From 03efed8a2a1b8e00164eb4720a82a7dd5e368a8e Mon Sep 17 00:00:00 2001
From: Tiger Yang <tiger.yang@oracle.com>
Date: Sat, 28 May 2011 00:34:19 +0800
Subject: [PATCH 0001/1594] ocfs2: Bugfix for hard readonly mount

ocfs2 cannot currently mount a device that is readonly at the media
("hard readonly").  Fix the broken places.
see detail: http://oss.oracle.com/bugzilla/show_bug.cgi?id=1322

[ Description edited -- Joel ]

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Reviewed-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/dlmglue.c | 21 +++++++++++++++------
 fs/ocfs2/super.c   |  3 ++-
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 7642d7ca73e5..da103f555a62 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -1692,7 +1692,7 @@ int ocfs2_open_lock(struct inode *inode)
 	mlog(0, "inode %llu take PRMODE open lock\n",
 	     (unsigned long long)OCFS2_I(inode)->ip_blkno);
 
-	if (ocfs2_mount_local(osb))
+	if (ocfs2_is_hard_readonly(osb) || ocfs2_mount_local(osb))
 		goto out;
 
 	lockres = &OCFS2_I(inode)->ip_open_lockres;
@@ -1718,6 +1718,12 @@ int ocfs2_try_open_lock(struct inode *inode, int write)
 	     (unsigned long long)OCFS2_I(inode)->ip_blkno,
 	     write ? "EXMODE" : "PRMODE");
 
+	if (ocfs2_is_hard_readonly(osb)) {
+		if (write)
+			status = -EROFS;
+		goto out;
+	}
+
 	if (ocfs2_mount_local(osb))
 		goto out;
 
@@ -2298,7 +2304,7 @@ int ocfs2_inode_lock_full_nested(struct inode *inode,
 	if (ocfs2_is_hard_readonly(osb)) {
 		if (ex)
 			status = -EROFS;
-		goto bail;
+		goto getbh;
 	}
 
 	if (ocfs2_mount_local(osb))
@@ -2356,7 +2362,7 @@ local:
 			mlog_errno(status);
 		goto bail;
 	}
-
+getbh:
 	if (ret_bh) {
 		status = ocfs2_assign_bh(inode, ret_bh, local_bh);
 		if (status < 0) {
@@ -2628,8 +2634,11 @@ int ocfs2_dentry_lock(struct dentry *dentry, int ex)
 
 	BUG_ON(!dl);
 
-	if (ocfs2_is_hard_readonly(osb))
-		return -EROFS;
+	if (ocfs2_is_hard_readonly(osb)) {
+		if (ex)
+			return -EROFS;
+		return 0;
+	}
 
 	if (ocfs2_mount_local(osb))
 		return 0;
@@ -2647,7 +2656,7 @@ void ocfs2_dentry_unlock(struct dentry *dentry, int ex)
 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;
 	struct ocfs2_super *osb = OCFS2_SB(dentry->d_sb);
 
-	if (!ocfs2_mount_local(osb))
+	if (!ocfs2_is_hard_readonly(osb) && !ocfs2_mount_local(osb))
 		ocfs2_cluster_unlock(osb, &dl->dl_lockres, level);
 }
 
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index cdbaf5e97308..029c4cd8a691 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1974,7 +1974,8 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
 	 * If we failed before we got a uuid_str yet, we can't stop
 	 * heartbeat.  Otherwise, do it.
 	 */
-	if (!mnt_err && !ocfs2_mount_local(osb) && osb->uuid_str)
+	if (!mnt_err && !ocfs2_mount_local(osb) && osb->uuid_str &&
+	    !ocfs2_is_hard_readonly(osb))
 		hangup_needed = 1;
 
 	if (osb->cconn)
-- 
GitLab


From 3d75be7c4771c7e4d5b5fa586a599af8473de32c Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sun, 29 May 2011 22:56:31 +0300
Subject: [PATCH 0002/1594] ocfs2: checking the wrong variable in
 ocfs2_move_extent()

"new_phys_cpos" is always a valid pointer here.
ocfs2_probe_alloc_group() allocates "*new_phys_cpos".

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/move_extents.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index cd9427023d2e..d3433d60dbb9 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -746,7 +746,7 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
 	 */
 	ocfs2_probe_alloc_group(inode, gd_bh, &goal_bit, len, move_max_hop,
 				new_phys_cpos);
-	if (!new_phys_cpos) {
+	if (!*new_phys_cpos) {
 		ret = -ENOSPC;
 		goto out_commit;
 	}
-- 
GitLab


From 87f0d5c8db7aad85b9120c26723fdc63cd84a460 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sun, 29 May 2011 22:57:16 +0300
Subject: [PATCH 0003/1594] ocfs2: null deref on allocation error

The original code had a null derefence in the error handling.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/ioctl.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index bc91072b7219..d9a6ce779266 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -381,7 +381,7 @@ int ocfs2_info_handle_freeinode(struct inode *inode,
 	if (!oifi) {
 		status = -ENOMEM;
 		mlog_errno(status);
-		goto bail;
+		goto out_err;
 	}
 
 	if (o2info_from_user(*oifi, req))
@@ -431,7 +431,7 @@ bail:
 		o2info_set_request_error(&oifi->ifi_req, req);
 
 	kfree(oifi);
-
+out_err:
 	return status;
 }
 
@@ -666,7 +666,7 @@ int ocfs2_info_handle_freefrag(struct inode *inode,
 	if (!oiff) {
 		status = -ENOMEM;
 		mlog_errno(status);
-		goto bail;
+		goto out_err;
 	}
 
 	if (o2info_from_user(*oiff, req))
@@ -716,7 +716,7 @@ bail:
 		o2info_set_request_error(&oiff->iff_req, req);
 
 	kfree(oiff);
-
+out_err:
 	return status;
 }
 
-- 
GitLab


From 730e663bd82c1a10a85ff00728d34152a5a67ec8 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Mon, 30 May 2011 21:58:05 +0900
Subject: [PATCH 0004/1594] ocfs2: use proper little-endian bitops

Using __test_and_{set,clear}_bit_le() with ignoring its return value
can be replaced with __{set,clear}_bit_le().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: ocfs2-devel@oss.oracle.com
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/ocfs2.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 409285854f64..bcde467acca3 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -836,13 +836,13 @@ static inline unsigned int ocfs2_clusters_to_megabytes(struct super_block *sb,
 
 static inline void _ocfs2_set_bit(unsigned int bit, unsigned long *bitmap)
 {
-	__test_and_set_bit_le(bit, bitmap);
+	__set_bit_le(bit, bitmap);
 }
 #define ocfs2_set_bit(bit, addr) _ocfs2_set_bit((bit), (unsigned long *)(addr))
 
 static inline void _ocfs2_clear_bit(unsigned int bit, unsigned long *bitmap)
 {
-	__test_and_clear_bit_le(bit, bitmap);
+	__clear_bit_le(bit, bitmap);
 }
 #define ocfs2_clear_bit(bit, addr) _ocfs2_clear_bit((bit), (unsigned long *)(addr))
 
-- 
GitLab


From d2eece376648d2f7ba0a7d78f3c4d0421e608ac2 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:21:54 -0700
Subject: [PATCH 0005/1594] ocfs2/cluster: Abort heartbeat start on hard-ro
 devices

Currently if the heartbeat device is hard-ro, the o2hb thread keeps chugging
along and dumping errors along the way. The user needs to manually stop the
heartbeat.

The patch addresses this shortcoming by adding a limit to the number of times
the hb thread will iterate in an unsteady state. If the hb thread does not
ready steady state in that many interation, the start is aborted.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/cluster/heartbeat.c | 185 ++++++++++++++++++++++-------------
 1 file changed, 116 insertions(+), 69 deletions(-)

diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 9a3e6bbff27b..4728a746281d 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -216,6 +216,7 @@ struct o2hb_region {
 
 	struct list_head	hr_all_item;
 	unsigned		hr_unclean_stop:1,
+				hr_aborted_start:1,
 				hr_item_pinned:1,
 				hr_item_dropped:1;
 
@@ -254,6 +255,10 @@ struct o2hb_region {
 	 * a more complete api that doesn't lead to this sort of fragility. */
 	atomic_t		hr_steady_iterations;
 
+	/* terminate o2hb thread if it does not reach steady state
+	 * (hr_steady_iterations == 0) within hr_unsteady_iterations */
+	atomic_t		hr_unsteady_iterations;
+
 	char			hr_dev_name[BDEVNAME_SIZE];
 
 	unsigned int		hr_timeout_ms;
@@ -324,6 +329,10 @@ static void o2hb_write_timeout(struct work_struct *work)
 
 static void o2hb_arm_write_timeout(struct o2hb_region *reg)
 {
+	/* Arm writeout only after thread reaches steady state */
+	if (atomic_read(&reg->hr_steady_iterations) != 0)
+		return;
+
 	mlog(ML_HEARTBEAT, "Queue write timeout for %u ms\n",
 	     O2HB_MAX_WRITE_TIMEOUT_MS);
 
@@ -537,9 +546,14 @@ static int o2hb_verify_crc(struct o2hb_region *reg,
 	return read == computed;
 }
 
-/* We want to make sure that nobody is heartbeating on top of us --
- * this will help detect an invalid configuration. */
-static void o2hb_check_last_timestamp(struct o2hb_region *reg)
+/*
+ * Compare the slot data with what we wrote in the last iteration.
+ * If the match fails, print an appropriate error message. This is to
+ * detect errors like... another node hearting on the same slot,
+ * flaky device that is losing writes, etc.
+ * Returns 1 if check succeeds, 0 otherwise.
+ */
+static int o2hb_check_own_slot(struct o2hb_region *reg)
 {
 	struct o2hb_disk_slot *slot;
 	struct o2hb_disk_heartbeat_block *hb_block;
@@ -548,13 +562,13 @@ static void o2hb_check_last_timestamp(struct o2hb_region *reg)
 	slot = &reg->hr_slots[o2nm_this_node()];
 	/* Don't check on our 1st timestamp */
 	if (!slot->ds_last_time)
-		return;
+		return 0;
 
 	hb_block = slot->ds_raw_block;
 	if (le64_to_cpu(hb_block->hb_seq) == slot->ds_last_time &&
 	    le64_to_cpu(hb_block->hb_generation) == slot->ds_last_generation &&
 	    hb_block->hb_node == slot->ds_node_num)
-		return;
+		return 1;
 
 #define ERRSTR1		"Another node is heartbeating on device"
 #define ERRSTR2		"Heartbeat generation mismatch on device"
@@ -574,6 +588,8 @@ static void o2hb_check_last_timestamp(struct o2hb_region *reg)
 	     (unsigned long long)slot->ds_last_time, hb_block->hb_node,
 	     (unsigned long long)le64_to_cpu(hb_block->hb_generation),
 	     (unsigned long long)le64_to_cpu(hb_block->hb_seq));
+
+	return 0;
 }
 
 static inline void o2hb_prepare_block(struct o2hb_region *reg,
@@ -719,17 +735,24 @@ static void o2hb_shutdown_slot(struct o2hb_disk_slot *slot)
 	o2nm_node_put(node);
 }
 
-static void o2hb_set_quorum_device(struct o2hb_region *reg,
-				   struct o2hb_disk_slot *slot)
+static void o2hb_set_quorum_device(struct o2hb_region *reg)
 {
-	assert_spin_locked(&o2hb_live_lock);
-
 	if (!o2hb_global_heartbeat_active())
 		return;
 
-	if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap))
+	/* Prevent race with o2hb_heartbeat_group_drop_item() */
+	if (kthread_should_stop())
+		return;
+
+	/* Tag region as quorum only after thread reaches steady state */
+	if (atomic_read(&reg->hr_steady_iterations) != 0)
 		return;
 
+	spin_lock(&o2hb_live_lock);
+
+	if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap))
+		goto unlock;
+
 	/*
 	 * A region can be added to the quorum only when it sees all
 	 * live nodes heartbeat on it. In other words, the region has been
@@ -737,13 +760,10 @@ static void o2hb_set_quorum_device(struct o2hb_region *reg,
 	 */
 	if (memcmp(reg->hr_live_node_bitmap, o2hb_live_node_bitmap,
 		   sizeof(o2hb_live_node_bitmap)))
-		return;
-
-	if (slot->ds_changed_samples < O2HB_LIVE_THRESHOLD)
-		return;
+		goto unlock;
 
-	printk(KERN_NOTICE "o2hb: Region %s is now a quorum device\n",
-	       config_item_name(&reg->hr_item));
+	printk(KERN_NOTICE "o2hb: Region %s (%s) is now a quorum device\n",
+	       config_item_name(&reg->hr_item), reg->hr_dev_name);
 
 	set_bit(reg->hr_region_num, o2hb_quorum_region_bitmap);
 
@@ -754,6 +774,8 @@ static void o2hb_set_quorum_device(struct o2hb_region *reg,
 	if (o2hb_pop_count(&o2hb_quorum_region_bitmap,
 			   O2NM_MAX_REGIONS) > O2HB_PIN_CUT_OFF)
 		o2hb_region_unpin(NULL);
+unlock:
+	spin_unlock(&o2hb_live_lock);
 }
 
 static int o2hb_check_slot(struct o2hb_region *reg,
@@ -925,8 +947,6 @@ fire_callbacks:
 		slot->ds_equal_samples = 0;
 	}
 out:
-	o2hb_set_quorum_device(reg, slot);
-
 	spin_unlock(&o2hb_live_lock);
 
 	o2hb_run_event_list(&event);
@@ -957,7 +977,8 @@ static int o2hb_highest_node(unsigned long *nodes,
 
 static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)
 {
-	int i, ret, highest_node, change = 0;
+	int i, ret, highest_node;
+	int membership_change = 0, own_slot_ok = 0;
 	unsigned long configured_nodes[BITS_TO_LONGS(O2NM_MAX_NODES)];
 	unsigned long live_node_bitmap[BITS_TO_LONGS(O2NM_MAX_NODES)];
 	struct o2hb_bio_wait_ctxt write_wc;
@@ -966,7 +987,7 @@ static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)
 				       sizeof(configured_nodes));
 	if (ret) {
 		mlog_errno(ret);
-		return ret;
+		goto bail;
 	}
 
 	/*
@@ -982,8 +1003,9 @@ static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)
 
 	highest_node = o2hb_highest_node(configured_nodes, O2NM_MAX_NODES);
 	if (highest_node >= O2NM_MAX_NODES) {
-		mlog(ML_NOTICE, "ocfs2_heartbeat: no configured nodes found!\n");
-		return -EINVAL;
+		mlog(ML_NOTICE, "o2hb: No configured nodes found!\n");
+		ret = -EINVAL;
+		goto bail;
 	}
 
 	/* No sense in reading the slots of nodes that don't exist
@@ -993,29 +1015,27 @@ static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)
 	ret = o2hb_read_slots(reg, highest_node + 1);
 	if (ret < 0) {
 		mlog_errno(ret);
-		return ret;
+		goto bail;
 	}
 
 	/* With an up to date view of the slots, we can check that no
 	 * other node has been improperly configured to heartbeat in
 	 * our slot. */
-	o2hb_check_last_timestamp(reg);
+	own_slot_ok = o2hb_check_own_slot(reg);
 
 	/* fill in the proper info for our next heartbeat */
 	o2hb_prepare_block(reg, reg->hr_generation);
 
-	/* And fire off the write. Note that we don't wait on this I/O
-	 * until later. */
 	ret = o2hb_issue_node_write(reg, &write_wc);
 	if (ret < 0) {
 		mlog_errno(ret);
-		return ret;
+		goto bail;
 	}
 
 	i = -1;
 	while((i = find_next_bit(configured_nodes,
 				 O2NM_MAX_NODES, i + 1)) < O2NM_MAX_NODES) {
-		change |= o2hb_check_slot(reg, &reg->hr_slots[i]);
+		membership_change |= o2hb_check_slot(reg, &reg->hr_slots[i]);
 	}
 
 	/*
@@ -1030,18 +1050,39 @@ static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)
 		 * disk */
 		mlog(ML_ERROR, "Write error %d on device \"%s\"\n",
 		     write_wc.wc_error, reg->hr_dev_name);
-		return write_wc.wc_error;
+		ret = write_wc.wc_error;
+		goto bail;
 	}
 
-	o2hb_arm_write_timeout(reg);
+	/* Skip disarming the timeout if own slot has stale/bad data */
+	if (own_slot_ok) {
+		o2hb_set_quorum_device(reg);
+		o2hb_arm_write_timeout(reg);
+	}
 
+bail:
 	/* let the person who launched us know when things are steady */
-	if (!change && (atomic_read(&reg->hr_steady_iterations) != 0)) {
-		if (atomic_dec_and_test(&reg->hr_steady_iterations))
+	if (atomic_read(&reg->hr_steady_iterations) != 0) {
+		if (!ret && own_slot_ok && !membership_change) {
+			if (atomic_dec_and_test(&reg->hr_steady_iterations))
+				wake_up(&o2hb_steady_queue);
+		}
+	}
+
+	if (atomic_read(&reg->hr_steady_iterations) != 0) {
+		if (atomic_dec_and_test(&reg->hr_unsteady_iterations)) {
+			printk(KERN_NOTICE "o2hb: Unable to stabilize "
+			       "heartbeart on region %s (%s)\n",
+			       config_item_name(&reg->hr_item),
+			       reg->hr_dev_name);
+			atomic_set(&reg->hr_steady_iterations, 0);
+			reg->hr_aborted_start = 1;
 			wake_up(&o2hb_steady_queue);
+			ret = -EIO;
+		}
 	}
 
-	return 0;
+	return ret;
 }
 
 /* Subtract b from a, storing the result in a. a *must* have a larger
@@ -1095,7 +1136,8 @@ static int o2hb_thread(void *data)
 	/* Pin node */
 	o2nm_depend_this_node();
 
-	while (!kthread_should_stop() && !reg->hr_unclean_stop) {
+	while (!kthread_should_stop() &&
+	       !reg->hr_unclean_stop && !reg->hr_aborted_start) {
 		/* We track the time spent inside
 		 * o2hb_do_disk_heartbeat so that we avoid more than
 		 * hr_timeout_ms between disk writes. On busy systems
@@ -1103,10 +1145,7 @@ static int o2hb_thread(void *data)
 		 * likely to time itself out. */
 		do_gettimeofday(&before_hb);
 
-		i = 0;
-		do {
-			ret = o2hb_do_disk_heartbeat(reg);
-		} while (ret && ++i < 2);
+		ret = o2hb_do_disk_heartbeat(reg);
 
 		do_gettimeofday(&after_hb);
 		elapsed_msec = o2hb_elapsed_msecs(&before_hb, &after_hb);
@@ -1117,7 +1156,8 @@ static int o2hb_thread(void *data)
 		     after_hb.tv_sec, (unsigned long) after_hb.tv_usec,
 		     elapsed_msec);
 
-		if (elapsed_msec < reg->hr_timeout_ms) {
+		if (!kthread_should_stop() &&
+		    elapsed_msec < reg->hr_timeout_ms) {
 			/* the kthread api has blocked signals for us so no
 			 * need to record the return value. */
 			msleep_interruptible(reg->hr_timeout_ms - elapsed_msec);
@@ -1134,20 +1174,20 @@ static int o2hb_thread(void *data)
 	 * to timeout on this region when we could just as easily
 	 * write a clear generation - thus indicating to them that
 	 * this node has left this region.
-	 *
-	 * XXX: Should we skip this on unclean_stop? */
-	o2hb_prepare_block(reg, 0);
-	ret = o2hb_issue_node_write(reg, &write_wc);
-	if (ret == 0) {
-		o2hb_wait_on_io(reg, &write_wc);
-	} else {
-		mlog_errno(ret);
+	 */
+	if (!reg->hr_unclean_stop && !reg->hr_aborted_start) {
+		o2hb_prepare_block(reg, 0);
+		ret = o2hb_issue_node_write(reg, &write_wc);
+		if (ret == 0)
+			o2hb_wait_on_io(reg, &write_wc);
+		else
+			mlog_errno(ret);
 	}
 
 	/* Unpin node */
 	o2nm_undepend_this_node();
 
-	mlog(ML_HEARTBEAT|ML_KTHREAD, "hb thread exiting\n");
+	mlog(ML_HEARTBEAT|ML_KTHREAD, "o2hb thread exiting\n");
 
 	return 0;
 }
@@ -1426,6 +1466,8 @@ static void o2hb_region_release(struct config_item *item)
 	struct page *page;
 	struct o2hb_region *reg = to_o2hb_region(item);
 
+	mlog(ML_HEARTBEAT, "hb region release (%s)\n", reg->hr_dev_name);
+
 	if (reg->hr_tmp_block)
 		kfree(reg->hr_tmp_block);
 
@@ -1792,7 +1834,10 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
 			live_threshold <<= 1;
 		spin_unlock(&o2hb_live_lock);
 	}
-	atomic_set(&reg->hr_steady_iterations, live_threshold + 1);
+	++live_threshold;
+	atomic_set(&reg->hr_steady_iterations, live_threshold);
+	/* unsteady_iterations is double the steady_iterations */
+	atomic_set(&reg->hr_unsteady_iterations, (live_threshold << 1));
 
 	hb_task = kthread_run(o2hb_thread, reg, "o2hb-%s",
 			      reg->hr_item.ci_name);
@@ -1809,14 +1854,12 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
 	ret = wait_event_interruptible(o2hb_steady_queue,
 				atomic_read(&reg->hr_steady_iterations) == 0);
 	if (ret) {
-		/* We got interrupted (hello ptrace!).  Clean up */
-		spin_lock(&o2hb_live_lock);
-		hb_task = reg->hr_task;
-		reg->hr_task = NULL;
-		spin_unlock(&o2hb_live_lock);
+		atomic_set(&reg->hr_steady_iterations, 0);
+		reg->hr_aborted_start = 1;
+	}
 
-		if (hb_task)
-			kthread_stop(hb_task);
+	if (reg->hr_aborted_start) {
+		ret = -EIO;
 		goto out;
 	}
 
@@ -1833,8 +1876,8 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
 		ret = -EIO;
 
 	if (hb_task && o2hb_global_heartbeat_active())
-		printk(KERN_NOTICE "o2hb: Heartbeat started on region %s\n",
-		       config_item_name(&reg->hr_item));
+		printk(KERN_NOTICE "o2hb: Heartbeat started on region %s (%s)\n",
+		       config_item_name(&reg->hr_item), reg->hr_dev_name);
 
 out:
 	if (filp)
@@ -2092,13 +2135,6 @@ static void o2hb_heartbeat_group_drop_item(struct config_group *group,
 
 	/* stop the thread when the user removes the region dir */
 	spin_lock(&o2hb_live_lock);
-	if (o2hb_global_heartbeat_active()) {
-		clear_bit(reg->hr_region_num, o2hb_region_bitmap);
-		clear_bit(reg->hr_region_num, o2hb_live_region_bitmap);
-		if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap))
-			quorum_region = 1;
-		clear_bit(reg->hr_region_num, o2hb_quorum_region_bitmap);
-	}
 	hb_task = reg->hr_task;
 	reg->hr_task = NULL;
 	reg->hr_item_dropped = 1;
@@ -2107,19 +2143,30 @@ static void o2hb_heartbeat_group_drop_item(struct config_group *group,
 	if (hb_task)
 		kthread_stop(hb_task);
 
+	if (o2hb_global_heartbeat_active()) {
+		spin_lock(&o2hb_live_lock);
+		clear_bit(reg->hr_region_num, o2hb_region_bitmap);
+		clear_bit(reg->hr_region_num, o2hb_live_region_bitmap);
+		if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap))
+			quorum_region = 1;
+		clear_bit(reg->hr_region_num, o2hb_quorum_region_bitmap);
+		spin_unlock(&o2hb_live_lock);
+		printk(KERN_NOTICE "o2hb: Heartbeat %s on region %s (%s)\n",
+		       ((atomic_read(&reg->hr_steady_iterations) == 0) ?
+			"stopped" : "start aborted"), config_item_name(item),
+		       reg->hr_dev_name);
+	}
+
 	/*
 	 * If we're racing a dev_write(), we need to wake them.  They will
 	 * check reg->hr_task
 	 */
 	if (atomic_read(&reg->hr_steady_iterations) != 0) {
+		reg->hr_aborted_start = 1;
 		atomic_set(&reg->hr_steady_iterations, 0);
 		wake_up(&o2hb_steady_queue);
 	}
 
-	if (o2hb_global_heartbeat_active())
-		printk(KERN_NOTICE "o2hb: Heartbeat stopped on region %s\n",
-		       config_item_name(&reg->hr_item));
-
 	config_item_put(item);
 
 	if (!o2hb_global_heartbeat_active() || !quorum_region)
-- 
GitLab


From 1dfecf810e0eacb35987905082f23e5c2cd26e91 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:22:54 -0700
Subject: [PATCH 0006/1594] ocfs2/cluster: Clean up messages in o2net

o2net messages needed a facelift.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/cluster/tcp.c | 119 ++++++++++++++++++-----------------------
 1 file changed, 53 insertions(+), 66 deletions(-)

diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index db5ee4b4f47a..6e97895ecf24 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -545,7 +545,7 @@ static void o2net_set_nn_state(struct o2net_node *nn,
 	}
 
 	if (was_valid && !valid) {
-		printk(KERN_NOTICE "o2net: no longer connected to "
+		printk(KERN_NOTICE "o2net: No longer connected to "
 		       SC_NODEF_FMT "\n", SC_NODEF_ARGS(old_sc));
 		o2net_complete_nodes_nsw(nn);
 	}
@@ -555,7 +555,7 @@ static void o2net_set_nn_state(struct o2net_node *nn,
 		cancel_delayed_work(&nn->nn_connect_expired);
 		printk(KERN_NOTICE "o2net: %s " SC_NODEF_FMT "\n",
 		       o2nm_this_node() > sc->sc_node->nd_num ?
-		       		"connected to" : "accepted connection from",
+		       "Connected to" : "Accepted connection from",
 		       SC_NODEF_ARGS(sc));
 	}
 
@@ -643,7 +643,7 @@ static void o2net_state_change(struct sock *sk)
 			o2net_sc_queue_work(sc, &sc->sc_connect_work);
 			break;
 		default:
-			printk(KERN_INFO "o2net: connection to " SC_NODEF_FMT
+			printk(KERN_INFO "o2net: Connection to " SC_NODEF_FMT
 			      " shutdown, state %d\n",
 			      SC_NODEF_ARGS(sc), sk->sk_state);
 			o2net_sc_queue_work(sc, &sc->sc_shutdown_work);
@@ -1284,11 +1284,11 @@ static int o2net_check_handshake(struct o2net_sock_container *sc)
 	struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num);
 
 	if (hand->protocol_version != cpu_to_be64(O2NET_PROTOCOL_VERSION)) {
-		mlog(ML_NOTICE, SC_NODEF_FMT " advertised net protocol "
-		     "version %llu but %llu is required, disconnecting\n",
-		     SC_NODEF_ARGS(sc),
-		     (unsigned long long)be64_to_cpu(hand->protocol_version),
-		     O2NET_PROTOCOL_VERSION);
+		printk(KERN_NOTICE "o2net: " SC_NODEF_FMT " Advertised net "
+		       "protocol version %llu but %llu is required. "
+		       "Disconnecting.\n", SC_NODEF_ARGS(sc),
+		       (unsigned long long)be64_to_cpu(hand->protocol_version),
+		       O2NET_PROTOCOL_VERSION);
 
 		/* don't bother reconnecting if its the wrong version. */
 		o2net_ensure_shutdown(nn, sc, -ENOTCONN);
@@ -1302,33 +1302,33 @@ static int o2net_check_handshake(struct o2net_sock_container *sc)
 	 */
 	if (be32_to_cpu(hand->o2net_idle_timeout_ms) !=
 				o2net_idle_timeout()) {
-		mlog(ML_NOTICE, SC_NODEF_FMT " uses a network idle timeout of "
-		     "%u ms, but we use %u ms locally.  disconnecting\n",
-		     SC_NODEF_ARGS(sc),
-		     be32_to_cpu(hand->o2net_idle_timeout_ms),
-		     o2net_idle_timeout());
+		printk(KERN_NOTICE "o2net: " SC_NODEF_FMT " uses a network "
+		       "idle timeout of %u ms, but we use %u ms locally. "
+		       "Disconnecting.\n", SC_NODEF_ARGS(sc),
+		       be32_to_cpu(hand->o2net_idle_timeout_ms),
+		       o2net_idle_timeout());
 		o2net_ensure_shutdown(nn, sc, -ENOTCONN);
 		return -1;
 	}
 
 	if (be32_to_cpu(hand->o2net_keepalive_delay_ms) !=
 			o2net_keepalive_delay()) {
-		mlog(ML_NOTICE, SC_NODEF_FMT " uses a keepalive delay of "
-		     "%u ms, but we use %u ms locally.  disconnecting\n",
-		     SC_NODEF_ARGS(sc),
-		     be32_to_cpu(hand->o2net_keepalive_delay_ms),
-		     o2net_keepalive_delay());
+		printk(KERN_NOTICE "o2net: " SC_NODEF_FMT " uses a keepalive "
+		       "delay of %u ms, but we use %u ms locally. "
+		       "Disconnecting.\n", SC_NODEF_ARGS(sc),
+		       be32_to_cpu(hand->o2net_keepalive_delay_ms),
+		       o2net_keepalive_delay());
 		o2net_ensure_shutdown(nn, sc, -ENOTCONN);
 		return -1;
 	}
 
 	if (be32_to_cpu(hand->o2hb_heartbeat_timeout_ms) !=
 			O2HB_MAX_WRITE_TIMEOUT_MS) {
-		mlog(ML_NOTICE, SC_NODEF_FMT " uses a heartbeat timeout of "
-		     "%u ms, but we use %u ms locally.  disconnecting\n",
-		     SC_NODEF_ARGS(sc),
-		     be32_to_cpu(hand->o2hb_heartbeat_timeout_ms),
-		     O2HB_MAX_WRITE_TIMEOUT_MS);
+		printk(KERN_NOTICE "o2net: " SC_NODEF_FMT " uses a heartbeat "
+		       "timeout of %u ms, but we use %u ms locally. "
+		       "Disconnecting.\n", SC_NODEF_ARGS(sc),
+		       be32_to_cpu(hand->o2hb_heartbeat_timeout_ms),
+		       O2HB_MAX_WRITE_TIMEOUT_MS);
 		o2net_ensure_shutdown(nn, sc, -ENOTCONN);
 		return -1;
 	}
@@ -1539,28 +1539,16 @@ static void o2net_idle_timer(unsigned long data)
 {
 	struct o2net_sock_container *sc = (struct o2net_sock_container *)data;
 	struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num);
-
 #ifdef CONFIG_DEBUG_FS
-	ktime_t now = ktime_get();
+	unsigned long msecs = ktime_to_ms(ktime_get()) -
+		ktime_to_ms(sc->sc_tv_timer);
+#else
+	unsigned long msecs = o2net_idle_timeout();
 #endif
 
-	printk(KERN_NOTICE "o2net: connection to " SC_NODEF_FMT " has been idle for %u.%u "
-	     "seconds, shutting it down.\n", SC_NODEF_ARGS(sc),
-		     o2net_idle_timeout() / 1000,
-		     o2net_idle_timeout() % 1000);
-
-#ifdef CONFIG_DEBUG_FS
-	mlog(ML_NOTICE, "Here are some times that might help debug the "
-	     "situation: (Timer: %lld, Now %lld, DataReady %lld, Advance %lld-%lld, "
-	     "Key 0x%08x, Func %u, FuncTime %lld-%lld)\n",
-	     (long long)ktime_to_us(sc->sc_tv_timer), (long long)ktime_to_us(now),
-	     (long long)ktime_to_us(sc->sc_tv_data_ready),
-	     (long long)ktime_to_us(sc->sc_tv_advance_start),
-	     (long long)ktime_to_us(sc->sc_tv_advance_stop),
-	     sc->sc_msg_key, sc->sc_msg_type,
-	     (long long)ktime_to_us(sc->sc_tv_func_start),
-	     (long long)ktime_to_us(sc->sc_tv_func_stop));
-#endif
+	printk(KERN_NOTICE "o2net: Connection to " SC_NODEF_FMT " has been "
+	       "idle for %lu.%lu secs, shutting it down.\n", SC_NODEF_ARGS(sc),
+	       msecs / 1000, msecs % 1000);
 
 	/*
 	 * Initialize the nn_timeout so that the next connection attempt
@@ -1693,8 +1681,8 @@ static void o2net_start_connect(struct work_struct *work)
 
 out:
 	if (ret) {
-		mlog(ML_NOTICE, "connect attempt to " SC_NODEF_FMT " failed "
-		     "with errno %d\n", SC_NODEF_ARGS(sc), ret);
+		printk(KERN_NOTICE "o2net: Connect attempt to " SC_NODEF_FMT
+		       " failed with errno %d\n", SC_NODEF_ARGS(sc), ret);
 		/* 0 err so that another will be queued and attempted
 		 * from set_nn_state */
 		if (sc)
@@ -1717,8 +1705,8 @@ static void o2net_connect_expired(struct work_struct *work)
 
 	spin_lock(&nn->nn_lock);
 	if (!nn->nn_sc_valid) {
-		mlog(ML_ERROR, "no connection established with node %u after "
-		     "%u.%u seconds, giving up and returning errors.\n",
+		printk(KERN_NOTICE "o2net: No connection established with "
+		       "node %u after %u.%u seconds, giving up.\n",
 		     o2net_num_from_nn(nn),
 		     o2net_idle_timeout() / 1000,
 		     o2net_idle_timeout() % 1000);
@@ -1861,21 +1849,21 @@ static int o2net_accept_one(struct socket *sock)
 
 	node = o2nm_get_node_by_ip(sin.sin_addr.s_addr);
 	if (node == NULL) {
-		mlog(ML_NOTICE, "attempt to connect from unknown node at %pI4:%d\n",
-		     &sin.sin_addr.s_addr, ntohs(sin.sin_port));
+		printk(KERN_NOTICE "o2net: Attempt to connect from unknown "
+		       "node at %pI4:%d\n", &sin.sin_addr.s_addr,
+		       ntohs(sin.sin_port));
 		ret = -EINVAL;
 		goto out;
 	}
 
 	if (o2nm_this_node() >= node->nd_num) {
 		local_node = o2nm_get_node_by_num(o2nm_this_node());
-		mlog(ML_NOTICE, "unexpected connect attempt seen at node '%s' ("
-		     "%u, %pI4:%d) from node '%s' (%u, %pI4:%d)\n",
-		     local_node->nd_name, local_node->nd_num,
-		     &(local_node->nd_ipv4_address),
-		     ntohs(local_node->nd_ipv4_port),
-		     node->nd_name, node->nd_num, &sin.sin_addr.s_addr,
-		     ntohs(sin.sin_port));
+		printk(KERN_NOTICE "o2net: Unexpected connect attempt seen "
+		       "at node '%s' (%u, %pI4:%d) from node '%s' (%u, "
+		       "%pI4:%d)\n", local_node->nd_name, local_node->nd_num,
+		       &(local_node->nd_ipv4_address),
+		       ntohs(local_node->nd_ipv4_port), node->nd_name,
+		       node->nd_num, &sin.sin_addr.s_addr, ntohs(sin.sin_port));
 		ret = -EINVAL;
 		goto out;
 	}
@@ -1900,10 +1888,10 @@ static int o2net_accept_one(struct socket *sock)
 		ret = 0;
 	spin_unlock(&nn->nn_lock);
 	if (ret) {
-		mlog(ML_NOTICE, "attempt to connect from node '%s' at "
-		     "%pI4:%d but it already has an open connection\n",
-		     node->nd_name, &sin.sin_addr.s_addr,
-		     ntohs(sin.sin_port));
+		printk(KERN_NOTICE "o2net: Attempt to connect from node '%s' "
+		       "at %pI4:%d but it already has an open connection\n",
+		       node->nd_name, &sin.sin_addr.s_addr,
+		       ntohs(sin.sin_port));
 		goto out;
 	}
 
@@ -1983,7 +1971,7 @@ static int o2net_open_listening_sock(__be32 addr, __be16 port)
 
 	ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock);
 	if (ret < 0) {
-		mlog(ML_ERROR, "unable to create socket, ret=%d\n", ret);
+		printk(KERN_ERR "o2net: Error %d while creating socket\n", ret);
 		goto out;
 	}
 
@@ -2000,16 +1988,15 @@ static int o2net_open_listening_sock(__be32 addr, __be16 port)
 	sock->sk->sk_reuse = 1;
 	ret = sock->ops->bind(sock, (struct sockaddr *)&sin, sizeof(sin));
 	if (ret < 0) {
-		mlog(ML_ERROR, "unable to bind socket at %pI4:%u, "
-		     "ret=%d\n", &addr, ntohs(port), ret);
+		printk(KERN_ERR "o2net: Error %d while binding socket at "
+		       "%pI4:%u\n", ret, &addr, ntohs(port)); 
 		goto out;
 	}
 
 	ret = sock->ops->listen(sock, 64);
-	if (ret < 0) {
-		mlog(ML_ERROR, "unable to listen on %pI4:%u, ret=%d\n",
-		     &addr, ntohs(port), ret);
-	}
+	if (ret < 0)
+		printk(KERN_ERR "o2net: Error %d while listening on %pI4:%u\n",
+		       ret, &addr, ntohs(port));
 
 out:
 	if (ret) {
-- 
GitLab


From 8decab3c8dadcdf4f54ffb30df6e6f67b398b6e0 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:23:54 -0700
Subject: [PATCH 0007/1594] ocfs2/dlm: Clean up messages in o2dlm

o2dlm messages needed a facelift.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/dlm/dlmdomain.c   | 18 +++++++------
 fs/ocfs2/dlm/dlmlock.c     | 22 +++++++---------
 fs/ocfs2/dlm/dlmmaster.c   | 46 +++++++++++++++------------------
 fs/ocfs2/dlm/dlmrecovery.c | 53 ++++++++++++++++++++++----------------
 fs/ocfs2/dlm/dlmthread.c   |  2 --
 5 files changed, 71 insertions(+), 70 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 6ed6b95dcf93..ce225fb0cea7 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -539,17 +539,17 @@ again:
 
 static void __dlm_print_nodes(struct dlm_ctxt *dlm)
 {
-	int node = -1;
+	int node = -1, num = 0;
 
 	assert_spin_locked(&dlm->spinlock);
 
-	printk(KERN_NOTICE "o2dlm: Nodes in domain %s: ", dlm->name);
-
+	printk("( ");
 	while ((node = find_next_bit(dlm->domain_map, O2NM_MAX_NODES,
 				     node + 1)) < O2NM_MAX_NODES) {
 		printk("%d ", node);
+		++num;
 	}
-	printk("\n");
+	printk(") %u nodes\n", num);
 }
 
 static int dlm_exit_domain_handler(struct o2net_msg *msg, u32 len, void *data,
@@ -566,11 +566,10 @@ static int dlm_exit_domain_handler(struct o2net_msg *msg, u32 len, void *data,
 
 	node = exit_msg->node_idx;
 
-	printk(KERN_NOTICE "o2dlm: Node %u leaves domain %s\n", node, dlm->name);
-
 	spin_lock(&dlm->spinlock);
 	clear_bit(node, dlm->domain_map);
 	clear_bit(node, dlm->exit_domain_map);
+	printk(KERN_NOTICE "o2dlm: Node %u leaves domain %s ", node, dlm->name);
 	__dlm_print_nodes(dlm);
 
 	/* notify anything attached to the heartbeat events */
@@ -755,6 +754,7 @@ void dlm_unregister_domain(struct dlm_ctxt *dlm)
 
 		dlm_mark_domain_leaving(dlm);
 		dlm_leave_domain(dlm);
+		printk(KERN_NOTICE "o2dlm: Leaving domain %s\n", dlm->name);
 		dlm_force_free_mles(dlm);
 		dlm_complete_dlm_shutdown(dlm);
 	}
@@ -970,7 +970,7 @@ static int dlm_assert_joined_handler(struct o2net_msg *msg, u32 len, void *data,
 		clear_bit(assert->node_idx, dlm->exit_domain_map);
 		__dlm_set_joining_node(dlm, DLM_LOCK_RES_OWNER_UNKNOWN);
 
-		printk(KERN_NOTICE "o2dlm: Node %u joins domain %s\n",
+		printk(KERN_NOTICE "o2dlm: Node %u joins domain %s ",
 		       assert->node_idx, dlm->name);
 		__dlm_print_nodes(dlm);
 
@@ -1701,8 +1701,10 @@ static int dlm_try_to_join_domain(struct dlm_ctxt *dlm)
 bail:
 	spin_lock(&dlm->spinlock);
 	__dlm_set_joining_node(dlm, DLM_LOCK_RES_OWNER_UNKNOWN);
-	if (!status)
+	if (!status) {
+		printk(KERN_NOTICE "o2dlm: Joining domain %s ", dlm->name);
 		__dlm_print_nodes(dlm);
+	}
 	spin_unlock(&dlm->spinlock);
 
 	if (ctxt) {
diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index 8d39e0fd66f7..c7f3e22bda1e 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -319,27 +319,23 @@ static enum dlm_status dlm_send_remote_lock_request(struct dlm_ctxt *dlm,
 	tmpret = o2net_send_message(DLM_CREATE_LOCK_MSG, dlm->key, &create,
 				    sizeof(create), res->owner, &status);
 	if (tmpret >= 0) {
-		// successfully sent and received
-		ret = status;  // this is already a dlm_status
+		ret = status;
 		if (ret == DLM_REJECTED) {
-			mlog(ML_ERROR, "%s:%.*s: BUG.  this is a stale lockres "
-			     "no longer owned by %u.  that node is coming back "
-			     "up currently.\n", dlm->name, create.namelen,
+			mlog(ML_ERROR, "%s: res %.*s, Stale lockres no longer "
+			     "owned by node %u. That node is coming back up "
+			     "currently.\n", dlm->name, create.namelen,
 			     create.name, res->owner);
 			dlm_print_one_lock_resource(res);
 			BUG();
 		}
 	} else {
-		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
-		     "node %u\n", tmpret, DLM_CREATE_LOCK_MSG, dlm->key,
-		     res->owner);
-		if (dlm_is_host_down(tmpret)) {
+		mlog(ML_ERROR, "%s: res %.*s, Error %d send CREATE LOCK to "
+		     "node %u\n", dlm->name, create.namelen, create.name,
+		     tmpret, res->owner);
+		if (dlm_is_host_down(tmpret))
 			ret = DLM_RECOVERING;
-			mlog(0, "node %u died so returning DLM_RECOVERING "
-			     "from lock message!\n", res->owner);
-		} else {
+		else
 			ret = dlm_err_to_dlm_status(tmpret);
-		}
 	}
 
 	return ret;
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 11eefb8c12e9..9f3b093b629a 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -829,8 +829,8 @@ lookup:
 		 * but they might own this lockres.  wait on them. */
 		bit = find_next_bit(dlm->recovery_map, O2NM_MAX_NODES, 0);
 		if (bit < O2NM_MAX_NODES) {
-			mlog(ML_NOTICE, "%s:%.*s: at least one node (%d) to "
-			     "recover before lock mastery can begin\n",
+			mlog(0, "%s: res %.*s, At least one node (%d) "
+			     "to recover before lock mastery can begin\n",
 			     dlm->name, namelen, (char *)lockid, bit);
 			wait_on_recovery = 1;
 		}
@@ -864,8 +864,8 @@ redo_request:
 		 * dlm spinlock would be detectable be a change on the mle,
 		 * so we only need to clear out the recovery map once. */
 		if (dlm_is_recovery_lock(lockid, namelen)) {
-			mlog(ML_NOTICE, "%s: recovery map is not empty, but "
-			     "must master $RECOVERY lock now\n", dlm->name);
+			mlog(0, "%s: Recovery map is not empty, but must "
+			     "master $RECOVERY lock now\n", dlm->name);
 			if (!dlm_pre_master_reco_lockres(dlm, res))
 				wait_on_recovery = 0;
 			else {
@@ -883,8 +883,8 @@ redo_request:
 		spin_lock(&dlm->spinlock);
 		bit = find_next_bit(dlm->recovery_map, O2NM_MAX_NODES, 0);
 		if (bit < O2NM_MAX_NODES) {
-			mlog(ML_NOTICE, "%s:%.*s: at least one node (%d) to "
-			     "recover before lock mastery can begin\n",
+			mlog(0, "%s: res %.*s, At least one node (%d) "
+			     "to recover before lock mastery can begin\n",
 			     dlm->name, namelen, (char *)lockid, bit);
 			wait_on_recovery = 1;
 		} else
@@ -913,8 +913,8 @@ redo_request:
 			 * yet, keep going until it does.  this is how the
 			 * master will know that asserts are needed back to
 			 * the lower nodes. */
-			mlog(0, "%s:%.*s: requests only up to %u but master "
-			     "is %u, keep going\n", dlm->name, namelen,
+			mlog(0, "%s: res %.*s, Requests only up to %u but "
+			     "master is %u, keep going\n", dlm->name, namelen,
 			     lockid, nodenum, mle->master);
 		}
 	}
@@ -924,13 +924,12 @@ wait:
 	ret = dlm_wait_for_lock_mastery(dlm, res, mle, &blocked);
 	if (ret < 0) {
 		wait_on_recovery = 1;
-		mlog(0, "%s:%.*s: node map changed, redo the "
-		     "master request now, blocked=%d\n",
-		     dlm->name, res->lockname.len,
+		mlog(0, "%s: res %.*s, Node map changed, redo the master "
+		     "request now, blocked=%d\n", dlm->name, res->lockname.len,
 		     res->lockname.name, blocked);
 		if (++tries > 20) {
-			mlog(ML_ERROR, "%s:%.*s: spinning on "
-			     "dlm_wait_for_lock_mastery, blocked=%d\n",
+			mlog(ML_ERROR, "%s: res %.*s, Spinning on "
+			     "dlm_wait_for_lock_mastery, blocked = %d\n",
 			     dlm->name, res->lockname.len,
 			     res->lockname.name, blocked);
 			dlm_print_one_lock_resource(res);
@@ -940,7 +939,8 @@ wait:
 		goto redo_request;
 	}
 
-	mlog(0, "lockres mastered by %u\n", res->owner);
+	mlog(0, "%s: res %.*s, Mastered by %u\n", dlm->name, res->lockname.len,
+	     res->lockname.name, res->owner);
 	/* make sure we never continue without this */
 	BUG_ON(res->owner == O2NM_MAX_NODES);
 
@@ -2187,8 +2187,6 @@ int dlm_drop_lockres_ref(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
 	namelen = res->lockname.len;
 	BUG_ON(namelen > O2NM_MAX_NAME_LEN);
 
-	mlog(0, "%s:%.*s: sending deref to %d\n",
-	     dlm->name, namelen, lockname, res->owner);
 	memset(&deref, 0, sizeof(deref));
 	deref.node_idx = dlm->node_num;
 	deref.namelen = namelen;
@@ -2197,14 +2195,12 @@ int dlm_drop_lockres_ref(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
 	ret = o2net_send_message(DLM_DEREF_LOCKRES_MSG, dlm->key,
 				 &deref, sizeof(deref), res->owner, &r);
 	if (ret < 0)
-		mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to "
-		     "node %u\n", ret, DLM_DEREF_LOCKRES_MSG, dlm->key,
-		     res->owner);
+		mlog(ML_ERROR, "%s: res %.*s, error %d send DEREF to node %u\n",
+		     dlm->name, namelen, lockname, ret, res->owner);
 	else if (r < 0) {
 		/* BAD.  other node says I did not have a ref. */
-		mlog(ML_ERROR,"while dropping ref on %s:%.*s "
-		    "(master=%u) got %d.\n", dlm->name, namelen,
-		    lockname, res->owner, r);
+		mlog(ML_ERROR, "%s: res %.*s, DEREF to node %u got %d\n",
+		     dlm->name, namelen, lockname, res->owner, r);
 		dlm_print_one_lock_resource(res);
 		BUG();
 	}
@@ -2916,9 +2912,9 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm,
 					 &migrate, sizeof(migrate), nodenum,
 					 &status);
 		if (ret < 0) {
-			mlog(ML_ERROR, "Error %d when sending message %u (key "
-			     "0x%x) to node %u\n", ret, DLM_MIGRATE_REQUEST_MSG,
-			     dlm->key, nodenum);
+			mlog(ML_ERROR, "%s: res %.*s, Error %d send "
+			     "MIGRATE_REQUEST to node %u\n", dlm->name,
+			     migrate.namelen, migrate.name, ret, nodenum);
 			if (!dlm_is_host_down(ret)) {
 				mlog(ML_ERROR, "unhandled error=%d!\n", ret);
 				BUG();
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 7efab6d28a21..a3c312c43b90 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -430,6 +430,8 @@ static void dlm_begin_recovery(struct dlm_ctxt *dlm)
 {
 	spin_lock(&dlm->spinlock);
 	BUG_ON(dlm->reco.state & DLM_RECO_STATE_ACTIVE);
+	printk(KERN_NOTICE "o2dlm: Begin recovery on domain %s for node %u\n",
+	       dlm->name, dlm->reco.dead_node);
 	dlm->reco.state |= DLM_RECO_STATE_ACTIVE;
 	spin_unlock(&dlm->spinlock);
 }
@@ -440,9 +442,18 @@ static void dlm_end_recovery(struct dlm_ctxt *dlm)
 	BUG_ON(!(dlm->reco.state & DLM_RECO_STATE_ACTIVE));
 	dlm->reco.state &= ~DLM_RECO_STATE_ACTIVE;
 	spin_unlock(&dlm->spinlock);
+	printk(KERN_NOTICE "o2dlm: End recovery on domain %s\n", dlm->name);
 	wake_up(&dlm->reco.event);
 }
 
+static void dlm_print_recovery_master(struct dlm_ctxt *dlm)
+{
+	printk(KERN_NOTICE "o2dlm: Node %u (%s) is the Recovery Master for the "
+	       "dead node %u in domain %s\n", dlm->reco.new_master,
+	       (dlm->node_num == dlm->reco.new_master ? "me" : "he"),
+	       dlm->reco.dead_node, dlm->name);
+}
+
 static int dlm_do_recovery(struct dlm_ctxt *dlm)
 {
 	int status = 0;
@@ -505,9 +516,8 @@ static int dlm_do_recovery(struct dlm_ctxt *dlm)
 		}
 		mlog(0, "another node will master this recovery session.\n");
 	}
-	mlog(0, "dlm=%s (%d), new_master=%u, this node=%u, dead_node=%u\n",
-	     dlm->name, task_pid_nr(dlm->dlm_reco_thread_task), dlm->reco.new_master,
-	     dlm->node_num, dlm->reco.dead_node);
+
+	dlm_print_recovery_master(dlm);
 
 	/* it is safe to start everything back up here
 	 * because all of the dead node's lock resources
@@ -518,15 +528,13 @@ static int dlm_do_recovery(struct dlm_ctxt *dlm)
 	return 0;
 
 master_here:
-	mlog(ML_NOTICE, "(%d) Node %u is the Recovery Master for the Dead Node "
-	     "%u for Domain %s\n", task_pid_nr(dlm->dlm_reco_thread_task),
-	     dlm->node_num, dlm->reco.dead_node, dlm->name);
+	dlm_print_recovery_master(dlm);
 
 	status = dlm_remaster_locks(dlm, dlm->reco.dead_node);
 	if (status < 0) {
 		/* we should never hit this anymore */
-		mlog(ML_ERROR, "error %d remastering locks for node %u, "
-		     "retrying.\n", status, dlm->reco.dead_node);
+		mlog(ML_ERROR, "%s: Error %d remastering locks for node %u, "
+		     "retrying.\n", dlm->name, status, dlm->reco.dead_node);
 		/* yield a bit to allow any final network messages
 		 * to get handled on remaining nodes */
 		msleep(100);
@@ -567,7 +575,7 @@ static int dlm_remaster_locks(struct dlm_ctxt *dlm, u8 dead_node)
 		BUG_ON(ndata->state != DLM_RECO_NODE_DATA_INIT);
 		ndata->state = DLM_RECO_NODE_DATA_REQUESTING;
 
-		mlog(0, "requesting lock info from node %u\n",
+		mlog(0, "%s: Requesting lock info from node %u\n", dlm->name,
 		     ndata->node_num);
 
 		if (ndata->node_num == dlm->node_num) {
@@ -640,7 +648,7 @@ static int dlm_remaster_locks(struct dlm_ctxt *dlm, u8 dead_node)
 		spin_unlock(&dlm_reco_state_lock);
 	}
 
-	mlog(0, "done requesting all lock info\n");
+	mlog(0, "%s: Done requesting all lock info\n", dlm->name);
 
 	/* nodes should be sending reco data now
 	 * just need to wait */
@@ -802,10 +810,9 @@ static int dlm_request_all_locks(struct dlm_ctxt *dlm, u8 request_from,
 
 	/* negative status is handled by caller */
 	if (ret < 0)
-		mlog(ML_ERROR, "Error %d when sending message %u (key "
-		     "0x%x) to node %u\n", ret, DLM_LOCK_REQUEST_MSG,
-		     dlm->key, request_from);
-
+		mlog(ML_ERROR, "%s: Error %d send LOCK_REQUEST to node %u "
+		     "to recover dead node %u\n", dlm->name, ret,
+		     request_from, dead_node);
 	// return from here, then
 	// sleep until all received or error
 	return ret;
@@ -956,9 +963,9 @@ static int dlm_send_all_done_msg(struct dlm_ctxt *dlm, u8 dead_node, u8 send_to)
 	ret = o2net_send_message(DLM_RECO_DATA_DONE_MSG, dlm->key, &done_msg,
 				 sizeof(done_msg), send_to, &tmpret);
 	if (ret < 0) {
-		mlog(ML_ERROR, "Error %d when sending message %u (key "
-		     "0x%x) to node %u\n", ret, DLM_RECO_DATA_DONE_MSG,
-		     dlm->key, send_to);
+		mlog(ML_ERROR, "%s: Error %d send RECO_DATA_DONE to node %u "
+		     "to recover dead node %u\n", dlm->name, ret, send_to,
+		     dead_node);
 		if (!dlm_is_host_down(ret)) {
 			BUG();
 		}
@@ -1127,9 +1134,11 @@ static int dlm_send_mig_lockres_msg(struct dlm_ctxt *dlm,
 	if (ret < 0) {
 		/* XXX: negative status is not handled.
 		 * this will end up killing this node. */
-		mlog(ML_ERROR, "Error %d when sending message %u (key "
-		     "0x%x) to node %u\n", ret, DLM_MIG_LOCKRES_MSG,
-		     dlm->key, send_to);
+		mlog(ML_ERROR, "%s: res %.*s, Error %d send MIG_LOCKRES to "
+		     "node %u (%s)\n", dlm->name, mres->lockname_len,
+		     mres->lockname, ret, send_to,
+		     (orig_flags & DLM_MRES_MIGRATION ?
+		      "migration" : "recovery"));
 	} else {
 		/* might get an -ENOMEM back here */
 		ret = status;
@@ -2324,9 +2333,9 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
 			dlm_revalidate_lvb(dlm, res, dead_node);
 			if (res->owner == dead_node) {
 				if (res->state & DLM_LOCK_RES_DROPPING_REF) {
-					mlog(ML_NOTICE, "Ignore %.*s for "
+					mlog(ML_NOTICE, "%s: res %.*s, Skip "
 					     "recovery as it is being freed\n",
-					     res->lockname.len,
+					     dlm->name, res->lockname.len,
 					     res->lockname.name);
 				} else
 					dlm_move_lockres_to_recovery_list(dlm,
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 1d6d1d22c471..46faac20f16c 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -185,8 +185,6 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm,
 		/* clear our bit from the master's refmap, ignore errors */
 		ret = dlm_drop_lockres_ref(dlm, res);
 		if (ret < 0) {
-			mlog(ML_ERROR, "%s: deref %.*s failed %d\n", dlm->name,
-			     res->lockname.len, res->lockname.name, ret);
 			if (!dlm_is_host_down(ret))
 				BUG();
 		}
-- 
GitLab


From 394eb3d38a3ecc549cc34a3040103a9164be516b Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:24:54 -0700
Subject: [PATCH 0008/1594] ocfs2: Clean up messages in stack_o2cb.c

o2cb messages needed a facelift.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/stack_o2cb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c
index 19965b00c43c..be935d89a4e8 100644
--- a/fs/ocfs2/stack_o2cb.c
+++ b/fs/ocfs2/stack_o2cb.c
@@ -263,8 +263,8 @@ static void o2dlm_eviction_cb(int node_num, void *data)
 {
 	struct ocfs2_cluster_connection *conn = data;
 
-	mlog(ML_NOTICE, "o2dlm has evicted node %d from group %.*s\n",
-	     node_num, conn->cc_namelen, conn->cc_name);
+	printk(KERN_NOTICE "o2cb: o2dlm has evicted node %d from domain %.*s\n",
+	       node_num, conn->cc_namelen, conn->cc_name);
 
 	conn->cc_recovery_handler(node_num, conn->cc_recovery_data);
 }
-- 
GitLab


From 0afbba13226fcdbd4327f6b13a42f6efbb8c9caf Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:25:54 -0700
Subject: [PATCH 0009/1594] ocfs2/dlm: Cleanup up
 dlm_finish_local_lockres_recovery()

dlm_finish_local_lockres_recovery() needed a facelift.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/dlm/dlmrecovery.c | 57 +++++++++++++++++---------------------
 1 file changed, 25 insertions(+), 32 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index a3c312c43b90..41e74f0e2d35 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2093,6 +2093,9 @@ static void dlm_finish_local_lockres_recovery(struct dlm_ctxt *dlm,
 
 	list_for_each_entry_safe(res, next, &dlm->reco.resources, recovering) {
 		if (res->owner == dead_node) {
+			mlog(0, "%s: res %.*s, Changing owner from %u to %u\n",
+			     dlm->name, res->lockname.len, res->lockname.name,
+			     res->owner, new_master);
 			list_del_init(&res->recovering);
 			spin_lock(&res->spinlock);
 			/* new_master has our reference from
@@ -2114,40 +2117,30 @@ static void dlm_finish_local_lockres_recovery(struct dlm_ctxt *dlm,
 	for (i = 0; i < DLM_HASH_BUCKETS; i++) {
 		bucket = dlm_lockres_hash(dlm, i);
 		hlist_for_each_entry(res, hash_iter, bucket, hash_node) {
-			if (res->state & DLM_LOCK_RES_RECOVERING) {
-				if (res->owner == dead_node) {
-					mlog(0, "(this=%u) res %.*s owner=%u "
-					     "was not on recovering list, but "
-					     "clearing state anyway\n",
-					     dlm->node_num, res->lockname.len,
-					     res->lockname.name, new_master);
-				} else if (res->owner == dlm->node_num) {
-					mlog(0, "(this=%u) res %.*s owner=%u "
-					     "was not on recovering list, "
-					     "owner is THIS node, clearing\n",
-					     dlm->node_num, res->lockname.len,
-					     res->lockname.name, new_master);
-				} else
-					continue;
+			if (!(res->state & DLM_LOCK_RES_RECOVERING))
+				continue;
 
-				if (!list_empty(&res->recovering)) {
-					mlog(0, "%s:%.*s: lockres was "
-					     "marked RECOVERING, owner=%u\n",
-					     dlm->name, res->lockname.len,
-					     res->lockname.name, res->owner);
-					list_del_init(&res->recovering);
-					dlm_lockres_put(res);
-				}
-				spin_lock(&res->spinlock);
-				/* new_master has our reference from
-				 * the lock state sent during recovery */
-				dlm_change_lockres_owner(dlm, res, new_master);
-				res->state &= ~DLM_LOCK_RES_RECOVERING;
-				if (__dlm_lockres_has_locks(res))
-					__dlm_dirty_lockres(dlm, res);
-				spin_unlock(&res->spinlock);
-				wake_up(&res->wq);
+			if (res->owner != dead_node &&
+			    res->owner != dlm->node_num)
+				continue;
+
+			if (!list_empty(&res->recovering)) {
+				list_del_init(&res->recovering);
+				dlm_lockres_put(res);
 			}
+
+			/* new_master has our reference from
+			 * the lock state sent during recovery */
+			mlog(0, "%s: res %.*s, Changing owner from %u to %u\n",
+			     dlm->name, res->lockname.len, res->lockname.name,
+			     res->owner, new_master);
+			spin_lock(&res->spinlock);
+			dlm_change_lockres_owner(dlm, res, new_master);
+			res->state &= ~DLM_LOCK_RES_RECOVERING;
+			if (__dlm_lockres_has_locks(res))
+				__dlm_dirty_lockres(dlm, res);
+			spin_unlock(&res->spinlock);
+			wake_up(&res->wq);
 		}
 	}
 }
-- 
GitLab


From 8d400b81cc83b171ff872587723a37eb7fae9abe Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:26:54 -0700
Subject: [PATCH 0010/1594] ocfs2/dlm: Clean up refmap helpers

Patch cleans up helpers that set/clear refmap bits and grab/drop inflight lock
ref counts.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/dlm/dlmcommon.h   | 49 ++++-----------------
 fs/ocfs2/dlm/dlmmaster.c   | 88 +++++++++++++++++++++++---------------
 fs/ocfs2/dlm/dlmrecovery.c |  8 ++--
 3 files changed, 66 insertions(+), 79 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index d602abb51b61..4a5d5804b130 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -902,46 +902,15 @@ struct dlm_lock_resource *dlm_new_lockres(struct dlm_ctxt *dlm,
 					  const char *name,
 					  unsigned int namelen);
 
-#define dlm_lockres_set_refmap_bit(bit,res)  \
-	__dlm_lockres_set_refmap_bit(bit,res,__FILE__,__LINE__)
-#define dlm_lockres_clear_refmap_bit(bit,res)  \
-	__dlm_lockres_clear_refmap_bit(bit,res,__FILE__,__LINE__)
-
-static inline void __dlm_lockres_set_refmap_bit(int bit,
-						struct dlm_lock_resource *res,
-						const char *file,
-						int line)
-{
-	//printk("%s:%d:%.*s: setting bit %d\n", file, line,
-	//     res->lockname.len, res->lockname.name, bit);
-	set_bit(bit, res->refmap);
-}
-
-static inline void __dlm_lockres_clear_refmap_bit(int bit,
-						  struct dlm_lock_resource *res,
-						  const char *file,
-						  int line)
-{
-	//printk("%s:%d:%.*s: clearing bit %d\n", file, line,
-	//     res->lockname.len, res->lockname.name, bit);
-	clear_bit(bit, res->refmap);
-}
-
-void __dlm_lockres_drop_inflight_ref(struct dlm_ctxt *dlm,
-				   struct dlm_lock_resource *res,
-				   const char *file,
-				   int line);
-void __dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm,
-				   struct dlm_lock_resource *res,
-				   int new_lockres,
-				   const char *file,
-				   int line);
-#define dlm_lockres_drop_inflight_ref(d,r)  \
-	__dlm_lockres_drop_inflight_ref(d,r,__FILE__,__LINE__)
-#define dlm_lockres_grab_inflight_ref(d,r)  \
-	__dlm_lockres_grab_inflight_ref(d,r,0,__FILE__,__LINE__)
-#define dlm_lockres_grab_inflight_ref_new(d,r)  \
-	__dlm_lockres_grab_inflight_ref(d,r,1,__FILE__,__LINE__)
+void dlm_lockres_set_refmap_bit(struct dlm_ctxt *dlm,
+				struct dlm_lock_resource *res, int bit);
+void dlm_lockres_clear_refmap_bit(struct dlm_ctxt *dlm,
+				  struct dlm_lock_resource *res, int bit);
+
+void dlm_lockres_drop_inflight_ref(struct dlm_ctxt *dlm,
+				   struct dlm_lock_resource *res);
+void dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm,
+				   struct dlm_lock_resource *res);
 
 void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
 void dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 9f3b093b629a..11e446ffb67a 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -631,39 +631,58 @@ error:
 	return NULL;
 }
 
-void __dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm,
-				   struct dlm_lock_resource *res,
-				   int new_lockres,
-				   const char *file,
-				   int line)
+void dlm_lockres_set_refmap_bit(struct dlm_ctxt *dlm,
+				struct dlm_lock_resource *res, int bit)
 {
-	if (!new_lockres)
-		assert_spin_locked(&res->spinlock);
+	assert_spin_locked(&res->spinlock);
+
+	mlog(0, "res %.*s, set node %u, %ps()\n", res->lockname.len,
+	     res->lockname.name, bit, __builtin_return_address(0));
+
+	set_bit(bit, res->refmap);
+}
+
+void dlm_lockres_clear_refmap_bit(struct dlm_ctxt *dlm,
+				  struct dlm_lock_resource *res, int bit)
+{
+	assert_spin_locked(&res->spinlock);
+
+	mlog(0, "res %.*s, clr node %u, %ps()\n", res->lockname.len,
+	     res->lockname.name, bit, __builtin_return_address(0));
+
+	clear_bit(bit, res->refmap);
+}
+
+
+void dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm,
+				   struct dlm_lock_resource *res)
+{
+	assert_spin_locked(&res->spinlock);
 
 	if (!test_bit(dlm->node_num, res->refmap)) {
 		BUG_ON(res->inflight_locks != 0);
-		dlm_lockres_set_refmap_bit(dlm->node_num, res);
+		dlm_lockres_set_refmap_bit(dlm, res, dlm->node_num);
 	}
 	res->inflight_locks++;
-	mlog(0, "%s:%.*s: inflight++: now %u\n",
-	     dlm->name, res->lockname.len, res->lockname.name,
-	     res->inflight_locks);
+	mlog(0, "%s: res %.*s, inflight++: now %u, %ps()\n", dlm->name,
+	     res->lockname.len, res->lockname.name, res->inflight_locks,
+	     __builtin_return_address(0));
 }
 
-void __dlm_lockres_drop_inflight_ref(struct dlm_ctxt *dlm,
-				   struct dlm_lock_resource *res,
-				   const char *file,
-				   int line)
+void dlm_lockres_drop_inflight_ref(struct dlm_ctxt *dlm,
+				   struct dlm_lock_resource *res)
 {
 	assert_spin_locked(&res->spinlock);
 
 	BUG_ON(res->inflight_locks == 0);
+
 	res->inflight_locks--;
-	mlog(0, "%s:%.*s: inflight--: now %u\n",
-	     dlm->name, res->lockname.len, res->lockname.name,
-	     res->inflight_locks);
+	mlog(0, "%s: res %.*s, inflight--: now %u, %ps()\n", dlm->name,
+	     res->lockname.len, res->lockname.name, res->inflight_locks,
+	     __builtin_return_address(0));
+
 	if (res->inflight_locks == 0)
-		dlm_lockres_clear_refmap_bit(dlm->node_num, res);
+		dlm_lockres_clear_refmap_bit(dlm, res, dlm->node_num);
 	wake_up(&res->wq);
 }
 
@@ -843,8 +862,10 @@ lookup:
 
 	/* finally add the lockres to its hash bucket */
 	__dlm_insert_lockres(dlm, res);
-	/* since this lockres is new it doesn't not require the spinlock */
-	dlm_lockres_grab_inflight_ref_new(dlm, res);
+
+	spin_lock(&res->spinlock);
+	dlm_lockres_grab_inflight_ref(dlm, res);
+	spin_unlock(&res->spinlock);
 
 	/* if this node does not become the master make sure to drop
 	 * this inflight reference below */
@@ -1426,9 +1447,7 @@ way_up_top:
 		}
 
 		if (res->owner == dlm->node_num) {
-			mlog(0, "%s:%.*s: setting bit %u in refmap\n",
-			     dlm->name, namelen, name, request->node_idx);
-			dlm_lockres_set_refmap_bit(request->node_idx, res);
+			dlm_lockres_set_refmap_bit(dlm, res, request->node_idx);
 			spin_unlock(&res->spinlock);
 			response = DLM_MASTER_RESP_YES;
 			if (mle)
@@ -1493,10 +1512,8 @@ way_up_top:
 				 * go back and clean the mles on any
 				 * other nodes */
 				dispatch_assert = 1;
-				dlm_lockres_set_refmap_bit(request->node_idx, res);
-				mlog(0, "%s:%.*s: setting bit %u in refmap\n",
-				     dlm->name, namelen, name,
-				     request->node_idx);
+				dlm_lockres_set_refmap_bit(dlm, res,
+							   request->node_idx);
 			} else
 				response = DLM_MASTER_RESP_NO;
 		} else {
@@ -1702,7 +1719,7 @@ again:
 			     "lockres, set the bit in the refmap\n",
 			     namelen, lockname, to);
 			spin_lock(&res->spinlock);
-			dlm_lockres_set_refmap_bit(to, res);
+			dlm_lockres_set_refmap_bit(dlm, res, to);
 			spin_unlock(&res->spinlock);
 		}
 	}
@@ -2256,7 +2273,7 @@ int dlm_deref_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
 	else {
 		BUG_ON(res->state & DLM_LOCK_RES_DROPPING_REF);
 		if (test_bit(node, res->refmap)) {
-			dlm_lockres_clear_refmap_bit(node, res);
+			dlm_lockres_clear_refmap_bit(dlm, res, node);
 			cleared = 1;
 		}
 	}
@@ -2316,7 +2333,7 @@ static void dlm_deref_lockres_worker(struct dlm_work_item *item, void *data)
 	BUG_ON(res->state & DLM_LOCK_RES_DROPPING_REF);
 	if (test_bit(node, res->refmap)) {
 		__dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG);
-		dlm_lockres_clear_refmap_bit(node, res);
+		dlm_lockres_clear_refmap_bit(dlm, res, node);
 		cleared = 1;
 	}
 	spin_unlock(&res->spinlock);
@@ -2798,7 +2815,8 @@ static void dlm_remove_nonlocal_locks(struct dlm_ctxt *dlm,
 				BUG_ON(!list_empty(&lock->bast_list));
 				BUG_ON(lock->ast_pending);
 				BUG_ON(lock->bast_pending);
-				dlm_lockres_clear_refmap_bit(lock->ml.node, res);
+				dlm_lockres_clear_refmap_bit(dlm, res,
+							     lock->ml.node);
 				list_del_init(&lock->list);
 				dlm_lock_put(lock);
 				/* In a normal unlock, we would have added a
@@ -2819,7 +2837,7 @@ static void dlm_remove_nonlocal_locks(struct dlm_ctxt *dlm,
 			mlog(0, "%s:%.*s: node %u had a ref to this "
 			     "migrating lockres, clearing\n", dlm->name,
 			     res->lockname.len, res->lockname.name, bit);
-			dlm_lockres_clear_refmap_bit(bit, res);
+			dlm_lockres_clear_refmap_bit(dlm, res, bit);
 		}
 		bit++;
 	}
@@ -2933,7 +2951,7 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm,
 			     dlm->name, res->lockname.len, res->lockname.name,
 			     nodenum);
 			spin_lock(&res->spinlock);
-			dlm_lockres_set_refmap_bit(nodenum, res);
+			dlm_lockres_set_refmap_bit(dlm, res, nodenum);
 			spin_unlock(&res->spinlock);
 		}
 	}
@@ -3267,7 +3285,7 @@ int dlm_finish_migration(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
 	 * mastery reference here since old_master will briefly have
 	 * a reference after the migration completes */
 	spin_lock(&res->spinlock);
-	dlm_lockres_set_refmap_bit(old_master, res);
+	dlm_lockres_set_refmap_bit(dlm, res, old_master);
 	spin_unlock(&res->spinlock);
 
 	mlog(0, "now time to do a migrate request to other nodes\n");
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 41e74f0e2d35..f1a3aa84ad89 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -1776,7 +1776,7 @@ static int dlm_process_recovery_data(struct dlm_ctxt *dlm,
 			     dlm->name, mres->lockname_len, mres->lockname,
 			     from);
 			spin_lock(&res->spinlock);
-			dlm_lockres_set_refmap_bit(from, res);
+			dlm_lockres_set_refmap_bit(dlm, res, from);
 			spin_unlock(&res->spinlock);
 			added++;
 			break;
@@ -1974,7 +1974,7 @@ skip_lvb:
 			mlog(0, "%s:%.*s: added lock for node %u, "
 			     "setting refmap bit\n", dlm->name,
 			     res->lockname.len, res->lockname.name, ml->node);
-			dlm_lockres_set_refmap_bit(ml->node, res);
+			dlm_lockres_set_refmap_bit(dlm, res, ml->node);
 			added++;
 		}
 		spin_unlock(&res->spinlock);
@@ -2254,12 +2254,12 @@ static void dlm_free_dead_locks(struct dlm_ctxt *dlm,
 			     res->lockname.len, res->lockname.name, freed, dead_node);
 			__dlm_print_one_lock_resource(res);
 		}
-		dlm_lockres_clear_refmap_bit(dead_node, res);
+		dlm_lockres_clear_refmap_bit(dlm, res, dead_node);
 	} else if (test_bit(dead_node, res->refmap)) {
 		mlog(0, "%s:%.*s: dead node %u had a ref, but had "
 		     "no locks and had not purged before dying\n", dlm->name,
 		     res->lockname.len, res->lockname.name, dead_node);
-		dlm_lockres_clear_refmap_bit(dead_node, res);
+		dlm_lockres_clear_refmap_bit(dlm, res, dead_node);
 	}
 
 	/* do not kick thread yet */
-- 
GitLab


From e9f0b6a6233105c188064328c3f15e21942d0241 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:27:54 -0700
Subject: [PATCH 0011/1594] ocfs2/dlm: Trace insert/remove of resource to/from
 hash

Add mlog to trace adding and removing the resource from/to the hash table.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/dlm/dlmcommon.h |  5 ++---
 fs/ocfs2/dlm/dlmdomain.c | 19 ++++++++++++-------
 fs/ocfs2/dlm/dlmthread.c |  2 +-
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 4a5d5804b130..b1748ac74751 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -877,9 +877,8 @@ static inline void dlm_lockres_get(struct dlm_lock_resource *res)
 	kref_get(&res->refs);
 }
 void dlm_lockres_put(struct dlm_lock_resource *res);
-void __dlm_unhash_lockres(struct dlm_lock_resource *res);
-void __dlm_insert_lockres(struct dlm_ctxt *dlm,
-			  struct dlm_lock_resource *res);
+void __dlm_unhash_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res);
+void __dlm_insert_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res);
 struct dlm_lock_resource * __dlm_lookup_lockres_full(struct dlm_ctxt *dlm,
 						     const char *name,
 						     unsigned int len,
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index ce225fb0cea7..200d9888ffee 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -157,16 +157,18 @@ static int dlm_protocol_compare(struct dlm_protocol_version *existing,
 
 static void dlm_unregister_domain_handlers(struct dlm_ctxt *dlm);
 
-void __dlm_unhash_lockres(struct dlm_lock_resource *lockres)
+void __dlm_unhash_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
 {
-	if (!hlist_unhashed(&lockres->hash_node)) {
-		hlist_del_init(&lockres->hash_node);
-		dlm_lockres_put(lockres);
-	}
+	if (hlist_unhashed(&res->hash_node))
+		return;
+
+	mlog(0, "%s: Unhash res %.*s\n", dlm->name, res->lockname.len,
+	     res->lockname.name);
+	hlist_del_init(&res->hash_node);
+	dlm_lockres_put(res);
 }
 
-void __dlm_insert_lockres(struct dlm_ctxt *dlm,
-		       struct dlm_lock_resource *res)
+void __dlm_insert_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
 {
 	struct hlist_head *bucket;
 	struct qstr *q;
@@ -180,6 +182,9 @@ void __dlm_insert_lockres(struct dlm_ctxt *dlm,
 	dlm_lockres_get(res);
 
 	hlist_add_head(&res->hash_node, bucket);
+
+	mlog(0, "%s: Hash res %.*s\n", dlm->name, res->lockname.len,
+	     res->lockname.name);
 }
 
 struct dlm_lock_resource * __dlm_lookup_lockres_full(struct dlm_ctxt *dlm,
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 46faac20f16c..4eff65e7e59e 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -207,7 +207,7 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm,
 		BUG();
 	}
 
-	__dlm_unhash_lockres(res);
+	__dlm_unhash_lockres(dlm, res);
 
 	/* lockres is not in the hash now.  drop the flag and wake up
 	 * any processes waiting in dlm_get_lock_resource. */
-- 
GitLab


From ed8625c6fb93d750ed022db571a8a7b7a6724b3b Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:28:54 -0700
Subject: [PATCH 0012/1594] ocfs2/dlm: Cleanup dlm_wait_for_node_death() and
 dlm_wait_for_node_recovery()

dlm_wait_for_node_death() and dlm_wait_for_node_recovery() needed a facelift.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/dlm/dlmcommon.h   |  4 ++--
 fs/ocfs2/dlm/dlmrecovery.c | 46 ++++++++++++++++++--------------------
 2 files changed, 24 insertions(+), 26 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index b1748ac74751..a5952ceecba5 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -859,8 +859,8 @@ void dlm_complete_recovery_thread(struct dlm_ctxt *dlm);
 void dlm_wait_for_recovery(struct dlm_ctxt *dlm);
 void dlm_kick_recovery_thread(struct dlm_ctxt *dlm);
 int dlm_is_node_dead(struct dlm_ctxt *dlm, u8 node);
-int dlm_wait_for_node_death(struct dlm_ctxt *dlm, u8 node, int timeout);
-int dlm_wait_for_node_recovery(struct dlm_ctxt *dlm, u8 node, int timeout);
+void dlm_wait_for_node_death(struct dlm_ctxt *dlm, u8 node, int timeout);
+void dlm_wait_for_node_recovery(struct dlm_ctxt *dlm, u8 node, int timeout);
 
 void dlm_put(struct dlm_ctxt *dlm);
 struct dlm_ctxt *dlm_grab(struct dlm_ctxt *dlm);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index f1a3aa84ad89..01ebfd0bdad7 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -362,40 +362,38 @@ static int dlm_is_node_recovered(struct dlm_ctxt *dlm, u8 node)
 }
 
 
-int dlm_wait_for_node_death(struct dlm_ctxt *dlm, u8 node, int timeout)
+void dlm_wait_for_node_death(struct dlm_ctxt *dlm, u8 node, int timeout)
 {
-	if (timeout) {
-		mlog(ML_NOTICE, "%s: waiting %dms for notification of "
-		     "death of node %u\n", dlm->name, timeout, node);
+	if (dlm_is_node_dead(dlm, node))
+		return;
+
+	printk(KERN_NOTICE "o2dlm: Waiting on the death of node %u in "
+	       "domain %s\n", node, dlm->name);
+
+	if (timeout)
 		wait_event_timeout(dlm->dlm_reco_thread_wq,
-			   dlm_is_node_dead(dlm, node),
-			   msecs_to_jiffies(timeout));
-	} else {
-		mlog(ML_NOTICE, "%s: waiting indefinitely for notification "
-		     "of death of node %u\n", dlm->name, node);
+				   dlm_is_node_dead(dlm, node),
+				   msecs_to_jiffies(timeout));
+	else
 		wait_event(dlm->dlm_reco_thread_wq,
 			   dlm_is_node_dead(dlm, node));
-	}
-	/* for now, return 0 */
-	return 0;
 }
 
-int dlm_wait_for_node_recovery(struct dlm_ctxt *dlm, u8 node, int timeout)
+void dlm_wait_for_node_recovery(struct dlm_ctxt *dlm, u8 node, int timeout)
 {
-	if (timeout) {
-		mlog(0, "%s: waiting %dms for notification of "
-		     "recovery of node %u\n", dlm->name, timeout, node);
+	if (dlm_is_node_recovered(dlm, node))
+		return;
+
+	printk(KERN_NOTICE "o2dlm: Waiting on the recovery of node %u in "
+	       "domain %s\n", node, dlm->name);
+
+	if (timeout)
 		wait_event_timeout(dlm->dlm_reco_thread_wq,
-			   dlm_is_node_recovered(dlm, node),
-			   msecs_to_jiffies(timeout));
-	} else {
-		mlog(0, "%s: waiting indefinitely for notification "
-		     "of recovery of node %u\n", dlm->name, node);
+				   dlm_is_node_recovered(dlm, node),
+				   msecs_to_jiffies(timeout));
+	else
 		wait_event(dlm->dlm_reco_thread_wq,
 			   dlm_is_node_recovered(dlm, node));
-	}
-	/* for now, return 0 */
-	return 0;
 }
 
 /* callers of the top-level api calls (dlmlock/dlmunlock) should
-- 
GitLab


From ff0a522e7db79625aa27a433467eb94c5e255718 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:29:54 -0700
Subject: [PATCH 0013/1594] ocfs2/dlm: Take inflight reference count for
 remotely mastered resources too

The inflight reference count, in the lock resource, is taken to pin the resource
in memory. We take it when a new resource is created and release it after a
lock is attached to it. We do this to prevent the resource from getting purged
prematurely.

Earlier this reference count was being taken for locally mastered resources
only. This patch extends the same functionality for remotely mastered ones.

We are doing this because the same premature purging could occur for remotely
mastered resources if the remote node were to die before completion of the
create lock.

Fix for Oracle bug#12405575.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/dlm/dlmlock.c   | 12 ++++++----
 fs/ocfs2/dlm/dlmmaster.c | 47 +++++++++++++++-------------------------
 fs/ocfs2/dlm/dlmthread.c | 12 +++++-----
 3 files changed, 32 insertions(+), 39 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index c7f3e22bda1e..3ef2c1adfb8f 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -183,10 +183,6 @@ static enum dlm_status dlmlock_master(struct dlm_ctxt *dlm,
 			kick_thread = 1;
 		}
 	}
-	/* reduce the inflight count, this may result in the lockres
-	 * being purged below during calc_usage */
-	if (lock->ml.node == dlm->node_num)
-		dlm_lockres_drop_inflight_ref(dlm, res);
 
 	spin_unlock(&res->spinlock);
 	wake_up(&res->wq);
@@ -737,6 +733,14 @@ retry_lock:
 			}
 		}
 
+		/* Inflight taken in dlm_get_lock_resource() is dropped here */
+		spin_lock(&res->spinlock);
+		dlm_lockres_drop_inflight_ref(dlm, res);
+		spin_unlock(&res->spinlock);
+
+		dlm_lockres_calc_usage(dlm, res);
+		dlm_kick_thread(dlm, res);
+
 		if (status != DLM_NORMAL) {
 			lock->lksb->flags &= ~DLM_LKSB_GET_LVB;
 			if (status != DLM_NOTQUEUED)
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 11e446ffb67a..005261c333b0 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -659,11 +659,8 @@ void dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm,
 {
 	assert_spin_locked(&res->spinlock);
 
-	if (!test_bit(dlm->node_num, res->refmap)) {
-		BUG_ON(res->inflight_locks != 0);
-		dlm_lockres_set_refmap_bit(dlm, res, dlm->node_num);
-	}
 	res->inflight_locks++;
+
 	mlog(0, "%s: res %.*s, inflight++: now %u, %ps()\n", dlm->name,
 	     res->lockname.len, res->lockname.name, res->inflight_locks,
 	     __builtin_return_address(0));
@@ -677,12 +674,11 @@ void dlm_lockres_drop_inflight_ref(struct dlm_ctxt *dlm,
 	BUG_ON(res->inflight_locks == 0);
 
 	res->inflight_locks--;
+
 	mlog(0, "%s: res %.*s, inflight--: now %u, %ps()\n", dlm->name,
 	     res->lockname.len, res->lockname.name, res->inflight_locks,
 	     __builtin_return_address(0));
 
-	if (res->inflight_locks == 0)
-		dlm_lockres_clear_refmap_bit(dlm, res, dlm->node_num);
 	wake_up(&res->wq);
 }
 
@@ -716,7 +712,6 @@ struct dlm_lock_resource * dlm_get_lock_resource(struct dlm_ctxt *dlm,
 	unsigned int hash;
 	int tries = 0;
 	int bit, wait_on_recovery = 0;
-	int drop_inflight_if_nonlocal = 0;
 
 	BUG_ON(!lockid);
 
@@ -728,36 +723,33 @@ lookup:
 	spin_lock(&dlm->spinlock);
 	tmpres = __dlm_lookup_lockres_full(dlm, lockid, namelen, hash);
 	if (tmpres) {
-		int dropping_ref = 0;
-
 		spin_unlock(&dlm->spinlock);
-
 		spin_lock(&tmpres->spinlock);
-		/* We wait for the other thread that is mastering the resource */
+		/* Wait on the thread that is mastering the resource */
 		if (tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN) {
 			__dlm_wait_on_lockres(tmpres);
 			BUG_ON(tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN);
+			spin_unlock(&tmpres->spinlock);
+			dlm_lockres_put(tmpres);
+			tmpres = NULL;
+			goto lookup;
 		}
 
-		if (tmpres->owner == dlm->node_num) {
-			BUG_ON(tmpres->state & DLM_LOCK_RES_DROPPING_REF);
-			dlm_lockres_grab_inflight_ref(dlm, tmpres);
-		} else if (tmpres->state & DLM_LOCK_RES_DROPPING_REF)
-			dropping_ref = 1;
-		spin_unlock(&tmpres->spinlock);
-
-		/* wait until done messaging the master, drop our ref to allow
-		 * the lockres to be purged, start over. */
-		if (dropping_ref) {
-			spin_lock(&tmpres->spinlock);
-			__dlm_wait_on_lockres_flags(tmpres, DLM_LOCK_RES_DROPPING_REF);
+		/* Wait on the resource purge to complete before continuing */
+		if (tmpres->state & DLM_LOCK_RES_DROPPING_REF) {
+			BUG_ON(tmpres->owner == dlm->node_num);
+			__dlm_wait_on_lockres_flags(tmpres,
+						    DLM_LOCK_RES_DROPPING_REF);
 			spin_unlock(&tmpres->spinlock);
 			dlm_lockres_put(tmpres);
 			tmpres = NULL;
 			goto lookup;
 		}
 
-		mlog(0, "found in hash!\n");
+		/* Grab inflight ref to pin the resource */
+		dlm_lockres_grab_inflight_ref(dlm, tmpres);
+
+		spin_unlock(&tmpres->spinlock);
 		if (res)
 			dlm_lockres_put(res);
 		res = tmpres;
@@ -863,14 +855,11 @@ lookup:
 	/* finally add the lockres to its hash bucket */
 	__dlm_insert_lockres(dlm, res);
 
+	/* Grab inflight ref to pin the resource */
 	spin_lock(&res->spinlock);
 	dlm_lockres_grab_inflight_ref(dlm, res);
 	spin_unlock(&res->spinlock);
 
-	/* if this node does not become the master make sure to drop
-	 * this inflight reference below */
-	drop_inflight_if_nonlocal = 1;
-
 	/* get an extra ref on the mle in case this is a BLOCK
 	 * if so, the creator of the BLOCK may try to put the last
 	 * ref at this time in the assert master handler, so we
@@ -973,8 +962,6 @@ wait:
 
 wake_waiters:
 	spin_lock(&res->spinlock);
-	if (res->owner != dlm->node_num && drop_inflight_if_nonlocal)
-		dlm_lockres_drop_inflight_ref(dlm, res);
 	res->state &= ~DLM_LOCK_RES_IN_PROGRESS;
 	spin_unlock(&res->spinlock);
 	wake_up(&res->wq);
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 4eff65e7e59e..e73c833fc2a1 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -94,24 +94,26 @@ int __dlm_lockres_unused(struct dlm_lock_resource *res)
 {
 	int bit;
 
+	assert_spin_locked(&res->spinlock);
+
 	if (__dlm_lockres_has_locks(res))
 		return 0;
 
+	/* Locks are in the process of being created */
+	if (res->inflight_locks)
+		return 0;
+
 	if (!list_empty(&res->dirty) || res->state & DLM_LOCK_RES_DIRTY)
 		return 0;
 
 	if (res->state & DLM_LOCK_RES_RECOVERING)
 		return 0;
 
+	/* Another node has this resource with this node as the master */
 	bit = find_next_bit(res->refmap, O2NM_MAX_NODES, 0);
 	if (bit < O2NM_MAX_NODES)
 		return 0;
 
-	/*
-	 * since the bit for dlm->node_num is not set, inflight_locks better
-	 * be zero
-	 */
-	BUG_ON(res->inflight_locks != 0);
 	return 1;
 }
 
-- 
GitLab


From a2c0cc1579176bd0808ef7deea456767dfa80217 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:30:54 -0700
Subject: [PATCH 0014/1594] ocfs2/dlm: dlmlock_remote() needs to account for
 remastery

In dlmlock_remote(), we wait for the resource to stop being active before
setting the inprogress flag. Active includes recovery, migration, etc.

The problem here is that if the resource was being recovered or migrated, the
new owner could very well be that node itself (and thus not a remote node).
This problem was observed in Oracle bug#12583620. The error messages observed
were as follows:

dlm_send_remote_lock_request:337 ERROR: Error -40 (ELOOP) when sending message 503 (key 0xd6d8c7) to node 2
dlmlock_remote:271 ERROR: dlm status = DLM_BADARGS
dlmlock:751 ERROR: dlm status = DLM_BADARGS

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/dlm/dlmlock.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index 3ef2c1adfb8f..f32fcba04923 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -227,10 +227,16 @@ static enum dlm_status dlmlock_remote(struct dlm_ctxt *dlm,
 	     lock->ml.type, res->lockname.len,
 	     res->lockname.name, flags);
 
+	/*
+	 * Wait if resource is getting recovered, remastered, etc.
+	 * If the resource was remastered and new owner is self, then exit.
+	 */
 	spin_lock(&res->spinlock);
-
-	/* will exit this call with spinlock held */
 	__dlm_wait_on_lockres(res);
+	if (res->owner == dlm->node_num) {
+		spin_unlock(&res->spinlock);
+		return DLM_RECOVERING;
+	}
 	res->state |= DLM_LOCK_RES_IN_PROGRESS;
 
 	/* add lock to local (secondary) queue */
@@ -710,18 +716,10 @@ retry_lock:
 
 		if (status == DLM_RECOVERING || status == DLM_MIGRATING ||
 		    status == DLM_FORWARD) {
-			mlog(0, "retrying lock with migration/"
-			     "recovery/in progress\n");
 			msleep(100);
-			/* no waiting for dlm_reco_thread */
 			if (recovery) {
 				if (status != DLM_RECOVERING)
 					goto retry_lock;
-
-				mlog(0, "%s: got RECOVERING "
-				     "for $RECOVERY lock, master "
-				     "was %u\n", dlm->name,
-				     res->owner);
 				/* wait to see the node go down, then
 				 * drop down and allow the lockres to
 				 * get cleaned up.  need to remaster. */
-- 
GitLab


From bb570a5d9e74f71d32751823052db4a97d6a5e7c Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:31:54 -0700
Subject: [PATCH 0015/1594] ocfs2/cluster: Fix output in file
 elapsed_time_in_ms

The o2hb debugfs file, elapsed_time_in_ms, should return values only after the
timer is armed atleast once.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/cluster/heartbeat.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 4728a746281d..a4e855e3690e 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1198,6 +1198,7 @@ static int o2hb_debug_open(struct inode *inode, struct file *file)
 	struct o2hb_debug_buf *db = inode->i_private;
 	struct o2hb_region *reg;
 	unsigned long map[BITS_TO_LONGS(O2NM_MAX_NODES)];
+	unsigned long lts;
 	char *buf = NULL;
 	int i = -1;
 	int out = 0;
@@ -1234,9 +1235,11 @@ static int o2hb_debug_open(struct inode *inode, struct file *file)
 
 	case O2HB_DB_TYPE_REGION_ELAPSED_TIME:
 		reg = (struct o2hb_region *)db->db_data;
-		out += snprintf(buf + out, PAGE_SIZE - out, "%u\n",
-				jiffies_to_msecs(jiffies -
-						 reg->hr_last_timeout_start));
+		lts = reg->hr_last_timeout_start;
+		/* If 0, it has never been set before */
+		if (lts)
+			lts = jiffies_to_msecs(jiffies - lts);
+		out += snprintf(buf + out, PAGE_SIZE - out, "%lu\n", lts);
 		goto done;
 
 	case O2HB_DB_TYPE_REGION_PINNED:
-- 
GitLab


From 3ba169ccec1c5ad0f678e04fd29b990197fdfe79 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:32:54 -0700
Subject: [PATCH 0016/1594] ocfs2/cluster: Add new function
 o2net_fill_node_map()

Patch adds function o2net_fill_node_map() to return the bitmap of nodes that
it is connected to. This bitmap is also accessible by the user via the debugfs
file, /sys/kernel/debug/o2net/connected_nodes.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/cluster/netdebug.c | 102 ++++++++++++++++++++++++------------
 fs/ocfs2/cluster/tcp.c      |  19 +++++++
 fs/ocfs2/cluster/tcp.h      |   2 +
 3 files changed, 90 insertions(+), 33 deletions(-)

diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c
index 3a5835904b3d..dc45deb19e68 100644
--- a/fs/ocfs2/cluster/netdebug.c
+++ b/fs/ocfs2/cluster/netdebug.c
@@ -47,6 +47,7 @@
 #define SC_DEBUG_NAME		"sock_containers"
 #define NST_DEBUG_NAME		"send_tracking"
 #define STATS_DEBUG_NAME	"stats"
+#define NODES_DEBUG_NAME	"connected_nodes"
 
 #define SHOW_SOCK_CONTAINERS	0
 #define SHOW_SOCK_STATS		1
@@ -55,6 +56,7 @@ static struct dentry *o2net_dentry;
 static struct dentry *sc_dentry;
 static struct dentry *nst_dentry;
 static struct dentry *stats_dentry;
+static struct dentry *nodes_dentry;
 
 static DEFINE_SPINLOCK(o2net_debug_lock);
 
@@ -491,53 +493,87 @@ static const struct file_operations sc_seq_fops = {
 	.release = sc_fop_release,
 };
 
-int o2net_debugfs_init(void)
+static int o2net_fill_bitmap(char *buf, int len)
 {
-	o2net_dentry = debugfs_create_dir(O2NET_DEBUG_DIR, NULL);
-	if (!o2net_dentry) {
-		mlog_errno(-ENOMEM);
-		goto bail;
-	}
+	unsigned long map[BITS_TO_LONGS(O2NM_MAX_NODES)];
+	int i = -1, out = 0;
 
-	nst_dentry = debugfs_create_file(NST_DEBUG_NAME, S_IFREG|S_IRUSR,
-					 o2net_dentry, NULL,
-					 &nst_seq_fops);
-	if (!nst_dentry) {
-		mlog_errno(-ENOMEM);
-		goto bail;
-	}
+	o2net_fill_node_map(map, sizeof(map));
 
-	sc_dentry = debugfs_create_file(SC_DEBUG_NAME, S_IFREG|S_IRUSR,
-					o2net_dentry, NULL,
-					&sc_seq_fops);
-	if (!sc_dentry) {
-		mlog_errno(-ENOMEM);
-		goto bail;
-	}
+	while ((i = find_next_bit(map, O2NM_MAX_NODES, i + 1)) < O2NM_MAX_NODES)
+		out += snprintf(buf + out, PAGE_SIZE - out, "%d ", i);
+	out += snprintf(buf + out, PAGE_SIZE - out, "\n");
 
-	stats_dentry = debugfs_create_file(STATS_DEBUG_NAME, S_IFREG|S_IRUSR,
-					   o2net_dentry, NULL,
-					   &stats_seq_fops);
-	if (!stats_dentry) {
-		mlog_errno(-ENOMEM);
-		goto bail;
-	}
+	return out;
+}
+
+static int nodes_fop_open(struct inode *inode, struct file *file)
+{
+	char *buf;
+
+	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	i_size_write(inode, o2net_fill_bitmap(buf, PAGE_SIZE));
+
+	file->private_data = buf;
 
 	return 0;
-bail:
-	debugfs_remove(stats_dentry);
-	debugfs_remove(sc_dentry);
-	debugfs_remove(nst_dentry);
-	debugfs_remove(o2net_dentry);
-	return -ENOMEM;
 }
 
+static int o2net_debug_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+static ssize_t o2net_debug_read(struct file *file, char __user *buf,
+				size_t nbytes, loff_t *ppos)
+{
+	return simple_read_from_buffer(buf, nbytes, ppos, file->private_data,
+				       i_size_read(file->f_mapping->host));
+}
+
+static const struct file_operations nodes_fops = {
+	.open		= nodes_fop_open,
+	.release	= o2net_debug_release,
+	.read		= o2net_debug_read,
+	.llseek		= generic_file_llseek,
+};
+
 void o2net_debugfs_exit(void)
 {
+	debugfs_remove(nodes_dentry);
 	debugfs_remove(stats_dentry);
 	debugfs_remove(sc_dentry);
 	debugfs_remove(nst_dentry);
 	debugfs_remove(o2net_dentry);
 }
 
+int o2net_debugfs_init(void)
+{
+	mode_t mode = S_IFREG|S_IRUSR;
+
+	o2net_dentry = debugfs_create_dir(O2NET_DEBUG_DIR, NULL);
+	if (o2net_dentry)
+		nst_dentry = debugfs_create_file(NST_DEBUG_NAME, mode,
+					o2net_dentry, NULL, &nst_seq_fops);
+	if (nst_dentry)
+		sc_dentry = debugfs_create_file(SC_DEBUG_NAME, mode,
+					o2net_dentry, NULL, &sc_seq_fops);
+	if (sc_dentry)
+		stats_dentry = debugfs_create_file(STATS_DEBUG_NAME, mode,
+					o2net_dentry, NULL, &stats_seq_fops);
+	if (stats_dentry)
+		nodes_dentry = debugfs_create_file(NODES_DEBUG_NAME, mode,
+					o2net_dentry, NULL, &nodes_fops);
+	if (nodes_dentry)
+		return 0;
+
+	o2net_debugfs_exit();
+	mlog_errno(-ENOMEM);
+	return -ENOMEM;
+}
+
 #endif	/* CONFIG_DEBUG_FS */
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 6e97895ecf24..ae13d5ca7908 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -1034,6 +1034,25 @@ static int o2net_tx_can_proceed(struct o2net_node *nn,
 	return ret;
 }
 
+/* Get a map of all nodes to which this node is currently connected to */
+void o2net_fill_node_map(unsigned long *map, unsigned bytes)
+{
+	struct o2net_sock_container *sc;
+	int node, ret;
+
+	BUG_ON(bytes < (BITS_TO_LONGS(O2NM_MAX_NODES) * sizeof(unsigned long)));
+
+	memset(map, 0, bytes);
+	for (node = 0; node < O2NM_MAX_NODES; ++node) {
+		o2net_tx_can_proceed(o2net_nn_from_num(node), &sc, &ret);
+		if (!ret) {
+			set_bit(node, map);
+			sc_put(sc);
+		}
+	}
+}
+EXPORT_SYMBOL_GPL(o2net_fill_node_map);
+
 int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
 			   size_t caller_veclen, u8 target_node, int *status)
 {
diff --git a/fs/ocfs2/cluster/tcp.h b/fs/ocfs2/cluster/tcp.h
index fd6179eb26d4..5bada2a69b50 100644
--- a/fs/ocfs2/cluster/tcp.h
+++ b/fs/ocfs2/cluster/tcp.h
@@ -106,6 +106,8 @@ int o2net_register_handler(u32 msg_type, u32 key, u32 max_len,
 			   struct list_head *unreg_list);
 void o2net_unregister_handler_list(struct list_head *list);
 
+void o2net_fill_node_map(unsigned long *map, unsigned bytes);
+
 struct o2nm_node;
 int o2net_register_hb_callbacks(void);
 void o2net_unregister_hb_callbacks(void);
-- 
GitLab


From 6b27f62fc750d85bc6fc3718b3b38ec60edc2d74 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:33:54 -0700
Subject: [PATCH 0017/1594] ocfs2/cluster: Cluster up now includes network
 connections too

The cluster up check only checks to see if the node is heartbeating or not.
If yes it continues assuming that the node is connected to all the nodes. But
if that is not the case, the cluster join aborts with a stack of errors that
are not easy to comprehend.

This patch adds the network connect check upfront and prints the nodes that
the node is not yet connected to, before aborting.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/dlm/dlmdomain.c |  7 -----
 fs/ocfs2/stack_o2cb.c    | 67 ++++++++++++++++++++++++++++++++++++----
 2 files changed, 61 insertions(+), 13 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 200d9888ffee..92f2ead0fab6 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -2138,13 +2138,6 @@ struct dlm_ctxt * dlm_register_domain(const char *domain,
 		goto leave;
 	}
 
-	if (!o2hb_check_local_node_heartbeating()) {
-		mlog(ML_ERROR, "the local node has not been configured, or is "
-		     "not heartbeating\n");
-		ret = -EPROTO;
-		goto leave;
-	}
-
 	mlog(0, "register called for domain \"%s\"\n", domain);
 
 retry:
diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c
index be935d89a4e8..94368017edb3 100644
--- a/fs/ocfs2/stack_o2cb.c
+++ b/fs/ocfs2/stack_o2cb.c
@@ -28,6 +28,7 @@
 #include "cluster/masklog.h"
 #include "cluster/nodemanager.h"
 #include "cluster/heartbeat.h"
+#include "cluster/tcp.h"
 
 #include "stackglue.h"
 
@@ -255,6 +256,61 @@ static void o2cb_dump_lksb(struct ocfs2_dlm_lksb *lksb)
 	dlm_print_one_lock(lksb->lksb_o2dlm.lockid);
 }
 
+/*
+ * Check if this node is heartbeating and is connected to all other
+ * heartbeating nodes.
+ */
+static int o2cb_cluster_check(void)
+{
+	u8 node_num;
+	int i;
+	unsigned long hbmap[BITS_TO_LONGS(O2NM_MAX_NODES)];
+	unsigned long netmap[BITS_TO_LONGS(O2NM_MAX_NODES)];
+
+	node_num = o2nm_this_node();
+	if (node_num == O2NM_MAX_NODES) {
+		printk(KERN_ERR "o2cb: This node has not been configured.\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * o2dlm expects o2net sockets to be created. If not, then
+	 * dlm_join_domain() fails with a stack of errors which are both cryptic
+	 * and incomplete. The idea here is to detect upfront whether we have
+	 * managed to connect to all nodes or not. If not, then list the nodes
+	 * to allow the user to check the configuration (incorrect IP, firewall,
+	 * etc.) Yes, this is racy. But its not the end of the world.
+	 */
+#define	O2CB_MAP_STABILIZE_COUNT	60
+	for (i = 0; i < O2CB_MAP_STABILIZE_COUNT; ++i) {
+		o2hb_fill_node_map(hbmap, sizeof(hbmap));
+		if (!test_bit(node_num, hbmap)) {
+			printk(KERN_ERR "o2cb: %s heartbeat has not been "
+			       "started.\n", (o2hb_global_heartbeat_active() ?
+					      "Global" : "Local"));
+			return -EINVAL;
+		}
+		o2net_fill_node_map(netmap, sizeof(netmap));
+		/* Force set the current node to allow easy compare */
+		set_bit(node_num, netmap);
+		if (!memcmp(hbmap, netmap, sizeof(hbmap)))
+			return 0;
+		if (i < O2CB_MAP_STABILIZE_COUNT)
+			msleep(1000);
+	}
+
+	printk(KERN_ERR "o2cb: This node could not connect to nodes:");
+	i = -1;
+	while ((i = find_next_bit(hbmap, O2NM_MAX_NODES,
+				  i + 1)) < O2NM_MAX_NODES) {
+		if (!test_bit(i, netmap))
+			printk(" %u", i);
+	}
+	printk(".\n");
+
+	return -ENOTCONN;
+}
+
 /*
  * Called from the dlm when it's about to evict a node. This is how the
  * classic stack signals node death.
@@ -280,12 +336,11 @@ static int o2cb_cluster_connect(struct ocfs2_cluster_connection *conn)
 	BUG_ON(conn == NULL);
 	BUG_ON(conn->cc_proto == NULL);
 
-	/* for now we only have one cluster/node, make sure we see it
-	 * in the heartbeat universe */
-	if (!o2hb_check_local_node_heartbeating()) {
-		if (o2hb_global_heartbeat_active())
-			mlog(ML_ERROR, "Global heartbeat not started\n");
-		rc = -EINVAL;
+	/* Ensure cluster stack is up and all nodes are connected */
+	rc = o2cb_cluster_check();
+	if (rc) {
+		printk(KERN_ERR "o2cb: Cluster check failed. Fix errors "
+		       "before retrying.\n");
 		goto out;
 	}
 
-- 
GitLab


From 619c200de144b44f5e405305241bcd7edbb8c6cf Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:34:54 -0700
Subject: [PATCH 0018/1594] ocfs2: Clean up messages in the fs

Convert useful messages from ML_NOTICE to KERN_NOTICE to improve readability.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/journal.c     |  9 ++++++---
 fs/ocfs2/quota_local.c | 13 +++++++++----
 fs/ocfs2/slot_map.c    |  4 ++--
 fs/ocfs2/super.c       | 10 +++++-----
 4 files changed, 22 insertions(+), 14 deletions(-)

diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 295d56454e8b..8eaaa7854409 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1544,9 +1544,9 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
 	/* we need to run complete recovery for offline orphan slots */
 	ocfs2_replay_map_set_state(osb, REPLAY_NEEDED);
 
-	mlog(ML_NOTICE, "Recovering node %d from slot %d on device (%u,%u)\n",
-	     node_num, slot_num,
-	     MAJOR(osb->sb->s_dev), MINOR(osb->sb->s_dev));
+	printk(KERN_NOTICE "ocfs2: Begin replay journal (node %d, slot %d) on "\
+	       "device (%u,%u)\n", node_num, slot_num, MAJOR(osb->sb->s_dev),
+	       MINOR(osb->sb->s_dev));
 
 	OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
 
@@ -1601,6 +1601,9 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
 
 	jbd2_journal_destroy(journal);
 
+	printk(KERN_NOTICE "ocfs2: End replay journal (node %d, slot %d) on "\
+	       "device (%u,%u)\n", node_num, slot_num, MAJOR(osb->sb->s_dev),
+	       MINOR(osb->sb->s_dev));
 done:
 	/* drop the lock on this nodes journal */
 	if (got_lock)
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index dc8007fc9247..942fd65bdad3 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -404,7 +404,9 @@ struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery(
 	int status = 0;
 	struct ocfs2_quota_recovery *rec;
 
-	mlog(ML_NOTICE, "Beginning quota recovery in slot %u\n", slot_num);
+	printk(KERN_NOTICE "ocfs2: Beginning quota recovery on device (%s) for "
+	       "slot %u\n", osb->dev_str, slot_num);
+
 	rec = ocfs2_alloc_quota_recovery();
 	if (!rec)
 		return ERR_PTR(-ENOMEM);
@@ -596,7 +598,9 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
 	struct inode *lqinode;
 	unsigned int flags;
 
-	mlog(ML_NOTICE, "Finishing quota recovery in slot %u\n", slot_num);
+	printk(KERN_NOTICE "ocfs2: Finishing quota recovery on device (%s) for "
+	       "slot %u\n", osb->dev_str, slot_num);
+
 	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
 	for (type = 0; type < MAXQUOTAS; type++) {
 		if (list_empty(&(rec->r_list[type])))
@@ -612,8 +616,9 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
 		/* Someone else is holding the lock? Then he must be
 		 * doing the recovery. Just skip the file... */
 		if (status == -EAGAIN) {
-			mlog(ML_NOTICE, "skipping quota recovery for slot %d "
-			     "because quota file is locked.\n", slot_num);
+			printk(KERN_NOTICE "ocfs2: Skipping quota recovery on "
+			       "device (%s) for slot %d because quota file is "
+			       "locked.\n", osb->dev_str, slot_num);
 			status = 0;
 			goto out_put;
 		} else if (status < 0) {
diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c
index 26fc0014d509..1424c151cccc 100644
--- a/fs/ocfs2/slot_map.c
+++ b/fs/ocfs2/slot_map.c
@@ -493,8 +493,8 @@ int ocfs2_find_slot(struct ocfs2_super *osb)
 			goto bail;
 		}
 	} else
-		mlog(ML_NOTICE, "slot %d is already allocated to this node!\n",
-		     slot);
+		printk(KERN_INFO "ocfs2: Slot %d on device (%s) was already "
+		       "allocated to this node!\n", slot, osb->dev_str);
 
 	ocfs2_set_slot(si, slot, osb->node_num);
 	osb->slot_num = slot;
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 56f61027236b..3e7850380d2b 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1107,9 +1107,9 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
 
 		ocfs2_set_ro_flag(osb, 1);
 
-		printk(KERN_NOTICE "Readonly device detected. No cluster "
-		       "services will be utilized for this mount. Recovery "
-		       "will be skipped.\n");
+		printk(KERN_NOTICE "ocfs2: Readonly device (%s) detected. "
+		       "Cluster services will not be used for this mount. "
+		       "Recovery will be skipped.\n", osb->dev_str);
 	}
 
 	if (!ocfs2_is_hard_readonly(osb)) {
@@ -2462,8 +2462,8 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
 			goto finally;
 		}
 	} else {
-		mlog(ML_NOTICE, "File system was not unmounted cleanly, "
-		     "recovering volume.\n");
+		printk(KERN_NOTICE "ocfs2: File system on device (%s) was not "
+		       "unmounted cleanly, recovering it.\n", osb->dev_str);
 	}
 
 	local = ocfs2_mount_local(osb);
-- 
GitLab


From a035bff6b82aca89c1223e2c614adc2d17ec8aa2 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Sun, 24 Jul 2011 10:35:54 -0700
Subject: [PATCH 0019/1594] ocfs2: Add comment about orphan scanning

Add a comment that explains the reason as to why orphan scan scans all the slots.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/journal.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 8eaaa7854409..0a42ae96dca7 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1811,6 +1811,20 @@ static inline unsigned long ocfs2_orphan_scan_timeout(void)
  * every slot, queuing a recovery of the slot on the ocfs2_wq thread. This
  * is done to catch any orphans that are left over in orphan directories.
  *
+ * It scans all slots, even ones that are in use. It does so to handle the
+ * case described below:
+ *
+ *   Node 1 has an inode it was using. The dentry went away due to memory
+ *   pressure.  Node 1 closes the inode, but it's on the free list. The node
+ *   has the open lock.
+ *   Node 2 unlinks the inode. It grabs the dentry lock to notify others,
+ *   but node 1 has no dentry and doesn't get the message. It trylocks the
+ *   open lock, sees that another node has a PR, and does nothing.
+ *   Later node 2 runs its orphan dir. It igets the inode, trylocks the
+ *   open lock, sees the PR still, and does nothing.
+ *   Basically, we have to trigger an orphan iput on node 1. The only way
+ *   for this to happen is if node 1 runs node 2's orphan dir.
+ *
  * ocfs2_queue_orphan_scan gets called every ORPHAN_SCAN_SCHEDULE_TIMEOUT
  * seconds.  It gets an EX lock on os_lockres and checks sequence number
  * stored in LVB. If the sequence number has changed, it means some other
-- 
GitLab


From 5cffff9e29866a3de98c2c25135b3199491f93b0 Mon Sep 17 00:00:00 2001
From: Wengang Wang <wen.gang.wang@oracle.com>
Date: Sun, 24 Jul 2011 10:36:54 -0700
Subject: [PATCH 0020/1594] ocfs2: Fix ocfs2_page_mkwrite()

This patch address two shortcomings in ocfs2_page_mkwrite():
1. Makes the function return better VM_FAULT_* errors.
2. It handles a error that is triggered when a page is dropped from the mapping
due to memory pressure. This patch locks the page to prevent that.

[Patch was cleaned up by Sunil Mushran.]

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/aops.c | 51 +++++++++++++++++++++++++++++++++++++++--------
 fs/ocfs2/mmap.c | 53 ++++++++++++++++++++++---------------------------
 2 files changed, 67 insertions(+), 37 deletions(-)

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index c1efe939c774..ff98c169b631 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -862,6 +862,12 @@ struct ocfs2_write_ctxt {
 	struct page			*w_pages[OCFS2_MAX_CTXT_PAGES];
 	struct page			*w_target_page;
 
+	/*
+	 * w_target_locked is used for page_mkwrite path indicating no unlocking
+	 * against w_target_page in ocfs2_write_end_nolock.
+	 */
+	unsigned int			w_target_locked:1;
+
 	/*
 	 * ocfs2_write_end() uses this to know what the real range to
 	 * write in the target should be.
@@ -895,6 +901,24 @@ void ocfs2_unlock_and_free_pages(struct page **pages, int num_pages)
 
 static void ocfs2_free_write_ctxt(struct ocfs2_write_ctxt *wc)
 {
+	int i;
+
+	/*
+	 * w_target_locked is only set to true in the page_mkwrite() case.
+	 * The intent is to allow us to lock the target page from write_begin()
+	 * to write_end(). The caller must hold a ref on w_target_page.
+	 */
+	if (wc->w_target_locked) {
+		BUG_ON(!wc->w_target_page);
+		for (i = 0; i < wc->w_num_pages; i++) {
+			if (wc->w_target_page == wc->w_pages[i]) {
+				wc->w_pages[i] = NULL;
+				break;
+			}
+		}
+		mark_page_accessed(wc->w_target_page);
+		page_cache_release(wc->w_target_page);
+	}
 	ocfs2_unlock_and_free_pages(wc->w_pages, wc->w_num_pages);
 
 	brelse(wc->w_di_bh);
@@ -1132,20 +1156,17 @@ static int ocfs2_grab_pages_for_write(struct address_space *mapping,
 			 */
 			lock_page(mmap_page);
 
+			/* Exit and let the caller retry */
 			if (mmap_page->mapping != mapping) {
+				WARN_ON(mmap_page->mapping);
 				unlock_page(mmap_page);
-				/*
-				 * Sanity check - the locking in
-				 * ocfs2_pagemkwrite() should ensure
-				 * that this code doesn't trigger.
-				 */
-				ret = -EINVAL;
-				mlog_errno(ret);
+				ret = -EAGAIN;
 				goto out;
 			}
 
 			page_cache_get(mmap_page);
 			wc->w_pages[i] = mmap_page;
+			wc->w_target_locked = true;
 		} else {
 			wc->w_pages[i] = find_or_create_page(mapping, index,
 							     GFP_NOFS);
@@ -1160,6 +1181,8 @@ static int ocfs2_grab_pages_for_write(struct address_space *mapping,
 			wc->w_target_page = wc->w_pages[i];
 	}
 out:
+	if (ret)
+		wc->w_target_locked = false;
 	return ret;
 }
 
@@ -1817,11 +1840,23 @@ try_again:
 	 */
 	ret = ocfs2_grab_pages_for_write(mapping, wc, wc->w_cpos, pos, len,
 					 cluster_of_pages, mmap_page);
-	if (ret) {
+	if (ret && ret != -EAGAIN) {
 		mlog_errno(ret);
 		goto out_quota;
 	}
 
+	/*
+	 * ocfs2_grab_pages_for_write() returns -EAGAIN if it could not lock
+	 * the target page. In this case, we exit with no error and no target
+	 * page. This will trigger the caller, page_mkwrite(), to re-try
+	 * the operation.
+	 */
+	if (ret == -EAGAIN) {
+		BUG_ON(wc->w_target_page);
+		ret = 0;
+		goto out_quota;
+	}
+
 	ret = ocfs2_write_cluster_by_desc(mapping, data_ac, meta_ac, wc, pos,
 					  len);
 	if (ret) {
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 3e9393ca39eb..9cd41083e991 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -61,7 +61,7 @@ static int ocfs2_fault(struct vm_area_struct *area, struct vm_fault *vmf)
 static int __ocfs2_page_mkwrite(struct file *file, struct buffer_head *di_bh,
 				struct page *page)
 {
-	int ret;
+	int ret = VM_FAULT_NOPAGE;
 	struct inode *inode = file->f_path.dentry->d_inode;
 	struct address_space *mapping = inode->i_mapping;
 	loff_t pos = page_offset(page);
@@ -71,32 +71,25 @@ static int __ocfs2_page_mkwrite(struct file *file, struct buffer_head *di_bh,
 	void *fsdata;
 	loff_t size = i_size_read(inode);
 
-	/*
-	 * Another node might have truncated while we were waiting on
-	 * cluster locks.
-	 * We don't check size == 0 before the shift. This is borrowed
-	 * from do_generic_file_read.
-	 */
 	last_index = (size - 1) >> PAGE_CACHE_SHIFT;
-	if (unlikely(!size || page->index > last_index)) {
-		ret = -EINVAL;
-		goto out;
-	}
 
 	/*
-	 * The i_size check above doesn't catch the case where nodes
-	 * truncated and then re-extended the file. We'll re-check the
-	 * page mapping after taking the page lock inside of
-	 * ocfs2_write_begin_nolock().
+	 * There are cases that lead to the page no longer bebongs to the
+	 * mapping.
+	 * 1) pagecache truncates locally due to memory pressure.
+	 * 2) pagecache truncates when another is taking EX lock against 
+	 * inode lock. see ocfs2_data_convert_worker.
+	 * 
+	 * The i_size check doesn't catch the case where nodes truncated and
+	 * then re-extended the file. We'll re-check the page mapping after
+	 * taking the page lock inside of ocfs2_write_begin_nolock().
+	 *
+	 * Let VM retry with these cases.
 	 */
-	if (!PageUptodate(page) || page->mapping != inode->i_mapping) {
-		/*
-		 * the page has been umapped in ocfs2_data_downconvert_worker.
-		 * So return 0 here and let VFS retry.
-		 */
-		ret = 0;
+	if ((page->mapping != inode->i_mapping) ||
+	    (!PageUptodate(page)) ||
+	    (page_offset(page) >= size))
 		goto out;
-	}
 
 	/*
 	 * Call ocfs2_write_begin() and ocfs2_write_end() to take
@@ -116,17 +109,21 @@ static int __ocfs2_page_mkwrite(struct file *file, struct buffer_head *di_bh,
 	if (ret) {
 		if (ret != -ENOSPC)
 			mlog_errno(ret);
+		if (ret == -ENOMEM)
+			ret = VM_FAULT_OOM;
+		else
+			ret = VM_FAULT_SIGBUS;
 		goto out;
 	}
 
-	ret = ocfs2_write_end_nolock(mapping, pos, len, len, locked_page,
-				     fsdata);
-	if (ret < 0) {
-		mlog_errno(ret);
+	if (!locked_page) {
+		ret = VM_FAULT_NOPAGE;
 		goto out;
 	}
+	ret = ocfs2_write_end_nolock(mapping, pos, len, len, locked_page,
+				     fsdata);
 	BUG_ON(ret != len);
-	ret = 0;
+	ret = VM_FAULT_LOCKED;
 out:
 	return ret;
 }
@@ -168,8 +165,6 @@ static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 
 out:
 	ocfs2_unblock_signals(&oldset);
-	if (ret)
-		ret = VM_FAULT_SIGBUS;
 	return ret;
 }
 
-- 
GitLab


From 93862d5e1ab875664c6cc95254fc365028a48bb1 Mon Sep 17 00:00:00 2001
From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Mon, 25 Jul 2011 14:58:15 -0700
Subject: [PATCH 0021/1594] ocfs2: Implement llseek()

ocfs2 implements its own llseek() to provide the SEEK_HOLE/SEEK_DATA
functionality.

SEEK_HOLE sets the file pointer to the start of either a hole or an unwritten
(preallocated) extent, that is greater than or equal to the supplied offset.

SEEK_DATA sets the file pointer to the start of an allocated extent (not
unwritten) that is greater than or equal to the supplied offset.

If the supplied offset is on a desired region, then the file pointer is set
to it. Offsets greater than or equal to the file size return -ENXIO.

Unwritten (preallocated) extents are considered holes because the file system
treats reads to such regions in the same way as it does to holes.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
---
 fs/ocfs2/extent_map.c | 96 +++++++++++++++++++++++++++++++++++++++++++
 fs/ocfs2/extent_map.h |  2 +
 fs/ocfs2/file.c       | 55 ++++++++++++++++++++++++-
 3 files changed, 151 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index 23457b491e8c..2f5b92ef0e53 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -832,6 +832,102 @@ out:
 	return ret;
 }
 
+int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int origin)
+{
+	struct inode *inode = file->f_mapping->host;
+	int ret;
+	unsigned int is_last = 0, is_data = 0;
+	u16 cs_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits;
+	u32 cpos, cend, clen, hole_size;
+	u64 extoff, extlen;
+	struct buffer_head *di_bh = NULL;
+	struct ocfs2_extent_rec rec;
+
+	BUG_ON(origin != SEEK_DATA && origin != SEEK_HOLE);
+
+	ret = ocfs2_inode_lock(inode, &di_bh, 0);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
+
+	down_read(&OCFS2_I(inode)->ip_alloc_sem);
+
+	if (*offset >= inode->i_size) {
+		ret = -ENXIO;
+		goto out_unlock;
+	}
+
+	if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
+		if (origin == SEEK_HOLE)
+			*offset = inode->i_size;
+		goto out_unlock;
+	}
+
+	clen = 0;
+	cpos = *offset >> cs_bits;
+	cend = ocfs2_clusters_for_bytes(inode->i_sb, inode->i_size);
+
+	while (cpos < cend && !is_last) {
+		ret = ocfs2_get_clusters_nocache(inode, di_bh, cpos, &hole_size,
+						 &rec, &is_last);
+		if (ret) {
+			mlog_errno(ret);
+			goto out_unlock;
+		}
+
+		extoff = cpos;
+		extoff <<= cs_bits;
+
+		if (rec.e_blkno == 0ULL) {
+			clen = hole_size;
+			is_data = 0;
+		} else {
+			clen = le16_to_cpu(rec.e_leaf_clusters) -
+				(cpos - le32_to_cpu(rec.e_cpos));
+			is_data = (rec.e_flags & OCFS2_EXT_UNWRITTEN) ?  0 : 1;
+		}
+
+		if ((!is_data && origin == SEEK_HOLE) ||
+		    (is_data && origin == SEEK_DATA)) {
+			if (extoff > *offset)
+				*offset = extoff;
+			goto out_unlock;
+		}
+
+		if (!is_last)
+			cpos += clen;
+	}
+
+	if (origin == SEEK_HOLE) {
+		extoff = cpos;
+		extoff <<= cs_bits;
+		extlen = clen;
+		extlen <<=  cs_bits;
+
+		if ((extoff + extlen) > inode->i_size)
+			extlen = inode->i_size - extoff;
+		extoff += extlen;
+		if (extoff > *offset)
+			*offset = extoff;
+		goto out_unlock;
+	}
+
+	ret = -ENXIO;
+
+out_unlock:
+
+	brelse(di_bh);
+
+	up_read(&OCFS2_I(inode)->ip_alloc_sem);
+
+	ocfs2_inode_unlock(inode, 0);
+out:
+	if (ret && ret != -ENXIO)
+		ret = -ENXIO;
+	return ret;
+}
+
 int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr,
 			   struct buffer_head *bhs[], int flags,
 			   int (*validate)(struct super_block *sb,
diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h
index e79d41c2c909..67ea57d2fd59 100644
--- a/fs/ocfs2/extent_map.h
+++ b/fs/ocfs2/extent_map.h
@@ -53,6 +53,8 @@ int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno,
 int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		 u64 map_start, u64 map_len);
 
+int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int origin);
+
 int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster,
 			     u32 *p_cluster, u32 *num_clusters,
 			     struct ocfs2_extent_list *el,
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 0fc2bd34039d..c0f015e11c28 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2591,6 +2591,57 @@ bail:
 	return ret;
 }
 
+/* Refer generic_file_llseek_unlocked() */
+static loff_t ocfs2_file_llseek(struct file *file, loff_t offset, int origin)
+{
+	struct inode *inode = file->f_mapping->host;
+	int ret = 0;
+
+	mutex_lock(&inode->i_mutex);
+
+	switch (origin) {
+	case SEEK_SET:
+		break;
+	case SEEK_END:
+		offset += inode->i_size;
+		break;
+	case SEEK_CUR:
+		if (offset == 0) {
+			offset = file->f_pos;
+			goto out;
+		}
+		offset += file->f_pos;
+		break;
+	case SEEK_DATA:
+	case SEEK_HOLE:
+		ret = ocfs2_seek_data_hole_offset(file, &offset, origin);
+		if (ret)
+			goto out;
+		break;
+	default:
+		ret = -EINVAL;
+		goto out;
+	}
+
+	if (offset < 0 && !(file->f_mode & FMODE_UNSIGNED_OFFSET))
+		ret = -EINVAL;
+	if (!ret && offset > inode->i_sb->s_maxbytes)
+		ret = -EINVAL;
+	if (ret)
+		goto out;
+
+	if (offset != file->f_pos) {
+		file->f_pos = offset;
+		file->f_version = 0;
+	}
+
+out:
+	mutex_unlock(&inode->i_mutex);
+	if (ret)
+		return ret;
+	return offset;
+}
+
 const struct inode_operations ocfs2_file_iops = {
 	.setattr	= ocfs2_setattr,
 	.getattr	= ocfs2_getattr,
@@ -2615,7 +2666,7 @@ const struct inode_operations ocfs2_special_file_iops = {
  * ocfs2_fops_no_plocks and ocfs2_dops_no_plocks!
  */
 const struct file_operations ocfs2_fops = {
-	.llseek		= generic_file_llseek,
+	.llseek		= ocfs2_file_llseek,
 	.read		= do_sync_read,
 	.write		= do_sync_write,
 	.mmap		= ocfs2_mmap,
@@ -2663,7 +2714,7 @@ const struct file_operations ocfs2_dops = {
  * the cluster.
  */
 const struct file_operations ocfs2_fops_no_plocks = {
-	.llseek		= generic_file_llseek,
+	.llseek		= ocfs2_file_llseek,
 	.read		= do_sync_read,
 	.write		= do_sync_write,
 	.mmap		= ocfs2_mmap,
-- 
GitLab


From a11f7e63c59810a81494d4c4b028af707d4c7ca4 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.com>
Date: Wed, 22 Jun 2011 14:23:38 -0700
Subject: [PATCH 0022/1594] ocfs2: serialize unaligned aio

Fix a corruption that can happen when we have (two or more) outstanding
aio's to an overlapping unaligned region.  Ext4
(e9e3bcecf44c04b9e6b505fd8e2eb9cea58fb94d) and xfs recently had to fix
similar issues.

In our case what happens is that we can have an outstanding aio on a region
and if a write comes in with some bytes overlapping the original aio we may
decide to read that region into a page before continuing (typically because
of buffered-io fallback).  Since we have no ordering guarantees with the
aio, we can read stale or bad data into the page and then write it back out.

If the i/o is page and block aligned, then we avoid this issue as there
won't be any need to read data from disk.

I took the same approach as Eric in the ext4 patch and introduced some
serialization of unaligned async direct i/o.  I don't expect this to have an
effect on the most common cases of AIO.  Unaligned aio will be slower
though, but that's far more acceptable than data corruption.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/aops.c  | 10 ++++++++++
 fs/ocfs2/aops.h  | 14 ++++++++++++++
 fs/ocfs2/file.c  | 38 ++++++++++++++++++++++++++++++++++++++
 fs/ocfs2/inode.h |  3 +++
 fs/ocfs2/super.c | 10 ++++++++--
 5 files changed, 73 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index ac97bca282d2..4c1ec8f2d8c1 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -564,6 +564,7 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
 {
 	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
 	int level;
+	wait_queue_head_t *wq = ocfs2_ioend_wq(inode);
 
 	/* this io's submitter should not have unlocked this before we could */
 	BUG_ON(!ocfs2_iocb_is_rw_locked(iocb));
@@ -573,6 +574,15 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
 		ocfs2_iocb_clear_sem_locked(iocb);
 	}
 
+	if (ocfs2_iocb_is_unaligned_aio(iocb)) {
+		ocfs2_iocb_clear_unaligned_aio(iocb);
+
+		if (atomic_dec_and_test(&OCFS2_I(inode)->ip_unaligned_aio) &&
+		    waitqueue_active(wq)) {
+			wake_up_all(wq);
+		}
+	}
+
 	ocfs2_iocb_clear_rw_locked(iocb);
 
 	level = ocfs2_iocb_rw_locked_level(iocb);
diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index 75cf3ad987a6..ffb2da370a99 100644
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -78,6 +78,7 @@ enum ocfs2_iocb_lock_bits {
 	OCFS2_IOCB_RW_LOCK = 0,
 	OCFS2_IOCB_RW_LOCK_LEVEL,
 	OCFS2_IOCB_SEM,
+	OCFS2_IOCB_UNALIGNED_IO,
 	OCFS2_IOCB_NUM_LOCKS
 };
 
@@ -91,4 +92,17 @@ enum ocfs2_iocb_lock_bits {
 	clear_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)
 #define ocfs2_iocb_is_sem_locked(iocb) \
 	test_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)
+
+#define ocfs2_iocb_set_unaligned_aio(iocb) \
+	set_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)
+#define ocfs2_iocb_clear_unaligned_aio(iocb) \
+	clear_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)
+#define ocfs2_iocb_is_unaligned_aio(iocb) \
+	test_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)
+
+#define OCFS2_IOEND_WQ_HASH_SZ	37
+#define ocfs2_ioend_wq(v)   (&ocfs2__ioend_wq[((unsigned long)(v)) %\
+					    OCFS2_IOEND_WQ_HASH_SZ])
+extern wait_queue_head_t ocfs2__ioend_wq[OCFS2_IOEND_WQ_HASH_SZ];
+
 #endif /* OCFS2_FILE_H */
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index b1e35a392ca5..145f4533a936 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2038,6 +2038,23 @@ out:
 	return ret;
 }
 
+static void ocfs2_aiodio_wait(struct inode *inode)
+{
+	wait_queue_head_t *wq = ocfs2_ioend_wq(inode);
+
+	wait_event(*wq, (atomic_read(&OCFS2_I(inode)->ip_unaligned_aio) == 0));
+}
+
+static int ocfs2_is_io_unaligned(struct inode *inode, size_t count, loff_t pos)
+{
+	int blockmask = inode->i_sb->s_blocksize - 1;
+	loff_t final_size = pos + count;
+
+	if ((pos & blockmask) || (final_size & blockmask))
+		return 1;
+	return 0;
+}
+
 static int ocfs2_prepare_inode_for_refcount(struct inode *inode,
 					    struct file *file,
 					    loff_t pos, size_t count,
@@ -2216,6 +2233,7 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	int full_coherency = !(osb->s_mount_opt &
 			       OCFS2_MOUNT_COHERENCY_BUFFERED);
+	int unaligned_dio = 0;
 
 	trace_ocfs2_file_aio_write(inode, file, file->f_path.dentry,
 		(unsigned long long)OCFS2_I(inode)->ip_blkno,
@@ -2284,6 +2302,10 @@ relock:
 		goto out;
 	}
 
+	if (direct_io && !is_sync_kiocb(iocb))
+		unaligned_dio = ocfs2_is_io_unaligned(inode, iocb->ki_left,
+						      *ppos);
+
 	/*
 	 * We can't complete the direct I/O as requested, fall back to
 	 * buffered I/O.
@@ -2299,6 +2321,18 @@ relock:
 		goto relock;
 	}
 
+	if (unaligned_dio) {
+		/*
+		 * Wait on previous unaligned aio to complete before
+		 * proceeding.
+		 */
+		ocfs2_aiodio_wait(inode);
+
+		/* Mark the iocb as needing a decrement in ocfs2_dio_end_io */
+		atomic_inc(&OCFS2_I(inode)->ip_unaligned_aio);
+		ocfs2_iocb_set_unaligned_aio(iocb);
+	}
+
 	/*
 	 * To later detect whether a journal commit for sync writes is
 	 * necessary, we sample i_size, and cluster count here.
@@ -2371,8 +2405,12 @@ out_dio:
 	if ((ret == -EIOCBQUEUED) || (!ocfs2_iocb_is_rw_locked(iocb))) {
 		rw_level = -1;
 		have_alloc_sem = 0;
+		unaligned_dio = 0;
 	}
 
+	if (unaligned_dio)
+		atomic_dec(&OCFS2_I(inode)->ip_unaligned_aio);
+
 out:
 	if (rw_level != -1)
 		ocfs2_rw_unlock(inode, rw_level);
diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h
index 1c508b149b3a..88924a3133fa 100644
--- a/fs/ocfs2/inode.h
+++ b/fs/ocfs2/inode.h
@@ -43,6 +43,9 @@ struct ocfs2_inode_info
 	/* protects extended attribute changes on this inode */
 	struct rw_semaphore		ip_xattr_sem;
 
+	/* Number of outstanding AIO's which are not page aligned */
+	atomic_t			ip_unaligned_aio;
+
 	/* These fields are protected by ip_lock */
 	spinlock_t			ip_lock;
 	u32				ip_open_count;
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 029c4cd8a691..603f5fe9f816 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -54,6 +54,7 @@
 #include "ocfs1_fs_compat.h"
 
 #include "alloc.h"
+#include "aops.h"
 #include "blockcheck.h"
 #include "dlmglue.h"
 #include "export.h"
@@ -1616,12 +1617,17 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
 	return 0;
 }
 
+wait_queue_head_t ocfs2__ioend_wq[OCFS2_IOEND_WQ_HASH_SZ];
+
 static int __init ocfs2_init(void)
 {
-	int status;
+	int status, i;
 
 	ocfs2_print_version();
 
+	for (i = 0; i < OCFS2_IOEND_WQ_HASH_SZ; i++)
+		init_waitqueue_head(&ocfs2__ioend_wq[i]);
+
 	status = init_ocfs2_uptodate_cache();
 	if (status < 0) {
 		mlog_errno(status);
@@ -1760,7 +1766,7 @@ static void ocfs2_inode_init_once(void *data)
 	ocfs2_extent_map_init(&oi->vfs_inode);
 	INIT_LIST_HEAD(&oi->ip_io_markers);
 	oi->ip_dir_start_lookup = 0;
-
+	atomic_set(&oi->ip_unaligned_aio, 0);
 	init_rwsem(&oi->ip_alloc_sem);
 	init_rwsem(&oi->ip_xattr_sem);
 	mutex_init(&oi->ip_io_mutex);
-- 
GitLab


From c7e25e6e0b0486492c5faaf6312b37413642c48e Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 23 Jun 2011 22:51:47 +0200
Subject: [PATCH 0023/1594] ocfs2: Avoid livelock in ocfs2_readpage()

When someone writes to an inode, readers accessing the same inode via
ocfs2_readpage() just busyloop trying to get ip_alloc_sem because
do_generic_file_read() looks up the page again and retries ->readpage()
when previous attempt failed with AOP_TRUNCATED_PAGE. When there are enough
readers, they can occupy all CPUs and in non-preempt kernel the system is
deadlocked because writer holding ip_alloc_sem is never run to release the
semaphore. Fix the problem by making reader block on ip_alloc_sem to break
the busy loop.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/aops.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 4c1ec8f2d8c1..ba3ca1e63b51 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -290,7 +290,15 @@ static int ocfs2_readpage(struct file *file, struct page *page)
 	}
 
 	if (down_read_trylock(&oi->ip_alloc_sem) == 0) {
+		/*
+		 * Unlock the page and cycle ip_alloc_sem so that we don't
+		 * busyloop waiting for ip_alloc_sem to unlock
+		 */
 		ret = AOP_TRUNCATED_PAGE;
+		unlock_page(page);
+		unlock = 0;
+		down_read(&oi->ip_alloc_sem);
+		up_read(&oi->ip_alloc_sem);
 		goto out_inode_unlock;
 	}
 
-- 
GitLab


From ece9528e5f88cee11303fceefe39382f1030cd4e Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@ti.com>
Date: Tue, 12 Jul 2011 08:18:15 -0700
Subject: [PATCH 0024/1594] gpio/omap: replace MOD_REG_BIT macro with static
 inline

This macro is ugly and confusing, especially since it passes in most
arguments, but uses an implied 'base' from the caller.

Replace it with an equivalent static inline.

Signed-off-by: Kevin Hilman <khilman@ti.com>
---
 drivers/gpio/gpio-omap.c | 54 +++++++++++++++++++++-------------------
 1 file changed, 29 insertions(+), 25 deletions(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 0599854e2217..34a7110d9bc8 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -148,13 +148,17 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio)
 	return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0;
 }
 
-#define MOD_REG_BIT(reg, bit_mask, set)	\
-do {	\
-	int l = __raw_readl(base + reg); \
-	if (set) l |= bit_mask; \
-	else l &= ~bit_mask; \
-	__raw_writel(l, base + reg); \
-} while(0)
+static inline void _gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set)
+{
+	int l = __raw_readl(base + reg);
+
+	if (set) 
+		l |= mask;
+	else
+		l &= ~mask;
+
+	__raw_writel(l, base + reg);
+}
 
 /**
  * _set_gpio_debounce - low level gpio debounce time
@@ -210,28 +214,28 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
 	u32 gpio_bit = 1 << gpio;
 
 	if (cpu_is_omap44xx()) {
-		MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT0, gpio_bit,
-			trigger & IRQ_TYPE_LEVEL_LOW);
-		MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT1, gpio_bit,
-			trigger & IRQ_TYPE_LEVEL_HIGH);
-		MOD_REG_BIT(OMAP4_GPIO_RISINGDETECT, gpio_bit,
-			trigger & IRQ_TYPE_EDGE_RISING);
-		MOD_REG_BIT(OMAP4_GPIO_FALLINGDETECT, gpio_bit,
-			trigger & IRQ_TYPE_EDGE_FALLING);
+		_gpio_rmw(base, OMAP4_GPIO_LEVELDETECT0, gpio_bit,
+			  trigger & IRQ_TYPE_LEVEL_LOW);
+		_gpio_rmw(base, OMAP4_GPIO_LEVELDETECT1, gpio_bit,
+			  trigger & IRQ_TYPE_LEVEL_HIGH);
+		_gpio_rmw(base, OMAP4_GPIO_RISINGDETECT, gpio_bit,
+			  trigger & IRQ_TYPE_EDGE_RISING);
+		_gpio_rmw(base, OMAP4_GPIO_FALLINGDETECT, gpio_bit,
+			  trigger & IRQ_TYPE_EDGE_FALLING);
 	} else {
-		MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT0, gpio_bit,
-			trigger & IRQ_TYPE_LEVEL_LOW);
-		MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT1, gpio_bit,
-			trigger & IRQ_TYPE_LEVEL_HIGH);
-		MOD_REG_BIT(OMAP24XX_GPIO_RISINGDETECT, gpio_bit,
-			trigger & IRQ_TYPE_EDGE_RISING);
-		MOD_REG_BIT(OMAP24XX_GPIO_FALLINGDETECT, gpio_bit,
-			trigger & IRQ_TYPE_EDGE_FALLING);
+		_gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT0, gpio_bit,
+			  trigger & IRQ_TYPE_LEVEL_LOW);
+		_gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT1, gpio_bit,
+			  trigger & IRQ_TYPE_LEVEL_HIGH);
+		_gpio_rmw(base, OMAP24XX_GPIO_RISINGDETECT, gpio_bit,
+			  trigger & IRQ_TYPE_EDGE_RISING);
+		_gpio_rmw(base, OMAP24XX_GPIO_FALLINGDETECT, gpio_bit,
+			  trigger & IRQ_TYPE_EDGE_FALLING);
 	}
 	if (likely(!(bank->non_wakeup_gpios & gpio_bit))) {
 		if (cpu_is_omap44xx()) {
-			MOD_REG_BIT(OMAP4_GPIO_IRQWAKEN0, gpio_bit,
-				trigger != 0);
+			_gpio_rmw(base, OMAP4_GPIO_IRQWAKEN0, gpio_bit,
+				  trigger != 0);
 		} else {
 			/*
 			 * GPIO wakeup request can only be generated on edge
-- 
GitLab


From 832337490f22987a1b739ba840e105c0c9af01bc Mon Sep 17 00:00:00 2001
From: Todd Poynor <toddpoynor@google.com>
Date: Mon, 18 Jul 2011 07:43:14 -0700
Subject: [PATCH 0025/1594] gpio/omap: check return value from
 irq_alloc_generic_chip

Ensure return value of irq_alloc_generic_chip() is checked before continuing
on to use it.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
---
 drivers/gpio/gpio-omap.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 34a7110d9bc8..f0208a958185 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1090,6 +1090,11 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start,
 
 	gc = irq_alloc_generic_chip("MPUIO", 1, irq_start, bank->base,
 				    handle_simple_irq);
+	if (!gc) {
+		dev_err(bank->dev, "Memory alloc failed for gc\n");
+		return;
+	}
+
 	ct = gc->chip_types;
 
 	/* NOTE: No ack required, reading IRQ status clears it. */
-- 
GitLab


From a78f6787a3dd7223bf185895fdcea661b408dc0a Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 17:18:08 +0000
Subject: [PATCH 0026/1594] DocBook/drm: Eradicate inappropriate uses of the
 future tense

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 50 +++++++++++++++++-----------------
 1 file changed, 25 insertions(+), 25 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index c27915893974..0527ff2be37e 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -57,10 +57,10 @@
       existing drivers.
     </para>
     <para>
-      First, we'll go over some typical driver initialization
+      First, we go over some typical driver initialization
       requirements, like setting up command buffers, creating an
       initial output configuration, and initializing core services.
-      Subsequent sections will cover core internals in more detail,
+      Subsequent sections cover core internals in more detail,
       providing implementation notes and examples.
     </para>
     <para>
@@ -74,7 +74,7 @@
     </para>
     <para>
       The core of every DRM driver is struct drm_driver.  Drivers
-      will typically statically initialize a drm_driver structure,
+      typically statically initialize a drm_driver structure,
       then pass it to drm_init() at load time.
     </para>
 
@@ -155,7 +155,7 @@
     <para>
       In the example above, taken from the i915 DRM driver, the driver
       sets several flags indicating what core features it supports.
-      We'll go over the individual callbacks in later sections.  Since
+      We go over the individual callbacks in later sections.  Since
       flags indicate which features your driver supports to the DRM
       core, you need to set most of them prior to calling drm_init().  Some,
       like DRIVER_MODESET can be set later based on user supplied parameters,
@@ -238,7 +238,7 @@
     </variablelist>
     <para>
       In this specific case, the driver requires AGP and supports
-      IRQs.  DMA, as we'll see, is handled by device specific ioctls
+      IRQs.  DMA, as discussed later, is handled by device specific ioctls
       in this case.  It also supports the kernel mode setting APIs, though
       unlike in the actual i915 driver source, this example unconditionally
       exports KMS capability.
@@ -315,7 +315,7 @@
     <sect2>
       <title>Configuring the device</title>
       <para>
-	Obviously, device configuration will be device specific.
+	Obviously, device configuration is device specific.
 	However, there are several common operations: finding a
 	device's PCI resources, mapping them, and potentially setting
 	up an IRQ handler.
@@ -326,7 +326,7 @@
 	drm_get_resource_len() can be used to find BARs on the given
 	drm_device struct.  Once those values have been retrieved, the
 	driver load function can call drm_addmap() to create a new
-	mapping for the BAR in question.  Note you'll probably want a
+	mapping for the BAR in question.  Note you probably want a
 	drm_local_map_t in your driver private structure to track any
 	mappings you create.
 <!-- !Fdrivers/gpu/drm/drm_bufs.c drm_get_resource_* -->
@@ -357,7 +357,7 @@
       </para>
 <!--!Fdrivers/char/drm/drm_irq.c drm_irq_install-->
       <para>
-	Once your interrupt handler is registered (it'll use your
+	Once your interrupt handler is registered (it uses your
 	drm_driver.irq_handler as the actual interrupt handling
 	function), you can safely enable interrupts on your device,
 	assuming any other state your interrupt handler uses is also
@@ -389,7 +389,7 @@
 	should support a memory manager.
       </para>
       <para>
-	If your driver supports memory management (it should!), you'll
+	If your driver supports memory management (it should!), you
 	need to set that up at load time as well.  How you initialize
 	it depends on which memory manager you're using, TTM or GEM.
       </para>
@@ -430,13 +430,13 @@
 	  have a type of TTM_GLOBAL_TTM_MEM.  The size field for the global
 	  object should be sizeof(struct ttm_mem_global), and the init and
 	  release hooks should point at your driver specific init and
-	  release routines, which will probably eventually call
+	  release routines, which probably eventually call
 	  ttm_mem_global_init and ttm_mem_global_release respectively.
 	</para>
 	<para>
 	  Once your global TTM accounting structure is set up and initialized
 	  (done by calling ttm_global_item_ref on the global object you
-	  just created), you'll need to create a buffer object TTM to
+	  just created), you need to create a buffer object TTM to
 	  provide a pool for buffer object allocation by clients and the
 	  kernel itself.  The type of this object should be TTM_GLOBAL_TTM_BO,
 	  and its size should be sizeof(struct ttm_bo_global).  Again,
@@ -455,8 +455,8 @@
 	  than TTM, but has no VRAM management capability.  Core GEM
 	  initialization is comprised of a basic drm_mm_init call to create
 	  a GTT DRM MM object, which provides an address space pool for
-	  object allocation.  In a KMS configuration, the driver will
-	  need to allocate and initialize a command ring buffer following
+	  object allocation.  In a KMS configuration, the driver
+	  needs to allocate and initialize a command ring buffer following
 	  basic GEM initialization.  Most UMA devices have a so-called
 	  "stolen" memory region, which provides space for the initial
 	  framebuffer and large, contiguous memory regions required by the
@@ -464,16 +464,16 @@
 	  be initialized separately into its own DRM MM object.
 	</para>
 	<para>
-	  Initialization will be driver specific, and will depend on
+	  Initialization is driver specific, and depends on
 	  the architecture of the device.  In the case of Intel
 	  integrated graphics chips like 965GM, GEM initialization can
 	  be done by calling the internal GEM init function,
 	  i915_gem_do_init().  Since the 965GM is a UMA device
-	  (i.e. it doesn't have dedicated VRAM), GEM will manage
+	  (i.e. it doesn't have dedicated VRAM), GEM manages
 	  making regular RAM available for GPU operations.  Memory set
 	  aside by the BIOS (called "stolen" memory by the i915
-	  driver) will be managed by the DRM memrange allocator; the
-	  rest of the aperture will be managed by GEM.
+	  driver) is managed by the DRM memrange allocator; the
+	  rest of the aperture is managed by GEM.
 	  <programlisting>
 	    /* Basic memrange allocator for stolen space (aka vram) */
 	    drm_memrange_init(&amp;dev_priv->vram, 0, prealloc_size);
@@ -616,7 +616,7 @@ void intel_crt_init(struct drm_device *dev)
     <para>
       DRM_IOCTL_MODESET_CTL should be called by application level
       drivers before and after mode setting, since on many devices the
-      vertical blank counter will be reset at that time.  Internally,
+      vertical blank counter is reset at that time.  Internally,
       the DRM snapshots the last vblank count when the ioctl is called
       with the _DRM_PRE_MODESET command so that the counter won't go
       backwards (which is dealt with when _DRM_POST_MODESET is used).
@@ -632,8 +632,8 @@ void intel_crt_init(struct drm_device *dev)
       register.  The enable and disable vblank callbacks should enable
       and disable vertical blank interrupts, respectively.  In the
       absence of DRM clients waiting on vblank events, the core DRM
-      code will use the disable_vblank() function to disable
-      interrupts, which saves power.  They'll be re-enabled again when
+      code uses the disable_vblank() function to disable
+      interrupts, which saves power.  They are re-enabled again when
       a client calls the vblank wait ioctl above.
     </para>
     <para>
@@ -699,14 +699,14 @@ void intel_crt_init(struct drm_device *dev)
 	performs any necessary flushing or synchronization to put the object
 	into the desired coherency domain (note that the object may be busy,
 	i.e. an active render target; in that case the set domain function
-	will block the client and wait for rendering to complete before
+	blocks the client and waits for rendering to complete before
 	performing any necessary flushing operations).
       </para>
       <para>
 	Perhaps the most important GEM function is providing a command
 	execution interface to clients.  Client programs construct command
 	buffers containing references to previously allocated memory objects
-	and submit them to GEM.  At that point, GEM will take care to bind
+	and submit them to GEM.  At that point, GEM takes care to bind
 	all the objects into the GTT, execute the buffer, and provide
 	necessary synchronization between clients accessing the same buffers.
 	This often involves evicting some objects from the GTT and re-binding
@@ -767,7 +767,7 @@ void intel_crt_init(struct drm_device *dev)
     <para>
       In order to set a mode on a given CRTC, encoder and connector
       configuration, clients need to provide a framebuffer object which
-      will provide a source of pixels for the CRTC to deliver to the encoder(s)
+      provides a source of pixels for the CRTC to deliver to the encoder(s)
       and ultimately the connector(s) in the configuration.  A framebuffer
       is fundamentally a driver specific memory object, made into an opaque
       handle by the DRM addfb function.  Once an fb has been created this
@@ -789,7 +789,7 @@ void intel_crt_init(struct drm_device *dev)
     <para>
       The DRM core provides some suspend/resume code, but drivers
       wanting full suspend/resume support should provide save() and
-      restore() functions.  These will be called at suspend,
+      restore() functions.  These are called at suspend,
       hibernate, or resume time, and should perform any state save or
       restore required by your device across suspend or hibernate
       states.
@@ -823,7 +823,7 @@ void intel_crt_init(struct drm_device *dev)
     </para>
     <para>
       Cover generic ioctls and sysfs layout here.  Only need high
-      level info, since man pages will cover the rest.
+      level info, since man pages should cover the rest.
     </para>
   </chapter>
 
-- 
GitLab


From f11aca045c165b9d4c9c4fce29f51ec24bcf64d3 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 17:21:31 +0000
Subject: [PATCH 0027/1594] DocBook/drm: can -> may

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 0527ff2be37e..b9079386040d 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -32,7 +32,7 @@
       The Linux DRM layer contains code intended to support the needs
       of complex graphics devices, usually containing programmable
       pipelines well suited to 3D graphics acceleration.  Graphics
-      drivers in the kernel can make use of DRM functions to make
+      drivers in the kernel may make use of DRM functions to make
       tasks like memory management, interrupt handling and DMA easier,
       and provide a uniform interface to applications.
     </para>
@@ -293,12 +293,12 @@
 	can be used for tracking various device specific bits of
 	information, like register offsets, command buffer status,
 	register state for suspend/resume, etc.  At load time, a
-	driver can simply allocate one and set drm_device.dev_priv
+	driver may simply allocate one and set drm_device.dev_priv
 	appropriately; at unload the driver can free it and set
 	drm_device.dev_priv to NULL.
       </para>
       <para>
-	The DRM supports several counters which can be used for rough
+	The DRM supports several counters which may be used for rough
 	performance characterization.  Note that the DRM stat counter
 	system is not often used by applications, and supporting
 	additional counters is completely optional.
@@ -323,7 +323,7 @@
       <para>
 	Finding &amp; mapping resources is fairly straightforward.  The
 	DRM wrapper functions, drm_get_resource_start() and
-	drm_get_resource_len() can be used to find BARs on the given
+	drm_get_resource_len() may be used to find BARs on the given
 	drm_device struct.  Once those values have been retrieved, the
 	driver load function can call drm_addmap() to create a new
 	mapping for the BAR in question.  Note you probably want a
@@ -335,12 +335,12 @@
       <para>
 	if compatibility with other operating systems isn't a concern
 	(DRM drivers can run under various BSD variants and OpenSolaris),
-	native Linux calls can be used for the above, e.g. pci_resource_*
+	native Linux calls may be used for the above, e.g. pci_resource_*
 	and iomap*/iounmap.  See the Linux device driver book for more
 	info.
       </para>
       <para>
-	Once you have a register map, you can use the DRM_READn() and
+	Once you have a register map, you may use the DRM_READn() and
 	DRM_WRITEn() macros to access the registers on your device, or
 	use driver specific versions to offset into your MMIO space
 	relative to a driver specific base pointer (see I915_READ for
@@ -440,7 +440,7 @@
 	  provide a pool for buffer object allocation by clients and the
 	  kernel itself.  The type of this object should be TTM_GLOBAL_TTM_BO,
 	  and its size should be sizeof(struct ttm_bo_global).  Again,
-	  driver specific init and release functions can be provided,
+	  driver specific init and release functions may be provided,
 	  likely eventually calling ttm_bo_global_init and
 	  ttm_bo_global_release, respectively.  Also like the previous
 	  object, ttm_global_item_ref is used to create an initial reference
@@ -483,7 +483,7 @@
 <!--!Edrivers/char/drm/drm_memrange.c-->
 	</para>
 	<para>
-	  Once the memory manager has been set up, we can allocate the
+	  Once the memory manager has been set up, we may allocate the
 	  command buffer.  In the i915 case, this is also done with a
 	  GEM function, i915_gem_init_ringbuffer().
 	</para>
@@ -572,7 +572,7 @@ void intel_crt_init(struct drm_device *dev)
 	    devices with PC-style architectures (i.e. a set of display planes
 	    for feeding pixels to encoders which are in turn routed to
 	    connectors).  Devices with more complex requirements needing
-	    finer grained management can opt to use the core callbacks
+	    finer grained management may opt to use the core callbacks
 	    directly.
 	  </para>
 	  <para>
@@ -637,7 +637,7 @@ void intel_crt_init(struct drm_device *dev)
       a client calls the vblank wait ioctl above.
     </para>
     <para>
-      Devices that don't provide a count register can simply use an
+      Devices that don't provide a count register may simply use an
       internal atomic counter incremented on every vertical blank
       interrupt, and can make their enable and disable vblank
       functions into no-ops.
-- 
GitLab


From 0c54781bc5aaec1e23bc50a4ef757b8e8bfc693b Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 17:55:54 +0000
Subject: [PATCH 0028/1594] DocBook/drm: Clean up code comment

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl  | 4 ++--
 drivers/gpu/drm/i915/i915_drv.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index b9079386040d..4ddc99928668 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -88,8 +88,8 @@
     </para>
     <programlisting>
       static struct drm_driver driver = {
-	/* don't use mtrr's here, the Xserver or user space app should
-	 * deal with them for intel hardware.
+	/* Don't use MTRRs here; the Xserver or userspace app should
+	 * deal with them for Intel hardware.
 	 */
 	.driver_features =
 	    DRIVER_USE_AGP | DRIVER_REQUIRE_AGP |
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ce045a8cf82c..acf4ea84c801 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -785,8 +785,8 @@ static struct vm_operations_struct i915_gem_vm_ops = {
 };
 
 static struct drm_driver driver = {
-	/* don't use mtrr's here, the Xserver or user space app should
-	 * deal with them for intel hardware.
+	/* Don't use MTRRs here; the Xserver or userspace app should
+	 * deal with them for Intel hardware.
 	 */
 	.driver_features =
 	    DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
-- 
GitLab


From 2c267e9e016da3e19a95261875a5f3b19dd6e9f6 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:10:12 +0000
Subject: [PATCH 0029/1594] DocBook/drm: Use a semicolon

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 4ddc99928668..aa13e0883510 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -154,8 +154,8 @@
     </programlisting>
     <para>
       In the example above, taken from the i915 DRM driver, the driver
-      sets several flags indicating what core features it supports.
-      We go over the individual callbacks in later sections.  Since
+      sets several flags indicating what core features it supports;
+      we go over the individual callbacks in later sections.  Since
       flags indicate which features your driver supports to the DRM
       core, you need to set most of them prior to calling drm_init().  Some,
       like DRIVER_MODESET can be set later based on user supplied parameters,
@@ -647,8 +647,8 @@ void intel_crt_init(struct drm_device *dev)
   <sect1>
     <title>Memory management</title>
     <para>
-      The memory manager lies at the heart of many DRM operations, and
-      is also required to support advanced client features like OpenGL
+      The memory manager lies at the heart of many DRM operations; it
+      is required to support advanced client features like OpenGL
       pbuffers.  The DRM currently contains two memory managers, TTM
       and GEM.
     </para>
-- 
GitLab


From 02391f1fe7b4e5434e4c558dcae99b9368c84bf3 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:20:54 +0000
Subject: [PATCH 0030/1594] DocBook/drm: a -> an

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index aa13e0883510..5b815b83c30b 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -203,7 +203,7 @@
 	<term>DRIVER_HAVE_IRQ</term><term>DRIVER_IRQ_SHARED</term>
 	<listitem>
 	  <para>
-	    DRIVER_HAVE_IRQ indicates whether the driver has a IRQ
+	    DRIVER_HAVE_IRQ indicates whether the driver has an IRQ
 	    handler, DRIVER_IRQ_SHARED indicates whether the device &amp;
 	    handler support shared IRQs (note that this is required of
 	    PCI drivers).
-- 
GitLab


From b1f95bdc1eb10e3d3c8a85b2f0bc08fa6c08ae5d Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:21:29 +0000
Subject: [PATCH 0031/1594] DocBook/drm: , -> .

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 5b815b83c30b..a0f0f984f04f 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -204,7 +204,7 @@
 	<listitem>
 	  <para>
 	    DRIVER_HAVE_IRQ indicates whether the driver has an IRQ
-	    handler, DRIVER_IRQ_SHARED indicates whether the device &amp;
+	    handler.  DRIVER_IRQ_SHARED indicates whether the device &amp;
 	    handler support shared IRQs (note that this is required of
 	    PCI drivers).
 	  </para>
-- 
GitLab


From 80c84e6f3c2c707ccb5d7b500e25bda69f0e1895 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:23:21 +0000
Subject: [PATCH 0032/1594] DocBook/drm: Move `should be set' to the beginning
 of the sentence

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index a0f0f984f04f..42368f4f7bab 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -214,8 +214,8 @@
 	<term>DRIVER_DMA_QUEUE</term>
 	<listitem>
 	  <para>
-	    If the driver queues DMA requests and completes them
-	    asynchronously, this flag should be set.  Deprecated.
+	    Should be set if the driver queues DMA requests and completes them
+	    asynchronously.  Deprecated.
 	  </para>
 	</listitem>
       </varlistentry>
-- 
GitLab


From 58f1d652def02db0bdcdf03d01f3483fc18ec392 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:31:42 +0000
Subject: [PATCH 0033/1594] DocBook/drm: Clean up `pre-memory management aware'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 42368f4f7bab..e9242c09ac54 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -273,7 +273,7 @@
       conflict with DRM client requirements.  For instance, if user
       level mode setting drivers are in use, it would be problematic
       to perform output discovery &amp; configuration at load time.
-      Likewise, if pre-memory management aware user level drivers are
+      Likewise, if user-level drivers unaware of memory management are
       in use, memory management and command buffer setup may need to
       be omitted.  These requirements are driver specific, and care
       needs to be taken to keep both old and new applications and
-- 
GitLab


From 75aa9df5a2bf2ae90a1f0f6f283278f634ca4233 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:34:49 +0000
Subject: [PATCH 0034/1594] DocBook/drm: Rearrange wording to make more sense

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index e9242c09ac54..eb28cc02d41b 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -281,9 +281,9 @@
       module parameter to control whether advanced features are
       enabled at load time or in legacy fashion.  If compatibility is
       a concern (e.g. with drivers converted over to the new interfaces
-      from the old ones), care must be taken to prevent incompatible
-      device initialization and control with the currently active
-      userspace drivers.
+      from the old ones), care must be taken to prevent device
+      initialization and control that is incompatible with
+      currently active userspace drivers.
     </para>
 
     <sect2>
-- 
GitLab


From 6e375f44b6073dd320895753ff05cbfd3f410f66 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:37:05 +0000
Subject: [PATCH 0035/1594] DocBook/drm: Replace the paragraph's first sentence
 with its last sentence

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index eb28cc02d41b..9eda9b6df51d 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -269,8 +269,10 @@
       initial output configuration.
     </para>
     <para>
-      Note that the tasks performed at driver load time must not
-      conflict with DRM client requirements.  For instance, if user
+      If compatibility is a concern (e.g. with drivers converted over
+      to the new interfaces from the old ones), care must be taken to
+      prevent device initialization and control that is incompatible with
+      currently active userspace drivers.  For instance, if user
       level mode setting drivers are in use, it would be problematic
       to perform output discovery &amp; configuration at load time.
       Likewise, if user-level drivers unaware of memory management are
@@ -279,11 +281,7 @@
       needs to be taken to keep both old and new applications and
       libraries working.  The i915 driver supports the "modeset"
       module parameter to control whether advanced features are
-      enabled at load time or in legacy fashion.  If compatibility is
-      a concern (e.g. with drivers converted over to the new interfaces
-      from the old ones), care must be taken to prevent device
-      initialization and control that is incompatible with
-      currently active userspace drivers.
+      enabled at load time or in legacy fashion.
     </para>
 
     <sect2>
-- 
GitLab


From 06fa7b8066d4dc3f6c9d4c4bf34f385d5a823f13 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:40:55 +0000
Subject: [PATCH 0036/1594] DocBook/drm: Better wording

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 9eda9b6df51d..b4196c1a239d 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -292,8 +292,8 @@
 	information, like register offsets, command buffer status,
 	register state for suspend/resume, etc.  At load time, a
 	driver may simply allocate one and set drm_device.dev_priv
-	appropriately; at unload the driver can free it and set
-	drm_device.dev_priv to NULL.
+	appropriately; it should be freed and drm_device.dev_priv set
+	to NULL when the driver is unloaded.
       </para>
       <para>
 	The DRM supports several counters which may be used for rough
-- 
GitLab


From 57a15fd663d6680dc100a537f0ed328993c33af2 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:42:36 +0000
Subject: [PATCH 0037/1594] DocBook/drm: Clearer wording with `for consumption
 by'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index b4196c1a239d..33290e3e3ffa 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -305,8 +305,8 @@
 	These interfaces are deprecated and should not be used.  If performance
 	monitoring is desired, the developer should investigate and
 	potentially enhance the kernel perf and tracing infrastructure to export
-	GPU related performance information to performance monitoring
-	tools and applications.
+	GPU related performance information for consumption by performance
+	monitoring tools and applications.
       </para>
     </sect2>
 
-- 
GitLab


From 8814630f0b59421e558f4403b79f5dc3a025a386 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:46:10 +0000
Subject: [PATCH 0038/1594] DocBook/drm: Insert missing `that'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 33290e3e3ffa..25e0f460a973 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -321,10 +321,10 @@
       <para>
 	Finding &amp; mapping resources is fairly straightforward.  The
 	DRM wrapper functions, drm_get_resource_start() and
-	drm_get_resource_len() may be used to find BARs on the given
+	drm_get_resource_len(), may be used to find BARs on the given
 	drm_device struct.  Once those values have been retrieved, the
 	driver load function can call drm_addmap() to create a new
-	mapping for the BAR in question.  Note you probably want a
+	mapping for the BAR in question.  Note that you probably want a
 	drm_local_map_t in your driver private structure to track any
 	mappings you create.
 <!-- !Fdrivers/gpu/drm/drm_bufs.c drm_get_resource_* -->
-- 
GitLab


From f07faf693c59b449b6637ea056e5826c85dcd265 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:48:15 +0000
Subject: [PATCH 0039/1594] DocBook/drm: Insert missing `an'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 25e0f460a973..1b2e3c37e377 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -342,7 +342,7 @@
 	DRM_WRITEn() macros to access the registers on your device, or
 	use driver specific versions to offset into your MMIO space
 	relative to a driver specific base pointer (see I915_READ for
-	example).
+	an example).
       </para>
       <para>
 	If your device supports interrupt generation, you may want to
-- 
GitLab


From 5b658bf2bf9e47f9a67cd26b1c69e4441eaf04fc Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:49:11 +0000
Subject: [PATCH 0040/1594] DocBook/drm: `setup' is the noun; `to set up' is
 the verb

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 1b2e3c37e377..d2f1ddaa3ca0 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -346,7 +346,7 @@
       </para>
       <para>
 	If your device supports interrupt generation, you may want to
-	setup an interrupt handler at driver load time as well.  This
+	set up an interrupt handler at driver load time as well.  This
 	is done using the drm_irq_install() function.  If your device
 	supports vertical blank interrupts, it should call
 	drm_vblank_init() to initialize the core vblank handling code before
-- 
GitLab


From bb49a6a1f3303f9cf23a19f403c9b90cdff0e7da Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:50:14 +0000
Subject: [PATCH 0041/1594] DocBook/drm: `at driver load time' -> `when the
 driver is loaded'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index d2f1ddaa3ca0..7001937f6b7d 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -346,7 +346,7 @@
       </para>
       <para>
 	If your device supports interrupt generation, you may want to
-	set up an interrupt handler at driver load time as well.  This
+	set up an interrupt handler when the driver is loaded.  This
 	is done using the drm_irq_install() function.  If your device
 	supports vertical blank interrupts, it should call
 	drm_vblank_init() to initialize the core vblank handling code before
-- 
GitLab


From 9c2416adac986d7d90814d7985a0ea80ebea416f Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:56:12 +0000
Subject: [PATCH 0042/1594] DocBook/drm: Use the passive voice

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 7001937f6b7d..03321ebaf4a7 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -369,9 +369,9 @@
 	using the pci_map_rom() call, a convenience function that
 	takes care of mapping the actual ROM, whether it has been
 	shadowed into memory (typically at address 0xc0000) or exists
-	on the PCI device in the ROM BAR.  Note that once you've
-	mapped the ROM and extracted any necessary information, be
-	sure to unmap it; on many devices the ROM address decoder is
+	on the PCI device in the ROM BAR.  Note that after the ROM
+	has been mapped and any necessary information has been extracted,
+	it should be unmapped; on many devices the ROM address decoder is
 	shared with other BARs, so leaving it mapped can cause
 	undesired behavior like hangs or memory corruption.
 <!--!Fdrivers/pci/rom.c pci_map_rom-->
-- 
GitLab


From 118bdd70bdd73b08dcc3920fa30a21be5bbbffae Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:57:04 +0000
Subject: [PATCH 0043/1594] DocBook/drm: Offset modifiers with commas

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 03321ebaf4a7..ce145babef6e 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -371,7 +371,7 @@
 	shadowed into memory (typically at address 0xc0000) or exists
 	on the PCI device in the ROM BAR.  Note that after the ROM
 	has been mapped and any necessary information has been extracted,
-	it should be unmapped; on many devices the ROM address decoder is
+	it should be unmapped; on many devices, the ROM address decoder is
 	shared with other BARs, so leaving it mapped can cause
 	undesired behavior like hangs or memory corruption.
 <!--!Fdrivers/pci/rom.c pci_map_rom-->
@@ -440,7 +440,7 @@
 	  and its size should be sizeof(struct ttm_bo_global).  Again,
 	  driver specific init and release functions may be provided,
 	  likely eventually calling ttm_bo_global_init and
-	  ttm_bo_global_release, respectively.  Also like the previous
+	  ttm_bo_global_release, respectively.  Also, like the previous
 	  object, ttm_global_item_ref is used to create an initial reference
 	  count for the TTM, which will call your initialization function.
 	</para>
@@ -613,7 +613,7 @@ void intel_crt_init(struct drm_device *dev)
     </para>
     <para>
       DRM_IOCTL_MODESET_CTL should be called by application level
-      drivers before and after mode setting, since on many devices the
+      drivers before and after mode setting, since on many devices, the
       vertical blank counter is reset at that time.  Internally,
       the DRM snapshots the last vblank count when the ioctl is called
       with the _DRM_PRE_MODESET command so that the counter won't go
@@ -696,7 +696,7 @@ void intel_crt_init(struct drm_device *dev)
 	set domain function, which evaluates an object's current domain and
 	performs any necessary flushing or synchronization to put the object
 	into the desired coherency domain (note that the object may be busy,
-	i.e. an active render target; in that case the set domain function
+	i.e. an active render target; in that case, the set domain function
 	blocks the client and waits for rendering to complete before
 	performing any necessary flushing operations).
       </para>
-- 
GitLab


From 8d36ffae67d89a86e37e7745503743fec1ac695c Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:57:37 +0000
Subject: [PATCH 0044/1594] DocBook/drm: can -> could

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index ce145babef6e..60ddf4be11c7 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -372,7 +372,7 @@
 	on the PCI device in the ROM BAR.  Note that after the ROM
 	has been mapped and any necessary information has been extracted,
 	it should be unmapped; on many devices, the ROM address decoder is
-	shared with other BARs, so leaving it mapped can cause
+	shared with other BARs, so leaving it mapped could cause
 	undesired behavior like hangs or memory corruption.
 <!--!Fdrivers/pci/rom.c pci_map_rom-->
       </para>
-- 
GitLab


From eb2b8d4273fb8b73821ca8dbc9c0de10e9879833 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 18:58:42 +0000
Subject: [PATCH 0045/1594] DocBook/drm: , -> :

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 60ddf4be11c7..953c4cb726bb 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -389,7 +389,7 @@
       <para>
 	If your driver supports memory management (it should!), you
 	need to set that up at load time as well.  How you initialize
-	it depends on which memory manager you're using, TTM or GEM.
+	it depends on which memory manager you're using: TTM or GEM.
       </para>
       <sect3>
 	<title>TTM initialization</title>
@@ -647,7 +647,7 @@ void intel_crt_init(struct drm_device *dev)
     <para>
       The memory manager lies at the heart of many DRM operations; it
       is required to support advanced client features like OpenGL
-      pbuffers.  The DRM currently contains two memory managers, TTM
+      pbuffers.  The DRM currently contains two memory managers: TTM
       and GEM.
     </para>
 
-- 
GitLab


From 005d7f4a01d3c755c3abab38b7e380f0bbff475d Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:02:52 +0000
Subject: [PATCH 0046/1594] DocBook/drm: Insert missing comma

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 953c4cb726bb..230c738c22f0 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -429,7 +429,7 @@
 	  object should be sizeof(struct ttm_mem_global), and the init and
 	  release hooks should point at your driver specific init and
 	  release routines, which probably eventually call
-	  ttm_mem_global_init and ttm_mem_global_release respectively.
+	  ttm_mem_global_init and ttm_mem_global_release, respectively.
 	</para>
 	<para>
 	  Once your global TTM accounting structure is set up and initialized
@@ -499,8 +499,8 @@
       <sect3>
 	<title>Output discovery and initialization</title>
 	<para>
-	  Several core functions exist to create CRTCs, encoders and
-	  connectors, namely drm_crtc_init(), drm_connector_init() and
+	  Several core functions exist to create CRTCs, encoders, and
+	  connectors, namely drm_crtc_init(), drm_connector_init(), and
 	  drm_encoder_init(), along with several "helper" functions to
 	  perform common tasks.
 	</para>
@@ -578,7 +578,7 @@ void intel_crt_init(struct drm_device *dev)
 	  </para>
 	</sect4>
 	<para>
-	  For each encoder, CRTC and connector, several functions must
+	  For each encoder, CRTC, and connector, several functions must
 	  be provided, depending on the object type.  Encoder objects
 	  need to provide a DPMS (basically on/off) function, mode fixup
 	  (for converting requested modes into native hardware timings),
@@ -727,7 +727,7 @@ void intel_crt_init(struct drm_device *dev)
     <title>Output management</title>
     <para>
       At the core of the DRM output management code is a set of
-      structures representing CRTCs, encoders and connectors.
+      structures representing CRTCs, encoders, and connectors.
     </para>
     <para>
       A CRTC is an abstraction representing a part of the chip that
-- 
GitLab


From 1c86de2216f678bfb6e2472af6e5c25b0df8d91f Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:14:26 +0000
Subject: [PATCH 0047/1594] DocBook/drm: Remove parentheses and unnecessary
 repetition

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 230c738c22f0..6b2a80369f6b 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -433,8 +433,8 @@
 	</para>
 	<para>
 	  Once your global TTM accounting structure is set up and initialized
-	  (done by calling ttm_global_item_ref on the global object you
-	  just created), you need to create a buffer object TTM to
+	  by calling ttm_global_item_ref on it,
+	  you need to create a buffer object TTM to
 	  provide a pool for buffer object allocation by clients and the
 	  kernel itself.  The type of this object should be TTM_GLOBAL_TTM_BO,
 	  and its size should be sizeof(struct ttm_bo_global).  Again,
-- 
GitLab


From ae63d793a43888eeb1c16422252d987aa37ab96c Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:19:18 +0000
Subject: [PATCH 0048/1594] DocBook/drm: Insert `()' after function name

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 6b2a80369f6b..6977cd91779c 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -433,15 +433,15 @@
 	</para>
 	<para>
 	  Once your global TTM accounting structure is set up and initialized
-	  by calling ttm_global_item_ref on it,
+	  by calling ttm_global_item_ref() on it,
 	  you need to create a buffer object TTM to
 	  provide a pool for buffer object allocation by clients and the
 	  kernel itself.  The type of this object should be TTM_GLOBAL_TTM_BO,
 	  and its size should be sizeof(struct ttm_bo_global).  Again,
 	  driver specific init and release functions may be provided,
-	  likely eventually calling ttm_bo_global_init and
-	  ttm_bo_global_release, respectively.  Also, like the previous
-	  object, ttm_global_item_ref is used to create an initial reference
+	  likely eventually calling ttm_bo_global_init() and
+	  ttm_bo_global_release(), respectively.  Also, like the previous
+	  object, ttm_global_item_ref() is used to create an initial reference
 	  count for the TTM, which will call your initialization function.
 	</para>
       </sect3>
-- 
GitLab


From 049cc903e714a27805eae0c34a4c34902a385032 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:21:17 +0000
Subject: [PATCH 0049/1594] DocBook/drm: Streamline wording of GEM
 initialization

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 6977cd91779c..7c11d790f749 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -451,7 +451,7 @@
 	  GEM is an alternative to TTM, designed specifically for UMA
 	  devices.  It has simpler initialization and execution requirements
 	  than TTM, but has no VRAM management capability.  Core GEM
-	  initialization is comprised of a basic drm_mm_init call to create
+	  is initialized by calling drm_mm_init() to create
 	  a GTT DRM MM object, which provides an address space pool for
 	  object allocation.  In a KMS configuration, the driver
 	  needs to allocate and initialize a command ring buffer following
-- 
GitLab


From 482b2ad8e488e609bb3bb408a8e9ca17b73b17c6 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:37:24 +0000
Subject: [PATCH 0050/1594] DocBook/drm: basic -> core

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 7c11d790f749..d385e902f5ff 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -455,7 +455,7 @@
 	  a GTT DRM MM object, which provides an address space pool for
 	  object allocation.  In a KMS configuration, the driver
 	  needs to allocate and initialize a command ring buffer following
-	  basic GEM initialization.  Most UMA devices have a so-called
+	  core GEM initialization.  Most UMA devices have a so-called
 	  "stolen" memory region, which provides space for the initial
 	  framebuffer and large, contiguous memory regions required by the
 	  device.  This space is not typically managed by GEM, and must
-- 
GitLab


From 54f2cb8fc930e08fd6156519b28c45d576615f82 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:41:37 +0000
Subject: [PATCH 0051/1594] DocBook/drm: Use a singular subject for grammatical
 cleanliness

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index d385e902f5ff..3470c6b2f843 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -455,7 +455,7 @@
 	  a GTT DRM MM object, which provides an address space pool for
 	  object allocation.  In a KMS configuration, the driver
 	  needs to allocate and initialize a command ring buffer following
-	  core GEM initialization.  Most UMA devices have a so-called
+	  core GEM initialization.  A UMA device usually has a so-called
 	  "stolen" memory region, which provides space for the initial
 	  framebuffer and large, contiguous memory regions required by the
 	  device.  This space is not typically managed by GEM, and must
@@ -635,10 +635,10 @@ void intel_crt_init(struct drm_device *dev)
       a client calls the vblank wait ioctl above.
     </para>
     <para>
-      Devices that don't provide a count register may simply use an
+      A device that doesn't provide a count register may simply use an
       internal atomic counter incremented on every vertical blank
-      interrupt, and can make their enable and disable vblank
-      functions into no-ops.
+      interrupt (and then treat the enable_vblank() and disable_vblank()
+      callbacks as no-ops).
     </para>
   </sect1>
 
-- 
GitLab


From 9029bd7a42e3c32783866630ee3eb6b82e273544 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:42:20 +0000
Subject: [PATCH 0052/1594] DocBook/drm: The word `so-called'; I do not think
 it connotes what you think it connotes

  From Webster's Revised Unabridged Dictionary (1913) [web1913]:

    So-called \So"-called`\, a.
       So named; called by such a name (but perhaps called thus with
       doubtful propriety).

  From WordNet (r) 2.0 [wn]:

    so-called
         adj : doubtful or suspect; "these so-called experts are no help"
               [syn: {alleged(a)}, {supposed}]

My strong conviction is that widespread use of 'so gennant'
or 'sogennant' in German has led to the creeping misuse of
'so-called' in English (especially through technical writings).

In English, it would be better to use:

  what is called

or a better translation of 'so gennant':

  so named

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 3470c6b2f843..66a114a05c6f 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -455,7 +455,7 @@
 	  a GTT DRM MM object, which provides an address space pool for
 	  object allocation.  In a KMS configuration, the driver
 	  needs to allocate and initialize a command ring buffer following
-	  core GEM initialization.  A UMA device usually has a so-called
+	  core GEM initialization.  A UMA device usually has what is called a
 	  "stolen" memory region, which provides space for the initial
 	  framebuffer and large, contiguous memory regions required by the
 	  device.  This space is not typically managed by GEM, and must
-- 
GitLab


From 1dbd39c3ea3967c41a09e81c826499f7ae9c8180 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:48:32 +0000
Subject: [PATCH 0053/1594] DocBook/drm: Insert `it' for smooth reading

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 66a114a05c6f..15541b1fc052 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -458,7 +458,7 @@
 	  core GEM initialization.  A UMA device usually has what is called a
 	  "stolen" memory region, which provides space for the initial
 	  framebuffer and large, contiguous memory regions required by the
-	  device.  This space is not typically managed by GEM, and must
+	  device.  This space is not typically managed by GEM, and it must
 	  be initialized separately into its own DRM MM object.
 	</para>
 	<para>
-- 
GitLab


From 3bf7df615612671271512aada7d83285f3fa731b Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 19:49:10 +0000
Subject: [PATCH 0054/1594] DocBook/drm: Remove redundancy

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 15541b1fc052..c24f50ce7862 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -462,8 +462,7 @@
 	  be initialized separately into its own DRM MM object.
 	</para>
 	<para>
-	  Initialization is driver specific, and depends on
-	  the architecture of the device.  In the case of Intel
+	  Initialization is driver specific. In the case of Intel
 	  integrated graphics chips like 965GM, GEM initialization can
 	  be done by calling the internal GEM init function,
 	  i915_gem_do_init().  Since the 965GM is a UMA device
-- 
GitLab


From 327d6fb962f227a31d4b03869774287efca49c50 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 20:18:14 +0000
Subject: [PATCH 0055/1594] DocBook/drm: Clarify `final initialization' via
 better formatting

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index c24f50ce7862..1bbeea72a01f 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -490,10 +490,19 @@
     <sect2>
       <title>Output configuration</title>
       <para>
-	The final initialization task is output configuration.  This involves
-	finding and initializing the CRTCs, encoders and connectors
-	for your device, creating an initial configuration and
-	registering a framebuffer console driver.
+	The final initialization task is output configuration.  This involves:
+	<itemizedlist>
+	  <listitem>
+	    Finding and initializing the CRTCs, encoders, and connectors
+	    for the device.
+	  </listitem>
+	  <listitem>
+	    Creating an initial configuration.
+	  </listitem>
+	  <listitem>
+	    Registering a framebuffer console driver.
+	  </listitem>
+	</itemizedlist>
       </para>
       <sect3>
 	<title>Output discovery and initialization</title>
-- 
GitLab


From 8a9ba910ac3962e5adb4ce1f086adf1e21fa04d1 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 20:21:22 +0000
Subject: [PATCH 0056/1594] DocBook/drm: Use a colon

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 1bbeea72a01f..790e634e5635 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -508,7 +508,7 @@
 	<title>Output discovery and initialization</title>
 	<para>
 	  Several core functions exist to create CRTCs, encoders, and
-	  connectors, namely drm_crtc_init(), drm_connector_init(), and
+	  connectors, namely: drm_crtc_init(), drm_connector_init(), and
 	  drm_encoder_init(), along with several "helper" functions to
 	  perform common tasks.
 	</para>
-- 
GitLab


From 896ee65fb646f9a98243a9f69e5904dff394c78a Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 20:26:17 +0000
Subject: [PATCH 0057/1594] DocBook/drm: Remove extraneous commas

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 790e634e5635..d2aee84f18af 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -562,9 +562,9 @@ void intel_crt_init(struct drm_device *dev)
 	<para>
 	  In the example above (again, taken from the i915 driver), a
 	  CRT connector and encoder combination is created.  A device
-	  specific i2c bus is also created, for fetching EDID data and
+	  specific i2c bus is also created for fetching EDID data and
 	  performing monitor detection.  Once the process is complete,
-	  the new connector is registered with sysfs, to make its
+	  the new connector is registered with sysfs to make its
 	  properties available to applications.
 	</para>
 	<sect4>
-- 
GitLab


From 4dc0152d5780f04573046b06a3fb7c7ad9b81afa Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 20:29:32 +0000
Subject: [PATCH 0058/1594] DocBook/drm: Insert `the' for readability, and
 change `set' to `setting'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index d2aee84f18af..09e02f7c668c 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -573,8 +573,8 @@ void intel_crt_init(struct drm_device *dev)
 	    Since many PC-class graphics devices have similar display output
 	    designs, the DRM provides a set of helper functions to make
 	    output management easier.  The core helper routines handle
-	    encoder re-routing and disabling of unused functions following
-	    mode set.  Using the helpers is optional, but recommended for
+	    encoder re-routing and the disabling of unused functions following
+	    mode setting.  Using the helpers is optional, but recommended for
 	    devices with PC-style architectures (i.e. a set of display planes
 	    for feeding pixels to encoders which are in turn routed to
 	    connectors).  Devices with more complex requirements needing
-- 
GitLab


From 65ffef508f23d5e67940cadc8eca2ae34738018a Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 20:55:58 +0000
Subject: [PATCH 0059/1594] DocBook/drm: Use an itemizedlist for what an
 encoder needs to provide

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 09e02f7c668c..da011f2af9cb 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -586,17 +586,25 @@ void intel_crt_init(struct drm_device *dev)
 	  </para>
 	</sect4>
 	<para>
-	  For each encoder, CRTC, and connector, several functions must
-	  be provided, depending on the object type.  Encoder objects
-	  need to provide a DPMS (basically on/off) function, mode fixup
-	  (for converting requested modes into native hardware timings),
-	  and prepare, set and commit functions for use by the core DRM
-	  helper functions.  Connector helpers need to provide mode fetch and
-	  validity functions as well as an encoder matching function for
-	  returning an ideal encoder for a given connector.  The core
-	  connector functions include a DPMS callback, (deprecated)
-	  save/restore routines, detection, mode probing, property handling,
-	  and cleanup functions.
+	  Each encoder object needs to provide:
+	  <itemizedlist>
+	    <listitem>
+	      A DPMS (basically on/off) function.
+	    </listitem>
+	    <listitem>
+	      A mode-fixup function (for converting requested modes into
+	      native hardware timings).
+	    </listitem>
+	    <listitem>
+	      Functions (prepare, set, and commit) for use by the core DRM
+	      helper functions.
+	    </listitem>
+	  </itemizedlist>
+	  Connector helpers need to provide functions (mode-fetch, validity,
+	  and encoder-matching) for returning an ideal encoder for a given
+	  connector.  The core connector functions include a DPMS callback,
+	  save/restore routines (deprecated), detection, mode probing,
+	  property handling, and cleanup functions.
 	</para>
 <!--!Edrivers/char/drm/drm_crtc.h-->
 <!--!Edrivers/char/drm/drm_crtc.c-->
-- 
GitLab


From 51b9500de28a1e5e7a2090de5d345d6d98581617 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 21:11:30 +0000
Subject: [PATCH 0060/1594] DocBook/drm: Use a <variablelist> for vblank ioctls

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 39 ++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 14 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index da011f2af9cb..457d56a1a966 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -619,22 +619,33 @@ void intel_crt_init(struct drm_device *dev)
     <title>VBlank event handling</title>
     <para>
       The DRM core exposes two vertical blank related ioctls:
-      DRM_IOCTL_WAIT_VBLANK and DRM_IOCTL_MODESET_CTL.
+      <variablelist>
+        <varlistentry>
+          <term>DRM_IOCTL_WAIT_VBLANK</term>
+          <listitem>
+            <para>
+              This takes a struct drm_wait_vblank structure as its argument,
+              and it is used to block or request a signal when a specified
+              vblank event occurs.
+            </para>
+          </listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>DRM_IOCTL_MODESET_CTL</term>
+          <listitem>
+            <para>
+              This should be called by application level drivers before and
+              after mode setting, since on many devices the vertical blank
+              counter is reset at that time.  Internally, the DRM snapshots
+              the last vblank count when the ioctl is called with the
+              _DRM_PRE_MODESET command so that the counter won't go backwards
+              (which is dealt with when _DRM_POST_MODESET is used).
+            </para>
+          </listitem>
+        </varlistentry>
+      </variablelist>
 <!--!Edrivers/char/drm/drm_irq.c-->
     </para>
-    <para>
-      DRM_IOCTL_WAIT_VBLANK takes a struct drm_wait_vblank structure
-      as its argument, and is used to block or request a signal when a
-      specified vblank event occurs.
-    </para>
-    <para>
-      DRM_IOCTL_MODESET_CTL should be called by application level
-      drivers before and after mode setting, since on many devices, the
-      vertical blank counter is reset at that time.  Internally,
-      the DRM snapshots the last vblank count when the ioctl is called
-      with the _DRM_PRE_MODESET command so that the counter won't go
-      backwards (which is dealt with when _DRM_POST_MODESET is used).
-    </para>
     <para>
       To support the functions above, the DRM core provides several
       helper functions for tracking vertical blank counters, and
-- 
GitLab


From f877bd4ad5508e2f0653c31d05ffe0ad4e2bfe11 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Thu, 25 Aug 2011 21:16:15 +0000
Subject: [PATCH 0061/1594] DocBook/drm: Insert a comma

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 457d56a1a966..0387970234b3 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -638,7 +638,7 @@ void intel_crt_init(struct drm_device *dev)
               after mode setting, since on many devices the vertical blank
               counter is reset at that time.  Internally, the DRM snapshots
               the last vblank count when the ioctl is called with the
-              _DRM_PRE_MODESET command so that the counter won't go backwards
+              _DRM_PRE_MODESET command, so that the counter won't go backwards
               (which is dealt with when _DRM_POST_MODESET is used).
             </para>
           </listitem>
-- 
GitLab


From 0c2d91a80a156208d2f9f3dfb01871ebcf4a9338 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 15:59:56 +0000
Subject: [PATCH 0062/1594] DocBook/drm: Use an <itemizelist> for fundamental
 GEM operations

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 0387970234b3..c358367f9f85 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -709,9 +709,13 @@ void intel_crt_init(struct drm_device *dev)
 	read &amp; write, mapping, and domain ownership transfers.
       </para>
       <para>
-	On a fundamental level, GEM involves several operations: memory
-	allocation and freeing, command execution, and aperture management
-	at command execution time.  Buffer object allocation is relatively
+	On a fundamental level, GEM involves several operations:
+	<itemizedlist>
+	  <listitem>Memory allocation and freeing</listitem>
+	  <listitem>Command execution</listitem>
+	  <listitem>Aperture management at command execution time</listitem>
+	</itemizedlist>
+	Buffer object allocation is relatively
 	straightforward and largely provided by Linux's shmem layer, which
 	provides memory to back each object.  When mapped into the GTT
 	or used in a command buffer, the backing pages for an object are
-- 
GitLab


From 2d43f5d667273ba4975cb79782a46aa374dd8607 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 16:00:55 +0000
Subject: [PATCH 0063/1594] DocBook/drm: Improve flow of GPU/CPU coherence
 sentence

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index c358367f9f85..ba20f9fbb62b 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -720,8 +720,9 @@ void intel_crt_init(struct drm_device *dev)
 	provides memory to back each object.  When mapped into the GTT
 	or used in a command buffer, the backing pages for an object are
 	flushed to memory and marked write combined so as to be coherent
-	with the GPU.  Likewise, when the GPU finishes rendering to an object,
-	if the CPU accesses it, it must be made coherent with the CPU's view
+	with the GPU.  Likewise, if the CPU accesses an object after the GPU
+	has finished rendering to the object, then the object must be made
+	coherent with the CPU's view
 	of memory, usually involving GPU cache flushing of various kinds.
 	This core CPU&lt;-&gt;GPU coherency management is provided by the GEM
 	set domain function, which evaluates an object's current domain and
-- 
GitLab


From b8c6e0fe46fcd60f58089365dd96dcf04f95263b Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 17:34:00 +0000
Subject: [PATCH 0064/1594] DocBook/drm: Refer to the domain-setting function
 as a device-specific ioctl

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index ba20f9fbb62b..9ae328aa1dd3 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -724,11 +724,11 @@ void intel_crt_init(struct drm_device *dev)
 	has finished rendering to the object, then the object must be made
 	coherent with the CPU's view
 	of memory, usually involving GPU cache flushing of various kinds.
-	This core CPU&lt;-&gt;GPU coherency management is provided by the GEM
-	set domain function, which evaluates an object's current domain and
+	This core CPU&lt;-&gt;GPU coherency management is provided by a
+	device-specific ioctl, which evaluates an object's current domain and
 	performs any necessary flushing or synchronization to put the object
 	into the desired coherency domain (note that the object may be busy,
-	i.e. an active render target; in that case, the set domain function
+	i.e. an active render target; in that case, setting the domain
 	blocks the client and waits for rendering to complete before
 	performing any necessary flushing operations).
       </para>
-- 
GitLab


From e355b2014da06458385902c47edf193a997895fc Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 17:38:48 +0000
Subject: [PATCH 0065/1594] DocBook/drm: Better flow with `, and then'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 9ae328aa1dd3..0b6c59d6aa5f 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -735,8 +735,8 @@ void intel_crt_init(struct drm_device *dev)
       <para>
 	Perhaps the most important GEM function is providing a command
 	execution interface to clients.  Client programs construct command
-	buffers containing references to previously allocated memory objects
-	and submit them to GEM.  At that point, GEM takes care to bind
+	buffers containing references to previously allocated memory objects,
+	and then submit them to GEM.  At that point, GEM takes care to bind
 	all the objects into the GTT, execute the buffer, and provide
 	necessary synchronization between clients accessing the same buffers.
 	This often involves evicting some objects from the GTT and re-binding
-- 
GitLab


From 964d32dcbefcfda015bc33dc76414b05c6f512de Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 17:41:31 +0000
Subject: [PATCH 0066/1594] DocBook/drm: Use `; otherwise,'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 0b6c59d6aa5f..606a989d8895 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -743,7 +743,7 @@ void intel_crt_init(struct drm_device *dev)
 	others (a fairly expensive operation), and providing relocation
 	support which hides fixed GTT offsets from clients.  Clients must
 	take care not to submit command buffers that reference more objects
-	than can fit in the GTT or GEM will reject them and no rendering
+	than can fit in the GTT; otherwise, GEM will reject them and no rendering
 	will occur.  Similarly, if several objects in the buffer require
 	fence registers to be allocated for correct rendering (e.g. 2D blits
 	on pre-965 chips), care must be taken not to require more fence
-- 
GitLab


From 5a462d58c84a2f5ed161daced2c7df34357c6d3d Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 17:58:46 +0000
Subject: [PATCH 0067/1594] DocBook/drm: Clean up the paragraph on framebuffer
 objects

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 606a989d8895..a39e76bae03d 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -795,14 +795,12 @@ void intel_crt_init(struct drm_device *dev)
   <sect1>
     <title>Framebuffer management</title>
     <para>
-      In order to set a mode on a given CRTC, encoder and connector
-      configuration, clients need to provide a framebuffer object which
-      provides a source of pixels for the CRTC to deliver to the encoder(s)
-      and ultimately the connector(s) in the configuration.  A framebuffer
-      is fundamentally a driver specific memory object, made into an opaque
-      handle by the DRM addfb function.  Once an fb has been created this
-      way it can be passed to the KMS mode setting routines for use in
-      a configuration.
+      Clients need to provide a framebuffer object which provides a source
+      of pixels for a CRTC to deliver to the encoder(s) and ultimately the
+      connector(s). A framebuffer is fundamentally a driver specific memory
+      object, made into an opaque handle by the DRM's addfb() function.
+      Once a framebuffer has been created this way, it may be passed to the
+      KMS mode setting routines for use in a completed configuration.
     </para>
   </sect1>
 
-- 
GitLab


From a5294e01f2777649834d218583e7a32b2dacb699 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 18:05:52 +0000
Subject: [PATCH 0068/1594] DocBook/drm: `(device|driver) specific' ->
 `(device|driver)-specific'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index a39e76bae03d..65e14f96f943 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -238,7 +238,7 @@
     </variablelist>
     <para>
       In this specific case, the driver requires AGP and supports
-      IRQs.  DMA, as discussed later, is handled by device specific ioctls
+      IRQs.  DMA, as discussed later, is handled by device-specific ioctls
       in this case.  It also supports the kernel mode setting APIs, though
       unlike in the actual i915 driver source, this example unconditionally
       exports KMS capability.
@@ -277,7 +277,7 @@
       to perform output discovery &amp; configuration at load time.
       Likewise, if user-level drivers unaware of memory management are
       in use, memory management and command buffer setup may need to
-      be omitted.  These requirements are driver specific, and care
+      be omitted.  These requirements are driver-specific, and care
       needs to be taken to keep both old and new applications and
       libraries working.  The i915 driver supports the "modeset"
       module parameter to control whether advanced features are
@@ -288,7 +288,7 @@
       <title>Driver private &amp; performance counters</title>
       <para>
 	The driver private hangs off the main drm_device structure and
-	can be used for tracking various device specific bits of
+	can be used for tracking various device-specific bits of
 	information, like register offsets, command buffer status,
 	register state for suspend/resume, etc.  At load time, a
 	driver may simply allocate one and set drm_device.dev_priv
@@ -313,7 +313,7 @@
     <sect2>
       <title>Configuring the device</title>
       <para>
-	Obviously, device configuration is device specific.
+	Obviously, device configuration is device-specific.
 	However, there are several common operations: finding a
 	device's PCI resources, mapping them, and potentially setting
 	up an IRQ handler.
@@ -340,8 +340,8 @@
       <para>
 	Once you have a register map, you may use the DRM_READn() and
 	DRM_WRITEn() macros to access the registers on your device, or
-	use driver specific versions to offset into your MMIO space
-	relative to a driver specific base pointer (see I915_READ for
+	use driver-specific versions to offset into your MMIO space
+	relative to a driver-specific base pointer (see I915_READ for
 	an example).
       </para>
       <para>
@@ -399,7 +399,7 @@
 	  and devices with dedicated video RAM (VRAM), i.e. most discrete
 	  graphics devices.  If your device has dedicated RAM, supporting
 	  TTM is desirable.  TTM also integrates tightly with your
-	  driver specific buffer execution function.  See the radeon
+	  driver-specific buffer execution function.  See the radeon
 	  driver for examples.
 	</para>
 	<para>
@@ -427,7 +427,7 @@
 	  created by the memory manager at runtime.  Your global TTM should
 	  have a type of TTM_GLOBAL_TTM_MEM.  The size field for the global
 	  object should be sizeof(struct ttm_mem_global), and the init and
-	  release hooks should point at your driver specific init and
+	  release hooks should point at your driver-specific init and
 	  release routines, which probably eventually call
 	  ttm_mem_global_init and ttm_mem_global_release, respectively.
 	</para>
@@ -438,7 +438,7 @@
 	  provide a pool for buffer object allocation by clients and the
 	  kernel itself.  The type of this object should be TTM_GLOBAL_TTM_BO,
 	  and its size should be sizeof(struct ttm_bo_global).  Again,
-	  driver specific init and release functions may be provided,
+	  driver-specific init and release functions may be provided,
 	  likely eventually calling ttm_bo_global_init() and
 	  ttm_bo_global_release(), respectively.  Also, like the previous
 	  object, ttm_global_item_ref() is used to create an initial reference
@@ -462,7 +462,7 @@
 	  be initialized separately into its own DRM MM object.
 	</para>
 	<para>
-	  Initialization is driver specific. In the case of Intel
+	  Initialization is driver-specific. In the case of Intel
 	  integrated graphics chips like 965GM, GEM initialization can
 	  be done by calling the internal GEM init function,
 	  i915_gem_do_init().  Since the 965GM is a UMA device
@@ -561,8 +561,8 @@ void intel_crt_init(struct drm_device *dev)
 	</programlisting>
 	<para>
 	  In the example above (again, taken from the i915 driver), a
-	  CRT connector and encoder combination is created.  A device
-	  specific i2c bus is also created for fetching EDID data and
+	  CRT connector and encoder combination is created.  A device-specific
+	  i2c bus is also created for fetching EDID data and
 	  performing monitor detection.  Once the process is complete,
 	  the new connector is registered with sysfs to make its
 	  properties available to applications.
@@ -704,8 +704,8 @@ void intel_crt_init(struct drm_device *dev)
       <para>
 	GEM-enabled drivers must provide gem_init_object() and
 	gem_free_object() callbacks to support the core memory
-	allocation routines.  They should also provide several driver
-	specific ioctls to support command execution, pinning, buffer
+	allocation routines.  They should also provide several driver-specific
+	ioctls to support command execution, pinning, buffer
 	read &amp; write, mapping, and domain ownership transfers.
       </para>
       <para>
@@ -797,7 +797,7 @@ void intel_crt_init(struct drm_device *dev)
     <para>
       Clients need to provide a framebuffer object which provides a source
       of pixels for a CRTC to deliver to the encoder(s) and ultimately the
-      connector(s). A framebuffer is fundamentally a driver specific memory
+      connector(s). A framebuffer is fundamentally a driver-specific memory
       object, made into an opaque handle by the DRM's addfb() function.
       Once a framebuffer has been created this way, it may be passed to the
       KMS mode setting routines for use in a completed configuration.
@@ -807,7 +807,7 @@ void intel_crt_init(struct drm_device *dev)
   <sect1>
     <title>Command submission &amp; fencing</title>
     <para>
-      This should cover a few device specific command submission
+      This should cover a few device-specific command submission
       implementations.
     </para>
   </sect1>
@@ -840,7 +840,7 @@ void intel_crt_init(struct drm_device *dev)
     <para>
       The DRM core exports several interfaces to applications,
       generally intended to be used through corresponding libdrm
-      wrapper functions.  In addition, drivers export device specific
+      wrapper functions.  In addition, drivers export device-specific
       interfaces for use by userspace drivers &amp; device aware
       applications through ioctls and sysfs files.
     </para>
-- 
GitLab


From 7f0925aca586b4a0cce81b06af7383d6aec59cc1 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 18:07:13 +0000
Subject: [PATCH 0069/1594] DocBook/drm: `device aware' -> `device-aware'

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 65e14f96f943..9da9b2831370 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -841,7 +841,7 @@ void intel_crt_init(struct drm_device *dev)
       The DRM core exports several interfaces to applications,
       generally intended to be used through corresponding libdrm
       wrapper functions.  In addition, drivers export device-specific
-      interfaces for use by userspace drivers &amp; device aware
+      interfaces for use by userspace drivers &amp; device-aware
       applications through ioctls and sysfs files.
     </para>
     <para>
-- 
GitLab


From bcd3cfc1213894ff955771508d46fa18d66e9328 Mon Sep 17 00:00:00 2001
From: Michael Witten <mfwitten@gmail.com>
Date: Mon, 29 Aug 2011 19:29:16 +0000
Subject: [PATCH 0070/1594] DocBook/drm: Clean up a todo-note

Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
 Documentation/DocBook/drm.tmpl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 9da9b2831370..196b8b9dba11 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -850,8 +850,8 @@ void intel_crt_init(struct drm_device *dev)
       management, memory management, and output management.
     </para>
     <para>
-      Cover generic ioctls and sysfs layout here.  Only need high
-      level info, since man pages should cover the rest.
+      Cover generic ioctls and sysfs layout here.  We only need high-level
+      info, since man pages should cover the rest.
     </para>
   </chapter>
 
-- 
GitLab


From 2cafbb37a135945ecc07d17f3484ed0dea1aa8b1 Mon Sep 17 00:00:00 2001
From: Heiko Schocher <hs@denx.de>
Date: Mon, 2 May 2011 16:30:52 -0600
Subject: [PATCH 0071/1594] powerpc/5200: add support for charon board

Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
[squashed with patch to add sm501 node]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
---
 arch/powerpc/boot/dts/charon.dts             | 236 +++++++++++++++++++
 arch/powerpc/platforms/52xx/mpc5200_simple.c |   1 +
 2 files changed, 237 insertions(+)
 create mode 100644 arch/powerpc/boot/dts/charon.dts

diff --git a/arch/powerpc/boot/dts/charon.dts b/arch/powerpc/boot/dts/charon.dts
new file mode 100644
index 000000000000..0e00e508eaa6
--- /dev/null
+++ b/arch/powerpc/boot/dts/charon.dts
@@ -0,0 +1,236 @@
+/*
+ * charon board Device Tree Source
+ *
+ * Copyright (C) 2007 Semihalf
+ * Marian Balakowicz <m8@semihalf.com>
+ *
+ * Copyright (C) 2010 DENX Software Engineering GmbH
+ * Heiko Schocher <hs@denx.de>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+/dts-v1/;
+
+/ {
+	model = "anon,charon";
+	compatible = "anon,charon";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&mpc5200_pic>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		PowerPC,5200@0 {
+			device_type = "cpu";
+			reg = <0>;
+			d-cache-line-size = <32>;
+			i-cache-line-size = <32>;
+			d-cache-size = <0x4000>;	// L1, 16K
+			i-cache-size = <0x4000>;	// L1, 16K
+			timebase-frequency = <0>;	// from bootloader
+			bus-frequency = <0>;		// from bootloader
+			clock-frequency = <0>;		// from bootloader
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x08000000>;	// 128MB
+	};
+
+	soc5200@f0000000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "fsl,mpc5200-immr";
+		ranges = <0 0xf0000000 0x0000c000>;
+		reg = <0xf0000000 0x00000100>;
+		bus-frequency = <0>;		// from bootloader
+		system-frequency = <0>;		// from bootloader
+
+		cdm@200 {
+			compatible = "fsl,mpc5200-cdm";
+			reg = <0x200 0x38>;
+		};
+
+		mpc5200_pic: interrupt-controller@500 {
+			// 5200 interrupts are encoded into two levels;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			compatible = "fsl,mpc5200-pic";
+			reg = <0x500 0x80>;
+		};
+
+		timer@600 {	// General Purpose Timer
+			compatible = "fsl,mpc5200-gpt";
+			reg = <0x600 0x10>;
+			interrupts = <1 9 0>;
+			fsl,has-wdt;
+		};
+
+		can@900 {
+			compatible = "fsl,mpc5200-mscan";
+			interrupts = <2 17 0>;
+			reg = <0x900 0x80>;
+		};
+
+		can@980 {
+			compatible = "fsl,mpc5200-mscan";
+			interrupts = <2 18 0>;
+			reg = <0x980 0x80>;
+		};
+
+		gpio_simple: gpio@b00 {
+			compatible = "fsl,mpc5200-gpio";
+			reg = <0xb00 0x40>;
+			interrupts = <1 7 0>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		usb@1000 {
+			compatible = "fsl,mpc5200-ohci","ohci-be";
+			reg = <0x1000 0xff>;
+			interrupts = <2 6 0>;
+		};
+
+		dma-controller@1200 {
+			device_type = "dma-controller";
+			compatible = "fsl,mpc5200-bestcomm";
+			reg = <0x1200 0x80>;
+			interrupts = <3 0 0  3 1 0  3 2 0  3 3 0
+			              3 4 0  3 5 0  3 6 0  3 7 0
+			              3 8 0  3 9 0  3 10 0  3 11 0
+			              3 12 0  3 13 0  3 14 0  3 15 0>;
+		};
+
+		xlb@1f00 {
+			compatible = "fsl,mpc5200-xlb";
+			reg = <0x1f00 0x100>;
+		};
+
+		serial@2000 {		// PSC1
+			compatible = "fsl,mpc5200-psc-uart";
+			reg = <0x2000 0x100>;
+			interrupts = <2 1 0>;
+		};
+
+		serial@2400 {		// PSC3
+			compatible = "fsl,mpc5200-psc-uart";
+			reg = <0x2400 0x100>;
+			interrupts = <2 3 0>;
+		};
+
+		ethernet@3000 {
+			compatible = "fsl,mpc5200-fec";
+			reg = <0x3000 0x400>;
+			local-mac-address = [ 00 00 00 00 00 00 ];
+			interrupts = <2 5 0>;
+			fixed-link = <1 1 100 0 0>;
+		};
+
+		mdio@3000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "fsl,mpc5200-mdio";
+			reg = <0x3000 0x400>;       // fec range, since we need to setup fec interrupts
+			interrupts = <2 5 0>;   // these are for "mii command finished", not link changes & co.
+		};
+
+		ata@3a00 {
+			compatible = "fsl,mpc5200-ata";
+			reg = <0x3a00 0x100>;
+			interrupts = <2 7 0>;
+		};
+
+		i2c@3d00 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "fsl,mpc5200-i2c","fsl-i2c";
+			reg = <0x3d00 0x40>;
+			interrupts = <2 15 0>;
+		};
+
+
+		i2c@3d40 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "fsl,mpc5200-i2c","fsl-i2c";
+			reg = <0x3d40 0x40>;
+			interrupts = <2 16 0>;
+
+			dtt@28 {
+				compatible = "national,lm80";
+				reg = <0x28>;
+			};
+
+			rtc@68 {
+				compatible = "dallas,ds1374";
+				reg = <0x68>;
+			};
+		};
+
+		sram@8000 {
+			compatible = "fsl,mpc5200-sram";
+			reg = <0x8000 0x4000>;
+		};
+	};
+
+	localbus {
+		compatible = "fsl,mpc5200-lpb","simple-bus";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges = <	0 0 0xfc000000 0x02000000
+				1 0 0xe0000000 0x04000000 // CS1 range, SM501
+				3 0 0xe8000000 0x00080000>;
+
+		flash@0,0 {
+			compatible = "cfi-flash";
+			reg = <0 0 0x02000000>;
+			bank-width = <4>;
+			device-width = <2>;
+			#size-cells = <1>;
+			#address-cells = <1>;
+		};
+
+		display@1,0 {
+			compatible = "smi,sm501";
+			reg = <1 0x00000000 0x00800000
+			       1 0x03e00000 0x00200000>;
+			mode = "640x480-32@60";
+			interrupts = <1 1 3>;
+			little-endian;
+		};
+
+		mram0@3,0 {
+			compatible = "mtd-ram";
+			reg = <3 0x00000 0x80000>;
+			bank-width = <1>;
+		};
+	};
+
+	pci@f0000d00 {
+		#interrupt-cells = <1>;
+		#size-cells = <2>;
+		#address-cells = <3>;
+		device_type = "pci";
+		compatible = "fsl,mpc5200-pci";
+		reg = <0xf0000d00 0x100>;
+		interrupt-map-mask = <0xf800 0 0 7>;
+		interrupt-map = <0xc000 0 0 1 &mpc5200_pic 0 0 3
+				 0xc000 0 0 2 &mpc5200_pic 0 0 3
+				 0xc000 0 0 3 &mpc5200_pic 0 0 3
+				 0xc000 0 0 4 &mpc5200_pic 0 0 3>;
+		clock-frequency = <0>; // From boot loader
+		interrupts = <2 8 0 2 9 0 2 10 0>;
+		bus-range = <0 0>;
+		ranges = <0x42000000 0 0x80000000 0x80000000 0 0x10000000
+			  0x02000000 0 0x90000000 0x90000000 0 0x10000000
+			  0x01000000 0 0x00000000 0xa0000000 0 0x01000000>;
+	};
+};
diff --git a/arch/powerpc/platforms/52xx/mpc5200_simple.c b/arch/powerpc/platforms/52xx/mpc5200_simple.c
index e36d6e232ae6..846b789fb195 100644
--- a/arch/powerpc/platforms/52xx/mpc5200_simple.c
+++ b/arch/powerpc/platforms/52xx/mpc5200_simple.c
@@ -50,6 +50,7 @@ static void __init mpc5200_simple_setup_arch(void)
 
 /* list of the supported boards */
 static const char *board[] __initdata = {
+	"anon,charon",
 	"intercontrol,digsy-mtc",
 	"manroland,mucmc52",
 	"manroland,uc101",
-- 
GitLab


From 6ecc07b966977bb0855db1fa52d233c39fb3cafb Mon Sep 17 00:00:00 2001
From: Heiko Schocher <hs@denx.de>
Date: Tue, 22 Mar 2011 09:27:32 +0100
Subject: [PATCH 0072/1594] powerpc, tqm5200: update tqm5200_defconfig to fit
 for charon board.

added:

CONFIG_MTD_OF_PARTS
CONFIG_MTD_PLATRAM
CONFIG_FIXED_PHY
CONFIG_SENSORS_LM80
CONFIG_MFD_SM501
CONFIG_FB
CONFIG_FB_FOREIGN_ENDIAN
CONFIG_FB_SM501
CONFIG_FRAMEBUFFER_CONSOLE
CONFIG_RTC_DRV_DS1374

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
---
 arch/powerpc/configs/52xx/tqm5200_defconfig | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/configs/52xx/tqm5200_defconfig b/arch/powerpc/configs/52xx/tqm5200_defconfig
index 959cd2cfc275..716a37be16e3 100644
--- a/arch/powerpc/configs/52xx/tqm5200_defconfig
+++ b/arch/powerpc/configs/52xx/tqm5200_defconfig
@@ -1,9 +1,10 @@
 CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
+CONFIG_SPARSE_IRQ=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EXPERT=y
+CONFIG_EMBEDDED=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_KALLSYMS is not set
 # CONFIG_EPOLL is not set
@@ -17,7 +18,6 @@ CONFIG_PPC_MPC5200_SIMPLE=y
 CONFIG_PPC_MPC5200_BUGFIX=y
 # CONFIG_PPC_PMAC is not set
 CONFIG_PPC_BESTCOMM=y
-CONFIG_SPARSE_IRQ=y
 CONFIG_PM=y
 # CONFIG_PCI is not set
 CONFIG_NET=y
@@ -38,17 +38,18 @@ CONFIG_MTD=y
 CONFIG_MTD_CONCAT=y
 CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_OF_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_AMDSTD=y
 CONFIG_MTD_ROM=y
 CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_PLATRAM=y
 CONFIG_PROC_DEVICETREE=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=32768
-# CONFIG_MISC_DEVICES is not set
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_SG=y
 CONFIG_ATA=y
@@ -56,13 +57,11 @@ CONFIG_PATA_MPC52xx=y
 CONFIG_PATA_PLATFORM=y
 CONFIG_NETDEVICES=y
 CONFIG_LXT_PHY=y
+CONFIG_FIXED_PHY=y
 CONFIG_NET_ETHERNET=y
 CONFIG_FEC_MPC52xx=y
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
-# CONFIG_INPUT is not set
-# CONFIG_SERIO is not set
-# CONFIG_VT is not set
 CONFIG_SERIAL_MPC52xx=y
 CONFIG_SERIAL_MPC52xx_CONSOLE=y
 CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD=115200
@@ -70,7 +69,13 @@ CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD=115200
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_MPC=y
+CONFIG_SENSORS_LM80=y
 CONFIG_WATCHDOG=y
+CONFIG_MFD_SM501=y
+CONFIG_FB=y
+CONFIG_FB_FOREIGN_ENDIAN=y
+CONFIG_FB_SM501=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DEVICE_CLASS is not set
@@ -80,10 +85,10 @@ CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
 CONFIG_USB_STORAGE=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
+CONFIG_RTC_DRV_DS1374=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-CONFIG_INOTIFY=y
 CONFIG_MSDOS_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_PROC_KCORE=y
@@ -102,7 +107,6 @@ CONFIG_DEBUG_KERNEL=y
 CONFIG_DETECT_HUNG_TASK=y
 # CONFIG_DEBUG_BUGVERBOSE is not set
 CONFIG_DEBUG_INFO=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 CONFIG_CRYPTO_ECB=y
 CONFIG_CRYPTO_PCBC=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
-- 
GitLab


From dc9c0beecfeb4866fdbc245c295cf30d340b702c Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Tue, 11 Oct 2011 15:19:43 -0400
Subject: [PATCH 0073/1594] piix: ICH7 MWDMA1 errata

Based on libata commit c611bed7.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ide/piix.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
index b59d04c72051..1892e81fb00f 100644
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -331,7 +331,7 @@ static const struct ide_port_ops ich_port_ops = {
 		.udma_mask	= udma,			\
 	}
 
-#define DECLARE_ICH_DEV(udma) \
+#define DECLARE_ICH_DEV(mwdma, udma) \
 	{ \
 		.name		= DRV_NAME, \
 		.init_chipset	= init_chipset_ich, \
@@ -340,7 +340,7 @@ static const struct ide_port_ops ich_port_ops = {
 		.port_ops	= &ich_port_ops, \
 		.pio_mask	= ATA_PIO4, \
 		.swdma_mask	= ATA_SWDMA2_ONLY, \
-		.mwdma_mask	= ATA_MWDMA12_ONLY, \
+		.mwdma_mask	= mwdma, \
 		.udma_mask	= udma, \
 	}
 
@@ -362,13 +362,15 @@ static const struct ide_port_info piix_pci_info[] __devinitdata = {
 	/* 2: PIIX4 */
 	DECLARE_PIIX_DEV(ATA_UDMA2),
 	/* 3: ICH0 */
-	DECLARE_ICH_DEV(ATA_UDMA2),
+	DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA2),
 	/* 4: ICH */
-	DECLARE_ICH_DEV(ATA_UDMA4),
+	DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA4),
 	/* 5: PIIX4 */
 	DECLARE_PIIX_DEV(ATA_UDMA4),
-	/* 6: ICH[2-7]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
-	DECLARE_ICH_DEV(ATA_UDMA5),
+	/* 6: ICH[2-6]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
+	DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA5),
+	/* 7: ICH7/7-R, no MWDMA1 */
+	DECLARE_ICH_DEV(ATA_MWDMA2_ONLY, ATA_UDMA5),
 };
 
 /**
@@ -438,9 +440,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
 #endif
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2),      6 },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19),    6 },
-	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    6 },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    7 },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1),  6 },
-	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    6 },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    7 },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6),     6 },
 	{ 0, },
 };
-- 
GitLab


From 839e7306e5d1ebd57cf12e83d9910b8b2dbe79ba Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Date: Wed, 12 Oct 2011 04:31:51 +0000
Subject: [PATCH 0074/1594] IDE: Don't powerdown Compaq Triflex IDE device on
 suspend

Don't powerdown Compaq Triflex IDE device on suspend

This fixes APM suspend on Compaq Armada 7400.
APM BIOS doesn't suspend if IDE is powered down when suspending.
The Triflex controller is found only on old Compaq boards,
so this patch will hopefully have no side effects.

This patch fixes a suspend regression introduced in
feb22b7f8e62b1b987a3a1dbad95af767a1df832 ("ide: add proper PCI PM
support (v2)").

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
[bart: add commit's summary in parens]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ide/triflex.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c
index e53a1b78378b..281c91426345 100644
--- a/drivers/ide/triflex.c
+++ b/drivers/ide/triflex.c
@@ -113,12 +113,26 @@ static const struct pci_device_id triflex_pci_tbl[] = {
 };
 MODULE_DEVICE_TABLE(pci, triflex_pci_tbl);
 
+#ifdef CONFIG_PM
+static int triflex_ide_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+	/*
+	 * We must not disable or powerdown the device.
+	 * APM bios refuses to suspend if IDE is not accessible.
+	 */
+	pci_save_state(dev);
+	return 0;
+}
+#else
+#define triflex_ide_pci_suspend NULL
+#endif
+
 static struct pci_driver triflex_pci_driver = {
 	.name		= "TRIFLEX_IDE",
 	.id_table	= triflex_pci_tbl,
 	.probe		= triflex_init_one,
 	.remove		= ide_pci_remove,
-	.suspend	= ide_pci_suspend,
+	.suspend	= triflex_ide_pci_suspend,
 	.resume		= ide_pci_resume,
 };
 
-- 
GitLab


From acc8dbe7f44f1bab6fcf21f2d5efb32ea92e19fd Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 12 Oct 2011 04:45:34 +0000
Subject: [PATCH 0075/1594] icside: DMA support fix

Fix problem introduced by commit 5e37bdc ("ide: add struct
ide_dma_ops (take 3)"): d.dma_ops shouldn't be cleared if
we are going to use DMA.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ide/icside.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 4a697a238e28..8716066a2f2b 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -521,8 +521,8 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
 	if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
 		d.init_dma = icside_dma_init;
 		d.port_ops = &icside_v6_port_ops;
+	} else
 		d.dma_ops = NULL;
-	}
 
 	ret = ide_host_register(host, &d, hws);
 	if (ret)
-- 
GitLab


From 0ab3d8b3213c8bb55370b11fcc5321ee4f2c5e92 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Thu, 13 Oct 2011 00:28:54 +0000
Subject: [PATCH 0076/1594] cy82c693: fix PCI device selection

Wrong PCI device may be selected by cy82c693_set_pio_mode() if modular
IDE host drivers are used and there are additional IDE PCI devices
installed in the system.  Fix it.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ide/cy82c693.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c
index 67cbcfa35122..847553fd8b96 100644
--- a/drivers/ide/cy82c693.c
+++ b/drivers/ide/cy82c693.c
@@ -1,7 +1,7 @@
 /*
  *  Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer
  *  Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator
- *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
+ *  Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz
  *
  * CYPRESS CY82C693 chipset IDE controller
  *
@@ -90,7 +90,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 	u8 time_16, time_8;
 
 	/* select primary or secondary channel */
-	if (hwif->index > 0) {  /* drive is on the secondary channel */
+	if (drive->dn > 1) {  /* drive is on the secondary channel */
 		dev = pci_get_slot(dev->bus, dev->devfn+1);
 		if (!dev) {
 			printk(KERN_ERR "%s: tune_drive: "
@@ -141,7 +141,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16);
 		pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8);
 	}
-	if (hwif->index > 0)
+	if (drive->dn > 1)
 		pci_dev_put(dev);
 }
 
-- 
GitLab


From cd8e368f475251c0e3c42203f21e68fa25afbb3d Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Thu, 18 Aug 2011 16:35:44 -0400
Subject: [PATCH 0077/1594] ktest: Add TEST_TYPE install option

In testing one of my boxes, I found that I only wanted to build and
install the kernel. I wanted to manually reboot the box and test it.
Adding a TEST_TYPE option "install" allows this to happen.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 7 +++++++
 tools/testing/ktest/sample.conf | 7 ++++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 8d02ccb10c59..e087cb411c9b 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2929,6 +2929,13 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
 	build $build_type or next;
     }
 
+    if ($test_type eq "install") {
+	get_version;
+	install;
+	success $i;
+	next;
+    }
+
     if ($test_type ne "build") {
 	my $failed = 0;
 	start_monitor_and_boot or $failed = 1;
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index b8bcd14b5a4d..eadca3eb6f5a 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -253,9 +253,10 @@
 
 # The default test type (default test)
 # The test types may be:
-#   build - only build the kernel, do nothing else
-#   boot - build and boot the kernel
-#   test - build, boot and if TEST is set, run the test script
+#   build   - only build the kernel, do nothing else
+#   install - build and install, but do nothing else (does not reboot)
+#   boot    - build, install, and boot the kernel
+#   test    - build, boot and if TEST is set, run the test script
 #          (If TEST is not set, it defaults back to boot)
 #   bisect - Perform a bisect on the kernel (see BISECT_TYPE below)
 #   patchcheck - Do a test on a series of commits in git (see PATCHCHECK below)
-- 
GitLab


From a908a6659ba3e7eb52ea74a78e2f342978aa5f5b Mon Sep 17 00:00:00 2001
From: Andrew Jones <drjones@redhat.com>
Date: Fri, 12 Aug 2011 15:32:03 +0200
Subject: [PATCH 0078/1594] ktest: Create outputdir if it does not exist

Signed-off-by: Andrew Jones <drjones@redhat.com>
Link: http://lkml.kernel.org/r/1313155932-20092-2-git-send-email-drjones@redhat.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index e087cb411c9b..253e9a2cfbd5 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2850,9 +2850,11 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
 
     chdir $builddir || die "can't change directory to $builddir";
 
-    if (!-d $tmpdir) {
-	mkpath($tmpdir) or
-	    die "can't create $tmpdir";
+    foreach my $dir ($tmpdir, $outputdir) {
+	if (!-d $dir) {
+	    mkpath($dir) or
+		die "can't create $dir";
+	}
     }
 
     $ENV{"SSH_USER"} = $ssh_user;
-- 
GitLab


From 134882311cb9c2dca2ffadeabc5f8f9faa0fca81 Mon Sep 17 00:00:00 2001
From: Andrew Jones <drjones@redhat.com>
Date: Fri, 12 Aug 2011 15:32:04 +0200
Subject: [PATCH 0079/1594] ktest: Only need to save .config when doing
 mrproper

Only save the .config file if we're doing mrproper

Signed-off-by: Andrew Jones <drjones@redhat.com>
Link: http://lkml.kernel.org/r/1313155932-20092-3-git-send-email-drjones@redhat.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 253e9a2cfbd5..20b0e736b98b 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1272,15 +1272,15 @@ sub build {
 	# allow for empty configs
 	run_command "touch $output_config";
 
-	run_command "mv $output_config $outputdir/config_temp" or
-	    dodie "moving .config";
+	if (!$noclean) {
+	    run_command "mv $output_config $outputdir/config_temp" or
+		dodie "moving .config";
 
-	if (!$noclean && !run_command "$make mrproper") {
-	    dodie "make mrproper";
-	}
+	    run_command "$make mrproper" or dodie "make mrproper";
 
-	run_command "mv $outputdir/config_temp $output_config" or
-	    dodie "moving config_temp";
+	    run_command "mv $outputdir/config_temp $output_config" or
+		dodie "moving config_temp";
+	}
 
     } elsif (!$noclean) {
 	unlink "$output_config";
-- 
GitLab


From 2728be418db65aa873ee354168b56f028845e956 Mon Sep 17 00:00:00 2001
From: Andrew Jones <drjones@redhat.com>
Date: Fri, 12 Aug 2011 15:32:05 +0200
Subject: [PATCH 0080/1594] ktest: Include monitor in reboot code

Several places that call reboot do the same thing with respect to the
monitor. By adding this code into the reboot code, redundant code is
removed and it paves the way for the the reset time patch.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Link: http://lkml.kernel.org/r/1313155932-20092-4-git-send-email-drjones@redhat.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 36 ++++++++++++++++--------------------
 1 file changed, 16 insertions(+), 20 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 20b0e736b98b..debc6898e60b 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -603,8 +603,13 @@ sub doprint {
 }
 
 sub run_command;
+sub start_monitor;
+sub end_monitor;
+sub wait_for_monitor;
 
 sub reboot {
+    my ($time) = @_;
+
     # try to reboot normally
     if (run_command $reboot) {
 	if (defined($powercycle_after_reboot)) {
@@ -615,6 +620,12 @@ sub reboot {
 	# nope? power cycle it.
 	run_command "$power_cycle";
     }
+
+    if (defined($time)) {
+	start_monitor;
+	wait_for_monitor $time;
+	end_monitor;
+    }
 }
 
 sub do_not_reboot {
@@ -719,10 +730,7 @@ sub fail {
 	# no need to reboot for just building.
 	if (!do_not_reboot) {
 	    doprint "REBOOTING\n";
-	    reboot;
-	    start_monitor;
-	    wait_for_monitor $sleep_time;
-	    end_monitor;
+	    reboot $sleep_time;
 	}
 
 	my $name = "";
@@ -1356,10 +1364,7 @@ sub success {
 
     if ($i != $opt{"NUM_TESTS"} && !do_not_reboot) {
 	doprint "Reboot and wait $sleep_time seconds\n";
-	reboot;
-	start_monitor;
-	wait_for_monitor $sleep_time;
-	end_monitor;
+	reboot $sleep_time;
     }
 }
 
@@ -1500,10 +1505,7 @@ sub run_git_bisect {
 
 sub bisect_reboot {
     doprint "Reboot and sleep $bisect_sleep_time seconds\n";
-    reboot;
-    start_monitor;
-    wait_for_monitor $bisect_sleep_time;
-    end_monitor;
+    reboot $bisect_sleep_time;
 }
 
 # returns 1 on success, 0 on failure, -1 on skip
@@ -2066,10 +2068,7 @@ sub config_bisect {
 
 sub patchcheck_reboot {
     doprint "Reboot and sleep $patchcheck_sleep_time seconds\n";
-    reboot;
-    start_monitor;
-    wait_for_monitor $patchcheck_sleep_time;
-    end_monitor;
+    reboot $patchcheck_sleep_time;
 }
 
 sub patchcheck {
@@ -2659,10 +2658,7 @@ sub make_min_config {
 	}
 
 	doprint "Reboot and wait $sleep_time seconds\n";
-	reboot;
-	start_monitor;
-	wait_for_monitor $sleep_time;
-	end_monitor;
+	reboot $sleep_time;
     }
 
     success $i;
-- 
GitLab


From eaa1fe25ea79e94c6727a67baaca3da0791da5de Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Wed, 14 Sep 2011 17:20:39 -0400
Subject: [PATCH 0081/1594] ktest: Fail when grub menu not found

Currently if the grub menu that is supplied is not found, it will
just boot into the last grub menu in menu.lst. Fail instead of
confusing the user why their kernel is not booting.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index debc6898e60b..ca6ff99ab1a5 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -862,9 +862,12 @@ sub get_grub_index {
     open(IN, "$ssh_grub |")
 	or die "unable to get menu.lst";
 
+    my $found = 0;
+
     while (<IN>) {
 	if (/^\s*title\s+$grub_menu\s*$/) {
 	    $grub_number++;
+	    $found = 1;
 	    last;
 	} elsif (/^\s*title\s/) {
 	    $grub_number++;
@@ -873,7 +876,7 @@ sub get_grub_index {
     close(IN);
 
     die "Could not find '$grub_menu' in /boot/grub/menu on $machine"
-	if ($grub_number < 0);
+	if (!$found);
     doprint "$grub_number\n";
 }
 
-- 
GitLab


From e0a8742e3d4b7649be2ca6f22e7d45153505fc81 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 17:50:48 -0400
Subject: [PATCH 0082/1594] ktest: Add NO_INSTALL option to not install for a
 test

There's cases where running the same kernel over and over again
is useful, and being able to not install the same kernel can
save time between tests.

Add a NO_INSTALL option that tells ktest.pl to not install the
new kernel.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 10 +++++++++-
 tools/testing/ktest/sample.conf |  7 +++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index ca6ff99ab1a5..74fb2acae18d 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -42,6 +42,7 @@ $default{"BISECT_MANUAL"}	= 0;
 $default{"BISECT_SKIP"}		= 1;
 $default{"SUCCESS_LINE"}	= "login:";
 $default{"DETECT_TRIPLE_FAULT"} = 1;
+$default{"NO_INSTALL"}		= 0;
 $default{"BOOTED_TIMEOUT"}	= 1;
 $default{"DIE_ON_FAILURE"}	= 1;
 $default{"SSH_EXEC"}		= "ssh \$SSH_USER\@\$MACHINE \$SSH_COMMAND";
@@ -84,6 +85,7 @@ my $grub_number;
 my $target;
 my $make;
 my $post_install;
+my $no_install;
 my $noclean;
 my $minconfig;
 my $start_minconfig;
@@ -1094,6 +1096,8 @@ sub do_post_install {
 
 sub install {
 
+    return if ($no_install);
+
     run_scp "$outputdir/$build_target", "$target_image" or
 	dodie "failed to copy image";
 
@@ -2810,6 +2814,7 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
     $reboot_type = set_test_option("REBOOT_TYPE", $i);
     $grub_menu = set_test_option("GRUB_MENU", $i);
     $post_install = set_test_option("POST_INSTALL", $i);
+    $no_install = set_test_option("NO_INSTALL", $i);
     $reboot_script = set_test_option("REBOOT_SCRIPT", $i);
     $reboot_on_error = set_test_option("REBOOT_ON_ERROR", $i);
     $poweroff_on_error = set_test_option("POWEROFF_ON_ERROR", $i);
@@ -2890,8 +2895,11 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
 	$run_type = "ERROR";
     }
 
+    my $installme = "";
+    $installme = " no_install" if ($no_install);
+
     doprint "\n\n";
-    doprint "RUNNING TEST $i of $opt{NUM_TESTS} with option $test_type $run_type\n\n";
+    doprint "RUNNING TEST $i of $opt{NUM_TESTS} with option $test_type $run_type$installme\n\n";
 
     unlink $dmesg;
     unlink $buildlog;
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index eadca3eb6f5a..b3e0dc11fc8a 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -294,6 +294,13 @@
 # or on some systems:
 #POST_INSTALL = ssh user@target /sbin/dracut -f /boot/initramfs-test.img $KERNEL_VERSION
 
+# If for some reason you just want to boot the kernel and you do not
+# want the test to install anything new. For example, you may just want
+# to boot test the same kernel over and over and do not want to go through
+# the hassle of installing anything, you can set this option to 1
+# (default 0)
+#NO_INSTALL = 1
+
 # If there is a script that you require to run before the build is done
 # you can specify it with PRE_BUILD.
 #
-- 
GitLab


From 2b803365a6fa177ea7e1f64f645be1cb5dd39d55 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 18:00:23 -0400
Subject: [PATCH 0083/1594] ktest: Add option REBOOT_SUCCESS_LINE to stop
 waiting after a reboot

When ktest.pl reboots, it will usuall wait SLEEP_TIME seconds of idle
console before starting the next test. By setting the
REBOOT_SUCCESS_LINE, ktest will not wait SLEEP_TIME when it detects the
line while rebooting to a new kernel.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 33 +++++++++++++++++++++++++++------
 tools/testing/ktest/sample.conf | 10 ++++++++++
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 74fb2acae18d..51ddaa5ed556 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -117,6 +117,7 @@ my $timeout;
 my $booted_timeout;
 my $detect_triplefault;
 my $console;
+my $reboot_success_line;
 my $success_line;
 my $stop_after_success;
 my $stop_after_failure;
@@ -612,6 +613,13 @@ sub wait_for_monitor;
 sub reboot {
     my ($time) = @_;
 
+    if (defined($time)) {
+	start_monitor;
+	# flush out current monitor
+	# May contain the reboot success line
+	wait_for_monitor 1;
+    }
+
     # try to reboot normally
     if (run_command $reboot) {
 	if (defined($powercycle_after_reboot)) {
@@ -624,8 +632,7 @@ sub reboot {
     }
 
     if (defined($time)) {
-	start_monitor;
-	wait_for_monitor $time;
+	wait_for_monitor($time, $reboot_success_line);
 	end_monitor;
     }
 }
@@ -706,16 +713,29 @@ sub end_monitor {
 }
 
 sub wait_for_monitor {
-    my ($time) = @_;
+    my ($time, $stop) = @_;
+    my $full_line = "";
     my $line;
+    my $booted = 0;
 
     doprint "** Wait for monitor to settle down **\n";
 
     # read the monitor and wait for the system to calm down
-    do {
+    while (!$booted) {
 	$line = wait_for_input($monitor_fp, $time);
-	print "$line" if (defined($line));
-    } while (defined($line));
+	last if (!defined($line));
+	print "$line";
+	$full_line .= $line;
+
+	if (defined($stop) && $full_line =~ /$stop/) {
+	    doprint "wait for monitor detected $stop\n";
+	    $booted = 1;
+	}
+
+	if ($line =~ /\n/) {
+	    $full_line = "";
+	}
+    }
     print "** Monitor flushed **\n";
 }
 
@@ -2836,6 +2856,7 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
     $console = set_test_option("CONSOLE", $i);
     $detect_triplefault = set_test_option("DETECT_TRIPLE_FAULT", $i);
     $success_line = set_test_option("SUCCESS_LINE", $i);
+    $reboot_success_line = set_test_option("REBOOT_SUCCESS_LINE", $i);
     $stop_after_success = set_test_option("STOP_AFTER_SUCCESS", $i);
     $stop_after_failure = set_test_option("STOP_AFTER_FAILURE", $i);
     $stop_test_after = set_test_option("STOP_TEST_AFTER", $i);
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index b3e0dc11fc8a..67bc4e06922c 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -423,6 +423,14 @@
 # (default "login:")
 #SUCCESS_LINE = login:
 
+# To speed up between reboots, defining a line that the
+# default kernel produces that represents that the default
+# kernel has successfully booted and can be used to pass
+# a new test kernel to it. Otherwise ktest.pl will wait till
+# SLEEP_TIME to continue.
+# (default undefined)
+#REBOOT_SUCCESS_LINE = login:
+
 # In case the console constantly fills the screen, having
 # a specified time to stop the test after success is recommended.
 # (in seconds)
@@ -488,6 +496,8 @@
 # another test. If a reboot to the reliable kernel happens,
 # we wait SLEEP_TIME for the console to stop producing output
 # before starting the next test.
+#
+# You can speed up reboot times even more by setting REBOOT_SUCCESS_LINE.
 # (default 60)
 #SLEEP_TIME = 60
 
-- 
GitLab


From 4ab1cce5bdd87948b75ed4fe4a8629c0f76267ae Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 18:12:20 -0400
Subject: [PATCH 0084/1594] ktest: Do not reboot on config or build issues

Even if REBOOT_ON_ERROR is set, it becomes annoying that the target
machine is rebooted when a config option is incorrect or a build
fails. There's no reason to reboot the target for host only issues.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 51ddaa5ed556..057676a8e785 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -133,6 +133,9 @@ my %config_help;
 my %variable;
 my %force_config;
 
+# do not force reboots on config problems
+my $no_reboot = 1;
+
 $config_help{"MACHINE"} = << "EOF"
  The machine hostname that you will test.
 EOF
@@ -640,7 +643,7 @@ sub reboot {
 sub do_not_reboot {
     my $i = $iteration;
 
-    return $test_type eq "build" ||
+    return $test_type eq "build" || $no_reboot ||
 	($test_type eq "patchcheck" && $opt{"PATCHCHECK_TYPE[$i]"} eq "build") ||
 	($test_type eq "bisect" && $opt{"BISECT_TYPE[$i]"} eq "build");
 }
@@ -1285,6 +1288,10 @@ sub build {
 
     unlink $buildlog;
 
+    # Failed builds should not reboot the target
+    my $save_no_reboot = $no_reboot;
+    $no_reboot = 1;
+
     if (defined($pre_build)) {
 	my $ret = run_command $pre_build;
 	if (!$ret && defined($pre_build_die) &&
@@ -1353,10 +1360,15 @@ sub build {
 
     if (!$build_ret) {
 	# bisect may need this to pass
-	return 0 if ($in_bisect);
+	if ($in_bisect) {
+	    $no_reboot = $save_no_reboot;
+	    return 0;
+	}
 	fail "failed build" and return 0;
     }
 
+    $no_reboot = $save_no_reboot;
+
     return 1;
 }
 
@@ -2806,6 +2818,9 @@ sub set_test_option {
 # First we need to do is the builds
 for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
 
+    # Do not reboot on failing test options
+    $no_reboot = 1;
+
     $iteration = $i;
 
     my $makecmd = set_test_option("MAKE_CMD", $i);
@@ -2941,6 +2956,9 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
 	    die "failed to checkout $checkout";
     }
 
+    $no_reboot = 0;
+
+
     if ($test_type eq "bisect") {
 	bisect $i;
 	next;
-- 
GitLab


From 45d73a5d8a98dbabcdf37e2da5ef5b0412244643 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 19:44:53 -0400
Subject: [PATCH 0085/1594] ktest: Add IF and ELSE to config sections

Add IF keyword to sections within the config. Also added an ELSE
keyword that allows different config options to be set for a given
section.

For example:

TYPE := 1
STATUS := 0

DEFAULTS IF ${TYPE}
[...]
ELSE IF ${STATUS}
[...]
ELSE
[...]

The above will process the first section as $TYPE is true. If it
was false, it would process the last section as $STATUS is false.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 64 ++++++++++++++++++++++++++++++---
 tools/testing/ktest/sample.conf | 38 ++++++++++++++++++++
 2 files changed, 98 insertions(+), 4 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 057676a8e785..c76e18f00c44 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -361,6 +361,21 @@ sub set_variable {
     }
 }
 
+sub process_if {
+    my ($name, $value) = @_;
+
+    my $val = process_variables($value);
+
+    if ($val =~ /^\s*0\s*$/) {
+	return 0;
+    } elsif ($val =~ /^\s*\d+\s*$/) {
+	return 1;
+    }
+
+    die ("$name: $.: Undefined variable $val in if statement\n");
+    return 1;
+}
+
 sub read_config {
     my ($config) = @_;
 
@@ -376,6 +391,8 @@ sub read_config {
     my $skip = 0;
     my $rest;
     my $test_case = 0;
+    my $if = 0;
+    my $if_set = 0;
 
     while (<IN>) {
 
@@ -397,7 +414,7 @@ sub read_config {
 	    $default = 0;
 	    $repeat = 1;
 
-	    if ($rest =~ /\s+SKIP(.*)/) {
+	    if ($rest =~ /\s+SKIP\b(.*)/) {
 		$rest = $1;
 		$skip = 1;
 	    } else {
@@ -411,9 +428,16 @@ sub read_config {
 		$repeat_tests{"$test_num"} = $repeat;
 	    }
 
-	    if ($rest =~ /\s+SKIP(.*)/) {
-		$rest = $1;
-		$skip = 1;
+	    if ($rest =~ /\sIF\s+(\S*)(.*)/) {
+		$rest = $2;
+		if (process_if($name, $1)) {
+		    $if_set = 1;
+		} else {
+		    $skip = 1;
+		}
+		$if = 1;
+	    } else {
+		$if = 0;
 	    }
 
 	    if ($rest !~ /^\s*$/) {
@@ -437,10 +461,42 @@ sub read_config {
 		$skip = 0;
 	    }
 
+	    if ($rest =~ /\sIF\s+(\S*)(.*)/) {
+		$if = 1;
+		$rest = $2;
+		if (process_if($name, $1)) {
+		    $if_set = 1;
+		} else {
+		    $skip = 1;
+		}
+	    } else {
+		$if = 0;
+	    }
+
 	    if ($rest !~ /^\s*$/) {
 		die "$name: $.: Gargbage found after DEFAULTS\n$_";
 	    }
 
+	} elsif (/^\s*ELSE(.*)$/) {
+	    if (!$if) {
+		die "$name: $.: ELSE found with out matching IF section\n$_";
+	    }
+	    $rest = $1;
+	    if ($if_set) {
+		$skip = 1;
+	    } else {
+		$skip = 0;
+
+		if ($rest =~ /\sIF\s+(\S*)(.*)/) {
+		    # May be a ELSE IF section.
+		    if (!process_if($name, $1)) {
+			$skip = 1;
+		    }
+		} else {
+		    $if = 0;
+		}
+	    }
+
 	} elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(.*?)\s*$/) {
 
 	    next if ($skip);
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 67bc4e06922c..6a0a0ba59975 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -72,6 +72,44 @@
 # the same option name under the same test or as default
 # ktest will fail to execute, and no tests will run.
 #
+# Both TEST_START and DEFAULTS sections can also have the IF keyword
+# The value after the IF must evaluate into a 0 or non 0 positive
+# integer, and can use the config variables (explained below).
+#
+# DEFAULTS IF ${IS_X86_32}
+#
+# The above will process the DEFAULTS section if the config
+# variable IS_X86_32 evaluates to a non zero positive integer
+# otherwise if it evaluates to zero, it will act the same
+# as if the SKIP keyword was used.
+#
+# The ELSE keyword can be used directly after a section with
+# a IF statement.
+#
+# TEST_START IF ${RUN_NET_TESTS}
+# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-network
+#
+# ELSE
+#
+# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-normal
+#
+#
+# The ELSE keyword can also contain an IF statement to allow multiple
+# if then else sections. But all the sections must be either
+# DEFAULT or TEST_START, they can not be a mixture.
+#
+# TEST_START IF ${RUN_NET_TESTS}
+# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-network
+#
+# ELSE IF ${RUN_DISK_TESTS}
+# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-tests
+#
+# ELSE IF ${RUN_CPU_TESTS}
+# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-cpu
+#
+# ELSE
+# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-network
+#
 
 #### Config variables ####
 #
-- 
GitLab


From ab7a3f52cef5ff1c784de7adfbda3421b10754a4 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 20:24:07 -0400
Subject: [PATCH 0086/1594] ktest: Let IF keyword take comparisons

Allow ==, !=, <=, >=, <, and > to be used in IF statements
to compare if a section should be processed or not.

For example:

BITS := 32

DEFAULTS IF ${BITS} == 32
MIN_CONFIG = ${CONFIG_DIR}/config-32
ELSE
MIN_CONFIG = ${CONFIG_DIR}/config-64

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 54 +++++++++++++++++++++++++++++----
 tools/testing/ktest/sample.conf | 14 +++++++++
 2 files changed, 62 insertions(+), 6 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index c76e18f00c44..ed20d6881ec9 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -361,11 +361,47 @@ sub set_variable {
     }
 }
 
+sub process_compare {
+    my ($lval, $cmp, $rval) = @_;
+
+    # remove whitespace
+
+    $lval =~ s/^\s*//;
+    $lval =~ s/\s*$//;
+
+    $rval =~ s/^\s*//;
+    $rval =~ s/\s*$//;
+
+    if ($cmp eq "==") {
+	return $lval eq $rval;
+    } elsif ($cmp eq "!=") {
+	return $lval ne $rval;
+    }
+
+    my $statement = "$lval $cmp $rval";
+    my $ret = eval $statement;
+
+    # $@ stores error of eval
+    if ($@) {
+	return -1;
+    }
+
+    return $ret;
+}
+
 sub process_if {
     my ($name, $value) = @_;
 
     my $val = process_variables($value);
 
+    if ($val =~ /(.*)(==|\!=|>=|<=|>|<)(.*)/) {
+	my $ret = process_compare($1, $2, $3);
+	if ($ret < 0) {
+	    die "$name: $.: Unable to process comparison\n";
+	}
+	return $ret;
+    }
+
     if ($val =~ /^\s*0\s*$/) {
 	return 0;
     } elsif ($val =~ /^\s*\d+\s*$/) {
@@ -428,8 +464,8 @@ sub read_config {
 		$repeat_tests{"$test_num"} = $repeat;
 	    }
 
-	    if ($rest =~ /\sIF\s+(\S*)(.*)/) {
-		$rest = $2;
+	    if ($rest =~ /\sIF\s+(.*)/) {
+		$rest = "";
 		if (process_if($name, $1)) {
 		    $if_set = 1;
 		} else {
@@ -461,14 +497,14 @@ sub read_config {
 		$skip = 0;
 	    }
 
-	    if ($rest =~ /\sIF\s+(\S*)(.*)/) {
+	    if ($rest =~ /\sIF\s+(.*)/) {
 		$if = 1;
-		$rest = $2;
 		if (process_if($name, $1)) {
 		    $if_set = 1;
 		} else {
 		    $skip = 1;
 		}
+		$rest = "";
 	    } else {
 		$if = 0;
 	    }
@@ -477,26 +513,32 @@ sub read_config {
 		die "$name: $.: Gargbage found after DEFAULTS\n$_";
 	    }
 
-	} elsif (/^\s*ELSE(.*)$/) {
+	} elsif (/^\s*ELSE\b(.*)$/) {
 	    if (!$if) {
 		die "$name: $.: ELSE found with out matching IF section\n$_";
 	    }
 	    $rest = $1;
 	    if ($if_set) {
 		$skip = 1;
+		$rest = "";
 	    } else {
 		$skip = 0;
 
-		if ($rest =~ /\sIF\s+(\S*)(.*)/) {
+		if ($rest =~ /\sIF\s+(.*)/) {
 		    # May be a ELSE IF section.
 		    if (!process_if($name, $1)) {
 			$skip = 1;
 		    }
+		    $rest = "";
 		} else {
 		    $if = 0;
 		}
 	    }
 
+	    if ($rest !~ /^\s*$/) {
+		die "$name: $.: Gargbage found after DEFAULTS\n$_";
+	    }
+
 	} elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(.*?)\s*$/) {
 
 	    next if ($skip);
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 6a0a0ba59975..4e8fb91fd517 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -72,6 +72,8 @@
 # the same option name under the same test or as default
 # ktest will fail to execute, and no tests will run.
 #
+#
+#
 # Both TEST_START and DEFAULTS sections can also have the IF keyword
 # The value after the IF must evaluate into a 0 or non 0 positive
 # integer, and can use the config variables (explained below).
@@ -110,6 +112,18 @@
 # ELSE
 # BUILD_TYPE = useconfig:${CONFIG_DIR}/config-network
 #
+# The if statement may also have comparisons that will and for
+# == and !=, strings may be used for both sides.
+#
+# BOX_TYPE := x86_32
+#
+# DEFAULTS IF ${BOX_TYPE} == x86_32
+# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-32
+# ELSE
+# BUILD_TYPE = useconfig:${CONFIG_DIR}/config-64
+#
+
+
 
 #### Config variables ####
 #
-- 
GitLab


From 2ed3b16128e93309758e62937e7f137ac9844227 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 21:00:00 -0400
Subject: [PATCH 0087/1594] ktest: Add INCLUDE keyword to include other config
 files

Have the reading of the config file allow reading of other config
files using the INCLUDE keyword. This allows multiple config files
to share config options.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 55 ++++++++++++++++++++++++++++-----
 tools/testing/ktest/sample.conf | 32 +++++++++++++++++--
 2 files changed, 78 insertions(+), 9 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index ed20d6881ec9..62de47de2b04 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -412,15 +412,16 @@ sub process_if {
     return 1;
 }
 
-sub read_config {
-    my ($config) = @_;
+sub __read_config {
+    my ($config, $current_test_num) = @_;
 
-    open(IN, $config) || die "can't read file $config";
+    my $in;
+    open($in, $config) || die "can't read file $config";
 
     my $name = $config;
     $name =~ s,.*/(.*),$1,;
 
-    my $test_num = 0;
+    my $test_num = $$current_test_num;
     my $default = 1;
     my $repeat = 1;
     my $num_tests_set = 0;
@@ -430,7 +431,7 @@ sub read_config {
     my $if = 0;
     my $if_set = 0;
 
-    while (<IN>) {
+    while (<$in>) {
 
 	# ignore blank lines and comments
 	next if (/^\s*$/ || /\s*\#/);
@@ -539,6 +540,33 @@ sub read_config {
 		die "$name: $.: Gargbage found after DEFAULTS\n$_";
 	    }
 
+	} elsif (/^\s*INCLUDE\s+(\S+)/) {
+
+	    next if ($skip);
+
+	    if (!$default) {
+		die "$name: $.: INCLUDE can only be done in default sections\n$_";
+	    }
+
+	    my $file = process_variables($1);
+
+	    if ($file !~ m,^/,) {
+		# check the path of the config file first
+		if ($config =~ m,(.*)/,) {
+		    if (-f "$1/$file") {
+			$file = "$1/$file";
+		    }
+		}
+	    }
+		
+	    if ( ! -r $file ) {
+		die "$name: $.: Can't read file $file\n$_";
+	    }
+
+	    if (__read_config($file, \$test_num)) {
+		$test_case = 1;
+	    }
+
 	} elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(.*?)\s*$/) {
 
 	    next if ($skip);
@@ -594,13 +622,26 @@ sub read_config {
 	}
     }
 
-    close(IN);
-
     if ($test_num) {
 	$test_num += $repeat - 1;
 	$opt{"NUM_TESTS"} = $test_num;
     }
 
+    close($in);
+
+    $$current_test_num = $test_num;
+
+    return $test_case;
+}
+
+sub read_config {
+    my ($config) = @_;
+
+    my $test_case;
+    my $test_num = 0;
+
+    $test_case = __read_config $config, \$test_num;
+
     # make sure we have all mandatory configs
     get_ktest_configs;
 
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 4e8fb91fd517..ae2a93c732ac 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -122,8 +122,36 @@
 # ELSE
 # BUILD_TYPE = useconfig:${CONFIG_DIR}/config-64
 #
-
-
+#
+# INCLUDE file
+#
+# The INCLUDE keyword may be used in DEFAULT sections. This will
+# read another config file and process that file as well. The included
+# file can include other files, add new test cases or default
+# statements. Config variables will be passed to these files and changes
+# to config variables will be seen by top level config files. Including
+# a file is processed just like the contents of the file was cut and pasted
+# into the top level file, except, that include files that end with
+# TEST_START sections will have that section ended at the end of
+# the include file. That is, an included file is included followed
+# by another DEFAULT keyword.
+#
+# Unlike other files referenced in this config, the file path does not need
+# to be absolute. If the file does not start with '/', then the directory
+# that the current config file was located in is used. If no config by the
+# given name is found there, then the current directory is searched.
+#
+# INCLUDE myfile
+# DEFAULT
+#
+# is the same as:
+#
+# INCLUDE myfile
+#
+# Note, if the include file does not contain a full path, the file is
+# searched first by the location of the original include file, and then
+# by the location that ktest.pl was executed in.
+#
 
 #### Config variables ####
 #
-- 
GitLab


From 0050b6bbef01d871a34a77685047190aa428b210 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 21:10:30 -0400
Subject: [PATCH 0088/1594] ktest: Consolidate TEST_TYPE and DEFAULT code

The code that handles parsing the TEST_TYPE and DEFAULT code share
a lot of common functionality. Combine the two and add a if statement
that does what is different between them.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 61 +++++++++++++-----------------------
 1 file changed, 21 insertions(+), 40 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 62de47de2b04..b4f32e734745 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -436,20 +436,29 @@ sub __read_config {
 	# ignore blank lines and comments
 	next if (/^\s*$/ || /\s*\#/);
 
-	if (/^\s*TEST_START(.*)/) {
+	if (/^\s*(TEST_START|DEFAULTS)\b(.*)/) {
 
-	    $rest = $1;
+	    my $type = $1;
+	    $rest = $2;
 
-	    if ($num_tests_set) {
-		die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
-	    }
+	    my $old_test_num;
+	    my $old_repeat;
+
+	    if ($type eq "TEST_START") {
 
-	    my $old_test_num = $test_num;
-	    my $old_repeat = $repeat;
+		if ($num_tests_set) {
+		    die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
+		}
 
-	    $test_num += $repeat;
-	    $default = 0;
-	    $repeat = 1;
+		$old_test_num = $test_num;
+		$old_repeat = $repeat;
+
+		$test_num += $repeat;
+		$default = 0;
+		$repeat = 1;
+	    } else {
+		$default = 1;
+	    }
 
 	    if ($rest =~ /\s+SKIP\b(.*)/) {
 		$rest = $1;
@@ -478,42 +487,14 @@ sub __read_config {
 	    }
 
 	    if ($rest !~ /^\s*$/) {
-		die "$name: $.: Gargbage found after TEST_START\n$_";
+		die "$name: $.: Gargbage found after $type\n$_";
 	    }
 
-	    if ($skip) {
+	    if ($skip && $type eq "TEST_START") {
 		$test_num = $old_test_num;
 		$repeat = $old_repeat;
 	    }
 
-	} elsif (/^\s*DEFAULTS(.*)$/) {
-	    $default = 1;
-
-	    $rest = $1;
-
-	    if ($rest =~ /\s+SKIP(.*)/) {
-		$rest = $1;
-		$skip = 1;
-	    } else {
-		$skip = 0;
-	    }
-
-	    if ($rest =~ /\sIF\s+(.*)/) {
-		$if = 1;
-		if (process_if($name, $1)) {
-		    $if_set = 1;
-		} else {
-		    $skip = 1;
-		}
-		$rest = "";
-	    } else {
-		$if = 0;
-	    }
-
-	    if ($rest !~ /^\s*$/) {
-		die "$name: $.: Gargbage found after DEFAULTS\n$_";
-	    }
-
 	} elsif (/^\s*ELSE\b(.*)$/) {
 	    if (!$if) {
 		die "$name: $.: ELSE found with out matching IF section\n$_";
-- 
GitLab


From 3d1cc41432b0491a39a3185b52bfa1d0411bba10 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 22:14:21 -0400
Subject: [PATCH 0089/1594] ktest: Add OVERRIDE keyword to DEFAULTS section

The OVERRIDE keyword will allow options defined in the given
DEFAULTS section to override options defined in previous DEFAULT
sections.

Normally, options will error if they were previous defined.
The OVERRIDE keyword allows options that have been previously
defined to be changed in the given section.

Note, the same option can not be defined in the same DEFAULT section
even if that section is marked as OVERRIDE.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 37 ++++++++++++++++++++++++++-------
 tools/testing/ktest/sample.conf | 15 +++++++++++++
 2 files changed, 44 insertions(+), 8 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index b4f32e734745..7bce412bbdcc 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -337,10 +337,17 @@ sub process_variables {
 }
 
 sub set_value {
-    my ($lvalue, $rvalue) = @_;
+    my ($lvalue, $rvalue, $override, $overrides, $name) = @_;
 
     if (defined($opt{$lvalue})) {
-	die "Error: Option $lvalue defined more than once!\n";
+	if (!$override || defined(${$overrides}{$lvalue})) {
+	    my $extra = "";
+	    if ($override) {
+		$extra = "In the same override section!\n";
+	    }
+	    die "$name: $.: Option $lvalue defined more than once!\n$extra";
+	}
+	${$overrides}{$lvalue} = $rvalue;
     }
     if ($rvalue =~ /^\s*$/) {
 	delete $opt{$lvalue};
@@ -430,6 +437,9 @@ sub __read_config {
     my $test_case = 0;
     my $if = 0;
     my $if_set = 0;
+    my $override = 0;
+
+    my %overrides;
 
     while (<$in>) {
 
@@ -443,6 +453,7 @@ sub __read_config {
 
 	    my $old_test_num;
 	    my $old_repeat;
+	    $override = 0;
 
 	    if ($type eq "TEST_START") {
 
@@ -468,10 +479,20 @@ sub __read_config {
 		$skip = 0;
 	    }
 
-	    if ($rest =~ /\s+ITERATE\s+(\d+)(.*)$/) {
-		$repeat = $1;
-		$rest = $2;
-		$repeat_tests{"$test_num"} = $repeat;
+	    if (!$skip) {
+		if ($type eq "TEST_START") {
+		    if ($rest =~ /\s+ITERATE\s+(\d+)(.*)$/) {
+			$repeat = $1;
+			$rest = $2;
+			$repeat_tests{"$test_num"} = $repeat;
+		    }
+		} elsif ($rest =~ /\sOVERRIDE\b(.*)/) {
+		    # DEFAULT only
+		    $rest = $1;
+		    $override = 1;
+		    # Clear previous overrides
+		    %overrides = ();
+		}
 	    }
 
 	    if ($rest =~ /\sIF\s+(.*)/) {
@@ -573,10 +594,10 @@ sub __read_config {
 	    }
 
 	    if ($default || $lvalue =~ /\[\d+\]$/) {
-		set_value($lvalue, $rvalue);
+		set_value($lvalue, $rvalue, $override, \%overrides, $name);
 	    } else {
 		my $val = "$lvalue\[$test_num\]";
-		set_value($val, $rvalue);
+		set_value($val, $rvalue, $override, \%overrides, $name);
 
 		if ($repeat > 1) {
 		    $repeats{$val} = $repeat;
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index ae2a93c732ac..0fd3ca30ad0c 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -72,6 +72,21 @@
 # the same option name under the same test or as default
 # ktest will fail to execute, and no tests will run.
 #
+# DEFAULTS OVERRIDE
+#
+# Options defined in the DEFAULTS section can not be duplicated
+# even if they are defined in two different DEFAULT sections.
+# This is done to catch mistakes where an option is added but
+# the previous option was forgotten about and not commented.
+#
+# The OVERRIDE keyword can be added to a section to allow this
+# section to override other DEFAULT sections values that have
+# been defined previously. It will only override options that
+# have been defined before its use. Options defined later
+# in a non override section will still error. The same option
+# can not be defined in the same section even if that section
+# is marked OVERRIDE.
+#
 #
 #
 # Both TEST_START and DEFAULTS sections can also have the IF keyword
-- 
GitLab


From 9900b5dc067551fcdcaec63d013b1d95b36835ae Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 30 Sep 2011 22:41:14 -0400
Subject: [PATCH 0090/1594] ktest: Add DEFINED keyword for IF statements

Have IF statements process if a config variable or option has been
defined or not. Can use NOT DEFINED in the case for telling if
a variable or option has not been defined.

DEFAULTS IF NOT DEFINED SSH_USER
SSH_USER = root

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 17 ++++++++++++++++-
 tools/testing/ktest/sample.conf | 17 +++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 7bce412bbdcc..76a5964595da 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -396,6 +396,13 @@ sub process_compare {
     return $ret;
 }
 
+sub value_defined {
+    my ($val) = @_;
+
+    return defined($variable{$2}) ||
+	defined($opt{$2});
+}
+
 sub process_if {
     my ($name, $value) = @_;
 
@@ -409,13 +416,21 @@ sub process_if {
 	return $ret;
     }
 
+    if ($val =~ /^\s*(NOT\s*)?DEFINED\s+(\S+)\s*$/) {
+	if (defined $1) {
+	    return !value_defined($2);
+	} else {
+	    return value_defined($2);
+	}
+    }
+
     if ($val =~ /^\s*0\s*$/) {
 	return 0;
     } elsif ($val =~ /^\s*\d+\s*$/) {
 	return 1;
     }
 
-    die ("$name: $.: Undefined variable $val in if statement\n");
+    die ("$name: $.: Undefined content $val in if statement\n");
     return 1;
 }
 
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 0fd3ca30ad0c..7b49f07b6423 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -137,6 +137,23 @@
 # ELSE
 # BUILD_TYPE = useconfig:${CONFIG_DIR}/config-64
 #
+# The DEFINED keyword can be used by the IF statements too.
+# It returns true if the given config variable or option has been defined
+# or false otherwise.
+#
+# 
+# DEFAULTS IF DEFINED USE_CC
+# CC := ${USE_CC}
+# ELSE
+# CC := gcc
+#
+#
+# As well as NOT DEFINED.
+#
+# DEFAULTS IF NOT DEFINED MAKE_CMD
+# MAKE_CMD := make ARCH=x86
+#
+#
 #
 # INCLUDE file
 #
-- 
GitLab


From ac6974c76e66c2f9b8b8a23b974c5f3d94302e81 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Tue, 4 Oct 2011 09:40:17 -0400
Subject: [PATCH 0091/1594] ktest: Sort make_min_config configs by dependecies

The make_min_config test will turn off one config at a time and check
if the config boots or not, and if it does, it will remove that config
plus any config that depended on that config.

ktest already looks if a config has a dependency and will try the
dependency config first. But by sorting the configs and trying the
config with the most configs dependent on it, we can shrink the
minconfig faster.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 71 +++++++++++++++++++++++++-----------
 1 file changed, 49 insertions(+), 22 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 76a5964595da..2a9d04207174 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -2372,12 +2372,31 @@ sub patchcheck {
 }
 
 my %depends;
+my %depcount;
 my $iflevel = 0;
 my @ifdeps;
 
 # prevent recursion
 my %read_kconfigs;
 
+sub add_dep {
+    # $config depends on $dep
+    my ($config, $dep) = @_;
+
+    if (defined($depends{$config})) {
+	$depends{$config} .= " " . $dep;
+    } else {
+	$depends{$config} = $dep;
+    }
+
+    # record the number of configs depending on $dep
+    if (defined $depcount{$dep}) {
+	$depcount{$dep}++;
+    } else {
+	$depcount{$dep} = 1;
+    } 
+}
+
 # taken from streamline_config.pl
 sub read_kconfig {
     my ($kconfig) = @_;
@@ -2424,30 +2443,19 @@ sub read_kconfig {
 	    $config = $2;
 
 	    for (my $i = 0; $i < $iflevel; $i++) {
-		if ($i) {
-		    $depends{$config} .= " " . $ifdeps[$i];
-		} else {
-		    $depends{$config} = $ifdeps[$i];
-		}
-		$state = "DEP";
+		add_dep $config, $ifdeps[$i];
 	    }
 
 	# collect the depends for the config
 	} elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) {
 
-	    if (defined($depends{$1})) {
-		$depends{$config} .= " " . $1;
-	    } else {
-		$depends{$config} = $1;
-	    }
+	    add_dep $config, $1;
 
 	# Get the configs that select this config
-	} elsif ($state ne "NONE" && /^\s*select\s+(\S+)/) {
-	    if (defined($depends{$1})) {
-		$depends{$1} .= " " . $config;
-	    } else {
-		$depends{$1} = $config;
-	    }
+	} elsif ($state eq "NEW" && /^\s*select\s+(\S+)/) {
+
+	    # selected by depends on config
+	    add_dep $1, $config;
 
 	# Check for if statements
 	} elsif (/^if\s+(.*\S)\s*$/) {
@@ -2559,11 +2567,18 @@ sub make_new_config {
     close OUT;
 }
 
+sub chomp_config {
+    my ($config) = @_;
+
+    $config =~ s/CONFIG_//;
+
+    return $config;
+}
+
 sub get_depends {
     my ($dep) = @_;
 
-    my $kconfig = $dep;
-    $kconfig =~ s/CONFIG_//;
+    my $kconfig = chomp_config $dep;
 
     $dep = $depends{"$kconfig"};
 
@@ -2613,8 +2628,7 @@ sub test_this_config {
 	return undef;
     }
 
-    my $kconfig = $config;
-    $kconfig =~ s/CONFIG_//;
+    my $kconfig = chomp_config $config;
 
     # Test dependencies first
     if (defined($depends{"$kconfig"})) {
@@ -2704,6 +2718,14 @@ sub make_min_config {
 
     my @config_keys = keys %min_configs;
 
+    # All configs need a depcount
+    foreach my $config (@config_keys) {
+	my $kconfig = chomp_config $config;
+	if (!defined $depcount{$kconfig}) {
+		$depcount{$kconfig} = 0;
+	}
+    }
+
     # Remove anything that was set by the make allnoconfig
     # we shouldn't need them as they get set for us anyway.
     foreach my $config (@config_keys) {
@@ -2742,8 +2764,13 @@ sub make_min_config {
 	# Now disable each config one by one and do a make oldconfig
 	# till we find a config that changes our list.
 
-	# Put configs that did not modify the config at the end.
 	my @test_configs = keys %min_configs;
+
+	# Sort keys by who is most dependent on
+	@test_configs = sort  { $depcount{chomp_config($b)} <=> $depcount{chomp_config($a)} }
+			  @test_configs ;
+
+	# Put configs that did not modify the config at the end.
 	my $reset = 1;
 	for (my $i = 0; $i < $#test_configs; $i++) {
 	    if (!defined($nochange_config{$test_configs[0]})) {
-- 
GitLab


From a9f84424be8d12e8a84b9eac112cd1152587d437 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Mon, 17 Oct 2011 11:06:29 -0400
Subject: [PATCH 0092/1594] ktest: Fix parsing of config section lines

The order for some of the keywords on a section line
(TEST_START or DEFAULTS) does not really matter. Simply need
to remove the keyword from the line as we process it and
evaluate the next keyword in the line. By removing the keywords
as we find them, we do not need to keep track of where on the
line they were found.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 49 +++++++++++++++++++++++-------------
 1 file changed, 31 insertions(+), 18 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 2a9d04207174..d292c2d8dfe9 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -449,6 +449,7 @@ sub __read_config {
     my $num_tests_set = 0;
     my $skip = 0;
     my $rest;
+    my $line;
     my $test_case = 0;
     my $if = 0;
     my $if_set = 0;
@@ -465,6 +466,7 @@ sub __read_config {
 
 	    my $type = $1;
 	    $rest = $2;
+	    $line = $2;
 
 	    my $old_test_num;
 	    my $old_repeat;
@@ -486,32 +488,28 @@ sub __read_config {
 		$default = 1;
 	    }
 
-	    if ($rest =~ /\s+SKIP\b(.*)/) {
-		$rest = $1;
+	    # If SKIP is anywhere in the line, the command will be skipped
+	    if ($rest =~ s/\s+SKIP\b//) {
 		$skip = 1;
 	    } else {
 		$test_case = 1;
 		$skip = 0;
 	    }
 
-	    if (!$skip) {
-		if ($type eq "TEST_START") {
-		    if ($rest =~ /\s+ITERATE\s+(\d+)(.*)$/) {
-			$repeat = $1;
-			$rest = $2;
-			$repeat_tests{"$test_num"} = $repeat;
-		    }
-		} elsif ($rest =~ /\sOVERRIDE\b(.*)/) {
-		    # DEFAULT only
-		    $rest = $1;
-		    $override = 1;
-		    # Clear previous overrides
-		    %overrides = ();
+	    if ($rest =~ s/\sELSE\b//) {
+		if (!$if) {
+		    die "$name: $.: ELSE found with out matching IF section\n$_";
+		}
+		$if = 0;
+
+		if ($if_set) {
+		    $skip = 1;
+		} else {
+		    $skip = 0;
 		}
 	    }
 
-	    if ($rest =~ /\sIF\s+(.*)/) {
-		$rest = "";
+	    if ($rest =~ s/\sIF\s+(.*)//) {
 		if (process_if($name, $1)) {
 		    $if_set = 1;
 		} else {
@@ -520,9 +518,24 @@ sub __read_config {
 		$if = 1;
 	    } else {
 		$if = 0;
+		$if_set = 0;
 	    }
 
-	    if ($rest !~ /^\s*$/) {
+	    if (!$skip) {
+		if ($type eq "TEST_START") {
+		    if ($rest =~ s/\s+ITERATE\s+(\d+)//) {
+			$repeat = $1;
+			$repeat_tests{"$test_num"} = $repeat;
+		    }
+		} elsif ($rest =~ s/\sOVERRIDE\b//) {
+		    # DEFAULT only
+		    $override = 1;
+		    # Clear previous overrides
+		    %overrides = ();
+		}
+	    }
+
+	    if (!$skip && $rest !~ /^\s*$/) {
 		die "$name: $.: Gargbage found after $type\n$_";
 	    }
 
-- 
GitLab


From 8d735212e441af855afd28ccc402fcaf12999f8d Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Mon, 17 Oct 2011 11:36:44 -0400
Subject: [PATCH 0093/1594] ktest: Add processing of complex conditionals

The IF statements for DEFAULTS and TEST_START sections now handle
complex statements (&&,||)

Example:

  TEST_START IF (DEFINED ALL_TESTS || ${MYTEST} == boottest) && ${MACHINE} == gandalf

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl    | 53 +++++++++++++++++++++++++++++----
 tools/testing/ktest/sample.conf | 10 +++++++
 2 files changed, 58 insertions(+), 5 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index d292c2d8dfe9..1bda07f6d673 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -304,7 +304,7 @@ sub get_ktest_configs {
 }
 
 sub process_variables {
-    my ($value) = @_;
+    my ($value, $remove_undef) = @_;
     my $retval = "";
 
     # We want to check for '\', and it is just easier
@@ -322,6 +322,10 @@ sub process_variables {
 	$retval = "$retval$begin";
 	if (defined($variable{$var})) {
 	    $retval = "$retval$variable{$var}";
+	} elsif (defined($remove_undef) && $remove_undef) {
+	    # for if statements, any variable that is not defined,
+	    # we simple convert to 0
+	    $retval = "${retval}0";
 	} else {
 	    # put back the origin piece.
 	    $retval = "$retval\$\{$var\}";
@@ -403,10 +407,40 @@ sub value_defined {
 	defined($opt{$2});
 }
 
-sub process_if {
-    my ($name, $value) = @_;
+my $d = 0;
+sub process_expression {
+    my ($name, $val) = @_;
+
+    my $c = $d++;
+
+    while ($val =~ s/\(([^\(]*?)\)/\&\&\&\&VAL\&\&\&\&/) {
+	my $express = $1;
+
+	if (process_expression($name, $express)) {
+	    $val =~ s/\&\&\&\&VAL\&\&\&\&/ 1 /;
+	} else {
+	    $val =~ s/\&\&\&\&VAL\&\&\&\&/ 0 /;
+	}
+    }
+
+    $d--;
+    my $OR = "\\|\\|";
+    my $AND = "\\&\\&";
 
-    my $val = process_variables($value);
+    while ($val =~ s/^(.*?)($OR|$AND)//) {
+	my $express = $1;
+	my $op = $2;
+
+	if (process_expression($name, $express)) {
+	    if ($op eq "||") {
+		return 1;
+	    }
+	} else {
+	    if ($op eq "&&") {
+		return 0;
+	    }
+	}
+    }
 
     if ($val =~ /(.*)(==|\!=|>=|<=|>|<)(.*)/) {
 	my $ret = process_compare($1, $2, $3);
@@ -431,7 +465,16 @@ sub process_if {
     }
 
     die ("$name: $.: Undefined content $val in if statement\n");
-    return 1;
+}
+
+sub process_if {
+    my ($name, $value) = @_;
+
+    # Convert variables and replace undefined ones with 0
+    my $val = process_variables($value, 1);
+    my $ret = process_expression $name, $val;
+
+    return $ret;
 }
 
 sub __read_config {
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 7b49f07b6423..dbedfa196727 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -154,6 +154,16 @@
 # MAKE_CMD := make ARCH=x86
 #
 #
+# And/or ops (&&,||) may also be used to make complex conditionals.
+#
+# TEST_START IF (DEFINED ALL_TESTS || ${MYTEST} == boottest) && ${MACHINE} == gandalf
+#
+# Notice the use of paranthesis. Without any paranthesis the above would be
+# processed the same as:
+#
+# TEST_START IF DEFINED ALL_TESTS || (${MYTEST} == boottest && ${MACHINE} == gandalf)
+#
+#
 #
 # INCLUDE file
 #
-- 
GitLab


From c54367f9d6be8e19c6e98ae7038438f0377ee138 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Thu, 20 Oct 2011 09:56:41 -0400
Subject: [PATCH 0094/1594] ktest: Do not opencode reboot in grub setting

When setting the next kernel to boot to with grub, do not opencode
the reboot operation.  The normal reboot operation can be modified by
config options (namely POWERCYCLE_AFTER_REBOOT). This needs to affect
all reboots. Remove the opencoded reboot to make sure that any changes
to the reboot code also affect all reboots.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 1bda07f6d673..d60c496fb514 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1150,7 +1150,8 @@ sub wait_for_input
 
 sub reboot_to {
     if ($reboot_type eq "grub") {
-	run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch && reboot)'";
+	run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch)'";
+	reboot;
 	return;
     }
 
-- 
GitLab


From 9f7424cc86adf55c3fccaa1160b6cf5c6cfc4c02 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Sat, 22 Oct 2011 08:58:19 -0400
Subject: [PATCH 0095/1594] ktest: Add another monitor flush before installing
 kernel

On some tests that do multiple boots (patchcheck, bisect, etc), the build
of the next kernel to run may finish before the stable kernel has finished
booting. Then the install of the new kernel will fail when it tries to connect
as the machine has not finished the boot process.

Do one more monitor flush to make sure the machine is up and running before
trying to connect to it again.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index d60c496fb514..652446dd9e79 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1391,6 +1391,11 @@ sub get_version {
 }
 
 sub start_monitor_and_boot {
+    # Make sure the stable kernel has finished booting
+    start_monitor;
+    wait_for_monitor 5;
+    end_monitor;
+
     get_grub_index;
     get_version;
     install;
-- 
GitLab


From 7bf5107347d94bb056c5a0cf78f09e499c3d8f48 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Sat, 22 Oct 2011 09:07:03 -0400
Subject: [PATCH 0096/1594] ktest: Add variable ${PWD}

Adding the variable ${PWD} that equals `pwd` makes the config files
much simpler.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 652446dd9e79..9d9ee321a3dc 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -136,6 +136,9 @@ my %force_config;
 # do not force reboots on config problems
 my $no_reboot = 1;
 
+# default variables that can be used
+chomp ($variable{"PWD"} = `pwd`);
+
 $config_help{"MACHINE"} = << "EOF"
  The machine hostname that you will test.
 EOF
-- 
GitLab


From c2bc11113c50449f23c40b724fe410fc2380a8e9 Mon Sep 17 00:00:00 2001
From: John Stultz <john.stultz@linaro.org>
Date: Thu, 27 Oct 2011 18:12:42 -0700
Subject: [PATCH 0097/1594] time: Improve documentation of
 timekeeeping_adjust()

After getting a number of questions in private emails about the
math around admittedly very complex timekeeping_adjust() and
timekeeping_big_adjust(), I figure the code needs some better
comments.

Hopefully the explanations are clear enough and don't muddy the
water any worse.

Still needs documentation for ntp_error, but I couldn't recall
exactly the full explanation behind the code that's there
(although I do recall once working it out when Roman first
proposed it). Given a bit more time I can probably work it out,
but I don't want to hold back this documentation until then.

Signed-off-by: John Stultz <john.stultz@linaro.org>
Cc: Chen Jie <chenj@lemote.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1319764362-32367-1-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/time/timekeeping.c | 81 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 80 insertions(+), 1 deletion(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 2b021b0e8507..025e136f3881 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -802,14 +802,44 @@ static void timekeeping_adjust(s64 offset)
 	s64 error, interval = timekeeper.cycle_interval;
 	int adj;
 
+	/*
+	 * The point of this is to check if the error is greater then half
+	 * an interval.
+	 *
+	 * First we shift it down from NTP_SHIFT to clocksource->shifted nsecs.
+	 *
+	 * Note we subtract one in the shift, so that error is really error*2.
+	 * This "saves" dividing(shifting) intererval twice, but keeps the
+	 * (error > interval) comparision as still measuring if error is
+	 * larger then half an interval.
+	 *
+	 * Note: It does not "save" on aggrivation when reading the code.
+	 */
 	error = timekeeper.ntp_error >> (timekeeper.ntp_error_shift - 1);
 	if (error > interval) {
+		/*
+		 * We now divide error by 4(via shift), which checks if
+		 * the error is greater then twice the interval.
+		 * If it is greater, we need a bigadjust, if its smaller,
+		 * we can adjust by 1.
+		 */
 		error >>= 2;
+		/*
+		 * XXX - In update_wall_time, we round up to the next
+		 * nanosecond, and store the amount rounded up into
+		 * the error. This causes the likely below to be unlikely.
+		 *
+		 * The properfix is to avoid rounding up by using
+		 * the high precision timekeeper.xtime_nsec instead of
+		 * xtime.tv_nsec everywhere. Fixing this will take some
+		 * time.
+		 */
 		if (likely(error <= interval))
 			adj = 1;
 		else
 			adj = timekeeping_bigadjust(error, &interval, &offset);
 	} else if (error < -interval) {
+		/* See comment above, this is just switched for the negative */
 		error >>= 2;
 		if (likely(error >= -interval)) {
 			adj = -1;
@@ -817,9 +847,58 @@ static void timekeeping_adjust(s64 offset)
 			offset = -offset;
 		} else
 			adj = timekeeping_bigadjust(error, &interval, &offset);
-	} else
+	} else /* No adjustment needed */
 		return;
 
+	/*
+	 * So the following can be confusing.
+	 *
+	 * To keep things simple, lets assume adj == 1 for now.
+	 *
+	 * When adj != 1, remember that the interval and offset values
+	 * have been appropriately scaled so the math is the same.
+	 *
+	 * The basic idea here is that we're increasing the multiplier
+	 * by one, this causes the xtime_interval to be incremented by
+	 * one cycle_interval. This is because:
+	 *	xtime_interval = cycle_interval * mult
+	 * So if mult is being incremented by one:
+	 *	xtime_interval = cycle_interval * (mult + 1)
+	 * Its the same as:
+	 *	xtime_interval = (cycle_interval * mult) + cycle_interval
+	 * Which can be shortened to:
+	 *	xtime_interval += cycle_interval
+	 *
+	 * So offset stores the non-accumulated cycles. Thus the current
+	 * time (in shifted nanoseconds) is:
+	 *	now = (offset * adj) + xtime_nsec
+	 * Now, even though we're adjusting the clock frequency, we have
+	 * to keep time consistent. In other words, we can't jump back
+	 * in time, and we also want to avoid jumping forward in time.
+	 *
+	 * So given the same offset value, we need the time to be the same
+	 * both before and after the freq adjustment.
+	 *	now = (offset * adj_1) + xtime_nsec_1
+	 *	now = (offset * adj_2) + xtime_nsec_2
+	 * So:
+	 *	(offset * adj_1) + xtime_nsec_1 =
+	 *		(offset * adj_2) + xtime_nsec_2
+	 * And we know:
+	 *	adj_2 = adj_1 + 1
+	 * So:
+	 *	(offset * adj_1) + xtime_nsec_1 =
+	 *		(offset * (adj_1+1)) + xtime_nsec_2
+	 *	(offset * adj_1) + xtime_nsec_1 =
+	 *		(offset * adj_1) + offset + xtime_nsec_2
+	 * Canceling the sides:
+	 *	xtime_nsec_1 = offset + xtime_nsec_2
+	 * Which gives us:
+	 *	xtime_nsec_2 = xtime_nsec_1 - offset
+	 * Which simplfies to:
+	 *	xtime_nsec -= offset
+	 *
+	 * XXX - TODO: Doc ntp_error calculation.
+	 */
 	timekeeper.mult += adj;
 	timekeeper.xtime_interval += interval;
 	timekeeper.xtime_nsec -= offset;
-- 
GitLab


From 815e2bd7d609da9c7615ea28a3990064a394312f Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 28 Oct 2011 07:01:40 -0400
Subject: [PATCH 0098/1594] ktest: Evaluate variables entered on the command
 line

When ktest.pl is called without any arguments, or if the config
file does not exist, ktest.pl will ask the user for some information.
Some of these questions are code paths. Allowing the user to type
${PWD} for the current directory greatly simplifies these entries.

Add variable processing to the entered values.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 9d9ee321a3dc..30e2befd6f2a 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -250,6 +250,7 @@ sub read_yn {
 
 sub get_ktest_config {
     my ($config) = @_;
+    my $ans;
 
     return if (defined($opt{$config}));
 
@@ -263,16 +264,17 @@ sub get_ktest_config {
 	if (defined($default{$config})) {
 	    print "\[$default{$config}\] ";
 	}
-	$entered_configs{$config} = <STDIN>;
-	$entered_configs{$config} =~ s/^\s*(.*\S)\s*$/$1/;
-	if ($entered_configs{$config} =~ /^\s*$/) {
+	$ans = <STDIN>;
+	$ans =~ s/^\s*(.*\S)\s*$/$1/;
+	if ($ans =~ /^\s*$/) {
 	    if ($default{$config}) {
-		$entered_configs{$config} = $default{$config};
+		$ans = $default{$config};
 	    } else {
 		print "Your answer can not be blank\n";
 		next;
 	    }
 	}
+	$entered_configs{$config} = process_variables($ans);
 	last;
     }
 }
-- 
GitLab


From f74974c763c872d65da4062a14f4e73c77a0b577 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue, 11 Oct 2011 17:27:51 +0200
Subject: [PATCH 0099/1594] drm/i915: disable temporal dithering on the
 internal panel
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

<ajax> i'm getting tempted to just disable temporal
<mjg59> Approved.
<ajax> apparently it makes the screen look pulse-y which is worse
than the disease.

References: http://lists.freedesktop.org/archives/intel-gfx/2011-October/012545.html
Tested-by: Олег Герман <oleg.german@gmail.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 981b1f1c04d8..b75bd93cf59b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5671,7 +5671,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
 	pipeconf &= ~PIPECONF_DITHER_TYPE_MASK;
 	if ((is_lvds && dev_priv->lvds_dither) || dither) {
 		pipeconf |= PIPECONF_DITHER_EN;
-		pipeconf |= PIPECONF_DITHER_TYPE_ST1;
+		pipeconf |= PIPECONF_DITHER_TYPE_SP;
 	}
 	if (is_dp || intel_encoder_is_pch_edp(&has_edp_encoder->base)) {
 		intel_dp_set_m_n(crtc, mode, adjusted_mode);
-- 
GitLab


From 80a2901d2a59946d098c4479d650d0c3c82c3d85 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue, 11 Oct 2011 10:59:05 +0200
Subject: [PATCH 0100/1594] drm/i915: only match on PCI_BASE_CLASS_DISPLAY

... not DISPLAY_VGA, because we ignore the VGA subclass with our
class_mask.

It confused me until Chris Wilson clued me up.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 4c8d681c2151..548e04bade3c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -106,7 +106,7 @@ static struct drm_driver driver;
 extern int intel_agp_enabled;
 
 #define INTEL_VGA_DEVICE(id, info) {		\
-	.class = PCI_CLASS_DISPLAY_VGA << 8,	\
+	.class = PCI_BASE_CLASS_DISPLAY << 16,	\
 	.class_mask = 0xff0000,			\
 	.vendor = 0x8086,			\
 	.device = id,				\
-- 
GitLab


From 828204903945002be837d938401e242978b7b505 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 10 Oct 2011 16:33:34 -0400
Subject: [PATCH 0101/1594] drm/i915: intel_choose_pipe_bpp_dither messages
 should be DRM_DEBUG_KMS

Shouldn't hide these behind _DRIVER, they're all KMS-related.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_display.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b75bd93cf59b..9fa342e89454 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4711,7 +4711,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
 				lvds_bpc = 6;
 
 			if (lvds_bpc < display_bpc) {
-				DRM_DEBUG_DRIVER("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc);
+				DRM_DEBUG_KMS("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc);
 				display_bpc = lvds_bpc;
 			}
 			continue;
@@ -4722,7 +4722,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
 			unsigned int edp_bpc = dev_priv->edp.bpp / 3;
 
 			if (edp_bpc < display_bpc) {
-				DRM_DEBUG_DRIVER("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
+				DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
 				display_bpc = edp_bpc;
 			}
 			continue;
@@ -4737,7 +4737,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
 			/* Don't use an invalid EDID bpc value */
 			if (connector->display_info.bpc &&
 			    connector->display_info.bpc < display_bpc) {
-				DRM_DEBUG_DRIVER("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc);
+				DRM_DEBUG_KMS("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc);
 				display_bpc = connector->display_info.bpc;
 			}
 		}
@@ -4748,10 +4748,10 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
 		 */
 		if (intel_encoder->type == INTEL_OUTPUT_HDMI) {
 			if (display_bpc > 8 && display_bpc < 12) {
-				DRM_DEBUG_DRIVER("forcing bpc to 12 for HDMI\n");
+				DRM_DEBUG_KMS("forcing bpc to 12 for HDMI\n");
 				display_bpc = 12;
 			} else {
-				DRM_DEBUG_DRIVER("forcing bpc to 8 for HDMI\n");
+				DRM_DEBUG_KMS("forcing bpc to 8 for HDMI\n");
 				display_bpc = 8;
 			}
 		}
@@ -4789,8 +4789,8 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
 
 	display_bpc = min(display_bpc, bpc);
 
-	DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n",
-			 bpc, display_bpc);
+	DRM_DEBUG_KMS("setting pipe bpc to %d (max display bpc %d)\n",
+		      bpc, display_bpc);
 
 	*pipe_bpp = display_bpc * 3;
 
-- 
GitLab


From 3fca806cf343155d0bb0dfbdbc2e51ef47b65750 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 28 Oct 2011 14:42:41 +0300
Subject: [PATCH 0102/1594] drm/i915: fix if statement (bogus semi-colon)

The semi-colon is a typo here and it makes the if statement
unconditional.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/char/agp/intel-gtt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 66cd0b8096ca..3a8d44886010 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1236,7 +1236,7 @@ static int i9xx_setup(void)
 		intel_private.gtt_bus_addr = reg_addr + gtt_offset;
 	}
 
-	if (needs_idle_maps());
+	if (needs_idle_maps())
 		intel_private.base.do_idle_maps = 1;
 
 	intel_i9xx_setup_flush();
-- 
GitLab


From c5e62bdd73da80e1017058c923336a5a150af9f2 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 28 Oct 2011 10:28:00 -0700
Subject: [PATCH 0103/1594] agp: iommu_gfx_mapped only available if
 CONFIG_INTEL_IOMMU is set

Kernels with no iommu support cannot ever need the Ironlake
work-around, so never enable it in that case.

Might be better to completely remove the work-around from the kernel
in this case?

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
---
 drivers/char/agp/intel-gtt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 3a8d44886010..c92424ca1a55 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1186,10 +1186,11 @@ static void gen6_cleanup(void)
 /* Certain Gen5 chipsets require require idling the GPU before
  * unmapping anything from the GTT when VT-d is enabled.
  */
-extern int intel_iommu_gfx_mapped;
 static inline int needs_idle_maps(void)
 {
+#ifdef CONFIG_INTEL_IOMMU
 	const unsigned short gpu_devid = intel_private.pcidev->device;
+	extern int intel_iommu_gfx_mapped;
 
 	/* Query intel_iommu to see if we need the workaround. Presumably that
 	 * was loaded first.
@@ -1198,7 +1199,7 @@ static inline int needs_idle_maps(void)
 	     gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) &&
 	     intel_iommu_gfx_mapped)
 		return 1;
-
+#endif
 	return 0;
 }
 
-- 
GitLab


From f0eb824beee3f596b9799e667a6fdac3116e9f7d Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Fri, 14 Oct 2011 15:31:59 +0200
Subject: [PATCH 0104/1594] gpio: pca953x: remove unneeded check for chip type

We can assume our own device_id table is correct, so remove checking if
the chip type is valid. (The check was bogus anyway: If it found an
invalid entry, it returned with 0!) This is in preparation for further
cleanups.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/gpio/gpio-pca953x.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index c43b8ff626a7..45de6a4ac632 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -673,10 +673,8 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 
 	if (chip->chip_type == PCA953X_TYPE)
 		device_pca953x_init(chip, invert);
-	else if (chip->chip_type == PCA957X_TYPE)
-		device_pca957x_init(chip, invert);
 	else
-		goto out_failed;
+		device_pca957x_init(chip, invert);
 
 	ret = pca953x_irq_setup(chip, id, irq_base);
 	if (ret)
-- 
GitLab


From 7ea2aa2046a15af1c048115e7c05f1ba1566899d Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Fri, 14 Oct 2011 15:32:00 +0200
Subject: [PATCH 0105/1594] gpio: pca953x: propagate the errno from the
 chip_init functions

Initializing the chips may return with an error, but this error gets
dropped in probe(). Propagate this further to the driver core. Also,
simplify returning the error in one of the init functions.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/gpio/gpio-pca953x.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 45de6a4ac632..a3fef0c94ba6 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -595,9 +595,6 @@ static int __devinit device_pca953x_init(struct pca953x_chip *chip, int invert)
 
 	/* set platform specific polarity inversion */
 	ret = pca953x_write_reg(chip, PCA953X_INVERT, invert);
-	if (ret)
-		goto out;
-	return 0;
 out:
 	return ret;
 }
@@ -639,7 +636,7 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 	struct pca953x_platform_data *pdata;
 	struct pca953x_chip *chip;
 	int irq_base=0, invert=0;
-	int ret = 0;
+	int ret;
 
 	chip = kzalloc(sizeof(struct pca953x_chip), GFP_KERNEL);
 	if (chip == NULL)
@@ -672,9 +669,11 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 	pca953x_setup_gpio(chip, id->driver_data & PCA_GPIO_MASK);
 
 	if (chip->chip_type == PCA953X_TYPE)
-		device_pca953x_init(chip, invert);
+		ret = device_pca953x_init(chip, invert);
 	else
-		device_pca957x_init(chip, invert);
+		ret = device_pca957x_init(chip, invert);
+	if (ret)
+		goto out_failed;
 
 	ret = pca953x_irq_setup(chip, id, irq_base);
 	if (ret)
-- 
GitLab


From 0d52f54e2ef64c189dedc332e680b2eb4a34590a Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Sat, 22 Oct 2011 00:43:38 +0200
Subject: [PATCH 0106/1594] PCI / ACPI: Make acpiphp ignore root bridges using
 PCIe native hotplug

If the kernel has requested control of the PCIe native hotplug
feature for a given root complex, the acpiphp driver should not try
to handle that root complex and it should leave it to pciehp.
Failing to do so causes problems to happen if acpiphp is loaded
before pciehp on such systems.

To address this issue make find_root_bridges() ignore PCIe root
complexes with PCIe native hotplug enabled and make add_bridge()
return error code if PCIe native hotplug is enabled for the given
root port.  This causes acpiphp to refuse to load if PCIe native
hotplug is enabled for all complexes and to refuse binding to
the root complexes with PCIe native hotplug is enabled.

Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/acpiphp_glue.c | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 596172b4ae95..fce1c54a0c8d 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -459,8 +459,17 @@ static int add_bridge(acpi_handle handle)
 {
 	acpi_status status;
 	unsigned long long tmp;
+	struct acpi_pci_root *root;
 	acpi_handle dummy_handle;
 
+	/*
+	 * We shouldn't use this bridge if PCIe native hotplug control has been
+	 * granted by the BIOS for it.
+	 */
+	root = acpi_pci_find_root(handle);
+	if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
+		return -ENODEV;
+
 	/* if the bridge doesn't have _STA, we assume it is always there */
 	status = acpi_get_handle(handle, "_STA", &dummy_handle);
 	if (ACPI_SUCCESS(status)) {
@@ -1376,13 +1385,23 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type,
 static acpi_status
 find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
+	struct acpi_pci_root *root;
 	int *count = (int *)context;
 
-	if (acpi_is_root_bridge(handle)) {
-		acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
-				handle_hotplug_event_bridge, NULL);
-			(*count)++;
-	}
+	if (!acpi_is_root_bridge(handle))
+		return AE_OK;
+
+	root = acpi_pci_find_root(handle);
+	if (!root)
+		return AE_OK;
+
+	if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
+		return AE_OK;
+
+	(*count)++;
+	acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+				    handle_hotplug_event_bridge, NULL);
+
 	return AE_OK ;
 }
 
-- 
GitLab


From 466b3ddfbcf4f5ce402a77397630a0fa9ea9ce6b Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Sun, 30 Oct 2011 16:35:08 +0100
Subject: [PATCH 0107/1594] PCI: Fix compile errors with PCI_ATS and !PCI_IOV

The ats and sroiv members of 'struct pci_dev' are required
for the ATS code already, even without IOV support compiled
in. So depend on ATS here. This is fine with PCI_IOV too
because it selects PCI_ATS. Also the prototypes for ATS
need to be available for PCI_ATS.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 include/linux/pci-ats.h | 6 +++---
 include/linux/pci.h     | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h
index e3d0b3890249..7ef68724f0f0 100644
--- a/include/linux/pci-ats.h
+++ b/include/linux/pci-ats.h
@@ -12,7 +12,7 @@ struct pci_ats {
 	unsigned int is_enabled:1;      /* Enable bit is set */
 };
 
-#ifdef CONFIG_PCI_IOV
+#ifdef CONFIG_PCI_ATS
 
 extern int pci_enable_ats(struct pci_dev *dev, int ps);
 extern void pci_disable_ats(struct pci_dev *dev);
@@ -29,7 +29,7 @@ static inline int pci_ats_enabled(struct pci_dev *dev)
 	return dev->ats && dev->ats->is_enabled;
 }
 
-#else /* CONFIG_PCI_IOV */
+#else /* CONFIG_PCI_ATS */
 
 static inline int pci_enable_ats(struct pci_dev *dev, int ps)
 {
@@ -50,7 +50,7 @@ static inline int pci_ats_enabled(struct pci_dev *dev)
 	return 0;
 }
 
-#endif /* CONFIG_PCI_IOV */
+#endif /* CONFIG_PCI_ATS */
 
 #ifdef CONFIG_PCI_PRI
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 337df0d5d5f7..7cda65b5f798 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -338,7 +338,7 @@ struct pci_dev {
 	struct list_head msi_list;
 #endif
 	struct pci_vpd *vpd;
-#ifdef CONFIG_PCI_IOV
+#ifdef CONFIG_PCI_ATS
 	union {
 		struct pci_sriov *sriov;	/* SR-IOV capability related */
 		struct pci_dev *physfn;	/* the PF this VF is associated with */
-- 
GitLab


From c54420d3302d30999060e2669d0800b85e5b5a20 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Sun, 30 Oct 2011 16:35:07 +0100
Subject: [PATCH 0108/1594] PCI: Let PCI_PRI depend on PCI

This avoids the PCI_PRI question in 'make config' when PCI
is not selected.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index cec66064ee4b..8252fc3430bd 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -87,6 +87,7 @@ config PCI_IOV
 
 config PCI_PRI
 	bool "PCI PRI support"
+	depends on PCI
 	select PCI_ATS
 	help
 	  PRI is the PCI Page Request Interface. It allows PCI devices that are
-- 
GitLab


From 51ce185af0f71b65c23ed719f72d0241895a61da Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Tue, 1 Nov 2011 00:51:30 -0700
Subject: [PATCH 0109/1594] sparc: Hook up process_vm_{readv,writev} syscalls.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/include/asm/unistd.h | 4 +++-
 arch/sparc/kernel/systbls_32.S  | 2 +-
 arch/sparc/kernel/systbls_64.S  | 4 ++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 6260d5deeabc..c7cb0af0eb59 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -406,8 +406,10 @@
 #define __NR_syncfs		335
 #define __NR_sendmmsg		336
 #define __NR_setns		337
+#define __NR_process_vm_readv	338
+#define __NR_process_vm_writev	339
 
-#define NR_syscalls		338
+#define NR_syscalls		340
 
 #ifdef __32bit_syscall_numbers__
 /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 09d8ec454450..63402f9e9f51 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -84,4 +84,4 @@ sys_call_table:
 /*320*/	.long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
 /*325*/	.long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init
 /*330*/	.long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
-/*335*/	.long sys_syncfs, sys_sendmmsg, sys_setns
+/*335*/	.long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index edbec45d4688..db86b1a0e9a9 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -85,7 +85,7 @@ sys_call_table32:
 /*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv
 	.word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg, sys_fanotify_init
 /*330*/	.word sys32_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime
-	.word sys_syncfs, compat_sys_sendmmsg, sys_setns
+	.word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
 
 #endif /* CONFIG_COMPAT */
 
@@ -162,4 +162,4 @@ sys_call_table:
 /*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
 	.word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init
 /*330*/	.word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
-	.word sys_syncfs, sys_sendmmsg, sys_setns
+	.word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
-- 
GitLab


From 627f7675f0f530ea555d76543dc4e469d70a1532 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Mon, 31 Oct 2011 11:30:10 -0700
Subject: [PATCH 0110/1594] drm/i915: Use mode_config.mutex in
 ironlake_panel_vdd_work

Use of the struct_mutex is not correct for locking in mode setting paths.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index fc1a0832af4f..7259034b33d1 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -971,9 +971,9 @@ static void ironlake_panel_vdd_work(struct work_struct *__work)
 						 struct intel_dp, panel_vdd_work);
 	struct drm_device *dev = intel_dp->base.base.dev;
 
-	mutex_lock(&dev->struct_mutex);
+	mutex_lock(&dev->mode_config.mutex);
 	ironlake_panel_vdd_off_sync(intel_dp);
-	mutex_unlock(&dev->struct_mutex);
+	mutex_unlock(&dev->mode_config.mutex);
 }
 
 static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
-- 
GitLab


From ff56b0bc84c01fb2c5d2ec6438becfe0f5f2f78f Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 31 Oct 2011 23:16:21 -0700
Subject: [PATCH 0111/1594] drm/i915: Fix object refcount leak on mmappable
 size limit error path.

I've been seeing memory leaks on my system in the form of large
(300-400MB) GEM objects created by now-dead processes laying around
clogging up memory.  I usually notice when it gets to about 1.2GB of
them.  Hopefully this clears up the issue, but I just found this bug
by inspection.

Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: stable@kernel.org
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6651c36b6e8a..d18b07adcffa 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1396,7 +1396,7 @@ i915_gem_mmap_gtt(struct drm_file *file,
 
 	if (obj->base.size > dev_priv->mm.gtt_mappable_end) {
 		ret = -E2BIG;
-		goto unlock;
+		goto out;
 	}
 
 	if (obj->madv != I915_MADV_WILLNEED) {
-- 
GitLab


From fb223c32b4d3ee593c8dce07e983680d06abe387 Mon Sep 17 00:00:00 2001
From: Jonathan Corbet <corbet@lwn.net>
Date: Wed, 2 Nov 2011 09:15:16 +1100
Subject: [PATCH 0112/1594] crypto: user - Fix rwsem leak in crypto_user

The list_empty case in crypto_alg_match() will return without calling
up_read() on crypto_alg_sem.  We could do the "goto out" routine, but the
function will clearly do the right thing with that test simply removed.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/crypto_user.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 2abca780312d..0605a2bbba75 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -44,9 +44,6 @@ static struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact)
 
 	down_read(&crypto_alg_sem);
 
-	if (list_empty(&crypto_alg_list))
-		return NULL;
-
 	list_for_each_entry(q, &crypto_alg_list, cra_list) {
 		int match = 0;
 
-- 
GitLab


From 47a6770ac6cd0d28f14dd9e1b17705abe6f05e41 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@codeaurora.org>
Date: Tue, 25 Oct 2011 09:35:19 -0700
Subject: [PATCH 0113/1594] msm: boards: Fix fallout from removal of
 machine_desc in fixup

After 0744a3ee (ARM: platform fixups: remove mdesc argument to
fixup function, 2010-12-20) the fixup functions introduced in
9e775ad (ARM: 7012/1: Set proper TEXT_OFFSET for newer MSMs,
2011-08-12) cause warnings like:

arch/arm/mach-msm/board-msm8x60.c:85: warning: initialization
from incompatible pointer type

Fix them by removing the machine_desc argument from the fixup
functions.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
---
 arch/arm/mach-msm/board-msm7x30.c | 4 ++--
 arch/arm/mach-msm/board-msm8960.c | 4 ++--
 arch/arm/mach-msm/board-msm8x60.c | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index 71de5062c71e..db81ed531031 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -42,8 +42,8 @@
 
 extern struct sys_timer msm_timer;
 
-static void __init msm7x30_fixup(struct machine_desc *desc, struct tag *tag,
-			 char **cmdline, struct meminfo *mi)
+static void __init msm7x30_fixup(struct tag *tag, char **cmdline,
+		struct meminfo *mi)
 {
 	for (; tag->hdr.size; tag = tag_next(tag))
 		if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
diff --git a/arch/arm/mach-msm/board-msm8960.c b/arch/arm/mach-msm/board-msm8960.c
index b04468e7d00e..6dc1cbd2a595 100644
--- a/arch/arm/mach-msm/board-msm8960.c
+++ b/arch/arm/mach-msm/board-msm8960.c
@@ -32,8 +32,8 @@
 
 #include "devices.h"
 
-static void __init msm8960_fixup(struct machine_desc *desc, struct tag *tag,
-			 char **cmdline, struct meminfo *mi)
+static void __init msm8960_fixup(struct tag *tag, char **cmdline,
+		struct meminfo *mi)
 {
 	for (; tag->hdr.size; tag = tag_next(tag))
 		if (tag->hdr.tag == ATAG_MEM &&
diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c
index 106170fb1844..eed73e2609ed 100644
--- a/arch/arm/mach-msm/board-msm8x60.c
+++ b/arch/arm/mach-msm/board-msm8x60.c
@@ -30,8 +30,8 @@
 #include <mach/board.h>
 #include <mach/msm_iomap.h>
 
-static void __init msm8x60_fixup(struct machine_desc *desc, struct tag *tag,
-			 char **cmdline, struct meminfo *mi)
+static void __init msm8x60_fixup(struct tag *tag, char **cmdline,
+		struct meminfo *mi)
 {
 	for (; tag->hdr.size; tag = tag_next(tag))
 		if (tag->hdr.tag == ATAG_MEM &&
-- 
GitLab


From f43d623164022dcbf6750ef220b7a1133a1183eb Mon Sep 17 00:00:00 2001
From: Don Zickus <dzickus@redhat.com>
Date: Thu, 20 Oct 2011 23:52:14 -0400
Subject: [PATCH 0114/1594] usb, xhci: fix lockdep warning on endpoint timeout

While debugging a usb3 problem, I stumbled upon this lockdep warning.

Oct 18 21:41:17 dhcp47-74 kernel: =================================
Oct 18 21:41:17 dhcp47-74 kernel: [ INFO: inconsistent lock state ]
Oct 18 21:41:17 dhcp47-74 kernel: 3.1.0-rc4nmi+ #456
Oct 18 21:41:17 dhcp47-74 kernel: ---------------------------------
Oct 18 21:41:17 dhcp47-74 kernel: inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
Oct 18 21:41:17 dhcp47-74 kernel: swapper/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
Oct 18 21:41:17 dhcp47-74 kernel: (&(&xhci->lock)->rlock){?.-...}, at: [<ffffffffa0228990>] xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: {IN-HARDIRQ-W} state was registered at:
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8109a941>] __lock_acquire+0x781/0x1660
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8109bed7>] lock_acquire+0x97/0x170
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff81501b46>] _raw_spin_lock+0x46/0x80
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffffa02299fa>] xhci_irq+0x3a/0x1960 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffffa022b351>] xhci_msi_irq+0x31/0x40 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff810d2305>] handle_irq_event_percpu+0x85/0x320
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff810d25e8>] handle_irq_event+0x48/0x70
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff810d537d>] handle_edge_irq+0x6d/0x130
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff810048c9>] handle_irq+0x49/0xa0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8150d56d>] do_IRQ+0x5d/0xe0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff815029b0>] ret_from_intr+0x0/0x13
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff81388aca>] usb_set_device_state+0x8a/0x180
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8138f038>] usb_add_hcd+0x2b8/0x730
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffffa022ed7e>] xhci_pci_probe+0x9e/0xd4 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8127915f>] local_pci_probe+0x5f/0xd0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8127a569>] pci_device_probe+0x119/0x120
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff81334473>] driver_probe_device+0xa3/0x2c0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8133473b>] __driver_attach+0xab/0xb0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8133373c>] bus_for_each_dev+0x6c/0xa0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff813341fe>] driver_attach+0x1e/0x20
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff81333b88>] bus_add_driver+0x1f8/0x2b0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff81334df6>] driver_register+0x76/0x140
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8127a7c6>] __pci_register_driver+0x66/0xe0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffffa013c04a>] snd_timer_find+0x4a/0x70 [snd_timer]
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffffa013c00e>] snd_timer_find+0xe/0x70 [snd_timer]
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff810001d3>] do_one_initcall+0x43/0x180
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff810a9ed2>] sys_init_module+0x92/0x1f0
Oct 18 21:41:17 dhcp47-74 kernel:  [<ffffffff8150ab6b>] system_call_fastpath+0x16/0x1b
Oct 18 21:41:17 dhcp47-74 kernel: irq event stamp: 631984
Oct 18 21:41:17 dhcp47-74 kernel: hardirqs last  enabled at (631984): [<ffffffff81502720>] _raw_spin_unlock_irq+0x30/0x50
Oct 18 21:41:17 dhcp47-74 kernel: hardirqs last disabled at (631983): [<ffffffff81501c49>] _raw_spin_lock_irq+0x19/0x90
Oct 18 21:41:17 dhcp47-74 kernel: softirqs last  enabled at (631980): [<ffffffff8105ff63>] _local_bh_enable+0x13/0x20
Oct 18 21:41:17 dhcp47-74 kernel: softirqs last disabled at (631981): [<ffffffff8150ce6c>] call_softirq+0x1c/0x30
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: other info that might help us debug this:
Oct 18 21:41:17 dhcp47-74 kernel: Possible unsafe locking scenario:
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel:       CPU0
Oct 18 21:41:17 dhcp47-74 kernel:       ----
Oct 18 21:41:17 dhcp47-74 kernel:  lock(&(&xhci->lock)->rlock);
Oct 18 21:41:17 dhcp47-74 kernel:  <Interrupt>
Oct 18 21:41:17 dhcp47-74 kernel:    lock(&(&xhci->lock)->rlock);
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: *** DEADLOCK ***
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: 1 lock held by swapper/0:
Oct 18 21:41:17 dhcp47-74 kernel: #0:  (&ep->stop_cmd_timer){+.-...}, at: [<ffffffff8106abf2>] run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: stack backtrace:
Oct 18 21:41:17 dhcp47-74 kernel: Pid: 0, comm: swapper Tainted: G        W   3.1.0-rc4nmi+ #456
Oct 18 21:41:17 dhcp47-74 kernel: Call Trace:
Oct 18 21:41:17 dhcp47-74 kernel: <IRQ>  [<ffffffff81098ed7>] print_usage_bug+0x227/0x270
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810999c6>] mark_lock+0x346/0x410
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109a7de>] __lock_acquire+0x61e/0x1660
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81099893>] ? mark_lock+0x213/0x410
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109bed7>] lock_acquire+0x97/0x170
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] ? xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81501b46>] _raw_spin_lock+0x46/0x80
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] ? xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106abf2>] ? run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106ac9d>] run_timer_softirq+0x20d/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106abf2>] ? run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228960>] ? xhci_queue_isoc_tx_prepare+0x8e0/0x8e0 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810604d2>] __do_softirq+0xf2/0x3f0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81020edd>] ? lapic_next_event+0x1d/0x30
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81090d4e>] ? clockevents_program_event+0x5e/0x90
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150ce6c>] call_softirq+0x1c/0x30
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8100484d>] do_softirq+0x8d/0xc0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8105ff35>] irq_exit+0xe5/0x100
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150d65e>] smp_apic_timer_interrupt+0x6e/0x99
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150b6f0>] apic_timer_interrupt+0x70/0x80
Oct 18 21:41:17 dhcp47-74 kernel: <EOI>  [<ffffffff81095d8d>] ? trace_hardirqs_off+0xd/0x10
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff812ddb76>] ? acpi_idle_enter_bm+0x227/0x25b
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff812ddb71>] ? acpi_idle_enter_bm+0x222/0x25b
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff813eda63>] cpuidle_idle_call+0x103/0x290
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81002155>] cpu_idle+0xe5/0x160
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff814e7f50>] rest_init+0xe0/0xf0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff814e7e70>] ? csum_partial_copy_generic+0x170/0x170
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8e23>] start_kernel+0x3fc/0x407
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8321>] x86_64_start_reservations+0x131/0x135
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8412>] x86_64_start_kernel+0xed/0xf4
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: xHCI host not responding to stop endpoint command.
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: Assuming host is dying, halting host.
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: HC died; cleaning up
Oct 18 21:41:17 dhcp47-74 kernel: usb 3-4: device descriptor read/8, error -110
Oct 18 21:41:17 dhcp47-74 kernel: usb 3-4: device descriptor read/8, error -22
Oct 18 21:41:17 dhcp47-74 kernel: hub 3-0:1.0: cannot disable port 4 (err = -19)

Basically what is happening is in xhci_stop_endpoint_command_watchdog()
the xhci->lock is grabbed with just spin_lock.  What lockdep deduces is
that if an interrupt occurred while in this function it would deadlock
with xhci_irq because that function also grabs the xhci->lock.

Fixing it is trivial by using spin_lock_irqsave instead.

This should be queued to stable kernels as far back as 2.6.33.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
---
 drivers/usb/host/xhci-ring.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 940321b3ec68..9f1d4b15d818 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -816,23 +816,24 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
 	struct xhci_ring *ring;
 	struct xhci_td *cur_td;
 	int ret, i, j;
+	unsigned long flags;
 
 	ep = (struct xhci_virt_ep *) arg;
 	xhci = ep->xhci;
 
-	spin_lock(&xhci->lock);
+	spin_lock_irqsave(&xhci->lock, flags);
 
 	ep->stop_cmds_pending--;
 	if (xhci->xhc_state & XHCI_STATE_DYING) {
 		xhci_dbg(xhci, "Stop EP timer ran, but another timer marked "
 				"xHCI as DYING, exiting.\n");
-		spin_unlock(&xhci->lock);
+		spin_unlock_irqrestore(&xhci->lock, flags);
 		return;
 	}
 	if (!(ep->stop_cmds_pending == 0 && (ep->ep_state & EP_HALT_PENDING))) {
 		xhci_dbg(xhci, "Stop EP timer ran, but no command pending, "
 				"exiting.\n");
-		spin_unlock(&xhci->lock);
+		spin_unlock_irqrestore(&xhci->lock, flags);
 		return;
 	}
 
@@ -844,11 +845,11 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
 	xhci->xhc_state |= XHCI_STATE_DYING;
 	/* Disable interrupts from the host controller and start halting it */
 	xhci_quiesce(xhci);
-	spin_unlock(&xhci->lock);
+	spin_unlock_irqrestore(&xhci->lock, flags);
 
 	ret = xhci_halt(xhci);
 
-	spin_lock(&xhci->lock);
+	spin_lock_irqsave(&xhci->lock, flags);
 	if (ret < 0) {
 		/* This is bad; the host is not responding to commands and it's
 		 * not allowing itself to be halted.  At least interrupts are
@@ -896,7 +897,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
 			}
 		}
 	}
-	spin_unlock(&xhci->lock);
+	spin_unlock_irqrestore(&xhci->lock, flags);
 	xhci_dbg(xhci, "Calling usb_hc_died()\n");
 	usb_hc_died(xhci_to_hcd(xhci)->primary_hcd);
 	xhci_dbg(xhci, "xHCI host controller is dead.\n");
-- 
GitLab


From 86f14df8ed1ecec5cefe7d002b4d297e298238c2 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 2 Nov 2011 21:36:32 +0000
Subject: [PATCH 0115/1594] ASoC: Update git repository URL

Remove the -2.6 from the name.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 MAINTAINERS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index bbf42cd74e2a..63b58dd1561e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6001,7 +6001,7 @@ F:	sound/
 SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
 M:	Liam Girdwood <lrg@ti.com>
 M:	Mark Brown <broonie@opensource.wolfsonmicro.com>
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
 W:	http://alsa-project.org/main/index.php/ASoC
 S:	Supported
-- 
GitLab


From c75d720fca8a91ce99196d33adea383621027bf2 Mon Sep 17 00:00:00 2001
From: Edward Donovan <edward.donovan@numble.net>
Date: Tue, 1 Nov 2011 15:29:44 -0400
Subject: [PATCH 0116/1594] genirq: Fix irqfixup, irqpoll regression

commit d05c65fff0 ("genirq: spurious: Run only one poller at a time")
introduced a regression, leaving the boot options 'irqfixup' and
'irqpoll' non-functional. The patch placed tests in each function, to
exit if the function is already running. The test in 'misrouted_irq'
exited when it should have proceeded, effectively disabling
'misrouted_irq' and 'poll_spurious_irqs'.

The check for an already running poller needs to be "!= 1" not "== 1"
as "1" is the value when the first poller starts running.

Signed-off-by: Edward Donovan <edward.donovan@numble.net>
Cc: maciej.rutecki@gmail.com
Link: http://lkml.kernel.org/r/1320175784-6745-1-git-send-email-edward.donovan@numble.net
Cc: stable@vger.kernel.org # >= 2.6.39
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/irq/spurious.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index aa57d5da18c1..b5f4742693c0 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -115,7 +115,7 @@ static int misrouted_irq(int irq)
 	struct irq_desc *desc;
 	int i, ok = 0;
 
-	if (atomic_inc_return(&irq_poll_active) == 1)
+	if (atomic_inc_return(&irq_poll_active) != 1)
 		goto out;
 
 	irq_poll_cpu = smp_processor_id();
-- 
GitLab


From 616fdb5afb12b4d5bb9e36df40d039e86aaaefc2 Mon Sep 17 00:00:00 2001
From: Ben Widawsky <ben@bwidawsk.net>
Date: Wed, 5 Oct 2011 11:44:54 -0700
Subject: [PATCH 0117/1594] drm/i915: forcewake warning fixes in debugfs

Some more unsafe debugfs access are fixed with this patch. I tested all reads,
but didn't thoroughly test the writes.

Cc: "Nicolas Kalkhof" <nkalkhof@web.de>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 57 ++++++++++++++++++++++++++---
 1 file changed, 51 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 8e95d66800b0..f2e02075d510 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -635,11 +635,16 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring;
+	int ret;
 
 	ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
 	if (ring->size == 0)
 		return 0;
 
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
+
 	seq_printf(m, "Ring %s:\n", ring->name);
 	seq_printf(m, "  Head :    %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR);
 	seq_printf(m, "  Tail :    %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR);
@@ -653,6 +658,8 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
 	seq_printf(m, "  Control : %08x\n", I915_READ_CTL(ring));
 	seq_printf(m, "  Start :   %08x\n", I915_READ_START(ring));
 
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
@@ -841,7 +848,16 @@ static int i915_rstdby_delays(struct seq_file *m, void *unused)
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	u16 crstanddelay = I915_READ16(CRSTANDVID);
+	u16 crstanddelay;
+	int ret;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
+
+	crstanddelay = I915_READ16(CRSTANDVID);
+
+	mutex_unlock(&dev->struct_mutex);
 
 	seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
 
@@ -939,7 +955,11 @@ static int i915_delayfreq_table(struct seq_file *m, void *unused)
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 delayfreq;
-	int i;
+	int ret, i;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
 
 	for (i = 0; i < 16; i++) {
 		delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
@@ -947,6 +967,8 @@ static int i915_delayfreq_table(struct seq_file *m, void *unused)
 			   (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);
 	}
 
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
@@ -961,13 +983,19 @@ static int i915_inttoext_table(struct seq_file *m, void *unused)
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 inttoext;
-	int i;
+	int ret, i;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
 
 	for (i = 1; i <= 32; i++) {
 		inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
 		seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
 	}
 
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
@@ -976,9 +1004,19 @@ static int i915_drpc_info(struct seq_file *m, void *unused)
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	u32 rgvmodectl = I915_READ(MEMMODECTL);
-	u32 rstdbyctl = I915_READ(RSTDBYCTL);
-	u16 crstandvid = I915_READ16(CRSTANDVID);
+	u32 rgvmodectl, rstdbyctl;
+	u16 crstandvid;
+	int ret;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
+
+	rgvmodectl = I915_READ(MEMMODECTL);
+	rstdbyctl = I915_READ(RSTDBYCTL);
+	crstandvid = I915_READ16(CRSTANDVID);
+
+	mutex_unlock(&dev->struct_mutex);
 
 	seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
 		   "yes" : "no");
@@ -1166,9 +1204,16 @@ static int i915_gfxec(struct seq_file *m, void *unused)
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
+	int ret;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
 
 	seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
 
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
-- 
GitLab


From 775d17b6ca4357048f36c22151335addfe15db4b Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun, 9 Oct 2011 21:52:01 +0200
Subject: [PATCH 0118/1594] drm/i915: Ivybridge still has fences!

So don't forget to restore them on resume and dump them into
the error state.

Cc: stable@kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_irq.c     | 1 +
 drivers/gpu/drm/i915/i915_suspend.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 9ee2729fe5c6..b40004b55977 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -824,6 +824,7 @@ static void i915_gem_record_fences(struct drm_device *dev,
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			error->fence[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index f8f602d76650..7886e4fb60e3 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -370,6 +370,7 @@ static void i915_save_modeset_reg(struct drm_device *dev)
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
@@ -404,6 +405,7 @@ static void i915_restore_modeset_reg(struct drm_device *dev)
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->saveFENCE[i]);
-- 
GitLab


From 4b9de737fad5bd8993e6070530802de22f32744d Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun, 9 Oct 2011 21:52:02 +0200
Subject: [PATCH 0119/1594] drm/i915: add constants to size fence arrays and
 fields

In preparation of to support 32 fences on Ivybdrigde.

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_drv.h | 15 ++++++++-------
 drivers/gpu/drm/i915/i915_gem.c |  4 ++--
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 06a37f4fd74b..d2da91f90252 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -126,6 +126,9 @@ struct drm_i915_master_private {
 	struct _drm_i915_sarea *sarea_priv;
 };
 #define I915_FENCE_REG_NONE -1
+#define I915_MAX_NUM_FENCES 16
+/* 16 fences + sign bit for FENCE_REG_NONE */
+#define I915_MAX_NUM_FENCE_BITS 5
 
 struct drm_i915_fence_reg {
 	struct list_head lru_list;
@@ -168,7 +171,7 @@ struct drm_i915_error_state {
 	u32 instdone1;
 	u32 seqno;
 	u64 bbaddr;
-	u64 fence[16];
+	u64 fence[I915_MAX_NUM_FENCES];
 	struct timeval time;
 	struct drm_i915_error_object {
 		int page_count;
@@ -182,7 +185,7 @@ struct drm_i915_error_state {
 		u32 gtt_offset;
 		u32 read_domains;
 		u32 write_domain;
-		s32 fence_reg:5;
+		s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
 		s32 pinned:2;
 		u32 tiling:2;
 		u32 dirty:1;
@@ -375,7 +378,7 @@ typedef struct drm_i915_private {
 	struct notifier_block lid_notifier;
 
 	int crt_ddc_pin;
-	struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
+	struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
 	int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
 	int num_fence_regs; /* 8 on pre-965, 16 otherwise */
 
@@ -506,7 +509,7 @@ typedef struct drm_i915_private {
 	u8 saveAR[21];
 	u8 saveDACMASK;
 	u8 saveCR[37];
-	uint64_t saveFENCE[16];
+	uint64_t saveFENCE[I915_MAX_NUM_FENCES];
 	u32 saveCURACNTR;
 	u32 saveCURAPOS;
 	u32 saveCURABASE;
@@ -777,10 +780,8 @@ struct drm_i915_gem_object {
 	 * Fence register bits (if any) for this object.  Will be set
 	 * as needed when mapped into the GTT.
 	 * Protected by dev->struct_mutex.
-	 *
-	 * Size: 4 bits for 16 fences + sign (for FENCE_REG_NONE)
 	 */
-	signed int fence_reg:5;
+	signed int fence_reg:I915_MAX_NUM_FENCE_BITS;
 
 	/**
 	 * Advice: are the backing pages purgeable?
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d18b07adcffa..a83859767d48 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1745,7 +1745,7 @@ static void i915_gem_reset_fences(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int i;
 
-	for (i = 0; i < 16; i++) {
+	for (i = 0; i < dev_priv->num_fence_regs; i++) {
 		struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i];
 		struct drm_i915_gem_object *obj = reg->obj;
 
@@ -3877,7 +3877,7 @@ i915_gem_load(struct drm_device *dev)
 	INIT_LIST_HEAD(&dev_priv->mm.gtt_list);
 	for (i = 0; i < I915_NUM_RINGS; i++)
 		init_ring_lists(&dev_priv->ring[i]);
-	for (i = 0; i < 16; i++)
+	for (i = 0; i < I915_MAX_NUM_FENCES; i++)
 		INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
 	INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
 			  i915_gem_retire_work_handler);
-- 
GitLab


From a918feef334090692ea65e77a8b0cca5e682e666 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <marc.zyngier@arm.com>
Date: Wed, 2 Nov 2011 17:30:49 +0000
Subject: [PATCH 0120/1594] ARM: mxc: fix local timer interrupt handling

As local timer interrupts are now handled as normal interrupts,
remove the special case in the GIC handler.

Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-and-Acked-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/plat-mxc/gic.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/arch/arm/plat-mxc/gic.c b/arch/arm/plat-mxc/gic.c
index b3b8eed263b8..12f8f8109010 100644
--- a/arch/arm/plat-mxc/gic.c
+++ b/arch/arm/plat-mxc/gic.c
@@ -28,21 +28,14 @@ asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
 		if (irqnr == 1023)
 			break;
 
-		if (irqnr > 29 && irqnr < 1021)
+		if (irqnr > 15 && irqnr < 1021)
 			handle_IRQ(irqnr, regs);
 #ifdef CONFIG_SMP
-		else if (irqnr < 16) {
+		else {
 			writel_relaxed(irqstat, gic_cpu_base_addr +
 						GIC_CPU_EOI);
 			handle_IPI(irqnr, regs);
 		}
-#endif
-#ifdef CONFIG_LOCAL_TIMERS
-		else if (irqnr == 29) {
-			writel_relaxed(irqstat, gic_cpu_base_addr +
-						GIC_CPU_EOI);
-			handle_local_timer(regs);
-		}
 #endif
 	} while (1);
 }
-- 
GitLab


From 98de0cbbe2e7157fd87d04386621be3eadd4d6ab Mon Sep 17 00:00:00 2001
From: Jason Liu <jason.hui@linaro.org>
Date: Thu, 3 Nov 2011 17:31:26 +0800
Subject: [PATCH 0121/1594] ARM:i.MX: fix build error in tzic/avic.c

arch/arm/plat-mxc/tzic.c:105: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'tzic_handle_irq'

Signed-off-by: Jason Liu <jason.hui@linaro.org>
---
 arch/arm/plat-mxc/avic.c | 1 +
 arch/arm/plat-mxc/tzic.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm/plat-mxc/avic.c b/arch/arm/plat-mxc/avic.c
index 8875fb415f68..55f15699a383 100644
--- a/arch/arm/plat-mxc/avic.c
+++ b/arch/arm/plat-mxc/avic.c
@@ -22,6 +22,7 @@
 #include <linux/io.h>
 #include <mach/common.h>
 #include <asm/mach/irq.h>
+#include <asm/exception.h>
 #include <mach/hardware.h>
 
 #include "irq-common.h"
diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c
index e993a184189a..a3c164c7ba82 100644
--- a/arch/arm/plat-mxc/tzic.c
+++ b/arch/arm/plat-mxc/tzic.c
@@ -17,6 +17,7 @@
 #include <linux/io.h>
 
 #include <asm/mach/irq.h>
+#include <asm/exception.h>
 
 #include <mach/hardware.h>
 #include <mach/common.h>
-- 
GitLab


From 188d7c6b0cfee134cc7fbc61d36223b1d7dfffab Mon Sep 17 00:00:00 2001
From: Jason Liu <jason.hui@linaro.org>
Date: Thu, 3 Nov 2011 17:31:27 +0800
Subject: [PATCH 0122/1594] ARM:i.MX: fix build error in clock-mx51-mx53.c

arch/arm/mach-mx5/clock-mx51-mx53.c: In function 'clk_get_freq_dt':
arch/arm/mach-mx5/clock-mx51-mx53.c:1643: error: implicit declaration of function 'for_each_compatible_node'
arch/arm/mach-mx5/clock-mx51-mx53.c:1643: error: expected ';' before '{' token

Signed-off-by: Jason Liu <jason.hui@linaro.org>
---
 arch/arm/mach-mx5/clock-mx51-mx53.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 2aacf41c48e7..6312425c0056 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1634,6 +1634,7 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc,
 	return 0;
 }
 
+#ifdef CONFIG_OF
 static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc,
 				   unsigned long *ckih1, unsigned long *ckih2)
 {
@@ -1671,3 +1672,4 @@ int __init mx53_clocks_init_dt(void)
 	clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
 	return mx53_clocks_init(ckil, osc, ckih1, ckih2);
 }
+#endif
-- 
GitLab


From a9866a0975881ba5e819b0a02324ba683b5cdb81 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Fri, 21 Oct 2011 11:53:34 +0800
Subject: [PATCH 0123/1594] MAINTAINERS: add ARM/FREESCALE MXS entry

As suggested by Pengutronix, they want to get Sascha relieved from
the burden of maintaining MXS sub-architecture.  Since I brought the
most of MXS core code to mainline (with the great help from
Pengutronix people, thanks!), I would like to step up for maintaining
MXS.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 MAINTAINERS | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index ab7767001286..8fe3f0184990 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -804,6 +804,13 @@ S:	Maintained
 T:	git git://git.linaro.org/people/shawnguo/linux-2.6.git
 F:	arch/arm/mach-imx/*imx6*
 
+ARM/FREESCALE MXS ARM ARCHITECTURE
+M:	Shawn Guo <shawn.guo@linaro.org>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Maintained
+T:	git git://git.linaro.org/people/shawnguo/linux-2.6.git
+F:	arch/arm/mach-mxs/
+
 ARM/GLOMATION GESBC9312SX MACHINE SUPPORT
 M:	Lennert Buytenhek <kernel@wantstofly.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-- 
GitLab


From 680da876f44a644aee891e1d0df5a560cfa4720e Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Thu, 3 Nov 2011 14:15:13 -0700
Subject: [PATCH 0124/1594] drm/i915: enable cacheable objects on Ivybridge

IVB supports these bits as well.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index a83859767d48..ed0b68fdb970 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3613,7 +3613,7 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
 	obj->base.write_domain = I915_GEM_DOMAIN_CPU;
 	obj->base.read_domains = I915_GEM_DOMAIN_CPU;
 
-	if (IS_GEN6(dev)) {
+	if (IS_GEN6(dev) || IS_GEN7(dev)) {
 		/* On Gen6, we can have the GPU use the LLC (the CPU
 		 * cache) for about a 10% performance improvement
 		 * compared to uncached.  Graphics requests other than
-- 
GitLab


From 15394cad2747ea2d98fc88ccb464973e173cd2f8 Mon Sep 17 00:00:00 2001
From: Dirk Behme <dirk.behme@de.bosch.com>
Date: Fri, 4 Nov 2011 20:30:18 +0800
Subject: [PATCH 0125/1594] ARM: mxc: Remove test_for_ltirq

The patch "ARM: gic: consolidate PPI handling" removes the usage
of test_for_ltirq. After the merge of imx6q remove this there, too.

Cc: Sascha Hauer <kernel@pengutronix.de>
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
---
 arch/arm/plat-mxc/include/mach/entry-macro.S | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S
index 9fe0dfcf4e7e..ca5cf26a04b1 100644
--- a/arch/arm/plat-mxc/include/mach/entry-macro.S
+++ b/arch/arm/plat-mxc/include/mach/entry-macro.S
@@ -25,6 +25,3 @@
 
 	.macro test_for_ipi, irqnr, irqstat, base, tmp
 	.endm
-
-	.macro test_for_ltirq, irqnr, irqstat, base, tmp
-	.endm
-- 
GitLab


From dfd3b596fbbfa48b8e7966ef996d587157554b69 Mon Sep 17 00:00:00 2001
From: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Date: Fri, 4 Nov 2011 22:13:50 +0900
Subject: [PATCH 0126/1594] sh: Fix cached/uncaced address calculation in 29bit
 mode

In the case of 29bit mode, CAC/UNCAC_ADDR does not return a right address.
This revises this problem by using P1SEGADDR and P2SEGADDR in 29bit mode.

Reported-by: Yutaro Ebihara <ebiharaml@si-linux.co.jp>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Cc: stable@kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/page.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 0dca9a5c6be6..15d970328f71 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -151,8 +151,13 @@ typedef struct page *pgtable_t;
 #endif /* !__ASSEMBLY__ */
 
 #ifdef CONFIG_UNCACHED_MAPPING
+#if defined(CONFIG_29BIT)
+#define UNCAC_ADDR(addr)	P2SEGADDR(addr)
+#define CAC_ADDR(addr)		P1SEGADDR(addr)
+#else
 #define UNCAC_ADDR(addr)	((addr) - PAGE_OFFSET + uncached_start)
 #define CAC_ADDR(addr)		((addr) - uncached_start + PAGE_OFFSET)
+#endif
 #else
 #define UNCAC_ADDR(addr)	((addr))
 #define CAC_ADDR(addr)		((addr))
-- 
GitLab


From 3af1f8a41feab47b232b0c3d3b2322426672480d Mon Sep 17 00:00:00 2001
From: Phil Edworthy <phil.edworthy@renesas.com>
Date: Mon, 3 Oct 2011 15:16:47 +0100
Subject: [PATCH 0127/1594] serial: sh-sci: Fix up SH-2A SCIF support.

This fixes up support for SH-2(A) SCIFs by introducing a new regtype. As
expected, it's close to the SH-4A SCIF with fifodata, but still different
enough to warrant its own type.

Fixes up a number of FIFO overflows and similar for both SH7203/SH7264.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Tested-by: Federico Fuga <fuga@studiofuga.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh2a/setup-sh7203.c | 16 ++++++++++++----
 drivers/tty/serial/sh-sci.c            | 19 +++++++++++++++++++
 include/linux/serial_sci.h             |  1 +
 3 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index a43124e608c3..0bd744f9a3b7 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -176,10 +176,12 @@ static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
 static struct plat_sci_port scif0_platform_data = {
 	.mapbase	= 0xfffe8000,
 	.flags		= UPF_BOOT_AUTOCONF,
-	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+	.scscr		= SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
+			  SCSCR_REIE,
 	.scbrr_algo_id	= SCBRR_ALGO_2,
 	.type		= PORT_SCIF,
 	.irqs		=  { 192, 192, 192, 192 },
+	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 };
 
 static struct platform_device scif0_device = {
@@ -193,10 +195,12 @@ static struct platform_device scif0_device = {
 static struct plat_sci_port scif1_platform_data = {
 	.mapbase	= 0xfffe8800,
 	.flags		= UPF_BOOT_AUTOCONF,
-	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+	.scscr		= SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
+			  SCSCR_REIE,
 	.scbrr_algo_id	= SCBRR_ALGO_2,
 	.type		= PORT_SCIF,
 	.irqs		=  { 196, 196, 196, 196 },
+	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 };
 
 static struct platform_device scif1_device = {
@@ -210,10 +214,12 @@ static struct platform_device scif1_device = {
 static struct plat_sci_port scif2_platform_data = {
 	.mapbase	= 0xfffe9000,
 	.flags		= UPF_BOOT_AUTOCONF,
-	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+	.scscr		= SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
+			  SCSCR_REIE,
 	.scbrr_algo_id	= SCBRR_ALGO_2,
 	.type		= PORT_SCIF,
 	.irqs		=  { 200, 200, 200, 200 },
+	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 };
 
 static struct platform_device scif2_device = {
@@ -227,10 +233,12 @@ static struct platform_device scif2_device = {
 static struct plat_sci_port scif3_platform_data = {
 	.mapbase	= 0xfffe9800,
 	.flags		= UPF_BOOT_AUTOCONF,
-	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+	.scscr		= SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
+			  SCSCR_REIE,
 	.scbrr_algo_id	= SCBRR_ALGO_2,
 	.type		= PORT_SCIF,
 	.irqs		=  { 204, 204, 204, 204 },
+	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 };
 
 static struct platform_device scif3_device = {
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 9871c57b348e..1b6ec568f32a 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -206,6 +206,25 @@ static struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
 		[SCLSR]		= sci_reg_invalid,
 	},
 
+	/*
+	 * Common SH-2(A) SCIF definitions for ports with FIFO data
+	 * count registers.
+	 */
+	[SCIx_SH2_SCIF_FIFODATA_REGTYPE] = {
+		[SCSMR]		= { 0x00, 16 },
+		[SCBRR]		= { 0x04,  8 },
+		[SCSCR]		= { 0x08, 16 },
+		[SCxTDR]	= { 0x0c,  8 },
+		[SCxSR]		= { 0x10, 16 },
+		[SCxRDR]	= { 0x14,  8 },
+		[SCFCR]		= { 0x18, 16 },
+		[SCFDR]		= { 0x1c, 16 },
+		[SCTFDR]	= sci_reg_invalid,
+		[SCRFDR]	= sci_reg_invalid,
+		[SCSPTR]	= { 0x20, 16 },
+		[SCLSR]		= { 0x24, 16 },
+	},
+
 	/*
 	 * Common SH-3 SCIF definitions.
 	 */
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 8bffe9ae2ca0..5f3939c67dd8 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -67,6 +67,7 @@ enum {
 	SCIx_IRDA_REGTYPE,
 	SCIx_SCIFA_REGTYPE,
 	SCIx_SCIFB_REGTYPE,
+	SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 	SCIx_SH3_SCIF_REGTYPE,
 	SCIx_SH4_SCIF_REGTYPE,
 	SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
-- 
GitLab


From 87121ca504fd1d963a66b3fb0c72054b0fd9a177 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Fri, 7 Oct 2011 16:31:46 +0200
Subject: [PATCH 0128/1594] oprofile: Fix crash when unloading module (hr timer
 mode)

Oprofile may crash in a KVM guest while unlaoding modules. This
happens if oprofile_arch_init() fails and oprofile switches to the hr
timer mode as a fallback. In this case oprofile_arch_exit() is called,
but it never was initialized properly which causes the crash. This
patch fixes this.

oprofile: using timer interrupt.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
IP: [<ffffffff8123c226>] unregister_syscore_ops+0x41/0x58
PGD 41da3f067 PUD 41d80e067 PMD 0
Oops: 0002 [#1] PREEMPT SMP
CPU 5
Modules linked in: oprofile(-)

Pid: 2382, comm: modprobe Not tainted 3.1.0-rc7-00018-g709a39d #18 Advanced Micro Device Anaheim/Anaheim
RIP: 0010:[<ffffffff8123c226>]  [<ffffffff8123c226>] unregister_syscore_ops+0x41/0x58
RSP: 0018:ffff88041de1de98  EFLAGS: 00010296
RAX: 0000000000000000 RBX: ffffffffa00060e0 RCX: dead000000200200
RDX: 0000000000000000 RSI: dead000000100100 RDI: ffffffff8178c620
RBP: ffff88041de1dea8 R08: 0000000000000001 R09: 0000000000000082
R10: 0000000000000000 R11: ffff88041de1dde8 R12: 0000000000000080
R13: fffffffffffffff5 R14: 0000000000000001 R15: 0000000000610210
FS:  00007f9ae5bef700(0000) GS:ffff88042fd40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000008 CR3: 000000041ca44000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process modprobe (pid: 2382, threadinfo ffff88041de1c000, task ffff88042db6d040)
Stack:
 ffff88041de1deb8 ffffffffa0006770 ffff88041de1deb8 ffffffffa000251e
 ffff88041de1dec8 ffffffffa00022c2 ffff88041de1ded8 ffffffffa0004993
 ffff88041de1df78 ffffffff81073115 656c69666f72706f 0000000000610200
Call Trace:
 [<ffffffffa000251e>] op_nmi_exit+0x15/0x17 [oprofile]
 [<ffffffffa00022c2>] oprofile_arch_exit+0xe/0x10 [oprofile]
 [<ffffffffa0004993>] oprofile_exit+0x13/0x15 [oprofile]
 [<ffffffff81073115>] sys_delete_module+0x1c3/0x22f
 [<ffffffff811bf09e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
 [<ffffffff8148070b>] system_call_fastpath+0x16/0x1b
Code: 20 c6 78 81 e8 c5 cc 23 00 48 8b 13 48 8b 43 08 48 be 00 01 10 00 00 00 ad de 48 b9 00 02 20 00 00 00 ad de 48 c7 c7 20 c6 78 81
 89 42 08 48 89 10 48 89 33 48 89 4b 08 e8 a6 c0 23 00 5a 5b
RIP  [<ffffffff8123c226>] unregister_syscore_ops+0x41/0x58
 RSP <ffff88041de1de98>
CR2: 0000000000000008
---[ end trace 06d4e95b6aa3b437 ]---

CC: stable@kernel.org # 2.6.37+
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 drivers/oprofile/oprof.c     | 29 ++++++++++++++++++++++++-----
 drivers/oprofile/timer_int.c |  1 +
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index dccd8636095c..f8c752e408a6 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -239,26 +239,45 @@ int oprofile_set_ulong(unsigned long *addr, unsigned long val)
 	return err;
 }
 
+static int timer_mode;
+
 static int __init oprofile_init(void)
 {
 	int err;
 
+	/* always init architecture to setup backtrace support */
 	err = oprofile_arch_init(&oprofile_ops);
-	if (err < 0 || timer) {
-		printk(KERN_INFO "oprofile: using timer interrupt.\n");
+
+	timer_mode = err || timer;	/* fall back to timer mode on errors */
+	if (timer_mode) {
+		if (!err)
+			oprofile_arch_exit();
 		err = oprofile_timer_init(&oprofile_ops);
 		if (err)
 			return err;
 	}
-	return oprofilefs_register();
+
+	err = oprofilefs_register();
+	if (!err)
+		return 0;
+
+	/* failed */
+	if (timer_mode)
+		oprofile_timer_exit();
+	else
+		oprofile_arch_exit();
+
+	return err;
 }
 
 
 static void __exit oprofile_exit(void)
 {
-	oprofile_timer_exit();
 	oprofilefs_unregister();
-	oprofile_arch_exit();
+	if (timer_mode)
+		oprofile_timer_exit();
+	else
+		oprofile_arch_exit();
 }
 
 
diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
index 3ef44624f510..878fba126582 100644
--- a/drivers/oprofile/timer_int.c
+++ b/drivers/oprofile/timer_int.c
@@ -110,6 +110,7 @@ int oprofile_timer_init(struct oprofile_operations *ops)
 	ops->start = oprofile_hrtimer_start;
 	ops->stop = oprofile_hrtimer_stop;
 	ops->cpu_type = "timer";
+	printk(KERN_INFO "oprofile: using timer interrupt.\n");
 	return 0;
 }
 
-- 
GitLab


From 97f7f8189fe54e3cfe324ef9ad35064f3d2d3bff Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Mon, 10 Oct 2011 16:21:10 +0200
Subject: [PATCH 0129/1594] oprofile, x86: Fix crash when unloading module (nmi
 timer mode)

If oprofile uses the nmi timer interrupt there is a crash while
unloading the module. The bug can be triggered with oprofile build as
module and kernel parameter nolapic set. This patch fixes this.

oprofile: using NMI timer interrupt.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
IP: [<ffffffff8123c226>] unregister_syscore_ops+0x41/0x58
PGD 42dbca067 PUD 41da6a067 PMD 0
Oops: 0002 [#1] PREEMPT SMP
CPU 5
Modules linked in: oprofile(-) [last unloaded: oprofile]

Pid: 2518, comm: modprobe Not tainted 3.1.0-rc7-00019-gb2fb49d #19 Advanced Micro Device Anaheim/Anaheim
RIP: 0010:[<ffffffff8123c226>]  [<ffffffff8123c226>] unregister_syscore_ops+0x41/0x58
RSP: 0018:ffff88041ef71e98  EFLAGS: 00010296
RAX: 0000000000000000 RBX: ffffffffa0017100 RCX: dead000000200200
RDX: 0000000000000000 RSI: dead000000100100 RDI: ffffffff8178c620
RBP: ffff88041ef71ea8 R08: 0000000000000001 R09: 0000000000000082
R10: 0000000000000000 R11: ffff88041ef71de8 R12: 0000000000000080
R13: fffffffffffffff5 R14: 0000000000000001 R15: 0000000000610210
FS:  00007fc902f20700(0000) GS:ffff88042fd40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000008 CR3: 000000041cdb6000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process modprobe (pid: 2518, threadinfo ffff88041ef70000, task ffff88041d348040)
Stack:
 ffff88041ef71eb8 ffffffffa0017790 ffff88041ef71eb8 ffffffffa0013532
 ffff88041ef71ec8 ffffffffa00132d6 ffff88041ef71ed8 ffffffffa00159b2
 ffff88041ef71f78 ffffffff81073115 656c69666f72706f 0000000000610200
Call Trace:
 [<ffffffffa0013532>] op_nmi_exit+0x15/0x17 [oprofile]
 [<ffffffffa00132d6>] oprofile_arch_exit+0xe/0x10 [oprofile]
 [<ffffffffa00159b2>] oprofile_exit+0x1e/0x20 [oprofile]
 [<ffffffff81073115>] sys_delete_module+0x1c3/0x22f
 [<ffffffff811bf09e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
 [<ffffffff8148070b>] system_call_fastpath+0x16/0x1b
Code: 20 c6 78 81 e8 c5 cc 23 00 48 8b 13 48 8b 43 08 48 be 00 01 10 00 00 00 ad de 48 b9 00 02 20 00 00 00 ad de 48 c7 c7 20 c6 78 81
 89 42 08 48 89 10 48 89 33 48 89 4b 08 e8 a6 c0 23 00 5a 5b
RIP  [<ffffffff8123c226>] unregister_syscore_ops+0x41/0x58
 RSP <ffff88041ef71e98>
CR2: 0000000000000008
---[ end trace 43a541a52956b7b0 ]---

CC: stable@kernel.org # 2.6.37+
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/init.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/x86/oprofile/init.c b/arch/x86/oprofile/init.c
index cdfe4c54deca..f148cf652678 100644
--- a/arch/x86/oprofile/init.c
+++ b/arch/x86/oprofile/init.c
@@ -21,6 +21,7 @@ extern int op_nmi_timer_init(struct oprofile_operations *ops);
 extern void op_nmi_exit(void);
 extern void x86_backtrace(struct pt_regs * const regs, unsigned int depth);
 
+static int nmi_timer;
 
 int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
@@ -31,8 +32,9 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 #ifdef CONFIG_X86_LOCAL_APIC
 	ret = op_nmi_init(ops);
 #endif
+	nmi_timer = (ret != 0);
 #ifdef CONFIG_X86_IO_APIC
-	if (ret < 0)
+	if (nmi_timer)
 		ret = op_nmi_timer_init(ops);
 #endif
 	ops->backtrace = x86_backtrace;
@@ -44,6 +46,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 void oprofile_arch_exit(void)
 {
 #ifdef CONFIG_X86_LOCAL_APIC
-	op_nmi_exit();
+	if (!nmi_timer)
+		op_nmi_exit();
 #endif
 }
-- 
GitLab


From dd2c0ca1b153b555c09fd8e08f6842e12cf8e87b Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon, 19 Sep 2011 18:51:13 -0700
Subject: [PATCH 0130/1594] sh: clkfwk: add clk_rate_mult_range_round()

This provides a clk_rate_mult_range_round() helper for use by some of the
CPG PLL ranged multipliers, following the same approach as used by the
div ranges.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/sh/clk/core.c  | 20 ++++++++++++++++++++
 include/linux/sh_clk.h |  3 +++
 2 files changed, 23 insertions(+)

diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index dc8d022c07a1..352036b1f9a2 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -173,6 +173,26 @@ long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
 	return clk_rate_round_helper(&div_range_round);
 }
 
+static long clk_rate_mult_range_iter(unsigned int pos,
+				      struct clk_rate_round_data *rounder)
+{
+	return clk_get_rate(rounder->arg) * pos;
+}
+
+long clk_rate_mult_range_round(struct clk *clk, unsigned int mult_min,
+			       unsigned int mult_max, unsigned long rate)
+{
+	struct clk_rate_round_data mult_range_round = {
+		.min	= mult_min,
+		.max	= mult_max,
+		.func	= clk_rate_mult_range_iter,
+		.arg	= clk_get_parent(clk),
+		.rate	= rate,
+	};
+
+	return clk_rate_round_helper(&mult_range_round);
+}
+
 int clk_rate_table_find(struct clk *clk,
 			struct cpufreq_frequency_table *freq_table,
 			unsigned long rate)
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index 3ccf18648d0a..9237c299641c 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -94,6 +94,9 @@ int clk_rate_table_find(struct clk *clk,
 long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
 			      unsigned int div_max, unsigned long rate);
 
+long clk_rate_mult_range_round(struct clk *clk, unsigned int mult_min,
+			       unsigned int mult_max, unsigned long rate);
+
 long clk_round_parent(struct clk *clk, unsigned long target,
 		      unsigned long *best_freq, unsigned long *parent_freq,
 		      unsigned int div_min, unsigned int div_max);
-- 
GitLab


From d31c285b3a71cf9056e6a060de41f37780b0af86 Mon Sep 17 00:00:00 2001
From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Thu, 3 Nov 2011 13:06:08 -0700
Subject: [PATCH 0131/1594] xhci: Set slot and ep0 flags for address command.

Matt's AsMedia xHCI host controller was responding with a Context Error
to an address device command after a configured device reset.  Some
sequence of events leads both the slot and endpoint zero add flags
cleared to zero, which the AsMedia host doesn't like:

[  223.701839] xhci_hcd 0000:03:00.0: Slot ID 1 Input Context:
[  223.701841] xhci_hcd 0000:03:00.0: @ffff880137b25000 (virt) @ffffc000 (dma) 0x000000 - drop flags
[  223.701843] xhci_hcd 0000:03:00.0: @ffff880137b25004 (virt) @ffffc004 (dma) 0x000000 - add flags
[  223.701846] xhci_hcd 0000:03:00.0: @ffff880137b25008 (virt) @ffffc008 (dma) 0x000000 - rsvd2[0]
[  223.701848] xhci_hcd 0000:03:00.0: @ffff880137b2500c (virt) @ffffc00c (dma) 0x000000 - rsvd2[1]
[  223.701850] xhci_hcd 0000:03:00.0: @ffff880137b25010 (virt) @ffffc010 (dma) 0x000000 - rsvd2[2]
[  223.701852] xhci_hcd 0000:03:00.0: @ffff880137b25014 (virt) @ffffc014 (dma) 0x000000 - rsvd2[3]
[  223.701854] xhci_hcd 0000:03:00.0: @ffff880137b25018 (virt) @ffffc018 (dma) 0x000000 - rsvd2[4]
[  223.701857] xhci_hcd 0000:03:00.0: @ffff880137b2501c (virt) @ffffc01c (dma) 0x000000 - rsvd2[5]
[  223.701858] xhci_hcd 0000:03:00.0: Slot Context:
[  223.701860] xhci_hcd 0000:03:00.0: @ffff880137b25020 (virt) @ffffc020 (dma) 0x8400000 - dev_info
[  223.701862] xhci_hcd 0000:03:00.0: @ffff880137b25024 (virt) @ffffc024 (dma) 0x010000 - dev_info2
[  223.701864] xhci_hcd 0000:03:00.0: @ffff880137b25028 (virt) @ffffc028 (dma) 0x000000 - tt_info
[  223.701866] xhci_hcd 0000:03:00.0: @ffff880137b2502c (virt) @ffffc02c (dma) 0x000000 - dev_state
[  223.701869] xhci_hcd 0000:03:00.0: @ffff880137b25030 (virt) @ffffc030 (dma) 0x000000 - rsvd[0]
[  223.701871] xhci_hcd 0000:03:00.0: @ffff880137b25034 (virt) @ffffc034 (dma) 0x000000 - rsvd[1]
[  223.701873] xhci_hcd 0000:03:00.0: @ffff880137b25038 (virt) @ffffc038 (dma) 0x000000 - rsvd[2]
[  223.701875] xhci_hcd 0000:03:00.0: @ffff880137b2503c (virt) @ffffc03c (dma) 0x000000 - rsvd[3]
[  223.701877] xhci_hcd 0000:03:00.0: Endpoint 00 Context:
[  223.701879] xhci_hcd 0000:03:00.0: @ffff880137b25040 (virt) @ffffc040 (dma) 0x000000 - ep_info
[  223.701881] xhci_hcd 0000:03:00.0: @ffff880137b25044 (virt) @ffffc044 (dma) 0x2000026 - ep_info2
[  223.701883] xhci_hcd 0000:03:00.0: @ffff880137b25048 (virt) @ffffc048 (dma) 0xffffe8e0 - deq
[  223.701885] xhci_hcd 0000:03:00.0: @ffff880137b25050 (virt) @ffffc050 (dma) 0x000000 - tx_info
[  223.701887] xhci_hcd 0000:03:00.0: @ffff880137b25054 (virt) @ffffc054 (dma) 0x000000 - rsvd[0]
[  223.701889] xhci_hcd 0000:03:00.0: @ffff880137b25058 (virt) @ffffc058 (dma) 0x000000 - rsvd[1]
[  223.701892] xhci_hcd 0000:03:00.0: @ffff880137b2505c (virt) @ffffc05c (dma) 0x000000 - rsvd[2]
...
[  223.701927] xhci_hcd 0000:03:00.0: // Ding dong!
[  223.701992] xhci_hcd 0000:03:00.0: Setup ERROR: address device command for slot 1.

The xHCI spec says that both flags must be set to one for the Address
Device command.  When the device is first enumerated,
xhci_setup_addressable_virt_dev() does set those flags.  However, when
the device is addressed after it has been reset in the configured state,
xhci_setup_addressable_virt_dev() is not called, and
xhci_copy_ep0_dequeue_into_input_ctx() is called instead.  That function
relies on the flags being set up by previous commands, which apparently
isn't a good assumption.

Move the setting of the flags into the common parent function.

This should be queued for stable kernels as old as 2.6.35, since that
was the first introduction of xhci_copy_ep0_dequeue_into_input_ctx.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Matt <mdm@iinet.net.au>
Cc: stable@vger.kernel.org
---
 drivers/usb/host/xhci-mem.c | 5 -----
 drivers/usb/host/xhci.c     | 5 ++++-
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 42a22b8e6922..0e4b25fa3bcd 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -982,7 +982,6 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
 	struct xhci_virt_device *dev;
 	struct xhci_ep_ctx	*ep0_ctx;
 	struct xhci_slot_ctx    *slot_ctx;
-	struct xhci_input_control_ctx *ctrl_ctx;
 	u32			port_num;
 	struct usb_device *top_dev;
 
@@ -994,12 +993,8 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
 		return -EINVAL;
 	}
 	ep0_ctx = xhci_get_ep_ctx(xhci, dev->in_ctx, 0);
-	ctrl_ctx = xhci_get_input_control_ctx(xhci, dev->in_ctx);
 	slot_ctx = xhci_get_slot_ctx(xhci, dev->in_ctx);
 
-	/* 2) New slot context and endpoint 0 context are valid*/
-	ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
-
 	/* 3) Only the control endpoint is valid - one endpoint context */
 	slot_ctx->dev_info |= cpu_to_le32(LAST_CTX(1) | udev->route);
 	switch (udev->speed) {
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1ff95a0df576..747c5ead922b 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3504,6 +3504,10 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 	/* Otherwise, update the control endpoint ring enqueue pointer. */
 	else
 		xhci_copy_ep0_dequeue_into_input_ctx(xhci, udev);
+	ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx);
+	ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
+	ctrl_ctx->drop_flags = 0;
+
 	xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id);
 	xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2);
 
@@ -3585,7 +3589,6 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 	virt_dev->address = (le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK)
 		+ 1;
 	/* Zero the input context control for later use */
-	ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx);
 	ctrl_ctx->add_flags = 0;
 	ctrl_ctx->drop_flags = 0;
 
-- 
GitLab


From 79c3dd8150fd5236d95766a9e662e3e932b462c9 Mon Sep 17 00:00:00 2001
From: Don Zickus <dzickus@redhat.com>
Date: Thu, 3 Nov 2011 09:07:18 -0400
Subject: [PATCH 0132/1594] usb, xhci: Clear warm reset change event during
 init

I noticed on my Panther Point system that I wasn't getting hotplug events
for my usb3.0 disk on a usb3 port.  I tracked it down to the fact that the
system had the warm reset change bit still set.  This seemed to block future
events from being received, including a hotplug event.

Clearing this bit during initialization allowed the hotplug event to be
received and the disk to be recognized correctly.

This patch should be backported to kernels as old as 2.6.39.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
---
 drivers/usb/core/hub.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 96f05b29c9ad..79781461eec9 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -813,6 +813,12 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 					USB_PORT_FEAT_C_PORT_LINK_STATE);
 		}
 
+		if ((portchange & USB_PORT_STAT_C_BH_RESET) &&
+				hub_is_superspeed(hub->hdev)) {
+			need_debounce_delay = true;
+			clear_port_feature(hub->hdev, port1,
+					USB_PORT_FEAT_C_BH_PORT_RESET);
+		}
 		/* We can forget about a "removed" device when there's a
 		 * physical disconnect or the connect status changes.
 		 */
-- 
GitLab


From 1788ea6e3b2a58cf4fb00206e362d9caff8d86a7 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Fri, 4 Nov 2011 13:31:21 -0400
Subject: [PATCH 0133/1594] nfs: when attempting to open a directory, fall back
 on normal lookup (try #5)

commit d953126 changed how nfs_atomic_lookup handles an -EISDIR return
from an OPEN call. Prior to that patch, that caused the client to fall
back to doing a normal lookup. When that patch went in, the code began
returning that error to userspace. The d_revalidate codepath however
never had the corresponding change, so it was still possible to end up
with a NULL ctx->state pointer after that.

That patch caused a regression. When we attempt to open a directory that
does not have a cached dentry, that open now errors out with EISDIR. If
you attempt the same open with a cached dentry, it will succeed.

Fix this by reverting the change in nfs_atomic_lookup and allowing
attempts to open directories to fall back to a normal lookup

Also, add a NFSv4-specific f_ops->open routine that just returns
-ENOTDIR. This should never be called if things are working properly,
but if it ever is, then the dprintk may help in debugging.

To facilitate this, a new file_operations field is also added to the
nfs_rpc_ops struct.

Cc: stable@kernel.org
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/dir.c            |  2 +-
 fs/nfs/file.c           | 32 ++++++++++++++++++++++++++++++++
 fs/nfs/inode.c          |  2 +-
 fs/nfs/nfs3proc.c       |  1 +
 fs/nfs/nfs4proc.c       |  1 +
 fs/nfs/proc.c           |  1 +
 include/linux/nfs_fs.h  |  3 +++
 include/linux/nfs_xdr.h |  1 +
 8 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index b238d95ac48c..ac2899098147 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1468,12 +1468,12 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
 				res = NULL;
 				goto out;
 			/* This turned out not to be a regular file */
+			case -EISDIR:
 			case -ENOTDIR:
 				goto no_open;
 			case -ELOOP:
 				if (!(nd->intent.open.flags & O_NOFOLLOW))
 					goto no_open;
-			/* case -EISDIR: */
 			/* case -EINVAL: */
 			default:
 				res = ERR_CAST(inode);
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 0a1f8312b4dc..6d93e0754b5e 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -886,3 +886,35 @@ static int nfs_setlease(struct file *file, long arg, struct file_lock **fl)
 			file->f_path.dentry->d_name.name, arg);
 	return -EINVAL;
 }
+
+#ifdef CONFIG_NFS_V4
+static int
+nfs4_file_open(struct inode *inode, struct file *filp)
+{
+	/*
+	 * NFSv4 opens are handled in d_lookup and d_revalidate. If we get to
+	 * this point, then something is very wrong
+	 */
+	dprintk("NFS: %s called! inode=%p filp=%p\n", __func__, inode, filp);
+	return -ENOTDIR;
+}
+
+const struct file_operations nfs4_file_operations = {
+	.llseek		= nfs_file_llseek,
+	.read		= do_sync_read,
+	.write		= do_sync_write,
+	.aio_read	= nfs_file_read,
+	.aio_write	= nfs_file_write,
+	.mmap		= nfs_file_mmap,
+	.open		= nfs4_file_open,
+	.flush		= nfs_file_flush,
+	.release	= nfs_file_release,
+	.fsync		= nfs_file_fsync,
+	.lock		= nfs_lock,
+	.flock		= nfs_flock,
+	.splice_read	= nfs_file_splice_read,
+	.splice_write	= nfs_file_splice_write,
+	.check_flags	= nfs_check_flags,
+	.setlease	= nfs_setlease,
+};
+#endif /* CONFIG_NFS_V4 */
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index c07a55aec838..50a15fa8cf98 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -291,7 +291,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
 		 */
 		inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->file_inode_ops;
 		if (S_ISREG(inode->i_mode)) {
-			inode->i_fop = &nfs_file_operations;
+			inode->i_fop = NFS_SB(sb)->nfs_client->rpc_ops->file_ops;
 			inode->i_data.a_ops = &nfs_file_aops;
 			inode->i_data.backing_dev_info = &NFS_SB(sb)->backing_dev_info;
 		} else if (S_ISDIR(inode->i_mode)) {
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 85f1690ca08c..d4bc9ed91748 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -853,6 +853,7 @@ const struct nfs_rpc_ops nfs_v3_clientops = {
 	.dentry_ops	= &nfs_dentry_operations,
 	.dir_inode_ops	= &nfs3_dir_inode_operations,
 	.file_inode_ops	= &nfs3_file_inode_operations,
+	.file_ops	= &nfs_file_operations,
 	.getroot	= nfs3_proc_get_root,
 	.getattr	= nfs3_proc_getattr,
 	.setattr	= nfs3_proc_setattr,
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b60fddf606f7..069cb8094d43 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6253,6 +6253,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
 	.dentry_ops	= &nfs4_dentry_operations,
 	.dir_inode_ops	= &nfs4_dir_inode_operations,
 	.file_inode_ops	= &nfs4_file_inode_operations,
+	.file_ops	= &nfs4_file_operations,
 	.getroot	= nfs4_proc_get_root,
 	.getattr	= nfs4_proc_getattr,
 	.setattr	= nfs4_proc_setattr,
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index ac40b8535d7e..f48125da198a 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -710,6 +710,7 @@ const struct nfs_rpc_ops nfs_v2_clientops = {
 	.dentry_ops	= &nfs_dentry_operations,
 	.dir_inode_ops	= &nfs_dir_inode_operations,
 	.file_inode_ops	= &nfs_file_inode_operations,
+	.file_ops	= &nfs_file_operations,
 	.getroot	= nfs_proc_get_root,
 	.getattr	= nfs_proc_getattr,
 	.setattr	= nfs_proc_setattr,
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index ab2c6343361a..92ecf5585fac 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -410,6 +410,9 @@ extern const struct inode_operations nfs_file_inode_operations;
 extern const struct inode_operations nfs3_file_inode_operations;
 #endif /* CONFIG_NFS_V3 */
 extern const struct file_operations nfs_file_operations;
+#ifdef CONFIG_NFS_V4
+extern const struct file_operations nfs4_file_operations;
+#endif /* CONFIG_NFS_V4 */
 extern const struct address_space_operations nfs_file_aops;
 extern const struct address_space_operations nfs_dir_aops;
 
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index c74595ba7094..2a7c533be5dd 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1192,6 +1192,7 @@ struct nfs_rpc_ops {
 	const struct dentry_operations *dentry_ops;
 	const struct inode_operations *dir_inode_ops;
 	const struct inode_operations *file_inode_ops;
+	const struct file_operations *file_ops;
 
 	int	(*getroot) (struct nfs_server *, struct nfs_fh *,
 			    struct nfs_fsinfo *);
-- 
GitLab


From 0486958f57a496212e3c1e3d9194deebba3dc3d4 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Fri, 4 Nov 2011 13:31:22 -0400
Subject: [PATCH 0134/1594] nfs: move nfs_file_operations declaration to bottom
 of file.c (try #2)

...a remove a set of forward declarations.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/file.c | 59 +++++++++++++++++----------------------------------
 1 file changed, 19 insertions(+), 40 deletions(-)

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 6d93e0754b5e..eca56d4b39c0 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -40,48 +40,8 @@
 
 #define NFSDBG_FACILITY		NFSDBG_FILE
 
-static int nfs_file_open(struct inode *, struct file *);
-static int nfs_file_release(struct inode *, struct file *);
-static loff_t nfs_file_llseek(struct file *file, loff_t offset, int origin);
-static int  nfs_file_mmap(struct file *, struct vm_area_struct *);
-static ssize_t nfs_file_splice_read(struct file *filp, loff_t *ppos,
-					struct pipe_inode_info *pipe,
-					size_t count, unsigned int flags);
-static ssize_t nfs_file_read(struct kiocb *, const struct iovec *iov,
-				unsigned long nr_segs, loff_t pos);
-static ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe,
-					struct file *filp, loff_t *ppos,
-					size_t count, unsigned int flags);
-static ssize_t nfs_file_write(struct kiocb *, const struct iovec *iov,
-				unsigned long nr_segs, loff_t pos);
-static int  nfs_file_flush(struct file *, fl_owner_t id);
-static int  nfs_file_fsync(struct file *, loff_t, loff_t, int datasync);
-static int nfs_check_flags(int flags);
-static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl);
-static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl);
-static int nfs_setlease(struct file *file, long arg, struct file_lock **fl);
-
 static const struct vm_operations_struct nfs_file_vm_ops;
 
-const struct file_operations nfs_file_operations = {
-	.llseek		= nfs_file_llseek,
-	.read		= do_sync_read,
-	.write		= do_sync_write,
-	.aio_read	= nfs_file_read,
-	.aio_write	= nfs_file_write,
-	.mmap		= nfs_file_mmap,
-	.open		= nfs_file_open,
-	.flush		= nfs_file_flush,
-	.release	= nfs_file_release,
-	.fsync		= nfs_file_fsync,
-	.lock		= nfs_lock,
-	.flock		= nfs_flock,
-	.splice_read	= nfs_file_splice_read,
-	.splice_write	= nfs_file_splice_write,
-	.check_flags	= nfs_check_flags,
-	.setlease	= nfs_setlease,
-};
-
 const struct inode_operations nfs_file_inode_operations = {
 	.permission	= nfs_permission,
 	.getattr	= nfs_getattr,
@@ -887,6 +847,25 @@ static int nfs_setlease(struct file *file, long arg, struct file_lock **fl)
 	return -EINVAL;
 }
 
+const struct file_operations nfs_file_operations = {
+	.llseek		= nfs_file_llseek,
+	.read		= do_sync_read,
+	.write		= do_sync_write,
+	.aio_read	= nfs_file_read,
+	.aio_write	= nfs_file_write,
+	.mmap		= nfs_file_mmap,
+	.open		= nfs_file_open,
+	.flush		= nfs_file_flush,
+	.release	= nfs_file_release,
+	.fsync		= nfs_file_fsync,
+	.lock		= nfs_lock,
+	.flock		= nfs_flock,
+	.splice_read	= nfs_file_splice_read,
+	.splice_write	= nfs_file_splice_write,
+	.check_flags	= nfs_check_flags,
+	.setlease	= nfs_setlease,
+};
+
 #ifdef CONFIG_NFS_V4
 static int
 nfs4_file_open(struct inode *inode, struct file *filp)
-- 
GitLab


From 8eeea521d9d0fa6afd62df8c6e6566ee946117fa Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 4 Nov 2011 15:52:31 +0000
Subject: [PATCH 0135/1594] ASoC: Don't use wm8994->control_data in
 wm8994_readable_register()

The field is no longer initialised so this will crash if running on
wm8958.

Reported-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 sound/soc/codecs/wm8994.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 6b73efd26991..3d2c3d4711d0 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -56,7 +56,7 @@ static int wm8994_retune_mobile_base[] = {
 static int wm8994_readable(struct snd_soc_codec *codec, unsigned int reg)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994 *control = wm8994->control_data;
+	struct wm8994 *control = codec->control_data;
 
 	switch (reg) {
 	case WM8994_GPIO_1:
-- 
GitLab


From 5a3ad6bd6ae0687cb0ecb424d74221920fbc7f38 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 4 Nov 2011 15:53:48 +0000
Subject: [PATCH 0136/1594] ASoC: Don't use wm8994->control_data when
 requesting IRQs

The field is no longer initialised so this will crash if running on
wm8958.

Reported-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8994.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 3d2c3d4711d0..9cb16cc853b3 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3180,9 +3180,9 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
 
 	wm8994_request_irq(codec->control_data, WM8994_IRQ_FIFOS_ERR,
 			   wm8994_fifo_error, "FIFO error", codec);
-	wm8994_request_irq(wm8994->control_data, WM8994_IRQ_TEMP_WARN,
+	wm8994_request_irq(codec->control_data, WM8994_IRQ_TEMP_WARN,
 			   wm8994_temp_warn, "Thermal warning", codec);
-	wm8994_request_irq(wm8994->control_data, WM8994_IRQ_TEMP_SHUT,
+	wm8994_request_irq(codec->control_data, WM8994_IRQ_TEMP_SHUT,
 			   wm8994_temp_shut, "Thermal shutdown", codec);
 
 	ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_DCS_DONE,
-- 
GitLab


From 19940b3d55c87d8089a8cb0fa8e5a9918a3846bd Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 19 Aug 2011 18:05:05 +0900
Subject: [PATCH 0137/1594] ASoC: Ensure we get an impedence reported for
 WM8958 jack detect

Occasionally we may see an accessory reported before we have a stable
impedance for the accessory. If this happens then reread the status in
order to ensure that the handler can take the appropriate action for the
status change.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 include/linux/mfd/wm8994/registers.h | 15 +++++++++++
 sound/soc/codecs/wm8994.c            | 37 +++++++++++++++++++---------
 2 files changed, 41 insertions(+), 11 deletions(-)

diff --git a/include/linux/mfd/wm8994/registers.h b/include/linux/mfd/wm8994/registers.h
index fae295048a8b..83a9caec0e43 100644
--- a/include/linux/mfd/wm8994/registers.h
+++ b/include/linux/mfd/wm8994/registers.h
@@ -1962,6 +1962,21 @@
 #define WM8958_MICB2_DISCH_SHIFT                     0  /* MICB2_DISCH */
 #define WM8958_MICB2_DISCH_WIDTH                     1  /* MICB2_DISCH */
 
+/*
+ * R210 (0xD2) - Mic Detect 3
+ */
+#define WM8958_MICD_LVL_MASK                    0x07FC  /* MICD_LVL - [10:2] */
+#define WM8958_MICD_LVL_SHIFT                        2  /* MICD_LVL - [10:2] */
+#define WM8958_MICD_LVL_WIDTH                        9  /* MICD_LVL - [10:2] */
+#define WM8958_MICD_VALID                       0x0002  /* MICD_VALID */
+#define WM8958_MICD_VALID_MASK                  0x0002  /* MICD_VALID */
+#define WM8958_MICD_VALID_SHIFT                      1  /* MICD_VALID */
+#define WM8958_MICD_VALID_WIDTH                      1  /* MICD_VALID */
+#define WM8958_MICD_STS                         0x0001  /* MICD_STS */
+#define WM8958_MICD_STS_MASK                    0x0001  /* MICD_STS */
+#define WM8958_MICD_STS_SHIFT                        0  /* MICD_STS */
+#define WM8958_MICD_STS_WIDTH                        1  /* MICD_STS */
+
 /*
  * R76 (0x4C) - Charge Pump (1)
  */
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 9cb16cc853b3..9c982e47eb99 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3030,19 +3030,34 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
 {
 	struct wm8994_priv *wm8994 = data;
 	struct snd_soc_codec *codec = wm8994->codec;
-	int reg;
+	int reg, count;
 
-	reg = snd_soc_read(codec, WM8958_MIC_DETECT_3);
-	if (reg < 0) {
-		dev_err(codec->dev, "Failed to read mic detect status: %d\n",
-			reg);
-		return IRQ_NONE;
-	}
+	/* We may occasionally read a detection without an impedence
+	 * range being provided - if that happens loop again.
+	 */
+	count = 10;
+	do {
+		reg = snd_soc_read(codec, WM8958_MIC_DETECT_3);
+		if (reg < 0) {
+			dev_err(codec->dev,
+				"Failed to read mic detect status: %d\n",
+				reg);
+			return IRQ_NONE;
+		}
 
-	if (!(reg & WM8958_MICD_VALID)) {
-		dev_dbg(codec->dev, "Mic detect data not valid\n");
-		goto out;
-	}
+		if (!(reg & WM8958_MICD_VALID)) {
+			dev_dbg(codec->dev, "Mic detect data not valid\n");
+			goto out;
+		}
+
+		if (!(reg & WM8958_MICD_STS) || (reg & WM8958_MICD_LVL_MASK))
+			break;
+
+		msleep(1);
+	} while (count--);
+
+	if (count == 0)
+		dev_warn(codec->dev, "No impedence range reported for jack\n");
 
 #ifndef CONFIG_SND_SOC_WM8994_MODULE
 	trace_snd_soc_jack_irq(dev_name(codec->dev));
-- 
GitLab


From b42c909743595208f7987e331f0921b73af2ce25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomas=20Miljenovi=C4=87?= <TomasM@tomasm.tk>
Date: Fri, 4 Nov 2011 23:59:49 -0700
Subject: [PATCH 0138/1594] Input: i8042 - add HP Pavilion dv4s to 'notimeout'
 and 'nomux' blacklists

Touchpad input doesn't work with newer HP Pavilion dv4 laptops due to bad i8042
timeout data.  Booting with i8042.notimeout and i8042.nomux successfully works
around the problem.

This patch adds the devices to the i8042 notimeout and nomux blacklists.

Signed-off-by: Tomas Miljenovic <TomasM@tomasm.tk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/serio/i8042-x86ia64io.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index bb9f5d31f0d0..b4cfc6c8be89 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -431,6 +431,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 		},
 	},
+	{
+		/* Newer HP Pavilion dv4 models */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
+		},
+	},
 	{ }
 };
 
@@ -560,6 +567,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 		},
 	},
+	{
+		/* Newer HP Pavilion dv4 models */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
+		},
+	},
 	{ }
 };
 
-- 
GitLab


From 15a2015fbc692e1c97d7ce12d96e077f5ae7ea6d Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Sat, 5 Nov 2011 22:06:31 -0700
Subject: [PATCH 0139/1594] ceph: fix iput race when queueing inode work

If we queue a work item that calls iput(), make sure we ihold() before
attempting to queue work. Otherwise our queued work might miraculously run
before we notice the queue_work() succeeded and call ihold(), allowing the
inode to be destroyed.

That is, instead of

	if (queue_work(...))
		ihold();

we need to do

	ihold();
	if (!queue_work(...))
		iput();

Reported-by: Amon Ott <a.ott@m-privacy.de>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/inode.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index e392bfce84a3..116f36502f17 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1328,12 +1328,13 @@ int ceph_inode_set_size(struct inode *inode, loff_t size)
  */
 void ceph_queue_writeback(struct inode *inode)
 {
+	ihold(inode);
 	if (queue_work(ceph_inode_to_client(inode)->wb_wq,
 		       &ceph_inode(inode)->i_wb_work)) {
 		dout("ceph_queue_writeback %p\n", inode);
-		ihold(inode);
 	} else {
 		dout("ceph_queue_writeback %p failed\n", inode);
+		iput(inode);
 	}
 }
 
@@ -1353,12 +1354,13 @@ static void ceph_writeback_work(struct work_struct *work)
  */
 void ceph_queue_invalidate(struct inode *inode)
 {
+	ihold(inode);
 	if (queue_work(ceph_inode_to_client(inode)->pg_inv_wq,
 		       &ceph_inode(inode)->i_pg_inv_work)) {
 		dout("ceph_queue_invalidate %p\n", inode);
-		ihold(inode);
 	} else {
 		dout("ceph_queue_invalidate %p failed\n", inode);
+		iput(inode);
 	}
 }
 
@@ -1434,13 +1436,14 @@ void ceph_queue_vmtruncate(struct inode *inode)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
+	ihold(inode);
 	if (queue_work(ceph_sb_to_client(inode->i_sb)->trunc_wq,
 		       &ci->i_vmtruncate_work)) {
 		dout("ceph_queue_vmtruncate %p\n", inode);
-		ihold(inode);
 	} else {
 		dout("ceph_queue_vmtruncate %p failed, pending=%d\n",
 		     inode, ci->i_truncate_pending);
+		iput(inode);
 	}
 }
 
-- 
GitLab


From 241fa6e42f5462a82f00ddf5169628a8c3976548 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 11 Oct 2011 11:54:26 -0300
Subject: [PATCH 0140/1594] [media] uvcvideo: GET_RES should only be checked
 for BITMAP type menu controls

Currently it is also being checked for non BITMAP type menu controls,
breaking the logitech LED control menu added by uvcdynctrl, as well as
potentially breaking the powerline frequency menu.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/uvc/uvc_ctrl.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 10c2364f3e8a..254d32688843 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -1016,7 +1016,8 @@ int uvc_query_v4l2_menu(struct uvc_video_chain *chain,
 
 	menu_info = &mapping->menu_info[query_menu->index];
 
-	if (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES) {
+	if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK &&
+	    (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES)) {
 		s32 bitmap;
 
 		if (!ctrl->cached) {
@@ -1225,7 +1226,8 @@ int uvc_ctrl_set(struct uvc_video_chain *chain,
 		/* Valid menu indices are reported by the GET_RES request for
 		 * UVC controls that support it.
 		 */
-		if (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES) {
+		if (mapping->data_type == UVC_CTRL_DATA_TYPE_BITMASK &&
+		    (ctrl->info.flags & UVC_CTRL_FLAG_GET_RES)) {
 			if (!ctrl->cached) {
 				ret = uvc_ctrl_populate_cache(chain, ctrl);
 				if (ret < 0)
-- 
GitLab


From a9380ba11fc384a52bcee0884ca6dd069deb6b1b Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Mon, 31 Oct 2011 23:20:41 -0300
Subject: [PATCH 0141/1594] [media] mxl111sf: fix return value of
 mxl111sf_idac_config

mxl111sf_idac_config was incorrectly returning val instead of ret

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-usb/mxl111sf-phy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
index 91dc1fc2825b..ae8c2f839fcf 100644
--- a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
+++ b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
@@ -332,7 +332,7 @@ int mxl111sf_idac_config(struct mxl111sf_state *state,
 
 	ret = mxl111sf_write_reg(state, V6_IDAC_SETTINGS_REG, val);
 
-	return val;
+	return ret;
 }
 
 /*
-- 
GitLab


From 2f4133de28edafcaac3ce6b57faf8f40ed2ff1b9 Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Mon, 31 Oct 2011 23:29:17 -0300
Subject: [PATCH 0142/1594] [media] mxl111sf: check for errors after
 mxl111sf_write_reg in mxl111sf_idac_config

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-usb/mxl111sf-phy.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
index ae8c2f839fcf..09787be576ac 100644
--- a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
+++ b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
@@ -328,9 +328,11 @@ int mxl111sf_idac_config(struct mxl111sf_state *state,
 		/* set hysteresis value  reg: 0x0B<5:0> */
 		ret = mxl111sf_write_reg(state, V6_IDAC_HYSTERESIS_REG,
 					 (hysteresis_value & 0x3F));
+		mxl_fail(ret);
 	}
 
 	ret = mxl111sf_write_reg(state, V6_IDAC_SETTINGS_REG, val);
+	mxl_fail(ret);
 
 	return ret;
 }
-- 
GitLab


From cd834fa693160914029fee128f52e87a79d3e480 Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Mon, 31 Oct 2011 23:31:04 -0300
Subject: [PATCH 0143/1594] [media] mxl111sf: remove pointless if condition in
 mxl111sf_config_spi

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-usb/mxl111sf-phy.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
index 09787be576ac..b741b3a7a325 100644
--- a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
+++ b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c
@@ -296,8 +296,7 @@ int mxl111sf_config_spi(struct mxl111sf_state *state, int onoff)
 		goto fail;
 
 	ret = mxl111sf_write_reg(state, 0x00, 0x00);
-	if (mxl_fail(ret))
-		goto fail;
+	mxl_fail(ret);
 fail:
 	return ret;
 }
-- 
GitLab


From e836a1c078e230dd5a94bb086b186c2be3ec6a84 Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Mon, 31 Oct 2011 23:46:46 -0300
Subject: [PATCH 0144/1594] [media] mxl111sf: fix build warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fix build warning:
	variable ‘ret’ set but not used in function ‘mxl111sf_i2c_readagain’

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-usb/mxl111sf-i2c.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-i2c.c b/drivers/media/dvb/dvb-usb/mxl111sf-i2c.c
index 2e8c288258a9..34434557ef65 100644
--- a/drivers/media/dvb/dvb-usb/mxl111sf-i2c.c
+++ b/drivers/media/dvb/dvb-usb/mxl111sf-i2c.c
@@ -398,7 +398,6 @@ static int mxl111sf_i2c_readagain(struct mxl111sf_state *state,
 	u8 i2c_r_data[24];
 	u8 i = 0;
 	u8 fifo_status = 0;
-	int ret;
 	int status = 0;
 
 	mxl_i2c("read %d bytes", count);
@@ -418,7 +417,7 @@ static int mxl111sf_i2c_readagain(struct mxl111sf_state *state,
 		i2c_w_data[4+(i*3)] = 0x00;
 	}
 
-	ret = mxl111sf_i2c_get_data(state, 0, i2c_w_data, i2c_r_data);
+	mxl111sf_i2c_get_data(state, 0, i2c_w_data, i2c_r_data);
 
 	/* Check for I2C NACK status */
 	if (mxl111sf_i2c_check_status(state) == 1) {
-- 
GitLab


From eb513689c97e3e73bb9b4459d490a8e894b4a546 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 7 Nov 2011 10:47:42 -0500
Subject: [PATCH 0145/1594] ext4: ignore journalled data options on remount if
 fs has no journal

This avoids a confusing failure in the init scripts when the
/etc/fstab has data=writeback or data=journal but the file system does
not have a journal.  So check for this case explicitly, and warn the
user that we are ignoring the (pointless, since they have no journal)
data=* mount option.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/super.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9953d80145ad..0435013dbd46 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1683,7 +1683,9 @@ static int parse_options(char *options, struct super_block *sb,
 			data_opt = EXT4_MOUNT_WRITEBACK_DATA;
 		datacheck:
 			if (is_remount) {
-				if (test_opt(sb, DATA_FLAGS) != data_opt) {
+				if (!sbi->s_journal)
+					ext4_msg(sb, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data option");
+				else if (test_opt(sb, DATA_FLAGS) != data_opt) {
 					ext4_msg(sb, KERN_ERR,
 						"Cannot change data mode on remount");
 					return 0;
-- 
GitLab


From 2397256d6218e7bf5147a3b01dcc6aec20fd3916 Mon Sep 17 00:00:00 2001
From: Richard Weinberger <richard@nod.at>
Date: Mon, 7 Nov 2011 10:50:09 -0500
Subject: [PATCH 0146/1594] ext4: Remove kernel_lock annotations

The BKL is gone, these annotations are useless.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/super.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0435013dbd46..3858767ec672 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3101,8 +3101,6 @@ static void ext4_destroy_lazyinit_thread(void)
 }
 
 static int ext4_fill_super(struct super_block *sb, void *data, int silent)
-				__releases(kernel_lock)
-				__acquires(kernel_lock)
 {
 	char *orig_data = kstrdup(data, GFP_KERNEL);
 	struct buffer_head *bh;
-- 
GitLab


From 3c1fcb2c24519febd7ca9cf292fa5bdf513b601f Mon Sep 17 00:00:00 2001
From: Namjae Jeon <linkinjeon@gmail.com>
Date: Mon, 7 Nov 2011 11:01:13 -0500
Subject: [PATCH 0147/1594] ext4: add blk_finish_plug in error case of
 writepages.

blk_finish_plug is needed in error case of writepages.

Signed-off-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index cc5a6da030a1..18b262bb6a4a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2270,6 +2270,7 @@ retry:
 			ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: "
 			       "%ld pages, ino %lu; err %d", __func__,
 				wbc->nr_to_write, inode->i_ino, ret);
+			blk_finish_plug(&plug);
 			goto out_writepages;
 		}
 
-- 
GitLab


From fdbd3ce9efb3a045266f2f6b2f1b6047882ff092 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai.lu@oracle.com>
Date: Mon, 7 Nov 2011 07:53:23 -0800
Subject: [PATCH 0148/1594] PCI: pciehp: Retrieve link speed after link is
 trained

During hot plug, board_added will call pciehp_power_on_slot().
But link speed is updated in pciehp_power_on_slot().

We should not update link speed there, because that is too early.

So move the link speed update to pciehp_check_link_status() after making
sure the link has been trained.

-v2: fix compile warning that Kenji found.

Signed-off-by: Yinghai Lu <yinghai.lu@oracle.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Tested-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp_hpc.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 96dc4734e4af..6692832c9c81 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -294,6 +294,8 @@ int pciehp_check_link_status(struct controller *ctrl)
 		return retval;
 	}
 
+	pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status);
+
 	return retval;
 }
 
@@ -484,7 +486,6 @@ int pciehp_power_on_slot(struct slot * slot)
 	u16 slot_cmd;
 	u16 cmd_mask;
 	u16 slot_status;
-	u16 lnk_status;
 	int retval = 0;
 
 	/* Clear sticky power-fault bit from previous power failures */
@@ -516,14 +517,6 @@ int pciehp_power_on_slot(struct slot * slot)
 	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
 		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);
 
-	retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status);
-	if (retval) {
-		ctrl_err(ctrl, "%s: Cannot read LNKSTA register\n",
-				__func__);
-		return retval;
-	}
-	pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status);
-
 	return retval;
 }
 
-- 
GitLab


From 694718d8ad2f0b11d7376f8aa32b1befff6e5966 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Mon, 17 Oct 2011 16:59:25 +0200
Subject: [PATCH 0149/1594] b43: fill ctl1 word on all newer PHYs, fix PHY
 errors
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This fixes PHY transmission errors reported on some LP-PHY and HT-PHY
cards. For LP-PHY they were quite rare and not really noticable. On
HT-PHY they were critical, OFDM rates were not available at all.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/xmit.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 58ea0e5fabfd..b62d4a15c534 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -175,6 +175,7 @@ void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp,
 	}
 }
 
+/* TODO: verify if needed for SSLPN or LCN  */
 static u16 b43_generate_tx_phy_ctl1(struct b43_wldev *dev, u8 bitrate)
 {
 	const struct b43_phy *phy = &dev->phy;
@@ -256,6 +257,9 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 	unsigned int plcp_fragment_len;
 	u32 mac_ctl = 0;
 	u16 phy_ctl = 0;
+	bool fill_phy_ctl1 = (phy->type == B43_PHYTYPE_LP ||
+			      phy->type == B43_PHYTYPE_N ||
+			      phy->type == B43_PHYTYPE_HT);
 	u8 extra_ft = 0;
 	struct ieee80211_rate *txrate;
 	struct ieee80211_tx_rate *rates;
@@ -531,7 +535,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 			extra_ft |= B43_TXH_EFT_RTSFB_CCK;
 
 		if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS &&
-		    phy->type == B43_PHYTYPE_N) {
+		    fill_phy_ctl1) {
 			txhdr->phy_ctl1_rts = cpu_to_le16(
 				b43_generate_tx_phy_ctl1(dev, rts_rate));
 			txhdr->phy_ctl1_rts_fb = cpu_to_le16(
@@ -552,7 +556,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		break;
 	}
 
-	if (phy->type == B43_PHYTYPE_N) {
+	if (fill_phy_ctl1) {
 		txhdr->phy_ctl1 =
 			cpu_to_le16(b43_generate_tx_phy_ctl1(dev, rate));
 		txhdr->phy_ctl1_fb =
-- 
GitLab


From 73d51f38c736ae286372e90056a7f31519f555ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Mon, 17 Oct 2011 17:15:44 +0200
Subject: [PATCH 0150/1594] b43: HT-PHY: report signal to mac80211
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/xmit.c |  7 +++++++
 drivers/net/wireless/b43/xmit.h | 16 +++++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index b62d4a15c534..5f77cbe0b6aa 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -740,7 +740,14 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 
 	/* Link quality statistics */
 	switch (chanstat & B43_RX_CHAN_PHYTYPE) {
+	case B43_PHYTYPE_HT:
+		/* TODO: is max the right choice? */
+		status.signal = max_t(__s8,
+			max(rxhdr->phy_ht_power0, rxhdr->phy_ht_power1),
+			rxhdr->phy_ht_power2);
+		break;
 	case B43_PHYTYPE_N:
+		/* Broadcom has code for min and avg, but always uses max */
 		if (rxhdr->power0 == 16 || rxhdr->power0 == 32)
 			status.signal = max(rxhdr->power1, rxhdr->power2);
 		else
diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h
index 16c514d54afa..98d90747836a 100644
--- a/drivers/net/wireless/b43/xmit.h
+++ b/drivers/net/wireless/b43/xmit.h
@@ -249,6 +249,12 @@ struct b43_rxhdr_fw4 {
 		} __packed;
 	} __packed;
 	union {
+		/* HT-PHY */
+		struct {
+			PAD_BYTES(1);
+			__s8 phy_ht_power0;
+		} __packed;
+
 		/* RSSI for N-PHYs */
 		struct {
 			__s8 power2;
@@ -257,7 +263,15 @@ struct b43_rxhdr_fw4 {
 
 		__le16 phy_status2;	/* PHY RX Status 2 */
 	} __packed;
-	__le16 phy_status3;	/* PHY RX Status 3 */
+	union {
+		/* HT-PHY */
+		struct {
+			__s8 phy_ht_power1;
+			__s8 phy_ht_power2;
+		} __packed;
+
+		__le16 phy_status3;	/* PHY RX Status 3 */
+	} __packed;
 	union {
 		/* Tested with 598.314, 644.1001 and 666.2 */
 		struct {
-- 
GitLab


From ae8e46723f803057daff392bdc93332be2f0ec98 Mon Sep 17 00:00:00 2001
From: Arend van Spriel <arend@broadcom.com>
Date: Sat, 29 Oct 2011 11:30:15 +0200
Subject: [PATCH 0151/1594] brcm80211: smac: eliminate a null pointer
 dereference in dma.c

Though it's unlikely, di may be null, so we can't dereference
di->dma.dmactrlflags until we've checked it.

Move this de-reference after the check, and adjust the error
message to not require de-referencing di.

This is based upon Julia's original patch:
<1319846297-2985-2-git-send-email-julia@diku.dk>

Reported-by: Julia Lawall <julia@diku.dk>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/brcm80211/brcmsmac/dma.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
index b56a30297c26..6ebec8f42846 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
@@ -358,13 +358,14 @@ static uint nrxdactive(struct dma_info *di, uint h, uint t)
 
 static uint _dma_ctrlflags(struct dma_info *di, uint mask, uint flags)
 {
-	uint dmactrlflags = di->dma.dmactrlflags;
+	uint dmactrlflags;
 
 	if (di == NULL) {
-		DMA_ERROR(("%s: _dma_ctrlflags: NULL dma handle\n", di->name));
+		DMA_ERROR(("_dma_ctrlflags: NULL dma handle\n"));
 		return 0;
 	}
 
+	dmactrlflags = di->dma.dmactrlflags;
 	dmactrlflags &= ~mask;
 	dmactrlflags |= flags;
 
-- 
GitLab


From 3432f9233704a66e6067944339a311744243707d Mon Sep 17 00:00:00 2001
From: Eliad Peller <eliad@wizery.com>
Date: Sun, 30 Oct 2011 15:41:59 +0200
Subject: [PATCH 0152/1594] mac80211: use min rate as basic rate for buggy APs

Some buggy APs (and even P2P_GO) don't advertise their
basic rates in the association response.

In such case, use the min supported rate as the
basic rate.

Reported-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mlme.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 17258feaab9b..d3b408cda08d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1485,6 +1485,7 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
 	int i, j, err;
 	bool have_higher_than_11mbit = false;
 	u16 ap_ht_cap_flags;
+	int min_rate = INT_MAX, min_rate_index = -1;
 
 	/* AssocResp and ReassocResp have identical structure */
 
@@ -1551,6 +1552,10 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
 				rates |= BIT(j);
 				if (is_basic)
 					basic_rates |= BIT(j);
+				if (rate < min_rate) {
+					min_rate = rate;
+					min_rate_index = j;
+				}
 				break;
 			}
 		}
@@ -1568,11 +1573,25 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
 				rates |= BIT(j);
 				if (is_basic)
 					basic_rates |= BIT(j);
+				if (rate < min_rate) {
+					min_rate = rate;
+					min_rate_index = j;
+				}
 				break;
 			}
 		}
 	}
 
+	/*
+	 * some buggy APs don't advertise basic_rates. use the lowest
+	 * supported rate instead.
+	 */
+	if (unlikely(!basic_rates) && min_rate_index >= 0) {
+		printk(KERN_DEBUG "%s: No basic rates in AssocResp. "
+		       "Using min supported rate instead.\n", sdata->name);
+		basic_rates = BIT(min_rate_index);
+	}
+
 	sta->sta.supp_rates[wk->chan->band] = rates;
 	sdata->vif.bss_conf.basic_rates = basic_rates;
 
-- 
GitLab


From 6c7394197af90f6a332180e33f5d025d3037d883 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 3 Nov 2011 09:27:01 +0100
Subject: [PATCH 0153/1594] nl80211: fix HT capability attribute validation

Since the NL80211_ATTR_HT_CAPABILITY attribute is
used as a struct, it needs a minimum, not maximum
length. Enforce that properly. Not doing so could
potentially lead to reading after the buffer.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/nl80211.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 48260c2d092a..b587857a9d7d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -132,8 +132,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
 	[NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
 	[NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
 
-	[NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY,
-					 .len = NL80211_HT_CAPABILITY_LEN },
+	[NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
 
 	[NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
 	[NL80211_ATTR_IE] = { .type = NLA_BINARY,
-- 
GitLab


From 133a3ff2c934223a8143bfa52401bba962a97165 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 3 Nov 2011 14:50:13 +0100
Subject: [PATCH 0154/1594] cfg80211: allow setting TXQ parameters only in AP
 mode

In other modes the parameters should not be set.
Right now, mac80211 will set them, even if the
user asked for setting them on VLANs which the
driver doesn't know about, causing all kinds of
trouble.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/nl80211.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b587857a9d7d..b3a476fe8272 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1252,6 +1252,12 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
 			goto bad_res;
 		}
 
+		if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+		    netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
+			result = -EINVAL;
+			goto bad_res;
+		}
+
 		nla_for_each_nested(nl_txq_params,
 				    info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
 				    rem_txq_params) {
-- 
GitLab


From 3b6ef6334febb05d3050a96546e635f038dbcb15 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 4 Nov 2011 11:01:46 +0100
Subject: [PATCH 0155/1594] cfg80211: fix cmp_ies

When comparing two items by IE, the sort order
wasn't stable, which could lead to issues in the
rbtree. Make it stable by making a missing IE
sort before a present IE.

Also sort by length first if it differs and then
by contents.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/scan.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 0fb142410404..dc23b31594e0 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -259,17 +259,20 @@ static int cmp_ies(u8 num, u8 *ies1, size_t len1, u8 *ies2, size_t len2)
 {
 	const u8 *ie1 = cfg80211_find_ie(num, ies1, len1);
 	const u8 *ie2 = cfg80211_find_ie(num, ies2, len2);
-	int r;
 
+	/* equal if both missing */
 	if (!ie1 && !ie2)
 		return 0;
-	if (!ie1 || !ie2)
+	/* sort missing IE before (left of) present IE */
+	if (!ie1)
 		return -1;
+	if (!ie2)
+		return 1;
 
-	r = memcmp(ie1 + 2, ie2 + 2, min(ie1[1], ie2[1]));
-	if (r == 0 && ie1[1] != ie2[1])
+	/* sort by length first, then by contents */
+	if (ie1[1] != ie2[1])
 		return ie2[1] - ie1[1];
-	return r;
+	return memcmp(ie1 + 2, ie2 + 2, ie1[1]);
 }
 
 static bool is_bss(struct cfg80211_bss *a,
-- 
GitLab


From db652e4b36e5f1e5f49a4a49caf3aa365fe851c4 Mon Sep 17 00:00:00 2001
From: Jesper Juhl <jj@chaosbits.net>
Date: Sun, 6 Nov 2011 22:58:31 +0100
Subject: [PATCH 0156/1594] net, wireless, mwifiex: Fix mem leak in
 mwifiex_update_curr_bss_params()

If kmemdup() fails we leak the memory allocated to bss_desc.
This patch fixes the leak.
I also removed the pointless default assignment of 'NULL' to 'bss_desc'
while I was there anyway.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwifiex/scan.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index dae8dbb24a03..8a3f9598ad33 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1469,7 +1469,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
 			       s32 rssi, const u8 *ie_buf, size_t ie_len,
 			       u16 beacon_period, u16 cap_info_bitmap, u8 band)
 {
-	struct mwifiex_bssdescriptor *bss_desc = NULL;
+	struct mwifiex_bssdescriptor *bss_desc;
 	int ret;
 	unsigned long flags;
 	u8 *beacon_ie;
@@ -1484,6 +1484,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
 
 	beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL);
 	if (!beacon_ie) {
+		kfree(bss_desc);
 		dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
 		return -ENOMEM;
 	}
-- 
GitLab


From 24b9c373ab787ccacfa2c46736153708796f5cd6 Mon Sep 17 00:00:00 2001
From: "Janusz.Dziedzic@tieto.com" <Janusz.Dziedzic@tieto.com>
Date: Mon, 7 Nov 2011 09:47:47 +0200
Subject: [PATCH 0157/1594] mac80211: uAPSD - fix IEEE80211_FCTL_MOREDATA bit
 setting

Set IEEE80211_FCTL_MOREDATA bit also in case we have buffered
frames (more than one) only for one AC.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/sta_info.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index ce962d2c8782..8eaa746ec7a2 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1354,12 +1354,12 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
 			 * Use MoreData flag to indicate whether there are
 			 * more buffered frames for this STA
 			 */
-			if (!more_data)
-				hdr->frame_control &=
-					cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
-			else
+			if (more_data || !skb_queue_empty(&frames))
 				hdr->frame_control |=
 					cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+			else
+				hdr->frame_control &=
+					cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
 
 			if (ieee80211_is_data_qos(hdr->frame_control) ||
 			    ieee80211_is_qos_nullfunc(hdr->frame_control))
-- 
GitLab


From 4dff523a913197e3314c7b0d08734ab037709093 Mon Sep 17 00:00:00 2001
From: Arek Lichwa <arkadiusz.lichwa@tieto.com>
Date: Wed, 26 Oct 2011 11:23:22 +0200
Subject: [PATCH 0158/1594] Bluetooth: Revert: Fix L2CAP connection
 establishment
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This reverts commit 330605423ca6eafafb8dcc27502bce1c585d1b06.
The commit introduces regression when two 2.1 devices attempt
establish rfcomm channel. Such connection is refused since there's
a security block issue on l2cap. It means the link is unencrypted.

2011-09-16 18:08:46.567616 < ACL data: handle 1 flags 0x00 dlen 24
    0000: 14 00 40 00 06 00 02 00  0f 35 03 19 12 00 ff ff
..@......5....˙˙
    0010: 35 05 0a 00 00 ff ff 00                           5....˙˙.
2011-09-16 18:08:46.572377 > HCI Event: Number of Completed Packets
(0x13) plen 5
    handle 1 packets 1
2011-09-16 18:08:46.577931 > ACL data: handle 1 flags 0x02 dlen 88
    L2CAP(d): cid 0x0040 len 84 [psm 0]
      0000: 07 00 02 00 4f 00 4c 35  4a 35 48 09 00 00 0a 00
....O.L5J5H.....
      0010: 01 00 00 09 00 01 35 03  19 12 00 09 00 05 35 03
......5.......5.
      0020: 19 10 02 09 00 09 35 08  35 06 19 12 00 09 01 02
......5.5.......
      0030: 09 02 00 09 01 02 09 02  01 09 00 0a 09 02 02 09
................
      0040: 00 00 09 02 03 09 00 00  09 02 04 28 01 09 02 05
...........(....
      0050: 09 00 02 00                                       ....
2011-09-16 18:08:46.626057 < HCI Command: Authentication Requested
(0x01|0x0011) plen 2
    handle 1
2011-09-16 18:08:46.627614 > HCI Event: Command Status (0x0f) plen 4
    Authentication Requested (0x01|0x0011) status 0x00 ncmd 1
2011-09-16 18:08:46.627675 > HCI Event: Link Key Request (0x17) plen 6
    bdaddr 00:00:F2:6A:29:69
2011-09-16 18:08:46.634999 < HCI Command: Link Key Request Reply
(0x01|0x000b) plen 22
    bdaddr 00:00:F2:6A:29:69 key 58CD393179FC902E5E8F512A855EE532
2011-09-16 18:08:46.683278 > HCI Event: Command Complete (0x0e) plen 10
    Link Key Request Reply (0x01|0x000b) ncmd 1
    status 0x00 bdaddr 00:00:F2:6A:29:69
2011-09-16 18:08:46.764729 > HCI Event: Auth Complete (0x06) plen 3
    status 0x00 handle 1
2011-09-16 18:08:46.764821 < ACL data: handle 1 flags 0x00 dlen 12
    0000: 08 00 01 00 02 05 04 00  03 00 41 00              ..........A.
2011-09-16 18:08:46.764851 > HCI Event: Command Status (0x0f) plen 4
    Unknown (0x00|0x0000) status 0x00 ncmd 2
2011-09-16 18:08:46.768117 > HCI Event: Number of Completed Packets
(0x13) plen 5
    handle 1 packets 1
2011-09-16 18:08:46.770894 > ACL data: handle 1 flags 0x02 dlen 16
    L2CAP(s): Connect rsp: dcid 0x0000 scid 0x0041 result 3 status 0
      Connection refused - security block
2011-09-16 18:08:49.000691 < ACL data: handle 1 flags 0x00 dlen 12
    0000: 08 00 01 00 06 06 04 00  40 00 40 00              ........@.@.
2011-09-16 18:08:49.015675 > HCI Event: Number of Completed Packets
(0x13) plen 5
    handle 1 packets 1
2011-09-16 18:08:49.016927 > ACL data: handle 1 flags 0x02 dlen 12
    L2CAP(s): Disconn rsp: dcid 0x0040 scid 0x0040
2011-09-16 18:08:51.009480 < HCI Command: Disconnect (0x01|0x0006) plen
3
    handle 1 reason 0x13
    Reason: Remote User Terminated Connection
2011-09-16 18:08:51.011525 > HCI Event: Command Status (0x0f) plen 4
    Disconnect (0x01|0x0006) status 0x00 ncmd 1
2011-09-16 18:08:51.123494 > HCI Event: Disconn Complete (0x05) plen 4
    status 0x00 handle 1 reason 0x16
    Reason: Connection Terminated by Local Host

Signed-off-by: Arek Lichwa <arkadiusz.lichwa@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/hci_conn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index c1c597e3e198..e0af7237cd92 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -673,7 +673,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		goto encrypt;
 
 auth:
-	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+	if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
 		return 0;
 
 	if (!hci_conn_auth(conn, sec_level, auth_type))
-- 
GitLab


From abf015f04614a3a7da43d35b55edc90189af4e6a Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Mon, 7 Nov 2011 19:04:36 +0000
Subject: [PATCH 0159/1594] Revert "ARM: 7098/1: kdump: copy kernel relocation
 code at the kexec prepare stage"

This reverts commit 2b034922af2caa19df86f0c502e76cb6f6e910f9.

Will Deacon reports:

This is causing kexec to fail.

The symptoms are that the .init.text section is not loaded as part of the
new kernel image, so when we try to do the SMP/UP fixups we hit a whole sea
of poison left there by the previous kernel.

So my guess is that machine_kexec_prepare *is* too early for preparing the
reboot_code_buffer and, unless anybody has a good reason not to, I'd like to
revert the patch causing these problems.

Reported-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm/kernel/machine_kexec.c | 35 ++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 18 deletions(-)

diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index c1b4463dcc83..e59bbd496c39 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -32,24 +32,6 @@ static atomic_t waiting_for_crash_ipi;
 
 int machine_kexec_prepare(struct kimage *image)
 {
-	unsigned long page_list;
-	void *reboot_code_buffer;
-	page_list = image->head & PAGE_MASK;
-
-	reboot_code_buffer = page_address(image->control_code_page);
-
-	/* Prepare parameters for reboot_code_buffer*/
-	kexec_start_address = image->start;
-	kexec_indirection_page = page_list;
-	kexec_mach_type = machine_arch_type;
-	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
-
-	/* copy our kernel relocation code to the control code page */
-	memcpy(reboot_code_buffer,
-	       relocate_new_kernel, relocate_new_kernel_size);
-
-	flush_icache_range((unsigned long) reboot_code_buffer,
-			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	return 0;
 }
 
@@ -100,14 +82,31 @@ void (*kexec_reinit)(void);
 
 void machine_kexec(struct kimage *image)
 {
+	unsigned long page_list;
 	unsigned long reboot_code_buffer_phys;
 	void *reboot_code_buffer;
 
+
+	page_list = image->head & PAGE_MASK;
+
 	/* we need both effective and real address here */
 	reboot_code_buffer_phys =
 	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
 	reboot_code_buffer = page_address(image->control_code_page);
 
+	/* Prepare parameters for reboot_code_buffer*/
+	kexec_start_address = image->start;
+	kexec_indirection_page = page_list;
+	kexec_mach_type = machine_arch_type;
+	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
+
+	/* copy our kernel relocation code to the control code page */
+	memcpy(reboot_code_buffer,
+	       relocate_new_kernel, relocate_new_kernel_size);
+
+
+	flush_icache_range((unsigned long) reboot_code_buffer,
+			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	printk(KERN_INFO "Bye!\n");
 
 	if (kexec_reinit)
-- 
GitLab


From f3f668b0ef4399b67e60e4c10a30099d630a6206 Mon Sep 17 00:00:00 2001
From: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Date: Mon, 7 Nov 2011 17:19:04 -0200
Subject: [PATCH 0160/1594] Bluetooth: Use miliseconds for L2CAP channel
 timeouts

Timers set by __set_chan_timer() should use miliseconds instead of
jiffies. Commit 942ecc9c4643db5ce071562e0a23f99464d6b461 updated
l2cap_set_timer() so it expects timeout to be specified in msecs
instead of jiffies. This makes timeouts unreliable when CONFIG_HZ
is not set to 1000.

Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 include/net/bluetooth/l2cap.h |  7 +++++--
 net/bluetooth/l2cap_core.c    | 16 ++++++++--------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index ab90ae0970a6..6cc18f371675 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -39,8 +39,11 @@
 #define L2CAP_DEFAULT_ACK_TO		200
 #define L2CAP_LE_DEFAULT_MTU		23
 
-#define L2CAP_CONN_TIMEOUT	(40000) /* 40 seconds */
-#define L2CAP_INFO_TIMEOUT	(4000)  /*  4 seconds */
+#define L2CAP_DISC_TIMEOUT             (100)
+#define L2CAP_DISC_REJ_TIMEOUT         (5000)  /*  5 seconds */
+#define L2CAP_ENC_TIMEOUT              (5000)  /*  5 seconds */
+#define L2CAP_CONN_TIMEOUT             (40000) /* 40 seconds */
+#define L2CAP_INFO_TIMEOUT             (4000)  /*  4 seconds */
 
 /* L2CAP socket address */
 struct sockaddr_l2 {
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 8cd12917733b..5ea94a1eecf2 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -251,7 +251,7 @@ static void l2cap_chan_timeout(unsigned long arg)
 
 	if (sock_owned_by_user(sk)) {
 		/* sk is owned by user. Try again later */
-		__set_chan_timer(chan, HZ / 5);
+		__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 		bh_unlock_sock(sk);
 		chan_put(chan);
 		return;
@@ -2488,7 +2488,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
 		if (sock_owned_by_user(sk)) {
 			l2cap_state_change(chan, BT_DISCONN);
 			__clear_chan_timer(chan);
-			__set_chan_timer(chan, HZ / 5);
+			__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 			break;
 		}
 
@@ -2661,7 +2661,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 
 	default:
 		sk->sk_err = ECONNRESET;
-		__set_chan_timer(chan, HZ * 5);
+		__set_chan_timer(chan, L2CAP_DISC_REJ_TIMEOUT);
 		l2cap_send_disconn_req(conn, chan, ECONNRESET);
 		goto done;
 	}
@@ -2718,7 +2718,7 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
 	if (sock_owned_by_user(sk)) {
 		l2cap_state_change(chan, BT_DISCONN);
 		__clear_chan_timer(chan);
-		__set_chan_timer(chan, HZ / 5);
+		__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 		bh_unlock_sock(sk);
 		return 0;
 	}
@@ -2752,7 +2752,7 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
 	if (sock_owned_by_user(sk)) {
 		l2cap_state_change(chan,BT_DISCONN);
 		__clear_chan_timer(chan);
-		__set_chan_timer(chan, HZ / 5);
+		__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 		bh_unlock_sock(sk);
 		return 0;
 	}
@@ -3998,7 +3998,7 @@ static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
 	if (encrypt == 0x00) {
 		if (chan->sec_level == BT_SECURITY_MEDIUM) {
 			__clear_chan_timer(chan);
-			__set_chan_timer(chan, HZ * 5);
+			__set_chan_timer(chan, L2CAP_ENC_TIMEOUT);
 		} else if (chan->sec_level == BT_SECURITY_HIGH)
 			l2cap_chan_close(chan, ECONNREFUSED);
 	} else {
@@ -4066,7 +4066,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 					L2CAP_CONN_REQ, sizeof(req), &req);
 			} else {
 				__clear_chan_timer(chan);
-				__set_chan_timer(chan, HZ / 10);
+				__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 			}
 		} else if (chan->state == BT_CONNECT2) {
 			struct l2cap_conn_rsp rsp;
@@ -4086,7 +4086,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 				}
 			} else {
 				l2cap_state_change(chan, BT_DISCONN);
-				__set_chan_timer(chan, HZ / 10);
+				__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 				res = L2CAP_CR_SEC_BLOCK;
 				stat = L2CAP_CS_NO_INFO;
 			}
-- 
GitLab


From 45ea6095c8f0d6caad5658306416a5d254f1205e Mon Sep 17 00:00:00 2001
From: "slyich@gmail.com" <slyich@gmail.com>
Date: Mon, 7 Nov 2011 16:08:01 -0500
Subject: [PATCH 0161/1594] btrfs: fix double-free 'tree_root' in
 'btrfs_mount()'

On error path 'tree_root' is treed in 'free_fs_info()'.
No need to free it explicitely. Noticed by SLUB in debug mode:

Complete reproducer under usermode linux (discovered on real
machine):

    bdev=/dev/ubda
    btr_root=/btr
    /mkfs.btrfs $bdev
    mount $bdev $btr_root
    mkdir $btr_root/subvols/
    cd $btr_root/subvols/
    /btrfs su cr foo
    /btrfs su cr bar
    mount $bdev -osubvol=subvols/foo $btr_root/subvols/bar
    umount $btr_root/subvols/bar

which gives

device fsid 4d55aa28-45b1-474b-b4ec-da912322195e devid 1 transid 7 /dev/ubda
=============================================================================
BUG kmalloc-2048: Object already free
-----------------------------------------------------------------------------

INFO: Allocated in btrfs_mount+0x389/0x7f0 age=0 cpu=0 pid=277
INFO: Freed in btrfs_mount+0x51c/0x7f0 age=0 cpu=0 pid=277
INFO: Slab 0x0000000062886200 objects=15 used=9 fp=0x0000000070b4d2d0 flags=0x4081
INFO: Object 0x0000000070b4d2d0 @offset=21200 fp=0x0000000070b4a968
...
Call Trace:
70b31948:  [<6008c522>] print_trailer+0xe2/0x130
70b31978:  [<6008c5aa>] object_err+0x3a/0x50
70b319a8:  [<6008e242>] free_debug_processing+0x142/0x2a0
70b319e0:  [<600ebf6f>] btrfs_mount+0x55f/0x7f0
70b319f8:  [<6008e5c1>] __slab_free+0x221/0x2d0

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Cc: Arne Jansen <sensille@gmx.net>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/super.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 57080dffdfc6..dcd5aef6b614 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -933,8 +933,12 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 	 * then open_ctree will properly initialize everything later.
 	 */
 	fs_info = kzalloc(sizeof(struct btrfs_fs_info), GFP_NOFS);
+	if (!fs_info) {
+		error = -ENOMEM;
+		goto error_close_devices;
+	}
 	tree_root = kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
-	if (!fs_info || !tree_root) {
+	if (!tree_root) {
 		error = -ENOMEM;
 		goto error_close_devices;
 	}
@@ -964,7 +968,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 
 		btrfs_close_devices(fs_devices);
 		free_fs_info(fs_info);
-		kfree(tree_root);
 	} else {
 		char b[BDEVNAME_SIZE];
 
@@ -992,7 +995,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 error_close_devices:
 	btrfs_close_devices(fs_devices);
 	free_fs_info(fs_info);
-	kfree(tree_root);
 	return ERR_PTR(error);
 }
 
-- 
GitLab


From a6f498a891c730327645a7afa10c5ae977de6fd8 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Mon, 7 Nov 2011 15:50:32 -0500
Subject: [PATCH 0162/1594] NFS: Fix a regression in the referral code

Fix a regression that was introduced by commit
0c2e53f11a6dae9e3af5f50f5ad0382e7c3e0cfa (NFS: Remove the unused
"lookupfh()" version of nfs4_proc_lookup()).

In the case where the lookup gets an NFS4ERR_MOVED, we want to return
the result of nfs4_get_referral(). Instead, that value is getting
clobbered by the call to nfs4_handle_exception()...

Reported-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Tested-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/nfs4proc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 069cb8094d43..be2bbac13817 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2464,8 +2464,7 @@ static int nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qst
 		case -NFS4ERR_BADNAME:
 			return -ENOENT;
 		case -NFS4ERR_MOVED:
-			err = nfs4_get_referral(dir, name, fattr, fhandle);
-			break;
+			return nfs4_get_referral(dir, name, fattr, fhandle);
 		case -NFS4ERR_WRONGSEC:
 			nfs_fixup_secinfo_attributes(fattr, fhandle);
 		}
-- 
GitLab


From a6f05b97d1ba87326bd96f3da9fef994830d6994 Mon Sep 17 00:00:00 2001
From: Dominik Brodowski <linux@dominikbrodowski.net>
Date: Sun, 6 Nov 2011 21:54:12 +0100
Subject: [PATCH 0163/1594] PM / QoS: Set cpu_dma_pm_qos->name

Since commit 4a31a334, the name of this misc device is not initialized,
which leads to a funny device named /dev/(null) being created and
/proc/misc containing an entry with just a number but no name. The latter
leads to complaints by cryptsetup, which caused me to investigate this
matter.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 kernel/power/qos.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 56db75147186..995e3bd3417b 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -70,6 +70,7 @@ static struct pm_qos_constraints cpu_dma_constraints = {
 };
 static struct pm_qos_object cpu_dma_pm_qos = {
 	.constraints = &cpu_dma_constraints,
+	.name = "cpu_dma_latency",
 };
 
 static BLOCKING_NOTIFIER_HEAD(network_lat_notifier);
-- 
GitLab


From 5f11161675be1351cadb96c83850e20bf5bcdc48 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Sun, 6 Nov 2011 22:00:20 +0100
Subject: [PATCH 0164/1594] Documentation: Fix typo in freezer-subsystem.txt

Fix a typo in Documentation/cgroups/freezer-subsystem.txt.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
---
 Documentation/cgroups/freezer-subsystem.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/cgroups/freezer-subsystem.txt b/Documentation/cgroups/freezer-subsystem.txt
index c21d77742a07..7e62de1e59ff 100644
--- a/Documentation/cgroups/freezer-subsystem.txt
+++ b/Documentation/cgroups/freezer-subsystem.txt
@@ -33,9 +33,9 @@ demonstrate this problem using nested bash shells:
 
 	From a second, unrelated bash shell:
 	$ kill -SIGSTOP 16690
-	$ kill -SIGCONT 16990
+	$ kill -SIGCONT 16690
 
-	<at this point 16990 exits and causes 16644 to exit too>
+	<at this point 16690 exits and causes 16644 to exit too>
 
 This happens because bash can observe both signals and choose how it
 responds to them.
-- 
GitLab


From 1a51cfdc4516a6e1f2c1f8a579630a027c30331a Mon Sep 17 00:00:00 2001
From: Jonathan Corbet <corbet@lwn.net>
Date: Mon, 7 Nov 2011 23:54:53 +0100
Subject: [PATCH 0165/1594] PM / devfreq: fix private_data

The "private_date" field in struct devfreq_dev_status almost certainly
wants to be "private_data"; since there are no in-tree users of this
functionality, now seems like an easy time to make the fix.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 include/linux/devfreq.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index afb94583960c..98ce8124b1cc 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -41,7 +41,7 @@ struct devfreq_dev_status {
 	unsigned long total_time;
 	unsigned long busy_time;
 	unsigned long current_frequency;
-	void *private_date;
+	void *private_data;
 };
 
 /**
-- 
GitLab


From 5698eb4eda657fd4a74612a65cd5d583f35a5bdb Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@ti.com>
Date: Mon, 7 Nov 2011 15:58:40 -0800
Subject: [PATCH 0166/1594] ARM: OMAP3: CPUidle: include <linux/export.h>

The CPUidle use THIS_MODULE, so needs <linux/export.h>

Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/cpuidle34xx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index 4bf6e6e8b100..2e0fa5a4aaeb 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -24,6 +24,7 @@
 
 #include <linux/sched.h>
 #include <linux/cpuidle.h>
+#include <linux/export.h>
 
 #include <plat/prcm.h>
 #include <plat/irqs.h>
-- 
GitLab


From 4e549d6d4a32d1a610ad081841d575f64087744a Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Sun, 6 Nov 2011 12:57:31 +0100
Subject: [PATCH 0167/1594] MTD: MAPS: bcm963xx-flash.c: explicitly include
 module.h

module.h was previously implicitly included through mtd/mtd.h.

Fixes the following build failure after the module.h cleanup:

  CC      drivers/mtd/maps/bcm963xx-flash.o
drivers/mtd/maps/bcm963xx-flash.c: In function 'bcm963xx_probe':
drivers/mtd/maps/bcm963xx-flash.c:208:29: error: 'THIS_MODULE' undeclared (first use in this function)
 [...]
drivers/mtd/maps/bcm963xx-flash.c:276:1: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
drivers/mtd/maps/bcm963xx-flash.c:276:15: warning: function declaration isn't a prototype
make[7]: *** [drivers/mtd/maps/bcm963xx-flash.o] Error 1

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 drivers/mtd/maps/bcm963xx-flash.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/maps/bcm963xx-flash.c b/drivers/mtd/maps/bcm963xx-flash.c
index 608967fe74c6..736ca10ca9f1 100644
--- a/drivers/mtd/maps/bcm963xx-flash.c
+++ b/drivers/mtd/maps/bcm963xx-flash.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 #include <linux/mtd/map.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
-- 
GitLab


From 8f7346bdea64f2e3d02b0bcaf456e391c4cba134 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sun, 6 Nov 2011 21:16:51 +0800
Subject: [PATCH 0168/1594] hwspinlock/u8500: include linux/module.h

Include module.h to fix below build error:

  CC      drivers/hwspinlock/u8500_hsem.o
drivers/hwspinlock/u8500_hsem.c:177: error: 'THIS_MODULE' undeclared here (not in a function)
 [...]
drivers/hwspinlock/u8500_hsem.c:196: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
drivers/hwspinlock/u8500_hsem.c:196: warning: function declaration isn't a prototype
make[2]: *** [drivers/hwspinlock/u8500_hsem.o] Error 1
make[1]: *** [drivers/hwspinlock] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 drivers/hwspinlock/u8500_hsem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hwspinlock/u8500_hsem.c b/drivers/hwspinlock/u8500_hsem.c
index 143461a95ae4..0156af510032 100644
--- a/drivers/hwspinlock/u8500_hsem.c
+++ b/drivers/hwspinlock/u8500_hsem.c
@@ -21,6 +21,7 @@
  * General Public License for more details.
  */
 
+#include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/pm_runtime.h>
-- 
GitLab


From 3b8ce3aed986090d9249629f97c53b4dfb8c9783 Mon Sep 17 00:00:00 2001
From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Mon, 7 Nov 2011 11:17:04 -0500
Subject: [PATCH 0169/1594] mfd: fix build failures in recently added ab5500
 code

These files had implicit dependencies on modular support
which now show up as build failures with the module cleanup
work merged to mainline.

Reported-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 drivers/mfd/ab5500-core.c    | 1 +
 drivers/mfd/ab5500-debugfs.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/mfd/ab5500-core.c b/drivers/mfd/ab5500-core.c
index 4175544b491b..ec10629a0b0b 100644
--- a/drivers/mfd/ab5500-core.c
+++ b/drivers/mfd/ab5500-core.c
@@ -13,6 +13,7 @@
  * TODO: Event handling with irq_chip. Waiting for PRCMU fw support.
  */
 
+#include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/err.h>
 #include <linux/platform_device.h>
diff --git a/drivers/mfd/ab5500-debugfs.c b/drivers/mfd/ab5500-debugfs.c
index 6be1fe6b5f9a..43c0ebb81956 100644
--- a/drivers/mfd/ab5500-debugfs.c
+++ b/drivers/mfd/ab5500-debugfs.c
@@ -4,6 +4,7 @@
  * Debugfs support for the AB5500 MFD driver
  */
 
+#include <linux/export.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/mfd/ab5500/ab5500.h>
-- 
GitLab


From 406478dc911e16677fbd9c84d1d50cdffbc031ab Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 7 Nov 2011 16:07:04 -0800
Subject: [PATCH 0170/1594] drm/i915: Turn on a required 3D clock gating bit on
 Sandybridge.

Fixes rendering failures in Unigine Tropics and Sanctuary and the mesa
"fire" demo.

Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: stable@kernel.org
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_reg.h      | 3 +++
 drivers/gpu/drm/i915/intel_display.c | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5a09416e611f..b807275ea739 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3444,6 +3444,9 @@
 #define  GT_FIFO_FREE_ENTRIES			0x120008
 #define    GT_FIFO_NUM_RESERVED_ENTRIES		20
 
+#define GEN6_UCGCTL2				0x9404
+# define GEN6_RCPBUNIT_CLOCK_GATE_DISABLE		(1 << 12)
+
 #define GEN6_RPNSWREQ				0xA008
 #define   GEN6_TURBO_DISABLE			(1<<31)
 #define   GEN6_FREQUENCY(x)			((x)<<25)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9fa342e89454..2b2a7645cd0c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8148,6 +8148,15 @@ static void gen6_init_clock_gating(struct drm_device *dev)
 	I915_WRITE(WM2_LP_ILK, 0);
 	I915_WRITE(WM1_LP_ILK, 0);
 
+	/* According to the BSpec vol1g, bit 12 (RCPBUNIT) clock
+	 * gating disable must be set.  Failure to set it results in
+	 * flickering pixels due to Z write ordering failures after
+	 * some amount of runtime in the Mesa "fire" demo, and Unigine
+	 * Sanctuary and Tropics, and apparently anything else with
+	 * alpha test or pixel discard.
+	 */
+	I915_WRITE(GEN6_UCGCTL2, GEN6_RCPBUNIT_CLOCK_GATE_DISABLE);
+
 	/*
 	 * According to the spec the following bits should be
 	 * set in order to enable memory self-refresh and fbc:
-- 
GitLab


From 9ca1d10d748e56964de95e3ed80211b192f56cf4 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 7 Nov 2011 16:07:05 -0800
Subject: [PATCH 0171/1594] drm/i915: Turn on another required clock gating bit
 on gen6.

Unlike the previous one, I don't have known testcases it fixes.  I'd
rather not go through the same debug cycle on whatever testcases those
might be.

Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: stable@kernel.org
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_reg.h      | 1 +
 drivers/gpu/drm/i915/intel_display.c | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b807275ea739..a34e86630f26 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3446,6 +3446,7 @@
 
 #define GEN6_UCGCTL2				0x9404
 # define GEN6_RCPBUNIT_CLOCK_GATE_DISABLE		(1 << 12)
+# define GEN6_RCCUNIT_CLOCK_GATE_DISABLE		(1 << 11)
 
 #define GEN6_RPNSWREQ				0xA008
 #define   GEN6_TURBO_DISABLE			(1<<31)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2b2a7645cd0c..591eb0ed3110 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8154,8 +8154,13 @@ static void gen6_init_clock_gating(struct drm_device *dev)
 	 * some amount of runtime in the Mesa "fire" demo, and Unigine
 	 * Sanctuary and Tropics, and apparently anything else with
 	 * alpha test or pixel discard.
+	 *
+	 * According to the spec, bit 11 (RCCUNIT) must also be set,
+	 * but we didn't debug actual testcases to find it out.
 	 */
-	I915_WRITE(GEN6_UCGCTL2, GEN6_RCPBUNIT_CLOCK_GATE_DISABLE);
+	I915_WRITE(GEN6_UCGCTL2,
+		   GEN6_RCPBUNIT_CLOCK_GATE_DISABLE |
+		   GEN6_RCCUNIT_CLOCK_GATE_DISABLE);
 
 	/*
 	 * According to the spec the following bits should be
-- 
GitLab


From ad61d64e263228a418fe25809a23d5107cf778a0 Mon Sep 17 00:00:00 2001
From: Nishanth Aravamudan <nacc@us.ibm.com>
Date: Mon, 7 Nov 2011 13:36:56 +0000
Subject: [PATCH 0172/1594] powerpc/kvm: Fix build with older toolchains

Fix KVM build for older toolchains (found with .powerpc64-unknown-linux-gnu-gcc
(crosstool-NG-1.8.1) 4.3.2):

  AS      arch/powerpc/kvm/book3s_hv_rmhandlers.o
arch/powerpc/kvm/book3s_hv_rmhandlers.S: Assembler messages:
arch/powerpc/kvm/book3s_hv_rmhandlers.S:1388: Error: Unrecognized opcode: `popcntw'
make[1]: *** [arch/powerpc/kvm/book3s_hv_rmhandlers.o] Error 1
make: *** [_module_arch/powerpc/kvm] Error 2

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kvm/book3s_hv_rmhandlers.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index f422231d9235..44d8829334ab 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1263,7 +1263,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_206)
 	addi	r6,r5,VCORE_NAPPING_THREADS
 31:	lwarx	r4,0,r6
 	or	r4,r4,r0
-	popcntw	r7,r4
+	PPC_POPCNTW(r7,r4)
 	cmpw	r7,r8
 	bge	2f
 	stwcx.	r4,0,r6
-- 
GitLab


From 88cf11b4cca8ee0044d0a10ce100d8c0012b2c5e Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Mon, 7 Nov 2011 14:49:13 +0000
Subject: [PATCH 0173/1594] powerpc: Add KVM as module to defconfigs

Add HV mode KVM to Book3 server 64bit defconfigs as a module.

Doesn't add much to the size:
   text	   data	    bss	     dec	    hex	filename
8244109	4686767	 994000	13924876	 d47a0c	vmlinux.vanilla
8256092 4691607  994128 13941827         d4bc43 vmlinux.kvm

This should enable more testing of this configuration.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/configs/ppc64_defconfig   | 4 ++++
 arch/powerpc/configs/pseries_defconfig | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 84a685a505fe..535711fcb13c 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -485,3 +485,7 @@ CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM_BOOK3S_64=m
+CONFIG_KVM_BOOK3S_64_HV=y
+CONFIG_VHOST_NET=m
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 96a58b709705..a72f2415a647 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -362,3 +362,7 @@ CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM_BOOK3S_64=m
+CONFIG_KVM_BOOK3S_64_HV=y
+CONFIG_VHOST_NET=m
-- 
GitLab


From c40dd2f76644016ca7677545fc846ec2470d70a1 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Wed, 2 Nov 2011 14:56:12 +0000
Subject: [PATCH 0174/1594] powerpc: Add System RAM to /proc/iomem

We've resisted adding System RAM to /proc/iomem because it is
the wrong place for it. Unfortunately we continue to find tools
that rely on this behaviour so give up and add it in.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/mem.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 16da595ff402..2dd6bdd31fe1 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -34,6 +34,7 @@
 #include <linux/suspend.h>
 #include <linux/memblock.h>
 #include <linux/hugetlb.h>
+#include <linux/slab.h>
 
 #include <asm/pgalloc.h>
 #include <asm/prom.h>
@@ -555,3 +556,32 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
 		book3e_hugetlb_preload(vma->vm_mm, address, *ptep);
 #endif
 }
+
+/*
+ * System memory should not be in /proc/iomem but various tools expect it
+ * (eg kdump).
+ */
+static int add_system_ram_resources(void)
+{
+	struct memblock_region *reg;
+
+	for_each_memblock(memory, reg) {
+		struct resource *res;
+		unsigned long base = reg->base;
+		unsigned long size = reg->size;
+
+		res = kzalloc(sizeof(struct resource), GFP_KERNEL);
+		WARN_ON(!res);
+
+		if (res) {
+			res->name = "System RAM";
+			res->start = base;
+			res->end = base + size - 1;
+			res->flags = IORESOURCE_MEM;
+			WARN_ON(request_resource(&iomem_resource, res) < 0);
+		}
+	}
+
+	return 0;
+}
+subsys_initcall(add_system_ram_resources);
-- 
GitLab


From 1c8ee73395af762726e9eb628636d3b763618c60 Mon Sep 17 00:00:00 2001
From: Dipankar Sarma <dipankar@in.ibm.com>
Date: Fri, 28 Oct 2011 04:25:32 +0000
Subject: [PATCH 0175/1594] powerpc/numa: NUMA topology support for PowerNV

This patch adds support for numa topology on powernv platforms running
OPAL formware. It checks for the type of platform at run time and
sets the affinity form correctly so that NUMA topology can be discovered
correctly.

Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/numa.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index c7dd4dec4df8..b22a83a91cb8 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -315,7 +315,10 @@ static int __init find_min_common_depth(void)
 	struct device_node *root;
 	const char *vec5;
 
-	root = of_find_node_by_path("/rtas");
+	if (firmware_has_feature(FW_FEATURE_OPAL))
+		root = of_find_node_by_path("/ibm,opal");
+	else
+		root = of_find_node_by_path("/rtas");
 	if (!root)
 		root = of_find_node_by_path("/");
 
@@ -344,12 +347,19 @@ static int __init find_min_common_depth(void)
 
 #define VEC5_AFFINITY_BYTE	5
 #define VEC5_AFFINITY		0x80
-	chosen = of_find_node_by_path("/chosen");
-	if (chosen) {
-		vec5 = of_get_property(chosen, "ibm,architecture-vec-5", NULL);
-		if (vec5 && (vec5[VEC5_AFFINITY_BYTE] & VEC5_AFFINITY)) {
-			dbg("Using form 1 affinity\n");
-			form1_affinity = 1;
+
+	if (firmware_has_feature(FW_FEATURE_OPAL))
+		form1_affinity = 1;
+	else {
+		chosen = of_find_node_by_path("/chosen");
+		if (chosen) {
+			vec5 = of_get_property(chosen,
+					       "ibm,architecture-vec-5", NULL);
+			if (vec5 && (vec5[VEC5_AFFINITY_BYTE] &
+							VEC5_AFFINITY)) {
+				dbg("Using form 1 affinity\n");
+				form1_affinity = 1;
+			}
 		}
 	}
 
-- 
GitLab


From a3a9f3b47d12b5f6dfc9c7ed9d7b193d77812195 Mon Sep 17 00:00:00 2001
From: Yong Zhang <yong.zhang0@gmail.com>
Date: Fri, 21 Oct 2011 23:56:27 +0000
Subject: [PATCH 0176/1594] powerpc/irq: Remove IRQF_DISABLED

Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).

So now this flag is a NOOP and can be removed.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/floppy.h              | 4 ++--
 arch/powerpc/include/asm/xics.h                | 4 ++--
 arch/powerpc/kernel/smp.c                      | 2 +-
 arch/powerpc/platforms/cell/beat.c             | 2 +-
 arch/powerpc/platforms/cell/celleb_scc_pciex.c | 2 +-
 arch/powerpc/platforms/cell/iommu.c            | 3 +--
 arch/powerpc/platforms/cell/pmu.c              | 2 +-
 arch/powerpc/platforms/cell/spu_base.c         | 9 +++------
 arch/powerpc/platforms/powermac/pic.c          | 1 -
 arch/powerpc/platforms/powermac/smp.c          | 4 ++--
 arch/powerpc/platforms/ps3/device-init.c       | 2 +-
 arch/powerpc/sysdev/mpic.c                     | 2 --
 arch/powerpc/sysdev/ppc4xx_soc.c               | 2 +-
 arch/powerpc/sysdev/xics/xics-common.c         | 5 ++---
 14 files changed, 18 insertions(+), 26 deletions(-)

diff --git a/arch/powerpc/include/asm/floppy.h b/arch/powerpc/include/asm/floppy.h
index 24bd34c57e9d..936a904ae78c 100644
--- a/arch/powerpc/include/asm/floppy.h
+++ b/arch/powerpc/include/asm/floppy.h
@@ -108,10 +108,10 @@ static int fd_request_irq(void)
 {
 	if (can_use_virtual_dma)
 		return request_irq(FLOPPY_IRQ, floppy_hardint,
-				   IRQF_DISABLED, "floppy", NULL);
+				   0, "floppy", NULL);
 	else
 		return request_irq(FLOPPY_IRQ, floppy_interrupt,
-				   IRQF_DISABLED, "floppy", NULL);
+				   0, "floppy", NULL);
 }
 
 static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h
index bd6c401c0ee5..c48de98ba94e 100644
--- a/arch/powerpc/include/asm/xics.h
+++ b/arch/powerpc/include/asm/xics.h
@@ -15,8 +15,8 @@
 #define	DEFAULT_PRIORITY	5
 
 /*
- * Mark IPIs as higher priority so we can take them inside interrupts that
- * arent marked IRQF_DISABLED
+ * Mark IPIs as higher priority so we can take them inside interrupts
+ * FIXME: still true now?
  */
 #define IPI_PRIORITY		4
 
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 25ddbfc7dd36..6df70907d60a 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -187,7 +187,7 @@ int smp_request_message_ipi(int virq, int msg)
 		return 1;
 	}
 #endif
-	err = request_irq(virq, smp_ipi_action[msg], IRQF_DISABLED|IRQF_PERCPU,
+	err = request_irq(virq, smp_ipi_action[msg], IRQF_PERCPU,
 			  smp_ipi_name[msg], 0);
 	WARN(err < 0, "unable to request_irq %d for %s (rc %d)\n",
 		virq, smp_ipi_name[msg], err);
diff --git a/arch/powerpc/platforms/cell/beat.c b/arch/powerpc/platforms/cell/beat.c
index 232fc384e855..852592b2b712 100644
--- a/arch/powerpc/platforms/cell/beat.c
+++ b/arch/powerpc/platforms/cell/beat.c
@@ -230,7 +230,7 @@ static int __init beat_register_event(void)
 		}
 		ev->virq = virq;
 
-		rc = request_irq(virq, ev->handler, IRQF_DISABLED,
+		rc = request_irq(virq, ev->handler, 0,
 				      ev->typecode, NULL);
 		if (rc != 0) {
 			printk(KERN_ERR "Beat: failed to request virtual IRQ"
diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
index ae790ac4a589..14be2bd358b8 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
@@ -514,7 +514,7 @@ static __init int celleb_setup_pciex(struct device_node *node,
 	virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
 				     oirq.size);
 	if (request_irq(virq, pciex_handle_internal_irq,
-			IRQF_DISABLED, "pciex", (void *)phb)) {
+			0, "pciex", (void *)phb)) {
 		pr_err("PCIEXC:Failed to request irq\n");
 		goto error;
 	}
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index fc46fcac3921..592c3d51b817 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -412,8 +412,7 @@ static void cell_iommu_enable_hardware(struct cbe_iommu *iommu)
 			IIC_IRQ_IOEX_ATI | (iommu->nid << IIC_IRQ_NODE_SHIFT));
 	BUG_ON(virq == NO_IRQ);
 
-	ret = request_irq(virq, ioc_interrupt, IRQF_DISABLED,
-			iommu->name, iommu);
+	ret = request_irq(virq, ioc_interrupt, 0, iommu->name, iommu);
 	BUG_ON(ret);
 
 	/* set the IOC segment table origin register (and turn on the iommu) */
diff --git a/arch/powerpc/platforms/cell/pmu.c b/arch/powerpc/platforms/cell/pmu.c
index 1acf36010423..59c1a1694104 100644
--- a/arch/powerpc/platforms/cell/pmu.c
+++ b/arch/powerpc/platforms/cell/pmu.c
@@ -392,7 +392,7 @@ static int __init cbe_init_pm_irq(void)
 		}
 
 		rc = request_irq(irq, cbe_pm_irq,
-				 IRQF_DISABLED, "cbe-pmu-0", NULL);
+				 0, "cbe-pmu-0", NULL);
 		if (rc) {
 			printk("ERROR: Request for irq on node %d failed\n",
 			       node);
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 3675da73623f..e94d3ecdd8bb 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -442,8 +442,7 @@ static int spu_request_irqs(struct spu *spu)
 		snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0",
 			 spu->number);
 		ret = request_irq(spu->irqs[0], spu_irq_class_0,
-				  IRQF_DISABLED,
-				  spu->irq_c0, spu);
+				  0, spu->irq_c0, spu);
 		if (ret)
 			goto bail0;
 	}
@@ -451,8 +450,7 @@ static int spu_request_irqs(struct spu *spu)
 		snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1",
 			 spu->number);
 		ret = request_irq(spu->irqs[1], spu_irq_class_1,
-				  IRQF_DISABLED,
-				  spu->irq_c1, spu);
+				  0, spu->irq_c1, spu);
 		if (ret)
 			goto bail1;
 	}
@@ -460,8 +458,7 @@ static int spu_request_irqs(struct spu *spu)
 		snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2",
 			 spu->number);
 		ret = request_irq(spu->irqs[2], spu_irq_class_2,
-				  IRQF_DISABLED,
-				  spu->irq_c2, spu);
+				  0, spu->irq_c2, spu);
 		if (ret)
 			goto bail2;
 	}
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index cb40e921a565..901bfbddc3dd 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -272,7 +272,6 @@ static struct irqaction xmon_action = {
 
 static struct irqaction gatwick_cascade_action = {
 	.handler	= gatwick_action,
-	.flags		= IRQF_DISABLED,
 	.name		= "cascade",
 };
 
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 9a521dc8e485..9b6a820bdd7d 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -200,7 +200,7 @@ static int psurge_secondary_ipi_init(void)
 
 	if (psurge_secondary_virq)
 		rc = request_irq(psurge_secondary_virq, psurge_ipi_intr,
-			IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL);
+			IRQF_PERCPU, "IPI", NULL);
 
 	if (rc)
 		pr_err("Failed to setup secondary cpu IPI\n");
@@ -408,7 +408,7 @@ static int __init smp_psurge_kick_cpu(int nr)
 
 static struct irqaction psurge_irqaction = {
 	.handler = psurge_ipi_intr,
-	.flags = IRQF_DISABLED|IRQF_PERCPU,
+	.flags = IRQF_PERCPU,
 	.name = "primary IPI",
 };
 
diff --git a/arch/powerpc/platforms/ps3/device-init.c b/arch/powerpc/platforms/ps3/device-init.c
index 6c4b5837fc8a..3f175e8aedb4 100644
--- a/arch/powerpc/platforms/ps3/device-init.c
+++ b/arch/powerpc/platforms/ps3/device-init.c
@@ -825,7 +825,7 @@ static int ps3_probe_thread(void *data)
 
 	spin_lock_init(&dev.lock);
 
-	res = request_irq(irq, ps3_notification_interrupt, IRQF_DISABLED,
+	res = request_irq(irq, ps3_notification_interrupt, 0,
 			  "ps3_notification", &dev);
 	if (res) {
 		pr_err("%s:%u: request_irq failed %d\n", __func__, __LINE__,
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 0842c6f8a3e6..8c7e8528e7c4 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -800,8 +800,6 @@ static void mpic_end_ipi(struct irq_data *d)
 	 * IPIs are marked IRQ_PER_CPU. This has the side effect of
 	 * preventing the IRQ_PENDING/IRQ_INPROGRESS logic from
 	 * applying to them. We EOI them late to avoid re-entering.
-	 * We mark IPI's with IRQF_DISABLED as they must run with
-	 * irqs disabled.
 	 */
 	mpic_eoi(mpic);
 }
diff --git a/arch/powerpc/sysdev/ppc4xx_soc.c b/arch/powerpc/sysdev/ppc4xx_soc.c
index d3d6ce3c33b4..0debcc31ad70 100644
--- a/arch/powerpc/sysdev/ppc4xx_soc.c
+++ b/arch/powerpc/sysdev/ppc4xx_soc.c
@@ -115,7 +115,7 @@ static int __init ppc4xx_l2c_probe(void)
 	}
 
 	/* Install error handler */
-	if (request_irq(irq, l2c_error_handler, IRQF_DISABLED, "L2C", 0) < 0) {
+	if (request_irq(irq, l2c_error_handler, 0, "L2C", 0) < 0) {
 		printk(KERN_ERR "Cannot install L2C error handler"
 		       ", cache is not enabled\n");
 		of_node_put(np);
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index 3d93a8ded0f8..63762c672a03 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -134,11 +134,10 @@ static void xics_request_ipi(void)
 	BUG_ON(ipi == NO_IRQ);
 
 	/*
-	 * IPIs are marked IRQF_DISABLED as they must run with irqs
-	 * disabled, and PERCPU.  The handler was set in map.
+	 * IPIs are marked IRQF_PERCPU. The handler was set in map.
 	 */
 	BUG_ON(request_irq(ipi, icp_ops->ipi_action,
-			   IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL));
+			   IRQF_PERCPU, "IPI", NULL));
 }
 
 int __init xics_smp_probe(void)
-- 
GitLab


From 6ea741a13690da9dbbac76175db8e313b0c4b817 Mon Sep 17 00:00:00 2001
From: Yong Zhang <yong.zhang0@gmail.com>
Date: Fri, 21 Oct 2011 23:56:53 +0000
Subject: [PATCH 0177/1594] powerpc/ps3: irq: Remove IRQF_DISABLED

Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).

So now this flag is a NOOP and can be removed.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/ps3/ps3-vuart.c   | 2 +-
 drivers/ps3/ps3stor_lib.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c
index d9fb729535a1..fb7300837fee 100644
--- a/drivers/ps3/ps3-vuart.c
+++ b/drivers/ps3/ps3-vuart.c
@@ -952,7 +952,7 @@ static int ps3_vuart_bus_interrupt_get(void)
 	}
 
 	result = request_irq(vuart_bus_priv.virq, ps3_vuart_irq_handler,
-		IRQF_DISABLED, "vuart", &vuart_bus_priv);
+		0, "vuart", &vuart_bus_priv);
 
 	if (result) {
 		pr_debug("%s:%d: request_irq failed (%d)\n",
diff --git a/drivers/ps3/ps3stor_lib.c b/drivers/ps3/ps3stor_lib.c
index cc328dec946b..8c3f5adf1bc6 100644
--- a/drivers/ps3/ps3stor_lib.c
+++ b/drivers/ps3/ps3stor_lib.c
@@ -167,7 +167,7 @@ int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler)
 		goto fail_close_device;
 	}
 
-	error = request_irq(dev->irq, handler, IRQF_DISABLED,
+	error = request_irq(dev->irq, handler, 0,
 			    dev->sbd.core.driver->name, dev);
 	if (error) {
 		dev_err(&dev->sbd.core, "%s:%u: request_irq failed %d\n",
-- 
GitLab


From 5233e26ebb90242e3691c185ddda02dc83649e7d Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Wed, 12 Oct 2011 08:39:15 +0000
Subject: [PATCH 0178/1594] powerpc/ps3: Fix PS3 repository build warnings

Fix uninitialized variable warnings in build of repository.c

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/ps3/repository.c | 32 ++++++++++++-------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/arch/powerpc/platforms/ps3/repository.c b/arch/powerpc/platforms/ps3/repository.c
index 5e304c292f68..ca40f6afd35d 100644
--- a/arch/powerpc/platforms/ps3/repository.c
+++ b/arch/powerpc/platforms/ps3/repository.c
@@ -184,7 +184,7 @@ int ps3_repository_read_bus_type(unsigned int bus_index,
 	enum ps3_bus_type *bus_type)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_PME,
 		make_first_field("bus", bus_index),
@@ -199,7 +199,7 @@ int ps3_repository_read_bus_num_dev(unsigned int bus_index,
 	unsigned int *num_dev)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_PME,
 		make_first_field("bus", bus_index),
@@ -239,7 +239,7 @@ int ps3_repository_read_dev_type(unsigned int bus_index,
 	unsigned int dev_index, enum ps3_dev_type *dev_type)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_PME,
 		make_first_field("bus", bus_index),
@@ -256,8 +256,8 @@ int ps3_repository_read_dev_intr(unsigned int bus_index,
 	enum ps3_interrupt_type *intr_type, unsigned int *interrupt_id)
 {
 	int result;
-	u64 v1;
-	u64 v2;
+	u64 v1 = 0;
+	u64 v2 = 0;
 
 	result = read_node(PS3_LPAR_ID_PME,
 		make_first_field("bus", bus_index),
@@ -275,7 +275,7 @@ int ps3_repository_read_dev_reg_type(unsigned int bus_index,
 	enum ps3_reg_type *reg_type)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_PME,
 		make_first_field("bus", bus_index),
@@ -615,7 +615,7 @@ int ps3_repository_read_stor_dev_num_regions(unsigned int bus_index,
 	unsigned int dev_index, unsigned int *num_regions)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_PME,
 		make_first_field("bus", bus_index),
@@ -631,7 +631,7 @@ int ps3_repository_read_stor_dev_region_id(unsigned int bus_index,
 	unsigned int *region_id)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_PME,
 	    make_first_field("bus", bus_index),
@@ -786,7 +786,7 @@ int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size, u64 *region_total)
 int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_CURRENT,
 		make_first_field("bi", 0),
@@ -805,7 +805,7 @@ int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved)
 int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_CURRENT,
 		make_first_field("bi", 0),
@@ -827,8 +827,8 @@ int ps3_repository_read_spu_resource_id(unsigned int res_index,
 	enum ps3_spu_resource_type *resource_type, unsigned int *resource_id)
 {
 	int result;
-	u64 v1;
-	u64 v2;
+	u64 v1 = 0;
+	u64 v2 = 0;
 
 	result = read_node(PS3_LPAR_ID_CURRENT,
 		make_first_field("bi", 0),
@@ -854,7 +854,7 @@ static int ps3_repository_read_boot_dat_address(u64 *address)
 int ps3_repository_read_boot_dat_size(unsigned int *size)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_CURRENT,
 		make_first_field("bi", 0),
@@ -869,7 +869,7 @@ int ps3_repository_read_boot_dat_size(unsigned int *size)
 int ps3_repository_read_vuart_av_port(unsigned int *port)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_CURRENT,
 		make_first_field("bi", 0),
@@ -884,7 +884,7 @@ int ps3_repository_read_vuart_av_port(unsigned int *port)
 int ps3_repository_read_vuart_sysmgr_port(unsigned int *port)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_CURRENT,
 		make_first_field("bi", 0),
@@ -919,7 +919,7 @@ int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size)
 int ps3_repository_read_num_be(unsigned int *num_be)
 {
 	int result;
-	u64 v1;
+	u64 v1 = 0;
 
 	result = read_node(PS3_LPAR_ID_PME,
 		make_first_field("ben", 0),
-- 
GitLab


From 9fce85f7ff94f1a877c15ad3d6ffbaed4b5cd1a6 Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Wed, 12 Oct 2011 08:42:13 +0000
Subject: [PATCH 0179/1594] powerpc/ps3: Fix lv1_gpu_attribute hcall

The lv1_gpu_attribute hcall takes three, not five input
arguments.  Adjust the lv1 hcall table and all calls.

Signed-off-by: Geoff Levand <geoff@infradead.org>
CC: Takashi Iwai <tiwai@suse.de>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/lv1call.h | 2 +-
 sound/ppc/snd_ps3.c                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/lv1call.h b/arch/powerpc/include/asm/lv1call.h
index 9cd5fc828a37..f77c708c67a0 100644
--- a/arch/powerpc/include/asm/lv1call.h
+++ b/arch/powerpc/include/asm/lv1call.h
@@ -316,7 +316,7 @@ LV1_CALL(gpu_context_free,                              1, 0, 218 )
 LV1_CALL(gpu_context_iomap,                             5, 0, 221 )
 LV1_CALL(gpu_context_attribute,                         6, 0, 225 )
 LV1_CALL(gpu_context_intr,                              1, 1, 227 )
-LV1_CALL(gpu_attribute,                                 5, 0, 228 )
+LV1_CALL(gpu_attribute,                                 3, 0, 228 )
 LV1_CALL(get_rtc,                                       0, 2, 232 )
 LV1_CALL(set_ppe_periodic_tracer_frequency,             1, 0, 240 )
 LV1_CALL(start_ppe_periodic_tracer,                     5, 0, 241 )
diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
index a3ce1b22620d..1aa52eff526a 100644
--- a/sound/ppc/snd_ps3.c
+++ b/sound/ppc/snd_ps3.c
@@ -876,7 +876,7 @@ static void __devinit snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
 		(0x0fUL << 12) |
 		(PS3_AUDIO_IOID);
 
-	ret = lv1_gpu_attribute(0x100, 0x007, val, 0, 0);
+	ret = lv1_gpu_attribute(0x100, 0x007, val);
 	if (ret)
 		pr_info("%s: gpu_attribute failed %d\n", __func__,
 			ret);
-- 
GitLab


From 5ccf55dd8177295813b68780f0a3c85e47306be1 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 13 Sep 2011 04:15:31 +0000
Subject: [PATCH 0180/1594] powerpc/kvm: Fix build failure with HV KVM and CBE

When running with HV KVM and CBE config options enabled, I get
build failures like the following:

  arch/powerpc/kernel/head_64.o: In function `cbe_system_error_hv':
  (.text+0x1228): undefined reference to `do_kvm_0x1202'
  arch/powerpc/kernel/head_64.o: In function `cbe_maintenance_hv':
  (.text+0x1628): undefined reference to `do_kvm_0x1602'
  arch/powerpc/kernel/head_64.o: In function `cbe_thermal_hv':
  (.text+0x1828): undefined reference to `do_kvm_0x1802'

This is because we jump to a KVM handler when HV is enabled, but we
only generate the handler with PR KVM mode.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/exceptions-64s.S | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index a54d92fec612..cf9c69b9189c 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -267,7 +267,7 @@ vsx_unavailable_pSeries_1:
 
 #ifdef CONFIG_CBE_RAS
 	STD_EXCEPTION_HV(0x1200, 0x1202, cbe_system_error)
-	KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_HV, 0x1202)
+	KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1202)
 #endif /* CONFIG_CBE_RAS */
 
 	STD_EXCEPTION_PSERIES(0x1300, 0x1300, instruction_breakpoint)
@@ -275,7 +275,7 @@ vsx_unavailable_pSeries_1:
 
 #ifdef CONFIG_CBE_RAS
 	STD_EXCEPTION_HV(0x1600, 0x1602, cbe_maintenance)
-	KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_HV, 0x1602)
+	KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1602)
 #endif /* CONFIG_CBE_RAS */
 
 	STD_EXCEPTION_PSERIES(0x1700, 0x1700, altivec_assist)
@@ -283,7 +283,7 @@ vsx_unavailable_pSeries_1:
 
 #ifdef CONFIG_CBE_RAS
 	STD_EXCEPTION_HV(0x1800, 0x1802, cbe_thermal)
-	KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_HV, 0x1802)
+	KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0x1802)
 #endif /* CONFIG_CBE_RAS */
 
 	. = 0x3000
-- 
GitLab


From 9a3f530f39f4490eaa18b02719fb74ce5f4d2d86 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 8 Nov 2011 16:22:01 +1100
Subject: [PATCH 0181/1594] md/raid5: abort any pending parity operations when
 array fails.

When the number of failed devices exceeds the allowed number
we must abort any active parity operations (checks or updates) as they
are no longer meaningful, and can lead to a BUG_ON in
handle_parity_checks6.

This bug was introduce by commit 6c0069c0ae9659e3a91b68eaed06a5c6c37f45c8
in 2.6.29.

Reported-by: Manish Katiyar <mkatiyar@gmail.com>
Tested-by: Manish Katiyar <mkatiyar@gmail.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@kernel.org
---
 drivers/md/raid5.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 472aedfb07cf..318bdae9b56c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3159,10 +3159,14 @@ static void handle_stripe(struct stripe_head *sh)
 	/* check if the array has lost more than max_degraded devices and,
 	 * if so, some requests might need to be failed.
 	 */
-	if (s.failed > conf->max_degraded && s.to_read+s.to_write+s.written)
-		handle_failed_stripe(conf, sh, &s, disks, &s.return_bi);
-	if (s.failed > conf->max_degraded && s.syncing)
-		handle_failed_sync(conf, sh, &s);
+	if (s.failed > conf->max_degraded) {
+		sh->check_state = 0;
+		sh->reconstruct_state = 0;
+		if (s.to_read+s.to_write+s.written)
+			handle_failed_stripe(conf, sh, &s, disks, &s.return_bi);
+		if (s.syncing)
+			handle_failed_sync(conf, sh, &s);
+	}
 
 	/*
 	 * might be able to return some write requests if the parity blocks
-- 
GitLab


From 257a4b42af7586fab4eaec7f04e6896b86551843 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Tue, 8 Nov 2011 16:22:06 +1100
Subject: [PATCH 0182/1594] md/raid5: STRIPE_ACTIVE has lock semantics, add
 barriers

All updates that occur under STRIPE_ACTIVE should be globally visible
when STRIPE_ACTIVE clears.  test_and_set_bit() implies a barrier, but
clear_bit() does not.

This is suitable for 3.1-stable.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@kernel.org
---
 drivers/md/raid5.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 318bdae9b56c..297e26092178 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3110,7 +3110,7 @@ static void handle_stripe(struct stripe_head *sh)
 	struct r5dev *pdev, *qdev;
 
 	clear_bit(STRIPE_HANDLE, &sh->state);
-	if (test_and_set_bit(STRIPE_ACTIVE, &sh->state)) {
+	if (test_and_set_bit_lock(STRIPE_ACTIVE, &sh->state)) {
 		/* already being handled, ensure it gets handled
 		 * again when current action finishes */
 		set_bit(STRIPE_HANDLE, &sh->state);
@@ -3375,7 +3375,7 @@ finish:
 
 	return_io(s.return_bi);
 
-	clear_bit(STRIPE_ACTIVE, &sh->state);
+	clear_bit_unlock(STRIPE_ACTIVE, &sh->state);
 }
 
 static void raid5_activate_delayed(struct r5conf *conf)
-- 
GitLab


From 5a9a51799b23142d2fc3ef94894d3b5ac00d05a5 Mon Sep 17 00:00:00 2001
From: "Denis V. Lunev" <den@openvz.org>
Date: Mon, 7 Nov 2011 20:33:25 +0400
Subject: [PATCH 0183/1594] ALSA: intel8x0: Improve comments for VM
 optimization

The recently merged 228cf79376f1 looks a bit hackish while it is not.
The change was quite simple. In a virtualized environment the
patch unhacks old kludge introduced for old broken AC97 hardware.

This patch adds proper comment to "unkludge" code.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Konstantin Ozerkov <kozerkov@parallels.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/intel8x0.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 29e312597f20..c3b9bd0e188e 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -1077,6 +1077,13 @@ static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *subs
 		}
 		if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
 			continue;
+
+		/* IO read operation is very expensive inside virtual machine
+		 * as it is emulated. The probability that subsequent PICB read
+		 * will return different result is high enough to loop till
+		 * timeout here.
+		 * Same CIV is strict enough condition to be sure that PICB
+		 * is valid inside VM on emulated card. */
 		if (chip->inside_vm)
 			break;
 		if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
-- 
GitLab


From dccc1810f41b42773a2e359907f05a7fd10910bd Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 8 Nov 2011 07:52:19 +0100
Subject: [PATCH 0184/1594] ALSA: hda - Mute unused capture sources for Realtek
 codecs

When a Realtek codec has a matrix-style capture-source selection, we
need to scan all connections instead of only imux items.  Otherwise some
input might be kept unmuted.  Although the corresponding input must be
dead so there should be no input from it, it's still safer to mute the
route completely.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a24e068a021b..308bb575bc06 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -284,7 +284,7 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
 	struct alc_spec *spec = codec->spec;
 	const struct hda_input_mux *imux;
 	unsigned int mux_idx;
-	int i, type;
+	int i, type, num_conns;
 	hda_nid_t nid;
 
 	mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
@@ -307,16 +307,17 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
 		spec->capsrc_nids[adc_idx] : spec->adc_nids[adc_idx];
 
 	/* no selection? */
-	if (snd_hda_get_conn_list(codec, nid, NULL) <= 1)
+	num_conns = snd_hda_get_conn_list(codec, nid, NULL);
+	if (num_conns <= 1)
 		return 1;
 
 	type = get_wcaps_type(get_wcaps(codec, nid));
 	if (type == AC_WID_AUD_MIX) {
 		/* Matrix-mixer style (e.g. ALC882) */
-		for (i = 0; i < imux->num_items; i++) {
-			unsigned int v = (i == idx) ? 0 : HDA_AMP_MUTE;
-			snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT,
-						 imux->items[i].index,
+		int active = imux->items[idx].index;
+		for (i = 0; i < num_conns; i++) {
+			unsigned int v = (i == active) ? 0 : HDA_AMP_MUTE;
+			snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT, i,
 						 HDA_AMP_MUTE, v);
 		}
 	} else {
-- 
GitLab


From 816af3bb5022c1468b3d826c645ddc2cac45bc97 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 3 Nov 2011 14:45:48 +0800
Subject: [PATCH 0185/1594] hwspinlock: Don't return a value in __hwspin_unlock

Fix below build warning:

  CC      arch/arm/mach-omap2/hwspinlock.o
In file included from arch/arm/mach-omap2/hwspinlock.c:22:
include/linux/hwspinlock.h: In function '__hwspin_unlock':
include/linux/hwspinlock.h:121: warning: 'return' with a value, in function returning void

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
---
 include/linux/hwspinlock.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/hwspinlock.h b/include/linux/hwspinlock.h
index 08a2fee40659..aad6bd4b3efd 100644
--- a/include/linux/hwspinlock.h
+++ b/include/linux/hwspinlock.h
@@ -118,7 +118,6 @@ int __hwspin_trylock(struct hwspinlock *hwlock, int mode, unsigned long *flags)
 static inline
 void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags)
 {
-	return 0;
 }
 
 static inline int hwspin_lock_get_id(struct hwspinlock *hwlock)
-- 
GitLab


From fdcb23634c9b6649bb02c681033d4973491b0e35 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sun, 6 Nov 2011 21:14:16 +0800
Subject: [PATCH 0186/1594] hwspinlock/u8500: fix build error due to undefined
 label

Fix below build error:

  CC      drivers/hwspinlock/u8500_hsem.o
drivers/hwspinlock/u8500_hsem.c: In function 'u8500_hsem_probe':
drivers/hwspinlock/u8500_hsem.c:113: error: label 'free_state' used but not defined

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
---
 drivers/hwspinlock/u8500_hsem.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/hwspinlock/u8500_hsem.c b/drivers/hwspinlock/u8500_hsem.c
index 143461a95ae4..a120f14814f9 100644
--- a/drivers/hwspinlock/u8500_hsem.c
+++ b/drivers/hwspinlock/u8500_hsem.c
@@ -108,10 +108,8 @@ static int __devinit u8500_hsem_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	io_base = ioremap(res->start, resource_size(res));
-	if (!io_base) {
-		ret = -ENOMEM;
-		goto free_state;
-	}
+	if (!io_base)
+		return -ENOMEM;
 
 	/* make sure protocol 1 is selected */
 	val = readl(io_base + HSEM_CTRL_REG);
-- 
GitLab


From 1258ea596fe0422272525d9ec8a25b703de4623f Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:09 -0700
Subject: [PATCH 0187/1594] ARM: OMAP2xxx: HWMOD: Fix DSS reset

DSS needs all DSS clocks to be enabled to be able to finish reset
properly. Before v3.1-rc1 the omapdss driver was managing clocks and
resets correctly. However, when omapdss started using runtime PM at
v3.1-rc1, the responsibility for the reset moved to HWMOD framework.

HWMOD framework does not currently enable all the DSS clocks when
resetting the DSS hardware. This hasn't caused any problems so far, but
we may just have been lucky.

This patch sets HWMOD_CONTROL_OPT_CLKS_IN_RESET for dss_core in OMAP2xxx
HWMOD data, fixing the issue.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[paul@pwsan.com: merged duplicate .flags fields]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod_2420_data.c | 6 +++++-
 arch/arm/mach-omap2/omap_hwmod_2430_data.c | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 6d7206213525..5160e3509d5d 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -875,6 +875,10 @@ static struct omap_hwmod_ocp_if *omap2420_dss_slaves[] = {
 };
 
 static struct omap_hwmod_opt_clk dss_opt_clks[] = {
+	/*
+	 * The DSS HW needs all DSS clocks enabled during reset. The dss_core
+	 * driver does not use these clocks.
+	 */
 	{ .role = "tv_clk", .clk = "dss_54m_fck" },
 	{ .role = "sys_clk", .clk = "dss2_fck" },
 };
@@ -899,7 +903,7 @@ static struct omap_hwmod omap2420_dss_core_hwmod = {
 	.slaves_cnt	= ARRAY_SIZE(omap2420_dss_slaves),
 	.masters	= omap2420_dss_masters,
 	.masters_cnt	= ARRAY_SIZE(omap2420_dss_masters),
-	.flags		= HWMOD_NO_IDLEST,
+	.flags		= HWMOD_NO_IDLEST | HWMOD_CONTROL_OPT_CLKS_IN_RESET,
 };
 
 /* l4_core -> dss_dispc */
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index a2580d01c3ff..d02a44ea7f9b 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -942,6 +942,10 @@ static struct omap_hwmod_ocp_if *omap2430_dss_slaves[] = {
 };
 
 static struct omap_hwmod_opt_clk dss_opt_clks[] = {
+	/*
+	 * The DSS HW needs all DSS clocks enabled during reset. The dss_core
+	 * driver does not use these clocks.
+	 */
 	{ .role = "tv_clk", .clk = "dss_54m_fck" },
 	{ .role = "sys_clk", .clk = "dss2_fck" },
 };
@@ -966,7 +970,7 @@ static struct omap_hwmod omap2430_dss_core_hwmod = {
 	.slaves_cnt	= ARRAY_SIZE(omap2430_dss_slaves),
 	.masters	= omap2430_dss_masters,
 	.masters_cnt	= ARRAY_SIZE(omap2430_dss_masters),
-	.flags		= HWMOD_NO_IDLEST,
+	.flags		= HWMOD_NO_IDLEST | HWMOD_CONTROL_OPT_CLKS_IN_RESET,
 };
 
 /* l4_core -> dss_dispc */
-- 
GitLab


From b8ac10d8b75843c9ddd6aadf70a0cdf8aa783659 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:09 -0700
Subject: [PATCH 0188/1594] ARM: OMAP2xxx: HWMOD: fix DSS clock data

The OMAP2xxx HWMOD data currently contains two errors with DSS clocks:

- dss_rfbi is missing ick opt-clock, which is needed for RFBI to
  calculate timings

- dss_venc's interface and main clocks are wrong, causing VENC to fail
  to start

These problems were temporarily fixed with a DSS patch
9ede365aa6f74428a1f69c21ca1cf21213167576 ("HACK: OMAP: DSS2: clk hack
for OMAP2/3"), which can be reverted after this patch (and the similar
patches for other OMAPs).

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod_2420_data.c | 10 ++++++++--
 arch/arm/mach-omap2/omap_hwmod_2430_data.c | 10 ++++++++--
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 5160e3509d5d..74037a5807af 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -965,6 +965,10 @@ static struct omap_hwmod_ocp_if *omap2420_dss_rfbi_slaves[] = {
 	&omap2420_l4_core__dss_rfbi,
 };
 
+static struct omap_hwmod_opt_clk dss_rfbi_opt_clks[] = {
+	{ .role = "ick", .clk = "dss_ick" },
+};
+
 static struct omap_hwmod omap2420_dss_rfbi_hwmod = {
 	.name		= "dss_rfbi",
 	.class		= &omap2_rfbi_hwmod_class,
@@ -976,6 +980,8 @@ static struct omap_hwmod omap2420_dss_rfbi_hwmod = {
 			.module_offs = CORE_MOD,
 		},
 	},
+	.opt_clks	= dss_rfbi_opt_clks,
+	.opt_clks_cnt	= ARRAY_SIZE(dss_rfbi_opt_clks),
 	.slaves		= omap2420_dss_rfbi_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap2420_dss_rfbi_slaves),
 	.flags		= HWMOD_NO_IDLEST,
@@ -985,7 +991,7 @@ static struct omap_hwmod omap2420_dss_rfbi_hwmod = {
 static struct omap_hwmod_ocp_if omap2420_l4_core__dss_venc = {
 	.master		= &omap2420_l4_core_hwmod,
 	.slave		= &omap2420_dss_venc_hwmod,
-	.clk		= "dss_54m_fck",
+	.clk		= "dss_ick",
 	.addr		= omap2_dss_venc_addrs,
 	.fw = {
 		.omap2 = {
@@ -1005,7 +1011,7 @@ static struct omap_hwmod_ocp_if *omap2420_dss_venc_slaves[] = {
 static struct omap_hwmod omap2420_dss_venc_hwmod = {
 	.name		= "dss_venc",
 	.class		= &omap2_venc_hwmod_class,
-	.main_clk	= "dss1_fck",
+	.main_clk	= "dss_54m_fck",
 	.prcm		= {
 		.omap2 = {
 			.prcm_reg_id = 1,
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index d02a44ea7f9b..6f0365388dfc 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -1020,6 +1020,10 @@ static struct omap_hwmod_ocp_if *omap2430_dss_rfbi_slaves[] = {
 	&omap2430_l4_core__dss_rfbi,
 };
 
+static struct omap_hwmod_opt_clk dss_rfbi_opt_clks[] = {
+	{ .role = "ick", .clk = "dss_ick" },
+};
+
 static struct omap_hwmod omap2430_dss_rfbi_hwmod = {
 	.name		= "dss_rfbi",
 	.class		= &omap2_rfbi_hwmod_class,
@@ -1031,6 +1035,8 @@ static struct omap_hwmod omap2430_dss_rfbi_hwmod = {
 			.module_offs = CORE_MOD,
 		},
 	},
+	.opt_clks	= dss_rfbi_opt_clks,
+	.opt_clks_cnt	= ARRAY_SIZE(dss_rfbi_opt_clks),
 	.slaves		= omap2430_dss_rfbi_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap2430_dss_rfbi_slaves),
 	.flags		= HWMOD_NO_IDLEST,
@@ -1040,7 +1046,7 @@ static struct omap_hwmod omap2430_dss_rfbi_hwmod = {
 static struct omap_hwmod_ocp_if omap2430_l4_core__dss_venc = {
 	.master		= &omap2430_l4_core_hwmod,
 	.slave		= &omap2430_dss_venc_hwmod,
-	.clk		= "dss_54m_fck",
+	.clk		= "dss_ick",
 	.addr		= omap2_dss_venc_addrs,
 	.flags		= OCPIF_SWSUP_IDLE,
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
@@ -1054,7 +1060,7 @@ static struct omap_hwmod_ocp_if *omap2430_dss_venc_slaves[] = {
 static struct omap_hwmod omap2430_dss_venc_hwmod = {
 	.name		= "dss_venc",
 	.class		= &omap2_venc_hwmod_class,
-	.main_clk	= "dss1_fck",
+	.main_clk	= "dss_54m_fck",
 	.prcm		= {
 		.omap2 = {
 			.prcm_reg_id = 1,
-- 
GitLab


From 8c3105ca1a42783b13930fbd375484ec8c72e608 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:10 -0700
Subject: [PATCH 0189/1594] ARM: OMAP3: HWMOD: Fix DSS reset

DSS needs all DSS clocks to be enabled to be able to finish reset
properly. Before v3.1-rc1 the omapdss driver was managing clocks and
resets correctly. However, when omapdss started using runtime PM at
v3.1-rc1, the responsibility for the reset moved to HWMOD framework.

HWMOD framework does not currently enable all the DSS clocks when
resetting the DSS hardware. This hasn't caused any problems so far, but
we may just have been lucky.

dss_core's opt-clocks is also missing dss_96m_fck, which is a DSS clock
present only on OMAP3430, and thus required on OMAP3430 to finish the
reset.

This patch sets HWMOD_CONTROL_OPT_CLKS_IN_RESET and adds the dss_96m_fck
opt-clock for dss_core in OMAP3 HWMOD data, fixing the issue.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[paul@pwsan.com: merged duplicate .flags fields]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index bc9035ec87fc..45ccd4f07cff 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1369,9 +1369,14 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_slaves[] = {
 };
 
 static struct omap_hwmod_opt_clk dss_opt_clks[] = {
-	{ .role = "tv_clk", .clk = "dss_tv_fck" },
-	{ .role = "video_clk", .clk = "dss_96m_fck" },
+	/*
+	 * The DSS HW needs all DSS clocks enabled during reset. The dss_core
+	 * driver does not use these clocks.
+	 */
 	{ .role = "sys_clk", .clk = "dss2_alwon_fck" },
+	{ .role = "tv_clk", .clk = "dss_tv_fck" },
+	/* required only on OMAP3430 */
+	{ .role = "tv_dac_clk", .clk = "dss_96m_fck" },
 };
 
 static struct omap_hwmod omap3430es1_dss_core_hwmod = {
@@ -1394,11 +1399,12 @@ static struct omap_hwmod omap3430es1_dss_core_hwmod = {
 	.slaves_cnt	= ARRAY_SIZE(omap3430es1_dss_slaves),
 	.masters	= omap3xxx_dss_masters,
 	.masters_cnt	= ARRAY_SIZE(omap3xxx_dss_masters),
-	.flags		= HWMOD_NO_IDLEST,
+	.flags		= HWMOD_NO_IDLEST | HWMOD_CONTROL_OPT_CLKS_IN_RESET,
 };
 
 static struct omap_hwmod omap3xxx_dss_core_hwmod = {
 	.name		= "dss_core",
+	.flags		= HWMOD_CONTROL_OPT_CLKS_IN_RESET,
 	.class		= &omap2_dss_hwmod_class,
 	.main_clk	= "dss1_alwon_fck", /* instead of dss_fck */
 	.sdma_reqs	= omap3xxx_dss_sdma_chs,
-- 
GitLab


From 6c3d7e34d68ffae888d33bf364f447e0b415591f Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:10 -0700
Subject: [PATCH 0190/1594] ARM: OMAP3: HWMOD: fix DSS clock data

The OMAP3 HWMOD data currently contains these errors with DSS clocks:

- dss_rfbi is missing ick opt-clock, which is needed for RFBI to
  calculate timings

- dss_dsi is missing ick and sys_clk

- dss_venc is missing dss_96m_fck opt-clock, which is required on
  OMAP3430

- dss_venc's interface and main clocks are wrong, causing VENC to fail
  to start

These problems were temporarily fixed with a DSS patch
9ede365aa6f74428a1f69c21ca1cf21213167576 ("HACK: OMAP: DSS2: clk hack
for OMAP2/3"), which can be reverted after this patch (and the similar
patches for other OMAPs).

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 24 ++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 45ccd4f07cff..4aaf0caaf3cc 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1492,6 +1492,7 @@ static struct omap_hwmod_addr_space omap3xxx_dss_dsi1_addrs[] = {
 static struct omap_hwmod_ocp_if omap3xxx_l4_core__dss_dsi1 = {
 	.master		= &omap3xxx_l4_core_hwmod,
 	.slave		= &omap3xxx_dss_dsi1_hwmod,
+	.clk		= "dss_ick",
 	.addr		= omap3xxx_dss_dsi1_addrs,
 	.fw = {
 		.omap2 = {
@@ -1508,6 +1509,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_dsi1_slaves[] = {
 	&omap3xxx_l4_core__dss_dsi1,
 };
 
+static struct omap_hwmod_opt_clk dss_dsi1_opt_clks[] = {
+	{ .role = "sys_clk", .clk = "dss2_alwon_fck" },
+};
+
 static struct omap_hwmod omap3xxx_dss_dsi1_hwmod = {
 	.name		= "dss_dsi1",
 	.class		= &omap3xxx_dsi_hwmod_class,
@@ -1520,6 +1525,8 @@ static struct omap_hwmod omap3xxx_dss_dsi1_hwmod = {
 			.module_offs = OMAP3430_DSS_MOD,
 		},
 	},
+	.opt_clks	= dss_dsi1_opt_clks,
+	.opt_clks_cnt	= ARRAY_SIZE(dss_dsi1_opt_clks),
 	.slaves		= omap3xxx_dss_dsi1_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_dss_dsi1_slaves),
 	.flags		= HWMOD_NO_IDLEST,
@@ -1546,6 +1553,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_rfbi_slaves[] = {
 	&omap3xxx_l4_core__dss_rfbi,
 };
 
+static struct omap_hwmod_opt_clk dss_rfbi_opt_clks[] = {
+	{ .role = "ick", .clk = "dss_ick" },
+};
+
 static struct omap_hwmod omap3xxx_dss_rfbi_hwmod = {
 	.name		= "dss_rfbi",
 	.class		= &omap2_rfbi_hwmod_class,
@@ -1557,6 +1568,8 @@ static struct omap_hwmod omap3xxx_dss_rfbi_hwmod = {
 			.module_offs = OMAP3430_DSS_MOD,
 		},
 	},
+	.opt_clks	= dss_rfbi_opt_clks,
+	.opt_clks_cnt	= ARRAY_SIZE(dss_rfbi_opt_clks),
 	.slaves		= omap3xxx_dss_rfbi_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_dss_rfbi_slaves),
 	.flags		= HWMOD_NO_IDLEST,
@@ -1566,7 +1579,7 @@ static struct omap_hwmod omap3xxx_dss_rfbi_hwmod = {
 static struct omap_hwmod_ocp_if omap3xxx_l4_core__dss_venc = {
 	.master		= &omap3xxx_l4_core_hwmod,
 	.slave		= &omap3xxx_dss_venc_hwmod,
-	.clk		= "dss_tv_fck",
+	.clk		= "dss_ick",
 	.addr		= omap2_dss_venc_addrs,
 	.fw = {
 		.omap2 = {
@@ -1584,10 +1597,15 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_venc_slaves[] = {
 	&omap3xxx_l4_core__dss_venc,
 };
 
+static struct omap_hwmod_opt_clk dss_venc_opt_clks[] = {
+	/* required only on OMAP3430 */
+	{ .role = "tv_dac_clk", .clk = "dss_96m_fck" },
+};
+
 static struct omap_hwmod omap3xxx_dss_venc_hwmod = {
 	.name		= "dss_venc",
 	.class		= &omap2_venc_hwmod_class,
-	.main_clk	= "dss1_alwon_fck",
+	.main_clk	= "dss_tv_fck",
 	.prcm		= {
 		.omap2 = {
 			.prcm_reg_id = 1,
@@ -1595,6 +1613,8 @@ static struct omap_hwmod omap3xxx_dss_venc_hwmod = {
 			.module_offs = OMAP3430_DSS_MOD,
 		},
 	},
+	.opt_clks	= dss_venc_opt_clks,
+	.opt_clks_cnt	= ARRAY_SIZE(dss_venc_opt_clks),
 	.slaves		= omap3xxx_dss_venc_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_dss_venc_slaves),
 	.flags		= HWMOD_NO_IDLEST,
-- 
GitLab


From 4247878efca76143aa015ed1142652056052abb8 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:11 -0700
Subject: [PATCH 0191/1594] ARM: OMAP4: HWMOD: remove extra clocks

Remove the dss_dss_clk from dss_core's opt-clocks. dss_dss_clk already
defined as the dss main_clk, and thus is not needed as an opt-clock.

Remove opt-clocks for dss_dispc, as dispc only uses the main_clk.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 7695e5d43316..3b9f2d9f1471 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -1240,7 +1240,6 @@ static struct omap_hwmod_ocp_if *omap44xx_dss_slaves[] = {
 static struct omap_hwmod_opt_clk dss_opt_clks[] = {
 	{ .role = "sys_clk", .clk = "dss_sys_clk" },
 	{ .role = "tv_clk", .clk = "dss_tv_clk" },
-	{ .role = "dss_clk", .clk = "dss_dss_clk" },
 	{ .role = "video_clk", .clk = "dss_48mhz_clk" },
 };
 
@@ -1340,12 +1339,6 @@ static struct omap_hwmod_ocp_if *omap44xx_dss_dispc_slaves[] = {
 	&omap44xx_l4_per__dss_dispc,
 };
 
-static struct omap_hwmod_opt_clk dss_dispc_opt_clks[] = {
-	{ .role = "sys_clk", .clk = "dss_sys_clk" },
-	{ .role = "tv_clk", .clk = "dss_tv_clk" },
-	{ .role = "hdmi_clk", .clk = "dss_48mhz_clk" },
-};
-
 static struct omap_hwmod omap44xx_dss_dispc_hwmod = {
 	.name		= "dss_dispc",
 	.class		= &omap44xx_dispc_hwmod_class,
@@ -1359,8 +1352,6 @@ static struct omap_hwmod omap44xx_dss_dispc_hwmod = {
 			.context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET,
 		},
 	},
-	.opt_clks	= dss_dispc_opt_clks,
-	.opt_clks_cnt	= ARRAY_SIZE(dss_dispc_opt_clks),
 	.slaves		= omap44xx_dss_dispc_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap44xx_dss_dispc_slaves),
 };
-- 
GitLab


From 37ad085527860397438f27c81a2cb13272378458 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:11 -0700
Subject: [PATCH 0192/1594] ARM: OMAP4: HWMOD: Add
 HWMOD_CONTROL_OPT_CLKS_IN_RESET for dss_core

DSS needs all DSS clocks to be enabled to be able to finish reset
properly. Before v3.1-rc1 the omapdss driver was managing clocks and
resets correctly. However, when omapdss started using runtime PM at
v3.1-rc1, the responsibility for the reset moved to HWMOD framework.

HWMOD framework does not currently enable all the DSS clocks when
resetting the DSS hardware. This causes the HWMOD frameworks boot-time
reset to fail, possibly leaving the DSS hardware in undefined state.

This patch sets HWMOD_CONTROL_OPT_CLKS_IN_RESET for dss_core. The flag
is actually not used on OMAP4, because dss_core hardware does not have
soft-reset functionality and thus the HWMOD framework never resets nor
waits for the reset to finish.

However, while the flag is not strictly needed currently, I think it
represents the HW correctly: all the DSS clocks should be enabled after
power-on to allow DSS hardware to finish its reset.

A custom reset function will be added in the following patches which
manages this correctly for OMAP4.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 3b9f2d9f1471..b82720abf210 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -1245,6 +1245,7 @@ static struct omap_hwmod_opt_clk dss_opt_clks[] = {
 
 static struct omap_hwmod omap44xx_dss_hwmod = {
 	.name		= "dss_core",
+	.flags		= HWMOD_CONTROL_OPT_CLKS_IN_RESET,
 	.class		= &omap44xx_dss_hwmod_class,
 	.clkdm_name	= "l3_dss_clkdm",
 	.main_clk	= "dss_dss_clk",
-- 
GitLab


From 4d0698d98f501b86d3bef38c46a54a702e0469a0 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:12 -0700
Subject: [PATCH 0193/1594] ARM: OMAP4: HWMOD: fix DSS clock data

The OMAP4 HWMOD data currently contains errors with DSS clocks:

dss_hdmi and dss_venc have their main_clks wrong. The clocks should be
dss_48mhz_clk and dss_tv_clk, respectively.

These problems were temporarily fixed with the DSS patches
9ede365aa6f74428a1f69c21ca1cf21213167576 ("HACK: OMAP: DSS2: clk hack
for OMAP2/3"), and df5d3ed23cf73ee0763a8963003bda9b69d9620f ("OMAP:
DSS2: HDMI: fix hdmi clock name"), which can be reverted after this
patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index b82720abf210..cadf0bb2d3b7 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -1240,7 +1240,7 @@ static struct omap_hwmod_ocp_if *omap44xx_dss_slaves[] = {
 static struct omap_hwmod_opt_clk dss_opt_clks[] = {
 	{ .role = "sys_clk", .clk = "dss_sys_clk" },
 	{ .role = "tv_clk", .clk = "dss_tv_clk" },
-	{ .role = "video_clk", .clk = "dss_48mhz_clk" },
+	{ .role = "hdmi_clk", .clk = "dss_48mhz_clk" },
 };
 
 static struct omap_hwmod omap44xx_dss_hwmod = {
@@ -1616,7 +1616,7 @@ static struct omap_hwmod omap44xx_dss_hdmi_hwmod = {
 	.clkdm_name	= "l3_dss_clkdm",
 	.mpu_irqs	= omap44xx_dss_hdmi_irqs,
 	.sdma_reqs	= omap44xx_dss_hdmi_sdma_reqs,
-	.main_clk	= "dss_dss_clk",
+	.main_clk	= "dss_48mhz_clk",
 	.prcm = {
 		.omap4 = {
 			.clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
@@ -1777,7 +1777,7 @@ static struct omap_hwmod omap44xx_dss_venc_hwmod = {
 	.name		= "dss_venc",
 	.class		= &omap44xx_venc_hwmod_class,
 	.clkdm_name	= "l3_dss_clkdm",
-	.main_clk	= "dss_dss_clk",
+	.main_clk	= "dss_tv_clk",
 	.prcm = {
 		.omap4 = {
 			.clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
-- 
GitLab


From 3ce32676bb355420ceeda57b73dd84df0ff5ad6f Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:12 -0700
Subject: [PATCH 0194/1594] ARM: OMAP2/3: HWMOD: Add SYSS_HAS_RESET_STATUS for
 dss

OMAP2/3 dss_core has a reset status flag in sysstatus register. Add
SYSS_HAS_RESET_STATUS flag to HWMOD data so it can be used.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
index c451729d289a..d78c1324ae59 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
@@ -43,7 +43,8 @@ static struct omap_hwmod_class_sysconfig omap2_dss_sysc = {
 	.rev_offs	= 0x0000,
 	.sysc_offs	= 0x0010,
 	.syss_offs	= 0x0014,
-	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+			   SYSS_HAS_RESET_STATUS),
 	.sysc_fields	= &omap_hwmod_sysc_type1,
 };
 
-- 
GitLab


From 13662dc5b177d68885695ef513dd4ae0e4d2a099 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 03:16:13 -0700
Subject: [PATCH 0195/1594] ARM: OMAP: HWMOD: Unify DSS resets for OMAPs

This patch adds a custom DSS reset function used on OMAPs from OMAP2
forward.

The function doesn't actually do a reset, it only waits for the reset to
complete. The reason for this is that on OMAP4 there is no possibility
to do a SW reset, and on OMAP2/3 doing a SW reset for dss_core resets
all the other DSS modules also, thus breaking the HWMOD model where
every DSS module is handled independently.

This fixes the problem with DSS reset on OMAP4, caused by the fact that
because there's no SW reset for dss_core on OMAP4, the HWMOD framework
doesn't try to reset dss_core and thus the DSS clocks were never enabled
at the same time. This causes causes the HWMOD reset to fail for
dss_dispc and dss_rfbi.

The common reset function will also allow us to fix another problem in
the future: before doing a reset we need to disable DSS outputs, which
are in some cases enabled by the bootloader, as otherwise DSS HW seems
to get more or less stuck, requiring a power reset to recover.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[paul@pwsan.com: modified to build arch/arm/mach-omap2/display.o
 unconditionally to avoid an error when !CONFIG_OMAP2_DSS]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/Makefile                  |  5 +--
 arch/arm/mach-omap2/display.c                 | 35 +++++++++++++++++++
 .../omap_hwmod_2xxx_3xxx_ipblock_data.c       |  2 ++
 arch/arm/mach-omap2/omap_hwmod_44xx_data.c    |  2 ++
 arch/arm/plat-omap/include/plat/common.h      |  3 ++
 include/video/omapdss.h                       |  7 ----
 6 files changed, 43 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 69ab1c069134..b009f17dee56 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -4,7 +4,7 @@
 
 # Common support
 obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \
-	 common.o gpio.o dma.o wd_timer.o
+	 common.o gpio.o dma.o wd_timer.o display.o
 
 omap-2-3-common				= irq.o sdrc.o
 hwmod-common				= omap_hwmod.o \
@@ -264,7 +264,4 @@ smsc911x-$(CONFIG_SMSC911X)		:= gpmc-smsc911x.o
 obj-y					+= $(smsc911x-m) $(smsc911x-y)
 obj-$(CONFIG_ARCH_OMAP4)		+= hwspinlock.o
 
-disp-$(CONFIG_OMAP2_DSS)		:= display.o
-obj-y					+= $(disp-m) $(disp-y)
-
 obj-y					+= common-board-devices.o twl-common.o
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index adb2756e242f..941b5459707f 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -27,6 +27,7 @@
 #include <plat/omap_hwmod.h>
 #include <plat/omap_device.h>
 #include <plat/omap-pm.h>
+#include <plat/common.h>
 
 #include "control.h"
 
@@ -172,3 +173,37 @@ int __init omap_display_init(struct omap_dss_board_info *board_data)
 
 	return r;
 }
+
+#define MAX_MODULE_SOFTRESET_WAIT	10000
+int omap_dss_reset(struct omap_hwmod *oh)
+{
+	struct omap_hwmod_opt_clk *oc;
+	int c = 0;
+	int i, r;
+
+	if (!(oh->class->sysc->sysc_flags & SYSS_HAS_RESET_STATUS)) {
+		pr_err("dss_core: hwmod data doesn't contain reset data\n");
+		return -EINVAL;
+	}
+
+	for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
+		if (oc->_clk)
+			clk_enable(oc->_clk);
+
+	omap_test_timeout((omap_hwmod_read(oh, oh->class->sysc->syss_offs)
+				& SYSS_RESETDONE_MASK),
+			MAX_MODULE_SOFTRESET_WAIT, c);
+
+	if (c == MAX_MODULE_SOFTRESET_WAIT)
+		pr_warning("dss_core: waiting for reset to finish failed\n");
+	else
+		pr_debug("dss_core: softreset done\n");
+
+	for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
+		if (oc->_clk)
+			clk_disable(oc->_clk);
+
+	r = (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT : 0;
+
+	return r;
+}
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
index d78c1324ae59..c11273da5dcc 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
@@ -11,6 +11,7 @@
 #include <plat/omap_hwmod.h>
 #include <plat/serial.h>
 #include <plat/dma.h>
+#include <plat/common.h>
 
 #include <mach/irqs.h>
 
@@ -51,6 +52,7 @@ static struct omap_hwmod_class_sysconfig omap2_dss_sysc = {
 struct omap_hwmod_class omap2_dss_hwmod_class = {
 	.name	= "dss",
 	.sysc	= &omap2_dss_sysc,
+	.reset	= omap_dss_reset,
 };
 
 /*
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index cadf0bb2d3b7..3b04d63316f5 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -30,6 +30,7 @@
 #include <plat/mmc.h>
 #include <plat/i2c.h>
 #include <plat/dmtimer.h>
+#include <plat/common.h>
 
 #include "omap_hwmod_common_data.h"
 
@@ -1187,6 +1188,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_dss_sysc = {
 static struct omap_hwmod_class omap44xx_dss_hwmod_class = {
 	.name	= "dss",
 	.sysc	= &omap44xx_dss_sysc,
+	.reset	= omap_dss_reset,
 };
 
 /* dss */
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index c50df4814f6f..3ff3e36580f2 100644
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -30,6 +30,7 @@
 #include <linux/delay.h>
 
 #include <plat/i2c.h>
+#include <plat/omap_hwmod.h>
 
 struct sys_timer;
 
@@ -55,6 +56,8 @@ void am35xx_init_early(void);
 void ti816x_init_early(void);
 void omap4430_init_early(void);
 
+extern int omap_dss_reset(struct omap_hwmod *);
+
 void omap_sram_init(void);
 
 /*
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index b66ebb2032c6..378c7ed6760b 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -307,15 +307,8 @@ struct omap_dss_board_info {
 	void (*dsi_disable_pads)(int dsi_id, unsigned lane_mask);
 };
 
-#if defined(CONFIG_OMAP2_DSS_MODULE) || defined(CONFIG_OMAP2_DSS)
 /* Init with the board info */
 extern int omap_display_init(struct omap_dss_board_info *board_data);
-#else
-static inline int omap_display_init(struct omap_dss_board_info *board_data)
-{
-	return 0;
-}
-#endif
 
 struct omap_display_platform_data {
 	struct omap_dss_board_info *board_data;
-- 
GitLab


From b923d40dd4211c4ef7d4efa2bd81b7ca1d8744c1 Mon Sep 17 00:00:00 2001
From: Archit Taneja <archit@ti.com>
Date: Thu, 6 Oct 2011 18:04:08 -0600
Subject: [PATCH 0196/1594] ARM: OMAP2PLUS: DSS: Ensure DSS works correctly if
 display is enabled in bootloader

Resetting DISPC when a DISPC output is enabled causes the DSS to go into an
inconsistent state. Thus if the bootloader has enabled a display, the hwmod code
cannot reset the DISPC module just like that, but the outputs need to be
disabled first.

Add function dispc_disable_outputs() which disables all active overlay manager
and ensure all frame transfers are completed.

Modify omap_dss_reset() to call this function and clear DSS_CONTROL,
DSS_SDI_CONTROL and DSS_PLL_CONTROL so that DSS is in a clean state when the
DSS2 driver starts.

This resolves the hang issue(caused by a L3 error during boot) seen on the
beagle board C3, which has a factory bootloader that enables display. The issue
is resolved with this patch.

Thanks to Tomi and Sricharan for some additional testing.

Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: R, Sricharan <r.sricharan@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
[paul@pwsan.com: restructured code, removed omap_{read,write}l(), removed
 cpu_is_omap*() calls and converted to dev_attr]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/display.c                | 124 +++++++++++++++++++
 arch/arm/mach-omap2/display.h                |  29 +++++
 arch/arm/mach-omap2/omap_hwmod_2420_data.c   |   1 +
 arch/arm/mach-omap2/omap_hwmod_2430_data.c   |   1 +
 arch/arm/mach-omap2/omap_hwmod_3xxx_data.c   |   1 +
 arch/arm/mach-omap2/omap_hwmod_44xx_data.c   |   6 +
 arch/arm/mach-omap2/omap_hwmod_common_data.c |   4 +
 arch/arm/mach-omap2/omap_hwmod_common_data.h |   4 +
 8 files changed, 170 insertions(+)
 create mode 100644 arch/arm/mach-omap2/display.h

diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 941b5459707f..dce9905d64bb 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -30,6 +30,32 @@
 #include <plat/common.h>
 
 #include "control.h"
+#include "display.h"
+
+#define DISPC_CONTROL		0x0040
+#define DISPC_CONTROL2		0x0238
+#define DISPC_IRQSTATUS		0x0018
+
+#define DSS_SYSCONFIG		0x10
+#define DSS_SYSSTATUS		0x14
+#define DSS_CONTROL		0x40
+#define DSS_SDI_CONTROL		0x44
+#define DSS_PLL_CONTROL		0x48
+
+#define LCD_EN_MASK		(0x1 << 0)
+#define DIGIT_EN_MASK		(0x1 << 1)
+
+#define FRAMEDONE_IRQ_SHIFT	0
+#define EVSYNC_EVEN_IRQ_SHIFT	2
+#define EVSYNC_ODD_IRQ_SHIFT	3
+#define FRAMEDONE2_IRQ_SHIFT	22
+#define FRAMEDONETV_IRQ_SHIFT	24
+
+/*
+ * FRAMEDONE_IRQ_TIMEOUT: how long (in milliseconds) to wait during DISPC
+ *     reset before deciding that something has gone wrong
+ */
+#define FRAMEDONE_IRQ_TIMEOUT		100
 
 static struct platform_device omap_display_device = {
 	.name          = "omapdss",
@@ -174,6 +200,90 @@ int __init omap_display_init(struct omap_dss_board_info *board_data)
 	return r;
 }
 
+static void dispc_disable_outputs(void)
+{
+	u32 v, irq_mask = 0;
+	bool lcd_en, digit_en, lcd2_en = false;
+	int i;
+	struct omap_dss_dispc_dev_attr *da;
+	struct omap_hwmod *oh;
+
+	oh = omap_hwmod_lookup("dss_dispc");
+	if (!oh) {
+		WARN(1, "display: could not disable outputs during reset - could not find dss_dispc hwmod\n");
+		return;
+	}
+
+	if (!oh->dev_attr) {
+		pr_err("display: could not disable outputs during reset due to missing dev_attr\n");
+		return;
+	}
+
+	da = (struct omap_dss_dispc_dev_attr *)oh->dev_attr;
+
+	/* store value of LCDENABLE and DIGITENABLE bits */
+	v = omap_hwmod_read(oh, DISPC_CONTROL);
+	lcd_en = v & LCD_EN_MASK;
+	digit_en = v & DIGIT_EN_MASK;
+
+	/* store value of LCDENABLE for LCD2 */
+	if (da->manager_count > 2) {
+		v = omap_hwmod_read(oh, DISPC_CONTROL2);
+		lcd2_en = v & LCD_EN_MASK;
+	}
+
+	if (!(lcd_en | digit_en | lcd2_en))
+		return; /* no managers currently enabled */
+
+	/*
+	 * If any manager was enabled, we need to disable it before
+	 * DSS clocks are disabled or DISPC module is reset
+	 */
+	if (lcd_en)
+		irq_mask |= 1 << FRAMEDONE_IRQ_SHIFT;
+
+	if (digit_en) {
+		if (da->has_framedonetv_irq) {
+			irq_mask |= 1 << FRAMEDONETV_IRQ_SHIFT;
+		} else {
+			irq_mask |= 1 << EVSYNC_EVEN_IRQ_SHIFT |
+				1 << EVSYNC_ODD_IRQ_SHIFT;
+		}
+	}
+
+	if (lcd2_en)
+		irq_mask |= 1 << FRAMEDONE2_IRQ_SHIFT;
+
+	/*
+	 * clear any previous FRAMEDONE, FRAMEDONETV,
+	 * EVSYNC_EVEN/ODD or FRAMEDONE2 interrupts
+	 */
+	omap_hwmod_write(irq_mask, oh, DISPC_IRQSTATUS);
+
+	/* disable LCD and TV managers */
+	v = omap_hwmod_read(oh, DISPC_CONTROL);
+	v &= ~(LCD_EN_MASK | DIGIT_EN_MASK);
+	omap_hwmod_write(v, oh, DISPC_CONTROL);
+
+	/* disable LCD2 manager */
+	if (da->manager_count > 2) {
+		v = omap_hwmod_read(oh, DISPC_CONTROL2);
+		v &= ~LCD_EN_MASK;
+		omap_hwmod_write(v, oh, DISPC_CONTROL2);
+	}
+
+	i = 0;
+	while ((omap_hwmod_read(oh, DISPC_IRQSTATUS) & irq_mask) !=
+	       irq_mask) {
+		i++;
+		if (i > FRAMEDONE_IRQ_TIMEOUT) {
+			pr_err("didn't get FRAMEDONE1/2 or TV interrupt\n");
+			break;
+		}
+		mdelay(1);
+	}
+}
+
 #define MAX_MODULE_SOFTRESET_WAIT	10000
 int omap_dss_reset(struct omap_hwmod *oh)
 {
@@ -190,6 +300,20 @@ int omap_dss_reset(struct omap_hwmod *oh)
 		if (oc->_clk)
 			clk_enable(oc->_clk);
 
+	dispc_disable_outputs();
+
+	/* clear SDI registers */
+	if (cpu_is_omap3430()) {
+		omap_hwmod_write(0x0, oh, DSS_SDI_CONTROL);
+		omap_hwmod_write(0x0, oh, DSS_PLL_CONTROL);
+	}
+
+	/*
+	 * clear DSS_CONTROL register to switch DSS clock sources to
+	 * PRCM clock, if any
+	 */
+	omap_hwmod_write(0x0, oh, DSS_CONTROL);
+
 	omap_test_timeout((omap_hwmod_read(oh, oh->class->sysc->syss_offs)
 				& SYSS_RESETDONE_MASK),
 			MAX_MODULE_SOFTRESET_WAIT, c);
diff --git a/arch/arm/mach-omap2/display.h b/arch/arm/mach-omap2/display.h
new file mode 100644
index 000000000000..b871b017b352
--- /dev/null
+++ b/arch/arm/mach-omap2/display.h
@@ -0,0 +1,29 @@
+/*
+ * display.h - OMAP2+ integration-specific DSS header
+ *
+ * Copyright (C) 2011 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_DISPLAY_H
+#define __ARCH_ARM_MACH_OMAP2_DISPLAY_H
+
+#include <linux/kernel.h>
+
+struct omap_dss_dispc_dev_attr {
+	u8	manager_count;
+	bool	has_framedonetv_irq;
+};
+
+#endif
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 74037a5807af..a5409ce3f323 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -943,6 +943,7 @@ static struct omap_hwmod omap2420_dss_dispc_hwmod = {
 	.slaves		= omap2420_dss_dispc_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap2420_dss_dispc_slaves),
 	.flags		= HWMOD_NO_IDLEST,
+	.dev_attr	= &omap2_3_dss_dispc_dev_attr
 };
 
 /* l4_core -> dss_rfbi */
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 6f0365388dfc..c4f56cb60d7d 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -1004,6 +1004,7 @@ static struct omap_hwmod omap2430_dss_dispc_hwmod = {
 	.slaves		= omap2430_dss_dispc_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap2430_dss_dispc_slaves),
 	.flags		= HWMOD_NO_IDLEST,
+	.dev_attr	= &omap2_3_dss_dispc_dev_attr
 };
 
 /* l4_core -> dss_rfbi */
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 4aaf0caaf3cc..7f8915ad5099 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1462,6 +1462,7 @@ static struct omap_hwmod omap3xxx_dss_dispc_hwmod = {
 	.slaves		= omap3xxx_dss_dispc_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_dss_dispc_slaves),
 	.flags		= HWMOD_NO_IDLEST,
+	.dev_attr	= &omap2_3_dss_dispc_dev_attr
 };
 
 /*
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 3b04d63316f5..daaf165af696 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -1327,6 +1327,11 @@ static struct omap_hwmod_addr_space omap44xx_dss_dispc_addrs[] = {
 	{ }
 };
 
+static struct omap_dss_dispc_dev_attr omap44xx_dss_dispc_dev_attr = {
+	.manager_count		= 3,
+	.has_framedonetv_irq	= 1
+};
+
 /* l4_per -> dss_dispc */
 static struct omap_hwmod_ocp_if omap44xx_l4_per__dss_dispc = {
 	.master		= &omap44xx_l4_per_hwmod,
@@ -1357,6 +1362,7 @@ static struct omap_hwmod omap44xx_dss_dispc_hwmod = {
 	},
 	.slaves		= omap44xx_dss_dispc_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap44xx_dss_dispc_slaves),
+	.dev_attr	= &omap44xx_dss_dispc_dev_attr
 };
 
 /*
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.c b/arch/arm/mach-omap2/omap_hwmod_common_data.c
index de832ebc93a9..51e5418899fb 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.c
@@ -49,3 +49,7 @@ struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2 = {
 	.srst_shift	= SYSC_TYPE2_SOFTRESET_SHIFT,
 };
 
+struct omap_dss_dispc_dev_attr omap2_3_dss_dispc_dev_attr = {
+	.manager_count		= 2,
+	.has_framedonetv_irq	= 0
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h
index 39a7c37f4587..ad5d8f04c0b8 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.h
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h
@@ -16,6 +16,8 @@
 
 #include <plat/omap_hwmod.h>
 
+#include "display.h"
+
 /* Common address space across OMAP2xxx */
 extern struct omap_hwmod_addr_space omap2xxx_uart1_addr_space[];
 extern struct omap_hwmod_addr_space omap2xxx_uart2_addr_space[];
@@ -111,4 +113,6 @@ extern struct omap_hwmod_class omap2xxx_dma_hwmod_class;
 extern struct omap_hwmod_class omap2xxx_mailbox_hwmod_class;
 extern struct omap_hwmod_class omap2xxx_mcspi_class;
 
+extern struct omap_dss_dispc_dev_attr omap2_3_dss_dispc_dev_attr;
+
 #endif
-- 
GitLab


From 35b09c9bf619c4fc6040c52dcea6bd5bd6af7679 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 28 Oct 2011 14:42:41 +0300
Subject: [PATCH 0197/1594] drm/i915: fix if statement (bogus semi-colon)

The semi-colon is a typo here and it makes the if statement
unconditional.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/char/agp/intel-gtt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 66cd0b8096ca..3a8d44886010 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1236,7 +1236,7 @@ static int i9xx_setup(void)
 		intel_private.gtt_bus_addr = reg_addr + gtt_offset;
 	}
 
-	if (needs_idle_maps());
+	if (needs_idle_maps())
 		intel_private.base.do_idle_maps = 1;
 
 	intel_i9xx_setup_flush();
-- 
GitLab


From a08185a3eb658854b29c05bcbfac0f85038ffe9f Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 28 Oct 2011 10:28:00 -0700
Subject: [PATCH 0198/1594] agp: iommu_gfx_mapped only available if
 CONFIG_INTEL_IOMMU is set

Kernels with no iommu support cannot ever need the Ironlake
work-around, so never enable it in that case.

Might be better to completely remove the work-around from the kernel
in this case?

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
---
 drivers/char/agp/intel-gtt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 3a8d44886010..c92424ca1a55 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1186,10 +1186,11 @@ static void gen6_cleanup(void)
 /* Certain Gen5 chipsets require require idling the GPU before
  * unmapping anything from the GTT when VT-d is enabled.
  */
-extern int intel_iommu_gfx_mapped;
 static inline int needs_idle_maps(void)
 {
+#ifdef CONFIG_INTEL_IOMMU
 	const unsigned short gpu_devid = intel_private.pcidev->device;
+	extern int intel_iommu_gfx_mapped;
 
 	/* Query intel_iommu to see if we need the workaround. Presumably that
 	 * was loaded first.
@@ -1198,7 +1199,7 @@ static inline int needs_idle_maps(void)
 	     gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) &&
 	     intel_iommu_gfx_mapped)
 		return 1;
-
+#endif
 	return 0;
 }
 
-- 
GitLab


From 14660ccd599dc7bd6ecef17408bd76dc853f9b77 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 31 Oct 2011 23:16:21 -0700
Subject: [PATCH 0199/1594] drm/i915: Fix object refcount leak on mmappable
 size limit error path.

I've been seeing memory leaks on my system in the form of large
(300-400MB) GEM objects created by now-dead processes laying around
clogging up memory.  I usually notice when it gets to about 1.2GB of
them.  Hopefully this clears up the issue, but I just found this bug
by inspection.

Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: stable@kernel.org
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6651c36b6e8a..d18b07adcffa 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1396,7 +1396,7 @@ i915_gem_mmap_gtt(struct drm_file *file,
 
 	if (obj->base.size > dev_priv->mm.gtt_mappable_end) {
 		ret = -E2BIG;
-		goto unlock;
+		goto out;
 	}
 
 	if (obj->madv != I915_MADV_WILLNEED) {
-- 
GitLab


From 2c2dd6ac738d8a22def46e073fb7383cac8fa180 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Wed, 12 Oct 2011 13:09:53 -0300
Subject: [PATCH 0200/1594] [media] media: vb2: add a check for uninitialized
 buffer

__buffer_in_use() might be called for empty/uninitialized buffer in the
following scenario: REQBUF(n, USER_PTR), QUERYBUF(). This patch fixes
kernel ops in such case.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/videobuf2-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index 979e544388cb..9bb92145ad5a 100644
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -296,14 +296,14 @@ static bool __buffer_in_use(struct vb2_queue *q, struct vb2_buffer *vb)
 {
 	unsigned int plane;
 	for (plane = 0; plane < vb->num_planes; ++plane) {
+		void *mem_priv = vb->planes[plane].mem_priv;
 		/*
 		 * If num_users() has not been provided, call_memop
 		 * will return 0, apparently nobody cares about this
 		 * case anyway. If num_users() returns more than 1,
 		 * we are not the only user of the plane's memory.
 		 */
-		if (call_memop(q, plane, num_users,
-				vb->planes[plane].mem_priv) > 1)
+		if (mem_priv && call_memop(q, plane, num_users, mem_priv) > 1)
 			return true;
 	}
 	return false;
-- 
GitLab


From 4907602f85d454c127d20ac943ead13e2919898d Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 13 Oct 2011 07:07:24 -0300
Subject: [PATCH 0201/1594] [media] media: vb2: set buffer length correctly for
 all buffer types

v4l2_planes[plane].length field was not initialized for userptr buffers.
This patch fixes this issue.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/videobuf2-core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index 9bb92145ad5a..e7c52ff3c761 100644
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -131,6 +131,7 @@ static void __setup_offsets(struct vb2_queue *q, unsigned int n)
 			continue;
 
 		for (plane = 0; plane < vb->num_planes; ++plane) {
+			vb->v4l2_planes[plane].length = q->plane_sizes[plane];
 			vb->v4l2_planes[plane].m.mem_offset = off;
 
 			dprintk(3, "Buffer %d, plane %d offset 0x%08lx\n",
-- 
GitLab


From bd50d999d4d4f311fda9b777d1e567433cc0f142 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 25 Oct 2011 03:07:59 -0300
Subject: [PATCH 0202/1594] [media] media: vb2: reset queued list on REQBUFS(0)
 call

Queued list was not reset on REQBUFS(0) call. This caused to enqueue a
freed buffer to the driver.

Reported-by: Angela Wan <angela.j.wan@gmail.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/videobuf2-core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index e7c52ff3c761..95a3f5e82aef 100644
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -265,6 +265,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsigned int buffers)
 	q->num_buffers -= buffers;
 	if (!q->num_buffers)
 		q->memory = 0;
+	INIT_LIST_HEAD(&q->queued_list);
 }
 
 /**
-- 
GitLab


From 43defb118247b9c72d53328aa366bdb154d5ee98 Mon Sep 17 00:00:00 2001
From: Kamil Debski <k.debski@samsung.com>
Date: Thu, 6 Oct 2011 11:34:05 -0300
Subject: [PATCH 0203/1594] [media] v4l: s5p-mfc: fix reported capabilities

MFC uses the multi-plane API, but it reported single-plane
when querying capabilities.

Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-mfc/s5p_mfc_dec.c | 4 ++--
 drivers/media/video/s5p-mfc/s5p_mfc_enc.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
index 725634d9736d..844a4d7797bc 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
@@ -220,8 +220,8 @@ static int vidioc_querycap(struct file *file, void *priv,
 	strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
 	cap->bus_info[0] = 0;
 	cap->version = KERNEL_VERSION(1, 0, 0);
-	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT
-						    | V4L2_CAP_STREAMING;
+	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE_MPLANE |
+			V4L2_CAP_VIDEO_OUTPUT_MPLANE | V4L2_CAP_STREAMING;
 	return 0;
 }
 
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
index ecef127dbc66..1e8cdb77d4b8 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
@@ -785,8 +785,8 @@ static int vidioc_querycap(struct file *file, void *priv,
 	strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
 	cap->bus_info[0] = 0;
 	cap->version = KERNEL_VERSION(1, 0, 0);
-	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE
-			  | V4L2_CAP_VIDEO_OUTPUT
+	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE_MPLANE
+			  | V4L2_CAP_VIDEO_OUTPUT_MPLANE
 			  | V4L2_CAP_STREAMING;
 	return 0;
 }
-- 
GitLab


From 60659dd49509f255ad9748411cd4eb3c74a8d8a9 Mon Sep 17 00:00:00 2001
From: Jeongtae Park <jtp.park@samsung.com>
Date: Fri, 14 Oct 2011 00:03:23 -0300
Subject: [PATCH 0204/1594] [media] MAINTAINERS: add a maintainer for s5p-mfc
 driver

Add a maintainer for s5p-mfc driver.

Signed-off-by: Jeongtae Park <jtp.park@samsung.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 5e587fcaf4dc..e839b95b2723 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1088,6 +1088,7 @@ F:	drivers/media/video/s5p-fimc/
 ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT
 M:	Kyungmin Park <kyungmin.park@samsung.com>
 M:	Kamil Debski <k.debski@samsung.com>
+M:     Jeongtae Park <jtp.park@samsung.com>
 L:	linux-arm-kernel@lists.infradead.org
 L:	linux-media@vger.kernel.org
 S:	Maintained
-- 
GitLab


From b36b505965e374b284166c2e6b9c1d369d663ea9 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Mon, 24 Oct 2011 05:03:27 -0300
Subject: [PATCH 0205/1594] [media] v4l2-event: Deny subscribing with a type of
 V4L2_EVENT_ALL

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/v4l2-event.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/video/v4l2-event.c b/drivers/media/video/v4l2-event.c
index 53b190cf225e..9f56f18d509f 100644
--- a/drivers/media/video/v4l2-event.c
+++ b/drivers/media/video/v4l2-event.c
@@ -215,6 +215,9 @@ int v4l2_event_subscribe(struct v4l2_fh *fh,
 	unsigned long flags;
 	unsigned i;
 
+	if (sub->type == V4L2_EVENT_ALL)
+		return -EINVAL;
+
 	if (elems < 1)
 		elems = 1;
 	if (sub->type == V4L2_EVENT_CTRL) {
-- 
GitLab


From 78c87e863bb3350426fecd14912fd0a546c58ec0 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Wed, 26 Oct 2011 05:40:27 -0300
Subject: [PATCH 0206/1594] [media] v4l2-event: Remove pending events from fh
 event queue when unsubscribing

The kev pointers inside the pending events queue (the available queue) of the
fh point to data inside the sev, unsubscribing frees the sev, thus making these
pointers point to freed memory!

This patch fixes these dangling pointers in the available queue by removing
all matching pending events on unsubscription.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/v4l2-event.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/media/video/v4l2-event.c b/drivers/media/video/v4l2-event.c
index 9f56f18d509f..4d01f17497f6 100644
--- a/drivers/media/video/v4l2-event.c
+++ b/drivers/media/video/v4l2-event.c
@@ -285,6 +285,7 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
 {
 	struct v4l2_subscribed_event *sev;
 	unsigned long flags;
+	int i;
 
 	if (sub->type == V4L2_EVENT_ALL) {
 		v4l2_event_unsubscribe_all(fh);
@@ -295,6 +296,11 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
 
 	sev = v4l2_event_subscribed(fh, sub->type, sub->id);
 	if (sev != NULL) {
+		/* Remove any pending events for this subscription */
+		for (i = 0; i < sev->in_use; i++) {
+			list_del(&sev->events[sev_pos(sev, i)].list);
+			fh->navailable--;
+		}
 		list_del(&sev->list);
 		sev->fh = NULL;
 	}
-- 
GitLab


From e3e72f39b68ec2563d8ef22f9704a66b7f71b638 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Wed, 26 Oct 2011 05:52:47 -0300
Subject: [PATCH 0207/1594] [media] v4l2-event: Don't set sev->fh to NULL on
 unsubscribe

Setting sev->fh to NULL causes problems for the del op added in the next
patch of this series, since this op needs a way to get to its own data
structures, and typically this will be done by using container_of on an
embedded v4l2_fh struct.

The reason the original code is setting sev->fh to NULL is to signal
to users of the event framework that the unsubscription has happened,
but since their is no shared lock between the event framework and users
of it, this is inherently racy, and it also turns out to be unnecessary
as long as both the event framework and the user of the framework do their
own locking properly and the user guarantees that it holds no references
to the subcribed_event structure after its del operation has been called.

This is best explained by looking at the only code currently checking for
sev->fh being set to NULL on unsubscribe, which is the v4l2-ctrls.c send_event
function. Here is the relevant code from v4l2-ctrls: send_event():

	if (sev->fh && (sev->fh != fh ||
			(sev->flags & V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK)))
		v4l2_event_queue_fh(sev->fh, &ev);

Now lets say that v4l2_event_unsubscribe and v4l2-ctrls: send_event() race
on the same sev, then the following could happens:

1) send_event checks sev->fh, finds it is not NULL
<thread switch>
2) v4l2_event_unsubscribe sets sev->fh NULL
3) v4l2_event_unsubscribe calls v4l2_ctrls del_event function, this blocks
   as the thread calling send_event holds the ctrl_lock
<thread switch>
4) send_event calls v4l2_event_queue_fh(sev->fh, &ev) which not is equivalent
   to calling: v4l2_event_queue_fh(NULL, &ev)
5) oops, NULL pointer deref.

Now again without setting sev->fh to NULL in v4l2_event_unsubscribe and
without the (now senseless since always true) sev->fh != NULL check in

1) send_event is about to call v4l2_event_queue_fh(sev->fh, &ev)
<thread switch>
2) v4l2_event_unsubscribe removes sev->list from the fh->subscribed list
<thread switch>
3) send_event calls v4l2_event_queue_fh(sev->fh, &ev)
4) v4l2_event_queue_fh blocks on the fh_lock spinlock
<thread switch>
5) v4l2_event_unsubscribe unlocks the fh_lock spinlock
6) v4l2_event_unsubscribe calls v4l2_ctrls del_event function, this blocks
   as the thread calling send_event holds the ctrl_lock
<thread switch>
8) v4l2_event_queue_fh takes the fh_lock
7) v4l2_event_queue_fh calls v4l2_event_subscribed, does not find it since
   sev->list has been removed from fh->subscribed already -> does nothing
9) v4l2_event_queue_fh releases the fh_lock
10) the caller of send_event releases the ctrl lock (mutex)
<thread switch>
11) v4l2_ctrls del_event takes the ctrl lock
12) v4l2_ctrls del_event removes sev->node from the ev_subs list
13) v4l2_ctrls del_event releases the ctrl lock
14) v4l2_event_unsubscribe frees the sev, to which no references are being
    held anymore

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/v4l2-ctrls.c | 4 ++--
 drivers/media/video/v4l2-event.c | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index 5552f8137571..c58c91bbcfbd 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -820,8 +820,8 @@ static void send_event(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl, u32 changes)
 	fill_event(&ev, ctrl, changes);
 
 	list_for_each_entry(sev, &ctrl->ev_subs, node)
-		if (sev->fh && (sev->fh != fh ||
-				(sev->flags & V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK)))
+		if (sev->fh != fh ||
+		    (sev->flags & V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK))
 			v4l2_event_queue_fh(sev->fh, &ev);
 }
 
diff --git a/drivers/media/video/v4l2-event.c b/drivers/media/video/v4l2-event.c
index 4d01f17497f6..3d93251f292e 100644
--- a/drivers/media/video/v4l2-event.c
+++ b/drivers/media/video/v4l2-event.c
@@ -302,7 +302,6 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
 			fh->navailable--;
 		}
 		list_del(&sev->list);
-		sev->fh = NULL;
 	}
 
 	spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
-- 
GitLab


From 1249a3a82d08d73ece65ae79e0553cd0f3407a15 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Mon, 31 Oct 2011 11:16:44 -0300
Subject: [PATCH 0208/1594] [media] v4l2-ctrl: Send change events to all fh for
 auto cluster slave controls

Otherwise the fh changing the master control won't get the inactive state
change event for the slave controls.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/v4l2-ctrls.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index c58c91bbcfbd..2ece7093b513 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -946,6 +946,7 @@ static void new_to_cur(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl,
 			if (ctrl->cluster[0]->has_volatiles)
 				ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 		}
+		fh = NULL;
 	}
 	if (changed || update_inactive) {
 		/* If a control was changed that was not one of the controls
-- 
GitLab


From 617d1017545c27a56229483cc1d689eff6c38561 Mon Sep 17 00:00:00 2001
From: Thomas Jarosch <thomas.jarosch@intra2net.com>
Date: Sat, 29 Oct 2011 15:45:56 +0200
Subject: [PATCH 0209/1594] MIPS: Yosemite, Emma: Fix off-by-two in
 arcs_cmdline buffer size check

Cause is a misplaced bracket.

The code

    strlen(buf+1)

will be two bytes less than

    strlen(buf)+1

The +1 is in this code to reserve space for an additional space character.

[ralf@linux-mips.org: Thomas' original patch fixed the issue only for
 Yosemite but the same bug exists also in Emma.]

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Patchwork: https://patchwork.linux-mips.org/patch/2861/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/emma/common/prom.c         | 2 +-
 arch/mips/pmc-sierra/yosemite/prom.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c
index 708f08761406..cae42259d6da 100644
--- a/arch/mips/emma/common/prom.c
+++ b/arch/mips/emma/common/prom.c
@@ -50,7 +50,7 @@ void __init prom_init(void)
 
 	/* arg[0] is "g", the rest is boot parameters */
 	for (i = 1; i < argc; i++) {
-		if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
+		if (strlen(arcs_cmdline) + strlen(arg[i]) + 1
 		    >= sizeof(arcs_cmdline))
 			break;
 		strcat(arcs_cmdline, arg[i]);
diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c
index cf4c868715ac..dcc926e06fce 100644
--- a/arch/mips/pmc-sierra/yosemite/prom.c
+++ b/arch/mips/pmc-sierra/yosemite/prom.c
@@ -102,7 +102,7 @@ void __init prom_init(void)
 
 	/* Get the boot parameters */
 	for (i = 1; i < argc; i++) {
-		if (strlen(arcs_cmdline) + strlen(arg[i] + 1) >=
+		if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 >=
 		    sizeof(arcs_cmdline))
 			break;
 
-- 
GitLab


From 798580815126c899616146f286d5cc259abb5e16 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Fri, 4 Nov 2011 10:45:57 +0000
Subject: [PATCH 0210/1594] MIPS: NXP: Remove unused source files.

The NXP code was moved for 2.6.36 but two files survived unused in the
old location.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/nxp/pnx8550/common/pci.c   | 134 -------------------------
 arch/mips/nxp/pnx8550/common/setup.c | 143 ---------------------------
 2 files changed, 277 deletions(-)
 delete mode 100644 arch/mips/nxp/pnx8550/common/pci.c
 delete mode 100644 arch/mips/nxp/pnx8550/common/setup.c

diff --git a/arch/mips/nxp/pnx8550/common/pci.c b/arch/mips/nxp/pnx8550/common/pci.c
deleted file mode 100644
index 98e86ddb86cc..000000000000
--- a/arch/mips/nxp/pnx8550/common/pci.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- *
- * BRIEF MODULE DESCRIPTION
- *
- * Author: source@mvista.com
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- *  for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- */
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <pci.h>
-#include <glb.h>
-#include <nand.h>
-
-static struct resource pci_io_resource = {
-	.start	= PNX8550_PCIIO + 0x1000,	/* reserve regacy I/O space */
-	.end	= PNX8550_PCIIO + PNX8550_PCIIO_SIZE,
-	.name	= "pci IO space",
-	.flags	= IORESOURCE_IO
-};
-
-static struct resource pci_mem_resource = {
-	.start	= PNX8550_PCIMEM,
-	.end	= PNX8550_PCIMEM + PNX8550_PCIMEM_SIZE - 1,
-	.name	= "pci memory space",
-	.flags	= IORESOURCE_MEM
-};
-
-extern struct pci_ops pnx8550_pci_ops;
-
-static struct pci_controller pnx8550_controller = {
-	.pci_ops	= &pnx8550_pci_ops,
-	.io_map_base	= PNX8550_PORT_BASE,
-	.io_resource	= &pci_io_resource,
-	.mem_resource	= &pci_mem_resource,
-};
-
-/* Return the total size of DRAM-memory, (RANK0 + RANK1) */
-static inline unsigned long get_system_mem_size(void)
-{
-	/* Read IP2031_RANK0_ADDR_LO */
-	unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010);
-	/* Read IP2031_RANK1_ADDR_HI */
-	unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018);
-
-	return dram_r1_hi - dram_r0_lo + 1;
-}
-
-static int __init pnx8550_pci_setup(void)
-{
-	int pci_mem_code;
-	int mem_size = get_system_mem_size() >> 20;
-
-	/* Clear the Global 2 Register, PCI Inta Output Enable Registers
-	   Bit 1:Enable DAC Powerdown
-	  -> 0:DACs are enabled and are working normally
-	     1:DACs are powerdown
-	   Bit 0:Enable of PCI inta output
-	  -> 0 = Disable PCI inta output
-	     1 = Enable PCI inta output
-	*/
-	PNX8550_GLB2_ENAB_INTA_O = 0;
-
-	/* Calc the PCI mem size code */
-	if (mem_size >= 128)
-		pci_mem_code = SIZE_128M;
-	else if (mem_size >= 64)
-		pci_mem_code = SIZE_64M;
-	else if (mem_size >= 32)
-		pci_mem_code = SIZE_32M;
-	else
-		pci_mem_code = SIZE_16M;
-
-	/* Set PCI_XIO registers */
-	outl(pci_mem_resource.start, PCI_BASE | PCI_BASE1_LO);
-	outl(pci_mem_resource.end + 1, PCI_BASE | PCI_BASE1_HI);
-	outl(pci_io_resource.start, PCI_BASE | PCI_BASE2_LO);
-	outl(pci_io_resource.end, PCI_BASE | PCI_BASE2_HI);
-
-	/* Send memory transaction via PCI_BASE2 */
-	outl(0x00000001, PCI_BASE | PCI_IO);
-
-	/* Unlock the setup register */
-	outl(0xca, PCI_BASE | PCI_UNLOCKREG);
-
-	/*
-	 * BAR0 of PNX8550 (pci base 10) must be zero in order for ide
-	 * to work, and in order for bus_to_baddr to work without any
-	 * hacks.
-	 */
-	outl(0x00000000, PCI_BASE | PCI_BASE10);
-
-	/*
-	 *These two bars are set by default or the boot code.
-	 * However, it's safer to set them here so we're not boot
-	 * code dependent.
-	 */
-	outl(0x1be00000, PCI_BASE | PCI_BASE14);  /* PNX MMIO */
-	outl(PNX8550_NAND_BASE_ADDR, PCI_BASE | PCI_BASE18);  /* XIO      */
-
-	outl(PCI_EN_TA |
-	     PCI_EN_PCI2MMI |
-	     PCI_EN_XIO |
-	     PCI_SETUP_BASE18_SIZE(SIZE_32M) |
-	     PCI_SETUP_BASE18_EN |
-	     PCI_SETUP_BASE14_EN |
-	     PCI_SETUP_BASE10_PREF |
-	     PCI_SETUP_BASE10_SIZE(pci_mem_code) |
-	     PCI_SETUP_CFGMANAGE_EN |
-	     PCI_SETUP_PCIARB_EN,
-	     PCI_BASE |
-	     PCI_SETUP);	/* PCI_SETUP */
-	outl(0x00000000, PCI_BASE | PCI_CTRL);	/* PCI_CONTROL */
-
-	register_pci_controller(&pnx8550_controller);
-
-	return 0;
-}
-
-arch_initcall(pnx8550_pci_setup);
diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c
deleted file mode 100644
index 71adac323323..000000000000
--- a/arch/mips/nxp/pnx8550/common/setup.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- *
- * 2.6 port, Embedded Alley Solutions, Inc
- *
- *  Based on Per Hallsmark, per.hallsmark@mvista.com
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- *  for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- */
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/irq.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/serial_pnx8xxx.h>
-#include <linux/pm.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
-#include <asm/time.h>
-
-#include <glb.h>
-#include <int.h>
-#include <pci.h>
-#include <uart.h>
-#include <nand.h>
-
-extern void __init board_setup(void);
-extern void pnx8550_machine_restart(char *);
-extern void pnx8550_machine_halt(void);
-extern void pnx8550_machine_power_off(void);
-extern struct resource ioport_resource;
-extern struct resource iomem_resource;
-extern char *prom_getcmdline(void);
-
-struct resource standard_io_resources[] = {
-	{
-		.start	= 0x00,
-		.end	= 0x1f,
-		.name	= "dma1",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x40,
-		.end	= 0x5f,
-		.name	= "timer",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x80,
-		.end	= 0x8f,
-		.name	= "dma page reg",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0xc0,
-		.end	= 0xdf,
-		.name	= "dma2",
-		.flags	= IORESOURCE_BUSY
-	},
-};
-
-#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources)
-
-extern struct resource pci_io_resource;
-extern struct resource pci_mem_resource;
-
-/* Return the total size of DRAM-memory, (RANK0 + RANK1) */
-unsigned long get_system_mem_size(void)
-{
-	/* Read IP2031_RANK0_ADDR_LO */
-	unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010);
-	/* Read IP2031_RANK1_ADDR_HI */
-	unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018);
-
-	return dram_r1_hi - dram_r0_lo + 1;
-}
-
-int pnx8550_console_port = -1;
-
-void __init plat_mem_setup(void)
-{
-	int i;
-	char* argptr;
-
-	board_setup();  /* board specific setup */
-
-        _machine_restart = pnx8550_machine_restart;
-        _machine_halt = pnx8550_machine_halt;
-        pm_power_off = pnx8550_machine_power_off;
-
-	/* Clear the Global 2 Register, PCI Inta Output Enable Registers
-	   Bit 1:Enable DAC Powerdown
-	  -> 0:DACs are enabled and are working normally
-	     1:DACs are powerdown
-	   Bit 0:Enable of PCI inta output
-	  -> 0 = Disable PCI inta output
-	     1 = Enable PCI inta output
-	*/
-	PNX8550_GLB2_ENAB_INTA_O = 0;
-
-	/* IO/MEM resources. */
-	set_io_port_base(PNX8550_PORT_BASE);
-	ioport_resource.start = 0;
-	ioport_resource.end = ~0;
-	iomem_resource.start = 0;
-	iomem_resource.end = ~0;
-
-	/* Request I/O space for devices on this board */
-	for (i = 0; i < STANDARD_IO_RESOURCES; i++)
-		request_resource(&ioport_resource, standard_io_resources + i);
-
-	/* Place the Mode Control bit for GPIO pin 16 in primary function */
-	/* Pin 16 is used by UART1, UA1_TX                                */
-	outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) |
-			(PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT),
-			PNX8550_GPIO_MC1);
-
-	argptr = prom_getcmdline();
-	if ((argptr = strstr(argptr, "console=ttyS")) != NULL) {
-		argptr += strlen("console=ttyS");
-		pnx8550_console_port = *argptr == '0' ? 0 : 1;
-
-		/* We must initialize the UART (console) before early printk */
-		/* Set LCR to 8-bit and BAUD to 38400 (no 5)                */
-		ip3106_lcr(UART_BASE, pnx8550_console_port) =
-			PNX8XXX_UART_LCR_8BIT;
-		ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
-	}
-}
-- 
GitLab


From df55a66addf87bc21ef5678bea238f2c1b2db48a Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Fri, 4 Nov 2011 11:17:46 +0100
Subject: [PATCH 0211/1594] MIPS: BCM47xx: fix build with GENERIC_GPIO
 configuration

Since eb9ae7f2 (gpio: fix build error in include/asm-generic/gpio.h)
the generic version of gpio.h calls __gpio_{set,get}_value which we
do not define. Get rid of asm-generic/gpio.h and define the missing
stubs directly for BCM47xx to build.

Reported-by: Ralf Baechle <ralf@linux-mips.org>
To: linux-mips@linux-mips.org
CC: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Patchwork: https://patchwork.linux-mips.org/patch/2885/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/include/asm/mach-bcm47xx/gpio.h | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h
index 76961cabeedf..2ef17e8df403 100644
--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
+++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
@@ -36,6 +36,8 @@ static inline int gpio_get_value(unsigned gpio)
 	return -EINVAL;
 }
 
+#define gpio_get_value_cansleep	gpio_get_value
+
 static inline void gpio_set_value(unsigned gpio, int value)
 {
 	switch (bcm47xx_bus_type) {
@@ -54,6 +56,19 @@ static inline void gpio_set_value(unsigned gpio, int value)
 	}
 }
 
+#define gpio_set_value_cansleep gpio_set_value
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+	return 0;
+}
+
+static inline int gpio_is_valid(unsigned gpio)
+{
+	return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES);
+}
+
+
 static inline int gpio_direction_input(unsigned gpio)
 {
 	switch (bcm47xx_bus_type) {
@@ -137,7 +152,4 @@ static inline int gpio_polarity(unsigned gpio, int value)
 }
 
 
-/* cansleep wrappers */
-#include <asm-generic/gpio.h>
-
 #endif /* __BCM47XX_GPIO_H */
-- 
GitLab


From e63fb7a9dae820b3ff6754f794fd713f83e32fff Mon Sep 17 00:00:00 2001
From: Venkat Subbiah <venkat.subbiah@cavium.com>
Date: Mon, 3 Oct 2011 13:31:10 -0700
Subject: [PATCH 0212/1594] MIPS: Octeon: Mark SMP-IPI interrupt as
 IRQF_NO_THREAD

This is to exclude it from force threading to allow RT patch set to work.
And while on this line
* Remove IRQF_DISABLED as as this flag is NOOP
* Add IRQF_PERCPU as this is a per cpu interrupt.

Signed-off-by: Venkat Subbiah <venkat.subbiah@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
To: linux-mips@linux-mips.org
To: linux-rt-users@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/2817/
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/cavium-octeon/smp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 8b606423bbd7..efcfff4d4627 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -207,8 +207,9 @@ void octeon_prepare_cpus(unsigned int max_cpus)
 	 * the other bits alone.
 	 */
 	cvmx_write_csr(CVMX_CIU_MBOX_CLRX(cvmx_get_core_num()), 0xffff);
-	if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_DISABLED,
-			"SMP-IPI", mailbox_interrupt)) {
+	if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt,
+			IRQF_PERCPU | IRQF_NO_THREAD, "SMP-IPI",
+			mailbox_interrupt)) {
 		panic("Cannot request_irq(OCTEON_IRQ_MBOX0)\n");
 	}
 }
-- 
GitLab


From e94e05eae9a56e4fad93f18a63ae90e7ff02b576 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Tue, 8 Nov 2011 21:57:59 +0800
Subject: [PATCH 0213/1594] arm/mxs: fix mmc device adding for mach-mx28evk

The merge commit "526b264 Merge branch 'imx/cleanup' into imx/devel"
left a duplicated mx28_add_mxs_mmc() call, which causes the problem
below during boot.

  kobject_add_internal failed for mxs-mmc.1 with -EEXIST, don't try
  to register things with the same name in the same directory.

The patch removes this leftover and also change mmc0 adding to align
with mmc1.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/mach-mxs/mach-mx28evk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index ac2316d53d3c..064ec5abaa55 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -471,7 +471,8 @@ static void __init mx28evk_init(void)
 			       "mmc0-slot-power");
 	if (ret)
 		pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
-	mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
+	else
+		mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
 
 	ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW,
 			       "mmc1-slot-power");
@@ -480,7 +481,6 @@ static void __init mx28evk_init(void)
 	else
 		mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
 
-	mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
 	mx28_add_rtc_stmp3xxx();
 
 	gpio_led_register_device(0, &mx28evk_led_data);
-- 
GitLab


From d13431ca3eb2a2c14314f04813cdc11cd869f150 Mon Sep 17 00:00:00 2001
From: Wen-chien Jesse Sung <jesse.sung@canonical.com>
Date: Tue, 8 Nov 2011 14:30:22 +0800
Subject: [PATCH 0214/1594] Bluetooth: Add support for Broadcom BCM20702A0

Since this device declares itself as vendor specific, must add
a new entry to device ID table to support it.

usb-device output of this device:

T:  Bus=01 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#=  3 Spd=12  MxCh= 0
D:  Ver= 2.00 Cls=ff(vend.) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=413c ProdID=8197 Rev=01.12
S:  Manufacturer=Broadcom Corp
S:  Product=BCM20702A0
S:  SerialNumber=D0DF9AA9C9F1
C:  #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=01 Driver=(none)
I:  If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=(none)
I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
I:  If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none)

Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 drivers/bluetooth/btusb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f9b726091ad0..fe4ebc375b3d 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -100,6 +100,9 @@ static struct usb_device_id btusb_table[] = {
 	/* Canyon CN-BTU1 with HID interfaces */
 	{ USB_DEVICE(0x0c10, 0x0000) },
 
+	/* Broadcom BCM20702A0 */
+	{ USB_DEVICE(0x413c, 0x8197) },
+
 	{ }	/* Terminating entry */
 };
 
-- 
GitLab


From 66f5ddf30a59f811818656cb2833c80da0340cfa Mon Sep 17 00:00:00 2001
From: "Luck, Tony" <tony.luck@intel.com>
Date: Thu, 3 Nov 2011 11:46:47 -0700
Subject: [PATCH 0215/1594] x86/mce: Make mce_chrdev_ops 'static const'

Arjan would like to make struct file_operations const, but
mce-inject directly writes to the mce_chrdev_ops to install its
write handler. In an ideal world mce-inject would have its own
character device, but we have a sizable legacy of test scripts
that hardwire "/dev/mcelog", so it would be painful to switch to
a separate device now. Instead, this patch switches to a stub
function in the mce code, with a registration helper that
mce-inject can call when it is loaded.

Note that this would also allow for a sane process to allow
mce-inject to be unloaded again (with an unregister function,
and appropriate module_{get,put}() calls), but that is left for
potential future patches.

Reported-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/4eb2e1971326651a3b@agluck-desktop.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/mce.h              |  5 ++++-
 arch/x86/kernel/cpu/mcheck/mce-inject.c |  2 +-
 arch/x86/kernel/cpu/mcheck/mce.c        | 25 ++++++++++++++++++++++---
 3 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index c9321f34e55b..0e8ae57d3656 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -201,7 +201,10 @@ int mce_notify_irq(void);
 void mce_notify_process(void);
 
 DECLARE_PER_CPU(struct mce, injectm);
-extern struct file_operations mce_chrdev_ops;
+
+extern void register_mce_write_callback(ssize_t (*)(struct file *filp,
+				    const char __user *ubuf,
+				    size_t usize, loff_t *off));
 
 /*
  * Exception handler
diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
index 6199232161cf..319882ef848d 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -208,7 +208,7 @@ static int inject_init(void)
 	if (!alloc_cpumask_var(&mce_inject_cpumask, GFP_KERNEL))
 		return -ENOMEM;
 	printk(KERN_INFO "Machine check injector initialized\n");
-	mce_chrdev_ops.write = mce_write;
+	register_mce_write_callback(mce_write);
 	register_nmi_handler(NMI_LOCAL, mce_raise_notify, 0,
 				"mce_notify");
 	return 0;
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 362056aefeb4..2af127d4c3d1 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1634,16 +1634,35 @@ static long mce_chrdev_ioctl(struct file *f, unsigned int cmd,
 	}
 }
 
-/* Modified in mce-inject.c, so not static or const */
-struct file_operations mce_chrdev_ops = {
+static ssize_t (*mce_write)(struct file *filp, const char __user *ubuf,
+			    size_t usize, loff_t *off);
+
+void register_mce_write_callback(ssize_t (*fn)(struct file *filp,
+			     const char __user *ubuf,
+			     size_t usize, loff_t *off))
+{
+	mce_write = fn;
+}
+EXPORT_SYMBOL_GPL(register_mce_write_callback);
+
+ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf,
+			 size_t usize, loff_t *off)
+{
+	if (mce_write)
+		return mce_write(filp, ubuf, usize, off);
+	else
+		return -EINVAL;
+}
+
+static const struct file_operations mce_chrdev_ops = {
 	.open			= mce_chrdev_open,
 	.release		= mce_chrdev_release,
 	.read			= mce_chrdev_read,
+	.write			= mce_chrdev_write,
 	.poll			= mce_chrdev_poll,
 	.unlocked_ioctl		= mce_chrdev_ioctl,
 	.llseek			= no_llseek,
 };
-EXPORT_SYMBOL_GPL(mce_chrdev_ops);
 
 static struct miscdevice mce_chrdev_device = {
 	MISC_MCELOG_MINOR,
-- 
GitLab


From f1e10354fc2a12773e5e8efcf841380aa57d4aa5 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sat, 5 Nov 2011 14:47:19 +0800
Subject: [PATCH 0216/1594] ASoC: wm9081: Fix reading wrong register for
 setting VMID 2*240k

VMID Divider Enable and Select is controlled by BIT[2:1] of WM9081_VMID_CONTROL
register (04h).
Current code reads wrong register (WM9081_BIAS_CONTROL_1) for setting
VMID 2*240k.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm9081.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c
index 3cd35a02c28c..fe6561885f39 100644
--- a/sound/soc/codecs/wm9081.c
+++ b/sound/soc/codecs/wm9081.c
@@ -818,7 +818,7 @@ static int wm9081_set_bias_level(struct snd_soc_codec *codec,
 		}
 
 		/* VMID 2*240k */
-		reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1);
+		reg = snd_soc_read(codec, WM9081_VMID_CONTROL);
 		reg &= ~WM9081_VMID_SEL_MASK;
 		reg |= 0x04;
 		snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
-- 
GitLab


From adf463626ad8e0a2cdbe17d8bb64c1d9d0ac160d Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sat, 5 Nov 2011 14:49:21 +0800
Subject: [PATCH 0217/1594] ASoC: wm9081: Don't write WM9081_BIAS_ENA bit to
 WM9081_VMID_CONTROL register

WM9081_BIAS_ENA is the bit[1] of WM9081_BIAS_CONTROL_1 register (05h).
Current code incorrectly write it to WM9081_VMID_CONTROL(04h) register.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm9081.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c
index fe6561885f39..4a398c3bfe84 100644
--- a/sound/soc/codecs/wm9081.c
+++ b/sound/soc/codecs/wm9081.c
@@ -807,7 +807,6 @@ static int wm9081_set_bias_level(struct snd_soc_codec *codec,
 			mdelay(100);
 
 			/* Normal bias enable & soft start off */
-			reg |= WM9081_BIAS_ENA;
 			reg &= ~WM9081_VMID_RAMP;
 			snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
 
@@ -830,14 +829,15 @@ static int wm9081_set_bias_level(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_BIAS_OFF:
-		/* Startup bias source */
+		/* Startup bias source and disable bias */
 		reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1);
 		reg |= WM9081_BIAS_SRC;
+		reg &= ~WM9081_BIAS_ENA;
 		snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg);
 
-		/* Disable VMID and biases with soft ramping */
+		/* Disable VMID with soft ramping */
 		reg = snd_soc_read(codec, WM9081_VMID_CONTROL);
-		reg &= ~(WM9081_VMID_SEL_MASK | WM9081_BIAS_ENA);
+		reg &= ~WM9081_VMID_SEL_MASK;
 		reg |= WM9081_VMID_RAMP;
 		snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
 
-- 
GitLab


From 08f2e6312c67fed80df9342e06ad36daf11eb80b Mon Sep 17 00:00:00 2001
From: Ming Lei <tom.leiming@gmail.com>
Date: Tue, 8 Nov 2011 18:29:15 +0800
Subject: [PATCH 0218/1594] iommu: omap: Fix compile failure

Fix compile failure in drivers/iommu/omap-iommu-debug.c
because of missing module.h include.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 drivers/iommu/omap-iommu-debug.c | 1 +
 drivers/iommu/omap-iovmm.c       | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c
index 9c192e79f806..288da5c1499d 100644
--- a/drivers/iommu/omap-iommu-debug.c
+++ b/drivers/iommu/omap-iommu-debug.c
@@ -10,6 +10,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/module.h>
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
diff --git a/drivers/iommu/omap-iovmm.c b/drivers/iommu/omap-iovmm.c
index e8fdb8830f69..46be456fcc00 100644
--- a/drivers/iommu/omap-iovmm.c
+++ b/drivers/iommu/omap-iovmm.c
@@ -10,6 +10,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/module.h>
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
-- 
GitLab


From b52a360b2aa1c59ba9970fb0f52bbb093fcc7a24 Mon Sep 17 00:00:00 2001
From: Carlos Maiolino <cmaiolino@redhat.com>
Date: Mon, 7 Nov 2011 16:10:24 +0000
Subject: [PATCH 0219/1594] xfs: Fix possible memory corruption in xfs_readlink

Fixes a possible memory corruption when the link is larger than
MAXPATHLEN and XFS_DEBUG is not enabled. This also remove the
S_ISLNK assert, since the inode mode is checked previously in
xfs_readlink_by_handle() and via VFS.

Updated to address concerns raised by Ben Hutchings about the loose
attention paid to 32- vs 64-bit values, and the lack of handling a
potentially negative pathlen value:
 - Changed type of "pathlen" to be xfs_fsize_t, to match that of
   ip->i_d.di_size
 - Added checking for a negative pathlen to the too-long pathlen
   test, and generalized the message that gets reported in that case
   to reflect the change
As a result, if a negative pathlen were encountered, this function
would return EFSCORRUPTED (and would fail an assertion for a debug
build)--just as would a too-long pathlen.

Signed-off-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_vnodeops.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 4ecf2a549060..ce9268a2f56b 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -112,7 +112,7 @@ xfs_readlink(
 	char		*link)
 {
 	xfs_mount_t	*mp = ip->i_mount;
-	int		pathlen;
+	xfs_fsize_t	pathlen;
 	int		error = 0;
 
 	trace_xfs_readlink(ip);
@@ -122,13 +122,19 @@ xfs_readlink(
 
 	xfs_ilock(ip, XFS_ILOCK_SHARED);
 
-	ASSERT(S_ISLNK(ip->i_d.di_mode));
-	ASSERT(ip->i_d.di_size <= MAXPATHLEN);
-
 	pathlen = ip->i_d.di_size;
 	if (!pathlen)
 		goto out;
 
+	if (pathlen < 0 || pathlen > MAXPATHLEN) {
+		xfs_alert(mp, "%s: inode (%llu) bad symlink length (%lld)",
+			 __func__, (unsigned long long) ip->i_ino,
+			 (long long) pathlen);
+		ASSERT(0);
+		return XFS_ERROR(EFSCORRUPTED);
+	}
+
+
 	if (ip->i_df.if_flags & XFS_IFINLINE) {
 		memcpy(link, ip->i_df.if_u1.if_data, pathlen);
 		link[pathlen] = '\0';
-- 
GitLab


From 272e42b215c52d32e06bf035c1f6b70baa6716bd Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Fri, 28 Oct 2011 09:54:24 +0000
Subject: [PATCH 0220/1594] xfs: constify xfs_item_ops

The log item ops aren't nessecarily the biggest exploit vector, but marking
them const is easy enough.  Also remove the unused xfs_item_ops_t typedef
while we're at it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_buf_item.c     | 2 +-
 fs/xfs/xfs_dquot_item.c   | 6 +++---
 fs/xfs/xfs_extfree_item.c | 4 ++--
 fs/xfs/xfs_inode_item.c   | 2 +-
 fs/xfs/xfs_log.c          | 2 +-
 fs/xfs/xfs_log.h          | 2 +-
 fs/xfs/xfs_trans.h        | 6 +++---
 7 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 1a3513881bce..eac97ef81e2a 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -656,7 +656,7 @@ xfs_buf_item_committing(
 /*
  * This is the ops vector shared by all buf log items.
  */
-static struct xfs_item_ops xfs_buf_item_ops = {
+static const struct xfs_item_ops xfs_buf_item_ops = {
 	.iop_size	= xfs_buf_item_size,
 	.iop_format	= xfs_buf_item_format,
 	.iop_pin	= xfs_buf_item_pin,
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index bb3f71d236d2..0dee0b71029d 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -295,7 +295,7 @@ xfs_qm_dquot_logitem_committing(
 /*
  * This is the ops vector for dquots
  */
-static struct xfs_item_ops xfs_dquot_item_ops = {
+static const struct xfs_item_ops xfs_dquot_item_ops = {
 	.iop_size	= xfs_qm_dquot_logitem_size,
 	.iop_format	= xfs_qm_dquot_logitem_format,
 	.iop_pin	= xfs_qm_dquot_logitem_pin,
@@ -483,7 +483,7 @@ xfs_qm_qoff_logitem_committing(
 {
 }
 
-static struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
+static const struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
 	.iop_size	= xfs_qm_qoff_logitem_size,
 	.iop_format	= xfs_qm_qoff_logitem_format,
 	.iop_pin	= xfs_qm_qoff_logitem_pin,
@@ -498,7 +498,7 @@ static struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
 /*
  * This is the ops vector shared by all quotaoff-start log items.
  */
-static struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
+static const struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
 	.iop_size	= xfs_qm_qoff_logitem_size,
 	.iop_format	= xfs_qm_qoff_logitem_format,
 	.iop_pin	= xfs_qm_qoff_logitem_pin,
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index d22e62623437..35c2aff38b20 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -217,7 +217,7 @@ xfs_efi_item_committing(
 /*
  * This is the ops vector shared by all efi log items.
  */
-static struct xfs_item_ops xfs_efi_item_ops = {
+static const struct xfs_item_ops xfs_efi_item_ops = {
 	.iop_size	= xfs_efi_item_size,
 	.iop_format	= xfs_efi_item_format,
 	.iop_pin	= xfs_efi_item_pin,
@@ -477,7 +477,7 @@ xfs_efd_item_committing(
 /*
  * This is the ops vector shared by all efd log items.
  */
-static struct xfs_item_ops xfs_efd_item_ops = {
+static const struct xfs_item_ops xfs_efd_item_ops = {
 	.iop_size	= xfs_efd_item_size,
 	.iop_format	= xfs_efd_item_format,
 	.iop_pin	= xfs_efd_item_pin,
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index b7cf21ba240f..abaafdbb3e65 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -795,7 +795,7 @@ xfs_inode_item_committing(
 /*
  * This is the ops vector shared by all buf log items.
  */
-static struct xfs_item_ops xfs_inode_item_ops = {
+static const struct xfs_item_ops xfs_inode_item_ops = {
 	.iop_size	= xfs_inode_item_size,
 	.iop_format	= xfs_inode_item_format,
 	.iop_pin	= xfs_inode_item_pin,
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 2758a6277c52..a14cd89fe465 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -626,7 +626,7 @@ xfs_log_item_init(
 	struct xfs_mount	*mp,
 	struct xfs_log_item	*item,
 	int			type,
-	struct xfs_item_ops	*ops)
+	const struct xfs_item_ops *ops)
 {
 	item->li_mountp = mp;
 	item->li_ailp = mp->m_ail;
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 78c9039994af..3f7bf451c034 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -137,7 +137,7 @@ struct xfs_trans;
 void	xfs_log_item_init(struct xfs_mount	*mp,
 			struct xfs_log_item	*item,
 			int			type,
-			struct xfs_item_ops	*ops);
+			const struct xfs_item_ops *ops);
 
 xfs_lsn_t xfs_log_done(struct xfs_mount *mp,
 		       struct xlog_ticket *ticket,
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 603f3eb52041..3ae713c0abd9 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -326,7 +326,7 @@ typedef struct xfs_log_item {
 						 struct xfs_log_item *);
 							/* buffer item iodone */
 							/* callback func */
-	struct xfs_item_ops		*li_ops;	/* function list */
+	const struct xfs_item_ops	*li_ops;	/* function list */
 
 	/* delayed logging */
 	struct list_head		li_cil;		/* CIL pointers */
@@ -341,7 +341,7 @@ typedef struct xfs_log_item {
 	{ XFS_LI_IN_AIL,	"IN_AIL" }, \
 	{ XFS_LI_ABORTED,	"ABORTED" }
 
-typedef struct xfs_item_ops {
+struct xfs_item_ops {
 	uint (*iop_size)(xfs_log_item_t *);
 	void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
 	void (*iop_pin)(xfs_log_item_t *);
@@ -352,7 +352,7 @@ typedef struct xfs_item_ops {
 	void (*iop_push)(xfs_log_item_t *);
 	bool (*iop_pushbuf)(xfs_log_item_t *);
 	void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
-} xfs_item_ops_t;
+};
 
 #define IOP_SIZE(ip)		(*(ip)->li_ops->iop_size)(ip)
 #define IOP_FORMAT(ip,vp)	(*(ip)->li_ops->iop_format)(ip, vp)
-- 
GitLab


From 810627d9a6d0e8820c798001875bc4e1b7754ebf Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 8 Nov 2011 08:56:15 +0000
Subject: [PATCH 0221/1594] xfs: fix force shutdown handling in xfs_end_io

Ensure ioend->io_error gets propagated back to e.g. AIO completions.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/xfs_aops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 33b13310ee0c..574d4ee9b625 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -189,7 +189,7 @@ xfs_end_io(
 	int		error = 0;
 
 	if (XFS_FORCED_SHUTDOWN(ip->i_mount)) {
-		error = -EIO;
+		ioend->io_error = -EIO;
 		goto done;
 	}
 	if (ioend->io_error)
-- 
GitLab


From dcaaf9f2c16b56f8bb316881fcd3f15c18fc71e7 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 8 Nov 2011 17:50:27 +0100
Subject: [PATCH 0222/1594] ALSA: usb-audio - Fix the missing volume quirks at
 delayed init

In the recent usb-audio driver, the initialization of volume ranges
may be delayed when the device doesn't respond well at the probing time.
But the volume quirks for certain devices are applied only in
mixer_ctl_feature_info() thus only at the very first probe and will be
missing when the volume range is initialized later.

This patch moves the volume quirk code to be always called from the
volume-range extraction (get_min_max()), so that the quirks are properly
applied in the later init time.

Reported-and-tested-by: Alexey Fisher <bug-track@fisher-privat.net>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/mixer.c | 109 +++++++++++++++++++++++++---------------------
 1 file changed, 59 insertions(+), 50 deletions(-)

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 60f65ace7474..c5444e00f0c6 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -765,10 +765,60 @@ static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
  * interface to ALSA control for feature/mixer units
  */
 
+/* volume control quirks */
+static void volume_control_quirks(struct usb_mixer_elem_info *cval,
+				  struct snd_kcontrol *kctl)
+{
+	switch (cval->mixer->chip->usb_id) {
+	case USB_ID(0x0471, 0x0101):
+	case USB_ID(0x0471, 0x0104):
+	case USB_ID(0x0471, 0x0105):
+	case USB_ID(0x0672, 0x1041):
+	/* quirk for UDA1321/N101.
+	 * note that detection between firmware 2.1.1.7 (N101)
+	 * and later 2.1.1.21 is not very clear from datasheets.
+	 * I hope that the min value is -15360 for newer firmware --jk
+	 */
+		if (!strcmp(kctl->id.name, "PCM Playback Volume") &&
+		    cval->min == -15616) {
+			snd_printk(KERN_INFO
+				 "set volume quirk for UDA1321/N101 chip\n");
+			cval->max = -256;
+		}
+		break;
+
+	case USB_ID(0x046d, 0x09a4):
+		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+			snd_printk(KERN_INFO
+				"set volume quirk for QuickCam E3500\n");
+			cval->min = 6080;
+			cval->max = 8768;
+			cval->res = 192;
+		}
+		break;
+
+	case USB_ID(0x046d, 0x0808):
+	case USB_ID(0x046d, 0x0809):
+	case USB_ID(0x046d, 0x0991):
+	/* Most audio usb devices lie about volume resolution.
+	 * Most Logitech webcams have res = 384.
+	 * Proboly there is some logitech magic behind this number --fishor
+	 */
+		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+			snd_printk(KERN_INFO
+				"set resolution quirk: cval->res = 384\n");
+			cval->res = 384;
+		}
+		break;
+
+	}
+}
+
 /*
  * retrieve the minimum and maximum values for the specified control
  */
-static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
+static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval,
+				   int default_min, struct snd_kcontrol *kctl)
 {
 	/* for failsafe */
 	cval->min = default_min;
@@ -844,6 +894,9 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
 		cval->initialized = 1;
 	}
 
+	if (kctl)
+		volume_control_quirks(cval, kctl);
+
 	/* USB descriptions contain the dB scale in 1/256 dB unit
 	 * while ALSA TLV contains in 1/100 dB unit
 	 */
@@ -864,6 +917,7 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
 	return 0;
 }
 
+#define get_min_max(cval, def)	get_min_max_with_quirks(cval, def, NULL)
 
 /* get a feature/mixer unit info */
 static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
@@ -882,7 +936,7 @@ static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_
 		uinfo->value.integer.max = 1;
 	} else {
 		if (!cval->initialized) {
-			get_min_max(cval, 0);
+			get_min_max_with_quirks(cval, 0, kcontrol);
 			if (cval->initialized && cval->dBmin >= cval->dBmax) {
 				kcontrol->vd[0].access &= 
 					~(SNDRV_CTL_ELEM_ACCESS_TLV_READ |
@@ -1045,9 +1099,6 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
 		cval->ch_readonly = readonly_mask;
 	}
 
-	/* get min/max values */
-	get_min_max(cval, 0);
-
 	/* if all channels in the mask are marked read-only, make the control
 	 * read-only. set_cur_mix_value() will check the mask again and won't
 	 * issue write commands to read-only channels. */
@@ -1069,6 +1120,9 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
 		len = snd_usb_copy_string_desc(state, nameid,
 				kctl->id.name, sizeof(kctl->id.name));
 
+	/* get min/max values */
+	get_min_max_with_quirks(cval, 0, kctl);
+
 	switch (control) {
 	case UAC_FU_MUTE:
 	case UAC_FU_VOLUME:
@@ -1118,51 +1172,6 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
 		break;
 	}
 
-	/* volume control quirks */
-	switch (state->chip->usb_id) {
-	case USB_ID(0x0471, 0x0101):
-	case USB_ID(0x0471, 0x0104):
-	case USB_ID(0x0471, 0x0105):
-	case USB_ID(0x0672, 0x1041):
-	/* quirk for UDA1321/N101.
-	 * note that detection between firmware 2.1.1.7 (N101)
-	 * and later 2.1.1.21 is not very clear from datasheets.
-	 * I hope that the min value is -15360 for newer firmware --jk
-	 */
-		if (!strcmp(kctl->id.name, "PCM Playback Volume") &&
-		    cval->min == -15616) {
-			snd_printk(KERN_INFO
-				 "set volume quirk for UDA1321/N101 chip\n");
-			cval->max = -256;
-		}
-		break;
-
-	case USB_ID(0x046d, 0x09a4):
-		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-			snd_printk(KERN_INFO
-				"set volume quirk for QuickCam E3500\n");
-			cval->min = 6080;
-			cval->max = 8768;
-			cval->res = 192;
-		}
-		break;
-
-	case USB_ID(0x046d, 0x0808):
-	case USB_ID(0x046d, 0x0809):
-	case USB_ID(0x046d, 0x0991):
-	/* Most audio usb devices lie about volume resolution.
-	 * Most Logitech webcams have res = 384.
-	 * Proboly there is some logitech magic behind this number --fishor
-	 */
-		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-			snd_printk(KERN_INFO
-				"set resolution quirk: cval->res = 384\n");
-			cval->res = 384;
-		}
-		break;
-
-	}
-
 	range = (cval->max - cval->min) / cval->res;
 	/* Are there devices with volume range more than 255? I use a bit more
 	 * to be sure. 384 is a resolution magic number found on Logitech
-- 
GitLab


From eca55f4d9c1d918c2aa95fb8a73a34e2ba8a1b11 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <marc.zyngier@arm.com>
Date: Tue, 8 Nov 2011 13:07:36 +0000
Subject: [PATCH 0223/1594] ARM: msm: fix compilation flags for MSM_SCM

CONFIG_MSM_SCM uses the smc instruction, which with some
toolchains requires a ".arch_extension" directive.

Cc: David Brown <davidb@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: David Brown <davidb@codeaurora.org>
---
 arch/arm/mach-msm/Makefile | 2 ++
 arch/arm/mach-msm/scm.c    | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 4285dfd80b6f..4ad3969b9881 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -15,6 +15,8 @@ obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o
 obj-$(CONFIG_MSM_SMD) += last_radio_log.o
 obj-$(CONFIG_MSM_SCM) += scm.o scm-boot.o
 
+CFLAGS_scm.o :=$(call as-instr,.arch_extension sec,-DREQUIRES_SEC=1)
+
 obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
 obj-$(CONFIG_SMP) += headsmp.o platsmp.o
 
diff --git a/arch/arm/mach-msm/scm.c b/arch/arm/mach-msm/scm.c
index 232f97a04504..bafabb502580 100644
--- a/arch/arm/mach-msm/scm.c
+++ b/arch/arm/mach-msm/scm.c
@@ -180,6 +180,9 @@ static u32 smc(u32 cmd_addr)
 			__asmeq("%1", "r0")
 			__asmeq("%2", "r1")
 			__asmeq("%3", "r2")
+#ifdef REQUIRES_SEC
+			".arch_extension sec\n"
+#endif
 			"smc	#0	@ switch to secure world\n"
 			: "=r" (r0)
 			: "r" (r0), "r" (r1), "r" (r2)
-- 
GitLab


From 10953db8e1a278742ef7e64a3d1491802bcfa98b Mon Sep 17 00:00:00 2001
From: hayeswang <hayeswang@realtek.com>
Date: Mon, 7 Nov 2011 20:44:37 +0000
Subject: [PATCH 0224/1594] r8169: increase the delay parameter of
 pm_schedule_suspend

The link down would occur when reseting PHY. And it would take about 2 ~ 5 seconds
from link down to link up. If the delay of pm_schedule_suspend is not long enough,
the device would enter runtime_suspend before link up. After link up, the device
would wake up and reset PHY again. Then, you would find the driver keep in a loop
of runtime_suspend and rumtime_resume.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/realtek/r8169.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 92b45f08858f..6f06aa10f0d7 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1292,7 +1292,7 @@ static void __rtl8169_check_link_status(struct net_device *dev,
 		netif_carrier_off(dev);
 		netif_info(tp, ifdown, dev, "link down\n");
 		if (pm)
-			pm_schedule_suspend(&tp->pci_dev->dev, 100);
+			pm_schedule_suspend(&tp->pci_dev->dev, 5000);
 	}
 	spin_unlock_irqrestore(&tp->lock, flags);
 }
-- 
GitLab


From c457338d7acd3823e765b684a62294cfda9d2f55 Mon Sep 17 00:00:00 2001
From: Brian Haley <brian.haley@hp.com>
Date: Tue, 8 Nov 2011 04:41:42 +0000
Subject: [PATCH 0225/1594] ipv6: drop packets when source address is multicast

RFC 4291 Section 2.7 says Multicast addresses must not be used as source
addresses in IPv6 packets - drop them on input so we don't process the
packet further.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Reported-and-Tested-by: Kumar Sanghvi <divinekumar@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ip6_input.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 027c7ff6f1e5..a46c64eb0a66 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -111,6 +111,14 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
 	    ipv6_addr_loopback(&hdr->daddr))
 		goto err;
 
+	/*
+	 * RFC4291 2.7
+	 * Multicast addresses must not be used as source addresses in IPv6
+	 * packets or appear in any Routing header.
+	 */
+	if (ipv6_addr_is_multicast(&hdr->saddr))
+		goto err;
+
 	skb->transport_header = skb->network_header + sizeof(*hdr);
 	IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
 
-- 
GitLab


From ea1649dea95fb270af94f75e842402c4cfbfc15f Mon Sep 17 00:00:00 2001
From: Nico Erfurth <ne@erfurth.eu>
Date: Tue, 8 Nov 2011 07:30:40 +0000
Subject: [PATCH 0226/1594] Fix incorrect usage of NET_IP_ALIGN

The driver used NET_IP_ALIGN to remove some additional padding inside of
the rx_fixup function. On many architectures NET_IP_ALIGN defaults to 2
which removed the correct amount of bytes.

On MCORE2-machines commit ea812ca1b06113597adcd8e70c0f84a413d97544
introduces a change which sets NET_IP_ALIGN to 0 by default. Which
triggered the bug on these machines.

This fix introduces a new RXW_PADDING define and uses this instead of
NET_IP_ALIGN. The name was taken from the original SMSC7500 driver which
is provided by SMSC.

Signed-off-by: Nico Erfurth <ne@erfurth.eu>
Tested-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/smsc75xx.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 22a7cf951e72..a5b9b12ef268 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -51,6 +51,7 @@
 #define USB_VENDOR_ID_SMSC		(0x0424)
 #define USB_PRODUCT_ID_LAN7500		(0x7500)
 #define USB_PRODUCT_ID_LAN7505		(0x7505)
+#define RXW_PADDING			2
 
 #define check_warn(ret, fmt, args...) \
 	({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); })
@@ -1088,13 +1089,13 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 
 		memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b));
 		le32_to_cpus(&rx_cmd_b);
-		skb_pull(skb, 4 + NET_IP_ALIGN);
+		skb_pull(skb, 4 + RXW_PADDING);
 
 		packet = skb->data;
 
 		/* get the packet length */
-		size = (rx_cmd_a & RX_CMD_A_LEN) - NET_IP_ALIGN;
-		align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
+		size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
+		align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;
 
 		if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
 			netif_dbg(dev, rx_err, dev->net,
-- 
GitLab


From 4f1a1eb530071c39fb239fd26c912a64284b1408 Mon Sep 17 00:00:00 2001
From: Al Cooper <alcooperx@gmail.com>
Date: Tue, 8 Nov 2011 09:59:01 -0500
Subject: [PATCH 0227/1594] MIPS: Kernel hangs occasionally during boot.

The Kernel hangs occasionally during boot after "Calibrating delay loop..".
This is caused by the c0_compare_int_usable() routine in cevt-r4k.c
returning false which causes the system to disable the timer and hang later.
The false return happens because the routine is using a series of four calls
to irq_disable_hazard() as a delay while it waits for the timer changes to
propagate to the cp0 cause register. On newer MIPS cores, like the 74K, the
series of irq_disable_hazard() calls turn into ehb instructions and can take
as little as a few clock ticks for all 4 instructions. This is not enough of
a delay, so the routine thinks the timer is not working.  This fix uses up
to a max number of cycle counter ticks for the delay and uses
back_to_back_c0_hazard() instead of irq_disable_hazard() to handle the
hazard condition between cp0 writes and cp0 reads.

Signed-off-by: Al Cooper <alcooperx@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/2911/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/cevt-r4k.c | 38 ++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 98c5a9737c14..e2d8e199be32 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -103,19 +103,10 @@ static int c0_compare_int_pending(void)
 
 /*
  * Compare interrupt can be routed and latched outside the core,
- * so a single execution hazard barrier may not be enough to give
- * it time to clear as seen in the Cause register.  4 time the
- * pipeline depth seems reasonably conservative, and empirically
- * works better in configurations with high CPU/bus clock ratios.
+ * so wait up to worst case number of cycle counter ticks for timer interrupt
+ * changes to propagate to the cause register.
  */
-
-#define compare_change_hazard() \
-	do { \
-		irq_disable_hazard(); \
-		irq_disable_hazard(); \
-		irq_disable_hazard(); \
-		irq_disable_hazard(); \
-	} while (0)
+#define COMPARE_INT_SEEN_TICKS 50
 
 int c0_compare_int_usable(void)
 {
@@ -126,8 +117,12 @@ int c0_compare_int_usable(void)
 	 * IP7 already pending?  Try to clear it by acking the timer.
 	 */
 	if (c0_compare_int_pending()) {
-		write_c0_compare(read_c0_count());
-		compare_change_hazard();
+		cnt = read_c0_count();
+		write_c0_compare(cnt);
+		back_to_back_c0_hazard();
+		while (read_c0_count() < (cnt  + COMPARE_INT_SEEN_TICKS))
+			if (!c0_compare_int_pending())
+				break;
 		if (c0_compare_int_pending())
 			return 0;
 	}
@@ -136,7 +131,7 @@ int c0_compare_int_usable(void)
 		cnt = read_c0_count();
 		cnt += delta;
 		write_c0_compare(cnt);
-		compare_change_hazard();
+		back_to_back_c0_hazard();
 		if ((int)(read_c0_count() - cnt) < 0)
 		    break;
 		/* increase delta if the timer was already expired */
@@ -145,12 +140,17 @@ int c0_compare_int_usable(void)
 	while ((int)(read_c0_count() - cnt) <= 0)
 		;	/* Wait for expiry  */
 
-	compare_change_hazard();
+	while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS))
+		if (c0_compare_int_pending())
+			break;
 	if (!c0_compare_int_pending())
 		return 0;
-
-	write_c0_compare(read_c0_count());
-	compare_change_hazard();
+	cnt = read_c0_count();
+	write_c0_compare(cnt);
+	back_to_back_c0_hazard();
+	while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS))
+		if (!c0_compare_int_pending())
+			break;
 	if (c0_compare_int_pending())
 		return 0;
 
-- 
GitLab


From a8d12007c795f3d69ee0b2d29f0abfefd55c6120 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Tue, 8 Nov 2011 18:02:10 +0000
Subject: [PATCH 0228/1594] n_gsm: Fix timings

Alek Du reported that the code erroneously applies time to jiffies
conversions twice to the t1 and t2 values. In normal use on a modem link
this cases no visible problem but on a slower link it will break as with
HZ=1000 as is typical we are running t1/t2 ten times too fast.

Alek's original patch removed the conversion from the timer setting but we
in fact have to be more careful as the contents of t1/t2 are visible via
the device API and we thus need to correct the constants.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/tty/n_gsm.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 4cb0d0a3e57b..fc7bbba585ce 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -66,14 +66,16 @@
 static int debug;
 module_param(debug, int, 0600);
 
-#define T1	(HZ/10)
-#define T2	(HZ/3)
-#define N2	3
+/* Defaults: these are from the specification */
+
+#define T1	10		/* 100mS */
+#define T2	34		/* 333mS */
+#define N2	3		/* Retry 3 times */
 
 /* Use long timers for testing at low speed with debug on */
 #ifdef DEBUG_TIMING
-#define T1	HZ
-#define T2	(2 * HZ)
+#define T1	100
+#define T2	200
 #endif
 
 /*
-- 
GitLab


From 71e63e748ee6f4bad482b8021386eeb74f6e47f1 Mon Sep 17 00:00:00 2001
From: Ulf Hansson <ulf.hansson@stericsson.com>
Date: Fri, 4 Nov 2011 08:10:09 +0100
Subject: [PATCH 0229/1594] ARM: 7149/1: spi/pl022: Enable clock in probe

Make sure we enable the clock before leaving probe.

Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/spi/spi-pl022.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index f103e470cb63..5559b2299198 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2184,6 +2184,12 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 		goto  err_clk_prep;
 	}
 
+	status = clk_enable(pl022->clk);
+	if (status) {
+		dev_err(&adev->dev, "could not enable SSP/SPI bus clock\n");
+		goto err_no_clk_en;
+	}
+
 	/* Disable SSP */
 	writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
 	       SSP_CR1(pl022->virtbase));
@@ -2237,6 +2243,8 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 
 	free_irq(adev->irq[0], pl022);
  err_no_irq:
+	clk_disable(pl022->clk);
+ err_no_clk_en:
 	clk_unprepare(pl022->clk);
  err_clk_prep:
 	clk_put(pl022->clk);
-- 
GitLab


From 8428e84d42179c2a00f5f6450866e70d802d1d05 Mon Sep 17 00:00:00 2001
From: Catalin Marinas <catalin.marinas@arm.com>
Date: Mon, 7 Nov 2011 18:05:53 +0100
Subject: [PATCH 0230/1594] ARM: 7150/1: Allow kernel unaligned accesses on
 ARMv6+ processors

Recent gcc versions generate unaligned accesses by default on ARMv6 and
later processors. This patch ensures that the SCTLR.A bit is always
cleared on such processors to avoid kernel traping before
alignment_init() is called.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: John Linn <John.Linn@xilinx.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/head.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 566c54c2a1fe..08c82fd844a8 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -360,7 +360,7 @@ __secondary_data:
  *  r13 = *virtual* address to jump to upon completion
  */
 __enable_mmu:
-#ifdef CONFIG_ALIGNMENT_TRAP
+#if defined(CONFIG_ALIGNMENT_TRAP) && __LINUX_ARM_ARCH__ < 6
 	orr	r0, r0, #CR_A
 #else
 	bic	r0, r0, #CR_A
-- 
GitLab


From 5f300acd8ae9f3d4585154370012ffc5c665330f Mon Sep 17 00:00:00 2001
From: Dirk B <dirk.behme@googlemail.com>
Date: Tue, 8 Nov 2011 18:16:39 +0100
Subject: [PATCH 0231/1594] ARM: 7152/1: distclean: Remove generated .dtb files

The patch 'arm/dt: Add dtb make rule' adds support to
create a .dtb file. But this is never removed afterwards.
Remove the generated .dtb file if 'distclean' is called.

Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Shawn Guo <shawn.guo@freescale.com>
Cc: Jason Liu <jason.hui@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/boot/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 176062ac7f07..5df26a9976a2 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -65,6 +65,8 @@ $(obj)/%.dtb: $(src)/dts/%.dts
 
 $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
 
+clean-files := *.dtb
+
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
 		   -C none -a $(LOADADDR) -e $(STARTADDR) \
-- 
GitLab


From 042f36e1560cedfe524607791fa44607a3121f63 Mon Sep 17 00:00:00 2001
From: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Date: Tue, 8 Nov 2011 13:27:31 -0500
Subject: [PATCH 0232/1594] IB/qib: Don't use schedule_work()

It was mistakenly introduced by dde05cbdf8b1 ("IB/qib: Hold links
until tuning data is available").

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/hw/qib/qib_iba7322.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 5bd2162b95dc..8b46b608c02f 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -5241,7 +5241,7 @@ static int qib_7322_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
 			   off */
 			if (ppd->dd->flags & QIB_HAS_QSFP) {
 				qd->t_insert = get_jiffies_64();
-				schedule_work(&qd->work);
+				queue_work(ib_wq, &qd->work);
 			}
 			spin_lock_irqsave(&ppd->sdma_lock, flags);
 			if (__qib_sdma_running(ppd))
-- 
GitLab


From e50e705ca71db82a78a3e13fb7abf6b2171ac9c7 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 8 Nov 2011 13:59:44 -0500
Subject: [PATCH 0233/1594] l2tp: fix l2tp_udp_recv_core()

pskb_may_pull() can change skb->data, so we have to load ptr/optr at the
right place.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/l2tp/l2tp_core.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index bf8d50c67931..cf0f308abf5e 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -756,9 +756,6 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb,
 		goto error;
 	}
 
-	/* Point to L2TP header */
-	optr = ptr = skb->data;
-
 	/* Trace packet contents, if enabled */
 	if (tunnel->debug & L2TP_MSG_DATA) {
 		length = min(32u, skb->len);
@@ -769,12 +766,15 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb,
 
 		offset = 0;
 		do {
-			printk(" %02X", ptr[offset]);
+			printk(" %02X", skb->data[offset]);
 		} while (++offset < length);
 
 		printk("\n");
 	}
 
+	/* Point to L2TP header */
+	optr = ptr = skb->data;
+
 	/* Get L2TP header flags */
 	hdrflags = ntohs(*(__be16 *) ptr);
 
-- 
GitLab


From 59caa5612ce916c4902c753aa61429eb76ac2b21 Mon Sep 17 00:00:00 2001
From: oftedal <oftedal@gmail.com>
Date: Mon, 7 Nov 2011 11:47:53 +0000
Subject: [PATCH 0234/1594] sunhme: Allow usage on SBI based SBus systems

To prevent the SBus driver for Sun Happy Meal cards from being loaded for
PCI cards utilizing the same chipset, a filter was added to the probe
function in commit 0b492fce3d72d982a7981905f85484a1e1ba7fde.

The filter was implemented by checking the name of the parent node in
the OF tree. This patch extends this filter, so that the driver will
load on SBus systems that are based upon SBI SBus Bridges.

Signed-off-by: Kjetil Oftedal <oftedal@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/sun/sunhme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
index c517dac02ae1..cf14ab9db576 100644
--- a/drivers/net/ethernet/sun/sunhme.c
+++ b/drivers/net/ethernet/sun/sunhme.c
@@ -2637,7 +2637,7 @@ static int __devinit happy_meal_sbus_probe_one(struct platform_device *op, int i
 	sbus_dp = op->dev.parent->of_node;
 
 	/* We can match PCI devices too, do not accept those here. */
-	if (strcmp(sbus_dp->name, "sbus"))
+	if (strcmp(sbus_dp->name, "sbus") && strcmp(sbus_dp->name, "sbi"))
 		return err;
 
 	if (is_qfe) {
-- 
GitLab


From 6d67e9beb68bc6712b042c9723cecc87dc8e3f4c Mon Sep 17 00:00:00 2001
From: Feng King <kinwin2008@gmail.com>
Date: Sat, 5 Nov 2011 04:23:23 +0000
Subject: [PATCH 0235/1594] tcp: Fix comments for Nagle algorithm

TCP_NODELAY is weaker than TCP_CORK, when TCP_CORK was set, small
segments will always pass Nagle test regardless of TCP_NODELAY option.

Signed-off-by: Feng King <kinwin2008@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_output.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 980b98f6288c..63170e297540 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1382,7 +1382,7 @@ static inline int tcp_minshall_check(const struct tcp_sock *tp)
 /* Return 0, if packet can be sent now without violation Nagle's rules:
  * 1. It is full sized.
  * 2. Or it contains FIN. (already checked by caller)
- * 3. Or TCP_NODELAY was set.
+ * 3. Or TCP_CORK is not set, and TCP_NODELAY is set.
  * 4. Or TCP_CORK is not set, and all sent packets are ACKed.
  *    With Minshall's modification: all sent small packets are ACKed.
  */
-- 
GitLab


From 20db93c34095553a01a9c31136658917bf1fa5d5 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 8 Nov 2011 14:21:44 -0500
Subject: [PATCH 0236/1594] net: min_pmtu default is 552

Small fix in Documentation, since min_pmtu is 512 + 20 + 20 = 552

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/ip-sysctl.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index cb7f3148035d..f049a1ca186f 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -20,7 +20,7 @@ ip_no_pmtu_disc - BOOLEAN
 	default FALSE
 
 min_pmtu - INTEGER
-	default 562 - minimum discovered Path MTU
+	default 552 - minimum discovered Path MTU
 
 route/max_size - INTEGER
 	Maximum number of routes allowed in the kernel.  Increase
-- 
GitLab


From 2bc8ca40f951163b3bb75949479e2755c12c1b96 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Tue, 11 Oct 2011 01:12:02 +0000
Subject: [PATCH 0237/1594] ipv4: Fix inetpeer expire time information

As we update the learned pmtu informations on demand, we might
report a nagative expiration time value to userspace if the
pmtu informations are already expired and we have not send a
packet to that inetpeer after expiration. With this patch we
send a expire time of null to userspace after expiration
until the next packet is send to that inetpeer.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 155138d8ec8b..511f4a75149c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2845,7 +2845,7 @@ static int rt_fill_info(struct net *net,
 	struct rtable *rt = skb_rtable(skb);
 	struct rtmsg *r;
 	struct nlmsghdr *nlh;
-	long expires = 0;
+	unsigned long expires = 0;
 	const struct inet_peer *peer = rt->peer;
 	u32 id = 0, ts = 0, tsage = 0, error;
 
@@ -2902,8 +2902,12 @@ static int rt_fill_info(struct net *net,
 			tsage = get_seconds() - peer->tcp_ts_stamp;
 		}
 		expires = ACCESS_ONCE(peer->pmtu_expires);
-		if (expires)
-			expires -= jiffies;
+		if (expires) {
+			if (time_before(jiffies, expires))
+				expires -= jiffies;
+			else
+				expires = 0;
+		}
 	}
 
 	if (rt_is_input_route(rt)) {
-- 
GitLab


From 917c16b2b69fc2eeb432eabca73258f08c58361e Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 8 Nov 2011 14:49:59 -0500
Subject: [PATCH 0238/1594] Btrfs: fix oops on NULL trans handle in
 btrfs_truncate

If we fail to reserve space in the transaction during truncate, we can
error out with a NULL trans handle.  The cleanup code needs an extra
check to make sure we aren't trying to use the bad handle.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 9d0eaa57d4ee..f60e2490bd0d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6529,14 +6529,16 @@ end_trans:
 		ret = btrfs_orphan_del(NULL, inode);
 	}
 
-	trans->block_rsv = &root->fs_info->trans_block_rsv;
-	ret = btrfs_update_inode(trans, root, inode);
-	if (ret && !err)
-		err = ret;
+	if (trans) {
+		trans->block_rsv = &root->fs_info->trans_block_rsv;
+		ret = btrfs_update_inode(trans, root, inode);
+		if (ret && !err)
+			err = ret;
 
-	nr = trans->blocks_used;
-	ret = btrfs_end_transaction_throttle(trans, root);
-	btrfs_btree_balance_dirty(root, nr);
+		nr = trans->blocks_used;
+		ret = btrfs_end_transaction_throttle(trans, root);
+		btrfs_btree_balance_dirty(root, nr);
+	}
 
 out:
 	btrfs_free_block_rsv(root, rsv);
-- 
GitLab


From 6aec187a90aeb883533c9180e2acac1e54c87f7d Mon Sep 17 00:00:00 2001
From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Tue, 8 Nov 2011 14:56:50 -0500
Subject: [PATCH 0239/1594] drivers/media: video/a5k6aa is a module and so
 needs module.h

This file uses core functions like module_init() and module_exit()
and so it explicitly needs to include the module.h header.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 drivers/media/video/s5k6aa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/s5k6aa.c b/drivers/media/video/s5k6aa.c
index 2446736b7871..0df7f2a41814 100644
--- a/drivers/media/video/s5k6aa.c
+++ b/drivers/media/video/s5k6aa.c
@@ -19,6 +19,7 @@
 #include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <linux/media.h>
+#include <linux/module.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 
-- 
GitLab


From c26887d2a48600bfa87a27ce41ff78828bd7243c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 8 Nov 2011 09:20:07 +0100
Subject: [PATCH 0240/1594] cfg80211: fix missing kernel-doc

Two new struct members were not documented, fix that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/cfg80211.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 92cf1c2c30c9..95852e36713b 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -456,6 +456,9 @@ enum station_parameters_apply_mask {
  *	as the AC bitmap in the QoS info field
  * @max_sp: max Service Period. same format as the MAX_SP in the
  *	QoS info field (but already shifted down)
+ * @sta_modify_mask: bitmap indicating which parameters changed
+ *	(for those that don't have a natural "no change" value),
+ *	see &enum station_parameters_apply_mask
  */
 struct station_parameters {
 	u8 *supported_rates;
@@ -615,6 +618,7 @@ struct sta_bss_parameters {
  *	user space MLME/SME implementation. The information is provided for
  *	the cfg80211_new_sta() calls to notify user space of the IEs.
  * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
+ * @sta_flags: station flags mask & values
  */
 struct station_info {
 	u32 filled;
-- 
GitLab


From a59be0811c322f80aaa886b144239393efece42d Mon Sep 17 00:00:00 2001
From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Tue, 8 Nov 2011 14:01:13 +0100
Subject: [PATCH 0241/1594] ath: Fix NULL ptr dereference in
 ath_reg_apply_world_flags

This happens with devices using a regulatory domain 0x68 that are only
5Ghz capable because ath_reg_apply_active_scan_flags assumes that we
always have a 2,4Ghz band.

CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 82cd838c, ra == 82cd8384
Oops[#1]:
Cpu 0
$ 0 : 00000000 00000061 00000003 00000024
$ 4 : 00000003 000016c1 82f900ac 00000024
$ 8 : 00000000 82cda304 0058bad8 00000005
$12 : 005908f8 001e8481 00000003 1dcd6500
$16 : 00000002 00000000 82c700c0 82c700c0
$20 : 82d415e4 82c70d64 82c70200 82c715bc
$24 : 00000000 11e1a300
$28 : 82ce2000 82ce3c70 82c715a8 82cd8384
Hi : 00000000
Lo : 0000001e
epc : 82cd838c ath_reg_apply_world_flags+0x78/0x17c [ath]
Not tainted
ra : 82cd8384 ath_reg_apply_world_flags+0x70/0x17c [ath]
Status: 1000d403 KERNEL EXL IE
Cause : 80800008
BadVA : 00000000
PrId : 00019374 (MIPS 24Kc)
Modules linked in: ath9k(+) ath9k_common ath9k_hw ath mac80211 cfg80211
	compat_firmware_class compat arc4 aes_generic deflate ecb cbc
	leds_gpio button_hotplug gpio_buttons input_polldev ie
Process insmod (pid: 464, threadinfo=82ce2000, task=838b31d8, tls=00000000)
Stack : 00000000 00000002 82f900ac 82c700c0 82d415e4 82c70d64 00000000 00000068
82f900ac 82cd88f4 82c700c0 82cda304 00000001 000020f0 82f90000 82c70d40
00000002 82f90000 82f900ac 82d4207c 82d518a0 00000002 7fee6118 8017c0d8
00000008 8397ba00 82c70d40 00000000 82c70200 83813000 83813058 b0010000
82d518a0 00000002 7fee6118 82d4b8c8 83445cc0 80120dc0 83804000 800eeda0
...
Call Trace:
[<82cd838c>] ath_reg_apply_world_flags+0x78/0x17c [ath]
[<82cd88f4>] ath_regd_init+0x464/0x488 [ath]
[<82d4207c>] ath9k_init_device+0x6a4/0x6b4 [ath9k]
[<82d4b8c8>] ath_pci_probe+0x27c/0x358 [ath9k]
[<80181de0>] pci_device_probe+0x64/0xa4
[<8019e874>] driver_probe_device+0xb8/0x190
[<8019e9b8>] __driver_attach+0x6c/0xa4
[<8019dfc0>] bus_for_each_dev+0x60/0xb0
[<8019d744>] bus_add_driver+0xc4/0x25c
[<8019ed6c>] driver_register+0xe0/0x198
[<8018206c>] __pci_register_driver+0x50/0xe0
[<82dd0010>] ath9k_init+0x10/0x54 [ath9k]
[<8006b4a0>] do_one_initcall+0x68/0x1ec
[<800a901c>] sys_init_module+0xec/0x23c
[<80062544>] stack_done+0x20/0x3c

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/regd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 028310f263c8..f1be57f0f5bb 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -253,6 +253,8 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
 	int r;
 
 	sband = wiphy->bands[IEEE80211_BAND_2GHZ];
+	if (!sband)
+		return;
 
 	/*
 	 * If no country IE has been received always enable active scan
-- 
GitLab


From cc438fccd5783c9f7b4c4858358ac897dcf8a58d Mon Sep 17 00:00:00 2001
From: Eyal Shapira <eyal@wizery.com>
Date: Tue, 8 Nov 2011 15:54:46 +0200
Subject: [PATCH 0242/1594] wl12xx: fix wl12xx_scan_sched_scan_ssid_list()
 check that all given ssids are in filters

A minor fix for the check that verifies that all given SSIDs (in req) exist
in the filters (the match sets)

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Acked-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/scan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index 128ccb79318c..fc29c671cf3b 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -559,7 +559,7 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl,
 						break;
 					}
 				/* Fail if SSID isn't present in the filters */
-				if (j == req->n_ssids) {
+				if (j == cmd->n_ssids) {
 					ret = -EINVAL;
 					goto out_free;
 				}
-- 
GitLab


From b9c913f327ccc5cf422b6dc9b5acfbc9b86e7b62 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 8 Nov 2011 12:17:25 -0800
Subject: [PATCH 0243/1594] x86 platform drivers: make Dell laptop driver
 select needed LED support

Otherwise we get compile errors like this:

  ERROR: "led_classdev_unregister" [drivers/platform/x86/dell-laptop.ko] undefined!
  ERROR: "led_classdev_register" [drivers/platform/x86/dell-laptop.ko] undefined!
  make[1]: *** [__modpost] Error 1
  make: *** [modules] Error 2

when the dell-laptop support is enabled without the necessary LED
support being enabled.

Reported-by: Alessandro Suardi <alessandro.suardi@gmail.com>
Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/platform/x86/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index f4e3d82379d7..598d5b82a6bc 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -85,6 +85,8 @@ config DELL_LAPTOP
 	depends on RFKILL || RFKILL = n
 	depends on POWER_SUPPLY
 	depends on SERIO_I8042
+	select LEDS_CLASS
+	select NEW_LEDS
 	default n
 	---help---
 	This driver adds support for rfkill and backlight control to Dell
-- 
GitLab


From 7fd2ae21a42d178982679b86086661292b4afe4a Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Tue, 8 Nov 2011 15:47:34 -0500
Subject: [PATCH 0244/1594] Btrfs: fix our reservations for updating an inode
 when completing io

People have been reporting ENOSPC crashes in finish_ordered_io.  This is because
we try to steal from the delalloc block rsv to satisfy a reservation to update
the inode.  The problem with this is we don't explicitly save space for updating
the inode when doing delalloc.  This is kind of a problem and we've gotten away
with this because way back when we just stole from the delalloc reserve without
any questions, and this worked out fine because generally speaking the leaf had
been modified either by the mtime update when we did the original write or
because we just updated the leaf when we inserted the file extent item, only on
rare occasions had the leaf not actually been modified, and that was still ok
because we'd just use a block or two out of the over-reservation that is
delalloc.

Then came the delayed inode stuff.  This is amazing, except it wants a full
reservation for updating the inode since it may do it at some point down the
road after we've written the blocks and we have to recow everything again.  This
worked out because the delayed inode stuff just stole from the global reserve,
that is until recently when I changed that because it caused other problems.

So here we are, we're doing everything right and being screwed for it.  So take
an extra reservation for the inode at delalloc reservation time and carry it
through the life of the delalloc reservation.  If we need it we can steal it in
the delayed inode stuff.  If we have already stolen it try and do a normal
metadata reservation.  If that fails try to steal from the delalloc reservation.
If _that_ fails we'll get a WARN_ON() so I can start thinking of a better way to
solve this and in the meantime we'll steal from the global reserve.

With this patch I ran xfstests 13 in a loop for a couple of hours and didn't see
any problems.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/btrfs_inode.h   |  4 +--
 fs/btrfs/delayed-inode.c | 65 ++++++++++++++++++++++++++++++++++++++--
 fs/btrfs/extent-tree.c   | 22 ++++++++++++--
 fs/btrfs/inode.c         |  1 +
 4 files changed, 83 insertions(+), 9 deletions(-)

diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 5a5d325a3935..634608d2a6d0 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -147,14 +147,12 @@ struct btrfs_inode {
 	 * the btrfs file release call will add this inode to the
 	 * ordered operations list so that we make sure to flush out any
 	 * new data the application may have written before commit.
-	 *
-	 * yes, its silly to have a single bitflag, but we might grow more
-	 * of these.
 	 */
 	unsigned ordered_data_close:1;
 	unsigned orphan_meta_reserved:1;
 	unsigned dummy_inode:1;
 	unsigned in_defrag:1;
+	unsigned delalloc_meta_reserved:1;
 
 	/*
 	 * always compress this one file
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index bbe8496d5339..313ee14cf3b7 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -617,12 +617,14 @@ static void btrfs_delayed_item_release_metadata(struct btrfs_root *root,
 static int btrfs_delayed_inode_reserve_metadata(
 					struct btrfs_trans_handle *trans,
 					struct btrfs_root *root,
+					struct inode *inode,
 					struct btrfs_delayed_node *node)
 {
 	struct btrfs_block_rsv *src_rsv;
 	struct btrfs_block_rsv *dst_rsv;
 	u64 num_bytes;
 	int ret;
+	int release = false;
 
 	src_rsv = trans->block_rsv;
 	dst_rsv = &root->fs_info->delayed_block_rsv;
@@ -652,11 +654,67 @@ static int btrfs_delayed_inode_reserve_metadata(
 		if (!ret)
 			node->bytes_reserved = num_bytes;
 		return ret;
+	} else if (src_rsv == &root->fs_info->delalloc_block_rsv) {
+		spin_lock(&BTRFS_I(inode)->lock);
+		if (BTRFS_I(inode)->delalloc_meta_reserved) {
+			BTRFS_I(inode)->delalloc_meta_reserved = 0;
+			spin_unlock(&BTRFS_I(inode)->lock);
+			release = true;
+			goto migrate;
+		}
+		spin_unlock(&BTRFS_I(inode)->lock);
+
+		/* Ok we didn't have space pre-reserved.  This shouldn't happen
+		 * too often but it can happen if we do delalloc to an existing
+		 * inode which gets dirtied because of the time update, and then
+		 * isn't touched again until after the transaction commits and
+		 * then we try to write out the data.  First try to be nice and
+		 * reserve something strictly for us.  If not be a pain and try
+		 * to steal from the delalloc block rsv.
+		 */
+		ret = btrfs_block_rsv_add_noflush(root, dst_rsv, num_bytes);
+		if (!ret)
+			goto out;
+
+		ret = btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes);
+		if (!ret)
+			goto out;
+
+		/*
+		 * Ok this is a problem, let's just steal from the global rsv
+		 * since this really shouldn't happen that often.
+		 */
+		WARN_ON(1);
+		ret = btrfs_block_rsv_migrate(&root->fs_info->global_block_rsv,
+					      dst_rsv, num_bytes);
+		goto out;
 	}
 
+migrate:
 	ret = btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes);
-	if (!ret)
-		node->bytes_reserved = num_bytes;
+	if (unlikely(ret)) {
+		/* This shouldn't happen */
+		BUG_ON(release);
+		return ret;
+	}
+
+out:
+	/*
+	 * Migrate only takes a reservation, it doesn't touch the size of the
+	 * block_rsv.  This is to simplify people who don't normally have things
+	 * migrated from their block rsv.  If they go to release their
+	 * reservation, that will decrease the size as well, so if migrate
+	 * reduced size we'd end up with a negative size.  But for the
+	 * delalloc_meta_reserved stuff we will only know to drop 1 reservation,
+	 * but we could in fact do this reserve/migrate dance several times
+	 * between the time we did the original reservation and we'd clean it
+	 * up.  So to take care of this, release the space for the meta
+	 * reservation here.  I think it may be time for a documentation page on
+	 * how block rsvs. work.
+	 */
+	if (release)
+		btrfs_block_rsv_release(root, src_rsv, num_bytes);
+	node->bytes_reserved = num_bytes;
 
 	return ret;
 }
@@ -1708,7 +1766,8 @@ int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
 		goto release_node;
 	}
 
-	ret = btrfs_delayed_inode_reserve_metadata(trans, root, delayed_node);
+	ret = btrfs_delayed_inode_reserve_metadata(trans, root, inode,
+						   delayed_node);
 	if (ret)
 		goto release_node;
 
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 18ea90c8943b..0b044e509e9f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4063,23 +4063,30 @@ int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans,
  */
 static unsigned drop_outstanding_extent(struct inode *inode)
 {
+	unsigned drop_inode_space = 0;
 	unsigned dropped_extents = 0;
 
 	BUG_ON(!BTRFS_I(inode)->outstanding_extents);
 	BTRFS_I(inode)->outstanding_extents--;
 
+	if (BTRFS_I(inode)->outstanding_extents == 0 &&
+	    BTRFS_I(inode)->delalloc_meta_reserved) {
+		drop_inode_space = 1;
+		BTRFS_I(inode)->delalloc_meta_reserved = 0;
+	}
+
 	/*
 	 * If we have more or the same amount of outsanding extents than we have
 	 * reserved then we need to leave the reserved extents count alone.
 	 */
 	if (BTRFS_I(inode)->outstanding_extents >=
 	    BTRFS_I(inode)->reserved_extents)
-		return 0;
+		return drop_inode_space;
 
 	dropped_extents = BTRFS_I(inode)->reserved_extents -
 		BTRFS_I(inode)->outstanding_extents;
 	BTRFS_I(inode)->reserved_extents -= dropped_extents;
-	return dropped_extents;
+	return dropped_extents + drop_inode_space;
 }
 
 /**
@@ -4165,9 +4172,18 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 		nr_extents = BTRFS_I(inode)->outstanding_extents -
 			BTRFS_I(inode)->reserved_extents;
 		BTRFS_I(inode)->reserved_extents += nr_extents;
+	}
 
-		to_reserve = btrfs_calc_trans_metadata_size(root, nr_extents);
+	/*
+	 * Add an item to reserve for updating the inode when we complete the
+	 * delalloc io.
+	 */
+	if (!BTRFS_I(inode)->delalloc_meta_reserved) {
+		nr_extents++;
+		BTRFS_I(inode)->delalloc_meta_reserved = 1;
 	}
+
+	to_reserve = btrfs_calc_trans_metadata_size(root, nr_extents);
 	to_reserve += calc_csum_metadata_size(inode, num_bytes, 1);
 	spin_unlock(&BTRFS_I(inode)->lock);
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f60e2490bd0d..2b920596c126 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6607,6 +6607,7 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
 	ei->orphan_meta_reserved = 0;
 	ei->dummy_inode = 0;
 	ei->in_defrag = 0;
+	ei->delalloc_meta_reserved = 0;
 	ei->force_compress = BTRFS_COMPRESS_NONE;
 
 	ei->delayed_node = NULL;
-- 
GitLab


From dccefb3729c8c2b17e45c68cdc0d575f2473a5f0 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 8 Nov 2011 12:49:29 -0800
Subject: [PATCH 0245/1594] x86 platform drivers: add POWER_SUPPLY to selected
 drivers for Dell

The Kconfig loop detection goes crazy without this.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/platform/x86/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 598d5b82a6bc..7f43cf86d776 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -83,8 +83,8 @@ config DELL_LAPTOP
 	depends on EXPERIMENTAL
 	depends on BACKLIGHT_CLASS_DEVICE
 	depends on RFKILL || RFKILL = n
-	depends on POWER_SUPPLY
 	depends on SERIO_I8042
+	select POWER_SUPPLY
 	select LEDS_CLASS
 	select NEW_LEDS
 	default n
-- 
GitLab


From 156acb166ea9a43d7fcdf9b8051694ce4e91dbfc Mon Sep 17 00:00:00 2001
From: Thomas Meyer <thomas@m3y3r.de>
Date: Tue, 8 Nov 2011 22:34:00 +0100
Subject: [PATCH 0246/1594] PM / OPP: Use ERR_CAST instead of
 ERR_PTR(PTR_ERR())

Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

[The semantic patch that makes this change is available
 in scripts/coccinelle/api/err_cast.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/]

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/base/power/opp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index 434a6c011675..95706fa24c73 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -669,7 +669,7 @@ struct srcu_notifier_head *opp_get_notifier(struct device *dev)
 	struct device_opp *dev_opp = find_device_opp(dev);
 
 	if (IS_ERR(dev_opp))
-		return ERR_PTR(PTR_ERR(dev_opp)); /* matching type */
+		return ERR_CAST(dev_opp); /* matching type */
 
 	return &dev_opp->head;
 }
-- 
GitLab


From 24ed6ddd9cbf084f1a2dfa3ef66287e5277002e1 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 25 Oct 2011 21:14:10 +0200
Subject: [PATCH 0247/1594] m68k: Revive lost ARAnyM config options

commit 0e152d80507b75c00aac60f2ffc586360687cd52 ("m68k: reorganize Kconfig
options to improve mmu/non-mmu selections") accidentally dropped the ARAnyM
config options. Re-add them to the "Platform devices" section.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68k/Kconfig.devices | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices
index d214034be6a6..6033f5d4e67e 100644
--- a/arch/m68k/Kconfig.devices
+++ b/arch/m68k/Kconfig.devices
@@ -24,6 +24,37 @@ config PROC_HARDWARE
 	  including the model, CPU, MMU, clock speed, BogoMIPS rating,
 	  and memory size.
 
+config NATFEAT
+	bool "ARAnyM emulator support"
+	depends on ATARI
+	help
+	  This option enables support for ARAnyM native features, such as
+	  access to a disk image as /dev/hda.
+
+config NFBLOCK
+	tristate "NatFeat block device support"
+	depends on BLOCK && NATFEAT
+	help
+	  Say Y to include support for the ARAnyM NatFeat block device
+	  which allows direct access to the hard drives without using
+	  the hardware emulation.
+
+config NFCON
+	tristate "NatFeat console driver"
+	depends on NATFEAT
+	help
+	  Say Y to include support for the ARAnyM NatFeat console driver
+	  which allows the console output to be redirected to the stderr
+	  output of ARAnyM.
+
+config NFETH
+	tristate "NatFeat Ethernet support"
+	depends on ETHERNET && NATFEAT
+	help
+	  Say Y to include support for the ARAnyM NatFeat network device
+	  which will emulate a regular ethernet device while presenting an
+	  ethertap device to the host system.
+
 endmenu
 
 menu "Character devices"
-- 
GitLab


From 59433a59b073b88cb32efd03af8ac9b13d56f4cf Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Fri, 28 Oct 2011 22:37:21 +0200
Subject: [PATCH 0248/1594] m68k: Revive lost DIO bus config option

commit 0e152d80507b75c00aac60f2ffc586360687cd52 ("m68k: reorganize Kconfig
options to improve mmu/non-mmu selections") accidentally dropped the DIO
bus config option. Re-add it to the "Bus support" section.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/Kconfig.bus | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/m68k/Kconfig.bus b/arch/m68k/Kconfig.bus
index 8294f0c1785e..3adb499584fb 100644
--- a/arch/m68k/Kconfig.bus
+++ b/arch/m68k/Kconfig.bus
@@ -2,6 +2,15 @@ if MMU
 
 comment "Bus Support"
 
+config DIO
+	bool "DIO bus support"
+	depends on HP300
+	default y
+	help
+	  Say Y here to enable support for the "DIO" expansion bus used in
+	  HP300 machines. If you are using such a system you almost certainly
+	  want this.
+
 config NUBUS
 	bool
 	depends on MAC
-- 
GitLab


From 3ec7215e5d1a714ef65069a1d0999a31e4930bb7 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 25 May 2011 21:40:59 +0200
Subject: [PATCH 0249/1594] ide-{cd,floppy,tape}: Do not include <linux/irq.h>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The top of <linux/irq.h> has this comment:

 * Please do not include this file in generic code.  There is currently
 * no requirement for any architecture to implement anything held
 * within this file.
 *
 * Thanks. --rmk

Remove inclusion of <linux/irq.h>, to prevent the following compile error
from happening soon:

| include/linux/irq.h:132: error: redefinition of ‘struct irq_data’
| include/linux/irq.h:286: error: redefinition of ‘struct irq_chip’

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Borislav Petkov <bp@alien8.de>
Cc: linux-ide@vger.kernel.org
---
 drivers/ide/ide-cd.c     | 1 -
 drivers/ide/ide-floppy.c | 1 -
 drivers/ide/ide-tape.c   | 1 -
 3 files changed, 3 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 04b09564bfa9..8126824daccb 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -43,7 +43,6 @@
 /* For SCSI -> ATAPI command conversion */
 #include <scsi/scsi.h>
 
-#include <linux/irq.h>
 #include <linux/io.h>
 #include <asm/byteorder.h>
 #include <linux/uaccess.h>
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 61fdf544fbd6..3d42043fec51 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -35,7 +35,6 @@
 #include <scsi/scsi_ioctl.h>
 
 #include <asm/byteorder.h>
-#include <linux/irq.h>
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <asm/unaligned.h>
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 7ecb1ade8874..ce8237d36159 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -41,7 +41,6 @@
 #include <scsi/scsi.h>
 
 #include <asm/byteorder.h>
-#include <linux/irq.h>
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <asm/unaligned.h>
-- 
GitLab


From c288bf2533e57174b90b07860c4391bcd1ea269c Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 13 Apr 2011 22:31:28 +0200
Subject: [PATCH 0250/1594] m68k/irq: Rename irq_controller to irq_chip

Make it more similar to the genirq version:
  - Remove lock (unused as we don't do SMP anyway),
  - Prepend methods with irq_,
  - Make irq_startup() return unsigned int.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/amiga/amiints.c   |  9 ++--
 arch/m68k/amiga/cia.c       | 18 ++++----
 arch/m68k/apollo/dn_ints.c  | 11 +++--
 arch/m68k/atari/ataints.c   | 15 +++----
 arch/m68k/include/asm/irq.h | 15 +++----
 arch/m68k/kernel/ints.c     | 86 ++++++++++++++++++-------------------
 arch/m68k/mac/macints.c     |  9 ++--
 arch/m68k/q40/q40ints.c     | 17 ++++----
 arch/m68k/sun3/sun3ints.c   | 13 +++---
 9 files changed, 91 insertions(+), 102 deletions(-)

diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index c5b5212cc3f9..320c5d048dc7 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -52,11 +52,10 @@ static irqreturn_t ami_int3(int irq, void *dev_id);
 static irqreturn_t ami_int4(int irq, void *dev_id);
 static irqreturn_t ami_int5(int irq, void *dev_id);
 
-static struct irq_controller amiga_irq_controller = {
+static struct irq_chip amiga_irq_chip = {
 	.name		= "amiga",
-	.lock		= __SPIN_LOCK_UNLOCKED(amiga_irq_controller.lock),
-	.enable		= amiga_enable_irq,
-	.disable	= amiga_disable_irq,
+	.irq_enable	= amiga_enable_irq,
+	.irq_disable	= amiga_disable_irq,
 };
 
 /*
@@ -81,7 +80,7 @@ void __init amiga_init_IRQ(void)
 	if (request_irq(IRQ_AUTO_5, ami_int5, 0, "int5", NULL))
 		pr_err("Couldn't register int%d\n", 5);
 
-	m68k_setup_irq_controller(&amiga_irq_controller, IRQ_USER, AMI_STD_IRQS);
+	m68k_setup_irq_chip(&amiga_irq_chip, IRQ_USER, AMI_STD_IRQS);
 
 	/* turn off PCMCIA interrupts */
 	if (AMIGAHW_PRESENT(PCMCIA))
diff --git a/arch/m68k/amiga/cia.c b/arch/m68k/amiga/cia.c
index ecd0f7ca6f0e..637ef53112b6 100644
--- a/arch/m68k/amiga/cia.c
+++ b/arch/m68k/amiga/cia.c
@@ -121,11 +121,10 @@ static void cia_disable_irq(unsigned int irq)
 		cia_able_irq(&ciaa_base, 1 << (irq - IRQ_AMIGA_CIAA));
 }
 
-static struct irq_controller cia_irq_controller = {
+static struct irq_chip cia_irq_chip = {
 	.name		= "cia",
-	.lock		= __SPIN_LOCK_UNLOCKED(cia_irq_controller.lock),
-	.enable		= cia_enable_irq,
-	.disable	= cia_disable_irq,
+	.irq_enable	= cia_enable_irq,
+	.irq_disable	= cia_disable_irq,
 };
 
 /*
@@ -158,23 +157,22 @@ static void auto_disable_irq(unsigned int irq)
 	}
 }
 
-static struct irq_controller auto_irq_controller = {
+static struct irq_chip auto_irq_chip = {
 	.name		= "auto",
-	.lock		= __SPIN_LOCK_UNLOCKED(auto_irq_controller.lock),
-	.enable		= auto_enable_irq,
-	.disable	= auto_disable_irq,
+	.irq_enable	= auto_enable_irq,
+	.irq_disable	= auto_disable_irq,
 };
 
 void __init cia_init_IRQ(struct ciabase *base)
 {
-	m68k_setup_irq_controller(&cia_irq_controller, base->cia_irq, CIA_IRQS);
+	m68k_setup_irq_chip(&cia_irq_chip, base->cia_irq, CIA_IRQS);
 
 	/* clear any pending interrupt and turn off all interrupts */
 	cia_set_irq(base, CIA_ICR_ALL);
 	cia_able_irq(base, CIA_ICR_ALL);
 
 	/* override auto int and install CIA handler */
-	m68k_setup_irq_controller(&auto_irq_controller, base->handler_irq, 1);
+	m68k_setup_irq_chip(&auto_irq_chip, base->handler_irq, 1);
 	m68k_irq_startup(base->handler_irq);
 	if (request_irq(base->handler_irq, cia_handler, IRQF_SHARED,
 			base->name, base))
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index 5d47f3aa3810..d6e8f33466be 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -12,7 +12,7 @@ void dn_process_int(unsigned int irq, struct pt_regs *fp)
 	*(volatile unsigned char *)(picb)=0x20;
 }
 
-int apollo_irq_startup(unsigned int irq)
+unsigned int apollo_irq_startup(unsigned int irq)
 {
 	if (irq < 8)
 		*(volatile unsigned char *)(pica+1) &= ~(1 << irq);
@@ -29,16 +29,15 @@ void apollo_irq_shutdown(unsigned int irq)
 		*(volatile unsigned char *)(picb+1) |= (1 << (irq - 8));
 }
 
-static struct irq_controller apollo_irq_controller = {
+static struct irq_chip apollo_irq_chip = {
 	.name           = "apollo",
-	.lock           = __SPIN_LOCK_UNLOCKED(apollo_irq_controller.lock),
-	.startup        = apollo_irq_startup,
-	.shutdown       = apollo_irq_shutdown,
+	.irq_startup    = apollo_irq_startup,
+	.irq_shutdown   = apollo_irq_shutdown,
 };
 
 
 void __init dn_init_IRQ(void)
 {
 	m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
-	m68k_setup_irq_controller(&apollo_irq_controller, IRQ_APOLLO, 16);
+	m68k_setup_irq_chip(&apollo_irq_chip, IRQ_APOLLO, 16);
 }
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index 26a804e67bce..ac0ebdf6ca72 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -320,7 +320,7 @@ extern void atari_microwire_cmd(int cmd);
 
 extern int atari_SCC_reset_done;
 
-static int atari_startup_irq(unsigned int irq)
+static unsigned int atari_startup_irq(unsigned int irq)
 {
 	m68k_irq_startup(irq);
 	atari_turnon_irq(irq);
@@ -338,13 +338,12 @@ static void atari_shutdown_irq(unsigned int irq)
 	    vectors[VEC_INT4] = falcon_hblhandler;
 }
 
-static struct irq_controller atari_irq_controller = {
+static struct irq_chip atari_irq_chip = {
 	.name		= "atari",
-	.lock		= __SPIN_LOCK_UNLOCKED(atari_irq_controller.lock),
-	.startup	= atari_startup_irq,
-	.shutdown	= atari_shutdown_irq,
-	.enable		= atari_enable_irq,
-	.disable	= atari_disable_irq,
+	.irq_startup	= atari_startup_irq,
+	.irq_shutdown	= atari_shutdown_irq,
+	.irq_enable	= atari_enable_irq,
+	.irq_disable	= atari_disable_irq,
 };
 
 /*
@@ -361,7 +360,7 @@ static struct irq_controller atari_irq_controller = {
 void __init atari_init_IRQ(void)
 {
 	m68k_setup_user_interrupt(VEC_USER, NUM_ATARI_SOURCES - IRQ_USER, NULL);
-	m68k_setup_irq_controller(&atari_irq_controller, 1, NUM_ATARI_SOURCES - 1);
+	m68k_setup_irq_chip(&atari_irq_chip, 1, NUM_ATARI_SOURCES - 1);
 
 	/* Initialize the MFP(s) */
 
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 69ed0d74d532..d8c6f68b7a78 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -93,16 +93,15 @@ struct irq_handler {
 	const char	*devname;
 };
 
-struct irq_controller {
+struct irq_chip {
 	const char *name;
-	spinlock_t lock;
-	int (*startup)(unsigned int irq);
-	void (*shutdown)(unsigned int irq);
-	void (*enable)(unsigned int irq);
-	void (*disable)(unsigned int irq);
+	unsigned int (*irq_startup)(unsigned int irq);
+	void (*irq_shutdown)(unsigned int irq);
+	void (*irq_enable)(unsigned int irq);
+	void (*irq_disable)(unsigned int irq);
 };
 
-extern int m68k_irq_startup(unsigned int);
+extern unsigned int m68k_irq_startup(unsigned int);
 extern void m68k_irq_shutdown(unsigned int);
 
 /*
@@ -113,7 +112,7 @@ extern irq_node_t *new_irq_node(void);
 extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *));
 extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 				      void (*handler)(unsigned int, struct pt_regs *));
-extern void m68k_setup_irq_controller(struct irq_controller *, unsigned int, unsigned int);
+extern void m68k_setup_irq_chip(struct irq_chip *, unsigned int, unsigned int);
 
 asmlinkage void m68k_handle_int(unsigned int);
 asmlinkage void __m68k_handle_int(unsigned int, struct pt_regs *);
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 761ee0440c99..f43ad7b93ab6 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -52,23 +52,21 @@ extern u16 user_irqvec_fixup[];
 
 /* table for system interrupt handlers */
 static struct irq_node *irq_list[NR_IRQS];
-static struct irq_controller *irq_controller[NR_IRQS];
+static struct irq_chip *irq_chip[NR_IRQS];
 static int irq_depth[NR_IRQS];
 
 static int m68k_first_user_vec;
 
-static struct irq_controller auto_irq_controller = {
+static struct irq_chip auto_irq_chip = {
 	.name		= "auto",
-	.lock		= __SPIN_LOCK_UNLOCKED(auto_irq_controller.lock),
-	.startup	= m68k_irq_startup,
-	.shutdown	= m68k_irq_shutdown,
+	.irq_startup	= m68k_irq_startup,
+	.irq_shutdown	= m68k_irq_shutdown,
 };
 
-static struct irq_controller user_irq_controller = {
+static struct irq_chip user_irq_chip = {
 	.name		= "user",
-	.lock		= __SPIN_LOCK_UNLOCKED(user_irq_controller.lock),
-	.startup	= m68k_irq_startup,
-	.shutdown	= m68k_irq_shutdown,
+	.irq_startup	= m68k_irq_startup,
+	.irq_shutdown	= m68k_irq_shutdown,
 };
 
 #define NUM_IRQ_NODES 100
@@ -96,7 +94,7 @@ void __init init_IRQ(void)
 	}
 
 	for (i = IRQ_AUTO_1; i <= IRQ_AUTO_7; i++)
-		irq_controller[i] = &auto_irq_controller;
+		irq_chip[i] = &auto_irq_chip;
 
 	mach_init_IRQ();
 }
@@ -136,7 +134,7 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 	BUG_ON(IRQ_USER + cnt > NR_IRQS);
 	m68k_first_user_vec = vec;
 	for (i = 0; i < cnt; i++)
-		irq_controller[IRQ_USER + i] = &user_irq_controller;
+		irq_chip[IRQ_USER + i] = &user_irq_chip;
 	*user_irqvec_fixup = vec - IRQ_USER;
 	if (handler)
 		*user_irqhandler_fixup = (u32)handler;
@@ -144,7 +142,7 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 }
 
 /**
- * m68k_setup_irq_controller
+ * m68k_setup_irq_chip
  * @contr: irq controller which controls specified irq
  * @irq: first irq to be managed by the controller
  *
@@ -153,13 +151,13 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
  * be changed as well, but the controller probably should use m68k_irq_startup/
  * m68k_irq_shutdown.
  */
-void m68k_setup_irq_controller(struct irq_controller *contr, unsigned int irq,
+void m68k_setup_irq_chip(struct irq_chip *contr, unsigned int irq,
 			       unsigned int cnt)
 {
 	int i;
 
 	for (i = 0; i < cnt; i++)
-		irq_controller[irq + i] = contr;
+		irq_chip[irq + i] = contr;
 }
 
 irq_node_t *new_irq_node(void)
@@ -180,23 +178,23 @@ irq_node_t *new_irq_node(void)
 
 int setup_irq(unsigned int irq, struct irq_node *node)
 {
-	struct irq_controller *contr;
+	struct irq_chip *contr;
 	struct irq_node **prev;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS || !(contr = irq_controller[irq])) {
+	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
 		printk("%s: Incorrect IRQ %d from %s\n",
 		       __func__, irq, node->devname);
 		return -ENXIO;
 	}
 
-	spin_lock_irqsave(&contr->lock, flags);
+	local_irq_save(flags);
 
 	prev = irq_list + irq;
 	if (*prev) {
 		/* Can't share interrupts unless both agree to */
 		if (!((*prev)->flags & node->flags & IRQF_SHARED)) {
-			spin_unlock_irqrestore(&contr->lock, flags);
+			local_irq_restore(flags);
 			return -EBUSY;
 		}
 		while (*prev)
@@ -204,15 +202,15 @@ int setup_irq(unsigned int irq, struct irq_node *node)
 	}
 
 	if (!irq_list[irq]) {
-		if (contr->startup)
-			contr->startup(irq);
+		if (contr->irq_startup)
+			contr->irq_startup(irq);
 		else
-			contr->enable(irq);
+			contr->irq_enable(irq);
 	}
 	node->next = NULL;
 	*prev = node;
 
-	spin_unlock_irqrestore(&contr->lock, flags);
+	local_irq_restore(flags);
 
 	return 0;
 }
@@ -244,16 +242,16 @@ EXPORT_SYMBOL(request_irq);
 
 void free_irq(unsigned int irq, void *dev_id)
 {
-	struct irq_controller *contr;
+	struct irq_chip *contr;
 	struct irq_node **p, *node;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS || !(contr = irq_controller[irq])) {
+	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
 		printk("%s: Incorrect IRQ %d\n", __func__, irq);
 		return;
 	}
 
-	spin_lock_irqsave(&contr->lock, flags);
+	local_irq_save(flags);
 
 	p = irq_list + irq;
 	while ((node = *p)) {
@@ -270,58 +268,58 @@ void free_irq(unsigned int irq, void *dev_id)
 		       __func__, irq);
 
 	if (!irq_list[irq]) {
-		if (contr->shutdown)
-			contr->shutdown(irq);
+		if (contr->irq_shutdown)
+			contr->irq_shutdown(irq);
 		else
-			contr->disable(irq);
+			contr->irq_disable(irq);
 	}
 
-	spin_unlock_irqrestore(&contr->lock, flags);
+	local_irq_restore(flags);
 }
 
 EXPORT_SYMBOL(free_irq);
 
 void enable_irq(unsigned int irq)
 {
-	struct irq_controller *contr;
+	struct irq_chip *contr;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS || !(contr = irq_controller[irq])) {
+	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
 		printk("%s: Incorrect IRQ %d\n",
 		       __func__, irq);
 		return;
 	}
 
-	spin_lock_irqsave(&contr->lock, flags);
+	local_irq_save(flags);
 	if (irq_depth[irq]) {
 		if (!--irq_depth[irq]) {
-			if (contr->enable)
-				contr->enable(irq);
+			if (contr->irq_enable)
+				contr->irq_enable(irq);
 		}
 	} else
 		WARN_ON(1);
-	spin_unlock_irqrestore(&contr->lock, flags);
+	local_irq_restore(flags);
 }
 
 EXPORT_SYMBOL(enable_irq);
 
 void disable_irq(unsigned int irq)
 {
-	struct irq_controller *contr;
+	struct irq_chip *contr;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS || !(contr = irq_controller[irq])) {
+	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
 		printk("%s: Incorrect IRQ %d\n",
 		       __func__, irq);
 		return;
 	}
 
-	spin_lock_irqsave(&contr->lock, flags);
+	local_irq_save(flags);
 	if (!irq_depth[irq]++) {
-		if (contr->disable)
-			contr->disable(irq);
+		if (contr->irq_disable)
+			contr->irq_disable(irq);
 	}
-	spin_unlock_irqrestore(&contr->lock, flags);
+	local_irq_restore(flags);
 }
 
 EXPORT_SYMBOL(disable_irq);
@@ -330,7 +328,7 @@ void disable_irq_nosync(unsigned int irq) __attribute__((alias("disable_irq")));
 
 EXPORT_SYMBOL(disable_irq_nosync);
 
-int m68k_irq_startup(unsigned int irq)
+unsigned int m68k_irq_startup(unsigned int irq)
 {
 	if (irq <= IRQ_AUTO_7)
 		vectors[VEC_SPUR + irq] = auto_inthandler;
@@ -413,13 +411,13 @@ asmlinkage void handle_badint(struct pt_regs *regs)
 
 int show_interrupts(struct seq_file *p, void *v)
 {
-	struct irq_controller *contr;
+	struct irq_chip *contr;
 	struct irq_node *node;
 	int i = *(loff_t *) v;
 
 	/* autovector interrupts */
 	if (irq_list[i]) {
-		contr = irq_controller[i];
+		contr = irq_chip[i];
 		node = irq_list[i];
 		seq_printf(p, "%-8s %3u: %10u %s", contr->name, i, kstat_cpu(0).irqs[i], node->devname);
 		while ((node = node->next))
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index f92190c159b4..ffa1b3f7e2b7 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -193,11 +193,10 @@ irqreturn_t mac_debug_handler(int, void *);
 void mac_enable_irq(unsigned int irq);
 void mac_disable_irq(unsigned int irq);
 
-static struct irq_controller mac_irq_controller = {
+static struct irq_chip mac_irq_chip = {
 	.name		= "mac",
-	.lock		= __SPIN_LOCK_UNLOCKED(mac_irq_controller.lock),
-	.enable		= mac_enable_irq,
-	.disable	= mac_disable_irq,
+	.irq_enable	= mac_enable_irq,
+	.irq_disable	= mac_disable_irq,
 };
 
 void __init mac_init_IRQ(void)
@@ -205,7 +204,7 @@ void __init mac_init_IRQ(void)
 #ifdef DEBUG_MACINTS
 	printk("mac_init_IRQ(): Setting things up...\n");
 #endif
-	m68k_setup_irq_controller(&mac_irq_controller, IRQ_USER,
+	m68k_setup_irq_chip(&mac_irq_chip, IRQ_USER,
 				  NUM_MAC_SOURCES - IRQ_USER);
 	/* Make sure the SONIC interrupt is cleared or things get ugly */
 #ifdef SHUTUP_SONIC
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index 9f0e3d59bf92..fa05a03f8dfe 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -41,14 +41,14 @@ static void q40_disable_irq(unsigned int);
 unsigned short q40_ablecount[35];
 unsigned short q40_state[35];
 
-static int q40_irq_startup(unsigned int irq)
+static unsigned int q40_irq_startup(unsigned int irq)
 {
 	/* test for ISA ints not implemented by HW */
 	switch (irq) {
 	case 1: case 2: case 8: case 9:
 	case 11: case 12: case 13:
 		printk("%s: ISA IRQ %d not implemented by HW\n", __func__, irq);
-		return -ENXIO;
+		/* FIXME return -ENXIO; */
 	}
 	return 0;
 }
@@ -57,13 +57,12 @@ static void q40_irq_shutdown(unsigned int irq)
 {
 }
 
-static struct irq_controller q40_irq_controller = {
+static struct irq_chip q40_irq_chip = {
 	.name		= "q40",
-	.lock		= __SPIN_LOCK_UNLOCKED(q40_irq_controller.lock),
-	.startup	= q40_irq_startup,
-	.shutdown	= q40_irq_shutdown,
-	.enable		= q40_enable_irq,
-	.disable	= q40_disable_irq,
+	.irq_startup	= q40_irq_startup,
+	.irq_shutdown	= q40_irq_shutdown,
+	.irq_enable	= q40_enable_irq,
+	.irq_disable	= q40_disable_irq,
 };
 
 /*
@@ -81,7 +80,7 @@ static int disabled;
 
 void __init q40_init_IRQ(void)
 {
-	m68k_setup_irq_controller(&q40_irq_controller, 1, Q40_IRQ_MAX);
+	m68k_setup_irq_chip(&q40_irq_chip, 1, Q40_IRQ_MAX);
 
 	/* setup handler for ISA ints */
 	m68k_setup_auto_interrupt(q40_irq_handler);
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 6464ad3ae3e6..97fa9edc5a9d 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -86,13 +86,12 @@ static void sun3_inthandle(unsigned int irq, struct pt_regs *fp)
 	__m68k_handle_int(irq, fp);
 }
 
-static struct irq_controller sun3_irq_controller = {
+static struct irq_chip sun3_irq_chip = {
 	.name		= "sun3",
-	.lock		= __SPIN_LOCK_UNLOCKED(sun3_irq_controller.lock),
-	.startup	= m68k_irq_startup,
-	.shutdown	= m68k_irq_shutdown,
-	.enable		= sun3_enable_irq,
-	.disable	= sun3_disable_irq,
+	.irq_startup	= m68k_irq_startup,
+	.irq_shutdown	= m68k_irq_shutdown,
+	.irq_enable	= sun3_enable_irq,
+	.irq_disable	= sun3_disable_irq,
 };
 
 void __init sun3_init_IRQ(void)
@@ -100,7 +99,7 @@ void __init sun3_init_IRQ(void)
 	*sun3_intreg = 1;
 
 	m68k_setup_auto_interrupt(sun3_inthandle);
-	m68k_setup_irq_controller(&sun3_irq_controller, IRQ_AUTO_1, 7);
+	m68k_setup_irq_chip(&sun3_irq_chip, IRQ_AUTO_1, 7);
 	m68k_setup_user_interrupt(VEC_USER, 128, NULL);
 
 	if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "int5", NULL))
-- 
GitLab


From 0dde595be678c06e7de27c98f45403088f1b126a Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 Apr 2011 21:39:08 +0200
Subject: [PATCH 0251/1594] m68k/irq: Kill irq_node_t typedef, always use
 struct irq_node

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/include/asm/irq.h | 8 ++++----
 arch/m68k/kernel/ints.c     | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index d8c6f68b7a78..bfc521f35bdf 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -75,13 +75,13 @@ struct pt_regs;
  * This structure is used to chain together the ISRs for a particular
  * interrupt source (if it supports chaining).
  */
-typedef struct irq_node {
+struct irq_node {
 	irqreturn_t	(*handler)(int, void *);
 	void		*dev_id;
 	struct irq_node *next;
 	unsigned long	flags;
 	const char	*devname;
-} irq_node_t;
+};
 
 /*
  * This structure has only 4 elements for speed reasons
@@ -105,9 +105,9 @@ extern unsigned int m68k_irq_startup(unsigned int);
 extern void m68k_irq_shutdown(unsigned int);
 
 /*
- * This function returns a new irq_node_t
+ * This function returns a new struct irq_node
  */
-extern irq_node_t *new_irq_node(void);
+extern struct irq_node *new_irq_node(void);
 
 extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *));
 extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index f43ad7b93ab6..9de8eb4eaefb 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -70,7 +70,7 @@ static struct irq_chip user_irq_chip = {
 };
 
 #define NUM_IRQ_NODES 100
-static irq_node_t nodes[NUM_IRQ_NODES];
+static struct irq_node nodes[NUM_IRQ_NODES];
 
 /*
  * void init_IRQ(void)
@@ -160,9 +160,9 @@ void m68k_setup_irq_chip(struct irq_chip *contr, unsigned int irq,
 		irq_chip[irq + i] = contr;
 }
 
-irq_node_t *new_irq_node(void)
+struct irq_node *new_irq_node(void)
 {
-	irq_node_t *node;
+	struct irq_node *node;
 	short i;
 
 	for (node = nodes, i = NUM_IRQ_NODES-1; i >= 0; node++, i--) {
-- 
GitLab


From 6549d537922da6a6893e9bc1be9c2b89db663719 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 Apr 2011 21:59:23 +0200
Subject: [PATCH 0252/1594] m68k/irq: Rename irq_node to irq_data

Make it more similar to the genirq version:
  - Add an irq field

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/include/asm/irq.h |  9 +++++----
 arch/m68k/kernel/ints.c     | 21 +++++++++++----------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index bfc521f35bdf..3cb037c36d10 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -75,10 +75,11 @@ struct pt_regs;
  * This structure is used to chain together the ISRs for a particular
  * interrupt source (if it supports chaining).
  */
-struct irq_node {
+struct irq_data {
+	unsigned int	irq;
 	irqreturn_t	(*handler)(int, void *);
 	void		*dev_id;
-	struct irq_node *next;
+	struct irq_data *next;
 	unsigned long	flags;
 	const char	*devname;
 };
@@ -105,9 +106,9 @@ extern unsigned int m68k_irq_startup(unsigned int);
 extern void m68k_irq_shutdown(unsigned int);
 
 /*
- * This function returns a new struct irq_node
+ * This function returns a new struct irq_data
  */
-extern struct irq_node *new_irq_node(void);
+extern struct irq_data *new_irq_node(void);
 
 extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *));
 extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 9de8eb4eaefb..88779320d406 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -51,7 +51,7 @@ extern u32 user_irqhandler_fixup[];
 extern u16 user_irqvec_fixup[];
 
 /* table for system interrupt handlers */
-static struct irq_node *irq_list[NR_IRQS];
+static struct irq_data *irq_list[NR_IRQS];
 static struct irq_chip *irq_chip[NR_IRQS];
 static int irq_depth[NR_IRQS];
 
@@ -70,7 +70,7 @@ static struct irq_chip user_irq_chip = {
 };
 
 #define NUM_IRQ_NODES 100
-static struct irq_node nodes[NUM_IRQ_NODES];
+static struct irq_data nodes[NUM_IRQ_NODES];
 
 /*
  * void init_IRQ(void)
@@ -160,9 +160,9 @@ void m68k_setup_irq_chip(struct irq_chip *contr, unsigned int irq,
 		irq_chip[irq + i] = contr;
 }
 
-struct irq_node *new_irq_node(void)
+struct irq_data *new_irq_node(void)
 {
-	struct irq_node *node;
+	struct irq_data *node;
 	short i;
 
 	for (node = nodes, i = NUM_IRQ_NODES-1; i >= 0; node++, i--) {
@@ -176,10 +176,10 @@ struct irq_node *new_irq_node(void)
 	return NULL;
 }
 
-int setup_irq(unsigned int irq, struct irq_node *node)
+int setup_irq(unsigned int irq, struct irq_data *node)
 {
 	struct irq_chip *contr;
-	struct irq_node **prev;
+	struct irq_data **prev;
 	unsigned long flags;
 
 	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
@@ -219,13 +219,14 @@ int request_irq(unsigned int irq,
 		irq_handler_t handler,
 		unsigned long flags, const char *devname, void *dev_id)
 {
-	struct irq_node *node;
+	struct irq_data *node;
 	int res;
 
 	node = new_irq_node();
 	if (!node)
 		return -ENOMEM;
 
+	node->irq     = irq;
 	node->handler = handler;
 	node->flags   = flags;
 	node->dev_id  = dev_id;
@@ -243,7 +244,7 @@ EXPORT_SYMBOL(request_irq);
 void free_irq(unsigned int irq, void *dev_id)
 {
 	struct irq_chip *contr;
-	struct irq_node **p, *node;
+	struct irq_data **p, *node;
 	unsigned long flags;
 
 	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
@@ -386,7 +387,7 @@ EXPORT_SYMBOL(irq_canonicalize);
 
 asmlinkage void m68k_handle_int(unsigned int irq)
 {
-	struct irq_node *node;
+	struct irq_data *node;
 	kstat_cpu(0).irqs[irq]++;
 	node = irq_list[irq];
 	do {
@@ -412,7 +413,7 @@ asmlinkage void handle_badint(struct pt_regs *regs)
 int show_interrupts(struct seq_file *p, void *v)
 {
 	struct irq_chip *contr;
-	struct irq_node *node;
+	struct irq_data *node;
 	int i = *(loff_t *) v;
 
 	/* autovector interrupts */
-- 
GitLab


From e8abf5e73cdb6c034d35ccba1f63a4801cd3dec5 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 17 Apr 2011 22:53:04 +0200
Subject: [PATCH 0253/1594] m68k/irq: Switch irq_chip methods to "struct
 irq_data *data"

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/amiga/amiints.c   | 16 ++++++++--------
 arch/m68k/amiga/cia.c       | 25 ++++++++++++++-----------
 arch/m68k/apollo/dn_ints.c  |  8 ++++++--
 arch/m68k/atari/ataints.c   | 30 ++++++++++++++++++++++--------
 arch/m68k/include/asm/irq.h | 13 +++++++------
 arch/m68k/kernel/ints.c     | 23 +++++++++++++++--------
 arch/m68k/mac/macints.c     | 14 ++++++++++++--
 arch/m68k/q40/q40ints.c     | 28 +++++++++++++++++-----------
 arch/m68k/sun3/sun3ints.c   | 14 ++++++++++++--
 9 files changed, 113 insertions(+), 58 deletions(-)

diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index 320c5d048dc7..09a695babfe9 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -45,8 +45,8 @@
 #include <asm/amigaints.h>
 #include <asm/amipcmcia.h>
 
-static void amiga_enable_irq(unsigned int irq);
-static void amiga_disable_irq(unsigned int irq);
+static void amiga_irq_enable(struct irq_data *data);
+static void amiga_irq_disable(struct irq_data *data);
 static irqreturn_t ami_int1(int irq, void *dev_id);
 static irqreturn_t ami_int3(int irq, void *dev_id);
 static irqreturn_t ami_int4(int irq, void *dev_id);
@@ -54,8 +54,8 @@ static irqreturn_t ami_int5(int irq, void *dev_id);
 
 static struct irq_chip amiga_irq_chip = {
 	.name		= "amiga",
-	.irq_enable	= amiga_enable_irq,
-	.irq_disable	= amiga_disable_irq,
+	.irq_enable	= amiga_irq_enable,
+	.irq_disable	= amiga_irq_disable,
 };
 
 /*
@@ -102,14 +102,14 @@ void __init amiga_init_IRQ(void)
  * internal data, that may not be changed by the interrupt at the same time.
  */
 
-static void amiga_enable_irq(unsigned int irq)
+static void amiga_irq_enable(struct irq_data *data)
 {
-	amiga_custom.intena = IF_SETCLR | (1 << (irq - IRQ_USER));
+	amiga_custom.intena = IF_SETCLR | (1 << (data->irq - IRQ_USER));
 }
 
-static void amiga_disable_irq(unsigned int irq)
+static void amiga_irq_disable(struct irq_data *data)
 {
-	amiga_custom.intena = 1 << (irq - IRQ_USER);
+	amiga_custom.intena = 1 << (data->irq - IRQ_USER);
 }
 
 /*
diff --git a/arch/m68k/amiga/cia.c b/arch/m68k/amiga/cia.c
index 637ef53112b6..b04b453718d9 100644
--- a/arch/m68k/amiga/cia.c
+++ b/arch/m68k/amiga/cia.c
@@ -98,8 +98,9 @@ static irqreturn_t cia_handler(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static void cia_enable_irq(unsigned int irq)
+static void cia_irq_enable(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	unsigned char mask;
 
 	if (irq >= IRQ_AMIGA_CIAB) {
@@ -113,8 +114,10 @@ static void cia_enable_irq(unsigned int irq)
 	}
 }
 
-static void cia_disable_irq(unsigned int irq)
+static void cia_irq_disable(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	if (irq >= IRQ_AMIGA_CIAB)
 		cia_able_irq(&ciab_base, 1 << (irq - IRQ_AMIGA_CIAB));
 	else
@@ -123,8 +126,8 @@ static void cia_disable_irq(unsigned int irq)
 
 static struct irq_chip cia_irq_chip = {
 	.name		= "cia",
-	.irq_enable	= cia_enable_irq,
-	.irq_disable	= cia_disable_irq,
+	.irq_enable	= cia_irq_enable,
+	.irq_disable	= cia_irq_disable,
 };
 
 /*
@@ -133,9 +136,9 @@ static struct irq_chip cia_irq_chip = {
  * into this chain.
  */
 
-static void auto_enable_irq(unsigned int irq)
+static void auto_irq_enable(struct irq_data *data)
 {
-	switch (irq) {
+	switch (data->irq) {
 	case IRQ_AUTO_2:
 		amiga_custom.intena = IF_SETCLR | IF_PORTS;
 		break;
@@ -145,9 +148,9 @@ static void auto_enable_irq(unsigned int irq)
 	}
 }
 
-static void auto_disable_irq(unsigned int irq)
+static void auto_irq_disable(struct irq_data *data)
 {
-	switch (irq) {
+	switch (data->irq) {
 	case IRQ_AUTO_2:
 		amiga_custom.intena = IF_PORTS;
 		break;
@@ -159,8 +162,8 @@ static void auto_disable_irq(unsigned int irq)
 
 static struct irq_chip auto_irq_chip = {
 	.name		= "auto",
-	.irq_enable	= auto_enable_irq,
-	.irq_disable	= auto_disable_irq,
+	.irq_enable	= auto_irq_enable,
+	.irq_disable	= auto_irq_disable,
 };
 
 void __init cia_init_IRQ(struct ciabase *base)
@@ -173,7 +176,7 @@ void __init cia_init_IRQ(struct ciabase *base)
 
 	/* override auto int and install CIA handler */
 	m68k_setup_irq_chip(&auto_irq_chip, base->handler_irq, 1);
-	m68k_irq_startup(base->handler_irq);
+	m68k_irq_startup_irq(base->handler_irq);
 	if (request_irq(base->handler_irq, cia_handler, IRQF_SHARED,
 			base->name, base))
 		pr_err("Couldn't register %s interrupt\n", base->name);
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index d6e8f33466be..2bdab498b6c1 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -12,8 +12,10 @@ void dn_process_int(unsigned int irq, struct pt_regs *fp)
 	*(volatile unsigned char *)(picb)=0x20;
 }
 
-unsigned int apollo_irq_startup(unsigned int irq)
+unsigned int apollo_irq_startup(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	if (irq < 8)
 		*(volatile unsigned char *)(pica+1) &= ~(1 << irq);
 	else
@@ -21,8 +23,10 @@ unsigned int apollo_irq_startup(unsigned int irq)
 	return 0;
 }
 
-void apollo_irq_shutdown(unsigned int irq)
+void apollo_irq_shutdown(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	if (irq < 8)
 		*(volatile unsigned char *)(pica+1) |= (1 << irq);
 	else
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index ac0ebdf6ca72..7f4e5a9b77c5 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -320,30 +320,44 @@ extern void atari_microwire_cmd(int cmd);
 
 extern int atari_SCC_reset_done;
 
-static unsigned int atari_startup_irq(unsigned int irq)
+static unsigned int atari_irq_startup(struct irq_data *data)
 {
-	m68k_irq_startup(irq);
+	unsigned int irq = data->irq;
+
+	m68k_irq_startup(data);
 	atari_turnon_irq(irq);
 	atari_enable_irq(irq);
 	return 0;
 }
 
-static void atari_shutdown_irq(unsigned int irq)
+static void atari_irq_shutdown(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	atari_disable_irq(irq);
 	atari_turnoff_irq(irq);
-	m68k_irq_shutdown(irq);
+	m68k_irq_shutdown(data);
 
 	if (irq == IRQ_AUTO_4)
 	    vectors[VEC_INT4] = falcon_hblhandler;
 }
 
+static void atari_irq_enable(struct irq_data *data)
+{
+	atari_enable_irq(data->irq);
+}
+
+static void atari_irq_disable(struct irq_data *data)
+{
+	atari_disable_irq(data->irq);
+}
+
 static struct irq_chip atari_irq_chip = {
 	.name		= "atari",
-	.irq_startup	= atari_startup_irq,
-	.irq_shutdown	= atari_shutdown_irq,
-	.irq_enable	= atari_enable_irq,
-	.irq_disable	= atari_disable_irq,
+	.irq_startup	= atari_irq_startup,
+	.irq_shutdown	= atari_irq_shutdown,
+	.irq_enable	= atari_irq_enable,
+	.irq_disable	= atari_irq_disable,
 };
 
 /*
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 3cb037c36d10..423f064955f2 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -96,14 +96,15 @@ struct irq_handler {
 
 struct irq_chip {
 	const char *name;
-	unsigned int (*irq_startup)(unsigned int irq);
-	void (*irq_shutdown)(unsigned int irq);
-	void (*irq_enable)(unsigned int irq);
-	void (*irq_disable)(unsigned int irq);
+	unsigned int (*irq_startup)(struct irq_data *data);
+	void (*irq_shutdown)(struct irq_data *data);
+	void (*irq_enable)(struct irq_data *data);
+	void (*irq_disable)(struct irq_data *data);
 };
 
-extern unsigned int m68k_irq_startup(unsigned int);
-extern void m68k_irq_shutdown(unsigned int);
+extern unsigned int m68k_irq_startup(struct irq_data *data);
+extern unsigned int m68k_irq_startup_irq(unsigned int irq);
+extern void m68k_irq_shutdown(struct irq_data *data);
 
 /*
  * This function returns a new struct irq_data
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 88779320d406..404d832f5d35 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -203,9 +203,9 @@ int setup_irq(unsigned int irq, struct irq_data *node)
 
 	if (!irq_list[irq]) {
 		if (contr->irq_startup)
-			contr->irq_startup(irq);
+			contr->irq_startup(node);
 		else
-			contr->irq_enable(irq);
+			contr->irq_enable(node);
 	}
 	node->next = NULL;
 	*prev = node;
@@ -270,9 +270,9 @@ void free_irq(unsigned int irq, void *dev_id)
 
 	if (!irq_list[irq]) {
 		if (contr->irq_shutdown)
-			contr->irq_shutdown(irq);
+			contr->irq_shutdown(node);
 		else
-			contr->irq_disable(irq);
+			contr->irq_disable(node);
 	}
 
 	local_irq_restore(flags);
@@ -295,7 +295,7 @@ void enable_irq(unsigned int irq)
 	if (irq_depth[irq]) {
 		if (!--irq_depth[irq]) {
 			if (contr->irq_enable)
-				contr->irq_enable(irq);
+				contr->irq_enable(irq_list[irq]);
 		}
 	} else
 		WARN_ON(1);
@@ -318,7 +318,7 @@ void disable_irq(unsigned int irq)
 	local_irq_save(flags);
 	if (!irq_depth[irq]++) {
 		if (contr->irq_disable)
-			contr->irq_disable(irq);
+			contr->irq_disable(irq_list[irq]);
 	}
 	local_irq_restore(flags);
 }
@@ -329,7 +329,7 @@ void disable_irq_nosync(unsigned int irq) __attribute__((alias("disable_irq")));
 
 EXPORT_SYMBOL(disable_irq_nosync);
 
-unsigned int m68k_irq_startup(unsigned int irq)
+unsigned int m68k_irq_startup_irq(unsigned int irq)
 {
 	if (irq <= IRQ_AUTO_7)
 		vectors[VEC_SPUR + irq] = auto_inthandler;
@@ -338,8 +338,15 @@ unsigned int m68k_irq_startup(unsigned int irq)
 	return 0;
 }
 
-void m68k_irq_shutdown(unsigned int irq)
+unsigned int m68k_irq_startup(struct irq_data *data)
 {
+	return m68k_irq_startup_irq(data->irq);
+}
+
+void m68k_irq_shutdown(struct irq_data *data)
+{
+	unsigned int irq = data->irq;
+
 	if (irq <= IRQ_AUTO_7)
 		vectors[VEC_SPUR + irq] = bad_inthandler;
 	else
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index ffa1b3f7e2b7..3cee6d29cc5d 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -193,10 +193,20 @@ irqreturn_t mac_debug_handler(int, void *);
 void mac_enable_irq(unsigned int irq);
 void mac_disable_irq(unsigned int irq);
 
+static void mac_irq_enable(struct irq_data *data)
+{
+	mac_enable_irq(data->irq);
+}
+
+static void mac_irq_disable(struct irq_data *data)
+{
+	mac_disable_irq(data->irq);
+}
+
 static struct irq_chip mac_irq_chip = {
 	.name		= "mac",
-	.irq_enable	= mac_enable_irq,
-	.irq_disable	= mac_disable_irq,
+	.irq_enable	= mac_irq_enable,
+	.irq_disable	= mac_irq_disable,
 };
 
 void __init mac_init_IRQ(void)
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index fa05a03f8dfe..cb245f972e1a 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -35,14 +35,16 @@
 */
 
 static void q40_irq_handler(unsigned int, struct pt_regs *fp);
-static void q40_enable_irq(unsigned int);
-static void q40_disable_irq(unsigned int);
+static void q40_irq_enable(struct irq_data *data);
+static void q40_irq_disable(struct irq_data *data);
 
 unsigned short q40_ablecount[35];
 unsigned short q40_state[35];
 
-static unsigned int q40_irq_startup(unsigned int irq)
+static unsigned int q40_irq_startup(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	/* test for ISA ints not implemented by HW */
 	switch (irq) {
 	case 1: case 2: case 8: case 9:
@@ -53,7 +55,7 @@ static unsigned int q40_irq_startup(unsigned int irq)
 	return 0;
 }
 
-static void q40_irq_shutdown(unsigned int irq)
+static void q40_irq_shutdown(struct irq_data *data)
 {
 }
 
@@ -61,8 +63,8 @@ static struct irq_chip q40_irq_chip = {
 	.name		= "q40",
 	.irq_startup	= q40_irq_startup,
 	.irq_shutdown	= q40_irq_shutdown,
-	.irq_enable	= q40_enable_irq,
-	.irq_disable	= q40_disable_irq,
+	.irq_enable	= q40_irq_enable,
+	.irq_disable	= q40_irq_disable,
 };
 
 /*
@@ -85,8 +87,8 @@ void __init q40_init_IRQ(void)
 	/* setup handler for ISA ints */
 	m68k_setup_auto_interrupt(q40_irq_handler);
 
-	m68k_irq_startup(IRQ_AUTO_2);
-	m68k_irq_startup(IRQ_AUTO_4);
+	m68k_irq_startup_irq(IRQ_AUTO_2);
+	m68k_irq_startup_irq(IRQ_AUTO_4);
 
 	/* now enable some ints.. */
 	master_outb(1, EXT_ENABLE_REG);  /* ISA IRQ 5-15 */
@@ -292,20 +294,24 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp)
 	return;
 }
 
-void q40_enable_irq(unsigned int irq)
+void q40_irq_enable(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	if (irq >= 5 && irq <= 15) {
 		mext_disabled--;
 		if (mext_disabled > 0)
-			printk("q40_enable_irq : nested disable/enable\n");
+			printk("q40_irq_enable : nested disable/enable\n");
 		if (mext_disabled == 0)
 			master_outb(1, EXT_ENABLE_REG);
 	}
 }
 
 
-void q40_disable_irq(unsigned int irq)
+void q40_irq_disable(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
+
 	/* disable ISA iqs : only do something if the driver has been
 	 * verified to be Q40 "compatible" - right now IDE, NE2K
 	 * Any driver should not attempt to sleep across disable_irq !!
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 97fa9edc5a9d..5d45e0065d2e 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -86,12 +86,22 @@ static void sun3_inthandle(unsigned int irq, struct pt_regs *fp)
 	__m68k_handle_int(irq, fp);
 }
 
+static void sun3_irq_enable(struct irq_data *data)
+{
+    sun3_enable_irq(data->irq);
+};
+
+static void sun3_irq_disable(struct irq_data *data)
+{
+    sun3_disable_irq(data->irq);
+};
+
 static struct irq_chip sun3_irq_chip = {
 	.name		= "sun3",
 	.irq_startup	= m68k_irq_startup,
 	.irq_shutdown	= m68k_irq_shutdown,
-	.irq_enable	= sun3_enable_irq,
-	.irq_disable	= sun3_disable_irq,
+	.irq_enable	= sun3_irq_enable,
+	.irq_disable	= sun3_irq_disable,
 };
 
 void __init sun3_init_IRQ(void)
-- 
GitLab


From 13d6da35813babaa1bc8c6799b2666191911100e Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 19 Apr 2011 20:10:53 +0200
Subject: [PATCH 0254/1594] m68k/irq: Rename setup_irq() to m68k_setup_irq()
 and make it static

It has nothing to do with the standard one in <linux/irq.h>

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/kernel/ints.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 404d832f5d35..e68a3bd5de6e 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -176,7 +176,7 @@ struct irq_data *new_irq_node(void)
 	return NULL;
 }
 
-int setup_irq(unsigned int irq, struct irq_data *node)
+static int m68k_setup_irq(unsigned int irq, struct irq_data *node)
 {
 	struct irq_chip *contr;
 	struct irq_data **prev;
@@ -232,7 +232,7 @@ int request_irq(unsigned int irq,
 	node->dev_id  = dev_id;
 	node->devname = devname;
 
-	res = setup_irq(irq, node);
+	res = m68k_setup_irq(irq, node);
 	if (res)
 		node->handler = NULL;
 
-- 
GitLab


From 40a72c8f711bdf8ae3e4f945261ced5432dcac4d Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Fri, 27 May 2011 22:33:41 +0200
Subject: [PATCH 0255/1594] m68k/irq: Extract irq_set_chip()

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/kernel/ints.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index e68a3bd5de6e..4f9868e160bd 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -55,6 +55,12 @@ static struct irq_data *irq_list[NR_IRQS];
 static struct irq_chip *irq_chip[NR_IRQS];
 static int irq_depth[NR_IRQS];
 
+static inline int irq_set_chip(unsigned int irq, struct irq_chip *chip)
+{
+	irq_chip[irq] = chip;
+	return 0;
+}
+
 static int m68k_first_user_vec;
 
 static struct irq_chip auto_irq_chip = {
@@ -94,7 +100,7 @@ void __init init_IRQ(void)
 	}
 
 	for (i = IRQ_AUTO_1; i <= IRQ_AUTO_7; i++)
-		irq_chip[i] = &auto_irq_chip;
+		irq_set_chip(i, &auto_irq_chip);
 
 	mach_init_IRQ();
 }
@@ -134,7 +140,7 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 	BUG_ON(IRQ_USER + cnt > NR_IRQS);
 	m68k_first_user_vec = vec;
 	for (i = 0; i < cnt; i++)
-		irq_chip[IRQ_USER + i] = &user_irq_chip;
+		irq_set_chip(IRQ_USER + i, &user_irq_chip);
 	*user_irqvec_fixup = vec - IRQ_USER;
 	if (handler)
 		*user_irqhandler_fixup = (u32)handler;
@@ -157,7 +163,7 @@ void m68k_setup_irq_chip(struct irq_chip *contr, unsigned int irq,
 	int i;
 
 	for (i = 0; i < cnt; i++)
-		irq_chip[irq + i] = contr;
+		irq_set_chip(irq + i, contr);
 }
 
 struct irq_data *new_irq_node(void)
-- 
GitLab


From edb347256c44366888debb4f9e8477ac700a9026 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 1 Jun 2011 11:15:21 +0200
Subject: [PATCH 0256/1594] m68k/irq: Add m68k_setup_irq_controller()

This is a wrapper around m68k_setup_irq_chip() that discards its dummy
second parameter, to ease the future transition to genirq.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/amiints.c   | 3 ++-
 arch/m68k/amiga/cia.c       | 6 ++++--
 arch/m68k/apollo/dn_ints.c  | 3 ++-
 arch/m68k/atari/ataints.c   | 3 ++-
 arch/m68k/include/asm/irq.h | 2 ++
 arch/m68k/mac/macints.c     | 2 +-
 arch/m68k/q40/q40ints.c     | 3 ++-
 arch/m68k/sun3/sun3ints.c   | 3 ++-
 8 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index 09a695babfe9..8af5ea3eea67 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -80,7 +80,8 @@ void __init amiga_init_IRQ(void)
 	if (request_irq(IRQ_AUTO_5, ami_int5, 0, "int5", NULL))
 		pr_err("Couldn't register int%d\n", 5);
 
-	m68k_setup_irq_chip(&amiga_irq_chip, IRQ_USER, AMI_STD_IRQS);
+	m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER,
+				  AMI_STD_IRQS);
 
 	/* turn off PCMCIA interrupts */
 	if (AMIGAHW_PRESENT(PCMCIA))
diff --git a/arch/m68k/amiga/cia.c b/arch/m68k/amiga/cia.c
index b04b453718d9..84663ae824ef 100644
--- a/arch/m68k/amiga/cia.c
+++ b/arch/m68k/amiga/cia.c
@@ -168,14 +168,16 @@ static struct irq_chip auto_irq_chip = {
 
 void __init cia_init_IRQ(struct ciabase *base)
 {
-	m68k_setup_irq_chip(&cia_irq_chip, base->cia_irq, CIA_IRQS);
+	m68k_setup_irq_controller(&cia_irq_chip, handle_simple_irq,
+				  base->cia_irq, CIA_IRQS);
 
 	/* clear any pending interrupt and turn off all interrupts */
 	cia_set_irq(base, CIA_ICR_ALL);
 	cia_able_irq(base, CIA_ICR_ALL);
 
 	/* override auto int and install CIA handler */
-	m68k_setup_irq_chip(&auto_irq_chip, base->handler_irq, 1);
+	m68k_setup_irq_controller(&auto_irq_chip, handle_simple_irq,
+				  base->handler_irq, 1);
 	m68k_irq_startup_irq(base->handler_irq);
 	if (request_irq(base->handler_irq, cia_handler, IRQF_SHARED,
 			base->name, base))
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index 2bdab498b6c1..bdc44282fdba 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -43,5 +43,6 @@ static struct irq_chip apollo_irq_chip = {
 void __init dn_init_IRQ(void)
 {
 	m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
-	m68k_setup_irq_chip(&apollo_irq_chip, IRQ_APOLLO, 16);
+	m68k_setup_irq_controller(&apollo_irq_chip, handle_simple_irq,
+				  IRQ_APOLLO, 16);
 }
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index 7f4e5a9b77c5..6149ff994641 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -374,7 +374,8 @@ static struct irq_chip atari_irq_chip = {
 void __init atari_init_IRQ(void)
 {
 	m68k_setup_user_interrupt(VEC_USER, NUM_ATARI_SOURCES - IRQ_USER, NULL);
-	m68k_setup_irq_chip(&atari_irq_chip, 1, NUM_ATARI_SOURCES - 1);
+	m68k_setup_irq_controller(&atari_irq_chip, handle_simple_irq, 1,
+				  NUM_ATARI_SOURCES - 1);
 
 	/* Initialize the MFP(s) */
 
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 423f064955f2..d0b7efd1f1e2 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -115,6 +115,8 @@ extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_re
 extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 				      void (*handler)(unsigned int, struct pt_regs *));
 extern void m68k_setup_irq_chip(struct irq_chip *, unsigned int, unsigned int);
+#define m68k_setup_irq_controller(chip, dummy, irq, cnt) \
+	m68k_setup_irq_chip((chip), (irq), (cnt))
 
 asmlinkage void m68k_handle_int(unsigned int);
 asmlinkage void __m68k_handle_int(unsigned int, struct pt_regs *);
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index 3cee6d29cc5d..98497d288a9b 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -214,7 +214,7 @@ void __init mac_init_IRQ(void)
 #ifdef DEBUG_MACINTS
 	printk("mac_init_IRQ(): Setting things up...\n");
 #endif
-	m68k_setup_irq_chip(&mac_irq_chip, IRQ_USER,
+	m68k_setup_irq_controller(&mac_irq_chip, handle_simple_irq, IRQ_USER,
 				  NUM_MAC_SOURCES - IRQ_USER);
 	/* Make sure the SONIC interrupt is cleared or things get ugly */
 #ifdef SHUTUP_SONIC
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index cb245f972e1a..a8a5ce8b18fc 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -82,7 +82,8 @@ static int disabled;
 
 void __init q40_init_IRQ(void)
 {
-	m68k_setup_irq_chip(&q40_irq_chip, 1, Q40_IRQ_MAX);
+	m68k_setup_irq_controller(&q40_irq_chip, handle_simple_irq, 1,
+				  Q40_IRQ_MAX);
 
 	/* setup handler for ISA ints */
 	m68k_setup_auto_interrupt(q40_irq_handler);
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 5d45e0065d2e..20461278e535 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -109,7 +109,8 @@ void __init sun3_init_IRQ(void)
 	*sun3_intreg = 1;
 
 	m68k_setup_auto_interrupt(sun3_inthandle);
-	m68k_setup_irq_chip(&sun3_irq_chip, IRQ_AUTO_1, 7);
+	m68k_setup_irq_controller(&sun3_irq_chip, handle_simple_irq,
+				  IRQ_AUTO_1, 7);
 	m68k_setup_user_interrupt(VEC_USER, 128, NULL);
 
 	if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "int5", NULL))
-- 
GitLab


From 1425df87c25b15400c9f26d57821bcfe01286b2a Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Fri, 1 Jul 2011 20:39:19 +0200
Subject: [PATCH 0257/1594] m68k/irq: Rename {,__}m68k_handle_int()

  - Rename m68k_handle_int() to generic_handle_irq(), and drop the unneeded
    asmlinkage,
  - Rename __m68k_handle_int() to do_IRQ().

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/amiints.c   | 24 ++++++++++++------------
 arch/m68k/amiga/cia.c       |  2 +-
 arch/m68k/apollo/dn_ints.c  |  2 +-
 arch/m68k/include/asm/irq.h |  4 ++--
 arch/m68k/kernel/entry_mm.S |  4 ++--
 arch/m68k/kernel/ints.c     | 10 +++++-----
 arch/m68k/mac/baboon.c      |  2 +-
 arch/m68k/mac/oss.c         |  4 ++--
 arch/m68k/mac/psc.c         |  2 +-
 arch/m68k/mac/via.c         |  6 +++---
 arch/m68k/q40/q40ints.c     |  8 ++++----
 arch/m68k/sun3/sun3ints.c   |  2 +-
 12 files changed, 35 insertions(+), 35 deletions(-)

diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index 8af5ea3eea67..0daa7fce9df1 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -124,19 +124,19 @@ static irqreturn_t ami_int1(int irq, void *dev_id)
 	/* if serial transmit buffer empty, interrupt */
 	if (ints & IF_TBE) {
 		amiga_custom.intreq = IF_TBE;
-		m68k_handle_int(IRQ_AMIGA_TBE);
+		generic_handle_irq(IRQ_AMIGA_TBE);
 	}
 
 	/* if floppy disk transfer complete, interrupt */
 	if (ints & IF_DSKBLK) {
 		amiga_custom.intreq = IF_DSKBLK;
-		m68k_handle_int(IRQ_AMIGA_DSKBLK);
+		generic_handle_irq(IRQ_AMIGA_DSKBLK);
 	}
 
 	/* if software interrupt set, interrupt */
 	if (ints & IF_SOFT) {
 		amiga_custom.intreq = IF_SOFT;
-		m68k_handle_int(IRQ_AMIGA_SOFT);
+		generic_handle_irq(IRQ_AMIGA_SOFT);
 	}
 	return IRQ_HANDLED;
 }
@@ -148,19 +148,19 @@ static irqreturn_t ami_int3(int irq, void *dev_id)
 	/* if a blitter interrupt */
 	if (ints & IF_BLIT) {
 		amiga_custom.intreq = IF_BLIT;
-		m68k_handle_int(IRQ_AMIGA_BLIT);
+		generic_handle_irq(IRQ_AMIGA_BLIT);
 	}
 
 	/* if a copper interrupt */
 	if (ints & IF_COPER) {
 		amiga_custom.intreq = IF_COPER;
-		m68k_handle_int(IRQ_AMIGA_COPPER);
+		generic_handle_irq(IRQ_AMIGA_COPPER);
 	}
 
 	/* if a vertical blank interrupt */
 	if (ints & IF_VERTB) {
 		amiga_custom.intreq = IF_VERTB;
-		m68k_handle_int(IRQ_AMIGA_VERTB);
+		generic_handle_irq(IRQ_AMIGA_VERTB);
 	}
 	return IRQ_HANDLED;
 }
@@ -172,25 +172,25 @@ static irqreturn_t ami_int4(int irq, void *dev_id)
 	/* if audio 0 interrupt */
 	if (ints & IF_AUD0) {
 		amiga_custom.intreq = IF_AUD0;
-		m68k_handle_int(IRQ_AMIGA_AUD0);
+		generic_handle_irq(IRQ_AMIGA_AUD0);
 	}
 
 	/* if audio 1 interrupt */
 	if (ints & IF_AUD1) {
 		amiga_custom.intreq = IF_AUD1;
-		m68k_handle_int(IRQ_AMIGA_AUD1);
+		generic_handle_irq(IRQ_AMIGA_AUD1);
 	}
 
 	/* if audio 2 interrupt */
 	if (ints & IF_AUD2) {
 		amiga_custom.intreq = IF_AUD2;
-		m68k_handle_int(IRQ_AMIGA_AUD2);
+		generic_handle_irq(IRQ_AMIGA_AUD2);
 	}
 
 	/* if audio 3 interrupt */
 	if (ints & IF_AUD3) {
 		amiga_custom.intreq = IF_AUD3;
-		m68k_handle_int(IRQ_AMIGA_AUD3);
+		generic_handle_irq(IRQ_AMIGA_AUD3);
 	}
 	return IRQ_HANDLED;
 }
@@ -202,13 +202,13 @@ static irqreturn_t ami_int5(int irq, void *dev_id)
 	/* if serial receive buffer full interrupt */
 	if (ints & IF_RBF) {
 		/* acknowledge of IF_RBF must be done by the serial interrupt */
-		m68k_handle_int(IRQ_AMIGA_RBF);
+		generic_handle_irq(IRQ_AMIGA_RBF);
 	}
 
 	/* if a disk sync interrupt */
 	if (ints & IF_DSKSYN) {
 		amiga_custom.intreq = IF_DSKSYN;
-		m68k_handle_int(IRQ_AMIGA_DSKSYN);
+		generic_handle_irq(IRQ_AMIGA_DSKSYN);
 	}
 	return IRQ_HANDLED;
 }
diff --git a/arch/m68k/amiga/cia.c b/arch/m68k/amiga/cia.c
index 84663ae824ef..18c0e29976e3 100644
--- a/arch/m68k/amiga/cia.c
+++ b/arch/m68k/amiga/cia.c
@@ -93,7 +93,7 @@ static irqreturn_t cia_handler(int irq, void *dev_id)
 	amiga_custom.intreq = base->int_mask;
 	for (; ints; mach_irq++, ints >>= 1) {
 		if (ints & 1)
-			m68k_handle_int(mach_irq);
+			generic_handle_irq(mach_irq);
 	}
 	return IRQ_HANDLED;
 }
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index bdc44282fdba..4b764312aed0 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -6,7 +6,7 @@
 
 void dn_process_int(unsigned int irq, struct pt_regs *fp)
 {
-	__m68k_handle_int(irq, fp);
+	do_IRQ(irq, fp);
 
 	*(volatile unsigned char *)(pica)=0x20;
 	*(volatile unsigned char *)(picb)=0x20;
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index d0b7efd1f1e2..9a2bae8ef5b7 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -118,8 +118,8 @@ extern void m68k_setup_irq_chip(struct irq_chip *, unsigned int, unsigned int);
 #define m68k_setup_irq_controller(chip, dummy, irq, cnt) \
 	m68k_setup_irq_chip((chip), (irq), (cnt))
 
-asmlinkage void m68k_handle_int(unsigned int);
-asmlinkage void __m68k_handle_int(unsigned int, struct pt_regs *);
+extern void generic_handle_irq(unsigned int);
+asmlinkage void do_IRQ(int irq, struct pt_regs *regs);
 
 #else
 #define irq_canonicalize(irq)  (irq)
diff --git a/arch/m68k/kernel/entry_mm.S b/arch/m68k/kernel/entry_mm.S
index bd0ec05263b2..f5927d0927b4 100644
--- a/arch/m68k/kernel/entry_mm.S
+++ b/arch/m68k/kernel/entry_mm.S
@@ -207,7 +207,7 @@ ENTRY(auto_inthandler)
 	movel	%sp,%sp@-
 	movel	%d0,%sp@-		|  put vector # on stack
 auto_irqhandler_fixup = . + 2
-	jsr	__m68k_handle_int	|  process the IRQ
+	jsr	do_IRQ			|  process the IRQ
 	addql	#8,%sp			|  pop parameters off stack
 
 ret_from_interrupt:
@@ -241,7 +241,7 @@ user_irqvec_fixup = . + 2
 	movel	%sp,%sp@-
 	movel	%d0,%sp@-		|  put vector # on stack
 user_irqhandler_fixup = . + 2
-	jsr	__m68k_handle_int	|  process the IRQ
+	jsr	do_IRQ			|  process the IRQ
 	addql	#8,%sp			|  pop parameters off stack
 
 	subqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 4f9868e160bd..15dbbe297334 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -110,7 +110,7 @@ void __init init_IRQ(void)
  * @handler: called from auto vector interrupts
  *
  * setup the handler to be called from auto vector interrupts instead of the
- * standard __m68k_handle_int(), it will be called with irq numbers in the range
+ * standard do_IRQ(), it will be called with irq numbers in the range
  * from IRQ_AUTO_1 - IRQ_AUTO_7.
  */
 void __init m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *))
@@ -129,7 +129,7 @@ void __init m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_re
  * setup user vector interrupts, this includes activating the specified range
  * of interrupts, only then these interrupts can be requested (note: this is
  * different from auto vector interrupts). An optional handler can be installed
- * to be called instead of the default __m68k_handle_int(), it will be called
+ * to be called instead of the default do_IRQ(), it will be called
  * with irq numbers starting from IRQ_USER.
  */
 void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
@@ -398,7 +398,7 @@ unsigned int irq_canonicalize(unsigned int irq)
 
 EXPORT_SYMBOL(irq_canonicalize);
 
-asmlinkage void m68k_handle_int(unsigned int irq)
+void generic_handle_irq(unsigned int irq)
 {
 	struct irq_data *node;
 	kstat_cpu(0).irqs[irq]++;
@@ -409,11 +409,11 @@ asmlinkage void m68k_handle_int(unsigned int irq)
 	} while (node);
 }
 
-asmlinkage void __m68k_handle_int(unsigned int irq, struct pt_regs *regs)
+asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
 {
 	struct pt_regs *old_regs;
 	old_regs = set_irq_regs(regs);
-	m68k_handle_int(irq);
+	generic_handle_irq(irq);
 	set_irq_regs(old_regs);
 }
 
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index 2a96bebd8969..f264791b8694 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -72,7 +72,7 @@ static irqreturn_t baboon_irq(int irq, void *dev_id)
 	do {
 	        if (events & irq_bit) {
 			baboon->mb_ifr &= ~irq_bit;
-			m68k_handle_int(irq_num);
+			generic_handle_irq(irq_num);
 		}
 		irq_bit <<= 1;
 		irq_num++;
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index a9c0f5ab4cc0..ad512419affc 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -113,7 +113,7 @@ static irqreturn_t oss_irq(int irq, void *dev_id)
 		/* FIXME: call sound handler */
 	} else if (events & OSS_IP_SCSI) {
 		oss->irq_pending &= ~OSS_IP_SCSI;
-		m68k_handle_int(IRQ_MAC_SCSI);
+		generic_handle_irq(IRQ_MAC_SCSI);
 	} else {
 		/* FIXME: error check here? */
 	}
@@ -148,7 +148,7 @@ static irqreturn_t oss_nubus_irq(int irq, void *dev_id)
 		irq_bit >>= 1;
 		if (events & irq_bit) {
 			oss->irq_pending &= ~irq_bit;
-			m68k_handle_int(NUBUS_SOURCE_BASE + i);
+			generic_handle_irq(NUBUS_SOURCE_BASE + i);
 		}
 	} while(events & (irq_bit - 1));
 	return IRQ_HANDLED;
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index a4c3eb60706e..26c2b6595808 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -152,7 +152,7 @@ irqreturn_t psc_irq(int irq, void *dev_id)
 	do {
 		if (events & irq_bit) {
 			psc_write_byte(pIFR, irq_bit);
-			m68k_handle_int(irq_num);
+			generic_handle_irq(irq_num);
 		}
 		irq_num++;
 		irq_bit <<= 1;
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index e71166daec6a..067857046137 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -460,7 +460,7 @@ irqreturn_t via1_irq(int irq, void *dev_id)
 	do {
 		if (events & irq_bit) {
 			via1[vIFR] = irq_bit;
-			m68k_handle_int(irq_num);
+			generic_handle_irq(irq_num);
 		}
 		++irq_num;
 		irq_bit <<= 1;
@@ -482,7 +482,7 @@ irqreturn_t via2_irq(int irq, void *dev_id)
 	do {
 		if (events & irq_bit) {
 			via2[gIFR] = irq_bit | rbv_clear;
-			m68k_handle_int(irq_num);
+			generic_handle_irq(irq_num);
 		}
 		++irq_num;
 		irq_bit <<= 1;
@@ -514,7 +514,7 @@ irqreturn_t via_nubus_irq(int irq, void *dev_id)
 		do {
 			if (events & slot_bit) {
 				events &= ~slot_bit;
-				m68k_handle_int(slot_irq);
+				generic_handle_irq(slot_irq);
 			}
 			--slot_irq;
 			slot_bit >>= 1;
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index a8a5ce8b18fc..afe600c03659 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -220,11 +220,11 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp)
 	switch (irq) {
 	case 4:
 	case 6:
-		__m68k_handle_int(Q40_IRQ_SAMPLE, fp);
+		do_IRQ(Q40_IRQ_SAMPLE, fp);
 		return;
 	}
 	if (mir & Q40_IRQ_FRAME_MASK) {
-		__m68k_handle_int(Q40_IRQ_FRAME, fp);
+		do_IRQ(Q40_IRQ_FRAME, fp);
 		master_outb(-1, FRAME_CLEAR_REG);
 	}
 	if ((mir & Q40_IRQ_SER_MASK) || (mir & Q40_IRQ_EXT_MASK)) {
@@ -259,7 +259,7 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp)
 					goto iirq;
 				}
 				q40_state[irq] |= IRQ_INPROGRESS;
-				__m68k_handle_int(irq, fp);
+				do_IRQ(irq, fp);
 				q40_state[irq] &= ~IRQ_INPROGRESS;
 
 				/* naively enable everything, if that fails than    */
@@ -290,7 +290,7 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp)
 	mir = master_inb(IIRQ_REG);
 	/* should test whether keyboard irq is really enabled, doing it in defhand */
 	if (mir & Q40_IRQ_KEYB_MASK)
-		__m68k_handle_int(Q40_IRQ_KEYBOARD, fp);
+		do_IRQ(Q40_IRQ_KEYBOARD, fp);
 
 	return;
 }
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 20461278e535..20ffee7dc319 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -83,7 +83,7 @@ static void sun3_inthandle(unsigned int irq, struct pt_regs *fp)
 {
         *sun3_intreg &= ~(1 << irq);
 
-	__m68k_handle_int(irq, fp);
+	do_IRQ(irq, fp);
 }
 
 static void sun3_irq_enable(struct irq_data *data)
-- 
GitLab


From 5a2394534b160ce18f9a705cf9de40e77648f8a2 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 13 Jul 2011 22:33:13 +0200
Subject: [PATCH 0258/1594] m68k/irq: Remove obsolete IRQ_FLG_* users

The m68k core irq code stopped honoring these flags during the irq
restructuring in 2006.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/amiints.c       | 29 -----------------------------
 arch/m68k/hp300/time.c          |  2 +-
 arch/m68k/kernel/ints.c         | 19 -------------------
 arch/m68k/mac/iop.c             | 10 ++++------
 arch/m68k/mac/oss.c             | 13 +++++--------
 arch/m68k/mac/via.c             | 22 ++++++++--------------
 arch/m68k/mvme147/config.c      |  3 +--
 drivers/macintosh/via-macii.c   |  2 +-
 drivers/macintosh/via-maciisi.c |  4 ++--
 9 files changed, 22 insertions(+), 82 deletions(-)

diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index 0daa7fce9df1..e5f3033499e7 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -4,35 +4,6 @@
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file COPYING in the main directory of this archive
  * for more details.
- *
- * 11/07/96: rewritten interrupt handling, irq lists are exists now only for
- *           this sources where it makes sense (VERTB/PORTS/EXTER) and you must
- *           be careful that dev_id for this sources is unique since this the
- *           only possibility to distinguish between different handlers for
- *           free_irq. irq lists also have different irq flags:
- *           - IRQ_FLG_FAST: handler is inserted at top of list (after other
- *                           fast handlers)
- *           - IRQ_FLG_SLOW: handler is inserted at bottom of list and before
- *                           they're executed irq level is set to the previous
- *                           one, but handlers don't need to be reentrant, if
- *                           reentrance occurred, slow handlers will be just
- *                           called again.
- *           The whole interrupt handling for CIAs is moved to cia.c
- *           /Roman Zippel
- *
- * 07/08/99: rewamp of the interrupt handling - we now have two types of
- *           interrupts, normal and fast handlers, fast handlers being
- *           marked with IRQF_DISABLED and runs with all other interrupts
- *           disabled. Normal interrupts disable their own source but
- *           run with all other interrupt sources enabled.
- *           PORTS and EXTER interrupts are always shared even if the
- *           drivers do not explicitly mark this when calling
- *           request_irq which they really should do.
- *           This is similar to the way interrupts are handled on all
- *           other architectures and makes a ton of sense besides
- *           having the advantage of making it easier to share
- *           drivers.
- *           /Jes
  */
 
 #include <linux/init.h>
diff --git a/arch/m68k/hp300/time.c b/arch/m68k/hp300/time.c
index f6312c7d8727..c87fe69b0728 100644
--- a/arch/m68k/hp300/time.c
+++ b/arch/m68k/hp300/time.c
@@ -70,7 +70,7 @@ void __init hp300_sched_init(irq_handler_t vector)
 
   asm volatile(" movpw %0,%1@(5)" : : "d" (INTVAL), "a" (CLOCKBASE));
 
-  if (request_irq(IRQ_AUTO_6, hp300_tick, IRQ_FLG_STD, "timer tick", vector))
+  if (request_irq(IRQ_AUTO_6, hp300_tick, 0, "timer tick", vector))
     pr_err("Couldn't register timer interrupt\n");
 
   out_8(CLOCKBASE + CLKCR2, 0x1);		/* select CR1 */
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 15dbbe297334..f6a469865125 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -4,25 +4,6 @@
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file COPYING in the main directory of this archive
  * for more details.
- *
- * 07/03/96: Timer initialization, and thus mach_sched_init(),
- *           removed from request_irq() and moved to init_time().
- *           We should therefore consider renaming our add_isr() and
- *           remove_isr() to request_irq() and free_irq()
- *           respectively, so they are compliant with the other
- *           architectures.                                     /Jes
- * 11/07/96: Changed all add_/remove_isr() to request_/free_irq() calls.
- *           Removed irq list support, if any machine needs an irq server
- *           it must implement this itself (as it's already done), instead
- *           only default handler are used with mach_default_handler.
- *           request_irq got some flags different from other architectures:
- *           - IRQ_FLG_REPLACE : Replace an existing handler (the default one
- *                               can be replaced without this flag)
- *           - IRQ_FLG_LOCK : handler can't be replaced
- *           There are other machine depending flags, see there
- *           If you want to replace a default handler you should know what
- *           you're doing, since it might handle different other irq sources
- *           which must be served                               /Roman Zippel
  */
 
 #include <linux/module.h>
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 1ad4e9d80eba..a5462cc0bfd6 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -305,15 +305,13 @@ void __init iop_register_interrupts(void)
 {
 	if (iop_ism_present) {
 		if (oss_present) {
-			if (request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq,
-					IRQ_FLG_LOCK, "ISM IOP",
-					(void *) IOP_NUM_ISM))
+			if (request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq, 0,
+					"ISM IOP", (void *)IOP_NUM_ISM))
 				pr_err("Couldn't register ISM IOP interrupt\n");
 			oss_irq_enable(IRQ_MAC_ADB);
 		} else {
-			if (request_irq(IRQ_VIA2_0, iop_ism_irq,
-					IRQ_FLG_LOCK|IRQ_FLG_FAST, "ISM IOP",
-					(void *) IOP_NUM_ISM))
+			if (request_irq(IRQ_VIA2_0, iop_ism_irq, 0, "ISM IOP",
+					(void *)IOP_NUM_ISM))
 				pr_err("Couldn't register ISM IOP interrupt\n");
 		}
 		if (!iop_alive(iop_base[IOP_NUM_ISM])) {
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index ad512419affc..1eb60f071007 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -65,17 +65,14 @@ void __init oss_init(void)
 
 void __init oss_register_interrupts(void)
 {
-	if (request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK,
-			"scsi", (void *) oss))
+	if (request_irq(OSS_IRQLEV_SCSI, oss_irq, 0, "scsi", (void *)oss))
 		pr_err("Couldn't register %s interrupt\n", "scsi");
-	if (request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK,
-			"nubus", (void *) oss))
+	if (request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, 0, "nubus",
+			(void *)oss))
 		pr_err("Couldn't register %s interrupt\n", "nubus");
-	if (request_irq(OSS_IRQLEV_SOUND, oss_irq, IRQ_FLG_LOCK,
-			"sound", (void *) oss))
+	if (request_irq(OSS_IRQLEV_SOUND, oss_irq, 0, "sound", (void *)oss))
 		pr_err("Couldn't register %s interrupt\n", "sound");
-	if (request_irq(OSS_IRQLEV_VIA1, via1_irq, IRQ_FLG_LOCK,
-			"via1", (void *) via1))
+	if (request_irq(OSS_IRQLEV_VIA1, via1_irq, 0, "via1", (void *)via1))
 		pr_err("Couldn't register %s interrupt\n", "via1");
 }
 
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 067857046137..af9ed33bec14 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -281,7 +281,7 @@ void __init via_init_clock(irq_handler_t func)
 	via1[vT1CL] = MAC_CLOCK_LOW;
 	via1[vT1CH] = MAC_CLOCK_HIGH;
 
-	if (request_irq(IRQ_MAC_TIMER_1, func, IRQ_FLG_LOCK, "timer", func))
+	if (request_irq(IRQ_MAC_TIMER_1, func, 0, "timer", func))
 		pr_err("Couldn't register %s interrupt\n", "timer");
 }
 
@@ -292,25 +292,19 @@ void __init via_init_clock(irq_handler_t func)
 void __init via_register_interrupts(void)
 {
 	if (via_alt_mapping) {
-		if (request_irq(IRQ_AUTO_1, via1_irq,
-				IRQ_FLG_LOCK|IRQ_FLG_FAST, "software",
-				(void *) via1))
+		if (request_irq(IRQ_AUTO_1, via1_irq, 0, "software",
+				(void *)via1))
 			pr_err("Couldn't register %s interrupt\n", "software");
-		if (request_irq(IRQ_AUTO_6, via1_irq,
-				IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
-				(void *) via1))
+		if (request_irq(IRQ_AUTO_6, via1_irq, 0, "via1", (void *)via1))
 			pr_err("Couldn't register %s interrupt\n", "via1");
 	} else {
-		if (request_irq(IRQ_AUTO_1, via1_irq,
-				IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
-				(void *) via1))
+		if (request_irq(IRQ_AUTO_1, via1_irq, 0, "via1", (void *)via1))
 			pr_err("Couldn't register %s interrupt\n", "via1");
 	}
-	if (request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
-			"via2", (void *) via2))
+	if (request_irq(IRQ_AUTO_2, via2_irq, 0, "via2", (void *)via2))
 		pr_err("Couldn't register %s interrupt\n", "via2");
-	if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq,
-			IRQ_FLG_LOCK|IRQ_FLG_FAST, "nubus", (void *) via2))
+	if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq, 0, "nubus",
+			(void *)via2))
 		pr_err("Couldn't register %s interrupt\n", "nubus");
 }
 
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index 6cb9c3a9b6c9..01f2adf3f19f 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -114,8 +114,7 @@ static irqreturn_t mvme147_timer_int (int irq, void *dev_id)
 void mvme147_sched_init (irq_handler_t timer_routine)
 {
 	tick_handler = timer_routine;
-	if (request_irq(PCC_IRQ_TIMER1, mvme147_timer_int, IRQ_FLG_REPLACE,
-			"timer 1", NULL))
+	if (request_irq(PCC_IRQ_TIMER1, mvme147_timer_int, 0, "timer 1", NULL))
 		pr_err("Couldn't register timer interrupt\n");
 
 	/* Init the clock with a value */
diff --git a/drivers/macintosh/via-macii.c b/drivers/macintosh/via-macii.c
index 817f37a875c9..c9570fcf1cce 100644
--- a/drivers/macintosh/via-macii.c
+++ b/drivers/macintosh/via-macii.c
@@ -159,7 +159,7 @@ int macii_init(void)
 	err = macii_init_via();
 	if (err) goto out;
 
-	err = request_irq(IRQ_MAC_ADB, macii_interrupt, IRQ_FLG_LOCK, "ADB",
+	err = request_irq(IRQ_MAC_ADB, macii_interrupt, 0, "ADB",
 			  macii_interrupt);
 	if (err) goto out;
 
diff --git a/drivers/macintosh/via-maciisi.c b/drivers/macintosh/via-maciisi.c
index 9ab5b0c34f0d..34d02a91b29f 100644
--- a/drivers/macintosh/via-maciisi.c
+++ b/drivers/macintosh/via-maciisi.c
@@ -122,8 +122,8 @@ maciisi_init(void)
 		return err;
 	}
 
-	if (request_irq(IRQ_MAC_ADB, maciisi_interrupt, IRQ_FLG_LOCK | IRQ_FLG_FAST, 
-			"ADB", maciisi_interrupt)) {
+	if (request_irq(IRQ_MAC_ADB, maciisi_interrupt, 0, "ADB",
+			maciisi_interrupt)) {
 		printk(KERN_ERR "maciisi_init: can't get irq %d\n", IRQ_MAC_ADB);
 		return -EAGAIN;
 	}
-- 
GitLab


From 4936f63cb790e265eb30a1e1630bb90bd6af0e7a Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Thu, 21 Apr 2011 22:50:52 +0200
Subject: [PATCH 0259/1594] m68k/irq: Add genirq support

Disabled on all platforms for now

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
[v1] Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/Kconfig               | 17 +++++++++++
 arch/m68k/include/asm/hardirq.h |  5 ++++
 arch/m68k/include/asm/irq.h     | 41 ++++++++++++++++++++------
 arch/m68k/kernel/Makefile       |  9 ++++--
 arch/m68k/kernel/ints.c         | 52 ++++++++++++++++++++++++++++++++-
 5 files changed, 112 insertions(+), 12 deletions(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 6c28582fb98f..a7597e119ab0 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -84,6 +84,23 @@ config MMU_SUN3
 	bool
 	depends on MMU && !MMU_MOTOROLA
 
+config USE_GENERIC_HARDIRQS
+	bool "Use genirq"
+	depends on MMU
+	depends on !AMIGA
+	depends on !ATARI
+	depends on !MAC
+	depends on !APOLLO
+	depends on !MVME147
+	depends on !MVME16x
+	depends on !BVME6000
+	depends on !HP300
+	depends on !SUN3X
+	depends on !Q40
+	depends on !SUN3
+	select HAVE_GENERIC_HARDIRQS
+	select GENERIC_IRQ_SHOW
+
 menu "Platform setup"
 
 source arch/m68k/Kconfig.cpu
diff --git a/arch/m68k/include/asm/hardirq.h b/arch/m68k/include/asm/hardirq.h
index 870e5347155b..db30ed276878 100644
--- a/arch/m68k/include/asm/hardirq.h
+++ b/arch/m68k/include/asm/hardirq.h
@@ -18,6 +18,11 @@
 
 #ifdef CONFIG_MMU
 
+static inline void ack_bad_irq(unsigned int irq)
+{
+	pr_crit("unexpected IRQ trap at vector %02x\n", irq);
+}
+
 /* entry.S is sensitive to the offsets of these fields */
 typedef struct {
 	unsigned int __softirq_pending;
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 9a2bae8ef5b7..518e61f2fccb 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -27,11 +27,6 @@
 
 #ifdef CONFIG_MMU
 
-#include <linux/linkage.h>
-#include <linux/hardirq.h>
-#include <linux/irqreturn.h>
-#include <linux/spinlock_types.h>
-
 /*
  * Interrupt source definitions
  * General interrupt sources are the level 1-7.
@@ -54,10 +49,6 @@
 
 #define IRQ_USER	8
 
-extern unsigned int irq_canonicalize(unsigned int irq);
-
-struct pt_regs;
-
 /*
  * various flags for request_irq() - the Amiga now uses the standard
  * mechanism like all other architectures - IRQF_DISABLED and
@@ -71,6 +62,15 @@ struct pt_regs;
 #define IRQ_FLG_STD	(0x8000)	/* internally used		*/
 #endif
 
+#ifndef CONFIG_GENERIC_HARDIRQS
+
+#include <linux/linkage.h>
+#include <linux/hardirq.h>
+#include <linux/irqreturn.h>
+#include <linux/spinlock_types.h>
+
+struct pt_regs;
+
 /*
  * This structure is used to chain together the ISRs for a particular
  * interrupt source (if it supports chaining).
@@ -121,10 +121,33 @@ extern void m68k_setup_irq_chip(struct irq_chip *, unsigned int, unsigned int);
 extern void generic_handle_irq(unsigned int);
 asmlinkage void do_IRQ(int irq, struct pt_regs *regs);
 
+#else /* CONFIG_GENERIC_HARDIRQS */
+
+struct irq_data;
+struct irq_chip;
+struct irq_desc;
+extern unsigned int m68k_irq_startup(struct irq_data *data);
+extern unsigned int m68k_irq_startup_irq(unsigned int irq);
+extern void m68k_irq_shutdown(struct irq_data *data);
+extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int,
+						      struct pt_regs *));
+extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
+				      void (*handler)(unsigned int,
+						      struct pt_regs *));
+extern void m68k_setup_irq_controller(struct irq_chip *,
+				      void (*handle)(unsigned int irq,
+						     struct irq_desc *desc),
+				      unsigned int irq, unsigned int cnt);
+
+#endif /* CONFIG_GENERIC_HARDIRQS */
+
+extern unsigned int irq_canonicalize(unsigned int irq);
+
 #else
 #define irq_canonicalize(irq)  (irq)
 #endif /* CONFIG_MMU */
 
 asmlinkage void do_IRQ(int irq, struct pt_regs *regs);
+extern atomic_t irq_err_count;
 
 #endif /* _M68K_IRQ_H_ */
diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile
index e7f0f2e5ad44..141425785c4e 100644
--- a/arch/m68k/kernel/Makefile
+++ b/arch/m68k/kernel/Makefile
@@ -9,13 +9,18 @@ extra-y			+= vmlinux.lds
 obj-y	:= entry.o m68k_ksyms.o module.o process.o ptrace.o setup.o signal.o \
 	   sys_m68k.o syscalltable.o time.o traps.o
 
-obj-$(CONFIG_MMU)	+= ints.o devres.o vectors.o
+obj-$(CONFIG_MMU)	+= ints.o vectors.o
 devres-$(CONFIG_MMU)	= ../../../kernel/irq/devres.o
 
 ifndef CONFIG_MMU_SUN3
 obj-y			+= dma.o
 endif
 ifndef CONFIG_MMU
-obj-y			+= init_task.o irq.o
+obj-y			+= init_task.o
+endif
+ifdef CONFIG_GENERIC_HARDIRQS
+obj-y			+= irq.o
+else
+obj-y			+= devres.o
 endif
 
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index f6a469865125..cea439f9819b 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -31,6 +31,7 @@ extern u32 auto_irqhandler_fixup[];
 extern u32 user_irqhandler_fixup[];
 extern u16 user_irqvec_fixup[];
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 /* table for system interrupt handlers */
 static struct irq_data *irq_list[NR_IRQS];
 static struct irq_chip *irq_chip[NR_IRQS];
@@ -41,6 +42,8 @@ static inline int irq_set_chip(unsigned int irq, struct irq_chip *chip)
 	irq_chip[irq] = chip;
 	return 0;
 }
+#define irq_set_chip_and_handler(irq, chip, dummy)	irq_set_chip(irq, chip)
+#endif /* !CONFIG_GENERIC_HARDIRQS */
 
 static int m68k_first_user_vec;
 
@@ -56,8 +59,10 @@ static struct irq_chip user_irq_chip = {
 	.irq_shutdown	= m68k_irq_shutdown,
 };
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 #define NUM_IRQ_NODES 100
 static struct irq_data nodes[NUM_IRQ_NODES];
+#endif /* !CONFIG_GENERIC_HARDIRQS */
 
 /*
  * void init_IRQ(void)
@@ -81,7 +86,7 @@ void __init init_IRQ(void)
 	}
 
 	for (i = IRQ_AUTO_1; i <= IRQ_AUTO_7; i++)
-		irq_set_chip(i, &auto_irq_chip);
+		irq_set_chip_and_handler(i, &auto_irq_chip, handle_simple_irq);
 
 	mach_init_IRQ();
 }
@@ -128,6 +133,35 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 	flush_icache();
 }
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+
+/**
+ * m68k_setup_irq_controller
+ * @chip: irq chip which controls specified irq
+ * @handle: flow handler which handles specified irq
+ * @irq: first irq to be managed by the controller
+ * @cnt: number of irqs to be managed by the controller
+ *
+ * Change the controller for the specified range of irq, which will be used to
+ * manage these irq. auto/user irq already have a default controller, which can
+ * be changed as well, but the controller probably should use m68k_irq_startup/
+ * m68k_irq_shutdown.
+ */
+void m68k_setup_irq_controller(struct irq_chip *chip,
+			       irq_flow_handler_t handle, unsigned int irq,
+			       unsigned int cnt)
+{
+	int i;
+
+	for (i = 0; i < cnt; i++) {
+		irq_set_chip(irq + i, chip);
+		if (handle)
+			irq_set_handler(irq + i, handle);
+	}
+}
+
+#else /* !CONFIG_GENERIC_HARDIRQS */
+
 /**
  * m68k_setup_irq_chip
  * @contr: irq controller which controls specified irq
@@ -316,6 +350,8 @@ void disable_irq_nosync(unsigned int irq) __attribute__((alias("disable_irq")));
 
 EXPORT_SYMBOL(disable_irq_nosync);
 
+#endif /* !CONFIG_GENERIC_HARDIRQS */
+
 unsigned int m68k_irq_startup_irq(unsigned int irq)
 {
 	if (irq <= IRQ_AUTO_7)
@@ -341,6 +377,8 @@ void m68k_irq_shutdown(struct irq_data *data)
 }
 
 
+#ifndef CONFIG_GENERIC_HARDIRQS
+
 /*
  * Do we need these probe functions on the m68k?
  *
@@ -367,6 +405,7 @@ int probe_irq_off (unsigned long irqs)
 }
 
 EXPORT_SYMBOL(probe_irq_off);
+#endif /* CONFIG_GENERIC_HARDIRQS */
 
 unsigned int irq_canonicalize(unsigned int irq)
 {
@@ -379,6 +418,7 @@ unsigned int irq_canonicalize(unsigned int irq)
 
 EXPORT_SYMBOL(irq_canonicalize);
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 void generic_handle_irq(unsigned int irq)
 {
 	struct irq_data *node;
@@ -428,3 +468,13 @@ void init_irq_proc(void)
 	/* Insert /proc/irq driver here */
 }
 #endif
+
+#else /* CONFIG_GENERIC_HARDIRQS */
+
+asmlinkage void handle_badint(struct pt_regs *regs)
+{
+	atomic_inc(&irq_err_count);
+	pr_warn("unexpected interrupt from %u\n", regs->vector);
+}
+
+#endif /* CONFIG_GENERIC_HARDIRQS */
-- 
GitLab


From e59629ddc6eddbd00e81b4afb814583cfcc4706d Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Fri, 29 Apr 2011 23:35:21 +0200
Subject: [PATCH 0260/1594] m68k/atari: Convert Atari to genirq

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
[v1] Acked-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index a7597e119ab0..9d60f4004076 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -88,7 +88,6 @@ config USE_GENERIC_HARDIRQS
 	bool "Use genirq"
 	depends on MMU
 	depends on !AMIGA
-	depends on !ATARI
 	depends on !MAC
 	depends on !APOLLO
 	depends on !MVME147
-- 
GitLab


From 34971bad3a1511db7b76eeb2337819967a135075 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Thu, 18 Aug 2011 19:36:30 +0200
Subject: [PATCH 0261/1594] m68k/atari: Remove code and comments about
 different irq types

This code was obsoleted during the irq restructuring in 2006.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/atari/ataints.c | 236 --------------------------------------
 1 file changed, 236 deletions(-)

diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index 6149ff994641..af544557dd1d 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -60,244 +60,8 @@
  * <asm/atariints.h>): Autovector interrupts are 1..7, then follow ST-MFP,
  * TT-MFP, SCC, and finally VME interrupts. Vector numbers for the latter can
  * be allocated by atari_register_vme_int().
- *
- * Each interrupt can be of three types:
- *
- *  - SLOW: The handler runs with all interrupts enabled, except the one it
- *    was called by (to avoid reentering). This should be the usual method.
- *    But it is currently possible only for MFP ints, since only the MFP
- *    offers an easy way to mask interrupts.
- *
- *  - FAST: The handler runs with all interrupts disabled. This should be used
- *    only for really fast handlers, that just do actions immediately
- *    necessary, and let the rest do a bottom half or task queue.
- *
- *  - PRIORITIZED: The handler can be interrupted by higher-level ints
- *    (greater IPL, no MFP priorities!). This is the method of choice for ints
- *    which should be slow, but are not from a MFP.
- *
- * The feature of more than one handler for one int source is still there, but
- * only applicable if all handers are of the same type. To not slow down
- * processing of ints with only one handler by the chaining feature, the list
- * calling function atari_call_irq_list() is only plugged in at the time the
- * second handler is registered.
- *
- * Implementation notes: For fast-as-possible int handling, there are separate
- * entry points for each type (slow/fast/prio). The assembler handler calls
- * the irq directly in the usual case, no C wrapper is involved. In case of
- * multiple handlers, atari_call_irq_list() is registered as handler and calls
- * in turn the real irq's. To ease access from assembler level to the irq
- * function pointer and accompanying data, these two are stored in a separate
- * array, irq_handler[]. The rest of data (type, name) are put into a second
- * array, irq_param, that is accessed from C only. For each slow interrupt (32
- * in all) there are separate handler functions, which makes it possible to
- * hard-code the MFP register address and value, are necessary to mask the
- * int. If there'd be only one generic function, lots of calculations would be
- * needed to determine MFP register and int mask from the vector number :-(
- *
- * Furthermore, slow ints may not lower the IPL below its previous value
- * (before the int happened). This is needed so that an int of class PRIO, on
- * that this int may be stacked, cannot be reentered. This feature is
- * implemented as follows: If the stack frame format is 1 (throwaway), the int
- * is not stacked, and the IPL is anded with 0xfbff, resulting in a new level
- * 2, which still blocks the HSYNC, but no interrupts of interest. If the
- * frame format is 0, the int is nested, and the old IPL value can be found in
- * the sr copy in the frame.
  */
 
-#if 0
-
-#define	NUM_INT_SOURCES	(8 + NUM_ATARI_SOURCES)
-
-typedef void (*asm_irq_handler)(void);
-
-struct irqhandler {
-	irqreturn_t (*handler)(int, void *, struct pt_regs *);
-	void	*dev_id;
-};
-
-struct irqparam {
-	unsigned long	flags;
-	const char	*devname;
-};
-
-/*
- * Array with irq's and their parameter data. This array is accessed from low
- * level assembler code, so an element size of 8 allows usage of index scaling
- * addressing mode.
- */
-static struct irqhandler irq_handler[NUM_INT_SOURCES];
-
-/*
- * This array hold the rest of parameters of int handlers: type
- * (slow,fast,prio) and the name of the handler. These values are only
- * accessed from C
- */
-static struct irqparam irq_param[NUM_INT_SOURCES];
-
-/* check for valid int number (complex, sigh...) */
-#define	IS_VALID_INTNO(n)											\
-	((n) > 0 &&														\
-	 /* autovec and ST-MFP ok anyway */								\
-	 (((n) < TTMFP_SOURCE_BASE) ||									\
-	  /* TT-MFP ok if present */									\
-	  ((n) >= TTMFP_SOURCE_BASE && (n) < SCC_SOURCE_BASE &&			\
-	   ATARIHW_PRESENT(TT_MFP)) ||									\
-	  /* SCC ok if present and number even */						\
-	  ((n) >= SCC_SOURCE_BASE && (n) < VME_SOURCE_BASE &&			\
-	   !((n) & 1) && ATARIHW_PRESENT(SCC)) ||						\
-	  /* greater numbers ok if they are registered VME vectors */		\
-	  ((n) >= VME_SOURCE_BASE && (n) < VME_SOURCE_BASE + VME_MAX_SOURCES && \
-		  free_vme_vec_bitmap & (1 << ((n) - VME_SOURCE_BASE)))))
-
-
-/*
- * Here start the assembler entry points for interrupts
- */
-
-#define IRQ_NAME(nr) atari_slow_irq_##nr##_handler(void)
-
-#define	BUILD_SLOW_IRQ(n)						   \
-asmlinkage void IRQ_NAME(n);						   \
-/* Dummy function to allow asm with operands.  */			   \
-void atari_slow_irq_##n##_dummy (void) {				   \
-__asm__ (__ALIGN_STR "\n"						   \
-"atari_slow_irq_" #n "_handler:\t"					   \
-"	addl	%6,%5\n"	/* preempt_count() += HARDIRQ_OFFSET */	   \
-	SAVE_ALL_INT "\n"						   \
-	GET_CURRENT(%%d0) "\n"						   \
-"	andb	#~(1<<(%c3&7)),%a4:w\n"	/* mask this interrupt */	   \
-	/* get old IPL from stack frame */				   \
-"	bfextu	%%sp@(%c2){#5,#3},%%d0\n"				   \
-"	movew	%%sr,%%d1\n"						   \
-"	bfins	%%d0,%%d1{#21,#3}\n"					   \
-"	movew	%%d1,%%sr\n"		/* set IPL = previous value */	   \
-"	addql	#1,%a0\n"						   \
-"	lea	%a1,%%a0\n"						   \
-"	pea	%%sp@\n"		/* push addr of frame */	   \
-"	movel	%%a0@(4),%%sp@-\n"	/* push handler data */		   \
-"	pea	(%c3+8)\n"		/* push int number */		   \
-"	movel	%%a0@,%%a0\n"						   \
-"	jbsr	%%a0@\n"		/* call the handler */		   \
-"	addql	#8,%%sp\n"						   \
-"	addql	#4,%%sp\n"						   \
-"	orw	#0x0600,%%sr\n"						   \
-"	andw	#0xfeff,%%sr\n"		/* set IPL = 6 again */		   \
-"	orb	#(1<<(%c3&7)),%a4:w\n"	/* now unmask the int again */	   \
-"	jbra	ret_from_interrupt\n"					   \
-	 : : "i" (&kstat_cpu(0).irqs[n+8]), "i" (&irq_handler[n+8]),	   \
-	     "n" (PT_OFF_SR), "n" (n),					   \
-	     "i" (n & 8 ? (n & 16 ? &tt_mfp.int_mk_a : &st_mfp.int_mk_a)   \
-		        : (n & 16 ? &tt_mfp.int_mk_b : &st_mfp.int_mk_b)), \
-	     "m" (preempt_count()), "di" (HARDIRQ_OFFSET)		   \
-);									   \
-	for (;;);			/* fake noreturn */		   \
-}
-
-BUILD_SLOW_IRQ(0);
-BUILD_SLOW_IRQ(1);
-BUILD_SLOW_IRQ(2);
-BUILD_SLOW_IRQ(3);
-BUILD_SLOW_IRQ(4);
-BUILD_SLOW_IRQ(5);
-BUILD_SLOW_IRQ(6);
-BUILD_SLOW_IRQ(7);
-BUILD_SLOW_IRQ(8);
-BUILD_SLOW_IRQ(9);
-BUILD_SLOW_IRQ(10);
-BUILD_SLOW_IRQ(11);
-BUILD_SLOW_IRQ(12);
-BUILD_SLOW_IRQ(13);
-BUILD_SLOW_IRQ(14);
-BUILD_SLOW_IRQ(15);
-BUILD_SLOW_IRQ(16);
-BUILD_SLOW_IRQ(17);
-BUILD_SLOW_IRQ(18);
-BUILD_SLOW_IRQ(19);
-BUILD_SLOW_IRQ(20);
-BUILD_SLOW_IRQ(21);
-BUILD_SLOW_IRQ(22);
-BUILD_SLOW_IRQ(23);
-BUILD_SLOW_IRQ(24);
-BUILD_SLOW_IRQ(25);
-BUILD_SLOW_IRQ(26);
-BUILD_SLOW_IRQ(27);
-BUILD_SLOW_IRQ(28);
-BUILD_SLOW_IRQ(29);
-BUILD_SLOW_IRQ(30);
-BUILD_SLOW_IRQ(31);
-
-asm_irq_handler slow_handlers[32] = {
-	[0]	= atari_slow_irq_0_handler,
-	[1]	= atari_slow_irq_1_handler,
-	[2]	= atari_slow_irq_2_handler,
-	[3]	= atari_slow_irq_3_handler,
-	[4]	= atari_slow_irq_4_handler,
-	[5]	= atari_slow_irq_5_handler,
-	[6]	= atari_slow_irq_6_handler,
-	[7]	= atari_slow_irq_7_handler,
-	[8]	= atari_slow_irq_8_handler,
-	[9]	= atari_slow_irq_9_handler,
-	[10]	= atari_slow_irq_10_handler,
-	[11]	= atari_slow_irq_11_handler,
-	[12]	= atari_slow_irq_12_handler,
-	[13]	= atari_slow_irq_13_handler,
-	[14]	= atari_slow_irq_14_handler,
-	[15]	= atari_slow_irq_15_handler,
-	[16]	= atari_slow_irq_16_handler,
-	[17]	= atari_slow_irq_17_handler,
-	[18]	= atari_slow_irq_18_handler,
-	[19]	= atari_slow_irq_19_handler,
-	[20]	= atari_slow_irq_20_handler,
-	[21]	= atari_slow_irq_21_handler,
-	[22]	= atari_slow_irq_22_handler,
-	[23]	= atari_slow_irq_23_handler,
-	[24]	= atari_slow_irq_24_handler,
-	[25]	= atari_slow_irq_25_handler,
-	[26]	= atari_slow_irq_26_handler,
-	[27]	= atari_slow_irq_27_handler,
-	[28]	= atari_slow_irq_28_handler,
-	[29]	= atari_slow_irq_29_handler,
-	[30]	= atari_slow_irq_30_handler,
-	[31]	= atari_slow_irq_31_handler
-};
-
-asmlinkage void atari_fast_irq_handler( void );
-asmlinkage void atari_prio_irq_handler( void );
-
-/* Dummy function to allow asm with operands.  */
-void atari_fast_prio_irq_dummy (void) {
-__asm__ (__ALIGN_STR "\n"
-"atari_fast_irq_handler:\n\t"
-	"orw	#0x700,%%sr\n"		/* disable all interrupts */
-"atari_prio_irq_handler:\n\t"
-	"addl	%3,%2\n\t"		/* preempt_count() += HARDIRQ_OFFSET */
-	SAVE_ALL_INT "\n\t"
-	GET_CURRENT(%%d0) "\n\t"
-	/* get vector number from stack frame and convert to source */
-	"bfextu	%%sp@(%c1){#4,#10},%%d0\n\t"
-	"subw	#(0x40-8),%%d0\n\t"
-	"jpl	1f\n\t"
-	"addw	#(0x40-8-0x18),%%d0\n"
-    "1:\tlea	%a0,%%a0\n\t"
-	"addql	#1,%%a0@(%%d0:l:4)\n\t"
-	"lea	irq_handler,%%a0\n\t"
-	"lea	%%a0@(%%d0:l:8),%%a0\n\t"
-	"pea	%%sp@\n\t"		/* push frame address */
-	"movel	%%a0@(4),%%sp@-\n\t"	/* push handler data */
-	"movel	%%d0,%%sp@-\n\t"	/* push int number */
-	"movel	%%a0@,%%a0\n\t"
-	"jsr	%%a0@\n\t"		/* and call the handler */
-	"addql	#8,%%sp\n\t"
-	"addql	#4,%%sp\n\t"
-	"jbra	ret_from_interrupt"
-	 : : "i" (&kstat_cpu(0).irqs), "n" (PT_OFF_FORMATVEC),
-	     "m" (preempt_count()), "di" (HARDIRQ_OFFSET)
-);
-	for (;;);
-}
-#endif
-
 /*
  * Bitmap for free interrupt vector numbers
  * (new vectors starting from 0x70 can be allocated by
-- 
GitLab


From 92b1bd5f1aa88ce4760c02814bfcbb58ad521984 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 31 May 2011 11:11:01 +0200
Subject: [PATCH 0262/1594] m68k/amiga: Refactor amiints.c

  - Remove filename in comments,
  - Reorder functions so we no longer need forward declarations.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/amiints.c | 98 +++++++++++++++++++--------------------
 1 file changed, 47 insertions(+), 51 deletions(-)

diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index e5f3033499e7..c8f9eac121a1 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/m68k/amiga/amiints.c -- Amiga Linux interrupt handling code
+ * Amiga Linux interrupt handling code
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file COPYING in the main directory of this archive
@@ -16,56 +16,6 @@
 #include <asm/amigaints.h>
 #include <asm/amipcmcia.h>
 
-static void amiga_irq_enable(struct irq_data *data);
-static void amiga_irq_disable(struct irq_data *data);
-static irqreturn_t ami_int1(int irq, void *dev_id);
-static irqreturn_t ami_int3(int irq, void *dev_id);
-static irqreturn_t ami_int4(int irq, void *dev_id);
-static irqreturn_t ami_int5(int irq, void *dev_id);
-
-static struct irq_chip amiga_irq_chip = {
-	.name		= "amiga",
-	.irq_enable	= amiga_irq_enable,
-	.irq_disable	= amiga_irq_disable,
-};
-
-/*
- * void amiga_init_IRQ(void)
- *
- * Parameters:	None
- *
- * Returns:	Nothing
- *
- * This function should be called during kernel startup to initialize
- * the amiga IRQ handling routines.
- */
-
-void __init amiga_init_IRQ(void)
-{
-	if (request_irq(IRQ_AUTO_1, ami_int1, 0, "int1", NULL))
-		pr_err("Couldn't register int%d\n", 1);
-	if (request_irq(IRQ_AUTO_3, ami_int3, 0, "int3", NULL))
-		pr_err("Couldn't register int%d\n", 3);
-	if (request_irq(IRQ_AUTO_4, ami_int4, 0, "int4", NULL))
-		pr_err("Couldn't register int%d\n", 4);
-	if (request_irq(IRQ_AUTO_5, ami_int5, 0, "int5", NULL))
-		pr_err("Couldn't register int%d\n", 5);
-
-	m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER,
-				  AMI_STD_IRQS);
-
-	/* turn off PCMCIA interrupts */
-	if (AMIGAHW_PRESENT(PCMCIA))
-		gayle.inten = GAYLE_IRQ_IDE;
-
-	/* turn off all interrupts and enable the master interrupt bit */
-	amiga_custom.intena = 0x7fff;
-	amiga_custom.intreq = 0x7fff;
-	amiga_custom.intena = IF_SETCLR | IF_INTEN;
-
-	cia_init_IRQ(&ciaa_base);
-	cia_init_IRQ(&ciab_base);
-}
 
 /*
  * Enable/disable a particular machine specific interrupt source.
@@ -84,6 +34,13 @@ static void amiga_irq_disable(struct irq_data *data)
 	amiga_custom.intena = 1 << (data->irq - IRQ_USER);
 }
 
+static struct irq_chip amiga_irq_chip = {
+	.name		= "amiga",
+	.irq_enable	= amiga_irq_enable,
+	.irq_disable	= amiga_irq_disable,
+};
+
+
 /*
  * The builtin Amiga hardware interrupt handlers.
  */
@@ -183,3 +140,42 @@ static irqreturn_t ami_int5(int irq, void *dev_id)
 	}
 	return IRQ_HANDLED;
 }
+
+
+/*
+ * void amiga_init_IRQ(void)
+ *
+ * Parameters:	None
+ *
+ * Returns:	Nothing
+ *
+ * This function should be called during kernel startup to initialize
+ * the amiga IRQ handling routines.
+ */
+
+void __init amiga_init_IRQ(void)
+{
+	if (request_irq(IRQ_AUTO_1, ami_int1, 0, "int1", NULL))
+		pr_err("Couldn't register int%d\n", 1);
+	if (request_irq(IRQ_AUTO_3, ami_int3, 0, "int3", NULL))
+		pr_err("Couldn't register int%d\n", 3);
+	if (request_irq(IRQ_AUTO_4, ami_int4, 0, "int4", NULL))
+		pr_err("Couldn't register int%d\n", 4);
+	if (request_irq(IRQ_AUTO_5, ami_int5, 0, "int5", NULL))
+		pr_err("Couldn't register int%d\n", 5);
+
+	m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER,
+				  AMI_STD_IRQS);
+
+	/* turn off PCMCIA interrupts */
+	if (AMIGAHW_PRESENT(PCMCIA))
+		gayle.inten = GAYLE_IRQ_IDE;
+
+	/* turn off all interrupts and enable the master interrupt bit */
+	amiga_custom.intena = 0x7fff;
+	amiga_custom.intreq = 0x7fff;
+	amiga_custom.intena = IF_SETCLR | IF_INTEN;
+
+	cia_init_IRQ(&ciaa_base);
+	cia_init_IRQ(&ciab_base);
+}
-- 
GitLab


From 978ef7e6d0e02083e4a62ab4411922bdeffa36a4 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 31 May 2011 22:08:28 +0200
Subject: [PATCH 0263/1594] m68k/amiga: Convert Amiga to genirq

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/Kconfig         | 1 -
 arch/m68k/amiga/amiints.c | 3 +++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 9d60f4004076..9000921385aa 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -87,7 +87,6 @@ config MMU_SUN3
 config USE_GENERIC_HARDIRQS
 	bool "Use genirq"
 	depends on MMU
-	depends on !AMIGA
 	depends on !MAC
 	depends on !APOLLO
 	depends on !MVME147
diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index c8f9eac121a1..c3da5342f495 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -9,6 +9,9 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/errno.h>
+#ifdef CONFIG_GENERIC_HARDIRQS
+#include <linux/irq.h>
+#endif
 
 #include <asm/irq.h>
 #include <asm/traps.h>
-- 
GitLab


From fb1b646aa3bcae2f8211136a6b40228c7c9d236c Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 1 Jun 2011 11:49:18 +0200
Subject: [PATCH 0264/1594] m68k/amiga: Optimize interrupts using chain
 handlers

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/amiga/amiints.c | 104 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)

diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index c3da5342f495..a8da47126584 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -48,6 +48,99 @@ static struct irq_chip amiga_irq_chip = {
  * The builtin Amiga hardware interrupt handlers.
  */
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+static void ami_int1(unsigned int irq, struct irq_desc *desc)
+{
+	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
+
+	/* if serial transmit buffer empty, interrupt */
+	if (ints & IF_TBE) {
+		amiga_custom.intreq = IF_TBE;
+		generic_handle_irq(IRQ_AMIGA_TBE);
+	}
+
+	/* if floppy disk transfer complete, interrupt */
+	if (ints & IF_DSKBLK) {
+		amiga_custom.intreq = IF_DSKBLK;
+		generic_handle_irq(IRQ_AMIGA_DSKBLK);
+	}
+
+	/* if software interrupt set, interrupt */
+	if (ints & IF_SOFT) {
+		amiga_custom.intreq = IF_SOFT;
+		generic_handle_irq(IRQ_AMIGA_SOFT);
+	}
+}
+
+static void ami_int3(unsigned int irq, struct irq_desc *desc)
+{
+	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
+
+	/* if a blitter interrupt */
+	if (ints & IF_BLIT) {
+		amiga_custom.intreq = IF_BLIT;
+		generic_handle_irq(IRQ_AMIGA_BLIT);
+	}
+
+	/* if a copper interrupt */
+	if (ints & IF_COPER) {
+		amiga_custom.intreq = IF_COPER;
+		generic_handle_irq(IRQ_AMIGA_COPPER);
+	}
+
+	/* if a vertical blank interrupt */
+	if (ints & IF_VERTB) {
+		amiga_custom.intreq = IF_VERTB;
+		generic_handle_irq(IRQ_AMIGA_VERTB);
+	}
+}
+
+static void ami_int4(unsigned int irq, struct irq_desc *desc)
+{
+	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
+
+	/* if audio 0 interrupt */
+	if (ints & IF_AUD0) {
+		amiga_custom.intreq = IF_AUD0;
+		generic_handle_irq(IRQ_AMIGA_AUD0);
+	}
+
+	/* if audio 1 interrupt */
+	if (ints & IF_AUD1) {
+		amiga_custom.intreq = IF_AUD1;
+		generic_handle_irq(IRQ_AMIGA_AUD1);
+	}
+
+	/* if audio 2 interrupt */
+	if (ints & IF_AUD2) {
+		amiga_custom.intreq = IF_AUD2;
+		generic_handle_irq(IRQ_AMIGA_AUD2);
+	}
+
+	/* if audio 3 interrupt */
+	if (ints & IF_AUD3) {
+		amiga_custom.intreq = IF_AUD3;
+		generic_handle_irq(IRQ_AMIGA_AUD3);
+	}
+}
+
+static void ami_int5(unsigned int irq, struct irq_desc *desc)
+{
+	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
+
+	/* if serial receive buffer full interrupt */
+	if (ints & IF_RBF) {
+		/* acknowledge of IF_RBF must be done by the serial interrupt */
+		generic_handle_irq(IRQ_AMIGA_RBF);
+	}
+
+	/* if a disk sync interrupt */
+	if (ints & IF_DSKSYN) {
+		amiga_custom.intreq = IF_DSKSYN;
+		generic_handle_irq(IRQ_AMIGA_DSKSYN);
+	}
+}
+#else /* !CONFIG_GENERIC_HARDIRQS */
 static irqreturn_t ami_int1(int irq, void *dev_id)
 {
 	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
@@ -143,6 +236,7 @@ static irqreturn_t ami_int5(int irq, void *dev_id)
 	}
 	return IRQ_HANDLED;
 }
+#endif /* !CONFIG_GENERIC_HARDIRQS */
 
 
 /*
@@ -158,6 +252,15 @@ static irqreturn_t ami_int5(int irq, void *dev_id)
 
 void __init amiga_init_IRQ(void)
 {
+#ifdef CONFIG_GENERIC_HARDIRQS
+	m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER,
+				  AMI_STD_IRQS);
+
+	irq_set_chained_handler(IRQ_AUTO_1, ami_int1);
+	irq_set_chained_handler(IRQ_AUTO_3, ami_int3);
+	irq_set_chained_handler(IRQ_AUTO_4, ami_int4);
+	irq_set_chained_handler(IRQ_AUTO_5, ami_int5);
+#else /* !CONFIG_GENERIC_HARDIRQS */
 	if (request_irq(IRQ_AUTO_1, ami_int1, 0, "int1", NULL))
 		pr_err("Couldn't register int%d\n", 1);
 	if (request_irq(IRQ_AUTO_3, ami_int3, 0, "int3", NULL))
@@ -169,6 +272,7 @@ void __init amiga_init_IRQ(void)
 
 	m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER,
 				  AMI_STD_IRQS);
+#endif /* !CONFIG_GENERIC_HARDIRQS */
 
 	/* turn off PCMCIA interrupts */
 	if (AMIGAHW_PRESENT(PCMCIA))
-- 
GitLab


From ddc7fd25d09678f8252c0321ef4b66e8451abe7d Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 13 Jul 2011 21:48:30 +0200
Subject: [PATCH 0265/1594] m68k/mac: Convert Mac to genirq

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/Kconfig      | 1 -
 arch/m68k/mac/baboon.c | 3 +++
 arch/m68k/mac/oss.c    | 3 +++
 arch/m68k/mac/psc.c    | 3 +++
 arch/m68k/mac/via.c    | 3 +++
 5 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 9000921385aa..9ba1a89e0032 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -87,7 +87,6 @@ config MMU_SUN3
 config USE_GENERIC_HARDIRQS
 	bool "Use genirq"
 	depends on MMU
-	depends on !MAC
 	depends on !APOLLO
 	depends on !MVME147
 	depends on !MVME16x
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index f264791b8694..ff11746b0621 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -11,6 +11,9 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#ifdef CONFIG_GENERIC_HARDIRQS
+#include <linux/irq.h>
+#endif
 
 #include <asm/traps.h>
 #include <asm/bootinfo.h>
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 1eb60f071007..ed952704e6ee 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -19,6 +19,9 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#ifdef CONFIG_GENERIC_HARDIRQS
+#include <linux/irq.h>
+#endif
 
 #include <asm/bootinfo.h>
 #include <asm/macintosh.h>
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index 26c2b6595808..0a34b7afc376 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -18,6 +18,9 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#ifdef CONFIG_GENERIC_HARDIRQS
+#include <linux/irq.h>
+#endif
 
 #include <asm/traps.h>
 #include <asm/bootinfo.h>
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index af9ed33bec14..bde156caa46d 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -28,6 +28,9 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/module.h>
+#ifdef CONFIG_GENERIC_HARDIRQS
+#include <linux/irq.h>
+#endif
 
 #include <asm/bootinfo.h>
 #include <asm/macintosh.h>
-- 
GitLab


From 9145db564eae98134de8eb8d64b47d7177eccfdd Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 10 Aug 2011 12:48:29 +0200
Subject: [PATCH 0266/1594] m68k/mac: Optimize interrupts using chain handlers

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/mac/baboon.c |  38 +++++++++++
 arch/m68k/mac/oss.c    | 106 ++++++++++++++++++++++++------
 arch/m68k/mac/psc.c    |  74 ++++++++++++++++-----
 arch/m68k/mac/via.c    | 143 +++++++++++++++++++++++++++++++++--------
 4 files changed, 298 insertions(+), 63 deletions(-)

diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index ff11746b0621..425144cbfa7d 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -56,6 +56,39 @@ void __init baboon_init(void)
  * Baboon interrupt handler. This works a lot like a VIA.
  */
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+static void baboon_irq(unsigned int irq, struct irq_desc *desc)
+{
+	int irq_bit, irq_num;
+	unsigned char events;
+
+#ifdef DEBUG_IRQS
+	printk("baboon_irq: mb_control %02X mb_ifr %02X mb_status %02X\n",
+		(uint) baboon->mb_control, (uint) baboon->mb_ifr,
+		(uint) baboon->mb_status);
+#endif
+
+	events = baboon->mb_ifr & 0x07;
+	if (!events)
+		return;
+
+	irq_num = IRQ_BABOON_0;
+	irq_bit = 1;
+	do {
+	        if (events & irq_bit) {
+			baboon->mb_ifr &= ~irq_bit;
+			generic_handle_irq(irq_num);
+		}
+		irq_bit <<= 1;
+		irq_num++;
+	} while(events >= irq_bit);
+#if 0
+	if (baboon->mb_ifr & 0x02) macide_ack_intr(NULL);
+	/* for now we need to smash all interrupts */
+	baboon->mb_ifr &= ~events;
+#endif
+}
+#else
 static irqreturn_t baboon_irq(int irq, void *dev_id)
 {
 	int irq_bit, irq_num;
@@ -87,6 +120,7 @@ static irqreturn_t baboon_irq(int irq, void *dev_id)
 #endif
 	return IRQ_HANDLED;
 }
+#endif
 
 /*
  * Register the Baboon interrupt dispatcher on nubus slot $C.
@@ -95,8 +129,12 @@ static irqreturn_t baboon_irq(int irq, void *dev_id)
 void __init baboon_register_interrupts(void)
 {
 	baboon_disabled = 0;
+#ifdef CONFIG_GENERIC_HARDIRQS
+	irq_set_chained_handler(IRQ_NUBUS_C, baboon_irq);
+#else
 	if (request_irq(IRQ_NUBUS_C, baboon_irq, 0, "baboon", (void *)baboon))
 		pr_err("Couldn't register baboon interrupt\n");
+#endif
 }
 
 /*
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index ed952704e6ee..cc784c2ff6e8 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -32,10 +32,11 @@
 int oss_present;
 volatile struct mac_oss *oss;
 
-static irqreturn_t oss_irq(int, void *);
-static irqreturn_t oss_nubus_irq(int, void *);
-
+#ifdef CONFIG_GENERIC_HARDIRQS
+extern void via1_irq(unsigned int irq, struct irq_desc *desc);
+#else
 extern irqreturn_t via1_irq(int, void *);
+#endif
 
 /*
  * Initialize the OSS
@@ -62,23 +63,6 @@ void __init oss_init(void)
 	oss->irq_level[OSS_VIA1] = OSS_IRQLEV_VIA1;
 }
 
-/*
- * Register the OSS and NuBus interrupt dispatchers.
- */
-
-void __init oss_register_interrupts(void)
-{
-	if (request_irq(OSS_IRQLEV_SCSI, oss_irq, 0, "scsi", (void *)oss))
-		pr_err("Couldn't register %s interrupt\n", "scsi");
-	if (request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, 0, "nubus",
-			(void *)oss))
-		pr_err("Couldn't register %s interrupt\n", "nubus");
-	if (request_irq(OSS_IRQLEV_SOUND, oss_irq, 0, "sound", (void *)oss))
-		pr_err("Couldn't register %s interrupt\n", "sound");
-	if (request_irq(OSS_IRQLEV_VIA1, via1_irq, 0, "via1", (void *)via1))
-		pr_err("Couldn't register %s interrupt\n", "via1");
-}
-
 /*
  * Initialize OSS for Nubus access
  */
@@ -92,6 +76,34 @@ void __init oss_nubus_init(void)
  * and SCSI; everything else is routed to its own autovector IRQ.
  */
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+static void oss_irq(unsigned int irq, struct irq_desc *desc)
+{
+	int events;
+
+	events = oss->irq_pending & (OSS_IP_SOUND|OSS_IP_SCSI);
+	if (!events)
+		return;
+
+#ifdef DEBUG_IRQS
+	if ((console_loglevel == 10) && !(events & OSS_IP_SCSI)) {
+		printk("oss_irq: irq %u events = 0x%04X\n", irq,
+			(int) oss->irq_pending);
+	}
+#endif
+	/* FIXME: how do you clear a pending IRQ?    */
+
+	if (events & OSS_IP_SOUND) {
+		oss->irq_pending &= ~OSS_IP_SOUND;
+		/* FIXME: call sound handler */
+	} else if (events & OSS_IP_SCSI) {
+		oss->irq_pending &= ~OSS_IP_SCSI;
+		generic_handle_irq(IRQ_MAC_SCSI);
+	} else {
+		/* FIXME: error check here? */
+	}
+}
+#else
 static irqreturn_t oss_irq(int irq, void *dev_id)
 {
 	int events;
@@ -119,6 +131,7 @@ static irqreturn_t oss_irq(int irq, void *dev_id)
 	}
 	return IRQ_HANDLED;
 }
+#endif
 
 /*
  * Nubus IRQ handler, OSS style
@@ -126,6 +139,34 @@ static irqreturn_t oss_irq(int irq, void *dev_id)
  * Unlike the VIA/RBV this is on its own autovector interrupt level.
  */
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+static void oss_nubus_irq(unsigned int irq, struct irq_desc *desc)
+{
+	int events, irq_bit, i;
+
+	events = oss->irq_pending & OSS_IP_NUBUS;
+	if (!events)
+		return;
+
+#ifdef DEBUG_NUBUS_INT
+	if (console_loglevel > 7) {
+		printk("oss_nubus_irq: events = 0x%04X\n", events);
+	}
+#endif
+	/* There are only six slots on the OSS, not seven */
+
+	i = 6;
+	irq_bit = 0x40;
+	do {
+		--i;
+		irq_bit >>= 1;
+		if (events & irq_bit) {
+			oss->irq_pending &= ~irq_bit;
+			generic_handle_irq(NUBUS_SOURCE_BASE + i);
+		}
+	} while(events & (irq_bit - 1));
+}
+#else
 static irqreturn_t oss_nubus_irq(int irq, void *dev_id)
 {
 	int events, irq_bit, i;
@@ -153,6 +194,31 @@ static irqreturn_t oss_nubus_irq(int irq, void *dev_id)
 	} while(events & (irq_bit - 1));
 	return IRQ_HANDLED;
 }
+#endif
+
+/*
+ * Register the OSS and NuBus interrupt dispatchers.
+ */
+
+void __init oss_register_interrupts(void)
+{
+#ifdef CONFIG_GENERIC_HARDIRQS
+	irq_set_chained_handler(OSS_IRQLEV_SCSI, oss_irq);
+	irq_set_chained_handler(OSS_IRQLEV_NUBUS, oss_nubus_irq);
+	irq_set_chained_handler(OSS_IRQLEV_SOUND, oss_irq);
+	irq_set_chained_handler(OSS_IRQLEV_VIA1, via1_irq);
+#else /* !CONFIG_GENERIC_HARDIRQS */
+	if (request_irq(OSS_IRQLEV_SCSI, oss_irq, 0, "scsi", (void *)oss))
+		pr_err("Couldn't register %s interrupt\n", "scsi");
+	if (request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, 0, "nubus",
+			(void *)oss))
+		pr_err("Couldn't register %s interrupt\n", "nubus");
+	if (request_irq(OSS_IRQLEV_SOUND, oss_irq, 0, "sound", (void *)oss))
+		pr_err("Couldn't register %s interrupt\n", "sound");
+	if (request_irq(OSS_IRQLEV_VIA1, via1_irq, 0, "via1", (void *)via1))
+		pr_err("Couldn't register %s interrupt\n", "via1");
+#endif /* !CONFIG_GENERIC_HARDIRQS */
+}
 
 /*
  * Enable an OSS interrupt
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index 0a34b7afc376..52840b8c03b8 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -33,8 +33,6 @@
 int psc_present;
 volatile __u8 *psc;
 
-irqreturn_t psc_irq(int, void *);
-
 /*
  * Debugging dump, used in various places to see what's going on.
  */
@@ -115,26 +113,40 @@ void __init psc_init(void)
 }
 
 /*
- * Register the PSC interrupt dispatchers for autovector interrupts 3-6.
+ * PSC interrupt handler. It's a lot like the VIA interrupt handler.
  */
 
-void __init psc_register_interrupts(void)
+#ifdef CONFIG_GENERIC_HARDIRQS
+static void psc_irq(unsigned int irq, struct irq_desc *desc)
 {
-	if (request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30))
-		pr_err("Couldn't register psc%d interrupt\n", 3);
-	if (request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40))
-		pr_err("Couldn't register psc%d interrupt\n", 4);
-	if (request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50))
-		pr_err("Couldn't register psc%d interrupt\n", 5);
-	if (request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60))
-		pr_err("Couldn't register psc%d interrupt\n", 6);
-}
+	unsigned int offset = (unsigned int)irq_desc_get_handler_data(desc);
+	int pIFR	= pIFRbase + offset;
+	int pIER	= pIERbase + offset;
+	int irq_num;
+	unsigned char irq_bit, events;
 
-/*
- * PSC interrupt handler. It's a lot like the VIA interrupt handler.
- */
+#ifdef DEBUG_IRQS
+	printk("psc_irq: irq %u pIFR = 0x%02X pIER = 0x%02X\n",
+		irq, (int) psc_read_byte(pIFR), (int) psc_read_byte(pIER));
+#endif
 
-irqreturn_t psc_irq(int irq, void *dev_id)
+	events = psc_read_byte(pIFR) & psc_read_byte(pIER) & 0xF;
+	if (!events)
+		return;
+
+	irq_num = irq << 3;
+	irq_bit = 1;
+	do {
+		if (events & irq_bit) {
+			psc_write_byte(pIFR, irq_bit);
+			generic_handle_irq(irq_num);
+		}
+		irq_num++;
+		irq_bit <<= 1;
+	} while (events >= irq_bit);
+}
+#else
+static irqreturn_t psc_irq(int irq, void *dev_id)
 {
 	int pIFR	= pIFRbase + ((int) dev_id);
 	int pIER	= pIERbase + ((int) dev_id);
@@ -162,6 +174,34 @@ irqreturn_t psc_irq(int irq, void *dev_id)
 	} while (events >= irq_bit);
 	return IRQ_HANDLED;
 }
+#endif
+
+/*
+ * Register the PSC interrupt dispatchers for autovector interrupts 3-6.
+ */
+
+void __init psc_register_interrupts(void)
+{
+#ifdef CONFIG_GENERIC_HARDIRQS
+	irq_set_chained_handler(IRQ_AUTO_3, psc_irq);
+	irq_set_handler_data(IRQ_AUTO_3, (void *)0x30);
+	irq_set_chained_handler(IRQ_AUTO_4, psc_irq);
+	irq_set_handler_data(IRQ_AUTO_4, (void *)0x40);
+	irq_set_chained_handler(IRQ_AUTO_5, psc_irq);
+	irq_set_handler_data(IRQ_AUTO_5, (void *)0x50);
+	irq_set_chained_handler(IRQ_AUTO_6, psc_irq);
+	irq_set_handler_data(IRQ_AUTO_6, (void *)0x60);
+#else /* !CONFIG_GENERIC_HARDIRQS */
+	if (request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30))
+		pr_err("Couldn't register psc%d interrupt\n", 3);
+	if (request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40))
+		pr_err("Couldn't register psc%d interrupt\n", 4);
+	if (request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50))
+		pr_err("Couldn't register psc%d interrupt\n", 5);
+	if (request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60))
+		pr_err("Couldn't register psc%d interrupt\n", 6);
+#endif /* !CONFIG_GENERIC_HARDIRQS */
+}
 
 void psc_irq_enable(int irq) {
 	int irq_src	= IRQ_SRC(irq);
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index bde156caa46d..b8156ac496a0 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -80,9 +80,6 @@ static int gIER,gIFR,gBufA,gBufB;
 static u8 nubus_disabled;
 
 void via_debug_dump(void);
-irqreturn_t via1_irq(int, void *);
-irqreturn_t via2_irq(int, void *);
-irqreturn_t via_nubus_irq(int, void *);
 void via_irq_enable(int irq);
 void via_irq_disable(int irq);
 void via_irq_clear(int irq);
@@ -288,29 +285,6 @@ void __init via_init_clock(irq_handler_t func)
 		pr_err("Couldn't register %s interrupt\n", "timer");
 }
 
-/*
- * Register the interrupt dispatchers for VIA or RBV machines only.
- */
-
-void __init via_register_interrupts(void)
-{
-	if (via_alt_mapping) {
-		if (request_irq(IRQ_AUTO_1, via1_irq, 0, "software",
-				(void *)via1))
-			pr_err("Couldn't register %s interrupt\n", "software");
-		if (request_irq(IRQ_AUTO_6, via1_irq, 0, "via1", (void *)via1))
-			pr_err("Couldn't register %s interrupt\n", "via1");
-	} else {
-		if (request_irq(IRQ_AUTO_1, via1_irq, 0, "via1", (void *)via1))
-			pr_err("Couldn't register %s interrupt\n", "via1");
-	}
-	if (request_irq(IRQ_AUTO_2, via2_irq, 0, "via2", (void *)via2))
-		pr_err("Couldn't register %s interrupt\n", "via2");
-	if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq, 0, "nubus",
-			(void *)via2))
-		pr_err("Couldn't register %s interrupt\n", "nubus");
-}
-
 /*
  * Debugging dump, used in various places to see what's going on.
  */
@@ -443,6 +417,49 @@ void __init via_nubus_init(void)
  * via6522.c :-), disable/pending masks added.
  */
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+void via1_irq(unsigned int irq, struct irq_desc *desc)
+{
+	int irq_num;
+	unsigned char irq_bit, events;
+
+	events = via1[vIFR] & via1[vIER] & 0x7F;
+	if (!events)
+		return;
+
+	irq_num = VIA1_SOURCE_BASE;
+	irq_bit = 1;
+	do {
+		if (events & irq_bit) {
+			via1[vIFR] = irq_bit;
+			generic_handle_irq(irq_num);
+		}
+		++irq_num;
+		irq_bit <<= 1;
+	} while (events >= irq_bit);
+}
+
+static void via2_irq(unsigned int irq, struct irq_desc *desc)
+{
+	int irq_num;
+	unsigned char irq_bit, events;
+
+	events = via2[gIFR] & via2[gIER] & 0x7F;
+	if (!events)
+		return;
+
+	irq_num = VIA2_SOURCE_BASE;
+	irq_bit = 1;
+	do {
+		if (events & irq_bit) {
+			via2[gIFR] = irq_bit | rbv_clear;
+			generic_handle_irq(irq_num);
+		}
+		++irq_num;
+		irq_bit <<= 1;
+	} while (events >= irq_bit);
+}
+#else
 irqreturn_t via1_irq(int irq, void *dev_id)
 {
 	int irq_num;
@@ -486,12 +503,49 @@ irqreturn_t via2_irq(int irq, void *dev_id)
 	} while (events >= irq_bit);
 	return IRQ_HANDLED;
 }
+#endif
 
 /*
  * Dispatch Nubus interrupts. We are called as a secondary dispatch by the
  * VIA2 dispatcher as a fast interrupt handler.
  */
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+void via_nubus_irq(unsigned int irq, struct irq_desc *desc)
+{
+	int slot_irq;
+	unsigned char slot_bit, events;
+
+	events = ~via2[gBufA] & 0x7F;
+	if (rbv_present)
+		events &= via2[rSIER];
+	else
+		events &= ~via2[vDirA];
+	if (!events)
+		return;
+
+	do {
+		slot_irq = IRQ_NUBUS_F;
+		slot_bit = 0x40;
+		do {
+			if (events & slot_bit) {
+				events &= ~slot_bit;
+				generic_handle_irq(slot_irq);
+			}
+			--slot_irq;
+			slot_bit >>= 1;
+		} while (events);
+
+ 		/* clear the CA1 interrupt and make certain there's no more. */
+		via2[gIFR] = 0x02 | rbv_clear;
+		events = ~via2[gBufA] & 0x7F;
+		if (rbv_present)
+			events &= via2[rSIER];
+		else
+			events &= ~via2[vDirA];
+	} while (events);
+}
+#else
 irqreturn_t via_nubus_irq(int irq, void *dev_id)
 {
 	int slot_irq;
@@ -527,6 +581,43 @@ irqreturn_t via_nubus_irq(int irq, void *dev_id)
 	} while (events);
 	return IRQ_HANDLED;
 }
+#endif
+
+/*
+ * Register the interrupt dispatchers for VIA or RBV machines only.
+ */
+
+void __init via_register_interrupts(void)
+{
+#ifdef CONFIG_GENERIC_HARDIRQS
+	if (via_alt_mapping) {
+		/* software interrupt */
+		irq_set_chained_handler(IRQ_AUTO_1, via1_irq);
+		/* via1 interrupt */
+		irq_set_chained_handler(IRQ_AUTO_6, via1_irq);
+	} else {
+		irq_set_chained_handler(IRQ_AUTO_1, via1_irq);
+	}
+	irq_set_chained_handler(IRQ_AUTO_2, via2_irq);
+	irq_set_chained_handler(IRQ_MAC_NUBUS, via_nubus_irq);
+#else
+	if (via_alt_mapping) {
+		if (request_irq(IRQ_AUTO_1, via1_irq, 0, "software",
+				(void *)via1))
+			pr_err("Couldn't register %s interrupt\n", "software");
+		if (request_irq(IRQ_AUTO_6, via1_irq, 0, "via1", (void *)via1))
+			pr_err("Couldn't register %s interrupt\n", "via1");
+	} else {
+		if (request_irq(IRQ_AUTO_1, via1_irq, 0, "via1", (void *)via1))
+			pr_err("Couldn't register %s interrupt\n", "via1");
+	}
+	if (request_irq(IRQ_AUTO_2, via2_irq, 0, "via2", (void *)via2))
+		pr_err("Couldn't register %s interrupt\n", "via2");
+	if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq, 0, "nubus",
+			(void *)via2))
+		pr_err("Couldn't register %s interrupt\n", "nubus");
+#endif
+}
 
 void via_irq_enable(int irq) {
 	int irq_src	= IRQ_SRC(irq);
-- 
GitLab


From efaf6d28fc768bfa373f7377c4b0484cbdf9f67e Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sat, 13 Aug 2011 21:02:22 +0200
Subject: [PATCH 0267/1594] m68k/hp300: Convert HP9000/300 and HP9000/400 to
 genirq

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Philip Blundell <philb@gnu.org>
---
 arch/m68k/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 9ba1a89e0032..e4bd0c974643 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -91,7 +91,6 @@ config USE_GENERIC_HARDIRQS
 	depends on !MVME147
 	depends on !MVME16x
 	depends on !BVME6000
-	depends on !HP300
 	depends on !SUN3X
 	depends on !Q40
 	depends on !SUN3
-- 
GitLab


From 6c490c4da4642ec9e7569c8b50a98a22c71ad184 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sat, 13 Aug 2011 21:11:00 +0200
Subject: [PATCH 0268/1594] m68k/vme: Convert VME to genirq

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Richard Hirst <rhirst@parisc-linux.org>
---
 arch/m68k/Kconfig | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index e4bd0c974643..8ae37a8fba40 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -88,9 +88,6 @@ config USE_GENERIC_HARDIRQS
 	bool "Use genirq"
 	depends on MMU
 	depends on !APOLLO
-	depends on !MVME147
-	depends on !MVME16x
-	depends on !BVME6000
 	depends on !SUN3X
 	depends on !Q40
 	depends on !SUN3
-- 
GitLab


From bc7485acd09405d9544783d773ee040af4a5c861 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Thu, 18 Aug 2011 14:45:57 +0200
Subject: [PATCH 0269/1594] m68k/apollo: Convert Apollo to genirq

Replace the custom user vector interrupt handler that calls do_IRQ() and
does an EOI by handle_fasteoi_irq().

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Peter De Schrijver <p2@debian.org>
---
 arch/m68k/Kconfig          |  1 -
 arch/m68k/apollo/dn_ints.c | 25 +++++++++++++++++++++++--
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 8ae37a8fba40..f2dc708d3da9 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -87,7 +87,6 @@ config MMU_SUN3
 config USE_GENERIC_HARDIRQS
 	bool "Use genirq"
 	depends on MMU
-	depends on !APOLLO
 	depends on !SUN3X
 	depends on !Q40
 	depends on !SUN3
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index 4b764312aed0..fc190b34b621 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -1,9 +1,14 @@
 #include <linux/interrupt.h>
-
+#ifdef CONFIG_GENERIC_HARDIRQS
+#include <linux/irq.h>
+#else
 #include <asm/irq.h>
+#endif
+
 #include <asm/traps.h>
 #include <asm/apollohw.h>
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 void dn_process_int(unsigned int irq, struct pt_regs *fp)
 {
 	do_IRQ(irq, fp);
@@ -11,6 +16,7 @@ void dn_process_int(unsigned int irq, struct pt_regs *fp)
 	*(volatile unsigned char *)(pica)=0x20;
 	*(volatile unsigned char *)(picb)=0x20;
 }
+#endif
 
 unsigned int apollo_irq_startup(struct irq_data *data)
 {
@@ -33,16 +39,31 @@ void apollo_irq_shutdown(struct irq_data *data)
 		*(volatile unsigned char *)(picb+1) |= (1 << (irq - 8));
 }
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+void apollo_irq_eoi(struct irq_data *data)
+{
+	*(volatile unsigned char *)(pica) = 0x20;
+	*(volatile unsigned char *)(picb) = 0x20;
+}
+#endif
+
 static struct irq_chip apollo_irq_chip = {
 	.name           = "apollo",
 	.irq_startup    = apollo_irq_startup,
 	.irq_shutdown   = apollo_irq_shutdown,
+#ifdef CONFIG_GENERIC_HARDIRQS
+	.irq_eoi	= apollo_irq_eoi,
+#endif
 };
 
 
 void __init dn_init_IRQ(void)
 {
+#ifdef CONFIG_GENERIC_HARDIRQS
+	m68k_setup_user_interrupt(VEC_USER + 96, 16, NULL);
+#else
 	m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
-	m68k_setup_irq_controller(&apollo_irq_chip, handle_simple_irq,
+#endif
+	m68k_setup_irq_controller(&apollo_irq_chip, handle_fasteoi_irq,
 				  IRQ_APOLLO, 16);
 }
-- 
GitLab


From 4045513286462a3c12140fac0559f09bcb5e7f10 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Thu, 18 Aug 2011 22:46:01 +0200
Subject: [PATCH 0270/1594] m68k/sun3: Use the kstat_irqs_cpu() wrapper

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Sam Creasey <sammy@sammy.net>
---
 arch/m68k/sun3/sun3ints.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 20ffee7dc319..1273eb879a15 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -51,14 +51,19 @@ void sun3_disable_irq(unsigned int irq)
 
 static irqreturn_t sun3_int7(int irq, void *dev_id)
 {
+	unsigned int cnt;
+
 	*sun3_intreg |=  (1 << irq);
-	if (!(kstat_cpu(0).irqs[irq] % 2000))
-		sun3_leds(led_pattern[(kstat_cpu(0).irqs[irq] % 16000) / 2000]);
+	cnt = kstat_irqs_cpu(irq, 0);
+	if (!(cnt % 2000))
+		sun3_leds(led_pattern[cnt % 16000 / 2000]);
 	return IRQ_HANDLED;
 }
 
 static irqreturn_t sun3_int5(int irq, void *dev_id)
 {
+	unsigned int cnt;
+
 #ifdef CONFIG_SUN3
 	intersil_clear();
 #endif
@@ -68,8 +73,9 @@ static irqreturn_t sun3_int5(int irq, void *dev_id)
 #endif
 	xtime_update(1);
 	update_process_times(user_mode(get_irq_regs()));
-        if (!(kstat_cpu(0).irqs[irq] % 20))
-                sun3_leds(led_pattern[(kstat_cpu(0).irqs[irq] % 160) / 20]);
+	cnt = kstat_irqs_cpu(irq, 0);
+	if (!(cnt % 20))
+		sun3_leds(led_pattern[cnt % 160 / 20]);
 	return IRQ_HANDLED;
 }
 
-- 
GitLab


From dda7535912255015ecf7264c1d6691a09f8ba487 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Thu, 18 Aug 2011 14:46:46 +0200
Subject: [PATCH 0271/1594] m68k/sun3: Convert Sun3/3x to genirq

Replace the custom irq handler that masks the irq and calls do_IRQ(), and
the unmasking in the individual handlers, by handle_level_irq().

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Sam Creasey <sammy@sammy.net>
---
 arch/m68k/Kconfig         |  2 --
 arch/m68k/sun3/sun3ints.c | 16 ++++++++++++++--
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index f2dc708d3da9..290f9c838b35 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -87,9 +87,7 @@ config MMU_SUN3
 config USE_GENERIC_HARDIRQS
 	bool "Use genirq"
 	depends on MMU
-	depends on !SUN3X
 	depends on !Q40
-	depends on !SUN3
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_IRQ_SHOW
 
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 1273eb879a15..626b601931e9 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -53,7 +53,9 @@ static irqreturn_t sun3_int7(int irq, void *dev_id)
 {
 	unsigned int cnt;
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 	*sun3_intreg |=  (1 << irq);
+#endif
 	cnt = kstat_irqs_cpu(irq, 0);
 	if (!(cnt % 2000))
 		sun3_leds(led_pattern[cnt % 16000 / 2000]);
@@ -67,7 +69,9 @@ static irqreturn_t sun3_int5(int irq, void *dev_id)
 #ifdef CONFIG_SUN3
 	intersil_clear();
 #endif
+#ifndef CONFIG_GENERIC_HARDIRQS
         *sun3_intreg |=  (1 << irq);
+#endif
 #ifdef CONFIG_SUN3
 	intersil_clear();
 #endif
@@ -85,12 +89,14 @@ static irqreturn_t sun3_vec255(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 static void sun3_inthandle(unsigned int irq, struct pt_regs *fp)
 {
         *sun3_intreg &= ~(1 << irq);
 
 	do_IRQ(irq, fp);
 }
+#endif
 
 static void sun3_irq_enable(struct irq_data *data)
 {
@@ -108,15 +114,21 @@ static struct irq_chip sun3_irq_chip = {
 	.irq_shutdown	= m68k_irq_shutdown,
 	.irq_enable	= sun3_irq_enable,
 	.irq_disable	= sun3_irq_disable,
+#ifdef CONFIG_GENERIC_HARDIRQS
+	.irq_mask	= sun3_irq_disable,
+	.irq_unmask	= sun3_irq_enable,
+#endif
 };
 
 void __init sun3_init_IRQ(void)
 {
 	*sun3_intreg = 1;
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 	m68k_setup_auto_interrupt(sun3_inthandle);
-	m68k_setup_irq_controller(&sun3_irq_chip, handle_simple_irq,
-				  IRQ_AUTO_1, 7);
+#endif
+	m68k_setup_irq_controller(&sun3_irq_chip, handle_level_irq, IRQ_AUTO_1,
+				  7);
 	m68k_setup_user_interrupt(VEC_USER, 128, NULL);
 
 	if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "int5", NULL))
-- 
GitLab


From a03010ed9b399fdbc28ac8836e0a6d4b15403f9f Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Thu, 18 Aug 2011 14:47:16 +0200
Subject: [PATCH 0272/1594] m68k/q40: Convert Q40/Q60 to genirq

q40_irq_handler() must be kept to translate ISA IRQs to the range 1-15.
q40_probe_irq_o{ff,n}() become unused.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Richard Zidlicky <rz@linux-m68k.org>
---
 arch/m68k/Kconfig               | 1 -
 arch/m68k/include/asm/q40ints.h | 2 ++
 arch/m68k/q40/q40ints.c         | 8 +++++++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 290f9c838b35..06198ced2245 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -87,7 +87,6 @@ config MMU_SUN3
 config USE_GENERIC_HARDIRQS
 	bool "Use genirq"
 	depends on MMU
-	depends on !Q40
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_IRQ_SHOW
 
diff --git a/arch/m68k/include/asm/q40ints.h b/arch/m68k/include/asm/q40ints.h
index 3d970afb708f..01cdbb4da465 100644
--- a/arch/m68k/include/asm/q40ints.h
+++ b/arch/m68k/include/asm/q40ints.h
@@ -25,5 +25,7 @@
 #define Q40_IRQ14_MASK       (1<<6)
 #define Q40_IRQ15_MASK       (1<<7)
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 extern unsigned long q40_probe_irq_on (void);
 extern int q40_probe_irq_off (unsigned long irqs);
+#endif
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index afe600c03659..f1e5288f043f 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -15,10 +15,14 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
+#ifdef CONFIG_GENERIC_HARDIRQS
+#include <linux/irq.h>
+#else
+#include <asm/irq.h>
+#endif
 
 #include <asm/ptrace.h>
 #include <asm/system.h>
-#include <asm/irq.h>
 #include <asm/traps.h>
 
 #include <asm/q40_master.h>
@@ -326,6 +330,7 @@ void q40_irq_disable(struct irq_data *data)
 	}
 }
 
+#ifndef CONFIG_GENERIC_HARDIRQS
 unsigned long q40_probe_irq_on(void)
 {
 	printk("irq probing not working - reconfigure the driver to avoid this\n");
@@ -335,3 +340,4 @@ int q40_probe_irq_off(unsigned long irqs)
 {
 	return -1;
 }
+#endif
-- 
GitLab


From d890d73995257b4e10cdd7d55bad80e34a71ba22 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 11 Sep 2011 11:28:04 +0200
Subject: [PATCH 0273/1594] m68k/irq: Remove obsolete m68k irq framework

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/Kconfig               |  10 +-
 arch/m68k/amiga/amiints.c       | 114 ------------
 arch/m68k/apollo/dn_ints.c      |  22 ---
 arch/m68k/include/asm/irq.h     |  63 -------
 arch/m68k/include/asm/q40ints.h |   5 -
 arch/m68k/kernel/Makefile       |  10 +-
 arch/m68k/kernel/ints.c         | 297 --------------------------------
 arch/m68k/mac/baboon.c          |  41 -----
 arch/m68k/mac/oss.c             |  78 ---------
 arch/m68k/mac/psc.c             |  44 -----
 arch/m68k/mac/via.c             | 104 -----------
 arch/m68k/q40/q40ints.c         |  16 --
 arch/m68k/sun3/sun3ints.c       |  20 ---
 13 files changed, 4 insertions(+), 820 deletions(-)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 06198ced2245..361d54019bb0 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -4,8 +4,8 @@ config M68K
 	select HAVE_IDE
 	select HAVE_AOUT if MMU
 	select GENERIC_ATOMIC64 if MMU
-	select HAVE_GENERIC_HARDIRQS if !MMU
-	select GENERIC_IRQ_SHOW if !MMU
+	select HAVE_GENERIC_HARDIRQS
+	select GENERIC_IRQ_SHOW
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
 
 config RWSEM_GENERIC_SPINLOCK
@@ -84,12 +84,6 @@ config MMU_SUN3
 	bool
 	depends on MMU && !MMU_MOTOROLA
 
-config USE_GENERIC_HARDIRQS
-	bool "Use genirq"
-	depends on MMU
-	select HAVE_GENERIC_HARDIRQS
-	select GENERIC_IRQ_SHOW
-
 menu "Platform setup"
 
 source arch/m68k/Kconfig.cpu
diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index a8da47126584..47b5f90002ab 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -9,9 +9,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/errno.h>
-#ifdef CONFIG_GENERIC_HARDIRQS
 #include <linux/irq.h>
-#endif
 
 #include <asm/irq.h>
 #include <asm/traps.h>
@@ -48,7 +46,6 @@ static struct irq_chip amiga_irq_chip = {
  * The builtin Amiga hardware interrupt handlers.
  */
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 static void ami_int1(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
@@ -140,103 +137,6 @@ static void ami_int5(unsigned int irq, struct irq_desc *desc)
 		generic_handle_irq(IRQ_AMIGA_DSKSYN);
 	}
 }
-#else /* !CONFIG_GENERIC_HARDIRQS */
-static irqreturn_t ami_int1(int irq, void *dev_id)
-{
-	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
-
-	/* if serial transmit buffer empty, interrupt */
-	if (ints & IF_TBE) {
-		amiga_custom.intreq = IF_TBE;
-		generic_handle_irq(IRQ_AMIGA_TBE);
-	}
-
-	/* if floppy disk transfer complete, interrupt */
-	if (ints & IF_DSKBLK) {
-		amiga_custom.intreq = IF_DSKBLK;
-		generic_handle_irq(IRQ_AMIGA_DSKBLK);
-	}
-
-	/* if software interrupt set, interrupt */
-	if (ints & IF_SOFT) {
-		amiga_custom.intreq = IF_SOFT;
-		generic_handle_irq(IRQ_AMIGA_SOFT);
-	}
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t ami_int3(int irq, void *dev_id)
-{
-	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
-
-	/* if a blitter interrupt */
-	if (ints & IF_BLIT) {
-		amiga_custom.intreq = IF_BLIT;
-		generic_handle_irq(IRQ_AMIGA_BLIT);
-	}
-
-	/* if a copper interrupt */
-	if (ints & IF_COPER) {
-		amiga_custom.intreq = IF_COPER;
-		generic_handle_irq(IRQ_AMIGA_COPPER);
-	}
-
-	/* if a vertical blank interrupt */
-	if (ints & IF_VERTB) {
-		amiga_custom.intreq = IF_VERTB;
-		generic_handle_irq(IRQ_AMIGA_VERTB);
-	}
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t ami_int4(int irq, void *dev_id)
-{
-	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
-
-	/* if audio 0 interrupt */
-	if (ints & IF_AUD0) {
-		amiga_custom.intreq = IF_AUD0;
-		generic_handle_irq(IRQ_AMIGA_AUD0);
-	}
-
-	/* if audio 1 interrupt */
-	if (ints & IF_AUD1) {
-		amiga_custom.intreq = IF_AUD1;
-		generic_handle_irq(IRQ_AMIGA_AUD1);
-	}
-
-	/* if audio 2 interrupt */
-	if (ints & IF_AUD2) {
-		amiga_custom.intreq = IF_AUD2;
-		generic_handle_irq(IRQ_AMIGA_AUD2);
-	}
-
-	/* if audio 3 interrupt */
-	if (ints & IF_AUD3) {
-		amiga_custom.intreq = IF_AUD3;
-		generic_handle_irq(IRQ_AMIGA_AUD3);
-	}
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t ami_int5(int irq, void *dev_id)
-{
-	unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar;
-
-	/* if serial receive buffer full interrupt */
-	if (ints & IF_RBF) {
-		/* acknowledge of IF_RBF must be done by the serial interrupt */
-		generic_handle_irq(IRQ_AMIGA_RBF);
-	}
-
-	/* if a disk sync interrupt */
-	if (ints & IF_DSKSYN) {
-		amiga_custom.intreq = IF_DSKSYN;
-		generic_handle_irq(IRQ_AMIGA_DSKSYN);
-	}
-	return IRQ_HANDLED;
-}
-#endif /* !CONFIG_GENERIC_HARDIRQS */
 
 
 /*
@@ -252,7 +152,6 @@ static irqreturn_t ami_int5(int irq, void *dev_id)
 
 void __init amiga_init_IRQ(void)
 {
-#ifdef CONFIG_GENERIC_HARDIRQS
 	m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER,
 				  AMI_STD_IRQS);
 
@@ -260,19 +159,6 @@ void __init amiga_init_IRQ(void)
 	irq_set_chained_handler(IRQ_AUTO_3, ami_int3);
 	irq_set_chained_handler(IRQ_AUTO_4, ami_int4);
 	irq_set_chained_handler(IRQ_AUTO_5, ami_int5);
-#else /* !CONFIG_GENERIC_HARDIRQS */
-	if (request_irq(IRQ_AUTO_1, ami_int1, 0, "int1", NULL))
-		pr_err("Couldn't register int%d\n", 1);
-	if (request_irq(IRQ_AUTO_3, ami_int3, 0, "int3", NULL))
-		pr_err("Couldn't register int%d\n", 3);
-	if (request_irq(IRQ_AUTO_4, ami_int4, 0, "int4", NULL))
-		pr_err("Couldn't register int%d\n", 4);
-	if (request_irq(IRQ_AUTO_5, ami_int5, 0, "int5", NULL))
-		pr_err("Couldn't register int%d\n", 5);
-
-	m68k_setup_irq_controller(&amiga_irq_chip, handle_simple_irq, IRQ_USER,
-				  AMI_STD_IRQS);
-#endif /* !CONFIG_GENERIC_HARDIRQS */
 
 	/* turn off PCMCIA interrupts */
 	if (AMIGAHW_PRESENT(PCMCIA))
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index fc190b34b621..b7d0aa37d199 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -1,23 +1,9 @@
 #include <linux/interrupt.h>
-#ifdef CONFIG_GENERIC_HARDIRQS
 #include <linux/irq.h>
-#else
-#include <asm/irq.h>
-#endif
 
 #include <asm/traps.h>
 #include <asm/apollohw.h>
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-void dn_process_int(unsigned int irq, struct pt_regs *fp)
-{
-	do_IRQ(irq, fp);
-
-	*(volatile unsigned char *)(pica)=0x20;
-	*(volatile unsigned char *)(picb)=0x20;
-}
-#endif
-
 unsigned int apollo_irq_startup(struct irq_data *data)
 {
 	unsigned int irq = data->irq;
@@ -39,31 +25,23 @@ void apollo_irq_shutdown(struct irq_data *data)
 		*(volatile unsigned char *)(picb+1) |= (1 << (irq - 8));
 }
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 void apollo_irq_eoi(struct irq_data *data)
 {
 	*(volatile unsigned char *)(pica) = 0x20;
 	*(volatile unsigned char *)(picb) = 0x20;
 }
-#endif
 
 static struct irq_chip apollo_irq_chip = {
 	.name           = "apollo",
 	.irq_startup    = apollo_irq_startup,
 	.irq_shutdown   = apollo_irq_shutdown,
-#ifdef CONFIG_GENERIC_HARDIRQS
 	.irq_eoi	= apollo_irq_eoi,
-#endif
 };
 
 
 void __init dn_init_IRQ(void)
 {
-#ifdef CONFIG_GENERIC_HARDIRQS
 	m68k_setup_user_interrupt(VEC_USER + 96, 16, NULL);
-#else
-	m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
-#endif
 	m68k_setup_irq_controller(&apollo_irq_chip, handle_fasteoi_irq,
 				  IRQ_APOLLO, 16);
 }
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 518e61f2fccb..94349a525bc2 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -62,67 +62,6 @@
 #define IRQ_FLG_STD	(0x8000)	/* internally used		*/
 #endif
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-
-#include <linux/linkage.h>
-#include <linux/hardirq.h>
-#include <linux/irqreturn.h>
-#include <linux/spinlock_types.h>
-
-struct pt_regs;
-
-/*
- * This structure is used to chain together the ISRs for a particular
- * interrupt source (if it supports chaining).
- */
-struct irq_data {
-	unsigned int	irq;
-	irqreturn_t	(*handler)(int, void *);
-	void		*dev_id;
-	struct irq_data *next;
-	unsigned long	flags;
-	const char	*devname;
-};
-
-/*
- * This structure has only 4 elements for speed reasons
- */
-struct irq_handler {
-	int		(*handler)(int, void *);
-	unsigned long	flags;
-	void		*dev_id;
-	const char	*devname;
-};
-
-struct irq_chip {
-	const char *name;
-	unsigned int (*irq_startup)(struct irq_data *data);
-	void (*irq_shutdown)(struct irq_data *data);
-	void (*irq_enable)(struct irq_data *data);
-	void (*irq_disable)(struct irq_data *data);
-};
-
-extern unsigned int m68k_irq_startup(struct irq_data *data);
-extern unsigned int m68k_irq_startup_irq(unsigned int irq);
-extern void m68k_irq_shutdown(struct irq_data *data);
-
-/*
- * This function returns a new struct irq_data
- */
-extern struct irq_data *new_irq_node(void);
-
-extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *));
-extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
-				      void (*handler)(unsigned int, struct pt_regs *));
-extern void m68k_setup_irq_chip(struct irq_chip *, unsigned int, unsigned int);
-#define m68k_setup_irq_controller(chip, dummy, irq, cnt) \
-	m68k_setup_irq_chip((chip), (irq), (cnt))
-
-extern void generic_handle_irq(unsigned int);
-asmlinkage void do_IRQ(int irq, struct pt_regs *regs);
-
-#else /* CONFIG_GENERIC_HARDIRQS */
-
 struct irq_data;
 struct irq_chip;
 struct irq_desc;
@@ -139,8 +78,6 @@ extern void m68k_setup_irq_controller(struct irq_chip *,
 						     struct irq_desc *desc),
 				      unsigned int irq, unsigned int cnt);
 
-#endif /* CONFIG_GENERIC_HARDIRQS */
-
 extern unsigned int irq_canonicalize(unsigned int irq);
 
 #else
diff --git a/arch/m68k/include/asm/q40ints.h b/arch/m68k/include/asm/q40ints.h
index 01cdbb4da465..22f12c9eb910 100644
--- a/arch/m68k/include/asm/q40ints.h
+++ b/arch/m68k/include/asm/q40ints.h
@@ -24,8 +24,3 @@
 #define Q40_IRQ10_MASK       (1<<5)
 #define Q40_IRQ14_MASK       (1<<6)
 #define Q40_IRQ15_MASK       (1<<7)
-
-#ifndef CONFIG_GENERIC_HARDIRQS
-extern unsigned long q40_probe_irq_on (void);
-extern int q40_probe_irq_off (unsigned long irqs);
-#endif
diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile
index 141425785c4e..c5696193281a 100644
--- a/arch/m68k/kernel/Makefile
+++ b/arch/m68k/kernel/Makefile
@@ -6,11 +6,10 @@ extra-$(CONFIG_MMU)	:= head.o
 extra-$(CONFIG_SUN3)	:= sun3-head.o
 extra-y			+= vmlinux.lds
 
-obj-y	:= entry.o m68k_ksyms.o module.o process.o ptrace.o setup.o signal.o \
-	   sys_m68k.o syscalltable.o time.o traps.o
+obj-y	:= entry.o irq.o m68k_ksyms.o module.o process.o ptrace.o setup.o \
+	   signal.o sys_m68k.o syscalltable.o time.o traps.o
 
 obj-$(CONFIG_MMU)	+= ints.o vectors.o
-devres-$(CONFIG_MMU)	= ../../../kernel/irq/devres.o
 
 ifndef CONFIG_MMU_SUN3
 obj-y			+= dma.o
@@ -18,9 +17,4 @@ endif
 ifndef CONFIG_MMU
 obj-y			+= init_task.o
 endif
-ifdef CONFIG_GENERIC_HARDIRQS
-obj-y			+= irq.o
-else
-obj-y			+= devres.o
-endif
 
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index cea439f9819b..e2b056b3a314 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -31,20 +31,6 @@ extern u32 auto_irqhandler_fixup[];
 extern u32 user_irqhandler_fixup[];
 extern u16 user_irqvec_fixup[];
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-/* table for system interrupt handlers */
-static struct irq_data *irq_list[NR_IRQS];
-static struct irq_chip *irq_chip[NR_IRQS];
-static int irq_depth[NR_IRQS];
-
-static inline int irq_set_chip(unsigned int irq, struct irq_chip *chip)
-{
-	irq_chip[irq] = chip;
-	return 0;
-}
-#define irq_set_chip_and_handler(irq, chip, dummy)	irq_set_chip(irq, chip)
-#endif /* !CONFIG_GENERIC_HARDIRQS */
-
 static int m68k_first_user_vec;
 
 static struct irq_chip auto_irq_chip = {
@@ -59,11 +45,6 @@ static struct irq_chip user_irq_chip = {
 	.irq_shutdown	= m68k_irq_shutdown,
 };
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-#define NUM_IRQ_NODES 100
-static struct irq_data nodes[NUM_IRQ_NODES];
-#endif /* !CONFIG_GENERIC_HARDIRQS */
-
 /*
  * void init_IRQ(void)
  *
@@ -133,8 +114,6 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 	flush_icache();
 }
 
-#ifdef CONFIG_GENERIC_HARDIRQS
-
 /**
  * m68k_setup_irq_controller
  * @chip: irq chip which controls specified irq
@@ -160,198 +139,6 @@ void m68k_setup_irq_controller(struct irq_chip *chip,
 	}
 }
 
-#else /* !CONFIG_GENERIC_HARDIRQS */
-
-/**
- * m68k_setup_irq_chip
- * @contr: irq controller which controls specified irq
- * @irq: first irq to be managed by the controller
- *
- * Change the controller for the specified range of irq, which will be used to
- * manage these irq. auto/user irq already have a default controller, which can
- * be changed as well, but the controller probably should use m68k_irq_startup/
- * m68k_irq_shutdown.
- */
-void m68k_setup_irq_chip(struct irq_chip *contr, unsigned int irq,
-			       unsigned int cnt)
-{
-	int i;
-
-	for (i = 0; i < cnt; i++)
-		irq_set_chip(irq + i, contr);
-}
-
-struct irq_data *new_irq_node(void)
-{
-	struct irq_data *node;
-	short i;
-
-	for (node = nodes, i = NUM_IRQ_NODES-1; i >= 0; node++, i--) {
-		if (!node->handler) {
-			memset(node, 0, sizeof(*node));
-			return node;
-		}
-	}
-
-	printk ("new_irq_node: out of nodes\n");
-	return NULL;
-}
-
-static int m68k_setup_irq(unsigned int irq, struct irq_data *node)
-{
-	struct irq_chip *contr;
-	struct irq_data **prev;
-	unsigned long flags;
-
-	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
-		printk("%s: Incorrect IRQ %d from %s\n",
-		       __func__, irq, node->devname);
-		return -ENXIO;
-	}
-
-	local_irq_save(flags);
-
-	prev = irq_list + irq;
-	if (*prev) {
-		/* Can't share interrupts unless both agree to */
-		if (!((*prev)->flags & node->flags & IRQF_SHARED)) {
-			local_irq_restore(flags);
-			return -EBUSY;
-		}
-		while (*prev)
-			prev = &(*prev)->next;
-	}
-
-	if (!irq_list[irq]) {
-		if (contr->irq_startup)
-			contr->irq_startup(node);
-		else
-			contr->irq_enable(node);
-	}
-	node->next = NULL;
-	*prev = node;
-
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-int request_irq(unsigned int irq,
-		irq_handler_t handler,
-		unsigned long flags, const char *devname, void *dev_id)
-{
-	struct irq_data *node;
-	int res;
-
-	node = new_irq_node();
-	if (!node)
-		return -ENOMEM;
-
-	node->irq     = irq;
-	node->handler = handler;
-	node->flags   = flags;
-	node->dev_id  = dev_id;
-	node->devname = devname;
-
-	res = m68k_setup_irq(irq, node);
-	if (res)
-		node->handler = NULL;
-
-	return res;
-}
-
-EXPORT_SYMBOL(request_irq);
-
-void free_irq(unsigned int irq, void *dev_id)
-{
-	struct irq_chip *contr;
-	struct irq_data **p, *node;
-	unsigned long flags;
-
-	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
-		printk("%s: Incorrect IRQ %d\n", __func__, irq);
-		return;
-	}
-
-	local_irq_save(flags);
-
-	p = irq_list + irq;
-	while ((node = *p)) {
-		if (node->dev_id == dev_id)
-			break;
-		p = &node->next;
-	}
-
-	if (node) {
-		*p = node->next;
-		node->handler = NULL;
-	} else
-		printk("%s: Removing probably wrong IRQ %d\n",
-		       __func__, irq);
-
-	if (!irq_list[irq]) {
-		if (contr->irq_shutdown)
-			contr->irq_shutdown(node);
-		else
-			contr->irq_disable(node);
-	}
-
-	local_irq_restore(flags);
-}
-
-EXPORT_SYMBOL(free_irq);
-
-void enable_irq(unsigned int irq)
-{
-	struct irq_chip *contr;
-	unsigned long flags;
-
-	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
-		printk("%s: Incorrect IRQ %d\n",
-		       __func__, irq);
-		return;
-	}
-
-	local_irq_save(flags);
-	if (irq_depth[irq]) {
-		if (!--irq_depth[irq]) {
-			if (contr->irq_enable)
-				contr->irq_enable(irq_list[irq]);
-		}
-	} else
-		WARN_ON(1);
-	local_irq_restore(flags);
-}
-
-EXPORT_SYMBOL(enable_irq);
-
-void disable_irq(unsigned int irq)
-{
-	struct irq_chip *contr;
-	unsigned long flags;
-
-	if (irq >= NR_IRQS || !(contr = irq_chip[irq])) {
-		printk("%s: Incorrect IRQ %d\n",
-		       __func__, irq);
-		return;
-	}
-
-	local_irq_save(flags);
-	if (!irq_depth[irq]++) {
-		if (contr->irq_disable)
-			contr->irq_disable(irq_list[irq]);
-	}
-	local_irq_restore(flags);
-}
-
-EXPORT_SYMBOL(disable_irq);
-
-void disable_irq_nosync(unsigned int irq) __attribute__((alias("disable_irq")));
-
-EXPORT_SYMBOL(disable_irq_nosync);
-
-#endif /* !CONFIG_GENERIC_HARDIRQS */
-
 unsigned int m68k_irq_startup_irq(unsigned int irq)
 {
 	if (irq <= IRQ_AUTO_7)
@@ -377,36 +164,6 @@ void m68k_irq_shutdown(struct irq_data *data)
 }
 
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-
-/*
- * Do we need these probe functions on the m68k?
- *
- *  ... may be useful with ISA devices
- */
-unsigned long probe_irq_on (void)
-{
-#ifdef CONFIG_Q40
-	if (MACH_IS_Q40)
-		return q40_probe_irq_on();
-#endif
-	return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_on);
-
-int probe_irq_off (unsigned long irqs)
-{
-#ifdef CONFIG_Q40
-	if (MACH_IS_Q40)
-		return q40_probe_irq_off(irqs);
-#endif
-	return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_off);
-#endif /* CONFIG_GENERIC_HARDIRQS */
-
 unsigned int irq_canonicalize(unsigned int irq)
 {
 #ifdef CONFIG_Q40
@@ -418,63 +175,9 @@ unsigned int irq_canonicalize(unsigned int irq)
 
 EXPORT_SYMBOL(irq_canonicalize);
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-void generic_handle_irq(unsigned int irq)
-{
-	struct irq_data *node;
-	kstat_cpu(0).irqs[irq]++;
-	node = irq_list[irq];
-	do {
-		node->handler(irq, node->dev_id);
-		node = node->next;
-	} while (node);
-}
-
-asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
-{
-	struct pt_regs *old_regs;
-	old_regs = set_irq_regs(regs);
-	generic_handle_irq(irq);
-	set_irq_regs(old_regs);
-}
-
-asmlinkage void handle_badint(struct pt_regs *regs)
-{
-	kstat_cpu(0).irqs[0]++;
-	printk("unexpected interrupt from %u\n", regs->vector);
-}
-
-int show_interrupts(struct seq_file *p, void *v)
-{
-	struct irq_chip *contr;
-	struct irq_data *node;
-	int i = *(loff_t *) v;
-
-	/* autovector interrupts */
-	if (irq_list[i]) {
-		contr = irq_chip[i];
-		node = irq_list[i];
-		seq_printf(p, "%-8s %3u: %10u %s", contr->name, i, kstat_cpu(0).irqs[i], node->devname);
-		while ((node = node->next))
-			seq_printf(p, ", %s", node->devname);
-		seq_puts(p, "\n");
-	}
-	return 0;
-}
-
-#ifdef CONFIG_PROC_FS
-void init_irq_proc(void)
-{
-	/* Insert /proc/irq driver here */
-}
-#endif
-
-#else /* CONFIG_GENERIC_HARDIRQS */
 
 asmlinkage void handle_badint(struct pt_regs *regs)
 {
 	atomic_inc(&irq_err_count);
 	pr_warn("unexpected interrupt from %u\n", regs->vector);
 }
-
-#endif /* CONFIG_GENERIC_HARDIRQS */
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index 425144cbfa7d..b55ead284971 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -11,9 +11,7 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#ifdef CONFIG_GENERIC_HARDIRQS
 #include <linux/irq.h>
-#endif
 
 #include <asm/traps.h>
 #include <asm/bootinfo.h>
@@ -56,7 +54,6 @@ void __init baboon_init(void)
  * Baboon interrupt handler. This works a lot like a VIA.
  */
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 static void baboon_irq(unsigned int irq, struct irq_desc *desc)
 {
 	int irq_bit, irq_num;
@@ -88,39 +85,6 @@ static void baboon_irq(unsigned int irq, struct irq_desc *desc)
 	baboon->mb_ifr &= ~events;
 #endif
 }
-#else
-static irqreturn_t baboon_irq(int irq, void *dev_id)
-{
-	int irq_bit, irq_num;
-	unsigned char events;
-
-#ifdef DEBUG_IRQS
-	printk("baboon_irq: mb_control %02X mb_ifr %02X mb_status %02X\n",
-		(uint) baboon->mb_control, (uint) baboon->mb_ifr,
-		(uint) baboon->mb_status);
-#endif
-
-	if (!(events = baboon->mb_ifr & 0x07))
-		return IRQ_NONE;
-
-	irq_num = IRQ_BABOON_0;
-	irq_bit = 1;
-	do {
-	        if (events & irq_bit) {
-			baboon->mb_ifr &= ~irq_bit;
-			generic_handle_irq(irq_num);
-		}
-		irq_bit <<= 1;
-		irq_num++;
-	} while(events >= irq_bit);
-#if 0
-	if (baboon->mb_ifr & 0x02) macide_ack_intr(NULL);
-	/* for now we need to smash all interrupts */
-	baboon->mb_ifr &= ~events;
-#endif
-	return IRQ_HANDLED;
-}
-#endif
 
 /*
  * Register the Baboon interrupt dispatcher on nubus slot $C.
@@ -129,12 +93,7 @@ static irqreturn_t baboon_irq(int irq, void *dev_id)
 void __init baboon_register_interrupts(void)
 {
 	baboon_disabled = 0;
-#ifdef CONFIG_GENERIC_HARDIRQS
 	irq_set_chained_handler(IRQ_NUBUS_C, baboon_irq);
-#else
-	if (request_irq(IRQ_NUBUS_C, baboon_irq, 0, "baboon", (void *)baboon))
-		pr_err("Couldn't register baboon interrupt\n");
-#endif
 }
 
 /*
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index cc784c2ff6e8..a4c82dab9ff1 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -19,9 +19,7 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#ifdef CONFIG_GENERIC_HARDIRQS
 #include <linux/irq.h>
-#endif
 
 #include <asm/bootinfo.h>
 #include <asm/macintosh.h>
@@ -32,11 +30,7 @@
 int oss_present;
 volatile struct mac_oss *oss;
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 extern void via1_irq(unsigned int irq, struct irq_desc *desc);
-#else
-extern irqreturn_t via1_irq(int, void *);
-#endif
 
 /*
  * Initialize the OSS
@@ -76,7 +70,6 @@ void __init oss_nubus_init(void)
  * and SCSI; everything else is routed to its own autovector IRQ.
  */
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 static void oss_irq(unsigned int irq, struct irq_desc *desc)
 {
 	int events;
@@ -103,35 +96,6 @@ static void oss_irq(unsigned int irq, struct irq_desc *desc)
 		/* FIXME: error check here? */
 	}
 }
-#else
-static irqreturn_t oss_irq(int irq, void *dev_id)
-{
-	int events;
-
-	events = oss->irq_pending & (OSS_IP_SOUND|OSS_IP_SCSI);
-	if (!events)
-		return IRQ_NONE;
-
-#ifdef DEBUG_IRQS
-	if ((console_loglevel == 10) && !(events & OSS_IP_SCSI)) {
-		printk("oss_irq: irq %d events = 0x%04X\n", irq,
-			(int) oss->irq_pending);
-	}
-#endif
-	/* FIXME: how do you clear a pending IRQ?    */
-
-	if (events & OSS_IP_SOUND) {
-		oss->irq_pending &= ~OSS_IP_SOUND;
-		/* FIXME: call sound handler */
-	} else if (events & OSS_IP_SCSI) {
-		oss->irq_pending &= ~OSS_IP_SCSI;
-		generic_handle_irq(IRQ_MAC_SCSI);
-	} else {
-		/* FIXME: error check here? */
-	}
-	return IRQ_HANDLED;
-}
-#endif
 
 /*
  * Nubus IRQ handler, OSS style
@@ -139,7 +103,6 @@ static irqreturn_t oss_irq(int irq, void *dev_id)
  * Unlike the VIA/RBV this is on its own autovector interrupt level.
  */
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 static void oss_nubus_irq(unsigned int irq, struct irq_desc *desc)
 {
 	int events, irq_bit, i;
@@ -166,35 +129,6 @@ static void oss_nubus_irq(unsigned int irq, struct irq_desc *desc)
 		}
 	} while(events & (irq_bit - 1));
 }
-#else
-static irqreturn_t oss_nubus_irq(int irq, void *dev_id)
-{
-	int events, irq_bit, i;
-
-	events = oss->irq_pending & OSS_IP_NUBUS;
-	if (!events)
-		return IRQ_NONE;
-
-#ifdef DEBUG_NUBUS_INT
-	if (console_loglevel > 7) {
-		printk("oss_nubus_irq: events = 0x%04X\n", events);
-	}
-#endif
-	/* There are only six slots on the OSS, not seven */
-
-	i = 6;
-	irq_bit = 0x40;
-	do {
-		--i;
-		irq_bit >>= 1;
-		if (events & irq_bit) {
-			oss->irq_pending &= ~irq_bit;
-			generic_handle_irq(NUBUS_SOURCE_BASE + i);
-		}
-	} while(events & (irq_bit - 1));
-	return IRQ_HANDLED;
-}
-#endif
 
 /*
  * Register the OSS and NuBus interrupt dispatchers.
@@ -202,22 +136,10 @@ static irqreturn_t oss_nubus_irq(int irq, void *dev_id)
 
 void __init oss_register_interrupts(void)
 {
-#ifdef CONFIG_GENERIC_HARDIRQS
 	irq_set_chained_handler(OSS_IRQLEV_SCSI, oss_irq);
 	irq_set_chained_handler(OSS_IRQLEV_NUBUS, oss_nubus_irq);
 	irq_set_chained_handler(OSS_IRQLEV_SOUND, oss_irq);
 	irq_set_chained_handler(OSS_IRQLEV_VIA1, via1_irq);
-#else /* !CONFIG_GENERIC_HARDIRQS */
-	if (request_irq(OSS_IRQLEV_SCSI, oss_irq, 0, "scsi", (void *)oss))
-		pr_err("Couldn't register %s interrupt\n", "scsi");
-	if (request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, 0, "nubus",
-			(void *)oss))
-		pr_err("Couldn't register %s interrupt\n", "nubus");
-	if (request_irq(OSS_IRQLEV_SOUND, oss_irq, 0, "sound", (void *)oss))
-		pr_err("Couldn't register %s interrupt\n", "sound");
-	if (request_irq(OSS_IRQLEV_VIA1, via1_irq, 0, "via1", (void *)via1))
-		pr_err("Couldn't register %s interrupt\n", "via1");
-#endif /* !CONFIG_GENERIC_HARDIRQS */
 }
 
 /*
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index 52840b8c03b8..e6c2d20f328d 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -18,9 +18,7 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#ifdef CONFIG_GENERIC_HARDIRQS
 #include <linux/irq.h>
-#endif
 
 #include <asm/traps.h>
 #include <asm/bootinfo.h>
@@ -116,7 +114,6 @@ void __init psc_init(void)
  * PSC interrupt handler. It's a lot like the VIA interrupt handler.
  */
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 static void psc_irq(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned int offset = (unsigned int)irq_desc_get_handler_data(desc);
@@ -145,36 +142,6 @@ static void psc_irq(unsigned int irq, struct irq_desc *desc)
 		irq_bit <<= 1;
 	} while (events >= irq_bit);
 }
-#else
-static irqreturn_t psc_irq(int irq, void *dev_id)
-{
-	int pIFR	= pIFRbase + ((int) dev_id);
-	int pIER	= pIERbase + ((int) dev_id);
-	int irq_num;
-	unsigned char irq_bit, events;
-
-#ifdef DEBUG_IRQS
-	printk("psc_irq: irq %d pIFR = 0x%02X pIER = 0x%02X\n",
-		irq, (int) psc_read_byte(pIFR), (int) psc_read_byte(pIER));
-#endif
-
-	events = psc_read_byte(pIFR) & psc_read_byte(pIER) & 0xF;
-	if (!events)
-		return IRQ_NONE;
-
-	irq_num = irq << 3;
-	irq_bit = 1;
-	do {
-		if (events & irq_bit) {
-			psc_write_byte(pIFR, irq_bit);
-			generic_handle_irq(irq_num);
-		}
-		irq_num++;
-		irq_bit <<= 1;
-	} while (events >= irq_bit);
-	return IRQ_HANDLED;
-}
-#endif
 
 /*
  * Register the PSC interrupt dispatchers for autovector interrupts 3-6.
@@ -182,7 +149,6 @@ static irqreturn_t psc_irq(int irq, void *dev_id)
 
 void __init psc_register_interrupts(void)
 {
-#ifdef CONFIG_GENERIC_HARDIRQS
 	irq_set_chained_handler(IRQ_AUTO_3, psc_irq);
 	irq_set_handler_data(IRQ_AUTO_3, (void *)0x30);
 	irq_set_chained_handler(IRQ_AUTO_4, psc_irq);
@@ -191,16 +157,6 @@ void __init psc_register_interrupts(void)
 	irq_set_handler_data(IRQ_AUTO_5, (void *)0x50);
 	irq_set_chained_handler(IRQ_AUTO_6, psc_irq);
 	irq_set_handler_data(IRQ_AUTO_6, (void *)0x60);
-#else /* !CONFIG_GENERIC_HARDIRQS */
-	if (request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30))
-		pr_err("Couldn't register psc%d interrupt\n", 3);
-	if (request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40))
-		pr_err("Couldn't register psc%d interrupt\n", 4);
-	if (request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50))
-		pr_err("Couldn't register psc%d interrupt\n", 5);
-	if (request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60))
-		pr_err("Couldn't register psc%d interrupt\n", 6);
-#endif /* !CONFIG_GENERIC_HARDIRQS */
 }
 
 void psc_irq_enable(int irq) {
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index b8156ac496a0..f1600ad26621 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -28,9 +28,7 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/module.h>
-#ifdef CONFIG_GENERIC_HARDIRQS
 #include <linux/irq.h>
-#endif
 
 #include <asm/bootinfo.h>
 #include <asm/macintosh.h>
@@ -417,7 +415,6 @@ void __init via_nubus_init(void)
  * via6522.c :-), disable/pending masks added.
  */
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 void via1_irq(unsigned int irq, struct irq_desc *desc)
 {
 	int irq_num;
@@ -459,58 +456,12 @@ static void via2_irq(unsigned int irq, struct irq_desc *desc)
 		irq_bit <<= 1;
 	} while (events >= irq_bit);
 }
-#else
-irqreturn_t via1_irq(int irq, void *dev_id)
-{
-	int irq_num;
-	unsigned char irq_bit, events;
-
-	events = via1[vIFR] & via1[vIER] & 0x7F;
-	if (!events)
-		return IRQ_NONE;
-
-	irq_num = VIA1_SOURCE_BASE;
-	irq_bit = 1;
-	do {
-		if (events & irq_bit) {
-			via1[vIFR] = irq_bit;
-			generic_handle_irq(irq_num);
-		}
-		++irq_num;
-		irq_bit <<= 1;
-	} while (events >= irq_bit);
-	return IRQ_HANDLED;
-}
-
-irqreturn_t via2_irq(int irq, void *dev_id)
-{
-	int irq_num;
-	unsigned char irq_bit, events;
-
-	events = via2[gIFR] & via2[gIER] & 0x7F;
-	if (!events)
-		return IRQ_NONE;
-
-	irq_num = VIA2_SOURCE_BASE;
-	irq_bit = 1;
-	do {
-		if (events & irq_bit) {
-			via2[gIFR] = irq_bit | rbv_clear;
-			generic_handle_irq(irq_num);
-		}
-		++irq_num;
-		irq_bit <<= 1;
-	} while (events >= irq_bit);
-	return IRQ_HANDLED;
-}
-#endif
 
 /*
  * Dispatch Nubus interrupts. We are called as a secondary dispatch by the
  * VIA2 dispatcher as a fast interrupt handler.
  */
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 void via_nubus_irq(unsigned int irq, struct irq_desc *desc)
 {
 	int slot_irq;
@@ -545,43 +496,6 @@ void via_nubus_irq(unsigned int irq, struct irq_desc *desc)
 			events &= ~via2[vDirA];
 	} while (events);
 }
-#else
-irqreturn_t via_nubus_irq(int irq, void *dev_id)
-{
-	int slot_irq;
-	unsigned char slot_bit, events;
-
-	events = ~via2[gBufA] & 0x7F;
-	if (rbv_present)
-		events &= via2[rSIER];
-	else
-		events &= ~via2[vDirA];
-	if (!events)
-		return IRQ_NONE;
-
-	do {
-		slot_irq = IRQ_NUBUS_F;
-		slot_bit = 0x40;
-		do {
-			if (events & slot_bit) {
-				events &= ~slot_bit;
-				generic_handle_irq(slot_irq);
-			}
-			--slot_irq;
-			slot_bit >>= 1;
-		} while (events);
-
- 		/* clear the CA1 interrupt and make certain there's no more. */
-		via2[gIFR] = 0x02 | rbv_clear;
-		events = ~via2[gBufA] & 0x7F;
-		if (rbv_present)
-			events &= via2[rSIER];
-		else
-			events &= ~via2[vDirA];
-	} while (events);
-	return IRQ_HANDLED;
-}
-#endif
 
 /*
  * Register the interrupt dispatchers for VIA or RBV machines only.
@@ -589,7 +503,6 @@ irqreturn_t via_nubus_irq(int irq, void *dev_id)
 
 void __init via_register_interrupts(void)
 {
-#ifdef CONFIG_GENERIC_HARDIRQS
 	if (via_alt_mapping) {
 		/* software interrupt */
 		irq_set_chained_handler(IRQ_AUTO_1, via1_irq);
@@ -600,23 +513,6 @@ void __init via_register_interrupts(void)
 	}
 	irq_set_chained_handler(IRQ_AUTO_2, via2_irq);
 	irq_set_chained_handler(IRQ_MAC_NUBUS, via_nubus_irq);
-#else
-	if (via_alt_mapping) {
-		if (request_irq(IRQ_AUTO_1, via1_irq, 0, "software",
-				(void *)via1))
-			pr_err("Couldn't register %s interrupt\n", "software");
-		if (request_irq(IRQ_AUTO_6, via1_irq, 0, "via1", (void *)via1))
-			pr_err("Couldn't register %s interrupt\n", "via1");
-	} else {
-		if (request_irq(IRQ_AUTO_1, via1_irq, 0, "via1", (void *)via1))
-			pr_err("Couldn't register %s interrupt\n", "via1");
-	}
-	if (request_irq(IRQ_AUTO_2, via2_irq, 0, "via2", (void *)via2))
-		pr_err("Couldn't register %s interrupt\n", "via2");
-	if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq, 0, "nubus",
-			(void *)via2))
-		pr_err("Couldn't register %s interrupt\n", "nubus");
-#endif
 }
 
 void via_irq_enable(int irq) {
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index f1e5288f043f..2b888491f29a 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -15,11 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
-#ifdef CONFIG_GENERIC_HARDIRQS
 #include <linux/irq.h>
-#else
-#include <asm/irq.h>
-#endif
 
 #include <asm/ptrace.h>
 #include <asm/system.h>
@@ -329,15 +325,3 @@ void q40_irq_disable(struct irq_data *data)
 			printk("disable_irq nesting count %d\n",mext_disabled);
 	}
 }
-
-#ifndef CONFIG_GENERIC_HARDIRQS
-unsigned long q40_probe_irq_on(void)
-{
-	printk("irq probing not working - reconfigure the driver to avoid this\n");
-	return -1;
-}
-int q40_probe_irq_off(unsigned long irqs)
-{
-	return -1;
-}
-#endif
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 626b601931e9..7eb378195cf7 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -53,9 +53,6 @@ static irqreturn_t sun3_int7(int irq, void *dev_id)
 {
 	unsigned int cnt;
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-	*sun3_intreg |=  (1 << irq);
-#endif
 	cnt = kstat_irqs_cpu(irq, 0);
 	if (!(cnt % 2000))
 		sun3_leds(led_pattern[cnt % 16000 / 2000]);
@@ -69,9 +66,6 @@ static irqreturn_t sun3_int5(int irq, void *dev_id)
 #ifdef CONFIG_SUN3
 	intersil_clear();
 #endif
-#ifndef CONFIG_GENERIC_HARDIRQS
-        *sun3_intreg |=  (1 << irq);
-#endif
 #ifdef CONFIG_SUN3
 	intersil_clear();
 #endif
@@ -89,15 +83,6 @@ static irqreturn_t sun3_vec255(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-static void sun3_inthandle(unsigned int irq, struct pt_regs *fp)
-{
-        *sun3_intreg &= ~(1 << irq);
-
-	do_IRQ(irq, fp);
-}
-#endif
-
 static void sun3_irq_enable(struct irq_data *data)
 {
     sun3_enable_irq(data->irq);
@@ -114,19 +99,14 @@ static struct irq_chip sun3_irq_chip = {
 	.irq_shutdown	= m68k_irq_shutdown,
 	.irq_enable	= sun3_irq_enable,
 	.irq_disable	= sun3_irq_disable,
-#ifdef CONFIG_GENERIC_HARDIRQS
 	.irq_mask	= sun3_irq_disable,
 	.irq_unmask	= sun3_irq_enable,
-#endif
 };
 
 void __init sun3_init_IRQ(void)
 {
 	*sun3_intreg = 1;
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-	m68k_setup_auto_interrupt(sun3_inthandle);
-#endif
 	m68k_setup_irq_controller(&sun3_irq_chip, handle_level_irq, IRQ_AUTO_1,
 				  7);
 	m68k_setup_user_interrupt(VEC_USER, 128, NULL);
-- 
GitLab


From f30a6484f1bcb410d0af0c24f34b8e3d92682a05 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sun, 11 Sep 2011 11:54:50 +0200
Subject: [PATCH 0274/1594] m68k/irq: Remove obsolete support for user vector
 interrupt fixups

It was used on Apollo only, before its conversion to genirq.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/apollo/dn_ints.c  |  2 +-
 arch/m68k/atari/ataints.c   |  2 +-
 arch/m68k/bvme6000/config.c |  2 +-
 arch/m68k/include/asm/irq.h |  4 +---
 arch/m68k/kernel/entry_mm.S |  3 +--
 arch/m68k/kernel/ints.c     | 11 ++---------
 arch/m68k/mvme147/config.c  |  2 +-
 arch/m68k/mvme16x/config.c  |  2 +-
 arch/m68k/sun3/sun3ints.c   |  2 +-
 9 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index b7d0aa37d199..17be1e7e2df2 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -41,7 +41,7 @@ static struct irq_chip apollo_irq_chip = {
 
 void __init dn_init_IRQ(void)
 {
-	m68k_setup_user_interrupt(VEC_USER + 96, 16, NULL);
+	m68k_setup_user_interrupt(VEC_USER + 96, 16);
 	m68k_setup_irq_controller(&apollo_irq_chip, handle_fasteoi_irq,
 				  IRQ_APOLLO, 16);
 }
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index af544557dd1d..6d196dadfdbc 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -137,7 +137,7 @@ static struct irq_chip atari_irq_chip = {
 
 void __init atari_init_IRQ(void)
 {
-	m68k_setup_user_interrupt(VEC_USER, NUM_ATARI_SOURCES - IRQ_USER, NULL);
+	m68k_setup_user_interrupt(VEC_USER, NUM_ATARI_SOURCES - IRQ_USER);
 	m68k_setup_irq_controller(&atari_irq_chip, handle_simple_irq, 1,
 				  NUM_ATARI_SOURCES - 1);
 
diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c
index 1edd95095cb4..81286476f740 100644
--- a/arch/m68k/bvme6000/config.c
+++ b/arch/m68k/bvme6000/config.c
@@ -86,7 +86,7 @@ static void bvme6000_get_model(char *model)
  */
 static void __init bvme6000_init_IRQ(void)
 {
-	m68k_setup_user_interrupt(VEC_USER, 192, NULL);
+	m68k_setup_user_interrupt(VEC_USER, 192);
 }
 
 void __init config_bvme6000(void)
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 94349a525bc2..6198df5ff245 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -70,9 +70,7 @@ extern unsigned int m68k_irq_startup_irq(unsigned int irq);
 extern void m68k_irq_shutdown(struct irq_data *data);
 extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int,
 						      struct pt_regs *));
-extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
-				      void (*handler)(unsigned int,
-						      struct pt_regs *));
+extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt);
 extern void m68k_setup_irq_controller(struct irq_chip *,
 				      void (*handle)(unsigned int irq,
 						     struct irq_desc *desc),
diff --git a/arch/m68k/kernel/entry_mm.S b/arch/m68k/kernel/entry_mm.S
index f5927d0927b4..c713f514843d 100644
--- a/arch/m68k/kernel/entry_mm.S
+++ b/arch/m68k/kernel/entry_mm.S
@@ -48,7 +48,7 @@
 .globl sys_fork, sys_clone, sys_vfork
 .globl ret_from_interrupt, bad_interrupt
 .globl auto_irqhandler_fixup
-.globl user_irqvec_fixup, user_irqhandler_fixup
+.globl user_irqvec_fixup
 
 .text
 ENTRY(buserr)
@@ -240,7 +240,6 @@ user_irqvec_fixup = . + 2
 
 	movel	%sp,%sp@-
 	movel	%d0,%sp@-		|  put vector # on stack
-user_irqhandler_fixup = . + 2
 	jsr	do_IRQ			|  process the IRQ
 	addql	#8,%sp			|  pop parameters off stack
 
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index e2b056b3a314..74fefac00899 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -28,7 +28,6 @@
 #endif
 
 extern u32 auto_irqhandler_fixup[];
-extern u32 user_irqhandler_fixup[];
 extern u16 user_irqvec_fixup[];
 
 static int m68k_first_user_vec;
@@ -91,16 +90,12 @@ void __init m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_re
  * m68k_setup_user_interrupt
  * @vec: first user vector interrupt to handle
  * @cnt: number of active user vector interrupts
- * @handler: called from user vector interrupts
  *
  * setup user vector interrupts, this includes activating the specified range
  * of interrupts, only then these interrupts can be requested (note: this is
- * different from auto vector interrupts). An optional handler can be installed
- * to be called instead of the default do_IRQ(), it will be called
- * with irq numbers starting from IRQ_USER.
+ * different from auto vector interrupts).
  */
-void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
-				      void (*handler)(unsigned int, struct pt_regs *))
+void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt)
 {
 	int i;
 
@@ -109,8 +104,6 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 	for (i = 0; i < cnt; i++)
 		irq_set_chip(IRQ_USER + i, &user_irq_chip);
 	*user_irqvec_fixup = vec - IRQ_USER;
-	if (handler)
-		*user_irqhandler_fixup = (u32)handler;
 	flush_icache();
 }
 
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index 01f2adf3f19f..5de924ef42ed 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -81,7 +81,7 @@ static void mvme147_get_model(char *model)
 
 void __init mvme147_init_IRQ(void)
 {
-	m68k_setup_user_interrupt(VEC_USER, 192, NULL);
+	m68k_setup_user_interrupt(VEC_USER, 192);
 }
 
 void __init config_mvme147(void)
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index 0b28e2621653..31a66d99cbca 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -117,7 +117,7 @@ static void mvme16x_get_hardware_list(struct seq_file *m)
 
 static void __init mvme16x_init_IRQ (void)
 {
-	m68k_setup_user_interrupt(VEC_USER, 192, NULL);
+	m68k_setup_user_interrupt(VEC_USER, 192);
 }
 
 #define pcc2chip	((volatile u_char *)0xfff42000)
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 7eb378195cf7..78b60f53e90a 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -109,7 +109,7 @@ void __init sun3_init_IRQ(void)
 
 	m68k_setup_irq_controller(&sun3_irq_chip, handle_level_irq, IRQ_AUTO_1,
 				  7);
-	m68k_setup_user_interrupt(VEC_USER, 128, NULL);
+	m68k_setup_user_interrupt(VEC_USER, 128);
 
 	if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "int5", NULL))
 		pr_err("Couldn't register %s interrupt\n", "int5");
-- 
GitLab


From 2690e2148b730c53acb8797821468d0ea1673f25 Mon Sep 17 00:00:00 2001
From: Finn Thain <fthain@telegraphics.com.au>
Date: Sun, 11 Sep 2011 23:40:50 +1000
Subject: [PATCH 0275/1594] m68k/mac: Remove mac_irq_{en,dis}able() wrappers

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/include/asm/macintosh.h |  2 ++
 arch/m68k/mac/baboon.c            |  7 ++-----
 arch/m68k/mac/macints.c           | 25 +++++++------------------
 3 files changed, 11 insertions(+), 23 deletions(-)

diff --git a/arch/m68k/include/asm/macintosh.h b/arch/m68k/include/asm/macintosh.h
index c2a1c5eac1a6..12ebe43b008b 100644
--- a/arch/m68k/include/asm/macintosh.h
+++ b/arch/m68k/include/asm/macintosh.h
@@ -12,6 +12,8 @@ extern void mac_reset(void);
 extern void mac_poweroff(void);
 extern void mac_init_IRQ(void);
 extern int mac_irq_pending(unsigned int);
+extern void mac_irq_enable(struct irq_data *data);
+extern void mac_irq_disable(struct irq_data *data);
 
 /*
  *	Floppy driver magic hook - probably shouldn't be here
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index b55ead284971..b403924a1cad 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -21,9 +21,6 @@
 
 /* #define DEBUG_IRQS */
 
-extern void mac_enable_irq(unsigned int);
-extern void mac_disable_irq(unsigned int);
-
 int baboon_present;
 static volatile struct baboon *baboon;
 static unsigned char baboon_disabled;
@@ -111,7 +108,7 @@ void baboon_irq_enable(int irq)
 
 	baboon_disabled &= ~(1 << irq_idx);
 	if (!baboon_disabled)
-		mac_enable_irq(IRQ_NUBUS_C);
+		mac_irq_enable(irq_get_irq_data(IRQ_NUBUS_C));
 }
 
 void baboon_irq_disable(int irq)
@@ -124,7 +121,7 @@ void baboon_irq_disable(int irq)
 
 	baboon_disabled |= 1 << irq_idx;
 	if (baboon_disabled)
-		mac_disable_irq(IRQ_NUBUS_C);
+		mac_irq_disable(irq_get_irq_data(IRQ_NUBUS_C));
 }
 
 void baboon_irq_clear(int irq)
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index 98497d288a9b..ba220b70ab8c 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -190,19 +190,6 @@ irqreturn_t mac_debug_handler(int, void *);
 
 /* #define DEBUG_MACINTS */
 
-void mac_enable_irq(unsigned int irq);
-void mac_disable_irq(unsigned int irq);
-
-static void mac_irq_enable(struct irq_data *data)
-{
-	mac_enable_irq(data->irq);
-}
-
-static void mac_irq_disable(struct irq_data *data)
-{
-	mac_disable_irq(data->irq);
-}
-
 static struct irq_chip mac_irq_chip = {
 	.name		= "mac",
 	.irq_enable	= mac_irq_enable,
@@ -250,16 +237,17 @@ void __init mac_init_IRQ(void)
 }
 
 /*
- *  mac_enable_irq - enable an interrupt source
- * mac_disable_irq - disable an interrupt source
+ *  mac_irq_enable - enable an interrupt source
+ * mac_irq_disable - disable an interrupt source
  *   mac_clear_irq - clears a pending interrupt
- * mac_pending_irq - Returns the pending status of an IRQ (nonzero = pending)
+ * mac_irq_pending - returns the pending status of an IRQ (nonzero = pending)
  *
  * These routines are just dispatchers to the VIA/OSS/PSC routines.
  */
 
-void mac_enable_irq(unsigned int irq)
+void mac_irq_enable(struct irq_data *data)
 {
+	int irq = data->irq;
 	int irq_src = IRQ_SRC(irq);
 
 	switch(irq_src) {
@@ -292,8 +280,9 @@ void mac_enable_irq(unsigned int irq)
 	}
 }
 
-void mac_disable_irq(unsigned int irq)
+void mac_irq_disable(struct irq_data *data)
 {
+	int irq = data->irq;
 	int irq_src = IRQ_SRC(irq);
 
 	switch(irq_src) {
-- 
GitLab


From 8ff8584e51d4d3fbe08ede413c4a221223766323 Mon Sep 17 00:00:00 2001
From: David Daney <david.daney@cavium.com>
Date: Tue, 8 Nov 2011 14:54:55 -0800
Subject: [PATCH 0276/1594] MIPS: Hook up process_vm_readv and
 process_vm_writev system calls.

Signed-off-by: David Daney <david.daney@cavium.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2918/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/include/asm/unistd.h | 18 ++++++++++++------
 arch/mips/kernel/scall32-o32.S |  2 ++
 arch/mips/kernel/scall64-64.S  |  2 ++
 arch/mips/kernel/scall64-n32.S |  2 ++
 arch/mips/kernel/scall64-o32.S |  2 ++
 5 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index ecea7871dec2..d8dad5340ea3 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -365,16 +365,18 @@
 #define __NR_syncfs			(__NR_Linux + 342)
 #define __NR_sendmmsg			(__NR_Linux + 343)
 #define __NR_setns			(__NR_Linux + 344)
+#define __NR_process_vm_readv		(__NR_Linux + 345)
+#define __NR_process_vm_writev		(__NR_Linux + 346)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		344
+#define __NR_Linux_syscalls		346
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		344
+#define __NR_O32_Linux_syscalls		346
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -686,16 +688,18 @@
 #define __NR_syncfs			(__NR_Linux + 301)
 #define __NR_sendmmsg			(__NR_Linux + 302)
 #define __NR_setns			(__NR_Linux + 303)
+#define __NR_process_vm_readv		(__NR_Linux + 304)
+#define __NR_process_vm_writev		(__NR_Linux + 305)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		303
+#define __NR_Linux_syscalls		305
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		303
+#define __NR_64_Linux_syscalls		305
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -1012,16 +1016,18 @@
 #define __NR_syncfs			(__NR_Linux + 306)
 #define __NR_sendmmsg			(__NR_Linux + 307)
 #define __NR_setns			(__NR_Linux + 308)
+#define __NR_process_vm_readv		(__NR_Linux + 309)
+#define __NR_process_vm_writev		(__NR_Linux + 310)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		308
+#define __NR_Linux_syscalls		310
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		308
+#define __NR_N32_Linux_syscalls		310
 
 #ifdef __KERNEL__
 
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 47920657968d..a632bc144efa 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -591,6 +591,8 @@ einval:	li	v0, -ENOSYS
 	sys	sys_syncfs		1
 	sys	sys_sendmmsg		4
 	sys	sys_setns		2
+	sys	sys_process_vm_readv	6	/* 4345 */
+	sys	sys_process_vm_writev	6
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index fb7334bea731..3b5a5e9ae49c 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -430,4 +430,6 @@ sys_call_table:
 	PTR	sys_syncfs
 	PTR	sys_sendmmsg
 	PTR	sys_setns
+	PTR	sys_process_vm_readv
+	PTR	sys_process_vm_writev		/* 5305 */
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 6de1f598346e..6be6f7020923 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -430,4 +430,6 @@ EXPORT(sysn32_call_table)
 	PTR	sys_syncfs
 	PTR	compat_sys_sendmmsg
 	PTR	sys_setns
+	PTR	compat_sys_process_vm_readv
+	PTR	compat_sys_process_vm_writev	/* 6310 */
 	.size	sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 1d813169e453..54228553691d 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -548,4 +548,6 @@ sys_call_table:
 	PTR	sys_syncfs
 	PTR	compat_sys_sendmmsg
 	PTR	sys_setns
+	PTR	compat_sys_process_vm_readv	/* 4345 */
+	PTR	compat_sys_process_vm_writev
 	.size	sys_call_table,.-sys_call_table
-- 
GitLab


From 76ee4557137ce12a60a1e1a070ed341182163a64 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Tue, 8 Nov 2011 19:57:59 +0900
Subject: [PATCH 0277/1594] ARM: EXYNOS: Fix compiler error with THIS_MODULE

  CC      arch/arm/mach-exynos/cpuidle.o
arch/arm/mach-exynos/cpuidle.c:36: error: 'THIS_MODULE' undeclared here (not in a function)
arch/arm/mach-exynos/cpuidle.c: In function 'exynos4_enter_idle':
arch/arm/mach-exynos/cpuidle.c:42: error: storage size of 'before' isn't known
arch/arm/mach-exynos/cpuidle.c:42: error: storage size of 'after' isn't known
arch/arm/mach-exynos/cpuidle.c:46: error: implicit declaration of function 'do_gettimeofday'
arch/arm/mach-exynos/cpuidle.c:52: error: 'USEC_PER_SEC' undeclared (first use in this function)
arch/arm/mach-exynos/cpuidle.c:52: error: (Each undeclared identifier is reported only once
arch/arm/mach-exynos/cpuidle.c:52: error: for each function it appears in.)
arch/arm/mach-exynos/cpuidle.c:42: warning: unused variable 'after'
arch/arm/mach-exynos/cpuidle.c:42: warning: unused variable 'before'
make[1]: *** [arch/arm/mach-exynos/cpuidle.o] Error 1

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: Fixed as per Stephen's suggestion]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/mach-exynos/cpuidle.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index 35f6502144ae..4ebb382c5979 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -12,6 +12,8 @@
 #include <linux/init.h>
 #include <linux/cpuidle.h>
 #include <linux/io.h>
+#include <linux/export.h>
+#include <linux/time.h>
 
 #include <asm/proc-fns.h>
 
-- 
GitLab


From 6d2dd054295e26dad0a84e2fe2029a1428242f8b Mon Sep 17 00:00:00 2001
From: Marcos Paulo de Souza <marcos.mage@gmail.com>
Date: Mon, 31 Oct 2011 23:50:16 -0200
Subject: [PATCH 0278/1594] [libata] libata-scsi.c: Add function parameter
 documentation

Add the documentation of parameters of ata_change_queue_depth to silence the warning of make xmldocs

Signed-off-by: Marcos paulo de Souza <marcos.mage@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-scsi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 72a9770ac42f..2a5412e7e9c1 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1217,6 +1217,10 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
 
 /**
  *	__ata_change_queue_depth - helper for ata_scsi_change_queue_depth
+ *	@ap: ATA port to which the device change the queue depth
+ *	@sdev: SCSI device to configure queue depth for
+ *	@queue_depth: new queue depth
+ *	@reason: calling context
  *
  *	libsas and libata have different approaches for associating a sdev to
  *	its ata_port.
-- 
GitLab


From 003456145f0d23b73f080abd1fd7981788438693 Mon Sep 17 00:00:00 2001
From: JiSheng Zhang <jszhang3@gmail.com>
Date: Mon, 31 Oct 2011 21:20:10 +0800
Subject: [PATCH 0279/1594] ahci_platform: use dev_get_platdata()

Use dev_get_platdata() to retrieve the struct ahci_platform_data data
from the platform.

Signed-off-by: JiSheng Zhang <jszhang3@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/ahci_platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 004f2ce3dc73..ec555951176e 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -65,7 +65,7 @@ static struct scsi_host_template ahci_platform_sht = {
 static int __init ahci_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct ahci_platform_data *pdata = dev->platform_data;
+	struct ahci_platform_data *pdata = dev_get_platdata(dev);
 	const struct platform_device_id *id = platform_get_device_id(pdev);
 	struct ata_port_info pi = ahci_port_info[id->driver_data];
 	const struct ata_port_info *ppi[] = { &pi, NULL };
@@ -191,7 +191,7 @@ err0:
 static int __devexit ahci_remove(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct ahci_platform_data *pdata = dev->platform_data;
+	struct ahci_platform_data *pdata = dev_get_platdata(dev);
 	struct ata_host *host = dev_get_drvdata(dev);
 
 	ata_host_detach(host);
-- 
GitLab


From 142924cf402f9c0568004f0e2a27988fe3556c61 Mon Sep 17 00:00:00 2001
From: Chris Dunlop <chris@onthe.net.au>
Date: Mon, 24 Oct 2011 10:38:18 +1100
Subject: [PATCH 0280/1594] sata_sis.c: trivial spelling fix

Trivial spelling fix.

Signed-off-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/sata_sis.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index 447d9c05fb5a..95ec435f0eb4 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -104,7 +104,7 @@ static const struct ata_port_info sis_port_info = {
 };
 
 MODULE_AUTHOR("Uwe Koziolek");
-MODULE_DESCRIPTION("low-level driver for Silicon Integratad Systems SATA controller");
+MODULE_DESCRIPTION("low-level driver for Silicon Integrated Systems SATA controller");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, sis_pci_tbl);
 MODULE_VERSION(DRV_VERSION);
-- 
GitLab


From 7a46c0780babea7d0b3f277a33ea243be38eb942 Mon Sep 17 00:00:00 2001
From: Gwendal Grignou <gwendal@google.com>
Date: Wed, 19 Oct 2011 17:17:02 -0700
Subject: [PATCH 0281/1594] [libata] Issue SRST to Sil3726 PMP

Reenable sending SRST to devices connected behind a Sil3726 PMP.
This allow staggered spinups and handles drives that spins up slowly.

While the drives spin up, the PMP will not accept SRST.
Most controller reissues the reset until the drive is ready, while
some [Sil3124] returns an error.
In ata_eh_error, wait 10s before reset the ATA port and try again.

Signed-off-by: Gwendal Grignou <gwendal@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-eh.c  | 12 +++++++++++-
 drivers/ata/libata-pmp.c |  7 ++-----
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index f22957c2769a..a9b282038000 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2883,7 +2883,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
 	    sata_scr_read(link, SCR_STATUS, &sstatus))
 		rc = -ERESTART;
 
-	if (rc == -ERESTART || try >= max_tries) {
+	if (try >= max_tries) {
 		/*
 		 * Thaw host port even if reset failed, so that the port
 		 * can be retried on the next phy event.  This risks
@@ -2909,6 +2909,16 @@ int ata_eh_reset(struct ata_link *link, int classify,
 		ata_eh_acquire(ap);
 	}
 
+	/*
+	 * While disks spinup behind PMP, some controllers fail sending SRST.
+	 * They need to be reset - as well as the PMP - before retrying.
+	 */
+	if (rc == -ERESTART) {
+		if (ata_is_host_link(link))
+			ata_eh_thaw_port(ap);
+		goto out;
+	}
+
 	if (try == max_tries - 1) {
 		sata_down_spd_limit(link, 0);
 		if (slave)
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 104462dbc524..21b80c555c60 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -389,12 +389,9 @@ static void sata_pmp_quirks(struct ata_port *ap)
 			/* link reports offline after LPM */
 			link->flags |= ATA_LFLAG_NO_LPM;
 
-			/* Class code report is unreliable and SRST
-			 * times out under certain configurations.
-			 */
+			/* Class code report is unreliable. */
 			if (link->pmp < 5)
-				link->flags |= ATA_LFLAG_NO_SRST |
-					       ATA_LFLAG_ASSUME_ATA;
+				link->flags |= ATA_LFLAG_ASSUME_ATA;
 
 			/* port 5 is for SEMB device and it doesn't like SRST */
 			if (link->pmp == 5)
-- 
GitLab


From c9703765f3d5ab27909011dee4a05affe48e4442 Mon Sep 17 00:00:00 2001
From: Keng-Yu Lin <kengyu@canonical.com>
Date: Wed, 9 Nov 2011 01:47:36 -0500
Subject: [PATCH 0282/1594] [libata] ahci: Add ASMedia ASM1061 support

Signed-off-by: Keng-Yu Lin <kengyu@canonical.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/ahci.c      | 3 +++
 include/linux/pci_ids.h | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index fb7b90b05922..cf26222a93c5 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -390,6 +390,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	/* Promise */
 	{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },	/* PDC42819 */
 
+	/* Asmedia */
+	{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci },	/* ASM1061 */
+
 	/* Generic, PCI class code for AHCI */
 	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 3fdf251389de..172ba70306d1 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2405,6 +2405,8 @@
 
 #define PCI_VENDOR_ID_AZWAVE		0x1a3b
 
+#define PCI_VENDOR_ID_ASMEDIA		0x1b21
+
 #define PCI_VENDOR_ID_TEKRAM		0x1de1
 #define PCI_DEVICE_ID_TEKRAM_DC290	0xdc29
 
-- 
GitLab


From 8d1c963a2e0c57dfe7f9c356389902e500cf1cfd Mon Sep 17 00:00:00 2001
From: David Henningsson <david.henningsson@canonical.com>
Date: Tue, 8 Nov 2011 20:37:26 +0100
Subject: [PATCH 0283/1594] ALSA: HDA: Remove quirk for Toshiba T110

According to the bug reporter, model=auto is needed to make the
internal microphone work.

BugLink: https://bugs.launchpad.net/bugs/819699
Reported-by: Andrej (agno01)
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_conexant.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 5e706e4d1737..0de21193a2b0 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3062,7 +3062,6 @@ static const struct snd_pci_quirk cxt5066_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x1043, 0x1993, "Asus U50F", CXT5066_ASUS),
 	SND_PCI_QUIRK(0x1179, 0xff1e, "Toshiba Satellite C650D", CXT5066_IDEAPAD),
 	SND_PCI_QUIRK(0x1179, 0xff50, "Toshiba Satellite P500-PSPGSC-01800T", CXT5066_OLPC_XO_1_5),
-	SND_PCI_QUIRK(0x1179, 0xffe0, "Toshiba Satellite Pro T130-15F", CXT5066_OLPC_XO_1_5),
 	SND_PCI_QUIRK(0x14f1, 0x0101, "Conexant Reference board",
 		      CXT5066_LAPTOP),
 	SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT5066_OLPC_XO_1_5),
-- 
GitLab


From 0836b5cdd23d573bf7ec57f73ff774b3ad660bf4 Mon Sep 17 00:00:00 2001
From: Jamie Iles <jamie@jamieiles.com>
Date: Fri, 4 Nov 2011 01:13:20 +0000
Subject: [PATCH 0284/1594] ARM: picoxcell: add extra temp register to addruart

639da5ee3 (ARM: add an extra temp register to the low level debugging
addruart macro) didn't include picoxcell as it hadn't been merged at the
time.  Fix up the compile breakage by adding the extra temp parameter.

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
---
 arch/arm/mach-picoxcell/include/mach/debug-macro.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-picoxcell/include/mach/debug-macro.S b/arch/arm/mach-picoxcell/include/mach/debug-macro.S
index 8f2c234ed9d9..58d4ee3ae949 100644
--- a/arch/arm/mach-picoxcell/include/mach/debug-macro.S
+++ b/arch/arm/mach-picoxcell/include/mach/debug-macro.S
@@ -14,7 +14,7 @@
 
 #define UART_SHIFT 2
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		ldr	\rv, =PHYS_TO_IO(PICOXCELL_UART1_BASE)
 		ldr	\rp, =PICOXCELL_UART1_BASE
 		.endm
-- 
GitLab


From f7f9bdfadfda07afb904a9767468e38c2d1a6033 Mon Sep 17 00:00:00 2001
From: Julian Wollrath <jwollrath@web.de>
Date: Wed, 9 Nov 2011 10:02:40 +0100
Subject: [PATCH 0285/1594] ALSA: hda - fix internal mic on Dell Vostro 3500
 laptop

Fix the not working internal mic on Dell Vostro 3500 laptop by introducing the
new model dell-vostro-3500.

Signed-off-by: Julian Wollrath <jwollrath@web.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 Documentation/sound/alsa/HD-Audio-Models.txt |  1 +
 sound/pci/hda/patch_sigmatel.c               | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index 4f3443230d89..edad99abec21 100644
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/Documentation/sound/alsa/HD-Audio-Models.txt
@@ -349,6 +349,7 @@ STAC92HD83*
   ref		Reference board
   mic-ref	Reference board with power management for ports
   dell-s14	Dell laptop
+  dell-vostro-3500	Dell Vostro 3500 laptop
   hp		HP laptops with (inverted) mute-LED
   hp-dv7-4000	HP dv-7 4000
   auto		BIOS setup (default)
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 4e715fefebef..edc2b7bc177c 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -95,6 +95,7 @@ enum {
 	STAC_92HD83XXX_REF,
 	STAC_92HD83XXX_PWR_REF,
 	STAC_DELL_S14,
+	STAC_DELL_VOSTRO_3500,
 	STAC_92HD83XXX_HP,
 	STAC_92HD83XXX_HP_cNB11_INTQUAD,
 	STAC_HP_DV7_4000,
@@ -1659,6 +1660,12 @@ static const unsigned int dell_s14_pin_configs[10] = {
 	0x40f000f0, 0x40f000f0,
 };
 
+static const unsigned int dell_vostro_3500_pin_configs[10] = {
+	0x02a11020, 0x0221101f, 0x400000f0, 0x90170110,
+	0x400000f1, 0x400000f2, 0x400000f3, 0x90a60160,
+	0x400000f4, 0x400000f5,
+};
+
 static const unsigned int hp_dv7_4000_pin_configs[10] = {
 	0x03a12050, 0x0321201f, 0x40f000f0, 0x90170110,
 	0x40f000f0, 0x40f000f0, 0x90170110, 0xd5a30140,
@@ -1675,6 +1682,7 @@ static const unsigned int *stac92hd83xxx_brd_tbl[STAC_92HD83XXX_MODELS] = {
 	[STAC_92HD83XXX_REF] = ref92hd83xxx_pin_configs,
 	[STAC_92HD83XXX_PWR_REF] = ref92hd83xxx_pin_configs,
 	[STAC_DELL_S14] = dell_s14_pin_configs,
+	[STAC_DELL_VOSTRO_3500] = dell_vostro_3500_pin_configs,
 	[STAC_92HD83XXX_HP_cNB11_INTQUAD] = hp_cNB11_intquad_pin_configs,
 	[STAC_HP_DV7_4000] = hp_dv7_4000_pin_configs,
 };
@@ -1684,6 +1692,7 @@ static const char * const stac92hd83xxx_models[STAC_92HD83XXX_MODELS] = {
 	[STAC_92HD83XXX_REF] = "ref",
 	[STAC_92HD83XXX_PWR_REF] = "mic-ref",
 	[STAC_DELL_S14] = "dell-s14",
+	[STAC_DELL_VOSTRO_3500] = "dell-vostro-3500",
 	[STAC_92HD83XXX_HP] = "hp",
 	[STAC_92HD83XXX_HP_cNB11_INTQUAD] = "hp_cNB11_intquad",
 	[STAC_HP_DV7_4000] = "hp-dv7-4000",
@@ -1697,6 +1706,8 @@ static const struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = {
 		      "DFI LanParty", STAC_92HD83XXX_REF),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x02ba,
 		      "unknown Dell", STAC_DELL_S14),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x1028,
+		      "Dell Vostro 3500", STAC_DELL_VOSTRO_3500),
 	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_HP, 0xff00, 0x3600,
 			  "HP", STAC_92HD83XXX_HP),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1656,
-- 
GitLab


From 55c0008be67a27944b6705251d9a8d4c56c67701 Mon Sep 17 00:00:00 2001
From: Alexey Fisher <bug-track@fisher-privat.net>
Date: Wed, 9 Nov 2011 11:39:24 +0100
Subject: [PATCH 0286/1594] ALSA: snd_usb_audio: add Logitech HD Webcam c510 to
 quirk-384

Logitech HD Webcam c510 provide wrong mixer resolution.
Add it to "res = 384" quirk.

Signed-off-by: Alexey Fisher <bug-track@fisher-privat.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/mixer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index c5444e00f0c6..ab23869c01bb 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -799,6 +799,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 
 	case USB_ID(0x046d, 0x0808):
 	case USB_ID(0x046d, 0x0809):
+	case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
 	case USB_ID(0x046d, 0x0991):
 	/* Most audio usb devices lie about volume resolution.
 	 * Most Logitech webcams have res = 384.
-- 
GitLab


From 44656fa03926e7363ab41c565619800a4b3b1322 Mon Sep 17 00:00:00 2001
From: David Daney <david.daney@cavium.com>
Date: Tue, 8 Nov 2011 10:20:10 -0800
Subject: [PATCH 0287/1594] kbuild: Fix missing system calls check on mips.

Commit 5f7efb4 (Kbuild: append missing-syscalls to the default target
list) broke MIPS build.

Reported-tested-and-acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
---
 Kbuild             | 2 +-
 arch/mips/Makefile | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Kbuild b/Kbuild
index 4caab4f6cba7..b8b708ad6dc3 100644
--- a/Kbuild
+++ b/Kbuild
@@ -92,7 +92,7 @@ always += missing-syscalls
 targets += missing-syscalls
 
 quiet_cmd_syscalls = CALL    $<
-      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags)
+      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
 
 missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
 	$(call cmd,syscalls)
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 9b4cb00407d7..0be318609fc6 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -286,11 +286,11 @@ CLEAN_FILES += vmlinux.32 vmlinux.64
 archprepare:
 ifdef CONFIG_MIPS32_N32
 	@echo '  Checking missing-syscalls for N32'
-	$(Q)$(MAKE) $(build)=. missing-syscalls ccflags-y="-mabi=n32"
+	$(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=n32"
 endif
 ifdef CONFIG_MIPS32_O32
 	@echo '  Checking missing-syscalls for O32'
-	$(Q)$(MAKE) $(build)=. missing-syscalls ccflags-y="-mabi=32"
+	$(Q)$(MAKE) $(build)=. missing-syscalls missing_syscalls_flags="-mabi=32"
 endif
 
 install:
-- 
GitLab


From e0e20753c15fc418d94fee826af394907df856d8 Mon Sep 17 00:00:00 2001
From: Barry Song <Baohua.Song@csr.com>
Date: Thu, 27 Oct 2011 20:38:24 -0700
Subject: [PATCH 0288/1594] pinctrl: fix "warning: 'struct pinctrl_dev'
 declared inside parameter list"

when pinctl subsystem is not selected, when compiling drivers including
the include/linux/pinctrl/pinctrl.h, we will get the warning as below:
In file included from include/linux/pinctrl/pinmux.h:17,
                 from drivers/tty/serial/sirfsoc_uart.c:25:
include/linux/pinctrl/pinctrl.h:126: warning: 'struct pinctrl_dev'
		declared inside parameter list
include/linux/pinctrl/pinctrl.h:126: warning: its scope is only this
      definition or declaration, which is probably not what you want

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 include/linux/pinctrl/pinctrl.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 3605e947fa90..04c011038f32 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -121,6 +121,7 @@ extern const char *pinctrl_dev_get_name(struct pinctrl_dev *pctldev);
 extern void *pinctrl_dev_get_drvdata(struct pinctrl_dev *pctldev);
 #else
 
+struct pinctrl_dev;
 
 /* Sufficiently stupid default function when pinctrl is not in use */
 static inline bool pin_is_valid(struct pinctrl_dev *pctldev, int pin)
-- 
GitLab


From b3c41f4c18de9aa90315dd0d197f8485b00e3cc5 Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Sun, 18 Sep 2011 09:56:35 +0800
Subject: [PATCH 0289/1594] ARM: at91: usart: drop static map regs for dbgu

In commit fb149f9e28354 we introduce ioremap support for static map_io, we do
not need this register entry anymore.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
 arch/arm/mach-at91/at91cap9_devices.c    | 5 ++---
 arch/arm/mach-at91/at91rm9200_devices.c  | 5 ++---
 arch/arm/mach-at91/at91sam9260_devices.c | 5 ++---
 arch/arm/mach-at91/at91sam9261_devices.c | 5 ++---
 arch/arm/mach-at91/at91sam9263_devices.c | 5 ++---
 arch/arm/mach-at91/at91sam9g45_devices.c | 5 ++---
 arch/arm/mach-at91/at91sam9rl_devices.c  | 5 ++---
 7 files changed, 14 insertions(+), 21 deletions(-)

diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index a4401d6b5b07..b9739baa21e4 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -1021,8 +1021,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 #if defined(CONFIG_SERIAL_ATMEL)
 static struct resource dbgu_resources[] = {
 	[0] = {
-		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
-		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+		.start	= AT91_BASE_SYS + AT91_DBGU,
+		.end	= AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -1035,7 +1035,6 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
 	.use_dma_tx	= 0,
 	.use_dma_rx	= 0,		/* DBGU not capable of receive DMA */
-	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 01d8bbd1468b..66591fa53e05 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -877,8 +877,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 #if defined(CONFIG_SERIAL_ATMEL)
 static struct resource dbgu_resources[] = {
 	[0] = {
-		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
-		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+		.start	= AT91_BASE_SYS + AT91_DBGU,
+		.end	= AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -891,7 +891,6 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
 	.use_dma_tx	= 0,
 	.use_dma_rx	= 0,		/* DBGU not capable of receive DMA */
-	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 24b6f8c0440d..25e3464fb07f 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -837,8 +837,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 #if defined(CONFIG_SERIAL_ATMEL)
 static struct resource dbgu_resources[] = {
 	[0] = {
-		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
-		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+		.start	= AT91_BASE_SYS + AT91_DBGU,
+		.end	= AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -851,7 +851,6 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
 	.use_dma_tx	= 0,
 	.use_dma_rx	= 0,		/* DBGU not capable of receive DMA */
-	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 3b70b3897d95..ae78f4d03b73 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -816,8 +816,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 #if defined(CONFIG_SERIAL_ATMEL)
 static struct resource dbgu_resources[] = {
 	[0] = {
-		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
-		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+		.start	= AT91_BASE_SYS + AT91_DBGU,
+		.end	= AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -830,7 +830,6 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
 	.use_dma_tx	= 0,
 	.use_dma_rx	= 0,		/* DBGU not capable of receive DMA */
-	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 3faa1fde9ad9..ad017eb1f8df 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -1196,8 +1196,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 
 static struct resource dbgu_resources[] = {
 	[0] = {
-		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
-		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+		.start	= AT91_BASE_SYS + AT91_DBGU,
+		.end	= AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -1210,7 +1210,6 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
 	.use_dma_tx	= 0,
 	.use_dma_rx	= 0,		/* DBGU not capable of receive DMA */
-	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 000b5e1da965..ad00953a7f4f 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -1332,8 +1332,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 #if defined(CONFIG_SERIAL_ATMEL)
 static struct resource dbgu_resources[] = {
 	[0] = {
-		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
-		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+		.start	= AT91_BASE_SYS + AT91_DBGU,
+		.end	= AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -1346,7 +1346,6 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
 	.use_dma_tx	= 0,
 	.use_dma_rx	= 0,
-	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 305a851b5bff..429b6d7e9492 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -908,8 +908,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 #if defined(CONFIG_SERIAL_ATMEL)
 static struct resource dbgu_resources[] = {
 	[0] = {
-		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
-		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+		.start	= AT91_BASE_SYS + AT91_DBGU,
+		.end	= AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -922,7 +922,6 @@ static struct resource dbgu_resources[] = {
 static struct atmel_uart_data dbgu_data = {
 	.use_dma_tx	= 0,
 	.use_dma_rx	= 0,		/* DBGU not capable of receive DMA */
-	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 };
 
 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
-- 
GitLab


From 30458edf667b77012573e649fced3cf5c01efe82 Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Wed, 2 Nov 2011 15:02:43 +0800
Subject: [PATCH 0290/1594] at91: vmalloc fix missing AT91_VIRT_BASE define

VMALLOC_END is defined in terms of AT91_VIRT_BASE but this needs
mach/hardware.h for it's definition.

In file included from arch/arm/mach-at91/board-usb-a926x.c:26:0:
include/linux/mm.h: In function 'is_vmalloc_addr':
include/linux/mm.h:305:41: error: 'AT91_VIRT_BASE' undeclared (first use in this function)
include/linux/mm.h:305:41: note: each undeclared identifier is reported only once for each function it appears in

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
---
 arch/arm/mach-at91/include/mach/vmalloc.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-at91/include/mach/vmalloc.h b/arch/arm/mach-at91/include/mach/vmalloc.h
index 8eb459f3f5b7..8e4a1bd0ab1d 100644
--- a/arch/arm/mach-at91/include/mach/vmalloc.h
+++ b/arch/arm/mach-at91/include/mach/vmalloc.h
@@ -21,6 +21,8 @@
 #ifndef __ASM_ARCH_VMALLOC_H
 #define __ASM_ARCH_VMALLOC_H
 
+#include <mach/hardware.h>
+
 #define VMALLOC_END		(AT91_VIRT_BASE & PGDIR_MASK)
 
 #endif
-- 
GitLab


From b2eb5309fbc680406d6bf3b182178f0cfaf951fb Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Mon, 19 Sep 2011 19:26:52 +0800
Subject: [PATCH 0291/1594] at91/yl-9200: Fix section mismatch

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 arch/arm/mach-at91/board-yl-9200.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-at91/board-yl-9200.c b/arch/arm/mach-at91/board-yl-9200.c
index 649b052231f5..12a3f955162b 100644
--- a/arch/arm/mach-at91/board-yl-9200.c
+++ b/arch/arm/mach-at91/board-yl-9200.c
@@ -384,7 +384,7 @@ static struct spi_board_info yl9200_spi_devices[] = {
 #include <video/s1d13xxxfb.h>
 
 
-static void __init yl9200_init_video(void)
+static void yl9200_init_video(void)
 {
 	/* NWAIT Signal */
 	at91_set_A_periph(AT91_PIN_PC6, 0);
-- 
GitLab


From 1cb201af626eedf0ff78cc1712c731b463994c60 Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Fri, 4 Nov 2011 01:20:21 +0800
Subject: [PATCH 0292/1594] atmel/spi: fix missing probe

Commit 940ab889 "drivercore: Add helper macro for platform_driver boilerplate"
converted this driver to use module_platform_driver, but due to the use
of platform_driver_probe(), this resulted in the call to atmel_spi_probe being
lost. Place the call to this function into the driver structure.

fix section missmatch

atmel_spi_probe is marked __init where it's supposed to be __devinit
atmel_spi_remove is marked __exit where it's supposed to be __devexit

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
 drivers/spi/spi-atmel.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 79665e2e6ec5..16d6a839c7fa 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -907,7 +907,7 @@ static void atmel_spi_cleanup(struct spi_device *spi)
 
 /*-------------------------------------------------------------------------*/
 
-static int __init atmel_spi_probe(struct platform_device *pdev)
+static int __devinit atmel_spi_probe(struct platform_device *pdev)
 {
 	struct resource		*regs;
 	int			irq;
@@ -1003,7 +1003,7 @@ out_free:
 	return ret;
 }
 
-static int __exit atmel_spi_remove(struct platform_device *pdev)
+static int __devexit atmel_spi_remove(struct platform_device *pdev)
 {
 	struct spi_master	*master = platform_get_drvdata(pdev);
 	struct atmel_spi	*as = spi_master_get_devdata(master);
@@ -1072,6 +1072,7 @@ static struct platform_driver atmel_spi_driver = {
 	},
 	.suspend	= atmel_spi_suspend,
 	.resume		= atmel_spi_resume,
+	.probe		= atmel_spi_probe,
 	.remove		= __exit_p(atmel_spi_remove),
 };
 module_platform_driver(atmel_spi_driver);
-- 
GitLab


From dd0b3825495a2e7a8cd6cf0ec077618c008ac7c4 Mon Sep 17 00:00:00 2001
From: Jochen Friedrich <jochen@scram.de>
Date: Tue, 25 Oct 2011 20:51:06 +0200
Subject: [PATCH 0293/1594] ARM: at91: Fix USBA gadget registration

Since 193ab2a6070039e7ee2b9b9bebea754a7c52fd1b, various AT91 boards don't
register USBA adapters anymore due to depending on a now non-existing
symbol. Fix the symbol name.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
CC: stable@kernel.org
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 arch/arm/mach-at91/at91cap9_devices.c    | 2 +-
 arch/arm/mach-at91/at91sam9g45_devices.c | 2 +-
 arch/arm/mach-at91/at91sam9rl_devices.c  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index b9739baa21e4..adad70db70eb 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -98,7 +98,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB HS Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+#if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE)
 
 static struct resource usba_udc_resources[] = {
 	[0] = {
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index ad00953a7f4f..09a16d6bd5cd 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -197,7 +197,7 @@ void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) {}
  *  USB HS Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+#if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE)
 static struct resource usba_udc_resources[] = {
 	[0] = {
 		.start	= AT91SAM9G45_UDPHS_FIFO,
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 429b6d7e9492..628eb566d60c 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -75,7 +75,7 @@ void __init at91_add_device_hdmac(void) {}
  *  USB HS Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+#if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE)
 
 static struct resource usba_udc_resources[] = {
 	[0] = {
-- 
GitLab


From 8d804d4fdf90b3af62a41a20bf8b21b75529a003 Mon Sep 17 00:00:00 2001
From: David Daney <david.daney@cavium.com>
Date: Mon, 7 Nov 2011 12:49:30 -0800
Subject: [PATCH 0294/1594] STAGING: octeon-ethernet: Fix compile error caused
 by skb_frag_struct change

Evidently the definition of struct skb_frag_struct has changed, so we
need to change to match it.

Signed-off-by: David Daney <david.daney@cavium.com>
To: netdev@vger.kernel.org
To: gregkh@suse.de
To: devel@driverdev.osuosl.org
Patchwork: https://patchwork.linux-mips.org/patch/2909/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 drivers/staging/octeon/ethernet-tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index b445cd63f901..2542c3743904 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -275,7 +275,7 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
 		CVM_OCT_SKB_CB(skb)[0] = hw_buffer.u64;
 		for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
 			struct skb_frag_struct *fs = skb_shinfo(skb)->frags + i;
-			hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)(page_address(fs->page) + fs->page_offset));
+			hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)(page_address(fs->page.p) + fs->page_offset));
 			hw_buffer.s.size = fs->size;
 			CVM_OCT_SKB_CB(skb)[i + 1] = hw_buffer.u64;
 		}
-- 
GitLab


From 65c397d6b58d5e401bee7c24608d3a33a220a63a Mon Sep 17 00:00:00 2001
From: Konstantin Ozerkov <kozerkov@parallels.com>
Date: Wed, 9 Nov 2011 19:28:54 +0400
Subject: [PATCH 0295/1594] ALSA: intel8x0: move virtual environment detection
 code into one place

This is refactoring patch: preparation for add improved detection code.
Now all detection code placed in one place.

Signed-off-by: Konstantin Ozerkov <kozerkov@parallels.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/intel8x0.c | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index c3b9bd0e188e..2d4bb4c9a030 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2937,6 +2937,24 @@ static unsigned int sis_codec_bits[3] = {
 	ICH_PCR, ICH_SCR, ICH_SIS_TCR
 };
 
+static int __devinit snd_intel8x0_inside_vm(void)
+{
+	int result = inside_vm;
+
+	if (result < 0) {
+		/* detect KVM and Parallels virtual environments */
+		result = kvm_para_available();
+#if defined(__i386__) || defined(__x86_64__)
+		result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR);
+#endif
+	}
+
+	if (result)
+		printk(KERN_INFO "intel8x0: enable KVM optimization\n");
+
+	return result;
+}
+
 static int __devinit snd_intel8x0_create(struct snd_card *card,
 					 struct pci_dev *pci,
 					 unsigned long device_type,
@@ -3004,9 +3022,7 @@ static int __devinit snd_intel8x0_create(struct snd_card *card,
 	if (xbox)
 		chip->xbox = 1;
 
-	chip->inside_vm = inside_vm;
-	if (inside_vm)
-		printk(KERN_INFO "intel8x0: enable KVM optimization\n");
+	chip->inside_vm = snd_intel8x0_inside_vm();
 
 	if (pci->vendor == PCI_VENDOR_ID_INTEL &&
 	    pci->device == PCI_DEVICE_ID_INTEL_440MX)
@@ -3250,14 +3266,6 @@ static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
 			buggy_irq = 0;
 	}
 
-	if (inside_vm < 0) {
-		/* detect KVM and Parallels virtual environments */
-		inside_vm = kvm_para_available();
-#if defined(__i386__) || defined(__x86_64__)
-		inside_vm = inside_vm || boot_cpu_has(X86_FEATURE_HYPERVISOR);
-#endif
-	}
-
 	if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
 				       &chip)) < 0) {
 		snd_card_free(card);
-- 
GitLab


From 7fb4f392bd27e5b0e2444430d241370837bcc8fa Mon Sep 17 00:00:00 2001
From: Konstantin Ozerkov <kozerkov@parallels.com>
Date: Wed, 9 Nov 2011 19:28:55 +0400
Subject: [PATCH 0296/1594] ALSA: intel8x0: improve virtual environment
 detection

Detection code improved by PCI SSID usage. VM optimization
now enabled only for known devcices (skip host devices forwarded
to VM by VT-d or same kind of technology).
For debug/troubleshooting purposes optimization can be
forced (on/off) by module parameter: "inside_vm" (boolean).

Known devices (PCI SSID):
1af4:1100: Reserved for KVM devices. Note this is not yet
           implemented for KVM's ICH/AC'97 emulation.
1ab8:xxxx: Parallels ICH/AC'97 emulated sound.

[ fixed a minor coding-style issue by tiwai]

Signed-off-by: Konstantin Ozerkov <kozerkov@parallels.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/intel8x0.c | 41 +++++++++++++++++++++++++++++++----------
 1 file changed, 31 insertions(+), 10 deletions(-)

diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 2d4bb4c9a030..11718b49b2e2 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2937,20 +2937,41 @@ static unsigned int sis_codec_bits[3] = {
 	ICH_PCR, ICH_SCR, ICH_SIS_TCR
 };
 
-static int __devinit snd_intel8x0_inside_vm(void)
+static int __devinit snd_intel8x0_inside_vm(struct pci_dev *pci)
 {
-	int result = inside_vm;
+	int result  = inside_vm;
+	char *msg   = NULL;
 
-	if (result < 0) {
-		/* detect KVM and Parallels virtual environments */
-		result = kvm_para_available();
-#if defined(__i386__) || defined(__x86_64__)
-		result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR);
+	/* check module parameter first (override detection) */
+	if (result >= 0) {
+		msg = result ? "enable (forced) VM" : "disable (forced) VM";
+		goto fini;
+	}
+
+	/* detect KVM and Parallels virtual environments */
+	result = kvm_para_available();
+#ifdef X86_FEATURE_HYPERVISOR
+	result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR);
 #endif
+	if (!result)
+		goto fini;
+
+	/* check for known (emulated) devices */
+	if (pci->subsystem_vendor == 0x1af4 &&
+	    pci->subsystem_device == 0x1100) {
+		/* KVM emulated sound, PCI SSID: 1af4:1100 */
+		msg = "enable KVM";
+	} else if (pci->subsystem_vendor == 0x1ab8) {
+		/* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
+		msg = "enable Parallels VM";
+	} else {
+		msg = "disable (unknown or VT-d) VM";
+		result = 0;
 	}
 
-	if (result)
-		printk(KERN_INFO "intel8x0: enable KVM optimization\n");
+fini:
+	if (msg != NULL)
+		printk(KERN_INFO "intel8x0: %s optimization\n", msg);
 
 	return result;
 }
@@ -3022,7 +3043,7 @@ static int __devinit snd_intel8x0_create(struct snd_card *card,
 	if (xbox)
 		chip->xbox = 1;
 
-	chip->inside_vm = snd_intel8x0_inside_vm();
+	chip->inside_vm = snd_intel8x0_inside_vm(pci);
 
 	if (pci->vendor == PCI_VENDOR_ID_INTEL &&
 	    pci->device == PCI_DEVICE_ID_INTEL_440MX)
-- 
GitLab


From 4e6c82b3614a18740ef63109d58743a359266daf Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Mon, 7 Nov 2011 08:51:24 -0600
Subject: [PATCH 0297/1594] [SCSI] fix WARNING: at drivers/scsi/scsi_lib.c:1704

On Mon, 2011-11-07 at 17:24 +1100, Stephen Rothwell wrote:
> Hi all,
>
> Starting some time last week I am getting the following during boot on
> our PPC970 blade:
>
> calling  .ipr_init+0x0/0x68 @ 1
> ipr: IBM Power RAID SCSI Device Driver version: 2.5.2 (April 27, 2011)
> ipr 0000:01:01.0: Found IOA with IRQ: 26
> ipr 0000:01:01.0: Starting IOA initialization sequence.
> ipr 0000:01:01.0: Adapter firmware version: 06160039
> ipr 0000:01:01.0: IOA initialized.
> scsi0 : IBM 572E Storage Adapter
> ------------[ cut here ]------------
> WARNING: at drivers/scsi/scsi_lib.c:1704
> Modules linked in:
> NIP: c00000000053b3d4 LR: c00000000053e5b0 CTR: c000000000541d70
> REGS: c0000000783c2f60 TRAP: 0700   Not tainted  (3.1.0-autokern1)
> MSR: 8000000000029032 <EE,ME,CE,IR,DR>  CR: 24002024  XER: 20000002
> TASK = c0000000783b8000[1] 'swapper' THREAD: c0000000783c0000 CPU: 0
> GPR00: 0000000000000001 c0000000783c31e0 c000000000cf38b0 c00000000239a9d0
> GPR04: c000000000cbe8f8 0000000000000000 c0000000783c3040 0000000000000000
> GPR08: c000000075daf488 c000000078a3b7ff c000000000bcacc8 0000000000000000
> GPR12: 0000000044002028 c000000007ffb000 0000000002e40000 000000000099b800
> GPR16: 0000000000000000 c000000000bba5fc c000000000a61db8 0000000000000000
> GPR20: 0000000001b77200 0000000000000000 c000000078990000 0000000000000001
> GPR24: c000000002396828 0000000000000000 0000000000000000 c000000078a3b938
> GPR28: fffffffffffffffa c0000000008ad2c0 c000000000c7faa8 c00000000239a9d0
> NIP [c00000000053b3d4] .scsi_free_queue+0x24/0x90
> LR [c00000000053e5b0] .scsi_alloc_sdev+0x280/0x2e0
> Call Trace:
> [c0000000783c31e0] [c000000000c7faa8] wireless_seq_fops+0x278d0/0x2eb88 (unreliable)
> [c0000000783c3270] [c00000000053e5b0] .scsi_alloc_sdev+0x280/0x2e0
> [c0000000783c3330] [c00000000053eba0] .scsi_probe_and_add_lun+0x390/0xb40
> [c0000000783c34a0] [c00000000053f7ec] .__scsi_scan_target+0x16c/0x650
> [c0000000783c35f0] [c00000000053fd90] .scsi_scan_channel+0xc0/0x100
> [c0000000783c36a0] [c00000000053fefc] .scsi_scan_host_selected+0x12c/0x1c0
> [c0000000783c3750] [c00000000083dcb4] .ipr_probe+0x2c0/0x390
> [c0000000783c3830] [c0000000003f50b4] .local_pci_probe+0x34/0x50
> [c0000000783c38a0] [c0000000003f5f78] .pci_device_probe+0x148/0x150
> [c0000000783c3950] [c0000000004e1e8c] .driver_probe_device+0xdc/0x210
> [c0000000783c39f0] [c0000000004e20cc] .__driver_attach+0x10c/0x110
> [c0000000783c3a80] [c0000000004e1228] .bus_for_each_dev+0x98/0xf0
> [c0000000783c3b30] [c0000000004e1bf8] .driver_attach+0x28/0x40
> [c0000000783c3bb0] [c0000000004e07d8] .bus_add_driver+0x218/0x340
> [c0000000783c3c60] [c0000000004e2a2c] .driver_register+0x9c/0x1b0
> [c0000000783c3d00] [c0000000003f62d4] .__pci_register_driver+0x64/0x140
> [c0000000783c3da0] [c000000000b99f88] .ipr_init+0x4c/0x68
> [c0000000783c3e20] [c00000000000ad24] .do_one_initcall+0x1a4/0x1e0
> [c0000000783c3ee0] [c000000000b512d0] .kernel_init+0x14c/0x1fc
> [c0000000783c3f90] [c000000000022468] .kernel_thread+0x54/0x70
> Instruction dump:
> ebe1fff8 7c0803a6 4e800020 7c0802a6 fba1ffe8 fbe1fff8 7c7f1b78 f8010010
> f821ff71 e8030398 3120ffff 7c090110 <0b000000> e86303b0 482de065 60000000
> ---[ end trace 759bed76a85e8dec ]---
> scsi 0:0:1:0: Direct-Access     IBM-ESXS MAY2036RC        T106 PQ: 0 ANSI: 5
> ------------[ cut here ]------------
>
> I get lots more of these.  The obvious commit to point the finger at
> is 3308511c93e6 ("[SCSI] Make scsi_free_queue() kill pending SCSI
> commands") but the root cause may be something different.

Caused by

commit f7c9c6bb14f3104608a3a83cadea10a6943d2804
Author: Anton Blanchard <anton@samba.org>
Date:   Thu Nov 3 08:56:22 2011 +1100

    [SCSI] Fix block queue and elevator memory leak in scsi_alloc_sdev

Doesn't completely do the teardown.  The true fix is to do a proper
teardown instead of hand rolling it

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: stable@kernel.org	#2.6.38+
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/scsi_scan.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 72273a0e5666..b3c6d957fbd8 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -319,11 +319,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
 	return sdev;
 
 out_device_destroy:
-	scsi_device_set_state(sdev, SDEV_DEL);
-	transport_destroy_device(&sdev->sdev_gendev);
-	put_device(&sdev->sdev_dev);
-	scsi_free_queue(sdev->request_queue);
-	put_device(&sdev->sdev_gendev);
+	__scsi_remove_device(sdev);
 out:
 	if (display_failure_msg)
 		printk(ALLOC_FAILURE_MSG, __func__);
-- 
GitLab


From 745718132c3c7cac98a622b610e239dcd5217f71 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Wed, 9 Nov 2011 08:39:24 +0100
Subject: [PATCH 0298/1594] [SCSI] Silencing 'killing requests for dead queue'

When we tear down a device we try to flush all outstanding
commands in scsi_free_queue(). However the check in
scsi_request_fn() is imperfect as it only signals that
we _might start_ aborting commands, not that we've actually
aborted some.
So move the printk inside the scsi_kill_request function,
this will also give us a hint about which commands are aborted.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/scsi_lib.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 06bc26554a67..f85cfa6c47b5 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1409,6 +1409,8 @@ static void scsi_kill_request(struct request *req, struct request_queue *q)
 
 	blk_start_request(req);
 
+	scmd_printk(KERN_INFO, cmd, "killing request\n");
+
 	sdev = cmd->device;
 	starget = scsi_target(sdev);
 	shost = sdev->host;
@@ -1490,7 +1492,6 @@ static void scsi_request_fn(struct request_queue *q)
 	struct request *req;
 
 	if (!sdev) {
-		printk("scsi: killing requests for dead queue\n");
 		while ((req = blk_peek_request(q)) != NULL)
 			scsi_kill_request(req, q);
 		return;
-- 
GitLab


From 4b91b6fb8646843d96628ae9512d8c4cd33ece2d Mon Sep 17 00:00:00 2001
From: Stephen Warren <swarren@nvidia.com>
Date: Tue, 25 Oct 2011 02:01:27 +0000
Subject: [PATCH 0299/1594] arm/tegra: Don't create duplicate gpio and pinmux
 devices

*_pinmux_init() register the GPIO and pinmux devices so that they're ready
before any other device needs them.

*_pinmux_init() are also called by board-dt.c in order to set up the GPIO
and pinmux configurations. In this case, if we register the devices, they
end up being probed once due to this registration, and a second time due
to a device-tree node (or vice-versa). The second probe fails since the
memory regions are already requested. Besides, we don't actually want the
duplicated devices.

To avoid this duplicate registration, modify *_pinmux_init() to check
whether it's running on a DT machine. If not, register the pinmux devices.
If so, don't register them.

Finally, modify board-dt.c to call the *_pinmux_init() after all devices have
been instantiated from device-tree. This allows the GPIO and pinmux devices
to be instantiated and initialized before calling functions to configure the
hardware.

This has one disadvantage: The pinmux and GPIO initialization now happens
after /all/ devices are instantiated, rather than after just gpio and
pinmux but before anything else. So the correct HW configuration is not
in place when e.g. the SD/MMC device is probed. Long-term, this should be
solved by doing both:

a) Initializing the HW state from DT nodes during GPIO and pinmux device
   probe.
b) Using the deferred driver probe mechanism, so that drivers can defer
   their probe until after the gpio and pinmux drivers have probed.

v2: s/int is_dt/bool is_dt/
v3: Use of_machine_is_compatible inside *_pinmux_init() rather than passing
an explicit parameter into the function from outside.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
---
 arch/arm/mach-tegra/board-dt.c               | 13 +++++++------
 arch/arm/mach-tegra/board-harmony-pinmux.c   |  6 +++++-
 arch/arm/mach-tegra/board-paz00-pinmux.c     |  6 +++++-
 arch/arm/mach-tegra/board-seaboard-pinmux.c  |  5 ++++-
 arch/arm/mach-tegra/board-trimslice-pinmux.c |  5 ++++-
 5 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c
index d368f8dafcfd..74743ad3d2d3 100644
--- a/arch/arm/mach-tegra/board-dt.c
+++ b/arch/arm/mach-tegra/board-dt.c
@@ -101,6 +101,13 @@ static void __init tegra_dt_init(void)
 
 	tegra_clk_init_from_table(tegra_dt_clk_init_table);
 
+	/*
+	 * Finished with the static registrations now; fill in the missing
+	 * devices
+	 */
+	of_platform_populate(NULL, tegra_dt_match_table,
+				tegra20_auxdata_lookup, NULL);
+
 	for (i = 0; i < ARRAY_SIZE(pinmux_configs); i++) {
 		if (of_machine_is_compatible(pinmux_configs[i].machine)) {
 			pinmux_configs[i].init();
@@ -110,12 +117,6 @@ static void __init tegra_dt_init(void)
 
 	WARN(i == ARRAY_SIZE(pinmux_configs),
 		"Unknown platform! Pinmuxing not initialized\n");
-
-	/*
-	 * Finished with the static registrations now; fill in the missing
-	 * devices
-	 */
-	of_platform_populate(NULL, tegra_dt_match_table, tegra20_auxdata_lookup, NULL);
 }
 
 static const char * tegra_dt_board_compat[] = {
diff --git a/arch/arm/mach-tegra/board-harmony-pinmux.c b/arch/arm/mach-tegra/board-harmony-pinmux.c
index e99b45618cd0..7a4a26d5174c 100644
--- a/arch/arm/mach-tegra/board-harmony-pinmux.c
+++ b/arch/arm/mach-tegra/board-harmony-pinmux.c
@@ -16,6 +16,8 @@
 
 #include <linux/kernel.h>
 #include <linux/gpio.h>
+#include <linux/of.h>
+
 #include <mach/pinmux.h>
 
 #include "gpio-names.h"
@@ -161,7 +163,9 @@ static struct tegra_gpio_table gpio_table[] = {
 
 void harmony_pinmux_init(void)
 {
-	platform_add_devices(pinmux_devices, ARRAY_SIZE(pinmux_devices));
+	if (!of_machine_is_compatible("nvidia,tegra20"))
+		platform_add_devices(pinmux_devices,
+					ARRAY_SIZE(pinmux_devices));
 
 	tegra_pinmux_config_table(harmony_pinmux, ARRAY_SIZE(harmony_pinmux));
 
diff --git a/arch/arm/mach-tegra/board-paz00-pinmux.c b/arch/arm/mach-tegra/board-paz00-pinmux.c
index fb20894862b0..be30e215f4b7 100644
--- a/arch/arm/mach-tegra/board-paz00-pinmux.c
+++ b/arch/arm/mach-tegra/board-paz00-pinmux.c
@@ -16,6 +16,8 @@
 
 #include <linux/kernel.h>
 #include <linux/gpio.h>
+#include <linux/of.h>
+
 #include <mach/pinmux.h>
 
 #include "gpio-names.h"
@@ -158,7 +160,9 @@ static struct tegra_gpio_table gpio_table[] = {
 
 void paz00_pinmux_init(void)
 {
-	platform_add_devices(pinmux_devices, ARRAY_SIZE(pinmux_devices));
+	if (!of_machine_is_compatible("nvidia,tegra20"))
+		platform_add_devices(pinmux_devices,
+					ARRAY_SIZE(pinmux_devices));
 
 	tegra_pinmux_config_table(paz00_pinmux, ARRAY_SIZE(paz00_pinmux));
 
diff --git a/arch/arm/mach-tegra/board-seaboard-pinmux.c b/arch/arm/mach-tegra/board-seaboard-pinmux.c
index fbce31daa3c9..eb5991dbe242 100644
--- a/arch/arm/mach-tegra/board-seaboard-pinmux.c
+++ b/arch/arm/mach-tegra/board-seaboard-pinmux.c
@@ -16,6 +16,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/gpio.h>
+#include <linux/of.h>
 
 #include <mach/pinmux.h>
 #include <mach/pinmux-t2.h>
@@ -218,7 +219,9 @@ static void __init update_pinmux(struct tegra_pingroup_config *newtbl, int size)
 
 void __init seaboard_common_pinmux_init(void)
 {
-	platform_add_devices(pinmux_devices, ARRAY_SIZE(pinmux_devices));
+	if (!of_machine_is_compatible("nvidia,tegra20"))
+		platform_add_devices(pinmux_devices,
+					ARRAY_SIZE(pinmux_devices));
 
 	tegra_pinmux_config_table(seaboard_pinmux, ARRAY_SIZE(seaboard_pinmux));
 
diff --git a/arch/arm/mach-tegra/board-trimslice-pinmux.c b/arch/arm/mach-tegra/board-trimslice-pinmux.c
index 4969dd28a04c..7ab719d46da0 100644
--- a/arch/arm/mach-tegra/board-trimslice-pinmux.c
+++ b/arch/arm/mach-tegra/board-trimslice-pinmux.c
@@ -16,6 +16,7 @@
 #include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/of.h>
 
 #include <mach/pinmux.h>
 
@@ -157,7 +158,9 @@ static struct tegra_gpio_table gpio_table[] = {
 
 void __init trimslice_pinmux_init(void)
 {
-	platform_add_devices(pinmux_devices, ARRAY_SIZE(pinmux_devices));
+	if (!of_machine_is_compatible("nvidia,tegra20"))
+		platform_add_devices(pinmux_devices,
+					ARRAY_SIZE(pinmux_devices));
 	tegra_pinmux_config_table(trimslice_pinmux, ARRAY_SIZE(trimslice_pinmux));
 	tegra_gpio_config(gpio_table, ARRAY_SIZE(gpio_table));
 }
-- 
GitLab


From c406eeb3aa7007ed252290f2f11c8383ca95a177 Mon Sep 17 00:00:00 2001
From: Stephen Warren <swarren@nvidia.com>
Date: Wed, 19 Oct 2011 06:53:57 +0000
Subject: [PATCH 0300/1594] arm/dt: Fix ventana SDHCI power-gpios

Ventana uses the same SDHCI GPIOs as Seaboard; PI6 (70) is the power GPIO
for the SD port, and there is no power GPIO for the MMC chip.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
---
 arch/arm/boot/dts/tegra-ventana.dts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/tegra-ventana.dts b/arch/arm/boot/dts/tegra-ventana.dts
index 9b29a623aaf1..3f9abd6b6964 100644
--- a/arch/arm/boot/dts/tegra-ventana.dts
+++ b/arch/arm/boot/dts/tegra-ventana.dts
@@ -22,11 +22,10 @@
 	sdhci@c8000400 {
 		cd-gpios = <&gpio 69 0>; /* gpio PI5 */
 		wp-gpios = <&gpio 57 0>; /* gpio PH1 */
-		power-gpios = <&gpio 155 0>; /* gpio PT3 */
+		power-gpios = <&gpio 70 0>; /* gpio PI6 */
 	};
 
 	sdhci@c8000600 {
-		power-gpios = <&gpio 70 0>; /* gpio PI6 */
 		support-8bit;
 	};
 };
-- 
GitLab


From 686448d7a253f9db836f4f44c6624461570e5026 Mon Sep 17 00:00:00 2001
From: Yufeng Shen <miletus@chromium.org>
Date: Fri, 28 Oct 2011 06:27:06 +0000
Subject: [PATCH 0301/1594] arm/tegra: enable headphone detection gpio on
 seaboard

Enable the headphone detection gpio on tegra platform.

Signed-off-by: Yufeng Shen <miletus@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
---
 arch/arm/mach-tegra/board-seaboard-pinmux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-tegra/board-seaboard-pinmux.c b/arch/arm/mach-tegra/board-seaboard-pinmux.c
index eb5991dbe242..b1c2972f62fe 100644
--- a/arch/arm/mach-tegra/board-seaboard-pinmux.c
+++ b/arch/arm/mach-tegra/board-seaboard-pinmux.c
@@ -192,6 +192,7 @@ static struct tegra_gpio_table common_gpio_table[] = {
 	{ .gpio = TEGRA_GPIO_SD2_POWER,		.enable = true },
 	{ .gpio = TEGRA_GPIO_LIDSWITCH,		.enable = true },
 	{ .gpio = TEGRA_GPIO_POWERKEY,		.enable = true },
+	{ .gpio = TEGRA_GPIO_HP_DET,		.enable = true },
 	{ .gpio = TEGRA_GPIO_ISL29018_IRQ,	.enable = true },
 	{ .gpio = TEGRA_GPIO_CDC_IRQ,		.enable = true },
 	{ .gpio = TEGRA_GPIO_USB1,		.enable = true },
-- 
GitLab


From f8d1ccf15568268c76f913b45ecdd33134387f1a Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 8 Nov 2011 12:28:33 +0100
Subject: [PATCH 0302/1594] mac80211: fix NULL dereference in radiotap code

When receiving failed PLCP frames is enabled, there
won't be a rate pointer when we add the radiotap
header and thus the kernel will crash. Fix this by
not assuming the rate pointer is always valid. It's
still always valid for frames that have good PLCP
though, and that is checked & enforced.

This was broken by my
commit fc88518916793af8ad6a02e05ff254d95c36d875
Author: Johannes Berg <johannes.berg@intel.com>
Date:   Fri Jul 30 13:23:12 2010 +0200

    mac80211: don't check rates on PLCP error frames

where I removed the check in this case but didn't
take into account that the rate info would be used.

Reported-by: Xiaokang Qin <xiaokang.qin@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index b867bd55de7a..097b42d286e2 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -140,8 +140,9 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	pos++;
 
 	/* IEEE80211_RADIOTAP_RATE */
-	if (status->flag & RX_FLAG_HT) {
+	if (!rate || status->flag & RX_FLAG_HT) {
 		/*
+		 * Without rate information don't add it. If we have,
 		 * MCS information is a separate field in radiotap,
 		 * added below. The byte here is needed as padding
 		 * for the channel though, so initialise it to 0.
@@ -162,12 +163,14 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	else if (status->flag & RX_FLAG_HT)
 		put_unaligned_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ,
 				   pos);
-	else if (rate->flags & IEEE80211_RATE_ERP_G)
+	else if (rate && rate->flags & IEEE80211_RATE_ERP_G)
 		put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
 				   pos);
-	else
+	else if (rate)
 		put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ,
 				   pos);
+	else
+		put_unaligned_le16(IEEE80211_CHAN_2GHZ, pos);
 	pos += 2;
 
 	/* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
-- 
GitLab


From 5b2bbf75a24d6b06afff6de0eb4819413fd81971 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 8 Nov 2011 13:04:41 +0100
Subject: [PATCH 0303/1594] mac80211: fix bug in ieee80211_build_probe_req

ieee80211_probereq_get() can return NULL in
which case we should clean up & return NULL
in ieee80211_build_probe_req() as well.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/util.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 7439d26bf5f9..0c9490722aa5 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -880,6 +880,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
 	skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
 				     ssid, ssid_len,
 				     buf, buf_len);
+	if (!skb)
+		goto out;
 
 	if (dst) {
 		mgmt = (struct ieee80211_mgmt *) skb->data;
@@ -888,6 +890,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
 	}
 
 	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ out:
 	kfree(buf);
 
 	return skb;
-- 
GitLab


From 58ebacc66bd11be2327edcefc79de94bd6f5bb4a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com>
Date: Tue, 8 Nov 2011 14:28:06 -0800
Subject: [PATCH 0304/1594] cfg80211: fix bug on regulatory core exit on access
 to last_request

Commit 4d9d88d1 by Scott James Remnant <keybuk@google.com> added
the .uevent() callback for the regulatory device used during
the platform device registration. The change was done to account
for queuing up udev change requests through udevadm triggers.
The change also meant that upon regulatory core exit we will now
send a uevent() but the uevent() callback, reg_device_uevent(),
also accessed last_request. Right before commiting device suicide
we free'd last_request but never set it to NULL so
platform_device_unregister() would lead to bogus kernel paging
request. Fix this and also simply supress uevents right before
we commit suicide as they are pointless.

This fix is required for kernels >= v2.6.39

$ git describe --contains 4d9d88d1
v2.6.39-rc1~468^2~25^2^2~21

The impact of not having this present is that a bogus paging
access may occur (only read) upon cfg80211 unload time. You
may also get this BUG complaint below. Although Johannes
could not reproduce the issue this fix is theoretically correct.

mac80211_hwsim: unregister radios
mac80211_hwsim: closing netlink
BUG: unable to handle kernel paging request at ffff88001a06b5ab
IP: [<ffffffffa030df9a>] reg_device_uevent+0x1a/0x50 [cfg80211]
PGD 1836063 PUD 183a063 PMD 1ffcb067 PTE 1a06b160
Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
CPU 0
Modules linked in: cfg80211(-) [last unloaded: mac80211]

Pid: 2279, comm: rmmod Tainted: G        W   3.1.0-wl+ #663 Bochs Bochs
RIP: 0010:[<ffffffffa030df9a>]  [<ffffffffa030df9a>] reg_device_uevent+0x1a/0x50 [cfg80211]
RSP: 0000:ffff88001c5f9d58  EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88001d2eda88 RCX: ffff88001c7468fc
RDX: ffff88001a06b5a0 RSI: ffff88001c7467b0 RDI: ffff88001c7467b0
RBP: ffff88001c5f9d58 R08: 000000000000ffff R09: 000000000000ffff
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88001c7467b0
R13: ffff88001d2eda78 R14: ffffffff8164a840 R15: 0000000000000001
FS:  00007f8a91d8a6e0(0000) GS:ffff88001fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffff88001a06b5ab CR3: 000000001c62e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process rmmod (pid: 2279, threadinfo ffff88001c5f8000, task ffff88000023c780)
Stack:
 ffff88001c5f9d98 ffffffff812ff7e5 ffffffff8176ab3d ffff88001c7468c2
 000000000000ffff ffff88001d2eda88 ffff88001c7467b0 ffff880000114820
 ffff88001c5f9e38 ffffffff81241dc7 ffff88001c5f9db8 ffffffff81040189
Call Trace:
 [<ffffffff812ff7e5>] dev_uevent+0xc5/0x170
 [<ffffffff81241dc7>] kobject_uevent_env+0x1f7/0x490
 [<ffffffff81040189>] ? sub_preempt_count+0x29/0x60
 [<ffffffff814cab1a>] ? _raw_spin_unlock_irqrestore+0x4a/0x90
 [<ffffffff81305307>] ? devres_release_all+0x27/0x60
 [<ffffffff8124206b>] kobject_uevent+0xb/0x10
 [<ffffffff812fee27>] device_del+0x157/0x1b0
 [<ffffffff8130377d>] platform_device_del+0x1d/0x90
 [<ffffffff81303b76>] platform_device_unregister+0x16/0x30
 [<ffffffffa030fffd>] regulatory_exit+0x5d/0x180 [cfg80211]
 [<ffffffffa032bec3>] cfg80211_exit+0x2b/0x45 [cfg80211]
 [<ffffffff8109a84c>] sys_delete_module+0x16c/0x220
 [<ffffffff8108a23e>] ? trace_hardirqs_on_caller+0x7e/0x120
 [<ffffffff814cba02>] system_call_fastpath+0x16/0x1b
Code: <all your base are belong to me>
RIP  [<ffffffffa030df9a>] reg_device_uevent+0x1a/0x50 [cfg80211]
 RSP <ffff88001c5f9d58>
CR2: ffff88001a06b5ab
---[ end trace 147c5099a411e8c0 ]---

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Scott James Remnant <keybuk@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/reg.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2520a1b7e7db..bc1ec2c26fd0 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2263,6 +2263,9 @@ void /* __init_or_exit */ regulatory_exit(void)
 
 	kfree(last_request);
 
+	last_request = NULL;
+	dev_set_uevent_suppress(&reg_pdev->dev, true);
+
 	platform_device_unregister(reg_pdev);
 
 	spin_lock_bh(&reg_pending_beacons_lock);
-- 
GitLab


From d929bbc63069396e723a180cde9cb71adc9f76ac Mon Sep 17 00:00:00 2001
From: Steven Miao <realmz6@gmail.com>
Date: Wed, 9 Nov 2011 16:30:40 +0800
Subject: [PATCH 0305/1594] wireless: libertas: fix unaligned le64 accesses

use get_unaligned_le64() to get timestamp

Signed-off-by: Steven Miao <realmz6@gmail.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cfg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 4fcd653bddc4..a7f1ab28940d 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -634,7 +634,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
 			if (channel &&
 			    !(channel->flags & IEEE80211_CHAN_DISABLED))
 				cfg80211_inform_bss(wiphy, channel,
-					bssid, le64_to_cpu(*(__le64 *)tsfdesc),
+					bssid, get_unaligned_le64(tsfdesc),
 					capa, intvl, ie, ielen,
 					LBS_SCAN_RSSI_TO_MBM(rssi),
 					GFP_KERNEL);
-- 
GitLab


From 0ecfe806f146e0cb10c2c5abbb3bb4e91959e41a Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 9 Nov 2011 12:14:16 +0100
Subject: [PATCH 0306/1594] mac80211: fix race between connection monitor &
 suspend

When the connection monitor timer fires right before
suspend, the following will happen:
 timer fires -> monitor_work gets queued
 suspend calls ieee80211_sta_quiesce
 ieee80211_sta_quiesce:
  - deletes timer
  - cancels monitor_work synchronously, running it
  [note wrong order of these steps]
 monitor_work runs, re-arming the timer
 later, timer fires while system should be quiesced

This causes a warning:

WARNING: at net/mac80211/util.c:540 ieee80211_can_queue_work+0x35/0x40 [mac80211]()

but is otherwise harmless. I'm not completely sure
this is the scenario Thomas stumbled across, but it
is the only way I can right now see the warning in
a scenario like the one he reported.

Reported-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mlme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d3b408cda08d..40db011da580 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2286,6 +2286,7 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
 
 	cancel_work_sync(&ifmgd->request_smps_work);
 
+	cancel_work_sync(&ifmgd->monitor_work);
 	cancel_work_sync(&ifmgd->beacon_connection_loss_work);
 	if (del_timer_sync(&ifmgd->timer))
 		set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
@@ -2294,7 +2295,6 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
 	if (del_timer_sync(&ifmgd->chswitch_timer))
 		set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running);
 
-	cancel_work_sync(&ifmgd->monitor_work);
 	/* these will just be re-established on connection */
 	del_timer_sync(&ifmgd->conn_mon_timer);
 	del_timer_sync(&ifmgd->bcn_mon_timer);
-- 
GitLab


From 50ec1538fac0e39078d45ca5f8a5186621830058 Mon Sep 17 00:00:00 2001
From: Ricardo Ribalda <ricardo.ribalda@gmail.com>
Date: Mon, 7 Nov 2011 23:31:58 +0000
Subject: [PATCH 0307/1594] net/temac: FIX segfault when process old irqs

Do not enable the irq until the scatter gather registers are ready to
handle the data. Otherwise an irq from a packet send/received before
last close can lead to an access to an invalid memory region on the irq
handler.

Also, stop the dma engine on close.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/xilinx/ll_temac_main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index caf3659e173c..05a1ffad20d2 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -203,6 +203,9 @@ static void temac_dma_bd_release(struct net_device *ndev)
 	struct temac_local *lp = netdev_priv(ndev);
 	int i;
 
+	/* Reset Local Link (DMA) */
+	lp->dma_out(lp, DMA_CONTROL_REG, DMA_CONTROL_RST);
+
 	for (i = 0; i < RX_BD_NUM; i++) {
 		if (!lp->rx_skb[i])
 			break;
@@ -860,6 +863,8 @@ static int temac_open(struct net_device *ndev)
 		phy_start(lp->phy_dev);
 	}
 
+	temac_device_reset(ndev);
+
 	rc = request_irq(lp->tx_irq, ll_temac_tx_irq, 0, ndev->name, ndev);
 	if (rc)
 		goto err_tx_irq;
@@ -867,7 +872,6 @@ static int temac_open(struct net_device *ndev)
 	if (rc)
 		goto err_rx_irq;
 
-	temac_device_reset(ndev);
 	return 0;
 
  err_rx_irq:
-- 
GitLab


From f79d7e6f6ae397caf219cef1392ca39b3ff10833 Mon Sep 17 00:00:00 2001
From: Ricardo Ribalda <ricardo.ribalda@gmail.com>
Date: Mon, 7 Nov 2011 23:39:57 +0000
Subject: [PATCH 0308/1594] net/ll_temac: FIX : Wait for indirect wait to end

While tracing down a connectivity problem on the temac I connected a
probe to the Cross bar irq, and it was triggered when doing
ifdown->ifup.

This is fixed once waiting for the indirect write to end. Since it is
not on the hot path there is no performance loss.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/xilinx/ll_temac_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 05a1ffad20d2..2681b53820ee 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -114,6 +114,7 @@ void temac_indirect_out32(struct temac_local *lp, int reg, u32 value)
 		return;
 	temac_iow(lp, XTE_LSW0_OFFSET, value);
 	temac_iow(lp, XTE_CTL0_OFFSET, CNTLREG_WRITE_ENABLE_MASK | reg);
+	temac_indirect_busywait(lp);
 }
 
 /**
-- 
GitLab


From a90e8b6fb80db43b029e1e76205452afa8bdc77a Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Tue, 8 Nov 2011 16:47:55 +0200
Subject: [PATCH 0309/1594] Btrfs: fix memory leak in
 btrfs_parse_early_options()

Don't leak subvol_name string in case multiple subvol= options are
given.  "The lastest option is effective" behavior (consistent with
subvolid= and subvolrootid= options) is preserved.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 fs/btrfs/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index dcd5aef6b614..6befcaf253bd 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -448,6 +448,7 @@ static int btrfs_parse_early_options(const char *options, fmode_t flags,
 		token = match_token(p, tokens, args);
 		switch (token) {
 		case Opt_subvol:
+			kfree(*subvol_name);
 			*subvol_name = match_strdup(&args[0]);
 			break;
 		case Opt_subvolid:
-- 
GitLab


From f23c8af8ca2789eeb0ab9ea90c214f9694d96cc5 Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Tue, 8 Nov 2011 19:15:05 +0200
Subject: [PATCH 0310/1594] Btrfs: fix subvol_name leak on error in
 btrfs_mount()

btrfs_parse_early_options() can fail due to error while scanning devices
(-o device= option), but still strdup() subvol_name string:

mount -o subvol=SUBV,device=BAD_DEVICE <dev> <mnt>

So free subvol_name string on error.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 fs/btrfs/super.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 6befcaf253bd..58e9492230ce 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -905,8 +905,10 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 	error = btrfs_parse_early_options(data, mode, fs_type,
 					  &subvol_name, &subvol_objectid,
 					  &subvol_rootid, &fs_devices);
-	if (error)
+	if (error) {
+		kfree(subvol_name);
 		return ERR_PTR(error);
+	}
 
 	if (subvol_name) {
 		root = mount_subvol(subvol_name, flags, device_name, data);
-- 
GitLab


From 4d34b2789538befa45a68a191dc12e0886a69f7d Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Wed, 9 Nov 2011 00:08:15 +0200
Subject: [PATCH 0311/1594] Btrfs: avoid null dereference and leaks when
 bailing from open_ctree()

Fix bugs introduced by 6c41761f.  Firstly, after failing to allocate any
of the tree roots (first 'goto fail' in open_ctree()) we would
dereference a NULL fs_info pointer in free_fs_info().  Secondly, after
failures from init_srcu_struct(), setup_bdi() and new_inode() we would
leak all earlier allocated roots: fs_info fields haven't been
initialized yet so free_fs_info() is rendered useless.

Fix this by initializing fs_info pointer and fs_info fields before any
allocations happen.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 fs/btrfs/disk-io.c | 35 +++++++++++++++--------------------
 1 file changed, 15 insertions(+), 20 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index e53a5bb85670..91db90b526c2 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1890,31 +1890,32 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 	u64 features;
 	struct btrfs_key location;
 	struct buffer_head *bh;
-	struct btrfs_root *extent_root = kzalloc(sizeof(struct btrfs_root),
-						 GFP_NOFS);
-	struct btrfs_root *csum_root = kzalloc(sizeof(struct btrfs_root),
-						 GFP_NOFS);
+	struct btrfs_super_block *disk_super;
 	struct btrfs_root *tree_root = btrfs_sb(sb);
-	struct btrfs_fs_info *fs_info = NULL;
-	struct btrfs_root *chunk_root = kzalloc(sizeof(struct btrfs_root),
-						GFP_NOFS);
-	struct btrfs_root *dev_root = kzalloc(sizeof(struct btrfs_root),
-					      GFP_NOFS);
+	struct btrfs_fs_info *fs_info = tree_root->fs_info;
+	struct btrfs_root *extent_root;
+	struct btrfs_root *csum_root;
+	struct btrfs_root *chunk_root;
+	struct btrfs_root *dev_root;
 	struct btrfs_root *log_tree_root;
-
 	int ret;
 	int err = -EINVAL;
 	int num_backups_tried = 0;
 	int backup_index = 0;
 
-	struct btrfs_super_block *disk_super;
+	extent_root = fs_info->extent_root =
+		kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
+	csum_root = fs_info->csum_root =
+		kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
+	chunk_root = fs_info->chunk_root =
+		kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
+	dev_root = fs_info->dev_root =
+		kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
 
-	if (!extent_root || !tree_root || !tree_root->fs_info ||
-	    !chunk_root || !dev_root || !csum_root) {
+	if (!extent_root || !csum_root || !chunk_root || !dev_root) {
 		err = -ENOMEM;
 		goto fail;
 	}
-	fs_info = tree_root->fs_info;
 
 	ret = init_srcu_struct(&fs_info->subvol_srcu);
 	if (ret) {
@@ -1954,12 +1955,6 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 	mutex_init(&fs_info->reloc_mutex);
 
 	init_completion(&fs_info->kobj_unregister);
-	fs_info->tree_root = tree_root;
-	fs_info->extent_root = extent_root;
-	fs_info->csum_root = csum_root;
-	fs_info->chunk_root = chunk_root;
-	fs_info->dev_root = dev_root;
-	fs_info->fs_devices = fs_devices;
 	INIT_LIST_HEAD(&fs_info->dirty_cowonly_roots);
 	INIT_LIST_HEAD(&fs_info->space_info);
 	btrfs_mapping_init(&fs_info->mapping_tree);
-- 
GitLab


From 586e46e2813c589d26258a599580421fb6fb576b Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Wed, 9 Nov 2011 13:26:37 +0200
Subject: [PATCH 0312/1594] Btrfs: close devices on all error paths in
 open_ctree()

Fix a bug introduced by 7e662854 where we would leave devices busy on
certain error paths in open_ctree().  fs_info is guaranteed to be
non-NULL now so it's safe to dereference it on all error paths.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 fs/btrfs/disk-io.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 91db90b526c2..b6a5c0dd0dd8 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2460,21 +2460,20 @@ fail_sb_buffer:
 	btrfs_stop_workers(&fs_info->caching_workers);
 fail_alloc:
 fail_iput:
+	btrfs_mapping_tree_free(&fs_info->mapping_tree);
+
 	invalidate_inode_pages2(fs_info->btree_inode->i_mapping);
 	iput(fs_info->btree_inode);
-
-	btrfs_close_devices(fs_info->fs_devices);
-	btrfs_mapping_tree_free(&fs_info->mapping_tree);
 fail_bdi:
 	bdi_destroy(&fs_info->bdi);
 fail_srcu:
 	cleanup_srcu_struct(&fs_info->subvol_srcu);
 fail:
+	btrfs_close_devices(fs_info->fs_devices);
 	free_fs_info(fs_info);
 	return ERR_PTR(err);
 
 recovery_tree_root:
-
 	if (!btrfs_test_opt(tree_root, RECOVERY))
 		goto fail_tree_roots;
 
-- 
GitLab


From 04d21a244fdf79d0ac892eaaa9a46b682467277c Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Wed, 9 Nov 2011 14:41:22 +0200
Subject: [PATCH 0313/1594] Btrfs: rework error handling in btrfs_mount()

Commits 6c41761f and 45ea6095 introduced the possibility of NULL pointer
dereference on error paths, also we would leave all devices busy and
leak fs_info with all sub-structures on error when trying to mount an
already mounted fs to a different directory.

Fix this by doing all allocations before trying to open any of the
devices, adjust error path for mount-already-mounted-fs case.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 fs/btrfs/super.c | 42 +++++++++++++++++++++---------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 58e9492230ce..629281c65ff5 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -891,7 +891,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 	struct super_block *s;
 	struct dentry *root;
 	struct btrfs_fs_devices *fs_devices = NULL;
-	struct btrfs_root *tree_root = NULL;
 	struct btrfs_fs_info *fs_info = NULL;
 	fmode_t mode = FMODE_READ;
 	char *subvol_name = NULL;
@@ -920,15 +919,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 	if (error)
 		return ERR_PTR(error);
 
-	error = btrfs_open_devices(fs_devices, mode, fs_type);
-	if (error)
-		return ERR_PTR(error);
-
-	if (!(flags & MS_RDONLY) && fs_devices->rw_devices == 0) {
-		error = -EACCES;
-		goto error_close_devices;
-	}
-
 	/*
 	 * Setup a dummy root and fs_info for test/set super.  This is because
 	 * we don't actually fill this stuff out until open_ctree, but we need
@@ -936,28 +926,36 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 	 * then open_ctree will properly initialize everything later.
 	 */
 	fs_info = kzalloc(sizeof(struct btrfs_fs_info), GFP_NOFS);
-	if (!fs_info) {
-		error = -ENOMEM;
-		goto error_close_devices;
-	}
-	tree_root = kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
-	if (!tree_root) {
+	if (!fs_info)
+		return ERR_PTR(-ENOMEM);
+
+	fs_info->tree_root = kzalloc(sizeof(struct btrfs_root), GFP_NOFS);
+	if (!fs_info->tree_root) {
 		error = -ENOMEM;
-		goto error_close_devices;
+		goto error_fs_info;
 	}
-	fs_info->tree_root = tree_root;
+	fs_info->tree_root->fs_info = fs_info;
 	fs_info->fs_devices = fs_devices;
-	tree_root->fs_info = fs_info;
 
 	fs_info->super_copy = kzalloc(BTRFS_SUPER_INFO_SIZE, GFP_NOFS);
 	fs_info->super_for_commit = kzalloc(BTRFS_SUPER_INFO_SIZE, GFP_NOFS);
 	if (!fs_info->super_copy || !fs_info->super_for_commit) {
 		error = -ENOMEM;
+		goto error_fs_info;
+	}
+
+	error = btrfs_open_devices(fs_devices, mode, fs_type);
+	if (error)
+		goto error_fs_info;
+
+	if (!(flags & MS_RDONLY) && fs_devices->rw_devices == 0) {
+		error = -EACCES;
 		goto error_close_devices;
 	}
 
 	bdev = fs_devices->latest_bdev;
-	s = sget(fs_type, btrfs_test_super, btrfs_set_super, tree_root);
+	s = sget(fs_type, btrfs_test_super, btrfs_set_super,
+		 fs_info->tree_root);
 	if (IS_ERR(s)) {
 		error = PTR_ERR(s);
 		goto error_close_devices;
@@ -966,7 +964,8 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 	if (s->s_root) {
 		if ((flags ^ s->s_flags) & MS_RDONLY) {
 			deactivate_locked_super(s);
-			return ERR_PTR(-EBUSY);
+			error = -EBUSY;
+			goto error_close_devices;
 		}
 
 		btrfs_close_devices(fs_devices);
@@ -997,6 +996,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 
 error_close_devices:
 	btrfs_close_devices(fs_devices);
+error_fs_info:
 	free_fs_info(fs_info);
 	return ERR_PTR(error);
 }
-- 
GitLab


From fecc73519439361eab21fb3cebec504672ef0e03 Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Tue, 8 Nov 2011 10:31:10 +0000
Subject: [PATCH 0314/1594] net: drivers/net/hippi/Kconfig should be sourced

Commit ff5a3b509e ("hippi: Move the HIPPI driver") moved the HIPPI
driver into drivers/net/hippi. It didn't source
drivers/net/hippi/Kconfig though, so it didn't make all necessary
Kconfig changes. So let drivers/net/kconfig source HIPPI's Kconfig file.

[ Fix syntax error at the end of HIPP's Kconfig file. -DaveM ]

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/Kconfig       | 2 ++
 drivers/net/hippi/Kconfig | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 583f66cd5bbd..654a5e94e0e7 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -245,6 +245,8 @@ source "drivers/net/ethernet/Kconfig"
 
 source "drivers/net/fddi/Kconfig"
 
+source "drivers/net/hippi/Kconfig"
+
 config NET_SB1000
 	tristate "General Instruments Surfboard 1000"
 	depends on PNP
diff --git a/drivers/net/hippi/Kconfig b/drivers/net/hippi/Kconfig
index 7393eb732ee6..95eb34fdbba7 100644
--- a/drivers/net/hippi/Kconfig
+++ b/drivers/net/hippi/Kconfig
@@ -36,4 +36,4 @@ config ROADRUNNER_LARGE_RINGS
 	  kernel code or by user space programs. Say Y here only if you have
 	  the memory.
 
-endif /* HIPPI */
+endif # HIPPI
-- 
GitLab


From 069294e813ed5f27f82613b027609bcda5f1b914 Mon Sep 17 00:00:00 2001
From: Nick Bowler <nbowler@elliptictech.com>
Date: Tue, 8 Nov 2011 12:12:44 +0000
Subject: [PATCH 0315/1594] ah: Correctly pass error codes in ahash output
 callback.

The AH4/6 ahash output callbacks pass nexthdr to xfrm_output_resume
instead of the error code.  This appears to be a copy+paste error from
the input case, where nexthdr is expected.  This causes the driver to
continuously add AH headers to the datagram until either an allocation
fails and the packet is dropped or the ahash driver hits a synchronous
fallback and the resulting monstrosity is transmitted.

Correct this issue by simply passing the error code unadulterated.

Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ah4.c | 2 --
 net/ipv6/ah6.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index c1f4154552fc..33ca18603e3b 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -136,8 +136,6 @@ static void ah_output_done(struct crypto_async_request *base, int err)
 		memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr));
 	}
 
-	err = ah->nexthdr;
-
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_output_resume(skb, err);
 }
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 2195ae651923..ede4d9d6cc2b 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -324,8 +324,6 @@ static void ah6_output_done(struct crypto_async_request *base, int err)
 #endif
 	}
 
-	err = ah->nexthdr;
-
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_output_resume(skb, err);
 }
-- 
GitLab


From b7ea81a58adc123a4e980cb0eff9eb5c144b5dc7 Mon Sep 17 00:00:00 2001
From: Nick Bowler <nbowler@elliptictech.com>
Date: Tue, 8 Nov 2011 12:12:45 +0000
Subject: [PATCH 0316/1594] ah: Read nexthdr value before overwriting it in
 ahash input callback.

The AH4/6 ahash input callbacks read out the nexthdr field from the AH
header *after* they overwrite that header.  This is obviously not going
to end well.  Fix it up.

Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ah4.c | 4 ++--
 net/ipv6/ah6.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 33ca18603e3b..c7056b2e831f 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -262,12 +262,12 @@ static void ah_input_done(struct crypto_async_request *base, int err)
 	if (err)
 		goto out;
 
+	err = ah->nexthdr;
+
 	skb->network_header += ah_hlen;
 	memcpy(skb_network_header(skb), work_iph, ihl);
 	__skb_pull(skb, ah_hlen + ihl);
 	skb_set_transport_header(skb, -ihl);
-
-	err = ah->nexthdr;
 out:
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_input_resume(skb, err);
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index ede4d9d6cc2b..7a33aaa00227 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -464,12 +464,12 @@ static void ah6_input_done(struct crypto_async_request *base, int err)
 	if (err)
 		goto out;
 
+	err = ah->nexthdr;
+
 	skb->network_header += ah_hlen;
 	memcpy(skb_network_header(skb), work_iph, hdr_len);
 	__skb_pull(skb, ah_hlen + hdr_len);
 	skb_set_transport_header(skb, -hdr_len);
-
-	err = ah->nexthdr;
 out:
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_input_resume(skb, err);
-- 
GitLab


From b12f62efb8ec0b9523bdb6c2d412c07193086de9 Mon Sep 17 00:00:00 2001
From: Li Wei <lw@cn.fujitsu.com>
Date: Tue, 8 Nov 2011 21:39:28 +0000
Subject: [PATCH 0317/1594] ipv4: fix for ip_options_rcv_srr() daddr update.

When opt->srr_is_hit is set skb_rtable(skb) has been updated for
'nexthop' and iph->daddr should always equals to skb_rtable->rt_dst
holds, We need update iph->daddr either.

Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ip_options.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index ec93335901dd..05d20cca9d66 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -640,6 +640,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
 	}
 	if (srrptr <= srrspace) {
 		opt->srr_is_hit = 1;
+		iph->daddr = nexthop;
 		opt->is_changed = 1;
 	}
 	return 0;
-- 
GitLab


From 8658ca730fa66fd6b8c559315915c774330f35bb Mon Sep 17 00:00:00 2001
From: "Maxin B. John" <maxin.john@gmail.com>
Date: Wed, 9 Nov 2011 11:12:58 +0100
Subject: [PATCH 0318/1594] ARM: 7153/1: mach-bcmring: fix build error in
 core.c

Fixes this build error:

CC      arch/arm/mach-bcmring/core.o
arch/arm/mach-bcmring/core.c: In function 'bcmring_init_timer':
arch/arm/mach-bcmring/core.c:238: error: implicit declaration of function 'sp804_clockevents_register'
make[1]: *** [arch/arm/mach-bcmring/core.o] Error 1
make: *** [arch/arm/mach-bcmring] Error 2

Signed-off-by: Maxin B. John <maxin.john@gmail.com>
Reviewed-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-bcmring/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c
index 43eadbcc29ed..430da120a297 100644
--- a/arch/arm/mach-bcmring/core.c
+++ b/arch/arm/mach-bcmring/core.c
@@ -235,7 +235,7 @@ void __init bcmring_init_timer(void)
 	 */
 	bcmring_clocksource_init();
 
-	sp804_clockevents_register(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
+	sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
 }
 
 struct sys_timer bcmring_timer = {
-- 
GitLab


From 5fc86281b9eba5eb9cfab999bcb00deb335da762 Mon Sep 17 00:00:00 2001
From: "Maxin B. John" <maxin.john@gmail.com>
Date: Wed, 9 Nov 2011 11:27:36 +0100
Subject: [PATCH 0319/1594] ARM: 7154/1: mach-bcmring: fix build error in dma.c

Fixes this build error:

 CC      arch/arm/mach-bcmring/dma.o
arch/arm/mach-bcmring/dma.c: In function 'dma_request_channel_dbg':
arch/arm/mach-bcmring/dma.c:1022: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function)
arch/arm/mach-bcmring/dma.c:1022: error: (Each undeclared identifier is reported only once
arch/arm/mach-bcmring/dma.c:1022: error: for each function it appears in.)
arch/arm/mach-bcmring/dma.c:1024: error: implicit declaration of function 'schedule'
arch/arm/mach-bcmring/dma.c:1027: error: implicit declaration of function 'signal_pending'
arch/arm/mach-bcmring/dma.c: In function 'dma_free_channel':
arch/arm/mach-bcmring/dma.c:1092: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function)
arch/arm/mach-bcmring/dma.c: In function 'dma_map_add_region':
arch/arm/mach-bcmring/dma.c:1946: error: dereferencing pointer to incomplete type
arch/arm/mach-bcmring/dma.c:1948: error: dereferencing pointer to incomplete type
arch/arm/mach-bcmring/dma.c:1955: error: dereferencing pointer to incomplete type
make[1]: *** [arch/arm/mach-bcmring/dma.o] Error 1
make: *** [arch/arm/mach-bcmring] Error 2

Signed-off-by: Maxin B. John <maxin.john@gmail.com>
Reviewed-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-bcmring/dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c
index b52b8de91bde..f4d4d6d174d0 100644
--- a/arch/arm/mach-bcmring/dma.c
+++ b/arch/arm/mach-bcmring/dma.c
@@ -36,6 +36,7 @@
 #include <linux/mm.h>
 #include <linux/pfn.h>
 #include <linux/atomic.h>
+#include <linux/sched.h>
 #include <mach/dma.h>
 
 /* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */
-- 
GitLab


From 1a1f2be2a4d7f6f538169dca534c94b221b21923 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@gmail.com>
Date: Wed, 9 Nov 2011 19:13:43 +0100
Subject: [PATCH 0320/1594] ARM: 7155/1: arch.h: Declare 'pt_regs' locally

Fix the following warning when building imx_v4_v5_defconfig target:

  CC      arch/arm/mach-imx/mach-imx27ipcam.o
In file included from arch/arm/mach-imx/mach-imx27ipcam.c:18:
/home/fabio/linus/linux-2.6/arch/arm/include/asm/mach/arch.h:47: warning: 'struct pt_regs' declared inside parameter list
/home/fabio/linus/linux-2.6/arch/arm/include/asm/mach/arch.h:47: warning: its scope is only this definition or declaration, which is probably not what you want
arch/arm/mach-imx/mach-imx27ipcam.c:78: warning: initialization from incompatible pointer type

Declare 'struct pt_regs' locally.

Cc: Eric Miao <eric.miao@canonical.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/include/asm/mach/arch.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 7d19425dd496..2b0efc3104ac 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -13,6 +13,7 @@
 struct tag;
 struct meminfo;
 struct sys_timer;
+struct pt_regs;
 
 struct machine_desc {
 	unsigned int		nr;		/* architecture number	*/
-- 
GitLab


From bde4889aaa2d59c1febfeadd7f690be0ed143ed5 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 4 Jul 2011 12:52:27 +1000
Subject: [PATCH 0321/1594] drm: make sure drm_vblank_init() has been called
 before touching vbl_lock

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/drm_irq.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index cb3794a00f98..4d3760c63964 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -407,13 +407,16 @@ int drm_irq_uninstall(struct drm_device *dev)
 	/*
 	 * Wake up any waiters so they don't hang.
 	 */
-	spin_lock_irqsave(&dev->vbl_lock, irqflags);
-	for (i = 0; i < dev->num_crtcs; i++) {
-		DRM_WAKEUP(&dev->vbl_queue[i]);
-		dev->vblank_enabled[i] = 0;
-		dev->last_vblank[i] = dev->driver->get_vblank_counter(dev, i);
+	if (dev->num_crtcs) {
+		spin_lock_irqsave(&dev->vbl_lock, irqflags);
+		for (i = 0; i < dev->num_crtcs; i++) {
+			DRM_WAKEUP(&dev->vbl_queue[i]);
+			dev->vblank_enabled[i] = 0;
+			dev->last_vblank[i] =
+				dev->driver->get_vblank_counter(dev, i);
+		}
+		spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
 	}
-	spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
 
 	if (!irq_enabled)
 		return -EINVAL;
-- 
GitLab


From 46b348865011bf0d706fe1ec8c9cef08cf86ad40 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 22 Sep 2011 12:51:31 +1000
Subject: [PATCH 0322/1594] drm/nouveau: fix oops if i2c bus not found in
 nouveau_i2c_identify()

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c
index c6143df48b9f..d39b2202b197 100644
--- a/drivers/gpu/drm/nouveau/nouveau_i2c.c
+++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c
@@ -333,7 +333,7 @@ nouveau_i2c_identify(struct drm_device *dev, const char *what,
 
 	NV_DEBUG(dev, "Probing %ss on I2C bus: %d\n", what, index);
 
-	for (i = 0; info[i].addr; i++) {
+	for (i = 0; i2c && info[i].addr; i++) {
 		if (nouveau_probe_i2c_addr(i2c, info[i].addr) &&
 		    (!match || match(i2c, &info[i]))) {
 			NV_INFO(dev, "Detected %s: %s\n", what, info[i].type);
-- 
GitLab


From ee9f7ef99f4422463634c075b22197c22c5cfa71 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 23 Sep 2011 15:37:38 +1000
Subject: [PATCH 0323/1594] drm/nv50/bios: fixup mpll programming from the init
 table parser

Reportedly this has been causing stability and corruption issues after
resuming from suspend for a few people.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 032a82098136..5fc201b49d30 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -640,10 +640,9 @@ static int
 nv50_pll_set(struct drm_device *dev, uint32_t reg, uint32_t clk)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	uint32_t reg0 = nv_rd32(dev, reg + 0);
-	uint32_t reg1 = nv_rd32(dev, reg + 4);
 	struct nouveau_pll_vals pll;
 	struct pll_lims pll_limits;
+	u32 ctrl, mask, coef;
 	int ret;
 
 	ret = get_pll_limits(dev, reg, &pll_limits);
@@ -654,15 +653,20 @@ nv50_pll_set(struct drm_device *dev, uint32_t reg, uint32_t clk)
 	if (!clk)
 		return -ERANGE;
 
-	reg0 = (reg0 & 0xfff8ffff) | (pll.log2P << 16);
-	reg1 = (reg1 & 0xffff0000) | (pll.N1 << 8) | pll.M1;
-
-	if (dev_priv->vbios.execute) {
-		still_alive();
-		nv_wr32(dev, reg + 4, reg1);
-		nv_wr32(dev, reg + 0, reg0);
+	coef = pll.N1 << 8 | pll.M1;
+	ctrl = pll.log2P << 16;
+	mask = 0x00070000;
+	if (reg == 0x004008) {
+		mask |= 0x01f80000;
+		ctrl |= (pll_limits.log2p_bias << 19);
+		ctrl |= (pll.log2P << 22);
 	}
 
+	if (!dev_priv->vbios.execute)
+		return 0;
+
+	nv_mask(dev, reg + 0, mask, ctrl);
+	nv_wr32(dev, reg + 4, coef);
 	return 0;
 }
 
-- 
GitLab


From dce411cdf60eb64638443f953b52c18192378305 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 29 Sep 2011 13:15:17 +1000
Subject: [PATCH 0324/1594] drm/nv50/gr: typo fix, how about we not reset fifo
 during graph init?

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv50_graph.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
index 8c979b31ff61..ac601f7c4e1a 100644
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ b/drivers/gpu/drm/nouveau/nv50_graph.c
@@ -131,8 +131,8 @@ nv50_graph_init(struct drm_device *dev, int engine)
 	NV_DEBUG(dev, "\n");
 
 	/* master reset */
-	nv_mask(dev, 0x000200, 0x00200100, 0x00000000);
-	nv_mask(dev, 0x000200, 0x00200100, 0x00200100);
+	nv_mask(dev, 0x000200, 0x00201000, 0x00000000);
+	nv_mask(dev, 0x000200, 0x00201000, 0x00201000);
 	nv_wr32(dev, 0x40008c, 0x00000004); /* HW_CTX_SWITCH_ENABLED */
 
 	/* reset/enable traps and interrupts */
-- 
GitLab


From 7b4b98fa0c4d3a975b36bfe9984e4cd117f2ddff Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 7 Oct 2011 16:00:31 +1000
Subject: [PATCH 0325/1594] drm/nv50/vram: fix incorrect detection of bank
 count on newer chipsets

NVA3+ has an extra bit here compared to NV50:NVA3 chipsets.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv50_vram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_vram.c b/drivers/gpu/drm/nouveau/nv50_vram.c
index 9da23838e63e..2e45e57fd869 100644
--- a/drivers/gpu/drm/nouveau/nv50_vram.c
+++ b/drivers/gpu/drm/nouveau/nv50_vram.c
@@ -160,7 +160,7 @@ nv50_vram_rblock(struct drm_device *dev)
 	colbits  =  (r4 & 0x0000f000) >> 12;
 	rowbitsa = ((r4 & 0x000f0000) >> 16) + 8;
 	rowbitsb = ((r4 & 0x00f00000) >> 20) + 8;
-	banks    = ((r4 & 0x01000000) ? 8 : 4);
+	banks    = 1 << (((r4 & 0x03000000) >> 24) + 2);
 
 	rowsize = parts * banks * (1 << colbits) * 8;
 	predicted = rowsize << rowbitsa;
-- 
GitLab


From 5e60ee780e792efe6dce97eceb110b1d30bab850 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Fri, 9 Sep 2011 14:16:42 +0200
Subject: [PATCH 0326/1594] drm/nouveau: initialize chan->fence.lock before use

Fence lock needs to be initialized before any call to nouveau_channel_put
because it calls nouveau_channel_idle->nouveau_fence_update which uses
fence lock.

BUG: spinlock bad magic on CPU#0, test/24134
 lock: ffff88019f90dba8, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
Pid: 24134, comm: test Not tainted 3.0.0-nv+ #800
Call Trace:
 spin_bug+0x9c/0xa3
 do_raw_spin_lock+0x29/0x13c
 _raw_spin_lock+0x1e/0x22
 nouveau_fence_update+0x2d/0xf1
 nouveau_channel_idle+0x22/0xa0
 nouveau_channel_put_unlocked+0x84/0x1bd
 nouveau_channel_put+0x20/0x24
 nouveau_channel_alloc+0x4ec/0x585
 nouveau_ioctl_fifo_alloc+0x50/0x130
 drm_ioctl+0x289/0x361
 do_vfs_ioctl+0x4dd/0x52c
 sys_ioctl+0x42/0x65
 system_call_fastpath+0x16/0x1b

It's easily triggerable from userspace.

Additionally remove double initialization of chan->fence.pending.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_channel.c | 1 +
 drivers/gpu/drm/nouveau/nouveau_fence.c   | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index a319d5646ea9..bb6ec9ef8676 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -158,6 +158,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
 	INIT_LIST_HEAD(&chan->nvsw.vbl_wait);
 	INIT_LIST_HEAD(&chan->nvsw.flip);
 	INIT_LIST_HEAD(&chan->fence.pending);
+	spin_lock_init(&chan->fence.lock);
 
 	/* setup channel's memory and vm */
 	ret = nouveau_gpuobj_channel_init(chan, vram_handle, gart_handle);
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 81116cfea275..2f6daae68b9d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -539,8 +539,6 @@ nouveau_fence_channel_init(struct nouveau_channel *chan)
 			return ret;
 	}
 
-	INIT_LIST_HEAD(&chan->fence.pending);
-	spin_lock_init(&chan->fence.lock);
 	atomic_set(&chan->fence.last_sequence_irq, 0);
 	return 0;
 }
-- 
GitLab


From 71856abefb49bae5d67275752ada02853c16660d Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: Sun, 9 Oct 2011 22:58:31 +0200
Subject: [PATCH 0327/1594] drm/nv50: fix stability issue on NV86.

Confirmed to fix random hangs while running all Unegine demos on NV86.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv50_grctx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_grctx.c b/drivers/gpu/drm/nouveau/nv50_grctx.c
index d05c2c3b2444..4b46d6968566 100644
--- a/drivers/gpu/drm/nouveau/nv50_grctx.c
+++ b/drivers/gpu/drm/nouveau/nv50_grctx.c
@@ -601,7 +601,7 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx)
 					gr_def(ctx, offset + 0x1c, 0x00880000);
 					break;
 				case 0x86:
-					gr_def(ctx, offset + 0x1c, 0x008c0000);
+					gr_def(ctx, offset + 0x1c, 0x018c0000);
 					break;
 				case 0x92:
 				case 0x96:
-- 
GitLab


From 12b6d9d881ccb64a833d53565a3579e12ab1d026 Mon Sep 17 00:00:00 2001
From: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Date: Fri, 7 Oct 2011 18:10:45 +0200
Subject: [PATCH 0328/1594] drm/nvc0/vram: storage type 0xc3 is not compressed

Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nvc0_vram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvc0_vram.c b/drivers/gpu/drm/nouveau/nvc0_vram.c
index edbfe9360ae2..041ff2b2b601 100644
--- a/drivers/gpu/drm/nouveau/nvc0_vram.c
+++ b/drivers/gpu/drm/nouveau/nvc0_vram.c
@@ -43,7 +43,7 @@ static const u8 types[256] = {
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
-	3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3,
+	3, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3,
 	3, 3, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 3, 0, 3,
 	3, 0, 3, 3, 3, 3, 3, 0, 0, 3, 0, 3, 0, 3, 3, 0,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 1, 1, 0
-- 
GitLab


From ef5ced4bfe48ba2acb16e867ceb9c473dd0ef192 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 18 Oct 2011 09:07:51 +0300
Subject: [PATCH 0329/1594] drm/nouveau: testing the wrong variable

memtimings is a valid pointer here, the intent was to test for
kcalloc() failure.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_perf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c
index 9f178aa94162..33d03fbf00df 100644
--- a/drivers/gpu/drm/nouveau/nouveau_perf.c
+++ b/drivers/gpu/drm/nouveau/nouveau_perf.c
@@ -239,7 +239,7 @@ nouveau_perf_init(struct drm_device *dev)
 	if(version == 0x15) {
 		memtimings->timing =
 				kcalloc(entries, sizeof(*memtimings->timing), GFP_KERNEL);
-		if(!memtimings) {
+		if (!memtimings->timing) {
 			NV_WARN(dev,"Could not allocate memtiming table\n");
 			return;
 		}
-- 
GitLab


From 2bfa7482224903097a50c14a4389a29f56e19c3b Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 19 Oct 2011 14:06:59 +1000
Subject: [PATCH 0330/1594] drm/nv40/pm: fix issues on igp chipsets, which
 don't have memory

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv40_pm.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv40_pm.c b/drivers/gpu/drm/nouveau/nv40_pm.c
index bbc0b9c7e1f7..e676b0d53478 100644
--- a/drivers/gpu/drm/nouveau/nv40_pm.c
+++ b/drivers/gpu/drm/nouveau/nv40_pm.c
@@ -57,12 +57,14 @@ read_pll_2(struct drm_device *dev, u32 reg)
 	int P = (ctrl & 0x00070000) >> 16;
 	u32 ref = 27000, clk = 0;
 
-	if (ctrl & 0x80000000)
+	if ((ctrl & 0x80000000) && M1) {
 		clk = ref * N1 / M1;
-
-	if (!(ctrl & 0x00000100)) {
-		if (ctrl & 0x40000000)
-			clk = clk * N2 / M2;
+		if ((ctrl & 0x40000100) == 0x40000000) {
+			if (M2)
+				clk = clk * N2 / M2;
+			else
+				clk = 0;
+		}
 	}
 
 	return clk >> P;
@@ -177,6 +179,11 @@ nv40_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl)
 	}
 
 	/* memory clock */
+	if (!perflvl->memory) {
+		info->mpll_ctrl = 0x00000000;
+		goto out;
+	}
+
 	ret = nv40_calc_pll(dev, 0x004020, &pll, perflvl->memory,
 			    &N1, &M1, &N2, &M2, &log2P);
 	if (ret < 0)
@@ -264,6 +271,9 @@ nv40_pm_clocks_set(struct drm_device *dev, void *pre_state)
 	mdelay(5);
 	nv_mask(dev, 0x00c040, 0x00000333, info->ctrl);
 
+	if (!info->mpll_ctrl)
+		goto resume;
+
 	/* wait for vblank start on active crtcs, disable memory access */
 	for (i = 0; i < 2; i++) {
 		if (!(crtc_mask & (1 << i)))
-- 
GitLab


From d4547ed8cc219f2e06078ac05147a873b2a03d5a Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 27 Oct 2011 11:26:17 +1000
Subject: [PATCH 0331/1594] drm/nvc0/vram: skip disabled PBFB subunits

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nvc0_vram.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvc0_vram.c b/drivers/gpu/drm/nouveau/nvc0_vram.c
index 041ff2b2b601..ce984d573a51 100644
--- a/drivers/gpu/drm/nouveau/nvc0_vram.c
+++ b/drivers/gpu/drm/nouveau/nvc0_vram.c
@@ -110,22 +110,26 @@ nvc0_vram_init(struct drm_device *dev)
 	u32 bsize = nv_rd32(dev, 0x10f20c);
 	u32 offset, length;
 	bool uniform = true;
-	int ret, i;
+	int ret, part;
 
 	NV_DEBUG(dev, "0x100800: 0x%08x\n", nv_rd32(dev, 0x100800));
 	NV_DEBUG(dev, "parts 0x%08x bcast_mem_amount 0x%08x\n", parts, bsize);
 
 	/* read amount of vram attached to each memory controller */
-	for (i = 0; i < parts; i++) {
-		u32 psize = nv_rd32(dev, 0x11020c + (i * 0x1000));
+	part = 0;
+	while (parts) {
+		u32 psize = nv_rd32(dev, 0x11020c + (part++ * 0x1000));
+		if (psize == 0)
+			continue;
+		parts--;
+
 		if (psize != bsize) {
 			if (psize < bsize)
 				bsize = psize;
 			uniform = false;
 		}
 
-		NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", i, psize);
-
+		NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", part, psize);
 		dev_priv->vram_size += (u64)psize << 20;
 	}
 
-- 
GitLab


From 80859760daa01fb38497aa6326a32a16489d8c97 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 27 Oct 2011 11:31:49 +1000
Subject: [PATCH 0332/1594] drm/nvc0: enable acceleration on 0xc8 by default

Worked well enough for glxgears and gnome-shell at least, no reason to
have this off anymore.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_state.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 82478e0998e5..2afd5b13dc46 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -1103,7 +1103,6 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
 	if (nouveau_noaccel == -1) {
 		switch (dev_priv->chipset) {
 		case 0xc1: /* known broken */
-		case 0xc8: /* never tested */
 			NV_INFO(dev, "acceleration disabled by default, pass "
 				     "noaccel=0 to force enable\n");
 			dev_priv->noaccel = true;
-- 
GitLab


From af6d9fe5368aadd8f0f3647b38405ffcd3ed5f81 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 11 Jul 2011 15:40:43 +1000
Subject: [PATCH 0333/1594] drm/nvc0/gr: fix some bugs in grctx generation

Most serious is for chips with only 1 TPC, we'd get stuck in an infinite
loop.  The fix here will slightly change the setup for all other chipsets
too, but, it shouldn't matter too much, and this all needs figuring out
and likely redone anyway.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nvc0_grctx.c | 31 +++++++++++++---------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvc0_grctx.c b/drivers/gpu/drm/nouveau/nvc0_grctx.c
index dd0e6a736b3b..96b0b93d94ca 100644
--- a/drivers/gpu/drm/nouveau/nvc0_grctx.c
+++ b/drivers/gpu/drm/nouveau/nvc0_grctx.c
@@ -1812,6 +1812,7 @@ nvc0_grctx_generate(struct nouveau_channel *chan)
 		/* calculate first set of magics */
 		memcpy(tpnr, priv->tp_nr, sizeof(priv->tp_nr));
 
+		gpc = -1;
 		for (tp = 0; tp < priv->tp_total; tp++) {
 			do {
 				gpc = (gpc + 1) % priv->gpc_nr;
@@ -1861,30 +1862,26 @@ nvc0_grctx_generate(struct nouveau_channel *chan)
 
 	if (1) {
 		u32 tp_mask = 0, tp_set = 0;
-		u8  tpnr[GPC_MAX];
+		u8  tpnr[GPC_MAX], a, b;
 
 		memcpy(tpnr, priv->tp_nr, sizeof(priv->tp_nr));
 		for (gpc = 0; gpc < priv->gpc_nr; gpc++)
 			tp_mask |= ((1 << priv->tp_nr[gpc]) - 1) << (gpc * 8);
 
-		gpc = -1;
-		for (i = 0, gpc = -1; i < 32; i++) {
-			int ltp = i * (priv->tp_total - 1) / 32;
-
-			do {
-				gpc = (gpc + 1) % priv->gpc_nr;
-			} while (!tpnr[gpc]);
-			tp = priv->tp_nr[gpc] - tpnr[gpc]--;
+		for (i = 0, gpc = -1, b = -1; i < 32; i++) {
+			a = (i * (priv->tp_total - 1)) / 32;
+			if (a != b) {
+				b = a;
+				do {
+					gpc = (gpc + 1) % priv->gpc_nr;
+				} while (!tpnr[gpc]);
+				tp = priv->tp_nr[gpc] - tpnr[gpc]--;
 
-			tp_set |= 1 << ((gpc * 8) + tp);
+				tp_set |= 1 << ((gpc * 8) + tp);
+			}
 
-			do {
-				nv_wr32(dev, 0x406800 + (i * 0x20), tp_set);
-				tp_set ^= tp_mask;
-				nv_wr32(dev, 0x406c00 + (i * 0x20), tp_set);
-				tp_set ^= tp_mask;
-			} while (ltp == (++i * (priv->tp_total - 1) / 32));
-			i--;
+			nv_wr32(dev, 0x406800 + (i * 0x20), tp_set);
+			nv_wr32(dev, 0x406c00 + (i * 0x20), tp_set ^ tp_mask);
 		}
 	}
 
-- 
GitLab


From 4c5df493eb30089ff0b8d03a50a86293f758a786 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 28 Oct 2011 10:59:45 +1000
Subject: [PATCH 0334/1594] drm/nvc1: hacky workaround to fix accel issues

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_state.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 2afd5b13dc46..9a5ab6121b8e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -579,6 +579,14 @@ nouveau_card_init(struct drm_device *dev)
 	if (ret)
 		goto out_display_early;
 
+	/* workaround an odd issue on nvc1 by disabling the device's
+	 * nosnoop capability.  hopefully won't cause issues until a
+	 * better fix is found - assuming there is one...
+	 */
+	if (dev_priv->chipset == 0xc1) {
+		nv_mask(dev, 0x00088080, 0x00000800, 0x00000000);
+	}
+
 	nouveau_pm_init(dev);
 
 	ret = engine->vram.init(dev);
-- 
GitLab


From 6688a4dd20bf774d654203a0629d454447b80502 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 28 Oct 2011 11:43:04 +1000
Subject: [PATCH 0335/1594] drm/nvc0/gr: fixup the mmio list register writes
 for 0xc1

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nvc0_graph.c | 41 ++++++++++++++++++++++------
 1 file changed, 32 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index bbdbc51830c8..a74e501afd25 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -157,8 +157,8 @@ nvc0_graph_create_context_mmio_list(struct nouveau_channel *chan)
 	struct nvc0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
 	struct nvc0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
 	struct drm_device *dev = chan->dev;
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	int i = 0, gpc, tp, ret;
-	u32 magic;
 
 	ret = nouveau_gpuobj_new(dev, chan, 0x2000, 256, NVOBJ_FLAG_VM,
 				 &grch->unk408004);
@@ -207,14 +207,37 @@ nvc0_graph_create_context_mmio_list(struct nouveau_channel *chan)
 	nv_wo32(grch->mmio, i++ * 4, 0x0041880c);
 	nv_wo32(grch->mmio, i++ * 4, 0x80000018);
 
-	magic = 0x02180000;
-	nv_wo32(grch->mmio, i++ * 4, 0x00405830);
-	nv_wo32(grch->mmio, i++ * 4, magic);
-	for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
-		for (tp = 0; tp < priv->tp_nr[gpc]; tp++, magic += 0x0324) {
-			u32 reg = 0x504520 + (gpc * 0x8000) + (tp * 0x0800);
-			nv_wo32(grch->mmio, i++ * 4, reg);
-			nv_wo32(grch->mmio, i++ * 4, magic);
+	if (dev_priv->chipset != 0xc1) {
+		u32 magic = 0x02180000;
+		nv_wo32(grch->mmio, i++ * 4, 0x00405830);
+		nv_wo32(grch->mmio, i++ * 4, magic);
+		for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
+			for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
+				u32 reg = TP_UNIT(gpc, tp, 0x520);
+				nv_wo32(grch->mmio, i++ * 4, reg);
+				nv_wo32(grch->mmio, i++ * 4, magic);
+				magic += 0x0324;
+			}
+		}
+	} else {
+		u32 magic = 0x02180000;
+		nv_wo32(grch->mmio, i++ * 4, 0x00405830);
+		nv_wo32(grch->mmio, i++ * 4, magic | 0x0000218);
+		nv_wo32(grch->mmio, i++ * 4, 0x004064c4);
+		nv_wo32(grch->mmio, i++ * 4, 0x0086ffff);
+		for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
+			for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
+				u32 reg = TP_UNIT(gpc, tp, 0x520);
+				nv_wo32(grch->mmio, i++ * 4, reg);
+				nv_wo32(grch->mmio, i++ * 4, (1 << 28) | magic);
+				magic += 0x0324;
+			}
+			for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
+				u32 reg = TP_UNIT(gpc, tp, 0x544);
+				nv_wo32(grch->mmio, i++ * 4, reg);
+				nv_wo32(grch->mmio, i++ * 4, magic);
+				magic += 0x0324;
+			}
 		}
 	}
 
-- 
GitLab


From 1c77e0f7fa4b398652f8e03f125aed258fa7018e Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 28 Oct 2011 11:00:39 +1000
Subject: [PATCH 0336/1594] drm/nvc0: enable acceleration for nvc1 by default

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_state.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 9a5ab6121b8e..d8831ab42bb9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -1110,11 +1110,13 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
 	dev_priv->noaccel = !!nouveau_noaccel;
 	if (nouveau_noaccel == -1) {
 		switch (dev_priv->chipset) {
-		case 0xc1: /* known broken */
+#if 0
+		case 0xXX: /* known broken */
 			NV_INFO(dev, "acceleration disabled by default, pass "
 				     "noaccel=0 to force enable\n");
 			dev_priv->noaccel = true;
 			break;
+#endif
 		default:
 			dev_priv->noaccel = false;
 			break;
-- 
GitLab


From 4beb116a454867cc3a98d02d906e0f0459aefe72 Mon Sep 17 00:00:00 2001
From: Francisco Jerez <currojerez@riseup.net>
Date: Sun, 6 Nov 2011 21:21:28 +0100
Subject: [PATCH 0337/1594] drm/nv10: Change the BO size threshold determining
 the memory placement range.

Fixes the framebuffer memory allocation failure seen on some
low-memory cards, followed by X refusing to start.

https://bugs.freedesktop.org/show_bug.cgi?id=42384

Reported-by: Chris Paulson-Ellis <chris@edesix.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 7226f419e178..7cc37e690860 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -148,7 +148,7 @@ set_placement_range(struct nouveau_bo *nvbo, uint32_t type)
 
 	if (dev_priv->card_type == NV_10 &&
 	    nvbo->tile_mode && (type & TTM_PL_FLAG_VRAM) &&
-	    nvbo->bo.mem.num_pages < vram_pages / 2) {
+	    nvbo->bo.mem.num_pages < vram_pages / 4) {
 		/*
 		 * Make sure that the color and depth buffers are handled
 		 * by independent memory controller units. Up to a 9x
-- 
GitLab


From 1e482f75f169861e992eb6b5602dc73a9e0b63a2 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 6 Nov 2011 20:32:04 +0100
Subject: [PATCH 0338/1594] drm/nouveau: by default use low bpp framebuffer on
 low memory cards

Framebuffer's BPP is not that important but can waste significant part
of memory on low-VRAM cards. Lower it to 8bpp on < 32MB cards and to
16bpp on 64MB cards. It can still be overridden by video= option.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_fbcon.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 14a8627efe4d..3a4cc32b9e44 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -487,6 +487,7 @@ int nouveau_fbcon_init(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_fbdev *nfbdev;
+	int preferred_bpp;
 	int ret;
 
 	nfbdev = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL);
@@ -505,7 +506,15 @@ int nouveau_fbcon_init(struct drm_device *dev)
 	}
 
 	drm_fb_helper_single_add_all_connectors(&nfbdev->helper);
-	drm_fb_helper_initial_config(&nfbdev->helper, 32);
+
+	if (dev_priv->vram_size <= 32 * 1024 * 1024)
+		preferred_bpp = 8;
+	else if (dev_priv->vram_size <= 64 * 1024 * 1024)
+		preferred_bpp = 16;
+	else
+		preferred_bpp = 32;
+
+	drm_fb_helper_initial_config(&nfbdev->helper, preferred_bpp);
 	return 0;
 }
 
-- 
GitLab


From 5c79507b2c50ddab8f51bc692e3c0a39e3da2ad6 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Tue, 25 Oct 2011 13:09:43 -0400
Subject: [PATCH 0339/1594] drm/nouveau: Fix bandwidth calculation for
 DisplayPort

Ported from the equivalent fix in drm-intel-next:

http://cgit.freedesktop.org/~keithp/linux/commit/?h=drm-intel-next&id=cd9dde44f47501394b9f0715b6a36a92aa74c0d0

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_connector.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index e0d275e1c96c..cea6696b1906 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -710,7 +710,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
 	case OUTPUT_DP:
 		max_clock  = nv_encoder->dp.link_nr;
 		max_clock *= nv_encoder->dp.link_bw;
-		clock = clock * nouveau_connector_bpp(connector) / 8;
+		clock = clock * nouveau_connector_bpp(connector) / 10;
 		break;
 	default:
 		BUG_ON(1);
-- 
GitLab


From 5e442a493fc59fa536c76db1fff5b49ca36a88c5 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 9 Nov 2011 18:16:00 -0500
Subject: [PATCH 0340/1594] Revert "proc: fix races against execve() of
 /proc/PID/fd**"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This reverts commit aa6afca5bcaba8101f3ea09d5c3e4100b2b9f0e5.

It escalates of some of the google-chrome SELinux problems with ptrace
("Check failed: pid_ > 0.  Did not find zygote process"), and Andrew
says that it is also causing mystery lockdep reports.

Reported-by: Alex Villacís Lasso <a_villacis@palosanto.com>
Requested-by: James Morris <jmorris@namei.org>
Requested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/base.c | 146 +++++++++++++++----------------------------------
 1 file changed, 43 insertions(+), 103 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 2db1bd3173b2..851ba3dcdc29 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1652,46 +1652,12 @@ out:
 	return error;
 }
 
-static int proc_pid_fd_link_getattr(struct vfsmount *mnt, struct dentry *dentry,
-		struct kstat *stat)
-{
-	struct inode *inode = dentry->d_inode;
-	struct task_struct *task = get_proc_task(inode);
-	int rc;
-
-	if (task == NULL)
-		return -ESRCH;
-
-	rc = -EACCES;
-	if (lock_trace(task))
-		goto out_task;
-
-	generic_fillattr(inode, stat);
-	unlock_trace(task);
-	rc = 0;
-out_task:
-	put_task_struct(task);
-	return rc;
-}
-
 static const struct inode_operations proc_pid_link_inode_operations = {
 	.readlink	= proc_pid_readlink,
 	.follow_link	= proc_pid_follow_link,
 	.setattr	= proc_setattr,
 };
 
-static const struct inode_operations proc_fdinfo_link_inode_operations = {
-	.setattr	= proc_setattr,
-	.getattr	= proc_pid_fd_link_getattr,
-};
-
-static const struct inode_operations proc_fd_link_inode_operations = {
-	.readlink	= proc_pid_readlink,
-	.follow_link	= proc_pid_follow_link,
-	.setattr	= proc_setattr,
-	.getattr	= proc_pid_fd_link_getattr,
-};
-
 
 /* building an inode */
 
@@ -1923,61 +1889,49 @@ out:
 
 static int proc_fd_info(struct inode *inode, struct path *path, char *info)
 {
-	struct task_struct *task;
-	struct files_struct *files;
+	struct task_struct *task = get_proc_task(inode);
+	struct files_struct *files = NULL;
 	struct file *file;
 	int fd = proc_fd(inode);
-	int rc;
-
-	task = get_proc_task(inode);
-	if (!task)
-		return -ENOENT;
-
-	rc = -EACCES;
-	if (lock_trace(task))
-		goto out_task;
-
-	rc = -ENOENT;
-	files = get_files_struct(task);
-	if (files == NULL)
-		goto out_unlock;
 
-	/*
-	 * We are not taking a ref to the file structure, so we must
-	 * hold ->file_lock.
-	 */
-	spin_lock(&files->file_lock);
-	file = fcheck_files(files, fd);
-	if (file) {
-		unsigned int f_flags;
-		struct fdtable *fdt;
-
-		fdt = files_fdtable(files);
-		f_flags = file->f_flags & ~O_CLOEXEC;
-		if (FD_ISSET(fd, fdt->close_on_exec))
-			f_flags |= O_CLOEXEC;
-
-		if (path) {
-			*path = file->f_path;
-			path_get(&file->f_path);
+	if (task) {
+		files = get_files_struct(task);
+		put_task_struct(task);
+	}
+	if (files) {
+		/*
+		 * We are not taking a ref to the file structure, so we must
+		 * hold ->file_lock.
+		 */
+		spin_lock(&files->file_lock);
+		file = fcheck_files(files, fd);
+		if (file) {
+			unsigned int f_flags;
+			struct fdtable *fdt;
+
+			fdt = files_fdtable(files);
+			f_flags = file->f_flags & ~O_CLOEXEC;
+			if (FD_ISSET(fd, fdt->close_on_exec))
+				f_flags |= O_CLOEXEC;
+
+			if (path) {
+				*path = file->f_path;
+				path_get(&file->f_path);
+			}
+			if (info)
+				snprintf(info, PROC_FDINFO_MAX,
+					 "pos:\t%lli\n"
+					 "flags:\t0%o\n",
+					 (long long) file->f_pos,
+					 f_flags);
+			spin_unlock(&files->file_lock);
+			put_files_struct(files);
+			return 0;
 		}
-		if (info)
-			snprintf(info, PROC_FDINFO_MAX,
-				 "pos:\t%lli\n"
-				 "flags:\t0%o\n",
-				 (long long) file->f_pos,
-				 f_flags);
-		rc = 0;
-	} else
-		rc = -ENOENT;
-	spin_unlock(&files->file_lock);
-	put_files_struct(files);
-
-out_unlock:
-	unlock_trace(task);
-out_task:
-	put_task_struct(task);
-	return rc;
+		spin_unlock(&files->file_lock);
+		put_files_struct(files);
+	}
+	return -ENOENT;
 }
 
 static int proc_fd_link(struct inode *inode, struct path *path)
@@ -2072,7 +2026,7 @@ static struct dentry *proc_fd_instantiate(struct inode *dir,
 	spin_unlock(&files->file_lock);
 	put_files_struct(files);
 
-	inode->i_op = &proc_fd_link_inode_operations;
+	inode->i_op = &proc_pid_link_inode_operations;
 	inode->i_size = 64;
 	ei->op.proc_get_link = proc_fd_link;
 	d_set_d_op(dentry, &tid_fd_dentry_operations);
@@ -2104,12 +2058,7 @@ static struct dentry *proc_lookupfd_common(struct inode *dir,
 	if (fd == ~0U)
 		goto out;
 
-	result = ERR_PTR(-EACCES);
-	if (lock_trace(task))
-		goto out;
-
 	result = instantiate(dir, dentry, task, &fd);
-	unlock_trace(task);
 out:
 	put_task_struct(task);
 out_no_task:
@@ -2129,28 +2078,23 @@ static int proc_readfd_common(struct file * filp, void * dirent,
 	retval = -ENOENT;
 	if (!p)
 		goto out_no_task;
-
-	retval = -EACCES;
-	if (lock_trace(p))
-		goto out;
-
 	retval = 0;
 
 	fd = filp->f_pos;
 	switch (fd) {
 		case 0:
 			if (filldir(dirent, ".", 1, 0, inode->i_ino, DT_DIR) < 0)
-				goto out_unlock;
+				goto out;
 			filp->f_pos++;
 		case 1:
 			ino = parent_ino(dentry);
 			if (filldir(dirent, "..", 2, 1, ino, DT_DIR) < 0)
-				goto out_unlock;
+				goto out;
 			filp->f_pos++;
 		default:
 			files = get_files_struct(p);
 			if (!files)
-				goto out_unlock;
+				goto out;
 			rcu_read_lock();
 			for (fd = filp->f_pos-2;
 			     fd < files_fdtable(files)->max_fds;
@@ -2174,9 +2118,6 @@ static int proc_readfd_common(struct file * filp, void * dirent,
 			rcu_read_unlock();
 			put_files_struct(files);
 	}
-
-out_unlock:
-	unlock_trace(p);
 out:
 	put_task_struct(p);
 out_no_task:
@@ -2254,7 +2195,6 @@ static struct dentry *proc_fdinfo_instantiate(struct inode *dir,
 	ei->fd = fd;
 	inode->i_mode = S_IFREG | S_IRUSR;
 	inode->i_fop = &proc_fdinfo_file_operations;
-	inode->i_op = &proc_fdinfo_link_inode_operations;
 	d_set_d_op(dentry, &tid_fd_dentry_operations);
 	d_add(dentry, inode);
 	/* Close the race of the process dying before we return the dentry */
-- 
GitLab


From 5bb01a991897d74295ff8de548d350400d7370a9 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Wed, 9 Nov 2011 15:29:31 -0800
Subject: [PATCH 0341/1594] ARM: OMAP: Fix map_io for Amstrad E3

Commit 7b88e62f5d219a86d81bdf4388012c97dc42e8f8 (ARM: OMAP1: Use generic
map_io, init_early and init_irq) changed omap1 to use generic map_io.

Looks like I missed one board though. Fix this by adding a custom
map_io for Amstrad E3.

Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap1/board-ams-delta.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 51bae31cf361..b0f15d234a12 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -302,8 +302,6 @@ static void __init ams_delta_init(void)
 	omap_cfg_reg(J19_1610_CAM_D6);
 	omap_cfg_reg(J18_1610_CAM_D7);
 
-	iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
-
 	omap_board_config = ams_delta_config;
 	omap_board_config_size = ARRAY_SIZE(ams_delta_config);
 	omap_serial_init();
@@ -373,10 +371,16 @@ static int __init ams_delta_modem_init(void)
 }
 arch_initcall(ams_delta_modem_init);
 
+static void __init ams_delta_map_io(void)
+{
+	omap15xx_map_io();
+	iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
+}
+
 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 	/* Maintainer: Jonathan McDowell <noodles@earth.li> */
 	.atag_offset	= 0x100,
-	.map_io		= omap15xx_map_io,
+	.map_io		= ams_delta_map_io,
 	.init_early	= omap1_init_early,
 	.reserve	= omap_reserve,
 	.init_irq	= omap1_init_irq,
-- 
GitLab


From be2658ffe1d2a4ab4e045b22a317459595abc2c4 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Thu, 10 Nov 2011 00:43:52 +0100
Subject: [PATCH 0342/1594] PM / shmobile: Don't skip debugging output in
 pd_power_up()

Don't skip debugging output upon earlier loop termination in pd_power_up().

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 arch/arm/mach-shmobile/pm-sh7372.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index 79612737c5b2..e26138352f07 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -123,13 +123,13 @@ static int pd_power_up(struct generic_pm_domain *genpd)
 
 	for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
 		if (!(__raw_readl(SWUCR) & mask))
-			goto out;
+			break;
 		if (retry_count > PSTR_RETRIES)
 			udelay(PSTR_DELAY_US);
 		else
 			cpu_relax();
 	}
-	if (__raw_readl(SWUCR) & mask)
+	if (!retry_count)
 		ret = -EIO;
 
 	if (!sh7372_pd->no_debug)
-- 
GitLab


From 056879d2f244001b2888cdc8cf868c33ca8b23a0 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Thu, 10 Nov 2011 00:44:01 +0100
Subject: [PATCH 0343/1594] ARM: mach-shmobile: sh7372 A3SP no_suspend_console
 fix

If "no_suspend_irq" is used on the sh7372 Mackerel board
with v3.2-rc1 then Suspend-to-RAM fails because the serial
console tries to write to the SCIF driver even though the
power domain is turned off.

This patch checks the state of "console_suspend_enabled"
to see if A3SP should be forced enabled.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 arch/arm/mach-shmobile/pm-sh7372.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index e26138352f07..78c98a847433 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -20,6 +20,7 @@
 #include <linux/delay.h>
 #include <linux/irq.h>
 #include <linux/bitrev.h>
+#include <linux/console.h>
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/tlbflush.h>
@@ -469,6 +470,11 @@ void __init sh7372_pm_init(void)
 	/* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */
 	__raw_writel(0, PDNSEL);
 
+	/* serial consoles make use of SCIF hardware located in A3SP,
+	 * keep such power domain on if "no_console_suspend" is set.
+	 */
+	sh7372_a3sp.stay_on = !console_suspend_enabled;
+
 	sh7372_suspend_init();
 	sh7372_cpuidle_init();
 }
-- 
GitLab


From 24050956e029a9ecff096e1992869ada4492963c Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Thu, 10 Nov 2011 00:44:10 +0100
Subject: [PATCH 0344/1594] PM / Clocks: Only disable enabled clocks in
 pm_clk_suspend()

Refrain from running clk_disable() on clocks that
have not been enabled. A typical case when this can
happen is during Suspend-to-RAM for devices that have
no driver associated with them. In such case the clock
may be in default ACQUIRED state.

Without this patch the sh7372 Mackerel board crashes
in __clk_disable() during Suspend-to-RAM with:
"Trying to disable clock 0xdeadbeef with 0 usecount"
This happens for the CEU device which is added during
boot. The test case has no CEU driver included in the
kernel configuration. Needed for v3.2-rc1.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/base/power/clock_ops.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 5f0f85d5c576..428e55e012dc 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -229,7 +229,8 @@ int pm_clk_suspend(struct device *dev)
 
 	list_for_each_entry_reverse(ce, &psd->clock_list, node) {
 		if (ce->status < PCE_STATUS_ERROR) {
-			clk_disable(ce->clk);
+			if (ce->status == PCE_STATUS_ENABLED)
+				clk_disable(ce->clk);
 			ce->status = PCE_STATUS_ACQUIRED;
 		}
 	}
-- 
GitLab


From af4c720efc0507e01b89774fed936087baac4107 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Thu, 10 Nov 2011 00:44:18 +0100
Subject: [PATCH 0345/1594] PM / QoS: Properly use the WARN() macro in
 dev_pm_qos_add_request()

Make dev_pm_qos_add_request() use WARN() in a better way and do not hardcode
the function's name into the message (use __func__ instead).

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/base/power/qos.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 30a94eadc200..86de6c50fc41 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -212,11 +212,9 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req,
 	if (!dev || !req) /*guard against callers passing in null */
 		return -EINVAL;
 
-	if (dev_pm_qos_request_active(req)) {
-		WARN(1, KERN_ERR "dev_pm_qos_add_request() called for already "
-			"added request\n");
+	if (WARN(dev_pm_qos_request_active(req),
+		 "%s() called for already added request\n", __func__))
 		return -EINVAL;
-	}
 
 	req->dev = dev;
 
@@ -271,11 +269,9 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req,
 	if (!req) /*guard against callers passing in null */
 		return -EINVAL;
 
-	if (!dev_pm_qos_request_active(req)) {
-		WARN(1, KERN_ERR "dev_pm_qos_update_request() called for "
-			"unknown object\n");
+	if (WARN(!dev_pm_qos_request_active(req),
+		 "%s() called for unknown object\n", __func__))
 		return -EINVAL;
-	}
 
 	mutex_lock(&dev_pm_qos_mtx);
 
@@ -312,11 +308,9 @@ int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)
 	if (!req) /*guard against callers passing in null */
 		return -EINVAL;
 
-	if (!dev_pm_qos_request_active(req)) {
-		WARN(1, KERN_ERR "dev_pm_qos_remove_request() called for "
-			"unknown object\n");
+	if (WARN(!dev_pm_qos_request_active(req),
+		 "%s() called for unknown object\n", __func__))
 		return -EINVAL;
-	}
 
 	mutex_lock(&dev_pm_qos_mtx);
 
-- 
GitLab


From 1e49570171117e547e6324c58371db4a0dc2f1db Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 9 Nov 2011 00:14:11 -0500
Subject: [PATCH 0346/1594] net: Fix references to deleted NET_ETHERNET Kconfig
 setting.

Change them over to plain "ETHERNET"

Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 arch/cris/arch-v10/drivers/Kconfig | 2 +-
 arch/cris/arch-v32/drivers/Kconfig | 2 +-
 drivers/s390/net/Kconfig           | 2 +-
 drivers/s390/net/lcs.c             | 6 +++---
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig
index 32d90867a984..5f2cdb3e428c 100644
--- a/arch/cris/arch-v10/drivers/Kconfig
+++ b/arch/cris/arch-v10/drivers/Kconfig
@@ -3,7 +3,7 @@ if ETRAX_ARCH_V10
 config ETRAX_ETHERNET
 	bool "Ethernet support"
 	depends on ETRAX_ARCH_V10
-	select NET_ETHERNET
+	select ETHERNET
 	select NET_CORE
 	select MII
 	help
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
index e47e9c3401b0..de43aadcdbc4 100644
--- a/arch/cris/arch-v32/drivers/Kconfig
+++ b/arch/cris/arch-v32/drivers/Kconfig
@@ -3,7 +3,7 @@ if ETRAX_ARCH_V32
 config ETRAX_ETHERNET
 	bool "Ethernet support"
 	depends on ETRAX_ARCH_V32
-	select NET_ETHERNET
+	select ETHERNET
 	select NET_CORE
 	select MII
 	help
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig
index fa80ba1f0344..9b66d2d1809b 100644
--- a/drivers/s390/net/Kconfig
+++ b/drivers/s390/net/Kconfig
@@ -4,7 +4,7 @@ menu "S/390 network device drivers"
 config LCS
 	def_tristate m
 	prompt "Lan Channel Station Interface"
-	depends on CCW && NETDEVICES && (NET_ETHERNET || TR || FDDI)
+	depends on CCW && NETDEVICES && (ETHERNET || TR || FDDI)
 	help
 	   Select this option if you want to use LCS networking on IBM System z.
 	   This device driver supports Token Ring (IEEE 802.5),
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index c28713da1ec5..863fc2197155 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -50,7 +50,7 @@
 #include "lcs.h"
 
 
-#if !defined(CONFIG_NET_ETHERNET) && \
+#if !defined(CONFIG_ETHERNET) && \
     !defined(CONFIG_TR) && !defined(CONFIG_FDDI)
 #error Cannot compile lcs.c without some net devices switched on.
 #endif
@@ -1634,7 +1634,7 @@ lcs_startlan_auto(struct lcs_card *card)
 	int rc;
 
 	LCS_DBF_TEXT(2, trace, "strtauto");
-#ifdef CONFIG_NET_ETHERNET
+#ifdef CONFIG_ETHERNET
 	card->lan_type = LCS_FRAME_TYPE_ENET;
 	rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP);
 	if (rc == 0)
@@ -2166,7 +2166,7 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
 		goto netdev_out;
 	}
 	switch (card->lan_type) {
-#ifdef CONFIG_NET_ETHERNET
+#ifdef CONFIG_ETHERNET
 	case LCS_FRAME_TYPE_ENET:
 		card->lan_type_trans = eth_type_trans;
 		dev = alloc_etherdev(0);
-- 
GitLab


From 3940d6185a982a970ff562e085caccbdd62f40bb Mon Sep 17 00:00:00 2001
From: JJ Ding <jj_ding@emc.com.tw>
Date: Tue, 8 Nov 2011 22:13:14 -0800
Subject: [PATCH 0347/1594] Input: elantech - adjust hw_version detection logic
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This patch fixes some v3 hardware (fw_version: 0x150500) wrongly detected
as v2 hardware.

Reported-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Tested-By: Marc Dietrich <marvin24@gmx.de>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/mouse/elantech.c | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 09b93b11a274..e2a9867c19d5 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1210,18 +1210,28 @@ static int elantech_reconnect(struct psmouse *psmouse)
  */
 static int elantech_set_properties(struct elantech_data *etd)
 {
+	/* This represents the version of IC body. */
 	int ver = (etd->fw_version & 0x0f0000) >> 16;
 
+	/* Early version of Elan touchpads doesn't obey the rule. */
 	if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600)
 		etd->hw_version = 1;
-	else if (etd->fw_version < 0x150600)
-		etd->hw_version = 2;
-	else if (ver == 5)
-		etd->hw_version = 3;
-	else if (ver == 6)
-		etd->hw_version = 4;
-	else
-		return -1;
+	else {
+		switch (ver) {
+		case 2:
+		case 4:
+			etd->hw_version = 2;
+			break;
+		case 5:
+			etd->hw_version = 3;
+			break;
+		case 6:
+			etd->hw_version = 4;
+			break;
+		default:
+			return -1;
+		}
+	}
 
 	/*
 	 * Turn on packet checking by default.
-- 
GitLab


From 77f6ca5a6283a5d34c4bd9dc809fec9e37fdd80d Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Wed, 9 Nov 2011 10:13:33 -0800
Subject: [PATCH 0348/1594] Input: ams_delta_serio - include linux/module.h

Fix the following compilation failure with v3.2-rc1 by including module.h:

  CC      drivers/input/serio/ams_delta_serio.o
drivers/input/serio/ams_delta_serio.c:33:15: error: expected declaration specifiers or '...' before string constant
drivers/input/serio/ams_delta_serio.c:34:20: error: expected declaration specifiers or '...' before string constant
drivers/input/serio/ams_delta_serio.c:35:16: error: expected declaration specifiers or '...' before string constant
drivers/input/serio/ams_delta_serio.c: In function 'ams_delta_serio_init':
drivers/input/serio/ams_delta_serio.c:155:2: error: 'THIS_MODULE' undeclared (first use in this function)
drivers/input/serio/ams_delta_serio.c:155:2: note: each undeclared identifier is reported only once for each function it appears in

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/serio/ams_delta_serio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
index 4b2a42f9f0bb..d4d08bd9205b 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -24,6 +24,7 @@
 #include <linux/irq.h>
 #include <linux/serio.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 
 #include <asm/mach-types.h>
 #include <plat/board-ams-delta.h>
-- 
GitLab


From c0a39151a4055332897cba615623d3de2f3896df Mon Sep 17 00:00:00 2001
From: Haojian Zhuang <haojian.zhuang@marvell.com>
Date: Thu, 10 Nov 2011 07:13:07 +0800
Subject: [PATCH 0349/1594] ARM: pxa: fix inconsistent CONFIG_USB_PXA27X

Since CONFIG_USB_GADGET_PXA27X and other macros are renamed to
CONFIG_USB_PXA27X. Update them in arch/arm/mach-pxa and arch/arm/configs
to keep consistent.

Cc: stable@kernel.org
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
---
 arch/arm/configs/ezx_defconfig           | 2 +-
 arch/arm/configs/imote2_defconfig        | 2 +-
 arch/arm/configs/magician_defconfig      | 2 +-
 arch/arm/configs/zeus_defconfig          | 2 +-
 arch/arm/mach-pxa/balloon3.c             | 2 +-
 arch/arm/mach-pxa/colibri-pxa320.c       | 2 +-
 arch/arm/mach-pxa/gumstix.c              | 2 +-
 arch/arm/mach-pxa/include/mach/palm27x.h | 4 ++--
 arch/arm/mach-pxa/palm27x.c              | 4 ++--
 arch/arm/mach-pxa/palmtc.c               | 2 +-
 arch/arm/mach-pxa/vpac270.c              | 2 +-
 11 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/arm/configs/ezx_defconfig b/arch/arm/configs/ezx_defconfig
index 227a477346ed..d95763d5f0d8 100644
--- a/arch/arm/configs/ezx_defconfig
+++ b/arch/arm/configs/ezx_defconfig
@@ -287,7 +287,7 @@ CONFIG_USB=y
 # CONFIG_USB_DEVICE_CLASS is not set
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_GADGET=y
-CONFIG_USB_GADGET_PXA27X=y
+CONFIG_USB_PXA27X=y
 CONFIG_USB_ETH=m
 # CONFIG_USB_ETH_RNDIS is not set
 CONFIG_MMC=y
diff --git a/arch/arm/configs/imote2_defconfig b/arch/arm/configs/imote2_defconfig
index 176ec22af034..fd996bb13022 100644
--- a/arch/arm/configs/imote2_defconfig
+++ b/arch/arm/configs/imote2_defconfig
@@ -263,7 +263,7 @@ CONFIG_USB=y
 # CONFIG_USB_DEVICE_CLASS is not set
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_GADGET=y
-CONFIG_USB_GADGET_PXA27X=y
+CONFIG_USB_PXA27X=y
 CONFIG_USB_ETH=m
 # CONFIG_USB_ETH_RNDIS is not set
 CONFIG_MMC=y
diff --git a/arch/arm/configs/magician_defconfig b/arch/arm/configs/magician_defconfig
index a88e64d4e9a5..443675d317e6 100644
--- a/arch/arm/configs/magician_defconfig
+++ b/arch/arm/configs/magician_defconfig
@@ -132,7 +132,7 @@ CONFIG_USB_MON=m
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_VBUS_DRAW=500
-CONFIG_USB_GADGET_PXA27X=y
+CONFIG_USB_PXA27X=y
 CONFIG_USB_ETH=m
 # CONFIG_USB_ETH_RNDIS is not set
 CONFIG_USB_GADGETFS=m
diff --git a/arch/arm/configs/zeus_defconfig b/arch/arm/configs/zeus_defconfig
index 59577ad3f4ef..547a3c1e59db 100644
--- a/arch/arm/configs/zeus_defconfig
+++ b/arch/arm/configs/zeus_defconfig
@@ -140,7 +140,7 @@ CONFIG_USB_SERIAL=m
 CONFIG_USB_SERIAL_GENERIC=y
 CONFIG_USB_SERIAL_MCT_U232=m
 CONFIG_USB_GADGET=m
-CONFIG_USB_GADGET_PXA27X=y
+CONFIG_USB_PXA27X=y
 CONFIG_USB_ETH=m
 CONFIG_USB_GADGETFS=m
 CONFIG_USB_FILE_STORAGE=m
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index fc0b8544e174..4b81f59a4cba 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -307,7 +307,7 @@ static inline void balloon3_mmc_init(void) {}
 /******************************************************************************
  * USB Gadget
  ******************************************************************************/
-#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
 static void balloon3_udc_command(int cmd)
 {
 	if (cmd == PXA2XX_UDC_CMD_CONNECT)
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index 692e1ffc5586..d23b92b80488 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -146,7 +146,7 @@ static void __init colibri_pxa320_init_eth(void)
 static inline void __init colibri_pxa320_init_eth(void) {}
 #endif /* CONFIG_AX88796 */
 
-#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
 static struct gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = {
 	.gpio_vbus		= mfp_to_gpio(MFP_PIN_GPIO96),
 	.gpio_pullup		= -1,
diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c
index 9c8208ca0415..ffdd70dad327 100644
--- a/arch/arm/mach-pxa/gumstix.c
+++ b/arch/arm/mach-pxa/gumstix.c
@@ -106,7 +106,7 @@ static void __init gumstix_mmc_init(void)
 }
 #endif
 
-#ifdef CONFIG_USB_GADGET_PXA25X
+#ifdef CONFIG_USB_PXA25X
 static struct gpio_vbus_mach_info gumstix_udc_info = {
 	.gpio_vbus		= GPIO_GUMSTIX_USB_GPIOn,
 	.gpio_pullup		= GPIO_GUMSTIX_USB_GPIOx,
diff --git a/arch/arm/mach-pxa/include/mach/palm27x.h b/arch/arm/mach-pxa/include/mach/palm27x.h
index f80bbe246afe..d4eac3d6ffb5 100644
--- a/arch/arm/mach-pxa/include/mach/palm27x.h
+++ b/arch/arm/mach-pxa/include/mach/palm27x.h
@@ -37,8 +37,8 @@ extern void __init palm27x_lcd_init(int power,
 #define palm27x_lcd_init(power, mode)	do {} while (0)
 #endif
 
-#if	defined(CONFIG_USB_GADGET_PXA27X) || \
-	defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+#if	defined(CONFIG_USB_PXA27X) || \
+	defined(CONFIG_USB_PXA27X_MODULE)
 extern void __init palm27x_udc_init(int vbus, int pullup,
 					int vbus_inverted);
 #else
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
index 325c245c0a0d..fbc10d7b95d1 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -164,8 +164,8 @@ void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
 /******************************************************************************
  * USB Gadget
  ******************************************************************************/
-#if	defined(CONFIG_USB_GADGET_PXA27X) || \
-	defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+#if	defined(CONFIG_USB_PXA27X) || \
+	defined(CONFIG_USB_PXA27X_MODULE)
 static struct gpio_vbus_mach_info palm27x_udc_info = {
 	.gpio_vbus_inverted	= 1,
 };
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index 6ec7caefb37c..2c24c67fd92b 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -338,7 +338,7 @@ static inline void palmtc_mkp_init(void) {}
 /******************************************************************************
  * UDC
  ******************************************************************************/
-#if defined(CONFIG_USB_GADGET_PXA25X)||defined(CONFIG_USB_GADGET_PXA25X_MODULE)
+#if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
 static struct gpio_vbus_mach_info palmtc_udc_info = {
 	.gpio_vbus		= GPIO_NR_PALMTC_USB_DETECT_N,
 	.gpio_vbus_inverted	= 1,
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index a7539a6ed1ff..ca0c6615028c 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -343,7 +343,7 @@ static inline void vpac270_uhc_init(void) {}
 /******************************************************************************
  * USB Gadget
  ******************************************************************************/
-#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
 static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {
 	.gpio_vbus		= GPIO41_VPAC270_UDC_DETECT,
 	.gpio_pullup		= -1,
-- 
GitLab


From 45f034ef205e5439a50d6f7e5f89add93131c0cc Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Sat, 5 Nov 2011 21:28:46 +0100
Subject: [PATCH 0350/1594] pinctrl: hide subsystem from the populace

Machines that have embedded pin controllers need to select them
explicitly, so why broadcast their config options to menuconfig.
We provide a helpful submenu for those machines that do select
it, making it possible to enable debugging for example.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 drivers/pinctrl/Kconfig | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index ef566443f945..e17e2f8001d2 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -2,23 +2,17 @@
 # PINCTRL infrastructure and drivers
 #
 
-menuconfig PINCTRL
-	bool "PINCTRL Support"
+config PINCTRL
+	bool
 	depends on EXPERIMENTAL
-	help
-	  This enables the PINCTRL subsystem for controlling pins
-	  on chip packages, for example multiplexing pins on primarily
-	  PGA and BGA packages for systems on chip.
-
-	  If unsure, say N.
 
 if PINCTRL
 
+menu "Pin controllers"
+	depends on PINCTRL
+
 config PINMUX
 	bool "Support pinmux controllers"
-	help
-	  Say Y here if you want the pincontrol subsystem to handle pin
-	  multiplexing drivers.
 
 config DEBUG_PINCTRL
 	bool "Debug PINCTRL calls"
@@ -30,14 +24,12 @@ config PINMUX_SIRF
 	bool "CSR SiRFprimaII pinmux driver"
 	depends on ARCH_PRIMA2
 	select PINMUX
-	help
-	  Say Y here to enable the SiRFprimaII pinmux driver
 
 config PINMUX_U300
 	bool "U300 pinmux driver"
 	depends on ARCH_U300
 	select PINMUX
-	help
-	  Say Y here to enable the U300 pinmux driver
+
+endmenu
 
 endif
-- 
GitLab


From d0985394e7fee6b25a7cc8335d45bc1c1a8ab2d3 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Thu, 10 Nov 2011 09:03:55 +0100
Subject: [PATCH 0351/1594] block: Revert "[SCSI] genhd: add a new attribute
 "alias" in gendisk"

This reverts commit a72c5e5eb738033938ab30d6a634b74d1d060f10.

The commit introduced alias for block devices which is intended to be
used during logging although actual usage hasn't been committed yet.
This approach adds very limited benefit (raw log might be easier to
follow) which can be trivially implemented in userland but has a lot
of problems.

It is much worse than netif renames because it doesn't rename the
actual device but just adds conveninence name which isn't used
universally or enforced.  Everything internal including device lookup
and sysfs still uses the internal name and nothing prevents two
devices from using conflicting alias - ie. sda can have sdb as its
alias.

This has been nacked by people working on device driver core, block
layer and kernel-userland interface and shouldn't have been
upstreamed.  Revert it.

 http://thread.gmane.org/gmane.linux.kernel/1155104
 http://thread.gmane.org/gmane.linux.scsi/68632
 http://thread.gmane.org/gmane.linux.scsi/69776

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
 Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Nao Nishijima <nao.nishijima.xt@hitachi.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 Documentation/ABI/testing/sysfs-block | 13 -----
 block/genhd.c                         | 71 ---------------------------
 include/linux/genhd.h                 |  4 --
 3 files changed, 88 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block
index 2b5d56127fce..c1eb41cb9876 100644
--- a/Documentation/ABI/testing/sysfs-block
+++ b/Documentation/ABI/testing/sysfs-block
@@ -206,16 +206,3 @@ Description:
 		when a discarded area is read the discard_zeroes_data
 		parameter will be set to one. Otherwise it will be 0 and
 		the result of reading a discarded area is undefined.
-What:		/sys/block/<disk>/alias
-Date:		Aug 2011
-Contact:	Nao Nishijima <nao.nishijima.xt@hitachi.com>
-Description:
-		A raw device name of a disk does not always point a same disk
-		each boot-up time. Therefore, users have to use persistent
-		device names, which udev creates when the kernel finds a disk,
-		instead of raw device name. However, kernel doesn't show those
-		persistent names on its messages (e.g. dmesg).
-		This file can store an alias of the disk and it would be
-		appeared in kernel messages if it is set. A disk can have an
-		alias which length is up to 255bytes. Users can use alphabets,
-		numbers, "-" and "_" in alias name. This file is writeonce.
diff --git a/block/genhd.c b/block/genhd.c
index 9253839714ff..02e9fca80825 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -19,7 +19,6 @@
 #include <linux/mutex.h>
 #include <linux/idr.h>
 #include <linux/log2.h>
-#include <linux/ctype.h>
 
 #include "blk.h"
 
@@ -916,74 +915,6 @@ static int __init genhd_device_init(void)
 
 subsys_initcall(genhd_device_init);
 
-static ssize_t alias_show(struct device *dev,
-			       struct device_attribute *attr, char *buf)
-{
-	struct gendisk *disk = dev_to_disk(dev);
-	ssize_t ret = 0;
-
-	if (disk->alias)
-		ret = snprintf(buf, ALIAS_LEN, "%s\n", disk->alias);
-	return ret;
-}
-
-static ssize_t alias_store(struct device *dev, struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	struct gendisk *disk = dev_to_disk(dev);
-	char *alias;
-	char *envp[] = { NULL, NULL };
-	unsigned char c;
-	int i;
-	ssize_t ret = count;
-
-	if (!count)
-		return -EINVAL;
-
-	if (count >= ALIAS_LEN) {
-		printk(KERN_ERR "alias: alias is too long\n");
-		return -EINVAL;
-	}
-
-	/* Validation check */
-	for (i = 0; i < count; i++) {
-		c = buf[i];
-		if (i == count - 1 && c == '\n')
-			break;
-		if (!isalnum(c) && c != '_' && c != '-') {
-			printk(KERN_ERR "alias: invalid alias\n");
-			return -EINVAL;
-		}
-	}
-
-	if (disk->alias) {
-		printk(KERN_INFO "alias: %s is already assigned (%s)\n",
-		       disk->disk_name, disk->alias);
-		return -EINVAL;
-	}
-
-	alias = kasprintf(GFP_KERNEL, "%s", buf);
-	if (!alias)
-		return -ENOMEM;
-
-	if (alias[count - 1] == '\n')
-		alias[count - 1] = '\0';
-
-	envp[0] = kasprintf(GFP_KERNEL, "ALIAS=%s", alias);
-	if (!envp[0]) {
-		kfree(alias);
-		return -ENOMEM;
-	}
-
-	disk->alias = alias;
-	printk(KERN_INFO "alias: assigned %s to %s\n", alias, disk->disk_name);
-
-	kobject_uevent_env(&dev->kobj, KOBJ_ADD, envp);
-
-	kfree(envp[0]);
-	return ret;
-}
-
 static ssize_t disk_range_show(struct device *dev,
 			       struct device_attribute *attr, char *buf)
 {
@@ -1043,7 +974,6 @@ static ssize_t disk_discard_alignment_show(struct device *dev,
 	return sprintf(buf, "%d\n", queue_discard_alignment(disk->queue));
 }
 
-static DEVICE_ATTR(alias, S_IRUGO|S_IWUSR, alias_show, alias_store);
 static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL);
 static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL);
 static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL);
@@ -1066,7 +996,6 @@ static struct device_attribute dev_attr_fail_timeout =
 #endif
 
 static struct attribute *disk_attrs[] = {
-	&dev_attr_alias.attr,
 	&dev_attr_range.attr,
 	&dev_attr_ext_range.attr,
 	&dev_attr_removable.attr,
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 9de31bc98c88..6d18f3531f18 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -21,8 +21,6 @@
 #define dev_to_part(device)	container_of((device), struct hd_struct, __dev)
 #define disk_to_dev(disk)	(&(disk)->part0.__dev)
 #define part_to_dev(part)	(&((part)->__dev))
-#define alias_name(disk)	((disk)->alias ? (disk)->alias : \
-						 (disk)->disk_name)
 
 extern struct device_type part_type;
 extern struct kobject *block_depr;
@@ -60,7 +58,6 @@ enum {
 
 #define DISK_MAX_PARTS			256
 #define DISK_NAME_LEN			32
-#define ALIAS_LEN			256
 
 #include <linux/major.h>
 #include <linux/device.h>
@@ -166,7 +163,6 @@ struct gendisk {
                                          * disks that can't be partitioned. */
 
 	char disk_name[DISK_NAME_LEN];	/* name of major driver */
-	char *alias;			/* alias name of disk */
 	char *(*devnode)(struct gendisk *gd, mode_t *mode);
 
 	unsigned int events;		/* supported events */
-- 
GitLab


From 952f6d1386b21c5e8db346b805380bf2432e5e9b Mon Sep 17 00:00:00 2001
From: MyungJoo Ham <myungjoo.ham@samsung.com>
Date: Thu, 10 Nov 2011 10:16:23 +0100
Subject: [PATCH 0352/1594] PM / devfreq: Remove compiler error after irq.h
 update

Added <linux/module.h> and <linux/stat.h> to avoid a compiler error
because linux/irq.h no longer includes linux/module.h after Linux 3.2.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/devfreq/devfreq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 5d15b812377b..d0659253387a 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -15,7 +15,9 @@
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/stat.h>
 #include <linux/opp.h>
 #include <linux/devfreq.h>
 #include <linux/workqueue.h>
-- 
GitLab


From aeb4b88ec0a948efce8e3a23a8f964d3560a7308 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 10 Nov 2011 12:28:38 +0100
Subject: [PATCH 0353/1594] ALSA: hda - Don't add elements of other codecs to
 vmaster slave

When a virtual mater control is created, the driver looks for slave
elements from the assigned card instance.  But this may include the
elements of other codecs when multiple codecs are on the same HD-audio
bus.  This works at the first time, but it'll give Oops when it's once
freed and re-created via reconfig sysfs.

This patch changes the element-look-up strategy to limit only to the
mixer elements of the same codec.

Reported-by: David Henningsson <david.henningsson@canonical.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_codec.c | 60 +++++++++++++++++++++++++--------------
 1 file changed, 39 insertions(+), 21 deletions(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 916a1863af73..e9136711b2d5 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2331,6 +2331,39 @@ int snd_hda_codec_reset(struct hda_codec *codec)
 	return 0;
 }
 
+typedef int (*map_slave_func_t)(void *, struct snd_kcontrol *);
+
+/* apply the function to all matching slave ctls in the mixer list */
+static int map_slaves(struct hda_codec *codec, const char * const *slaves,
+		      map_slave_func_t func, void *data) 
+{
+	struct hda_nid_item *items;
+	const char * const *s;
+	int i, err;
+
+	items = codec->mixers.list;
+	for (i = 0; i < codec->mixers.used; i++) {
+		struct snd_kcontrol *sctl = items[i].kctl;
+		if (!sctl || !sctl->id.name ||
+		    sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
+			continue;
+		for (s = slaves; *s; s++) {
+			if (!strcmp(sctl->id.name, *s)) {
+				err = func(data, sctl);
+				if (err)
+					return err;
+				break;
+			}
+		}
+	}
+	return 0;
+}
+
+static int check_slave_present(void *data, struct snd_kcontrol *sctl)
+{
+	return 1;
+}
+
 /**
  * snd_hda_add_vmaster - create a virtual master control and add slaves
  * @codec: HD-audio codec
@@ -2351,12 +2384,10 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 			unsigned int *tlv, const char * const *slaves)
 {
 	struct snd_kcontrol *kctl;
-	const char * const *s;
 	int err;
 
-	for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
-		;
-	if (!*s) {
+	err = map_slaves(codec, slaves, check_slave_present, NULL);
+	if (err != 1) {
 		snd_printdd("No slave found for %s\n", name);
 		return 0;
 	}
@@ -2367,23 +2398,10 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 	if (err < 0)
 		return err;
 
-	for (s = slaves; *s; s++) {
-		struct snd_kcontrol *sctl;
-		int i = 0;
-		for (;;) {
-			sctl = _snd_hda_find_mixer_ctl(codec, *s, i);
-			if (!sctl) {
-				if (!i)
-					snd_printdd("Cannot find slave %s, "
-						    "skipped\n", *s);
-				break;
-			}
-			err = snd_ctl_add_slave(kctl, sctl);
-			if (err < 0)
-				return err;
-			i++;
-		}
-	}
+	err = map_slaves(codec, slaves, (map_slave_func_t)snd_ctl_add_slave,
+			 kctl);
+	if (err < 0)
+		return err;
 	return 0;
 }
 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
-- 
GitLab


From 9e226b4b7e77215ca70461edc33800f6c1ba63d3 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 10 Nov 2011 12:34:24 +0100
Subject: [PATCH 0354/1594] ALSA: vmaster - Free slave-links when freeing the
 master element

When freeing the vmaster master element, we should release slave-links
properly, not only assumig that slaves will be freed soon later.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/core/vmaster.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c
index 5dbab38d04af..130cfe677d60 100644
--- a/sound/core/vmaster.c
+++ b/sound/core/vmaster.c
@@ -52,6 +52,7 @@ struct link_slave {
 	struct link_ctl_info info;
 	int vals[2];		/* current values */
 	unsigned int flags;
+	struct snd_kcontrol *kctl; /* original kcontrol pointer */
 	struct snd_kcontrol slave; /* the copy of original control entry */
 };
 
@@ -252,6 +253,7 @@ int _snd_ctl_add_slave(struct snd_kcontrol *master, struct snd_kcontrol *slave,
 		       slave->count * sizeof(*slave->vd), GFP_KERNEL);
 	if (!srec)
 		return -ENOMEM;
+	srec->kctl = slave;
 	srec->slave = *slave;
 	memcpy(srec->slave.vd, slave->vd, slave->count * sizeof(*slave->vd));
 	srec->master = master_link;
@@ -333,10 +335,18 @@ static int master_put(struct snd_kcontrol *kcontrol,
 static void master_free(struct snd_kcontrol *kcontrol)
 {
 	struct link_master *master = snd_kcontrol_chip(kcontrol);
-	struct link_slave *slave;
-
-	list_for_each_entry(slave, &master->slaves, list)
-		slave->master = NULL;
+	struct link_slave *slave, *n;
+
+	/* free all slave links and retore the original slave kctls */
+	list_for_each_entry_safe(slave, n, &master->slaves, list) {
+		struct snd_kcontrol *sctl = slave->kctl;
+		struct list_head olist = sctl->list;
+		memcpy(sctl, &slave->slave, sizeof(*sctl));
+		memcpy(sctl->vd, slave->slave.vd,
+		       sctl->count * sizeof(*sctl->vd));
+		sctl->list = olist; /* keep the current linked-list */
+		kfree(slave);
+	}
 	kfree(master);
 }
 
-- 
GitLab


From 2f451d2a2a44b66586b803763068195088f9ccd4 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 10 Nov 2011 12:36:46 +0100
Subject: [PATCH 0355/1594] ALSA: hda - Re-enable the check NO_PRESENCE misc
 bit

We disabled the check of NO_PRESENCE bit of the default pin-config
in commit f4419172 temporarily.  One problem was that the first
implementation was wrong -- the bit after the shift must be checked.
However, this would still give many regressions on machines with broken
BIOS.  They set this bit wrongly even on active pins.

A workaround is to check whether all pins contain this bit.  As far as
I've checked, broken BIOSen set this bit on all pins, no matter whether
active or not.  In such a case, the driver should ignore this bit check.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_codec.c |  4 ++++
 sound/pci/hda/hda_codec.h |  1 +
 sound/pci/hda/hda_local.h | 16 +++++++++-------
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index e9136711b2d5..e44b107fdc75 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -4770,6 +4770,7 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
 	memset(sequences_hp, 0, sizeof(sequences_hp));
 	assoc_line_out = 0;
 
+	codec->ignore_misc_bit = true;
 	end_nid = codec->start_nid + codec->num_nodes;
 	for (nid = codec->start_nid; nid < end_nid; nid++) {
 		unsigned int wid_caps = get_wcaps(codec, nid);
@@ -4785,6 +4786,9 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
 			continue;
 
 		def_conf = snd_hda_codec_get_pincfg(codec, nid);
+		if (!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
+		      AC_DEFCFG_MISC_NO_PRESENCE))
+			codec->ignore_misc_bit = false;
 		conn = get_defcfg_connect(def_conf);
 		if (conn == AC_JACK_PORT_NONE)
 			continue;
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 755f2b0f9d8e..564471169cae 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -854,6 +854,7 @@ struct hda_codec {
 	unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
 	unsigned int pins_shutup:1;	/* pins are shut up */
 	unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
+	unsigned int ignore_misc_bit:1; /* ignore MISC_NO_PRESENCE bit */
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 	unsigned int power_on :1;	/* current (global) power-state */
 	unsigned int power_transition :1; /* power-state in transition */
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index dcbea0da0fa2..6579e0f2bb57 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -510,13 +510,15 @@ int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
 
 static inline bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
 {
-	return (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT) &&
-		/* disable MISC_NO_PRESENCE check because it may break too
-		 * many devices
-		 */
-		/*(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid) &
-		  AC_DEFCFG_MISC_NO_PRESENCE)) &&*/
-		(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP);
+	if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT))
+		return false;
+	if (!codec->ignore_misc_bit &&
+	    (get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
+	     AC_DEFCFG_MISC_NO_PRESENCE))
+		return false;
+	if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP))
+		return false;
+	return true;
 }
 
 /* flags for hda_nid_item */
-- 
GitLab


From 98d97019c88bd832da1457729739cf739ece493f Mon Sep 17 00:00:00 2001
From: Jassi Brar <jaswinder.singh@linaro.org>
Date: Thu, 10 Nov 2011 17:19:07 +0530
Subject: [PATCH 0356/1594] MAINTAINERS: Drop inactive Samsung ASoC maintainer

Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 MAINTAINERS | 1 -
 1 file changed, 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index c802e5fa2d11..fd7e441b5ea7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5648,7 +5648,6 @@ F:	drivers/media/video/*7146*
 F:	include/media/*7146*
 
 SAMSUNG AUDIO (ASoC) DRIVERS
-M:	Jassi Brar <jassisinghbrar@gmail.com>
 M:	Sangbeom Kim <sbkim73@samsung.com>
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
 S:	Supported
-- 
GitLab


From cf8ff6b6ab0e99dd3058852f4ec76a6140abadec Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Thu, 10 Nov 2011 13:42:02 +0000
Subject: [PATCH 0357/1594] x86/platform: Add a wallclock_init func to
 x86_platforms ops

Some wall clock devices use MMIO based HW register, this new
function will give them a chance to do some initialization work
before their get/set_time service get called.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/x86_init.h | 2 ++
 arch/x86/kernel/setup.c         | 2 ++
 arch/x86/kernel/x86_init.c      | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index d3d859035af9..f864fbe474c6 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -152,6 +152,7 @@ struct x86_cpuinit_ops {
 /**
  * struct x86_platform_ops - platform specific runtime functions
  * @calibrate_tsc:		calibrate TSC
+ * @wallclock_init:		init the wallclock device
  * @get_wallclock:		get time from HW clock like RTC etc.
  * @set_wallclock:		set time back to HW clock
  * @is_untracked_pat_range	exclude from PAT logic
@@ -160,6 +161,7 @@ struct x86_cpuinit_ops {
  */
 struct x86_platform_ops {
 	unsigned long (*calibrate_tsc)(void);
+	void (*wallclock_init)(void);
 	unsigned long (*get_wallclock)(void);
 	int (*set_wallclock)(unsigned long nowtime);
 	void (*iommu_shutdown)(void);
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index afaf38447ef5..cf0ef986cb6d 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1045,6 +1045,8 @@ void __init setup_arch(char **cmdline_p)
 
 	x86_init.timers.wallclock_init();
 
+	x86_platform.wallclock_init();
+
 	mcheck_init();
 
 	arch_init_ideal_nops();
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 6f164bd5e14d..701c7be442f1 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -27,6 +27,7 @@ void __init x86_init_uint_noop(unsigned int unused) { }
 void __init x86_init_pgd_noop(pgd_t *unused) { }
 int __init iommu_init_noop(void) { return 0; }
 void iommu_shutdown_noop(void) { }
+void wallclock_init_noop(void) { }
 
 /*
  * The platform setup functions are preset with the default functions
@@ -97,6 +98,7 @@ static int default_i8042_detect(void) { return 1; };
 
 struct x86_platform_ops x86_platform = {
 	.calibrate_tsc			= native_calibrate_tsc,
+	.wallclock_init			= wallclock_init_noop,
 	.get_wallclock			= mach_get_cmos_time,
 	.set_wallclock			= mach_set_rtc_mmss,
 	.iommu_shutdown			= iommu_shutdown_noop,
-- 
GitLab


From bb84ac2d3a603f8f6c7cc553a260e8ceaf871df2 Mon Sep 17 00:00:00 2001
From: Jacob Pan <jacob.jun.pan@linux.intel.com>
Date: Thu, 10 Nov 2011 13:42:21 +0000
Subject: [PATCH 0358/1594] x86/apic: Do not clear nr_irqs_gsi if no legacy
 irqs

nr_legacy_irqs is set in probe_nr_irqs_gsi, we should not clear
it after that. Otherwise, the result is that MSI irqs will be
allocated from the wrong range for the systems without legacy
PIC.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic/io_apic.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 3c31fa98af6d..841b8da40525 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -193,10 +193,8 @@ int __init arch_early_irq_init(void)
 	struct irq_cfg *cfg;
 	int count, node, i;
 
-	if (!legacy_pic->nr_legacy_irqs) {
-		nr_irqs_gsi = 0;
+	if (!legacy_pic->nr_legacy_irqs)
 		io_apic_irqs = ~0UL;
-	}
 
 	for (i = 0; i < nr_ioapics; i++) {
 		ioapics[i].saved_registers =
-- 
GitLab


From 1ade93efd0a3dda5b0c0afda8ab8f4bd12938c1b Mon Sep 17 00:00:00 2001
From: Jacob Pan <jacob.jun.pan@intel.com>
Date: Thu, 10 Nov 2011 13:42:40 +0000
Subject: [PATCH 0359/1594] x86/apic: Allow use of lapic timer early
 calibration result

lapic timer calibration can be combined with tsc in platform
specific calibration functions. if such calibration result is
obtained early, we can skip the redundant calibration loops.

Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/apic.h |  1 +
 arch/x86/kernel/apic/apic.c | 33 ++++++++++++++++++++++++++-------
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 9b7273cb2193..1a6c09af048f 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -49,6 +49,7 @@ extern unsigned int apic_verbosity;
 extern int local_apic_timer_c2_ok;
 
 extern int disable_apic;
+extern unsigned int lapic_timer_frequency;
 
 #ifdef CONFIG_SMP
 extern void __inquire_remote_apic(int apicid);
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index a2fd72e0ab35..f98d84caf94c 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -186,7 +186,7 @@ static struct resource lapic_resource = {
 	.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
 };
 
-static unsigned int calibration_result;
+unsigned int lapic_timer_frequency = 0;
 
 static void apic_pm_activate(void);
 
@@ -454,7 +454,7 @@ static void lapic_timer_setup(enum clock_event_mode mode,
 	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
 	case CLOCK_EVT_MODE_ONESHOT:
-		__setup_APIC_LVTT(calibration_result,
+		__setup_APIC_LVTT(lapic_timer_frequency,
 				  mode != CLOCK_EVT_MODE_PERIODIC, 1);
 		break;
 	case CLOCK_EVT_MODE_UNUSED:
@@ -638,6 +638,25 @@ static int __init calibrate_APIC_clock(void)
 	long delta, deltatsc;
 	int pm_referenced = 0;
 
+	/**
+	 * check if lapic timer has already been calibrated by platform
+	 * specific routine, such as tsc calibration code. if so, we just fill
+	 * in the clockevent structure and return.
+	 */
+
+	if (lapic_timer_frequency) {
+		apic_printk(APIC_VERBOSE, "lapic timer already calibrated %d\n",
+				lapic_timer_frequency);
+		lapic_clockevent.mult = div_sc(lapic_timer_frequency/APIC_DIVISOR,
+					TICK_NSEC, lapic_clockevent.shift);
+		lapic_clockevent.max_delta_ns =
+			clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
+		lapic_clockevent.min_delta_ns =
+			clockevent_delta2ns(0xF, &lapic_clockevent);
+		lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
+		return 0;
+	}
+
 	local_irq_disable();
 
 	/* Replace the global interrupt handler */
@@ -679,12 +698,12 @@ static int __init calibrate_APIC_clock(void)
 	lapic_clockevent.min_delta_ns =
 		clockevent_delta2ns(0xF, &lapic_clockevent);
 
-	calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
+	lapic_timer_frequency = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
 
 	apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta);
 	apic_printk(APIC_VERBOSE, "..... mult: %u\n", lapic_clockevent.mult);
 	apic_printk(APIC_VERBOSE, "..... calibration result: %u\n",
-		    calibration_result);
+		    lapic_timer_frequency);
 
 	if (cpu_has_tsc) {
 		apic_printk(APIC_VERBOSE, "..... CPU clock speed is "
@@ -695,13 +714,13 @@ static int __init calibrate_APIC_clock(void)
 
 	apic_printk(APIC_VERBOSE, "..... host bus clock speed is "
 		    "%u.%04u MHz.\n",
-		    calibration_result / (1000000 / HZ),
-		    calibration_result % (1000000 / HZ));
+		    lapic_timer_frequency / (1000000 / HZ),
+		    lapic_timer_frequency % (1000000 / HZ));
 
 	/*
 	 * Do a sanity check on the APIC calibration result
 	 */
-	if (calibration_result < (1000000 / HZ)) {
+	if (lapic_timer_frequency < (1000000 / HZ)) {
 		local_irq_enable();
 		pr_warning("APIC frequency too slow, disabling apic timer\n");
 		return -1;
-- 
GitLab


From 0a9153261d54c432bc0bdc88607f24c835ac729c Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.brandewie@gmail.com>
Date: Thu, 10 Nov 2011 13:42:53 +0000
Subject: [PATCH 0360/1594] x86/mrst: Add support for Penwell clock calibration

Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/mrst.h   |  7 +++++++
 arch/x86/platform/mrst/mrst.c | 33 ++++++++++++++++++++++++++++-----
 2 files changed, 35 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
index 719f00b28ff5..e6283129c821 100644
--- a/arch/x86/include/asm/mrst.h
+++ b/arch/x86/include/asm/mrst.h
@@ -44,6 +44,13 @@ enum mrst_timer_options {
 
 extern enum mrst_timer_options mrst_timer_options;
 
+/*
+ * Penwell uses spread spectrum clock, so the freq number is not exactly
+ * the same as reported by MSR based on SDM.
+ */
+#define PENWELL_FSB_FREQ_83SKU         83200
+#define PENWELL_FSB_FREQ_100SKU        99840
+
 #define SFI_MTMR_MAX_NUM 8
 #define SFI_MRTC_MAX	8
 
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 6ed7afdaf4af..b7f14e5b2c66 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -187,11 +187,34 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table)
 static unsigned long __init mrst_calibrate_tsc(void)
 {
 	unsigned long flags, fast_calibrate;
-
-	local_irq_save(flags);
-	fast_calibrate = apbt_quick_calibrate();
-	local_irq_restore(flags);
-
+	if (__mrst_cpu_chip == MRST_CPU_CHIP_PENWELL) {
+		u32 lo, hi, ratio, fsb;
+
+		rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
+		pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi);
+		ratio = (hi >> 8) & 0x1f;
+		pr_debug("ratio is %d\n", ratio);
+		if (!ratio) {
+			pr_err("read a zero ratio, should be incorrect!\n");
+			pr_err("force tsc ratio to 16 ...\n");
+			ratio = 16;
+		}
+		rdmsr(MSR_FSB_FREQ, lo, hi);
+		if ((lo & 0x7) == 0x7)
+			fsb = PENWELL_FSB_FREQ_83SKU;
+		else
+			fsb = PENWELL_FSB_FREQ_100SKU;
+		fast_calibrate = ratio * fsb;
+		pr_debug("read penwell tsc %lu khz\n", fast_calibrate);
+		lapic_timer_frequency = fsb * 1000 / HZ;
+		/* mark tsc clocksource as reliable */
+		set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE);
+	} else {
+		local_irq_save(flags);
+		fast_calibrate = apbt_quick_calibrate();
+		local_irq_restore(flags);
+	}
+	
 	if (fast_calibrate)
 		return fast_calibrate;
 
-- 
GitLab


From 064a59b6dd1f341cc478c212bb436e3da9cb8d04 Mon Sep 17 00:00:00 2001
From: Jacob Pan <jacob.jun.pan@linux.intel.com>
Date: Thu, 10 Nov 2011 13:43:05 +0000
Subject: [PATCH 0361/1594] x86/mrst: Avoid reporting wrong nmi status

Moorestown/Medfield platform does not have port 0x61 to report
NMI status, nor does it have external NMI sources. The only NMI
sources are from lapic, as results of perf counter overflow or
IPI, e.g. NMI watchdog or spin lock debug.

Reading port 0x61 on Moorestown will return 0xff which misled
NMI handlers to false critical errors such memory parity error.
The subsequent ioport access for NMI handling can also cause
undefined behavior on Moorestown.

This patch allows kernel process NMI due to watchdog or backrace
dump without unnecessary hangs.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
[hand applied]
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
 arch/x86/include/asm/mach_traps.h |  2 +-
 arch/x86/include/asm/x86_init.h   |  1 +
 arch/x86/kernel/nmi.c             |  2 +-
 arch/x86/kernel/x86_init.c        |  2 ++
 arch/x86/platform/mrst/mrst.c     | 13 +++++++++++++
 5 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h
index 72a8b52e7dfd..a01e7ec7d237 100644
--- a/arch/x86/include/asm/mach_traps.h
+++ b/arch/x86/include/asm/mach_traps.h
@@ -17,7 +17,7 @@
 #define NMI_REASON_CLEAR_IOCHK	0x08
 #define NMI_REASON_CLEAR_MASK	0x0f
 
-static inline unsigned char get_nmi_reason(void)
+static inline unsigned char default_get_nmi_reason(void)
 {
 	return inb(NMI_REASON_PORT);
 }
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index f864fbe474c6..1971e652d24b 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -167,6 +167,7 @@ struct x86_platform_ops {
 	void (*iommu_shutdown)(void);
 	bool (*is_untracked_pat_range)(u64 start, u64 end);
 	void (*nmi_init)(void);
+	unsigned char (*get_nmi_reason)(void);
 	int (*i8042_detect)(void);
 };
 
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index b9c8628974af..27d1e7cbdb6c 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -348,7 +348,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
 
 	/* Non-CPU-specific NMI: NMI sources can be processed on any CPU */
 	raw_spin_lock(&nmi_reason_lock);
-	reason = get_nmi_reason();
+	reason = x86_platform.get_nmi_reason();
 
 	if (reason & NMI_REASON_MASK) {
 		if (reason & NMI_REASON_SERR)
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 701c7be442f1..c1d6cd549397 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -21,6 +21,7 @@
 #include <asm/pat.h>
 #include <asm/tsc.h>
 #include <asm/iommu.h>
+#include <asm/mach_traps.h>
 
 void __cpuinit x86_init_noop(void) { }
 void __init x86_init_uint_noop(unsigned int unused) { }
@@ -104,6 +105,7 @@ struct x86_platform_ops x86_platform = {
 	.iommu_shutdown			= iommu_shutdown_noop,
 	.is_untracked_pat_range		= is_ISA_range,
 	.nmi_init			= default_nmi_init,
+	.get_nmi_reason			= default_get_nmi_reason,
 	.i8042_detect			= default_i8042_detect
 };
 
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index b7f14e5b2c66..9b9ee292c107 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -276,6 +276,17 @@ static void mrst_reboot(void)
 	intel_scu_ipc_simple_command(0xf1, 0);
 }
 
+/*
+ * Moorestown does not have external NMI source nor port 0x61 to report
+ * NMI status. The possible NMI sources are from pmu as a result of NMI
+ * watchdog or lock debug. Reading io port 0x61 results in 0xff which
+ * misled NMI handler.
+ */
+static unsigned char mrst_get_nmi_reason(void)
+{
+	return 0;
+}
+
 /*
  * Moorestown specific x86_init function overrides and early setup
  * calls.
@@ -297,6 +308,8 @@ void __init x86_mrst_early_setup(void)
 	x86_platform.calibrate_tsc = mrst_calibrate_tsc;
 	x86_platform.i8042_detect = mrst_i8042_detect;
 	x86_init.timers.wallclock_init = mrst_rtc_init;
+	x86_platform.get_nmi_reason = mrst_get_nmi_reason;
+
 	x86_init.pci.init = pci_mrst_init;
 	x86_init.pci.fixup_irqs = x86_init_noop;
 
-- 
GitLab


From 181a9d795ab763b03b15f73402691abde98d1803 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 4 Nov 2011 21:25:01 +0300
Subject: [PATCH 0362/1594] [SCSI] mpt2sas: add missing allocation.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

There was supposed to be a kzalloc() here and the compiler complained
about it.
mpt2sas_scsih.c: In function ‘mpt2sas_scsih_reset_handler’:
mpt2sas_scsih.c:2807:21: warning: ‘fw_event’ may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 8889b1babcac..4e041f6d808c 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2802,6 +2802,11 @@ _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc)
 
 	if (ioc->is_driver_loading)
 		return;
+
+	fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
+	if (!fw_event)
+		return;
+
 	fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES;
 	fw_event->ioc = ioc;
 	_scsih_fw_event_add(ioc, fw_event);
-- 
GitLab


From 4415e63b13c68c2f56d16d400a1ae345f68cf655 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 9 Nov 2011 09:57:50 -0800
Subject: [PATCH 0363/1594] drm/i915: Module parameters using '-1' as default
 must be signed type

Testing i915_panel_use_ssc for the default value was broken, so the
driver would never autodetect the correct value.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by:   Michel Alexandre Salim <salimma@fedoraproject.org>
Tested-by:     Michel Alexandre Salim <salimma@fedoraproject.org>
Cc: stable@kernel.org
---
 drivers/gpu/drm/i915/i915_drv.c | 4 ++--
 drivers/gpu/drm/i915/i915_drv.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 548e04bade3c..13488be4ae4b 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -67,7 +67,7 @@ module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
 MODULE_PARM_DESC(i915_enable_rc6,
 		"Enable power-saving render C-state 6 (default: true)");
 
-unsigned int i915_enable_fbc __read_mostly = -1;
+int i915_enable_fbc __read_mostly = -1;
 module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
 MODULE_PARM_DESC(i915_enable_fbc,
 		"Enable frame buffer compression for power savings "
@@ -79,7 +79,7 @@ MODULE_PARM_DESC(lvds_downclock,
 		"Use panel (LVDS/eDP) downclocking for power savings "
 		"(default: false)");
 
-unsigned int i915_panel_use_ssc __read_mostly = -1;
+int i915_panel_use_ssc __read_mostly = -1;
 module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600);
 MODULE_PARM_DESC(lvds_use_ssc,
 		"Use Spread Spectrum Clock with panels [LVDS/eDP] "
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d2da91f90252..4a9c1b979804 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1000,10 +1000,10 @@ extern int i915_panel_ignore_lid __read_mostly;
 extern unsigned int i915_powersave __read_mostly;
 extern unsigned int i915_semaphores __read_mostly;
 extern unsigned int i915_lvds_downclock __read_mostly;
-extern unsigned int i915_panel_use_ssc __read_mostly;
+extern int i915_panel_use_ssc __read_mostly;
 extern int i915_vbt_sdvo_panel_type __read_mostly;
 extern unsigned int i915_enable_rc6 __read_mostly;
-extern unsigned int i915_enable_fbc __read_mostly;
+extern int i915_enable_fbc __read_mostly;
 extern bool i915_enable_hangcheck __read_mostly;
 
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
-- 
GitLab


From 6fd36ba02132c61f67ebefff77fe710bd38ba95a Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Thu, 10 Nov 2011 13:45:24 +0000
Subject: [PATCH 0364/1594] x86, ioapic: Only print ioapic debug information
 for IRQs belonging to an ioapic chip

with "apic=verbose" the print_IO_APIC() function tries to print
IRQ to pin mappings for every active irq. It assumes chip_data
is of type irq_cfg and may cause an oops if not.

As the print_IO_APIC() is called from a late_initcall other
chained irq chips may already be registered with custom
chip_data information, causing an oops. This is the case with
intel MID SoC devices with gpio demuxers registered as irq_chips.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
[ -v2: fixed build failure ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic/io_apic.c | 5 +++++
 arch/x86/kernel/nmi.c          | 1 +
 2 files changed, 6 insertions(+)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 841b8da40525..6d939d7847e2 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1694,6 +1694,7 @@ __apicdebuginit(void) print_IO_APICs(void)
 	int ioapic_idx;
 	struct irq_cfg *cfg;
 	unsigned int irq;
+	struct irq_chip *chip;
 
 	printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
 	for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++)
@@ -1714,6 +1715,10 @@ __apicdebuginit(void) print_IO_APICs(void)
 	for_each_active_irq(irq) {
 		struct irq_pin_list *entry;
 
+		chip = irq_get_chip(irq);
+		if (chip != &ioapic_chip)
+			continue;
+
 		cfg = irq_get_chip_data(irq);
 		if (!cfg)
 			continue;
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 27d1e7cbdb6c..e88f37b58ddd 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -29,6 +29,7 @@
 #include <asm/traps.h>
 #include <asm/mach_traps.h>
 #include <asm/nmi.h>
+#include <asm/x86_init.h>
 
 #define NMI_MAX_NAMELEN	16
 struct nmiaction {
-- 
GitLab


From 54b2edf487d497cc522bce91b3bd79538f001d13 Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Thu, 10 Nov 2011 17:59:45 +0000
Subject: [PATCH 0365/1594] MIPS: errloongson2_clock: Fix build error by
 including linux/module.h

Fix the following compilation failure with v3.2-rc1 by including module.h:

  CC [M]  arch/mips/kernel/cpufreq/loongson2_clock.o
arch/mips/kernel/cpufreq/loongson2_clock.c:39:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:39:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:39:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:51:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:51:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:51:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:71:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:71:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:71:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:76:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:76:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:76:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:82:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:82:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:82:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:87:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:87:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:87:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:93:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:93:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:93:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:131:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:131:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:131:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:147:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:147:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:147:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:166:1: error: data definition has no type or storage class [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:166:1: error: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' [-Werror=implicit-int]
arch/mips/kernel/cpufreq/loongson2_clock.c:166:1: error: parameter names (without types) in function declaration [-Werror]
arch/mips/kernel/cpufreq/loongson2_clock.c:168:15: error: expected declaration specifiers or '...' before string constant
arch/mips/kernel/cpufreq/loongson2_clock.c:169:20: error: expected declaration specifiers or '...' before string constant
arch/mips/kernel/cpufreq/loongson2_clock.c:170:16: error: expected declaration specifiers or '...' before string constant

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
To: linux-mips@linux-mips.org
To: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/2922/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/cpufreq/loongson2_clock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/kernel/cpufreq/loongson2_clock.c b/arch/mips/kernel/cpufreq/loongson2_clock.c
index cefc6e259baf..5426779d9fdb 100644
--- a/arch/mips/kernel/cpufreq/loongson2_clock.c
+++ b/arch/mips/kernel/cpufreq/loongson2_clock.c
@@ -7,6 +7,7 @@
  * for more details.
  */
 
+#include <linux/module.h>
 #include <linux/cpufreq.h>
 #include <linux/platform_device.h>
 
-- 
GitLab


From b2f909419b72cf043814bf17b96c93d4695378a1 Mon Sep 17 00:00:00 2001
From: David Daney <david.daney@cavium.com>
Date: Thu, 10 Nov 2011 17:59:45 +0000
Subject: [PATCH 0366/1594] MIPS: Octeon: Fix compile error in
 arch/mips/cavium-octeon/flash_setup.c

The parse_mtd_partitions() and mtd_device_register() functions were
combined into mtd_device_parse_register().  So call that instead.

Signed-off-by: David Daney <david.daney@cavium.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2923/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/cavium-octeon/flash_setup.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c
index 975c20327bb1..0a430e06f5e5 100644
--- a/arch/mips/cavium-octeon/flash_setup.c
+++ b/arch/mips/cavium-octeon/flash_setup.c
@@ -17,8 +17,6 @@
 
 static struct map_info flash_map;
 static struct mtd_info *mymtd;
-static int nr_parts;
-static struct mtd_partition *parts;
 static const char *part_probe_types[] = {
 	"cmdlinepart",
 #ifdef CONFIG_MTD_REDBOOT_PARTS
@@ -61,11 +59,8 @@ static int __init flash_init(void)
 		mymtd = do_map_probe("cfi_probe", &flash_map);
 		if (mymtd) {
 			mymtd->owner = THIS_MODULE;
-
-			nr_parts = parse_mtd_partitions(mymtd,
-							part_probe_types,
-							&parts, 0);
-			mtd_device_register(mymtd, parts, nr_parts);
+			mtd_device_parse_register(mymtd, part_probe_types,
+						  0, NULL, 0);
 		} else {
 			pr_err("Failed to register MTD device for flash\n");
 		}
-- 
GitLab


From 5c200197130e307de6eba72fc335c83c9dd6a5bc Mon Sep 17 00:00:00 2001
From: Maksim Rayskiy <maksim.rayskiy@gmail.com>
Date: Thu, 10 Nov 2011 17:59:45 +0000
Subject: [PATCH 0367/1594] MIPS: ASID conflict after CPU hotplug

I am running SMP Linux 2.6.37-rc1 on BMIPS5000 (single core dual thread)
and observe some abnormalities when doing system suspend/resume which I
narrowed down to cpu hotplugging. The suspend brings the second thread
processor down and then restarts it, after which I see memory corruption
in userspace. I started digging and found out that problem occurs because
while doing execve() the child process is getting the same ASID as the
parent, which obviously corrupts parent's address space.

Further digging showed that activate_mm() calls get_new_mmu_context() to
get a new ASID, but at this time ASID field in entryHi is 1, and
asid_cache(cpu) is 0x100 (it was just reset to ASID_FIRST_VERSION when
the secondary TP was booting).

So, get_new_mmu_context() increments the asid_cache(cpu) value to
0x101, and thus puts 0x01 into entryHi. The result - ASID field does
not get changed as it was supposed to.

My solution is very simple - do not reset asid_cache(cpu) on TP warm
restart.

Patchwork: https://patchwork.linux-mips.org/patch/1797/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/traps.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 261ccbc07740..5c8a49d55054 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1596,7 +1596,8 @@ void __cpuinit per_cpu_trap_init(void)
 	}
 #endif /* CONFIG_MIPS_MT_SMTC */
 
-	cpu_data[cpu].asid_cache = ASID_FIRST_VERSION;
+	if (!cpu_data[cpu].asid_cache)
+		cpu_data[cpu].asid_cache = ASID_FIRST_VERSION;
 
 	atomic_inc(&init_mm.mm_count);
 	current->active_mm = &init_mm;
-- 
GitLab


From 43df2a57b773596cd0bdd2316889ff9653121015 Mon Sep 17 00:00:00 2001
From: Thomas Meyer <thomas@m3y3r.de>
Date: Thu, 10 Nov 2011 19:38:43 +0100
Subject: [PATCH 0368/1594] ALSA: usb-audio: Use kmemdup rather than
 duplicating its implementation

Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/quirks.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 2e5bc7344026..a3ddac0deffd 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -137,12 +137,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
 		return -ENOMEM;
 	}
 	if (fp->nr_rates > 0) {
-		rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL);
+		rate_table = kmemdup(fp->rate_table,
+				     sizeof(int) * fp->nr_rates, GFP_KERNEL);
 		if (!rate_table) {
 			kfree(fp);
 			return -ENOMEM;
 		}
-		memcpy(rate_table, fp->rate_table, sizeof(int) * fp->nr_rates);
 		fp->rate_table = rate_table;
 	}
 
@@ -224,10 +224,9 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
 	if (altsd->bNumEndpoints != 1)
 		return -ENXIO;
 
-	fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+	fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
 	if (!fp)
 		return -ENOMEM;
-	memcpy(fp, &ua_format, sizeof(*fp));
 
 	fp->iface = altsd->bInterfaceNumber;
 	fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
-- 
GitLab


From d65670a78cdbfae94f20a9e05ec705871d7cdf2b Mon Sep 17 00:00:00 2001
From: John Stultz <john.stultz@linaro.org>
Date: Mon, 31 Oct 2011 17:06:35 -0400
Subject: [PATCH 0369/1594] clocksource: Avoid selecting mult values that might
 overflow when adjusted

For some frequencies, the clocks_calc_mult_shift() function will
unfortunately select mult values very close to 0xffffffff.  This
has the potential to overflow when NTP adjusts the clock, adding
to the mult value.

This patch adds a clocksource.maxadj value, which provides
an approximation of an 11% adjustment(NTP limits adjustments to
500ppm and the tick adjustment is limited to 10%), which could
be made to the clocksource.mult value. This is then used to both
check that the current mult value won't overflow/underflow, as
well as warning us if the timekeeping_adjust() code pushes over
that 11% boundary.

v2: Fix max_adjustment calculation, and improve WARN_ONCE
messages.

v3: Don't warn before maxadj has actually been set

CC: Yong Zhang <yong.zhang0@gmail.com>
CC: David Daney <ddaney.cavm@gmail.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Chen Jie <chenj@lemote.com>
CC: zhangfx <zhangfx@lemote.com>
CC: stable@kernel.org
Reported-by: Chen Jie <chenj@lemote.com>
Reported-by: zhangfx <zhangfx@lemote.com>
Tested-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 include/linux/clocksource.h |  3 +-
 kernel/time/clocksource.c   | 58 ++++++++++++++++++++++++++++++-------
 kernel/time/timekeeping.c   |  7 +++++
 3 files changed, 57 insertions(+), 11 deletions(-)

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 139c4db55f17..c86c940d1de3 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -156,6 +156,7 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
  * @mult:		cycle to nanosecond multiplier
  * @shift:		cycle to nanosecond divisor (power of two)
  * @max_idle_ns:	max idle time permitted by the clocksource (nsecs)
+ * @maxadj		maximum adjustment value to mult (~11%)
  * @flags:		flags describing special properties
  * @archdata:		arch-specific data
  * @suspend:		suspend function for the clocksource, if necessary
@@ -172,7 +173,7 @@ struct clocksource {
 	u32 mult;
 	u32 shift;
 	u64 max_idle_ns;
-
+	u32 maxadj;
 #ifdef CONFIG_ARCH_CLOCKSOURCE_DATA
 	struct arch_clocksource_data archdata;
 #endif
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index cf52fda2e096..cfc65e1eb9fb 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -491,6 +491,22 @@ void clocksource_touch_watchdog(void)
 	clocksource_resume_watchdog();
 }
 
+/**
+ * clocksource_max_adjustment- Returns max adjustment amount
+ * @cs:         Pointer to clocksource
+ *
+ */
+static u32 clocksource_max_adjustment(struct clocksource *cs)
+{
+	u64 ret;
+	/*
+	 * We won't try to correct for more then 11% adjustments (110,000 ppm),
+	 */
+	ret = (u64)cs->mult * 11;
+	do_div(ret,100);
+	return (u32)ret;
+}
+
 /**
  * clocksource_max_deferment - Returns max time the clocksource can be deferred
  * @cs:         Pointer to clocksource
@@ -503,25 +519,28 @@ static u64 clocksource_max_deferment(struct clocksource *cs)
 	/*
 	 * Calculate the maximum number of cycles that we can pass to the
 	 * cyc2ns function without overflowing a 64-bit signed result. The
-	 * maximum number of cycles is equal to ULLONG_MAX/cs->mult which
-	 * is equivalent to the below.
-	 * max_cycles < (2^63)/cs->mult
-	 * max_cycles < 2^(log2((2^63)/cs->mult))
-	 * max_cycles < 2^(log2(2^63) - log2(cs->mult))
-	 * max_cycles < 2^(63 - log2(cs->mult))
-	 * max_cycles < 1 << (63 - log2(cs->mult))
+	 * maximum number of cycles is equal to ULLONG_MAX/(cs->mult+cs->maxadj)
+	 * which is equivalent to the below.
+	 * max_cycles < (2^63)/(cs->mult + cs->maxadj)
+	 * max_cycles < 2^(log2((2^63)/(cs->mult + cs->maxadj)))
+	 * max_cycles < 2^(log2(2^63) - log2(cs->mult + cs->maxadj))
+	 * max_cycles < 2^(63 - log2(cs->mult + cs->maxadj))
+	 * max_cycles < 1 << (63 - log2(cs->mult + cs->maxadj))
 	 * Please note that we add 1 to the result of the log2 to account for
 	 * any rounding errors, ensure the above inequality is satisfied and
 	 * no overflow will occur.
 	 */
-	max_cycles = 1ULL << (63 - (ilog2(cs->mult) + 1));
+	max_cycles = 1ULL << (63 - (ilog2(cs->mult + cs->maxadj) + 1));
 
 	/*
 	 * The actual maximum number of cycles we can defer the clocksource is
 	 * determined by the minimum of max_cycles and cs->mask.
+	 * Note: Here we subtract the maxadj to make sure we don't sleep for
+	 * too long if there's a large negative adjustment.
 	 */
 	max_cycles = min_t(u64, max_cycles, (u64) cs->mask);
-	max_nsecs = clocksource_cyc2ns(max_cycles, cs->mult, cs->shift);
+	max_nsecs = clocksource_cyc2ns(max_cycles, cs->mult - cs->maxadj,
+					cs->shift);
 
 	/*
 	 * To ensure that the clocksource does not wrap whilst we are idle,
@@ -640,7 +659,6 @@ static void clocksource_enqueue(struct clocksource *cs)
 void __clocksource_updatefreq_scale(struct clocksource *cs, u32 scale, u32 freq)
 {
 	u64 sec;
-
 	/*
 	 * Calc the maximum number of seconds which we can run before
 	 * wrapping around. For clocksources which have a mask > 32bit
@@ -661,6 +679,20 @@ void __clocksource_updatefreq_scale(struct clocksource *cs, u32 scale, u32 freq)
 
 	clocks_calc_mult_shift(&cs->mult, &cs->shift, freq,
 			       NSEC_PER_SEC / scale, sec * scale);
+
+	/*
+	 * for clocksources that have large mults, to avoid overflow.
+	 * Since mult may be adjusted by ntp, add an safety extra margin
+	 *
+	 */
+	cs->maxadj = clocksource_max_adjustment(cs);
+	while ((cs->mult + cs->maxadj < cs->mult)
+		|| (cs->mult - cs->maxadj > cs->mult)) {
+		cs->mult >>= 1;
+		cs->shift--;
+		cs->maxadj = clocksource_max_adjustment(cs);
+	}
+
 	cs->max_idle_ns = clocksource_max_deferment(cs);
 }
 EXPORT_SYMBOL_GPL(__clocksource_updatefreq_scale);
@@ -701,6 +733,12 @@ EXPORT_SYMBOL_GPL(__clocksource_register_scale);
  */
 int clocksource_register(struct clocksource *cs)
 {
+	/* calculate max adjustment for given mult/shift */
+	cs->maxadj = clocksource_max_adjustment(cs);
+	WARN_ONCE(cs->mult + cs->maxadj < cs->mult,
+		"Clocksource %s might overflow on 11%% adjustment\n",
+		cs->name);
+
 	/* calculate max idle time permitted for this clocksource */
 	cs->max_idle_ns = clocksource_max_deferment(cs);
 
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 2b021b0e8507..e65ff3171102 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -820,6 +820,13 @@ static void timekeeping_adjust(s64 offset)
 	} else
 		return;
 
+	WARN_ONCE(timekeeper.clock->maxadj &&
+			(timekeeper.mult + adj > timekeeper.clock->mult +
+						timekeeper.clock->maxadj),
+			"Adjusting %s more then 11%% (%ld vs %ld)\n",
+			timekeeper.clock->name, (long)timekeeper.mult + adj,
+			(long)timekeeper.clock->mult +
+				timekeeper.clock->maxadj);
 	timekeeper.mult += adj;
 	timekeeper.xtime_interval += interval;
 	timekeeper.xtime_nsec -= offset;
-- 
GitLab


From 2aa13531bbbc6582874bedfcd853e1058b0fb4f9 Mon Sep 17 00:00:00 2001
From: Stanislav Kinsbursky <skinsbursky@parallels.com>
Date: Thu, 10 Nov 2011 14:33:23 +0300
Subject: [PATCH 0370/1594] SUNRPC: destroy freshly allocated transport in case
 of sockaddr init error

Otherwise we will leak xprt structure and struct net reference.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 net/sunrpc/xprtsock.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index d7f97ef26590..2d78d95955ab 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2530,8 +2530,10 @@ static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args,
 		int err;
 		err = xs_init_anyaddr(args->dstaddr->sa_family,
 					(struct sockaddr *)&new->srcaddr);
-		if (err != 0)
+		if (err != 0) {
+			xprt_free(xprt);
 			return ERR_PTR(err);
+		}
 	}
 
 	return xprt;
-- 
GitLab


From 62e4a76987eab2b7fa952546614bc83e5bfc9d3e Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 10 Nov 2011 14:30:37 -0500
Subject: [PATCH 0371/1594] NFS: Revert pnfs ugliness from the generic NFS read
 code path

pNFS-specific code belongs in the pnfs layer. It should not be
hijacking generic NFS read or write code paths.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/internal.h |  2 ++
 fs/nfs/pnfs.c     | 26 +++++++++++++++++++++-----
 fs/nfs/read.c     | 14 ++------------
 3 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index c1a1bd8ddf1c..3f4d95751d52 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -299,6 +299,8 @@ extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
 extern int nfs_generic_pagein(struct nfs_pageio_descriptor *desc,
 		struct list_head *head);
 
+extern void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio,
+		struct inode *inode);
 extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
 extern void nfs_readdata_release(struct nfs_read_data *rdata);
 
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index a2478bc74442..e40a3ca22eaf 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1259,6 +1259,25 @@ pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
 }
 EXPORT_SYMBOL_GPL(pnfs_generic_pg_writepages);
 
+static void pnfs_ld_handle_read_error(struct nfs_read_data *data)
+{
+	struct nfs_pageio_descriptor pgio;
+
+	put_lseg(data->lseg);
+	data->lseg = NULL;
+	dprintk("pnfs write error = %d\n", data->pnfs_error);
+
+	nfs_pageio_init_read_mds(&pgio, data->inode);
+
+	while (!list_empty(&data->pages)) {
+		struct nfs_page *req = nfs_list_entry(data->pages.next);
+
+		nfs_list_remove_request(req);
+		nfs_pageio_add_request(&pgio, req);
+	}
+	nfs_pageio_complete(&pgio);
+}
+
 /*
  * Called by non rpc-based layout drivers
  */
@@ -1267,11 +1286,8 @@ void pnfs_ld_read_done(struct nfs_read_data *data)
 	if (likely(!data->pnfs_error)) {
 		__nfs4_read_done_cb(data);
 		data->mds_ops->rpc_call_done(&data->task, data);
-	} else {
-		put_lseg(data->lseg);
-		data->lseg = NULL;
-		dprintk("pnfs write error = %d\n", data->pnfs_error);
-	}
+	} else
+		pnfs_ld_handle_read_error(data);
 	data->mds_ops->rpc_release(data);
 }
 EXPORT_SYMBOL_GPL(pnfs_ld_read_done);
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 8b48ec63f722..cfa175c223dc 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -109,7 +109,7 @@ static void nfs_readpage_truncate_uninitialised_page(struct nfs_read_data *data)
 	}
 }
 
-static void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio,
+void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio,
 		struct inode *inode)
 {
 	nfs_pageio_init(pgio, inode, &nfs_pageio_read_ops,
@@ -534,23 +534,13 @@ static void nfs_readpage_result_full(struct rpc_task *task, void *calldata)
 static void nfs_readpage_release_full(void *calldata)
 {
 	struct nfs_read_data *data = calldata;
-	struct nfs_pageio_descriptor pgio;
 
-	if (data->pnfs_error) {
-		nfs_pageio_init_read_mds(&pgio, data->inode);
-		pgio.pg_recoalesce = 1;
-	}
 	while (!list_empty(&data->pages)) {
 		struct nfs_page *req = nfs_list_entry(data->pages.next);
 
 		nfs_list_remove_request(req);
-		if (!data->pnfs_error)
-			nfs_readpage_release(req);
-		else
-			nfs_pageio_add_request(&pgio, req);
+		nfs_readpage_release(req);
 	}
-	if (data->pnfs_error)
-		nfs_pageio_complete(&pgio);
 	nfs_readdata_release(calldata);
 }
 
-- 
GitLab


From 7be620f79714b6598275bd5c71d89bb24dfe332e Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Thu, 10 Nov 2011 12:12:55 -0800
Subject: [PATCH 0372/1594] ARM: OMAP: Fix dpll_data compile error when omap2
 only is selected

Without this patch we get the following error:

arch/arm/mach-omap2/clkt_dpll.c: In function '_dpll_test_fint':
arch/arm/mach-omap2/clkt_dpll.c:98: error: 'struct dpll_data' has no member named 'flags'

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/plat-omap/include/plat/clock.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 197ca03c3f7d..eb73ab40e955 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -165,8 +165,8 @@ struct dpll_data {
 	u8			auto_recal_bit;
 	u8			recal_en_bit;
 	u8			recal_st_bit;
-	u8			flags;
 #  endif
+	u8			flags;
 };
 
 #endif
-- 
GitLab


From 2d5fcc986da944bca8257f358b155eec79fc4120 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <cbouatmailru@gmail.com>
Date: Thu, 10 Nov 2011 20:28:59 +0400
Subject: [PATCH 0373/1594] pata_of_platform: Don't use NO_IRQ

Drivers should not use NO_IRQ; moreover, some architectures don't
have it nowadays. '0' is the 'no irq' case.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/pata_of_platform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c
index a72ab0dde4e5..2a472c5bb7db 100644
--- a/drivers/ata/pata_of_platform.c
+++ b/drivers/ata/pata_of_platform.c
@@ -52,7 +52,7 @@ static int __devinit pata_of_platform_probe(struct platform_device *ofdev)
 	}
 
 	ret = of_irq_to_resource(dn, 0, &irq_res);
-	if (ret == NO_IRQ)
+	if (!ret)
 		irq_res.start = irq_res.end = 0;
 	else
 		irq_res.flags = 0;
-- 
GitLab


From 3acc84739dd5d746840f881ad4d60bd2a428f1dd Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 3 Nov 2011 23:46:07 +1100
Subject: [PATCH 0374/1594] crypto: algapi - Fix build problem with NET
 disabled

The report functions use NLA_PUT so we need to ensure that NET
is enabled.

Reported-by: Luis Henriques <henrix@camandro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/ablkcipher.c | 14 ++++++++++++++
 crypto/aead.c       | 14 ++++++++++++++
 crypto/ahash.c      |  7 +++++++
 crypto/blkcipher.c  |  7 +++++++
 crypto/pcompress.c  |  7 +++++++
 crypto/rng.c        |  7 +++++++
 crypto/shash.c      |  7 +++++++
 7 files changed, 63 insertions(+)

diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index a816f24f2d52..a0f768c1d9aa 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -383,6 +383,7 @@ static int crypto_init_ablkcipher_ops(struct crypto_tfm *tfm, u32 type,
 	return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
@@ -404,6 +405,12 @@ static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
@@ -457,6 +464,7 @@ static int crypto_init_givcipher_ops(struct crypto_tfm *tfm, u32 type,
 	return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
@@ -478,6 +486,12 @@ static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
diff --git a/crypto/aead.c b/crypto/aead.c
index 701556ffaaef..04add3dca6fe 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -111,6 +111,7 @@ static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 	return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_aead raead;
@@ -132,6 +133,12 @@ static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
@@ -190,6 +197,7 @@ static int crypto_init_nivaead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 	return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_aead raead;
@@ -210,6 +218,12 @@ static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 
 static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
diff --git a/crypto/ahash.c b/crypto/ahash.c
index a3e6ef99394a..ac93c99cfae8 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -399,6 +399,7 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)
 	return sizeof(struct crypto_shash *);
 }
 
+#ifdef CONFIG_NET
 static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_hash rhash;
@@ -416,6 +417,12 @@ static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 2572d2600136..1e61d1a888b2 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -494,6 +494,7 @@ static int crypto_init_blkcipher_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 		return crypto_init_blkcipher_ops_async(tfm);
 }
 
+#ifdef CONFIG_NET
 static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
@@ -515,6 +516,12 @@ static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
diff --git a/crypto/pcompress.c b/crypto/pcompress.c
index fefda78a6a2a..2e458e5482d0 100644
--- a/crypto/pcompress.c
+++ b/crypto/pcompress.c
@@ -48,6 +48,7 @@ static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm)
 	return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_comp rpcomp;
@@ -62,6 +63,12 @@ static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_pcomp_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
diff --git a/crypto/rng.c b/crypto/rng.c
index feb7de00f437..64f864fa8043 100644
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -60,6 +60,7 @@ static int crypto_init_rng_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 	return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_rng rrng;
@@ -76,6 +77,12 @@ static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_rng_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
diff --git a/crypto/shash.c b/crypto/shash.c
index ea8a9c6e21e3..9100912716ae 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -524,6 +524,7 @@ static unsigned int crypto_shash_extsize(struct crypto_alg *alg)
 	return alg->cra_ctxsize;
 }
 
+#ifdef CONFIG_NET
 static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_hash rhash;
@@ -541,6 +542,12 @@ static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
-- 
GitLab


From 2115133f8b9a8dbdb217d14080814df07ce90479 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 10 Nov 2011 20:39:08 -0500
Subject: [PATCH 0375/1594] Btrfs: tweak the delayed inode reservations again

Josef sent along an incremental to the inode reservation
code to make sure we try and fall back to directly updating
the inode item if things go horribly wrong.

This reworks that patch slightly, adding a fallback function
that will always try to update the inode item directly without
going through the delayed_inode code.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/delayed-inode.c |  9 ++----
 fs/btrfs/inode.c         | 64 +++++++++++++++++++++++++++-------------
 2 files changed, 47 insertions(+), 26 deletions(-)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 313ee14cf3b7..6a1a6800776c 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -692,11 +692,6 @@ static int btrfs_delayed_inode_reserve_metadata(
 
 migrate:
 	ret = btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes);
-	if (unlikely(ret)) {
-		/* This shouldn't happen */
-		BUG_ON(release);
-		return ret;
-	}
 
 out:
 	/*
@@ -712,9 +707,11 @@ out:
 	 * reservation here.  I think it may be time for a documentation page on
 	 * how block rsvs. work.
 	 */
+	if (!ret)
+		node->bytes_reserved = num_bytes;
+
 	if (release)
 		btrfs_block_rsv_release(root, src_rsv, num_bytes);
-	node->bytes_reserved = num_bytes;
 
 	return ret;
 }
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2b920596c126..7d394335bcb5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -93,6 +93,8 @@ static noinline int cow_file_range(struct inode *inode,
 				   struct page *locked_page,
 				   u64 start, u64 end, int *page_started,
 				   unsigned long *nr_written, int unlock);
+static noinline int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
+				struct btrfs_root *root, struct inode *inode);
 
 static int btrfs_init_inode_security(struct btrfs_trans_handle *trans,
 				     struct inode *inode,  struct inode *dir,
@@ -1741,7 +1743,7 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 				trans = btrfs_join_transaction(root);
 			BUG_ON(IS_ERR(trans));
 			trans->block_rsv = &root->fs_info->delalloc_block_rsv;
-			ret = btrfs_update_inode(trans, root, inode);
+			ret = btrfs_update_inode_fallback(trans, root, inode);
 			BUG_ON(ret);
 		}
 		goto out;
@@ -1791,7 +1793,7 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 
 	ret = btrfs_ordered_update_i_size(inode, 0, ordered_extent);
 	if (!ret || !test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags)) {
-		ret = btrfs_update_inode(trans, root, inode);
+		ret = btrfs_update_inode_fallback(trans, root, inode);
 		BUG_ON(ret);
 	}
 	ret = 0;
@@ -2426,7 +2428,7 @@ static void fill_inode_item(struct btrfs_trans_handle *trans,
 /*
  * copy everything in the in-memory inode into the btree.
  */
-noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
+static noinline int btrfs_update_inode_item(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root, struct inode *inode)
 {
 	struct btrfs_inode_item *inode_item;
@@ -2434,21 +2436,6 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
 	struct extent_buffer *leaf;
 	int ret;
 
-	/*
-	 * If the inode is a free space inode, we can deadlock during commit
-	 * if we put it into the delayed code.
-	 *
-	 * The data relocation inode should also be directly updated
-	 * without delay
-	 */
-	if (!btrfs_is_free_space_inode(root, inode)
-	    && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) {
-		ret = btrfs_delayed_update_inode(trans, root, inode);
-		if (!ret)
-			btrfs_set_inode_last_trans(trans, inode);
-		return ret;
-	}
-
 	path = btrfs_alloc_path();
 	if (!path)
 		return -ENOMEM;
@@ -2476,6 +2463,43 @@ failed:
 	return ret;
 }
 
+/*
+ * copy everything in the in-memory inode into the btree.
+ */
+noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
+				struct btrfs_root *root, struct inode *inode)
+{
+	int ret;
+
+	/*
+	 * If the inode is a free space inode, we can deadlock during commit
+	 * if we put it into the delayed code.
+	 *
+	 * The data relocation inode should also be directly updated
+	 * without delay
+	 */
+	if (!btrfs_is_free_space_inode(root, inode)
+	    && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) {
+		ret = btrfs_delayed_update_inode(trans, root, inode);
+		if (!ret)
+			btrfs_set_inode_last_trans(trans, inode);
+		return ret;
+	}
+
+	return btrfs_update_inode_item(trans, root, inode);
+}
+
+static noinline int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
+				struct btrfs_root *root, struct inode *inode)
+{
+	int ret;
+
+	ret = btrfs_update_inode(trans, root, inode);
+	if (ret == -ENOSPC)
+		return btrfs_update_inode_item(trans, root, inode);
+	return ret;
+}
+
 /*
  * unlink helper that gets used here in inode.c and in the tree logging
  * recovery code.  It remove a link in a directory with a given name, and
@@ -5632,7 +5656,7 @@ again:
 	if (test_bit(BTRFS_ORDERED_NOCOW, &ordered->flags)) {
 		ret = btrfs_ordered_update_i_size(inode, 0, ordered);
 		if (!ret)
-			err = btrfs_update_inode(trans, root, inode);
+			err = btrfs_update_inode_fallback(trans, root, inode);
 		goto out;
 	}
 
@@ -5670,7 +5694,7 @@ again:
 	add_pending_csums(trans, inode, ordered->file_offset, &ordered->list);
 	ret = btrfs_ordered_update_i_size(inode, 0, ordered);
 	if (!ret || !test_bit(BTRFS_ORDERED_PREALLOC, &ordered->flags))
-		btrfs_update_inode(trans, root, inode);
+		btrfs_update_inode_fallback(trans, root, inode);
 	ret = 0;
 out_unlock:
 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, ordered->file_offset,
-- 
GitLab


From 924cd8fbe41851eda2b68bf2ed501b2777fd77b4 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 10 Nov 2011 20:45:04 -0500
Subject: [PATCH 0376/1594] Btrfs: fix nocow when deleting the item

btrfs_previous_item() just search the b+ tree, do not COW the nodes or leaves,
if we modify the result of it, the meta-data will be broken. fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/volumes.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index f8e2943101a1..c37433d3cd82 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -999,7 +999,7 @@ static int btrfs_free_dev_extent(struct btrfs_trans_handle *trans,
 	key.objectid = device->devid;
 	key.offset = start;
 	key.type = BTRFS_DEV_EXTENT_KEY;
-
+again:
 	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
 	if (ret > 0) {
 		ret = btrfs_previous_item(root, path, key.objectid,
@@ -1012,6 +1012,9 @@ static int btrfs_free_dev_extent(struct btrfs_trans_handle *trans,
 					struct btrfs_dev_extent);
 		BUG_ON(found_key.offset > start || found_key.offset +
 		       btrfs_dev_extent_length(leaf, extent) < start);
+		key = found_key;
+		btrfs_release_path(path);
+		goto again;
 	} else if (ret == 0) {
 		leaf = path->nodes[0];
 		extent = btrfs_item_ptr(leaf, path->slots[0],
-- 
GitLab


From ba38eb4de354d228f2792f93cde2c748a3a3f3b2 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 10 Nov 2011 20:45:04 -0500
Subject: [PATCH 0377/1594] Btrfs: fix no reserved space for writing out inode
 cache

I-node cache forgets to reserve the space when writing out it. And when
we do some stress test, such as synctest, it will trigger WARN_ON() in
use_block_rsv().

WARNING: at fs/btrfs/extent-tree.c:5718 btrfs_alloc_free_block+0xbf/0x281 [btrfs]()
...
Call Trace:
 [<ffffffff8104df86>] warn_slowpath_common+0x80/0x98
 [<ffffffff8104dfb3>] warn_slowpath_null+0x15/0x17
 [<ffffffffa0369c60>] btrfs_alloc_free_block+0xbf/0x281 [btrfs]
 [<ffffffff810cbcb8>] ? __set_page_dirty_nobuffers+0xfe/0x108
 [<ffffffffa035c040>] __btrfs_cow_block+0x118/0x3b5 [btrfs]
 [<ffffffffa035c7ba>] btrfs_cow_block+0x103/0x14e [btrfs]
 [<ffffffffa035e4c4>] btrfs_search_slot+0x249/0x6a4 [btrfs]
 [<ffffffffa036d086>] btrfs_lookup_inode+0x2a/0x8a [btrfs]
 [<ffffffffa03788b7>] btrfs_update_inode+0xaa/0x141 [btrfs]
 [<ffffffffa036d7ec>] btrfs_save_ino_cache+0xea/0x202 [btrfs]
 [<ffffffffa03a761e>] ? btrfs_update_reloc_root+0x17e/0x197 [btrfs]
 [<ffffffffa0373867>] commit_fs_roots+0xaa/0x158 [btrfs]
 [<ffffffffa03746a6>] btrfs_commit_transaction+0x405/0x731 [btrfs]
 [<ffffffff810690df>] ? wake_up_bit+0x25/0x25
 [<ffffffffa039d652>] ? btrfs_log_dentry_safe+0x43/0x51 [btrfs]
 [<ffffffffa0381c5f>] btrfs_sync_file+0x16a/0x198 [btrfs]
 [<ffffffff81122806>] ? mntput+0x21/0x23
 [<ffffffff8112d150>] vfs_fsync_range+0x18/0x21
 [<ffffffff8112d170>] vfs_fsync+0x17/0x19
 [<ffffffff8112d316>] do_fsync+0x29/0x3e
 [<ffffffff8112d348>] sys_fsync+0xb/0xf
 [<ffffffff81468352>] system_call_fastpath+0x16/0x1b

Sometimes it causes BUG_ON() in the reservation code of the delayed inode
is triggered.

So we must reserve enough space for inode cache.

Note: If we can not reserve the enough space for inode cache, we will
give up writing out it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode-map.c | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index 53dcbdf446cd..f8962a957d65 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -398,6 +398,8 @@ int btrfs_save_ino_cache(struct btrfs_root *root,
 	struct btrfs_free_space_ctl *ctl = root->free_ino_ctl;
 	struct btrfs_path *path;
 	struct inode *inode;
+	struct btrfs_block_rsv *rsv;
+	u64 num_bytes;
 	u64 alloc_hint = 0;
 	int ret;
 	int prealloc;
@@ -421,11 +423,26 @@ int btrfs_save_ino_cache(struct btrfs_root *root,
 	if (!path)
 		return -ENOMEM;
 
+	rsv = trans->block_rsv;
+	trans->block_rsv = &root->fs_info->trans_block_rsv;
+
+	num_bytes = trans->bytes_reserved;
+	/*
+	 * 1 item for inode item insertion if need
+	 * 3 items for inode item update (in the worst case)
+	 * 1 item for free space object
+	 * 3 items for pre-allocation
+	 */
+	trans->bytes_reserved = btrfs_calc_trans_metadata_size(root, 8);
+	ret = btrfs_block_rsv_add_noflush(root, trans->block_rsv,
+					  trans->bytes_reserved);
+	if (ret)
+		goto out;
 again:
 	inode = lookup_free_ino_inode(root, path);
 	if (IS_ERR(inode) && PTR_ERR(inode) != -ENOENT) {
 		ret = PTR_ERR(inode);
-		goto out;
+		goto out_release;
 	}
 
 	if (IS_ERR(inode)) {
@@ -434,7 +451,7 @@ again:
 
 		ret = create_free_ino_inode(root, trans, path);
 		if (ret)
-			goto out;
+			goto out_release;
 		goto again;
 	}
 
@@ -477,11 +494,14 @@ again:
 	}
 	btrfs_free_reserved_data_space(inode, prealloc);
 
+	ret = btrfs_write_out_ino_cache(root, trans, path);
 out_put:
 	iput(inode);
+out_release:
+	btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved);
 out:
-	if (ret == 0)
-		ret = btrfs_write_out_ino_cache(root, trans, path);
+	trans->block_rsv = rsv;
+	trans->bytes_reserved = num_bytes;
 
 	btrfs_free_path(path);
 	return ret;
-- 
GitLab


From 3254c87618354e58fa2a7b375c6664f567480c33 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 10 Nov 2011 20:45:05 -0500
Subject: [PATCH 0378/1594] Btrfs: fix unreleased path in
 btrfs_orphan_cleanup()

When we did stress test for the space relocation, the deadlock happened.
By debugging, We found it was caused by the carelessness that we forgot
to unlock the read lock of the extent buffers in btrfs_orphan_cleanup()
before we end the transaction handle, so the transaction commit task waited
the task, which called btrfs_orphan_cleanup(), to unlock the extent buffer,
but that task waited the commit task to end the transaction commit, and
the deadlock happened. Fix it.

Signed-ff-by: Miao Xie <miaox@cn.fujitsu.com>

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7d394335bcb5..e16215f480d0 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2201,6 +2201,9 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
 		if (ret)
 			goto out;
 	}
+	/* release the path since we're done with it */
+	btrfs_release_path(path);
+
 	root->orphan_cleanup_state = ORPHAN_CLEANUP_DONE;
 
 	if (root->orphan_block_rsv)
-- 
GitLab


From 61b520a9d0083b9b361638e456af45fd75150c87 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 10 Nov 2011 20:45:05 -0500
Subject: [PATCH 0379/1594] Btrfs: Abstract similar code for
 btrfs_block_rsv_add{, _noflush}

btrfs_block_rsv_add{, _noflush}() have similar code, so abstract that code.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent-tree.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 0b044e509e9f..0f47b3e2010e 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3796,16 +3796,16 @@ void btrfs_free_block_rsv(struct btrfs_root *root,
 	kfree(rsv);
 }
 
-int btrfs_block_rsv_add(struct btrfs_root *root,
-			struct btrfs_block_rsv *block_rsv,
-			u64 num_bytes)
+static inline int __block_rsv_add(struct btrfs_root *root,
+				  struct btrfs_block_rsv *block_rsv,
+				  u64 num_bytes, int flush)
 {
 	int ret;
 
 	if (num_bytes == 0)
 		return 0;
 
-	ret = reserve_metadata_bytes(root, block_rsv, num_bytes, 1);
+	ret = reserve_metadata_bytes(root, block_rsv, num_bytes, flush);
 	if (!ret) {
 		block_rsv_add_bytes(block_rsv, num_bytes, 1);
 		return 0;
@@ -3814,22 +3814,18 @@ int btrfs_block_rsv_add(struct btrfs_root *root,
 	return ret;
 }
 
+int btrfs_block_rsv_add(struct btrfs_root *root,
+			struct btrfs_block_rsv *block_rsv,
+			u64 num_bytes)
+{
+	return __block_rsv_add(root, block_rsv, num_bytes, 1);
+}
+
 int btrfs_block_rsv_add_noflush(struct btrfs_root *root,
 				struct btrfs_block_rsv *block_rsv,
 				u64 num_bytes)
 {
-	int ret;
-
-	if (num_bytes == 0)
-		return 0;
-
-	ret = reserve_metadata_bytes(root, block_rsv, num_bytes, 0);
-	if (!ret) {
-		block_rsv_add_bytes(block_rsv, num_bytes, 1);
-		return 0;
-	}
-
-	return ret;
+	return __block_rsv_add(root, block_rsv, num_bytes, 0);
 }
 
 int btrfs_block_rsv_check(struct btrfs_root *root,
-- 
GitLab


From 76b9e23d25d5c99f994bee3172de39492e452e93 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 10 Nov 2011 20:45:05 -0500
Subject: [PATCH 0380/1594] Btrfs: fix orphan backref nodes

If the root node of a fs/file tree is in the block group that is
being relocated, but the others are not in the other block groups.
when we create a snapshot for this tree between the relocation tree
creation ends and ->create_reloc_tree is set to 0, Btrfs will create
some backref nodes that are the lowest nodes of the backrefs cache.
But we forget to add them into ->leaves list of the backref cache
and deal with them, and at last, they will triggered BUG_ON().

  kernel BUG at fs/btrfs/relocation.c:239!

This patch fixes it by adding them into ->leaves list of backref cache.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/relocation.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 24d654ce7a06..dff29d5e151a 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1174,6 +1174,8 @@ static int clone_backref_node(struct btrfs_trans_handle *trans,
 			list_add_tail(&new_edge->list[UPPER],
 				      &new_node->lower);
 		}
+	} else {
+		list_add_tail(&new_node->lower, &cache->leaves);
 	}
 
 	rb_node = tree_insert(&cache->rb_root, new_node->bytenr,
-- 
GitLab


From 2f120c05e67ae34c93786b1050c6828904314429 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Thu, 10 Nov 2011 20:45:05 -0500
Subject: [PATCH 0381/1594] Btrfs: only map pages if we know we need them when
 reading the space cache

People have been running into a warning when loading space cache because the
page is already mapped when trying to read in a bitmap.  The way we read in
entries and pages is kind of convoluted, so fix it so that io_ctl_read_entry
maps the entries if it needs to, and if it hits the end of the page it simply
unmaps the page.  That way we can unconditionally unmap the io_ctl before
reading in the bitmap and we should stop hitting these warnings.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/free-space-cache.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 7a15fcfb3e1f..181760f9d2ab 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -537,6 +537,13 @@ static int io_ctl_read_entry(struct io_ctl *io_ctl,
 			    struct btrfs_free_space *entry, u8 *type)
 {
 	struct btrfs_free_space_entry *e;
+	int ret;
+
+	if (!io_ctl->cur) {
+		ret = io_ctl_check_crc(io_ctl, io_ctl->index);
+		if (ret)
+			return ret;
+	}
 
 	e = io_ctl->cur;
 	entry->offset = le64_to_cpu(e->offset);
@@ -550,10 +557,7 @@ static int io_ctl_read_entry(struct io_ctl *io_ctl,
 
 	io_ctl_unmap_page(io_ctl);
 
-	if (io_ctl->index >= io_ctl->num_pages)
-		return 0;
-
-	return io_ctl_check_crc(io_ctl, io_ctl->index);
+	return 0;
 }
 
 static int io_ctl_read_bitmap(struct io_ctl *io_ctl,
@@ -561,9 +565,6 @@ static int io_ctl_read_bitmap(struct io_ctl *io_ctl,
 {
 	int ret;
 
-	if (io_ctl->cur && io_ctl->cur != io_ctl->orig)
-		io_ctl_unmap_page(io_ctl);
-
 	ret = io_ctl_check_crc(io_ctl, io_ctl->index);
 	if (ret)
 		return ret;
@@ -699,6 +700,8 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
 		num_entries--;
 	}
 
+	io_ctl_unmap_page(&io_ctl);
+
 	/*
 	 * We add the bitmaps at the end of the entries in order that
 	 * the bitmap entries are added to the cache.
-- 
GitLab


From 62f30c5462374b991e7e3f42d49ce2265c1b82f1 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 10 Nov 2011 20:45:05 -0500
Subject: [PATCH 0382/1594] Btrfs: fix deadlock caused by the race between
 relocation

We can not do flushable reservation for the relocation when we create snapshot,
because it may make the transaction commit task and the flush task wait for
each other and the deadlock happens.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/transaction.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 960835eaf4da..6a0574e923bc 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -882,8 +882,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	btrfs_reloc_pre_snapshot(trans, pending, &to_reserve);
 
 	if (to_reserve > 0) {
-		ret = btrfs_block_rsv_add(root, &pending->block_rsv,
-					  to_reserve);
+		ret = btrfs_block_rsv_add_noflush(root, &pending->block_rsv,
+						  to_reserve);
 		if (ret) {
 			pending->error = ret;
 			goto fail;
-- 
GitLab


From 149c370f3e06a6b43bf1d922ccd1f969c59c7c77 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 7 Nov 2011 14:40:45 +0900
Subject: [PATCH 0383/1594] sh: Wire up process_vm syscalls.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/unistd_32.h | 4 +++-
 arch/sh/include/asm/unistd_64.h | 4 +++-
 arch/sh/kernel/syscalls_32.S    | 2 ++
 arch/sh/kernel/syscalls_64.S    | 2 ++
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index 3432008d2888..152b8627a184 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -375,8 +375,10 @@
 #define __NR_syncfs		362
 #define __NR_sendmmsg		363
 #define __NR_setns		364
+#define __NR_process_vm_readv	365
+#define __NR_process_vm_writev	366
 
-#define NR_syscalls 365
+#define NR_syscalls 367
 
 #ifdef __KERNEL__
 
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index ec9898665f23..c330c23db5a0 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -396,10 +396,12 @@
 #define __NR_syncfs		373
 #define __NR_sendmmsg		374
 #define __NR_setns		375
+#define __NR_process_vm_readv	376
+#define __NR_process_vm_writev	377
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 376
+#define NR_syscalls 378
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index 293e39c59c00..ee56a9b1a981 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -382,3 +382,5 @@ ENTRY(sys_call_table)
 	.long sys_syncfs
 	.long sys_sendmmsg
 	.long sys_setns
+	.long sys_process_vm_readv	/* 365 */
+	.long sys_process_vm_writev
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index ceb34b94afa9..9af7de26fb71 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -402,3 +402,5 @@ sys_call_table:
 	.long sys_syncfs
 	.long sys_sendmmsg
 	.long sys_setns			/* 375 */
+	.long sys_process_vm_readv
+	.long sys_process_vm_writev
-- 
GitLab


From 750a7eee7395492960a7aeb3a3a1aa74158ec326 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 11 Nov 2011 15:41:50 +0900
Subject: [PATCH 0384/1594] drivers: sh: Generalize runtime PM platform stub.

The runtime PM platform support stub in use by ARM-based SH/R-Mobile
platforms contains nothing that's specifically ARM-related and instead of
wholly generic to anything using the clock framework.

The recent runtime PM changes interact rather badly with the lazy
disabling of clocks late in the boot process through the clock framework,
leading to situations where the runtime suspend/resume paths are entered
without a clock being actively driven due to having been lazily gated
off.

In order to correct this we can trivially tie in the aforementioned stub
as a general fallback for all SH platforms that don't presently have
their own runtime PM implementations (the corner case being SH-based
SH-Mobile platforms, which have their own stub through the hwblk API --
which in turn has bitrotted and will be subsequently adapted to use the
same stub as everyone else), regardless of whether the platforms choose
to define power domains of their own or not.

This fixes up regressions for clock framework users who also build in
runtime PM support without any specific power domains of their own, which
was previously causing the serial console to be lost when warring with
lazy clock disabling.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/Makefile                     | 2 +-
 drivers/sh/Makefile                                 | 8 ++++++++
 {arch/arm/mach-shmobile => drivers/sh}/pm_runtime.c | 0
 3 files changed, 9 insertions(+), 1 deletion(-)
 rename {arch/arm/mach-shmobile => drivers/sh}/pm_runtime.c (100%)

diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 2aec2f732515..737bdc631b0d 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -3,7 +3,7 @@
 #
 
 # Common objects
-obj-y				:= timer.o console.o clock.o pm_runtime.o
+obj-y				:= timer.o console.o clock.o
 
 # CPU objects
 obj-$(CONFIG_ARCH_SH7367)	+= setup-sh7367.o clock-sh7367.o intc-sh7367.o
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index 24e6cec0ae8d..67e272ab1623 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -7,3 +7,11 @@ obj-$(CONFIG_HAVE_CLK)		+= clk/
 obj-$(CONFIG_MAPLE)		+= maple/
 obj-$(CONFIG_SUPERHYWAY)	+= superhyway/
 obj-$(CONFIG_GENERIC_GPIO)	+= pfc.o
+
+#
+# For the moment we only use this framework for ARM-based SH/R-Mobile
+# platforms and generic SH. SH-based SH-Mobile platforms are still using
+# an older framework that is pending up-porting, at which point this
+# special casing can go away.
+#
+obj-$(CONFIG_SUPERH)$(CONFIG_ARCH_SHMOBILE)	+= pm_runtime.o
diff --git a/arch/arm/mach-shmobile/pm_runtime.c b/drivers/sh/pm_runtime.c
similarity index 100%
rename from arch/arm/mach-shmobile/pm_runtime.c
rename to drivers/sh/pm_runtime.c
-- 
GitLab


From d03299ee6020b0cc64fc4180162fb2e8795394e1 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 11 Nov 2011 15:58:50 +0900
Subject: [PATCH 0385/1594] drivers: sh: Kill off dead pathname for runtime PM
 stub.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/sh/pm_runtime.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c
index bd5c6a3b8c55..afe9282629b9 100644
--- a/drivers/sh/pm_runtime.c
+++ b/drivers/sh/pm_runtime.c
@@ -1,7 +1,5 @@
 /*
- * arch/arm/mach-shmobile/pm_runtime.c
- *
- * Runtime PM support code for SuperH Mobile ARM
+ * Runtime PM support code
  *
  *  Copyright (C) 2009-2010 Magnus Damm
  *
-- 
GitLab


From afef2cfa0ecf45dec7e88db9fa312ee82d347111 Mon Sep 17 00:00:00 2001
From: Charles Chin <Charles.Chin@idt.com>
Date: Fri, 11 Nov 2011 08:05:28 +0100
Subject: [PATCH 0386/1594] ALSA: hda - pwr_nids cleanup for IDT codecs

Clean up and fix pwr_nids for 92HD71 / 73 / 83 family codecs; remove
pwr_mapping which was incorrect.

The original pwr_nids support of 92HD83xxx was incorrect and never
actually worked before.  Now we should have things working correctly
without having to hack by DID anymore.

It is also not necessary to explicitly turn on all the pins near the
beginning of patch_stac92hd83xxx() now, the pins will go though
initialization properly.

Tested on 92HD66 / 71 / 73 / 75 / 83 / 89 / 91 demo boards.

Signed-off-by: Charles Chin <Charles.Chin@idt.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 33 +++++++++------------------------
 1 file changed, 9 insertions(+), 24 deletions(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index edc2b7bc177c..470f6f286e81 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -227,7 +227,6 @@ struct sigmatel_spec {
 
 	/* power management */
 	unsigned int num_pwrs;
-	const unsigned int *pwr_mapping;
 	const hda_nid_t *pwr_nids;
 	const hda_nid_t *dac_list;
 
@@ -374,18 +373,15 @@ static const unsigned long stac92hd73xx_capvols[] = {
 
 #define STAC92HD83_DAC_COUNT 3
 
-static const hda_nid_t stac92hd83xxx_pwr_nids[4] = {
-	0xa, 0xb, 0xd, 0xe,
+static const hda_nid_t stac92hd83xxx_pwr_nids[7] = {
+	0x0a, 0x0b, 0x0c, 0xd, 0x0e,
+	0x0f, 0x10
 };
 
 static const hda_nid_t stac92hd83xxx_slave_dig_outs[2] = {
 	0x1e, 0,
 };
 
-static const unsigned int stac92hd83xxx_pwr_mapping[4] = {
-	0x03, 0x0c, 0x20, 0x40,
-};
-
 static const hda_nid_t stac92hd83xxx_dmic_nids[] = {
 		0x11, 0x20,
 };
@@ -4470,8 +4466,12 @@ static int stac92xx_init(struct hda_codec *codec)
 				stac_toggle_power_map(codec, nid, 1);
 			continue;
 		}
-		if (enable_pin_detect(codec, nid, STAC_PWR_EVENT))
+		if (enable_pin_detect(codec, nid, STAC_PWR_EVENT)) {
 			stac_issue_unsol_event(codec, nid);
+			continue;
+		}
+		/* none of the above, turn the port OFF */
+		stac_toggle_power_map(codec, nid, 0);
 	}
 
 	/* sync mute LED */
@@ -4727,11 +4727,7 @@ static void stac_toggle_power_map(struct hda_codec *codec, hda_nid_t nid,
 	if (idx >= spec->num_pwrs)
 		return;
 
-	/* several codecs have two power down bits */
-	if (spec->pwr_mapping)
-		idx = spec->pwr_mapping[idx];
-	else
-		idx = 1 << idx;
+	idx = 1 << idx;
 
 	val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0) & 0xff;
 	if (enable)
@@ -5629,9 +5625,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
 		snd_hda_codec_set_pincfg(codec, 0xf, 0x2181205e);
 	}
 
-	/* reset pin power-down; Windows may leave these bits after reboot */
-	snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7EC, 0);
-	snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7ED, 0);
 	codec->no_trigger_sense = 1;
 	codec->spec = spec;
 
@@ -5641,7 +5634,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
 	codec->slave_dig_outs = stac92hd83xxx_slave_dig_outs;
 	spec->digbeep_nid = 0x21;
 	spec->pwr_nids = stac92hd83xxx_pwr_nids;
-	spec->pwr_mapping = stac92hd83xxx_pwr_mapping;
 	spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids);
 	spec->multiout.dac_nids = spec->dac_nids;
 	spec->init = stac92hd83xxx_core_init;
@@ -5658,9 +5650,6 @@ again:
 		stac92xx_set_config_regs(codec,
 				stac92hd83xxx_brd_tbl[spec->board_config]);
 
-	if (spec->board_config != STAC_92HD83XXX_PWR_REF)
-		spec->num_pwrs = 0;
-
 	codec->patch_ops = stac92xx_patch_ops;
 
 	if (find_mute_led_gpio(codec, 0))
@@ -5869,8 +5858,6 @@ again:
 		    (codec->revision_id & 0xf) == 1)
 			spec->stream_delay = 40; /* 40 milliseconds */
 
-		/* no output amps */
-		spec->num_pwrs = 0;
 		/* disable VSW */
 		spec->init = stac92hd71bxx_core_init;
 		unmute_init++;
@@ -5885,8 +5872,6 @@ again:
 		if ((codec->revision_id & 0xf) == 1)
 			spec->stream_delay = 40; /* 40 milliseconds */
 
-		/* no output amps */
-		spec->num_pwrs = 0;
 		/* fallthru */
 	default:
 		spec->init = stac92hd71bxx_core_init;
-- 
GitLab


From 79e7066415a8b12adbeacc41b3dc44423534b8be Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 11 Nov 2011 16:11:41 +0900
Subject: [PATCH 0387/1594] sh: clkfwk: Kill off remaining debugfs cruft.

Now that all of the named string association with clocks has been
migrated to clkdev lookups there's no meaningful named topology that can
be constructed for a debugfs tree view. Get rid of the left over bits,
and shrink struct clk a bit in the process.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/sh/clk/core.c  | 87 ------------------------------------------
 include/linux/sh_clk.h |  1 -
 2 files changed, 88 deletions(-)

diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index 352036b1f9a2..db257a35e71a 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -25,7 +25,6 @@
 #include <linux/seq_file.h>
 #include <linux/err.h>
 #include <linux/io.h>
-#include <linux/debugfs.h>
 #include <linux/cpufreq.h>
 #include <linux/clk.h>
 #include <linux/sh_clk.h>
@@ -225,9 +224,6 @@ int clk_reparent(struct clk *child, struct clk *parent)
 		list_add(&child->sibling, &parent->children);
 	child->parent = parent;
 
-	/* now do the debugfs renaming to reattach the child
-	   to the proper parent */
-
 	return 0;
 }
 
@@ -685,89 +681,6 @@ static int __init clk_syscore_init(void)
 subsys_initcall(clk_syscore_init);
 #endif
 
-/*
- *	debugfs support to trace clock tree hierarchy and attributes
- */
-static struct dentry *clk_debugfs_root;
-
-static int clk_debugfs_register_one(struct clk *c)
-{
-	int err;
-	struct dentry *d;
-	struct clk *pa = c->parent;
-	char s[255];
-	char *p = s;
-
-	p += sprintf(p, "%p", c);
-	d = debugfs_create_dir(s, pa ? pa->dentry : clk_debugfs_root);
-	if (!d)
-		return -ENOMEM;
-	c->dentry = d;
-
-	d = debugfs_create_u8("usecount", S_IRUGO, c->dentry, (u8 *)&c->usecount);
-	if (!d) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-	d = debugfs_create_u32("rate", S_IRUGO, c->dentry, (u32 *)&c->rate);
-	if (!d) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-	d = debugfs_create_x32("flags", S_IRUGO, c->dentry, (u32 *)&c->flags);
-	if (!d) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-	return 0;
-
-err_out:
-	debugfs_remove_recursive(c->dentry);
-	return err;
-}
-
-static int clk_debugfs_register(struct clk *c)
-{
-	int err;
-	struct clk *pa = c->parent;
-
-	if (pa && !pa->dentry) {
-		err = clk_debugfs_register(pa);
-		if (err)
-			return err;
-	}
-
-	if (!c->dentry) {
-		err = clk_debugfs_register_one(c);
-		if (err)
-			return err;
-	}
-	return 0;
-}
-
-static int __init clk_debugfs_init(void)
-{
-	struct clk *c;
-	struct dentry *d;
-	int err;
-
-	d = debugfs_create_dir("clock", NULL);
-	if (!d)
-		return -ENOMEM;
-	clk_debugfs_root = d;
-
-	list_for_each_entry(c, &clock_list, node) {
-		err = clk_debugfs_register(c);
-		if (err)
-			goto err_out;
-	}
-	return 0;
-err_out:
-	debugfs_remove_recursive(clk_debugfs_root);
-	return err;
-}
-late_initcall(clk_debugfs_init);
-
 static int __init clk_late_init(void)
 {
 	unsigned long flags;
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index 9237c299641c..a20831cf336a 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -52,7 +52,6 @@ struct clk {
 
 	unsigned long		arch_flags;
 	void			*priv;
-	struct dentry		*dentry;
 	struct clk_mapping	*mapping;
 	struct cpufreq_frequency_table *freq_table;
 	unsigned int		nr_freqs;
-- 
GitLab


From ab4f75cd0a9f5ffdcc3d9fc2b29ca14525215b78 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Nov 2011 18:43:16 -0800
Subject: [PATCH 0388/1594] mailmap: Fix up some renesas attributions

This adds in entries for both Goda and Morimoto-san who have previously
used different conventions.

Cc: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 .mailmap | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.mailmap b/.mailmap
index a4806f0de852..9b0d0267a3c3 100644
--- a/.mailmap
+++ b/.mailmap
@@ -68,6 +68,7 @@ Juha Yrjola <juha.yrjola@solidboot.com>
 Kay Sievers <kay.sievers@vrfy.org>
 Kenneth W Chen <kenneth.w.chen@intel.com>
 Koushik <raghavendra.koushik@neterion.com>
+Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 Leonid I Ananiev <leonid.i.ananiev@intel.com>
 Linas Vepstas <linas@austin.ibm.com>
 Mark Brown <broonie@sirena.org.uk>
@@ -111,3 +112,4 @@ Uwe Kleine-König <ukl@pengutronix.de>
 Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
 Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
 Takashi YOSHII <takashi.yoshii.zj@renesas.com>
+Yusuke Goda <goda.yusuke@renesas.com>
-- 
GitLab


From 052008edf31383f866b2ec1b12604fc411c2d986 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Nov 2011 18:44:24 -0800
Subject: [PATCH 0389/1594] ARM: mach-shmobile: sh73a0: add MMC data pin
 pull-up

This patch adds MMC data pin pull-up option for pfc-sh73a0.c,
and select it on ag5evm board.
The MMC read/write will be error without this patch.

Cc: Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/board-ag5evm.c        | 16 ++++-----
 arch/arm/mach-shmobile/include/mach/sh73a0.h |  8 +++++
 arch/arm/mach-shmobile/pfc-sh73a0.c          | 34 ++++++++++++++++++++
 3 files changed, 50 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index 83624e26b884..b862e9f81e3e 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -515,14 +515,14 @@ static void __init ag5evm_init(void)
 	/* enable MMCIF */
 	gpio_request(GPIO_FN_MMCCLK0, NULL);
 	gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
-	gpio_request(GPIO_FN_MMCD0_0, NULL);
-	gpio_request(GPIO_FN_MMCD0_1, NULL);
-	gpio_request(GPIO_FN_MMCD0_2, NULL);
-	gpio_request(GPIO_FN_MMCD0_3, NULL);
-	gpio_request(GPIO_FN_MMCD0_4, NULL);
-	gpio_request(GPIO_FN_MMCD0_5, NULL);
-	gpio_request(GPIO_FN_MMCD0_6, NULL);
-	gpio_request(GPIO_FN_MMCD0_7, NULL);
+	gpio_request(GPIO_FN_MMCD0_0_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_1_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_2_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_3_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_4_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_5_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_6_PU, NULL);
+	gpio_request(GPIO_FN_MMCD0_7_PU, NULL);
 	gpio_request(GPIO_PORT208, NULL); /* Reset */
 	gpio_direction_output(GPIO_PORT208, 1);
 
diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h
index 18ae6a990bc2..881d515a9686 100644
--- a/arch/arm/mach-shmobile/include/mach/sh73a0.h
+++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h
@@ -470,6 +470,14 @@ enum {
 	GPIO_FN_SDHICMD2_PU,
 	GPIO_FN_MMCCMD0_PU,
 	GPIO_FN_MMCCMD1_PU,
+	GPIO_FN_MMCD0_0_PU,
+	GPIO_FN_MMCD0_1_PU,
+	GPIO_FN_MMCD0_2_PU,
+	GPIO_FN_MMCD0_3_PU,
+	GPIO_FN_MMCD0_4_PU,
+	GPIO_FN_MMCD0_5_PU,
+	GPIO_FN_MMCD0_6_PU,
+	GPIO_FN_MMCD0_7_PU,
 	GPIO_FN_FSIACK_PU,
 	GPIO_FN_FSIAILR_PU,
 	GPIO_FN_FSIAIBT_PU,
diff --git a/arch/arm/mach-shmobile/pfc-sh73a0.c b/arch/arm/mach-shmobile/pfc-sh73a0.c
index 5abe02fbd6b9..a2d99b3a9fa8 100644
--- a/arch/arm/mach-shmobile/pfc-sh73a0.c
+++ b/arch/arm/mach-shmobile/pfc-sh73a0.c
@@ -508,6 +508,14 @@ enum {
 	SDHICMD2_PU_MARK,
 	MMCCMD0_PU_MARK,
 	MMCCMD1_PU_MARK,
+	MMCD0_0_PU_MARK,
+	MMCD0_1_PU_MARK,
+	MMCD0_2_PU_MARK,
+	MMCD0_3_PU_MARK,
+	MMCD0_4_PU_MARK,
+	MMCD0_5_PU_MARK,
+	MMCD0_6_PU_MARK,
+	MMCD0_7_PU_MARK,
 	FSIBISLD_PU_MARK,
 	FSIACK_PU_MARK,
 	FSIAILR_PU_MARK,
@@ -1561,6 +1569,24 @@ static pinmux_enum_t pinmux_data[] = {
 		MSEL4CR_MSEL15_0),
 	PINMUX_DATA(MMCCMD1_PU_MARK, PORT297_FN2, PORT297_IN_PU,
 		MSEL4CR_MSEL15_1),
+
+	PINMUX_DATA(MMCD0_0_PU_MARK,
+		    PORT271_FN1, PORT271_IN_PU, MSEL4CR_MSEL15_0),
+	PINMUX_DATA(MMCD0_1_PU_MARK,
+		    PORT272_FN1, PORT272_IN_PU, MSEL4CR_MSEL15_0),
+	PINMUX_DATA(MMCD0_2_PU_MARK,
+		    PORT273_FN1, PORT273_IN_PU, MSEL4CR_MSEL15_0),
+	PINMUX_DATA(MMCD0_3_PU_MARK,
+		    PORT274_FN1, PORT274_IN_PU, MSEL4CR_MSEL15_0),
+	PINMUX_DATA(MMCD0_4_PU_MARK,
+		    PORT275_FN1, PORT275_IN_PU, MSEL4CR_MSEL15_0),
+	PINMUX_DATA(MMCD0_5_PU_MARK,
+		    PORT276_FN1, PORT276_IN_PU, MSEL4CR_MSEL15_0),
+	PINMUX_DATA(MMCD0_6_PU_MARK,
+		    PORT277_FN1, PORT277_IN_PU, MSEL4CR_MSEL15_0),
+	PINMUX_DATA(MMCD0_7_PU_MARK,
+		    PORT278_FN1, PORT278_IN_PU, MSEL4CR_MSEL15_0),
+
 	PINMUX_DATA(FSIBISLD_PU_MARK, PORT39_FN1, PORT39_IN_PU),
 	PINMUX_DATA(FSIACK_PU_MARK, PORT49_FN1, PORT49_IN_PU),
 	PINMUX_DATA(FSIAILR_PU_MARK, PORT50_FN5, PORT50_IN_PU),
@@ -2236,6 +2262,14 @@ static struct pinmux_gpio pinmux_gpios[] = {
 	GPIO_FN(SDHICMD2_PU),
 	GPIO_FN(MMCCMD0_PU),
 	GPIO_FN(MMCCMD1_PU),
+	GPIO_FN(MMCD0_0_PU),
+	GPIO_FN(MMCD0_1_PU),
+	GPIO_FN(MMCD0_2_PU),
+	GPIO_FN(MMCD0_3_PU),
+	GPIO_FN(MMCD0_4_PU),
+	GPIO_FN(MMCD0_5_PU),
+	GPIO_FN(MMCD0_6_PU),
+	GPIO_FN(MMCD0_7_PU),
 	GPIO_FN(FSIACK_PU),
 	GPIO_FN(FSIAILR_PU),
 	GPIO_FN(FSIAIBT_PU),
-- 
GitLab


From c5e7bcd99dd9926b69f5d6cab5230485169f1ada Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Nov 2011 18:44:43 -0800
Subject: [PATCH 0390/1594] ARM: mach-shmobile: kota2: add comment out
 separator

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/board-kota2.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index adc73122bf20..bd9a78424d6b 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -48,6 +48,7 @@
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/traps.h>
 
+/* SMSC 9220 */
 static struct resource smsc9220_resources[] = {
 	[0] = {
 		.start		= 0x14000000, /* CS5A */
@@ -77,6 +78,7 @@ static struct platform_device eth_device = {
 	.num_resources	= ARRAY_SIZE(smsc9220_resources),
 };
 
+/* KEYSC */
 static struct sh_keysc_info keysc_platdata = {
 	.mode		= SH_KEYSC_MODE_6,
 	.scan_timing	= 3,
@@ -120,6 +122,7 @@ static struct platform_device keysc_device = {
 	},
 };
 
+/* GPIO KEY */
 #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
 
 static struct gpio_keys_button gpio_buttons[] = {
@@ -150,6 +153,7 @@ static struct platform_device gpio_keys_device = {
 	},
 };
 
+/* GPIO LED */
 #define GPIO_LED(n, g) { .name = n, .gpio = g }
 
 static struct gpio_led gpio_leds[] = {
@@ -175,6 +179,7 @@ static struct platform_device gpio_leds_device = {
 	},
 };
 
+/* MMCIF */
 static struct resource mmcif_resources[] = {
 	[0] = {
 		.name   = "MMCIF",
@@ -207,6 +212,7 @@ static struct platform_device mmcif_device = {
 	.resource       = mmcif_resources,
 };
 
+/* SDHI0 */
 static struct sh_mobile_sdhi_info sdhi0_info = {
 	.tmio_caps      = MMC_CAP_SD_HIGHSPEED,
 	.tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
@@ -243,6 +249,7 @@ static struct platform_device sdhi0_device = {
 	},
 };
 
+/* SDHI1 */
 static struct sh_mobile_sdhi_info sdhi1_info = {
 	.tmio_caps      = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
 	.tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
-- 
GitLab


From 91d19cd8d589c6a25ed502435a575f026f33d09f Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Nov 2011 18:45:02 -0800
Subject: [PATCH 0391/1594] ARM: mach-shmobile: clock-sh7372: remove
 un-necessary index

it is not necessary to have sh7372_xxxx index on static variable

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/clock-sh7372.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index 66975921e646..995a9c3aec8f 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -476,7 +476,7 @@ static struct clk_ops fsidiv_clk_ops = {
 	.disable	= fsidiv_disable,
 };
 
-static struct clk_mapping sh7372_fsidiva_clk_mapping = {
+static struct clk_mapping fsidiva_clk_mapping = {
 	.phys	= FSIDIVA,
 	.len	= 8,
 };
@@ -484,10 +484,10 @@ static struct clk_mapping sh7372_fsidiva_clk_mapping = {
 struct clk sh7372_fsidiva_clk = {
 	.ops		= &fsidiv_clk_ops,
 	.parent		= &div6_reparent_clks[DIV6_FSIA], /* late install */
-	.mapping	= &sh7372_fsidiva_clk_mapping,
+	.mapping	= &fsidiva_clk_mapping,
 };
 
-static struct clk_mapping sh7372_fsidivb_clk_mapping = {
+static struct clk_mapping fsidivb_clk_mapping = {
 	.phys	= FSIDIVB,
 	.len	= 8,
 };
@@ -495,7 +495,7 @@ static struct clk_mapping sh7372_fsidivb_clk_mapping = {
 struct clk sh7372_fsidivb_clk = {
 	.ops		= &fsidiv_clk_ops,
 	.parent		= &div6_reparent_clks[DIV6_FSIB],  /* late install */
-	.mapping	= &sh7372_fsidivb_clk_mapping,
+	.mapping	= &fsidivb_clk_mapping,
 };
 
 static struct clk *late_main_clks[] = {
-- 
GitLab


From 8e6a46757ad11a16354b9037e17d6135d9a4bb87 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Nov 2011 18:45:12 -0800
Subject: [PATCH 0392/1594] ARM: mach-shmobile: ap4evb: remove white space from
 end of line

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/board-ap4evb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index a3aa0f6df964..4c865ece9ac4 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -201,7 +201,7 @@ static struct physmap_flash_data nor_flash_data = {
 static struct resource nor_flash_resources[] = {
 	[0]	= {
 		.start	= 0x20000000, /* CS0 shadow instead of regular CS0 */
-		.end	= 0x28000000 - 1, /* needed by USB MASK ROM boot */		
+		.end	= 0x28000000 - 1, /* needed by USB MASK ROM boot */
 		.flags	= IORESOURCE_MEM,
 	}
 };
-- 
GitLab


From bd8d0cbaa00883c84741b98264f8318cdade9c71 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Nov 2011 18:45:23 -0800
Subject: [PATCH 0393/1594] ARM: mach-shmobile: move helper macro PORT_DATA_xx
 to sh_pfc.h

This patch move PORT_DATA_xx helper macro to sh_pfc.h.
and pfc-sh7372.c used it

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/pfc-sh7367.c |  35 -----
 arch/arm/mach-shmobile/pfc-sh7372.c | 214 +++++++++++++++-------------
 arch/arm/mach-shmobile/pfc-sh7377.c |  39 -----
 arch/arm/mach-shmobile/pfc-sh73a0.c |  39 -----
 include/linux/sh_pfc.h              |  36 +++++
 5 files changed, 151 insertions(+), 212 deletions(-)

diff --git a/arch/arm/mach-shmobile/pfc-sh7367.c b/arch/arm/mach-shmobile/pfc-sh7367.c
index 128555e76e43..25181166e2d8 100644
--- a/arch/arm/mach-shmobile/pfc-sh7367.c
+++ b/arch/arm/mach-shmobile/pfc-sh7367.c
@@ -327,41 +327,6 @@ enum {
 	PINMUX_MARK_END,
 };
 
-#define PORT_DATA_I(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
-
-#define PORT_DATA_I_PD(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
-		    PORT##nr##_IN, PORT##nr##_IN_PD)
-
-#define PORT_DATA_I_PU(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
-		    PORT##nr##_IN, PORT##nr##_IN_PU)
-
-#define PORT_DATA_I_PU_PD(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
-		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
-
-#define PORT_DATA_O(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT)
-
-#define PORT_DATA_IO(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
-		    PORT##nr##_IN)
-
-#define PORT_DATA_IO_PD(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
-		    PORT##nr##_IN, PORT##nr##_IN_PD)
-
-#define PORT_DATA_IO_PU(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
-		    PORT##nr##_IN, PORT##nr##_IN_PU)
-
-#define PORT_DATA_IO_PU_PD(nr) \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
-		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
-
-
 static pinmux_enum_t pinmux_data[] = {
 
 	/* specify valid pin states for each pin in GPIO mode */
diff --git a/arch/arm/mach-shmobile/pfc-sh7372.c b/arch/arm/mach-shmobile/pfc-sh7372.c
index 9c265dae138a..34d6d763ec45 100644
--- a/arch/arm/mach-shmobile/pfc-sh7372.c
+++ b/arch/arm/mach-shmobile/pfc-sh7372.c
@@ -381,108 +381,124 @@ enum {
 	PINMUX_MARK_END,
 };
 
-/* PORT_DATA_I_PD(nr) */
-#define _I___D(nr)			     \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
-		    PORT##nr##_IN, PORT##nr##_IN_PD)
-
-/* PORT_DATA_I_PU(nr) */
-#define _I__U_(nr)			     \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
-		    PORT##nr##_IN, PORT##nr##_IN_PU)
-
-/* PORT_DATA_I_PU_PD(nr) */
-#define _I__UD(nr)			     \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
-		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
-
-/* PORT_DATA_O(nr) */
-#define __O___(nr)							\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT)
-
-/* PORT_DATA_IO(nr) */
-#define _IO___(nr)				     \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
-		    PORT##nr##_IN)
-
-/* PORT_DATA_IO_PD(nr) */
-#define _IO__D(nr)					     \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
-		    PORT##nr##_IN, PORT##nr##_IN_PD)
-
-/* PORT_DATA_IO_PU(nr) */
-#define _IO_U_(nr)					     \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
-		    PORT##nr##_IN, PORT##nr##_IN_PU)
-
-/* PORT_DATA_IO_PU_PD(nr) */
-#define _IO_UD(nr)					     \
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
-		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
-
-
 static pinmux_enum_t pinmux_data[] = {
 
 	/* specify valid pin states for each pin in GPIO mode */
-
-	_IO__D(0), _IO__D(1), __O___(2), _I___D(3), _I___D(4),
-	_I___D(5), _IO_UD(6), _I___D(7), _IO__D(8), __O___(9),
-
-	__O___(10), __O___(11), _IO_UD(12), _IO__D(13), _IO__D(14),
-	__O___(15), _IO__D(16), _IO__D(17), _I___D(18), _IO___(19),
-
-	_IO___(20), _IO___(21), _IO___(22), _IO___(23), _IO___(24),
-	_IO___(25), _IO___(26), _IO___(27), _IO___(28), _IO___(29),
-
-	_IO___(30), _IO___(31), _IO___(32), _IO___(33), _IO___(34),
-	_IO___(35), _IO___(36), _IO___(37), _IO___(38), _IO___(39),
-
-	_IO___(40), _IO___(41), _IO___(42), _IO___(43), _IO___(44),
-	_IO___(45), _IO_U_(46), _IO_U_(47), _IO_U_(48), _IO_U_(49),
-
-	_IO_U_(50), _IO_U_(51), _IO_U_(52), _IO_U_(53), _IO_U_(54),
-	_IO_U_(55), _IO_U_(56), _IO_U_(57), _IO_U_(58), _IO_U_(59),
-
-	_IO_U_(60), _IO_U_(61), _IO___(62), __O___(63), __O___(64),
-	_IO_U_(65), __O___(66), _IO_U_(67), __O___(68), _IO___(69), /*66?*/
-
-	_IO___(70), _IO___(71), __O___(72), _I__U_(73), _I__UD(74),
-	_IO_UD(75), _IO_UD(76), _IO_UD(77), _IO_UD(78), _IO_UD(79),
-
-	_IO_UD(80), _IO_UD(81), _IO_UD(82), _IO_UD(83), _IO_UD(84),
-	_IO_UD(85), _IO_UD(86), _IO_UD(87), _IO_UD(88), _IO_UD(89),
-
-	_IO_UD(90), _IO_UD(91), _IO_UD(92), _IO_UD(93), _IO_UD(94),
-	_IO_UD(95), _IO_U_(96), _IO_UD(97), _IO_UD(98), __O___(99), /*99?*/
-
-	_IO__D(100), _IO__D(101), _IO__D(102), _IO__D(103), _IO__D(104),
-	_IO__D(105), _IO_U_(106), _IO_U_(107), _IO_U_(108), _IO_U_(109),
-
-	_IO_U_(110), _IO_U_(111), _IO__D(112), _IO__D(113), _IO_U_(114),
-	_IO_U_(115), _IO_U_(116), _IO_U_(117), _IO_U_(118), _IO_U_(119),
-
-	_IO_U_(120), _IO__D(121), _IO__D(122), _IO__D(123), _IO__D(124),
-	_IO__D(125), _IO__D(126), _IO__D(127), _IO__D(128), _IO_UD(129),
-
-	_IO_UD(130), _IO_UD(131), _IO_UD(132), _IO_UD(133), _IO_UD(134),
-	_IO_UD(135), _IO__D(136), _IO__D(137), _IO__D(138), _IO__D(139),
-
-	_IO__D(140), _IO__D(141), _IO__D(142), _IO_UD(143), _IO__D(144),
-	_IO__D(145), _IO__D(146), _IO__D(147), _IO__D(148), _IO__D(149),
-
-	_IO__D(150), _IO__D(151), _IO_UD(152), _I___D(153), _IO_UD(154),
-	_I___D(155), _IO__D(156), _IO__D(157), _I___D(158), _IO__D(159),
-
-	__O___(160), _IO__D(161), _IO__D(162), _IO__D(163), _I___D(164),
-	_IO__D(165), _I___D(166), _I___D(167), _I___D(168), _I___D(169),
-
-	_I___D(170), __O___(171), _IO_UD(172), _IO_UD(173), _IO_UD(174),
-	_IO_UD(175), _IO_UD(176), _IO_UD(177), _IO_UD(178), __O___(179),
-
-	_IO_UD(180), _IO_UD(181), _IO_UD(182), _IO_UD(183), _IO_UD(184),
-	__O___(185), _IO_UD(186), _IO_UD(187), _IO_UD(188), _IO_UD(189),
-
-	_IO_UD(190),
+	PORT_DATA_IO_PD(0),		PORT_DATA_IO_PD(1),
+	PORT_DATA_O(2),			PORT_DATA_I_PD(3),
+	PORT_DATA_I_PD(4),		PORT_DATA_I_PD(5),
+	PORT_DATA_IO_PU_PD(6),		PORT_DATA_I_PD(7),
+	PORT_DATA_IO_PD(8),		PORT_DATA_O(9),
+
+	PORT_DATA_O(10),		PORT_DATA_O(11),
+	PORT_DATA_IO_PU_PD(12),		PORT_DATA_IO_PD(13),
+	PORT_DATA_IO_PD(14),		PORT_DATA_O(15),
+	PORT_DATA_IO_PD(16),		PORT_DATA_IO_PD(17),
+	PORT_DATA_I_PD(18),		PORT_DATA_IO(19),
+
+	PORT_DATA_IO(20),		PORT_DATA_IO(21),
+	PORT_DATA_IO(22),		PORT_DATA_IO(23),
+	PORT_DATA_IO(24),		PORT_DATA_IO(25),
+	PORT_DATA_IO(26),		PORT_DATA_IO(27),
+	PORT_DATA_IO(28),		PORT_DATA_IO(29),
+
+	PORT_DATA_IO(30),		PORT_DATA_IO(31),
+	PORT_DATA_IO(32),		PORT_DATA_IO(33),
+	PORT_DATA_IO(34),		PORT_DATA_IO(35),
+	PORT_DATA_IO(36),		PORT_DATA_IO(37),
+	PORT_DATA_IO(38),		PORT_DATA_IO(39),
+
+	PORT_DATA_IO(40),		PORT_DATA_IO(41),
+	PORT_DATA_IO(42),		PORT_DATA_IO(43),
+	PORT_DATA_IO(44),		PORT_DATA_IO(45),
+	PORT_DATA_IO_PU(46),		PORT_DATA_IO_PU(47),
+	PORT_DATA_IO_PU(48),		PORT_DATA_IO_PU(49),
+
+	PORT_DATA_IO_PU(50),		PORT_DATA_IO_PU(51),
+	PORT_DATA_IO_PU(52),		PORT_DATA_IO_PU(53),
+	PORT_DATA_IO_PU(54),		PORT_DATA_IO_PU(55),
+	PORT_DATA_IO_PU(56),		PORT_DATA_IO_PU(57),
+	PORT_DATA_IO_PU(58),		PORT_DATA_IO_PU(59),
+
+	PORT_DATA_IO_PU(60),		PORT_DATA_IO_PU(61),
+	PORT_DATA_IO(62),		PORT_DATA_O(63),
+	PORT_DATA_O(64),		PORT_DATA_IO_PU(65),
+	PORT_DATA_O(66),		PORT_DATA_IO_PU(67),  /*66?*/
+	PORT_DATA_O(68),		PORT_DATA_IO(69),
+
+	PORT_DATA_IO(70),		PORT_DATA_IO(71),
+	PORT_DATA_O(72),		PORT_DATA_I_PU(73),
+	PORT_DATA_I_PU_PD(74),		PORT_DATA_IO_PU_PD(75),
+	PORT_DATA_IO_PU_PD(76),		PORT_DATA_IO_PU_PD(77),
+	PORT_DATA_IO_PU_PD(78),		PORT_DATA_IO_PU_PD(79),
+
+	PORT_DATA_IO_PU_PD(80),		PORT_DATA_IO_PU_PD(81),
+	PORT_DATA_IO_PU_PD(82),		PORT_DATA_IO_PU_PD(83),
+	PORT_DATA_IO_PU_PD(84),		PORT_DATA_IO_PU_PD(85),
+	PORT_DATA_IO_PU_PD(86),		PORT_DATA_IO_PU_PD(87),
+	PORT_DATA_IO_PU_PD(88),		PORT_DATA_IO_PU_PD(89),
+
+	PORT_DATA_IO_PU_PD(90),		PORT_DATA_IO_PU_PD(91),
+	PORT_DATA_IO_PU_PD(92),		PORT_DATA_IO_PU_PD(93),
+	PORT_DATA_IO_PU_PD(94),		PORT_DATA_IO_PU_PD(95),
+	PORT_DATA_IO_PU(96),		PORT_DATA_IO_PU_PD(97),
+	PORT_DATA_IO_PU_PD(98),		PORT_DATA_O(99), /*99?*/
+
+	PORT_DATA_IO_PD(100),		PORT_DATA_IO_PD(101),
+	PORT_DATA_IO_PD(102),		PORT_DATA_IO_PD(103),
+	PORT_DATA_IO_PD(104),		PORT_DATA_IO_PD(105),
+	PORT_DATA_IO_PU(106),		PORT_DATA_IO_PU(107),
+	PORT_DATA_IO_PU(108),		PORT_DATA_IO_PU(109),
+
+	PORT_DATA_IO_PU(110),		PORT_DATA_IO_PU(111),
+	PORT_DATA_IO_PD(112),		PORT_DATA_IO_PD(113),
+	PORT_DATA_IO_PU(114),		PORT_DATA_IO_PU(115),
+	PORT_DATA_IO_PU(116),		PORT_DATA_IO_PU(117),
+	PORT_DATA_IO_PU(118),		PORT_DATA_IO_PU(119),
+
+	PORT_DATA_IO_PU(120),		PORT_DATA_IO_PD(121),
+	PORT_DATA_IO_PD(122),		PORT_DATA_IO_PD(123),
+	PORT_DATA_IO_PD(124),		PORT_DATA_IO_PD(125),
+	PORT_DATA_IO_PD(126),		PORT_DATA_IO_PD(127),
+	PORT_DATA_IO_PD(128),		PORT_DATA_IO_PU_PD(129),
+
+	PORT_DATA_IO_PU_PD(130),	PORT_DATA_IO_PU_PD(131),
+	PORT_DATA_IO_PU_PD(132),	PORT_DATA_IO_PU_PD(133),
+	PORT_DATA_IO_PU_PD(134),	PORT_DATA_IO_PU_PD(135),
+	PORT_DATA_IO_PD(136),		PORT_DATA_IO_PD(137),
+	PORT_DATA_IO_PD(138),		PORT_DATA_IO_PD(139),
+
+	PORT_DATA_IO_PD(140),		PORT_DATA_IO_PD(141),
+	PORT_DATA_IO_PD(142),		PORT_DATA_IO_PU_PD(143),
+	PORT_DATA_IO_PD(144),		PORT_DATA_IO_PD(145),
+	PORT_DATA_IO_PD(146),		PORT_DATA_IO_PD(147),
+	PORT_DATA_IO_PD(148),		PORT_DATA_IO_PD(149),
+
+	PORT_DATA_IO_PD(150),		PORT_DATA_IO_PD(151),
+	PORT_DATA_IO_PU_PD(152),	PORT_DATA_I_PD(153),
+	PORT_DATA_IO_PU_PD(154),	PORT_DATA_I_PD(155),
+	PORT_DATA_IO_PD(156),		PORT_DATA_IO_PD(157),
+	PORT_DATA_I_PD(158),		PORT_DATA_IO_PD(159),
+
+	PORT_DATA_O(160),		PORT_DATA_IO_PD(161),
+	PORT_DATA_IO_PD(162),		PORT_DATA_IO_PD(163),
+	PORT_DATA_I_PD(164),		PORT_DATA_IO_PD(165),
+	PORT_DATA_I_PD(166),		PORT_DATA_I_PD(167),
+	PORT_DATA_I_PD(168),		PORT_DATA_I_PD(169),
+
+	PORT_DATA_I_PD(170),		PORT_DATA_O(171),
+	PORT_DATA_IO_PU_PD(172),	PORT_DATA_IO_PU_PD(173),
+	PORT_DATA_IO_PU_PD(174),	PORT_DATA_IO_PU_PD(175),
+	PORT_DATA_IO_PU_PD(176),	PORT_DATA_IO_PU_PD(177),
+	PORT_DATA_IO_PU_PD(178),	PORT_DATA_O(179),
+
+	PORT_DATA_IO_PU_PD(180),	PORT_DATA_IO_PU_PD(181),
+	PORT_DATA_IO_PU_PD(182),	PORT_DATA_IO_PU_PD(183),
+	PORT_DATA_IO_PU_PD(184),	PORT_DATA_O(185),
+	PORT_DATA_IO_PU_PD(186),	PORT_DATA_IO_PU_PD(187),
+	PORT_DATA_IO_PU_PD(188),	PORT_DATA_IO_PU_PD(189),
+
+	PORT_DATA_IO_PU_PD(190),
 
 	/* IRQ */
 	PINMUX_DATA(IRQ0_6_MARK,	PORT6_FN0, 	MSEL1CR_0_0),
diff --git a/arch/arm/mach-shmobile/pfc-sh7377.c b/arch/arm/mach-shmobile/pfc-sh7377.c
index 613e6842ad05..e4c70183e54e 100644
--- a/arch/arm/mach-shmobile/pfc-sh7377.c
+++ b/arch/arm/mach-shmobile/pfc-sh7377.c
@@ -360,45 +360,6 @@ enum {
 	PINMUX_MARK_END,
 };
 
-#define PORT_DATA_I(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
-
-#define PORT_DATA_I_PD(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_IN, PORT##nr##_IN_PD)
-
-#define PORT_DATA_I_PU(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_IN, PORT##nr##_IN_PU)
-
-#define PORT_DATA_I_PU_PD(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_IN, PORT##nr##_IN_PD,	\
-				PORT##nr##_IN_PU)
-
-#define PORT_DATA_O(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT)
-
-#define PORT_DATA_IO(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT, PORT##nr##_IN)
-
-#define PORT_DATA_IO_PD(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT, PORT##nr##_IN,		\
-				PORT##nr##_IN_PD)
-
-#define PORT_DATA_IO_PU(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT, PORT##nr##_IN,		\
-				PORT##nr##_IN_PU)
-
-#define PORT_DATA_IO_PU_PD(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT, PORT##nr##_IN,		\
-				PORT##nr##_IN_PD, PORT##nr##_IN_PU)
-
 static pinmux_enum_t pinmux_data[] = {
 	/* specify valid pin states for each pin in GPIO mode */
 	/* 55-1 (GPIO) */
diff --git a/arch/arm/mach-shmobile/pfc-sh73a0.c b/arch/arm/mach-shmobile/pfc-sh73a0.c
index a2d99b3a9fa8..f860caa96671 100644
--- a/arch/arm/mach-shmobile/pfc-sh73a0.c
+++ b/arch/arm/mach-shmobile/pfc-sh73a0.c
@@ -525,45 +525,6 @@ enum {
 	PINMUX_MARK_END,
 };
 
-#define PORT_DATA_I(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
-
-#define PORT_DATA_I_PD(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_IN, PORT##nr##_IN_PD)
-
-#define PORT_DATA_I_PU(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_IN, PORT##nr##_IN_PU)
-
-#define PORT_DATA_I_PU_PD(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_IN, PORT##nr##_IN_PD,	\
-				PORT##nr##_IN_PU)
-
-#define PORT_DATA_O(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT)
-
-#define PORT_DATA_IO(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT, PORT##nr##_IN)
-
-#define PORT_DATA_IO_PD(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT, PORT##nr##_IN,		\
-				PORT##nr##_IN_PD)
-
-#define PORT_DATA_IO_PU(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT, PORT##nr##_IN,		\
-				PORT##nr##_IN_PU)
-
-#define PORT_DATA_IO_PU_PD(nr)	\
-	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
-				PORT##nr##_OUT, PORT##nr##_IN,		\
-				PORT##nr##_IN_PD, PORT##nr##_IN_PU)
-
 static pinmux_enum_t pinmux_data[] = {
 	/* specify valid pin states for each pin in GPIO mode */
 
diff --git a/include/linux/sh_pfc.h b/include/linux/sh_pfc.h
index bc8c9208f7e2..5585f280dc1d 100644
--- a/include/linux/sh_pfc.h
+++ b/include/linux/sh_pfc.h
@@ -104,4 +104,40 @@ struct pinmux_info {
 int register_pinmux(struct pinmux_info *pip);
 int unregister_pinmux(struct pinmux_info *pip);
 
+/* helper macro for pinmux_enum_t */
+#define PORT_DATA_I(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
+
+#define PORT_DATA_I_PD(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+		    PORT##nr##_IN, PORT##nr##_IN_PD)
+
+#define PORT_DATA_I_PU(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+		    PORT##nr##_IN, PORT##nr##_IN_PU)
+
+#define PORT_DATA_I_PU_PD(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,			\
+		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
+
+#define PORT_DATA_O(nr)		\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT)
+
+#define PORT_DATA_IO(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
+		    PORT##nr##_IN)
+
+#define PORT_DATA_IO_PD(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
+		    PORT##nr##_IN, PORT##nr##_IN_PD)
+
+#define PORT_DATA_IO_PU(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
+		    PORT##nr##_IN, PORT##nr##_IN_PU)
+
+#define PORT_DATA_IO_PU_PD(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
+		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
+
+
 #endif /* __SH_PFC_H */
-- 
GitLab


From 972c3fb69cd1cd8d549b8a06ce42611eab405c20 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Nov 2011 18:45:33 -0800
Subject: [PATCH 0394/1594] ARM: mach-shmobile: move helper macro PORT_xx to
 sh_pfc.h

This patch moves PORT_xx helper macro to sh_pfc.h,
and it expects CPU_ALL_PORT() macro for each CPU

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/pfc-sh7367.c |  71 +++++++-----------
 arch/arm/mach-shmobile/pfc-sh7372.c |  32 ++-------
 arch/arm/mach-shmobile/pfc-sh7377.c | 103 +++++++++++---------------
 arch/arm/mach-shmobile/pfc-sh73a0.c | 108 ++++++++++++----------------
 include/linux/sh_pfc.h              |  23 ++++++
 5 files changed, 140 insertions(+), 197 deletions(-)

diff --git a/arch/arm/mach-shmobile/pfc-sh7367.c b/arch/arm/mach-shmobile/pfc-sh7367.c
index 25181166e2d8..32fbf0206b38 100644
--- a/arch/arm/mach-shmobile/pfc-sh7367.c
+++ b/arch/arm/mach-shmobile/pfc-sh7367.c
@@ -21,68 +21,49 @@
 #include <linux/gpio.h>
 #include <mach/sh7367.h>
 
-#define _1(fn, pfx, sfx) fn(pfx, sfx)
-
-#define _10(fn, pfx, sfx)				\
-	_1(fn, pfx##0, sfx), _1(fn, pfx##1, sfx),	\
-	_1(fn, pfx##2, sfx), _1(fn, pfx##3, sfx),	\
-	_1(fn, pfx##4, sfx), _1(fn, pfx##5, sfx),	\
-	_1(fn, pfx##6, sfx), _1(fn, pfx##7, sfx),	\
-	_1(fn, pfx##8, sfx), _1(fn, pfx##9, sfx)
-
-#define _90(fn, pfx, sfx)				\
-	_10(fn, pfx##1, sfx), _10(fn, pfx##2, sfx),	\
-	_10(fn, pfx##3, sfx), _10(fn, pfx##4, sfx),	\
-	_10(fn, pfx##5, sfx), _10(fn, pfx##6, sfx),	\
-	_10(fn, pfx##7, sfx), _10(fn, pfx##8, sfx),	\
-	_10(fn, pfx##9, sfx)
-
-#define _273(fn, pfx, sfx)		\
-	_10(fn, pfx, sfx), _90(fn, pfx, sfx),		\
-	_10(fn, pfx##10, sfx), _90(fn, pfx##1, sfx),	\
-	_10(fn, pfx##20, sfx), _10(fn, pfx##21, sfx),	\
-	_10(fn, pfx##22, sfx), _10(fn, pfx##23, sfx),	\
-	_10(fn, pfx##24, sfx), _10(fn, pfx##25, sfx),	\
-	_10(fn, pfx##26, sfx), _1(fn, pfx##270, sfx),	\
-	_1(fn, pfx##271, sfx), _1(fn, pfx##272, sfx)
-
-#define _PORT(pfx, sfx) pfx##_##sfx
-#define PORT_273(str) _273(_PORT, PORT, str)
+#define CPU_ALL_PORT(fn, pfx, sfx)				\
+	PORT_10(fn, pfx, sfx), PORT_90(fn, pfx, sfx),		\
+	PORT_10(fn, pfx##10, sfx), PORT_90(fn, pfx##1, sfx),	\
+	PORT_10(fn, pfx##20, sfx), PORT_10(fn, pfx##21, sfx),	\
+	PORT_10(fn, pfx##22, sfx), PORT_10(fn, pfx##23, sfx),	\
+	PORT_10(fn, pfx##24, sfx), PORT_10(fn, pfx##25, sfx),	\
+	PORT_10(fn, pfx##26, sfx), PORT_1(fn, pfx##270, sfx),	\
+	PORT_1(fn, pfx##271, sfx), PORT_1(fn, pfx##272, sfx)
 
 enum {
 	PINMUX_RESERVED = 0,
 
 	PINMUX_DATA_BEGIN,
-	PORT_273(DATA), /* PORT0_DATA -> PORT272_DATA */
+	PORT_ALL(DATA), /* PORT0_DATA -> PORT272_DATA */
 	PINMUX_DATA_END,
 
 	PINMUX_INPUT_BEGIN,
-	PORT_273(IN), /* PORT0_IN -> PORT272_IN */
+	PORT_ALL(IN), /* PORT0_IN -> PORT272_IN */
 	PINMUX_INPUT_END,
 
 	PINMUX_INPUT_PULLUP_BEGIN,
-	PORT_273(IN_PU), /* PORT0_IN_PU -> PORT272_IN_PU */
+	PORT_ALL(IN_PU), /* PORT0_IN_PU -> PORT272_IN_PU */
 	PINMUX_INPUT_PULLUP_END,
 
 	PINMUX_INPUT_PULLDOWN_BEGIN,
-	PORT_273(IN_PD), /* PORT0_IN_PD -> PORT272_IN_PD */
+	PORT_ALL(IN_PD), /* PORT0_IN_PD -> PORT272_IN_PD */
 	PINMUX_INPUT_PULLDOWN_END,
 
 	PINMUX_OUTPUT_BEGIN,
-	PORT_273(OUT), /* PORT0_OUT -> PORT272_OUT */
+	PORT_ALL(OUT), /* PORT0_OUT -> PORT272_OUT */
 	PINMUX_OUTPUT_END,
 
 	PINMUX_FUNCTION_BEGIN,
-	PORT_273(FN_IN), /* PORT0_FN_IN -> PORT272_FN_IN */
-	PORT_273(FN_OUT), /* PORT0_FN_OUT -> PORT272_FN_OUT */
-	PORT_273(FN0), /* PORT0_FN0 -> PORT272_FN0 */
-	PORT_273(FN1), /* PORT0_FN1 -> PORT272_FN1 */
-	PORT_273(FN2), /* PORT0_FN2 -> PORT272_FN2 */
-	PORT_273(FN3), /* PORT0_FN3 -> PORT272_FN3 */
-	PORT_273(FN4), /* PORT0_FN4 -> PORT272_FN4 */
-	PORT_273(FN5), /* PORT0_FN5 -> PORT272_FN5 */
-	PORT_273(FN6), /* PORT0_FN6 -> PORT272_FN6 */
-	PORT_273(FN7), /* PORT0_FN7 -> PORT272_FN7 */
+	PORT_ALL(FN_IN), /* PORT0_FN_IN -> PORT272_FN_IN */
+	PORT_ALL(FN_OUT), /* PORT0_FN_OUT -> PORT272_FN_OUT */
+	PORT_ALL(FN0), /* PORT0_FN0 -> PORT272_FN0 */
+	PORT_ALL(FN1), /* PORT0_FN1 -> PORT272_FN1 */
+	PORT_ALL(FN2), /* PORT0_FN2 -> PORT272_FN2 */
+	PORT_ALL(FN3), /* PORT0_FN3 -> PORT272_FN3 */
+	PORT_ALL(FN4), /* PORT0_FN4 -> PORT272_FN4 */
+	PORT_ALL(FN5), /* PORT0_FN5 -> PORT272_FN5 */
+	PORT_ALL(FN6), /* PORT0_FN6 -> PORT272_FN6 */
+	PORT_ALL(FN7), /* PORT0_FN7 -> PORT272_FN7 */
 
 	MSELBCR_MSEL2_1, MSELBCR_MSEL2_0,
 	PINMUX_FUNCTION_END,
@@ -1063,13 +1044,9 @@ static pinmux_enum_t pinmux_data[] = {
 	PINMUX_DATA(DIVLOCK_MARK, PORT272_FN1),
 };
 
-#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
-#define GPIO_PORT_273() _273(_GPIO_PORT, , unused)
-#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
-
 static struct pinmux_gpio pinmux_gpios[] = {
 	/* 49-1 -> 49-6 (GPIO) */
-	GPIO_PORT_273(),
+	GPIO_PORT_ALL(),
 
 	/* Special Pull-up / Pull-down Functions */
 	GPIO_FN(PORT48_KEYIN0_PU), GPIO_FN(PORT49_KEYIN1_PU),
diff --git a/arch/arm/mach-shmobile/pfc-sh7372.c b/arch/arm/mach-shmobile/pfc-sh7372.c
index 34d6d763ec45..4b43626598ca 100644
--- a/arch/arm/mach-shmobile/pfc-sh7372.c
+++ b/arch/arm/mach-shmobile/pfc-sh7372.c
@@ -25,27 +25,13 @@
 #include <linux/gpio.h>
 #include <mach/sh7372.h>
 
-#define _1(fn, pfx, sfx) fn(pfx, sfx)
-
-#define _10(fn, pfx, sfx)				\
-	_1(fn, pfx##0, sfx), _1(fn, pfx##1, sfx),	\
-	_1(fn, pfx##2, sfx), _1(fn, pfx##3, sfx),	\
-	_1(fn, pfx##4, sfx), _1(fn, pfx##5, sfx),	\
-	_1(fn, pfx##6, sfx), _1(fn, pfx##7, sfx),	\
-	_1(fn, pfx##8, sfx), _1(fn, pfx##9, sfx)
-
-#define _80(fn, pfx, sfx)				\
-	_10(fn, pfx##1, sfx),	_10(fn, pfx##2, sfx),	\
-	_10(fn, pfx##3, sfx),	_10(fn, pfx##4, sfx),	\
-	_10(fn, pfx##5, sfx),	_10(fn, pfx##6, sfx),	\
-	_10(fn, pfx##7, sfx),	_10(fn, pfx##8, sfx)
-
-#define _190(fn, pfx, sfx) \
-	_10(fn, pfx, sfx), _80(fn, pfx, sfx), _10(fn, pfx##9, sfx), \
-	_10(fn, pfx##10, sfx), _80(fn, pfx##1, sfx), _1(fn, pfx##190, sfx)
-
-#define _PORT(pfx, sfx) pfx##_##sfx
-#define PORT_ALL(str) _190(_PORT, PORT, str)
+#define CPU_ALL_PORT(fn, pfx, sfx) \
+	PORT_10(fn, pfx, sfx),		PORT_90(fn, pfx, sfx), \
+	PORT_10(fn, pfx##10, sfx),	PORT_10(fn, pfx##11, sfx), \
+	PORT_10(fn, pfx##12, sfx),	PORT_10(fn, pfx##13, sfx), \
+	PORT_10(fn, pfx##14, sfx),	PORT_10(fn, pfx##15, sfx), \
+	PORT_10(fn, pfx##16, sfx),	PORT_10(fn, pfx##17, sfx), \
+	PORT_10(fn, pfx##18, sfx),	PORT_1(fn, pfx##190, sfx)
 
 enum {
 	PINMUX_RESERVED = 0,
@@ -942,10 +928,6 @@ static pinmux_enum_t pinmux_data[] = {
 	PINMUX_DATA(MFIv4_MARK,		MSEL4CR_6_1),
 };
 
-#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
-#define GPIO_PORT_ALL() _190(_GPIO_PORT, , unused)
-#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
-
 static struct pinmux_gpio pinmux_gpios[] = {
 
 	/* PORT */
diff --git a/arch/arm/mach-shmobile/pfc-sh7377.c b/arch/arm/mach-shmobile/pfc-sh7377.c
index e4c70183e54e..fb3cfd3cff46 100644
--- a/arch/arm/mach-shmobile/pfc-sh7377.c
+++ b/arch/arm/mach-shmobile/pfc-sh7377.c
@@ -22,84 +22,65 @@
 #include <linux/gpio.h>
 #include <mach/sh7377.h>
 
-#define _1(fn, pfx, sfx) fn(pfx, sfx)
-
-#define _10(fn, pfx, sfx)				\
-	_1(fn, pfx##0, sfx), _1(fn, pfx##1, sfx),	\
-	_1(fn, pfx##2, sfx), _1(fn, pfx##3, sfx),	\
-	_1(fn, pfx##4, sfx), _1(fn, pfx##5, sfx),	\
-	_1(fn, pfx##6, sfx), _1(fn, pfx##7, sfx),	\
-	_1(fn, pfx##8, sfx), _1(fn, pfx##9, sfx)
-
-#define _90(fn, pfx, sfx)				\
-	_10(fn, pfx##1, sfx), _10(fn, pfx##2, sfx),	\
-	_10(fn, pfx##3, sfx), _10(fn, pfx##4, sfx),	\
-	_10(fn, pfx##5, sfx), _10(fn, pfx##6, sfx),	\
-	_10(fn, pfx##7, sfx), _10(fn, pfx##8, sfx),	\
-	_10(fn, pfx##9, sfx)
-
-#define _265(fn, pfx, sfx)				\
-	_10(fn, pfx, sfx), _90(fn, pfx, sfx),		\
-	_10(fn, pfx##10, sfx),				\
-	_1(fn, pfx##110, sfx), _1(fn, pfx##111, sfx),	\
-	_1(fn, pfx##112, sfx), _1(fn, pfx##113, sfx),	\
-	_1(fn, pfx##114, sfx), _1(fn, pfx##115, sfx),	\
-	_1(fn, pfx##116, sfx), _1(fn, pfx##117, sfx),	\
-	_1(fn, pfx##118, sfx),				\
-	_1(fn, pfx##128, sfx), _1(fn, pfx##129, sfx),	\
-	_10(fn, pfx##13, sfx), _10(fn, pfx##14, sfx),	\
-	_10(fn, pfx##15, sfx),				\
-	_1(fn, pfx##160, sfx), _1(fn, pfx##161, sfx),	\
-	_1(fn, pfx##162, sfx), _1(fn, pfx##163, sfx),	\
-	_1(fn, pfx##164, sfx),				\
-	_1(fn, pfx##192, sfx), _1(fn, pfx##193, sfx),	\
-	_1(fn, pfx##194, sfx), _1(fn, pfx##195, sfx),	\
-	_1(fn, pfx##196, sfx), _1(fn, pfx##197, sfx),	\
-	_1(fn, pfx##198, sfx), _1(fn, pfx##199, sfx),	\
-	_10(fn, pfx##20, sfx), _10(fn, pfx##21, sfx),	\
-	_10(fn, pfx##22, sfx), _10(fn, pfx##23, sfx),	\
-	_10(fn, pfx##24, sfx), _10(fn, pfx##25, sfx),	\
-	_1(fn, pfx##260, sfx), _1(fn, pfx##261, sfx),	\
-	_1(fn, pfx##262, sfx), _1(fn, pfx##263, sfx),	\
-	_1(fn, pfx##264, sfx)
-
-#define _PORT(pfx, sfx) pfx##_##sfx
-#define PORT_265(str) _265(_PORT, PORT, str)
+#define CPU_ALL_PORT(fn, pfx, sfx)				\
+	PORT_10(fn, pfx, sfx), PORT_90(fn, pfx, sfx),		\
+	PORT_10(fn, pfx##10, sfx),				\
+	PORT_1(fn, pfx##110, sfx), PORT_1(fn, pfx##111, sfx),	\
+	PORT_1(fn, pfx##112, sfx), PORT_1(fn, pfx##113, sfx),	\
+	PORT_1(fn, pfx##114, sfx), PORT_1(fn, pfx##115, sfx),	\
+	PORT_1(fn, pfx##116, sfx), PORT_1(fn, pfx##117, sfx),	\
+	PORT_1(fn, pfx##118, sfx),				\
+	PORT_1(fn, pfx##128, sfx), PORT_1(fn, pfx##129, sfx),	\
+	PORT_10(fn, pfx##13, sfx), PORT_10(fn, pfx##14, sfx),	\
+	PORT_10(fn, pfx##15, sfx),				\
+	PORT_1(fn, pfx##160, sfx), PORT_1(fn, pfx##161, sfx),	\
+	PORT_1(fn, pfx##162, sfx), PORT_1(fn, pfx##163, sfx),	\
+	PORT_1(fn, pfx##164, sfx),				\
+	PORT_1(fn, pfx##192, sfx), PORT_1(fn, pfx##193, sfx),	\
+	PORT_1(fn, pfx##194, sfx), PORT_1(fn, pfx##195, sfx),	\
+	PORT_1(fn, pfx##196, sfx), PORT_1(fn, pfx##197, sfx),	\
+	PORT_1(fn, pfx##198, sfx), PORT_1(fn, pfx##199, sfx),	\
+	PORT_10(fn, pfx##20, sfx), PORT_10(fn, pfx##21, sfx),	\
+	PORT_10(fn, pfx##22, sfx), PORT_10(fn, pfx##23, sfx),	\
+	PORT_10(fn, pfx##24, sfx), PORT_10(fn, pfx##25, sfx),	\
+	PORT_1(fn, pfx##260, sfx), PORT_1(fn, pfx##261, sfx),	\
+	PORT_1(fn, pfx##262, sfx), PORT_1(fn, pfx##263, sfx),	\
+	PORT_1(fn, pfx##264, sfx)
 
 enum {
 	PINMUX_RESERVED = 0,
 
 	PINMUX_DATA_BEGIN,
-	PORT_265(DATA), /* PORT0_DATA -> PORT264_DATA */
+	PORT_ALL(DATA), /* PORT0_DATA -> PORT264_DATA */
 	PINMUX_DATA_END,
 
 	PINMUX_INPUT_BEGIN,
-	PORT_265(IN), /* PORT0_IN -> PORT264_IN */
+	PORT_ALL(IN), /* PORT0_IN -> PORT264_IN */
 	PINMUX_INPUT_END,
 
 	PINMUX_INPUT_PULLUP_BEGIN,
-	PORT_265(IN_PU), /* PORT0_IN_PU -> PORT264_IN_PU */
+	PORT_ALL(IN_PU), /* PORT0_IN_PU -> PORT264_IN_PU */
 	PINMUX_INPUT_PULLUP_END,
 
 	PINMUX_INPUT_PULLDOWN_BEGIN,
-	PORT_265(IN_PD), /* PORT0_IN_PD -> PORT264_IN_PD */
+	PORT_ALL(IN_PD), /* PORT0_IN_PD -> PORT264_IN_PD */
 	PINMUX_INPUT_PULLDOWN_END,
 
 	PINMUX_OUTPUT_BEGIN,
-	PORT_265(OUT), /* PORT0_OUT -> PORT264_OUT */
+	PORT_ALL(OUT), /* PORT0_OUT -> PORT264_OUT */
 	PINMUX_OUTPUT_END,
 
 	PINMUX_FUNCTION_BEGIN,
-	PORT_265(FN_IN), /* PORT0_FN_IN -> PORT264_FN_IN */
-	PORT_265(FN_OUT), /* PORT0_FN_OUT -> PORT264_FN_OUT */
-	PORT_265(FN0), /* PORT0_FN0 -> PORT264_FN0 */
-	PORT_265(FN1), /* PORT0_FN1 -> PORT264_FN1 */
-	PORT_265(FN2), /* PORT0_FN2 -> PORT264_FN2 */
-	PORT_265(FN3), /* PORT0_FN3 -> PORT264_FN3 */
-	PORT_265(FN4), /* PORT0_FN4 -> PORT264_FN4 */
-	PORT_265(FN5), /* PORT0_FN5 -> PORT264_FN5 */
-	PORT_265(FN6), /* PORT0_FN6 -> PORT264_FN6 */
-	PORT_265(FN7), /* PORT0_FN7 -> PORT264_FN7 */
+	PORT_ALL(FN_IN), /* PORT0_FN_IN -> PORT264_FN_IN */
+	PORT_ALL(FN_OUT), /* PORT0_FN_OUT -> PORT264_FN_OUT */
+	PORT_ALL(FN0), /* PORT0_FN0 -> PORT264_FN0 */
+	PORT_ALL(FN1), /* PORT0_FN1 -> PORT264_FN1 */
+	PORT_ALL(FN2), /* PORT0_FN2 -> PORT264_FN2 */
+	PORT_ALL(FN3), /* PORT0_FN3 -> PORT264_FN3 */
+	PORT_ALL(FN4), /* PORT0_FN4 -> PORT264_FN4 */
+	PORT_ALL(FN5), /* PORT0_FN5 -> PORT264_FN5 */
+	PORT_ALL(FN6), /* PORT0_FN6 -> PORT264_FN6 */
+	PORT_ALL(FN7), /* PORT0_FN7 -> PORT264_FN7 */
 
 	MSELBCR_MSEL17_1, MSELBCR_MSEL17_0,
 	MSELBCR_MSEL16_1, MSELBCR_MSEL16_0,
@@ -1039,13 +1020,9 @@ static pinmux_enum_t pinmux_data[] = {
 	PINMUX_DATA(RESETOUTS_MARK, PORT264_FN1),
 };
 
-#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
-#define GPIO_PORT_265() _265(_GPIO_PORT, , unused)
-#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
-
 static struct pinmux_gpio pinmux_gpios[] = {
 	/* 55-1 -> 55-5 (GPIO) */
-	GPIO_PORT_265(),
+	GPIO_PORT_ALL(),
 
 	/* Special Pull-up / Pull-down Functions */
 	GPIO_FN(PORT66_KEYIN0_PU), GPIO_FN(PORT67_KEYIN1_PU),
diff --git a/arch/arm/mach-shmobile/pfc-sh73a0.c b/arch/arm/mach-shmobile/pfc-sh73a0.c
index f860caa96671..a1ea11956b15 100644
--- a/arch/arm/mach-shmobile/pfc-sh73a0.c
+++ b/arch/arm/mach-shmobile/pfc-sh73a0.c
@@ -24,83 +24,71 @@
 #include <mach/sh73a0.h>
 #include <mach/irqs.h>
 
-#define _1(fn, pfx, sfx) fn(pfx, sfx)
-
-#define _10(fn, pfx, sfx)				\
-	_1(fn, pfx##0, sfx), _1(fn, pfx##1, sfx),	\
-	_1(fn, pfx##2, sfx), _1(fn, pfx##3, sfx),	\
-	_1(fn, pfx##4, sfx), _1(fn, pfx##5, sfx),	\
-	_1(fn, pfx##6, sfx), _1(fn, pfx##7, sfx),	\
-	_1(fn, pfx##8, sfx), _1(fn, pfx##9, sfx)
-
-#define _310(fn, pfx, sfx)				\
-	_10(fn, pfx,    sfx), _10(fn, pfx##1, sfx),	\
-	_10(fn, pfx##2, sfx), _10(fn, pfx##3, sfx),	\
-	_10(fn, pfx##4, sfx), _10(fn, pfx##5, sfx),	\
-	_10(fn, pfx##6, sfx), _10(fn, pfx##7, sfx),	\
-	_10(fn, pfx##8, sfx), _10(fn, pfx##9, sfx),	\
-	_10(fn, pfx##10, sfx),				\
-	_1(fn, pfx##110, sfx), _1(fn, pfx##111, sfx),	\
-	_1(fn, pfx##112, sfx), _1(fn, pfx##113, sfx),	\
-	_1(fn, pfx##114, sfx), _1(fn, pfx##115, sfx),	\
-	_1(fn, pfx##116, sfx), _1(fn, pfx##117, sfx),	\
-	_1(fn, pfx##118, sfx),				\
-	_1(fn, pfx##128, sfx), _1(fn, pfx##129, sfx),	\
-	_10(fn, pfx##13, sfx), _10(fn, pfx##14, sfx),	\
-	_10(fn, pfx##15, sfx),				\
-	_1(fn, pfx##160, sfx), _1(fn, pfx##161, sfx),	\
-	_1(fn, pfx##162, sfx), _1(fn, pfx##163, sfx),	\
-	_1(fn, pfx##164, sfx),				\
-	_1(fn, pfx##192, sfx), _1(fn, pfx##193, sfx),	\
-	_1(fn, pfx##194, sfx), _1(fn, pfx##195, sfx),	\
-	_1(fn, pfx##196, sfx), _1(fn, pfx##197, sfx),	\
-	_1(fn, pfx##198, sfx), _1(fn, pfx##199, sfx),	\
-	_10(fn, pfx##20, sfx), _10(fn, pfx##21, sfx),	\
-	_10(fn, pfx##22, sfx), _10(fn, pfx##23, sfx),	\
-	_10(fn, pfx##24, sfx), _10(fn, pfx##25, sfx),	\
-	_10(fn, pfx##26, sfx), _10(fn, pfx##27, sfx),	\
-	_1(fn, pfx##280, sfx), _1(fn, pfx##281, sfx),	\
-	_1(fn, pfx##282, sfx),				\
-	_1(fn, pfx##288, sfx), _1(fn, pfx##289, sfx),	\
-	_10(fn, pfx##29, sfx), _10(fn, pfx##30, sfx)
-
-#define _PORT(pfx, sfx) pfx##_##sfx
-#define PORT_310(str) _310(_PORT, PORT, str)
+#define CPU_ALL_PORT(fn, pfx, sfx)				\
+	PORT_10(fn, pfx,    sfx), PORT_10(fn, pfx##1, sfx),	\
+	PORT_10(fn, pfx##2, sfx), PORT_10(fn, pfx##3, sfx),	\
+	PORT_10(fn, pfx##4, sfx), PORT_10(fn, pfx##5, sfx),	\
+	PORT_10(fn, pfx##6, sfx), PORT_10(fn, pfx##7, sfx),	\
+	PORT_10(fn, pfx##8, sfx), PORT_10(fn, pfx##9, sfx),	\
+	PORT_10(fn, pfx##10, sfx),				\
+	PORT_1(fn, pfx##110, sfx), PORT_1(fn, pfx##111, sfx),	\
+	PORT_1(fn, pfx##112, sfx), PORT_1(fn, pfx##113, sfx),	\
+	PORT_1(fn, pfx##114, sfx), PORT_1(fn, pfx##115, sfx),	\
+	PORT_1(fn, pfx##116, sfx), PORT_1(fn, pfx##117, sfx),	\
+	PORT_1(fn, pfx##118, sfx),				\
+	PORT_1(fn, pfx##128, sfx), PORT_1(fn, pfx##129, sfx),	\
+	PORT_10(fn, pfx##13, sfx), PORT_10(fn, pfx##14, sfx),	\
+	PORT_10(fn, pfx##15, sfx),				\
+	PORT_1(fn, pfx##160, sfx), PORT_1(fn, pfx##161, sfx),	\
+	PORT_1(fn, pfx##162, sfx), PORT_1(fn, pfx##163, sfx),	\
+	PORT_1(fn, pfx##164, sfx),				\
+	PORT_1(fn, pfx##192, sfx), PORT_1(fn, pfx##193, sfx),	\
+	PORT_1(fn, pfx##194, sfx), PORT_1(fn, pfx##195, sfx),	\
+	PORT_1(fn, pfx##196, sfx), PORT_1(fn, pfx##197, sfx),	\
+	PORT_1(fn, pfx##198, sfx), PORT_1(fn, pfx##199, sfx),	\
+	PORT_10(fn, pfx##20, sfx), PORT_10(fn, pfx##21, sfx),	\
+	PORT_10(fn, pfx##22, sfx), PORT_10(fn, pfx##23, sfx),	\
+	PORT_10(fn, pfx##24, sfx), PORT_10(fn, pfx##25, sfx),	\
+	PORT_10(fn, pfx##26, sfx), PORT_10(fn, pfx##27, sfx),	\
+	PORT_1(fn, pfx##280, sfx), PORT_1(fn, pfx##281, sfx),	\
+	PORT_1(fn, pfx##282, sfx),				\
+	PORT_1(fn, pfx##288, sfx), PORT_1(fn, pfx##289, sfx),	\
+	PORT_10(fn, pfx##29, sfx), PORT_10(fn, pfx##30, sfx)
 
 enum {
 	PINMUX_RESERVED = 0,
 
 	PINMUX_DATA_BEGIN,
-	PORT_310(DATA),			/* PORT0_DATA -> PORT309_DATA */
+	PORT_ALL(DATA),			/* PORT0_DATA -> PORT309_DATA */
 	PINMUX_DATA_END,
 
 	PINMUX_INPUT_BEGIN,
-	PORT_310(IN),			/* PORT0_IN -> PORT309_IN */
+	PORT_ALL(IN),			/* PORT0_IN -> PORT309_IN */
 	PINMUX_INPUT_END,
 
 	PINMUX_INPUT_PULLUP_BEGIN,
-	PORT_310(IN_PU),		/* PORT0_IN_PU -> PORT309_IN_PU */
+	PORT_ALL(IN_PU),		/* PORT0_IN_PU -> PORT309_IN_PU */
 	PINMUX_INPUT_PULLUP_END,
 
 	PINMUX_INPUT_PULLDOWN_BEGIN,
-	PORT_310(IN_PD),		/* PORT0_IN_PD -> PORT309_IN_PD */
+	PORT_ALL(IN_PD),		/* PORT0_IN_PD -> PORT309_IN_PD */
 	PINMUX_INPUT_PULLDOWN_END,
 
 	PINMUX_OUTPUT_BEGIN,
-	PORT_310(OUT),			/* PORT0_OUT -> PORT309_OUT */
+	PORT_ALL(OUT),			/* PORT0_OUT -> PORT309_OUT */
 	PINMUX_OUTPUT_END,
 
 	PINMUX_FUNCTION_BEGIN,
-	PORT_310(FN_IN),		/* PORT0_FN_IN -> PORT309_FN_IN */
-	PORT_310(FN_OUT),		/* PORT0_FN_OUT -> PORT309_FN_OUT */
-	PORT_310(FN0),			/* PORT0_FN0 -> PORT309_FN0 */
-	PORT_310(FN1),			/* PORT0_FN1 -> PORT309_FN1 */
-	PORT_310(FN2),			/* PORT0_FN2 -> PORT309_FN2 */
-	PORT_310(FN3),			/* PORT0_FN3 -> PORT309_FN3 */
-	PORT_310(FN4),			/* PORT0_FN4 -> PORT309_FN4 */
-	PORT_310(FN5),			/* PORT0_FN5 -> PORT309_FN5 */
-	PORT_310(FN6),			/* PORT0_FN6 -> PORT309_FN6 */
-	PORT_310(FN7),			/* PORT0_FN7 -> PORT309_FN7 */
+	PORT_ALL(FN_IN),		/* PORT0_FN_IN -> PORT309_FN_IN */
+	PORT_ALL(FN_OUT),		/* PORT0_FN_OUT -> PORT309_FN_OUT */
+	PORT_ALL(FN0),			/* PORT0_FN0 -> PORT309_FN0 */
+	PORT_ALL(FN1),			/* PORT0_FN1 -> PORT309_FN1 */
+	PORT_ALL(FN2),			/* PORT0_FN2 -> PORT309_FN2 */
+	PORT_ALL(FN3),			/* PORT0_FN3 -> PORT309_FN3 */
+	PORT_ALL(FN4),			/* PORT0_FN4 -> PORT309_FN4 */
+	PORT_ALL(FN5),			/* PORT0_FN5 -> PORT309_FN5 */
+	PORT_ALL(FN6),			/* PORT0_FN6 -> PORT309_FN6 */
+	PORT_ALL(FN7),			/* PORT0_FN7 -> PORT309_FN7 */
 
 	MSEL2CR_MSEL19_0, MSEL2CR_MSEL19_1,
 	MSEL2CR_MSEL18_0, MSEL2CR_MSEL18_1,
@@ -1555,12 +1543,8 @@ static pinmux_enum_t pinmux_data[] = {
 	PINMUX_DATA(FSIAISLD_PU_MARK, PORT55_FN1, PORT55_IN_PU),
 };
 
-#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
-#define GPIO_PORT_310() _310(_GPIO_PORT, , unused)
-#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
-
 static struct pinmux_gpio pinmux_gpios[] = {
-	GPIO_PORT_310(),
+	GPIO_PORT_ALL(),
 
 	/* Table 25-1 (Functions 0-7) */
 	GPIO_FN(VBUS_0),
diff --git a/include/linux/sh_pfc.h b/include/linux/sh_pfc.h
index 5585f280dc1d..5f6322ac63e7 100644
--- a/include/linux/sh_pfc.h
+++ b/include/linux/sh_pfc.h
@@ -104,6 +104,29 @@ struct pinmux_info {
 int register_pinmux(struct pinmux_info *pip);
 int unregister_pinmux(struct pinmux_info *pip);
 
+/* helper macro for port */
+#define PORT_1(fn, pfx, sfx) fn(pfx, sfx)
+
+#define PORT_10(fn, pfx, sfx) \
+	PORT_1(fn, pfx##0, sfx), PORT_1(fn, pfx##1, sfx),	\
+	PORT_1(fn, pfx##2, sfx), PORT_1(fn, pfx##3, sfx),	\
+	PORT_1(fn, pfx##4, sfx), PORT_1(fn, pfx##5, sfx),	\
+	PORT_1(fn, pfx##6, sfx), PORT_1(fn, pfx##7, sfx),	\
+	PORT_1(fn, pfx##8, sfx), PORT_1(fn, pfx##9, sfx)
+
+#define PORT_90(fn, pfx, sfx) \
+	PORT_10(fn, pfx##1, sfx), PORT_10(fn, pfx##2, sfx),	\
+	PORT_10(fn, pfx##3, sfx), PORT_10(fn, pfx##4, sfx),	\
+	PORT_10(fn, pfx##5, sfx), PORT_10(fn, pfx##6, sfx),	\
+	PORT_10(fn, pfx##7, sfx), PORT_10(fn, pfx##8, sfx),	\
+	PORT_10(fn, pfx##9, sfx)
+
+#define _PORT_ALL(pfx, sfx) pfx##_##sfx
+#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
+#define PORT_ALL(str)	CPU_ALL_PORT(_PORT_ALL, PORT, str)
+#define GPIO_PORT_ALL()	CPU_ALL_PORT(_GPIO_PORT, , unused)
+#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
+
 /* helper macro for pinmux_enum_t */
 #define PORT_DATA_I(nr)	\
 	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
-- 
GitLab


From 9b49139b34a66907662e0be8efe79316dc63f8e0 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Nov 2011 18:45:43 -0800
Subject: [PATCH 0395/1594] ARM: mach-shmobile: move helper macro PORTCR to
 sh_pfc.h

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/pfc-sh7367.c | 16 ----------------
 arch/arm/mach-shmobile/pfc-sh7372.c | 16 ----------------
 arch/arm/mach-shmobile/pfc-sh7377.c | 17 -----------------
 arch/arm/mach-shmobile/pfc-sh73a0.c | 12 ------------
 include/linux/sh_pfc.h              | 17 +++++++++++++++++
 5 files changed, 17 insertions(+), 61 deletions(-)

diff --git a/arch/arm/mach-shmobile/pfc-sh7367.c b/arch/arm/mach-shmobile/pfc-sh7367.c
index 32fbf0206b38..e6e524654e67 100644
--- a/arch/arm/mach-shmobile/pfc-sh7367.c
+++ b/arch/arm/mach-shmobile/pfc-sh7367.c
@@ -1287,22 +1287,6 @@ static struct pinmux_gpio pinmux_gpios[] = {
 	GPIO_FN(DIVLOCK),
 };
 
-/* helper for top 4 bits in PORTnCR */
-#define PCRH(in, in_pd, in_pu, out)		\
-	0, (out), (in), 0,			\
-	0, 0, 0, 0,				\
-	0, 0, (in_pd), 0,			\
-	0, 0, (in_pu), 0
-
-#define PORTCR(nr, reg)						\
-	{ PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) {		\
-		PCRH(PORT##nr##_IN, PORT##nr##_IN_PD,		\
-		     PORT##nr##_IN_PU, PORT##nr##_OUT),		\
-		PORT##nr##_FN0, PORT##nr##_FN1, PORT##nr##_FN2,	\
-		PORT##nr##_FN3,	PORT##nr##_FN4, PORT##nr##_FN5,	\
-		PORT##nr##_FN6, PORT##nr##_FN7 }		\
-	}
-
 static struct pinmux_cfg_reg pinmux_config_regs[] = {
 	PORTCR(0, 0xe6050000), /* PORT0CR */
 	PORTCR(1, 0xe6050001), /* PORT1CR */
diff --git a/arch/arm/mach-shmobile/pfc-sh7372.c b/arch/arm/mach-shmobile/pfc-sh7372.c
index 4b43626598ca..1bd6585a6acf 100644
--- a/arch/arm/mach-shmobile/pfc-sh7372.c
+++ b/arch/arm/mach-shmobile/pfc-sh7372.c
@@ -1199,22 +1199,6 @@ static struct pinmux_gpio pinmux_gpios[] = {
 	GPIO_FN(SDENC_DV_CLKI),
 };
 
-/* helper for top 4 bits in PORTnCR */
-#define PCRH(in, in_pd, in_pu, out)		\
-	0, (out), (in), 0,			\
-	0, 0, 0, 0,				\
-	0, 0, (in_pd), 0,			\
-	0, 0, (in_pu), 0
-
-#define PORTCR(nr, reg)						\
-	{ PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) {		\
-		PCRH(PORT##nr##_IN, PORT##nr##_IN_PD,		\
-		     PORT##nr##_IN_PU, PORT##nr##_OUT),		\
-		PORT##nr##_FN0, PORT##nr##_FN1, PORT##nr##_FN2,	\
-		PORT##nr##_FN3,	PORT##nr##_FN4, PORT##nr##_FN5,	\
-		PORT##nr##_FN6, PORT##nr##_FN7 }		\
-	}
-
 static struct pinmux_cfg_reg pinmux_config_regs[] = {
 	PORTCR(0,	0xE6051000), /* PORT0CR */
 	PORTCR(1,	0xE6051001), /* PORT1CR */
diff --git a/arch/arm/mach-shmobile/pfc-sh7377.c b/arch/arm/mach-shmobile/pfc-sh7377.c
index fb3cfd3cff46..2f10511946ad 100644
--- a/arch/arm/mach-shmobile/pfc-sh7377.c
+++ b/arch/arm/mach-shmobile/pfc-sh7377.c
@@ -1300,23 +1300,6 @@ static struct pinmux_gpio pinmux_gpios[] = {
 	GPIO_FN(RESETOUTS),
 };
 
-/* helper for top 4 bits in PORTnCR */
-#define PCRH(in, in_pd, in_pu, out)	\
-	0, (out), (in), 0,	\
-		0, 0, 0, 0,	\
-		0, 0, (in_pd), 0,	\
-		0, 0, (in_pu), 0
-
-#define PORTCR(nr, reg)	\
-	{ PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) {	\
-			PCRH(PORT##nr##_IN, PORT##nr##_IN_PD,	\
-				 PORT##nr##_IN_PU, PORT##nr##_OUT),	\
-				PORT##nr##_FN0, PORT##nr##_FN1,	\
-				PORT##nr##_FN2, PORT##nr##_FN3,	\
-				PORT##nr##_FN4, PORT##nr##_FN5,	\
-				PORT##nr##_FN6, PORT##nr##_FN7 }	\
-	}
-
 static struct pinmux_cfg_reg pinmux_config_regs[] = {
 	PORTCR(0, 0xe6050000), /* PORT0CR */
 	PORTCR(1, 0xe6050001), /* PORT1CR */
diff --git a/arch/arm/mach-shmobile/pfc-sh73a0.c b/arch/arm/mach-shmobile/pfc-sh73a0.c
index a1ea11956b15..e05634ce2e0d 100644
--- a/arch/arm/mach-shmobile/pfc-sh73a0.c
+++ b/arch/arm/mach-shmobile/pfc-sh73a0.c
@@ -2221,18 +2221,6 @@ static struct pinmux_gpio pinmux_gpios[] = {
 	GPIO_FN(FSIAISLD_PU),
 };
 
-#define PORTCR(nr, reg)	\
-	{ PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) { \
-		0, \
-		/*0001*/ PORT##nr##_OUT , \
-		/*0010*/ PORT##nr##_IN , 0, 0, 0, 0, 0, 0, 0, \
-		/*1010*/ PORT##nr##_IN_PD, 0, 0, 0, \
-		/*1110*/ PORT##nr##_IN_PU, 0, \
-		PORT##nr##_FN0, PORT##nr##_FN1,	PORT##nr##_FN2, \
-		PORT##nr##_FN3,	PORT##nr##_FN4, PORT##nr##_FN5, \
-		PORT##nr##_FN6, PORT##nr##_FN7, 0, 0, 0, 0, 0, 0, 0, 0 } \
-	}
-
 static struct pinmux_cfg_reg pinmux_config_regs[] = {
 	PORTCR(0, 0xe6050000), /* PORT0CR */
 	PORTCR(1, 0xe6050001), /* PORT1CR */
diff --git a/include/linux/sh_pfc.h b/include/linux/sh_pfc.h
index 5f6322ac63e7..8446789216e5 100644
--- a/include/linux/sh_pfc.h
+++ b/include/linux/sh_pfc.h
@@ -162,5 +162,22 @@ int unregister_pinmux(struct pinmux_info *pip);
 	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT,	\
 		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
 
+/* helper macro for top 4 bits in PORTnCR */
+#define _PCRH(in, in_pd, in_pu, out)	\
+	0, (out), (in), 0,		\
+	0, 0, 0, 0,			\
+	0, 0, (in_pd), 0,		\
+	0, 0, (in_pu), 0
+
+#define PORTCR(nr, reg)							\
+	{								\
+		PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) {		\
+			_PCRH(PORT##nr##_IN, PORT##nr##_IN_PD,		\
+			      PORT##nr##_IN_PU, PORT##nr##_OUT),	\
+				PORT##nr##_FN0, PORT##nr##_FN1,		\
+				PORT##nr##_FN2, PORT##nr##_FN3,		\
+				PORT##nr##_FN4, PORT##nr##_FN5,		\
+				PORT##nr##_FN6, PORT##nr##_FN7 }	\
+	}
 
 #endif /* __SH_PFC_H */
-- 
GitLab


From b73b5c493ac001870bd9faf565a61908c82f52d8 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Fri, 11 Nov 2011 14:01:30 +0900
Subject: [PATCH 0396/1594] ARM: mach-shmobile: cpuidle single/global and
 last_state fixes

The following commits break cpuidle on SH-Mobile ARM:

46bcfad cpuidle: Single/Global registration of idle states
e978aa7 cpuidle: Move dev->last_residency update to driver enter routine; remove dev->last_state

This patch remedies these issues by up-porting the SH-Mobile
code to fit with the above introduced framework changes.

It is worth noting that the new code becomes significantly cleaner,
so these framework changes are very welcome. At the same time this
breakage could probably have been avoided by grepping for "last_state"
and "cpuidle_register_driver".

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/cpuidle.c             | 52 +++++++++-----------
 arch/arm/mach-shmobile/include/mach/common.h |  4 +-
 arch/arm/mach-shmobile/pm-sh7372.c           | 14 ++----
 3 files changed, 30 insertions(+), 40 deletions(-)

diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c
index 2e44f11f592e..1b2334277e85 100644
--- a/arch/arm/mach-shmobile/cpuidle.c
+++ b/arch/arm/mach-shmobile/cpuidle.c
@@ -26,65 +26,59 @@ void (*shmobile_cpuidle_modes[CPUIDLE_STATE_MAX])(void) = {
 };
 
 static int shmobile_cpuidle_enter(struct cpuidle_device *dev,
-				  struct cpuidle_state *state)
+				  struct cpuidle_driver *drv,
+				  int index)
 {
 	ktime_t before, after;
-	int requested_state = state - &dev->states[0];
 
-	dev->last_state = &dev->states[requested_state];
 	before = ktime_get();
 
 	local_irq_disable();
 	local_fiq_disable();
 
-	shmobile_cpuidle_modes[requested_state]();
+	shmobile_cpuidle_modes[index]();
 
 	local_irq_enable();
 	local_fiq_enable();
 
 	after = ktime_get();
-	return ktime_to_ns(ktime_sub(after, before)) >> 10;
+	dev->last_residency = ktime_to_ns(ktime_sub(after, before)) >> 10;
+
+	return index;
 }
 
 static struct cpuidle_device shmobile_cpuidle_dev;
 static struct cpuidle_driver shmobile_cpuidle_driver = {
 	.name =		"shmobile_cpuidle",
 	.owner =	THIS_MODULE,
+	.states[0] = {
+		.name = "C1",
+		.desc = "WFI",
+		.exit_latency = 1,
+		.target_residency = 1 * 2,
+		.flags = CPUIDLE_FLAG_TIME_VALID,
+	},
+	.safe_state_index = 0, /* C1 */
+	.state_count = 1,
 };
 
-void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev);
+void (*shmobile_cpuidle_setup)(struct cpuidle_driver *drv);
 
 static int shmobile_cpuidle_init(void)
 {
 	struct cpuidle_device *dev = &shmobile_cpuidle_dev;
-	struct cpuidle_state *state;
+	struct cpuidle_driver *drv = &shmobile_cpuidle_driver;
 	int i;
 
-	cpuidle_register_driver(&shmobile_cpuidle_driver);
-
-	for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
-		dev->states[i].name[0] = '\0';
-		dev->states[i].desc[0] = '\0';
-		dev->states[i].enter = shmobile_cpuidle_enter;
-	}
-
-	i = CPUIDLE_DRIVER_STATE_START;
-
-	state = &dev->states[i++];
-	snprintf(state->name, CPUIDLE_NAME_LEN, "C1");
-	strncpy(state->desc, "WFI", CPUIDLE_DESC_LEN);
-	state->exit_latency = 1;
-	state->target_residency = 1 * 2;
-	state->power_usage = 3;
-	state->flags = 0;
-	state->flags |= CPUIDLE_FLAG_TIME_VALID;
-
-	dev->safe_state = state;
-	dev->state_count = i;
+	for (i = 0; i < CPUIDLE_STATE_MAX; i++)
+		drv->states[i].enter = shmobile_cpuidle_enter;
 
 	if (shmobile_cpuidle_setup)
-		shmobile_cpuidle_setup(dev);
+		shmobile_cpuidle_setup(drv);
+
+	cpuidle_register_driver(drv);
 
+	dev->state_count = drv->state_count;
 	cpuidle_register_device(dev);
 
 	return 0;
diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h
index c0cdbf997c91..834bd6cd508f 100644
--- a/arch/arm/mach-shmobile/include/mach/common.h
+++ b/arch/arm/mach-shmobile/include/mach/common.h
@@ -9,9 +9,9 @@ extern int clk_init(void);
 extern void shmobile_handle_irq_intc(struct pt_regs *);
 extern void shmobile_handle_irq_gic(struct pt_regs *);
 extern struct platform_suspend_ops shmobile_suspend_ops;
-struct cpuidle_device;
+struct cpuidle_driver;
 extern void (*shmobile_cpuidle_modes[])(void);
-extern void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev);
+extern void (*shmobile_cpuidle_setup)(struct cpuidle_driver *drv);
 
 extern void sh7367_init_irq(void);
 extern void sh7367_add_early_devices(void);
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index 79612737c5b2..0a5b22942fd3 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -402,22 +402,18 @@ static void sh7372_setup_a3sm(unsigned long msk, unsigned long msk2)
 
 #ifdef CONFIG_CPU_IDLE
 
-static void sh7372_cpuidle_setup(struct cpuidle_device *dev)
+static void sh7372_cpuidle_setup(struct cpuidle_driver *drv)
 {
-	struct cpuidle_state *state;
-	int i = dev->state_count;
+	struct cpuidle_state *state = &drv->states[drv->state_count];
 
-	state = &dev->states[i];
 	snprintf(state->name, CPUIDLE_NAME_LEN, "C2");
 	strncpy(state->desc, "Core Standby Mode", CPUIDLE_DESC_LEN);
 	state->exit_latency = 10;
 	state->target_residency = 20 + 10;
-	state->power_usage = 1; /* perhaps not */
-	state->flags = 0;
-	state->flags |= CPUIDLE_FLAG_TIME_VALID;
-	shmobile_cpuidle_modes[i] = sh7372_enter_core_standby;
+	state->flags = CPUIDLE_FLAG_TIME_VALID;
+	shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_core_standby;
 
-	dev->state_count = i + 1;
+	drv->state_count++;
 }
 
 static void sh7372_cpuidle_init(void)
-- 
GitLab


From c0d18316ae99e1f19738f9cb5e0a2a9dc57dd8cd Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Wed, 9 Nov 2011 10:25:26 +0100
Subject: [PATCH 0397/1594] vmwgfx: Close screen object system

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 03daefa73397..f3ab1fee60e1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1323,7 +1323,10 @@ int vmw_kms_close(struct vmw_private *dev_priv)
 	 * drm_encoder_cleanup which takes the lock we deadlock.
 	 */
 	drm_mode_config_cleanup(dev_priv->dev);
-	vmw_kms_close_legacy_display_system(dev_priv);
+	if (dev_priv->sou_priv)
+		vmw_kms_close_screen_object_display(dev_priv);
+	else
+		vmw_kms_close_legacy_display_system(dev_priv);
 	return 0;
 }
 
-- 
GitLab


From f0c8a6524dca1d37ab7b0247aa7681e490af1ee4 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Wed, 9 Nov 2011 10:25:27 +0100
Subject: [PATCH 0398/1594] vmwgfx: Initialize clip rect loop correctly in
 surface dirty

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index f3ab1fee60e1..40c7e617e28b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -410,8 +410,9 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 	top = clips->y1;
 	bottom = clips->y2;
 
-	clips_ptr = clips;
-	for (i = 1; i < num_clips; i++, clips_ptr += inc) {
+	/* skip the first clip rect */
+	for (i = 1, clips_ptr = clips + inc;
+	     i < num_clips; i++, clips_ptr += inc) {
 		left = min_t(int, left, (int)clips_ptr->x1);
 		right = max_t(int, right, (int)clips_ptr->x2);
 		top = min_t(int, top, (int)clips_ptr->y1);
-- 
GitLab


From baa91d640034dd8d0b58a9088f5fefe5cec3c8c4 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Wed, 9 Nov 2011 10:25:28 +0100
Subject: [PATCH 0399/1594] vmwgfx: Only allow 64x64 cursors

Snooping code expects this to be the case.

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 40c7e617e28b..880e285d7578 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -105,6 +105,10 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 	struct vmw_dma_buffer *dmabuf = NULL;
 	int ret;
 
+	/* A lot of the code assumes this */
+	if (handle && (width != 64 || height != 64))
+		return -EINVAL;
+
 	if (handle) {
 		ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
 						     handle, &surface);
-- 
GitLab


From 471dd2ef3761de01348b19e83128a778df1d45b2 Mon Sep 17 00:00:00 2001
From: Vinson Lee <vlee@vmware.com>
Date: Thu, 10 Nov 2011 11:55:40 -0800
Subject: [PATCH 0400/1594] drm: Ensure string is null terminated.

Fixes Coverity buffer not null terminated defect.

Signed-off-by: Vinson Lee <vlee@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_crtc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 9a2e2a14b3bb..405c63b9d539 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2118,8 +2118,10 @@ struct drm_property *drm_property_create(struct drm_device *dev, int flags,
 	property->num_values = num_values;
 	INIT_LIST_HEAD(&property->enum_blob_list);
 
-	if (name)
+	if (name) {
 		strncpy(property->name, name, DRM_PROP_NAME_LEN);
+		property->name[DRM_PROP_NAME_LEN-1] = '\0';
+	}
 
 	list_add_tail(&property->head, &dev->mode_config.property_list);
 	return property;
-- 
GitLab


From 7a1619b97e978bb9c05fa4bbe64171068bd5bf85 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel.daenzer@amd.com>
Date: Thu, 10 Nov 2011 18:57:26 +0100
Subject: [PATCH 0401/1594] drm/radeon: Make sure CS mutex is held across GPU
 reset.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This was only the case if the GPU reset was triggered from the CS ioctl,
otherwise other processes could happily enter the CS ioctl and wreak havoc
during the GPU reset.

This is a little complicated because the GPU reset can be triggered from the
CS ioctl, in which case we're already holding the mutex, or from other call
paths, in which case we need to lock the mutex. AFAICT the mutex API doesn't
allow recursive locking or finding out the mutex owner, so we need to handle
this with helper functions which allow recursive locking from the same
process.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon.h        | 44 +++++++++++++++++++++++++-
 drivers/gpu/drm/radeon/radeon_cs.c     | 14 ++++----
 drivers/gpu/drm/radeon/radeon_device.c | 16 +++++++---
 3 files changed, 62 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b316b301152f..85ef693850e7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1142,6 +1142,48 @@ struct r600_vram_scratch {
 	u64				gpu_addr;
 };
 
+
+/*
+ * Mutex which allows recursive locking from the same process.
+ */
+struct radeon_mutex {
+	struct mutex		mutex;
+	struct task_struct	*owner;
+	int			level;
+};
+
+static inline void radeon_mutex_init(struct radeon_mutex *mutex)
+{
+	mutex_init(&mutex->mutex);
+	mutex->owner = NULL;
+	mutex->level = 0;
+}
+
+static inline void radeon_mutex_lock(struct radeon_mutex *mutex)
+{
+	if (mutex_trylock(&mutex->mutex)) {
+		/* The mutex was unlocked before, so it's ours now */
+		mutex->owner = current;
+	} else if (mutex->owner != current) {
+		/* Another process locked the mutex, take it */
+		mutex_lock(&mutex->mutex);
+		mutex->owner = current;
+	}
+	/* Otherwise the mutex was already locked by this process */
+
+	mutex->level++;
+}
+
+static inline void radeon_mutex_unlock(struct radeon_mutex *mutex)
+{
+	if (--mutex->level > 0)
+		return;
+
+	mutex->owner = NULL;
+	mutex_unlock(&mutex->mutex);
+}
+
+
 /*
  * Core structure, functions and helpers.
  */
@@ -1197,7 +1239,7 @@ struct radeon_device {
 	struct radeon_gem		gem;
 	struct radeon_pm		pm;
 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
-	struct mutex			cs_mutex;
+	struct radeon_mutex		cs_mutex;
 	struct radeon_wb		wb;
 	struct radeon_dummy_page	dummy_page;
 	bool				gpu_lockup;
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index fae00c0d75aa..ccaa243c1442 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -222,7 +222,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	struct radeon_cs_chunk *ib_chunk;
 	int r;
 
-	mutex_lock(&rdev->cs_mutex);
+	radeon_mutex_lock(&rdev->cs_mutex);
 	/* initialize parser */
 	memset(&parser, 0, sizeof(struct radeon_cs_parser));
 	parser.filp = filp;
@@ -233,14 +233,14 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	if (r) {
 		DRM_ERROR("Failed to initialize parser !\n");
 		radeon_cs_parser_fini(&parser, r);
-		mutex_unlock(&rdev->cs_mutex);
+		radeon_mutex_unlock(&rdev->cs_mutex);
 		return r;
 	}
 	r =  radeon_ib_get(rdev, &parser.ib);
 	if (r) {
 		DRM_ERROR("Failed to get ib !\n");
 		radeon_cs_parser_fini(&parser, r);
-		mutex_unlock(&rdev->cs_mutex);
+		radeon_mutex_unlock(&rdev->cs_mutex);
 		return r;
 	}
 	r = radeon_cs_parser_relocs(&parser);
@@ -248,7 +248,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 		if (r != -ERESTARTSYS)
 			DRM_ERROR("Failed to parse relocation %d!\n", r);
 		radeon_cs_parser_fini(&parser, r);
-		mutex_unlock(&rdev->cs_mutex);
+		radeon_mutex_unlock(&rdev->cs_mutex);
 		return r;
 	}
 	/* Copy the packet into the IB, the parser will read from the
@@ -260,14 +260,14 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	if (r || parser.parser_error) {
 		DRM_ERROR("Invalid command stream !\n");
 		radeon_cs_parser_fini(&parser, r);
-		mutex_unlock(&rdev->cs_mutex);
+		radeon_mutex_unlock(&rdev->cs_mutex);
 		return r;
 	}
 	r = radeon_cs_finish_pages(&parser);
 	if (r) {
 		DRM_ERROR("Invalid command stream !\n");
 		radeon_cs_parser_fini(&parser, r);
-		mutex_unlock(&rdev->cs_mutex);
+		radeon_mutex_unlock(&rdev->cs_mutex);
 		return r;
 	}
 	r = radeon_ib_schedule(rdev, parser.ib);
@@ -275,7 +275,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 		DRM_ERROR("Failed to schedule IB !\n");
 	}
 	radeon_cs_parser_fini(&parser, r);
-	mutex_unlock(&rdev->cs_mutex);
+	radeon_mutex_unlock(&rdev->cs_mutex);
 	return r;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c33bc914d93d..c4d00a171411 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -716,7 +716,7 @@ int radeon_device_init(struct radeon_device *rdev,
 
 	/* mutex initialization are all done here so we
 	 * can recall function without having locking issues */
-	mutex_init(&rdev->cs_mutex);
+	radeon_mutex_init(&rdev->cs_mutex);
 	mutex_init(&rdev->ib_pool.mutex);
 	mutex_init(&rdev->cp.mutex);
 	mutex_init(&rdev->dc_hw_i2c_mutex);
@@ -955,6 +955,9 @@ int radeon_gpu_reset(struct radeon_device *rdev)
 	int r;
 	int resched;
 
+	/* Prevent CS ioctl from interfering */
+	radeon_mutex_lock(&rdev->cs_mutex);
+
 	radeon_save_bios_scratch_regs(rdev);
 	/* block TTM */
 	resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
@@ -967,10 +970,15 @@ int radeon_gpu_reset(struct radeon_device *rdev)
 		radeon_restore_bios_scratch_regs(rdev);
 		drm_helper_resume_force_mode(rdev->ddev);
 		ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
-		return 0;
 	}
-	/* bad news, how to tell it to userspace ? */
-	dev_info(rdev->dev, "GPU reset failed\n");
+
+	radeon_mutex_unlock(&rdev->cs_mutex);
+
+	if (r) {
+		/* bad news, how to tell it to userspace ? */
+		dev_info(rdev->dev, "GPU reset failed\n");
+	}
+
 	return r;
 }
 
-- 
GitLab


From 3b9832f662d195755e7308f92368d44458268457 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 10 Nov 2011 08:59:39 -0500
Subject: [PATCH 0402/1594] drm/radeon/kms: fix use of vram scratch page on
 evergreen/ni

This hunk seems to have gotten lost when I rebased the patch.

Reported-by: Sylvain Bertrand <sylvain.bertrand@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e4c384b9511c..2e30160687c8 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1219,7 +1219,7 @@ void evergreen_mc_program(struct radeon_device *rdev)
 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 			rdev->mc.vram_end >> 12);
 	}
-	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
+	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
 	if (rdev->flags & RADEON_IS_IGP) {
 		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
 		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
-- 
GitLab


From b3e067c0b276197b59046d7095b01b99f98b2821 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Wed, 9 Nov 2011 22:20:35 +0100
Subject: [PATCH 0403/1594] drm: serialize access to list of debugfs files

Nouveau, when configured with debugfs, creates debugfs files for every
channel, so structure holding list of files needs to be protected from
simultaneous changes by multiple threads.

Without this patch it's possible to hit kernel oops in
drm_debugfs_remove_files just by running a couple of xterms with
looped glxinfo.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_debugfs.c       | 12 +++++++++---
 drivers/gpu/drm/i915/i915_debugfs.c |  5 ++++-
 include/drm/drmP.h                  |  4 +++-
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index d067c12ba940..1c7a1c0d3edd 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -118,7 +118,10 @@ int drm_debugfs_create_files(struct drm_info_list *files, int count,
 		tmp->minor = minor;
 		tmp->dent = ent;
 		tmp->info_ent = &files[i];
-		list_add(&(tmp->list), &(minor->debugfs_nodes.list));
+
+		mutex_lock(&minor->debugfs_lock);
+		list_add(&tmp->list, &minor->debugfs_list);
+		mutex_unlock(&minor->debugfs_lock);
 	}
 	return 0;
 
@@ -146,7 +149,8 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
 	char name[64];
 	int ret;
 
-	INIT_LIST_HEAD(&minor->debugfs_nodes.list);
+	INIT_LIST_HEAD(&minor->debugfs_list);
+	mutex_init(&minor->debugfs_lock);
 	sprintf(name, "%d", minor_id);
 	minor->debugfs_root = debugfs_create_dir(name, root);
 	if (!minor->debugfs_root) {
@@ -192,8 +196,9 @@ int drm_debugfs_remove_files(struct drm_info_list *files, int count,
 	struct drm_info_node *tmp;
 	int i;
 
+	mutex_lock(&minor->debugfs_lock);
 	for (i = 0; i < count; i++) {
-		list_for_each_safe(pos, q, &minor->debugfs_nodes.list) {
+		list_for_each_safe(pos, q, &minor->debugfs_list) {
 			tmp = list_entry(pos, struct drm_info_node, list);
 			if (tmp->info_ent == &files[i]) {
 				debugfs_remove(tmp->dent);
@@ -202,6 +207,7 @@ int drm_debugfs_remove_files(struct drm_info_list *files, int count,
 			}
 		}
 	}
+	mutex_unlock(&minor->debugfs_lock);
 	return 0;
 }
 EXPORT_SYMBOL(drm_debugfs_remove_files);
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d14b44e13f51..4f40f1ce1d8e 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1506,7 +1506,10 @@ drm_add_fake_info_node(struct drm_minor *minor,
 	node->minor = minor;
 	node->dent = ent;
 	node->info_ent = (void *) key;
-	list_add(&node->list, &minor->debugfs_nodes.list);
+
+	mutex_lock(&minor->debugfs_lock);
+	list_add(&node->list, &minor->debugfs_list);
+	mutex_unlock(&minor->debugfs_lock);
 
 	return 0;
 }
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index cf399495d38f..1f9e9516e2b7 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -990,7 +990,9 @@ struct drm_minor {
 	struct proc_dir_entry *proc_root;  /**< proc directory entry */
 	struct drm_info_node proc_nodes;
 	struct dentry *debugfs_root;
-	struct drm_info_node debugfs_nodes;
+
+	struct list_head debugfs_list;
+	struct mutex debugfs_lock; /* Protects debugfs_list. */
 
 	struct drm_master *master; /* currently active master for this node */
 	struct list_head master_list;
-- 
GitLab


From 87cb73dafef765c6e20452ebf2581ba113c0360a Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Wed, 9 Nov 2011 01:16:50 +0100
Subject: [PATCH 0404/1594] drm: drop select of SLOW_WORK

slow-work got killed in commit 181a51f6e0. This means that since v2.6.36
there is no Kconfig symbol SLOW_WORK. Apparently selecting that symbol
is a nop. Drop that select.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 785127cb281b..866095c2d645 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -9,7 +9,6 @@ menuconfig DRM
 	depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && MMU
 	select I2C
 	select I2C_ALGOBIT
-	select SLOW_WORK
 	help
 	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
 	  introduced in XFree86 4.0. If you say Y here, you need to select
-- 
GitLab


From 091264f0bc12419560ac64fcef4567809d611658 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 8 Nov 2011 10:09:58 -0500
Subject: [PATCH 0405/1594] drm/radeon/kms: make an aux failure debug only

Can happen when there is no DP panel attached, confusing
users.  Make it debug only.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index a0de48542f71..6fb335a4fdda 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -283,7 +283,7 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
 		}
 	}
 
-	DRM_ERROR("aux i2c too many retries, giving up\n");
+	DRM_DEBUG_KMS("aux i2c too many retries, giving up\n");
 	return -EREMOTEIO;
 }
 
-- 
GitLab


From c5006cfe2f5fc3cc03ebe2342aaca83d051d99e0 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon, 7 Nov 2011 10:39:57 -0800
Subject: [PATCH 0406/1594] drm: try to restore previous CRTC config if mode
 set fails

We restore the CRTC, encoder, and connector configurations, but if the
mode set failed, the attached display may have been turned off, so we
need to try set_config again to restore things to the way they were.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_crtc_helper.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 2957636161e8..3969f7553fe7 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -484,6 +484,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 	struct drm_connector *save_connectors, *connector;
 	int count = 0, ro, fail = 0;
 	struct drm_crtc_helper_funcs *crtc_funcs;
+	struct drm_mode_set save_set;
 	int ret = 0;
 	int i;
 
@@ -556,6 +557,12 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 		save_connectors[count++] = *connector;
 	}
 
+	save_set.crtc = set->crtc;
+	save_set.mode = &set->crtc->mode;
+	save_set.x = set->crtc->x;
+	save_set.y = set->crtc->y;
+	save_set.fb = set->crtc->fb;
+
 	/* We should be able to check here if the fb has the same properties
 	 * and then just flip_or_move it */
 	if (set->crtc->fb != set->fb) {
@@ -721,6 +728,12 @@ fail:
 		*connector = save_connectors[count++];
 	}
 
+	/* Try to restore the config */
+	if (mode_changed &&
+	    !drm_crtc_helper_set_mode(save_set.crtc, save_set.mode, save_set.x,
+				      save_set.y, save_set.fb))
+		DRM_ERROR("failed to restore config after modeset failure\n");
+
 	kfree(save_connectors);
 	kfree(save_encoders);
 	kfree(save_crtcs);
-- 
GitLab


From 398a6d4a02257d6065c2afe1413f5b6ae3a76f09 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Wed, 2 Nov 2011 11:33:16 +0900
Subject: [PATCH 0407/1594] MAINTAINERS: exynos: Add EXYNOS DRM maintainer
 entry

As Exynos DRM is merged at mainline. Also update the maintainer entry.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 MAINTAINERS | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 4808256446f2..c1b1f3e40c38 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2342,6 +2342,13 @@ S:	Supported
 F:	drivers/gpu/drm/i915
 F:	include/drm/i915*
 
+DRM DRIVERS FOR EXYNOS
+M:	Inki Dae <inki.dae@samsung.com>
+L:	dri-devel@lists.freedesktop.org
+S:	Supported
+F:	drivers/gpu/drm/exynos
+F:	include/drm/exynos*
+
 DSCC4 DRIVER
 M:	Francois Romieu <romieu@fr.zoreil.com>
 L:	netdev@vger.kernel.org
-- 
GitLab


From 8f4ff2b06afcd6f151868474a432c603057eaf56 Mon Sep 17 00:00:00 2001
From: Ilija Hadzic <ihadzic@research.bell-labs.com>
Date: Mon, 31 Oct 2011 17:46:18 -0400
Subject: [PATCH 0408/1594] drm: do not sleep on vblank while holding a mutex

drm_wait_vblank must be DRM_UNLOCKED because otherwise it
will grab the drm_global_mutex and then go to sleep until the vblank
event it is waiting for. That can wreck havoc in the windowing system
because if one process issues this ioctl, it will block all other
processes for the duration of all vblanks between the current and the
one it is waiting for. In some cases it can block the entire windowing
system.

v2: incorporate comments received from Daniel Vetter and
    Michel Daenzer.

v3/v4: after a lengty discussion with Daniel Vetter, it was concluded
       that the only thing not yet protected with locks and atomic
       ops is the write to dev->last_vblank_wait. It's only used in a
       debug file in proc, and the current code already employs no
       correct locking: the proc file only takes dev->struct_mutex,
       whereas drm_wait_vblank implicitly took the drm_global_mutex.
       Given all this, it's not worth bothering to try to fix
       the locks at this time.

Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index fc81af9dbf42..40c187c60f44 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -125,7 +125,7 @@ static struct drm_ioctl_desc drm_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 
-	DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, 0),
+	DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, DRM_UNLOCKED),
 
 	DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0),
 
-- 
GitLab


From bfba16582600ab2c75dc39250a2b8f3b2a42da11 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sat, 29 Oct 2011 10:21:28 +0300
Subject: [PATCH 0409/1594] drm/radeon/benchmark: signedness bug in
 radeon_benchmark_move()

radeon_benchmark_do_move() returns an int so "time" should be int
too.  Making it unsigned breaks the error handling.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_benchmark.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c b/drivers/gpu/drm/radeon/radeon_benchmark.c
index 5cafc90de7f8..17e1a9b2d8fb 100644
--- a/drivers/gpu/drm/radeon/radeon_benchmark.c
+++ b/drivers/gpu/drm/radeon/radeon_benchmark.c
@@ -98,7 +98,7 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
 	struct radeon_bo *sobj = NULL;
 	uint64_t saddr, daddr;
 	int r, n;
-	unsigned int time;
+	int time;
 
 	n = RADEON_BENCHMARK_ITERATIONS;
 	r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, &sobj);
-- 
GitLab


From a6778e9e7fb57603f15344ceb30098a3f6b7caf4 Mon Sep 17 00:00:00 2001
From: Ilija Hadzic <ihadzic@research.bell-labs.com>
Date: Mon, 31 Oct 2011 13:11:57 -0400
Subject: [PATCH 0410/1594] drm: add some comments to drm_wait_vblank and
 drm_queue_vblank_event

during the review of the fix for locks problems in drm_wait_vblank,
a couple of false concerns were raised about how the drm_vblank_get
and drm_vblank_put are used in this function; it turned out that the
code is correct and that it cannot be simplified

add a few comments to explain non-obvious flows in the code,
to prevent "false alarms" in the future

v2: incorporate comments received from Daniel Vetter

Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_irq.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index cb3794a00f98..aa3ac0125d90 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -1125,6 +1125,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe,
 		trace_drm_vblank_event_delivered(current->pid, pipe,
 						 vblwait->request.sequence);
 	} else {
+		/* drm_handle_vblank_events will call drm_vblank_put */
 		list_add_tail(&e->base.link, &dev->vblank_event_list);
 		vblwait->reply.sequence = vblwait->request.sequence;
 	}
@@ -1205,8 +1206,12 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
 		goto done;
 	}
 
-	if (flags & _DRM_VBLANK_EVENT)
+	if (flags & _DRM_VBLANK_EVENT) {
+		/* must hold on to the vblank ref until the event fires
+		 * drm_vblank_put will be called asynchronously
+		 */
 		return drm_queue_vblank_event(dev, crtc, vblwait, file_priv);
+	}
 
 	if ((flags & _DRM_VBLANK_NEXTONMISS) &&
 	    (seq - vblwait->request.sequence) <= (1<<23)) {
-- 
GitLab


From 44a1dabf4cfb787459bfbff305a2a1cda628766d Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xenotime.net>
Date: Mon, 31 Oct 2011 12:51:30 -0700
Subject: [PATCH 0411/1594] drm: fix kconfig unmet dependency warning

Fix kconfig unmet dependency warning.  BACKLIGHT_CLASS_DEVICE depends on
BACKLIGHT_LCD_SUPPORT, so select the latter along with the former.

warning: (DRM_RADEON_KMS && DRM_I915 && STUB_POULSBO && FB_BACKLIGHT && PANEL_SHARP_LS037V7DW01 && PANEL_ACX565AKM && USB_APPLEDISPLAY && FB_OLPC_DCON && ASUS_LAPTOP && SONY_LAPTOP && THINKPAD_ACPI && EEEPC_LAPTOP && ACPI_ASUS && ACPI_CMPC && SAMSUNG_Q10) selects BACKLIGHT_CLASS_DEVICE which has unmet direct dependencies (HAS_IOMEM && BACKLIGHT_LCD_SUPPORT)

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 866095c2d645..1368826ef284 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -95,6 +95,7 @@ config DRM_I915
 	select FB_CFB_IMAGEBLIT
 	# i915 depends on ACPI_VIDEO when ACPI is enabled
 	# but for select to work, need to select ACPI_VIDEO's dependencies, ick
+	select BACKLIGHT_LCD_SUPPORT if ACPI
 	select BACKLIGHT_CLASS_DEVICE if ACPI
 	select VIDEO_OUTPUT_CONTROL if ACPI
 	select INPUT if ACPI
-- 
GitLab


From 6c3d904b48e44bd9c3121c24efb87c9d39d7736c Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Fri, 4 Nov 2011 21:09:50 +0900
Subject: [PATCH 0412/1594] drm/exynos: added padding to be 64-bit align.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 include/drm/exynos_drm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/drm/exynos_drm.h b/include/drm/exynos_drm.h
index 874c4d271328..1d161cb3aca5 100644
--- a/include/drm/exynos_drm.h
+++ b/include/drm/exynos_drm.h
@@ -36,11 +36,13 @@
  *	- this size value would be page-aligned internally.
  * @flags: user request for setting memory type or cache attributes.
  * @handle: returned handle for the object.
+ * @pad: just padding to be 64-bit aligned.
  */
 struct drm_exynos_gem_create {
 	unsigned int size;
 	unsigned int flags;
 	unsigned int handle;
+	unsigned int pad;
 };
 
 /**
-- 
GitLab


From 7a401a972df8e184b3d1a3fc958c0a4ddee8d312 Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin.vincent@stericsson.com>
Date: Fri, 11 Nov 2011 13:29:04 +0100
Subject: [PATCH 0413/1594] backing-dev: ensure wakeup_timer is deleted

bdi_prune_sb() in bdi_unregister() attempts to removes the bdi links
from all super_blocks and then del_timer_sync() the writeback timer.

However, this can race with __mark_inode_dirty(), leading to
bdi_wakeup_thread_delayed() rearming the writeback timer on the bdi
we're unregistering, after we've called del_timer_sync().

This can end up with the bdi being freed with an active timer inside it,
as in the case of the following dump after the removal of an SD card.

Fix this by redoing the del_timer_sync() in bdi_destory().

 ------------[ cut here ]------------
 WARNING: at /home/rabin/kernel/arm/lib/debugobjects.c:262 debug_print_object+0x9c/0xc8()
 ODEBUG: free active (active state 0) object type: timer_list hint: wakeup_timer_fn+0x0/0x180
 Modules linked in:
 Backtrace:
 [<c00109dc>] (dump_backtrace+0x0/0x110) from [<c0236e4c>] (dump_stack+0x18/0x1c)
  r6:c02bc638 r5:00000106 r4:c79f5d18 r3:00000000
 [<c0236e34>] (dump_stack+0x0/0x1c) from [<c0025e6c>] (warn_slowpath_common+0x54/0x6c)
 [<c0025e18>] (warn_slowpath_common+0x0/0x6c) from [<c0025f28>] (warn_slowpath_fmt+0x38/0x40)
  r8:20000013 r7:c780c6f0 r6:c031613c r5:c780c6f0 r4:c02b1b29
 r3:00000009
 [<c0025ef0>] (warn_slowpath_fmt+0x0/0x40) from [<c015eb4c>] (debug_print_object+0x9c/0xc8)
  r3:c02b1b29 r2:c02bc662
 [<c015eab0>] (debug_print_object+0x0/0xc8) from [<c015f574>] (debug_check_no_obj_freed+0xac/0x1dc)
  r6:c7964000 r5:00000001 r4:c7964000
 [<c015f4c8>] (debug_check_no_obj_freed+0x0/0x1dc) from [<c00a9e38>] (kmem_cache_free+0x88/0x1f8)
 [<c00a9db0>] (kmem_cache_free+0x0/0x1f8) from [<c014286c>] (blk_release_queue+0x70/0x78)
 [<c01427fc>] (blk_release_queue+0x0/0x78) from [<c015290c>] (kobject_release+0x70/0x84)
  r5:c79641f0 r4:c796420c
 [<c015289c>] (kobject_release+0x0/0x84) from [<c0153ce4>] (kref_put+0x68/0x80)
  r7:00000083 r6:c74083d0 r5:c015289c r4:c796420c
 [<c0153c7c>] (kref_put+0x0/0x80) from [<c01527d0>] (kobject_put+0x48/0x5c)
  r5:c79643b4 r4:c79641f0
 [<c0152788>] (kobject_put+0x0/0x5c) from [<c013ddd8>] (blk_cleanup_queue+0x68/0x74)
  r4:c7964000
 [<c013dd70>] (blk_cleanup_queue+0x0/0x74) from [<c01a6370>] (mmc_blk_put+0x78/0xe8)
  r5:00000000 r4:c794c400
 [<c01a62f8>] (mmc_blk_put+0x0/0xe8) from [<c01a64b4>] (mmc_blk_release+0x24/0x38)
  r5:c794c400 r4:c0322824
 [<c01a6490>] (mmc_blk_release+0x0/0x38) from [<c00de11c>] (__blkdev_put+0xe8/0x170)
  r5:c78d5e00 r4:c74083c0
 [<c00de034>] (__blkdev_put+0x0/0x170) from [<c00de2c0>] (blkdev_put+0x11c/0x12c)
  r8:c79f5f70 r7:00000001 r6:c74083d0 r5:00000083 r4:c74083c0
 r3:00000000
 [<c00de1a4>] (blkdev_put+0x0/0x12c) from [<c00b0724>] (kill_block_super+0x60/0x6c)
  r7:c7942300 r6:c79f4000 r5:00000083 r4:c74083c0
 [<c00b06c4>] (kill_block_super+0x0/0x6c) from [<c00b0a94>] (deactivate_locked_super+0x44/0x70)
  r6:c79f4000 r5:c031af64 r4:c794dc00 r3:c00b06c4
 [<c00b0a50>] (deactivate_locked_super+0x0/0x70) from [<c00b1358>] (deactivate_super+0x6c/0x70)
  r5:c794dc00 r4:c794dc00
 [<c00b12ec>] (deactivate_super+0x0/0x70) from [<c00c88b0>] (mntput_no_expire+0x188/0x194)
  r5:c794dc00 r4:c7942300
 [<c00c8728>] (mntput_no_expire+0x0/0x194) from [<c00c95e0>] (sys_umount+0x2e4/0x310)
  r6:c7942300 r5:00000000 r4:00000000 r3:00000000
 [<c00c92fc>] (sys_umount+0x0/0x310) from [<c000d940>] (ret_fast_syscall+0x0/0x30)
 ---[ end trace e5c83c92ada51c76 ]---

Cc: stable@kernel.org
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 mm/backing-dev.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index a0860640378d..71034f41a2ba 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -724,6 +724,14 @@ void bdi_destroy(struct backing_dev_info *bdi)
 
 	bdi_unregister(bdi);
 
+	/*
+	 * If bdi_unregister() had already been called earlier, the
+	 * wakeup_timer could still be armed because bdi_prune_sb()
+	 * can race with the bdi_wakeup_thread_delayed() calls from
+	 * __mark_inode_dirty().
+	 */
+	del_timer_sync(&bdi->wb.wakeup_timer);
+
 	for (i = 0; i < NR_BDI_STAT_ITEMS; i++)
 		percpu_counter_destroy(&bdi->bdi_stat[i]);
 
-- 
GitLab


From 69f4cb526bd02ae5af35846f9a710c099eec3347 Mon Sep 17 00:00:00 2001
From: Arne Jansen <sensille@gmx.net>
Date: Fri, 11 Nov 2011 08:17:10 -0500
Subject: [PATCH 0414/1594] Btrfs: handle bio_add_page failure gracefully in
 scrub

Currently scrub fails with ENOMEM when bio_add_page fails. Unfortunately
dm based targets accept only one page per bio, thus making scrub always
fails. This patch just submits the current bio when an error is encountered
and starts a new one.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/scrub.c | 64 ++++++++++++++++++++++--------------------------
 1 file changed, 29 insertions(+), 35 deletions(-)

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index ed11d3866afd..f4190f22edfb 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -944,50 +944,18 @@ static int scrub_checksum_super(struct scrub_bio *sbio, void *buffer)
 static int scrub_submit(struct scrub_dev *sdev)
 {
 	struct scrub_bio *sbio;
-	struct bio *bio;
-	int i;
 
 	if (sdev->curr == -1)
 		return 0;
 
 	sbio = sdev->bios[sdev->curr];
-
-	bio = bio_alloc(GFP_NOFS, sbio->count);
-	if (!bio)
-		goto nomem;
-
-	bio->bi_private = sbio;
-	bio->bi_end_io = scrub_bio_end_io;
-	bio->bi_bdev = sdev->dev->bdev;
-	bio->bi_sector = sbio->physical >> 9;
-
-	for (i = 0; i < sbio->count; ++i) {
-		struct page *page;
-		int ret;
-
-		page = alloc_page(GFP_NOFS);
-		if (!page)
-			goto nomem;
-
-		ret = bio_add_page(bio, page, PAGE_SIZE, 0);
-		if (!ret) {
-			__free_page(page);
-			goto nomem;
-		}
-	}
-
 	sbio->err = 0;
 	sdev->curr = -1;
 	atomic_inc(&sdev->in_flight);
 
-	submit_bio(READ, bio);
+	submit_bio(READ, sbio->bio);
 
 	return 0;
-
-nomem:
-	scrub_free_bio(bio);
-
-	return -ENOMEM;
 }
 
 static int scrub_page(struct scrub_dev *sdev, u64 logical, u64 len,
@@ -995,6 +963,8 @@ static int scrub_page(struct scrub_dev *sdev, u64 logical, u64 len,
 		      u8 *csum, int force)
 {
 	struct scrub_bio *sbio;
+	struct page *page;
+	int ret;
 
 again:
 	/*
@@ -1015,12 +985,22 @@ again:
 	}
 	sbio = sdev->bios[sdev->curr];
 	if (sbio->count == 0) {
+		struct bio *bio;
+
 		sbio->physical = physical;
 		sbio->logical = logical;
+		bio = bio_alloc(GFP_NOFS, SCRUB_PAGES_PER_BIO);
+		if (!bio)
+			return -ENOMEM;
+
+		bio->bi_private = sbio;
+		bio->bi_end_io = scrub_bio_end_io;
+		bio->bi_bdev = sdev->dev->bdev;
+		bio->bi_sector = sbio->physical >> 9;
+		sbio->err = 0;
+		sbio->bio = bio;
 	} else if (sbio->physical + sbio->count * PAGE_SIZE != physical ||
 		   sbio->logical + sbio->count * PAGE_SIZE != logical) {
-		int ret;
-
 		ret = scrub_submit(sdev);
 		if (ret)
 			return ret;
@@ -1030,6 +1010,20 @@ again:
 	sbio->spag[sbio->count].generation = gen;
 	sbio->spag[sbio->count].have_csum = 0;
 	sbio->spag[sbio->count].mirror_num = mirror_num;
+
+	page = alloc_page(GFP_NOFS);
+	if (!page)
+		return -ENOMEM;
+
+	ret = bio_add_page(sbio->bio, page, PAGE_SIZE, 0);
+	if (!ret) {
+		__free_page(page);
+		ret = scrub_submit(sdev);
+		if (ret)
+			return ret;
+		goto again;
+	}
+
 	if (csum) {
 		sbio->spag[sbio->count].have_csum = 1;
 		memcpy(sbio->spag[sbio->count].csum, csum, sdev->csum_size);
-- 
GitLab


From 10b391b946c459a39b631aaf81880f94dcfbff46 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 4 Nov 2011 10:09:40 -0400
Subject: [PATCH 0415/1594] drm/radeon/kms: remove extraneous calls to
 radeon_pm_compute_clocks()

It's already called via the DPMS functions.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c      | 6 ------
 drivers/gpu/drm/radeon/radeon_legacy_crtc.c | 6 ------
 2 files changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 87921c88a95c..87631fede1f8 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1522,12 +1522,6 @@ static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
 				     struct drm_display_mode *mode,
 				     struct drm_display_mode *adjusted_mode)
 {
-	struct drm_device *dev = crtc->dev;
-	struct radeon_device *rdev = dev->dev_private;
-
-	/* adjust pm to upcoming mode change */
-	radeon_pm_compute_clocks(rdev);
-
 	if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
 		return false;
 	return true;
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 41a5d48e657b..daadf2111040 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -991,12 +991,6 @@ static bool radeon_crtc_mode_fixup(struct drm_crtc *crtc,
 				   struct drm_display_mode *mode,
 				   struct drm_display_mode *adjusted_mode)
 {
-	struct drm_device *dev = crtc->dev;
-	struct radeon_device *rdev = dev->dev_private;
-
-	/* adjust pm to upcoming mode change */
-	radeon_pm_compute_clocks(rdev);
-
 	if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
 		return false;
 	return true;
-- 
GitLab


From a4c9e2eed17457b30e17235158657801ec686a14 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 4 Nov 2011 10:09:41 -0400
Subject: [PATCH 0416/1594] drm/radeon/kms/pm: add a proper pm profile init
 function for fusion

The new power tables need to be handled differently when setting
up the profiles.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c   | 51 ++++++++++++++++++++++++
 drivers/gpu/drm/radeon/r600.c        | 58 ++++++++++------------------
 drivers/gpu/drm/radeon/radeon.h      |  3 ++
 drivers/gpu/drm/radeon/radeon_asic.c |  2 +-
 drivers/gpu/drm/radeon/radeon_asic.h |  1 +
 drivers/gpu/drm/radeon/radeon_pm.c   | 18 +++++++++
 6 files changed, 94 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 2e30160687c8..1d603a3335db 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -157,6 +157,57 @@ int sumo_get_temp(struct radeon_device *rdev)
 	return actual_temp * 1000;
 }
 
+void sumo_pm_init_profile(struct radeon_device *rdev)
+{
+	int idx;
+
+	/* default */
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
+
+	/* low,mid sh/mh */
+	if (rdev->flags & RADEON_IS_MOBILITY)
+		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+	else
+		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
+
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
+
+	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
+
+	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
+
+	/* high sh/mh */
+	idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
+		rdev->pm.power_state[idx].num_clock_modes - 1;
+
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
+	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
+		rdev->pm.power_state[idx].num_clock_modes - 1;
+}
+
 void evergreen_pm_misc(struct radeon_device *rdev)
 {
 	int req_ps_idx = rdev->pm.requested_power_state_index;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 19afc43ad173..dc162dd970da 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -288,24 +288,6 @@ void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 		  pcie_lanes);
 }
 
-static int r600_pm_get_type_index(struct radeon_device *rdev,
-				  enum radeon_pm_state_type ps_type,
-				  int instance)
-{
-	int i;
-	int found_instance = -1;
-
-	for (i = 0; i < rdev->pm.num_power_states; i++) {
-		if (rdev->pm.power_state[i].type == ps_type) {
-			found_instance++;
-			if (found_instance == instance)
-				return i;
-		}
-	}
-	/* return default if no match */
-	return rdev->pm.default_power_state_index;
-}
-
 void rs780_pm_init_profile(struct radeon_device *rdev)
 {
 	if (rdev->pm.num_power_states == 2) {
@@ -504,79 +486,79 @@ void r600_pm_init_profile(struct radeon_device *rdev)
 			/* low sh */
 			if (rdev->flags & RADEON_IS_MOBILITY) {
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 			} else {
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 			}
 			/* mid sh */
 			if (rdev->flags & RADEON_IS_MOBILITY) {
 				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 			} else {
 				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 			}
 			/* high sh */
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
-				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+				radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
-				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+				radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 			/* low mh */
 			if (rdev->flags & RADEON_IS_MOBILITY) {
 				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 			} else {
 				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 			}
 			/* mid mh */
 			if (rdev->flags & RADEON_IS_MOBILITY) {
 				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 			} else {
 				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
-					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 			}
 			/* high mh */
 			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
-				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+				radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
-				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+				radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 		}
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 85ef693850e7..41f7cd26515b 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -855,6 +855,9 @@ struct radeon_pm {
 	struct device	        *int_hwmon_dev;
 };
 
+int radeon_pm_get_type_index(struct radeon_device *rdev,
+			     enum radeon_pm_state_type ps_type,
+			     int instance);
 
 /*
  * Benchmarking
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index e2944566ffea..a2e1eae114ef 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -834,7 +834,7 @@ static struct radeon_asic sumo_asic = {
 	.pm_misc = &evergreen_pm_misc,
 	.pm_prepare = &evergreen_pm_prepare,
 	.pm_finish = &evergreen_pm_finish,
-	.pm_init_profile = &rs780_pm_init_profile,
+	.pm_init_profile = &sumo_pm_init_profile,
 	.pm_get_dynpm_state = &r600_pm_get_dynpm_state,
 	.pre_page_flip = &evergreen_pre_page_flip,
 	.page_flip = &evergreen_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 85f14f0337e4..59914842a729 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -413,6 +413,7 @@ extern int evergreen_cs_parse(struct radeon_cs_parser *p);
 extern void evergreen_pm_misc(struct radeon_device *rdev);
 extern void evergreen_pm_prepare(struct radeon_device *rdev);
 extern void evergreen_pm_finish(struct radeon_device *rdev);
+extern void sumo_pm_init_profile(struct radeon_device *rdev);
 extern void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc);
 extern u32 evergreen_page_flip(struct radeon_device *rdev, int crtc, u64 crtc_base);
 extern void evergreen_post_page_flip(struct radeon_device *rdev, int crtc);
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 6fabe89fa6a1..78a665bd9519 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -53,6 +53,24 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev);
 
 #define ACPI_AC_CLASS           "ac_adapter"
 
+int radeon_pm_get_type_index(struct radeon_device *rdev,
+			     enum radeon_pm_state_type ps_type,
+			     int instance)
+{
+	int i;
+	int found_instance = -1;
+
+	for (i = 0; i < rdev->pm.num_power_states; i++) {
+		if (rdev->pm.power_state[i].type == ps_type) {
+			found_instance++;
+			if (found_instance == instance)
+				return i;
+		}
+	}
+	/* return default if no match */
+	return rdev->pm.default_power_state_index;
+}
+
 #ifdef CONFIG_ACPI
 static int radeon_acpi_event(struct notifier_block *nb,
 			     unsigned long val,
-- 
GitLab


From bbe26ffe9ffd231de7cf88c4361f1939858e8594 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 4 Nov 2011 10:09:42 -0400
Subject: [PATCH 0417/1594] drm/radeon/kms: optimize r600_pm_profile_init

Avoid a lot of extra loops through the pm state array.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/r600.c | 100 +++++++++++-----------------------
 1 file changed, 32 insertions(+), 68 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index dc162dd970da..9cdda0b3b081 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -403,6 +403,8 @@ void rs780_pm_init_profile(struct radeon_device *rdev)
 
 void r600_pm_init_profile(struct radeon_device *rdev)
 {
+	int idx;
+
 	if (rdev->family == CHIP_R600) {
 		/* XXX */
 		/* default */
@@ -484,81 +486,43 @@ void r600_pm_init_profile(struct radeon_device *rdev)
 			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 			/* low sh */
-			if (rdev->flags & RADEON_IS_MOBILITY) {
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
-			} else {
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
-			}
+			if (rdev->flags & RADEON_IS_MOBILITY)
+				idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
+			else
+				idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 			/* mid sh */
-			if (rdev->flags & RADEON_IS_MOBILITY) {
-				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
-				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
-				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
-			} else {
-				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
-			}
+			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 			/* high sh */
-			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
-				radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
-			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
-				radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+			idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 			/* low mh */
-			if (rdev->flags & RADEON_IS_MOBILITY) {
-				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
-				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
-				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
-			} else {
-				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
-			}
+			if (rdev->flags & RADEON_IS_MOBILITY)
+				idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
+			else
+				idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 			/* mid mh */
-			if (rdev->flags & RADEON_IS_MOBILITY) {
-				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
-				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
-				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
-			} else {
-				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
-					radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
-				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
-			}
+			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
+			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 			/* high mh */
-			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
-				radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
-			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
-				radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+			idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
+			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
 			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 		}
-- 
GitLab


From 8f3f1c9a22a6420e28c2d3eff59b832893bc8efc Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 4 Nov 2011 10:09:43 -0400
Subject: [PATCH 0418/1594] drm/radeon/kms/pm: switch to dynamically allocating
 clock mode array

On newer chips the number of clock modes per power state varies.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon.h          |   3 +-
 drivers/gpu/drm/radeon/radeon_atombios.c | 118 ++++++++++++++++-------
 2 files changed, 82 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 41f7cd26515b..fc5a1d642cb5 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -784,8 +784,7 @@ struct radeon_pm_clock_info {
 
 struct radeon_power_state {
 	enum radeon_pm_state_type type;
-	/* XXX: use a define for num clock modes */
-	struct radeon_pm_clock_info clock_info[8];
+	struct radeon_pm_clock_info *clock_info;
 	/* number of valid clock modes in this power state */
 	int num_clock_modes;
 	struct radeon_pm_clock_info *default_clock_mode;
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 08d0b94332e6..d2d179267af3 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1999,6 +1999,10 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
 		switch (frev) {
 		case 1:
+			rdev->pm.power_state[state_index].clock_info =
+				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+			if (!rdev->pm.power_state[state_index].clock_info)
+				return state_index;
 			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
@@ -2035,6 +2039,10 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
 			state_index++;
 			break;
 		case 2:
+			rdev->pm.power_state[state_index].clock_info =
+				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+			if (!rdev->pm.power_state[state_index].clock_info)
+				return state_index;
 			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
@@ -2072,6 +2080,10 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
 			state_index++;
 			break;
 		case 3:
+			rdev->pm.power_state[state_index].clock_info =
+				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+			if (!rdev->pm.power_state[state_index].clock_info)
+				return state_index;
 			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
@@ -2257,7 +2269,7 @@ static void radeon_atombios_parse_pplib_non_clock_info(struct radeon_device *rde
 		rdev->pm.default_power_state_index = state_index;
 		rdev->pm.power_state[state_index].default_clock_mode =
 			&rdev->pm.power_state[state_index].clock_info[mode_index - 1];
-		if (ASIC_IS_DCE5(rdev)) {
+		if (ASIC_IS_DCE5(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
 			/* NI chips post without MC ucode, so default clocks are strobe mode only */
 			rdev->pm.default_sclk = rdev->pm.power_state[state_index].clock_info[0].sclk;
 			rdev->pm.default_mclk = rdev->pm.power_state[state_index].clock_info[0].mclk;
@@ -2377,17 +2389,31 @@ static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev)
 			 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
 			 (power_state->v1.ucNonClockStateIndex *
 			  power_info->pplib.ucNonClockSize));
-		for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
-			clock_info = (union pplib_clock_info *)
-				(mode_info->atom_context->bios + data_offset +
-				 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
-				 (power_state->v1.ucClockStateIndices[j] *
-				  power_info->pplib.ucClockInfoSize));
-			valid = radeon_atombios_parse_pplib_clock_info(rdev,
-								       state_index, mode_index,
-								       clock_info);
-			if (valid)
-				mode_index++;
+		rdev->pm.power_state[i].clock_info = kzalloc(sizeof(struct radeon_pm_clock_info) *
+							     ((power_info->pplib.ucStateEntrySize - 1) ?
+							      (power_info->pplib.ucStateEntrySize - 1) : 1),
+							     GFP_KERNEL);
+		if (!rdev->pm.power_state[i].clock_info)
+			return state_index;
+		if (power_info->pplib.ucStateEntrySize - 1) {
+			for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
+				clock_info = (union pplib_clock_info *)
+					(mode_info->atom_context->bios + data_offset +
+					 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
+					 (power_state->v1.ucClockStateIndices[j] *
+					  power_info->pplib.ucClockInfoSize));
+				valid = radeon_atombios_parse_pplib_clock_info(rdev,
+									       state_index, mode_index,
+									       clock_info);
+				if (valid)
+					mode_index++;
+			}
+		} else {
+			rdev->pm.power_state[state_index].clock_info[0].mclk =
+				rdev->clock.default_mclk;
+			rdev->pm.power_state[state_index].clock_info[0].sclk =
+				rdev->clock.default_sclk;
+			mode_index++;
 		}
 		rdev->pm.power_state[state_index].num_clock_modes = mode_index;
 		if (mode_index) {
@@ -2456,18 +2482,32 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
 		non_clock_array_index = i; /* power_state->v2.nonClockInfoIndex */
 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
-		for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
-			clock_array_index = power_state->v2.clockInfoIndex[j];
-			/* XXX this might be an inagua bug... */
-			if (clock_array_index >= clock_info_array->ucNumEntries)
-				continue;
-			clock_info = (union pplib_clock_info *)
-				&clock_info_array->clockInfo[clock_array_index];
-			valid = radeon_atombios_parse_pplib_clock_info(rdev,
-								       state_index, mode_index,
-								       clock_info);
-			if (valid)
-				mode_index++;
+		rdev->pm.power_state[i].clock_info = kzalloc(sizeof(struct radeon_pm_clock_info) *
+							     (power_state->v2.ucNumDPMLevels ?
+							      power_state->v2.ucNumDPMLevels : 1),
+							     GFP_KERNEL);
+		if (!rdev->pm.power_state[i].clock_info)
+			return state_index;
+		if (power_state->v2.ucNumDPMLevels) {
+			for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
+				clock_array_index = power_state->v2.clockInfoIndex[j];
+				/* XXX this might be an inagua bug... */
+				if (clock_array_index >= clock_info_array->ucNumEntries)
+					continue;
+				clock_info = (union pplib_clock_info *)
+					&clock_info_array->clockInfo[clock_array_index];
+				valid = radeon_atombios_parse_pplib_clock_info(rdev,
+									       state_index, mode_index,
+									       clock_info);
+				if (valid)
+					mode_index++;
+			}
+		} else {
+			rdev->pm.power_state[state_index].clock_info[0].mclk =
+				rdev->clock.default_mclk;
+			rdev->pm.power_state[state_index].clock_info[0].sclk =
+				rdev->clock.default_sclk;
+			mode_index++;
 		}
 		rdev->pm.power_state[state_index].num_clock_modes = mode_index;
 		if (mode_index) {
@@ -2524,19 +2564,23 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 	} else {
 		rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL);
 		if (rdev->pm.power_state) {
-			/* add the default mode */
-			rdev->pm.power_state[state_index].type =
-				POWER_STATE_TYPE_DEFAULT;
-			rdev->pm.power_state[state_index].num_clock_modes = 1;
-			rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
-			rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
-			rdev->pm.power_state[state_index].default_clock_mode =
-				&rdev->pm.power_state[state_index].clock_info[0];
-			rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
-			rdev->pm.power_state[state_index].pcie_lanes = 16;
-			rdev->pm.default_power_state_index = state_index;
-			rdev->pm.power_state[state_index].flags = 0;
-			state_index++;
+			rdev->pm.power_state[0].clock_info =
+				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+			if (rdev->pm.power_state[0].clock_info) {
+				/* add the default mode */
+				rdev->pm.power_state[state_index].type =
+					POWER_STATE_TYPE_DEFAULT;
+				rdev->pm.power_state[state_index].num_clock_modes = 1;
+				rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
+				rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
+				rdev->pm.power_state[state_index].default_clock_mode =
+					&rdev->pm.power_state[state_index].clock_info[0];
+				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+				rdev->pm.power_state[state_index].pcie_lanes = 16;
+				rdev->pm.default_power_state_index = state_index;
+				rdev->pm.power_state[state_index].flags = 0;
+				state_index++;
+			}
 		}
 	}
 
-- 
GitLab


From cf16123c9c8e346ed1dd171295a678d77648d7f8 Mon Sep 17 00:00:00 2001
From: Vasily Averin <vvs@parallels.com>
Date: Fri, 11 Nov 2011 13:42:16 +0400
Subject: [PATCH 0419/1594] [SCSI] aacraid: controller hangs if kernel uses
 non-default ASPM policy

Aacraid controller can hang on some nodes if kernel uses non-default
(powersave) ASPM policy.  Controller hangs shortly after successful load and
hardware detection. Scsi error handler detects this hang and tries to restart
hardware but it does not help.

Initially it was noticed on RHEL6-based openVZ kernel after backporting
aacraid driver from mainline (RHEL6 kernel with original driver works well)
http://bugzilla.openvz.org/show_bug.cgi?id=2043

This issue happens because default ASPM policy was changed in Red Hat
kernels. Therefore guys from Red Hat have noticed this problem long time ago:
on Fedora 12
 https://bugzilla.redhat.com/show_bug.cgi?id=540478
on Fedora 14
 https://bugzilla.redhat.com/show_bug.cgi?id=679385

In RHEL6 kernel this issue was fixed, ASPM was disabled in aacraid driver. In
kernel changelog I've found that seems it was done by Matthew Garrett: -
[scsi] aacraid: Disable ASPM by default (Matthew Garrett) [599735]

However seems this patch was not submitted to mainline. I've reproduced this
issue on vanilla 3.1.0 kernel booted with "pcie_aspm.policy=powersave" option,
So I believe it makes sense to do it now.

Signed-off-by:	Vasily Averin <vvs@sw.ru>
[mjg: Checking the Windows drivers indicates that they disable ASPM under all
circumstances, so:]
Acked-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Achim Leubner <Achim_Leubner@pmc-sierra.com>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/aacraid/linit.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 4aa76d6f11df..705e13e470af 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -38,6 +38,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
@@ -1109,6 +1110,9 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
 		unique_id++;
 	}
 
+	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+			       PCIE_LINK_STATE_CLKPM);
+
 	error = pci_enable_device(pdev);
 	if (error)
 		goto out;
-- 
GitLab


From 6a53fc531dcf4719e80d0152ca044e35b0f92591 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Thu, 25 Aug 2011 08:52:36 -0300
Subject: [PATCH 0420/1594] ARM: imx: Remove unused chip revision strings

Since commit (167a19d2: ARM: imx: Introduce generic function for displaying silicon revision)
we no longer need the chip revision strings, so remove them.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/plat-mxc/include/mach/mxc.h | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 00a78193c681..a4d36d601d55 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -50,20 +50,6 @@
 #define IMX_CHIP_REVISION_3_3		0x33
 #define IMX_CHIP_REVISION_UNKNOWN	0xff
 
-#define IMX_CHIP_REVISION_1_0_STRING		"1.0"
-#define IMX_CHIP_REVISION_1_1_STRING		"1.1"
-#define IMX_CHIP_REVISION_1_2_STRING		"1.2"
-#define IMX_CHIP_REVISION_1_3_STRING		"1.3"
-#define IMX_CHIP_REVISION_2_0_STRING		"2.0"
-#define IMX_CHIP_REVISION_2_1_STRING		"2.1"
-#define IMX_CHIP_REVISION_2_2_STRING		"2.2"
-#define IMX_CHIP_REVISION_2_3_STRING		"2.3"
-#define IMX_CHIP_REVISION_3_0_STRING		"3.0"
-#define IMX_CHIP_REVISION_3_1_STRING		"3.1"
-#define IMX_CHIP_REVISION_3_2_STRING		"3.2"
-#define IMX_CHIP_REVISION_3_3_STRING		"3.3"
-#define IMX_CHIP_REVISION_UNKNOWN_STRING	"unknown"
-
 #ifndef __ASSEMBLY__
 extern unsigned int __mxc_cpu_type;
 #endif
-- 
GitLab


From 8c6d8319eca370f804fb8e1fcf7070b587d1b81d Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Fri, 11 Nov 2011 13:09:18 +0800
Subject: [PATCH 0421/1594] arm/imx: remove imx_idle hook and use pm_idle
 instead

The patch removes imx_idle hook and use pm_idle instead to get imx
arch_idle prepared for the cleanup.  It's suggested by Russel King
as below.

> The final removal of mach/system.h depends on getting rid of the arch_idle
> thing.  While going through these headers, I was dismayed to find these:
>
> arch/arm/mach-s3c2410/include/mach/system.h:void (*s3c24xx_idle)(void);
> arch/arm/plat-mxc/include/mach/system.h:extern void (*imx_idle)(void);
>
> when we have a perfectly good pm_idle hook already in place - so there's
> no excuse for these especially when other platforms are already using
> pm_idle to hook their platform specific idle function into.  This is
> something that better be gone at the next merge window!

Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/mm-imx3.c             | 53 +++++++++++++------------
 arch/arm/mach-mx5/mm.c                  |  6 ++-
 arch/arm/plat-mxc/include/mach/common.h |  1 -
 arch/arm/plat-mxc/include/mach/system.h |  7 +---
 arch/arm/plat-mxc/system.c              |  1 -
 5 files changed, 33 insertions(+), 35 deletions(-)

diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 9f0e82ec3398..6d01de326f90 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -33,29 +33,32 @@
 static void imx3_idle(void)
 {
 	unsigned long reg = 0;
-	__asm__ __volatile__(
-		/* disable I and D cache */
-		"mrc p15, 0, %0, c1, c0, 0\n"
-		"bic %0, %0, #0x00001000\n"
-		"bic %0, %0, #0x00000004\n"
-		"mcr p15, 0, %0, c1, c0, 0\n"
-		/* invalidate I cache */
-		"mov %0, #0\n"
-		"mcr p15, 0, %0, c7, c5, 0\n"
-		/* clear and invalidate D cache */
-		"mov %0, #0\n"
-		"mcr p15, 0, %0, c7, c14, 0\n"
-		/* WFI */
-		"mov %0, #0\n"
-		"mcr p15, 0, %0, c7, c0, 4\n"
-		"nop\n" "nop\n" "nop\n" "nop\n"
-		"nop\n" "nop\n" "nop\n"
-		/* enable I and D cache */
-		"mrc p15, 0, %0, c1, c0, 0\n"
-		"orr %0, %0, #0x00001000\n"
-		"orr %0, %0, #0x00000004\n"
-		"mcr p15, 0, %0, c1, c0, 0\n"
-		: "=r" (reg));
+
+	if (!need_resched())
+		__asm__ __volatile__(
+			/* disable I and D cache */
+			"mrc p15, 0, %0, c1, c0, 0\n"
+			"bic %0, %0, #0x00001000\n"
+			"bic %0, %0, #0x00000004\n"
+			"mcr p15, 0, %0, c1, c0, 0\n"
+			/* invalidate I cache */
+			"mov %0, #0\n"
+			"mcr p15, 0, %0, c7, c5, 0\n"
+			/* clear and invalidate D cache */
+			"mov %0, #0\n"
+			"mcr p15, 0, %0, c7, c14, 0\n"
+			/* WFI */
+			"mov %0, #0\n"
+			"mcr p15, 0, %0, c7, c0, 4\n"
+			"nop\n" "nop\n" "nop\n" "nop\n"
+			"nop\n" "nop\n" "nop\n"
+			/* enable I and D cache */
+			"mrc p15, 0, %0, c1, c0, 0\n"
+			"orr %0, %0, #0x00001000\n"
+			"orr %0, %0, #0x00000004\n"
+			"mcr p15, 0, %0, c1, c0, 0\n"
+			: "=r" (reg));
+	local_irq_enable();
 }
 
 static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size,
@@ -143,7 +146,7 @@ void __init imx31_init_early(void)
 {
 	mxc_set_cpu_type(MXC_CPU_MX31);
 	mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
-	imx_idle = imx3_idle;
+	pm_idle = imx3_idle;
 	imx_ioremap = imx3_ioremap;
 }
 
@@ -152,7 +155,7 @@ void __init imx35_init_early(void)
 	mxc_set_cpu_type(MXC_CPU_MX35);
 	mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
 	mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
-	imx_idle = imx3_idle;
+	pm_idle = imx3_idle;
 	imx_ioremap = imx3_ioremap;
 }
 
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index 26eacc9d0d90..df4a508f240a 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -23,7 +23,9 @@
 
 static void imx5_idle(void)
 {
-	mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+	if (!need_resched())
+		mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+	local_irq_enable();
 }
 
 /*
@@ -89,7 +91,7 @@ void __init imx51_init_early(void)
 	mxc_set_cpu_type(MXC_CPU_MX51);
 	mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
 	mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR));
-	imx_idle = imx5_idle;
+	pm_idle = imx5_idle;
 }
 
 void __init imx53_init_early(void)
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index 83b745a5e1b7..7143d52c25e1 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h
@@ -85,7 +85,6 @@ enum mxc_cpu_pwr_mode {
 };
 
 extern void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode);
-extern void (*imx_idle)(void);
 extern void imx_print_silicon_rev(const char *cpu, int srev);
 
 void avic_handle_irq(struct pt_regs *);
diff --git a/arch/arm/plat-mxc/include/mach/system.h b/arch/arm/plat-mxc/include/mach/system.h
index cf88b3593fba..b9895d250167 100644
--- a/arch/arm/plat-mxc/include/mach/system.h
+++ b/arch/arm/plat-mxc/include/mach/system.h
@@ -17,14 +17,9 @@
 #ifndef __ASM_ARCH_MXC_SYSTEM_H__
 #define __ASM_ARCH_MXC_SYSTEM_H__
 
-extern void (*imx_idle)(void);
-
 static inline void arch_idle(void)
 {
-	if (imx_idle != NULL)
-		(imx_idle)();
-	else
-		cpu_do_idle();
+	cpu_do_idle();
 }
 
 void arch_reset(char mode, const char *cmd);
diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c
index 9dad8dcc2ea9..a0bcccf9b640 100644
--- a/arch/arm/plat-mxc/system.c
+++ b/arch/arm/plat-mxc/system.c
@@ -28,7 +28,6 @@
 #include <asm/system.h>
 #include <asm/mach-types.h>
 
-void (*imx_idle)(void) = NULL;
 void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int) = NULL;
 
 static void __iomem *wdog_base;
-- 
GitLab


From 71ca86937513f44151454cb6aa8a66e9ed86275a Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 10 Nov 2011 14:15:57 +0000
Subject: [PATCH 0422/1594] MIPS: Fix build error due to missing inclusion of
 <linux/export.h>.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/pci/pci-alchemy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
index 4ee57104e47b..b5ce041cdafb 100644
--- a/arch/mips/pci/pci-alchemy.c
+++ b/arch/mips/pci/pci-alchemy.c
@@ -7,6 +7,7 @@
  * Support for all devices (greater than 16) added by David Gathright.
  */
 
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
-- 
GitLab


From 8965593e41dd2d0e2a2f1e6f245336005ea94a2c Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Fri, 11 Nov 2011 10:14:57 -0500
Subject: [PATCH 0423/1594] btrfs: rename the option to nospace_cache

Rename no_space_cache option to nospace_cache to be more consistent with
the rest, where the simple prefix 'no' is used to negate an option.

The option has been introduced during the -rc1 cycle and there are has not been
widely used, so it's safe.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/super.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 629281c65ff5..8bd9d6d0e07a 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -197,7 +197,7 @@ static match_table_t tokens = {
 	{Opt_subvolrootid, "subvolrootid=%d"},
 	{Opt_defrag, "autodefrag"},
 	{Opt_inode_cache, "inode_cache"},
-	{Opt_no_space_cache, "no_space_cache"},
+	{Opt_no_space_cache, "nospace_cache"},
 	{Opt_recovery, "recovery"},
 	{Opt_err, NULL},
 };
@@ -711,7 +711,7 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	if (btrfs_test_opt(root, SPACE_CACHE))
 		seq_puts(seq, ",space_cache");
 	else
-		seq_puts(seq, ",no_space_cache");
+		seq_puts(seq, ",nospace_cache");
 	if (btrfs_test_opt(root, CLEAR_CACHE))
 		seq_puts(seq, ",clear_cache");
 	if (btrfs_test_opt(root, USER_SUBVOL_RM_ALLOWED))
-- 
GitLab


From f1dfaef54f4c6b86197ab521c815f2810d08663e Mon Sep 17 00:00:00 2001
From: Richard Zhao <richard.zhao@linaro.org>
Date: Tue, 8 Nov 2011 09:59:34 +0800
Subject: [PATCH 0424/1594] ARM: mx51/53: set pwm clock parent to ipg_perclk

Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/clock-mx51-mx53.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 2aacf41c48e7..63cb7596516e 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1281,9 +1281,9 @@ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET,
 	NULL,  NULL, &ipg_clk, &gpt_ipg_clk);
 
 DEFINE_CLOCK(pwm1_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG6_OFFSET,
-	NULL, NULL, &ipg_clk, NULL);
+	NULL, NULL, &ipg_perclk, NULL);
 DEFINE_CLOCK(pwm2_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG8_OFFSET,
-	NULL, NULL, &ipg_clk, NULL);
+	NULL, NULL, &ipg_perclk, NULL);
 
 /* I2C */
 DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG9_OFFSET,
-- 
GitLab


From 59198b6cb2e81a6583db8559d6af9d471e3edb2b Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Fri, 11 Nov 2011 15:37:14 +0800
Subject: [PATCH 0425/1594] arm/imx: fix the references to ARCH_MX3

The config symbol ARCH_MX3 has been removed by commit 'a89cf59
arm/imx: merge i.MX3 and i.MX6', and it should not be referenced
any more.

The patch also change ARCH_MX* to SOC_IMX* for other platforms.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/Makefile.boot | 34 ++++++++++++++++++---------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot
index 22d85889f622..cfede5768aa0 100644
--- a/arch/arm/mach-imx/Makefile.boot
+++ b/arch/arm/mach-imx/Makefile.boot
@@ -1,22 +1,26 @@
-zreladdr-$(CONFIG_ARCH_MX1)	+= 0x08008000
-params_phys-$(CONFIG_ARCH_MX1)	:= 0x08000100
-initrd_phys-$(CONFIG_ARCH_MX1)	:= 0x08800000
+zreladdr-$(CONFIG_SOC_IMX1)	+= 0x08008000
+params_phys-$(CONFIG_SOC_IMX1)	:= 0x08000100
+initrd_phys-$(CONFIG_SOC_IMX1)	:= 0x08800000
 
-zreladdr-$(CONFIG_MACH_MX21)	+= 0xC0008000
-params_phys-$(CONFIG_MACH_MX21)	:= 0xC0000100
-initrd_phys-$(CONFIG_MACH_MX21)	:= 0xC0800000
+zreladdr-$(CONFIG_SOC_IMX21)	+= 0xC0008000
+params_phys-$(CONFIG_SOC_IMX21)	:= 0xC0000100
+initrd_phys-$(CONFIG_SOC_IMX21)	:= 0xC0800000
 
-zreladdr-$(CONFIG_ARCH_MX25)	+= 0x80008000
-params_phys-$(CONFIG_ARCH_MX25)	:= 0x80000100
-initrd_phys-$(CONFIG_ARCH_MX25)	:= 0x80800000
+zreladdr-$(CONFIG_SOC_IMX25)	+= 0x80008000
+params_phys-$(CONFIG_SOC_IMX25)	:= 0x80000100
+initrd_phys-$(CONFIG_SOC_IMX25)	:= 0x80800000
 
-zreladdr-$(CONFIG_MACH_MX27)	+= 0xA0008000
-params_phys-$(CONFIG_MACH_MX27)	:= 0xA0000100
-initrd_phys-$(CONFIG_MACH_MX27)	:= 0xA0800000
+zreladdr-$(CONFIG_SOC_IMX27)	+= 0xA0008000
+params_phys-$(CONFIG_SOC_IMX27)	:= 0xA0000100
+initrd_phys-$(CONFIG_SOC_IMX27)	:= 0xA0800000
 
-zreladdr-$(CONFIG_ARCH_MX3)	+= 0x80008000
-params_phys-$(CONFIG_ARCH_MX3)	:= 0x80000100
-initrd_phys-$(CONFIG_ARCH_MX3)	:= 0x80800000
+zreladdr-$(CONFIG_SOC_IMX31)	+= 0x80008000
+params_phys-$(CONFIG_SOC_IMX31)	:= 0x80000100
+initrd_phys-$(CONFIG_SOC_IMX31)	:= 0x80800000
+
+zreladdr-$(CONFIG_SOC_IMX35)	+= 0x80008000
+params_phys-$(CONFIG_SOC_IMX35)	:= 0x80000100
+initrd_phys-$(CONFIG_SOC_IMX35)	:= 0x80800000
 
 zreladdr-$(CONFIG_SOC_IMX6Q)	+= 0x10008000
 params_phys-$(CONFIG_SOC_IMX6Q)	:= 0x10000100
-- 
GitLab


From 1b929995ebc0f00cc56ddc14cf75a875f4d565d6 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Thu, 10 Nov 2011 16:39:31 +0800
Subject: [PATCH 0426/1594] arm/imx: fix AUTO_ZRELADDR selection

The AUTO_ZRELADDR selection for ARCH_IMX_V4_V5 and ARCH_MX5 should
really be mutually exclusive to ZBOOT_ROM just like what ARCH_IMX_V6_V7
does.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/plat-mxc/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index a08a95107a63..b3a1f2b3ada3 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -10,7 +10,7 @@ choice
 
 config ARCH_IMX_V4_V5
 	bool "i.MX1, i.MX21, i.MX25, i.MX27"
-	select AUTO_ZRELADDR
+	select AUTO_ZRELADDR if !ZBOOT_ROM
 	select ARM_PATCH_PHYS_VIRT
 	help
 	  This enables support for systems based on the Freescale i.MX ARMv4
@@ -26,7 +26,7 @@ config ARCH_IMX_V6_V7
 
 config ARCH_MX5
 	bool "i.MX50, i.MX51, i.MX53"
-	select AUTO_ZRELADDR
+	select AUTO_ZRELADDR if !ZBOOT_ROM
 	select ARM_PATCH_PHYS_VIRT
 	help
 	  This enables support for machines using Freescale's i.MX50 and i.MX53
-- 
GitLab


From f750ba9b8db2a926c315ccfa9e95d12fe4590a22 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Thu, 10 Nov 2011 16:39:32 +0800
Subject: [PATCH 0427/1594] arm/imx: fix imx6q mmc error when mounting rootfs

The following error is seen in some case when mounting rootfs from
SD/MMC cards.

  Waiting for root device /dev/mmcblk0p1...
  mmc1: host does not support reading read-only switch. assuming write-enable.
  mmc1: new high speed SDHC card at address b368
  mmcblk0: mmc1:b368 SDC   3.74 GiB
   mmcblk0: p1
  mmc1: Timeout waiting for hardware interrupt.
  mmcblk0: error -110 transferring data, sector 3678224, nr 40, cmd response 0x900, card status 0xc00
  end_request: I/O error, dev mmcblk0, sector 3678225
  Buffer I/O error on device mmcblk0p1, logical block 458754
  lost page write due to I/O error on mmcblk0p1

This patch fixes the problem by lowering the usdhc clock and correcting
watermark configuration.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Chris Ball <cjb@laptop.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/clock-imx6q.c    | 17 ++++++++++++++++-
 drivers/mmc/host/sdhci-esdhc-imx.c |  8 ++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c
index e0b926dfeced..613a1b993bff 100644
--- a/arch/arm/mach-imx/clock-imx6q.c
+++ b/arch/arm/mach-imx/clock-imx6q.c
@@ -1139,7 +1139,7 @@ static int _clk_set_rate(struct clk *clk, unsigned long rate)
 		return -EINVAL;
 
 	max_div = ((d->bm_pred >> d->bp_pred) + 1) *
-		  ((d->bm_pred >> d->bp_pred) + 1);
+		  ((d->bm_podf >> d->bp_podf) + 1);
 
 	div = parent_rate / rate;
 	if (div == 0)
@@ -2002,6 +2002,21 @@ int __init mx6q_clocks_init(void)
 	clk_set_rate(&asrc_serial_clk, 1500000);
 	clk_set_rate(&enfc_clk, 11000000);
 
+	/*
+	 * Before pinctrl API is available, we have to rely on the pad
+	 * configuration set up by bootloader.  For usdhc example here,
+	 * u-boot sets up the pads for 49.5 MHz case, and we have to lower
+	 * the usdhc clock from 198 to 49.5 MHz to match the pad configuration.
+	 *
+	 * FIXME: This is should be removed after pinctrl API is available.
+	 * At that time, usdhc driver can call pinctrl API to change pad
+	 * configuration dynamically per different usdhc clock settings.
+	 */
+	clk_set_rate(&usdhc1_clk, 49500000);
+	clk_set_rate(&usdhc2_clk, 49500000);
+	clk_set_rate(&usdhc3_clk, 49500000);
+	clk_set_rate(&usdhc4_clk, 49500000);
+
 	np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
 	base = of_iomap(np, 0);
 	WARN_ON(!base);
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index ae57769ba50d..4b976f00ea85 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -32,6 +32,7 @@
 /* VENDOR SPEC register */
 #define SDHCI_VENDOR_SPEC		0xC0
 #define  SDHCI_VENDOR_SPEC_SDIO_QUIRK	0x00000002
+#define SDHCI_WTMK_LVL			0x44
 #define SDHCI_MIX_CTRL			0x48
 
 /*
@@ -476,6 +477,13 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev)
 	if (is_imx53_esdhc(imx_data))
 		imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT;
 
+	/*
+	 * The imx6q ROM code will change the default watermark level setting
+	 * to something insane.  Change it back here.
+	 */
+	if (is_imx6q_usdhc(imx_data))
+		writel(0x08100810, host->ioaddr + SDHCI_WTMK_LVL);
+
 	boarddata = &imx_data->boarddata;
 	if (sdhci_esdhc_imx_probe_dt(pdev, boarddata) < 0) {
 		if (!host->mmc->parent->platform_data) {
-- 
GitLab


From 43e58856585f8c61e6a4a0f1fd6996d78799a973 Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Wed, 9 Nov 2011 16:50:50 -0800
Subject: [PATCH 0428/1594] iwlwifi: avoid a panic when unloading the module
 with RF Kill

When HW RF kill switch is set to kill the radio, our NIC issues an
interrupt after we stop the APM module. When we unload the module,
the driver disables and cleans the interrupts before stopping the
APM. So we have a real interrupt (inta not zero) pending.
When this interrupts pops up the tasklet has already been killed
and we crash.

Here is a logical description of the flow:

disable and clean interrupts
synchronize interrupts
kill the tasklet

stop the APM <<== creates an RF kill interrupt

free_irq <<== somehow our ISR is called here and we crash

Here is the panic message:

[  201.313636] BUG: unable to handle kernel paging request at ffff8800911b7150
[  201.314541] IP: [<ffffffff8106d652>] tasklet_action+0x62/0x130
[  201.315149] PGD 1c06063 PUD db37f067 PMD db408067 PTE 80000000911b7160
[  201.316456] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[  201.317324] CPU 1
[  201.317495] Modules linked in: arc4 iwlwifi(-) mac80211 cfg80211 netconsole configfs binfmt_misc i915 drm_kms_helper drm uvcvideo i2c_algo_bit videodev dell_laptop dcdbas intel_agp dell_wmi intel_ips psmouse intel_gtt v4l2_compat_ioctl32 asix usbnet mii serio_raw video sparse_keymap firewire_ohci sdhci_pci sdhci firewire_core e1000e crc_itu_t [last unloaded: configfs]
[  201.323839]
[  201.324015] Pid: 2061, comm: modprobe Not tainted 3.1.0-rc9-wl #4 Dell Inc. Latitude E6410/0667CC
[  201.324736] RIP: 0010:[<ffffffff8106d652>]  [<ffffffff8106d652>] tasklet_action+0x62/0x130
[  201.325128] RSP: 0018:ffff88011bc43ea0  EFLAGS: 00010286
[  201.325338] RAX: ffff88008ae70000 RBX: ffff8800911b7150 RCX: ffff88008ae70028
[  201.325555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88008ae70000
[  201.325775] RBP: ffff88011bc43ec0 R08: 0000000000000000 R09: 0000000000000000
[  201.325994] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  201.326212] R13: 0000000000000006 R14: 0000000000000100 R15: ffff88008e259fd8
[  201.326431] FS:  00007f4b90ea9700(0000) GS:ffff88011bc40000(0000) knlGS:0000000000000000
[  201.326657] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  201.326864] CR2: ffff8800911b7150 CR3: 000000008fd6d000 CR4: 00000000000006e0
[  201.327083] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  201.327302] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  201.327521] Process modprobe (pid: 2061, threadinfo ffff88008e258000, task ffff88008ae70000)
[  201.327747] Stack:
[  201.330494]  0000000000000046 0000000000000030 0000000000000001 0000000000000006
[  201.333870]  ffff88011bc43f30 ffffffff8106cd8a ffffffff811e1016 ffff88011bc43f08
[  201.337186]  0000000100000046 ffff88008e259fd8 0000000a10be2160 0000000000000006
[  201.340458] Call Trace:
[  201.342994]  <IRQ>
[  201.345656]  [<ffffffff8106cd8a>] __do_softirq+0xca/0x250
[  201.348185]  [<ffffffff811e1016>] ? pde_put+0x76/0x90
[  201.350730]  [<ffffffff8131aeae>] ? do_raw_spin_unlock+0x5e/0xb0
[  201.353261]  [<ffffffff811e1016>] ? pde_put+0x76/0x90
[  201.355776]  [<ffffffff8163ccfc>] call_softirq+0x1c/0x30
[  201.358287]  [<ffffffff8101531d>] do_softirq+0x9d/0xd0
[  201.360823]  [<ffffffff8106cb05>] irq_exit+0xd5/0xf0
[  201.363330]  [<ffffffff8163d5d6>] do_IRQ+0x66/0xe0
[  201.365819]  [<ffffffff81632673>] common_interrupt+0x73/0x73
[  201.368257]  <EOI>

Cc: <stable@kernel.org> 3.1+
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 33 ++++++++++---------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index da3411057afc..ce918980e977 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -990,29 +990,16 @@ static int iwl_trans_tx_stop(struct iwl_trans *trans)
 	return 0;
 }
 
-static void iwl_trans_pcie_disable_sync_irq(struct iwl_trans *trans)
+static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
 {
 	unsigned long flags;
-	struct iwl_trans_pcie *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
+	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 
+	/* tell the device to stop sending interrupts */
 	spin_lock_irqsave(&trans->shrd->lock, flags);
 	iwl_disable_interrupts(trans);
 	spin_unlock_irqrestore(&trans->shrd->lock, flags);
 
-	/* wait to make sure we flush pending tasklet*/
-	synchronize_irq(bus(trans)->irq);
-	tasklet_kill(&trans_pcie->irq_tasklet);
-}
-
-static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
-{
-	/* stop and reset the on-board processor */
-	iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
-
-	/* tell the device to stop sending interrupts */
-	iwl_trans_pcie_disable_sync_irq(trans);
-
 	/* device going down, Stop using ICT table */
 	iwl_disable_ict(trans);
 
@@ -1039,6 +1026,20 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
 
 	/* Stop the device, and put it in low power state */
 	iwl_apm_stop(priv(trans));
+
+	/* Upon stop, the APM issues an interrupt if HW RF kill is set.
+	 * Clean again the interrupt here
+	 */
+	spin_lock_irqsave(&trans->shrd->lock, flags);
+	iwl_disable_interrupts(trans);
+	spin_unlock_irqrestore(&trans->shrd->lock, flags);
+
+	/* wait to make sure we flush pending tasklet*/
+	synchronize_irq(bus(trans)->irq);
+	tasklet_kill(&trans_pcie->irq_tasklet);
+
+	/* stop and reset the on-board processor */
+	iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
 }
 
 static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
-- 
GitLab


From fada10584d3890258e59da73728510ad7e08a033 Mon Sep 17 00:00:00 2001
From: Amitkumar Karwar <akarwar@marvell.com>
Date: Wed, 9 Nov 2011 21:36:21 -0800
Subject: [PATCH 0429/1594] mwifiex: fix association issue with AP configured
 in hidden SSID mode

Firmware expects 'max_ssid_length' field in
'struct mwifiex_ie_types_wildcard_ssid_params' to be '0' for
performing SSID specific scan. Currently driver updates it with
an actual SSID length. Hence UUT is not able to find the AP
configured in hidden SSID mode in scan results and association
fails.

max_ssid_length is filled with '0' to fix the issue.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwifiex/scan.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 8a3f9598ad33..8d3ab378662b 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -819,8 +819,10 @@ mwifiex_scan_setup_scan_config(struct mwifiex_private *priv,
 			wildcard_ssid_tlv->header.len = cpu_to_le16(
 				(u16) (ssid_len + sizeof(wildcard_ssid_tlv->
 							 max_ssid_length)));
-			wildcard_ssid_tlv->max_ssid_length =
-				user_scan_in->ssid_list[ssid_idx].max_len;
+
+			/* max_ssid_length = 0 tells firmware to perform
+			   specific scan for the SSID filled */
+			wildcard_ssid_tlv->max_ssid_length = 0;
 
 			memcpy(wildcard_ssid_tlv->ssid,
 			       user_scan_in->ssid_list[ssid_idx].ssid,
-- 
GitLab


From 0027cb3e1947d0f453fece40ed16764fb362bac6 Mon Sep 17 00:00:00 2001
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Thu, 10 Nov 2011 16:40:37 +0900
Subject: [PATCH 0430/1594] PCI: pciehp: wait 1000 ms before Link Training
 check

We need to wait for 1000 ms after Data Link Layer Link Active (DLLLA)
bit reads 1b before sending configuration request. Currently pciehp
does this wait after checking Link Training (LT) bit. But we need it
before checking LT bit because LT is still set even after DLLLA bit is
set on some platforms.

Acked-by: Yinghai Lu <yinghai@kernel.org>
Tested-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp_ctrl.c | 3 ---
 drivers/pci/hotplug/pciehp_hpc.c  | 8 ++++++++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 1e9c9aacc3a6..085dbb5fc168 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -213,9 +213,6 @@ static int board_added(struct slot *p_slot)
 		goto err_exit;
 	}
 
-	/* Wait for 1 second after checking link training status */
-	msleep(1000);
-
 	/* Check for a power fault */
 	if (ctrl->power_fault_detected || pciehp_query_power_fault(p_slot)) {
 		ctrl_err(ctrl, "Power fault on slot %s\n", slot_name(p_slot));
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 6692832c9c81..81a177a5f032 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -280,6 +280,14 @@ int pciehp_check_link_status(struct controller *ctrl)
         else
                 msleep(1000);
 
+	/*
+	 * Need to wait for 1000 ms after Data Link Layer Link Active
+	 * (DLLLA) bit reads 1b before sending configuration request.
+	 * We need it before checking Link Training (LT) bit becuase
+	 * LT is still set even after DLLLA bit is set on some platform.
+	 */
+	msleep(1000);
+
 	retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status);
 	if (retval) {
 		ctrl_err(ctrl, "Cannot read LNKSTATUS register\n");
-- 
GitLab


From b3c004542229099e18198061c737e13eafc8d4d6 Mon Sep 17 00:00:00 2001
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Thu, 10 Nov 2011 16:42:16 +0900
Subject: [PATCH 0431/1594] PCI: pciehp: wait 100 ms after Link Training check

If the port supports Link speeds greater than 5.0 GT/s, we must wait
for 100 ms after Link training completes before sending configuration
request.

Acked-by: Yinghai Lu <yinghai@kernel.org>
Tested-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp_hpc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 81a177a5f032..7b1414810ae3 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -302,6 +302,14 @@ int pciehp_check_link_status(struct controller *ctrl)
 		return retval;
 	}
 
+	/*
+	 * If the port supports Link speeds greater than 5.0 GT/s, we
+	 * must wait for 100 ms after Link training completes before
+	 * sending configuration request.
+	 */
+	if (ctrl->pcie->port->subordinate->max_bus_speed > PCIE_SPEED_5_0GT)
+		msleep(100);
+
 	pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status);
 
 	return retval;
-- 
GitLab


From 774ac21da76f5c3018428725074e27a3fd40b128 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 11 Nov 2011 09:48:08 -0800
Subject: [PATCH 0432/1594] ceph: initialize root dentry

Set up d_fsdata on the root dentry.  This fixes a NULL pointer dereference
in ceph_d_prune on umount.  It also means we can eventually strip out all
of the conditional checks on d_fsdata because it is now set unconditionally
(prior to setting up the d_ops).

Fix the ceph_d_prune debug print while we're here.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/dir.c   | 2 +-
 fs/ceph/super.c | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 2abd0dfad7f8..bca3948e9dbf 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1143,7 +1143,7 @@ static void ceph_d_prune(struct dentry *dentry)
 {
 	struct ceph_dentry_info *di;
 
-	dout("d_release %p\n", dentry);
+	dout("ceph_d_prune %p\n", dentry);
 
 	/* do we have a valid parent? */
 	if (!dentry->d_parent || IS_ROOT(dentry))
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index a90846fac759..8dc73a594a90 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -638,10 +638,12 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc,
 	if (err == 0) {
 		dout("open_root_inode success\n");
 		if (ceph_ino(req->r_target_inode) == CEPH_INO_ROOT &&
-		    fsc->sb->s_root == NULL)
+		    fsc->sb->s_root == NULL) {
 			root = d_alloc_root(req->r_target_inode);
-		else
+			ceph_init_dentry(root);
+		} else {
 			root = d_obtain_alias(req->r_target_inode);
+		}
 		req->r_target_inode = NULL;
 		dout("open_root_inode success, root dentry is %p\n", root);
 	} else {
-- 
GitLab


From 224736d9113ab4a7cf3f05c05377492bd99b4b02 Mon Sep 17 00:00:00 2001
From: Stratos Psomadakis <psomas@grnet.gr>
Date: Thu, 10 Nov 2011 15:45:37 +0200
Subject: [PATCH 0433/1594] libceph: Allocate larger oid buffer in request msgs

ceph_osd_request struct allocates a 40-byte buffer for object names.
RBD image names can be up to 96 chars long (100 with the .rbd suffix),
which results in the object name for the image being truncated, and a
subsequent map failure.

Increase the oid buffer in request messages, in order to avoid the
truncation.

Signed-off-by: Stratos Psomadakis <psomas@grnet.gr>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 include/linux/ceph/osd_client.h | 8 +++++++-
 net/ceph/osd_client.c           | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index f88eacb111d4..7c05ac202d90 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -10,6 +10,12 @@
 #include "osdmap.h"
 #include "messenger.h"
 
+/* 
+ * Maximum object name size 
+ * (must be at least as big as RBD_MAX_MD_NAME_LEN -- currently 100) 
+ */
+#define MAX_OBJ_NAME_SIZE 100
+
 struct ceph_msg;
 struct ceph_snap_context;
 struct ceph_osd_request;
@@ -75,7 +81,7 @@ struct ceph_osd_request {
 	struct inode *r_inode;         	      /* for use by callbacks */
 	void *r_priv;			      /* ditto */
 
-	char              r_oid[40];          /* object name */
+	char              r_oid[MAX_OBJ_NAME_SIZE];          /* object name */
 	int               r_oid_len;
 	unsigned long     r_stamp;            /* send OR check time */
 
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 733e46008b89..f4f3f58f5234 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -244,7 +244,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
 		ceph_pagelist_init(req->r_trail);
 	}
 	/* create request message; allow space for oid */
-	msg_size += 40;
+	msg_size += MAX_OBJ_NAME_SIZE;
 	if (snapc)
 		msg_size += sizeof(u64) * snapc->num_snaps;
 	if (use_mempool)
-- 
GitLab


From e9b7086b80c4d9e354f4edc9e280ae85a60df408 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 11 Nov 2011 10:15:11 -0800
Subject: [PATCH 0434/1594] ARM: OMAP: Fix reprogramming of dpll1 rate

Commit a66cb3454f220f49f900646ebdc76cb943319eb7 (ARM: OMAP: Map SRAM
later on with ioremap_exec()) moved the SRAM init to happen later
to remove a dependency to early SoC detection for map_io.

This broke booting on some boards not using Kconfig option for
OMAP_CLOCKS_SET_BY_BOOTLOADER as the dpll1 reprogramming would
cause the following error:

kernel BUG at arch/arm/plat-omap/sram.c:226!
Internal error: Oops - undefined instruction: 0 [#1] PREEMPT
Modules linked in:

CPU: 0    Not tainted  (3.2.0-rc1-e3 #9)
PC is at omap_sram_reprogram_clock+0x28/0x30
LR is at omap1_select_table_rate+0x88/0xb4
pc : [<c001b0c4>]    lr : [<c0019f54>]    psr: 600000d3
sp : c035bf10  ip : c035bf20  fp : c035bf1c
r10: c035bfd4  r9 : 54029252  r8 : c03f8120
r7 : c0362b50  r6 : 00b71b00  r5 : c03873cc  r4 : c0362b40
r3 : 00000000  r2 : c0362b40  r1 : 0000010a  r0 : 00002cb0
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
Control: 0000317f  Table: 10004000  DAC: 00000017
Process swapper (pid: 0, stack limit = 0xc035a270)
Stack: (0xc035bf10 to 0xc035c000)
bf00:                                     c035bf3c c035bf20 c0019f54 c001b0ac
bf20: 00001000 00002cb3 00000004 c035ed4c c035bf74 c035bf40 c033ea24 c0019edc
bf40: c02f526c 00000002 00000015 bc058c9b 93111a16 c035335c 02000000 c035ed4c
bf60: c035ed4c c03f8120 c035bf84 c035bf78 c00194c4 c033e8ec c035bfc4 c035bf88
bf80: c033bc24 c00194a0 c035bf90 c035bf98 00000000 00000000 00000000 00000000
bfa0: 00000001 00000000 c0354678 c035ece4 10004000 103532f4 c035bff4 c035bfc8
bfc0: c0338574 c033b598 00000000 00000000 00000000 c035467c 0000317d c035c03c
bfe0: c0354678 c035ece4 00000000 c035bff8 10008040 c0338508 00000000 00000000
Backtrace:
[<c001b09c>] (omap_sram_reprogram_clock+0x0/0x30) from [<c0019f54>] (omap1_select_table_rate+0x88/0xb4)
[<c0019ecc>] (omap1_select_table_rate+0x0/0xb4) from [<c033ea24>] (omap1_clk_init+0x148/0x334)
 r7:c035ed4c r6:00000004 r5:00002cb3 r4:00001000
[<c033e8dc>] (omap1_clk_init+0x0/0x334) from [<c00194c4>] (omap1_init_early+0x34/0x48)
 r8:c03f8120 r7:c035ed4c r6:c035ed4c r5:02000000 r4:c035335c
[<c0019490>] (omap1_init_early+0x0/0x48) from [<c033bc24>] (setup_arch+0x69c/0x79c)
[<c033b588>] (setup_arch+0x0/0x79c) from [<c0338574>] (start_kernel+0x7c/0x2f4)
[<c03384f8>] (start_kernel+0x0/0x2f4) from [<10008040>] (0x10008040)
 r7:c035ece4 r6:c0354678 r5:c035c03c r4:0000317d
Code: 0a000002 e1a0e00f e12fff13 e89da800 (e7f001f2)

Fix this by adding omap1_clk_late_init() that only reprograms dpll1
if the bootloader rate is less than 60MHz. This also allows removing
of the OMAP_CLOCKS_SET_BY_BOOTLOADER option.

Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap1_defconfig |  1 -
 arch/arm/mach-omap1/Kconfig      |  8 -----
 arch/arm/mach-omap1/clock.h      |  3 +-
 arch/arm/mach-omap1/clock_data.c | 53 ++++++++++++++++++++------------
 arch/arm/mach-omap1/devices.c    |  3 ++
 5 files changed, 39 insertions(+), 29 deletions(-)

diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig
index 7b63462b349d..a7e777581378 100644
--- a/arch/arm/configs/omap1_defconfig
+++ b/arch/arm/configs/omap1_defconfig
@@ -48,7 +48,6 @@ CONFIG_MACH_SX1=y
 CONFIG_MACH_NOKIA770=y
 CONFIG_MACH_AMS_DELTA=y
 CONFIG_MACH_OMAP_GENERIC=y
-CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER=y
 CONFIG_OMAP_ARM_216MHZ=y
 CONFIG_OMAP_ARM_195MHZ=y
 CONFIG_OMAP_ARM_192MHZ=y
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index e0a028161dde..73f287d6429b 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -171,14 +171,6 @@ config MACH_OMAP_GENERIC
 comment "OMAP CPU Speed"
 	depends on ARCH_OMAP1
 
-config OMAP_CLOCKS_SET_BY_BOOTLOADER
-	bool "OMAP clocks set by bootloader"
-	depends on ARCH_OMAP1
-	help
-	  Enable this option to prevent the kernel from overriding the clock
-	  frequencies programmed by bootloader for MPU, DSP, MMUs, TC,
-	  internal LCD controller and MPU peripherals.
-
 config OMAP_ARM_216MHZ
 	bool "OMAP ARM 216 MHz CPU (1710 only)"
         depends on ARCH_OMAP1 && ARCH_OMAP16XX
diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h
index eaf09efb91ca..16b1423b454a 100644
--- a/arch/arm/mach-omap1/clock.h
+++ b/arch/arm/mach-omap1/clock.h
@@ -17,7 +17,8 @@
 
 #include <plat/clock.h>
 
-extern int __init omap1_clk_init(void);
+int omap1_clk_init(void);
+void omap1_clk_late_init(void);
 extern int omap1_clk_enable(struct clk *clk);
 extern void omap1_clk_disable(struct clk *clk);
 extern long omap1_clk_round_rate(struct clk *clk, unsigned long rate);
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index 92400b9eb69f..1297bb58869c 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -767,6 +767,15 @@ static struct clk_functions omap1_clk_functions = {
 	.clk_disable_unused	= omap1_clk_disable_unused,
 };
 
+static void __init omap1_show_rates(void)
+{
+	pr_notice("Clocking rate (xtal/DPLL1/MPU): "
+			"%ld.%01ld/%ld.%01ld/%ld.%01ld MHz\n",
+		ck_ref.rate / 1000000, (ck_ref.rate / 100000) % 10,
+		ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10,
+		arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10);
+}
+
 int __init omap1_clk_init(void)
 {
 	struct omap_clk *c;
@@ -835,9 +844,12 @@ int __init omap1_clk_init(void)
 	/* We want to be in syncronous scalable mode */
 	omap_writew(0x1000, ARM_SYSST);
 
-#ifdef CONFIG_OMAP_CLOCKS_SET_BY_BOOTLOADER
-	/* Use values set by bootloader. Determine PLL rate and recalculate
-	 * dependent clocks as if kernel had changed PLL or divisors.
+
+	/*
+	 * Initially use the values set by bootloader. Determine PLL rate and
+	 * recalculate dependent clocks as if kernel had changed PLL or
+	 * divisors. See also omap1_clk_late_init() that can reprogram dpll1
+	 * after the SRAM is initialized.
 	 */
 	{
 		unsigned pll_ctl_val = omap_readw(DPLL_CTL);
@@ -862,25 +874,10 @@ int __init omap1_clk_init(void)
 			}
 		}
 	}
-#else
-	/* Find the highest supported frequency and enable it */
-	if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) {
-		printk(KERN_ERR "System frequencies not set. Check your config.\n");
-		/* Guess sane values (60MHz) */
-		omap_writew(0x2290, DPLL_CTL);
-		omap_writew(cpu_is_omap7xx() ? 0x3005 : 0x1005, ARM_CKCTL);
-		ck_dpll1.rate = 60000000;
-	}
-#endif
 	propagate_rate(&ck_dpll1);
 	/* Cache rates for clocks connected to ck_ref (not dpll1) */
 	propagate_rate(&ck_ref);
-	printk(KERN_INFO "Clocking rate (xtal/DPLL1/MPU): "
-		"%ld.%01ld/%ld.%01ld/%ld.%01ld MHz\n",
-	       ck_ref.rate / 1000000, (ck_ref.rate / 100000) % 10,
-	       ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10,
-	       arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10);
-
+	omap1_show_rates();
 	if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
 		/* Select slicer output as OMAP input clock */
 		omap_writew(omap_readw(OMAP7XX_PCC_UPLD_CTRL) & ~0x1,
@@ -925,3 +922,21 @@ int __init omap1_clk_init(void)
 
 	return 0;
 }
+
+#define OMAP1_DPLL1_SANE_VALUE	60000000
+
+void __init omap1_clk_late_init(void)
+{
+	if (ck_dpll1.rate >= OMAP1_DPLL1_SANE_VALUE)
+		return;
+
+	/* Find the highest supported frequency and enable it */
+	if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) {
+		pr_err("System frequencies not set, using default. Check your config.\n");
+		omap_writew(0x2290, DPLL_CTL);
+		omap_writew(cpu_is_omap7xx() ? 0x3005 : 0x1005, ARM_CKCTL);
+		ck_dpll1.rate = OMAP1_DPLL1_SANE_VALUE;
+	}
+	propagate_rate(&ck_dpll1);
+	omap1_show_rates();
+}
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 48ef9888e820..475cb2f50d87 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -30,6 +30,8 @@
 #include <plat/omap7xx.h>
 #include <plat/mcbsp.h>
 
+#include "clock.h"
+
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE)
@@ -293,6 +295,7 @@ static int __init omap1_init_devices(void)
 		return -ENODEV;
 
 	omap_sram_init();
+	omap1_clk_late_init();
 
 	/* please keep these calls, and their implementations above,
 	 * in alphabetical order so they're easier to sort through.
-- 
GitLab


From 40809565ca57a8e94bae20b22da014c44ec233f6 Mon Sep 17 00:00:00 2001
From: Casey Schaufler <casey@schaufler-ca.com>
Date: Thu, 10 Nov 2011 15:02:22 -0800
Subject: [PATCH 0435/1594] Smack: smackfs cipso seq read repair

Commit 272cd7a8c67dd40a31ecff76a503bbb84707f757 introduced
a change to the way rule lists are handled and reported in
the smackfs filesystem. One of the issues addressed had to
do with the termination of read requests on /smack/load.
This change introduced a error in /smack/cipso, which shares
some of the same list processing code.

This patch updates all the file access list handling in
smackfs to use the code introduced for /smack/load.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
---
 security/smack/smackfs.c | 115 +++++++++++++--------------------------
 1 file changed, 39 insertions(+), 76 deletions(-)

diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 6aceef518a41..5c32f36ff706 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -102,9 +102,6 @@ static int smk_cipso_doi_value = SMACK_CIPSO_DOI_DEFAULT;
 
 const char *smack_cipso_option = SMACK_CIPSO_OPTION;
 
-
-#define	SEQ_READ_FINISHED	((loff_t)-1)
-
 /*
  * Values for parsing cipso rules
  * SMK_DIGITLEN: Length of a digit field in a rule.
@@ -357,10 +354,12 @@ static ssize_t smk_write_load_list(struct file *file, const char __user *buf,
 
 	rc = count;
 	/*
+	 * If this is "load" as opposed to "load-self" and a new rule
+	 * it needs to get added for reporting.
 	 * smk_set_access returns true if there was already a rule
 	 * for the subject/object pair, and false if it was new.
 	 */
-	if (!smk_set_access(rule, rule_list, rule_lock)) {
+	if (load && !smk_set_access(rule, rule_list, rule_lock)) {
 		smlp = kzalloc(sizeof(*smlp), GFP_KERNEL);
 		if (smlp != NULL) {
 			smlp->smk_rule = rule;
@@ -377,12 +376,12 @@ out:
 	return rc;
 }
 
-
 /*
- * Seq_file read operations for /smack/load
+ * Core logic for smackfs seq list operations.
  */
 
-static void *load_seq_start(struct seq_file *s, loff_t *pos)
+static void *smk_seq_start(struct seq_file *s, loff_t *pos,
+				struct list_head *head)
 {
 	struct list_head *list;
 
@@ -390,7 +389,7 @@ static void *load_seq_start(struct seq_file *s, loff_t *pos)
 	 * This is 0 the first time through.
 	 */
 	if (s->index == 0)
-		s->private = &smack_rule_list;
+		s->private = head;
 
 	if (s->private == NULL)
 		return NULL;
@@ -404,11 +403,12 @@ static void *load_seq_start(struct seq_file *s, loff_t *pos)
 	return list;
 }
 
-static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos)
+static void *smk_seq_next(struct seq_file *s, void *v, loff_t *pos,
+				struct list_head *head)
 {
 	struct list_head *list = v;
 
-	if (list_is_last(list, &smack_rule_list)) {
+	if (list_is_last(list, head)) {
 		s->private = NULL;
 		return NULL;
 	}
@@ -416,6 +416,25 @@ static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos)
 	return list->next;
 }
 
+static void smk_seq_stop(struct seq_file *s, void *v)
+{
+	/* No-op */
+}
+
+/*
+ * Seq_file read operations for /smack/load
+ */
+
+static void *load_seq_start(struct seq_file *s, loff_t *pos)
+{
+	return smk_seq_start(s, pos, &smack_rule_list);
+}
+
+static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos)
+{
+	return smk_seq_next(s, v, pos, &smack_rule_list);
+}
+
 static int load_seq_show(struct seq_file *s, void *v)
 {
 	struct list_head *list = v;
@@ -446,16 +465,11 @@ static int load_seq_show(struct seq_file *s, void *v)
 	return 0;
 }
 
-static void load_seq_stop(struct seq_file *s, void *v)
-{
-	/* No-op */
-}
-
 static const struct seq_operations load_seq_ops = {
 	.start = load_seq_start,
 	.next  = load_seq_next,
 	.show  = load_seq_show,
-	.stop  = load_seq_stop,
+	.stop  = smk_seq_stop,
 };
 
 /**
@@ -574,28 +588,12 @@ static void smk_unlbl_ambient(char *oldambient)
 
 static void *cipso_seq_start(struct seq_file *s, loff_t *pos)
 {
-	if (*pos == SEQ_READ_FINISHED)
-		return NULL;
-	if (list_empty(&smack_known_list))
-		return NULL;
-
-	return smack_known_list.next;
+	return smk_seq_start(s, pos, &smack_known_list);
 }
 
 static void *cipso_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
-	struct list_head  *list = v;
-
-	/*
-	 * labels with no associated cipso value wont be printed
-	 * in cipso_seq_show
-	 */
-	if (list_is_last(list, &smack_known_list)) {
-		*pos = SEQ_READ_FINISHED;
-		return NULL;
-	}
-
-	return list->next;
+	return smk_seq_next(s, v, pos, &smack_known_list);
 }
 
 /*
@@ -634,16 +632,11 @@ static int cipso_seq_show(struct seq_file *s, void *v)
 	return 0;
 }
 
-static void cipso_seq_stop(struct seq_file *s, void *v)
-{
-	/* No-op */
-}
-
 static const struct seq_operations cipso_seq_ops = {
 	.start = cipso_seq_start,
-	.stop  = cipso_seq_stop,
 	.next  = cipso_seq_next,
 	.show  = cipso_seq_show,
+	.stop  = smk_seq_stop,
 };
 
 /**
@@ -788,23 +781,12 @@ static const struct file_operations smk_cipso_ops = {
 
 static void *netlbladdr_seq_start(struct seq_file *s, loff_t *pos)
 {
-	if (*pos == SEQ_READ_FINISHED)
-		return NULL;
-	if (list_empty(&smk_netlbladdr_list))
-		return NULL;
-	return smk_netlbladdr_list.next;
+	return smk_seq_start(s, pos, &smk_netlbladdr_list);
 }
 
 static void *netlbladdr_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
-	struct list_head *list = v;
-
-	if (list_is_last(list, &smk_netlbladdr_list)) {
-		*pos = SEQ_READ_FINISHED;
-		return NULL;
-	}
-
-	return list->next;
+	return smk_seq_next(s, v, pos, &smk_netlbladdr_list);
 }
 #define BEBITS	(sizeof(__be32) * 8)
 
@@ -828,16 +810,11 @@ static int netlbladdr_seq_show(struct seq_file *s, void *v)
 	return 0;
 }
 
-static void netlbladdr_seq_stop(struct seq_file *s, void *v)
-{
-	/* No-op */
-}
-
 static const struct seq_operations netlbladdr_seq_ops = {
 	.start = netlbladdr_seq_start,
-	.stop  = netlbladdr_seq_stop,
 	.next  = netlbladdr_seq_next,
 	.show  = netlbladdr_seq_show,
+	.stop  = smk_seq_stop,
 };
 
 /**
@@ -1405,23 +1382,14 @@ static void *load_self_seq_start(struct seq_file *s, loff_t *pos)
 {
 	struct task_smack *tsp = current_security();
 
-	if (*pos == SEQ_READ_FINISHED)
-		return NULL;
-	if (list_empty(&tsp->smk_rules))
-		return NULL;
-	return tsp->smk_rules.next;
+	return smk_seq_start(s, pos, &tsp->smk_rules);
 }
 
 static void *load_self_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
 	struct task_smack *tsp = current_security();
-	struct list_head *list = v;
 
-	if (list_is_last(list, &tsp->smk_rules)) {
-		*pos = SEQ_READ_FINISHED;
-		return NULL;
-	}
-	return list->next;
+	return smk_seq_next(s, v, pos, &tsp->smk_rules);
 }
 
 static int load_self_seq_show(struct seq_file *s, void *v)
@@ -1453,16 +1421,11 @@ static int load_self_seq_show(struct seq_file *s, void *v)
 	return 0;
 }
 
-static void load_self_seq_stop(struct seq_file *s, void *v)
-{
-	/* No-op */
-}
-
 static const struct seq_operations load_self_seq_ops = {
 	.start = load_self_seq_start,
 	.next  = load_self_seq_next,
 	.show  = load_self_seq_show,
-	.stop  = load_self_seq_stop,
+	.stop  = smk_seq_stop,
 };
 
 
-- 
GitLab


From 193733585692301f38d489b8ad8724c2f88349c0 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Fri, 11 Nov 2011 22:05:54 +0100
Subject: [PATCH 0436/1594] The Windows driver .inf disables ASPM on all cciss
 devices. Do the same.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: iss_storagedev@hp.com
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/cciss.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 486f94ef24d4..5b690194dd99 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -4319,6 +4320,10 @@ static int __devinit cciss_pci_init(ctlr_info_t *h)
 		dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
 		return -ENODEV;
 	}
+
+	pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+				PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+
 	err = pci_enable_device(h->pdev);
 	if (err) {
 		dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n");
-- 
GitLab


From f2ee442115c9b6219083c019939a9cc0c9abb2f8 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Thu, 10 Nov 2011 13:21:10 +0000
Subject: [PATCH 0437/1594] ce4100: fix a build error

Fix a build error. CE4100 with no serial errors because the alternate
function is only a prototype not a null function as intended.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/platform/ce4100/ce4100.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
index 28071bb31db7..4c61b52191eb 100644
--- a/arch/x86/platform/ce4100/ce4100.c
+++ b/arch/x86/platform/ce4100/ce4100.c
@@ -109,7 +109,7 @@ static __init void sdv_serial_fixup(void)
 }
 
 #else
-static inline void sdv_serial_fixup(void);
+static inline void sdv_serial_fixup(void) {};
 #endif
 
 static void __init sdv_arch_setup(void)
-- 
GitLab


From 57e6319dd61d5ca10fe8dd57bcce8c0e2c480799 Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Thu, 10 Nov 2011 13:23:39 +0000
Subject: [PATCH 0438/1594] vrtc: change its year offset from 1960 to 1972

Real world year equals the value in vrtc YEAR register plus an offset.
We used 1960 as the offset to make leap year consistent, but for a
device's first use, its YEAR register is 0 and the system year will
be parsed as 1960 which is not a valid UNIX time and will cause many
applications to fail mysteriously. So we use 1972 instead to fix this
issue.

Updated patch which adds a sanity check suggested by Mathias

This isn't a change in behaviour for systems, because 1972 is the one we
actually use. It's the old version in upstream which is out of sync with
all devices.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/platform/mrst/vrtc.c |  4 ++--
 drivers/rtc/rtc-mrst.c        | 19 +++++++++++--------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c
index a8ac6f1eb66d..225bd0f0f675 100644
--- a/arch/x86/platform/mrst/vrtc.c
+++ b/arch/x86/platform/mrst/vrtc.c
@@ -76,8 +76,8 @@ unsigned long vrtc_get_time(void)
 
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
-	/* vRTC YEAR reg contains the offset to 1960 */
-	year += 1960;
+	/* vRTC YEAR reg contains the offset to 1972 */
+	year += 1972;
 
 	printk(KERN_INFO "vRTC: sec: %d min: %d hour: %d day: %d "
 		"mon: %d year: %d\n", sec, min, hour, mday, mon, year);
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index d33544802a2e..bb21f443fb70 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -76,12 +76,15 @@ static inline unsigned char vrtc_is_updating(void)
 /*
  * rtc_time's year contains the increment over 1900, but vRTC's YEAR
  * register can't be programmed to value larger than 0x64, so vRTC
- * driver chose to use 1960 (1970 is UNIX time start point) as the base,
+ * driver chose to use 1972 (1970 is UNIX time start point) as the base,
  * and does the translation at read/write time.
  *
- * Why not just use 1970 as the offset? it's because using 1960 will
+ * Why not just use 1970 as the offset? it's because using 1972 will
  * make it consistent in leap year setting for both vrtc and low-level
- * physical rtc devices.
+ * physical rtc devices. Then why not use 1960 as the offset? If we use
+ * 1960, for a device's first use, its YEAR register is 0 and the system
+ * year will be parsed as 1960 which is not a valid UNIX time and will
+ * cause many applications to fail mysteriously.
  */
 static int mrst_read_time(struct device *dev, struct rtc_time *time)
 {
@@ -99,10 +102,10 @@ static int mrst_read_time(struct device *dev, struct rtc_time *time)
 	time->tm_year = vrtc_cmos_read(RTC_YEAR);
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
-	/* Adjust for the 1960/1900 */
-	time->tm_year += 60;
+	/* Adjust for the 1972/1900 */
+	time->tm_year += 72;
 	time->tm_mon--;
-	return RTC_24H;
+	return rtc_valid_tm(time);
 }
 
 static int mrst_set_time(struct device *dev, struct rtc_time *time)
@@ -119,9 +122,9 @@ static int mrst_set_time(struct device *dev, struct rtc_time *time)
 	min = time->tm_min;
 	sec = time->tm_sec;
 
-	if (yrs < 70 || yrs > 138)
+	if (yrs < 72 || yrs > 138)
 		return -EINVAL;
-	yrs -= 60;
+	yrs -= 72;
 
 	spin_lock_irqsave(&rtc_lock, flags);
 
-- 
GitLab


From 9f80d8b68fb244bbd69c55aced663b91098544fc Mon Sep 17 00:00:00 2001
From: William Douglas <william.douglas@intel.com>
Date: Thu, 10 Nov 2011 13:50:38 +0000
Subject: [PATCH 0439/1594] bma023: Add SFI translation for this device

This needed the sfi IRQ 0xFF fix to go in first. It simply plumbs in the
bma023 driver with the firmware naming of it.

Signed-off-by: William Douglas <william.douglas@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/platform/mrst/mrst.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 6ed7afdaf4af..541020df0da6 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -608,6 +608,7 @@ static void *msic_ocd_platform_data(void *info)
 }
 
 static const struct devs_id __initconst device_ids[] = {
+	{"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data},
 	{"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data},
 	{"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data},
 	{"i2c_max7315", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
-- 
GitLab


From eb0b38a5d2c063cd8dc9e44415ce08e30d95f571 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Fri, 4 Nov 2011 20:04:41 +0800
Subject: [PATCH 0440/1594] [CPUFREQ] db8500: fix build error due to undeclared
 i variable

The variable i is removed by commit ded8433
"[CPUFREQ] db8500: remove unneeded for loop iteration over freq_table",
but current code to print available frequencies still uses the i variable.
Thus add the i variable back to fix below buld error:

  CC      drivers/cpufreq/db8500-cpufreq.o
drivers/cpufreq/db8500-cpufreq.c: In function 'db8500_cpufreq_init':
drivers/cpufreq/db8500-cpufreq.c:123: error: 'i' undeclared (first use in this function)
drivers/cpufreq/db8500-cpufreq.c:123: error: (Each undeclared identifier is reported only once
drivers/cpufreq/db8500-cpufreq.c:123: error: for each function it appears in.)
make[2]: *** [drivers/cpufreq/db8500-cpufreq.o] Error 1
make[1]: *** [drivers/cpufreq] Error 2
make: *** [drivers] Error 2

This patch also fixes using uninitialized i variable as array index.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dave Jones <davej@redhat.com>
---
 drivers/cpufreq/db8500-cpufreq.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c
index edaa987621ea..f5002015d82e 100644
--- a/drivers/cpufreq/db8500-cpufreq.c
+++ b/drivers/cpufreq/db8500-cpufreq.c
@@ -109,7 +109,7 @@ static unsigned int db8500_cpufreq_getspeed(unsigned int cpu)
 
 static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
 {
-	int res;
+	int i, res;
 
 	BUILD_BUG_ON(ARRAY_SIZE(idx2opp) + 1 != ARRAY_SIZE(freq_table));
 
@@ -120,8 +120,8 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
 			freq_table[3].frequency = 1000000;
 	}
 	pr_info("db8500-cpufreq : Available frequencies:\n");
-	while (freq_table[i].frequency != CPUFREQ_TABLE_END)
-		pr_info("  %d Mhz\n", freq_table[i++].frequency/1000);
+	for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++)
+		pr_info("  %d Mhz\n", freq_table[i].frequency/1000);
 
 	/* get policy fields based on the table */
 	res = cpufreq_frequency_table_cpuinfo(policy, freq_table);
-- 
GitLab


From e7c86c7b264c57b4d6d121c48ce3be98a2e6f8c5 Mon Sep 17 00:00:00 2001
From: Olof Johansson <olof@lixom.net>
Date: Wed, 9 Nov 2011 22:10:00 +0100
Subject: [PATCH 0441/1594] ARM: 7156/1: l2x0: fix compile error on
 !CONFIG_USE_OF

fae2b89ab1 (ARM: l2x0: add empty l2x0_of_init) adds a static inline
function that returns -ENODEV, but at least on tegra cache-l2x0.h is
included without errno.h being pulled in first, resulting in compile
errors if OF isn't enabled:

In file included from arch/arm/mach-tegra/common.c:26:
arch/arm/include/asm/hardware/cache-l2x0.h: In function 'l2x0_of_init':
arch/arm/include/asm/hardware/cache-l2x0.h:110: error: 'ENODEV' undeclared (first use in this function)
arch/arm/include/asm/hardware/cache-l2x0.h:110: error: (Each undeclared identifier is reported only once
arch/arm/include/asm/hardware/cache-l2x0.h:110: error: for each function it appears in.)

Add errno.h to the include file to make it self-contained.

Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/include/asm/hardware/cache-l2x0.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 1db1143a9483..7df239bcdf27 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -20,6 +20,8 @@
 #ifndef __ASM_ARM_HARDWARE_L2X0_H
 #define __ASM_ARM_HARDWARE_L2X0_H
 
+#include <linux/errno.h>
+
 #define L2X0_CACHE_ID			0x000
 #define L2X0_CACHE_TYPE			0x004
 #define L2X0_CTRL			0x100
-- 
GitLab


From a6dc54460e5405248773abef704c7980ab31af77 Mon Sep 17 00:00:00 2001
From: wanzongshun <mcuos.com@gmail.com>
Date: Thu, 10 Nov 2011 07:05:41 +0100
Subject: [PATCH 0442/1594] ARM: 7157/1: fix a building WARNING for nuc900

This patch is to fix a WARNING which is the "modpost: Found 1 section
mismatch(es)" for nuc900 platform.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-w90x900/dev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index 7a1fa6adb7c3..5b0c38abacc1 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -422,7 +422,7 @@ struct platform_device nuc900_device_kpi = {
 
 /* LCD controller*/
 
-static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
+static struct nuc900fb_display nuc900_lcd_info[] = {
 	/* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
 	[0] = {
 		.type		= LCM_DCCS_VA_SRC_RGB565,
@@ -445,7 +445,7 @@ static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
 	},
 };
 
-static struct nuc900fb_mach_info nuc900_fb_info __initdata = {
+static struct nuc900fb_mach_info nuc900_fb_info = {
 #if defined(CONFIG_GPM1040A0_320X240)
 	.displays		= &nuc900_lcd_info[0],
 #else
-- 
GitLab


From 798681bf2127e60f16e9decc5e3a0b901f3ff3fe Mon Sep 17 00:00:00 2001
From: wanzongshun <mcuos.com@gmail.com>
Date: Thu, 10 Nov 2011 07:06:29 +0100
Subject: [PATCH 0443/1594] ARM: 7158/1: add new MFP implement for NUC900

This patch is to add new MFP implement in mfp.c,since nuc900 mmc driver
needs this function support.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-w90x900/include/mach/mfp.h      |  3 +-
 .../mach-w90x900/include/mach/nuc900_spi.h    |  2 +-
 arch/arm/mach-w90x900/mfp.c                   | 48 ++++++++++++++++---
 3 files changed, 45 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h
index 94c0e71617c6..23ef1f573abd 100644
--- a/arch/arm/mach-w90x900/include/mach/mfp.h
+++ b/arch/arm/mach-w90x900/include/mach/mfp.h
@@ -19,6 +19,7 @@
 extern void mfp_set_groupf(struct device *dev);
 extern void mfp_set_groupc(struct device *dev);
 extern void mfp_set_groupi(struct device *dev);
-extern void mfp_set_groupg(struct device *dev);
+extern void mfp_set_groupg(struct device *dev, const char *subname);
+extern void mfp_set_groupd(struct device *dev, const char *subname);
 
 #endif /* __ASM_ARCH_MFP_H */
diff --git a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
index bd94819e314f..2c4e0c128501 100644
--- a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
+++ b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
@@ -14,7 +14,7 @@
 #ifndef __ASM_ARCH_SPI_H
 #define __ASM_ARCH_SPI_H
 
-extern void mfp_set_groupg(struct device *dev);
+extern void mfp_set_groupg(struct device *dev, const char *subname);
 
 struct nuc900_spi_info {
 	unsigned int num_cs;
diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c
index fb7fb627b1a5..9dd74612bb87 100644
--- a/arch/arm/mach-w90x900/mfp.c
+++ b/arch/arm/mach-w90x900/mfp.c
@@ -26,10 +26,8 @@
 #define REG_MFSEL	(W90X900_VA_GCR + 0xC)
 
 #define GPSELF		(0x01 << 1)
-
 #define GPSELC		(0x03 << 2)
-#define ENKPI		(0x02 << 2)
-#define ENNAND		(0x01 << 2)
+#define GPSELD		(0x0f << 4)
 
 #define GPSELEI0	(0x01 << 26)
 #define GPSELEI1	(0x01 << 27)
@@ -37,11 +35,16 @@
 #define GPIOG0TO1	(0x03 << 14)
 #define GPIOG2TO3	(0x03 << 16)
 #define GPIOG22TO23	(0x03 << 22)
+#define GPIOG18TO20	(0x07 << 18)
 
 #define ENSPI		(0x0a << 14)
 #define ENI2C0		(0x01 << 14)
 #define ENI2C1		(0x01 << 16)
 #define ENAC97		(0x02 << 22)
+#define ENSD1		(0x02 << 18)
+#define ENSD0		(0x0a << 4)
+#define ENKPI		(0x02 << 2)
+#define ENNAND		(0x01 << 2)
 
 static DEFINE_MUTEX(mfp_mutex);
 
@@ -127,16 +130,19 @@ void mfp_set_groupi(struct device *dev)
 }
 EXPORT_SYMBOL(mfp_set_groupi);
 
-void mfp_set_groupg(struct device *dev)
+void mfp_set_groupg(struct device *dev, const char *subname)
 {
 	unsigned long mfpen;
 	const char *dev_id;
 
-	BUG_ON(!dev);
+	BUG_ON((!dev) && (!subname));
 
 	mutex_lock(&mfp_mutex);
 
-	dev_id = dev_name(dev);
+	if (subname != NULL)
+		dev_id = subname;
+	else
+		dev_id = dev_name(dev);
 
 	mfpen = __raw_readl(REG_MFSEL);
 
@@ -152,6 +158,9 @@ void mfp_set_groupg(struct device *dev)
 	} else if (strcmp(dev_id, "nuc900-audio") == 0) {
 		mfpen &= ~(GPIOG22TO23);
 		mfpen |= ENAC97;/*enable AC97*/
+	} else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) {
+		mfpen &= ~(GPIOG18TO20);
+		mfpen |= (ENSD1 | 0x01);/*enable sd1*/
 	} else {
 		mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
 	}
@@ -162,3 +171,30 @@ void mfp_set_groupg(struct device *dev)
 }
 EXPORT_SYMBOL(mfp_set_groupg);
 
+void mfp_set_groupd(struct device *dev, const char *subname)
+{
+	unsigned long mfpen;
+	const char *dev_id;
+
+	BUG_ON((!dev) && (!subname));
+
+	mutex_lock(&mfp_mutex);
+
+	if (subname != NULL)
+		dev_id = subname;
+	else
+		dev_id = dev_name(dev);
+
+	mfpen = __raw_readl(REG_MFSEL);
+
+	if (strcmp(dev_id, "nuc900-mmc-port0") == 0) {
+		mfpen &= ~GPSELD;/*enable sd0*/
+		mfpen |= ENSD0;
+	} else
+		mfpen &= (~GPSELD);
+
+	__raw_writel(mfpen, REG_MFSEL);
+
+	mutex_unlock(&mfp_mutex);
+}
+EXPORT_SYMBOL(mfp_set_groupd);
-- 
GitLab


From a34dbfb03f472ad3e063d3b1d1e88f7ef8f88bf1 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Fri, 11 Nov 2011 11:35:58 +0100
Subject: [PATCH 0444/1594] ARM: 7160/1: setup: avoid overflowing
 {elf,arch}_name from proc_info_list

setup_processor copies the arch_name and elf_name fields out of the
selected proc_info_list into two fixed size buffers.

Since the proc_info_list structure is defined in a proc_*.S assembly
file, this can lead to subtle errors if the strings defined there are
too long (for example, corrupting the machine ID).

This patch uses snprintf instead of sprintf to ensure that these buffers
are not overrun.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/setup.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 7e7977ab994f..3448a3f9cc8c 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -461,8 +461,10 @@ static void __init setup_processor(void)
 	       cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
 	       proc_arch[cpu_architecture()], cr_alignment);
 
-	sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS);
-	sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);
+	snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
+		 list->arch_name, ENDIANNESS);
+	snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
+		 list->elf_name, ENDIANNESS);
 	elf_hwcap = list->elf_hwcap;
 #ifndef CONFIG_ARM_THUMB
 	elf_hwcap &= ~HWCAP_THUMB;
-- 
GitLab


From a7c36fd8c5ee6dcca584137cb81aeefd785a0721 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Sat, 12 Nov 2011 11:57:29 -0500
Subject: [PATCH 0445/1594] drm/radeon/kms/combios: fix dynamic allocation of
 PM clock modes

I missed the combios path when I updated the atombios pm code.

Reported by amarsh04 on IRC.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_combios.c | 27 +++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 8bf83c4b4147..81fc100be7e1 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2563,14 +2563,17 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
 
 	/* allocate 2 power states */
 	rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
-	if (!rdev->pm.power_state) {
-		rdev->pm.default_power_state_index = state_index;
-		rdev->pm.num_power_states = 0;
-
-		rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
-		rdev->pm.current_clock_mode_index = 0;
-		return;
-	}
+	if (rdev->pm.power_state) {
+		/* allocate 1 clock mode per state */
+		rdev->pm.power_state[0].clock_info =
+			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+		rdev->pm.power_state[1].clock_info =
+			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+		if (!rdev->pm.power_state[0].clock_info ||
+		    !rdev->pm.power_state[1].clock_info)
+			goto pm_failed;
+	} else
+		goto pm_failed;
 
 	/* check for a thermal chip */
 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
@@ -2733,6 +2736,14 @@ default_mode:
 	rdev->pm.default_power_state_index = state_index;
 	rdev->pm.num_power_states = state_index + 1;
 
+	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
+	rdev->pm.current_clock_mode_index = 0;
+	return;
+
+pm_failed:
+	rdev->pm.default_power_state_index = state_index;
+	rdev->pm.num_power_states = 0;
+
 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
 	rdev->pm.current_clock_mode_index = 0;
 }
-- 
GitLab


From 4b90a603a1b21d63cf743cc833680cb195a729f6 Mon Sep 17 00:00:00 2001
From: Nick Bowler <nbowler@elliptictech.com>
Date: Thu, 10 Nov 2011 09:01:27 +0000
Subject: [PATCH 0446/1594] ah: Don't return NET_XMIT_DROP on input.

When the ahash driver returns -EBUSY, AH4/6 input functions return
NET_XMIT_DROP, presumably copied from the output code path.  But
returning transmit codes on input doesn't make a lot of sense.
Since NET_XMIT_DROP is a positive int, this gets interpreted as
the next header type (i.e., success).  As that can only end badly,
remove the check.

Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ah4.c | 2 --
 net/ipv6/ah6.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index c7056b2e831f..36d14406261e 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -369,8 +369,6 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 		if (err == -EINPROGRESS)
 			goto out;
 
-		if (err == -EBUSY)
-			err = NET_XMIT_DROP;
 		goto out_free;
 	}
 
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 7a33aaa00227..4c0f894d0843 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -581,8 +581,6 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 		if (err == -EINPROGRESS)
 			goto out;
 
-		if (err == -EBUSY)
-			err = NET_XMIT_DROP;
 		goto out_free;
 	}
 
-- 
GitLab


From 3439a8da16bcad6b0982ece938c9f8299bb53584 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Sat, 12 Nov 2011 23:17:27 +0100
Subject: [PATCH 0447/1594] ACPI / cpuidle: Remove acpi_idle_suspend (to fix
 suspend regression)

After commit e978aa7d7d57 ("cpuidle: Move dev->last_residency update to
driver enter routine; remove dev->last_state") setting acpi_idle_suspend
to 1 by acpi_processor_suspend() causes the ACPI cpuidle routines to
return error codes continuously, which in turn causes cpuidle to lock up
(hard).

However, acpi_idle_suspend doesn't appear to be useful for any
particular purpose (it's racy and doesn't really provide any real
protection), so it can be removed, which makes the problem go away.

Reported-and-tested-by: Tomas M. <tmezzadra@gmail.com>
Reported-and-tested-by: Ferenc Wagner <wferi@niif.hu>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/acpi/processor_idle.c | 29 -----------------------------
 1 file changed, 29 deletions(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 73b2909dddfe..0e8e2de2ed3e 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -224,7 +224,6 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
 /*
  * Suspend / resume control
  */
-static int acpi_idle_suspend;
 static u32 saved_bm_rld;
 
 static void acpi_idle_bm_rld_save(void)
@@ -243,21 +242,13 @@ static void acpi_idle_bm_rld_restore(void)
 
 int acpi_processor_suspend(struct acpi_device * device, pm_message_t state)
 {
-	if (acpi_idle_suspend == 1)
-		return 0;
-
 	acpi_idle_bm_rld_save();
-	acpi_idle_suspend = 1;
 	return 0;
 }
 
 int acpi_processor_resume(struct acpi_device * device)
 {
-	if (acpi_idle_suspend == 0)
-		return 0;
-
 	acpi_idle_bm_rld_restore();
-	acpi_idle_suspend = 0;
 	return 0;
 }
 
@@ -763,13 +754,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 
 	local_irq_disable();
 
-	/* Do not access any ACPI IO ports in suspend path */
-	if (acpi_idle_suspend) {
-		local_irq_enable();
-		cpu_relax();
-		return -EINVAL;
-	}
-
 	lapic_timer_state_broadcast(pr, cx, 1);
 	kt1 = ktime_get_real();
 	acpi_idle_do_entry(cx);
@@ -810,13 +794,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 
 	local_irq_disable();
 
-	if (acpi_idle_suspend) {
-		local_irq_enable();
-		cpu_relax();
-		return -EINVAL;
-	}
-
-
 	if (cx->entry_method != ACPI_CSTATE_FFH) {
 		current_thread_info()->status &= ~TS_POLLING;
 		/*
@@ -895,12 +872,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	if (unlikely(!pr))
 		return -EINVAL;
 
-
-	if (acpi_idle_suspend) {
-		cpu_relax();
-		return -EINVAL;
-	}
-
 	if (!cx->bm_sts_skip && acpi_idle_bm_check()) {
 		if (drv->safe_state_index >= 0) {
 			return drv->states[drv->safe_state_index].enter(dev,
-- 
GitLab


From 6b76106d8ef31111d6fc469564b83b5f5542794f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sun, 13 Nov 2011 19:58:09 +0100
Subject: [PATCH 0448/1594] block: Always check length of all iov entries in
 blk_rq_map_user_iov()

Even after commit 5478755616ae2ef1ce144dded589b62b2a50d575
("block: check for proper length of iov entries earlier ...")
we still won't check for zero-length entries after an unaligned
entry.  Remove the break-statement, so all entries are checked.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/blk-map.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/block/blk-map.c b/block/blk-map.c
index e663ac2d8e68..164cd0059706 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -204,10 +204,11 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
 		if (!iov[i].iov_len)
 			return -EINVAL;
 
-		if (uaddr & queue_dma_alignment(q)) {
+		/*
+		 * Keep going so we check length of all segments
+		 */
+		if (uaddr & queue_dma_alignment(q))
 			unaligned = 1;
-			break;
-		}
 	}
 
 	if (unaligned || (q->dma_pad_mask & len) || map_data)
-- 
GitLab


From 72103bd1285211440621f2c46f4fce377584de54 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Mon, 7 Nov 2011 18:37:05 +0200
Subject: [PATCH 0449/1594] virtio-pci: fix use after free

Commit 31a3ddda166cda86d2b5111e09ba4bda5239fae6 introduced
a use after free in virtio-pci. The main issue is
that the release method signals removal of the virtio device,
while remove signals removal of the pci device.

For example, on driver removal or hot-unplug,
virtio_pci_release_dev is called before virtio_pci_remove.
We then might get a crash as virtio_pci_remove tries to use the
device freed by virtio_pci_release_dev.

We allocate/free all resources together with the
pci device, so we can leave the release method empty.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
---
 drivers/virtio/virtio_pci.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 79a31e5b4b68..3d1bf41e8892 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -594,11 +594,11 @@ static struct virtio_config_ops virtio_pci_config_ops = {
 
 static void virtio_pci_release_dev(struct device *_d)
 {
-	struct virtio_device *dev = container_of(_d, struct virtio_device,
-						 dev);
-	struct virtio_pci_device *vp_dev = to_vp_device(dev);
-
-	kfree(vp_dev);
+	/*
+	 * No need for a release method as we allocate/free
+	 * all devices together with the pci devices.
+	 * Provide an empty one to avoid getting a warning from core.
+	 */
 }
 
 /* the PCI probing function */
@@ -686,6 +686,7 @@ static void __devexit virtio_pci_remove(struct pci_dev *pci_dev)
 	pci_iounmap(pci_dev, vp_dev->ioaddr);
 	pci_release_regions(pci_dev);
 	pci_disable_device(pci_dev);
+	kfree(vp_dev);
 }
 
 #ifdef CONFIG_PM
-- 
GitLab


From 9ff03b392fa34f6d549fbb56bf05d8a0483aa818 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sun, 13 Nov 2011 07:20:04 +0000
Subject: [PATCH 0450/1594] sparc: sigutil: Include <linux/errno.h>

This file introduced in 2.6.32.47 currently fails to compile:

arch/sparc/kernel/sigutil_64.c: In function 'save_fpu_state':
arch/sparc/kernel/sigutil_64.c:25: error: 'EFAULT' undeclared (first use in this function)

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/sigutil_64.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c
index e7dc508c38eb..b19570d41a39 100644
--- a/arch/sparc/kernel/sigutil_64.c
+++ b/arch/sparc/kernel/sigutil_64.c
@@ -2,6 +2,7 @@
 #include <linux/types.h>
 #include <linux/thread_info.h>
 #include <linux/uaccess.h>
+#include <linux/errno.h>
 
 #include <asm/sigcontext.h>
 #include <asm/fpumacro.h>
-- 
GitLab


From 3ed90f766dab55fc9d49638a02704becaec379ae Mon Sep 17 00:00:00 2001
From: Jesper Juhl <jj@chaosbits.net>
Date: Mon, 14 Nov 2011 00:09:21 -0500
Subject: [PATCH 0451/1594] net/packet: remove dead code and unneeded variable
 from prb_setup_retire_blk_timer()

We test for 'tx_ring' being != zero and BUG() if that's the case. So after
that check there is no way that 'tx_ring' could be anything _but_ zero, so
testing it again is just dead code. Once that dead code is removed, the
'pkc' local variable becomes entirely redundant, so remove that as well.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/packet/af_packet.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 82a6f34d39d0..ab10e84eda3a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -516,13 +516,11 @@ static void prb_init_blk_timer(struct packet_sock *po,
 
 static void prb_setup_retire_blk_timer(struct packet_sock *po, int tx_ring)
 {
-	struct tpacket_kbdq_core *pkc;
-
 	if (tx_ring)
 		BUG();
 
-	pkc = tx_ring ? &po->tx_ring.prb_bdqc : &po->rx_ring.prb_bdqc;
-	prb_init_blk_timer(po, pkc, prb_retire_rx_blk_timer_expired);
+	prb_init_blk_timer(po, &po->rx_ring.prb_bdqc,
+			   prb_retire_rx_blk_timer_expired);
 }
 
 static int prb_calc_retire_blk_tmo(struct packet_sock *po,
-- 
GitLab


From 77c1c7c4bd4751dbf47cdacd0e73e67f0a1ed316 Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Sun, 13 Nov 2011 03:36:37 +0000
Subject: [PATCH 0452/1594] rds: drop "select LLIST"

Commit 1bc144b625 ("net, rds, Replace xlist in net/rds/xlist.h with
llist") added "select LLIST" to the RDS_RDMA Kconfig entry. But there is
no Kconfig symbol named LLIST. The select statement for that symbol is a
nop. Drop it.

lib/llist.o is builtin, so all that's needed to use the llist
functionality is to include linux/llist.h, which this commit also did.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/rds/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/rds/Kconfig b/net/rds/Kconfig
index 4cf6dc7910e4..ec753b3ae72a 100644
--- a/net/rds/Kconfig
+++ b/net/rds/Kconfig
@@ -9,7 +9,6 @@ config RDS
 
 config RDS_RDMA
 	tristate "RDS over Infiniband and iWARP"
-	select LLIST
 	depends on RDS && INFINIBAND && INFINIBAND_ADDR_TRANS
 	---help---
 	  Allow RDS to use Infiniband and iWARP as a transport.
-- 
GitLab


From 898bdf2cb43eb0a962c397eb4dd1aec2c7211be2 Mon Sep 17 00:00:00 2001
From: david decotigny <david.decotigny@google.com>
Date: Fri, 11 Nov 2011 16:27:34 +0000
Subject: [PATCH 0453/1594] forcedeth: fix stats on hardware without extended
 stats support

This change makes sure that tx_packets/rx_bytes ifconfig counters are
updated even on NICs that don't provide hardware support for these
stats: they are now updated in software. For the sake of consistency,
we also now have tx_bytes updated in software (hardware counters
include ethernet CRC, and software doesn't account for it).

This reverts parts of:
 - "forcedeth: statistics optimization" (21828163b2)
 - "forcedeth: Improve stats counters" (0bdfea8ba8)
 - "forcedeth: remove unneeded stats updates" (4687f3f364)

Tested:
  pktgen + loopback (http://patchwork.ozlabs.org/patch/124698/)
  reports identical tx_packets/rx_packets and tx_bytes/rx_bytes.

Signed-off-by: David Decotigny <david.decotigny@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/nvidia/forcedeth.c | 36 ++++++++++++++++++-------
 1 file changed, 27 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 1dca57013cb2..1c61d36e6570 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -609,7 +609,7 @@ struct nv_ethtool_str {
 };
 
 static const struct nv_ethtool_str nv_estats_str[] = {
-	{ "tx_bytes" },
+	{ "tx_bytes" }, /* includes Ethernet FCS CRC */
 	{ "tx_zero_rexmt" },
 	{ "tx_one_rexmt" },
 	{ "tx_many_rexmt" },
@@ -637,7 +637,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
 	/* version 2 stats */
 	{ "tx_deferral" },
 	{ "tx_packets" },
-	{ "rx_bytes" },
+	{ "rx_bytes" }, /* includes Ethernet FCS CRC */
 	{ "tx_pause" },
 	{ "rx_pause" },
 	{ "rx_drop_frame" },
@@ -649,7 +649,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
 };
 
 struct nv_ethtool_stats {
-	u64 tx_bytes;
+	u64 tx_bytes; /* should be ifconfig->tx_bytes + 4*tx_packets */
 	u64 tx_zero_rexmt;
 	u64 tx_one_rexmt;
 	u64 tx_many_rexmt;
@@ -670,14 +670,14 @@ struct nv_ethtool_stats {
 	u64 rx_unicast;
 	u64 rx_multicast;
 	u64 rx_broadcast;
-	u64 rx_packets;
+	u64 rx_packets; /* should be ifconfig->rx_packets */
 	u64 rx_errors_total;
 	u64 tx_errors_total;
 
 	/* version 2 stats */
 	u64 tx_deferral;
-	u64 tx_packets;
-	u64 rx_bytes;
+	u64 tx_packets; /* should be ifconfig->tx_packets */
+	u64 rx_bytes;   /* should be ifconfig->rx_bytes + 4*rx_packets */
 	u64 tx_pause;
 	u64 rx_pause;
 	u64 rx_drop_frame;
@@ -1706,10 +1706,17 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev)
 	if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_STATISTICS_V3)) {
 		nv_get_hw_stats(dev);
 
+		/*
+		 * Note: because HW stats are not always available and
+		 * for consistency reasons, the following ifconfig
+		 * stats are managed by software: rx_bytes, tx_bytes,
+		 * rx_packets and tx_packets. The related hardware
+		 * stats reported by ethtool should be equivalent to
+		 * these ifconfig stats, with 4 additional bytes per
+		 * packet (Ethernet FCS CRC).
+		 */
+
 		/* copy to net_device stats */
-		dev->stats.tx_packets = np->estats.tx_packets;
-		dev->stats.rx_bytes = np->estats.rx_bytes;
-		dev->stats.tx_bytes = np->estats.tx_bytes;
 		dev->stats.tx_fifo_errors = np->estats.tx_fifo_errors;
 		dev->stats.tx_carrier_errors = np->estats.tx_carrier_errors;
 		dev->stats.rx_crc_errors = np->estats.rx_crc_errors;
@@ -2380,6 +2387,9 @@ static int nv_tx_done(struct net_device *dev, int limit)
 				if (flags & NV_TX_ERROR) {
 					if ((flags & NV_TX_RETRYERROR) && !(flags & NV_TX_RETRYCOUNT_MASK))
 						nv_legacybackoff_reseed(dev);
+				} else {
+					dev->stats.tx_packets++;
+					dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
 				}
 				dev_kfree_skb_any(np->get_tx_ctx->skb);
 				np->get_tx_ctx->skb = NULL;
@@ -2390,6 +2400,9 @@ static int nv_tx_done(struct net_device *dev, int limit)
 				if (flags & NV_TX2_ERROR) {
 					if ((flags & NV_TX2_RETRYERROR) && !(flags & NV_TX2_RETRYCOUNT_MASK))
 						nv_legacybackoff_reseed(dev);
+				} else {
+					dev->stats.tx_packets++;
+					dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
 				}
 				dev_kfree_skb_any(np->get_tx_ctx->skb);
 				np->get_tx_ctx->skb = NULL;
@@ -2429,6 +2442,9 @@ static int nv_tx_done_optimized(struct net_device *dev, int limit)
 					else
 						nv_legacybackoff_reseed(dev);
 				}
+			} else {
+				dev->stats.tx_packets++;
+				dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
 			}
 
 			dev_kfree_skb_any(np->get_tx_ctx->skb);
@@ -2678,6 +2694,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
 		skb->protocol = eth_type_trans(skb, dev);
 		napi_gro_receive(&np->napi, skb);
 		dev->stats.rx_packets++;
+		dev->stats.rx_bytes += len;
 next_pkt:
 		if (unlikely(np->get_rx.orig++ == np->last_rx.orig))
 			np->get_rx.orig = np->first_rx.orig;
@@ -2761,6 +2778,7 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
 			}
 			napi_gro_receive(&np->napi, skb);
 			dev->stats.rx_packets++;
+			dev->stats.rx_bytes += len;
 		} else {
 			dev_kfree_skb(skb);
 		}
-- 
GitLab


From 731abb9cb27aef6013ce60808a04e04a545f3f4e Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@redhat.com>
Date: Thu, 10 Nov 2011 15:10:23 +0000
Subject: [PATCH 0454/1594] ip6_tunnel: copy parms.name after
 register_netdevice

Commit 1c5cae815d removed an explicit call to dev_alloc_name in ip6_tnl_create
because register_netdevice will now create a valid name.  This works for the
net_device itself.

However the tunnel keeps a copy of the name in the parms structure for the
ip6_tnl associated with the tunnel.  parms.name is set by copying the net_device
name in ip6_tnl_dev_init_gen.  That function is called from ip6_tnl_dev_init in
ip6_tnl_create, but it is done before register_netdevice is called so the name
is set to a bogus value in the parms.name structure.

This shows up if you do a simple tunnel add, followed by a tunnel show:

[root@localhost ~]# ip -6 tunnel add remote fec0::100 local fec0::200
[root@localhost ~]# ip -6 tunnel show
ip6tnl0: ipv6/ipv6 remote :: local :: encaplimit 0 hoplimit 0 tclass 0x00 flowlabel 0x00000 (flowinfo 0x00000000)
ip6tnl%d: ipv6/ipv6 remote fec0::100 local fec0::200 encaplimit 4 hoplimit 64 tclass 0x00 flowlabel 0x00000 (flowinfo 0x00000000)
[root@localhost ~]#

Fix this by moving the strcpy out of ip6_tnl_dev_init_gen, and calling it after
register_netdevice has successfully returned.

Cc: stable@vger.kernel.org
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ip6_tunnel.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index bdc15c9003d7..4e2e9ff67ef2 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -289,6 +289,8 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p)
 	if ((err = register_netdevice(dev)) < 0)
 		goto failed_free;
 
+	strcpy(t->parms.name, dev->name);
+
 	dev_hold(dev);
 	ip6_tnl_link(ip6n, t);
 	return t;
@@ -1407,7 +1409,6 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
 	struct ip6_tnl *t = netdev_priv(dev);
 
 	t->dev = dev;
-	strcpy(t->parms.name, dev->name);
 	dev->tstats = alloc_percpu(struct pcpu_tstats);
 	if (!dev->tstats)
 		return -ENOMEM;
@@ -1487,6 +1488,7 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
 static int __net_init ip6_tnl_init_net(struct net *net)
 {
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
+	struct ip6_tnl *t = NULL;
 	int err;
 
 	ip6n->tnls[0] = ip6n->tnls_wc;
@@ -1507,6 +1509,10 @@ static int __net_init ip6_tnl_init_net(struct net *net)
 	err = register_netdev(ip6n->fb_tnl_dev);
 	if (err < 0)
 		goto err_register;
+
+	t = netdev_priv(ip6n->fb_tnl_dev);
+
+	strcpy(t->parms.name, ip6n->fb_tnl_dev->name);
 	return 0;
 
 err_register:
-- 
GitLab


From 22f4cb4bd06db14912f69039917422fe0c5b11fb Mon Sep 17 00:00:00 2001
From: Haojian Zhuang <haojian.zhuang@marvell.com>
Date: Wed, 9 Nov 2011 10:47:21 +0800
Subject: [PATCH 0455/1594] ARM: mmp: fix build error on gpio
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Parameters of GPIO_REG() should be assigned as volatile.

arch/arm/plat-pxa/include/plat/gpio.h: In function ‘gpio_get_value’:
arch/arm/plat-pxa/include/plat/gpio.h:12:21: error: invalid operands to
binary & (have ‘void *’ and ‘int’)
arch/arm/plat-pxa/include/plat/gpio.h: In function ‘gpio_set_value’:
arch/arm/plat-pxa/include/plat/gpio.h:21:4: error: lvalue required as
left operand of assignment
arch/arm/plat-pxa/include/plat/gpio.h:23:4: error: lvalue required as
left operand of assignment

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
---
 arch/arm/mach-mmp/include/mach/gpio-pxa.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-mmp/include/mach/gpio-pxa.h b/arch/arm/mach-mmp/include/mach/gpio-pxa.h
index d14eeaf16322..99b4ce1b6562 100644
--- a/arch/arm/mach-mmp/include/mach/gpio-pxa.h
+++ b/arch/arm/mach-mmp/include/mach/gpio-pxa.h
@@ -7,7 +7,7 @@
 #define GPIO_REGS_VIRT	(APB_VIRT_BASE + 0x19000)
 
 #define BANK_OFF(n)	(((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
-#define GPIO_REG(x)	(GPIO_REGS_VIRT + (x))
+#define GPIO_REG(x)	(*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
 
 #define NR_BUILTIN_GPIO		IRQ_GPIO_NUM
 
-- 
GitLab


From ef5e0d8237287db3a12d84f08fb2483d7a30a943 Mon Sep 17 00:00:00 2001
From: Andrey Vagin <avagin@openvz.org>
Date: Thu, 10 Nov 2011 05:48:03 +0000
Subject: [PATCH 0456/1594] bridge: Fix potential deadlock on
 br->multicast_lock

multicast_lock is taken in softirq context, so we should use
spin_lock_bh() in userspace.

call-chain in softirq context:
run_timer_softirq()
	br_multicast_query_expired()

call-chain in userspace:
sysfs_write_file()
	store_multicast_snooping()
		br_multicast_toggle()

Signed-off-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_multicast.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 995cbe0ac0b2..2eefe275b338 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1770,7 +1770,7 @@ int br_multicast_toggle(struct net_bridge *br, unsigned long val)
 	int err = 0;
 	struct net_bridge_mdb_htable *mdb;
 
-	spin_lock(&br->multicast_lock);
+	spin_lock_bh(&br->multicast_lock);
 	if (br->multicast_disabled == !val)
 		goto unlock;
 
@@ -1806,7 +1806,7 @@ rollback:
 	}
 
 unlock:
-	spin_unlock(&br->multicast_lock);
+	spin_unlock_bh(&br->multicast_lock);
 
 	return err;
 }
-- 
GitLab


From 3ac3546e5f17248d961ef0f4a27e75564bf71578 Mon Sep 17 00:00:00 2001
From: Robert Marklund <robert.marklund@stericsson.com>
Date: Tue, 25 Oct 2011 22:05:43 +0000
Subject: [PATCH 0457/1594] net/smsc911x: Always wait for the chip to be ready

Wait for the chip to be ready before any access to it. On the
Snowball platform we need to enable an external regulator before
the chip comes online, and then it happens that the device is
not yet ready at probe time, so let's wait for it.

Signed-off-by: Robert Marklund <robert.marklund@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/smsc/smsc911x.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index d2be42aafbef..8843071fe987 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1937,6 +1937,7 @@ static int __devinit smsc911x_init(struct net_device *dev)
 {
 	struct smsc911x_data *pdata = netdev_priv(dev);
 	unsigned int byte_test;
+	unsigned int to = 100;
 
 	SMSC_TRACE(pdata, probe, "Driver Parameters:");
 	SMSC_TRACE(pdata, probe, "LAN base: 0x%08lX",
@@ -1952,6 +1953,17 @@ static int __devinit smsc911x_init(struct net_device *dev)
 		return -ENODEV;
 	}
 
+	/*
+	 * poll the READY bit in PMT_CTRL. Any other access to the device is
+	 * forbidden while this bit isn't set. Try for 100ms
+	 */
+	while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to)
+		udelay(1000);
+	if (to == 0) {
+		pr_err("Device not READY in 100ms aborting\n");
+		return -ENODEV;
+	}
+
 	/* Check byte ordering */
 	byte_test = smsc911x_reg_read(pdata, BYTE_TEST);
 	SMSC_TRACE(pdata, probe, "BYTE_TEST: 0x%08X", byte_test);
-- 
GitLab


From 6d74eb9442fb113c97edc88a1c658462db711337 Mon Sep 17 00:00:00 2001
From: Mark Kamichoff <prox@prolixium.com>
Date: Wed, 9 Nov 2011 11:48:10 +0000
Subject: [PATCH 0458/1594] net/usb: Misc. fixes for the LG-VL600 LTE USB modem

Add checking for valid magic values (needed for stability in the event
corrupted packets are received) and remove some other unneeded checks.
Also, fix flagging device as WWAN (Bugzilla bug #39952).

Signed-off-by: Mark Kamichoff <prox@prolixium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/cdc_ether.c |  2 +-
 drivers/net/usb/lg-vl600.c  | 25 +++++++++++--------------
 2 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index c924ea2bce07..99ed6eb4dfaf 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -567,7 +567,7 @@ static const struct usb_device_id	products [] = {
 {
 	USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long)&wwan_info,
+	.driver_info = 0,
 },
 
 /*
diff --git a/drivers/net/usb/lg-vl600.c b/drivers/net/usb/lg-vl600.c
index d43db32f9478..9c26c6390d69 100644
--- a/drivers/net/usb/lg-vl600.c
+++ b/drivers/net/usb/lg-vl600.c
@@ -144,10 +144,11 @@ static int vl600_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 	}
 
 	frame = (struct vl600_frame_hdr *) buf->data;
-	/* NOTE: Should check that frame->magic == 0x53544448?
-	 * Otherwise if we receive garbage at the beginning of the frame
-	 * we may end up allocating a huge buffer and saving all the
-	 * future incoming data into it.  */
+	/* Yes, check that frame->magic == 0x53544448 (or 0x44544d48),
+	 * otherwise we may run out of memory w/a bad packet */
+	if (ntohl(frame->magic) != 0x53544448 &&
+			ntohl(frame->magic) != 0x44544d48)
+		goto error;
 
 	if (buf->len < sizeof(*frame) ||
 			buf->len != le32_to_cpup(&frame->len)) {
@@ -296,6 +297,11 @@ encapsulate:
 	 * overwrite the remaining fields.
 	 */
 	packet = (struct vl600_pkt_hdr *) skb->data;
+	/* The VL600 wants IPv6 packets to have an IPv4 ethertype
+	 * Since this modem only supports IPv4 and IPv6, just set all
+	 * frames to 0x0800 (ETH_P_IP)
+	 */
+	packet->h_proto = htons(ETH_P_IP);
 	memset(&packet->dummy, 0, sizeof(packet->dummy));
 	packet->len = cpu_to_le32(orig_len);
 
@@ -308,21 +314,12 @@ encapsulate:
 	if (skb->len < full_len) /* Pad */
 		skb_put(skb, full_len - skb->len);
 
-	/* The VL600 wants IPv6 packets to have an IPv4 ethertype
-	 * Check if this is an IPv6 packet, and set the ethertype
-	 * to 0x800
-	 */
-	if ((skb->data[sizeof(struct vl600_pkt_hdr *) + 0x22] & 0xf0) == 0x60) {
-		skb->data[sizeof(struct vl600_pkt_hdr *) + 0x20] = 0x08;
-		skb->data[sizeof(struct vl600_pkt_hdr *) + 0x21] = 0;
-	}
-
 	return skb;
 }
 
 static const struct driver_info	vl600_info = {
 	.description	= "LG VL600 modem",
-	.flags		= FLAG_ETHER | FLAG_RX_ASSEMBLE,
+	.flags		= FLAG_RX_ASSEMBLE | FLAG_WWAN,
 	.bind		= vl600_bind,
 	.unbind		= vl600_unbind,
 	.status		= usbnet_cdc_status,
-- 
GitLab


From 06236ac3726f15124839cf16a9e2730a852dad9b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20=C5=BBenczykowski?= <maze@google.com>
Date: Mon, 7 Nov 2011 14:23:11 +0000
Subject: [PATCH 0459/1594] net-netlink: Add a new attribute to expose TCLASS
 values via netlink
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit 3ceca749668a52bd795585e0f71c6f0b04814f7b added a TOS attribute.

Unfortunately TOS and TCLASS are both present in a dual-stack v6 socket,
furthermore they can have different values.  As such one cannot in a
sane way expose both through a single attribute.

Signed-off-by: Maciej Żenczyowski <maze@google.com>
CC: Murali Raja <muralira@google.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/inet_diag.h | 3 ++-
 net/ipv4/inet_diag.c      | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h
index 80b480c97532..abf5028db981 100644
--- a/include/linux/inet_diag.h
+++ b/include/linux/inet_diag.h
@@ -98,9 +98,10 @@ enum {
 	INET_DIAG_VEGASINFO,
 	INET_DIAG_CONG,
 	INET_DIAG_TOS,
+	INET_DIAG_TCLASS,
 };
 
-#define INET_DIAG_MAX INET_DIAG_TOS
+#define INET_DIAG_MAX INET_DIAG_TCLASS
 
 
 /* INET_DIAG_MEM */
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index f5e2bdaef949..68e8ac514383 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -133,8 +133,8 @@ static int inet_csk_diag_fill(struct sock *sk,
 			       &np->rcv_saddr);
 		ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
 			       &np->daddr);
-		if (ext & (1 << (INET_DIAG_TOS - 1)))
-			RTA_PUT_U8(skb, INET_DIAG_TOS, np->tclass);
+		if (ext & (1 << (INET_DIAG_TCLASS - 1)))
+			RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass);
 	}
 #endif
 
-- 
GitLab


From edb0a6408a84b4f14647770d8a6796afff3e93a9 Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Mon, 1 Aug 2011 17:53:21 +0800
Subject: [PATCH 0460/1594] Blackfin: add serial TX IRQ in individual platform
 resource

The serial TX IRQ is not simply (RX IRQ + 1) on some Blackfin chips,
so move the values to the platform resources.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
---
 arch/blackfin/include/asm/bfin_serial.h      |  2 ++
 arch/blackfin/mach-bf518/boards/ezbrd.c      | 14 ++++++++--
 arch/blackfin/mach-bf518/boards/tcm-bf518.c  | 14 ++++++++--
 arch/blackfin/mach-bf527/boards/ad7160eval.c | 14 ++++++++--
 arch/blackfin/mach-bf527/boards/cm_bf527.c   | 14 ++++++++--
 arch/blackfin/mach-bf527/boards/ezbrd.c      | 14 ++++++++--
 arch/blackfin/mach-bf527/boards/ezkit.c      | 14 ++++++++--
 arch/blackfin/mach-bf527/boards/tll6527m.c   | 14 ++++++++--
 arch/blackfin/mach-bf533/boards/H8606.c      |  7 ++++-
 arch/blackfin/mach-bf533/boards/blackstamp.c |  7 ++++-
 arch/blackfin/mach-bf533/boards/cm_bf533.c   |  7 ++++-
 arch/blackfin/mach-bf533/boards/ezkit.c      |  7 ++++-
 arch/blackfin/mach-bf533/boards/ip0x.c       |  7 ++++-
 arch/blackfin/mach-bf533/boards/stamp.c      |  7 ++++-
 arch/blackfin/mach-bf537/boards/cm_bf537e.c  | 14 ++++++++--
 arch/blackfin/mach-bf537/boards/cm_bf537u.c  | 14 ++++++++--
 arch/blackfin/mach-bf537/boards/dnp5370.c    | 14 ++++++++--
 arch/blackfin/mach-bf537/boards/minotaur.c   | 14 ++++++++--
 arch/blackfin/mach-bf537/boards/pnav10.c     | 14 ++++++++--
 arch/blackfin/mach-bf537/boards/stamp.c      | 14 ++++++++--
 arch/blackfin/mach-bf537/boards/tcm_bf537.c  | 14 ++++++++--
 arch/blackfin/mach-bf538/boards/ezkit.c      | 21 ++++++++++++---
 arch/blackfin/mach-bf548/boards/cm_bf548.c   | 28 +++++++++++++++++---
 arch/blackfin/mach-bf548/boards/ezkit.c      | 28 +++++++++++++++++---
 arch/blackfin/mach-bf561/boards/acvilon.c    |  7 ++++-
 arch/blackfin/mach-bf561/boards/cm_bf561.c   |  7 ++++-
 arch/blackfin/mach-bf561/boards/ezkit.c      |  7 ++++-
 arch/blackfin/mach-bf561/boards/tepla.c      |  7 ++++-
 28 files changed, 296 insertions(+), 49 deletions(-)

diff --git a/arch/blackfin/include/asm/bfin_serial.h b/arch/blackfin/include/asm/bfin_serial.h
index 7fd0ec7b5b0f..ecacdf34768b 100644
--- a/arch/blackfin/include/asm/bfin_serial.h
+++ b/arch/blackfin/include/asm/bfin_serial.h
@@ -32,6 +32,8 @@ struct work_struct;
 struct bfin_serial_port {
 	struct uart_port port;
 	unsigned int old_status;
+	int tx_irq;
+	int rx_irq;
 	int status_irq;
 #ifndef BFIN_UART_BF54X_STYLE
 	unsigned int lsr;
diff --git a/arch/blackfin/mach-bf518/boards/ezbrd.c b/arch/blackfin/mach-bf518/boards/ezbrd.c
index 1082e49f7a9f..d1c0c0cff3ef 100644
--- a/arch/blackfin/mach-bf518/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf518/boards/ezbrd.c
@@ -372,9 +372,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -415,9 +420,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf518/boards/tcm-bf518.c b/arch/blackfin/mach-bf518/boards/tcm-bf518.c
index 55c127908815..5470bf89e52e 100644
--- a/arch/blackfin/mach-bf518/boards/tcm-bf518.c
+++ b/arch/blackfin/mach-bf518/boards/tcm-bf518.c
@@ -308,9 +308,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -351,9 +356,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf527/boards/ad7160eval.c b/arch/blackfin/mach-bf527/boards/ad7160eval.c
index 8d65d476f118..5bc6938157ad 100644
--- a/arch/blackfin/mach-bf527/boards/ad7160eval.c
+++ b/arch/blackfin/mach-bf527/boards/ad7160eval.c
@@ -380,9 +380,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -423,9 +428,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c
index 6410fc1af8ed..c13065b895f2 100644
--- a/arch/blackfin/mach-bf527/boards/cm_bf527.c
+++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c
@@ -538,9 +538,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -581,9 +586,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c
index 64f7278aba53..2963c356c68b 100644
--- a/arch/blackfin/mach-bf527/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
@@ -416,9 +416,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -459,9 +464,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index e4c6a122b66c..3ecafff5d2ef 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -710,9 +710,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -753,9 +758,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf527/boards/tll6527m.c b/arch/blackfin/mach-bf527/boards/tll6527m.c
index 76dbc03a8d4d..3a92c4318d2d 100644
--- a/arch/blackfin/mach-bf527/boards/tll6527m.c
+++ b/arch/blackfin/mach-bf527/boards/tll6527m.c
@@ -495,9 +495,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -539,9 +544,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf533/boards/H8606.c b/arch/blackfin/mach-bf533/boards/H8606.c
index 5da5787fc4ef..47cadd316e76 100644
--- a/arch/blackfin/mach-bf533/boards/H8606.c
+++ b/arch/blackfin/mach-bf533/boards/H8606.c
@@ -237,9 +237,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX + 1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf533/boards/blackstamp.c b/arch/blackfin/mach-bf533/boards/blackstamp.c
index b0ec825fb4ec..18817d57c7a1 100644
--- a/arch/blackfin/mach-bf533/boards/blackstamp.c
+++ b/arch/blackfin/mach-bf533/boards/blackstamp.c
@@ -192,9 +192,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX + 1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf533/boards/cm_bf533.c b/arch/blackfin/mach-bf533/boards/cm_bf533.c
index 14f54a31e74c..2c8f30ef6a7b 100644
--- a/arch/blackfin/mach-bf533/boards/cm_bf533.c
+++ b/arch/blackfin/mach-bf533/boards/cm_bf533.c
@@ -220,9 +220,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX + 1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index ecd2801f050d..144556e14499 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -291,9 +291,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX + 1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf533/boards/ip0x.c b/arch/blackfin/mach-bf533/boards/ip0x.c
index fbee77fa9211..b597d4e50d58 100644
--- a/arch/blackfin/mach-bf533/boards/ip0x.c
+++ b/arch/blackfin/mach-bf533/boards/ip0x.c
@@ -150,9 +150,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX + 1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 964a8e5f79b4..2afd02e14bd1 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -297,9 +297,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX + 1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537e.c b/arch/blackfin/mach-bf537/boards/cm_bf537e.c
index 1471c51ea697..82e4cc31f11c 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537e.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537e.c
@@ -304,9 +304,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -365,9 +370,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537u.c b/arch/blackfin/mach-bf537/boards/cm_bf537u.c
index 47cf37de33ba..e9f1964916e0 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537u.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537u.c
@@ -305,9 +305,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -348,9 +353,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf537/boards/dnp5370.c b/arch/blackfin/mach-bf537/boards/dnp5370.c
index 33e69e427e98..5b225983e9e6 100644
--- a/arch/blackfin/mach-bf537/boards/dnp5370.c
+++ b/arch/blackfin/mach-bf537/boards/dnp5370.c
@@ -236,9 +236,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -280,9 +285,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end   = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end   = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end   = IRQ_UART1_RX+1,
+		.end   = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf537/boards/minotaur.c b/arch/blackfin/mach-bf537/boards/minotaur.c
index c62f9dccd9f7..3901dd093b90 100644
--- a/arch/blackfin/mach-bf537/boards/minotaur.c
+++ b/arch/blackfin/mach-bf537/boards/minotaur.c
@@ -239,9 +239,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -282,9 +287,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf537/boards/pnav10.c b/arch/blackfin/mach-bf537/boards/pnav10.c
index 3099e91114fc..1567dd875e52 100644
--- a/arch/blackfin/mach-bf537/boards/pnav10.c
+++ b/arch/blackfin/mach-bf537/boards/pnav10.c
@@ -308,9 +308,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -351,9 +356,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index 27f955db9976..bff551ab9260 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -1565,9 +1565,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -1620,9 +1625,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf537/boards/tcm_bf537.c b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
index 841803038d6f..e58c9bc8ebb4 100644
--- a/arch/blackfin/mach-bf537/boards/tcm_bf537.c
+++ b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
@@ -305,9 +305,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -348,9 +353,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf538/boards/ezkit.c b/arch/blackfin/mach-bf538/boards/ezkit.c
index 629f3c333415..8356eb599f19 100644
--- a/arch/blackfin/mach-bf538/boards/ezkit.c
+++ b/arch/blackfin/mach-bf538/boards/ezkit.c
@@ -48,9 +48,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -103,9 +108,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -146,9 +156,14 @@ static struct resource bfin_uart2_resources[] = {
 		.end = UART2_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART2_TX,
+		.end = IRQ_UART2_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART2_RX,
-		.end = IRQ_UART2_RX+1,
+		.end = IRQ_UART2_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c
index 212b9e0a08c8..0350eacec21b 100644
--- a/arch/blackfin/mach-bf548/boards/cm_bf548.c
+++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c
@@ -134,9 +134,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -177,9 +182,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -236,9 +246,14 @@ static struct resource bfin_uart2_resources[] = {
 		.end = UART2_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART2_TX,
+		.end = IRQ_UART2_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART2_RX,
-		.end = IRQ_UART2_RX+1,
+		.end = IRQ_UART2_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -279,9 +294,14 @@ static struct resource bfin_uart3_resources[] = {
 		.end = UART3_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART3_TX,
+		.end = IRQ_UART3_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART3_RX,
-		.end = IRQ_UART3_RX+1,
+		.end = IRQ_UART3_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index cd9cbb68de69..bb868ac0fe2d 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -240,9 +240,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = UART0_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART0_RX,
-		.end = IRQ_UART0_RX+1,
+		.end = IRQ_UART0_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -283,9 +288,14 @@ static struct resource bfin_uart1_resources[] = {
 		.end = UART1_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART1_RX,
-		.end = IRQ_UART1_RX+1,
+		.end = IRQ_UART1_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -342,9 +352,14 @@ static struct resource bfin_uart2_resources[] = {
 		.end = UART2_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART2_TX,
+		.end = IRQ_UART2_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART2_RX,
-		.end = IRQ_UART2_RX+1,
+		.end = IRQ_UART2_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
@@ -385,9 +400,14 @@ static struct resource bfin_uart3_resources[] = {
 		.end = UART3_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART3_TX,
+		.end = IRQ_UART3_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART3_RX,
-		.end = IRQ_UART3_RX+1,
+		.end = IRQ_UART3_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c
index 972e1347c6bc..b1b7339b6ba7 100644
--- a/arch/blackfin/mach-bf561/boards/acvilon.c
+++ b/arch/blackfin/mach-bf561/boards/acvilon.c
@@ -202,9 +202,14 @@ static struct resource bfin_uart0_resources[] = {
 	 .end = BFIN_UART_GCTL + 2,
 	 .flags = IORESOURCE_MEM,
 	 },
+	{
+	 .start = IRQ_UART_TX,
+	 .end = IRQ_UART_TX,
+	 .flags = IORESOURCE_IRQ,
+	 },
 	{
 	 .start = IRQ_UART_RX,
-	 .end = IRQ_UART_RX + 1,
+	 .end = IRQ_UART_RX,
 	 .flags = IORESOURCE_IRQ,
 	 },
 	{
diff --git a/arch/blackfin/mach-bf561/boards/cm_bf561.c b/arch/blackfin/mach-bf561/boards/cm_bf561.c
index c1b72f2d6354..c017cf07ed4e 100644
--- a/arch/blackfin/mach-bf561/boards/cm_bf561.c
+++ b/arch/blackfin/mach-bf561/boards/cm_bf561.c
@@ -276,9 +276,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART_TX,
+		.end = IRQ_UART_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART_RX,
-		.end = IRQ_UART_RX+1,
+		.end = IRQ_UART_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index 9490dc800ca5..27f22ed381d9 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -171,9 +171,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART_TX,
+		.end = IRQ_UART_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART_RX,
-		.end = IRQ_UART_RX+1,
+		.end = IRQ_UART_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
diff --git a/arch/blackfin/mach-bf561/boards/tepla.c b/arch/blackfin/mach-bf561/boards/tepla.c
index bb056e60f6ed..1a57bc986aad 100644
--- a/arch/blackfin/mach-bf561/boards/tepla.c
+++ b/arch/blackfin/mach-bf561/boards/tepla.c
@@ -50,9 +50,14 @@ static struct resource bfin_uart0_resources[] = {
 		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART_TX,
+		.end = IRQ_UART_TX,
+		.flags = IORESOURCE_IRQ,
+	},
 	{
 		.start = IRQ_UART_RX,
-		.end = IRQ_UART_RX+1,
+		.end = IRQ_UART_RX,
 		.flags = IORESOURCE_IRQ,
 	},
 	{
-- 
GitLab


From 905905432868fa513f0f783fb9e5724536f4ee1f Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Fri, 11 Nov 2011 11:06:38 +0100
Subject: [PATCH 0461/1594] blackfin: Fixup export.h includes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Commit 8dc7a9c84 ("blackfin: Add export.h to files using
EXPORT_SYMBOL/THIS_MODULE") inserted some of the include statements into
sections protected by an unrelated #if CONFIG_... statement. This can cause,
depending on the configuration used, warnings like this one:

	arch/blackfin/mach-bf537/boards/stamp.c:2940: warning: data definition has no type or storage class
	arch/blackfin/mach-bf537/boards/stamp.c:2940: warning: type defaults to ‘int’ in declaration of ‘EXPORT_SYMBOL’
	arch/blackfin/mach-bf537/boards/stamp.c:2940: warning: parameter names (without types) in function declaration

This patch fixes it by moving the includes out of the #if protected sections.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
---
 arch/blackfin/mach-bf527/boards/cm_bf527.c  | 2 +-
 arch/blackfin/mach-bf527/boards/ezbrd.c     | 2 +-
 arch/blackfin/mach-bf537/boards/cm_bf537e.c | 2 +-
 arch/blackfin/mach-bf537/boards/cm_bf537u.c | 2 +-
 arch/blackfin/mach-bf537/boards/dnp5370.c   | 2 +-
 arch/blackfin/mach-bf537/boards/pnav10.c    | 1 +
 arch/blackfin/mach-bf537/boards/stamp.c     | 2 +-
 arch/blackfin/mach-bf537/boards/tcm_bf537.c | 2 +-
 8 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c
index c13065b895f2..cd289698b4dd 100644
--- a/arch/blackfin/mach-bf527/boards/cm_bf527.c
+++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/device.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -811,7 +812,6 @@ static struct platform_device bfin_sport1_uart_device = {
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
-#include <linux/export.h>
 
 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 	{BTN_0, GPIO_PF14, 1, "gpio-keys: BTN0"},
diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c
index 2963c356c68b..9f792eafd1cc 100644
--- a/arch/blackfin/mach-bf527/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/device.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -684,7 +685,6 @@ static struct platform_device bfin_sport1_uart_device = {
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
-#include <linux/export.h>
 
 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 	{BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537e.c b/arch/blackfin/mach-bf537/boards/cm_bf537e.c
index 82e4cc31f11c..604a430038e1 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537e.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537e.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/device.h>
+#include <linux/export.h>
 #include <linux/etherdevice.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
@@ -579,7 +580,6 @@ static struct platform_device bfin_sport1_uart_device = {
 
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 #include <linux/bfin_mac.h>
-#include <linux/export.h>
 static const unsigned short bfin_mac_peripherals[] = P_MII0;
 
 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537u.c b/arch/blackfin/mach-bf537/boards/cm_bf537u.c
index e9f1964916e0..d916b46a44fe 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537u.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537u.c
@@ -9,6 +9,7 @@
 
 #include <linux/device.h>
 #include <linux/etherdevice.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -544,7 +545,6 @@ static struct platform_device bfin_sport1_uart_device = {
 
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 #include <linux/bfin_mac.h>
-#include <linux/export.h>
 static const unsigned short bfin_mac_peripherals[] = P_MII0;
 
 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
diff --git a/arch/blackfin/mach-bf537/boards/dnp5370.c b/arch/blackfin/mach-bf537/boards/dnp5370.c
index 5b225983e9e6..5f307228be63 100644
--- a/arch/blackfin/mach-bf537/boards/dnp5370.c
+++ b/arch/blackfin/mach-bf537/boards/dnp5370.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/device.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
@@ -49,7 +50,6 @@ static struct platform_device rtc_device = {
 
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 #include <linux/bfin_mac.h>
-#include <linux/export.h>
 static const unsigned short bfin_mac_peripherals[] = P_RMII0;
 
 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
diff --git a/arch/blackfin/mach-bf537/boards/pnav10.c b/arch/blackfin/mach-bf537/boards/pnav10.c
index 1567dd875e52..aebd31c845f0 100644
--- a/arch/blackfin/mach-bf537/boards/pnav10.c
+++ b/arch/blackfin/mach-bf537/boards/pnav10.c
@@ -8,6 +8,7 @@
 
 #include <linux/device.h>
 #include <linux/etherdevice.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index bff551ab9260..7fbb0bbf8676 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/device.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
@@ -2002,7 +2003,6 @@ static struct adp8870_backlight_platform_data adp8870_pdata = {
 
 #if defined(CONFIG_BACKLIGHT_ADP8860) || defined(CONFIG_BACKLIGHT_ADP8860_MODULE)
 #include <linux/i2c/adp8860.h>
-#include <linux/export.h>
 static struct led_info adp8860_leds[] = {
 	{
 		.name = "adp8860-led7",
diff --git a/arch/blackfin/mach-bf537/boards/tcm_bf537.c b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
index e58c9bc8ebb4..6917ce2fa55e 100644
--- a/arch/blackfin/mach-bf537/boards/tcm_bf537.c
+++ b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
@@ -9,6 +9,7 @@
 
 #include <linux/device.h>
 #include <linux/etherdevice.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -546,7 +547,6 @@ static struct platform_device bfin_sport1_uart_device = {
 
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 #include <linux/bfin_mac.h>
-#include <linux/export.h>
 static const unsigned short bfin_mac_peripherals[] = P_MII0;
 
 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
-- 
GitLab


From d53dab3ae1a3c6b438738c3792c98ac63f0061f4 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 23 Jul 2011 12:45:07 +0200
Subject: [PATCH 0462/1594] drm: Remove utterly bogus preempt_disable()
 sections

commit 27641c3f (drm/vblank: Add support for precise vblank
timestamping) adds preempt_disable()/enable() around a spin locked
section with the comments:

 * Disable preemption, so vblank_time_lock is held as short as
 * possible, even under a kernel with PREEMPT_RT patches.

/* Disable preemption while holding vblank_time_lock. Do
 * it explicitely to guard against PREEMPT_RT kernel.

Just that this has never been tested on a RT kernel which would have
granted that nonsense with a might_sleep() warning because
dev->vblank_time_lock is converted to a "sleeping" spinlock on RT.

So this is activly wrong on RT and superflous on mainline. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_irq.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 68b756253f9f..44a5d0ad8b7c 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -110,10 +110,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
 	/* Prevent vblank irq processing while disabling vblank irqs,
 	 * so no updates of timestamps or count can happen after we've
 	 * disabled. Needed to prevent races in case of delayed irq's.
-	 * Disable preemption, so vblank_time_lock is held as short as
-	 * possible, even under a kernel with PREEMPT_RT patches.
 	 */
-	preempt_disable();
 	spin_lock_irqsave(&dev->vblank_time_lock, irqflags);
 
 	dev->driver->disable_vblank(dev, crtc);
@@ -164,7 +161,6 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
 	clear_vblank_timestamps(dev, crtc);
 
 	spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags);
-	preempt_enable();
 }
 
 static void vblank_disable_fn(unsigned long arg)
@@ -889,10 +885,6 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
 	spin_lock_irqsave(&dev->vbl_lock, irqflags);
 	/* Going from 0->1 means we have to enable interrupts again */
 	if (atomic_add_return(1, &dev->vblank_refcount[crtc]) == 1) {
-		/* Disable preemption while holding vblank_time_lock. Do
-		 * it explicitely to guard against PREEMPT_RT kernel.
-		 */
-		preempt_disable();
 		spin_lock_irqsave(&dev->vblank_time_lock, irqflags2);
 		if (!dev->vblank_enabled[crtc]) {
 			/* Enable vblank irqs under vblank_time_lock protection.
@@ -912,7 +904,6 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
 			}
 		}
 		spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags2);
-		preempt_enable();
 	} else {
 		if (!dev->vblank_enabled[crtc]) {
 			atomic_dec(&dev->vblank_refcount[crtc]);
-- 
GitLab


From e53de8f00c80fd1a312c95bc5157fdb98d46e070 Mon Sep 17 00:00:00 2001
From: Jesper Juhl <jj@chaosbits.net>
Date: Sun, 13 Nov 2011 23:11:50 +0100
Subject: [PATCH 0463/1594] ALSA: hda/realtek: remove redundant semicolon

Having just one semicolon after a break statement is enough.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 308bb575bc06..336d14eb72af 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1452,7 +1452,7 @@ static void alc_apply_fixup(struct hda_codec *codec, int action)
 		switch (fix->type) {
 		case ALC_FIXUP_SKU:
 			if (action != ALC_FIXUP_ACT_PRE_PROBE || !fix->v.sku)
-				break;;
+				break;
 			snd_printdd(KERN_INFO "hda_codec: %s: "
 				    "Apply sku override for %s\n",
 				    codec->chip_name, modelname);
-- 
GitLab


From f6252114cbb7edabc1c92bf794153922ee0ea46d Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Mon, 10 Oct 2011 09:29:18 +0100
Subject: [PATCH 0464/1594] vgaarb: a NULL bridge is acceptable for root
 devices.

I assumed all PCI buses had a bridge, but playing with qemu recently, I
discovered vgaarb bug where it wasn't detecting both devices shared a bridge
at the root level.

Don't check for NULL, if two buses have a NULL bridge, assume they share the
root bus.

Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/vga/vgaarb.c | 44 +++++++++++++++++++---------------------
 1 file changed, 21 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index c72f1c0b5e63..bdde899af72e 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -465,31 +465,29 @@ static void vga_arbiter_check_bridge_sharing(struct vga_device *vgadev)
 	while (new_bus) {
 		new_bridge = new_bus->self;
 
-		if (new_bridge) {
-			/* go through list of devices already registered */
-			list_for_each_entry(same_bridge_vgadev, &vga_list, list) {
-				bus = same_bridge_vgadev->pdev->bus;
-				bridge = bus->self;
-
-				/* see if the share a bridge with this device */
-				if (new_bridge == bridge) {
-					/* if their direct parent bridge is the same
-					   as any bridge of this device then it can't be used
-					   for that device */
-					same_bridge_vgadev->bridge_has_one_vga = false;
-				}
+		/* go through list of devices already registered */
+		list_for_each_entry(same_bridge_vgadev, &vga_list, list) {
+			bus = same_bridge_vgadev->pdev->bus;
+			bridge = bus->self;
+
+			/* see if the share a bridge with this device */
+			if (new_bridge == bridge) {
+				/* if their direct parent bridge is the same
+				   as any bridge of this device then it can't be used
+				   for that device */
+				same_bridge_vgadev->bridge_has_one_vga = false;
+			}
 
-				/* now iterate the previous devices bridge hierarchy */
-				/* if the new devices parent bridge is in the other devices
-				   hierarchy then we can't use it to control this device */
-				while (bus) {
-					bridge = bus->self;
-					if (bridge) {
-						if (bridge == vgadev->pdev->bus->self)
-							vgadev->bridge_has_one_vga = false;
-					}
-					bus = bus->parent;
+			/* now iterate the previous devices bridge hierarchy */
+			/* if the new devices parent bridge is in the other devices
+			   hierarchy then we can't use it to control this device */
+			while (bus) {
+				bridge = bus->self;
+				if (bridge) {
+					if (bridge == vgadev->pdev->bus->self)
+						vgadev->bridge_has_one_vga = false;
 				}
+				bus = bus->parent;
 			}
 		}
 		new_bus = new_bus->parent;
-- 
GitLab


From 800252976be89611ef86d6d04442a821018ed949 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 14 Nov 2011 11:18:59 +0100
Subject: [PATCH 0465/1594] [S390] wire up process_vm syscalls

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/unistd.h    |  4 +++-
 arch/s390/kernel/compat_wrapper.S | 20 ++++++++++++++++++++
 arch/s390/kernel/syscalls.S       |  2 ++
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 404bdb9671b4..58de4c91c333 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -277,7 +277,9 @@
 #define __NR_clock_adjtime	337
 #define __NR_syncfs		338
 #define __NR_setns		339
-#define NR_syscalls 340
+#define __NR_process_vm_readv	340
+#define __NR_process_vm_writev	341
+#define NR_syscalls 342
 
 /* 
  * There are some system calls that are not present on 64 bit, some
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 5006a1d9f5d0..18c51df9fe06 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1627,3 +1627,23 @@ ENTRY(sys_setns_wrapper)
 	lgfr	%r2,%r2			# int
 	lgfr	%r3,%r3			# int
 	jg	sys_setns
+
+ENTRY(compat_sys_process_vm_readv_wrapper)
+	lgfr	%r2,%r2			# compat_pid_t
+	llgtr	%r3,%r3			# struct compat_iovec __user *
+	llgfr	%r4,%r4			# unsigned long
+	llgtr	%r5,%r5			# struct compat_iovec __user *
+	llgfr	%r6,%r6			# unsigned long
+	llgf	%r0,164(%r15)		# unsigned long
+	stg	%r0,160(%r15)
+	jg	sys_process_vm_readv
+
+ENTRY(compat_sys_process_vm_writev_wrapper)
+	lgfr	%r2,%r2			# compat_pid_t
+	llgtr	%r3,%r3			# struct compat_iovec __user *
+	llgfr	%r4,%r4			# unsigned long
+	llgtr	%r5,%r5			# struct compat_iovec __user *
+	llgfr	%r6,%r6			# unsigned long
+	llgf	%r0,164(%r15)		# unsigned long
+	stg	%r0,160(%r15)
+	jg	sys_process_vm_writev
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 73eb08c874fb..bcab2f04ba58 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -348,3 +348,5 @@ SYSCALL(sys_open_by_handle_at,sys_open_by_handle_at,compat_sys_open_by_handle_at
 SYSCALL(sys_clock_adjtime,sys_clock_adjtime,compat_sys_clock_adjtime_wrapper)
 SYSCALL(sys_syncfs,sys_syncfs,sys_syncfs_wrapper)
 SYSCALL(sys_setns,sys_setns,sys_setns_wrapper)
+SYSCALL(sys_process_vm_readv,sys_process_vm_readv,compat_sys_process_vm_readv_wrapper) /* 340 */
+SYSCALL(sys_process_vm_writev,sys_process_vm_writev,compat_sys_process_vm_writev_wrapper)
-- 
GitLab


From 09b538833b85521d937a06faf61e6a3273253cc0 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Mon, 14 Nov 2011 11:19:00 +0100
Subject: [PATCH 0466/1594] [S390] fix pgste update logic

The pgste_update_all / pgste_update_young and pgste_set_pte need to
check if the pte entry contains a valid page address before the storage
key can be accessed. In addition pgste_set_pte needs to set the access
key and fetch protection bit of the new pte entry, not the old entry.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/pgtable.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 34ede0ea85a9..524d23b8610c 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -593,6 +593,8 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste)
 	unsigned long address, bits;
 	unsigned char skey;
 
+	if (!pte_present(*ptep))
+		return pgste;
 	address = pte_val(*ptep) & PAGE_MASK;
 	skey = page_get_storage_key(address);
 	bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED);
@@ -625,6 +627,8 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste)
 #ifdef CONFIG_PGSTE
 	int young;
 
+	if (!pte_present(*ptep))
+		return pgste;
 	young = page_reset_referenced(pte_val(*ptep) & PAGE_MASK);
 	/* Transfer page referenced bit to pte software bit (host view) */
 	if (young || (pgste_val(pgste) & RCP_HR_BIT))
@@ -638,13 +642,15 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste)
 
 }
 
-static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste)
+static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste, pte_t entry)
 {
 #ifdef CONFIG_PGSTE
 	unsigned long address;
 	unsigned long okey, nkey;
 
-	address = pte_val(*ptep) & PAGE_MASK;
+	if (!pte_present(entry))
+		return;
+	address = pte_val(entry) & PAGE_MASK;
 	okey = nkey = page_get_storage_key(address);
 	nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT);
 	/* Set page access key and fetch protection bit from pgste */
@@ -712,7 +718,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 
 	if (mm_has_pgste(mm)) {
 		pgste = pgste_get_lock(ptep);
-		pgste_set_pte(ptep, pgste);
+		pgste_set_pte(ptep, pgste, entry);
 		*ptep = entry;
 		pgste_set_unlock(ptep, pgste);
 	} else
-- 
GitLab


From fa2fb2f4a599c402bb2670dde27867dbbb7e3c45 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 14 Nov 2011 11:19:01 +0100
Subject: [PATCH 0467/1594] [S390] pfault: ignore leftover completion
 interrupts

Ignore completion interrupts if the initial interrupt hasn't been
received and the addressed task is not running. This case can only
happen if leftover (pending) completion interrupt gets delivered
which wasn't removed with the PFAULT CANCEL operation during cpu
hotplug.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/mm/fault.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 1766def5bc3f..a9a301866b3c 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -587,8 +587,13 @@ static void pfault_interrupt(unsigned int ext_int_code,
 		} else {
 			/* Completion interrupt was faster than initial
 			 * interrupt. Set pfault_wait to -1 so the initial
-			 * interrupt doesn't put the task to sleep. */
-			tsk->thread.pfault_wait = -1;
+			 * interrupt doesn't put the task to sleep.
+			 * If the task is not running, ignore the completion
+			 * interrupt since it must be a leftover of a PFAULT
+			 * CANCEL operation which didn't remove all pending
+			 * completion interrupts. */
+			if (tsk->state == TASK_RUNNING)
+				tsk->thread.pfault_wait = -1;
 		}
 		put_task_struct(tsk);
 	} else {
-- 
GitLab


From 7a2512b744e72377c3fa5976f06a3f343e155d1f Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Mon, 14 Nov 2011 11:19:02 +0100
Subject: [PATCH 0468/1594] [S390] incorrect note program header

'readelf -n' on the s390 vmlinux file generates lots of warnings about
corrupt notes. The reason is that the 'NOTE' program header has incorrect
file and memory sizes. The problem is that the section following the
NOTES section do not switch to a different phdr and they get added to
the NOTE program section. Add a dummy entry to the linker script that
switches to the data phdr before the start of the RODATA section.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/vmlinux.lds.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 56fe6bc81fee..e4c79ebb40e6 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -43,6 +43,8 @@ SECTIONS
 
 	NOTES :text :note
 
+	.dummy : { *(.dummy) } :data
+
 	RODATA
 
 #ifdef CONFIG_SHARED_KERNEL
-- 
GitLab


From 96603b505cb6c54782a27599afef65cc108ef5f2 Mon Sep 17 00:00:00 2001
From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Date: Mon, 14 Nov 2011 11:19:03 +0100
Subject: [PATCH 0469/1594] [S390] Kconfig: Select CONFIG_KEXEC for
 CONFIG_CRASH_DUMP

The kdump infrastructure is built on top of kexec. Therefore
CONFIG_KEXEC has to be enabled when CONFIG_CRASH_DUMP is selected.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index a9fbd43395f7..373679b3744a 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -572,6 +572,7 @@ config KEXEC
 config CRASH_DUMP
 	bool "kernel crash dumps"
 	depends on 64BIT
+	select KEXEC
 	help
 	  Generate crash dump after being started by kexec.
 	  Crash dump kernels are loaded in the main kernel with kexec-tools
-- 
GitLab


From bc615deaf35ab06e7fe5672b0efb3c7a0b2dcf1a Mon Sep 17 00:00:00 2001
From: Holger Dengler <hd@linux.vnet.ibm.com>
Date: Mon, 14 Nov 2011 11:19:04 +0100
Subject: [PATCH 0470/1594] [S390] ap: Setup processing for messages in request
 queue.

Setup timer for processing messages in request queue, if sending an AP
message returns with reason code AP_RESPONSE_RESET_IN_PROGRESS.

Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/crypto/ap_bus.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index b77ae519d79c..ec94f049e995 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1271,18 +1271,16 @@ ap_config_timeout(unsigned long ptr)
 }
 
 /**
- * ap_schedule_poll_timer(): Schedule poll timer.
+ * __ap_schedule_poll_timer(): Schedule poll timer.
  *
  * Set up the timer to run the poll tasklet
  */
-static inline void ap_schedule_poll_timer(void)
+static inline void __ap_schedule_poll_timer(void)
 {
 	ktime_t hr_time;
 
 	spin_lock_bh(&ap_poll_timer_lock);
-	if (ap_using_interrupts() || ap_suspend_flag)
-		goto out;
-	if (hrtimer_is_queued(&ap_poll_timer))
+	if (hrtimer_is_queued(&ap_poll_timer) || ap_suspend_flag)
 		goto out;
 	if (ktime_to_ns(hrtimer_expires_remaining(&ap_poll_timer)) <= 0) {
 		hr_time = ktime_set(0, poll_timeout);
@@ -1293,6 +1291,18 @@ out:
 	spin_unlock_bh(&ap_poll_timer_lock);
 }
 
+/**
+ * ap_schedule_poll_timer(): Schedule poll timer.
+ *
+ * Set up the timer to run the poll tasklet
+ */
+static inline void ap_schedule_poll_timer(void)
+{
+	if (ap_using_interrupts())
+		return;
+	__ap_schedule_poll_timer();
+}
+
 /**
  * ap_poll_read(): Receive pending reply messages from an AP device.
  * @ap_dev: pointer to the AP device
@@ -1374,8 +1384,9 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
 			*flags |= 1;
 		*flags |= 2;
 		break;
-	case AP_RESPONSE_Q_FULL:
 	case AP_RESPONSE_RESET_IN_PROGRESS:
+		__ap_schedule_poll_timer();
+	case AP_RESPONSE_Q_FULL:
 		*flags |= 2;
 		break;
 	case AP_RESPONSE_MESSAGE_TOO_BIG:
-- 
GitLab


From 3f25dc4fcbc371f86a61a6af759003ebd4965908 Mon Sep 17 00:00:00 2001
From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Date: Mon, 14 Nov 2011 11:19:05 +0100
Subject: [PATCH 0471/1594] [S390] zfcpdump: Do not initialize zfcpdump in
 kdump mode

When the kernel is started in kdump mode, zfcpdump should not be
initialized because both dump methods can't be used at the same time.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/setup.c  | 4 +++-
 drivers/s390/char/zcore.c | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 8ac6bfa2786c..e58a462949b1 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -211,6 +211,8 @@ static void __init setup_zfcpdump(unsigned int console_devno)
 
 	if (ipl_info.type != IPL_TYPE_FCP_DUMP)
 		return;
+	if (OLDMEM_BASE)
+		return;
 	if (console_devno != -1)
 		sprintf(str, " cio_ignore=all,!0.0.%04x,!0.0.%04x",
 			ipl_info.data.fcp.dev_id.devno, console_devno);
@@ -482,7 +484,7 @@ static void __init setup_memory_end(void)
 
 
 #ifdef CONFIG_ZFCPDUMP
-	if (ipl_info.type == IPL_TYPE_FCP_DUMP) {
+	if (ipl_info.type == IPL_TYPE_FCP_DUMP && !OLDMEM_BASE) {
 		memory_end = ZFCPDUMP_HSA_SIZE;
 		memory_end_set = 1;
 	}
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 43068fbd0baa..1b6d9247fdc7 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -641,6 +641,8 @@ static int __init zcore_init(void)
 
 	if (ipl_info.type != IPL_TYPE_FCP_DUMP)
 		return -ENODATA;
+	if (OLDMEM_BASE)
+		return -ENODATA;
 
 	zcore_dbf = debug_register("zcore", 4, 1, 4 * sizeof(long));
 	debug_register_view(zcore_dbf, &debug_sprintf_view);
-- 
GitLab


From cfa1e7e1d49c6f5f0b00b2cb890b521e5c0dc7ea Mon Sep 17 00:00:00 2001
From: Jan Glauber <jang@linux.vnet.ibm.com>
Date: Mon, 14 Nov 2011 11:19:06 +0100
Subject: [PATCH 0472/1594] [S390] avoid STCKF if running in ESA mode

In ESA mode STCKF is not defined even if the facility bit is enabled.
To prevent an illegal operation we must also check if we run a 64 bit kernel.
To make the check perform well add the STCKF bit to the machine flags.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/setup.h | 3 +++
 arch/s390/include/asm/timex.h | 2 +-
 arch/s390/kernel/early.c      | 2 ++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 5a099714df04..097183c70407 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -82,6 +82,7 @@ extern unsigned int user_mode;
 #define MACHINE_FLAG_LPAR	(1UL << 12)
 #define MACHINE_FLAG_SPP	(1UL << 13)
 #define MACHINE_FLAG_TOPOLOGY	(1UL << 14)
+#define MACHINE_FLAG_STCKF	(1UL << 15)
 
 #define MACHINE_IS_VM		(S390_lowcore.machine_flags & MACHINE_FLAG_VM)
 #define MACHINE_IS_KVM		(S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
@@ -100,6 +101,7 @@ extern unsigned int user_mode;
 #define MACHINE_HAS_PFMF	(0)
 #define MACHINE_HAS_SPP		(0)
 #define MACHINE_HAS_TOPOLOGY	(0)
+#define MACHINE_HAS_STCKF	(0)
 #else /* __s390x__ */
 #define MACHINE_HAS_IEEE	(1)
 #define MACHINE_HAS_CSP		(1)
@@ -111,6 +113,7 @@ extern unsigned int user_mode;
 #define MACHINE_HAS_PFMF	(S390_lowcore.machine_flags & MACHINE_FLAG_PFMF)
 #define MACHINE_HAS_SPP		(S390_lowcore.machine_flags & MACHINE_FLAG_SPP)
 #define MACHINE_HAS_TOPOLOGY	(S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
+#define MACHINE_HAS_STCKF	(S390_lowcore.machine_flags & MACHINE_FLAG_STCKF)
 #endif /* __s390x__ */
 
 #define ZFCPDUMP_HSA_SIZE	(32UL<<20)
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index d610bef9c5e9..c447a27a7fdb 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -90,7 +90,7 @@ static inline unsigned long long get_clock_fast(void)
 {
 	unsigned long long clk;
 
-	if (test_facility(25))
+	if (MACHINE_HAS_STCKF)
 		asm volatile(".insn	s,0xb27c0000,%0" : "=Q" (clk) : : "cc");
 	else
 		clk = get_clock();
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 37394b3413e2..c9ffe0025197 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -390,6 +390,8 @@ static __init void detect_machine_facilities(void)
 		S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS;
 	if (test_facility(40))
 		S390_lowcore.machine_flags |= MACHINE_FLAG_SPP;
+	if (test_facility(25))
+		S390_lowcore.machine_flags |= MACHINE_FLAG_STCKF;
 #endif
 }
 
-- 
GitLab


From 6ed54387dc470fc439cb154724a1ac81d251c126 Mon Sep 17 00:00:00 2001
From: Jan Glauber <jang@linux.vnet.ibm.com>
Date: Mon, 14 Nov 2011 11:19:07 +0100
Subject: [PATCH 0473/1594] [S390] crypto: avoid MSA3 and MSA4 instructions in
 ESA mode

MSA3 and MSA4 instructions are only available under CONFIG_64BIT.
Bail out before using any of these instructions if the kernel is
running in 31 bit mode.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/crypto/crypt_s390.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h
index 49676771bd66..ffd1ac255f19 100644
--- a/arch/s390/crypto/crypt_s390.h
+++ b/arch/s390/crypto/crypt_s390.h
@@ -368,9 +368,12 @@ static inline int crypt_s390_func_available(int func,
 
 	if (facility_mask & CRYPT_S390_MSA && !test_facility(17))
 		return 0;
-	if (facility_mask & CRYPT_S390_MSA3 && !test_facility(76))
+
+	if (facility_mask & CRYPT_S390_MSA3 &&
+	    (!test_facility(2) || !test_facility(76)))
 		return 0;
-	if (facility_mask & CRYPT_S390_MSA4 && !test_facility(77))
+	if (facility_mask & CRYPT_S390_MSA4 &&
+	    (!test_facility(2) || !test_facility(77)))
 		return 0;
 
 	switch (func & CRYPT_S390_OP_MASK) {
-- 
GitLab


From f6bf1a8acd2cb3a92a7b7c9ab03e56a32ac5ece5 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 14 Nov 2011 11:19:08 +0100
Subject: [PATCH 0474/1594] [S390] topology: fix topology on z10 machines

Make sure that all cpus in a book on a z10 appear as book siblings
and not as core siblings. This fixes some performance regressions that
appeared after the book scheduling domain got introduced.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/topology.c | 45 +++++++++++++++++++++++++++++++------
 1 file changed, 38 insertions(+), 7 deletions(-)

diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 77b8942b9a15..fdb5b8cb260f 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -68,8 +68,10 @@ static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu)
 	return mask;
 }
 
-static void add_cpus_to_mask(struct topology_cpu *tl_cpu,
-			     struct mask_info *book, struct mask_info *core)
+static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu,
+					  struct mask_info *book,
+					  struct mask_info *core,
+					  int z10)
 {
 	unsigned int cpu;
 
@@ -88,10 +90,16 @@ static void add_cpus_to_mask(struct topology_cpu *tl_cpu,
 			cpu_book_id[lcpu] = book->id;
 #endif
 			cpumask_set_cpu(lcpu, &core->mask);
-			cpu_core_id[lcpu] = core->id;
+			if (z10) {
+				cpu_core_id[lcpu] = rcpu;
+				core = core->next;
+			} else {
+				cpu_core_id[lcpu] = core->id;
+			}
 			smp_cpu_polarization[lcpu] = tl_cpu->pp;
 		}
 	}
+	return core;
 }
 
 static void clear_masks(void)
@@ -123,18 +131,41 @@ static void tl_to_cores(struct sysinfo_15_1_x *info)
 {
 #ifdef CONFIG_SCHED_BOOK
 	struct mask_info *book = &book_info;
+	struct cpuid cpu_id;
 #else
 	struct mask_info *book = NULL;
 #endif
 	struct mask_info *core = &core_info;
 	union topology_entry *tle, *end;
+	int z10 = 0;
 
-
+#ifdef CONFIG_SCHED_BOOK
+	get_cpu_id(&cpu_id);
+	z10 = cpu_id.machine == 0x2097 || cpu_id.machine == 0x2098;
+#endif
 	spin_lock_irq(&topology_lock);
 	clear_masks();
 	tle = info->tle;
 	end = (union topology_entry *)((unsigned long)info + info->length);
 	while (tle < end) {
+#ifdef CONFIG_SCHED_BOOK
+		if (z10) {
+			switch (tle->nl) {
+			case 1:
+				book = book->next;
+				book->id = tle->container.id;
+				break;
+			case 0:
+				core = add_cpus_to_mask(&tle->cpu, book, core, z10);
+				break;
+			default:
+				clear_masks();
+				goto out;
+			}
+			tle = next_tle(tle);
+			continue;
+		}
+#endif
 		switch (tle->nl) {
 #ifdef CONFIG_SCHED_BOOK
 		case 2:
@@ -147,7 +178,7 @@ static void tl_to_cores(struct sysinfo_15_1_x *info)
 			core->id = tle->container.id;
 			break;
 		case 0:
-			add_cpus_to_mask(&tle->cpu, book, core);
+			add_cpus_to_mask(&tle->cpu, book, core, z10);
 			break;
 		default:
 			clear_masks();
@@ -328,8 +359,8 @@ void __init s390_init_cpu_topology(void)
 	for (i = 0; i < TOPOLOGY_NR_MAG; i++)
 		printk(" %d", info->mag[i]);
 	printk(" / %d\n", info->mnest);
-	alloc_masks(info, &core_info, 2);
+	alloc_masks(info, &core_info, 1);
 #ifdef CONFIG_SCHED_BOOK
-	alloc_masks(info, &book_info, 3);
+	alloc_masks(info, &book_info, 2);
 #endif
 }
-- 
GitLab


From cf5f0acf3935c91379e709a71ecf68805d366659 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 13 Oct 2011 16:52:28 +0200
Subject: [PATCH 0475/1594] sched: Add a comment to effective_load() since it's
 a pain

Every time I have to stare at this function I need to completely
reverse engineer its workings, about time I write a comment
explaining the thing.

Collected bits and pieces from previous changelogs, mostly:

  4be9daaa1b33701f011f4117f22dc1e45a3e6e34
  83378269a5fad98f562ebc0f09c349575e6cbfe1

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1318518057.27731.2.camel@twins
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched_fair.c | 113 +++++++++++++++++++++++++++++++++++++-------
 1 file changed, 95 insertions(+), 18 deletions(-)

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 5c9e67923b7c..aba20f495188 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -772,19 +772,32 @@ static void update_cfs_load(struct cfs_rq *cfs_rq, int global_update)
 		list_del_leaf_cfs_rq(cfs_rq);
 }
 
+static inline long calc_tg_weight(struct task_group *tg, struct cfs_rq *cfs_rq)
+{
+	long tg_weight;
+
+	/*
+	 * Use this CPU's actual weight instead of the last load_contribution
+	 * to gain a more accurate current total weight. See
+	 * update_cfs_rq_load_contribution().
+	 */
+	tg_weight = atomic_read(&tg->load_weight);
+	tg_weight -= cfs_rq->load_contribution;
+	tg_weight += cfs_rq->load.weight;
+
+	return tg_weight;
+}
+
 static long calc_cfs_shares(struct cfs_rq *cfs_rq, struct task_group *tg)
 {
-	long load_weight, load, shares;
+	long tg_weight, load, shares;
 
+	tg_weight = calc_tg_weight(tg, cfs_rq);
 	load = cfs_rq->load.weight;
 
-	load_weight = atomic_read(&tg->load_weight);
-	load_weight += load;
-	load_weight -= cfs_rq->load_contribution;
-
 	shares = (tg->shares * load);
-	if (load_weight)
-		shares /= load_weight;
+	if (tg_weight)
+		shares /= tg_weight;
 
 	if (shares < MIN_SHARES)
 		shares = MIN_SHARES;
@@ -2036,36 +2049,100 @@ static void task_waking_fair(struct task_struct *p)
  * Adding load to a group doesn't make a group heavier, but can cause movement
  * of group shares between cpus. Assuming the shares were perfectly aligned one
  * can calculate the shift in shares.
+ *
+ * Calculate the effective load difference if @wl is added (subtracted) to @tg
+ * on this @cpu and results in a total addition (subtraction) of @wg to the
+ * total group weight.
+ *
+ * Given a runqueue weight distribution (rw_i) we can compute a shares
+ * distribution (s_i) using:
+ *
+ *   s_i = rw_i / \Sum rw_j						(1)
+ *
+ * Suppose we have 4 CPUs and our @tg is a direct child of the root group and
+ * has 7 equal weight tasks, distributed as below (rw_i), with the resulting
+ * shares distribution (s_i):
+ *
+ *   rw_i = {   2,   4,   1,   0 }
+ *   s_i  = { 2/7, 4/7, 1/7,   0 }
+ *
+ * As per wake_affine() we're interested in the load of two CPUs (the CPU the
+ * task used to run on and the CPU the waker is running on), we need to
+ * compute the effect of waking a task on either CPU and, in case of a sync
+ * wakeup, compute the effect of the current task going to sleep.
+ *
+ * So for a change of @wl to the local @cpu with an overall group weight change
+ * of @wl we can compute the new shares distribution (s'_i) using:
+ *
+ *   s'_i = (rw_i + @wl) / (@wg + \Sum rw_j)				(2)
+ *
+ * Suppose we're interested in CPUs 0 and 1, and want to compute the load
+ * differences in waking a task to CPU 0. The additional task changes the
+ * weight and shares distributions like:
+ *
+ *   rw'_i = {   3,   4,   1,   0 }
+ *   s'_i  = { 3/8, 4/8, 1/8,   0 }
+ *
+ * We can then compute the difference in effective weight by using:
+ *
+ *   dw_i = S * (s'_i - s_i)						(3)
+ *
+ * Where 'S' is the group weight as seen by its parent.
+ *
+ * Therefore the effective change in loads on CPU 0 would be 5/56 (3/8 - 2/7)
+ * times the weight of the group. The effect on CPU 1 would be -4/56 (4/8 -
+ * 4/7) times the weight of the group.
  */
 static long effective_load(struct task_group *tg, int cpu, long wl, long wg)
 {
 	struct sched_entity *se = tg->se[cpu];
 
-	if (!tg->parent)
+	if (!tg->parent)	/* the trivial, non-cgroup case */
 		return wl;
 
 	for_each_sched_entity(se) {
-		long lw, w;
+		long w, W;
 
 		tg = se->my_q->tg;
-		w = se->my_q->load.weight;
 
-		/* use this cpu's instantaneous contribution */
-		lw = atomic_read(&tg->load_weight);
-		lw -= se->my_q->load_contribution;
-		lw += w + wg;
+		/*
+		 * W = @wg + \Sum rw_j
+		 */
+		W = wg + calc_tg_weight(tg, se->my_q);
 
-		wl += w;
+		/*
+		 * w = rw_i + @wl
+		 */
+		w = se->my_q->load.weight + wl;
 
-		if (lw > 0 && wl < lw)
-			wl = (wl * tg->shares) / lw;
+		/*
+		 * wl = S * s'_i; see (2)
+		 */
+		if (W > 0 && w < W)
+			wl = (w * tg->shares) / W;
 		else
 			wl = tg->shares;
 
-		/* zero point is MIN_SHARES */
+		/*
+		 * Per the above, wl is the new se->load.weight value; since
+		 * those are clipped to [MIN_SHARES, ...) do so now. See
+		 * calc_cfs_shares().
+		 */
 		if (wl < MIN_SHARES)
 			wl = MIN_SHARES;
+
+		/*
+		 * wl = dw_i = S * (s'_i - s_i); see (3)
+		 */
 		wl -= se->load.weight;
+
+		/*
+		 * Recursively apply this logic to all parent groups to compute
+		 * the final effective load change on the root group. Since
+		 * only the @tg group gets extra weight, all parent groups can
+		 * only redistribute existing shares. @wl is the shift in shares
+		 * resulting from this level per the above.
+		 */
 		wg = 0;
 	}
 
-- 
GitLab


From 461819ac8ee950ce027c72a066156a3df9e60c7e Mon Sep 17 00:00:00 2001
From: Hui Kang <hkang.sunysb@gmail.com>
Date: Tue, 11 Oct 2011 23:00:59 -0400
Subject: [PATCH 0476/1594] sched_fair: Fix a typo in the comment describing
 update_sd_lb_stats

Signed-off-by: Hui Kang <hkang.sunysb@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1318388459-4427-1-git-send-email-hkang.sunysb@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched_fair.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index aba20f495188..7e51b5bb27cc 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -3588,7 +3588,7 @@ static bool update_sd_pick_busiest(struct sched_domain *sd,
 }
 
 /**
- * update_sd_lb_stats - Update sched_group's statistics for load balancing.
+ * update_sd_lb_stats - Update sched_domain's statistics for load balancing.
  * @sd: sched_domain whose statistics are to be updated.
  * @this_cpu: Cpu for which load balance is currently performed.
  * @idle: Idle status of this_cpu
-- 
GitLab


From c6dc7f055d333ef35f397b8d7c3abcd1918bf8cb Mon Sep 17 00:00:00 2001
From: "J. Bruce Fields" <bfields@redhat.com>
Date: Thu, 6 Oct 2011 15:22:46 -0400
Subject: [PATCH 0477/1594] sched: Document wait_for_completion_*() return
 values

The return-value convention for these functions varies depending on
whether they're interruptible or can timeout.  It can be a little
confusing--document it.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111006192246.GB28026@fieldses.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/kernel/sched.c b/kernel/sched.c
index 0e9344a71be3..3d2c436959a1 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4810,6 +4810,9 @@ EXPORT_SYMBOL(wait_for_completion);
  * This waits for either a completion of a specific task to be signaled or for a
  * specified timeout to expire. The timeout is in jiffies. It is not
  * interruptible.
+ *
+ * The return value is 0 if timed out, and positive (at least 1, or number of
+ * jiffies left till timeout) if completed.
  */
 unsigned long __sched
 wait_for_completion_timeout(struct completion *x, unsigned long timeout)
@@ -4824,6 +4827,8 @@ EXPORT_SYMBOL(wait_for_completion_timeout);
  *
  * This waits for completion of a specific task to be signaled. It is
  * interruptible.
+ *
+ * The return value is -ERESTARTSYS if interrupted, 0 if completed.
  */
 int __sched wait_for_completion_interruptible(struct completion *x)
 {
@@ -4841,6 +4846,9 @@ EXPORT_SYMBOL(wait_for_completion_interruptible);
  *
  * This waits for either a completion of a specific task to be signaled or for a
  * specified timeout to expire. It is interruptible. The timeout is in jiffies.
+ *
+ * The return value is -ERESTARTSYS if interrupted, 0 if timed out,
+ * positive (at least 1, or number of jiffies left till timeout) if completed.
  */
 long __sched
 wait_for_completion_interruptible_timeout(struct completion *x,
@@ -4856,6 +4864,8 @@ EXPORT_SYMBOL(wait_for_completion_interruptible_timeout);
  *
  * This waits to be signaled for completion of a specific task. It can be
  * interrupted by a kill signal.
+ *
+ * The return value is -ERESTARTSYS if interrupted, 0 if completed.
  */
 int __sched wait_for_completion_killable(struct completion *x)
 {
@@ -4874,6 +4884,9 @@ EXPORT_SYMBOL(wait_for_completion_killable);
  * This waits for either a completion of a specific task to be
  * signaled or for a specified timeout to expire. It can be
  * interrupted by a kill signal. The timeout is in jiffies.
+ *
+ * The return value is -ERESTARTSYS if interrupted, 0 if timed out,
+ * positive (at least 1, or number of jiffies left till timeout) if completed.
  */
 long __sched
 wait_for_completion_killable_timeout(struct completion *x,
-- 
GitLab


From 4a6184ce7a48c478dee0d8a9ed74c1fa35161858 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 6 Oct 2011 22:39:14 +0200
Subject: [PATCH 0478/1594] sched, rt: Provide means of disabling cross-cpu
 bandwidth sharing

Normally the RT bandwidth scheme will share bandwidth across the
entire root_domain. However sometimes its convenient to disable this
sharing for debug purposes. Provide a simple feature switch to this
end.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched_features.h | 1 +
 kernel/sched_rt.c       | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/kernel/sched_features.h b/kernel/sched_features.h
index efa0a7b75dde..84802245abd2 100644
--- a/kernel/sched_features.h
+++ b/kernel/sched_features.h
@@ -67,3 +67,4 @@ SCHED_FEAT(NONTASK_POWER, 1)
 SCHED_FEAT(TTWU_QUEUE, 1)
 
 SCHED_FEAT(FORCE_SD_OVERLAP, 0)
+SCHED_FEAT(RT_RUNTIME_SHARE, 1)
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 056cbd2e2a27..583a1368afe6 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -560,6 +560,9 @@ static int balance_runtime(struct rt_rq *rt_rq)
 {
 	int more = 0;
 
+	if (!sched_feat(RT_RUNTIME_SHARE))
+		return more;
+
 	if (rt_rq->rt_time > rt_rq->rt_runtime) {
 		raw_spin_unlock(&rt_rq->rt_runtime_lock);
 		more = do_balance_runtime(rt_rq);
-- 
GitLab


From f1c6f1a7eed963ed233ba4c8b6fa8addb86c6ddc Mon Sep 17 00:00:00 2001
From: Carsten Emde <C.Emde@osadl.org>
Date: Wed, 26 Oct 2011 23:14:16 +0200
Subject: [PATCH 0479/1594] sched: Set the command name of the idle tasks in
 SMP kernels

In UP systems, the idle task is initialized using the init_task
structure from which the command name is taken (currently "swapper").

In SMP systems, one idle task per CPU is forked by the worker thread
from which the task structure is copied. The command name is, therefore,
"kworker/0:0" or "kworker/0:1", if not updated. Since such update was
lacking, all idle tasks in SMP systems were incorrectly named. This
longtime bug was not discovered immediately, because there is no /proc/0
entry - the bug only becomes apparent when tracing is enabled.

This patch sets the command name of the idle tasks in SMP systems to the
name that is used in the INIT_TASK structure suffixed by a slash and the
number of the CPU.

Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111026211708.768925506@osadl.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/init_task.h | 4 +++-
 kernel/sched.c            | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 08ffab01e76c..b6e5b8b000e0 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -126,6 +126,8 @@ extern struct cred init_cred;
 # define INIT_PERF_EVENTS(tsk)
 #endif
 
+#define INIT_TASK_COMM "swapper"
+
 /*
  *  INIT_TASK is used to set up the first task table, touch at
  * your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -162,7 +164,7 @@ extern struct cred init_cred;
 	.group_leader	= &tsk,						\
 	RCU_INIT_POINTER(.real_cred, &init_cred),			\
 	RCU_INIT_POINTER(.cred, &init_cred),				\
-	.comm		= "swapper",					\
+	.comm		= INIT_TASK_COMM,				\
 	.thread		= INIT_THREAD,					\
 	.fs		= &init_fs,					\
 	.files		= &init_files,					\
diff --git a/kernel/sched.c b/kernel/sched.c
index 3d2c436959a1..d6b149ccf925 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -71,6 +71,7 @@
 #include <linux/ctype.h>
 #include <linux/ftrace.h>
 #include <linux/slab.h>
+#include <linux/init_task.h>
 
 #include <asm/tlb.h>
 #include <asm/irq_regs.h>
@@ -6112,6 +6113,9 @@ void __cpuinit init_idle(struct task_struct *idle, int cpu)
 	 */
 	idle->sched_class = &idle_sched_class;
 	ftrace_graph_init_idle_task(idle, cpu);
+#if defined(CONFIG_SMP)
+	sprintf(idle->comm, "%s/%d", INIT_TASK_COMM, cpu);
+#endif
 }
 
 /*
-- 
GitLab


From 57d1c0c03c6b48b2b96870d831b9ce6b917f53ac Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Fri, 7 Oct 2011 13:36:40 +0200
Subject: [PATCH 0480/1594] perf/x86: Fix PEBS instruction unwind

Masami spotted that we always try to decode the instruction stream as
64bit instructions when running a 64bit kernel, this doesn't work for
ia32-compat proglets.

Use TIF_IA32 to detect if we need to use the 32bit instruction
decoder.

Reported-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: stable@kernel.org
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event_intel_ds.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index c0d238f49db8..73da6b64f5b7 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -493,6 +493,7 @@ static int intel_pmu_pebs_fixup_ip(struct pt_regs *regs)
 	unsigned long from = cpuc->lbr_entries[0].from;
 	unsigned long old_to, to = cpuc->lbr_entries[0].to;
 	unsigned long ip = regs->ip;
+	int is_64bit = 0;
 
 	/*
 	 * We don't need to fixup if the PEBS assist is fault like
@@ -544,7 +545,10 @@ static int intel_pmu_pebs_fixup_ip(struct pt_regs *regs)
 		} else
 			kaddr = (void *)to;
 
-		kernel_insn_init(&insn, kaddr);
+#ifdef CONFIG_X86_64
+		is_64bit = kernel_ip(to) || !test_thread_flag(TIF_IA32);
+#endif
+		insn_init(&insn, kaddr, is_64bit);
 		insn_get_length(&insn);
 		to += insn.length;
 	} while (to < ip);
-- 
GitLab


From 1d5f003f5a964711853514b04ddc872eec0fdc7b Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Sun, 23 Oct 2011 19:10:33 +0200
Subject: [PATCH 0481/1594] perf: Do not set task_ctx pointer in cpuctx if
 there are no events in the context

Do not set task_ctx pointer during sched_in if there are no
events associated with the context.  Otherwise if during task
execution total number of events in the system will become zero
perf_event_context_sched_out() will not be called and cpuctx->task_ctx
will be left with a stale value.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111023171033.GI17571@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/events/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0e8457da6f95..b0c1186fd97b 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2173,7 +2173,8 @@ static void perf_event_context_sched_in(struct perf_event_context *ctx,
 
 	perf_event_sched_in(cpuctx, ctx, task);
 
-	cpuctx->task_ctx = ctx;
+	if (ctx->nr_events)
+		cpuctx->task_ctx = ctx;
 
 	perf_pmu_enable(ctx->pmu);
 	perf_ctx_unlock(cpuctx, ctx);
-- 
GitLab


From aa2bc1ade59003a379ffc485d6da2d92ea3370a6 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 9 Nov 2011 17:56:37 +0100
Subject: [PATCH 0482/1594] perf: Don't use -ENOSPC for out of PMU resources

People (Linus) objected to using -ENOSPC to signal not having enough
resources on the PMU to satisfy the request. Use -EINVAL.

Requested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-xv8geaz2zpbjhlx0svmpp28n@git.kernel.org
[ merged to newer kernel, fixed up MIPS impact ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/arm/kernel/perf_event.c         |  6 +++---
 arch/mips/kernel/perf_event_mipsxx.c |  8 ++++----
 arch/x86/kernel/cpu/perf_event.c     | 10 +++++-----
 arch/x86/kernel/cpu/perf_event_p4.c  |  2 +-
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 24e2347be6b1..ff17b17b668e 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -347,15 +347,15 @@ validate_group(struct perf_event *event)
 	memset(&fake_pmu, 0, sizeof(fake_pmu));
 
 	if (!validate_event(&fake_pmu, leader))
-		return -ENOSPC;
+		return -EINVAL;
 
 	list_for_each_entry(sibling, &leader->sibling_list, group_entry) {
 		if (!validate_event(&fake_pmu, sibling))
-			return -ENOSPC;
+			return -EINVAL;
 	}
 
 	if (!validate_event(&fake_pmu, event))
-		return -ENOSPC;
+		return -EINVAL;
 
 	return 0;
 }
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 4f2971bcf8e5..315fc0b250f8 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -623,7 +623,7 @@ static int mipspmu_event_init(struct perf_event *event)
 	if (!atomic_inc_not_zero(&active_events)) {
 		if (atomic_read(&active_events) > MIPS_MAX_HWEVENTS) {
 			atomic_dec(&active_events);
-			return -ENOSPC;
+			return -EINVAL;
 		}
 
 		mutex_lock(&pmu_reserve_mutex);
@@ -732,15 +732,15 @@ static int validate_group(struct perf_event *event)
 	memset(&fake_cpuc, 0, sizeof(fake_cpuc));
 
 	if (!validate_event(&fake_cpuc, leader))
-		return -ENOSPC;
+		return -EINVAL;
 
 	list_for_each_entry(sibling, &leader->sibling_list, group_entry) {
 		if (!validate_event(&fake_cpuc, sibling))
-			return -ENOSPC;
+			return -EINVAL;
 	}
 
 	if (!validate_event(&fake_cpuc, event))
-		return -ENOSPC;
+		return -EINVAL;
 
 	return 0;
 }
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 640891014b2a..ff0e8d498750 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -588,7 +588,7 @@ done:
 				x86_pmu.put_event_constraints(cpuc, cpuc->event_list[i]);
 		}
 	}
-	return num ? -ENOSPC : 0;
+	return num ? -EINVAL : 0;
 }
 
 /*
@@ -607,7 +607,7 @@ static int collect_events(struct cpu_hw_events *cpuc, struct perf_event *leader,
 
 	if (is_x86_event(leader)) {
 		if (n >= max_count)
-			return -ENOSPC;
+			return -EINVAL;
 		cpuc->event_list[n] = leader;
 		n++;
 	}
@@ -620,7 +620,7 @@ static int collect_events(struct cpu_hw_events *cpuc, struct perf_event *leader,
 			continue;
 
 		if (n >= max_count)
-			return -ENOSPC;
+			return -EINVAL;
 
 		cpuc->event_list[n] = event;
 		n++;
@@ -1316,7 +1316,7 @@ static int validate_event(struct perf_event *event)
 	c = x86_pmu.get_event_constraints(fake_cpuc, event);
 
 	if (!c || !c->weight)
-		ret = -ENOSPC;
+		ret = -EINVAL;
 
 	if (x86_pmu.put_event_constraints)
 		x86_pmu.put_event_constraints(fake_cpuc, event);
@@ -1341,7 +1341,7 @@ static int validate_group(struct perf_event *event)
 {
 	struct perf_event *leader = event->group_leader;
 	struct cpu_hw_events *fake_cpuc;
-	int ret = -ENOSPC, n;
+	int ret = -EINVAL, n;
 
 	fake_cpuc = allocate_fake_cpuc();
 	if (IS_ERR(fake_cpuc))
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 492bf1358a7c..ef484d9d0a25 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -1268,7 +1268,7 @@ reserve:
 	}
 
 done:
-	return num ? -ENOSPC : 0;
+	return num ? -EINVAL : 0;
 }
 
 static __initconst const struct x86_pmu p4_pmu = {
-- 
GitLab


From ed13ec58bfe0d5dc95f748e6118432cb0fa283cb Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 14 Nov 2011 10:03:25 +0100
Subject: [PATCH 0483/1594] perf/x86: Enable raw event access to Intel offcore
 events

Now that the core offcore support is fixed up (thanks Stephane) and we
have sane generic events utilizing them, re-enable the raw access to
the feature as well.

Note that it doesn't matter if you use event 0x1b7 or 0x1bb to specify
an offcore event, either one works and neither guarantees you'll end
up on a particular offcore MSR.

Based on original patch from: Vince Weaver <vweaver1@eecs.utk.edu>.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Vince Weaver <vweaver1@eecs.utk.edu>.
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/alpine.DEB.2.00.1108031200390.703@cl320.eecs.utk.edu
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index ff0e8d498750..2bda212a0010 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -312,12 +312,8 @@ int x86_setup_perfctr(struct perf_event *event)
 			return -EOPNOTSUPP;
 	}
 
-	/*
-	 * Do not allow config1 (extended registers) to propagate,
-	 * there's no sane user-space generalization yet:
-	 */
 	if (attr->type == PERF_TYPE_RAW)
-		return 0;
+		return x86_pmu_extra_regs(event->attr.config, event);
 
 	if (attr->type == PERF_TYPE_HW_CACHE)
 		return set_ext_hw_attr(hwc, event);
-- 
GitLab


From 78345d2edc25e001558f3b7c85906f645d38d23c Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin@rab.in>
Date: Thu, 27 Oct 2011 13:24:32 +0530
Subject: [PATCH 0484/1594] x86: Call stop_machine_text_poke() on all CPUs

It appears that stop_machine_text_poke() wants to be called on all CPUs,
like it's done from text_poke_smp().  Fix text_poke_smp_batch() to do
this.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Jason Baron <jbaron@redhat.com>
Link: http://lkml.kernel.org/r/1319702072-32676-1-git-send-email-rabin@rab.in
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/alternative.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index c63822816249..1f84794f0759 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -738,5 +738,5 @@ void __kprobes text_poke_smp_batch(struct text_poke_param *params, int n)
 
 	atomic_set(&stop_machine_first, 1);
 	wrote_text = 0;
-	__stop_machine(stop_machine_text_poke, (void *)&tpp, NULL);
+	__stop_machine(stop_machine_text_poke, (void *)&tpp, cpu_online_mask);
 }
-- 
GitLab


From b05e988ee89d03398bee7b0939a5743cd12fa387 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Mon, 14 Nov 2011 12:58:16 +0000
Subject: [PATCH 0485/1594] MAINTAINERS: The MIPS git tree has moved.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 MAINTAINERS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 4808256446f2..752b73113703 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4329,7 +4329,7 @@ MIPS
 M:	Ralf Baechle <ralf@linux-mips.org>
 L:	linux-mips@linux-mips.org
 W:	http://www.linux-mips.org/
-T:	git git://git.linux-mips.org/pub/scm/linux.git
+T:	git git://git.linux-mips.org/pub/scm/ralf/linux.git
 Q:	http://patchwork.linux-mips.org/project/linux-mips/list/
 S:	Supported
 F:	Documentation/mips/
-- 
GitLab


From 4af92e7a68af7b515d274f9d33b14b8a0804a0f6 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Thu, 10 Nov 2011 21:33:07 +0100
Subject: [PATCH 0486/1594] MIPS: lantiq: use export.h in favour of module.h

The code located at arch/mips/lantiq/ included module.h to be able to use
the EXPORT_SYMBOL* macros. These can now be directly included using
export.h.

Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2937/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/lantiq/clk.c            | 2 +-
 arch/mips/lantiq/devices.c        | 2 +-
 arch/mips/lantiq/prom.c           | 2 +-
 arch/mips/lantiq/setup.c          | 2 +-
 arch/mips/lantiq/xway/clk-ase.c   | 2 +-
 arch/mips/lantiq/xway/clk-xway.c  | 2 +-
 arch/mips/lantiq/xway/devices.c   | 2 +-
 arch/mips/lantiq/xway/dma.c       | 1 +
 arch/mips/lantiq/xway/gpio.c      | 2 +-
 arch/mips/lantiq/xway/gpio_ebu.c  | 2 +-
 arch/mips/lantiq/xway/gpio_stp.c  | 2 +-
 arch/mips/lantiq/xway/prom-ase.c  | 2 +-
 arch/mips/lantiq/xway/prom-xway.c | 2 +-
 arch/mips/lantiq/xway/reset.c     | 2 +-
 arch/mips/pci/pci-lantiq.c        | 1 +
 15 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
index 7e9c0ffc11a5..77ed70fc2fe5 100644
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -7,7 +7,7 @@
  * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  */
 #include <linux/io.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c
index 44a36771c819..de1cb2bcd79a 100644
--- a/arch/mips/lantiq/devices.c
+++ b/arch/mips/lantiq/devices.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 56ba007bf1e5..e34fcfd0d5ca 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -6,7 +6,7 @@
  * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/clk.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
diff --git a/arch/mips/lantiq/setup.c b/arch/mips/lantiq/setup.c
index 9b8af77ed0f9..1ff6c9d6cb93 100644
--- a/arch/mips/lantiq/setup.c
+++ b/arch/mips/lantiq/setup.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/lantiq/xway/clk-ase.c b/arch/mips/lantiq/xway/clk-ase.c
index 22d823acd536..652258309c9c 100644
--- a/arch/mips/lantiq/xway/clk-ase.c
+++ b/arch/mips/lantiq/xway/clk-ase.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/io.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/clk.h>
 
diff --git a/arch/mips/lantiq/xway/clk-xway.c b/arch/mips/lantiq/xway/clk-xway.c
index ddd39593c581..696b1a3e0642 100644
--- a/arch/mips/lantiq/xway/clk-xway.c
+++ b/arch/mips/lantiq/xway/clk-xway.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/io.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/clk.h>
 
diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c
index d0e32ab2ea07..d614aa7ff07f 100644
--- a/arch/mips/lantiq/xway/devices.c
+++ b/arch/mips/lantiq/xway/devices.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/mtd/physmap.h>
diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
index 4278a459d6c4..cbb6ae5747b9 100644
--- a/arch/mips/lantiq/xway/dma.c
+++ b/arch/mips/lantiq/xway/dma.c
@@ -19,6 +19,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/dma-mapping.h>
+#include <linux/export.h>
 
 #include <lantiq_soc.h>
 #include <xway_dma.h>
diff --git a/arch/mips/lantiq/xway/gpio.c b/arch/mips/lantiq/xway/gpio.c
index a321451a5455..d2fa98f3c78d 100644
--- a/arch/mips/lantiq/xway/gpio.c
+++ b/arch/mips/lantiq/xway/gpio.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/slab.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/ioport.h>
diff --git a/arch/mips/lantiq/xway/gpio_ebu.c b/arch/mips/lantiq/xway/gpio_ebu.c
index a479355abdb9..b91c7f17f10f 100644
--- a/arch/mips/lantiq/xway/gpio_ebu.c
+++ b/arch/mips/lantiq/xway/gpio_ebu.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
diff --git a/arch/mips/lantiq/xway/gpio_stp.c b/arch/mips/lantiq/xway/gpio_stp.c
index 67d59d690340..ff9991cddeaa 100644
--- a/arch/mips/lantiq/xway/gpio_stp.c
+++ b/arch/mips/lantiq/xway/gpio_stp.c
@@ -9,7 +9,7 @@
 
 #include <linux/slab.h>
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
diff --git a/arch/mips/lantiq/xway/prom-ase.c b/arch/mips/lantiq/xway/prom-ase.c
index abe49f4db57f..ae4959ae865c 100644
--- a/arch/mips/lantiq/xway/prom-ase.c
+++ b/arch/mips/lantiq/xway/prom-ase.c
@@ -6,7 +6,7 @@
  *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/clk.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
diff --git a/arch/mips/lantiq/xway/prom-xway.c b/arch/mips/lantiq/xway/prom-xway.c
index 1686692ac24d..2228133ca356 100644
--- a/arch/mips/lantiq/xway/prom-xway.c
+++ b/arch/mips/lantiq/xway/prom-xway.c
@@ -6,7 +6,7 @@
  *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/clk.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c
index a1be36d0e490..3d41f0bb5bf7 100644
--- a/arch/mips/lantiq/xway/reset.c
+++ b/arch/mips/lantiq/xway/reset.c
@@ -10,7 +10,7 @@
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/pm.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <asm/reboot.h>
 
 #include <lantiq_soc.h>
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index 8656388b34bd..be1e1afe12c3 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -13,6 +13,7 @@
 #include <linux/delay.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 
 #include <asm/pci.h>
-- 
GitLab


From e5a44df85e8d78e5c2d3d2e4f59b460905691e2f Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Fri, 11 Nov 2011 11:14:23 -0500
Subject: [PATCH 0487/1594] [SCSI] hpsa: Disable ASPM

The Windows driver .inf disables ASPM on hpsa devices. Do the same because the
selection of a non default ASPM policy can cause the device to hang.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: stable@kernel.org
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/hpsa.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index e76107b2ade3..865d452542be 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -23,6 +23,7 @@
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -3922,6 +3923,10 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
 		dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
 		return -ENODEV;
 	}
+
+	pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+			       PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+
 	err = pci_enable_device(h->pdev);
 	if (err) {
 		dev_warn(&h->pdev->dev, "unable to enable PCI device\n");
-- 
GitLab


From 4cac2eb158c6da0c761689345c6cc5df788a6292 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Tue, 23 Aug 2011 10:16:43 -0600
Subject: [PATCH 0488/1594] PCI hotplug: shpchp: don't blindly claim non-AMD
 0x7450 device IDs

Previously we claimed device ID 0x7450, regardless of the vendor, which is
clearly wrong.  Now we'll claim that device ID only for AMD.

I suspect this was just a typo in the original code, but it's possible this
change will break shpchp on non-7450 AMD bridges.  If so, we'll have to fix
them as we find them.

Reference: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=638863
Reported-by: Ralf Jung <ralfjung-e@gmx.de>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/shpchp_core.c | 4 ++--
 drivers/pci/hotplug/shpchp_hpc.c  | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index aca972bbfb4c..dd7e0c51a33e 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -278,8 +278,8 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
 
 static int is_shpc_capable(struct pci_dev *dev)
 {
-	if ((dev->vendor == PCI_VENDOR_ID_AMD) || (dev->device ==
-						PCI_DEVICE_ID_AMD_GOLAM_7450))
+	if (dev->vendor == PCI_VENDOR_ID_AMD &&
+	    dev->device == PCI_DEVICE_ID_AMD_GOLAM_7450)
 		return 1;
 	if (!pci_find_capability(dev, PCI_CAP_ID_SHPC))
 		return 0;
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 36547f0ce305..75ba2311b54f 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -944,8 +944,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 	ctrl->pci_dev = pdev;  /* pci_dev of the P2P bridge */
 	ctrl_dbg(ctrl, "Hotplug Controller:\n");
 
-	if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device ==
-				PCI_DEVICE_ID_AMD_GOLAM_7450)) {
+	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+	    pdev->device == PCI_DEVICE_ID_AMD_GOLAM_7450) {
 		/* amd shpc driver doesn't use Base Offset; assume 0 */
 		ctrl->mmio_base = pci_resource_start(pdev, 0);
 		ctrl->mmio_size = pci_resource_len(pdev, 0);
-- 
GitLab


From e0ce42e19ce1978a5aee33b2954d7e1a730e88c4 Mon Sep 17 00:00:00 2001
From: Liu Gang <Gang.Liu@freescale.com>
Date: Fri, 11 Nov 2011 21:48:28 +0800
Subject: [PATCH 0489/1594] fsl-rio: fix compile error

The "#include <linux/module.h>" was replaced by "#include <linux/export.h>"
in the patch "powerpc: various straight conversions from module.h --> export.h".
This will cause the following compile problem:
arch/powerpc/sysdev/fsl_rio.c: In function 'fsl_rio_mcheck_exception':
arch/powerpc/sysdev/fsl_rio.c:296: error: implicit declaration of function 'search_exception_tables'.

The file fsl_rio.c needs the declaration of function "search_exception_tables"
in the header file "linux/module.h".

Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 arch/powerpc/sysdev/fsl_rio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index de170fd5ba4e..22ffccd8bef5 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -23,7 +23,7 @@
  */
 
 #include <linux/init.h>
-#include <linux/export.h>
+#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/dma-mapping.h>
 #include <linux/interrupt.h>
-- 
GitLab


From 4a5f4dd8595a3d3cdf75db7247b644ae37f5d460 Mon Sep 17 00:00:00 2001
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Mon, 14 Nov 2011 14:25:36 -0500
Subject: [PATCH 0490/1594] mlx4_en: Remove FCS bytes from packet length.

When HW doesn't remove FCS bytes they are reported in the completion
byte count, we don't need to take them to skb.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/mellanox/mlx4/en_rx.c   | 6 +++++-
 drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index b89c36dbf5b3..c2df6c358603 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -581,6 +581,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
 		 * Packet is OK - process it.
 		 */
 		length = be32_to_cpu(cqe->byte_cnt);
+		length -= ring->fcs_del;
 		ring->bytes += length;
 		ring->packets++;
 
@@ -813,8 +814,11 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
 	context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
 
 	/* Cancel FCS removal if FW allows */
-	if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)
+	if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) {
 		context->param3 |= cpu_to_be32(1 << 29);
+		ring->fcs_del = ETH_FCS_LEN;
+	} else
+		ring->fcs_del = 0;
 
 	err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, context, qp, state);
 	if (err) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 8fda331c65df..207b5add3ca8 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -272,6 +272,7 @@ struct mlx4_en_rx_ring {
 	u32 prod;
 	u32 cons;
 	u32 buf_size;
+	u8  fcs_del;
 	void *buf;
 	void *rx_info;
 	unsigned long bytes;
-- 
GitLab


From a32fd63dbf15f70cafd30b306c31f117129c57f2 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Mon, 14 Nov 2011 05:01:18 +0000
Subject: [PATCH 0491/1594] NET: MIPS: lantiq: fix etop compile error

The Lantiq ETOP ethernet driver fails to build in 3.2-rc1 due to 2 missing
header files.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/lantiq_etop.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index 6bb2b9506cad..0b3567ab8121 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -34,6 +34,8 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
 
 #include <asm/checksum.h>
 
-- 
GitLab


From 1d91a96268a0b2d7301c3ee67a784b712f34010f Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Thu, 8 Sep 2011 14:11:17 +0300
Subject: [PATCH 0492/1594] usb: gadget: udc-core: fix bug on soft_connect and
 srp interfaces

We should not be using dev_get_drvdata() because we
never call dev_set_drvdata(). Let's use container_of()
as all other sysfs attributes.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/udc-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 022baeca7c94..31e410bbe55a 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(usb_gadget_unregister_driver);
 static ssize_t usb_udc_srp_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t n)
 {
-	struct usb_udc		*udc = dev_get_drvdata(dev);
+	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);
 
 	if (sysfs_streq(buf, "1"))
 		usb_gadget_wakeup(udc->gadget);
-- 
GitLab


From 3c2d636a1c6f1f84adf77737ca716f956595ae80 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Sun, 2 Oct 2011 21:46:47 +0300
Subject: [PATCH 0493/1594] usb: musb: gadget: don't call ->disconnect() on
 exit

that has already being done by udc-core.c. It's
unnecessary and might cause issues with some gadget
drivers.

Tested: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musb_gadget.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index ae4a20acef6c..d51043acfe1a 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1999,10 +1999,6 @@ static void stop_activity(struct musb *musb, struct usb_gadget_driver *driver)
 					nuke(&hw_ep->ep_out, -ESHUTDOWN);
 			}
 		}
-
-		spin_unlock(&musb->lock);
-		driver->disconnect(&musb->g);
-		spin_lock(&musb->lock);
 	}
 }
 
-- 
GitLab


From 6f39504de55ef69bb8d9d0a645949c5d0407faab Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Mon, 3 Oct 2011 16:39:30 +0300
Subject: [PATCH 0494/1594] usb: gadget: core: fix bug when removing gadget
 drivers

usb_gadget_disconnect() is responsible of removing
data pullups. Before doing that we must, first, tell
gadget driver we're disconnecting (by calling disconnect
method on gadget driver structure), unbind the gadget
driver and stop the controller.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/udc-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 31e410bbe55a..4c5ff14a7c61 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -210,10 +210,10 @@ static void usb_gadget_remove_driver(struct usb_udc *udc)
 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
 
 	if (udc_is_newstyle(udc)) {
-		usb_gadget_disconnect(udc->gadget);
+		udc->driver->disconnect(udc->gadget);
 		udc->driver->unbind(udc->gadget);
 		usb_gadget_udc_stop(udc->gadget, udc->driver);
-
+		usb_gadget_disconnect(udc->gadget);
 	} else {
 		usb_gadget_stop(udc->gadget, udc->driver);
 	}
-- 
GitLab


From 59d81f8139bff0c2a94971ceec41edd42f16ed47 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Mon, 3 Oct 2011 16:43:56 +0300
Subject: [PATCH 0495/1594] usb: gadget: core: allow everybody to read sysfs
 attributes

Those are simply giving information about the current
state of the UDC, nothing really fancy. We can let
everybody read those.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/udc-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 4c5ff14a7c61..6939e17f4580 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -378,7 +378,7 @@ static ssize_t usb_udc_speed_show(struct device *dev,
 	return snprintf(buf, PAGE_SIZE, "%s\n",
 			usb_speed_string(udc->gadget->speed));
 }
-static DEVICE_ATTR(speed, S_IRUSR, usb_udc_speed_show, NULL);
+static DEVICE_ATTR(speed, S_IRUGO, usb_udc_speed_show, NULL);
 
 #define USB_UDC_ATTR(name)					\
 ssize_t usb_udc_##name##_show(struct device *dev,		\
@@ -389,7 +389,7 @@ ssize_t usb_udc_##name##_show(struct device *dev,		\
 								\
 	return snprintf(buf, PAGE_SIZE, "%d\n", gadget->name);	\
 }								\
-static DEVICE_ATTR(name, S_IRUSR, usb_udc_##name##_show, NULL)
+static DEVICE_ATTR(name, S_IRUGO, usb_udc_##name##_show, NULL)
 
 static USB_UDC_ATTR(is_dualspeed);
 static USB_UDC_ATTR(is_otg);
-- 
GitLab


From d06785942de066992a3b6a570829097c23c327aa Mon Sep 17 00:00:00 2001
From: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Date: Tue, 1 Nov 2011 08:37:40 +0100
Subject: [PATCH 0496/1594] usb: musb: remove incorrectly added ARCH_U5500
 define

ARCH_U8500 covers both MACH_U8500 and MACH_U5500

Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/Kconfig     | 2 +-
 drivers/usb/musb/musb_core.c | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index fc34b8b11910..e1187242a34e 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -60,7 +60,7 @@ config USB_MUSB_BLACKFIN
 
 config USB_MUSB_UX500
 	tristate "U8500 and U5500"
-	depends on (ARCH_U8500 && AB8500_USB) || (ARCH_U5500)
+	depends on (ARCH_U8500 && AB8500_USB)
 
 endchoice
 
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 20a28731c338..c1fa12ec7a9a 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1477,8 +1477,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_SOC_OMAP3430) || \
-	defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500) || \
-	defined(CONFIG_ARCH_U5500)
+	defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500)
 
 static irqreturn_t generic_interrupt(int irq, void *__hci)
 {
-- 
GitLab


From 0de174b56ba70e5c0a26de9b5d2889260164d666 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <coelho@ti.com>
Date: Wed, 2 Nov 2011 12:17:59 +0200
Subject: [PATCH 0497/1594] usb: musb: hdrc: fix dependency on
 USB_GADGET_DUALSPEED in Kconfig

USB_MUSB_HDRC depends on USB_GADGET_DUALSPEED.  If HDRC is selected
but DUALSPEED is not, the kernel oopses:

[    3.132781] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[    3.141296] pgd = c0004000
[    3.144134] [00000000] *pgd=00000000
[    3.147918] Internal error: Oops: 5 [#1] SMP
[    3.152404] Modules linked in:
[    3.155609] CPU: 0    Not tainted  (3.1.0-rc9-wl+ #417)
[    3.161132] PC is at composite_setup+0x738/0xbb4
[    3.165985] LR is at vprintk+0x400/0x47c
[    3.170135] pc : [<c031df90>]    lr : [<c004c150>]    psr: 60000093
[    3.170135] sp : c065dd50  ip : dfb1f0fc  fp : c065ddbc
[    3.182220] r10: 00000000  r9 : df8fcae8  r8 : df8fcaa0
[    3.187713] r7 : 00000000  r6 : df8eaa20  r5 : dfae8ea0  r4 : 00000000
[    3.194580] r3 : df8fcae8  r2 : 00010002  r1 : c065dc40  r0 : 00000047
[    3.201446] Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[    3.209228] Control: 10c53c7d  Table: 8000404a  DAC: 00000015
[    3.215270] Process swapper (pid: 0, stack limit = 0xc065c2f8)
[    3.221405] Stack: (0xc065dd50 to 0xc065e000)
[...]
[    3.415405] [<c031df90>] (composite_setup+0x738/0xbb4) from [<c0310d18>] (musb_g_ep0_irq+0x9d0/0xaf8)
[    3.425109] [<c0310d18>] (musb_g_ep0_irq+0x9d0/0xaf8) from [<c030fb04>] (musb_interrupt+0xb48/0xc74)
[    3.434722] [<c030fb04>] (musb_interrupt+0xb48/0xc74) from [<c030fc98>] (generic_interrupt+0x68/0x80)
[    3.444458] [<c030fc98>] (generic_interrupt+0x68/0x80) from [<c0095204>] (handle_irq_event_percpu+0x9c/0x234)
[    3.454925] [<c0095204>] (handle_irq_event_percpu+0x9c/0x234) from [<c00953e8>] (handle_irq_event+0x4c/0x6c)
[    3.465270] [<c00953e8>] (handle_irq_event+0x4c/0x6c) from [<c0097e10>] (handle_fasteoi_irq+0xd8/0x110)
[    3.475158] [<c0097e10>] (handle_fasteoi_irq+0xd8/0x110) from [<c0094d2c>] (generic_handle_irq+0x34/0x3c)
[    3.485260] [<c0094d2c>] (generic_handle_irq+0x34/0x3c) from [<c0014ae4>] (handle_IRQ+0x88/0xc8)
[    3.494537] [<c0014ae4>] (handle_IRQ+0x88/0xc8) from [<c00085b0>] (asm_do_IRQ+0x18/0x1c)
[    3.503051] [<c00085b0>] (asm_do_IRQ+0x18/0x1c) from [<c0429e78>] (__irq_svc+0x38/0xc0)

This patch changes Kconfig so that USB_GADGET_DUALSPEED is selected
automatically by USB_MUSB_HDRC.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index e1187242a34e..07a03460a598 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -11,6 +11,7 @@ config USB_MUSB_HDRC
 	select TWL4030_USB if MACH_OMAP_3430SDP
 	select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA
 	select USB_OTG_UTILS
+	select USB_GADGET_DUALSPEED
 	tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
 	help
 	  Say Y here if your system has a dual role high speed USB
-- 
GitLab


From b8cbbf803d5ad0971665dd502d784148464c6d1a Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Date: Mon, 31 Oct 2011 16:01:29 +0900
Subject: [PATCH 0498/1594] usb: gadget: r8a66597-udc: fix for udc-newstyle

The udc-newstyle needs device_register in probe() of platform_device.
If it doesn't call, kernel panic happens in the sysfs_create_dir() when
we run modprobe a gadget driver.

[ balbi@ti.com : fix compile warning introduced by this patch ]

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/r8a66597-udc.c | 28 +++++++++-------------------
 1 file changed, 9 insertions(+), 19 deletions(-)

diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 68a826a1b866..38f99887b935 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1742,7 +1742,6 @@ static int r8a66597_start(struct usb_gadget *gadget,
 		struct usb_gadget_driver *driver)
 {
 	struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
-	int retval;
 
 	if (!driver
 			|| driver->speed != USB_SPEED_HIGH
@@ -1752,16 +1751,7 @@ static int r8a66597_start(struct usb_gadget *gadget,
 		return -ENODEV;
 
 	/* hook up the driver */
-	driver->driver.bus = NULL;
 	r8a66597->driver = driver;
-	r8a66597->gadget.dev.driver = &driver->driver;
-
-	retval = device_add(&r8a66597->gadget.dev);
-	if (retval) {
-		dev_err(r8a66597_to_dev(r8a66597), "device_add error (%d)\n",
-			retval);
-		goto error;
-	}
 
 	init_controller(r8a66597);
 	r8a66597_bset(r8a66597, VBSE, INTENB0);
@@ -1775,12 +1765,6 @@ static int r8a66597_start(struct usb_gadget *gadget,
 	}
 
 	return 0;
-
-error:
-	r8a66597->driver = NULL;
-	r8a66597->gadget.dev.driver = NULL;
-
-	return retval;
 }
 
 static int r8a66597_stop(struct usb_gadget *gadget,
@@ -1794,7 +1778,6 @@ static int r8a66597_stop(struct usb_gadget *gadget,
 	disable_controller(r8a66597);
 	spin_unlock_irqrestore(&r8a66597->lock, flags);
 
-	device_del(&r8a66597->gadget.dev);
 	r8a66597->driver = NULL;
 	return 0;
 }
@@ -1845,6 +1828,7 @@ static int __exit r8a66597_remove(struct platform_device *pdev)
 		clk_put(r8a66597->clk);
 	}
 #endif
+	device_unregister(&r8a66597->gadget.dev);
 	kfree(r8a66597);
 	return 0;
 }
@@ -1924,13 +1908,17 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 	r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
 
 	r8a66597->gadget.ops = &r8a66597_gadget_ops;
-	device_initialize(&r8a66597->gadget.dev);
 	dev_set_name(&r8a66597->gadget.dev, "gadget");
 	r8a66597->gadget.is_dualspeed = 1;
 	r8a66597->gadget.dev.parent = &pdev->dev;
 	r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask;
 	r8a66597->gadget.dev.release = pdev->dev.release;
 	r8a66597->gadget.name = udc_name;
+	ret = device_register(&r8a66597->gadget.dev);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "device_register failed\n");
+		goto clean_up;
+	}
 
 	init_timer(&r8a66597->timer);
 	r8a66597->timer.function = r8a66597_timer;
@@ -1945,7 +1933,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 			dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
 				clk_name);
 			ret = PTR_ERR(r8a66597->clk);
-			goto clean_up;
+			goto clean_up_dev;
 		}
 		clk_enable(r8a66597->clk);
 	}
@@ -2014,7 +2002,9 @@ clean_up2:
 		clk_disable(r8a66597->clk);
 		clk_put(r8a66597->clk);
 	}
+clean_up_dev:
 #endif
+	device_unregister(&r8a66597->gadget.dev);
 clean_up:
 	if (r8a66597) {
 		if (r8a66597->sudmac_reg)
-- 
GitLab


From 05bb7013038a2b609aef14ad4e07afe031daec49 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Date: Mon, 31 Oct 2011 16:01:33 +0900
Subject: [PATCH 0499/1594] usb: gadget: r8a66597-udc: fix flush fifo handling

The "BCLR" in CFIFOCTR/DnFIFOCTR can flush the fifo of "CPU side" only.
To flush the fifo of "SIE side", we have to use the "ACLRM" in PIPEnCTR.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/r8a66597-udc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 38f99887b935..24f84b210ce1 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1718,6 +1718,8 @@ static void r8a66597_fifo_flush(struct usb_ep *_ep)
 	if (list_empty(&ep->queue) && !ep->busy) {
 		pipe_stop(ep->r8a66597, ep->pipenum);
 		r8a66597_bclr(ep->r8a66597, BCLR, ep->fifoctr);
+		r8a66597_write(ep->r8a66597, ACLRM, ep->pipectr);
+		r8a66597_write(ep->r8a66597, 0, ep->pipectr);
 	}
 	spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
 }
-- 
GitLab


From 0e042be348b864a57a8a452aaa7ec49be5fb9e59 Mon Sep 17 00:00:00 2001
From: Alexander Aring <a.aring@phytec.de>
Date: Fri, 4 Nov 2011 16:16:26 +0100
Subject: [PATCH 0500/1594] usb: gadget: fsl_udc_core: fix compile error.

Fix compile error in file drivers/usb/gadget/fsl_udc_core.c.

drivers/usb/gadget/fsl_udc_core.c: In function 'portscx_device_speed':
drivers/usb/gadget/fsl_udc_core.c:1720: error: 'speed' undeclared (first
use in this function)

Introduced in commit e538dfdae85244fd2c4231725d82cc1f1bc4942c
(usb: Provide usb_speed_string() function)

Signed-off-by: Alexander Aring <a.aring@phytec.de>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_udc_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index b2c44e1d5813..d786ba31fc07 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1717,7 +1717,7 @@ static void dtd_complete_irq(struct fsl_udc *udc)
 
 static inline enum usb_device_speed portscx_device_speed(u32 reg)
 {
-	switch (speed & PORTSCX_PORT_SPEED_MASK) {
+	switch (reg & PORTSCX_PORT_SPEED_MASK) {
 	case PORTSCX_PORT_SPEED_HIGH:
 		return USB_SPEED_HIGH;
 	case PORTSCX_PORT_SPEED_FULL:
-- 
GitLab


From 7fccd480b7fe84a98ee252fa79dd92f7fff5ec2a Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Sun, 23 Oct 2011 22:55:54 -0700
Subject: [PATCH 0501/1594] usb: gadget: renesas_usbhs: fixup struct completion
 usage

Since renesas_usbhs mod_host didn't use
struct completion as static object, the warning of lockdep came out.
This patch fixup this issue.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/mod_host.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 1a7208a50afc..9b8886867f4a 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -103,7 +103,7 @@ struct usbhsh_hpriv {
 
 	u32	port_stat;	/* USB_PORT_STAT_xxx */
 
-	struct completion	*done;
+	struct completion	setup_ack_done;
 
 	/* see usbhsh_req_alloc/free */
 	struct list_head	ureq_link_active;
@@ -549,8 +549,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv,
 	 *	usbhsh_irq_setup_ack()
 	 *	usbhsh_irq_setup_err()
 	 */
-	DECLARE_COMPLETION(done);
-	hpriv->done = &done;
+	init_completion(&hpriv->setup_ack_done);
 
 	/* copy original request */
 	memcpy(&req, urb->setup_packet, sizeof(struct usb_ctrlrequest));
@@ -572,8 +571,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv,
 	/*
 	 * wait setup packet ACK
 	 */
-	wait_for_completion(&done);
-	hpriv->done = NULL;
+	wait_for_completion(&hpriv->setup_ack_done);
 
 	dev_dbg(dev, "%s done\n", __func__);
 }
@@ -1095,10 +1093,7 @@ static int usbhsh_irq_setup_ack(struct usbhs_priv *priv,
 
 	dev_dbg(dev, "setup packet OK\n");
 
-	if (unlikely(!hpriv->done))
-		dev_err(dev, "setup ack happen without necessary data\n");
-	else
-		complete(hpriv->done); /* see usbhsh_urb_enqueue() */
+	complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */
 
 	return 0;
 }
@@ -1111,10 +1106,7 @@ static int usbhsh_irq_setup_err(struct usbhs_priv *priv,
 
 	dev_dbg(dev, "setup packet Err\n");
 
-	if (unlikely(!hpriv->done))
-		dev_err(dev, "setup err happen without necessary data\n");
-	else
-		complete(hpriv->done); /* see usbhsh_urb_enqueue() */
+	complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */
 
 	return 0;
 }
@@ -1279,7 +1271,6 @@ int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv)
 	hpriv->mod.stop		= usbhsh_stop;
 	hpriv->pipe_info	= pipe_info;
 	hpriv->pipe_size	= pipe_size;
-	hpriv->done		= NULL;
 	usbhsh_req_list_init(hpriv);
 	usbhsh_port_stat_init(hpriv);
 
-- 
GitLab


From c9ae0c91b920a7ba91725d170aa023be8c12db7b Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed, 26 Oct 2011 01:21:07 -0700
Subject: [PATCH 0502/1594] usb: gadget: renesas_usbhs: fixup bogus conversion

this patch fixup bogus conversion of
8a9775ab71218690ac34bed9e237e2b968857d3a
(usb: gadget: renesas_usbhs: fix compile warning)

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/fifo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 8da685e796d1..ffdf5d15085e 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -820,7 +820,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done)
 	if (len % 4) /* 32bit alignment */
 		goto usbhsf_pio_prepare_push;
 
-	if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
+	if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
 		goto usbhsf_pio_prepare_push;
 
 	/* get enable DMA fifo */
@@ -897,7 +897,7 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done)
 	if (!fifo)
 		goto usbhsf_pio_prepare_pop;
 
-	if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
+	if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
 		goto usbhsf_pio_prepare_pop;
 
 	ret = usbhsf_fifo_select(pipe, fifo, 0);
-- 
GitLab


From b7a8d17db9a86db1040862600cf3a02848f83844 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed, 26 Oct 2011 19:33:49 -0700
Subject: [PATCH 0503/1594] usb: gadget: renesas_usbhs: fixup section mismatch
 warning

Fix up the following section mismatch warnings:

WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0xf5d): Section
mismatch in reference from the function usbhs_mod_probe() to the function
.devinit.text:usbhs_mod_host_probe() The function usbhs_mod_probe() references
the function __devinit usbhs_mod_host_probe().  This is often because
usbhs_mod_probe lacks a __devinit annotation or the annotation of
usbhs_mod_host_probe is wrong.

WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0xfd7): Section
mismatch in reference from the function usbhs_mod_probe() to the function
.devexit.text:usbhs_mod_host_remove() The function usbhs_mod_probe() references
a function in an exit section.  Often the function usbhs_mod_host_remove() has
valid usage outside the exit section and the fix is to remove the __devexit
annotation of usbhs_mod_host_remove.

WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0x1005): Section
mismatch in reference from the function usbhs_mod_remove() to the function
.devexit.text:usbhs_mod_host_remove() The function usbhs_mod_remove()
references a function in an exit section.  Often the function
usbhs_mod_host_remove() has valid usage outside the exit section and the fix is
to remove the __devexit annotation of usbhs_mod_host_remove.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/common.c     | 2 +-
 drivers/usb/renesas_usbhs/mod.h        | 8 ++++----
 drivers/usb/renesas_usbhs/mod_gadget.c | 4 ++--
 drivers/usb/renesas_usbhs/mod_host.c   | 4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index d2e2efaba658..08c679c0dde5 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -405,7 +405,7 @@ int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev)
 /*
  *		platform functions
  */
-static int __devinit usbhs_probe(struct platform_device *pdev)
+static int usbhs_probe(struct platform_device *pdev)
 {
 	struct renesas_usbhs_platform_info *info = pdev->dev.platform_data;
 	struct renesas_usbhs_driver_callback *dfunc;
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
index 8ae3733031cd..6c6875533f01 100644
--- a/drivers/usb/renesas_usbhs/mod.h
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -143,8 +143,8 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod);
  */
 #if	defined(CONFIG_USB_RENESAS_USBHS_HCD) || \
 	defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE)
-extern int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv);
-extern int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv);
+extern int usbhs_mod_host_probe(struct usbhs_priv *priv);
+extern int usbhs_mod_host_remove(struct usbhs_priv *priv);
 #else
 static inline int usbhs_mod_host_probe(struct usbhs_priv *priv)
 {
@@ -157,8 +157,8 @@ static inline void usbhs_mod_host_remove(struct usbhs_priv *priv)
 
 #if	defined(CONFIG_USB_RENESAS_USBHS_UDC) || \
 	defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE)
-extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv);
-extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv);
+extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv);
+extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv);
 #else
 static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 {
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 4cc7ee0babc6..d9717e0bc1ff 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -830,7 +830,7 @@ static int usbhsg_stop(struct usbhs_priv *priv)
 	return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED);
 }
 
-int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv)
+int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 {
 	struct usbhsg_gpriv *gpriv;
 	struct usbhsg_uep *uep;
@@ -927,7 +927,7 @@ usbhs_mod_gadget_probe_err_gpriv:
 	return ret;
 }
 
-void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv)
+void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
 {
 	struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
 
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 9b8886867f4a..b964f25ebdb7 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -1227,7 +1227,7 @@ static int usbhsh_stop(struct usbhs_priv *priv)
 	return 0;
 }
 
-int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv)
+int usbhs_mod_host_probe(struct usbhs_priv *priv)
 {
 	struct usbhsh_hpriv *hpriv;
 	struct usb_hcd *hcd;
@@ -1290,7 +1290,7 @@ usbhs_mod_host_probe_err:
 	return -ENOMEM;
 }
 
-int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv)
+int usbhs_mod_host_remove(struct usbhs_priv *priv)
 {
 	struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
 	struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
-- 
GitLab


From db332bc9b26bbd79a37241721cccc9919489d5a9 Mon Sep 17 00:00:00 2001
From: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
Date: Thu, 13 Oct 2011 17:46:36 -0700
Subject: [PATCH 0504/1594] usb: gadget: storage: check for valid
 USB_BULK_GET_MAX_LUN_REQUEST

The latest USB-IF CV tester checks for a valid length for this
request.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/f_mass_storage.c | 3 ++-
 drivers/usb/gadget/file_storage.c   | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 52583a235330..dfd0044cc15a 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -639,7 +639,8 @@ static int fsg_setup(struct usb_function *f,
 		if (ctrl->bRequestType !=
 		    (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE))
 			break;
-		if (w_index != fsg->interface_number || w_value != 0)
+		if (w_index != fsg->interface_number || w_value != 0 ||
+				w_length != 1)
 			return -EDOM;
 		VDBG(fsg, "get max LUN\n");
 		*(u8 *)req->buf = fsg->common->nluns - 1;
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index f7e39b0365ce..4314cf201420 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -875,7 +875,7 @@ static int class_setup_req(struct fsg_dev *fsg,
 			if (ctrl->bRequestType != (USB_DIR_IN |
 					USB_TYPE_CLASS | USB_RECIP_INTERFACE))
 				break;
-			if (w_index != 0 || w_value != 0) {
+			if (w_index != 0 || w_value != 0 || w_length != 1) {
 				value = -EDOM;
 				break;
 			}
-- 
GitLab


From ce7b6121851c72d661134d113a78161095e0ae73 Mon Sep 17 00:00:00 2001
From: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
Date: Wed, 26 Oct 2011 12:07:54 -0700
Subject: [PATCH 0505/1594] usb: gadget: storage: check for valid
 USB_BULK_RESET_REQUEST wLength

The USB-IF CV compliance tester is getting stricter, and it would
be valid for it to fail a mass-storage device that accepts an
invalid USB_BULK_RESET_REQUEST request. Although it doesn't do
that yet, let's be proactive and fix that now.

Suggested by Alan Stern.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/f_mass_storage.c | 3 ++-
 drivers/usb/gadget/file_storage.c   | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index dfd0044cc15a..c39d58860fa0 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -624,7 +624,8 @@ static int fsg_setup(struct usb_function *f,
 		if (ctrl->bRequestType !=
 		    (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE))
 			break;
-		if (w_index != fsg->interface_number || w_value != 0)
+		if (w_index != fsg->interface_number || w_value != 0 ||
+				w_length != 0)
 			return -EDOM;
 
 		/*
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 4314cf201420..11b5196284ae 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -859,7 +859,7 @@ static int class_setup_req(struct fsg_dev *fsg,
 			if (ctrl->bRequestType != (USB_DIR_OUT |
 					USB_TYPE_CLASS | USB_RECIP_INTERFACE))
 				break;
-			if (w_index != 0 || w_value != 0) {
+			if (w_index != 0 || w_value != 0 || w_length != 0) {
 				value = -EDOM;
 				break;
 			}
-- 
GitLab


From 74203de067ae5c71526168b597088022836e31d3 Mon Sep 17 00:00:00 2001
From: Daniel Mack <zonque@gmail.com>
Date: Sat, 15 Oct 2011 13:45:05 +0200
Subject: [PATCH 0506/1594] usb: gadget: fix MIDI gadget jack allocation

The dynamic jack allocation of the MIDI gadget currently links all
external jacks to one single instance of an embedded jack. According to
the spec, this is only valid if these streams always carry the same data
stream, as described in the USB MIDI 1.0 spec, chapter 3.3.1.

Also, genius Windows 7(tm) terminates it's life cycle instantly with a
blue screen of death once a device with more than one input and output
port with the current implementation is connected.

While at it, and because it grew again by this change, allocate the
temporary function pointer list on the heap, not on the stack.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/f_midi.c | 138 +++++++++++++++++-------------------
 1 file changed, 65 insertions(+), 73 deletions(-)

diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c
index 67b222908cf9..3797b3d6c622 100644
--- a/drivers/usb/gadget/f_midi.c
+++ b/drivers/usb/gadget/f_midi.c
@@ -95,7 +95,6 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req);
 
 DECLARE_UAC_AC_HEADER_DESCRIPTOR(1);
 DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(1);
-DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(16);
 DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(16);
 
 /* B.3.1  Standard AC Interface Descriptor */
@@ -140,26 +139,6 @@ static struct usb_ms_header_descriptor ms_header_desc __initdata = {
 	/* .wTotalLength =	DYNAMIC */
 };
 
-/* B.4.3  Embedded MIDI IN Jack Descriptor */
-static struct usb_midi_in_jack_descriptor jack_in_emb_desc = {
-	.bLength =	      USB_DT_MIDI_IN_SIZE,
-	.bDescriptorType =      USB_DT_CS_INTERFACE,
-	.bDescriptorSubtype =   USB_MS_MIDI_IN_JACK,
-	.bJackType =	    USB_MS_EMBEDDED,
-	/* .bJackID =		DYNAMIC */
-};
-
-/* B.4.4  Embedded MIDI OUT Jack Descriptor */
-static struct usb_midi_out_jack_descriptor_16 jack_out_emb_desc = {
-	/* .bLength =		DYNAMIC */
-	.bDescriptorType =	USB_DT_CS_INTERFACE,
-	.bDescriptorSubtype =	USB_MS_MIDI_OUT_JACK,
-	.bJackType =		USB_MS_EMBEDDED,
-	/* .bJackID =		DYNAMIC */
-	/* .bNrInputPins =	DYNAMIC */
-	/* .pins =		DYNAMIC */
-};
-
 /* B.5.1  Standard Bulk OUT Endpoint Descriptor */
 static struct usb_endpoint_descriptor bulk_out_desc = {
 	.bLength =		USB_DT_ENDPOINT_AUDIO_SIZE,
@@ -758,9 +737,11 @@ fail:
 static int __init
 f_midi_bind(struct usb_configuration *c, struct usb_function *f)
 {
-	struct usb_descriptor_header *midi_function[(MAX_PORTS * 2) + 12];
+	struct usb_descriptor_header **midi_function;
 	struct usb_midi_in_jack_descriptor jack_in_ext_desc[MAX_PORTS];
+	struct usb_midi_in_jack_descriptor jack_in_emb_desc[MAX_PORTS];
 	struct usb_midi_out_jack_descriptor_1 jack_out_ext_desc[MAX_PORTS];
+	struct usb_midi_out_jack_descriptor_1 jack_out_emb_desc[MAX_PORTS];
 	struct usb_composite_dev *cdev = c->cdev;
 	struct f_midi *midi = func_to_midi(f);
 	int status, n, jack = 1, i = 0;
@@ -798,6 +779,14 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f)
 		goto fail;
 	midi->out_ep->driver_data = cdev;	/* claim */
 
+	/* allocate temporary function list */
+	midi_function = kcalloc((MAX_PORTS * 4) + 9, sizeof(midi_function),
+				GFP_KERNEL);
+	if (!midi_function) {
+		status = -ENOMEM;
+		goto fail;
+	}
+
 	/*
 	 * construct the function's descriptor set. As the number of
 	 * input and output MIDI ports is configurable, we have to do
@@ -811,73 +800,74 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f)
 
 	/* calculate the header's wTotalLength */
 	n = USB_DT_MS_HEADER_SIZE
-		+ (1 + midi->in_ports) * USB_DT_MIDI_IN_SIZE
-		+ (1 + midi->out_ports) * USB_DT_MIDI_OUT_SIZE(1);
+		+ (midi->in_ports + midi->out_ports) *
+			(USB_DT_MIDI_IN_SIZE + USB_DT_MIDI_OUT_SIZE(1));
 	ms_header_desc.wTotalLength = cpu_to_le16(n);
 
 	midi_function[i++] = (struct usb_descriptor_header *) &ms_header_desc;
 
-	/* we have one embedded IN jack */
-	jack_in_emb_desc.bJackID = jack++;
-	midi_function[i++] = (struct usb_descriptor_header *) &jack_in_emb_desc;
-
-	/* and a dynamic amount of external IN jacks */
-	for (n = 0; n < midi->in_ports; n++) {
-		struct usb_midi_in_jack_descriptor *ext = &jack_in_ext_desc[n];
-
-		ext->bLength =			USB_DT_MIDI_IN_SIZE;
-		ext->bDescriptorType =		USB_DT_CS_INTERFACE;
-		ext->bDescriptorSubtype =	USB_MS_MIDI_IN_JACK;
-		ext->bJackType =		USB_MS_EXTERNAL;
-		ext->bJackID =			jack++;
-		ext->iJack =			0;
-
-		midi_function[i++] = (struct usb_descriptor_header *) ext;
-	}
-
-	/* one embedded OUT jack ... */
-	jack_out_emb_desc.bLength = USB_DT_MIDI_OUT_SIZE(midi->in_ports);
-	jack_out_emb_desc.bJackID = jack++;
-	jack_out_emb_desc.bNrInputPins = midi->in_ports;
-	/* ... which referencess all external IN jacks */
+	/* configure the external IN jacks, each linked to an embedded OUT jack */
 	for (n = 0; n < midi->in_ports; n++) {
-		jack_out_emb_desc.pins[n].baSourceID = jack_in_ext_desc[n].bJackID;
-		jack_out_emb_desc.pins[n].baSourcePin =	1;
+		struct usb_midi_in_jack_descriptor *in_ext = &jack_in_ext_desc[n];
+		struct usb_midi_out_jack_descriptor_1 *out_emb = &jack_out_emb_desc[n];
+
+		in_ext->bLength			= USB_DT_MIDI_IN_SIZE;
+		in_ext->bDescriptorType		= USB_DT_CS_INTERFACE;
+		in_ext->bDescriptorSubtype	= USB_MS_MIDI_IN_JACK;
+		in_ext->bJackType		= USB_MS_EXTERNAL;
+		in_ext->bJackID			= jack++;
+		in_ext->iJack			= 0;
+		midi_function[i++] = (struct usb_descriptor_header *) in_ext;
+
+		out_emb->bLength		= USB_DT_MIDI_OUT_SIZE(1);
+		out_emb->bDescriptorType	= USB_DT_CS_INTERFACE;
+		out_emb->bDescriptorSubtype	= USB_MS_MIDI_OUT_JACK;
+		out_emb->bJackType		= USB_MS_EMBEDDED;
+		out_emb->bJackID		= jack++;
+		out_emb->bNrInputPins		= 1;
+		out_emb->pins[0].baSourcePin	= 1;
+		out_emb->pins[0].baSourceID	= in_ext->bJackID;
+		out_emb->iJack			= 0;
+		midi_function[i++] = (struct usb_descriptor_header *) out_emb;
+
+		/* link it to the endpoint */
+		ms_in_desc.baAssocJackID[n] = out_emb->bJackID;
 	}
 
-	midi_function[i++] = (struct usb_descriptor_header *) &jack_out_emb_desc;
-
-	/* and multiple external OUT jacks ... */
+	/* configure the external OUT jacks, each linked to an embedded IN jack */
 	for (n = 0; n < midi->out_ports; n++) {
-		struct usb_midi_out_jack_descriptor_1 *ext = &jack_out_ext_desc[n];
-		int m;
-
-		ext->bLength =			USB_DT_MIDI_OUT_SIZE(1);
-		ext->bDescriptorType =		USB_DT_CS_INTERFACE;
-		ext->bDescriptorSubtype =	USB_MS_MIDI_OUT_JACK;
-		ext->bJackType =		USB_MS_EXTERNAL;
-		ext->bJackID =			jack++;
-		ext->bNrInputPins =		1;
-		ext->iJack =			0;
-		/* ... which all reference the same embedded IN jack */
-		for (m = 0; m < midi->out_ports; m++) {
-			ext->pins[m].baSourceID =	jack_in_emb_desc.bJackID;
-			ext->pins[m].baSourcePin =	1;
-		}
-
-		midi_function[i++] = (struct usb_descriptor_header *) ext;
+		struct usb_midi_in_jack_descriptor *in_emb = &jack_in_emb_desc[n];
+		struct usb_midi_out_jack_descriptor_1 *out_ext = &jack_out_ext_desc[n];
+
+		in_emb->bLength			= USB_DT_MIDI_IN_SIZE;
+		in_emb->bDescriptorType		= USB_DT_CS_INTERFACE;
+		in_emb->bDescriptorSubtype	= USB_MS_MIDI_IN_JACK;
+		in_emb->bJackType		= USB_MS_EMBEDDED;
+		in_emb->bJackID			= jack++;
+		in_emb->iJack			= 0;
+		midi_function[i++] = (struct usb_descriptor_header *) in_emb;
+
+		out_ext->bLength =		USB_DT_MIDI_OUT_SIZE(1);
+		out_ext->bDescriptorType =	USB_DT_CS_INTERFACE;
+		out_ext->bDescriptorSubtype =	USB_MS_MIDI_OUT_JACK;
+		out_ext->bJackType =		USB_MS_EXTERNAL;
+		out_ext->bJackID =		jack++;
+		out_ext->bNrInputPins =		1;
+		out_ext->iJack =		0;
+		out_ext->pins[0].baSourceID =	in_emb->bJackID;
+		out_ext->pins[0].baSourcePin =	1;
+		midi_function[i++] = (struct usb_descriptor_header *) out_ext;
+
+		/* link it to the endpoint */
+		ms_out_desc.baAssocJackID[n] = in_emb->bJackID;
 	}
 
 	/* configure the endpoint descriptors ... */
 	ms_out_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->in_ports);
 	ms_out_desc.bNumEmbMIDIJack = midi->in_ports;
-	for (n = 0; n < midi->in_ports; n++)
-		ms_out_desc.baAssocJackID[n] = jack_in_emb_desc.bJackID;
 
 	ms_in_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->out_ports);
 	ms_in_desc.bNumEmbMIDIJack = midi->out_ports;
-	for (n = 0; n < midi->out_ports; n++)
-		ms_in_desc.baAssocJackID[n] = jack_out_emb_desc.bJackID;
 
 	/* ... and add them to the list */
 	midi_function[i++] = (struct usb_descriptor_header *) &bulk_out_desc;
@@ -901,6 +891,8 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f)
 		f->descriptors = usb_copy_descriptors(midi_function);
 	}
 
+	kfree(midi_function);
+
 	return 0;
 
 fail:
-- 
GitLab


From 001428e4871d6c62f5e16c62df681624d8b480c1 Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Mon, 10 Oct 2011 18:38:05 +0200
Subject: [PATCH 0507/1594] USB: gadgetfs: gadgetfs_disconnect: fix
 inconsistent lock state

Under certain circumstances lockdep finds an inconsistent lock state in
gadgetfs. The problem can be reproduced with a hardware using the
ci13xxx_udc driver and the gadgetfs test program (needs a patch to support
the ci13xxx_udc, though):
	http://www.linux-usb.org/gadget/usb.c
Start the test program, wait to initialize, then press Ctrl+c.

This patch fixes the following problem by using spin_lock_irqsave()
instead of spin_lock().

=================================
[ INFO: inconsistent lock state ]
3.1.0-rc6+ #158
---------------------------------
inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
usb/113 [HC0[0]:SC0[0]:HE1:SE1] takes:
 (&(&dev->lock)->rlock){?.....}, at: [<bf000340>] gadgetfs_disconnect+0x14/0x80 [gadgetfs]
{IN-HARDIRQ-W} state was registered at:
  [<c00596b8>] mark_irqflags+0x14c/0x1ac
  [<c0059bf8>] __lock_acquire+0x4e0/0x8f0
  [<c005a698>] lock_acquire+0x98/0x1a8
  [<c02f10e0>] _raw_spin_lock+0x54/0x8c
  [<bf000340>] gadgetfs_disconnect+0x14/0x80 [gadgetfs]
  [<c0229104>] _gadget_stop_activity+0xd4/0x154
  [<c022b130>] isr_reset_handler+0x34/0x1c0
  [<c022c320>] udc_irq+0x204/0x228
  [<c0069018>] handle_irq_event_percpu+0x64/0x3a0
  [<c0069390>] handle_irq_event+0x3c/0x5c
  [<c006ae5c>] handle_level_irq+0x8c/0x10c
  [<c0068a34>] generic_handle_irq+0x30/0x44
  [<c0009b2c>] handle_IRQ+0x30/0x84
  [<c0008ef8>] __irq_svc+0x38/0x60
  [<c0009c58>] default_idle+0x30/0x34
  [<c0009e30>] cpu_idle+0x9c/0xd8
  [<c04056f4>] start_kernel+0x278/0x2bc
irq event stamp: 6412
hardirqs last  enabled at (6412): [<c02f1cd0>] _raw_spin_unlock_irqrestore+0x30/0x5c
hardirqs last disabled at (6411): [<c02f1278>] _raw_spin_lock_irqsave+0x20/0xa0
softirqs last  enabled at (6381): [<c002833c>] irq_exit+0xa0/0xa8
softirqs last disabled at (6372): [<c002833c>] irq_exit+0xa0/0xa8

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&(&dev->lock)->rlock);
  <Interrupt>
    lock(&(&dev->lock)->rlock);

 *** DEADLOCK ***

1 lock held by usb/113:
 #0:  (udc_lock#2){+.+.+.}, at: [<c02286c0>] usb_gadget_unregister_driver+0x34/0x88

stack backtrace:
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c0058e98>] (print_usage_bug+0x144/0x1c4)
[<c0058e98>] (print_usage_bug+0x144/0x1c4) from [<c0059144>] (mark_lock_irq+0x22c/0x274)
[<c0059144>] (mark_lock_irq+0x22c/0x274) from [<c00592d4>] (mark_lock+0x148/0x3e0)
[<c00592d4>] (mark_lock+0x148/0x3e0) from [<c0059668>] (mark_irqflags+0xfc/0x1ac)
[<c0059668>] (mark_irqflags+0xfc/0x1ac) from [<c0059bf8>] (__lock_acquire+0x4e0/0x8f0)
[<c0059bf8>] (__lock_acquire+0x4e0/0x8f0) from [<c005a698>] (lock_acquire+0x98/0x1a8)
[<c005a698>] (lock_acquire+0x98/0x1a8) from [<c02f10e0>] (_raw_spin_lock+0x54/0x8c)
[<c02f10e0>] (_raw_spin_lock+0x54/0x8c) from [<bf000340>] (gadgetfs_disconnect+0x14/0x80 [gadgetfs])
[<bf000340>] (gadgetfs_disconnect+0x14/0x80 [gadgetfs]) from [<c0229104>] (_gadget_stop_activity+0xd4/0x154)
[<c0229104>] (_gadget_stop_activity+0xd4/0x154) from [<c0229240>] (ci13xxx_stop+0xbc/0x17c)
[<c0229240>] (ci13xxx_stop+0xbc/0x17c) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<bf0003e8>] (dev_release+0x14/0x48 [gadgetfs])
[<bf0003e8>] (dev_release+0x14/0x48 [gadgetfs]) from [<c00cc158>] (__fput+0xa4/0x1f0)
[<c00cc158>] (__fput+0xa4/0x1f0) from [<c00c7f28>] (filp_close+0x5c/0x74)
[<c00c7f28>] (filp_close+0x5c/0x74) from [<c00c7fe8>] (sys_close+0xa8/0x150)
[<c00c7fe8>] (sys_close+0xa8/0x150) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)

Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/inode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index a392ec0d2d51..6ccae2707e59 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1730,8 +1730,9 @@ static void
 gadgetfs_disconnect (struct usb_gadget *gadget)
 {
 	struct dev_data		*dev = get_gadget_data (gadget);
+	unsigned long		flags;
 
-	spin_lock (&dev->lock);
+	spin_lock_irqsave (&dev->lock, flags);
 	if (dev->state == STATE_DEV_UNCONNECTED)
 		goto exit;
 	dev->state = STATE_DEV_UNCONNECTED;
@@ -1740,7 +1741,7 @@ gadgetfs_disconnect (struct usb_gadget *gadget)
 	next_event (dev, GADGETFS_DISCONNECT);
 	ep0_readable (dev);
 exit:
-	spin_unlock (&dev->lock);
+	spin_unlock_irqrestore (&dev->lock, flags);
 }
 
 static void
-- 
GitLab


From 954aad8cd18c928e2db5229f6fa71c80d1c3d8b5 Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Mon, 10 Oct 2011 18:38:06 +0200
Subject: [PATCH 0508/1594] USB: ci13xxx_udc: fix logic to mark request dma
 addresses as invalid

The current driver sets the request's dma addr (mReq->req.dma) to 0 to
mark the DMA address as not valid. However some gadget drivers
(e.g. gadgetfs) set the request's dma addr to DMA_ADDR_INVALID to mark
the address as invalid. This leads to bogus data send because the
ci13xxx_udc driver assumes the request has already been mapped.

This patch fixes the problem, by using DMA_ADDR_INVALID instead of 0
to mark the request's DMA address as invalid.

Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/ci13xxx_udc.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 83428f56253b..ae6c0010f5e7 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -71,6 +71,9 @@
 /******************************************************************************
  * DEFINE
  *****************************************************************************/
+
+#define DMA_ADDR_INVALID	(~(dma_addr_t)0)
+
 /* ctrl register bank access */
 static DEFINE_SPINLOCK(udc_lock);
 
@@ -1434,7 +1437,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
 		return -EALREADY;
 
 	mReq->req.status = -EALREADY;
-	if (length && !mReq->req.dma) {
+	if (length && mReq->req.dma == DMA_ADDR_INVALID) {
 		mReq->req.dma = \
 			dma_map_single(mEp->device, mReq->req.buf,
 				       length, mEp->dir ? DMA_TO_DEVICE :
@@ -1453,7 +1456,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
 				dma_unmap_single(mEp->device, mReq->req.dma,
 					length, mEp->dir ? DMA_TO_DEVICE :
 					DMA_FROM_DEVICE);
-				mReq->req.dma = 0;
+				mReq->req.dma = DMA_ADDR_INVALID;
 				mReq->map     = 0;
 			}
 			return -ENOMEM;
@@ -1549,7 +1552,7 @@ static int _hardware_dequeue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
 	if (mReq->map) {
 		dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length,
 				 mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-		mReq->req.dma = 0;
+		mReq->req.dma = DMA_ADDR_INVALID;
 		mReq->map     = 0;
 	}
 
@@ -2189,6 +2192,7 @@ static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags)
 	mReq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags);
 	if (mReq != NULL) {
 		INIT_LIST_HEAD(&mReq->queue);
+		mReq->req.dma = DMA_ADDR_INVALID;
 
 		mReq->ptr = dma_pool_alloc(mEp->td_pool, gfp_flags,
 					   &mReq->dma);
@@ -2328,7 +2332,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
 	if (mReq->map) {
 		dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length,
 				 mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-		mReq->req.dma = 0;
+		mReq->req.dma = DMA_ADDR_INVALID;
 		mReq->map     = 0;
 	}
 	req->status = -ECONNRESET;
-- 
GitLab


From fd537c041b7f2cbceb5a21c37946e017006edd1c Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Mon, 10 Oct 2011 18:38:07 +0200
Subject: [PATCH 0509/1594] USB: ci13xxx_udc: fix deadlock during rmmod

The inline documentation of _gadget_stop_activity() states that the
function should be called holding the udc->lock. This however will
result in a deadlock, because _gadget_stop_activity() takes the udc->lock.

During normal operation _gadget_stop_activity() is always called unlocked,
but in ci13xxx_stop() it's called locked, this results in the following
deadlock during rmmod of a gadget driver.

This patch fixes the deadlock by calling _gadget_stop_activity() always
unlocked, the inline documentation is adjusted accordingly.

=============================================
[ INFO: possible recursive locking detected ]
3.1.0-rc6+ #159
---------------------------------------------
rmmod/121 is trying to acquire lock:
 (udc_lock){-.-...}, at: [<c0229048>] _gadget_stop_activity+0x18/0x154

but task is already holding lock:
 (udc_lock){-.-...}, at: [<c02291e0>] ci13xxx_stop+0x5c/0x164

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(udc_lock);
  lock(udc_lock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

2 locks held by rmmod/121:
 #0:  (udc_lock#2){+.+.+.}, at: [<c02286c0>] usb_gadget_unregister_driver+0x34/0x88
 #1:  (udc_lock){-.-...}, at: [<c02291e0>] ci13xxx_stop+0x5c/0x164

stack backtrace:
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c0056f94>] (check_deadlock.clone.24+0x284/0x2c4)
[<c0056f94>] (check_deadlock.clone.24+0x284/0x2c4) from [<c00589ac>] (validate_chain.clone.25+0x430/0x6fc)
[<c00589ac>] (validate_chain.clone.25+0x430/0x6fc) from [<c0059bac>] (__lock_acquire+0x494/0x8f0)
[<c0059bac>] (__lock_acquire+0x494/0x8f0) from [<c005a698>] (lock_acquire+0x98/0x1a8)
[<c005a698>] (lock_acquire+0x98/0x1a8) from [<c02f12a4>] (_raw_spin_lock_irqsave+0x64/0xa0)
[<c02f12a4>] (_raw_spin_lock_irqsave+0x64/0xa0) from [<c0229048>] (_gadget_stop_activity+0x18/0x154)
[<c0229048>] (_gadget_stop_activity+0x18/0x154) from [<c0229234>] (ci13xxx_stop+0xb0/0x164)
[<c0229234>] (ci13xxx_stop+0xb0/0x164) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<c0065f2c>] (sys_delete_module+0x1fc/0x26c)
[<c0065f2c>] (sys_delete_module+0x1fc/0x26c) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)
BUG: spinlock lockup on CPU#0, rmmod/121, c05b1644
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c01da000>] (do_raw_spin_lock+0x128/0x144)
[<c01da000>] (do_raw_spin_lock+0x128/0x144) from [<c02f12c8>] (_raw_spin_lock_irqsave+0x88/0xa0)
[<c02f12c8>] (_raw_spin_lock_irqsave+0x88/0xa0) from [<c0229048>] (_gadget_stop_activity+0x18/0x154)
[<c0229048>] (_gadget_stop_activity+0x18/0x154) from [<c0229234>] (ci13xxx_stop+0xb0/0x164)
[<c0229234>] (ci13xxx_stop+0xb0/0x164) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<c0065f2c>] (sys_delete_module+0x1fc/0x26c)
[<c0065f2c>] (sys_delete_module+0x1fc/0x26c) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)

Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/ci13xxx_udc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index ae6c0010f5e7..4241241128c6 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -1613,7 +1613,6 @@ __acquires(mEp->lock)
  * @gadget: gadget
  *
  * This function returns an error code
- * Caller must hold lock
  */
 static int _gadget_stop_activity(struct usb_gadget *gadget)
 {
@@ -2707,7 +2706,9 @@ static int ci13xxx_stop(struct usb_gadget_driver *driver)
 		if (udc->udc_driver->notify_event)
 			udc->udc_driver->notify_event(udc,
 			CI13XXX_CONTROLLER_STOPPED_EVENT);
+		spin_unlock_irqrestore(udc->lock, flags);
 		_gadget_stop_activity(&udc->gadget);
+		spin_lock_irqsave(udc->lock, flags);
 		pm_runtime_put(&udc->gadget.dev);
 	}
 
-- 
GitLab


From 194fa47ef629df07d87064ca4aa973939fa6fb4d Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Mon, 10 Oct 2011 18:38:08 +0200
Subject: [PATCH 0510/1594] USB: ci13xxx_udc: fix debug trace code

This patch fixes the following compile errors that show up if switching
on the debug trace code:

drivers/usb/gadget/ci13xxx_udc.c: In function 'ci13xxx_wakeup':
drivers/usb/gadget/ci13xxx_udc.c:2517:3: error: 'dev' undeclared (first use in this function)
drivers/usb/gadget/ci13xxx_udc.c:2517:3: note: each undeclared identifier is reported only once for each function it appears in
drivers/usb/gadget/ci13xxx_udc.c: In function 'udc_probe':
drivers/usb/gadget/ci13xxx_udc.c:2867:2: error: 'name' undeclared (first use in this function)

Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/ci13xxx_udc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 4241241128c6..9a0c3979ff43 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -2503,12 +2503,12 @@ static int ci13xxx_wakeup(struct usb_gadget *_gadget)
 	spin_lock_irqsave(udc->lock, flags);
 	if (!udc->remote_wakeup) {
 		ret = -EOPNOTSUPP;
-		dbg_trace("remote wakeup feature is not enabled\n");
+		trace("remote wakeup feature is not enabled\n");
 		goto out;
 	}
 	if (!hw_cread(CAP_PORTSC, PORTSC_SUSP)) {
 		ret = -EINVAL;
-		dbg_trace("port is not suspended\n");
+		trace("port is not suspended\n");
 		goto out;
 	}
 	hw_cwrite(CAP_PORTSC, PORTSC_FPR, PORTSC_FPR);
@@ -2855,7 +2855,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev,
 	struct ci13xxx *udc;
 	int retval = 0;
 
-	trace("%p, %p, %p", dev, regs, name);
+	trace("%p, %p, %p", dev, regs, driver->name);
 
 	if (dev == NULL || regs == NULL || driver == NULL ||
 			driver->name == NULL)
-- 
GitLab


From 4703d2e9d06cd1e5add773aa6cc5587e6664bf78 Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Mon, 10 Oct 2011 18:38:11 +0200
Subject: [PATCH 0511/1594] USB: ci13xxx_msm: add module license

Since commit "193ab2a usb: gadget: allow multiple gadgets to be built"
the udc controllers can be compiled as a module. The ci13xxx_msm driver
is missing the MODULE_LICENSE statement, so loading fails with:

ci13xxx_msm: module license 'unspecified' taints kernel.
ci13xxx_msm: Unknown symbol dev_set_name (err 0)
ci13xxx_msm: Unknown symbol platform_get_irq (err 0)
ci13xxx_msm: Unknown symbol device_unregister (err 0)
ci13xxx_msm: Unknown symbol usb_add_gadget_udc (err 0)
ci13xxx_msm: Unknown symbol put_device (err 0)
ci13xxx_msm: Unknown symbol platform_driver_register (err 0)
ci13xxx_msm: Unknown symbol platform_get_resource (err 0)
ci13xxx_msm: Unknown symbol device_register (err 0)
ci13xxx_msm: Unknown symbol usb_del_gadget_udc (err 0)

This patch adds the missing MODULE_LICENSE statement with GPL v2 according
to the header of the driver.

Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/ci13xxx_msm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/gadget/ci13xxx_msm.c b/drivers/usb/gadget/ci13xxx_msm.c
index 4eedfe557154..1fc612914c52 100644
--- a/drivers/usb/gadget/ci13xxx_msm.c
+++ b/drivers/usb/gadget/ci13xxx_msm.c
@@ -122,3 +122,5 @@ static int __init ci13xxx_msm_init(void)
 	return platform_driver_register(&ci13xxx_msm_driver);
 }
 module_init(ci13xxx_msm_init);
+
+MODULE_LICENSE("GPL v2");
-- 
GitLab


From 73ef635a07c0e6a0a159d8beabffb83399429188 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon, 24 Oct 2011 02:24:49 -0700
Subject: [PATCH 0512/1594] usb: gadget: renesas_usbhs: bugfix: care pipe
 direction

renesas_usbhs is caring pipe type and its direction.
but current usbhs_endpoint_alloc() didn't check direction.
this patch modify it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/mod_host.c | 29 ++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index b964f25ebdb7..f8f612c46ea4 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -355,6 +355,7 @@ static void usbhsh_device_free(struct usbhsh_hpriv *hpriv,
 struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
 					struct usbhsh_device *udev,
 					struct usb_host_endpoint *ep,
+					int dir_in_req,
 					gfp_t mem_flags)
 {
 	struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
@@ -364,27 +365,38 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
 	struct usbhs_pipe *pipe, *best_pipe;
 	struct device *dev = usbhsh_hcd_to_dev(hcd);
 	struct usb_endpoint_descriptor *desc = &ep->desc;
-	int type, i;
+	int type, i, dir_in;
 	unsigned int min_usr;
 
+	dir_in_req = !!dir_in_req;
+
 	uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags);
 	if (!uep) {
 		dev_err(dev, "usbhsh_ep alloc fail\n");
 		return NULL;
 	}
-	type = usb_endpoint_type(desc);
+
+	if (usb_endpoint_xfer_control(desc)) {
+		best_pipe = usbhsh_hpriv_to_dcp(hpriv);
+		goto usbhsh_endpoint_alloc_find_pipe;
+	}
 
 	/*
 	 * find best pipe for endpoint
 	 * see
 	 *	HARDWARE LIMITATION
 	 */
+	type = usb_endpoint_type(desc);
 	min_usr = ~0;
 	best_pipe = NULL;
-	usbhs_for_each_pipe_with_dcp(pipe, priv, i) {
+	usbhs_for_each_pipe(pipe, priv, i) {
 		if (!usbhs_pipe_type_is(pipe, type))
 			continue;
 
+		dir_in = !!usbhs_pipe_is_dir_in(pipe);
+		if (0 != (dir_in - dir_in_req))
+			continue;
+
 		info = usbhsh_pipe_info(pipe);
 
 		if (min_usr > info->usr_cnt) {
@@ -398,7 +410,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
 		kfree(uep);
 		return NULL;
 	}
-
+usbhsh_endpoint_alloc_find_pipe:
 	/*
 	 * init uep
 	 */
@@ -430,7 +442,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
 
 	dev_dbg(dev, "%s [%d-%s](%p)\n", __func__,
 		usbhsh_device_number(hpriv, udev),
-		usbhs_pipe_name(pipe), uep);
+		usbhs_pipe_name(uep->pipe), uep);
 
 	return uep;
 }
@@ -722,11 +734,11 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd,
 	struct usbhsh_device *udev, *new_udev = NULL;
 	struct usbhs_pipe *pipe;
 	struct usbhsh_ep *uep;
+	int is_dir_in = usb_pipein(urb->pipe);
 
 	int ret;
 
-	dev_dbg(dev, "%s (%s)\n",
-		__func__, usb_pipein(urb->pipe) ? "in" : "out");
+	dev_dbg(dev, "%s (%s)\n", __func__, is_dir_in ? "in" : "out");
 
 	ret = usb_hcd_link_urb_to_ep(hcd, urb);
 	if (ret)
@@ -749,7 +761,8 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd,
 	 */
 	uep = usbhsh_ep_to_uep(ep);
 	if (!uep) {
-		uep = usbhsh_endpoint_alloc(hpriv, udev, ep, mem_flags);
+		uep = usbhsh_endpoint_alloc(hpriv, udev, ep,
+					    is_dir_in, mem_flags);
 		if (!uep)
 			goto usbhsh_urb_enqueue_error_free_device;
 	}
-- 
GitLab


From 146ee50ae51c78fc93d025cb9528883df26ab705 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon, 24 Oct 2011 02:25:07 -0700
Subject: [PATCH 0513/1594] usb: gadget: renesas_usbhs: bugfix: disable irq
 when device stop

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/mod_host.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index f8f612c46ea4..228f7b844c1d 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -1226,8 +1226,18 @@ static int usbhsh_stop(struct usbhs_priv *priv)
 {
 	struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
 	struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
 	struct device *dev = usbhs_priv_to_dev(priv);
 
+	/*
+	 * disable irq callback
+	 */
+	mod->irq_attch	= NULL;
+	mod->irq_dtch	= NULL;
+	mod->irq_sack	= NULL;
+	mod->irq_sign	= NULL;
+	usbhs_irq_callback_update(priv, mod);
+
 	usb_remove_hcd(hcd);
 
 	/* disable sys */
-- 
GitLab


From d7a00ec1a8debf74317c5110ded9918bad8de772 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Mon, 24 Oct 2011 02:25:28 -0700
Subject: [PATCH 0514/1594] usb: gadget: renesas_usbhs: bugfix: set DATA0 when
 usbhsh_endpoint_alloc()

new endpoint should start from DATA0,
but mod_host didn't care it.
This patch fix it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/mod_host.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 228f7b844c1d..bade761a1e52 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -435,6 +435,7 @@ usbhsh_endpoint_alloc_find_pipe:
 	 * see
 	 *  DCPMAXP/PIPEMAXP
 	 */
+	usbhs_pipe_sequence_data0(uep->pipe);
 	usbhs_pipe_config_update(uep->pipe,
 				 usbhsh_device_number(hpriv, udev),
 				 usb_endpoint_num(desc),
-- 
GitLab


From 12d36c16bde3ee0643d705caa87723de536dbe49 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 3 Nov 2011 20:27:50 +0100
Subject: [PATCH 0515/1594] usb: dwc3: gadget: initialize max_streams

Without this the gadget will never be able to allocate a stream capable
endpoint. The manual says that the stream id is a 16bit id. It does not
talk about an upper limit in any other way. So I think 15 is a
reasonable limit :)

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/dwc3/gadget.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index fa824cfdd2eb..25dbd8614e72 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1284,6 +1284,7 @@ static int __devinit dwc3_gadget_init_endpoints(struct dwc3 *dwc)
 			int		ret;
 
 			dep->endpoint.maxpacket = 1024;
+			dep->endpoint.max_streams = 15;
 			dep->endpoint.ops = &dwc3_gadget_ep_ops;
 			list_add_tail(&dep->endpoint.ep_list,
 					&dwc->gadget.ep_list);
-- 
GitLab


From ab570da26eec4e840dc1d18f45ab9d64bae49a5d Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Thu, 10 Nov 2011 09:58:04 +0200
Subject: [PATCH 0516/1594] usb: musb: fix compilation breakage introduced by
 de47725

commit de47725 (include: replace linux/module.h
with "struct module" wherever possible) introduced
a compilation breaked when it removed <linux/module.h>
from <linux/device.h> which musb glue layers were
(mistakenly) relying on.

Include that header to fix the compile error.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/am35x.c | 1 +
 drivers/usb/musb/da8xx.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index 08f1d0b662a3..e233d2b7d335 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -27,6 +27,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 4da7492ddbdb..2613bfdb09b6 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -27,6 +27,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
-- 
GitLab


From 54dc6cabe684375b3cf549c7b0545613d694aba8 Mon Sep 17 00:00:00 2001
From: Johannes Stezenbach <js@sig21.net>
Date: Mon, 14 Nov 2011 17:23:16 +0100
Subject: [PATCH 0517/1594] ASoC: sta32x: preserve coefficient RAM

The coefficient RAM must be saved in a shadow so it can
be restored when the codec is powered on using
regulator_bulk_enable().

Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
---
 sound/soc/codecs/sta32x.c | 63 ++++++++++++++++++++++++++++++++++++++-
 sound/soc/codecs/sta32x.h |  1 +
 2 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index bb82408ab8e1..d2f37152f940 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -76,6 +76,8 @@ struct sta32x_priv {
 
 	unsigned int mclk;
 	unsigned int format;
+
+	u32 coef_shadow[STA32X_COEF_COUNT];
 };
 
 static const DECLARE_TLV_DB_SCALE(mvol_tlv, -12700, 50, 1);
@@ -227,6 +229,7 @@ static int sta32x_coefficient_put(struct snd_kcontrol *kcontrol,
 				  struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
 	int numcoef = kcontrol->private_value >> 16;
 	int index = kcontrol->private_value & 0xffff;
 	unsigned int cfud;
@@ -239,6 +242,11 @@ static int sta32x_coefficient_put(struct snd_kcontrol *kcontrol,
 	snd_soc_write(codec, STA32X_CFUD, cfud);
 
 	snd_soc_write(codec, STA32X_CFADDR2, index);
+	for (i = 0; i < numcoef && (index + i < STA32X_COEF_COUNT); i++)
+		sta32x->coef_shadow[index + i] =
+			  (ucontrol->value.bytes.data[3 * i] << 16)
+			| (ucontrol->value.bytes.data[3 * i + 1] << 8)
+			| (ucontrol->value.bytes.data[3 * i + 2]);
 	for (i = 0; i < 3 * numcoef; i++)
 		snd_soc_write(codec, STA32X_B1CF1 + i,
 			      ucontrol->value.bytes.data[i]);
@@ -252,6 +260,48 @@ static int sta32x_coefficient_put(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
+int sta32x_sync_coef_shadow(struct snd_soc_codec *codec)
+{
+	struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+	unsigned int cfud;
+	int i;
+
+	/* preserve reserved bits in STA32X_CFUD */
+	cfud = snd_soc_read(codec, STA32X_CFUD) & 0xf0;
+
+	for (i = 0; i < STA32X_COEF_COUNT; i++) {
+		snd_soc_write(codec, STA32X_CFADDR2, i);
+		snd_soc_write(codec, STA32X_B1CF1,
+			      (sta32x->coef_shadow[i] >> 16) & 0xff);
+		snd_soc_write(codec, STA32X_B1CF2,
+			      (sta32x->coef_shadow[i] >> 8) & 0xff);
+		snd_soc_write(codec, STA32X_B1CF3,
+			      (sta32x->coef_shadow[i]) & 0xff);
+		/* chip documentation does not say if the bits are
+		 * self-clearing, so do it explicitly */
+		snd_soc_write(codec, STA32X_CFUD, cfud);
+		snd_soc_write(codec, STA32X_CFUD, cfud | 0x01);
+	}
+	return 0;
+}
+
+int sta32x_cache_sync(struct snd_soc_codec *codec)
+{
+	unsigned int mute;
+	int rc;
+
+	if (!codec->cache_sync)
+		return 0;
+
+	/* mute during register sync */
+	mute = snd_soc_read(codec, STA32X_MMUTE);
+	snd_soc_write(codec, STA32X_MMUTE, mute | STA32X_MMUTE_MMUTE);
+	sta32x_sync_coef_shadow(codec);
+	rc = snd_soc_cache_sync(codec);
+	snd_soc_write(codec, STA32X_MMUTE, mute);
+	return rc;
+}
+
 #define SINGLE_COEF(xname, index) \
 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 	.info = sta32x_coefficient_info, \
@@ -661,7 +711,7 @@ static int sta32x_set_bias_level(struct snd_soc_codec *codec,
 				return ret;
 			}
 
-			snd_soc_cache_sync(codec);
+			sta32x_cache_sync(codec);
 		}
 
 		/* Power up to mute */
@@ -790,6 +840,17 @@ static int sta32x_probe(struct snd_soc_codec *codec)
 			    STA32X_CxCFG_OM_MASK,
 			    2 << STA32X_CxCFG_OM_SHIFT);
 
+	/* initialize coefficient shadow RAM with reset values */
+	for (i = 4; i <= 49; i += 5)
+		sta32x->coef_shadow[i] = 0x400000;
+	for (i = 50; i <= 54; i++)
+		sta32x->coef_shadow[i] = 0x7fffff;
+	sta32x->coef_shadow[55] = 0x5a9df7;
+	sta32x->coef_shadow[56] = 0x7fffff;
+	sta32x->coef_shadow[59] = 0x7fffff;
+	sta32x->coef_shadow[60] = 0x400000;
+	sta32x->coef_shadow[61] = 0x400000;
+
 	sta32x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 	/* Bias level configuration will have done an extra enable */
 	regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
diff --git a/sound/soc/codecs/sta32x.h b/sound/soc/codecs/sta32x.h
index b97ee5a75667..d8e32a6262ee 100644
--- a/sound/soc/codecs/sta32x.h
+++ b/sound/soc/codecs/sta32x.h
@@ -19,6 +19,7 @@
 /* STA326 register addresses */
 
 #define STA32X_REGISTER_COUNT	0x2d
+#define STA32X_COEF_COUNT 62
 
 #define STA32X_CONFA	0x00
 #define STA32X_CONFB    0x01
-- 
GitLab


From 583182ba5f02c8c9be82ea550f2051eaec15b975 Mon Sep 17 00:00:00 2001
From: Bart Hartgers <bart.hartgers@gmail.com>
Date: Wed, 26 Oct 2011 13:29:42 +0200
Subject: [PATCH 0518/1594] USB: ark3116 initialisation fix

This patch for the usb serial ark3116 driver fixes an initialisation
ordering bug that gets triggered on hotplug when using at least recent
debian/ubuntu userspace. Without it, ark3116 serial cables don't work.

Signed-off-by: Bart Hartgers <bart.hartgers@gmail.com>
Tested-by: law_ence.dev@ntlworld.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/ark3116.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 5cdb9d912275..18e875b92e00 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -42,7 +42,7 @@ static int debug;
  * Version information
  */
 
-#define DRIVER_VERSION "v0.6"
+#define DRIVER_VERSION "v0.7"
 #define DRIVER_AUTHOR "Bart Hartgers <bart.hartgers+ark3116@gmail.com>"
 #define DRIVER_DESC "USB ARK3116 serial/IrDA driver"
 #define DRIVER_DEV_DESC "ARK3116 RS232/IrDA"
@@ -380,10 +380,6 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
 		goto err_out;
 	}
 
-	/* setup termios */
-	if (tty)
-		ark3116_set_termios(tty, port, NULL);
-
 	/* remove any data still left: also clears error state */
 	ark3116_read_reg(serial, UART_RX, buf);
 
@@ -406,6 +402,10 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
 	/* enable DMA */
 	ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT);
 
+	/* setup termios */
+	if (tty)
+		ark3116_set_termios(tty, port, NULL);
+
 err_out:
 	kfree(buf);
 	return result;
-- 
GitLab


From 97ff22ee3b4cb3a334f7385e269773141aed702f Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 27 Oct 2011 11:20:21 -0400
Subject: [PATCH 0519/1594] USB: workaround for bug in old version of GCC

This patch (as1491) works around a bug in GCC-3.4.6, which is still
supposed to be supported.  The number of microseconds in the udelay()
call in quirk_usb_disable_ehci() is fixed at 100, but the compiler
doesn't understand this and generates a link-time error.  So we
replace the otherwise unused variable "delta" with a simple constant
100.  This same pattern is already used in other delay loops in that
source file.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Konrad Rzepecki <krzepecki@dentonet.pl>
Tested-by: Konrad Rzepecki <krzepecki@dentonet.pl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/pci-quirks.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 27a3dec32fa2..c7fd6ce11904 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -627,7 +627,7 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev)
 	void __iomem *base, *op_reg_base;
 	u32	hcc_params, cap, val;
 	u8	offset, cap_length;
-	int	wait_time, delta, count = 256/4;
+	int	wait_time, count = 256/4;
 
 	if (!mmio_resource_enabled(pdev, 0))
 		return;
@@ -673,11 +673,10 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev)
 		writel(val, op_reg_base + EHCI_USBCMD);
 
 		wait_time = 2000;
-		delta = 100;
 		do {
 			writel(0x3f, op_reg_base + EHCI_USBSTS);
-			udelay(delta);
-			wait_time -= delta;
+			udelay(100);
+			wait_time -= 100;
 			val = readl(op_reg_base + EHCI_USBSTS);
 			if ((val == ~(u32)0) || (val & EHCI_USBSTS_HALTED)) {
 				break;
-- 
GitLab


From f69e3120df82391a0ee8118e0a156239a06b2afb Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 3 Nov 2011 11:37:10 -0400
Subject: [PATCH 0520/1594] USB: XHCI: resume root hubs when the controller
 resumes

This patch (as1494) fixes a problem in xhci-hcd's resume routine.
When the controller is runtime-resumed, this can only mean that one of
the two root hubs has made a wakeup request and therefore needs to be
resumed as well.  Rather than try to determine which root hub requires
attention (which might be difficult in the case where a new
non-SuperSpeed device has been plugged in), the patch simply resumes
both root hubs.

Without this change, there is a race: The controller might be put back
to sleep before it can activate its IRQ line, and the wakeup condition
might never get handled.

The patch also simplifies the logic in xhci_resume a little, combining
some repeated flag settings into a single pair of statements.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/xhci.c | 29 ++++++++++++++---------------
 1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 747c5ead922b..aa94c0195791 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -799,7 +799,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 	u32			command, temp = 0;
 	struct usb_hcd		*hcd = xhci_to_hcd(xhci);
 	struct usb_hcd		*secondary_hcd;
-	int			retval;
+	int			retval = 0;
 
 	/* Wait a bit if either of the roothubs need to settle from the
 	 * transition into bus suspend.
@@ -809,6 +809,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 				xhci->bus_state[1].next_statechange))
 		msleep(100);
 
+	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+	set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
+
 	spin_lock_irq(&xhci->lock);
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
 		hibernated = true;
@@ -878,20 +881,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 			return retval;
 		xhci_dbg(xhci, "Start the primary HCD\n");
 		retval = xhci_run(hcd->primary_hcd);
-		if (retval)
-			goto failed_restart;
-
-		xhci_dbg(xhci, "Start the secondary HCD\n");
-		retval = xhci_run(secondary_hcd);
 		if (!retval) {
-			set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-			set_bit(HCD_FLAG_HW_ACCESSIBLE,
-					&xhci->shared_hcd->flags);
+			xhci_dbg(xhci, "Start the secondary HCD\n");
+			retval = xhci_run(secondary_hcd);
 		}
-failed_restart:
 		hcd->state = HC_STATE_SUSPENDED;
 		xhci->shared_hcd->state = HC_STATE_SUSPENDED;
-		return retval;
+		goto done;
 	}
 
 	/* step 4: set Run/Stop bit */
@@ -910,11 +906,14 @@ failed_restart:
 	 * Running endpoints by ringing their doorbells
 	 */
 
-	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-	set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
-
 	spin_unlock_irq(&xhci->lock);
-	return 0;
+
+ done:
+	if (retval == 0) {
+		usb_hcd_resume_root_hub(hcd);
+		usb_hcd_resume_root_hub(xhci->shared_hcd);
+	}
+	return retval;
 }
 #endif	/* CONFIG_PM */
 
-- 
GitLab


From 811c926c538f7e8d3c08b630dd5844efd7e000f6 Mon Sep 17 00:00:00 2001
From: Thomas Poussevin <thomas.poussevin@parrot.com>
Date: Thu, 27 Oct 2011 18:46:48 +0200
Subject: [PATCH 0521/1594] USB: EHCI: fix HUB TT scheduling issue with iso
 transfer

The current TT scheduling doesn't allow to play and then record on a
full-speed device connected to a high speed hub.

The IN iso stream can only start on the first uframe (0-2 for a 165 us)
because of CSPLIT transactions.
For the OUT iso stream there no such restriction. uframe 0-5 are possible.

The idea of this patch is that the first uframe are precious (for IN TT iso
stream) and we should allocate the last uframes first if possible.

For that we reverse the order of uframe allocation (last uframe first).

Here an example :

hid interrupt stream
----------------------------------------------------------------------
uframe                |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |
----------------------------------------------------------------------
max_tt_usecs          | 125 | 125 | 125 | 125 | 125 | 125 | 30  |  0  |
----------------------------------------------------------------------
used usecs on a frame | 13  |  0  |  0  |  0  |  0  |  0  |  0  |  0  |
----------------------------------------------------------------------

iso OUT stream
----------------------------------------------------------------------
uframe                |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |
----------------------------------------------------------------------
max_tt_usecs          | 125 | 125 | 125 | 125 | 125 | 125 | 30  |  0  |
----------------------------------------------------------------------
used usecs on a frame | 13  | 125 |  39 |  0  |  0  |  0  |  0  |  0  |
----------------------------------------------------------------------

There no place for iso IN stream  (uframe 0-2 are used) and we got "cannot
submit datapipe for urb 0, error -28: not enough bandwidth" error.

With the patch this become.

iso OUT stream
----------------------------------------------------------------------
uframe                |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |
----------------------------------------------------------------------
max_tt_usecs          | 125 | 125 | 125 | 125 | 125 | 125 | 30  |  0  |
----------------------------------------------------------------------
used usecs on a frame |  13 |  0  |  0  |  0  | 125 |  39 |  0  |  0  |
----------------------------------------------------------------------

iso IN stream
----------------------------------------------------------------------
uframe                |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |
----------------------------------------------------------------------
max_tt_usecs          | 125 | 125 | 125 | 125 | 125 | 125 | 30  |  0  |
----------------------------------------------------------------------
used usecs on a frame |  13 |  0  | 125 | 40  | 125 |  39 |  0  |  0  |
----------------------------------------------------------------------

Signed-off-by: Matthieu Castet <matthieu.castet@parrot.com>
Signed-off-by: Thomas Poussevin <thomas.poussevin@parrot.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci-sched.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 2e829fae6482..56a32033adb3 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1479,10 +1479,15 @@ iso_stream_schedule (
 
 		/* NOTE:  assumes URB_ISO_ASAP, to limit complexity/bugs */
 
-		/* find a uframe slot with enough bandwidth */
-		next = start + period;
-		for (; start < next; start++) {
-
+		/* find a uframe slot with enough bandwidth.
+		 * Early uframes are more precious because full-speed
+		 * iso IN transfers can't use late uframes,
+		 * and therefore they should be allocated last.
+		 */
+		next = start;
+		start += period;
+		do {
+			start--;
 			/* check schedule: enough space? */
 			if (stream->highspeed) {
 				if (itd_slot_ok(ehci, mod, start,
@@ -1495,7 +1500,7 @@ iso_stream_schedule (
 						start, sched, period))
 					break;
 			}
-		}
+		} while (start > next);
 
 		/* no room in the schedule */
 		if (start == next) {
-- 
GitLab


From 60c71ca972a2dd3fd9d0165b405361c8ad48349b Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@redhat.com>
Date: Wed, 26 Oct 2011 13:53:17 -0400
Subject: [PATCH 0522/1594] USB: add quirk for Logitech C600 web cam

We've had another report of the "chipmunk" sound on a Logitech C600 webcam.
This patch resolves the issue.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/quirks.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index d6a8d8269bfb..caa19914806a 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -50,6 +50,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Logitech Webcam B/C500 */
 	{ USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Webcam C600 */
+	{ USB_DEVICE(0x046d, 0x0808), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Webcam Pro 9000 */
 	{ USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME },
 
-- 
GitLab


From 5dc2470c602da8851907ec18942cd876c3b4ecc1 Mon Sep 17 00:00:00 2001
From: Havard Skinnemoen <hskinnemoen@google.com>
Date: Wed, 9 Nov 2011 13:47:38 -0800
Subject: [PATCH 0523/1594] USB: cdc-acm: Fix disconnect() vs close() race

There's a race between the USB disconnect handler and the TTY close
handler which may cause the acm object to be freed while it's still
being used. This may lead to things like

http://article.gmane.org/gmane.linux.usb.general/54250

and

https://lkml.org/lkml/2011/5/29/64

This is the simplest fix I could come up with. Holding on to open_mutex
while closing the TTY device prevents acm_disconnect() from freeing the
acm object between acm->port.count drops to 0 and the TTY side of the
cleanups are finalized.

Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com>
Cc: Oliver Neukum <oliver@neukum.name>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/class/cdc-acm.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 6960715c5063..e8c564a53346 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -539,7 +539,6 @@ static void acm_port_down(struct acm *acm)
 {
 	int i;
 
-	mutex_lock(&open_mutex);
 	if (acm->dev) {
 		usb_autopm_get_interface(acm->control);
 		acm_set_control(acm, acm->ctrlout = 0);
@@ -551,14 +550,15 @@ static void acm_port_down(struct acm *acm)
 		acm->control->needs_remote_wakeup = 0;
 		usb_autopm_put_interface(acm->control);
 	}
-	mutex_unlock(&open_mutex);
 }
 
 static void acm_tty_hangup(struct tty_struct *tty)
 {
 	struct acm *acm = tty->driver_data;
 	tty_port_hangup(&acm->port);
+	mutex_lock(&open_mutex);
 	acm_port_down(acm);
+	mutex_unlock(&open_mutex);
 }
 
 static void acm_tty_close(struct tty_struct *tty, struct file *filp)
@@ -569,8 +569,9 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
 	   shutdown */
 	if (!acm)
 		return;
+
+	mutex_lock(&open_mutex);
 	if (tty_port_close_start(&acm->port, tty, filp) == 0) {
-		mutex_lock(&open_mutex);
 		if (!acm->dev) {
 			tty_port_tty_set(&acm->port, NULL);
 			acm_tty_unregister(acm);
@@ -582,6 +583,7 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
 	acm_port_down(acm);
 	tty_port_close_end(&acm->port, tty);
 	tty_port_tty_set(&acm->port, NULL);
+	mutex_unlock(&open_mutex);
 }
 
 static int acm_tty_write(struct tty_struct *tty,
-- 
GitLab


From bc9f54498eadc5254378e376e8d2111cfd30b229 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Fri, 11 Nov 2011 13:10:08 +0100
Subject: [PATCH 0524/1594] PM / shmobile: Avoid restoring the INTCS state
 during initialization

The SH7372 PM domain initialization routine calls pd_power_up()
that executes the domain's .resume() callback, if present, and for
the A4R domain this callback attepmts to restore the INTCS state from
uninitialized data.  To avoid that, introduce __pd_power_up() that
will only execute the domain's .resume() callback if its second
argument is 'true' and make the SH7372 PM domain initialization
use it with 'false' as its second argument.  Redefine pd_power_up()
as a wrapper around __pd_power_up().

Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tracked-down-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Magnus Damm <damm@opensource.se>
---
 arch/arm/mach-shmobile/pm-sh7372.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index 78c98a847433..1ec35ebe2376 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -107,9 +107,8 @@ static int pd_power_down(struct generic_pm_domain *genpd)
 	return 0;
 }
 
-static int pd_power_up(struct generic_pm_domain *genpd)
+static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume)
 {
-	struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd);
 	unsigned int mask = 1 << sh7372_pd->bit_shift;
 	unsigned int retry_count;
 	int ret = 0;
@@ -138,12 +137,17 @@ static int pd_power_up(struct generic_pm_domain *genpd)
 			 mask, __raw_readl(PSTR));
 
  out:
-	if (ret == 0 && sh7372_pd->resume)
+	if (ret == 0 && sh7372_pd->resume && do_resume)
 		sh7372_pd->resume();
 
 	return ret;
 }
 
+static int pd_power_up(struct generic_pm_domain *genpd)
+{
+	 return __pd_power_up(to_sh7372_pd(genpd), true);
+}
+
 static void sh7372_a4r_suspend(void)
 {
 	sh7372_intcs_suspend();
@@ -175,7 +179,7 @@ void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd)
 	genpd->active_wakeup = pd_active_wakeup;
 	genpd->power_off = pd_power_down;
 	genpd->power_on = pd_power_up;
-	genpd->power_on(&sh7372_pd->genpd);
+	__pd_power_up(sh7372_pd, false);
 }
 
 void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
-- 
GitLab


From 9f3bdd4f937a75c4589a867dc1f8fefe09c1a618 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 14 Nov 2011 23:31:29 +0100
Subject: [PATCH 0525/1594] PM / devfreq: fix use after free in
 devfreq_remove_device

In devfreq_remove_device, calling _remove_devfreq will also free devfreq.
Don't dereference devfreq->governor->no_central_polling after _remove_devfreq.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/devfreq/devfreq.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index d0659253387a..59d24e9cb8c5 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -418,10 +418,14 @@ out:
  */
 int devfreq_remove_device(struct devfreq *devfreq)
 {
+	bool central_polling;
+
 	if (!devfreq)
 		return -EINVAL;
 
-	if (!devfreq->governor->no_central_polling) {
+	central_polling = !devfreq->governor->no_central_polling;
+
+	if (central_polling) {
 		mutex_lock(&devfreq_list_lock);
 		while (wait_remove_device == devfreq) {
 			mutex_unlock(&devfreq_list_lock);
@@ -433,7 +437,7 @@ int devfreq_remove_device(struct devfreq *devfreq)
 	mutex_lock(&devfreq->lock);
 	_remove_devfreq(devfreq, false); /* it unlocks devfreq->lock */
 
-	if (!devfreq->governor->no_central_polling)
+	if (central_polling)
 		mutex_unlock(&devfreq_list_lock);
 
 	return 0;
-- 
GitLab


From 6c81f90588972b8631bda4d538ffd0199a3e1b41 Mon Sep 17 00:00:00 2001
From: MyungJoo Ham <myungjoo.ham@samsung.com>
Date: Mon, 14 Nov 2011 23:31:35 +0100
Subject: [PATCH 0526/1594] PM / devfreq: correct Kconfig dependency

Devfreq does not depend on OPP. The dependency is removed.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/devfreq/Kconfig | 41 +++++++++++++++++------------------------
 1 file changed, 17 insertions(+), 24 deletions(-)

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 643b055ed3cd..8f0491037080 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -1,36 +1,29 @@
-config ARCH_HAS_DEVFREQ
-	bool
-	depends on ARCH_HAS_OPP
-	help
-	  Denotes that the architecture supports DEVFREQ. If the architecture
-	  supports multiple OPP entries per device and the frequency of the
-	  devices with OPPs may be altered dynamically, the architecture
-	  supports DEVFREQ.
-
 menuconfig PM_DEVFREQ
 	bool "Generic Dynamic Voltage and Frequency Scaling (DVFS) support"
-	depends on PM_OPP && ARCH_HAS_DEVFREQ
 	help
-	  With OPP support, a device may have a list of frequencies and
-	  voltages available. DEVFREQ, a generic DVFS framework can be
-	  registered for a device with OPP support in order to let the
-	  governor provided to DEVFREQ choose an operating frequency
-	  based on the OPP's list and the policy given with DEVFREQ.
+	  A device may have a list of frequencies and voltages available.
+	  devfreq, a generic DVFS framework can be registered for a device
+	  in order to let the governor provided to devfreq choose an
+	  operating frequency based on the device driver's policy.
 
-	  Each device may have its own governor and policy. DEVFREQ can
+	  Each device may have its own governor and policy. Devfreq can
 	  reevaluate the device state periodically and/or based on the
-	  OPP list changes (each frequency/voltage pair in OPP may be
-	  disabled or enabled).
+	  notification to "nb", a notifier block, of devfreq.
 
-	  Like some CPUs with CPUFREQ, a device may have multiple clocks.
+	  Like some CPUs with CPUfreq, a device may have multiple clocks.
 	  However, because the clock frequencies of a single device are
-	  determined by the single device's state, an instance of DEVFREQ
+	  determined by the single device's state, an instance of devfreq
 	  is attached to a single device and returns a "representative"
-	  clock frequency from the OPP of the device, which is also attached
-	  to a device by 1-to-1. The device registering DEVFREQ takes the
-	  responsiblity to "interpret" the frequency listed in OPP and
+	  clock frequency of the device, which is also attached
+	  to a device by 1-to-1. The device registering devfreq takes the
+	  responsiblity to "interpret" the representative frequency and
 	  to set its every clock accordingly with the "target" callback
-	  given to DEVFREQ.
+	  given to devfreq.
+
+	  When OPP is used with the devfreq device, it is recommended to
+	  register devfreq's nb to the OPP's notifier head.  If OPP is
+	  used with the devfreq device, you may use OPP helper
+	  functions defined in devfreq.h.
 
 if PM_DEVFREQ
 
-- 
GitLab


From 770f0baaee0c511d0d466082e72815ed861e301f Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Sat, 12 Nov 2011 16:46:13 +0100
Subject: [PATCH 0527/1594] USB: at91: at91-ohci: fix set/get power

in commit aa6e52a35 we introduce the support of overcurrent notification
but the set and get of the power without checking if the gpio is valid or not

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ohci-at91.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index ba3a46b78b75..95a9fec38e89 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -223,6 +223,9 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int
 	if (port < 0 || port >= 2)
 		return;
 
+	if (pdata->vbus_pin[port] <= 0)
+		return;
+
 	gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable);
 }
 
@@ -231,6 +234,9 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
 	if (port < 0 || port >= 2)
 		return -EINVAL;
 
+	if (pdata->vbus_pin[port] <= 0)
+		return -EINVAL;
+
 	return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted;
 }
 
-- 
GitLab


From 8981d76a2cf4c46333d9a18176a6eee337a71146 Mon Sep 17 00:00:00 2001
From: Shaohui Xie <Shaohui.Xie@freescale.com>
Date: Mon, 7 Nov 2011 16:58:20 +0800
Subject: [PATCH 0528/1594] powerpc/usb: fix type cast for address of ioremap
 to compatible with 64-bit

Below are codes for accessing usb sysif_regs in driver:

usb_sys_regs = (struct usb_sys_interface *)
	((u32)dr_regs + USB_DR_SYS_OFFSET);

these codes work in 32-bit, but in 64-bit, use u32 to type cast the address
of ioremap is not right, and accessing members of 'usb_sys_regs' will cause
call trace, so use (void *) for both 32-bit and 64-bit.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_udc_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index d786ba31fc07..b3b3d83b7c33 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -2480,8 +2480,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 
 #ifndef CONFIG_ARCH_MXC
 	if (pdata->have_sysif_regs)
-		usb_sys_regs = (struct usb_sys_interface *)
-				((u32)dr_regs + USB_DR_SYS_OFFSET);
+		usb_sys_regs = (void *)dr_regs + USB_DR_SYS_OFFSET;
 #endif
 
 	/* Initialize USB clocks */
-- 
GitLab


From 46e642614b360ae783ce32b43dd885b797352635 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Sun, 30 Oct 2011 07:34:04 -0700
Subject: [PATCH 0529/1594] MAINTAINERS: add CHAR and MISC driver maintainers

Yes, we are fools, but humor us.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
---
 MAINTAINERS | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 4808256446f2..c9c0643bc46f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1788,6 +1788,14 @@ F:	include/net/cfg80211.h
 F:	net/wireless/*
 X:	net/wireless/wext*
 
+CHAR and MISC DRIVERS
+M:	Arnd Bergmann <arnd@arndb.de>
+M:	Greg Kroah-Hartman <greg@kroah.com>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
+S:	Maintained
+F:	drivers/char/*
+F:	drivers/misc/*
+
 CHECKPATCH
 M:	Andy Whitcroft <apw@canonical.com>
 S:	Supported
-- 
GitLab


From 161f14191dc166c4e3f37f68af1bc199c6868b7d Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 31 Oct 2011 10:20:28 +0800
Subject: [PATCH 0530/1594] pcie-gadget-spear: Add "platform:" prefix for
 platform modalias

Since 43cc71eed1250755986da4c0f9898f9a635cb3bf (platform: prefix MODALIAS
with "platform:"), the platform modalias is prefixed with "platform:".

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Pratyush Anand <pratyush.anand@st.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/misc/spear13xx_pcie_gadget.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c
index cfbddbef11de..43d073bc1d9c 100644
--- a/drivers/misc/spear13xx_pcie_gadget.c
+++ b/drivers/misc/spear13xx_pcie_gadget.c
@@ -903,6 +903,6 @@ static void __exit spear_pcie_gadget_exit(void)
 }
 module_exit(spear_pcie_gadget_exit);
 
-MODULE_ALIAS("pcie-gadget-spear");
+MODULE_ALIAS("platform:pcie-gadget-spear");
 MODULE_AUTHOR("Pratyush Anand");
 MODULE_LICENSE("GPL");
-- 
GitLab


From 0d145d7d4a241c321c832a810bb6edad18e2217b Mon Sep 17 00:00:00 2001
From: sordna <sordna@gmail.com>
Date: Thu, 27 Oct 2011 21:06:26 -0700
Subject: [PATCH 0531/1594] USB: quirks: adding more quirky webcams to avoid
 squeaky audio

The following patch contains additional affected webcam models, on top of the
patches commited to linux-next 2394d67e446bf616a0885167d5f0d397bdacfdfc
and 5b253d88cc6c65a23cefc457a5a4ef139913c5fc

Signed-off-by: sordna <sordna@gmail.com>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/quirks.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index caa19914806a..ecf12e15a7ef 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -56,12 +56,36 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Logitech Webcam Pro 9000 */
 	{ USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Webcam C905 */
+	{ USB_DEVICE(0x046d, 0x080a), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C210 */
+	{ USB_DEVICE(0x046d, 0x0819), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C260 */
+	{ USB_DEVICE(0x046d, 0x081a), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Webcam C310 */
 	{ USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Webcam C910 */
+	{ USB_DEVICE(0x046d, 0x0821), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C160 */
+	{ USB_DEVICE(0x046d, 0x0824), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Webcam C270 */
 	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Quickcam Pro 9000 */
+	{ USB_DEVICE(0x046d, 0x0990), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Quickcam E3500 */
+	{ USB_DEVICE(0x046d, 0x09a4), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Quickcam Vision Pro */
+	{ USB_DEVICE(0x046d, 0x09a6), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Harmony 700-series */
 	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
 
-- 
GitLab


From 2f640bf4c94324aeaa1b6385c10aab8c5ad1e1cf Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 25 Oct 2011 10:50:58 -0400
Subject: [PATCH 0532/1594] usb-storage: Accept 8020i-protocol commands longer
 than 12 bytes

The 8020i protocol (also 8070i and QIC-157) uses 12-byte commands;
shorter commands must be padded.  Simon Detheridge reports that his
3-TB USB disk drive claims to use the 8020i protocol (which is
normally meant for ATAPI devices like CD drives), and because of its
large size, the disk drive requires the use of 16-byte commands.
However the usb_stor_pad12_command() routine in usb-storage always
sets the command length to 12, making the drive impossible to use.

Since the SFF-8020i specification allows for 16-byte commands in
future extensions, we may as well accept them.  This patch (as1490)
changes usb_stor_pad12_command() to leave commands larger than 12
bytes alone rather than truncating them.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Simon Detheridge <simon@widgit.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/storage/protocol.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c
index 93c1a4d86f51..82dd834709c7 100644
--- a/drivers/usb/storage/protocol.c
+++ b/drivers/usb/storage/protocol.c
@@ -59,7 +59,9 @@
 
 void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
 {
-	/* Pad the SCSI command with zeros out to 12 bytes
+	/*
+	 * Pad the SCSI command with zeros out to 12 bytes.  If the
+	 * command already is 12 bytes or longer, leave it alone.
 	 *
 	 * NOTE: This only works because a scsi_cmnd struct field contains
 	 * a unsigned char cmnd[16], so we know we have storage available
@@ -67,9 +69,6 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
 	for (; srb->cmd_len<12; srb->cmd_len++)
 		srb->cmnd[srb->cmd_len] = 0;
 
-	/* set command length to 12 bytes */
-	srb->cmd_len = 12;
-
 	/* send the command to the transport layer */
 	usb_stor_invoke_transport(srb, us);
 }
-- 
GitLab


From eec205719e97c95a422d0aa384d0517f6c74fc0a Mon Sep 17 00:00:00 2001
From: Jesper Juhl <jj@chaosbits.net>
Date: Mon, 14 Nov 2011 14:08:05 +0000
Subject: [PATCH 0533/1594] net/packet: Revert incorrect dead-code changes to
 prb_setup_retire_blk_timer

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/packet/af_packet.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ab10e84eda3a..82a6f34d39d0 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -516,11 +516,13 @@ static void prb_init_blk_timer(struct packet_sock *po,
 
 static void prb_setup_retire_blk_timer(struct packet_sock *po, int tx_ring)
 {
+	struct tpacket_kbdq_core *pkc;
+
 	if (tx_ring)
 		BUG();
 
-	prb_init_blk_timer(po, &po->rx_ring.prb_bdqc,
-			   prb_retire_rx_blk_timer_expired);
+	pkc = tx_ring ? &po->tx_ring.prb_bdqc : &po->rx_ring.prb_bdqc;
+	prb_init_blk_timer(po, pkc, prb_retire_rx_blk_timer_expired);
 }
 
 static int prb_calc_retire_blk_tmo(struct packet_sock *po,
-- 
GitLab


From 1d299bc7732c34d85bd43ac1a8745f5a2fed2078 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Mon, 14 Nov 2011 20:32:16 -0800
Subject: [PATCH 0534/1594] sparc: Fix handling of orig_i0 wrt. debugging when
 restarting syscalls.

Although we provide a proper way for a debugger to control whether
syscall restart occurs, we run into problems because orig_i0 is not
saved and restored properly.

Luckily we can solve this problem without having to make debuggers
aware of the issue.  Across system calls, several registers are
considered volatile and can be safely clobbered.

Therefore we use the pt_regs save area of one of those registers, %g2,
as a place to save and restore orig_i0.

Debuggers transparently will do the right thing because they save and
restore this register already.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/signal32.c  | 18 ++++++++++--------
 arch/sparc/kernel/signal_32.c | 20 +++++++++++++++-----
 arch/sparc/kernel/signal_64.c | 32 ++++++++++++++++++--------------
 3 files changed, 43 insertions(+), 27 deletions(-)

diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 2caa556db86d..2e86fd1ddc7b 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -822,21 +822,23 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-void do_signal32(sigset_t *oldset, struct pt_regs * regs,
-		 int restart_syscall, unsigned long orig_i0)
+void do_signal32(sigset_t *oldset, struct pt_regs * regs)
 {
 	struct k_sigaction ka;
+	unsigned long orig_i0;
+	int restart_syscall;
 	siginfo_t info;
 	int signr;
 	
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
-	/* If the debugger messes with the program counter, it clears
-	 * the "in syscall" bit, directing us to not perform a syscall
-	 * restart.
-	 */
-	if (restart_syscall && !pt_regs_is_syscall(regs))
-		restart_syscall = 0;
+	restart_syscall = 0;
+	orig_i0 = 0;
+	if (pt_regs_is_syscall(regs) &&
+	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+		restart_syscall = 1;
+		orig_i0 = regs->u_regs[UREG_G2];
+	}
 
 	if (signr > 0) {
 		if (restart_syscall)
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 8ce247ac04cc..7dfaff64cd6b 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -519,10 +519,16 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	siginfo_t info;
 	int signr;
 
+	/* It's a lot of work and synchronization to add a new ptrace
+	 * register for GDB to save and restore in order to get
+	 * orig_i0 correct for syscall restarts when debugging.
+	 *
+	 * However, we luckily can use the fact that several registers
+	 * are volatile across system calls.  One such register is
+	 * %g2, so use that as a place to save away orig_i0.
+	 */
 	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
-		restart_syscall = 1;
-	else
-		restart_syscall = 0;
+		regs->u_regs[UREG_G2] = orig_i0;
 
 	if (test_thread_flag(TIF_RESTORE_SIGMASK))
 		oldset = &current->saved_sigmask;
@@ -535,8 +541,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	 * the software "in syscall" bit, directing us to not perform
 	 * a syscall restart.
 	 */
-	if (restart_syscall && !pt_regs_is_syscall(regs))
-		restart_syscall = 0;
+	restart_syscall = 0;
+	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) {
+		restart_syscall = 1;
+		orig_i0 = regs->u_regs[UREG_G2];
+	}
+
 
 	if (signr > 0) {
 		if (restart_syscall)
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index a2b81598d905..1ddf0dedb929 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -529,11 +529,17 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	siginfo_t info;
 	int signr;
 	
+	/* It's a lot of work and synchronization to add a new ptrace
+	 * register for GDB to save and restore in order to get
+	 * orig_i0 correct for syscall restarts when debugging.
+	 *
+	 * However, we luckily can use the fact that several registers
+	 * are volatile across system calls.  One such register is
+	 * %g2, so use that as a place to save away orig_i0.
+	 */
 	if (pt_regs_is_syscall(regs) &&
-	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
-		restart_syscall = 1;
-	} else
-		restart_syscall = 0;
+	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
+		regs->u_regs[UREG_G2] = orig_i0;
 
 	if (current_thread_info()->status & TS_RESTORE_SIGMASK)
 		oldset = &current->saved_sigmask;
@@ -542,22 +548,20 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 
 #ifdef CONFIG_COMPAT
 	if (test_thread_flag(TIF_32BIT)) {
-		extern void do_signal32(sigset_t *, struct pt_regs *,
-					int restart_syscall,
-					unsigned long orig_i0);
-		do_signal32(oldset, regs, restart_syscall, orig_i0);
+		extern void do_signal32(sigset_t *, struct pt_regs *);
+		do_signal32(oldset, regs);
 		return;
 	}
 #endif	
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
-	/* If the debugger messes with the program counter, it clears
-	 * the software "in syscall" bit, directing us to not perform
-	 * a syscall restart.
-	 */
-	if (restart_syscall && !pt_regs_is_syscall(regs))
-		restart_syscall = 0;
+	restart_syscall = 0;
+	if (pt_regs_is_syscall(regs) &&
+	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+		restart_syscall = 1;
+		orig_i0 = regs->u_regs[UREG_G2];
+	}
 
 	if (signr > 0) {
 		if (restart_syscall)
-- 
GitLab


From 7db3eba6bf84ab744e39dcce24b7e06d01bab913 Mon Sep 17 00:00:00 2001
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Tue, 18 Oct 2011 16:58:05 +0900
Subject: [PATCH 0535/1594] drm/exynos: added kms poll for handling hpd event

this patch adds kms poll infrastructure to handle hotplug detection event

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.c |  5 +++++
 drivers/gpu/drm/exynos/exynos_drm_fb.c  | 12 ++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 83810cbe3c17..53e2216de61d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -27,6 +27,7 @@
 
 #include "drmP.h"
 #include "drm.h"
+#include "drm_crtc_helper.h"
 
 #include <drm/exynos_drm.h>
 
@@ -61,6 +62,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
 
 	drm_mode_config_init(dev);
 
+	/* init kms poll for handling hpd */
+	drm_kms_helper_poll_init(dev);
+
 	exynos_drm_mode_config_init(dev);
 
 	/*
@@ -116,6 +120,7 @@ static int exynos_drm_unload(struct drm_device *dev)
 	exynos_drm_fbdev_fini(dev);
 	exynos_drm_device_unregister(dev);
 	drm_vblank_cleanup(dev);
+	drm_kms_helper_poll_fini(dev);
 	drm_mode_config_cleanup(dev);
 	kfree(dev->dev_private);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 48d29cfd5240..7d91a542c756 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -29,7 +29,9 @@
 #include "drmP.h"
 #include "drm_crtc.h"
 #include "drm_crtc_helper.h"
+#include "drm_fb_helper.h"
 
+#include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
 #include "exynos_drm_buf.h"
 #include "exynos_drm_gem.h"
@@ -238,8 +240,18 @@ struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb)
 	return entry;
 }
 
+static void exynos_drm_output_poll_changed(struct drm_device *dev)
+{
+	struct exynos_drm_private *private = dev->dev_private;
+	struct drm_fb_helper *fb_helper = private->fb_helper;
+
+	if (fb_helper)
+		drm_fb_helper_hotplug_event(fb_helper);
+}
+
 static struct drm_mode_config_funcs exynos_drm_mode_config_funcs = {
 	.fb_create = exynos_drm_fb_create,
+	.output_poll_changed = exynos_drm_output_poll_changed,
 };
 
 void exynos_drm_mode_config_init(struct drm_device *dev)
-- 
GitLab


From 1b17b206560c433ae9e8f8409f3f3842949a74c8 Mon Sep 17 00:00:00 2001
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Wed, 19 Oct 2011 15:10:10 +0900
Subject: [PATCH 0536/1594] drm/exynos: fixed connector flag with hpd and
 interlace scan for hdmi

hdmi display in exynos supports hotplug event and interlace scan mode

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_connector.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index 985d9e768728..d1a459fdbe92 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -254,6 +254,8 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
 	switch (manager->display->type) {
 	case EXYNOS_DISPLAY_TYPE_HDMI:
 		type = DRM_MODE_CONNECTOR_HDMIA;
+		connector->interlace_allowed = true;
+		connector->polled = DRM_CONNECTOR_POLL_HPD;
 		break;
 	default:
 		type = DRM_MODE_CONNECTOR_Unknown;
-- 
GitLab


From 8b58dfe0290cb57e3f8601b197f00c23fa39a60d Mon Sep 17 00:00:00 2001
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Wed, 19 Oct 2011 15:11:55 +0900
Subject: [PATCH 0537/1594] drm/exynos: fixed converting between display mode
 and timing

missing members are added into converting function between timing and display
mode and refresh rate of display mode is calculated by drm mode function.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_connector.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index d1a459fdbe92..7ca1274775b7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -47,6 +47,7 @@ convert_to_display_mode(struct drm_display_mode *mode,
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
 	mode->clock = timing->pixclock / 1000;
+	mode->vrefresh = timing->refresh;
 
 	mode->hdisplay = timing->xres;
 	mode->hsync_start = mode->hdisplay + timing->left_margin;
@@ -57,6 +58,12 @@ convert_to_display_mode(struct drm_display_mode *mode,
 	mode->vsync_start = mode->vdisplay + timing->upper_margin;
 	mode->vsync_end = mode->vsync_start + timing->vsync_len;
 	mode->vtotal = mode->vsync_end + timing->lower_margin;
+
+	if (timing->vmode & FB_VMODE_INTERLACED)
+		mode->flags |= DRM_MODE_FLAG_INTERLACE;
+
+	if (timing->vmode & FB_VMODE_DOUBLE)
+		mode->flags |= DRM_MODE_FLAG_DBLSCAN;
 }
 
 /* convert drm_display_mode to exynos_video_timings */
@@ -69,7 +76,7 @@ convert_to_video_timing(struct fb_videomode *timing,
 	memset(timing, 0, sizeof(*timing));
 
 	timing->pixclock = mode->clock * 1000;
-	timing->refresh = mode->vrefresh;
+	timing->refresh = drm_mode_vrefresh(mode);
 
 	timing->xres = mode->hdisplay;
 	timing->left_margin = mode->hsync_start - mode->hdisplay;
-- 
GitLab


From adb6b1596743e93e50fad2ff26d9604cda4361ab Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Wed, 19 Oct 2011 17:16:55 +0900
Subject: [PATCH 0538/1594] drm/exynos: added manager object to connector

connector contains some contents for display controller so the connector also
should be able to access controller through manager.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_connector.c | 38 +++++++++++++++----
 drivers/gpu/drm/exynos/exynos_drm_encoder.c   |  3 +-
 2 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index 7ca1274775b7..d33f8039a882 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -37,6 +37,8 @@
 
 struct exynos_drm_connector {
 	struct drm_connector	drm_connector;
+	uint32_t		encoder_id;
+	struct exynos_drm_manager *manager;
 };
 
 /* convert exynos_video_timings to drm_display_mode */
@@ -99,8 +101,9 @@ convert_to_video_timing(struct fb_videomode *timing,
 
 static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 {
-	struct exynos_drm_manager *manager =
-				exynos_drm_get_manager(connector->encoder);
+	struct exynos_drm_connector *exynos_connector =
+					to_exynos_connector(connector);
+	struct exynos_drm_manager *manager = exynos_connector->manager;
 	struct exynos_drm_display *display = manager->display;
 	unsigned int count;
 
@@ -169,8 +172,9 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
 					    struct drm_display_mode *mode)
 {
-	struct exynos_drm_manager *manager =
-				exynos_drm_get_manager(connector->encoder);
+	struct exynos_drm_connector *exynos_connector =
+					to_exynos_connector(connector);
+	struct exynos_drm_manager *manager = exynos_connector->manager;
 	struct exynos_drm_display *display = manager->display;
 	struct fb_videomode timing;
 	int ret = MODE_BAD;
@@ -188,9 +192,25 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
 
 struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector)
 {
+	struct drm_device *dev = connector->dev;
+	struct exynos_drm_connector *exynos_connector =
+					to_exynos_connector(connector);
+	struct drm_mode_object *obj;
+	struct drm_encoder *encoder;
+
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	return connector->encoder;
+	obj = drm_mode_object_find(dev, exynos_connector->encoder_id,
+				   DRM_MODE_OBJECT_ENCODER);
+	if (!obj) {
+		DRM_DEBUG_KMS("Unknown ENCODER ID %d\n",
+				exynos_connector->encoder_id);
+		return NULL;
+	}
+
+	encoder = obj_to_encoder(obj);
+
+	return encoder;
 }
 
 static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
@@ -203,8 +223,9 @@ static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
 static enum drm_connector_status
 exynos_drm_connector_detect(struct drm_connector *connector, bool force)
 {
-	struct exynos_drm_manager *manager =
-				exynos_drm_get_manager(connector->encoder);
+	struct exynos_drm_connector *exynos_connector =
+					to_exynos_connector(connector);
+	struct exynos_drm_manager *manager = exynos_connector->manager;
 	struct exynos_drm_display *display = manager->display;
 	enum drm_connector_status status = connector_status_disconnected;
 
@@ -276,7 +297,10 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
 	if (err)
 		goto err_connector;
 
+	exynos_connector->encoder_id = encoder->base.id;
+	exynos_connector->manager = manager;
 	connector->encoder = encoder;
+
 	err = drm_mode_connector_attach_encoder(connector, encoder);
 	if (err) {
 		DRM_ERROR("failed to attach a connector to a encoder\n");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 7cf6fa86a67e..4e5535b2b8e3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -58,7 +58,8 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		if (connector->encoder == encoder) {
-			struct exynos_drm_display *display = manager->display;
+			struct exynos_drm_display *display =
+							manager->display;
 
 			if (display && display->power_on)
 				display->power_on(manager->dev, mode);
-- 
GitLab


From 74ccc539bcebdb24afb74194223f92a96a7285ed Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Wed, 19 Oct 2011 17:23:07 +0900
Subject: [PATCH 0539/1594] drm/exynos: changed exynos_drm_display to
 exynos_drm_display_ops

exynos_drm_display has function pointes so exynos_drm_display_ops is better
to describe.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_connector.c | 29 ++++++++++---------
 drivers/gpu/drm/exynos/exynos_drm_drv.h       |  4 +--
 drivers/gpu/drm/exynos/exynos_drm_encoder.c   |  8 ++---
 drivers/gpu/drm/exynos/exynos_drm_fimd.c      |  4 +--
 4 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index d33f8039a882..d620b0784257 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -104,13 +104,13 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 	struct exynos_drm_connector *exynos_connector =
 					to_exynos_connector(connector);
 	struct exynos_drm_manager *manager = exynos_connector->manager;
-	struct exynos_drm_display *display = manager->display;
+	struct exynos_drm_display_ops *display_ops = manager->display_ops;
 	unsigned int count;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	if (!display) {
-		DRM_DEBUG_KMS("display is null.\n");
+	if (!display_ops) {
+		DRM_DEBUG_KMS("display_ops is null.\n");
 		return 0;
 	}
 
@@ -122,7 +122,7 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 	 * P.S. in case of lcd panel, count is always 1 if success
 	 * because lcd panel has only one mode.
 	 */
-	if (display->get_edid) {
+	if (display_ops->get_edid) {
 		int ret;
 		void *edid;
 
@@ -132,7 +132,7 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 			return 0;
 		}
 
-		ret = display->get_edid(manager->dev, connector,
+		ret = display_ops->get_edid(manager->dev, connector,
 						edid, MAX_EDID);
 		if (ret < 0) {
 			DRM_ERROR("failed to get edid data.\n");
@@ -150,8 +150,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
 		struct drm_display_mode *mode = drm_mode_create(connector->dev);
 		struct fb_videomode *timing;
 
-		if (display->get_timing)
-			timing = display->get_timing(manager->dev);
+		if (display_ops->get_timing)
+			timing = display_ops->get_timing(manager->dev);
 		else {
 			drm_mode_destroy(connector->dev, mode);
 			return 0;
@@ -175,7 +175,7 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
 	struct exynos_drm_connector *exynos_connector =
 					to_exynos_connector(connector);
 	struct exynos_drm_manager *manager = exynos_connector->manager;
-	struct exynos_drm_display *display = manager->display;
+	struct exynos_drm_display_ops *display_ops = manager->display_ops;
 	struct fb_videomode timing;
 	int ret = MODE_BAD;
 
@@ -183,8 +183,8 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
 
 	convert_to_video_timing(&timing, mode);
 
-	if (display && display->check_timing)
-		if (!display->check_timing(manager->dev, (void *)&timing))
+	if (display_ops && display_ops->check_timing)
+		if (!display_ops->check_timing(manager->dev, (void *)&timing))
 			ret = MODE_OK;
 
 	return ret;
@@ -226,13 +226,14 @@ exynos_drm_connector_detect(struct drm_connector *connector, bool force)
 	struct exynos_drm_connector *exynos_connector =
 					to_exynos_connector(connector);
 	struct exynos_drm_manager *manager = exynos_connector->manager;
-	struct exynos_drm_display *display = manager->display;
+	struct exynos_drm_display_ops *display_ops =
+					manager->display_ops;
 	enum drm_connector_status status = connector_status_disconnected;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	if (display && display->is_connected) {
-		if (display->is_connected(manager->dev))
+	if (display_ops && display_ops->is_connected) {
+		if (display_ops->is_connected(manager->dev))
 			status = connector_status_connected;
 		else
 			status = connector_status_disconnected;
@@ -279,7 +280,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
 
 	connector = &exynos_connector->drm_connector;
 
-	switch (manager->display->type) {
+	switch (manager->display_ops->type) {
 	case EXYNOS_DISPLAY_TYPE_HDMI:
 		type = DRM_MODE_CONNECTOR_HDMIA;
 		connector->interlace_allowed = true;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index c03683f2ae72..1575e5fef51e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -130,7 +130,7 @@ struct exynos_drm_overlay {
  * @check_timing: check if timing is valid or not.
  * @power_on: display device on or off.
  */
-struct exynos_drm_display {
+struct exynos_drm_display_ops {
 	enum exynos_drm_output_type type;
 	bool (*is_connected)(struct device *dev);
 	int (*get_edid)(struct device *dev, struct drm_connector *connector,
@@ -178,7 +178,7 @@ struct exynos_drm_manager {
 	int pipe;
 	struct exynos_drm_manager_ops *ops;
 	struct exynos_drm_overlay_ops *overlay_ops;
-	struct exynos_drm_display *display;
+	struct exynos_drm_display_ops *display_ops;
 };
 
 /*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 4e5535b2b8e3..0034fa7a58db 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -58,11 +58,11 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		if (connector->encoder == encoder) {
-			struct exynos_drm_display *display =
-							manager->display;
+			struct exynos_drm_display_ops *display_ops =
+							manager->display_ops;
 
-			if (display && display->power_on)
-				display->power_on(manager->dev, mode);
+			if (display_ops && display_ops->power_on)
+				display_ops->power_on(manager->dev, mode);
 		}
 	}
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 4659c88cdd9b..f2d883f2999e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -124,7 +124,7 @@ static int fimd_display_power_on(struct device *dev, int mode)
 	return 0;
 }
 
-static struct exynos_drm_display fimd_display = {
+static struct exynos_drm_display_ops fimd_display_ops = {
 	.type = EXYNOS_DISPLAY_TYPE_LCD,
 	.is_connected = fimd_display_is_connected,
 	.get_timing = fimd_get_timing,
@@ -731,7 +731,7 @@ static int __devinit fimd_probe(struct platform_device *pdev)
 	subdrv->manager.pipe = -1;
 	subdrv->manager.ops = &fimd_manager_ops;
 	subdrv->manager.overlay_ops = &fimd_overlay_ops;
-	subdrv->manager.display = &fimd_display;
+	subdrv->manager.display_ops = &fimd_display_ops;
 	subdrv->manager.dev = dev;
 
 	platform_set_drvdata(pdev, ctx);
-- 
GitLab


From 84b46990cb2caf8efe20d5626e1d7e2e40bab832 Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Fri, 4 Nov 2011 13:41:46 +0900
Subject: [PATCH 0540/1594] drm/exynos: restored kernel_fb_list when reiniting
 fb_helper

during recreating exynos_drm_fbdev as a new display device probes,
fb_helper is reinitialized but kernel fb is not changed
so kernel_fb_list should be restored after fb_helper is reinitialized.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 1f4b3d1a7713..74092a81c180 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -405,6 +405,18 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev)
 	fb_helper = private->fb_helper;
 
 	if (fb_helper) {
+		struct list_head temp_list;
+
+		INIT_LIST_HEAD(&temp_list);
+
+		/*
+		 * fb_helper is reintialized but kernel fb is reused
+		 * so kernel_fb_list need to be backuped and restored
+		 */
+		if (!list_empty(&fb_helper->kernel_fb_list))
+			list_replace_init(&fb_helper->kernel_fb_list,
+					&temp_list);
+
 		drm_fb_helper_fini(fb_helper);
 
 		ret = drm_fb_helper_init(dev, fb_helper,
@@ -414,6 +426,9 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev)
 			return ret;
 		}
 
+		if (!list_empty(&temp_list))
+			list_replace(&temp_list, &fb_helper->kernel_fb_list);
+
 		ret = drm_fb_helper_single_add_all_connectors(fb_helper);
 		if (ret < 0) {
 			DRM_ERROR("failed to add fb helper to connectors\n");
-- 
GitLab


From aa6b2b6cd43e4a23c2a220382a8b385b087d8bca Mon Sep 17 00:00:00 2001
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Fri, 4 Nov 2011 13:44:38 +0900
Subject: [PATCH 0541/1594] drm/exynos: removed meaningless parameter from
 fbdev update

drm_framebuffer already has width and height so they are meaningless as
parameters when updating fb_info.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 74092a81c180..0effd77d569b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -85,15 +85,13 @@ static struct fb_ops exynos_drm_fb_ops = {
 };
 
 static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
-				     struct drm_framebuffer *fb,
-				     unsigned int fb_width,
-				     unsigned int fb_height)
+				     struct drm_framebuffer *fb)
 {
 	struct fb_info *fbi = helper->fbdev;
 	struct drm_device *dev = helper->dev;
 	struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper);
 	struct exynos_drm_buf_entry *entry;
-	unsigned int size = fb_width * fb_height * (fb->bits_per_pixel >> 3);
+	unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3);
 	unsigned long offset;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -101,7 +99,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
 	exynos_fb->fb = fb;
 
 	drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth);
-	drm_fb_helper_fill_var(fbi, helper, fb_width, fb_height);
+	drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height);
 
 	entry = exynos_drm_fb_get_buf(fb);
 	if (!entry) {
@@ -171,8 +169,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
 		goto out;
 	}
 
-	ret = exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width,
-			sizes->fb_height);
+	ret = exynos_drm_fbdev_update(helper, helper->fb);
 	if (ret < 0)
 		fb_dealloc_cmap(&fbi->cmap);
 
@@ -235,8 +232,7 @@ static int exynos_drm_fbdev_recreate(struct drm_fb_helper *helper,
 	}
 
 	helper->fb = exynos_fbdev->fb;
-	return exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width,
-			sizes->fb_height);
+	return exynos_drm_fbdev_update(helper, helper->fb);
 }
 
 static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper,
-- 
GitLab


From d2716c896d305fb5d3d0d7f58394c17841ed2967 Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Fri, 4 Nov 2011 17:04:45 +0900
Subject: [PATCH 0542/1594] drm/exynos: added crtc dpms for disable crtc

crtc dpms is called as destroying attached fb so dpms off sould be processed.
crtc dpms also can be called after crtc is detached from encoder so pipe value
of manager is used to find display controller for this case

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_crtc.c    | 29 +++++++++--
 drivers/gpu/drm/exynos/exynos_drm_encoder.c | 54 ++++++++++++++++++---
 drivers/gpu/drm/exynos/exynos_drm_encoder.h |  1 +
 3 files changed, 73 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 9337e5e2dbb6..b1d6526340bb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -85,7 +85,8 @@ static void exynos_drm_crtc_apply(struct drm_crtc *crtc)
 
 	exynos_drm_fn_encoder(crtc, overlay,
 			exynos_drm_encoder_crtc_mode_set);
-	exynos_drm_fn_encoder(crtc, NULL, exynos_drm_encoder_crtc_commit);
+	exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+			exynos_drm_encoder_crtc_commit);
 }
 
 static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
@@ -171,9 +172,26 @@ static int exynos_drm_crtc_update(struct drm_crtc *crtc)
 
 static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
-	DRM_DEBUG_KMS("%s\n", __FILE__);
+	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
 
-	/* TODO */
+	DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
+
+	switch (mode) {
+	case DRM_MODE_DPMS_ON:
+		exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+				exynos_drm_encoder_crtc_commit);
+		break;
+	case DRM_MODE_DPMS_STANDBY:
+	case DRM_MODE_DPMS_SUSPEND:
+	case DRM_MODE_DPMS_OFF:
+		/* TODO */
+		exynos_drm_fn_encoder(crtc, NULL,
+				exynos_drm_encoder_crtc_disable);
+		break;
+	default:
+		DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+		break;
+	}
 }
 
 static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
@@ -185,9 +203,12 @@ static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
 
 static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
 {
+	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	/* drm framework doesn't check NULL. */
+	exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
+			exynos_drm_encoder_crtc_commit);
 }
 
 static bool
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 0034fa7a58db..f15da9581a1e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -61,6 +61,8 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 			struct exynos_drm_display_ops *display_ops =
 							manager->display_ops;
 
+			DRM_DEBUG_KMS("connector[%d] dpms[%d]\n",
+					connector->base.id, mode);
 			if (display_ops && display_ops->power_on)
 				display_ops->power_on(manager->dev, mode);
 		}
@@ -117,15 +119,11 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
 {
 	struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
 	struct exynos_drm_manager_ops *manager_ops = manager->ops;
-	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
 	if (manager_ops && manager_ops->commit)
 		manager_ops->commit(manager->dev);
-
-	if (overlay_ops && overlay_ops->commit)
-		overlay_ops->commit(manager->dev);
 }
 
 static struct drm_crtc *
@@ -209,10 +207,23 @@ void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
 {
 	struct drm_device *dev = crtc->dev;
 	struct drm_encoder *encoder;
+	struct exynos_drm_private *private = dev->dev_private;
+	struct exynos_drm_manager *manager;
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		if (encoder->crtc != crtc)
-			continue;
+		/*
+		 * if crtc is detached from encoder, check pipe,
+		 * otherwise check crtc attached to encoder
+		 */
+		if (!encoder->crtc) {
+			manager = to_exynos_encoder(encoder)->manager;
+			if (manager->pipe < 0 ||
+					private->crtc[manager->pipe] != crtc)
+				continue;
+		} else {
+			if (encoder->crtc != crtc)
+				continue;
+		}
 
 		fn(encoder, data);
 	}
@@ -251,8 +262,18 @@ void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data)
 	struct exynos_drm_manager *manager =
 		to_exynos_encoder(encoder)->manager;
 	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+	int crtc = *(int *)data;
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	overlay_ops->commit(manager->dev);
+	/*
+	 * when crtc is detached from encoder, this pipe is used
+	 * to select manager operation
+	 */
+	manager->pipe = crtc;
+
+	if (overlay_ops && overlay_ops->commit)
+		overlay_ops->commit(manager->dev);
 }
 
 void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
@@ -265,6 +286,25 @@ void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
 	overlay_ops->mode_set(manager->dev, overlay);
 }
 
+void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
+{
+	struct exynos_drm_manager *manager =
+		to_exynos_encoder(encoder)->manager;
+	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+
+	DRM_DEBUG_KMS("\n");
+
+	overlay_ops->disable(manager->dev);
+
+	/*
+	 * crtc is already detached from encoder and last
+	 * function for detaching is properly done, so
+	 * clear pipe from manager to prevent repeated call
+	 */
+	if (!encoder->crtc)
+		manager->pipe = -1;
+}
+
 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
 MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index 5ecd645d06a9..a22acfbf0e4e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -41,5 +41,6 @@ void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data);
 void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data);
 void exynos_drm_encoder_crtc_commit(struct drm_encoder *encoder, void *data);
 void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data);
+void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data);
 
 #endif
-- 
GitLab


From b0e0f85631f9d905095d2896a952430f5eb0aba1 Mon Sep 17 00:00:00 2001
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Fri, 4 Nov 2011 17:31:41 +0900
Subject: [PATCH 0543/1594] drm/exynos: checked for null pointer

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_encoder.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index f15da9581a1e..866f419f485b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -283,7 +283,8 @@ void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
 	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
 	struct exynos_drm_overlay *overlay = data;
 
-	overlay_ops->mode_set(manager->dev, overlay);
+	if (overlay_ops && overlay_ops->mode_set)
+		overlay_ops->mode_set(manager->dev, overlay);
 }
 
 void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
@@ -294,7 +295,8 @@ void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
 
 	DRM_DEBUG_KMS("\n");
 
-	overlay_ops->disable(manager->dev);
+	if (overlay_ops && overlay_ops->disable)
+		overlay_ops->disable(manager->dev);
 
 	/*
 	 * crtc is already detached from encoder and last
-- 
GitLab


From f088d5a9c5dd22b6559fa3f3939973bc374c977b Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Sat, 12 Nov 2011 14:51:23 +0900
Subject: [PATCH 0544/1594] drm/exynos: use gem create function generically

this patch addes exynos_drm_gem_init() creating and initialzing a gem.
allocation functions could use this function to create new gem and
it changes size type of exynos_drm_gem_create structure to 64bit
and also corrects comments to exynos_drm_gem_create structure.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fb.c  |  6 +-
 drivers/gpu/drm/exynos/exynos_drm_gem.c | 79 +++++++++++++++----------
 drivers/gpu/drm/exynos/exynos_drm_gem.h |  6 +-
 include/drm/exynos_drm.h                |  9 ++-
 4 files changed, 59 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 7d91a542c756..8d0f66224045 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -165,9 +165,9 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev,
 
 			goto out;
 		} else {
-			exynos_gem_obj = exynos_drm_gem_create(file_priv, dev,
-							size,
-							&mode_cmd->handle);
+			exynos_gem_obj = exynos_drm_gem_create(dev, file_priv,
+							&mode_cmd->handle,
+							size);
 			if (IS_ERR(exynos_gem_obj)) {
 				ret = PTR_ERR(exynos_gem_obj);
 				goto err_buffer;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index a8e7a88906ed..bd6ede83b684 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -62,40 +62,28 @@ static unsigned int get_gem_mmap_offset(struct drm_gem_object *obj)
 	return (unsigned int)obj->map_list.hash.key << PAGE_SHIFT;
 }
 
-struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_file *file_priv,
-		struct drm_device *dev, unsigned int size,
-		unsigned int *handle)
+static struct exynos_drm_gem_obj
+		*exynos_drm_gem_init(struct drm_device *drm_dev,
+			struct drm_file *file_priv, unsigned int *handle,
+			unsigned int size)
 {
 	struct exynos_drm_gem_obj *exynos_gem_obj;
-	struct exynos_drm_buf_entry *entry;
 	struct drm_gem_object *obj;
 	int ret;
 
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	size = roundup(size, PAGE_SIZE);
-
 	exynos_gem_obj = kzalloc(sizeof(*exynos_gem_obj), GFP_KERNEL);
 	if (!exynos_gem_obj) {
 		DRM_ERROR("failed to allocate exynos gem object.\n");
 		return ERR_PTR(-ENOMEM);
 	}
 
-	/* allocate the new buffer object and memory region. */
-	entry = exynos_drm_buf_create(dev, size);
-	if (!entry) {
-		kfree(exynos_gem_obj);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	exynos_gem_obj->entry = entry;
-
 	obj = &exynos_gem_obj->base;
 
-	ret = drm_gem_object_init(dev, obj, size);
+	ret = drm_gem_object_init(drm_dev, obj, size);
 	if (ret < 0) {
-		DRM_ERROR("failed to initailize gem object.\n");
-		goto err_obj_init;
+		DRM_ERROR("failed to initialize gem object.\n");
+		ret = -EINVAL;
+		goto err_object_init;
 	}
 
 	DRM_DEBUG_KMS("created file object = 0x%x\n", (unsigned int)obj->filp);
@@ -127,24 +115,55 @@ err_handle_create:
 err_create_mmap_offset:
 	drm_gem_object_release(obj);
 
-err_obj_init:
-	exynos_drm_buf_destroy(dev, exynos_gem_obj->entry);
-
+err_object_init:
 	kfree(exynos_gem_obj);
 
 	return ERR_PTR(ret);
 }
 
+struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
+				struct drm_file *file_priv,
+				unsigned int *handle, unsigned long size)
+{
+
+	struct exynos_drm_gem_obj *exynos_gem_obj = NULL;
+	struct exynos_drm_buf_entry *entry;
+	int ret;
+
+	size = roundup(size, PAGE_SIZE);
+
+	DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size);
+
+	entry = exynos_drm_buf_create(dev, size);
+	if (!entry)
+		return ERR_PTR(-ENOMEM);
+
+	exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size);
+	if (IS_ERR(exynos_gem_obj)) {
+		ret = PTR_ERR(exynos_gem_obj);
+		goto err_gem_init;
+	}
+
+	exynos_gem_obj->entry = entry;
+
+	return exynos_gem_obj;
+
+err_gem_init:
+	exynos_drm_buf_destroy(dev, exynos_gem_obj->entry);
+
+	return ERR_PTR(ret);
+}
+
 int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
-		struct drm_file *file_priv)
+					struct drm_file *file_priv)
 {
 	struct drm_exynos_gem_create *args = data;
-	struct exynos_drm_gem_obj *exynos_gem_obj;
+	struct exynos_drm_gem_obj *exynos_gem_obj = NULL;
 
-	DRM_DEBUG_KMS("%s : size = 0x%x\n", __FILE__, args->size);
+	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, args->size,
-			&args->handle);
+	exynos_gem_obj = exynos_drm_gem_create(dev, file_priv,
+						&args->handle, args->size);
 	if (IS_ERR(exynos_gem_obj))
 		return PTR_ERR(exynos_gem_obj);
 
@@ -302,8 +321,8 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
 	args->pitch = args->width * args->bpp >> 3;
 	args->size = args->pitch * args->height;
 
-	exynos_gem_obj = exynos_drm_gem_create(file_priv, dev, args->size,
-							&args->handle);
+	exynos_gem_obj = exynos_drm_gem_create(dev, file_priv, &args->handle,
+							args->size);
 	if (IS_ERR(exynos_gem_obj))
 		return PTR_ERR(exynos_gem_obj);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index e5fc0148277b..213838d9606e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -49,9 +49,9 @@ struct exynos_drm_gem_obj {
 };
 
 /* create a new buffer and get a new gem handle. */
-struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_file *file_priv,
-		struct drm_device *dev, unsigned int size,
-		unsigned int *handle);
+struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
+		struct drm_file *file_priv,
+		unsigned int *handle, unsigned long size);
 
 /*
  * request gem object creation and buffer allocation as the size
diff --git a/include/drm/exynos_drm.h b/include/drm/exynos_drm.h
index 1d161cb3aca5..12050434d57a 100644
--- a/include/drm/exynos_drm.h
+++ b/include/drm/exynos_drm.h
@@ -32,17 +32,16 @@
 /**
  * User-desired buffer creation information structure.
  *
- * @size: requested size for the object.
+ * @size: user-desired memory allocation size.
  *	- this size value would be page-aligned internally.
  * @flags: user request for setting memory type or cache attributes.
- * @handle: returned handle for the object.
- * @pad: just padding to be 64-bit aligned.
+ * @handle: returned a handle to created gem object.
+ *	- this handle will be set by gem module of kernel side.
  */
 struct drm_exynos_gem_create {
-	unsigned int size;
+	uint64_t size;
 	unsigned int flags;
 	unsigned int handle;
-	unsigned int pad;
 };
 
 /**
-- 
GitLab


From c7493668eeced636afabfed57dfead8329c3d7fa Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Wed, 9 Nov 2011 16:50:30 +0900
Subject: [PATCH 0545/1594] drm/exynos: removed unnecessary variable.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_buf.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c
index 6f8afea94fc9..303189c78cf1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c
@@ -29,8 +29,6 @@
 #include "exynos_drm_drv.h"
 #include "exynos_drm_buf.h"
 
-static DEFINE_MUTEX(exynos_drm_buf_lock);
-
 static int lowlevel_buffer_allocate(struct drm_device *dev,
 		struct exynos_drm_buf_entry *entry)
 {
-- 
GitLab


From 2c871127e994a678b82104a4110eb7fcc87f05ad Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Sat, 12 Nov 2011 15:23:32 +0900
Subject: [PATCH 0546/1594] drm/exynos: changed buffer structure.

the purpose of this patch is to consider IOMMU support in the future.
EXYNOS4 SoC supports IOMMU also so the address for DMA could be
physical address with IOMMU or device address with IOMMU.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_buf.c   | 60 ++++++++++++-----------
 drivers/gpu/drm/exynos/exynos_drm_buf.h   | 21 ++------
 drivers/gpu/drm/exynos/exynos_drm_crtc.c  | 47 ++++++------------
 drivers/gpu/drm/exynos/exynos_drm_crtc.h  | 25 ++++++++++
 drivers/gpu/drm/exynos/exynos_drm_drv.h   |  6 +--
 drivers/gpu/drm/exynos/exynos_drm_fb.c    | 48 +++++++++---------
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 15 +++---
 drivers/gpu/drm/exynos/exynos_drm_fimd.c  | 12 ++---
 drivers/gpu/drm/exynos/exynos_drm_gem.c   | 25 +++++-----
 drivers/gpu/drm/exynos/exynos_drm_gem.h   | 22 +++++++--
 10 files changed, 148 insertions(+), 133 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c
index 303189c78cf1..2bb07bca511a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c
@@ -27,80 +27,84 @@
 #include "drm.h"
 
 #include "exynos_drm_drv.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
 
 static int lowlevel_buffer_allocate(struct drm_device *dev,
-		struct exynos_drm_buf_entry *entry)
+		struct exynos_drm_gem_buf *buffer)
 {
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	entry->vaddr = dma_alloc_writecombine(dev->dev, entry->size,
-			(dma_addr_t *)&entry->paddr, GFP_KERNEL);
-	if (!entry->paddr) {
+	buffer->kvaddr = dma_alloc_writecombine(dev->dev, buffer->size,
+			&buffer->dma_addr, GFP_KERNEL);
+	if (!buffer->kvaddr) {
 		DRM_ERROR("failed to allocate buffer.\n");
 		return -ENOMEM;
 	}
 
-	DRM_DEBUG_KMS("allocated : vaddr(0x%x), paddr(0x%x), size(0x%x)\n",
-			(unsigned int)entry->vaddr, entry->paddr, entry->size);
+	DRM_DEBUG_KMS("vaddr(0x%lx), dma_addr(0x%lx), size(0x%lx)\n",
+			(unsigned long)buffer->kvaddr,
+			(unsigned long)buffer->dma_addr,
+			buffer->size);
 
 	return 0;
 }
 
 static void lowlevel_buffer_deallocate(struct drm_device *dev,
-		struct exynos_drm_buf_entry *entry)
+		struct exynos_drm_gem_buf *buffer)
 {
 	DRM_DEBUG_KMS("%s.\n", __FILE__);
 
-	if (entry->paddr && entry->vaddr && entry->size)
-		dma_free_writecombine(dev->dev, entry->size, entry->vaddr,
-				entry->paddr);
+	if (buffer->dma_addr && buffer->size)
+		dma_free_writecombine(dev->dev, buffer->size, buffer->kvaddr,
+				(dma_addr_t)buffer->dma_addr);
 	else
-		DRM_DEBUG_KMS("entry data is null.\n");
+		DRM_DEBUG_KMS("buffer data are invalid.\n");
 }
 
-struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev,
+struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev,
 		unsigned int size)
 {
-	struct exynos_drm_buf_entry *entry;
+	struct exynos_drm_gem_buf *buffer;
 
 	DRM_DEBUG_KMS("%s.\n", __FILE__);
+	DRM_DEBUG_KMS("desired size = 0x%x\n", size);
 
-	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-	if (!entry) {
-		DRM_ERROR("failed to allocate exynos_drm_buf_entry.\n");
+	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+	if (!buffer) {
+		DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n");
 		return ERR_PTR(-ENOMEM);
 	}
 
-	entry->size = size;
+	buffer->size = size;
 
 	/*
 	 * allocate memory region with size and set the memory information
-	 * to vaddr and paddr of a entry object.
+	 * to vaddr and dma_addr of a buffer object.
 	 */
-	if (lowlevel_buffer_allocate(dev, entry) < 0) {
-		kfree(entry);
-		entry = NULL;
+	if (lowlevel_buffer_allocate(dev, buffer) < 0) {
+		kfree(buffer);
+		buffer = NULL;
 		return ERR_PTR(-ENOMEM);
 	}
 
-	return entry;
+	return buffer;
 }
 
 void exynos_drm_buf_destroy(struct drm_device *dev,
-		struct exynos_drm_buf_entry *entry)
+		struct exynos_drm_gem_buf *buffer)
 {
 	DRM_DEBUG_KMS("%s.\n", __FILE__);
 
-	if (!entry) {
-		DRM_DEBUG_KMS("entry is null.\n");
+	if (!buffer) {
+		DRM_DEBUG_KMS("buffer is null.\n");
 		return;
 	}
 
-	lowlevel_buffer_deallocate(dev, entry);
+	lowlevel_buffer_deallocate(dev, buffer);
 
-	kfree(entry);
-	entry = NULL;
+	kfree(buffer);
+	buffer = NULL;
 }
 
 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.h b/drivers/gpu/drm/exynos/exynos_drm_buf.h
index 045d59eab01a..6e91f9caa5db 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_buf.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_buf.h
@@ -26,28 +26,15 @@
 #ifndef _EXYNOS_DRM_BUF_H_
 #define _EXYNOS_DRM_BUF_H_
 
-/*
- * exynos drm buffer entry structure.
- *
- * @paddr: physical address of allocated memory.
- * @vaddr: kernel virtual address of allocated memory.
- * @size: size of allocated memory.
- */
-struct exynos_drm_buf_entry {
-	dma_addr_t paddr;
-	void __iomem *vaddr;
-	unsigned int size;
-};
-
 /* allocate physical memory. */
-struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev,
+struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev,
 		unsigned int size);
 
-/* get physical memory information of a drm framebuffer. */
-struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb);
+/* get memory information of a drm framebuffer. */
+struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb);
 
 /* remove allocated physical memory. */
 void exynos_drm_buf_destroy(struct drm_device *dev,
-		struct exynos_drm_buf_entry *entry);
+		struct exynos_drm_gem_buf *buffer);
 
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index b1d6526340bb..ee43cc220853 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -29,35 +29,16 @@
 #include "drmP.h"
 #include "drm_crtc_helper.h"
 
+#include "exynos_drm_crtc.h"
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
 #include "exynos_drm_encoder.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
 
 #define to_exynos_crtc(x)	container_of(x, struct exynos_drm_crtc,\
 				drm_crtc)
 
-/*
- * Exynos specific crtc postion structure.
- *
- * @fb_x: offset x on a framebuffer to be displyed
- *	- the unit is screen coordinates.
- * @fb_y: offset y on a framebuffer to be displayed
- *	- the unit is screen coordinates.
- * @crtc_x: offset x on hardware screen.
- * @crtc_y: offset y on hardware screen.
- * @crtc_w: width of hardware screen.
- * @crtc_h: height of hardware screen.
- */
-struct exynos_drm_crtc_pos {
-	unsigned int fb_x;
-	unsigned int fb_y;
-	unsigned int crtc_x;
-	unsigned int crtc_y;
-	unsigned int crtc_w;
-	unsigned int crtc_h;
-};
-
 /*
  * Exynos specific crtc structure.
  *
@@ -89,27 +70,27 @@ static void exynos_drm_crtc_apply(struct drm_crtc *crtc)
 			exynos_drm_encoder_crtc_commit);
 }
 
-static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
-				       struct drm_framebuffer *fb,
-				       struct drm_display_mode *mode,
-				       struct exynos_drm_crtc_pos *pos)
+int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
+			      struct drm_framebuffer *fb,
+			      struct drm_display_mode *mode,
+			      struct exynos_drm_crtc_pos *pos)
 {
-	struct exynos_drm_buf_entry *entry;
+	struct exynos_drm_gem_buf *buffer;
 	unsigned int actual_w;
 	unsigned int actual_h;
 
-	entry = exynos_drm_fb_get_buf(fb);
-	if (!entry) {
-		DRM_LOG_KMS("entry is null.\n");
+	buffer = exynos_drm_fb_get_buf(fb);
+	if (!buffer) {
+		DRM_LOG_KMS("buffer is null.\n");
 		return -EFAULT;
 	}
 
-	overlay->paddr = entry->paddr;
-	overlay->vaddr = entry->vaddr;
+	overlay->dma_addr = buffer->dma_addr;
+	overlay->vaddr = buffer->kvaddr;
 
-	DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n",
+	DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n",
 			(unsigned long)overlay->vaddr,
-			(unsigned long)overlay->paddr);
+			(unsigned long)overlay->dma_addr);
 
 	actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w);
 	actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
index c584042d6d2c..25f72a62cb88 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
@@ -35,4 +35,29 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
 int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
 void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
 
+/*
+ * Exynos specific crtc postion structure.
+ *
+ * @fb_x: offset x on a framebuffer to be displyed
+ *	- the unit is screen coordinates.
+ * @fb_y: offset y on a framebuffer to be displayed
+ *	- the unit is screen coordinates.
+ * @crtc_x: offset x on hardware screen.
+ * @crtc_y: offset y on hardware screen.
+ * @crtc_w: width of hardware screen.
+ * @crtc_h: height of hardware screen.
+ */
+struct exynos_drm_crtc_pos {
+	unsigned int fb_x;
+	unsigned int fb_y;
+	unsigned int crtc_x;
+	unsigned int crtc_y;
+	unsigned int crtc_w;
+	unsigned int crtc_h;
+};
+
+int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
+			      struct drm_framebuffer *fb,
+			      struct drm_display_mode *mode,
+			      struct exynos_drm_crtc_pos *pos);
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 1575e5fef51e..38a6f1df75c6 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -79,8 +79,8 @@ struct exynos_drm_overlay_ops {
  * @scan_flag: interlace or progressive way.
  *	(it could be DRM_MODE_FLAG_*)
  * @bpp: pixel size.(in bit)
- * @paddr: bus(accessed by dma) physical memory address to this overlay
- *		and this is physically continuous.
+ * @dma_addr: bus(accessed by dma) address to the memory region allocated
+ *	for a overlay.
  * @vaddr: virtual memory addresss to this overlay.
  * @default_win: a window to be enabled.
  * @color_key: color key on or off.
@@ -108,7 +108,7 @@ struct exynos_drm_overlay {
 	unsigned int scan_flag;
 	unsigned int bpp;
 	unsigned int pitch;
-	dma_addr_t paddr;
+	dma_addr_t dma_addr;
 	void __iomem *vaddr;
 
 	bool default_win;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 8d0f66224045..5bf4a1ac7f82 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -43,14 +43,14 @@
  *
  * @fb: drm framebuffer obejct.
  * @exynos_gem_obj: exynos specific gem object containing a gem object.
- * @entry: pointer to exynos drm buffer entry object.
- *	- containing only the information to physically continuous memory
- *	region allocated at default framebuffer creation.
+ * @buffer: pointer to exynos_drm_gem_buffer object.
+ *	- contain the memory information to memory region allocated
+ *	at default framebuffer creation.
  */
 struct exynos_drm_fb {
 	struct drm_framebuffer		fb;
 	struct exynos_drm_gem_obj	*exynos_gem_obj;
-	struct exynos_drm_buf_entry	*entry;
+	struct exynos_drm_gem_buf	*buffer;
 };
 
 static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
@@ -65,8 +65,8 @@ static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
 	 * default framebuffer has no gem object so
 	 * a buffer of the default framebuffer should be released at here.
 	 */
-	if (!exynos_fb->exynos_gem_obj && exynos_fb->entry)
-		exynos_drm_buf_destroy(fb->dev, exynos_fb->entry);
+	if (!exynos_fb->exynos_gem_obj && exynos_fb->buffer)
+		exynos_drm_buf_destroy(fb->dev, exynos_fb->buffer);
 
 	kfree(exynos_fb);
 	exynos_fb = NULL;
@@ -145,23 +145,23 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev,
 	 */
 	if (!mode_cmd->handle) {
 		if (!file_priv) {
-			struct exynos_drm_buf_entry *entry;
+			struct exynos_drm_gem_buf *buffer;
 
 			/*
 			 * in case that file_priv is NULL, it allocates
 			 * only buffer and this buffer would be used
 			 * for default framebuffer.
 			 */
-			entry = exynos_drm_buf_create(dev, size);
-			if (IS_ERR(entry)) {
-				ret = PTR_ERR(entry);
+			buffer = exynos_drm_buf_create(dev, size);
+			if (IS_ERR(buffer)) {
+				ret = PTR_ERR(buffer);
 				goto err_buffer;
 			}
 
-			exynos_fb->entry = entry;
+			exynos_fb->buffer = buffer;
 
-			DRM_LOG_KMS("default fb: paddr = 0x%lx, size = 0x%x\n",
-					(unsigned long)entry->paddr, size);
+			DRM_LOG_KMS("default: dma_addr = 0x%lx, size = 0x%x\n",
+					(unsigned long)buffer->dma_addr, size);
 
 			goto out;
 		} else {
@@ -191,10 +191,10 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev,
 	 * so that default framebuffer has no its own gem object,
 	 * only its own buffer object.
 	 */
-	exynos_fb->entry = exynos_gem_obj->entry;
+	exynos_fb->buffer = exynos_gem_obj->buffer;
 
-	DRM_LOG_KMS("paddr = 0x%lx, size = 0x%x, gem object = 0x%x\n",
-			(unsigned long)exynos_fb->entry->paddr, size,
+	DRM_LOG_KMS("dma_addr = 0x%lx, size = 0x%x, gem object = 0x%x\n",
+			(unsigned long)exynos_fb->buffer->dma_addr, size,
 			(unsigned int)&exynos_gem_obj->base);
 
 out:
@@ -222,22 +222,22 @@ struct drm_framebuffer *exynos_drm_fb_create(struct drm_device *dev,
 	return exynos_drm_fb_init(file_priv, dev, mode_cmd);
 }
 
-struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb)
+struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb)
 {
 	struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb);
-	struct exynos_drm_buf_entry *entry;
+	struct exynos_drm_gem_buf *buffer;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	entry = exynos_fb->entry;
-	if (!entry)
+	buffer = exynos_fb->buffer;
+	if (!buffer)
 		return NULL;
 
-	DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n",
-			(unsigned long)entry->vaddr,
-			(unsigned long)entry->paddr);
+	DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n",
+			(unsigned long)buffer->kvaddr,
+			(unsigned long)buffer->dma_addr);
 
-	return entry;
+	return buffer;
 }
 
 static void exynos_drm_output_poll_changed(struct drm_device *dev)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 0effd77d569b..836f41008187 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -33,6 +33,7 @@
 
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
+#include "exynos_drm_gem.h"
 #include "exynos_drm_buf.h"
 
 #define MAX_CONNECTOR		4
@@ -90,7 +91,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
 	struct fb_info *fbi = helper->fbdev;
 	struct drm_device *dev = helper->dev;
 	struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper);
-	struct exynos_drm_buf_entry *entry;
+	struct exynos_drm_gem_buf *buffer;
 	unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3);
 	unsigned long offset;
 
@@ -101,18 +102,18 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
 	drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth);
 	drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height);
 
-	entry = exynos_drm_fb_get_buf(fb);
-	if (!entry) {
-		DRM_LOG_KMS("entry is null.\n");
+	buffer = exynos_drm_fb_get_buf(fb);
+	if (!buffer) {
+		DRM_LOG_KMS("buffer is null.\n");
 		return -EFAULT;
 	}
 
 	offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3);
 	offset += fbi->var.yoffset * fb->pitch;
 
-	dev->mode_config.fb_base = entry->paddr;
-	fbi->screen_base = entry->vaddr + offset;
-	fbi->fix.smem_start = entry->paddr + offset;
+	dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr;
+	fbi->screen_base = buffer->kvaddr + offset;
+	fbi->fix.smem_start = (unsigned long)(buffer->dma_addr + offset);
 	fbi->screen_size = size;
 	fbi->fix.smem_len = size;
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index f2d883f2999e..f5c8b072e497 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -64,7 +64,7 @@ struct fimd_win_data {
 	unsigned int		fb_width;
 	unsigned int		fb_height;
 	unsigned int		bpp;
-	dma_addr_t		paddr;
+	dma_addr_t		dma_addr;
 	void __iomem		*vaddr;
 	unsigned int		buf_offsize;
 	unsigned int		line_size;	/* bytes */
@@ -251,7 +251,7 @@ static void fimd_win_mode_set(struct device *dev,
 	win_data->ovl_height = overlay->crtc_height;
 	win_data->fb_width = overlay->fb_width;
 	win_data->fb_height = overlay->fb_height;
-	win_data->paddr = overlay->paddr + offset;
+	win_data->dma_addr = overlay->dma_addr + offset;
 	win_data->vaddr = overlay->vaddr + offset;
 	win_data->bpp = overlay->bpp;
 	win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) *
@@ -263,7 +263,7 @@ static void fimd_win_mode_set(struct device *dev,
 	DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
 			win_data->ovl_width, win_data->ovl_height);
 	DRM_DEBUG_KMS("paddr = 0x%lx, vaddr = 0x%lx\n",
-			(unsigned long)win_data->paddr,
+			(unsigned long)win_data->dma_addr,
 			(unsigned long)win_data->vaddr);
 	DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n",
 			overlay->fb_width, overlay->crtc_width);
@@ -376,16 +376,16 @@ static void fimd_win_commit(struct device *dev)
 	writel(val, ctx->regs + SHADOWCON);
 
 	/* buffer start address */
-	val = win_data->paddr;
+	val = (unsigned long)win_data->dma_addr;
 	writel(val, ctx->regs + VIDWx_BUF_START(win, 0));
 
 	/* buffer end address */
 	size = win_data->fb_width * win_data->ovl_height * (win_data->bpp >> 3);
-	val = win_data->paddr + size;
+	val = (unsigned long)(win_data->dma_addr + size);
 	writel(val, ctx->regs + VIDWx_BUF_END(win, 0));
 
 	DRM_DEBUG_KMS("start addr = 0x%lx, end addr = 0x%lx, size = 0x%lx\n",
-			(unsigned long)win_data->paddr, val, size);
+			(unsigned long)win_data->dma_addr, val, size);
 	DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
 			win_data->ovl_width, win_data->ovl_height);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index bd6ede83b684..b1b94b1e4400 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -127,15 +127,15 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
 {
 
 	struct exynos_drm_gem_obj *exynos_gem_obj = NULL;
-	struct exynos_drm_buf_entry *entry;
+	struct exynos_drm_gem_buf *buffer;
 	int ret;
 
 	size = roundup(size, PAGE_SIZE);
 
 	DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size);
 
-	entry = exynos_drm_buf_create(dev, size);
-	if (!entry)
+	buffer = exynos_drm_buf_create(dev, size);
+	if (!buffer)
 		return ERR_PTR(-ENOMEM);
 
 	exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size);
@@ -144,12 +144,12 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
 		goto err_gem_init;
 	}
 
-	exynos_gem_obj->entry = entry;
+	exynos_gem_obj->buffer = buffer;
 
 	return exynos_gem_obj;
 
 err_gem_init:
-	exynos_drm_buf_destroy(dev, exynos_gem_obj->entry);
+	exynos_drm_buf_destroy(dev, exynos_gem_obj->buffer);
 
 	return ERR_PTR(ret);
 }
@@ -194,7 +194,7 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
 {
 	struct drm_gem_object *obj = filp->private_data;
 	struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
-	struct exynos_drm_buf_entry *entry;
+	struct exynos_drm_gem_buf *buffer;
 	unsigned long pfn, vm_size;
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -206,20 +206,20 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
 
 	vm_size = vma->vm_end - vma->vm_start;
 	/*
-	 * a entry contains information to physically continuous memory
+	 * a buffer contains information to physically continuous memory
 	 * allocated by user request or at framebuffer creation.
 	 */
-	entry = exynos_gem_obj->entry;
+	buffer = exynos_gem_obj->buffer;
 
 	/* check if user-requested size is valid. */
-	if (vm_size > entry->size)
+	if (vm_size > buffer->size)
 		return -EINVAL;
 
 	/*
 	 * get page frame number to physical memory to be mapped
 	 * to user space.
 	 */
-	pfn = exynos_gem_obj->entry->paddr >> PAGE_SHIFT;
+	pfn = ((unsigned long)exynos_gem_obj->buffer->dma_addr) >> PAGE_SHIFT;
 
 	DRM_DEBUG_KMS("pfn = 0x%lx\n", pfn);
 
@@ -300,7 +300,7 @@ void exynos_drm_gem_free_object(struct drm_gem_object *gem_obj)
 
 	exynos_gem_obj = to_exynos_gem_obj(gem_obj);
 
-	exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->entry);
+	exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->buffer);
 
 	kfree(exynos_gem_obj);
 }
@@ -379,7 +379,8 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 
 	mutex_lock(&dev->struct_mutex);
 
-	pfn = (exynos_gem_obj->entry->paddr >> PAGE_SHIFT) + page_offset;
+	pfn = (((unsigned long)exynos_gem_obj->buffer->dma_addr) >>
+			PAGE_SHIFT) + page_offset;
 
 	ret = vm_insert_mixed(vma, (unsigned long)vmf->virtual_address, pfn);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index 213838d9606e..ef8797334e6d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -29,14 +29,30 @@
 #define to_exynos_gem_obj(x)	container_of(x,\
 			struct exynos_drm_gem_obj, base)
 
+/*
+ * exynos drm gem buffer structure.
+ *
+ * @kvaddr: kernel virtual address to allocated memory region.
+ * @dma_addr: bus address(accessed by dma) to allocated memory region.
+ *	- this address could be physical address without IOMMU and
+ *	device address with IOMMU.
+ * @size: size of allocated memory region.
+ */
+struct exynos_drm_gem_buf {
+	void __iomem		*kvaddr;
+	dma_addr_t		dma_addr;
+	unsigned long		size;
+};
+
 /*
  * exynos drm buffer structure.
  *
  * @base: a gem object.
  *	- a new handle to this gem object would be created
  *	by drm_gem_handle_create().
- * @entry: pointer to exynos drm buffer entry object.
- *	- containing the information to physically
+ * @buffer: a pointer to exynos_drm_gem_buffer object.
+ *	- contain the information to memory region allocated
+ *	by user request or at framebuffer creation.
  *	continuous memory region allocated by user request
  *	or at framebuffer creation.
  *
@@ -45,7 +61,7 @@
  */
 struct exynos_drm_gem_obj {
 	struct drm_gem_object base;
-	struct exynos_drm_buf_entry *entry;
+	struct exynos_drm_gem_buf *buffer;
 };
 
 /* create a new buffer and get a new gem handle. */
-- 
GitLab


From 483b88f86e1682241bfa0848e348aa175257c6e7 Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Fri, 11 Nov 2011 21:28:00 +0900
Subject: [PATCH 0547/1594] drm/exynos: fix vblank bug.

In case that vblank_disable_allowed is 1, the problem that manager->pipe
could be -1 at vsync interrupt handler could be induced so this patch fixes
that.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fimd.c | 46 ++++++++++++++++++------
 1 file changed, 36 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index f5c8b072e497..272c3b53c062 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -447,7 +447,9 @@ static void fimd_win_commit(struct device *dev)
 static void fimd_win_disable(struct device *dev)
 {
 	struct fimd_context *ctx = get_fimd_context(dev);
-	struct fimd_win_data *win_data;
+	struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
+	struct drm_device *drm_dev = subdrv->drm_dev;
+	struct exynos_drm_manager *manager = &subdrv->manager;
 	int win = ctx->default_win;
 	u32 val;
 
@@ -456,8 +458,6 @@ static void fimd_win_disable(struct device *dev)
 	if (win < 0 || win > WINDOWS_NR)
 		return;
 
-	win_data = &ctx->win_data[win];
-
 	/* protect windows */
 	val = readl(ctx->regs + SHADOWCON);
 	val |= SHADOWCON_WINx_PROTECT(win);
@@ -473,6 +473,29 @@ static void fimd_win_disable(struct device *dev)
 	val &= ~SHADOWCON_CHx_ENABLE(win);
 	val &= ~SHADOWCON_WINx_PROTECT(win);
 	writel(val, ctx->regs + SHADOWCON);
+
+	/* fimd dma off. */
+	val = readl(ctx->regs + VIDCON0);
+	val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F);
+	writel(val, ctx->regs + VIDCON0);
+
+	/*
+	 * if vblank is enabled status with dma off then
+	 * it disables vsync interrupt.
+	 */
+	if (drm_dev->vblank_enabled[manager->pipe] &&
+			atomic_read(&drm_dev->vblank_refcount[manager->pipe])) {
+		drm_vblank_put(drm_dev, manager->pipe);
+
+		/*
+		 * if vblank_disable_allowed is 0 then disable vsync interrupt
+		 * right now else the vsync interrupt would be disabled by drm
+		 * timer once a current process gives up ownershop of
+		 * vblank event.
+		 */
+		if (!drm_dev->vblank_disable_allowed)
+			drm_vblank_off(drm_dev, manager->pipe);
+	}
 }
 
 static struct exynos_drm_overlay_ops fimd_overlay_ops = {
@@ -528,6 +551,16 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
 		/* VSYNC interrupt */
 		writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
 
+	/*
+	 * in case that vblank_disable_allowed is 1, it could induce
+	 * the problem that manager->pipe could be -1 because with
+	 * disable callback, vsync interrupt isn't disabled and at this moment,
+	 * vsync interrupt could occur. the vsync interrupt would be disabled
+	 * by timer handler later.
+	 */
+	if (manager->pipe == -1)
+		return IRQ_HANDLED;
+
 	drm_handle_vblank(drm_dev, manager->pipe);
 	fimd_finish_pageflip(drm_dev, manager->pipe);
 
@@ -548,13 +581,6 @@ static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
 	 */
 	drm_dev->irq_enabled = 1;
 
-	/*
-	 * with vblank_disable_allowed = 1, vblank interrupt will be disabled
-	 * by drm timer once a current process gives up ownership of
-	 * vblank event.(drm_vblank_put function was called)
-	 */
-	drm_dev->vblank_disable_allowed = 1;
-
 	return 0;
 }
 
-- 
GitLab


From 4f9eb94f7be3d357e811ec74a53027bd27f1748f Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Sat, 12 Nov 2011 16:57:42 +0900
Subject: [PATCH 0548/1594] drm/exynos: include linux/module.h

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 38a6f1df75c6..2d74f8550e20 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -29,6 +29,7 @@
 #ifndef _EXYNOS_DRM_DRV_H_
 #define _EXYNOS_DRM_DRV_H_
 
+#include <linux/module.h>
 #include "drm.h"
 
 #define MAX_CRTC	2
-- 
GitLab


From e13b91c1c47e7be178d2d7914452040ee82c0bd2 Mon Sep 17 00:00:00 2001
From: Guan Xuetao <gxt@mprc.pku.edu.cn>
Date: Mon, 13 Jun 2011 11:44:49 +0800
Subject: [PATCH 0549/1594] unicore32: fix build error for find bitops

Remove the __uc32_ prefix in find bitops functions.
Move find_* macros behind asm-generic/bitops.h inclusion.
see commit <19de85ef574c3a2182e3ccad9581805052f14946>
  bitops: add #ifndef for each of find bitops
also see commit <63e424c84429903c92a0f1e9654c31ccaf6694d0>
  arch: remove CONFIG_GENERIC_FIND_{NEXT_BIT,BIT_LE,LAST_BIT}

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
---
 arch/unicore32/include/asm/bitops.h | 12 ++++++------
 arch/unicore32/kernel/ksyms.c       |  4 ++--
 arch/unicore32/lib/findbit.S        | 14 ++++++++------
 3 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/arch/unicore32/include/asm/bitops.h b/arch/unicore32/include/asm/bitops.h
index 1628a6328994..401f597bc38c 100644
--- a/arch/unicore32/include/asm/bitops.h
+++ b/arch/unicore32/include/asm/bitops.h
@@ -13,12 +13,6 @@
 #ifndef __UNICORE_BITOPS_H__
 #define __UNICORE_BITOPS_H__
 
-#define find_next_bit		__uc32_find_next_bit
-#define find_next_zero_bit	__uc32_find_next_zero_bit
-
-#define find_first_bit		__uc32_find_first_bit
-#define find_first_zero_bit	__uc32_find_first_zero_bit
-
 #define _ASM_GENERIC_BITOPS_FLS_H_
 #define _ASM_GENERIC_BITOPS___FLS_H_
 #define _ASM_GENERIC_BITOPS_FFS_H_
@@ -44,4 +38,10 @@ static inline int fls(int x)
 
 #include <asm-generic/bitops.h>
 
+/* following definitions: to avoid using codes in lib/find_*.c */
+#define find_next_bit		find_next_bit
+#define find_next_zero_bit	find_next_zero_bit
+#define find_first_bit		find_first_bit
+#define find_first_zero_bit	find_first_zero_bit
+
 #endif /* __UNICORE_BITOPS_H__ */
diff --git a/arch/unicore32/kernel/ksyms.c b/arch/unicore32/kernel/ksyms.c
index a8970809428a..d98bd812cae1 100644
--- a/arch/unicore32/kernel/ksyms.c
+++ b/arch/unicore32/kernel/ksyms.c
@@ -24,8 +24,8 @@
 
 #include "ksyms.h"
 
-EXPORT_SYMBOL(__uc32_find_next_zero_bit);
-EXPORT_SYMBOL(__uc32_find_next_bit);
+EXPORT_SYMBOL(find_next_zero_bit);
+EXPORT_SYMBOL(find_next_bit);
 
 EXPORT_SYMBOL(__backtrace);
 
diff --git a/arch/unicore32/lib/findbit.S b/arch/unicore32/lib/findbit.S
index c360ce905d8b..c77746247d36 100644
--- a/arch/unicore32/lib/findbit.S
+++ b/arch/unicore32/lib/findbit.S
@@ -17,7 +17,7 @@
  * Purpose  : Find a 'zero' bit
  * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit);
  */
-__uc32_find_first_zero_bit:
+ENTRY(find_first_zero_bit)
 		cxor.a	r1, #0
 		beq	3f
 		mov	r2, #0
@@ -29,13 +29,14 @@ __uc32_find_first_zero_bit:
 		bub	1b
 3:		mov	r0, r1			@ no free bits
 		mov	pc, lr
+ENDPROC(find_first_zero_bit)
 
 /*
  * Purpose  : Find next 'zero' bit
  * Prototype: int find_next_zero_bit
  *		(void *addr, unsigned int maxbit, int offset)
  */
-ENTRY(__uc32_find_next_zero_bit)
+ENTRY(find_next_zero_bit)
 		cxor.a	r1, #0
 		beq	3b
 		and.a	ip, r2, #7
@@ -47,14 +48,14 @@ ENTRY(__uc32_find_next_zero_bit)
 		or	r2, r2, #7		@ if zero, then no bits here
 		add	r2, r2, #1		@ align bit pointer
 		b	2b			@ loop for next bit
-ENDPROC(__uc32_find_next_zero_bit)
+ENDPROC(find_next_zero_bit)
 
 /*
  * Purpose  : Find a 'one' bit
  * Prototype: int find_first_bit
  *		(const unsigned long *addr, unsigned int maxbit);
  */
-__uc32_find_first_bit:
+ENTRY(find_first_bit)
 		cxor.a	r1, #0
 		beq	3f
 		mov	r2, #0
@@ -66,13 +67,14 @@ __uc32_find_first_bit:
 		bub	1b
 3:		mov	r0, r1			@ no free bits
 		mov	pc, lr
+ENDPROC(find_first_bit)
 
 /*
  * Purpose  : Find next 'one' bit
  * Prototype: int find_next_zero_bit
  *		(void *addr, unsigned int maxbit, int offset)
  */
-ENTRY(__uc32_find_next_bit)
+ENTRY(find_next_bit)
 		cxor.a	r1, #0
 		beq	3b
 		and.a	ip, r2, #7
@@ -83,7 +85,7 @@ ENTRY(__uc32_find_next_bit)
 		or	r2, r2, #7		@ if zero, then no bits here
 		add	r2, r2, #1		@ align bit pointer
 		b	2b			@ loop for next bit
-ENDPROC(__uc32_find_next_bit)
+ENDPROC(find_next_bit)
 
 /*
  * One or more bits in the LSB of r3 are assumed to be set.
-- 
GitLab


From 63c95fa414032adb56194d026c9ed054488b0783 Mon Sep 17 00:00:00 2001
From: Arnaud Lacombe <lacombar@gmail.com>
Date: Mon, 15 Aug 2011 01:07:06 -0400
Subject: [PATCH 0550/1594] arch/unicore32: do not use EXTRA_AFLAGS or
 EXTRA_CFLAGS

Usage of these flags has been deprecated for nearly 4 years by:

    commit f77bf01425b11947eeb3b5b54685212c302741b8
    Author: Sam Ravnborg <sam@neptun.(none)>
    Date:   Mon Oct 15 22:25:06 2007 +0200

        kbuild: introduce ccflags-y, asflags-y and ldflags-y

Moreover, these flags (at least EXTRA_CFLAGS) have been documented for command
line use. By default, gmake(1) do not override command line setting, so this is
likely to result in build failure or unexpected behavior.

Replace their usage by Kbuild's `{as,cc,ld}flags-y'.

Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
---
 arch/unicore32/boot/compressed/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile
index b0954a2d23cf..950a9afa38f8 100644
--- a/arch/unicore32/boot/compressed/Makefile
+++ b/arch/unicore32/boot/compressed/Makefile
@@ -10,8 +10,8 @@
 # Copyright (C) 2001~2010 GUAN Xue-tao
 #
 
-EXTRA_CFLAGS	:= -fpic -fno-builtin
-EXTRA_AFLAGS	:= -Wa,-march=all
+ccflags-y	:= -fpic -fno-builtin
+asflags-y	:= -Wa,-march=all
 
 OBJS		:= misc.o
 
-- 
GitLab


From 66ae45604c90f25397294099cdb214f642471327 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Wed, 5 Oct 2011 22:29:47 +0800
Subject: [PATCH 0551/1594] rtc: rtc-puv3: Add __devinit and __devexit markers
 for probe and remove

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
---
 drivers/rtc/rtc-puv3.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
index b3eba3cddd42..e4b6880aabd0 100644
--- a/drivers/rtc/rtc-puv3.c
+++ b/drivers/rtc/rtc-puv3.c
@@ -220,7 +220,7 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en)
 	}
 }
 
-static int puv3_rtc_remove(struct platform_device *dev)
+static int __devexit puv3_rtc_remove(struct platform_device *dev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(dev);
 
@@ -236,7 +236,7 @@ static int puv3_rtc_remove(struct platform_device *dev)
 	return 0;
 }
 
-static int puv3_rtc_probe(struct platform_device *pdev)
+static int __devinit puv3_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	struct resource *res;
-- 
GitLab


From d159e571cb81a75d50f84fc4b716edee636f6858 Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Fri, 14 Oct 2011 14:28:11 +0200
Subject: [PATCH 0552/1594] unicore32: drop unused Kconfig symbols

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
---
 arch/unicore32/Kconfig.debug | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/arch/unicore32/Kconfig.debug b/arch/unicore32/Kconfig.debug
index ae2ec334c3c6..1a3626239843 100644
--- a/arch/unicore32/Kconfig.debug
+++ b/arch/unicore32/Kconfig.debug
@@ -44,18 +44,4 @@ config DEBUG_OCD
 	  Say Y here if you want the debug print routines to direct their
 	  output to the UniCore On-Chip-Debugger channel using CP #1.
 
-config DEBUG_OCD_BREAKPOINT
-	bool "Breakpoint support via On-Chip-Debugger"
-	depends on DEBUG_OCD
-
-config DEBUG_UART
-	int "Kernel low-level debugging messages via serial port"
-	depends on DEBUG_LL
-	range 0 1
-	default "0"
-	help
-	  Choice for UART for kernel low-level using PKUnity UARTS,
-	  should be between zero and one. The port must have been
-	  initialised by the boot-loader before use.
-
 endmenu
-- 
GitLab


From 943ef2ec4f5f14940ea391d25bf93eb99eb2ff2a Mon Sep 17 00:00:00 2001
From: Wim Van Sebroeck <wim@iguana.be>
Date: Tue, 15 Nov 2011 11:45:16 +0100
Subject: [PATCH 0553/1594] watchdog: adx_wdt.c: remove driver

Remove the driver (that was added in v2.6.32) since the architecture
has never been merged into mainline.

Reported-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/Kconfig   |   7 -
 drivers/watchdog/Makefile  |   1 -
 drivers/watchdog/adx_wdt.c | 355 -------------------------------------
 3 files changed, 363 deletions(-)
 delete mode 100644 drivers/watchdog/adx_wdt.c

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 6285867a9356..79fd606b7cd5 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -314,13 +314,6 @@ config NUC900_WATCHDOG
 	  To compile this driver as a module, choose M here: the
 	  module will be called nuc900_wdt.
 
-config ADX_WATCHDOG
-	tristate "Avionic Design Xanthos watchdog"
-	depends on ARCH_PXA_ADX
-	help
-	  Say Y here if you want support for the watchdog timer on Avionic
-	  Design Xanthos boards.
-
 config TS72XX_WATCHDOG
 	tristate "TS-72XX SBC Watchdog"
 	depends on MACH_TS72XX
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 55bd5740e910..fe893e91935b 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -51,7 +51,6 @@ obj-$(CONFIG_ORION_WATCHDOG) += orion_wdt.o
 obj-$(CONFIG_COH901327_WATCHDOG) += coh901327_wdt.o
 obj-$(CONFIG_STMP3XXX_WATCHDOG) += stmp3xxx_wdt.o
 obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o
-obj-$(CONFIG_ADX_WATCHDOG) += adx_wdt.o
 obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_wdt.o
 obj-$(CONFIG_IMX2_WDT) += imx2_wdt.o
 
diff --git a/drivers/watchdog/adx_wdt.c b/drivers/watchdog/adx_wdt.c
deleted file mode 100644
index af6e6b16475a..000000000000
--- a/drivers/watchdog/adx_wdt.c
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * Copyright (C) 2008-2009 Avionic Design GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/fs.h>
-#include <linux/gfp.h>
-#include <linux/io.h>
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/uaccess.h>
-#include <linux/watchdog.h>
-
-#define WATCHDOG_NAME "adx-wdt"
-
-/* register offsets */
-#define	ADX_WDT_CONTROL		0x00
-#define	ADX_WDT_CONTROL_ENABLE	(1 << 0)
-#define	ADX_WDT_CONTROL_nRESET	(1 << 1)
-#define	ADX_WDT_TIMEOUT		0x08
-
-static struct platform_device *adx_wdt_dev;
-static unsigned long driver_open;
-
-#define	WDT_STATE_STOP	0
-#define	WDT_STATE_START	1
-
-struct adx_wdt {
-	void __iomem *base;
-	unsigned long timeout;
-	unsigned int state;
-	unsigned int wake;
-	spinlock_t lock;
-};
-
-static const struct watchdog_info adx_wdt_info = {
-	.identity = "Avionic Design Xanthos Watchdog",
-	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
-};
-
-static void adx_wdt_start_locked(struct adx_wdt *wdt)
-{
-	u32 ctrl;
-
-	ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-	ctrl |= ADX_WDT_CONTROL_ENABLE;
-	writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-	wdt->state = WDT_STATE_START;
-}
-
-static void adx_wdt_start(struct adx_wdt *wdt)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&wdt->lock, flags);
-	adx_wdt_start_locked(wdt);
-	spin_unlock_irqrestore(&wdt->lock, flags);
-}
-
-static void adx_wdt_stop_locked(struct adx_wdt *wdt)
-{
-	u32 ctrl;
-
-	ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-	ctrl &= ~ADX_WDT_CONTROL_ENABLE;
-	writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-	wdt->state = WDT_STATE_STOP;
-}
-
-static void adx_wdt_stop(struct adx_wdt *wdt)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&wdt->lock, flags);
-	adx_wdt_stop_locked(wdt);
-	spin_unlock_irqrestore(&wdt->lock, flags);
-}
-
-static void adx_wdt_set_timeout(struct adx_wdt *wdt, unsigned long seconds)
-{
-	unsigned long timeout = seconds * 1000;
-	unsigned long flags;
-	unsigned int state;
-
-	spin_lock_irqsave(&wdt->lock, flags);
-	state = wdt->state;
-	adx_wdt_stop_locked(wdt);
-	writel(timeout, wdt->base + ADX_WDT_TIMEOUT);
-
-	if (state == WDT_STATE_START)
-		adx_wdt_start_locked(wdt);
-
-	wdt->timeout = timeout;
-	spin_unlock_irqrestore(&wdt->lock, flags);
-}
-
-static void adx_wdt_get_timeout(struct adx_wdt *wdt, unsigned long *seconds)
-{
-	*seconds = wdt->timeout / 1000;
-}
-
-static void adx_wdt_keepalive(struct adx_wdt *wdt)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&wdt->lock, flags);
-	writel(wdt->timeout, wdt->base + ADX_WDT_TIMEOUT);
-	spin_unlock_irqrestore(&wdt->lock, flags);
-}
-
-static int adx_wdt_open(struct inode *inode, struct file *file)
-{
-	struct adx_wdt *wdt = platform_get_drvdata(adx_wdt_dev);
-
-	if (test_and_set_bit(0, &driver_open))
-		return -EBUSY;
-
-	file->private_data = wdt;
-	adx_wdt_set_timeout(wdt, 30);
-	adx_wdt_start(wdt);
-
-	return nonseekable_open(inode, file);
-}
-
-static int adx_wdt_release(struct inode *inode, struct file *file)
-{
-	struct adx_wdt *wdt = file->private_data;
-
-	adx_wdt_stop(wdt);
-	clear_bit(0, &driver_open);
-
-	return 0;
-}
-
-static long adx_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	struct adx_wdt *wdt = file->private_data;
-	void __user *argp = (void __user *)arg;
-	unsigned long __user *p = argp;
-	unsigned long seconds = 0;
-	unsigned int options;
-	long ret = -EINVAL;
-
-	switch (cmd) {
-	case WDIOC_GETSUPPORT:
-		if (copy_to_user(argp, &adx_wdt_info, sizeof(adx_wdt_info)))
-			return -EFAULT;
-		else
-			return 0;
-
-	case WDIOC_GETSTATUS:
-	case WDIOC_GETBOOTSTATUS:
-		return put_user(0, p);
-
-	case WDIOC_KEEPALIVE:
-		adx_wdt_keepalive(wdt);
-		return 0;
-
-	case WDIOC_SETTIMEOUT:
-		if (get_user(seconds, p))
-			return -EFAULT;
-
-		adx_wdt_set_timeout(wdt, seconds);
-
-		/* fallthrough */
-	case WDIOC_GETTIMEOUT:
-		adx_wdt_get_timeout(wdt, &seconds);
-		return put_user(seconds, p);
-
-	case WDIOC_SETOPTIONS:
-		if (copy_from_user(&options, argp, sizeof(options)))
-			return -EFAULT;
-
-		if (options & WDIOS_DISABLECARD) {
-			adx_wdt_stop(wdt);
-			ret = 0;
-		}
-
-		if (options & WDIOS_ENABLECARD) {
-			adx_wdt_start(wdt);
-			ret = 0;
-		}
-
-		return ret;
-
-	default:
-		break;
-	}
-
-	return -ENOTTY;
-}
-
-static ssize_t adx_wdt_write(struct file *file, const char __user *data,
-		size_t len, loff_t *ppos)
-{
-	struct adx_wdt *wdt = file->private_data;
-
-	if (len)
-		adx_wdt_keepalive(wdt);
-
-	return len;
-}
-
-static const struct file_operations adx_wdt_fops = {
-	.owner = THIS_MODULE,
-	.llseek = no_llseek,
-	.open = adx_wdt_open,
-	.release = adx_wdt_release,
-	.unlocked_ioctl = adx_wdt_ioctl,
-	.write = adx_wdt_write,
-};
-
-static struct miscdevice adx_wdt_miscdev = {
-	.minor = WATCHDOG_MINOR,
-	.name = "watchdog",
-	.fops = &adx_wdt_fops,
-};
-
-static int __devinit adx_wdt_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct adx_wdt *wdt;
-	int ret = 0;
-	u32 ctrl;
-
-	wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL);
-	if (!wdt) {
-		dev_err(&pdev->dev, "cannot allocate WDT structure\n");
-		return -ENOMEM;
-	}
-
-	spin_lock_init(&wdt->lock);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "cannot obtain I/O memory region\n");
-		return -ENXIO;
-	}
-
-	res = devm_request_mem_region(&pdev->dev, res->start,
-			resource_size(res), res->name);
-	if (!res) {
-		dev_err(&pdev->dev, "cannot request I/O memory region\n");
-		return -ENXIO;
-	}
-
-	wdt->base = devm_ioremap_nocache(&pdev->dev, res->start,
-			resource_size(res));
-	if (!wdt->base) {
-		dev_err(&pdev->dev, "cannot remap I/O memory region\n");
-		return -ENXIO;
-	}
-
-	/* disable watchdog and reboot on timeout */
-	ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-	ctrl &= ~ADX_WDT_CONTROL_ENABLE;
-	ctrl &= ~ADX_WDT_CONTROL_nRESET;
-	writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-
-	platform_set_drvdata(pdev, wdt);
-	adx_wdt_dev = pdev;
-
-	ret = misc_register(&adx_wdt_miscdev);
-	if (ret) {
-		dev_err(&pdev->dev, "cannot register miscdev on minor %d "
-				"(err=%d)\n", WATCHDOG_MINOR, ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int __devexit adx_wdt_remove(struct platform_device *pdev)
-{
-	struct adx_wdt *wdt = platform_get_drvdata(pdev);
-
-	misc_deregister(&adx_wdt_miscdev);
-	adx_wdt_stop(wdt);
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-static void adx_wdt_shutdown(struct platform_device *pdev)
-{
-	struct adx_wdt *wdt = platform_get_drvdata(pdev);
-	adx_wdt_stop(wdt);
-}
-
-#ifdef CONFIG_PM
-static int adx_wdt_suspend(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct adx_wdt *wdt = platform_get_drvdata(pdev);
-
-	wdt->wake = (wdt->state == WDT_STATE_START) ? 1 : 0;
-	adx_wdt_stop(wdt);
-
-	return 0;
-}
-
-static int adx_wdt_resume(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct adx_wdt *wdt = platform_get_drvdata(pdev);
-
-	if (wdt->wake)
-		adx_wdt_start(wdt);
-
-	return 0;
-}
-
-static const struct dev_pm_ops adx_wdt_pm_ops = {
-	.suspend = adx_wdt_suspend,
-	.resume = adx_wdt_resume,
-};
-
-#  define ADX_WDT_PM_OPS	(&adx_wdt_pm_ops)
-#else
-#  define ADX_WDT_PM_OPS	NULL
-#endif
-
-static struct platform_driver adx_wdt_driver = {
-	.probe = adx_wdt_probe,
-	.remove = __devexit_p(adx_wdt_remove),
-	.shutdown = adx_wdt_shutdown,
-	.driver = {
-		.name = WATCHDOG_NAME,
-		.owner = THIS_MODULE,
-		.pm = ADX_WDT_PM_OPS,
-	},
-};
-
-static int __init adx_wdt_init(void)
-{
-	return platform_driver_register(&adx_wdt_driver);
-}
-
-static void __exit adx_wdt_exit(void)
-{
-	platform_driver_unregister(&adx_wdt_driver);
-}
-
-module_init(adx_wdt_init);
-module_exit(adx_wdt_exit);
-
-MODULE_DESCRIPTION("Avionic Design Xanthos Watchdog Driver");
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Thierry Reding <thierry.reding@avionic-design.de>");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-- 
GitLab


From 0f768a7235d3dfb6f4833030a95a06419df089cb Mon Sep 17 00:00:00 2001
From: Timur Tabi <timur@freescale.com>
Date: Mon, 14 Nov 2011 16:35:26 -0600
Subject: [PATCH 0554/1594] ASoC: fsl_ssi: properly initialize the sysfs
 attribute object

Commit 6992f533 ("sysfs: Use one lockdep class per sysfs attribute")
requires 'struct attribute' objects to be initialized with sysfs_attr_init().

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 sound/soc/fsl/fsl_ssi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 0268cf989736..83c4bd5b2dd7 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -694,6 +694,7 @@ static int __devinit fsl_ssi_probe(struct platform_device *pdev)
 
 	/* Initialize the the device_attribute structure */
 	dev_attr = &ssi_private->dev_attr;
+	sysfs_attr_init(&dev_attr->attr);
 	dev_attr->attr.name = "statistics";
 	dev_attr->attr.mode = S_IRUGO;
 	dev_attr->show = fsl_sysfs_ssi_show;
-- 
GitLab


From f1ebcc74d5b2159f44c96b479b6eb8afc7829095 Mon Sep 17 00:00:00 2001
From: Liu Bo <liubo2009@cn.fujitsu.com>
Date: Mon, 14 Nov 2011 20:48:06 -0500
Subject: [PATCH 0555/1594] Btrfs: fix tree corruption after multi-thread
 snapshots and inode_cache flush

The btrfs snapshotting code requires that once a root has been
snapshotted, we don't change it during a commit.

But there are two cases to lead to tree corruptions:

1) multi-thread snapshots can commit serveral snapshots in a transaction,
   and this may change the src root when processing the following pending
   snapshots, which lead to the former snapshots corruptions;

2) the free inode cache was changing the roots when it root the cache,
   which lead to corruptions.

This fixes things by making sure we force COW the block after we create a
snapshot during commiting a transaction, then any changes to the roots
will result in COW, and we get all the fs roots and snapshot roots to be
consistent.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.c       | 17 ++++++++++++++++-
 fs/btrfs/ctree.h       |  2 ++
 fs/btrfs/transaction.c |  8 ++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 0fe615e4ea38..dede441bdeee 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -514,10 +514,25 @@ static inline int should_cow_block(struct btrfs_trans_handle *trans,
 				   struct btrfs_root *root,
 				   struct extent_buffer *buf)
 {
+	/* ensure we can see the force_cow */
+	smp_rmb();
+
+	/*
+	 * We do not need to cow a block if
+	 * 1) this block is not created or changed in this transaction;
+	 * 2) this block does not belong to TREE_RELOC tree;
+	 * 3) the root is not forced COW.
+	 *
+	 * What is forced COW:
+	 *    when we create snapshot during commiting the transaction,
+	 *    after we've finished coping src root, we must COW the shared
+	 *    block to ensure the metadata consistency.
+	 */
 	if (btrfs_header_generation(buf) == trans->transid &&
 	    !btrfs_header_flag(buf, BTRFS_HEADER_FLAG_WRITTEN) &&
 	    !(root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID &&
-	      btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC)))
+	      btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC)) &&
+	    !root->force_cow)
 		return 0;
 	return 1;
 }
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b9ba59ff9292..b1cb3c052484 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1271,6 +1271,8 @@ struct btrfs_root {
 	 * for stat.  It may be used for more later
 	 */
 	dev_t anon_dev;
+
+	int force_cow;
 };
 
 struct btrfs_ioctl_defrag_range_args {
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 6a0574e923bc..81376d94cd3c 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -785,6 +785,10 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans,
 
 			btrfs_save_ino_cache(root, trans);
 
+			/* see comments in should_cow_block() */
+			root->force_cow = 0;
+			smp_wmb();
+
 			if (root->commit_root != root->node) {
 				mutex_lock(&root->fs_commit_mutex);
 				switch_commit_root(root);
@@ -947,6 +951,10 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	btrfs_tree_unlock(old);
 	free_extent_buffer(old);
 
+	/* see comments in should_cow_block() */
+	root->force_cow = 1;
+	smp_wmb();
+
 	btrfs_set_root_node(new_root_item, tmp);
 	/* record when the snapshot was created in key.offset */
 	key.offset = trans->transid;
-- 
GitLab


From c18b7806e4f3373b2f296a65fb19251a3b49a532 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Sat, 12 Nov 2011 19:10:43 +0100
Subject: [PATCH 0556/1594] rt2x00: Add USB device ID of Buffalo WLI-UC-GNHP.

This is reported to be an RT3070 based device.

Reported-by: Teika Kazura <teika@lavabit.com>
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index f1565792f270..377876315b8d 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -919,6 +919,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x050d, 0x935b) },
 	/* Buffalo */
 	{ USB_DEVICE(0x0411, 0x00e8) },
+	{ USB_DEVICE(0x0411, 0x0158) },
 	{ USB_DEVICE(0x0411, 0x016f) },
 	{ USB_DEVICE(0x0411, 0x01a2) },
 	/* Corega */
-- 
GitLab


From ed66ba472a742cd8df37d7072804b2111cdb1014 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Sat, 12 Nov 2011 19:10:44 +0100
Subject: [PATCH 0557/1594] rt2x00: Fix sleep-while-atomic bug in powersaving
 code.

The generic powersaving code that determines after reception of a frame
whether the device should go back to sleep or whether is could stay
awake was calling rt2x00lib_config directly from RX tasklet context.
On a number of the devices this call can actually sleep, due to having
to confirm that the sleeping commands have been executed successfully.

Fix this by moving the call to rt2x00lib_config to a workqueue call.

This fixes bug https://bugzilla.redhat.com/show_bug.cgi?id=731672

Tested-by: Tomas Trnka <tomastrnka@gmx.com>
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Cc: <stable@vger.kernel.org>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00.h    |  1 +
 drivers/net/wireless/rt2x00/rt2x00dev.c | 22 ++++++++++++++++++++--
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 2ec5c00235e6..99ff12d0c29d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -943,6 +943,7 @@ struct rt2x00_dev {
 	 * Powersaving work
 	 */
 	struct delayed_work autowakeup_work;
+	struct work_struct sleep_work;
 
 	/*
 	 * Data queue arrays for RX, TX, Beacon and ATIM.
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index e1fb2a8569be..edd317fa7c0a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -465,6 +465,23 @@ static u8 *rt2x00lib_find_ie(u8 *data, unsigned int len, u8 ie)
 	return NULL;
 }
 
+static void rt2x00lib_sleep(struct work_struct *work)
+{
+	struct rt2x00_dev *rt2x00dev =
+	    container_of(work, struct rt2x00_dev, sleep_work);
+
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		return;
+
+	/*
+	 * Check again is powersaving is enabled, to prevent races from delayed
+	 * work execution.
+	 */
+	if (!test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags))
+		rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf,
+				 IEEE80211_CONF_CHANGE_PS);
+}
+
 static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev,
 				      struct sk_buff *skb,
 				      struct rxdone_entry_desc *rxdesc)
@@ -512,8 +529,7 @@ static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev,
 	cam |= (tim_ie->bitmap_ctrl & 0x01);
 
 	if (!cam && !test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags))
-		rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf,
-				 IEEE80211_CONF_CHANGE_PS);
+		queue_work(rt2x00dev->workqueue, &rt2x00dev->sleep_work);
 }
 
 static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev,
@@ -1141,6 +1157,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
 
 	INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
 	INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup);
+	INIT_WORK(&rt2x00dev->sleep_work, rt2x00lib_sleep);
 
 	/*
 	 * Let the driver probe the device to detect the capabilities.
@@ -1197,6 +1214,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
 	 */
 	cancel_work_sync(&rt2x00dev->intf_work);
 	cancel_delayed_work_sync(&rt2x00dev->autowakeup_work);
+	cancel_work_sync(&rt2x00dev->sleep_work);
 	if (rt2x00_is_usb(rt2x00dev)) {
 		del_timer_sync(&rt2x00dev->txstatus_timer);
 		cancel_work_sync(&rt2x00dev->rxdone_work);
-- 
GitLab


From fe09b32a4361bea44169b2063e8c867cabb6a8ba Mon Sep 17 00:00:00 2001
From: Jesper Juhl <jj@chaosbits.net>
Date: Sun, 13 Nov 2011 22:14:32 +0100
Subject: [PATCH 0558/1594] Net, libertas: Resolve memory leak in
 if_spi_host_to_card()

If we hit the default case in the switch in if_spi_host_to_card() we'll leak
the memory we allocated for 'packet'. This patch resolves the leak by freeing
the allocated memory in that case.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Dan Williams <dcbw@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/if_spi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index 622ae6de0d8b..7059d9645dab 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -995,6 +995,7 @@ static int if_spi_host_to_card(struct lbs_private *priv,
 		spin_unlock_irqrestore(&card->buffer_lock, flags);
 		break;
 	default:
+		kfree(packet);
 		netdev_err(priv->dev, "can't transfer buffer of type %d\n",
 			   type);
 		err = -EINVAL;
-- 
GitLab


From bc5b8a9003132ae44559edd63a1623b7b99dfb68 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 14 Nov 2011 17:52:08 +0300
Subject: [PATCH 0559/1594] hfs: add sanity check for file name length

On a corrupted file system the ->len field could be wrong leading to
a buffer overflow.

Reported-and-acked-by: Clement LECIGNE <clement.lecigne@netasq.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/hfs/trans.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/hfs/trans.c b/fs/hfs/trans.c
index e673a88b8ae7..b1ce4c7ad3fb 100644
--- a/fs/hfs/trans.c
+++ b/fs/hfs/trans.c
@@ -40,6 +40,8 @@ int hfs_mac2asc(struct super_block *sb, char *out, const struct hfs_name *in)
 
 	src = in->name;
 	srclen = in->len;
+	if (srclen > HFS_NAMELEN)
+		srclen = HFS_NAMELEN;
 	dst = out;
 	dstlen = HFS_MAX_NAMELEN;
 	if (nls_io) {
-- 
GitLab


From cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 15 Nov 2011 15:02:59 -0200
Subject: [PATCH 0560/1594] Linux 3.2-rc2

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 361e4f00e6b9..dab8610c4d6f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc2
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
-- 
GitLab


From 731ad81e2dd97e3f222361f7b3ff4b35639e46af Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Fri, 28 Oct 2011 09:37:34 +0900
Subject: [PATCH 0561/1594] USB: pch_udc: Support new device LAPIS
 Semiconductor ML7831 IOH

ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/Kconfig   | 9 +++++----
 drivers/usb/gadget/pch_udc.c | 6 ++++++
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index b21cd376c11a..23a447373c51 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -469,7 +469,7 @@ config USB_LANGWELL
 	   gadget drivers to also be dynamically linked.
 
 config USB_EG20T
-	tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC"
+	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC"
 	depends on PCI
 	select USB_GADGET_DUALSPEED
 	help
@@ -485,10 +485,11 @@ config USB_EG20T
 	  This driver dose not support interrupt transfer or isochronous
 	  transfer modes.
 
-	  This driver also can be used for OKI SEMICONDUCTOR's ML7213 which is
+	  This driver also can be used for LAPIS Semiconductor's ML7213 which is
 	  for IVI(In-Vehicle Infotainment) use.
-	  ML7213 is companion chip for Intel Atom E6xx series.
-	  ML7213 is completely compatible for Intel EG20T PCH.
+	  ML7831 is for general purpose use.
+	  ML7213/ML7831 is companion chip for Intel Atom E6xx series.
+	  ML7213/ML7831 is completely compatible for Intel EG20T PCH.
 
 config USB_CI13XXX_MSM
 	tristate "MIPS USB CI13xxx for MSM"
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 550d6dcdf104..729e974dd6d7 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -354,6 +354,7 @@ struct pch_udc_dev {
 #define PCI_DEVICE_ID_INTEL_EG20T_UDC	0x8808
 #define PCI_VENDOR_ID_ROHM		0x10DB
 #define PCI_DEVICE_ID_ML7213_IOH_UDC	0x801D
+#define PCI_DEVICE_ID_ML7831_IOH_UDC	0x8808
 
 static const char	ep0_string[] = "ep0in";
 static DEFINE_SPINLOCK(udc_stall_spinlock);	/* stall spin lock */
@@ -2970,6 +2971,11 @@ static DEFINE_PCI_DEVICE_TABLE(pch_udc_pcidev_id) = {
 		.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
 		.class_mask = 0xffffffff,
 	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7831_IOH_UDC),
+		.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+		.class_mask = 0xffffffff,
+	},
 	{ 0 },
 };
 
-- 
GitLab


From 09b658dcb23efab48af10f85d5003ad3659938bc Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Fri, 28 Oct 2011 09:37:35 +0900
Subject: [PATCH 0562/1594] USB: pch_udc: Change company name OKI SEMICONDUCTOR
 to LAPIS Semiconductor

On October 1 in 2011,
OKI SEMICONDUCTOR Co., Ltd. changed the company name in to LAPIS Semiconductor Co., Ltd.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/pch_udc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 729e974dd6d7..5048a0c07640 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -3005,5 +3005,5 @@ static void __exit pch_udc_pci_exit(void)
 module_exit(pch_udc_pci_exit);
 
 MODULE_DESCRIPTION("Intel EG20T USB Device Controller");
-MODULE_AUTHOR("OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com>");
+MODULE_AUTHOR("LAPIS Semiconductor, <tomoya-linux@dsn.lapis-semi.com>");
 MODULE_LICENSE("GPL");
-- 
GitLab


From 0c16595539b612fe948559433dda08ff96a8bdc7 Mon Sep 17 00:00:00 2001
From: wangyanqing <udknight@gmail.com>
Date: Thu, 10 Nov 2011 14:04:08 +0800
Subject: [PATCH 0563/1594] USB: serial: pl2303: rm duplicate id

I get report from customer that his usb-serial
converter doesn't work well,it sometimes work,
but sometimes it doesn't.

The usb-serial converter's id:
vendor_id product_id
0x4348    0x5523

Then I search the usb-serial codes, and there are
two drivers announce support this device, pl2303
and ch341, commit 026dfaf1 cause it. Through many
times to test, ch341 works well with this device,
and pl2303 doesn't work quite often(it just work quite little).

ch341 works well with this device, so we doesn't
need pl2303 to support.I try to revert 026dfaf1 first,
but it failed. So I prepare this patch by hand to revert it.

Signed-off-by: Wang YanQing <Udknight@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/pl2303.c | 1 -
 drivers/usb/serial/pl2303.h | 4 ----
 2 files changed, 5 deletions(-)

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 9083d1e616b4..fc2d66f7f4eb 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -91,7 +91,6 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
 	{ USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
 	{ USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) },
-	{ USB_DEVICE(WINCHIPHEAD_VENDOR_ID, WINCHIPHEAD_USBSER_PRODUCT_ID) },
 	{ USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 3d10d7f02072..c38b8c00c06f 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -145,10 +145,6 @@
 #define ADLINK_VENDOR_ID		0x0b63
 #define ADLINK_ND6530_PRODUCT_ID	0x6530
 
-/* WinChipHead USB->RS 232 adapter */
-#define WINCHIPHEAD_VENDOR_ID		0x4348
-#define WINCHIPHEAD_USBSER_PRODUCT_ID	0x5523
-
 /* SMART USB Serial Adapter */
 #define SMART_VENDOR_ID	0x0b8c
 #define SMART_PRODUCT_ID	0x2303
-- 
GitLab


From 5b061623355d8f69327a24838b0aa05e435ae5d5 Mon Sep 17 00:00:00 2001
From: VU Tuan Duc <DucVT@viettel.com.vn>
Date: Tue, 15 Nov 2011 14:08:00 +0700
Subject: [PATCH 0564/1594] USB: option: add id for 3G dongle Model VT1000 of
 Viettel

Add VendorID/ProductID for USB 3G dongle Model VT1000 of Viettel.

Signed-off-by: VU Tuan Duc <ducvt@viettel.com.vn>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 89ae1f65e1b1..b8da93b3615c 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -468,6 +468,10 @@ static void option_instat_callback(struct urb *urb);
 #define YUGA_PRODUCT_CLU528			0x260D
 #define YUGA_PRODUCT_CLU526			0x260F
 
+/* Viettel products */
+#define VIETTEL_VENDOR_ID			0x2262
+#define VIETTEL_PRODUCT_VT1000			0x0002
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -1141,6 +1145,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) },
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) },
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
-- 
GitLab


From bc985c10f388c0e5fb2cff95ff2220721627fbd8 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Tue, 15 Nov 2011 09:23:26 +0200
Subject: [PATCH 0565/1594] USB: storage: ene_ub6250: fix compile warnings
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix the following compile warning:

| drivers/usb/storage/ene_ub6250.c: In function ‘ms_scsi_write’:
| drivers/usb/storage/ene_ub6250.c:1728:6: warning: ‘result’ may \
|	be used uninitialized in this function [-Wuninitialized]
| drivers/usb/storage/ene_ub6250.c:1795:77: warning: ‘offset’ may \
|	be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/storage/ene_ub6250.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c
index 4dca3ef0668c..9fbe742343c6 100644
--- a/drivers/usb/storage/ene_ub6250.c
+++ b/drivers/usb/storage/ene_ub6250.c
@@ -1762,10 +1762,9 @@ static int ms_scsi_write(struct us_data *us, struct scsi_cmnd *srb)
 		result = ene_send_scsi_cmd(us, FDIR_WRITE, scsi_sglist(srb), 1);
 	} else {
 		void *buf;
-		int offset;
+		int offset = 0;
 		u16 PhyBlockAddr;
 		u8 PageNum;
-		u32 result;
 		u16 len, oldphy, newphy;
 
 		buf = kmalloc(blenByte, GFP_KERNEL);
-- 
GitLab


From f64ae042d94d376b54e7a343d93c48561e9d2e16 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Fri, 11 Nov 2011 08:33:48 +0800
Subject: [PATCH 0566/1594] slub: use correct parameter to add a page to
 partial list tail

unfreeze_partials() needs add the page to partial list tail, since such page
hasn't too many free objects. We now explictly use DEACTIVATE_TO_TAIL for this,
while DEACTIVATE_TO_TAIL != 1. This will cause performance regression (eg, more
lock contention in node->list_lock) without below fix.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
 mm/slub.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/slub.c b/mm/slub.c
index 7d2a996c307e..60e16c43f88c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1904,7 +1904,8 @@ static void unfreeze_partials(struct kmem_cache *s)
 				if (l == M_PARTIAL)
 					remove_partial(n, page);
 				else
-					add_partial(n, page, 1);
+					add_partial(n, page,
+						DEACTIVATE_TO_TAIL);
 
 				l = m;
 			}
-- 
GitLab


From 9ada19342b2441f290f0043ed7c562682c8c4ede Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Mon, 14 Nov 2011 13:34:13 +0800
Subject: [PATCH 0567/1594] slub: move discard_slab out of node lock

Lockdep reports there is potential deadlock for slub node list_lock.
discard_slab() is called with the lock hold in unfreeze_partials(),
which could trigger a slab allocation, which could hold the lock again.

discard_slab() doesn't need hold the lock actually, if the slab is
already removed from partial list.

Acked-by: Christoph Lameter <cl@linux.com>
Reported-and-tested-by: Yong Zhang <yong.zhang0@gmail.com>
Reported-and-tested-by: Julie Sullivan <kernelmail.jms@gmail.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
 mm/slub.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 60e16c43f88c..00efbb56a268 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1862,7 +1862,7 @@ static void unfreeze_partials(struct kmem_cache *s)
 {
 	struct kmem_cache_node *n = NULL;
 	struct kmem_cache_cpu *c = this_cpu_ptr(s->cpu_slab);
-	struct page *page;
+	struct page *page, *discard_page = NULL;
 
 	while ((page = c->partial)) {
 		enum slab_modes { M_PARTIAL, M_FREE };
@@ -1916,14 +1916,22 @@ static void unfreeze_partials(struct kmem_cache *s)
 				"unfreezing slab"));
 
 		if (m == M_FREE) {
-			stat(s, DEACTIVATE_EMPTY);
-			discard_slab(s, page);
-			stat(s, FREE_SLAB);
+			page->next = discard_page;
+			discard_page = page;
 		}
 	}
 
 	if (n)
 		spin_unlock(&n->list_lock);
+
+	while (discard_page) {
+		page = discard_page;
+		discard_page = discard_page->next;
+
+		stat(s, DEACTIVATE_EMPTY);
+		discard_slab(s, page);
+		stat(s, FREE_SLAB);
+	}
 }
 
 /*
-- 
GitLab


From 584ad00ce4bfe594e4c4a89944b3c635187a1ca1 Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Fri, 28 Oct 2011 09:33:13 +0900
Subject: [PATCH 0568/1594] pch_phub: Support new device LAPIS Semiconductor
 ML7831 IOH

ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/misc/Kconfig    | 15 ++++++++-------
 drivers/misc/pch_phub.c | 20 ++++++++++++++++++++
 2 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index d593878d66d0..5664696f2d3a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -472,7 +472,7 @@ config BMP085
 	  module will be called bmp085.
 
 config PCH_PHUB
-	tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"
+	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) PHUB"
 	depends on PCI
 	help
 	  This driver is for PCH(Platform controller Hub) PHUB(Packet Hub) of
@@ -480,12 +480,13 @@ config PCH_PHUB
 	  processor. The Topcliff has MAC address and Option ROM data in SROM.
 	  This driver can access MAC address and Option ROM data in SROM.
 
-	  This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
-	  Output Hub), ML7213 and ML7223.
-	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
-	  for MP(Media Phone) use.
-	  ML7213/ML7223 is companion chip for Intel Atom E6xx series.
-	  ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+	  This driver also can be used for LAPIS Semiconductor's IOH,
+	  ML7213/ML7223/ML7831.
+	  ML7213 which is for IVI(In-Vehicle Infotainment) use.
+	  ML7223 IOH is for MP(Media Phone) use.
+	  ML7831 IOH is for general purpose use.
+	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 
 	  To compile this driver as a module, choose M here: the module will
 	  be called pch_phub.
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index dee33addcaeb..b50f48af49dd 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -73,6 +73,9 @@
 #define PCI_DEVICE_ID_ROHM_ML7223_mPHUB	0x8012 /* for Bus-m */
 #define PCI_DEVICE_ID_ROHM_ML7223_nPHUB	0x8002 /* for Bus-n */
 
+/* Macros for ML7831 */
+#define PCI_DEVICE_ID_ROHM_ML7831_PHUB 0x8801
+
 /* SROM ACCESS Macro */
 #define PCH_WORD_ADDR_MASK (~((1 << 2) - 1))
 
@@ -763,6 +766,22 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
 		chip->pch_opt_rom_start_address =\
 						 PCH_PHUB_ROM_START_ADDR_ML7223;
 		chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223;
+	} else if (id->driver_data == 5) { /* ML7831 */
+		retval = sysfs_create_file(&pdev->dev.kobj,
+					   &dev_attr_pch_mac.attr);
+		if (retval)
+			goto err_sysfs_create;
+
+		retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+		if (retval)
+			goto exit_bin_attr;
+
+		/* set the prefech value */
+		iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14);
+		/* set the interrupt delay value */
+		iowrite32(0x25, chip->pch_phub_base_address + 0x44);
+		chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T;
+		chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T;
 	}
 
 	chip->ioh_type = id->driver_data;
@@ -847,6 +866,7 @@ static struct pci_device_id pch_phub_pcidev_id[] = {
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2,  },
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3,  },
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4,  },
+	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7831_PHUB), 5,  },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id);
-- 
GitLab


From 7f2732c8d7c06f97cc1d530177b7635cb8890b35 Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Fri, 28 Oct 2011 09:33:14 +0900
Subject: [PATCH 0569/1594] pch_phub: Change company name OKI SEMICONDUCTOR to
 LAPIS Semiconductor

On October 1 in 2011,
OKI SEMICONDUCTOR Co., Ltd. changed the company name in to LAPIS Semiconductor Co., Ltd.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/misc/pch_phub.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index b50f48af49dd..e7c59950a2a5 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -41,10 +41,10 @@
 #define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset
 					      (Intel EG20T PCH)*/
 #define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address
-						offset(OKI SEMICONDUCTOR ML7213)
+						offset(LAPIS Semicon ML7213)
 					      */
 #define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address
-						offset(OKI SEMICONDUCTOR ML7223)
+						offset(LAPIS Semicon ML7223)
 					      */
 
 /* MAX number of INT_REDUCE_CONTROL registers */
@@ -893,5 +893,5 @@ static void __exit pch_phub_pci_exit(void)
 module_init(pch_phub_pci_init);
 module_exit(pch_phub_pci_exit);
 
-MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB");
+MODULE_DESCRIPTION("Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7223) PHUB");
 MODULE_LICENSE("GPL");
-- 
GitLab


From 9914a0de7a27ef2cb5d9aacfe50ae97ebb532f28 Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Date: Fri, 11 Nov 2011 10:12:17 +0900
Subject: [PATCH 0570/1594] pch_phub: Improve ADE(Address Decode Enable)
 control

Currently, external ROM access is enabled/disabled in probe()/remove().
So, when a buggy software access unanticipated memory area,
in case of enabling this ADE bit,
external ROM memory area can be broken.

This patch enables the ADE bit only accessing external ROM area.

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: Masayuki Ohtak <masa-korg@dsn.okisemi.com>
Cc: Alexander Stein <alexander.stein@systec-electronic.com>
Cc: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/misc/pch_phub.c | 51 +++++++++++++++++++++++++++--------------
 1 file changed, 34 insertions(+), 17 deletions(-)

diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index e7c59950a2a5..0e2c1819a944 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -118,6 +118,7 @@
  * @pch_mac_start_address:		MAC address area start address
  * @pch_opt_rom_start_address:		Option ROM start address
  * @ioh_type:				Save IOH type
+ * @pdev:				pointer to pci device struct
  */
 struct pch_phub_reg {
 	u32 phub_id_reg;
@@ -139,6 +140,7 @@ struct pch_phub_reg {
 	u32 pch_mac_start_address;
 	u32 pch_opt_rom_start_address;
 	int ioh_type;
+	struct pci_dev *pdev;
 };
 
 /* SROM SPEC for MAC address assignment offset */
@@ -501,6 +503,7 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
 	unsigned int orom_size;
 	int ret;
 	int err;
+	ssize_t rom_size;
 
 	struct pch_phub_reg *chip =
 		dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -512,6 +515,10 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
 	}
 
 	/* Get Rom signature */
+	chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+	if (!chip->pch_phub_extrom_base_address)
+		goto exrom_map_err;
+
 	pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address,
 				(unsigned char *)&rom_signature);
 	rom_signature &= 0xff;
@@ -542,10 +549,13 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
 		goto return_err;
 	}
 return_ok:
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 	mutex_unlock(&pch_phub_mutex);
 	return addr_offset;
 
 return_err:
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+exrom_map_err:
 	mutex_unlock(&pch_phub_mutex);
 return_err_nomutex:
 	return err;
@@ -558,6 +568,7 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
 	int err;
 	unsigned int addr_offset;
 	int ret;
+	ssize_t rom_size;
 	struct pch_phub_reg *chip =
 		dev_get_drvdata(container_of(kobj, struct device, kobj));
 
@@ -574,6 +585,12 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
 		goto return_ok;
 	}
 
+	chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+	if (!chip->pch_phub_extrom_base_address) {
+		err = -ENOMEM;
+		goto exrom_map_err;
+	}
+
 	for (addr_offset = 0; addr_offset < count; addr_offset++) {
 		if (PCH_PHUB_OROM_SIZE < off + addr_offset)
 			goto return_ok;
@@ -588,10 +605,14 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
 	}
 
 return_ok:
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 	mutex_unlock(&pch_phub_mutex);
 	return addr_offset;
 
 return_err:
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+
+exrom_map_err:
 	mutex_unlock(&pch_phub_mutex);
 	return err;
 }
@@ -601,8 +622,14 @@ static ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr,
 {
 	u8 mac[8];
 	struct pch_phub_reg *chip = dev_get_drvdata(dev);
+	ssize_t rom_size;
+
+	chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+	if (!chip->pch_phub_extrom_base_address)
+		return -ENOMEM;
 
 	pch_phub_read_gbe_mac_addr(chip, mac);
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 
 	return sprintf(buf, "%pM\n", mac);
 }
@@ -611,6 +638,7 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
 			     const char *buf, size_t count)
 {
 	u8 mac[6];
+	ssize_t rom_size;
 	struct pch_phub_reg *chip = dev_get_drvdata(dev);
 
 	if (count != 18)
@@ -620,7 +648,12 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
 		(u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3],
 		(u32 *)&mac[4], (u32 *)&mac[5]);
 
+	chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+	if (!chip->pch_phub_extrom_base_address)
+		return -ENOMEM;
+
 	pch_phub_write_gbe_mac_addr(chip, mac);
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 
 	return count;
 }
@@ -643,7 +676,6 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
 	int retval;
 
 	int ret;
-	ssize_t rom_size;
 	struct pch_phub_reg *chip;
 
 	chip = kzalloc(sizeof(struct pch_phub_reg), GFP_KERNEL);
@@ -680,19 +712,7 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
 		"in pch_phub_base_address variable is %p\n", __func__,
 		chip->pch_phub_base_address);
 
-	if (id->driver_data != 3) {
-		chip->pch_phub_extrom_base_address =\
-						   pci_map_rom(pdev, &rom_size);
-		if (chip->pch_phub_extrom_base_address == 0) {
-			dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__);
-			ret = -ENOMEM;
-			goto err_pci_map;
-		}
-		dev_dbg(&pdev->dev, "%s : "
-			"pci_map_rom SUCCESS and value in "
-			"pch_phub_extrom_base_address variable is %p\n",
-			__func__, chip->pch_phub_extrom_base_address);
-	}
+	chip->pdev = pdev; /* Save pci device struct */
 
 	if (id->driver_data == 1) { /* EG20T PCH */
 		const char *board_name;
@@ -792,8 +812,6 @@ exit_bin_attr:
 	sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
 
 err_sysfs_create:
-	pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
-err_pci_map:
 	pci_iounmap(pdev, chip->pch_phub_base_address);
 err_pci_iomap:
 	pci_release_regions(pdev);
@@ -811,7 +829,6 @@ static void __devexit pch_phub_remove(struct pci_dev *pdev)
 
 	sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
 	sysfs_remove_bin_file(&pdev->dev.kobj, &pch_bin_attr);
-	pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
 	pci_iounmap(pdev, chip->pch_phub_base_address);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
-- 
GitLab


From 2a9887919457c6e1bd482e8448223be59d19010a Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Date: Fri, 11 Nov 2011 10:12:18 +0900
Subject: [PATCH 0571/1594] pch_phub: Fix MAC address writing issue for LAPIS
 ML7831

ISSUE:
Using ML7831, MAC address writing doesn't work well.

CAUSE:
ML7831 and EG20T have the same register map for MAC address access.
However, this driver processes the writing the same as ML7223.
This is not true.
This driver must process the writing the same as EG20T.
This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: Masayuki Ohtak <masa-korg@dsn.okisemi.com>
Cc: Alexander Stein <alexander.stein@systec-electronic.com>
Cc: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/misc/pch_phub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index 0e2c1819a944..10fc4785dba7 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -476,7 +476,7 @@ static int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data)
 	int retval;
 	int i;
 
-	if (chip->ioh_type == 1) /* EG20T */
+	if ((chip->ioh_type == 1) || (chip->ioh_type == 5)) /* EG20T or ML7831*/
 		retval = pch_phub_gbe_serial_rom_conf(chip);
 	else	/* ML7223 */
 		retval = pch_phub_gbe_serial_rom_conf_mp(chip);
-- 
GitLab


From 7b08fae8fbf0c14f003be8e039ed37bcbae4415a Mon Sep 17 00:00:00 2001
From: Marcos Paulo de Souza <marcos.mage@gmail.com>
Date: Tue, 1 Nov 2011 11:15:40 -0700
Subject: [PATCH 0572/1594] device.h: Fix struct member documentation

Fix warning of make xmldocs of documention of the struct member iommu_ops from struct bus_type.

Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/device.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/device.h b/include/linux/device.h
index ffbcf95cd97d..2b8832060893 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -69,7 +69,7 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *);
  * @resume:	Called to bring a device on this bus out of sleep mode.
  * @pm:		Power management operations of this bus, callback the specific
  *		device driver's pm-ops.
- * @iommu_ops   IOMMU specific operations for this bus, used to attach IOMMU
+ * @iommu_ops:  IOMMU specific operations for this bus, used to attach IOMMU
  *              driver implementations to a bus and allow the driver to do
  *              bus-specific setup
  * @p:		The private data of the driver core, only the driver core can
-- 
GitLab


From b2433d861eaf349f4dcdc9281e75b139c1809dd3 Mon Sep 17 00:00:00 2001
From: Geoff Thorpe <geoff@geoffthorpe.net>
Date: Wed, 2 Nov 2011 11:44:44 -0400
Subject: [PATCH 0573/1594] uio: documentation fixups

The 'name' attribute of struct uio_mem wasn't documented, and the note
about 'kobj' is stale and needs to be changed to 'map'.

Signed-off-by: Geoff Thorpe <geoff@geoffthorpe.net>
Signed-off-by: "Hans J. Koch" <hjk@hansjkoch.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/DocBook/uio-howto.tmpl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl
index 54883de5d5f9..ac3d0018140c 100644
--- a/Documentation/DocBook/uio-howto.tmpl
+++ b/Documentation/DocBook/uio-howto.tmpl
@@ -520,6 +520,11 @@ Here's a description of the fields of <varname>struct uio_mem</varname>:
 </para>
 
 <itemizedlist>
+<listitem><para>
+<varname>const char *name</varname>: Optional. Set this to help identify
+the memory region, it will show up in the corresponding sysfs node.
+</para></listitem>
+
 <listitem><para>
 <varname>int memtype</varname>: Required if the mapping is used. Set this to
 <varname>UIO_MEM_PHYS</varname> if you you have physical memory on your
@@ -553,7 +558,7 @@ instead to remember such an address.
 </itemizedlist>
 
 <para>
-Please do not touch the <varname>kobj</varname> element of
+Please do not touch the <varname>map</varname> element of
 <varname>struct uio_mem</varname>! It is used by the UIO framework
 to set up sysfs files for this mapping. Simply leave it alone.
 </para>
-- 
GitLab


From b872a37437e93df9d112ce674752b3b3a0a17020 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 14 Nov 2011 09:33:56 -0500
Subject: [PATCH 0574/1594] drm/radeon: add some missing FireMV pci ids

Noticed by Egbert.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Cc: Egbert Eich <eich@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 include/drm/drm_pciids.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 3d53efd25ab9..f81676f1b310 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -4,6 +4,7 @@
 */
 #define radeon_PCI_IDS \
 	{0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
+	{0x1002, 0x3151, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x3155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -55,6 +56,7 @@
 	{0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
+	{0x1002, 0x4C6E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
 	{0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
 	{0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
-- 
GitLab


From 6c47e5c23aa2a7c54ad7ac13af4bd56cd9e703bf Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 14 Nov 2011 14:32:01 -0500
Subject: [PATCH 0575/1594] drm/radeon/kms: fix up gpio i2c mask bits for r4xx

Fixes i2c test failures when i2c_algo_bit.bit_test=1.

The hw doesn't actually require a mask, so just set it
to the default mask bits for r1xx-r4xx radeon ddc.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index d2d179267af3..0a4ec1ed02c0 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -85,6 +85,18 @@ static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rd
 		for (i = 0; i < num_indices; i++) {
 			gpio = &i2c_info->asGPIO_Info[i];
 
+			/* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
+			if ((rdev->family == CHIP_R420) ||
+			    (rdev->family == CHIP_R423) ||
+			    (rdev->family == CHIP_RV410)) {
+				if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
+				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
+				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
+					gpio->ucClkMaskShift = 0x19;
+					gpio->ucDataMaskShift = 0x18;
+				}
+			}
+
 			/* some evergreen boards have bad data for this entry */
 			if (ASIC_IS_DCE4(rdev)) {
 				if ((i == 7) &&
-- 
GitLab


From 6991b8f2a3193397461104a27be417addb8d032b Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 14 Nov 2011 17:52:51 -0500
Subject: [PATCH 0576/1594] drm/radeon/kms: fix segfault in pm rework

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 0a4ec1ed02c0..fecd705a1a5f 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2008,14 +2008,14 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
 		return state_index;
 	/* last mode is usually default, array is low to high */
 	for (i = 0; i < num_modes; i++) {
+		rdev->pm.power_state[state_index].clock_info =
+			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+		if (!rdev->pm.power_state[state_index].clock_info)
+			return state_index;
+		rdev->pm.power_state[state_index].num_clock_modes = 1;
 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
 		switch (frev) {
 		case 1:
-			rdev->pm.power_state[state_index].clock_info =
-				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-			if (!rdev->pm.power_state[state_index].clock_info)
-				return state_index;
-			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
 			rdev->pm.power_state[state_index].clock_info[0].sclk =
@@ -2051,11 +2051,6 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
 			state_index++;
 			break;
 		case 2:
-			rdev->pm.power_state[state_index].clock_info =
-				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-			if (!rdev->pm.power_state[state_index].clock_info)
-				return state_index;
-			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
 			rdev->pm.power_state[state_index].clock_info[0].sclk =
@@ -2092,11 +2087,6 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
 			state_index++;
 			break;
 		case 3:
-			rdev->pm.power_state[state_index].clock_info =
-				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-			if (!rdev->pm.power_state[state_index].clock_info)
-				return state_index;
-			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
 			rdev->pm.power_state[state_index].clock_info[0].sclk =
-- 
GitLab


From 52b3bfc69efc44447ed2db25dd999aef64b3c970 Mon Sep 17 00:00:00 2001
From: Lucas Kannebley Tavares <lucaskt@linux.vnet.ibm.com>
Date: Fri, 28 Oct 2011 13:52:08 -0200
Subject: [PATCH 0577/1594] jsm: Change maintainership

Breno Leitao has passed the maintainership on to me.

Signed-off-by: Lucas Kannebley Tavares <lucaskt@linux.vnet.ibm.com>
Acked-by: Breno Leitao <brenohl@br.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 MAINTAINERS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 4808256446f2..cc6a46645432 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3710,7 +3710,7 @@ F:	fs/jbd2/
 F:	include/linux/jbd2.h
 
 JSM Neo PCI based serial card
-M:	Breno Leitao <leitao@linux.vnet.ibm.com>
+M:	Lucas Tavares <lucaskt@linux.vnet.ibm.com>
 L:	linux-serial@vger.kernel.org
 S:	Maintained
 F:	drivers/tty/serial/jsm/
-- 
GitLab


From c2a3e84f950e7ddba1f3914b005861d46ae60359 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@codeaurora.org>
Date: Tue, 25 Oct 2011 19:19:43 -0700
Subject: [PATCH 0578/1594] tty: hvc_dcc: Fix duplicate character inputs

Reading from the DCC grabs a character from the buffer and
clears the status bit. Since this is a context-changing
operation, instructions following the character read that rely on
the status bit being accurate need to be synchronized with an
ISB.

In this case, the status bit check needs to execute after the
character read otherwise we run the risk of reading the character
and checking the status bit before the read can clear the status
bit in the first place. When this happens, the user will see the
same character they typed twice, instead of once.

Add an ISB after the read and the write, so that the status check
is synchronized with the read/write operations.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/hvc/hvc_dcc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 435f6facbc23..44fbebab5075 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -46,6 +46,7 @@ static inline char __dcc_getchar(void)
 
 	asm volatile("mrc p14, 0, %0, c0, c5, 0	@ read comms data reg"
 		: "=r" (__c));
+	isb();
 
 	return __c;
 }
@@ -55,6 +56,7 @@ static inline void __dcc_putchar(char c)
 	asm volatile("mcr p14, 0, %0, c0, c5, 0	@ write a char"
 		: /* no output register */
 		: "r" (c));
+	isb();
 }
 
 static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)
-- 
GitLab


From a1d7cfe29f13cf45f8094929864b9c66bf0cd91b Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Thu, 27 Oct 2011 15:45:18 +0900
Subject: [PATCH 0579/1594] pch_uart: Fix hw-flow control issue

Using hardware flow control,
currently, register of the control-bit(AFE) is not set.
This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/serial/pch_uart.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 21febef926aa..2f07a6702eab 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1280,6 +1280,7 @@ static void pch_uart_set_termios(struct uart_port *port,
 	if (rtn)
 		goto out;
 
+	pch_uart_set_mctrl(&priv->port, priv->port.mctrl);
 	/* Don't rewrite B0 */
 	if (tty_termios_baud_rate(termios))
 		tty_termios_encode_baud_rate(termios, baud, baud);
-- 
GitLab


From 8249f743f732ccbc3056428945ab1d9bd36d46bf Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Fri, 28 Oct 2011 09:38:49 +0900
Subject: [PATCH 0580/1594] pch_uart: Support new device LAPIS Semiconductor
 ML7831 IOH

ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/serial/Kconfig    | 14 +++++++-------
 drivers/tty/serial/pch_uart.c |  8 ++++++++
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 5f479dada6f2..925a1e547a83 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1560,7 +1560,7 @@ config SERIAL_IFX6X60
 	  Support for the IFX6x60 modem devices on Intel MID platforms.
 
 config SERIAL_PCH_UART
-	tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) UART"
+	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
 	depends on PCI
 	select SERIAL_CORE
 	help
@@ -1568,12 +1568,12 @@ config SERIAL_PCH_UART
 	  which is an IOH(Input/Output Hub) for x86 embedded processor.
 	  Enabling PCH_DMA, this PCH UART works as DMA mode.
 
-	  This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
-	  Output Hub), ML7213 and ML7223.
-	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
-	  for MP(Media Phone) use.
-	  ML7213/ML7223 is companion chip for Intel Atom E6xx series.
-	  ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+	  This driver also can be used for LAPIS Semiconductor IOH(Input/
+	  Output Hub), ML7213, ML7223 and ML7831.
+	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
+	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
+	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 
 config SERIAL_MSM_SMD
 	bool "Enable tty device interface for some SMD ports"
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 2f07a6702eab..2ef0e7d02991 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -258,6 +258,8 @@ enum pch_uart_num_t {
 	pch_ml7213_uart2,
 	pch_ml7223_uart0,
 	pch_ml7223_uart1,
+	pch_ml7831_uart0,
+	pch_ml7831_uart1,
 };
 
 static struct pch_uart_driver_data drv_dat[] = {
@@ -270,6 +272,8 @@ static struct pch_uart_driver_data drv_dat[] = {
 	[pch_ml7213_uart2] = {PCH_UART_2LINE, 2},
 	[pch_ml7223_uart0] = {PCH_UART_8LINE, 0},
 	[pch_ml7223_uart1] = {PCH_UART_2LINE, 1},
+	[pch_ml7831_uart0] = {PCH_UART_8LINE, 0},
+	[pch_ml7831_uart1] = {PCH_UART_2LINE, 1},
 };
 
 static unsigned int default_baud = 9600;
@@ -1553,6 +1557,10 @@ static DEFINE_PCI_DEVICE_TABLE(pch_uart_pci_id) = {
 	 .driver_data = pch_ml7223_uart0},
 	{PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x800D),
 	 .driver_data = pch_ml7223_uart1},
+	{PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8811),
+	 .driver_data = pch_ml7831_uart0},
+	{PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8812),
+	 .driver_data = pch_ml7831_uart1},
 	{0,},
 };
 
-- 
GitLab


From eca9dfa846a3d0eeb865e290851f4bfe4fb34fdd Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Fri, 28 Oct 2011 09:38:50 +0900
Subject: [PATCH 0581/1594] pch_uart: Change company name OKI SEMICONDUCTOR to
 LAPIS Semiconductor

On October 1 in 2011,
OKI SEMICONDUCTOR Co., Ltd. changed the company name in to LAPIS Semiconductor Co., Ltd.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/serial/pch_uart.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 2ef0e7d02991..ac852b5a8f93 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1,5 +1,5 @@
 /*
- *Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ *Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
  *
  *This program is free software; you can redistribute it and/or modify
  *it under the terms of the GNU General Public License as published by
@@ -46,8 +46,8 @@ enum {
 
 /* Set the max number of UART port
  * Intel EG20T PCH: 4 port
- * OKI SEMICONDUCTOR ML7213 IOH: 3 port
- * OKI SEMICONDUCTOR ML7223 IOH: 2 port
+ * LAPIS Semiconductor ML7213 IOH: 3 port
+ * LAPIS Semiconductor ML7223 IOH: 2 port
 */
 #define PCH_UART_NR	4
 
-- 
GitLab


From 9636b755da7b498094bdf15b4ce9f6fd16995e4e Mon Sep 17 00:00:00 2001
From: Doug Anderson <dianders@chromium.org>
Date: Tue, 11 Oct 2011 17:05:43 -0700
Subject: [PATCH 0582/1594] tty/serial: Prevent drop of DCD on suspend for
 Tegra UARTs

On Tegra UARTs (except UART1), the DTR / DCD / DSR lines are not
externally accessible.  Instead, the DTR line internally appears to be
looped back to be the input to the DCD and DSR lines.  The net effect
of this is that when we drop DTR (like when we suspend), we'll see DCD
drop too.  ...and when we see DCD drop, we treat that as a hangup.

In order to prevent this hangup from occurring at every sleep, we need
to force DTR to remain high on Tegra UARTs.

This patch uses the mcr_mask / mcr_force fields, which were originally
added for the kludge ALPHA_KLUDGE_MCR.  Using these fields does not
prevent us from removing ALPHA_KLUDGE_MCR--we can just remove the "if"
tests I have added and always init mcr_mask / mcr_force from the
serial8250_config.

NOTE: If we have people that are using UARTA on a Tegra and need to
control DTR, we'll need to either add a separate port type for UARTA
or we'll need to add some tegra-specific code to detect whether the
DTR needs to be left high.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/serial/8250.c | 14 ++++++++++++++
 drivers/tty/serial/8250.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index eeadf1b8e093..2b0a4b63c5f7 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -308,6 +308,8 @@ static const struct serial8250_config uart_config[] = {
 		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_01 |
 				  UART_FCR_T_TRIG_01,
 		.flags		= UART_CAP_FIFO | UART_CAP_RTOIE,
+		.mcr_mask	= ~UART_MCR_DTR,
+		.mcr_force	= UART_MCR_DTR,
 	},
 	[PORT_XR17D15X] = {
 		.name		= "XR17D15X",
@@ -1229,6 +1231,10 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags)
 	up->port.fifosize = uart_config[up->port.type].fifo_size;
 	up->capabilities = uart_config[up->port.type].flags;
 	up->tx_loadsz = uart_config[up->port.type].tx_loadsz;
+	if (!ALPHA_KLUDGE_MCR) {
+		up->mcr_mask = uart_config[up->port.type].mcr_mask;
+		up->mcr_force = uart_config[up->port.type].mcr_force;
+	}
 
 	if (up->port.type == PORT_UNKNOWN)
 		goto out;
@@ -1987,6 +1993,10 @@ static int serial8250_startup(struct uart_port *port)
 	up->port.fifosize = uart_config[up->port.type].fifo_size;
 	up->tx_loadsz = uart_config[up->port.type].tx_loadsz;
 	up->capabilities = uart_config[up->port.type].flags;
+	if (!ALPHA_KLUDGE_MCR) {
+		up->mcr_mask = uart_config[up->port.type].mcr_mask;
+		up->mcr_force = uart_config[up->port.type].mcr_force;
+	}
 	up->mcr = 0;
 
 	if (up->port.iotype != up->cur_iotype)
@@ -2793,6 +2803,10 @@ serial8250_init_fixed_type_port(struct uart_8250_port *up, unsigned int type)
 	up->port.fifosize = uart_config[type].fifo_size;
 	up->capabilities = uart_config[type].flags;
 	up->tx_loadsz = uart_config[type].tx_loadsz;
+	if (!ALPHA_KLUDGE_MCR) {
+		up->mcr_mask = uart_config[type].mcr_mask;
+		up->mcr_force = uart_config[type].mcr_force;
+	}
 }
 
 static void __init
diff --git a/drivers/tty/serial/8250.h b/drivers/tty/serial/8250.h
index 6edf4a6a22d4..1f7510051707 100644
--- a/drivers/tty/serial/8250.h
+++ b/drivers/tty/serial/8250.h
@@ -35,6 +35,8 @@ struct serial8250_config {
 	unsigned short	tx_loadsz;
 	unsigned char	fcr;
 	unsigned int	flags;
+	unsigned char	mcr_mask;
+	unsigned char	mcr_force;
 };
 
 #define UART_CAP_FIFO	(1 << 8)	/* UART has FIFO */
-- 
GitLab


From 604fdb75094a7367e1794fd0f62183380364ce13 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Thu, 10 Nov 2011 13:17:55 +0000
Subject: [PATCH 0583/1594] serial,mfd: Fix CMSPAR setup

This is referenced the wrong way. Mika Westerberg added some checks to the
tty to support multiple console, but the real problem is simply referencing the
termios object via the wrong path.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/serial/mfd.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
index 286c386d9c46..e272d3919c67 100644
--- a/drivers/tty/serial/mfd.c
+++ b/drivers/tty/serial/mfd.c
@@ -884,7 +884,6 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
 {
 	struct uart_hsu_port *up =
 			container_of(port, struct uart_hsu_port, port);
-	struct tty_struct *tty = port->state->port.tty;
 	unsigned char cval, fcr = 0;
 	unsigned long flags;
 	unsigned int baud, quot;
@@ -907,8 +906,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
 	}
 
 	/* CMSPAR isn't supported by this driver */
-	if (tty)
-		tty->termios->c_cflag &= ~CMSPAR;
+	termios->c_cflag &= ~CMSPAR;
 
 	if (termios->c_cflag & CSTOPB)
 		cval |= UART_LCR_STOP;
-- 
GitLab


From 90f04c2926cfb5bf74533b0a7766bc896f6a0c0e Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Date: Fri, 11 Nov 2011 10:55:27 +0900
Subject: [PATCH 0584/1594] pch_uart: Fix DMA resource leak issue

Changing UART mode PIO->DMA->PIO->DMA like below, pch_uart driver can't get
DMA channel resource.

setserial /dev/ttyPCH0 ^low_latency
setserial /dev/ttyPCH0 low_latency

CAUSE:
Changing mode using setserial command, ".startup" function which gets DMA
channel is called before ".verify_port" function which sets
dma-flag(use_dma/use_dma_flag) as 1.

PIO->DMA
  .startup: Since dma-flag is 0, DMA channel is not requested.
  .verify_port: dma-flag is set as 1.
  .shutdown: N/A

DMA->PIO
  .startup: Since dma-flag is 1, DMA channel is requested.
  .verify_port: dma-flag is set as 0.
  .shutdown: Since dma-flag is 0, DMA channel is not released.

This means DMA channel resource leak occurs.
Next time, this driver can't get DMA channel resource forever.

MODIFICATION:
  Currently, when release DMA channel resource, this driver checks dma-flag.
  However, this specification occurs the above issue.
  This driver must check whether dma_request_channel is executed or not.
  The values are saved in private data variable "chan_tx/chan_tx".
  These variables mean if the value is NULL, DMA channel is not requested,
  if not NULL, DMA channel is requested.

This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/serial/pch_uart.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index ac852b5a8f93..d6aba8c087e4 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -632,6 +632,7 @@ static void pch_request_dma(struct uart_port *port)
 		dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Rx)\n",
 			__func__);
 		dma_release_channel(priv->chan_tx);
+		priv->chan_tx = NULL;
 		return;
 	}
 
@@ -1219,8 +1220,7 @@ static void pch_uart_shutdown(struct uart_port *port)
 		dev_err(priv->port.dev,
 			"pch_uart_hal_set_fifo Failed(ret=%d)\n", ret);
 
-	if (priv->use_dma_flag)
-		pch_free_dma(port);
+	pch_free_dma(port);
 
 	free_irq(priv->port.irq, priv);
 }
-- 
GitLab


From 93f3350c46fa5dfcc9650eb19b186e71ffc924c3 Mon Sep 17 00:00:00 2001
From: Claudio Scordino <claudio@evidence.eu.com>
Date: Wed, 9 Nov 2011 15:51:49 +0100
Subject: [PATCH 0585/1594] RS485: fix inconsistencies in the meaning of some
 variables

The crisv10.c and the atmel_serial.c serial drivers intepret the fields of the
serial_rs485 structure in a different way.

In particular, crisv10.c uses SER_RS485_RTS_AFTER_SEND and
SER_RS485_RTS_ON_SEND for the voltage of the RTS pin; atmel_serial.c,
instead, uses these values to know if a delay must be set before and
after sending.  This patch makes the usage of these variables consistent
across all drivers and fixes the Documentation as well.

From now on, SER_RS485_RTS_AFTER_SEND and SER_RS485_RTS_ON_SEND will be
used to set the voltage of the RTS pin (as in the crisv10.c driver); the
delay will be understood by looking only at the value of
delay_rts_before_send and delay_rts_after_send.

Signed-off-by: Claudio Scordino <claudio@evidence.eu.com>
Signed-off-by: Darron Black <darron@griffin.net>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/serial/serial-rs485.txt | 14 +++++++++++---
 drivers/tty/serial/atmel_serial.c     | 16 +++-------------
 drivers/tty/serial/crisv10.c          | 10 ++--------
 include/linux/serial.h                | 14 ++++++++------
 4 files changed, 24 insertions(+), 30 deletions(-)

diff --git a/Documentation/serial/serial-rs485.txt b/Documentation/serial/serial-rs485.txt
index 079cb3df62cf..41c8378c0b2f 100644
--- a/Documentation/serial/serial-rs485.txt
+++ b/Documentation/serial/serial-rs485.txt
@@ -97,15 +97,23 @@
 
 	struct serial_rs485 rs485conf;
 
-	/* Set RS485 mode: */
+	/* Enable RS485 mode: */
 	rs485conf.flags |= SER_RS485_ENABLED;
 
+	/* Set logical level for RTS pin equal to 1 when sending: */
+	rs485conf.flags |= SER_RS485_RTS_ON_SEND;
+	/* or, set logical level for RTS pin equal to 0 when sending: */
+	rs485conf.flags &= ~(SER_RS485_RTS_ON_SEND);
+
+	/* Set logical level for RTS pin equal to 1 after sending: */
+	rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
+	/* or, set logical level for RTS pin equal to 0 after sending: */
+	rs485conf.flags &= ~(SER_RS485_RTS_AFTER_SEND);
+
 	/* Set rts delay before send, if needed: */
-	rs485conf.flags |= SER_RS485_RTS_BEFORE_SEND;
 	rs485conf.delay_rts_before_send = ...;
 
 	/* Set rts delay after send, if needed: */
-	rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
 	rs485conf.delay_rts_after_send = ...;
 
 	/* Set this flag if you want to receive data even whilst sending data */
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 4a0f86fa1e90..4c823f341d98 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -228,7 +228,7 @@ void atmel_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf)
 	if (rs485conf->flags & SER_RS485_ENABLED) {
 		dev_dbg(port->dev, "Setting UART to RS485\n");
 		atmel_port->tx_done_mask = ATMEL_US_TXEMPTY;
-		if (rs485conf->flags & SER_RS485_RTS_AFTER_SEND)
+		if ((rs485conf->delay_rts_after_send) > 0)
 			UART_PUT_TTGR(port, rs485conf->delay_rts_after_send);
 		mode |= ATMEL_US_USMODE_RS485;
 	} else {
@@ -304,7 +304,7 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl)
 
 	if (atmel_port->rs485.flags & SER_RS485_ENABLED) {
 		dev_dbg(port->dev, "Setting UART to RS485\n");
-		if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND)
+		if ((atmel_port->rs485.delay_rts_after_send) > 0)
 			UART_PUT_TTGR(port,
 					atmel_port->rs485.delay_rts_after_send);
 		mode |= ATMEL_US_USMODE_RS485;
@@ -1228,7 +1228,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
 
 	if (atmel_port->rs485.flags & SER_RS485_ENABLED) {
 		dev_dbg(port->dev, "Setting UART to RS485\n");
-		if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND)
+		if ((atmel_port->rs485.delay_rts_after_send) > 0)
 			UART_PUT_TTGR(port,
 					atmel_port->rs485.delay_rts_after_send);
 		mode |= ATMEL_US_USMODE_RS485;
@@ -1447,16 +1447,6 @@ static void __devinit atmel_of_init_port(struct atmel_uart_port *atmel_port,
 		rs485conf->delay_rts_after_send = rs485_delay[1];
 		rs485conf->flags = 0;
 
-		if (rs485conf->delay_rts_before_send == 0 &&
-		    rs485conf->delay_rts_after_send == 0) {
-			rs485conf->flags |= SER_RS485_RTS_ON_SEND;
-		} else {
-			if (rs485conf->delay_rts_before_send)
-				rs485conf->flags |= SER_RS485_RTS_BEFORE_SEND;
-			if (rs485conf->delay_rts_after_send)
-				rs485conf->flags |= SER_RS485_RTS_AFTER_SEND;
-		}
-
 		if (of_get_property(np, "rs485-rx-during-tx", NULL))
 			rs485conf->flags |= SER_RS485_RX_DURING_TX;
 
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index b7435043f2fe..1dfba7b779c8 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -3234,9 +3234,8 @@ rs_write(struct tty_struct *tty,
 		e100_disable_rx(info);
 		e100_enable_rx_irq(info);
 #endif
-		if ((info->rs485.flags & SER_RS485_RTS_BEFORE_SEND) &&
-			(info->rs485.delay_rts_before_send > 0))
-				msleep(info->rs485.delay_rts_before_send);
+		if (info->rs485.delay_rts_before_send > 0)
+			msleep(info->rs485.delay_rts_before_send);
 	}
 #endif /* CONFIG_ETRAX_RS485 */
 
@@ -3693,10 +3692,6 @@ rs_ioctl(struct tty_struct *tty,
 
 		rs485data.delay_rts_before_send = rs485ctrl.delay_rts_before_send;
 		rs485data.flags = 0;
-		if (rs485data.delay_rts_before_send != 0)
-			rs485data.flags |= SER_RS485_RTS_BEFORE_SEND;
-		else
-			rs485data.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
 
 		if (rs485ctrl.enabled)
 			rs485data.flags |= SER_RS485_ENABLED;
@@ -4531,7 +4526,6 @@ static int __init rs_init(void)
 		/* Set sane defaults */
 		info->rs485.flags &= ~(SER_RS485_RTS_ON_SEND);
 		info->rs485.flags |= SER_RS485_RTS_AFTER_SEND;
-		info->rs485.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
 		info->rs485.delay_rts_before_send = 0;
 		info->rs485.flags &= ~(SER_RS485_ENABLED);
 #endif
diff --git a/include/linux/serial.h b/include/linux/serial.h
index 97ff8e27a6cc..3d86517fe7d5 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -207,13 +207,15 @@ struct serial_icounter_struct {
 
 struct serial_rs485 {
 	__u32	flags;			/* RS485 feature flags */
-#define SER_RS485_ENABLED		(1 << 0)
-#define SER_RS485_RTS_ON_SEND		(1 << 1)
-#define SER_RS485_RTS_AFTER_SEND	(1 << 2)
-#define SER_RS485_RTS_BEFORE_SEND	(1 << 3)
+#define SER_RS485_ENABLED		(1 << 0)	/* If enabled */
+#define SER_RS485_RTS_ON_SEND		(1 << 1)	/* Logical level for
+							   RTS pin when
+							   sending */
+#define SER_RS485_RTS_AFTER_SEND	(1 << 2)	/* Logical level for
+							   RTS pin after sent*/
 #define SER_RS485_RX_DURING_TX		(1 << 4)
-	__u32	delay_rts_before_send;	/* Milliseconds */
-	__u32	delay_rts_after_send;	/* Milliseconds */
+	__u32	delay_rts_before_send;	/* Delay before send (milliseconds) */
+	__u32	delay_rts_after_send;	/* Delay after send (milliseconds) */
 	__u32	padding[5];		/* Memory is cheap, new structs
 					   are a royal PITA .. */
 };
-- 
GitLab


From db3e74b582915d66e10b0c73a62763418f54c340 Mon Sep 17 00:00:00 2001
From: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com>
Date: Thu, 10 Nov 2011 01:33:10 +0000
Subject: [PATCH 0586/1594] xfs: use doalloc flag in xfs_qm_dqattach_one()

The doalloc arg in xfs_qm_dqattach_one() is a flag that indicates
whether a new area to handle quota information will be allocated
if needed. Originally, it was passed to xfs_qm_dqget(), but has
been removed by the following commit (probably by mistake):

	commit 8e9b6e7fa4544ea8a0e030c8987b918509c8ff47
	Author: Christoph Hellwig <hch@lst.de>
	Date:   Sun Feb 8 21:51:42 2009 +0100

	xfs: remove the unused XFS_QMOPT_DQLOCK flag

As the result, xfs_qm_dqget() called from xfs_qm_dqattach_one()
never allocates the new area even if it is needed.

This patch gives the doalloc arg to xfs_qm_dqget() in
xfs_qm_dqattach_one() to fix this problem.

Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com>
Cc: Alex Elder <aelder@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
---
 fs/xfs/xfs_qm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 5cff443f6cdb..0bbb1a41998b 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -674,7 +674,8 @@ xfs_qm_dqattach_one(
 	 * disk and we didn't ask it to allocate;
 	 * ESRCH if quotas got turned off suddenly.
 	 */
-	error = xfs_qm_dqget(ip->i_mount, ip, id, type, XFS_QMOPT_DOWARN, &dqp);
+	error = xfs_qm_dqget(ip->i_mount, ip, id, type,
+			     doalloc | XFS_QMOPT_DOWARN, &dqp);
 	if (error)
 		return error;
 
-- 
GitLab


From af8db1508f2c9f3b6e633e2d2d906c6557c617f9 Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@freescale.com>
Date: Tue, 15 Nov 2011 21:52:29 +0100
Subject: [PATCH 0587/1594] PM / driver core: disable device's runtime PM
 during shutdown

There may be an issue when the user issue "reboot/shutdown" command, then
the device has shut down its hardware, after that, this runtime-pm featured
device's driver will probably be scheduled to do its suspend routine,
and at its suspend routine, it may access hardware, but the device has
already shutdown physically, then the system hang may be occurred.

I ran out this issue using an auto-suspend supported USB devices, like
3G modem, keyboard. The usb runtime suspend routine may be scheduled
after the usb controller has been shut down, and the usb runtime suspend
routine will try to suspend its roothub(controller), it will access
register, then the system hang occurs as the controller is shutdown.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: stable@kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/base/core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 82c865452c70..d8b3d89db043 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -22,6 +22,7 @@
 #include <linux/kallsyms.h>
 #include <linux/mutex.h>
 #include <linux/async.h>
+#include <linux/pm_runtime.h>
 
 #include "base.h"
 #include "power/power.h"
@@ -1742,6 +1743,8 @@ void device_shutdown(void)
 		 */
 		list_del_init(&dev->kobj.entry);
 		spin_unlock(&devices_kset->list_lock);
+		/* Disable all device's runtime power management */
+		pm_runtime_disable(dev);
 
 		if (dev->bus && dev->bus->shutdown) {
 			dev_dbg(dev, "shutdown\n");
-- 
GitLab


From e88d2468718b0789b4c33da2f7e1cef2a1eee279 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Tue, 15 Nov 2011 12:57:00 -0800
Subject: [PATCH 0588/1594] sparc: Stash orig_i0 into %g6 instead of %g2

As per the comments added by this commit, %g2 turns out to not be a
usable place to save away orig_i0 for syscall restart handling.

In fact all of %g2, %g3, %g4, and %g5 are assumed to be saved across
a system call by various bits of code in glibc.

%g1 can't be used because that holds the syscall number, which would
need to be saved and restored for syscall restart handling too, and
that would only compound our problems :-)

This leaves us with %g6 and %g7 which are for "system use".  %g7 is
used as the "thread register" by glibc, but %g6 is used as a compiler
and assembler temporary scratch register.  And in no instance is %g6
used to hold a value across a system call.

Therefore %g6 is safe for storing away orig_i0, at least for now.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/signal32.c  |  2 +-
 arch/sparc/kernel/signal_32.c | 20 +++++++++++++++-----
 arch/sparc/kernel/signal_64.c | 20 +++++++++++++++-----
 3 files changed, 31 insertions(+), 11 deletions(-)

diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 2e86fd1ddc7b..023b8860dc97 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -837,7 +837,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs)
 	if (pt_regs_is_syscall(regs) &&
 	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
 		restart_syscall = 1;
-		orig_i0 = regs->u_regs[UREG_G2];
+		orig_i0 = regs->u_regs[UREG_G6];
 	}
 
 	if (signr > 0) {
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 7dfaff64cd6b..d54c6e53aba0 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -523,12 +523,22 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	 * register for GDB to save and restore in order to get
 	 * orig_i0 correct for syscall restarts when debugging.
 	 *
-	 * However, we luckily can use the fact that several registers
-	 * are volatile across system calls.  One such register is
-	 * %g2, so use that as a place to save away orig_i0.
+	 * Although it should be the case that most of the global
+	 * registers are volatile across a system call, glibc already
+	 * depends upon that fact that we preserve them.  So we can't
+	 * just use any global register to save away the orig_i0 value.
+	 *
+	 * In particular %g2, %g3, %g4, and %g5 are all assumed to be
+	 * preserved across a system call trap by various pieces of
+	 * code in glibc.
+	 *
+	 * %g7 is used as the "thread register".   %g6 is not used in
+	 * any fixed manner.  %g6 is used as a scratch register and
+	 * a compiler temporary, but it's value is never used across
+	 * a system call.  Therefore %g6 is usable for orig_i0 storage.
 	 */
 	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
-		regs->u_regs[UREG_G2] = orig_i0;
+		regs->u_regs[UREG_G6] = orig_i0;
 
 	if (test_thread_flag(TIF_RESTORE_SIGMASK))
 		oldset = &current->saved_sigmask;
@@ -544,7 +554,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	restart_syscall = 0;
 	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) {
 		restart_syscall = 1;
-		orig_i0 = regs->u_regs[UREG_G2];
+		orig_i0 = regs->u_regs[UREG_G6];
 	}
 
 
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 1ddf0dedb929..f0836cd0e2f2 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -533,13 +533,23 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	 * register for GDB to save and restore in order to get
 	 * orig_i0 correct for syscall restarts when debugging.
 	 *
-	 * However, we luckily can use the fact that several registers
-	 * are volatile across system calls.  One such register is
-	 * %g2, so use that as a place to save away orig_i0.
+	 * Although it should be the case that most of the global
+	 * registers are volatile across a system call, glibc already
+	 * depends upon that fact that we preserve them.  So we can't
+	 * just use any global register to save away the orig_i0 value.
+	 *
+	 * In particular %g2, %g3, %g4, and %g5 are all assumed to be
+	 * preserved across a system call trap by various pieces of
+	 * code in glibc.
+	 *
+	 * %g7 is used as the "thread register".   %g6 is not used in
+	 * any fixed manner.  %g6 is used as a scratch register and
+	 * a compiler temporary, but it's value is never used across
+	 * a system call.  Therefore %g6 is usable for orig_i0 storage.
 	 */
 	if (pt_regs_is_syscall(regs) &&
 	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
-		regs->u_regs[UREG_G2] = orig_i0;
+		regs->u_regs[UREG_G6] = orig_i0;
 
 	if (current_thread_info()->status & TS_RESTORE_SIGMASK)
 		oldset = &current->saved_sigmask;
@@ -560,7 +570,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	if (pt_regs_is_syscall(regs) &&
 	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
 		restart_syscall = 1;
-		orig_i0 = regs->u_regs[UREG_G2];
+		orig_i0 = regs->u_regs[UREG_G6];
 	}
 
 	if (signr > 0) {
-- 
GitLab


From 3486140e30fcc16c0b8cd9545fbe5e2e66bf6941 Mon Sep 17 00:00:00 2001
From: Grant Grundler <grundler@google.com>
Date: Tue, 15 Nov 2011 07:12:39 +0000
Subject: [PATCH 0589/1594] net-next:asix:PHY_MODE_RTL8211CL should be 0xC

Use correct value for rtl phy support.
(rtl phy are in AX88178 devices like NWU220G and USB2-ET1000).

Signed-off-by: Allan Chou <allan@asix.com.tw>
Tested-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/asix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index e81e22e3d1d2..873860d46e9e 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -163,7 +163,7 @@
 #define MARVELL_CTRL_TXDELAY	0x0002
 #define MARVELL_CTRL_RXDELAY	0x0080
 
-#define	PHY_MODE_RTL8211CL	0x0004
+#define	PHY_MODE_RTL8211CL	0x000C
 
 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
 struct asix_data {
-- 
GitLab


From a77929a278651d4451c872178d4d7aac8908aa8e Mon Sep 17 00:00:00 2001
From: Grant Grundler <grundler@google.com>
Date: Tue, 15 Nov 2011 07:12:40 +0000
Subject: [PATCH 0590/1594] net-next:asix:poll in asix_get_phyid in case phy
 not ready

Sometimes the phy isn't ready after reset...poll and pray it will be soon.

Signed-off-by: Freddy Xin <freddy@asix.com.tw>
Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/asix.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 873860d46e9e..b4675e89e42c 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -652,9 +652,17 @@ static u32 asix_get_phyid(struct usbnet *dev)
 {
 	int phy_reg;
 	u32 phy_id;
+	int i;
 
-	phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
-	if (phy_reg < 0)
+	/* Poll for the rare case the FW or phy isn't ready yet.  */
+	for (i = 0; i < 100; i++) {
+		phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+		if (phy_reg != 0 && phy_reg != 0xFFFF)
+			break;
+		mdelay(1);
+	}
+
+	if (phy_reg <= 0 || phy_reg == 0xFFFF)
 		return 0;
 
 	phy_id = (phy_reg & 0xffff) << 16;
-- 
GitLab


From d3665188a79254c0698aa161e2c36dcda4e9ef55 Mon Sep 17 00:00:00 2001
From: Grant Grundler <grundler@google.com>
Date: Tue, 15 Nov 2011 07:12:41 +0000
Subject: [PATCH 0591/1594] net-next:asix: reduce AX88772 init time by about 2
 seconds

ax88772_reset takes about 2 seconds and is called twice.
Once from ax88772_bind() directly and again indirectly from usbnet_open().
Reset the USB FW/Phy enough to blink the LEDs when inserted.

Signed-off-by: Allan Chou <allan@asix.com.tw>
Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/asix.c | 30 +++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index b4675e89e42c..8462be589558 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -1083,7 +1083,7 @@ static const struct net_device_ops ax88772_netdev_ops = {
 
 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 {
-	int ret;
+	int ret, embd_phy;
 	struct asix_data *data = (struct asix_data *)&dev->data;
 	u8 buf[ETH_ALEN];
 	u32 phyid;
@@ -1108,16 +1108,36 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 	dev->mii.reg_num_mask = 0x1f;
 	dev->mii.phy_id = asix_get_phy_addr(dev);
 
-	phyid = asix_get_phyid(dev);
-	dbg("PHYID=0x%08x", phyid);
-
 	dev->net->netdev_ops = &ax88772_netdev_ops;
 	dev->net->ethtool_ops = &ax88772_ethtool_ops;
 
-	ret = ax88772_reset(dev);
+	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
+
+	/* Reset the PHY to normal operation mode */
+	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+	if (ret < 0) {
+		dbg("Select PHY #1 failed: %d", ret);
+		return ret;
+	}
+
+	ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
 	if (ret < 0)
 		return ret;
 
+	msleep(150);
+
+	ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
+	if (ret < 0)
+		return ret;
+
+	msleep(150);
+
+	ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
+
+	/* Read PHYID register *AFTER* the PHY was reset properly */
+	phyid = asix_get_phyid(dev);
+	dbg("PHYID=0x%08x", phyid);
+
 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
 		/* hard_mtu  is still the default - the device does not support
-- 
GitLab


From b2d3ad291fab1783cc12eef3dd91c5fa98c2e5d5 Mon Sep 17 00:00:00 2001
From: Grant Grundler <grundler@google.com>
Date: Tue, 15 Nov 2011 07:12:42 +0000
Subject: [PATCH 0592/1594] net-next:asix: V2 more fixes for ax88178 phy init
 sequence

Now works on Samsung Series 5 (chromebook)

Two fixes here:
o use 0x7F mask for phymode
o read phyid *AFTER* phy is powered up (via GPIOs)

Signed-off-by: Allan Chou <allan@asix.com.tw>
Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/asix.c | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 8462be589558..f870ab964e3a 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -1248,6 +1248,7 @@ static int ax88178_reset(struct usbnet *dev)
 	__le16 eeprom;
 	u8 status;
 	int gpio0 = 0;
+	u32 phyid;
 
 	asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
 	dbg("GPIO Status: 0x%04x", status);
@@ -1263,12 +1264,13 @@ static int ax88178_reset(struct usbnet *dev)
 		data->ledmode = 0;
 		gpio0 = 1;
 	} else {
-		data->phymode = le16_to_cpu(eeprom) & 7;
+		data->phymode = le16_to_cpu(eeprom) & 0x7F;
 		data->ledmode = le16_to_cpu(eeprom) >> 8;
 		gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
 	}
 	dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
 
+	/* Power up external GigaPHY through AX88178 GPIO pin */
 	asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
 	if ((le16_to_cpu(eeprom) >> 8) != 1) {
 		asix_write_gpio(dev, 0x003c, 30);
@@ -1280,6 +1282,13 @@ static int ax88178_reset(struct usbnet *dev)
 		asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
 	}
 
+	/* Read PHYID register *AFTER* powering up PHY */
+	phyid = asix_get_phyid(dev);
+	dbg("PHYID=0x%08x", phyid);
+
+	/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
+	asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
+
 	asix_sw_reset(dev, 0);
 	msleep(150);
 
@@ -1424,7 +1433,6 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
 {
 	int ret;
 	u8 buf[ETH_ALEN];
-	u32 phyid;
 	struct asix_data *data = (struct asix_data *)&dev->data;
 
 	data->eeprom_len = AX88772_EEPROM_LEN;
@@ -1451,12 +1459,12 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
 	dev->net->netdev_ops = &ax88178_netdev_ops;
 	dev->net->ethtool_ops = &ax88178_ethtool_ops;
 
-	phyid = asix_get_phyid(dev);
-	dbg("PHYID=0x%08x", phyid);
+	/* Blink LEDS so users know driver saw dongle */
+	asix_sw_reset(dev, 0);
+	msleep(150);
 
-	ret = ax88178_reset(dev);
-	if (ret < 0)
-		return ret;
+	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+	msleep(150);
 
 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
-- 
GitLab


From 46993f02d88ae9fc6dfb4e8625d80a1630e7863b Mon Sep 17 00:00:00 2001
From: Grant Grundler <grundler@google.com>
Date: Tue, 15 Nov 2011 07:12:43 +0000
Subject: [PATCH 0593/1594] net-next:asix: V2 Update VERSION

Only update VERSION to reflect previous changes.

Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/asix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index f870ab964e3a..e6fed4d4cb77 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -36,7 +36,7 @@
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
 
-#define DRIVER_VERSION "26-Sep-2011"
+#define DRIVER_VERSION "08-Nov-2011"
 #define DRIVER_NAME "asix"
 
 /* ASIX AX8817X based USB 2.0 Ethernet Devices */
-- 
GitLab


From 6edf0c9b1c26d047370cf2f35ff6bb3082243ec3 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 15 Nov 2011 16:01:09 -0800
Subject: [PATCH 0594/1594] Revert "tty/serial: Prevent drop of DCD on suspend
 for Tegra UARTs"

This reverts commit 9636b755da7b498094bdf15b4ce9f6fd16995e4e.

It wasn't supposed to be applied, thanks to Doug for letting me know.

Cc: Doug Anderson <dianders@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/serial/8250.c | 14 --------------
 drivers/tty/serial/8250.h |  2 --
 2 files changed, 16 deletions(-)

diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index 2b0a4b63c5f7..eeadf1b8e093 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -308,8 +308,6 @@ static const struct serial8250_config uart_config[] = {
 		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_01 |
 				  UART_FCR_T_TRIG_01,
 		.flags		= UART_CAP_FIFO | UART_CAP_RTOIE,
-		.mcr_mask	= ~UART_MCR_DTR,
-		.mcr_force	= UART_MCR_DTR,
 	},
 	[PORT_XR17D15X] = {
 		.name		= "XR17D15X",
@@ -1231,10 +1229,6 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags)
 	up->port.fifosize = uart_config[up->port.type].fifo_size;
 	up->capabilities = uart_config[up->port.type].flags;
 	up->tx_loadsz = uart_config[up->port.type].tx_loadsz;
-	if (!ALPHA_KLUDGE_MCR) {
-		up->mcr_mask = uart_config[up->port.type].mcr_mask;
-		up->mcr_force = uart_config[up->port.type].mcr_force;
-	}
 
 	if (up->port.type == PORT_UNKNOWN)
 		goto out;
@@ -1993,10 +1987,6 @@ static int serial8250_startup(struct uart_port *port)
 	up->port.fifosize = uart_config[up->port.type].fifo_size;
 	up->tx_loadsz = uart_config[up->port.type].tx_loadsz;
 	up->capabilities = uart_config[up->port.type].flags;
-	if (!ALPHA_KLUDGE_MCR) {
-		up->mcr_mask = uart_config[up->port.type].mcr_mask;
-		up->mcr_force = uart_config[up->port.type].mcr_force;
-	}
 	up->mcr = 0;
 
 	if (up->port.iotype != up->cur_iotype)
@@ -2803,10 +2793,6 @@ serial8250_init_fixed_type_port(struct uart_8250_port *up, unsigned int type)
 	up->port.fifosize = uart_config[type].fifo_size;
 	up->capabilities = uart_config[type].flags;
 	up->tx_loadsz = uart_config[type].tx_loadsz;
-	if (!ALPHA_KLUDGE_MCR) {
-		up->mcr_mask = uart_config[type].mcr_mask;
-		up->mcr_force = uart_config[type].mcr_force;
-	}
 }
 
 static void __init
diff --git a/drivers/tty/serial/8250.h b/drivers/tty/serial/8250.h
index 1f7510051707..6edf4a6a22d4 100644
--- a/drivers/tty/serial/8250.h
+++ b/drivers/tty/serial/8250.h
@@ -35,8 +35,6 @@ struct serial8250_config {
 	unsigned short	tx_loadsz;
 	unsigned char	fcr;
 	unsigned int	flags;
-	unsigned char	mcr_mask;
-	unsigned char	mcr_force;
 };
 
 #define UART_CAP_FIFO	(1 << 8)	/* UART has FIFO */
-- 
GitLab


From 9f35a33b8d06263a165efe3541d9aa0cdbd70b3b Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Tue, 15 Nov 2011 22:09:45 +0000
Subject: [PATCH 0595/1594] KEYS: Fix a NULL pointer deref in the user-defined
 key type

Fix a NULL pointer deref in the user-defined key type whereby updating a
negative key into a fully instantiated key will cause an oops to occur
when the code attempts to free the non-existent old payload.

This results in an oops that looks something like the following:

  BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
  IP: [<ffffffff81085fa1>] __call_rcu+0x11/0x13e
  PGD 3391d067 PUD 3894a067 PMD 0
  Oops: 0002 [#1] SMP
  CPU 1
  Pid: 4354, comm: keyctl Not tainted 3.1.0-fsdevel+ #1140                  /DG965RY
  RIP: 0010:[<ffffffff81085fa1>]  [<ffffffff81085fa1>] __call_rcu+0x11/0x13e
  RSP: 0018:ffff88003d591df8  EFLAGS: 00010246
  RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000006e
  RDX: ffffffff8161d0c0 RSI: 0000000000000000 RDI: 0000000000000000
  RBP: ffff88003d591e18 R08: 0000000000000000 R09: ffffffff8152fa6c
  R10: 0000000000000000 R11: 0000000000000300 R12: ffff88003b8f9538
  R13: ffffffff8161d0c0 R14: ffff88003b8f9d50 R15: ffff88003c69f908
  FS:  00007f97eb18c720(0000) GS:ffff88003bd00000(0000) knlGS:0000000000000000
  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  CR2: 0000000000000008 CR3: 000000003d47a000 CR4: 00000000000006e0
  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  Process keyctl (pid: 4354, threadinfo ffff88003d590000, task ffff88003c78a040)
  Stack:
   ffff88003e0ffde0 ffff88003b8f9538 0000000000000001 ffff88003b8f9d50
   ffff88003d591e28 ffffffff810860f0 ffff88003d591e68 ffffffff8117bfea
   ffff88003d591e68 ffffffff00000000 ffff88003e0ffde1 ffff88003e0ffde0
  Call Trace:
   [<ffffffff810860f0>] call_rcu_sched+0x10/0x12
   [<ffffffff8117bfea>] user_update+0x8d/0xa2
   [<ffffffff8117723a>] key_create_or_update+0x236/0x270
   [<ffffffff811789b1>] sys_add_key+0x123/0x17e
   [<ffffffff813b84bb>] system_call_fastpath+0x16/0x1b

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Neil Horman <nhorman@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 security/keys/user_defined.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c
index 5b366d7af3c4..69ff52c08e97 100644
--- a/security/keys/user_defined.c
+++ b/security/keys/user_defined.c
@@ -102,7 +102,8 @@ int user_update(struct key *key, const void *data, size_t datalen)
 		key->expiry = 0;
 	}
 
-	kfree_rcu(zap, rcu);
+	if (zap)
+		kfree_rcu(zap, rcu);
 
 error:
 	return ret;
-- 
GitLab


From cb871513f656bdfc48b185b55f37857b5c750c40 Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@gmail.com>
Date: Tue, 15 Nov 2011 14:35:52 -0800
Subject: [PATCH 0596/1594] Revert "leds: save the delay values after a
 successful call to blink_set()"

Revert commit 6123b0e274503a0d3588e84fbe07c9aa01bfaf5d.

The problem this patch intends to solve has alreadqy been fixed by
commit 7a5caabd090b ("drivers/leds/ledtrig-timer.c: fix broken sysfs
delay handling").

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Antonio Ospite <ospite@studenti.unina.it>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/leds/led-class.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 661b692573e7..6d5628bb0601 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -270,11 +270,8 @@ void led_blink_set(struct led_classdev *led_cdev,
 	del_timer_sync(&led_cdev->blink_timer);
 
 	if (led_cdev->blink_set &&
-	    !led_cdev->blink_set(led_cdev, delay_on, delay_off)) {
-		led_cdev->blink_delay_on = *delay_on;
-		led_cdev->blink_delay_off = *delay_off;
+	    !led_cdev->blink_set(led_cdev, delay_on, delay_off))
 		return;
-	}
 
 	/* blink with 1 Hz as default if nothing specified */
 	if (!*delay_on && !*delay_off)
-- 
GitLab


From 12340313cf940e61beb52b996a5845ffa290626d Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Tue, 15 Nov 2011 14:35:59 -0800
Subject: [PATCH 0597/1594] MAINTAINERS: add new cgroup list to CC notice

As discussed at Kernel Summit(2011), new cgroups mailing list is opened
by James.  This list is for discussing general cgroup design and patches
including all subsystems and for getting more attentions to
cgroups/namespaces related issues by developpers.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 MAINTAINERS | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 071a99674347..aca136b84508 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1930,6 +1930,7 @@ CONTROL GROUPS (CGROUPS)
 M:	Paul Menage <paul@paulmenage.org>
 M:	Li Zefan <lizf@cn.fujitsu.com>
 L:	containers@lists.linux-foundation.org
+L:	cgroups@vger.kernel.org
 S:	Maintained
 F:	include/linux/cgroup*
 F:	kernel/cgroup*
@@ -4304,6 +4305,7 @@ MEMORY RESOURCE CONTROLLER
 M:	Balbir Singh <bsingharora@gmail.com>
 M:	Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
 M:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
+L:	cgroups@vger.kernel.org
 L:	linux-mm@kvack.org
 S:	Maintained
 F:	mm/memcontrol.c
-- 
GitLab


From 001ef5e4554b851cf50fe03bc4c266c28ed8e62d Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Tue, 15 Nov 2011 14:36:02 -0800
Subject: [PATCH 0598/1594] drivers/misc/eeprom: fix dependecy on
 'PPC_MPC5200_GPIO'

The driver for the DigsyMTC display configuration EEPROMs device got
added by commit 469dded183 ("misc/eeprom: add eeprom access driver for
digsy_mtc board").  Its Kconfig symbol depends on PPC_MPC5200_GPIO.  But
at the time that driver got added PPC_MPC5200_GPIO was already renamed
to GPIO_MPC5200, by commit 6eae1ace68 ("gpio: Move mpc5200 gpio driver
to drivers/gpio").

So make this driver depend on GPIO_MPC5200.  And since GPIO_MPC5200
itself implies that GPIOLIB is set, that dependency can be dropped.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Anatolij Gustschin <agust@denx.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/eeprom/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig
index 26cf12ca7f50..701edf658970 100644
--- a/drivers/misc/eeprom/Kconfig
+++ b/drivers/misc/eeprom/Kconfig
@@ -85,7 +85,7 @@ config EEPROM_93XX46
 
 config EEPROM_DIGSY_MTC_CFG
 	bool "DigsyMTC display configuration EEPROMs device"
-	depends on PPC_MPC5200_GPIO && GPIOLIB && SPI_GPIO
+	depends on GPIO_MPC5200 && SPI_GPIO
 	help
 	  This option enables access to display configuration EEPROMs
 	  on digsy_mtc board. You have to additionally select Microwire
-- 
GitLab


From 5aecc85abdb9ac2b0e6548d13652a34142e7ae89 Mon Sep 17 00:00:00 2001
From: Michal Hocko <mhocko@suse.cz>
Date: Tue, 15 Nov 2011 14:36:07 -0800
Subject: [PATCH 0599/1594] oom: do not kill tasks with oom_score_adj
 OOM_SCORE_ADJ_MIN

Commit c9f01245 ("oom: remove oom_disable_count") has removed the
oom_disable_count counter which has been used for early break out from
oom_badness so we could never select a task with oom_score_adj set to
OOM_SCORE_ADJ_MIN (oom disabled).

Now that the counter is gone we are always going through heuristics
calculation and we always return a non zero positive value.  This means
that we can end up killing a task with OOM disabled because it is
indistinguishable from regular tasks with 1% resp.  CAP_SYS_ADMIN tasks
with 3% usage of memory or tasks with oom_score_adj set but OOM enabled.

Let's break out early if the task should have OOM disabled.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/oom_kill.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 471dedb463ab..76f2c5ae908e 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -185,6 +185,11 @@ unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
 	if (!p)
 		return 0;
 
+	if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN) {
+		task_unlock(p);
+		return 0;
+	}
+
 	/*
 	 * The memory controller may have a limit of 0 bytes, so avoid a divide
 	 * by zero, if necessary.
-- 
GitLab


From 66e13e66b6c4e5b2ecd6225e1f8437640cfb6498 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Tue, 15 Nov 2011 14:36:09 -0800
Subject: [PATCH 0600/1594] drivers/firmware/dmi_scan.c: make
 dmi_name_in_vendors more focused

The current implementation of dmi_name_in_vendors() is an invitation to
lazy coding and false positives [1].  Searching for a string in 8 know
what you're looking for, so you should know where to look.  strstr isn't
fast, especially when it fails, so we should avoid calling it when it
just can't succeed.

Looking at the current users of the function, it seems clear to me that
they are looking for a system or board vendor name, so let's limit
dmi_name_in_vendors to these two DMI fields.  This much better matches
the function name, BTW.

[1] We currently have code looking for short names in DMI data, such as
"IBM", "ASUS" or "Acer".  I let you guess what will happen the day other
vendors ship products named, for example, "SCHREIBMEISTER", "PEGASUS" or
"Acerola".

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/firmware/dmi_scan.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index bcb1126e3d00..153980be4ee6 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -585,14 +585,12 @@ int dmi_name_in_serial(const char *str)
 }
 
 /**
- *	dmi_name_in_vendors - Check if string is anywhere in the DMI vendor information.
+ *	dmi_name_in_vendors - Check if string is in the DMI system or board vendor name
  *	@str: 	Case sensitive Name
  */
 int dmi_name_in_vendors(const char *str)
 {
-	static int fields[] = { DMI_BIOS_VENDOR, DMI_BIOS_VERSION, DMI_SYS_VENDOR,
-				DMI_PRODUCT_NAME, DMI_PRODUCT_VERSION, DMI_BOARD_VENDOR,
-				DMI_BOARD_NAME, DMI_BOARD_VERSION, DMI_NONE };
+	static int fields[] = { DMI_SYS_VENDOR, DMI_BOARD_VENDOR, DMI_NONE };
 	int i;
 	for (i = 0; fields[i] != DMI_NONE; i++) {
 		int f = fields[i];
-- 
GitLab


From ea4039a34c4c206d015d34a49d0b00868e37db1d Mon Sep 17 00:00:00 2001
From: Hillf Danton <dhillf@gmail.com>
Date: Tue, 15 Nov 2011 14:36:12 -0800
Subject: [PATCH 0601/1594] hugetlb: release pages in the error path of
 hugetlb_cow()

If we fail to prepare an anon_vma, the {new, old}_page should be released,
or they will leak.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <jweiner@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/hugetlb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index dae27ba3be2c..bb28a5f9db8d 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2422,6 +2422,8 @@ retry_avoidcopy:
 	 * anon_vma prepared.
 	 */
 	if (unlikely(anon_vma_prepare(vma))) {
+		page_cache_release(new_page);
+		page_cache_release(old_page);
 		/* Caller expects lock to be held */
 		spin_lock(&mm->page_table_lock);
 		return VM_FAULT_OOM;
-- 
GitLab


From 8889023a4ab5f32325b568e7626fd2233cf64fa5 Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Sun, 13 Nov 2011 01:43:23 +0100
Subject: [PATCH 0602/1594] unicore32: Fix typo 'PUV3_I2C'

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
---
 arch/unicore32/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index e57dcce9bfda..942ed6174f1d 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -237,13 +237,13 @@ menu "PKUnity NetBook-0916 Features"
 
 config I2C_BATTERY_BQ27200
 	tristate "I2C Battery BQ27200 Support"
-	select PUV3_I2C
+	select I2C_PUV3
 	select POWER_SUPPLY
 	select BATTERY_BQ27x00
 
 config I2C_EEPROM_AT24
 	tristate "I2C EEPROMs AT24 support"
-	select PUV3_I2C
+	select I2C_PUV3
 	select MISC_DEVICES
 	select EEPROM_AT24
 
-- 
GitLab


From ed96dfbcfea92233d27db9d3c77fc91a58c959bf Mon Sep 17 00:00:00 2001
From: Mathias Krause <minipli@googlemail.com>
Date: Tue, 15 Nov 2011 14:54:51 -0800
Subject: [PATCH 0603/1594] unicore32, exec: remove redundant set_fs(USER_DS)

The address limit is already set in flush_old_exec() so this
set_fs(USER_DS) is redundant.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
---
 arch/unicore32/include/asm/processor.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/unicore32/include/asm/processor.h b/arch/unicore32/include/asm/processor.h
index e11cb0786578..f0d780a51f9b 100644
--- a/arch/unicore32/include/asm/processor.h
+++ b/arch/unicore32/include/asm/processor.h
@@ -53,7 +53,6 @@ struct thread_struct {
 #define start_thread(regs, pc, sp)					\
 ({									\
 	unsigned long *stack = (unsigned long *)sp;			\
-	set_fs(USER_DS);						\
 	memset(regs->uregs, 0, sizeof(regs->uregs));			\
 	regs->UCreg_asr = USER_MODE;					\
 	regs->UCreg_pc = pc & ~1;	/* pc */                        \
-- 
GitLab


From 9c8b39077b0a5b0990bb707fcd7b5913d7b322b8 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 8 Nov 2011 19:56:05 -0500
Subject: [PATCH 0604/1594] powerpc: Fix build breakage in jump_label.c

Should do what other architectures do and wrap all that code into
the appropriate ifdef

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/jump_label.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c
index 368d158d665d..a1ed8a8c7cb4 100644
--- a/arch/powerpc/kernel/jump_label.c
+++ b/arch/powerpc/kernel/jump_label.c
@@ -11,6 +11,7 @@
 #include <linux/jump_label.h>
 #include <asm/code-patching.h>
 
+#ifdef HAVE_JUMP_LABEL
 void arch_jump_label_transform(struct jump_entry *entry,
 			       enum jump_label_type type)
 {
@@ -21,3 +22,4 @@ void arch_jump_label_transform(struct jump_entry *entry,
 	else
 		patch_instruction(addr, PPC_INST_NOP);
 }
+#endif
-- 
GitLab


From 4933402075d4f38a82c491a4afca6ca7661aa0a8 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 8 Nov 2011 19:57:05 -0500
Subject: [PATCH 0605/1594] carma-fpga: Missed switch from
 of_register_platform_driver()

... by 6 months

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/misc/carma/carma-fpga-program.c | 9 ++++-----
 drivers/misc/carma/carma-fpga.c         | 9 ++++-----
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index 7ce6065dc20e..eb5cd28bc6d8 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -945,8 +945,7 @@ static int fpga_of_remove(struct platform_device *op)
 /* CTL-CPLD Version Register */
 #define CTL_CPLD_VERSION	0x2000
 
-static int fpga_of_probe(struct platform_device *op,
-			 const struct of_device_id *match)
+static int fpga_of_probe(struct platform_device *op)
 {
 	struct device_node *of_node = op->dev.of_node;
 	struct device *this_device;
@@ -1107,7 +1106,7 @@ static struct of_device_id fpga_of_match[] = {
 	{},
 };
 
-static struct of_platform_driver fpga_of_driver = {
+static struct platform_driver fpga_of_driver = {
 	.probe		= fpga_of_probe,
 	.remove		= fpga_of_remove,
 	.driver		= {
@@ -1124,12 +1123,12 @@ static struct of_platform_driver fpga_of_driver = {
 static int __init fpga_init(void)
 {
 	led_trigger_register_simple("fpga", &ledtrig_fpga);
-	return of_register_platform_driver(&fpga_of_driver);
+	return platform_driver_register(&fpga_of_driver);
 }
 
 static void __exit fpga_exit(void)
 {
-	of_unregister_platform_driver(&fpga_of_driver);
+	platform_driver_unregister(&fpga_of_driver);
 	led_trigger_unregister_simple(ledtrig_fpga);
 }
 
diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c
index 3965821fef17..14e974b2a781 100644
--- a/drivers/misc/carma/carma-fpga.c
+++ b/drivers/misc/carma/carma-fpga.c
@@ -1249,8 +1249,7 @@ static bool dma_filter(struct dma_chan *chan, void *data)
 	return true;
 }
 
-static int data_of_probe(struct platform_device *op,
-			 const struct of_device_id *match)
+static int data_of_probe(struct platform_device *op)
 {
 	struct device_node *of_node = op->dev.of_node;
 	struct device *this_device;
@@ -1401,7 +1400,7 @@ static struct of_device_id data_of_match[] = {
 	{},
 };
 
-static struct of_platform_driver data_of_driver = {
+static struct platform_driver data_of_driver = {
 	.probe		= data_of_probe,
 	.remove		= data_of_remove,
 	.driver		= {
@@ -1417,12 +1416,12 @@ static struct of_platform_driver data_of_driver = {
 
 static int __init data_init(void)
 {
-	return of_register_platform_driver(&data_of_driver);
+	return platform_driver_register(&data_of_driver);
 }
 
 static void __exit data_exit(void)
 {
-	of_unregister_platform_driver(&data_of_driver);
+	platform_driver_unregister(&data_of_driver);
 }
 
 MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
-- 
GitLab


From 5f861ed40200c5c61b698f8d795349112579bcdb Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 8 Nov 2011 19:58:17 -0500
Subject: [PATCH 0606/1594] powerpc/fsl_udc_core: Fix dumb typo

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/usb/gadget/fsl_udc_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index b2c44e1d5813..d786ba31fc07 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1717,7 +1717,7 @@ static void dtd_complete_irq(struct fsl_udc *udc)
 
 static inline enum usb_device_speed portscx_device_speed(u32 reg)
 {
-	switch (speed & PORTSCX_PORT_SPEED_MASK) {
+	switch (reg & PORTSCX_PORT_SPEED_MASK) {
 	case PORTSCX_PORT_SPEED_HIGH:
 		return USB_SPEED_HIGH;
 	case PORTSCX_PORT_SPEED_FULL:
-- 
GitLab


From 82640a6b9166c993104e255b414298cbec6ecd45 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 8 Nov 2011 21:10:29 -0500
Subject: [PATCH 0607/1594] powerpc/fsl: MCU_MPC8349EMITX wants I2C built-in,
 modular won't do...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index e4588721ef34..3fe6d927ad70 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -347,7 +347,7 @@ config SIMPLE_GPIO
 
 config MCU_MPC8349EMITX
 	bool "MPC8349E-mITX MCU driver"
-	depends on I2C && PPC_83xx
+	depends on I2C=y && PPC_83xx
 	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
 	help
-- 
GitLab


From bbc24a25e29136a56cf5015ef23eb2c2e8828023 Mon Sep 17 00:00:00 2001
From: Suzuki Poulose <suzuki@in.ibm.com>
Date: Mon, 14 Nov 2011 16:43:50 +0000
Subject: [PATCH 0608/1594] powerpc/4xx: Fix typos in kexec config dependencies

Kexec is not supported on 47x. 47x is a variant of 44x with slightly
different MMU and SMP support. There was a typo in the config dependency
for kexec. This patch fixes the same.

Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc:	Kumar Gala <galak@kernel.crashing.org>
Cc:	Josh Boyer <jwboyer@gmail.com>
Cc:	linux ppc dev <linuxppc-dev@lists.ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/Kconfig          | 2 +-
 arch/powerpc/kernel/misc_32.S | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b177caa56d95..951e18f5335b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -345,7 +345,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
 
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
-	depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !47x)) && EXPERIMENTAL
+	depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !PPC_47x)) && EXPERIMENTAL
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index f7d760ab5ca1..7cd07b42ca1a 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -738,7 +738,7 @@ relocate_new_kernel:
 	mr      r5, r31
 
 	li	r0, 0
-#elif defined(CONFIG_44x)  && !defined(CONFIG_47x)
+#elif defined(CONFIG_44x)  && !defined(CONFIG_PPC_47x)
 
 /*
  * Code for setting up 1:1 mapping for PPC440x for KEXEC
-- 
GitLab


From 6d1e2c6c1a0b800473db4df8595c95745be548ea Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 14 Nov 2011 12:55:47 +0000
Subject: [PATCH 0609/1594] powerpc: panic if we can't instantiate RTAS

I had to debug a strange situation where all manner of things were
failing. SMT threads, storage and network were all completely broken.

The root cause was we couldn't find enough memory to instantiate RTAS -
this was a network install so the initrd was huge.

Instead of limping along and failing in mysterious ways we should just
panic up front if RTAS exists and we can't allocate space for it.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/prom_init.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index b4fa66127495..cc584865b3df 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1579,10 +1579,8 @@ static void __init prom_instantiate_rtas(void)
 		return;
 
 	base = alloc_down(size, PAGE_SIZE, 0);
-	if (base == 0) {
-		prom_printf("RTAS allocation failed !\n");
-		return;
-	}
+	if (base == 0)
+		prom_panic("Could not allocate memory for RTAS\n");
 
 	rtas_inst = call_prom("open", 1, 1, ADDR("/rtas"));
 	if (!IHANDLE_VALID(rtas_inst)) {
-- 
GitLab


From d715e433b7ad19c02fc4becf0d5e9a59f97925de Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 14 Nov 2011 12:54:47 +0000
Subject: [PATCH 0610/1594] powerpc: Copy down exception vectors after feature
 fixups

kdump fails because we try to execute an HV only instruction. Feature
fixups are being applied after we copy the exception vectors down to 0
so they miss out on any updates.

We have always had this issue but it only became critical in v3.0
when we added CFAR support (breaks POWER5) and v3.1 when we added
POWERNV (breaks everyone).

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: <stable@kernel.org> [v3.0+]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/sections.h |  2 +-
 arch/powerpc/include/asm/synch.h    |  1 +
 arch/powerpc/kernel/kvm.c           |  1 -
 arch/powerpc/kernel/setup_32.c      |  2 ++
 arch/powerpc/kernel/setup_64.c      |  1 +
 arch/powerpc/lib/feature-fixups.c   | 23 +++++++++++++++++++++++
 6 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 6fbce725c710..a0f358d4a00c 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -8,7 +8,7 @@
 
 #ifdef __powerpc64__
 
-extern char _end[];
+extern char __end_interrupts[];
 
 static inline int in_kernel_text(unsigned long addr)
 {
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index d7cab44643c5..87878c68d1c2 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h
@@ -13,6 +13,7 @@
 extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
 extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
 			     void *fixup_end);
+extern void do_final_fixups(void);
 
 static inline void eieio(void)
 {
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index 35f27646c4ff..2985338d0e10 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -132,7 +132,6 @@ static void kvm_patch_ins_b(u32 *inst, int addr)
 	/* On relocatable kernels interrupts handlers and our code
 	   can be in different regions, so we don't patch them */
 
-	extern u32 __end_interrupts;
 	if ((ulong)inst < (ulong)&__end_interrupts)
 		return;
 #endif
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index c1ce86357ecb..ac7610815113 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -107,6 +107,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr)
 			 PTRRELOC(&__start___lwsync_fixup),
 			 PTRRELOC(&__stop___lwsync_fixup));
 
+	do_final_fixups();
+
 	return KERNELBASE + offset;
 }
 
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 1a9dea80a69b..fb9bb46e7e88 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -359,6 +359,7 @@ void __init setup_system(void)
 			  &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
 	do_lwsync_fixups(cur_cpu_spec->cpu_features,
 			 &__start___lwsync_fixup, &__stop___lwsync_fixup);
+	do_final_fixups();
 
 	/*
 	 * Unflatten the device-tree passed by prom_init or kexec
diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c
index 0d08d0171392..7a8a7487cee8 100644
--- a/arch/powerpc/lib/feature-fixups.c
+++ b/arch/powerpc/lib/feature-fixups.c
@@ -18,6 +18,8 @@
 #include <linux/init.h>
 #include <asm/cputable.h>
 #include <asm/code-patching.h>
+#include <asm/page.h>
+#include <asm/sections.h>
 
 
 struct fixup_entry {
@@ -128,6 +130,27 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end)
 	}
 }
 
+void do_final_fixups(void)
+{
+#if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE)
+	int *src, *dest;
+	unsigned long length;
+
+	if (PHYSICAL_START == 0)
+		return;
+
+	src = (int *)(KERNELBASE + PHYSICAL_START);
+	dest = (int *)KERNELBASE;
+	length = (__end_interrupts - _stext) / sizeof(int);
+
+	while (length--) {
+		patch_instruction(dest, *src);
+		src++;
+		dest++;
+	}
+#endif
+}
+
 #ifdef CONFIG_FTR_FIXUP_SELFTEST
 
 #define check(x)	\
-- 
GitLab


From 2cd76629f6c40f7b227ba7b3885ce10e6ec0face Mon Sep 17 00:00:00 2001
From: Kevin Hao <kexin.hao@windriver.com>
Date: Thu, 10 Nov 2011 16:04:17 +0000
Subject: [PATCH 0611/1594] powerpc/trace: Add a dummy stack frame for
 trace_hardirqs_off

The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1.
If an exception occurs in user mode, there is only one stack frame
on the stack and accessing the CALLER_ADDR1 will causes the following
call trace. So we create a dummy stack frame to make
trace_hardirqs_off happy.

WARNING: at kernel/smp.c:459
Modules linked in:
NIP: c0093280 LR: c00930a0 CTR: c0010780
REGS: edb87ae0 TRAP: 0700   Not tainted  (3.1.0)
MSR: 00021002 <ME,CE>  CR: 28002888  XER: 00000000
TASK = edce2ac0[17658] 'mthread-lock-on' THREAD: edb86000 CPU: 5
GPR00: 00000001 edb87b90 edce2ac0 00000005 c0019594 edb87bd8 00000001 00000fe3
GPR08: 00041000 c084138c 4e20120d edb87b90 48002888 1001aa7c 00000000 00000000
GPR16: 48830000 10012a8c 00000000 10000af4 00000001 c0810000 00000000 00000000
GPR24: ee9aa920 c0816a18 00000000 00000005 c0019594 edb87bd8 ee20178c edb87b90
NIP [c0093280] smp_call_function_many+0x214/0x2b4
LR [c00930a0] smp_call_function_many+0x34/0x2b4
Call Trace:
[edb87b90] [c00930a0] smp_call_function_many+0x34/0x2b4 (unreliable)
[edb87bd0] [c00194ec] __flush_tlb_page+0xac/0x100
[edb87c00] [c001957c] flush_tlb_page+0x3c/0x54
[edb87c10] [c00180ac] ptep_set_access_flags+0x74/0x12c
[edb87c40] [c0128068] handle_pte_fault+0x2f0/0x9ac
[edb87cb0] [c0128c3c] handle_mm_fault+0x104/0x1dc
[edb87ce0] [c05f40f4] do_page_fault+0x2dc/0x630
[edb87e50] [c001078c] handle_page_fault+0xc/0x80

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/entry_32.S | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 56212bc0ab08..4f80cf1ce77b 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -215,7 +215,22 @@ reenable_mmu:				/* re-enable mmu so we can */
 	stw	r9,8(r1)
 	stw	r11,12(r1)
 	stw	r3,ORIG_GPR3(r1)
+	/*
+	 * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1.
+	 * If from user mode there is only one stack frame on the stack, and
+	 * accessing CALLER_ADDR1 will cause oops. So we need create a dummy
+	 * stack frame to make trace_hardirqs_off happy.
+	 */
+	andi.	r12,r12,MSR_PR
+	beq	11f
+	stwu	r1,-16(r1)
+	bl	trace_hardirqs_off
+	addi	r1,r1,16
+	b	12f
+
+11:
 	bl	trace_hardirqs_off
+12:
 	lwz	r0,GPR0(r1)
 	lwz	r3,ORIG_GPR3(r1)
 	lwz	r4,GPR4(r1)
-- 
GitLab


From de1d9248eadd27539eba449b4d09428252e80c04 Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Wed, 9 Nov 2011 20:39:49 +0000
Subject: [PATCH 0612/1594] powerpc: Add hvcall.h include to book3s_hv.c

If you build with KVM and UP it fails with the following due to a
missing include.

/arch/powerpc/kvm/book3s_hv.c: In function 'do_h_register_vpa':
arch/powerpc/kvm/book3s_hv.c:156:10: error: 'H_PARAMETER' undeclared (first use in this function)
arch/powerpc/kvm/book3s_hv.c:156:10: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/kvm/book3s_hv.c:192:12: error: 'H_RESOURCE' undeclared (first use in this function)
arch/powerpc/kvm/book3s_hv.c:222:9: error: 'H_SUCCESS' undeclared (first use in this function)
arch/powerpc/kvm/book3s_hv.c: In function 'kvmppc_pseries_do_hcall':
arch/powerpc/kvm/book3s_hv.c:228:30: error: 'H_SUCCESS' undeclared (first use in this function)
arch/powerpc/kvm/book3s_hv.c:232:7: error: 'H_CEDE' undeclared (first use in this function)
arch/powerpc/kvm/book3s_hv.c:234:7: error: 'H_PROD' undeclared (first use in this function)
arch/powerpc/kvm/book3s_hv.c:238:10: error: 'H_PARAMETER' undeclared (first use in this function)
arch/powerpc/kvm/book3s_hv.c:250:7: error: 'H_CONFER' undeclared (first use in this function)
arch/powerpc/kvm/book3s_hv.c:252:7: error: 'H_REGISTER_VPA' undeclared (first use in this function)
make[2]: *** [arch/powerpc/kvm/book3s_hv.o] Error 1

Signed-off-by: Michael Neuling <mikey@neuling.org>
cc: stable@kernel.org (3.1 only)
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kvm/book3s_hv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0cdbc07cec14..0cb137a9b038 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -44,6 +44,7 @@
 #include <asm/processor.h>
 #include <asm/cputhreads.h>
 #include <asm/page.h>
+#include <asm/hvcall.h>
 #include <linux/gfp.h>
 #include <linux/sched.h>
 #include <linux/vmalloc.h>
-- 
GitLab


From 72f3bea075287785ed32b777b6dd2636aa7002e8 Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Tue, 8 Nov 2011 12:37:26 +0000
Subject: [PATCH 0613/1594] powerpc/ps3: Fix lost SMP IPIs

Fixes the PS3 bootup hang introduced in 3.0-rc1 by:

  commit 317f394160e9beb97d19a84c39b7e5eb3d7815a
  sched: Move the second half of ttwu() to the remote cpu

Move the PS3's LV1 EOI call lv1_end_of_interrupt_ext() from ps3_chip_eoi()
to ps3_get_irq() for IPI messages.

If lv1_send_event_locally() is called between a previous call to
lv1_send_event_locally() and the coresponding call to
lv1_end_of_interrupt_ext() the second event will not be delivered to the
target cpu.

The PS3's SMP IPIs are implemented using lv1_send_event_locally(), so if two
IPI messages of the same type are sent to the same target in a relatively
short period of time the second IPI event can become lost when
lv1_end_of_interrupt_ext() is called from ps3_chip_eoi().

CC: stable@kernel.org
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/ps3/interrupt.c | 23 ++++++++++++++++++++++-
 arch/powerpc/platforms/ps3/platform.h  |  1 +
 arch/powerpc/platforms/ps3/smp.c       |  2 ++
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index 404bc52b7806..1d6f4f478fe2 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -88,6 +88,7 @@ struct ps3_private {
 	struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN)));
 	u64 ppe_id;
 	u64 thread_id;
+	unsigned long ipi_mask;
 };
 
 static DEFINE_PER_CPU(struct ps3_private, ps3_private);
@@ -144,7 +145,11 @@ static void ps3_chip_unmask(struct irq_data *d)
 static void ps3_chip_eoi(struct irq_data *d)
 {
 	const struct ps3_private *pd = irq_data_get_irq_chip_data(d);
-	lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq);
+
+	/* non-IPIs are EOIed here. */
+
+	if (!test_bit(63 - d->irq, &pd->ipi_mask))
+		lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq);
 }
 
 /**
@@ -691,6 +696,16 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq)
 		cpu, virq, pd->bmp.ipi_debug_brk_mask);
 }
 
+void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq)
+{
+	struct ps3_private *pd = &per_cpu(ps3_private, cpu);
+
+	set_bit(63 - virq, &pd->ipi_mask);
+
+	DBG("%s:%d: cpu %u, virq %u, ipi_mask %lxh\n", __func__, __LINE__,
+		cpu, virq, pd->ipi_mask);
+}
+
 static unsigned int ps3_get_irq(void)
 {
 	struct ps3_private *pd = &__get_cpu_var(ps3_private);
@@ -720,6 +735,12 @@ static unsigned int ps3_get_irq(void)
 		BUG();
 	}
 #endif
+
+	/* IPIs are EOIed here. */
+
+	if (test_bit(63 - plug, &pd->ipi_mask))
+		lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, plug);
+
 	return plug;
 }
 
diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h
index 9a196a88eda7..1a633ed0fe98 100644
--- a/arch/powerpc/platforms/ps3/platform.h
+++ b/arch/powerpc/platforms/ps3/platform.h
@@ -43,6 +43,7 @@ void ps3_mm_shutdown(void);
 void ps3_init_IRQ(void);
 void ps3_shutdown_IRQ(int cpu);
 void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq);
+void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq);
 
 /* smp */
 
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index 4c44794faac0..f609345b6c3a 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -94,6 +94,8 @@ static void __init ps3_smp_setup_cpu(int cpu)
 
 		if (result)
 			virqs[i] = NO_IRQ;
+		else
+			ps3_register_ipi_irq(cpu, virqs[i]);
 	}
 
 	ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
-- 
GitLab


From 7eaf09eefe5b98a530bc5f7b317b9aba1628cf61 Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Tue, 8 Nov 2011 12:38:21 +0000
Subject: [PATCH 0614/1594] powerpc/ps3: Fix SMP lockdep boot warning

Move the PS3 IPI message setup from ps3_smp_setup_cpu() to ps3_smp_probe().

Fixes startup warnings like these:

  ------------[ cut here ]------------
  WARNING: at kernel/lockdep.c:2649
  Modules linked in:
  ...
  ---[ end trace 31fd0ba7d8756001 ]---

Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/ps3/smp.c | 64 ++++++++++++++++----------------
 1 file changed, 32 insertions(+), 32 deletions(-)

diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index f609345b6c3a..efc1cd8c034a 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -59,48 +59,49 @@ static void ps3_smp_message_pass(int cpu, int msg)
 
 static int ps3_smp_probe(void)
 {
-	return 2;
-}
+	int cpu;
 
-static void __init ps3_smp_setup_cpu(int cpu)
-{
-	int result;
-	unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
-	int i;
+	for (cpu = 0; cpu < 2; cpu++) {
+		int result;
+		unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
+		int i;
 
-	DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
+		DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
 
-	/*
-	 * Check assumptions on ps3_ipi_virqs[] indexing. If this
-	 * check fails, then a different mapping of PPC_MSG_
-	 * to index needs to be setup.
-	 */
+		/*
+		* Check assumptions on ps3_ipi_virqs[] indexing. If this
+		* check fails, then a different mapping of PPC_MSG_
+		* to index needs to be setup.
+		*/
 
-	BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
-	BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
-	BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
-	BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
+		BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
+		BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
+		BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
+		BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
 
-	for (i = 0; i < MSG_COUNT; i++) {
-		result = ps3_event_receive_port_setup(cpu, &virqs[i]);
+		for (i = 0; i < MSG_COUNT; i++) {
+			result = ps3_event_receive_port_setup(cpu, &virqs[i]);
 
-		if (result)
-			continue;
+			if (result)
+				continue;
 
-		DBG("%s:%d: (%d, %d) => virq %u\n",
-			__func__, __LINE__, cpu, i, virqs[i]);
+			DBG("%s:%d: (%d, %d) => virq %u\n",
+				__func__, __LINE__, cpu, i, virqs[i]);
 
-		result = smp_request_message_ipi(virqs[i], i);
+			result = smp_request_message_ipi(virqs[i], i);
 
-		if (result)
-			virqs[i] = NO_IRQ;
-		else
-			ps3_register_ipi_irq(cpu, virqs[i]);
-	}
+			if (result)
+				virqs[i] = NO_IRQ;
+			else
+				ps3_register_ipi_irq(cpu, virqs[i]);
+		}
 
-	ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
+		ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
 
-	DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
+		DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
+	}
+
+	return 2;
 }
 
 void ps3_smp_cleanup_cpu(int cpu)
@@ -123,7 +124,6 @@ static struct smp_ops_t ps3_smp_ops = {
 	.probe		= ps3_smp_probe,
 	.message_pass	= ps3_smp_message_pass,
 	.kick_cpu	= smp_generic_kick_cpu,
-	.setup_cpu	= ps3_smp_setup_cpu,
 };
 
 void smp_init_ps3(void)
-- 
GitLab


From 4dcfe1025b513c2c1da5bf5586adb0e80148f612 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Thu, 10 Nov 2011 13:01:10 +0100
Subject: [PATCH 0615/1594] sched: Avoid SMT siblings in select_idle_sibling()
 if possible

Avoid select_idle_sibling() from picking a sibling thread if there's
an idle core that shares cache.

This fixes SMT balancing in the increasingly common case where there's
a shared cache core available to balance to.

Tested-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1321350377.1421.55.camel@twins
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched_fair.c | 42 ++++++++++++++++++++++++++++--------------
 1 file changed, 28 insertions(+), 14 deletions(-)

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 7e51b5bb27cc..ba0e1f49a22f 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -2326,7 +2326,8 @@ static int select_idle_sibling(struct task_struct *p, int target)
 	int cpu = smp_processor_id();
 	int prev_cpu = task_cpu(p);
 	struct sched_domain *sd;
-	int i;
+	struct sched_group *sg;
+	int i, smt = 0;
 
 	/*
 	 * If the task is going to be woken-up on this cpu and if it is
@@ -2346,25 +2347,38 @@ static int select_idle_sibling(struct task_struct *p, int target)
 	 * Otherwise, iterate the domains and find an elegible idle cpu.
 	 */
 	rcu_read_lock();
+again:
 	for_each_domain(target, sd) {
-		if (!(sd->flags & SD_SHARE_PKG_RESOURCES))
-			break;
+		if (!smt && (sd->flags & SD_SHARE_CPUPOWER))
+			continue;
 
-		for_each_cpu_and(i, sched_domain_span(sd), tsk_cpus_allowed(p)) {
-			if (idle_cpu(i)) {
-				target = i;
-				break;
+		if (!(sd->flags & SD_SHARE_PKG_RESOURCES)) {
+			if (!smt) {
+				smt = 1;
+				goto again;
 			}
+			break;
 		}
 
-		/*
-		 * Lets stop looking for an idle sibling when we reached
-		 * the domain that spans the current cpu and prev_cpu.
-		 */
-		if (cpumask_test_cpu(cpu, sched_domain_span(sd)) &&
-		    cpumask_test_cpu(prev_cpu, sched_domain_span(sd)))
-			break;
+		sg = sd->groups;
+		do {
+			if (!cpumask_intersects(sched_group_cpus(sg),
+						tsk_cpus_allowed(p)))
+				goto next;
+
+			for_each_cpu(i, sched_group_cpus(sg)) {
+				if (!idle_cpu(i))
+					goto next;
+			}
+
+			target = cpumask_first_and(sched_group_cpus(sg),
+					tsk_cpus_allowed(p));
+			goto done;
+next:
+			sg = sg->next;
+		} while (sg != sd->groups);
 	}
+done:
 	rcu_read_unlock();
 
 	return target;
-- 
GitLab


From fccfdc6f0d8c83c854eeb6d93aa158f0e551bd49 Mon Sep 17 00:00:00 2001
From: Paul Turner <pjt@google.com>
Date: Mon, 7 Nov 2011 20:26:34 -0800
Subject: [PATCH 0616/1594] sched: Fix buglet in return_cfs_rq_runtime()

In return_cfs_rq_runtime() we want to return bandwidth when there are no
remaining tasks, not "return" when this is the case.

Signed-off-by: Paul Turner <pjt@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111108042736.623812423@google.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched_fair.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index ba0e1f49a22f..a78ed2736ba7 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1756,7 +1756,7 @@ static void __return_cfs_rq_runtime(struct cfs_rq *cfs_rq)
 
 static __always_inline void return_cfs_rq_runtime(struct cfs_rq *cfs_rq)
 {
-	if (!cfs_rq->runtime_enabled || !cfs_rq->nr_running)
+	if (!cfs_rq->runtime_enabled || cfs_rq->nr_running)
 		return;
 
 	__return_cfs_rq_runtime(cfs_rq);
-- 
GitLab


From 3bb9068278ea524581237abadd41377a14717e7d Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 16 Nov 2011 09:21:48 +0100
Subject: [PATCH 0617/1594] loop: prevent information leak after failed read

If read was not fully successful we have to fail whole bio to prevent
information leak of old pages

##Testcase_begin
dd if=/dev/zero of=./file bs=1M count=1
losetup /dev/loop0 ./file -o 4096
truncate -s 0 ./file
# OOps loop offset is now beyond i_size, so read will silently fail.
# So bio's pages would not be cleared, may which result in information leak.
hexdump -C /dev/loop0
##testcase_end

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/loop.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 3d806820280e..0d567397c254 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -372,7 +372,8 @@ do_lo_receive(struct loop_device *lo,
 
 	if (retval < 0)
 		return retval;
-
+	if (retval != bvec->bv_len)
+		return -EIO;
 	return 0;
 }
 
-- 
GitLab


From 0c614e2d3e6ee6ff13c6181f380787cea1d82d1d Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 16 Nov 2011 09:21:48 +0100
Subject: [PATCH 0618/1594] include/linux/bio.h: use a static inline function
 for bio_integrity_clone()

When CONFIG_BLK_DEV_INTEGRITY is not set, we get these warnings:

drivers/md/dm.c: In function 'split_bvec':
drivers/md/dm.c:1061:3: warning: statement with no effect
drivers/md/dm.c: In function 'clone_bio':
drivers/md/dm.c:1088:3: warning: statement with no effect

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 include/linux/bio.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index a3c071c9e189..d2a3cc23d828 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -519,7 +519,11 @@ extern void bio_integrity_init(void);
 #define bioset_integrity_create(a, b)	(0)
 #define bio_integrity_prep(a)		(0)
 #define bio_integrity_enabled(a)	(0)
-#define bio_integrity_clone(a, b, c, d)	(0)
+static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
+				      gfp_t gfp_mask, struct bio_set *bs)
+{
+	return 0;
+}
 #define bioset_integrity_free(a)	do { } while (0)
 #define bio_integrity_free(a, b)	do { } while (0)
 #define bio_integrity_endio(a, b)	do { } while (0)
-- 
GitLab


From 7035b5df3c071ccaf2f1694b96bd8958b0eb37ca Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 16 Nov 2011 09:21:49 +0100
Subject: [PATCH 0619/1594] loop: cleanup set_status interface

1) Anyone who has read access to loopdev has permission to call set_status
   and may change important parameters such as lo_offset, lo_sizelimit and
   so on, which contradicts to read access pattern and definitely equals
   to write access pattern.
2) Add lo_offset over i_size check to prevent blkdev_size overflow.
   ##Testcase_bagin
   #dd if=/dev/zero of=./file bs=1k count=1
   #losetup /dev/loop0 ./file
   /* userspace_application */
   struct loop_info64 loinf;
   fd = open("/dev/loop0", O_RDONLY);
   ioctl(fd, LOOP_GET_STATUS64, &loinf);
   /* Set offset to any value which is bigger than i_size, and sizelimit
    * to nonzero value*/
   loinf.lo_offset = 4096*1024;
   loinf.lo_sizelimit = 1024;
   ioctl(fd, LOOP_SET_STATUS64, &loinf);
   /* After this loop device will have size similar to 0x7fffffffffxxxx */
   #blockdev --getsz /dev/loop0
   ##OUTPUT: 36028797018955968
   ##Testcase_end

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/loop.c | 44 +++++++++++++++++++++++++++++---------------
 1 file changed, 29 insertions(+), 15 deletions(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 0d567397c254..68b205a9338f 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -161,17 +161,19 @@ static struct loop_func_table *xfer_funcs[MAX_LO_CRYPT] = {
 	&xor_funcs
 };
 
-static loff_t get_loop_size(struct loop_device *lo, struct file *file)
+static loff_t get_size(loff_t offset, loff_t sizelimit, struct file *file)
 {
-	loff_t size, offset, loopsize;
+	loff_t size, loopsize;
 
 	/* Compute loopsize in bytes */
 	size = i_size_read(file->f_mapping->host);
-	offset = lo->lo_offset;
 	loopsize = size - offset;
-	if (lo->lo_sizelimit > 0 && lo->lo_sizelimit < loopsize)
-		loopsize = lo->lo_sizelimit;
+	/* offset is beyond i_size, wierd but possible */
+	if (loopsize < 0)
+		return 0;
 
+	if (sizelimit > 0 && sizelimit < loopsize)
+		loopsize = sizelimit;
 	/*
 	 * Unfortunately, if we want to do I/O on the device,
 	 * the number of 512-byte sectors has to fit into a sector_t.
@@ -179,17 +181,25 @@ static loff_t get_loop_size(struct loop_device *lo, struct file *file)
 	return loopsize >> 9;
 }
 
+static loff_t get_loop_size(struct loop_device *lo, struct file *file)
+{
+	return get_size(lo->lo_offset, lo->lo_sizelimit, file);
+}
+
 static int
-figure_loop_size(struct loop_device *lo)
+figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit)
 {
-	loff_t size = get_loop_size(lo, lo->lo_backing_file);
+	loff_t size = get_size(offset, sizelimit, lo->lo_backing_file);
 	sector_t x = (sector_t)size;
 
 	if (unlikely((loff_t)x != size))
 		return -EFBIG;
-
+	if (lo->lo_offset != offset)
+		lo->lo_offset = offset;
+	if (lo->lo_sizelimit != sizelimit)
+		lo->lo_sizelimit = sizelimit;
 	set_capacity(lo->lo_disk, x);
-	return 0;					
+	return 0;
 }
 
 static inline int
@@ -1059,9 +1069,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
 
 	if (lo->lo_offset != info->lo_offset ||
 	    lo->lo_sizelimit != info->lo_sizelimit) {
-		lo->lo_offset = info->lo_offset;
-		lo->lo_sizelimit = info->lo_sizelimit;
-		if (figure_loop_size(lo))
+		if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit))
 			return -EFBIG;
 	}
 	loop_config_discard(lo);
@@ -1247,7 +1255,7 @@ static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev)
 	err = -ENXIO;
 	if (unlikely(lo->lo_state != Lo_bound))
 		goto out;
-	err = figure_loop_size(lo);
+	err = figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit);
 	if (unlikely(err))
 		goto out;
 	sec = get_capacity(lo->lo_disk);
@@ -1285,13 +1293,19 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode,
 			goto out_unlocked;
 		break;
 	case LOOP_SET_STATUS:
-		err = loop_set_status_old(lo, (struct loop_info __user *) arg);
+		err = -EPERM;
+		if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+			err = loop_set_status_old(lo,
+					(struct loop_info __user *)arg);
 		break;
 	case LOOP_GET_STATUS:
 		err = loop_get_status_old(lo, (struct loop_info __user *) arg);
 		break;
 	case LOOP_SET_STATUS64:
-		err = loop_set_status64(lo, (struct loop_info64 __user *) arg);
+		err = -EPERM;
+		if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+			err = loop_set_status64(lo,
+					(struct loop_info64 __user *) arg);
 		break;
 	case LOOP_GET_STATUS64:
 		err = loop_get_status64(lo, (struct loop_info64 __user *) arg);
-- 
GitLab


From 0007a4c90a11a5371c8b3f80b220fa402a399189 Mon Sep 17 00:00:00 2001
From: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
Date: Wed, 16 Nov 2011 09:21:49 +0100
Subject: [PATCH 0620/1594] cciss: auto engage SCSI mid layer at driver load
 time

A long time ago, probably in 2002, one of the distros, or maybe more than
one, loaded block drivers prior to loading the SCSI mid layer.  This meant
that the cciss driver, being a block driver, could not engage the SCSI mid
layer at init time without panicking, and relied on being poked by a
userland program after the system was up (and the SCSI mid layer was
therefore present) to engage the SCSI mid layer.

This is no longer the case, and cciss can safely rely on the SCSI mid
layer being present at init time and engage the SCSI mid layer straight
away.  This means that users will see their tape drives and medium
changers at driver load time without need for a script in /etc/rc.d that
does this:

for x in /proc/driver/cciss/cciss*
do
	echo "engage scsi" > $x
done

However, if no tape drives or medium changers are detected, the SCSI mid
layer will not be engaged.  If a tape drive or medium change is later
hot-added to the system it will then be necessary to use the above script
or similar for the device(s) to be acceesible.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 Documentation/blockdev/cciss.txt | 14 ++++++--------
 drivers/block/cciss.c            |  1 +
 drivers/block/cciss_scsi.c       |  1 +
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Documentation/blockdev/cciss.txt b/Documentation/blockdev/cciss.txt
index 71464e09ec18..b79d0a13e7cd 100644
--- a/Documentation/blockdev/cciss.txt
+++ b/Documentation/blockdev/cciss.txt
@@ -98,14 +98,12 @@ You must enable "SCSI tape drive support for Smart Array 5xxx" and
 "SCSI support" in your kernel configuration to be able to use SCSI
 tape drives with your Smart Array 5xxx controller.
 
-Additionally, note that the driver will not engage the SCSI core at init 
-time.  The driver must be directed to dynamically engage the SCSI core via 
-the /proc filesystem entry which the "block" side of the driver creates as 
-/proc/driver/cciss/cciss* at runtime.  This is because at driver init time, 
-the SCSI core may not yet be initialized (because the driver is a block 
-driver) and attempting to register it with the SCSI core in such a case 
-would cause a hang.  This is best done via an initialization script 
-(typically in /etc/init.d, but could vary depending on distribution). 
+Additionally, note that the driver will engage the SCSI core at init
+time if any tape drives or medium changers are detected.  The driver may
+also be directed to dynamically engage the SCSI core via the /proc filesystem
+entry which the "block" side of the driver creates as
+/proc/driver/cciss/cciss* at runtime.  This is best done via a script.
+
 For example:
 
 	for x in /proc/driver/cciss/cciss[0-9]*
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 5b690194dd99..8004ac30a7a8 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -5163,6 +5163,7 @@ reinit_after_soft_reset:
 	h->cciss_max_sectors = 8192;
 
 	rebuild_lun_table(h, 1, 0);
+	cciss_engage_scsi(h);
 	h->busy_initializing = 0;
 	return 1;
 
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 951a4e33b92b..e820b68d2f6c 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -1720,5 +1720,6 @@ static int  cciss_eh_abort_handler(struct scsi_cmnd *scsicmd)
 /* If no tape support, then these become defined out of existence */
 
 #define cciss_scsi_setup(cntl_num)
+#define cciss_engage_scsi(h)
 
 #endif /* CONFIG_CISS_SCSI_TAPE */
-- 
GitLab


From 3540d5e89b2ac268fcfc9b07a50a9ba4acc2e5e5 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Wed, 16 Nov 2011 09:21:50 +0100
Subject: [PATCH 0621/1594] block: avoid unnecessary plug list flush

get_request_wait() could sleep and flush the plug list.  If the list is
already flushed, don't flush again.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Reviewed-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/blk-core.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index f43c8a5840ae..6403c12f8aad 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1379,15 +1379,17 @@ get_rq:
 		 */
 		if (list_empty(&plug->list))
 			trace_block_plug(q);
-		else if (!plug->should_sort) {
-			struct request *__rq;
+		else {
+			if (!plug->should_sort) {
+				struct request *__rq;
 
-			__rq = list_entry_rq(plug->list.prev);
-			if (__rq->q != q)
-				plug->should_sort = 1;
+				__rq = list_entry_rq(plug->list.prev);
+				if (__rq->q != q)
+					plug->should_sort = 1;
+			}
+			if (request_count >= BLK_MAX_REQUEST_COUNT)
+				blk_flush_plug_list(plug, false);
 		}
-		if (request_count >= BLK_MAX_REQUEST_COUNT)
-			blk_flush_plug_list(plug, false);
 		list_add_tail(&req->queuelist, &plug->list);
 		drive_stat_acct(req, 1);
 	} else {
-- 
GitLab


From 121f099412bd6576dfb3d94222e89d9341362177 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 16 Nov 2011 09:21:50 +0100
Subject: [PATCH 0622/1594] bio: change some signed vars to unsigned

This is just a cleanup patch to silence a static checker warning.

The problem is that we cap "nr_iovecs" so it can't be larger than
"UIO_MAXIOV" but we don't check for negative values.  It turns out this is
prevented at other layers, but logically it doesn't make sense to have
negative nr_iovecs so making it unsigned is nicer.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/bio.c            | 7 ++++---
 include/linux/bio.h | 4 ++--
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/fs/bio.c b/fs/bio.c
index 41c93c722244..b1fe82cf88cf 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -337,7 +337,7 @@ static void bio_fs_destructor(struct bio *bio)
  *	RETURNS:
  *	Pointer to new bio on success, NULL on failure.
  */
-struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs)
+struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs)
 {
 	struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set);
 
@@ -365,7 +365,7 @@ static void bio_kmalloc_destructor(struct bio *bio)
  *   %__GFP_WAIT, the allocation is guaranteed to succeed.
  *
  **/
-struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs)
+struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned int nr_iovecs)
 {
 	struct bio *bio;
 
@@ -696,7 +696,8 @@ static void bio_free_map_data(struct bio_map_data *bmd)
 	kfree(bmd);
 }
 
-static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count,
+static struct bio_map_data *bio_alloc_map_data(int nr_segs,
+					       unsigned int iov_count,
 					       gfp_t gfp_mask)
 {
 	struct bio_map_data *bmd;
diff --git a/include/linux/bio.h b/include/linux/bio.h
index d2a3cc23d828..847994aef0e9 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -211,8 +211,8 @@ extern void bio_pair_release(struct bio_pair *dbio);
 extern struct bio_set *bioset_create(unsigned int, unsigned int);
 extern void bioset_free(struct bio_set *);
 
-extern struct bio *bio_alloc(gfp_t, int);
-extern struct bio *bio_kmalloc(gfp_t, int);
+extern struct bio *bio_alloc(gfp_t, unsigned int);
+extern struct bio *bio_kmalloc(gfp_t, unsigned int);
 extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *);
 extern void bio_put(struct bio *);
 extern void bio_free(struct bio *, struct bio_set *);
-- 
GitLab


From a2c2a0e668e26e020731ce2a40e6474d1d37210a Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 16 Nov 2011 09:21:50 +0100
Subject: [PATCH 0623/1594] paride: fix potential information leak in pg_read()

Smatch has a new check for Rosenberg type information leaks where structs
are copied to the user with uninitialized stack data in them.  i In this
case, the pg_write_hdr struct has a hole in it.

struct pg_write_hdr {
        char                       magic;                /*     0     1 */
        char                       func;                 /*     1     1 */
        /* XXX 2 bytes hole, try to pack */
        int                        dlen;                 /*     4     4 */

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Tim Waugh <tim@cyberelk.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/paride/pg.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 6b9a2000d56a..a79fb4f7ff62 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -630,6 +630,7 @@ static ssize_t pg_read(struct file *filp, char __user *buf, size_t count, loff_t
 		if (dev->status & 0x10)
 			return -ETIME;
 
+	memset(&hdr, 0, sizeof(hdr));
 	hdr.magic = PG_MAGIC;
 	hdr.dlen = dev->dlen;
 	copy = 0;
-- 
GitLab


From 019ceb7d5d252ce71001a157cf29f4ac28501b72 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Wed, 16 Nov 2011 09:21:50 +0100
Subject: [PATCH 0624/1594] block: add missed trace_block_plug

After flush plug list, the list has no request, so we need to add a
trace_block_plug().

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Reviewed-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/blk-core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 6403c12f8aad..ea70e6c80cd3 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1387,8 +1387,10 @@ get_rq:
 				if (__rq->q != q)
 					plug->should_sort = 1;
 			}
-			if (request_count >= BLK_MAX_REQUEST_COUNT)
+			if (request_count >= BLK_MAX_REQUEST_COUNT) {
 				blk_flush_plug_list(plug, false);
+				trace_block_plug(q);
+			}
 		}
 		list_add_tail(&req->queuelist, &plug->list);
 		drive_stat_acct(req, 1);
-- 
GitLab


From b95d68b8179764e29558b75cec35ef4a6a98925b Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Wed, 16 Nov 2011 16:29:46 +0800
Subject: [PATCH 0625/1594] ALSA: hda - fix ELD memory leak

memset(eld) clears eld->proc_entry which will leak the struct
snd_info_entry when unloading module.

Fix it by
- memset only the fields before eld->eld_buffer
- set eld->eld_valid to true _after_ all eld fields have been filled

Cc: <stable@kernel.org>
Cc: Pierre-louis Bossart <pierre-louis.bossart@intel.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_eld.c    |  5 +----
 sound/pci/hda/hda_local.h  |  3 +++
 sound/pci/hda/patch_hdmi.c | 11 +++++------
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 1c8ddf547a2d..a065d6d2d6ff 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -297,10 +297,10 @@ static int hdmi_update_eld(struct hdmi_eld *e,
 					buf + ELD_FIXED_BYTES + mnl + 3 * i);
 	}
 
+	e->eld_valid = true;
 	return 0;
 
 out_fail:
-	e->eld_ver = 0;
 	return -EINVAL;
 }
 
@@ -323,9 +323,6 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld,
 	 * ELD is valid, actual eld_size is assigned in hdmi_update_eld()
 	 */
 
-	if (!eld->eld_valid)
-		return -ENOENT;
-
 	size = snd_hdmi_get_eld_size(codec, nid);
 	if (size == 0) {
 		/* wfg: workaround for ASUS P5E-VM HDMI board */
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 6579e0f2bb57..618ddad17236 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -653,6 +653,9 @@ struct hdmi_eld {
 	int	spk_alloc;
 	int	sad_count;
 	struct cea_sad sad[ELD_MAX_SAD];
+	/*
+	 * all fields above eld_buffer will be cleared before updating ELD
+	 */
 	char    eld_buffer[ELD_MAX_SIZE];
 #ifdef CONFIG_PROC_FS
 	struct snd_info_entry *proc_entry;
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 81b7b791b3c3..aebfee50bd88 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -980,20 +980,19 @@ static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
 	 * the unsolicited response to avoid custom WARs.
 	 */
 	int present = snd_hda_pin_sense(codec, pin_nid);
+	bool eld_valid = false;
 
-	memset(eld, 0, sizeof(*eld));
+	memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
 
 	eld->monitor_present	= !!(present & AC_PINSENSE_PRESENCE);
 	if (eld->monitor_present)
-		eld->eld_valid	= !!(present & AC_PINSENSE_ELDV);
-	else
-		eld->eld_valid	= 0;
+		eld_valid	= !!(present & AC_PINSENSE_ELDV);
 
 	printk(KERN_INFO
 		"HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
-		codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
+		codec->addr, pin_nid, eld->monitor_present, eld_valid);
 
-	if (eld->eld_valid)
+	if (eld_valid)
 		if (!snd_hdmi_get_eld(eld, codec, pin_nid))
 			snd_hdmi_show_eld(eld);
 
-- 
GitLab


From 744626dada90cb1231a65b08874aa7a9f11c2ea8 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Wed, 16 Nov 2011 16:29:47 +0800
Subject: [PATCH 0626/1594] ALSA: hda - delayed ELD repoll

The Intel HDMI chips (ironlake at least) are found to have ~250ms delay
between the ELD_Valid=1 hotplug event is send and the ELD buffer becomes
actually readable. During the time the ELD buffer is mysteriously all 0.

Fix it by scheduling a delayed work to re-read ELD buffer after 300ms.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_hdmi.c | 36 +++++++++++++++++++++++++++++-------
 1 file changed, 29 insertions(+), 7 deletions(-)

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index aebfee50bd88..a76139b60154 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -65,7 +65,10 @@ struct hdmi_spec_per_pin {
 	hda_nid_t pin_nid;
 	int num_mux_nids;
 	hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
+
+	struct hda_codec *codec;
 	struct hdmi_eld sink_eld;
+	struct delayed_work work;
 };
 
 struct hdmi_spec {
@@ -745,8 +748,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
  * Unsolicited events
  */
 
-static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
-			       struct hdmi_eld *eld);
+static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry);
 
 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 {
@@ -766,7 +768,7 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 		return;
 	eld = &spec->pins[pin_idx].sink_eld;
 
-	hdmi_present_sense(codec, pin_nid, eld);
+	hdmi_present_sense(&spec->pins[pin_idx], true);
 
 	/*
 	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
@@ -968,9 +970,11 @@ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
 	return 0;
 }
 
-static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
-			       struct hdmi_eld *eld)
+static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry)
 {
+	struct hda_codec *codec = per_pin->codec;
+	struct hdmi_eld *eld = &per_pin->sink_eld;
+	hda_nid_t pin_nid = per_pin->pin_nid;
 	/*
 	 * Always execute a GetPinSense verb here, even when called from
 	 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
@@ -992,13 +996,27 @@ static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
 		"HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 		codec->addr, pin_nid, eld->monitor_present, eld_valid);
 
-	if (eld_valid)
+	if (eld_valid) {
 		if (!snd_hdmi_get_eld(eld, codec, pin_nid))
 			snd_hdmi_show_eld(eld);
+		else if (retry) {
+			queue_delayed_work(codec->bus->workq,
+					   &per_pin->work,
+					   msecs_to_jiffies(300));
+		}
+	}
 
 	snd_hda_input_jack_report(codec, pin_nid);
 }
 
+static void hdmi_repoll_eld(struct work_struct *work)
+{
+	struct hdmi_spec_per_pin *per_pin =
+	container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
+
+	hdmi_present_sense(per_pin, false);
+}
+
 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 {
 	struct hdmi_spec *spec = codec->spec;
@@ -1227,7 +1245,7 @@ static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
 	if (err < 0)
 		return err;
 
-	hdmi_present_sense(codec, per_pin->pin_nid, &per_pin->sink_eld);
+	hdmi_present_sense(per_pin, false);
 	return 0;
 }
 
@@ -1278,6 +1296,8 @@ static int generic_hdmi_init(struct hda_codec *codec)
 				    AC_VERB_SET_UNSOLICITED_ENABLE,
 				    AC_USRSP_EN | pin_nid);
 
+		per_pin->codec = codec;
+		INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
 		snd_hda_eld_proc_new(codec, eld, pin_idx);
 	}
 	return 0;
@@ -1292,10 +1312,12 @@ static void generic_hdmi_free(struct hda_codec *codec)
 		struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 		struct hdmi_eld *eld = &per_pin->sink_eld;
 
+		cancel_delayed_work(&per_pin->work);
 		snd_hda_eld_proc_free(codec, eld);
 	}
 	snd_hda_input_jack_free(codec);
 
+	flush_workqueue(codec->bus->workq);
 	kfree(spec);
 }
 
-- 
GitLab


From 2d1b439bdb3cee0ae5ccbd7f65e1e5852b1c2718 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Wed, 16 Nov 2011 16:29:48 +0800
Subject: [PATCH 0627/1594] ALSA: hda - move eld->spk_alloc fixup to
 hdmi_update_eld()

It looks more natural and saves two lines of code.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_eld.c    |  8 ++++++++
 sound/pci/hda/patch_hdmi.c | 10 ----------
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index a065d6d2d6ff..7ae7578bdcc0 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -297,6 +297,14 @@ static int hdmi_update_eld(struct hdmi_eld *e,
 					buf + ELD_FIXED_BYTES + mnl + 3 * i);
 	}
 
+	/*
+	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
+	 * in console or for audio devices. Assume the highest speakers
+	 * configuration, to _not_ prohibit multi-channel audio playback.
+	 */
+	if (!e->spk_alloc)
+		e->spk_alloc = 0xffff;
+
 	e->eld_valid = true;
 	return 0;
 
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index a76139b60154..9850c5b481ea 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -757,7 +757,6 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 	int pd = !!(res & AC_UNSOL_RES_PD);
 	int eldv = !!(res & AC_UNSOL_RES_ELDV);
 	int pin_idx;
-	struct hdmi_eld *eld;
 
 	printk(KERN_INFO
 		"HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
@@ -766,17 +765,8 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 	pin_idx = pin_nid_to_pin_index(spec, pin_nid);
 	if (pin_idx < 0)
 		return;
-	eld = &spec->pins[pin_idx].sink_eld;
 
 	hdmi_present_sense(&spec->pins[pin_idx], true);
-
-	/*
-	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
-	 * in console or for audio devices. Assume the highest speakers
-	 * configuration, to _not_ prohibit multi-channel audio playback.
-	 */
-	if (!eld->spk_alloc)
-		eld->spk_alloc = 0xffff;
 }
 
 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
-- 
GitLab


From 25d7d59d1f7321be85bda175c9a1bb85ca1b5881 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 16 Nov 2011 10:52:01 +0100
Subject: [PATCH 0628/1594] ALSA: hda - Update URLs in document

Some stuff was moved from kernel.org to other places.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 Documentation/sound/alsa/HD-Audio.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt
index 03e2771ddeef..91fee3b45fb8 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -579,7 +579,7 @@ Development Tree
 ~~~~~~~~~~~~~~~~
 The latest development codes for HD-audio are found on sound git tree:
 
-- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
+- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
 
 The master branch or for-next branches can be used as the main
 development branches in general while the HD-audio specific patches
@@ -594,7 +594,7 @@ is, installed via the usual spells: configure, make and make
 install(-modules).  See INSTALL in the package.  The snapshot tarballs
 are found at:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/
+- ftp://ftp.suse.com/pub/people/tiwai/snapshot/
 
 
 Sending a Bug Report
@@ -696,7 +696,7 @@ via hda-verb won't change the mixer value.
 
 The hda-verb program is found in the ftp directory:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/
+- ftp://ftp.suse.com/pub/people/tiwai/misc/
 
 Also a git repository is available:
 
@@ -764,7 +764,7 @@ operation, the jack plugging simulation, etc.
 
 The package is found in:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/
+- ftp://ftp.suse.com/pub/people/tiwai/misc/
 
 A git repository is available:
 
-- 
GitLab


From ec84d529b689f4ae31813cf74673f3271c36c83a Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Mon, 14 Nov 2011 16:12:52 +0000
Subject: [PATCH 0629/1594] ARM: PMU: re-export release_pmu symbol to modules

Commit b0e89590 ("ARM: PMU: move CPU PMU platform device handling and
init into perf") inadvertently removed the EXPORT_SYMBOL_GPL on
release_pmu, so out-of-tree modules can no longer play nice with perf,
even if they tried in the first place.

This patch re-exports the symbol.

Reported-by: Jon Medhurst (Tixy) <jon.medhurst@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm/kernel/pmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c
index 2c3407ee8576..2334bf8a650a 100644
--- a/arch/arm/kernel/pmu.c
+++ b/arch/arm/kernel/pmu.c
@@ -33,3 +33,4 @@ release_pmu(enum arm_pmu_type type)
 {
 	clear_bit_unlock(type, pmu_lock);
 }
+EXPORT_SYMBOL_GPL(release_pmu);
-- 
GitLab


From 14e25c5eeb90d4f61cc94933307d04a19738ad2f Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Wed, 16 Nov 2011 10:05:18 +0000
Subject: [PATCH 0630/1594] ARM: PMU: remove pmu_init declaration

pmu_init no longer exists, so don't declare it in asm/pmu.h.

Reported-by: Pawel Moll <Pawel.Moll@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm/include/asm/pmu.h | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index 71d99b83cdb9..0bda22c094a6 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -55,16 +55,6 @@ reserve_pmu(enum arm_pmu_type type);
 extern void
 release_pmu(enum arm_pmu_type type);
 
-/**
- * init_pmu() - Initialise the PMU.
- *
- * Initialise the system ready for PMU enabling. This should typically set the
- * IRQ affinity and nothing else. The users (oprofile/perf events etc) will do
- * the actual hardware initialisation.
- */
-extern int
-init_pmu(enum arm_pmu_type type);
-
 #else /* CONFIG_CPU_HAS_PMU */
 
 #include <linux/err.h>
-- 
GitLab


From bf14fc54d6386ccd1ef3f1b0ff69e7a765cf8ded Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Mon, 6 Jun 2011 12:35:46 +0100
Subject: [PATCH 0631/1594] ARM: highbank: convert logical CPU numbers to
 physical numbers

This patch uses the new cpu_logical_map() macro for converting logical
CPU numbers into physical numbers when releasing CPUs during the SMP
boot and CPU hotplug paths.

Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm/mach-highbank/highbank.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index b82dcf08e747..88660d500f5b 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -22,6 +22,7 @@
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/of_address.h>
+#include <linux/smp.h>
 
 #include <asm/cacheflush.h>
 #include <asm/unified.h>
@@ -72,6 +73,9 @@ static void __init highbank_map_io(void)
 
 void highbank_set_cpu_jump(int cpu, void *jump_addr)
 {
+#ifdef CONFIG_SMP
+	cpu = cpu_logical_map(cpu);
+#endif
 	writel(BSYM(virt_to_phys(jump_addr)), HB_JUMP_TABLE_VIRT(cpu));
 	__cpuc_flush_dcache_area(HB_JUMP_TABLE_VIRT(cpu), 16);
 	outer_clean_range(HB_JUMP_TABLE_PHYS(cpu),
-- 
GitLab


From eaa142ca3dee1478aca1a645bb0e5a249a33241a Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Tue, 9 Aug 2011 12:24:07 +0100
Subject: [PATCH 0632/1594] ARM: mach-imx: convert logical CPU numbers to
 physical numbers

This patch uses the new cpu_logical_map() macro for converting logical
CPU numbers into physical numbers when releasing CPUs during the SMP
boot and CPU hotplug paths.

Cc: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm/mach-imx/src.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c
index 36cacbd0dcc2..a8e33681b732 100644
--- a/arch/arm/mach-imx/src.c
+++ b/arch/arm/mach-imx/src.c
@@ -14,6 +14,7 @@
 #include <linux/io.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/smp.h>
 #include <asm/unified.h>
 
 #define SRC_SCR				0x000
@@ -23,10 +24,15 @@
 
 static void __iomem *src_base;
 
+#ifndef CONFIG_SMP
+#define cpu_logical_map(cpu)		0
+#endif
+
 void imx_enable_cpu(int cpu, bool enable)
 {
 	u32 mask, val;
 
+	cpu = cpu_logical_map(cpu);
 	mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1);
 	val = readl_relaxed(src_base + SRC_SCR);
 	val = enable ? val | mask : val & ~mask;
@@ -35,6 +41,7 @@ void imx_enable_cpu(int cpu, bool enable)
 
 void imx_set_cpu_jump(int cpu, void *jump_addr)
 {
+	cpu = cpu_logical_map(cpu);
 	writel_relaxed(BSYM(virt_to_phys(jump_addr)),
 		       src_base + SRC_GPR1 + cpu * 8);
 }
-- 
GitLab


From 499d05ecf990a7a7bbf9e0a273f9969f8ec69efc Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Wed, 16 Nov 2011 19:34:48 +0800
Subject: [PATCH 0633/1594] mm: Make task in balance_dirty_pages() killable

There is no reason why task in balance_dirty_pages() shouldn't be killable
and it helps in recovering from some error conditions (like when filesystem
goes in error state and cannot accept writeback anymore but we still want to
kill processes using it to be able to unmount it).

There will be follow up patches to further abort the generic_perform_write()
and other filesystem write loops, to avoid large write + SIGKILL combination
exceeding the dirty limit and possibly strange OOM.

Reported-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Tested-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Reviewed-by: Neil Brown <neilb@suse.de>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 mm/page-writeback.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index a3278f005230..79c34419fadd 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1133,7 +1133,7 @@ pause:
 					  pages_dirtied,
 					  pause,
 					  start_time);
-		__set_current_state(TASK_UNINTERRUPTIBLE);
+		__set_current_state(TASK_KILLABLE);
 		io_schedule_timeout(pause);
 
 		dirty_thresh = hard_dirty_limit(dirty_thresh);
@@ -1145,6 +1145,9 @@ pause:
 		 */
 		if (nr_dirty < dirty_thresh)
 			break;
+
+		if (fatal_signal_pending(current))
+			break;
 	}
 
 	if (!dirty_exceeded && bdi->dirty_exceeded)
-- 
GitLab


From 0e2a5f10fb550835e199a3b56a80ed88232188e9 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 4 Nov 2011 08:16:58 -0200
Subject: [PATCH 0634/1594] perf python: Fix undefined symbol problem

Recently we made perf_evsel__init call hists__init, which broke the perf
python binding:

[root@emilia linux]# ./tools/perf/python/twatch.py
Traceback (most recent call last):
  File "./tools/perf/python/twatch.py", line 16, in <module>
    import perf
ImportError: /home/acme/git/build/perf/python/perf.so: undefined symbol: hists__init

Fix it by moving the hists__init function to its only caller, evsel.c.

This way we avoid dragging in other parts of tools/perf/util/ to the
perf python binding.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-5nffmdt5mu6ozxgj54oi4qon@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/evsel.c | 10 ++++++++++
 tools/perf/util/hist.c  | 10 ----------
 tools/perf/util/hist.h  |  2 --
 3 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index e42626422587..d7915d4e77cb 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -34,6 +34,16 @@ int __perf_evsel__sample_size(u64 sample_type)
 	return size;
 }
 
+static void hists__init(struct hists *hists)
+{
+	memset(hists, 0, sizeof(*hists));
+	hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
+	hists->entries_in = &hists->entries_in_array[0];
+	hists->entries_collapsed = RB_ROOT;
+	hists->entries = RB_ROOT;
+	pthread_mutex_init(&hists->lock, NULL);
+}
+
 void perf_evsel__init(struct perf_evsel *evsel,
 		      struct perf_event_attr *attr, int idx)
 {
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index a36a3fa81ffb..abef2703cd24 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1211,13 +1211,3 @@ size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
 
 	return ret;
 }
-
-void hists__init(struct hists *hists)
-{
-	memset(hists, 0, sizeof(*hists));
-	hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
-	hists->entries_in = &hists->entries_in_array[0];
-	hists->entries_collapsed = RB_ROOT;
-	hists->entries = RB_ROOT;
-	pthread_mutex_init(&hists->lock, NULL);
-}
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index c86c1d27bd1e..89289c8e935e 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -63,8 +63,6 @@ struct hists {
 	struct callchain_cursor	callchain_cursor;
 };
 
-void hists__init(struct hists *hists);
-
 struct hist_entry *__hists__add_entry(struct hists *self,
 				      struct addr_location *al,
 				      struct symbol *parent, u64 period);
-- 
GitLab


From 47fbe53bef3b219a365ebf3eca949d6cd4c5291c Mon Sep 17 00:00:00 2001
From: David Ahern <dsahern@gmail.com>
Date: Sun, 13 Nov 2011 10:45:27 -0700
Subject: [PATCH 0635/1594] perf session: Fix crash with invalid CPU list

commit 5d67be9 added the option to specify a range of CPUs of interest,
but does not catch an invalid CPU list:

$ perf script -c foo
Segmentation fault (core dumped)

Cc: Anton Blanchard <anton@samba.org>
Link: http://lkml.kernel.org/r/1321206327-5881-1-git-send-email-dsahern@gmail.com
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/session.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 85c1e6b76f0a..0f4555ce9063 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1333,6 +1333,10 @@ int perf_session__cpu_bitmap(struct perf_session *session,
 	}
 
 	map = cpu_map__new(cpu_list);
+	if (map == NULL) {
+		pr_err("Invalid cpu_list\n");
+		return -1;
+	}
 
 	for (i = 0; i < map->nr; i++) {
 		int cpu = map->map[i];
-- 
GitLab


From 12b248eba4fd189216cad14b7dd1cfdacdf90cdf Mon Sep 17 00:00:00 2001
From: Kukjin Kim <kgene.kim@samsung.com>
Date: Thu, 17 Nov 2011 01:13:34 +0900
Subject: [PATCH 0636/1594] ARM: S5P: Fix export.h inclusion

Commit 32aaeffbd4a7 ("Merge branch 'modsplit-Oct31 2011'...")
breaks build like following and this fixes it to add inclusion
<linux/export.h>.

arch/arm/plat-s5p/sysmmu.c:302: error: 'THIS_MODULE' undeclared here (not in a function)

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/plat-s5p/sysmmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/plat-s5p/sysmmu.c b/arch/arm/plat-s5p/sysmmu.c
index e1cbc728c775..c8bec9c7655d 100644
--- a/arch/arm/plat-s5p/sysmmu.c
+++ b/arch/arm/plat-s5p/sysmmu.c
@@ -11,6 +11,7 @@
 #include <linux/io.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/export.h>
 
 #include <asm/pgtable.h>
 
-- 
GitLab


From a69e4c28b2bddc21b5752b1da8f43ab0a817305c Mon Sep 17 00:00:00 2001
From: Kukjin Kim <kgene.kim@samsung.com>
Date: Thu, 17 Nov 2011 01:14:38 +0900
Subject: [PATCH 0637/1594] ARM: SAMSUNG: inclusion export.h instead of
 module.h

Only for THIS_MODULE, the <linux/export.h> file should be
added instead of <linux/module.h>.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/mach-s3c64xx/mach-crag6410-module.c | 2 +-
 arch/arm/plat-s3c24xx/cpu-freq-debugfs.c     | 2 +-
 arch/arm/plat-samsung/pd.c                   | 2 +-
 arch/arm/plat-samsung/pwm.c                  | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
index 66668565ee75..f208154b1382 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
@@ -8,7 +8,7 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/i2c.h>
 
diff --git a/arch/arm/plat-s3c24xx/cpu-freq-debugfs.c b/arch/arm/plat-s3c24xx/cpu-freq-debugfs.c
index a9276667c2fb..c7adad0e8de0 100644
--- a/arch/arm/plat-s3c24xx/cpu-freq-debugfs.c
+++ b/arch/arm/plat-s3c24xx/cpu-freq-debugfs.c
@@ -12,7 +12,7 @@
 */
 
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/cpufreq.h>
diff --git a/arch/arm/plat-samsung/pd.c b/arch/arm/plat-samsung/pd.c
index efe1d564473e..312b510d86b7 100644
--- a/arch/arm/plat-samsung/pd.c
+++ b/arch/arm/plat-samsung/pd.c
@@ -11,7 +11,7 @@
 */
 
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/err.h>
 #include <linux/pm_runtime.h>
diff --git a/arch/arm/plat-samsung/pwm.c b/arch/arm/plat-samsung/pwm.c
index dc1185dcf80d..c559d8438c70 100644
--- a/arch/arm/plat-samsung/pwm.c
+++ b/arch/arm/plat-samsung/pwm.c
@@ -11,7 +11,7 @@
  * the Free Software Foundation; either version 2 of the License.
 */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
-- 
GitLab


From dc2c83582eac2682808b80e9dce7d2cac2b20596 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 17 Nov 2011 01:17:18 +0900
Subject: [PATCH 0638/1594] ARM: SAMSUNG: include linux/types.h at gpio-cfg.h

Include linux/types.h to fix below build error:

  CC      drivers/power/max8903_charger.o
In file included from arch/arm/plat-samsung/include/plat/gpio-fns.h:27,
                 from arch/arm/mach-s3c2410/include/mach/gpio-fns.h:1,
                 from arch/arm/mach-s3c2410/include/mach/gpio.h:27,
                 from /home/axel/repos/git/linux-2.6/arch/arm/include/asm/gpio.h:5,
                 from include/linux/gpio.h:30,
                 from drivers/power/max8903_charger.c:23:
arch/arm/plat-samsung/include/plat/gpio-cfg.h:27: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:28: error: expected '=', ',', ';', 'asm' or '__attribute__' before 's5p_gpio_drvstr_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:55: error: expected specifier-qualifier-list before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:146: error: expected declaration specifiers or '...' before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:154: error: expected '=', ',', ';', 'asm' or '__attribute__' before 's3c_gpio_getpull'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:173: error: expected declaration specifiers or '...' before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h: In function 's3c_gpio_cfgrange_nopull':
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: '__force' undeclared (first use in this function)
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: (Each undeclared identifier is reported only once
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: for each function it appears in.)
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: expected ')' before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: expected ')' before numeric constant
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: too many arguments to function 's3c_gpio_cfgall_range'
arch/arm/plat-samsung/include/plat/gpio-cfg.h: At top level:
arch/arm/plat-samsung/include/plat/gpio-cfg.h:197: error: expected '=', ',', ';', 'asm' or '__attribute__' before 's5p_gpio_get_drvstr'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:208: error: expected declaration specifiers or '...' before 's5p_gpio_drvstr_t'
make[2]: *** [drivers/power/max8903_charger.o] Error 1
make[1]: *** [drivers/power] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/plat-samsung/include/plat/gpio-cfg.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index d48245bb02b3..df8155b9d4d1 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -24,6 +24,8 @@
 #ifndef __PLAT_GPIO_CFG_H
 #define __PLAT_GPIO_CFG_H __FILE__
 
+#include<linux/types.h>
+
 typedef unsigned int __bitwise__ samsung_gpio_pull_t;
 typedef unsigned int __bitwise__ s5p_gpio_drvstr_t;
 
-- 
GitLab


From 05ee7964a470d29889ac48cc8274c1b5a1904a11 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 16 Nov 2011 18:05:11 +0100
Subject: [PATCH 0639/1594] ALSA: hda - Fix the connection selection of ADCs on
 Cirrus codecs

spec->cur_adc isn't set until cs_capture_pcm_prepare() is called although
the driver tries to select the connection at init time and at auto-mic
switch.  This results in the access to the widget NID 0, which is
obviously invalid, also a wrong capture source.

This patch fixes the issue by issuing the connect-select verb conditionally
at appropriate places.

Reported-and-tested-by: Dylan Reid <dgreid@chromium.org>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_cirrus.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 2a2d8645ba09..2fbab8e29576 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -237,6 +237,15 @@ static int cs_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
 	return snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
 }
 
+static void cs_update_input_select(struct hda_codec *codec)
+{
+	struct cs_spec *spec = codec->spec;
+	if (spec->cur_adc)
+		snd_hda_codec_write(codec, spec->cur_adc, 0,
+				    AC_VERB_SET_CONNECT_SEL,
+				    spec->adc_idx[spec->cur_input]);
+}
+
 /*
  * Analog capture
  */
@@ -250,6 +259,7 @@ static int cs_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
 	spec->cur_adc = spec->adc_nid[spec->cur_input];
 	spec->cur_adc_stream_tag = stream_tag;
 	spec->cur_adc_format = format;
+	cs_update_input_select(codec);
 	snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format);
 	return 0;
 }
@@ -689,10 +699,8 @@ static int change_cur_input(struct hda_codec *codec, unsigned int idx,
 					   spec->cur_adc_stream_tag, 0,
 					   spec->cur_adc_format);
 	}
-	snd_hda_codec_write(codec, spec->cur_adc, 0,
-			    AC_VERB_SET_CONNECT_SEL,
-			    spec->adc_idx[idx]);
 	spec->cur_input = idx;
+	cs_update_input_select(codec);
 	return 1;
 }
 
@@ -973,10 +981,7 @@ static void cs_automic(struct hda_codec *codec)
 		} else  {
 			spec->cur_input = spec->last_input;
 		}
-
-		snd_hda_codec_write_cache(codec, spec->cur_adc, 0,
-					AC_VERB_SET_CONNECT_SEL,
-					spec->adc_idx[spec->cur_input]);
+		cs_update_input_select(codec);
 	} else {
 		if (present)
 			change_cur_input(codec, spec->automic_idx, 0);
@@ -1073,9 +1078,7 @@ static void init_input(struct hda_codec *codec)
 			cs_automic(codec);
 		else  {
 			spec->cur_adc = spec->adc_nid[spec->cur_input];
-			snd_hda_codec_write(codec, spec->cur_adc, 0,
-					AC_VERB_SET_CONNECT_SEL,
-					spec->adc_idx[spec->cur_input]);
+			cs_update_input_select(codec);
 		}
 	} else {
 		change_cur_input(codec, spec->cur_input, 1);
-- 
GitLab


From cd12909cb576d37311fe35868780e82d5007d0c8 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@citrix.com>
Date: Thu, 29 Sep 2011 16:53:32 +0100
Subject: [PATCH 0640/1594] xen: map foreign pages for shared rings by updating
 the PTEs directly

When mapping a foreign page with xenbus_map_ring_valloc() with the
GNTTABOP_map_grant_ref hypercall, set the GNTMAP_contains_pte flag and
pass a pointer to the PTE (in init_mm).

After the page is mapped, the usual fault mechanism can be used to
update additional MMs.  This allows the vmalloc_sync_all() to be
removed from alloc_vm_area().

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
[v1: Squashed fix by Michal for no-mmu case]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
---
 arch/x86/xen/grant-table.c         |  2 +-
 drivers/xen/xenbus/xenbus_client.c | 11 ++++++++---
 include/linux/vmalloc.h            |  2 +-
 mm/nommu.c                         |  2 +-
 mm/vmalloc.c                       | 27 +++++++++++++--------------
 5 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c
index 6bbfd7ac5e81..5a40d24ba331 100644
--- a/arch/x86/xen/grant-table.c
+++ b/arch/x86/xen/grant-table.c
@@ -71,7 +71,7 @@ int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes,
 
 	if (shared == NULL) {
 		struct vm_struct *area =
-			alloc_vm_area(PAGE_SIZE * max_nr_gframes);
+			alloc_vm_area(PAGE_SIZE * max_nr_gframes, NULL);
 		BUG_ON(area == NULL);
 		shared = area->addr;
 		*__shared = shared;
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 81c3ce6b8bbe..1906125eab49 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -35,6 +35,7 @@
 #include <linux/vmalloc.h>
 #include <linux/export.h>
 #include <asm/xen/hypervisor.h>
+#include <asm/xen/page.h>
 #include <xen/interface/xen.h>
 #include <xen/interface/event_channel.h>
 #include <xen/events.h>
@@ -436,19 +437,20 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn);
 int xenbus_map_ring_valloc(struct xenbus_device *dev, int gnt_ref, void **vaddr)
 {
 	struct gnttab_map_grant_ref op = {
-		.flags = GNTMAP_host_map,
+		.flags = GNTMAP_host_map | GNTMAP_contains_pte,
 		.ref   = gnt_ref,
 		.dom   = dev->otherend_id,
 	};
 	struct vm_struct *area;
+	pte_t *pte;
 
 	*vaddr = NULL;
 
-	area = alloc_vm_area(PAGE_SIZE);
+	area = alloc_vm_area(PAGE_SIZE, &pte);
 	if (!area)
 		return -ENOMEM;
 
-	op.host_addr = (unsigned long)area->addr;
+	op.host_addr = arbitrary_virt_to_machine(pte).maddr;
 
 	if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1))
 		BUG();
@@ -527,6 +529,7 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr)
 	struct gnttab_unmap_grant_ref op = {
 		.host_addr = (unsigned long)vaddr,
 	};
+	unsigned int level;
 
 	/* It'd be nice if linux/vmalloc.h provided a find_vm_area(void *addr)
 	 * method so that we don't have to muck with vmalloc internals here.
@@ -548,6 +551,8 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr)
 	}
 
 	op.handle = (grant_handle_t)area->phys_addr;
+	op.host_addr = arbitrary_virt_to_machine(
+		lookup_address((unsigned long)vaddr, &level)).maddr;
 
 	if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1))
 		BUG();
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 687fb11e2010..4bde182fcf93 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -119,7 +119,7 @@ unmap_kernel_range(unsigned long addr, unsigned long size)
 #endif
 
 /* Allocate/destroy a 'vmalloc' VM area. */
-extern struct vm_struct *alloc_vm_area(size_t size);
+extern struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes);
 extern void free_vm_area(struct vm_struct *area);
 
 /* for /dev/kmem */
diff --git a/mm/nommu.c b/mm/nommu.c
index 73419c55eda6..b982290fd962 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -454,7 +454,7 @@ void  __attribute__((weak)) vmalloc_sync_all(void)
  *	between processes, it syncs the pagetable across all
  *	processes.
  */
-struct vm_struct *alloc_vm_area(size_t size)
+struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes)
 {
 	BUG();
 	return NULL;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index b669aa6f6caf..3231bf332878 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2141,23 +2141,30 @@ void  __attribute__((weak)) vmalloc_sync_all(void)
 
 static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data)
 {
-	/* apply_to_page_range() does all the hard work. */
+	pte_t ***p = data;
+
+	if (p) {
+		*(*p) = pte;
+		(*p)++;
+	}
 	return 0;
 }
 
 /**
  *	alloc_vm_area - allocate a range of kernel address space
  *	@size:		size of the area
+ *	@ptes:		returns the PTEs for the address space
  *
  *	Returns:	NULL on failure, vm_struct on success
  *
  *	This function reserves a range of kernel address space, and
  *	allocates pagetables to map that range.  No actual mappings
- *	are created.  If the kernel address space is not shared
- *	between processes, it syncs the pagetable across all
- *	processes.
+ *	are created.
+ *
+ *	If @ptes is non-NULL, pointers to the PTEs (in init_mm)
+ *	allocated for the VM area are returned.
  */
-struct vm_struct *alloc_vm_area(size_t size)
+struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes)
 {
 	struct vm_struct *area;
 
@@ -2171,19 +2178,11 @@ struct vm_struct *alloc_vm_area(size_t size)
 	 * of kernel virtual address space and mapped into init_mm.
 	 */
 	if (apply_to_page_range(&init_mm, (unsigned long)area->addr,
-				area->size, f, NULL)) {
+				size, f, ptes ? &ptes : NULL)) {
 		free_vm_area(area);
 		return NULL;
 	}
 
-	/*
-	 * If the allocated address space is passed to a hypercall
-	 * before being used then we cannot rely on a page fault to
-	 * trigger an update of the page tables.  So sync all the page
-	 * tables here.
-	 */
-	vmalloc_sync_all();
-
 	return area;
 }
 EXPORT_SYMBOL_GPL(alloc_vm_area);
-- 
GitLab


From 5f76d7078ce784916d55fc4e1bb0a42985f085a6 Mon Sep 17 00:00:00 2001
From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Date: Wed, 19 Oct 2011 18:05:27 -0400
Subject: [PATCH 0641/1594] xen: Remove hanging references to
 CONFIG_XEN_PLATFORM_PCI

In 5fbdc10395cd500d6ff844825a918c4e6f38de37 the XEN_PLATFORM_PCI config
option was removed, but references in header files remained. Clean up
those references.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 include/xen/platform_pci.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/include/xen/platform_pci.h b/include/xen/platform_pci.h
index a785a3b0c8c7..438c256c274b 100644
--- a/include/xen/platform_pci.h
+++ b/include/xen/platform_pci.h
@@ -29,8 +29,7 @@
 static inline int xen_must_unplug_nics(void) {
 #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \
 		defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \
-		(defined(CONFIG_XEN_PLATFORM_PCI) || \
-		 defined(CONFIG_XEN_PLATFORM_PCI_MODULE))
+		defined(CONFIG_XEN_PVHVM)
         return 1;
 #else
         return 0;
@@ -40,8 +39,7 @@ static inline int xen_must_unplug_nics(void) {
 static inline int xen_must_unplug_disks(void) {
 #if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \
 		defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \
-		(defined(CONFIG_XEN_PLATFORM_PCI) || \
-		 defined(CONFIG_XEN_PLATFORM_PCI_MODULE))
+		defined(CONFIG_XEN_PVHVM)
         return 1;
 #else
         return 0;
-- 
GitLab


From 72e9cf2ab12ef3e050577ffebdb0c88a28df821d Mon Sep 17 00:00:00 2001
From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Date: Wed, 19 Oct 2011 17:59:37 -0400
Subject: [PATCH 0642/1594] xen/balloon: Avoid OOM when requesting highmem

If highmem pages are requested from the balloon on a system without
highmem, the implementation of alloc_xenballooned_pages will allocate
all available memory trying to find highmem pages to return. Allow
low memory to be returned when highmem pages are requested to avoid
this loop.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 drivers/xen/balloon.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index a767884a6c7a..31ab82fda38a 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -501,7 +501,7 @@ EXPORT_SYMBOL_GPL(balloon_set_new_target);
  * alloc_xenballooned_pages - get pages that have been ballooned out
  * @nr_pages: Number of pages to get
  * @pages: pages returned
- * @highmem: highmem or lowmem pages
+ * @highmem: allow highmem pages
  * @return 0 on success, error otherwise
  */
 int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem)
@@ -511,7 +511,7 @@ int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem)
 	mutex_lock(&balloon_mutex);
 	while (pgno < nr_pages) {
 		page = balloon_retrieve(highmem);
-		if (page && PageHighMem(page) == highmem) {
+		if (page && (highmem || !PageHighMem(page))) {
 			pages[pgno++] = page;
 		} else {
 			enum bp_state st;
-- 
GitLab


From 90d4f5534d14815bd94c10e8ceccc57287657ecc Mon Sep 17 00:00:00 2001
From: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Date: Thu, 27 Oct 2011 22:28:59 -0700
Subject: [PATCH 0643/1594] xen:pvhvm: enable PVHVM VCPU placement when using
 more than 32 CPUs.

PVHVM running with more than 32 vcpus and pv_irq/pv_time enabled
need VCPU placement to work, or else it will softlockup.

CC: stable@kernel.org
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 arch/x86/xen/enlighten.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index da8afd576a6b..1f928659c338 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1356,7 +1356,7 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self,
 	int cpu = (long)hcpu;
 	switch (action) {
 	case CPU_UP_PREPARE:
-		per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
+		xen_vcpu_setup(cpu);
 		if (xen_have_vector_callback)
 			xen_init_lock_cpu(cpu);
 		break;
@@ -1386,7 +1386,6 @@ static void __init xen_hvm_guest_init(void)
 	xen_hvm_smp_init();
 	register_cpu_notifier(&xen_hvm_cpu_notifier);
 	xen_unplug_emulated_devices();
-	have_vcpu_info_placement = 0;
 	x86_init.irqs.intr_init = xen_init_IRQ;
 	xen_hvm_init_time_ops();
 	xen_hvm_init_mmu_ops();
-- 
GitLab


From fc6e0c3b909157748ce1c0c0f2a9935a5ee3c812 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 4 Nov 2011 21:23:32 +0300
Subject: [PATCH 0644/1594] xen-gntdev: integer overflow in gntdev_alloc_map()

The multiplications here can overflow resulting in smaller buffer
sizes than expected.  "count" comes from a copy_from_user().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 drivers/xen/gntdev.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 39871326afa2..afca14d9042e 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -114,11 +114,11 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count)
 	if (NULL == add)
 		return NULL;
 
-	add->grants    = kzalloc(sizeof(add->grants[0])    * count, GFP_KERNEL);
-	add->map_ops   = kzalloc(sizeof(add->map_ops[0])   * count, GFP_KERNEL);
-	add->unmap_ops = kzalloc(sizeof(add->unmap_ops[0]) * count, GFP_KERNEL);
-	add->kmap_ops  = kzalloc(sizeof(add->kmap_ops[0])  * count, GFP_KERNEL);
-	add->pages     = kzalloc(sizeof(add->pages[0])     * count, GFP_KERNEL);
+	add->grants    = kcalloc(count, sizeof(add->grants[0]), GFP_KERNEL);
+	add->map_ops   = kcalloc(count, sizeof(add->map_ops[0]), GFP_KERNEL);
+	add->unmap_ops = kcalloc(count, sizeof(add->unmap_ops[0]), GFP_KERNEL);
+	add->kmap_ops  = kcalloc(count, sizeof(add->kmap_ops[0]), GFP_KERNEL);
+	add->pages     = kcalloc(count, sizeof(add->pages[0]), GFP_KERNEL);
 	if (NULL == add->grants    ||
 	    NULL == add->map_ops   ||
 	    NULL == add->unmap_ops ||
-- 
GitLab


From 21643e69a4c06f7ef155fbc70e3fba13fba4a756 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 4 Nov 2011 21:24:08 +0300
Subject: [PATCH 0645/1594] xen-gntalloc: integer overflow in
 gntalloc_ioctl_alloc()

On 32 bit systems a high value of op.count could lead to an integer
overflow in the kzalloc() and gref_ids would be smaller than
expected.  If the you triggered another integer overflow in
"if (gref_size + op.count > limit)" then you'd probably get memory
corruption inside add_grefs().

CC: stable@kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 drivers/xen/gntalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
index f6832f46aea4..23c60cf4313e 100644
--- a/drivers/xen/gntalloc.c
+++ b/drivers/xen/gntalloc.c
@@ -280,7 +280,7 @@ static long gntalloc_ioctl_alloc(struct gntalloc_file_private_data *priv,
 		goto out;
 	}
 
-	gref_ids = kzalloc(sizeof(gref_ids[0]) * op.count, GFP_TEMPORARY);
+	gref_ids = kcalloc(op.count, sizeof(gref_ids[0]), GFP_TEMPORARY);
 	if (!gref_ids) {
 		rc = -ENOMEM;
 		goto out;
-- 
GitLab


From 99cb2ddcc617f43917e94a4147aa3ccdb2bcd77e Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 4 Nov 2011 21:24:36 +0300
Subject: [PATCH 0646/1594] xen-gntalloc: signedness bug in add_grefs()

gref->gref_id is unsigned so the error handling didn't work.
gnttab_grant_foreign_access() returns an int type, so we can add a
cast here, and it doesn't cause any problems.
gnttab_grant_foreign_access() can return a variety of errors
including -ENOSPC, -ENOSYS and -ENOMEM.

CC: stable@kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 drivers/xen/gntalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
index 23c60cf4313e..e1c4c6e5b469 100644
--- a/drivers/xen/gntalloc.c
+++ b/drivers/xen/gntalloc.c
@@ -135,7 +135,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op,
 		/* Grant foreign access to the page. */
 		gref->gref_id = gnttab_grant_foreign_access(op->domid,
 			pfn_to_mfn(page_to_pfn(gref->page)), readonly);
-		if (gref->gref_id < 0) {
+		if ((int)gref->gref_id < 0) {
 			rc = gref->gref_id;
 			goto undo;
 		}
-- 
GitLab


From 4cecf6d401a01d054afc1e5f605bcbfe553cb9b9 Mon Sep 17 00:00:00 2001
From: Salman Qazi <sqazi@google.com>
Date: Tue, 15 Nov 2011 14:12:06 -0800
Subject: [PATCH 0647/1594] sched, x86: Avoid unnecessary overflow in
 sched_clock

(Added the missing signed-off-by line)

In hundreds of days, the __cycles_2_ns calculation in sched_clock
has an overflow.  cyc * per_cpu(cyc2ns, cpu) exceeds 64 bits, causing
the final value to become zero.  We can solve this without losing
any precision.

We can decompose TSC into quotient and remainder of division by the
scale factor, and then use this to convert TSC into nanoseconds.

Signed-off-by: Salman Qazi <sqazi@google.com>
Acked-by: John Stultz <johnstul@us.ibm.com>
Reviewed-by: Paul Turner <pjt@google.com>
Cc: stable@kernel.org
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111115221121.7262.88871.stgit@dungbeetle.mtv.corp.google.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/timer.h | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index fa7b9176b76c..431793e5d484 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -32,6 +32,22 @@ extern int no_timer_check;
  *  (mathieu.desnoyers@polymtl.ca)
  *
  *			-johnstul@us.ibm.com "math is hard, lets go shopping!"
+ *
+ * In:
+ *
+ * ns = cycles * cyc2ns_scale / SC
+ *
+ * Although we may still have enough bits to store the value of ns,
+ * in some cases, we may not have enough bits to store cycles * cyc2ns_scale,
+ * leading to an incorrect result.
+ *
+ * To avoid this, we can decompose 'cycles' into quotient and remainder
+ * of division by SC.  Then,
+ *
+ * ns = (quot * SC + rem) * cyc2ns_scale / SC
+ *    = quot * cyc2ns_scale + (rem * cyc2ns_scale) / SC
+ *
+ *			- sqazi@google.com
  */
 
 DECLARE_PER_CPU(unsigned long, cyc2ns);
@@ -41,9 +57,14 @@ DECLARE_PER_CPU(unsigned long long, cyc2ns_offset);
 
 static inline unsigned long long __cycles_2_ns(unsigned long long cyc)
 {
+	unsigned long long quot;
+	unsigned long long rem;
 	int cpu = smp_processor_id();
 	unsigned long long ns = per_cpu(cyc2ns_offset, cpu);
-	ns += cyc * per_cpu(cyc2ns, cpu) >> CYC2NS_SCALE_FACTOR;
+	quot = (cyc >> CYC2NS_SCALE_FACTOR);
+	rem = cyc & ((1ULL << CYC2NS_SCALE_FACTOR) - 1);
+	ns += quot * per_cpu(cyc2ns, cpu) +
+		((rem * per_cpu(cyc2ns, cpu)) >> CYC2NS_SCALE_FACTOR);
 	return ns;
 }
 
-- 
GitLab


From f4a0d5abef14562c37dee5a1d49180f494106230 Mon Sep 17 00:00:00 2001
From: Mimi Zohar <zohar@linux.vnet.ibm.com>
Date: Mon, 24 Oct 2011 08:17:42 -0400
Subject: [PATCH 0648/1594] encrypted-keys: fix error return code

Fix request_master_key() error return code.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
---
 security/keys/encrypted-keys/encrypted.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index dcc843cb0f80..41144f71d615 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -444,7 +444,7 @@ static struct key *request_master_key(struct encrypted_key_payload *epayload,
 		goto out;
 
 	if (IS_ERR(mkey)) {
-		int ret = PTR_ERR(epayload);
+		int ret = PTR_ERR(mkey);
 
 		if (ret == -ENOTSUPP)
 			pr_info("encrypted_key: key %s not supported",
-- 
GitLab


From 9c69898783a0121399ec078d40d4ccc00e3cb0df Mon Sep 17 00:00:00 2001
From: Mimi Zohar <zohar@linux.vnet.ibm.com>
Date: Sun, 16 Oct 2011 19:17:48 -0400
Subject: [PATCH 0649/1594] encrypted-keys: module build fixes

Encrypted keys are encrypted/decrypted using either a trusted or
user-defined key type, which is referred to as the 'master' key.
The master key may be of type trusted iff the trusted key is
builtin or both the trusted key and encrypted keys are built as
modules.  This patch resolves the build dependency problem.

- Use "masterkey-$(CONFIG_TRUSTED_KEYS)-$(CONFIG_ENCRYPTED_KEYS)" construct
to encapsulate the above logic. (Suggested by Dimtry Kasatkin.)
- Fixing the encrypted-keys Makefile, results in a module name change
from encrypted.ko to encrypted-keys.ko.
- Add module dependency for request_trusted_key() definition

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
---
 security/keys/encrypted-keys/Makefile    | 8 ++++++--
 security/keys/encrypted-keys/encrypted.h | 3 ++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/security/keys/encrypted-keys/Makefile b/security/keys/encrypted-keys/Makefile
index 6bc7a86d1027..d6f8433250a5 100644
--- a/security/keys/encrypted-keys/Makefile
+++ b/security/keys/encrypted-keys/Makefile
@@ -2,5 +2,9 @@
 # Makefile for encrypted keys
 #
 
-obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted.o ecryptfs_format.o
-obj-$(CONFIG_TRUSTED_KEYS) += masterkey_trusted.o
+obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted-keys.o
+
+encrypted-keys-y := encrypted.o ecryptfs_format.o
+masterkey-$(CONFIG_TRUSTED_KEYS) := masterkey_trusted.o
+masterkey-$(CONFIG_TRUSTED_KEYS)-$(CONFIG_ENCRYPTED_KEYS) := masterkey_trusted.o
+encrypted-keys-y += $(masterkey-y) $(masterkey-m-m)
diff --git a/security/keys/encrypted-keys/encrypted.h b/security/keys/encrypted-keys/encrypted.h
index b6ade8945250..8136a2d44c63 100644
--- a/security/keys/encrypted-keys/encrypted.h
+++ b/security/keys/encrypted-keys/encrypted.h
@@ -2,7 +2,8 @@
 #define __ENCRYPTED_KEY_H
 
 #define ENCRYPTED_DEBUG 0
-#ifdef CONFIG_TRUSTED_KEYS
+#if defined(CONFIG_TRUSTED_KEYS) || \
+  (defined(CONFIG_TRUSTED_KEYS_MODULE) && defined(CONFIG_ENCRYPTED_KEYS_MODULE))
 extern struct key *request_trusted_key(const char *trusted_desc,
 				       u8 **master_key, size_t *master_keylen);
 #else
-- 
GitLab


From f9849100851b28c8ad83e86d68d5110497a4e9d6 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 16 Nov 2011 11:52:12 +0000
Subject: [PATCH 0650/1594] watchdog: Don't overwrite error value in
 wm831x_wdt_set_timeout()

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/wm831x_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c
index 7be38556aed0..e789a47db41f 100644
--- a/drivers/watchdog/wm831x_wdt.c
+++ b/drivers/watchdog/wm831x_wdt.c
@@ -150,7 +150,7 @@ static int wm831x_wdt_set_timeout(struct watchdog_device *wdt_dev,
 		if (wm831x_wdt_cfgs[i].time == timeout)
 			break;
 	if (i == ARRAY_SIZE(wm831x_wdt_cfgs))
-		ret = -EINVAL;
+		return -EINVAL;
 
 	ret = wm831x_reg_unlock(wm831x);
 	if (ret == 0) {
-- 
GitLab


From 20403e845f9988446c5b48024ff4d0c3a5929f7d Mon Sep 17 00:00:00 2001
From: Dmitry Artamonow <mad_soft@inbox.ru>
Date: Wed, 16 Nov 2011 12:46:13 +0400
Subject: [PATCH 0651/1594] watchdog: fix initialisation printout in
 s3c2410_wdt

Looks like a typo creeped in, and driver prints
s3c2410-wdt s3c2410-wdt: watchdog active, reset abled, irq abled

instead of
s3c2410-wdt s3c2410-wdt: watchdog active, reset enabled, irq enabled

Also it may completely disinform about irq status, as it prints
"irq enabled" when S3C2410_WTCON_INTEN is in fact 0.

Fix it.

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Tested-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/s3c2410_wdt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 5de7e4fa5b8a..a79e3840782a 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -401,8 +401,8 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
 
 	dev_info(dev, "watchdog %sactive, reset %sabled, irq %sabled\n",
 		 (wtcon & S3C2410_WTCON_ENABLE) ?  "" : "in",
-		 (wtcon & S3C2410_WTCON_RSTEN) ? "" : "dis",
-		 (wtcon & S3C2410_WTCON_INTEN) ? "" : "en");
+		 (wtcon & S3C2410_WTCON_RSTEN) ? "en" : "dis",
+		 (wtcon & S3C2410_WTCON_INTEN) ? "en" : "dis");
 
 	return 0;
 
-- 
GitLab


From 8d514bbf37eecf0a3e309284728637816a36764b Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 16 Nov 2011 16:06:09 -0500
Subject: [PATCH 0652/1594] btrfs: fix double mntput() in mount_subvol()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/btrfs/super.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 8bd9d6d0e07a..969a7747e889 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -861,7 +861,6 @@ static struct dentry *mount_subvol(const char *subvol_name, int flags,
 
 	if (!is_subvolume_inode(path.dentry->d_inode)) {
 		path_put(&path);
-		mntput(mnt);
 		error = -EINVAL;
 		printk(KERN_ERR "btrfs: '%s' is not a valid subvolume\n",
 				subvol_name);
-- 
GitLab


From c13344958780b4046305ee6235d686c846535529 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 16 Nov 2011 16:12:14 -0500
Subject: [PATCH 0653/1594] switch create_mnt_ns() to saner calling
 conventions, fix double mntput() in nfs

Life is much saner if create_mnt_ns(mnt) drops mnt in case of error...
Switch it to such calling conventions, switch callers, fix double mntput() in
fs/nfs/super.c one.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/btrfs/super.c |  4 +---
 fs/namespace.c   |  2 ++
 fs/nfs/super.c   | 23 ++++++++---------------
 3 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 969a7747e889..cfbedd7755b0 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -843,10 +843,8 @@ static struct dentry *mount_subvol(const char *subvol_name, int flags,
 		return ERR_CAST(mnt);
 
 	ns_private = create_mnt_ns(mnt);
-	if (IS_ERR(ns_private)) {
-		mntput(mnt);
+	if (IS_ERR(ns_private))
 		return ERR_CAST(ns_private);
-	}
 
 	/*
 	 * This will trigger the automount of the subvol so we can just
diff --git a/fs/namespace.c b/fs/namespace.c
index e5e1c7d1839b..aea4b7689840 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2483,6 +2483,8 @@ struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt)
 		__mnt_make_longterm(mnt);
 		new_ns->root = mnt;
 		list_add(&new_ns->list, &new_ns->root->mnt_list);
+	} else {
+		mntput(mnt);
 	}
 	return new_ns;
 }
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 480b3b6bf71e..46d69f38fd55 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2794,22 +2794,21 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
 	int ret;
 
 	ns_private = create_mnt_ns(root_mnt);
-	ret = PTR_ERR(ns_private);
 	if (IS_ERR(ns_private))
-		goto out_mntput;
+		return ERR_CAST(ns_private);
 
 	ret = nfs_referral_loop_protect();
-	if (ret != 0)
-		goto out_put_mnt_ns;
-
-	ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
-			export_path, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path);
+	if (ret == 0) {
+		ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
+				export_path, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT,
+				&path);
+		nfs_referral_loop_unprotect();
+	}
 
-	nfs_referral_loop_unprotect();
 	put_mnt_ns(ns_private);
 
 	if (ret != 0)
-		goto out_err;
+		return ERR_PTR(ret);
 
 	s = path.mnt->mnt_sb;
 	atomic_inc(&s->s_active);
@@ -2818,12 +2817,6 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
 	path_put(&path);
 	down_write(&s->s_umount);
 	return dentry;
-out_put_mnt_ns:
-	put_mnt_ns(ns_private);
-out_mntput:
-	mntput(root_mnt);
-out_err:
-	return ERR_PTR(ret);
 }
 
 static struct dentry *nfs4_try_mount(int flags, const char *dev_name,
-- 
GitLab


From 709e8697af1c86772c1a6fccda6d4b0e2e226547 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 14 Nov 2011 10:56:56 +0000
Subject: [PATCH 0654/1594] tcp: clear xmit timers in tcp_v4_syn_recv_sock()

Simon Kirby reported divides by zero errors in __tcp_select_window()

This happens when inet_csk_route_child_sock() returns a NULL pointer :

We free new socket while we eventually armed keepalive timer in
tcp_create_openreq_child()

Fix this by a call to tcp_clear_xmit_timers()

[ This is a followup to commit 918eb39962dff (net: add missing
bh_unlock_sock() calls) ]

Reported-by: Simon Kirby <sim@hostway.ca>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Tested-by: Simon Kirby <sim@hostway.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_ipv4.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a7443159c400..a9db4b1a2215 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1510,6 +1510,7 @@ exit:
 	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
 	return NULL;
 put_and_exit:
+	tcp_clear_xmit_timers(newsk);
 	bh_unlock_sock(newsk);
 	sock_put(newsk);
 	goto exit;
-- 
GitLab


From 6cc31d09bedeb6f25951b18c23b6aee5df0a242c Mon Sep 17 00:00:00 2001
From: Ursula Braun <ursula.braun@de.ibm.com>
Date: Tue, 15 Nov 2011 02:31:12 +0000
Subject: [PATCH 0655/1594] qeth: return with -EPERM if sniffing is not enabled

Without appropriate configuration at the SE, a HiperSockets device
cannot be used for sniffing. Setting the sniffer attribute is rejected
with -EPERM.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_l3_sys.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index 0ea2fbfe0e99..d979bb26522f 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -335,10 +335,10 @@ static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
 					QETH_IN_BUF_COUNT_MAX)
 				qeth_realloc_buffer_pool(card,
 					QETH_IN_BUF_COUNT_MAX);
-			break;
 		} else
 			rc = -EPERM;
-	default:   /* fall through */
+		break;
+	default:
 		rc = -EINVAL;
 	}
 out:
-- 
GitLab


From 7c01a8e56bf8a03b9b50a770de36abfee03c4fc5 Mon Sep 17 00:00:00 2001
From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Tue, 15 Nov 2011 02:31:13 +0000
Subject: [PATCH 0656/1594] qeth: remove WARN_ON leftover

The patch "qeth: exploit asynchronous delivery of storage blocks"
added a WARN_ON in qeth_schedule_recovery. A device recovery should
not cause a kernel warning. This is obviously a debugging  left-over
that we forgot to remove.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_core_main.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 81534437373a..fff57de78943 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -881,7 +881,6 @@ EXPORT_SYMBOL_GPL(qeth_do_run_thread);
 void qeth_schedule_recovery(struct qeth_card *card)
 {
 	QETH_CARD_TEXT(card, 2, "startrec");
-	WARN_ON(1);
 	if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
 		schedule_work(&card->kernel_thread_starter);
 }
-- 
GitLab


From 1d503563f7601a249d015d3fad40b08e8d6a394b Mon Sep 17 00:00:00 2001
From: Ursula Braun <ursula.braun@de.ibm.com>
Date: Tue, 15 Nov 2011 02:31:14 +0000
Subject: [PATCH 0657/1594] netiucv: reinsert dev_alloc_name for device naming

Invocation of dev_alloc_name() is re-inserted, because the created
net_device name is used to create the device name for the iucv bus.
This device is created before the register_netdev call.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/netiucv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 3251333a23df..b6a6356d09b3 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1994,6 +1994,8 @@ static struct net_device *netiucv_init_netdevice(char *username)
 			   netiucv_setup_netdevice);
 	if (!dev)
 		return NULL;
+	if (dev_alloc_name(dev, dev->name) < 0)
+		goto out_netdev;
 
 	privptr = netdev_priv(dev);
 	privptr->fsm = init_fsm("netiucvdev", dev_state_names,
-- 
GitLab


From 1d36cb479f204a0fedc1a3e7ce7b32c0a2c48769 Mon Sep 17 00:00:00 2001
From: Frank Blaschka <frank.blaschka@de.ibm.com>
Date: Tue, 15 Nov 2011 02:31:15 +0000
Subject: [PATCH 0658/1594] qeth: l3 fix rcu splat in xmit

when use dst_get_neighbour to get neighbour, we need
rcu_read_lock to protect, since dst_get_neighbour uses
rcu_dereference.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_l3_main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index e4c1176ee25b..4d5307ddbe55 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2756,11 +2756,13 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 	struct neighbour *n = NULL;
 	struct dst_entry *dst;
 
+	rcu_read_lock();
 	dst = skb_dst(skb);
 	if (dst)
 		n = dst_get_neighbour(dst);
 	if (n) {
 		cast_type = n->type;
+		rcu_read_unlock();
 		if ((cast_type == RTN_BROADCAST) ||
 		    (cast_type == RTN_MULTICAST) ||
 		    (cast_type == RTN_ANYCAST))
@@ -2768,6 +2770,8 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 		else
 			return RTN_UNSPEC;
 	}
+	rcu_read_unlock();
+
 	/* try something else */
 	if (skb->protocol == ETH_P_IPV6)
 		return (skb_network_header(skb)[24] == 0xff) ?
@@ -2847,6 +2851,8 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
 	}
 
 	hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+
+	rcu_read_lock();
 	dst = skb_dst(skb);
 	if (dst)
 		n = dst_get_neighbour(dst);
@@ -2893,6 +2899,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
 				QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
 		}
 	}
+	rcu_read_unlock();
 }
 
 static inline void qeth_l3_hdr_csum(struct qeth_card *card,
-- 
GitLab


From 0284a0fdf3def1beb4de509f87472520b23883c9 Mon Sep 17 00:00:00 2001
From: Einar Lueck <elelueck@de.ibm.com>
Date: Tue, 15 Nov 2011 02:31:16 +0000
Subject: [PATCH 0659/1594] qeth: Reduce CPU consumption through less SIGA-r
 calls

Patch avoids SIGA-r calls in case of SIGA-r required. It only calls
SIGA-r if a threshold of free buffer is reached. CPU consumption is
reduced as a consequence.

Signed-off-by: Einar Lueck <elelueck@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_core.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index b77c65ed1381..4abc79d3963f 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -236,8 +236,7 @@ static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
 #define QETH_IN_BUF_COUNT_MAX 128
 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
-		((card)->ssqd.qdioac1 & AC1_SIGA_INPUT_NEEDED ? 1 : \
-		 ((card)->qdio.in_buf_pool.buf_count / 2))
+		 ((card)->qdio.in_buf_pool.buf_count / 2)
 
 /* buffers we have to be behind before we get a PCI */
 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
-- 
GitLab


From fa2da8cdae1dd64f78fc915ca1d1a4a93c71e7cb Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 15 Nov 2011 08:09:14 +0000
Subject: [PATCH 0660/1594] bridge: correct IPv6 checksum after pull

Bridge multicast snooping of ICMPv6 would incorrectly report a checksum problem
when used with Ethernet devices like sky2 that use CHECKSUM_COMPLETE.
When bytes are removed from skb, the computed checksum needs to be adjusted.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Tested-by: Martin Volf <martin.volf.42@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_multicast.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 2eefe275b338..a5f4e5769809 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1501,6 +1501,8 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
 
 	__skb_pull(skb2, offset);
 	skb_reset_transport_header(skb2);
+	skb_postpull_rcsum(skb2, skb_network_header(skb2),
+			   skb_network_header_len(skb2));
 
 	icmp6_type = icmp6_hdr(skb2)->icmp6_type;
 
-- 
GitLab


From eccab1ec87d093d5104e6aade674223b5b625d39 Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Tue, 15 Nov 2011 09:36:30 +0000
Subject: [PATCH 0661/1594] net/cadence: enable by default NET_ATMEL

so the defconfig of the atmel continue to have the support of the network
as before

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/cadence/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig
index 98849a1fc749..b48378a41e49 100644
--- a/drivers/net/ethernet/cadence/Kconfig
+++ b/drivers/net/ethernet/cadence/Kconfig
@@ -7,6 +7,7 @@ config HAVE_NET_MACB
 
 config NET_ATMEL
 	bool "Atmel devices"
+	default y
 	depends on HAVE_NET_MACB || (ARM && ARCH_AT91RM9200)
 	---help---
 	  If you have a network (Ethernet) card belonging to this class, say Y.
-- 
GitLab


From eb2afd4a622985eaccfa8c7fc83e890b8930e0ab Mon Sep 17 00:00:00 2001
From: Dmitry Kravkov <dmitry@broadcom.com>
Date: Tue, 15 Nov 2011 12:07:33 +0000
Subject: [PATCH 0662/1594] bnx2x: cache-in compressed fw image

Re-request fw from fs may fail for different reasons, once the fw was
loaded we won't release it until driver is removed.

This also resolves the boot problem when initial fw is located on initrd,
but rootfs is still unavailable, in this case device reset will fail due
to absence of fw files.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 .../net/ethernet/broadcom/bnx2x/bnx2x_main.c  | 50 +++++++++++--------
 .../net/ethernet/broadcom/bnx2x/bnx2x_sp.c    | 15 +++---
 2 files changed, 35 insertions(+), 30 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 6486ab8c8fc8..2f6361e949f0 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -10548,33 +10548,38 @@ do {									\
 
 int bnx2x_init_firmware(struct bnx2x *bp)
 {
-	const char *fw_file_name;
 	struct bnx2x_fw_file_hdr *fw_hdr;
 	int rc;
 
-	if (CHIP_IS_E1(bp))
-		fw_file_name = FW_FILE_NAME_E1;
-	else if (CHIP_IS_E1H(bp))
-		fw_file_name = FW_FILE_NAME_E1H;
-	else if (!CHIP_IS_E1x(bp))
-		fw_file_name = FW_FILE_NAME_E2;
-	else {
-		BNX2X_ERR("Unsupported chip revision\n");
-		return -EINVAL;
-	}
 
-	BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
+	if (!bp->firmware) {
+		const char *fw_file_name;
 
-	rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
-	if (rc) {
-		BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
-		goto request_firmware_exit;
-	}
+		if (CHIP_IS_E1(bp))
+			fw_file_name = FW_FILE_NAME_E1;
+		else if (CHIP_IS_E1H(bp))
+			fw_file_name = FW_FILE_NAME_E1H;
+		else if (!CHIP_IS_E1x(bp))
+			fw_file_name = FW_FILE_NAME_E2;
+		else {
+			BNX2X_ERR("Unsupported chip revision\n");
+			return -EINVAL;
+		}
+		BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
 
-	rc = bnx2x_check_firmware(bp);
-	if (rc) {
-		BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
-		goto request_firmware_exit;
+		rc = request_firmware(&bp->firmware, fw_file_name,
+				      &bp->pdev->dev);
+		if (rc) {
+			BNX2X_ERR("Can't load firmware file %s\n",
+				  fw_file_name);
+			goto request_firmware_exit;
+		}
+
+		rc = bnx2x_check_firmware(bp);
+		if (rc) {
+			BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
+			goto request_firmware_exit;
+		}
 	}
 
 	fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
@@ -10630,6 +10635,7 @@ static void bnx2x_release_firmware(struct bnx2x *bp)
 	kfree(bp->init_ops);
 	kfree(bp->init_data);
 	release_firmware(bp->firmware);
+	bp->firmware = NULL;
 }
 
 
@@ -10925,6 +10931,8 @@ static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
 	if (bp->doorbells)
 		iounmap(bp->doorbells);
 
+	bnx2x_release_firmware(bp);
+
 	bnx2x_free_mem_bp(bp);
 
 	free_netdev(dev);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 0440425c83d6..14517691f8db 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -5380,7 +5380,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
 	rc = drv->init_fw(bp);
 	if (rc) {
 		BNX2X_ERR("Error loading firmware\n");
-		goto fw_init_err;
+		goto init_err;
 	}
 
 	/* Handle the beginning of COMMON_XXX pases separatelly... */
@@ -5388,25 +5388,25 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
 	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
 		rc = bnx2x_func_init_cmn_chip(bp, drv);
 		if (rc)
-			goto init_hw_err;
+			goto init_err;
 
 		break;
 	case FW_MSG_CODE_DRV_LOAD_COMMON:
 		rc = bnx2x_func_init_cmn(bp, drv);
 		if (rc)
-			goto init_hw_err;
+			goto init_err;
 
 		break;
 	case FW_MSG_CODE_DRV_LOAD_PORT:
 		rc = bnx2x_func_init_port(bp, drv);
 		if (rc)
-			goto init_hw_err;
+			goto init_err;
 
 		break;
 	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
 		rc = bnx2x_func_init_func(bp, drv);
 		if (rc)
-			goto init_hw_err;
+			goto init_err;
 
 		break;
 	default:
@@ -5414,10 +5414,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
 		rc = -EINVAL;
 	}
 
-init_hw_err:
-	drv->release_fw(bp);
-
-fw_init_err:
+init_err:
 	drv->gunzip_end(bp);
 
 	/* In case of success, complete the comand immediatelly: no ramrods
-- 
GitLab


From 5e773fdc535cf3f4fa8023fe2ce20dcf774dae8a Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Tue, 15 Nov 2011 13:56:14 +0000
Subject: [PATCH 0663/1594] pch_gbe: Move #include of module.h

The first #include must be pch_gbe.h as it
does a #define of pr_fmt.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
index 9c075ea2682e..9cb5f912e489 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
@@ -18,8 +18,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
  */
 
-#include <linux/module.h>	/* for __MODULE_STRING */
 #include "pch_gbe.h"
+#include <linux/module.h>	/* for __MODULE_STRING */
 
 #define OPTION_UNSET   -1
 #define OPTION_DISABLED 0
-- 
GitLab


From 377a4673147d0144cf4951bf91f4c867a2c18e5e Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Wed, 16 Nov 2011 17:58:46 -0500
Subject: [PATCH 0664/1594] MAINTAINERS: change email address for shemminger

My old email account at linux-foundation is no longer usable after
the LF breakin.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 MAINTAINERS | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 4808256446f2..aa11a574e74e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2576,7 +2576,7 @@ S:	Maintained
 F:	drivers/net/ethernet/i825xx/eexpress.*
 
 ETHERNET BRIDGE
-M:	Stephen Hemminger <shemminger@linux-foundation.org>
+M:	Stephen Hemminger <shemminger@vyatta.com>
 L:	bridge@lists.linux-foundation.org
 L:	netdev@vger.kernel.org
 W:	http://www.linuxfoundation.org/en/Net:Bridge
@@ -4462,7 +4462,7 @@ S:	Supported
 F:	drivers/infiniband/hw/nes/
 
 NETEM NETWORK EMULATOR
-M:	Stephen Hemminger <shemminger@linux-foundation.org>
+M:	Stephen Hemminger <shemminger@vyatta.com>
 L:	netem@lists.linux-foundation.org
 S:	Maintained
 F:	net/sched/sch_netem.c
@@ -5977,7 +5977,7 @@ S:	Maintained
 F:	drivers/usb/misc/sisusbvga/
 
 SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS
-M:	Stephen Hemminger <shemminger@linux-foundation.org>
+M:	Stephen Hemminger <shemminger@vyatta.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/marvell/sk*
-- 
GitLab


From 9b7c547f7747991fe62f622698ea1bf470f256f4 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Wed, 16 Nov 2011 21:44:33 +0800
Subject: [PATCH 0665/1594] ARM: Update mach-types to fix mxs build breakage
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add entry m28evk to fix the following mxs build breakage.

  CHK     include/generated/compile.h
  CC      arch/arm/mach-mxs/clock-mx28.o
arch/arm/mach-mxs/clock-mx28.c: In function 'clk_misc_init':
arch/arm/mach-mxs/clock-mx28.c:748: error: implicit declaration of
function 'machine_is_m28evk'
make[1]: *** [arch/arm/mach-mxs/clock-mx28.o] Error 1
make: *** [arch/arm/mach-mxs] Error 2

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 arch/arm/tools/mach-types | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 5bdeef969847..ccbe16f47227 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -1123,5 +1123,6 @@ blissc			MACH_BLISSC		BLISSC			3491
 thales_adc		MACH_THALES_ADC		THALES_ADC		3492
 ubisys_p9d_evp		MACH_UBISYS_P9D_EVP	UBISYS_P9D_EVP		3493
 atdgp318		MACH_ATDGP318		ATDGP318		3494
+m28evk			MACH_M28EVK		M28EVK			3613
 smdk4212		MACH_SMDK4212		SMDK4212		3638
 smdk4412		MACH_SMDK4412		SMDK4412		3765
-- 
GitLab


From e4b3bbe31d9a1e9540c6e9c95f5e7fd92acbcacf Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.y.miao@gmail.com>
Date: Fri, 11 Nov 2011 20:11:14 +0800
Subject: [PATCH 0666/1594] ARM: pxa168/gplugd: add the correct SSP device

There is no SSP0, but SSP1 is used on gplugd as an I2S port.

Acked-by: Tanmay Upadhyay <tanmay.upadhyay@einfochips.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
---
 arch/arm/mach-mmp/gplugd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c
index 69156568bc41..4665767a4f79 100644
--- a/arch/arm/mach-mmp/gplugd.c
+++ b/arch/arm/mach-mmp/gplugd.c
@@ -182,7 +182,7 @@ static void __init gplugd_init(void)
 
 	/* on-chip devices */
 	pxa168_add_uart(3);
-	pxa168_add_ssp(0);
+	pxa168_add_ssp(1);
 	pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info));
 
 	pxa168_add_eth(&gplugd_eth_platform_data);
-- 
GitLab


From 0d2f096b8785b67c38afcf6e1fbb9674af2e05ca Mon Sep 17 00:00:00 2001
From: "Luck, Tony" <tony.luck@intel.com>
Date: Wed, 16 Nov 2011 10:50:56 -0800
Subject: [PATCH 0667/1594] random: Fix handing of arch_get_random_long in
 get_random_bytes()

If there is an architecture-specific random number generator we use
it to acquire randomness one "long" at a time. We should put these
random words into consecutive words in the result buffer - not just
overwrite the first word again and again.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/4ec4061010261a4cb0@agluck-desktop.sc.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 drivers/char/random.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 63e19ba56bbe..6035ab8d5ef7 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -941,7 +941,7 @@ void get_random_bytes(void *buf, int nbytes)
 		if (!arch_get_random_long(&v))
 			break;
 		
-		memcpy(buf, &v, chunk);
+		memcpy(p, &v, chunk);
 		p += chunk;
 		nbytes -= chunk;
 	}
-- 
GitLab


From 396464dfbba8f734c57346489b871e7ed64dcdd1 Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Mon, 14 Nov 2011 15:20:49 +0900
Subject: [PATCH 0668/1594] drm/exynos: Add disable of manager

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.h     |  2 +
 drivers/gpu/drm/exynos/exynos_drm_encoder.c | 18 ++++++
 drivers/gpu/drm/exynos/exynos_drm_fimd.c    | 61 ++++++++++++---------
 3 files changed, 55 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 2d74f8550e20..5e02e6ecc2e0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -147,12 +147,14 @@ struct exynos_drm_display_ops {
  * @mode_set: convert drm_display_mode to hw specific display mode and
  *	      would be called by encoder->mode_set().
  * @commit: set current hw specific display mode to hw.
+ * @disable: disable hardware specific display mode.
  * @enable_vblank: specific driver callback for enabling vblank interrupt.
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
  */
 struct exynos_drm_manager_ops {
 	void (*mode_set)(struct device *subdrv_dev, void *mode);
 	void (*commit)(struct device *subdrv_dev);
+	void (*disable)(struct device *subdrv_dev);
 	int (*enable_vblank)(struct device *subdrv_dev);
 	void (*disable_vblank)(struct device *subdrv_dev);
 };
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 866f419f485b..153061415baf 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -53,9 +53,27 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 	struct drm_device *dev = encoder->dev;
 	struct drm_connector *connector;
 	struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
 
 	DRM_DEBUG_KMS("%s, encoder dpms: %d\n", __FILE__, mode);
 
+	switch (mode) {
+	case DRM_MODE_DPMS_ON:
+		if (manager_ops && manager_ops->commit)
+			manager_ops->commit(manager->dev);
+		break;
+	case DRM_MODE_DPMS_STANDBY:
+	case DRM_MODE_DPMS_SUSPEND:
+	case DRM_MODE_DPMS_OFF:
+		/* TODO */
+		if (manager_ops && manager_ops->disable)
+			manager_ops->disable(manager->dev);
+		break;
+	default:
+		DRM_ERROR("unspecified mode %d\n", mode);
+		break;
+	}
+
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		if (connector->encoder == encoder) {
 			struct exynos_drm_display_ops *display_ops =
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 272c3b53c062..db3b3d9e731d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -177,6 +177,40 @@ static void fimd_commit(struct device *dev)
 	writel(val, ctx->regs + VIDCON0);
 }
 
+static void fimd_disable(struct device *dev)
+{
+	struct fimd_context *ctx = get_fimd_context(dev);
+	struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
+	struct drm_device *drm_dev = subdrv->drm_dev;
+	struct exynos_drm_manager *manager = &subdrv->manager;
+	u32 val;
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	/* fimd dma off */
+	val = readl(ctx->regs + VIDCON0);
+	val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F);
+	writel(val, ctx->regs + VIDCON0);
+
+	/*
+	 * if vblank is enabled status with dma off then
+	 * it disables vsync interrupt.
+	 */
+	if (drm_dev->vblank_enabled[manager->pipe] &&
+		atomic_read(&drm_dev->vblank_refcount[manager->pipe])) {
+		drm_vblank_put(drm_dev, manager->pipe);
+
+		/*
+		 * if vblank_disable_allowed is 0 then disable
+		 * vsync interrupt right now else the vsync interrupt
+		 * would be disabled by drm timer once a current process
+		 * gives up ownershop of vblank event.
+		 */
+		if (!drm_dev->vblank_disable_allowed)
+			drm_vblank_off(drm_dev, manager->pipe);
+	}
+}
+
 static int fimd_enable_vblank(struct device *dev)
 {
 	struct fimd_context *ctx = get_fimd_context(dev);
@@ -220,6 +254,7 @@ static void fimd_disable_vblank(struct device *dev)
 
 static struct exynos_drm_manager_ops fimd_manager_ops = {
 	.commit = fimd_commit,
+	.disable = fimd_disable,
 	.enable_vblank = fimd_enable_vblank,
 	.disable_vblank = fimd_disable_vblank,
 };
@@ -447,9 +482,6 @@ static void fimd_win_commit(struct device *dev)
 static void fimd_win_disable(struct device *dev)
 {
 	struct fimd_context *ctx = get_fimd_context(dev);
-	struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
-	struct drm_device *drm_dev = subdrv->drm_dev;
-	struct exynos_drm_manager *manager = &subdrv->manager;
 	int win = ctx->default_win;
 	u32 val;
 
@@ -473,29 +505,6 @@ static void fimd_win_disable(struct device *dev)
 	val &= ~SHADOWCON_CHx_ENABLE(win);
 	val &= ~SHADOWCON_WINx_PROTECT(win);
 	writel(val, ctx->regs + SHADOWCON);
-
-	/* fimd dma off. */
-	val = readl(ctx->regs + VIDCON0);
-	val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F);
-	writel(val, ctx->regs + VIDCON0);
-
-	/*
-	 * if vblank is enabled status with dma off then
-	 * it disables vsync interrupt.
-	 */
-	if (drm_dev->vblank_enabled[manager->pipe] &&
-			atomic_read(&drm_dev->vblank_refcount[manager->pipe])) {
-		drm_vblank_put(drm_dev, manager->pipe);
-
-		/*
-		 * if vblank_disable_allowed is 0 then disable vsync interrupt
-		 * right now else the vsync interrupt would be disabled by drm
-		 * timer once a current process gives up ownershop of
-		 * vblank event.
-		 */
-		if (!drm_dev->vblank_disable_allowed)
-			drm_vblank_off(drm_dev, manager->pipe);
-	}
 }
 
 static struct exynos_drm_overlay_ops fimd_overlay_ops = {
-- 
GitLab


From ca22e3cc25f180859561f36d51bf21278db5ae11 Mon Sep 17 00:00:00 2001
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Tue, 15 Nov 2011 16:25:39 +0900
Subject: [PATCH 0669/1594] drm/exynos: fixed wrong err ptr usage and destroy
 call in exeception

- exynos_drm_buf_create() returns err pointer so NULL check is wrong.
- Case that exynos_gem_obj is not created, destroy call in exception
  handle lable uses this pointer. so instead buffer is directly used.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_gem.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index b1b94b1e4400..aba0fe47f7ea 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -128,30 +128,25 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev,
 
 	struct exynos_drm_gem_obj *exynos_gem_obj = NULL;
 	struct exynos_drm_gem_buf *buffer;
-	int ret;
 
 	size = roundup(size, PAGE_SIZE);
 
 	DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size);
 
 	buffer = exynos_drm_buf_create(dev, size);
-	if (!buffer)
-		return ERR_PTR(-ENOMEM);
+	if (IS_ERR(buffer)) {
+		return ERR_CAST(buffer);
+	}
 
 	exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size);
 	if (IS_ERR(exynos_gem_obj)) {
-		ret = PTR_ERR(exynos_gem_obj);
-		goto err_gem_init;
+		exynos_drm_buf_destroy(dev, buffer);
+		return exynos_gem_obj;
 	}
 
 	exynos_gem_obj->buffer = buffer;
 
 	return exynos_gem_obj;
-
-err_gem_init:
-	exynos_drm_buf_destroy(dev, exynos_gem_obj->buffer);
-
-	return ERR_PTR(ret);
 }
 
 int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
-- 
GitLab


From bbc13ab9d26f4ff675775dd7dc24d5cae17b85d5 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Wed, 16 Nov 2011 06:00:08 +0000
Subject: [PATCH 0670/1594] r6040: fix check against MCRO_HASHEN bit in
 r6040_multicast_list

We are checking whether the MCR0_HASHEN bit is set using a logical and
instead of bitwise and, fix that.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/rdc/r6040.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 1fc01ca72b46..4bf68cfef390 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -940,7 +940,7 @@ static void r6040_multicast_list(struct net_device *dev)
 	iowrite16(lp->mcr0, ioaddr + MCR0);
 
 	/* Fill the MAC hash tables with their values */
-	if (lp->mcr0 && MCR0_HASH_EN) {
+	if (lp->mcr0 & MCR0_HASH_EN) {
 		iowrite16(hash_table[0], ioaddr + MAR0);
 		iowrite16(hash_table[1], ioaddr + MAR1);
 		iowrite16(hash_table[2], ioaddr + MAR2);
-- 
GitLab


From 1401a8008a09e079236261be37e98847c799760a Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Wed, 16 Nov 2011 13:42:55 +0000
Subject: [PATCH 0671/1594] sky2: fix hang on shutdown (and other irq issues)

There are several problems with recent change to how IRQ's are setup.
   * synchronize_irq in sky2_shutdown would hang because there
     was no IRQ setup.
   * when device was set to down, some IRQ bits left enabled so a
     hardware error would produce IRQ with no handler
   * quick link on Optima chip set was enabled without handler
   * suspend/resume would leave IRQ on with no handler if device
     was down

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/sky2.c | 45 +++++++++++++++++------------
 1 file changed, 27 insertions(+), 18 deletions(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index fdc6c394c683..f9c4529299bd 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -1747,6 +1747,11 @@ static int sky2_up(struct net_device *dev)
 
 	sky2_hw_up(sky2);
 
+	if (hw->chip_id == CHIP_ID_YUKON_OPT ||
+	    hw->chip_id == CHIP_ID_YUKON_PRM ||
+	    hw->chip_id == CHIP_ID_YUKON_OP_2)
+		imask |= Y2_IS_PHY_QLNK;	/* enable PHY Quick Link */
+
 	/* Enable interrupts from phy/mac for port */
 	imask = sky2_read32(hw, B0_IMSK);
 	imask |= portirq_msk[port];
@@ -2101,15 +2106,21 @@ static int sky2_down(struct net_device *dev)
 
 	netif_info(sky2, ifdown, dev, "disabling interface\n");
 
-	/* Disable port IRQ */
-	sky2_write32(hw, B0_IMSK,
-		     sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]);
-	sky2_read32(hw, B0_IMSK);
-
 	if (hw->ports == 1) {
+		sky2_write32(hw, B0_IMSK, 0);
+		sky2_read32(hw, B0_IMSK);
+
 		napi_disable(&hw->napi);
 		free_irq(hw->pdev->irq, hw);
 	} else {
+		u32 imask;
+
+		/* Disable port IRQ */
+		imask  = sky2_read32(hw, B0_IMSK);
+		imask &= ~portirq_msk[sky2->port];
+		sky2_write32(hw, B0_IMSK, imask);
+		sky2_read32(hw, B0_IMSK);
+
 		synchronize_irq(hw->pdev->irq);
 		napi_synchronize(&hw->napi);
 	}
@@ -3258,7 +3269,6 @@ static void sky2_reset(struct sky2_hw *hw)
 	    hw->chip_id == CHIP_ID_YUKON_PRM ||
 	    hw->chip_id == CHIP_ID_YUKON_OP_2) {
 		u16 reg;
-		u32 msk;
 
 		if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) {
 			/* disable PCI-E PHY power down (set PHY reg 0x80, bit 7 */
@@ -3281,11 +3291,6 @@ static void sky2_reset(struct sky2_hw *hw)
 		sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
 		sky2_pci_write16(hw, PSM_CONFIG_REG4, reg);
 
-		/* enable PHY Quick Link */
-		msk = sky2_read32(hw, B0_IMSK);
-		msk |= Y2_IS_PHY_QLNK;
-		sky2_write32(hw, B0_IMSK, msk);
-
 		/* check if PSMv2 was running before */
 		reg = sky2_pci_read16(hw, PSM_CONFIG_REG3);
 		if (reg & PCI_EXP_LNKCTL_ASPMC)
@@ -3412,7 +3417,9 @@ static void sky2_all_down(struct sky2_hw *hw)
 
 	sky2_read32(hw, B0_IMSK);
 	sky2_write32(hw, B0_IMSK, 0);
-	synchronize_irq(hw->pdev->irq);
+
+	if (hw->ports > 1 || netif_running(hw->dev[0]))
+		synchronize_irq(hw->pdev->irq);
 	napi_disable(&hw->napi);
 
 	for (i = 0; i < hw->ports; i++) {
@@ -3430,7 +3437,7 @@ static void sky2_all_down(struct sky2_hw *hw)
 
 static void sky2_all_up(struct sky2_hw *hw)
 {
-	u32 imask = Y2_IS_BASE;
+	u32 imask = 0;
 	int i;
 
 	for (i = 0; i < hw->ports; i++) {
@@ -3446,11 +3453,13 @@ static void sky2_all_up(struct sky2_hw *hw)
 		netif_wake_queue(dev);
 	}
 
-	sky2_write32(hw, B0_IMSK, imask);
-	sky2_read32(hw, B0_IMSK);
-
-	sky2_read32(hw, B0_Y2_SP_LISR);
-	napi_enable(&hw->napi);
+	if (imask || hw->ports > 1) {
+		imask |= Y2_IS_BASE;
+		sky2_write32(hw, B0_IMSK, imask);
+		sky2_read32(hw, B0_IMSK);
+		sky2_read32(hw, B0_Y2_SP_LISR);
+		napi_enable(&hw->napi);
+	}
 }
 
 static void sky2_restart(struct work_struct *work)
-- 
GitLab


From f9687c44d322ca1bcbc362c8a54084425fda3ab8 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Wed, 16 Nov 2011 13:42:56 +0000
Subject: [PATCH 0672/1594] sky2: pci posting issues

A couple of the reset and setup paths have possible PCI posting issues.
When setting registers, a read is necessary to force the writes to complete.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/sky2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index f9c4529299bd..98ad38a5588f 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -869,6 +869,7 @@ static void sky2_wol_init(struct sky2_port *sky2)
 
 	/* block receiver */
 	sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
+	sky2_read32(hw, B0_CTST);
 }
 
 static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port)
@@ -2045,6 +2046,8 @@ static void sky2_tx_reset(struct sky2_hw *hw, unsigned port)
 
 	sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
 	sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
+
+	sky2_read32(hw, B0_CTST);
 }
 
 static void sky2_hw_down(struct sky2_port *sky2)
-- 
GitLab


From 926d0977b28793533a99ec66484385b5f602e9c8 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Wed, 16 Nov 2011 13:42:57 +0000
Subject: [PATCH 0673/1594] sky2: rename up/down functions

The code is clearer if the up/down functions are renamed to
open/close like other drivers.  Purely syntax change.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/sky2.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 98ad38a5588f..98d435a187b1 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -1728,7 +1728,7 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name)
 
 
 /* Bring up network interface. */
-static int sky2_up(struct net_device *dev)
+static int sky2_open(struct net_device *dev)
 {
 	struct sky2_port *sky2 = netdev_priv(dev);
 	struct sky2_hw *hw = sky2->hw;
@@ -2098,7 +2098,7 @@ static void sky2_hw_down(struct sky2_port *sky2)
 }
 
 /* Network shutdown */
-static int sky2_down(struct net_device *dev)
+static int sky2_close(struct net_device *dev)
 {
 	struct sky2_port *sky2 = netdev_priv(dev);
 	struct sky2_hw *hw = sky2->hw;
@@ -2601,7 +2601,7 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
 	if (netif_running(dev)) {
 		sky2_tx_complete(sky2, last);
 
-		/* Wake unless it's detached, and called e.g. from sky2_down() */
+		/* Wake unless it's detached, and called e.g. from sky2_close() */
 		if (tx_avail(sky2) > MAX_SKB_TX_LE + 4)
 			netif_wake_queue(dev);
 	}
@@ -3391,7 +3391,7 @@ static void sky2_detach(struct net_device *dev)
 		netif_tx_lock(dev);
 		netif_device_detach(dev);	/* stop txq */
 		netif_tx_unlock(dev);
-		sky2_down(dev);
+		sky2_close(dev);
 	}
 }
 
@@ -3401,7 +3401,7 @@ static int sky2_reattach(struct net_device *dev)
 	int err = 0;
 
 	if (netif_running(dev)) {
-		err = sky2_up(dev);
+		err = sky2_open(dev);
 		if (err) {
 			netdev_info(dev, "could not restart %d\n", err);
 			dev_close(dev);
@@ -4568,7 +4568,7 @@ static int sky2_device_event(struct notifier_block *unused,
 	struct net_device *dev = ptr;
 	struct sky2_port *sky2 = netdev_priv(dev);
 
-	if (dev->netdev_ops->ndo_open != sky2_up || !sky2_debug)
+	if (dev->netdev_ops->ndo_open != sky2_open || !sky2_debug)
 		return NOTIFY_DONE;
 
 	switch (event) {
@@ -4633,8 +4633,8 @@ static __exit void sky2_debug_cleanup(void)
    not allowing netpoll on second port */
 static const struct net_device_ops sky2_netdev_ops[2] = {
   {
-	.ndo_open		= sky2_up,
-	.ndo_stop		= sky2_down,
+	.ndo_open		= sky2_open,
+	.ndo_stop		= sky2_close,
 	.ndo_start_xmit		= sky2_xmit_frame,
 	.ndo_do_ioctl		= sky2_ioctl,
 	.ndo_validate_addr	= eth_validate_addr,
@@ -4650,8 +4650,8 @@ static const struct net_device_ops sky2_netdev_ops[2] = {
 #endif
   },
   {
-	.ndo_open		= sky2_up,
-	.ndo_stop		= sky2_down,
+	.ndo_open		= sky2_open,
+	.ndo_stop		= sky2_close,
 	.ndo_start_xmit		= sky2_xmit_frame,
 	.ndo_do_ioctl		= sky2_ioctl,
 	.ndo_validate_addr	= eth_validate_addr,
-- 
GitLab


From b1cb82566242fbb54d5c655e23995a8f7bd37ecf Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Wed, 16 Nov 2011 13:42:58 +0000
Subject: [PATCH 0674/1594] sky2: reduce default Tx ring size

The default Tx ring size for the sky2 driver is quite large and could
cause excess buffer bloat for many users. The minimum ring size
possible and still allow handling  the worst case packet on 64bit platforms
is 38 which gets rounded up to a power of 2. But most packets only require
a couple of ring elements.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/sky2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 98d435a187b1..3777fb348b86 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -68,7 +68,7 @@
 #define MAX_SKB_TX_LE	(2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
 #define TX_MIN_PENDING		(MAX_SKB_TX_LE+1)
 #define TX_MAX_PENDING		1024
-#define TX_DEF_PENDING		127
+#define TX_DEF_PENDING		63
 
 #define TX_WATCHDOG		(5 * HZ)
 #define NAPI_WEIGHT		64
-- 
GitLab


From 00427a7387a1c91ddb6b69e50916173d8aca66e0 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Wed, 16 Nov 2011 13:42:59 +0000
Subject: [PATCH 0675/1594] sky2: used fixed RSS key

Rather than generating a different RSS key on each boot, just use
a predetermined value that will map same flow to same value on
every device.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/sky2.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 3777fb348b86..48c9e1281c7e 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -1275,6 +1275,14 @@ static void rx_set_checksum(struct sky2_port *sky2)
 		     ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
 }
 
+/*
+ * Fixed initial key as seed to RSS.
+ */
+static const uint32_t rss_init_key[10] = {
+	0x7c3351da, 0x51c5cf4e,	0x44adbdd1, 0xe8d38d18,	0x48897c43,
+	0xb1d60e7e, 0x6a3dd760, 0x01a2e453, 0x16f46f13, 0x1a0e7b30
+};
+
 /* Enable/disable receive hash calculation (RSS) */
 static void rx_set_rss(struct net_device *dev, u32 features)
 {
@@ -1290,12 +1298,9 @@ static void rx_set_rss(struct net_device *dev, u32 features)
 
 	/* Program RSS initial values */
 	if (features & NETIF_F_RXHASH) {
-		u32 key[nkeys];
-
-		get_random_bytes(key, nkeys * sizeof(u32));
 		for (i = 0; i < nkeys; i++)
 			sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4),
-				     key[i]);
+				     rss_init_key[i]);
 
 		/* Need to turn on (undocumented) flag to make hashing work  */
 		sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T),
-- 
GitLab


From d9fa7c86f1fca60693beea187c963cfda4a54a06 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Wed, 16 Nov 2011 13:43:00 +0000
Subject: [PATCH 0676/1594] sky2: version 1.30

Update version number.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/sky2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 48c9e1281c7e..539de09cffc9 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -50,7 +50,7 @@
 #include "sky2.h"
 
 #define DRV_NAME		"sky2"
-#define DRV_VERSION		"1.29"
+#define DRV_VERSION		"1.30"
 
 /*
  * The Yukon II chipset takes 64 bit command blocks (called list elements)
-- 
GitLab


From ea441d1104cf1efb471fa81bc91e9fd1e6ae29fd Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 16 Nov 2011 21:43:59 -0500
Subject: [PATCH 0677/1594] new helper: mount_subtree()

takes vfsmount and relative path, does lookup within that vfsmount
(possibly triggering automounts) and returns the result as root
of subtree suitable for return by ->mount() (i.e. a reference to
dentry and an active reference to its superblock grabbed, superblock
locked exclusive).

btrfs and nfs switched to it instead of open-coding the sucker.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/btrfs/super.c   | 35 ++++++-----------------------------
 fs/namespace.c     | 28 ++++++++++++++++++++++++++++
 fs/nfs/super.c     | 30 ++++++------------------------
 include/linux/fs.h |  1 +
 4 files changed, 41 insertions(+), 53 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index cfbedd7755b0..17ee7fc5e64e 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -825,13 +825,9 @@ static char *setup_root_args(char *args)
 static struct dentry *mount_subvol(const char *subvol_name, int flags,
 				   const char *device_name, char *data)
 {
-	struct super_block *s;
 	struct dentry *root;
 	struct vfsmount *mnt;
-	struct mnt_namespace *ns_private;
 	char *newargs;
-	struct path path;
-	int error;
 
 	newargs = setup_root_args(data);
 	if (!newargs)
@@ -842,36 +838,17 @@ static struct dentry *mount_subvol(const char *subvol_name, int flags,
 	if (IS_ERR(mnt))
 		return ERR_CAST(mnt);
 
-	ns_private = create_mnt_ns(mnt);
-	if (IS_ERR(ns_private))
-		return ERR_CAST(ns_private);
-
-	/*
-	 * This will trigger the automount of the subvol so we can just
-	 * drop the mnt we have here and return the dentry that we
-	 * found.
-	 */
-	error = vfs_path_lookup(mnt->mnt_root, mnt, subvol_name,
-				LOOKUP_FOLLOW, &path);
-	put_mnt_ns(ns_private);
-	if (error)
-		return ERR_PTR(error);
+	root = mount_subtree(mnt, subvol_name);
 
-	if (!is_subvolume_inode(path.dentry->d_inode)) {
-		path_put(&path);
-		error = -EINVAL;
+	if (!IS_ERR(root) && !is_subvolume_inode(root->d_inode)) {
+		struct super_block *s = root->d_sb;
+		dput(root);
+		root = ERR_PTR(-EINVAL);
+		deactivate_locked_super(s);
 		printk(KERN_ERR "btrfs: '%s' is not a valid subvolume\n",
 				subvol_name);
-		return ERR_PTR(-EINVAL);
 	}
 
-	/* Get a ref to the sb and the dentry we found and return it */
-	s = path.mnt->mnt_sb;
-	atomic_inc(&s->s_active);
-	root = dget(path.dentry);
-	path_put(&path);
-	down_write(&s->s_umount);
-
 	return root;
 }
 
diff --git a/fs/namespace.c b/fs/namespace.c
index aea4b7689840..50ee30345b4f 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2490,6 +2490,34 @@ struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt)
 }
 EXPORT_SYMBOL(create_mnt_ns);
 
+struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
+{
+	struct mnt_namespace *ns;
+	struct path path;
+	int err;
+
+	ns = create_mnt_ns(mnt);
+	if (IS_ERR(ns))
+		return ERR_CAST(ns);
+
+	err = vfs_path_lookup(mnt->mnt_root, mnt,
+			name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path);
+
+	put_mnt_ns(ns);
+
+	if (err)
+		return ERR_PTR(err);
+
+	/* trade a vfsmount reference for active sb one */
+	atomic_inc(&path.mnt->mnt_sb->s_active);
+	mntput(path.mnt);
+	/* lock the sucker */
+	down_write(&path.mnt->mnt_sb->s_umount);
+	/* ... and return the root of (sub)tree on it */
+	return path.dentry;
+}
+EXPORT_SYMBOL(mount_subtree);
+
 SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
 		char __user *, type, unsigned long, flags, void __user *, data)
 {
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 46d69f38fd55..134777406ee3 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2787,35 +2787,17 @@ static void nfs_referral_loop_unprotect(void)
 static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
 		const char *export_path)
 {
-	struct mnt_namespace *ns_private;
-	struct super_block *s;
 	struct dentry *dentry;
-	struct path path;
-	int ret;
+	int ret = nfs_referral_loop_protect();
 
-	ns_private = create_mnt_ns(root_mnt);
-	if (IS_ERR(ns_private))
-		return ERR_CAST(ns_private);
-
-	ret = nfs_referral_loop_protect();
-	if (ret == 0) {
-		ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
-				export_path, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT,
-				&path);
-		nfs_referral_loop_unprotect();
-	}
-
-	put_mnt_ns(ns_private);
-
-	if (ret != 0)
+	if (ret) {
+		mntput(root_mnt);
 		return ERR_PTR(ret);
+	}
 
-	s = path.mnt->mnt_sb;
-	atomic_inc(&s->s_active);
-	dentry = dget(path.dentry);
+	dentry = mount_subtree(root_mnt, export_path);
+	nfs_referral_loop_unprotect();
 
-	path_put(&path);
-	down_write(&s->s_umount);
 	return dentry;
 }
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0c4df261af7e..e3130220ce3e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1886,6 +1886,7 @@ extern struct dentry *mount_single(struct file_system_type *fs_type,
 extern struct dentry *mount_nodev(struct file_system_type *fs_type,
 	int flags, void *data,
 	int (*fill_super)(struct super_block *, void *, int));
+extern struct dentry *mount_subtree(struct vfsmount *mnt, const char *path);
 void generic_shutdown_super(struct super_block *sb);
 void kill_block_super(struct super_block *sb);
 void kill_anon_super(struct super_block *sb);
-- 
GitLab


From 832dd3c17f7829fe8e4c257531d6c5c9e19bd7ac Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 1 Nov 2011 19:34:06 -0700
Subject: [PATCH 0678/1594] drm/i915: Move common PCH_PP_CONTROL setup to
 ironlake_get_pp_control

Every usage of PCH_PP_CONTROL sets the PANEL_UNLOCK_REGS value to
ensure that writes will be respected, move this to a common function
to make the driver cleaner.

No functional changes.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 37 +++++++++++++++++----------------
 1 file changed, 19 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 7259034b33d1..efe5f9e0de9e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -906,6 +906,19 @@ static void ironlake_wait_panel_off(struct intel_dp *intel_dp)
 	msleep(delay);
 }
 
+/* Read the current pp_control value, unlocking the register if it
+ * is locked
+ */
+
+static  u32 ironlake_get_pp_control(struct drm_i915_private *dev_priv)
+{
+	u32	control = I915_READ(PCH_PP_CONTROL);
+
+	control &= ~PANEL_UNLOCK_MASK;
+	control |= PANEL_UNLOCK_REGS;
+	return control;
+}
+
 static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
 {
 	struct drm_device *dev = intel_dp->base.base.dev;
@@ -926,9 +939,7 @@ static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
 	}
 
 	ironlake_wait_panel_off(intel_dp);
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	pp = ironlake_get_pp_control(dev_priv);
 	pp |= EDP_FORCE_VDD;
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
@@ -951,9 +962,7 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp)
 	u32 pp;
 
 	if (!intel_dp->want_panel_vdd && ironlake_edp_have_panel_vdd(intel_dp)) {
-		pp = I915_READ(PCH_PP_CONTROL);
-		pp &= ~PANEL_UNLOCK_MASK;
-		pp |= PANEL_UNLOCK_REGS;
+		pp = ironlake_get_pp_control(dev_priv);
 		pp &= ~EDP_FORCE_VDD;
 		I915_WRITE(PCH_PP_CONTROL, pp);
 		POSTING_READ(PCH_PP_CONTROL);
@@ -1012,9 +1021,7 @@ static void ironlake_edp_panel_on(struct intel_dp *intel_dp)
 		return;
 
 	ironlake_wait_panel_off(intel_dp);
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	pp = ironlake_get_pp_control(dev_priv);
 
 	if (IS_GEN5(dev)) {
 		/* ILK workaround: disable reset around power sequence */
@@ -1049,9 +1056,7 @@ static void ironlake_edp_panel_off(struct drm_encoder *encoder)
 
 	if (!is_edp(intel_dp))
 		return;
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	pp = ironlake_get_pp_control(dev_priv);
 
 	if (IS_GEN5(dev)) {
 		/* ILK workaround: disable reset around power sequence */
@@ -1098,9 +1103,7 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp)
 	 * allowing it to appear.
 	 */
 	msleep(intel_dp->backlight_on_delay);
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	pp = ironlake_get_pp_control(dev_priv);
 	pp |= EDP_BLC_ENABLE;
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
@@ -1116,9 +1119,7 @@ static void ironlake_edp_backlight_off(struct intel_dp *intel_dp)
 		return;
 
 	DRM_DEBUG_KMS("\n");
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	pp = ironlake_get_pp_control(dev_priv);
 	pp &= ~EDP_BLC_ENABLE;
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
-- 
GitLab


From 93f62dad5ffe0962d83772fd16c0c1a9dd69767d Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 1 Nov 2011 19:45:03 -0700
Subject: [PATCH 0679/1594] drm/i915: Remove link_status field from intel_dp
 structure

No persistent data was ever stored here, so link_status is instead
allocated on the stack as needed.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c | 65 ++++++++++++++++++---------------
 1 file changed, 36 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index efe5f9e0de9e..2c0c482222e1 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -58,7 +58,6 @@ struct intel_dp {
 	struct i2c_algo_dp_aux_data algo;
 	bool is_pch_edp;
 	uint8_t	train_set[4];
-	uint8_t link_status[DP_LINK_STATUS_SIZE];
 	int panel_power_up_delay;
 	int panel_power_down_delay;
 	int panel_power_cycle_delay;
@@ -1285,11 +1284,11 @@ intel_dp_aux_native_read_retry(struct intel_dp *intel_dp, uint16_t address,
  * link status information
  */
 static bool
-intel_dp_get_link_status(struct intel_dp *intel_dp)
+intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
 	return intel_dp_aux_native_read_retry(intel_dp,
 					      DP_LANE0_1_STATUS,
-					      intel_dp->link_status,
+					      link_status,
 					      DP_LINK_STATUS_SIZE);
 }
 
@@ -1301,27 +1300,25 @@ intel_dp_link_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
 }
 
 static uint8_t
-intel_get_adjust_request_voltage(uint8_t link_status[DP_LINK_STATUS_SIZE],
+intel_get_adjust_request_voltage(uint8_t adjust_request[2],
 				 int lane)
 {
-	int	    i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
 	int	    s = ((lane & 1) ?
 			 DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT :
 			 DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT);
-	uint8_t l = intel_dp_link_status(link_status, i);
+	uint8_t l = adjust_request[lane>>1];
 
 	return ((l >> s) & 3) << DP_TRAIN_VOLTAGE_SWING_SHIFT;
 }
 
 static uint8_t
-intel_get_adjust_request_pre_emphasis(uint8_t link_status[DP_LINK_STATUS_SIZE],
+intel_get_adjust_request_pre_emphasis(uint8_t adjust_request[2],
 				      int lane)
 {
-	int	    i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
 	int	    s = ((lane & 1) ?
 			 DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT :
 			 DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT);
-	uint8_t l = intel_dp_link_status(link_status, i);
+	uint8_t l = adjust_request[lane>>1];
 
 	return ((l >> s) & 3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
 }
@@ -1362,15 +1359,18 @@ intel_dp_pre_emphasis_max(uint8_t voltage_swing)
 }
 
 static void
-intel_get_adjust_train(struct intel_dp *intel_dp)
+intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
+	struct drm_device *dev = intel_dp->base.base.dev;
 	uint8_t v = 0;
 	uint8_t p = 0;
 	int lane;
+	uint8_t	*adjust_request = link_status + (DP_ADJUST_REQUEST_LANE0_1 - DP_LANE0_1_STATUS);
+	int voltage_max;
 
 	for (lane = 0; lane < intel_dp->lane_count; lane++) {
-		uint8_t this_v = intel_get_adjust_request_voltage(intel_dp->link_status, lane);
-		uint8_t this_p = intel_get_adjust_request_pre_emphasis(intel_dp->link_status, lane);
+		uint8_t this_v = intel_get_adjust_request_voltage(adjust_request, lane);
+		uint8_t this_p = intel_get_adjust_request_pre_emphasis(adjust_request, lane);
 
 		if (this_v > v)
 			v = this_v;
@@ -1389,7 +1389,7 @@ intel_get_adjust_train(struct intel_dp *intel_dp)
 }
 
 static uint32_t
-intel_dp_signal_levels(uint8_t train_set, int lane_count)
+intel_dp_signal_levels(uint8_t train_set)
 {
 	uint32_t	signal_levels = 0;
 
@@ -1458,9 +1458,8 @@ static uint8_t
 intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
 		      int lane)
 {
-	int i = DP_LANE0_1_STATUS + (lane >> 1);
 	int s = (lane & 1) * 4;
-	uint8_t l = intel_dp_link_status(link_status, i);
+	uint8_t l = link_status[lane>>1];
 
 	return (l >> s) & 0xf;
 }
@@ -1485,18 +1484,18 @@ intel_clock_recovery_ok(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane_count
 			 DP_LANE_CHANNEL_EQ_DONE|\
 			 DP_LANE_SYMBOL_LOCKED)
 static bool
-intel_channel_eq_ok(struct intel_dp *intel_dp)
+intel_channel_eq_ok(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
 	uint8_t lane_align;
 	uint8_t lane_status;
 	int lane;
 
-	lane_align = intel_dp_link_status(intel_dp->link_status,
+	lane_align = intel_dp_link_status(link_status,
 					  DP_LANE_ALIGN_STATUS_UPDATED);
 	if ((lane_align & DP_INTERLANE_ALIGN_DONE) == 0)
 		return false;
 	for (lane = 0; lane < intel_dp->lane_count; lane++) {
-		lane_status = intel_get_lane_status(intel_dp->link_status, lane);
+		lane_status = intel_get_lane_status(link_status, lane);
 		if ((lane_status & CHANNEL_EQ_BITS) != CHANNEL_EQ_BITS)
 			return false;
 	}
@@ -1569,12 +1568,14 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 	clock_recovery = false;
 	for (;;) {
 		/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
+		uint8_t	    link_status[DP_LINK_STATUS_SIZE];
 		uint32_t    signal_levels;
 		if (IS_GEN6(dev) && is_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
-			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0], intel_dp->lane_count);
+			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]);
+			DRM_DEBUG_KMS("training pattern 1 signal levels %08x\n", signal_levels);
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
@@ -1590,10 +1591,13 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 		/* Set training pattern 1 */
 
 		udelay(100);
-		if (!intel_dp_get_link_status(intel_dp))
+		if (!intel_dp_get_link_status(intel_dp, link_status)) {
+			DRM_ERROR("failed to get link status\n");
 			break;
+		}
 
-		if (intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
+		if (intel_clock_recovery_ok(link_status, intel_dp->lane_count)) {
+			DRM_DEBUG_KMS("clock recovery OK\n");
 			clock_recovery = true;
 			break;
 		}
@@ -1615,7 +1619,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 		voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
 
 		/* Compute new intel_dp->train_set as requested by target */
-		intel_get_adjust_train(intel_dp);
+		intel_get_adjust_train(intel_dp, link_status);
 	}
 
 	intel_dp->DP = DP;
@@ -1638,6 +1642,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 	for (;;) {
 		/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
 		uint32_t    signal_levels;
+		uint8_t	    link_status[DP_LINK_STATUS_SIZE];
 
 		if (cr_tries > 5) {
 			DRM_ERROR("failed to train DP, aborting\n");
@@ -1649,7 +1654,8 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
-			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0], intel_dp->lane_count);
+			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]);
+			DRM_DEBUG_KMS("training pattern 1 signal levels %08x\n", signal_levels);
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
@@ -1665,17 +1671,17 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 			break;
 
 		udelay(400);
-		if (!intel_dp_get_link_status(intel_dp))
+		if (!intel_dp_get_link_status(intel_dp, link_status))
 			break;
 
 		/* Make sure clock is still ok */
-		if (!intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
+		if (!intel_clock_recovery_ok(link_status, intel_dp->lane_count)) {
 			intel_dp_start_link_train(intel_dp);
 			cr_tries++;
 			continue;
 		}
 
-		if (intel_channel_eq_ok(intel_dp)) {
+		if (intel_channel_eq_ok(intel_dp, link_status)) {
 			channel_eq = true;
 			break;
 		}
@@ -1690,7 +1696,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 		}
 
 		/* Compute new intel_dp->train_set as requested by target */
-		intel_get_adjust_train(intel_dp);
+		intel_get_adjust_train(intel_dp, link_status);
 		++tries;
 	}
 
@@ -1822,6 +1828,7 @@ static void
 intel_dp_check_link_status(struct intel_dp *intel_dp)
 {
 	u8 sink_irq_vector;
+	u8 link_status[DP_LINK_STATUS_SIZE];
 
 	if (intel_dp->dpms_mode != DRM_MODE_DPMS_ON)
 		return;
@@ -1830,7 +1837,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
 		return;
 
 	/* Try to read receiver status if the link appears to be up */
-	if (!intel_dp_get_link_status(intel_dp)) {
+	if (!intel_dp_get_link_status(intel_dp, link_status)) {
 		intel_dp_link_down(intel_dp);
 		return;
 	}
@@ -1855,7 +1862,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
 			DRM_DEBUG_DRIVER("CP or sink specific irq unhandled\n");
 	}
 
-	if (!intel_channel_eq_ok(intel_dp)) {
+	if (!intel_channel_eq_ok(intel_dp, link_status)) {
 		DRM_DEBUG_KMS("%s: channel EQ not ok, retraining\n",
 			      drm_get_encoder_name(&intel_dp->base.base));
 		intel_dp_start_link_train(intel_dp);
-- 
GitLab


From 417e822deee1d2bcd8a8a60660c40a0903713f2b Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 1 Nov 2011 19:54:11 -0700
Subject: [PATCH 0680/1594] drm/i915: Treat PCH eDP like DP in most places

PCH eDP has many of the same needs as regular PCH DP connections,
including the DP_CTl bit settings, the TRANS_DP_CTL register.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_display.c |   3 +-
 drivers/gpu/drm/i915/intel_dp.c      | 103 ++++++++++++++++++---------
 2 files changed, 72 insertions(+), 34 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 591eb0ed3110..e77a863a3833 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2933,7 +2933,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
 
 	/* For PCH DP, enable TRANS_DP_CTL */
 	if (HAS_PCH_CPT(dev) &&
-	    intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
+	    (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
+	     intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
 		u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) >> 5;
 		reg = TRANS_DP_CTL(pipe);
 		temp = I915_READ(reg);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2c0c482222e1..d1eabd4165c4 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -766,10 +766,10 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 			continue;
 
 		intel_dp = enc_to_intel_dp(encoder);
-		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT) {
+		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT || is_pch_edp(intel_dp)) {
 			lane_count = intel_dp->lane_count;
 			break;
-		} else if (is_edp(intel_dp)) {
+		} else if (is_cpu_edp(intel_dp)) {
 			lane_count = dev_priv->edp.lanes;
 			break;
 		}
@@ -808,6 +808,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		  struct drm_display_mode *adjusted_mode)
 {
 	struct drm_device *dev = encoder->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_crtc *crtc = intel_dp->base.base.crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
@@ -820,18 +821,31 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 			ironlake_edp_pll_off(encoder);
 	}
 
-	intel_dp->DP = DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
-	intel_dp->DP |= intel_dp->color_range;
+	/*
+	 * There are three kinds of DP registers:
+	 *
+	 * 	IBX PCH
+	 * 	CPU
+	 * 	CPT PCH
+	 *
+	 * IBX PCH and CPU are the same for almost everything,
+	 * except that the CPU DP PLL is configured in this
+	 * register
+	 *
+	 * CPT PCH is quite different, having many bits moved
+	 * to the TRANS_DP_CTL register instead. That
+	 * configuration happens (oddly) in ironlake_pch_enable
+	 */
 
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-		intel_dp->DP |= DP_SYNC_HS_HIGH;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-		intel_dp->DP |= DP_SYNC_VS_HIGH;
+	/* Preserve the BIOS-computed detected bit. This is
+	 * supposed to be read-only.
+	 */
+	intel_dp->DP = I915_READ(intel_dp->output_reg) & DP_DETECTED;
+	intel_dp->DP |=  DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
 
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
-		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
-	else
-		intel_dp->DP |= DP_LINK_TRAIN_OFF;
+	/* Handle DP bits in common between all three register formats */
+
+	intel_dp->DP |= DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
 
 	switch (intel_dp->lane_count) {
 	case 1:
@@ -850,32 +864,45 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE;
 		intel_write_eld(encoder, adjusted_mode);
 	}
-
 	memset(intel_dp->link_configuration, 0, DP_LINK_CONFIGURATION_SIZE);
 	intel_dp->link_configuration[0] = intel_dp->link_bw;
 	intel_dp->link_configuration[1] = intel_dp->lane_count;
 	intel_dp->link_configuration[8] = DP_SET_ANSI_8B10B;
-
 	/*
 	 * Check for DPCD version > 1.1 and enhanced framing support
 	 */
 	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
 	    (intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP)) {
 		intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
-		intel_dp->DP |= DP_ENHANCED_FRAMING;
 	}
 
-	/* CPT DP's pipe select is decided in TRANS_DP_CTL */
-	if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev))
-		intel_dp->DP |= DP_PIPEB_SELECT;
+	/* Split out the IBX/CPU vs CPT settings */
 
-	if (is_cpu_edp(intel_dp)) {
-		/* don't miss out required setting for eDP */
-		intel_dp->DP |= DP_PLL_ENABLE;
-		if (adjusted_mode->clock < 200000)
-			intel_dp->DP |= DP_PLL_FREQ_160MHZ;
-		else
-			intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+	if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
+		intel_dp->DP |= intel_dp->color_range;
+
+		if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+			intel_dp->DP |= DP_SYNC_HS_HIGH;
+		if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+			intel_dp->DP |= DP_SYNC_VS_HIGH;
+		intel_dp->DP |= DP_LINK_TRAIN_OFF;
+
+		if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+			intel_dp->DP |= DP_ENHANCED_FRAMING;
+
+		if (intel_crtc->pipe == 1)
+			intel_dp->DP |= DP_PIPEB_SELECT;
+
+		if (is_cpu_edp(intel_dp)) {
+			/* don't miss out required setting for eDP */
+			intel_dp->DP |= DP_PLL_ENABLE;
+			if (adjusted_mode->clock < 200000)
+				intel_dp->DP |= DP_PLL_FREQ_160MHZ;
+			else
+				intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+		}
+	} else {
+		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
 	}
 }
 
@@ -1341,6 +1368,7 @@ static char	*link_train_names[] = {
  * a maximum voltage of 800mV and a maximum pre-emphasis of 6dB
  */
 #define I830_DP_VOLTAGE_MAX	    DP_TRAIN_VOLTAGE_SWING_800
+#define I830_DP_VOLTAGE_MAX_CPT	    DP_TRAIN_VOLTAGE_SWING_1200
 
 static uint8_t
 intel_dp_pre_emphasis_max(uint8_t voltage_swing)
@@ -1378,8 +1406,12 @@ intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_ST
 			p = this_p;
 	}
 
-	if (v >= I830_DP_VOLTAGE_MAX)
-		v = I830_DP_VOLTAGE_MAX | DP_TRAIN_MAX_SWING_REACHED;
+	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		voltage_max = I830_DP_VOLTAGE_MAX_CPT;
+	else
+		voltage_max = I830_DP_VOLTAGE_MAX;
+	if (v >= voltage_max)
+		v = voltage_max | DP_TRAIN_MAX_SWING_REACHED;
 
 	if (p >= intel_dp_pre_emphasis_max(v))
 		p = intel_dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
@@ -1570,7 +1602,8 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 		/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
 		uint8_t	    link_status[DP_LINK_STATUS_SIZE];
 		uint32_t    signal_levels;
-		if (IS_GEN6(dev) && is_edp(intel_dp)) {
+
+		if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
@@ -1650,12 +1683,11 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 			break;
 		}
 
-		if (IS_GEN6(dev) && is_edp(intel_dp)) {
+		if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
 			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]);
-			DRM_DEBUG_KMS("training pattern 1 signal levels %08x\n", signal_levels);
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
@@ -1741,8 +1773,12 @@ intel_dp_link_down(struct intel_dp *intel_dp)
 
 	msleep(17);
 
-	if (is_edp(intel_dp))
-		DP |= DP_LINK_TRAIN_OFF;
+	if (is_edp(intel_dp)) {
+		if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+			DP |= DP_LINK_TRAIN_OFF_CPT;
+		else
+			DP |= DP_LINK_TRAIN_OFF;
+	}
 
 	if (!HAS_PCH_CPT(dev) &&
 	    I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) {
@@ -2186,7 +2222,8 @@ intel_trans_dp_port_sel(struct drm_crtc *crtc)
 			continue;
 
 		intel_dp = enc_to_intel_dp(encoder);
-		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT)
+		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT ||
+		    intel_dp->base.type == INTEL_OUTPUT_EDP)
 			return intel_dp->output_reg;
 	}
 
-- 
GitLab


From 99ea7127a30bda29354e1ed3a75d80d5f9cfc2a7 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 1 Nov 2011 19:57:50 -0700
Subject: [PATCH 0681/1594] drm/i915: Let panel power sequencing hardware do
 its job

The panel power sequencing hardware tracks the stages of panel power
sequencing and signals when the panel is completely on or off. Instead
of blindly assuming the panel timings will work, poll the panel power
status register until it shows the correct values.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/gpu/drm/i915/i915_reg.h |  17 +++-
 drivers/gpu/drm/i915/intel_dp.c | 137 +++++++++++++++++---------------
 2 files changed, 85 insertions(+), 69 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a34e86630f26..b080cc824001 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1553,12 +1553,21 @@
  */
 #define   PP_READY		(1 << 30)
 #define   PP_SEQUENCE_NONE	(0 << 28)
-#define   PP_SEQUENCE_ON	(1 << 28)
-#define   PP_SEQUENCE_OFF	(2 << 28)
-#define   PP_SEQUENCE_MASK	0x30000000
+#define   PP_SEQUENCE_POWER_UP	(1 << 28)
+#define   PP_SEQUENCE_POWER_DOWN (2 << 28)
+#define   PP_SEQUENCE_MASK	(3 << 28)
+#define   PP_SEQUENCE_SHIFT	28
 #define   PP_CYCLE_DELAY_ACTIVE	(1 << 27)
-#define   PP_SEQUENCE_STATE_ON_IDLE (1 << 3)
 #define   PP_SEQUENCE_STATE_MASK 0x0000000f
+#define   PP_SEQUENCE_STATE_OFF_IDLE	(0x0 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_1	(0x1 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_2	(0x2 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_3	(0x3 << 0)
+#define   PP_SEQUENCE_STATE_ON_IDLE	(0x8 << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_0	(0x9 << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_2	(0xa << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_3	(0xb << 0)
+#define   PP_SEQUENCE_STATE_RESET	(0xf << 0)
 #define PP_CONTROL	0x61204
 #define   POWER_TARGET_ON	(1 << 0)
 #define PP_ON_DELAYS	0x61208
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index d1eabd4165c4..56106101d3f8 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -66,7 +66,6 @@ struct intel_dp {
 	struct drm_display_mode *panel_fixed_mode;  /* for eDP */
 	struct delayed_work panel_vdd_work;
 	bool want_panel_vdd;
-	unsigned long panel_off_jiffies;
 };
 
 /**
@@ -906,32 +905,53 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	}
 }
 
-static void ironlake_wait_panel_off(struct intel_dp *intel_dp)
+#define IDLE_ON_MASK		(PP_ON | 0 	  | PP_SEQUENCE_MASK | 0                     | PP_SEQUENCE_STATE_MASK)
+#define IDLE_ON_VALUE   	(PP_ON | 0 	  | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_ON_IDLE)
+
+#define IDLE_OFF_MASK		(PP_ON | 0        | PP_SEQUENCE_MASK | 0                     | PP_SEQUENCE_STATE_MASK)
+#define IDLE_OFF_VALUE		(0     | 0        | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_OFF_IDLE)
+
+#define IDLE_CYCLE_MASK		(PP_ON | 0        | PP_SEQUENCE_MASK | PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK)
+#define IDLE_CYCLE_VALUE	(0     | 0        | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_OFF_IDLE)
+
+static void ironlake_wait_panel_status(struct intel_dp *intel_dp,
+				       u32 mask,
+				       u32 value)
 {
-	unsigned long	off_time;
-	unsigned long	delay;
+	struct drm_device *dev = intel_dp->base.base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	DRM_DEBUG_KMS("Wait for panel power off time\n");
+	DRM_DEBUG_KMS("mask %08x value %08x status %08x control %08x\n",
+		      mask, value,
+		      I915_READ(PCH_PP_STATUS),
+		      I915_READ(PCH_PP_CONTROL));
 
-	if (ironlake_edp_have_panel_power(intel_dp) ||
-	    ironlake_edp_have_panel_vdd(intel_dp))
-	{
-		DRM_DEBUG_KMS("Panel still on, no delay needed\n");
-		return;
+	if (_wait_for((I915_READ(PCH_PP_STATUS) & mask) == value, 5000, 10)) {
+		DRM_ERROR("Panel status timeout: status %08x control %08x\n",
+			  I915_READ(PCH_PP_STATUS),
+			  I915_READ(PCH_PP_CONTROL));
 	}
+}
 
-	off_time = intel_dp->panel_off_jiffies + msecs_to_jiffies(intel_dp->panel_power_down_delay);
-	if (time_after(jiffies, off_time)) {
-		DRM_DEBUG_KMS("Time already passed");
-		return;
-	}
-	delay = jiffies_to_msecs(off_time - jiffies);
-	if (delay > intel_dp->panel_power_down_delay)
-		delay = intel_dp->panel_power_down_delay;
-	DRM_DEBUG_KMS("Waiting an additional %ld ms\n", delay);
-	msleep(delay);
+static void ironlake_wait_panel_on(struct intel_dp *intel_dp)
+{
+	DRM_DEBUG_KMS("Wait for panel power on\n");
+	ironlake_wait_panel_status(intel_dp, IDLE_ON_MASK, IDLE_ON_VALUE);
 }
 
+static void ironlake_wait_panel_off(struct intel_dp *intel_dp)
+{
+	DRM_DEBUG_KMS("Wait for panel power off time\n");
+	ironlake_wait_panel_status(intel_dp, IDLE_OFF_MASK, IDLE_OFF_VALUE);
+}
+
+static void ironlake_wait_panel_power_cycle(struct intel_dp *intel_dp)
+{
+	DRM_DEBUG_KMS("Wait for panel power cycle\n");
+	ironlake_wait_panel_status(intel_dp, IDLE_CYCLE_MASK, IDLE_CYCLE_VALUE);
+}
+
+
 /* Read the current pp_control value, unlocking the register if it
  * is locked
  */
@@ -959,12 +979,15 @@ static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
 	     "eDP VDD already requested on\n");
 
 	intel_dp->want_panel_vdd = true;
+
 	if (ironlake_edp_have_panel_vdd(intel_dp)) {
 		DRM_DEBUG_KMS("eDP VDD already on\n");
 		return;
 	}
 
-	ironlake_wait_panel_off(intel_dp);
+	if (!ironlake_edp_have_panel_power(intel_dp))
+		ironlake_wait_panel_power_cycle(intel_dp);
+
 	pp = ironlake_get_pp_control(dev_priv);
 	pp |= EDP_FORCE_VDD;
 	I915_WRITE(PCH_PP_CONTROL, pp);
@@ -996,7 +1019,8 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp)
 		/* Make sure sequencer is idle before allowing subsequent activity */
 		DRM_DEBUG_KMS("PCH_PP_STATUS: 0x%08x PCH_PP_CONTROL: 0x%08x\n",
 			      I915_READ(PCH_PP_STATUS), I915_READ(PCH_PP_CONTROL));
-		intel_dp->panel_off_jiffies = jiffies;
+
+		msleep(intel_dp->panel_power_down_delay);
 	}
 }
 
@@ -1034,21 +1058,25 @@ static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
 	}
 }
 
-/* Returns true if the panel was already on when called */
 static void ironlake_edp_panel_on(struct intel_dp *intel_dp)
 {
 	struct drm_device *dev = intel_dp->base.base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 pp, idle_on_mask = PP_ON | PP_SEQUENCE_STATE_ON_IDLE;
+	u32 pp;
 
 	if (!is_edp(intel_dp))
 		return;
-	if (ironlake_edp_have_panel_power(intel_dp))
+
+	DRM_DEBUG_KMS("Turn eDP power on\n");
+
+	if (ironlake_edp_have_panel_power(intel_dp)) {
+		DRM_DEBUG_KMS("eDP power already on\n");
 		return;
+	}
 
-	ironlake_wait_panel_off(intel_dp);
-	pp = ironlake_get_pp_control(dev_priv);
+	ironlake_wait_panel_power_cycle(intel_dp);
 
+	pp = ironlake_get_pp_control(dev_priv);
 	if (IS_GEN5(dev)) {
 		/* ILK workaround: disable reset around power sequence */
 		pp &= ~PANEL_POWER_RESET;
@@ -1057,13 +1085,13 @@ static void ironlake_edp_panel_on(struct intel_dp *intel_dp)
 	}
 
 	pp |= POWER_TARGET_ON;
+	if (!IS_GEN5(dev))
+		pp |= PANEL_POWER_RESET;
+
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
 
-	if (wait_for((I915_READ(PCH_PP_STATUS) & idle_on_mask) == idle_on_mask,
-		     5000))
-		DRM_ERROR("panel on wait timed out: 0x%08x\n",
-			  I915_READ(PCH_PP_STATUS));
+	ironlake_wait_panel_on(intel_dp);
 
 	if (IS_GEN5(dev)) {
 		pp |= PANEL_POWER_RESET; /* restore panel reset bit */
@@ -1072,44 +1100,25 @@ static void ironlake_edp_panel_on(struct intel_dp *intel_dp)
 	}
 }
 
-static void ironlake_edp_panel_off(struct drm_encoder *encoder)
+static void ironlake_edp_panel_off(struct intel_dp *intel_dp)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-	struct drm_device *dev = encoder->dev;
+	struct drm_device *dev = intel_dp->base.base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 pp, idle_off_mask = PP_ON | PP_SEQUENCE_MASK |
-		PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK;
+	u32 pp;
 
 	if (!is_edp(intel_dp))
 		return;
-	pp = ironlake_get_pp_control(dev_priv);
 
-	if (IS_GEN5(dev)) {
-		/* ILK workaround: disable reset around power sequence */
-		pp &= ~PANEL_POWER_RESET;
-		I915_WRITE(PCH_PP_CONTROL, pp);
-		POSTING_READ(PCH_PP_CONTROL);
-	}
-
-	intel_dp->panel_off_jiffies = jiffies;
+	DRM_DEBUG_KMS("Turn eDP power off\n");
 
-	if (IS_GEN5(dev)) {
-		pp &= ~POWER_TARGET_ON;
-		I915_WRITE(PCH_PP_CONTROL, pp);
-		POSTING_READ(PCH_PP_CONTROL);
-		pp &= ~POWER_TARGET_ON;
-		I915_WRITE(PCH_PP_CONTROL, pp);
-		POSTING_READ(PCH_PP_CONTROL);
-		msleep(intel_dp->panel_power_cycle_delay);
+	WARN(intel_dp->want_panel_vdd, "Cannot turn power off while VDD is on\n");
 
-		if (wait_for((I915_READ(PCH_PP_STATUS) & idle_off_mask) == 0, 5000))
-			DRM_ERROR("panel off wait timed out: 0x%08x\n",
-				  I915_READ(PCH_PP_STATUS));
+	pp = ironlake_get_pp_control(dev_priv);
+	pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE);
+	I915_WRITE(PCH_PP_CONTROL, pp);
+	POSTING_READ(PCH_PP_CONTROL);
 
-		pp |= PANEL_POWER_RESET; /* restore panel reset bit */
-		I915_WRITE(PCH_PP_CONTROL, pp);
-		POSTING_READ(PCH_PP_CONTROL);
-	}
+	ironlake_wait_panel_off(intel_dp);
 }
 
 static void ironlake_edp_backlight_on(struct intel_dp *intel_dp)
@@ -1223,7 +1232,7 @@ static void intel_dp_prepare(struct drm_encoder *encoder)
 	 */
 	ironlake_edp_backlight_off(intel_dp);
 	intel_dp_link_down(intel_dp);
-	ironlake_edp_panel_off(encoder);
+	ironlake_edp_panel_off(intel_dp);
 }
 
 static void intel_dp_commit(struct drm_encoder *encoder)
@@ -1237,7 +1246,6 @@ static void intel_dp_commit(struct drm_encoder *encoder)
 	intel_dp_start_link_train(intel_dp);
 	ironlake_edp_panel_on(intel_dp);
 	ironlake_edp_panel_vdd_off(intel_dp, true);
-
 	intel_dp_complete_link_train(intel_dp);
 	ironlake_edp_backlight_on(intel_dp);
 
@@ -1261,7 +1269,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 			ironlake_edp_backlight_off(intel_dp);
 		intel_dp_sink_dpms(intel_dp, mode);
 		intel_dp_link_down(intel_dp);
-		ironlake_edp_panel_off(encoder);
+		ironlake_edp_panel_off(intel_dp);
 		if (is_edp(intel_dp) && !is_pch_edp(intel_dp))
 			ironlake_edp_pll_off(encoder);
 		ironlake_edp_panel_vdd_off(intel_dp, false);
@@ -2398,11 +2406,10 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 		DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
 			      intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
 
-		intel_dp->panel_off_jiffies = jiffies - intel_dp->panel_power_down_delay;
-
 		ironlake_edp_panel_vdd_on(intel_dp);
 		ret = intel_dp_get_dpcd(intel_dp);
 		ironlake_edp_panel_vdd_off(intel_dp, false);
+
 		if (ret) {
 			if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11)
 				dev_priv->no_aux_handshake =
-- 
GitLab


From 21264c638b4f9179655a39436d0340bd0d4ab1de Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 1 Nov 2011 20:25:21 -0700
Subject: [PATCH 0682/1594] drm/i915: Make DP prepare/commit consistent with DP
 dpms

Make sure the sequence of operations in all three functions makes
sense:

 1) The backlight must be off unless the screen is running
 2) The link must be running to turn the eDP panel on/off
 3) The CPU eDP PLL must be running until everything is off

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 56106101d3f8..8e37fdd1fa2f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1222,17 +1222,18 @@ static void intel_dp_prepare(struct drm_encoder *encoder)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
+	ironlake_edp_backlight_off(intel_dp);
+	ironlake_edp_panel_off(intel_dp);
+
 	/* Wake up the sink first */
 	ironlake_edp_panel_vdd_on(intel_dp);
 	intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
+	intel_dp_link_down(intel_dp);
 	ironlake_edp_panel_vdd_off(intel_dp, false);
 
 	/* Make sure the panel is off before trying to
 	 * change the mode
 	 */
-	ironlake_edp_backlight_off(intel_dp);
-	intel_dp_link_down(intel_dp);
-	ironlake_edp_panel_off(intel_dp);
 }
 
 static void intel_dp_commit(struct drm_encoder *encoder)
@@ -1264,16 +1265,20 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 	uint32_t dp_reg = I915_READ(intel_dp->output_reg);
 
 	if (mode != DRM_MODE_DPMS_ON) {
+		ironlake_edp_backlight_off(intel_dp);
+		ironlake_edp_panel_off(intel_dp);
+
 		ironlake_edp_panel_vdd_on(intel_dp);
-		if (is_edp(intel_dp))
-			ironlake_edp_backlight_off(intel_dp);
 		intel_dp_sink_dpms(intel_dp, mode);
 		intel_dp_link_down(intel_dp);
-		ironlake_edp_panel_off(intel_dp);
-		if (is_edp(intel_dp) && !is_pch_edp(intel_dp))
-			ironlake_edp_pll_off(encoder);
 		ironlake_edp_panel_vdd_off(intel_dp, false);
+
+		if (is_cpu_edp(intel_dp))
+			ironlake_edp_pll_off(encoder);
 	} else {
+		if (is_cpu_edp(intel_dp))
+			ironlake_edp_pll_on(encoder);
+
 		ironlake_edp_panel_vdd_on(intel_dp);
 		intel_dp_sink_dpms(intel_dp, mode);
 		if (!(dp_reg & DP_PORT_EN)) {
@@ -1281,7 +1286,6 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 			ironlake_edp_panel_on(intel_dp);
 			ironlake_edp_panel_vdd_off(intel_dp, true);
 			intel_dp_complete_link_train(intel_dp);
-			ironlake_edp_backlight_on(intel_dp);
 		} else
 			ironlake_edp_panel_vdd_off(intel_dp, false);
 		ironlake_edp_backlight_on(intel_dp);
-- 
GitLab


From cdb0e95bf571dccc1f75fef9bdad21b167ef0b37 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 1 Nov 2011 20:00:06 -0700
Subject: [PATCH 0683/1594] drm/i915: Try harder during dp pattern 1 link
 training

Instead of going through the sequence just once, run through the whole
set up to 5 times to see if something can work. This isn't part of the
DP spec, but the BIOS seems to do it, and given that link training
failure is so bad, it seems reasonable to follow suit.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8e37fdd1fa2f..7101b8b4f8b4 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1581,7 +1581,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 	int i;
 	uint8_t voltage;
 	bool clock_recovery = false;
-	int tries;
+	int voltage_tries, loop_tries;
 	u32 reg;
 	uint32_t DP = intel_dp->DP;
 
@@ -1608,7 +1608,8 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 		DP &= ~DP_LINK_TRAIN_MASK;
 	memset(intel_dp->train_set, 0, 4);
 	voltage = 0xff;
-	tries = 0;
+	voltage_tries = 0;
+	loop_tries = 0;
 	clock_recovery = false;
 	for (;;) {
 		/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
@@ -1651,16 +1652,26 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 		for (i = 0; i < intel_dp->lane_count; i++)
 			if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
 				break;
-		if (i == intel_dp->lane_count)
-			break;
+		if (i == intel_dp->lane_count) {
+			++loop_tries;
+			if (loop_tries == 5) {
+				DRM_DEBUG_KMS("too many full retries, give up\n");
+				break;
+			}
+			memset(intel_dp->train_set, 0, 4);
+			voltage_tries = 0;
+			continue;
+		}
 
 		/* Check to see if we've tried the same voltage 5 times */
 		if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
-			++tries;
-			if (tries == 5)
+			++voltage_tries;
+			if (voltage_tries == 5) {
+				DRM_DEBUG_KMS("too many voltage retries, give up\n");
 				break;
+			}
 		} else
-			tries = 0;
+			voltage_tries = 0;
 		voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
 
 		/* Compute new intel_dp->train_set as requested by target */
-- 
GitLab


From f2e8b18af95358cf5407bf263cba04fc4c379123 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 1 Nov 2011 20:01:35 -0700
Subject: [PATCH 0684/1594] drm/i915: Remove trailing white space

Found a couple of bare tabs in intel_dp.c

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 7101b8b4f8b4..7bdf77e79798 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1042,7 +1042,7 @@ static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
 
 	DRM_DEBUG_KMS("Turn eDP VDD off %d\n", intel_dp->want_panel_vdd);
 	WARN(!intel_dp->want_panel_vdd, "eDP VDD not forced on");
-	
+
 	intel_dp->want_panel_vdd = false;
 
 	if (sync) {
@@ -2388,7 +2388,7 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 
 		cur.t8 = (pp_on & PANEL_LIGHT_ON_DELAY_MASK) >>
 			PANEL_LIGHT_ON_DELAY_SHIFT;
-		
+
 		cur.t9 = (pp_off & PANEL_LIGHT_OFF_DELAY_MASK) >>
 			PANEL_LIGHT_OFF_DELAY_SHIFT;
 
-- 
GitLab


From b34f1f0931575bf1e1483472a5202b8247fa9b10 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 2 Nov 2011 10:17:59 -0700
Subject: [PATCH 0685/1594] drm/i915: Initiate DP link training only on the
 lanes we'll be using

Limit the link training setting command to the lanes needed for the
current mode. It seems vaguely possible that a monitor will try to
train the other lanes and fail in some way, so this seems like the
safer plan.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 7bdf77e79798..8c3819b02a7f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1564,8 +1564,9 @@ intel_dp_set_link_train(struct intel_dp *intel_dp,
 
 	ret = intel_dp_aux_native_write(intel_dp,
 					DP_TRAINING_LANE0_SET,
-					intel_dp->train_set, 4);
-	if (ret != 4)
+					intel_dp->train_set,
+					intel_dp->lane_count);
+	if (ret != intel_dp->lane_count)
 		return false;
 
 	return true;
-- 
GitLab


From 9a10f401a401ca69c6537641c8fc0d6b57b5aee8 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 2 Nov 2011 13:03:47 -0700
Subject: [PATCH 0686/1594] drm/i915: Use DPCD value for max DP lanes.

The BIOS VBT value for an eDP panel has been shown to be incorrect on
one machine, and we haven't found any machines where the DPCD value
was wrong, so we'll use the DPCD value everywhere.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8c3819b02a7f..ec28aebf5147 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -154,16 +154,12 @@ intel_edp_link_config(struct intel_encoder *intel_encoder,
 static int
 intel_dp_max_lane_count(struct intel_dp *intel_dp)
 {
-	int max_lane_count = 4;
-
-	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) {
-		max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
-		switch (max_lane_count) {
-		case 1: case 2: case 4:
-			break;
-		default:
-			max_lane_count = 4;
-		}
+	int max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
+	switch (max_lane_count) {
+	case 1: case 2: case 4:
+		break;
+	default:
+		max_lane_count = 4;
 	}
 	return max_lane_count;
 }
@@ -765,12 +761,11 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 			continue;
 
 		intel_dp = enc_to_intel_dp(encoder);
-		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT || is_pch_edp(intel_dp)) {
+		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT ||
+		    intel_dp->base.type == INTEL_OUTPUT_EDP)
+		{
 			lane_count = intel_dp->lane_count;
 			break;
-		} else if (is_cpu_edp(intel_dp)) {
-			lane_count = dev_priv->edp.lanes;
-			break;
 		}
 	}
 
-- 
GitLab


From ba28c9aae26ef7f3651eef6835fae30a979f88ba Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Thu, 6 Oct 2011 02:53:38 +0000
Subject: [PATCH 0687/1594] powerpc: Revert show_regs() define for readability

We had an existing ifdef for 4xx & BOOKE processors that got changed to
CONFIG_PPC_ADV_DEBUG_REGS.  The define has nothing to do with
CONFIG_PPC_ADV_DEBUG_REGS.  The define really should be:

 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)

and not

 #ifdef CONFIG_PPC_ADV_DEBUG_REGS

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/process.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 9054ca9ab4f9..ad3612af0a04 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -657,7 +657,7 @@ void show_regs(struct pt_regs * regs)
 	if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR))
 		printk("CFAR: "REG"\n", regs->orig_gpr3);
 	if (trap == 0x300 || trap == 0x600)
-#ifdef CONFIG_PPC_ADV_DEBUG_REGS
+#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
 		printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr);
 #else
 		printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
-- 
GitLab


From b95bc2191412f5ecf2781c966110a13fa82a80d3 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Thu, 6 Oct 2011 02:53:39 +0000
Subject: [PATCH 0688/1594] powerpc: Remove extraneous
 CONFIG_PPC_ADV_DEBUG_REGS define

All of DebugException is already protected by CONFIG_PPC_ADV_DEBUG_REGS
there is no need to have another such ifdef inside the function.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/traps.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 4e5908264d1a..5459d148a0f6 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1298,14 +1298,12 @@ void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status)
 
 		if (user_mode(regs)) {
 			current->thread.dbcr0 &= ~DBCR0_IC;
-#ifdef CONFIG_PPC_ADV_DEBUG_REGS
 			if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0,
 					       current->thread.dbcr1))
 				regs->msr |= MSR_DE;
 			else
 				/* Make sure the IDM bit is off */
 				current->thread.dbcr0 &= ~DBCR0_IDM;
-#endif
 		}
 
 		_exception(SIGTRAP, regs, TRAP_TRACE, regs->nip);
-- 
GitLab


From 187b9f2aa769198daa7cf8054abb65a08b8d8b47 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Thu, 6 Oct 2011 02:53:40 +0000
Subject: [PATCH 0689/1594] powerpc/book3e-64: Fix debug support for userspace

With the introduction of CONFIG_PPC_ADV_DEBUG_REGS user space debug is
broken on Book-E 64-bit parts that support delayed debug events.  When
switch_booke_debug_regs() sets DBCR0 we'll start getting debug events as
MSR_DE is also set and we aren't able to handle debug events from kernel
space.

We can remove the hack that always enables MSR_DE and loads up DBCR0 and
just utilize switch_booke_debug_regs() to get user space debug working
again.

We still need to handle critical/debug exception stacks & proper
save/restore of state for those exception levles to support debug events
from kernel space like we have on 32-bit.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/reg_booke.h |  2 +-
 arch/powerpc/kernel/process.c        | 22 ----------------------
 2 files changed, 1 insertion(+), 23 deletions(-)

diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 28cdbd9f399c..03c48e819c8e 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -31,7 +31,7 @@
 
 #define MSR_		MSR_ME | MSR_CE
 #define MSR_KERNEL	MSR_ | MSR_64BIT
-#define MSR_USER32	MSR_ | MSR_PR | MSR_EE | MSR_DE
+#define MSR_USER32	MSR_ | MSR_PR | MSR_EE
 #define MSR_USER64	MSR_USER32 | MSR_64BIT
 #elif defined (CONFIG_40x)
 #define MSR_KERNEL	(MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index ad3612af0a04..6457574c0b2f 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -486,28 +486,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
 	new_thread = &new->thread;
 	old_thread = &current->thread;
 
-#if defined(CONFIG_PPC_BOOK3E_64)
-	/* XXX Current Book3E code doesn't deal with kernel side DBCR0,
-	 * we always hold the user values, so we set it now.
-	 *
-	 * However, we ensure the kernel MSR:DE is appropriately cleared too
-	 * to avoid spurrious single step exceptions in the kernel.
-	 *
-	 * This will have to change to merge with the ppc32 code at some point,
-	 * but I don't like much what ppc32 is doing today so there's some
-	 * thinking needed there
-	 */
-	if ((new_thread->dbcr0 | old_thread->dbcr0) & DBCR0_IDM) {
-		u32 dbcr0;
-
-		mtmsr(mfmsr() & ~MSR_DE);
-		isync();
-		dbcr0 = mfspr(SPRN_DBCR0);
-		dbcr0 = (dbcr0 & DBCR0_EDM) | new_thread->dbcr0;
-		mtspr(SPRN_DBCR0, dbcr0);
-	}
-#endif /* CONFIG_PPC64_BOOK3E */
-
 #ifdef CONFIG_PPC64
 	/*
 	 * Collect processor utilization data per process
-- 
GitLab


From a9a8f77ac72d6dd3c92ea268291678836f77681c Mon Sep 17 00:00:00 2001
From: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Date: Mon, 7 Nov 2011 13:30:43 +0000
Subject: [PATCH 0690/1594] powerpc: Remove buggy 9-year-old test for binutils
 < 2.12.1

Recent binutils refuses to assemble AltiVec opcodes when in e500/SPE
mode, as some of those opcodes alias the "SPE" instructions.  This
triggers an ancient binutils version check even when building a kernel
with CONFIG_ALTIVEC disabled.

In theory, the check could be conditionalized on CONFIG_ALTIVEC, but in
practice it has long outlived its utility.  It is virtually impossible
to find binutils older than 2.12.1 (released 2002) in the wild anymore.
Even ancient RedHat Enterprise Linux 4 has binutils-2.14.

To fix the kernel build when done natively on e500 systems with this new
binutils, the test is simply removed.

Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/Makefile | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 57af16edc192..70ba0c0a1223 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -255,12 +255,6 @@ checkbin:
 		echo 'disable kernel modules' ; \
 		false ; \
 	fi
-	@if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
-		echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
-		echo 'correctly with old versions of binutils.' ; \
-		echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \
-		false ; \
-	fi
 
 CLEAN_FILES += $(TOUT)
 
-- 
GitLab


From b97021f85517552ea8a0d2c1680c1ee4beab6d14 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 15 Nov 2011 17:11:27 +0000
Subject: [PATCH 0691/1594] powerpc: Fix atomic_xxx_return barrier semantics

The Documentation/memory-barriers.txt document requires that atomic
operations that return a value act as a memory barrier both before
and after the actual atomic operation.

Our current implementation doesn't guarantee this. More specifically,
while a load following the isync can not be issued before stwcx. has
completed, that completion doesn't architecturally means that the
result of stwcx. is visible to other processors (or any previous stores
for that matter) (typically, the other processors L1 caches can still
hold the old value).

This has caused an actual crash in RCU torture testing on Power 7

This fixes it by changing those atomic ops to use new macros instead
of RELEASE/ACQUIRE barriers, called ATOMIC_ENTRY and ATMOIC_EXIT barriers,
which are then defined respectively to lwsync and sync.

I haven't had a chance to measure the performance impact (or rather
what I measured with kernel compiles is in the noise, I yet have to
find a more precise benchmark)

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/atomic.h | 48 +++++++++++++++----------------
 arch/powerpc/include/asm/bitops.h | 12 ++++----
 arch/powerpc/include/asm/futex.h  |  7 +++--
 arch/powerpc/include/asm/synch.h  |  8 ++++--
 4 files changed, 40 insertions(+), 35 deletions(-)

diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index e2a4c26ad377..02e41b53488d 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -49,13 +49,13 @@ static __inline__ int atomic_add_return(int a, atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%2		# atomic_add_return\n\
 	add	%0,%1,%0\n"
 	PPC405_ERR77(0,%2)
 "	stwcx.	%0,0,%2 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (a), "r" (&v->counter)
 	: "cc", "memory");
@@ -85,13 +85,13 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%2		# atomic_sub_return\n\
 	subf	%0,%1,%0\n"
 	PPC405_ERR77(0,%2)
 "	stwcx.	%0,0,%2 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (a), "r" (&v->counter)
 	: "cc", "memory");
@@ -119,13 +119,13 @@ static __inline__ int atomic_inc_return(atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%1		# atomic_inc_return\n\
 	addic	%0,%0,1\n"
 	PPC405_ERR77(0,%1)
 "	stwcx.	%0,0,%1 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (&v->counter)
 	: "cc", "xer", "memory");
@@ -163,13 +163,13 @@ static __inline__ int atomic_dec_return(atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%1		# atomic_dec_return\n\
 	addic	%0,%0,-1\n"
 	PPC405_ERR77(0,%1)
 "	stwcx.	%0,0,%1\n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (&v->counter)
 	: "cc", "xer", "memory");
@@ -194,7 +194,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
 	int t;
 
 	__asm__ __volatile__ (
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%1		# __atomic_add_unless\n\
 	cmpw	0,%0,%3 \n\
 	beq-	2f \n\
@@ -202,7 +202,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
 	PPC405_ERR77(0,%2)
 "	stwcx.	%0,0,%1 \n\
 	bne-	1b \n"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 "	subf	%0,%2,%0 \n\
 2:"
 	: "=&r" (t)
@@ -226,7 +226,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%1		# atomic_dec_if_positive\n\
 	cmpwi	%0,1\n\
 	addi	%0,%0,-1\n\
@@ -234,7 +234,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
 	PPC405_ERR77(0,%1)
 "	stwcx.	%0,0,%1\n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	"\n\
 2:"	: "=&b" (t)
 	: "r" (&v->counter)
@@ -285,12 +285,12 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%2		# atomic64_add_return\n\
 	add	%0,%1,%0\n\
 	stdcx.	%0,0,%2 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (a), "r" (&v->counter)
 	: "cc", "memory");
@@ -319,12 +319,12 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%2		# atomic64_sub_return\n\
 	subf	%0,%1,%0\n\
 	stdcx.	%0,0,%2 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (a), "r" (&v->counter)
 	: "cc", "memory");
@@ -351,12 +351,12 @@ static __inline__ long atomic64_inc_return(atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%1		# atomic64_inc_return\n\
 	addic	%0,%0,1\n\
 	stdcx.	%0,0,%1 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (&v->counter)
 	: "cc", "xer", "memory");
@@ -393,12 +393,12 @@ static __inline__ long atomic64_dec_return(atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%1		# atomic64_dec_return\n\
 	addic	%0,%0,-1\n\
 	stdcx.	%0,0,%1\n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (&v->counter)
 	: "cc", "xer", "memory");
@@ -418,13 +418,13 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v)
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%1		# atomic64_dec_if_positive\n\
 	addic.	%0,%0,-1\n\
 	blt-	2f\n\
 	stdcx.	%0,0,%1\n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	"\n\
 2:"	: "=&r" (t)
 	: "r" (&v->counter)
@@ -450,14 +450,14 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
 	long t;
 
 	__asm__ __volatile__ (
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%1		# __atomic_add_unless\n\
 	cmpd	0,%0,%3 \n\
 	beq-	2f \n\
 	add	%0,%2,%0 \n"
 "	stdcx.	%0,0,%1 \n\
 	bne-	1b \n"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 "	subf	%0,%2,%0 \n\
 2:"
 	: "=&r" (t)
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index e137afcc10fa..efdc92618b38 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -124,14 +124,14 @@ static __inline__ unsigned long fn(			\
 	return (old & mask);				\
 }
 
-DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER,
-	      PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_set_bits, or, PPC_ATOMIC_ENTRY_BARRIER,
+	      PPC_ATOMIC_EXIT_BARRIER, 0)
 DEFINE_TESTOP(test_and_set_bits_lock, or, "",
 	      PPC_ACQUIRE_BARRIER, 1)
-DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER,
-	      PPC_ACQUIRE_BARRIER, 0)
-DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER,
-	      PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_clear_bits, andc, PPC_ATOMIC_ENTRY_BARRIER,
+	      PPC_ATOMIC_EXIT_BARRIER, 0)
+DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER,
+	      PPC_ATOMIC_EXIT_BARRIER, 0)
 
 static __inline__ int test_and_set_bit(unsigned long nr,
 				       volatile unsigned long *addr)
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
index c94e4a3fe2ef..2a9cf845473b 100644
--- a/arch/powerpc/include/asm/futex.h
+++ b/arch/powerpc/include/asm/futex.h
@@ -11,12 +11,13 @@
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile ( \
-	PPC_RELEASE_BARRIER \
+	PPC_ATOMIC_ENTRY_BARRIER \
 "1:	lwarx	%0,0,%2\n" \
 	insn \
 	PPC405_ERR77(0, %2) \
 "2:	stwcx.	%1,0,%2\n" \
 	"bne-	1b\n" \
+	PPC_ATOMIC_EXIT_BARRIER \
 	"li	%1,0\n" \
 "3:	.section .fixup,\"ax\"\n" \
 "4:	li	%1,%3\n" \
@@ -92,14 +93,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 		return -EFAULT;
 
         __asm__ __volatile__ (
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %1,0,%3         # futex_atomic_cmpxchg_inatomic\n\
         cmpw    0,%1,%4\n\
         bne-    3f\n"
         PPC405_ERR77(0,%3)
 "2:     stwcx.  %5,0,%3\n\
         bne-    1b\n"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
 "3:	.section .fixup,\"ax\"\n\
 4:	li	%0,%6\n\
 	b	3b\n\
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index 87878c68d1c2..e682a7143edb 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h
@@ -42,11 +42,15 @@ static inline void isync(void)
 	START_LWSYNC_SECTION(97);			\
 	isync;						\
 	MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup);
-#define PPC_ACQUIRE_BARRIER	"\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
-#define PPC_RELEASE_BARRIER	stringify_in_c(LWSYNC) "\n"
+#define PPC_ACQUIRE_BARRIER	 "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
+#define PPC_RELEASE_BARRIER	 stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_EXIT_BARRIER	 "\n" stringify_in_c(sync) "\n"
 #else
 #define PPC_ACQUIRE_BARRIER
 #define PPC_RELEASE_BARRIER
+#define PPC_ATOMIC_ENTRY_BARRIER
+#define PPC_ATOMIC_EXIT_BARRIER
 #endif
 
 #endif /* __KERNEL__ */
-- 
GitLab


From a313f4c55d4952f2105fe33a4957ed858e998359 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Tue, 8 Nov 2011 04:51:19 +0000
Subject: [PATCH 0692/1594] powerpc/signal32: Fix sigset_t conversion when
 copying to user

On PPC64, put_sigset_t converts a sigset_t to a compat_sigset_t
before copying it to userspace. There is a typo in the case that
we have 4 words to copy, meaning that we corrupt the compat_sigset_t.

It appears that _NSIG_WORDS can't be greater than 2 at the moment
so this code is probably always optimised away anyway.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/signal_32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 78b76dc54dfb..836a5a19eb2c 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -97,7 +97,7 @@ static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set)
 	compat_sigset_t	cset;
 
 	switch (_NSIG_WORDS) {
-	case 4: cset.sig[5] = set->sig[3] & 0xffffffffull;
+	case 4: cset.sig[6] = set->sig[3] & 0xffffffffull;
 		cset.sig[7] = set->sig[3] >> 32;
 	case 3: cset.sig[4] = set->sig[2] & 0xffffffffull;
 		cset.sig[5] = set->sig[2] >> 32;
-- 
GitLab


From ff956135008bca99b5e38f48f0d10a2c04fef2d6 Mon Sep 17 00:00:00 2001
From: Rob Herring <rob.herring@calxeda.com>
Date: Tue, 15 Nov 2011 21:00:56 -0600
Subject: [PATCH 0693/1594] [libata] ahci_platform: fix DT probing

The change in commit 904c04feaf13ed "ahci_platform: Add the board_ids..."
doesn't work for the DT probing case as platform_get_device_id returns
NULL. Pick the default ahci_port_info in this case.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Cc: Richard Zhu <richard.zhu@linaro.org>
Cc: linux-ide@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/ahci_platform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index ec555951176e..43b875810d1b 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -67,7 +67,7 @@ static int __init ahci_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct ahci_platform_data *pdata = dev_get_platdata(dev);
 	const struct platform_device_id *id = platform_get_device_id(pdev);
-	struct ata_port_info pi = ahci_port_info[id->driver_data];
+	struct ata_port_info pi = ahci_port_info[id ? id->driver_data : 0];
 	const struct ata_port_info *ppi[] = { &pi, NULL };
 	struct ahci_host_priv *hpriv;
 	struct ata_host *host;
-- 
GitLab


From aab9440453d19c1885fa391d4aafd7705f316247 Mon Sep 17 00:00:00 2001
From: Alexander Beregalov <a.beregalov@gmail.com>
Date: Sun, 13 Nov 2011 01:30:56 +0400
Subject: [PATCH 0694/1594] libata: fix build without BMDMA

fix these errors:
drivers/ata/libata-sff.c:2538:3: error: implicit declaration of function
'ata_pci_bmdma_prepare_host'
drivers/ata/libata-sff.c:2549:40: error: 'ata_bmdma_interrupt'
undeclared (first use in this function)

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-sff.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 63d53277d6a9..4cadfa28f940 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2533,10 +2533,12 @@ static int ata_pci_init_one(struct pci_dev *pdev,
 	if (rc)
 		goto out;
 
+#ifdef CONFIG_ATA_BMDMA
 	if (bmdma)
 		/* prepare and activate BMDMA host */
 		rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
 	else
+#endif
 		/* prepare and activate SFF host */
 		rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
 	if (rc)
@@ -2544,10 +2546,12 @@ static int ata_pci_init_one(struct pci_dev *pdev,
 	host->private_data = host_priv;
 	host->flags |= hflags;
 
+#ifdef CONFIG_ATA_BMDMA
 	if (bmdma) {
 		pci_set_master(pdev);
 		rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
 	} else
+#endif
 		rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);
 out:
 	if (rc == 0)
-- 
GitLab


From bbc1754639f771cd2b515fed39b977549b373034 Mon Sep 17 00:00:00 2001
From: Francesco Virlinzi <francesco.virlinzi@st.com>
Date: Wed, 16 Nov 2011 21:57:58 +0000
Subject: [PATCH 0695/1594] stmmac: use mdelay on timeout of sw reset

This patch uses an mdelay to manage the timeout on
sw reset to be independant of cpu_clk.

Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com>
Reviewed-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c | 3 ++-
 drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c  | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
index da66ac511c4c..4d5402a1d262 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -39,10 +39,11 @@ static int dwmac1000_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx,
 	/* DMA SW reset */
 	value |= DMA_BUS_MODE_SFT_RESET;
 	writel(value, ioaddr + DMA_BUS_MODE);
-	limit = 15000;
+	limit = 10;
 	while (limit--) {
 		if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
 			break;
+		mdelay(10);
 	}
 	if (limit < 0)
 		return -EBUSY;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
index 627f656b0f3c..bc17fd08b55d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
@@ -41,10 +41,11 @@ static int dwmac100_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx,
 	/* DMA SW reset */
 	value |= DMA_BUS_MODE_SFT_RESET;
 	writel(value, ioaddr + DMA_BUS_MODE);
-	limit = 15000;
+	limit = 10;
 	while (limit--) {
 		if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
 			break;
+		mdelay(10);
 	}
 	if (limit < 0)
 		return -EBUSY;
-- 
GitLab


From c5b9b4e4b9076089fe7f9d4f5d1f2bba776646d2 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Date: Wed, 16 Nov 2011 21:57:59 +0000
Subject: [PATCH 0696/1594] stmmac: fix advertising 1000Base capabilties for
 non GMII iface

This patch fixes the way to stop the 1000Base advertising
capabilties for non GMII interfaces.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 20546bbbb8db..e079762a796e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -321,12 +321,10 @@ static int stmmac_init_phy(struct net_device *dev)
 	}
 
 	/* Stop Advertising 1000BASE Capability if interface is not GMII */
-	if ((interface) && ((interface == PHY_INTERFACE_MODE_MII) ||
-	    (interface == PHY_INTERFACE_MODE_RMII))) {
-		phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
-				      SUPPORTED_Asym_Pause);
-		phydev->advertising = phydev->supported;
-	}
+	if ((interface == PHY_INTERFACE_MODE_MII) ||
+	    (interface == PHY_INTERFACE_MODE_RMII))
+		phydev->advertising &= ~(SUPPORTED_1000baseT_Half |
+					 SUPPORTED_1000baseT_Full);
 
 	/*
 	 * Broken HW is sometimes missing the pull-up resistor on the
-- 
GitLab


From 19e30c14371f7afd38d1d35a693b96423a4db144 Mon Sep 17 00:00:00 2001
From: Giuseppe CAVALLARO <peppe.cavallaro@st.com>
Date: Wed, 16 Nov 2011 21:58:00 +0000
Subject: [PATCH 0697/1594] stmmac: parameters auto-tuning through HW cap reg

New GMAC devices (newer than the databook 3.50a) have the
HW capability register that provides which features are actually
supported by the hardware.

On old devices many information have to be passed through the
platform, for example: enhanced descriptor structure,
TX COE etc. These are mandatory to properly configure the driver.
This remains still valid because the driver has to support old
Synopsys devices but now it's also able to override them using the
values from the HW capability register if supported.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac.h  |  2 +-
 .../ethernet/stmicro/stmmac/stmmac_ethtool.c  |  6 ++
 .../net/ethernet/stmicro/stmmac/stmmac_main.c | 93 +++++++++++++------
 3 files changed, 72 insertions(+), 29 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index 9bafa6cf9e8b..a140a8fbf051 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -72,7 +72,6 @@ struct stmmac_priv {
 	spinlock_t lock;
 	spinlock_t tx_lock;
 	int wolopts;
-	int wolenabled;
 	int wol_irq;
 #ifdef CONFIG_STMMAC_TIMER
 	struct stmmac_timer *tm;
@@ -80,6 +79,7 @@ struct stmmac_priv {
 	struct plat_stmmacenet_data *plat;
 	struct stmmac_counters mmc;
 	struct dma_features dma_cap;
+	int hw_cap_support;
 };
 
 extern int stmmac_mdio_unregister(struct net_device *ndev);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index e8eff09bbbd7..0395f9eba801 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -430,6 +430,12 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	struct stmmac_priv *priv = netdev_priv(dev);
 	u32 support = WAKE_MAGIC | WAKE_UCAST;
 
+	/* By default almost all GMAC devices support the WoL via
+	 * magic frame but we can disable it if the HW capability
+	 * register shows no support for pmt_magic_frame. */
+	if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
+		wol->wolopts &= ~WAKE_MAGIC;
+
 	if (!device_can_wakeup(priv->device))
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e079762a796e..7f3ffd3742d8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -805,8 +805,29 @@ static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
 	return 0;
 }
 
-/* New GMAC chips support a new register to indicate the
- * presence of the optional feature/functions.
+/**
+ * stmmac_selec_desc_mode
+ * @dev : device pointer
+ * Description: select the Enhanced/Alternate or Normal descriptors */
+static void stmmac_selec_desc_mode(struct stmmac_priv *priv)
+{
+	if (priv->plat->enh_desc) {
+		pr_info(" Enhanced/Alternate descriptors\n");
+		priv->hw->desc = &enh_desc_ops;
+	} else {
+		pr_info(" Normal descriptors\n");
+		priv->hw->desc = &ndesc_ops;
+	}
+}
+
+/**
+ * stmmac_get_hw_features
+ * @priv : private device pointer
+ * Description:
+ *  new GMAC chip generations have a new register to indicate the
+ *  presence of the optional feature/functions.
+ *  This can be also used to override the value passed through the
+ *  platform and necessary for old MAC10/100 and GMAC chips.
  */
 static int stmmac_get_hw_features(struct stmmac_priv *priv)
 {
@@ -827,7 +848,7 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv)
 			(hw_cap & DMA_HW_FEAT_RWKSEL) >> 9;
 		priv->dma_cap.pmt_magic_frame =
 			(hw_cap & DMA_HW_FEAT_MGKSEL) >> 10;
-		/*MMC*/
+		/* MMC */
 		priv->dma_cap.rmon = (hw_cap & DMA_HW_FEAT_MMCSEL) >> 11;
 		/* IEEE 1588-2002*/
 		priv->dma_cap.time_stamp =
@@ -855,8 +876,7 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv)
 		priv->dma_cap.enh_desc =
 			(hw_cap & DMA_HW_FEAT_ENHDESSEL) >> 24;
 
-	} else
-		pr_debug("\tNo HW DMA feature register supported");
+	}
 
 	return hw_cap;
 }
@@ -911,6 +931,44 @@ static int stmmac_open(struct net_device *dev)
 		goto open_error;
 	}
 
+	stmmac_get_synopsys_id(priv);
+
+	priv->hw_cap_support = stmmac_get_hw_features(priv);
+
+	if (priv->hw_cap_support) {
+		pr_info(" Support DMA HW capability register");
+
+		/* We can override some gmac/dma configuration fields: e.g.
+		 * enh_desc, tx_coe (e.g. that are passed through the
+		 * platform) with the values from the HW capability
+		 * register (if supported).
+		 */
+		priv->plat->enh_desc = priv->dma_cap.enh_desc;
+		priv->plat->tx_coe = priv->dma_cap.tx_coe;
+		priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
+
+		/* By default disable wol on magic frame if not supported */
+		if (!priv->dma_cap.pmt_magic_frame)
+			priv->wolopts &= ~WAKE_MAGIC;
+
+	} else
+		pr_info(" No HW DMA feature register supported");
+
+	/* Select the enhnaced/normal descriptor structures */
+	stmmac_selec_desc_mode(priv);
+
+	/* PMT module is not integrated in all the MAC devices. */
+	if (priv->plat->pmt) {
+		pr_info(" Remote wake-up capable\n");
+		device_set_wakeup_capable(priv->device, 1);
+	}
+
+	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
+	if (priv->rx_coe)
+		pr_info(" Checksum Offload Engine supported\n");
+	if (priv->plat->tx_coe)
+		pr_info(" Checksum insertion supported\n");
+
 	/* Create and initialize the TX/RX descriptors chains. */
 	priv->dma_tx_size = STMMAC_ALIGN(dma_txsize);
 	priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
@@ -933,15 +991,6 @@ static int stmmac_open(struct net_device *dev)
 	/* Initialize the MAC Core */
 	priv->hw->mac->core_init(priv->ioaddr);
 
-	stmmac_get_synopsys_id(priv);
-
-	stmmac_get_hw_features(priv);
-
-	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
-	if (priv->rx_coe)
-		pr_info("stmmac: Rx Checksum Offload Engine supported\n");
-	if (priv->plat->tx_coe)
-		pr_info("\tTX Checksum insertion supported\n");
 	netdev_update_features(dev);
 
 	/* Request the IRQ lines */
@@ -1556,7 +1605,7 @@ static int stmmac_sysfs_dma_cap_read(struct seq_file *seq, void *v)
 	struct net_device *dev = seq->private;
 	struct stmmac_priv *priv = netdev_priv(dev);
 
-	if (!stmmac_get_hw_features(priv)) {
+	if (!priv->hw_cap_support) {
 		seq_printf(seq, "DMA HW features not supported\n");
 		return 0;
 	}
@@ -1764,12 +1813,6 @@ static int stmmac_mac_device_setup(struct net_device *dev)
 	if (!device)
 		return -ENOMEM;
 
-	if (priv->plat->enh_desc) {
-		device->desc = &enh_desc_ops;
-		pr_info("\tEnhanced descriptor structure\n");
-	} else
-		device->desc = &ndesc_ops;
-
 	priv->hw = device;
 	priv->hw->ring = &ring_mode_ops;
 
@@ -1843,11 +1886,6 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
 
 	priv->ioaddr = addr;
 
-	/* PMT module is not integrated in all the MAC devices. */
-	if (plat_dat->pmt) {
-		pr_info("\tPMT module supported\n");
-		device_set_wakeup_capable(&pdev->dev, 1);
-	}
 	/*
 	 * On some platforms e.g. SPEAr the wake up irq differs from the mac irq
 	 * The external wake up irq can be passed through the platform code
@@ -1860,7 +1898,6 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
 	if (priv->wol_irq == -ENXIO)
 		priv->wol_irq = ndev->irq;
 
-
 	platform_set_drvdata(pdev, ndev);
 
 	/* Set the I/O base addr */
@@ -1873,7 +1910,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
 			goto out_free_ndev;
 	}
 
-	/* MAC HW revice detection */
+	/* MAC HW device detection */
 	ret = stmmac_mac_device_setup(ndev);
 	if (ret < 0)
 		goto out_plat_exit;
-- 
GitLab


From 989508ba60da6dce79f8aaee1be6c092fd4c67f8 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Date: Wed, 16 Nov 2011 21:58:01 +0000
Subject: [PATCH 0698/1594] stmmac: remove spin_lock in stmmac_ioctl.

This patch removes un-needed spin_lock in stmmac_ioctl while reading and
writing mdio registers. While holding spin_lock the code must be
atomic, which is not true in this case as both mdiobus_read and writes
have mutex locks.

Without this patch reading mdio registers via mii-tool results in below
BUG:
mii-tool -vvv eth0"
Using SIOCGMIIPHY=0x8947
BUG: sleeping function called from invalid context at kernel/mutex.c:287
in_atomic(): 1, irqs_disabled(): 0, pid: 614, name: mii-tool
2 locks held by mii-tool/614:
 #0:  (rtnl_mutex){......}, at: [<c01fd80c>] dev_ioctl+0x550/0x674
 #1:  (&priv->lock){......}, at: [<c01b34ec>] stmmac_ioctl+0x4c/0x78
[<c002ea14>] (unwind_backtrace+0x0/0xcc) from [<c0272c38>]
(mutex_lock_nested+0x24/0x35c)
[<c0272c38>] (mutex_lock_nested+0x24/0x35c) from [<c01b237c>]
(mdiobus_read+0x44/0x70)
[<c01b237c>] (mdiobus_read+0x44/0x70) from [<c01b0c64>]
(phy_mii_ioctl+0x4c/0x138)
[<c01b0c64>] (phy_mii_ioctl+0x4c/0x138) from [<c01b34fc>]
(stmmac_ioctl+0x5c/0x78)
[<c01b34fc>] (stmmac_ioctl+0x5c/0x78) from [<c01fcec8>]
(dev_ifsioc+0x2a4/0x2c8)
[<c01fcec8>] (dev_ifsioc+0x2a4/0x2c8) from [<c01fd81c>]
(dev_ioctl+0x560/0x674)
[<c01fd81c>] (dev_ioctl+0x560/0x674) from [<c00c36e0>]
(vfs_ioctl+0x2c/0x8c)
[<c00c36e0>] (vfs_ioctl+0x2c/0x8c) from [<c00c4130>]
(do_vfs_ioctl+0x530/0x578)
[<c00c4130>] (do_vfs_ioctl+0x530/0x578) from [<c00c41ac>]
(sys_ioctl+0x34/0x54)
[<c00c41ac>] (sys_ioctl+0x34/0x54) from [<c0028aa0>]
(ret_fast_syscall+0x0/0x2c)

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 7f3ffd3742d8..29dd87c675dc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1536,9 +1536,7 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	if (!priv->phydev)
 		return -EINVAL;
 
-	spin_lock(&priv->lock);
 	ret = phy_mii_ioctl(priv->phydev, rq, cmd);
-	spin_unlock(&priv->lock);
 
 	return ret;
 }
-- 
GitLab


From 102463b18d922dd55c29fbfa222e0355ecf3e42f Mon Sep 17 00:00:00 2001
From: Francesco Virlinzi <francesco.virlinzi@st.com>
Date: Wed, 16 Nov 2011 21:58:02 +0000
Subject: [PATCH 0699/1594] stmmac: fix pm functions avoiding sleep on spinlock

This patch fixes the pm functions to avoid the system
sleeps while a spinlock is taken.

Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 29dd87c675dc..8ea770a89f25 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2011,12 +2011,13 @@ static int stmmac_suspend(struct device *dev)
 	if (!ndev || !netif_running(ndev))
 		return 0;
 
+	if (priv->phydev)
+		phy_stop(priv->phydev);
+
 	spin_lock(&priv->lock);
 
 	netif_device_detach(ndev);
 	netif_stop_queue(ndev);
-	if (priv->phydev)
-		phy_stop(priv->phydev);
 
 #ifdef CONFIG_STMMAC_TIMER
 	priv->tm->timer_stop();
@@ -2074,12 +2075,13 @@ static int stmmac_resume(struct device *dev)
 #endif
 	napi_enable(&priv->napi);
 
-	if (priv->phydev)
-		phy_start(priv->phydev);
-
 	netif_start_queue(ndev);
 
 	spin_unlock(&priv->lock);
+
+	if (priv->phydev)
+		phy_start(priv->phydev);
+
 	return 0;
 }
 
-- 
GitLab


From fc9f899483435935c1cd7005df29681929d1c99b Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 9 Jul 2011 18:04:39 +0200
Subject: [PATCH 0700/1594] fs/ocfs2/dlm/dlmlock.c: free kmem_cache_zalloc'd
 data using kmem_cache_free

Memory allocated using kmem_cache_zalloc should be freed using
kmem_cache_free, not kfree.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,e,e1,e2;
@@

x = kmem_cache_zalloc(e1,e2)
... when != x = e
?-kfree(x)
+kmem_cache_free(e1,x)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/dlm/dlmlock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index f32fcba04923..975810b98492 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -438,7 +438,7 @@ struct dlm_lock * dlm_new_lock(int type, u8 node, u64 cookie,
 		/* zero memory only if kernel-allocated */
 		lksb = kzalloc(sizeof(*lksb), GFP_NOFS);
 		if (!lksb) {
-			kfree(lock);
+			kmem_cache_free(dlm_lock_cache, lock);
 			return NULL;
 		}
 		kernel_allocated = 1;
-- 
GitLab


From 8298524803339a9a8df053ebdfebc2975ec55be9 Mon Sep 17 00:00:00 2001
From: Wengang Wang <wen.gang.wang@oracle.com>
Date: Tue, 12 Jul 2011 16:43:14 +0800
Subject: [PATCH 0701/1594] ocfs2: make direntry invalid when deleting it

When we deleting a direntry from a directory, if it's the first in a block we
invalid it by setting inode to 0; otherwise, we merge the deleted one to the
prior and contiguous direntry. And we don't truncate directories.

There is a problem for the later case since inode is not set to 0.
This problem happens when the caller passes a file position as parameter to
ocfs2_dir_foreach_blk(). If the position happens to point to a stale(not
the first, deleted in betweens of ocfs2_dir_foreach_blk()s) direntry, we are
not able to recognize its staleness. So that we treat it as a live one wrongly.

The fix is to set inode to 0 in both cases indicating the direntry is stale.
This won't introduce additional IOs.

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/dir.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 8582e3f4f120..3302088e1f04 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -1184,8 +1184,7 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir,
 			if (pde)
 				le16_add_cpu(&pde->rec_len,
 						le16_to_cpu(de->rec_len));
-			else
-				de->inode = 0;
+			de->inode = 0;
 			dir->i_version++;
 			ocfs2_journal_dirty(handle, bh);
 			goto bail;
-- 
GitLab


From b8a0ae579fb8d9b21008ac386be08b9428902455 Mon Sep 17 00:00:00 2001
From: Wengang Wang <wen.gang.wang@oracle.com>
Date: Wed, 12 Oct 2011 15:22:15 +0800
Subject: [PATCH 0702/1594] ocfs2: Commit transactions in error cases -v2

There are three cases found that in error cases, journal transactions are not
committed nor aborted. We should take care of these case by committing the
transactions. Otherwise, there would left a journal handle which will lead to
, in same process context, the comming ocfs2_start_trans() gets wrong credits.

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/alloc.c |  2 +-
 fs/ocfs2/ioctl.c |  3 ++-
 fs/ocfs2/xattr.c | 10 ++++++----
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index ed553c60de82..3165aebb43c8 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -5699,7 +5699,7 @@ int ocfs2_remove_btree_range(struct inode *inode,
 					   OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
-		goto out;
+		goto out_commit;
 	}
 
 	dquot_free_space_nodirty(inode,
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index d9a6ce779266..726ff265b296 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -122,7 +122,7 @@ static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
 	if ((oldflags & OCFS2_IMMUTABLE_FL) || ((flags ^ oldflags) &
 		(OCFS2_APPEND_FL | OCFS2_IMMUTABLE_FL))) {
 		if (!capable(CAP_LINUX_IMMUTABLE))
-			goto bail_unlock;
+			goto bail_commit;
 	}
 
 	ocfs2_inode->ip_attr = flags;
@@ -132,6 +132,7 @@ static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
 	if (status < 0)
 		mlog_errno(status);
 
+bail_commit:
 	ocfs2_commit_trans(osb, handle);
 bail_unlock:
 	ocfs2_inode_unlock(inode, 1);
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 81ecf9c0bf0a..93d6c80b3922 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2376,16 +2376,18 @@ static int ocfs2_remove_value_outside(struct inode*inode,
 		}
 
 		ret = ocfs2_xattr_value_truncate(inode, vb, 0, &ctxt);
-		if (ret < 0) {
-			mlog_errno(ret);
-			break;
-		}
 
 		ocfs2_commit_trans(osb, ctxt.handle);
 		if (ctxt.meta_ac) {
 			ocfs2_free_alloc_context(ctxt.meta_ac);
 			ctxt.meta_ac = NULL;
 		}
+
+		if (ret < 0) {
+			mlog_errno(ret);
+			break;
+		}
+
 	}
 
 	if (ctxt.meta_ac)
-- 
GitLab


From e41d33af7c037a6f7350f8410b45ce83b50d1b80 Mon Sep 17 00:00:00 2001
From: Dan Magenheimer <dan.magenheimer@oracle.com>
Date: Mon, 17 Oct 2011 16:47:17 -0700
Subject: [PATCH 0703/1594] ocfs2: send correct UUID to cleancache
 initialization

ocfs2: Fix cleancache initialization call to correctly pass uuid

As reported by Steven Whitehouse in https://lkml.org/lkml/2011/5/27/221
the ocfs2 volume UUID is incorrectly passed to cleancache.
As a result, shared-ephemeral tmem pools will not actually
be created; instead they will be private (unshared) which
misses out on a major benefit of tmem.

Reported-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 938e2b2b0c9c..4994f8b0e604 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2360,7 +2360,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
 		mlog_errno(status);
 		goto bail;
 	}
-	cleancache_init_shared_fs((char *)&uuid_net_key, sb);
+	cleancache_init_shared_fs((char *)&di->id2.i_super.s_uuid, sb);
 
 bail:
 	return status;
-- 
GitLab


From 0393afea31874947b1d149b82d17b7dccac4f210 Mon Sep 17 00:00:00 2001
From: "Xiaowei.Hu" <xiaowei.hu@oracle.com>
Date: Wed, 19 Oct 2011 09:34:19 +0800
Subject: [PATCH 0704/1594] ocfs2: Add a missing journal credit in
 ocfs2_link_credits() -v2

With indexed_dir enabled, ocfs2 maintains a list of dirblocks having
space.

The credit calculation in ocfs2_link_credits() did not correctly account
for adding an entry that exactly fills a dirblock that triggers removing
that dirblock by changing the pointer in the previous block in the list.
The credit calculation did not account for that previous block.

To expose, do:

mkfs.ocfs2 -b 512 -M local /dev/sdX
mount /dev/sdX /ocfs2
mkdir /ocfs2/linkdir
touch /ocfs2/linkdir/file1
for i in `seq 1 29` ; do link /ocfs2/linkdir/file1
/ocfs2/linkdir/linklinklinklinklinklink$i; done
rm -f /ocfs2/linkdir/linklinklinklinklinklink10
sleep 8
link /ocfs2/linkdir/file1
/ocfs2/linkdir/linklinklinklinklinklinkaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Note:
The link names have been crafted for a 512 byte blocksize. Reproducing
with a larger blocksize will require longer (or more) links. The sleep
is important. We want jbd2 to commit the transaction so that the missing
block does not piggy back on account of the previous transaction.

Signed-off-by: XiaoweiHu <xiaowei.hu at oracle.com>
Reviewed-by: WengangWang <wen.gang.wang at oracle.com>
Reviewed-by: Sunil.Mushran <sunil.mushran at oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/journal.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 68cf2f6d3c6a..a3385b63ff5e 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -441,10 +441,11 @@ static inline int ocfs2_mknod_credits(struct super_block *sb, int is_dir,
 #define OCFS2_SIMPLE_DIR_EXTEND_CREDITS (2)
 
 /* file update (nlink, etc) + directory mtime/ctime + dir entry block + quota
- * update on dir + index leaf + dx root update for free list */
+ * update on dir + index leaf + dx root update for free list +
+ * previous dirblock update in the free list */
 static inline int ocfs2_link_credits(struct super_block *sb)
 {
-	return 2*OCFS2_INODE_UPDATE_CREDITS + 3 +
+	return 2*OCFS2_INODE_UPDATE_CREDITS + 4 +
 	       ocfs2_quota_trans_credits(sb);
 }
 
-- 
GitLab


From df295d4a4b3c98af1a2445a82aef169e7e5d96b8 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mfasheh@suse.de>
Date: Wed, 16 Nov 2011 12:03:10 -0800
Subject: [PATCH 0705/1594] ocfs2: honor O_(D)SYNC flag in fallocate

We need to sync the transaction which updates i_size if the file is marked
as needing sync semantics.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/file.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 5c4a74e04ab4..09e3de57cdee 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1950,6 +1950,9 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
 	if (ret < 0)
 		mlog_errno(ret);
 
+	if (file->f_flags & O_SYNC)
+		handle->h_sync = 1;
+
 	ocfs2_commit_trans(osb, handle);
 
 out_inode_unlock:
-- 
GitLab


From 249ec93c01db8898058899a80ffb537c8d27f86f Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 8 Nov 2011 00:20:39 +0100
Subject: [PATCH 0706/1594] ocfs2: Use filemap_write_and_wait() instead of
 write_inode_now()

Since ocfs2 has no ->write_inode method, there's no point in calling
write_inode_now() from ocfs2_cleanup_delete_inode().  Use
filemap_write_and_wait() instead. This helps us to cleanup inode writing
interfaces...

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index b4c8bb6b8d28..c4bf6ac4a0bb 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -951,7 +951,7 @@ static void ocfs2_cleanup_delete_inode(struct inode *inode,
 	trace_ocfs2_cleanup_delete_inode(
 		(unsigned long long)OCFS2_I(inode)->ip_blkno, sync_data);
 	if (sync_data)
-		write_inode_now(inode, 1);
+		filemap_write_and_wait(inode->i_mapping);
 	truncate_inode_pages(&inode->i_data, 0);
 }
 
-- 
GitLab


From 3627902377c4fbdeef4c689fb43b47a86a3ec859 Mon Sep 17 00:00:00 2001
From: Donggeun Kim <dg77.kim@samsung.com>
Date: Thu, 17 Nov 2011 05:33:05 -0500
Subject: [PATCH 0707/1594] hwmon: (exynos4_tmu) Fix Kconfig dependency

Rename dependency of EXYNOS4_TMU in Kconfig to the existing one.

Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
---
 drivers/hwmon/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 9ec854ae118b..91be41f60809 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -315,7 +315,7 @@ config SENSORS_DS1621
 
 config SENSORS_EXYNOS4_TMU
 	tristate "Temperature sensor on Samsung EXYNOS4"
-	depends on EXYNOS4_DEV_TMU
+	depends on ARCH_EXYNOS4
 	help
 	  If you say yes here you get support for TMU (Thermal Managment
 	  Unit) on SAMSUNG EXYNOS4 series of SoC.
-- 
GitLab


From f475058f48d3acb3c3979311c9532f3113839468 Mon Sep 17 00:00:00 2001
From: Richard Zhao <richard.zhao@linaro.org>
Date: Thu, 17 Nov 2011 18:54:29 +0800
Subject: [PATCH 0708/1594] ARM: imx6q: move clock register map to
 machine_desc.map_io

map_io is the only place to call iotable_init.

Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
[shawn.guo: rename imx_clock_map_io() to imx6q_clock_map_io()]
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/mach-imx/clock-imx6q.c         | 7 +++++--
 arch/arm/mach-imx/mach-imx6q.c          | 1 +
 arch/arm/plat-mxc/include/mach/common.h | 1 +
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c
index 613a1b993bff..039a7abb165a 100644
--- a/arch/arm/mach-imx/clock-imx6q.c
+++ b/arch/arm/mach-imx/clock-imx6q.c
@@ -1953,14 +1953,17 @@ static struct map_desc imx6q_clock_desc[] = {
 	imx_map_entry(MX6Q, ANATOP, MT_DEVICE),
 };
 
+void __init imx6q_clock_map_io(void)
+{
+	iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc));
+}
+
 int __init mx6q_clocks_init(void)
 {
 	struct device_node *np;
 	void __iomem *base;
 	int i, irq;
 
-	iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc));
-
 	/* retrieve the freqency of fixed clocks from device tree */
 	for_each_compatible_node(np, NULL, "fixed-clock") {
 		u32 rate;
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 8bf5fa349484..9cd860a27af5 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -34,6 +34,7 @@ static void __init imx6q_map_io(void)
 {
 	imx_lluart_map_io();
 	imx_scu_map_io();
+	imx6q_clock_map_io();
 }
 
 static void __init imx6q_gpio_add_irq_domain(struct device_node *np,
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index 83b745a5e1b7..7a5b6afc0982 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h
@@ -133,4 +133,5 @@ extern void imx53_qsb_common_init(void);
 extern void imx53_smd_common_init(void);
 extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
 extern void imx6q_pm_init(void);
+extern void imx6q_clock_map_io(void);
 #endif
-- 
GitLab


From d29387e8de8bdf64374874112b2b1540d3ada674 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xenotime.net>
Date: Wed, 16 Nov 2011 18:17:03 -0800
Subject: [PATCH 0709/1594] media/staging: fix allyesconfig build error

Fix x86 allyesconfig builds.  Builds fail due to a non-static variable
named 'debug' in drivers/staging/media/as102:

  arch/x86/built-in.o:arch/x86/kernel/entry_32.S:1296: first defined here
  ld: Warning: size of symbol `debug' changed from 90 in arch/x86/built-in.o to 4 in drivers/built-in.o

Thou shalt have no non-static identifiers that are named 'debug'.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Pierrick Hascoet <pierrick.hascoet@abilis.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/staging/media/as102/as102_drv.c | 4 ++--
 drivers/staging/media/as102/as102_drv.h | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c
index d335c7d6fa0f..828526d4c289 100644
--- a/drivers/staging/media/as102/as102_drv.c
+++ b/drivers/staging/media/as102/as102_drv.c
@@ -32,8 +32,8 @@
 #include "as102_fw.h"
 #include "dvbdev.h"
 
-int debug;
-module_param_named(debug, debug, int, 0644);
+int as102_debug;
+module_param_named(debug, as102_debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off debugging (default: off)");
 
 int dual_tuner;
diff --git a/drivers/staging/media/as102/as102_drv.h b/drivers/staging/media/as102/as102_drv.h
index bcda635b5a99..fd33f5a12dcc 100644
--- a/drivers/staging/media/as102/as102_drv.h
+++ b/drivers/staging/media/as102/as102_drv.h
@@ -37,7 +37,8 @@ extern struct spi_driver as102_spi_driver;
 #define DRIVER_FULL_NAME "Abilis Systems as10x usb driver"
 #define DRIVER_NAME "as10x_usb"
 
-extern int debug;
+extern int as102_debug;
+#define debug	as102_debug
 
 #define dprintk(debug, args...) \
 	do { if (debug) {	\
-- 
GitLab


From 869f8dfa52295e75e043af618e47305e4b109bc1 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xenotime.net>
Date: Wed, 16 Nov 2011 18:20:51 -0800
Subject: [PATCH 0710/1594] platform/x86: fix dell-laptop function prototypes

Fix build warnings:
  drivers/platform/x86/dell-laptop.c:592:13: warning: function declaration isn't a prototype
  drivers/platform/x86/dell-laptop.c:599:13: warning: function declaration isn't a prototype

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/platform/x86/dell-laptop.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index a43cfd906c6d..d93e962f2610 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -589,14 +589,14 @@ static const struct backlight_ops dell_ops = {
 	.update_status  = dell_send_intensity,
 };
 
-static void touchpad_led_on()
+static void touchpad_led_on(void)
 {
 	int command = 0x97;
 	char data = 1;
 	i8042_command(&data, command | 1 << 12);
 }
 
-static void touchpad_led_off()
+static void touchpad_led_off(void)
 {
 	int command = 0x97;
 	char data = 2;
-- 
GitLab


From 1df647197c5b8aacaeb58592cba9a1df322c9000 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Sun, 13 Nov 2011 19:47:32 -0600
Subject: [PATCH 0711/1594] writeback: hard throttle 1000+ dd on a slow USB
 stick

The sleep based balance_dirty_pages() can pause at most MAX_PAUSE=200ms
on every 1 4KB-page, which means it cannot throttle a task under
4KB/200ms=20KB/s. So when there are more than 512 dd writing to a
10MB/s USB stick, its bdi dirty pages could grow out of control.

Even if we can increase MAX_PAUSE, the minimal (task_ratelimit = 1)
means a limit of 4KB/s.

They can eventually be safeguarded by the global limit check
(nr_dirty < dirty_thresh). However if someone is also writing to an
HDD at the same time, it'll get poor HDD write performance.

We at least want to maintain good write performance for other devices
when one device is attacked by some "massive parallel" workload, or
suffers from slow write bandwidth, or somehow get stalled due to some
error condition (eg. NFS server not responding).

For a stalled device, we need to completely block its dirtiers, too,
before its bdi dirty pages grow all the way up to the global limit and
leave no space for the other functional devices.

So change the loop exit condition to

	/*
	 * Always enforce global dirty limit; also enforce bdi dirty limit
	 * if the normal max_pause sleeps cannot keep things under control.
	 */
	if (nr_dirty < dirty_thresh &&
	    (bdi_dirty < bdi_thresh || bdi->dirty_ratelimit > 1))
		break;

which can be further simplified to

	if (task_ratelimit)
		break;

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 mm/page-writeback.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 79c34419fadd..e7cb5ff6e53d 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1136,14 +1136,11 @@ pause:
 		__set_current_state(TASK_KILLABLE);
 		io_schedule_timeout(pause);
 
-		dirty_thresh = hard_dirty_limit(dirty_thresh);
 		/*
-		 * max-pause area. If dirty exceeded but still within this
-		 * area, no need to sleep for more than 200ms: (a) 8 pages per
-		 * 200ms is typically more than enough to curb heavy dirtiers;
-		 * (b) the pause time limit makes the dirtiers more responsive.
+		 * This is typically equal to (nr_dirty < dirty_thresh) and can
+		 * also keep "1000+ dd on a slow USB stick" under control.
 		 */
-		if (nr_dirty < dirty_thresh)
+		if (task_ratelimit)
 			break;
 
 		if (fatal_signal_pending(current))
-- 
GitLab


From 468e6a20afaccb67e2a7d7f60d301f90e1c6f301 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Wed, 7 Sep 2011 10:41:32 -0600
Subject: [PATCH 0712/1594] writeback: remove vm_dirties and task->dirties

They are not used any more.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 include/linux/init_task.h | 1 -
 include/linux/sched.h     | 1 -
 kernel/fork.c             | 5 -----
 mm/page-writeback.c       | 9 ---------
 4 files changed, 16 deletions(-)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 08ffab01e76c..94b1e356c02a 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -184,7 +184,6 @@ extern struct cred init_cred;
 		[PIDTYPE_SID]  = INIT_PID_LINK(PIDTYPE_SID),		\
 	},								\
 	.thread_group	= LIST_HEAD_INIT(tsk.thread_group),		\
-	.dirties = INIT_PROP_LOCAL_SINGLE(dirties),			\
 	INIT_IDS							\
 	INIT_PERF_EVENTS(tsk)						\
 	INIT_TRACE_IRQFLAGS						\
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 68daf4f27e2c..1c4f3e9b9bc5 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1521,7 +1521,6 @@ struct task_struct {
 #ifdef CONFIG_FAULT_INJECTION
 	int make_it_fail;
 #endif
-	struct prop_local_single dirties;
 	/*
 	 * when (nr_dirtied >= nr_dirtied_pause), it's time to call
 	 * balance_dirty_pages() for some dirty throttling pause
diff --git a/kernel/fork.c b/kernel/fork.c
index ba0d17261329..da4a6a10d088 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -162,7 +162,6 @@ static void account_kernel_stack(struct thread_info *ti, int account)
 
 void free_task(struct task_struct *tsk)
 {
-	prop_local_destroy_single(&tsk->dirties);
 	account_kernel_stack(tsk->stack, -1);
 	free_thread_info(tsk->stack);
 	rt_mutex_debug_task_free(tsk);
@@ -274,10 +273,6 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
 
 	tsk->stack = ti;
 
-	err = prop_local_init_single(&tsk->dirties);
-	if (err)
-		goto out;
-
 	setup_thread_stack(tsk, orig);
 	clear_user_return_notifier(tsk);
 	clear_tsk_need_resched(tsk);
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index e7cb5ff6e53d..71252486bc6f 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -128,7 +128,6 @@ unsigned long global_dirty_limit;
  *
  */
 static struct prop_descriptor vm_completions;
-static struct prop_descriptor vm_dirties;
 
 /*
  * couple the period to the dirty_ratio:
@@ -154,7 +153,6 @@ static void update_completion_period(void)
 {
 	int shift = calc_period_shift();
 	prop_change_shift(&vm_completions, shift);
-	prop_change_shift(&vm_dirties, shift);
 
 	writeback_set_ratelimit();
 }
@@ -235,11 +233,6 @@ void bdi_writeout_inc(struct backing_dev_info *bdi)
 }
 EXPORT_SYMBOL_GPL(bdi_writeout_inc);
 
-void task_dirty_inc(struct task_struct *tsk)
-{
-	prop_inc_single(&vm_dirties, &tsk->dirties);
-}
-
 /*
  * Obtain an accurate fraction of the BDI's portion.
  */
@@ -1395,7 +1388,6 @@ void __init page_writeback_init(void)
 
 	shift = calc_period_shift();
 	prop_descriptor_init(&vm_completions, shift);
-	prop_descriptor_init(&vm_dirties, shift);
 }
 
 /**
@@ -1724,7 +1716,6 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
 		__inc_zone_page_state(page, NR_DIRTIED);
 		__inc_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
 		__inc_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED);
-		task_dirty_inc(current);
 		task_io_account_write(PAGE_CACHE_SIZE);
 	}
 }
-- 
GitLab


From bd29e568a4cb6465f6e5ec7c1c1f3ae7d99cbec1 Mon Sep 17 00:00:00 2001
From: "Luck, Tony" <tony.luck@intel.com>
Date: Wed, 16 Nov 2011 10:50:56 -0800
Subject: [PATCH 0713/1594] fix typo/thinko in get_random_bytes()

If there is an architecture-specific random number generator we use it
to acquire randomness one "long" at a time.  We should put these random
words into consecutive words in the result buffer - not just overwrite
the first word again and again.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/random.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 63e19ba56bbe..6035ab8d5ef7 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -941,7 +941,7 @@ void get_random_bytes(void *buf, int nbytes)
 		if (!arch_get_random_long(&v))
 			break;
 		
-		memcpy(buf, &v, chunk);
+		memcpy(p, &v, chunk);
 		p += chunk;
 		nbytes -= chunk;
 	}
-- 
GitLab


From 9e6dabeffd1d0ec2aa19aa076c4886067238d442 Mon Sep 17 00:00:00 2001
From: Cornelia Huck <cornelia.huck@de.ibm.com>
Date: Thu, 17 Nov 2011 11:00:41 +0100
Subject: [PATCH 0714/1594] KVM: s390: Fix RUNNING flag misinterpretation

CPUSTAT_RUNNING was implemented signifying that a vcpu is not stopped.
This is not, however, what the architecture says: RUNNING should be
set when the host is acting on the behalf of the guest operating
system.

CPUSTAT_RUNNING has been changed to be set in kvm_arch_vcpu_load()
and to be unset in kvm_arch_vcpu_put().

For signifying stopped state of a vcpu, a host-controlled bit has
been used and is set/unset basically on the reverse as the old
CPUSTAT_RUNNING bit (including pushing it down into stop handling
proper in handle_stop()).

Cc: stable@kernel.org
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/s390/include/asm/kvm_host.h |  2 +-
 arch/s390/kvm/diag.c             |  2 +-
 arch/s390/kvm/intercept.c        |  3 ++-
 arch/s390/kvm/interrupt.c        |  1 +
 arch/s390/kvm/kvm-s390.c         | 10 +++++++---
 arch/s390/kvm/sigp.c             |  6 +++---
 6 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 24e18473d926..20f9068cd6b5 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -47,7 +47,7 @@ struct sca_block {
 #define KVM_HPAGE_MASK(x)	(~(KVM_HPAGE_SIZE(x) - 1))
 #define KVM_PAGES_PER_HPAGE(x)	(KVM_HPAGE_SIZE(x) / PAGE_SIZE)
 
-#define CPUSTAT_HOST       0x80000000
+#define CPUSTAT_STOPPED    0x80000000
 #define CPUSTAT_WAIT       0x10000000
 #define CPUSTAT_ECALL_PEND 0x08000000
 #define CPUSTAT_STOP_INT   0x04000000
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c
index 87cedd61be04..8943e82cd4d9 100644
--- a/arch/s390/kvm/diag.c
+++ b/arch/s390/kvm/diag.c
@@ -70,7 +70,7 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu)
 		return -EOPNOTSUPP;
 	}
 
-	atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
+	atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
 	vcpu->run->s390_reset_flags |= KVM_S390_RESET_SUBSYSTEM;
 	vcpu->run->s390_reset_flags |= KVM_S390_RESET_IPL;
 	vcpu->run->s390_reset_flags |= KVM_S390_RESET_CPU_INIT;
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index c7c51898984e..02434543eabb 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -132,7 +132,6 @@ static int handle_stop(struct kvm_vcpu *vcpu)
 	int rc = 0;
 
 	vcpu->stat.exit_stop_request++;
-	atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
 	spin_lock_bh(&vcpu->arch.local_int.lock);
 	if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) {
 		vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP;
@@ -149,6 +148,8 @@ static int handle_stop(struct kvm_vcpu *vcpu)
 	}
 
 	if (vcpu->arch.local_int.action_bits & ACTION_STOP_ON_STOP) {
+		atomic_set_mask(CPUSTAT_STOPPED,
+				&vcpu->arch.sie_block->cpuflags);
 		vcpu->arch.local_int.action_bits &= ~ACTION_STOP_ON_STOP;
 		VCPU_EVENT(vcpu, 3, "%s", "cpu stopped");
 		rc = -EOPNOTSUPP;
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 87c16705b381..278ee009ce65 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -252,6 +252,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
 			offsetof(struct _lowcore, restart_psw), sizeof(psw_t));
 		if (rc == -EFAULT)
 			exception = 1;
+		atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
 		break;
 
 	case KVM_S390_PROGRAM_INT:
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 0bd3bea1e4cd..630ab65b488b 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -270,10 +270,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 	restore_fp_regs(&vcpu->arch.guest_fpregs);
 	restore_access_regs(vcpu->arch.guest_acrs);
 	gmap_enable(vcpu->arch.gmap);
+	atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
 }
 
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 {
+	atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
 	gmap_disable(vcpu->arch.gmap);
 	save_fp_regs(&vcpu->arch.guest_fpregs);
 	save_access_regs(vcpu->arch.guest_acrs);
@@ -301,7 +303,9 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu)
 
 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 {
-	atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | CPUSTAT_SM);
+	atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH |
+						    CPUSTAT_SM |
+						    CPUSTAT_STOPPED);
 	vcpu->arch.sie_block->ecb   = 6;
 	vcpu->arch.sie_block->eca   = 0xC1002001U;
 	vcpu->arch.sie_block->fac   = (int) (long) facilities;
@@ -428,7 +432,7 @@ static int kvm_arch_vcpu_ioctl_set_initial_psw(struct kvm_vcpu *vcpu, psw_t psw)
 {
 	int rc = 0;
 
-	if (atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_RUNNING)
+	if (!(atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED))
 		rc = -EBUSY;
 	else {
 		vcpu->run->psw_mask = psw.mask;
@@ -501,7 +505,7 @@ rerun_vcpu:
 	if (vcpu->sigset_active)
 		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
 
-	atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
+	atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
 
 	BUG_ON(vcpu->kvm->arch.float_int.local_int[vcpu->vcpu_id] == NULL);
 
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index f815118835f3..4a488a98d7f8 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -57,8 +57,8 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr,
 	spin_lock(&fi->lock);
 	if (fi->local_int[cpu_addr] == NULL)
 		rc = 3; /* not operational */
-	else if (atomic_read(fi->local_int[cpu_addr]->cpuflags)
-		 & CPUSTAT_RUNNING) {
+	else if (!(atomic_read(fi->local_int[cpu_addr]->cpuflags)
+		  & CPUSTAT_STOPPED)) {
 		*reg &= 0xffffffff00000000UL;
 		rc = 1; /* status stored */
 	} else {
@@ -251,7 +251,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
 
 	spin_lock_bh(&li->lock);
 	/* cpu must be in stopped state */
-	if (atomic_read(li->cpuflags) & CPUSTAT_RUNNING) {
+	if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) {
 		rc = 1; /* incorrect state */
 		*reg &= SIGP_STAT_INCORRECT_STATE;
 		kfree(inti);
-- 
GitLab


From bd59d3a4444e5f941c863db1a7715edf7289e29a Mon Sep 17 00:00:00 2001
From: Cornelia Huck <cornelia.huck@de.ibm.com>
Date: Thu, 17 Nov 2011 11:00:42 +0100
Subject: [PATCH 0715/1594] KVM: s390: handle SIGP sense running intercepts

SIGP sense running may cause an intercept on higher level
virtualization, so handle it by checking the CPUSTAT_RUNNING flag.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/s390/include/asm/kvm_host.h |  1 +
 arch/s390/kvm/kvm-s390.c         |  1 +
 arch/s390/kvm/sigp.c             | 39 ++++++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)

diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 20f9068cd6b5..b0c235cb6ad5 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -139,6 +139,7 @@ struct kvm_vcpu_stat {
 	u32 instruction_stfl;
 	u32 instruction_tprot;
 	u32 instruction_sigp_sense;
+	u32 instruction_sigp_sense_running;
 	u32 instruction_sigp_external_call;
 	u32 instruction_sigp_emergency;
 	u32 instruction_sigp_stop;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 630ab65b488b..0891926ea953 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -65,6 +65,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "instruction_stfl", VCPU_STAT(instruction_stfl) },
 	{ "instruction_tprot", VCPU_STAT(instruction_tprot) },
 	{ "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) },
+	{ "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) },
 	{ "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) },
 	{ "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) },
 	{ "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) },
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 4a488a98d7f8..0a7941d74bc6 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -31,9 +31,11 @@
 #define SIGP_SET_PREFIX        0x0d
 #define SIGP_STORE_STATUS_ADDR 0x0e
 #define SIGP_SET_ARCH          0x12
+#define SIGP_SENSE_RUNNING     0x15
 
 /* cpu status bits */
 #define SIGP_STAT_EQUIPMENT_CHECK   0x80000000UL
+#define SIGP_STAT_NOT_RUNNING	    0x00000400UL
 #define SIGP_STAT_INCORRECT_STATE   0x00000200UL
 #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
 #define SIGP_STAT_EXT_CALL_PENDING  0x00000080UL
@@ -275,6 +277,38 @@ out_fi:
 	return rc;
 }
 
+static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr,
+				unsigned long *reg)
+{
+	int rc;
+	struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
+
+	if (cpu_addr >= KVM_MAX_VCPUS)
+		return 3; /* not operational */
+
+	spin_lock(&fi->lock);
+	if (fi->local_int[cpu_addr] == NULL)
+		rc = 3; /* not operational */
+	else {
+		if (atomic_read(fi->local_int[cpu_addr]->cpuflags)
+		    & CPUSTAT_RUNNING) {
+			/* running */
+			rc = 1;
+		} else {
+			/* not running */
+			*reg &= 0xffffffff00000000UL;
+			*reg |= SIGP_STAT_NOT_RUNNING;
+			rc = 0;
+		}
+	}
+	spin_unlock(&fi->lock);
+
+	VCPU_EVENT(vcpu, 4, "sensed running status of cpu %x rc %x", cpu_addr,
+		   rc);
+
+	return rc;
+}
+
 int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
 {
 	int r1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
@@ -331,6 +365,11 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
 		rc = __sigp_set_prefix(vcpu, cpu_addr, parameter,
 				       &vcpu->arch.guest_gprs[r1]);
 		break;
+	case SIGP_SENSE_RUNNING:
+		vcpu->stat.instruction_sigp_sense_running++;
+		rc = __sigp_sense_running(vcpu, cpu_addr,
+					  &vcpu->arch.guest_gprs[r1]);
+		break;
 	case SIGP_RESTART:
 		vcpu->stat.instruction_sigp_restart++;
 		/* user space must know about restart */
-- 
GitLab


From 1eddb85f889a5a9fe59ec184e06844716a00aded Mon Sep 17 00:00:00 2001
From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Thu, 17 Nov 2011 11:00:43 +0100
Subject: [PATCH 0716/1594] KVM: s390: Fix tprot locking

There is a potential host deadlock in the tprot intercept handling.
We must not hold the mmap semaphore while resolving the guest
address. If userspace is remapping, then the memory detection in
the guest is broken anyway so we can safely separate the
address translation from walking the vmas.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/s390/kvm/priv.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 391626361084..d02638959922 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -336,6 +336,7 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
 	u64 address1 = disp1 + base1 ? vcpu->arch.guest_gprs[base1] : 0;
 	u64 address2 = disp2 + base2 ? vcpu->arch.guest_gprs[base2] : 0;
 	struct vm_area_struct *vma;
+	unsigned long user_address;
 
 	vcpu->stat.instruction_tprot++;
 
@@ -349,9 +350,14 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
 		return -EOPNOTSUPP;
 
 
+	/* we must resolve the address without holding the mmap semaphore.
+	 * This is ok since the userspace hypervisor is not supposed to change
+	 * the mapping while the guest queries the memory. Otherwise the guest
+	 * might crash or get wrong info anyway. */
+	user_address = (unsigned long) __guestaddr_to_user(vcpu, address1);
+
 	down_read(&current->mm->mmap_sem);
-	vma = find_vma(current->mm,
-			(unsigned long) __guestaddr_to_user(vcpu, address1));
+	vma = find_vma(current->mm, user_address);
 	if (!vma) {
 		up_read(&current->mm->mmap_sem);
 		return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
-- 
GitLab


From 52e16b185fdd0aeb0522c203e944873e38ac1575 Mon Sep 17 00:00:00 2001
From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Thu, 17 Nov 2011 11:00:44 +0100
Subject: [PATCH 0717/1594] KVM: s390: announce SYNC_MMU

KVM on s390 always had a sync mmu. Any mapping change in userspace
mapping was always reflected immediately in the guest mapping.
- In older code the guest mapping was just an offset
- In newer code the last level page table is shared

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/s390/kvm/kvm-s390.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 0891926ea953..d1c445732451 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -128,6 +128,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	switch (ext) {
 	case KVM_CAP_S390_PSW:
 	case KVM_CAP_S390_GMAP:
+	case KVM_CAP_SYNC_MMU:
 		r = 1;
 		break;
 	default:
-- 
GitLab


From 8bf00a529967dafbbb210b377c38a15834d1e979 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Wed, 5 Oct 2011 14:01:22 +0200
Subject: [PATCH 0718/1594] KVM: VMX: add support for switching of
 PERF_GLOBAL_CTRL

Some cpus have special support for switching PERF_GLOBAL_CTRL msr.
Add logic to detect if such support exists and works properly and extend
msr switching code to use it if available. Also extend number of generic
msr switching entries to 8.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/vmx.c | 104 ++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 93 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a0d6bd9ad442..55e849b52d9e 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -118,7 +118,7 @@ module_param(ple_gap, int, S_IRUGO);
 static int ple_window = KVM_VMX_DEFAULT_PLE_WINDOW;
 module_param(ple_window, int, S_IRUGO);
 
-#define NR_AUTOLOAD_MSRS 1
+#define NR_AUTOLOAD_MSRS 8
 #define VMCS02_POOL_SIZE 1
 
 struct vmcs {
@@ -622,6 +622,7 @@ static unsigned long *vmx_msr_bitmap_legacy;
 static unsigned long *vmx_msr_bitmap_longmode;
 
 static bool cpu_has_load_ia32_efer;
+static bool cpu_has_load_perf_global_ctrl;
 
 static DECLARE_BITMAP(vmx_vpid_bitmap, VMX_NR_VPIDS);
 static DEFINE_SPINLOCK(vmx_vpid_lock);
@@ -1191,15 +1192,34 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
 	vmcs_write32(EXCEPTION_BITMAP, eb);
 }
 
+static void clear_atomic_switch_msr_special(unsigned long entry,
+		unsigned long exit)
+{
+	vmcs_clear_bits(VM_ENTRY_CONTROLS, entry);
+	vmcs_clear_bits(VM_EXIT_CONTROLS, exit);
+}
+
 static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
 {
 	unsigned i;
 	struct msr_autoload *m = &vmx->msr_autoload;
 
-	if (msr == MSR_EFER && cpu_has_load_ia32_efer) {
-		vmcs_clear_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER);
-		vmcs_clear_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER);
-		return;
+	switch (msr) {
+	case MSR_EFER:
+		if (cpu_has_load_ia32_efer) {
+			clear_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER,
+					VM_EXIT_LOAD_IA32_EFER);
+			return;
+		}
+		break;
+	case MSR_CORE_PERF_GLOBAL_CTRL:
+		if (cpu_has_load_perf_global_ctrl) {
+			clear_atomic_switch_msr_special(
+					VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
+					VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
+			return;
+		}
+		break;
 	}
 
 	for (i = 0; i < m->nr; ++i)
@@ -1215,18 +1235,44 @@ static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
 	vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
 }
 
+static void add_atomic_switch_msr_special(unsigned long entry,
+		unsigned long exit, unsigned long guest_val_vmcs,
+		unsigned long host_val_vmcs, u64 guest_val, u64 host_val)
+{
+	vmcs_write64(guest_val_vmcs, guest_val);
+	vmcs_write64(host_val_vmcs, host_val);
+	vmcs_set_bits(VM_ENTRY_CONTROLS, entry);
+	vmcs_set_bits(VM_EXIT_CONTROLS, exit);
+}
+
 static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr,
 				  u64 guest_val, u64 host_val)
 {
 	unsigned i;
 	struct msr_autoload *m = &vmx->msr_autoload;
 
-	if (msr == MSR_EFER && cpu_has_load_ia32_efer) {
-		vmcs_write64(GUEST_IA32_EFER, guest_val);
-		vmcs_write64(HOST_IA32_EFER, host_val);
-		vmcs_set_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER);
-		vmcs_set_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER);
-		return;
+	switch (msr) {
+	case MSR_EFER:
+		if (cpu_has_load_ia32_efer) {
+			add_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER,
+					VM_EXIT_LOAD_IA32_EFER,
+					GUEST_IA32_EFER,
+					HOST_IA32_EFER,
+					guest_val, host_val);
+			return;
+		}
+		break;
+	case MSR_CORE_PERF_GLOBAL_CTRL:
+		if (cpu_has_load_perf_global_ctrl) {
+			add_atomic_switch_msr_special(
+					VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
+					VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL,
+					GUEST_IA32_PERF_GLOBAL_CTRL,
+					HOST_IA32_PERF_GLOBAL_CTRL,
+					guest_val, host_val);
+			return;
+		}
+		break;
 	}
 
 	for (i = 0; i < m->nr; ++i)
@@ -2455,6 +2501,42 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf)
 		&& allow_1_setting(MSR_IA32_VMX_EXIT_CTLS,
 				   VM_EXIT_LOAD_IA32_EFER);
 
+	cpu_has_load_perf_global_ctrl =
+		allow_1_setting(MSR_IA32_VMX_ENTRY_CTLS,
+				VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL)
+		&& allow_1_setting(MSR_IA32_VMX_EXIT_CTLS,
+				   VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
+
+	/*
+	 * Some cpus support VM_ENTRY_(LOAD|SAVE)_IA32_PERF_GLOBAL_CTRL
+	 * but due to arrata below it can't be used. Workaround is to use
+	 * msr load mechanism to switch IA32_PERF_GLOBAL_CTRL.
+	 *
+	 * VM Exit May Incorrectly Clear IA32_PERF_GLOBAL_CTRL [34:32]
+	 *
+	 * AAK155             (model 26)
+	 * AAP115             (model 30)
+	 * AAT100             (model 37)
+	 * BC86,AAY89,BD102   (model 44)
+	 * BA97               (model 46)
+	 *
+	 */
+	if (cpu_has_load_perf_global_ctrl && boot_cpu_data.x86 == 0x6) {
+		switch (boot_cpu_data.x86_model) {
+		case 26:
+		case 30:
+		case 37:
+		case 44:
+		case 46:
+			cpu_has_load_perf_global_ctrl = false;
+			printk_once(KERN_WARNING"kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL "
+					"does not work properly. Using workaround\n");
+			break;
+		default:
+			break;
+		}
+	}
+
 	return 0;
 }
 
-- 
GitLab


From d7cd97964ba6d70c558348bd2c87290dce885583 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Wed, 5 Oct 2011 14:01:23 +0200
Subject: [PATCH 0719/1594] KVM: VMX: Add support for guest/host-only profiling

Support guest/host-only profiling by switch perf msrs on
a guest entry if needed.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/vmx.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 55e849b52d9e..98f4b0bcc660 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -39,6 +39,7 @@
 #include <asm/mce.h>
 #include <asm/i387.h>
 #include <asm/xcr.h>
+#include <asm/perf_event.h>
 
 #include "trace.h"
 
@@ -6050,6 +6051,24 @@ static void vmx_cancel_injection(struct kvm_vcpu *vcpu)
 	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0);
 }
 
+static void atomic_switch_perf_msrs(struct vcpu_vmx *vmx)
+{
+	int i, nr_msrs;
+	struct perf_guest_switch_msr *msrs;
+
+	msrs = perf_guest_get_msrs(&nr_msrs);
+
+	if (!msrs)
+		return;
+
+	for (i = 0; i < nr_msrs; i++)
+		if (msrs[i].host == msrs[i].guest)
+			clear_atomic_switch_msr(vmx, msrs[i].msr);
+		else
+			add_atomic_switch_msr(vmx, msrs[i].msr, msrs[i].guest,
+					msrs[i].host);
+}
+
 #ifdef CONFIG_X86_64
 #define R "r"
 #define Q "q"
@@ -6099,6 +6118,8 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
 	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
 		vmx_set_interrupt_shadow(vcpu, 0);
 
+	atomic_switch_perf_msrs(vmx);
+
 	vmx->__launched = vmx->loaded_vmcs->launched;
 	asm(
 		/* Store host registers */
-- 
GitLab


From e7fc6f93b4242b2b566f0070709e27257d6da8a2 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Wed, 5 Oct 2011 14:01:24 +0200
Subject: [PATCH 0720/1594] KVM: VMX: Check for automatic switch msr table
 overflow

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/vmx.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 98f4b0bcc660..579a0b51696a 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1280,7 +1280,11 @@ static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr,
 		if (m->guest[i].index == msr)
 			break;
 
-	if (i == m->nr) {
+	if (i == NR_AUTOLOAD_MSRS) {
+		printk_once(KERN_WARNING"Not enough mst switch entries. "
+				"Can't add msr %x\n", msr);
+		return;
+	} else if (i == m->nr) {
 		++m->nr;
 		vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->nr);
 		vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
-- 
GitLab


From bb75c627fb0dfb8c0ab75d3033709ff928896e16 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Thu, 17 Nov 2011 15:26:35 +0100
Subject: [PATCH 0721/1594] Revert "KVM: PPC: Add support for explicit HIOR
 setting"

This reverts commit a15bd354f083f20f257db450488db52ac27df439.

It exceeded the padding on the SREGS struct, rendering the ABI
backwards-incompatible.

Conflicts:

	arch/powerpc/kvm/powerpc.c
	include/linux/kvm.h

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/powerpc/include/asm/kvm.h        |  8 --------
 arch/powerpc/include/asm/kvm_book3s.h |  2 --
 arch/powerpc/kvm/book3s_pr.c          | 14 ++------------
 arch/powerpc/kvm/powerpc.c            |  1 -
 include/linux/kvm.h                   |  1 -
 5 files changed, 2 insertions(+), 24 deletions(-)

diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h
index 08fe69edcd10..0ad432bc81d6 100644
--- a/arch/powerpc/include/asm/kvm.h
+++ b/arch/powerpc/include/asm/kvm.h
@@ -148,12 +148,6 @@ struct kvm_regs {
 #define KVM_SREGS_E_UPDATE_DEC		(1 << 2)
 #define KVM_SREGS_E_UPDATE_DBSR		(1 << 3)
 
-/*
- * Book3S special bits to indicate contents in the struct by maintaining
- * backwards compatibility with older structs. If adding a new field,
- * please make sure to add a flag for that new field */
-#define KVM_SREGS_S_HIOR		(1 << 0)
-
 /*
  * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
  * previous KVM_GET_REGS.
@@ -179,8 +173,6 @@ struct kvm_sregs {
 				__u64 ibat[8]; 
 				__u64 dbat[8]; 
 			} ppc32;
-			__u64 flags; /* KVM_SREGS_S_ */
-			__u64 hior;
 		} s;
 		struct {
 			union {
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index a384ffdf33de..d4df013ad779 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -90,8 +90,6 @@ struct kvmppc_vcpu_book3s {
 #endif
 	int context_id[SID_CONTEXTS];
 
-	bool hior_sregs;		/* HIOR is set by SREGS, not PVR */
-
 	struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
 	struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
 	struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index bc4d50dec78b..3c791e1eb675 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -151,16 +151,14 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 #ifdef CONFIG_PPC_BOOK3S_64
 	if ((pvr >= 0x330000) && (pvr < 0x70330000)) {
 		kvmppc_mmu_book3s_64_init(vcpu);
-		if (!to_book3s(vcpu)->hior_sregs)
-			to_book3s(vcpu)->hior = 0xfff00000;
+		to_book3s(vcpu)->hior = 0xfff00000;
 		to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL;
 		vcpu->arch.cpu_type = KVM_CPU_3S_64;
 	} else
 #endif
 	{
 		kvmppc_mmu_book3s_32_init(vcpu);
-		if (!to_book3s(vcpu)->hior_sregs)
-			to_book3s(vcpu)->hior = 0;
+		to_book3s(vcpu)->hior = 0;
 		to_book3s(vcpu)->msr_mask = 0xffffffffULL;
 		vcpu->arch.cpu_type = KVM_CPU_3S_32;
 	}
@@ -797,9 +795,6 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
 		}
 	}
 
-	if (sregs->u.s.flags & KVM_SREGS_S_HIOR)
-		sregs->u.s.hior = to_book3s(vcpu)->hior;
-
 	return 0;
 }
 
@@ -836,11 +831,6 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 	/* Flush the MMU after messing with the segments */
 	kvmppc_mmu_pte_flush(vcpu, 0, 0);
 
-	if (sregs->u.s.flags & KVM_SREGS_S_HIOR) {
-		to_book3s(vcpu)->hior_sregs = true;
-		to_book3s(vcpu)->hior = sregs->u.s.hior;
-	}
-
 	return 0;
 }
 
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index efbf9ad87203..607fbdf24b84 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -208,7 +208,6 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_PPC_BOOKE_SREGS:
 #else
 	case KVM_CAP_PPC_SEGSTATE:
-	case KVM_CAP_PPC_HIOR:
 	case KVM_CAP_PPC_PAPR:
 #endif
 	case KVM_CAP_PPC_UNSET_IRQ:
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index f47fcd30273d..c3892fc1d538 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -555,7 +555,6 @@ struct kvm_ppc_pvinfo {
 #define KVM_CAP_PPC_SMT 64
 #define KVM_CAP_PPC_RMA	65
 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
-#define KVM_CAP_PPC_HIOR 67
 #define KVM_CAP_PPC_PAPR 68
 #define KVM_CAP_S390_GMAP 71
 
-- 
GitLab


From bce34d14428d35d9a06ddc10cd46ecef311764c9 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Thu, 17 Nov 2011 15:05:14 +0000
Subject: [PATCH 0722/1594] ARM: perf: initialise used_mask for fake PMU during
 validation

When validating an event group, we call pmu->get_event_idx for each
group member in order to check that the group can be scheduled as a
unit on an empty PMU.

As a result of 3fc2c830 ("ARM: perf: remove event limit from
pmu_hw_events"), the used_mask member of struct cpu_hw_events must be
setup explicitly, something which we don't do for the fake cpu_hw_events
used for validation.

This patch sets up an empty used_mask for the fake validation
cpu_hw_events, preventing NULL deferences when trying to get the event
index.

Reported-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm/kernel/perf_event.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 24e2347be6b1..e508066d3d64 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -343,8 +343,14 @@ validate_group(struct perf_event *event)
 {
 	struct perf_event *sibling, *leader = event->group_leader;
 	struct pmu_hw_events fake_pmu;
+	DECLARE_BITMAP(fake_used_mask, ARMPMU_MAX_HWEVENTS);
 
-	memset(&fake_pmu, 0, sizeof(fake_pmu));
+	/*
+	 * Initialise the fake PMU. We only need to populate the
+	 * used_mask for the purposes of validation.
+	 */
+	memset(fake_used_mask, 0, sizeof(fake_used_mask));
+	fake_pmu.used_mask = fake_used_mask;
 
 	if (!validate_event(&fake_pmu, leader))
 		return -ENOSPC;
-- 
GitLab


From 2ed0e645f358c26f4f4a7aed56a9488db0020ad1 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <marc.zyngier@arm.com>
Date: Wed, 16 Nov 2011 12:27:39 +0000
Subject: [PATCH 0723/1594] genirq: Don't allow per cpu interrupts to be
 suspended

The power management functions related to interrupts do not know
(yet) about per-cpu interrupts and end up calling the wrong
low-level methods to enable/disable interrupts.

This leads to all kind of interesting issues (action taken on one
CPU only, updating a refcount which is not used otherwise...).

The workaround for the time being is simply to flag these interrupts
with IRQF_NO_SUSPEND. At least on ARM, these interrupts are actually
dealt with at the architecture level.

Reported-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1321446459-31409-1-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/irq/manage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 67ce837ae52c..0e2b179bc7b3 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1596,7 +1596,7 @@ int request_percpu_irq(unsigned int irq, irq_handler_t handler,
 		return -ENOMEM;
 
 	action->handler = handler;
-	action->flags = IRQF_PERCPU;
+	action->flags = IRQF_PERCPU | IRQF_NO_SUSPEND;
 	action->name = devname;
 	action->percpu_dev_id = dev_id;
 
-- 
GitLab


From 2391a0e06789a3f1718dee30b282562f7ed28c87 Mon Sep 17 00:00:00 2001
From: Timo Juhani Lindfors <timo.lindfors@iki.fi>
Date: Thu, 17 Nov 2011 02:52:50 +0200
Subject: [PATCH 0724/1594] ASoC: wm8753: Skip noop reconfiguration of DAI mode

This patch makes it possible to set DAI mode to its currently applied
value even if codec is active. This is necessary to allow

aplay -t raw -r 44100 -f S16_LE -c 2 < /dev/urandom &
alsactl store -f backup.state
alsactl restore -f backup.state

to work without returning errors. This patch is based on a patch sent
by Klaus Kurzmann <mok@fluxnetz.de>.

Signed-off-by: Timo Juhani Lindfors <timo.lindfors@iki.fi>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
---
 sound/soc/codecs/wm8753.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c
index a9504710bb69..3a629d0d690e 100644
--- a/sound/soc/codecs/wm8753.c
+++ b/sound/soc/codecs/wm8753.c
@@ -190,6 +190,9 @@ static int wm8753_set_dai(struct snd_kcontrol *kcontrol,
 	struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
 	u16 ioctl;
 
+	if (wm8753->dai_func == ucontrol->value.integer.value[0])
+		return 0;
+
 	if (codec->active)
 		return -EBUSY;
 
-- 
GitLab


From e5489847d6fc0ff176048b6e1cf5034507bf703a Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Thu, 17 Nov 2011 16:58:00 +0000
Subject: [PATCH 0725/1594] ARM: wire up process_vm_writev and process_vm_readv
 syscalls

These two syscalls were introduced during the last merge window.
Add the entries into the ARM call tables for them.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/include/asm/unistd.h | 2 ++
 arch/arm/kernel/calls.S       | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index c60a2944f95b..4a1123783806 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -402,6 +402,8 @@
 #define __NR_syncfs			(__NR_SYSCALL_BASE+373)
 #define __NR_sendmmsg			(__NR_SYSCALL_BASE+374)
 #define __NR_setns			(__NR_SYSCALL_BASE+375)
+#define __NR_process_vm_readv		(__NR_SYSCALL_BASE+376)
+#define __NR_process_vm_writev		(__NR_SYSCALL_BASE+377)
 
 /*
  * The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 9943e9e74a1b..463ff4a0ec8a 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -385,6 +385,8 @@
 		CALL(sys_syncfs)
 		CALL(sys_sendmmsg)
 /* 375 */	CALL(sys_setns)
+		CALL(sys_process_vm_readv)
+		CALL(sys_process_vm_writev)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
-- 
GitLab


From df92d0561de364de53c42abc5d43e04ab6f326a5 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jslaby@suse.cz>
Date: Wed, 16 Nov 2011 16:27:07 +0100
Subject: [PATCH 0726/1594] TTY: ldisc, allow waiting for ldisc arbitrarily
 long

To fix a nasty bug in ldisc hup vs. reinit we need to wait infinitely
long for ldisc to be gone. So here we add a parameter to
tty_ldisc_wait_idle to allow that.

This is only a preparation for the real fix which is done in the
following patches.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Dave Young <hidave.darkstar@gmail.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Dmitriy Matrosov <sgf.dma@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/tty_ldisc.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 512c49f98e85..534d176a78ed 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -547,15 +547,16 @@ static void tty_ldisc_flush_works(struct tty_struct *tty)
 /**
  *	tty_ldisc_wait_idle	-	wait for the ldisc to become idle
  *	@tty: tty to wait for
+ *	@timeout: for how long to wait at most
  *
  *	Wait for the line discipline to become idle. The discipline must
  *	have been halted for this to guarantee it remains idle.
  */
-static int tty_ldisc_wait_idle(struct tty_struct *tty)
+static int tty_ldisc_wait_idle(struct tty_struct *tty, long timeout)
 {
-	int ret;
+	long ret;
 	ret = wait_event_timeout(tty_ldisc_idle,
-			atomic_read(&tty->ldisc->users) == 1, 5 * HZ);
+			atomic_read(&tty->ldisc->users) == 1, timeout);
 	if (ret < 0)
 		return ret;
 	return ret > 0 ? 0 : -EBUSY;
@@ -665,7 +666,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc)
 
 	tty_ldisc_flush_works(tty);
 
-	retval = tty_ldisc_wait_idle(tty);
+	retval = tty_ldisc_wait_idle(tty, 5 * HZ);
 
 	tty_lock();
 	mutex_lock(&tty->ldisc_mutex);
@@ -762,7 +763,7 @@ static int tty_ldisc_reinit(struct tty_struct *tty, int ldisc)
 	if (IS_ERR(ld))
 		return -1;
 
-	WARN_ON_ONCE(tty_ldisc_wait_idle(tty));
+	WARN_ON_ONCE(tty_ldisc_wait_idle(tty, 5 * HZ));
 
 	tty_ldisc_close(tty, tty->ldisc);
 	tty_ldisc_put(tty->ldisc);
-- 
GitLab


From 300420722e0734a4254f3b634e0f82664495d210 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jslaby@suse.cz>
Date: Wed, 16 Nov 2011 16:27:08 +0100
Subject: [PATCH 0727/1594] TTY: ldisc, move wait idle to caller

It is the only place where reinit is called from. And we really need
to wait for the old ldisc to go once. Actually this is the place where
the waiting originally was (before removed and re-added later).

This will make the fix in the following patch easier to implement.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Dave Young <hidave.darkstar@gmail.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Dmitriy Matrosov <sgf.dma@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/tty_ldisc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 534d176a78ed..a69a755035b6 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -763,8 +763,6 @@ static int tty_ldisc_reinit(struct tty_struct *tty, int ldisc)
 	if (IS_ERR(ld))
 		return -1;
 
-	WARN_ON_ONCE(tty_ldisc_wait_idle(tty, 5 * HZ));
-
 	tty_ldisc_close(tty, tty->ldisc);
 	tty_ldisc_put(tty->ldisc);
 	tty->ldisc = NULL;
@@ -848,6 +846,8 @@ void tty_ldisc_hangup(struct tty_struct *tty)
 	   it means auditing a lot of other paths so this is
 	   a FIXME */
 	if (tty->ldisc) {	/* Not yet closed */
+		WARN_ON_ONCE(tty_ldisc_wait_idle(tty, 5 * HZ));
+
 		if (reset == 0) {
 
 			if (!tty_ldisc_reinit(tty, tty->termios->c_line))
-- 
GitLab


From 0c73c08ec73dbe080b9ec56696ee21d32754d918 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jslaby@suse.cz>
Date: Wed, 16 Nov 2011 16:27:09 +0100
Subject: [PATCH 0728/1594] TTY: ldisc, wait for ldisc infinitely in hangup

For /dev/console case, we do not kill all ldisc users. It's due to
redirected_tty_write test in __tty_hangup. In that case there still
might be a process waiting e.g. in n_tty_read for input.

We wait for such processes to disappear. The problem is that we use a
timeout. After this timeout, we continue closing the ldisc and start
freeing tty resources. It obviously leads to crashes when the other
process is woken.

So to fix this, we wait infinitely before reiniting the ldisc. (The
tiocsetd remains untouched -- times out after 5s.)

This is nicely reproducible with this run from shell:
  exec 0<>/dev/console 1<>/dev/console 2<>/dev/console
and stopping a getty like:
  systemctl stop serial-getty@ttyS0.service

The crash proper may be produced only under load or with constified
timing the same as for 92f6fa09b.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Dave Young <hidave.darkstar@gmail.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Dmitriy Matrosov <sgf.dma@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/tty_ldisc.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index a69a755035b6..8e0924f55446 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -36,6 +36,7 @@
 
 #include <linux/kmod.h>
 #include <linux/nsproxy.h>
+#include <linux/ratelimit.h>
 
 /*
  *	This guards the refcounted line discipline lists. The lock
@@ -837,7 +838,7 @@ void tty_ldisc_hangup(struct tty_struct *tty)
 	tty_unlock();
 	cancel_work_sync(&tty->buf.work);
 	mutex_unlock(&tty->ldisc_mutex);
-
+retry:
 	tty_lock();
 	mutex_lock(&tty->ldisc_mutex);
 
@@ -846,7 +847,21 @@ void tty_ldisc_hangup(struct tty_struct *tty)
 	   it means auditing a lot of other paths so this is
 	   a FIXME */
 	if (tty->ldisc) {	/* Not yet closed */
-		WARN_ON_ONCE(tty_ldisc_wait_idle(tty, 5 * HZ));
+		if (atomic_read(&tty->ldisc->users) != 1) {
+			char cur_n[TASK_COMM_LEN], tty_n[64];
+			long timeout = 3 * HZ;
+			tty_unlock();
+
+			while (tty_ldisc_wait_idle(tty, timeout) == -EBUSY) {
+				timeout = MAX_SCHEDULE_TIMEOUT;
+				printk_ratelimited(KERN_WARNING
+					"%s: waiting (%s) for %s took too long, but we keep waiting...\n",
+					__func__, get_task_comm(cur_n, current),
+					tty_name(tty, tty_n));
+			}
+			mutex_unlock(&tty->ldisc_mutex);
+			goto retry;
+		}
 
 		if (reset == 0) {
 
-- 
GitLab


From 4ba7d9997869d25bd223dea7536fc1ce9fab3b3b Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 16 Nov 2011 11:09:17 +0100
Subject: [PATCH 0729/1594] rt2800pci: handle spurious interrupts

Some devices may generate spurious interrupts, we have to handle them
otherwise interrupt line will be disabled with below message and driver
will not work:

[ 2052.114334] irq 17: nobody cared (try booting with the "irqpoll" option)
[ 2052.114339] Pid: 0, comm: swapper Tainted: P           2.6.35.6-48.fc14.x86_64 #1
[ 2052.114341] Call Trace:
[ 2052.114342]  <IRQ>  [<ffffffff810a6e2b>] __report_bad_irq.clone.1+0x3d/0x8b
[ 2052.114349]  [<ffffffff810a6f93>] note_interrupt+0x11a/0x17f
[ 2052.114352]  [<ffffffff810a7a73>] handle_fasteoi_irq+0xa8/0xce
[ 2052.114355]  [<ffffffff8100c2ea>] handle_irq+0x88/0x90
[ 2052.114357]  [<ffffffff8146f034>] do_IRQ+0x5c/0xb4
[ 2052.114360]  [<ffffffff81469593>] ret_from_intr+0x0/0x11
[ 2052.114361]  <EOI>  [<ffffffff8102b7f9>] ? native_safe_halt+0xb/0xd
[ 2052.114366]  [<ffffffff81010f03>] ? need_resched+0x23/0x2d
[ 2052.114367]  [<ffffffff8101102a>] default_idle+0x34/0x4f
[ 2052.114370]  [<ffffffff81008325>] cpu_idle+0xaa/0xcc
[ 2052.114373]  [<ffffffff81461f2a>] start_secondary+0x24d/0x28e
[ 2052.114374] handlers:
[ 2052.114375] [<ffffffff81332944>] (usb_hcd_irq+0x0/0x7c)
[ 2052.114378] [<ffffffffa00697da>] (rt2800pci_interrupt+0x0/0x18d [rt2800pci])
[ 2052.114384] Disabling IRQ #17

Resolve:
https://bugzilla.redhat.com/show_bug.cgi?id=658451

Reported-and-tested-by: Amir Hedayaty <hedayaty@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index da48c8ac27bd..4dc2d0f840d4 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -880,8 +880,13 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
 	rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
 	rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
 
+	/*
+	 * Some devices can generate interrupts with empty CSR register, we
+	 * "handle" such irq's to prevent interrupt controller treat them as
+	 * spurious interrupts and disable irq line.
+	 */
 	if (!reg)
-		return IRQ_NONE;
+		return IRQ_HANDLED;
 
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
-- 
GitLab


From 23085d5796561625db4143a671f1de081f66ef08 Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 16 Nov 2011 13:58:42 +0100
Subject: [PATCH 0730/1594] rt2x00: handle spurious pci interrupts

We have documented case of very bad performance issue on rt2800pci
device, because it generate spurious interrupt, what cause irq line
is disabled: https://bugzilla.redhat.com/show_bug.cgi?id=658451

We already address that problem in separate patch by returning
IRQ_HANDLED from interrupt handler. We think similar fix is needed for
other rt2x00 PCI devices, because users report performance problems on
these devices too.

Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2400pci.c | 2 +-
 drivers/net/wireless/rt2x00/rt2500pci.c | 2 +-
 drivers/net/wireless/rt2x00/rt61pci.c   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 3a6b40239bc1..676c7657f5f5 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1380,7 +1380,7 @@ static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
 	rt2x00pci_register_write(rt2x00dev, CSR7, reg);
 
 	if (!reg)
-		return IRQ_NONE;
+		return IRQ_HANDLED;
 
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index dcc0e1fcca77..d0b627c6c217 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1512,7 +1512,7 @@ static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance)
 	rt2x00pci_register_write(rt2x00dev, CSR7, reg);
 
 	if (!reg)
-		return IRQ_NONE;
+		return IRQ_HANDLED;
 
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index bf55b4a311e3..9d83e70f3e62 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2337,7 +2337,7 @@ static irqreturn_t rt61pci_interrupt(int irq, void *dev_instance)
 	rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
 
 	if (!reg && !reg_mcu)
-		return IRQ_NONE;
+		return IRQ_HANDLED;
 
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
-- 
GitLab


From 68fa64ef606bcee688fce46d07aa68f175070156 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Wed, 16 Nov 2011 23:16:15 +0100
Subject: [PATCH 0731/1594] rt2x00: Fix efuse EEPROM reading on PPC32.

Fix __le32 to __le16 conversion of the first word of an 8-word block
of EEPROM read via the efuse method.

Reported-and-tested-by: Ingvar Hagelund <ingvar@redpill-linpro.com>
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
CC: <stable@vger.kernel.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 3f183a15186e..1ba079dffb11 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -3771,7 +3771,7 @@ static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
 	/* Apparently the data is read from end to start */
 	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, &reg);
 	/* The returned value is in CPU order, but eeprom is le */
-	rt2x00dev->eeprom[i] = cpu_to_le32(reg);
+	*(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
 	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, &reg);
 	*(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
 	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, &reg);
-- 
GitLab


From 32d3a3922d617a5a685a5e2d24b20d0e88f192a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20B=C3=BCsch?= <m@bues.ch>
Date: Wed, 16 Nov 2011 23:48:31 +0100
Subject: [PATCH 0732/1594] p54spi: Add missing spin_lock_init

The tx_lock is not initialized properly. Add spin_lock_init().

Signed-off-by: Michael Buesch <m@bues.ch>
Cc: <stable@vger.kernel.org>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/p54/p54spi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index f18df82eeb92..dda97c54d28f 100644
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -656,6 +656,7 @@ static int __devinit p54spi_probe(struct spi_device *spi)
 	init_completion(&priv->fw_comp);
 	INIT_LIST_HEAD(&priv->tx_pending);
 	mutex_init(&priv->mutex);
+	spin_lock_init(&priv->tx_lock);
 	SET_IEEE80211_DEV(hw, &spi->dev);
 	priv->common.open = p54spi_op_start;
 	priv->common.stop = p54spi_op_stop;
-- 
GitLab


From 2d1618170eb493d18f66f2ac03775409a6fb97c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20B=C3=BCsch?= <m@bues.ch>
Date: Wed, 16 Nov 2011 23:55:46 +0100
Subject: [PATCH 0733/1594] p54spi: Fix workqueue deadlock

priv->work must not be synced while priv->mutex is locked, because
the mutex is taken in the work handler.
Move cancel_work_sync down to after the device shutdown code.
This is safe, because the work handler checks fw_state and bails out
early in case of a race.

Signed-off-by: Michael Buesch <m@bues.ch>
Cc: <stable@vger.kernel.org>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/p54/p54spi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index dda97c54d28f..78d0d6988553 100644
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -588,8 +588,6 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
 
 	WARN_ON(priv->fw_state != FW_STATE_READY);
 
-	cancel_work_sync(&priv->work);
-
 	p54spi_power_off(priv);
 	spin_lock_irqsave(&priv->tx_lock, flags);
 	INIT_LIST_HEAD(&priv->tx_pending);
@@ -597,6 +595,8 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
 
 	priv->fw_state = FW_STATE_OFF;
 	mutex_unlock(&priv->mutex);
+
+	cancel_work_sync(&priv->work);
 }
 
 static int __devinit p54spi_probe(struct spi_device *spi)
-- 
GitLab


From 8b258cc8ac229aa7d5dcb7cc34cb35d9124498ac Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Thu, 17 Nov 2011 21:39:33 +0100
Subject: [PATCH 0734/1594] PM Sleep: Do not extend wakeup paths to devices
 with ignore_children set

Commit 4ca46ff3e0d8c234cb40ebb6457653b59584426c (PM / Sleep: Mark
devices involved in wakeup signaling during suspend) introduced
the power.wakeup_path field in struct dev_pm_info to mark devices
whose children are enabled to wake up the system from sleep states,
so that power domains containing the parents that provide their
children with wakeup power and/or relay their wakeup signals are not
turned off.  Unfortunately, that introduced a PM regression on SH7372
whose power consumption in the system "memory sleep" state increased
as a result of it, because it prevented the power domain containing
the I2C controller from being turned off when some children of that
controller were enabled to wake up the system, although the
controller was not necessary for them to signal wakeup.

To fix this issue use the observation that devices whose
power.ignore_children flag is set for runtime PM should be treated
analogously during system suspend.  Namely, they shouldn't be
included in wakeup paths going through their children.  Since the
SH7372 I2C controller's power.ignore_children flag is set, doing so
will restore the previous behavior of that SOC.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/power/main.c  | 3 ++-
 include/linux/device.h     | 5 +++++
 include/linux/pm.h         | 2 +-
 include/linux/pm_runtime.h | 6 ------
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 7fa098464dae..c3d2dfcf438d 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -920,7 +920,8 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
  End:
 	if (!error) {
 		dev->power.is_suspended = true;
-		if (dev->power.wakeup_path && dev->parent)
+		if (dev->power.wakeup_path
+		    && dev->parent && !dev->parent->power.ignore_children)
 			dev->parent->power.wakeup_path = true;
 	}
 
diff --git a/include/linux/device.h b/include/linux/device.h
index ffbcf95cd97d..52b3a4111df9 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -682,6 +682,11 @@ static inline bool device_async_suspend_enabled(struct device *dev)
 	return !!dev->power.async_suspend;
 }
 
+static inline void pm_suspend_ignore_children(struct device *dev, bool enable)
+{
+	dev->power.ignore_children = enable;
+}
+
 static inline void device_lock(struct device *dev)
 {
 	mutex_lock(&dev->mutex);
diff --git a/include/linux/pm.h b/include/linux/pm.h
index f15acb646813..5c4c8b18c8b7 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -447,6 +447,7 @@ struct dev_pm_info {
 	unsigned int		async_suspend:1;
 	bool			is_prepared:1;	/* Owned by the PM core */
 	bool			is_suspended:1;	/* Ditto */
+	bool			ignore_children:1;
 	spinlock_t		lock;
 #ifdef CONFIG_PM_SLEEP
 	struct list_head	entry;
@@ -464,7 +465,6 @@ struct dev_pm_info {
 	atomic_t		usage_count;
 	atomic_t		child_count;
 	unsigned int		disable_depth:3;
-	unsigned int		ignore_children:1;
 	unsigned int		idle_notification:1;
 	unsigned int		request_pending:1;
 	unsigned int		deferred_resume:1;
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index d8d903619642..d3085e72a0ee 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -52,11 +52,6 @@ static inline bool pm_children_suspended(struct device *dev)
 		|| !atomic_read(&dev->power.child_count);
 }
 
-static inline void pm_suspend_ignore_children(struct device *dev, bool enable)
-{
-	dev->power.ignore_children = enable;
-}
-
 static inline void pm_runtime_get_noresume(struct device *dev)
 {
 	atomic_inc(&dev->power.usage_count);
@@ -130,7 +125,6 @@ static inline void pm_runtime_allow(struct device *dev) {}
 static inline void pm_runtime_forbid(struct device *dev) {}
 
 static inline bool pm_children_suspended(struct device *dev) { return false; }
-static inline void pm_suspend_ignore_children(struct device *dev, bool en) {}
 static inline void pm_runtime_get_noresume(struct device *dev) {}
 static inline void pm_runtime_put_noidle(struct device *dev) {}
 static inline bool device_run_wake(struct device *dev) { return false; }
-- 
GitLab


From 88995e809f8a8115f30db24696c9137aad93d570 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Thu, 17 Nov 2011 21:39:55 +0100
Subject: [PATCH 0735/1594] PM / shmobile: Fix build of sh7372_pm_init() for
 CONFIG_PM unset

Fix build regression introduced by commit 056879d2f244001b2888cdc8cf
(ARM: mach-shmobile: sh7372 A3SP no_suspend_console fix) by moving
the intialization of the A3SP domain to a separate function and
providing an empty definition of it for CONFIG_PM unset.

Reported-and-tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 arch/arm/mach-shmobile/pm-sh7372.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index 1ec35ebe2376..f15f07e15856 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -232,11 +232,23 @@ struct sh7372_pm_domain sh7372_a3sp = {
 	.no_debug = true,
 };
 
+static void sh7372_a3sp_init(void)
+{
+	/* serial consoles make use of SCIF hardware located in A3SP,
+	 * keep such power domain on if "no_console_suspend" is set.
+	 */
+	sh7372_a3sp.stay_on = !console_suspend_enabled;
+}
+
 struct sh7372_pm_domain sh7372_a3sg = {
 	.bit_shift = 13,
 };
 
-#endif /* CONFIG_PM */
+#else /* !CONFIG_PM */
+
+static inline void sh7372_a3sp_init(void) {}
+
+#endif /* !CONFIG_PM */
 
 #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE)
 static int sh7372_do_idle_core_standby(unsigned long unused)
@@ -474,10 +486,7 @@ void __init sh7372_pm_init(void)
 	/* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */
 	__raw_writel(0, PDNSEL);
 
-	/* serial consoles make use of SCIF hardware located in A3SP,
-	 * keep such power domain on if "no_console_suspend" is set.
-	 */
-	sh7372_a3sp.stay_on = !console_suspend_enabled;
+	sh7372_a3sp_init();
 
 	sh7372_suspend_init();
 	sh7372_cpuidle_init();
-- 
GitLab


From 457eafce618cf89125da9d79751d81241bd3fa34 Mon Sep 17 00:00:00 2001
From: Rakib Mullick <rakib.mullick@gmail.com>
Date: Wed, 16 Nov 2011 00:49:28 +0600
Subject: [PATCH 0736/1594] drm, i915: Fix memory leak in
 i915_gem_busy_ioctl().

A call to i915_add_request() has been made in function i915_gem_busy_ioctl(). i915_add_request can fail,
so in it's exit path previously allocated memory needs to be freed.

Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ed0b68fdb970..8359dc777041 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3512,9 +3512,11 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
 			 * so emit a request to do so.
 			 */
 			request = kzalloc(sizeof(*request), GFP_KERNEL);
-			if (request)
+			if (request) {
 				ret = i915_add_request(obj->ring, NULL, request);
-			else
+				if (ret)
+					kfree(request);
+			} else
 				ret = -ENOMEM;
 		}
 
-- 
GitLab


From f6f8285132907757ef84ef8dae0a1244b8cde6ac Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Thu, 17 Nov 2011 12:58:07 -0800
Subject: [PATCH 0737/1594] pstore: pass allocated memory region back to caller

The buf_lock cannot be held while populating the inodes, so make the backend
pass forward an allocated and filled buffer instead. This solves the following
backtrace. The effect is that "buf" is only ever used to notify the backends
that something was written to it, and shouldn't be used in the read path.

To replace the buf_lock during the read path, isolate the open/read/close
loop with a separate mutex to maintain serialized access to the backend.

Note that is is up to the pstore backend to cope if the (*write)() path is
called in the middle of the read path.

[   59.691019] BUG: sleeping function called from invalid context at .../mm/slub.c:847
[   59.691019] in_atomic(): 0, irqs_disabled(): 1, pid: 1819, name: mount
[   59.691019] Pid: 1819, comm: mount Not tainted 3.0.8 #1
[   59.691019] Call Trace:
[   59.691019]  [<810252d5>] __might_sleep+0xc3/0xca
[   59.691019]  [<810a26e6>] kmem_cache_alloc+0x32/0xf3
[   59.691019]  [<810b53ac>] ? __d_lookup_rcu+0x6f/0xf4
[   59.691019]  [<810b68b1>] alloc_inode+0x2a/0x64
[   59.691019]  [<810b6903>] new_inode+0x18/0x43
[   59.691019]  [<81142447>] pstore_get_inode.isra.1+0x11/0x98
[   59.691019]  [<81142623>] pstore_mkfile+0xae/0x26f
[   59.691019]  [<810a2a66>] ? kmem_cache_free+0x19/0xb1
[   59.691019]  [<8116c821>] ? ida_get_new_above+0x140/0x158
[   59.691019]  [<811708ea>] ? __init_rwsem+0x1e/0x2c
[   59.691019]  [<810b67e8>] ? inode_init_always+0x111/0x1b0
[   59.691019]  [<8102127e>] ? should_resched+0xd/0x27
[   59.691019]  [<8137977f>] ? _cond_resched+0xd/0x21
[   59.691019]  [<81142abf>] pstore_get_records+0x52/0xa7
[   59.691019]  [<8114254b>] pstore_fill_super+0x7d/0x91
[   59.691019]  [<810a7ff5>] mount_single+0x46/0x82
[   59.691019]  [<8114231a>] pstore_mount+0x15/0x17
[   59.691019]  [<811424ce>] ? pstore_get_inode.isra.1+0x98/0x98
[   59.691019]  [<810a8199>] mount_fs+0x5a/0x12d
[   59.691019]  [<810b9174>] ? alloc_vfsmnt+0xa4/0x14a
[   59.691019]  [<810b9474>] vfs_kern_mount+0x4f/0x7d
[   59.691019]  [<810b9d7e>] do_kern_mount+0x34/0xb2
[   59.691019]  [<810bb15f>] do_mount+0x5fc/0x64a
[   59.691019]  [<810912fb>] ? strndup_user+0x2e/0x3f
[   59.691019]  [<810bb3cb>] sys_mount+0x66/0x99
[   59.691019]  [<8137b537>] sysenter_do_call+0x12/0x26

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 drivers/acpi/apei/erst.c   | 31 ++++++++++++++++++++++---------
 drivers/firmware/efivars.c |  9 +++++++--
 fs/pstore/platform.c       | 13 ++++++++-----
 include/linux/pstore.h     |  4 +++-
 4 files changed, 40 insertions(+), 17 deletions(-)

diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 127408069ca7..631b9477b99c 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -932,7 +932,8 @@ static int erst_check_table(struct acpi_table_erst *erst_tab)
 static int erst_open_pstore(struct pstore_info *psi);
 static int erst_close_pstore(struct pstore_info *psi);
 static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
-			   struct timespec *time, struct pstore_info *psi);
+			   struct timespec *time, char **buf,
+			   struct pstore_info *psi);
 static int erst_writer(enum pstore_type_id type, u64 *id, unsigned int part,
 		       size_t size, struct pstore_info *psi);
 static int erst_clearer(enum pstore_type_id type, u64 id,
@@ -986,17 +987,23 @@ static int erst_close_pstore(struct pstore_info *psi)
 }
 
 static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
-			   struct timespec *time, struct pstore_info *psi)
+			   struct timespec *time, char **buf,
+			   struct pstore_info *psi)
 {
 	int rc;
 	ssize_t len = 0;
 	u64 record_id;
-	struct cper_pstore_record *rcd = (struct cper_pstore_record *)
-					(erst_info.buf - sizeof(*rcd));
+	struct cper_pstore_record *rcd;
+	size_t rcd_len = sizeof(*rcd) + erst_info.bufsize;
 
 	if (erst_disable)
 		return -ENODEV;
 
+	rcd = kmalloc(rcd_len, GFP_KERNEL);
+	if (!rcd) {
+		rc = -ENOMEM;
+		goto out;
+	}
 skip:
 	rc = erst_get_record_id_next(&reader_pos, &record_id);
 	if (rc)
@@ -1004,22 +1011,27 @@ skip:
 
 	/* no more record */
 	if (record_id == APEI_ERST_INVALID_RECORD_ID) {
-		rc = -1;
+		rc = -EINVAL;
 		goto out;
 	}
 
-	len = erst_read(record_id, &rcd->hdr, sizeof(*rcd) +
-			erst_info.bufsize);
+	len = erst_read(record_id, &rcd->hdr, rcd_len);
 	/* The record may be cleared by others, try read next record */
 	if (len == -ENOENT)
 		goto skip;
-	else if (len < 0) {
-		rc = -1;
+	else if (len < sizeof(*rcd)) {
+		rc = -EIO;
 		goto out;
 	}
 	if (uuid_le_cmp(rcd->hdr.creator_id, CPER_CREATOR_PSTORE) != 0)
 		goto skip;
 
+	*buf = kmalloc(len, GFP_KERNEL);
+	if (*buf == NULL) {
+		rc = -ENOMEM;
+		goto out;
+	}
+	memcpy(*buf, rcd->data, len - sizeof(*rcd));
 	*id = record_id;
 	if (uuid_le_cmp(rcd->sec_hdr.section_type,
 			CPER_SECTION_TYPE_DMESG) == 0)
@@ -1037,6 +1049,7 @@ skip:
 	time->tv_nsec = 0;
 
 out:
+	kfree(rcd);
 	return (rc < 0) ? rc : (len - sizeof(*rcd));
 }
 
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 8370f72d87ff..a54a6b972ced 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -457,7 +457,8 @@ static int efi_pstore_close(struct pstore_info *psi)
 }
 
 static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
-			       struct timespec *timespec, struct pstore_info *psi)
+			       struct timespec *timespec,
+			       char **buf, struct pstore_info *psi)
 {
 	efi_guid_t vendor = LINUX_EFI_CRASH_GUID;
 	struct efivars *efivars = psi->data;
@@ -478,7 +479,11 @@ static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
 				timespec->tv_nsec = 0;
 				get_var_data_locked(efivars, &efivars->walk_entry->var);
 				size = efivars->walk_entry->var.DataSize;
-				memcpy(psi->buf, efivars->walk_entry->var.Data, size);
+				*buf = kmalloc(size, GFP_KERNEL);
+				if (*buf == NULL)
+					return -ENOMEM;
+				memcpy(*buf, efivars->walk_entry->var.Data,
+				       size);
 				efivars->walk_entry = list_entry(efivars->walk_entry->list.next,
 					           struct efivar_entry, list);
 				return size;
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 2bd620f0d796..57bbf9078ac8 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -167,6 +167,7 @@ int pstore_register(struct pstore_info *psi)
 	}
 
 	psinfo = psi;
+	mutex_init(&psinfo->read_mutex);
 	spin_unlock(&pstore_lock);
 
 	if (owner && !try_module_get(owner)) {
@@ -195,30 +196,32 @@ EXPORT_SYMBOL_GPL(pstore_register);
 void pstore_get_records(int quiet)
 {
 	struct pstore_info *psi = psinfo;
+	char			*buf = NULL;
 	ssize_t			size;
 	u64			id;
 	enum pstore_type_id	type;
 	struct timespec		time;
 	int			failed = 0, rc;
-	unsigned long		flags;
 
 	if (!psi)
 		return;
 
-	spin_lock_irqsave(&psinfo->buf_lock, flags);
+	mutex_lock(&psi->read_mutex);
 	rc = psi->open(psi);
 	if (rc)
 		goto out;
 
-	while ((size = psi->read(&id, &type, &time, psi)) > 0) {
-		rc = pstore_mkfile(type, psi->name, id, psi->buf, (size_t)size,
+	while ((size = psi->read(&id, &type, &time, &buf, psi)) > 0) {
+		rc = pstore_mkfile(type, psi->name, id, buf, (size_t)size,
 				  time, psi);
+		kfree(buf);
+		buf = NULL;
 		if (rc && (rc != -EEXIST || !quiet))
 			failed++;
 	}
 	psi->close(psi);
 out:
-	spin_unlock_irqrestore(&psinfo->buf_lock, flags);
+	mutex_unlock(&psi->read_mutex);
 
 	if (failed)
 		printk(KERN_WARNING "pstore: failed to load %d record(s) from '%s'\n",
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index ea567321ae3c..2ca8cde5459d 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -35,10 +35,12 @@ struct pstore_info {
 	spinlock_t	buf_lock;	/* serialize access to 'buf' */
 	char		*buf;
 	size_t		bufsize;
+	struct mutex	read_mutex;	/* serialize open/read/close */
 	int		(*open)(struct pstore_info *psi);
 	int		(*close)(struct pstore_info *psi);
 	ssize_t		(*read)(u64 *id, enum pstore_type_id *type,
-			struct timespec *time, struct pstore_info *psi);
+			struct timespec *time, char **buf,
+			struct pstore_info *psi);
 	int		(*write)(enum pstore_type_id type, u64 *id,
 			unsigned int part, size_t size, struct pstore_info *psi);
 	int		(*erase)(enum pstore_type_id type, u64 id,
-- 
GitLab


From 04b38670cf46c096705f24e92a8747d1ab89e53c Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 16 Nov 2011 10:58:03 +0100
Subject: [PATCH 0738/1594] drm/i915: Fix inconsistent backlight level during
 disabled

When the brightness property is inquired while the backlight is disabled,
the driver returns a wrong value (zero) because it probes the value after
the backlight was turned off.  This caused a black screen even after the
backlight is enabled again.  It should return the internal backlight_level
instead, so that it won't be influenced by the backlight-enable state.

BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=41926
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/872652

Tested-by: Kamal Mostafa <kamal@canonical.com>
Cc: Alex Davis <alex14641@yahoo.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_panel.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 499d4c0dbeeb..21f60b7d69a3 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -326,7 +326,8 @@ static int intel_panel_update_status(struct backlight_device *bd)
 static int intel_panel_get_brightness(struct backlight_device *bd)
 {
 	struct drm_device *dev = bl_get_data(bd);
-	return intel_panel_get_backlight(dev);
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	return dev_priv->backlight_level;
 }
 
 static const struct backlight_ops intel_panel_bl_ops = {
-- 
GitLab


From 38ff1edb52f737d490126728e3d5ba2b8d2f3ba0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Thu, 17 Nov 2011 02:58:55 +0000
Subject: [PATCH 0739/1594] f_phonet: fix page offset of first received
 fragment
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

We pull one byte (the MAC header) from the first fragment before the
fragment is actually appended. So the socket buffer length is 1, not 0.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/usb/gadget/f_phonet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 349077033338..16a509ae517b 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -346,7 +346,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req)
 		}
 
 		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
-				skb->len == 0, req->actual);
+				skb->len <= 1, req->actual);
 		page = NULL;
 
 		if (req->actual < req->length) { /* Last fragment */
-- 
GitLab


From d004e024058a0eaca097513ce62cbcf978913e0a Mon Sep 17 00:00:00 2001
From: Hector Palacios <hector.palacios@digi.com>
Date: Mon, 14 Nov 2011 11:15:25 +0100
Subject: [PATCH 0740/1594] timekeeping: add arch_offset hook to ktime_get
 functions

ktime_get and ktime_get_ts were calling timekeeping_get_ns()
but later they were not calling arch_gettimeoffset() so architectures
using this mechanism returned 0 ns when calling these functions.

This happened for example when running Busybox's ping which calls
syscall(__NR_clock_gettime, CLOCK_MONOTONIC, ts) which eventually
calls ktime_get. As a result the returned ping travel time was zero.

CC: stable@kernel.org
Signed-off-by: Hector Palacios <hector.palacios@digi.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 kernel/time/timekeeping.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index e9f60d311436..237841378c03 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -249,6 +249,8 @@ ktime_t ktime_get(void)
 		secs = xtime.tv_sec + wall_to_monotonic.tv_sec;
 		nsecs = xtime.tv_nsec + wall_to_monotonic.tv_nsec;
 		nsecs += timekeeping_get_ns();
+		/* If arch requires, add in gettimeoffset() */
+		nsecs += arch_gettimeoffset();
 
 	} while (read_seqretry(&xtime_lock, seq));
 	/*
@@ -280,6 +282,8 @@ void ktime_get_ts(struct timespec *ts)
 		*ts = xtime;
 		tomono = wall_to_monotonic;
 		nsecs = timekeeping_get_ns();
+		/* If arch requires, add in gettimeoffset() */
+		nsecs += arch_gettimeoffset();
 
 	} while (read_seqretry(&xtime_lock, seq));
 
-- 
GitLab


From 4a8bb7e27fbb68da888b55f26defd2855225b2d5 Mon Sep 17 00:00:00 2001
From: Veaceslav Falico <vfalico@redhat.com>
Date: Tue, 15 Nov 2011 06:44:42 +0000
Subject: [PATCH 0741/1594] bonding: Don't allow mode change via sysfs with
 slaves present
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When changing mode via bonding's sysfs, the slaves are not initialized
correctly. Forbid to change modes with slaves present to ensure that every
slave is initialized correctly via bond_enslave().

Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Acked-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_sysfs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 5a20804fdece..4ef7e2fd9fe6 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -319,6 +319,13 @@ static ssize_t bonding_store_mode(struct device *d,
 		goto out;
 	}
 
+	if (bond->slave_cnt > 0) {
+		pr_err("unable to update mode of %s because it has slaves.\n",
+			bond->dev->name);
+		ret = -EPERM;
+		goto out;
+	}
+
 	new_value = bond_parse_parm(buf, bond_mode_tbl);
 	if (new_value < 0)  {
 		pr_err("%s: Ignoring invalid mode value %.*s.\n",
-- 
GitLab


From 3e37fd3153ac95088a74f5e7c569f7567e9f993a Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 17 Nov 2011 18:17:59 -0800
Subject: [PATCH 0742/1594] sparc: Kill custom io_remap_pfn_range().

To handle the large physical addresses, just make a simple wrapper
around remap_pfn_range() like MIPS does.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/include/asm/pgtable_32.h |  20 +++-
 arch/sparc/include/asm/pgtable_64.h |  20 +++-
 arch/sparc/mm/Makefile              |   1 -
 arch/sparc/mm/generic_32.c          |  99 -----------------
 arch/sparc/mm/generic_64.c          | 165 ----------------------------
 5 files changed, 32 insertions(+), 273 deletions(-)
 delete mode 100644 arch/sparc/mm/generic_32.c
 delete mode 100644 arch/sparc/mm/generic_64.c

diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 5b31a8e89823..a790cc657476 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -431,10 +431,6 @@ extern unsigned long *sparc_valid_addr_bitmap;
 #define kern_addr_valid(addr) \
 	(test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap))
 
-extern int io_remap_pfn_range(struct vm_area_struct *vma,
-			      unsigned long from, unsigned long pfn,
-			      unsigned long size, pgprot_t prot);
-
 /*
  * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
  * its high 4 bits.  These macros/functions put it there or get it from there.
@@ -443,6 +439,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma,
 #define GET_IOSPACE(pfn)		(pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)			(pfn & 0x0fffffffUL)
 
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+			   unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+				     unsigned long from, unsigned long pfn,
+				     unsigned long size, pgprot_t prot)
+{
+	unsigned long long offset, space, phys_base;
+
+	offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT;
+	space = GET_IOSPACE(pfn);
+	phys_base = offset | (space << 32ULL);
+
+	return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
 #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
 ({									  \
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index adf89329af59..38ebb2c60137 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -757,10 +757,6 @@ static inline bool kern_addr_valid(unsigned long addr)
 
 extern int page_in_phys_avail(unsigned long paddr);
 
-extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-			       unsigned long pfn,
-			       unsigned long size, pgprot_t prot);
-
 /*
  * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
  * its high 4 bits.  These macros/functions put it there or get it from there.
@@ -769,6 +765,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
 #define GET_IOSPACE(pfn)		(pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)			(pfn & 0x0fffffffffffffffUL)
 
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+			   unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+				     unsigned long from, unsigned long pfn,
+				     unsigned long size, pgprot_t prot)
+{
+	unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
+	int space = GET_IOSPACE(pfn);
+	unsigned long phys_base;
+
+	phys_base = offset | (((unsigned long) space) << 32UL);
+
+	return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
 #include <asm-generic/pgtable.h>
 
 /* We provide our own get_unmapped_area to cope with VA holes and
diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
index e3cda21b5ee9..301421c11291 100644
--- a/arch/sparc/mm/Makefile
+++ b/arch/sparc/mm/Makefile
@@ -8,7 +8,6 @@ obj-$(CONFIG_SPARC64)   += ultra.o tlb.o tsb.o gup.o
 obj-y                   += fault_$(BITS).o
 obj-y                   += init_$(BITS).o
 obj-$(CONFIG_SPARC32)   += loadmmu.o
-obj-y                   += generic_$(BITS).o
 obj-$(CONFIG_SPARC32)   += extable.o btfixup.o srmmu.o iommu.o io-unit.o
 obj-$(CONFIG_SPARC32)   += hypersparc.o viking.o tsunami.o swift.o
 obj-$(CONFIG_SPARC_LEON)+= leon_mm.o
diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c
deleted file mode 100644
index 6ca39a60a196..000000000000
--- a/arch/sparc/mm/generic_32.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- *            MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/pagemap.h>
-#include <linux/export.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigned long address, unsigned long size,
-	unsigned long offset, pgprot_t prot, int space)
-{
-	unsigned long end;
-
-	address &= ~PMD_MASK;
-	end = address + size;
-	if (end > PMD_SIZE)
-		end = PMD_SIZE;
-	do {
-		set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space));
-		address += PAGE_SIZE;
-		offset += PAGE_SIZE;
-		pte++;
-	} while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
-	unsigned long offset, pgprot_t prot, int space)
-{
-	unsigned long end;
-
-	address &= ~PGDIR_MASK;
-	end = address + size;
-	if (end > PGDIR_SIZE)
-		end = PGDIR_SIZE;
-	offset -= address;
-	do {
-		pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
-		if (!pte)
-			return -ENOMEM;
-		io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
-		address = (address + PMD_SIZE) & PMD_MASK;
-		pmd++;
-	} while (address < end);
-	return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-		       unsigned long pfn, unsigned long size, pgprot_t prot)
-{
-	int error = 0;
-	pgd_t * dir;
-	unsigned long beg = from;
-	unsigned long end = from + size;
-	struct mm_struct *mm = vma->vm_mm;
-	int space = GET_IOSPACE(pfn);
-	unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
-
-	/* See comment in mm/memory.c remap_pfn_range */
-	vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
-	vma->vm_pgoff = (offset >> PAGE_SHIFT) |
-		((unsigned long)space << 28UL);
-
-	offset -= from;
-	dir = pgd_offset(mm, from);
-	flush_cache_range(vma, beg, end);
-
-	while (from < end) {
-		pmd_t *pmd = pmd_alloc(mm, dir, from);
-		error = -ENOMEM;
-		if (!pmd)
-			break;
-		error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space);
-		if (error)
-			break;
-		from = (from + PGDIR_SIZE) & PGDIR_MASK;
-		dir++;
-	}
-
-	flush_tlb_range(vma, beg, end);
-	return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c
deleted file mode 100644
index 9b357ddae39d..000000000000
--- a/arch/sparc/mm/generic_64.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- *            MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/export.h>
-#include <linux/pagemap.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
-				      unsigned long address,
-				      unsigned long size,
-				      unsigned long offset, pgprot_t prot,
-				      int space)
-{
-	unsigned long end;
-
-	/* clear hack bit that was used as a write_combine side-effect flag */
-	offset &= ~0x1UL;
-	address &= ~PMD_MASK;
-	end = address + size;
-	if (end > PMD_SIZE)
-		end = PMD_SIZE;
-	do {
-		pte_t entry;
-		unsigned long curend = address + PAGE_SIZE;
-		
-		entry = mk_pte_io(offset, prot, space, PAGE_SIZE);
-		if (!(address & 0xffff)) {
-			if (PAGE_SIZE < (4 * 1024 * 1024) &&
-			    !(address & 0x3fffff) &&
-			    !(offset & 0x3ffffe) &&
-			    end >= address + 0x400000) {
-				entry = mk_pte_io(offset, prot, space,
-						  4 * 1024 * 1024);
-				curend = address + 0x400000;
-				offset += 0x400000;
-			} else if (PAGE_SIZE < (512 * 1024) &&
-				   !(address & 0x7ffff) &&
-				   !(offset & 0x7fffe) &&
-				   end >= address + 0x80000) {
-				entry = mk_pte_io(offset, prot, space,
-						  512 * 1024 * 1024);
-				curend = address + 0x80000;
-				offset += 0x80000;
-			} else if (PAGE_SIZE < (64 * 1024) &&
-				   !(offset & 0xfffe) &&
-				   end >= address + 0x10000) {
-				entry = mk_pte_io(offset, prot, space,
-						  64 * 1024);
-				curend = address + 0x10000;
-				offset += 0x10000;
-			} else
-				offset += PAGE_SIZE;
-		} else
-			offset += PAGE_SIZE;
-
-		if (pte_write(entry))
-			entry = pte_mkdirty(entry);
-		do {
-			BUG_ON(!pte_none(*pte));
-			set_pte_at(mm, address, pte, entry);
-			address += PAGE_SIZE;
-			pte_val(entry) += PAGE_SIZE;
-			pte++;
-		} while (address < curend);
-	} while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
-	unsigned long offset, pgprot_t prot, int space)
-{
-	unsigned long end;
-
-	address &= ~PGDIR_MASK;
-	end = address + size;
-	if (end > PGDIR_SIZE)
-		end = PGDIR_SIZE;
-	offset -= address;
-	do {
-		pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
-		if (!pte)
-			return -ENOMEM;
-		io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
-		pte_unmap(pte);
-		address = (address + PMD_SIZE) & PMD_MASK;
-		pmd++;
-	} while (address < end);
-	return 0;
-}
-
-static inline int io_remap_pud_range(struct mm_struct *mm, pud_t * pud, unsigned long address, unsigned long size,
-	unsigned long offset, pgprot_t prot, int space)
-{
-	unsigned long end;
-
-	address &= ~PUD_MASK;
-	end = address + size;
-	if (end > PUD_SIZE)
-		end = PUD_SIZE;
-	offset -= address;
-	do {
-		pmd_t *pmd = pmd_alloc(mm, pud, address);
-		if (!pud)
-			return -ENOMEM;
-		io_remap_pmd_range(mm, pmd, address, end - address, address + offset, prot, space);
-		address = (address + PUD_SIZE) & PUD_MASK;
-		pud++;
-	} while (address < end);
-	return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-		unsigned long pfn, unsigned long size, pgprot_t prot)
-{
-	int error = 0;
-	pgd_t * dir;
-	unsigned long beg = from;
-	unsigned long end = from + size;
-	struct mm_struct *mm = vma->vm_mm;
-	int space = GET_IOSPACE(pfn);
-	unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
-	unsigned long phys_base;
-
-	phys_base = offset | (((unsigned long) space) << 32UL);
-
-	/* See comment in mm/memory.c remap_pfn_range */
-	vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
-	vma->vm_pgoff = phys_base >> PAGE_SHIFT;
-
-	offset -= from;
-	dir = pgd_offset(mm, from);
-	flush_cache_range(vma, beg, end);
-
-	while (from < end) {
-		pud_t *pud = pud_alloc(mm, dir, from);
-		error = -ENOMEM;
-		if (!pud)
-			break;
-		error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space);
-		if (error)
-			break;
-		from = (from + PGDIR_SIZE) & PGDIR_MASK;
-		dir++;
-	}
-
-	flush_tlb_range(vma, beg, end);
-	return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
-- 
GitLab


From 738a849c8eef4787a526d95763f985b8c1cb68e4 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Thu, 17 Nov 2011 14:37:23 +0000
Subject: [PATCH 0743/1594] sky2: enforce minimum ring size

The hardware has a restriction that the minimum ring size possible
is 128. The number of elements used is controlled by tx_pending and
the overall number of elements in the ring tx_ring_size, therefore it
is okay to limit the number of elements in use to a small value (63)
but still provide a bigger ring.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/sky2.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 539de09cffc9..d99687177704 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4088,6 +4088,16 @@ static int sky2_set_coalesce(struct net_device *dev,
 	return 0;
 }
 
+/*
+ * Hardware is limited to min of 128 and max of 2048 for ring size
+ * and  rounded up to next power of two
+ * to avoid division in modulus calclation
+ */
+static unsigned long roundup_ring_size(unsigned long pending)
+{
+	return max(128ul, roundup_pow_of_two(pending+1));
+}
+
 static void sky2_get_ringparam(struct net_device *dev,
 			       struct ethtool_ringparam *ering)
 {
@@ -4115,7 +4125,7 @@ static int sky2_set_ringparam(struct net_device *dev,
 
 	sky2->rx_pending = ering->rx_pending;
 	sky2->tx_pending = ering->tx_pending;
-	sky2->tx_ring_size = roundup_pow_of_two(sky2->tx_pending+1);
+	sky2->tx_ring_size = roundup_ring_size(sky2->tx_pending);
 
 	return sky2_reattach(dev);
 }
@@ -4709,7 +4719,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
 	spin_lock_init(&sky2->phy_lock);
 
 	sky2->tx_pending = TX_DEF_PENDING;
-	sky2->tx_ring_size = roundup_pow_of_two(TX_DEF_PENDING+1);
+	sky2->tx_ring_size = roundup_ring_size(TX_DEF_PENDING);
 	sky2->rx_pending = RX_DEF_PENDING;
 
 	hw->dev[port] = dev;
-- 
GitLab


From 282edcece39e08d02c22492d593e4b9b94a65dff Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Thu, 17 Nov 2011 14:37:35 +0000
Subject: [PATCH 0744/1594] sky2: fix hang in napi_disable

If IRQ was never initialized, then calling napi_disable() would hang.
Add more bookkeeping to track whether IRQ was ever initialized.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/sky2.c | 17 ++++++++++-------
 drivers/net/ethernet/marvell/sky2.h |  1 +
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index d99687177704..7803efa46eb2 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -1723,6 +1723,8 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name)
 	if (err)
 		dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq);
 	else {
+		hw->flags |= SKY2_HW_IRQ_SETUP;
+
 		napi_enable(&hw->napi);
 		sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
 		sky2_read32(hw, B0_IMSK);
@@ -2120,6 +2122,7 @@ static int sky2_close(struct net_device *dev)
 
 		napi_disable(&hw->napi);
 		free_irq(hw->pdev->irq, hw);
+		hw->flags &= ~SKY2_HW_IRQ_SETUP;
 	} else {
 		u32 imask;
 
@@ -3423,12 +3426,13 @@ static void sky2_all_down(struct sky2_hw *hw)
 {
 	int i;
 
-	sky2_read32(hw, B0_IMSK);
-	sky2_write32(hw, B0_IMSK, 0);
+	if (hw->flags & SKY2_HW_IRQ_SETUP) {
+		sky2_read32(hw, B0_IMSK);
+		sky2_write32(hw, B0_IMSK, 0);
 
-	if (hw->ports > 1 || netif_running(hw->dev[0]))
 		synchronize_irq(hw->pdev->irq);
-	napi_disable(&hw->napi);
+		napi_disable(&hw->napi);
+	}
 
 	for (i = 0; i < hw->ports; i++) {
 		struct net_device *dev = hw->dev[i];
@@ -3445,7 +3449,7 @@ static void sky2_all_down(struct sky2_hw *hw)
 
 static void sky2_all_up(struct sky2_hw *hw)
 {
-	u32 imask = 0;
+	u32 imask = Y2_IS_BASE;
 	int i;
 
 	for (i = 0; i < hw->ports; i++) {
@@ -3461,8 +3465,7 @@ static void sky2_all_up(struct sky2_hw *hw)
 		netif_wake_queue(dev);
 	}
 
-	if (imask || hw->ports > 1) {
-		imask |= Y2_IS_BASE;
+	if (hw->flags & SKY2_HW_IRQ_SETUP) {
 		sky2_write32(hw, B0_IMSK, imask);
 		sky2_read32(hw, B0_IMSK);
 		sky2_read32(hw, B0_Y2_SP_LISR);
diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h
index 0af31b8b5f10..ff6f58bf822a 100644
--- a/drivers/net/ethernet/marvell/sky2.h
+++ b/drivers/net/ethernet/marvell/sky2.h
@@ -2287,6 +2287,7 @@ struct sky2_hw {
 #define SKY2_HW_RSS_BROKEN	0x00000100
 #define SKY2_HW_VLAN_BROKEN     0x00000200
 #define SKY2_HW_RSS_CHKSUM	0x00000400	/* RSS requires chksum */
+#define SKY2_HW_IRQ_SETUP	0x00000800
 
 	u8	     	     chip_id;
 	u8		     chip_rev;
-- 
GitLab


From 0b64120cceb86e93cb1bda0dc055f13016646907 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 17 Nov 2011 22:44:58 -0800
Subject: [PATCH 0745/1594] sparc64: Patch sun4v code sequences properly on
 module load.

Some of the sun4v code patching occurs in inline functions visible
to, and usable by, modules.

Therefore we have to patch them up during module load.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/entry.h    |  7 ++++++
 arch/sparc/kernel/module.c   | 27 ++++++++++++++++++++
 arch/sparc/kernel/setup_64.c | 48 ++++++++++++++++++++++--------------
 3 files changed, 63 insertions(+), 19 deletions(-)

diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index e27f8ea8656e..0c218e4c0881 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -42,6 +42,9 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
 extern void fpload(unsigned long *fpregs, unsigned long *fsr);
 
 #else /* CONFIG_SPARC32 */
+
+#include <asm/trap_block.h>
+
 struct popc_3insn_patch_entry {
 	unsigned int	addr;
 	unsigned int	insns[3];
@@ -57,6 +60,10 @@ extern struct popc_6insn_patch_entry __popc_6insn_patch,
 	__popc_6insn_patch_end;
 
 extern void __init per_cpu_patch(void);
+extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
+				    struct sun4v_1insn_patch_entry *);
+extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
+				    struct sun4v_2insn_patch_entry *);
 extern void __init sun4v_patch(void);
 extern void __init boot_cpu_id_too_large(int cpu);
 extern unsigned int dcache_parity_tl1_occurred;
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index da0c6c70ccb2..e5519870c3d9 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -17,6 +17,8 @@
 #include <asm/processor.h>
 #include <asm/spitfire.h>
 
+#include "entry.h"
+
 #ifdef CONFIG_SPARC64
 
 #include <linux/jump_label.h>
@@ -203,6 +205,29 @@ int apply_relocate_add(Elf_Shdr *sechdrs,
 }
 
 #ifdef CONFIG_SPARC64
+static void do_patch_sections(const Elf_Ehdr *hdr,
+			      const Elf_Shdr *sechdrs)
+{
+	const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL;
+	char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+
+	for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) {
+		if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name))
+			sun4v_1insn = s;
+		if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name))
+			sun4v_2insn = s;
+	}
+
+	if (sun4v_1insn && tlb_type == hypervisor) {
+		void *p = (void *) sun4v_1insn->sh_addr;
+		sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size);
+	}
+	if (sun4v_2insn && tlb_type == hypervisor) {
+		void *p = (void *) sun4v_2insn->sh_addr;
+		sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size);
+	}
+}
+
 int module_finalize(const Elf_Ehdr *hdr,
 		    const Elf_Shdr *sechdrs,
 		    struct module *me)
@@ -210,6 +235,8 @@ int module_finalize(const Elf_Ehdr *hdr,
 	/* make jump label nops */
 	jump_label_apply_nops(me);
 
+	do_patch_sections(hdr, sechdrs);
+
 	/* Cheetah's I-cache is fully coherent.  */
 	if (tlb_type == spitfire) {
 		unsigned long va;
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index c965595aa7e9..a854a1c240ff 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -234,40 +234,50 @@ void __init per_cpu_patch(void)
 	}
 }
 
-void __init sun4v_patch(void)
+void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *start,
+			     struct sun4v_1insn_patch_entry *end)
 {
-	extern void sun4v_hvapi_init(void);
-	struct sun4v_1insn_patch_entry *p1;
-	struct sun4v_2insn_patch_entry *p2;
-
-	if (tlb_type != hypervisor)
-		return;
+	while (start < end) {
+		unsigned long addr = start->addr;
 
-	p1 = &__sun4v_1insn_patch;
-	while (p1 < &__sun4v_1insn_patch_end) {
-		unsigned long addr = p1->addr;
-
-		*(unsigned int *) (addr +  0) = p1->insn;
+		*(unsigned int *) (addr +  0) = start->insn;
 		wmb();
 		__asm__ __volatile__("flush	%0" : : "r" (addr +  0));
 
-		p1++;
+		start++;
 	}
+}
 
-	p2 = &__sun4v_2insn_patch;
-	while (p2 < &__sun4v_2insn_patch_end) {
-		unsigned long addr = p2->addr;
+void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start,
+			     struct sun4v_2insn_patch_entry *end)
+{
+	while (start < end) {
+		unsigned long addr = start->addr;
 
-		*(unsigned int *) (addr +  0) = p2->insns[0];
+		*(unsigned int *) (addr +  0) = start->insns[0];
 		wmb();
 		__asm__ __volatile__("flush	%0" : : "r" (addr +  0));
 
-		*(unsigned int *) (addr +  4) = p2->insns[1];
+		*(unsigned int *) (addr +  4) = start->insns[1];
 		wmb();
 		__asm__ __volatile__("flush	%0" : : "r" (addr +  4));
 
-		p2++;
+		start++;
 	}
+}
+
+void __init sun4v_patch(void)
+{
+	extern void sun4v_hvapi_init(void);
+
+	if (tlb_type != hypervisor)
+		return;
+
+	sun4v_patch_1insn_range(&__sun4v_1insn_patch,
+				&__sun4v_1insn_patch_end);
+
+	sun4v_patch_2insn_range(&__sun4v_2insn_patch,
+				&__sun4v_2insn_patch_end);
 
 	sun4v_hvapi_init();
 }
-- 
GitLab


From 19d7ca2998e095086869318dd2ad966952f5ac82 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Date: Fri, 18 Nov 2011 16:32:34 +0900
Subject: [PATCH 0746/1594] sh: fix build warning in board-sh7757lcr
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This patch fixed the following build warnings:

  CC      arch/sh/boards/board-sh7757lcr.o
arch/sh/boards/board-sh7757lcr.c:77: warning: initialization from incompatible pointer type
arch/sh/boards/board-sh7757lcr.c:106: warning: initialization from incompatible pointer type
arch/sh/boards/board-sh7757lcr.c:151: warning: initialization from incompatible pointer type
arch/sh/boards/board-sh7757lcr.c:181: warning: initialization from incompatible pointer type
arch/sh/boards/board-sh7757lcr.c:213: warning: missing braces around initializer
arch/sh/boards/board-sh7757lcr.c:213: warning: (near initialization for ‘sh7757lcr_mmcif_dma.chan_priv_tx’)

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-sh7757lcr.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c
index ec8c84c14b17..895e337c79b6 100644
--- a/arch/sh/boards/board-sh7757lcr.c
+++ b/arch/sh/boards/board-sh7757lcr.c
@@ -50,9 +50,9 @@ static struct platform_device heartbeat_device = {
 #define GBECONT		0xffc10100
 #define GBECONT_RMII1	BIT(17)
 #define GBECONT_RMII0	BIT(16)
-static void sh7757_eth_set_mdio_gate(unsigned long addr)
+static void sh7757_eth_set_mdio_gate(void *addr)
 {
-	if ((addr & 0x00000fff) < 0x0800)
+	if (((unsigned long)addr & 0x00000fff) < 0x0800)
 		writel(readl(GBECONT) | GBECONT_RMII0, GBECONT);
 	else
 		writel(readl(GBECONT) | GBECONT_RMII1, GBECONT);
@@ -116,9 +116,9 @@ static struct platform_device sh7757_eth1_device = {
 	},
 };
 
-static void sh7757_eth_giga_set_mdio_gate(unsigned long addr)
+static void sh7757_eth_giga_set_mdio_gate(void *addr)
 {
-	if ((addr & 0x00000fff) < 0x0800) {
+	if (((unsigned long)addr & 0x00000fff) < 0x0800) {
 		gpio_set_value(GPIO_PTT4, 1);
 		writel(readl(GBECONT) & ~GBECONT_RMII0, GBECONT);
 	} else {
@@ -210,8 +210,12 @@ static struct resource sh_mmcif_resources[] = {
 };
 
 static struct sh_mmcif_dma sh7757lcr_mmcif_dma = {
-	.chan_priv_tx	= SHDMA_SLAVE_MMCIF_TX,
-	.chan_priv_rx	= SHDMA_SLAVE_MMCIF_RX,
+	.chan_priv_tx	= {
+		.slave_id = SHDMA_SLAVE_MMCIF_TX,
+	},
+	.chan_priv_rx	= {
+		.slave_id = SHDMA_SLAVE_MMCIF_RX,
+	}
 };
 
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
-- 
GitLab


From ef319c6e095676e0247fd24ef8ff7f085c19744f Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Thu, 20 Oct 2011 13:36:59 +0300
Subject: [PATCH 0747/1594] OMAPDSS: HDMI: fix returned HDMI pixel clock

hdmi_get_pixel_clock() returns the pixel clock in Hz, but the pck is
stored as kHz. This means the return value has to be multiplied by 1000,
not by 10000 as the code did.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 drivers/video/omap2/dss/hdmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 3262f0f1fa35..c56378c555b0 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -269,7 +269,7 @@ static void update_hdmi_timings(struct hdmi_config *cfg,
 unsigned long hdmi_get_pixel_clock(void)
 {
 	/* HDMI Pixel Clock in Mhz */
-	return hdmi.ip_data.cfg.timings.timings.pixel_clock * 10000;
+	return hdmi.ip_data.cfg.timings.timings.pixel_clock * 1000;
 }
 
 static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
-- 
GitLab


From 1c6bc899723ca8c0d58044c3661f13ac2369e55f Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Nov 2011 09:54:50 +0200
Subject: [PATCH 0748/1594] OMAPFB: fix compilation warnings due to missing
 include

Fix warnings similar to this by including module.h:

drivers/video/omap/dispc.c:276:1: warning: data definition has no type
or storage class
drivers/video/omap/dispc.c:276:1: warning: type defaults to 'int' in
declaration of 'EXPORT_SYMBOL'

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 drivers/video/omap/dispc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index 0ccd7adf47bb..6f61e781f15a 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -19,6 +19,7 @@
  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
-- 
GitLab


From f95cb5ebd834117ff4829a460656095a0ae63921 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 1 Nov 2011 10:50:45 +0200
Subject: [PATCH 0749/1594] OMAPDSS: DISPC: skip scaling calculations when not
 scaling

Current code calculates scaling factors for video overlays even when the
overlays are not scaled. Change the code to skip calculations when not
scaling.

This optimizes the code a bit, but also fixes a problem when configuring
an overlay for a disabled display: if the display is disabled we don't
necessarily know the pixel clock used when the display is enabled, and
in some cases (like HDMI) the pixel clock is set to zero until a proper
video mode is set later. A wrong pixel clock will mess up the
scaling calculations, causing an error like:

omapdss DISPC error: failed to set up scaling, required fclk rate = 0
Hz, current fclk rate = 170666666 Hz

A proper fix would be to check later whether the clocks are enough for the
scaling, at the point when the overlay or display is actually enabled,
but this patch removes the problem for now.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 drivers/video/omap2/dss/dispc.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 3532782551cb..5c81533eacaa 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1720,12 +1720,11 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
 	const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
 	unsigned long fclk = 0;
 
-	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
-		if (width != out_width || height != out_height)
-			return -EINVAL;
-		else
-			return 0;
-	}
+	if (width == out_width && height == out_height)
+		return 0;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0)
+		return -EINVAL;
 
 	if (out_width < width / maxdownscale ||
 			out_width > width * 8)
-- 
GitLab


From f9dfb65b055c56678afa03e13e942761459ea53d Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin@rab.in>
Date: Fri, 18 Nov 2011 17:05:30 +0530
Subject: [PATCH 0750/1594] ktest: Check parent options for iterated tests

Let's say we have "OUTPUT_DIR = build/${TEST_NAME}", and we're iterating
a test.  In the second iteration of a test, the TEST_NAME of the test
we're repeating is not used.  Instead, ${TEST_NAME} appears literally:

   touch /home/rabin/kernel/test/build/${TEST_NAME}/.config ... SUCCESS

Fix this by making __eval_option() check the parent test options
for a repeated test.

Link: http://lkml.kernel.org/r/1321616131-21352-2-git-send-email-rabin@rab.in

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/testing/ktest/ktest.pl | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 30e2befd6f2a..8b4c2535b266 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -747,6 +747,18 @@ sub __eval_option {
     # Add space to evaluate the character before $
     $option = " $option";
     my $retval = "";
+    my $repeated = 0;
+    my $parent = 0;
+
+    foreach my $test (keys %repeat_tests) {
+	if ($i >= $test &&
+	    $i < $test + $repeat_tests{$test}) {
+
+	    $repeated = 1;
+	    $parent = $test;
+	    last;
+	}
+    }
 
     while ($option =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
 	my $start = $1;
@@ -760,10 +772,14 @@ sub __eval_option {
 	# otherwise see if the default OPT (without [$i]) exists.
 
 	my $o = "$var\[$i\]";
+	my $parento = "$var\[$parent\]";
 
 	if (defined($opt{$o})) {
 	    $o = $opt{$o};
 	    $retval = "$retval$o";
+	} elsif ($repeated && defined($opt{$parento})) {
+	    $o = $opt{$parento};
+	    $retval = "$retval$o";
 	} elsif (defined($opt{$var})) {
 	    $o = $opt{$var};
 	    $retval = "$retval$o";
-- 
GitLab


From 91a13c281d7d4648c0b32dede11a0144c4e7984c Mon Sep 17 00:00:00 2001
From: Claudio Scordino <claudio@evidence.eu.com>
Date: Thu, 17 Nov 2011 11:08:32 +0100
Subject: [PATCH 0751/1594] drivers/base/node.c: fix compilation error with
 older versions of gcc

Patch to fix the error message "directives may not be used inside a macro
argument" which appears when the kernel is compiled for the cris architecture.

Signed-off-by: Claudio Scordino <claudio@evidence.eu.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/node.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 793f796c4da3..5693ecee9a40 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -127,12 +127,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 		       nid, K(node_page_state(nid, NR_WRITEBACK)),
 		       nid, K(node_page_state(nid, NR_FILE_PAGES)),
 		       nid, K(node_page_state(nid, NR_FILE_MAPPED)),
-		       nid, K(node_page_state(nid, NR_ANON_PAGES)
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+		       nid, K(node_page_state(nid, NR_ANON_PAGES)
 			+ node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
-			HPAGE_PMD_NR
+			HPAGE_PMD_NR),
+#else
+		       nid, K(node_page_state(nid, NR_ANON_PAGES)),
 #endif
-		       ),
 		       nid, K(node_page_state(nid, NR_SHMEM)),
 		       nid, node_page_state(nid, NR_KERNEL_STACK) *
 				THREAD_SIZE / 1024,
@@ -143,13 +144,14 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
 				node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
 		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
-		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
 			, nid,
 			K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
-			HPAGE_PMD_NR)
+			HPAGE_PMD_NR));
+#else
+		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));
 #endif
-		       );
 	n += hugetlb_report_node_meminfo(nid, buf + n);
 	return n;
 }
-- 
GitLab


From 6ac2afb3f4601d74778a6ef76c50813a5b85b133 Mon Sep 17 00:00:00 2001
From: Michael Hennerich <michael.hennerich@analog.com>
Date: Fri, 18 Nov 2011 11:05:10 +0100
Subject: [PATCH 0752/1594] misc: ad525x_dpot: Fix AD8400 spi transfer size.

AD8400 type devices require 16-bit command transfers.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/misc/ad525x_dpot.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index a662f5987b68..82b2cb77ae19 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -100,7 +100,7 @@ enum dpot_devid {
 	AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27),
 	AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
 			BRDAC0, 7, 28),
-	AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+	AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
 			BRDAC0, 8, 29),
 	AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
 			BRDAC0 | BRDAC1, 8, 30),
-- 
GitLab


From e253dec31b3ffc2bf19aa8c29865ab7254e90c29 Mon Sep 17 00:00:00 2001
From: Jayachandran C <jayachandranc@netlogicmicro.com>
Date: Fri, 18 Nov 2011 12:12:41 +0530
Subject: [PATCH 0753/1594] usb: Netlogic: Fix HC_LENGTH call in ehci-xls.c

Fix compile error, HC_LENGTH now takes two parameters and ehci
needs to be passed as the first parameter.

Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci-xls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c
index fe74bd676018..b4fb511d24bc 100644
--- a/drivers/usb/host/ehci-xls.c
+++ b/drivers/usb/host/ehci-xls.c
@@ -19,7 +19,7 @@ static int ehci_xls_setup(struct usb_hcd *hcd)
 
 	ehci->caps = hcd->regs;
 	ehci->regs = hcd->regs +
-		HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
+		HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
 	dbg_hcs_params(ehci, "reset");
 	dbg_hcc_params(ehci, "reset");
 
-- 
GitLab


From 46b5a277ed90317a4d17e936c16037e76011b219 Mon Sep 17 00:00:00 2001
From: "zheng.zhijian@zte.com.cn" <zheng.zhijian@zte.com.cn>
Date: Thu, 17 Nov 2011 19:23:25 +0800
Subject: [PATCH 0754/1594] USB: option: release new PID for ZTE 3G modem

This patch adds new PIDs for ZTE 3G modem, after we confirm it and tested.
Thanks for Dan's work at kernel option devier.

Signed-off-by: Alvin.Zheng <zheng.zhijian@zte.com.cn>
Signed-off-by: wsalvin <wsalvin@yahoo.com.cn>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index b8da93b3615c..d59e37571d99 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -316,6 +316,9 @@ static void option_instat_callback(struct urb *urb);
 #define ZTE_PRODUCT_AC8710			0xfff1
 #define ZTE_PRODUCT_AC2726			0xfff5
 #define ZTE_PRODUCT_AC8710T			0xffff
+#define ZTE_PRODUCT_MC2718			0xffe8
+#define ZTE_PRODUCT_AD3812			0xffeb
+#define ZTE_PRODUCT_MC2716			0xffed
 
 #define BENQ_VENDOR_ID				0x04a5
 #define BENQ_PRODUCT_H10			0x4068
@@ -504,6 +507,18 @@ static const struct option_blacklist_info zte_k3765_z_blacklist = {
 	.reserved = BIT(4),
 };
 
+static const struct option_blacklist_info zte_ad3812_z_blacklist = {
+	.sendsetup = BIT(0) | BIT(1) | BIT(2),
+};
+
+static const struct option_blacklist_info zte_mc2718_z_blacklist = {
+	.sendsetup = BIT(1) | BIT(2) | BIT(3) | BIT(4),
+};
+
+static const struct option_blacklist_info zte_mc2716_z_blacklist = {
+	.sendsetup = BIT(1) | BIT(2) | BIT(3),
+};
+
 static const struct option_blacklist_info huawei_cdc12_blacklist = {
 	.reserved = BIT(1) | BIT(2),
 };
@@ -1047,6 +1062,12 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710T, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff),
+	 .driver_info = (kernel_ulong_t)&zte_mc2718_z_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AD3812, 0xff, 0xff, 0xff),
+	 .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff),
+	 .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist },
 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
 	{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */
-- 
GitLab


From c61875977458637226ab093a35d200f2d5789787 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 17 Nov 2011 16:41:45 -0500
Subject: [PATCH 0755/1594] OHCI: final fix for NVIDIA problems (I hope)

Problems with NVIDIA's OHCI host controllers persist.  After looking
carefully through the spec, I finally realized that when a controller
is reset it then automatically goes into a SUSPEND state in which it
is completely quiescent (no DMA and no IRQs) and from which it will
not awaken until the system puts it into the OPERATIONAL state.

Therefore there's no need to worry about controllers being in the
RESET state for extended periods, or remaining in the OPERATIONAL
state during system shutdown.  The proper action for device
initialization is to put the controller into the RESET state (if it's
not there already) and then to issue a software reset.  Similarly, the
proper action for device shutdown is simply to do a software reset.

This patch (as1499) implements such an approach.  It simplifies
initialization and shutdown, and allows the NVIDIA shutdown-quirk code
to be removed.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Andre "Osku" Schmidt <andre.osku.schmidt@googlemail.com>
Tested-by: Arno Augustin <Arno.Augustin@web.de>
Cc: stable <stable@vger.kernel.org> [after tested in 3.2 for a while]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ohci-hcd.c   | 15 +++++------
 drivers/usb/host/ohci-pci.c   | 26 ------------------
 drivers/usb/host/ohci.h       |  1 -
 drivers/usb/host/pci-quirks.c | 50 +++++++++++++++--------------------
 4 files changed, 28 insertions(+), 64 deletions(-)

diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 34efd479e068..b2639191549e 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -389,17 +389,14 @@ ohci_shutdown (struct usb_hcd *hcd)
 	struct ohci_hcd *ohci;
 
 	ohci = hcd_to_ohci (hcd);
-	ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
-	ohci->hc_control = ohci_readl(ohci, &ohci->regs->control);
+	ohci_writel(ohci, (u32) ~0, &ohci->regs->intrdisable);
 
-	/* If the SHUTDOWN quirk is set, don't put the controller in RESET */
-	ohci->hc_control &= (ohci->flags & OHCI_QUIRK_SHUTDOWN ?
-			OHCI_CTRL_RWC | OHCI_CTRL_HCFS :
-			OHCI_CTRL_RWC);
-	ohci_writel(ohci, ohci->hc_control, &ohci->regs->control);
+	/* Software reset, after which the controller goes into SUSPEND */
+	ohci_writel(ohci, OHCI_HCR, &ohci->regs->cmdstatus);
+	ohci_readl(ohci, &ohci->regs->cmdstatus);	/* flush the writes */
+	udelay(10);
 
-	/* flush the writes */
-	(void) ohci_readl (ohci, &ohci->regs->control);
+	ohci_writel(ohci, ohci->fminterval, &ohci->regs->fminterval);
 }
 
 static int check_ed(struct ohci_hcd *ohci, struct ed *ed)
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index ad8166c681e2..bc01b064585a 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -175,28 +175,6 @@ static int ohci_quirk_amd700(struct usb_hcd *hcd)
 	return 0;
 }
 
-/* nVidia controllers continue to drive Reset signalling on the bus
- * even after system shutdown, wasting power.  This flag tells the
- * shutdown routine to leave the controller OPERATIONAL instead of RESET.
- */
-static int ohci_quirk_nvidia_shutdown(struct usb_hcd *hcd)
-{
-	struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
-	struct ohci_hcd	*ohci = hcd_to_ohci(hcd);
-
-	/* Evidently nVidia fixed their later hardware; this is a guess at
-	 * the changeover point.
-	 */
-#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB		0x026d
-
-	if (pdev->device < PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB) {
-		ohci->flags |= OHCI_QUIRK_SHUTDOWN;
-		ohci_dbg(ohci, "enabled nVidia shutdown quirk\n");
-	}
-
-	return 0;
-}
-
 static void sb800_prefetch(struct ohci_hcd *ohci, int on)
 {
 	struct pci_dev *pdev;
@@ -260,10 +238,6 @@ static const struct pci_device_id ohci_pci_quirks[] = {
 		PCI_DEVICE(PCI_VENDOR_ID_ATI, 0x4399),
 		.driver_data = (unsigned long)ohci_quirk_amd700,
 	},
-	{
-		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
-		.driver_data = (unsigned long) ohci_quirk_nvidia_shutdown,
-	},
 
 	/* FIXME for some of the early AMD 760 southbridges, OHCI
 	 * won't work at all.  blacklist them.
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 35e5fd640ce7..0795b934d00c 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -403,7 +403,6 @@ struct ohci_hcd {
 #define	OHCI_QUIRK_HUB_POWER	0x100			/* distrust firmware power/oc setup */
 #define	OHCI_QUIRK_AMD_PLL	0x200			/* AMD PLL quirk*/
 #define	OHCI_QUIRK_AMD_PREFETCH	0x400			/* pre-fetch for ISO transfer */
-#define	OHCI_QUIRK_SHUTDOWN	0x800			/* nVidia power bug */
 	// there are also chip quirks/bugs in init logic
 
 	struct work_struct	nec_work;	/* Worker for NEC quirk */
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index c7fd6ce11904..caf87428ca43 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -37,6 +37,7 @@
 #define OHCI_INTRENABLE		0x10
 #define OHCI_INTRDISABLE	0x14
 #define OHCI_FMINTERVAL		0x34
+#define OHCI_HCFS		(3 << 6)	/* hc functional state */
 #define OHCI_HCR		(1 << 0)	/* host controller reset */
 #define OHCI_OCR		(1 << 3)	/* ownership change request */
 #define OHCI_CTRL_RWC		(1 << 9)	/* remote wakeup connected */
@@ -466,6 +467,8 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 {
 	void __iomem *base;
 	u32 control;
+	u32 fminterval;
+	int cnt;
 
 	if (!mmio_resource_enabled(pdev, 0))
 		return;
@@ -498,41 +501,32 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 	}
 #endif
 
-	/* reset controller, preserving RWC (and possibly IR) */
-	writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
-	readl(base + OHCI_CONTROL);
+	/* disable interrupts */
+	writel((u32) ~0, base + OHCI_INTRDISABLE);
 
-	/* Some NVIDIA controllers stop working if kept in RESET for too long */
-	if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) {
-		u32 fminterval;
-		int cnt;
+	/* Reset the USB bus, if the controller isn't already in RESET */
+	if (control & OHCI_HCFS) {
+		/* Go into RESET, preserving RWC (and possibly IR) */
+		writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+		readl(base + OHCI_CONTROL);
 
-		/* drive reset for at least 50 ms (7.1.7.5) */
+		/* drive bus reset for at least 50 ms (7.1.7.5) */
 		msleep(50);
+	}
 
-		/* software reset of the controller, preserving HcFmInterval */
-		fminterval = readl(base + OHCI_FMINTERVAL);
-		writel(OHCI_HCR, base + OHCI_CMDSTATUS);
+	/* software reset of the controller, preserving HcFmInterval */
+	fminterval = readl(base + OHCI_FMINTERVAL);
+	writel(OHCI_HCR, base + OHCI_CMDSTATUS);
 
-		/* reset requires max 10 us delay */
-		for (cnt = 30; cnt > 0; --cnt) {	/* ... allow extra time */
-			if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
-				break;
-			udelay(1);
-		}
-		writel(fminterval, base + OHCI_FMINTERVAL);
-
-		/* Now we're in the SUSPEND state with all devices reset
-		 * and wakeups and interrupts disabled
-		 */
+	/* reset requires max 10 us delay */
+	for (cnt = 30; cnt > 0; --cnt) {	/* ... allow extra time */
+		if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
+			break;
+		udelay(1);
 	}
+	writel(fminterval, base + OHCI_FMINTERVAL);
 
-	/*
-	 * disable interrupts
-	 */
-	writel(~(u32)0, base + OHCI_INTRDISABLE);
-	writel(~(u32)0, base + OHCI_INTRSTATUS);
-
+	/* Now the controller is safely in SUSPEND and nothing can wake it up */
 	iounmap(base);
 }
 
-- 
GitLab


From 4aa3648c719265bac9c2742c9ebb043e6dbdd790 Mon Sep 17 00:00:00 2001
From: Ferenc Wagner <wferi@niif.hu>
Date: Thu, 17 Nov 2011 16:44:58 +0100
Subject: [PATCH 0756/1594] USB: option: add PID of Huawei E173s 3G modem

Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index d59e37571d99..d865878c9f97 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -156,6 +156,7 @@ static void option_instat_callback(struct urb *urb);
 #define HUAWEI_PRODUCT_K4511			0x14CC
 #define HUAWEI_PRODUCT_ETS1220			0x1803
 #define HUAWEI_PRODUCT_E353			0x1506
+#define HUAWEI_PRODUCT_E173S			0x1C05
 
 #define QUANTA_VENDOR_ID			0x0408
 #define QUANTA_PRODUCT_Q101			0xEA02
@@ -641,6 +642,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
-- 
GitLab


From b1ffb4c851f185e9051ba837c16d9b84ef688d26 Mon Sep 17 00:00:00 2001
From: Andrew Worsley <amworsley@gmail.com>
Date: Fri, 18 Nov 2011 23:13:33 +1100
Subject: [PATCH 0757/1594] USB: Fix Corruption issue in USB ftdi driver
 ftdi_sio.c

Fix for ftdi_set_termios() glitching output

ftdi_set_termios() is constantly setting the baud rate, data bits and parity
unnecessarily on every call, . When called while characters are being
transmitted can cause the FTDI chip to corrupt the serial port bit stream
output by stalling the output half a bit during the output of a character.
Simple fix by skipping this setting if the baud rate/data bits/parity are
unchanged.

Signed-off-by: Andrew Worsley <amworsley@gmail.com>
Cc: stable <stable@vger.kernel.org>
----

  I had a brief run with strace on the getty and it was doing ioctl()s on
  each call but it didn't look relavant to the problem. I think the issue is
  that XON/XOFF flow control was being implmented via hardware - for the ixoff
  to allow the user to use XON/XOFF to control output. Unfortunately it would
  send 3 Control URBs updating all of the settings after each piece of input

  I am trying to work around the issue of gmail messing with the tab/spacing
  by submitting via SMTP via gmail which I believe should fix the issue.

  The patch is against v3.2-rc2 and compiles - but no additional testing in
  this kernel has been done.

  Thanks

   Andrew
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/ftdi_sio.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8fe034d2d3e7..bd4298bb6750 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2104,13 +2104,19 @@ static void ftdi_set_termios(struct tty_struct *tty,
 
 	cflag = termios->c_cflag;
 
-	/* FIXME -For this cut I don't care if the line is really changing or
-	   not  - so just do the change regardless  - should be able to
-	   compare old_termios and tty->termios */
+	if (old_termios->c_cflag == termios->c_cflag
+	    && old_termios->c_ispeed == termios->c_ispeed
+	    && old_termios->c_ospeed == termios->c_ospeed)
+		goto no_c_cflag_changes;
+
 	/* NOTE These routines can get interrupted by
 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
 	   don't see any problems yet */
 
+	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
+	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
+		goto no_data_parity_stop_changes;
+
 	/* Set number of data bits, parity, stop bits */
 
 	urb_value = 0;
@@ -2151,6 +2157,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 	}
 
 	/* Now do the baudrate */
+no_data_parity_stop_changes:
 	if ((cflag & CBAUD) == B0) {
 		/* Disable flow control */
 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
@@ -2178,6 +2185,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 
 	/* Set flow control */
 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
+no_c_cflag_changes:
 	if (cflag & CRTSCTS) {
 		dbg("%s Setting to CRTSCTS flow control", __func__);
 		if (usb_control_msg(dev,
-- 
GitLab


From fb120c0a2775b0d2d095a99ea8432bfb5d444ab2 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 17 Nov 2011 04:40:20 +0000
Subject: [PATCH 0758/1594] ping: dont increment ICMP_MIB_INERRORS

ping module incorrectly increments ICMP_MIB_INERRORS if feeded with a
frame not belonging to its own sockets.

RFC 2011 states that ICMP_MIB_INERRORS should count "the number of ICMP
messages which the entiry received but determined as having
ICMP-specific errors (bad ICMP checksums, bad length, etc.)."

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Vasiliy Kulikov <segoon@openwall.com>
Acked-by: Flavio Leitner <fbl@redhat.com>
Acked-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ping.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index a06f73fdb3c0..43d4c3b22369 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -339,7 +339,6 @@ void ping_err(struct sk_buff *skb, u32 info)
 	sk = ping_v4_lookup(net, iph->daddr, iph->saddr,
 			    ntohs(icmph->un.echo.id), skb->dev->ifindex);
 	if (sk == NULL) {
-		ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS);
 		pr_debug("no socket, dropping\n");
 		return;	/* No socket for error */
 	}
@@ -679,7 +678,6 @@ static int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	pr_debug("ping_queue_rcv_skb(sk=%p,sk->num=%d,skb=%p)\n",
 		inet_sk(sk), inet_sk(sk)->inet_num, skb);
 	if (sock_queue_rcv_skb(sk, skb) < 0) {
-		ICMP_INC_STATS_BH(sock_net(sk), ICMP_MIB_INERRORS);
 		kfree_skb(skb);
 		pr_debug("ping_queue_rcv_skb -> failed\n");
 		return -1;
-- 
GitLab


From c8891329131f791e0ddc422eaf6fc86e9a8cf8f5 Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Fri, 18 Nov 2011 17:21:05 +0000
Subject: [PATCH 0759/1594] MAINTAINERS: update XFS maintainer entry

I will no longer be maintaining XFS for SGI.  Ben Myers
(bpm@sgi.com) has agreed to be the primary maintainer
for XFS in my place.  I will continue to be able to push
commits to the SGI XFS tree if required.  As such I will
continue to be a designated XFS maintainer, but plan to
serve in more of a backup role.

Signed-off-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
---
 MAINTAINERS | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 4808256446f2..227cd7ccf816 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7425,7 +7425,8 @@ F:	drivers/xen/*swiotlb*
 
 XFS FILESYSTEM
 P:	Silicon Graphics Inc
-M:	Alex Elder <aelder@sgi.com>
+M:	Ben Myers <bpm@sgi.com>
+M:	Alex Elder <elder@kernel.org>
 M:	xfs-masters@oss.sgi.com
 L:	xfs@oss.sgi.com
 W:	http://oss.sgi.com/projects/xfs
-- 
GitLab


From 9cc20b268a5a14f5e57b8ad405a83513ab0d78dc Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 18 Nov 2011 15:24:32 -0500
Subject: [PATCH 0760/1594] ipv4: fix redirect handling

commit f39925dbde77 (ipv4: Cache learned redirect information in
inetpeer.) introduced a regression in ICMP redirect handling.

It assumed ipv4_dst_check() would be called because all possible routes
were attached to the inetpeer we modify in ip_rt_redirect(), but thats
not true.

commit 7cc9150ebe (route: fix ICMP redirect validation) tried to fix
this but solution was not complete. (It fixed only one route)

So we must lookup existing routes (including different TOS values) and
call check_peer_redir() on them.

Reported-by: Ivan Zahariev <famzah@icdsoft.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 110 +++++++++++++++++++++++++----------------------
 1 file changed, 59 insertions(+), 51 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 511f4a75149c..0c74da8a0473 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1304,16 +1304,42 @@ static void rt_del(unsigned hash, struct rtable *rt)
 	spin_unlock_bh(rt_hash_lock_addr(hash));
 }
 
+static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
+{
+	struct rtable *rt = (struct rtable *) dst;
+	__be32 orig_gw = rt->rt_gateway;
+	struct neighbour *n, *old_n;
+
+	dst_confirm(&rt->dst);
+
+	rt->rt_gateway = peer->redirect_learned.a4;
+
+	n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
+	if (IS_ERR(n))
+		return PTR_ERR(n);
+	old_n = xchg(&rt->dst._neighbour, n);
+	if (old_n)
+		neigh_release(old_n);
+	if (!n || !(n->nud_state & NUD_VALID)) {
+		if (n)
+			neigh_event_send(n, NULL);
+		rt->rt_gateway = orig_gw;
+		return -EAGAIN;
+	} else {
+		rt->rt_flags |= RTCF_REDIRECTED;
+		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);
+	}
+	return 0;
+}
+
 /* called in rcu_read_lock() section */
 void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 		    __be32 saddr, struct net_device *dev)
 {
 	int s, i;
 	struct in_device *in_dev = __in_dev_get_rcu(dev);
-	struct rtable *rt;
 	__be32 skeys[2] = { saddr, 0 };
 	int    ikeys[2] = { dev->ifindex, 0 };
-	struct flowi4 fl4;
 	struct inet_peer *peer;
 	struct net *net;
 
@@ -1336,33 +1362,42 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 			goto reject_redirect;
 	}
 
-	memset(&fl4, 0, sizeof(fl4));
-	fl4.daddr = daddr;
 	for (s = 0; s < 2; s++) {
 		for (i = 0; i < 2; i++) {
-			fl4.flowi4_oif = ikeys[i];
-			fl4.saddr = skeys[s];
-			rt = __ip_route_output_key(net, &fl4);
-			if (IS_ERR(rt))
-				continue;
-
-			if (rt->dst.error || rt->dst.dev != dev ||
-			    rt->rt_gateway != old_gw) {
-				ip_rt_put(rt);
-				continue;
-			}
+			unsigned int hash;
+			struct rtable __rcu **rthp;
+			struct rtable *rt;
+
+			hash = rt_hash(daddr, skeys[s], ikeys[i], rt_genid(net));
+
+			rthp = &rt_hash_table[hash].chain;
+
+			while ((rt = rcu_dereference(*rthp)) != NULL) {
+				rthp = &rt->dst.rt_next;
+
+				if (rt->rt_key_dst != daddr ||
+				    rt->rt_key_src != skeys[s] ||
+				    rt->rt_oif != ikeys[i] ||
+				    rt_is_input_route(rt) ||
+				    rt_is_expired(rt) ||
+				    !net_eq(dev_net(rt->dst.dev), net) ||
+				    rt->dst.error ||
+				    rt->dst.dev != dev ||
+				    rt->rt_gateway != old_gw)
+					continue;
 
-			if (!rt->peer)
-				rt_bind_peer(rt, rt->rt_dst, 1);
+				if (!rt->peer)
+					rt_bind_peer(rt, rt->rt_dst, 1);
 
-			peer = rt->peer;
-			if (peer) {
-				peer->redirect_learned.a4 = new_gw;
-				atomic_inc(&__rt_peer_genid);
+				peer = rt->peer;
+				if (peer) {
+					if (peer->redirect_learned.a4 != new_gw) {
+						peer->redirect_learned.a4 = new_gw;
+						atomic_inc(&__rt_peer_genid);
+					}
+					check_peer_redir(&rt->dst, peer);
+				}
 			}
-
-			ip_rt_put(rt);
-			return;
 		}
 	}
 	return;
@@ -1649,33 +1684,6 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
 	}
 }
 
-static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
-{
-	struct rtable *rt = (struct rtable *) dst;
-	__be32 orig_gw = rt->rt_gateway;
-	struct neighbour *n, *old_n;
-
-	dst_confirm(&rt->dst);
-
-	rt->rt_gateway = peer->redirect_learned.a4;
-
-	n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
-	if (IS_ERR(n))
-		return PTR_ERR(n);
-	old_n = xchg(&rt->dst._neighbour, n);
-	if (old_n)
-		neigh_release(old_n);
-	if (!n || !(n->nud_state & NUD_VALID)) {
-		if (n)
-			neigh_event_send(n, NULL);
-		rt->rt_gateway = orig_gw;
-		return -EAGAIN;
-	} else {
-		rt->rt_flags |= RTCF_REDIRECTED;
-		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);
-	}
-	return 0;
-}
 
 static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 {
-- 
GitLab


From aa9a7b11821e883a7b93ecce190881e0ea48648b Mon Sep 17 00:00:00 2001
From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Date: Fri, 18 Nov 2011 23:02:42 +0100
Subject: [PATCH 0761/1594] PM / Hibernate: Fix the early termination of test
 modes

Commit 2aede851ddf08666f68ffc17be446420e9d2a056
(PM / Hibernate: Freeze kernel threads after preallocating memory)
postponed the freezing of kernel threads to after preallocating memory
for hibernation. But while doing that, the hibernation test TEST_FREEZER
and the test mode HIBERNATION_TESTPROC were not moved accordingly.

As a result, when using these test modes, it only goes upto the freezing of
userspace and exits, when in fact it should go till the complete end of task
freezing stage, namely the freezing of kernel threads as well.

So, move these points of exit to appropriate places so that freezing of
kernel threads is also tested while using these test harnesses.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 kernel/power/hibernate.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index b4511b6d3ef9..196c01268ebd 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -55,6 +55,8 @@ enum {
 
 static int hibernation_mode = HIBERNATION_SHUTDOWN;
 
+static bool freezer_test_done;
+
 static const struct platform_hibernation_ops *hibernation_ops;
 
 /**
@@ -347,6 +349,17 @@ int hibernation_snapshot(int platform_mode)
 	if (error)
 		goto Close;
 
+	if (hibernation_test(TEST_FREEZER) ||
+		hibernation_testmode(HIBERNATION_TESTPROC)) {
+
+		/*
+		 * Indicate to the caller that we are returning due to a
+		 * successful freezer test.
+		 */
+		freezer_test_done = true;
+		goto Close;
+	}
+
 	error = dpm_prepare(PMSG_FREEZE);
 	if (error)
 		goto Complete_devices;
@@ -641,15 +654,13 @@ int hibernate(void)
 	if (error)
 		goto Finish;
 
-	if (hibernation_test(TEST_FREEZER))
-		goto Thaw;
-
-	if (hibernation_testmode(HIBERNATION_TESTPROC))
-		goto Thaw;
-
 	error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);
 	if (error)
 		goto Thaw;
+	if (freezer_test_done) {
+		freezer_test_done = false;
+		goto Thaw;
+	}
 
 	if (in_suspend) {
 		unsigned int flags = 0;
-- 
GitLab


From 860ca0e6f72d21ded33ce14be9a53eb103f88441 Mon Sep 17 00:00:00 2001
From: Paul Menage <paul@paulmenage.org>
Date: Fri, 18 Nov 2011 14:22:09 -0800
Subject: [PATCH 0762/1594] cgroup: Replace Paul Menage with Tejun Heo as
 cgroups maintainer

As is probably painfully obvious, I don't have time to be a cgroups
maintainer.  Rather than have me continue to hope that I'll magically
find more spare time, instead Tejun has kindly agreed to take over the
role, along with Li Zefan.

-tj: added cgroup tree URL to MAINTAINERS file

Signed-off-by: Paul Menage <paul@paulmenage.org>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
LKML-Reference: <1321320612-57855-1-git-send-email-paul@paulmenage.org>
---
 MAINTAINERS | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 7f6bc290d455..78751bbfa91a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1927,10 +1927,11 @@ S:	Maintained
 F:	drivers/connector/
 
 CONTROL GROUPS (CGROUPS)
-M:	Paul Menage <paul@paulmenage.org>
+M:	Tejun Heo <tj@kernel.org>
 M:	Li Zefan <lizf@cn.fujitsu.com>
 L:	containers@lists.linux-foundation.org
 L:	cgroups@vger.kernel.org
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
 S:	Maintained
 F:	include/linux/cgroup*
 F:	kernel/cgroup*
-- 
GitLab


From 2e9ff8d917af622785b5b9f46d849b7eee43b29c Mon Sep 17 00:00:00 2001
From: Mark Einon <mark.einon@gmail.com>
Date: Fri, 4 Nov 2011 17:58:02 +0000
Subject: [PATCH 0763/1594] linux-next: et131x: Fix build error when
 CONFIG_PM_SLEEP not enabled

Randy Dunlap reports that the ex131x driver doesn't build when CONFIG_PM_SLEEP is not enabled.
This bug was introduced when moving code around to remove some forward declarations earlier, the #endif part of #ifdef CONFIG_PM_SLEEP was not moved at the same time. Now fixed by moving it to its proper place.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/et131x/et131x.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index f5f44a02456f..0c1c6ca8c379 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -4469,6 +4469,12 @@ static int et131x_resume(struct device *dev)
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(et131x_pm_ops, et131x_suspend, et131x_resume);
+#define ET131X_PM_OPS (&et131x_pm_ops)
+#else
+#define ET131X_PM_OPS NULL
+#endif
+
 /* ISR functions */
 
 /**
@@ -5470,12 +5476,6 @@ err_out:
 	return result;
 }
 
-static SIMPLE_DEV_PM_OPS(et131x_pm_ops, et131x_suspend, et131x_resume);
-#define ET131X_PM_OPS (&et131x_pm_ops)
-#else
-#define ET131X_PM_OPS NULL
-#endif
-
 static DEFINE_PCI_DEVICE_TABLE(et131x_pci_table) = {
 	{ PCI_VDEVICE(ATT, ET131X_PCI_DEVICE_ID_GIG), 0UL},
 	{ PCI_VDEVICE(ATT, ET131X_PCI_DEVICE_ID_FAST), 0UL},
-- 
GitLab


From 07de7a5ecbd241507bf1d521e56692842a3e70d4 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xenotime.net>
Date: Tue, 1 Nov 2011 14:43:09 -0700
Subject: [PATCH 0764/1594] staging: slicoss depends on NET

The slicoss driver uses network interfaces so it should depend
on NET.  Fixes the following build errors:

ERROR: "eth_change_mtu" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "eth_validate_addr" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "register_netdev" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "alloc_etherdev_mqs" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "__netif_schedule" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "netif_rx" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "eth_type_trans" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "skb_put" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "skb_pull" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "__alloc_skb" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "free_netdev" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "unregister_netdev" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "consume_skb" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "dev_kfree_skb_irq" [drivers/staging/slicoss/slicoss.ko] undefined!

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Lior Dotan <liodot@gmail.com>
Cc: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/slicoss/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/slicoss/Kconfig b/drivers/staging/slicoss/Kconfig
index 5cde96b2e6e1..5c2a15b42dfe 100644
--- a/drivers/staging/slicoss/Kconfig
+++ b/drivers/staging/slicoss/Kconfig
@@ -1,6 +1,6 @@
 config SLICOSS
 	tristate "Alacritech Gigabit IS-NIC support"
-	depends on PCI && X86
+	depends on PCI && X86 && NET
 	default n
 	help
 	  This driver supports Alacritech's IS-NIC gigabit ethernet cards.
-- 
GitLab


From 0337510f7cef9d569811b058a33306943c685ef6 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xenotime.net>
Date: Thu, 3 Nov 2011 14:24:00 -0700
Subject: [PATCH 0765/1594] staging: et131x depends on NET

ET131X uses netdev interfaces so it should depend on NET.

Fixes these build errors:
ERROR: "ethtool_op_get_link" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "eth_validate_addr" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "register_netdev" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_connect" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_find_first" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_register" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_alloc" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "alloc_etherdev_mqs" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "netif_device_detach" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_stop" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "netif_device_attach" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_start" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "free_netdev" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_free" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_unregister" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "unregister_netdev" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "__netif_schedule" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_print_status" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "dev_kfree_skb_any" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "dev_alloc_skb" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "netif_rx" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "eth_type_trans" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "skb_put" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_ethtool_gset" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_ethtool_sset" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_mii_ioctl" [drivers/staging/et131x/et131x.ko] undefined!

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/et131x/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/et131x/Kconfig b/drivers/staging/et131x/Kconfig
index 9e1864c6dfd0..98a165328e4e 100644
--- a/drivers/staging/et131x/Kconfig
+++ b/drivers/staging/et131x/Kconfig
@@ -1,6 +1,6 @@
 config ET131X
 	tristate "Agere ET-1310 Gigabit Ethernet support"
-	depends on PCI
+	depends on PCI && NET
 	default n
 	---help---
 	  This driver supports Agere ET-1310 ethernet adapters.
-- 
GitLab


From c9fb041ff13c3b7b599fce6fb63cb903d69945d6 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xenotime.net>
Date: Tue, 15 Nov 2011 17:04:12 -0800
Subject: [PATCH 0766/1594] staging: fix more ET131X build errors

ET131X is a network device, so it should depend on
NETDEVICES.  (This part won't be needed when the driver
moves to drivers/net/.)  It also uses PHYLIB interfaces,
so it should select PHYLIB.  Fixes these build errors:

ERROR: "phy_connect" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_find_first" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_register" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_alloc" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_stop" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_start" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_free" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_unregister" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_print_status" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_ethtool_gset" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_ethtool_sset" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_mii_ioctl" [drivers/staging/et131x/et131x.ko] undefined!

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: : Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/et131x/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/et131x/Kconfig b/drivers/staging/et131x/Kconfig
index 98a165328e4e..8190f2aaf53b 100644
--- a/drivers/staging/et131x/Kconfig
+++ b/drivers/staging/et131x/Kconfig
@@ -1,6 +1,7 @@
 config ET131X
 	tristate "Agere ET-1310 Gigabit Ethernet support"
-	depends on PCI && NET
+	depends on PCI && NET && NETDEVICES
+	select PHYLIB
 	default n
 	---help---
 	  This driver supports Agere ET-1310 ethernet adapters.
-- 
GitLab


From dbd1b5473ce8ae40fe7385eacc9294355eec0676 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Sat, 19 Nov 2011 11:41:30 +0100
Subject: [PATCH 0767/1594] ALSA: hda - Add pin fix for Alienware M17x R3

Reported-by: Albert Pool <albertpool@solcon.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 470f6f286e81..f3658658548e 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1641,6 +1641,8 @@ static const struct snd_pci_quirk stac92hd73xx_codec_id_cfg_tbl[] = {
 		      "Alienware M17x", STAC_ALIENWARE_M17X),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x043a,
 		      "Alienware M17x", STAC_ALIENWARE_M17X),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0490,
+		      "Alienware M17x", STAC_ALIENWARE_M17X),
 	{} /* terminator */
 };
 
-- 
GitLab


From a5c86e986f0b2fe779f13cf53ce6e9f467b03950 Mon Sep 17 00:00:00 2001
From: David Rientjes <rientjes@google.com>
Date: Sat, 19 Nov 2011 02:33:57 -0800
Subject: [PATCH 0768/1594] hugetlb: remove dummy definitions of HPAGE_MASK and
 HPAGE_SIZE

Dummy, non-zero definitions for HPAGE_MASK and HPAGE_SIZE were added in
51c6f666fceb ("mm: ZAP_BLOCK causes redundant work") to avoid a divide
by zero in generic kernel code.

That code has since been removed, but probably should never have been
added in the first place: we don't want HPAGE_SIZE to act like PAGE_SIZE
for code that is working with hugepages, for example, when the
dependency on CONFIG_HUGETLB_PAGE has not been fulfilled.

Because hugepage size can differ from architecture to architecture, each
is required to have their own definitions for both HPAGE_MASK and
HPAGE_SIZE.  This is always done in arch/*/include/asm/page.h.

So, just remove the dummy and dangerous definitions since they are no
longer needed and reveals the correct dependencies.  Tested on
architectures using the definitions with allyesconfig: x86 (even with
thp), hppa, mips, powerpc, s390, sh3, sh4, sparc, and sparc64, and with
defconfig on ia64.

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/hugetlb.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 19644e0016bd..d9d6c868b86b 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -110,11 +110,6 @@ static inline void copy_huge_page(struct page *dst, struct page *src)
 
 #define hugetlb_change_protection(vma, address, end, newprot)
 
-#ifndef HPAGE_MASK
-#define HPAGE_MASK	PAGE_MASK		/* Keep the compiler happy */
-#define HPAGE_SIZE	PAGE_SIZE
-#endif
-
 #endif /* !CONFIG_HUGETLB_PAGE */
 
 #define HUGETLB_ANON_FILE "anon_hugepage"
-- 
GitLab


From 27c9cd7e601632b3794e1c3344d37b86917ffb43 Mon Sep 17 00:00:00 2001
From: Jeff Ohlstein <johlstei@codeaurora.org>
Date: Fri, 18 Nov 2011 15:47:10 -0800
Subject: [PATCH 0769/1594] hrtimer: Fix extra wakeups from __remove_hrtimer()

__remove_hrtimer() attempts to reprogram the clockevent device when
the timer being removed is the next to expire. However,
__remove_hrtimer() reprograms the clockevent *before* removing the
timer from the timerqueue and thus when hrtimer_force_reprogram()
finds the next timer to expire it finds the timer we're trying to
remove.

This is especially noticeable when the system switches to NOHz mode
and the system tick is removed. The timer tick is removed from the
system but the clockevent is programmed to wakeup in another HZ
anyway.

Silence the extra wakeup by removing the timer from the timerqueue
before calling hrtimer_force_reprogram() so that we actually program
the clockevent for the next timer to expire.

This was broken by 998adc3 "hrtimers: Convert hrtimers to use
timerlist infrastructure".

Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1321660030-8520-1-git-send-email-johlstei@codeaurora.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/hrtimer.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index a9205e32a059..2043c08d36c8 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -885,10 +885,13 @@ static void __remove_hrtimer(struct hrtimer *timer,
 			     struct hrtimer_clock_base *base,
 			     unsigned long newstate, int reprogram)
 {
+	struct timerqueue_node *next_timer;
 	if (!(timer->state & HRTIMER_STATE_ENQUEUED))
 		goto out;
 
-	if (&timer->node == timerqueue_getnext(&base->active)) {
+	next_timer = timerqueue_getnext(&base->active);
+	timerqueue_del(&base->active, &timer->node);
+	if (&timer->node == next_timer) {
 #ifdef CONFIG_HIGH_RES_TIMERS
 		/* Reprogram the clock event device. if enabled */
 		if (reprogram && hrtimer_hres_active()) {
@@ -901,7 +904,6 @@ static void __remove_hrtimer(struct hrtimer *timer,
 		}
 #endif
 	}
-	timerqueue_del(&base->active, &timer->node);
 	if (!timerqueue_getnext(&base->active))
 		base->cpu_base->active_bases &= ~(1 << base->index);
 out:
-- 
GitLab


From d633180c20271d3b7c1fabbccbc7c5b30ad12be4 Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Fri, 18 Nov 2011 15:56:06 -0800
Subject: [PATCH 0770/1594] Xen: update MAINTAINER info

No longer at Citrix, still interested in Xen.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 MAINTAINERS | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 48fe11cc2306..1e7cc42a69ba 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4950,7 +4950,7 @@ F:	drivers/char/ppdev.c
 F:	include/linux/ppdev.h
 
 PARAVIRT_OPS INTERFACE
-M:	Jeremy Fitzhardinge <jeremy@xensource.com>
+M:	Jeremy Fitzhardinge <jeremy@goop.org>
 M:	Chris Wright <chrisw@sous-sol.org>
 M:	Alok Kataria <akataria@vmware.com>
 M:	Rusty Russell <rusty@rustcorp.com.au>
@@ -7402,8 +7402,8 @@ S:	Maintained
 F:	arch/x86/kernel/cpu/mcheck/*
 
 XEN HYPERVISOR INTERFACE
-M:	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
 M:	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
+M:	Jeremy Fitzhardinge <jeremy@goop.org>
 L:	xen-devel@lists.xensource.com (moderated for non-subscribers)
 L:	virtualization@lists.linux-foundation.org
 S:	Supported
-- 
GitLab


From 501a708f18ef911328ffd39f39738b8a7862aa8e Mon Sep 17 00:00:00 2001
From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Date: Sat, 19 Nov 2011 14:37:57 +0100
Subject: [PATCH 0771/1594] PM / Suspend: Fix bug in suspend statistics update

After commit 2a77c46de1e3dace73745015635ebbc648eca69c
(PM / Suspend: Add statistics debugfs file for suspend to RAM)
a missing pair of braces inside the state_store() function causes even
invalid arguments to suspend to be wrongly treated as failed suspend
attempts. Fix this.

[rjw: Put the hash/subject of the buggy commit into the changelog.]

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 kernel/power/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/power/main.c b/kernel/power/main.c
index 71f49fe4377e..36e0f0903c32 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -290,13 +290,14 @@ static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr,
 		if (*s && len == strlen(*s) && !strncmp(buf, *s, len))
 			break;
 	}
-	if (state < PM_SUSPEND_MAX && *s)
+	if (state < PM_SUSPEND_MAX && *s) {
 		error = enter_state(state);
 		if (error) {
 			suspend_stats.fail++;
 			dpm_save_failed_errno(error);
 		} else
 			suspend_stats.success++;
+	}
 #endif
 
  Exit:
-- 
GitLab


From 016e8d44bc06dd3322f26712bdd3f3a6973592d0 Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@redhat.com>
Date: Fri, 19 Aug 2011 14:50:26 -0400
Subject: [PATCH 0772/1594] fs/minix: Verify bitmap block counts before
 mounting

Newer versions of MINIX can create filesystems that allocate an extra
bitmap block.  Mounting of this succeeds, but doing a statfs call will
result in an oops in count_free because of a negative number being used
for the bh index.

Avoid this by verifying the number of allocated blocks at mount time,
erroring out if there are not enough and make statfs ignore the extras
if there are too many.

This fixes https://bugzilla.kernel.org/show_bug.cgi?id=18792

Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/minix/bitmap.c | 18 ++++++++++++------
 fs/minix/inode.c  | 25 +++++++++++++++++++++++--
 fs/minix/minix.h  |  9 +++++++--
 3 files changed, 42 insertions(+), 10 deletions(-)

diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index 3f32bcb0d9bd..7c82c29429d7 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -20,10 +20,11 @@ static const int nibblemap[] = { 4,3,3,2,3,2,2,1,3,2,2,1,2,1,1,0 };
 
 static DEFINE_SPINLOCK(bitmap_lock);
 
-static unsigned long count_free(struct buffer_head *map[], unsigned numblocks, __u32 numbits)
+static unsigned long count_free(struct buffer_head *map[], unsigned blocksize, __u32 numbits)
 {
 	unsigned i, j, sum = 0;
 	struct buffer_head *bh;
+	unsigned numblocks = minix_blocks_needed(numbits, blocksize);
   
 	for (i=0; i<numblocks-1; i++) {
 		if (!(bh=map[i])) 
@@ -105,10 +106,12 @@ int minix_new_block(struct inode * inode)
 	return 0;
 }
 
-unsigned long minix_count_free_blocks(struct minix_sb_info *sbi)
+unsigned long minix_count_free_blocks(struct super_block *sb)
 {
-	return (count_free(sbi->s_zmap, sbi->s_zmap_blocks,
-		sbi->s_nzones - sbi->s_firstdatazone + 1)
+	struct minix_sb_info *sbi = minix_sb(sb);
+	u32 bits = sbi->s_nzones - (sbi->s_firstdatazone + 1);
+
+	return (count_free(sbi->s_zmap, sb->s_blocksize, bits)
 		<< sbi->s_log_zone_size);
 }
 
@@ -273,7 +276,10 @@ struct inode *minix_new_inode(const struct inode *dir, int mode, int *error)
 	return inode;
 }
 
-unsigned long minix_count_free_inodes(struct minix_sb_info *sbi)
+unsigned long minix_count_free_inodes(struct super_block *sb)
 {
-	return count_free(sbi->s_imap, sbi->s_imap_blocks, sbi->s_ninodes + 1);
+	struct minix_sb_info *sbi = minix_sb(sb);
+	u32 bits = sbi->s_ninodes + 1;
+
+	return count_free(sbi->s_imap, sb->s_blocksize, bits);
 }
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 64cdcd662ffc..1d9e33966db0 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -279,6 +279,27 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
  	else if (sbi->s_mount_state & MINIX_ERROR_FS)
 		printk("MINIX-fs: mounting file system with errors, "
 			"running fsck is recommended\n");
+
+	/* Apparently minix can create filesystems that allocate more blocks for
+	 * the bitmaps than needed.  We simply ignore that, but verify it didn't
+	 * create one with not enough blocks and bail out if so.
+	 */
+	block = minix_blocks_needed(sbi->s_ninodes, s->s_blocksize);
+	if (sbi->s_imap_blocks < block) {
+		printk("MINIX-fs: file system does not have enough "
+				"imap blocks allocated.  Refusing to mount\n");
+		goto out_iput;
+	}
+
+	block = minix_blocks_needed(
+			(sbi->s_nzones - (sbi->s_firstdatazone + 1)),
+			s->s_blocksize);
+	if (sbi->s_zmap_blocks < block) {
+		printk("MINIX-fs: file system does not have enough "
+				"zmap blocks allocated.  Refusing to mount.\n");
+		goto out_iput;
+	}
+
 	return 0;
 
 out_iput:
@@ -339,10 +360,10 @@ static int minix_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_type = sb->s_magic;
 	buf->f_bsize = sb->s_blocksize;
 	buf->f_blocks = (sbi->s_nzones - sbi->s_firstdatazone) << sbi->s_log_zone_size;
-	buf->f_bfree = minix_count_free_blocks(sbi);
+	buf->f_bfree = minix_count_free_blocks(sb);
 	buf->f_bavail = buf->f_bfree;
 	buf->f_files = sbi->s_ninodes;
-	buf->f_ffree = minix_count_free_inodes(sbi);
+	buf->f_ffree = minix_count_free_inodes(sb);
 	buf->f_namelen = sbi->s_namelen;
 	buf->f_fsid.val[0] = (u32)id;
 	buf->f_fsid.val[1] = (u32)(id >> 32);
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index 341e2122879a..6415fe0d2385 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -48,10 +48,10 @@ extern struct minix_inode * minix_V1_raw_inode(struct super_block *, ino_t, stru
 extern struct minix2_inode * minix_V2_raw_inode(struct super_block *, ino_t, struct buffer_head **);
 extern struct inode * minix_new_inode(const struct inode *, int, int *);
 extern void minix_free_inode(struct inode * inode);
-extern unsigned long minix_count_free_inodes(struct minix_sb_info *sbi);
+extern unsigned long minix_count_free_inodes(struct super_block *sb);
 extern int minix_new_block(struct inode * inode);
 extern void minix_free_block(struct inode *inode, unsigned long block);
-extern unsigned long minix_count_free_blocks(struct minix_sb_info *sbi);
+extern unsigned long minix_count_free_blocks(struct super_block *sb);
 extern int minix_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int minix_prepare_chunk(struct page *page, loff_t pos, unsigned len);
 
@@ -88,6 +88,11 @@ static inline struct minix_inode_info *minix_i(struct inode *inode)
 	return list_entry(inode, struct minix_inode_info, vfs_inode);
 }
 
+static inline unsigned minix_blocks_needed(unsigned bits, unsigned blocksize)
+{
+	return DIV_ROUND_UP(bits, blocksize * 8);
+}
+
 #if defined(CONFIG_MINIX_FS_NATIVE_ENDIAN) && \
 	defined(CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED)
 
-- 
GitLab


From f1fd306a91f875e65af0e04855b23adda6831ac9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 26 Aug 2011 22:38:50 -0400
Subject: [PATCH 0773/1594] minixfs: kill manual hweight(), simplify

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/minix/bitmap.c | 41 ++++++++++++++---------------------------
 fs/minix/minix.h  |  2 +-
 2 files changed, 15 insertions(+), 28 deletions(-)

diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index 7c82c29429d7..ef175cb8cfd8 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -16,39 +16,26 @@
 #include <linux/bitops.h>
 #include <linux/sched.h>
 
-static const int nibblemap[] = { 4,3,3,2,3,2,2,1,3,2,2,1,2,1,1,0 };
-
 static DEFINE_SPINLOCK(bitmap_lock);
 
-static unsigned long count_free(struct buffer_head *map[], unsigned blocksize, __u32 numbits)
+/*
+ * bitmap consists of blocks filled with 16bit words
+ * bit set == busy, bit clear == free
+ * endianness is a mess, but for counting zero bits it really doesn't matter...
+ */
+static __u32 count_free(struct buffer_head *map[], unsigned blocksize, __u32 numbits)
 {
-	unsigned i, j, sum = 0;
-	struct buffer_head *bh;
-	unsigned numblocks = minix_blocks_needed(numbits, blocksize);
-  
-	for (i=0; i<numblocks-1; i++) {
-		if (!(bh=map[i])) 
-			return(0);
-		for (j=0; j<bh->b_size; j++)
-			sum += nibblemap[bh->b_data[j] & 0xf]
-				+ nibblemap[(bh->b_data[j]>>4) & 0xf];
-	}
+	__u32 sum = 0;
+	unsigned blocks = DIV_ROUND_UP(numbits, blocksize * 8);
 
-	if (numblocks==0 || !(bh=map[numblocks-1]))
-		return(0);
-	i = ((numbits - (numblocks-1) * bh->b_size * 8) / 16) * 2;
-	for (j=0; j<i; j++) {
-		sum += nibblemap[bh->b_data[j] & 0xf]
-			+ nibblemap[(bh->b_data[j]>>4) & 0xf];
+	while (blocks--) {
+		unsigned words = blocksize / 2;
+		__u16 *p = (__u16 *)(*map++)->b_data;
+		while (words--)
+			sum += 16 - hweight16(*p++);
 	}
 
-	i = numbits%16;
-	if (i!=0) {
-		i = *(__u16 *)(&bh->b_data[j]) | ~((1<<i) - 1);
-		sum += nibblemap[i & 0xf] + nibblemap[(i>>4) & 0xf];
-		sum += nibblemap[(i>>8) & 0xf] + nibblemap[(i>>12) & 0xf];
-	}
-	return(sum);
+	return sum;
 }
 
 void minix_free_block(struct inode *inode, unsigned long block)
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index 6415fe0d2385..26bbd55e82ea 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -130,7 +130,7 @@ static inline int minix_find_first_zero_bit(const void *vaddr, unsigned size)
 	if (!size)
 		return 0;
 
-	size = (size >> 4) + ((size & 15) > 0);
+	size >>= 4;
 	while (*p++ == 0xffff) {
 		if (--size == 0)
 			return (p - addr) << 4;
-- 
GitLab


From e70f224c1938af208b64b02c5cec27889fefcaec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= <maraeo@gmail.com>
Date: Tue, 25 Oct 2011 01:38:45 +0200
Subject: [PATCH 0774/1594] drm/radeon/kms: add a CS ioctl flag not to rewrite
 tiling flags in the CS
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This adds a new optional chunk to the CS ioctl that specifies optional flags
to the CS parser. Why this is useful is explained below. Note that some regs
no longer need the NOP relocation packet if this feature is enabled.
Tested on r300g and r600g with this flag disabled and enabled.

Assume there are two contexts sharing the same mipmapped tiled texture.
One context wants to render into the first mipmap and the other one
wants to render into the last mipmap. As you probably know, the hardware
has a MACRO_SWITCH feature, which turns off macro tiling for small mipmaps,
but that only applies to samplers.
(at least on r300-r500, though later hardware likely behaves the same)

So we want to just re-set the tiling flags before rendering (writing
packets), right? ... No. The contexts run in parallel, so they may
set the tiling flags simultaneously and then fire their command streams
also simultaneously. The last one setting the flags wins, the other one
loses.

Another problem is when one context wants to render into the first and
the last mipmap in one CS. Impossible. It must flush before changing
tiling flags and do the rendering into the smaller mipmaps in another CS.

Yet another problem is that writing copy_blit in userspace would be a mess
involving re-setting tiling flags to please the kernel, and causing races
with other contexts at the same time.

The only way out of this is to send tiling flags with each CS, ideally
with each relocation. But we already do that through the registers.
So let's just use what we have in the registers.

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen_cs.c | 92 ++++++++++++++------------
 drivers/gpu/drm/radeon/r300.c         | 94 +++++++++++++++------------
 drivers/gpu/drm/radeon/r600_cs.c      | 26 +++++---
 drivers/gpu/drm/radeon/radeon.h       |  3 +-
 drivers/gpu/drm/radeon/radeon_cs.c    | 11 +++-
 drivers/gpu/drm/radeon/radeon_drv.c   |  3 +-
 include/drm/radeon_drm.h              |  4 ++
 7 files changed, 135 insertions(+), 98 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 7fdfa8ea7570..38e1bda73d33 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -480,21 +480,23 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 		}
 		break;
 	case DB_Z_INFO:
-		r = evergreen_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			dev_warn(p->dev, "bad SET_CONTEXT_REG "
-					"0x%04X\n", reg);
-			return -EINVAL;
-		}
 		track->db_z_info = radeon_get_ib_value(p, idx);
-		ib[idx] &= ~Z_ARRAY_MODE(0xf);
-		track->db_z_info &= ~Z_ARRAY_MODE(0xf);
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-			ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-		} else {
-			ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-			track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+		if (!p->keep_tiling_flags) {
+			r = evergreen_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				dev_warn(p->dev, "bad SET_CONTEXT_REG "
+						"0x%04X\n", reg);
+				return -EINVAL;
+			}
+			ib[idx] &= ~Z_ARRAY_MODE(0xf);
+			track->db_z_info &= ~Z_ARRAY_MODE(0xf);
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+				ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+				track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+			} else {
+				ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+			}
 		}
 		break;
 	case DB_STENCIL_INFO:
@@ -607,40 +609,44 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 	case CB_COLOR5_INFO:
 	case CB_COLOR6_INFO:
 	case CB_COLOR7_INFO:
-		r = evergreen_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			dev_warn(p->dev, "bad SET_CONTEXT_REG "
-					"0x%04X\n", reg);
-			return -EINVAL;
-		}
 		tmp = (reg - CB_COLOR0_INFO) / 0x3c;
 		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-			ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-		} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
-			ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+		if (!p->keep_tiling_flags) {
+			r = evergreen_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				dev_warn(p->dev, "bad SET_CONTEXT_REG "
+						"0x%04X\n", reg);
+				return -EINVAL;
+			}
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+				ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
+				ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+			}
 		}
 		break;
 	case CB_COLOR8_INFO:
 	case CB_COLOR9_INFO:
 	case CB_COLOR10_INFO:
 	case CB_COLOR11_INFO:
-		r = evergreen_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			dev_warn(p->dev, "bad SET_CONTEXT_REG "
-					"0x%04X\n", reg);
-			return -EINVAL;
-		}
 		tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8;
 		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-			ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-		} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
-			ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+		if (!p->keep_tiling_flags) {
+			r = evergreen_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				dev_warn(p->dev, "bad SET_CONTEXT_REG "
+						"0x%04X\n", reg);
+				return -EINVAL;
+			}
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+				ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
+				ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+			}
 		}
 		break;
 	case CB_COLOR0_PITCH:
@@ -1311,10 +1317,12 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p,
 					return -EINVAL;
 				}
 				ib[idx+1+(i*8)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-				if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-					ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-				else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-					ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				if (!p->keep_tiling_flags) {
+					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+						ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+					else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+						ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				}
 				texture = reloc->robj;
 				/* tex mip base */
 				r = evergreen_cs_packet_next_reloc(p, &reloc);
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 400b26df652a..c93bc64707e1 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -701,16 +701,21 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
 			return r;
 		}
 
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-			tile_flags |= R300_TXO_MACRO_TILE;
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-			tile_flags |= R300_TXO_MICRO_TILE;
-		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-			tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
-
-		tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
-		tmp |= tile_flags;
-		ib[idx] = tmp;
+		if (p->keep_tiling_flags) {
+			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
+				  ((idx_value & ~31) + (u32)reloc->lobj.gpu_offset);
+		} else {
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+				tile_flags |= R300_TXO_MACRO_TILE;
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+				tile_flags |= R300_TXO_MICRO_TILE;
+			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
+
+			tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
+			tmp |= tile_flags;
+			ib[idx] = tmp;
+		}
 		track->textures[i].robj = reloc->robj;
 		track->tex_dirty = true;
 		break;
@@ -760,24 +765,26 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
 		/* RB3D_COLORPITCH1 */
 		/* RB3D_COLORPITCH2 */
 		/* RB3D_COLORPITCH3 */
-		r = r100_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
-				  idx, reg);
-			r100_cs_dump_packet(p, pkt);
-			return r;
-		}
+		if (!p->keep_tiling_flags) {
+			r = r100_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+					  idx, reg);
+				r100_cs_dump_packet(p, pkt);
+				return r;
+			}
 
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-			tile_flags |= R300_COLOR_TILE_ENABLE;
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-			tile_flags |= R300_COLOR_MICROTILE_ENABLE;
-		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-			tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+				tile_flags |= R300_COLOR_TILE_ENABLE;
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
+			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 
-		tmp = idx_value & ~(0x7 << 16);
-		tmp |= tile_flags;
-		ib[idx] = tmp;
+			tmp = idx_value & ~(0x7 << 16);
+			tmp |= tile_flags;
+			ib[idx] = tmp;
+		}
 		i = (reg - 0x4E38) >> 2;
 		track->cb[i].pitch = idx_value & 0x3FFE;
 		switch (((idx_value >> 21) & 0xF)) {
@@ -843,25 +850,26 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
 		break;
 	case 0x4F24:
 		/* ZB_DEPTHPITCH */
-		r = r100_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
-				  idx, reg);
-			r100_cs_dump_packet(p, pkt);
-			return r;
-		}
-
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-			tile_flags |= R300_DEPTHMACROTILE_ENABLE;
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-			tile_flags |= R300_DEPTHMICROTILE_TILED;
-		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-			tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
+		if (!p->keep_tiling_flags) {
+			r = r100_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+					  idx, reg);
+				r100_cs_dump_packet(p, pkt);
+				return r;
+			}
 
-		tmp = idx_value & ~(0x7 << 16);
-		tmp |= tile_flags;
-		ib[idx] = tmp;
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+				tile_flags |= R300_DEPTHMICROTILE_TILED;
+			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 
+			tmp = idx_value & ~(0x7 << 16);
+			tmp |= tile_flags;
+			ib[idx] = tmp;
+		}
 		track->zb.pitch = idx_value & 0x3FFC;
 		track->zb_dirty = true;
 		break;
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 0a2e023c1557..cb1acffd2430 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -941,7 +941,8 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 		track->db_depth_control = radeon_get_ib_value(p, idx);
 		break;
 	case R_028010_DB_DEPTH_INFO:
-		if (r600_cs_packet_next_is_pkt3_nop(p)) {
+		if (!p->keep_tiling_flags &&
+		    r600_cs_packet_next_is_pkt3_nop(p)) {
 			r = r600_cs_packet_next_reloc(p, &reloc);
 			if (r) {
 				dev_warn(p->dev, "bad SET_CONTEXT_REG "
@@ -992,7 +993,8 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 	case R_0280B4_CB_COLOR5_INFO:
 	case R_0280B8_CB_COLOR6_INFO:
 	case R_0280BC_CB_COLOR7_INFO:
-		if (r600_cs_packet_next_is_pkt3_nop(p)) {
+		if (!p->keep_tiling_flags &&
+		     r600_cs_packet_next_is_pkt3_nop(p)) {
 			r = r600_cs_packet_next_reloc(p, &reloc);
 			if (r) {
 				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
@@ -1291,10 +1293,12 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
 	mip_offset <<= 8;
 
 	word0 = radeon_get_ib_value(p, idx + 0);
-	if (tiling_flags & RADEON_TILING_MACRO)
-		word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
-	else if (tiling_flags & RADEON_TILING_MICRO)
-		word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+	if (!p->keep_tiling_flags) {
+		if (tiling_flags & RADEON_TILING_MACRO)
+			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
+		else if (tiling_flags & RADEON_TILING_MICRO)
+			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+	}
 	word1 = radeon_get_ib_value(p, idx + 1);
 	w0 = G_038000_TEX_WIDTH(word0) + 1;
 	h0 = G_038004_TEX_HEIGHT(word1) + 1;
@@ -1621,10 +1625,12 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 					return -EINVAL;
 				}
 				base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-				if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-					ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
-				else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-					ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+				if (!p->keep_tiling_flags) {
+					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
+					else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+				}
 				texture = reloc->robj;
 				/* tex mip base */
 				r = r600_cs_packet_next_reloc(p, &reloc);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index fc5a1d642cb5..8227e76b5c70 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -611,7 +611,8 @@ struct radeon_cs_parser {
 	struct radeon_ib	*ib;
 	void			*track;
 	unsigned		family;
-	int parser_error;
+	int			parser_error;
+	bool			keep_tiling_flags;
 };
 
 extern int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx);
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index ccaa243c1442..29afd71e0840 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -93,7 +93,7 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
 {
 	struct drm_radeon_cs *cs = data;
 	uint64_t *chunk_array_ptr;
-	unsigned size, i;
+	unsigned size, i, flags = 0;
 
 	if (!cs->num_chunks) {
 		return 0;
@@ -140,6 +140,10 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
 			if (p->chunks[i].length_dw == 0)
 				return -EINVAL;
 		}
+		if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS &&
+		    !p->chunks[i].length_dw) {
+			return -EINVAL;
+		}
 
 		p->chunks[i].length_dw = user_chunk.length_dw;
 		p->chunks[i].user_ptr = (void __user *)(unsigned long)user_chunk.chunk_data;
@@ -155,6 +159,9 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
 					       p->chunks[i].user_ptr, size)) {
 				return -EFAULT;
 			}
+			if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) {
+				flags = p->chunks[i].kdata[0];
+			}
 		} else {
 			p->chunks[i].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL);
 			p->chunks[i].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
@@ -174,6 +181,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
 			  p->chunks[p->chunk_ib_idx].length_dw);
 		return -EINVAL;
 	}
+
+	p->keep_tiling_flags = (flags & RADEON_CS_KEEP_TILING_FLAGS) != 0;
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index a0b35e909489..71499fc3daf5 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -53,9 +53,10 @@
  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  *   2.10.0 - fusion 2D tiling
  *   2.11.0 - backend map, initial compute support for the CS checker
+ *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	11
+#define KMS_DRIVER_MINOR	12
 #define KMS_DRIVER_PATCHLEVEL	0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index b65be6054a18..be94be6d6f17 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -874,6 +874,10 @@ struct drm_radeon_gem_pwrite {
 
 #define RADEON_CHUNK_ID_RELOCS	0x01
 #define RADEON_CHUNK_ID_IB	0x02
+#define RADEON_CHUNK_ID_FLAGS	0x03
+
+/* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
+#define RADEON_CS_KEEP_TILING_FLAGS 0x01
 
 struct drm_radeon_cs_chunk {
 	uint32_t		chunk_id;
-- 
GitLab


From 95ef1e52922cf75b1ea2eae54ef886f2cc47eecb Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Tue, 15 Nov 2011 14:59:07 +0200
Subject: [PATCH 0775/1594] KVM guest: prevent tracing recursion with kvmclock

Prevent tracing of preempt_disable() in get_cpu_var() in
kvm_clock_read(). When CONFIG_DEBUG_PREEMPT is enabled,
preempt_disable/enable() are traced and this causes the function_graph
tracer to go into an infinite recursion. By open coding the
preempt_disable() around the get_cpu_var(), we can use the notrace
version which prevents preempt_disable/enable() from being traced and
prevents the recursion.

Based on a similar patch for Xen from Jeremy Fitzhardinge.

Tested-by: Gleb Natapov <gleb@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kernel/kvmclock.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index c1a0188e29ae..44842d756b29 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -74,9 +74,10 @@ static cycle_t kvm_clock_read(void)
 	struct pvclock_vcpu_time_info *src;
 	cycle_t ret;
 
-	src = &get_cpu_var(hv_clock);
+	preempt_disable_notrace();
+	src = &__get_cpu_var(hv_clock);
 	ret = pvclock_clocksource_read(src);
-	put_cpu_var(hv_clock);
+	preempt_enable_notrace();
 	return ret;
 }
 
-- 
GitLab


From 387125fc722a8ed432066b85a552917343bdafca Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Fri, 18 Nov 2011 15:07:51 -0500
Subject: [PATCH 0776/1594] Btrfs: fix barrier flushes

When btrfs is writing the super blocks, it send barrier flushes to make
sure writeback caching drives get all the metadata on disk in the
right order.

But, we have two bugs in the way these are sent down.  When doing
full commits (not via the tree log), we are sending the barrier down
before the last super when it should be going down before the first.

In multi-device setups, we should be waiting for the barriers to
complete on all devices before writing any of the supers.

Both of these bugs can cause corruptions on power failures.  We fix it
with some new code to send down empty barriers to all devices before
writing the first super.

Alexandre Oliva found the multi-device bug.  Arne Jansen did the async
barrier loop.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
Reported-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
---
 fs/btrfs/disk-io.c | 145 +++++++++++++++++++++++++++++++++++++++------
 fs/btrfs/volumes.h |   6 ++
 2 files changed, 134 insertions(+), 17 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index b6a5c0dd0dd8..48d30138237f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2573,22 +2573,10 @@ static int write_dev_supers(struct btrfs_device *device,
 	int errors = 0;
 	u32 crc;
 	u64 bytenr;
-	int last_barrier = 0;
 
 	if (max_mirrors == 0)
 		max_mirrors = BTRFS_SUPER_MIRROR_MAX;
 
-	/* make sure only the last submit_bh does a barrier */
-	if (do_barriers) {
-		for (i = 0; i < max_mirrors; i++) {
-			bytenr = btrfs_sb_offset(i);
-			if (bytenr + BTRFS_SUPER_INFO_SIZE >=
-			    device->total_bytes)
-				break;
-			last_barrier = i;
-		}
-	}
-
 	for (i = 0; i < max_mirrors; i++) {
 		bytenr = btrfs_sb_offset(i);
 		if (bytenr + BTRFS_SUPER_INFO_SIZE >= device->total_bytes)
@@ -2634,17 +2622,136 @@ static int write_dev_supers(struct btrfs_device *device,
 			bh->b_end_io = btrfs_end_buffer_write_sync;
 		}
 
-		if (i == last_barrier && do_barriers)
-			ret = submit_bh(WRITE_FLUSH_FUA, bh);
-		else
-			ret = submit_bh(WRITE_SYNC, bh);
-
+		/*
+		 * we fua the first super.  The others we allow
+		 * to go down lazy.
+		 */
+		ret = submit_bh(WRITE_FUA, bh);
 		if (ret)
 			errors++;
 	}
 	return errors < i ? 0 : -1;
 }
 
+/*
+ * endio for the write_dev_flush, this will wake anyone waiting
+ * for the barrier when it is done
+ */
+static void btrfs_end_empty_barrier(struct bio *bio, int err)
+{
+	if (err) {
+		if (err == -EOPNOTSUPP)
+			set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
+		clear_bit(BIO_UPTODATE, &bio->bi_flags);
+	}
+	if (bio->bi_private)
+		complete(bio->bi_private);
+	bio_put(bio);
+}
+
+/*
+ * trigger flushes for one the devices.  If you pass wait == 0, the flushes are
+ * sent down.  With wait == 1, it waits for the previous flush.
+ *
+ * any device where the flush fails with eopnotsupp are flagged as not-barrier
+ * capable
+ */
+static int write_dev_flush(struct btrfs_device *device, int wait)
+{
+	struct bio *bio;
+	int ret = 0;
+
+	if (device->nobarriers)
+		return 0;
+
+	if (wait) {
+		bio = device->flush_bio;
+		if (!bio)
+			return 0;
+
+		wait_for_completion(&device->flush_wait);
+
+		if (bio_flagged(bio, BIO_EOPNOTSUPP)) {
+			printk("btrfs: disabling barriers on dev %s\n",
+			       device->name);
+			device->nobarriers = 1;
+		}
+		if (!bio_flagged(bio, BIO_UPTODATE)) {
+			ret = -EIO;
+		}
+
+		/* drop the reference from the wait == 0 run */
+		bio_put(bio);
+		device->flush_bio = NULL;
+
+		return ret;
+	}
+
+	/*
+	 * one reference for us, and we leave it for the
+	 * caller
+	 */
+	device->flush_bio = NULL;;
+	bio = bio_alloc(GFP_NOFS, 0);
+	if (!bio)
+		return -ENOMEM;
+
+	bio->bi_end_io = btrfs_end_empty_barrier;
+	bio->bi_bdev = device->bdev;
+	init_completion(&device->flush_wait);
+	bio->bi_private = &device->flush_wait;
+	device->flush_bio = bio;
+
+	bio_get(bio);
+	submit_bio(WRITE_FLUSH, bio);
+
+	return 0;
+}
+
+/*
+ * send an empty flush down to each device in parallel,
+ * then wait for them
+ */
+static int barrier_all_devices(struct btrfs_fs_info *info)
+{
+	struct list_head *head;
+	struct btrfs_device *dev;
+	int errors = 0;
+	int ret;
+
+	/* send down all the barriers */
+	head = &info->fs_devices->devices;
+	list_for_each_entry_rcu(dev, head, dev_list) {
+		if (!dev->bdev) {
+			errors++;
+			continue;
+		}
+		if (!dev->in_fs_metadata || !dev->writeable)
+			continue;
+
+		ret = write_dev_flush(dev, 0);
+		if (ret)
+			errors++;
+	}
+
+	/* wait for all the barriers */
+	list_for_each_entry_rcu(dev, head, dev_list) {
+		if (!dev->bdev) {
+			errors++;
+			continue;
+		}
+		if (!dev->in_fs_metadata || !dev->writeable)
+			continue;
+
+		ret = write_dev_flush(dev, 1);
+		if (ret)
+			errors++;
+	}
+	if (errors)
+		return -EIO;
+	return 0;
+}
+
 int write_all_supers(struct btrfs_root *root, int max_mirrors)
 {
 	struct list_head *head;
@@ -2666,6 +2773,10 @@ int write_all_supers(struct btrfs_root *root, int max_mirrors)
 
 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);
 	head = &root->fs_info->fs_devices->devices;
+
+	if (do_barriers)
+		barrier_all_devices(root->fs_info);
+
 	list_for_each_entry_rcu(dev, head, dev_list) {
 		if (!dev->bdev) {
 			total_errors++;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index ab5b1c49f352..78f2d4d4f37f 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -100,6 +100,12 @@ struct btrfs_device {
 	struct reada_zone *reada_curr_zone;
 	struct radix_tree_root reada_zones;
 	struct radix_tree_root reada_extents;
+
+	/* for sending down flush barriers */
+	struct bio *flush_bio;
+	struct completion flush_wait;
+	int nobarriers;
+
 };
 
 struct btrfs_fs_devices {
-- 
GitLab


From 745c4d8e160afaf6c75e887c27ea4b75c8142b26 Mon Sep 17 00:00:00 2001
From: Jeff Mahoney <jeffm@suse.com>
Date: Sun, 20 Nov 2011 07:31:57 -0500
Subject: [PATCH 0777/1594] btrfs: Fix up 32/64-bit compatibility for new
 ioctls

 This patch casts to unsigned long before casting to a pointer and fixes
 the following warnings:
fs/btrfs/extent_io.c:2289:20: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
fs/btrfs/ioctl.c:2933:37: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
fs/btrfs/ioctl.c:2937:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
fs/btrfs/ioctl.c:3020:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
fs/btrfs/scrub.c:275:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
fs/btrfs/backref.c:686:27: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/backref.c   | 2 +-
 fs/btrfs/extent_io.c | 2 +-
 fs/btrfs/ioctl.c     | 9 ++++++---
 fs/btrfs/scrub.c     | 2 +-
 4 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 8855aad3929c..22c64fff1bd5 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -683,7 +683,7 @@ static int inode_to_path(u64 inum, struct btrfs_inode_ref *iref,
 		return PTR_ERR(fspath);
 
 	if (fspath > fspath_min) {
-		ipath->fspath->val[i] = (u64)fspath;
+		ipath->fspath->val[i] = (u64)(unsigned long)fspath;
 		++ipath->fspath->elem_cnt;
 		ipath->fspath->bytes_left = fspath - fspath_min;
 	} else {
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 1f87c4d0e7a0..47fdba7853c3 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2286,7 +2286,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
 		}
 		if (!uptodate) {
 			u64 failed_mirror;
-			failed_mirror = (u64)bio->bi_bdev;
+			failed_mirror = (unsigned long)bio->bi_bdev;
 			if (tree->ops && tree->ops->readpage_io_failed_hook)
 				ret = tree->ops->readpage_io_failed_hook(
 						bio, page, start, end,
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 4a34c472f126..bda53fcd1a09 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2930,11 +2930,13 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg)
 		goto out;
 
 	for (i = 0; i < ipath->fspath->elem_cnt; ++i) {
-		rel_ptr = ipath->fspath->val[i] - (u64)ipath->fspath->val;
+		rel_ptr = ipath->fspath->val[i] -
+			  (u64)(unsigned long)ipath->fspath->val;
 		ipath->fspath->val[i] = rel_ptr;
 	}
 
-	ret = copy_to_user((void *)ipa->fspath, (void *)ipath->fspath, size);
+	ret = copy_to_user((void *)(unsigned long)ipa->fspath,
+			   (void *)(unsigned long)ipath->fspath, size);
 	if (ret) {
 		ret = -EFAULT;
 		goto out;
@@ -3017,7 +3019,8 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root,
 	if (ret < 0)
 		goto out;
 
-	ret = copy_to_user((void *)loi->inodes, (void *)inodes, size);
+	ret = copy_to_user((void *)(unsigned long)loi->inodes,
+			   (void *)(unsigned long)inodes, size);
 	if (ret)
 		ret = -EFAULT;
 
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index f4190f22edfb..fab420db5121 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -272,7 +272,7 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root, void *ctx)
 			swarn->logical, swarn->dev->name,
 			(unsigned long long)swarn->sector, root, inum, offset,
 			min(isize - offset, (u64)PAGE_SIZE), nlink,
-			(char *)ipath->fspath->val[i]);
+			(char *)(unsigned long)ipath->fspath->val[i]);
 
 	free_ipath(ipath);
 	return 0;
-- 
GitLab


From 32240a913d9f3a5aad42175d7696590ea1bfdb08 Mon Sep 17 00:00:00 2001
From: Jan Schmidt <list.btrfs@jan-o-sch.net>
Date: Sun, 20 Nov 2011 07:33:38 -0500
Subject: [PATCH 0778/1594] btrfs: mirror_num should be int, not u64

My previous patch introduced some u64 for failed_mirror variables, this one
makes it consistent again.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/disk-io.c   | 2 +-
 fs/btrfs/extent_io.c | 4 ++--
 fs/btrfs/extent_io.h | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 48d30138237f..94abc25392f6 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -620,7 +620,7 @@ out:
 
 static int btree_io_failed_hook(struct bio *failed_bio,
 			 struct page *page, u64 start, u64 end,
-			 u64 mirror_num, struct extent_state *state)
+			 int mirror_num, struct extent_state *state)
 {
 	struct extent_io_tree *tree;
 	unsigned long len;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 47fdba7853c3..a877b8b212eb 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2285,8 +2285,8 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
 				clean_io_failure(start, page);
 		}
 		if (!uptodate) {
-			u64 failed_mirror;
-			failed_mirror = (unsigned long)bio->bi_bdev;
+			int failed_mirror;
+			failed_mirror = (int)(unsigned long)bio->bi_bdev;
 			if (tree->ops && tree->ops->readpage_io_failed_hook)
 				ret = tree->ops->readpage_io_failed_hook(
 						bio, page, start, end,
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index feb9be0e23bc..7604c3001322 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -70,7 +70,7 @@ struct extent_io_ops {
 			      unsigned long bio_flags);
 	int (*readpage_io_hook)(struct page *page, u64 start, u64 end);
 	int (*readpage_io_failed_hook)(struct bio *bio, struct page *page,
-				       u64 start, u64 end, u64 failed_mirror,
+				       u64 start, u64 end, int failed_mirror,
 				       struct extent_state *state);
 	int (*writepage_io_failed_hook)(struct bio *bio, struct page *page,
 					u64 start, u64 end,
-- 
GitLab


From 0f0fbf1d0e188d129756e9508090af4bdbfde00b Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Sun, 20 Nov 2011 07:33:38 -0500
Subject: [PATCH 0779/1594] Btrfs: fix to search one more bitmap for cluster
 setup

Suppose there are two bitmaps [0, 256], [256, 512] and one extent
[100, 120] in the free space cache, and we want to setup a cluster
with offset=100, bytes=50.

In this case, there will be only one bitmap [256, 512] in the temporary
bitmaps list, and then setup_cluster_bitmap() won't search bitmap [0, 256].

The cause is, the list is constructed in setup_cluster_no_bitmap(),
and only bitmaps with bitmap_entry->offset >= offset will be added
into the list, and the very bitmap that convers offset has
bitmap_entry->offset <= offset.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/free-space-cache.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 181760f9d2ab..8f792f41feab 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2453,10 +2453,22 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
 	struct btrfs_free_space *entry;
 	struct rb_node *node;
 	int ret = -ENOSPC;
+	u64 bitmap_offset = offset_to_bitmap(ctl, offset);
 
 	if (ctl->total_bitmaps == 0)
 		return -ENOSPC;
 
+	/*
+	 * The bitmap that covers offset won't be in the list unless offset
+	 * is just its start offset.
+	 */
+	entry = list_first_entry(bitmaps, struct btrfs_free_space, list);
+	if (entry->offset != bitmap_offset) {
+		entry = tree_search_offset(ctl, bitmap_offset, 1, 0);
+		if (entry && list_empty(&entry->list))
+			list_add(&entry->list, bitmaps);
+	}
+
 	/*
 	 * First check our cached list of bitmaps and see if there is an entry
 	 * here that will work.
-- 
GitLab


From 52621cb6ed0e0e14358bb317bda7cd5fbd5c2a27 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Sun, 20 Nov 2011 07:33:38 -0500
Subject: [PATCH 0780/1594] Btrfs: avoid unnecessary bitmap search for cluster
 setup

setup_cluster_no_bitmap() searches all the extents and bitmaps starting
from offset. Therefore if it returns -ENOSPC, all the bitmaps starting
from offset are in the bitmaps list, so it's sufficient to search from
this list in setup_cluser_bitmap().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/free-space-cache.c | 42 ++++---------------------------------
 1 file changed, 4 insertions(+), 38 deletions(-)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 8f792f41feab..8c32434da2cb 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2451,7 +2451,6 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
 {
 	struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
 	struct btrfs_free_space *entry;
-	struct rb_node *node;
 	int ret = -ENOSPC;
 	u64 bitmap_offset = offset_to_bitmap(ctl, offset);
 
@@ -2469,10 +2468,6 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
 			list_add(&entry->list, bitmaps);
 	}
 
-	/*
-	 * First check our cached list of bitmaps and see if there is an entry
-	 * here that will work.
-	 */
 	list_for_each_entry(entry, bitmaps, list) {
 		if (entry->bytes < min_bytes)
 			continue;
@@ -2483,38 +2478,10 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
 	}
 
 	/*
-	 * If we do have entries on our list and we are here then we didn't find
-	 * anything, so go ahead and get the next entry after the last entry in
-	 * this list and start the search from there.
+	 * The bitmaps list has all the bitmaps that record free space
+	 * starting after offset, so no more search is required.
 	 */
-	if (!list_empty(bitmaps)) {
-		entry = list_entry(bitmaps->prev, struct btrfs_free_space,
-				   list);
-		node = rb_next(&entry->offset_index);
-		if (!node)
-			return -ENOSPC;
-		entry = rb_entry(node, struct btrfs_free_space, offset_index);
-		goto search;
-	}
-
-	entry = tree_search_offset(ctl, offset_to_bitmap(ctl, offset), 0, 1);
-	if (!entry)
-		return -ENOSPC;
-
-search:
-	node = &entry->offset_index;
-	do {
-		entry = rb_entry(node, struct btrfs_free_space, offset_index);
-		node = rb_next(&entry->offset_index);
-		if (!entry->bitmap)
-			continue;
-		if (entry->bytes < min_bytes)
-			continue;
-		ret = btrfs_bitmap_cluster(block_group, entry, cluster, offset,
-					   bytes, min_bytes);
-	} while (ret && node);
-
-	return ret;
+	return -ENOSPC;
 }
 
 /*
@@ -2532,8 +2499,8 @@ int btrfs_find_space_cluster(struct btrfs_trans_handle *trans,
 			     u64 offset, u64 bytes, u64 empty_size)
 {
 	struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
-	struct list_head bitmaps;
 	struct btrfs_free_space *entry, *tmp;
+	LIST_HEAD(bitmaps);
 	u64 min_bytes;
 	int ret;
 
@@ -2572,7 +2539,6 @@ int btrfs_find_space_cluster(struct btrfs_trans_handle *trans,
 		goto out;
 	}
 
-	INIT_LIST_HEAD(&bitmaps);
 	ret = setup_cluster_no_bitmap(block_group, cluster, &bitmaps, offset,
 				      bytes, min_bytes);
 	if (ret)
-- 
GitLab


From fadc0d8be4dfca80f6c568bc5874931893c6709b Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Sun, 20 Nov 2011 07:33:38 -0500
Subject: [PATCH 0781/1594] btrfs: fix stat blocks accounting

Round inode bytes and delalloc bytes up to real blocksize before
converting to sector size. Otherwise eg. files smaller than 512
are reported with zero blocks due to incorrect rounding.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index e16215f480d0..8ad26b135a1c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6794,11 +6794,13 @@ static int btrfs_getattr(struct vfsmount *mnt,
 			 struct dentry *dentry, struct kstat *stat)
 {
 	struct inode *inode = dentry->d_inode;
+	u32 blocksize = inode->i_sb->s_blocksize;
+
 	generic_fillattr(inode, stat);
 	stat->dev = BTRFS_I(inode)->root->anon_dev;
 	stat->blksize = PAGE_CACHE_SIZE;
-	stat->blocks = (inode_get_bytes(inode) +
-			BTRFS_I(inode)->delalloc_bytes) >> 9;
+	stat->blocks = (ALIGN(inode_get_bytes(inode), blocksize) +
+		ALIGN(BTRFS_I(inode)->delalloc_bytes, blocksize)) >> 9;
 	return 0;
 }
 
-- 
GitLab


From 5bb1468238e20b15921909e9f9601e945f03bac7 Mon Sep 17 00:00:00 2001
From: Arnd Hannemann <arnd@arndnet.de>
Date: Sun, 20 Nov 2011 07:33:38 -0500
Subject: [PATCH 0782/1594] Btrfs: prefix resize related printks with btrfs:

For the user it is confusing to find something like:
[10197.627710] new size for /dev/mapper/vg0-usr_share is 3221225472
in kernel log, because it doesn't point directly to btrfs.

This patch prefixes those messages with "btrfs:" like other btrfs
related printks.

Signed-off-by: Arnd Hannemann <arnd@arndnet.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ioctl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index bda53fcd1a09..a90e749ed6d2 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1216,12 +1216,12 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
 		*devstr = '\0';
 		devstr = vol_args->name;
 		devid = simple_strtoull(devstr, &end, 10);
-		printk(KERN_INFO "resizing devid %llu\n",
+		printk(KERN_INFO "btrfs: resizing devid %llu\n",
 		       (unsigned long long)devid);
 	}
 	device = btrfs_find_device(root, devid, NULL, NULL);
 	if (!device) {
-		printk(KERN_INFO "resizer unable to find device %llu\n",
+		printk(KERN_INFO "btrfs: resizer unable to find device %llu\n",
 		       (unsigned long long)devid);
 		ret = -EINVAL;
 		goto out_unlock;
@@ -1267,7 +1267,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
 	do_div(new_size, root->sectorsize);
 	new_size *= root->sectorsize;
 
-	printk(KERN_INFO "new size for %s is %llu\n",
+	printk(KERN_INFO "btrfs: new size for %s is %llu\n",
 		device->name, (unsigned long long)new_size);
 
 	if (new_size > old_size) {
-- 
GitLab


From 291c7d2f577428f896daa5002e784959328a80aa Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Mon, 14 Nov 2011 13:52:14 -0500
Subject: [PATCH 0783/1594] Btrfs: wait on caching if we're loading the free
 space cache

We've been hitting panics when running xfstest 13 in a loop for long periods of
time.  And actually this problem has always existed so we've been hitting these
things randomly for a while.  Basically what happens is we get a thread coming
into the allocator and reading the space cache off of disk and adding the
entries to the free space cache as we go.  Then we get another thread that comes
in and tries to allocate from that block group.  Since block_group->cached !=
BTRFS_CACHE_NO it goes ahead and tries to do the allocation.  We do this because
if we're doing the old slow way of caching we don't want to hold people up and
wait for everything to finish.  The problem with this is we could end up
discarding the space cache at some arbitrary point in the future, which means we
could very well end up allocating space that is either bad, or when the real
caching happens it could end up thinking the space isn't in use when it really
is and cause all sorts of other problems.

The solution is to add a new flag to indicate we are loading the free space
cache from disk, and always try to cache the block group if cache->cached !=
BTRFS_CACHE_FINISHED.  That way if we are loading the space cache anybody else
who tries to allocate from the block group will have to wait until it's finished
to make sure it completes successfully.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/ctree.h       |   3 +-
 fs/btrfs/extent-tree.c | 119 +++++++++++++++++++++++++++--------------
 2 files changed, 81 insertions(+), 41 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b1cb3c052484..04a5dfcee5a1 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -848,7 +848,8 @@ struct btrfs_free_cluster {
 enum btrfs_caching_type {
 	BTRFS_CACHE_NO		= 0,
 	BTRFS_CACHE_STARTED	= 1,
-	BTRFS_CACHE_FINISHED	= 2,
+	BTRFS_CACHE_FAST	= 2,
+	BTRFS_CACHE_FINISHED	= 3,
 };
 
 enum btrfs_disk_cache_state {
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 0f47b3e2010e..5d86877f10e1 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -467,13 +467,59 @@ static int cache_block_group(struct btrfs_block_group_cache *cache,
 			     struct btrfs_root *root,
 			     int load_cache_only)
 {
+	DEFINE_WAIT(wait);
 	struct btrfs_fs_info *fs_info = cache->fs_info;
 	struct btrfs_caching_control *caching_ctl;
 	int ret = 0;
 
-	smp_mb();
-	if (cache->cached != BTRFS_CACHE_NO)
+	caching_ctl = kzalloc(sizeof(*caching_ctl), GFP_NOFS);
+	BUG_ON(!caching_ctl);
+
+	INIT_LIST_HEAD(&caching_ctl->list);
+	mutex_init(&caching_ctl->mutex);
+	init_waitqueue_head(&caching_ctl->wait);
+	caching_ctl->block_group = cache;
+	caching_ctl->progress = cache->key.objectid;
+	atomic_set(&caching_ctl->count, 1);
+	caching_ctl->work.func = caching_thread;
+
+	spin_lock(&cache->lock);
+	/*
+	 * This should be a rare occasion, but this could happen I think in the
+	 * case where one thread starts to load the space cache info, and then
+	 * some other thread starts a transaction commit which tries to do an
+	 * allocation while the other thread is still loading the space cache
+	 * info.  The previous loop should have kept us from choosing this block
+	 * group, but if we've moved to the state where we will wait on caching
+	 * block groups we need to first check if we're doing a fast load here,
+	 * so we can wait for it to finish, otherwise we could end up allocating
+	 * from a block group who's cache gets evicted for one reason or
+	 * another.
+	 */
+	while (cache->cached == BTRFS_CACHE_FAST) {
+		struct btrfs_caching_control *ctl;
+
+		ctl = cache->caching_ctl;
+		atomic_inc(&ctl->count);
+		prepare_to_wait(&ctl->wait, &wait, TASK_UNINTERRUPTIBLE);
+		spin_unlock(&cache->lock);
+
+		schedule();
+
+		finish_wait(&ctl->wait, &wait);
+		put_caching_control(ctl);
+		spin_lock(&cache->lock);
+	}
+
+	if (cache->cached != BTRFS_CACHE_NO) {
+		spin_unlock(&cache->lock);
+		kfree(caching_ctl);
 		return 0;
+	}
+	WARN_ON(cache->caching_ctl);
+	cache->caching_ctl = caching_ctl;
+	cache->cached = BTRFS_CACHE_FAST;
+	spin_unlock(&cache->lock);
 
 	/*
 	 * We can't do the read from on-disk cache during a commit since we need
@@ -484,56 +530,51 @@ static int cache_block_group(struct btrfs_block_group_cache *cache,
 	if (trans && (!trans->transaction->in_commit) &&
 	    (root && root != root->fs_info->tree_root) &&
 	    btrfs_test_opt(root, SPACE_CACHE)) {
-		spin_lock(&cache->lock);
-		if (cache->cached != BTRFS_CACHE_NO) {
-			spin_unlock(&cache->lock);
-			return 0;
-		}
-		cache->cached = BTRFS_CACHE_STARTED;
-		spin_unlock(&cache->lock);
-
 		ret = load_free_space_cache(fs_info, cache);
 
 		spin_lock(&cache->lock);
 		if (ret == 1) {
+			cache->caching_ctl = NULL;
 			cache->cached = BTRFS_CACHE_FINISHED;
 			cache->last_byte_to_unpin = (u64)-1;
 		} else {
-			cache->cached = BTRFS_CACHE_NO;
+			if (load_cache_only) {
+				cache->caching_ctl = NULL;
+				cache->cached = BTRFS_CACHE_NO;
+			} else {
+				cache->cached = BTRFS_CACHE_STARTED;
+			}
 		}
 		spin_unlock(&cache->lock);
+		wake_up(&caching_ctl->wait);
 		if (ret == 1) {
+			put_caching_control(caching_ctl);
 			free_excluded_extents(fs_info->extent_root, cache);
 			return 0;
 		}
+	} else {
+		/*
+		 * We are not going to do the fast caching, set cached to the
+		 * appropriate value and wakeup any waiters.
+		 */
+		spin_lock(&cache->lock);
+		if (load_cache_only) {
+			cache->caching_ctl = NULL;
+			cache->cached = BTRFS_CACHE_NO;
+		} else {
+			cache->cached = BTRFS_CACHE_STARTED;
+		}
+		spin_unlock(&cache->lock);
+		wake_up(&caching_ctl->wait);
 	}
 
-	if (load_cache_only)
-		return 0;
-
-	caching_ctl = kzalloc(sizeof(*caching_ctl), GFP_NOFS);
-	BUG_ON(!caching_ctl);
-
-	INIT_LIST_HEAD(&caching_ctl->list);
-	mutex_init(&caching_ctl->mutex);
-	init_waitqueue_head(&caching_ctl->wait);
-	caching_ctl->block_group = cache;
-	caching_ctl->progress = cache->key.objectid;
-	/* one for caching kthread, one for caching block group list */
-	atomic_set(&caching_ctl->count, 2);
-	caching_ctl->work.func = caching_thread;
-
-	spin_lock(&cache->lock);
-	if (cache->cached != BTRFS_CACHE_NO) {
-		spin_unlock(&cache->lock);
-		kfree(caching_ctl);
+	if (load_cache_only) {
+		put_caching_control(caching_ctl);
 		return 0;
 	}
-	cache->caching_ctl = caching_ctl;
-	cache->cached = BTRFS_CACHE_STARTED;
-	spin_unlock(&cache->lock);
 
 	down_write(&fs_info->extent_commit_sem);
+	atomic_inc(&caching_ctl->count);
 	list_add_tail(&caching_ctl->list, &fs_info->caching_block_groups);
 	up_write(&fs_info->extent_commit_sem);
 
@@ -5177,13 +5218,15 @@ search:
 		}
 
 have_block_group:
-		if (unlikely(block_group->cached == BTRFS_CACHE_NO)) {
+		cached = block_group_cache_done(block_group);
+		if (unlikely(!cached)) {
 			u64 free_percent;
 
+			found_uncached_bg = true;
 			ret = cache_block_group(block_group, trans,
 						orig_root, 1);
 			if (block_group->cached == BTRFS_CACHE_FINISHED)
-				goto have_block_group;
+				goto alloc;
 
 			free_percent = btrfs_block_group_used(&block_group->item);
 			free_percent *= 100;
@@ -5205,7 +5248,6 @@ have_block_group:
 							orig_root, 0);
 				BUG_ON(ret);
 			}
-			found_uncached_bg = true;
 
 			/*
 			 * If loop is set for cached only, try the next block
@@ -5215,10 +5257,7 @@ have_block_group:
 				goto loop;
 		}
 
-		cached = block_group_cache_done(block_group);
-		if (unlikely(!cached))
-			found_uncached_bg = true;
-
+alloc:
 		if (unlikely(block_group->ro))
 			goto loop;
 
-- 
GitLab


From f7d61dcd6873c49bcc42be2caa2af1c2511aa915 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Tue, 15 Nov 2011 09:31:24 -0500
Subject: [PATCH 0784/1594] Btrfs: clear pages dirty for io and set them extent
 mapped

When doing the io_ctl helpers to clean up the free space cache stuff I stopped
using our normal prepare_pages stuff, which means I of course forgot to do
things like set the pages extent mapped, which will cause us all sorts of
wonderful propblems.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/free-space-cache.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 8c32434da2cb..aedacdbf77e2 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -351,6 +351,11 @@ static int io_ctl_prepare_pages(struct io_ctl *io_ctl, struct inode *inode,
 		}
 	}
 
+	for (i = 0; i < io_ctl->num_pages; i++) {
+		clear_page_dirty_for_io(io_ctl->pages[i]);
+		set_page_extent_mapped(io_ctl->pages[i]);
+	}
+
 	return 0;
 }
 
-- 
GitLab


From 4d479cf010d56ec9c54f3099992d039918f1296b Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Thu, 17 Nov 2011 11:34:31 -0500
Subject: [PATCH 0785/1594] Btrfs: sectorsize align offsets in fiemap

We've been hitting BUG()'s in btrfs_cont_expand and btrfs_fallocate and anywhere
else that calls btrfs_get_extent while running xfstests 13 in a loop.  This is
because fiemap is calling btrfs_get_extent with non-sectorsize aligned offsets,
which will end up adding mappings that are not sectorsize aligned, which will
cause problems in some cases for subsequent calls to btrfs_get_extent for
similar areas that are sectorsize aligned.  With this patch I ran xfstests 13 in
a loop for a couple of hours and didn't hit the problem that I could previously
hit in at most 20 minutes.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/extent_io.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index a877b8b212eb..9472d3de5e52 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3366,6 +3366,9 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		return -ENOMEM;
 	path->leave_spinning = 1;
 
+	start = ALIGN(start, BTRFS_I(inode)->root->sectorsize);
+	len = ALIGN(len, BTRFS_I(inode)->root->sectorsize);
+
 	/*
 	 * lookup the last file extent.  We're not using i_size here
 	 * because there might be preallocation past i_size
@@ -3413,7 +3416,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	lock_extent_bits(&BTRFS_I(inode)->io_tree, start, start + len, 0,
 			 &cached_state, GFP_NOFS);
 
-	em = get_extent_skip_holes(inode, off, last_for_get_extent,
+	em = get_extent_skip_holes(inode, start, last_for_get_extent,
 				   get_extent);
 	if (!em)
 		goto out;
-- 
GitLab


From 0aed4a95ce3b39acfceb38ab7f93c7906b4a27f8 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 20 Nov 2011 15:10:27 +0100
Subject: [PATCH 0786/1594] ASoC: adau1373: fix DB_RANGE size

Give the correct number of entries to TLV_DB_RANGE_HEAD to prevent
reading more data than actually is in the array.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
---
 sound/soc/codecs/adau1373.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/adau1373.c b/sound/soc/codecs/adau1373.c
index 1ccf8dd47576..45c63028b40d 100644
--- a/sound/soc/codecs/adau1373.c
+++ b/sound/soc/codecs/adau1373.c
@@ -245,7 +245,7 @@ static const char *adau1373_bass_hpf_cutoff_text[] = {
 };
 
 static const unsigned int adau1373_bass_tlv[] = {
-	TLV_DB_RANGE_HEAD(4),
+	TLV_DB_RANGE_HEAD(3),
 	0, 2, TLV_DB_SCALE_ITEM(-600, 600, 1),
 	3, 4, TLV_DB_SCALE_ITEM(950, 250, 0),
 	5, 7, TLV_DB_SCALE_ITEM(1400, 150, 0),
-- 
GitLab


From a19ea0b8ec1f6892bf18f461d5023c9299e1417b Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 20 Nov 2011 15:11:54 +0100
Subject: [PATCH 0787/1594] ASoC: rt5631: fix DB_RANGE size

Give the correct number of entries to TLV_DB_RANGE_HEAD to prevent
the last entry from being omitted.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
---
 sound/soc/codecs/rt5631.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rt5631.c b/sound/soc/codecs/rt5631.c
index 27a078cbb6eb..4646e808b90a 100644
--- a/sound/soc/codecs/rt5631.c
+++ b/sound/soc/codecs/rt5631.c
@@ -177,7 +177,7 @@ static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -95625, 375, 0);
 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0);
 /* {0, +20, +24, +30, +35, +40, +44, +50, +52}dB */
 static unsigned int mic_bst_tlv[] = {
-	TLV_DB_RANGE_HEAD(6),
+	TLV_DB_RANGE_HEAD(7),
 	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
 	1, 1, TLV_DB_SCALE_ITEM(2000, 0, 0),
 	2, 2, TLV_DB_SCALE_ITEM(2400, 0, 0),
-- 
GitLab


From 740fb9d512d91b1d6192ea13c109efa05b101424 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 20 Nov 2011 15:12:26 +0100
Subject: [PATCH 0788/1594] ASoC: sgtl5000: fix DB_RANGE size

Give the correct number of entries to TLV_DB_RANGE_HEAD to prevent
reading more data than actually is in the array.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
---
 sound/soc/codecs/sgtl5000.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index d15695d1c273..bbcf921166f7 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -365,7 +365,7 @@ static const DECLARE_TLV_DB_SCALE(capture_6db_attenuate, -600, 600, 0);
 
 /* tlv for mic gain, 0db 20db 30db 40db */
 static const unsigned int mic_gain_tlv[] = {
-	TLV_DB_RANGE_HEAD(4),
+	TLV_DB_RANGE_HEAD(2),
 	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
 	1, 3, TLV_DB_SCALE_ITEM(2000, 1000, 0),
 };
-- 
GitLab


From 43e9dc7bce9f21355cd2aa493a99281eae03b156 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 20 Nov 2011 15:13:27 +0100
Subject: [PATCH 0789/1594] ASoC: wm8962: fix DB_RANGE size

Give the correct number of entries to TLV_DB_RANGE_HEAD to prevent
reading more data than actually is in the arrays.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
---
 sound/soc/codecs/wm8962.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 91d3c6dbeba3..53edd9a8c758 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -1973,7 +1973,7 @@ static int wm8962_reset(struct snd_soc_codec *codec)
 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -2325, 75, 0);
 static const DECLARE_TLV_DB_SCALE(mixin_tlv, -1500, 300, 0);
 static const unsigned int mixinpga_tlv[] = {
-	TLV_DB_RANGE_HEAD(7),
+	TLV_DB_RANGE_HEAD(5),
 	0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
 	2, 2, TLV_DB_SCALE_ITEM(1300, 1300, 0),
 	3, 4, TLV_DB_SCALE_ITEM(1800, 200, 0),
@@ -1988,7 +1988,7 @@ static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
 static const DECLARE_TLV_DB_SCALE(hp_tlv, -700, 100, 0);
 static const unsigned int classd_tlv[] = {
-	TLV_DB_RANGE_HEAD(7),
+	TLV_DB_RANGE_HEAD(2),
 	0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
 	7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
 };
-- 
GitLab


From dac678f5c281fac55aadfa5f390c12a8d14bbc67 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 20 Nov 2011 15:14:11 +0100
Subject: [PATCH 0790/1594] ASoC: wm8993: fix DB_RANGE size

Give the correct number of entries to TLV_DB_RANGE_HEAD to prevent
reading more data than actually is in the array.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
---
 sound/soc/codecs/wm8993.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index eec8e1435116..d1a142f48b09 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -512,7 +512,7 @@ static const DECLARE_TLV_DB_SCALE(drc_comp_threash, -4500, 75, 0);
 static const DECLARE_TLV_DB_SCALE(drc_comp_amp, -2250, 75, 0);
 static const DECLARE_TLV_DB_SCALE(drc_min_tlv, -1800, 600, 0);
 static const unsigned int drc_max_tlv[] = {
-	TLV_DB_RANGE_HEAD(4),
+	TLV_DB_RANGE_HEAD(2),
 	0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
 	3, 3, TLV_DB_SCALE_ITEM(3600, 0, 0),
 };
-- 
GitLab


From a1320fee27352b608a82020a47a59bb15e6e5db8 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 20 Nov 2011 15:14:55 +0100
Subject: [PATCH 0791/1594] ASoC: wm9090: fix DB_RANGE size

Give the correct number of entries to TLV_DB_RANGE_HEAD to prevent
reading more data than actually is in the arrays.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
---
 sound/soc/codecs/wm9090.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/wm9090.c b/sound/soc/codecs/wm9090.c
index 2b5252c9e377..f94c06057c64 100644
--- a/sound/soc/codecs/wm9090.c
+++ b/sound/soc/codecs/wm9090.c
@@ -177,19 +177,19 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec)
 }
 
 static const unsigned int in_tlv[] = {
-	TLV_DB_RANGE_HEAD(6),
+	TLV_DB_RANGE_HEAD(3),
 	0, 0, TLV_DB_SCALE_ITEM(-600, 0, 0),
 	1, 3, TLV_DB_SCALE_ITEM(-350, 350, 0),
 	4, 6, TLV_DB_SCALE_ITEM(600, 600, 0),
 };
 static const unsigned int mix_tlv[] = {
-	TLV_DB_RANGE_HEAD(4),
+	TLV_DB_RANGE_HEAD(2),
 	0, 2, TLV_DB_SCALE_ITEM(-1200, 300, 0),
 	3, 3, TLV_DB_SCALE_ITEM(0, 0, 0),
 };
 static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
 static const unsigned int spkboost_tlv[] = {
-	TLV_DB_RANGE_HEAD(7),
+	TLV_DB_RANGE_HEAD(2),
 	0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
 	7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
 };
-- 
GitLab


From 028aa634e180107ac93b790c0fed7376c0402d1a Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Sun, 20 Nov 2011 15:15:31 +0100
Subject: [PATCH 0792/1594] ASoC: wm_hubs: fix DB_RANGE size

Give the correct number of entries to TLV_DB_RANGE_HEAD to prevent
reading more data than actually is in the array.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
---
 sound/soc/codecs/wm_hubs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 84f33d4ea2cd..48e61e912400 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -40,7 +40,7 @@ static const DECLARE_TLV_DB_SCALE(outmix_tlv, -2100, 300, 0);
 static const DECLARE_TLV_DB_SCALE(spkmixout_tlv, -1800, 600, 1);
 static const DECLARE_TLV_DB_SCALE(outpga_tlv, -5700, 100, 0);
 static const unsigned int spkboost_tlv[] = {
-	TLV_DB_RANGE_HEAD(7),
+	TLV_DB_RANGE_HEAD(2),
 	0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
 	7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
 };
-- 
GitLab


From ef0cd47093a6c4b8a1f17d7be02a966f7805ff41 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sat, 19 Nov 2011 14:41:07 +0800
Subject: [PATCH 0793/1594] ASoC: cs4271: Fix wrong mask parameter in some
 snd_soc_update_bits calls

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Alexander Sverdlin <subaparts@yandex.ru>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/cs4271.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c
index 23d1bd5dadda..69fde1506fe1 100644
--- a/sound/soc/codecs/cs4271.c
+++ b/sound/soc/codecs/cs4271.c
@@ -434,7 +434,8 @@ static int cs4271_soc_suspend(struct snd_soc_codec *codec, pm_message_t mesg)
 {
 	int ret;
 	/* Set power-down bit */
-	ret = snd_soc_update_bits(codec, CS4271_MODE2, 0, CS4271_MODE2_PDN);
+	ret = snd_soc_update_bits(codec, CS4271_MODE2, CS4271_MODE2_PDN,
+				  CS4271_MODE2_PDN);
 	if (ret < 0)
 		return ret;
 	return 0;
@@ -501,8 +502,9 @@ static int cs4271_probe(struct snd_soc_codec *codec)
 		return ret;
 	}
 
-	ret = snd_soc_update_bits(codec, CS4271_MODE2, 0,
-		CS4271_MODE2_PDN | CS4271_MODE2_CPEN);
+	ret = snd_soc_update_bits(codec, CS4271_MODE2,
+				  CS4271_MODE2_PDN | CS4271_MODE2_CPEN,
+				  CS4271_MODE2_PDN | CS4271_MODE2_CPEN);
 	if (ret < 0)
 		return ret;
 	ret = snd_soc_update_bits(codec, CS4271_MODE2, CS4271_MODE2_PDN, 0);
-- 
GitLab


From dd179946db2493646955efc112d73c85b3cafcb1 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Tue, 16 Aug 2011 15:31:30 +0100
Subject: [PATCH 0794/1594] VFS: Log the fact that we've given ELOOP rather
 than creating a loop

To prevent an NFS server from being used to create a directory loop in an NFS
superblock on the client, the following patch was committed:

	commit 1836750115f20b774e55c032a3893e8c5bdf41ed
	Author: Al Viro <viro@zeniv.linux.org.uk>
	Date:   Tue Jul 12 21:42:24 2011 -0400
	Subject: fix loop checks in d_materialise_unique()

This causes ELOOP to be reported to anyone trying to access the dentry that
would otherwise cause the kernel to complete the loop.

However, no indication is given to the caller as to why an operation that ought
to work doesn't.  The fault is with the kernel, which doesn't want to try and
solve the problem as it gets horrendously messy if there's another mountpoint
somewhere in the trees being spliced that can't be moved[*].

[*] The real problem is that we don't handle the excision of a subtree that
gets moved _out_ of what we can see.  This can happen on the server where a
directory is merely moved between two other dirs on the same filesystem, but
where destination dir is not accessible by the client.

So, given the choice to return ELOOP rather than trying to reconfigure the
dentry tree, we should give the caller some indication of why they aren't being
allowed to make what should be a legitimate request and log a message.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dcache.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index a901c6901bce..10ba92def3f6 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -36,6 +36,7 @@
 #include <linux/bit_spinlock.h>
 #include <linux/rculist_bl.h>
 #include <linux/prefetch.h>
+#include <linux/ratelimit.h>
 #include "internal.h"
 
 /*
@@ -2383,8 +2384,16 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
 				actual = __d_unalias(inode, dentry, alias);
 			}
 			write_sequnlock(&rename_lock);
-			if (IS_ERR(actual))
+			if (IS_ERR(actual)) {
+				if (PTR_ERR(actual) == -ELOOP)
+					pr_warn_ratelimited(
+						"VFS: Lookup of '%s' in %s %s"
+						" would have caused loop\n",
+						dentry->d_name.name,
+						inode->i_sb->s_type->name,
+						inode->i_sb->s_id);
 				dput(alias);
+			}
 			goto out_nolock;
 		}
 	}
-- 
GitLab


From 274252862f386b7868f35bf5ceaa5391a8ccfdf3 Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil.sutter@viprinet.com>
Date: Wed, 16 Nov 2011 18:28:01 +0100
Subject: [PATCH 0795/1594] crypto: mv_cesa - fix hashing of chunks > 1920
 bytes

This was broken by commit 7759995c75ae0cbd4c861582908449f6b6208e7a (yes,
myself). The basic problem here is since the digest state is only saved
after the last chunk, the state array is only valid when handling the
first chunk of the next buffer. Broken since linux-3.0.

Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Cc: <stable@kernel.org> # 3.1.x
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/mv_cesa.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 3cf303ee3fe3..38a3297ae2be 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -342,11 +342,13 @@ static void mv_process_hash_current(int first_block)
 		else
 			op.config |= CFG_MID_FRAG;
 
-		writel(req_ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
-		writel(req_ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
-		writel(req_ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
-		writel(req_ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
-		writel(req_ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
+		if (first_block) {
+			writel(req_ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
+			writel(req_ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);
+			writel(req_ctx->state[2], cpg->reg + DIGEST_INITIAL_VAL_C);
+			writel(req_ctx->state[3], cpg->reg + DIGEST_INITIAL_VAL_D);
+			writel(req_ctx->state[4], cpg->reg + DIGEST_INITIAL_VAL_E);
+		}
 	}
 
 	memcpy(cpg->sram + SRAM_CONFIG, &op, sizeof(struct sec_accel_config));
-- 
GitLab


From 91ec37cc1015220965e39bf342fb846810d19e79 Mon Sep 17 00:00:00 2001
From: Thomas Jarosch <thomas.jarosch@intra2net.com>
Date: Thu, 17 Nov 2011 20:31:02 +0100
Subject: [PATCH 0796/1594] Fix comparison using wrong pointer variable in dma
 debug code

cppcheck reported:
[lib/dma-debug.c:248] -> [lib/dma-debug.c:248]: (style) Same expression on both sides of '=='.

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 lib/dma-debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 74c6c7fce749..fea790a2b176 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -245,7 +245,7 @@ static void put_hash_bucket(struct hash_bucket *bucket,
 
 static bool exact_match(struct dma_debug_entry *a, struct dma_debug_entry *b)
 {
-	return ((a->dev_addr == a->dev_addr) &&
+	return ((a->dev_addr == b->dev_addr) &&
 		(a->dev == b->dev)) ? true : false;
 }
 
-- 
GitLab


From 27533df80e93dc164e39d47281bbbd608f9014a6 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sun, 20 Nov 2011 23:57:49 +0300
Subject: [PATCH 0797/1594] ALSA: cs5535 - Fix an endianness conversion

desc->size is supposed to be a le16 type.  On a big endian system the
current code will set ->size to zero.  We fixed a similar bug
on the next line but missed this one.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/cs5535audio/cs5535audio_pcm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/cs5535audio/cs5535audio_pcm.c b/sound/pci/cs5535audio/cs5535audio_pcm.c
index e083122ca55a..dbf94b189e75 100644
--- a/sound/pci/cs5535audio/cs5535audio_pcm.c
+++ b/sound/pci/cs5535audio/cs5535audio_pcm.c
@@ -148,7 +148,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
 		struct cs5535audio_dma_desc *desc =
 			&((struct cs5535audio_dma_desc *) dma->desc_buf.area)[i];
 		desc->addr = cpu_to_le32(addr);
-		desc->size = cpu_to_le32(period_bytes);
+		desc->size = cpu_to_le16(period_bytes);
 		desc->ctlreserved = cpu_to_le16(PRD_EOP);
 		desc_addr += sizeof(struct cs5535audio_dma_desc);
 		addr += period_bytes;
-- 
GitLab


From 11ed0ba1754841316d4095478944300acf19acc3 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Mon, 14 Nov 2011 17:24:58 +0100
Subject: [PATCH 0798/1594] ARM: 7161/1: errata: no automatic store buffer
 drain

This patch implements a workaround for PL310 erratum 769419. On
revisions of the PL310 prior to r3p2, the Store Buffer does not
automatically drain. This can cause normal, non-cacheable writes to be
retained when the memory system is idle, leading to suboptimal I/O
performance for drivers using coherent DMA.

This patch adds an optional wmb() call to the cpu_idle loop. On systems
with an outer cache, this causes an explicit flush of the store buffer.

Cc: stable@vger.kernel.org
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/Kconfig          | 12 ++++++++++++
 arch/arm/kernel/process.c |  3 +++
 2 files changed, 15 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 44789eff983f..83aa746e71d6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1352,6 +1352,18 @@ config ARM_ERRATA_764369
 	  relevant cache maintenance functions and sets a specific bit
 	  in the diagnostic control register of the SCU.
 
+config PL310_ERRATA_769419
+	bool "PL310 errata: no automatic Store Buffer drain"
+	depends on CACHE_L2X0
+	help
+	  On revisions of the PL310 prior to r3p2, the Store Buffer does
+	  not automatically drain. This can cause normal, non-cacheable
+	  writes to be retained when the memory system is idle, leading
+	  to suboptimal I/O performance for drivers using coherent DMA.
+	  This option adds a write barrier to the cpu_idle loop so that,
+	  on systems with an outer cache, the store buffer is drained
+	  explicitly.
+
 endmenu
 
 source "arch/arm/common/Kconfig"
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 75316f0dd02a..3d0c6fb74ae4 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -192,6 +192,9 @@ void cpu_idle(void)
 #endif
 
 			local_irq_disable();
+#ifdef CONFIG_PL310_ERRATA_769419
+			wmb();
+#endif
 			if (hlt_counter) {
 				local_irq_enable();
 				cpu_relax();
-- 
GitLab


From fa0ce4035d4897b0642132866d896a906429f45e Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Mon, 14 Nov 2011 17:24:57 +0100
Subject: [PATCH 0799/1594] ARM: 7162/1: errata: tidy up Kconfig options for
 PL310 errata workarounds

The Kconfig options for the PL310 errata workarounds do not use a
consistent naming scheme for either the config option or the bool
description.

This patch tidies up the options by ensuring that the bool descriptions
are prefixed with "PL310 errata:" and the config options are prefixed
with PL310_ERRATA_, making it much clearer in menuconfig as to what the
workarounds are for.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/Kconfig         | 8 ++++----
 arch/arm/mm/cache-l2x0.c | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 83aa746e71d6..e084b7e981e8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1231,7 +1231,7 @@ config ARM_ERRATA_742231
 	  capabilities of the processor.
 
 config PL310_ERRATA_588369
-	bool "Clean & Invalidate maintenance operations do not invalidate clean lines"
+	bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines"
 	depends on CACHE_L2X0
 	help
 	   The PL310 L2 cache controller implements three types of Clean &
@@ -1256,7 +1256,7 @@ config ARM_ERRATA_720789
 	  entries regardless of the ASID.
 
 config PL310_ERRATA_727915
-	bool "Background Clean & Invalidate by Way operation can cause data corruption"
+	bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption"
 	depends on CACHE_L2X0
 	help
 	  PL310 implements the Clean & Invalidate by Way L2 cache maintenance
@@ -1289,8 +1289,8 @@ config ARM_ERRATA_751472
 	  operation is received by a CPU before the ICIALLUIS has completed,
 	  potentially leading to corrupted entries in the cache or TLB.
 
-config ARM_ERRATA_753970
-	bool "ARM errata: cache sync operation may be faulty"
+config PL310_ERRATA_753970
+	bool "PL310 errata: cache sync operation may be faulty"
 	depends on CACHE_PL310
 	help
 	  This option enables the workaround for the 753970 PL310 (r3p0) erratum.
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 8ac9e9f84790..b1e192ba8c24 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -61,7 +61,7 @@ static inline void cache_sync(void)
 {
 	void __iomem *base = l2x0_base;
 
-#ifdef CONFIG_ARM_ERRATA_753970
+#ifdef CONFIG_PL310_ERRATA_753970
 	/* write to an unmmapped register */
 	writel_relaxed(0, base + L2X0_DUMMY_REG);
 #else
-- 
GitLab


From 2674dd0b1c07d8b8dfb4872fc7b41841f05cb957 Mon Sep 17 00:00:00 2001
From: Javi Merino <javi.merino@arm.com>
Date: Wed, 16 Nov 2011 12:21:24 +0100
Subject: [PATCH 0800/1594] ARM: 7163/2: PL330: Only register usable channels

When the manager is running non-secure, the only channels that can
issue interrupts are the ones that have a 1 in their corresponding bit
in Configuration Register 3. The other ones will generate an abort
when trying to signal the end of the transaction so they are useless
in non-secure mode.

Reference: <1320244259-10496-2-git-send-email-javi.merino@arm.com>

Signed-off-by: Javi Merino <javi.merino@arm.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/common/pl330.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c
index 7129cfbdacd6..f748a385693f 100644
--- a/arch/arm/common/pl330.c
+++ b/arch/arm/common/pl330.c
@@ -1623,6 +1623,11 @@ static inline int _alloc_event(struct pl330_thread *thrd)
 	return -1;
 }
 
+static bool _chan_ns(const struct pl330_info *pi, int i)
+{
+	return pi->pcfg.irq_ns & (1 << i);
+}
+
 /* Upon success, returns IdentityToken for the
  * allocated channel, NULL otherwise.
  */
@@ -1647,7 +1652,8 @@ void *pl330_request_channel(const struct pl330_info *pi)
 
 	for (i = 0; i < chans; i++) {
 		thrd = &pl330->channels[i];
-		if (thrd->free) {
+		if ((thrd->free) && (!_manager_ns(thrd) ||
+					_chan_ns(pi, i))) {
 			thrd->ev = _alloc_event(thrd);
 			if (thrd->ev >= 0) {
 				thrd->free = false;
-- 
GitLab


From 1c8a7c1fbfc7ae2362d26559df26b99c806b68b5 Mon Sep 17 00:00:00 2001
From: Javi Merino <javi.merino@arm.com>
Date: Wed, 16 Nov 2011 12:45:39 +0100
Subject: [PATCH 0801/1594] ARM: 7165/2: PL330: Fix typo in _prepare_ccr()

scctl should be shifted by CC_SRCCTRL_SHFT and dcctl by

CC_DSTCCTRL_SHFT, not the other way round.

Reference: <1320244259-10496-4-git-send-email-javi.merino@arm.com>

Signed-off-by: Javi Merino <javi.merino@arm.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/common/pl330.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c
index f748a385693f..f407a6b35d3d 100644
--- a/arch/arm/common/pl330.c
+++ b/arch/arm/common/pl330.c
@@ -1211,8 +1211,8 @@ static inline u32 _prepare_ccr(const struct pl330_reqcfg *rqc)
 	ccr |= (rqc->brst_size << CC_SRCBRSTSIZE_SHFT);
 	ccr |= (rqc->brst_size << CC_DSTBRSTSIZE_SHFT);
 
-	ccr |= (rqc->dcctl << CC_SRCCCTRL_SHFT);
-	ccr |= (rqc->scctl << CC_DSTCCTRL_SHFT);
+	ccr |= (rqc->scctl << CC_SRCCCTRL_SHFT);
+	ccr |= (rqc->dcctl << CC_DSTCCTRL_SHFT);
 
 	ccr |= (rqc->swap << CC_SWAP_SHFT);
 
-- 
GitLab


From 53cbcbcf4362ef39e0a692b1d23c395999397fca Mon Sep 17 00:00:00 2001
From: Catalin Marinas <catalin.marinas@arm.com>
Date: Thu, 17 Nov 2011 13:11:21 +0100
Subject: [PATCH 0802/1594] ARM: 7166/1: Use PMD_SHIFT instead of PGDIR_SHIFT
 in dma-consistent.c

Commit 99d1717d (ARM: Add init_consistent_dma_size()) introduces dynamic
allocation of the consistent_pte array. The number of PTEs should be
calculated based on the number of PMD entries rather than PGD, hence the
PMD_SHIFT.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jon Medhurst <tixy@yxit.co.uk>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mm/dma-mapping.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e4e7f6cba1ab..ab584569930e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -168,7 +168,7 @@ static int __init consistent_init(void)
 	pte_t *pte;
 	int i = 0;
 	unsigned long base = consistent_base;
-	unsigned long num_ptes = (CONSISTENT_END - base) >> PGDIR_SHIFT;
+	unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT;
 
 	consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL);
 	if (!consistent_pte) {
-- 
GitLab


From 2ac654f740b574c58ee02bac3816cf466a1bfb41 Mon Sep 17 00:00:00 2001
From: Bing Zhao <bzhao@marvell.com>
Date: Wed, 16 Nov 2011 20:40:42 -0800
Subject: [PATCH 0803/1594] Bluetooth: btmrvl: support Marvell Bluetooth device
 SD8797

The SD8797 firmware image is shared with mwifiex driver.
Whoever gets loaded first will be responsible for firmware
downloading.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Frank Huang <frankh@marvell.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 drivers/bluetooth/Kconfig       |  6 +++---
 drivers/bluetooth/btmrvl_sdio.c | 15 +++++++++++++--
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 11b41fd40c27..5ccf142ef0b8 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -188,7 +188,7 @@ config BT_MRVL
 	  The core driver to support Marvell Bluetooth devices.
 
 	  This driver is required if you want to support
-	  Marvell Bluetooth devices, such as 8688/8787.
+	  Marvell Bluetooth devices, such as 8688/8787/8797.
 
 	  Say Y here to compile Marvell Bluetooth driver
 	  into the kernel or say M to compile it as module.
@@ -201,8 +201,8 @@ config BT_MRVL_SDIO
 	  The driver for Marvell Bluetooth chipsets with SDIO interface.
 
 	  This driver is required if you want to use Marvell Bluetooth
-	  devices with SDIO interface. Currently SD8688/SD8787 chipsets are
-	  supported.
+	  devices with SDIO interface. Currently SD8688/SD8787/SD8797
+	  chipsets are supported.
 
 	  Say Y here to compile support for Marvell BT-over-SDIO driver
 	  into the kernel or say M to compile it as module.
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index c827d737ccee..37b56398c8a6 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -64,7 +64,7 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = {
 	.io_port_1 = 0x01,
 	.io_port_2 = 0x02,
 };
-static const struct btmrvl_sdio_card_reg btmrvl_reg_8787 = {
+static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
 	.cfg = 0x00,
 	.host_int_mask = 0x02,
 	.host_intstatus = 0x03,
@@ -91,7 +91,14 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
 static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
 	.helper		= NULL,
 	.firmware	= "mrvl/sd8787_uapsta.bin",
-	.reg		= &btmrvl_reg_8787,
+	.reg		= &btmrvl_reg_87xx,
+	.sd_blksz_fw_dl	= 256,
+};
+
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
+	.helper		= NULL,
+	.firmware	= "mrvl/sd8797_uapsta.bin",
+	.reg		= &btmrvl_reg_87xx,
 	.sd_blksz_fw_dl	= 256,
 };
 
@@ -102,6 +109,9 @@ static const struct sdio_device_id btmrvl_sdio_ids[] = {
 	/* Marvell SD8787 Bluetooth device */
 	{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
 			.driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
+	/* Marvell SD8797 Bluetooth device */
+	{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
+			.driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
 
 	{ }	/* Terminating entry */
 };
@@ -1075,3 +1085,4 @@ MODULE_LICENSE("GPL v2");
 MODULE_FIRMWARE("sd8688_helper.bin");
 MODULE_FIRMWARE("sd8688.bin");
 MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
+MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
-- 
GitLab


From 48b28b8db9a74cc5c43e76485dc397e22bea2984 Mon Sep 17 00:00:00 2001
From: David Herrmann <dh.herrmann@googlemail.com>
Date: Sat, 19 Nov 2011 13:23:32 +0100
Subject: [PATCH 0804/1594] Bluetooth: cmtp: Fix module reference

We cannot call module_put(THIS_MODULE) if this is our last reference. Otherwise,
this call may cleanup our module before it returns.

Gladly, the kthread API provides a simple wrapper for us. So lets use
module_put_and_exit() to avoid a race condition with the module cleanup code.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/cmtp/core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 7d00ddf9e9dc..5a6e634f7fca 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -67,14 +67,12 @@ static struct cmtp_session *__cmtp_get_session(bdaddr_t *bdaddr)
 
 static void __cmtp_link_session(struct cmtp_session *session)
 {
-	__module_get(THIS_MODULE);
 	list_add(&session->list, &cmtp_session_list);
 }
 
 static void __cmtp_unlink_session(struct cmtp_session *session)
 {
 	list_del(&session->list);
-	module_put(THIS_MODULE);
 }
 
 static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci)
@@ -327,6 +325,7 @@ static int cmtp_session(void *arg)
 	up_write(&cmtp_session_sem);
 
 	kfree(session);
+	module_put_and_exit(0);
 	return 0;
 }
 
@@ -376,9 +375,11 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
 
 	__cmtp_link_session(session);
 
+	__module_get(THIS_MODULE);
 	session->task = kthread_run(cmtp_session, session, "kcmtpd_ctr_%d",
 								session->num);
 	if (IS_ERR(session->task)) {
+		module_put(THIS_MODULE);
 		err = PTR_ERR(session->task);
 		goto unlink;
 	}
-- 
GitLab


From 9b338c3dd12918f7f7df2b882f63f71e9efbcb41 Mon Sep 17 00:00:00 2001
From: David Herrmann <dh.herrmann@googlemail.com>
Date: Sat, 19 Nov 2011 13:23:33 +0100
Subject: [PATCH 0805/1594] Bluetooth: bnep: Fix module reference

We cannot call module_put(THIS_MODULE) if this is our last reference. Otherwise,
this call may cleanup our module before it returns.

Gladly, the kthread API provides a simple wrapper for us. So lets use
module_put_and_exit() to avoid a race condition with the module cleanup code.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/bnep/core.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 91bcd3a961ec..1eea8208b2cc 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -79,17 +79,12 @@ static struct bnep_session *__bnep_get_session(u8 *dst)
 
 static void __bnep_link_session(struct bnep_session *s)
 {
-	/* It's safe to call __module_get() here because sessions are added
-	   by the socket layer which has to hold the reference to this module.
-	 */
-	__module_get(THIS_MODULE);
 	list_add(&s->list, &bnep_session_list);
 }
 
 static void __bnep_unlink_session(struct bnep_session *s)
 {
 	list_del(&s->list);
-	module_put(THIS_MODULE);
 }
 
 static int bnep_send(struct bnep_session *s, void *data, size_t len)
@@ -530,6 +525,7 @@ static int bnep_session(void *arg)
 
 	up_write(&bnep_session_sem);
 	free_netdev(dev);
+	module_put_and_exit(0);
 	return 0;
 }
 
@@ -616,9 +612,11 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
 
 	__bnep_link_session(s);
 
+	__module_get(THIS_MODULE);
 	s->task = kthread_run(bnep_session, s, "kbnepd %s", dev->name);
 	if (IS_ERR(s->task)) {
 		/* Session thread start failed, gotta cleanup. */
+		module_put(THIS_MODULE);
 		unregister_netdev(dev);
 		__bnep_unlink_session(s);
 		err = PTR_ERR(s->task);
-- 
GitLab


From ed3e80c4c991a52f9fce3421536a78e331ae0949 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 21 Nov 2011 11:55:41 +0000
Subject: [PATCH 0806/1594] ASoC: Ensure WM8731 register cache is synced when
 resuming from disabled

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
---
 sound/soc/codecs/wm8731.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 7e5ec03f6f8d..a7c9ae17fc7e 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -453,6 +453,7 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
 		snd_soc_write(codec, WM8731_PWR, 0xffff);
 		regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
 				       wm8731->supplies);
+		codec->cache_sync = 1;
 		break;
 	}
 	codec->dapm.bias_level = level;
-- 
GitLab


From 6e58ad69efe9f4c91eb15f6bc365293414c397ce Mon Sep 17 00:00:00 2001
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Mon, 21 Nov 2011 12:09:19 -0500
Subject: [PATCH 0807/1594] ext4: fix up a undefined error in ext4_free_blocks
 in debugging code

sbi is not defined, so let ext4_free_blocks use EXT4_SB(sb) instead
when EXT4FS_DEBUG is defined.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
---
 fs/ext4/balloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index f6dba4505f1c..12ccacda44e0 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -565,7 +565,7 @@ ext4_fsblk_t ext4_count_free_clusters(struct super_block *sb)
 	brelse(bitmap_bh);
 	printk(KERN_DEBUG "ext4_count_free_clusters: stored = %llu"
 	       ", computed = %llu, %llu\n",
-	       EXT4_B2C(sbi, ext4_free_blocks_count(es)),
+	       EXT4_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)),
 	       desc_count, bitmap_count);
 	return bitmap_count;
 #else
-- 
GitLab


From 648ae8e53d58ed1b667db173a2d4ff2132a3b529 Mon Sep 17 00:00:00 2001
From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Wed, 9 Nov 2011 19:37:35 +0100
Subject: [PATCH 0808/1594] netfilter: ipset: suppress compile-time warnings in
 ip_set_hash_ipport*.c

warning: 'ip_to' may be used uninitialized in this function

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/ipset/ip_set_hash_ipport.c    | 2 +-
 net/netfilter/ipset/ip_set_hash_ipportip.c  | 2 +-
 net/netfilter/ipset/ip_set_hash_ipportnet.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c
index 6ee10f5d59bd..37d667e3f6f8 100644
--- a/net/netfilter/ipset/ip_set_hash_ipport.c
+++ b/net/netfilter/ipset/ip_set_hash_ipport.c
@@ -158,7 +158,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
 	const struct ip_set_hash *h = set->data;
 	ipset_adtfn adtfn = set->variant->adt[adt];
 	struct hash_ipport4_elem data = { };
-	u32 ip, ip_to, p = 0, port, port_to;
+	u32 ip, ip_to = 0, p = 0, port, port_to;
 	u32 timeout = h->timeout;
 	bool with_ports = false;
 	int ret;
diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c
index fb90e344e907..e69e2718fbe1 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportip.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportip.c
@@ -162,7 +162,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
 	const struct ip_set_hash *h = set->data;
 	ipset_adtfn adtfn = set->variant->adt[adt];
 	struct hash_ipportip4_elem data = { };
-	u32 ip, ip_to, p = 0, port, port_to;
+	u32 ip, ip_to = 0, p = 0, port, port_to;
 	u32 timeout = h->timeout;
 	bool with_ports = false;
 	int ret;
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index deb3e3dfa5fc..64199b4e93c9 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -184,7 +184,7 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 	const struct ip_set_hash *h = set->data;
 	ipset_adtfn adtfn = set->variant->adt[adt];
 	struct hash_ipportnet4_elem data = { .cidr = HOST_MASK };
-	u32 ip, ip_to, p = 0, port, port_to;
+	u32 ip, ip_to = 0, p = 0, port, port_to;
 	u32 ip2_from = 0, ip2_to, ip2_last, ip2;
 	u32 timeout = h->timeout;
 	bool with_ports = false;
-- 
GitLab


From 5e2afba4ecd7931ea06e6fa116ab28e6943dbd42 Mon Sep 17 00:00:00 2001
From: Paul Guo <ggang@tilera.com>
Date: Mon, 14 Nov 2011 19:00:54 +0800
Subject: [PATCH 0809/1594] netfilter: possible unaligned packet header in
 ip_route_me_harder

This patch tries to fix the following issue in netfilter:
In ip_route_me_harder(), we invoke pskb_expand_head() that
rellocates new header with additional head room which can break
the alignment of the original packet header.

In one of my NAT test case, the NIC port for internal hosts is
configured with vlan and the port for external hosts is with
general configuration. If we ping an external "unknown" hosts from an
internal host, an icmp packet will be sent. We find that in
icmp_send()->...->ip_route_me_harder()->pskb_expand_head(), hh_len=18
and current headroom (skb_headroom(skb)) of the packet is 16. After
calling pskb_expand_head() the packet header becomes to be unaligned
and then our system (arch/tile) panics immediately.

Signed-off-by: Paul Guo <ggang@tilera.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/ipv4/netfilter.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 9899619ab9b8..4f47e064e262 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -64,7 +64,8 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
 	/* Change in oif may mean change in hh_len. */
 	hh_len = skb_dst(skb)->dev->hard_header_len;
 	if (skb_headroom(skb) < hh_len &&
-	    pskb_expand_head(skb, hh_len - skb_headroom(skb), 0, GFP_ATOMIC))
+	    pskb_expand_head(skb, HH_DATA_ALIGN(hh_len - skb_headroom(skb)),
+				0, GFP_ATOMIC))
 		return -1;
 
 	return 0;
-- 
GitLab


From 904603f9b78f94d5a5fe29cf2f9694ef7f6f4420 Mon Sep 17 00:00:00 2001
From: Ben Greear <greearb@candelatech.com>
Date: Thu, 17 Nov 2011 14:53:36 -0800
Subject: [PATCH 0810/1594] mac80211: Fix AMSDU rate printout in debugfs.

It was flipped.  See section 7.3.2.56 of the 802.11n
spec for details.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/debugfs_sta.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index c5f341798c16..3110cbdc501b 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -274,9 +274,9 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
 
 		PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
 
-		PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
-			     "3839 bytes");
 		PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
+			     "3839 bytes");
+		PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
 			     "7935 bytes");
 
 		/*
-- 
GitLab


From 9c8f2c42c93f415771d6d7b87a0881ba0bb72824 Mon Sep 17 00:00:00 2001
From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Fri, 18 Nov 2011 17:02:16 +0100
Subject: [PATCH 0811/1594] mac80211: Fix endian bug in radiotap header
 generation

I intoduced this bug in commit a2fe81667410723d941a688e1958a49d67ca3346
"mac80211: Build TX radiotap header dynamically"

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/status.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index df643cedf9b9..5533a74e9bb3 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -259,7 +259,7 @@ static void ieee80211_add_tx_radiotap_header(struct ieee80211_supported_band
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct ieee80211_radiotap_header *rthdr;
 	unsigned char *pos;
-	__le16 txflags;
+	u16 txflags;
 
 	rthdr = (struct ieee80211_radiotap_header *) skb_push(skb, rtap_len);
 
@@ -289,13 +289,13 @@ static void ieee80211_add_tx_radiotap_header(struct ieee80211_supported_band
 	txflags = 0;
 	if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
 	    !is_multicast_ether_addr(hdr->addr1))
-		txflags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_FAIL);
+		txflags |= IEEE80211_RADIOTAP_F_TX_FAIL;
 
 	if ((info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
 	    (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
-		txflags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_CTS);
+		txflags |= IEEE80211_RADIOTAP_F_TX_CTS;
 	else if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
-		txflags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_RTS);
+		txflags |= IEEE80211_RADIOTAP_F_TX_RTS;
 
 	put_unaligned_le16(txflags, pos);
 	pos += 2;
-- 
GitLab


From de3584bd62d87b4c250129fbc46ca52c80330add Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 21 Nov 2011 10:44:00 +0100
Subject: [PATCH 0812/1594] cfg80211: fix regulatory NULL dereference

By the time userspace returns with a response to
the regulatory domain request, the wiphy causing
the request might have gone away. If this is so,
reject the update but mark the request as having
been processed anyway.

Cc: Luis R. Rodriguez <lrodriguez@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/reg.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index bc1ec2c26fd0..186b7f2a27b6 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2035,6 +2035,10 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
 	}
 
 	request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx);
+	if (!request_wiphy) {
+		reg_set_request_processed();
+		return -ENODEV;
+	}
 
 	if (!last_request->intersect) {
 		int r;
-- 
GitLab


From 40f9cd299a0e5e8dcdde9b5eb9bfda1cb9109f61 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 21 Nov 2011 17:47:13 +0300
Subject: [PATCH 0813/1594] prism54: potential memory corruption in
 prism54_get_essid()

"dwrq->length" is the capped version of "essid->length".

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/prism54/isl_ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c
index d97a2caf582b..bc2ba80c47bb 100644
--- a/drivers/net/wireless/prism54/isl_ioctl.c
+++ b/drivers/net/wireless/prism54/isl_ioctl.c
@@ -778,7 +778,7 @@ prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
 		dwrq->flags = 0;
 		dwrq->length = 0;
 	}
-	essid->octets[essid->length] = '\0';
+	essid->octets[dwrq->length] = '\0';
 	memcpy(extra, essid->octets, dwrq->length);
 	kfree(essid);
 
-- 
GitLab


From 404ba2b8f611bea3228daf031f03901d0c34ecd7 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 21 Nov 2011 17:57:25 +0000
Subject: [PATCH 0814/1594] gpio: pca953x: Staticise pca953x_get_altdata()

It's not used outside of the driver so doesn't need to be exported, and
sparse notices this and complains about it.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 drivers/gpio/gpio-pca953x.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 147df8ae79db..d3f3e8f54561 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -546,7 +546,7 @@ static void pca953x_irq_teardown(struct pca953x_chip *chip)
  * Translate OpenFirmware node properties into platform_data
  * WARNING: This is DEPRECATED and will be removed eventually!
  */
-void
+static void
 pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 {
 	struct device_node *node;
@@ -574,7 +574,7 @@ pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 		*invert = *val;
 }
 #else
-void
+static void
 pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
 {
 	*gpio_base = -1;
-- 
GitLab


From ba9bb431d3156a1c5d4d6f0b8c23b5792e9e9f4f Mon Sep 17 00:00:00 2001
From: Thomas Jarosch <thomas.jarosch@intra2net.com>
Date: Thu, 17 Nov 2011 10:33:52 +0000
Subject: [PATCH 0815/1594] iseries_veth: Fix wrong parameter given to sizeof
 call

"remote_list" is of type

struct dma_chunk remote_list[VETH_MAX_FRAMES_PER_MSG];

Probably a copy'n'paste error.

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/ibm/iseries_veth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ibm/iseries_veth.c b/drivers/net/ethernet/ibm/iseries_veth.c
index 4326681df382..acc31af6594a 100644
--- a/drivers/net/ethernet/ibm/iseries_veth.c
+++ b/drivers/net/ethernet/ibm/iseries_veth.c
@@ -1421,7 +1421,7 @@ static void veth_receive(struct veth_lpar_connection *cnx,
 
 		/* FIXME: do we need this? */
 		memset(local_list, 0, sizeof(local_list));
-		memset(remote_list, 0, sizeof(VETH_MAX_FRAMES_PER_MSG));
+		memset(remote_list, 0, sizeof(remote_list));
 
 		/* a 0 address marks the end of the valid entries */
 		if (senddata->addr[startchunk] == 0)
-- 
GitLab


From 24a70313969fc3fc440216b40babdb42564acff3 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Mon, 21 Nov 2011 09:39:11 -0500
Subject: [PATCH 0816/1594] Btrfs: remove free-space-cache.c WARN during log
 replay

The log replay code only partially loads block groups, since
the block group caching code is able to detect and deal with
extents the logging code has pinned down.

While the logging code is pinning down block groups, there is
a bogus WARN_ON we're hitting if the code wasn't able to find
an extent in the cache.  This commit removes the warning because
it can happen any time there isn't a valid free space cache
for that block group.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/free-space-cache.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index aedacdbf77e2..6e5b7e463698 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1849,7 +1849,13 @@ again:
 		info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset),
 					  1, 0);
 		if (!info) {
-			WARN_ON(1);
+			/* the tree logging code might be calling us before we
+			 * have fully loaded the free space rbtree for this
+			 * block group.  So it is possible the entry won't
+			 * be in the rbtree yet at all.  The caching code
+			 * will make sure not to put it in the rbtree if
+			 * the logging code has pinned it.
+			 */
 			goto out_lock;
 		}
 	}
-- 
GitLab


From cc11f9edd919002d8b3a03601a181a449150defd Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Mon, 21 Nov 2011 03:52:18 +0000
Subject: [PATCH 0817/1594] fix braino in um patchset (mea culpa)

wrong register returned...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/um/asm/processor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h
index 118c143a9cb4..2c32df6fe231 100644
--- a/arch/x86/um/asm/processor.h
+++ b/arch/x86/um/asm/processor.h
@@ -11,7 +11,7 @@
 #endif
 
 #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP)
-#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_IP)
+#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP)
 #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP)
 
 #define ARCH_IS_STACKGROW(address) \
-- 
GitLab


From 4f795b25eaf1109c77abfc3b57cef9b993f3aede Mon Sep 17 00:00:00 2001
From: Giuseppe CAVALLARO <peppe.cavallaro@st.com>
Date: Fri, 18 Nov 2011 05:00:20 +0000
Subject: [PATCH 0818/1594] stmmac: mask mmc interrupts

We need to mask the MMC irq otherwise if we raise the mmc
interrupts that are not handled the driver loops in the
handler.
In fact, by default all mmc counters (only used for stats)
are managed in SW and registers are cleared on each READ.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 8ea770a89f25..72cd190b9c1a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -781,10 +781,15 @@ static void stmmac_mmc_setup(struct stmmac_priv *priv)
 	unsigned int mode = MMC_CNTRL_RESET_ON_READ | MMC_CNTRL_COUNTER_RESET |
 			    MMC_CNTRL_PRESET | MMC_CNTRL_FULL_HALF_PRESET;
 
-	/* Do not manage MMC IRQ (FIXME) */
+	/* Mask MMC irq, counters are managed in SW and registers
+	 * are cleared on each READ eventually. */
 	dwmac_mmc_intr_all_mask(priv->ioaddr);
-	dwmac_mmc_ctrl(priv->ioaddr, mode);
-	memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
+
+	if (priv->dma_cap.rmon) {
+		dwmac_mmc_ctrl(priv->ioaddr, mode);
+		memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
+	} else
+		pr_info(" No MAC Management Counters available");
 }
 
 static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
@@ -1012,8 +1017,7 @@ static int stmmac_open(struct net_device *dev)
 	memset(&priv->xstats, 0, sizeof(struct stmmac_extra_stats));
 	priv->xstats.threshold = tc;
 
-	if (priv->dma_cap.rmon)
-		stmmac_mmc_setup(priv);
+	stmmac_mmc_setup(priv);
 
 	/* Start the ball rolling... */
 	DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);
-- 
GitLab


From 5ccb3ea72097ee0c8ea1f200a2ade101caf08aa4 Mon Sep 17 00:00:00 2001
From: Jan Beulich <JBeulich@suse.com>
Date: Fri, 18 Nov 2011 05:42:05 +0000
Subject: [PATCH 0819/1594] xen-netback: use correct index for invalidation in
 xen_netbk_tx_check_gop()

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/xen-netback/netback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 0cb594c86090..1ae270eed51a 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1021,7 +1021,7 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
 		pending_idx = *((u16 *)skb->data);
 		xen_netbk_idx_release(netbk, pending_idx);
 		for (j = start; j < i; j++) {
-			pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
+			pending_idx = frag_get_pending_idx(&shinfo->frags[j]);
 			xen_netbk_idx_release(netbk, pending_idx);
 		}
 
-- 
GitLab


From fbe54e3b7a7ad7de92b65e8b10fae300eeec6ef3 Mon Sep 17 00:00:00 2001
From: Jesper Juhl <jj@chaosbits.net>
Date: Sun, 20 Nov 2011 11:07:09 +0000
Subject: [PATCH 0820/1594] net, sja1000: Don't include version.h in peak_pci.c
 when not needed

It was pointed out by "make versioncheck" that we do not need to include
version.h in drivers/net/can/sja1000/peak_pci.c
This patch removes the unneeded include.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/sja1000/peak_pci.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index 905bce0b3a43..2c7f5036f570 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -20,7 +20,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/netdevice.h>
-- 
GitLab


From 525c6465d449cdec04b3c91733e46027a4d08422 Mon Sep 17 00:00:00 2001
From: "RongQing.Li" <roy.qing.li@gmail.com>
Date: Mon, 21 Nov 2011 16:45:26 -0500
Subject: [PATCH 0821/1594] dccp: fix error propagation in dccp_v4_connect

The errcode is not updated when ip_route_newports() fails.

Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/dccp/ipv4.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 90a919afbed7..3f4e5414c8e5 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -111,6 +111,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	rt = ip_route_newports(fl4, rt, orig_sport, orig_dport,
 			       inet->inet_sport, inet->inet_dport, sk);
 	if (IS_ERR(rt)) {
+		err = PTR_ERR(rt);
 		rt = NULL;
 		goto failure;
 	}
-- 
GitLab


From f23aa62545c18728eb2b9434aa258be27e07dd49 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 21 Nov 2011 16:46:24 -0500
Subject: [PATCH 0822/1594] caif: fix endian conversion in cffrml_transmit()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The "tmp" variable here is used to store the result of cpu_to_le16()
so it should be an __le16 instead of an int.  We want the high bits
set and the current code works on little endian systems but not on
big endian systems.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/caif/cffrml.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/net/caif/cffrml.c b/net/caif/cffrml.c
index f39921171d0d..d3ca87bf23b7 100644
--- a/net/caif/cffrml.c
+++ b/net/caif/cffrml.c
@@ -136,20 +136,21 @@ static int cffrml_receive(struct cflayer *layr, struct cfpkt *pkt)
 
 static int cffrml_transmit(struct cflayer *layr, struct cfpkt *pkt)
 {
-	int tmp;
 	u16 chks;
 	u16 len;
+	__le16 data;
+
 	struct cffrml *this = container_obj(layr);
 	if (this->dofcs) {
 		chks = cfpkt_iterate(pkt, cffrml_checksum, 0xffff);
-		tmp = cpu_to_le16(chks);
-		cfpkt_add_trail(pkt, &tmp, 2);
+		data = cpu_to_le16(chks);
+		cfpkt_add_trail(pkt, &data, 2);
 	} else {
 		cfpkt_pad_trail(pkt, 2);
 	}
 	len = cfpkt_getlen(pkt);
-	tmp = cpu_to_le16(len);
-	cfpkt_add_head(pkt, &tmp, 2);
+	data = cpu_to_le16(len);
+	cfpkt_add_head(pkt, &data, 2);
 	cfpkt_info(pkt)->hdr_len += 2;
 	if (cfpkt_erroneous(pkt)) {
 		pr_err("Packet is erroneous!\n");
-- 
GitLab


From c332c10c01d8d31f2eba9abc04b0fc3d62610ed8 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 21 Nov 2011 16:48:28 -0500
Subject: [PATCH 0823/1594] microblaze: bury asm/namei.h

altroot support has been gone for years, along with arch/*/asm/namei.h;
looks like a dummy survivor that sat it out in microblaze tree...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/microblaze/include/asm/namei.h | 22 ----------------------
 1 file changed, 22 deletions(-)
 delete mode 100644 arch/microblaze/include/asm/namei.h

diff --git a/arch/microblaze/include/asm/namei.h b/arch/microblaze/include/asm/namei.h
deleted file mode 100644
index 61d60b8a07d5..000000000000
--- a/arch/microblaze/include/asm/namei.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#ifndef _ASM_MICROBLAZE_NAMEI_H
-#define _ASM_MICROBLAZE_NAMEI_H
-
-#ifdef __KERNEL__
-
-/* This dummy routine maybe changed to something useful
- * for /usr/gnemul/ emulation stuff.
- * Look at asm-sparc/namei.h for details.
- */
-#define __emul_prefix() NULL
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_MICROBLAZE_NAMEI_H */
-- 
GitLab


From b46413367961c2e8bd827e067a231be982aaeee2 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 21 Nov 2011 17:25:37 -0500
Subject: [PATCH 0824/1594] iio: fix a leak due to improper use of
 anon_inode_getfd()

it can fail and in that case ->release() will *not* be called...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/staging/iio/industrialio-core.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 326e967d54ef..26564094e33b 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -242,6 +242,8 @@ static const struct file_operations iio_event_chrdev_fileops = {
 
 static int iio_event_getfd(struct iio_dev *indio_dev)
 {
+	int fd;
+
 	if (indio_dev->event_interface == NULL)
 		return -ENODEV;
 
@@ -252,9 +254,15 @@ static int iio_event_getfd(struct iio_dev *indio_dev)
 		return -EBUSY;
 	}
 	mutex_unlock(&indio_dev->event_interface->event_list_lock);
-	return anon_inode_getfd("iio:event",
+	fd = anon_inode_getfd("iio:event",
 				&iio_event_chrdev_fileops,
 				indio_dev->event_interface, O_RDONLY);
+	if (fd < 0) {
+		mutex_lock(&indio_dev->event_interface->event_list_lock);
+		clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags);
+		mutex_unlock(&indio_dev->event_interface->event_list_lock);
+	}
+	return fd;
 }
 
 static int __init iio_init(void)
-- 
GitLab


From 70e9942f17a6193e9172a804e6569a8806633d6b Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 22 Nov 2011 00:16:51 +0100
Subject: [PATCH 0825/1594] netfilter: nf_conntrack: make event callback
 registration per-netns

This patch fixes an oops that can be triggered following this recipe:

0) make sure nf_conntrack_netlink and nf_conntrack_ipv4 are loaded.
1) container is started.
2) connect to it via lxc-console.
3) generate some traffic with the container to create some conntrack
   entries in its table.
4) stop the container: you hit one oops because the conntrack table
   cleanup tries to report the destroy event to user-space but the
   per-netns nfnetlink socket has already gone (as the nfnetlink
   socket is per-netns but event callback registration is global).

To fix this situation, we make the ctnl_notifier per-netns so the
callback is registered/unregistered if the container is
created/destroyed.

Alex Bligh and Alexey Dobriyan originally proposed one small patch to
check if the nfnetlink socket is gone in nfnetlink_has_listeners,
but this is a very visited path for events, thus, it may reduce
performance and it looks a bit hackish to check for the nfnetlink
socket only to workaround this situation. As a result, I decided
to follow the bigger path choice, which seems to look nicer to me.

Cc: Alexey Dobriyan <adobriyan@gmail.com>
Reported-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 include/net/netfilter/nf_conntrack_ecache.h | 19 +++---
 include/net/netns/conntrack.h               |  2 +
 net/netfilter/nf_conntrack_ecache.c         | 37 +++++------
 net/netfilter/nf_conntrack_netlink.c        | 73 +++++++++++++++------
 4 files changed, 82 insertions(+), 49 deletions(-)

diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h
index 4283508b3e18..a88fb6939387 100644
--- a/include/net/netfilter/nf_conntrack_ecache.h
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -67,18 +67,18 @@ struct nf_ct_event_notifier {
 	int (*fcn)(unsigned int events, struct nf_ct_event *item);
 };
 
-extern struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
-extern int nf_conntrack_register_notifier(struct nf_ct_event_notifier *nb);
-extern void nf_conntrack_unregister_notifier(struct nf_ct_event_notifier *nb);
+extern int nf_conntrack_register_notifier(struct net *net, struct nf_ct_event_notifier *nb);
+extern void nf_conntrack_unregister_notifier(struct net *net, struct nf_ct_event_notifier *nb);
 
 extern void nf_ct_deliver_cached_events(struct nf_conn *ct);
 
 static inline void
 nf_conntrack_event_cache(enum ip_conntrack_events event, struct nf_conn *ct)
 {
+	struct net *net = nf_ct_net(ct);
 	struct nf_conntrack_ecache *e;
 
-	if (nf_conntrack_event_cb == NULL)
+	if (net->ct.nf_conntrack_event_cb == NULL)
 		return;
 
 	e = nf_ct_ecache_find(ct);
@@ -95,11 +95,12 @@ nf_conntrack_eventmask_report(unsigned int eventmask,
 			      int report)
 {
 	int ret = 0;
+	struct net *net = nf_ct_net(ct);
 	struct nf_ct_event_notifier *notify;
 	struct nf_conntrack_ecache *e;
 
 	rcu_read_lock();
-	notify = rcu_dereference(nf_conntrack_event_cb);
+	notify = rcu_dereference(net->ct.nf_conntrack_event_cb);
 	if (notify == NULL)
 		goto out_unlock;
 
@@ -164,9 +165,8 @@ struct nf_exp_event_notifier {
 	int (*fcn)(unsigned int events, struct nf_exp_event *item);
 };
 
-extern struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
-extern int nf_ct_expect_register_notifier(struct nf_exp_event_notifier *nb);
-extern void nf_ct_expect_unregister_notifier(struct nf_exp_event_notifier *nb);
+extern int nf_ct_expect_register_notifier(struct net *net, struct nf_exp_event_notifier *nb);
+extern void nf_ct_expect_unregister_notifier(struct net *net, struct nf_exp_event_notifier *nb);
 
 static inline void
 nf_ct_expect_event_report(enum ip_conntrack_expect_events event,
@@ -174,11 +174,12 @@ nf_ct_expect_event_report(enum ip_conntrack_expect_events event,
 			  u32 pid,
 			  int report)
 {
+	struct net *net = nf_ct_exp_net(exp);
 	struct nf_exp_event_notifier *notify;
 	struct nf_conntrack_ecache *e;
 
 	rcu_read_lock();
-	notify = rcu_dereference(nf_expect_event_cb);
+	notify = rcu_dereference(net->ct.nf_expect_event_cb);
 	if (notify == NULL)
 		goto out_unlock;
 
diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index 0249399e51a7..7a911eca0f18 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -18,6 +18,8 @@ struct netns_ct {
 	struct hlist_nulls_head	unconfirmed;
 	struct hlist_nulls_head	dying;
 	struct ip_conntrack_stat __percpu *stat;
+	struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
+	struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
 	int			sysctl_events;
 	unsigned int		sysctl_events_retry_timeout;
 	int			sysctl_acct;
diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c
index 6b368be937c6..b62c4148b921 100644
--- a/net/netfilter/nf_conntrack_ecache.c
+++ b/net/netfilter/nf_conntrack_ecache.c
@@ -27,22 +27,17 @@
 
 static DEFINE_MUTEX(nf_ct_ecache_mutex);
 
-struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb __read_mostly;
-EXPORT_SYMBOL_GPL(nf_conntrack_event_cb);
-
-struct nf_exp_event_notifier __rcu *nf_expect_event_cb __read_mostly;
-EXPORT_SYMBOL_GPL(nf_expect_event_cb);
-
 /* deliver cached events and clear cache entry - must be called with locally
  * disabled softirqs */
 void nf_ct_deliver_cached_events(struct nf_conn *ct)
 {
+	struct net *net = nf_ct_net(ct);
 	unsigned long events;
 	struct nf_ct_event_notifier *notify;
 	struct nf_conntrack_ecache *e;
 
 	rcu_read_lock();
-	notify = rcu_dereference(nf_conntrack_event_cb);
+	notify = rcu_dereference(net->ct.nf_conntrack_event_cb);
 	if (notify == NULL)
 		goto out_unlock;
 
@@ -83,19 +78,20 @@ out_unlock:
 }
 EXPORT_SYMBOL_GPL(nf_ct_deliver_cached_events);
 
-int nf_conntrack_register_notifier(struct nf_ct_event_notifier *new)
+int nf_conntrack_register_notifier(struct net *net,
+				   struct nf_ct_event_notifier *new)
 {
 	int ret = 0;
 	struct nf_ct_event_notifier *notify;
 
 	mutex_lock(&nf_ct_ecache_mutex);
-	notify = rcu_dereference_protected(nf_conntrack_event_cb,
+	notify = rcu_dereference_protected(net->ct.nf_conntrack_event_cb,
 					   lockdep_is_held(&nf_ct_ecache_mutex));
 	if (notify != NULL) {
 		ret = -EBUSY;
 		goto out_unlock;
 	}
-	RCU_INIT_POINTER(nf_conntrack_event_cb, new);
+	RCU_INIT_POINTER(net->ct.nf_conntrack_event_cb, new);
 	mutex_unlock(&nf_ct_ecache_mutex);
 	return ret;
 
@@ -105,32 +101,34 @@ out_unlock:
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_register_notifier);
 
-void nf_conntrack_unregister_notifier(struct nf_ct_event_notifier *new)
+void nf_conntrack_unregister_notifier(struct net *net,
+				      struct nf_ct_event_notifier *new)
 {
 	struct nf_ct_event_notifier *notify;
 
 	mutex_lock(&nf_ct_ecache_mutex);
-	notify = rcu_dereference_protected(nf_conntrack_event_cb,
+	notify = rcu_dereference_protected(net->ct.nf_conntrack_event_cb,
 					   lockdep_is_held(&nf_ct_ecache_mutex));
 	BUG_ON(notify != new);
-	RCU_INIT_POINTER(nf_conntrack_event_cb, NULL);
+	RCU_INIT_POINTER(net->ct.nf_conntrack_event_cb, NULL);
 	mutex_unlock(&nf_ct_ecache_mutex);
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_unregister_notifier);
 
-int nf_ct_expect_register_notifier(struct nf_exp_event_notifier *new)
+int nf_ct_expect_register_notifier(struct net *net,
+				   struct nf_exp_event_notifier *new)
 {
 	int ret = 0;
 	struct nf_exp_event_notifier *notify;
 
 	mutex_lock(&nf_ct_ecache_mutex);
-	notify = rcu_dereference_protected(nf_expect_event_cb,
+	notify = rcu_dereference_protected(net->ct.nf_expect_event_cb,
 					   lockdep_is_held(&nf_ct_ecache_mutex));
 	if (notify != NULL) {
 		ret = -EBUSY;
 		goto out_unlock;
 	}
-	RCU_INIT_POINTER(nf_expect_event_cb, new);
+	RCU_INIT_POINTER(net->ct.nf_expect_event_cb, new);
 	mutex_unlock(&nf_ct_ecache_mutex);
 	return ret;
 
@@ -140,15 +138,16 @@ out_unlock:
 }
 EXPORT_SYMBOL_GPL(nf_ct_expect_register_notifier);
 
-void nf_ct_expect_unregister_notifier(struct nf_exp_event_notifier *new)
+void nf_ct_expect_unregister_notifier(struct net *net,
+				      struct nf_exp_event_notifier *new)
 {
 	struct nf_exp_event_notifier *notify;
 
 	mutex_lock(&nf_ct_ecache_mutex);
-	notify = rcu_dereference_protected(nf_expect_event_cb,
+	notify = rcu_dereference_protected(net->ct.nf_expect_event_cb,
 					   lockdep_is_held(&nf_ct_ecache_mutex));
 	BUG_ON(notify != new);
-	RCU_INIT_POINTER(nf_expect_event_cb, NULL);
+	RCU_INIT_POINTER(net->ct.nf_expect_event_cb, NULL);
 	mutex_unlock(&nf_ct_ecache_mutex);
 }
 EXPORT_SYMBOL_GPL(nf_ct_expect_unregister_notifier);
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index e58aa9b1fe8a..ef21b221f036 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -4,7 +4,7 @@
  * (C) 2001 by Jay Schulist <jschlst@samba.org>
  * (C) 2002-2006 by Harald Welte <laforge@gnumonks.org>
  * (C) 2003 by Patrick Mchardy <kaber@trash.net>
- * (C) 2005-2008 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * (C) 2005-2011 by Pablo Neira Ayuso <pablo@netfilter.org>
  *
  * Initial connection tracking via netlink development funded and
  * generally made possible by Network Robots, Inc. (www.networkrobots.com)
@@ -2163,6 +2163,54 @@ MODULE_ALIAS("ip_conntrack_netlink");
 MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_CTNETLINK);
 MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_CTNETLINK_EXP);
 
+static int __net_init ctnetlink_net_init(struct net *net)
+{
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+	int ret;
+
+	ret = nf_conntrack_register_notifier(net, &ctnl_notifier);
+	if (ret < 0) {
+		pr_err("ctnetlink_init: cannot register notifier.\n");
+		goto err_out;
+	}
+
+	ret = nf_ct_expect_register_notifier(net, &ctnl_notifier_exp);
+	if (ret < 0) {
+		pr_err("ctnetlink_init: cannot expect register notifier.\n");
+		goto err_unreg_notifier;
+	}
+#endif
+	return 0;
+
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+err_unreg_notifier:
+	nf_conntrack_unregister_notifier(net, &ctnl_notifier);
+err_out:
+	return ret;
+#endif
+}
+
+static void ctnetlink_net_exit(struct net *net)
+{
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+	nf_ct_expect_unregister_notifier(net, &ctnl_notifier_exp);
+	nf_conntrack_unregister_notifier(net, &ctnl_notifier);
+#endif
+}
+
+static void __net_exit ctnetlink_net_exit_batch(struct list_head *net_exit_list)
+{
+	struct net *net;
+
+	list_for_each_entry(net, net_exit_list, exit_list)
+		ctnetlink_net_exit(net);
+}
+
+static struct pernet_operations ctnetlink_net_ops = {
+	.init		= ctnetlink_net_init,
+	.exit_batch	= ctnetlink_net_exit_batch,
+};
+
 static int __init ctnetlink_init(void)
 {
 	int ret;
@@ -2180,28 +2228,15 @@ static int __init ctnetlink_init(void)
 		goto err_unreg_subsys;
 	}
 
-#ifdef CONFIG_NF_CONNTRACK_EVENTS
-	ret = nf_conntrack_register_notifier(&ctnl_notifier);
-	if (ret < 0) {
-		pr_err("ctnetlink_init: cannot register notifier.\n");
+	if (register_pernet_subsys(&ctnetlink_net_ops)) {
+		pr_err("ctnetlink_init: cannot register pernet operations\n");
 		goto err_unreg_exp_subsys;
 	}
 
-	ret = nf_ct_expect_register_notifier(&ctnl_notifier_exp);
-	if (ret < 0) {
-		pr_err("ctnetlink_init: cannot expect register notifier.\n");
-		goto err_unreg_notifier;
-	}
-#endif
-
 	return 0;
 
-#ifdef CONFIG_NF_CONNTRACK_EVENTS
-err_unreg_notifier:
-	nf_conntrack_unregister_notifier(&ctnl_notifier);
 err_unreg_exp_subsys:
 	nfnetlink_subsys_unregister(&ctnl_exp_subsys);
-#endif
 err_unreg_subsys:
 	nfnetlink_subsys_unregister(&ctnl_subsys);
 err_out:
@@ -2213,11 +2248,7 @@ static void __exit ctnetlink_exit(void)
 	pr_info("ctnetlink: unregistering from nfnetlink.\n");
 
 	nf_ct_remove_userspace_expectations();
-#ifdef CONFIG_NF_CONNTRACK_EVENTS
-	nf_ct_expect_unregister_notifier(&ctnl_notifier_exp);
-	nf_conntrack_unregister_notifier(&ctnl_notifier);
-#endif
-
+	unregister_pernet_subsys(&ctnetlink_net_ops);
 	nfnetlink_subsys_unregister(&ctnl_exp_subsys);
 	nfnetlink_subsys_unregister(&ctnl_subsys);
 }
-- 
GitLab


From 74a0efdef1df7f576116811234ebedd8a1255ebc Mon Sep 17 00:00:00 2001
From: "Manjunathappa, Prakash" <prakash.pm@ti.com>
Date: Tue, 15 Nov 2011 17:32:23 +0530
Subject: [PATCH 0826/1594] video:da8xx-fb: Disable and reset sequence on
 version2 of LCDC

Patch follows the disable and software reset sequence specified
in version2 to LCDC functional specification.
Without this flicker is observed on re-enabling the LCDC.

Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
---
 drivers/video/da8xx-fb.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 55f91d9ab00b..29577bf1f559 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -116,6 +116,7 @@
 /* Clock registers available only on Version 2 */
 #define  LCD_CLK_ENABLE_REG			0x6c
 #define  LCD_CLK_RESET_REG			0x70
+#define  LCD_CLK_MAIN_RESET			BIT(3)
 
 #define LCD_NUM_BUFFERS	2
 
@@ -244,6 +245,10 @@ static inline void lcd_enable_raster(void)
 {
 	u32 reg;
 
+	/* Bring LCDC out of reset */
+	if (lcd_revision == LCD_VERSION_2)
+		lcdc_write(0, LCD_CLK_RESET_REG);
+
 	reg = lcdc_read(LCD_RASTER_CTRL_REG);
 	if (!(reg & LCD_RASTER_ENABLE))
 		lcdc_write(reg | LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
@@ -257,6 +262,10 @@ static inline void lcd_disable_raster(void)
 	reg = lcdc_read(LCD_RASTER_CTRL_REG);
 	if (reg & LCD_RASTER_ENABLE)
 		lcdc_write(reg & ~LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
+
+	if (lcd_revision == LCD_VERSION_2)
+		/* Write 1 to reset LCDC */
+		lcdc_write(LCD_CLK_MAIN_RESET, LCD_CLK_RESET_REG);
 }
 
 static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
@@ -584,8 +593,12 @@ static void lcd_reset(struct da8xx_fb_par *par)
 	lcdc_write(0, LCD_DMA_CTRL_REG);
 	lcdc_write(0, LCD_RASTER_CTRL_REG);
 
-	if (lcd_revision == LCD_VERSION_2)
+	if (lcd_revision == LCD_VERSION_2) {
 		lcdc_write(0, LCD_INT_ENABLE_SET_REG);
+		/* Write 1 to reset */
+		lcdc_write(LCD_CLK_MAIN_RESET, LCD_CLK_RESET_REG);
+		lcdc_write(0, LCD_CLK_RESET_REG);
+	}
 }
 
 static void lcd_calc_clk_divider(struct da8xx_fb_par *par)
-- 
GitLab


From a32839696a8eef813a1aff604fbad9a32dff6c95 Mon Sep 17 00:00:00 2001
From: Daniel Drake <dsd@laptop.org>
Date: Mon, 21 Nov 2011 15:05:56 +0000
Subject: [PATCH 0827/1594] viafb: correct sync polarity for OLPC DCON

While the OLPC display appears to be able to handle either positive
or negative sync, the Display Controller only recognises positive sync.

This brings viafb (for XO-1.5) in line with lxfb (for XO-1) and
fixes a recent regression where the XO-1.5 DCON could no longer be
frozen. Thanks to Florian Tobias Schandinat for helping identify
the fix.

Test case: from a vt,
	echo 1 > /sys/devices/platform/dcon/freeze
should cause the current screen contents to freeze, rather than garbage being
displayed.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@kernel.org
---
 drivers/video/via/share.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h
index 69d882cbe709..c01c1c162726 100644
--- a/drivers/video/via/share.h
+++ b/drivers/video/via/share.h
@@ -559,8 +559,8 @@
 #define M1200X720_R60_VSP       POSITIVE
 
 /* 1200x900@60 Sync Polarity (DCON) */
-#define M1200X900_R60_HSP       NEGATIVE
-#define M1200X900_R60_VSP       NEGATIVE
+#define M1200X900_R60_HSP       POSITIVE
+#define M1200X900_R60_VSP       POSITIVE
 
 /* 1280x600@60 Sync Polarity (GTF Mode) */
 #define M1280x600_R60_HSP       NEGATIVE
-- 
GitLab


From 05c7cc9ccab7d9229fdae68d7d6231edd2c93741 Mon Sep 17 00:00:00 2001
From: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Date: Mon, 21 Nov 2011 16:15:36 +0100
Subject: [PATCH 0828/1594] ALSA: hdspm - Fix PCI ID for PCIe RME MADI cards

Commit c09403dcc5698abf214329fbbf3cf8dbb5558bea has introduced a
regression: PCIe versions of RME MADI were no longer detected, because
the MADIface ID (0xd5) was used instead of the correct 0xd2.

This commit fixes the problem.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/rme9652/hdspm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index e760adad9523..19ee2203cbb5 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -6518,7 +6518,7 @@ static int __devinit snd_hdspm_create(struct snd_card *card,
 			hdspm->io_type = AES32;
 			hdspm->card_name = "RME AES32";
 			hdspm->midiPorts = 2;
-		} else if ((hdspm->firmware_rev == 0xd5) ||
+		} else if ((hdspm->firmware_rev == 0xd2) ||
 			((hdspm->firmware_rev >= 0xc8)  &&
 				(hdspm->firmware_rev <= 0xcf))) {
 			hdspm->io_type = MADI;
-- 
GitLab


From e760b5260d39113794da17c64cbd6e6311155b66 Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Mon, 21 Nov 2011 14:34:05 +0100
Subject: [PATCH 0829/1594] ARM: imx: drop 'ARCH_MX31' and 'ARCH_MX35'

Commit 27ad4bf72a ("ARM: imx: move mx3 support to mach-imx") kept
ARCH_MX31 and ARCH_MX35 'for compatibility'. Now that they aren't
actually used anymore, they can be dropped entirely.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/Kconfig | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 5f7f9c2a34ae..c44aa974e79c 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -10,11 +10,6 @@ config HAVE_IMX_MMDC
 config HAVE_IMX_SRC
 	bool
 
-#
-# ARCH_MX31 and ARCH_MX35 are left for compatibility
-# Some usages assume that having one of them implies not having (e.g.) ARCH_MX2.
-# To easily distinguish good and reviewed from unreviewed usages new (and IMHO
-# more sensible) names are used: SOC_IMX31 and SOC_IMX35
 config ARCH_MX1
 	bool
 
@@ -27,12 +22,6 @@ config ARCH_MX25
 config MACH_MX27
 	bool
 
-config ARCH_MX31
-	bool
-
-config ARCH_MX35
-	bool
-
 config SOC_IMX1
 	bool
 	select ARCH_MX1
@@ -72,7 +61,6 @@ config SOC_IMX31
 	select CPU_V6
 	select IMX_HAVE_PLATFORM_MXC_RNGA
 	select ARCH_MXC_AUDMUX_V2
-	select ARCH_MX31
 	select MXC_AVIC
 	select SMP_ON_UP if SMP
 
@@ -82,7 +70,6 @@ config SOC_IMX35
 	select ARCH_MXC_IOMUX_V3
 	select ARCH_MXC_AUDMUX_V2
 	select HAVE_EPIT
-	select ARCH_MX35
 	select MXC_AVIC
 	select SMP_ON_UP if SMP
 
-- 
GitLab


From adf792928d1c57f31b92b7908a5ba383e9f05373 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Tue, 22 Nov 2011 10:04:46 +0100
Subject: [PATCH 0830/1594] MAINTAINERS: Add missing directory

arch/arm/mach-imx/ is part of the i.MX support. Add it.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 071a99674347..c9ae02a522b8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -789,6 +789,7 @@ L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 T:	git git://git.pengutronix.de/git/imx/linux-2.6.git
 F:	arch/arm/mach-mx*/
+F:	arch/arm/mach-imx/
 F:	arch/arm/plat-mxc/
 
 ARM/FREESCALE IMX51
-- 
GitLab


From ca06679d758933b726c2677b523a26bc581eadcf Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Mon, 21 Nov 2011 16:26:52 -0200
Subject: [PATCH 0831/1594] ARM: mx5: Fix checkpatch warnings in cpu-imx5.c

Fix the following warnings reported by checkpatch:

WARNING: Use #include <linux/io.h> instead of <asm/io.h>
#19: FILE: arm/mach-imx/cpu-imx5.c:19:
+#include <asm/io.h>

WARNING: line over 80 characters
#70: FILE: arm/mach-imx/cpu-imx5.c:70:
+	if (mx51_revision() < IMX_CHIP_REVISION_3_0 && (elf_hwcap & HWCAP_NEON)) {

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/cpu.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index 5c5328257dca..5e2e7a843860 100644
--- a/arch/arm/mach-mx5/cpu.c
+++ b/arch/arm/mach-mx5/cpu.c
@@ -16,7 +16,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <mach/hardware.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 static int mx5_cpu_rev = -1;
 
@@ -67,7 +67,8 @@ static int __init mx51_neon_fixup(void)
 	if (!cpu_is_mx51())
 		return 0;
 
-	if (mx51_revision() < IMX_CHIP_REVISION_3_0 && (elf_hwcap & HWCAP_NEON)) {
+	if (mx51_revision() < IMX_CHIP_REVISION_3_0 &&
+			(elf_hwcap & HWCAP_NEON)) {
 		elf_hwcap &= ~HWCAP_NEON;
 		pr_info("Turning off NEON support, detected broken NEON implementation\n");
 	}
-- 
GitLab


From 87514fced7c347a7cdd8a7a346d935a168428ff7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Tue, 22 Nov 2011 10:07:26 +0100
Subject: [PATCH 0832/1594] ARM: imx/mm-imx3: conditionally compile i.MX31 and
 i.MX35 code
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This fixes building a kernel for only one of the two SOCs. Without this
patch an i.MX31 only build fails with:

	arch/arm/mach-imx/built-in.o: In function `imx35_init_early':
	mach-bug.c:(.init.text+0x2c): undefined reference to `mxc_iomux_v3_init'
	arch/arm/mach-imx/built-in.o: In function `imx35_soc_init':
	mach-bug.c:(.init.text+0xe4): undefined reference to `mx35_revision'

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/mm-imx3.c | 58 ++++++++++++++++++++-----------------
 1 file changed, 31 insertions(+), 27 deletions(-)

diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 9f0e82ec3398..72613c4b0e72 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -108,6 +108,7 @@ void imx3_init_l2x0(void)
 	l2x0_init(l2x0_base, 0x00030024, 0x00000000);
 }
 
+#ifdef CONFIG_SOC_IMX31
 static struct map_desc mx31_io_desc[] __initdata = {
 	imx_map_entry(MX31, X_MEMC, MT_DEVICE),
 	imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED),
@@ -126,19 +127,6 @@ void __init mx31_map_io(void)
 	iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc));
 }
 
-static struct map_desc mx35_io_desc[] __initdata = {
-	imx_map_entry(MX35, X_MEMC, MT_DEVICE),
-	imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
-	imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
-	imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
-	imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
-};
-
-void __init mx35_map_io(void)
-{
-	iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
-}
-
 void __init imx31_init_early(void)
 {
 	mxc_set_cpu_type(MXC_CPU_MX31);
@@ -147,25 +135,11 @@ void __init imx31_init_early(void)
 	imx_ioremap = imx3_ioremap;
 }
 
-void __init imx35_init_early(void)
-{
-	mxc_set_cpu_type(MXC_CPU_MX35);
-	mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
-	mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
-	imx_idle = imx3_idle;
-	imx_ioremap = imx3_ioremap;
-}
-
 void __init mx31_init_irq(void)
 {
 	mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR));
 }
 
-void __init mx35_init_irq(void)
-{
-	mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
-}
-
 static struct sdma_script_start_addrs imx31_to1_sdma_script __initdata = {
 	.per_2_per_addr = 1677,
 };
@@ -199,6 +173,35 @@ void __init imx31_soc_init(void)
 
 	imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata);
 }
+#endif /* ifdef CONFIG_SOC_IMX31 */
+
+#ifdef CONFIG_SOC_IMX35
+static struct map_desc mx35_io_desc[] __initdata = {
+	imx_map_entry(MX35, X_MEMC, MT_DEVICE),
+	imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
+	imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
+	imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
+	imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
+};
+
+void __init mx35_map_io(void)
+{
+	iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
+}
+
+void __init imx35_init_early(void)
+{
+	mxc_set_cpu_type(MXC_CPU_MX35);
+	mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
+	mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
+	imx_idle = imx3_idle;
+	imx_ioremap = imx3_ioremap;
+}
+
+void __init mx35_init_irq(void)
+{
+	mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
+}
 
 static struct sdma_script_start_addrs imx35_to1_sdma_script __initdata = {
 	.ap_2_ap_addr = 642,
@@ -254,3 +257,4 @@ void __init imx35_soc_init(void)
 
 	imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata);
 }
+#endif /* ifdef CONFIG_SOC_IMX35 */
-- 
GitLab


From 807dfe7041fb1ff2b076b999800553440e61234d Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sat, 8 Oct 2011 17:16:49 +0200
Subject: [PATCH 0833/1594] ARM: imx: export imx_ioremap

The arch_ioremap function on i.MX is now an indirect function pointer.
In order to use it from any loadable module, the pointer itself
has to be exported.

ERROR: "imx_ioremap" [drivers/video/tmiofb.ko] undefined!
ERROR: "imx_ioremap" [drivers/usb/host/sl811-hcd.ko] undefined!
ERROR: "imx_ioremap" [drivers/usb/host/r8a66597-hcd.ko] undefined!
ERROR: "imx_ioremap" [drivers/usb/host/oxu210hp-hcd.ko] undefined!
ERROR: "imx_ioremap" [drivers/usb/gadget/r8a66597-udc.ko] undefined!

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/plat-mxc/system.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c
index 9dad8dcc2ea9..45e1b5f6be44 100644
--- a/arch/arm/plat-mxc/system.c
+++ b/arch/arm/plat-mxc/system.c
@@ -21,6 +21,7 @@
 #include <linux/io.h>
 #include <linux/err.h>
 #include <linux/delay.h>
+#include <linux/module.h>
 
 #include <mach/hardware.h>
 #include <mach/common.h>
@@ -30,6 +31,7 @@
 
 void (*imx_idle)(void) = NULL;
 void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int) = NULL;
+EXPORT_SYMBOL_GPL(imx_ioremap);
 
 static void __iomem *wdog_base;
 
-- 
GitLab


From c6e8453e7511001e453f8b20b9ceefd231946867 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Fri, 18 Nov 2011 16:59:32 -0600
Subject: [PATCH 0834/1594] ALSA: hda - repoll ELD content for multiple times

Improve the one-shot ELD repoll to up to 6 retries.

Up to now the 300ms looks sufficient for the test boxes. However
I'm a bit worried about how well it can fit the wider user base.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_hdmi.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 9850c5b481ea..c505fd5d338c 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -69,6 +69,7 @@ struct hdmi_spec_per_pin {
 	struct hda_codec *codec;
 	struct hdmi_eld sink_eld;
 	struct delayed_work work;
+	int repoll_count;
 };
 
 struct hdmi_spec {
@@ -748,7 +749,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
  * Unsolicited events
  */
 
-static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry);
+static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 
 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 {
@@ -766,7 +767,7 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 	if (pin_idx < 0)
 		return;
 
-	hdmi_present_sense(&spec->pins[pin_idx], true);
+	hdmi_present_sense(&spec->pins[pin_idx], 1);
 }
 
 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
@@ -960,7 +961,7 @@ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
 	return 0;
 }
 
-static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry)
+static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 {
 	struct hda_codec *codec = per_pin->codec;
 	struct hdmi_eld *eld = &per_pin->sink_eld;
@@ -989,7 +990,7 @@ static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry)
 	if (eld_valid) {
 		if (!snd_hdmi_get_eld(eld, codec, pin_nid))
 			snd_hdmi_show_eld(eld);
-		else if (retry) {
+		else if (repoll) {
 			queue_delayed_work(codec->bus->workq,
 					   &per_pin->work,
 					   msecs_to_jiffies(300));
@@ -1004,7 +1005,10 @@ static void hdmi_repoll_eld(struct work_struct *work)
 	struct hdmi_spec_per_pin *per_pin =
 	container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
 
-	hdmi_present_sense(per_pin, false);
+	if (per_pin->repoll_count++ > 6)
+		per_pin->repoll_count = 0;
+
+	hdmi_present_sense(per_pin, per_pin->repoll_count);
 }
 
 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
@@ -1235,7 +1239,7 @@ static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
 	if (err < 0)
 		return err;
 
-	hdmi_present_sense(per_pin, false);
+	hdmi_present_sense(per_pin, 0);
 	return 0;
 }
 
-- 
GitLab


From afd00d7235c1989d06d75cf8ac3d7722fcf2f394 Mon Sep 17 00:00:00 2001
From: Tim Blechmann <tim@klingt.org>
Date: Tue, 22 Nov 2011 11:15:44 +0100
Subject: [PATCH 0835/1594] ALSA: lx6464es - command buffer API cleanup

the command buffer is only accessed from one file, so we can declare the
specific functions as static in that file

Signed-off-by: Tim Blechmann <tim@klingt.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/lx6464es/lx_core.c | 7 ++++---
 sound/pci/lx6464es/lx_core.h | 3 ---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c
index 5c8717e29eeb..ad52f4187e40 100644
--- a/sound/pci/lx6464es/lx_core.c
+++ b/sound/pci/lx6464es/lx_core.c
@@ -78,7 +78,8 @@ unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port)
 	return ioread32(address);
 }
 
-void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data, u32 len)
+static void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data,
+			       u32 len)
 {
 	void __iomem *address = lx_dsp_register(chip, port);
 	memcpy_fromio(data, address, len*sizeof(u32));
@@ -91,8 +92,8 @@ void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data)
 	iowrite32(data, address);
 }
 
-void lx_dsp_reg_writebuf(struct lx6464es *chip, int port, const u32 *data,
-			 u32 len)
+static void lx_dsp_reg_writebuf(struct lx6464es *chip, int port,
+				const u32 *data, u32 len)
 {
 	void __iomem *address = lx_dsp_register(chip, port);
 	memcpy_toio(address, data, len*sizeof(u32));
diff --git a/sound/pci/lx6464es/lx_core.h b/sound/pci/lx6464es/lx_core.h
index 1dd562980b6c..4d7ff797a646 100644
--- a/sound/pci/lx6464es/lx_core.h
+++ b/sound/pci/lx6464es/lx_core.h
@@ -72,10 +72,7 @@ enum {
 };
 
 unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port);
-void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data, u32 len);
 void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data);
-void lx_dsp_reg_writebuf(struct lx6464es *chip, int port, const u32 *data,
-			 u32 len);
 
 /* plx register access */
 enum {
-- 
GitLab


From a29878553a9a7b4c06f93c7e383527cf014d4ceb Mon Sep 17 00:00:00 2001
From: Tim Blechmann <tim@klingt.org>
Date: Tue, 22 Nov 2011 11:15:45 +0100
Subject: [PATCH 0836/1594] ALSA: lx6464es - fix device communication via
 command bus

commit 6175ddf06b6172046a329e3abfd9c901a43efd2e optimized the mem*io
functions that have been used to send commands to the device. these
optimizations somehow corrupted the communication with the lx6464es,
that resulted the device to be unusable with kernels after 2.6.33.

this patch emulates the memcpy_*_io functions via a loop to avoid these
problems.

Signed-off-by: Tim Blechmann <tim@klingt.org>
LKML-Reference: <4ECB5257.4040600@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/lx6464es/lx_core.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c
index ad52f4187e40..8c3e7fcefd99 100644
--- a/sound/pci/lx6464es/lx_core.c
+++ b/sound/pci/lx6464es/lx_core.c
@@ -81,8 +81,12 @@ unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port)
 static void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data,
 			       u32 len)
 {
-	void __iomem *address = lx_dsp_register(chip, port);
-	memcpy_fromio(data, address, len*sizeof(u32));
+	u32 __iomem *address = lx_dsp_register(chip, port);
+	int i;
+
+	/* we cannot use memcpy_fromio */
+	for (i = 0; i != len; ++i)
+		data[i] = ioread32(address + i);
 }
 
 
@@ -95,8 +99,12 @@ void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data)
 static void lx_dsp_reg_writebuf(struct lx6464es *chip, int port,
 				const u32 *data, u32 len)
 {
-	void __iomem *address = lx_dsp_register(chip, port);
-	memcpy_toio(address, data, len*sizeof(u32));
+	u32 __iomem *address = lx_dsp_register(chip, port);
+	int i;
+
+	/* we cannot use memcpy_to */
+	for (i = 0; i != len; ++i)
+		iowrite32(data[i], address + i);
 }
 
 
-- 
GitLab


From a370fc62b9ad3f73abe2a721de6c03cdcce95b54 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Tue, 22 Nov 2011 16:46:23 +0800
Subject: [PATCH 0837/1594] ALSA: hda - fail ELD reading early

With the ELD repoll mechanism, we can (and should) fail the ELD reading
immediately when find something obviously wrong and let the caller retry
after some delay.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_eld.c | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 7ae7578bdcc0..c1da422e085a 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -347,18 +347,28 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld,
 
 	for (i = 0; i < size; i++) {
 		unsigned int val = hdmi_get_eld_data(codec, nid, i);
+		/*
+		 * Graphics driver might be writing to ELD buffer right now.
+		 * Just abort. The caller will repoll after a while.
+		 */
 		if (!(val & AC_ELDD_ELD_VALID)) {
-			if (!i) {
-				snd_printd(KERN_INFO
-					   "HDMI: invalid ELD data\n");
-				ret = -EINVAL;
-				goto error;
-			}
 			snd_printd(KERN_INFO
 				  "HDMI: invalid ELD data byte %d\n", i);
-			val = 0;
-		} else
-			val &= AC_ELDD_ELD_DATA;
+			ret = -EINVAL;
+			goto error;
+		}
+		val &= AC_ELDD_ELD_DATA;
+		/*
+		 * The first byte cannot be zero. This can happen on some DVI
+		 * connections. Some Intel chips may also need some 250ms delay
+		 * to return non-zero ELD data, even when the graphics driver
+		 * correctly writes ELD content before setting ELD_valid bit.
+		 */
+		if (!val && !i) {
+			snd_printdd(KERN_INFO "HDMI: 0 ELD data\n");
+			ret = -EINVAL;
+			goto error;
+		}
 		buf[i] = val;
 	}
 
-- 
GitLab


From 72531c9434fa884d20cb3c36fcec83752f32fdf4 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Tue, 22 Nov 2011 09:46:51 +0800
Subject: [PATCH 0838/1594] ASoC: Fix wrong define for AD1836_ADC_WORD_OFFSET

According to the datasheet:
The BIT[5:4] of ADC Control Register 2 is to control the word width.
        00 = 25 Bits
        01 = 20 Bits
        10 = 16 Bits
        11 = Invalid

Thus, the AD1836_ADC_WORD_OFFSET should be defined as 4.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
---
 sound/soc/codecs/ad1836.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/ad1836.h b/sound/soc/codecs/ad1836.h
index 444747f0db26..dd7be0dbbc58 100644
--- a/sound/soc/codecs/ad1836.h
+++ b/sound/soc/codecs/ad1836.h
@@ -34,7 +34,7 @@
 
 #define AD1836_ADC_CTRL2               13
 #define AD1836_ADC_WORD_LEN_MASK       0x30
-#define AD1836_ADC_WORD_OFFSET         5
+#define AD1836_ADC_WORD_OFFSET         4
 #define AD1836_ADC_SERFMT_MASK         (7 << 6)
 #define AD1836_ADC_SERFMT_PCK256       (0x4 << 6)
 #define AD1836_ADC_SERFMT_PCK128       (0x5 << 6)
-- 
GitLab


From 5c4b2aa3fd1dc30af098de5dec766a817621ace2 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Tue, 22 Nov 2011 14:47:44 +0800
Subject: [PATCH 0839/1594] ASoC: max9877: Update register if either val or
 val2 is changed

In the case of ((max9877_regs[reg] >> shift) & mask) != val
but ((max9877_regs[reg2] >> shift) & mask) == val2,
current code does not update the registers.

Fix the logic to update registers if either val or val2 is changed.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/max9877.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/max9877.c b/sound/soc/codecs/max9877.c
index 9e7e964a5fa3..dcf6f2a1600a 100644
--- a/sound/soc/codecs/max9877.c
+++ b/sound/soc/codecs/max9877.c
@@ -106,13 +106,13 @@ static int max9877_set_2reg(struct snd_kcontrol *kcontrol,
 	unsigned int mask = mc->max;
 	unsigned int val = (ucontrol->value.integer.value[0] & mask);
 	unsigned int val2 = (ucontrol->value.integer.value[1] & mask);
-	unsigned int change = 1;
+	unsigned int change = 0;
 
-	if (((max9877_regs[reg] >> shift) & mask) == val)
-		change = 0;
+	if (((max9877_regs[reg] >> shift) & mask) != val)
+		change = 1;
 
-	if (((max9877_regs[reg2] >> shift) & mask) == val2)
-		change = 0;
+	if (((max9877_regs[reg2] >> shift) & mask) != val2)
+		change = 1;
 
 	if (change) {
 		max9877_regs[reg] &= ~(mask << shift);
-- 
GitLab


From 90459ce06f410b983540be56209c0abcbce23944 Mon Sep 17 00:00:00 2001
From: Bob Liu <lliubbo@gmail.com>
Date: Thu, 4 Aug 2011 11:02:33 +0200
Subject: [PATCH 0840/1594] percpu: rename pcpu_mem_alloc to pcpu_mem_zalloc

Currently pcpu_mem_alloc() is implemented always return zeroed memory.
So rename it to make user like pcpu_get_pages_and_bitmap() know don't
reinit it.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
 mm/percpu-vm.c |  5 ++---
 mm/percpu.c    | 17 +++++++++--------
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c
index ea534960a04b..29e3730d2ffd 100644
--- a/mm/percpu-vm.c
+++ b/mm/percpu-vm.c
@@ -50,14 +50,13 @@ static struct page **pcpu_get_pages_and_bitmap(struct pcpu_chunk *chunk,
 
 	if (!pages || !bitmap) {
 		if (may_alloc && !pages)
-			pages = pcpu_mem_alloc(pages_size);
+			pages = pcpu_mem_zalloc(pages_size);
 		if (may_alloc && !bitmap)
-			bitmap = pcpu_mem_alloc(bitmap_size);
+			bitmap = pcpu_mem_zalloc(bitmap_size);
 		if (!pages || !bitmap)
 			return NULL;
 	}
 
-	memset(pages, 0, pages_size);
 	bitmap_copy(bitmap, chunk->populated, pcpu_unit_pages);
 
 	*bitmapp = bitmap;
diff --git a/mm/percpu.c b/mm/percpu.c
index bf80e55dbed7..28c37a2e2de2 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -273,11 +273,11 @@ static void __maybe_unused pcpu_next_pop(struct pcpu_chunk *chunk,
 	     (rs) = (re) + 1, pcpu_next_pop((chunk), &(rs), &(re), (end)))
 
 /**
- * pcpu_mem_alloc - allocate memory
+ * pcpu_mem_zalloc - allocate memory
  * @size: bytes to allocate
  *
  * Allocate @size bytes.  If @size is smaller than PAGE_SIZE,
- * kzalloc() is used; otherwise, vmalloc() is used.  The returned
+ * kzalloc() is used; otherwise, vzalloc() is used.  The returned
  * memory is always zeroed.
  *
  * CONTEXT:
@@ -286,7 +286,7 @@ static void __maybe_unused pcpu_next_pop(struct pcpu_chunk *chunk,
  * RETURNS:
  * Pointer to the allocated area on success, NULL on failure.
  */
-static void *pcpu_mem_alloc(size_t size)
+static void *pcpu_mem_zalloc(size_t size)
 {
 	if (WARN_ON_ONCE(!slab_is_available()))
 		return NULL;
@@ -302,7 +302,7 @@ static void *pcpu_mem_alloc(size_t size)
  * @ptr: memory to free
  * @size: size of the area
  *
- * Free @ptr.  @ptr should have been allocated using pcpu_mem_alloc().
+ * Free @ptr.  @ptr should have been allocated using pcpu_mem_zalloc().
  */
 static void pcpu_mem_free(void *ptr, size_t size)
 {
@@ -384,7 +384,7 @@ static int pcpu_extend_area_map(struct pcpu_chunk *chunk, int new_alloc)
 	size_t old_size = 0, new_size = new_alloc * sizeof(new[0]);
 	unsigned long flags;
 
-	new = pcpu_mem_alloc(new_size);
+	new = pcpu_mem_zalloc(new_size);
 	if (!new)
 		return -ENOMEM;
 
@@ -604,11 +604,12 @@ static struct pcpu_chunk *pcpu_alloc_chunk(void)
 {
 	struct pcpu_chunk *chunk;
 
-	chunk = pcpu_mem_alloc(pcpu_chunk_struct_size);
+	chunk = pcpu_mem_zalloc(pcpu_chunk_struct_size);
 	if (!chunk)
 		return NULL;
 
-	chunk->map = pcpu_mem_alloc(PCPU_DFL_MAP_ALLOC * sizeof(chunk->map[0]));
+	chunk->map = pcpu_mem_zalloc(PCPU_DFL_MAP_ALLOC *
+						sizeof(chunk->map[0]));
 	if (!chunk->map) {
 		kfree(chunk);
 		return NULL;
@@ -1889,7 +1890,7 @@ void __init percpu_init_late(void)
 
 		BUILD_BUG_ON(size > PAGE_SIZE);
 
-		map = pcpu_mem_alloc(size);
+		map = pcpu_mem_zalloc(size);
 		BUG_ON(!map);
 
 		spin_lock_irqsave(&pcpu_lock, flags);
-- 
GitLab


From a855b84c3d8c73220d4d3cd392a7bee7c83de70e Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Fri, 18 Nov 2011 10:55:35 -0800
Subject: [PATCH 0841/1594] percpu: fix chunk range calculation

Percpu allocator recorded the cpus which map to the first and last
units in pcpu_first/last_unit_cpu respectively and used them to
determine the address range of a chunk - e.g. it assumed that the
first unit has the lowest address in a chunk while the last unit has
the highest address.

This simply isn't true.  Groups in a chunk can have arbitrary positive
or negative offsets from the previous one and there is no guarantee
that the first unit occupies the lowest offset while the last one the
highest.

Fix it by actually comparing unit offsets to determine cpus occupying
the lowest and highest offsets.  Also, rename pcu_first/last_unit_cpu
to pcpu_low/high_unit_cpu to avoid confusion.

The chunk address range is used to flush cache on vmalloc area
map/unmap and decide whether a given address is in the first chunk by
per_cpu_ptr_to_phys() and the bug was discovered by invalid
per_cpu_ptr_to_phys() translation for crash_note.

Kudos to Dave Young for tracking down the problem.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: WANG Cong <xiyou.wangcong@gmail.com>
Reported-by: Dave Young <dyoung@redhat.com>
Tested-by: Dave Young <dyoung@redhat.com>
LKML-Reference: <4EC21F67.10905@redhat.com>
Cc: stable @kernel.org
---
 mm/percpu-vm.c | 12 ++++++------
 mm/percpu.c    | 34 ++++++++++++++++++++--------------
 2 files changed, 26 insertions(+), 20 deletions(-)

diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c
index 29e3730d2ffd..12a48a88c0d8 100644
--- a/mm/percpu-vm.c
+++ b/mm/percpu-vm.c
@@ -142,8 +142,8 @@ static void pcpu_pre_unmap_flush(struct pcpu_chunk *chunk,
 				 int page_start, int page_end)
 {
 	flush_cache_vunmap(
-		pcpu_chunk_addr(chunk, pcpu_first_unit_cpu, page_start),
-		pcpu_chunk_addr(chunk, pcpu_last_unit_cpu, page_end));
+		pcpu_chunk_addr(chunk, pcpu_low_unit_cpu, page_start),
+		pcpu_chunk_addr(chunk, pcpu_high_unit_cpu, page_end));
 }
 
 static void __pcpu_unmap_pages(unsigned long addr, int nr_pages)
@@ -205,8 +205,8 @@ static void pcpu_post_unmap_tlb_flush(struct pcpu_chunk *chunk,
 				      int page_start, int page_end)
 {
 	flush_tlb_kernel_range(
-		pcpu_chunk_addr(chunk, pcpu_first_unit_cpu, page_start),
-		pcpu_chunk_addr(chunk, pcpu_last_unit_cpu, page_end));
+		pcpu_chunk_addr(chunk, pcpu_low_unit_cpu, page_start),
+		pcpu_chunk_addr(chunk, pcpu_high_unit_cpu, page_end));
 }
 
 static int __pcpu_map_pages(unsigned long addr, struct page **pages,
@@ -283,8 +283,8 @@ static void pcpu_post_map_flush(struct pcpu_chunk *chunk,
 				int page_start, int page_end)
 {
 	flush_cache_vmap(
-		pcpu_chunk_addr(chunk, pcpu_first_unit_cpu, page_start),
-		pcpu_chunk_addr(chunk, pcpu_last_unit_cpu, page_end));
+		pcpu_chunk_addr(chunk, pcpu_low_unit_cpu, page_start),
+		pcpu_chunk_addr(chunk, pcpu_high_unit_cpu, page_end));
 }
 
 /**
diff --git a/mm/percpu.c b/mm/percpu.c
index 28c37a2e2de2..2473ff06dc76 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -116,9 +116,9 @@ static int pcpu_atom_size __read_mostly;
 static int pcpu_nr_slots __read_mostly;
 static size_t pcpu_chunk_struct_size __read_mostly;
 
-/* cpus with the lowest and highest unit numbers */
-static unsigned int pcpu_first_unit_cpu __read_mostly;
-static unsigned int pcpu_last_unit_cpu __read_mostly;
+/* cpus with the lowest and highest unit addresses */
+static unsigned int pcpu_low_unit_cpu __read_mostly;
+static unsigned int pcpu_high_unit_cpu __read_mostly;
 
 /* the address of the first chunk which starts with the kernel static area */
 void *pcpu_base_addr __read_mostly;
@@ -985,19 +985,19 @@ phys_addr_t per_cpu_ptr_to_phys(void *addr)
 {
 	void __percpu *base = __addr_to_pcpu_ptr(pcpu_base_addr);
 	bool in_first_chunk = false;
-	unsigned long first_start, first_end;
+	unsigned long first_low, first_high;
 	unsigned int cpu;
 
 	/*
-	 * The following test on first_start/end isn't strictly
+	 * The following test on unit_low/high isn't strictly
 	 * necessary but will speed up lookups of addresses which
 	 * aren't in the first chunk.
 	 */
-	first_start = pcpu_chunk_addr(pcpu_first_chunk, pcpu_first_unit_cpu, 0);
-	first_end = pcpu_chunk_addr(pcpu_first_chunk, pcpu_last_unit_cpu,
-				    pcpu_unit_pages);
-	if ((unsigned long)addr >= first_start &&
-	    (unsigned long)addr < first_end) {
+	first_low = pcpu_chunk_addr(pcpu_first_chunk, pcpu_low_unit_cpu, 0);
+	first_high = pcpu_chunk_addr(pcpu_first_chunk, pcpu_high_unit_cpu,
+				     pcpu_unit_pages);
+	if ((unsigned long)addr >= first_low &&
+	    (unsigned long)addr < first_high) {
 		for_each_possible_cpu(cpu) {
 			void *start = per_cpu_ptr(base, cpu);
 
@@ -1234,7 +1234,9 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
 
 	for (cpu = 0; cpu < nr_cpu_ids; cpu++)
 		unit_map[cpu] = UINT_MAX;
-	pcpu_first_unit_cpu = NR_CPUS;
+
+	pcpu_low_unit_cpu = NR_CPUS;
+	pcpu_high_unit_cpu = NR_CPUS;
 
 	for (group = 0, unit = 0; group < ai->nr_groups; group++, unit += i) {
 		const struct pcpu_group_info *gi = &ai->groups[group];
@@ -1254,9 +1256,13 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
 			unit_map[cpu] = unit + i;
 			unit_off[cpu] = gi->base_offset + i * ai->unit_size;
 
-			if (pcpu_first_unit_cpu == NR_CPUS)
-				pcpu_first_unit_cpu = cpu;
-			pcpu_last_unit_cpu = cpu;
+			/* determine low/high unit_cpu */
+			if (pcpu_low_unit_cpu == NR_CPUS ||
+			    unit_off[cpu] < unit_off[pcpu_low_unit_cpu])
+				pcpu_low_unit_cpu = cpu;
+			if (pcpu_high_unit_cpu == NR_CPUS ||
+			    unit_off[cpu] > unit_off[pcpu_high_unit_cpu])
+				pcpu_high_unit_cpu = cpu;
 		}
 	}
 	pcpu_nr_units = unit;
-- 
GitLab


From d31da0f0ba3bc0a827a63879310818c22d9a95be Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 22 Nov 2011 12:31:21 -0500
Subject: [PATCH 0842/1594] mount_subtree() pointless use-after-free

d'oh... we'd carefully pinned mnt->mnt_sb down, dropped mnt and attempt
to grab s_umount on mnt->mnt_sb.  The trouble is, *mnt might've been
overwritten by now...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/namespace.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 50ee30345b4f..6d3a1963879b 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2493,6 +2493,7 @@ EXPORT_SYMBOL(create_mnt_ns);
 struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
 {
 	struct mnt_namespace *ns;
+	struct super_block *s;
 	struct path path;
 	int err;
 
@@ -2509,10 +2510,11 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
 		return ERR_PTR(err);
 
 	/* trade a vfsmount reference for active sb one */
-	atomic_inc(&path.mnt->mnt_sb->s_active);
+	s = path.mnt->mnt_sb;
+	atomic_inc(&s->s_active);
 	mntput(path.mnt);
 	/* lock the sucker */
-	down_write(&path.mnt->mnt_sb->s_umount);
+	down_write(&s->s_umount);
 	/* ... and return the root of (sub)tree on it */
 	return path.dentry;
 }
-- 
GitLab


From e5a21327644adba32816f74a415114d11c57f2e9 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Tue, 22 Nov 2011 18:01:46 +0000
Subject: [PATCH 0843/1594] ARM: perf: check that we have a platform device
 when reserving PMU

Attempting to use a hardware counter on a platform with a supported PMU
but where the platform_device (defining the interrupts) has not been
registered results in a NULL pointer dereference.

This patch fixes the problem by checking that we actually have a platform
device registered before attempting to grab the interrupts.

Reported-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm/kernel/perf_event.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index e508066d3d64..c475379199b1 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -402,6 +402,9 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu)
 	int i, err, irq, irqs;
 	struct platform_device *pmu_device = armpmu->plat_device;
 
+	if (!pmu_device)
+		return -ENODEV;
+
 	err = reserve_pmu(armpmu->type);
 	if (err) {
 		pr_warning("unable to reserve pmu\n");
-- 
GitLab


From 3d94a2a53a3979c30620e3adea10f20bef8267b3 Mon Sep 17 00:00:00 2001
From: Boojin Kim <boojin.kim@samsung.com>
Date: Tue, 22 Nov 2011 11:03:22 +0900
Subject: [PATCH 0844/1594] ASoC: SAMSUNG: Fix build error

This patch adds <linux/modules.h> to fix following build errors.

sound/soc/codecs/wm8994.c: In function 'wm8994_readable':
sound/soc/codecs/wm8994.c:58: warning: unused variable 'wm8994'
sound/soc/samsung/smdk_wm8994.c:176: error: expected declaration specifiers or '...' before string constant
sound/soc/samsung/smdk_wm8994.c:176: warning: data definition has no type or storage class
sound/soc/samsung/smdk_wm8994.c:176: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
sound/soc/samsung/smdk_wm8994.c:176: warning: function declaration isn't a prototype
sound/soc/samsung/smdk_wm8994.c:177: error: expected declaration specifiers or '...' before string constant

Signed-off-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/samsung/smdk_wm8994.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/samsung/smdk_wm8994.c b/sound/soc/samsung/smdk_wm8994.c
index f75e43997d5b..ad9ac42522e2 100644
--- a/sound/soc/samsung/smdk_wm8994.c
+++ b/sound/soc/samsung/smdk_wm8994.c
@@ -9,6 +9,7 @@
 
 #include "../codecs/wm8994.h"
 #include <sound/pcm_params.h>
+#include <linux/module.h>
 
  /*
   * Default CFG switch settings to use this driver:
-- 
GitLab


From 26cc40a83384178bfaefbcfb4786591498f3e190 Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Mon, 21 Nov 2011 13:05:02 +0100
Subject: [PATCH 0845/1594] ttm: Don't return the bo reserved on error path

An unlikely race could case a bo to be returned reserved on an error path.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 617b64678fc6..0bb0f5f713e6 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -574,10 +574,16 @@ retry:
 		return ret;
 
 	spin_lock(&glob->lru_lock);
+
+	if (unlikely(list_empty(&bo->ddestroy))) {
+		spin_unlock(&glob->lru_lock);
+		return 0;
+	}
+
 	ret = ttm_bo_reserve_locked(bo, interruptible,
 				    no_wait_reserve, false, 0);
 
-	if (unlikely(ret != 0) || list_empty(&bo->ddestroy)) {
+	if (unlikely(ret != 0)) {
 		spin_unlock(&glob->lru_lock);
 		return ret;
 	}
-- 
GitLab


From d724502a9d7a46f4a56a1663b1f50d2dc9d1ef40 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 21 Nov 2011 12:10:14 -0500
Subject: [PATCH 0846/1594] drm/radeon/kms: fix up gpio i2c mask bits for r4xx
 for real

Fixes i2c test failures when i2c_algo_bit.bit_test=1.

The hw doesn't actually require a mask, so just set it
to the default mask bits for r1xx-r4xx radeon ddc.

I missed this part the first time through.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index fecd705a1a5f..933a2cd7bb55 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -181,6 +181,18 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev)
 			gpio = &i2c_info->asGPIO_Info[i];
 			i2c.valid = false;
 
+			/* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
+			if ((rdev->family == CHIP_R420) ||
+			    (rdev->family == CHIP_R423) ||
+			    (rdev->family == CHIP_RV410)) {
+				if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
+				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
+				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
+					gpio->ucClkMaskShift = 0x19;
+					gpio->ucDataMaskShift = 0x18;
+				}
+			}
+
 			/* some evergreen boards have bad data for this entry */
 			if (ASIC_IS_DCE4(rdev)) {
 				if ((i == 7) &&
-- 
GitLab


From 21240f9bc1b0ac925cd18b74618327a110022332 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 21 Nov 2011 12:41:21 -0500
Subject: [PATCH 0847/1594] drm/radeon/kms/atom: unify i2c gpio table handling

Split the quirks and i2c_rec assignment into separate
functions used by both radeon_lookup_i2c_gpio() and
radeon_atombios_i2c_init().  This avoids duplicating code
and cases where quirks were only added to one of the
functions.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_atombios.c | 214 +++++++++--------------
 1 file changed, 86 insertions(+), 128 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 933a2cd7bb55..d24baf30efcb 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -62,6 +62,87 @@ union atom_supported_devices {
 	struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1;
 };
 
+static void radeon_lookup_i2c_gpio_quirks(struct radeon_device *rdev,
+					  ATOM_GPIO_I2C_ASSIGMENT *gpio,
+					  u8 index)
+{
+	/* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
+	if ((rdev->family == CHIP_R420) ||
+	    (rdev->family == CHIP_R423) ||
+	    (rdev->family == CHIP_RV410)) {
+		if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
+		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
+		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
+			gpio->ucClkMaskShift = 0x19;
+			gpio->ucDataMaskShift = 0x18;
+		}
+	}
+
+	/* some evergreen boards have bad data for this entry */
+	if (ASIC_IS_DCE4(rdev)) {
+		if ((index == 7) &&
+		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
+		    (gpio->sucI2cId.ucAccess == 0)) {
+			gpio->sucI2cId.ucAccess = 0x97;
+			gpio->ucDataMaskShift = 8;
+			gpio->ucDataEnShift = 8;
+			gpio->ucDataY_Shift = 8;
+			gpio->ucDataA_Shift = 8;
+		}
+	}
+
+	/* some DCE3 boards have bad data for this entry */
+	if (ASIC_IS_DCE3(rdev)) {
+		if ((index == 4) &&
+		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
+		    (gpio->sucI2cId.ucAccess == 0x94))
+			gpio->sucI2cId.ucAccess = 0x14;
+	}
+}
+
+static struct radeon_i2c_bus_rec radeon_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
+{
+	struct radeon_i2c_bus_rec i2c;
+
+	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
+
+	i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
+	i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
+	i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
+	i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
+	i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
+	i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
+	i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
+	i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
+	i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
+	i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
+	i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
+	i2c.en_data_mask = (1 << gpio->ucDataEnShift);
+	i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
+	i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
+	i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
+	i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
+
+	if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
+		i2c.hw_capable = true;
+	else
+		i2c.hw_capable = false;
+
+	if (gpio->sucI2cId.ucAccess == 0xa0)
+		i2c.mm_i2c = true;
+	else
+		i2c.mm_i2c = false;
+
+	i2c.i2c_id = gpio->sucI2cId.ucAccess;
+
+	if (i2c.mask_clk_reg)
+		i2c.valid = true;
+	else
+		i2c.valid = false;
+
+	return i2c;
+}
+
 static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev,
 							       uint8_t id)
 {
@@ -85,71 +166,10 @@ static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rd
 		for (i = 0; i < num_indices; i++) {
 			gpio = &i2c_info->asGPIO_Info[i];
 
-			/* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
-			if ((rdev->family == CHIP_R420) ||
-			    (rdev->family == CHIP_R423) ||
-			    (rdev->family == CHIP_RV410)) {
-				if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
-					gpio->ucClkMaskShift = 0x19;
-					gpio->ucDataMaskShift = 0x18;
-				}
-			}
-
-			/* some evergreen boards have bad data for this entry */
-			if (ASIC_IS_DCE4(rdev)) {
-				if ((i == 7) &&
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
-				    (gpio->sucI2cId.ucAccess == 0)) {
-					gpio->sucI2cId.ucAccess = 0x97;
-					gpio->ucDataMaskShift = 8;
-					gpio->ucDataEnShift = 8;
-					gpio->ucDataY_Shift = 8;
-					gpio->ucDataA_Shift = 8;
-				}
-			}
-
-			/* some DCE3 boards have bad data for this entry */
-			if (ASIC_IS_DCE3(rdev)) {
-				if ((i == 4) &&
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
-				    (gpio->sucI2cId.ucAccess == 0x94))
-					gpio->sucI2cId.ucAccess = 0x14;
-			}
+			radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
 
 			if (gpio->sucI2cId.ucAccess == id) {
-				i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
-				i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
-				i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
-				i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
-				i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
-				i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
-				i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
-				i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
-				i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
-				i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
-				i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
-				i2c.en_data_mask = (1 << gpio->ucDataEnShift);
-				i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
-				i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
-				i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
-				i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
-
-				if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
-					i2c.hw_capable = true;
-				else
-					i2c.hw_capable = false;
-
-				if (gpio->sucI2cId.ucAccess == 0xa0)
-					i2c.mm_i2c = true;
-				else
-					i2c.mm_i2c = false;
-
-				i2c.i2c_id = gpio->sucI2cId.ucAccess;
-
-				if (i2c.mask_clk_reg)
-					i2c.valid = true;
+				i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
 				break;
 			}
 		}
@@ -169,8 +189,6 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev)
 	int i, num_indices;
 	char stmp[32];
 
-	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
-
 	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
 		i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
 
@@ -179,72 +197,12 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev)
 
 		for (i = 0; i < num_indices; i++) {
 			gpio = &i2c_info->asGPIO_Info[i];
-			i2c.valid = false;
-
-			/* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
-			if ((rdev->family == CHIP_R420) ||
-			    (rdev->family == CHIP_R423) ||
-			    (rdev->family == CHIP_RV410)) {
-				if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
-					gpio->ucClkMaskShift = 0x19;
-					gpio->ucDataMaskShift = 0x18;
-				}
-			}
-
-			/* some evergreen boards have bad data for this entry */
-			if (ASIC_IS_DCE4(rdev)) {
-				if ((i == 7) &&
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
-				    (gpio->sucI2cId.ucAccess == 0)) {
-					gpio->sucI2cId.ucAccess = 0x97;
-					gpio->ucDataMaskShift = 8;
-					gpio->ucDataEnShift = 8;
-					gpio->ucDataY_Shift = 8;
-					gpio->ucDataA_Shift = 8;
-				}
-			}
-
-			/* some DCE3 boards have bad data for this entry */
-			if (ASIC_IS_DCE3(rdev)) {
-				if ((i == 4) &&
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
-				    (gpio->sucI2cId.ucAccess == 0x94))
-					gpio->sucI2cId.ucAccess = 0x14;
-			}
 
-			i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
-			i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
-			i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
-			i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
-			i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
-			i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
-			i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
-			i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
-			i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
-			i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
-			i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
-			i2c.en_data_mask = (1 << gpio->ucDataEnShift);
-			i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
-			i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
-			i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
-			i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
-
-			if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
-				i2c.hw_capable = true;
-			else
-				i2c.hw_capable = false;
-
-			if (gpio->sucI2cId.ucAccess == 0xa0)
-				i2c.mm_i2c = true;
-			else
-				i2c.mm_i2c = false;
+			radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
 
-			i2c.i2c_id = gpio->sucI2cId.ucAccess;
+			i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
 
-			if (i2c.mask_clk_reg) {
-				i2c.valid = true;
+			if (i2c.valid) {
 				sprintf(stmp, "0x%x", i2c.i2c_id);
 				rdev->i2c_bus[i] = radeon_i2c_create(rdev->ddev, &i2c, stmp);
 			}
-- 
GitLab


From c916874d60d9daf2e2d5f4f622b185ef57deb6a4 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 15 Nov 2011 14:53:11 -0800
Subject: [PATCH 0848/1594] drivers/gpu/vga/vgaarb.c: add missing kfree

kbuf is a buffer that is local to this function, so all of the error paths
leaving the function should release it.

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/vga/vgaarb.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index bdde899af72e..111d956d8e7d 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -991,14 +991,20 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
 				uc = &priv->cards[i];
 		}
 
-		if (!uc)
-			return -EINVAL;
+		if (!uc) {
+			ret_val = -EINVAL;
+			goto done;
+		}
 
-		if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0)
-			return -EINVAL;
+		if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0) {
+			ret_val = -EINVAL;
+			goto done;
+		}
 
-		if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0)
-			return -EINVAL;
+		if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0) {
+			ret_val = -EINVAL;
+			goto done;
+		}
 
 		vga_put(pdev, io_state);
 
-- 
GitLab


From 717b6d83664646963c71d014c71babaa802333b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20=C5=BBenczykowski?= <maze@google.com>
Date: Tue, 22 Nov 2011 16:03:10 -0500
Subject: [PATCH 0849/1594] net-netlink: fix diag to export IPv4 tos for
 dual-stack IPv6 sockets
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/inet_diag.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 68e8ac514383..ccee270a9b65 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -108,9 +108,6 @@ static int inet_csk_diag_fill(struct sock *sk,
 		       icsk->icsk_ca_ops->name);
 	}
 
-	if ((ext & (1 << (INET_DIAG_TOS - 1))) && (sk->sk_family != AF_INET6))
-		RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos);
-
 	r->idiag_family = sk->sk_family;
 	r->idiag_state = sk->sk_state;
 	r->idiag_timer = 0;
@@ -125,16 +122,23 @@ static int inet_csk_diag_fill(struct sock *sk,
 	r->id.idiag_src[0] = inet->inet_rcv_saddr;
 	r->id.idiag_dst[0] = inet->inet_daddr;
 
+	/* IPv6 dual-stack sockets use inet->tos for IPv4 connections,
+	 * hence this needs to be included regardless of socket family.
+	 */
+	if (ext & (1 << (INET_DIAG_TOS - 1)))
+		RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos);
+
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
 	if (r->idiag_family == AF_INET6) {
 		const struct ipv6_pinfo *np = inet6_sk(sk);
 
+		if (ext & (1 << (INET_DIAG_TCLASS - 1)))
+			RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass);
+
 		ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
 			       &np->rcv_saddr);
 		ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
 			       &np->daddr);
-		if (ext & (1 << (INET_DIAG_TCLASS - 1)))
-			RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass);
 	}
 #endif
 
-- 
GitLab


From 20e994a05b33b186a22a3b9e922df4cce644daac Mon Sep 17 00:00:00 2001
From: Feng King <kinwin2008@gmail.com>
Date: Mon, 21 Nov 2011 01:47:11 +0000
Subject: [PATCH 0850/1594] net: correct comments of skb_shift

when skb_shift, we want to shift paged data from skb to tgt frag area.
Original comments revert the shift order

Signed-off-by: Feng King <kinwin2008@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/skbuff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 18a3cebb753d..3c30ee4a5710 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2230,7 +2230,7 @@ static int skb_prepare_for_shift(struct sk_buff *skb)
  * @shiftlen: shift up to this many bytes
  *
  * Attempts to shift up to shiftlen worth of bytes, which may be less than
- * the length of the skb, from tgt to skb. Returns number bytes shifted.
+ * the length of the skb, from skb to tgt. Returns number bytes shifted.
  * It's up to caller to free skb if everything was shifted.
  *
  * If @tgt runs out of frags, the whole operation is aborted.
-- 
GitLab


From 6cccccafe9e8b88adb1800940ded6ad76c587e1b Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 22 Nov 2011 16:36:35 -0500
Subject: [PATCH 0851/1594] Revert "rt2x00: handle spurious pci interrupts"

This reverts commit 23085d5796561625db4143a671f1de081f66ef08.

The original patch was a misguided attempt to improve performance on
some hardware that is apparently prone to spurious interrupt generation.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2400pci.c | 2 +-
 drivers/net/wireless/rt2x00/rt2500pci.c | 2 +-
 drivers/net/wireless/rt2x00/rt61pci.c   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 676c7657f5f5..3a6b40239bc1 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1380,7 +1380,7 @@ static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
 	rt2x00pci_register_write(rt2x00dev, CSR7, reg);
 
 	if (!reg)
-		return IRQ_HANDLED;
+		return IRQ_NONE;
 
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index d0b627c6c217..dcc0e1fcca77 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1512,7 +1512,7 @@ static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance)
 	rt2x00pci_register_write(rt2x00dev, CSR7, reg);
 
 	if (!reg)
-		return IRQ_HANDLED;
+		return IRQ_NONE;
 
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 9d83e70f3e62..bf55b4a311e3 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2337,7 +2337,7 @@ static irqreturn_t rt61pci_interrupt(int irq, void *dev_instance)
 	rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
 
 	if (!reg && !reg_mcu)
-		return IRQ_HANDLED;
+		return IRQ_NONE;
 
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
-- 
GitLab


From 5eccdf5e06eb67779716ae26142402a1ae9b012c Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Mon, 21 Nov 2011 06:53:46 +0000
Subject: [PATCH 0852/1594] tc: comment spelling fixes

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/pkt_sched.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/pkt_sched.h b/include/linux/pkt_sched.h
index c5336705921f..7281d5acf2f9 100644
--- a/include/linux/pkt_sched.h
+++ b/include/linux/pkt_sched.h
@@ -30,7 +30,7 @@
  */
 
 struct tc_stats {
-	__u64	bytes;			/* NUmber of enqueues bytes */
+	__u64	bytes;			/* Number of enqueued bytes */
 	__u32	packets;		/* Number of enqueued packets	*/
 	__u32	drops;			/* Packets dropped because of lack of resources */
 	__u32	overlimits;		/* Number of throttle events when this
@@ -297,7 +297,7 @@ struct tc_htb_glob {
 	__u32 debug;		/* debug flags */
 
 	/* stats */
-	__u32 direct_pkts; /* count of non shapped packets */
+	__u32 direct_pkts; /* count of non shaped packets */
 };
 enum {
 	TCA_HTB_UNSPEC,
@@ -503,7 +503,7 @@ enum {
 };
 #define NETEM_LOSS_MAX (__NETEM_LOSS_MAX - 1)
 
-/* State transition probablities for 4 state model */
+/* State transition probabilities for 4 state model */
 struct tc_netem_gimodel {
 	__u32	p13;
 	__u32	p31;
-- 
GitLab


From 82e5fc2a34fa9ffea38f00c4066b7e600a0ca5e6 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 22 Nov 2011 16:38:19 -0500
Subject: [PATCH 0853/1594] Revert "rt2800pci: handle spurious interrupts"

This reverts commit 4ba7d9997869d25bd223dea7536fc1ce9fab3b3b.

The original patch was a misguided attempt to improve performance on
some hardware that is apparently prone to spurious interrupt generation.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 4dc2d0f840d4..da48c8ac27bd 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -880,13 +880,8 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
 	rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
 	rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
 
-	/*
-	 * Some devices can generate interrupts with empty CSR register, we
-	 * "handle" such irq's to prevent interrupt controller treat them as
-	 * spurious interrupts and disable irq line.
-	 */
 	if (!reg)
-		return IRQ_HANDLED;
+		return IRQ_NONE;
 
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
-- 
GitLab


From 24ca9a847791fd53d9b217330b15f3c285827a18 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Tue, 22 Nov 2011 14:44:28 +0200
Subject: [PATCH 0854/1594] SUNRPC: Ensure we return EAGAIN in xs_nospace if
 congestion is cleared

By returning '0' instead of 'EAGAIN' when the tests in xs_nospace() fail
to find evidence of socket congestion, we are making the RPC engine believe
that the message was incorrectly sent and so it disconnects the socket
instead of just retrying.

The bug appears to have been introduced by commit
5e3771ce2d6a69e10fcc870cdf226d121d868491 (SUNRPC: Ensure that xs_nospace
return values are propagated).

Reported-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org [>= 2.6.30]
Tested-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
 net/sunrpc/xprtsock.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 2d78d95955ab..55472c48825e 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -496,7 +496,7 @@ static int xs_nospace(struct rpc_task *task)
 	struct rpc_rqst *req = task->tk_rqstp;
 	struct rpc_xprt *xprt = req->rq_xprt;
 	struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
-	int ret = 0;
+	int ret = -EAGAIN;
 
 	dprintk("RPC: %5u xmit incomplete (%u left of %u)\n",
 			task->tk_pid, req->rq_slen - req->rq_bytes_sent,
@@ -508,7 +508,6 @@ static int xs_nospace(struct rpc_task *task)
 	/* Don't race with disconnect */
 	if (xprt_connected(xprt)) {
 		if (test_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags)) {
-			ret = -EAGAIN;
 			/*
 			 * Notify TCP that we're limited by the application
 			 * window size
-- 
GitLab


From d66b8537b30fbaf79e0f467fa6b7e1a2191cba83 Mon Sep 17 00:00:00 2001
From: Daniel Mack <zonque@gmail.com>
Date: Tue, 22 Nov 2011 17:17:23 +0100
Subject: [PATCH 0855/1594] ASoC: cs4720: use snd_soc_cache_sync()

Replace the manual register restore mechanism in cs4270.c and call the
generic snd_soc_cache_sync() handler instead.

This factors code out in favour of core facilities and also fixes a
bus confusion that is most probably caused by intermixing i2c-regmap
functions and i2c_smbus_* accessors.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-and-tested-by: Sven Neumann <s.neumann@raumfeld.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/cs4270.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index f1f237ecec2a..73f46eb459f1 100644
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -601,7 +601,6 @@ static int cs4270_soc_suspend(struct snd_soc_codec *codec, pm_message_t mesg)
 static int cs4270_soc_resume(struct snd_soc_codec *codec)
 {
 	struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec);
-	struct i2c_client *i2c_client = to_i2c_client(codec->dev);
 	int reg;
 
 	regulator_bulk_enable(ARRAY_SIZE(cs4270->supplies),
@@ -612,14 +611,7 @@ static int cs4270_soc_resume(struct snd_soc_codec *codec)
 	ndelay(500);
 
 	/* first restore the entire register cache ... */
-	for (reg = CS4270_FIRSTREG; reg <= CS4270_LASTREG; reg++) {
-		u8 val = snd_soc_read(codec, reg);
-
-		if (i2c_smbus_write_byte_data(i2c_client, reg, val)) {
-			dev_err(codec->dev, "i2c write failed\n");
-			return -EIO;
-		}
-	}
+	snd_soc_cache_sync(codec);
 
 	/* ... then disable the power-down bits */
 	reg = snd_soc_read(codec, CS4270_PWRCTL);
-- 
GitLab


From 380c88303812951f6c838241366a66a03fb5c897 Mon Sep 17 00:00:00 2001
From: Timur Tabi <timur@freescale.com>
Date: Tue, 22 Nov 2011 14:38:59 -0600
Subject: [PATCH 0856/1594] ASoC: mpc8610: tell the CS4270 codec that it's the
 master

Commit ac601555 ("ASoC: Return early with -EINVAL if invalid dai format is
detected") requires the machine driver to tell the CS4270 codec driver
whether the CS4270 should be configured for master or slave operation.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/fsl/mpc8610_hpcd.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c
index 31af405bda84..ae49f1c78c6d 100644
--- a/sound/soc/fsl/mpc8610_hpcd.c
+++ b/sound/soc/fsl/mpc8610_hpcd.c
@@ -392,7 +392,8 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
 	}
 
 	if (strcasecmp(sprop, "i2s-slave") == 0) {
-		machine_data->dai_format = SND_SOC_DAIFMT_I2S;
+		machine_data->dai_format =
+			SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM;
 		machine_data->codec_clk_direction = SND_SOC_CLOCK_OUT;
 		machine_data->cpu_clk_direction = SND_SOC_CLOCK_IN;
 
@@ -409,31 +410,38 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
 		}
 		machine_data->clk_frequency = be32_to_cpup(iprop);
 	} else if (strcasecmp(sprop, "i2s-master") == 0) {
-		machine_data->dai_format = SND_SOC_DAIFMT_I2S;
+		machine_data->dai_format =
+			SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS;
 		machine_data->codec_clk_direction = SND_SOC_CLOCK_IN;
 		machine_data->cpu_clk_direction = SND_SOC_CLOCK_OUT;
 	} else if (strcasecmp(sprop, "lj-slave") == 0) {
-		machine_data->dai_format = SND_SOC_DAIFMT_LEFT_J;
+		machine_data->dai_format =
+			SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBM_CFM;
 		machine_data->codec_clk_direction = SND_SOC_CLOCK_OUT;
 		machine_data->cpu_clk_direction = SND_SOC_CLOCK_IN;
 	} else if (strcasecmp(sprop, "lj-master") == 0) {
-		machine_data->dai_format = SND_SOC_DAIFMT_LEFT_J;
+		machine_data->dai_format =
+			SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBS_CFS;
 		machine_data->codec_clk_direction = SND_SOC_CLOCK_IN;
 		machine_data->cpu_clk_direction = SND_SOC_CLOCK_OUT;
 	} else if (strcasecmp(sprop, "rj-slave") == 0) {
-		machine_data->dai_format = SND_SOC_DAIFMT_RIGHT_J;
+		machine_data->dai_format =
+			SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_CBM_CFM;
 		machine_data->codec_clk_direction = SND_SOC_CLOCK_OUT;
 		machine_data->cpu_clk_direction = SND_SOC_CLOCK_IN;
 	} else if (strcasecmp(sprop, "rj-master") == 0) {
-		machine_data->dai_format = SND_SOC_DAIFMT_RIGHT_J;
+		machine_data->dai_format =
+			SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_CBS_CFS;
 		machine_data->codec_clk_direction = SND_SOC_CLOCK_IN;
 		machine_data->cpu_clk_direction = SND_SOC_CLOCK_OUT;
 	} else if (strcasecmp(sprop, "ac97-slave") == 0) {
-		machine_data->dai_format = SND_SOC_DAIFMT_AC97;
+		machine_data->dai_format =
+			SND_SOC_DAIFMT_AC97 | SND_SOC_DAIFMT_CBM_CFM;
 		machine_data->codec_clk_direction = SND_SOC_CLOCK_OUT;
 		machine_data->cpu_clk_direction = SND_SOC_CLOCK_IN;
 	} else if (strcasecmp(sprop, "ac97-master") == 0) {
-		machine_data->dai_format = SND_SOC_DAIFMT_AC97;
+		machine_data->dai_format =
+			SND_SOC_DAIFMT_AC97 | SND_SOC_DAIFMT_CBS_CFS;
 		machine_data->codec_clk_direction = SND_SOC_CLOCK_IN;
 		machine_data->cpu_clk_direction = SND_SOC_CLOCK_OUT;
 	} else {
-- 
GitLab


From b4bbb02934e4511d9083f15c23e90703482e84ad Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 22 Nov 2011 15:09:20 -0800
Subject: [PATCH 0857/1594] Revert "of/irq: of_irq_find_parent: check for
 parent equal to child"

This reverts commit dc9372808412edbc653a675a526c2ee6c0c14a91.

As requested by Ben Herrenschmidt:
  "This breaks some powerpc platforms at least.  The practice of having
   a node provide an explicit "interrupt-parent" property pointing to
   itself is an old trick that we've used in the past to allow a
   device-node to have interrupts routed to different controllers.

   In that case, the node also contains an interrupt-map, so the node is
   its own parent, the interrupt resolution hits the map, which then can
   route each individual interrupt to a different parent."

Grant says:
  "Ah, nuts, yes that is broken then.  Yes, please revert the commit and
   Rob & I will come up with a better solution.

   Rob, I think it can be done by explicitly checking for np ==
   desc->interrupt_parent in of_irq_init() instead of relying on
   of_irq_find_parent() returning NULL."

Requested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Cc: Tanmay Inamdar <tinamdar@apm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/of/irq.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 6d3dd3988d0f..791270b8bd1c 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -60,27 +60,27 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
  */
 struct device_node *of_irq_find_parent(struct device_node *child)
 {
-	struct device_node *p, *c = child;
+	struct device_node *p;
 	const __be32 *parp;
 
-	if (!of_node_get(c))
+	if (!of_node_get(child))
 		return NULL;
 
 	do {
-		parp = of_get_property(c, "interrupt-parent", NULL);
+		parp = of_get_property(child, "interrupt-parent", NULL);
 		if (parp == NULL)
-			p = of_get_parent(c);
+			p = of_get_parent(child);
 		else {
 			if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
 				p = of_node_get(of_irq_dflt_pic);
 			else
 				p = of_find_node_by_phandle(be32_to_cpup(parp));
 		}
-		of_node_put(c);
-		c = p;
+		of_node_put(child);
+		child = p;
 	} while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL);
 
-	return (p == child) ? NULL : p;
+	return p;
 }
 
 /**
-- 
GitLab


From 7c8f4247986bb5c5fb1d5b1fad35461989fe8310 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Wed, 23 Nov 2011 10:18:52 +1100
Subject: [PATCH 0858/1594] md/lock: ensure updates to page_attrs are properly
 locked.

Page attributes are set using __set_bit rather than set_bit as
it normally called under a spinlock so the extra atomicity is not
needed.

However there are two places where we might set or clear page
attributes without holding the spinlock.
So add the spinlock in those cases.

This might be the cause of occasional reports that bits a aren't
getting clear properly - theory is that BITMAP_PAGE_PENDING gets lost
when BITMAP_PAGE_NEEDWRITE is set or cleared.  This is an
inconvenience, not a threat to data safety.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/bitmap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7878712721bf..b6907118283a 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1106,10 +1106,12 @@ void bitmap_write_all(struct bitmap *bitmap)
 	 */
 	int i;
 
+	spin_lock_irq(&bitmap->lock);
 	for (i = 0; i < bitmap->file_pages; i++)
 		set_page_attr(bitmap, bitmap->filemap[i],
 			      BITMAP_PAGE_NEEDWRITE);
 	bitmap->allclean = 0;
+	spin_unlock_irq(&bitmap->lock);
 }
 
 static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc)
@@ -1605,7 +1607,9 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
 	for (chunk = s; chunk <= e; chunk++) {
 		sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap);
 		bitmap_set_memory_bits(bitmap, sec, 1);
+		spin_lock_irq(&bitmap->lock);
 		bitmap_file_set_bit(bitmap, sec);
+		spin_unlock_irq(&bitmap->lock);
 		if (sec < bitmap->mddev->recovery_cp)
 			/* We are asserting that the array is dirty,
 			 * so move the recovery_cp address back so
-- 
GitLab


From c0afabd3d553c521e003779c127143ffde55a16f Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin.vincent@stericsson.com>
Date: Tue, 22 Nov 2011 11:03:14 +0100
Subject: [PATCH 0859/1594] rtc: Disable the alarm in the hardware

Currently, the RTC code does not disable the alarm in the hardware.

This means that after a sequence such as the one below (the files are in the
RTC sysfs), the box will boot up after 2 minutes even though we've
asked for the alarm to be turned off.

	# echo $((`cat since_epoch`)+120) > wakealarm
	# echo 0 > wakealarm
	# poweroff

Fix this by disabling the alarm when there are no timers to run.

Cc: stable@kernel.org
Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 drivers/rtc/interface.c | 44 +++++++++++++++++++++++++++++++----------
 1 file changed, 34 insertions(+), 10 deletions(-)

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 3195dbd3ec34..e3cf2f54221f 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -318,6 +318,20 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 }
 EXPORT_SYMBOL_GPL(rtc_read_alarm);
 
+static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+	int err;
+
+	if (!rtc->ops)
+		err = -ENODEV;
+	else if (!rtc->ops->set_alarm)
+		err = -EINVAL;
+	else
+		err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
+
+	return err;
+}
+
 static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 {
 	struct rtc_time tm;
@@ -341,14 +355,7 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 	 * over right here, before we set the alarm.
 	 */
 
-	if (!rtc->ops)
-		err = -ENODEV;
-	else if (!rtc->ops->set_alarm)
-		err = -EINVAL;
-	else
-		err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
-
-	return err;
+	return ___rtc_set_alarm(rtc, alarm);
 }
 
 int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
@@ -762,6 +769,20 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
 	return 0;
 }
 
+static void rtc_alarm_disable(struct rtc_device *rtc)
+{
+	struct rtc_wkalrm alarm;
+	struct rtc_time tm;
+
+	__rtc_read_time(rtc, &tm);
+
+	alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm),
+				     ktime_set(300, 0)));
+	alarm.enabled = 0;
+
+	___rtc_set_alarm(rtc, &alarm);
+}
+
 /**
  * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
  * @rtc rtc device
@@ -783,8 +804,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
 		struct rtc_wkalrm alarm;
 		int err;
 		next = timerqueue_getnext(&rtc->timerqueue);
-		if (!next)
+		if (!next) {
+			rtc_alarm_disable(rtc);
 			return;
+		}
 		alarm.time = rtc_ktime_to_tm(next->expires);
 		alarm.enabled = 1;
 		err = __rtc_set_alarm(rtc, &alarm);
@@ -846,7 +869,8 @@ again:
 		err = __rtc_set_alarm(rtc, &alarm);
 		if (err == -ETIME)
 			goto again;
-	}
+	} else
+		rtc_alarm_disable(rtc);
 
 	mutex_unlock(&rtc->ops_lock);
 }
-- 
GitLab


From 6a8943d9ec2567572fca25cf69ad45844d0141a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com>
Date: Tue, 22 Nov 2011 18:24:51 -0800
Subject: [PATCH 0860/1594] rtc: Fix some bugs that allowed accumulating time
 drift in suspend/resume
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The current code checks if abs(delta_delta.tv_sec) is greater or
equal to two before it discards the old delta value, but this can
trigger at close to -1 seconds since -1.000000001 seconds is stored
as tv_sec -2 and tv_nsec 999999999 in a normalized timespec.

rtc_resume had an early return check if the rtc value had not changed
since rtc_suspend. This effectivly stops time for the duration of the
short sleep. Check if sleep_time is positive after all the adjustments
have been applied instead since this allows the old_system adjustment
in rtc_suspend to have an effect even for short sleep cycles.

CC: stable@kernel.org
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 drivers/rtc/class.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 01a7df5317c1..b82a1554cdc1 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -66,7 +66,7 @@ static int rtc_suspend(struct device *dev, pm_message_t mesg)
 	 */
 	delta = timespec_sub(old_system, old_rtc);
 	delta_delta = timespec_sub(delta, old_delta);
-	if (abs(delta_delta.tv_sec)  >= 2) {
+	if (delta_delta.tv_sec < -2 || delta_delta.tv_sec >= 2) {
 		/*
 		 * if delta_delta is too large, assume time correction
 		 * has occured and set old_delta to the current delta.
@@ -100,9 +100,8 @@ static int rtc_resume(struct device *dev)
 	rtc_tm_to_time(&tm, &new_rtc.tv_sec);
 	new_rtc.tv_nsec = 0;
 
-	if (new_rtc.tv_sec <= old_rtc.tv_sec) {
-		if (new_rtc.tv_sec < old_rtc.tv_sec)
-			pr_debug("%s:  time travel!\n", dev_name(&rtc->dev));
+	if (new_rtc.tv_sec < old_rtc.tv_sec) {
+		pr_debug("%s:  time travel!\n", dev_name(&rtc->dev));
 		return 0;
 	}
 
@@ -119,7 +118,8 @@ static int rtc_resume(struct device *dev)
 	sleep_time = timespec_sub(sleep_time,
 			timespec_sub(new_system, old_system));
 
-	timekeeping_inject_sleeptime(&sleep_time);
+	if (sleep_time.tv_sec >= 0)
+		timekeeping_inject_sleeptime(&sleep_time);
 	return 0;
 }
 
-- 
GitLab


From e2301a4de22c438f5a962c7cefc3e9cba736991c Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 22 Nov 2011 19:58:56 +0100
Subject: [PATCH 0861/1594] ALSA: hda - Check subdevice mask in
 snd_hda_check_board_codec_sid_config()

In snd_hda_check_board_codec_sid_config(), not only comparing with the
exact value but allow the bit-mask comparison for vendor-only, etc.

Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Dirk Hohndel <hohndel@infradead.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_codec.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index e44b107fdc75..4562e9de6a1a 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -4046,9 +4046,9 @@ int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
 
 	/* Search for codec ID */
 	for (q = tbl; q->subvendor; q++) {
-		unsigned long vendorid = (q->subdevice) | (q->subvendor << 16);
-
-		if (vendorid == codec->subsystem_id)
+		unsigned int mask = 0xffff0000 | q->subdevice_mask;
+		unsigned int id = (q->subdevice | (q->subvendor << 16)) & mask;
+		if ((codec->subsystem_id & mask) == id)
 			break;
 	}
 
-- 
GitLab


From 6dfeb703e386369d9f1585d29482efe7b2b4401d Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 22 Nov 2011 20:00:31 +0100
Subject: [PATCH 0862/1594] ALSA: hda - Fix invalid pin and GPIO for Apple
 laptops with CS codecs

The PCI SSID 8086:7270 is commonly used for multiple Apple machines,
thus we can't use it as identifier for a unique model.  Because of this
conflict, some machines show weird behavior.  For example, MacBook Air
shows Front and Surround speakers although only Surround works due to
the wrongly overridden pin-configuration for imac27.

This patch fixes two things:
- Stop the wrong pin-config override of imac27 by removing PCI SSID
  entry for avoiding the wrong mappings,
- Add the generic GPIO setup for Apple machines by checking the codec
  SSID vendor bits

Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Dirk Hohndel <hohndel@infradead.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_cirrus.c | 32 +++++++++++++++++++++++---------
 1 file changed, 23 insertions(+), 9 deletions(-)

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 2fbab8e29576..7bd2a52f2bac 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -58,6 +58,8 @@ struct cs_spec {
 	unsigned int gpio_mask;
 	unsigned int gpio_dir;
 	unsigned int gpio_data;
+	unsigned int gpio_eapd_hp; /* EAPD GPIO bit for headphones */
+	unsigned int gpio_eapd_speaker; /* EAPD GPIO bit for speakers */
 
 	struct hda_pcm pcm_rec[2];	/* PCM information */
 
@@ -76,6 +78,7 @@ enum {
 	CS420X_MBP53,
 	CS420X_MBP55,
 	CS420X_IMAC27,
+	CS420X_APPLE,
 	CS420X_AUTO,
 	CS420X_MODELS
 };
@@ -928,10 +931,9 @@ static void cs_automute(struct hda_codec *codec)
 					spdif_present ? 0 : PIN_OUT);
 		}
 	}
-	if (spec->board_config == CS420X_MBP53 ||
-	    spec->board_config == CS420X_MBP55 ||
-	    spec->board_config == CS420X_IMAC27) {
-		unsigned int gpio = hp_present ? 0x02 : 0x08;
+	if (spec->gpio_eapd_hp) {
+		unsigned int gpio = hp_present ?
+			spec->gpio_eapd_hp : spec->gpio_eapd_speaker;
 		snd_hda_codec_write(codec, 0x01, 0,
 				    AC_VERB_SET_GPIO_DATA, gpio);
 	}
@@ -1276,6 +1278,7 @@ static const char * const cs420x_models[CS420X_MODELS] = {
 	[CS420X_MBP53] = "mbp53",
 	[CS420X_MBP55] = "mbp55",
 	[CS420X_IMAC27] = "imac27",
+	[CS420X_IMAC27] = "apple",
 	[CS420X_AUTO] = "auto",
 };
 
@@ -1285,7 +1288,13 @@ static const struct snd_pci_quirk cs420x_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x10de, 0x0d94, "MacBookAir 3,1(2)", CS420X_MBP55),
 	SND_PCI_QUIRK(0x10de, 0xcb79, "MacBookPro 5,5", CS420X_MBP55),
 	SND_PCI_QUIRK(0x10de, 0xcb89, "MacBookPro 7,1", CS420X_MBP55),
-	SND_PCI_QUIRK(0x8086, 0x7270, "IMac 27 Inch", CS420X_IMAC27),
+	/* this conflicts with too many other models */
+	/*SND_PCI_QUIRK(0x8086, 0x7270, "IMac 27 Inch", CS420X_IMAC27),*/
+	{} /* terminator */
+};
+
+static const struct snd_pci_quirk cs420x_codec_cfg_tbl[] = {
+	SND_PCI_QUIRK_VENDOR(0x106b, "Apple", CS420X_APPLE),
 	{} /* terminator */
 };
 
@@ -1367,6 +1376,10 @@ static int patch_cs420x(struct hda_codec *codec)
 	spec->board_config =
 		snd_hda_check_board_config(codec, CS420X_MODELS,
 					   cs420x_models, cs420x_cfg_tbl);
+	if (spec->board_config < 0)
+		spec->board_config =
+			snd_hda_check_board_codec_sid_config(codec,
+				CS420X_MODELS, NULL, cs420x_codec_cfg_tbl);
 	if (spec->board_config >= 0)
 		fix_pincfg(codec, spec->board_config, cs_pincfgs);
 
@@ -1374,10 +1387,11 @@ static int patch_cs420x(struct hda_codec *codec)
 	case CS420X_IMAC27:
 	case CS420X_MBP53:
 	case CS420X_MBP55:
-		/* GPIO1 = headphones */
-		/* GPIO3 = speakers */
-		spec->gpio_mask = 0x0a;
-		spec->gpio_dir = 0x0a;
+	case CS420X_APPLE:
+		spec->gpio_eapd_hp = 2; /* GPIO1 = headphones */
+		spec->gpio_eapd_speaker = 8; /* GPIO3 = speakers */
+		spec->gpio_mask = spec->gpio_dir =
+			spec->gpio_eapd_hp | spec->gpio_eapd_speaker;
 		break;
 	}
 
-- 
GitLab


From 6759dc323826c2c806c998cd93945c5476688dd2 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 23 Nov 2011 07:38:59 +0100
Subject: [PATCH 0863/1594] ALSA: hda/realtek - Fix missing inits of item
 indices for auto-mic

When the imux entries are rebuilt in alc_rebuild_imux_for_auto_mic(),
the initialization of index field is missing.  It may work without it
casually when the original imux was created by the auto-parser, but
it's definitely broken in the case of static configs where no imux was
parsed beforehand.  Because of this, the auto-mic switching doesn't
work properly on some model options.

This patch adds the missing initialization of index field.

Reported-by: Dmitry Nezhevenko <dion@inhex.net>
Cc: <stable@kernel.org> [v3.1]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 336d14eb72af..06c0c12d4fec 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1054,8 +1054,20 @@ static bool alc_rebuild_imux_for_auto_mic(struct hda_codec *codec)
 	spec->imux_pins[2] = spec->dock_mic_pin;
 	for (i = 0; i < 3; i++) {
 		strcpy(imux->items[i].label, texts[i]);
-		if (spec->imux_pins[i])
+		if (spec->imux_pins[i]) {
+			hda_nid_t pin = spec->imux_pins[i];
+			int c;
+			for (c = 0; c < spec->num_adc_nids; c++) {
+				hda_nid_t cap = spec->capsrc_nids ?
+				spec->capsrc_nids[c] : spec->adc_nids[c];
+				int idx = get_connection_index(codec, cap, pin);
+				if (idx >= 0) {
+					imux->items[i].index = idx;
+					break;
+				}
+			}
 			imux->num_items = i + 1;
+		}
 	}
 	spec->num_mux_defs = 1;
 	spec->input_mux = imux;
-- 
GitLab


From 61071594f64ed12328046f94716d1d744bddc0a1 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 23 Nov 2011 07:52:15 +0100
Subject: [PATCH 0864/1594] ALSA: hda/realtek - Minor cleanup

Use an inline function for the common pattern for assigning a capsrc.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 06c0c12d4fec..cbde019d3d52 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -277,6 +277,12 @@ static bool alc_dyn_adc_pcm_resetup(struct hda_codec *codec, int cur)
 	return false;
 }
 
+static inline hda_nid_t get_capsrc(struct alc_spec *spec, int idx)
+{
+	return spec->capsrc_nids ?
+		spec->capsrc_nids[idx] : spec->adc_nids[idx];
+}
+
 /* select the given imux item; either unmute exclusively or select the route */
 static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
 			  unsigned int idx, bool force)
@@ -303,8 +309,7 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
 		adc_idx = spec->dyn_adc_idx[idx];
 	}
 
-	nid = spec->capsrc_nids ?
-		spec->capsrc_nids[adc_idx] : spec->adc_nids[adc_idx];
+	nid = get_capsrc(spec, adc_idx);
 
 	/* no selection? */
 	num_conns = snd_hda_get_conn_list(codec, nid, NULL);
@@ -1058,8 +1063,7 @@ static bool alc_rebuild_imux_for_auto_mic(struct hda_codec *codec)
 			hda_nid_t pin = spec->imux_pins[i];
 			int c;
 			for (c = 0; c < spec->num_adc_nids; c++) {
-				hda_nid_t cap = spec->capsrc_nids ?
-				spec->capsrc_nids[c] : spec->adc_nids[c];
+				hda_nid_t cap = get_capsrc(spec, c);
 				int idx = get_connection_index(codec, cap, pin);
 				if (idx >= 0) {
 					imux->items[i].index = idx;
@@ -1969,10 +1973,8 @@ static int alc_build_controls(struct hda_codec *codec)
 		if (!kctl)
 			kctl = snd_hda_find_mixer_ctl(codec, "Input Source");
 		for (i = 0; kctl && i < kctl->count; i++) {
-			const hda_nid_t *nids = spec->capsrc_nids;
-			if (!nids)
-				nids = spec->adc_nids;
-			err = snd_hda_add_nid(codec, kctl, i, nids[i]);
+			err = snd_hda_add_nid(codec, kctl, i,
+					      get_capsrc(spec, i));
 			if (err < 0)
 				return err;
 		}
@@ -2759,8 +2761,7 @@ static int alc_auto_create_input_ctls(struct hda_codec *codec)
 		}
 
 		for (c = 0; c < num_adcs; c++) {
-			hda_nid_t cap = spec->capsrc_nids ?
-				spec->capsrc_nids[c] : spec->adc_nids[c];
+			hda_nid_t cap = get_capsrc(spec, c);
 			idx = get_connection_index(codec, cap, pin);
 			if (idx >= 0) {
 				spec->imux_pins[imux->num_items] = pin;
@@ -3706,8 +3707,7 @@ static int init_capsrc_for_pin(struct hda_codec *codec, hda_nid_t pin)
 	if (!pin)
 		return 0;
 	for (i = 0; i < spec->num_adc_nids; i++) {
-		hda_nid_t cap = spec->capsrc_nids ?
-			spec->capsrc_nids[i] : spec->adc_nids[i];
+		hda_nid_t cap = get_capsrc(spec, i);
 		int idx;
 
 		idx = get_connection_index(codec, cap, pin);
-- 
GitLab


From 4d65a2465f6f2694de67777a8aedb1272f473979 Mon Sep 17 00:00:00 2001
From: Li Wei <lw@cn.fujitsu.com>
Date: Wed, 23 Nov 2011 03:51:54 -0500
Subject: [PATCH 0865/1594] ipv6: fix a bug in ndisc_send_redirect

Release skb when transmit rate limit _not_ allow

Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ndisc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 44e5b7f2a6c1..0cb78d7ddaf5 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1571,7 +1571,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
 	}
 	if (!rt->rt6i_peer)
 		rt6_bind_peer(rt, 1);
-	if (inet_peer_xrlim_allow(rt->rt6i_peer, 1*HZ))
+	if (!inet_peer_xrlim_allow(rt->rt6i_peer, 1*HZ))
 		goto release;
 
 	if (dev->addr_len) {
-- 
GitLab


From a5cd335165e31db9dbab636fd29895d41da55dd2 Mon Sep 17 00:00:00 2001
From: Xi Wang <xi.wang@gmail.com>
Date: Wed, 23 Nov 2011 01:12:01 -0500
Subject: [PATCH 0866/1594] drm: integer overflow in drm_mode_dirtyfb_ioctl()

There is a potential integer overflow in drm_mode_dirtyfb_ioctl()
if userspace passes in a large num_clips.  The call to kmalloc would
allocate a small buffer, and the call to fb->funcs->dirty may result
in a memory corruption.

Reported-by: Haogang Chen <haogangchen@gmail.com>
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_crtc.c | 4 ++++
 include/drm/drm_mode.h     | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 405c63b9d539..8323fc389840 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1873,6 +1873,10 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
 	}
 
 	if (num_clips && clips_ptr) {
+		if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) {
+			ret = -EINVAL;
+			goto out_err1;
+		}
 		clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
 		if (!clips) {
 			ret = -ENOMEM;
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index d30bedfeb7ef..ddd46db65b57 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -235,6 +235,8 @@ struct drm_mode_fb_cmd {
 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
 
+#define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
+
 /*
  * Mark a region of a framebuffer as dirty.
  *
-- 
GitLab


From 5151412dd4338b273afdb107c3772528e9e67d92 Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Wed, 23 Nov 2011 10:59:13 +0100
Subject: [PATCH 0867/1594] block: initialize request_queue's numa node during

struct request_queue is allocated with __GFP_ZERO so its "node" field is
zero before initialization.  This causes an oops if node 0 is offline in
the page allocator because its zonelists are not initialized.  From Dave
Young's dmesg:

	SRAT: Node 1 PXM 2 0-d0000000
	SRAT: Node 1 PXM 2 100000000-330000000
	SRAT: Node 0 PXM 1 330000000-630000000
	Initmem setup node 1 0000000000000000-000000000affb000
	...
	Built 1 zonelists in Node order, mobility grouping on.
	...
	BUG: unable to handle kernel paging request at 0000000000001c08
	IP: [<ffffffff8111c355>] __alloc_pages_nodemask+0xb5/0x870

and __alloc_pages_nodemask+0xb5 translates to a NULL pointer on
zonelist->_zonerefs.

The fix is to initialize q->node at the time of allocation so the correct
node is passed to the slab allocator later.

Since blk_init_allocated_queue_node() is no longer needed, merge it with
blk_init_allocated_queue().

[rientjes@google.com: changelog, initializing q->node]
Cc: stable@vger.kernel.org [2.6.37+]
Reported-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Tested-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/blk-core.c       | 14 +++-----------
 include/linux/blkdev.h |  3 ---
 2 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index ea70e6c80cd3..20d69f6beb6b 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -467,6 +467,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 	q->backing_dev_info.state = 0;
 	q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
 	q->backing_dev_info.name = "block";
+	q->node = node_id;
 
 	err = bdi_init(&q->backing_dev_info);
 	if (err) {
@@ -551,7 +552,7 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 	if (!uninit_q)
 		return NULL;
 
-	q = blk_init_allocated_queue_node(uninit_q, rfn, lock, node_id);
+	q = blk_init_allocated_queue(uninit_q, rfn, lock);
 	if (!q)
 		blk_cleanup_queue(uninit_q);
 
@@ -562,19 +563,10 @@ EXPORT_SYMBOL(blk_init_queue_node);
 struct request_queue *
 blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn,
 			 spinlock_t *lock)
-{
-	return blk_init_allocated_queue_node(q, rfn, lock, -1);
-}
-EXPORT_SYMBOL(blk_init_allocated_queue);
-
-struct request_queue *
-blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
-			      spinlock_t *lock, int node_id)
 {
 	if (!q)
 		return NULL;
 
-	q->node = node_id;
 	if (blk_init_free_list(q))
 		return NULL;
 
@@ -604,7 +596,7 @@ blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
 
 	return NULL;
 }
-EXPORT_SYMBOL(blk_init_allocated_queue_node);
+EXPORT_SYMBOL(blk_init_allocated_queue);
 
 int blk_get_queue(struct request_queue *q)
 {
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c7a6d3b5bc7b..94acd8172b5b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -805,9 +805,6 @@ extern void blk_unprep_request(struct request *);
  */
 extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
 					spinlock_t *lock, int node_id);
-extern struct request_queue *blk_init_allocated_queue_node(struct request_queue *,
-							   request_fn_proc *,
-							   spinlock_t *, int node_id);
 extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
 extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
 						      request_fn_proc *, spinlock_t *);
-- 
GitLab


From 4ca8af579c9748376db537575f7a811c179fe50a Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Wed, 23 Nov 2011 10:39:10 +0100
Subject: [PATCH 0868/1594] ASoC: drop support for PlayPaq with WM8510

SoC Audio support for PlayPaq with WM8510 got added in commit 9aaca9683b
("[ALSA] Revised AT32 ASoC Patch"). That support depends on
BOARD_PLAYPAQ. That Kconfig symbol didn't exist when that support got
added in v2.6.27. It still doesn't. It has never been possible to even
build this driver. Drop it.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/atmel/Kconfig          |  21 +-
 sound/soc/atmel/Makefile         |   4 -
 sound/soc/atmel/playpaq_wm8510.c | 473 -------------------------------
 3 files changed, 1 insertion(+), 497 deletions(-)
 delete mode 100644 sound/soc/atmel/playpaq_wm8510.c

diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig
index bee3c94f58b0..d1fcc816ce97 100644
--- a/sound/soc/atmel/Kconfig
+++ b/sound/soc/atmel/Kconfig
@@ -1,6 +1,6 @@
 config SND_ATMEL_SOC
 	tristate "SoC Audio for the Atmel System-on-Chip"
-	depends on ARCH_AT91 || AVR32
+	depends on ARCH_AT91
 	help
 	  Say Y or M if you want to add support for codecs attached to
 	  the ATMEL SSC interface. You will also need
@@ -24,25 +24,6 @@ config SND_AT91_SOC_SAM9G20_WM8731
 	  Say Y if you want to add support for SoC audio on WM8731-based
 	  AT91sam9g20 evaluation board.
 
-config SND_AT32_SOC_PLAYPAQ
-        tristate "SoC Audio support for PlayPaq with WM8510"
-        depends on SND_ATMEL_SOC && BOARD_PLAYPAQ && AT91_PROGRAMMABLE_CLOCKS
-        select SND_ATMEL_SOC_SSC
-        select SND_SOC_WM8510
-        help
-          Say Y or M here if you want to add support for SoC audio
-          on the LRS PlayPaq.
-
-config SND_AT32_SOC_PLAYPAQ_SLAVE
-        bool "Run CODEC on PlayPaq in slave mode"
-        depends on SND_AT32_SOC_PLAYPAQ
-        default n
-        help
-          Say Y if you want to run with the AT32 SSC generating the BCLK
-          and FRAME signals on the PlayPaq.  Unless you want to play
-          with the AT32 as the SSC master, you probably want to say N here,
-          as this will give you better sound quality.
-
 config SND_AT91_SOC_AFEB9260
 	tristate "SoC Audio support for AFEB9260 board"
 	depends on ARCH_AT91 && MACH_AFEB9260 && SND_ATMEL_SOC
diff --git a/sound/soc/atmel/Makefile b/sound/soc/atmel/Makefile
index e7ea56bd5f82..a5c0bf19da78 100644
--- a/sound/soc/atmel/Makefile
+++ b/sound/soc/atmel/Makefile
@@ -8,9 +8,5 @@ obj-$(CONFIG_SND_ATMEL_SOC_SSC) += snd-soc-atmel_ssc_dai.o
 # AT91 Machine Support
 snd-soc-sam9g20-wm8731-objs := sam9g20_wm8731.o
 
-# AT32 Machine Support
-snd-soc-playpaq-objs := playpaq_wm8510.o
-
 obj-$(CONFIG_SND_AT91_SOC_SAM9G20_WM8731) += snd-soc-sam9g20-wm8731.o
-obj-$(CONFIG_SND_AT32_SOC_PLAYPAQ) += snd-soc-playpaq.o
 obj-$(CONFIG_SND_AT91_SOC_AFEB9260) += snd-soc-afeb9260.o
diff --git a/sound/soc/atmel/playpaq_wm8510.c b/sound/soc/atmel/playpaq_wm8510.c
deleted file mode 100644
index 73ae99ad4578..000000000000
--- a/sound/soc/atmel/playpaq_wm8510.c
+++ /dev/null
@@ -1,473 +0,0 @@
-/* sound/soc/at32/playpaq_wm8510.c
- * ASoC machine driver for PlayPaq using WM8510 codec
- *
- * Copyright (C) 2008 Long Range Systems
- *    Geoffrey Wossum <gwossum@acm.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This code is largely inspired by sound/soc/at91/eti_b1_wm8731.c
- *
- * NOTE: If you don't have the AT32 enhanced portmux configured (which
- * isn't currently in the mainline or Atmel patched kernel), you will
- * need to set the MCLK pin (PA30) to peripheral A in your board initialization
- * code.  Something like:
- *	at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
- *
- */
-
-/* #define DEBUG */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/clk.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-
-#include <mach/at32ap700x.h>
-#include <mach/portmux.h>
-
-#include "../codecs/wm8510.h"
-#include "atmel-pcm.h"
-#include "atmel_ssc_dai.h"
-
-
-/*-------------------------------------------------------------------------*\
- * constants
-\*-------------------------------------------------------------------------*/
-#define MCLK_PIN		GPIO_PIN_PA(30)
-#define MCLK_PERIPH		GPIO_PERIPH_A
-
-
-/*-------------------------------------------------------------------------*\
- * data types
-\*-------------------------------------------------------------------------*/
-/* SSC clocking data */
-struct ssc_clock_data {
-	/* CMR div */
-	unsigned int cmr_div;
-
-	/* Frame period (as needed by xCMR.PERIOD) */
-	unsigned int period;
-
-	/* The SSC clock rate these settings where calculated for */
-	unsigned long ssc_rate;
-};
-
-
-/*-------------------------------------------------------------------------*\
- * module data
-\*-------------------------------------------------------------------------*/
-static struct clk *_gclk0;
-static struct clk *_pll0;
-
-#define CODEC_CLK (_gclk0)
-
-
-/*-------------------------------------------------------------------------*\
- * Sound SOC operations
-\*-------------------------------------------------------------------------*/
-#if defined CONFIG_SND_AT32_SOC_PLAYPAQ_SLAVE
-static struct ssc_clock_data playpaq_wm8510_calc_ssc_clock(
-	struct snd_pcm_hw_params *params,
-	struct snd_soc_dai *cpu_dai)
-{
-	struct at32_ssc_info *ssc_p = snd_soc_dai_get_drvdata(cpu_dai);
-	struct ssc_device *ssc = ssc_p->ssc;
-	struct ssc_clock_data cd;
-	unsigned int rate, width_bits, channels;
-	unsigned int bitrate, ssc_div;
-	unsigned actual_rate;
-
-
-	/*
-	 * Figure out required bitrate
-	 */
-	rate = params_rate(params);
-	channels = params_channels(params);
-	width_bits = snd_pcm_format_physical_width(params_format(params));
-	bitrate = rate * width_bits * channels;
-
-
-	/*
-	 * Figure out required SSC divider and period for required bitrate
-	 */
-	cd.ssc_rate = clk_get_rate(ssc->clk);
-	ssc_div = cd.ssc_rate / bitrate;
-	cd.cmr_div = ssc_div / 2;
-	if (ssc_div & 1) {
-		/* round cmr_div up */
-		cd.cmr_div++;
-	}
-	cd.period = width_bits - 1;
-
-
-	/*
-	 * Find actual rate, compare to requested rate
-	 */
-	actual_rate = (cd.ssc_rate / (cd.cmr_div * 2)) / (2 * (cd.period + 1));
-	pr_debug("playpaq_wm8510: Request rate = %u, actual rate = %u\n",
-		 rate, actual_rate);
-
-
-	return cd;
-}
-#endif /* CONFIG_SND_AT32_SOC_PLAYPAQ_SLAVE */
-
-
-
-static int playpaq_wm8510_hw_params(struct snd_pcm_substream *substream,
-				    struct snd_pcm_hw_params *params)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct at32_ssc_info *ssc_p = snd_soc_dai_get_drvdata(cpu_dai);
-	struct ssc_device *ssc = ssc_p->ssc;
-	unsigned int pll_out = 0, bclk = 0, mclk_div = 0;
-	int ret;
-
-
-	/* Due to difficulties with getting the correct clocks from the AT32's
-	 * PLL0, we're going to let the CODEC be in charge of all the clocks
-	 */
-#if !defined CONFIG_SND_AT32_SOC_PLAYPAQ_SLAVE
-	const unsigned int fmt = (SND_SOC_DAIFMT_I2S |
-				  SND_SOC_DAIFMT_NB_NF |
-				  SND_SOC_DAIFMT_CBM_CFM);
-#else
-	struct ssc_clock_data cd;
-	const unsigned int fmt = (SND_SOC_DAIFMT_I2S |
-				  SND_SOC_DAIFMT_NB_NF |
-				  SND_SOC_DAIFMT_CBS_CFS);
-#endif
-
-	if (ssc == NULL) {
-		pr_warning("playpaq_wm8510_hw_params: ssc is NULL!\n");
-		return -EINVAL;
-	}
-
-
-	/*
-	 * Figure out PLL and BCLK dividers for WM8510
-	 */
-	switch (params_rate(params)) {
-	case 48000:
-		pll_out = 24576000;
-		mclk_div = WM8510_MCLKDIV_2;
-		bclk = WM8510_BCLKDIV_8;
-		break;
-
-	case 44100:
-		pll_out = 22579200;
-		mclk_div = WM8510_MCLKDIV_2;
-		bclk = WM8510_BCLKDIV_8;
-		break;
-
-	case 22050:
-		pll_out = 22579200;
-		mclk_div = WM8510_MCLKDIV_4;
-		bclk = WM8510_BCLKDIV_8;
-		break;
-
-	case 16000:
-		pll_out = 24576000;
-		mclk_div = WM8510_MCLKDIV_6;
-		bclk = WM8510_BCLKDIV_8;
-		break;
-
-	case 11025:
-		pll_out = 22579200;
-		mclk_div = WM8510_MCLKDIV_8;
-		bclk = WM8510_BCLKDIV_8;
-		break;
-
-	case 8000:
-		pll_out = 24576000;
-		mclk_div = WM8510_MCLKDIV_12;
-		bclk = WM8510_BCLKDIV_8;
-		break;
-
-	default:
-		pr_warning("playpaq_wm8510: Unsupported sample rate %d\n",
-			   params_rate(params));
-		return -EINVAL;
-	}
-
-
-	/*
-	 * set CPU and CODEC DAI configuration
-	 */
-	ret = snd_soc_dai_set_fmt(codec_dai, fmt);
-	if (ret < 0) {
-		pr_warning("playpaq_wm8510: "
-			   "Failed to set CODEC DAI format (%d)\n",
-			   ret);
-		return ret;
-	}
-	ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
-	if (ret < 0) {
-		pr_warning("playpaq_wm8510: "
-			   "Failed to set CPU DAI format (%d)\n",
-			   ret);
-		return ret;
-	}
-
-
-	/*
-	 * Set CPU clock configuration
-	 */
-#if defined CONFIG_SND_AT32_SOC_PLAYPAQ_SLAVE
-	cd = playpaq_wm8510_calc_ssc_clock(params, cpu_dai);
-	pr_debug("playpaq_wm8510: cmr_div = %d, period = %d\n",
-		 cd.cmr_div, cd.period);
-	ret = snd_soc_dai_set_clkdiv(cpu_dai, AT32_SSC_CMR_DIV, cd.cmr_div);
-	if (ret < 0) {
-		pr_warning("playpaq_wm8510: Failed to set CPU CMR_DIV (%d)\n",
-			   ret);
-		return ret;
-	}
-	ret = snd_soc_dai_set_clkdiv(cpu_dai, AT32_SSC_TCMR_PERIOD,
-					  cd.period);
-	if (ret < 0) {
-		pr_warning("playpaq_wm8510: "
-			   "Failed to set CPU transmit period (%d)\n",
-			   ret);
-		return ret;
-	}
-#endif /* CONFIG_SND_AT32_SOC_PLAYPAQ_SLAVE */
-
-
-	/*
-	 * Set CODEC clock configuration
-	 */
-	pr_debug("playpaq_wm8510: "
-		 "pll_in = %ld, pll_out = %u, bclk = %x, mclk = %x\n",
-		 clk_get_rate(CODEC_CLK), pll_out, bclk, mclk_div);
-
-
-#if !defined CONFIG_SND_AT32_SOC_PLAYPAQ_SLAVE
-	ret = snd_soc_dai_set_clkdiv(codec_dai, WM8510_BCLKDIV, bclk);
-	if (ret < 0) {
-		pr_warning
-		    ("playpaq_wm8510: Failed to set CODEC DAI BCLKDIV (%d)\n",
-		     ret);
-		return ret;
-	}
-#endif /* CONFIG_SND_AT32_SOC_PLAYPAQ_SLAVE */
-
-
-	ret = snd_soc_dai_set_pll(codec_dai, 0, 0,
-					 clk_get_rate(CODEC_CLK), pll_out);
-	if (ret < 0) {
-		pr_warning("playpaq_wm8510: Failed to set CODEC DAI PLL (%d)\n",
-			   ret);
-		return ret;
-	}
-
-
-	ret = snd_soc_dai_set_clkdiv(codec_dai, WM8510_MCLKDIV, mclk_div);
-	if (ret < 0) {
-		pr_warning("playpaq_wm8510: Failed to set CODEC MCLKDIV (%d)\n",
-			   ret);
-		return ret;
-	}
-
-
-	return 0;
-}
-
-
-
-static struct snd_soc_ops playpaq_wm8510_ops = {
-	.hw_params = playpaq_wm8510_hw_params,
-};
-
-
-
-static const struct snd_soc_dapm_widget playpaq_dapm_widgets[] = {
-	SND_SOC_DAPM_MIC("Int Mic", NULL),
-	SND_SOC_DAPM_SPK("Ext Spk", NULL),
-};
-
-
-
-static const struct snd_soc_dapm_route intercon[] = {
-	/* speaker connected to SPKOUT */
-	{"Ext Spk", NULL, "SPKOUTP"},
-	{"Ext Spk", NULL, "SPKOUTN"},
-
-	{"Mic Bias", NULL, "Int Mic"},
-	{"MICN", NULL, "Mic Bias"},
-	{"MICP", NULL, "Mic Bias"},
-};
-
-
-
-static int playpaq_wm8510_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_codec *codec = rtd->codec;
-	struct snd_soc_dapm_context *dapm = &codec->dapm;
-	int i;
-
-	/*
-	 * Add DAPM widgets
-	 */
-	for (i = 0; i < ARRAY_SIZE(playpaq_dapm_widgets); i++)
-		snd_soc_dapm_new_control(dapm, &playpaq_dapm_widgets[i]);
-
-
-
-	/*
-	 * Setup audio path interconnects
-	 */
-	snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
-
-
-
-	/* always connected pins */
-	snd_soc_dapm_enable_pin(dapm, "Int Mic");
-	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
-
-
-
-	/* Make CSB show PLL rate */
-	snd_soc_dai_set_clkdiv(rtd->codec_dai, WM8510_OPCLKDIV,
-				       WM8510_OPCLKDIV_1 | 4);
-
-	return 0;
-}
-
-
-
-static struct snd_soc_dai_link playpaq_wm8510_dai = {
-	.name = "WM8510",
-	.stream_name = "WM8510 PCM",
-	.cpu_dai_name= "atmel-ssc-dai.0",
-	.platform_name = "atmel-pcm-audio",
-	.codec_name = "wm8510-codec.0-0x1a",
-	.codec_dai_name = "wm8510-hifi",
-	.init = playpaq_wm8510_init,
-	.ops = &playpaq_wm8510_ops,
-};
-
-
-
-static struct snd_soc_card snd_soc_playpaq = {
-	.name = "LRS_PlayPaq_WM8510",
-	.dai_link = &playpaq_wm8510_dai,
-	.num_links = 1,
-};
-
-static struct platform_device *playpaq_snd_device;
-
-
-static int __init playpaq_asoc_init(void)
-{
-	int ret = 0;
-
-	/*
-	 * Configure MCLK for WM8510
-	 */
-	_gclk0 = clk_get(NULL, "gclk0");
-	if (IS_ERR(_gclk0)) {
-		_gclk0 = NULL;
-		ret = PTR_ERR(_gclk0);
-		goto err_gclk0;
-	}
-	_pll0 = clk_get(NULL, "pll0");
-	if (IS_ERR(_pll0)) {
-		_pll0 = NULL;
-		ret = PTR_ERR(_pll0);
-		goto err_pll0;
-	}
-	ret = clk_set_parent(_gclk0, _pll0);
-	if (ret) {
-		pr_warning("snd-soc-playpaq: "
-			   "Failed to set PLL0 as parent for DAC clock\n");
-		goto err_set_clk;
-	}
-	clk_set_rate(CODEC_CLK, 12000000);
-	clk_enable(CODEC_CLK);
-
-#if defined CONFIG_AT32_ENHANCED_PORTMUX
-	at32_select_periph(MCLK_PIN, MCLK_PERIPH, 0);
-#endif
-
-
-	/*
-	 * Create and register platform device
-	 */
-	playpaq_snd_device = platform_device_alloc("soc-audio", 0);
-	if (playpaq_snd_device == NULL) {
-		ret = -ENOMEM;
-		goto err_device_alloc;
-	}
-
-	platform_set_drvdata(playpaq_snd_device, &snd_soc_playpaq);
-
-	ret = platform_device_add(playpaq_snd_device);
-	if (ret) {
-		pr_warning("playpaq_wm8510: platform_device_add failed (%d)\n",
-			   ret);
-		goto err_device_add;
-	}
-
-	return 0;
-
-
-err_device_add:
-	if (playpaq_snd_device != NULL) {
-		platform_device_put(playpaq_snd_device);
-		playpaq_snd_device = NULL;
-	}
-err_device_alloc:
-err_set_clk:
-	if (_pll0 != NULL) {
-		clk_put(_pll0);
-		_pll0 = NULL;
-	}
-err_pll0:
-	if (_gclk0 != NULL) {
-		clk_put(_gclk0);
-		_gclk0 = NULL;
-	}
-	return ret;
-}
-
-
-static void __exit playpaq_asoc_exit(void)
-{
-	if (_gclk0 != NULL) {
-		clk_put(_gclk0);
-		_gclk0 = NULL;
-	}
-	if (_pll0 != NULL) {
-		clk_put(_pll0);
-		_pll0 = NULL;
-	}
-
-#if defined CONFIG_AT32_ENHANCED_PORTMUX
-	at32_free_pin(MCLK_PIN);
-#endif
-
-	platform_device_unregister(playpaq_snd_device);
-	playpaq_snd_device = NULL;
-}
-
-module_init(playpaq_asoc_init);
-module_exit(playpaq_asoc_exit);
-
-MODULE_AUTHOR("Geoffrey Wossum <gwossum@acm.org>");
-MODULE_DESCRIPTION("ASoC machine driver for LRS PlayPaq");
-MODULE_LICENSE("GPL");
-- 
GitLab


From cc6bcf7d2ec2234e7b41770185e4dc826390185e Mon Sep 17 00:00:00 2001
From: "Jeffrey (Sheng-Hui) Chu" <jeffchu@broadcom.com>
Date: Wed, 23 Nov 2011 11:33:07 +0100
Subject: [PATCH 0869/1594] i2c-algo-bit: Generate correct i2c address sequence
 for 10-bit target

The wrong bits were put on the wire, fix that.

This fixes kernel bug #42562.

Signed-off-by: Sheng-Hui J. Chu <jeffchu@broadcom.com>
Cc: stable@kernel.org
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/algos/i2c-algo-bit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 85584a547c25..525c7345fa0b 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -488,7 +488,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
 
 	if (flags & I2C_M_TEN) {
 		/* a ten bit address */
-		addr = 0xf0 | ((msg->addr >> 7) & 0x03);
+		addr = 0xf0 | ((msg->addr >> 7) & 0x06);
 		bit_dbg(2, &i2c_adap->dev, "addr0: %d\n", addr);
 		/* try extended address code...*/
 		ret = try_address(i2c_adap, addr, retries);
@@ -498,7 +498,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
 			return -ENXIO;
 		}
 		/* the remaining 8 bit address */
-		ret = i2c_outb(i2c_adap, msg->addr & 0x7f);
+		ret = i2c_outb(i2c_adap, msg->addr & 0xff);
 		if ((ret != 1) && !nak_ok) {
 			/* the chip did not ack / xmission error occurred */
 			dev_err(&i2c_adap->dev, "died at 2nd address code\n");
-- 
GitLab


From cbb44514048a250647c6c6b3df27ff62cb71f7d5 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 23 Nov 2011 11:33:07 +0100
Subject: [PATCH 0870/1594] i2c: Fix device name for 10-bit slave address

10-bit addresses overlap with traditional 7-bit addresses, leading in
device name collisions. Add an arbitrary offset to 10-bit addresses to
prevent this collision. The offset was chosen so that the address is
still easily recognizable.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
---
 Documentation/i2c/ten-bit-addresses | 36 +++++++++++++++--------------
 drivers/i2c/i2c-core.c              |  4 +++-
 2 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/Documentation/i2c/ten-bit-addresses b/Documentation/i2c/ten-bit-addresses
index e9890709c508..cdfe13901b99 100644
--- a/Documentation/i2c/ten-bit-addresses
+++ b/Documentation/i2c/ten-bit-addresses
@@ -1,22 +1,24 @@
 The I2C protocol knows about two kinds of device addresses: normal 7 bit
 addresses, and an extended set of 10 bit addresses. The sets of addresses
 do not intersect: the 7 bit address 0x10 is not the same as the 10 bit
-address 0x10 (though a single device could respond to both of them). You
-select a 10 bit address by adding an extra byte after the address
-byte:
-  S Addr7 Rd/Wr ....
-becomes
-  S 11110 Addr10 Rd/Wr
-S is the start bit, Rd/Wr the read/write bit, and if you count the number
-of bits, you will see the there are 8 after the S bit for 7 bit addresses,
-and 16 after the S bit for 10 bit addresses.
+address 0x10 (though a single device could respond to both of them).
 
-WARNING! The current 10 bit address support is EXPERIMENTAL. There are
-several places in the code that will cause SEVERE PROBLEMS with 10 bit
-addresses, even though there is some basic handling and hooks. Also,
-almost no supported adapter handles the 10 bit addresses correctly.
+I2C messages to and from 10-bit address devices have a different format.
+See the I2C specification for the details.
 
-As soon as a real 10 bit address device is spotted 'in the wild', we
-can and will add proper support. Right now, 10 bit address devices
-are defined by the I2C protocol, but we have never seen a single device
-which supports them.
+The current 10 bit address support is minimal. It should work, however
+you can expect some problems along the way:
+* Not all bus drivers support 10-bit addresses. Some don't because the
+  hardware doesn't support them (SMBus doesn't require 10-bit address
+  support for example), some don't because nobody bothered adding the
+  code (or it's there but not working properly.) Software implementation
+  (i2c-algo-bit) is known to work.
+* Some optional features do not support 10-bit addresses. This is the
+  case of automatic detection and instantiation of devices by their,
+  drivers, for example.
+* Many user-space packages (for example i2c-tools) lack support for
+  10-bit addresses.
+
+Note that 10-bit address devices are still pretty rare, so the limitations
+listed above could stay for a long time, maybe even forever if nobody
+needs them to be fixed.
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 131079a3e292..1e5606185b4f 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -539,8 +539,10 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
 	client->dev.type = &i2c_client_type;
 	client->dev.of_node = info->of_node;
 
+	/* For 10-bit clients, add an arbitrary offset to avoid collisions */
 	dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap),
-		     client->addr);
+		     client->addr | ((client->flags & I2C_CLIENT_TEN)
+				     ? 0xa000 : 0));
 	status = device_register(&client->dev);
 	if (status)
 		goto out_err;
-- 
GitLab


From 67820021dc9c8da37f773025190280f55f3626d4 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 23 Nov 2011 11:33:07 +0100
Subject: [PATCH 0871/1594] i2c: Delete ANY_I2C_BUS

Last piece of code using ANY_I2C_BUS was deleted almost 2 years ago,
so ANY_I2C_BUS can go away as well.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 include/linux/i2c.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index a81bf6d23b3e..07d103a06d64 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -432,9 +432,6 @@ void i2c_unlock_adapter(struct i2c_adapter *);
 /* Internal numbers to terminate lists */
 #define I2C_CLIENT_END		0xfffeU
 
-/* The numbers to use to set I2C bus address */
-#define ANY_I2C_BUS		0xffff
-
 /* Construct an I2C_CLIENT_END-terminated array of i2c addresses */
 #define I2C_ADDRS(addr, addrs...) \
 	((const unsigned short []){ addr, ## addrs, I2C_CLIENT_END })
-- 
GitLab


From eff245c82f115059648cdce95dd68bb940f2b006 Mon Sep 17 00:00:00 2001
From: Shubhrajyoti D <shubhrajyoti@ti.com>
Date: Wed, 23 Nov 2011 11:33:07 +0100
Subject: [PATCH 0872/1594] i2c: Make i2cdev_notifier_call static

The function i2cdev_notifier_call is used only in i2c-dev file
making it static.
Also removes the following sparse warning

drivers/i2c/i2c-dev.c:582:5: warning: symbol 'i2cdev_notifier_call'
was not declared. Should it be static?

Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/i2c-dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index c90ce50b619f..57a45ce84b2d 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -579,7 +579,7 @@ static int i2cdev_detach_adapter(struct device *dev, void *dummy)
 	return 0;
 }
 
-int i2cdev_notifier_call(struct notifier_block *nb, unsigned long action,
+static int i2cdev_notifier_call(struct notifier_block *nb, unsigned long action,
 			 void *data)
 {
 	struct device *dev = data;
-- 
GitLab


From b284362b6b45150d171ff5bed92bc416b040aead Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Wed, 23 Nov 2011 12:46:11 +0800
Subject: [PATCH 0873/1594] ASoC: cs42l51: Fix off-by-one for reg_cache_size

Just checking the code in cs42l51_fill_cache():
The cache pointer points to codec->reg_cache + 1.
I think it is because CS42L51_FIRSTREG is 0x01,
so codec->reg_cache[0] is not used here.

Then we read CS42L51_NUMREGS bytes to cache.
So we need reg_cache_size to be CS42L51_NUMREGS + 1.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/cs42l51.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 8c3c8205d19e..1ee66361f61b 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -555,7 +555,7 @@ static int cs42l51_probe(struct snd_soc_codec *codec)
 
 static struct snd_soc_codec_driver soc_codec_device_cs42l51 = {
 	.probe =	cs42l51_probe,
-	.reg_cache_size = CS42L51_NUMREGS,
+	.reg_cache_size = CS42L51_NUMREGS + 1,
 	.reg_word_size = sizeof(u8),
 };
 
-- 
GitLab


From b1807719f6acdf18cc4bde3b5400d05d77801494 Mon Sep 17 00:00:00 2001
From: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Date: Wed, 16 Nov 2011 11:39:52 +0100
Subject: [PATCH 0874/1594] HID: Correct General touch PID

Genera Touch told us that 0001 is their single point device
and 0003 is the multitouch one. Apparently, we made the tests
someone having a prototype, and not the final product.
They said it should be safe to do the switch.

This partially reverts 5572da0 ("HID: hid-mulitouch: add support
for the 'Sensing Win7-TwoFinger'").

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-core.c | 2 +-
 drivers/hid/hid-ids.h  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 848a56c0279c..af353842f75f 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1771,8 +1771,8 @@ static const struct hid_device_id hid_ignore_list[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
-	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 06ce996b8b65..4a441a6f9967 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -266,7 +266,7 @@
 #define USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR	0x0002
 
 #define USB_VENDOR_ID_GENERAL_TOUCH	0x0dfc
-#define USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS 0x0001
+#define USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS 0x0003
 
 #define USB_VENDOR_ID_GLAB		0x06c2
 #define USB_DEVICE_ID_4_PHIDGETSERVO_30	0x0038
-- 
GitLab


From 780dc9ba4eb682a89be48d5b814feae6722a19e0 Mon Sep 17 00:00:00 2001
From: Afzal Mohammed <afzal@ti.com>
Date: Tue, 8 Nov 2011 18:54:10 +0530
Subject: [PATCH 0875/1594] regulator: TPS65910: Fix VDD1/2 voltage selector
 count

Count of selector voltage is required for regulator_set_voltage
to work via set_voltage_sel. VDD1/2 currently have it as zero,
so regulator_set_voltage won't work for VDD1/2.
Update count (n_voltages) for VDD1/2.

Output Voltage = (step value * 12.5 mV + 562.5 mV) * gain

With above expr, number of voltages that can be selected is
step value count * gain count

constant for gain count will be called VDD1_2_NUM_VOLT_COARSE

existing constant for step value count is VDD1_2_NUM_VOLTS,
use VDD1_2_NUM_VOLT_FINE instead to make clear that step value
is not the only component in deciding selectable voltage count

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 drivers/regulator/tps65910-regulator.c | 14 ++++++++------
 include/linux/mfd/tps65910.h           |  3 ++-
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 66d2d60b436a..b552aae55b41 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -664,10 +664,10 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
 
 	switch (id) {
 	case TPS65910_REG_VDD1:
-		dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+		dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
 		if (dcdc_mult == 1)
 			dcdc_mult--;
-		vsel = (selector % VDD1_2_NUM_VOLTS) + 3;
+		vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
 
 		tps65910_modify_bits(pmic, TPS65910_VDD1,
 				(dcdc_mult << VDD1_VGAIN_SEL_SHIFT),
@@ -675,10 +675,10 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
 		tps65910_reg_write(pmic, TPS65910_VDD1_OP, vsel);
 		break;
 	case TPS65910_REG_VDD2:
-		dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+		dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
 		if (dcdc_mult == 1)
 			dcdc_mult--;
-		vsel = (selector % VDD1_2_NUM_VOLTS) + 3;
+		vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
 
 		tps65910_modify_bits(pmic, TPS65910_VDD2,
 				(dcdc_mult << VDD2_VGAIN_SEL_SHIFT),
@@ -756,9 +756,9 @@ static int tps65910_list_voltage_dcdc(struct regulator_dev *dev,
 	switch (id) {
 	case TPS65910_REG_VDD1:
 	case TPS65910_REG_VDD2:
-		mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+		mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
 		volt = VDD1_2_MIN_VOLT +
-				(selector % VDD1_2_NUM_VOLTS) * VDD1_2_OFFSET;
+				(selector % VDD1_2_NUM_VOLT_FINE) * VDD1_2_OFFSET;
 		break;
 	case TPS65911_REG_VDDCTRL:
 		volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET);
@@ -947,6 +947,8 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
 
 		if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) {
 			pmic->desc[i].ops = &tps65910_ops_dcdc;
+			pmic->desc[i].n_voltages = VDD1_2_NUM_VOLT_FINE *
+							VDD1_2_NUM_VOLT_COARSE;
 		} else if (i == TPS65910_REG_VDD3) {
 			if (tps65910_chip_id(tps65910) == TPS65910)
 				pmic->desc[i].ops = &tps65910_ops_vdd3;
diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h
index 82b4c8801a4f..8bf2cb9502dd 100644
--- a/include/linux/mfd/tps65910.h
+++ b/include/linux/mfd/tps65910.h
@@ -243,7 +243,8 @@
 
 
 /*Registers VDD1, VDD2 voltage values definitions */
-#define VDD1_2_NUM_VOLTS				73
+#define VDD1_2_NUM_VOLT_FINE				73
+#define VDD1_2_NUM_VOLT_COARSE				3
 #define VDD1_2_MIN_VOLT					6000
 #define VDD1_2_OFFSET					125
 
-- 
GitLab


From 5ff1ddf22b2584d00d7e0ba5a8eab07b5338bd84 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.miao@linaro.org>
Date: Wed, 23 Nov 2011 22:37:00 +0800
Subject: [PATCH 0876/1594] ASoC: skip resume of soc-audio devices without
 codecs

There are cases where there is no working codec on the soc-audio devices,
and snd_soc_suspend() will skip such device when suspending. Yet its
counterpart snd_soc_resume() does not check this, causing complaints
about spinlock lockup:

[  176.726087] BUG: spinlock lockup on CPU#0, kworker/0:2/1067, d8ab82a8
[  176.732539] [<80014a14>] (unwind_backtrace+0x0/0xec) from [<805b3fc8>] (dump_stack+0x20/0x24)
[  176.741082] [<805b3fc8>] (dump_stack+0x20/0x24) from [<80322208>] (do_raw_spin_lock+0x118/0x158)
[  176.749882] [<80322208>] (do_raw_spin_lock+0x118/0x158) from [<805b7874>] (_raw_spin_lock_irqsave+0x5c/0x68)
[  176.759723] [<805b7874>] (_raw_spin_lock_irqsave+0x5c/0x68) from [<8002a020>] (__wake_up+0x2c/0x5c)
[  176.768781] [<8002a020>] (__wake_up+0x2c/0x5c) from [<804a6de8>] (soc_resume_deferred+0x3c/0x2b0)
[  176.777666] [<804a6de8>] (soc_resume_deferred+0x3c/0x2b0) from [<8004ee20>] (process_one_work+0x2e8/0x50c)
[  176.787334] [<8004ee20>] (process_one_work+0x2e8/0x50c) from [<8004fd08>] (worker_thread+0x1c8/0x2e0)
[  176.796566] [<8004fd08>] (worker_thread+0x1c8/0x2e0) from [<80053ec8>] (kthread+0xa4/0xb0)
[  176.804843] [<80053ec8>] (kthread+0xa4/0xb0) from [<8000ea70>] (kernel_thread_exit+0x0/0x8)

Signed-off-by: Eric Miao <eric.miao@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/soc-core.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index a5d3685a5d38..a25fa63ce9a2 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -709,6 +709,12 @@ int snd_soc_resume(struct device *dev)
 	struct snd_soc_card *card = dev_get_drvdata(dev);
 	int i, ac97_control = 0;
 
+	/* If the initialization of this soc device failed, there is no codec
+	 * associated with it. Just bail out in this case.
+	 */
+	if (list_empty(&card->codec_dev_list))
+		return 0;
+
 	/* AC97 devices might have other drivers hanging off them so
 	 * need to resume immediately.  Other drivers don't have that
 	 * problem and may take a substantial amount of time to resume
-- 
GitLab


From 67589c71456b0346500629967292dea3802230b6 Mon Sep 17 00:00:00 2001
From: Dave Young <dyoung@redhat.com>
Date: Wed, 23 Nov 2011 08:20:53 -0800
Subject: [PATCH 0877/1594] percpu: explain why per_cpu_ptr_to_phys() is more
 complicated than necessary

Add comments about current per_cpu_ptr_to_phys implementation to
explain why the logic is more complicated than necessary.

-tj: relocated comment into kerneldoc comment

Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
 mm/percpu.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/mm/percpu.c b/mm/percpu.c
index 2473ff06dc76..3bb810a72006 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -978,6 +978,17 @@ bool is_kernel_percpu_address(unsigned long addr)
  * address.  The caller is responsible for ensuring @addr stays valid
  * until this function finishes.
  *
+ * percpu allocator has special setup for the first chunk, which currently
+ * supports either embedding in linear address space or vmalloc mapping,
+ * and, from the second one, the backing allocator (currently either vm or
+ * km) provides translation.
+ *
+ * The addr can be tranlated simply without checking if it falls into the
+ * first chunk. But the current code reflects better how percpu allocator
+ * actually works, and the verification can discover both bugs in percpu
+ * allocator itself and per_cpu_ptr_to_phys() callers. So we keep current
+ * code.
+ *
  * RETURNS:
  * The physical address for @addr.
  */
-- 
GitLab


From c2735391fbc68feae10d6d14e60956c8106e725f Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 10 Sep 2011 12:26:07 +0200
Subject: [PATCH 0878/1594] arm: mx28: fix bit operation in clock setting

reg | (1 << clk->enable_shift) always evaluates to true. Switch it
to & which makes much more sense. Same fix as 13be9f00 (ARM i.MX28: fix
bit operation) at a different location.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: stable@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/arm/mach-mxs/clock-mx28.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 229ae3494216..da6e4aad177c 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -404,7 +404,7 @@ static int name##_set_rate(struct clk *clk, unsigned long rate)		\
 	reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr);		\
 	reg &= ~BM_CLKCTRL_##dr##_DIV;					\
 	reg |= div << BP_CLKCTRL_##dr##_DIV;				\
-	if (reg | (1 << clk->enable_shift)) {				\
+	if (reg & (1 << clk->enable_shift)) {				\
 		pr_err("%s: clock is gated\n", __func__);		\
 		return -EINVAL;						\
 	}								\
-- 
GitLab


From bb58dd5d1ffad6c2d21c69698ba766dad4ae54e6 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Tue, 22 Nov 2011 23:08:10 +0100
Subject: [PATCH 0879/1594] PM / Hibernate: Do not leak memory in error/test
 code paths

The hibernation core code forgets to release memory preallocated
for hibernation if there's an error in its early stages or if test
modes causing hibernation_snapshot() to return early are used.  This
causes the system to be hardly usable, because the amount of
preallocated memory is usually huge.  Fix this problem.

Reported-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
---
 kernel/power/hibernate.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 196c01268ebd..a6b0503574ee 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -347,7 +347,7 @@ int hibernation_snapshot(int platform_mode)
 
 	error = freeze_kernel_threads();
 	if (error)
-		goto Close;
+		goto Cleanup;
 
 	if (hibernation_test(TEST_FREEZER) ||
 		hibernation_testmode(HIBERNATION_TESTPROC)) {
@@ -357,12 +357,14 @@ int hibernation_snapshot(int platform_mode)
 		 * successful freezer test.
 		 */
 		freezer_test_done = true;
-		goto Close;
+		goto Cleanup;
 	}
 
 	error = dpm_prepare(PMSG_FREEZE);
-	if (error)
-		goto Complete_devices;
+	if (error) {
+		dpm_complete(msg);
+		goto Cleanup;
+	}
 
 	suspend_console();
 	pm_restrict_gfp_mask();
@@ -391,8 +393,6 @@ int hibernation_snapshot(int platform_mode)
 		pm_restore_gfp_mask();
 
 	resume_console();
-
- Complete_devices:
 	dpm_complete(msg);
 
  Close:
@@ -402,6 +402,10 @@ int hibernation_snapshot(int platform_mode)
  Recover_platform:
 	platform_recover(platform_mode);
 	goto Resume_devices;
+
+ Cleanup:
+	swsusp_free();
+	goto Close;
 }
 
 /**
-- 
GitLab


From c16a98ed91597b40b22b540c6517103497ef8e74 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 23 Nov 2011 15:49:31 -0500
Subject: [PATCH 0880/1594] ipv6: tcp: fix panic in SYN processing

commit 72a3effaf633bc ([NET]: Size listen hash tables using backlog
hint) added a bug allowing inet6_synq_hash() to return an out of bound
array index, because of u16 overflow.

Bug can happen if system admins set net.core.somaxconn &
net.ipv4.tcp_max_syn_backlog sysctls to values greater than 65536

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/inet6_connection_sock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index fee46d5a2f12..1567fb120392 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -85,7 +85,7 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk,
  * request_sock (formerly open request) hash tables.
  */
 static u32 inet6_synq_hash(const struct in6_addr *raddr, const __be16 rport,
-			   const u32 rnd, const u16 synq_hsize)
+			   const u32 rnd, const u32 synq_hsize)
 {
 	u32 c;
 
-- 
GitLab


From 46a246c4dff9f248913e791b69f2336cd8d4ec41 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 23 Nov 2011 16:07:00 -0500
Subject: [PATCH 0881/1594] netfilter: Remove NOTRACK/RAW dependency on
 NETFILTER_ADVANCED.

Distributions are using this in their default scripts, so don't hide
them behind the advanced setting.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/netfilter/Kconfig | 1 -
 net/ipv6/netfilter/Kconfig | 1 -
 net/netfilter/Kconfig      | 1 -
 3 files changed, 3 deletions(-)

diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 1dfc18a03fd4..f19f2182894c 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -325,7 +325,6 @@ config IP_NF_TARGET_TTL
 # raw + specific targets
 config IP_NF_RAW
 	tristate  'raw table support (required for NOTRACK/TRACE)'
-	depends on NETFILTER_ADVANCED
 	help
 	  This option adds a `raw' table to iptables. This table is the very
 	  first in the netfilter framework and hooks in at the PREROUTING
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index 448464844a25..f792b34cbe9c 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -186,7 +186,6 @@ config IP6_NF_MANGLE
 
 config IP6_NF_RAW
 	tristate  'raw table support (required for TRACE)'
-	depends on NETFILTER_ADVANCED
 	help
 	  This option adds a `raw' table to ip6tables. This table is the very
 	  first in the netfilter framework and hooks in at the PREROUTING
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 8260b13d93c9..e8f379692294 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -542,7 +542,6 @@ config NETFILTER_XT_TARGET_NOTRACK
 	tristate  '"NOTRACK" target support'
 	depends on IP_NF_RAW || IP6_NF_RAW
 	depends on NF_CONNTRACK
-	depends on NETFILTER_ADVANCED
 	help
 	  The NOTRACK target allows a select rule to specify
 	  which packets *not* to enter the conntrack/NAT
-- 
GitLab


From 8d715f0024f64ad1b1be85d8c081cf577944c847 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 18 Nov 2011 20:39:01 -0800
Subject: [PATCH 0882/1594] drm/i915: add multi-threaded forcewake support

On IVB C0+ with newer BIOSes, the forcewake handshake has changed.  There's
now a bitfield for different driver components to keep the GT powered
on.  On Linux, we centralize forcewake handling in one place, so we
still just need a single bit, but we need to use the new registers if MT
forcewake is enabled.

This needs testing on affected machines.  Please reply with your
tested-by if you had problems after a BIOS upgrade and this patch fixes
them.

v2: force MT mode. shift by 16
v3: set MT force wake bits then check ECOBUS

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42923
Tested-by: Manoj Iyer <manoj.iyer@canonical.com>
Tested-by: Robert Hooker <robert.hooker@canonical.com>
Tested-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_drv.c      | 35 +++++++++++++++++++++++-----
 drivers/gpu/drm/i915/i915_drv.h      | 13 +++++++++--
 drivers/gpu/drm/i915/i915_reg.h      |  4 ++++
 drivers/gpu/drm/i915/intel_display.c | 22 +++++++++++++++++
 4 files changed, 66 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 15bfa9145d2b..28836fe72211 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -328,7 +328,7 @@ void intel_detect_pch(struct drm_device *dev)
 	}
 }
 
-static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 {
 	int count;
 
@@ -344,6 +344,22 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 		udelay(10);
 }
 
+void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
+{
+	int count;
+
+	count = 0;
+	while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1))
+		udelay(10);
+
+	I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 1);
+	POSTING_READ(FORCEWAKE_MT);
+
+	count = 0;
+	while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1) == 0)
+		udelay(10);
+}
+
 /*
  * Generally this is called implicitly by the register read function. However,
  * if some sequence requires the GT to not power down then this function should
@@ -356,15 +372,21 @@ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 
 	/* Forcewake is atomic in case we get in here without the lock */
 	if (atomic_add_return(1, &dev_priv->forcewake_count) == 1)
-		__gen6_gt_force_wake_get(dev_priv);
+		dev_priv->display.force_wake_get(dev_priv);
 }
 
-static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE_NOTRACE(FORCEWAKE, 0);
 	POSTING_READ(FORCEWAKE);
 }
 
+void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
+{
+	I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 0);
+	POSTING_READ(FORCEWAKE_MT);
+}
+
 /*
  * see gen6_gt_force_wake_get()
  */
@@ -373,7 +395,7 @@ void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
 	WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
 
 	if (atomic_dec_and_test(&dev_priv->forcewake_count))
-		__gen6_gt_force_wake_put(dev_priv);
+		dev_priv->display.force_wake_put(dev_priv);
 }
 
 void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
@@ -903,8 +925,9 @@ MODULE_LICENSE("GPL and additional rights");
 /* We give fast paths for the really cool registers */
 #define NEEDS_FORCE_WAKE(dev_priv, reg) \
 	(((dev_priv)->info->gen >= 6) && \
-	((reg) < 0x40000) && \
-	((reg) != FORCEWAKE))
+	 ((reg) < 0x40000) &&		 \
+	 ((reg) != FORCEWAKE) &&	 \
+	 ((reg) != ECOBUS))
 
 #define __i915_read(x, y) \
 u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4a9c1b979804..8ba88cfc36de 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -107,6 +107,7 @@ struct opregion_header;
 struct opregion_acpi;
 struct opregion_swsci;
 struct opregion_asle;
+struct drm_i915_private;
 
 struct intel_opregion {
 	struct opregion_header *header;
@@ -221,6 +222,8 @@ struct drm_i915_display_funcs {
 			  struct drm_i915_gem_object *obj);
 	int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 			    int x, int y);
+	void (*force_wake_get)(struct drm_i915_private *dev_priv);
+	void (*force_wake_put)(struct drm_i915_private *dev_priv);
 	/* clock updates for mode set */
 	/* cursor updates */
 	/* render clock increase/decrease */
@@ -1308,6 +1311,11 @@ extern void gen6_set_rps(struct drm_device *dev, u8 val);
 extern void intel_detect_pch(struct drm_device *dev);
 extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
 
+extern void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv);
+
 /* overlay */
 #ifdef CONFIG_DEBUG_FS
 extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
@@ -1352,8 +1360,9 @@ void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
 /* We give fast paths for the really cool registers */
 #define NEEDS_FORCE_WAKE(dev_priv, reg) \
 	(((dev_priv)->info->gen >= 6) && \
-	((reg) < 0x40000) && \
-	((reg) != FORCEWAKE))
+	 ((reg) < 0x40000) &&		 \
+	 ((reg) != FORCEWAKE) &&	 \
+	 ((reg) != ECOBUS))
 
 #define __i915_read(x, y) \
 	u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b080cc824001..8990057e384c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3449,6 +3449,10 @@
 
 #define  FORCEWAKE				0xA18C
 #define  FORCEWAKE_ACK				0x130090
+#define  FORCEWAKE_MT				0xa188 /* multi-threaded */
+#define  FORCEWAKE_MT_ACK			0x130040
+#define  ECOBUS					0xa180
+#define    FORCEWAKE_MT_ENABLE			(1<<5)
 
 #define  GT_FIFO_FREE_ENTRIES			0x120008
 #define    GT_FIFO_NUM_RESERVED_ENTRIES		20
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e77a863a3833..633c69365388 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8491,6 +8491,28 @@ static void intel_init_display(struct drm_device *dev)
 
 	/* For FIFO watermark updates */
 	if (HAS_PCH_SPLIT(dev)) {
+		dev_priv->display.force_wake_get = __gen6_gt_force_wake_get;
+		dev_priv->display.force_wake_put = __gen6_gt_force_wake_put;
+
+		/* IVB configs may use multi-threaded forcewake */
+		if (IS_IVYBRIDGE(dev)) {
+			u32	ecobus;
+
+			mutex_lock(&dev->struct_mutex);
+			__gen6_gt_force_wake_mt_get(dev_priv);
+			ecobus = I915_READ(ECOBUS);
+			__gen6_gt_force_wake_mt_put(dev_priv);
+			mutex_unlock(&dev->struct_mutex);
+
+			if (ecobus & FORCEWAKE_MT_ENABLE) {
+				DRM_DEBUG_KMS("Using MT version of forcewake\n");
+				dev_priv->display.force_wake_get =
+					__gen6_gt_force_wake_mt_get;
+				dev_priv->display.force_wake_put =
+					__gen6_gt_force_wake_mt_put;
+			}
+		}
+
 		if (HAS_PCH_IBX(dev))
 			dev_priv->display.init_pch_clock_gating = ibx_init_clock_gating;
 		else if (HAS_PCH_CPT(dev))
-- 
GitLab


From 1a2eb4604b85c5efb343da8a4dcf41288fcfca85 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 16 Nov 2011 16:26:07 -0800
Subject: [PATCH 0883/1594] drm/i915: Hook up Ivybridge eDP

The Ivybridge eDP control register looks like a cross between a
Cougarpoint PCH DP control register and a Sandybridge eDP control
register.

Where things trivially match, share the code. Where there are any
tricky bits, just split things out into two obviously separate code paths.

Signed-off-by: Keith Packard <keithp@keithp.com>
Tested-by: Fang Xun <xunx.fang@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41991
---
 drivers/gpu/drm/i915/i915_reg.h |  18 ++++
 drivers/gpu/drm/i915/intel_dp.c | 149 ++++++++++++++++++++++++--------
 2 files changed, 133 insertions(+), 34 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 8990057e384c..6ef68c74189d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3447,6 +3447,24 @@
 #define  EDP_LINK_TRAIN_800_1200MV_0DB_SNB_B	(0x38<<22)
 #define  EDP_LINK_TRAIN_VOL_EMP_MASK_SNB	(0x3f<<22)
 
+/* IVB */
+#define EDP_LINK_TRAIN_400MV_0DB_IVB		(0x24 <<22)
+#define EDP_LINK_TRAIN_400MV_3_5DB_IVB		(0x2a <<22)
+#define EDP_LINK_TRAIN_400MV_6DB_IVB		(0x2f <<22)
+#define EDP_LINK_TRAIN_600MV_0DB_IVB		(0x30 <<22)
+#define EDP_LINK_TRAIN_600MV_3_5DB_IVB		(0x36 <<22)
+#define EDP_LINK_TRAIN_800MV_0DB_IVB		(0x38 <<22)
+#define EDP_LINK_TRAIN_800MV_3_5DB_IVB		(0x33 <<22)
+
+/* legacy values */
+#define EDP_LINK_TRAIN_500MV_0DB_IVB		(0x00 <<22)
+#define EDP_LINK_TRAIN_1000MV_0DB_IVB		(0x20 <<22)
+#define EDP_LINK_TRAIN_500MV_3_5DB_IVB		(0x02 <<22)
+#define EDP_LINK_TRAIN_1000MV_3_5DB_IVB		(0x22 <<22)
+#define EDP_LINK_TRAIN_1000MV_6DB_IVB		(0x23 <<22)
+
+#define  EDP_LINK_TRAIN_VOL_EMP_MASK_IVB	(0x3f<<22)
+
 #define  FORCEWAKE				0xA18C
 #define  FORCEWAKE_ACK				0x130090
 #define  FORCEWAKE_MT				0xa188 /* multi-threaded */
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 4d0358fad937..294f55788f0b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -362,8 +362,8 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
 	 * clock divider.
 	 */
 	if (is_cpu_edp(intel_dp)) {
-		if (IS_GEN6(dev))
-			aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */
+		if (IS_GEN6(dev) || IS_GEN7(dev))
+			aux_clock_divider = 200; /* SNB & IVB eDP input clock at 400Mhz */
 		else
 			aux_clock_divider = 225; /* eDP input clock at 450Mhz */
 	} else if (HAS_PCH_SPLIT(dev))
@@ -817,10 +817,11 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	}
 
 	/*
-	 * There are three kinds of DP registers:
+	 * There are four kinds of DP registers:
 	 *
 	 * 	IBX PCH
-	 * 	CPU
+	 * 	SNB CPU
+	 *	IVB CPU
 	 * 	CPT PCH
 	 *
 	 * IBX PCH and CPU are the same for almost everything,
@@ -873,7 +874,25 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 
 	/* Split out the IBX/CPU vs CPT settings */
 
-	if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
+	if (is_cpu_edp(intel_dp) && IS_GEN7(dev)) {
+		if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+			intel_dp->DP |= DP_SYNC_HS_HIGH;
+		if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+			intel_dp->DP |= DP_SYNC_VS_HIGH;
+		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
+
+		if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+			intel_dp->DP |= DP_ENHANCED_FRAMING;
+
+		intel_dp->DP |= intel_crtc->pipe << 29;
+
+		/* don't miss out required setting for eDP */
+		intel_dp->DP |= DP_PLL_ENABLE;
+		if (adjusted_mode->clock < 200000)
+			intel_dp->DP |= DP_PLL_FREQ_160MHZ;
+		else
+			intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+	} else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
 		intel_dp->DP |= intel_dp->color_range;
 
 		if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
@@ -1375,34 +1394,59 @@ static char	*link_train_names[] = {
  * These are source-specific values; current Intel hardware supports
  * a maximum voltage of 800mV and a maximum pre-emphasis of 6dB
  */
-#define I830_DP_VOLTAGE_MAX	    DP_TRAIN_VOLTAGE_SWING_800
-#define I830_DP_VOLTAGE_MAX_CPT	    DP_TRAIN_VOLTAGE_SWING_1200
 
 static uint8_t
-intel_dp_pre_emphasis_max(uint8_t voltage_swing)
+intel_dp_voltage_max(struct intel_dp *intel_dp)
 {
-	switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
-	case DP_TRAIN_VOLTAGE_SWING_400:
-		return DP_TRAIN_PRE_EMPHASIS_6;
-	case DP_TRAIN_VOLTAGE_SWING_600:
-		return DP_TRAIN_PRE_EMPHASIS_6;
-	case DP_TRAIN_VOLTAGE_SWING_800:
-		return DP_TRAIN_PRE_EMPHASIS_3_5;
-	case DP_TRAIN_VOLTAGE_SWING_1200:
-	default:
-		return DP_TRAIN_PRE_EMPHASIS_0;
+	struct drm_device *dev = intel_dp->base.base.dev;
+
+	if (IS_GEN7(dev) && is_cpu_edp(intel_dp))
+		return DP_TRAIN_VOLTAGE_SWING_800;
+	else if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		return DP_TRAIN_VOLTAGE_SWING_1200;
+	else
+		return DP_TRAIN_VOLTAGE_SWING_800;
+}
+
+static uint8_t
+intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing)
+{
+	struct drm_device *dev = intel_dp->base.base.dev;
+
+	if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+		switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+		case DP_TRAIN_VOLTAGE_SWING_400:
+			return DP_TRAIN_PRE_EMPHASIS_6;
+		case DP_TRAIN_VOLTAGE_SWING_600:
+		case DP_TRAIN_VOLTAGE_SWING_800:
+			return DP_TRAIN_PRE_EMPHASIS_3_5;
+		default:
+			return DP_TRAIN_PRE_EMPHASIS_0;
+		}
+	} else {
+		switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+		case DP_TRAIN_VOLTAGE_SWING_400:
+			return DP_TRAIN_PRE_EMPHASIS_6;
+		case DP_TRAIN_VOLTAGE_SWING_600:
+			return DP_TRAIN_PRE_EMPHASIS_6;
+		case DP_TRAIN_VOLTAGE_SWING_800:
+			return DP_TRAIN_PRE_EMPHASIS_3_5;
+		case DP_TRAIN_VOLTAGE_SWING_1200:
+		default:
+			return DP_TRAIN_PRE_EMPHASIS_0;
+		}
 	}
 }
 
 static void
 intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
-	struct drm_device *dev = intel_dp->base.base.dev;
 	uint8_t v = 0;
 	uint8_t p = 0;
 	int lane;
 	uint8_t	*adjust_request = link_status + (DP_ADJUST_REQUEST_LANE0_1 - DP_LANE0_1_STATUS);
-	int voltage_max;
+	uint8_t voltage_max;
+	uint8_t preemph_max;
 
 	for (lane = 0; lane < intel_dp->lane_count; lane++) {
 		uint8_t this_v = intel_get_adjust_request_voltage(adjust_request, lane);
@@ -1414,15 +1458,13 @@ intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_ST
 			p = this_p;
 	}
 
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
-		voltage_max = I830_DP_VOLTAGE_MAX_CPT;
-	else
-		voltage_max = I830_DP_VOLTAGE_MAX;
+	voltage_max = intel_dp_voltage_max(intel_dp);
 	if (v >= voltage_max)
 		v = voltage_max | DP_TRAIN_MAX_SWING_REACHED;
 
-	if (p >= intel_dp_pre_emphasis_max(v))
-		p = intel_dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
+	preemph_max = intel_dp_pre_emphasis_max(intel_dp, v);
+	if (p >= preemph_max)
+		p = preemph_max | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
 
 	for (lane = 0; lane < 4; lane++)
 		intel_dp->train_set[lane] = v | p;
@@ -1494,6 +1536,37 @@ intel_gen6_edp_signal_levels(uint8_t train_set)
 	}
 }
 
+/* Gen7's DP voltage swing and pre-emphasis control */
+static uint32_t
+intel_gen7_edp_signal_levels(uint8_t train_set)
+{
+	int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
+					 DP_TRAIN_PRE_EMPHASIS_MASK);
+	switch (signal_levels) {
+	case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0:
+		return EDP_LINK_TRAIN_400MV_0DB_IVB;
+	case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_3_5:
+		return EDP_LINK_TRAIN_400MV_3_5DB_IVB;
+	case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6:
+		return EDP_LINK_TRAIN_400MV_6DB_IVB;
+
+	case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_0:
+		return EDP_LINK_TRAIN_600MV_0DB_IVB;
+	case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_3_5:
+		return EDP_LINK_TRAIN_600MV_3_5DB_IVB;
+
+	case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_0:
+		return EDP_LINK_TRAIN_800MV_0DB_IVB;
+	case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_3_5:
+		return EDP_LINK_TRAIN_800MV_3_5DB_IVB;
+
+	default:
+		DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level:"
+			      "0x%x\n", signal_levels);
+		return EDP_LINK_TRAIN_500MV_0DB_IVB;
+	}
+}
+
 static uint8_t
 intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
 		      int lane)
@@ -1599,7 +1672,8 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 				  DP_LINK_CONFIGURATION_SIZE);
 
 	DP |= DP_PORT_EN;
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+
+	if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 		DP &= ~DP_LINK_TRAIN_MASK_CPT;
 	else
 		DP &= ~DP_LINK_TRAIN_MASK;
@@ -1613,7 +1687,11 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 		uint8_t	    link_status[DP_LINK_STATUS_SIZE];
 		uint32_t    signal_levels;
 
-		if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
+
+		if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+			signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+		} else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
@@ -1622,7 +1700,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
-		if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 			reg = DP | DP_LINK_TRAIN_PAT_1_CPT;
 		else
 			reg = DP | DP_LINK_TRAIN_PAT_1;
@@ -1703,7 +1781,10 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 			break;
 		}
 
-		if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
+		if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+			signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+		} else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
@@ -1711,7 +1792,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
-		if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 			reg = DP | DP_LINK_TRAIN_PAT_2_CPT;
 		else
 			reg = DP | DP_LINK_TRAIN_PAT_2;
@@ -1752,7 +1833,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
 		++tries;
 	}
 
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+	if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 		reg = DP | DP_LINK_TRAIN_OFF_CPT;
 	else
 		reg = DP | DP_LINK_TRAIN_OFF;
@@ -1782,7 +1863,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
 		udelay(100);
 	}
 
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp)) {
+	if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp))) {
 		DP &= ~DP_LINK_TRAIN_MASK_CPT;
 		I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
 	} else {
@@ -1794,7 +1875,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
 	msleep(17);
 
 	if (is_edp(intel_dp)) {
-		if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
 			DP |= DP_LINK_TRAIN_OFF_CPT;
 		else
 			DP |= DP_LINK_TRAIN_OFF;
-- 
GitLab


From ca88479c1c3b7b1a9f94320745f5331e1de77f80 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 18 Nov 2011 11:09:24 -0800
Subject: [PATCH 0884/1594] drm/i915: Treat pre-gen4 backlight duty cycle value
 consistently

For i945 and earlier chips, the backlight frequency value had the low
bit (of 16) fixed to zero. The Pineview code path handled this by just
exposing the backlight range as 15 bits while other chips had the
backlight range limited to 0 .. 0xfffe.

This patch makes everyone take the pineview code path, providing 15
bits of backlight duty cycle range which seems more than sufficient to
me.

Daniel Mack reported that writing 1 to bit 0 of the duty cycle
register was causing problems on his Samsung X20 notebook, even when
the duty cycle value was less than the maximum backlight value. (He
tried a value of 29749 with max_brightness of 29750). This patch never
writes a '1' to that bit.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reported-and-tested-by: Daniel Mack <zonque@gmail.com>
Cc: stable@kernel.org
---
 drivers/gpu/drm/i915/intel_panel.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 21f60b7d69a3..04d79fd1dc9d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -178,13 +178,10 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
 	if (HAS_PCH_SPLIT(dev)) {
 		max >>= 16;
 	} else {
-		if (IS_PINEVIEW(dev)) {
+		if (INTEL_INFO(dev)->gen < 4)
 			max >>= 17;
-		} else {
+		else
 			max >>= 16;
-			if (INTEL_INFO(dev)->gen < 4)
-				max &= ~1;
-		}
 
 		if (is_backlight_combination_mode(dev))
 			max *= 0xff;
@@ -203,13 +200,12 @@ u32 intel_panel_get_backlight(struct drm_device *dev)
 		val = I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
 	} else {
 		val = I915_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
-		if (IS_PINEVIEW(dev))
+		if (INTEL_INFO(dev)->gen < 4)
 			val >>= 1;
 
 		if (is_backlight_combination_mode(dev)) {
 			u8 lbpc;
 
-			val &= ~1;
 			pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc);
 			val *= lbpc;
 		}
@@ -246,11 +242,9 @@ static void intel_panel_actually_set_backlight(struct drm_device *dev, u32 level
 	}
 
 	tmp = I915_READ(BLC_PWM_CTL);
-	if (IS_PINEVIEW(dev)) {
-		tmp &= ~(BACKLIGHT_DUTY_CYCLE_MASK - 1);
+	if (INTEL_INFO(dev)->gen < 4) 
 		level <<= 1;
-	} else
-		tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
+	tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
 	I915_WRITE(BLC_PWM_CTL, tmp | level);
 }
 
-- 
GitLab


From b59db43ad4434519feb338eacb01d77eb50825c5 Mon Sep 17 00:00:00 2001
From: Tyler Hicks <tyhicks@canonical.com>
Date: Mon, 21 Nov 2011 17:31:02 -0600
Subject: [PATCH 0885/1594] eCryptfs: Prevent file create race condition

The file creation path prematurely called d_instantiate() and
unlock_new_inode() before the eCryptfs inode info was fully
allocated and initialized and before the eCryptfs metadata was written
to the lower file.

This could result in race conditions in subsequent file and inode
operations leading to unexpected error conditions or a null pointer
dereference while attempting to use the unallocated memory.

https://launchpad.net/bugs/813146

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Cc: stable@kernel.org
---
 fs/ecryptfs/crypto.c          | 22 ++++++++-------
 fs/ecryptfs/ecryptfs_kernel.h |  5 ++--
 fs/ecryptfs/inode.c           | 52 +++++++++++++++++++++--------------
 3 files changed, 46 insertions(+), 33 deletions(-)

diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 58609bde3b9f..203a1fdff666 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -967,7 +967,7 @@ static void ecryptfs_set_default_crypt_stat_vals(
 
 /**
  * ecryptfs_new_file_context
- * @ecryptfs_dentry: The eCryptfs dentry
+ * @ecryptfs_inode: The eCryptfs inode
  *
  * If the crypto context for the file has not yet been established,
  * this is where we do that.  Establishing a new crypto context
@@ -984,13 +984,13 @@ static void ecryptfs_set_default_crypt_stat_vals(
  *
  * Returns zero on success; non-zero otherwise
  */
-int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry)
+int ecryptfs_new_file_context(struct inode *ecryptfs_inode)
 {
 	struct ecryptfs_crypt_stat *crypt_stat =
-	    &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat;
+	    &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
 	struct ecryptfs_mount_crypt_stat *mount_crypt_stat =
 	    &ecryptfs_superblock_to_private(
-		    ecryptfs_dentry->d_sb)->mount_crypt_stat;
+		    ecryptfs_inode->i_sb)->mount_crypt_stat;
 	int cipher_name_len;
 	int rc = 0;
 
@@ -1299,12 +1299,12 @@ static int ecryptfs_write_headers_virt(char *page_virt, size_t max,
 }
 
 static int
-ecryptfs_write_metadata_to_contents(struct dentry *ecryptfs_dentry,
+ecryptfs_write_metadata_to_contents(struct inode *ecryptfs_inode,
 				    char *virt, size_t virt_len)
 {
 	int rc;
 
-	rc = ecryptfs_write_lower(ecryptfs_dentry->d_inode, virt,
+	rc = ecryptfs_write_lower(ecryptfs_inode, virt,
 				  0, virt_len);
 	if (rc < 0)
 		printk(KERN_ERR "%s: Error attempting to write header "
@@ -1338,7 +1338,8 @@ static unsigned long ecryptfs_get_zeroed_pages(gfp_t gfp_mask,
 
 /**
  * ecryptfs_write_metadata
- * @ecryptfs_dentry: The eCryptfs dentry
+ * @ecryptfs_dentry: The eCryptfs dentry, which should be negative
+ * @ecryptfs_inode: The newly created eCryptfs inode
  *
  * Write the file headers out.  This will likely involve a userspace
  * callout, in which the session key is encrypted with one or more
@@ -1348,10 +1349,11 @@ static unsigned long ecryptfs_get_zeroed_pages(gfp_t gfp_mask,
  *
  * Returns zero on success; non-zero on error
  */
-int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry)
+int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry,
+			    struct inode *ecryptfs_inode)
 {
 	struct ecryptfs_crypt_stat *crypt_stat =
-		&ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat;
+		&ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
 	unsigned int order;
 	char *virt;
 	size_t virt_len;
@@ -1391,7 +1393,7 @@ int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry)
 		rc = ecryptfs_write_metadata_to_xattr(ecryptfs_dentry, virt,
 						      size);
 	else
-		rc = ecryptfs_write_metadata_to_contents(ecryptfs_dentry, virt,
+		rc = ecryptfs_write_metadata_to_contents(ecryptfs_inode, virt,
 							 virt_len);
 	if (rc) {
 		printk(KERN_ERR "%s: Error writing metadata out to lower file; "
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 54481a3b2c79..a9f29b12fbf2 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -584,9 +584,10 @@ int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat);
 int ecryptfs_write_inode_size_to_metadata(struct inode *ecryptfs_inode);
 int ecryptfs_encrypt_page(struct page *page);
 int ecryptfs_decrypt_page(struct page *page);
-int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry);
+int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry,
+			    struct inode *ecryptfs_inode);
 int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry);
-int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry);
+int ecryptfs_new_file_context(struct inode *ecryptfs_inode);
 void ecryptfs_write_crypt_stat_flags(char *page_virt,
 				     struct ecryptfs_crypt_stat *crypt_stat,
 				     size_t *written);
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index a36d327f1521..32f90a3ae63e 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -172,22 +172,23 @@ ecryptfs_create_underlying_file(struct inode *lower_dir_inode,
  * it. It will also update the eCryptfs directory inode to mimic the
  * stat of the lower directory inode.
  *
- * Returns zero on success; non-zero on error condition
+ * Returns the new eCryptfs inode on success; an ERR_PTR on error condition
  */
-static int
+static struct inode *
 ecryptfs_do_create(struct inode *directory_inode,
 		   struct dentry *ecryptfs_dentry, int mode)
 {
 	int rc;
 	struct dentry *lower_dentry;
 	struct dentry *lower_dir_dentry;
+	struct inode *inode;
 
 	lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
 	lower_dir_dentry = lock_parent(lower_dentry);
 	if (IS_ERR(lower_dir_dentry)) {
 		ecryptfs_printk(KERN_ERR, "Error locking directory of "
 				"dentry\n");
-		rc = PTR_ERR(lower_dir_dentry);
+		inode = ERR_CAST(lower_dir_dentry);
 		goto out;
 	}
 	rc = ecryptfs_create_underlying_file(lower_dir_dentry->d_inode,
@@ -195,20 +196,19 @@ ecryptfs_do_create(struct inode *directory_inode,
 	if (rc) {
 		printk(KERN_ERR "%s: Failure to create dentry in lower fs; "
 		       "rc = [%d]\n", __func__, rc);
+		inode = ERR_PTR(rc);
 		goto out_lock;
 	}
-	rc = ecryptfs_interpose(lower_dentry, ecryptfs_dentry,
-				directory_inode->i_sb);
-	if (rc) {
-		ecryptfs_printk(KERN_ERR, "Failure in ecryptfs_interpose\n");
+	inode = __ecryptfs_get_inode(lower_dentry->d_inode,
+				     directory_inode->i_sb);
+	if (IS_ERR(inode))
 		goto out_lock;
-	}
 	fsstack_copy_attr_times(directory_inode, lower_dir_dentry->d_inode);
 	fsstack_copy_inode_size(directory_inode, lower_dir_dentry->d_inode);
 out_lock:
 	unlock_dir(lower_dir_dentry);
 out:
-	return rc;
+	return inode;
 }
 
 /**
@@ -219,26 +219,26 @@ out:
  *
  * Returns zero on success
  */
-static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry)
+static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
+				    struct inode *ecryptfs_inode)
 {
 	struct ecryptfs_crypt_stat *crypt_stat =
-		&ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat;
+		&ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
 	int rc = 0;
 
-	if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) {
+	if (S_ISDIR(ecryptfs_inode->i_mode)) {
 		ecryptfs_printk(KERN_DEBUG, "This is a directory\n");
 		crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
 		goto out;
 	}
 	ecryptfs_printk(KERN_DEBUG, "Initializing crypto context\n");
-	rc = ecryptfs_new_file_context(ecryptfs_dentry);
+	rc = ecryptfs_new_file_context(ecryptfs_inode);
 	if (rc) {
 		ecryptfs_printk(KERN_ERR, "Error creating new file "
 				"context; rc = [%d]\n", rc);
 		goto out;
 	}
-	rc = ecryptfs_get_lower_file(ecryptfs_dentry,
-				     ecryptfs_dentry->d_inode);
+	rc = ecryptfs_get_lower_file(ecryptfs_dentry, ecryptfs_inode);
 	if (rc) {
 		printk(KERN_ERR "%s: Error attempting to initialize "
 			"the lower file for the dentry with name "
@@ -246,10 +246,10 @@ static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry)
 			ecryptfs_dentry->d_name.name, rc);
 		goto out;
 	}
-	rc = ecryptfs_write_metadata(ecryptfs_dentry);
+	rc = ecryptfs_write_metadata(ecryptfs_dentry, ecryptfs_inode);
 	if (rc)
 		printk(KERN_ERR "Error writing headers; rc = [%d]\n", rc);
-	ecryptfs_put_lower_file(ecryptfs_dentry->d_inode);
+	ecryptfs_put_lower_file(ecryptfs_inode);
 out:
 	return rc;
 }
@@ -269,18 +269,28 @@ static int
 ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry,
 		int mode, struct nameidata *nd)
 {
+	struct inode *ecryptfs_inode;
 	int rc;
 
-	/* ecryptfs_do_create() calls ecryptfs_interpose() */
-	rc = ecryptfs_do_create(directory_inode, ecryptfs_dentry, mode);
-	if (unlikely(rc)) {
+	ecryptfs_inode = ecryptfs_do_create(directory_inode, ecryptfs_dentry,
+					    mode);
+	if (unlikely(IS_ERR(ecryptfs_inode))) {
 		ecryptfs_printk(KERN_WARNING, "Failed to create file in"
 				"lower filesystem\n");
+		rc = PTR_ERR(ecryptfs_inode);
 		goto out;
 	}
 	/* At this point, a file exists on "disk"; we need to make sure
 	 * that this on disk file is prepared to be an ecryptfs file */
-	rc = ecryptfs_initialize_file(ecryptfs_dentry);
+	rc = ecryptfs_initialize_file(ecryptfs_dentry, ecryptfs_inode);
+	if (rc) {
+		drop_nlink(ecryptfs_inode);
+		unlock_new_inode(ecryptfs_inode);
+		iput(ecryptfs_inode);
+		goto out;
+	}
+	d_instantiate(ecryptfs_dentry, ecryptfs_inode);
+	unlock_new_inode(ecryptfs_inode);
 out:
 	return rc;
 }
-- 
GitLab


From 32001d6fe9ac6b0423e674a3093aa56740849f3b Mon Sep 17 00:00:00 2001
From: Tyler Hicks <tyhicks@canonical.com>
Date: Mon, 21 Nov 2011 17:31:29 -0600
Subject: [PATCH 0886/1594] eCryptfs: Flush file in vma close

Dirty pages weren't being written back when an mmap'ed eCryptfs file was
closed before the mapping was unmapped. Since f_ops->flush() is not
called by the munmap() path, the lower file was simply being released.
This patch flushes the eCryptfs file in the vm_ops->close() path.

https://launchpad.net/bugs/870326

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Cc: stable@kernel.org [2.6.39+]
---
 fs/ecryptfs/file.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index c6ac98cf9baa..d3f95f941c47 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -139,6 +139,27 @@ out:
 	return rc;
 }
 
+static void ecryptfs_vma_close(struct vm_area_struct *vma)
+{
+	filemap_write_and_wait(vma->vm_file->f_mapping);
+}
+
+static const struct vm_operations_struct ecryptfs_file_vm_ops = {
+	.close		= ecryptfs_vma_close,
+	.fault		= filemap_fault,
+};
+
+static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	int rc;
+
+	rc = generic_file_mmap(file, vma);
+	if (!rc)
+		vma->vm_ops = &ecryptfs_file_vm_ops;
+
+	return rc;
+}
+
 struct kmem_cache *ecryptfs_file_info_cache;
 
 /**
@@ -349,7 +370,7 @@ const struct file_operations ecryptfs_main_fops = {
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = ecryptfs_compat_ioctl,
 #endif
-	.mmap = generic_file_mmap,
+	.mmap = ecryptfs_file_mmap,
 	.open = ecryptfs_open,
 	.flush = ecryptfs_flush,
 	.release = ecryptfs_release,
-- 
GitLab


From 15ac2b08a2fd0f4aacbe8ae39788252fea6fbe63 Mon Sep 17 00:00:00 2001
From: Xander Hover <LKML@hover.be>
Date: Wed, 23 Nov 2011 16:40:31 -0500
Subject: [PATCH 0887/1594] b44: Use dev_kfree_skb_irq() in b44_tx()

Reported issues when using dev_kfree_skb() on UP systems and
systems with low numbers of cores.  dev_kfree_skb_irq() will
properly save IRQ state before freeing the skb.

Tested on 3.1.1 and 3.2_rc2

Example of reproducible trace of kernel 3.1.1
------------[ cut here ]------------
   WARNING: at kernel/softirq.c:159 local_bh_enable+0x32/0x79()
   ...
   Pid: 0, comm: swapper Not tainted 3.1.1-gentoo #1
   Call Trace:
    [<c1022970>] warn_slowpath_common+0x65/0x7a
    [<c102699e>] ? local_bh_enable+0x32/0x79
    [<c1022994>] warn_slowpath_null+0xf/0x13
    [<c102699e>] local_bh_enable+0x32/0x79
    [<c134bfd8>] destroy_conntrack+0x7c/0x9b
    [<c134890b>] nf_conntrack_destroy+0x1f/0x26
    [<c132e3a6>] skb_release_head_state+0x74/0x83
    [<c132e286>] __kfree_skb+0xb/0x6b
    [<c132e30a>] consume_skb+0x24/0x26
    [<c127c925>] b44_poll+0xaa/0x449
    [<c1333ca1>] net_rx_action+0x3f/0xea
    [<c1026a44>] __do_softirq+0x5f/0xd5
    [<c10269e5>] ? local_bh_enable+0x79/0x79
    <IRQ>  [<c1026c32>] ? irq_exit+0x34/0x8d
    [<c1003628>] ? do_IRQ+0x74/0x87
    [<c13f5329>] ? common_interrupt+0x29/0x30
    [<c1006e18>] ? default_idle+0x29/0x3e
    [<c10015a7>] ? cpu_idle+0x2f/0x5d
    [<c13e91c5>] ? rest_init+0x79/0x7b
    [<c15c66a9>] ? start_kernel+0x297/0x29c
    [<c15c60b0>] ? i386_start_kernel+0xb0/0xb7
   ---[ end trace 583f33bb1aa207a9 ]---

Signed-off-by: Xander Hover <LKML@hover.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/broadcom/b44.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index 4cf835dbc122..3fb66d09ece5 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -608,7 +608,7 @@ static void b44_tx(struct b44 *bp)
 				 skb->len,
 				 DMA_TO_DEVICE);
 		rp->skb = NULL;
-		dev_kfree_skb(skb);
+		dev_kfree_skb_irq(skb);
 	}
 
 	bp->tx_cons = cons;
-- 
GitLab


From 0f751e641a71157aa584c2a2e22fda52b52b8a56 Mon Sep 17 00:00:00 2001
From: Tyler Hicks <tyhicks@canonical.com>
Date: Wed, 23 Nov 2011 11:31:24 -0600
Subject: [PATCH 0888/1594] eCryptfs: Extend array bounds for all filename
 chars

From mhalcrow's original commit message:

    Characters with ASCII values greater than the size of
    filename_rev_map[] are valid filename characters.
    ecryptfs_decode_from_filename() will access kernel memory beyond
    that array, and ecryptfs_parse_tag_70_packet() will then decrypt
    those characters. The attacker, using the FNEK of the crafted file,
    can then re-encrypt the characters to reveal the kernel memory past
    the end of the filename_rev_map[] array. I expect low security
    impact since this array is statically allocated in the text area,
    and the amount of memory past the array that is accessible is
    limited by the largest possible ASCII filename character.

This patch solves the issue reported by mhalcrow but with an
implementation suggested by Linus to simply extend the length of
filename_rev_map[] to 256. Characters greater than 0x7A are mapped to
0x00, which is how invalid characters less than 0x7A were previously
being handled.

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Michael Halcrow <mhalcrow@google.com>
Cc: stable@kernel.org
---
 fs/ecryptfs/crypto.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 203a1fdff666..2a834255c75d 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1945,7 +1945,7 @@ static unsigned char *portable_filename_chars = ("-.0123456789ABCD"
 
 /* We could either offset on every reverse map or just pad some 0x00's
  * at the front here */
-static const unsigned char filename_rev_map[] = {
+static const unsigned char filename_rev_map[256] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 7 */
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 15 */
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 23 */
@@ -1961,7 +1961,7 @@ static const unsigned char filename_rev_map[] = {
 	0x00, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, /* 103 */
 	0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, /* 111 */
 	0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, /* 119 */
-	0x3D, 0x3E, 0x3F
+	0x3D, 0x3E, 0x3F /* 123 - 255 initialized to 0x00 */
 };
 
 /**
-- 
GitLab


From 4d0fe50c75a547088e4304e5eb5f521514dfae46 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 23 Nov 2011 17:29:23 -0500
Subject: [PATCH 0889/1594] ipv6: tcp: fix tcp_v6_conn_request()

Since linux 2.6.26 (commit c6aefafb7ec6 : Add IPv6 support to TCP SYN
cookies), we can drop a SYN packet reusing a TIME_WAIT socket.

(As a matter of fact we fail to send the SYNACK answer)

As the client resends its SYN packet after a one second timeout, we
accept it, because first packet removed the TIME_WAIT socket before
being dropped.

This probably explains why nobody ever noticed or complained.

Reported-by: Jesse Young <jlyo@jlyo.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/tcp_ipv6.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 36131d122a6f..2dea4bb7b54a 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1255,6 +1255,13 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	if (!want_cookie || tmp_opt.tstamp_ok)
 		TCP_ECN_create_request(req, tcp_hdr(skb));
 
+	treq->iif = sk->sk_bound_dev_if;
+
+	/* So that link locals have meaning */
+	if (!sk->sk_bound_dev_if &&
+	    ipv6_addr_type(&treq->rmt_addr) & IPV6_ADDR_LINKLOCAL)
+		treq->iif = inet6_iif(skb);
+
 	if (!isn) {
 		struct inet_peer *peer = NULL;
 
@@ -1264,12 +1271,6 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 			atomic_inc(&skb->users);
 			treq->pktopts = skb;
 		}
-		treq->iif = sk->sk_bound_dev_if;
-
-		/* So that link locals have meaning */
-		if (!sk->sk_bound_dev_if &&
-		    ipv6_addr_type(&treq->rmt_addr) & IPV6_ADDR_LINKLOCAL)
-			treq->iif = inet6_iif(skb);
 
 		if (want_cookie) {
 			isn = cookie_v6_init_sequence(sk, skb, &req->mss);
-- 
GitLab


From 685f94e6db8496399c881218018166515445a914 Mon Sep 17 00:00:00 2001
From: Jun Zhao <mypopydev@gmail.com>
Date: Tue, 22 Nov 2011 17:19:03 +0000
Subject: [PATCH 0890/1594] ipv4 : igmp : fix error handle in ip_mc_add_src()

When add sources to interface failure, need to roll back the sfcount[MODE]
to before state. We need to match it corresponding.

Acked-by: David L Stevens <dlstevens@us.ibm.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jun Zhao <mypopydev@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/igmp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index c7472eff2d51..b2ca095cb9da 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1716,7 +1716,8 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
 	if (err) {
 		int j;
 
-		pmc->sfcount[sfmode]--;
+		if (!delta)
+			pmc->sfcount[sfmode]--;
 		for (j=0; j<i; j++)
 			(void) ip_mc_del1_src(pmc, sfmode, &psfsrc[j]);
 	} else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) {
-- 
GitLab


From cc1b0765da6078b906772b79ff211b88cc0ae958 Mon Sep 17 00:00:00 2001
From: sricharan <r.sricharan@ti.com>
Date: Wed, 23 Nov 2011 14:35:07 -0800
Subject: [PATCH 0891/1594] ARM: OMAP: hwmod: Fix the addr space, irq, dma
 count APIs

The address spaces, irqs and dma reqs count APIs return the
number of corresponding entries in a hwmod including a additional
null value or a -1 terminator in the structure introduced recently.
More information here:

- 212738a4: omap_hwmod: use a terminator record with omap_hwmod_mpu_irqs
  arrays

- 78183f3f: omap_hwmod: use a null structure record to terminate
  omap_hwmod_addr_space arrays

- bc614958: omap_hwmod: use a terminator record with omap_hwmod_dma_info
  arrays

The issue with irqs and dma info was originally reported by Benoit Cousson.

The devices which have multiple hwmods and use device_build_ss are
broken with this, as their resources are populated with a extra null
value, subsequently the probe fails. So fix the API not to include
the array terminator in the count.

Reported-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimar@ti.com>
Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/omap_hwmod.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 6b3088db83b7..207a2ff9a8c4 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -749,7 +749,7 @@ static int _count_mpu_irqs(struct omap_hwmod *oh)
 		ohii = &oh->mpu_irqs[i++];
 	} while (ohii->irq != -1);
 
-	return i;
+	return i-1;
 }
 
 /**
@@ -772,7 +772,7 @@ static int _count_sdma_reqs(struct omap_hwmod *oh)
 		ohdi = &oh->sdma_reqs[i++];
 	} while (ohdi->dma_req != -1);
 
-	return i;
+	return i-1;
 }
 
 /**
@@ -795,7 +795,7 @@ static int _count_ocp_if_addr_spaces(struct omap_hwmod_ocp_if *os)
 		mem = &os->addr[i++];
 	} while (mem->pa_start != mem->pa_end);
 
-	return i;
+	return i-1;
 }
 
 /**
-- 
GitLab


From 46232a3622c6e33605906ee6690dfef372925f53 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@ti.com>
Date: Wed, 23 Nov 2011 14:43:01 -0800
Subject: [PATCH 0892/1594] ARM: OMAP: PM: only register TWL with voltage layer
 when device is present

Current code registers voltage layer details for TWL PMIC even when a TWL
has not been registered.  Fix this to only register the TWL with voltage
layer when the TWL PMIC is initialized by board-level code.

Signed-off-by: Kevin Hilman <khilman@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/pm.c         |  6 ++----
 arch/arm/mach-omap2/twl-common.c | 11 +++++++++++
 arch/arm/mach-omap2/twl-common.h |  3 +++
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 1e79bdf313e3..00bff46ca48b 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -24,6 +24,7 @@
 #include "powerdomain.h"
 #include "clockdomain.h"
 #include "pm.h"
+#include "twl-common.h"
 
 static struct omap_device_pm_latency *pm_lats;
 
@@ -226,11 +227,8 @@ postcore_initcall(omap2_common_pm_init);
 
 static int __init omap2_common_pm_late_init(void)
 {
-	/* Init the OMAP TWL parameters */
-	omap3_twl_init();
-	omap4_twl_init();
-
 	/* Init the voltage layer */
+	omap_pmic_late_init();
 	omap_voltage_late_init();
 
 	/* Initialize the voltages */
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index 522435772168..10b20c652e5d 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -30,6 +30,7 @@
 #include <plat/usb.h>
 
 #include "twl-common.h"
+#include "pm.h"
 
 static struct i2c_board_info __initdata pmic_i2c_board_info = {
 	.addr		= 0x48,
@@ -48,6 +49,16 @@ void __init omap_pmic_init(int bus, u32 clkrate,
 	omap_register_i2c_bus(bus, clkrate, &pmic_i2c_board_info, 1);
 }
 
+void __init omap_pmic_late_init(void)
+{
+	/* Init the OMAP TWL parameters (if PMIC has been registerd) */
+	if (!pmic_i2c_board_info.irq)
+		return;
+
+	omap3_twl_init();
+	omap4_twl_init();
+}
+
 #if defined(CONFIG_ARCH_OMAP3)
 static struct twl4030_usb_data omap3_usb_pdata = {
 	.usb_mode	= T2_USB_MODE_ULPI,
diff --git a/arch/arm/mach-omap2/twl-common.h b/arch/arm/mach-omap2/twl-common.h
index 5e83a5bd37fb..275dde8cb27a 100644
--- a/arch/arm/mach-omap2/twl-common.h
+++ b/arch/arm/mach-omap2/twl-common.h
@@ -1,6 +1,8 @@
 #ifndef __OMAP_PMIC_COMMON__
 #define __OMAP_PMIC_COMMON__
 
+#include <plat/irqs.h>
+
 #define TWL_COMMON_PDATA_USB		(1 << 0)
 #define TWL_COMMON_PDATA_BCI		(1 << 1)
 #define TWL_COMMON_PDATA_MADC		(1 << 2)
@@ -30,6 +32,7 @@ struct twl4030_platform_data;
 
 void omap_pmic_init(int bus, u32 clkrate, const char *pmic_type, int pmic_irq,
 		    struct twl4030_platform_data *pmic_data);
+void omap_pmic_late_init(void);
 
 static inline void omap2_pmic_init(const char *pmic_type,
 				   struct twl4030_platform_data *pmic_data)
-- 
GitLab


From 5a4f1844c2ba21f804d7729306d9b16eaeb724a8 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Wed, 23 Nov 2011 14:43:37 -0800
Subject: [PATCH 0893/1594] ARM: OMAP: smartreflex: fix IRQ handling bug

Fix a bug which has been on this driver since
it was added by the original commit 984aa6db
which would never clear IRQSTATUS bits.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/smartreflex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 6a4f6839a7d9..cf246b39bac7 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -139,7 +139,7 @@ static irqreturn_t sr_interrupt(int irq, void *data)
 		sr_write_reg(sr_info, ERRCONFIG_V1, status);
 	} else if (sr_info->ip_type == SR_TYPE_V2) {
 		/* Read the status bits */
-		sr_read_reg(sr_info, IRQSTATUS);
+		status = sr_read_reg(sr_info, IRQSTATUS);
 
 		/* Clear them by writing back */
 		sr_write_reg(sr_info, IRQSTATUS, status);
-- 
GitLab


From a8a6565c7615cab3608d75af95b5c8a3522cd7c4 Mon Sep 17 00:00:00 2001
From: Ming Lei <tom.leiming@gmail.com>
Date: Wed, 23 Nov 2011 14:44:50 -0800
Subject: [PATCH 0894/1594] ARM: OMAP2: select ARM_AMBA if OMAP3_EMU is defined

This patch selects ARM_AMBA if OMAP3_EMU is defined because
OC_ETM depends on ARM_AMBA, so fix the link failure[1].

[1],
arch/arm/kernel/built-in.o: In function `etm_remove':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:609: undefined
reference to `amba_release_regions'
arch/arm/kernel/built-in.o: In function `etb_remove':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:409: undefined
reference to `amba_release_regions'
arch/arm/kernel/built-in.o: In function `etm_init':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:640: undefined
reference to `amba_driver_register'
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:646: undefined
reference to `amba_driver_register'
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:648: undefined
reference to `amba_driver_unregister'
arch/arm/kernel/built-in.o: In function `etm_probe':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:545: undefined
reference to `amba_request_regions'
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:595: undefined
reference to `amba_release_regions'
arch/arm/kernel/built-in.o: In function `etb_probe':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:347: undefined
reference to `amba_request_regions'
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:392: undefined
reference to `amba_release_regions'
arch/arm/mach-omap2/built-in.o: In function `emu_init':
/home/tom/git/omap/linux-2.6-omap/arch/arm/mach-omap2/emu.c:62:
undefined reference to `amba_device_register'
/home/tom/git/omap/linux-2.6-omap/arch/arm/mach-omap2/emu.c:63:
undefined reference to `amba_device_register'
make: *** [.tmp_vmlinux1] Error 1
making modules

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 503414718905..e1293aa513d3 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -334,6 +334,7 @@ config MACH_OMAP4_PANDA
 config OMAP3_EMU
 	bool "OMAP3 debugging peripherals"
 	depends on ARCH_OMAP3
+	select ARM_AMBA
 	select OC_ETM
 	help
 	  Say Y here to enable debugging hardware of omap3
-- 
GitLab


From 52a2396249478018ea2e83d962a347d38d8cccbe Mon Sep 17 00:00:00 2001
From: Thomas Weber <weber@corscience.de>
Date: Wed, 23 Nov 2011 14:45:22 -0800
Subject: [PATCH 0895/1594] ARM: OMAP2+: Remove empty io.h

The file arch/arm/mach-omap2/io.h is empty, so we can remove it.

Signed-off-by: Thomas Weber <weber@corscience.de>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/io.h | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 arch/arm/mach-omap2/io.h

diff --git a/arch/arm/mach-omap2/io.h b/arch/arm/mach-omap2/io.h
deleted file mode 100644
index e69de29bb2d1..000000000000
-- 
GitLab


From 8770b07c2dff3cec2c751b289ee690137c88ea54 Mon Sep 17 00:00:00 2001
From: "Govindraj.R" <govindraj.raja@ti.com>
Date: Wed, 23 Nov 2011 14:45:37 -0800
Subject: [PATCH 0896/1594] ARM: OMAP2+: Fix Compilation error when omap_l3_noc
 built as module

Fix below compilation failure on mainline kernel 3.2-rc1
when omap_l3_noc.c is built as module.

arch/arm/mach-omap2/omap_l3_noc.c:240: error: expected ',' or ';' before 'MODULE_DEVICE_TABLE'

Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/omap_l3_noc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/omap_l3_noc.c b/arch/arm/mach-omap2/omap_l3_noc.c
index 6a66aa5e2a5b..d15225ff5c49 100644
--- a/arch/arm/mach-omap2/omap_l3_noc.c
+++ b/arch/arm/mach-omap2/omap_l3_noc.c
@@ -237,7 +237,7 @@ static int __devexit omap4_l3_remove(struct platform_device *pdev)
 static const struct of_device_id l3_noc_match[] = {
 	{.compatible = "ti,omap4-l3-noc", },
 	{},
-}
+};
 MODULE_DEVICE_TABLE(of, l3_noc_match);
 #else
 #define l3_noc_match NULL
-- 
GitLab


From 1d125bd52e1e1b9810a2d5a32a76147912fa4133 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Wed, 23 Nov 2011 03:54:08 +0000
Subject: [PATCH 0897/1594] bnx2x: Fix 5461x LED

Fix port identify test on 5461x PHY by driving LEDs through MDIO.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 .../net/ethernet/broadcom/bnx2x/bnx2x_link.c  | 39 ++++++++++++++++++-
 .../net/ethernet/broadcom/bnx2x/bnx2x_reg.h   |  1 +
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index bce203fa4b9e..882f48f0a03c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -10327,6 +10327,43 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
 	return 0;
 }
 
+
+static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
+				       struct link_params *params, u8 mode)
+{
+	struct bnx2x *bp = params->bp;
+	u16 temp;
+
+	bnx2x_cl22_write(bp, phy,
+		MDIO_REG_GPHY_SHADOW,
+		MDIO_REG_GPHY_SHADOW_LED_SEL1);
+	bnx2x_cl22_read(bp, phy,
+		MDIO_REG_GPHY_SHADOW,
+		&temp);
+	temp &= 0xff00;
+
+	DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
+	switch (mode) {
+	case LED_MODE_FRONT_PANEL_OFF:
+	case LED_MODE_OFF:
+		temp |= 0x00ee;
+		break;
+	case LED_MODE_OPER:
+		temp |= 0x0001;
+		break;
+	case LED_MODE_ON:
+		temp |= 0x00ff;
+		break;
+	default:
+		break;
+	}
+	bnx2x_cl22_write(bp, phy,
+		MDIO_REG_GPHY_SHADOW,
+		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
+	return;
+}
+
+
 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
 				     struct link_params *params)
 {
@@ -11103,7 +11140,7 @@ static struct bnx2x_phy phy_54618se = {
 	.config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
 	.format_fw_ver	= (format_fw_ver_t)NULL,
 	.hw_reset	= (hw_reset_t)NULL,
-	.set_link_led	= (set_link_led_t)NULL,
+	.set_link_led	= (set_link_led_t)bnx2x_5461x_set_link_led,
 	.phy_specific_func = (phy_specific_func_t)NULL
 };
 /*****************************************************************/
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index fc7bd0f23c0b..e58073ef33b4 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -6990,6 +6990,7 @@ Theotherbitsarereservedandshouldbezero*/
 #define MDIO_REG_INTR_MASK				0x1b
 #define MDIO_REG_INTR_MASK_LINK_STATUS			(0x1 << 1)
 #define MDIO_REG_GPHY_SHADOW				0x1c
+#define MDIO_REG_GPHY_SHADOW_LED_SEL1			(0x0d << 10)
 #define MDIO_REG_GPHY_SHADOW_LED_SEL2			(0x0e << 10)
 #define MDIO_REG_GPHY_SHADOW_WR_ENA			(0x1 << 15)
 #define MDIO_REG_GPHY_SHADOW_AUTO_DET_MED		(0x1e << 10)
-- 
GitLab


From 782428535e0819b5b7c9825cd3faa2ad37032a70 Mon Sep 17 00:00:00 2001
From: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Date: Wed, 23 Nov 2011 13:10:42 +0000
Subject: [PATCH 0898/1594] qlge: fix size of external list for TX address
 descriptors

When transmiting a fragmented skb, qlge fills a descriptor with the
fragment addresses, after DMA-mapping them. If there are more than eight
fragments, it will use the eighth descriptor as a pointer to an external
list. After mapping this external list, called OAL to a structure
containing more descriptors, it fills it with the extra fragments.

However, considering that systems with pages larger than 8KiB would have
less than 8 fragments, which was true before commit a715dea3c8e, it
defined a macro for the OAL size as 0 in those cases.

Now, if a skb with more than 8 fragments (counting skb->data as one
fragment), this would start overwriting the list of addresses already
mapped and would make the driver fail to properly unmap the right
addresses on architectures with pages larger than 8KiB.

Besides that, the list of mappings was one size too small, since it must
have a mapping for the maxinum number of skb fragments plus one for
skb->data and another for the OAL. So, even on architectures with page
sizes 4KiB and 8KiB, a skb with the maximum number of fragments would
make the driver overwrite its counter for the number of mappings, which,
again, would make it fail to unmap the mapped DMA addresses.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/qlogic/qlge/qlge.h | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h
index 8731f79c9efc..b8478aab050e 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge.h
+++ b/drivers/net/ethernet/qlogic/qlge/qlge.h
@@ -58,10 +58,8 @@
 
 
 #define TX_DESC_PER_IOCB 8
-/* The maximum number of frags we handle is based
- * on PAGE_SIZE...
- */
-#if (PAGE_SHIFT == 12) || (PAGE_SHIFT == 13)	/* 4k & 8k pages */
+
+#if ((MAX_SKB_FRAGS - TX_DESC_PER_IOCB) + 2) > 0
 #define TX_DESC_PER_OAL ((MAX_SKB_FRAGS - TX_DESC_PER_IOCB) + 2)
 #else /* all other page sizes */
 #define TX_DESC_PER_OAL 0
@@ -1353,7 +1351,7 @@ struct tx_ring_desc {
 	struct ob_mac_iocb_req *queue_entry;
 	u32 index;
 	struct oal oal;
-	struct map_list map[MAX_SKB_FRAGS + 1];
+	struct map_list map[MAX_SKB_FRAGS + 2];
 	int map_cnt;
 	struct tx_ring_desc *next;
 };
-- 
GitLab


From aa9084a01a7893a9f4bed98aa29081f15d403a88 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Wed, 23 Nov 2011 00:13:02 +0000
Subject: [PATCH 0899/1594] ehea: Reduce memory usage in buffer pools

Now that we enable multiqueue by default the ehea driver is using
quite a lot of memory for its buffer pools. With 4 queues we
consume 64MB in the jumbo packet ring, 16MB in the medium packet
ring and 16MB in the tiny packet ring.

We should only fill the jumbo ring once the MTU is increased but
for now halve it's size so it consumes 32MB. Also reduce the tiny
packet ring, with 4 queues we had 16k entries which is overkill.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/ibm/ehea/ehea.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h
index 410d6a1984ed..6650068c996c 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea.h
+++ b/drivers/net/ethernet/ibm/ehea/ehea.h
@@ -61,9 +61,9 @@
 #ifdef EHEA_SMALL_QUEUES
 #define EHEA_MAX_CQE_COUNT      1023
 #define EHEA_DEF_ENTRIES_SQ     1023
-#define EHEA_DEF_ENTRIES_RQ1    4095
+#define EHEA_DEF_ENTRIES_RQ1    1023
 #define EHEA_DEF_ENTRIES_RQ2    1023
-#define EHEA_DEF_ENTRIES_RQ3    1023
+#define EHEA_DEF_ENTRIES_RQ3    511
 #else
 #define EHEA_MAX_CQE_COUNT      4080
 #define EHEA_DEF_ENTRIES_SQ     4080
-- 
GitLab


From 67c170a24fc6669f8f7c0864d75caadef0a8e5e6 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Wed, 23 Nov 2011 00:13:54 +0000
Subject: [PATCH 0900/1594] ehea: Use round_jiffies_relative to align workqueue

Use round_jiffies_relative to align the ehea workqueue and avoid
extra wakeups.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/ibm/ehea/ehea_main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index 37b70f7052b6..bfeccbfde236 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -371,7 +371,8 @@ static void ehea_update_stats(struct work_struct *work)
 out_herr:
 	free_page((unsigned long)cb2);
 resched:
-	schedule_delayed_work(&port->stats_work, msecs_to_jiffies(1000));
+	schedule_delayed_work(&port->stats_work,
+			      round_jiffies_relative(msecs_to_jiffies(1000)));
 }
 
 static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes)
@@ -2434,7 +2435,8 @@ static int ehea_open(struct net_device *dev)
 	}
 
 	mutex_unlock(&port->port_lock);
-	schedule_delayed_work(&port->stats_work, msecs_to_jiffies(1000));
+	schedule_delayed_work(&port->stats_work,
+			      round_jiffies_relative(msecs_to_jiffies(1000)));
 
 	return ret;
 }
-- 
GitLab


From ac8a48106be49c422575ddc7531b776f8eb49610 Mon Sep 17 00:00:00 2001
From: Li Wei <lw@cn.fujitsu.com>
Date: Tue, 22 Nov 2011 23:33:10 +0000
Subject: [PATCH 0901/1594] ipv4: Save nexthop address of LSRR/SSRR option to
 IPCB.

We can not update iph->daddr in ip_options_rcv_srr(), It is too early.
When some exception ocurred later (eg. in ip_forward() when goto
sr_failed) we need the ip header be identical to the original one as
ICMP need it.

Add a field 'nexthop' in struct ip_options to save nexthop of LSRR
or SSRR option.

Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/inet_sock.h | 2 ++
 net/ipv4/ip_forward.c   | 2 +-
 net/ipv4/ip_options.c   | 5 +++--
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index b897d6e6d0a5..f941964a9931 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -31,6 +31,7 @@
 /** struct ip_options - IP Options
  *
  * @faddr - Saved first hop address
+ * @nexthop - Saved nexthop address in LSRR and SSRR
  * @is_data - Options in __data, rather than skb
  * @is_strictroute - Strict source route
  * @srr_is_hit - Packet destination addr was our one
@@ -41,6 +42,7 @@
  */
 struct ip_options {
 	__be32		faddr;
+	__be32		nexthop;
 	unsigned char	optlen;
 	unsigned char	srr;
 	unsigned char	rr;
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index 3b34d1c86270..29a07b6c7168 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -84,7 +84,7 @@ int ip_forward(struct sk_buff *skb)
 
 	rt = skb_rtable(skb);
 
-	if (opt->is_strictroute && ip_hdr(skb)->daddr != rt->rt_gateway)
+	if (opt->is_strictroute && opt->nexthop != rt->rt_gateway)
 		goto sr_failed;
 
 	if (unlikely(skb->len > dst_mtu(&rt->dst) && !skb_is_gso(skb) &&
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 05d20cca9d66..1e60f7679075 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -568,12 +568,13 @@ void ip_forward_options(struct sk_buff *skb)
 		     ) {
 			if (srrptr + 3 > srrspace)
 				break;
-			if (memcmp(&ip_hdr(skb)->daddr, &optptr[srrptr-1], 4) == 0)
+			if (memcmp(&opt->nexthop, &optptr[srrptr-1], 4) == 0)
 				break;
 		}
 		if (srrptr + 3 <= srrspace) {
 			opt->is_changed = 1;
 			ip_rt_get_source(&optptr[srrptr-1], skb, rt);
+			ip_hdr(skb)->daddr = opt->nexthop;
 			optptr[2] = srrptr+4;
 		} else if (net_ratelimit())
 			printk(KERN_CRIT "ip_forward(): Argh! Destination lost!\n");
@@ -640,7 +641,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
 	}
 	if (srrptr <= srrspace) {
 		opt->srr_is_hit = 1;
-		iph->daddr = nexthop;
+		opt->nexthop = nexthop;
 		opt->is_changed = 1;
 	}
 	return 0;
-- 
GitLab


From bd20817f733ceb0291e0449106307ffc939006ba Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Tue, 15 Nov 2011 10:13:24 +0100
Subject: [PATCH 0902/1594] virtio: add HAS_IOMEM dependency to MMIO platform
 bus driver

Fix this compile error on s390:

  CC [M]  drivers/virtio/virtio_mmio.o
drivers/virtio/virtio_mmio.c: In function 'vm_get_features':
drivers/virtio/virtio_mmio.c:107:2: error: implicit declaration of function 'writel'

Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/virtio/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 816ed08e7cf3..1a61939b85fc 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -37,7 +37,7 @@ config VIRTIO_BALLOON
 
  config VIRTIO_MMIO
  	tristate "Platform bus driver for memory mapped virtio devices (EXPERIMENTAL)"
- 	depends on EXPERIMENTAL
+ 	depends on HAS_IOMEM && EXPERIMENTAL
  	select VIRTIO
  	select VIRTIO_RING
  	---help---
-- 
GitLab


From fe1a7fe2c4456679b3402f04268bdfafca7b127a Mon Sep 17 00:00:00 2001
From: Sasha Levin <levinsasha928@gmail.com>
Date: Tue, 15 Nov 2011 16:17:18 +0200
Subject: [PATCH 0903/1594] virtio-mmio: Correct the name of the guest features
 selector

Guest features selector spelling mistake.

Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/virtio/virtio_mmio.c | 2 +-
 include/linux/virtio_mmio.h  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index acc5e43c373e..7317dc2ec426 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -118,7 +118,7 @@ static void vm_finalize_features(struct virtio_device *vdev)
 	vring_transport_features(vdev);
 
 	for (i = 0; i < ARRAY_SIZE(vdev->features); i++) {
-		writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SET);
+		writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
 		writel(vdev->features[i],
 				vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
 	}
diff --git a/include/linux/virtio_mmio.h b/include/linux/virtio_mmio.h
index 27c7edefbc86..5c7b6f0daef8 100644
--- a/include/linux/virtio_mmio.h
+++ b/include/linux/virtio_mmio.h
@@ -63,7 +63,7 @@
 #define VIRTIO_MMIO_GUEST_FEATURES	0x020
 
 /* Activated features set selector - Write Only */
-#define VIRTIO_MMIO_GUEST_FEATURES_SET	0x024
+#define VIRTIO_MMIO_GUEST_FEATURES_SEL	0x024
 
 /* Guest's memory page size in bytes - Write Only */
 #define VIRTIO_MMIO_GUEST_PAGE_SIZE	0x028
-- 
GitLab


From e6af578c5305be693a1bc7f4dc7b51dd82d41425 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Thu, 17 Nov 2011 17:41:15 +0200
Subject: [PATCH 0904/1594] virtio-pci: make reset operation safer

virtio pci device reset actually just does an I/O
write, which in PCI is really posted, that is it
can complete on CPU before the device has received it.

Further, interrupts might have been pending on
another CPU, so device callback might get invoked after reset.

This conflicts with how drivers use reset, which is typically:
	reset
	unregister
a callback running after reset completed can race with
unregister, potentially leading to use after free bugs.

Fix by flushing out the write, and flushing pending interrupts.

This assumes that device is never reset from
its vq/config callbacks, or in parallel with being
added/removed, document this assumption.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 drivers/virtio/virtio_pci.c   | 18 ++++++++++++++++++
 include/linux/virtio_config.h |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 3d1bf41e8892..03d1984bd363 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -169,11 +169,29 @@ static void vp_set_status(struct virtio_device *vdev, u8 status)
 	iowrite8(status, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
 }
 
+/* wait for pending irq handlers */
+static void vp_synchronize_vectors(struct virtio_device *vdev)
+{
+	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
+	int i;
+
+	if (vp_dev->intx_enabled)
+		synchronize_irq(vp_dev->pci_dev->irq);
+
+	for (i = 0; i < vp_dev->msix_vectors; ++i)
+		synchronize_irq(vp_dev->msix_entries[i].vector);
+}
+
 static void vp_reset(struct virtio_device *vdev)
 {
 	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
 	/* 0 status means a reset. */
 	iowrite8(0, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
+	/* Flush out the status write, and flush in device writes,
+	 * including MSi-X interrupts, if any. */
+	ioread8(vp_dev->ioaddr + VIRTIO_PCI_STATUS);
+	/* Flush pending VQ/configuration callbacks. */
+	vp_synchronize_vectors(vdev);
 }
 
 /* the notify function used when creating a virt queue */
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index add4790b21fe..e9e72bda1b72 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -85,6 +85,8 @@
  * @reset: reset the device
  *	vdev: the virtio device
  *	After this, status and feature negotiation must be done again
+ *	Device must not be reset from its vq/config callbacks, or in
+ *	parallel with being added/removed.
  * @find_vqs: find virtqueues and instantiate them.
  *	vdev: the virtio_device
  *	nvqs: the number of virtqueues to find
-- 
GitLab


From caca6a03d365883564885f2c1da3e88dcf65d139 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 23 Nov 2011 20:20:28 -0800
Subject: [PATCH 0905/1594] Linux 3.2-rc3

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index dab8610c4d6f..3a8f0640cda0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc3
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
-- 
GitLab


From c3c3ced77fd1949af753be7731bfdadae88a226b Mon Sep 17 00:00:00 2001
From: Roy Zang <tie-fei.zang@freescale.com>
Date: Mon, 7 Nov 2011 16:32:58 +0800
Subject: [PATCH 0906/1594] powerpc/p1023: set IRQ[4:6,11] to active-high level
 sensitive for PCIe

P1023 external IRQ[4:6, 11] are not pin out, but the interrupts are
utilized by the PCIe controllers.  As they are not exposed as pins we
need to set them as active-high (internal to the SoC these interrupts
are pulled down).

IRQs[0:3,7:10] are pulled up on the board so we have them set as
active-low.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/p1023rds.dts | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/boot/dts/p1023rds.dts b/arch/powerpc/boot/dts/p1023rds.dts
index d9b776740a67..d3b478242ea9 100644
--- a/arch/powerpc/boot/dts/p1023rds.dts
+++ b/arch/powerpc/boot/dts/p1023rds.dts
@@ -449,6 +449,7 @@
 			interrupt-parent = <&mpic>;
 			interrupts = <16 2>;
 			interrupt-map-mask = <0xf800 0 0 7>;
+			/* IRQ[0:3] are pulled up on board, set to active-low */
 			interrupt-map = <
 				/* IDSEL 0x0 */
 				0000 0 0 1 &mpic 0 1
@@ -488,11 +489,15 @@
 			interrupt-parent = <&mpic>;
 			interrupts = <16 2>;
 			interrupt-map-mask = <0xf800 0 0 7>;
+			/*
+			 * IRQ[4:6] only for PCIe, set to active-high,
+			 * IRQ[7] is pulled up on board, set to active-low
+			 */
 			interrupt-map = <
 				/* IDSEL 0x0 */
-				0000 0 0 1 &mpic 4 1
-				0000 0 0 2 &mpic 5 1
-				0000 0 0 3 &mpic 6 1
+				0000 0 0 1 &mpic 4 2
+				0000 0 0 2 &mpic 5 2
+				0000 0 0 3 &mpic 6 2
 				0000 0 0 4 &mpic 7 1
 				>;
 			ranges = <0x2000000 0x0 0xa0000000
@@ -527,12 +532,16 @@
 			interrupt-parent = <&mpic>;
 			interrupts = <16 2>;
 			interrupt-map-mask = <0xf800 0 0 7>;
+			/*
+			 * IRQ[8:10] are pulled up on board, set to active-low
+			 * IRQ[11] only for PCIe, set to active-high,
+			 */
 			interrupt-map = <
 				/* IDSEL 0x0 */
 				0000 0 0 1 &mpic 8 1
 				0000 0 0 2 &mpic 9 1
 				0000 0 0 3 &mpic 10 1
-				0000 0 0 4 &mpic 11 1
+				0000 0 0 4 &mpic 11 2
 				>;
 			ranges = <0x2000000 0x0 0x80000000
 				  0x2000000 0x0 0x80000000
-- 
GitLab


From a92282524aee149de0014eef10a0771d1d19821f Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Sun, 13 Nov 2011 00:50:30 +0100
Subject: [PATCH 0907/1594] powerpc/p3060qds: Fix select of 'MPC8xxx_GPIO'

The driver for the Freescale P3060 QDS got added by commit 96cc017c5b
("[...] Add support for P3060QDS board"). Its Kconfig entry selects
MPC8xxx_GPIO. But at the time that driver got added MPC8xxx_GPIO was
already renamed to GPIO_MPC8XXX, by commit c68308dd50c ("gpio: move
mpc8xxx/512x gpio driver to drivers/gpio").

So make this driver select GPIO_MPC8XXX.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/platforms/85xx/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 45023e26aea3..d7946be298b6 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -203,7 +203,7 @@ config P3060_QDS
 	select PPC_E500MC
 	select PHYS_64BIT
 	select SWIOTLB
-	select MPC8xxx_GPIO
+	select GPIO_MPC8XXX
 	select HAS_RAPIDIO
 	select PPC_EPAPR_HV_PIC
 	help
-- 
GitLab


From 05011f370a4f549da69f3841e319043728f65542 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Sun, 20 Nov 2011 09:58:11 -0600
Subject: [PATCH 0908/1594] powerpc/85xx: Fix compile error on p3060_qds.c

arch/powerpc/platforms/85xx/p3060_qds.c: In function '__machine_initcall_p3060_qds_declare_of_platform_devices':
arch/powerpc/platforms/85xx/p3060_qds.c:73:1: error: implicit declaration of function 'declare_of_platform_devices'

declare_of_platform_devices should have been corenet_ds_publish_devices.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/platforms/85xx/p3060_qds.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/85xx/p3060_qds.c b/arch/powerpc/platforms/85xx/p3060_qds.c
index 01dcf44871e9..081cf4ac1881 100644
--- a/arch/powerpc/platforms/85xx/p3060_qds.c
+++ b/arch/powerpc/platforms/85xx/p3060_qds.c
@@ -70,7 +70,7 @@ define_machine(p3060_qds) {
 	.power_save		= e500_idle,
 };
 
-machine_device_initcall(p3060_qds, declare_of_platform_devices);
+machine_device_initcall(p3060_qds, corenet_ds_publish_devices);
 
 #ifdef CONFIG_SWIOTLB
 machine_arch_initcall(p3060_qds, swiotlb_setup_bus_notifier);
-- 
GitLab


From 42d623a8cd08eb93ab221d22cee5a62618895bbf Mon Sep 17 00:00:00 2001
From: Christoph Lameter <cl@linux.com>
Date: Wed, 23 Nov 2011 09:14:38 -0600
Subject: [PATCH 0909/1594] slub: use irqsafe_cpu_cmpxchg for put_cpu_partial

The cmpxchg must be irq safe. The fallback for this_cpu_cmpxchg only
disables preemption which results in per cpu partial page operation
potentially failing on non x86 platforms.

This patch fixes the following problem reported by Christian Kujau:

  I seem to hit it with heavy disk & cpu IO is in progress on this
  PowerBook
  G4. Full dmesg & .config: http://nerdbynature.de/bits/3.2.0-rc1/oops/

  I've enabled some debug options and now it really points to slub.c:2166

    http://nerdbynature.de/bits/3.2.0-rc1/oops/oops4m.jpg

  With debug options enabled I'm currently in the xmon debugger, not sure
  what to make of it yet, I'll try to get something useful out of it :)

Reported-by: Christian Kujau <lists@nerdbynature.de>
Tested-by: Christian Kujau <lists@nerdbynature.de>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
 mm/slub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slub.c b/mm/slub.c
index 00efbb56a268..2a9cfd72a3d7 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1978,7 +1978,7 @@ int put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
 		page->pobjects = pobjects;
 		page->next = oldpage;
 
-	} while (this_cpu_cmpxchg(s->cpu_slab->partial, oldpage, page) != oldpage);
+	} while (irqsafe_cpu_cmpxchg(s->cpu_slab->partial, oldpage, page) != oldpage);
 	stat(s, CPU_PARTIAL_FREE);
 	return pobjects;
 }
-- 
GitLab


From bc6697d8a506dedf09e8e9974ffa3a316183e608 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 22 Nov 2011 16:02:02 +0100
Subject: [PATCH 0910/1594] slub: avoid potential NULL dereference or
 corruption

show_slab_objects() can trigger NULL dereferences or memory corruption.

Another cpu can change its c->page to NULL or c->node to NUMA_NO_NODE
while we use them.

Use ACCESS_ONCE(c->page) and ACCESS_ONCE(c->node) to make sure this
cannot happen.

Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
 mm/slub.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 2a9cfd72a3d7..ed3334d9b6da 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4444,30 +4444,31 @@ static ssize_t show_slab_objects(struct kmem_cache *s,
 
 		for_each_possible_cpu(cpu) {
 			struct kmem_cache_cpu *c = per_cpu_ptr(s->cpu_slab, cpu);
+			int node = ACCESS_ONCE(c->node);
 			struct page *page;
 
-			if (!c || c->node < 0)
+			if (node < 0)
 				continue;
-
-			if (c->page) {
-					if (flags & SO_TOTAL)
-						x = c->page->objects;
+			page = ACCESS_ONCE(c->page);
+			if (page) {
+				if (flags & SO_TOTAL)
+					x = page->objects;
 				else if (flags & SO_OBJECTS)
-					x = c->page->inuse;
+					x = page->inuse;
 				else
 					x = 1;
 
 				total += x;
-				nodes[c->node] += x;
+				nodes[node] += x;
 			}
 			page = c->partial;
 
 			if (page) {
 				x = page->pobjects;
-                                total += x;
-                                nodes[c->node] += x;
+				total += x;
+				nodes[node] += x;
 			}
-			per_cpu[c->node]++;
+			per_cpu[node]++;
 		}
 	}
 
-- 
GitLab


From ae5f8c19827493e5a8d48c2c6a8a92201a94f08b Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Date: Tue, 23 Aug 2011 14:30:05 +0200
Subject: [PATCH 0911/1594] powerpc/qe: Fixup QE_General4 errata

QE_General4 should only round up the divisor iff divisor is > 3.
Rounding up lower divisors makes the error too big, causing USB
on MPC832x to fail.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/sysdev/qe_lib/qe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index 3363fbc964f8..ceb09cbd2329 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -216,7 +216,7 @@ int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier)
 	/* Errata QE_General4, which affects some MPC832x and MPC836x SOCs, says
 	   that the BRG divisor must be even if you're not using divide-by-16
 	   mode. */
-	if (!div16 && (divisor & 1))
+	if (!div16 && (divisor & 1) && (divisor > 3))
 		divisor++;
 
 	tempval = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) |
-- 
GitLab


From 86f9a4330580b4ed3d5f7d5b0989ae69518c90f5 Mon Sep 17 00:00:00 2001
From: Shaohui Xie <Shaohui.Xie@freescale.com>
Date: Tue, 15 Nov 2011 14:52:22 -0800
Subject: [PATCH 0912/1594] drivers/edac/mpc85xx_edac.c: fix memory controller
 compatible for edac

compatible in dts has been changed, so the driver needs to be updated
accordingly.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 drivers/edac/mpc85xx_edac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 8af8e864a9cf..73464a62adf7 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -1128,7 +1128,7 @@ static struct of_device_id mpc85xx_mc_err_of_match[] = {
 	{ .compatible = "fsl,p1020-memory-controller", },
 	{ .compatible = "fsl,p1021-memory-controller", },
 	{ .compatible = "fsl,p2020-memory-controller", },
-	{ .compatible = "fsl,p4080-memory-controller", },
+	{ .compatible = "fsl,qoriq-memory-controller", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, mpc85xx_mc_err_of_match);
-- 
GitLab


From 7145cf12095265b8a292835d0f6da87f89fac1d1 Mon Sep 17 00:00:00 2001
From: Alexandre Rusev <arusev@dev.rtsoft.ru>
Date: Thu, 27 Oct 2011 18:18:37 +0400
Subject: [PATCH 0913/1594] powerpc/fsl-lbc: Fix for fsl_upm

If Freescale LBC driver fails to initialise itself from device tree, then
internal structure is freed only but not NULL-fied.  As result functions
fsl_lbc_find() after checking the structure is not NULL are trying to
access device registers.

Signed-off-by: Alexandre Rusev <arusev@dev.rtsoft.ru>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/sysdev/fsl_lbc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c
index c4d96fa32ba5..d5c3c90ee698 100644
--- a/arch/powerpc/sysdev/fsl_lbc.c
+++ b/arch/powerpc/sysdev/fsl_lbc.c
@@ -328,6 +328,7 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev)
 err:
 	iounmap(fsl_lbc_ctrl_dev->regs);
 	kfree(fsl_lbc_ctrl_dev);
+	fsl_lbc_ctrl_dev = NULL;
 	return ret;
 }
 
-- 
GitLab


From e3854b6e25d1b092c30c5f81a04fe6fc839b1e26 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Mon, 8 Aug 2011 13:18:02 +0200
Subject: [PATCH 0914/1594] arch/powerpc/sysdev/ehv_pic.c: add missing kfree

At this point, ehv_pic has been allocated but not stored anywhere, so it
should be freed before leaving the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@exists@
local idexpression x;
statement S,S1;
expression E;
identifier fl;
expression *ptr != NULL;
@@

x = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
     when != if (...) { <+...kfree(x)...+> }
     when any
     when != true x == NULL
x->fl
...>
(
if (x == NULL) S1
|
if (...) { ... when != x
               when forall
(
 return \(0\|<+...x...+>\|ptr\);
|
* return ...;
)
}
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/sysdev/ehv_pic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
index af1a5df46b3e..b6731e4a6646 100644
--- a/arch/powerpc/sysdev/ehv_pic.c
+++ b/arch/powerpc/sysdev/ehv_pic.c
@@ -280,6 +280,7 @@ void __init ehv_pic_init(void)
 
 	if (!ehv_pic->irqhost) {
 		of_node_put(np);
+		kfree(ehv_pic);
 		return;
 	}
 
-- 
GitLab


From 1b6cec8a6910ca08d727898453baad22b0122920 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Tue, 22 Nov 2011 15:15:57 +0900
Subject: [PATCH 0915/1594] ARM: mach-shmobile: Kota2 PINT fix

Support PINT on sh73a0 and Kota2 using INTC PINT macros.

With this patch applied the Kota2 ethernet is handled
through one of the chained sh73a0 PINT interrupt controllers.

sh73a0 PINT support is included in 3.2-rc but the Kota2 board
code does not make use of this shared code base without this
patch. Without this patch kota2 on-board ethernet is broken.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/board-kota2.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index bd9a78424d6b..5e084b9a8404 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -56,7 +56,7 @@ static struct resource smsc9220_resources[] = {
 		.flags		= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start		= gic_spi(33), /* PINTA2 @ PORT144 */
+		.start		= SH73A0_PINT0_IRQ(2), /* PINTA2 */
 		.flags		= IORESOURCE_IRQ,
 	},
 };
@@ -317,18 +317,6 @@ static void __init kota2_map_io(void)
 	shmobile_setup_console();
 }
 
-#define PINTER0A	0xe69000a0
-#define PINTCR0A	0xe69000b0
-
-void __init kota2_init_irq(void)
-{
-	sh73a0_init_irq();
-
-	/* setup PINT: enable PINTA2 as active low */
-	__raw_writel(1 << 29, PINTER0A);
-	__raw_writew(2 << 10, PINTCR0A);
-}
-
 static void __init kota2_init(void)
 {
 	sh73a0_pinmux_init();
@@ -447,7 +435,7 @@ struct sys_timer kota2_timer = {
 
 MACHINE_START(KOTA2, "kota2")
 	.map_io		= kota2_map_io,
-	.init_irq	= kota2_init_irq,
+	.init_irq	= sh73a0_init_irq,
 	.handle_irq	= shmobile_handle_irq_gic,
 	.init_machine	= kota2_init,
 	.timer		= &kota2_timer,
-- 
GitLab


From dcb4ea869877b00fd1c761662bfd9359d15a8c2a Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Tue, 22 Nov 2011 15:29:54 +0900
Subject: [PATCH 0916/1594] ARM: mach-shmobile: Kota2 GIC Sparse IRQ fix

Fix IRQ support on the Kota2 board. The sh73a0 and the Kota2
board make use of the ARM GIC hardware block as main interrupt
controller. The following commit changed the default behaviour
for non-device tree platforms and broke Kota2 irq support:

f37a53c ARM: gic: fix irq_alloc_descs handling for sparse irq

Without this fix the following warning triggers at boot:

NR_IRQS:1024 nr_irqs:1024 1024
------------[ cut here ]------------
WARNING: at arch/arm/common/gic.c:607 gic_init+0x90/0x2e4()
Cannot allocate irq_descs @ IRQ16, assuming pre-allocated
[<c000c868>] (unwind_backtrace+0x0/0xe0) from [<c001857c>] (warn_slowpath_commo)
[<c001857c>] (warn_slowpath_common+0x48/0x60) from [<c00185d8>] (warn_slowpath_)
[<c00185d8>] (warn_slowpath_fmt+0x2c/0x3c) from [<c029ee08>] (gic_init+0x90/0x2)
[<c029ee08>] (gic_init+0x90/0x2e4) from [<c029f278>] (sh73a0_init_irq+0x30/0x18)
[<c029f278>] (sh73a0_init_irq+0x30/0x184) from [<c029c0b4>] (init_IRQ+0x14/0x1c)
[<c029c0b4>] (init_IRQ+0x14/0x1c) from [<c029a5cc>] (start_kernel+0x15c/0x2b8)
[<c029a5cc>] (start_kernel+0x15c/0x2b8) from [<4000803c>] (0x4000803c)
---[ end trace 1b75b31a2719ed1c ]---

With this fix applied interrupts work as expected.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/board-kota2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index 5e084b9a8404..53e5e45521aa 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -435,6 +435,7 @@ struct sys_timer kota2_timer = {
 
 MACHINE_START(KOTA2, "kota2")
 	.map_io		= kota2_map_io,
+	.nr_irqs	= NR_IRQS_LEGACY,
 	.init_irq	= sh73a0_init_irq,
 	.handle_irq	= shmobile_handle_irq_gic,
 	.init_machine	= kota2_init,
-- 
GitLab


From 33661c9e2062865acde9d421c971f1c142cf99ca Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Tue, 22 Nov 2011 15:44:58 +0900
Subject: [PATCH 0917/1594] ARM: mach-shmobile: Kota2 TPU LED platform data

This patch updates the Kota2 board support code to
use the recently merged TPU LED driver whenever
possible.

The sh73a0 SoC has 5 TPU hardware blocks each with
4 timer channels which in theory allows a total of
20 LEDs to be controlled by "leds-renesas-tpu"
driver instances. The Kota2 board has 4 LEDs connected
to GPIO pins that also come with TPU pin functions, so
this patch ties up these 4 LEDS and leaves the remaining
3 LEDS for the GPIO based LED driver.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/board-kota2.c  | 122 +++++++++++++++++++++++++-
 arch/arm/mach-shmobile/clock-sh73a0.c |  16 ++++
 2 files changed, 134 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index 53e5e45521aa..f44150b5ae46 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -33,6 +33,7 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/gpio_keys.h>
 #include <linux/leds.h>
+#include <linux/platform_data/leds-renesas-tpu.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/mfd/tmio.h>
@@ -157,10 +158,6 @@ static struct platform_device gpio_keys_device = {
 #define GPIO_LED(n, g) { .name = n, .gpio = g }
 
 static struct gpio_led gpio_leds[] = {
-	GPIO_LED("V2513", GPIO_PORT153), /* PORT153 [TPU1T02] -> V2513 */
-	GPIO_LED("V2514", GPIO_PORT199), /* PORT199 [TPU4TO1] -> V2514 */
-	GPIO_LED("V2515", GPIO_PORT197), /* PORT197 [TPU2TO1] -> V2515 */
-	GPIO_LED("KEYLED", GPIO_PORT163), /* PORT163 [TPU3TO0] -> KEYLED */
 	GPIO_LED("G", GPIO_PORT20), /* PORT20 [GPO0] -> LED7 -> "G" */
 	GPIO_LED("H", GPIO_PORT21), /* PORT21 [GPO1] -> LED8 -> "H" */
 	GPIO_LED("J", GPIO_PORT22), /* PORT22 [GPO2] -> LED9 -> "J" */
@@ -179,6 +176,119 @@ static struct platform_device gpio_leds_device = {
 	},
 };
 
+/* TPU LED */
+static struct led_renesas_tpu_config led_renesas_tpu12_pdata = {
+	.name		= "V2513",
+	.pin_gpio_fn	= GPIO_FN_TPU1TO2,
+	.pin_gpio	= GPIO_PORT153,
+	.channel_offset = 0x90,
+	.timer_bit = 2,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu12_resources[] = {
+	[0] = {
+		.name	= "TPU12",
+		.start	= 0xe6610090,
+		.end	= 0xe66100b5,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu12_device = {
+	.name = "leds-renesas-tpu",
+	.id = 12,
+	.dev = {
+		.platform_data  = &led_renesas_tpu12_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu12_resources),
+	.resource	= tpu12_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu41_pdata = {
+	.name		= "V2514",
+	.pin_gpio_fn	= GPIO_FN_TPU4TO1,
+	.pin_gpio	= GPIO_PORT199,
+	.channel_offset = 0x50,
+	.timer_bit = 1,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu41_resources[] = {
+	[0] = {
+		.name	= "TPU41",
+		.start	= 0xe6640050,
+		.end	= 0xe6640075,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu41_device = {
+	.name = "leds-renesas-tpu",
+	.id = 41,
+	.dev = {
+		.platform_data  = &led_renesas_tpu41_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu41_resources),
+	.resource	= tpu41_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu21_pdata = {
+	.name		= "V2515",
+	.pin_gpio_fn	= GPIO_FN_TPU2TO1,
+	.pin_gpio	= GPIO_PORT197,
+	.channel_offset = 0x50,
+	.timer_bit = 1,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu21_resources[] = {
+	[0] = {
+		.name	= "TPU21",
+		.start	= 0xe6620050,
+		.end	= 0xe6620075,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu21_device = {
+	.name = "leds-renesas-tpu",
+	.id = 21,
+	.dev = {
+		.platform_data  = &led_renesas_tpu21_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu21_resources),
+	.resource	= tpu21_resources,
+};
+
+static struct led_renesas_tpu_config led_renesas_tpu30_pdata = {
+	.name		= "KEYLED",
+	.pin_gpio_fn	= GPIO_FN_TPU3TO0,
+	.pin_gpio	= GPIO_PORT163,
+	.channel_offset = 0x10,
+	.timer_bit = 0,
+	.max_brightness = 1000,
+};
+
+static struct resource tpu30_resources[] = {
+	[0] = {
+		.name	= "TPU30",
+		.start	= 0xe6630010,
+		.end	= 0xe6630035,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device leds_tpu30_device = {
+	.name = "leds-renesas-tpu",
+	.id = 30,
+	.dev = {
+		.platform_data  = &led_renesas_tpu30_pdata,
+	},
+	.num_resources	= ARRAY_SIZE(tpu30_resources),
+	.resource	= tpu30_resources,
+};
+
 /* MMCIF */
 static struct resource mmcif_resources[] = {
 	[0] = {
@@ -291,6 +401,10 @@ static struct platform_device *kota2_devices[] __initdata = {
 	&keysc_device,
 	&gpio_keys_device,
 	&gpio_leds_device,
+	&leds_tpu12_device,
+	&leds_tpu41_device,
+	&leds_tpu21_device,
+	&leds_tpu30_device,
 	&mmcif_device,
 	&sdhi0_device,
 	&sdhi1_device,
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 61a846bb30f2..a56d6c63b71e 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -113,6 +113,12 @@ static struct clk main_clk = {
 	.ops		= &main_clk_ops,
 };
 
+/* Divide Main clock by two */
+static struct clk main_div2_clk = {
+	.ops		= &div2_clk_ops,
+	.parent		= &main_clk,
+};
+
 /* PLL0, PLL1, PLL2, PLL3 */
 static unsigned long pll_recalc(struct clk *clk)
 {
@@ -181,6 +187,7 @@ static struct clk *main_clks[] = {
 	&extal1_div2_clk,
 	&extal2_div2_clk,
 	&main_clk,
+	&main_div2_clk,
 	&pll0_clk,
 	&pll1_clk,
 	&pll2_clk,
@@ -268,6 +275,7 @@ enum { MSTP001,
 	MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
 	MSTP331, MSTP329, MSTP325, MSTP323, MSTP318,
 	MSTP314, MSTP313, MSTP312, MSTP311,
+	MSTP303, MSTP302, MSTP301, MSTP300,
 	MSTP411, MSTP410, MSTP403,
 	MSTP_NR };
 
@@ -301,6 +309,10 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
 	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
 	[MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */
+	[MSTP303] = MSTP(&main_div2_clk, SMSTPCR3, 3, 0), /* TPU1 */
+	[MSTP302] = MSTP(&main_div2_clk, SMSTPCR3, 2, 0), /* TPU2 */
+	[MSTP301] = MSTP(&main_div2_clk, SMSTPCR3, 1, 0), /* TPU3 */
+	[MSTP300] = MSTP(&main_div2_clk, SMSTPCR3, 0, 0), /* TPU4 */
 	[MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */
 	[MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */
 	[MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
@@ -350,6 +362,10 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.30", &mstp_clks[MSTP301]), /* TPU3 */
+	CLKDEV_DEV_ID("leds-renesas-tpu.41", &mstp_clks[MSTP300]), /* TPU4 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
 	CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */
 	CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
-- 
GitLab


From eded9143151a116753b1d8e893bc2d37f8687e0b Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Tue, 22 Nov 2011 15:31:40 +0900
Subject: [PATCH 0918/1594] ARM: mach-shmobile: AG5EVM GIC Sparse IRQ fix

Fix IRQ support on the AG5EVM board. The sh73a0 and the AG5EVM
board make use of the ARM GIC hardware block as main interrupt
controller. The following commit changed the default behaviour
for non-device tree platforms and broke AG5EVM irq support:

f37a53c ARM: gic: fix irq_alloc_descs handling for sparse irq

Without this fix the following warning triggers at boot:

NR_IRQS:1024 nr_irqs:1024 1024
------------[ cut here ]------------
WARNING: at arch/arm/common/gic.c:607 gic_init+0x90/0x2e4()
Cannot allocate irq_descs @ IRQ16, assuming pre-allocated
[<c000c868>] (unwind_backtrace+0x0/0xe0) from [<c001857c>] (warn_slowpath_commo)
[<c001857c>] (warn_slowpath_common+0x48/0x60) from [<c00185d8>] (warn_slowpath_)
[<c00185d8>] (warn_slowpath_fmt+0x2c/0x3c) from [<c029ee08>] (gic_init+0x90/0x2)
[<c029ee08>] (gic_init+0x90/0x2e4) from [<c029f278>] (sh73a0_init_irq+0x30/0x18)
[<c029f278>] (sh73a0_init_irq+0x30/0x184) from [<c029c0b4>] (init_IRQ+0x14/0x1c)
[<c029c0b4>] (init_IRQ+0x14/0x1c) from [<c029a5cc>] (start_kernel+0x15c/0x2b8)
[<c029a5cc>] (start_kernel+0x15c/0x2b8) from [<4000803c>] (0x4000803c)
---[ end trace 1b75b31a2719ed1c ]---

With this fix applied interrupts work as expected.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/board-ag5evm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index b862e9f81e3e..7119b87cbfa0 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -607,6 +607,7 @@ struct sys_timer ag5evm_timer = {
 
 MACHINE_START(AG5EVM, "ag5evm")
 	.map_io		= ag5evm_map_io,
+	.nr_irqs	= NR_IRQS_LEGACY,
 	.init_irq	= sh73a0_init_irq,
 	.handle_irq	= shmobile_handle_irq_gic,
 	.init_machine	= ag5evm_init,
-- 
GitLab


From 9bcc0a5d0de137b3a154dc951c5ff70dce815879 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Tue, 22 Nov 2011 15:23:17 +0900
Subject: [PATCH 0919/1594] ARM: mach-shmobile: SH73A0 external Ethernet fix

Keep the ZB clock enabled on sh73a0 to allow the BSC
to access external peripherals hooked up to CS signals.

This is needed to unbreak Ethernet support on sh73a0 boards
such as AG5EVM and Kota2 together with the following patch:

 794d78f drivers: sh: late disabling of clocks V2

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/arm/mach-shmobile/clock-sh73a0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 61a846bb30f2..84fd33c9f4ee 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -243,7 +243,7 @@ static struct clk div6_clks[DIV6_NR] = {
 	[DIV6_VCK1] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR1, 0),
 	[DIV6_VCK2] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR2, 0),
 	[DIV6_VCK3] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR3, 0),
-	[DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, 0),
+	[DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, CLK_ENABLE_ON_INIT),
 	[DIV6_FLCTL] = SH_CLK_DIV6(&pll1_div2_clk, FLCKCR, 0),
 	[DIV6_SDHI0] = SH_CLK_DIV6(&pll1_div2_clk, SD0CKCR, 0),
 	[DIV6_SDHI1] = SH_CLK_DIV6(&pll1_div2_clk, SD1CKCR, 0),
-- 
GitLab


From 85d096db6764fd89cea232cf64b65a5f3b0f1ffc Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Sun, 16 Oct 2011 00:07:20 +0800
Subject: [PATCH 0920/1594] ARM: at91: rename defconfig files appropriately

rename all Atmel reference board as soc defconfig

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/arm/configs/{at91cap9adk_defconfig => at91cap9_defconfig}    | 0
 .../configs/{at91sam9260ek_defconfig => at91sam9260_defconfig}    | 0
 .../configs/{at91sam9g20ek_defconfig => at91sam9g20_defconfig}    | 0
 arch/arm/configs/{at91sam9rlek_defconfig => at91sam9rl_defconfig} | 0
 4 files changed, 0 insertions(+), 0 deletions(-)
 rename arch/arm/configs/{at91cap9adk_defconfig => at91cap9_defconfig} (100%)
 rename arch/arm/configs/{at91sam9260ek_defconfig => at91sam9260_defconfig} (100%)
 rename arch/arm/configs/{at91sam9g20ek_defconfig => at91sam9g20_defconfig} (100%)
 rename arch/arm/configs/{at91sam9rlek_defconfig => at91sam9rl_defconfig} (100%)

diff --git a/arch/arm/configs/at91cap9adk_defconfig b/arch/arm/configs/at91cap9_defconfig
similarity index 100%
rename from arch/arm/configs/at91cap9adk_defconfig
rename to arch/arm/configs/at91cap9_defconfig
diff --git a/arch/arm/configs/at91sam9260ek_defconfig b/arch/arm/configs/at91sam9260_defconfig
similarity index 100%
rename from arch/arm/configs/at91sam9260ek_defconfig
rename to arch/arm/configs/at91sam9260_defconfig
diff --git a/arch/arm/configs/at91sam9g20ek_defconfig b/arch/arm/configs/at91sam9g20_defconfig
similarity index 100%
rename from arch/arm/configs/at91sam9g20ek_defconfig
rename to arch/arm/configs/at91sam9g20_defconfig
diff --git a/arch/arm/configs/at91sam9rlek_defconfig b/arch/arm/configs/at91sam9rl_defconfig
similarity index 100%
rename from arch/arm/configs/at91sam9rlek_defconfig
rename to arch/arm/configs/at91sam9rl_defconfig
-- 
GitLab


From 9f939adeb2d0bcc079a8b2684761b34709d65407 Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Sun, 16 Oct 2011 00:07:20 +0800
Subject: [PATCH 0921/1594] ARM: at91: refresh soc defconfig files for 3.2

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/arm/configs/at91cap9_defconfig    |  7 ----
 arch/arm/configs/at91rm9200_defconfig  | 47 ++++++++------------------
 arch/arm/configs/at91sam9260_defconfig |  4 ---
 arch/arm/configs/at91sam9g20_defconfig | 12 +------
 arch/arm/configs/at91sam9g45_defconfig |  6 +---
 arch/arm/configs/at91sam9rl_defconfig  |  5 ---
 6 files changed, 16 insertions(+), 65 deletions(-)

diff --git a/arch/arm/configs/at91cap9_defconfig b/arch/arm/configs/at91cap9_defconfig
index ffb1edd93363..8826eb218e73 100644
--- a/arch/arm/configs/at91cap9_defconfig
+++ b/arch/arm/configs/at91cap9_defconfig
@@ -38,7 +38,6 @@ CONFIG_IP_PNP_RARP=y
 # CONFIG_IPV6 is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
@@ -52,16 +51,12 @@ CONFIG_MTD_NAND_ATMEL=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=8192
-CONFIG_ATMEL_SSC=y
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_SCSI_MULTI_LUN=y
 CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 CONFIG_MACB=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_KEYBOARD is not set
@@ -81,7 +76,6 @@ CONFIG_WATCHDOG=y
 CONFIG_WATCHDOG_NOWAYOUT=y
 CONFIG_FB=y
 CONFIG_FB_ATMEL=y
-# CONFIG_VGA_CONSOLE is not set
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_CLUT224 is not set
@@ -99,7 +93,6 @@ CONFIG_MMC_AT91=m
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AT91SAM9=y
 CONFIG_EXT2_FS=y
-CONFIG_INOTIFY=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
 CONFIG_JFFS2_FS=y
diff --git a/arch/arm/configs/at91rm9200_defconfig b/arch/arm/configs/at91rm9200_defconfig
index 38cb7c985426..bbe4e1a1f5d8 100644
--- a/arch/arm/configs/at91rm9200_defconfig
+++ b/arch/arm/configs/at91rm9200_defconfig
@@ -5,7 +5,6 @@ CONFIG_SYSVIPC=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_SYSFS_DEPRECATED_V2=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_MODULES=y
 CONFIG_MODULE_FORCE_LOAD=y
@@ -56,7 +55,6 @@ CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y
 CONFIG_NET_IPIP=m
-CONFIG_NET_IPGRE=m
 CONFIG_INET_AH=m
 CONFIG_INET_ESP=m
 CONFIG_INET_IPCOMP=m
@@ -75,18 +73,8 @@ CONFIG_IPV6_TUNNEL=m
 CONFIG_BRIDGE=m
 CONFIG_VLAN_8021Q=m
 CONFIG_BT=m
-CONFIG_BT_L2CAP=m
-CONFIG_BT_SCO=m
-CONFIG_BT_RFCOMM=m
-CONFIG_BT_RFCOMM_TTY=y
-CONFIG_BT_BNEP=m
-CONFIG_BT_BNEP_MC_FILTER=y
-CONFIG_BT_BNEP_PROTO_FILTER=y
-CONFIG_BT_HIDP=m
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
-CONFIG_MTD_CONCAT=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_AFS_PARTS=y
 CONFIG_MTD_CHAR=y
@@ -108,8 +96,6 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=8192
-CONFIG_ATMEL_TCLIB=y
-CONFIG_EEPROM_LEGACY=m
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_BLK_DEV_SR=m
@@ -119,14 +105,23 @@ CONFIG_SCSI_MULTI_LUN=y
 # CONFIG_SCSI_LOWLEVEL is not set
 CONFIG_NETDEVICES=y
 CONFIG_TUN=m
+CONFIG_ARM_AT91_ETHER=y
 CONFIG_PHYLIB=y
 CONFIG_DAVICOM_PHY=y
 CONFIG_SMSC_PHY=y
 CONFIG_MICREL_PHY=y
-CONFIG_NET_ETHERNET=y
-CONFIG_ARM_AT91_ETHER=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
+CONFIG_PPP=y
+CONFIG_PPP_BSDCOMP=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_MPPE=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPPOE=m
+CONFIG_PPP_ASYNC=y
+CONFIG_SLIP=m
+CONFIG_SLIP_COMPRESSED=y
+CONFIG_SLIP_SMART=y
+CONFIG_SLIP_MODE_SLIP6=y
 CONFIG_USB_CATC=m
 CONFIG_USB_KAWETH=m
 CONFIG_USB_PEGASUS=m
@@ -139,18 +134,6 @@ CONFIG_USB_NET_RNDIS_HOST=m
 CONFIG_USB_ALI_M5632=y
 CONFIG_USB_AN2720=y
 CONFIG_USB_EPSON2888=y
-CONFIG_PPP=y
-CONFIG_PPP_MULTILINK=y
-CONFIG_PPP_FILTER=y
-CONFIG_PPP_ASYNC=y
-CONFIG_PPP_DEFLATE=y
-CONFIG_PPP_BSDCOMP=y
-CONFIG_PPP_MPPE=m
-CONFIG_PPPOE=m
-CONFIG_SLIP=m
-CONFIG_SLIP_COMPRESSED=y
-CONFIG_SLIP_SMART=y
-CONFIG_SLIP_MODE_SLIP6=y
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 CONFIG_INPUT_MOUSEDEV_SCREEN_X=640
 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=480
@@ -158,9 +141,9 @@ CONFIG_INPUT_EVDEV=y
 CONFIG_KEYBOARD_GPIO=y
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_LEGACY_PTY_COUNT=32
 CONFIG_SERIAL_ATMEL=y
 CONFIG_SERIAL_ATMEL_CONSOLE=y
-CONFIG_LEGACY_PTY_COUNT=32
 CONFIG_HW_RANDOM=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
@@ -290,7 +273,6 @@ CONFIG_NFS_V3_ACL=y
 CONFIG_NFS_V4=y
 CONFIG_ROOT_NFS=y
 CONFIG_NFSD=y
-CONFIG_SMB_FS=m
 CONFIG_CIFS=m
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_MAC_PARTITION=y
@@ -335,7 +317,6 @@ CONFIG_NLS_UTF8=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_FS=y
 CONFIG_DEBUG_KERNEL=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_FTRACE is not set
 CONFIG_CRYPTO_PCBC=y
 CONFIG_CRYPTO_SHA1=y
diff --git a/arch/arm/configs/at91sam9260_defconfig b/arch/arm/configs/at91sam9260_defconfig
index f8a9226413bf..8a4c22d7be61 100644
--- a/arch/arm/configs/at91sam9260_defconfig
+++ b/arch/arm/configs/at91sam9260_defconfig
@@ -33,12 +33,10 @@ CONFIG_IP_PNP_BOOTP=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=8192
-CONFIG_ATMEL_SSC=y
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_SCSI_MULTI_LUN=y
 CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 CONFIG_MACB=y
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
@@ -55,7 +53,6 @@ CONFIG_I2C_GPIO=y
 CONFIG_WATCHDOG=y
 CONFIG_WATCHDOG_NOWAYOUT=y
 CONFIG_AT91SAM9X_WATCHDOG=y
-# CONFIG_VGA_CONSOLE is not set
 # CONFIG_USB_HID is not set
 CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
@@ -71,7 +68,6 @@ CONFIG_USB_G_SERIAL=m
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AT91SAM9=y
 CONFIG_EXT2_FS=y
-CONFIG_INOTIFY=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
 CONFIG_CRAMFS=y
diff --git a/arch/arm/configs/at91sam9g20_defconfig b/arch/arm/configs/at91sam9g20_defconfig
index 9e90e6d79297..23966c699065 100644
--- a/arch/arm/configs/at91sam9g20_defconfig
+++ b/arch/arm/configs/at91sam9g20_defconfig
@@ -23,7 +23,6 @@ CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw"
 CONFIG_FPE_NWFPE=y
-CONFIG_PM=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -37,8 +36,6 @@ CONFIG_IP_PNP_BOOTP=y
 # CONFIG_IPV6 is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
-CONFIG_MTD_CONCAT=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
@@ -48,17 +45,13 @@ CONFIG_MTD_NAND_ATMEL=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=8192
-CONFIG_ATMEL_SSC=y
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_SCSI_MULTI_LUN=y
 # CONFIG_SCSI_LOWLEVEL is not set
 CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 CONFIG_MACB=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 CONFIG_INPUT_MOUSEDEV_SCREEN_X=320
 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=240
@@ -66,15 +59,14 @@ CONFIG_INPUT_EVDEV=y
 # CONFIG_KEYBOARD_ATKBD is not set
 CONFIG_KEYBOARD_GPIO=y
 # CONFIG_INPUT_MOUSE is not set
+CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_SERIAL_ATMEL=y
 CONFIG_SERIAL_ATMEL_CONSOLE=y
-CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_HW_RANDOM=y
 CONFIG_SPI=y
 CONFIG_SPI_ATMEL=y
 CONFIG_SPI_SPIDEV=y
 # CONFIG_HWMON is not set
-# CONFIG_VGA_CONSOLE is not set
 CONFIG_SOUND=y
 CONFIG_SND=y
 CONFIG_SND_SEQUENCER=y
@@ -82,7 +74,6 @@ CONFIG_SND_MIXER_OSS=y
 CONFIG_SND_PCM_OSS=y
 CONFIG_SND_SEQUENCER_OSS=y
 # CONFIG_SND_VERBOSE_PROCFS is not set
-CONFIG_SND_AT73C213=y
 CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DEVICE_CLASS is not set
@@ -105,7 +96,6 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AT91SAM9=y
 CONFIG_EXT2_FS=y
-CONFIG_INOTIFY=y
 CONFIG_MSDOS_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
diff --git a/arch/arm/configs/at91sam9g45_defconfig b/arch/arm/configs/at91sam9g45_defconfig
index c5876d244f4b..7f8f99919d34 100644
--- a/arch/arm/configs/at91sam9g45_defconfig
+++ b/arch/arm/configs/at91sam9g45_defconfig
@@ -73,11 +73,8 @@ CONFIG_SCSI_MULTI_LUN=y
 # CONFIG_SCSI_LOWLEVEL is not set
 CONFIG_NETDEVICES=y
 CONFIG_MII=y
-CONFIG_DAVICOM_PHY=y
-CONFIG_NET_ETHERNET=y
 CONFIG_MACB=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
+CONFIG_DAVICOM_PHY=y
 CONFIG_LIBERTAS_THINFIRM=m
 CONFIG_LIBERTAS_THINFIRM_USB=m
 CONFIG_AT76C50X_USB=m
@@ -131,7 +128,6 @@ CONFIG_I2C_GPIO=y
 CONFIG_SPI=y
 CONFIG_SPI_ATMEL=y
 # CONFIG_HWMON is not set
-# CONFIG_MFD_SUPPORT is not set
 CONFIG_FB=y
 CONFIG_FB_ATMEL=y
 CONFIG_FB_UDL=m
diff --git a/arch/arm/configs/at91sam9rl_defconfig b/arch/arm/configs/at91sam9rl_defconfig
index 75621e4d03fc..ad562ee64209 100644
--- a/arch/arm/configs/at91sam9rl_defconfig
+++ b/arch/arm/configs/at91sam9rl_defconfig
@@ -23,8 +23,6 @@ CONFIG_NET=y
 CONFIG_UNIX=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
-CONFIG_MTD_CONCAT=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
@@ -35,7 +33,6 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=4
 CONFIG_BLK_DEV_RAM_SIZE=24576
-CONFIG_ATMEL_SSC=y
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_SCSI_MULTI_LUN=y
@@ -62,13 +59,11 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 CONFIG_AT91SAM9X_WATCHDOG=y
 CONFIG_FB=y
 CONFIG_FB_ATMEL=y
-# CONFIG_VGA_CONSOLE is not set
 CONFIG_MMC=y
 CONFIG_MMC_AT91=m
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AT91SAM9=y
 CONFIG_EXT2_FS=y
-CONFIG_INOTIFY=y
 CONFIG_MSDOS_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
-- 
GitLab


From db5509f0c2b7e7c02e1294a10a4d4b04f2720c28 Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Sun, 16 Oct 2011 00:03:17 +0800
Subject: [PATCH 0922/1594] ARM: at91: enable additional boards in existing soc
 defconfig files

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/arm/configs/at91sam9260_defconfig | 12 ++++++++++++
 arch/arm/configs/at91sam9g20_defconfig | 11 +++++++++++
 arch/arm/configs/at91sam9g45_defconfig |  1 +
 3 files changed, 24 insertions(+)

diff --git a/arch/arm/configs/at91sam9260_defconfig b/arch/arm/configs/at91sam9260_defconfig
index 8a4c22d7be61..505b3765f87e 100644
--- a/arch/arm/configs/at91sam9260_defconfig
+++ b/arch/arm/configs/at91sam9260_defconfig
@@ -12,11 +12,23 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_IOSCHED_CFQ is not set
 CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91SAM9260=y
+CONFIG_ARCH_AT91SAM9260_SAM9XE=y
 CONFIG_MACH_AT91SAM9260EK=y
+CONFIG_MACH_CAM60=y
+CONFIG_MACH_SAM9_L9260=y
+CONFIG_MACH_AFEB9260=y
+CONFIG_MACH_USB_A9260=y
+CONFIG_MACH_QIL_A9260=y
+CONFIG_MACH_CPU9260=y
+CONFIG_MACH_FLEXIBITY=y
+CONFIG_MACH_SNAPPER_9260=y
+CONFIG_MACH_AT91SAM_DT=y
 CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
 # CONFIG_ARM_THUMB is not set
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_ARM_APPENDED_DTB=y
+CONFIG_ARM_ATAG_DTB_COMPAT=y
 CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw"
 CONFIG_FPE_NWFPE=y
 CONFIG_NET=y
diff --git a/arch/arm/configs/at91sam9g20_defconfig b/arch/arm/configs/at91sam9g20_defconfig
index 23966c699065..9123568d9a8d 100644
--- a/arch/arm/configs/at91sam9g20_defconfig
+++ b/arch/arm/configs/at91sam9g20_defconfig
@@ -14,6 +14,15 @@ CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91SAM9G20=y
 CONFIG_MACH_AT91SAM9G20EK=y
 CONFIG_MACH_AT91SAM9G20EK_2MMC=y
+CONFIG_MACH_CPU9G20=y
+CONFIG_MACH_ACMENETUSFOXG20=y
+CONFIG_MACH_PORTUXG20=y
+CONFIG_MACH_STAMP9G20=y
+CONFIG_MACH_PCONTROL_G20=y
+CONFIG_MACH_GSIA18S=y
+CONFIG_MACH_USB_A9G20=y
+CONFIG_MACH_SNAPPER_9260=y
+CONFIG_MACH_AT91SAM_DT=y
 CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
 # CONFIG_ARM_THUMB is not set
 CONFIG_AEABI=y
@@ -21,6 +30,8 @@ CONFIG_LEDS=y
 CONFIG_LEDS_CPU=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_ARM_APPENDED_DTB=y
+CONFIG_ARM_ATAG_DTB_COMPAT=y
 CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw"
 CONFIG_FPE_NWFPE=y
 CONFIG_NET=y
diff --git a/arch/arm/configs/at91sam9g45_defconfig b/arch/arm/configs/at91sam9g45_defconfig
index 7f8f99919d34..606d48f3b8f8 100644
--- a/arch/arm/configs/at91sam9g45_defconfig
+++ b/arch/arm/configs/at91sam9g45_defconfig
@@ -18,6 +18,7 @@ CONFIG_MODULE_UNLOAD=y
 CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91SAM9G45=y
 CONFIG_MACH_AT91SAM9M10G45EK=y
+CONFIG_MACH_AT91SAM_DT=y
 CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
 CONFIG_AT91_SLOW_CLOCK=y
 CONFIG_AEABI=y
-- 
GitLab


From ff83bd82cb343d37b5ab8e402aaad9ef33d03f1e Mon Sep 17 00:00:00 2001
From: Antti Palosaari <crope@iki.fi>
Date: Sat, 12 Nov 2011 22:33:30 -0300
Subject: [PATCH 0923/1594] [media] af9015: limit I2C access to keep FW happy

AF9015 firmware does not like if it gets interrupted by I2C adapter
request on some critical phases. During normal operation I2C adapter
is used only 2nd demodulator and tuner on dual tuner devices.

Override demodulator callbacks and use mutex for limit access to
those "critical" paths to keep AF9015 happy.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-usb/af9015.c | 97 ++++++++++++++++++++++++++++++
 drivers/media/dvb/dvb-usb/af9015.h |  7 +++
 2 files changed, 104 insertions(+)

diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c
index c6c275bac08e..033aa8affd8e 100644
--- a/drivers/media/dvb/dvb-usb/af9015.c
+++ b/drivers/media/dvb/dvb-usb/af9015.c
@@ -1093,9 +1093,80 @@ error:
 	return ret;
 }
 
+/* override demod callbacks for resource locking */
+static int af9015_af9013_set_frontend(struct dvb_frontend *fe,
+	struct dvb_frontend_parameters *params)
+{
+	int ret;
+	struct dvb_usb_adapter *adap = fe->dvb->priv;
+	struct af9015_state *priv = adap->dev->priv;
+
+	if (mutex_lock_interruptible(&adap->dev->usb_mutex))
+		return -EAGAIN;
+
+	ret = priv->set_frontend[adap->id](fe, params);
+
+	mutex_unlock(&adap->dev->usb_mutex);
+
+	return ret;
+}
+
+/* override demod callbacks for resource locking */
+static int af9015_af9013_read_status(struct dvb_frontend *fe,
+	fe_status_t *status)
+{
+	int ret;
+	struct dvb_usb_adapter *adap = fe->dvb->priv;
+	struct af9015_state *priv = adap->dev->priv;
+
+	if (mutex_lock_interruptible(&adap->dev->usb_mutex))
+		return -EAGAIN;
+
+	ret = priv->read_status[adap->id](fe, status);
+
+	mutex_unlock(&adap->dev->usb_mutex);
+
+	return ret;
+}
+
+/* override demod callbacks for resource locking */
+static int af9015_af9013_init(struct dvb_frontend *fe)
+{
+	int ret;
+	struct dvb_usb_adapter *adap = fe->dvb->priv;
+	struct af9015_state *priv = adap->dev->priv;
+
+	if (mutex_lock_interruptible(&adap->dev->usb_mutex))
+		return -EAGAIN;
+
+	ret = priv->init[adap->id](fe);
+
+	mutex_unlock(&adap->dev->usb_mutex);
+
+	return ret;
+}
+
+/* override demod callbacks for resource locking */
+static int af9015_af9013_sleep(struct dvb_frontend *fe)
+{
+	int ret;
+	struct dvb_usb_adapter *adap = fe->dvb->priv;
+	struct af9015_state *priv = adap->dev->priv;
+
+	if (mutex_lock_interruptible(&adap->dev->usb_mutex))
+		return -EAGAIN;
+
+	ret = priv->init[adap->id](fe);
+
+	mutex_unlock(&adap->dev->usb_mutex);
+
+	return ret;
+}
+
 static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
 {
 	int ret;
+	struct af9015_state *state = adap->dev->priv;
 
 	if (adap->id == 1) {
 		/* copy firmware to 2nd demodulator */
@@ -1116,6 +1187,32 @@ static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
 	adap->fe_adap[0].fe = dvb_attach(af9013_attach, &af9015_af9013_config[adap->id],
 		&adap->dev->i2c_adap);
 
+	/*
+	 * AF9015 firmware does not like if it gets interrupted by I2C adapter
+	 * request on some critical phases. During normal operation I2C adapter
+	 * is used only 2nd demodulator and tuner on dual tuner devices.
+	 * Override demodulator callbacks and use mutex for limit access to
+	 * those "critical" paths to keep AF9015 happy.
+	 * Note: we abuse unused usb_mutex here.
+	 */
+	if (adap->fe_adap[0].fe) {
+		state->set_frontend[adap->id] =
+			adap->fe_adap[0].fe->ops.set_frontend;
+		adap->fe_adap[0].fe->ops.set_frontend =
+			af9015_af9013_set_frontend;
+
+		state->read_status[adap->id] =
+			adap->fe_adap[0].fe->ops.read_status;
+		adap->fe_adap[0].fe->ops.read_status =
+			af9015_af9013_read_status;
+
+		state->init[adap->id] = adap->fe_adap[0].fe->ops.init;
+		adap->fe_adap[0].fe->ops.init = af9015_af9013_init;
+
+		state->sleep[adap->id] = adap->fe_adap[0].fe->ops.sleep;
+		adap->fe_adap[0].fe->ops.sleep = af9015_af9013_sleep;
+	}
+
 	return adap->fe_adap[0].fe == NULL ? -ENODEV : 0;
 }
 
diff --git a/drivers/media/dvb/dvb-usb/af9015.h b/drivers/media/dvb/dvb-usb/af9015.h
index 6252ea6c1904..4a126177e101 100644
--- a/drivers/media/dvb/dvb-usb/af9015.h
+++ b/drivers/media/dvb/dvb-usb/af9015.h
@@ -102,6 +102,13 @@ struct af9015_state {
 	u8 rc_repeat;
 	u32 rc_keycode;
 	u8 rc_last[4];
+
+	/* for demod callback override */
+	int (*set_frontend[2]) (struct dvb_frontend *fe,
+		struct dvb_frontend_parameters *params);
+	int (*read_status[2]) (struct dvb_frontend *fe, fe_status_t *status);
+	int (*init[2]) (struct dvb_frontend *fe);
+	int (*sleep[2]) (struct dvb_frontend *fe);
 };
 
 struct af9015_config {
-- 
GitLab


From d7d89dc85b9ec0e94f16e811d5f440106e2e77c0 Mon Sep 17 00:00:00 2001
From: Antti Palosaari <crope@iki.fi>
Date: Sun, 13 Nov 2011 00:22:33 -0300
Subject: [PATCH 0924/1594] [media] tda18218: fix 6 MHz default IF frequency

Default IF for 6 MHz bandwidth is 3 MHz. Use that.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/common/tuners/tda18218.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/common/tuners/tda18218.c b/drivers/media/common/tuners/tda18218.c
index aacfe2387e28..4fc29730a12c 100644
--- a/drivers/media/common/tuners/tda18218.c
+++ b/drivers/media/common/tuners/tda18218.c
@@ -141,7 +141,7 @@ static int tda18218_set_params(struct dvb_frontend *fe,
 	switch (params->u.ofdm.bandwidth) {
 	case BANDWIDTH_6_MHZ:
 		LP_Fc = 0;
-		LO_Frac = params->frequency + 4000000;
+		LO_Frac = params->frequency + 3000000;
 		break;
 	case BANDWIDTH_7_MHZ:
 		LP_Fc = 1;
-- 
GitLab


From 576b849ea7af9ac05dca3ca92bc62c7528e8f0ef Mon Sep 17 00:00:00 2001
From: Antti Palosaari <crope@iki.fi>
Date: Sun, 9 Oct 2011 08:59:16 -0300
Subject: [PATCH 0925/1594] [media] mxl5007t: fix reg read

Register to read should be written to register 0xfb and then
perform I2C read to get reg value.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/common/tuners/mxl5007t.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c
index 7eb1bf75cd07..5d02221e99dd 100644
--- a/drivers/media/common/tuners/mxl5007t.c
+++ b/drivers/media/common/tuners/mxl5007t.c
@@ -488,9 +488,10 @@ static int mxl5007t_write_regs(struct mxl5007t_state *state,
 
 static int mxl5007t_read_reg(struct mxl5007t_state *state, u8 reg, u8 *val)
 {
+	u8 buf[2] = { 0xfb, reg };
 	struct i2c_msg msg[] = {
 		{ .addr = state->i2c_props.addr, .flags = 0,
-		  .buf = &reg, .len = 1 },
+		  .buf = buf, .len = 2 },
 		{ .addr = state->i2c_props.addr, .flags = I2C_M_RD,
 		  .buf = val, .len = 1 },
 	};
-- 
GitLab


From 884a45d964dd395eda945842afff5e16bcaedf56 Mon Sep 17 00:00:00 2001
From: Michal Hocko <mhocko@suse.cz>
Date: Tue, 22 Nov 2011 07:44:47 -0800
Subject: [PATCH 0926/1594] cgroup_freezer: fix freezing groups with stopped
 tasks

2d3cbf8b (cgroup_freezer: update_freezer_state() does incorrect state
transitions) removed is_task_frozen_enough and replaced it with a simple
frozen call. This, however, breaks freezing for a group with stopped tasks
because those cannot be frozen and so the group remains in CGROUP_FREEZING
state (update_if_frozen doesn't count stopped tasks) and never reaches
CGROUP_FROZEN.

Let's add is_task_frozen_enough back and use it at the original locations
(update_if_frozen and try_to_freeze_cgroup). Semantically we consider
stopped tasks as frozen enough so we should consider both cases when
testing frozen tasks.

Testcase:
mkdir /dev/freezer
mount -t cgroup -o freezer none /dev/freezer
mkdir /dev/freezer/foo
sleep 1h &
pid=$!
kill -STOP $pid
echo $pid > /dev/freezer/foo/tasks
echo FROZEN > /dev/freezer/foo/freezer.state
while true
do
	cat /dev/freezer/foo/freezer.state
	[ "`cat /dev/freezer/foo/freezer.state`" = "FROZEN" ] && break
	sleep 1
done
echo OK

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Tomasz Buchert <tomasz.buchert@inria.fr>
Cc: Paul Menage <paul@paulmenage.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: stable@kernel.org
Signed-off-by: Tejun Heo <htejun@gmail.com>
---
 kernel/cgroup_freezer.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 5e828a2ca8e6..213c0351dad8 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -153,6 +153,13 @@ static void freezer_destroy(struct cgroup_subsys *ss,
 	kfree(cgroup_freezer(cgroup));
 }
 
+/* task is frozen or will freeze immediately when next it gets woken */
+static bool is_task_frozen_enough(struct task_struct *task)
+{
+	return frozen(task) ||
+		(task_is_stopped_or_traced(task) && freezing(task));
+}
+
 /*
  * The call to cgroup_lock() in the freezer.state write method prevents
  * a write to that file racing against an attach, and hence the
@@ -231,7 +238,7 @@ static void update_if_frozen(struct cgroup *cgroup,
 	cgroup_iter_start(cgroup, &it);
 	while ((task = cgroup_iter_next(cgroup, &it))) {
 		ntotal++;
-		if (frozen(task))
+		if (is_task_frozen_enough(task))
 			nfrozen++;
 	}
 
@@ -284,7 +291,7 @@ static int try_to_freeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
 	while ((task = cgroup_iter_next(cgroup, &it))) {
 		if (!freeze_task(task, true))
 			continue;
-		if (frozen(task))
+		if (is_task_frozen_enough(task))
 			continue;
 		if (!freezing(task) && !freezer_should_skip(task))
 			num_cant_freeze_now++;
-- 
GitLab


From ffe06198876a3cbda1cd642883adcec5304d9442 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Thu, 24 Nov 2011 19:22:10 -0200
Subject: [PATCH 0927/1594] MAINTAINERS: Update media entries

Now that we've created a /drivers/staging/media, put it together with
/drivers/media. Also, added there a missing entry for the Media API spec.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 MAINTAINERS | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index e839b95b2723..273b0498e715 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4234,7 +4234,9 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6.git
 S:	Maintained
 F:	Documentation/dvb/
 F:	Documentation/video4linux/
+F:	Documentation/DocBook/media/
 F:	drivers/media/
+F:	drivers/staging/media/
 F:	include/media/
 F:	include/linux/dvb/
 F:	include/linux/videodev*.h
-- 
GitLab


From e067d5abdd04cbf1bed466f95682c67e2496ba42 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xenotime.net>
Date: Wed, 16 Nov 2011 22:17:03 -0300
Subject: [PATCH 0928/1594] [media] media/staging: fix allyesconfig build error

Fix x86 allyesconfig builds.  Builds fail due to a non-static variable
named 'debug' in drivers/staging/media/as102/.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Pierrick Hascoet <pierrick.hascoet@abilis.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/staging/media/as102/as102_drv.c | 4 ++--
 drivers/staging/media/as102/as102_drv.h | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c
index d335c7d6fa0f..828526d4c289 100644
--- a/drivers/staging/media/as102/as102_drv.c
+++ b/drivers/staging/media/as102/as102_drv.c
@@ -32,8 +32,8 @@
 #include "as102_fw.h"
 #include "dvbdev.h"
 
-int debug;
-module_param_named(debug, debug, int, 0644);
+int as102_debug;
+module_param_named(debug, as102_debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off debugging (default: off)");
 
 int dual_tuner;
diff --git a/drivers/staging/media/as102/as102_drv.h b/drivers/staging/media/as102/as102_drv.h
index bcda635b5a99..fd33f5a12dcc 100644
--- a/drivers/staging/media/as102/as102_drv.h
+++ b/drivers/staging/media/as102/as102_drv.h
@@ -37,7 +37,8 @@ extern struct spi_driver as102_spi_driver;
 #define DRIVER_FULL_NAME "Abilis Systems as10x usb driver"
 #define DRIVER_NAME "as10x_usb"
 
-extern int debug;
+extern int as102_debug;
+#define debug	as102_debug
 
 #define dprintk(debug, args...) \
 	do { if (debug) {	\
-- 
GitLab


From 7acde02a5bf4d3c32cd197eb7ce2257e6a0e17b7 Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Tue, 13 Sep 2011 14:07:09 -0300
Subject: [PATCH 0929/1594] [media] s5p-fimc: Fix wrong pointer dereference
 when unregistering sensors

After i2c_unregister_device() has been called the client object can already
be freed and thus using the client pointer may lead to dereferencing freed
memory. Avoid this by saving the adapter pointer for further use before
i2c_unregister_device() call.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-mdevice.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.c b/drivers/media/video/s5p-fimc/fimc-mdevice.c
index cc337b1de913..d558ae79e320 100644
--- a/drivers/media/video/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/video/s5p-fimc/fimc-mdevice.c
@@ -220,6 +220,7 @@ static struct v4l2_subdev *fimc_md_register_sensor(struct fimc_md *fmd,
 	sd = v4l2_i2c_new_subdev_board(&fmd->v4l2_dev, adapter,
 				       s_info->pdata->board_info, NULL);
 	if (IS_ERR_OR_NULL(sd)) {
+		i2c_put_adapter(adapter);
 		v4l2_err(&fmd->v4l2_dev, "Failed to acquire subdev\n");
 		return NULL;
 	}
@@ -234,12 +235,15 @@ static struct v4l2_subdev *fimc_md_register_sensor(struct fimc_md *fmd,
 static void fimc_md_unregister_sensor(struct v4l2_subdev *sd)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	struct i2c_adapter *adapter;
 
 	if (!client)
 		return;
 	v4l2_device_unregister_subdev(sd);
+	adapter = client->adapter;
 	i2c_unregister_device(client);
-	i2c_put_adapter(client->adapter);
+	if (adapter)
+		i2c_put_adapter(adapter);
 }
 
 static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
-- 
GitLab


From 64c570f505a0eac4914402bb7832d019c44eabd8 Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Sun, 11 Sep 2011 10:36:13 -0300
Subject: [PATCH 0930/1594] [media] s5p-fimc: Fix error in the capture subdev
 deinitialization

Make sure the subdev pointer is cleared when the subdev object
has been freed.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-capture.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index c8d91b0cd9bd..382dacd23133 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -1375,7 +1375,7 @@ static void fimc_destroy_capture_subdev(struct fimc_dev *fimc)
 	media_entity_cleanup(&sd->entity);
 	v4l2_device_unregister_subdev(sd);
 	kfree(sd);
-	sd = NULL;
+	fimc->vid_cap.subdev = NULL;
 }
 
 /* Set default format at the sensor and host interface */
-- 
GitLab


From 7aa9f1844a3aac428ef7977a9f1da706718afe0d Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Fri, 4 Nov 2011 09:59:52 -0300
Subject: [PATCH 0931/1594] [media] s5p-fimc: Fix initialization for proper
 system suspend support

ST_LPM bit must not be initially set, so the first resume helper
call properly quiesce the device's operation.
Also fimc_runtime_suspend() at device remove is unneeded and
leads to unbalanced clock disable so remove it.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-core.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 19ca6db38b2f..ef53528934f2 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -1615,7 +1615,6 @@ static int fimc_probe(struct platform_device *pdev)
 	pdata = pdev->dev.platform_data;
 	fimc->pdata = pdata;
 
-	set_bit(ST_LPM, &fimc->state);
 
 	init_waitqueue_head(&fimc->irq_queue);
 	spin_lock_init(&fimc->slock);
@@ -1780,7 +1779,6 @@ static int __devexit fimc_remove(struct platform_device *pdev)
 	struct fimc_dev *fimc = platform_get_drvdata(pdev);
 
 	pm_runtime_disable(&pdev->dev);
-	fimc_runtime_suspend(&pdev->dev);
 	pm_runtime_set_suspended(&pdev->dev);
 
 	vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
-- 
GitLab


From 2c1bb62e217f4f2eb6fa9734dcb331bc09c7768e Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Wed, 5 Oct 2011 14:20:45 -0300
Subject: [PATCH 0932/1594] [media] s5p-fimc: Fix buffer dequeue order issue

When requested more than 2 buffers the buffer dequeue order was wrong
due to erroneous updating FIMC registers in every interrupt handler
call. This also fixes regression of resetting the output DMA buffer
pointer at wrong time, when some buffers are already queued in hardware.
The hardware is reset in the start_streaming callback in order to align
the H/W state with the software output buffer pointer (buf_index).

Additionally a simple write to S5P_CISCCTRL register is replaced with
a read/modification/write to make sure the scaler is not being disabled
in fimc_hw_set_scaler().

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-capture.c |  9 ++++++---
 drivers/media/video/s5p-fimc/fimc-core.c    |  4 ----
 drivers/media/video/s5p-fimc/fimc-reg.c     | 15 ++++++++++++---
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index 382dacd23133..70f741f7659f 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -98,6 +98,10 @@ static int fimc_capture_state_cleanup(struct fimc_dev *fimc, bool suspend)
 			vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
 	}
 	set_bit(ST_CAPT_SUSPENDED, &fimc->state);
+
+	fimc_hw_reset(fimc);
+	cap->buf_index = 0;
+
 	spin_unlock_irqrestore(&fimc->slock, flags);
 
 	if (streaming)
@@ -137,7 +141,7 @@ int fimc_capture_config_update(struct fimc_ctx *ctx)
 	struct fimc_dev *fimc = ctx->fimc_dev;
 	int ret;
 
-	if (test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
+	if (!test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
 		return 0;
 
 	spin_lock(&ctx->slock);
@@ -150,7 +154,7 @@ int fimc_capture_config_update(struct fimc_ctx *ctx)
 		fimc_hw_set_rotation(ctx);
 		fimc_prepare_dma_offset(ctx, &ctx->d_frame);
 		fimc_hw_set_out_dma(ctx);
-		set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
+		clear_bit(ST_CAPT_APPLY_CFG, &fimc->state);
 	}
 	spin_unlock(&ctx->slock);
 	return ret;
@@ -164,7 +168,6 @@ static int start_streaming(struct vb2_queue *q, unsigned int count)
 	int min_bufs;
 	int ret;
 
-	fimc_hw_reset(fimc);
 	vid_cap->frame_count = 0;
 
 	ret = fimc_init_capture(fimc);
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index ef53528934f2..9c3a8c51da4f 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -1706,8 +1706,6 @@ static int fimc_runtime_resume(struct device *dev)
 	/* Enable clocks and perform basic initalization */
 	clk_enable(fimc->clock[CLK_GATE]);
 	fimc_hw_reset(fimc);
-	if (fimc->variant->out_buf_count > 4)
-		fimc_hw_set_dma_seq(fimc, 0xF);
 
 	/* Resume the capture or mem-to-mem device */
 	if (fimc_capture_busy(fimc))
@@ -1749,8 +1747,6 @@ static int fimc_resume(struct device *dev)
 		return 0;
 	}
 	fimc_hw_reset(fimc);
-	if (fimc->variant->out_buf_count > 4)
-		fimc_hw_set_dma_seq(fimc, 0xF);
 	spin_unlock_irqrestore(&fimc->slock, flags);
 
 	if (fimc_capture_busy(fimc))
diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c
index 20e664e34163..44f5c2d1920b 100644
--- a/drivers/media/video/s5p-fimc/fimc-reg.c
+++ b/drivers/media/video/s5p-fimc/fimc-reg.c
@@ -35,6 +35,9 @@ void fimc_hw_reset(struct fimc_dev *dev)
 	cfg = readl(dev->regs + S5P_CIGCTRL);
 	cfg &= ~S5P_CIGCTRL_SWRST;
 	writel(cfg, dev->regs + S5P_CIGCTRL);
+
+	if (dev->variant->out_buf_count > 4)
+		fimc_hw_set_dma_seq(dev, 0xF);
 }
 
 static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx)
@@ -251,7 +254,14 @@ static void fimc_hw_set_scaler(struct fimc_ctx *ctx)
 	struct fimc_scaler *sc = &ctx->scaler;
 	struct fimc_frame *src_frame = &ctx->s_frame;
 	struct fimc_frame *dst_frame = &ctx->d_frame;
-	u32 cfg = 0;
+
+	u32 cfg = readl(dev->regs + S5P_CISCCTRL);
+
+	cfg &= ~(S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE |
+		 S5P_CISCCTRL_SCALEUP_H | S5P_CISCCTRL_SCALEUP_V |
+		 S5P_CISCCTRL_SCALERBYPASS | S5P_CISCCTRL_ONE2ONE |
+		 S5P_CISCCTRL_INRGB_FMT_MASK | S5P_CISCCTRL_OUTRGB_FMT_MASK |
+		 S5P_CISCCTRL_INTERLACE | S5P_CISCCTRL_RGB_EXT);
 
 	if (!(ctx->flags & FIMC_COLOR_RANGE_NARROW))
 		cfg |= (S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE);
@@ -308,9 +318,9 @@ void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
 	fimc_hw_set_scaler(ctx);
 
 	cfg = readl(dev->regs + S5P_CISCCTRL);
+	cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
 
 	if (variant->has_mainscaler_ext) {
-		cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
 		cfg |= S5P_CISCCTRL_MHRATIO_EXT(sc->main_hratio);
 		cfg |= S5P_CISCCTRL_MVRATIO_EXT(sc->main_vratio);
 		writel(cfg, dev->regs + S5P_CISCCTRL);
@@ -323,7 +333,6 @@ void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
 		cfg |= S5P_CIEXTEN_MVRATIO_EXT(sc->main_vratio);
 		writel(cfg, dev->regs + S5P_CIEXTEN);
 	} else {
-		cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
 		cfg |= S5P_CISCCTRL_MHRATIO(sc->main_hratio);
 		cfg |= S5P_CISCCTRL_MVRATIO(sc->main_vratio);
 		writel(cfg, dev->regs + S5P_CISCCTRL);
-- 
GitLab


From 5cbf6f16ecc07e9f73107c1adf95013bce9f2cf6 Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Fri, 7 Oct 2011 07:40:00 -0300
Subject: [PATCH 0933/1594] [media] s5p-fimc: Allow probe() to succeed with
 null platform data

The "s5p-fimc-md" platform device platform_data is used to pass
attached camera sensor data. Not allowing device probe() to succeed
when it's null prevents using FIMC as a mem-to-mem device only.
Fix this by removing the platform_data check against null and
registering sensors only if platform_data is specified.
Also add logging of the information which /dev/video is assigned
to which device during probe().

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-mdevice.c | 35 ++++++++++++---------
 1 file changed, 21 insertions(+), 14 deletions(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.c b/drivers/media/video/s5p-fimc/fimc-mdevice.c
index d558ae79e320..fc81f6faa39a 100644
--- a/drivers/media/video/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/video/s5p-fimc/fimc-mdevice.c
@@ -385,20 +385,28 @@ static void fimc_md_unregister_entities(struct fimc_md *fmd)
 
 static int fimc_md_register_video_nodes(struct fimc_md *fmd)
 {
+	struct video_device *vdev;
 	int i, ret = 0;
 
 	for (i = 0; i < FIMC_MAX_DEVS && !ret; i++) {
 		if (!fmd->fimc[i])
 			continue;
 
-		if (fmd->fimc[i]->m2m.vfd)
-			ret = video_register_device(fmd->fimc[i]->m2m.vfd,
-						    VFL_TYPE_GRABBER, -1);
-		if (ret)
-			break;
-		if (fmd->fimc[i]->vid_cap.vfd)
-			ret = video_register_device(fmd->fimc[i]->vid_cap.vfd,
-						    VFL_TYPE_GRABBER, -1);
+		vdev = fmd->fimc[i]->m2m.vfd;
+		if (vdev) {
+			ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+			if (ret)
+				break;
+			v4l2_info(&fmd->v4l2_dev, "Registered %s as /dev/%s\n",
+				  vdev->name, video_device_node_name(vdev));
+		}
+
+		vdev = fmd->fimc[i]->vid_cap.vfd;
+		if (vdev == NULL)
+			continue;
+		ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+		v4l2_info(&fmd->v4l2_dev, "Registered %s as /dev/%s\n",
+			  vdev->name, video_device_node_name(vdev));
 	}
 
 	return ret;
@@ -746,9 +754,6 @@ static int __devinit fimc_md_probe(struct platform_device *pdev)
 	struct fimc_md *fmd;
 	int ret;
 
-	if (WARN(!pdev->dev.platform_data, "Platform data not specified!\n"))
-		return -EINVAL;
-
 	fmd = kzalloc(sizeof(struct fimc_md), GFP_KERNEL);
 	if (!fmd)
 		return -ENOMEM;
@@ -786,9 +791,11 @@ static int __devinit fimc_md_probe(struct platform_device *pdev)
 	if (ret)
 		goto err3;
 
-	ret = fimc_md_register_sensor_entities(fmd);
-	if (ret)
-		goto err3;
+	if (pdev->dev.platform_data) {
+		ret = fimc_md_register_sensor_entities(fmd);
+		if (ret)
+			goto err3;
+	}
 	ret = fimc_md_create_links(fmd);
 	if (ret)
 		goto err3;
-- 
GitLab


From 9c63afcb02b4313838d83c3660e45544d9fc9976 Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Fri, 27 May 2011 13:12:23 -0300
Subject: [PATCH 0934/1594] [media] s5p-fimc: Adjust pixel height alignments
 according to the IP revision

Minimum vertical pixel size alignment for input and output DMA and
the scaler depend on color format, rotation, the IP instance and revision.

Make vertical pixel size of format and crop better fit for each SoC
revision and the IP instance by adding min_vsize_align attribute to
the FIMC variant data structure. It's now common for the DMA engines
and the scaler.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-capture.c |  2 +-
 drivers/media/video/s5p-fimc/fimc-core.c    | 16 +++++++++++-----
 drivers/media/video/s5p-fimc/fimc-core.h    |  2 ++
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index 70f741f7659f..82d9ab6984eb 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -526,7 +526,7 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx,
 	max_w = rotation ? pl->out_rot_en_w : pl->out_rot_dis_w;
 	min_w = ctx->state & FIMC_DST_CROP ? dst->width : var->min_out_pixsize;
 	min_h = ctx->state & FIMC_DST_CROP ? dst->height : var->min_out_pixsize;
-	if (fimc->id == 1 && var->pix_hoff)
+	if (var->min_vsize_align == 1 && !rotation)
 		align_h = fimc_fmt_is_rgb(ffmt->color) ? 0 : 1;
 
 	depth = fimc_get_format_depth(ffmt);
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 9c3a8c51da4f..7c22d78b0569 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -1038,12 +1038,11 @@ static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f)
 		mod_x = 6; /* 64 x 32 pixels tile */
 		mod_y = 5;
 	} else {
-		if (fimc->id == 1 && variant->pix_hoff)
+		if (variant->min_vsize_align == 1)
 			mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1;
 		else
-			mod_y = mod_x;
+			mod_y = ffs(variant->min_vsize_align) - 1;
 	}
-	dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_w);
 
 	v4l_bound_align_image(&pix->width, 16, max_w, mod_x,
 		&pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);
@@ -1226,10 +1225,10 @@ static int fimc_m2m_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr)
 		fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize;
 
 	/* Get pixel alignment constraints. */
-	if (fimc->id == 1 && fimc->variant->pix_hoff)
+	if (fimc->variant->min_vsize_align == 1)
 		halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1;
 	else
-		halign = ffs(min_size) - 1;
+		halign = ffs(fimc->variant->min_vsize_align) - 1;
 
 	for (i = 0; i < f->fmt->colplanes; i++)
 		depth += f->fmt->depth[i];
@@ -1834,6 +1833,7 @@ static struct samsung_fimc_variant fimc0_variant_s5p = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 8,
+	.min_vsize_align = 16,
 	.out_buf_count	 = 4,
 	.pix_limit	 = &s5p_pix_limit[0],
 };
@@ -1843,6 +1843,7 @@ static struct samsung_fimc_variant fimc2_variant_s5p = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 8,
+	.min_vsize_align = 16,
 	.out_buf_count	 = 4,
 	.pix_limit = &s5p_pix_limit[1],
 };
@@ -1855,6 +1856,7 @@ static struct samsung_fimc_variant fimc0_variant_s5pv210 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 8,
+	.min_vsize_align = 16,
 	.out_buf_count	 = 4,
 	.pix_limit	 = &s5p_pix_limit[1],
 };
@@ -1868,6 +1870,7 @@ static struct samsung_fimc_variant fimc1_variant_s5pv210 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 1,
+	.min_vsize_align = 1,
 	.out_buf_count	 = 4,
 	.pix_limit	 = &s5p_pix_limit[2],
 };
@@ -1878,6 +1881,7 @@ static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 8,
+	.min_vsize_align = 16,
 	.out_buf_count	 = 4,
 	.pix_limit	 = &s5p_pix_limit[2],
 };
@@ -1892,6 +1896,7 @@ static struct samsung_fimc_variant fimc0_variant_exynos4 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 2,
+	.min_vsize_align = 1,
 	.out_buf_count	 = 32,
 	.pix_limit	 = &s5p_pix_limit[1],
 };
@@ -1904,6 +1909,7 @@ static struct samsung_fimc_variant fimc3_variant_exynos4 = {
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 16,
 	.hor_offs_align	 = 2,
+	.min_vsize_align = 1,
 	.out_buf_count	 = 32,
 	.pix_limit	 = &s5p_pix_limit[3],
 };
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
index a6936dad5b10..c7f01c47b20f 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.h
+++ b/drivers/media/video/s5p-fimc/fimc-core.h
@@ -377,6 +377,7 @@ struct fimc_pix_limit {
  * @min_inp_pixsize: minimum input pixel size
  * @min_out_pixsize: minimum output pixel size
  * @hor_offs_align: horizontal pixel offset aligment
+ * @min_vsize_align: minimum vertical pixel size alignment
  * @out_buf_count: the number of buffers in output DMA sequence
  */
 struct samsung_fimc_variant {
@@ -390,6 +391,7 @@ struct samsung_fimc_variant {
 	u16		min_inp_pixsize;
 	u16		min_out_pixsize;
 	u16		hor_offs_align;
+	u16		min_vsize_align;
 	u16		out_buf_count;
 };
 
-- 
GitLab


From d12392ec006d94e5cf6c98f7ed56ff0c881ec33f Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Thu, 20 Oct 2011 05:15:59 -0300
Subject: [PATCH 0935/1594] [media] s5p-fimc: Fail driver probing when sensor
 configuration is wrong

When a sensor with MIPI-CSI interface is attached through platform
data definition and the MIPI-CSI receiver is not selected in kernel
configuration s5p-fimc driver probe() will now succeed, issuing only
a warning. It was done this way to allow the driver to work even if
system configuration is not exactly right.

Instead make the driver's probe() fail if a MIPI-CSI sensor was
requested but s5p-csis module is not present.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-mdevice.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.c b/drivers/media/video/s5p-fimc/fimc-mdevice.c
index fc81f6faa39a..615c862f0360 100644
--- a/drivers/media/video/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/video/s5p-fimc/fimc-mdevice.c
@@ -514,7 +514,7 @@ static int fimc_md_create_links(struct fimc_md *fmd)
 			if (WARN(csis == NULL,
 				 "MIPI-CSI interface specified "
 				 "but s5p-csis module is not loaded!\n"))
-				continue;
+				return -EINVAL;
 
 			ret = media_entity_create_link(&sensor->entity, 0,
 					      &csis->entity, CSIS_PAD_SINK,
-- 
GitLab


From f83f71fda27650ae43558633be93652577dbc38c Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Fri, 4 Nov 2011 10:07:06 -0300
Subject: [PATCH 0936/1594] [media] s5p-fimc: Use correct fourcc for RGB565
 colour format

With 16-bit RGB565 colour format pixels are stored by the device in memory
in the following order:

    | b3  | b2  | b1  | b0  |
   ~+-----+-----+-----+-----+
    | R5 G6 B5  | R5 G6 B5  |

This corresponds to V4L2_PIX_FMT_RGB565 fourcc, not V4L2_PIX_FMT_RGB565X.
This change is required to avoid trouble when setting up video pipeline
with the s5p-tv devices, so the colour formats at both devices can be
properly matched.

Cc: <stable@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 7c22d78b0569..07c6254faee3 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -37,7 +37,7 @@ static char *fimc_clocks[MAX_FIMC_CLOCKS] = {
 static struct fimc_fmt fimc_formats[] = {
 	{
 		.name		= "RGB565",
-		.fourcc		= V4L2_PIX_FMT_RGB565X,
+		.fourcc		= V4L2_PIX_FMT_RGB565,
 		.depth		= { 16 },
 		.color		= S5P_FIMC_RGB565,
 		.memplanes	= 1,
-- 
GitLab


From fbe78ddde1f217044ed854eff92e4d22112871cb Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Wed, 16 Nov 2011 08:19:58 -0300
Subject: [PATCH 0937/1594] [media] m5mols: Fix set_fmt to return proper pixel
 format code

In case pixel format is modified in set_fmt by the driver,
the changes are not propagated back to the caller. Fix this
by adjusting passed  data for TRY and ACTIVE format.

Also remove redundant pixel format code information from
struct m5mols_info, it's already available in 'ffmt' array.
Remove pad number validation in set/get_fmt, this is already
done in the core.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: HeungJun Kim <riverful.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/m5mols/m5mols.h      |  2 --
 drivers/media/video/m5mols/m5mols_core.c | 20 ++++++++------------
 2 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/media/video/m5mols/m5mols.h b/drivers/media/video/m5mols/m5mols.h
index 89d09a8914f8..82c8817bd32d 100644
--- a/drivers/media/video/m5mols/m5mols.h
+++ b/drivers/media/video/m5mols/m5mols.h
@@ -162,7 +162,6 @@ struct m5mols_version {
  * @pad: media pad
  * @ffmt: current fmt according to resolution type
  * @res_type: current resolution type
- * @code: current code
  * @irq_waitq: waitqueue for the capture
  * @work_irq: workqueue for the IRQ
  * @flags: state variable for the interrupt handler
@@ -192,7 +191,6 @@ struct m5mols_info {
 	struct media_pad pad;
 	struct v4l2_mbus_framefmt ffmt[M5MOLS_RESTYPE_MAX];
 	int res_type;
-	enum v4l2_mbus_pixelcode code;
 	wait_queue_head_t irq_waitq;
 	struct work_struct work_irq;
 	unsigned long flags;
diff --git a/drivers/media/video/m5mols/m5mols_core.c b/drivers/media/video/m5mols/m5mols_core.c
index 5d21d056d6a3..68497f8ddcd9 100644
--- a/drivers/media/video/m5mols/m5mols_core.c
+++ b/drivers/media/video/m5mols/m5mols_core.c
@@ -510,9 +510,6 @@ static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	struct m5mols_info *info = to_m5mols(sd);
 	struct v4l2_mbus_framefmt *format;
 
-	if (fmt->pad != 0)
-		return -EINVAL;
-
 	format = __find_format(info, fh, fmt->which, info->res_type);
 	if (!format)
 		return -EINVAL;
@@ -531,9 +528,6 @@ static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	u32 resolution = 0;
 	int ret;
 
-	if (fmt->pad != 0)
-		return -EINVAL;
-
 	ret = __find_resolution(sd, format, &type, &resolution);
 	if (ret < 0)
 		return ret;
@@ -542,13 +536,14 @@ static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
 	if (!sfmt)
 		return 0;
 
-	*sfmt		= m5mols_default_ffmt[type];
-	sfmt->width	= format->width;
-	sfmt->height	= format->height;
+
+	format->code = m5mols_default_ffmt[type].code;
+	format->colorspace = V4L2_COLORSPACE_JPEG;
+	format->field = V4L2_FIELD_NONE;
 
 	if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+		*sfmt = *format;
 		info->resolution = resolution;
-		info->code = format->code;
 		info->res_type = type;
 	}
 
@@ -625,13 +620,14 @@ static int m5mols_start_monitor(struct m5mols_info *info)
 static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
 {
 	struct m5mols_info *info = to_m5mols(sd);
+	u32 code = info->ffmt[info->res_type].code;
 
 	if (enable) {
 		int ret = -EINVAL;
 
-		if (is_code(info->code, M5MOLS_RESTYPE_MONITOR))
+		if (is_code(code, M5MOLS_RESTYPE_MONITOR))
 			ret = m5mols_start_monitor(info);
-		if (is_code(info->code, M5MOLS_RESTYPE_CAPTURE))
+		if (is_code(code, M5MOLS_RESTYPE_CAPTURE))
 			ret = m5mols_start_capture(info);
 
 		return ret;
-- 
GitLab


From 13020be8be2d5843c3810169cdbcc51f07ff020f Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Thu, 24 Nov 2011 09:40:07 +0000
Subject: [PATCH 0938/1594] powerpc: Fix compiliation with hugetlbfs enabled

arch/powerpc/mm/hugetlbpage.c: In function 'reserve_hugetlb_gpages':
arch/powerpc/mm/hugetlbpage.c:312:2: error: implicit declaration of function 'parse_args'

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/hugetlbpage.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 5964371303ac..8558b572e55d 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -15,6 +15,7 @@
 #include <linux/of_fdt.h>
 #include <linux/memblock.h>
 #include <linux/bootmem.h>
+#include <linux/moduleparam.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
 #include <asm/tlb.h>
-- 
GitLab


From 49e44064d7e3f24f874a51dd513b83ef9994aa8a Mon Sep 17 00:00:00 2001
From: Tony Breeds <tony@bakeyournoodle.com>
Date: Tue, 22 Nov 2011 13:50:46 +0000
Subject: [PATCH 0939/1594] powerpc/44x: Add mtd ndfc to the ppx44x defconfig

Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Acked-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/configs/ppc44x_defconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/configs/ppc44x_defconfig b/arch/powerpc/configs/ppc44x_defconfig
index 6cdf1c0d2c8a..3b98d7354341 100644
--- a/arch/powerpc/configs/ppc44x_defconfig
+++ b/arch/powerpc/configs/ppc44x_defconfig
@@ -52,6 +52,8 @@ CONFIG_MTD_CFI=y
 CONFIG_MTD_JEDECPROBE=y
 CONFIG_MTD_CFI_AMDSTD=y
 CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_NAND=m
+CONFIG_MTD_NAND_NDFC=m
 CONFIG_MTD_UBI=m
 CONFIG_MTD_UBI_GLUEBI=m
 CONFIG_PROC_DEVICETREE=y
-- 
GitLab


From 025521f917b9a36d76fb701609b3578b1563818b Mon Sep 17 00:00:00 2001
From: Dmitry Artamonow <mad_soft@inbox.ru>
Date: Sun, 20 Nov 2011 12:54:26 -0300
Subject: [PATCH 0940/1594] [media] omap3isp: fix compilation of ispvideo.c

Fix following build error by explicitely including <linux/module.h>
header file.

  CC      drivers/media/video/omap3isp/ispvideo.o

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/omap3isp/ispvideo.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c
index d1000723c5ae..f2290578448c 100644
--- a/drivers/media/video/omap3isp/ispvideo.c
+++ b/drivers/media/video/omap3isp/ispvideo.c
@@ -26,6 +26,7 @@
 #include <asm/cacheflush.h>
 #include <linux/clk.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/pagemap.h>
 #include <linux/scatterlist.h>
 #include <linux/sched.h>
-- 
GitLab


From fc8ac777ae39409e81f7dd2d123d980c0dfb528e Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Mon, 21 Nov 2011 05:02:38 -0300
Subject: [PATCH 0941/1594] [media] media: video: s5p-tv: fix build break

This patch fixes following build break:

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-tv/mixer_video.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/s5p-tv/mixer_video.c b/drivers/media/video/s5p-tv/mixer_video.c
index e16d3a4bc1dc..b47d0c06ecf5 100644
--- a/drivers/media/video/s5p-tv/mixer_video.c
+++ b/drivers/media/video/s5p-tv/mixer_video.c
@@ -16,6 +16,7 @@
 #include <media/v4l2-ioctl.h>
 #include <linux/videodev2.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/version.h>
 #include <linux/timer.h>
 #include <media/videobuf2-dma-contig.h>
-- 
GitLab


From 4c81f045c0bd2cbb78cc6446a4cd98038fe11a2e Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Thu, 24 Nov 2011 19:22:24 -0500
Subject: [PATCH 0942/1594] ext4: fix racy use-after-free in ext4_end_io_dio()

ext4_end_io_dio() queues io_end->work and then clears iocb->private;
however, io_end->work calls aio_complete() which frees the iocb
object.  If that slab object gets reallocated, then ext4_end_io_dio()
can end up clearing someone else's iocb->private, this use-after-free
can cause a leak of a struct ext4_io_end_t structure.

Detected and tested with slab poisoning.

[ Note: Can also reproduce using 12 fio's against 12 file systems with the
  following configuration file:

  [global]
  direct=1
  ioengine=libaio
  iodepth=1
  bs=4k
  ba=4k
  size=128m

  [create]
  filename=${TESTDIR}
  rw=write

  -- tytso ]

Google-Bug-Id: 5354697
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reported-by: Kent Overstreet <koverstreet@google.com>
Tested-by: Kent Overstreet <koverstreet@google.com>
Cc: stable@kernel.org
---
 fs/ext4/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index fffec40d5996..848f436df29f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2807,8 +2807,8 @@ out:
 	spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 
 	/* queue the work to convert unwritten extents to written */
-	queue_work(wq, &io_end->work);
 	iocb->private = NULL;
+	queue_work(wq, &io_end->work);
 
 	/* XXX: probably should move into the real I/O completion handler */
 	inode_dio_done(inode);
-- 
GitLab


From 42ca0203fd59aa9be7b241be1fbc3bef1f903f9c Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 23 Nov 2011 21:18:20 +0000
Subject: [PATCH 0943/1594] net/netlabel: copy and paste bug in
 netlbl_cfg_unlbl_map_add()

This was copy and pasted from the IPv4 code.  We're calling the
ip4 version of that function and map4 is NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netlabel/netlabel_kapi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 9c24de10a657..7b372a763c60 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -162,8 +162,8 @@ int netlbl_cfg_unlbl_map_add(const char *domain,
 			map6->list.addr.s6_addr32[3] &= mask6->s6_addr32[3];
 			ipv6_addr_copy(&map6->list.mask, mask6);
 			map6->list.valid = 1;
-			ret_val = netlbl_af4list_add(&map4->list,
-						     &addrmap->list4);
+			ret_val = netlbl_af6list_add(&map6->list,
+						     &addrmap->list6);
 			if (ret_val != 0)
 				goto cfg_unlbl_map_add_failure;
 			break;
-- 
GitLab


From ae95757a9065d89be7c1ca613b53163dd30858b7 Mon Sep 17 00:00:00 2001
From: Dave Young <dyoung@redhat.com>
Date: Fri, 25 Nov 2011 09:41:25 +0100
Subject: [PATCH 0944/1594] loop: fix loop block driver discard and encryption
 comment

The loop driver does not support discard if encryption is enabled,
fix the comment.

Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/loop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 68b205a9338f..5579fda279b4 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -422,7 +422,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
 
 		/*
 		 * We use punch hole to reclaim the free space used by the
-		 * image a.k.a. discard. However we do support discard if
+		 * image a.k.a. discard. However we do not support discard if
 		 * encryption is enabled, because it may give an attacker
 		 * useful information.
 		 */
-- 
GitLab


From b52fabca369f433999837b73031bdd34feb6fca2 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Thu, 24 Nov 2011 10:29:14 -0500
Subject: [PATCH 0945/1594] hwmon: Remove redundant spi driver bus
 initialization

In ancient times it was necessary to manually initialize the bus field of an
spi_driver to spi_bus_type. These days this is done in spi_register_driver(),
so we can drop the manual assignment.

The patch was generated using the following coccinelle semantic patch:
// <smpl>
@@
identifier _driver;
@@
struct spi_driver _driver = {
	.driver = {
-		.bus = &spi_bus_type,
	},
};
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: lm-sensors@lm-sensors.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
---
 drivers/hwmon/ad7314.c  | 1 -
 drivers/hwmon/ads7871.c | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c
index 318e38e85376..5d760f3d21c2 100644
--- a/drivers/hwmon/ad7314.c
+++ b/drivers/hwmon/ad7314.c
@@ -160,7 +160,6 @@ MODULE_DEVICE_TABLE(spi, ad7314_id);
 static struct spi_driver ad7314_driver = {
 	.driver = {
 		.name = "ad7314",
-		.bus = &spi_bus_type,
 		.owner = THIS_MODULE,
 	},
 	.probe = ad7314_probe,
diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c
index 52319340e182..04450f8bf5da 100644
--- a/drivers/hwmon/ads7871.c
+++ b/drivers/hwmon/ads7871.c
@@ -227,7 +227,6 @@ static int __devexit ads7871_remove(struct spi_device *spi)
 static struct spi_driver ads7871_driver = {
 	.driver = {
 		.name = DEVICE_NAME,
-		.bus = &spi_bus_type,
 		.owner = THIS_MODULE,
 	},
 
-- 
GitLab


From df07a94cf50eb73d09bf2350c3fe2598e4cbeee1 Mon Sep 17 00:00:00 2001
From: "Jorge Boncompte [DTI2]" <jorge@dti2.net>
Date: Fri, 25 Nov 2011 13:24:49 -0500
Subject: [PATCH 0946/1594] netns: fix proxy ARP entries listing on a netns

Skip entries from foreign network namespaces.

Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/neighbour.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 039d51e6c284..5ac07d31fbc9 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2397,7 +2397,10 @@ static struct pneigh_entry *pneigh_get_next(struct seq_file *seq,
 	struct net *net = seq_file_net(seq);
 	struct neigh_table *tbl = state->tbl;
 
-	pn = pn->next;
+	do {
+		pn = pn->next;
+	} while (pn && !net_eq(pneigh_net(pn), net));
+
 	while (!pn) {
 		if (++state->bucket > PNEIGH_HASHMASK)
 			break;
-- 
GitLab


From 25a236a5dba47a16affb105525cfd75eaa03ceea Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Fri, 25 Nov 2011 02:31:00 -0500
Subject: [PATCH 0947/1594] hwmon: convert drivers/hwmon/* to use
 module_platform_driver()

This patch converts the drivers in drivers/hwmon/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.

Cc: Donggeun Kim <dg77.kim@samsung.com>
Cc: Simon Guinot <sguinot@lacie.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: J Keerthy <j-keerthy@ti.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
---
 drivers/hwmon/exynos4_tmu.c        | 12 +-----------
 drivers/hwmon/gpio-fan.c           | 13 +------------
 drivers/hwmon/jz4740-hwmon.c       | 12 +-----------
 drivers/hwmon/ntc_thermistor.c     | 14 +-------------
 drivers/hwmon/s3c-hwmon.c          | 13 +------------
 drivers/hwmon/sch5627.c            | 13 +------------
 drivers/hwmon/sch5636.c            | 13 +------------
 drivers/hwmon/twl4030-madc-hwmon.c | 14 +-------------
 drivers/hwmon/ultra45_env.c        | 13 +------------
 drivers/hwmon/wm831x-hwmon.c       | 12 +-----------
 drivers/hwmon/wm8350-hwmon.c       | 12 +-----------
 11 files changed, 11 insertions(+), 130 deletions(-)

diff --git a/drivers/hwmon/exynos4_tmu.c b/drivers/hwmon/exynos4_tmu.c
index faa0884f61f6..f2359a0093bd 100644
--- a/drivers/hwmon/exynos4_tmu.c
+++ b/drivers/hwmon/exynos4_tmu.c
@@ -506,17 +506,7 @@ static struct platform_driver exynos4_tmu_driver = {
 	.resume = exynos4_tmu_resume,
 };
 
-static int __init exynos4_tmu_driver_init(void)
-{
-	return platform_driver_register(&exynos4_tmu_driver);
-}
-module_init(exynos4_tmu_driver_init);
-
-static void __exit exynos4_tmu_driver_exit(void)
-{
-	platform_driver_unregister(&exynos4_tmu_driver);
-}
-module_exit(exynos4_tmu_driver_exit);
+module_platform_driver(exynos4_tmu_driver);
 
 MODULE_DESCRIPTION("EXYNOS4 TMU Driver");
 MODULE_AUTHOR("Donggeun Kim <dg77.kim@samsung.com>");
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index 89aa9fb743af..9ba38f318ffb 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -539,18 +539,7 @@ static struct platform_driver gpio_fan_driver = {
 	},
 };
 
-static int __init gpio_fan_init(void)
-{
-	return platform_driver_register(&gpio_fan_driver);
-}
-
-static void __exit gpio_fan_exit(void)
-{
-	platform_driver_unregister(&gpio_fan_driver);
-}
-
-module_init(gpio_fan_init);
-module_exit(gpio_fan_exit);
+module_platform_driver(gpio_fan_driver);
 
 MODULE_AUTHOR("Simon Guinot <sguinot@lacie.com>");
 MODULE_DESCRIPTION("GPIO FAN driver");
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index fea292d43407..7a48b1eb4233 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -212,17 +212,7 @@ struct platform_driver jz4740_hwmon_driver = {
 	},
 };
 
-static int __init jz4740_hwmon_init(void)
-{
-	return platform_driver_register(&jz4740_hwmon_driver);
-}
-module_init(jz4740_hwmon_init);
-
-static void __exit jz4740_hwmon_exit(void)
-{
-	platform_driver_unregister(&jz4740_hwmon_driver);
-}
-module_exit(jz4740_hwmon_exit);
+module_platform_driver(jz4740_hwmon_driver);
 
 MODULE_DESCRIPTION("JZ4740 SoC HWMON driver");
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index eab11615dced..9b382ec2c3bd 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -432,19 +432,7 @@ static struct platform_driver ntc_thermistor_driver = {
 	.id_table = ntc_thermistor_id,
 };
 
-static int __init ntc_thermistor_init(void)
-{
-	return platform_driver_register(&ntc_thermistor_driver);
-}
-
-module_init(ntc_thermistor_init);
-
-static void __exit ntc_thermistor_cleanup(void)
-{
-	platform_driver_unregister(&ntc_thermistor_driver);
-}
-
-module_exit(ntc_thermistor_cleanup);
+module_platform_driver(ntc_thermistor_driver);
 
 MODULE_DESCRIPTION("NTC Thermistor Driver");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
diff --git a/drivers/hwmon/s3c-hwmon.c b/drivers/hwmon/s3c-hwmon.c
index b39f52e2752a..f6c26d19f521 100644
--- a/drivers/hwmon/s3c-hwmon.c
+++ b/drivers/hwmon/s3c-hwmon.c
@@ -393,18 +393,7 @@ static struct platform_driver s3c_hwmon_driver = {
 	.remove		= __devexit_p(s3c_hwmon_remove),
 };
 
-static int __init s3c_hwmon_init(void)
-{
-	return platform_driver_register(&s3c_hwmon_driver);
-}
-
-static void __exit s3c_hwmon_exit(void)
-{
-	platform_driver_unregister(&s3c_hwmon_driver);
-}
-
-module_init(s3c_hwmon_init);
-module_exit(s3c_hwmon_exit);
+module_platform_driver(s3c_hwmon_driver);
 
 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 MODULE_DESCRIPTION("S3C ADC HWMon driver");
diff --git a/drivers/hwmon/sch5627.c b/drivers/hwmon/sch5627.c
index e3b5c6039c25..79b6dabe3161 100644
--- a/drivers/hwmon/sch5627.c
+++ b/drivers/hwmon/sch5627.c
@@ -590,19 +590,8 @@ static struct platform_driver sch5627_driver = {
 	.remove		= sch5627_remove,
 };
 
-static int __init sch5627_init(void)
-{
-	return platform_driver_register(&sch5627_driver);
-}
-
-static void __exit sch5627_exit(void)
-{
-	platform_driver_unregister(&sch5627_driver);
-}
+module_platform_driver(sch5627_driver);
 
 MODULE_DESCRIPTION("SMSC SCH5627 Hardware Monitoring Driver");
 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_LICENSE("GPL");
-
-module_init(sch5627_init);
-module_exit(sch5627_exit);
diff --git a/drivers/hwmon/sch5636.c b/drivers/hwmon/sch5636.c
index 244407aa79fc..9d5236fb09b4 100644
--- a/drivers/hwmon/sch5636.c
+++ b/drivers/hwmon/sch5636.c
@@ -521,19 +521,8 @@ static struct platform_driver sch5636_driver = {
 	.remove		= sch5636_remove,
 };
 
-static int __init sch5636_init(void)
-{
-	return platform_driver_register(&sch5636_driver);
-}
-
-static void __exit sch5636_exit(void)
-{
-	platform_driver_unregister(&sch5636_driver);
-}
+module_platform_driver(sch5636_driver);
 
 MODULE_DESCRIPTION("SMSC SCH5636 Hardware Monitoring Driver");
 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_LICENSE("GPL");
-
-module_init(sch5636_init);
-module_exit(sch5636_exit);
diff --git a/drivers/hwmon/twl4030-madc-hwmon.c b/drivers/hwmon/twl4030-madc-hwmon.c
index 57240740b161..0018c7dd0097 100644
--- a/drivers/hwmon/twl4030-madc-hwmon.c
+++ b/drivers/hwmon/twl4030-madc-hwmon.c
@@ -136,19 +136,7 @@ static struct platform_driver twl4030_madc_hwmon_driver = {
 		   },
 };
 
-static int __init twl4030_madc_hwmon_init(void)
-{
-	return platform_driver_register(&twl4030_madc_hwmon_driver);
-}
-
-module_init(twl4030_madc_hwmon_init);
-
-static void __exit twl4030_madc_hwmon_exit(void)
-{
-	platform_driver_unregister(&twl4030_madc_hwmon_driver);
-}
-
-module_exit(twl4030_madc_hwmon_exit);
+module_platform_driver(twl4030_madc_hwmon_driver);
 
 MODULE_DESCRIPTION("TWL4030 ADC Hwmon driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index 3cd07bf42dca..b9a87e89bab4 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -309,15 +309,4 @@ static struct platform_driver env_driver = {
 	.remove		= __devexit_p(env_remove),
 };
 
-static int __init env_init(void)
-{
-	return platform_driver_register(&env_driver);
-}
-
-static void __exit env_exit(void)
-{
-	platform_driver_unregister(&env_driver);
-}
-
-module_init(env_init);
-module_exit(env_exit);
+module_platform_driver(env_driver);
diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c
index 97b1f834a471..9b598ed26020 100644
--- a/drivers/hwmon/wm831x-hwmon.c
+++ b/drivers/hwmon/wm831x-hwmon.c
@@ -209,17 +209,7 @@ static struct platform_driver wm831x_hwmon_driver = {
 	},
 };
 
-static int __init wm831x_hwmon_init(void)
-{
-	return platform_driver_register(&wm831x_hwmon_driver);
-}
-module_init(wm831x_hwmon_init);
-
-static void __exit wm831x_hwmon_exit(void)
-{
-	platform_driver_unregister(&wm831x_hwmon_driver);
-}
-module_exit(wm831x_hwmon_exit);
+module_platform_driver(wm831x_hwmon_driver);
 
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 MODULE_DESCRIPTION("WM831x Hardware Monitoring");
diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c
index 13290595ca86..3ff67edbdc44 100644
--- a/drivers/hwmon/wm8350-hwmon.c
+++ b/drivers/hwmon/wm8350-hwmon.c
@@ -133,17 +133,7 @@ static struct platform_driver wm8350_hwmon_driver = {
 	},
 };
 
-static int __init wm8350_hwmon_init(void)
-{
-	return platform_driver_register(&wm8350_hwmon_driver);
-}
-module_init(wm8350_hwmon_init);
-
-static void __exit wm8350_hwmon_exit(void)
-{
-	platform_driver_unregister(&wm8350_hwmon_driver);
-}
-module_exit(wm8350_hwmon_exit);
+module_platform_driver(wm8350_hwmon_driver);
 
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 MODULE_DESCRIPTION("WM8350 Hardware Monitoring");
-- 
GitLab


From 6b600b26c0215bf9ed04062ecfacf0bc20e2588c Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 23 Nov 2011 02:12:13 +0000
Subject: [PATCH 0948/1594] route: Use the device mtu as the default for
 blackhole routes

As it is, we return null as the default mtu of blackhole routes.
This may lead to a propagation of a bogus pmtu if the default_mtu
method of a blackhole route is invoked. So return dst->dev->mtu
as the default mtu instead.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 2 +-
 net/ipv6/route.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0c74da8a0473..5b17bf124a33 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2757,7 +2757,7 @@ static struct dst_entry *ipv4_blackhole_dst_check(struct dst_entry *dst, u32 coo
 
 static unsigned int ipv4_blackhole_default_mtu(const struct dst_entry *dst)
 {
-	return 0;
+	return dst->dev->mtu;
 }
 
 static void ipv4_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 8473016bba4a..d8fbd18c9467 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -157,7 +157,7 @@ static struct dst_ops ip6_dst_ops_template = {
 
 static unsigned int ip6_blackhole_default_mtu(const struct dst_entry *dst)
 {
-	return 0;
+	return dst->dev->mtu;
 }
 
 static void ip6_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
-- 
GitLab


From ebb762f27fed083cb993a0816393aba4615f6544 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 23 Nov 2011 02:12:51 +0000
Subject: [PATCH 0949/1594] net: Rename the dst_opt default_mtu method to mtu

We plan to invoke the dst_opt->default_mtu() method unconditioally
from dst_mtu(). So rename the method to dst_opt->mtu() to match
the name with the new meaning.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/dst.h      |  2 +-
 include/net/dst_ops.h  |  2 +-
 net/decnet/dn_route.c  |  6 +++---
 net/ipv4/route.c       | 10 +++++-----
 net/ipv6/route.c       | 10 +++++-----
 net/xfrm/xfrm_policy.c |  6 +++---
 6 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/include/net/dst.h b/include/net/dst.h
index 4fb6c4381791..666de31d8e7d 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -208,7 +208,7 @@ static inline u32 dst_mtu(const struct dst_entry *dst)
 	u32 mtu = dst_metric_raw(dst, RTAX_MTU);
 
 	if (!mtu)
-		mtu = dst->ops->default_mtu(dst);
+		mtu = dst->ops->mtu(dst);
 
 	return mtu;
 }
diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index 9adb99845a56..e1c2ee0eef47 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -17,7 +17,7 @@ struct dst_ops {
 	int			(*gc)(struct dst_ops *ops);
 	struct dst_entry *	(*check)(struct dst_entry *, __u32 cookie);
 	unsigned int		(*default_advmss)(const struct dst_entry *);
-	unsigned int		(*default_mtu)(const struct dst_entry *);
+	unsigned int		(*mtu)(const struct dst_entry *);
 	u32 *			(*cow_metrics)(struct dst_entry *, unsigned long);
 	void			(*destroy)(struct dst_entry *);
 	void			(*ifdown)(struct dst_entry *,
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index a77d16158eb6..db4867963247 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -112,7 +112,7 @@ static unsigned long dn_rt_deadline;
 static int dn_dst_gc(struct dst_ops *ops);
 static struct dst_entry *dn_dst_check(struct dst_entry *, __u32);
 static unsigned int dn_dst_default_advmss(const struct dst_entry *dst);
-static unsigned int dn_dst_default_mtu(const struct dst_entry *dst);
+static unsigned int dn_dst_mtu(const struct dst_entry *dst);
 static void dn_dst_destroy(struct dst_entry *);
 static struct dst_entry *dn_dst_negative_advice(struct dst_entry *);
 static void dn_dst_link_failure(struct sk_buff *);
@@ -135,7 +135,7 @@ static struct dst_ops dn_dst_ops = {
 	.gc =			dn_dst_gc,
 	.check =		dn_dst_check,
 	.default_advmss =	dn_dst_default_advmss,
-	.default_mtu =		dn_dst_default_mtu,
+	.mtu =			dn_dst_mtu,
 	.cow_metrics =		dst_cow_metrics_generic,
 	.destroy =		dn_dst_destroy,
 	.negative_advice =	dn_dst_negative_advice,
@@ -825,7 +825,7 @@ static unsigned int dn_dst_default_advmss(const struct dst_entry *dst)
 	return dn_mss_from_pmtu(dst->dev, dst_mtu(dst));
 }
 
-static unsigned int dn_dst_default_mtu(const struct dst_entry *dst)
+static unsigned int dn_dst_mtu(const struct dst_entry *dst)
 {
 	return dst->dev->mtu;
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5b17bf124a33..f1ac3efc5524 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -138,7 +138,7 @@ static int rt_chain_length_max __read_mostly	= 20;
 
 static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie);
 static unsigned int	 ipv4_default_advmss(const struct dst_entry *dst);
-static unsigned int	 ipv4_default_mtu(const struct dst_entry *dst);
+static unsigned int	 ipv4_mtu(const struct dst_entry *dst);
 static void		 ipv4_dst_destroy(struct dst_entry *dst);
 static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst);
 static void		 ipv4_link_failure(struct sk_buff *skb);
@@ -193,7 +193,7 @@ static struct dst_ops ipv4_dst_ops = {
 	.gc =			rt_garbage_collect,
 	.check =		ipv4_dst_check,
 	.default_advmss =	ipv4_default_advmss,
-	.default_mtu =		ipv4_default_mtu,
+	.mtu =			ipv4_mtu,
 	.cow_metrics =		ipv4_cow_metrics,
 	.destroy =		ipv4_dst_destroy,
 	.ifdown =		ipv4_dst_ifdown,
@@ -1814,7 +1814,7 @@ static unsigned int ipv4_default_advmss(const struct dst_entry *dst)
 	return advmss;
 }
 
-static unsigned int ipv4_default_mtu(const struct dst_entry *dst)
+static unsigned int ipv4_mtu(const struct dst_entry *dst)
 {
 	unsigned int mtu = dst->dev->mtu;
 
@@ -2755,7 +2755,7 @@ static struct dst_entry *ipv4_blackhole_dst_check(struct dst_entry *dst, u32 coo
 	return NULL;
 }
 
-static unsigned int ipv4_blackhole_default_mtu(const struct dst_entry *dst)
+static unsigned int ipv4_blackhole_mtu(const struct dst_entry *dst)
 {
 	return dst->dev->mtu;
 }
@@ -2775,7 +2775,7 @@ static struct dst_ops ipv4_dst_blackhole_ops = {
 	.protocol		=	cpu_to_be16(ETH_P_IP),
 	.destroy		=	ipv4_dst_destroy,
 	.check			=	ipv4_blackhole_dst_check,
-	.default_mtu		=	ipv4_blackhole_default_mtu,
+	.mtu			=	ipv4_blackhole_mtu,
 	.default_advmss		=	ipv4_default_advmss,
 	.update_pmtu		=	ipv4_rt_blackhole_update_pmtu,
 	.cow_metrics		=	ipv4_rt_blackhole_cow_metrics,
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index d8fbd18c9467..76645d7077ff 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -77,7 +77,7 @@ static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
 				    const struct in6_addr *dest);
 static struct dst_entry	*ip6_dst_check(struct dst_entry *dst, u32 cookie);
 static unsigned int	 ip6_default_advmss(const struct dst_entry *dst);
-static unsigned int	 ip6_default_mtu(const struct dst_entry *dst);
+static unsigned int	 ip6_mtu(const struct dst_entry *dst);
 static struct dst_entry *ip6_negative_advice(struct dst_entry *);
 static void		ip6_dst_destroy(struct dst_entry *);
 static void		ip6_dst_ifdown(struct dst_entry *,
@@ -144,7 +144,7 @@ static struct dst_ops ip6_dst_ops_template = {
 	.gc_thresh		=	1024,
 	.check			=	ip6_dst_check,
 	.default_advmss		=	ip6_default_advmss,
-	.default_mtu		=	ip6_default_mtu,
+	.mtu			=	ip6_mtu,
 	.cow_metrics		=	ipv6_cow_metrics,
 	.destroy		=	ip6_dst_destroy,
 	.ifdown			=	ip6_dst_ifdown,
@@ -155,7 +155,7 @@ static struct dst_ops ip6_dst_ops_template = {
 	.neigh_lookup		=	ip6_neigh_lookup,
 };
 
-static unsigned int ip6_blackhole_default_mtu(const struct dst_entry *dst)
+static unsigned int ip6_blackhole_mtu(const struct dst_entry *dst)
 {
 	return dst->dev->mtu;
 }
@@ -175,7 +175,7 @@ static struct dst_ops ip6_dst_blackhole_ops = {
 	.protocol		=	cpu_to_be16(ETH_P_IPV6),
 	.destroy		=	ip6_dst_destroy,
 	.check			=	ip6_dst_check,
-	.default_mtu		=	ip6_blackhole_default_mtu,
+	.mtu			=	ip6_blackhole_mtu,
 	.default_advmss		=	ip6_default_advmss,
 	.update_pmtu		=	ip6_rt_blackhole_update_pmtu,
 	.cow_metrics		=	ip6_rt_blackhole_cow_metrics,
@@ -1041,7 +1041,7 @@ static unsigned int ip6_default_advmss(const struct dst_entry *dst)
 	return mtu;
 }
 
-static unsigned int ip6_default_mtu(const struct dst_entry *dst)
+static unsigned int ip6_mtu(const struct dst_entry *dst)
 {
 	unsigned int mtu = IPV6_MIN_MTU;
 	struct inet6_dev *idev;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 552df27dcf53..b8be51eb7e29 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2382,7 +2382,7 @@ static unsigned int xfrm_default_advmss(const struct dst_entry *dst)
 	return dst_metric_advmss(dst->path);
 }
 
-static unsigned int xfrm_default_mtu(const struct dst_entry *dst)
+static unsigned int xfrm_mtu(const struct dst_entry *dst)
 {
 	return dst_mtu(dst->path);
 }
@@ -2411,8 +2411,8 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
 			dst_ops->check = xfrm_dst_check;
 		if (likely(dst_ops->default_advmss == NULL))
 			dst_ops->default_advmss = xfrm_default_advmss;
-		if (likely(dst_ops->default_mtu == NULL))
-			dst_ops->default_mtu = xfrm_default_mtu;
+		if (likely(dst_ops->mtu == NULL))
+			dst_ops->mtu = xfrm_mtu;
 		if (likely(dst_ops->negative_advice == NULL))
 			dst_ops->negative_advice = xfrm_negative_advice;
 		if (likely(dst_ops->link_failure == NULL))
-- 
GitLab


From 618f9bc74a039da76fa027ac2600c5b785b964c5 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 23 Nov 2011 02:13:31 +0000
Subject: [PATCH 0950/1594] net: Move mtu handling down to the protocol
 depended handlers

We move all mtu handling from dst_mtu() down to the protocol
layer. So each protocol can implement the mtu handling in
a different manner.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/dst.h      |  7 +------
 net/decnet/dn_route.c  |  4 +++-
 net/ipv4/route.c       | 11 +++++++++--
 net/ipv6/route.c       | 11 +++++++++--
 net/xfrm/xfrm_policy.c |  4 +++-
 5 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/include/net/dst.h b/include/net/dst.h
index 666de31d8e7d..6faec1a60216 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -205,12 +205,7 @@ dst_feature(const struct dst_entry *dst, u32 feature)
 
 static inline u32 dst_mtu(const struct dst_entry *dst)
 {
-	u32 mtu = dst_metric_raw(dst, RTAX_MTU);
-
-	if (!mtu)
-		mtu = dst->ops->mtu(dst);
-
-	return mtu;
+	return dst->ops->mtu(dst);
 }
 
 /* RTT metrics are stored in milliseconds for user ABI, but used as jiffies */
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index db4867963247..94f4ec036669 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -827,7 +827,9 @@ static unsigned int dn_dst_default_advmss(const struct dst_entry *dst)
 
 static unsigned int dn_dst_mtu(const struct dst_entry *dst)
 {
-	return dst->dev->mtu;
+	unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
+
+	return mtu ? : dst->dev->mtu;
 }
 
 static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f1ac3efc5524..11d1b2080a16 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1816,7 +1816,12 @@ static unsigned int ipv4_default_advmss(const struct dst_entry *dst)
 
 static unsigned int ipv4_mtu(const struct dst_entry *dst)
 {
-	unsigned int mtu = dst->dev->mtu;
+	unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
+
+	if (mtu)
+		return mtu;
+
+	mtu = dst->dev->mtu;
 
 	if (unlikely(dst_metric_locked(dst, RTAX_MTU))) {
 		const struct rtable *rt = (const struct rtable *) dst;
@@ -2757,7 +2762,9 @@ static struct dst_entry *ipv4_blackhole_dst_check(struct dst_entry *dst, u32 coo
 
 static unsigned int ipv4_blackhole_mtu(const struct dst_entry *dst)
 {
-	return dst->dev->mtu;
+	unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
+
+	return mtu ? : dst->dev->mtu;
 }
 
 static void ipv4_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 76645d7077ff..3399dd326287 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -157,7 +157,9 @@ static struct dst_ops ip6_dst_ops_template = {
 
 static unsigned int ip6_blackhole_mtu(const struct dst_entry *dst)
 {
-	return dst->dev->mtu;
+	unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
+
+	return mtu ? : dst->dev->mtu;
 }
 
 static void ip6_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
@@ -1043,8 +1045,13 @@ static unsigned int ip6_default_advmss(const struct dst_entry *dst)
 
 static unsigned int ip6_mtu(const struct dst_entry *dst)
 {
-	unsigned int mtu = IPV6_MIN_MTU;
 	struct inet6_dev *idev;
+	unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
+
+	if (mtu)
+		return mtu;
+
+	mtu = IPV6_MIN_MTU;
 
 	rcu_read_lock();
 	idev = __in6_dev_get(dst->dev);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index b8be51eb7e29..2118d6446630 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2384,7 +2384,9 @@ static unsigned int xfrm_default_advmss(const struct dst_entry *dst)
 
 static unsigned int xfrm_mtu(const struct dst_entry *dst)
 {
-	return dst_mtu(dst->path);
+	unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
+
+	return mtu ? : dst_mtu(dst->path);
 }
 
 static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, const void *daddr)
-- 
GitLab


From b8400f3718a11c9b0ca400705cddf94f3132c1c3 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 23 Nov 2011 02:14:15 +0000
Subject: [PATCH 0951/1594] route: struct rtable can be const in
 rt_is_input_route and rt_is_output_route

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/route.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/route.h b/include/net/route.h
index db7b3432f07c..91855d185b53 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -71,12 +71,12 @@ struct rtable {
 	struct fib_info		*fi; /* for client ref to shared metrics */
 };
 
-static inline bool rt_is_input_route(struct rtable *rt)
+static inline bool rt_is_input_route(const struct rtable *rt)
 {
 	return rt->rt_route_iif != 0;
 }
 
-static inline bool rt_is_output_route(struct rtable *rt)
+static inline bool rt_is_output_route(const struct rtable *rt)
 {
 	return rt->rt_route_iif == 0;
 }
-- 
GitLab


From 261663b0ee2ee8e3947f4c11c1a08be18cd2cea1 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 23 Nov 2011 02:14:50 +0000
Subject: [PATCH 0952/1594] ipv4: Don't use the cached pmtu informations for
 input routes

The pmtu informations on the inetpeer are visible for output and
input routes. On packet forwarding, we might propagate a learned
pmtu to the sender. As we update the pmtu informations of the
inetpeer on demand, the original sender of the forwarded packets
might never notice when the pmtu to that inetpeer increases.
So use the mtu of the outgoing device on packet forwarding instead
of the pmtu to the final destination.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 11d1b2080a16..fb47c8f0cd86 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1816,15 +1816,15 @@ static unsigned int ipv4_default_advmss(const struct dst_entry *dst)
 
 static unsigned int ipv4_mtu(const struct dst_entry *dst)
 {
+	const struct rtable *rt = (const struct rtable *) dst;
 	unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
 
-	if (mtu)
+	if (mtu && rt_is_output_route(rt))
 		return mtu;
 
 	mtu = dst->dev->mtu;
 
 	if (unlikely(dst_metric_locked(dst, RTAX_MTU))) {
-		const struct rtable *rt = (const struct rtable *) dst;
 
 		if (rt->rt_gateway != rt->rt_dst && mtu > 576)
 			mtu = 576;
-- 
GitLab


From fc0b927d9a5024e138c4318fe19a590f23e3eeec Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Fri, 25 Nov 2011 14:40:02 +0000
Subject: [PATCH 0953/1594] net: Revert ARCNET and PHYLIB to tristate options

commit 88491d8103498a6166f70d5999902fec70924314 ("drivers/net: Kconfig
& Makefile cleanup") changed the type of these options to bool, but
they select code that could (and still can) be built as modules.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/arcnet/Kconfig | 2 +-
 drivers/net/phy/Kconfig    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/arcnet/Kconfig b/drivers/net/arcnet/Kconfig
index a73d9dc80ff6..84fb6349a59a 100644
--- a/drivers/net/arcnet/Kconfig
+++ b/drivers/net/arcnet/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig ARCNET
 	depends on NETDEVICES && (ISA || PCI || PCMCIA)
-	bool "ARCnet support"
+	tristate "ARCnet support"
 	---help---
 	  If you have a network card of this type, say Y and check out the
 	  (arguably) beautiful poetry in
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index bb88e12101c7..a70244306c94 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -3,7 +3,7 @@
 #
 
 menuconfig PHYLIB
-	bool "PHY Device support and infrastructure"
+	tristate "PHY Device support and infrastructure"
 	depends on !S390
 	depends on NETDEVICES
 	help
-- 
GitLab


From 8a6e77d5209e459a9ec5c268c39800c06cd1dc86 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 21 Nov 2011 00:21:55 +0000
Subject: [PATCH 0954/1594] decnet: proper socket refcounting

Better use sk_reset_timer() / sk_stop_timer() helpers to make sure we
dont access already freed/reused memory later.

Reported-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Tested-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/decnet/dn_timer.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/net/decnet/dn_timer.c b/net/decnet/dn_timer.c
index 67f691bd4acf..d9c150cc59a9 100644
--- a/net/decnet/dn_timer.c
+++ b/net/decnet/dn_timer.c
@@ -36,16 +36,13 @@ static void dn_slow_timer(unsigned long arg);
 
 void dn_start_slow_timer(struct sock *sk)
 {
-	sk->sk_timer.expires	= jiffies + SLOW_INTERVAL;
-	sk->sk_timer.function	= dn_slow_timer;
-	sk->sk_timer.data	= (unsigned long)sk;
-
-	add_timer(&sk->sk_timer);
+	setup_timer(&sk->sk_timer, dn_slow_timer, (unsigned long)sk);
+	sk_reset_timer(sk, &sk->sk_timer, jiffies + SLOW_INTERVAL);
 }
 
 void dn_stop_slow_timer(struct sock *sk)
 {
-	del_timer(&sk->sk_timer);
+	sk_stop_timer(sk, &sk->sk_timer);
 }
 
 static void dn_slow_timer(unsigned long arg)
@@ -53,12 +50,10 @@ static void dn_slow_timer(unsigned long arg)
 	struct sock *sk = (struct sock *)arg;
 	struct dn_scp *scp = DN_SK(sk);
 
-	sock_hold(sk);
 	bh_lock_sock(sk);
 
 	if (sock_owned_by_user(sk)) {
-		sk->sk_timer.expires = jiffies + HZ / 10;
-		add_timer(&sk->sk_timer);
+		sk_reset_timer(sk, &sk->sk_timer, jiffies + HZ / 10);
 		goto out;
 	}
 
@@ -100,9 +95,7 @@ static void dn_slow_timer(unsigned long arg)
 			scp->keepalive_fxn(sk);
 	}
 
-	sk->sk_timer.expires = jiffies + SLOW_INTERVAL;
-
-	add_timer(&sk->sk_timer);
+	sk_reset_timer(sk, &sk->sk_timer, jiffies + SLOW_INTERVAL);
 out:
 	bh_unlock_sock(sk);
 	sock_put(sk);
-- 
GitLab


From 71b1391a41289735676be02e35239e5aa9fe6ba6 Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Fri, 25 Nov 2011 06:47:16 +0000
Subject: [PATCH 0955/1594] l2tp: ensure sk->dst is still valid

When using l2tp over ipsec, the tunnel will hang when rekeying
occurs. Reason is that the transformer bundle attached to the dst entry
is now in STATE_DEAD and thus xfrm_output_one() drops all packets
(XfrmOutStateExpired increases).

Fix this by calling __sk_dst_check (which drops the stale dst
if xfrm dst->check callback finds that the bundle is no longer valid).

Cc: James Chapman <jchapman@katalix.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/l2tp/l2tp_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index cf0f308abf5e..89ff8c67943e 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1072,7 +1072,7 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len
 
 	/* Get routing info from the tunnel socket */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, dst_clone(__sk_dst_get(sk)));
+	skb_dst_set(skb, dst_clone(__sk_dst_check(sk, 0)));
 
 	inet = inet_sk(sk);
 	fl = &inet->cork.fl;
-- 
GitLab


From 83b98fb46ff136945f9d06a9bf6e6aae2ffc37b3 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 21 Nov 2011 07:51:56 +0000
Subject: [PATCH 0956/1594] dm9000: Fix check for disabled wake on LAN

We're trying to check if any options are defined which isn't wha the
existing code does due to confusing & and &&.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/davicom/dm9000.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 438f4580bf66..2a22f5256353 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -613,7 +613,7 @@ static int dm9000_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
 
 		if (!dm->wake_state)
 			irq_set_irq_wake(dm->irq_wake, 1);
-		else if (dm->wake_state & !opts)
+		else if (dm->wake_state && !opts)
 			irq_set_irq_wake(dm->irq_wake, 0);
 	}
 
-- 
GitLab


From aaa0b4f00729d5530b7d983930e60255574b347b Mon Sep 17 00:00:00 2001
From: Andy Whitcroft <apw@canonical.com>
Date: Fri, 25 Nov 2011 10:56:22 +0000
Subject: [PATCH 0957/1594] iio: iio_event_getfd -- fix ev_int build failure

Fix build failure in staging iio driver:

.../drivers/staging/iio/industrialio-core.c: In function 'iio_event_getfd':
.../drivers/staging/iio/industrialio-core.c:262:32: error:
			'ev_int' undeclared (first use in this function)

Also convert the rest of the function to use the new variable.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/staging/iio/industrialio-core.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 26564094e33b..aec9311b108c 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -242,25 +242,24 @@ static const struct file_operations iio_event_chrdev_fileops = {
 
 static int iio_event_getfd(struct iio_dev *indio_dev)
 {
+	struct iio_event_interface *ev_int = indio_dev->event_interface;
 	int fd;
 
-	if (indio_dev->event_interface == NULL)
+	if (ev_int == NULL)
 		return -ENODEV;
 
-	mutex_lock(&indio_dev->event_interface->event_list_lock);
-	if (test_and_set_bit(IIO_BUSY_BIT_POS,
-			     &indio_dev->event_interface->flags)) {
-		mutex_unlock(&indio_dev->event_interface->event_list_lock);
+	mutex_lock(&ev_int->event_list_lock);
+	if (test_and_set_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) {
+		mutex_unlock(&ev_int->event_list_lock);
 		return -EBUSY;
 	}
-	mutex_unlock(&indio_dev->event_interface->event_list_lock);
+	mutex_unlock(&ev_int->event_list_lock);
 	fd = anon_inode_getfd("iio:event",
-				&iio_event_chrdev_fileops,
-				indio_dev->event_interface, O_RDONLY);
+				&iio_event_chrdev_fileops, ev_int, O_RDONLY);
 	if (fd < 0) {
-		mutex_lock(&indio_dev->event_interface->event_list_lock);
+		mutex_lock(&ev_int->event_list_lock);
 		clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags);
-		mutex_unlock(&indio_dev->event_interface->event_list_lock);
+		mutex_unlock(&ev_int->event_list_lock);
 	}
 	return fd;
 }
-- 
GitLab


From 0884d7aa24e15e72b3c07f7da910a13bb7df3592 Mon Sep 17 00:00:00 2001
From: Alexey Moiseytsev <himeraster@gmail.com>
Date: Mon, 21 Nov 2011 13:35:25 +0000
Subject: [PATCH 0958/1594] AF_UNIX: Fix poll blocking problem when reading
 from a stream socket

poll() call may be blocked by concurrent reading from the same stream
socket.

Signed-off-by: Alexey Moiseytsev <himeraster@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/unix/af_unix.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 466fbcc5cf77..b595a3d8679f 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1957,6 +1957,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
 			if ((UNIXCB(skb).pid  != siocb->scm->pid) ||
 			    (UNIXCB(skb).cred != siocb->scm->cred)) {
 				skb_queue_head(&sk->sk_receive_queue, skb);
+				sk->sk_data_ready(sk, skb->len);
 				break;
 			}
 		} else {
@@ -1974,6 +1975,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
 		chunk = min_t(unsigned int, skb->len, size);
 		if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) {
 			skb_queue_head(&sk->sk_receive_queue, skb);
+			sk->sk_data_ready(sk, skb->len);
 			if (copied == 0)
 				copied = -EFAULT;
 			break;
@@ -1991,6 +1993,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
 			/* put the skb back if we didn't use it up.. */
 			if (skb->len) {
 				skb_queue_head(&sk->sk_receive_queue, skb);
+				sk->sk_data_ready(sk, skb->len);
 				break;
 			}
 
@@ -2006,6 +2009,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
 
 			/* put message back and return */
 			skb_queue_head(&sk->sk_receive_queue, skb);
+			sk->sk_data_ready(sk, skb->len);
 			break;
 		}
 	} while (size);
-- 
GitLab


From 41dfaa934c5d866d626de9bea785e6168524a47e Mon Sep 17 00:00:00 2001
From: Rob Herring <rob.herring@calxeda.com>
Date: Tue, 22 Nov 2011 04:01:06 +0100
Subject: [PATCH 0959/1594] ARM: 7168/1: use cache type functions for
 arch_get_unmapped_area

There are already cache type decoding functions, so use those instead
of custom decode code which only works for ARMv6.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mm/mmap.c | 23 ++++++-----------------
 1 file changed, 6 insertions(+), 17 deletions(-)

diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index 74be05f3e03a..44b628e4d6ea 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -9,8 +9,7 @@
 #include <linux/io.h>
 #include <linux/personality.h>
 #include <linux/random.h>
-#include <asm/cputype.h>
-#include <asm/system.h>
+#include <asm/cachetype.h>
 
 #define COLOUR_ALIGN(addr,pgoff)		\
 	((((addr)+SHMLBA-1)&~(SHMLBA-1)) +	\
@@ -32,25 +31,15 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma;
 	unsigned long start_addr;
-#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
-	unsigned int cache_type;
-	int do_align = 0, aliasing = 0;
+	int do_align = 0;
+	int aliasing = cache_is_vipt_aliasing();
 
 	/*
 	 * We only need to do colour alignment if either the I or D
-	 * caches alias.  This is indicated by bits 9 and 21 of the
-	 * cache type register.
+	 * caches alias.
 	 */
-	cache_type = read_cpuid_cachetype();
-	if (cache_type != read_cpuid_id()) {
-		aliasing = (cache_type | cache_type >> 12) & (1 << 11);
-		if (aliasing)
-			do_align = filp || flags & MAP_SHARED;
-	}
-#else
-#define do_align 0
-#define aliasing 0
-#endif
+	if (aliasing)
+		do_align = filp || (flags & MAP_SHARED);
 
 	/*
 	 * We enforce the MAP_FIXED case.
-- 
GitLab


From c89cefed35c8c5f53f36757f8a6768e390394ee3 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Tue, 22 Nov 2011 23:42:12 +0100
Subject: [PATCH 0960/1594] ARM: 7170/2: fix compilation breakage in
 entry-armv.S

Fix compilation failure, when Thumb support is not enabled:

arch/arm/kernel/entry-armv.S: Assembler messages:
arch/arm/kernel/entry-armv.S:501: Error: backward ref to unknown label "2:"
arch/arm/kernel/entry-armv.S:502: Error: backward ref to unknown label "3:"
make[2]: *** [arch/arm/kernel/entry-armv.o] Error 1

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/entry-armv.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 9ad50c4208ae..b145f16c91bc 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -497,7 +497,7 @@ ENDPROC(__und_usr)
 	.popsection
 	.pushsection __ex_table,"a"
 	.long	1b, 4b
-#if __LINUX_ARM_ARCH__ >= 7
+#if CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7
 	.long	2b, 4b
 	.long	3b, 4b
 #endif
-- 
GitLab


From c36ef4b1762302a493c6cb754073bded084700e2 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Wed, 23 Nov 2011 11:28:25 +0100
Subject: [PATCH 0961/1594] ARM: 7171/1: unwind: add unwind directives to
 bitops assembly macros

The bitops functions (e.g. _test_and_set_bit) on ARM do not have unwind
annotations and therefore the kernel cannot backtrace out of them on a
fatal error (for example, NULL pointer dereference).

This patch annotates the bitops assembly macros with UNWIND annotations
so that we can produce a meaningful backtrace on error. Callers of the
macros are modified to pass their function name as a macro parameter,
enforcing that the macros are used as standalone function implementations.

Acked-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/lib/bitops.h        | 26 ++++++++++++++++++++++----
 arch/arm/lib/changebit.S     |  4 +---
 arch/arm/lib/clearbit.S      |  4 +---
 arch/arm/lib/setbit.S        |  4 +---
 arch/arm/lib/testchangebit.S |  4 +---
 arch/arm/lib/testclearbit.S  |  4 +---
 arch/arm/lib/testsetbit.S    |  4 +---
 7 files changed, 28 insertions(+), 22 deletions(-)

diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h
index 10d868a5a481..d6408d1ee543 100644
--- a/arch/arm/lib/bitops.h
+++ b/arch/arm/lib/bitops.h
@@ -1,5 +1,9 @@
+#include <asm/unwind.h>
+
 #if __LINUX_ARM_ARCH__ >= 6
-	.macro	bitop, instr
+	.macro	bitop, name, instr
+ENTRY(	\name		)
+UNWIND(	.fnstart	)
 	ands	ip, r1, #3
 	strneb	r1, [ip]		@ assert word-aligned
 	mov	r2, #1
@@ -13,9 +17,13 @@
 	cmp	r0, #0
 	bne	1b
 	bx	lr
+UNWIND(	.fnend		)
+ENDPROC(\name		)
 	.endm
 
-	.macro	testop, instr, store
+	.macro	testop, name, instr, store
+ENTRY(	\name		)
+UNWIND(	.fnstart	)
 	ands	ip, r1, #3
 	strneb	r1, [ip]		@ assert word-aligned
 	mov	r2, #1
@@ -34,9 +42,13 @@
 	cmp	r0, #0
 	movne	r0, #1
 2:	bx	lr
+UNWIND(	.fnend		)
+ENDPROC(\name		)
 	.endm
 #else
-	.macro	bitop, instr
+	.macro	bitop, name, instr
+ENTRY(	\name		)
+UNWIND(	.fnstart	)
 	ands	ip, r1, #3
 	strneb	r1, [ip]		@ assert word-aligned
 	and	r2, r0, #31
@@ -49,6 +61,8 @@
 	str	r2, [r1, r0, lsl #2]
 	restore_irqs ip
 	mov	pc, lr
+UNWIND(	.fnend		)
+ENDPROC(\name		)
 	.endm
 
 /**
@@ -59,7 +73,9 @@
  * Note: we can trivially conditionalise the store instruction
  * to avoid dirtying the data cache.
  */
-	.macro	testop, instr, store
+	.macro	testop, name, instr, store
+ENTRY(	\name		)
+UNWIND(	.fnstart	)
 	ands	ip, r1, #3
 	strneb	r1, [ip]		@ assert word-aligned
 	and	r3, r0, #31
@@ -73,5 +89,7 @@
 	moveq	r0, #0
 	restore_irqs ip
 	mov	pc, lr
+UNWIND(	.fnend		)
+ENDPROC(\name		)
 	.endm
 #endif
diff --git a/arch/arm/lib/changebit.S b/arch/arm/lib/changebit.S
index 68ed5b62e839..f4027862172f 100644
--- a/arch/arm/lib/changebit.S
+++ b/arch/arm/lib/changebit.S
@@ -12,6 +12,4 @@
 #include "bitops.h"
                 .text
 
-ENTRY(_change_bit)
-	bitop	eor
-ENDPROC(_change_bit)
+bitop	_change_bit, eor
diff --git a/arch/arm/lib/clearbit.S b/arch/arm/lib/clearbit.S
index 4c04c3b51eeb..f6b75fb64d30 100644
--- a/arch/arm/lib/clearbit.S
+++ b/arch/arm/lib/clearbit.S
@@ -12,6 +12,4 @@
 #include "bitops.h"
                 .text
 
-ENTRY(_clear_bit)
-	bitop	bic
-ENDPROC(_clear_bit)
+bitop	_clear_bit, bic
diff --git a/arch/arm/lib/setbit.S b/arch/arm/lib/setbit.S
index bbee5c66a23e..618fedae4b37 100644
--- a/arch/arm/lib/setbit.S
+++ b/arch/arm/lib/setbit.S
@@ -12,6 +12,4 @@
 #include "bitops.h"
 		.text
 
-ENTRY(_set_bit)
-	bitop	orr
-ENDPROC(_set_bit)
+bitop	_set_bit, orr
diff --git a/arch/arm/lib/testchangebit.S b/arch/arm/lib/testchangebit.S
index 15a4d431f229..4becdc3a59cb 100644
--- a/arch/arm/lib/testchangebit.S
+++ b/arch/arm/lib/testchangebit.S
@@ -12,6 +12,4 @@
 #include "bitops.h"
                 .text
 
-ENTRY(_test_and_change_bit)
-	testop	eor, str
-ENDPROC(_test_and_change_bit)
+testop	_test_and_change_bit, eor, str
diff --git a/arch/arm/lib/testclearbit.S b/arch/arm/lib/testclearbit.S
index 521b66b5b95d..918841dcce7a 100644
--- a/arch/arm/lib/testclearbit.S
+++ b/arch/arm/lib/testclearbit.S
@@ -12,6 +12,4 @@
 #include "bitops.h"
                 .text
 
-ENTRY(_test_and_clear_bit)
-	testop	bicne, strne
-ENDPROC(_test_and_clear_bit)
+testop	_test_and_clear_bit, bicne, strne
diff --git a/arch/arm/lib/testsetbit.S b/arch/arm/lib/testsetbit.S
index 1c98cc2185bb..8d1b2fe9e487 100644
--- a/arch/arm/lib/testsetbit.S
+++ b/arch/arm/lib/testsetbit.S
@@ -12,6 +12,4 @@
 #include "bitops.h"
                 .text
 
-ENTRY(_test_and_set_bit)
-	testop	orreq, streq
-ENDPROC(_test_and_set_bit)
+testop	_test_and_set_bit, orreq, streq
-- 
GitLab


From ea2e7057c0234cfb8b09467d8f137760d371fc72 Mon Sep 17 00:00:00 2001
From: Sumit Bhattacharya <sumitb@nvidia.com>
Date: Thu, 24 Nov 2011 00:47:12 +0100
Subject: [PATCH 0962/1594] ARM: 7172/1: dma: Drop GFP_COMP for DMA memory
 allocations

dma_alloc_coherent wants to split pages after allocation in order to
reduce the memory footprint. This does not work well with GFP_COMP
pages, so drop this flag before allocation.

This patch is ported from arch/avr32
(commit 3611553ef985ef7c5863c8a94641738addd04cff).

[swarren: s/HUGETLB_PAGE/HUGETLBFS/ in comment, minor comment cleanup]

Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mm/dma-mapping.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index ab584569930e..1aa664a1999f 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -332,6 +332,15 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
 	struct page *page;
 	void *addr;
 
+	/*
+	 * Following is a work-around (a.k.a. hack) to prevent pages
+	 * with __GFP_COMP being passed to split_page() which cannot
+	 * handle them.  The real problem is that this flag probably
+	 * should be 0 on ARM as it is not supported on this
+	 * platform; see CONFIG_HUGETLBFS.
+	 */
+	gfp &= ~(__GFP_COMP);
+
 	*handle = ~0;
 	size = PAGE_ALIGN(size);
 
-- 
GitLab


From 46589e2922509f9134ce79fa75180886c9765c58 Mon Sep 17 00:00:00 2001
From: Jon Medhurst <jon.medhurst@linaro.org>
Date: Thu, 24 Nov 2011 13:01:08 +0100
Subject: [PATCH 0963/1594] ARM: 7174/1: Fix build error in kprobes test code
 on Thumb2 kernels

When compiling kprobes-test-thumb.c an error like below may occur:

/tmp/ccKcuJcG.s:19179: Error: offset out of range

This is caused by the compiler underestimating the size of the inline
assembler instructions containing ".space 0x1000" and failing to spill
the literal pool in time to prevent the generation of PC relative load
instruction with invalid offsets.

The fix implemented by this patch is to replace a single large .space
directive by a number of 4 byte .space's. This requires splitting the
macros which generate test cases for branch instructions into two forms:
one with, and one without support for inserting extra code between
branch and target.

Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Jon Medhurst <jon.medhurst@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/kprobes-test-thumb.c |  16 ++---
 arch/arm/kernel/kprobes-test.h       | 100 +++++++++++++++++++--------
 2 files changed, 78 insertions(+), 38 deletions(-)

diff --git a/arch/arm/kernel/kprobes-test-thumb.c b/arch/arm/kernel/kprobes-test-thumb.c
index 5e726c31c45a..5d8b85792222 100644
--- a/arch/arm/kernel/kprobes-test-thumb.c
+++ b/arch/arm/kernel/kprobes-test-thumb.c
@@ -222,8 +222,8 @@ void kprobe_thumb16_test_cases(void)
 DONT_TEST_IN_ITBLOCK(
 	TEST_BF_R(  "cbnz	r",0,0, ", 2f")
 	TEST_BF_R(  "cbz	r",2,-1,", 2f")
-	TEST_BF_RX( "cbnz	r",4,1, ", 2f",0x20)
-	TEST_BF_RX( "cbz	r",7,0, ", 2f",0x40)
+	TEST_BF_RX( "cbnz	r",4,1, ", 2f", SPACE_0x20)
+	TEST_BF_RX( "cbz	r",7,0, ", 2f", SPACE_0x40)
 )
 	TEST_R("sxth	r0, r",7, HH1,"")
 	TEST_R("sxth	r7, r",0, HH2,"")
@@ -246,7 +246,7 @@ DONT_TEST_IN_ITBLOCK(
 	TESTCASE_START(code)		\
 	TEST_ARG_PTR(13, offset)	\
 	TEST_ARG_END("")		\
-	TEST_BRANCH_F(code,0)		\
+	TEST_BRANCH_F(code)		\
 	TESTCASE_END
 
 	TEST("push	{r0}")
@@ -319,8 +319,8 @@ CONDITION_INSTRUCTIONS(8,
 
 	TEST_BF(  "b	2f")
 	TEST_BB(  "b	2b")
-	TEST_BF_X("b	2f", 0x400)
-	TEST_BB_X("b	2b", 0x400)
+	TEST_BF_X("b	2f", SPACE_0x400)
+	TEST_BB_X("b	2b", SPACE_0x400)
 
 	TEST_GROUP("Testing instructions in IT blocks")
 
@@ -746,7 +746,7 @@ CONDITION_INSTRUCTIONS(22,
 	TEST_BB("bne.w	2b")
 	TEST_BF("bgt.w	2f")
 	TEST_BB("blt.w	2b")
-	TEST_BF_X("bpl.w	2f",0x1000)
+	TEST_BF_X("bpl.w	2f", SPACE_0x1000)
 )
 
 	TEST_UNSUPPORTED("msr	cpsr, r0")
@@ -786,11 +786,11 @@ CONDITION_INSTRUCTIONS(22,
 
 	TEST_BF(  "b.w	2f")
 	TEST_BB(  "b.w	2b")
-	TEST_BF_X("b.w	2f", 0x1000)
+	TEST_BF_X("b.w	2f", SPACE_0x1000)
 
 	TEST_BF(  "bl.w	2f")
 	TEST_BB(  "bl.w	2b")
-	TEST_BB_X("bl.w	2b", 0x1000)
+	TEST_BB_X("bl.w	2b", SPACE_0x1000)
 
 	TEST_X(	"blx	__dummy_arm_subroutine",
 		".arm				\n\t"
diff --git a/arch/arm/kernel/kprobes-test.h b/arch/arm/kernel/kprobes-test.h
index 0dc5d77b9356..e28a869b1ae4 100644
--- a/arch/arm/kernel/kprobes-test.h
+++ b/arch/arm/kernel/kprobes-test.h
@@ -149,23 +149,31 @@ struct test_arg_end {
 	"1:	"instruction"				\n\t"	\
 	"	nop					\n\t"
 
-#define TEST_BRANCH_F(instruction, xtra_dist)			\
+#define TEST_BRANCH_F(instruction)				\
 	TEST_INSTRUCTION(instruction)				\
-	".if "#xtra_dist"				\n\t"	\
 	"	b	99f				\n\t"	\
-	".space "#xtra_dist"				\n\t"	\
-	".endif						\n\t"	\
+	"2:	nop					\n\t"
+
+#define TEST_BRANCH_B(instruction)				\
+	"	b	50f				\n\t"	\
+	"	b	99f				\n\t"	\
+	"2:	nop					\n\t"	\
+	"	b	99f				\n\t"	\
+	TEST_INSTRUCTION(instruction)
+
+#define TEST_BRANCH_FX(instruction, codex)			\
+	TEST_INSTRUCTION(instruction)				\
+	"	b	99f				\n\t"	\
+	codex"						\n\t"	\
 	"	b	99f				\n\t"	\
 	"2:	nop					\n\t"
 
-#define TEST_BRANCH_B(instruction, xtra_dist)			\
+#define TEST_BRANCH_BX(instruction, codex)			\
 	"	b	50f				\n\t"	\
 	"	b	99f				\n\t"	\
 	"2:	nop					\n\t"	\
 	"	b	99f				\n\t"	\
-	".if "#xtra_dist"				\n\t"	\
-	".space "#xtra_dist"				\n\t"	\
-	".endif						\n\t"	\
+	codex"						\n\t"	\
 	TEST_INSTRUCTION(instruction)
 
 #define TESTCASE_END						\
@@ -301,47 +309,60 @@ struct test_arg_end {
 	TESTCASE_START(code1 #reg1 code2)	\
 	TEST_ARG_PTR(reg1, val1)		\
 	TEST_ARG_END("")			\
-	TEST_BRANCH_F(code1 #reg1 code2, 0)	\
+	TEST_BRANCH_F(code1 #reg1 code2)	\
 	TESTCASE_END
 
-#define TEST_BF_X(code, xtra_dist)		\
+#define TEST_BF(code)				\
 	TESTCASE_START(code)			\
 	TEST_ARG_END("")			\
-	TEST_BRANCH_F(code, xtra_dist)		\
+	TEST_BRANCH_F(code)			\
 	TESTCASE_END
 
-#define TEST_BB_X(code, xtra_dist)		\
+#define TEST_BB(code)				\
 	TESTCASE_START(code)			\
 	TEST_ARG_END("")			\
-	TEST_BRANCH_B(code, xtra_dist)		\
+	TEST_BRANCH_B(code)			\
 	TESTCASE_END
 
-#define TEST_BF_RX(code1, reg, val, code2, xtra_dist)	\
-	TESTCASE_START(code1 #reg code2)		\
-	TEST_ARG_REG(reg, val)				\
-	TEST_ARG_END("")				\
-	TEST_BRANCH_F(code1 #reg code2, xtra_dist)	\
+#define TEST_BF_R(code1, reg, val, code2)	\
+	TESTCASE_START(code1 #reg code2)	\
+	TEST_ARG_REG(reg, val)			\
+	TEST_ARG_END("")			\
+	TEST_BRANCH_F(code1 #reg code2)		\
 	TESTCASE_END
 
-#define TEST_BB_RX(code1, reg, val, code2, xtra_dist)	\
-	TESTCASE_START(code1 #reg code2)		\
-	TEST_ARG_REG(reg, val)				\
-	TEST_ARG_END("")				\
-	TEST_BRANCH_B(code1 #reg code2, xtra_dist)	\
+#define TEST_BB_R(code1, reg, val, code2)	\
+	TESTCASE_START(code1 #reg code2)	\
+	TEST_ARG_REG(reg, val)			\
+	TEST_ARG_END("")			\
+	TEST_BRANCH_B(code1 #reg code2)		\
 	TESTCASE_END
 
-#define TEST_BF(code)	TEST_BF_X(code, 0)
-#define TEST_BB(code)	TEST_BB_X(code, 0)
-
-#define TEST_BF_R(code1, reg, val, code2) TEST_BF_RX(code1, reg, val, code2, 0)
-#define TEST_BB_R(code1, reg, val, code2) TEST_BB_RX(code1, reg, val, code2, 0)
-
 #define TEST_BF_RR(code1, reg1, val1, code2, reg2, val2, code3)	\
 	TESTCASE_START(code1 #reg1 code2 #reg2 code3)		\
 	TEST_ARG_REG(reg1, val1)				\
 	TEST_ARG_REG(reg2, val2)				\
 	TEST_ARG_END("")					\
-	TEST_BRANCH_F(code1 #reg1 code2 #reg2 code3, 0)		\
+	TEST_BRANCH_F(code1 #reg1 code2 #reg2 code3)		\
+	TESTCASE_END
+
+#define TEST_BF_X(code, codex)			\
+	TESTCASE_START(code)			\
+	TEST_ARG_END("")			\
+	TEST_BRANCH_FX(code, codex)		\
+	TESTCASE_END
+
+#define TEST_BB_X(code, codex)			\
+	TESTCASE_START(code)			\
+	TEST_ARG_END("")			\
+	TEST_BRANCH_BX(code, codex)		\
+	TESTCASE_END
+
+#define TEST_BF_RX(code1, reg, val, code2, codex)	\
+	TESTCASE_START(code1 #reg code2)		\
+	TEST_ARG_REG(reg, val)				\
+	TEST_ARG_END("")				\
+	TEST_BRANCH_FX(code1 #reg code2, codex)		\
 	TESTCASE_END
 
 #define TEST_X(code, codex)			\
@@ -372,6 +393,25 @@ struct test_arg_end {
 	TESTCASE_END
 
 
+/*
+ * Macros for defining space directives spread over multiple lines.
+ * These are required so the compiler guesses better the length of inline asm
+ * code and will spill the literal pool early enough to avoid generating PC
+ * relative loads with out of range offsets.
+ */
+#define TWICE(x)	x x
+#define SPACE_0x8	TWICE(".space 4\n\t")
+#define SPACE_0x10	TWICE(SPACE_0x8)
+#define SPACE_0x20	TWICE(SPACE_0x10)
+#define SPACE_0x40	TWICE(SPACE_0x20)
+#define SPACE_0x80	TWICE(SPACE_0x40)
+#define SPACE_0x100	TWICE(SPACE_0x80)
+#define SPACE_0x200	TWICE(SPACE_0x100)
+#define SPACE_0x400	TWICE(SPACE_0x200)
+#define SPACE_0x800	TWICE(SPACE_0x400)
+#define SPACE_0x1000	TWICE(SPACE_0x800)
+
+
 /* Various values used in test cases... */
 #define N(val)	(val ^ 0xffffffff)
 #define VAL1	0x12345678
-- 
GitLab


From 97371fa99c1900a84a5220639edd726b35d73931 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Fri, 25 Nov 2011 00:23:28 +0100
Subject: [PATCH 0964/1594] ARM: 7175/1: add subname parameter to
 mfp_set_groupg callers

commit 798681bf "ARM: 7158/1: add new MFP implement for NUC900"
adds subname parameter for mfp_set_groupg.

Thus add subname parameter to the callers.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Wan Zongshun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/i2c/busses/i2c-nuc900.c | 2 +-
 drivers/spi/spi-nuc900.c        | 2 +-
 sound/soc/nuc900/nuc900-ac97.c  | 3 ++-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/busses/i2c-nuc900.c b/drivers/i2c/busses/i2c-nuc900.c
index 835e47b39bc2..03b615778887 100644
--- a/drivers/i2c/busses/i2c-nuc900.c
+++ b/drivers/i2c/busses/i2c-nuc900.c
@@ -593,7 +593,7 @@ static int __devinit nuc900_i2c_probe(struct platform_device *pdev)
 	i2c->adap.algo_data = i2c;
 	i2c->adap.dev.parent = &pdev->dev;
 
-	mfp_set_groupg(&pdev->dev);
+	mfp_set_groupg(&pdev->dev, NULL);
 
 	clk_get_rate(i2c->clk);
 
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index e763254741c2..21c70b2b8311 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -426,7 +426,7 @@ static int __devinit nuc900_spi_probe(struct platform_device *pdev)
 		goto err_clk;
 	}
 
-	mfp_set_groupg(&pdev->dev);
+	mfp_set_groupg(&pdev->dev, NULL);
 	nuc900_init_spi(hw);
 
 	err = spi_bitbang_start(&hw->bitbang);
diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c
index 9c0edad90d8b..a4e3237956e2 100644
--- a/sound/soc/nuc900/nuc900-ac97.c
+++ b/sound/soc/nuc900/nuc900-ac97.c
@@ -365,7 +365,8 @@ static int __devinit nuc900_ac97_drvprobe(struct platform_device *pdev)
 	if (ret)
 		goto out3;
 
-	mfp_set_groupg(nuc900_audio->dev); /* enbale ac97 multifunction pin*/
+	/* enbale ac97 multifunction pin */
+	mfp_set_groupg(nuc900_audio->dev, "nuc900-audio");
 
 	return 0;
 
-- 
GitLab


From abdd7b91dab2f8b2e32e90e4b7e809ffb462a662 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <Marc.Zyngier@arm.com>
Date: Fri, 25 Nov 2011 17:58:19 +0100
Subject: [PATCH 0965/1594] ARM: 7176/1: cpu_pm: register GIC PM notifier only
 once

When multiple GICs exist on a platform (RealView PB1176/11MP),
we must make sure the PM notifier block is only registered
once, otherwise we end up corrupting the PM notifier list.

The fix is to only register the notifier when initializing
the first GIC, as the power management functions seem
to iterate over all the registered GICs.

Tested on PB11MP and PB1176.

Reported-by: Will Deacon <will.deacon@arm.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Cc: Colin Cross <ccross@android.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/common/gic.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index 0e6ae470c94f..43240f315dea 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -526,7 +526,8 @@ static void __init gic_pm_init(struct gic_chip_data *gic)
 		sizeof(u32));
 	BUG_ON(!gic->saved_ppi_conf);
 
-	cpu_pm_register_notifier(&gic_notifier_block);
+	if (gic == &gic_data[0])
+		cpu_pm_register_notifier(&gic_notifier_block);
 }
 #else
 static void __init gic_pm_init(struct gic_chip_data *gic)
-- 
GitLab


From fe41db7b3aca512e19b8ef4fbd5ad55545005d25 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Fri, 25 Nov 2011 19:23:36 +0100
Subject: [PATCH 0966/1594] ARM: 7177/1: GIC: avoid skipping non-existent PPIs
 in irq_start calculation

Commit 4294f8baa ("ARM: gic: add irq_domain support") defines irq_start
as irq_start = (irq_start & ~31) + 16; On a platform with a GIC and a
CPU without PPIs, this results in irq_start being off by 16.

This patch fixes gic_init so that we only carve out a PPI space when
PPIs exist for the GIC being initialised.

Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/common/gic.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index 43240f315dea..410a546060a2 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -582,13 +582,16 @@ void __init gic_init(unsigned int gic_nr, int irq_start,
 	 * For primary GICs, skip over SGIs.
 	 * For secondary GICs, skip over PPIs, too.
 	 */
+	domain->hwirq_base = 32;
 	if (gic_nr == 0) {
 		gic_cpu_base_addr = cpu_base;
-		domain->hwirq_base = 16;
-		if (irq_start > 0)
-			irq_start = (irq_start & ~31) + 16;
-	} else
-		domain->hwirq_base = 32;
+
+		if ((irq_start & 31) > 0) {
+			domain->hwirq_base = 16;
+			if (irq_start != -1)
+				irq_start = (irq_start & ~31) + 16;
+		}
+	}
 
 	/*
 	 * Find out how many interrupts are supported.
-- 
GitLab


From de68dca1816660b0d3ac89fa59ffb410007a143f Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sat, 26 Nov 2011 12:13:44 +0000
Subject: [PATCH 0967/1594] inet: add a redirect generation id in inetpeer
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Now inetpeer is the place where we cache redirect information for ipv4
destinations, we must be able to invalidate informations when a route is
added/removed on host.

As inetpeer is not yet namespace aware, this patch adds a shared
redirect_genid, and a per inetpeer redirect_genid. This might be changed
later if inetpeer becomes ns aware.

Cache information for one inerpeer is valid as long as its
redirect_genid has the same value than global redirect_genid.

Reported-by: Arkadiusz Miśkiewicz <a.miskiewicz@gmail.com>
Tested-by: Arkadiusz Miśkiewicz <a.miskiewicz@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/inetpeer.h |  1 +
 net/ipv4/route.c       | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 78c83e62218f..e9ff3fc5e688 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -35,6 +35,7 @@ struct inet_peer {
 
 	u32			metrics[RTAX_MAX];
 	u32			rate_tokens;	/* rate limiting for ICMP */
+	int			redirect_genid;
 	unsigned long		rate_last;
 	unsigned long		pmtu_expires;
 	u32			pmtu_orig;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index fb47c8f0cd86..5c2847247f51 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -131,6 +131,7 @@ static int ip_rt_mtu_expires __read_mostly	= 10 * 60 * HZ;
 static int ip_rt_min_pmtu __read_mostly		= 512 + 20 + 20;
 static int ip_rt_min_advmss __read_mostly	= 256;
 static int rt_chain_length_max __read_mostly	= 20;
+static int redirect_genid;
 
 /*
  *	Interface to generic destination cache.
@@ -837,6 +838,7 @@ static void rt_cache_invalidate(struct net *net)
 
 	get_random_bytes(&shuffle, sizeof(shuffle));
 	atomic_add(shuffle + 1U, &net->ipv4.rt_genid);
+	redirect_genid++;
 }
 
 /*
@@ -1391,8 +1393,10 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 
 				peer = rt->peer;
 				if (peer) {
-					if (peer->redirect_learned.a4 != new_gw) {
+					if (peer->redirect_learned.a4 != new_gw ||
+					    peer->redirect_genid != redirect_genid) {
 						peer->redirect_learned.a4 = new_gw;
+						peer->redirect_genid = redirect_genid;
 						atomic_inc(&__rt_peer_genid);
 					}
 					check_peer_redir(&rt->dst, peer);
@@ -1701,6 +1705,8 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 		if (peer) {
 			check_peer_pmtu(dst, peer);
 
+			if (peer->redirect_genid != redirect_genid)
+				peer->redirect_learned.a4 = 0;
 			if (peer->redirect_learned.a4 &&
 			    peer->redirect_learned.a4 != rt->rt_gateway) {
 				if (check_peer_redir(dst, peer))
@@ -1857,6 +1863,8 @@ static void rt_init_metrics(struct rtable *rt, const struct flowi4 *fl4,
 		dst_init_metrics(&rt->dst, peer->metrics, false);
 
 		check_peer_pmtu(&rt->dst, peer);
+		if (peer->redirect_genid != redirect_genid)
+			peer->redirect_learned.a4 = 0;
 		if (peer->redirect_learned.a4 &&
 		    peer->redirect_learned.a4 != rt->rt_gateway) {
 			rt->rt_gateway = peer->redirect_learned.a4;
-- 
GitLab


From 438957f8d4a84daa7fa5be6978ad5897a2e9e5e5 Mon Sep 17 00:00:00 2001
From: Bart Westgeest <bart@elbrys.com>
Date: Tue, 1 Nov 2011 15:01:28 -0400
Subject: [PATCH 0968/1594] staging: usbip: bugfix for deadlock

Interrupts must be disabled prior to calling usb_hcd_unlink_urb_from_ep.
If interrupts are not disabled, it can potentially lead to a deadlock.
The deadlock is readily reproduceable on a slower (ARM based) device
such as the TI Pandaboard.

Signed-off-by: Bart Westgeest <bart@elbrys.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/usbip/vhci_rx.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
index 09c44abb89e8..3872b8cccdcf 100644
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -68,6 +68,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
 {
 	struct usbip_device *ud = &vdev->ud;
 	struct urb *urb;
+	unsigned long flags;
 
 	spin_lock(&vdev->priv_lock);
 	urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum);
@@ -101,9 +102,9 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
 
 	usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
 
-	spin_lock(&the_controller->lock);
+	spin_lock_irqsave(&the_controller->lock, flags);
 	usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
-	spin_unlock(&the_controller->lock);
+	spin_unlock_irqrestore(&the_controller->lock, flags);
 
 	usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
 
@@ -141,6 +142,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
 {
 	struct vhci_unlink *unlink;
 	struct urb *urb;
+	unsigned long flags;
 
 	usbip_dump_header(pdu);
 
@@ -170,9 +172,9 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
 		urb->status = pdu->u.ret_unlink.status;
 		pr_info("urb->status %d\n", urb->status);
 
-		spin_lock(&the_controller->lock);
+		spin_lock_irqsave(&the_controller->lock, flags);
 		usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
-		spin_unlock(&the_controller->lock);
+		spin_unlock_irqrestore(&the_controller->lock, flags);
 
 		usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
 				     urb->status);
-- 
GitLab


From f7364ba04b0961f3a1f978bbe77102606801e35f Mon Sep 17 00:00:00 2001
From: wwang <wei_wang@realsil.com.cn>
Date: Mon, 31 Oct 2011 15:02:53 +0800
Subject: [PATCH 0969/1594] staging:rts_pstor:Complete scanning_done variable

Complete scanning_done variable if rtsx-scan thread created failed.

Signed-off-by: wwang <wei_wang@realsil.com.cn>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rts_pstor/rtsx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/rts_pstor/rtsx.c b/drivers/staging/rts_pstor/rtsx.c
index 480b0ed2e4de..115635f95024 100644
--- a/drivers/staging/rts_pstor/rtsx.c
+++ b/drivers/staging/rts_pstor/rtsx.c
@@ -1021,6 +1021,7 @@ static int __devinit rtsx_probe(struct pci_dev *pci,
 	th = kthread_create(rtsx_scan_thread, dev, "rtsx-scan");
 	if (IS_ERR(th)) {
 		printk(KERN_ERR "Unable to start the device-scanning thread\n");
+		complete(&dev->scanning_done);
 		quiesce_and_remove_host(dev);
 		err = PTR_ERR(th);
 		goto errout;
-- 
GitLab


From 8b78607fc4a26c2e26c4a614ff0bbd3380abc402 Mon Sep 17 00:00:00 2001
From: Bernd Porr <berndporr@f2s.com>
Date: Tue, 8 Nov 2011 21:21:37 +0000
Subject: [PATCH 0970/1594] staging: comedi: usbduxsigma: Fixed wrong range for
 the analogue channel.

It's actually +/-2.65V/2 and not +/-2.65V.

Signed-off-by: Bernd Porr <berndporr@f2s.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/drivers/usbduxsigma.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index a8fea9a91733..6144afb8cbaa 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -1,4 +1,4 @@
-#define DRIVER_VERSION "v0.5"
+#define DRIVER_VERSION "v0.6"
 #define DRIVER_AUTHOR "Bernd Porr, BerndPorr@f2s.com"
 #define DRIVER_DESC "Stirling/ITL USB-DUX SIGMA -- Bernd.Porr@f2s.com"
 /*
@@ -25,7 +25,7 @@ Driver: usbduxsigma
 Description: University of Stirling USB DAQ & INCITE Technology Limited
 Devices: [ITL] USB-DUX (usbduxsigma.o)
 Author: Bernd Porr <BerndPorr@f2s.com>
-Updated: 21 Jul 2011
+Updated: 8 Nov 2011
 Status: testing
 */
 /*
@@ -44,6 +44,7 @@ Status: testing
  *   0.3: proper vendor ID and driver name
  *   0.4: fixed D/A voltage range
  *   0.5: various bug fixes, health check at startup
+ *   0.6: corrected wrong input range
  */
 
 /* generates loads of debug info */
@@ -175,7 +176,7 @@ Status: testing
 /* comedi constants */
 static const struct comedi_lrange range_usbdux_ai_range = { 1, {
 								BIP_RANGE
-								(2.65)
+								(2.65/2.0)
 								}
 };
 
-- 
GitLab


From 3ffab428f40849ed5f21bcfd7285bdef7902f9ca Mon Sep 17 00:00:00 2001
From: Bernd Porr <berndporr@f2s.com>
Date: Tue, 8 Nov 2011 21:23:03 +0000
Subject: [PATCH 0971/1594] staging: comedi: fix oops for USB DAQ devices.

This fixes kernel oops when an USB DAQ device is plugged out while it's
communicating with the userspace software.

Signed-off-by: Bernd Porr <berndporr@f2s.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 71 +++++++++++++++++++++-------
 1 file changed, 53 insertions(+), 18 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 21d8c1c16cd8..156622a6f162 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -1452,9 +1452,6 @@ static struct vm_operations_struct comedi_vm_ops = {
 static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	const unsigned minor = iminor(file->f_dentry->d_inode);
-	struct comedi_device_file_info *dev_file_info =
-	    comedi_get_device_file_info(minor);
-	struct comedi_device *dev = dev_file_info->device;
 	struct comedi_async *async = NULL;
 	unsigned long start = vma->vm_start;
 	unsigned long size;
@@ -1462,6 +1459,15 @@ static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
 	int i;
 	int retval;
 	struct comedi_subdevice *s;
+	struct comedi_device_file_info *dev_file_info;
+	struct comedi_device *dev;
+
+	dev_file_info = comedi_get_device_file_info(minor);
+	if (dev_file_info == NULL)
+	        return -ENODEV;
+	dev = dev_file_info->device;
+	if (dev == NULL)
+	        return -ENODEV;
 
 	mutex_lock(&dev->mutex);
 	if (!dev->attached) {
@@ -1528,11 +1534,17 @@ static unsigned int comedi_poll(struct file *file, poll_table * wait)
 {
 	unsigned int mask = 0;
 	const unsigned minor = iminor(file->f_dentry->d_inode);
-	struct comedi_device_file_info *dev_file_info =
-	    comedi_get_device_file_info(minor);
-	struct comedi_device *dev = dev_file_info->device;
 	struct comedi_subdevice *read_subdev;
 	struct comedi_subdevice *write_subdev;
+	struct comedi_device_file_info *dev_file_info;
+	struct comedi_device *dev;
+	dev_file_info = comedi_get_device_file_info(minor);
+
+	if (dev_file_info == NULL)
+	        return -ENODEV;
+	dev = dev_file_info->device;
+	if (dev == NULL)
+	        return -ENODEV;
 
 	mutex_lock(&dev->mutex);
 	if (!dev->attached) {
@@ -1578,9 +1590,15 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
 	int n, m, count = 0, retval = 0;
 	DECLARE_WAITQUEUE(wait, current);
 	const unsigned minor = iminor(file->f_dentry->d_inode);
-	struct comedi_device_file_info *dev_file_info =
-	    comedi_get_device_file_info(minor);
-	struct comedi_device *dev = dev_file_info->device;
+	struct comedi_device_file_info *dev_file_info;
+	struct comedi_device *dev;
+	dev_file_info = comedi_get_device_file_info(minor);
+
+	if (dev_file_info == NULL)
+	        return -ENODEV;
+	dev = dev_file_info->device;
+	if (dev == NULL)
+	        return -ENODEV;
 
 	if (!dev->attached) {
 		DPRINTK("no driver configured on comedi%i\n", dev->minor);
@@ -1683,9 +1701,15 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
 	int n, m, count = 0, retval = 0;
 	DECLARE_WAITQUEUE(wait, current);
 	const unsigned minor = iminor(file->f_dentry->d_inode);
-	struct comedi_device_file_info *dev_file_info =
-	    comedi_get_device_file_info(minor);
-	struct comedi_device *dev = dev_file_info->device;
+	struct comedi_device_file_info *dev_file_info;
+	struct comedi_device *dev;
+	dev_file_info = comedi_get_device_file_info(minor);
+
+	if (dev_file_info == NULL)
+	        return -ENODEV;
+	dev = dev_file_info->device;
+	if (dev == NULL)
+	        return -ENODEV;
 
 	if (!dev->attached) {
 		DPRINTK("no driver configured on comedi%i\n", dev->minor);
@@ -1885,11 +1909,17 @@ ok:
 static int comedi_close(struct inode *inode, struct file *file)
 {
 	const unsigned minor = iminor(inode);
-	struct comedi_device_file_info *dev_file_info =
-	    comedi_get_device_file_info(minor);
-	struct comedi_device *dev = dev_file_info->device;
 	struct comedi_subdevice *s = NULL;
 	int i;
+	struct comedi_device_file_info *dev_file_info;
+	struct comedi_device *dev;
+	dev_file_info = comedi_get_device_file_info(minor);
+
+	if (dev_file_info == NULL)
+	        return -ENODEV;
+	dev = dev_file_info->device;
+	if (dev == NULL)
+	        return -ENODEV;
 
 	mutex_lock(&dev->mutex);
 
@@ -1923,10 +1953,15 @@ static int comedi_close(struct inode *inode, struct file *file)
 static int comedi_fasync(int fd, struct file *file, int on)
 {
 	const unsigned minor = iminor(file->f_dentry->d_inode);
-	struct comedi_device_file_info *dev_file_info =
-	    comedi_get_device_file_info(minor);
+	struct comedi_device_file_info *dev_file_info;
+	struct comedi_device *dev;
+	dev_file_info = comedi_get_device_file_info(minor);
 
-	struct comedi_device *dev = dev_file_info->device;
+	if (dev_file_info == NULL)
+	        return -ENODEV;
+	dev = dev_file_info->device;
+	if (dev == NULL)
+	        return -ENODEV;
 
 	return fasync_helper(fd, file, on, &dev->async_queue);
 }
-- 
GitLab


From df30b21cb0eed5ba8a8e0cdfeebc66ba8cde821d Mon Sep 17 00:00:00 2001
From: Federico Vaga <federico.vaga@gmail.com>
Date: Sat, 29 Oct 2011 09:45:39 +0200
Subject: [PATCH 0972/1594] Staging: comedi: fix mmap_count

In comedi_fops, mmap_count is decremented at comedi_vm_ops->close but
it is not incremented at comedi_vm_ops->open. This may result in a negative
counter.  The patch introduces the open method to keep the counter
consistent.

The bug was triggerd by this sample code:

        mmap(0, ...., comedi_fd);
        fork();
        exit(0);

Acked-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 156622a6f162..88caa7376999 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -1432,7 +1432,21 @@ static int do_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 	return ret;
 }
 
-static void comedi_unmap(struct vm_area_struct *area)
+
+static void comedi_vm_open(struct vm_area_struct *area)
+{
+	struct comedi_async *async;
+	struct comedi_device *dev;
+
+	async = area->vm_private_data;
+	dev = async->subdevice->device;
+
+	mutex_lock(&dev->mutex);
+	async->mmap_count++;
+	mutex_unlock(&dev->mutex);
+}
+
+static void comedi_vm_close(struct vm_area_struct *area)
 {
 	struct comedi_async *async;
 	struct comedi_device *dev;
@@ -1446,7 +1460,8 @@ static void comedi_unmap(struct vm_area_struct *area)
 }
 
 static struct vm_operations_struct comedi_vm_ops = {
-	.close = comedi_unmap,
+	.open = comedi_vm_open,
+	.close = comedi_vm_close,
 };
 
 static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
-- 
GitLab


From 6a9ce6b654e491981f6ef7e214cbd4f63e033848 Mon Sep 17 00:00:00 2001
From: Federico Vaga <federico.vaga@gmail.com>
Date: Sat, 29 Oct 2011 09:47:39 +0200
Subject: [PATCH 0973/1594] Staging: comedi: fix signal handling in read and
 write

After sleeping on a wait queue, signal_pending(current) should be
checked (not before sleeping).

Acked-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 88caa7376999..ebdcecda3583 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -1673,11 +1673,11 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
 				retval = -EAGAIN;
 				break;
 			}
+			schedule();
 			if (signal_pending(current)) {
 				retval = -ERESTARTSYS;
 				break;
 			}
-			schedule();
 			if (!s->busy)
 				break;
 			if (s->busy != file) {
@@ -1780,11 +1780,11 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
 				retval = -EAGAIN;
 				break;
 			}
+			schedule();
 			if (signal_pending(current)) {
 				retval = -ERESTARTSYS;
 				break;
 			}
-			schedule();
 			if (!s->busy) {
 				retval = 0;
 				break;
-- 
GitLab


From e384a41141949843899affcf51f4e6e646c1fe9f Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 4 Nov 2011 21:20:43 +0300
Subject: [PATCH 0974/1594] Staging: comedi: integer overflow in
 do_insnlist_ioctl()

There is an integer overflow here that could cause memory corruption
on 32 bit systems.

insnlist.n_insns could be a very high value size calculation for
kmalloc() could overflow resulting in a smaller "insns" than
expected.  In the for (i = 0; i < insnlist.n_insns; i++) {... loop
we would read past the end of the buffer, possibly corrupting memory
as well.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index ebdcecda3583..ed4853f194c4 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -670,6 +670,11 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
 		goto error;
 	}
 
+	if (sizeof(struct comedi_insn) * insnlist.n_insns < insnlist.n_insns) {
+		ret = -EINVAL;
+		goto error;
+	}
+
 	insns =
 	    kmalloc(sizeof(struct comedi_insn) * insnlist.n_insns, GFP_KERNEL);
 	if (!insns) {
-- 
GitLab


From 46b1848360c8e634e0b063932a1261062fa0f7d6 Mon Sep 17 00:00:00 2001
From: Dirk Nehring <dnehring@gmx.net>
Date: Thu, 24 Nov 2011 19:22:23 +0100
Subject: [PATCH 0975/1594] usb: option: add Huawei E353 controlling interfaces

This patch creates the missing controlling devices for the Huawei E353
HSPA+ stick.

Signed-off-by: Dirk Nehring <dnehring@gmx.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index d865878c9f97..6e09857c32eb 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -661,6 +661,9 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x31) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x32) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x08) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) },
-- 
GitLab


From ec0cd94d881ca89cc9fb61d00d0f4b2b52e605b3 Mon Sep 17 00:00:00 2001
From: Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
Date: Thu, 24 Nov 2011 22:08:56 +0200
Subject: [PATCH 0976/1594] usb: option: add SIMCom SIM5218

Tested with SIM5218EVB-KIT evaluation kit.

Signed-off-by: Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6e09857c32eb..e3426602dc82 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -750,6 +750,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
+	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
 	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
 	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
-- 
GitLab


From cec28a5428793b6bc64e56687fb239759d6da74e Mon Sep 17 00:00:00 2001
From: Qinglin Ye <yestyle@gmail.com>
Date: Wed, 23 Nov 2011 23:39:32 +0800
Subject: [PATCH 0977/1594] USB: usb-storage: unusual_devs entry for Kingston
 DT 101 G2

Kingston DT 101 G2 replies a wrong tag while transporting, add an
unusal_devs entry to ignore the tag validation.

Signed-off-by: Qinglin Ye <yestyle@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/storage/unusual_devs.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 3041a974faf3..24caba79d722 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1854,6 +1854,13 @@ UNUSUAL_DEV(  0x1370, 0x6828, 0x0110, 0x0110,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE ),
 
+/* Reported by Qinglin Ye <yestyle@gmail.com> */
+UNUSUAL_DEV(  0x13fe, 0x3600, 0x0100, 0x0100,
+		"Kingston",
+		"DT 101 G2",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_BULK_IGNORE_TAG ),
+
 /* Reported by Francesco Foresti <frafore@tiscali.it> */
 UNUSUAL_DEV(  0x14cd, 0x6600, 0x0201, 0x0201,
 		"Super Top",
-- 
GitLab


From 8746c83d538cab273d335acb2be226d096f4a5af Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 22 Nov 2011 10:28:31 +0300
Subject: [PATCH 0978/1594] USB: whci-hcd: fix endian conversion in
 qset_clear()

qset->qh.link is an __le64 field and we should be using cpu_to_le64()
to fill it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/whci/qset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index d6e175428618..a403b53e86b9 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -124,7 +124,7 @@ void qset_clear(struct whc *whc, struct whc_qset *qset)
 {
 	qset->td_start = qset->td_end = qset->ntds = 0;
 
-	qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T);
+	qset->qh.link = cpu_to_le64(QH_LINK_NTDS(8) | QH_LINK_T);
 	qset->qh.status = qset->qh.status & QH_STATUS_SEQ_MASK;
 	qset->qh.err_count = 0;
 	qset->qh.scratch[0] = 0;
-- 
GitLab


From 5b895eec118ab5fec7b69102d73c1b04a86140b9 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sun, 27 Nov 2011 15:54:49 +0000
Subject: [PATCH 0979/1594] ASoC: Correct name of Speyside Main Speaker widget

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/samsung/speyside.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/samsung/speyside.c b/sound/soc/samsung/speyside.c
index 85bf541a771d..4b8e35410eb1 100644
--- a/sound/soc/samsung/speyside.c
+++ b/sound/soc/samsung/speyside.c
@@ -191,7 +191,7 @@ static int speyside_late_probe(struct snd_soc_card *card)
 	snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic");
 	snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC");
 	snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC");
-	snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
+	snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker");
 	snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output");
 	snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input");
 
-- 
GitLab


From 92bb43e6aae3dbdb199feba93da5f2d05d7716d0 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 24 Nov 2011 14:48:24 +0300
Subject: [PATCH 0980/1594] ALSA: hda - cut and paste typo in cs420x_models[]

The CS420X_IMAC27 was copied from the line before but CS420X_APPLE
was clearly intented.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_cirrus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 7bd2a52f2bac..70a7abda7e22 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -1278,7 +1278,7 @@ static const char * const cs420x_models[CS420X_MODELS] = {
 	[CS420X_MBP53] = "mbp53",
 	[CS420X_MBP55] = "mbp55",
 	[CS420X_IMAC27] = "imac27",
-	[CS420X_IMAC27] = "apple",
+	[CS420X_APPLE] = "apple",
 	[CS420X_AUTO] = "auto",
 };
 
-- 
GitLab


From 187d333edc0a8e1bb507900ce89853ffe3bd2c84 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 24 Nov 2011 16:33:09 +0100
Subject: [PATCH 0981/1594] ALSA: hda - Fix jack-detection control of VT1708

VT1708 has no support for unsolicited events per jack-plug, the driver
implements the workq for polling the jack-detection.  The mixer element
"Jack Detect" was supposed to control this behavior on/off, but this
doesn't work properly as is now.  The workq is always started and the
HP automute is always enabled.

This patch fixes the jack-detect control behavior by triggering / stopping
the work appropriately at the state change.  Also the work checks the
internal state to continue scheduling or not.

Cc: <stable@kernel.org> [v3.1]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_via.c | 76 ++++++++++++++++++++++-----------------
 1 file changed, 43 insertions(+), 33 deletions(-)

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 431c0d417eeb..b5137629f8e9 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -208,6 +208,7 @@ struct via_spec {
 	/* work to check hp jack state */
 	struct hda_codec *codec;
 	struct delayed_work vt1708_hp_work;
+	int hp_work_active;
 	int vt1708_jack_detect;
 	int vt1708_hp_present;
 
@@ -305,27 +306,35 @@ enum {
 static void analog_low_current_mode(struct hda_codec *codec);
 static bool is_aa_path_mute(struct hda_codec *codec);
 
-static void vt1708_start_hp_work(struct via_spec *spec)
+#define hp_detect_with_aa(codec) \
+	(snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") == 1 && \
+	 !is_aa_path_mute(codec))
+
+static void vt1708_stop_hp_work(struct via_spec *spec)
 {
 	if (spec->codec_type != VT1708 || spec->autocfg.hp_pins[0] == 0)
 		return;
-	snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81,
-			    !spec->vt1708_jack_detect);
-	if (!delayed_work_pending(&spec->vt1708_hp_work))
-		schedule_delayed_work(&spec->vt1708_hp_work,
-				      msecs_to_jiffies(100));
+	if (spec->hp_work_active) {
+		snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81, 1);
+		cancel_delayed_work_sync(&spec->vt1708_hp_work);
+		spec->hp_work_active = 0;
+	}
 }
 
-static void vt1708_stop_hp_work(struct via_spec *spec)
+static void vt1708_update_hp_work(struct via_spec *spec)
 {
 	if (spec->codec_type != VT1708 || spec->autocfg.hp_pins[0] == 0)
 		return;
-	if (snd_hda_get_bool_hint(spec->codec, "analog_loopback_hp_detect") == 1
-	    && !is_aa_path_mute(spec->codec))
-		return;
-	snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81,
-			    !spec->vt1708_jack_detect);
-	cancel_delayed_work_sync(&spec->vt1708_hp_work);
+	if (spec->vt1708_jack_detect &&
+	    (spec->active_streams || hp_detect_with_aa(spec->codec))) {
+		if (!spec->hp_work_active) {
+			snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81, 0);
+			schedule_delayed_work(&spec->vt1708_hp_work,
+					      msecs_to_jiffies(100));
+			spec->hp_work_active = 1;
+		}
+	} else if (!hp_detect_with_aa(spec->codec))
+		vt1708_stop_hp_work(spec);
 }
 
 static void set_widgets_power_state(struct hda_codec *codec)
@@ -343,12 +352,7 @@ static int analog_input_switch_put(struct snd_kcontrol *kcontrol,
 
 	set_widgets_power_state(codec);
 	analog_low_current_mode(snd_kcontrol_chip(kcontrol));
-	if (snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") == 1) {
-		if (is_aa_path_mute(codec))
-			vt1708_start_hp_work(codec->spec);
-		else
-			vt1708_stop_hp_work(codec->spec);
-	}
+	vt1708_update_hp_work(codec->spec);
 	return change;
 }
 
@@ -1154,7 +1158,7 @@ static int via_playback_multi_pcm_prepare(struct hda_pcm_stream *hinfo,
 	spec->cur_dac_stream_tag = stream_tag;
 	spec->cur_dac_format = format;
 	mutex_unlock(&spec->config_mutex);
-	vt1708_start_hp_work(spec);
+	vt1708_update_hp_work(spec);
 	return 0;
 }
 
@@ -1174,7 +1178,7 @@ static int via_playback_hp_pcm_prepare(struct hda_pcm_stream *hinfo,
 	spec->cur_hp_stream_tag = stream_tag;
 	spec->cur_hp_format = format;
 	mutex_unlock(&spec->config_mutex);
-	vt1708_start_hp_work(spec);
+	vt1708_update_hp_work(spec);
 	return 0;
 }
 
@@ -1188,7 +1192,7 @@ static int via_playback_multi_pcm_cleanup(struct hda_pcm_stream *hinfo,
 	snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
 	spec->active_streams &= ~STREAM_MULTI_OUT;
 	mutex_unlock(&spec->config_mutex);
-	vt1708_stop_hp_work(spec);
+	vt1708_update_hp_work(spec);
 	return 0;
 }
 
@@ -1203,7 +1207,7 @@ static int via_playback_hp_pcm_cleanup(struct hda_pcm_stream *hinfo,
 		snd_hda_codec_setup_stream(codec, spec->hp_dac_nid, 0, 0, 0);
 	spec->active_streams &= ~STREAM_INDEP_HP;
 	mutex_unlock(&spec->config_mutex);
-	vt1708_stop_hp_work(spec);
+	vt1708_update_hp_work(spec);
 	return 0;
 }
 
@@ -1645,7 +1649,8 @@ static void via_hp_automute(struct hda_codec *codec)
 	int nums;
 	struct via_spec *spec = codec->spec;
 
-	if (!spec->hp_independent_mode && spec->autocfg.hp_pins[0])
+	if (!spec->hp_independent_mode && spec->autocfg.hp_pins[0] &&
+	    (spec->codec_type != VT1708 || spec->vt1708_jack_detect))
 		present = snd_hda_jack_detect(codec, spec->autocfg.hp_pins[0]);
 
 	if (spec->smart51_enabled)
@@ -2612,8 +2617,6 @@ static int vt1708_jack_detect_get(struct snd_kcontrol *kcontrol,
 
 	if (spec->codec_type != VT1708)
 		return 0;
-	spec->vt1708_jack_detect =
-		!((snd_hda_codec_read(codec, 0x1, 0, 0xf84, 0) >> 8) & 0x1);
 	ucontrol->value.integer.value[0] = spec->vt1708_jack_detect;
 	return 0;
 }
@@ -2623,18 +2626,22 @@ static int vt1708_jack_detect_put(struct snd_kcontrol *kcontrol,
 {
 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct via_spec *spec = codec->spec;
-	int change;
+	int val;
 
 	if (spec->codec_type != VT1708)
 		return 0;
-	spec->vt1708_jack_detect = ucontrol->value.integer.value[0];
-	change = (0x1 & (snd_hda_codec_read(codec, 0x1, 0, 0xf84, 0) >> 8))
-		== !spec->vt1708_jack_detect;
-	if (spec->vt1708_jack_detect) {
+	val = !!ucontrol->value.integer.value[0];
+	if (spec->vt1708_jack_detect == val)
+		return 0;
+	spec->vt1708_jack_detect = val;
+	if (spec->vt1708_jack_detect &&
+	    snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") != 1) {
 		mute_aa_path(codec, 1);
 		notify_aa_path_ctls(codec);
 	}
-	return change;
+	via_hp_automute(codec);
+	vt1708_update_hp_work(spec);
+	return 1;
 }
 
 static const struct snd_kcontrol_new vt1708_jack_detect_ctl = {
@@ -2771,6 +2778,7 @@ static int via_init(struct hda_codec *codec)
 	via_auto_init_unsol_event(codec);
 
 	via_hp_automute(codec);
+	vt1708_update_hp_work(spec);
 
 	return 0;
 }
@@ -2787,7 +2795,9 @@ static void vt1708_update_hp_jack_state(struct work_struct *work)
 		spec->vt1708_hp_present ^= 1;
 		via_hp_automute(spec->codec);
 	}
-	vt1708_start_hp_work(spec);
+	if (spec->vt1708_jack_detect)
+		schedule_delayed_work(&spec->vt1708_hp_work,
+				      msecs_to_jiffies(100));
 }
 
 static int get_mux_nids(struct hda_codec *codec)
-- 
GitLab


From 06b446c8af5db5a98b2eaa30b513c79089ed254b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 28 Nov 2011 04:34:34 +0900
Subject: [PATCH 0982/1594] Revert "Staging: comedi: integer overflow in
 do_insnlist_ioctl()"

This reverts commit e384a41141949843899affcf51f4e6e646c1fe9f.
It's not the correct way to solve this issue.

Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index ed4853f194c4..ebdcecda3583 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -670,11 +670,6 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
 		goto error;
 	}
 
-	if (sizeof(struct comedi_insn) * insnlist.n_insns < insnlist.n_insns) {
-		ret = -EINVAL;
-		goto error;
-	}
-
 	insns =
 	    kmalloc(sizeof(struct comedi_insn) * insnlist.n_insns, GFP_KERNEL);
 	if (!insns) {
-- 
GitLab


From dfd8ee92a9192d78aa38cf8699df3630a7c88c85 Mon Sep 17 00:00:00 2001
From: Xi Wang <xi.wang@gmail.com>
Date: Fri, 25 Nov 2011 16:46:51 -0500
Subject: [PATCH 0983/1594] Staging: comedi: fix integer overflow in
 do_insnlist_ioctl()

There is a potential integer overflow in do_insnlist_ioctl() if
userspace passes in a large insnlist.n_insns.  The call to kmalloc()
would allocate a small buffer, leading to a memory corruption.

The bug was reported by Dan Carpenter <dan.carpenter@oracle.com>
and Haogang Chen <haogangchen@gmail.com>.  The patch was suggested by
Ian Abbott <abbotti@mev.co.uk> and Lars-Peter Clausen <lars@metafoo.de>.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Haogang Chen <haogangchen@gmail.com>.
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/comedi/comedi_fops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index ebdcecda3583..5e78c77d5a08 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -671,7 +671,7 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
 	}
 
 	insns =
-	    kmalloc(sizeof(struct comedi_insn) * insnlist.n_insns, GFP_KERNEL);
+	    kcalloc(insnlist.n_insns, sizeof(struct comedi_insn), GFP_KERNEL);
 	if (!insns) {
 		DPRINTK("kmalloc failed\n");
 		ret = -ENOMEM;
-- 
GitLab


From 06718f151144aa5eea97cdf2813fe7eb70e73d17 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Sat, 26 Nov 2011 23:37:43 +0100
Subject: [PATCH 0984/1594] ath9k: Revert change that broke AR928X on Acer
 Ferrari One

Revert a hunk in drivers/net/wireless/ath/ath9k/hw.c introduced by
commit 2577c6e8f232 ("ath9k_hw: Add support for AR946/8x chipsets") that
caused a nasty regression to appear on my Acer Ferrari One (the box
locks up entirely at random times after the wireless has been started
without any way to get debug information out of it).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/net/wireless/ath/ath9k/hw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2f91acccb7db..8873c6e6fb96 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1827,7 +1827,8 @@ static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
 	}
 
 	/* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */
-	REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
 }
 
 /*
-- 
GitLab


From c4860ba2e11261a541632ceee8267ca490d9eb98 Mon Sep 17 00:00:00 2001
From: Aries Lee <arieslee@jmicron.com>
Date: Mon, 21 Nov 2011 10:20:42 +0000
Subject: [PATCH 0985/1594] jme: PHY configuration for compatible issue

To perform PHY calibration and set a different EA value by chip ID,
Whenever the NIC chip power on, ie booting or resuming, we need to
force HW to calibrate PHY parameter again, and also set a proper EA
value which gather from experiment.

Those procedures help to reduce compatible issues(NIC is unable to link
up in some special case) in giga speed.

Signed-off-by: AriesLee <AriesLee@jmicron.com>
Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/jme.c | 113 ++++++++++++++++++++++++++++++++++++-
 drivers/net/ethernet/jme.h |  19 +++++++
 2 files changed, 129 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 7becff1f387d..76b84573566b 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1744,6 +1744,112 @@ jme_phy_off(struct jme_adapter *jme)
 		jme_new_phy_off(jme);
 }
 
+static int
+jme_phy_specreg_read(struct jme_adapter *jme, u32 specreg)
+{
+	u32 phy_addr;
+
+	phy_addr = JM_PHY_SPEC_REG_READ | specreg;
+	jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_ADDR_REG,
+			phy_addr);
+	return jme_mdio_read(jme->dev, jme->mii_if.phy_id,
+			JM_PHY_SPEC_DATA_REG);
+}
+
+static void
+jme_phy_specreg_write(struct jme_adapter *jme, u32 ext_reg, u32 phy_data)
+{
+	u32 phy_addr;
+
+	phy_addr = JM_PHY_SPEC_REG_WRITE | ext_reg;
+	jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_DATA_REG,
+			phy_data);
+	jme_mdio_write(jme->dev, jme->mii_if.phy_id, JM_PHY_SPEC_ADDR_REG,
+			phy_addr);
+}
+
+static int
+jme_phy_calibration(struct jme_adapter *jme)
+{
+	u32 ctrl1000, phy_data;
+
+	jme_phy_off(jme);
+	jme_phy_on(jme);
+	/*  Enabel PHY test mode 1 */
+	ctrl1000 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_CTRL1000);
+	ctrl1000 &= ~PHY_GAD_TEST_MODE_MSK;
+	ctrl1000 |= PHY_GAD_TEST_MODE_1;
+	jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_CTRL1000, ctrl1000);
+
+	phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
+	phy_data &= ~JM_PHY_EXT_COMM_2_CALI_MODE_0;
+	phy_data |= JM_PHY_EXT_COMM_2_CALI_LATCH |
+			JM_PHY_EXT_COMM_2_CALI_ENABLE;
+	jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
+	msleep(20);
+	phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
+	phy_data &= ~(JM_PHY_EXT_COMM_2_CALI_ENABLE |
+			JM_PHY_EXT_COMM_2_CALI_MODE_0 |
+			JM_PHY_EXT_COMM_2_CALI_LATCH);
+	jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
+
+	/*  Disable PHY test mode */
+	ctrl1000 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_CTRL1000);
+	ctrl1000 &= ~PHY_GAD_TEST_MODE_MSK;
+	jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_CTRL1000, ctrl1000);
+	return 0;
+}
+
+static int
+jme_phy_setEA(struct jme_adapter *jme)
+{
+	u32 phy_comm0 = 0, phy_comm1 = 0;
+	u8 nic_ctrl;
+
+	pci_read_config_byte(jme->pdev, PCI_PRIV_SHARE_NICCTRL, &nic_ctrl);
+	if ((nic_ctrl & 0x3) == JME_FLAG_PHYEA_ENABLE)
+		return 0;
+
+	switch (jme->pdev->device) {
+	case PCI_DEVICE_ID_JMICRON_JMC250:
+		if (((jme->chip_main_rev == 5) &&
+			((jme->chip_sub_rev == 0) || (jme->chip_sub_rev == 1) ||
+			(jme->chip_sub_rev == 3))) ||
+			(jme->chip_main_rev >= 6)) {
+			phy_comm0 = 0x008A;
+			phy_comm1 = 0x4109;
+		}
+		if ((jme->chip_main_rev == 3) &&
+			((jme->chip_sub_rev == 1) || (jme->chip_sub_rev == 2)))
+			phy_comm0 = 0xE088;
+		break;
+	case PCI_DEVICE_ID_JMICRON_JMC260:
+		if (((jme->chip_main_rev == 5) &&
+			((jme->chip_sub_rev == 0) || (jme->chip_sub_rev == 1) ||
+			(jme->chip_sub_rev == 3))) ||
+			(jme->chip_main_rev >= 6)) {
+			phy_comm0 = 0x008A;
+			phy_comm1 = 0x4109;
+		}
+		if ((jme->chip_main_rev == 3) &&
+			((jme->chip_sub_rev == 1) || (jme->chip_sub_rev == 2)))
+			phy_comm0 = 0xE088;
+		if ((jme->chip_main_rev == 2) && (jme->chip_sub_rev == 0))
+			phy_comm0 = 0x608A;
+		if ((jme->chip_main_rev == 2) && (jme->chip_sub_rev == 2))
+			phy_comm0 = 0x408A;
+		break;
+	default:
+		return -ENODEV;
+	}
+	if (phy_comm0)
+		jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_0_REG, phy_comm0);
+	if (phy_comm1)
+		jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_1_REG, phy_comm1);
+
+	return 0;
+}
+
 static int
 jme_open(struct net_device *netdev)
 {
@@ -1769,7 +1875,8 @@ jme_open(struct net_device *netdev)
 		jme_set_settings(netdev, &jme->old_ecmd);
 	else
 		jme_reset_phy_processor(jme);
-
+	jme_phy_calibration(jme);
+	jme_phy_setEA(jme);
 	jme_reset_link(jme);
 
 	return 0;
@@ -3184,7 +3291,8 @@ jme_resume(struct device *dev)
 		jme_set_settings(netdev, &jme->old_ecmd);
 	else
 		jme_reset_phy_processor(jme);
-
+	jme_phy_calibration(jme);
+	jme_phy_setEA(jme);
 	jme_start_irq(jme);
 	netif_device_attach(netdev);
 
@@ -3239,4 +3347,3 @@ MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 MODULE_DEVICE_TABLE(pci, jme_pci_tbl);
-
diff --git a/drivers/net/ethernet/jme.h b/drivers/net/ethernet/jme.h
index 02ea27c1dcb5..4304072bd3c5 100644
--- a/drivers/net/ethernet/jme.h
+++ b/drivers/net/ethernet/jme.h
@@ -760,6 +760,25 @@ enum jme_rxmcs_bits {
 				  RXMCS_CHECKSUM,
 };
 
+/*	Extern PHY common register 2	*/
+
+#define PHY_GAD_TEST_MODE_1			0x00002000
+#define PHY_GAD_TEST_MODE_MSK			0x0000E000
+#define JM_PHY_SPEC_REG_READ			0x00004000
+#define JM_PHY_SPEC_REG_WRITE			0x00008000
+#define PHY_CALIBRATION_DELAY			20
+#define JM_PHY_SPEC_ADDR_REG			0x1E
+#define JM_PHY_SPEC_DATA_REG			0x1F
+
+#define JM_PHY_EXT_COMM_0_REG			0x30
+#define JM_PHY_EXT_COMM_1_REG			0x31
+#define JM_PHY_EXT_COMM_2_REG			0x32
+#define JM_PHY_EXT_COMM_2_CALI_ENABLE		0x01
+#define JM_PHY_EXT_COMM_2_CALI_MODE_0		0x02
+#define JM_PHY_EXT_COMM_2_CALI_LATCH		0x10
+#define PCI_PRIV_SHARE_NICCTRL			0xF5
+#define JME_FLAG_PHYEA_ENABLE			0x2
+
 /*
  * Wakeup Frame setup interface registers
  */
-- 
GitLab


From a5f70b6717a229ad10aa79382a29a8ee6f1976c3 Mon Sep 17 00:00:00 2001
From: Christian Hitz <christian.hitz@aizo.com>
Date: Mon, 24 Oct 2011 08:57:32 +0200
Subject: [PATCH 0986/1594] ARM: at91: fix NAND bus width decoding from
 system_rev

Make it is safe to assign the return value of this function
to u8/u16 variables.

Signed-off-by: Christian Hitz <christian.hitz@aizo.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
 arch/arm/mach-at91/include/mach/system_rev.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-at91/include/mach/system_rev.h b/arch/arm/mach-at91/include/mach/system_rev.h
index 8f4866045b41..ec164a4124c9 100644
--- a/arch/arm/mach-at91/include/mach/system_rev.h
+++ b/arch/arm/mach-at91/include/mach/system_rev.h
@@ -19,7 +19,7 @@
 #define BOARD_HAVE_NAND_16BIT	(1 << 31)
 static inline int board_have_nand_16bit(void)
 {
-	return system_rev & BOARD_HAVE_NAND_16BIT;
+	return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0;
 }
 
 #endif /* __ARCH_SYSTEM_REV_H__ */
-- 
GitLab


From d4d6373c1109b11c8118340be97ae31b8f94d66a Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 28 Nov 2011 14:06:31 +0800
Subject: [PATCH 0987/1594] regulator: aat2870: Fix the logic of checking if no
 id is matched in aat2870_get_regulator

In current implementation, the pointer ri is not NULL if no id is matched.
Fix it by checking i == ARRAY_SIZE(aat2870_regulators) if no id is matched.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 drivers/regulator/aat2870-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c
index 5abeb3ac3e8d..298c6c6a2795 100644
--- a/drivers/regulator/aat2870-regulator.c
+++ b/drivers/regulator/aat2870-regulator.c
@@ -160,7 +160,7 @@ static struct aat2870_regulator *aat2870_get_regulator(int id)
 			break;
 	}
 
-	if (!ri)
+	if (i == ARRAY_SIZE(aat2870_regulators))
 		return NULL;
 
 	ri->enable_addr = AAT2870_LDO_EN;
-- 
GitLab


From 58fb5cf5d1edb7e306574833ee55d732918c89e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lothar=20Wa=C3=9Fmann?= <LW@KARO-electronics.de>
Date: Mon, 28 Nov 2011 15:38:37 +0100
Subject: [PATCH 0988/1594] regulator: fix use after free bug
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This is caused by dereferencing 'rdev' after device_unregister() in
the regulator_unregister() function.  'rdev' is freed by
device_unregister(), so it must not be dereferenced after this call.

[Edited commit message for legibility -- broonie]

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 drivers/regulator/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 669d02160221..938398f3e869 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2799,8 +2799,8 @@ void regulator_unregister(struct regulator_dev *rdev)
 	list_del(&rdev->list);
 	if (rdev->supply)
 		regulator_put(rdev->supply);
-	device_unregister(&rdev->dev);
 	kfree(rdev->constraints);
+	device_unregister(&rdev->dev);
 	mutex_unlock(&regulator_list_mutex);
 }
 EXPORT_SYMBOL_GPL(regulator_unregister);
-- 
GitLab


From 52553ddffad76ccf192d4dd9ce88d5818f57f62a Mon Sep 17 00:00:00 2001
From: Edward Donovan <edward.donovan@numble.net>
Date: Sun, 27 Nov 2011 23:07:34 -0500
Subject: [PATCH 0989/1594] genirq: fix regression in irqfixup, irqpoll
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Commit fa27271bc8d2("genirq: Fixup poll handling") introduced a
regression that broke irqfixup/irqpoll for some hardware configurations.

Amidst reorganizing 'try_one_irq', that patch removed a test that
checked for 'action->handler' returning IRQ_HANDLED, before acting on
the interrupt.  Restoring this test back returns the functionality lost
since 2.6.39.  In the current set of tests, after 'action' is set, it
must precede '!action->next' to take effect.

With this and my previous patch to irq/spurious.c, c75d720fca8a, all
IRQ regressions that I have encountered are fixed.

Signed-off-by: Edward Donovan <edward.donovan@numble.net>
Reported-and-tested-by: Rogério Brito <rbrito@ime.usp.br>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org (2.6.39+)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/irq/spurious.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index b5f4742693c0..dc813a948be2 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -84,7 +84,9 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force)
 	 */
 	action = desc->action;
 	if (!action || !(action->flags & IRQF_SHARED) ||
-	    (action->flags & __IRQF_TIMER) || !action->next)
+	    (action->flags & __IRQF_TIMER) ||
+	    (action->handler(irq, action->dev_id) == IRQ_HANDLED) ||
+	    !action->next)
 		goto out;
 
 	/* Already running on another processor */
-- 
GitLab


From df711fc9962b9491af2b92bd0d21ecbfefe4e5fa Mon Sep 17 00:00:00 2001
From: Andiry Xu <andiry.xu@amd.com>
Date: Thu, 17 Nov 2011 13:07:44 +0800
Subject: [PATCH 0990/1594] xHCI: reset-on-resume quirk for NEC uPD720200

Julian Sikorski reports NEC uPD720200 does not work stable after suspend
and resume. Re-initialize the host in xhci_resume().

This should be backported to stable kernels as old as 2.6.37.  The
kernel will need to include
commit c877b3b2ad5cb9d4fe523c5496185cc328ff3ae9
"xhci: Add reset on resume quirk for asrock p67 host"
for this patch to work.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Reported-by: Julian Sikorski <belegdol@gmail.com>
Tested-by: Julian Sikorski <belegdol@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
---
 drivers/usb/host/xhci-pci.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index ef98b38626fb..d2a7332daca4 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -33,6 +33,8 @@
 #define PCI_VENDOR_ID_ETRON		0x1b6f
 #define PCI_DEVICE_ID_ASROCK_P67	0x7023
 
+#define PCI_DEVICE_ID_NEC_uPD720200	0x0194
+
 static const char hcd_name[] = "xhci_hcd";
 
 /* called after powerup, by probe or system-pm "wakeup" */
@@ -74,8 +76,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 				pdev->revision);
 	}
 
-	if (pdev->vendor == PCI_VENDOR_ID_NEC)
+	if (pdev->vendor == PCI_VENDOR_ID_NEC) {
 		xhci->quirks |= XHCI_NEC_HOST;
+		if (pdev->device == PCI_DEVICE_ID_NEC_uPD720200)
+			xhci->quirks |= XHCI_RESET_ON_RESUME;
+	}
 
 	if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96)
 		xhci->quirks |= XHCI_AMD_0x96_HOST;
-- 
GitLab


From e007b857e88097c96c45620bf3b04a4e309053d1 Mon Sep 17 00:00:00 2001
From: Eliad Peller <eliad@wizery.com>
Date: Thu, 24 Nov 2011 18:13:56 +0200
Subject: [PATCH 0991/1594] nl80211: fix MAC address validation

MAC addresses have a fixed length. The current
policy allows passing < ETH_ALEN bytes, which
might result in reading beyond the buffer.

Cc: stable@vger.kernel.org
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/nl80211.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b3a476fe8272..ffafda5022c2 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -89,8 +89,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
 	[NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
 	[NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
 
-	[NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN },
-	[NL80211_ATTR_PREV_BSSID] = { .type = NLA_BINARY, .len = ETH_ALEN },
+	[NL80211_ATTR_MAC] = { .len = ETH_ALEN },
+	[NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
 
 	[NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
 	[NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
-- 
GitLab


From 24f50a9d165745fd0701c6e089d35f58a229ea69 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 24 Nov 2011 20:06:14 +0100
Subject: [PATCH 0992/1594] mac80211: don't stop a single aggregation session
 twice

Nikolay noticed (by code review) that mac80211 can
attempt to stop an aggregation session while it is
already being stopped. So to fix it, check whether
stop is already being done and bail out if so.

Also move setting the STOPPING state into the lock
so things are properly atomic.

Cc: stable@vger.kernel.org
Reported-by: Nikolay Martynov <mar.kolya@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/agg-tx.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 2ac033989e01..674b345ade81 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -160,6 +160,12 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 		return -ENOENT;
 	}
 
+	/* if we're already stopping ignore any new requests to stop */
+	if (test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
+		spin_unlock_bh(&sta->lock);
+		return -EALREADY;
+	}
+
 	if (test_bit(HT_AGG_STATE_WANT_START, &tid_tx->state)) {
 		/* not even started yet! */
 		ieee80211_assign_tid_tx(sta, tid, NULL);
@@ -168,6 +174,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 		return 0;
 	}
 
+	set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state);
+
 	spin_unlock_bh(&sta->lock);
 
 #ifdef CONFIG_MAC80211_HT_DEBUG
@@ -175,8 +183,6 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 	       sta->sta.addr, tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
 
-	set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state);
-
 	del_timer_sync(&tid_tx->addba_resp_timer);
 
 	/*
-- 
GitLab


From e55b32c110b025ce07b40227f620e99700bf8741 Mon Sep 17 00:00:00 2001
From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Mon, 28 Nov 2011 10:33:40 +0100
Subject: [PATCH 0993/1594] rtlwifi: fix lps_lock deadlock

rtl_lps_leave can be called from interrupt context, so we have to
disable interrupts when taking lps_lock.

Below is full lockdep info about deadlock:

[   93.815269] =================================
[   93.815390] [ INFO: inconsistent lock state ]
[   93.815472] 2.6.41.1-3.offch.fc15.x86_64.debug #1
[   93.815556] ---------------------------------
[   93.815635] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[   93.815743] swapper/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
[   93.815832]  (&(&rtlpriv->locks.lps_lock)->rlock){+.?...}, at: [<ffffffffa025dad6>] rtl_lps_leave+0x26/0x103 [rtlwifi]
[   93.815947] {SOFTIRQ-ON-W} state was registered at:
[   93.815947]   [<ffffffff8108e10d>] __lock_acquire+0x369/0xd0c
[   93.815947]   [<ffffffff8108efb3>] lock_acquire+0xf3/0x13e
[   93.815947]   [<ffffffff814e981d>] _raw_spin_lock+0x45/0x79
[   93.815947]   [<ffffffffa025de34>] rtl_swlps_rf_awake+0x5a/0x76 [rtlwifi]
[   93.815947]   [<ffffffffa025aec0>] rtl_op_config+0x12a/0x32a [rtlwifi]
[   93.815947]   [<ffffffffa01d614b>] ieee80211_hw_config+0x124/0x129 [mac80211]
[   93.815947]   [<ffffffffa01e0af3>] ieee80211_dynamic_ps_disable_work+0x32/0x47 [mac80211]
[   93.815947]   [<ffffffff81075aa5>] process_one_work+0x205/0x3e7
[   93.815947]   [<ffffffff81076753>] worker_thread+0xda/0x15d
[   93.815947]   [<ffffffff8107a119>] kthread+0xa8/0xb0
[   93.815947]   [<ffffffff814f3184>] kernel_thread_helper+0x4/0x10
[   93.815947] irq event stamp: 547822
[   93.815947] hardirqs last  enabled at (547822): [<ffffffff814ea1a7>] _raw_spin_unlock_irqrestore+0x45/0x61
[   93.815947] hardirqs last disabled at (547821): [<ffffffff814e9987>] _raw_spin_lock_irqsave+0x22/0x8e
[   93.815947] softirqs last  enabled at (547790): [<ffffffff810623ed>] _local_bh_enable+0x13/0x15
[   93.815947] softirqs last disabled at (547791): [<ffffffff814f327c>] call_softirq+0x1c/0x30
[   93.815947]
[   93.815947] other info that might help us debug this:
[   93.815947]  Possible unsafe locking scenario:
[   93.815947]
[   93.815947]        CPU0
[   93.815947]        ----
[   93.815947]   lock(&(&rtlpriv->locks.lps_lock)->rlock);
[   93.815947]   <Interrupt>
[   93.815947]     lock(&(&rtlpriv->locks.lps_lock)->rlock);
[   93.815947]
[   93.815947]  *** DEADLOCK ***
[   93.815947]
[   93.815947] no locks held by swapper/0.
[   93.815947]
[   93.815947] stack backtrace:
[   93.815947] Pid: 0, comm: swapper Not tainted 2.6.41.1-3.offch.fc15.x86_64.debug #1
[   93.815947] Call Trace:
[   93.815947]  <IRQ>  [<ffffffff814dfd00>] print_usage_bug+0x1e7/0x1f8
[   93.815947]  [<ffffffff8101a849>] ? save_stack_trace+0x2c/0x49
[   93.815947]  [<ffffffff8108d55c>] ? print_irq_inversion_bug.part.18+0x1a0/0x1a0
[   93.815947]  [<ffffffff8108dc8a>] mark_lock+0x106/0x220
[   93.815947]  [<ffffffff8108e099>] __lock_acquire+0x2f5/0xd0c
[   93.815947]  [<ffffffff810152af>] ? native_sched_clock+0x34/0x36
[   93.830125]  [<ffffffff810152ba>] ? sched_clock+0x9/0xd
[   93.830125]  [<ffffffff81080181>] ? sched_clock_local+0x12/0x75
[   93.830125]  [<ffffffffa025dad6>] ? rtl_lps_leave+0x26/0x103 [rtlwifi]
[   93.830125]  [<ffffffff8108efb3>] lock_acquire+0xf3/0x13e
[   93.830125]  [<ffffffffa025dad6>] ? rtl_lps_leave+0x26/0x103 [rtlwifi]
[   93.830125]  [<ffffffff814e981d>] _raw_spin_lock+0x45/0x79
[   93.830125]  [<ffffffffa025dad6>] ? rtl_lps_leave+0x26/0x103 [rtlwifi]
[   93.830125]  [<ffffffff81422467>] ? skb_dequeue+0x62/0x6d
[   93.830125]  [<ffffffffa025dad6>] rtl_lps_leave+0x26/0x103 [rtlwifi]
[   93.830125]  [<ffffffffa025f677>] _rtl_pci_ips_leave_tasklet+0xe/0x10 [rtlwifi]
[   93.830125]  [<ffffffff8106281f>] tasklet_action+0x8d/0xee
[   93.830125]  [<ffffffff810629ce>] __do_softirq+0x112/0x25a
[   93.830125]  [<ffffffff814f327c>] call_softirq+0x1c/0x30
[   93.830125]  [<ffffffff81010bf6>] do_softirq+0x4b/0xa1
[   93.830125]  [<ffffffff81062d7d>] irq_exit+0x5d/0xcf
[   93.830125]  [<ffffffff814f3b7e>] do_IRQ+0x8e/0xa5
[   93.830125]  [<ffffffff814ea533>] common_interrupt+0x73/0x73
[   93.830125]  <EOI>  [<ffffffff8108b825>] ? trace_hardirqs_off+0xd/0xf
[   93.830125]  [<ffffffff812bb6d5>] ? intel_idle+0xe5/0x10c
[   93.830125]  [<ffffffff812bb6d1>] ? intel_idle+0xe1/0x10c
[   93.830125]  [<ffffffff813f8d5e>] cpuidle_idle_call+0x11c/0x1fe
[   93.830125]  [<ffffffff8100e2ef>] cpu_idle+0xab/0x101
[   93.830125]  [<ffffffff814c6373>] rest_init+0xd7/0xde
[   93.830125]  [<ffffffff814c629c>] ? csum_partial_copy_generic+0x16c/0x16c
[   93.830125]  [<ffffffff81d4bbb0>] start_kernel+0x3dd/0x3ea
[   93.830125]  [<ffffffff81d4b2c4>] x86_64_start_reservations+0xaf/0xb3
[   93.830125]  [<ffffffff81d4b140>] ? early_idt_handlers+0x140/0x140
[   93.830125]  [<ffffffff81d4b3ca>] x86_64_start_kernel+0x102/0x111

Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=755154

Reported-by: vjain02@students.poly.edu
Reported-and-tested-by: Oliver Paukstadt <pstadt@sourcentral.org>
Cc: stable@vger.kernel.org
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rtlwifi/ps.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index a693feffbe72..0b04b2e7b597 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -394,7 +394,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
 	if (mac->link_state != MAC80211_LINKED)
 		return;
 
-	spin_lock(&rtlpriv->locks.lps_lock);
+	spin_lock_irq(&rtlpriv->locks.lps_lock);
 
 	/* Idle for a while if we connect to AP a while ago. */
 	if (mac->cnt_after_linked >= 2) {
@@ -406,7 +406,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
 		}
 	}
 
-	spin_unlock(&rtlpriv->locks.lps_lock);
+	spin_unlock_irq(&rtlpriv->locks.lps_lock);
 }
 
 /*Leave the leisure power save mode.*/
@@ -415,8 +415,9 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+	unsigned long flags;
 
-	spin_lock(&rtlpriv->locks.lps_lock);
+	spin_lock_irqsave(&rtlpriv->locks.lps_lock, flags);
 
 	if (ppsc->fwctrl_lps) {
 		if (ppsc->dot11_psmode != EACTIVE) {
@@ -437,7 +438,7 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
 			rtl_lps_set_psmode(hw, EACTIVE);
 		}
 	}
-	spin_unlock(&rtlpriv->locks.lps_lock);
+	spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flags);
 }
 
 /* For sw LPS*/
@@ -538,9 +539,9 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
 		RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
 	}
 
-	spin_lock(&rtlpriv->locks.lps_lock);
+	spin_lock_irq(&rtlpriv->locks.lps_lock);
 	rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS);
-	spin_unlock(&rtlpriv->locks.lps_lock);
+	spin_unlock_irq(&rtlpriv->locks.lps_lock);
 }
 
 void rtl_swlps_rfon_wq_callback(void *data)
@@ -573,9 +574,9 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
 	if (rtlpriv->link_info.busytraffic)
 		return;
 
-	spin_lock(&rtlpriv->locks.lps_lock);
+	spin_lock_irq(&rtlpriv->locks.lps_lock);
 	rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS);
-	spin_unlock(&rtlpriv->locks.lps_lock);
+	spin_unlock_irq(&rtlpriv->locks.lps_lock);
 
 	if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
 		!RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
-- 
GitLab


From a73228124bed4022d4d4c5663d9679ba2fb99c6c Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Sat, 26 Nov 2011 23:37:43 +0100
Subject: [PATCH 0994/1594] ath9k: Revert change that broke AR928X on Acer
 Ferrari One

Revert a hunk in drivers/net/wireless/ath/ath9k/hw.c introduced by
commit 2577c6e8f2320f1d2f09be122efef5b9118efee4 (ath9k_hw: Add
support for AR946/8x chipsets) that caused a nasty regression to
appear on my Acer Ferrari One (the box locks up entirely at random
times after the wireless has been started without any way to get
debug information out of it).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b479160dc262..7a9c6f7cd7e1 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1826,7 +1826,8 @@ static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
 	}
 
 	/* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */
-	REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
 }
 
 /*
-- 
GitLab


From d305a6557b2c4dca0110f05ffe745b1ef94adb80 Mon Sep 17 00:00:00 2001
From: Nikolay Martynov <mar.kolya@gmail.com>
Date: Mon, 28 Nov 2011 09:18:00 +0100
Subject: [PATCH 0995/1594] mac80211: fix race condition caused by late addBA
 response

If addBA responses comes in just after addba_resp_timer has
expired mac80211 will still accept it and try to open the
aggregation session. This causes drivers to be confused and
in some cases even crash.

This patch fixes the race condition and makes sure that if
addba_resp_timer has expired addBA response is not longer
accepted and we do not try to open half-closed session.

Cc: stable@vger.kernel.org
Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>
[some adjustments]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/agg-tx.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 674b345ade81..eea6e5c8d168 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -762,11 +762,27 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
 		goto out;
 	}
 
-	del_timer(&tid_tx->addba_resp_timer);
+	del_timer_sync(&tid_tx->addba_resp_timer);
 
 #ifdef CONFIG_MAC80211_HT_DEBUG
 	printk(KERN_DEBUG "switched off addBA timer for tid %d\n", tid);
 #endif
+
+	/*
+	 * addba_resp_timer may have fired before we got here, and
+	 * caused WANT_STOP to be set. If the stop then was already
+	 * processed further, STOPPING might be set.
+	 */
+	if (test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state) ||
+	    test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG
+		       "got addBA resp for tid %d but we already gave up\n",
+		       tid);
+#endif
+		goto out;
+	}
+
 	/*
 	 * IEEE 802.11-2007 7.3.1.14:
 	 * In an ADDBA Response frame, when the Status Code field
-- 
GitLab


From 2a1e0fd175dcfd72096ba9291d31e3b1b5342e60 Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Sun, 27 Nov 2011 15:29:44 +0200
Subject: [PATCH 0996/1594] mac80211: fix race between the AGG SM and the Tx
 data path

When a packet is supposed to sent be as an a-MPDU, mac80211 sets
IEEE80211_TX_CTL_AMPDU to let the driver know. On the other
hand, mac80211 configures the driver for aggregration with the
ampdu_action callback.
There is race between these two mechanisms since the following
scenario can occur when the BA agreement is torn down:

Tx softIRQ	 			drv configuration
==========				=================

check OPERATIONAL bit
Set the TX_CTL_AMPDU bit in the packet

					clear OPERATIONAL bit
					stop Tx AGG
Pass Tx packet to the driver.

In that case the driver would get a packet with TX_CTL_AMPDU set
although it has already been notified that the BA session has been
torn down.

To fix this, we need to synchronize all the Qdisc activity after we
cleared the OPERATIONAL bit. After that step, all the following
packets will be buffered until the driver reports it is ready to get
new packets for this RA / TID. This buffering allows not to run into
another race that would send packets with TX_CTL_AMPDU unset while
the driver hasn't been requested to tear down the BA session yet.

This race occurs in practice and iwlwifi complains with a WARN_ON
when it happens.

Cc: stable@kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/agg-tx.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index eea6e5c8d168..331472ce038c 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -192,6 +192,20 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 	 */
 	clear_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state);
 
+	/*
+	 * There might be a few packets being processed right now (on
+	 * another CPU) that have already gotten past the aggregation
+	 * check when it was still OPERATIONAL and consequently have
+	 * IEEE80211_TX_CTL_AMPDU set. In that case, this code might
+	 * call into the driver at the same time or even before the
+	 * TX paths calls into it, which could confuse the driver.
+	 *
+	 * Wait for all currently running TX paths to finish before
+	 * telling the driver. New packets will not go through since
+	 * the aggregation session is no longer OPERATIONAL.
+	 */
+	synchronize_net();
+
 	tid_tx->stop_initiator = initiator;
 	tid_tx->tx_stop = tx;
 
-- 
GitLab


From ba305e31e88ea5c2f598ff9fbc5424711a429e30 Mon Sep 17 00:00:00 2001
From: Tero Kristo <t-kristo@ti.com>
Date: Mon, 28 Nov 2011 16:53:19 +0200
Subject: [PATCH 0997/1594] regulator: twl: fix twl4030 support for smps
 regulators

SMPS regulator voltage control differs from the one of the LDO ones.
Current TWL code was using LDO regulator ops for controlling the SMPS
regulators, which fails. This was fixed fixed by adding separate
regulator type which uses correct logic and calculations for the
voltage levels.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 drivers/regulator/twl-regulator.c | 46 +++++++++++++++++++++++++++++--
 1 file changed, 44 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index ee8747f4fa08..11cc308d66e9 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -71,6 +71,7 @@ struct twlreg_info {
 #define VREG_TYPE		1
 #define VREG_REMAP		2
 #define VREG_DEDICATED		3	/* LDO control */
+#define VREG_VOLTAGE_SMPS_4030	9
 /* TWL6030 register offsets */
 #define VREG_TRANS		1
 #define VREG_STATE		2
@@ -514,6 +515,32 @@ static struct regulator_ops twl4030ldo_ops = {
 	.get_status	= twl4030reg_get_status,
 };
 
+static int
+twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
+			unsigned *selector)
+{
+	struct twlreg_info *info = rdev_get_drvdata(rdev);
+	int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
+
+	twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030,
+		vsel);
+	return 0;
+}
+
+static int twl4030smps_get_voltage(struct regulator_dev *rdev)
+{
+	struct twlreg_info *info = rdev_get_drvdata(rdev);
+	int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
+		VREG_VOLTAGE_SMPS_4030);
+
+	return vsel * 12500 + 600000;
+}
+
+static struct regulator_ops twl4030smps_ops = {
+	.set_voltage	= twl4030smps_set_voltage,
+	.get_voltage	= twl4030smps_get_voltage,
+};
+
 static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
 {
 	struct twlreg_info	*info = rdev_get_drvdata(rdev);
@@ -856,6 +883,21 @@ static struct regulator_ops twlsmps_ops = {
 		}, \
 	}
 
+#define TWL4030_ADJUSTABLE_SMPS(label, offset, num, turnon_delay, remap_conf) \
+	{ \
+	.base = offset, \
+	.id = num, \
+	.delay = turnon_delay, \
+	.remap = remap_conf, \
+	.desc = { \
+		.name = #label, \
+		.id = TWL4030_REG_##label, \
+		.ops = &twl4030smps_ops, \
+		.type = REGULATOR_VOLTAGE, \
+		.owner = THIS_MODULE, \
+		}, \
+	}
+
 #define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) { \
 	.base = offset, \
 	.min_mV = min_mVolts, \
@@ -947,8 +989,8 @@ static struct twlreg_info twl_regs[] = {
 	TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08),
 	TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08),
 	TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VDD1, 0x55, 15, 1000, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VDD2, 0x63, 16, 1000, 0x08),
+	TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08),
+	TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08),
 	TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08),
 	TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08),
 	TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08),
-- 
GitLab


From 6225da481597ebff09454c785fe0afc7f5fdbb77 Mon Sep 17 00:00:00 2001
From: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
Date: Mon, 28 Nov 2011 20:12:05 +0100
Subject: [PATCH 0998/1594] cciss: Add IRQF_SHARED back in for the non-MSI(X)
 interrupt handler

IRQF_SHARED is required for older controllers that don't support MSI(X)
and which may end up sharing an interrupt.

Also remove deprecated IRQF_DISABLED.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/cciss.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 8004ac30a7a8..6f22ed0dab65 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4880,7 +4880,7 @@ static int cciss_request_irq(ctlr_info_t *h,
 {
 	if (h->msix_vector || h->msi_vector) {
 		if (!request_irq(h->intr[h->intr_mode], msixhandler,
-				IRQF_DISABLED, h->devname, h))
+				0, h->devname, h))
 			return 0;
 		dev_err(&h->pdev->dev, "Unable to get msi irq %d"
 			" for %s\n", h->intr[h->intr_mode],
@@ -4889,7 +4889,7 @@ static int cciss_request_irq(ctlr_info_t *h,
 	}
 
 	if (!request_irq(h->intr[h->intr_mode], intxhandler,
-			IRQF_DISABLED, h->devname, h))
+			IRQF_SHARED, h->devname, h))
 		return 0;
 	dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
 		h->intr[h->intr_mode], h->devname);
-- 
GitLab


From 59bd71a81b66990564eac69aedd28ad87a2c81f4 Mon Sep 17 00:00:00 2001
From: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
Date: Mon, 28 Nov 2011 20:12:05 +0100
Subject: [PATCH 0999/1594] cciss: fix flush cache transfer length

We weren't filling in the transfer length of the
flush cache command (it transfers 4 bytes of zeroes).
Firmware didn't seem to be bothered by this, but it
should be fixed.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/cciss.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 6f22ed0dab65..587cce57adae 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2601,6 +2601,8 @@ static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
 			c->Request.Timeout = 0;
 			c->Request.CDB[0] = BMIC_WRITE;
 			c->Request.CDB[6] = BMIC_CACHE_FLUSH;
+			c->Request.CDB[7] = (size >> 8) & 0xFF;
+			c->Request.CDB[8] = size & 0xFF;
 			break;
 		case TEST_UNIT_READY:
 			c->Request.CDBLen = 6;
-- 
GitLab


From c34c97ad8c7c3cdacab2327235c2df4454ff1a06 Mon Sep 17 00:00:00 2001
From: Jonathan Lallinger <jonathan@ogc.us>
Date: Thu, 20 Oct 2011 13:25:14 -0500
Subject: [PATCH 1000/1594] RDMA/cxgb4: Fix iw_cxgb4 count_rcqes() logic

Fix another place in the code where logic dealing with the t4_cqe was
using the wrong QID.  This fixes the counting logic so that it tests
against the SQ QID instead of the RQ QID when counting RCQES.

Signed-off by: Jonathan Lallinger <jonathan@ogc.us>
Signed-off by: Steve Wise <swise@ogc.us>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/hw/cxgb4/cq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index f35a935267e7..0f1607c8325a 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -311,7 +311,7 @@ void c4iw_count_rcqes(struct t4_cq *cq, struct t4_wq *wq, int *count)
 	while (ptr != cq->sw_pidx) {
 		cqe = &cq->sw_queue[ptr];
 		if (RQ_TYPE(cqe) && (CQE_OPCODE(cqe) != FW_RI_READ_RESP) &&
-		    (CQE_QPID(cqe) == wq->rq.qid) && cqe_completes_wr(cqe, wq))
+		    (CQE_QPID(cqe) == wq->sq.qid) && cqe_completes_wr(cqe, wq))
 			(*count)++;
 		if (++ptr == cq->size)
 			ptr = 0;
-- 
GitLab


From 01b225e18fcb540c5d615ca79ef832473451f118 Mon Sep 17 00:00:00 2001
From: Kumar Sanghvi <kumaras@chelsio.com>
Date: Mon, 28 Nov 2011 22:09:15 +0530
Subject: [PATCH 1001/1594] RDMA/cxgb4: Fix retry with MPAv1 logic for MPAv2

Fix logic so that we don't retry with MPAv1 once we have done that
already.  Otherwise, we end up retrying with MPAv1 even when its not
needed on getting peer aborts - and this could lead to kernel panic.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/hw/cxgb4/cm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b36cdac9c558..760b2fe29365 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -542,8 +542,10 @@ static void send_mpa_req(struct c4iw_ep *ep, struct sk_buff *skb,
 		     (mpa_rev_to_use == 2 ? MPA_ENHANCED_RDMA_CONN : 0);
 	mpa->private_data_size = htons(ep->plen);
 	mpa->revision = mpa_rev_to_use;
-	if (mpa_rev_to_use == 1)
+	if (mpa_rev_to_use == 1) {
 		ep->tried_with_mpa_v1 = 1;
+		ep->retry_with_mpa_v1 = 0;
+	}
 
 	if (mpa_rev_to_use == 2) {
 		mpa->private_data_size +=
-- 
GitLab


From 8ee887d74b3d741991edaa1836d22636c28926d9 Mon Sep 17 00:00:00 2001
From: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Date: Wed, 9 Nov 2011 17:07:22 -0500
Subject: [PATCH 1002/1594] IB/qib: Fix over-scheduling of QSFP work

Don't over-schedule QSFP work on driver initialization.  It could end
up being run simultaneously on two different CPUs resulting in bad
EEPROM reads.  In combination with setting the physical IB link state
prior to the IBC being brought out of reset, this can cause the link
state machine to start training early with wrong settings.

Signed-off-by: Mitko Haralanov <mitko@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/hw/qib/qib_iba7322.c | 16 ++++++++--------
 drivers/infiniband/hw/qib/qib_qsfp.c    | 12 ------------
 2 files changed, 8 insertions(+), 20 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 8b46b608c02f..1d5895941e19 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -2307,19 +2307,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
 		SYM_LSB(IBCCtrlA_0, MaxPktLen);
 	ppd->cpspec->ibcctrl_a = ibc; /* without linkcmd or linkinitcmd! */
 
-	/* initially come up waiting for TS1, without sending anything. */
-	val = ppd->cpspec->ibcctrl_a | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
-		QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
-
-	ppd->cpspec->ibcctrl_a = val;
 	/*
 	 * Reset the PCS interface to the serdes (and also ibc, which is still
 	 * in reset from above).  Writes new value of ibcctrl_a as last step.
 	 */
 	qib_7322_mini_pcs_reset(ppd);
-	qib_write_kreg(dd, kr_scratch, 0ULL);
-	/* clear the linkinit cmds */
-	ppd->cpspec->ibcctrl_a &= ~SYM_MASK(IBCCtrlA_0, LinkInitCmd);
 
 	if (!ppd->cpspec->ibcctrl_b) {
 		unsigned lse = ppd->link_speed_enabled;
@@ -2385,6 +2377,14 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
 	ppd->cpspec->ibcctrl_a |= SYM_MASK(IBCCtrlA_0, IBLinkEn);
 	set_vls(ppd);
 
+	/* initially come up DISABLED, without sending anything. */
+	val = ppd->cpspec->ibcctrl_a | (QLOGIC_IB_IBCC_LINKINITCMD_DISABLE <<
+					QLOGIC_IB_IBCC_LINKINITCMD_SHIFT);
+	qib_write_kreg_port(ppd, krp_ibcctrl_a, val);
+	qib_write_kreg(dd, kr_scratch, 0ULL);
+	/* clear the linkinit cmds */
+	ppd->cpspec->ibcctrl_a = val & ~SYM_MASK(IBCCtrlA_0, LinkInitCmd);
+
 	/* be paranoid against later code motion, etc. */
 	spin_lock_irqsave(&dd->cspec->rcvmod_lock, flags);
 	ppd->p_rcvctrl |= SYM_MASK(RcvCtrl_0, RcvIBPortEnable);
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.c b/drivers/infiniband/hw/qib/qib_qsfp.c
index e06c4ed383f1..fa71b1e666c5 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.c
+++ b/drivers/infiniband/hw/qib/qib_qsfp.c
@@ -480,18 +480,6 @@ void qib_qsfp_init(struct qib_qsfp_data *qd,
 	udelay(20); /* Generous RST dwell */
 
 	dd->f_gpio_mod(dd, mask, mask, mask);
-	/* Spec says module can take up to two seconds! */
-	mask = QSFP_GPIO_MOD_PRS_N;
-	if (qd->ppd->hw_pidx)
-		mask <<= QSFP_GPIO_PORT2_SHIFT;
-
-	/* Do not try to wait here. Better to let event handle it */
-	if (!qib_qsfp_mod_present(qd->ppd))
-		goto bail;
-	/* We see a module, but it may be unwise to look yet. Just schedule */
-	qd->t_insert = get_jiffies_64();
-	queue_work(ib_wq, &qd->work);
-bail:
 	return;
 }
 
-- 
GitLab


From 5841eb6402707a387b216373e65c9c28e8136663 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Wed, 23 Nov 2011 21:18:39 +0100
Subject: [PATCH 1003/1594] PM / Domains: Document how PM domains are used by
 the PM core

The current power management documentation in Documentation/power/
either doesn't cover PM domains at all, or gives inaccurate
information about them, so update the relevant files in there to
follow the code.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 Documentation/power/devices.txt    | 42 +++++++++++++++++++-----------
 Documentation/power/runtime_pm.txt | 29 +++++++++++++--------
 2 files changed, 45 insertions(+), 26 deletions(-)

diff --git a/Documentation/power/devices.txt b/Documentation/power/devices.txt
index 646a89e0c07d..4342acbeee10 100644
--- a/Documentation/power/devices.txt
+++ b/Documentation/power/devices.txt
@@ -123,9 +123,10 @@ please refer directly to the source code for more information about it.
 Subsystem-Level Methods
 -----------------------
 The core methods to suspend and resume devices reside in struct dev_pm_ops
-pointed to by the pm member of struct bus_type, struct device_type and
-struct class.  They are mostly of interest to the people writing infrastructure
-for buses, like PCI or USB, or device type and device class drivers.
+pointed to by the ops member of struct dev_pm_domain, or by the pm member of
+struct bus_type, struct device_type and struct class.  They are mostly of
+interest to the people writing infrastructure for platforms and buses, like PCI
+or USB, or device type and device class drivers.
 
 Bus drivers implement these methods as appropriate for the hardware and the
 drivers using it; PCI works differently from USB, and so on.  Not many people
@@ -251,18 +252,29 @@ various phases always run after tasks have been frozen and before they are
 unfrozen.  Furthermore, the *_noirq phases run at a time when IRQ handlers have
 been disabled (except for those marked with the IRQ_WAKEUP flag).
 
-All phases use bus, type, or class callbacks (that is, methods defined in
-dev->bus->pm, dev->type->pm, or dev->class->pm).  These callbacks are mutually
-exclusive, so if the device type provides a struct dev_pm_ops object pointed to
-by its pm field (i.e. both dev->type and dev->type->pm are defined), the
-callbacks included in that object (i.e. dev->type->pm) will be used.  Otherwise,
-if the class provides a struct dev_pm_ops object pointed to by its pm field
-(i.e. both dev->class and dev->class->pm are defined), the PM core will use the
-callbacks from that object (i.e. dev->class->pm).  Finally, if the pm fields of
-both the device type and class objects are NULL (or those objects do not exist),
-the callbacks provided by the bus (that is, the callbacks from dev->bus->pm)
-will be used (this allows device types to override callbacks provided by bus
-types or classes if necessary).
+All phases use PM domain, bus, type, or class callbacks (that is, methods
+defined in dev->pm_domain->ops, dev->bus->pm, dev->type->pm, or dev->class->pm).
+These callbacks are regarded by the PM core as mutually exclusive.  Moreover,
+PM domain callbacks always take precedence over bus, type and class callbacks,
+while type callbacks take precedence over bus and class callbacks, and class
+callbacks take precedence over bus callbacks.  To be precise, the following
+rules are used to determine which callback to execute in the given phase:
+
+    1.	If dev->pm_domain is present, the PM core will attempt to execute the
+	callback included in dev->pm_domain->ops.  If that callback is not
+	present, no action will be carried out for the given device.
+
+    2.	Otherwise, if both dev->type and dev->type->pm are present, the callback
+	included in dev->type->pm will be executed.
+
+    3.	Otherwise, if both dev->class and dev->class->pm are present, the
+	callback included in dev->class->pm will be executed.
+
+    4.	Otherwise, if both dev->bus and dev->bus->pm are present, the callback
+	included in dev->bus->pm will be executed.
+
+This allows PM domains and device types to override callbacks provided by bus
+types or device classes if necessary.
 
 These callbacks may in turn invoke device- or driver-specific methods stored in
 dev->driver->pm, but they don't have to.
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 5336149f831b..79b10a090c9f 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -44,17 +44,24 @@ struct dev_pm_ops {
 };
 
 The ->runtime_suspend(), ->runtime_resume() and ->runtime_idle() callbacks
-are executed by the PM core for either the power domain, or the device type
-(if the device power domain's struct dev_pm_ops does not exist), or the class
-(if the device power domain's and type's struct dev_pm_ops object does not
-exist), or the bus type (if the device power domain's, type's and class'
-struct dev_pm_ops objects do not exist) of the given device, so the priority
-order of callbacks from high to low is that power domain callbacks, device
-type callbacks, class callbacks and bus type callbacks, and the high priority
-one will take precedence over low priority one. The bus type, device type and
-class callbacks are referred to as subsystem-level callbacks in what follows,
-and generally speaking, the power domain callbacks are used for representing
-power domains within a SoC.
+are executed by the PM core for the device's subsystem that may be either of
+the following:
+
+  1. PM domain of the device, if the device's PM domain object, dev->pm_domain,
+     is present.
+
+  2. Device type of the device, if both dev->type and dev->type->pm are present.
+
+  3. Device class of the device, if both dev->class and dev->class->pm are
+     present.
+
+  4. Bus type of the device, if both dev->bus and dev->bus->pm are present.
+
+The PM core always checks which callback to use in the order given above, so the
+priority order of callbacks from high to low is: PM domain, device type, class
+and bus type.  Moreover, the high-priority one will always take precedence over
+a low-priority one.  The PM domain, bus type, device type and class callbacks
+are referred to as subsystem-level callbacks in what follows.
 
 By default, the callbacks are always invoked in process context with interrupts
 enabled.  However, subsystems can use the pm_runtime_irq_safe() helper function
-- 
GitLab


From fa8ce723936460fcf7e49f508fd5dbd5125e39c4 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Wed, 23 Nov 2011 21:19:57 +0100
Subject: [PATCH 1004/1594] PM / Sleep: Correct inaccurate information in
 devices.txt

The documentation file Documentation/power/devices.txt contains some
information that isn't correct any more due to code modifications
made after that file had been created (or updated last time).  Fix
this.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 Documentation/power/devices.txt | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/Documentation/power/devices.txt b/Documentation/power/devices.txt
index 4342acbeee10..ed3228884133 100644
--- a/Documentation/power/devices.txt
+++ b/Documentation/power/devices.txt
@@ -250,7 +250,7 @@ for every device before the next phase begins.  Not all busses or classes
 support all these callbacks and not all drivers use all the callbacks.  The
 various phases always run after tasks have been frozen and before they are
 unfrozen.  Furthermore, the *_noirq phases run at a time when IRQ handlers have
-been disabled (except for those marked with the IRQ_WAKEUP flag).
+been disabled (except for those marked with the IRQF_NO_SUSPEND flag).
 
 All phases use PM domain, bus, type, or class callbacks (that is, methods
 defined in dev->pm_domain->ops, dev->bus->pm, dev->type->pm, or dev->class->pm).
@@ -295,9 +295,8 @@ When the system goes into the standby or memory sleep state, the phases are:
 
 	After the prepare callback method returns, no new children may be
 	registered below the device.  The method may also prepare the device or
-	driver in some way for the upcoming system power transition (for
-	example, by allocating additional memory required for this purpose), but
-	it should not put the device into a low-power state.
+	driver in some way for the upcoming system power transition, but it
+	should not put the device into a low-power state.
 
     2.	The suspend methods should quiesce the device to stop it from performing
 	I/O.  They also may save the device registers and put it into the
-- 
GitLab


From 907565921966260921e4c4581ed8985ef4cf9a67 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Wed, 23 Nov 2011 21:20:07 +0100
Subject: [PATCH 1005/1594] PM / Runtime: Make documentation follow the new
 behavior of irq_safe

The runtime PM core code behavior related to the power.irq_safe
device flag has changed recently and the documentation should be
modified to reflect it.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 Documentation/power/runtime_pm.txt | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 79b10a090c9f..c2ae8bf77d46 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -65,11 +65,12 @@ are referred to as subsystem-level callbacks in what follows.
 
 By default, the callbacks are always invoked in process context with interrupts
 enabled.  However, subsystems can use the pm_runtime_irq_safe() helper function
-to tell the PM core that a device's ->runtime_suspend() and ->runtime_resume()
-callbacks should be invoked in atomic context with interrupts disabled.
-This implies that these callback routines must not block or sleep, but it also
-means that the synchronous helper functions listed at the end of Section 4 can
-be used within an interrupt handler or in an atomic context.
+to tell the PM core that their ->runtime_suspend(), ->runtime_resume() and
+->runtime_idle() callbacks may be invoked in atomic context with interrupts
+disabled for a given device.  This implies that the callback routines in
+question must not block or sleep, but it also means that the synchronous helper
+functions listed at the end of Section 4 may be used for that device within an
+interrupt handler or generally in an atomic context.
 
 The subsystem-level suspend callback is _entirely_ _responsible_ for handling
 the suspend of the device as appropriate, which may, but need not include
-- 
GitLab


From fafba48d4dd6fcbb1fd7ac4ab0ba22ef45b9796c Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Wed, 23 Nov 2011 21:20:15 +0100
Subject: [PATCH 1006/1594] PM / Sleep: Update documentation related to system
 wakeup

The system wakeup section of Documentation/power/devices.txt is
outdated, so make it agree with the current code.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 Documentation/power/devices.txt | 60 +++++++++++++++++++++------------
 1 file changed, 38 insertions(+), 22 deletions(-)

diff --git a/Documentation/power/devices.txt b/Documentation/power/devices.txt
index ed3228884133..3139fb505dce 100644
--- a/Documentation/power/devices.txt
+++ b/Documentation/power/devices.txt
@@ -140,41 +140,57 @@ sequencing in the driver model tree.
 
 /sys/devices/.../power/wakeup files
 -----------------------------------
-All devices in the driver model have two flags to control handling of wakeup
-events (hardware signals that can force the device and/or system out of a low
-power state).  These flags are initialized by bus or device driver code using
+All device objects in the driver model contain fields that control the handling
+of system wakeup events (hardware signals that can force the system out of a
+sleep state).  These fields are initialized by bus or device driver code using
 device_set_wakeup_capable() and device_set_wakeup_enable(), defined in
 include/linux/pm_wakeup.h.
 
-The "can_wakeup" flag just records whether the device (and its driver) can
+The "power.can_wakeup" flag just records whether the device (and its driver) can
 physically support wakeup events.  The device_set_wakeup_capable() routine
-affects this flag.  The "should_wakeup" flag controls whether the device should
-try to use its wakeup mechanism.  device_set_wakeup_enable() affects this flag;
-for the most part drivers should not change its value.  The initial value of
-should_wakeup is supposed to be false for the majority of devices; the major
-exceptions are power buttons, keyboards, and Ethernet adapters whose WoL
-(wake-on-LAN) feature has been set up with ethtool.  It should also default
-to true for devices that don't generate wakeup requests on their own but merely
-forward wakeup requests from one bus to another (like PCI bridges).
+affects this flag.  The "power.wakeup" field is a pointer to an object of type
+struct wakeup_source used for controlling whether or not the device should use
+its system wakeup mechanism and for notifying the PM core of system wakeup
+events signaled by the device.  This object is only present for wakeup-capable
+devices (i.e. devices whose "can_wakeup" flags are set) and is created (or
+removed) by device_set_wakeup_capable().
 
 Whether or not a device is capable of issuing wakeup events is a hardware
 matter, and the kernel is responsible for keeping track of it.  By contrast,
 whether or not a wakeup-capable device should issue wakeup events is a policy
 decision, and it is managed by user space through a sysfs attribute: the
-power/wakeup file.  User space can write the strings "enabled" or "disabled" to
-set or clear the "should_wakeup" flag, respectively.  This file is only present
-for wakeup-capable devices (i.e. devices whose "can_wakeup" flags are set)
-and is created (or removed) by device_set_wakeup_capable().  Reads from the
-file will return the corresponding string.
-
-The device_may_wakeup() routine returns true only if both flags are set.
+"power/wakeup" file.  User space can write the strings "enabled" or "disabled"
+to it to indicate whether or not, respectively, the device is supposed to signal
+system wakeup.  This file is only present if the "power.wakeup" object exists
+for the given device and is created (or removed) along with that object, by
+device_set_wakeup_capable().  Reads from the file will return the corresponding
+string.
+
+The "power/wakeup" file is supposed to contain the "disabled" string initially
+for the majority of devices; the major exceptions are power buttons, keyboards,
+and Ethernet adapters whose WoL (wake-on-LAN) feature has been set up with
+ethtool.  It should also default to "enabled" for devices that don't generate
+wakeup requests on their own but merely forward wakeup requests from one bus to
+another (like PCI Express ports).
+
+The device_may_wakeup() routine returns true only if the "power.wakeup" object
+exists and the corresponding "power/wakeup" file contains the string "enabled".
 This information is used by subsystems, like the PCI bus type code, to see
 whether or not to enable the devices' wakeup mechanisms.  If device wakeup
 mechanisms are enabled or disabled directly by drivers, they also should use
 device_may_wakeup() to decide what to do during a system sleep transition.
-However for runtime power management, wakeup events should be enabled whenever
-the device and driver both support them, regardless of the should_wakeup flag.
-
+Device drivers, however, are not supposed to call device_set_wakeup_enable()
+directly in any case.
+
+It ought to be noted that system wakeup is conceptually different from "remote
+wakeup" used by runtime power management, although it may be supported by the
+same physical mechanism.  Remote wakeup is a feature allowing devices in
+low-power states to trigger specific interrupts to signal conditions in which
+they should be put into the full-power state.  Those interrupts may or may not
+be used to signal system wakeup events, depending on the hardware design.  On
+some systems it is impossible to trigger them from system sleep states.  In any
+case, remote wakeup should always be enabled for runtime power management for
+all devices and drivers that support it.
 
 /sys/devices/.../power/control files
 ------------------------------------
-- 
GitLab


From f7bc83d87d242917ca0ee041ed509f57f361dd56 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Wed, 23 Nov 2011 21:20:32 +0100
Subject: [PATCH 1007/1594] PM: Update comments describing device power
 management callbacks

The comments describing device power management callbacks in
include/pm.h are outdated and somewhat confusing, so make them
reflect the reality more accurately.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 include/linux/pm.h | 229 ++++++++++++++++++++++++++-------------------
 1 file changed, 134 insertions(+), 95 deletions(-)

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 5c4c8b18c8b7..3f3ed83a9aa5 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -54,118 +54,145 @@ typedef struct pm_message {
 /**
  * struct dev_pm_ops - device PM callbacks
  *
- * Several driver power state transitions are externally visible, affecting
+ * Several device power state transitions are externally visible, affecting
  * the state of pending I/O queues and (for drivers that touch hardware)
  * interrupts, wakeups, DMA, and other hardware state.  There may also be
- * internal transitions to various low power modes, which are transparent
+ * internal transitions to various low-power modes which are transparent
  * to the rest of the driver stack (such as a driver that's ON gating off
  * clocks which are not in active use).
  *
- * The externally visible transitions are handled with the help of the following
- * callbacks included in this structure:
- *
- * @prepare: Prepare the device for the upcoming transition, but do NOT change
- *	its hardware state.  Prevent new children of the device from being
- *	registered after @prepare() returns (the driver's subsystem and
- *	generally the rest of the kernel is supposed to prevent new calls to the
- *	probe method from being made too once @prepare() has succeeded).  If
- *	@prepare() detects a situation it cannot handle (e.g. registration of a
- *	child already in progress), it may return -EAGAIN, so that the PM core
- *	can execute it once again (e.g. after the new child has been registered)
- *	to recover from the race condition.  This method is executed for all
- *	kinds of suspend transitions and is followed by one of the suspend
- *	callbacks: @suspend(), @freeze(), or @poweroff().
- *	The PM core executes @prepare() for all devices before starting to
- *	execute suspend callbacks for any of them, so drivers may assume all of
- *	the other devices to be present and functional while @prepare() is being
- *	executed.  In particular, it is safe to make GFP_KERNEL memory
- *	allocations from within @prepare().  However, drivers may NOT assume
- *	anything about the availability of the user space at that time and it
- *	is not correct to request firmware from within @prepare() (it's too
- *	late to do that).  [To work around this limitation, drivers may
- *	register suspend and hibernation notifiers that are executed before the
- *	freezing of tasks.]
+ * The externally visible transitions are handled with the help of callbacks
+ * included in this structure in such a way that two levels of callbacks are
+ * involved.  First, the PM core executes callbacks provided by PM domains,
+ * device types, classes and bus types.  They are the subsystem-level callbacks
+ * supposed to execute callbacks provided by device drivers, although they may
+ * choose not to do that.  If the driver callbacks are executed, they have to
+ * collaborate with the subsystem-level callbacks to achieve the goals
+ * appropriate for the given system transition, given transition phase and the
+ * subsystem the device belongs to.
+ *
+ * @prepare: The principal role of this callback is to prevent new children of
+ *	the device from being registered after it has returned (the driver's
+ *	subsystem and generally the rest of the kernel is supposed to prevent
+ *	new calls to the probe method from being made too once @prepare() has
+ *	succeeded).  If @prepare() detects a situation it cannot handle (e.g.
+ *	registration of a child already in progress), it may return -EAGAIN, so
+ *	that the PM core can execute it once again (e.g. after a new child has
+ *	been registered) to recover from the race condition.
+ *	This method is executed for all kinds of suspend transitions and is
+ *	followed by one of the suspend callbacks: @suspend(), @freeze(), or
+ *	@poweroff().  The PM core executes subsystem-level @prepare() for all
+ *	devices before starting to invoke suspend callbacks for any of them, so
+ *	generally devices may be assumed to be functional or to respond to
+ *	runtime resume requests while @prepare() is being executed.  However,
+ *	device drivers may NOT assume anything about the availability of user
+ *	space at that time and it is NOT valid to request firmware from within
+ *	@prepare() (it's too late to do that).  It also is NOT valid to allocate
+ *	substantial amounts of memory from @prepare() in the GFP_KERNEL mode.
+ *	[To work around these limitations, drivers may register suspend and
+ *	hibernation notifiers to be executed before the freezing of tasks.]
  *
  * @complete: Undo the changes made by @prepare().  This method is executed for
  *	all kinds of resume transitions, following one of the resume callbacks:
  *	@resume(), @thaw(), @restore().  Also called if the state transition
- *	fails before the driver's suspend callback (@suspend(), @freeze(),
- *	@poweroff()) can be executed (e.g. if the suspend callback fails for one
+ *	fails before the driver's suspend callback: @suspend(), @freeze() or
+ *	@poweroff(), can be executed (e.g. if the suspend callback fails for one
  *	of the other devices that the PM core has unsuccessfully attempted to
  *	suspend earlier).
- *	The PM core executes @complete() after it has executed the appropriate
- *	resume callback for all devices.
+ *	The PM core executes subsystem-level @complete() after it has executed
+ *	the appropriate resume callbacks for all devices.
  *
  * @suspend: Executed before putting the system into a sleep state in which the
- *	contents of main memory are preserved.  Quiesce the device, put it into
- *	a low power state appropriate for the upcoming system state (such as
- *	PCI_D3hot), and enable wakeup events as appropriate.
+ *	contents of main memory are preserved.  The exact action to perform
+ *	depends on the device's subsystem (PM domain, device type, class or bus
+ *	type), but generally the device must be quiescent after subsystem-level
+ *	@suspend() has returned, so that it doesn't do any I/O or DMA.
+ *	Subsystem-level @suspend() is executed for all devices after invoking
+ *	subsystem-level @prepare() for all of them.
  *
  * @resume: Executed after waking the system up from a sleep state in which the
- *	contents of main memory were preserved.  Put the device into the
- *	appropriate state, according to the information saved in memory by the
- *	preceding @suspend().  The driver starts working again, responding to
- *	hardware events and software requests.  The hardware may have gone
- *	through a power-off reset, or it may have maintained state from the
- *	previous suspend() which the driver may rely on while resuming.  On most
- *	platforms, there are no restrictions on availability of resources like
- *	clocks during @resume().
+ *	contents of main memory were preserved.  The exact action to perform
+ *	depends on the device's subsystem, but generally the driver is expected
+ *	to start working again, responding to hardware events and software
+ *	requests (the device itself may be left in a low-power state, waiting
+ *	for a runtime resume to occur).  The state of the device at the time its
+ *	driver's @resume() callback is run depends on the platform and subsystem
+ *	the device belongs to.  On most platforms, there are no restrictions on
+ *	availability of resources like clocks during @resume().
+ *	Subsystem-level @resume() is executed for all devices after invoking
+ *	subsystem-level @resume_noirq() for all of them.
  *
  * @freeze: Hibernation-specific, executed before creating a hibernation image.
- *	Quiesce operations so that a consistent image can be created, but do NOT
- *	otherwise put the device into a low power device state and do NOT emit
- *	system wakeup events.  Save in main memory the device settings to be
- *	used by @restore() during the subsequent resume from hibernation or by
- *	the subsequent @thaw(), if the creation of the image or the restoration
- *	of main memory contents from it fails.
+ *	Analogous to @suspend(), but it should not enable the device to signal
+ *	wakeup events or change its power state.  The majority of subsystems
+ *	(with the notable exception of the PCI bus type) expect the driver-level
+ *	@freeze() to save the device settings in memory to be used by @restore()
+ *	during the subsequent resume from hibernation.
+ *	Subsystem-level @freeze() is executed for all devices after invoking
+ *	subsystem-level @prepare() for all of them.
  *
  * @thaw: Hibernation-specific, executed after creating a hibernation image OR
- *	if the creation of the image fails.  Also executed after a failing
+ *	if the creation of an image has failed.  Also executed after a failing
  *	attempt to restore the contents of main memory from such an image.
  *	Undo the changes made by the preceding @freeze(), so the device can be
  *	operated in the same way as immediately before the call to @freeze().
+ *	Subsystem-level @thaw() is executed for all devices after invoking
+ *	subsystem-level @thaw_noirq() for all of them.  It also may be executed
+ *	directly after @freeze() in case of a transition error.
  *
  * @poweroff: Hibernation-specific, executed after saving a hibernation image.
- *	Quiesce the device, put it into a low power state appropriate for the
- *	upcoming system state (such as PCI_D3hot), and enable wakeup events as
- *	appropriate.
+ *	Analogous to @suspend(), but it need not save the device's settings in
+ *	memory.
+ *	Subsystem-level @poweroff() is executed for all devices after invoking
+ *	subsystem-level @prepare() for all of them.
  *
  * @restore: Hibernation-specific, executed after restoring the contents of main
- *	memory from a hibernation image.  Driver starts working again,
- *	responding to hardware events and software requests.  Drivers may NOT
- *	make ANY assumptions about the hardware state right prior to @restore().
- *	On most platforms, there are no restrictions on availability of
- *	resources like clocks during @restore().
- *
- * @suspend_noirq: Complete the operations of ->suspend() by carrying out any
- *	actions required for suspending the device that need interrupts to be
- *	disabled
- *
- * @resume_noirq: Prepare for the execution of ->resume() by carrying out any
- *	actions required for resuming the device that need interrupts to be
- *	disabled
- *
- * @freeze_noirq: Complete the operations of ->freeze() by carrying out any
- *	actions required for freezing the device that need interrupts to be
- *	disabled
- *
- * @thaw_noirq: Prepare for the execution of ->thaw() by carrying out any
- *	actions required for thawing the device that need interrupts to be
- *	disabled
- *
- * @poweroff_noirq: Complete the operations of ->poweroff() by carrying out any
- *	actions required for handling the device that need interrupts to be
- *	disabled
- *
- * @restore_noirq: Prepare for the execution of ->restore() by carrying out any
- *	actions required for restoring the operations of the device that need
- *	interrupts to be disabled
+ *	memory from a hibernation image, analogous to @resume().
+ *
+ * @suspend_noirq: Complete the actions started by @suspend().  Carry out any
+ *	additional operations required for suspending the device that might be
+ *	racing with its driver's interrupt handler, which is guaranteed not to
+ *	run while @suspend_noirq() is being executed.
+ *	It generally is expected that the device will be in a low-power state
+ *	(appropriate for the target system sleep state) after subsystem-level
+ *	@suspend_noirq() has returned successfully.  If the device can generate
+ *	system wakeup signals and is enabled to wake up the system, it should be
+ *	configured to do so at that time.  However, depending on the platform
+ *	and device's subsystem, @suspend() may be allowed to put the device into
+ *	the low-power state and configure it to generate wakeup signals, in
+ *	which case it generally is not necessary to define @suspend_noirq().
+ *
+ * @resume_noirq: Prepare for the execution of @resume() by carrying out any
+ *	operations required for resuming the device that might be racing with
+ *	its driver's interrupt handler, which is guaranteed not to run while
+ *	@resume_noirq() is being executed.
+ *
+ * @freeze_noirq: Complete the actions started by @freeze().  Carry out any
+ *	additional operations required for freezing the device that might be
+ *	racing with its driver's interrupt handler, which is guaranteed not to
+ *	run while @freeze_noirq() is being executed.
+ *	The power state of the device should not be changed by either @freeze()
+ *	or @freeze_noirq() and it should not be configured to signal system
+ *	wakeup by any of these callbacks.
+ *
+ * @thaw_noirq: Prepare for the execution of @thaw() by carrying out any
+ *	operations required for thawing the device that might be racing with its
+ *	driver's interrupt handler, which is guaranteed not to run while
+ *	@thaw_noirq() is being executed.
+ *
+ * @poweroff_noirq: Complete the actions started by @poweroff().  Analogous to
+ *	@suspend_noirq(), but it need not save the device's settings in memory.
+ *
+ * @restore_noirq: Prepare for the execution of @restore() by carrying out any
+ *	operations required for thawing the device that might be racing with its
+ *	driver's interrupt handler, which is guaranteed not to run while
+ *	@restore_noirq() is being executed.  Analogous to @resume_noirq().
  *
  * All of the above callbacks, except for @complete(), return error codes.
  * However, the error codes returned by the resume operations, @resume(),
- * @thaw(), @restore(), @resume_noirq(), @thaw_noirq(), and @restore_noirq() do
+ * @thaw(), @restore(), @resume_noirq(), @thaw_noirq(), and @restore_noirq(), do
  * not cause the PM core to abort the resume transition during which they are
- * returned.  The error codes returned in that cases are only printed by the PM
+ * returned.  The error codes returned in those cases are only printed by the PM
  * core to the system logs for debugging purposes.  Still, it is recommended
  * that drivers only return error codes from their resume methods in case of an
  * unrecoverable failure (i.e. when the device being handled refuses to resume
@@ -174,31 +201,43 @@ typedef struct pm_message {
  * their children.
  *
  * It is allowed to unregister devices while the above callbacks are being
- * executed.  However, it is not allowed to unregister a device from within any
- * of its own callbacks.
+ * executed.  However, a callback routine must NOT try to unregister the device
+ * it was called for, although it may unregister children of that device (for
+ * example, if it detects that a child was unplugged while the system was
+ * asleep).
+ *
+ * Refer to Documentation/power/devices.txt for more information about the role
+ * of the above callbacks in the system suspend process.
  *
- * There also are the following callbacks related to run-time power management
- * of devices:
+ * There also are callbacks related to runtime power management of devices.
+ * Again, these callbacks are executed by the PM core only for subsystems
+ * (PM domains, device types, classes and bus types) and the subsystem-level
+ * callbacks are supposed to invoke the driver callbacks.  Moreover, the exact
+ * actions to be performed by a device driver's callbacks generally depend on
+ * the platform and subsystem the device belongs to.
  *
  * @runtime_suspend: Prepare the device for a condition in which it won't be
  *	able to communicate with the CPU(s) and RAM due to power management.
- *	This need not mean that the device should be put into a low power state.
+ *	This need not mean that the device should be put into a low-power state.
  *	For example, if the device is behind a link which is about to be turned
  *	off, the device may remain at full power.  If the device does go to low
- *	power and is capable of generating run-time wake-up events, remote
- *	wake-up (i.e., a hardware mechanism allowing the device to request a
- *	change of its power state via a wake-up event, such as PCI PME) should
- *	be enabled for it.
+ *	power and is capable of generating runtime wakeup events, remote wakeup
+ *	(i.e., a hardware mechanism allowing the device to request a change of
+ *	its power state via an interrupt) should be enabled for it.
  *
  * @runtime_resume: Put the device into the fully active state in response to a
- *	wake-up event generated by hardware or at the request of software.  If
- *	necessary, put the device into the full power state and restore its
+ *	wakeup event generated by hardware or at the request of software.  If
+ *	necessary, put the device into the full-power state and restore its
  *	registers, so that it is fully operational.
  *
- * @runtime_idle: Device appears to be inactive and it might be put into a low
- *	power state if all of the necessary conditions are satisfied.  Check
+ * @runtime_idle: Device appears to be inactive and it might be put into a
+ *	low-power state if all of the necessary conditions are satisfied.  Check
  *	these conditions and handle the device as appropriate, possibly queueing
  *	a suspend request for it.  The return value is ignored by the PM core.
+ *
+ * Refer to Documentation/power/runtime_pm.txt for more information about the
+ * role of the above callbacks in device runtime power management.
+ *
  */
 
 struct dev_pm_ops {
-- 
GitLab


From fc07ecd851bd082265b52838eff12f50b88f6114 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 28 Nov 2011 21:16:56 +0000
Subject: [PATCH 1008/1594] ASoC: Error out if we can't generate a LRCLK at all
 for WM8994

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8994.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 9c982e47eb99..36ba1edfff80 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2357,6 +2357,11 @@ static int wm8994_hw_params(struct snd_pcm_substream *substream,
 	bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
 
 	lrclk = bclk_rate / params_rate(params);
+	if (!lrclk) {
+		dev_err(dai->dev, "Unable to generate LRCLK from %dHz BCLK\n",
+			bclk_rate);
+		return -EINVAL;
+	}
 	dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
 		lrclk, bclk_rate / lrclk);
 
-- 
GitLab


From 5cac98dd06bc43a7baab3523184f70fd359e9f35 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Sun, 27 Nov 2011 21:14:46 +0000
Subject: [PATCH 1009/1594] net: Fix corruption in /proc/*/net/dev_mcast

I just hit this during my testing. Isn't there another bug lurking?

BUG kmalloc-8: Redzone overwritten

INFO: 0xc0000000de9dec48-0xc0000000de9dec4b. First byte 0x0 instead of 0xcc
INFO: Allocated in .__seq_open_private+0x30/0xa0 age=0 cpu=5 pid=3896
	.__kmalloc+0x1e0/0x2d0
	.__seq_open_private+0x30/0xa0
	.seq_open_net+0x60/0xe0
	.dev_mc_seq_open+0x4c/0x70
	.proc_reg_open+0xd8/0x260
	.__dentry_open.clone.11+0x2b8/0x400
	.do_last+0xf4/0x950
	.path_openat+0xf8/0x480
	.do_filp_open+0x48/0xc0
	.do_sys_open+0x140/0x250
	syscall_exit+0x0/0x40

dev_mc_seq_ops uses dev_seq_start/next/stop but only allocates
sizeof(struct seq_net_private) of private data, whereas it expects
sizeof(struct dev_iter_state):

struct dev_iter_state {
	struct seq_net_private p;
	unsigned int pos; /* bucket << BUCKET_SPACE + offset */
};

Create dev_seq_open_ops and use it so we don't have to expose
struct dev_iter_state.

[ Problem added by commit f04565ddf52e4 (dev: use name hash for
  dev_seq_ops) -Eric ]

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h | 2 ++
 net/core/dev.c            | 6 ++++++
 net/core/dev_addr_lists.c | 3 +--
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index cbeb5867cff7..a82ad4dd306a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2536,6 +2536,8 @@ extern void		net_disable_timestamp(void);
 extern void *dev_seq_start(struct seq_file *seq, loff_t *pos);
 extern void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos);
 extern void dev_seq_stop(struct seq_file *seq, void *v);
+extern int dev_seq_open_ops(struct inode *inode, struct file *file,
+			    const struct seq_operations *ops);
 #endif
 
 extern int netdev_class_create_file(struct class_attribute *class_attr);
diff --git a/net/core/dev.c b/net/core/dev.c
index 6ba50a1e404c..1482eea0bbf0 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4282,6 +4282,12 @@ static int dev_seq_open(struct inode *inode, struct file *file)
 			    sizeof(struct dev_iter_state));
 }
 
+int dev_seq_open_ops(struct inode *inode, struct file *file,
+		     const struct seq_operations *ops)
+{
+	return seq_open_net(inode, file, ops, sizeof(struct dev_iter_state));
+}
+
 static const struct file_operations dev_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = dev_seq_open,
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 277faef9148d..febba516db62 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -696,8 +696,7 @@ static const struct seq_operations dev_mc_seq_ops = {
 
 static int dev_mc_seq_open(struct inode *inode, struct file *file)
 {
-	return seq_open_net(inode, file, &dev_mc_seq_ops,
-			    sizeof(struct seq_net_private));
+	return dev_seq_open_ops(inode, file, &dev_mc_seq_ops);
 }
 
 static const struct file_operations dev_mc_seq_fops = {
-- 
GitLab


From 2a38e6d5aed24bb7f0211e0819fac8c32c2b5791 Mon Sep 17 00:00:00 2001
From: Li Wei <lw@cn.fujitsu.com>
Date: Sun, 27 Nov 2011 21:33:34 +0000
Subject: [PATCH 1010/1594] ipv6: Set mcast_hops to IPV6_DEFAULT_MCASTHOPS when
 -1 was given.

We need to set np->mcast_hops to it's default value at this moment
otherwise when we use it and found it's value is -1, the logic to
get default hop limit doesn't take multicast into account and will
return wrong hop limit(IPV6_DEFAULT_HOPLIMIT) which is for unicast.

Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ipv6_sockglue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index c99e3ee9781f..26cb08c84b74 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -503,7 +503,7 @@ done:
 			goto e_inval;
 		if (val > 255 || val < -1)
 			goto e_inval;
-		np->mcast_hops = val;
+		np->mcast_hops = (val == -1 ? IPV6_DEFAULT_MCASTHOPS : val);
 		retv = 0;
 		break;
 
-- 
GitLab


From fc8e6e8668e74fbf8e00d6e143d7f43b20f73f32 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 28 Nov 2011 18:48:46 +0000
Subject: [PATCH 1011/1594] ASoC: Supply dcs_codes for newer WM1811 revisions

Based on initial data.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8994.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 36ba1edfff80..6c2988549003 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3183,6 +3183,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
 		switch (wm8994->revision) {
 		case 0:
 		case 1:
+		case 2:
+		case 3:
 			wm8994->hubs.dcs_codes_l = -9;
 			wm8994->hubs.dcs_codes_r = -5;
 			break;
-- 
GitLab


From eee628da2ee3cbba6f14696278c92a464239eea6 Mon Sep 17 00:00:00 2001
From: Christoph Fritz <chf.fritz@googlemail.com>
Date: Mon, 28 Nov 2011 23:49:33 +0100
Subject: [PATCH 1012/1594] efivars: add missing parameter to efi_pstore_read()

In the case where CONFIG_PSTORE=n, the function efi_pstore_read() doesn't
have the correct list of parameters. This patch provides a definition
of efi_pstore_read() with 'char **buf' added to fix this warning:
"drivers/firmware/efivars.c:609: warning: initialization from".

problem introduced in commit f6f8285132907757ef84ef8dae0a1244b8cde6ac

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 drivers/firmware/efivars.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index a54a6b972ced..b0a81173a268 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -581,7 +581,8 @@ static int efi_pstore_close(struct pstore_info *psi)
 }
 
 static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
-			       struct timespec *time, struct pstore_info *psi)
+			       struct timespec *timespec,
+			       char **buf, struct pstore_info *psi)
 {
 	return -1;
 }
-- 
GitLab


From e3420901eba65b1c46bed86d360e3a8685d20734 Mon Sep 17 00:00:00 2001
From: Matthieu CASTET <castet.matthieu@free.fr>
Date: Mon, 28 Nov 2011 11:30:22 +0100
Subject: [PATCH 1013/1594] EHCI : Fix a regression in the ISO scheduler

Fix a regression that was introduced by commit
811c926c538f7e8d3c08b630dd5844efd7e000f6 (USB: EHCI: fix HUB TT scheduling
issue with iso transfer).

We detect an error if next == start, but this means uframe 0 can't be allocated
anymore for iso transfer...

Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci-sched.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 56a32033adb3..a60679cbbf85 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1475,6 +1475,7 @@ iso_stream_schedule (
 	 * jump until after the queue is primed.
 	 */
 	else {
+		int done = 0;
 		start = SCHEDULE_SLOP + (now & ~0x07);
 
 		/* NOTE:  assumes URB_ISO_ASAP, to limit complexity/bugs */
@@ -1492,18 +1493,18 @@ iso_stream_schedule (
 			if (stream->highspeed) {
 				if (itd_slot_ok(ehci, mod, start,
 						stream->usecs, period))
-					break;
+					done = 1;
 			} else {
 				if ((start % 8) >= 6)
 					continue;
 				if (sitd_slot_ok(ehci, mod, stream,
 						start, sched, period))
-					break;
+					done = 1;
 			}
-		} while (start > next);
+		} while (start > next && !done);
 
 		/* no room in the schedule */
-		if (start == next) {
+		if (!done) {
 			ehci_dbg(ehci, "iso resched full %p (now %d max %d)\n",
 				urb, now, now + mod);
 			status = -ENOSPC;
-- 
GitLab


From 118205d6b6752e22e19b771771174e6426582311 Mon Sep 17 00:00:00 2001
From: Klaus Schwarzkopf <schwarzkopf@sensortherm.de>
Date: Mon, 28 Nov 2011 13:03:25 +0100
Subject: [PATCH 1014/1594] USB: linux-cdc-acm.inf: add support for the acm_ms
 gadget

Support for the acm_ms usb gadget on windows.

Signed-off-by: Klaus Schwarzkopf <schwarzkopf@sensortherm.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/usb/linux-cdc-acm.inf | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/usb/linux-cdc-acm.inf b/Documentation/usb/linux-cdc-acm.inf
index 37a02ce54841..f0ffc27d4c0a 100644
--- a/Documentation/usb/linux-cdc-acm.inf
+++ b/Documentation/usb/linux-cdc-acm.inf
@@ -90,10 +90,10 @@ ServiceBinary=%12%\USBSER.sys
 [SourceDisksFiles]
 [SourceDisksNames]
 [DeviceList]
-%DESCRIPTION%=DriverInstall, USB\VID_0525&PID_A4A7, USB\VID_1D6B&PID_0104&MI_02
+%DESCRIPTION%=DriverInstall, USB\VID_0525&PID_A4A7, USB\VID_1D6B&PID_0104&MI_02, USB\VID_1D6B&PID_0106&MI_00
 
 [DeviceList.NTamd64]
-%DESCRIPTION%=DriverInstall, USB\VID_0525&PID_A4A7, USB\VID_1D6B&PID_0104&MI_02
+%DESCRIPTION%=DriverInstall, USB\VID_0525&PID_A4A7, USB\VID_1D6B&PID_0104&MI_02, USB\VID_1D6B&PID_0106&MI_00
 
 
 ;------------------------------------------------------------------------------
-- 
GitLab


From fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Sun, 20 Nov 2011 15:35:32 +0000
Subject: [PATCH 1015/1594] xfs: validate acl count

This prevents in-memory corruption and possible panics if the on-disk
ACL is badly corrupted.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
---
 fs/xfs/xfs_acl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index b6c4b3795c4a..76e4266d2e7e 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -42,6 +42,8 @@ xfs_acl_from_disk(struct xfs_acl *aclp)
 	int count, i;
 
 	count = be32_to_cpu(aclp->acl_cnt);
+	if (count > XFS_ACL_MAX_ENTRIES)
+		return ERR_PTR(-EFSCORRUPTED);
 
 	acl = posix_acl_alloc(count, GFP_KERNEL);
 	if (!acl)
-- 
GitLab


From a5e5c37434eb182cf50cec90d9736d9a9a390116 Mon Sep 17 00:00:00 2001
From: Xi Wang <xi.wang@gmail.com>
Date: Tue, 22 Nov 2011 15:55:30 +0000
Subject: [PATCH 1016/1594] sctp: integer overflow in sctp_auth_create_key()

The previous commit 30c2235c is incomplete and cannot prevent integer
overflows. For example, when key_len is 0x80000000 (INT_MAX + 1), the
left-hand side of the check, (INT_MAX - key_len), which is unsigned,
becomes 0xffffffff (UINT_MAX) and bypasses the check.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-- 
GitLab


From ae7cc709f2ec11b49fc31b20cd8c943794ae9576 Mon Sep 17 00:00:00 2001
From: John F Leach <jfleach@jfleach.com>
Date: Mon, 28 Nov 2011 19:41:27 -0500
Subject: [PATCH 1017/1594] ALSA: usb-audio - Support for Roland GAIA SH-01
 Synthesizer

Added table quirks entry for Roland GAIA SH-01 Synthesizer based upon
Roland SH-201 table entry as template.  USB MIDI and audio was tested
with Muse and Audacity.

Signed-off-by: John F Leach <jfleach@jfleach.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/usb/quirks-table.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index b61945f3af9e..32d2a21f2e3b 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -1632,6 +1632,37 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		}
 	}
 },
+{
+	/* Roland GAIA SH-01 */
+	USB_DEVICE(0x0582, 0x0111),
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.vendor_name = "Roland",
+		.product_name = "GAIA",
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 0,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_MIDI_FIXED_ENDPOINT,
+				.data = &(const struct snd_usb_midi_endpoint_info) {
+				.out_cables = 0x0003,
+				.in_cables  = 0x0003
+				}
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
 {
 	USB_DEVICE(0x0582, 0x0113),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
-- 
GitLab


From 786228ab3095fe18dba3bc0d62055a123991d9d9 Mon Sep 17 00:00:00 2001
From: Marcos Paulo de Souza <marcos.mage@gmail.com>
Date: Wed, 23 Nov 2011 20:56:45 +0800
Subject: [PATCH 1018/1594] writeback: Fix issue on make htmldocs

Document the @reason parameter to make "make htmldocs" happy.

Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 fs/fs-writeback.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 73c3992b2bb4..ac86f8b3e3cb 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -156,6 +156,7 @@ __bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages,
  * bdi_start_writeback - start writeback
  * @bdi: the backing device to write from
  * @nr_pages: the number of pages to write
+ * @reason: reason why some writeback work was initiated
  *
  * Description:
  *   This does WB_SYNC_NONE opportunistic writeback. The IO is only
@@ -1223,6 +1224,7 @@ static void wait_sb_inodes(struct super_block *sb)
  * writeback_inodes_sb_nr -	writeback dirty inodes from given super_block
  * @sb: the superblock
  * @nr: the number of pages to write
+ * @reason: reason why some writeback work initiated
  *
  * Start writeback on some inodes on this super_block. No guarantees are made
  * on how many (if any) will be written, and this function does not wait
@@ -1251,6 +1253,7 @@ EXPORT_SYMBOL(writeback_inodes_sb_nr);
 /**
  * writeback_inodes_sb	-	writeback dirty inodes from given super_block
  * @sb: the superblock
+ * @reason: reason why some writeback work was initiated
  *
  * Start writeback on some inodes on this super_block. No guarantees are made
  * on how many (if any) will be written, and this function does not wait
@@ -1265,6 +1268,7 @@ EXPORT_SYMBOL(writeback_inodes_sb);
 /**
  * writeback_inodes_sb_if_idle	-	start writeback if none underway
  * @sb: the superblock
+ * @reason: reason why some writeback work was initiated
  *
  * Invoke writeback_inodes_sb if no writeback is currently underway.
  * Returns 1 if writeback was started, 0 if not.
@@ -1285,6 +1289,7 @@ EXPORT_SYMBOL(writeback_inodes_sb_if_idle);
  * writeback_inodes_sb_if_idle	-	start writeback if none underway
  * @sb: the superblock
  * @nr: the number of pages to write
+ * @reason: reason why some writeback work was initiated
  *
  * Invoke writeback_inodes_sb if no writeback is currently underway.
  * Returns 1 if writeback was started, 0 if not.
-- 
GitLab


From 58aa4ebe9c718f77f2003a9f815e070bdb4bff5e Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Wed, 16 Nov 2011 20:44:13 +0100
Subject: [PATCH 1019/1594] ARM: u300: update defconfig

This updates the U300 defconfig to support some new drivers like
FSMC, sets it to use the MMC clock gating scheme, and removes
some stale config options.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 arch/arm/configs/u300_defconfig | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/arch/arm/configs/u300_defconfig b/arch/arm/configs/u300_defconfig
index 4a5a12681be2..374000ec4e4e 100644
--- a/arch/arm/configs/u300_defconfig
+++ b/arch/arm/configs/u300_defconfig
@@ -14,8 +14,6 @@ CONFIG_MODULE_UNLOAD=y
 CONFIG_ARCH_U300=y
 CONFIG_MACH_U300=y
 CONFIG_MACH_U300_BS335=y
-CONFIG_MACH_U300_DUAL_RAM=y
-CONFIG_U300_DEBUG=y
 CONFIG_MACH_U300_SPIDUMMY=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
@@ -26,19 +24,21 @@ CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="root=/dev/ram0 rw rootfstype=rootfs console=ttyAMA0,115200n8 lpj=515072"
 CONFIG_CPU_IDLE=y
 CONFIG_FPE_NWFPE=y
-CONFIG_PM=y
 # CONFIG_SUSPEND is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_MISC_DEVICES is not set
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_FSMC=y
 # CONFIG_INPUT_MOUSEDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_KEYBOARD_ATKBD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
+CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_SERIAL_AMBA_PL011=y
 CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
-CONFIG_LEGACY_PTY_COUNT=16
 # CONFIG_HW_RANDOM is not set
 CONFIG_I2C=y
 # CONFIG_HWMON is not set
@@ -51,6 +51,7 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y
 # CONFIG_HID_SUPPORT is not set
 # CONFIG_USB_SUPPORT is not set
 CONFIG_MMC=y
+CONFIG_MMC_CLKGATE=y
 CONFIG_MMC_ARMMMCI=y
 CONFIG_RTC_CLASS=y
 # CONFIG_RTC_HCTOSYS is not set
@@ -65,10 +66,8 @@ CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_FS=y
-CONFIG_DEBUG_KERNEL=y
 # CONFIG_SCHED_DEBUG is not set
 CONFIG_TIMER_STATS=y
 # CONFIG_DEBUG_PREEMPT is not set
 CONFIG_DEBUG_INFO=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_CRC32 is not set
-- 
GitLab


From 6e2a587eb99267367409097b70cb2d61b09e5269 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Wed, 16 Nov 2011 20:30:35 +0100
Subject: [PATCH 1020/1594] ARM: ux500: update defconfig

This updates the Ux500 defconfig with the new drivers for HWSEM
and AB5500 core that were merged in the 3.2 cycle.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 arch/arm/configs/u8500_defconfig | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 97d31a4663da..2d7b6e7b7271 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -10,7 +10,7 @@ CONFIG_MODULE_UNLOAD=y
 CONFIG_ARCH_U8500=y
 CONFIG_UX500_SOC_DB5500=y
 CONFIG_UX500_SOC_DB8500=y
-CONFIG_MACH_U8500=y
+CONFIG_MACH_HREFV60=y
 CONFIG_MACH_SNOWBALL=y
 CONFIG_MACH_U5500=y
 CONFIG_NO_HZ=y
@@ -24,6 +24,7 @@ CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_VFP=y
 CONFIG_NEON=y
+CONFIG_PM_RUNTIME=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -41,11 +42,8 @@ CONFIG_MISC_DEVICES=y
 CONFIG_AB8500_PWM=y
 CONFIG_SENSORS_BH1780=y
 CONFIG_NETDEVICES=y
-CONFIG_SMSC_PHY=y
-CONFIG_NET_ETHERNET=y
 CONFIG_SMSC911X=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
+CONFIG_SMSC_PHY=y
 # CONFIG_WLAN is not set
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 CONFIG_INPUT_EVDEV=y
@@ -72,15 +70,12 @@ CONFIG_SPI=y
 CONFIG_SPI_PL022=y
 CONFIG_GPIO_STMPE=y
 CONFIG_GPIO_TC3589X=y
-# CONFIG_HWMON is not set
 CONFIG_MFD_STMPE=y
 CONFIG_MFD_TC3589X=y
+CONFIG_AB5500_CORE=y
 CONFIG_AB8500_CORE=y
 CONFIG_REGULATOR_AB8500=y
 # CONFIG_HID_SUPPORT is not set
-CONFIG_USB_MUSB_HDRC=y
-CONFIG_USB_GADGET_MUSB_HDRC=y
-CONFIG_MUSB_PIO_ONLY=y
 CONFIG_USB_GADGET=y
 CONFIG_AB8500_USB=y
 CONFIG_MMC=y
@@ -97,6 +92,7 @@ CONFIG_DMADEVICES=y
 CONFIG_STE_DMA40=y
 CONFIG_STAGING=y
 CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=y
+CONFIG_HSEM_U8500=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y
-- 
GitLab


From 4f718a29fe4908c2cea782f751e9805319684e2b Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Mon, 28 Nov 2011 09:44:14 +0100
Subject: [PATCH 1021/1594] firmware: Sigma: Prevent out of bounds memory
 access

The SigmaDSP firmware loader currently does not perform enough boundary size
checks when processing the firmware. As a result it is possible that a
malformed firmware can cause an out of bounds memory access.

This patch adds checks which ensure that both the action header and the payload
are completely inside the firmware data boundaries before processing them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 drivers/firmware/sigma.c | 76 +++++++++++++++++++++++++++++-----------
 include/linux/sigma.h    |  5 ---
 2 files changed, 55 insertions(+), 26 deletions(-)

diff --git a/drivers/firmware/sigma.c b/drivers/firmware/sigma.c
index f10fc521951b..c780baa59ed9 100644
--- a/drivers/firmware/sigma.c
+++ b/drivers/firmware/sigma.c
@@ -14,13 +14,34 @@
 #include <linux/module.h>
 #include <linux/sigma.h>
 
-/* Return: 0==OK, <0==error, =1 ==no more actions */
+static size_t sigma_action_size(struct sigma_action *sa)
+{
+	size_t payload = 0;
+
+	switch (sa->instr) {
+	case SIGMA_ACTION_WRITEXBYTES:
+	case SIGMA_ACTION_WRITESINGLE:
+	case SIGMA_ACTION_WRITESAFELOAD:
+		payload = sigma_action_len(sa);
+		break;
+	default:
+		break;
+	}
+
+	payload = ALIGN(payload, 2);
+
+	return payload + sizeof(struct sigma_action);
+}
+
+/*
+ * Returns a negative error value in case of an error, 0 if processing of
+ * the firmware should be stopped after this action, 1 otherwise.
+ */
 static int
-process_sigma_action(struct i2c_client *client, struct sigma_firmware *ssfw)
+process_sigma_action(struct i2c_client *client, struct sigma_action *sa)
 {
-	struct sigma_action *sa = (void *)(ssfw->fw->data + ssfw->pos);
 	size_t len = sigma_action_len(sa);
-	int ret = 0;
+	int ret;
 
 	pr_debug("%s: instr:%i addr:%#x len:%zu\n", __func__,
 		sa->instr, sa->addr, len);
@@ -29,44 +50,50 @@ process_sigma_action(struct i2c_client *client, struct sigma_firmware *ssfw)
 	case SIGMA_ACTION_WRITEXBYTES:
 	case SIGMA_ACTION_WRITESINGLE:
 	case SIGMA_ACTION_WRITESAFELOAD:
-		if (ssfw->fw->size < ssfw->pos + len)
-			return -EINVAL;
 		ret = i2c_master_send(client, (void *)&sa->addr, len);
 		if (ret < 0)
 			return -EINVAL;
 		break;
-
 	case SIGMA_ACTION_DELAY:
-		ret = 0;
 		udelay(len);
 		len = 0;
 		break;
-
 	case SIGMA_ACTION_END:
-		return 1;
-
+		return 0;
 	default:
 		return -EINVAL;
 	}
 
-	/* when arrive here ret=0 or sent data */
-	ssfw->pos += sigma_action_size(sa, len);
-	return ssfw->pos == ssfw->fw->size;
+	return 1;
 }
 
 static int
 process_sigma_actions(struct i2c_client *client, struct sigma_firmware *ssfw)
 {
-	pr_debug("%s: processing %p\n", __func__, ssfw);
+	struct sigma_action *sa;
+	size_t size;
+	int ret;
+
+	while (ssfw->pos + sizeof(*sa) <= ssfw->fw->size) {
+		sa = (struct sigma_action *)(ssfw->fw->data + ssfw->pos);
+
+		size = sigma_action_size(sa);
+		ssfw->pos += size;
+		if (ssfw->pos > ssfw->fw->size || size == 0)
+			break;
+
+		ret = process_sigma_action(client, sa);
 
-	while (1) {
-		int ret = process_sigma_action(client, ssfw);
 		pr_debug("%s: action returned %i\n", __func__, ret);
-		if (ret == 1)
-			return 0;
-		else if (ret)
+
+		if (ret <= 0)
 			return ret;
 	}
+
+	if (ssfw->pos != ssfw->fw->size)
+		return -EINVAL;
+
+	return 0;
 }
 
 int process_sigma_firmware(struct i2c_client *client, const char *name)
@@ -89,7 +116,14 @@ int process_sigma_firmware(struct i2c_client *client, const char *name)
 
 	/* then verify the header */
 	ret = -EINVAL;
-	if (fw->size < sizeof(*ssfw_head))
+
+	/*
+	 * Reject too small or unreasonable large files. The upper limit has been
+	 * chosen a bit arbitrarily, but it should be enough for all practical
+	 * purposes and having the limit makes it easier to avoid integer
+	 * overflows later in the loading process.
+	 */
+	if (fw->size < sizeof(*ssfw_head) || fw->size >= 0x4000000)
 		goto done;
 
 	ssfw_head = (void *)fw->data;
diff --git a/include/linux/sigma.h b/include/linux/sigma.h
index e2accb3164d8..9a138c2946bb 100644
--- a/include/linux/sigma.h
+++ b/include/linux/sigma.h
@@ -50,11 +50,6 @@ static inline u32 sigma_action_len(struct sigma_action *sa)
 	return (sa->len_hi << 16) | sa->len;
 }
 
-static inline size_t sigma_action_size(struct sigma_action *sa, u32 payload_len)
-{
-	return sizeof(*sa) + payload_len + (payload_len % 2);
-}
-
 extern int process_sigma_firmware(struct i2c_client *client, const char *name);
 
 #endif
-- 
GitLab


From c56935bdc0a8edf50237d3b0205133a5b0adc604 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Mon, 28 Nov 2011 09:44:15 +0100
Subject: [PATCH 1022/1594] firmware: Sigma: Skip header during CRC generation

The firmware header is not part of the CRC, so skip it. Otherwise the firmware
will be rejected due to non-matching CRCs.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 drivers/firmware/sigma.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/sigma.c b/drivers/firmware/sigma.c
index c780baa59ed9..36265de0a9e8 100644
--- a/drivers/firmware/sigma.c
+++ b/drivers/firmware/sigma.c
@@ -130,7 +130,8 @@ int process_sigma_firmware(struct i2c_client *client, const char *name)
 	if (memcmp(ssfw_head->magic, SIGMA_MAGIC, ARRAY_SIZE(ssfw_head->magic)))
 		goto done;
 
-	crc = crc32(0, fw->data, fw->size);
+	crc = crc32(0, fw->data + sizeof(*ssfw_head),
+			fw->size - sizeof(*ssfw_head));
 	pr_debug("%s: crc=%x\n", __func__, crc);
 	if (crc != ssfw_head->crc)
 		goto done;
-- 
GitLab


From bda63586bc5929e97288cdb371bb6456504867ed Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Mon, 28 Nov 2011 09:44:16 +0100
Subject: [PATCH 1023/1594] firmware: Sigma: Fix endianess issues

Currently the SigmaDSP firmware loader only works correctly on little-endian
systems. Fix this by using the proper endianess conversion functions.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 drivers/firmware/sigma.c | 2 +-
 include/linux/sigma.h    | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/firmware/sigma.c b/drivers/firmware/sigma.c
index 36265de0a9e8..1eedb6f7fdab 100644
--- a/drivers/firmware/sigma.c
+++ b/drivers/firmware/sigma.c
@@ -133,7 +133,7 @@ int process_sigma_firmware(struct i2c_client *client, const char *name)
 	crc = crc32(0, fw->data + sizeof(*ssfw_head),
 			fw->size - sizeof(*ssfw_head));
 	pr_debug("%s: crc=%x\n", __func__, crc);
-	if (crc != ssfw_head->crc)
+	if (crc != le32_to_cpu(ssfw_head->crc))
 		goto done;
 
 	ssfw.pos = sizeof(*ssfw_head);
diff --git a/include/linux/sigma.h b/include/linux/sigma.h
index 9a138c2946bb..d0de882c0d96 100644
--- a/include/linux/sigma.h
+++ b/include/linux/sigma.h
@@ -24,7 +24,7 @@ struct sigma_firmware {
 struct sigma_firmware_header {
 	unsigned char magic[7];
 	u8 version;
-	u32 crc;
+	__le32 crc;
 };
 
 enum {
@@ -40,14 +40,14 @@ enum {
 struct sigma_action {
 	u8 instr;
 	u8 len_hi;
-	u16 len;
-	u16 addr;
+	__le16 len;
+	__be16 addr;
 	unsigned char payload[];
 };
 
 static inline u32 sigma_action_len(struct sigma_action *sa)
 {
-	return (sa->len_hi << 16) | sa->len;
+	return (sa->len_hi << 16) | le16_to_cpu(sa->len);
 }
 
 extern int process_sigma_firmware(struct i2c_client *client, const char *name);
-- 
GitLab


From 542c9a0a2fa351149c4a3467589a54cafcf0a1dd Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 29 Nov 2011 13:01:30 +0100
Subject: [PATCH 1024/1594] ALSA: hda - Avoid touching mute-VREF pin for IDT
 codecs

Some HP laptops use a pin VREF for controlling the mute LED, and such a
pin shouldn't be powered off.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index f3658658548e..f4f4ebeed9ea 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4441,7 +4441,9 @@ static int stac92xx_init(struct hda_codec *codec)
 		int pinctl, def_conf;
 
 		/* power on when no jack detection is available */
-		if (!spec->hp_detect) {
+		/* or when the VREF is used for controlling LED */
+		if (!spec->hp_detect ||
+		    (spec->gpio_led > 8 && spec->gpio_led == nid)) {
 			stac_toggle_power_map(codec, nid, 1);
 			continue;
 		}
-- 
GitLab


From 4f8b6c7dc80ac9619db033c7f6fc355eab9514f5 Mon Sep 17 00:00:00 2001
From: Marc Vertes <marc.vertes@sigfox.com>
Date: Tue, 29 Nov 2011 12:21:17 +0100
Subject: [PATCH 1025/1594] ALSA: hda_intel - revert a quirk that affect VIA
 chipsets

This quirk sould be reverted. It has the following probems:

1) The quirk was intended to "ASUS MV2-MX SE" motherboards only, but the
ID used matches a much broader range, potentially all boards containing a
VIA chipset model in the family of vendor VIA 0x1106 and audio device ID
0x3288, which encompasses VIA-VT82xx, VIA-VT1xx and VIA-VT20xx chipsets.

2) VIA chipsets rely on azx_via_get_position() to handle correctly dma
transfers during capture. Using POS_FIX_LPIB instead of POS_FIX_VIACOMBO
leads to partially corrupted input buffers during capture. The effects
of this bug are not immediately visible, it took strong DSP expertise,
some expensive signal generator and a spectrum analyzer to identify it
and verify correct behaviour using original default.

3) It's almost certain that the quirk did not fix the real problem,
if there was one. Refer to original submission:
http://mailman.alsa-project.org/pipermail/alsa-devel/2010-February/025109.html

Signed-of-by: Marc Vertes <mvertes@sigfox.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 096507d2ca9a..7d98240def0b 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2508,7 +2508,6 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
-	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
-- 
GitLab


From 5d193ce8f1fa7c67c7fd7be2c03ef31eed344a4f Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@ti.com>
Date: Tue, 22 Nov 2011 17:18:24 -0800
Subject: [PATCH 1026/1594] usb: musb: PM: fix context save/restore in
 suspend/resume path

Currently the driver tries to save context in the suspend path, but
will cause an abort if the device is already runtime suspended.  This
happens, for example, if MUSB loaded/compiled-in, in host mode, but no
USB devices are attached.  MUSB will be runtime suspended, but then
attempting a system suspend will crash due to the context save
being attempted while the device is disabled.

On OMAP, as of v3.1, the driver's ->runtime_suspend() callback will be
called late in the suspend path (by the PM domain layer) if the driver
is not already runtime suspended, ensuring a full shutdown.

Therefore, the context save is not needed in the ->suspend() method
since it will be called in the ->runtime_suspend() method anyways
(similarily for resume.)

NOTE: this leaves the suspend/resume methods basically empty (with
      some FIXMEs and comments, but I'll leave it to the maintainers
      to decide whether to remove them.

Cc: stable@vger.kernel.org
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musb_core.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index c1fa12ec7a9a..b63ab1570103 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2301,18 +2301,12 @@ static int musb_suspend(struct device *dev)
 		 */
 	}
 
-	musb_save_context(musb);
-
 	spin_unlock_irqrestore(&musb->lock, flags);
 	return 0;
 }
 
 static int musb_resume_noirq(struct device *dev)
 {
-	struct musb	*musb = dev_to_musb(dev);
-
-	musb_restore_context(musb);
-
 	/* for static cmos like DaVinci, register values were preserved
 	 * unless for some reason the whole soc powered down or the USB
 	 * module got reset through the PSC (vs just being disabled).
-- 
GitLab


From f8eff0a06116aee127152674e9ea9c51aecf6b69 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 17 Nov 2011 18:19:06 -0800
Subject: [PATCH 1027/1594] usb: renesas_usbhs: fixup device_register timing

current renesas_usbhs is using new style udc_start/stop from
af1d7056a5c1e5eaaf807ddd1423101db84668d0
(usb: gadget: renesas: convert to new style).

But bind() function will fail if it was called before
device_register() (or device_add()).
This patch modifies this issue.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/mod_gadget.c | 37 ++++++++------------------
 1 file changed, 11 insertions(+), 26 deletions(-)

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index d9717e0bc1ff..ef82274ce70b 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -751,53 +751,31 @@ static int usbhsg_gadget_start(struct usb_gadget *gadget,
 		struct usb_gadget_driver *driver)
 {
 	struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
-	struct usbhs_priv *priv;
-	struct device *dev;
-	int ret;
+	struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
 
 	if (!driver		||
 	    !driver->setup	||
 	    driver->speed != USB_SPEED_HIGH)
 		return -EINVAL;
 
-	dev  = usbhsg_gpriv_to_dev(gpriv);
-	priv = usbhsg_gpriv_to_priv(gpriv);
-
 	/* first hook up the driver ... */
 	gpriv->driver = driver;
 	gpriv->gadget.dev.driver = &driver->driver;
 
-	ret = device_add(&gpriv->gadget.dev);
-	if (ret) {
-		dev_err(dev, "device_add error %d\n", ret);
-		goto add_fail;
-	}
-
 	return usbhsg_try_start(priv, USBHSG_STATUS_REGISTERD);
-
-add_fail:
-	gpriv->driver = NULL;
-	gpriv->gadget.dev.driver = NULL;
-
-	return ret;
 }
 
 static int usbhsg_gadget_stop(struct usb_gadget *gadget,
 		struct usb_gadget_driver *driver)
 {
 	struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
-	struct usbhs_priv *priv;
-	struct device *dev;
+	struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
 
 	if (!driver		||
 	    !driver->unbind)
 		return -EINVAL;
 
-	dev  = usbhsg_gpriv_to_dev(gpriv);
-	priv = usbhsg_gpriv_to_priv(gpriv);
-
 	usbhsg_try_stop(priv, USBHSG_STATUS_REGISTERD);
-	device_del(&gpriv->gadget.dev);
 	gpriv->driver = NULL;
 
 	return 0;
@@ -876,12 +854,14 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 	/*
 	 * init gadget
 	 */
-	device_initialize(&gpriv->gadget.dev);
 	dev_set_name(&gpriv->gadget.dev, "gadget");
 	gpriv->gadget.dev.parent	= dev;
 	gpriv->gadget.name		= "renesas_usbhs_udc";
 	gpriv->gadget.ops		= &usbhsg_gadget_ops;
 	gpriv->gadget.is_dualspeed	= 1;
+	ret = device_register(&gpriv->gadget.dev);
+	if (ret < 0)
+		goto err_add_udc;
 
 	INIT_LIST_HEAD(&gpriv->gadget.ep_list);
 
@@ -912,12 +892,15 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 
 	ret = usb_add_gadget_udc(dev, &gpriv->gadget);
 	if (ret)
-		goto err_add_udc;
+		goto err_register;
 
 
 	dev_info(dev, "gadget probed\n");
 
 	return 0;
+
+err_register:
+	device_unregister(&gpriv->gadget.dev);
 err_add_udc:
 	kfree(gpriv->uep);
 
@@ -933,6 +916,8 @@ void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
 
 	usb_del_gadget_udc(&gpriv->gadget);
 
+	device_unregister(&gpriv->gadget.dev);
+
 	usbhsg_controller_unregister(gpriv);
 
 	kfree(gpriv->uep);
-- 
GitLab


From 8885a897c26b2f63e1bbb6fa7bd9da3a73a09113 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 17 Nov 2011 18:19:38 -0800
Subject: [PATCH 1028/1594] usb: renesas_usbhs: fixup signal the driver that
 cable was disconnected

current renesas_usbhs is using new style udc_start/stop from
af1d7056a5c1e5eaaf807ddd1423101db84668d0
(usb: gadget: renesas: convert to new style).

cable disconnected signal was needed.
This patch fixup it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/mod_gadget.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index ef82274ce70b..f4b032ed326a 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -805,6 +805,13 @@ static int usbhsg_start(struct usbhs_priv *priv)
 
 static int usbhsg_stop(struct usbhs_priv *priv)
 {
+	struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
+
+	/* cable disconnect */
+	if (gpriv->driver &&
+	    gpriv->driver->disconnect)
+		gpriv->driver->disconnect(&gpriv->gadget);
+
 	return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED);
 }
 
-- 
GitLab


From 0cdd7d4b66aa740ce62aeeaf7fbd495130c2864f Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 17 Nov 2011 18:19:56 -0800
Subject: [PATCH 1029/1594] usb: renesas_usbhs: fixup gadget.dev.driver when
 udc_stop.

current renesas_usbhs is using new style udc_start/stop from
af1d7056a5c1e5eaaf807ddd1423101db84668d0
(usb: gadget: renesas: convert to new style).

But current renesas_usbhs driver didn't care about gadget.dev.driver
when udc_stop. it cause rmmod oops.
This patch care it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/mod_gadget.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index f4b032ed326a..2be73817e47f 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -776,6 +776,7 @@ static int usbhsg_gadget_stop(struct usb_gadget *gadget,
 		return -EINVAL;
 
 	usbhsg_try_stop(priv, USBHSG_STATUS_REGISTERD);
+	gpriv->gadget.dev.driver = NULL;
 	gpriv->driver = NULL;
 
 	return 0;
-- 
GitLab


From 89f829a50f7d0d0f3a15c482a7a65dd0b133a5f5 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 17 Nov 2011 18:20:44 -0800
Subject: [PATCH 1030/1594] usb: renesas_usbhs: fixup driver speed

This patch cares latest USB_SPEED_SUPER support.
renesas_usbhs can not use super-speed, but can use full/high speed.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/mod_gadget.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 2be73817e47f..7f4e80338570 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -755,7 +755,7 @@ static int usbhsg_gadget_start(struct usb_gadget *gadget,
 
 	if (!driver		||
 	    !driver->setup	||
-	    driver->speed != USB_SPEED_HIGH)
+	    driver->speed < USB_SPEED_FULL)
 		return -EINVAL;
 
 	/* first hook up the driver ... */
-- 
GitLab


From fef6964452abae55c82e1615ac505b8377df00e9 Mon Sep 17 00:00:00 2001
From: Robert Jarzmik <robert.jarzmik@free.fr>
Date: Fri, 18 Nov 2011 20:16:27 +0100
Subject: [PATCH 1031/1594] usb: gadget: fix g_serial regression

Commit "usb: gadget: use config_ep_by_speed() instead of
ep_choose()" broke g_serial in "non ACM nor OBEX"
mode. Apply a trivial fix on usb endpoints discovery.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/f_serial.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/f_serial.c b/drivers/usb/gadget/f_serial.c
index 91fdf790ed20..cf33a8d0fd5d 100644
--- a/drivers/usb/gadget/f_serial.c
+++ b/drivers/usb/gadget/f_serial.c
@@ -131,8 +131,8 @@ static int gser_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 	}
 	if (!gser->port.in->desc || !gser->port.out->desc) {
 		DBG(cdev, "activate generic ttyGS%d\n", gser->port_num);
-		if (!config_ep_by_speed(cdev->gadget, f, gser->port.in) ||
-		    !config_ep_by_speed(cdev->gadget, f, gser->port.out)) {
+		if (config_ep_by_speed(cdev->gadget, f, gser->port.in) ||
+		    config_ep_by_speed(cdev->gadget, f, gser->port.out)) {
 			gser->port.in->desc = NULL;
 			gser->port.out->desc = NULL;
 			return -EINVAL;
-- 
GitLab


From bfe0658b402dab3d6fbef4b7bd81a46d0e68eb86 Mon Sep 17 00:00:00 2001
From: Michal Nazarewicz <mina86@mina86.com>
Date: Sat, 19 Nov 2011 18:26:25 +0100
Subject: [PATCH 1032/1594] usb: udc: Fix gadget driver's speed check in
 various UDC drivers

Several UDC drivers had a gadget driver's speed sanity check of the
form of:

	driver->speed != USB_SPEED_HIGH

or:

	driver->speed != USB_SPEED_HIGH && driver->speed != USB_SPEED_FULL

As more and more gadget drivers support USB SuperSpeed, driver->speed
may be set to USB_SPEED_SUPER and UDC driver should handle such gadget
correctly.  The above checks however fail to recognise USB_SPEED_SUPER
as a valid speed.

This commit changes the two checks to:

	driver->speed < USB_SPEED_HIGH

or:

	driver->speed < USB_SPEED_FULL

respectively.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/amd5536udc.c   | 2 +-
 drivers/usb/gadget/fsl_qe_udc.c   | 3 +--
 drivers/usb/gadget/fsl_udc_core.c | 3 +--
 drivers/usb/gadget/m66592-udc.c   | 2 +-
 drivers/usb/gadget/net2280.c      | 2 +-
 drivers/usb/gadget/r8a66597-udc.c | 2 +-
 drivers/usb/gadget/s3c-hsotg.c    | 4 +---
 drivers/usb/gadget/s3c-hsudc.c    | 3 +--
 drivers/usb/musb/musb_gadget.c    | 2 +-
 9 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index 4730016d7cd4..45f422ac103f 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -1959,7 +1959,7 @@ static int amd5536_start(struct usb_gadget_driver *driver,
 	u32 tmp;
 
 	if (!driver || !bind || !driver->setup
-			|| driver->speed != USB_SPEED_HIGH)
+			|| driver->speed < USB_SPEED_HIGH)
 		return -EINVAL;
 	if (!dev)
 		return -ENODEV;
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 2a03e4de11c1..e00cf92409ce 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2336,8 +2336,7 @@ static int fsl_qe_start(struct usb_gadget_driver *driver,
 	if (!udc_controller)
 		return -ENODEV;
 
-	if (!driver || (driver->speed != USB_SPEED_FULL
-			&& driver->speed != USB_SPEED_HIGH)
+	if (!driver || driver->speed < USB_SPEED_FULL
 			|| !bind || !driver->disconnect || !driver->setup)
 		return -EINVAL;
 
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index b3b3d83b7c33..1482b12db81d 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1938,8 +1938,7 @@ static int fsl_start(struct usb_gadget_driver *driver,
 	if (!udc_controller)
 		return -ENODEV;
 
-	if (!driver || (driver->speed != USB_SPEED_FULL
-				&& driver->speed != USB_SPEED_HIGH)
+	if (!driver || driver->speed < USB_SPEED_FULL
 			|| !bind || !driver->disconnect || !driver->setup)
 		return -EINVAL;
 
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 91d0af2a24a8..9aa1cbbee45b 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -1472,7 +1472,7 @@ static int m66592_start(struct usb_gadget_driver *driver,
 	int retval;
 
 	if (!driver
-			|| driver->speed != USB_SPEED_HIGH
+			|| driver->speed < USB_SPEED_HIGH
 			|| !bind
 			|| !driver->setup)
 		return -EINVAL;
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 7f1bc9a73cda..da2b9d0be3ca 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -1881,7 +1881,7 @@ static int net2280_start(struct usb_gadget *_gadget,
 	 * (dev->usb->xcvrdiag & FORCE_FULL_SPEED_MODE)
 	 * "must not be used in normal operation"
 	 */
-	if (!driver || driver->speed != USB_SPEED_HIGH
+	if (!driver || driver->speed < USB_SPEED_HIGH
 			|| !driver->setup)
 		return -EINVAL;
 
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 24f84b210ce1..fc719a3f8557 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1746,7 +1746,7 @@ static int r8a66597_start(struct usb_gadget *gadget,
 	struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
 
 	if (!driver
-			|| driver->speed != USB_SPEED_HIGH
+			|| driver->speed < USB_SPEED_HIGH
 			|| !driver->setup)
 		return -EINVAL;
 	if (!r8a66597)
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index a552453dc946..b31448229f0b 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2586,10 +2586,8 @@ static int s3c_hsotg_start(struct usb_gadget_driver *driver,
 		return -EINVAL;
 	}
 
-	if (driver->speed != USB_SPEED_HIGH &&
-	    driver->speed != USB_SPEED_FULL) {
+	if (driver->speed < USB_SPEED_FULL)
 		dev_err(hsotg->dev, "%s: bad speed\n", __func__);
-	}
 
 	if (!bind || !driver->setup) {
 		dev_err(hsotg->dev, "%s: missing entry points\n", __func__);
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index 8d54f893cefe..20a553b46aed 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -1142,8 +1142,7 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver,
 	int ret;
 
 	if (!driver
-		|| (driver->speed != USB_SPEED_FULL &&
-			driver->speed != USB_SPEED_HIGH)
+		|| driver->speed < USB_SPEED_FULL
 		|| !bind
 		|| !driver->unbind || !driver->disconnect || !driver->setup)
 		return -EINVAL;
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index d51043acfe1a..922148ff8d29 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1903,7 +1903,7 @@ static int musb_gadget_start(struct usb_gadget *g,
 	unsigned long		flags;
 	int			retval = -EINVAL;
 
-	if (driver->speed != USB_SPEED_HIGH)
+	if (driver->speed < USB_SPEED_HIGH)
 		goto err0;
 
 	pm_runtime_get_sync(musb->controller);
-- 
GitLab


From 7c91d908f5af027ed14b3d103331f91f386c1043 Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@freescale.com>
Date: Tue, 22 Nov 2011 09:55:45 +0800
Subject: [PATCH 1033/1594] USB: fsl_udc_core: use usb_endpoint_xfer_isoc to
 judge ISO XFER

Some ISO gadgets, like audio, has SYNC attribute as well as
USB_ENDPOINT_XFER_ISOC for their bmAttributes at ISO endpoint
descriptor. So, it needs to use usb_endpoint_xfer_isoc to judge
ISO XFER.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_udc_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 1482b12db81d..bf1cd6e55ed9 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -877,7 +877,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 		VDBG("%s, bad ep", __func__);
 		return -EINVAL;
 	}
-	if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
+	if (usb_endpoint_xfer_isoc(ep->desc)) {
 		if (req->req.length > ep->ep.maxpacket)
 			return -EMSGSIZE;
 	}
@@ -1032,7 +1032,7 @@ static int fsl_ep_set_halt(struct usb_ep *_ep, int value)
 		goto out;
 	}
 
-	if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
+	if (usb_endpoint_xfer_isoc(ep->desc)) {
 		status = -EOPNOTSUPP;
 		goto out;
 	}
-- 
GitLab


From 65cd5c4d03563f7118c2e83b7a50928e461cbc1e Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Tue, 22 Nov 2011 13:48:28 -0200
Subject: [PATCH 1034/1594] usb: fsl_mxc_udc.c: Fix build issue by including
 missing header file

Fix the following build error:

CC [M]  drivers/usb/gadget/fsl_mxc_udc.o
drivers/usb/gadget/fsl_mxc_udc.c: In function 'fsl_udc_clk_finalize':
drivers/usb/gadget/fsl_mxc_udc.c:98: error: implicit declaration of function 'readl'
drivers/usb/gadget/fsl_mxc_udc.c:100: error: implicit declaration of function 'writel'

This error is caused by the follwing commit:
(16fcb63: arm/imx: remove mx31_setup_weimcs( ) from mx31.h)

,which removed '#include <linux/io.h>' from mx31.h.

fsl_mxc_udc.c includes <mach/hardware.h>, which in turns includes mx31.h, so
that's the reason fsl_mxc_udc.c built fine previously.

Instead of relying on the indirect inclusion of the linux/io.h header file,
include it directly in fsl_mxc_udc.c.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_mxc_udc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c
index 43a49ecc1f36..23eaecfa3ed3 100644
--- a/drivers/usb/gadget/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/fsl_mxc_udc.c
@@ -16,6 +16,7 @@
 #include <linux/err.h>
 #include <linux/fsl_devices.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 
-- 
GitLab


From 5ce1d0eb1cd1071347618d0a95515f300239d201 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Tue, 22 Nov 2011 13:48:29 -0200
Subject: [PATCH 1035/1594] usb: fsl_mxc_udc.c: Remove compile-time dependency
 of MX35 SoC type

In order to support multiple SoC kernel image, compile-time dependency
on a specific SoC type should be avoided.

fsl_udc_clk_finalize is already protected by cpu_is_mx35(), so remove
the compile-time check for CONFIG_SOC_IMX35.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_mxc_udc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c
index 23eaecfa3ed3..dcbc0a2e48dd 100644
--- a/drivers/usb/gadget/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/fsl_mxc_udc.c
@@ -89,7 +89,6 @@ eenahb:
 void fsl_udc_clk_finalize(struct platform_device *pdev)
 {
 	struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
-#if defined(CONFIG_SOC_IMX35)
 	if (cpu_is_mx35()) {
 		unsigned int v;
 
@@ -102,7 +101,6 @@ void fsl_udc_clk_finalize(struct platform_device *pdev)
 					USBPHYCTRL_OTGBASE_OFFSET));
 		}
 	}
-#endif
 
 	/* ULPI transceivers don't need usbpll */
 	if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {
-- 
GitLab


From 6414e94c203d92b163ca61b5f51a25b80a621dbe Mon Sep 17 00:00:00 2001
From: Li Yang <leoli@freescale.com>
Date: Wed, 23 Nov 2011 20:12:56 +0800
Subject: [PATCH 1036/1594] usb: gadget: fsl_udc: fix dequeuing a request in
 progress

The original implementation of dequeuing a request in progress
is not correct.  Change to use a correct process and also clean
up the related functions a little bit.

Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_udc_core.c | 68 +++++++++++++++----------------
 drivers/usb/gadget/fsl_usb2_udc.h | 10 +++++
 2 files changed, 42 insertions(+), 36 deletions(-)

diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index bf1cd6e55ed9..dd28ef3def71 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -696,12 +696,31 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req)
 		kfree(req);
 }
 
-/*-------------------------------------------------------------------------*/
+/* Actually add a dTD chain to an empty dQH and let go */
+static void fsl_prime_ep(struct fsl_ep *ep, struct ep_td_struct *td)
+{
+	struct ep_queue_head *qh = get_qh_by_ep(ep);
+
+	/* Write dQH next pointer and terminate bit to 0 */
+	qh->next_dtd_ptr = cpu_to_hc32(td->td_dma
+			& EP_QUEUE_HEAD_NEXT_POINTER_MASK);
+
+	/* Clear active and halt bit */
+	qh->size_ioc_int_sts &= cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE
+					| EP_QUEUE_HEAD_STATUS_HALT));
+
+	/* Ensure that updates to the QH will occur before priming. */
+	wmb();
+
+	/* Prime endpoint by writing correct bit to ENDPTPRIME */
+	fsl_writel(ep_is_in(ep) ? (1 << (ep_index(ep) + 16))
+			: (1 << (ep_index(ep))), &dr_regs->endpointprime);
+}
+
+/* Add dTD chain to the dQH of an EP */
 static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 {
-	int i = ep_index(ep) * 2 + ep_is_in(ep);
 	u32 temp, bitmask, tmp_stat;
-	struct ep_queue_head *dQH = &ep->udc->ep_qh[i];
 
 	/* VDBG("QH addr Register 0x%8x", dr_regs->endpointlistaddr);
 	VDBG("ep_qh[%d] addr is 0x%8x", i, (u32)&(ep->udc->ep_qh[i])); */
@@ -719,7 +738,7 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 			cpu_to_hc32(req->head->td_dma & DTD_ADDR_MASK);
 		/* Read prime bit, if 1 goto done */
 		if (fsl_readl(&dr_regs->endpointprime) & bitmask)
-			goto out;
+			return;
 
 		do {
 			/* Set ATDTW bit in USBCMD */
@@ -736,28 +755,10 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 		fsl_writel(temp & ~USB_CMD_ATDTW, &dr_regs->usbcmd);
 
 		if (tmp_stat)
-			goto out;
+			return;
 	}
 
-	/* Write dQH next pointer and terminate bit to 0 */
-	temp = req->head->td_dma & EP_QUEUE_HEAD_NEXT_POINTER_MASK;
-	dQH->next_dtd_ptr = cpu_to_hc32(temp);
-
-	/* Clear active and halt bit */
-	temp = cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE
-			| EP_QUEUE_HEAD_STATUS_HALT));
-	dQH->size_ioc_int_sts &= temp;
-
-	/* Ensure that updates to the QH will occur before priming. */
-	wmb();
-
-	/* Prime endpoint by writing 1 to ENDPTPRIME */
-	temp = ep_is_in(ep)
-		? (1 << (ep_index(ep) + 16))
-		: (1 << (ep_index(ep)));
-	fsl_writel(temp, &dr_regs->endpointprime);
-out:
-	return;
+	fsl_prime_ep(ep, req->head);
 }
 
 /* Fill in the dTD structure
@@ -973,25 +974,20 @@ static int fsl_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
 
 		/* The request isn't the last request in this ep queue */
 		if (req->queue.next != &ep->queue) {
-			struct ep_queue_head *qh;
 			struct fsl_req *next_req;
 
-			qh = ep->qh;
 			next_req = list_entry(req->queue.next, struct fsl_req,
 					queue);
 
-			/* Point the QH to the first TD of next request */
-			fsl_writel((u32) next_req->head, &qh->curr_dtd_ptr);
+			/* prime with dTD of next request */
+			fsl_prime_ep(ep, next_req->head);
 		}
-
-		/* The request hasn't been processed, patch up the TD chain */
+	/* The request hasn't been processed, patch up the TD chain */
 	} else {
 		struct fsl_req *prev_req;
 
 		prev_req = list_entry(req->queue.prev, struct fsl_req, queue);
-		fsl_writel(fsl_readl(&req->tail->next_td_ptr),
-				&prev_req->tail->next_td_ptr);
-
+		prev_req->tail->next_td_ptr = req->tail->next_td_ptr;
 	}
 
 	done(ep, req, -ECONNRESET);
@@ -1068,7 +1064,7 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
 	struct fsl_udc *udc;
 	int size = 0;
 	u32 bitmask;
-	struct ep_queue_head *d_qh;
+	struct ep_queue_head *qh;
 
 	ep = container_of(_ep, struct fsl_ep, ep);
 	if (!_ep || (!ep->desc && ep_index(ep) != 0))
@@ -1079,13 +1075,13 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
 	if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
 		return -ESHUTDOWN;
 
-	d_qh = &ep->udc->ep_qh[ep_index(ep) * 2 + ep_is_in(ep)];
+	qh = get_qh_by_ep(ep);
 
 	bitmask = (ep_is_in(ep)) ? (1 << (ep_index(ep) + 16)) :
 	    (1 << (ep_index(ep)));
 
 	if (fsl_readl(&dr_regs->endptstatus) & bitmask)
-		size = (d_qh->size_ioc_int_sts & DTD_PACKET_SIZE)
+		size = (qh->size_ioc_int_sts & DTD_PACKET_SIZE)
 		    >> DTD_LENGTH_BIT_POS;
 
 	pr_debug("%s %u\n", __func__, size);
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index 1d51be83fda8..f781f5dec417 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -569,6 +569,16 @@ static void dump_msg(const char *label, const u8 * buf, unsigned int length)
 					* 2 + ((windex & USB_DIR_IN) ? 1 : 0))
 #define get_pipe_by_ep(EP)	(ep_index(EP) * 2 + ep_is_in(EP))
 
+static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
+{
+	/* we only have one ep0 structure but two queue heads */
+	if (ep_index(ep) != 0)
+		return ep->qh;
+	else
+		return &ep->udc->ep_qh[(ep->udc->ep0_dir ==
+				USB_DIR_IN) ? 1 : 0];
+}
+
 struct platform_device;
 #ifdef CONFIG_ARCH_MXC
 int fsl_udc_clk_init(struct platform_device *pdev);
-- 
GitLab


From d7fb6d0adb86ed1c5290e754092a5a1e3de76ee9 Mon Sep 17 00:00:00 2001
From: Rob Herring <rob.herring@calxeda.com>
Date: Sun, 27 Nov 2011 20:16:33 -0600
Subject: [PATCH 1037/1594] of/irq: of_irq_init: add check for parent equal to
 child node

With the revert of "of/irq: of_irq_find_parent: check for parent equal to
child" (dc9372808412edb), we need another way to handle parent node equal
to the child node. This can simply be handled in of_irq_init by checking
for this condition.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: Pawel Moll <pawel.moll@arm.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
---
 drivers/of/irq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 791270b8bd1c..19c0115092dd 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -424,6 +424,8 @@ void __init of_irq_init(const struct of_device_id *matches)
 
 		desc->dev = np;
 		desc->interrupt_parent = of_irq_find_parent(np);
+		if (desc->interrupt_parent == np)
+			desc->interrupt_parent = NULL;
 		list_add_tail(&desc->list, &intc_desc_list);
 	}
 
-- 
GitLab


From e43fce14088d9910b545c30c9a7127deb289d477 Mon Sep 17 00:00:00 2001
From: Pawel Moll <pawel.moll@arm.com>
Date: Tue, 8 Nov 2011 11:35:20 +0000
Subject: [PATCH 1038/1594] of: Add Silicon Image vendor prefix

"sil" is the most commonly used abbreviation for Silicon
Image products.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
---
 Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index e8552782b440..874921e97802 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -33,6 +33,7 @@ qcom	Qualcomm, Inc.
 ramtron	Ramtron International
 samsung	Samsung Semiconductor
 schindler	Schindler
+sil	Silicon Image
 simtek
 sirf	SiRF Technology, Inc.
 stericsson	ST-Ericsson
-- 
GitLab


From 4dd2cb4a28b7ab1f37163a4eba280926a13a8749 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Tue, 29 Nov 2011 12:06:14 -0600
Subject: [PATCH 1039/1594] xfs: force buffer writeback before blocking on the
 ilock in inode reclaim

If we are doing synchronous inode reclaim we block the VM from making
progress in memory reclaim.  So if we encouter a flush locked inode
promote it in the delwri list and wake up xfsbufd to write it out now.
Without this we can get hangs of up to 30 seconds during workloads hitting
synchronous inode reclaim.

The scheme is copied from what we do for dquot reclaims.

Reported-by: Simon Kirby <sim@hostway.ca>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Simon Kirby <sim@hostway.ca>
Signed-off-by: Ben Myers <bpm@sgi.com>
---
 fs/xfs/xfs_inode.c | 21 +++++++++++++++++++++
 fs/xfs/xfs_inode.h |  1 +
 fs/xfs/xfs_sync.c  | 11 +++++++++++
 3 files changed, 33 insertions(+)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index c0237c602f11..755ee8164880 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2835,6 +2835,27 @@ corrupt_out:
 	return XFS_ERROR(EFSCORRUPTED);
 }
 
+void
+xfs_promote_inode(
+	struct xfs_inode	*ip)
+{
+	struct xfs_buf		*bp;
+
+	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
+
+	bp = xfs_incore(ip->i_mount->m_ddev_targp, ip->i_imap.im_blkno,
+			ip->i_imap.im_len, XBF_TRYLOCK);
+	if (!bp)
+		return;
+
+	if (XFS_BUF_ISDELAYWRITE(bp)) {
+		xfs_buf_delwri_promote(bp);
+		wake_up_process(ip->i_mount->m_ddev_targp->bt_task);
+	}
+
+	xfs_buf_relse(bp);
+}
+
 /*
  * Return a pointer to the extent record at file index idx.
  */
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 760140d1dd66..b4cd4739f98e 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -498,6 +498,7 @@ int		xfs_iunlink(struct xfs_trans *, xfs_inode_t *);
 void		xfs_iext_realloc(xfs_inode_t *, int, int);
 void		xfs_iunpin_wait(xfs_inode_t *);
 int		xfs_iflush(xfs_inode_t *, uint);
+void		xfs_promote_inode(struct xfs_inode *);
 void		xfs_lock_inodes(xfs_inode_t **, int, uint);
 void		xfs_lock_two_inodes(xfs_inode_t *, xfs_inode_t *, uint);
 
diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c
index aa3dc1a4d53d..be5c51d8f757 100644
--- a/fs/xfs/xfs_sync.c
+++ b/fs/xfs/xfs_sync.c
@@ -770,6 +770,17 @@ restart:
 	if (!xfs_iflock_nowait(ip)) {
 		if (!(sync_mode & SYNC_WAIT))
 			goto out;
+
+		/*
+		 * If we only have a single dirty inode in a cluster there is
+		 * a fair chance that the AIL push may have pushed it into
+		 * the buffer, but xfsbufd won't touch it until 30 seconds
+		 * from now, and thus we will lock up here.
+		 *
+		 * Promote the inode buffer to the front of the delwri list
+		 * and wake up xfsbufd now.
+		 */
+		xfs_promote_inode(ip);
 		xfs_iflock(ip);
 	}
 
-- 
GitLab


From 4c393a6059f8442a70512a48ce4639b882b6f6ad Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Sat, 19 Nov 2011 17:44:30 +0000
Subject: [PATCH 1040/1594] xfs: fix attr2 vs large data fork assert

With Dmitry fsstress updates I've seen very reproducible crashes in
xfs_attr_shortform_remove because xfs_attr_shortform_bytesfit claims that
the attributes would not fit inline into the inode after removing an
attribute.  It turns out that we were operating on an inode with lots
of delalloc extents, and thus an if_bytes values for the data fork that
is larger than biggest possible on-disk storage for it which utterly
confuses the code near the end of xfs_attr_shortform_bytesfit.

Fix this by always allowing the current attribute fork, like we already
do for the attr1 format, given that delalloc conversion will take care
for moving either the data or attribute area out of line if it doesn't
fit at that point - or making the point moot by merging extents at this
point.

Also document the function better, and clean up some loose bits.

Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
---
 fs/xfs/xfs_attr_leaf.c | 64 +++++++++++++++++++++++++-----------------
 1 file changed, 39 insertions(+), 25 deletions(-)

diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index d4906e7c9787..c1b55e596551 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -110,6 +110,7 @@ xfs_attr_namesp_match(int arg_flags, int ondisk_flags)
 /*
  * Query whether the requested number of additional bytes of extended
  * attribute space will be able to fit inline.
+ *
  * Returns zero if not, else the di_forkoff fork offset to be used in the
  * literal area for attribute data once the new bytes have been added.
  *
@@ -122,7 +123,7 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
 	int offset;
 	int minforkoff;	/* lower limit on valid forkoff locations */
 	int maxforkoff;	/* upper limit on valid forkoff locations */
-	int dsize;	
+	int dsize;
 	xfs_mount_t *mp = dp->i_mount;
 
 	offset = (XFS_LITINO(mp) - bytes) >> 3; /* rounded down */
@@ -136,47 +137,60 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
 		return (offset >= minforkoff) ? minforkoff : 0;
 	}
 
-	if (!(mp->m_flags & XFS_MOUNT_ATTR2)) {
-		if (bytes <= XFS_IFORK_ASIZE(dp))
-			return dp->i_d.di_forkoff;
+	/*
+	 * If the requested numbers of bytes is smaller or equal to the
+	 * current attribute fork size we can always proceed.
+	 *
+	 * Note that if_bytes in the data fork might actually be larger than
+	 * the current data fork size is due to delalloc extents. In that
+	 * case either the extent count will go down when they are converted
+	 * to real extents, or the delalloc conversion will take care of the
+	 * literal area rebalancing.
+	 */
+	if (bytes <= XFS_IFORK_ASIZE(dp))
+		return dp->i_d.di_forkoff;
+
+	/*
+	 * For attr2 we can try to move the forkoff if there is space in the
+	 * literal area, but for the old format we are done if there is no
+	 * space in the fixed attribute fork.
+	 */
+	if (!(mp->m_flags & XFS_MOUNT_ATTR2))
 		return 0;
-	}
 
 	dsize = dp->i_df.if_bytes;
-	
+
 	switch (dp->i_d.di_format) {
 	case XFS_DINODE_FMT_EXTENTS:
-		/* 
+		/*
 		 * If there is no attr fork and the data fork is extents, 
-		 * determine if creating the default attr fork will result 
-		 * in the extents form migrating to btree. If so, the 
-		 * minimum offset only needs to be the space required for 
+		 * determine if creating the default attr fork will result
+		 * in the extents form migrating to btree. If so, the
+		 * minimum offset only needs to be the space required for
 		 * the btree root.
-		 */ 
+		 */
 		if (!dp->i_d.di_forkoff && dp->i_df.if_bytes >
 		    xfs_default_attroffset(dp))
 			dsize = XFS_BMDR_SPACE_CALC(MINDBTPTRS);
 		break;
-		
 	case XFS_DINODE_FMT_BTREE:
 		/*
-		 * If have data btree then keep forkoff if we have one,
-		 * otherwise we are adding a new attr, so then we set 
-		 * minforkoff to where the btree root can finish so we have 
+		 * If we have a data btree then keep forkoff if we have one,
+		 * otherwise we are adding a new attr, so then we set
+		 * minforkoff to where the btree root can finish so we have
 		 * plenty of room for attrs
 		 */
 		if (dp->i_d.di_forkoff) {
-			if (offset < dp->i_d.di_forkoff) 
+			if (offset < dp->i_d.di_forkoff)
 				return 0;
-			else 
-				return dp->i_d.di_forkoff;
-		} else
-			dsize = XFS_BMAP_BROOT_SPACE(dp->i_df.if_broot);
+			return dp->i_d.di_forkoff;
+		}
+		dsize = XFS_BMAP_BROOT_SPACE(dp->i_df.if_broot);
 		break;
 	}
-	
-	/* 
-	 * A data fork btree root must have space for at least 
+
+	/*
+	 * A data fork btree root must have space for at least
 	 * MINDBTPTRS key/ptr pairs if the data fork is small or empty.
 	 */
 	minforkoff = MAX(dsize, XFS_BMDR_SPACE_CALC(MINDBTPTRS));
@@ -186,10 +200,10 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
 	maxforkoff = XFS_LITINO(mp) - XFS_BMDR_SPACE_CALC(MINABTPTRS);
 	maxforkoff = maxforkoff >> 3;	/* rounded down */
 
-	if (offset >= minforkoff && offset < maxforkoff)
-		return offset;
 	if (offset >= maxforkoff)
 		return maxforkoff;
+	if (offset >= minforkoff)
+		return offset;
 	return 0;
 }
 
-- 
GitLab


From c89304b8ea34ab48ba6ae10e06a8b1b8c8212307 Mon Sep 17 00:00:00 2001
From: Xi Wang <xi.wang@gmail.com>
Date: Tue, 29 Nov 2011 09:26:30 +0000
Subject: [PATCH 1041/1594] sctp: better integer overflow check in
 sctp_auth_create_key()

The check from commit 30c2235c is incomplete and cannot prevent
cases like key_len = 0x80000000 (INT_MAX + 1).  In that case, the
left-hand side of the check (INT_MAX - key_len), which is unsigned,
becomes 0xffffffff (UINT_MAX) and bypasses the check.

However this shouldn't be a security issue.  The function is called
from the following two code paths:

 1) setsockopt()

 2) sctp_auth_asoc_set_secret()

In case (1), sca_keylength is never going to exceed 65535 since it's
bounded by a u16 from the user API.  As such, the key length will
never overflow.

In case (2), sca_keylength is computed based on the user key (1 short)
and 2 * key_vector (3 shorts) for a total of 7 * USHRT_MAX, which still
will not overflow.

In other words, this overflow check is not really necessary.  Just
make it more correct.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Cc: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sctp/auth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 865e68fef21c..bf812048cf6f 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -82,7 +82,7 @@ static struct sctp_auth_bytes *sctp_auth_create_key(__u32 key_len, gfp_t gfp)
 	struct sctp_auth_bytes *key;
 
 	/* Verify that we are not going to overflow INT_MAX */
-	if ((INT_MAX - key_len) < sizeof(struct sctp_auth_bytes))
+	if (key_len > (INT_MAX - sizeof(struct sctp_auth_bytes)))
 		return NULL;
 
 	/* Allocate the shared key */
-- 
GitLab


From 3874397c0bdec3c21ce071711cd105165179b8eb Mon Sep 17 00:00:00 2001
From: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Date: Mon, 21 Nov 2011 08:43:54 -0500
Subject: [PATCH 1042/1594] IB/ipoib: Prevent hung task or softlockup
 processing multicast response

This following can occur with ipoib when processing a multicast reponse:

    BUG: soft lockup - CPU#0 stuck for 67s! [ib_mad1:982]
    Modules linked in: ...
    CPU 0:
    Modules linked in: ...
    Pid: 982, comm: ib_mad1 Not tainted 2.6.32-131.0.15.el6.x86_64 #1 ProLiant DL160 G5
    RIP: 0010:[<ffffffff814ddb27>]  [<ffffffff814ddb27>] _spin_unlock_irqrestore+0x17/0x20
    RSP: 0018:ffff8802119ed860  EFLAGS: 00000246
    0000000000000004 RBX: ffff8802119ed860 RCX: 000000000000a299
    RDX: ffff88021086c700 RSI: 0000000000000246 RDI: 0000000000000246
    RBP: ffffffff8100bc8e R08: ffff880210ac229c R09: 0000000000000000
    R10: ffff88021278aab8 R11: 0000000000000000 R12: ffff8802119ed860
    R13: ffffffff8100be6e R14: 0000000000000001 R15: 0000000000000003
    FS:  0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
    CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
    CR2: 00000000006d4840 CR3: 0000000209aa5000 CR4: 00000000000406f0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Call Trace:
    [<ffffffffa032c247>] ? ipoib_mcast_send+0x157/0x480 [ib_ipoib]
    [<ffffffff8100bc8e>] ? apic_timer_interrupt+0xe/0x20
    [<ffffffff8100bc8e>] ? apic_timer_interrupt+0xe/0x20
    [<ffffffffa03283d4>] ? ipoib_path_lookup+0x124/0x2d0 [ib_ipoib]
    [<ffffffffa03286fc>] ? ipoib_start_xmit+0x17c/0x430 [ib_ipoib]
    [<ffffffff8141e758>] ? dev_hard_start_xmit+0x2c8/0x3f0
    [<ffffffff81439d0a>] ? sch_direct_xmit+0x15a/0x1c0
    [<ffffffff81423098>] ? dev_queue_xmit+0x388/0x4d0
    [<ffffffffa032d6b7>] ? ipoib_mcast_join_finish+0x2c7/0x510 [ib_ipoib]
    [<ffffffffa032dab8>] ? ipoib_mcast_sendonly_join_complete+0x1b8/0x1f0 [ib_ipoib]
    [<ffffffffa02a0946>] ? mcast_work_handler+0x1a6/0x710 [ib_sa]
    [<ffffffffa015f01e>] ? ib_send_mad+0xfe/0x3c0 [ib_mad]
    [<ffffffffa00f6c93>] ? ib_get_cached_lmc+0xa3/0xb0 [ib_core]
    [<ffffffffa02a0f9b>] ? join_handler+0xeb/0x200 [ib_sa]
    [<ffffffffa029e4fc>] ? ib_sa_mcmember_rec_callback+0x5c/0xa0 [ib_sa]
    [<ffffffffa029e79c>] ? recv_handler+0x3c/0x70 [ib_sa]
    [<ffffffffa01603a4>] ? ib_mad_completion_handler+0x844/0x9d0 [ib_mad]
    [<ffffffffa015fb60>] ? ib_mad_completion_handler+0x0/0x9d0 [ib_mad]
    [<ffffffff81088830>] ? worker_thread+0x170/0x2a0
    [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40
    [<ffffffff810886c0>] ? worker_thread+0x0/0x2a0
    [<ffffffff8108ddf6>] ? kthread+0x96/0xa0
    [<ffffffff8100c1ca>] ? child_rip+0xa/0x20

Coinciding with stack trace is the following message:

    ib0: ib_address_create failed

The code below in ipoib_mcast_join_finish() will note the above
failure in the address handle but otherwise continue:

                ah = ipoib_create_ah(dev, priv->pd, &av);
                if (!ah) {
                        ipoib_warn(priv, "ib_address_create failed\n");
                } else {

The while loop at the bottom of ipoib_mcast_join_finish() will attempt
to send queued multicast packets in mcast->pkt_queue and eventually
end up in ipoib_mcast_send():

        if (!mcast->ah) {
                if (skb_queue_len(&mcast->pkt_queue) < IPOIB_MAX_MCAST_QUEUE)
                        skb_queue_tail(&mcast->pkt_queue, skb);
                else {
                        ++dev->stats.tx_dropped;
                        dev_kfree_skb_any(skb);
                }

My read is that the code will requeue the packet and return to the
ipoib_mcast_join_finish() while loop and the stage is set for the
"hung" task diagnostic as the while loop never sees a non-NULL ah, and
will do nothing to resolve.

There are GFP_ATOMIC allocates in the provider routines, so this is
possible and should be dealt with.

The test that induced the failure is associated with a host SM on the
same server during a shutdown.

This patch causes ipoib_mcast_join_finish() to exit with an error
which will flush the queued mcast packets.  Nothing is done to unwind
the QP attached state so that subsequent sends from above will retry
the join.

Reviewed-by: Ram Vepa <ram.vepa@qlogic.com>
Reviewed-by: Gary Leshner <gary.leshner@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/ulp/ipoib/ipoib_ib.c        | 13 ++++++++-----
 drivers/infiniband/ulp/ipoib/ipoib_main.c      |  2 +-
 drivers/infiniband/ulp/ipoib/ipoib_multicast.c |  7 +++++--
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 0ef9af94997d..4115be54ba3b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -57,21 +57,24 @@ struct ipoib_ah *ipoib_create_ah(struct net_device *dev,
 				 struct ib_pd *pd, struct ib_ah_attr *attr)
 {
 	struct ipoib_ah *ah;
+	struct ib_ah *vah;
 
 	ah = kmalloc(sizeof *ah, GFP_KERNEL);
 	if (!ah)
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 
 	ah->dev       = dev;
 	ah->last_send = 0;
 	kref_init(&ah->ref);
 
-	ah->ah = ib_create_ah(pd, attr);
-	if (IS_ERR(ah->ah)) {
+	vah = ib_create_ah(pd, attr);
+	if (IS_ERR(vah)) {
 		kfree(ah);
-		ah = NULL;
-	} else
+		ah = (struct ipoib_ah *)vah;
+	} else {
+		ah->ah = vah;
 		ipoib_dbg(netdev_priv(dev), "Created ah %p\n", ah->ah);
+	}
 
 	return ah;
 }
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 7567b6000230..37c46c66b0f2 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -432,7 +432,7 @@ static void path_rec_completion(int status,
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-	if (ah) {
+	if (!IS_ERR_OR_NULL(ah)) {
 		path->pathrec = *pathrec;
 
 		old_ah   = path->ah;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 1b7a97686356..30ca8f069a17 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -240,8 +240,11 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 		av.grh.dgid = mcast->mcmember.mgid;
 
 		ah = ipoib_create_ah(dev, priv->pd, &av);
-		if (!ah) {
-			ipoib_warn(priv, "ib_address_create failed\n");
+		if (IS_ERR(ah)) {
+			ipoib_warn(priv, "ib_address_create failed %ld\n",
+				-PTR_ERR(ah));
+			/* use original error */
+			return PTR_ERR(ah);
 		} else {
 			spin_lock_irq(&priv->lock);
 			mcast->ah = ah;
-- 
GitLab


From 580da35a31f91a594f3090b7a2c39b85cb051a12 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 29 Nov 2011 22:31:23 +0100
Subject: [PATCH 1043/1594] IB: Fix RCU lockdep splats

Commit f2c31e32b37 ("net: fix NULL dereferences in check_peer_redir()")
forgot to take care of infiniband uses of dst neighbours.

Many thanks to Marc Aurele who provided a nice bug report and feedback.

Reported-by: Marc Aurele La France <tsi@ualberta.ca>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>
Cc: <stable@kernel.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/core/addr.c                 |  9 ++++++---
 drivers/infiniband/hw/cxgb3/iwch_cm.c          |  4 ++++
 drivers/infiniband/hw/cxgb4/cm.c               |  6 ++++++
 drivers/infiniband/hw/nes/nes_cm.c             |  6 ++++--
 drivers/infiniband/ulp/ipoib/ipoib_main.c      | 18 +++++++++++-------
 drivers/infiniband/ulp/ipoib/ipoib_multicast.c |  6 ++++--
 6 files changed, 35 insertions(+), 14 deletions(-)

diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 691276bafd78..e9cf51b1343b 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -216,7 +216,9 @@ static int addr4_resolve(struct sockaddr_in *src_in,
 
 	neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->dst.dev);
 	if (!neigh || !(neigh->nud_state & NUD_VALID)) {
+		rcu_read_lock();
 		neigh_event_send(dst_get_neighbour(&rt->dst), NULL);
+		rcu_read_unlock();
 		ret = -ENODATA;
 		if (neigh)
 			goto release;
@@ -274,15 +276,16 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
 		goto put;
 	}
 
+	rcu_read_lock();
 	neigh = dst_get_neighbour(dst);
 	if (!neigh || !(neigh->nud_state & NUD_VALID)) {
 		if (neigh)
 			neigh_event_send(neigh, NULL);
 		ret = -ENODATA;
-		goto put;
+	} else {
+		ret = rdma_copy_addr(addr, dst->dev, neigh->ha);
 	}
-
-	ret = rdma_copy_addr(addr, dst->dev, neigh->ha);
+	rcu_read_unlock();
 put:
 	dst_release(dst);
 	return ret;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index de6d0774e609..c88b12beef25 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1375,8 +1375,10 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
 		goto reject;
 	}
 	dst = &rt->dst;
+	rcu_read_lock();
 	neigh = dst_get_neighbour(dst);
 	l2t = t3_l2t_get(tdev, neigh, neigh->dev);
+	rcu_read_unlock();
 	if (!l2t) {
 		printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
 		       __func__);
@@ -1946,10 +1948,12 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 	}
 	ep->dst = &rt->dst;
 
+	rcu_read_lock();
 	neigh = dst_get_neighbour(ep->dst);
 
 	/* get a l2t entry */
 	ep->l2t = t3_l2t_get(ep->com.tdev, neigh, neigh->dev);
+	rcu_read_unlock();
 	if (!ep->l2t) {
 		printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
 		err = -ENOMEM;
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b36cdac9c558..75b57bee6622 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1594,6 +1594,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
 		goto reject;
 	}
 	dst = &rt->dst;
+	rcu_read_lock();
 	neigh = dst_get_neighbour(dst);
 	if (neigh->dev->flags & IFF_LOOPBACK) {
 		pdev = ip_dev_find(&init_net, peer_ip);
@@ -1620,6 +1621,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
 		rss_qid = dev->rdev.lldi.rxq_ids[
 			  cxgb4_port_idx(neigh->dev) * step];
 	}
+	rcu_read_unlock();
 	if (!l2t) {
 		printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
 		       __func__);
@@ -1820,6 +1822,7 @@ static int c4iw_reconnect(struct c4iw_ep *ep)
 	}
 	ep->dst = &rt->dst;
 
+	rcu_read_lock();
 	neigh = dst_get_neighbour(ep->dst);
 
 	/* get a l2t entry */
@@ -1856,6 +1859,7 @@ static int c4iw_reconnect(struct c4iw_ep *ep)
 		ep->rss_qid = ep->com.dev->rdev.lldi.rxq_ids[
 			cxgb4_port_idx(neigh->dev) * step];
 	}
+	rcu_read_unlock();
 	if (!ep->l2t) {
 		printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
 		err = -ENOMEM;
@@ -2301,6 +2305,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 	}
 	ep->dst = &rt->dst;
 
+	rcu_read_lock();
 	neigh = dst_get_neighbour(ep->dst);
 
 	/* get a l2t entry */
@@ -2339,6 +2344,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 		ep->retry_with_mpa_v1 = 0;
 		ep->tried_with_mpa_v1 = 0;
 	}
+	rcu_read_unlock();
 	if (!ep->l2t) {
 		printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
 		err = -ENOMEM;
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index dfce9ea98a39..0a52d72371ee 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -1377,9 +1377,11 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
 		neigh_release(neigh);
 	}
 
-	if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID)))
+	if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID))) {
+		rcu_read_lock();
 		neigh_event_send(dst_get_neighbour(&rt->dst), NULL);
-
+		rcu_read_unlock();
+	}
 	ip_rt_put(rt);
 	return rc;
 }
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 7567b6000230..ef38848d1b0e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -555,6 +555,7 @@ static int path_rec_start(struct net_device *dev,
 	return 0;
 }
 
+/* called with rcu_read_lock */
 static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -636,6 +637,7 @@ err_drop:
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
+/* called with rcu_read_lock */
 static void ipoib_path_lookup(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(skb->dev);
@@ -720,13 +722,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct neighbour *n = NULL;
 	unsigned long flags;
 
+	rcu_read_lock();
 	if (likely(skb_dst(skb)))
 		n = dst_get_neighbour(skb_dst(skb));
 
 	if (likely(n)) {
 		if (unlikely(!*to_ipoib_neigh(n))) {
 			ipoib_path_lookup(skb, dev);
-			return NETDEV_TX_OK;
+			goto unlock;
 		}
 
 		neigh = *to_ipoib_neigh(n);
@@ -749,17 +752,17 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			ipoib_neigh_free(dev, neigh);
 			spin_unlock_irqrestore(&priv->lock, flags);
 			ipoib_path_lookup(skb, dev);
-			return NETDEV_TX_OK;
+			goto unlock;
 		}
 
 		if (ipoib_cm_get(neigh)) {
 			if (ipoib_cm_up(neigh)) {
 				ipoib_cm_send(dev, skb, ipoib_cm_get(neigh));
-				return NETDEV_TX_OK;
+				goto unlock;
 			}
 		} else if (neigh->ah) {
 			ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(n->ha));
-			return NETDEV_TX_OK;
+			goto unlock;
 		}
 
 		if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
@@ -793,13 +796,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
 					   phdr->hwaddr + 4);
 				dev_kfree_skb_any(skb);
 				++dev->stats.tx_dropped;
-				return NETDEV_TX_OK;
+				goto unlock;
 			}
 
 			unicast_arp_send(skb, dev, phdr);
 		}
 	}
-
+unlock:
+	rcu_read_unlock();
 	return NETDEV_TX_OK;
 }
 
@@ -837,7 +841,7 @@ static int ipoib_hard_header(struct sk_buff *skb,
 	dst = skb_dst(skb);
 	n = NULL;
 	if (dst)
-		n = dst_get_neighbour(dst);
+		n = dst_get_neighbour_raw(dst);
 	if ((!dst || !n) && daddr) {
 		struct ipoib_pseudoheader *phdr =
 			(struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 1b7a97686356..cad1894594a8 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -266,7 +266,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 
 		skb->dev = dev;
 		if (dst)
-			n = dst_get_neighbour(dst);
+			n = dst_get_neighbour_raw(dst);
 		if (!dst || !n) {
 			/* put pseudoheader back on for next time */
 			skb_push(skb, sizeof (struct ipoib_pseudoheader));
@@ -722,6 +722,8 @@ out:
 	if (mcast && mcast->ah) {
 		struct dst_entry *dst = skb_dst(skb);
 		struct neighbour *n = NULL;
+
+		rcu_read_lock();
 		if (dst)
 			n = dst_get_neighbour(dst);
 		if (n && !*to_ipoib_neigh(n)) {
@@ -734,7 +736,7 @@ out:
 				list_add_tail(&neigh->list, &mcast->neigh_list);
 			}
 		}
-
+		rcu_read_unlock();
 		spin_unlock_irqrestore(&priv->lock, flags);
 		ipoib_send(dev, skb, mcast->ah, IB_MULTICAST_QPN);
 		return;
-- 
GitLab


From 1281bc256543eb610b14fa95ce1967397931a120 Mon Sep 17 00:00:00 2001
From: Paul Moore <pmoore@redhat.com>
Date: Tue, 29 Nov 2011 10:10:54 +0000
Subject: [PATCH 1044/1594] netlabel: Fix build problems when IPv6 is not
 enabled

A recent fix to the the NetLabel code caused build problem with
configurations that did not have IPv6 enabled; see below:

 netlabel_kapi.c: In function 'netlbl_cfg_unlbl_map_add':
 netlabel_kapi.c:165:4:
  error: implicit declaration of function 'netlbl_af6list_add'

This patch fixes this problem by making the IPv6 specific code conditional
on the IPv6 configuration flags as we done in the rest of NetLabel and the
network stack as a whole.  We have to move some variable declarations
around as a result so things may not be quite as pretty, but at least it
builds cleanly now.

Some additional IPv6 conditionals were added to the NetLabel code as well
for the sake of consistency.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Paul Moore <pmoore@redhat.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netlabel/netlabel_kapi.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 7b372a763c60..824f184f7a9b 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -111,8 +111,6 @@ int netlbl_cfg_unlbl_map_add(const char *domain,
 	struct netlbl_domaddr_map *addrmap = NULL;
 	struct netlbl_domaddr4_map *map4 = NULL;
 	struct netlbl_domaddr6_map *map6 = NULL;
-	const struct in_addr *addr4, *mask4;
-	const struct in6_addr *addr6, *mask6;
 
 	entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
 	if (entry == NULL)
@@ -133,9 +131,9 @@ int netlbl_cfg_unlbl_map_add(const char *domain,
 		INIT_LIST_HEAD(&addrmap->list6);
 
 		switch (family) {
-		case AF_INET:
-			addr4 = addr;
-			mask4 = mask;
+		case AF_INET: {
+			const struct in_addr *addr4 = addr;
+			const struct in_addr *mask4 = mask;
 			map4 = kzalloc(sizeof(*map4), GFP_ATOMIC);
 			if (map4 == NULL)
 				goto cfg_unlbl_map_add_failure;
@@ -148,9 +146,11 @@ int netlbl_cfg_unlbl_map_add(const char *domain,
 			if (ret_val != 0)
 				goto cfg_unlbl_map_add_failure;
 			break;
-		case AF_INET6:
-			addr6 = addr;
-			mask6 = mask;
+			}
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+		case AF_INET6: {
+			const struct in6_addr *addr6 = addr;
+			const struct in6_addr *mask6 = mask;
 			map6 = kzalloc(sizeof(*map6), GFP_ATOMIC);
 			if (map6 == NULL)
 				goto cfg_unlbl_map_add_failure;
@@ -167,6 +167,8 @@ int netlbl_cfg_unlbl_map_add(const char *domain,
 			if (ret_val != 0)
 				goto cfg_unlbl_map_add_failure;
 			break;
+			}
+#endif /* IPv6 */
 		default:
 			goto cfg_unlbl_map_add_failure;
 			break;
@@ -225,9 +227,11 @@ int netlbl_cfg_unlbl_static_add(struct net *net,
 	case AF_INET:
 		addr_len = sizeof(struct in_addr);
 		break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	case AF_INET6:
 		addr_len = sizeof(struct in6_addr);
 		break;
+#endif /* IPv6 */
 	default:
 		return -EPFNOSUPPORT;
 	}
@@ -266,9 +270,11 @@ int netlbl_cfg_unlbl_static_del(struct net *net,
 	case AF_INET:
 		addr_len = sizeof(struct in_addr);
 		break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	case AF_INET6:
 		addr_len = sizeof(struct in6_addr);
 		break;
+#endif /* IPv6 */
 	default:
 		return -EPFNOSUPPORT;
 	}
-- 
GitLab


From 746ae30f821a8533ffba7769e492f59a96fdbeec Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 24 Nov 2011 02:41:49 +0000
Subject: [PATCH 1045/1594] isdn: make sure strings are null terminated

These strings come from the user.  We strcpy() them inside
cf_command() so we should check that they are NULL terminated and
return an error if not.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/divert/divert_procfs.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c
index 33ec9e467772..9021182c4b76 100644
--- a/drivers/isdn/divert/divert_procfs.c
+++ b/drivers/isdn/divert/divert_procfs.c
@@ -242,6 +242,12 @@ static int isdn_divert_ioctl_unlocked(struct file *file, uint cmd, ulong arg)
 		case IIOCDOCFINT:
 			if (!divert_if.drv_to_name(dioctl.cf_ctrl.drvid))
 				return (-EINVAL);	/* invalid driver */
+			if (strnlen(dioctl.cf_ctrl.msn, sizeof(dioctl.cf_ctrl.msn)) ==
+					sizeof(dioctl.cf_ctrl.msn))
+				return -EINVAL;
+			if (strnlen(dioctl.cf_ctrl.fwd_nr, sizeof(dioctl.cf_ctrl.fwd_nr)) ==
+					sizeof(dioctl.cf_ctrl.fwd_nr))
+				return -EINVAL;
 			if ((i = cf_command(dioctl.cf_ctrl.drvid,
 					    (cmd == IIOCDOCFACT) ? 1 : (cmd == IIOCDOCFDIS) ? 0 : 2,
 					    dioctl.cf_ctrl.cfproc,
-- 
GitLab


From 5dc5503f5a400be5a7dc611745a034f04b0679b8 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 24 Nov 2011 02:42:09 +0000
Subject: [PATCH 1046/1594] isdn: avoid copying too long drvid

"cfg->drvid" comes from the user so there is a possibility they
didn't NUL terminate it properly.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/i4l/isdn_net.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 1f73d7f7e024..2339d7396b9e 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -2756,6 +2756,9 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
 			char *c,
 			*e;
 
+			if (strnlen(cfg->drvid, sizeof(cfg->drvid)) ==
+					sizeof(cfg->drvid))
+				return -EINVAL;
 			drvidx = -1;
 			chidx = -1;
 			strcpy(drvid, cfg->drvid);
-- 
GitLab


From 33dbc27f1ab3a37d04a8d226327fb3d384870e43 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 30 Sep 2011 08:55:50 +1000
Subject: [PATCH 1047/1594] drm/nouveau: add dumb ioctl support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_display.c | 45 +++++++++++++++++++++++
 drivers/gpu/drm/nouveau/nouveau_drv.c     |  4 ++
 drivers/gpu/drm/nouveau/nouveau_drv.h     |  6 +++
 3 files changed, 55 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index ddbabefb4273..b12fd2c80812 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -369,3 +369,48 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
 	spin_unlock_irqrestore(&dev->event_lock, flags);
 	return 0;
 }
+
+int
+nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
+			    struct drm_mode_create_dumb *args)
+{
+	struct nouveau_bo *bo;
+	int ret;
+
+	args->pitch = roundup(args->width * (args->bpp / 8), 256);
+	args->size = args->pitch * args->height;
+	args->size = roundup(args->size, PAGE_SIZE);
+
+	ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo);
+	if (ret)
+		return ret;
+
+	ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
+	drm_gem_object_unreference_unlocked(bo->gem);
+	return ret;
+}
+
+int
+nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
+			     uint32_t handle)
+{
+	return drm_gem_handle_delete(file_priv, handle);
+}
+
+int
+nouveau_display_dumb_map_offset(struct drm_file *file_priv,
+				struct drm_device *dev,
+				uint32_t handle, uint64_t *poffset)
+{
+	struct drm_gem_object *gem;
+
+	gem = drm_gem_object_lookup(dev, file_priv, handle);
+	if (gem) {
+		struct nouveau_bo *bo = gem->driver_private;
+		*poffset = bo->bo.addr_space_offset;
+		drm_gem_object_unreference_unlocked(gem);
+		return 0;
+	}
+
+	return -ENOENT;
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 9f7bb1295262..9791d13c9e3b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -433,6 +433,10 @@ static struct drm_driver driver = {
 	.gem_open_object = nouveau_gem_object_open,
 	.gem_close_object = nouveau_gem_object_close,
 
+	.dumb_create = nouveau_display_dumb_create,
+	.dumb_map_offset = nouveau_display_dumb_map_offset,
+	.dumb_destroy = nouveau_display_dumb_destroy,
+
 	.name = DRIVER_NAME,
 	.desc = DRIVER_DESC,
 #ifdef GIT_REVISION
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 29837da1098b..4c0be3a4ed88 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1418,6 +1418,12 @@ int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 			   struct drm_pending_vblank_event *event);
 int nouveau_finish_page_flip(struct nouveau_channel *,
 			     struct nouveau_page_flip_state *);
+int nouveau_display_dumb_create(struct drm_file *, struct drm_device *,
+				struct drm_mode_create_dumb *args);
+int nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
+				    uint32_t handle, uint64_t *offset);
+int nouveau_display_dumb_destroy(struct drm_file *, struct drm_device *,
+				 uint32_t handle);
 
 /* nv10_gpio.c */
 int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
-- 
GitLab


From ffe2dee49023c2a47ef7e177ceb22ec6bcaecc11 Mon Sep 17 00:00:00 2001
From: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Date: Fri, 11 Nov 2011 20:47:58 +0100
Subject: [PATCH 1048/1594] drm/nvc0/gr: fix TP init for transform feedback
 offset queries

Without this, they return bytes written since the last update of
the offset, but we want the full offset.

Trace shows setting this on GPC[0]/TP[0] is enough.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nvc0_graph.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index a74e501afd25..ecfafd70cf0e 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -381,6 +381,8 @@ nvc0_graph_init_gpc_0(struct drm_device *dev)
 	u8  tpnr[GPC_MAX];
 	int i, gpc, tpc;
 
+	nv_wr32(dev, TP_UNIT(0, 0, 0x5c), 1); /* affects TFB offset queries */
+
 	/*
 	 *      TP      ROP UNKVAL(magic_not_rop_nr)
 	 * 450: 4/0/0/0 2        3
-- 
GitLab


From 26cfa81357b67229f71d25b53cbfbdfb83a38bdf Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 17 Nov 2011 09:10:02 +1000
Subject: [PATCH 1049/1594] drm/nvd0/disp: fix sor dpms typo, preventing dpms
 on in some situations

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nvd0_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 23d63b4b3d77..cb006a718e70 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -780,7 +780,7 @@ nvd0_sor_dpms(struct drm_encoder *encoder, int mode)
 			continue;
 
 		if (nv_partner != nv_encoder &&
-		    nv_partner->dcb->or == nv_encoder->or) {
+		    nv_partner->dcb->or == nv_encoder->dcb->or) {
 			if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
 				return;
 			break;
-- 
GitLab


From 1a97b4ace09d7d3fe213a73bc466ca33af98c91c Mon Sep 17 00:00:00 2001
From: Younes Manton <younes.m@gmail.com>
Date: Tue, 22 Nov 2011 14:58:31 -0500
Subject: [PATCH 1050/1594] drm/nouveau: Keep RAMIN heap within the channel.

The entire RAMIN is allocated to be 'size', but the heap is
specified as 'base' + 'size' inside RAMIN, so it will overflow
past RAMIN by 'base' bytes on NV50+ and clobber other allocatons
unless it's size is adjusted.

Signed-off-by: Younes Manton <younes.m@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_object.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index 02222c540aee..960c0ae0c0c3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -680,7 +680,7 @@ nouveau_gpuobj_channel_init_pramin(struct nouveau_channel *chan)
 		return ret;
 	}
 
-	ret = drm_mm_init(&chan->ramin_heap, base, size);
+	ret = drm_mm_init(&chan->ramin_heap, base, size - base);
 	if (ret) {
 		NV_ERROR(dev, "Error creating PRAMIN heap: %d\n", ret);
 		nouveau_gpuobj_ref(NULL, &chan->ramin);
-- 
GitLab


From a10e9e1dbb39970f232b1e2b0e4f738e2d77079f Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 25 Nov 2011 16:35:34 +1000
Subject: [PATCH 1051/1594] drm/nouveau: fix oopses caused by clear being
 called on unpopulated ttms

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_sgdma.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index b75258a9fe44..c8a463b76c89 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -67,7 +67,10 @@ nouveau_sgdma_clear(struct ttm_backend *be)
 			pci_unmap_page(dev->pdev, nvbe->pages[nvbe->nr_pages],
 				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
 		}
+		nvbe->unmap_pages = false;
 	}
+
+	nvbe->pages = NULL;
 }
 
 static void
-- 
GitLab


From a55b68e06b593ef7311f4a1cf9d3ae349ef7e9ed Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 9 Nov 2011 15:30:08 +1000
Subject: [PATCH 1052/1594] drm/nv50/disp: silence compiler warning

NFI why this only started appearing now.  The use of the uninitialised var
can't actually happen, so perhaps my compiler just got stupider.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nv50_display.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index d23ca00e7d62..06de250fe617 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -616,7 +616,7 @@ nv50_display_unk10_handler(struct drm_device *dev)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nv50_display *disp = nv50_display(dev);
 	u32 unk30 = nv_rd32(dev, 0x610030), mc;
-	int i, crtc, or, type = OUTPUT_ANY;
+	int i, crtc, or = 0, type = OUTPUT_ANY;
 
 	NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
 	disp->irq.dcb = NULL;
@@ -708,7 +708,7 @@ nv50_display_unk20_handler(struct drm_device *dev)
 	struct nv50_display *disp = nv50_display(dev);
 	u32 unk30 = nv_rd32(dev, 0x610030), tmp, pclk, script, mc = 0;
 	struct dcb_entry *dcb;
-	int i, crtc, or, type = OUTPUT_ANY;
+	int i, crtc, or = 0, type = OUTPUT_ANY;
 
 	NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30);
 	dcb = disp->irq.dcb;
-- 
GitLab


From 2984ff38ccf6cbc02a7a996a36c7d6f69f3c6146 Mon Sep 17 00:00:00 2001
From: majianpeng <majianpeng@gmail.com>
Date: Wed, 30 Nov 2011 15:47:48 +0100
Subject: [PATCH 1053/1594] cfq-iosched: free cic_index if
 blkio_alloc_blkg_stats fails

If we fail allocating the blkpg stats, we free cfqd and cfgq.
But we need to free the IDA cfqd->cic_index as well.

Signed-off-by: majianpeng <majianpeng@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/cfq-iosched.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 16ace89613bc..3beed83437a3 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -4036,6 +4036,11 @@ static void *cfq_init_queue(struct request_queue *q)
 
 	if (blkio_alloc_blkg_stats(&cfqg->blkg)) {
 		kfree(cfqg);
+
+		spin_lock(&cic_index_lock);
+		ida_remove(&cic_index_ida, cfqd->cic_index);
+		spin_unlock(&cic_index_lock);
+
 		kfree(cfqd);
 		return NULL;
 	}
-- 
GitLab


From 1808958d27b1250295f01dff4997d8a8814adaab Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Mon, 28 Nov 2011 12:53:08 +0100
Subject: [PATCH 1054/1594] ARM: at91: fix clock conid for atmel_tcb.1 on
 9260/9g20

The conid is supposed to be t0/t1/t2_clk.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable <stable@vger.kernel.org>
---
 arch/arm/mach-at91/at91sam9260.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index b84a9f642f59..0d20677fbef0 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -195,9 +195,9 @@ static struct clk_lookup periph_clocks_lookups[] = {
 	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
 	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
 	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
-	CLKDEV_CON_DEV_ID("t3_clk", "atmel_tcb.1", &tc3_clk),
-	CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk),
-	CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk),
+	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk),
+	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk),
+	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk),
 	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk),
 	/* more usart lookup table for DT entries */
 	CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
-- 
GitLab


From 0e934e22f3fabb98c41737e2e30bd9db2668e935 Mon Sep 17 00:00:00 2001
From: Anders Darander <anders@chargestorm.se>
Date: Wed, 30 Nov 2011 08:47:44 +0100
Subject: [PATCH 1055/1594] ARM: at91: Fix USB AT91 gadget registration

Since 193ab2a6070039e7ee2b9b9bebea754a7c52fd1b, various AT91 boards don't
register at91_udc anymore due to depending on a now non-existing symbol.
Fix the symbol name.

Signed-off-by: Anders Darander <anders@chargestorm.se>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable <stable@vger.kernel.org>
---
 arch/arm/mach-at91/at91rm9200_devices.c  | 2 +-
 arch/arm/mach-at91/at91sam9260_devices.c | 2 +-
 arch/arm/mach-at91/at91sam9261_devices.c | 2 +-
 arch/arm/mach-at91/at91sam9263_devices.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 66591fa53e05..ad930688358c 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -83,7 +83,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#ifdef CONFIG_USB_GADGET_AT91
+#ifdef CONFIG_USB_AT91
 static struct at91_udc_data udc_data;
 
 static struct resource udc_resources[] = {
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 25e3464fb07f..629fa9774972 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -84,7 +84,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#ifdef CONFIG_USB_GADGET_AT91
+#ifdef CONFIG_USB_AT91
 static struct at91_udc_data udc_data;
 
 static struct resource udc_resources[] = {
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index ae78f4d03b73..a178b58b0b9c 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -87,7 +87,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#ifdef CONFIG_USB_GADGET_AT91
+#ifdef CONFIG_USB_AT91
 static struct at91_udc_data udc_data;
 
 static struct resource udc_resources[] = {
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index ad017eb1f8df..d5fbac9ff4fa 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -92,7 +92,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  *  USB Device (Gadget)
  * -------------------------------------------------------------------- */
 
-#ifdef CONFIG_USB_GADGET_AT91
+#ifdef CONFIG_USB_AT91
 static struct at91_udc_data udc_data;
 
 static struct resource udc_resources[] = {
-- 
GitLab


From 26bdef541d26fd6a5ddffdf8949ace22f94f809f Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 16 Nov 2011 11:28:01 +0300
Subject: [PATCH 1056/1594] btrfs scrub: handle -ENOMEM from init_ipath()

init_ipath() can return an ERR_PTR(-ENOMEM).

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 fs/btrfs/scrub.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index fab420db5121..c27bcb67f330 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -256,6 +256,11 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root, void *ctx)
 	btrfs_release_path(swarn->path);
 
 	ipath = init_ipath(4096, local_root, swarn->path);
+	if (IS_ERR(ipath)) {
+		ret = PTR_ERR(ipath);
+		ipath = NULL;
+		goto err;
+	}
 	ret = paths_from_inode(inum, ipath);
 
 	if (ret < 0)
-- 
GitLab


From b52f75a595e8a70ee453bd6fb8023ee294f7a729 Mon Sep 17 00:00:00 2001
From: Arnd Hannemann <arnd@arndnet.de>
Date: Wed, 16 Nov 2011 17:35:37 +0100
Subject: [PATCH 1057/1594] Fix URL of btrfs-progs git repository in docs

	The location of the btrfs-progs repository has been changed.
	This patch updates the documentation accordingly.

Signed-off-by: Arnd Hannemann <arnd@arndnet.de>
---
 Documentation/filesystems/btrfs.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt
index 64087c34327f..7671352216f1 100644
--- a/Documentation/filesystems/btrfs.txt
+++ b/Documentation/filesystems/btrfs.txt
@@ -63,8 +63,8 @@ IRC network.
 Userspace tools for creating and manipulating Btrfs file systems are
 available from the git repository at the following location:
 
- http://git.kernel.org/?p=linux/kernel/git/mason/btrfs-progs-unstable.git
- git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs-unstable.git
+ http://git.kernel.org/?p=linux/kernel/git/mason/btrfs-progs.git
+ git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git
 
 These include the following tools:
 
-- 
GitLab


From aa38a711a893accf5b5192f3d705a120deaa81e0 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Fri, 18 Nov 2011 17:43:00 +0800
Subject: [PATCH 1058/1594] Btrfs: fix deadlock on metadata reservation when
 evicting a inode

When I ran the xfstests, I found the test tasks was blocked on meta-data
reservation.

By debugging, I found the reason of this bug:
   start transaction
        |
	v
   reserve meta-data space
	|
	v
   flush delay allocation -> iput inode -> evict inode
	^					|
	|					v
   wait for delay allocation flush <- reserve meta-data space

And besides that, the flush on evicting inode will block the thread, which
is reclaiming the memory, and make oom happen easily.

Fix this bug by skipping the flush step when evicting inode.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---
 fs/btrfs/ctree.h       |  3 +++
 fs/btrfs/extent-tree.c | 22 ++++++++++++++++++----
 fs/btrfs/inode.c       |  2 +-
 3 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 04a5dfcee5a1..50634abef9b4 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2369,6 +2369,9 @@ int btrfs_block_rsv_check(struct btrfs_root *root,
 int btrfs_block_rsv_refill(struct btrfs_root *root,
 			  struct btrfs_block_rsv *block_rsv,
 			  u64 min_reserved);
+int btrfs_block_rsv_refill_noflush(struct btrfs_root *root,
+				   struct btrfs_block_rsv *block_rsv,
+				   u64 min_reserved);
 int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
 			    struct btrfs_block_rsv *dst_rsv,
 			    u64 num_bytes);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 5d86877f10e1..b7e5f6898d07 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3887,9 +3887,9 @@ int btrfs_block_rsv_check(struct btrfs_root *root,
 	return ret;
 }
 
-int btrfs_block_rsv_refill(struct btrfs_root *root,
-			  struct btrfs_block_rsv *block_rsv,
-			  u64 min_reserved)
+static inline int __btrfs_block_rsv_refill(struct btrfs_root *root,
+					   struct btrfs_block_rsv *block_rsv,
+					   u64 min_reserved, int flush)
 {
 	u64 num_bytes = 0;
 	int ret = -ENOSPC;
@@ -3908,7 +3908,7 @@ int btrfs_block_rsv_refill(struct btrfs_root *root,
 	if (!ret)
 		return 0;
 
-	ret = reserve_metadata_bytes(root, block_rsv, num_bytes, 1);
+	ret = reserve_metadata_bytes(root, block_rsv, num_bytes, flush);
 	if (!ret) {
 		block_rsv_add_bytes(block_rsv, num_bytes, 0);
 		return 0;
@@ -3917,6 +3917,20 @@ int btrfs_block_rsv_refill(struct btrfs_root *root,
 	return ret;
 }
 
+int btrfs_block_rsv_refill(struct btrfs_root *root,
+			   struct btrfs_block_rsv *block_rsv,
+			   u64 min_reserved)
+{
+	return __btrfs_block_rsv_refill(root, block_rsv, min_reserved, 1);
+}
+
+int btrfs_block_rsv_refill_noflush(struct btrfs_root *root,
+				   struct btrfs_block_rsv *block_rsv,
+				   u64 min_reserved)
+{
+	return __btrfs_block_rsv_refill(root, block_rsv, min_reserved, 0);
+}
+
 int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
 			    struct btrfs_block_rsv *dst_rsv,
 			    u64 num_bytes)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8ad26b135a1c..c5ccec23984c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3490,7 +3490,7 @@ void btrfs_evict_inode(struct inode *inode)
 	 * doing the truncate.
 	 */
 	while (1) {
-		ret = btrfs_block_rsv_refill(root, rsv, min_size);
+		ret = btrfs_block_rsv_refill_noflush(root, rsv, min_size);
 
 		/*
 		 * Try and steal from the global reserve since we will
-- 
GitLab


From ece7d20e8be6730fbb29f4550de6b19b1a3a9387 Mon Sep 17 00:00:00 2001
From: Mike Fleetwood <mike.fleetwood@googlemail.com>
Date: Fri, 18 Nov 2011 18:55:01 +0000
Subject: [PATCH 1059/1594] Btrfs: Don't error on resizing FS to same size

It seems overly harsh to fail a resize of a btrfs file system to the
same size when a shrink or grow would succeed.  User app GParted trips
over this error.  Allow it by bypassing the shrink or grow operation.

Signed-off-by: Mike Fleetwood <mike.fleetwood@googlemail.com>
---
 fs/btrfs/ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index a90e749ed6d2..72d461656f60 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1278,7 +1278,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
 		}
 		ret = btrfs_grow_device(trans, device, new_size);
 		btrfs_commit_transaction(trans, root);
-	} else {
+	} else if (new_size < old_size) {
 		ret = btrfs_shrink_device(device, new_size);
 	}
 
-- 
GitLab


From b772a86ea6d932ac29d5e50e67c977653c832f8a Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Mon, 28 Nov 2011 16:43:00 +0800
Subject: [PATCH 1060/1594] Btrfs: fix oops when calling statfs on readonly
 device

To reproduce this bug:

  # dd if=/dev/zero of=img bs=1M count=256
  # mkfs.btrfs img
  # losetup -r /dev/loop1 img
  # mount /dev/loop1 /mnt
  OOPS!!

It triggered BUG_ON(!nr_devices) in btrfs_calc_avail_data_space().

To fix this, instead of checking write-only devices, we check all open
deivces:

  # df -h /dev/loop1
  Filesystem            Size  Used Avail Use% Mounted on
  /dev/loop1            250M   28K  238M   1% /mnt

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
 fs/btrfs/super.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 8bd9d6d0e07a..1a3ce9e0b495 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1083,7 +1083,7 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
 	int i = 0, nr_devices;
 	int ret;
 
-	nr_devices = fs_info->fs_devices->rw_devices;
+	nr_devices = fs_info->fs_devices->open_devices;
 	BUG_ON(!nr_devices);
 
 	devices_info = kmalloc(sizeof(*devices_info) * nr_devices,
@@ -1105,8 +1105,8 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
 	else
 		min_stripe_size = BTRFS_STRIPE_LEN;
 
-	list_for_each_entry(device, &fs_devices->alloc_list, dev_alloc_list) {
-		if (!device->in_fs_metadata)
+	list_for_each_entry(device, &fs_devices->devices, dev_list) {
+		if (!device->in_fs_metadata || !device->bdev)
 			continue;
 
 		avail_space = device->total_bytes - device->bytes_used;
-- 
GitLab


From f2d0f6765d6332f9be732965a0c6f3b8a55082b4 Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Date: Mon, 28 Nov 2011 12:04:43 -0200
Subject: [PATCH 1061/1594] Btrfs: initialize new bitmaps' list

We're failing to create clusters with bitmaps because
setup_cluster_no_bitmap checks that the list is empty before inserting
the bitmap entry in the list for setup_cluster_bitmap, but the list
field is only initialized when it is restored from the on-disk free
space cache, or when it is written out to disk.

Besides a potential race condition due to the multiple use of the list
field, filesystem performance severely degrades over time: as we use
up all non-bitmap free extents, the try-to-set-up-cluster dance is
done at every metadata block allocation.  For every block group, we
fail to set up a cluster, and after failing on them all up to twice,
we fall back to the much slower unclustered allocation.

To make matters worse, before the unclustered allocation, we try to
create new block groups until we reach the 1% threshold, which
introduces additional bitmaps and thus block groups that we'll iterate
over at each metadata block request.
---
 fs/btrfs/free-space-cache.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 6e5b7e463698..ff179b1e7423 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1470,6 +1470,7 @@ static void add_new_bitmap(struct btrfs_free_space_ctl *ctl,
 {
 	info->offset = offset_to_bitmap(ctl, offset);
 	info->bytes = 0;
+	INIT_LIST_HEAD(&info->list);
 	link_free_space(ctl, info);
 	ctl->total_bitmaps++;
 
-- 
GitLab


From b78d09bceb524ee6481c21b77bda22d766b10e6a Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Date: Wed, 30 Nov 2011 13:43:00 -0500
Subject: [PATCH 1062/1594] Btrfs: reset cluster's max_size when creating
 bitmap

The field that indicates the size of the largest contiguous chunk of
free space in the cluster is not initialized when setting up bitmaps,
it's only increased when we find a larger contiguous chunk.  We end up
retaining a larger value than appropriate for highly-fragmented
clusters, which may cause pointless searches for large contiguous
groups, and even cause clusters that do not meet the density
requirements to be set up.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/free-space-cache.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index ff179b1e7423..ec23d43d0c35 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2320,6 +2320,7 @@ again:
 
 	if (!found) {
 		start = i;
+		cluster->max_size = 0;
 		found = true;
 	}
 
-- 
GitLab


From 1b22bad779be7fe07242be04749ec969164528b8 Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Date: Wed, 30 Nov 2011 13:43:00 -0500
Subject: [PATCH 1063/1594] Btrfs: start search for new cluster at the
 beginning

Instead of starting at zero (offset is always zero), request a cluster
starting at search_start, that denotes the beginning of the current
block group.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent-tree.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b7e5f6898d07..97c12067a4b0 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5301,10 +5301,8 @@ alloc:
 			spin_lock(&last_ptr->refill_lock);
 			if (last_ptr->block_group &&
 			    (last_ptr->block_group->ro ||
-			    !block_group_bits(last_ptr->block_group, data))) {
-				offset = 0;
+			    !block_group_bits(last_ptr->block_group, data)))
 				goto refill_cluster;
-			}
 
 			offset = btrfs_alloc_from_cluster(block_group, last_ptr,
 						 num_bytes, search_start);
@@ -5355,7 +5353,7 @@ refill_cluster:
 			/* allocate a cluster in this block group */
 			ret = btrfs_find_space_cluster(trans, root,
 					       block_group, last_ptr,
-					       offset, num_bytes,
+					       search_start, num_bytes,
 					       empty_cluster + empty_size);
 			if (ret == 0) {
 				/*
-- 
GitLab


From 425d83156ca27f74e2cc3f370138038c3c8947f8 Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Date: Wed, 30 Nov 2011 13:43:00 -0500
Subject: [PATCH 1064/1594] Btrfs: skip block groups without enough space for a
 cluster

We test whether a block group has enough free space to hold the
requested block, but when we're doing clustered allocation, we can
save some cycles by testing whether it has enough room for the cluster
upfront, otherwise we end up attempting to set up a cluster and
failing.  Only in the NO_EMPTY_SIZE loop do we attempt an unclustered
allocation, and by then we'll have zeroed the cluster size, so this
patch won't stop us from using the block group as a last resort.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent-tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 97c12067a4b0..71c8e7049d0c 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5278,7 +5278,7 @@ alloc:
 		spin_lock(&block_group->free_space_ctl->tree_lock);
 		if (cached &&
 		    block_group->free_space_ctl->free_space <
-		    num_bytes + empty_size) {
+		    num_bytes + empty_cluster + empty_size) {
 			spin_unlock(&block_group->free_space_ctl->tree_lock);
 			goto loop;
 		}
-- 
GitLab


From be064d113906f04ea13088a8260e1e68ae0a4050 Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Date: Wed, 30 Nov 2011 13:43:00 -0500
Subject: [PATCH 1065/1594] Btrfs: skip allocation attempt from empty cluster

If we don't have a cluster, don't bother trying to allocate from it,
jumping right away to the attempt to allocate a new cluster.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent-tree.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 71c8e7049d0c..813c6bb96c9a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5299,9 +5299,9 @@ alloc:
 			 * people trying to start a new cluster
 			 */
 			spin_lock(&last_ptr->refill_lock);
-			if (last_ptr->block_group &&
-			    (last_ptr->block_group->ro ||
-			    !block_group_bits(last_ptr->block_group, data)))
+			if (!last_ptr->block_group ||
+			    last_ptr->block_group->ro ||
+			    !block_group_bits(last_ptr->block_group, data))
 				goto refill_cluster;
 
 			offset = btrfs_alloc_from_cluster(block_group, last_ptr,
-- 
GitLab


From a042994dd377d86bff9446ee76151ceb6267c9ba Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com>
Date: Mon, 28 Nov 2011 16:47:15 -0500
Subject: [PATCH 1066/1594] cfg80211: fix race on init and driver registration

There is a theoretical race that if hit will trigger
a crash. The race is between when we issue the first
regulatory hint, regulatory_hint_core(), gets processed
by the workqueue and between when the first device
gets registered to the wireless core. This is not easy
to reproduce but it was easy to do so through the
regulatory simulator I have been working on. This
is a port of the fix I implemented there [1].

[1] https://github.com/mcgrof/regsim/commit/a246ccf81f059cb662eee288aa13100f631e4cc8

Cc: stable@vger.kernel.org
Cc: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/reg.c | 43 +++++++++++++++++++++++++++----------------
 1 file changed, 27 insertions(+), 16 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 186b7f2a27b6..0ec40715a67b 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -55,8 +55,17 @@
 #define REG_DBG_PRINT(args...)
 #endif
 
+static struct regulatory_request core_request_world = {
+	.initiator = NL80211_REGDOM_SET_BY_CORE,
+	.alpha2[0] = '0',
+	.alpha2[1] = '0',
+	.intersect = false,
+	.processed = true,
+	.country_ie_env = ENVIRON_ANY,
+};
+
 /* Receipt of information from last regulatory request */
-static struct regulatory_request *last_request;
+static struct regulatory_request *last_request = &core_request_world;
 
 /* To trigger userspace events */
 static struct platform_device *reg_pdev;
@@ -148,7 +157,7 @@ static char user_alpha2[2];
 module_param(ieee80211_regdom, charp, 0444);
 MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
 
-static void reset_regdomains(void)
+static void reset_regdomains(bool full_reset)
 {
 	/* avoid freeing static information or freeing something twice */
 	if (cfg80211_regdomain == cfg80211_world_regdom)
@@ -163,6 +172,13 @@ static void reset_regdomains(void)
 
 	cfg80211_world_regdom = &world_regdom;
 	cfg80211_regdomain = NULL;
+
+	if (!full_reset)
+		return;
+
+	if (last_request != &core_request_world)
+		kfree(last_request);
+	last_request = &core_request_world;
 }
 
 /*
@@ -173,7 +189,7 @@ static void update_world_regdomain(const struct ieee80211_regdomain *rd)
 {
 	BUG_ON(!last_request);
 
-	reset_regdomains();
+	reset_regdomains(false);
 
 	cfg80211_world_regdom = rd;
 	cfg80211_regdomain = rd;
@@ -1405,7 +1421,8 @@ static int __regulatory_hint(struct wiphy *wiphy,
 	}
 
 new_request:
-	kfree(last_request);
+	if (last_request != &core_request_world)
+		kfree(last_request);
 
 	last_request = pending_request;
 	last_request->intersect = intersect;
@@ -1575,9 +1592,6 @@ static int regulatory_hint_core(const char *alpha2)
 {
 	struct regulatory_request *request;
 
-	kfree(last_request);
-	last_request = NULL;
-
 	request = kzalloc(sizeof(struct regulatory_request),
 			  GFP_KERNEL);
 	if (!request)
@@ -1775,7 +1789,7 @@ static void restore_regulatory_settings(bool reset_user)
 	mutex_lock(&cfg80211_mutex);
 	mutex_lock(&reg_mutex);
 
-	reset_regdomains();
+	reset_regdomains(true);
 	restore_alpha2(alpha2, reset_user);
 
 	/*
@@ -2044,7 +2058,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
 		int r;
 
 		if (last_request->initiator != NL80211_REGDOM_SET_BY_DRIVER) {
-			reset_regdomains();
+			reset_regdomains(false);
 			cfg80211_regdomain = rd;
 			return 0;
 		}
@@ -2065,7 +2079,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
 		if (r)
 			return r;
 
-		reset_regdomains();
+		reset_regdomains(false);
 		cfg80211_regdomain = rd;
 		return 0;
 	}
@@ -2090,7 +2104,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
 
 		rd = NULL;
 
-		reset_regdomains();
+		reset_regdomains(false);
 		cfg80211_regdomain = intersected_rd;
 
 		return 0;
@@ -2110,7 +2124,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
 	kfree(rd);
 	rd = NULL;
 
-	reset_regdomains();
+	reset_regdomains(false);
 	cfg80211_regdomain = intersected_rd;
 
 	return 0;
@@ -2263,11 +2277,8 @@ void /* __init_or_exit */ regulatory_exit(void)
 	mutex_lock(&cfg80211_mutex);
 	mutex_lock(&reg_mutex);
 
-	reset_regdomains();
-
-	kfree(last_request);
+	reset_regdomains(true);
 
-	last_request = NULL;
 	dev_set_uevent_suppress(&reg_pdev->dev, true);
 
 	platform_device_unregister(reg_pdev);
-- 
GitLab


From 0bac71af6e66dc798bf07d0c0dd14ee5503362f9 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com>
Date: Mon, 28 Nov 2011 16:47:16 -0500
Subject: [PATCH 1067/1594] cfg80211: amend regulatory NULL dereference fix

Johannes' patch for "cfg80211: fix regulatory NULL dereference"
broke user regulaotry hints and it did not address the fact that
last_request was left populated even if the previous regulatory
hint was stale due to the wiphy disappearing.

Fix user reguluatory hints by only bailing out if for those
regulatory hints where a request_wiphy is expected. The stale last_request
considerations are addressed through the previous fixes on last_request
where we reset the last_request to a static world regdom request upon
reset_regdomains(). In this case though we further enhance the effect
by simply restoring reguluatory settings completely.

Cc: stable@vger.kernel.org
Cc: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/reg.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 0ec40715a67b..074c1122ce42 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2049,8 +2049,10 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
 	}
 
 	request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx);
-	if (!request_wiphy) {
-		reg_set_request_processed();
+	if (!request_wiphy &&
+	    (last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER ||
+	     last_request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)) {
+		schedule_delayed_work(&reg_timeout, 0);
 		return -ENODEV;
 	}
 
-- 
GitLab


From c72e8d335e2c6a309b6281f2abcf491f37b8b92b Mon Sep 17 00:00:00 2001
From: Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de>
Date: Wed, 30 Nov 2011 16:56:30 +0100
Subject: [PATCH 1068/1594] mac80211: fill rate filter for internal scan
 requests

The rates bitmap for internal scan requests shoud be filled,
otherwise there will be probe requests with zero rates supported.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index d999bf3b84e1..cae443563ec9 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -757,6 +757,12 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	if (!local->int_scan_req)
 		return -ENOMEM;
 
+	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+		if (!local->hw.wiphy->bands[band])
+			continue;
+		local->int_scan_req->rates[band] = (u32) -1;
+	}
+
 	/* if low-level driver supports AP, we also support VLAN */
 	if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
 		hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN);
-- 
GitLab


From 15fc1f3617edea50fa58703d59f73e726377bc63 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Wed, 30 Nov 2011 17:07:21 -0500
Subject: [PATCH 1069/1594] net: fec: Select the FEC driver by default for i.MX
 SoCs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Since commit 230dec6 (net/fec: add imx6q enet support) the FEC driver is no
longer built by default for i.MX SoCs.

Let the FEC driver be built by default again.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/freescale/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index c520cfd3b298..5272f9d4dda9 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -24,6 +24,7 @@ config FEC
 	bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)"
 	depends on (M523x || M527x || M5272 || M528x || M520x || M532x || \
 		   ARCH_MXC || ARCH_MXS)
+	default ARCH_MXC || ARCH_MXS if ARM
 	select PHYLIB
 	---help---
 	  Say Y here if you want to use the built-in 10/100 Fast ethernet
-- 
GitLab


From f7e57044eeb1841847c24aa06766c8290c202583 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 30 Nov 2011 04:08:58 +0000
Subject: [PATCH 1070/1594] sch_teql: fix lockdep splat

We need rcu_read_lock() protection before using dst_get_neighbour(), and
we must cache its value (pass it to __teql_resolve())

teql_master_xmit() is called under rcu_read_lock_bh() protection, its
not enough.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/sch_teql.c | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index a3b7120fcc74..4f4c52c0eeb3 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -225,11 +225,11 @@ static int teql_qdisc_init(struct Qdisc *sch, struct nlattr *opt)
 
 
 static int
-__teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *dev)
+__teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res,
+	       struct net_device *dev, struct netdev_queue *txq,
+	       struct neighbour *mn)
 {
-	struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, 0);
-	struct teql_sched_data *q = qdisc_priv(dev_queue->qdisc);
-	struct neighbour *mn = dst_get_neighbour(skb_dst(skb));
+	struct teql_sched_data *q = qdisc_priv(txq->qdisc);
 	struct neighbour *n = q->ncache;
 
 	if (mn->tbl == NULL)
@@ -262,17 +262,26 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *
 }
 
 static inline int teql_resolve(struct sk_buff *skb,
-			       struct sk_buff *skb_res, struct net_device *dev)
+			       struct sk_buff *skb_res,
+			       struct net_device *dev,
+			       struct netdev_queue *txq)
 {
-	struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
+	struct dst_entry *dst = skb_dst(skb);
+	struct neighbour *mn;
+	int res;
+
 	if (txq->qdisc == &noop_qdisc)
 		return -ENODEV;
 
-	if (dev->header_ops == NULL ||
-	    skb_dst(skb) == NULL ||
-	    dst_get_neighbour(skb_dst(skb)) == NULL)
+	if (!dev->header_ops || !dst)
 		return 0;
-	return __teql_resolve(skb, skb_res, dev);
+
+	rcu_read_lock();
+	mn = dst_get_neighbour(dst);
+	res = mn ? __teql_resolve(skb, skb_res, dev, txq, mn) : 0;
+	rcu_read_unlock();
+
+	return res;
 }
 
 static netdev_tx_t teql_master_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -307,7 +316,7 @@ restart:
 			continue;
 		}
 
-		switch (teql_resolve(skb, skb_res, slave)) {
+		switch (teql_resolve(skb, skb_res, slave, slave_txq)) {
 		case 0:
 			if (__netif_tx_trylock(slave_txq)) {
 				unsigned int length = qdisc_pkt_len(skb);
-- 
GitLab


From 218fa90f072e4aeff9003d57e390857f4f35513e Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 29 Nov 2011 20:05:55 +0000
Subject: [PATCH 1071/1594] ipv4: fix lockdep splat in rt_cache_seq_show

After commit f2c31e32b378 (fix NULL dereferences in check_peer_redir()),
dst_get_neighbour() should be guarded by rcu_read_lock() /
rcu_read_unlock() section.

Reported-by: Miles Lane <miles.lane@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5c2847247f51..57e01bc60947 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -417,9 +417,13 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
 	else {
 		struct rtable *r = v;
 		struct neighbour *n;
-		int len;
+		int len, HHUptod;
 
+		rcu_read_lock();
 		n = dst_get_neighbour(&r->dst);
+		HHUptod = (n && (n->nud_state & NUD_CONNECTED)) ? 1 : 0;
+		rcu_read_unlock();
+
 		seq_printf(seq, "%s\t%08X\t%08X\t%8X\t%d\t%u\t%d\t"
 			      "%08X\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n",
 			r->dst.dev ? r->dst.dev->name : "*",
@@ -433,7 +437,7 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
 			      dst_metric(&r->dst, RTAX_RTTVAR)),
 			r->rt_key_tos,
 			-1,
-			(n && (n->nud_state & NUD_CONNECTED)) ? 1 : 0,
+			HHUptod,
 			r->rt_spec_dst, &len);
 
 		seq_printf(seq, "%*s\n", 127 - len, "");
-- 
GitLab


From 61b3875382bc335423ccd7cbf2736c70175a54dd Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Mon, 28 Nov 2011 12:20:53 +0100
Subject: [PATCH 1072/1594] ARM: 7179/1: nomadik: localize cpu-8815 header

The symbols from cpu-8815.c were being broadcast across the
entire kernel but are only really used locally in mach-nomadik
so let's localize them.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-nomadik/board-nhk8815.c      | 2 ++
 arch/arm/mach-nomadik/cpu-8815.c           | 1 +
 arch/arm/mach-nomadik/cpu-8815.h           | 3 +++
 arch/arm/mach-nomadik/include/mach/setup.h | 3 ---
 4 files changed, 6 insertions(+), 3 deletions(-)
 create mode 100644 arch/arm/mach-nomadik/cpu-8815.h

diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
index 0cbb74c96ef7..4518050c8e8a 100644
--- a/arch/arm/mach-nomadik/board-nhk8815.c
+++ b/arch/arm/mach-nomadik/board-nhk8815.c
@@ -34,6 +34,8 @@
 #include <mach/nand.h>
 #include <mach/fsmc.h>
 
+#include "cpu-8815.h"
+
 /* Initial value for SRC control register: all timers use MXTAL/8 source */
 #define SRC_CR_INIT_MASK	0x00007fff
 #define SRC_CR_INIT_VAL		0x2aaa8000
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
index dc67717db6f0..c087ea9986a1 100644
--- a/arch/arm/mach-nomadik/cpu-8815.c
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -32,6 +32,7 @@
 #include <asm/hardware/cache-l2x0.h>
 
 #include "clock.h"
+#include "cpu-8815.h"
 
 #define __MEM_4K_RESOURCE(x) \
 	.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
diff --git a/arch/arm/mach-nomadik/cpu-8815.h b/arch/arm/mach-nomadik/cpu-8815.h
new file mode 100644
index 000000000000..e041794ac681
--- /dev/null
+++ b/arch/arm/mach-nomadik/cpu-8815.h
@@ -0,0 +1,3 @@
+extern void cpu8815_map_io(void);
+extern void cpu8815_platform_init(void);
+extern void cpu8815_init_irq(void);
diff --git a/arch/arm/mach-nomadik/include/mach/setup.h b/arch/arm/mach-nomadik/include/mach/setup.h
index b7897edf1f35..bcaeaf41c053 100644
--- a/arch/arm/mach-nomadik/include/mach/setup.h
+++ b/arch/arm/mach-nomadik/include/mach/setup.h
@@ -12,9 +12,6 @@
 
 #ifdef CONFIG_NOMADIK_8815
 
-extern void cpu8815_map_io(void);
-extern void cpu8815_platform_init(void);
-extern void cpu8815_init_irq(void);
 extern void nmdk_timer_init(void);
 
 #endif /* NOMADIK_8815 */
-- 
GitLab


From 14383c295ab48178c449336f5d74e9e615e36723 Mon Sep 17 00:00:00 2001
From: "Jon Medhurst (Tixy)" <tixy@yxit.co.uk>
Date: Tue, 29 Nov 2011 08:14:35 +0100
Subject: [PATCH 1073/1594] ARM: 7180/1: Change kprobes testcase with
 unpredictable STRD instruction

There is a kprobes testcase for the instruction "strd r2, [r3], r4".
This has unpredictable behaviour as it uses r3 for register writeback
addressing and also stores it to memory.

On a cortex A9, this testcase would fail because the instruction writes
the updated value of r3 to memory, whereas the kprobes emulation code
writes the original value.

Fix this by changing testcase to used r5 instead of r3.

Reported-by: Leif Lindholm <leif.lindholm@arm.com>
Tested-by: Leif Lindholm <leif.lindholm@arm.com>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Jon Medhurst <tixy@yxit.co.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/kprobes-test-arm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kernel/kprobes-test-arm.c b/arch/arm/kernel/kprobes-test-arm.c
index fc82de8bdcce..edf9ad8d3c6b 100644
--- a/arch/arm/kernel/kprobes-test-arm.c
+++ b/arch/arm/kernel/kprobes-test-arm.c
@@ -550,7 +550,7 @@ void kprobe_arm_test_cases(void)
 	TEST_RPR(  "strccd	r",8, VAL2,", [r",13,0, ", r",12,48,"]")
 	TEST_RPR(  "strd	r",4, VAL1,", [r",2, 24,", r",3, 48,"]!")
 	TEST_RPR(  "strcsd	r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
-	TEST_RPR(  "strd	r",2, VAL1,", [r",3, 24,"], r",4,48,"")
+	TEST_RPR(  "strd	r",2, VAL1,", [r",5, 24,"], r",4,48,"")
 	TEST_RPR(  "strd	r",10,VAL2,", [r",9, 48,"], -r",7,24,"")
 	TEST_UNSUPPORTED(".word 0xe1afc0fa	@ strd r12, [pc, r10]!")
 
-- 
GitLab


From b5bed7fe801d1460424b7aeb6b06464e23d2a1e6 Mon Sep 17 00:00:00 2001
From: "Jon Medhurst (Tixy)" <tixy@yxit.co.uk>
Date: Tue, 29 Nov 2011 08:16:02 +0100
Subject: [PATCH 1074/1594] ARM: 7181/1: Restrict kprobes probing SWP
 instructions to ARMv5 and below

The SWP instruction is deprecated on ARMv6 and with ARMv7 it will be
UNDEFINED when CONFIG_SWP_EMULATE is selected. In this case, probing a
SWP instruction will cause an oops when the kprobes emulation code
executes an undefined instruction.

As the SWP instruction should be rare or non-existent in kernels for
ARMv6 and later, we can simply avoid these problems by not allowing
probing of these.

Reported-by: Leif Lindholm <leif.lindholm@arm.com>
Tested-by: Leif Lindholm <leif.lindholm@arm.com>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Jon Medhurst <tixy@yxit.co.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/kprobes-arm.c      |  4 +++-
 arch/arm/kernel/kprobes-test-arm.c | 25 ++++++++++++++++---------
 2 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/arch/arm/kernel/kprobes-arm.c b/arch/arm/kernel/kprobes-arm.c
index 9fe8910308af..8a30c89da70e 100644
--- a/arch/arm/kernel/kprobes-arm.c
+++ b/arch/arm/kernel/kprobes-arm.c
@@ -519,10 +519,12 @@ static const union decode_item arm_cccc_0000_____1001_table[] = {
 static const union decode_item arm_cccc_0001_____1001_table[] = {
 	/* Synchronization primitives					*/
 
+#if __LINUX_ARM_ARCH__ < 6
+	/* Deprecated on ARMv6 and may be UNDEFINED on v7		*/
 	/* SMP/SWPB		cccc 0001 0x00 xxxx xxxx xxxx 1001 xxxx */
 	DECODE_EMULATEX	(0x0fb000f0, 0x01000090, emulate_rd12rn16rm0_rwflags_nopc,
 						 REGS(NOPC, NOPC, 0, 0, NOPC)),
-
+#endif
 	/* LDREX/STREX{,D,B,H}	cccc 0001 1xxx xxxx xxxx xxxx 1001 xxxx */
 	/* And unallocated instructions...				*/
 	DECODE_END
diff --git a/arch/arm/kernel/kprobes-test-arm.c b/arch/arm/kernel/kprobes-test-arm.c
index edf9ad8d3c6b..ba32b393b3f0 100644
--- a/arch/arm/kernel/kprobes-test-arm.c
+++ b/arch/arm/kernel/kprobes-test-arm.c
@@ -427,18 +427,25 @@ void kprobe_arm_test_cases(void)
 
 	TEST_GROUP("Synchronization primitives")
 
-	/*
-	 * Use hard coded constants for SWP instructions to avoid warnings
-	 * about deprecated instructions.
-	 */
-	TEST_RP( ".word 0xe108e097 @ swp	lr, r",7,VAL2,", [r",8,0,"]")
-	TEST_R(  ".word 0x610d0091 @ swpvs	r0, r",1,VAL1,", [sp]")
-	TEST_RP( ".word 0xe10cd09e @ swp	sp, r",14,VAL2,", [r",12,13*4,"]")
+#if __LINUX_ARM_ARCH__ < 6
+	TEST_RP("swp	lr, r",7,VAL2,", [r",8,0,"]")
+	TEST_R( "swpvs	r0, r",1,VAL1,", [sp]")
+	TEST_RP("swp	sp, r",14,VAL2,", [r",12,13*4,"]")
+#else
+	TEST_UNSUPPORTED(".word 0xe108e097 @ swp	lr, r7, [r8]")
+	TEST_UNSUPPORTED(".word 0x610d0091 @ swpvs	r0, r1, [sp]")
+	TEST_UNSUPPORTED(".word 0xe10cd09e @ swp	sp, r14 [r12]")
+#endif
 	TEST_UNSUPPORTED(".word 0xe102f091 @ swp pc, r1, [r2]")
 	TEST_UNSUPPORTED(".word 0xe102009f @ swp r0, pc, [r2]")
 	TEST_UNSUPPORTED(".word 0xe10f0091 @ swp r0, r1, [pc]")
-	TEST_RP( ".word 0xe148e097 @ swpb	lr, r",7,VAL2,", [r",8,0,"]")
-	TEST_R(  ".word 0x614d0091 @ swpvsb	r0, r",1,VAL1,", [sp]")
+#if __LINUX_ARM_ARCH__ < 6
+	TEST_RP("swpb	lr, r",7,VAL2,", [r",8,0,"]")
+	TEST_R( "swpvsb	r0, r",1,VAL1,", [sp]")
+#else
+	TEST_UNSUPPORTED(".word 0xe148e097 @ swpb	lr, r7, [r8]")
+	TEST_UNSUPPORTED(".word 0x614d0091 @ swpvsb	r0, r1, [sp]")
+#endif
 	TEST_UNSUPPORTED(".word 0xe142f091 @ swpb pc, r1, [r2]")
 
 	TEST_UNSUPPORTED(".word	0xe1100090") /* Unallocated space */
-- 
GitLab


From 4cbd6b167f9ed756ced970e0a95538f60ae3b9ab Mon Sep 17 00:00:00 2001
From: Vincent Guittot <vincent.guittot@linaro.org>
Date: Tue, 29 Nov 2011 15:50:20 +0100
Subject: [PATCH 1075/1594] ARM: 7182/1: ARM cpu topology: fix warning

kernel/sched.c:7354:2: warning: initialization from incompatible pointer type

Align cpu_coregroup_mask prototype interface with sched_domain_mask_f typedef
use int cpu instead of unsigned int cpu

Cc: <stable@vger.kernel.org>
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/include/asm/topology.h | 2 +-
 arch/arm/kernel/topology.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h
index a7e457ed27c3..58b8b84adcd2 100644
--- a/arch/arm/include/asm/topology.h
+++ b/arch/arm/include/asm/topology.h
@@ -25,7 +25,7 @@ extern struct cputopo_arm cpu_topology[NR_CPUS];
 
 void init_cpu_topology(void);
 void store_cpu_topology(unsigned int cpuid);
-const struct cpumask *cpu_coregroup_mask(unsigned int cpu);
+const struct cpumask *cpu_coregroup_mask(int cpu);
 
 #else
 
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index 1040c00405d0..8200deaa14f6 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -43,7 +43,7 @@
 
 struct cputopo_arm cpu_topology[NR_CPUS];
 
-const struct cpumask *cpu_coregroup_mask(unsigned int cpu)
+const struct cpumask *cpu_coregroup_mask(int cpu)
 {
 	return &cpu_topology[cpu].core_sibling;
 }
-- 
GitLab


From 917fbdb32f37e9a93b00bb12ee83532982982df3 Mon Sep 17 00:00:00 2001
From: Henrik Saavedra Persson <henrik.e.persson@ericsson.com>
Date: Wed, 23 Nov 2011 23:37:15 +0000
Subject: [PATCH 1076/1594] bonding: only use primary address for ARP

Only use the primary address of the bond device
for master_ip. This will prevent changing the ARP source
address in Active-Backup mode whenever a secondry address
is added to the bond device.

Signed-off-by: Henrik Saavedra Persson <henrik.e.persson@ericsson.com>
Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@drr.davemloft.net>
---
 drivers/net/bonding/bond_main.c | 33 ++++++---------------------------
 1 file changed, 6 insertions(+), 27 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b0c577256487..7f8756825b8a 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2553,30 +2553,6 @@ re_arm:
 	}
 }
 
-static __be32 bond_glean_dev_ip(struct net_device *dev)
-{
-	struct in_device *idev;
-	struct in_ifaddr *ifa;
-	__be32 addr = 0;
-
-	if (!dev)
-		return 0;
-
-	rcu_read_lock();
-	idev = __in_dev_get_rcu(dev);
-	if (!idev)
-		goto out;
-
-	ifa = idev->ifa_list;
-	if (!ifa)
-		goto out;
-
-	addr = ifa->ifa_local;
-out:
-	rcu_read_unlock();
-	return addr;
-}
-
 static int bond_has_this_ip(struct bonding *bond, __be32 ip)
 {
 	struct vlan_entry *vlan;
@@ -3322,6 +3298,10 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
 	struct bonding *bond;
 	struct vlan_entry *vlan;
 
+	/* we only care about primary address */
+	if(ifa->ifa_flags & IFA_F_SECONDARY)
+		return NOTIFY_DONE;
+
 	list_for_each_entry(bond, &bn->dev_list, bond_list) {
 		if (bond->dev == event_dev) {
 			switch (event) {
@@ -3329,7 +3309,7 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
 				bond->master_ip = ifa->ifa_local;
 				return NOTIFY_OK;
 			case NETDEV_DOWN:
-				bond->master_ip = bond_glean_dev_ip(bond->dev);
+				bond->master_ip = 0;
 				return NOTIFY_OK;
 			default:
 				return NOTIFY_DONE;
@@ -3345,8 +3325,7 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
 					vlan->vlan_ip = ifa->ifa_local;
 					return NOTIFY_OK;
 				case NETDEV_DOWN:
-					vlan->vlan_ip =
-						bond_glean_dev_ip(vlan_dev);
+					vlan->vlan_ip = 0;
 					return NOTIFY_OK;
 				default:
 					return NOTIFY_DONE;
-- 
GitLab


From ea6a5d3b97b768561db6358f15e4c84ced0f4f7e Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 30 Nov 2011 12:10:53 +0000
Subject: [PATCH 1077/1594] sch_red: fix red_calc_qavg_from_idle_time

Since commit a4a710c4a7490587 (pkt_sched: Change PSCHED_SHIFT from 10 to
6) it seems RED/GRED are broken.

red_calc_qavg_from_idle_time() computes a delay in us units, but this
delay is now 16 times bigger than real delay, so the final qavg result
smaller than expected.

Use standard kernel time services since there is no need to obfuscate
them.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/red.h | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/include/net/red.h b/include/net/red.h
index 3319f16b3beb..b72a3b833936 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -116,7 +116,7 @@ struct red_parms {
 	u32		qR;		/* Cached random number */
 
 	unsigned long	qavg;		/* Average queue length: A scaled */
-	psched_time_t	qidlestart;	/* Start of current idle period */
+	ktime_t		qidlestart;	/* Start of current idle period */
 };
 
 static inline u32 red_rmask(u8 Plog)
@@ -148,17 +148,17 @@ static inline void red_set_parms(struct red_parms *p,
 
 static inline int red_is_idling(struct red_parms *p)
 {
-	return p->qidlestart != PSCHED_PASTPERFECT;
+	return p->qidlestart.tv64 != 0;
 }
 
 static inline void red_start_of_idle_period(struct red_parms *p)
 {
-	p->qidlestart = psched_get_time();
+	p->qidlestart = ktime_get();
 }
 
 static inline void red_end_of_idle_period(struct red_parms *p)
 {
-	p->qidlestart = PSCHED_PASTPERFECT;
+	p->qidlestart.tv64 = 0;
 }
 
 static inline void red_restart(struct red_parms *p)
@@ -170,13 +170,10 @@ static inline void red_restart(struct red_parms *p)
 
 static inline unsigned long red_calc_qavg_from_idle_time(struct red_parms *p)
 {
-	psched_time_t now;
-	long us_idle;
+	s64 delta = ktime_us_delta(ktime_get(), p->qidlestart);
+	long us_idle = min_t(s64, delta, p->Scell_max);
 	int  shift;
 
-	now = psched_get_time();
-	us_idle = psched_tdiff_bounded(now, p->qidlestart, p->Scell_max);
-
 	/*
 	 * The problem: ideally, average length queue recalcultion should
 	 * be done over constant clock intervals. This is too expensive, so
-- 
GitLab


From 8f891489866ec62a87494eff3ed17c88152c32d4 Mon Sep 17 00:00:00 2001
From: "RongQing.Li" <roy.qing.li@gmail.com>
Date: Wed, 30 Nov 2011 23:43:07 -0500
Subject: [PATCH 1078/1594] net/core: fix rollback handler in
 register_netdevice_notifier

Within nested statements, the break statement terminates only the
do, for, switch, or while statement that immediately encloses it,
So replace the break with goto.

Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 1482eea0bbf0..5a13edfc9f73 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1396,7 +1396,7 @@ rollback:
 	for_each_net(net) {
 		for_each_netdev(net, dev) {
 			if (dev == last)
-				break;
+				goto outroll;
 
 			if (dev->flags & IFF_UP) {
 				nb->notifier_call(nb, NETDEV_GOING_DOWN, dev);
@@ -1407,6 +1407,7 @@ rollback:
 		}
 	}
 
+outroll:
 	raw_notifier_chain_unregister(&netdev_chain, nb);
 	goto unlock;
 }
-- 
GitLab


From 2a3267a489f1dc4284b64a4b88c62011946dc7ff Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Thu, 1 Dec 2011 14:35:29 +0800
Subject: [PATCH 1079/1594] arm/imx: fix return type of callback passed to
 of_irq_init()

The of_irq_init() expects the callback passed by .data of of_device_id
return 'int' instead of 'void'.  This patch fixes it to have
irq_init_cb() return the correct value, and in turn have the secondary
interrupt controller (gpio in this case) initialized properly and also
eliminate the error message 'of_irq_init: children remain, but no
parents' which was overlooked before.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/mach-imx/mach-imx6q.c | 4 +++-
 arch/arm/mach-mx5/imx51-dt.c   | 7 +++++--
 arch/arm/mach-mx5/imx53-dt.c   | 7 +++++--
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 8bf5fa349484..eb7531bdfed7 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -36,7 +36,7 @@ static void __init imx6q_map_io(void)
 	imx_scu_map_io();
 }
 
-static void __init imx6q_gpio_add_irq_domain(struct device_node *np,
+static int __init imx6q_gpio_add_irq_domain(struct device_node *np,
 				struct device_node *interrupt_parent)
 {
 	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
@@ -44,6 +44,8 @@ static void __init imx6q_gpio_add_irq_domain(struct device_node *np,
 
 	irq_domain_add_simple(np, gpio_irq_base);
 	gpio_irq_base += 32;
+
+	return 0;
 }
 
 static const struct of_device_id imx6q_irq_match[] __initconst = {
diff --git a/arch/arm/mach-mx5/imx51-dt.c b/arch/arm/mach-mx5/imx51-dt.c
index ccc61585659b..3451a463a79a 100644
--- a/arch/arm/mach-mx5/imx51-dt.c
+++ b/arch/arm/mach-mx5/imx51-dt.c
@@ -44,13 +44,14 @@ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = {
 	{ /* sentinel */ }
 };
 
-static void __init imx51_tzic_add_irq_domain(struct device_node *np,
+static int __init imx51_tzic_add_irq_domain(struct device_node *np,
 				struct device_node *interrupt_parent)
 {
 	irq_domain_add_simple(np, 0);
+	return 0;
 }
 
-static void __init imx51_gpio_add_irq_domain(struct device_node *np,
+static int __init imx51_gpio_add_irq_domain(struct device_node *np,
 				struct device_node *interrupt_parent)
 {
 	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
@@ -58,6 +59,8 @@ static void __init imx51_gpio_add_irq_domain(struct device_node *np,
 
 	irq_domain_add_simple(np, gpio_irq_base);
 	gpio_irq_base += 32;
+
+	return 0;
 }
 
 static const struct of_device_id imx51_irq_match[] __initconst = {
diff --git a/arch/arm/mach-mx5/imx53-dt.c b/arch/arm/mach-mx5/imx53-dt.c
index ccaa0b81b768..022bc0364b5f 100644
--- a/arch/arm/mach-mx5/imx53-dt.c
+++ b/arch/arm/mach-mx5/imx53-dt.c
@@ -48,13 +48,14 @@ static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = {
 	{ /* sentinel */ }
 };
 
-static void __init imx53_tzic_add_irq_domain(struct device_node *np,
+static int __init imx53_tzic_add_irq_domain(struct device_node *np,
 				struct device_node *interrupt_parent)
 {
 	irq_domain_add_simple(np, 0);
+	return 0;
 }
 
-static void __init imx53_gpio_add_irq_domain(struct device_node *np,
+static int __init imx53_gpio_add_irq_domain(struct device_node *np,
 				struct device_node *interrupt_parent)
 {
 	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
@@ -62,6 +63,8 @@ static void __init imx53_gpio_add_irq_domain(struct device_node *np,
 
 	irq_domain_add_simple(np, gpio_irq_base);
 	gpio_irq_base += 32;
+
+	return 0;
 }
 
 static const struct of_device_id imx53_irq_match[] __initconst = {
-- 
GitLab


From 04aafd713bae8a75933c7821dc012b0ec9046bca Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Thu, 1 Dec 2011 14:49:29 +0800
Subject: [PATCH 1080/1594] arm/imx: fix irq_base for gpio

When gpio core dynamically allocate gpio number for a port, it starts
from the end of the total range, 0 ~ ARCH_NR_GPIOS.  That said, the
earlier a port gets probed, the bigger gpio number it gets assigned.
To match this, the irq_base for gpio should be assigned from
'MXC_GPIO_IRQ_START + ARCH_NR_GPIOS' decreasingly.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/mach-imx/mach-imx6q.c | 5 ++---
 arch/arm/mach-mx5/imx51-dt.c   | 5 ++---
 arch/arm/mach-mx5/imx53-dt.c   | 5 ++---
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index eb7531bdfed7..22aa54aa9b2a 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -39,11 +39,10 @@ static void __init imx6q_map_io(void)
 static int __init imx6q_gpio_add_irq_domain(struct device_node *np,
 				struct device_node *interrupt_parent)
 {
-	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
-				   32 * 7; /* imx6q gets 7 gpio ports */
+	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS;
 
+	gpio_irq_base -= 32;
 	irq_domain_add_simple(np, gpio_irq_base);
-	gpio_irq_base += 32;
 
 	return 0;
 }
diff --git a/arch/arm/mach-mx5/imx51-dt.c b/arch/arm/mach-mx5/imx51-dt.c
index 3451a463a79a..596edd967dbf 100644
--- a/arch/arm/mach-mx5/imx51-dt.c
+++ b/arch/arm/mach-mx5/imx51-dt.c
@@ -54,11 +54,10 @@ static int __init imx51_tzic_add_irq_domain(struct device_node *np,
 static int __init imx51_gpio_add_irq_domain(struct device_node *np,
 				struct device_node *interrupt_parent)
 {
-	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
-				   32 * 4; /* imx51 gets 4 gpio ports */
+	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS;
 
+	gpio_irq_base -= 32;
 	irq_domain_add_simple(np, gpio_irq_base);
-	gpio_irq_base += 32;
 
 	return 0;
 }
diff --git a/arch/arm/mach-mx5/imx53-dt.c b/arch/arm/mach-mx5/imx53-dt.c
index 022bc0364b5f..85bfd5ff21b0 100644
--- a/arch/arm/mach-mx5/imx53-dt.c
+++ b/arch/arm/mach-mx5/imx53-dt.c
@@ -58,11 +58,10 @@ static int __init imx53_tzic_add_irq_domain(struct device_node *np,
 static int __init imx53_gpio_add_irq_domain(struct device_node *np,
 				struct device_node *interrupt_parent)
 {
-	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
-				   32 * 7; /* imx53 gets 7 gpio ports */
+	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS;
 
+	gpio_irq_base -= 32;
 	irq_domain_add_simple(np, gpio_irq_base);
-	gpio_irq_base += 32;
 
 	return 0;
 }
-- 
GitLab


From f64964796dedca340608fb1075ab6baad5625851 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 28 Nov 2011 14:49:26 -0500
Subject: [PATCH 1081/1594] drm/radeon/kms: add some loop timeouts in pageflip
 code

Avoid infinite loops waiting for surface updates if a GPU
reset happens while waiting for a page flip.

See:
https://bugs.freedesktop.org/show_bug.cgi?id=43191

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Reviewed-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Tested-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c | 7 ++++++-
 drivers/gpu/drm/radeon/r100.c      | 7 ++++++-
 drivers/gpu/drm/radeon/rs600.c     | 7 ++++++-
 drivers/gpu/drm/radeon/rv770.c     | 7 ++++++-
 4 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 1d603a3335db..5e00d1670aa9 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -82,6 +82,7 @@ u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 	u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
+	int i;
 
 	/* Lock the graphics update lock */
 	tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
@@ -99,7 +100,11 @@ u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 	       (u32)crtc_base);
 
 	/* Wait for update_pending to go high. */
-	while (!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING));
+	for (i = 0; i < rdev->usec_timeout; i++) {
+		if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)
+			break;
+		udelay(1);
+	}
 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 
 	/* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index ad158ea49901..bfc08f6320f8 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -187,13 +187,18 @@ u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 	u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
+	int i;
 
 	/* Lock the graphics update lock */
 	/* update the scanout addresses */
 	WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 
 	/* Wait for update_pending to go high. */
-	while (!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET));
+	for (i = 0; i < rdev->usec_timeout; i++) {
+		if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
+			break;
+		udelay(1);
+	}
 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 
 	/* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 481b99e89f65..b1053d640423 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -62,6 +62,7 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
+	int i;
 
 	/* Lock the graphics update lock */
 	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
@@ -74,7 +75,11 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 	       (u32)crtc_base);
 
 	/* Wait for update_pending to go high. */
-	while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
+	for (i = 0; i < rdev->usec_timeout; i++) {
+		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
+			break;
+		udelay(1);
+	}
 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 
 	/* Unlock the lock, so double-buffering can take place inside vblank */
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index a983f410ab89..23ae1c60ab3d 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -47,6 +47,7 @@ u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 {
 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
+	int i;
 
 	/* Lock the graphics update lock */
 	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
@@ -66,7 +67,11 @@ u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 	       (u32)crtc_base);
 
 	/* Wait for update_pending to go high. */
-	while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
+	for (i = 0; i < rdev->usec_timeout; i++) {
+		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
+			break;
+		udelay(1);
+	}
 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 
 	/* Unlock the lock, so double-buffering can take place inside vblank */
-- 
GitLab


From bc96f9424b0e95f2451398007be46824f93866d0 Mon Sep 17 00:00:00 2001
From: Jean Delvare <jdelvare@suse.de>
Date: Wed, 30 Nov 2011 17:26:36 +0100
Subject: [PATCH 1082/1594] drm/radeon/kms: Hide debugging message

Use the proper macro to issue the debugging message in
radeon_atif_call(). Otherwise we spam the log of many systems with a
message which looks like an error message of unknown origin, and could
thus confuse the user. Commit dc77de12dde95c8da39e4c417eb70c7d445cf84b
was a first step in this direction, but was not sufficient IMHO.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_acpi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index 3f6636bb2d7f..c039e5a6bf13 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -35,7 +35,8 @@ static int radeon_atif_call(acpi_handle handle)
 
 	/* Fail only if calling the method fails and ATIF is supported */
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
-		printk(KERN_DEBUG "failed to evaluate ATIF got %s\n", acpi_format_exception(status));
+		DRM_DEBUG_DRIVER("failed to evaluate ATIF got %s\n",
+				 acpi_format_exception(status));
 		kfree(buffer.pointer);
 		return 1;
 	}
-- 
GitLab


From 48cc9b2c7dae377e39836c0a88dd1c5ba5566d17 Mon Sep 17 00:00:00 2001
From: Jean Delvare <jdelvare@suse.de>
Date: Wed, 30 Nov 2011 17:36:39 +0100
Subject: [PATCH 1083/1594] drm/radeon/kms: Skip ACPI call to ATIF when
 possible

I am under the impression that it only makes sense to call the ATIF
method if the graphics device has an ACPI handle attached. So we could
skip the call altogether if there is no such handle.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_acpi.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index c039e5a6bf13..3516a6081dcf 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -51,13 +51,13 @@ int radeon_acpi_init(struct radeon_device *rdev)
 	acpi_handle handle;
 	int ret;
 
-	/* No need to proceed if we're sure that ATIF is not supported */
-	if (!ASIC_IS_AVIVO(rdev) || !rdev->bios)
-		return 0;
-
 	/* Get the device handle */
 	handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev);
 
+	/* No need to proceed if we're sure that ATIF is not supported */
+	if (!ASIC_IS_AVIVO(rdev) || !rdev->bios || !handle)
+		return 0;
+
 	/* Call the ATIF method */
 	ret = radeon_atif_call(handle);
 	if (ret)
-- 
GitLab


From 88d686027bb43f585914c77dd363f6e817b42c2a Mon Sep 17 00:00:00 2001
From: Charles Chin <Charles.Chin@idt.com>
Date: Thu, 1 Dec 2011 11:21:00 +0100
Subject: [PATCH 1084/1594] ALSA: hda - Fix S3/S4 problem on machines with
 VREF-pin mute-LED

The verb command in stac92xx_post_suspend caused the audio to stop
working after resuming from S3 mode on HP laptops with the VREF-pin
mute-LED control.  Removing relevant post_suspend registering.

Although removing D3 on AFG is no optimal solution, the impact should
be small in comparison with the broken S3/S4.

Signed-off-by: Charles Chin <Charles.Chin@idt.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index f4f4ebeed9ea..d8d2f9dccd9b 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -5057,20 +5057,6 @@ static int stac92xx_pre_resume(struct hda_codec *codec)
 	return 0;
 }
 
-static int stac92xx_post_suspend(struct hda_codec *codec)
-{
-	struct sigmatel_spec *spec = codec->spec;
-	if (spec->gpio_led > 8) {
-		/* with vref-out pin used for mute led control
-		 * codec AFG is prevented from D3 state, but on
-		 * system suspend it can (and should) be used
-		 */
-		snd_hda_codec_read(codec, codec->afg, 0,
-				AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
-	}
-	return 0;
-}
-
 static void stac92xx_set_power_state(struct hda_codec *codec, hda_nid_t fg,
 				unsigned int power_state)
 {
@@ -5670,8 +5656,6 @@ again:
 		} else {
 			codec->patch_ops.set_power_state =
 					stac92xx_set_power_state;
-			codec->patch_ops.post_suspend =
-					stac92xx_post_suspend;
 		}
 		codec->patch_ops.pre_resume = stac92xx_pre_resume;
 		codec->patch_ops.check_power_status =
@@ -5985,8 +5969,6 @@ again:
 		} else {
 			codec->patch_ops.set_power_state =
 					stac92xx_set_power_state;
-			codec->patch_ops.post_suspend =
-					stac92xx_post_suspend;
 		}
 		codec->patch_ops.pre_resume = stac92xx_pre_resume;
 		codec->patch_ops.check_power_status =
-- 
GitLab


From 5f894cbb6890d317699aa622b4dc9d73d009cd22 Mon Sep 17 00:00:00 2001
From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Date: Thu, 1 Dec 2011 13:32:14 +0100
Subject: [PATCH 1085/1594] [S390] kdump: Replace is_kdump_kernel() with
 OLDMEM_BASE check

In order to have the same behavior for kdump based stand-alone dump
as for the kexec method, the is_kdump_kernel() check (only true for
the kexec method) has to be replaced by the OLDMEM_BASE check (true
for both methods).

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/setup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index e58a462949b1..e54c4ff8abaa 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -579,7 +579,7 @@ static unsigned long __init find_crash_base(unsigned long crash_size,
 		*msg = "first memory chunk must be at least crashkernel size";
 		return 0;
 	}
-	if (is_kdump_kernel() && (crash_size == OLDMEM_SIZE))
+	if (OLDMEM_BASE && crash_size == OLDMEM_SIZE)
 		return OLDMEM_BASE;
 
 	for (i = MEMORY_CHUNKS - 1; i >= 0; i--) {
-- 
GitLab


From d9ae6772d3a3d7325d535577d9fd09c0de8a9da3 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Thu, 1 Dec 2011 13:32:15 +0100
Subject: [PATCH 1086/1594] [S390] ptrace inferior call interactions with
 TIF_SYSCALL

The TIF_SYSCALL bit needs to be cleared if the debugger changes the state
of the ptraced process in regard to the presence of a system call.
Otherwise the system call will be restarted although the debugger set up
an inferior call.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/signal.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 05a85bc14c98..7f6f9f354545 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -460,9 +460,9 @@ void do_signal(struct pt_regs *regs)
 						     regs->svc_code >> 16);
 				break;
 			}
-			/* No longer in a system call */
-			clear_thread_flag(TIF_SYSCALL);
 		}
+		/* No longer in a system call */
+		clear_thread_flag(TIF_SYSCALL);
 
 		if ((is_compat_task() ?
 		     handle_signal32(signr, &ka, &info, oldset, regs) :
@@ -486,6 +486,7 @@ void do_signal(struct pt_regs *regs)
 	}
 
 	/* No handlers present - check for system call restart */
+	clear_thread_flag(TIF_SYSCALL);
 	if (current_thread_info()->system_call) {
 		regs->svc_code = current_thread_info()->system_call;
 		switch (regs->gprs[2]) {
@@ -500,9 +501,6 @@ void do_signal(struct pt_regs *regs)
 			regs->gprs[2] = regs->orig_gpr2;
 			set_thread_flag(TIF_SYSCALL);
 			break;
-		default:
-			clear_thread_flag(TIF_SYSCALL);
-			break;
 		}
 	}
 
-- 
GitLab


From 7c81878b34dd1b75dec5c8b68951d1439854d358 Mon Sep 17 00:00:00 2001
From: Carsten Otte <cotte@de.ibm.com>
Date: Thu, 1 Dec 2011 13:32:16 +0100
Subject: [PATCH 1087/1594] [S390] fix page change underindication in
 pgste_update_all

This patch makes sure we don't underindicate _PAGE_CHANGED in case
we have a race between an operation that changes the page and this
code path that hits us between page_get_storage_key and
page_set_storage_key. Note that we still have a potential
underindication on _PAGE_REFERENCED in the unlikely event that
the page was changed but not referenced _and_ someone references
the page in the race window. That's not considered to be a problem.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/pgtable.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 524d23b8610c..4f289ff0b7fe 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -599,10 +599,10 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste)
 	skey = page_get_storage_key(address);
 	bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED);
 	/* Clear page changed & referenced bit in the storage key */
-	if (bits) {
-		skey ^= bits;
-		page_set_storage_key(address, skey, 1);
-	}
+	if (bits & _PAGE_CHANGED)
+		page_set_storage_key(address, skey ^ bits, 1);
+	else if (bits)
+		page_reset_referenced(address);
 	/* Transfer page changed & referenced bit to guest bits in pgste */
 	pgste_val(pgste) |= bits << 48;		/* RCP_GR_BIT & RCP_GC_BIT */
 	/* Get host changed & referenced bits from pgste */
-- 
GitLab


From b934069c991355d27a053a932591c77960f4e414 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Thu, 1 Dec 2011 13:32:17 +0100
Subject: [PATCH 1088/1594] [S390] add missing .set function for
 NT_S390_LAST_BREAK regset

The last breaking event address is a read-only value, the regset misses the
.set function. If a PTRACE_SETREGSET is done for NT_S390_LAST_BREAK we
get an oops due to a branch to zero:

Kernel BUG at 0000000000000002 verbose debug info unavailable
illegal operation: 0001 #1 SMP
...
Call Trace:
(<0000000000158294> ptrace_regset+0x184/0x188)
 <00000000001595b6> ptrace_request+0x37a/0x4fc
 <0000000000109a78> arch_ptrace+0x108/0x1fc
 <00000000001590d6> SyS_ptrace+0xaa/0x12c
 <00000000005c7a42> sysc_noemu+0x16/0x1c
 <000003fffd5ec10c> 0x3fffd5ec10c
Last Breaking-Event-Address:
 <0000000000158242> ptrace_regset+0x132/0x188

Add a nop .set function to prevent the branch to zero.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: stable@kernel.org
---
 arch/s390/kernel/ptrace.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 450931a45b68..f05649fd0547 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -905,6 +905,14 @@ static int s390_last_break_get(struct task_struct *target,
 	return 0;
 }
 
+static int s390_last_break_set(struct task_struct *target,
+			       const struct user_regset *regset,
+			       unsigned int pos, unsigned int count,
+			       const void *kbuf, const void __user *ubuf)
+{
+	return 0;
+}
+
 #endif
 
 static int s390_system_call_get(struct task_struct *target,
@@ -951,6 +959,7 @@ static const struct user_regset s390_regsets[] = {
 		.size = sizeof(long),
 		.align = sizeof(long),
 		.get = s390_last_break_get,
+		.set = s390_last_break_set,
 	},
 #endif
 	[REGSET_SYSTEM_CALL] = {
@@ -1116,6 +1125,14 @@ static int s390_compat_last_break_get(struct task_struct *target,
 	return 0;
 }
 
+static int s390_compat_last_break_set(struct task_struct *target,
+				      const struct user_regset *regset,
+				      unsigned int pos, unsigned int count,
+				      const void *kbuf, const void __user *ubuf)
+{
+	return 0;
+}
+
 static const struct user_regset s390_compat_regsets[] = {
 	[REGSET_GENERAL] = {
 		.core_note_type = NT_PRSTATUS,
@@ -1139,6 +1156,7 @@ static const struct user_regset s390_compat_regsets[] = {
 		.size = sizeof(long),
 		.align = sizeof(long),
 		.get = s390_compat_last_break_get,
+		.set = s390_compat_last_break_set,
 	},
 	[REGSET_SYSTEM_CALL] = {
 		.core_note_type = NT_S390_SYSTEM_CALL,
-- 
GitLab


From cfc9066bcd3ab498268e1d075f1556bb5244c0aa Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Thu, 1 Dec 2011 13:32:18 +0100
Subject: [PATCH 1089/1594] [S390] remove reset of system call restart on psw
 changes

git commit 20b40a794baf3b4b "signal race with restarting system calls"
added code to the poke_user/poke_user_compat to reset the system call
restart information in the thread-info if the PSW address is changed.
The purpose of that change has been to workaround old gdbs that do
not know about the REGSET_SYSTEM_CALL. It turned out that this is not
a good idea, it makes the behaviour of the debuggee dependent on the
order of specific ptrace call, e.g. the REGSET_SYSTEM_CALL register
set needs to be written last. And the workaround does not really fix
old gdbs, inferior calls on interrupted restarting system calls do not
work either way.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/ptrace.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index f05649fd0547..573bc29551ef 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -296,13 +296,6 @@ static int __poke_user(struct task_struct *child, addr_t addr, addr_t data)
 		     ((data & PSW_MASK_EA) && !(data & PSW_MASK_BA))))
 			/* Invalid psw mask. */
 			return -EINVAL;
-		if (addr == (addr_t) &dummy->regs.psw.addr)
-			/*
-			 * The debugger changed the instruction address,
-			 * reset system call restart, see signal.c:do_signal
-			 */
-			task_thread_info(child)->system_call = 0;
-
 		*(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr) = data;
 
 	} else if (addr < (addr_t) (&dummy->regs.orig_gpr2)) {
@@ -614,11 +607,6 @@ static int __poke_user_compat(struct task_struct *child,
 			/* Transfer 31 bit amode bit to psw mask. */
 			regs->psw.mask = (regs->psw.mask & ~PSW_MASK_BA) |
 				(__u64)(tmp & PSW32_ADDR_AMODE);
-			/*
-			 * The debugger changed the instruction address,
-			 * reset system call restart, see signal.c:do_signal
-			 */
-			task_thread_info(child)->system_call = 0;
 		} else {
 			/* gpr 0-15 */
 			*(__u32*)((addr_t) &regs->psw + addr*2 + 4) = tmp;
-- 
GitLab


From 817e5000ebc4d448ca514db49b55073a724f8552 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Thu, 1 Dec 2011 13:32:19 +0100
Subject: [PATCH 1090/1594] [S390] hibernate: directly trigger subchannel
 evaluation

Using the generic css_schedule_eval to evaluate subchannels
while resuming from hibernation is very slow when used with
many devices. Provide a new evaluation trigger which exploits
css_sched_sch_todo and use this in the resume callback for
ccw devices.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/cio/cio.h    |   5 ++
 drivers/s390/cio/css.c    | 104 +++++++++++++++++++++-----------------
 drivers/s390/cio/device.c |   4 +-
 3 files changed, 66 insertions(+), 47 deletions(-)

diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 155a82bcb9e5..4a1ff5c2eb88 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -68,8 +68,13 @@ struct schib {
 	__u8 mda[4];		 /* model dependent area */
 } __attribute__ ((packed,aligned(4)));
 
+/*
+ * When rescheduled, todo's with higher values will overwrite those
+ * with lower values.
+ */
 enum sch_todo {
 	SCH_TODO_NOTHING,
+	SCH_TODO_EVAL,
 	SCH_TODO_UNREG,
 };
 
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 92d7324acb1c..21908e67bf67 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -195,51 +195,6 @@ void css_sch_device_unregister(struct subchannel *sch)
 }
 EXPORT_SYMBOL_GPL(css_sch_device_unregister);
 
-static void css_sch_todo(struct work_struct *work)
-{
-	struct subchannel *sch;
-	enum sch_todo todo;
-
-	sch = container_of(work, struct subchannel, todo_work);
-	/* Find out todo. */
-	spin_lock_irq(sch->lock);
-	todo = sch->todo;
-	CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
-		      sch->schid.sch_no, todo);
-	sch->todo = SCH_TODO_NOTHING;
-	spin_unlock_irq(sch->lock);
-	/* Perform todo. */
-	if (todo == SCH_TODO_UNREG)
-		css_sch_device_unregister(sch);
-	/* Release workqueue ref. */
-	put_device(&sch->dev);
-}
-
-/**
- * css_sched_sch_todo - schedule a subchannel operation
- * @sch: subchannel
- * @todo: todo
- *
- * Schedule the operation identified by @todo to be performed on the slow path
- * workqueue. Do nothing if another operation with higher priority is already
- * scheduled. Needs to be called with subchannel lock held.
- */
-void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
-{
-	CIO_MSG_EVENT(4, "sch_todo: sched sch=0.%x.%04x todo=%d\n",
-		      sch->schid.ssid, sch->schid.sch_no, todo);
-	if (sch->todo >= todo)
-		return;
-	/* Get workqueue ref. */
-	if (!get_device(&sch->dev))
-		return;
-	sch->todo = todo;
-	if (!queue_work(cio_work_q, &sch->todo_work)) {
-		/* Already queued, release workqueue ref. */
-		put_device(&sch->dev);
-	}
-}
-
 static void ssd_from_pmcw(struct chsc_ssd_info *ssd, struct pmcw *pmcw)
 {
 	int i;
@@ -466,6 +421,65 @@ static void css_evaluate_subchannel(struct subchannel_id schid, int slow)
 		css_schedule_eval(schid);
 }
 
+/**
+ * css_sched_sch_todo - schedule a subchannel operation
+ * @sch: subchannel
+ * @todo: todo
+ *
+ * Schedule the operation identified by @todo to be performed on the slow path
+ * workqueue. Do nothing if another operation with higher priority is already
+ * scheduled. Needs to be called with subchannel lock held.
+ */
+void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
+{
+	CIO_MSG_EVENT(4, "sch_todo: sched sch=0.%x.%04x todo=%d\n",
+		      sch->schid.ssid, sch->schid.sch_no, todo);
+	if (sch->todo >= todo)
+		return;
+	/* Get workqueue ref. */
+	if (!get_device(&sch->dev))
+		return;
+	sch->todo = todo;
+	if (!queue_work(cio_work_q, &sch->todo_work)) {
+		/* Already queued, release workqueue ref. */
+		put_device(&sch->dev);
+	}
+}
+
+static void css_sch_todo(struct work_struct *work)
+{
+	struct subchannel *sch;
+	enum sch_todo todo;
+	int ret;
+
+	sch = container_of(work, struct subchannel, todo_work);
+	/* Find out todo. */
+	spin_lock_irq(sch->lock);
+	todo = sch->todo;
+	CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
+		      sch->schid.sch_no, todo);
+	sch->todo = SCH_TODO_NOTHING;
+	spin_unlock_irq(sch->lock);
+	/* Perform todo. */
+	switch (todo) {
+	case SCH_TODO_NOTHING:
+		break;
+	case SCH_TODO_EVAL:
+		ret = css_evaluate_known_subchannel(sch, 1);
+		if (ret == -EAGAIN) {
+			spin_lock_irq(sch->lock);
+			css_sched_sch_todo(sch, todo);
+			spin_unlock_irq(sch->lock);
+		}
+		break;
+	case SCH_TODO_UNREG:
+		css_sch_device_unregister(sch);
+		break;
+	}
+	/* Release workqueue ref. */
+	put_device(&sch->dev);
+}
+
 static struct idset *slow_subchannel_set;
 static spinlock_t slow_subchannel_lock;
 static wait_queue_head_t css_eval_wq;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index d734f4a0ecac..47269858ecb6 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1868,9 +1868,9 @@ static void __ccw_device_pm_restore(struct ccw_device *cdev)
 	 */
 	cdev->private->flags.resuming = 1;
 	cdev->private->path_new_mask = LPM_ANYPATH;
-	css_schedule_eval(sch->schid);
+	css_sched_sch_todo(sch, SCH_TODO_EVAL);
 	spin_unlock_irq(sch->lock);
-	css_complete_work();
+	css_wait_for_slow_path();
 
 	/* cdev may have been moved to a different subchannel. */
 	sch = to_subchannel(cdev->dev.parent);
-- 
GitLab


From 659213b899f389d3a1e211796713ceaaa280fa44 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Thu, 1 Dec 2011 13:32:20 +0100
Subject: [PATCH 1091/1594] [S390] cio: disallow driver io for known to be
 broken paths

When a driver requests to do IO, we will adjust the mask of
paths to be used to exclude varied offline paths.

Drivers trying to do IO solely on paths which are online but some
way defective may lack the information to do proper error handling.

There is no reason to allow the usage of known to be broken paths.
Thus restrict the paths a ccw driver can use for IO to a subset of
the paths cio found usable (this also excludes offline paths).

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/cio/device_ops.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index f98698d5735e..41c21ad0d5f2 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -213,9 +213,9 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
 	ret = cio_set_options (sch, flags);
 	if (ret)
 		return ret;
-	/* Adjust requested path mask to excluded varied off paths. */
+	/* Adjust requested path mask to exclude unusable paths. */
 	if (lpm) {
-		lpm &= sch->opm;
+		lpm &= sch->lpm;
 		if (lpm == 0)
 			return -EACCES;
 	}
@@ -607,9 +607,9 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
 		return -EINVAL;
 	if (cdev->private->state != DEV_STATE_ONLINE)
 		return -EIO;
-	/* Adjust requested path mask to excluded varied off paths. */
+	/* Adjust requested path mask to exclude unusable paths. */
 	if (lpm) {
-		lpm &= sch->opm;
+		lpm &= sch->lpm;
 		if (lpm == 0)
 			return -EACCES;
 	}
-- 
GitLab


From 50c8e31f38f380f04885c66bde0bc4c946e786ee Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Thu, 1 Dec 2011 13:32:21 +0100
Subject: [PATCH 1092/1594] [S390] cio: provide fake irb for transport mode IO

If a driver wants to do command mode IO while CIO is doing
online path verification we ignore this request and provide
a fake irb when we are done and the driver can do IO again.

For transport mode IO we have no such mechanism, giving the
driver no other chance then to retry the action until we are
done. This is not very reliable.

Provide a fake irb for transport mode IO as well.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/cio/device_fsm.c | 30 ++++++++++++++++++++++--------
 drivers/s390/cio/device_ops.c | 12 +++++++++++-
 drivers/s390/cio/io_sch.h     |  5 ++++-
 3 files changed, 37 insertions(+), 10 deletions(-)

diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 52c233fa2b12..1b853513c891 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -496,8 +496,26 @@ static void ccw_device_reset_path_events(struct ccw_device *cdev)
 	cdev->private->pgid_reset_mask = 0;
 }
 
-void
-ccw_device_verify_done(struct ccw_device *cdev, int err)
+static void create_fake_irb(struct irb *irb, int type)
+{
+	memset(irb, 0, sizeof(*irb));
+	if (type == FAKE_CMD_IRB) {
+		struct cmd_scsw *scsw = &irb->scsw.cmd;
+		scsw->cc = 1;
+		scsw->fctl = SCSW_FCTL_START_FUNC;
+		scsw->actl = SCSW_ACTL_START_PEND;
+		scsw->stctl = SCSW_STCTL_STATUS_PEND;
+	} else if (type == FAKE_TM_IRB) {
+		struct tm_scsw *scsw = &irb->scsw.tm;
+		scsw->x = 1;
+		scsw->cc = 1;
+		scsw->fctl = SCSW_FCTL_START_FUNC;
+		scsw->actl = SCSW_ACTL_START_PEND;
+		scsw->stctl = SCSW_STCTL_STATUS_PEND;
+	}
+}
+
+void ccw_device_verify_done(struct ccw_device *cdev, int err)
 {
 	struct subchannel *sch;
 
@@ -520,12 +538,8 @@ callback:
 		ccw_device_done(cdev, DEV_STATE_ONLINE);
 		/* Deliver fake irb to device driver, if needed. */
 		if (cdev->private->flags.fake_irb) {
-			memset(&cdev->private->irb, 0, sizeof(struct irb));
-			cdev->private->irb.scsw.cmd.cc = 1;
-			cdev->private->irb.scsw.cmd.fctl = SCSW_FCTL_START_FUNC;
-			cdev->private->irb.scsw.cmd.actl = SCSW_ACTL_START_PEND;
-			cdev->private->irb.scsw.cmd.stctl =
-				SCSW_STCTL_STATUS_PEND;
+			create_fake_irb(&cdev->private->irb,
+					cdev->private->flags.fake_irb);
 			cdev->private->flags.fake_irb = 0;
 			if (cdev->handler)
 				cdev->handler(cdev, cdev->private->intparm,
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 41c21ad0d5f2..ec7fb6d3b479 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -198,7 +198,7 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
 	if (cdev->private->state == DEV_STATE_VERIFY) {
 		/* Remember to fake irb when finished. */
 		if (!cdev->private->flags.fake_irb) {
-			cdev->private->flags.fake_irb = 1;
+			cdev->private->flags.fake_irb = FAKE_CMD_IRB;
 			cdev->private->intparm = intparm;
 			return 0;
 		} else
@@ -605,6 +605,16 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
 	sch = to_subchannel(cdev->dev.parent);
 	if (!sch->schib.pmcw.ena)
 		return -EINVAL;
+	if (cdev->private->state == DEV_STATE_VERIFY) {
+		/* Remember to fake irb when finished. */
+		if (!cdev->private->flags.fake_irb) {
+			cdev->private->flags.fake_irb = FAKE_TM_IRB;
+			cdev->private->intparm = intparm;
+			return 0;
+		} else
+			/* There's already a fake I/O around. */
+			return -EBUSY;
+	}
 	if (cdev->private->state != DEV_STATE_ONLINE)
 		return -EIO;
 	/* Adjust requested path mask to exclude unusable paths. */
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index 2ebb492a5c17..76253dfcc1be 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -111,6 +111,9 @@ enum cdev_todo {
 	CDEV_TODO_UNREG_EVAL,
 };
 
+#define FAKE_CMD_IRB	1
+#define FAKE_TM_IRB	2
+
 struct ccw_device_private {
 	struct ccw_device *cdev;
 	struct subchannel *sch;
@@ -138,7 +141,7 @@ struct ccw_device_private {
 		unsigned int doverify:1;    /* delayed path verification */
 		unsigned int donotify:1;    /* call notify function */
 		unsigned int recog_done:1;  /* dev. recog. complete */
-		unsigned int fake_irb:1;    /* deliver faked irb */
+		unsigned int fake_irb:2;    /* deliver faked irb */
 		unsigned int resuming:1;    /* recognition while resume */
 		unsigned int pgroup:1;	    /* pathgroup is set up */
 		unsigned int mpath:1;	    /* multipathing is set up */
-- 
GitLab


From 3b484ec648490518dd16ed7d8f02206a39539a59 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Thu, 1 Dec 2011 13:32:22 +0100
Subject: [PATCH 1093/1594] [S390] cio: fix chsc_chp_vary

The functions called by chsc_chp_vary operate on pointers to channel
path ids not channel path links. (This worked by chance since the id
is the first member of the link structure)

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/cio/chsc.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 75c3f1f8fd43..a84631a7391d 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -529,10 +529,7 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data)
 int chsc_chp_vary(struct chp_id chpid, int on)
 {
 	struct channel_path *chp = chpid_to_chp(chpid);
-	struct chp_link link;
 
-	memset(&link, 0, sizeof(struct chp_link));
-	link.chpid = chpid;
 	/* Wait until previous actions have settled. */
 	css_wait_for_slow_path();
 	/*
@@ -542,10 +539,10 @@ int chsc_chp_vary(struct chp_id chpid, int on)
 		/* Try to update the channel path descritor. */
 		chsc_determine_base_channel_path_desc(chpid, &chp->desc);
 		for_each_subchannel_staged(s390_subchannel_vary_chpid_on,
-					   __s390_vary_chpid_on, &link);
+					   __s390_vary_chpid_on, &chpid);
 	} else
 		for_each_subchannel_staged(s390_subchannel_vary_chpid_off,
-					   NULL, &link);
+					   NULL, &chpid);
 
 	return 0;
 }
-- 
GitLab


From 75464960fc0ccc505527edc1459c8ad191fbc0cc Mon Sep 17 00:00:00 2001
From: Holger Dengler <hd@linux.vnet.ibm.com>
Date: Thu, 1 Dec 2011 13:32:23 +0100
Subject: [PATCH 1094/1594] [S390] ap: Setup timer for sending messages after
 reset.

Setup timer for processing messages in request queue after a
successful AP bus device reset.

Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/crypto/ap_bus.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index ec94f049e995..96bbe9d12a79 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1552,6 +1552,8 @@ static void ap_reset(struct ap_device *ap_dev)
 	rc = ap_init_queue(ap_dev->qid);
 	if (rc == -ENODEV)
 		ap_dev->unregistered = 1;
+	else
+		__ap_schedule_poll_timer();
 }
 
 static int __ap_poll_device(struct ap_device *ap_dev, unsigned long *flags)
-- 
GitLab


From f4a8e6563ea5366f563cb741a27fe90c5fa7f0fc Mon Sep 17 00:00:00 2001
From: Jan Schmidt <list.btrfs@jan-o-sch.net>
Date: Thu, 1 Dec 2011 09:30:36 -0500
Subject: [PATCH 1095/1594] Btrfs: fix meta data raid-repair merge problem

Commit 4a54c8c16 introduced raid-repair, killing the individual
readpage_io_failed_hook entries from inode.c and disk-io.c. Commit
4bb31e92 introduced new readahead code, adding a readpage_io_failed_hook to
disk-io.c.

The raid-repair commit had logic to disable raid-repair, if
readpage_io_failed_hook is set. Thus, the readahead commit effectively
disabled raid-repair for meta data.

This commit changes the logic to always attempt raid-repair when needed and
call the readpage_io_failed_hook in case raid-repair fails. This is much
more straight forward and should have been like that from the beginning.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Reported-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent_io.c | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9472d3de5e52..be1bf627a14b 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2287,14 +2287,20 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
 		if (!uptodate) {
 			int failed_mirror;
 			failed_mirror = (int)(unsigned long)bio->bi_bdev;
-			if (tree->ops && tree->ops->readpage_io_failed_hook)
-				ret = tree->ops->readpage_io_failed_hook(
-						bio, page, start, end,
-						failed_mirror, state);
-			else
-				ret = bio_readpage_error(bio, page, start, end,
-							 failed_mirror, NULL);
+			/*
+			 * The generic bio_readpage_error handles errors the
+			 * following way: If possible, new read requests are
+			 * created and submitted and will end up in
+			 * end_bio_extent_readpage as well (if we're lucky, not
+			 * in the !uptodate case). In that case it returns 0 and
+			 * we just go on with the next page in our bio. If it
+			 * can't handle the error it will return -EIO and we
+			 * remain responsible for that page.
+			 */
+			ret = bio_readpage_error(bio, page, start, end,
+							failed_mirror, NULL);
 			if (ret == 0) {
+error_handled:
 				uptodate =
 					test_bit(BIO_UPTODATE, &bio->bi_flags);
 				if (err)
@@ -2302,6 +2308,13 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
 				uncache_state(&cached);
 				continue;
 			}
+			if (tree->ops && tree->ops->readpage_io_failed_hook) {
+				ret = tree->ops->readpage_io_failed_hook(
+							bio, page, start, end,
+							failed_mirror, state);
+				if (ret == 0)
+					goto error_handled;
+			}
 		}
 
 		if (uptodate) {
-- 
GitLab


From 03360c5a405999d605ffc7373a7b90f3388db92e Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Thu, 1 Dec 2011 10:44:17 -0500
Subject: [PATCH 1096/1594] Revert "mac80211: clear sta.drv_priv on
 reconfiguration"

This reverts commit f785d83a19bca326f79d127a413e35769afc0105.

This was provoking WARNINGs from the iwlegacy drivers.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/util.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 0c9490722aa5..6719bce4a081 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1038,7 +1038,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 					     struct ieee80211_sub_if_data,
 					     u.ap);
 
-			memset(&sta->sta.drv_priv, 0, hw->sta_data_size);
 			WARN_ON(drv_sta_add(local, sdata, &sta->sta));
 		}
 	}
-- 
GitLab


From 2ed4d9d648cbd4fb1c232a646dbdbdfdd373ca94 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 1 Dec 2011 11:02:11 -0500
Subject: [PATCH 1097/1594] drm/radeon/kms: add some new pci ids

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 include/drm/drm_pciids.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index f81676f1b310..4e4fbb820e20 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -197,6 +197,14 @@
 	{0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6840, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6841, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6842, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6843, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6849, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6858, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6859, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6880, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6888, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6889, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
-- 
GitLab


From 158886cd2cf4599e04f9b7e10cb767f5f39b14f1 Mon Sep 17 00:00:00 2001
From: Andiry Xu <andiry.xu@amd.com>
Date: Wed, 30 Nov 2011 16:37:41 +0800
Subject: [PATCH 1098/1594] xHCI: fix bug in xhci_clear_command_ring()

When system enters suspend, xHCI driver clears command ring by writing zero
to all the TRBs. However, this also writes zero to the Link TRB, and the ring
is mangled. This may cause driver accesses wrong memory address and the
result is unpredicted.

When clear the command ring, keep the last Link TRB intact, only clear its
cycle bit. This should fix the "command ring full" issue reported by Oliver
Neukum.

This should be backported to stable kernels as old as 2.6.37, since the
commit 89821320 "xhci: Fix command ring replay after resume" is merged.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: Oliver Neukum <oneukum@suse.de>
---
 drivers/usb/host/xhci.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index aa94c0195791..a1afb7c39f7e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -711,7 +711,10 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
 	ring = xhci->cmd_ring;
 	seg = ring->deq_seg;
 	do {
-		memset(seg->trbs, 0, SEGMENT_SIZE);
+		memset(seg->trbs, 0,
+			sizeof(union xhci_trb) * (TRBS_PER_SEGMENT - 1));
+		seg->trbs[TRBS_PER_SEGMENT - 1].link.control &=
+			cpu_to_le32(~TRB_CYCLE);
 		seg = seg->next;
 	} while (seg != ring->deq_seg);
 
-- 
GitLab


From efbc368dcc6426d5430b9b8eeda944cf2cb74b8c Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 1 Dec 2011 13:38:59 -0500
Subject: [PATCH 1099/1594] ipv4: Perform peer validation on cached route
 lookup.

Otherwise we won't notice the peer GENID change.

Reported-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 57e01bc60947..ca5e237df029 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1693,12 +1693,8 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
 }
 
 
-static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
+static struct rtable *ipv4_validate_peer(struct rtable *rt)
 {
-	struct rtable *rt = (struct rtable *) dst;
-
-	if (rt_is_expired(rt))
-		return NULL;
 	if (rt->rt_peer_genid != rt_peer_genid()) {
 		struct inet_peer *peer;
 
@@ -1707,19 +1703,29 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 
 		peer = rt->peer;
 		if (peer) {
-			check_peer_pmtu(dst, peer);
+			check_peer_pmtu(&rt->dst, peer);
 
 			if (peer->redirect_genid != redirect_genid)
 				peer->redirect_learned.a4 = 0;
 			if (peer->redirect_learned.a4 &&
 			    peer->redirect_learned.a4 != rt->rt_gateway) {
-				if (check_peer_redir(dst, peer))
+				if (check_peer_redir(&rt->dst, peer))
 					return NULL;
 			}
 		}
 
 		rt->rt_peer_genid = rt_peer_genid();
 	}
+	return rt;
+}
+
+static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
+{
+	struct rtable *rt = (struct rtable *) dst;
+
+	if (rt_is_expired(rt))
+		return NULL;
+	dst = (struct dst_entry *) ipv4_validate_peer(rt);
 	return dst;
 }
 
@@ -2374,6 +2380,9 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 		    rth->rt_mark == skb->mark &&
 		    net_eq(dev_net(rth->dst.dev), net) &&
 		    !rt_is_expired(rth)) {
+			rth = ipv4_validate_peer(rth);
+			if (!rth)
+				continue;
 			if (noref) {
 				dst_use_noref(&rth->dst, jiffies);
 				skb_dst_set_noref(skb, &rth->dst);
@@ -2749,6 +2758,9 @@ struct rtable *__ip_route_output_key(struct net *net, struct flowi4 *flp4)
 			    (IPTOS_RT_MASK | RTO_ONLINK)) &&
 		    net_eq(dev_net(rth->dst.dev), net) &&
 		    !rt_is_expired(rth)) {
+			rth = ipv4_validate_peer(rth);
+			if (!rth)
+				continue;
 			dst_use(&rth->dst, jiffies);
 			RT_CACHE_STAT_INC(out_hit);
 			rcu_read_unlock_bh();
-- 
GitLab


From 0de13500ad1d8a66b7dc1e7fa517ea15a2625c9e Mon Sep 17 00:00:00 2001
From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Thu, 1 Dec 2011 10:30:16 -0800
Subject: [PATCH 1100/1594] Revert "xHCI: reset-on-resume quirk for NEC
 uPD720200"

This reverts commit df711fc9962b9491af2b92bd0d21ecbfefe4e5fa.

The commit added a reset-on-resume quirk because the NEC chipset stopped
responding to commands about 30 minutes after a system resume from
suspend.  We thought it was a chipset issue, but it turns out that the
xHCI driver was zeroing out the link TRB after a successful context
restore during resume.  The host controller would fall off the command
ring sometime later, causing it to not respond to new commands.

The link TRB issue has been fixed with commit
158886cd2cf4599e04f9b7e10cb767f5f39b14f1 "xHCI: fix bug in
xhci_clear_command_ring()", so revert the reset-on-resume quirk, as it's
not necessary.

Commit df711fc9962b9491af2b92bd0d21ecbfefe4e5fa was marked for stable
trees back to 2.6.37, but according to my mail, it has not made it into
Linus' tree or the stable trees yet.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Julian Sikorski <belegdol@gmail.com>
Cc: Andiry Xu <andiry.xu@amd.com>
---
 drivers/usb/host/xhci-pci.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index d2a7332daca4..ef98b38626fb 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -33,8 +33,6 @@
 #define PCI_VENDOR_ID_ETRON		0x1b6f
 #define PCI_DEVICE_ID_ASROCK_P67	0x7023
 
-#define PCI_DEVICE_ID_NEC_uPD720200	0x0194
-
 static const char hcd_name[] = "xhci_hcd";
 
 /* called after powerup, by probe or system-pm "wakeup" */
@@ -76,11 +74,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 				pdev->revision);
 	}
 
-	if (pdev->vendor == PCI_VENDOR_ID_NEC) {
+	if (pdev->vendor == PCI_VENDOR_ID_NEC)
 		xhci->quirks |= XHCI_NEC_HOST;
-		if (pdev->device == PCI_DEVICE_ID_NEC_uPD720200)
-			xhci->quirks |= XHCI_RESET_ON_RESUME;
-	}
 
 	if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96)
 		xhci->quirks |= XHCI_AMD_0x96_HOST;
-- 
GitLab


From 307369b0ca06b27b511b61714e335ddfccf19c4f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcin=20Ko=C5=9Bcielnicki?= <koriakin@0x04.net>
Date: Wed, 30 Nov 2011 17:01:04 +0100
Subject: [PATCH 1101/1594] usb: ftdi_sio: add PID for Propox ISPcable III
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/ftdi_sio.c     | 1 +
 drivers/usb/serial/ftdi_sio_ids.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index bd4298bb6750..ff3db5d056a5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -736,6 +736,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 571fa96b49c7..055b64ef0bba 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -112,6 +112,7 @@
 
 /* Propox devices */
 #define FTDI_PROPOX_JTAGCABLEII_PID	0xD738
+#define FTDI_PROPOX_ISPCABLEIII_PID	0xD739
 
 /* Lenz LI-USB Computer Interface. */
 #define FTDI_LENZ_LIUSB_PID	0xD780
-- 
GitLab


From 7fdcf13b292e8b2e38e42de24be2503e37b2cf97 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 1 Dec 2011 14:00:15 -0500
Subject: [PATCH 1102/1594] SUNRPC: Fix the execution time statistics in the
 face of RPC restarts

If the rpc_task gets restarted, then we want to ensure that we don't
double-count the execution time statistics, timeout data, etc.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 net/sunrpc/sched.c | 30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)

diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index d12ffa545811..00a1a2acd587 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -590,6 +590,27 @@ void rpc_prepare_task(struct rpc_task *task)
 	task->tk_ops->rpc_call_prepare(task, task->tk_calldata);
 }
 
+static void
+rpc_init_task_statistics(struct rpc_task *task)
+{
+	/* Initialize retry counters */
+	task->tk_garb_retry = 2;
+	task->tk_cred_retry = 2;
+	task->tk_rebind_retry = 2;
+
+	/* starting timestamp */
+	task->tk_start = ktime_get();
+}
+
+static void
+rpc_reset_task_statistics(struct rpc_task *task)
+{
+	task->tk_timeouts = 0;
+	task->tk_flags &= ~(RPC_CALL_MAJORSEEN|RPC_TASK_KILLED|RPC_TASK_SENT);
+
+	rpc_init_task_statistics(task);
+}
+
 /*
  * Helper that calls task->tk_ops->rpc_call_done if it exists
  */
@@ -602,6 +623,7 @@ void rpc_exit_task(struct rpc_task *task)
 			WARN_ON(RPC_ASSASSINATED(task));
 			/* Always release the RPC slot and buffer memory */
 			xprt_release(task);
+			rpc_reset_task_statistics(task);
 		}
 	}
 }
@@ -804,11 +826,6 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
 	task->tk_calldata = task_setup_data->callback_data;
 	INIT_LIST_HEAD(&task->tk_task);
 
-	/* Initialize retry counters */
-	task->tk_garb_retry = 2;
-	task->tk_cred_retry = 2;
-	task->tk_rebind_retry = 2;
-
 	task->tk_priority = task_setup_data->priority - RPC_PRIORITY_LOW;
 	task->tk_owner = current->tgid;
 
@@ -818,8 +835,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
 	if (task->tk_ops->rpc_call_prepare != NULL)
 		task->tk_action = rpc_prepare_task;
 
-	/* starting timestamp */
-	task->tk_start = ktime_get();
+	rpc_init_task_statistics(task);
 
 	dprintk("RPC:       new task initialized, procpid %u\n",
 				task_pid_nr(current));
-- 
GitLab


From b03b6dd58cef7d15b7c46a6729b83dd535ef08ab Mon Sep 17 00:00:00 2001
From: Vitalii Demianets <vitas@nppfactor.kiev.ua>
Date: Fri, 25 Nov 2011 00:16:37 +0000
Subject: [PATCH 1103/1594] bridge: master device stuck in no-carrier state
 forever when in user-stp mode

When in user-stp mode, bridge master do not follow state of its slaves, so
after the following sequence of events it can stuck forever in no-carrier
state:
1) turn stp off
2) put all slaves down - master device will follow their state and also go in
no-carrier state
3) turn stp on with bridge-stp script returning 0 (go to the user-stp mode)
Now bridge master won't follow slaves' state and will never reach running
state.

This patch solves the problem by making user-stp and kernel-stp behavior
similar regarding master following slaves' states.

Signed-off-by: Vitalii Demianets <vitas@nppfactor.kiev.ua>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_netlink.c |  6 ++++++
 net/bridge/br_stp.c     | 29 ++++++++++++++---------------
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index e5f9ece3c9a0..a1daf8227ed1 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -18,6 +18,7 @@
 #include <net/sock.h>
 
 #include "br_private.h"
+#include "br_private_stp.h"
 
 static inline size_t br_nlmsg_size(void)
 {
@@ -188,6 +189,11 @@ static int br_rtm_setlink(struct sk_buff *skb,  struct nlmsghdr *nlh, void *arg)
 
 	p->state = new_state;
 	br_log_state(p);
+
+	spin_lock_bh(&p->br->lock);
+	br_port_state_selection(p->br);
+	spin_unlock_bh(&p->br->lock);
+
 	br_ifinfo_notify(RTM_NEWLINK, p);
 
 	return 0;
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index ad0a3f7cf6cc..dd147d78a588 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -399,25 +399,24 @@ void br_port_state_selection(struct net_bridge *br)
 	struct net_bridge_port *p;
 	unsigned int liveports = 0;
 
-	/* Don't change port states if userspace is handling STP */
-	if (br->stp_enabled == BR_USER_STP)
-		return;
-
 	list_for_each_entry(p, &br->port_list, list) {
 		if (p->state == BR_STATE_DISABLED)
 			continue;
 
-		if (p->port_no == br->root_port) {
-			p->config_pending = 0;
-			p->topology_change_ack = 0;
-			br_make_forwarding(p);
-		} else if (br_is_designated_port(p)) {
-			del_timer(&p->message_age_timer);
-			br_make_forwarding(p);
-		} else {
-			p->config_pending = 0;
-			p->topology_change_ack = 0;
-			br_make_blocking(p);
+		/* Don't change port states if userspace is handling STP */
+		if (br->stp_enabled != BR_USER_STP) {
+			if (p->port_no == br->root_port) {
+				p->config_pending = 0;
+				p->topology_change_ack = 0;
+				br_make_forwarding(p);
+			} else if (br_is_designated_port(p)) {
+				del_timer(&p->message_age_timer);
+				br_make_forwarding(p);
+			} else {
+				p->config_pending = 0;
+				p->topology_change_ack = 0;
+				br_make_blocking(p);
+			}
 		}
 
 		if (p->state == BR_STATE_FORWARDING)
-- 
GitLab


From 59c2cdae2791c0b2ee13d148edc6b771e7e7953f Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 1 Dec 2011 14:12:55 -0500
Subject: [PATCH 1104/1594] Revert "udp: remove redundant variable"

This reverts commit 81d54ec8479a2c695760da81f05b5a9fb2dbe40a.

If we take the "try_again" goto, due to a checksum error,
the 'len' has already been truncated.  So we won't compute
the same values as the original code did.

Reported-by: paul bilke <fsmail@conspiracy.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/udp.c | 15 ++++++++-------
 net/ipv6/udp.c | 15 ++++++++-------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ab0966df1e2a..5a65eeac1d29 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1164,7 +1164,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	struct inet_sock *inet = inet_sk(sk);
 	struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
 	struct sk_buff *skb;
-	unsigned int ulen;
+	unsigned int ulen, copied;
 	int peeked;
 	int err;
 	int is_udplite = IS_UDPLITE(sk);
@@ -1186,9 +1186,10 @@ try_again:
 		goto out;
 
 	ulen = skb->len - sizeof(struct udphdr);
-	if (len > ulen)
-		len = ulen;
-	else if (len < ulen)
+	copied = len;
+	if (copied > ulen)
+		copied = ulen;
+	else if (copied < ulen)
 		msg->msg_flags |= MSG_TRUNC;
 
 	/*
@@ -1197,14 +1198,14 @@ try_again:
 	 * coverage checksum (UDP-Lite), do it before the copy.
 	 */
 
-	if (len < ulen || UDP_SKB_CB(skb)->partial_cov) {
+	if (copied < ulen || UDP_SKB_CB(skb)->partial_cov) {
 		if (udp_lib_checksum_complete(skb))
 			goto csum_copy_err;
 	}
 
 	if (skb_csum_unnecessary(skb))
 		err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr),
-					      msg->msg_iov, len);
+					      msg->msg_iov, copied);
 	else {
 		err = skb_copy_and_csum_datagram_iovec(skb,
 						       sizeof(struct udphdr),
@@ -1233,7 +1234,7 @@ try_again:
 	if (inet->cmsg_flags)
 		ip_cmsg_recv(msg, skb);
 
-	err = len;
+	err = copied;
 	if (flags & MSG_TRUNC)
 		err = ulen;
 
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 846f4757eb8d..8c2541915183 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -340,7 +340,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct inet_sock *inet = inet_sk(sk);
 	struct sk_buff *skb;
-	unsigned int ulen;
+	unsigned int ulen, copied;
 	int peeked;
 	int err;
 	int is_udplite = IS_UDPLITE(sk);
@@ -363,9 +363,10 @@ try_again:
 		goto out;
 
 	ulen = skb->len - sizeof(struct udphdr);
-	if (len > ulen)
-		len = ulen;
-	else if (len < ulen)
+	copied = len;
+	if (copied > ulen)
+		copied = ulen;
+	else if (copied < ulen)
 		msg->msg_flags |= MSG_TRUNC;
 
 	is_udp4 = (skb->protocol == htons(ETH_P_IP));
@@ -376,14 +377,14 @@ try_again:
 	 * coverage checksum (UDP-Lite), do it before the copy.
 	 */
 
-	if (len < ulen || UDP_SKB_CB(skb)->partial_cov) {
+	if (copied < ulen || UDP_SKB_CB(skb)->partial_cov) {
 		if (udp_lib_checksum_complete(skb))
 			goto csum_copy_err;
 	}
 
 	if (skb_csum_unnecessary(skb))
 		err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr),
-					      msg->msg_iov,len);
+					      msg->msg_iov, copied       );
 	else {
 		err = skb_copy_and_csum_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov);
 		if (err == -EINVAL)
@@ -432,7 +433,7 @@ try_again:
 			datagram_recv_ctl(sk, msg, skb);
 	}
 
-	err = len;
+	err = copied;
 	if (flags & MSG_TRUNC)
 		err = ulen;
 
-- 
GitLab


From c25573b5134294c0be82bfaecc6d08136835b271 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 1 Dec 2011 14:16:17 -0500
Subject: [PATCH 1105/1594] SUNRPC: Ensure we always bump the backlog queue in
 xprt_free_slot

Whenever we free a slot, we know that the resulting xprt->num_reqs will
be less than xprt->max_reqs, so we know that we can release at least one
backlogged rpc_task.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org [>=3.1]
---
 net/sunrpc/xprt.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index f4385e45a5fc..c64c0ef519b5 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -995,13 +995,11 @@ out_init_req:
 
 static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
 {
-	if (xprt_dynamic_free_slot(xprt, req))
-		return;
-
-	memset(req, 0, sizeof(*req));	/* mark unused */
-
 	spin_lock(&xprt->reserve_lock);
-	list_add(&req->rq_list, &xprt->free);
+	if (!xprt_dynamic_free_slot(xprt, req)) {
+		memset(req, 0, sizeof(*req));	/* mark unused */
+		list_add(&req->rq_list, &xprt->free);
+	}
 	rpc_wake_up_next(&xprt->backlog);
 	spin_unlock(&xprt->reserve_lock);
 }
-- 
GitLab


From 4f38e4aadcca319650c0de31edf7193d7c384de2 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 1 Dec 2011 16:31:34 -0500
Subject: [PATCH 1106/1594] NFSv4: Don't error if we handled it in
 nfs4_recovery_handle_error

If we handled an error condition, then nfs4_recovery_handle_error should
return '0' so that the state recovery thread can continue.
Also ensure that nfs4_check_lease() continues to abort if we haven't got
any credentials by having it return ENOKEY (which is not handled).

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/nfs4state.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 39914be40b03..1da95e3947bb 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1350,12 +1350,14 @@ static void nfs4_warn_keyexpired(const char *s)
 static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
 {
 	switch (error) {
+		case 0:
+			break;
 		case -NFS4ERR_CB_PATH_DOWN:
 			nfs_handle_cb_pathdown(clp);
-			return 0;
+			break;
 		case -NFS4ERR_NO_GRACE:
 			nfs4_state_end_reclaim_reboot(clp);
-			return 0;
+			break;
 		case -NFS4ERR_STALE_CLIENTID:
 		case -NFS4ERR_LEASE_MOVED:
 			set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
@@ -1375,13 +1377,15 @@ static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
 		case -NFS4ERR_SEQ_MISORDERED:
 			set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
 			/* Zero session reset errors */
-			return 0;
+			break;
 		case -EKEYEXPIRED:
 			/* Nothing we can do */
 			nfs4_warn_keyexpired(clp->cl_hostname);
-			return 0;
+			break;
+		default:
+			return error;
 	}
-	return error;
+	return 0;
 }
 
 static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recovery_ops *ops)
@@ -1428,7 +1432,7 @@ static int nfs4_check_lease(struct nfs_client *clp)
 	struct rpc_cred *cred;
 	const struct nfs4_state_maintenance_ops *ops =
 		clp->cl_mvops->state_renewal_ops;
-	int status = -NFS4ERR_EXPIRED;
+	int status;
 
 	/* Is the client already known to have an expired lease? */
 	if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
@@ -1438,6 +1442,7 @@ static int nfs4_check_lease(struct nfs_client *clp)
 	spin_unlock(&clp->cl_lock);
 	if (cred == NULL) {
 		cred = nfs4_get_setclientid_cred(clp);
+		status = -ENOKEY;
 		if (cred == NULL)
 			goto out;
 	}
@@ -1662,10 +1667,10 @@ static void nfs4_state_manager(struct nfs_client *clp)
 
 		if (test_and_clear_bit(NFS4CLNT_CHECK_LEASE, &clp->cl_state)) {
 			status = nfs4_check_lease(clp);
+			if (status < 0)
+				goto out_error;
 			if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
 				continue;
-			if (status < 0 && status != -NFS4ERR_CB_PATH_DOWN)
-				goto out_error;
 		}
 
 		/* Initialize or reset the session */
-- 
GitLab


From 111d489f0fb431f4ae85d96851fbf8d3248c09d8 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 1 Dec 2011 16:37:42 -0500
Subject: [PATCH 1107/1594] NFSv4.1: Ensure that we handle _all_ SEQUENCE
 status bits.

Currently, the code assumes that the SEQUENCE status bits are mutually
exclusive. They are not...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org [>= 2.6.34]
---
 fs/nfs/nfs4state.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 1da95e3947bb..da8d73ed9e0f 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1530,16 +1530,16 @@ void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags)
 {
 	if (!flags)
 		return;
-	else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
+	if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
 		nfs41_handle_server_reboot(clp);
-	else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
+	if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
 			    SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED |
 			    SEQ4_STATUS_ADMIN_STATE_REVOKED |
 			    SEQ4_STATUS_LEASE_MOVED))
 		nfs41_handle_state_revoked(clp);
-	else if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
+	if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
 		nfs41_handle_recallable_state_revoked(clp);
-	else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
+	if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
 			    SEQ4_STATUS_BACKCHANNEL_FAULT |
 			    SEQ4_STATUS_CB_PATH_DOWN_SESSION))
 		nfs41_handle_cb_path_down(clp);
-- 
GitLab


From 939255798a468e1a92f03546de6e87be7b491e57 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Tue, 15 Nov 2011 14:56:34 -0800
Subject: [PATCH 1108/1594] ocfs2: avoid unaligned access to dqc_bitmap

The dqc_bitmap field of struct ocfs2_local_disk_chunk is 32-bit aligned,
but not 64-bit aligned.  The dqc_bitmap is accessed by ocfs2_set_bit(),
ocfs2_clear_bit(), ocfs2_test_bit(), or ocfs2_find_next_zero_bit().  These
are wrapper macros for ext2_*_bit() which need to take an unsigned long
aligned address (though some architectures are able to handle unaligned
address correctly)

So some 64bit architectures may not be able to access the dqc_bitmap
correctly.

This avoids such unaligned access by using another wrapper functions for
ext2_*_bit().  The code is taken from fs/ext4/mballoc.c which also need to
handle unaligned bitmap access.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
---
 fs/ocfs2/ocfs2.h       | 47 ++++++++++++++++++++++++++++++++++++++++++
 fs/ocfs2/quota_local.c | 10 ++++-----
 2 files changed, 52 insertions(+), 5 deletions(-)

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index bcde467acca3..d355e6e36b36 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -849,5 +849,52 @@ static inline void _ocfs2_clear_bit(unsigned int bit, unsigned long *bitmap)
 #define ocfs2_test_bit test_bit_le
 #define ocfs2_find_next_zero_bit find_next_zero_bit_le
 #define ocfs2_find_next_bit find_next_bit_le
+
+static inline void *correct_addr_and_bit_unaligned(int *bit, void *addr)
+{
+#if BITS_PER_LONG == 64
+	*bit += ((unsigned long) addr & 7UL) << 3;
+	addr = (void *) ((unsigned long) addr & ~7UL);
+#elif BITS_PER_LONG == 32
+	*bit += ((unsigned long) addr & 3UL) << 3;
+	addr = (void *) ((unsigned long) addr & ~3UL);
+#else
+#error "how many bits you are?!"
+#endif
+	return addr;
+}
+
+static inline void ocfs2_set_bit_unaligned(int bit, void *bitmap)
+{
+	bitmap = correct_addr_and_bit_unaligned(&bit, bitmap);
+	ocfs2_set_bit(bit, bitmap);
+}
+
+static inline void ocfs2_clear_bit_unaligned(int bit, void *bitmap)
+{
+	bitmap = correct_addr_and_bit_unaligned(&bit, bitmap);
+	ocfs2_clear_bit(bit, bitmap);
+}
+
+static inline int ocfs2_test_bit_unaligned(int bit, void *bitmap)
+{
+	bitmap = correct_addr_and_bit_unaligned(&bit, bitmap);
+	return ocfs2_test_bit(bit, bitmap);
+}
+
+static inline int ocfs2_find_next_zero_bit_unaligned(void *bitmap, int max,
+							int start)
+{
+	int fix = 0, ret, tmpmax;
+	bitmap = correct_addr_and_bit_unaligned(&fix, bitmap);
+	tmpmax = max + fix;
+	start += fix;
+
+	ret = ocfs2_find_next_zero_bit(bitmap, tmpmax, start) - fix;
+	if (ret > max)
+		return max;
+	return ret;
+}
+
 #endif  /* OCFS2_H */
 
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 942fd65bdad3..f100bf70a906 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -551,8 +551,8 @@ static int ocfs2_recover_local_quota_file(struct inode *lqinode,
 				goto out_commit;
 			}
 			lock_buffer(qbh);
-			WARN_ON(!ocfs2_test_bit(bit, dchunk->dqc_bitmap));
-			ocfs2_clear_bit(bit, dchunk->dqc_bitmap);
+			WARN_ON(!ocfs2_test_bit_unaligned(bit, dchunk->dqc_bitmap));
+			ocfs2_clear_bit_unaligned(bit, dchunk->dqc_bitmap);
 			le32_add_cpu(&dchunk->dqc_free, 1);
 			unlock_buffer(qbh);
 			ocfs2_journal_dirty(handle, qbh);
@@ -949,7 +949,7 @@ static struct ocfs2_quota_chunk *ocfs2_find_free_entry(struct super_block *sb,
 		      * ol_quota_entries_per_block(sb);
 	}
 
-	found = ocfs2_find_next_zero_bit(dchunk->dqc_bitmap, len, 0);
+	found = ocfs2_find_next_zero_bit_unaligned(dchunk->dqc_bitmap, len, 0);
 	/* We failed? */
 	if (found == len) {
 		mlog(ML_ERROR, "Did not find empty entry in chunk %d with %u"
@@ -1213,7 +1213,7 @@ static void olq_alloc_dquot(struct buffer_head *bh, void *private)
 	struct ocfs2_local_disk_chunk *dchunk;
 
 	dchunk = (struct ocfs2_local_disk_chunk *)bh->b_data;
-	ocfs2_set_bit(*offset, dchunk->dqc_bitmap);
+	ocfs2_set_bit_unaligned(*offset, dchunk->dqc_bitmap);
 	le32_add_cpu(&dchunk->dqc_free, -1);
 }
 
@@ -1294,7 +1294,7 @@ int ocfs2_local_release_dquot(handle_t *handle, struct dquot *dquot)
 			(od->dq_chunk->qc_headerbh->b_data);
 	/* Mark structure as freed */
 	lock_buffer(od->dq_chunk->qc_headerbh);
-	ocfs2_clear_bit(offset, dchunk->dqc_bitmap);
+	ocfs2_clear_bit_unaligned(offset, dchunk->dqc_bitmap);
 	le32_add_cpu(&dchunk->dqc_free, 1);
 	unlock_buffer(od->dq_chunk->qc_headerbh);
 	ocfs2_journal_dirty(handle, od->dq_chunk->qc_headerbh);
-- 
GitLab


From 5611cc4572e889b62a7b4c72a413536bf6a9c416 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 1 Dec 2011 14:56:01 -0800
Subject: [PATCH 1109/1594] Linux 3.2-rc4

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 3a8f0640cda0..12aafc20efbd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
-- 
GitLab


From b1f919664d04a8d0ba29cb76673c7ca3325a2006 Mon Sep 17 00:00:00 2001
From: "Yang Honggang (Joseph)" <eagle.rtlinux@gmail.com>
Date: Thu, 1 Dec 2011 22:22:41 -0500
Subject: [PATCH 1110/1594] clocksource: Fix bug with max_deferment margin
 calculation

In order to leave a margin of 12.5% we should >> 3 not >> 5.

CC: stable@kernel.org
Signed-off-by: Yang Honggang (Joseph) <eagle.rtlinux@gmail.com>
[jstultz: Modified commit subject]
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 kernel/time/clocksource.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index cfc65e1eb9fb..da2f760e780c 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -548,7 +548,7 @@ static u64 clocksource_max_deferment(struct clocksource *cs)
 	 * note a margin of 12.5% is used because this can be computed with
 	 * a shift, versus say 10% which would require division.
 	 */
-	return max_nsecs - (max_nsecs >> 5);
+	return max_nsecs - (max_nsecs >> 3);
 }
 
 #ifndef CONFIG_ARCH_USES_GETTIMEOFFSET
@@ -669,7 +669,7 @@ void __clocksource_updatefreq_scale(struct clocksource *cs, u32 scale, u32 freq)
 	 * ~ 0.06ppm granularity for NTP. We apply the same 12.5%
 	 * margin as we do in clocksource_max_deferment()
 	 */
-	sec = (cs->mask - (cs->mask >> 5));
+	sec = (cs->mask - (cs->mask >> 3));
 	do_div(sec, freq);
 	do_div(sec, scale);
 	if (!sec)
-- 
GitLab


From 1ee5fa1e9970a16036e37c7b9d5ce81c778252fc Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 1 Dec 2011 11:06:34 +0000
Subject: [PATCH 1111/1594] sch_red: fix red_change
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Le mercredi 30 novembre 2011 à 14:36 -0800, Stephen Hemminger a écrit :

> (Almost) nobody uses RED because they can't figure it out.
> According to Wikipedia, VJ says that:
>  "there are not one, but two bugs in classic RED."

RED is useful for high throughput routers, I doubt many linux machines
act as such devices.

I was considering adding Adaptative RED (Sally Floyd, Ramakrishna
Gummadi, Scott Shender), August 2001

In this version, maxp is dynamic (from 1% to 50%), and user only have to
setup min_th (target average queue size)
(max_th and wq (burst in linux RED) are automatically setup)

By the way it seems we have a small bug in red_change()

if (skb_queue_empty(&sch->q))
	red_end_of_idle_period(&q->parms);

First, if queue is empty, we should call
red_start_of_idle_period(&q->parms);

Second, since we dont use anymore sch->q, but q->qdisc, the test is
meaningless.

Oh well...

[PATCH] sch_red: fix red_change()

Now RED is classful, we must check q->qdisc->q.qlen, and if queue is empty,
we start an idle period, not end it.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/sch_red.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 6649463da1b6..d617161f8dd3 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -209,8 +209,8 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt)
 				 ctl->Plog, ctl->Scell_log,
 				 nla_data(tb[TCA_RED_STAB]));
 
-	if (skb_queue_empty(&sch->q))
-		red_end_of_idle_period(&q->parms);
+	if (!q->qdisc->q.qlen)
+		red_start_of_idle_period(&q->parms);
 
 	sch_tree_unlock(sch);
 	return 0;
-- 
GitLab


From a50527b19c62c808a7fca022816fff88a50b948d Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Fri, 2 Dec 2011 09:17:02 +0800
Subject: [PATCH 1112/1594] fs: Make write(2) interruptible by a fatal signal

Currently write(2) to a file is not interruptible by any signal.
Sometimes this is desirable, e.g. when you want to quickly kill a
process hogging your disk. Also, with commit 499d05ecf990 ("mm: Make
task in balance_dirty_pages() killable"), it's necessary to abort the
current write accordingly to avoid it quickly dirtying lots more pages
at unthrottled rate.

This patch makes write interruptible by SIGKILL. We do not allow write
to be interruptible by any other signal because that has larger
potential of screwing some badly written applications.

Reported-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Tested-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 mm/filemap.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index c0018f2d50e0..c106d3b3cc64 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2407,7 +2407,6 @@ static ssize_t generic_perform_write(struct file *file,
 						iov_iter_count(i));
 
 again:
-
 		/*
 		 * Bring in the user page that we will copy from _first_.
 		 * Otherwise there's a nasty deadlock on copying from the
@@ -2463,7 +2462,10 @@ again:
 		written += copied;
 
 		balance_dirty_pages_ratelimited(mapping);
-
+		if (fatal_signal_pending(current)) {
+			status = -EINTR;
+			break;
+		}
 	} while (iov_iter_count(i));
 
 	return written ? written : status;
-- 
GitLab


From 650f7a72b8cc235ffe4a0e3eff37954349026721 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Thu, 1 Dec 2011 17:47:06 -0800
Subject: [PATCH 1113/1594] ARM: OMAP1: Fix reprogramming of DPLL1 for systems
 that boot at rates below 60MHz

Commit e9b7086b80c4d9e354f4edc9e280ae85a60df408 (ARM: OMAP: Fix
reprogramming of dpll1 rate) fixed a regression for systems that
did not rely on bootloader set rates.

However, it also introduced a new problem where the rates selected
in .config would not take affect as omap1_select_table_rate
currently refuses to reprogram DPLL1 if it's already initialized.

This was not a problem earlier, as the reprogramming was done
earlier with ck_dpll1_p->rate uninitialized.

Fix this by forcing the reprogramming on systems booting at rates
below 60MHz. Note that the long term fix is to make the rates
SoC specific later on.

Thanks for Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> for figuring
this one out.

Reported-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap1/clock_data.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index 1297bb58869c..3f305610efa0 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -930,6 +930,9 @@ void __init omap1_clk_late_init(void)
 	if (ck_dpll1.rate >= OMAP1_DPLL1_SANE_VALUE)
 		return;
 
+	/* System booting at unusable rate, force reprogramming of DPLL1 */
+	ck_dpll1_p->rate = 0;
+
 	/* Find the highest supported frequency and enable it */
 	if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) {
 		pr_err("System frequencies not set, using default. Check your config.\n");
-- 
GitLab


From b29e23547ecb2a609777288cd81fc83b01f9f43f Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Thu, 1 Dec 2011 21:30:39 +0100
Subject: [PATCH 1114/1594] ARM: OMAP1: Remove unsafe clock values from
 omap1_defconfig

DPLL1 reprogramming to a different rate is actually blocked inside
omap1_select_table_rate(), resulting in the defalut rate of 60 MHz
always used instead of the one selected in .config. OTOH, in
omap1_defconfig we currently rely on Kconfig options for the supported
MHz rates in case of boards which boot with dpll1 not set correctly by
their boot loaders.

This means that before we allow for reprogramming of dpll1 rate, we
should remove all unsafe clock selections from omap1_defconfig,
otherwise it will stop booting on boards with imperfect boot loaders,
as it would always try to change to 216MHz.

Keep only one safe clock rate per each supported xtal frequency, i.e.
60MHZ dpll1 for 12MHz xtal and 182MHz dpll1 for 13MHz xtal.

BTW, this change goes into the direction of removing all OMAP1 clock
rate options, planned for next merge window.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/configs/omap1_defconfig | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig
index a7e777581378..945a34f2a34d 100644
--- a/arch/arm/configs/omap1_defconfig
+++ b/arch/arm/configs/omap1_defconfig
@@ -48,12 +48,7 @@ CONFIG_MACH_SX1=y
 CONFIG_MACH_NOKIA770=y
 CONFIG_MACH_AMS_DELTA=y
 CONFIG_MACH_OMAP_GENERIC=y
-CONFIG_OMAP_ARM_216MHZ=y
-CONFIG_OMAP_ARM_195MHZ=y
-CONFIG_OMAP_ARM_192MHZ=y
 CONFIG_OMAP_ARM_182MHZ=y
-CONFIG_OMAP_ARM_168MHZ=y
-# CONFIG_OMAP_ARM_60MHZ is not set
 # CONFIG_ARM_THUMB is not set
 CONFIG_PCCARD=y
 CONFIG_OMAP_CF=y
-- 
GitLab


From c2cb211116192690605eaa70d39deb04241003e2 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Thu, 1 Dec 2011 21:13:01 +0100
Subject: [PATCH 1115/1594] ARM: OMAP1: Fix ckctl value used for dpll1 defualt
 rate

Use the exact value found in omap1_rate_table, otherwise I have been
experiencing issues with correct timekeeping on my Amstrad Delta.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: removed comment referencing a development branch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap1/clock_data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index 3f305610efa0..86b2dec11788 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -937,7 +937,7 @@ void __init omap1_clk_late_init(void)
 	if (omap1_select_table_rate(&virtual_ck_mpu, ~0)) {
 		pr_err("System frequencies not set, using default. Check your config.\n");
 		omap_writew(0x2290, DPLL_CTL);
-		omap_writew(cpu_is_omap7xx() ? 0x3005 : 0x1005, ARM_CKCTL);
+		omap_writew(cpu_is_omap7xx() ? 0x2005 : 0x0005, ARM_CKCTL);
 		ck_dpll1.rate = OMAP1_DPLL1_SANE_VALUE;
 	}
 	propagate_rate(&ck_dpll1);
-- 
GitLab


From d01ff0a049f749e0bf10a35bb23edd012718c8c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20Pan=28=E6=BD=98=E5=8D=AB=E5=B9=B3=29?=
 <panweiping3@gmail.com>
Date: Thu, 1 Dec 2011 15:47:06 +0000
Subject: [PATCH 1116/1594] ipv4: flush route cache after change accept_local

After reset ipv4_devconf->data[IPV4_DEVCONF_ACCEPT_LOCAL] to 0,
we should flush route cache, or it will continue receive packets with local
source address, which should be dropped.

Signed-off-by: Weiping Pan <panweiping3@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/devinet.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c6b5092f29a1..65f01dc47565 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1490,7 +1490,9 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
 			     void __user *buffer,
 			     size_t *lenp, loff_t *ppos)
 {
+	int old_value = *(int *)ctl->data;
 	int ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
+	int new_value = *(int *)ctl->data;
 
 	if (write) {
 		struct ipv4_devconf *cnf = ctl->extra1;
@@ -1501,6 +1503,9 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
 
 		if (cnf == net->ipv4.devconf_dflt)
 			devinet_copy_dflt_conf(net, i);
+		if (i == IPV4_DEVCONF_ACCEPT_LOCAL - 1)
+			if ((new_value == 0) && (old_value != 0))
+				rt_cache_flush(net, 0);
 	}
 
 	return ret;
-- 
GitLab


From 1bdfd27a0bd65ccdd7294c1080bdb59f6a5a6e72 Mon Sep 17 00:00:00 2001
From: Barry Song <baohua.song@csr.com>
Date: Thu, 17 Nov 2011 22:18:14 +0800
Subject: [PATCH 1117/1594] ARM: CSR: fix build error due to new
 mdesc->dma_zone_size

commit 98b0124f0e2b88
"ARM: mach-prima2: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size"
causes building error:
arch/arm/mach-prima2/prima2.c:39:19: error: 'SZ_256M' undeclared here
(not in a function)

Signed-off-by: Barry Song <baohua.song@csr.com>
---
 arch/arm/mach-prima2/prima2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c
index ef555c041962..a12b689a8702 100644
--- a/arch/arm/mach-prima2/prima2.c
+++ b/arch/arm/mach-prima2/prima2.c
@@ -8,6 +8,7 @@
 
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <asm/sizes.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <linux/of.h>
-- 
GitLab


From b2dcb8723eb61d00c40d526702d08f6d805f5f01 Mon Sep 17 00:00:00 2001
From: Barry Song <baohua.song@csr.com>
Date: Thu, 17 Nov 2011 22:27:22 +0800
Subject: [PATCH 1118/1594] ARM: CSR: PM: fix build error due to undeclared
 'THIS_MODULE'

In the new kernel, we will get the following compile error:
arch/arm/mach-prima2/pm.c:141: error: 'THIS_MODULE' undeclared
here (not in a function)
so include module.h head file explicitly

Signed-off-by: Barry Song <baohua.song@csr.com>
---
 arch/arm/mach-prima2/pm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-prima2/pm.c b/arch/arm/mach-prima2/pm.c
index cb53160f6c5d..26ebb57719df 100644
--- a/arch/arm/mach-prima2/pm.c
+++ b/arch/arm/mach-prima2/pm.c
@@ -9,6 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/suspend.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_device.h>
-- 
GitLab


From d3d9acf646679c1981032b0985b386d12fccc60c Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 23 Nov 2011 08:49:49 -0800
Subject: [PATCH 1119/1594] trace_events_filter: Use rcu_assign_pointer() when
 setting ftrace_event_call->filter

ftrace_event_call->filter is sched RCU protected but didn't use
rcu_assign_pointer().  Use it.

TODO: Add proper __rcu annotation to call->filter and all its users.

-v2: Use RCU_INIT_POINTER() for %NULL clearing as suggested by Eric.

Link: http://lkml.kernel.org/r/20111123164949.GA29639@google.com

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@kernel.org # (2.6.39+)
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/trace_events_filter.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 816d3d074979..d6e7926dcd26 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1686,7 +1686,7 @@ static int replace_system_preds(struct event_subsystem *system,
 		 * replace the filter for the call.
 		 */
 		filter = call->filter;
-		call->filter = filter_item->filter;
+		rcu_assign_pointer(call->filter, filter_item->filter);
 		filter_item->filter = filter;
 
 		fail = false;
@@ -1741,7 +1741,7 @@ int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
 		filter = call->filter;
 		if (!filter)
 			goto out_unlock;
-		call->filter = NULL;
+		RCU_INIT_POINTER(call->filter, NULL);
 		/* Make sure the filter is not being used */
 		synchronize_sched();
 		__free_filter(filter);
@@ -1782,7 +1782,7 @@ out:
 	 * string
 	 */
 	tmp = call->filter;
-	call->filter = filter;
+	rcu_assign_pointer(call->filter, filter);
 	if (tmp) {
 		/* Make sure the call is done with the filter */
 		synchronize_sched();
-- 
GitLab


From 3ced1be5490f5c415d51a1e5918beeb9239d546b Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 1 Dec 2011 22:19:01 -0500
Subject: [PATCH 1120/1594] netfilter: Remove ADVANCED dependency from
 NF_CONNTRACK_NETBIOS_NS

firewalld in Fedora 16 needs this.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index e8f379692294..d5597b759ba3 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -201,7 +201,6 @@ config NF_CONNTRACK_BROADCAST
 
 config NF_CONNTRACK_NETBIOS_NS
 	tristate "NetBIOS name service protocol support"
-	depends on NETFILTER_ADVANCED
 	select NF_CONNTRACK_BROADCAST
 	help
 	  NetBIOS name service requests are sent as broadcast messages from an
-- 
GitLab


From 769bbb634f30c1b76277623676011a77f31bcc20 Mon Sep 17 00:00:00 2001
From: Heiko Stuebner <heiko@sntech.de>
Date: Fri, 2 Dec 2011 13:51:56 +0900
Subject: [PATCH 1121/1594] MAINTAINERS: Consolidate Samsung MAINTAINERS

These days most Samsung stuff gets in the kernel through Kukjin Kim.
This patch changes MAINTAINERS to reflect this.

By adding Kukjin Kim to the maintainers for S3C2410, S3C244x and
S3C64xx alongside Ben Dooks the extra entries become identical to the
base ARM/SAMSUNG entry and can move into it.

Also the S3C2416 gets a maintainer through the s3c24* wildcard - as it
did not have one until now.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 MAINTAINERS | 24 ++----------------------
 1 file changed, 2 insertions(+), 22 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 447560284996..1445a830b4f8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1059,31 +1059,11 @@ S:	Maintained
 F:	arch/arm/plat-samsung/
 F:	arch/arm/plat-s3c24xx/
 F:	arch/arm/plat-s5p/
+F:	arch/arm/mach-s3c24*/
+F:	arch/arm/mach-s3c64xx/
 F:	drivers/*/*s3c2410*
 F:	drivers/*/*/*s3c2410*
 
-ARM/S3C2410 ARM ARCHITECTURE
-M:	Ben Dooks <ben-linux@fluff.org>
-L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.fluff.org/ben/linux/
-S:	Maintained
-F:	arch/arm/mach-s3c2410/
-
-ARM/S3C244x ARM ARCHITECTURE
-M:	Ben Dooks <ben-linux@fluff.org>
-L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.fluff.org/ben/linux/
-S:	Maintained
-F:	arch/arm/mach-s3c2440/
-F:	arch/arm/mach-s3c2443/
-
-ARM/S3C64xx ARM ARCHITECTURE
-M:	Ben Dooks <ben-linux@fluff.org>
-L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W:	http://www.fluff.org/ben/linux/
-S:	Maintained
-F:	arch/arm/mach-s3c64xx/
-
 ARM/S5P EXYNOS ARM ARCHITECTURES
 M:	Kukjin Kim <kgene.kim@samsung.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-- 
GitLab


From 7a549d78e7d897651a4bc36ade7563c34cab9f8b Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 2 Dec 2011 13:52:12 +0900
Subject: [PATCH 1122/1594] MAINTAINERS: Add linux-samsung-soc mailing list for
 Samsung

There's a Samsung-specific mailing list but it's not advertised in
MAINTAINERS - add it to the overall architecture to make it more
discoverable.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: added notice of 'moderated']
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 1445a830b4f8..523039045b36 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1054,6 +1054,7 @@ ARM/SAMSUNG ARM ARCHITECTURES
 M:	Ben Dooks <ben-linux@fluff.org>
 M:	Kukjin Kim <kgene.kim@samsung.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
 W:	http://www.fluff.org/ben/linux/
 S:	Maintained
 F:	arch/arm/plat-samsung/
-- 
GitLab


From 40c76662a1ae7f88afa22ae3b1265497e4271f72 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 2 Dec 2011 13:54:25 +0900
Subject: [PATCH 1123/1594] MAINTAINERS: Extend Samsung patterns to cover SPI
 and ASoC drivers

Help people find the overall architecture.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 MAINTAINERS | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 523039045b36..b4f18024f4e7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1064,6 +1064,8 @@ F:	arch/arm/mach-s3c24*/
 F:	arch/arm/mach-s3c64xx/
 F:	drivers/*/*s3c2410*
 F:	drivers/*/*/*s3c2410*
+F:	drivers/spi/spi-s3c*
+F:	sound/soc/samsung/*
 
 ARM/S5P EXYNOS ARM ARCHITECTURES
 M:	Kukjin Kim <kgene.kim@samsung.com>
-- 
GitLab


From ade145cc4885fbdf47b3abd9cd6baf23b8367fef Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 2 Dec 2011 14:17:36 +0900
Subject: [PATCH 1124/1594] ARM: S3C64XX: Remove extern from definition of
 framebuffer setup call

The extern is only useful on prototypes.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/mach-s3c64xx/setup-fb-24bpp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-s3c64xx/setup-fb-24bpp.c b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c
index 83d2afb79e9f..2cf80026c58d 100644
--- a/arch/arm/mach-s3c64xx/setup-fb-24bpp.c
+++ b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c
@@ -20,7 +20,7 @@
 #include <plat/fb.h>
 #include <plat/gpio-cfg.h>
 
-extern void s3c64xx_fb_gpio_setup_24bpp(void)
+void s3c64xx_fb_gpio_setup_24bpp(void)
 {
 	s3c_gpio_cfgrange_nopull(S3C64XX_GPI(0), 16, S3C_GPIO_SFN(2));
 	s3c_gpio_cfgrange_nopull(S3C64XX_GPJ(0), 12, S3C_GPIO_SFN(2));
-- 
GitLab


From f4a65ad6eb9b56180724de52ddd6dd6712121be1 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 2 Dec 2011 14:17:54 +0900
Subject: [PATCH 1125/1594] ARM: S3C64XX: Add linux/export.h to dev-spi.c

This is required for the EXPORT_SYMBOL()s the code uses, previously the
header was being included implicitly by another header.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/mach-s3c64xx/dev-spi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-s3c64xx/dev-spi.c b/arch/arm/mach-s3c64xx/dev-spi.c
index 5e6b42089eb4..3341fd118723 100644
--- a/arch/arm/mach-s3c64xx/dev-spi.c
+++ b/arch/arm/mach-s3c64xx/dev-spi.c
@@ -10,6 +10,7 @@
 
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/gpio.h>
-- 
GitLab


From 71b33a4f7c864bf5fc893b5ca144770ad05f1d4a Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 2 Dec 2011 14:18:02 +0900
Subject: [PATCH 1126/1594] ARM: S3C64XX: Staticise s3c6400_sysclass

The symbol is not exported and doesn't need to be.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/mach-s3c64xx/s3c6400.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c
index 7a3bc32df425..51c00f2453c6 100644
--- a/arch/arm/mach-s3c64xx/s3c6400.c
+++ b/arch/arm/mach-s3c64xx/s3c6400.c
@@ -70,7 +70,7 @@ void __init s3c6400_init_irq(void)
 	s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
 }
 
-struct sysdev_class s3c6400_sysclass = {
+static struct sysdev_class s3c6400_sysclass = {
 	.name	= "s3c6400-core",
 };
 
-- 
GitLab


From 5d348401ed03450395ce674594c1c08c7d85bd8d Mon Sep 17 00:00:00 2001
From: Dong Aisheng <b29396@freescale.com>
Date: Sat, 12 Nov 2011 00:09:05 +0800
Subject: [PATCH 1127/1594] ARM: mxs/tx28: add __initconst for fec pdata
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/mach-mxs/module-tx28.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-mxs/module-tx28.c b/arch/arm/mach-mxs/module-tx28.c
index 0fcff47009cf..9a7b08b2a925 100644
--- a/arch/arm/mach-mxs/module-tx28.c
+++ b/arch/arm/mach-mxs/module-tx28.c
@@ -66,11 +66,11 @@ static const iomux_cfg_t tx28_fec1_pads[] __initconst = {
 	MX28_PAD_ENET0_CRS__ENET1_RX_EN,
 };
 
-static struct fec_platform_data tx28_fec0_data = {
+static const struct fec_platform_data tx28_fec0_data __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };
 
-static struct fec_platform_data tx28_fec1_data = {
+static const struct fec_platform_data tx28_fec1_data __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };
 
-- 
GitLab


From 8d2d2d1d7e96f12d9fe140169fb39ef9fd27b7c1 Mon Sep 17 00:00:00 2001
From: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Date: Mon, 21 Nov 2011 10:55:55 +0200
Subject: [PATCH 1128/1594] ARM: mxs: fix machines' initializers order

Initializers of m28evk and stmp378x_devb fixed to be in order
they are called.

reference: http://article.gmane.org/gmane.linux.ports.arm.omap/50721

Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/mach-mxs/mach-m28evk.c        | 2 +-
 arch/arm/mach-mxs/mach-stmp378x_devb.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-mxs/mach-m28evk.c b/arch/arm/mach-mxs/mach-m28evk.c
index 3b1681e4f49a..6b00577b7025 100644
--- a/arch/arm/mach-mxs/mach-m28evk.c
+++ b/arch/arm/mach-mxs/mach-m28evk.c
@@ -361,6 +361,6 @@ static struct sys_timer m28evk_timer = {
 MACHINE_START(M28EVK, "DENX M28 EVK")
 	.map_io		= mx28_map_io,
 	.init_irq	= mx28_init_irq,
-	.init_machine	= m28evk_init,
 	.timer		= &m28evk_timer,
+	.init_machine	= m28evk_init,
 MACHINE_END
diff --git a/arch/arm/mach-mxs/mach-stmp378x_devb.c b/arch/arm/mach-mxs/mach-stmp378x_devb.c
index 177e53123a02..6834dea38c04 100644
--- a/arch/arm/mach-mxs/mach-stmp378x_devb.c
+++ b/arch/arm/mach-mxs/mach-stmp378x_devb.c
@@ -115,6 +115,6 @@ static struct sys_timer stmp378x_dvb_timer = {
 MACHINE_START(STMP378X, "STMP378X")
 	.map_io		= mx23_map_io,
 	.init_irq	= mx23_init_irq,
-	.init_machine	= stmp378x_dvb_init,
 	.timer		= &stmp378x_dvb_timer,
+	.init_machine	= stmp378x_dvb_init,
 MACHINE_END
-- 
GitLab


From 11357be9246c7d1acf9b37ad54a18b29bbb734be Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 26 Nov 2011 11:39:14 +0100
Subject: [PATCH 1129/1594] arm: mx23: recognise stmp378x as mx23

Adding the machine_is_* line was forgotten when converting mach-stmp378x to
mach-mxs.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: stable@kernel.org
---
 arch/arm/mach-mxs/include/mach/mxs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-mxs/include/mach/mxs.h b/arch/arm/mach-mxs/include/mach/mxs.h
index 0d2d2b470998..bde5f6634747 100644
--- a/arch/arm/mach-mxs/include/mach/mxs.h
+++ b/arch/arm/mach-mxs/include/mach/mxs.h
@@ -30,6 +30,7 @@
  */
 #define cpu_is_mx23()		(					\
 		machine_is_mx23evk() ||					\
+		machine_is_stmp378x() ||				\
 		0)
 #define cpu_is_mx28()		(					\
 		machine_is_mx28evk() ||					\
-- 
GitLab


From 7d8b894ca135a896f32934f7d096714d5bc687e6 Mon Sep 17 00:00:00 2001
From: Peter Rusko <rusko.peter@prolan.hu>
Date: Wed, 30 Nov 2011 16:43:27 +0100
Subject: [PATCH 1130/1594] ARM: mx28: LRADC macro rename

It's a correction of two macro names, renaming them from IRADC to LRADC.

Signed-off-by: Peter Rusko <rusko.peter@prolan.hu>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/mach-mxs/include/mach/mx28.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-mxs/include/mach/mx28.h b/arch/arm/mach-mxs/include/mach/mx28.h
index 75d86118b76a..30c7990f3c01 100644
--- a/arch/arm/mach-mxs/include/mach/mx28.h
+++ b/arch/arm/mach-mxs/include/mach/mx28.h
@@ -104,8 +104,8 @@
 #define MX28_INT_CAN1			9
 #define MX28_INT_LRADC_TOUCH		10
 #define MX28_INT_HSADC			13
-#define MX28_INT_IRADC_THRESH0		14
-#define MX28_INT_IRADC_THRESH1		15
+#define MX28_INT_LRADC_THRESH0		14
+#define MX28_INT_LRADC_THRESH1		15
 #define MX28_INT_LRADC_CH0		16
 #define MX28_INT_LRADC_CH1		17
 #define MX28_INT_LRADC_CH2		18
-- 
GitLab


From 5eb46851de3904cd1be9192fdacb8d34deadc1fc Mon Sep 17 00:00:00 2001
From: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Date: Fri, 2 Dec 2011 10:07:07 +0100
Subject: [PATCH 1131/1594] cfq-iosched: fix cfq_cic_link() race confition

cfq_cic_link() has race condition. When some processes which shared ioc
issue I/O to same block device simultaneously, cfq_cic_link() returns -EEXIST
sometimes. The race condition might stop I/O by following steps:

step  1: Process A: Issue an I/O to /dev/sda
step  2: Process A: Get an ioc (iocA here) in get_io_context() which does not
		    linked with a cic for the device
step  3: Process A: Get a new cic for the device (cicA here) in
		    cfq_alloc_io_context()

step  4: Process B: Issue an I/O to /dev/sda
step  5: Process B: Get iocA in get_io_context() since process A and B share the
		    same ioc
step  6: Process B: Get a new cic for the device (cicB here) in
		    cfq_alloc_io_context() since iocA has not been linked with a
		    cic for the device yet

step  7: Process A: Link cicA to iocA in cfq_cic_link()
step  8: Process A: Dispatch I/O to driver and finish it

step  9: Process B: Try to link cicB to iocA in cfq_cic_link()
		    But it fails with showing "cfq: cic link failed!" kernel
		    message, since iocA has already linked with cicA at step 7.
step 10: Process B: Wait for finishig I/O in get_request_wait()
		    The function does not wake up, when there is no I/O to the
		    device.

When cfq_cic_link() returns -EEXIST, it means ioc has already linked with cic.
So when cfq_cic_link() return -EEXIST, retry cfq_cic_lookup().

Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/cfq-iosched.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 3beed83437a3..4c12869fcf77 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -3184,7 +3184,7 @@ static int cfq_cic_link(struct cfq_data *cfqd, struct io_context *ioc,
 		}
 	}
 
-	if (ret)
+	if (ret && ret != -EEXIST)
 		printk(KERN_ERR "cfq: cic link failed!\n");
 
 	return ret;
@@ -3200,6 +3200,7 @@ cfq_get_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
 {
 	struct io_context *ioc = NULL;
 	struct cfq_io_context *cic;
+	int ret;
 
 	might_sleep_if(gfp_mask & __GFP_WAIT);
 
@@ -3207,6 +3208,7 @@ cfq_get_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
 	if (!ioc)
 		return NULL;
 
+retry:
 	cic = cfq_cic_lookup(cfqd, ioc);
 	if (cic)
 		goto out;
@@ -3215,7 +3217,12 @@ cfq_get_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
 	if (cic == NULL)
 		goto err;
 
-	if (cfq_cic_link(cfqd, ioc, cic, gfp_mask))
+	ret = cfq_cic_link(cfqd, ioc, cic, gfp_mask);
+	if (ret == -EEXIST) {
+		/* someone has linked cic to ioc already */
+		cfq_cic_free(cic);
+		goto retry;
+	} else if (ret)
 		goto err_free;
 
 out:
-- 
GitLab


From fc084e0b930d546872ab23667052499f7daf0fed Mon Sep 17 00:00:00 2001
From: David Dillow <dave@thedillows.org>
Date: Thu, 1 Dec 2011 23:26:53 -0500
Subject: [PATCH 1132/1594] ALSA: sis7019 - give slow codecs more time to reset

There are some AC97 codec and board combinations that have been observed
to take a very long time to respond after the cold reset has completed.
In one case, more than 350 ms was required. To allow users to have sound
on those platforms, we'll wait up to 500ms for the codec to become
ready.

As a board may have multiple codecs, with some faster than others to
reset, we add a module parameter to inform the driver which codecs
should be present.

Reported-by: KotCzarny <tjosko@yahoo.com>
Signed-off-by: David Dillow <dave@thedillows.org>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/sis7019.c | 64 +++++++++++++++++++++++++++++++++++++--------
 1 file changed, 53 insertions(+), 11 deletions(-)

diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c
index a391e622a192..28dfafb56dd1 100644
--- a/sound/pci/sis7019.c
+++ b/sound/pci/sis7019.c
@@ -41,6 +41,7 @@ MODULE_SUPPORTED_DEVICE("{{SiS,SiS7019 Audio Accelerator}}");
 static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
 static char *id = SNDRV_DEFAULT_STR1;	/* ID for this card */
 static int enable = 1;
+static int codecs = 1;
 
 module_param(index, int, 0444);
 MODULE_PARM_DESC(index, "Index value for SiS7019 Audio Accelerator.");
@@ -48,6 +49,8 @@ module_param(id, charp, 0444);
 MODULE_PARM_DESC(id, "ID string for SiS7019 Audio Accelerator.");
 module_param(enable, bool, 0444);
 MODULE_PARM_DESC(enable, "Enable SiS7019 Audio Accelerator.");
+module_param(codecs, int, 0444);
+MODULE_PARM_DESC(codecs, "Set bit to indicate that codec number is expected to be present (default 1)");
 
 static DEFINE_PCI_DEVICE_TABLE(snd_sis7019_ids) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SI, 0x7019) },
@@ -140,6 +143,9 @@ struct sis7019 {
 	dma_addr_t silence_dma_addr;
 };
 
+/* These values are also used by the module param 'codecs' to indicate
+ * which codecs should be present.
+ */
 #define SIS_PRIMARY_CODEC_PRESENT	0x0001
 #define SIS_SECONDARY_CODEC_PRESENT	0x0002
 #define SIS_TERTIARY_CODEC_PRESENT	0x0004
@@ -1078,6 +1084,7 @@ static int sis_chip_init(struct sis7019 *sis)
 {
 	unsigned long io = sis->ioport;
 	void __iomem *ioaddr = sis->ioaddr;
+	unsigned long timeout;
 	u16 status;
 	int count;
 	int i;
@@ -1104,21 +1111,45 @@ static int sis_chip_init(struct sis7019 *sis)
 	while ((inw(io + SIS_AC97_STATUS) & SIS_AC97_STATUS_BUSY) && --count)
 		udelay(1);
 
+	/* Command complete, we can let go of the semaphore now.
+	 */
+	outl(SIS_AC97_SEMA_RELEASE, io + SIS_AC97_SEMA);
+	if (!count)
+		return -EIO;
+
 	/* Now that we've finished the reset, find out what's attached.
+	 * There are some codec/board combinations that take an extremely
+	 * long time to come up. 350+ ms has been observed in the field,
+	 * so we'll give them up to 500ms.
 	 */
-	status = inl(io + SIS_AC97_STATUS);
-	if (status & SIS_AC97_STATUS_CODEC_READY)
-		sis->codecs_present |= SIS_PRIMARY_CODEC_PRESENT;
-	if (status & SIS_AC97_STATUS_CODEC2_READY)
-		sis->codecs_present |= SIS_SECONDARY_CODEC_PRESENT;
-	if (status & SIS_AC97_STATUS_CODEC3_READY)
-		sis->codecs_present |= SIS_TERTIARY_CODEC_PRESENT;
-
-	/* All done, let go of the semaphore, and check for errors
+	sis->codecs_present = 0;
+	timeout = msecs_to_jiffies(500) + jiffies;
+	while (time_before_eq(jiffies, timeout)) {
+		status = inl(io + SIS_AC97_STATUS);
+		if (status & SIS_AC97_STATUS_CODEC_READY)
+			sis->codecs_present |= SIS_PRIMARY_CODEC_PRESENT;
+		if (status & SIS_AC97_STATUS_CODEC2_READY)
+			sis->codecs_present |= SIS_SECONDARY_CODEC_PRESENT;
+		if (status & SIS_AC97_STATUS_CODEC3_READY)
+			sis->codecs_present |= SIS_TERTIARY_CODEC_PRESENT;
+
+		if (sis->codecs_present == codecs)
+			break;
+
+		msleep(1);
+	}
+
+	/* All done, check for errors.
 	 */
-	outl(SIS_AC97_SEMA_RELEASE, io + SIS_AC97_SEMA);
-	if (!sis->codecs_present || !count)
+	if (!sis->codecs_present) {
+		printk(KERN_ERR "sis7019: could not find any codecs\n");
 		return -EIO;
+	}
+
+	if (sis->codecs_present != codecs) {
+		printk(KERN_WARNING "sis7019: missing codecs, found %0x, expected %0x\n",
+		       sis->codecs_present, codecs);
+	}
 
 	/* Let the hardware know that the audio driver is alive,
 	 * and enable PCM slots on the AC-link for L/R playback (3 & 4) and
@@ -1390,6 +1421,17 @@ static int __devinit snd_sis7019_probe(struct pci_dev *pci,
 	if (!enable)
 		goto error_out;
 
+	/* The user can specify which codecs should be present so that we
+	 * can wait for them to show up if they are slow to recover from
+	 * the AC97 cold reset. We default to a single codec, the primary.
+	 *
+	 * We assume that SIS_PRIMARY_*_PRESENT matches bits 0-2.
+	 */
+	codecs &= SIS_PRIMARY_CODEC_PRESENT | SIS_SECONDARY_CODEC_PRESENT |
+		  SIS_TERTIARY_CODEC_PRESENT;
+	if (!codecs)
+		codecs = SIS_PRIMARY_CODEC_PRESENT;
+
 	rc = snd_card_create(index, id, THIS_MODULE, sizeof(*sis), &card);
 	if (rc < 0)
 		goto error_out;
-- 
GitLab


From 6eebd6bb5f1ea04f04019e5c39f87a0f17ffb472 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 28 Nov 2011 21:10:05 +0000
Subject: [PATCH 1133/1594] drm: Fix lack of CRTC disable for
 drm_crtc_helper_set_config(.fb=NULL)

Disabling the CRTC by setting its framebuffer to NULL, as used by
drm_framebuffer_cleanup(), was failing to pass the current framebuffer
to the crtc_func->disable callback. This is because of the dance within
drm_crtc_helper_set_config to pass the new_fb (NULL in this case) to the
drm_crtc_helper_set_mode with the currently attached fb as a parameter.
drm_crtc_helper_set_mode treats this as a no-op and the encoder is still
enabled. And so the current fb is forgotten before the call to
drm_helper_disable_unused_functions.

This patch treats disabling the CRTC as a simple special case rather
than adding further complexity into the configuration logic.

This fixes a pin-leak of the fb bo on Xserver close.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_crtc_helper.c | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 3969f7553fe7..d2619d72cece 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -456,6 +456,30 @@ done:
 EXPORT_SYMBOL(drm_crtc_helper_set_mode);
 
 
+static int
+drm_crtc_helper_disable(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_connector *connector;
+	struct drm_encoder *encoder;
+
+	/* Decouple all encoders and their attached connectors from this crtc */
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		if (encoder->crtc != crtc)
+			continue;
+
+		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+			if (connector->encoder != encoder)
+				continue;
+
+			connector->encoder = NULL;
+		}
+	}
+
+	drm_helper_disable_unused_functions(dev);
+	return 0;
+}
+
 /**
  * drm_crtc_helper_set_config - set a new config from userspace
  * @crtc: CRTC to setup
@@ -510,8 +534,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 				(int)set->num_connectors, set->x, set->y);
 	} else {
 		DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id);
-		set->mode = NULL;
-		set->num_connectors = 0;
+		return drm_crtc_helper_disable(set->crtc);
 	}
 
 	dev = set->crtc->dev;
-- 
GitLab


From 392e37229f0d6358dcc7b43641df776e9f62a6e6 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 28 Nov 2011 14:49:27 -0500
Subject: [PATCH 1134/1594] drm/radeon/kms: fix scanout of 2D tiled buffers on
 EG/CM

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=43191

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atombios_crtc.c | 35 ++++++++++++++++++++++++--
 drivers/gpu/drm/radeon/evergreen_reg.h | 29 +++++++++++++++++++++
 2 files changed, 62 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 87631fede1f8..2b97262e3ab1 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1107,9 +1107,40 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
 		return -EINVAL;
 	}
 
-	if (tiling_flags & RADEON_TILING_MACRO)
+	if (tiling_flags & RADEON_TILING_MACRO) {
+		if (rdev->family >= CHIP_CAYMAN)
+			tmp = rdev->config.cayman.tile_config;
+		else
+			tmp = rdev->config.evergreen.tile_config;
+
+		switch ((tmp & 0xf0) >> 4) {
+		case 0: /* 4 banks */
+			fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
+			break;
+		case 1: /* 8 banks */
+		default:
+			fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
+			break;
+		case 2: /* 16 banks */
+			fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
+			break;
+		}
+
+		switch ((tmp & 0xf000) >> 12) {
+		case 0: /* 1KB rows */
+		default:
+			fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_1KB);
+			break;
+		case 1: /* 2KB rows */
+			fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_2KB);
+			break;
+		case 2: /* 4KB rows */
+			fb_format |= EVERGREEN_GRPH_TILE_SPLIT(EVERGREEN_ADDR_SURF_TILE_SPLIT_4KB);
+			break;
+		}
+
 		fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
-	else if (tiling_flags & RADEON_TILING_MICRO)
+	} else if (tiling_flags & RADEON_TILING_MICRO)
 		fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
 
 	switch (radeon_crtc->crtc_id) {
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index c781c92c3451..7d7f2155e34c 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -42,6 +42,17 @@
 #       define EVERGREEN_GRPH_DEPTH_8BPP                0
 #       define EVERGREEN_GRPH_DEPTH_16BPP               1
 #       define EVERGREEN_GRPH_DEPTH_32BPP               2
+#       define EVERGREEN_GRPH_NUM_BANKS(x)              (((x) & 0x3) << 2)
+#       define EVERGREEN_ADDR_SURF_2_BANK               0
+#       define EVERGREEN_ADDR_SURF_4_BANK               1
+#       define EVERGREEN_ADDR_SURF_8_BANK               2
+#       define EVERGREEN_ADDR_SURF_16_BANK              3
+#       define EVERGREEN_GRPH_Z(x)                      (((x) & 0x3) << 4)
+#       define EVERGREEN_GRPH_BANK_WIDTH(x)             (((x) & 0x3) << 6)
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_1         0
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_2         1
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_4         2
+#       define EVERGREEN_ADDR_SURF_BANK_WIDTH_8         3
 #       define EVERGREEN_GRPH_FORMAT(x)                 (((x) & 0x7) << 8)
 /* 8 BPP */
 #       define EVERGREEN_GRPH_FORMAT_INDEXED            0
@@ -61,6 +72,24 @@
 #       define EVERGREEN_GRPH_FORMAT_8B_BGRA1010102     5
 #       define EVERGREEN_GRPH_FORMAT_RGB111110          6
 #       define EVERGREEN_GRPH_FORMAT_BGR101111          7
+#       define EVERGREEN_GRPH_BANK_HEIGHT(x)            (((x) & 0x3) << 11)
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_1        0
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_2        1
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_4        2
+#       define EVERGREEN_ADDR_SURF_BANK_HEIGHT_8        3
+#       define EVERGREEN_GRPH_TILE_SPLIT(x)             (((x) & 0x7) << 13)
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_64B       0
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_128B      1
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_256B      2
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_512B      3
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_1KB       4
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_2KB       5
+#       define EVERGREEN_ADDR_SURF_TILE_SPLIT_4KB       6
+#       define EVERGREEN_GRPH_MACRO_TILE_ASPECT(x)      (((x) & 0x3) << 18)
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1  0
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2  1
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4  2
+#       define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8  3
 #       define EVERGREEN_GRPH_ARRAY_MODE(x)             (((x) & 0x7) << 20)
 #       define EVERGREEN_GRPH_ARRAY_LINEAR_GENERAL      0
 #       define EVERGREEN_GRPH_ARRAY_LINEAR_ALIGNED      1
-- 
GitLab


From f3a71df05082c84d1408129084736c5f742a6165 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 28 Nov 2011 14:49:28 -0500
Subject: [PATCH 1135/1594] drm/radeon/kms: fix 2D tiling CS support on EG/CM

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=43191

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/evergreen_cs.c | 149 +++++++++++++++++++++-----
 drivers/gpu/drm/radeon/evergreend.h   |  31 ++++++
 2 files changed, 154 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 38e1bda73d33..cd4590aae154 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -38,6 +38,7 @@ struct evergreen_cs_track {
 	u32			group_size;
 	u32			nbanks;
 	u32			npipes;
+	u32			row_size;
 	/* value we track */
 	u32			nsamples;
 	u32			cb_color_base_last[12];
@@ -77,6 +78,44 @@ struct evergreen_cs_track {
 	struct radeon_bo	*db_s_write_bo;
 };
 
+static u32 evergreen_cs_get_aray_mode(u32 tiling_flags)
+{
+	if (tiling_flags & RADEON_TILING_MACRO)
+		return ARRAY_2D_TILED_THIN1;
+	else if (tiling_flags & RADEON_TILING_MICRO)
+		return ARRAY_1D_TILED_THIN1;
+	else
+		return ARRAY_LINEAR_GENERAL;
+}
+
+static u32 evergreen_cs_get_num_banks(u32 nbanks)
+{
+	switch (nbanks) {
+	case 2:
+		return ADDR_SURF_2_BANK;
+	case 4:
+		return ADDR_SURF_4_BANK;
+	case 8:
+	default:
+		return ADDR_SURF_8_BANK;
+	case 16:
+		return ADDR_SURF_16_BANK;
+	}
+}
+
+static u32 evergreen_cs_get_tile_split(u32 row_size)
+{
+	switch (row_size) {
+	case 1:
+	default:
+		return ADDR_SURF_TILE_SPLIT_1KB;
+	case 2:
+		return ADDR_SURF_TILE_SPLIT_2KB;
+	case 4:
+		return ADDR_SURF_TILE_SPLIT_4KB;
+	}
+}
+
 static void evergreen_cs_track_init(struct evergreen_cs_track *track)
 {
 	int i;
@@ -490,12 +529,11 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 			}
 			ib[idx] &= ~Z_ARRAY_MODE(0xf);
 			track->db_z_info &= ~Z_ARRAY_MODE(0xf);
+			ib[idx] |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+			track->db_z_info |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
 			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-				ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-				track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			} else {
-				ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-				track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				ib[idx] |= DB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+				ib[idx] |= DB_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
 			}
 		}
 		break;
@@ -618,13 +656,8 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 						"0x%04X\n", reg);
 				return -EINVAL;
 			}
-			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-				ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
-				ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-			}
+			ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+			track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
 		}
 		break;
 	case CB_COLOR8_INFO:
@@ -640,13 +673,8 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 						"0x%04X\n", reg);
 				return -EINVAL;
 			}
-			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-				ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
-				ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-			}
+			ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+			track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
 		}
 		break;
 	case CB_COLOR0_PITCH:
@@ -701,6 +729,16 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
 	case CB_COLOR9_ATTRIB:
 	case CB_COLOR10_ATTRIB:
 	case CB_COLOR11_ATTRIB:
+		r = evergreen_cs_packet_next_reloc(p, &reloc);
+		if (r) {
+			dev_warn(p->dev, "bad SET_CONTEXT_REG "
+					"0x%04X\n", reg);
+			return -EINVAL;
+		}
+		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+			ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+			ib[idx] |= CB_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
+		}
 		break;
 	case CB_COLOR0_DIM:
 	case CB_COLOR1_DIM:
@@ -1318,10 +1356,14 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p,
 				}
 				ib[idx+1+(i*8)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
 				if (!p->keep_tiling_flags) {
-					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-						ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-					else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-						ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+					ib[idx+1+(i*8)+1] |=
+						TEX_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
+					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+						ib[idx+1+(i*8)+6] |=
+							TEX_TILE_SPLIT(evergreen_cs_get_tile_split(track->row_size));
+						ib[idx+1+(i*8)+7] |=
+							TEX_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
+					}
 				}
 				texture = reloc->robj;
 				/* tex mip base */
@@ -1422,6 +1464,7 @@ int evergreen_cs_parse(struct radeon_cs_parser *p)
 {
 	struct radeon_cs_packet pkt;
 	struct evergreen_cs_track *track;
+	u32 tmp;
 	int r;
 
 	if (p->track == NULL) {
@@ -1430,9 +1473,63 @@ int evergreen_cs_parse(struct radeon_cs_parser *p)
 		if (track == NULL)
 			return -ENOMEM;
 		evergreen_cs_track_init(track);
-		track->npipes = p->rdev->config.evergreen.tiling_npipes;
-		track->nbanks = p->rdev->config.evergreen.tiling_nbanks;
-		track->group_size = p->rdev->config.evergreen.tiling_group_size;
+		if (p->rdev->family >= CHIP_CAYMAN)
+			tmp = p->rdev->config.cayman.tile_config;
+		else
+			tmp = p->rdev->config.evergreen.tile_config;
+
+		switch (tmp & 0xf) {
+		case 0:
+			track->npipes = 1;
+			break;
+		case 1:
+		default:
+			track->npipes = 2;
+			break;
+		case 2:
+			track->npipes = 4;
+			break;
+		case 3:
+			track->npipes = 8;
+			break;
+		}
+
+		switch ((tmp & 0xf0) >> 4) {
+		case 0:
+			track->nbanks = 4;
+			break;
+		case 1:
+		default:
+			track->nbanks = 8;
+			break;
+		case 2:
+			track->nbanks = 16;
+			break;
+		}
+
+		switch ((tmp & 0xf00) >> 8) {
+		case 0:
+			track->group_size = 256;
+			break;
+		case 1:
+		default:
+			track->group_size = 512;
+			break;
+		}
+
+		switch ((tmp & 0xf000) >> 12) {
+		case 0:
+			track->row_size = 1;
+			break;
+		case 1:
+		default:
+			track->row_size = 2;
+			break;
+		case 2:
+			track->row_size = 4;
+			break;
+		}
+
 		p->track = track;
 	}
 	do {
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index b937c49054d9..e00039e59a75 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -899,6 +899,10 @@
 #define DB_HTILE_DATA_BASE				0x28014
 #define DB_Z_INFO					0x28040
 #       define Z_ARRAY_MODE(x)                          ((x) << 4)
+#       define DB_TILE_SPLIT(x)                         (((x) & 0x7) << 8)
+#       define DB_NUM_BANKS(x)                          (((x) & 0x3) << 12)
+#       define DB_BANK_WIDTH(x)                         (((x) & 0x3) << 16)
+#       define DB_BANK_HEIGHT(x)                        (((x) & 0x3) << 20)
 #define DB_STENCIL_INFO					0x28044
 #define DB_Z_READ_BASE					0x28048
 #define DB_STENCIL_READ_BASE				0x2804c
@@ -951,6 +955,29 @@
 #	define CB_SF_EXPORT_FULL			0
 #	define CB_SF_EXPORT_NORM			1
 #define	CB_COLOR0_ATTRIB				0x28c74
+#       define CB_TILE_SPLIT(x)                         (((x) & 0x7) << 5)
+#       define ADDR_SURF_TILE_SPLIT_64B                 0
+#       define ADDR_SURF_TILE_SPLIT_128B                1
+#       define ADDR_SURF_TILE_SPLIT_256B                2
+#       define ADDR_SURF_TILE_SPLIT_512B                3
+#       define ADDR_SURF_TILE_SPLIT_1KB                 4
+#       define ADDR_SURF_TILE_SPLIT_2KB                 5
+#       define ADDR_SURF_TILE_SPLIT_4KB                 6
+#       define CB_NUM_BANKS(x)                          (((x) & 0x3) << 10)
+#       define ADDR_SURF_2_BANK                         0
+#       define ADDR_SURF_4_BANK                         1
+#       define ADDR_SURF_8_BANK                         2
+#       define ADDR_SURF_16_BANK                        3
+#       define CB_BANK_WIDTH(x)                         (((x) & 0x3) << 13)
+#       define ADDR_SURF_BANK_WIDTH_1                   0
+#       define ADDR_SURF_BANK_WIDTH_2                   1
+#       define ADDR_SURF_BANK_WIDTH_4                   2
+#       define ADDR_SURF_BANK_WIDTH_8                   3
+#       define CB_BANK_HEIGHT(x)                        (((x) & 0x3) << 16)
+#       define ADDR_SURF_BANK_HEIGHT_1                  0
+#       define ADDR_SURF_BANK_HEIGHT_2                  1
+#       define ADDR_SURF_BANK_HEIGHT_4                  2
+#       define ADDR_SURF_BANK_HEIGHT_8                  3
 #define	CB_COLOR0_DIM					0x28c78
 /* only CB0-7 blocks have these regs */
 #define	CB_COLOR0_CMASK					0x28c7c
@@ -1137,7 +1164,11 @@
 #	define SQ_SEL_1					5
 #define SQ_TEX_RESOURCE_WORD5_0                         0x30014
 #define SQ_TEX_RESOURCE_WORD6_0                         0x30018
+#       define TEX_TILE_SPLIT(x)                        (((x) & 0x7) << 29)
 #define SQ_TEX_RESOURCE_WORD7_0                         0x3001c
+#       define TEX_BANK_WIDTH(x)                        (((x) & 0x3) << 8)
+#       define TEX_BANK_HEIGHT(x)                       (((x) & 0x3) << 10)
+#       define TEX_NUM_BANKS(x)                         (((x) & 0x3) << 16)
 
 #define SQ_VTX_CONSTANT_WORD0_0				0x30000
 #define SQ_VTX_CONSTANT_WORD1_0				0x30004
-- 
GitLab


From bab9efc206ba89766c53a9042eb771e87e68c42b Mon Sep 17 00:00:00 2001
From: Xi Wang <xi.wang@gmail.com>
Date: Mon, 28 Nov 2011 12:25:43 +0100
Subject: [PATCH 1136/1594] vmwgfx: integer overflow in
 vmw_kms_update_layout_ioctl()

There are two issues in vmw_kms_update_layout_ioctl().  First, the
for loop forgets to index rects and only checks the first element.
Second, there is a potential integer overflow if userspace passes
in a large arg->num_outputs.  The call to kzalloc() would allocate
a small buffer, leading to out-of-bounds read.

Reported-by: Haogang Chen <haogangchen@gmail.com>
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 880e285d7578..37d40545ed77 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1809,7 +1809,8 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 	}
 
 	rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
-	rects = kzalloc(rects_size, GFP_KERNEL);
+	rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
+			GFP_KERNEL);
 	if (unlikely(!rects)) {
 		ret = -ENOMEM;
 		goto out_unlock;
@@ -1824,10 +1825,10 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 	}
 
 	for (i = 0; i < arg->num_outputs; ++i) {
-		if (rects->x < 0 ||
-		    rects->y < 0 ||
-		    rects->x + rects->w > mode_config->max_width ||
-		    rects->y + rects->h > mode_config->max_height) {
+		if (rects[i].x < 0 ||
+		    rects[i].y < 0 ||
+		    rects[i].x + rects[i].w > mode_config->max_width ||
+		    rects[i].y + rects[i].h > mode_config->max_height) {
 			DRM_ERROR("Invalid GUI layout.\n");
 			ret = -EINVAL;
 			goto out_free;
-- 
GitLab


From 550acb19269d65f32e9ac4ddb26c2b2070e37f1c Mon Sep 17 00:00:00 2001
From: Ido Yariv <ido@wizery.com>
Date: Thu, 1 Dec 2011 13:55:08 +0200
Subject: [PATCH 1137/1594] genirq: Fix race condition when stopping the irq
 thread

In irq_wait_for_interrupt(), the should_stop member is verified before
setting the task's state to TASK_INTERRUPTIBLE and calling schedule().
In case kthread_stop sets should_stop and wakes up the process after
should_stop is checked by the irq thread but before the task's state
is changed, the irq thread might never exit:

kthread_stop                    irq_wait_for_interrupt
------------                    ----------------------

                                 ...
...                              while (!kthread_should_stop()) {
kthread->should_stop = 1;
wake_up_process(k);
wait_for_completion(&kthread->exited);
...
                                     set_current_state(TASK_INTERRUPTIBLE);

                                     ...

                                     schedule();
                                 }

Fix this by checking if the thread should stop after modifying the
task's state.

[ tglx: Simplified it a bit ]

Signed-off-by: Ido Yariv <ido@wizery.com>
Link: http://lkml.kernel.org/r/1322740508-22640-1-git-send-email-ido@wizery.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org
---
 kernel/irq/manage.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 0e2b179bc7b3..1da999f5e746 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -623,8 +623,9 @@ static irqreturn_t irq_nested_primary_handler(int irq, void *dev_id)
 
 static int irq_wait_for_interrupt(struct irqaction *action)
 {
+	set_current_state(TASK_INTERRUPTIBLE);
+
 	while (!kthread_should_stop()) {
-		set_current_state(TASK_INTERRUPTIBLE);
 
 		if (test_and_clear_bit(IRQTF_RUNTHREAD,
 				       &action->thread_flags)) {
@@ -632,7 +633,9 @@ static int irq_wait_for_interrupt(struct irqaction *action)
 			return 0;
 		}
 		schedule();
+		set_current_state(TASK_INTERRUPTIBLE);
 	}
+	__set_current_state(TASK_RUNNING);
 	return -1;
 }
 
-- 
GitLab


From dfaf3c036cd46a73f4ef3e4b75c1f647e503d4e1 Mon Sep 17 00:00:00 2001
From: Lukas Czerner <lczerner@redhat.com>
Date: Fri, 2 Dec 2011 14:47:03 +0100
Subject: [PATCH 1138/1594] loop: Fix discard_alignment default setting

discard_alignment is not relevant to the loop driver since it is
supposed to be set as a workaround for the old sector 63 alignments.
So set it to zero rather than block size.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reported-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/loop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 5579fda279b4..1e888c9e85b3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -797,7 +797,7 @@ static void loop_config_discard(struct loop_device *lo)
 	}
 
 	q->limits.discard_granularity = inode->i_sb->s_blocksize;
-	q->limits.discard_alignment = inode->i_sb->s_blocksize;
+	q->limits.discard_alignment = 0;
 	q->limits.max_discard_sectors = UINT_MAX >> 9;
 	q->limits.discard_zeroes_data = 1;
 	queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
-- 
GitLab


From cce4aa378a049f4275416ee6302dd24f37b289df Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 2 Dec 2011 15:29:12 +0100
Subject: [PATCH 1139/1594] ALSA: hda/realtek - Fix Oops in alc_mux_select()

When no imux is available (e.g. a single capture source),
alc_auto_init_input_src() may trigger an Oops due to the access to -1.
Add a proper zero-check to avoid it.

Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index cbde019d3d52..a7d1bc4e0d09 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -297,6 +297,8 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
 	imux = &spec->input_mux[mux_idx];
 	if (!imux->num_items && mux_idx > 0)
 		imux = &spec->input_mux[0];
+	if (!imux->num_items)
+		return 0;
 
 	if (idx >= imux->num_items)
 		idx = imux->num_items - 1;
-- 
GitLab


From c1be84309c58b1e7c6d626e28fba41a22b364c3d Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 2 Dec 2011 12:34:16 +0100
Subject: [PATCH 1140/1594] tick-broadcast: Stop active broadcast device when
 replacing it

When a better rated broadcast device is installed, then the current
active device is not disabled, which results in two running broadcast
devices.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
---
 kernel/time/tick-broadcast.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index f954282d9a82..fd4a7b1625a2 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -71,7 +71,7 @@ int tick_check_broadcast_device(struct clock_event_device *dev)
 	     (dev->features & CLOCK_EVT_FEAT_C3STOP))
 		return 0;
 
-	clockevents_exchange_device(NULL, dev);
+	clockevents_exchange_device(tick_broadcast_device.evtdev, dev);
 	tick_broadcast_device.evtdev = dev;
 	if (!cpumask_empty(tick_get_broadcast_mask()))
 		tick_broadcast_start_periodic(dev);
-- 
GitLab


From de28f25e8244c7353abed8de0c7792f5f883588c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 2 Dec 2011 16:02:45 +0100
Subject: [PATCH 1141/1594] clockevents: Set noop handler in
 clockevents_exchange_device()

If a device is shutdown, then there might be a pending interrupt,
which will be processed after we reenable interrupts, which causes the
original handler to be run. If the old handler is the (broadcast)
periodic handler the shutdown state might hang the kernel completely.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
---
 kernel/time/clockevents.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 1ecd6ba36d6c..c4eb71c8b2ea 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -387,6 +387,7 @@ void clockevents_exchange_device(struct clock_event_device *old,
 	 * released list and do a notify add later.
 	 */
 	if (old) {
+		old->event_handler = clockevents_handle_noop;
 		clockevents_set_mode(old, CLOCK_EVT_MODE_UNUSED);
 		list_del(&old->list);
 		list_add(&old->list, &clockevents_released);
-- 
GitLab


From 629be5f275ddf0791614f8cbdafc11bde4247850 Mon Sep 17 00:00:00 2001
From: Tony Breeds <tony@bakeyournoodle.com>
Date: Tue, 22 Nov 2011 15:39:11 +1100
Subject: [PATCH 1142/1594] mtd: ndfc: fix typo in structure dereference

In commit 9d7948c50055e74b693ce9e99a709b2e5bbc1942 (mtd: ndfc: use
ofpart through generic parsing) we dereference a non pointer type
causing the following compiler error:
drivers/mtd/nand/ndfc.c: In function 'ndfc_chip_init':
drivers/mtd/nand/ndfc.c:191: error: invalid type argument of '->' (have 'struct mtd_part_parser_data')

Fix that.

Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/ndfc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index ee1713907b92..f8aacf48ecdd 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -188,7 +188,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
 	if (!flash_np)
 		return -ENODEV;
 
-	ppdata->of_node = flash_np;
+	ppdata.of_node = flash_np;
 	ndfc->mtd.name = kasprintf(GFP_KERNEL, "%s.%s",
 			dev_name(&ndfc->ofdev->dev), flash_np->name);
 	if (!ndfc->mtd.name) {
-- 
GitLab


From 2151937d7ce491bfbe269a1ae742c6686904474c Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 1 Dec 2011 08:06:52 -0800
Subject: [PATCH 1143/1594] ceph: fix rasize reporting by ceph_show_options

Fix typo.

Reported-by: mowang da <whooya.xxl@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 8dc73a594a90..b48f15f101a0 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -383,7 +383,7 @@ static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
 	if (fsopt->rsize != CEPH_RSIZE_DEFAULT)
 		seq_printf(m, ",rsize=%d", fsopt->rsize);
 	if (fsopt->rasize != CEPH_RASIZE_DEFAULT)
-		seq_printf(m, ",rasize=%d", fsopt->rsize);
+		seq_printf(m, ",rasize=%d", fsopt->rasize);
 	if (fsopt->congestion_kb != default_congestion_kb())
 		seq_printf(m, ",write_congestion_kb=%d", fsopt->congestion_kb);
 	if (fsopt->caps_wanted_delay_min != CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT)
-- 
GitLab


From 87b86ade8bb07473596e2551de7bb64c1f44bbe4 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sun, 14 Aug 2011 13:39:20 +0900
Subject: [PATCH 1144/1594] ASoC: Mark WM8994 ADC muxes as virtual

Since they don't actually have power bits but do have events associated
with them it's important that we bootstrap their state properly which
making them virtual does.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8994.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 6c2988549003..d0c545b73d78 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -1325,15 +1325,15 @@ SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
 };
 
 static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = {
-SND_SOC_DAPM_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux,
-		   adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
-SND_SOC_DAPM_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux,
-		   adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_VIRT_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux,
+			adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_VIRT_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux,
+			adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
 };
 
 static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = {
-SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
-SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
+SND_SOC_DAPM_VIRT_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
+SND_SOC_DAPM_VIRT_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
 };
 
 static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
-- 
GitLab


From 274b89ca3b006926cb9b45d78ab5906f4c0fc0aa Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 2 Dec 2011 08:19:17 -0800
Subject: [PATCH 1145/1594] iwlagn: fix HW crypto for TX-only keys

Group keys in IBSS or AP mode are not programmed
into the device since we give the key to it with
every TX packet. However, we do need mac80211 to
create the MMIC & PN in all cases. Move the code
around to set the key flags all the time. We set
them even when the key is removed again but that
is obviously harmless.

Cc: stable@vger.kernel.org
Reported-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-sta.c |  5 -----
 drivers/net/wireless/iwlwifi/iwl-agn.c     | 11 +++++++++++
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index ed6283623932..4b2aa1da0953 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -1268,9 +1268,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
 
 	switch (keyconf->cipher) {
 	case WLAN_CIPHER_SUITE_TKIP:
-		keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
-		keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-
 		if (sta)
 			addr = sta->addr;
 		else /* station mode case only */
@@ -1283,8 +1280,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
 					  seq.tkip.iv32, p1k, CMD_SYNC);
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
-		keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-		/* fall through */
 	case WLAN_CIPHER_SUITE_WEP40:
 	case WLAN_CIPHER_SUITE_WEP104:
 		ret = iwlagn_send_sta_key(priv, keyconf, sta_id,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index ccba69b7f8a7..6094deab5106 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2316,6 +2316,17 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		return -EOPNOTSUPP;
 	}
 
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_TKIP:
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+		/* fall through */
+	case WLAN_CIPHER_SUITE_CCMP:
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+		break;
+	default:
+		break;
+	}
+
 	/*
 	 * We could program these keys into the hardware as well, but we
 	 * don't expect much multicast traffic in IBSS and having keys
-- 
GitLab


From 34a5b4b6af104cf18eb50748509528b9bdbc4036 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 2 Dec 2011 08:19:18 -0800
Subject: [PATCH 1146/1594] iwlwifi: do not re-configure HT40 after associated

The ht40 setting should not change after association unless channel switch

This fix a problem we are seeing which cause uCode assert because driver
sending invalid information and make uCode confuse

Here is the firmware assert message:
kernel: iwlagn 0000:03:00.0: Microcode SW error detected.  Restarting 0x82000000.
kernel: iwlagn 0000:03:00.0: Loaded firmware version: 17.168.5.3 build 42301
kernel: iwlagn 0000:03:00.0: Start IWL Error Log Dump:
kernel: iwlagn 0000:03:00.0: Status: 0x000512E4, count: 6
kernel: iwlagn 0000:03:00.0: 0x00002078 | ADVANCED_SYSASSERT
kernel: iwlagn 0000:03:00.0: 0x00009514 | uPc
kernel: iwlagn 0000:03:00.0: 0x00009496 | branchlink1
kernel: iwlagn 0000:03:00.0: 0x00009496 | branchlink2
kernel: iwlagn 0000:03:00.0: 0x0000D1F2 | interruptlink1
kernel: iwlagn 0000:03:00.0: 0x00000000 | interruptlink2
kernel: iwlagn 0000:03:00.0: 0x01008035 | data1
kernel: iwlagn 0000:03:00.0: 0x0000C90F | data2
kernel: iwlagn 0000:03:00.0: 0x000005A7 | line
kernel: iwlagn 0000:03:00.0: 0x5080B520 | beacon time
kernel: iwlagn 0000:03:00.0: 0xCC515AE0 | tsf low
kernel: iwlagn 0000:03:00.0: 0x00000003 | tsf hi
kernel: iwlagn 0000:03:00.0: 0x00000000 | time gp1
kernel: iwlagn 0000:03:00.0: 0x29703BF0 | time gp2
kernel: iwlagn 0000:03:00.0: 0x00000000 | time gp3
kernel: iwlagn 0000:03:00.0: 0x000111A8 | uCode version
kernel: iwlagn 0000:03:00.0: 0x000000B0 | hw version
kernel: iwlagn 0000:03:00.0: 0x00480303 | board version
kernel: iwlagn 0000:03:00.0: 0x09E8004E | hcmd
kernel: iwlagn 0000:03:00.0: CSR values:
kernel: iwlagn 0000:03:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
kernel: iwlagn 0000:03:00.0:        CSR_HW_IF_CONFIG_REG: 0X00480303
kernel: iwlagn 0000:03:00.0:          CSR_INT_COALESCING: 0X0000ff40
kernel: iwlagn 0000:03:00.0:                     CSR_INT: 0X00000000
kernel: iwlagn 0000:03:00.0:                CSR_INT_MASK: 0X00000000
kernel: iwlagn 0000:03:00.0:           CSR_FH_INT_STATUS: 0X00000000
kernel: iwlagn 0000:03:00.0:                 CSR_GPIO_IN: 0X00000030
kernel: iwlagn 0000:03:00.0:                   CSR_RESET: 0X00000000
kernel: iwlagn 0000:03:00.0:                CSR_GP_CNTRL: 0X080403c5
kernel: iwlagn 0000:03:00.0:                  CSR_HW_REV: 0X000000b0
kernel: iwlagn 0000:03:00.0:              CSR_EEPROM_REG: 0X07d60ffd
kernel: iwlagn 0000:03:00.0:               CSR_EEPROM_GP: 0X90000001
kernel: iwlagn 0000:03:00.0:              CSR_OTP_GP_REG: 0X00030001
kernel: iwlagn 0000:03:00.0:                 CSR_GIO_REG: 0X00080044
kernel: iwlagn 0000:03:00.0:            CSR_GP_UCODE_REG: 0X000093bb
kernel: iwlagn 0000:03:00.0:           CSR_GP_DRIVER_REG: 0X00000000
kernel: iwlagn 0000:03:00.0:           CSR_UCODE_DRV_GP1: 0X00000000
kernel: iwlagn 0000:03:00.0:           CSR_UCODE_DRV_GP2: 0X00000000
kernel: iwlagn 0000:03:00.0:                 CSR_LED_REG: 0X00000078
kernel: iwlagn 0000:03:00.0:        CSR_DRAM_INT_TBL_REG: 0X88214dd2
kernel: iwlagn 0000:03:00.0:        CSR_GIO_CHICKEN_BITS: 0X27800200
kernel: iwlagn 0000:03:00.0:             CSR_ANA_PLL_CFG: 0X00000000
kernel: iwlagn 0000:03:00.0:           CSR_HW_REV_WA_REG: 0X0001001a
kernel: iwlagn 0000:03:00.0:        CSR_DBG_HPET_MEM_REG: 0Xffff0010
kernel: iwlagn 0000:03:00.0: FH register values:
kernel: iwlagn 0000:03:00.0:         FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X21316d00
kernel: iwlagn 0000:03:00.0:        FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X021479c0
kernel: iwlagn 0000:03:00.0:                  FH_RSCSR_CHNL0_WPTR: 0X00000060
kernel: iwlagn 0000:03:00.0:         FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80819104
kernel: iwlagn 0000:03:00.0:          FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
kernel: iwlagn 0000:03:00.0:            FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
kernel: iwlagn 0000:03:00.0:    FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
kernel: iwlagn 0000:03:00.0:                FH_TSSR_TX_STATUS_REG: 0X07ff0001
kernel: iwlagn 0000:03:00.0:                 FH_TSSR_TX_ERROR_REG: 0X00000000
kernel: iwlagn 0000:03:00.0: Start IWL Event Log Dump: display last 20 entries
kernel: ------------[ cut here ]------------
WARNING: at net/mac80211/util.c:1208 ieee80211_reconfig+0x1f1/0x407()
kernel: Hardware name: 4290W4H
kernel: Pid: 1896, comm: kworker/0:0 Not tainted 3.1.0 #2
kernel: Call Trace:
kernel:  [<ffffffff81036558>] ? warn_slowpath_common+0x73/0x87
kernel:  [<ffffffff813b8966>] ? ieee80211_reconfig+0x1f1/0x407
kernel:  [<ffffffff8139e8dc>] ? ieee80211_recalc_smps_work+0x32/0x32
kernel:  [<ffffffff8139e95a>] ? ieee80211_restart_work+0x7e/0x87
kernel:  [<ffffffff810472fa>] ? process_one_work+0x1c8/0x2e3
kernel:  [<ffffffff810480c9>] ? worker_thread+0x17a/0x23a
kernel:  [<ffffffff81047f4f>] ? manage_workers.clone.18+0x15b/0x15b
kernel:  [<ffffffff81047f4f>] ? manage_workers.clone.18+0x15b/0x15b
kernel:  [<ffffffff8104ba97>] ? kthread+0x7a/0x82
kernel:  [<ffffffff813d21b4>] ? kernel_thread_helper+0x4/0x10
kernel:  [<ffffffff8104ba1d>] ? kthread_flush_work_fn+0x11/0x11
kernel:  [<ffffffff813d21b0>] ? gs_change+0xb/0xb

Cc: <stable@kernel.org> 3.1+
Reported-by: Udo Steinberg <udo@hypervisor.org>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 36 +++++++++++++--------
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 18 ++---------
 drivers/net/wireless/iwlwifi/iwl-agn.h      |  2 ++
 3 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 58a381c01c89..a7a6def40d05 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -528,6 +528,24 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 	return 0;
 }
 
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+	struct iwl_rxon_context *ctx)
+{
+	if (conf_is_ht40_minus(conf)) {
+		ctx->ht.extension_chan_offset =
+			IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+		ctx->ht.is_40mhz = true;
+	} else if (conf_is_ht40_plus(conf)) {
+		ctx->ht.extension_chan_offset =
+			IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+		ctx->ht.is_40mhz = true;
+	} else {
+		ctx->ht.extension_chan_offset =
+			IEEE80211_HT_PARAM_CHA_SEC_NONE;
+		ctx->ht.is_40mhz = false;
+	}
+}
+
 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
 {
 	struct iwl_priv *priv = hw->priv;
@@ -586,19 +604,11 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
 				ctx->ht.enabled = conf_is_ht(conf);
 
 			if (ctx->ht.enabled) {
-				if (conf_is_ht40_minus(conf)) {
-					ctx->ht.extension_chan_offset =
-						IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-					ctx->ht.is_40mhz = true;
-				} else if (conf_is_ht40_plus(conf)) {
-					ctx->ht.extension_chan_offset =
-						IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-					ctx->ht.is_40mhz = true;
-				} else {
-					ctx->ht.extension_chan_offset =
-						IEEE80211_HT_PARAM_CHA_SEC_NONE;
-					ctx->ht.is_40mhz = false;
-				}
+				/* if HT40 is used, it should not change
+				 * after associated except channel switch */
+				if (iwl_is_associated_ctx(ctx) &&
+				     !ctx->ht.is_40mhz)
+					iwlagn_config_ht40(conf, ctx);
 			} else
 				ctx->ht.is_40mhz = false;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6094deab5106..f5564514868e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2610,21 +2610,9 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
 
 	/* Configure HT40 channels */
 	ctx->ht.enabled = conf_is_ht(conf);
-	if (ctx->ht.enabled) {
-		if (conf_is_ht40_minus(conf)) {
-			ctx->ht.extension_chan_offset =
-				IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-			ctx->ht.is_40mhz = true;
-		} else if (conf_is_ht40_plus(conf)) {
-			ctx->ht.extension_chan_offset =
-				IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-			ctx->ht.is_40mhz = true;
-		} else {
-			ctx->ht.extension_chan_offset =
-				IEEE80211_HT_PARAM_CHA_SEC_NONE;
-			ctx->ht.is_40mhz = false;
-		}
-	} else
+	if (ctx->ht.enabled)
+		iwlagn_config_ht40(conf, ctx);
+	else
 		ctx->ht.is_40mhz = false;
 
 	if ((le16_to_cpu(ctx->staging.channel) != ch))
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 5b936ec1a541..3856abaea507 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -86,6 +86,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif,
 			     struct ieee80211_bss_conf *bss_conf,
 			     u32 changes);
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+			struct iwl_rxon_context *ctx);
 
 /* uCode */
 int iwlagn_rx_calib_result(struct iwl_priv *priv,
-- 
GitLab


From 9995ffe5f5fdddcc73e4465cc3f8b38714df8108 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 2 Dec 2011 08:19:19 -0800
Subject: [PATCH 1147/1594] iwlwifi: change the default behavior of watchdog
 timer

The current default watchdog timer is enabled, but we are seeing issues on
legacy devices. So change the default setting of watchdog timer to per
device based. But user still can use the "wd_disable" module parameter
to overwrite the system setting

Cc: stable@vger.kernel.org #3.0+
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c   |  1 +
 drivers/net/wireless/iwlwifi/iwl-5000.c   |  1 +
 drivers/net/wireless/iwlwifi/iwl-agn.c    |  5 +++--
 drivers/net/wireless/iwlwifi/iwl-core.c   | 22 +++++++++++++++++-----
 drivers/net/wireless/iwlwifi/iwl-core.h   |  2 ++
 drivers/net/wireless/iwlwifi/iwl-shared.h |  4 ++--
 6 files changed, 26 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index e12b48c2cff6..dd008b0e6417 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -191,6 +191,7 @@ static struct iwl_base_params iwl1000_base_params = {
 	.chain_noise_scale = 1000,
 	.wd_timeout = IWL_DEF_WD_TIMEOUT,
 	.max_event_log_size = 128,
+	.wd_disable = true,
 };
 static struct iwl_ht_params iwl1000_ht_params = {
 	.ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index c511c98a89a8..f55fb2d1af52 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -364,6 +364,7 @@ static struct iwl_base_params iwl5000_base_params = {
 	.wd_timeout = IWL_LONG_WD_TIMEOUT,
 	.max_event_log_size = 512,
 	.no_idle_support = true,
+	.wd_disable = true,
 };
 static struct iwl_ht_params iwl5000_ht_params = {
 	.ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index f5564514868e..bacc06c95e7a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3498,9 +3498,10 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
 module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
 MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
 
-module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO);
+module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO);
 MODULE_PARM_DESC(wd_disable,
-		"Disable stuck queue watchdog timer (default: 0 [enabled])");
+		"Disable stuck queue watchdog timer 0=system default, "
+		"1=disable, 2=enable (default: 0)");
 
 /*
  * set bt_coex_active to true, uCode will do kill/defer
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 001fdf140abb..fcf54160e4ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1810,11 +1810,23 @@ void iwl_setup_watchdog(struct iwl_priv *priv)
 {
 	unsigned int timeout = priv->cfg->base_params->wd_timeout;
 
-	if (timeout && !iwlagn_mod_params.wd_disable)
-		mod_timer(&priv->watchdog,
-			  jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout)));
-	else
-		del_timer(&priv->watchdog);
+	if (!iwlagn_mod_params.wd_disable) {
+		/* use system default */
+		if (timeout && !priv->cfg->base_params->wd_disable)
+			mod_timer(&priv->watchdog,
+				jiffies +
+				msecs_to_jiffies(IWL_WD_TICK(timeout)));
+		else
+			del_timer(&priv->watchdog);
+	} else {
+		/* module parameter overwrite default configuration */
+		if (timeout && iwlagn_mod_params.wd_disable == 2)
+			mod_timer(&priv->watchdog,
+				jiffies +
+				msecs_to_jiffies(IWL_WD_TICK(timeout)));
+		else
+			del_timer(&priv->watchdog);
+	}
 }
 
 /**
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 137da3380704..f2fc288f3dd3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -113,6 +113,7 @@ struct iwl_lib_ops {
  * @shadow_reg_enable: HW shadhow register bit
  * @no_idle_support: do not support idle mode
  * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
+ * wd_disable: disable watchdog timer
  */
 struct iwl_base_params {
 	int eeprom_size;
@@ -134,6 +135,7 @@ struct iwl_base_params {
 	const bool shadow_reg_enable;
 	const bool no_idle_support;
 	const bool hd_v2;
+	const bool wd_disable;
 };
 /*
  * @advanced_bt_coexist: support advanced bt coexist
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 1f7a93c67c45..14eaf37ce3b1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -120,7 +120,7 @@ extern struct iwl_mod_params iwlagn_mod_params;
  * @restart_fw: restart firmware, default = 1
  * @plcp_check: enable plcp health check, default = true
  * @ack_check: disable ack health check, default = false
- * @wd_disable: enable stuck queue check, default = false
+ * @wd_disable: enable stuck queue check, default = 0
  * @bt_coex_active: enable bt coex, default = true
  * @led_mode: system default, default = 0
  * @no_sleep_autoadjust: disable autoadjust, default = true
@@ -141,7 +141,7 @@ struct iwl_mod_params {
 	int restart_fw;
 	bool plcp_check;
 	bool ack_check;
-	bool wd_disable;
+	int  wd_disable;
 	bool bt_coex_active;
 	int led_mode;
 	bool no_sleep_autoadjust;
-- 
GitLab


From a99ebf43f49f4499ab0e2a8a9132ad6ed6ba2409 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Thu, 1 Dec 2011 11:24:20 +0000
Subject: [PATCH 1148/1594] xfs: fix allocation length overflow in
 xfs_bmapi_write()

When testing the new xfstests --large-fs option that does very large
file preallocations, this assert was tripped deep in
xfs_alloc_vextent():

XFS: Assertion failed: args->minlen <= args->maxlen, file: fs/xfs/xfs_alloc.c, line: 2239

The allocation was trying to allocate a zero length extent because
the lower 32 bits of the allocation length was zero. The remaining
length of the allocation to be done was an exact multiple of 2^32 -
the first case I saw was at 496TB remaining to be allocated.

This turns out to be an overflow when converting the allocation
length (a 64 bit quantity) into the extent length to allocate (a 32
bit quantity), and it requires the length to be allocated an exact
multiple of 2^32 blocks to trip the assert.

Fix it by limiting the extent lenth to allocate to MAXEXTLEN.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_bmap.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index c68baeb0974a..d0ab78837057 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -2383,6 +2383,8 @@ xfs_bmap_btalloc(
 	int		tryagain;
 	int		error;
 
+	ASSERT(ap->length);
+
 	mp = ap->ip->i_mount;
 	align = ap->userdata ? xfs_get_extsz_hint(ap->ip) : 0;
 	if (unlikely(align)) {
@@ -4629,6 +4631,8 @@ xfs_bmapi_allocate(
 	int			error;
 	int			rt;
 
+	ASSERT(bma->length > 0);
+
 	rt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(bma->ip);
 
 	/*
@@ -4849,6 +4853,7 @@ xfs_bmapi_write(
 	ASSERT(*nmap <= XFS_BMAP_MAX_NMAP);
 	ASSERT(!(flags & XFS_BMAPI_IGSTATE));
 	ASSERT(tp != NULL);
+	ASSERT(len > 0);
 
 	whichfork = (flags & XFS_BMAPI_ATTRFORK) ?
 		XFS_ATTR_FORK : XFS_DATA_FORK;
@@ -4918,9 +4923,22 @@ xfs_bmapi_write(
 			bma.eof = eof;
 			bma.conv = !!(flags & XFS_BMAPI_CONVERT);
 			bma.wasdel = wasdelay;
-			bma.length = len;
 			bma.offset = bno;
 
+			/*
+			 * There's a 32/64 bit type mismatch between the
+			 * allocation length request (which can be 64 bits in
+			 * length) and the bma length request, which is
+			 * xfs_extlen_t and therefore 32 bits. Hence we have to
+			 * check for 32-bit overflows and handle them here.
+			 */
+			if (len > (xfs_filblks_t)MAXEXTLEN)
+				bma.length = MAXEXTLEN;
+			else
+				bma.length = len;
+
+			ASSERT(len > 0);
+			ASSERT(bma.length > 0);
 			error = xfs_bmapi_allocate(&bma, flags);
 			if (error)
 				goto error0;
-- 
GitLab


From 54a8a79c55ce283c94ce4c67a98d28c21830405a Mon Sep 17 00:00:00 2001
From: Cong Wang <amwang@redhat.com>
Date: Tue, 22 Nov 2011 09:32:57 +0800
Subject: [PATCH 1149/1594] btusb: fix a memory leak in btusb_send_frame()

This patch fixes the following memory leak reported by kmemleak:

unreferenced object 0xffff880060a53840 (size 192):
  comm "softirq", pid 0, jiffies 4320571771 (age 1406.569s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff81138a1c>] create_object+0x187/0x28b
    [<ffffffff814be12e>] kmemleak_alloc+0x73/0x98
    [<ffffffff811289d3>] __kmalloc+0xfc/0x123
    [<ffffffff81386546>] usb_alloc_urb+0x1e/0x48
    [<ffffffffa0130274>] btusb_send_frame+0x86/0x385 [btusb]
    [<ffffffffa02d8230>] hci_send_frame+0xa0/0xa5 [bluetooth]
    [<ffffffffa02d8a4e>] hci_cmd_task+0xa0/0xfb [bluetooth]
    [<ffffffff81058548>] tasklet_action+0x8f/0xef
    [<ffffffff81058a4c>] __do_softirq+0xf4/0x1db
    [<ffffffff81058bb7>] run_ksoftirqd+0x84/0x129
    [<ffffffff8106f1c4>] kthread+0xa0/0xa8
    [<ffffffff814dd144>] kernel_thread_helper+0x4/0x10
    [<ffffffffffffffff>] 0xffffffffffffffff

The problem is that when inc_tx() returns non-zero, we forgot
to call usb_free_urb().

Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: "Gustavo F. Padovan" <padovan@profusion.mobi>
Signed-off-by: WANG Cong <amwang@redhat.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 drivers/bluetooth/btusb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index fe4ebc375b3d..eabc437ce500 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -777,9 +777,8 @@ skip_waking:
 		usb_mark_last_busy(data->udev);
 	}
 
-	usb_free_urb(urb);
-
 done:
+	usb_free_urb(urb);
 	return err;
 }
 
-- 
GitLab


From 33cb722c22f28964a501a56cc76397834c221c7a Mon Sep 17 00:00:00 2001
From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Date: Wed, 23 Nov 2011 11:23:34 +0200
Subject: [PATCH 1150/1594] Bluetooth: Correct version check in hci_setup

Check for hci_ver instead of lmp_ver

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/hci_event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index d7d96b6b1f0d..643a41b76e2e 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -545,7 +545,7 @@ static void hci_setup(struct hci_dev *hdev)
 {
 	hci_setup_event_mask(hdev);
 
-	if (hdev->lmp_ver > 1)
+	if (hdev->hci_ver > 1)
 		hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
 
 	if (hdev->features[6] & LMP_SIMPLE_PAIR) {
-- 
GitLab


From f61759e6b831a55b89e584b198c3da325e2bc379 Mon Sep 17 00:00:00 2001
From: Julian Anastasov <ja@ssi.bg>
Date: Fri, 2 Dec 2011 11:39:42 +0000
Subject: [PATCH 1151/1594] ipv4: make sure RTO_ONLINK is saved in routing
 cache

__mkroute_output fails to work with the original tos
and uses value with stripped RTO_ONLINK bit. Make sure we put
the original TOS bits into rt_key_tos because it used to match
cached route.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index ca5e237df029..588d971a3ba1 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -112,7 +112,7 @@
 #include <net/secure_seq.h>
 
 #define RT_FL_TOS(oldflp4) \
-    ((u32)(oldflp4->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK)))
+	((oldflp4)->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK))
 
 #define IP_MAX_MTU	0xFFF0
 
@@ -2441,11 +2441,11 @@ EXPORT_SYMBOL(ip_route_input_common);
 static struct rtable *__mkroute_output(const struct fib_result *res,
 				       const struct flowi4 *fl4,
 				       __be32 orig_daddr, __be32 orig_saddr,
-				       int orig_oif, struct net_device *dev_out,
+				       int orig_oif, __u8 orig_rtos,
+				       struct net_device *dev_out,
 				       unsigned int flags)
 {
 	struct fib_info *fi = res->fi;
-	u32 tos = RT_FL_TOS(fl4);
 	struct in_device *in_dev;
 	u16 type = res->type;
 	struct rtable *rth;
@@ -2496,7 +2496,7 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
 	rth->rt_genid = rt_genid(dev_net(dev_out));
 	rth->rt_flags	= flags;
 	rth->rt_type	= type;
-	rth->rt_key_tos	= tos;
+	rth->rt_key_tos	= orig_rtos;
 	rth->rt_dst	= fl4->daddr;
 	rth->rt_src	= fl4->saddr;
 	rth->rt_route_iif = 0;
@@ -2546,7 +2546,7 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
 static struct rtable *ip_route_output_slow(struct net *net, struct flowi4 *fl4)
 {
 	struct net_device *dev_out = NULL;
-	u32 tos	= RT_FL_TOS(fl4);
+	__u8 tos = RT_FL_TOS(fl4);
 	unsigned int flags = 0;
 	struct fib_result res;
 	struct rtable *rth;
@@ -2722,7 +2722,7 @@ static struct rtable *ip_route_output_slow(struct net *net, struct flowi4 *fl4)
 
 make_route:
 	rth = __mkroute_output(&res, fl4, orig_daddr, orig_saddr, orig_oif,
-			       dev_out, flags);
+			       tos, dev_out, flags);
 	if (!IS_ERR(rth)) {
 		unsigned int hash;
 
-- 
GitLab


From 36d54dc0c893b143748bcf13a1e3b7a00696115d Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sat, 3 Dec 2011 18:38:25 +0800
Subject: [PATCH 1152/1594] ASoC: kirkwood: Make SND_KIRKWOOD_SOC_OPENRD and
 SND_KIRKWOOD_SOC_T5325 depend on I2C

SND_KIRKWOOD_SOC_T5325 selects SND_SOC_ALC5623, but SND_SOC_ALC5623 needs
CONFIG_I2C. So we need to make SND_KIRKWOOD_SOC_T5325 depend on I2C,
otherwise I got below build error if CONFIG_I2C is not selected.

  CC      sound/soc/codecs/alc5623.o
sound/soc/codecs/alc5623.c: In function 'alc5623_i2c_probe':
sound/soc/codecs/alc5623.c:1002: error: implicit declaration of function 'i2c_smbus_read_word_data'
sound/soc/codecs/alc5623.c:1009: error: implicit declaration of function 'i2c_smbus_read_byte_data'
sound/soc/codecs/alc5623.c: In function 'alc5623_modinit':
sound/soc/codecs/alc5623.c:1096: error: implicit declaration of function 'i2c_add_driver'
sound/soc/codecs/alc5623.c: In function 'alc5623_modexit':
sound/soc/codecs/alc5623.c:1108: error: implicit declaration of function 'i2c_del_driver'
make[3]: *** [sound/soc/codecs/alc5623.o] Error 1
make[2]: *** [sound/soc/codecs] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

Also fix the same issue for SND_KIRKWOOD_SOC_OPENRD.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/kirkwood/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/kirkwood/Kconfig b/sound/soc/kirkwood/Kconfig
index 8f49e165f4d1..c62d715235e2 100644
--- a/sound/soc/kirkwood/Kconfig
+++ b/sound/soc/kirkwood/Kconfig
@@ -12,6 +12,7 @@ config SND_KIRKWOOD_SOC_I2S
 config SND_KIRKWOOD_SOC_OPENRD
 	tristate "SoC Audio support for Kirkwood Openrd Client"
 	depends on SND_KIRKWOOD_SOC && (MACH_OPENRD_CLIENT || MACH_OPENRD_ULTIMATE)
+	depends on I2C
 	select SND_KIRKWOOD_SOC_I2S
 	select SND_SOC_CS42L51
 	help
@@ -20,7 +21,7 @@ config SND_KIRKWOOD_SOC_OPENRD
 
 config SND_KIRKWOOD_SOC_T5325
 	tristate "SoC Audio support for HP t5325"
-	depends on SND_KIRKWOOD_SOC && MACH_T5325
+	depends on SND_KIRKWOOD_SOC && MACH_T5325 && I2C
 	select SND_KIRKWOOD_SOC_I2S
 	select SND_SOC_ALC5623
 	help
-- 
GitLab


From e5fd47bfab2df0c2184cc0bf4245d8e1bb7724fb Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Mon, 21 Nov 2011 18:02:02 -0500
Subject: [PATCH 1153/1594] xen/pm_idle: Make pm_idle be default_idle under
 Xen.

The idea behind commit d91ee5863b71 ("cpuidle: replace xen access to x86
pm_idle and default_idle") was to have one call - disable_cpuidle()
which would make pm_idle not be molested by other code.  It disallows
cpuidle_idle_call to be set to pm_idle (which is excellent).

But in the select_idle_routine() and idle_setup(), the pm_idle can still
be set to either: amd_e400_idle, mwait_idle or default_idle.  This
depends on some CPU flags (MWAIT) and in AMD case on the type of CPU.

In case of mwait_idle we can hit some instances where the hypervisor
(Amazon EC2 specifically) sets the MWAIT and we get:

  Brought up 2 CPUs
  invalid opcode: 0000 [#1] SMP

  Pid: 0, comm: swapper Not tainted 3.1.0-0.rc6.git0.3.fc16.x86_64 #1
  RIP: e030:[<ffffffff81015d1d>]  [<ffffffff81015d1d>] mwait_idle+0x6f/0xb4
  ...
  Call Trace:
   [<ffffffff8100e2ed>] cpu_idle+0xae/0xe8
   [<ffffffff8149ee78>] cpu_bringup_and_idle+0xe/0x10
  RIP  [<ffffffff81015d1d>] mwait_idle+0x6f/0xb4
   RSP <ffff8801d28ddf10>

In the case of amd_e400_idle we don't get so spectacular crashes, but we
do end up making an MSR which is trapped in the hypervisor, and then
follow it up with a yield hypercall.  Meaning we end up going to
hypervisor twice instead of just once.

The previous behavior before v3.0 was that pm_idle was set to
default_idle regardless of select_idle_routine/idle_setup.

We want to do that, but only for one specific case: Xen.  This patch
does that.

Fixes RH BZ #739499 and Ubuntu #881076
Reported-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/include/asm/system.h | 1 +
 arch/x86/kernel/process.c     | 8 ++++++++
 arch/x86/xen/setup.c          | 2 +-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index c2ff2a1d845e..2d2f01ce6dcb 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -401,6 +401,7 @@ extern unsigned long arch_align_stack(unsigned long sp);
 extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
 
 void default_idle(void);
+bool set_pm_idle_to_default(void);
 
 void stop_this_cpu(void *dummy);
 
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index b9b3b1a51643..ee5d4fbd53b4 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -403,6 +403,14 @@ void default_idle(void)
 EXPORT_SYMBOL(default_idle);
 #endif
 
+bool set_pm_idle_to_default(void)
+{
+	bool ret = !!pm_idle;
+
+	pm_idle = default_idle;
+
+	return ret;
+}
 void stop_this_cpu(void *dummy)
 {
 	local_irq_disable();
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 38d0af4fefec..1093f80c162d 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -410,6 +410,6 @@ void __init xen_arch_setup(void)
 #endif
 	disable_cpuidle();
 	boot_option_idle_override = IDLE_HALT;
-
+	WARN_ON(set_pm_idle_to_default());
 	fiddle_vdso();
 }
-- 
GitLab


From 3989efb77046ad334518b6cddcf817184affe7c9 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Thu, 1 Dec 2011 11:37:20 -0500
Subject: [PATCH 1154/1594] arch/tile: add a few #includes and an EXPORT to
 catch up with kernel changes.

The empty_zero_page[] export is required for ZERO_PAGE() module references.
The #includes are due to changes in implicit inclusion, and should of
course have been in the sources from the beginning.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
---
 arch/tile/kernel/pci-dma.c | 1 +
 arch/tile/kernel/pci.c     | 1 +
 arch/tile/kernel/sysfs.c   | 1 +
 arch/tile/lib/exports.c    | 3 +++
 4 files changed, 6 insertions(+)

diff --git a/arch/tile/kernel/pci-dma.c b/arch/tile/kernel/pci-dma.c
index 658f2ce426a4..b3ed19f8779c 100644
--- a/arch/tile/kernel/pci-dma.c
+++ b/arch/tile/kernel/pci-dma.c
@@ -15,6 +15,7 @@
 #include <linux/mm.h>
 #include <linux/dma-mapping.h>
 #include <linux/vmalloc.h>
+#include <linux/export.h>
 #include <asm/tlbflush.h>
 #include <asm/homecache.h>
 
diff --git a/arch/tile/kernel/pci.c b/arch/tile/kernel/pci.c
index 2a8014cb1ff5..9d610d3fb11e 100644
--- a/arch/tile/kernel/pci.c
+++ b/arch/tile/kernel/pci.c
@@ -24,6 +24,7 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/uaccess.h>
+#include <linux/export.h>
 
 #include <asm/processor.h>
 #include <asm/sections.h>
diff --git a/arch/tile/kernel/sysfs.c b/arch/tile/kernel/sysfs.c
index b671a86f4515..602908268093 100644
--- a/arch/tile/kernel/sysfs.c
+++ b/arch/tile/kernel/sysfs.c
@@ -18,6 +18,7 @@
 #include <linux/cpu.h>
 #include <linux/slab.h>
 #include <linux/smp.h>
+#include <linux/stat.h>
 #include <hv/hypervisor.h>
 
 /* Return a string queried from the hypervisor, truncated to page size. */
diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c
index a87d2a859ba9..2a81d32de0da 100644
--- a/arch/tile/lib/exports.c
+++ b/arch/tile/lib/exports.c
@@ -39,6 +39,9 @@ EXPORT_SYMBOL(finv_user_asm);
 EXPORT_SYMBOL(current_text_addr);
 EXPORT_SYMBOL(dump_stack);
 
+/* arch/tile/kernel/head.S */
+EXPORT_SYMBOL(empty_zero_page);
+
 /* arch/tile/lib/, various memcpy files */
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(__copy_to_user_inatomic);
-- 
GitLab


From c2851a9b1caa420c2cdbd517617166990e3723c0 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Thu, 1 Dec 2011 12:51:05 -0500
Subject: [PATCH 1155/1594] arch/tile: fix double-free bug in
 homecache_free_pages()

When freeing the page with this API, the page was "put" twice.
This was only discovered bringing up an MPT fusion controller, which
actually used the API; it hadn't been invoked previously, so the bug
had gone unnoticed.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
---
 arch/tile/mm/homecache.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c
index cbe6f4f9eca3..1cc6ae477c98 100644
--- a/arch/tile/mm/homecache.c
+++ b/arch/tile/mm/homecache.c
@@ -449,9 +449,12 @@ void homecache_free_pages(unsigned long addr, unsigned int order)
 	VM_BUG_ON(!virt_addr_valid((void *)addr));
 	page = virt_to_page((void *)addr);
 	if (put_page_testzero(page)) {
-		int pages = (1 << order);
 		homecache_change_page_home(page, order, initial_page_home());
-		while (pages--)
-			__free_page(page++);
+		if (order == 0) {
+			free_hot_cold_page(page, 0);
+		} else {
+			init_page_count(page);
+			__free_pages(page, order);
+		}
 	}
 }
-- 
GitLab


From a67ba43d30bf8c1cfdc2615439455302d2408453 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Thu, 1 Dec 2011 12:54:31 -0500
Subject: [PATCH 1156/1594] asm-generic/unistd.h: support new
 process_vm_{readv,write} syscalls

Also prototype the "compat" functions so they can be referenced
from C code.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
---
 include/asm-generic/unistd.h | 8 +++++++-
 include/linux/compat.h       | 9 +++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index f4c38d8c6674..2292d1af9d70 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -685,9 +685,15 @@ __SYSCALL(__NR_syncfs, sys_syncfs)
 __SYSCALL(__NR_setns, sys_setns)
 #define __NR_sendmmsg 269
 __SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg)
+#define __NR_process_vm_readv 270
+__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \
+          compat_sys_process_vm_readv)
+#define __NR_process_vm_writev 271
+__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
+          compat_sys_process_vm_writev)
 
 #undef __NR_syscalls
-#define __NR_syscalls 270
+#define __NR_syscalls 272
 
 /*
  * All syscalls below here should go away really,
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 154bf5683015..66ed067fb729 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -552,5 +552,14 @@ extern ssize_t compat_rw_copy_check_uvector(int type,
 
 extern void __user *compat_alloc_user_space(unsigned long len);
 
+asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
+		const struct compat_iovec __user *lvec,
+		unsigned long liovcnt, const struct compat_iovec __user *rvec,
+		unsigned long riovcnt, unsigned long flags);
+asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
+		const struct compat_iovec __user *lvec,
+		unsigned long liovcnt, const struct compat_iovec __user *rvec,
+		unsigned long riovcnt, unsigned long flags);
+
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */
-- 
GitLab


From 781a5e92bc3b666bc5752e3ce7e977978c2f64e9 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Thu, 1 Dec 2011 12:56:03 -0500
Subject: [PATCH 1157/1594] drivers/net/ethernet/tile: use skb_frag_page() API

This replaces raw access to the "page" field of the skb_frag_t.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/tile/tilepro.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 10826d8a2a2d..1c0f9facb9b1 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -1697,7 +1697,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
 	for (i = 0; i < sh->nr_frags; i++) {
 
 		skb_frag_t *f = &sh->frags[i];
-		unsigned long pfn = page_to_pfn(f->page);
+		unsigned long pfn = page_to_pfn(skb_frag_page(f));
 
 		/* FIXME: Compute "hash_for_home" properly. */
 		/* ISSUE: The hypervisor checks CHIP_HAS_REV1_DMA_PACKETS(). */
@@ -1706,7 +1706,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
 		/* FIXME: Hmmm. */
 		if (!hash_default) {
 			void *va = pfn_to_kaddr(pfn) + f->page_offset;
-			BUG_ON(PageHighMem(f->page));
+			BUG_ON(PageHighMem(skb_frag_page(f)));
 			finv_buffer_remote(va, f->size, 0);
 		}
 
-- 
GitLab


From 0c90547b4a3fcee184db4d54ffc1a4fb17fd54d6 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Thu, 1 Dec 2011 12:58:19 -0500
Subject: [PATCH 1158/1594] arch/tile: use new generic
 {enable,disable}_percpu_irq() routines

We provided very similar routines internally, but now we can hook
into the generic framework by supplying our routines as function
pointers in the irq_chip structure instead.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
---
 arch/tile/include/asm/irq.h         | 10 ----------
 arch/tile/kernel/irq.c              | 16 ++++++++--------
 drivers/net/ethernet/tile/tilepro.c |  4 ++--
 3 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/arch/tile/include/asm/irq.h b/arch/tile/include/asm/irq.h
index 94e9a511de84..f80f8ceabc67 100644
--- a/arch/tile/include/asm/irq.h
+++ b/arch/tile/include/asm/irq.h
@@ -74,16 +74,6 @@ enum {
  */
 void tile_irq_activate(unsigned int irq, int tile_irq_type);
 
-/*
- * For onboard, non-PCI (e.g. TILE_IRQ_PERCPU) devices, drivers know
- * how to use enable/disable_percpu_irq() to manage interrupts on each
- * core.  We can't use the generic enable/disable_irq() because they
- * use a single reference count per irq, rather than per cpu per irq.
- */
-void enable_percpu_irq(unsigned int irq);
-void disable_percpu_irq(unsigned int irq);
-
-
 void setup_irq_regs(void);
 
 #endif /* _ASM_TILE_IRQ_H */
diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c
index aa0134db2dd6..02e628065012 100644
--- a/arch/tile/kernel/irq.c
+++ b/arch/tile/kernel/irq.c
@@ -152,14 +152,13 @@ void tile_dev_intr(struct pt_regs *regs, int intnum)
  * Remove an irq from the disabled mask.  If we're in an interrupt
  * context, defer enabling the HW interrupt until we leave.
  */
-void enable_percpu_irq(unsigned int irq)
+static void tile_irq_chip_enable(struct irq_data *d)
 {
-	get_cpu_var(irq_disable_mask) &= ~(1UL << irq);
+	get_cpu_var(irq_disable_mask) &= ~(1UL << d->irq);
 	if (__get_cpu_var(irq_depth) == 0)
-		unmask_irqs(1UL << irq);
+		unmask_irqs(1UL << d->irq);
 	put_cpu_var(irq_disable_mask);
 }
-EXPORT_SYMBOL(enable_percpu_irq);
 
 /*
  * Add an irq to the disabled mask.  We disable the HW interrupt
@@ -167,13 +166,12 @@ EXPORT_SYMBOL(enable_percpu_irq);
  * in an interrupt context, the return path is careful to avoid
  * unmasking a newly disabled interrupt.
  */
-void disable_percpu_irq(unsigned int irq)
+static void tile_irq_chip_disable(struct irq_data *d)
 {
-	get_cpu_var(irq_disable_mask) |= (1UL << irq);
-	mask_irqs(1UL << irq);
+	get_cpu_var(irq_disable_mask) |= (1UL << d->irq);
+	mask_irqs(1UL << d->irq);
 	put_cpu_var(irq_disable_mask);
 }
-EXPORT_SYMBOL(disable_percpu_irq);
 
 /* Mask an interrupt. */
 static void tile_irq_chip_mask(struct irq_data *d)
@@ -209,6 +207,8 @@ static void tile_irq_chip_eoi(struct irq_data *d)
 
 static struct irq_chip tile_irq_chip = {
 	.name = "tile_irq_chip",
+	.irq_enable = tile_irq_chip_enable,
+	.irq_disable = tile_irq_chip_disable,
 	.irq_ack = tile_irq_chip_ack,
 	.irq_eoi = tile_irq_chip_eoi,
 	.irq_mask = tile_irq_chip_mask,
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 1c0f9facb9b1..1187a1169eb2 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -926,7 +926,7 @@ static int tile_net_poll(struct napi_struct *napi, int budget)
 		goto done;
 
 	/* Re-enable the ingress interrupt. */
-	enable_percpu_irq(priv->intr_id);
+	enable_percpu_irq(priv->intr_id, 0);
 
 	/* HACK: Avoid the "rotting packet" problem (see above). */
 	if (qup->__packet_receive_read !=
@@ -1296,7 +1296,7 @@ static void tile_net_open_enable(void *dev_ptr)
 	info->napi_enabled = true;
 
 	/* Enable the ingress interrupt. */
-	enable_percpu_irq(priv->intr_id);
+	enable_percpu_irq(priv->intr_id, 0);
 }
 
 
-- 
GitLab


From f0a4cf31017ac8179a2fe295c1bd8e821d7674f4 Mon Sep 17 00:00:00 2001
From: Thomas Meyer <thomas@m3y3r.de>
Date: Thu, 17 Nov 2011 12:43:40 +0000
Subject: [PATCH 1159/1594] sparc: Use kmemdup rather than duplicating its
 implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/ds.c          | 6 ++----
 arch/sparc/kernel/prom_common.c | 4 +---
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 7429b47c3aca..381edcd5bc29 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -1181,13 +1181,11 @@ static int __devinit ds_probe(struct vio_dev *vdev,
 
 	dp->rcv_buf_len = 4096;
 
-	dp->ds_states = kzalloc(sizeof(ds_states_template),
-				GFP_KERNEL);
+	dp->ds_states = kmemdup(ds_states_template,
+				sizeof(ds_states_template), GFP_KERNEL);
 	if (!dp->ds_states)
 		goto out_free_rcv_buf;
 
-	memcpy(dp->ds_states, ds_states_template,
-	       sizeof(ds_states_template));
 	dp->num_ds_states = ARRAY_SIZE(ds_states_template);
 
 	for (i = 0; i < dp->num_ds_states; i++)
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index 46614807a57f..741df916c124 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -58,12 +58,10 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 	void *new_val;
 	int err;
 
-	new_val = kmalloc(len, GFP_KERNEL);
+	new_val = kmemdup(val, len, GFP_KERNEL);
 	if (!new_val)
 		return -ENOMEM;
 
-	memcpy(new_val, val, len);
-
 	err = -ENODEV;
 
 	mutex_lock(&of_set_property_mutex);
-- 
GitLab


From e410471029ba99e85af5e2a1e7e747c7b4de2bc3 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 21 Nov 2011 21:42:20 +0000
Subject: [PATCH 1160/1594] bbc_i2c: Remove unneeded err variable

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/sbus/char/bbc_i2c.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 5f94d22c491e..a0d1399577cc 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -233,13 +233,9 @@ int bbc_i2c_write_buf(struct bbc_i2c_client *client,
 	int ret = 0;
 
 	while (len > 0) {
-		int err = bbc_i2c_writeb(client, *buf, off);
-
-		if (err < 0) {
-			ret = err;
+		ret = bbc_i2c_writeb(client, *buf, off);
+		if (ret < 0)
 			break;
-		}
-
 		len--;
 		buf++;
 		off++;
@@ -253,11 +249,9 @@ int bbc_i2c_read_buf(struct bbc_i2c_client *client,
 	int ret = 0;
 
 	while (len > 0) {
-		int err = bbc_i2c_readb(client, buf, off);
-		if (err < 0) {
-			ret = err;
+		ret = bbc_i2c_readb(client, buf, off);
+		if (ret < 0)
 			break;
-		}
 		len--;
 		buf++;
 		off++;
-- 
GitLab


From dbf2b92d54e73e4a2524b90d29bd498ecc4aa593 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sat, 26 Nov 2011 19:04:25 +0000
Subject: [PATCH 1161/1594] sbus: convert drivers/sbus/char/* to use
 module_platform_driver()

This patch converts the drivers in drivers/sbus/char/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/sbus/char/bbc_i2c.c     | 13 +------------
 drivers/sbus/char/display7seg.c | 13 +------------
 drivers/sbus/char/envctrl.c     | 12 +-----------
 drivers/sbus/char/flash.c       | 12 +-----------
 drivers/sbus/char/uctrl.c       | 12 +-----------
 5 files changed, 5 insertions(+), 57 deletions(-)

diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index a0d1399577cc..542668292900 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -416,17 +416,6 @@ static struct platform_driver bbc_i2c_driver = {
 	.remove		= __devexit_p(bbc_i2c_remove),
 };
 
-static int __init bbc_i2c_init(void)
-{
-	return platform_driver_register(&bbc_i2c_driver);
-}
-
-static void __exit bbc_i2c_exit(void)
-{
-	platform_driver_unregister(&bbc_i2c_driver);
-}
-
-module_init(bbc_i2c_init);
-module_exit(bbc_i2c_exit);
+module_platform_driver(bbc_i2c_driver);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 965a1fccd66a..4b9939726c34 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -275,15 +275,4 @@ static struct platform_driver d7s_driver = {
 	.remove		= __devexit_p(d7s_remove),
 };
 
-static int __init d7s_init(void)
-{
-	return platform_driver_register(&d7s_driver);
-}
-
-static void __exit d7s_exit(void)
-{
-	platform_driver_unregister(&d7s_driver);
-}
-
-module_init(d7s_init);
-module_exit(d7s_exit);
+module_platform_driver(d7s_driver);
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index be7b4e56154f..339fd6f65eda 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -1138,16 +1138,6 @@ static struct platform_driver envctrl_driver = {
 	.remove		= __devexit_p(envctrl_remove),
 };
 
-static int __init envctrl_init(void)
-{
-	return platform_driver_register(&envctrl_driver);
-}
-
-static void __exit envctrl_exit(void)
-{
-	platform_driver_unregister(&envctrl_driver);
-}
+module_platform_driver(envctrl_driver);
 
-module_init(envctrl_init);
-module_exit(envctrl_exit);
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 73dd4e7afaaa..826157f38694 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -216,16 +216,6 @@ static struct platform_driver flash_driver = {
 	.remove		= __devexit_p(flash_remove),
 };
 
-static int __init flash_init(void)
-{
-	return platform_driver_register(&flash_driver);
-}
-
-static void __exit flash_cleanup(void)
-{
-	platform_driver_unregister(&flash_driver);
-}
+module_platform_driver(flash_driver);
 
-module_init(flash_init);
-module_exit(flash_cleanup);
 MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index ebce9639a26a..0b31658ccde5 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -435,16 +435,6 @@ static struct platform_driver uctrl_driver = {
 };
 
 
-static int __init uctrl_init(void)
-{
-	return platform_driver_register(&uctrl_driver);
-}
-
-static void __exit uctrl_exit(void)
-{
-	platform_driver_unregister(&uctrl_driver);
-}
+module_platform_driver(uctrl_driver);
 
-module_init(uctrl_init);
-module_exit(uctrl_exit);
 MODULE_LICENSE("GPL");
-- 
GitLab


From 8e8da023f5af71662867729db5547dc54786093c Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 4 Dec 2011 11:57:09 -0800
Subject: [PATCH 1162/1594] x86: Fix boot failures on older AMD CPU's

People with old AMD chips are getting hung boots, because commit
bcb80e53877c ("x86, microcode, AMD: Add microcode revision to
/proc/cpuinfo") moved the microcode detection too early into
"early_init_amd()".

At that point we are *so* early in the booth that the exception tables
haven't even been set up yet, so the whole

	rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy);

doesn't actually work: if the rdmsr does a GP fault (due to non-existant
MSR register on older CPU's), we can't fix it up yet, and the boot fails.

Fix it by simply moving the code to a slightly later point in the boot
(init_amd() instead of early_init_amd()), since the kernel itself
doesn't even really care about the microcode patchlevel at this point
(or really ever: it's made available to user space in /proc/cpuinfo, and
updated if you do a microcode load).

Reported-tested-and-bisected-by:  Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Bob Tracy <rct@gherkin.frus.com>
Acked-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/kernel/cpu/amd.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index c7e46cb35327..0bab2b18bb20 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -442,8 +442,6 @@ static void __cpuinit bsp_init_amd(struct cpuinfo_x86 *c)
 
 static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
 {
-	u32 dummy;
-
 	early_init_amd_mc(c);
 
 	/*
@@ -473,12 +471,12 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
 			set_cpu_cap(c, X86_FEATURE_EXTD_APICID);
 	}
 #endif
-
-	rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy);
 }
 
 static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 {
+	u32 dummy;
+
 #ifdef CONFIG_SMP
 	unsigned long long value;
 
@@ -657,6 +655,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 			checking_wrmsrl(MSR_AMD64_MCx_MASK(4), mask);
 		}
 	}
+
+	rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy);
 }
 
 #ifdef CONFIG_X86_32
-- 
GitLab


From ef1497707c69f3805bbca97c5d10c2913b6d2fa1 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sun, 4 Dec 2011 19:35:20 +0800
Subject: [PATCH 1163/1594] ASoC: uda1380: Return proper error in
 uda1380_modinit failure path

Return proper error for uda1380_modinit if i2c_add_driver() fails.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/uda1380.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c
index c5ca8cfea60f..0441893e270e 100644
--- a/sound/soc/codecs/uda1380.c
+++ b/sound/soc/codecs/uda1380.c
@@ -863,13 +863,13 @@ static struct i2c_driver uda1380_i2c_driver = {
 
 static int __init uda1380_modinit(void)
 {
-	int ret;
+	int ret = 0;
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 	ret = i2c_add_driver(&uda1380_i2c_driver);
 	if (ret != 0)
 		pr_err("Failed to register UDA1380 I2C driver: %d\n", ret);
 #endif
-	return 0;
+	return ret;
 }
 module_init(uda1380_modinit);
 
-- 
GitLab


From b971c370a4d265848d9df0793b2f7fcc5b16b378 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sun, 4 Dec 2011 16:30:18 +0800
Subject: [PATCH 1164/1594] ASoC: Fix dependency for SND_SOC_RAUMFELD and
 SND_PXA2XX_SOC_HX4700

SND_SOC_RAUMFELD selects SND_SOC_CS4270 which needs CONFIG_I2C,
and also selects SND_SOC_AK4104 which needs SPI_MASTER.
Thus make SND_SOC_RAUMFELD depend on I2C && SPI_MASTER.

Add depend on SPI_MASTER to fix below build error if CONFIG_SPI_MASTER
is not selected.

  LD      .tmp_vmlinux1
sound/built-in.o: In function `ak4104_spi_write':
last.c:(.text+0x290cc): undefined reference to `spi_sync'
sound/built-in.o: In function `ak4104_probe':
last.c:(.text+0x292a0): undefined reference to `spi_write_then_read'
sound/built-in.o: In function `ak4104_spi_probe':
last.c:(.text+0x29398): undefined reference to `spi_setup'
sound/built-in.o: In function `ak4104_init':
last.c:(.init.text+0x4ec): undefined reference to `spi_register_driver'
make: *** [.tmp_vmlinux1] Error 1

Add depend on I2C to fix below build error if CONFIG_I2C is not selected:
  CC      sound/soc/codecs/cs4270.o
sound/soc/codecs/cs4270.c: In function 'cs4270_i2c_probe':
sound/soc/codecs/cs4270.c:657: error: implicit declaration of function 'i2c_smbus_read_byte_data'
sound/soc/codecs/cs4270.c: In function 'cs4270_init':
sound/soc/codecs/cs4270.c:730: error: implicit declaration of function 'i2c_add_driver'
sound/soc/codecs/cs4270.c: In function 'cs4270_exit':
sound/soc/codecs/cs4270.c:736: error: implicit declaration of function 'i2c_del_driver'
make[3]: *** [sound/soc/codecs/cs4270.o] Error 1
make[2]: *** [sound/soc/codecs] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

SND_PXA2XX_SOC_HX4700 selects SND_SOC_AK4641 which needs CONFIG_I2C.
Thus make SND_PXA2XX_SOC_HX4700 depend on I2C.

Add depend on I2C to fix below build error if CONFIG_I2C is not selected:
  CC      sound/soc/codecs/ak4641.o
sound/soc/codecs/ak4641.c: In function 'ak4641_modinit':
sound/soc/codecs/ak4641.c:646: error: implicit declaration of function 'i2c_add_driver'
sound/soc/codecs/ak4641.c: In function 'ak4641_exit':
sound/soc/codecs/ak4641.c:656: error: implicit declaration of function 'i2c_del_driver'
make[3]: *** [sound/soc/codecs/ak4641.o] Error 1
make[2]: *** [sound/soc/codecs] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/pxa/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index ffd2242e305f..a0f7d3cfa470 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -151,6 +151,7 @@ config SND_SOC_ZYLONITE
 config SND_SOC_RAUMFELD
 	tristate "SoC Audio support Raumfeld audio adapter"
 	depends on SND_PXA2XX_SOC && (MACH_RAUMFELD_SPEAKER || MACH_RAUMFELD_CONNECTOR)
+	depends on I2C && SPI_MASTER
 	select SND_PXA_SOC_SSP
 	select SND_SOC_CS4270
 	select SND_SOC_AK4104
@@ -159,7 +160,7 @@ config SND_SOC_RAUMFELD
 
 config SND_PXA2XX_SOC_HX4700
 	tristate "SoC Audio support for HP iPAQ hx4700"
-	depends on SND_PXA2XX_SOC && MACH_H4700
+	depends on SND_PXA2XX_SOC && MACH_H4700 && I2C
 	select SND_PXA2XX_SOC_I2S
 	select SND_SOC_AK4641
 	help
-- 
GitLab


From 570a2429e964f8d63338b3450ba801a263b29b3a Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sun, 4 Dec 2011 16:11:16 +0800
Subject: [PATCH 1165/1594] ASoC: Make SND_SOC_MX27VIS_AIC32X4 depend on I2C

SND_SOC_MX27VIS_AIC32X4 selects SND_SOC_TLV320AIC32X4,
but SND_SOC_TLV320AIC32X4 needs CONFIG_I2C.
So we need to make SND_SOC_MX27VIS_AIC32X4 depend on I2C.
otherwise I got below build error if CONFIG_I2C is not selected.

  CC      sound/soc/codecs/tlv320aic32x4.o
sound/soc/codecs/tlv320aic32x4.c: In function 'aic32x4_read':
sound/soc/codecs/tlv320aic32x4.c:323: error: implicit declaration of function 'i2c_smbus_read_byte_data'
sound/soc/codecs/tlv320aic32x4.c: In function 'aic32x4_probe':
sound/soc/codecs/tlv320aic32x4.c:641: error: 'i2c_master_send' undeclared (first use in this function)
sound/soc/codecs/tlv320aic32x4.c:641: error: (Each undeclared identifier is reported only once
sound/soc/codecs/tlv320aic32x4.c:641: error: for each function it appears in.)
sound/soc/codecs/tlv320aic32x4.c: In function 'aic32x4_modinit':
sound/soc/codecs/tlv320aic32x4.c:763: error: implicit declaration of function 'i2c_add_driver'
sound/soc/codecs/tlv320aic32x4.c: In function 'aic32x4_exit':
sound/soc/codecs/tlv320aic32x4.c:774: error: implicit declaration of function 'i2c_del_driver'
make[3]: *** [sound/soc/codecs/tlv320aic32x4.o] Error 1
make[2]: *** [sound/soc/codecs] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/imx/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/imx/Kconfig b/sound/soc/imx/Kconfig
index b133bfcc5848..738391757f2c 100644
--- a/sound/soc/imx/Kconfig
+++ b/sound/soc/imx/Kconfig
@@ -28,7 +28,7 @@ config SND_MXC_SOC_WM1133_EV1
 
 config SND_SOC_MX27VIS_AIC32X4
 	tristate "SoC audio support for Visstrim M10 boards"
-	depends on MACH_IMX27_VISSTRIM_M10
+	depends on MACH_IMX27_VISSTRIM_M10 && I2C
 	select SND_SOC_TLV320AIC32X4
 	select SND_MXC_SOC_MX2
 	help
-- 
GitLab


From 6a600a8b8749566a7d81ad75dcb8bf5342b5a39a Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 15 Nov 2011 10:51:15 +0100
Subject: [PATCH 1166/1594] perf, x86: Disable PEBS on SandyBridge chips

Cc: Stephane Eranian <eranian@google.com>
Cc: stable@kernel.org
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event_intel.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 2be5ebe99872..8d601b18bf9f 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1545,6 +1545,13 @@ static void intel_clovertown_quirks(void)
 	x86_pmu.pebs_constraints = NULL;
 }
 
+static void intel_sandybridge_quirks(void)
+{
+	printk(KERN_WARNING "PEBS disabled due to CPU errata.\n");
+	x86_pmu.pebs = 0;
+	x86_pmu.pebs_constraints = NULL;
+}
+
 __init int intel_pmu_init(void)
 {
 	union cpuid10_edx edx;
@@ -1694,6 +1701,7 @@ __init int intel_pmu_init(void)
 		break;
 
 	case 42: /* SandyBridge */
+		x86_pmu.quirks = intel_sandybridge_quirks;
 	case 45: /* SandyBridge, "Romely-EP" */
 		memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));
-- 
GitLab


From 16e5294e5f8303756a179cf218e37dfb9ed34417 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Tue, 8 Nov 2011 19:20:44 +0100
Subject: [PATCH 1167/1594] perf, x86: Force IBS LVT offset assignment for
 family 10h

On AMD family 10h we see firmware bug messages like the following:

 [Firmware Bug]: cpu 6, try to use APIC500 (LVT offset 0) for vector 0x10400, but the register is already in use for vector 0xf9 on another cpu
 [Firmware Bug]: cpu 6, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100)
 [Firmware Bug]: using offset 1 for IBS interrupts
 [Firmware Bug]: workaround enabled for IBS LVT offset
 perf: AMD IBS detected (0x00000007)

We always see this, since the offsets are not assigned by the BIOS for
this family. Force LVT offset assignment in this case. If the OS
assignment fails, fallback to BIOS settings and try to setup this.

The fallback to BIOS settings weakens the family check since
force_ibs_eilvt_setup() may fail e.g. in case of virtual machines.
But setup may still succeed if BIOS offsets are correct.

Other families don't have a workaround implemented that assigns LVT
offsets. It's ok, to drop calling force_ibs_eilvt_setup() for that
families.

With the patch the [Firmware Bug] messages vanish. We see now:

 IBS: LVT offset 1 assigned
 perf: AMD IBS detected (0x00000007)

Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111109162225.GO12451@erda.amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perf_event_amd_ibs.c | 29 +++++++++++++++---------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
index ab6343d21825..3b8a2d30d14e 100644
--- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c
+++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
@@ -199,8 +199,7 @@ static int force_ibs_eilvt_setup(void)
 		goto out;
 	}
 
-	pr_err(FW_BUG "using offset %d for IBS interrupts\n", offset);
-	pr_err(FW_BUG "workaround enabled for IBS LVT offset\n");
+	pr_info("IBS: LVT offset %d assigned\n", offset);
 
 	return 0;
 out:
@@ -265,19 +264,23 @@ perf_ibs_cpu_notifier(struct notifier_block *self, unsigned long action, void *h
 static __init int amd_ibs_init(void)
 {
 	u32 caps;
-	int ret;
+	int ret = -EINVAL;
 
 	caps = __get_ibs_caps();
 	if (!caps)
 		return -ENODEV;	/* ibs not supported by the cpu */
 
-	if (!ibs_eilvt_valid()) {
-		ret = force_ibs_eilvt_setup();
-		if (ret) {
-			pr_err("Failed to setup IBS, %d\n", ret);
-			return ret;
-		}
-	}
+	/*
+	 * Force LVT offset assignment for family 10h: The offsets are
+	 * not assigned by the BIOS for this family, so the OS is
+	 * responsible for doing it. If the OS assignment fails, fall
+	 * back to BIOS settings and try to setup this.
+	 */
+	if (boot_cpu_data.x86 == 0x10)
+		force_ibs_eilvt_setup();
+
+	if (!ibs_eilvt_valid())
+		goto out;
 
 	get_online_cpus();
 	ibs_caps = caps;
@@ -287,7 +290,11 @@ static __init int amd_ibs_init(void)
 	smp_call_function(setup_APIC_ibs, NULL, 1);
 	put_online_cpus();
 
-	return perf_event_ibs_init();
+	ret = perf_event_ibs_init();
+out:
+	if (ret)
+		pr_err("Failed to setup IBS, %d\n", ret);
+	return ret;
 }
 
 /* Since we need the pci subsystem to init ibs we can't do this earlier: */
-- 
GitLab


From 10c6db110d0eb4466b59812c49088ab56218fc2e Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Sat, 26 Nov 2011 02:47:31 +0100
Subject: [PATCH 1168/1594] perf: Fix loss of notification with multi-event

When you do:
        $ perf record -e cycles,cycles,cycles noploop 10

You expect about 10,000 samples for each event, i.e., 10s at
1000samples/sec. However, this is not what's happening. You
get much fewer samples, maybe 3700 samples/event:

$ perf report -D | tail -15
Aggregated stats:
           TOTAL events:      10998
            MMAP events:         66
            COMM events:          2
          SAMPLE events:      10930
cycles stats:
           TOTAL events:       3644
          SAMPLE events:       3644
cycles stats:
           TOTAL events:       3642
          SAMPLE events:       3642
cycles stats:
           TOTAL events:       3644
          SAMPLE events:       3644

On a Intel Nehalem or even AMD64, there are 4 counters capable
of measuring cycles, so there is plenty of space to measure those
events without multiplexing (even with the NMI watchdog active).
And even with multiplexing, we'd expect roughly the same number
of samples per event.

The root of the problem was that when the event that caused the buffer
to become full was not the first event passed on the cmdline, the user
notification would get lost. The notification was sent to the file
descriptor of the overflowed event but the perf tool was not polling
on it.  The perf tool aggregates all samples into a single buffer,
i.e., the buffer of the first event. Consequently, it assumes
notifications for any event will come via that descriptor.

The seemingly straight forward solution of moving the waitq into the
ringbuffer object doesn't work because of life-time issues. One could
perf_event_set_output() on a fd that you're also blocking on and cause
the old rb object to be freed while its waitq would still be
referenced by the blocked thread -> FAIL.

Therefore link all events to the ringbuffer and broadcast the wakeup
from the ringbuffer object to all possible events that could be waited
upon. This is rather ugly, and we're open to better solutions but it
works for now.

Reported-by: Stephane Eranian <eranian@google.com>
Finished-by: Stephane Eranian <eranian@google.com>
Reviewed-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111126014731.GA7030@quad
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/perf_event.h  |  1 +
 kernel/events/core.c        | 86 ++++++++++++++++++++++++++++++++++++-
 kernel/events/internal.h    |  3 ++
 kernel/events/ring_buffer.c |  3 ++
 4 files changed, 91 insertions(+), 2 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 1e9ebe5e0091..b1f89122bf6a 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -822,6 +822,7 @@ struct perf_event {
 	int				mmap_locked;
 	struct user_struct		*mmap_user;
 	struct ring_buffer		*rb;
+	struct list_head		rb_entry;
 
 	/* poll related */
 	wait_queue_head_t		waitq;
diff --git a/kernel/events/core.c b/kernel/events/core.c
index b0c1186fd97b..600c1629b64d 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -185,6 +185,9 @@ static void cpu_ctx_sched_in(struct perf_cpu_context *cpuctx,
 static void update_context_time(struct perf_event_context *ctx);
 static u64 perf_event_time(struct perf_event *event);
 
+static void ring_buffer_attach(struct perf_event *event,
+			       struct ring_buffer *rb);
+
 void __weak perf_event_print_debug(void)	{ }
 
 extern __weak const char *perf_pmu_name(void)
@@ -3191,12 +3194,33 @@ static unsigned int perf_poll(struct file *file, poll_table *wait)
 	struct ring_buffer *rb;
 	unsigned int events = POLL_HUP;
 
+	/*
+	 * Race between perf_event_set_output() and perf_poll(): perf_poll()
+	 * grabs the rb reference but perf_event_set_output() overrides it.
+	 * Here is the timeline for two threads T1, T2:
+	 * t0: T1, rb = rcu_dereference(event->rb)
+	 * t1: T2, old_rb = event->rb
+	 * t2: T2, event->rb = new rb
+	 * t3: T2, ring_buffer_detach(old_rb)
+	 * t4: T1, ring_buffer_attach(rb1)
+	 * t5: T1, poll_wait(event->waitq)
+	 *
+	 * To avoid this problem, we grab mmap_mutex in perf_poll()
+	 * thereby ensuring that the assignment of the new ring buffer
+	 * and the detachment of the old buffer appear atomic to perf_poll()
+	 */
+	mutex_lock(&event->mmap_mutex);
+
 	rcu_read_lock();
 	rb = rcu_dereference(event->rb);
-	if (rb)
+	if (rb) {
+		ring_buffer_attach(event, rb);
 		events = atomic_xchg(&rb->poll, 0);
+	}
 	rcu_read_unlock();
 
+	mutex_unlock(&event->mmap_mutex);
+
 	poll_wait(file, &event->waitq, wait);
 
 	return events;
@@ -3497,6 +3521,49 @@ unlock:
 	return ret;
 }
 
+static void ring_buffer_attach(struct perf_event *event,
+			       struct ring_buffer *rb)
+{
+	unsigned long flags;
+
+	if (!list_empty(&event->rb_entry))
+		return;
+
+	spin_lock_irqsave(&rb->event_lock, flags);
+	if (!list_empty(&event->rb_entry))
+		goto unlock;
+
+	list_add(&event->rb_entry, &rb->event_list);
+unlock:
+	spin_unlock_irqrestore(&rb->event_lock, flags);
+}
+
+static void ring_buffer_detach(struct perf_event *event,
+			       struct ring_buffer *rb)
+{
+	unsigned long flags;
+
+	if (list_empty(&event->rb_entry))
+		return;
+
+	spin_lock_irqsave(&rb->event_lock, flags);
+	list_del_init(&event->rb_entry);
+	wake_up_all(&event->waitq);
+	spin_unlock_irqrestore(&rb->event_lock, flags);
+}
+
+static void ring_buffer_wakeup(struct perf_event *event)
+{
+	struct ring_buffer *rb;
+
+	rcu_read_lock();
+	rb = rcu_dereference(event->rb);
+	list_for_each_entry_rcu(event, &rb->event_list, rb_entry) {
+		wake_up_all(&event->waitq);
+	}
+	rcu_read_unlock();
+}
+
 static void rb_free_rcu(struct rcu_head *rcu_head)
 {
 	struct ring_buffer *rb;
@@ -3522,9 +3589,19 @@ static struct ring_buffer *ring_buffer_get(struct perf_event *event)
 
 static void ring_buffer_put(struct ring_buffer *rb)
 {
+	struct perf_event *event, *n;
+	unsigned long flags;
+
 	if (!atomic_dec_and_test(&rb->refcount))
 		return;
 
+	spin_lock_irqsave(&rb->event_lock, flags);
+	list_for_each_entry_safe(event, n, &rb->event_list, rb_entry) {
+		list_del_init(&event->rb_entry);
+		wake_up_all(&event->waitq);
+	}
+	spin_unlock_irqrestore(&rb->event_lock, flags);
+
 	call_rcu(&rb->rcu_head, rb_free_rcu);
 }
 
@@ -3547,6 +3624,7 @@ static void perf_mmap_close(struct vm_area_struct *vma)
 		atomic_long_sub((size >> PAGE_SHIFT) + 1, &user->locked_vm);
 		vma->vm_mm->pinned_vm -= event->mmap_locked;
 		rcu_assign_pointer(event->rb, NULL);
+		ring_buffer_detach(event, rb);
 		mutex_unlock(&event->mmap_mutex);
 
 		ring_buffer_put(rb);
@@ -3701,7 +3779,7 @@ static const struct file_operations perf_fops = {
 
 void perf_event_wakeup(struct perf_event *event)
 {
-	wake_up_all(&event->waitq);
+	ring_buffer_wakeup(event);
 
 	if (event->pending_kill) {
 		kill_fasync(&event->fasync, SIGIO, event->pending_kill);
@@ -5823,6 +5901,8 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
 	INIT_LIST_HEAD(&event->group_entry);
 	INIT_LIST_HEAD(&event->event_entry);
 	INIT_LIST_HEAD(&event->sibling_list);
+	INIT_LIST_HEAD(&event->rb_entry);
+
 	init_waitqueue_head(&event->waitq);
 	init_irq_work(&event->pending, perf_pending_event);
 
@@ -6029,6 +6109,8 @@ set:
 
 	old_rb = event->rb;
 	rcu_assign_pointer(event->rb, rb);
+	if (old_rb)
+		ring_buffer_detach(event, old_rb);
 	ret = 0;
 unlock:
 	mutex_unlock(&event->mmap_mutex);
diff --git a/kernel/events/internal.h b/kernel/events/internal.h
index 09097dd8116c..64568a699375 100644
--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -22,6 +22,9 @@ struct ring_buffer {
 	local_t				lost;		/* nr records lost   */
 
 	long				watermark;	/* wakeup watermark  */
+	/* poll crap */
+	spinlock_t			event_lock;
+	struct list_head		event_list;
 
 	struct perf_event_mmap_page	*user_page;
 	void				*data_pages[0];
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index a2a29205cc0f..7f3011c6b57f 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -209,6 +209,9 @@ ring_buffer_init(struct ring_buffer *rb, long watermark, int flags)
 		rb->writable = 1;
 
 	atomic_set(&rb->refcount, 1);
+
+	INIT_LIST_HEAD(&rb->event_list);
+	spin_lock_init(&rb->event_lock);
 }
 
 #ifndef CONFIG_PERF_USE_VMALLOC
-- 
GitLab


From 52cef189165d74a5d6030184a8e05595194c69ca Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 28 Nov 2011 21:12:40 +0100
Subject: [PATCH 1169/1594] slab, lockdep: Fix silly bug

Commit 30765b92 ("slab, lockdep: Annotate the locks before using
them") moves the init_lock_keys() call from after g_cpucache_up =
FULL, to before it. And overlooks the fact that init_node_lock_keys()
tests for it and ignores everything !FULL.

Introduce a LATE stage and change the lockdep test to be <LATE.

Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: stable@kernel.org
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 mm/slab.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mm/slab.c b/mm/slab.c
index 708efe886154..83311c9aaf9d 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -595,6 +595,7 @@ static enum {
 	PARTIAL_AC,
 	PARTIAL_L3,
 	EARLY,
+	LATE,
 	FULL
 } g_cpucache_up;
 
@@ -671,7 +672,7 @@ static void init_node_lock_keys(int q)
 {
 	struct cache_sizes *s = malloc_sizes;
 
-	if (g_cpucache_up != FULL)
+	if (g_cpucache_up < LATE)
 		return;
 
 	for (s = malloc_sizes; s->cs_size != ULONG_MAX; s++) {
@@ -1666,6 +1667,8 @@ void __init kmem_cache_init_late(void)
 {
 	struct kmem_cache *cachep;
 
+	g_cpucache_up = LATE;
+
 	/* Annotate slab for lockdep -- annotate the malloc caches */
 	init_lock_keys();
 
-- 
GitLab


From 69682b625a043b567873e6cda397969b502f0054 Mon Sep 17 00:00:00 2001
From: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com>
Date: Tue, 29 Nov 2011 15:08:21 +0900
Subject: [PATCH 1170/1594] x86: Add user_mode_vm check in stack_overflow_check

The kernel stack overflow is checked in stack_overflow_check(),
which may wrongly detect the overflow if the stack pointer in
user space points to the kernel stack intentionally or
accidentally. So, the actual overflow is never detected after
this misdetection because WARN_ONCE() is used on the detection
of it.

This patch adds user-mode-vm checking before it to avoid this
problem and bails out early if the user stack is used.

Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com>
Cc: yrl.pp-manager.tt@hitachi.com
Cc: Randy Dunlap <rdunlap@xenotime.net>
Link: http://lkml.kernel.org/r/20111129060821.11076.55315.stgit@ltc219.sdl.hitachi.co.jp
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
---
 arch/x86/kernel/irq_64.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index acf8fbf8fbda..69bca468c47a 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -38,6 +38,9 @@ static inline void stack_overflow_check(struct pt_regs *regs)
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
 	u64 curbase = (u64)task_stack_page(current);
 
+	if (user_mode_vm(regs))
+		return;
+
 	WARN_ONCE(regs->sp >= curbase &&
 		  regs->sp <= curbase + THREAD_SIZE &&
 		  regs->sp <  curbase + sizeof(struct thread_info) +
-- 
GitLab


From b495e039b4ce2ce4a96b3006004faf082f4d50e2 Mon Sep 17 00:00:00 2001
From: Jack Steiner <steiner@sgi.com>
Date: Tue, 29 Nov 2011 15:00:58 -0600
Subject: [PATCH 1171/1594] x86, UV: Fix UV2 hub part number

There was a mixup when the SGI UV2 hub chip was sent to be
fabricated, and it ended up with the wrong part number in the
HRP_NODE_ID mmr. Future versions of the chip will (may) have the
correct part number. Change the UV infrastructure to recognize
both part numbers as valid IDs of a UV2 hub chip.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Link: http://lkml.kernel.org/r/20111129210058.GA20452@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/uv/uv_mmrs.h  | 1 +
 arch/x86/kernel/apic/x2apic_uv_x.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
index 10474fb1185d..cf1d73643f60 100644
--- a/arch/x86/include/asm/uv/uv_mmrs.h
+++ b/arch/x86/include/asm/uv/uv_mmrs.h
@@ -57,6 +57,7 @@
 
 #define UV1_HUB_PART_NUMBER	0x88a5
 #define UV2_HUB_PART_NUMBER	0x8eb8
+#define UV2_HUB_PART_NUMBER_X	0x1111
 
 /* Compat: if this #define is present, UV headers support UV2 */
 #define UV2_HUB_IS_SUPPORTED	1
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 62ae3001ae02..9d59bbacd4e3 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -93,6 +93,8 @@ static int __init early_get_pnodeid(void)
 
 	if (node_id.s.part_number == UV2_HUB_PART_NUMBER)
 		uv_min_hub_revision_id += UV2_HUB_REVISION_BASE - 1;
+	if (node_id.s.part_number == UV2_HUB_PART_NUMBER_X)
+		uv_min_hub_revision_id += UV2_HUB_REVISION_BASE - 1;
 
 	uv_hub_info->hub_revision = uv_min_hub_revision_id;
 	pnode = (node_id.s.node_id >> 1) & ((1 << m_n_config.s.n_skt) - 1);
-- 
GitLab


From 8f9a0981aca6bd454ef2a4bdac510af0f6e55bd4 Mon Sep 17 00:00:00 2001
From: Murali Karicheri <m-karicheri2@ti.com>
Date: Tue, 15 Nov 2011 01:42:06 +0530
Subject: [PATCH 1172/1594] ARM: davinci: psc: fix incorrect mask

There are 5 LSB bits defined in PDSTAT and the code
currently uses a mask of 1 bit to check the status.

Use a proper mask per the hardware specification.
While at it, use a #define for the mask to improve
readability.

Reviewed-by: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---
 arch/arm/mach-davinci/include/mach/psc.h | 1 +
 arch/arm/mach-davinci/psc.c              | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index fa59c097223d..8bf279a88b4b 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -244,6 +244,7 @@
 #define PSC_STATE_ENABLE	3
 
 #define MDSTAT_STATE_MASK	0x3f
+#define PDSTAT_STATE_MASK	0x1f
 #define MDCTL_FORCE		BIT(31)
 
 #ifndef __ASSEMBLER__
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index 1fb6bdff38c1..a0e17707c981 100644
--- a/arch/arm/mach-davinci/psc.c
+++ b/arch/arm/mach-davinci/psc.c
@@ -80,7 +80,7 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr,
 	__raw_writel(mdctl, psc_base + MDCTL + 4 * id);
 
 	pdstat = __raw_readl(psc_base + PDSTAT);
-	if ((pdstat & 0x00000001) == 0) {
+	if ((pdstat & PDSTAT_STATE_MASK) == 0) {
 		pdctl1 = __raw_readl(psc_base + PDCTL1);
 		pdctl1 |= 0x1;
 		__raw_writel(pdctl1, psc_base + PDCTL1);
-- 
GitLab


From 78b838252fa986f66c7ec8047726ea500a08d98f Mon Sep 17 00:00:00 2001
From: Murali Karicheri <m-karicheri2@ti.com>
Date: Tue, 15 Nov 2011 01:42:07 +0530
Subject: [PATCH 1173/1594] ARM: davinci: psc: fix incorrect offsets

Seperate PDSTAT and PDCTL registers are defined for
domain 0 and domain 1 where as the code always reads
the domain 0 PDSTAT register and domain 1 PDCTL register.

Fix this issue. While at it, introduce usage of macros
for register masks to improve readability.

Reviewed-by: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---
 arch/arm/mach-davinci/include/mach/psc.h |  4 +++-
 arch/arm/mach-davinci/psc.c              | 16 ++++++++--------
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 8bf279a88b4b..8bc3fc256171 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -233,7 +233,7 @@
 #define PTCMD		0x120
 #define PTSTAT		0x128
 #define PDSTAT		0x200
-#define PDCTL1		0x304
+#define PDCTL		0x300
 #define MDSTAT		0x800
 #define MDCTL		0xA00
 
@@ -246,6 +246,8 @@
 #define MDSTAT_STATE_MASK	0x3f
 #define PDSTAT_STATE_MASK	0x1f
 #define MDCTL_FORCE		BIT(31)
+#define PDCTL_NEXT		BIT(1)
+#define PDCTL_EPCGOOD		BIT(8)
 
 #ifndef __ASSEMBLER__
 
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index a0e17707c981..d7e210f4b55c 100644
--- a/arch/arm/mach-davinci/psc.c
+++ b/arch/arm/mach-davinci/psc.c
@@ -52,7 +52,7 @@ int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id)
 void davinci_psc_config(unsigned int domain, unsigned int ctlr,
 		unsigned int id, bool enable, u32 flags)
 {
-	u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl;
+	u32 epcpr, ptcmd, ptstat, pdstat, pdctl, mdstat, mdctl;
 	void __iomem *psc_base;
 	struct davinci_soc_info *soc_info = &davinci_soc_info;
 	u32 next_state = PSC_STATE_ENABLE;
@@ -79,11 +79,11 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr,
 		mdctl |= MDCTL_FORCE;
 	__raw_writel(mdctl, psc_base + MDCTL + 4 * id);
 
-	pdstat = __raw_readl(psc_base + PDSTAT);
+	pdstat = __raw_readl(psc_base + PDSTAT + 4 * domain);
 	if ((pdstat & PDSTAT_STATE_MASK) == 0) {
-		pdctl1 = __raw_readl(psc_base + PDCTL1);
-		pdctl1 |= 0x1;
-		__raw_writel(pdctl1, psc_base + PDCTL1);
+		pdctl = __raw_readl(psc_base + PDCTL + 4 * domain);
+		pdctl |= PDCTL_NEXT;
+		__raw_writel(pdctl, psc_base + PDCTL + 4 * domain);
 
 		ptcmd = 1 << domain;
 		__raw_writel(ptcmd, psc_base + PTCMD);
@@ -92,9 +92,9 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr,
 			epcpr = __raw_readl(psc_base + EPCPR);
 		} while ((((epcpr >> domain) & 1) == 0));
 
-		pdctl1 = __raw_readl(psc_base + PDCTL1);
-		pdctl1 |= 0x100;
-		__raw_writel(pdctl1, psc_base + PDCTL1);
+		pdctl = __raw_readl(psc_base + PDCTL + 4 * domain);
+		pdctl |= PDCTL_EPCGOOD;
+		__raw_writel(pdctl, psc_base + PDCTL + 4 * domain);
 	} else {
 		ptcmd = 1 << domain;
 		__raw_writel(ptcmd, psc_base + PTCMD);
-- 
GitLab


From 9ab409e402cbfde11e2516be43921954db480f4d Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Tue, 15 Nov 2011 01:42:08 +0530
Subject: [PATCH 1174/1594] ARM: davinci: dm646x does not have a DSP domain

Fix the incorrect classification of DSP clock into a
seperate DSP domain on DM646x.

Per the reference guide (http://www.ti.com/lit/ug/spruep9e/spruep9e.pdf)
there is only one "AlwaysON" power domain on DM6467.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---
 arch/arm/mach-davinci/dm646x.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 0b68ed534f8e..af27c130595f 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -161,7 +161,6 @@ static struct clk dsp_clk = {
 	.name = "dsp",
 	.parent = &pll1_sysclk1,
 	.lpsc = DM646X_LPSC_C64X_CPU,
-	.flags = PSC_DSP,
 	.usecount = 1,			/* REVISIT how to disable? */
 };
 
-- 
GitLab


From 83713fc9373be2e943f82e9d36213708c6b0050e Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Mon, 14 Nov 2011 19:20:49 +0100
Subject: [PATCH 1175/1594] ARM: davinci: dm646x evm: wrong register used in
 setup_vpif_input_channel_mode

The function setup_vpif_input_channel_mode() used the VSCLKDIS register
instead of VIDCLKCTL. This meant that when in HD mode videoport channel 0
used a different clock from channel 1.

Clearly a copy-and-paste error.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Cc: stable@kernel.org
---
 arch/arm/mach-davinci/board-dm646x-evm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index e574d7f837a8..635bf7740157 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -564,7 +564,7 @@ static int setup_vpif_input_channel_mode(int mux_mode)
 	int val;
 	u32 value;
 
-	if (!vpif_vsclkdis_reg || !cpld_client)
+	if (!vpif_vidclkctl_reg || !cpld_client)
 		return -ENXIO;
 
 	val = i2c_smbus_read_byte(cpld_client);
@@ -572,7 +572,7 @@ static int setup_vpif_input_channel_mode(int mux_mode)
 		return val;
 
 	spin_lock_irqsave(&vpif_reg_lock, flags);
-	value = __raw_readl(vpif_vsclkdis_reg);
+	value = __raw_readl(vpif_vidclkctl_reg);
 	if (mux_mode) {
 		val &= VPIF_INPUT_TWO_CHANNEL;
 		value |= VIDCH1CLK;
@@ -580,7 +580,7 @@ static int setup_vpif_input_channel_mode(int mux_mode)
 		val |= VPIF_INPUT_ONE_CHANNEL;
 		value &= ~VIDCH1CLK;
 	}
-	__raw_writel(value, vpif_vsclkdis_reg);
+	__raw_writel(value, vpif_vidclkctl_reg);
 	spin_unlock_irqrestore(&vpif_reg_lock, flags);
 
 	err = i2c_smbus_write_byte(cpld_client, val);
-- 
GitLab


From f1b21c525693b0159aed83b5871f2d0f077f208e Mon Sep 17 00:00:00 2001
From: "Manjunathappa, Prakash" <prakash.pm@ti.com>
Date: Thu, 10 Nov 2011 11:43:21 +0530
Subject: [PATCH 1176/1594] ARM: davinci: da850 evm: change audio edma event
 queue to EVENTQ_0

On OMAP-L138 platform, EDMA event queue 0 should be used for audio
transfers so that they are not starved by video data moving on event queue 1.

Commit 48519f0ae03bc7e86b3dc93e56f1334d53803770 (ASoC: davinci: let platform
data define edma queue numbers) had a side-effect of changing this behavior
by making the driver actually honor the platform data passed.

Fix this now by passing event queue 0 as the queue to be used for audio
transfers.

Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Cc: <stable@vger.kernel.org> # v2.6.36.x and above
---
 arch/arm/mach-davinci/board-da850-evm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 1d7d24995226..6659a90dbcad 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -753,7 +753,7 @@ static struct snd_platform_data da850_evm_snd_data = {
 	.num_serializer	= ARRAY_SIZE(da850_iis_serializer_direction),
 	.tdm_slots	= 2,
 	.serial_dir	= da850_iis_serializer_direction,
-	.asp_chan_q	= EVENTQ_1,
+	.asp_chan_q	= EVENTQ_0,
 	.version	= MCASP_VERSION_2,
 	.txnumevt	= 1,
 	.rxnumevt	= 1,
-- 
GitLab


From 45fc4cce939adc883fba5e02f1f3e0e9ff020c30 Mon Sep 17 00:00:00 2001
From: "Shankarmurthy,Akshay" <akshay.s@ti.com>
Date: Wed, 9 Nov 2011 17:55:20 +0530
Subject: [PATCH 1177/1594] ARM: davinci: dm365 evm: align nand partition table
 to u-boot

Current partition information maintained in kernel does not match with
u-boot, this leads to corruption of u-boot env when we update uImage
from kernel. Patch fixes it to match with u-boot partition information.

Signed-off-by: Shankarmurthy,Akshay <akshay.s@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---
 arch/arm/mach-davinci/board-dm365-evm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 1918ae711428..46e1f4173b97 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -107,7 +107,7 @@ static struct mtd_partition davinci_nand_partitions[] = {
 		/* UBL (a few copies) plus U-Boot */
 		.name		= "bootloader",
 		.offset		= 0,
-		.size		= 28 * NAND_BLOCK_SIZE,
+		.size		= 30 * NAND_BLOCK_SIZE,
 		.mask_flags	= MTD_WRITEABLE, /* force read-only */
 	}, {
 		/* U-Boot environment */
-- 
GitLab


From 6be30bb7d7504ec687a65c9bbdae8d1d2f8eaa19 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Wed, 16 Nov 2011 00:19:51 +0100
Subject: [PATCH 1178/1594] x86/reboot: Blacklist Dell OptiPlex 990 known to
 require PCI reboot

Dell OptiPlex 990 is known to require PCI reboot, so add it to
the reboot blacklist in pci_reboot_dmi_table[].

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Link: http://lkml.kernel.org/r/201111160019.51303.rjw@sisk.pl
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/reboot.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index e334be1182b9..4463d2fee4e3 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -443,6 +443,14 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6420"),
 		},
 	},
+	{	/* Handle problems with rebooting on the OptiPlex 990. */
+		.callback = set_pci_reboot,
+		.ident = "Dell OptiPlex 990",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"),
+		},
+	},
 	{ }
 };
 
-- 
GitLab


From df16c86a56595d1c28e58532ec25dd612c39c6c7 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Wed, 23 Nov 2011 15:57:06 +0100
Subject: [PATCH 1179/1594] mtd: gpmi: add missing include 'module.h'

Fixes:

drivers/mtd/nand/gpmi-nand/gpmi-nand.c: In function 'gpmi_nfc_init':
drivers/mtd/nand/gpmi-nand/gpmi-nand.c:1475:16: error: 'THIS_MODULE' undeclared (first use in this function)
drivers/mtd/nand/gpmi-nand/gpmi-nand.c:1475:16: note: each undeclared identifier is reported only once for each function it appears in
drivers/mtd/nand/gpmi-nand/gpmi-nand.c: At top level:
drivers/mtd/nand/gpmi-nand/gpmi-nand.c:1617:15: error: expected declaration specifiers or '...' before string constant
drivers/mtd/nand/gpmi-nand/gpmi-nand.c:1617:1: warning: data definition has no type or storage class
drivers/mtd/nand/gpmi-nand/gpmi-nand.c:1617:1: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'

and some more...

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 071b63420f0e..493ec2fcf97f 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -21,9 +21,9 @@
 #include <linux/clk.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/mtd/gpmi-nand.h>
 #include <linux/mtd/partitions.h>
-
 #include "gpmi-nand.h"
 
 /* add our owner bbt descriptor */
-- 
GitLab


From 48bc5562103412590e4487b666b49e7b6c84ba44 Mon Sep 17 00:00:00 2001
From: Jacob Pan <jacob.jun.pan@linux.intel.com>
Date: Wed, 16 Nov 2011 16:07:22 +0000
Subject: [PATCH 1180/1594] x86,mrst: Power control commands update

On the Intel MID devices SCU commands are issued to manage power
off and the like. We need to issue different ones for
non-Lincroft based devices.

Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/intel_scu_ipc.h | 14 +++++++++-----
 arch/x86/platform/mrst/mrst.c        | 25 ++++++++++++++-----------
 2 files changed, 23 insertions(+), 16 deletions(-)

diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h
index 4420993acc47..925b605eb5c6 100644
--- a/arch/x86/include/asm/intel_scu_ipc.h
+++ b/arch/x86/include/asm/intel_scu_ipc.h
@@ -3,11 +3,15 @@
 
 #include <linux/notifier.h>
 
-#define IPCMSG_VRTC	0xFA	 /* Set vRTC device */
-
-/* Command id associated with message IPCMSG_VRTC */
-#define IPC_CMD_VRTC_SETTIME      1 /* Set time */
-#define IPC_CMD_VRTC_SETALARM     2 /* Set alarm */
+#define IPCMSG_WARM_RESET	0xF0
+#define IPCMSG_COLD_RESET	0xF1
+#define IPCMSG_SOFT_RESET	0xF2
+#define IPCMSG_COLD_BOOT	0xF3
+
+#define IPCMSG_VRTC		0xFA	 /* Set vRTC device */
+	/* Command id associated with message IPCMSG_VRTC */
+	#define IPC_CMD_VRTC_SETTIME      1 /* Set time */
+	#define IPC_CMD_VRTC_SETALARM     2 /* Set alarm */
 
 /* Read single register */
 int intel_scu_ipc_ioread8(u16 addr, u8 *data);
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index b1489a06a49d..fedc3d7ffa77 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -76,6 +76,20 @@ struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX];
 EXPORT_SYMBOL_GPL(sfi_mrtc_array);
 int sfi_mrtc_num;
 
+static void mrst_power_off(void)
+{
+	if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT)
+		intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 1);
+}
+
+static void mrst_reboot(void)
+{
+	if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT)
+		intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 0);
+	else
+		intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
+}
+
 /* parse all the mtimer info to a static mtimer array */
 static int __init sfi_parse_mtmr(struct sfi_table_header *table)
 {
@@ -265,17 +279,6 @@ static int mrst_i8042_detect(void)
 	return 0;
 }
 
-/* Reboot and power off are handled by the SCU on a MID device */
-static void mrst_power_off(void)
-{
-	intel_scu_ipc_simple_command(0xf1, 1);
-}
-
-static void mrst_reboot(void)
-{
-	intel_scu_ipc_simple_command(0xf1, 0);
-}
-
 /*
  * Moorestown does not have external NMI source nor port 0x61 to report
  * NMI status. The possible NMI sources are from pmu as a result of NMI
-- 
GitLab


From 28744b3e9c85ea281d6371d4914c2498bceec10c Mon Sep 17 00:00:00 2001
From: Jekyll Lai <jekyll_lai@wistron.com>
Date: Wed, 16 Nov 2011 18:01:20 +0000
Subject: [PATCH 1181/1594] mrst: Added some platform data for the SFI
 translations

Add SFI glue for the following devices:

tca6416: a gpio expander compatible with max7315
mpu3050: gyro sensor

Both of these actual drivers are already upstream

Signed-off-by: Jekyll Lai <jekyll_lai@wistron.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/platform/mrst/mrst.c | 42 +++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index fedc3d7ffa77..940a0807a5ca 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -487,6 +487,46 @@ static void __init *max7315_platform_data(void *info)
 	return max7315;
 }
 
+static void *tca6416_platform_data(void *info)
+{
+	static struct pca953x_platform_data tca6416;
+	struct i2c_board_info *i2c_info = info;
+	int gpio_base, intr;
+	char base_pin_name[SFI_NAME_LEN + 1];
+	char intr_pin_name[SFI_NAME_LEN + 1];
+
+	strcpy(i2c_info->type, "tca6416");
+	strcpy(base_pin_name, "tca6416_base");
+	strcpy(intr_pin_name, "tca6416_int");
+
+	gpio_base = get_gpio_by_name(base_pin_name);
+	intr = get_gpio_by_name(intr_pin_name);
+
+	if (gpio_base == -1)
+		return NULL;
+	tca6416.gpio_base = gpio_base;
+	if (intr != -1) {
+		i2c_info->irq = intr + MRST_IRQ_OFFSET;
+		tca6416.irq_base = gpio_base + MRST_IRQ_OFFSET;
+	} else {
+		i2c_info->irq = -1;
+		tca6416.irq_base = -1;
+	}
+	return &tca6416;
+}
+
+static void *mpu3050_platform_data(void *info)
+{
+	struct i2c_board_info *i2c_info = info;
+	int intr = get_gpio_by_name("mpu3050_int");
+
+	if (intr == -1)
+		return NULL;
+
+	i2c_info->irq = intr + MRST_IRQ_OFFSET;
+	return NULL;
+}
+
 static void __init *emc1403_platform_data(void *info)
 {
 	static short intr2nd_pdata;
@@ -652,9 +692,11 @@ static const struct devs_id __initconst device_ids[] = {
 	{"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data},
 	{"i2c_max7315", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
 	{"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
+	{"tca6416", SFI_DEV_TYPE_I2C, 1, &tca6416_platform_data},
 	{"emc1403", SFI_DEV_TYPE_I2C, 1, &emc1403_platform_data},
 	{"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data},
 	{"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data},
+	{"mpu3050", SFI_DEV_TYPE_I2C, 1, &mpu3050_platform_data},
 
 	/* MSIC subdevices */
 	{"msic_battery", SFI_DEV_TYPE_IPC, 1, &msic_battery_platform_data},
-- 
GitLab


From efa221268566c2caa0e2a540068a2e8250fbb819 Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Wed, 16 Nov 2011 18:32:34 +0000
Subject: [PATCH 1182/1594] x86, mrst: Change the pmic_gpio device type to IPC

In latest firmware's SFI tables, pmic_gpio has been set to
IPC type of device, so we need handle it too.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/platform/mrst/mrst.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 940a0807a5ca..ad4ec1cb097e 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -689,6 +689,7 @@ static void *msic_ocd_platform_data(void *info)
 static const struct devs_id __initconst device_ids[] = {
 	{"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data},
 	{"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data},
+	{"pmic_gpio", SFI_DEV_TYPE_IPC, 1, &pmic_gpio_platform_data},
 	{"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data},
 	{"i2c_max7315", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
 	{"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
-- 
GitLab


From 9e6866686bdf2dcf3aeb0838076237ede532dcc8 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Sun, 25 Sep 2011 15:29:00 -0600
Subject: [PATCH 1183/1594] x86/mpparse: Account for bus types other than ISA
 and PCI

In commit f8924e770e04 ("x86: unify mp_bus_info"), the 32-bit
and 64-bit versions of MP_bus_info were rearranged to match each
other better.  Unfortunately it introduced a regression: prior
to that change we used to always set the mp_bus_not_pci bit,
then clear it if we found a PCI bus.  After it, we set
mp_bus_not_pci for ISA buses, clear it for PCI buses, and leave
it alone otherwise.

In the cases of ISA and PCI, there's not much difference.  But
ISA is not the only non-PCI bus, so it's better to always set
mp_bus_not_pci and clear it only for PCI.

Without this change, Dan's Dell PowerEdge 4200 panics on boot
with a log indicating interrupt routing trouble unless the
"noapic" option is supplied.  With this change, the machine
boots reliably without "noapic".

Fixes http://bugs.debian.org/586494

Reported-bisected-and-tested-by: Dan McGrath <troubledaemon@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org	# 2.6.26+
Cc: Dan McGrath <troubledaemon@gmail.com>
Cc: Alexey Starikovskiy <aystarik@gmail.com>
[jrnieder@gmail.com: clarified commit message]
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Link: http://lkml.kernel.org/r/20111122215000.GA9151@elie.hsd1.il.comcast.net
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/mpparse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 9103b89c145a..0741b062a304 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -95,8 +95,8 @@ static void __init MP_bus_info(struct mpc_bus *m)
 	}
 #endif
 
+	set_bit(m->busid, mp_bus_not_pci);
 	if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA) - 1) == 0) {
-		set_bit(m->busid, mp_bus_not_pci);
 #if defined(CONFIG_EISA) || defined(CONFIG_MCA)
 		mp_bus_id_to_type[m->busid] = MP_BUS_ISA;
 #endif
-- 
GitLab


From 644ddf588f5dba34df483a6ea8abe639cc102289 Mon Sep 17 00:00:00 2001
From: Prarit Bhargava <prarit@redhat.com>
Date: Tue, 18 Oct 2011 13:24:10 -0400
Subject: [PATCH 1184/1594] Add TAINT_FIRMWARE_WORKAROUND on MTRR fixup

TAINT_FIRMWARE_WORKAROUND should be set when an MTRR fixup
is done.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/1318958650-12447-1-git-send-email-prarit@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/mtrr/generic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index a71efcdbb092..e1fe7f42e0fb 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -547,6 +547,7 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
 
 		if (tmp != mask_lo) {
 			printk(KERN_WARNING "mtrr: your BIOS has configured an incorrect mask, fixing it.\n");
+			add_taint(TAINT_FIRMWARE_WORKAROUND);
 			mask_lo = tmp;
 		}
 	}
-- 
GitLab


From bd399063976c6c7a09beb4730ed1d93cadbcc739 Mon Sep 17 00:00:00 2001
From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Date: Mon, 7 Nov 2011 18:05:32 +0530
Subject: [PATCH 1185/1594] x86, microcode: Fix the failure path of microcode
 update driver init code

The microcode update driver's initialization code does not handle
failures correctly. This patch fixes this issue.

Signed-off-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20111107123530.12164.31227.stgit@srivatsabhat.in.ibm.com
Link: http://lkml.kernel.org/r/4ED8E2270200007800065120@nat28.tlf.novell.com
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---
 arch/x86/kernel/microcode_core.c | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index f2d2a664e797..9d46f5e43b51 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -256,7 +256,7 @@ static int __init microcode_dev_init(void)
 	return 0;
 }
 
-static void microcode_dev_exit(void)
+static void __exit microcode_dev_exit(void)
 {
 	misc_deregister(&microcode_dev);
 }
@@ -519,10 +519,8 @@ static int __init microcode_init(void)
 
 	microcode_pdev = platform_device_register_simple("microcode", -1,
 							 NULL, 0);
-	if (IS_ERR(microcode_pdev)) {
-		microcode_dev_exit();
+	if (IS_ERR(microcode_pdev))
 		return PTR_ERR(microcode_pdev);
-	}
 
 	get_online_cpus();
 	mutex_lock(&microcode_mutex);
@@ -532,14 +530,12 @@ static int __init microcode_init(void)
 	mutex_unlock(&microcode_mutex);
 	put_online_cpus();
 
-	if (error) {
-		platform_device_unregister(microcode_pdev);
-		return error;
-	}
+	if (error)
+		goto out_pdev;
 
 	error = microcode_dev_init();
 	if (error)
-		return error;
+		goto out_sysdev_driver;
 
 	register_syscore_ops(&mc_syscore_ops);
 	register_hotcpu_notifier(&mc_cpu_notifier);
@@ -548,6 +544,20 @@ static int __init microcode_init(void)
 		" <tigran@aivazian.fsnet.co.uk>, Peter Oruba\n");
 
 	return 0;
+
+out_sysdev_driver:
+	get_online_cpus();
+	mutex_lock(&microcode_mutex);
+
+	sysdev_driver_unregister(&cpu_sysdev_class, &mc_sysdev_driver);
+
+	mutex_unlock(&microcode_mutex);
+	put_online_cpus();
+
+out_pdev:
+	platform_device_unregister(microcode_pdev);
+	return error;
+
 }
 module_init(microcode_init);
 
-- 
GitLab


From ce37defc0f6673f5ca2c92ed5cfcaf290ae7dd16 Mon Sep 17 00:00:00 2001
From: Borislav Petkov <borislav.petkov@amd.com>
Date: Mon, 5 Dec 2011 14:28:37 +0100
Subject: [PATCH 1186/1594] x86: Document rdmsr_safe restrictions

Recently, I got bitten by using rdmsr_safe too early in the boot
process. Document its shortcomings for future reference.

Link: http://lkml.kernel.org/r/4ED5B70F.606@lwfinger.net
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---
 arch/x86/include/asm/msr.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 084ef95274cd..95203d40ffdd 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -169,7 +169,14 @@ static inline int wrmsr_safe(unsigned msr, unsigned low, unsigned high)
 	return native_write_msr_safe(msr, low, high);
 }
 
-/* rdmsr with exception handling */
+/*
+ * rdmsr with exception handling.
+ *
+ * Please note that the exception handling works only after we've
+ * switched to the "smart" #GP handler in trap_init() which knows about
+ * exception tables - using this macro earlier than that causes machine
+ * hangs on boxes which do not implement the @msr in the first argument.
+ */
 #define rdmsr_safe(msr, p1, p2)					\
 ({								\
 	int __err;						\
-- 
GitLab


From 8dbf4a30033ff61091015f0076e872b5c8f717cc Mon Sep 17 00:00:00 2001
From: Ajaykumar Hotchandani <ajaykumar.hotchandani@oracle.com>
Date: Fri, 11 Nov 2011 18:31:57 +0530
Subject: [PATCH 1187/1594] x86/mtrr: Resolve inconsistency with Intel
 processor manual

Following is from Notes of section 11.5.3 of Intel processor
manual available at:

  http://www.intel.com/Assets/PDF/manual/325384.pdf

For the Pentium 4 and Intel Xeon processors, after the sequence of
steps given above has been executed, the cache lines containing the
code between the end of the WBINVD instruction and before the
MTRRS have actually been disabled may be retained in the cache
hierarchy. Here, to remove code from the cache completely, a
second WBINVD instruction must be executed after the MTRRs have
been disabled.

This patch provides resolution for that.

Ideally, I will like to make changes only for Pentium 4 and Xeon
processors. But, I am not finding easier way to do it.
And, extra wbinvd() instruction does not hurt much for other
processors.

Signed-off-by: Ajaykumar Hotchandani <ajaykumar.hotchandani@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Link: http://lkml.kernel.org/r/4EBD1CC5.3030008@oracle.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/mtrr/generic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index e1fe7f42e0fb..97b26356e9ee 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -694,6 +694,7 @@ static void prepare_set(void) __acquires(set_atomicity_lock)
 
 	/* Disable MTRRs, and set the default type to uncached */
 	mtrr_wrmsr(MSR_MTRRdefType, deftype_lo & ~0xcff, deftype_hi);
+	wbinvd();
 }
 
 static void post_set(void) __releases(set_atomicity_lock)
-- 
GitLab


From 1ef03890969932e9359b9a4c658f7f87771910ac Mon Sep 17 00:00:00 2001
From: Peter Chubb <peter.chubb@nicta.com.au>
Date: Mon, 5 Dec 2011 16:53:53 +0300
Subject: [PATCH 1188/1594] x86: Fix "Acer Aspire 1" reboot hang
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Looks like on some Acer Aspire 1s with older bioses, reboot via bios
fails.  It works on my machine, (with BIOS version 0.3310) but
not on some others (BIOS version 0.3309).

There's a log of problems at:

  https://bbs.archlinux.org/viewtopic.php?id=124136

This patch adds a different callback to the reboot quirk table,
to allow rebooting via keybaord controller.

Reported-by: Uroš Vampl <mobile.leecher@gmail.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Peter Chubb <peter.chubb@nicta.com.au>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: stable@kernel.org
Link: http://lkml.kernel.org/r/1323093233-9481-1-git-send-email-anarsoul@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/reboot.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 4463d2fee4e3..37a458b521a6 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -124,7 +124,7 @@ __setup("reboot=", reboot_setup);
  */
 
 /*
- * Some machines require the "reboot=b"  commandline option,
+ * Some machines require the "reboot=b" or "reboot=k"  commandline options,
  * this quirk makes that automatic.
  */
 static int __init set_bios_reboot(const struct dmi_system_id *d)
@@ -136,6 +136,15 @@ static int __init set_bios_reboot(const struct dmi_system_id *d)
 	return 0;
 }
 
+static int __init set_kbd_reboot(const struct dmi_system_id *d)
+{
+	if (reboot_type != BOOT_KBD) {
+		reboot_type = BOOT_KBD;
+		printk(KERN_INFO "%s series board detected. Selecting KBD-method for reboot.\n", d->ident);
+	}
+	return 0;
+}
+
 static struct dmi_system_id __initdata reboot_dmi_table[] = {
 	{	/* Handle problems with rebooting on Dell E520's */
 		.callback = set_bios_reboot,
@@ -295,7 +304,7 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
 		},
 	},
 	{ /* Handle reboot issue on Acer Aspire one */
-		.callback = set_bios_reboot,
+		.callback = set_kbd_reboot,
 		.ident = "Acer Aspire One A110",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-- 
GitLab


From 2cd1c8d4dc7ecca9e9431e2dabe41ae9c7d89e51 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Tue, 15 Nov 2011 14:49:09 -0800
Subject: [PATCH 1189/1594] x86/paravirt: PTE updates in k(un)map_atomic need
 to be synchronous, regardless of lazy_mmu mode

Fix an outstanding issue that has been reported since 2.6.37.
Under a heavy loaded machine processing "fork()" calls could
crash with:

BUG: unable to handle kernel paging request at f573fc8c
IP: [<c01abc54>] swap_count_continued+0x104/0x180
*pdpt = 000000002a3b9027 *pde = 0000000001bed067 *pte = 0000000000000000 Oops: 0000 [#1] SMP
Modules linked in:
Pid: 1638, comm: apache2 Not tainted 3.0.4-linode37 #1
EIP: 0061:[<c01abc54>] EFLAGS: 00210246 CPU: 3
EIP is at swap_count_continued+0x104/0x180
.. snip..
Call Trace:
 [<c01ac222>] ? __swap_duplicate+0xc2/0x160
 [<c01040f7>] ? pte_mfn_to_pfn+0x87/0xe0
 [<c01ac2e4>] ? swap_duplicate+0x14/0x40
 [<c01a0a6b>] ? copy_pte_range+0x45b/0x500
 [<c01a0ca5>] ? copy_page_range+0x195/0x200
 [<c01328c6>] ? dup_mmap+0x1c6/0x2c0
 [<c0132cf8>] ? dup_mm+0xa8/0x130
 [<c013376a>] ? copy_process+0x98a/0xb30
 [<c013395f>] ? do_fork+0x4f/0x280
 [<c01573b3>] ? getnstimeofday+0x43/0x100
 [<c010f770>] ? sys_clone+0x30/0x40
 [<c06c048d>] ? ptregs_clone+0x15/0x48
 [<c06bfb71>] ? syscall_call+0x7/0xb

The problem is that in copy_page_range() we turn lazy mode on,
and then in swap_entry_free() we call swap_count_continued()
which ends up in:

         map = kmap_atomic(page, KM_USER0) + offset;

and then later we touch *map.

Since we are running in batched mode (lazy) we don't actually
set up the PTE mappings and the kmap_atomic is not done
synchronously and ends up trying to dereference a page that has
not been set.

Looking at kmap_atomic_prot_pfn(), it uses
'arch_flush_lazy_mmu_mode' and doing the same in
kmap_atomic_prot() and __kunmap_atomic() makes the problem go
away.

Interestingly, commit b8bcfe997e4615 ("x86/paravirt: remove lazy
mode in interrupts") removed part of this to fix an interrupt
issue - but it went to far and did not consider this scenario.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/highmem_32.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
index b49962662101..f4f29b19fac5 100644
--- a/arch/x86/mm/highmem_32.c
+++ b/arch/x86/mm/highmem_32.c
@@ -45,6 +45,7 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot)
 	vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
 	BUG_ON(!pte_none(*(kmap_pte-idx)));
 	set_pte(kmap_pte-idx, mk_pte(page, prot));
+	arch_flush_lazy_mmu_mode();
 
 	return (void *)vaddr;
 }
@@ -88,6 +89,7 @@ void __kunmap_atomic(void *kvaddr)
 		 */
 		kpte_clear_flush(kmap_pte-idx, vaddr);
 		kmap_atomic_idx_pop();
+		arch_flush_lazy_mmu_mode();
 	}
 #ifdef CONFIG_DEBUG_HIGHMEM
 	else {
-- 
GitLab


From a7a280493fb63f8e9fbfc8feec5810bf50e1e54f Mon Sep 17 00:00:00 2001
From: Major Lee <major_lee@wistrom.com>
Date: Tue, 15 Nov 2011 15:31:23 -0800
Subject: [PATCH 1190/1594] x86/mrst: Battery fixes

When DCDC input line over current detecting, PMIC will change
charging current automatically.  Logging event is enough.

Signed-off-by: Major Lee <major_lee@wistron.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: Feng Tang <feng.tang@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
[fix build]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/power/intel_mid_battery.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/power/intel_mid_battery.c b/drivers/power/intel_mid_battery.c
index cffcb7c00b00..01fa671ec97f 100644
--- a/drivers/power/intel_mid_battery.c
+++ b/drivers/power/intel_mid_battery.c
@@ -61,7 +61,8 @@ MODULE_PARM_DESC(debug, "Flag to enable PMIC Battery debug messages.");
 #define PMIC_BATT_CHR_SBATDET_MASK	(1 << 5)
 #define PMIC_BATT_CHR_SDCLMT_MASK	(1 << 6)
 #define PMIC_BATT_CHR_SUSBOVP_MASK	(1 << 7)
-#define PMIC_BATT_CHR_EXCPT_MASK	0xC6
+#define PMIC_BATT_CHR_EXCPT_MASK	0x86
+
 #define PMIC_BATT_ADC_ACCCHRG_MASK	(1 << 31)
 #define PMIC_BATT_ADC_ACCCHRGVAL_MASK	0x7FFFFFFF
 
@@ -304,11 +305,6 @@ static void pmic_battery_read_status(struct pmic_power_module_info *pbi)
 			pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
 			pmic_battery_log_event(BATT_EVENT_BATOVP_EXCPT);
 			batt_exception = 1;
-		} else if (r8 & PMIC_BATT_CHR_SDCLMT_MASK) {
-			pbi->batt_health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
-			pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
-			pmic_battery_log_event(BATT_EVENT_DCLMT_EXCPT);
-			batt_exception = 1;
 		} else if (r8 & PMIC_BATT_CHR_STEMP_MASK) {
 			pbi->batt_health = POWER_SUPPLY_HEALTH_OVERHEAT;
 			pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
@@ -316,6 +312,10 @@ static void pmic_battery_read_status(struct pmic_power_module_info *pbi)
 			batt_exception = 1;
 		} else {
 			pbi->batt_health = POWER_SUPPLY_HEALTH_GOOD;
+			if (r8 & PMIC_BATT_CHR_SDCLMT_MASK) {
+				/* PMIC will change charging current automatically */
+				pmic_battery_log_event(BATT_EVENT_DCLMT_EXCPT);
+			}
 		}
 	}
 
-- 
GitLab


From 35d476996288af6a4aaa8b172bcd31decd233de7 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Tue, 15 Nov 2011 14:46:52 -0800
Subject: [PATCH 1191/1594] x86/rtc, mrst: Don't register a platform RTC device
 for for Intel MID platforms

Intel MID x86 platforms have a memory mapped virtual RTC
instead.  No MID platform have the default ports (and
accessing them may do weird stuff).

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: feng.tang@intel.com
Cc: Feng Tang <feng.tang@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/mrst.h | 9 +++++++++
 arch/x86/kernel/rtc.c       | 5 +++++
 2 files changed, 14 insertions(+)

diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
index e6283129c821..93f79094c224 100644
--- a/arch/x86/include/asm/mrst.h
+++ b/arch/x86/include/asm/mrst.h
@@ -31,11 +31,20 @@ enum mrst_cpu_type {
 };
 
 extern enum mrst_cpu_type __mrst_cpu_chip;
+
+#ifdef CONFIG_X86_INTEL_MID
+
 static inline enum mrst_cpu_type mrst_identify_cpu(void)
 {
 	return __mrst_cpu_chip;
 }
 
+#else /* !CONFIG_X86_INTEL_MID */
+
+#define mrst_identify_cpu()    (0)
+
+#endif /* !CONFIG_X86_INTEL_MID */
+
 enum mrst_timer_options {
 	MRST_TIMER_DEFAULT,
 	MRST_TIMER_APBT_ONLY,
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 348ce016a835..af6db6ec5b2a 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -12,6 +12,7 @@
 #include <asm/vsyscall.h>
 #include <asm/x86_init.h>
 #include <asm/time.h>
+#include <asm/mrst.h>
 
 #ifdef CONFIG_X86_32
 /*
@@ -242,6 +243,10 @@ static __init int add_rtc_cmos(void)
 	if (of_have_populated_dt())
 		return 0;
 
+	/* Intel MID platforms don't have ioport rtc */
+	if (mrst_identify_cpu())
+		return -ENODEV;
+
 	platform_device_register(&rtc_device);
 	dev_info(&rtc_device.dev,
 		 "registered platform RTC device (no PNP device found)\n");
-- 
GitLab


From 38f6ae1e1b0d5e8b0a95f88c1eee2c5e8b001631 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Fri, 2 Dec 2011 09:38:33 +1100
Subject: [PATCH 1192/1594] perf stat: Failure with "Operation not supported"

perf stat is failing on PowerPC:

  Error: open_counter returned with 95 (Operation not supported). /bin/dmesg may provide additional information.

  Fatal: Not all events could be opened.

commit 370faf1dd046 (perf stat: Fail softly on unsupported events)
added a check for failure returning ENOENT, but the POWER backend
returns EOPNOTSUPP. It looks like alpha, blackfin and mips do the
same.

With the patch applied, things work as expected:

 Performance counter stats for '/bin/true':

          0.362176 task-clock                #    0.623 CPUs utilized
                 0 context-switches          #    0.000 M/sec
                 0 CPU-migrations            #    0.000 M/sec
                28 page-faults               #    0.077 M/sec
         1,677,020 cycles                    #    4.630 GHz
   <not supported> stalled-cycles-frontend
   <not supported> stalled-cycles-backend
           431,220 instructions              #    0.26  insns per cycle
           101,889 branches                  #  281.325 M/sec
             4,145 branch-misses             #    4.07% of all branches

       0.000581361 seconds time elapsed

Cc: <stable@kernel.org> # 3.0+
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111202093833.5fef7226@kryten
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-stat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 7d98676808d8..955930e0a5c3 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -463,7 +463,8 @@ static int run_perf_stat(int argc __used, const char **argv)
 
 	list_for_each_entry(counter, &evsel_list->entries, node) {
 		if (create_perf_stat_counter(counter, first) < 0) {
-			if (errno == EINVAL || errno == ENOSYS || errno == ENOENT) {
+			if (errno == EINVAL || errno == ENOSYS ||
+			    errno == ENOENT || errno == EOPNOTSUPP) {
 				if (verbose)
 					ui__warning("%s event is not supported by the kernel.\n",
 						    event_name(counter));
-- 
GitLab


From 8360ee2f74bda2b794bdf4e23ab19d8b4e93807f Mon Sep 17 00:00:00 2001
From: Borislav Petkov <borislav.petkov@amd.com>
Date: Mon, 21 Nov 2011 12:10:19 +0100
Subject: [PATCH 1193/1594] x86, AMD: Correct align_va_addr documentation

Commit dfb09f9b7ab0 ("x86, amd: Avoid cache aliasing penalties
on AMD family 15h") introduced a kernel command line parameter
called 'align_va_addr' which still refers to arguments used in
an earlier version of the patch and which got changed without
updating the documentation. Correct that omission.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Frank Arnold <frank.arnold@amd.com>
Link: http://lkml.kernel.org/r/1321873819-29541-1-git-send-email-bp@amd64.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 Documentation/kernel-parameters.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index a0c5c5f4fce6..5e22c3f1f8bd 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -315,8 +315,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			CPU-intensive style benchmark, and it can vary highly in
 			a microbenchmark depending on workload and compiler.
 
-			1: only for 32-bit processes
-			2: only for 64-bit processes
+			32: only for 32-bit processes
+			64: only for 64-bit processes
 			on: enable for both 32- and 64-bit processes
 			off: disable for both 32- and 64-bit processes
 
-- 
GitLab


From f62ef5f3e9cff065aa845e2b7f487e1810b8e57e Mon Sep 17 00:00:00 2001
From: Andreas Herrmann <andreas.herrmann3@amd.com>
Date: Fri, 2 Dec 2011 08:21:43 +0100
Subject: [PATCH 1194/1594] x86, amd: Fix up numa_node information for AMD CPU
 family 15h model 0-0fh northbridge functions

I've received complaints that the numa_node attribute for family
15h model 00-0fh (e.g. Interlagos) northbridge functions shows
-1 instead of the proper node ID.

Correct this with attached quirks (similar to quirks for other
AMD CPU families used in multi-socket systems).

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Frank Arnold <frank.arnold@amd.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Link: http://lkml.kernel.org/r/20111202072143.GA31916@alberich.amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/quirks.c | 13 +++++++++++++
 include/linux/pci_ids.h  |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index b78643d0f9a5..03920a15a632 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -553,4 +553,17 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC,
 			quirk_amd_nb_node);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_LINK,
 			quirk_amd_nb_node);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F0,
+			quirk_amd_nb_node);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F1,
+			quirk_amd_nb_node);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F2,
+			quirk_amd_nb_node);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F3,
+			quirk_amd_nb_node);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F4,
+			quirk_amd_nb_node);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F5,
+			quirk_amd_nb_node);
+
 #endif
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 172ba70306d1..2aaee0ca9da8 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -517,8 +517,12 @@
 #define PCI_DEVICE_ID_AMD_11H_NB_DRAM	0x1302
 #define PCI_DEVICE_ID_AMD_11H_NB_MISC	0x1303
 #define PCI_DEVICE_ID_AMD_11H_NB_LINK	0x1304
+#define PCI_DEVICE_ID_AMD_15H_NB_F0	0x1600
+#define PCI_DEVICE_ID_AMD_15H_NB_F1	0x1601
+#define PCI_DEVICE_ID_AMD_15H_NB_F2	0x1602
 #define PCI_DEVICE_ID_AMD_15H_NB_F3	0x1603
 #define PCI_DEVICE_ID_AMD_15H_NB_F4	0x1604
+#define PCI_DEVICE_ID_AMD_15H_NB_F5	0x1605
 #define PCI_DEVICE_ID_AMD_CNB17H_F3	0x1703
 #define PCI_DEVICE_ID_AMD_LANCE		0x2000
 #define PCI_DEVICE_ID_AMD_LANCE_HOME	0x2001
-- 
GitLab


From c8f369ab6003a2df3cdae30f9aba641a4a606034 Mon Sep 17 00:00:00 2001
From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Date: Wed, 26 Oct 2011 18:45:39 +0300
Subject: [PATCH 1195/1594] intel-iommu: Fix section mismatch in
 dmar_parse_rmrr_atsr_dev()

dmar_parse_rmrr_atsr_dev() calls rmrr_parse_dev() and
atsr_parse_dev() which are both marked as __init.

Section mismatch in reference from the function
dmar_parse_rmrr_atsr_dev() to the function
.init.text:dmar_parse_dev_scope() The function
dmar_parse_rmrr_atsr_dev() references the function __init
dmar_parse_dev_scope().

Section mismatch in reference from the function
dmar_parse_rmrr_atsr_dev() to the function
.init.text:dmar_parse_dev_scope() The function
dmar_parse_rmrr_atsr_dev() references the function __init
dmar_parse_dev_scope().

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: iommu@lists.linux-foundation.org
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Link: http://lkml.kernel.org/r/20111026154539.GA10103@swordfish
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/iommu/intel-iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c0c7820d4c46..a004c3945c67 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3524,7 +3524,7 @@ found:
 	return 0;
 }
 
-int dmar_parse_rmrr_atsr_dev(void)
+int __init dmar_parse_rmrr_atsr_dev(void)
 {
 	struct dmar_rmrr_unit *rmrr, *rmrr_n;
 	struct dmar_atsr_unit *atsr, *atsr_n;
-- 
GitLab


From 61ed26e388ac67da262bb1a95d0474e4cabd4b0d Mon Sep 17 00:00:00 2001
From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Date: Wed, 26 Oct 2011 19:15:07 +0300
Subject: [PATCH 1196/1594] intr_remapping: Fix section mismatch in
 ir_dev_scope_init()

Fix:

 Section mismatch in reference from the function
 ir_dev_scope_init() to the function
 .init.text:dmar_dev_scope_init() The function
 ir_dev_scope_init() references the function __init dmar_dev_scope_init().

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Youquan Song <youquan.song@intel.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Link: http://lkml.kernel.org/r/20111026161507.GB10103@swordfish
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/iommu/intr_remapping.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/intr_remapping.c b/drivers/iommu/intr_remapping.c
index 07c9f189f314..6777ca049471 100644
--- a/drivers/iommu/intr_remapping.c
+++ b/drivers/iommu/intr_remapping.c
@@ -773,7 +773,7 @@ int __init parse_ioapics_under_ir(void)
 	return ir_supported;
 }
 
-int ir_dev_scope_init(void)
+int __init ir_dev_scope_init(void)
 {
 	if (!intr_remapping_enabled)
 		return 0;
-- 
GitLab


From 6560ee07dc946e94f7cc2cd8e3b5a5f5ee7340c1 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Thu, 1 Dec 2011 21:13:02 +0100
Subject: [PATCH 1197/1594] ARM: OMAP1: recalculate loops per jiffy after dpll1
 reprogram

Otherwise timing is inaccurate, resulting in devices which depend on it,
like omap-keypad, broken.

Tested on Amstrad Delta.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: removed comment referencing a development branch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap1/clock_data.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
index 86b2dec11788..9ff90a744a21 100644
--- a/arch/arm/mach-omap1/clock_data.c
+++ b/arch/arm/mach-omap1/clock_data.c
@@ -16,6 +16,8 @@
 
 #include <linux/kernel.h>
 #include <linux/clk.h>
+#include <linux/cpufreq.h>
+#include <linux/delay.h>
 #include <linux/io.h>
 
 #include <asm/mach-types.h>  /* for machine_is_* */
@@ -927,7 +929,9 @@ int __init omap1_clk_init(void)
 
 void __init omap1_clk_late_init(void)
 {
-	if (ck_dpll1.rate >= OMAP1_DPLL1_SANE_VALUE)
+	unsigned long rate = ck_dpll1.rate;
+
+	if (rate >= OMAP1_DPLL1_SANE_VALUE)
 		return;
 
 	/* System booting at unusable rate, force reprogramming of DPLL1 */
@@ -942,4 +946,5 @@ void __init omap1_clk_late_init(void)
 	}
 	propagate_rate(&ck_dpll1);
 	omap1_show_rates();
+	loops_per_jiffy = cpufreq_scale(loops_per_jiffy, rate, ck_dpll1.rate);
 }
-- 
GitLab


From 11948b9335865dc0ba3a5ca2c9c255291a8d50fb Mon Sep 17 00:00:00 2001
From: Seth Forshee <seth.forshee@canonical.com>
Date: Wed, 16 Nov 2011 17:37:45 -0600
Subject: [PATCH 1198/1594] toshiba_acpi: Fix machines that don't support
 HCI_SYSTEM_EVENT

The Satellite C670-10V generates notifications for hotkeys but does
not support HCI_SYSTEM_EVENT. As a result when a hotkey is pressed
it gets stuck in an infinite loop in toshiba_acpi_notify. To fix
this, detect whether or not HCI_SYSTEM_EVENT is supported up-front
and don't try to read system events if it isn't supported. In
addition, limit the number of retries when reading HCI_SYSTEM_EVENT
fails so that this loop cannot run unbounded.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/toshiba_acpi.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 13ef8c37471d..dcdc1f4a4624 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -121,6 +121,7 @@ struct toshiba_acpi_dev {
 	int illumination_supported:1;
 	int video_supported:1;
 	int fan_supported:1;
+	int system_event_supported:1;
 
 	struct mutex mutex;
 };
@@ -724,7 +725,7 @@ static int keys_proc_show(struct seq_file *m, void *v)
 	u32 hci_result;
 	u32 value;
 
-	if (!dev->key_event_valid) {
+	if (!dev->key_event_valid && dev->system_event_supported) {
 		hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
 		if (hci_result == HCI_SUCCESS) {
 			dev->key_event_valid = 1;
@@ -964,6 +965,8 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
 
 	/* enable event fifo */
 	hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
+	if (hci_result == HCI_SUCCESS)
+		dev->system_event_supported = 1;
 
 	props.type = BACKLIGHT_PLATFORM;
 	props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
@@ -1032,12 +1035,15 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
 {
 	struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
 	u32 hci_result, value;
+	int retries = 3;
 
-	if (event != 0x80)
+	if (!dev->system_event_supported || event != 0x80)
 		return;
+
 	do {
 		hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
-		if (hci_result == HCI_SUCCESS) {
+		switch (hci_result) {
+		case HCI_SUCCESS:
 			if (value == 0x100)
 				continue;
 			/* act on key press; ignore key release */
@@ -1049,14 +1055,19 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
 				pr_info("Unknown key %x\n",
 				       value);
 			}
-		} else if (hci_result == HCI_NOT_SUPPORTED) {
+			break;
+		case HCI_NOT_SUPPORTED:
 			/* This is a workaround for an unresolved issue on
 			 * some machines where system events sporadically
 			 * become disabled. */
 			hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
 			pr_notice("Re-enabled hotkeys\n");
+			/* fall through */
+		default:
+			retries--;
+			break;
 		}
-	} while (hci_result != HCI_EMPTY);
+	} while (retries && hci_result != HCI_EMPTY);
 }
 
 
-- 
GitLab


From de398fb8b92eba3447298053a483727bdd5fe37e Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Mon, 5 Dec 2011 13:21:42 -0500
Subject: [PATCH 1199/1594] ipv4: Fix peer validation on cached lookup.

If ipv4_valdiate_peer() fails during a cached entry lookup,
we'll NULL derer since the loop iterator assumes rth is not
NULL.

Letting this be handled as a failure is just bogus, so just make it
not fail.  If we have trouble getting a non-NULL neighbour for the
redirected gateway, just restore the original gateway and continue.

The very next use of this cached route will try again.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 35 +++++++++++++----------------------
 1 file changed, 13 insertions(+), 22 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 588d971a3ba1..46af62363b8c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1310,7 +1310,7 @@ static void rt_del(unsigned hash, struct rtable *rt)
 	spin_unlock_bh(rt_hash_lock_addr(hash));
 }
 
-static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
+static void check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
 {
 	struct rtable *rt = (struct rtable *) dst;
 	__be32 orig_gw = rt->rt_gateway;
@@ -1321,21 +1321,19 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
 	rt->rt_gateway = peer->redirect_learned.a4;
 
 	n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
-	if (IS_ERR(n))
-		return PTR_ERR(n);
+	if (IS_ERR(n)) {
+		rt->rt_gateway = orig_gw;
+		return;
+	}
 	old_n = xchg(&rt->dst._neighbour, n);
 	if (old_n)
 		neigh_release(old_n);
-	if (!n || !(n->nud_state & NUD_VALID)) {
-		if (n)
-			neigh_event_send(n, NULL);
-		rt->rt_gateway = orig_gw;
-		return -EAGAIN;
+	if (!(n->nud_state & NUD_VALID)) {
+		neigh_event_send(n, NULL);
 	} else {
 		rt->rt_flags |= RTCF_REDIRECTED;
 		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);
 	}
-	return 0;
 }
 
 /* called in rcu_read_lock() section */
@@ -1693,7 +1691,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
 }
 
 
-static struct rtable *ipv4_validate_peer(struct rtable *rt)
+static void ipv4_validate_peer(struct rtable *rt)
 {
 	if (rt->rt_peer_genid != rt_peer_genid()) {
 		struct inet_peer *peer;
@@ -1708,15 +1706,12 @@ static struct rtable *ipv4_validate_peer(struct rtable *rt)
 			if (peer->redirect_genid != redirect_genid)
 				peer->redirect_learned.a4 = 0;
 			if (peer->redirect_learned.a4 &&
-			    peer->redirect_learned.a4 != rt->rt_gateway) {
-				if (check_peer_redir(&rt->dst, peer))
-					return NULL;
-			}
+			    peer->redirect_learned.a4 != rt->rt_gateway)
+				check_peer_redir(&rt->dst, peer);
 		}
 
 		rt->rt_peer_genid = rt_peer_genid();
 	}
-	return rt;
 }
 
 static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
@@ -1725,7 +1720,7 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 
 	if (rt_is_expired(rt))
 		return NULL;
-	dst = (struct dst_entry *) ipv4_validate_peer(rt);
+	ipv4_validate_peer(rt);
 	return dst;
 }
 
@@ -2380,9 +2375,7 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 		    rth->rt_mark == skb->mark &&
 		    net_eq(dev_net(rth->dst.dev), net) &&
 		    !rt_is_expired(rth)) {
-			rth = ipv4_validate_peer(rth);
-			if (!rth)
-				continue;
+			ipv4_validate_peer(rth);
 			if (noref) {
 				dst_use_noref(&rth->dst, jiffies);
 				skb_dst_set_noref(skb, &rth->dst);
@@ -2758,9 +2751,7 @@ struct rtable *__ip_route_output_key(struct net *net, struct flowi4 *flp4)
 			    (IPTOS_RT_MASK | RTO_ONLINK)) &&
 		    net_eq(dev_net(rth->dst.dev), net) &&
 		    !rt_is_expired(rth)) {
-			rth = ipv4_validate_peer(rth);
-			if (!rth)
-				continue;
+			ipv4_validate_peer(rth);
 			dst_use(&rth->dst, jiffies);
 			RT_CACHE_STAT_INC(out_hit);
 			rcu_read_unlock_bh();
-- 
GitLab


From cb59974742aea24adf6637eb0c4b8e7b48bca6fb Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Mon, 31 Oct 2011 11:07:42 +0200
Subject: [PATCH 1200/1594] tracing: fix event_subsystem ref counting

Fix a bug introduced by e9dbfae5, which prevents event_subsystem from
ever being released.

Ref_count was added to keep track of subsystem users, not for counting
events.  Subsystem is created with ref_count = 1, so there is no need to
increment it for every event, we have nr_events for that.  Fix this by
touching ref_count only when we actually have a new user -
subsystem_open().

Cc: stable@vger.kernel.org
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Link: http://lkml.kernel.org/r/1320052062-7846-1-git-send-email-idryomov@gmail.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/trace_events.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 581876f9f387..c212a7f934ec 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1078,7 +1078,6 @@ event_subsystem_dir(const char *name, struct dentry *d_events)
 	/* First see if we did not already create this dir */
 	list_for_each_entry(system, &event_subsystems, list) {
 		if (strcmp(system->name, name) == 0) {
-			__get_system(system);
 			system->nr_events++;
 			return system->entry;
 		}
-- 
GitLab


From 27b14b56af081ec7edeefb3a38b2c9577cc5ef48 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Tue, 1 Nov 2011 09:09:35 +0800
Subject: [PATCH 1201/1594] tracing: Restore system filter behavior

Though not all events have field 'prev_pid', it was allowed to do this:

  # echo 'prev_pid == 100' > events/sched/filter

but commit 75b8e98263fdb0bfbdeba60d4db463259f1fe8a2 (tracing/filter: Swap
entire filter of events) broke it without any reason.

Link: http://lkml.kernel.org/r/4EAF46CF.8040408@cn.fujitsu.com

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 include/linux/ftrace_event.h       | 2 ++
 kernel/trace/trace_events_filter.c | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 96efa6794ea5..c3da42dd22ba 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -172,6 +172,7 @@ enum {
 	TRACE_EVENT_FL_FILTERED_BIT,
 	TRACE_EVENT_FL_RECORDED_CMD_BIT,
 	TRACE_EVENT_FL_CAP_ANY_BIT,
+	TRACE_EVENT_FL_NO_SET_FILTER_BIT,
 };
 
 enum {
@@ -179,6 +180,7 @@ enum {
 	TRACE_EVENT_FL_FILTERED		= (1 << TRACE_EVENT_FL_FILTERED_BIT),
 	TRACE_EVENT_FL_RECORDED_CMD	= (1 << TRACE_EVENT_FL_RECORDED_CMD_BIT),
 	TRACE_EVENT_FL_CAP_ANY		= (1 << TRACE_EVENT_FL_CAP_ANY_BIT),
+	TRACE_EVENT_FL_NO_SET_FILTER	= (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT),
 };
 
 struct ftrace_event_call {
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index d6e7926dcd26..95dc31efd6dd 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1649,7 +1649,9 @@ static int replace_system_preds(struct event_subsystem *system,
 		 */
 		err = replace_preds(call, NULL, ps, filter_string, true);
 		if (err)
-			goto fail;
+			call->flags |= TRACE_EVENT_FL_NO_SET_FILTER;
+		else
+			call->flags &= ~TRACE_EVENT_FL_NO_SET_FILTER;
 	}
 
 	list_for_each_entry(call, &ftrace_events, list) {
@@ -1658,6 +1660,9 @@ static int replace_system_preds(struct event_subsystem *system,
 		if (strcmp(call->class->system, system->name) != 0)
 			continue;
 
+		if (call->flags & TRACE_EVENT_FL_NO_SET_FILTER)
+			continue;
+
 		filter_item = kzalloc(sizeof(*filter_item), GFP_KERNEL);
 		if (!filter_item)
 			goto fail_mem;
-- 
GitLab


From c7c6ec8becaf742b223c7b491f4893014be23a07 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 4 Nov 2011 10:45:23 -0400
Subject: [PATCH 1202/1594] ftrace: Remove force undef config value left for
 testing

A forced undef of a config value was used for testing and was
accidently left in during the final commit. This causes x86 to
run slower than needed while running function tracing as well
as causes the function graph selftest to fail when DYNMAIC_FTRACE
is not set. This is because the code in MCOUNT expects the ftrace
code to be processed with the config value set that happened to
be forced not set.

The forced config option was left in by:
    commit 6331c28c962561aee59e5a493b7556a4bb585957
    ftrace: Fix dynamic selftest failure on some archs

Link: http://lkml.kernel.org/r/20111102150255.GA6973@debian

Cc: stable@vger.kernel.org
Reported-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/ftrace.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 900b409543db..1276b3ca1598 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -152,7 +152,6 @@ void clear_ftrace_function(void)
 	ftrace_pid_function = ftrace_stub;
 }
 
-#undef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST
 #ifndef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST
 /*
  * For those archs that do not test ftrace_trace_stop in their
-- 
GitLab


From bbbf7af4bf8fc69bc751818cf30521080fa47dcb Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Tue, 18 Oct 2011 19:55:51 +0200
Subject: [PATCH 1203/1594] jump_label: jump_label_inc may return before the
 code is patched

If cpu A calls jump_label_inc() just after atomic_add_return() is
called by cpu B, atomic_inc_not_zero() will return value greater then
zero and jump_label_inc() will return to a caller before jump_label_update()
finishes its job on cpu B.

Link: http://lkml.kernel.org/r/20111018175551.GH17571@redhat.com

Cc: stable@vger.kernel.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/jump_label.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index bbdfe2a462a0..66ff7109f697 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -66,8 +66,9 @@ void jump_label_inc(struct jump_label_key *key)
 		return;
 
 	jump_label_lock();
-	if (atomic_add_return(1, &key->enabled) == 1)
+	if (atomic_read(&key->enabled) == 0)
 		jump_label_update(key, JUMP_LABEL_ENABLE);
+	atomic_inc(&key->enabled);
 	jump_label_unlock();
 }
 
-- 
GitLab


From d06c27b22aa66e48e32f03f9387328a9af9b0625 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 4 Nov 2011 16:32:25 -0400
Subject: [PATCH 1204/1594] perf: Fix parsing of __print_flags() in TP_printk()

A update is made to the sched:sched_switch event that adds some
logic to the first parameter of the __print_flags() that shows the
state of tasks. This change cause perf to fail parsing the flags.

A simple fix is needed to have the parser be able to process ops
within the argument.

Cc: stable@vger.kernel.org
Reported-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 tools/perf/util/trace-event-parse.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 0a7ed5b5e281..6c164dc9ee95 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -1537,6 +1537,8 @@ process_flags(struct event *event, struct print_arg *arg, char **tok)
 	field = malloc_or_die(sizeof(*field));
 
 	type = process_arg(event, field, &token);
+	while (type == EVENT_OP)
+		type = process_op(event, field, &token);
 	if (test_type_token(type, token, EVENT_DELIM, ","))
 		goto out_free;
 
-- 
GitLab


From ddf6e0e50723b62ac76ed18eb53e9417c6eefba7 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 4 Nov 2011 20:32:39 -0400
Subject: [PATCH 1205/1594] ftrace: Fix hash record accounting bug

If the set_ftrace_filter is cleared by writing just whitespace to
it, then the filter hash refcounts will be decremented but not
updated. This causes two bugs:

1) No functions will be enabled for tracing when they all should be

2) If the users clears the set_ftrace_filter twice, it will crash ftrace:

------------[ cut here ]------------
WARNING: at /home/rostedt/work/git/linux-trace.git/kernel/trace/ftrace.c:1384 __ftrace_hash_rec_update.part.27+0x157/0x1a7()
Modules linked in:
Pid: 2330, comm: bash Not tainted 3.1.0-test+ #32
Call Trace:
 [<ffffffff81051828>] warn_slowpath_common+0x83/0x9b
 [<ffffffff8105185a>] warn_slowpath_null+0x1a/0x1c
 [<ffffffff810ba362>] __ftrace_hash_rec_update.part.27+0x157/0x1a7
 [<ffffffff810ba6e8>] ? ftrace_regex_release+0xa7/0x10f
 [<ffffffff8111bdfe>] ? kfree+0xe5/0x115
 [<ffffffff810ba51e>] ftrace_hash_move+0x2e/0x151
 [<ffffffff810ba6fb>] ftrace_regex_release+0xba/0x10f
 [<ffffffff8112e49a>] fput+0xfd/0x1c2
 [<ffffffff8112b54c>] filp_close+0x6d/0x78
 [<ffffffff8113a92d>] sys_dup3+0x197/0x1c1
 [<ffffffff8113a9a6>] sys_dup2+0x4f/0x54
 [<ffffffff8150cac2>] system_call_fastpath+0x16/0x1b
---[ end trace 77a3a7ee73794a02 ]---

Link: http://lkml.kernel.org/r/20111101141420.GA4918@debian

Reported-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/ftrace.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 1276b3ca1598..b1e8943fed1d 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1211,7 +1211,9 @@ ftrace_hash_move(struct ftrace_ops *ops, int enable,
 	if (!src->count) {
 		free_ftrace_hash_rcu(*dst);
 		rcu_assign_pointer(*dst, EMPTY_HASH);
-		return 0;
+		/* still need to update the function records */
+		ret = 0;
+		goto out;
 	}
 
 	/*
-- 
GitLab


From bbef98ab0f019f1b0c25c1acdf1683c68933d41b Mon Sep 17 00:00:00 2001
From: Ram Pai <linuxram@us.ibm.com>
Date: Sun, 6 Nov 2011 10:33:10 +0800
Subject: [PATCH 1206/1594] PCI: defer enablement of SRIOV BARS

All the PCI BARs of a device are enabled when the device is enabled
using pci_enable_device().  This unnecessarily enables SRIOV BARs of the
device.

On some platforms, which do not support SRIOV as yet, the
pci_enable_device() fails to enable the device if its SRIOV BARs are not
allocated resources correctly.

The following patch fixes the above problem. The SRIOV BARs are now
enabled when IOV capability of the device is enabled in sriov_enable().

NOTE: Note, there is subtle change in the pci_enable_device() API.  Any
driver that depends on SRIOV BARS to be enabled in pci_enable_device()
can fail.

The patch has been touch tested on power and x86 platform.

Tested-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/iov.c | 7 +++++++
 drivers/pci/pci.c | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b82c155d7b37..1969a3ee3058 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -283,6 +283,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	struct resource *res;
 	struct pci_dev *pdev;
 	struct pci_sriov *iov = dev->sriov;
+	int bars = 0;
 
 	if (!nr_virtfn)
 		return 0;
@@ -307,6 +308,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 
 	nres = 0;
 	for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
+		bars |= (1 << (i + PCI_IOV_RESOURCES));
 		res = dev->resource + PCI_IOV_RESOURCES + i;
 		if (res->parent)
 			nres++;
@@ -324,6 +326,11 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 		return -ENOMEM;
 	}
 
+	if (pci_enable_resources(dev, bars)) {
+		dev_err(&dev->dev, "SR-IOV: IOV BARS not allocated\n");
+		return -ENOMEM;
+	}
+
 	if (iov->link != dev->devfn) {
 		pdev = pci_get_slot(dev->bus, iov->link);
 		if (!pdev)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 6f45a73c6e9f..4788413f43d7 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1126,7 +1126,7 @@ static int __pci_enable_device_flags(struct pci_dev *dev,
 	if (atomic_add_return(1, &dev->enable_cnt) > 1)
 		return 0;		/* already enabled */
 
-	for (i = 0; i < DEVICE_COUNT_RESOURCE; i++)
+	for (i = 0; i < PCI_ROM_RESOURCE; i++)
 		if (dev->resource[i].flags & flags)
 			bars |= (1 << i);
 
-- 
GitLab


From 8c4519456713628cbb457c77bf06684aace67f69 Mon Sep 17 00:00:00 2001
From: James Bottomley <jbottomley@parallels.com>
Date: Tue, 29 Nov 2011 19:20:23 +0000
Subject: [PATCH 1207/1594] PCI: fix ats compile failure

I get this compile failure on parisc:

drivers/pci/ats.c: In function 'ats_alloc_one':
drivers/pci/ats.c:29: error: implicit declaration of function 'kzalloc'
drivers/pci/ats.c:29: warning: assignment makes pointer from integer without a cast
drivers/pci/ats.c: In function 'ats_free_one':
drivers/pci/ats.c:45: error: implicit declaration of function 'kfree'

Because ats.c is missing linux/slab.h as an include.  This patch fixes it

Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/ats.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index 7ec56fb0bd78..b0dd08e6a9da 100644
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -13,6 +13,7 @@
 #include <linux/export.h>
 #include <linux/pci-ats.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
 
 #include "pci.h"
 
-- 
GitLab


From 145294c359a690b35c62d27dcff28fe892d02aca Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 5 Dec 2011 18:27:25 +0000
Subject: [PATCH 1208/1594] ASoC: Remove references to corgi and spitz from
 machine driver document

They're not currently actively worked on, the hardware being rather
obsolete by now.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 Documentation/sound/alsa/soc/machine.txt | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Documentation/sound/alsa/soc/machine.txt b/Documentation/sound/alsa/soc/machine.txt
index 3e2ec9cbf397..d50c14df3411 100644
--- a/Documentation/sound/alsa/soc/machine.txt
+++ b/Documentation/sound/alsa/soc/machine.txt
@@ -50,8 +50,7 @@ Machine DAI Configuration
 The machine DAI configuration glues all the codec and CPU DAIs together. It can
 also be used to set up the DAI system clock and for any machine related DAI
 initialisation e.g. the machine audio map can be connected to the codec audio
-map, unconnected codec pins can be set as such. Please see corgi.c, spitz.c
-for examples.
+map, unconnected codec pins can be set as such.
 
 struct snd_soc_dai_link is used to set up each DAI in your machine. e.g.
 
@@ -83,8 +82,7 @@ Machine Power Map
 The machine driver can optionally extend the codec power map and to become an
 audio power map of the audio subsystem. This allows for automatic power up/down
 of speaker/HP amplifiers, etc. Codec pins can be connected to the machines jack
-sockets in the machine init function. See soc/pxa/spitz.c and dapm.txt for
-details.
+sockets in the machine init function.
 
 
 Machine Controls
-- 
GitLab


From 8c9b04346c0ae302d8b7b7df16cc19ddff77742e Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Mon, 5 Dec 2011 14:47:48 +0100
Subject: [PATCH 1209/1594] gpio: fix a build failure on KS8695 GPIO

I screwed up by compiling that driver for the machine rather
than the arch. Correcting this fixes the build error.

Cc: Grant Likely <grant.likely@secretlab.ca>
Reported-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index dbcb0bcfd8da..4e018d6a7639 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -18,7 +18,7 @@ obj-$(CONFIG_ARCH_DAVINCI)	+= gpio-davinci.o
 obj-$(CONFIG_GPIO_EP93XX)	+= gpio-ep93xx.o
 obj-$(CONFIG_GPIO_IT8761E)	+= gpio-it8761e.o
 obj-$(CONFIG_GPIO_JANZ_TTL)	+= gpio-janz-ttl.o
-obj-$(CONFIG_MACH_KS8695)	+= gpio-ks8695.o
+obj-$(CONFIG_ARCH_KS8695)	+= gpio-ks8695.o
 obj-$(CONFIG_GPIO_LANGWELL)	+= gpio-langwell.o
 obj-$(CONFIG_ARCH_LPC32XX)	+= gpio-lpc32xx.o
 obj-$(CONFIG_GPIO_MAX730X)	+= gpio-max730x.o
-- 
GitLab


From 811fd3010cf512f2e23e6c4c912aad54516dc706 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?fran=C3=A7ois=20romieu?= <romieu@fr.zoreil.com>
Date: Sun, 4 Dec 2011 20:30:45 +0000
Subject: [PATCH 1210/1594] r8169: Rx FIFO overflow fixes.

Realtek has specified that the post 8168c gigabit chips and the post
8105e fast ethernet chips recover automatically from a Rx FIFO overflow.
The driver does not need to clear the RxFIFOOver bit of IntrStatus and
it should rather avoid messing it.

The implementation deserves some explanation:
1. events outside of the intr_event bit mask are now ignored. It enforces
   a no-processing policy for the events that either should not be there
   or should be ignored.

2. RxFIFOOver was already ignored in rtl_cfg_infos[RTL_CFG_1] for the
   whole 8168 line of chips with two exceptions:
   - RTL_GIGA_MAC_VER_22 since b5ba6d12bdac21bc0620a5089e0f24e362645efd
     ("use RxFIFO overflow workaround for 8168c chipset.").
     This one should now be correctly handled.
   - RTL_GIGA_MAC_VER_11 (8168b) which requires a different Rx FIFO
     overflow processing.

   Though it does not conform to Realtek suggestion above, the updated
   driver includes no change for RTL_GIGA_MAC_VER_12 and RTL_GIGA_MAC_VER_17.
   Both are 8168b. RTL_GIGA_MAC_VER_12 is common and a bit old so I'd rather
   wait for experimental evidence that the change suggested by Realtek really
   helps or does not hurt in unexpected ways.

   Removed case statements in rtl8169_interrupt are only 8168 relevant.

3. RxFIFOOver is masked for post 8105e 810x chips, namely the sole 8105e
   (RTL_GIGA_MAC_VER_30) itself.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: hayeswang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/realtek/r8169.c | 42 +++++++++++-----------------
 1 file changed, 17 insertions(+), 25 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 6f06aa10f0d7..7a1e3a69f193 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1183,11 +1183,13 @@ static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
 	return value;
 }
 
-static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
+static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
 {
-	RTL_W16(IntrMask, 0x0000);
+	void __iomem *ioaddr = tp->mmio_addr;
 
-	RTL_W16(IntrStatus, 0xffff);
+	RTL_W16(IntrMask, 0x0000);
+	RTL_W16(IntrStatus, tp->intr_event);
+	RTL_R8(ChipCmd);
 }
 
 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
@@ -4339,7 +4341,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp)
 	void __iomem *ioaddr = tp->mmio_addr;
 
 	/* Disable interrupts */
-	rtl8169_irq_mask_and_ack(ioaddr);
+	rtl8169_irq_mask_and_ack(tp);
 
 	rtl_rx_close(tp);
 
@@ -4885,8 +4887,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
 	RTL_W16(IntrMitigate, 0x5151);
 
 	/* Work around for RxFIFO overflow. */
-	if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
-	    tp->mac_version == RTL_GIGA_MAC_VER_22) {
+	if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
 		tp->intr_event |= RxFIFOOver | PCSTimeout;
 		tp->intr_event &= ~RxOverflow;
 	}
@@ -5076,6 +5077,11 @@ static void rtl_hw_start_8101(struct net_device *dev)
 	void __iomem *ioaddr = tp->mmio_addr;
 	struct pci_dev *pdev = tp->pci_dev;
 
+	if (tp->mac_version >= RTL_GIGA_MAC_VER_30) {
+		tp->intr_event &= ~RxFIFOOver;
+		tp->napi_event &= ~RxFIFOOver;
+	}
+
 	if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
 	    tp->mac_version == RTL_GIGA_MAC_VER_16) {
 		int cap = pci_pcie_cap(pdev);
@@ -5342,7 +5348,7 @@ static void rtl8169_wait_for_quiescence(struct net_device *dev)
 	/* Wait for any pending NAPI task to complete */
 	napi_disable(&tp->napi);
 
-	rtl8169_irq_mask_and_ack(ioaddr);
+	rtl8169_irq_mask_and_ack(tp);
 
 	tp->intr_mask = 0xffff;
 	RTL_W16(IntrMask, tp->intr_event);
@@ -5804,6 +5810,10 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
 	 */
 	status = RTL_R16(IntrStatus);
 	while (status && status != 0xffff) {
+		status &= tp->intr_event;
+		if (!status)
+			break;
+
 		handled = 1;
 
 		/* Handle all of the error cases first. These will reset
@@ -5818,27 +5828,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
 			switch (tp->mac_version) {
 			/* Work around for rx fifo overflow */
 			case RTL_GIGA_MAC_VER_11:
-			case RTL_GIGA_MAC_VER_22:
-			case RTL_GIGA_MAC_VER_26:
 				netif_stop_queue(dev);
 				rtl8169_tx_timeout(dev);
 				goto done;
-			/* Testers needed. */
-			case RTL_GIGA_MAC_VER_17:
-			case RTL_GIGA_MAC_VER_19:
-			case RTL_GIGA_MAC_VER_20:
-			case RTL_GIGA_MAC_VER_21:
-			case RTL_GIGA_MAC_VER_23:
-			case RTL_GIGA_MAC_VER_24:
-			case RTL_GIGA_MAC_VER_27:
-			case RTL_GIGA_MAC_VER_28:
-			case RTL_GIGA_MAC_VER_31:
-			/* Experimental science. Pktgen proof. */
-			case RTL_GIGA_MAC_VER_12:
-			case RTL_GIGA_MAC_VER_25:
-				if (status == RxFIFOOver)
-					goto done;
-				break;
 			default:
 				break;
 			}
-- 
GitLab


From c7c2c39be8ed4e503e987151f4599455060e219a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?fran=C3=A7ois=20romieu?= <romieu@fr.zoreil.com>
Date: Sun, 4 Dec 2011 20:30:52 +0000
Subject: [PATCH 1211/1594] r8169: fix Rx index race between FIFO overflow
 recovery and NAPI handler.

Since 92fc43b4159b518f5baae57301f26d770b0834c9, rtl8169_tx_timeout ends up
resetting Rx and Tx indexes and thus racing with the NAPI handler via
-> rtl8169_hw_reset
   -> rtl_hw_reset
      -> rtl8169_init_ring_indexes

What about returning to the original state ?

rtl_hw_reset is only used by rtl8169_hw_reset and rtl8169_init_one.

The latter does not need rtl8169_init_ring_indexes because the indexes
still contain their original values from the newly allocated network
device private data area (i.e. 0).

rtl8169_hw_reset is used by:
1. rtl8169_down
   Helper for rtl8169_close. rtl8169_open explicitely inits the indexes
   anyway.
2. rtl8169_pcierr_interrupt
   Indexes are set by rtl8169_reinit_task.
3. rtl8169_interrupt
   rtl8169_hw_reset is needed when the device goes down. See 1.
4. rtl_shutdown
   System shutdown handler. Indexes are irrelevant.
5. rtl8169_reset_task
   Indexes must be set before rtl_hw_start is called.
6. rtl8169_tx_timeout
   Indexes should not be set. This is the job of rtl8169_reset_task anyway.

The removal of rtl8169_hw_reset in rtl8169_tx_timeout and its move in
rtl8169_reset_task do not change the analysis.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: hayeswang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/realtek/r8169.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 7a1e3a69f193..67bf07819992 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -3935,8 +3935,6 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
 			break;
 		udelay(100);
 	}
-
-	rtl8169_init_ring_indexes(tp);
 }
 
 static int __devinit
@@ -5395,14 +5393,16 @@ static void rtl8169_reset_task(struct work_struct *work)
 	if (!netif_running(dev))
 		goto out_unlock;
 
+	rtl8169_hw_reset(tp);
+
 	rtl8169_wait_for_quiescence(dev);
 
 	for (i = 0; i < NUM_RX_DESC; i++)
 		rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
 
 	rtl8169_tx_clear(tp);
+	rtl8169_init_ring_indexes(tp);
 
-	rtl8169_hw_reset(tp);
 	rtl_hw_start(dev);
 	netif_wake_queue(dev);
 	rtl8169_check_link_status(dev, tp, tp->mmio_addr);
@@ -5413,11 +5413,6 @@ out_unlock:
 
 static void rtl8169_tx_timeout(struct net_device *dev)
 {
-	struct rtl8169_private *tp = netdev_priv(dev);
-
-	rtl8169_hw_reset(tp);
-
-	/* Let's wait a bit while any (async) irq lands on */
 	rtl8169_schedule_work(dev, rtl8169_reset_task);
 }
 
-- 
GitLab


From 6b84bd167458545f0806d5a1a8a102004365d44e Mon Sep 17 00:00:00 2001
From: Wei Liu <wei.liu2@citrix.com>
Date: Mon, 5 Dec 2011 06:57:44 +0000
Subject: [PATCH 1212/1594] netback: Fix alert message.

The original message in netback_init was 'kthread_run() fails', which should be
'kthread_create() fails'.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/xen-netback/netback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 1ae270eed51a..15e332d08c8d 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1668,7 +1668,7 @@ static int __init netback_init(void)
 					     "netback/%u", group);
 
 		if (IS_ERR(netbk->task)) {
-			printk(KERN_ALERT "kthread_run() fails at netback\n");
+			printk(KERN_ALERT "kthread_create() fails at netback\n");
 			del_timer(&netbk->net_timer);
 			rc = PTR_ERR(netbk->task);
 			goto failed_init;
-- 
GitLab


From 65e9d805e96c7e6a15c1e3b0c00a842d2249bab8 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Mon, 5 Dec 2011 19:44:22 +0000
Subject: [PATCH 1213/1594] pasemi_mac: Fix building as module

Commit ded19addf9c937d83b9bfb4d73a836732569041b ('pasemic_mac*: Move
the PA Semi driver') inadvertently split pasemi_mac into two separate
modules with unresolved symbols.  Change it back into a single module.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/pasemi/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/pasemi/Makefile b/drivers/net/ethernet/pasemi/Makefile
index 05db5434bafc..90497ffb1ac3 100644
--- a/drivers/net/ethernet/pasemi/Makefile
+++ b/drivers/net/ethernet/pasemi/Makefile
@@ -2,4 +2,5 @@
 # Makefile for the A Semi network device drivers.
 #
 
-obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o pasemi_mac_ethtool.o
+obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
+pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
-- 
GitLab


From 03e98c9eb916f3f0868c1dc344dde2a60287ff72 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Fri, 4 Nov 2011 02:36:16 -0700
Subject: [PATCH 1214/1594] target: Address legacy PYX_TRANSPORT_* return code
 breakage

This patch removes legacy usage of PYX_TRANSPORT_* return codes in a number
of locations and addresses cases where transport_generic_request_failure()
was returning the incorrect sense upon CHECK_CONDITION status after the
v3.1 converson to use errno return codes.

This includes the conversion of transport_generic_request_failure() to
process cmd->scsi_sense_reason and handle extra TCM_RESERVATION_CONFLICT
before calling transport_send_check_condition_and_sense() to queue up
response status.  It also drops PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES legacy
usgae, and returns TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE w/ a response
for these cases.

transport_generic_allocate_tasks(), transport_generic_new_cmd(), backend
SCF_SCSI_DATA_SG_IO_CDB ->do_task(), and emulated ->execute_task() have
all been updated to set se_cmd->scsi_sense_reason and return errno codes
universally upon failure.  This includes cmd->scsi_sense_reason assignment
in target_core_alua.c, target_core_pr.c and target_core_cdb.c emulation code.

Finally it updates fabric modules to remove the legacy usage, and for
TFO->new_cmd_map() callers forwards return values outside of fabric code.
iscsi-target has also been updated to remove a handful of special cases
related to the cleanup and signaling QUEUE_FULL handling w/ ft_write_pending()

(v2: Drop extra SCF_SCSI_CDB_EXCEPTION check during failure from
     transport_generic_new_cmd, and re-add missing task->task_error_status
     assignment in transport_complete_task)

Cc: Christoph Hellwig <hch@lst.de>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/iscsi/iscsi_target.c      |   9 +-
 drivers/target/iscsi/iscsi_target_erl1.c |   3 +-
 drivers/target/loopback/tcm_loop.c       |  24 +--
 drivers/target/target_core_alua.c        |  25 ++-
 drivers/target/target_core_cdb.c         |  18 +-
 drivers/target/target_core_device.c      |   2 +-
 drivers/target/target_core_file.c        |   6 +-
 drivers/target/target_core_iblock.c      |  14 +-
 drivers/target/target_core_pr.c          | 240 +++++++++++++++--------
 drivers/target/target_core_pscsi.c       |  28 ++-
 drivers/target/target_core_rd.c          |   3 +-
 drivers/target/target_core_tmr.c         |   4 -
 drivers/target/target_core_transport.c   | 178 +++++------------
 drivers/target/tcm_fc/tfc_cmd.c          |   2 +-
 include/target/target_core_base.h        |   4 +-
 include/target/target_core_transport.h   |  24 ---
 16 files changed, 281 insertions(+), 303 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 0fd96c10271d..4d81e1007c92 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1017,11 +1017,6 @@ done:
 				" non-existent or non-exported iSCSI LUN:"
 				" 0x%016Lx\n", get_unaligned_le64(&hdr->lun));
 		}
-		if (ret == PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES)
-			return iscsit_add_reject_from_cmd(
-					ISCSI_REASON_BOOKMARK_NO_RESOURCES,
-					1, 1, buf, cmd);
-
 		send_check_condition = 1;
 		goto attach_cmd;
 	}
@@ -1123,7 +1118,7 @@ attach_cmd:
 	 * the backend memory allocation.
 	 */
 	ret = transport_generic_new_cmd(&cmd->se_cmd);
-	if ((ret < 0) || (cmd->se_cmd.se_cmd_flags & SCF_SE_CMD_FAILED)) {
+	if (ret < 0) {
 		immed_ret = IMMEDIATE_DATA_NORMAL_OPERATION;
 		dump_immediate_data = 1;
 		goto after_immediate_data;
@@ -1341,7 +1336,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
 
 		spin_lock_irqsave(&se_cmd->t_state_lock, flags);
 		if (!(se_cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE) ||
-		     (se_cmd->se_cmd_flags & SCF_SE_CMD_FAILED))
+		     (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION))
 			dump_unsolicited_data = 1;
 		spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
 
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index c4c68da3e500..101b1beb3bca 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -938,8 +938,7 @@ int iscsit_execute_cmd(struct iscsi_cmd *cmd, int ooo)
 		 * handle the SCF_SCSI_RESERVATION_CONFLICT case here as well.
 		 */
 		if (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION) {
-			if (se_cmd->se_cmd_flags &
-					SCF_SCSI_RESERVATION_CONFLICT) {
+			if (se_cmd->scsi_sense_reason == TCM_RESERVATION_CONFLICT) {
 				cmd->i_state = ISTATE_SEND_STATUS;
 				spin_unlock_bh(&cmd->istate_lock);
 				iscsit_add_cmd_to_response_queue(cmd, cmd->conn,
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 3df1c9b8ae6b..cbf5e4513741 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -148,22 +148,8 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
 	 * Allocate the necessary tasks to complete the received CDB+data
 	 */
 	ret = transport_generic_allocate_tasks(se_cmd, sc->cmnd);
-	if (ret == -ENOMEM) {
-		/* Out of Resources */
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
-	} else if (ret == -EINVAL) {
-		/*
-		 * Handle case for SAM_STAT_RESERVATION_CONFLICT
-		 */
-		if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
-			return PYX_TRANSPORT_RESERVATION_CONFLICT;
-		/*
-		 * Otherwise, return SAM_STAT_CHECK_CONDITION and return
-		 * sense data.
-		 */
-		return PYX_TRANSPORT_USE_SENSE_REASON;
-	}
-
+	if (ret != 0)
+		return ret;
 	/*
 	 * For BIDI commands, pass in the extra READ buffer
 	 * to transport_generic_map_mem_to_cmd() below..
@@ -194,12 +180,8 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
 	}
 
 	/* Tell the core about our preallocated memory */
-	ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
+	return transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
 			scsi_sg_count(sc), sgl_bidi, sgl_bidi_count);
-	if (ret < 0)
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
-
-	return 0;
 }
 
 /*
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 88f2ad43ec8b..cd61331c1482 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -191,9 +191,10 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 	int alua_access_state, primary = 0, rc;
 	u16 tg_pt_id, rtpi;
 
-	if (!l_port)
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
-
+	if (!l_port) {
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
+	}
 	buf = transport_kmap_first_data_page(cmd);
 
 	/*
@@ -203,7 +204,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 	l_tg_pt_gp_mem = l_port->sep_alua_tg_pt_gp_mem;
 	if (!l_tg_pt_gp_mem) {
 		pr_err("Unable to access l_port->sep_alua_tg_pt_gp_mem\n");
-		rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+		rc = -EINVAL;
 		goto out;
 	}
 	spin_lock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
@@ -211,7 +213,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 	if (!l_tg_pt_gp) {
 		spin_unlock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
 		pr_err("Unable to access *l_tg_pt_gp_mem->tg_pt_gp\n");
-		rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+		rc = -EINVAL;
 		goto out;
 	}
 	rc = (l_tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_EXPLICT_ALUA);
@@ -220,7 +223,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 	if (!rc) {
 		pr_debug("Unable to process SET_TARGET_PORT_GROUPS"
 				" while TPGS_EXPLICT_ALUA is disabled\n");
-		rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+		rc = -EINVAL;
 		goto out;
 	}
 
@@ -245,7 +249,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 			 * REQUEST, and the additional sense code set to INVALID
 			 * FIELD IN PARAMETER LIST.
 			 */
-			rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+			cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+			rc = -EINVAL;
 			goto out;
 		}
 		rc = -1;
@@ -298,7 +303,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 			 * throw an exception with ASCQ: INVALID_PARAMETER_LIST
 			 */
 			if (rc != 0) {
-				rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+				cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+				rc = -EINVAL;
 				goto out;
 			}
 		} else {
@@ -335,7 +341,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 			 * INVALID_PARAMETER_LIST
 			 */
 			if (rc != 0) {
-				rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+				cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+				rc = -EINVAL;
 				goto out;
 			}
 		}
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 683ba02b8247..8013a5a7bf64 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -703,6 +703,7 @@ int target_emulate_inquiry(struct se_task *task)
 	if (cmd->data_length < 4) {
 		pr_err("SCSI Inquiry payload length: %u"
 			" too small for EVPD=1\n", cmd->data_length);
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
 		return -EINVAL;
 	}
 
@@ -719,6 +720,7 @@ int target_emulate_inquiry(struct se_task *task)
 	}
 
 	pr_err("Unknown VPD Code: 0x%02x\n", cdb[2]);
+	cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
 	ret = -EINVAL;
 
 out_unmap:
@@ -969,7 +971,8 @@ int target_emulate_modesense(struct se_task *task)
 	default:
 		pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n",
 		       cdb[2] & 0x3f, cdb[3]);
-		return PYX_TRANSPORT_UNKNOWN_MODE_PAGE;
+		cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE;
+		return -EINVAL;
 	}
 	offset += length;
 
@@ -1027,7 +1030,8 @@ int target_emulate_request_sense(struct se_task *task)
 	if (cdb[1] & 0x01) {
 		pr_err("REQUEST_SENSE description emulation not"
 			" supported\n");
-		return PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		return -ENOSYS;
 	}
 
 	buf = transport_kmap_first_data_page(cmd);
@@ -1100,7 +1104,8 @@ int target_emulate_unmap(struct se_task *task)
 	if (!dev->transport->do_discard) {
 		pr_err("UNMAP emulation not supported for: %s\n",
 				dev->transport->name);
-		return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+		return -ENOSYS;
 	}
 
 	/* First UNMAP block descriptor starts at 8 byte offset */
@@ -1157,7 +1162,8 @@ int target_emulate_write_same(struct se_task *task)
 	if (!dev->transport->do_discard) {
 		pr_err("WRITE_SAME emulation not supported"
 				" for: %s\n", dev->transport->name);
-		return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+		return -ENOSYS;
 	}
 
 	if (cmd->t_task_cdb[0] == WRITE_SAME)
@@ -1193,11 +1199,13 @@ int target_emulate_write_same(struct se_task *task)
 int target_emulate_synchronize_cache(struct se_task *task)
 {
 	struct se_device *dev = task->task_se_cmd->se_dev;
+	struct se_cmd *cmd = task->task_se_cmd;
 
 	if (!dev->transport->do_sync_cache) {
 		pr_err("SYNCHRONIZE_CACHE emulation not supported"
 			" for: %s\n", dev->transport->name);
-		return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+		return -ENOSYS;
 	}
 
 	dev->transport->do_sync_cache(task);
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index ba5edec2c5f8..07953284ea6f 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -708,7 +708,7 @@ done:
 
 	se_task->task_scsi_status = GOOD;
 	transport_complete_task(se_task, 1);
-	return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+	return 0;
 }
 
 /*	se_release_device_for_hba():
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 67cd6fe05bfa..cdd47e8c7366 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -449,13 +449,15 @@ static int fd_do_task(struct se_task *task)
 
 	}
 
-	if (ret < 0)
+	if (ret < 0) {
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 		return ret;
+	}
 	if (ret) {
 		task->task_scsi_status = GOOD;
 		transport_complete_task(task, 1);
 	}
-	return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+	return 0;
 }
 
 /*	fd_free_task(): (Part of se_subsystem_api_t template)
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 7698efe29262..c670b8c2c994 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -554,12 +554,15 @@ static int iblock_do_task(struct se_task *task)
 	else {
 		pr_err("Unsupported SCSI -> BLOCK LBA conversion:"
 				" %u\n", dev->se_sub_dev->se_dev_attrib.block_size);
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -ENOSYS;
 	}
 
 	bio = iblock_get_bio(task, block_lba, sg_num);
-	if (!bio)
-		return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+	if (!bio) {
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -ENOMEM;
+	}
 
 	bio_list_init(&list);
 	bio_list_add(&list, bio);
@@ -588,12 +591,13 @@ static int iblock_do_task(struct se_task *task)
 		submit_bio(rw, bio);
 	blk_finish_plug(&plug);
 
-	return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+	return 0;
 
 fail:
 	while ((bio = bio_list_pop(&list)))
 		bio_put(bio);
-	return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+	cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+	return -ENOMEM;
 }
 
 static u32 iblock_get_device_rev(struct se_device *dev)
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 5a4ebfc3a54f..95dee7074aeb 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -191,7 +191,7 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret)
 		pr_err("Received legacy SPC-2 RESERVE/RELEASE"
 			" while active SPC-3 registrations exist,"
 			" returning RESERVATION_CONFLICT\n");
-		*ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
 		return true;
 	}
 
@@ -252,7 +252,8 @@ int target_scsi2_reservation_reserve(struct se_task *task)
 	    (cmd->t_task_cdb[1] & 0x02)) {
 		pr_err("LongIO and Obselete Bits set, returning"
 				" ILLEGAL_REQUEST\n");
-		ret = PYX_TRANSPORT_ILLEGAL_REQUEST;
+		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+		ret = -EINVAL;
 		goto out;
 	}
 	/*
@@ -277,7 +278,8 @@ int target_scsi2_reservation_reserve(struct se_task *task)
 			" from %s \n", cmd->se_lun->unpacked_lun,
 			cmd->se_deve->mapped_lun,
 			sess->se_node_acl->initiatorname);
-		ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		ret = -EINVAL;
 		goto out_unlock;
 	}
 
@@ -1510,7 +1512,8 @@ static int core_scsi3_decode_spec_i_port(
 	tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL);
 	if (!tidh_new) {
 		pr_err("Unable to allocate tidh_new\n");
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	INIT_LIST_HEAD(&tidh_new->dest_list);
 	tidh_new->dest_tpg = tpg;
@@ -1522,7 +1525,8 @@ static int core_scsi3_decode_spec_i_port(
 				sa_res_key, all_tg_pt, aptpl);
 	if (!local_pr_reg) {
 		kfree(tidh_new);
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -ENOMEM;
 	}
 	tidh_new->dest_pr_reg = local_pr_reg;
 	/*
@@ -1548,7 +1552,8 @@ static int core_scsi3_decode_spec_i_port(
 		pr_err("SPC-3 PR: Illegal tpdl: %u + 28 byte header"
 			" does not equal CDB data_length: %u\n", tpdl,
 			cmd->data_length);
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 	/*
@@ -1598,7 +1603,9 @@ static int core_scsi3_decode_spec_i_port(
 					" for tmp_tpg\n");
 				atomic_dec(&tmp_tpg->tpg_pr_ref_count);
 				smp_mb__after_atomic_dec();
-				ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+				cmd->scsi_sense_reason =
+					TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+				ret = -EINVAL;
 				goto out;
 			}
 			/*
@@ -1628,7 +1635,9 @@ static int core_scsi3_decode_spec_i_port(
 				atomic_dec(&dest_node_acl->acl_pr_ref_count);
 				smp_mb__after_atomic_dec();
 				core_scsi3_tpg_undepend_item(tmp_tpg);
-				ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+				cmd->scsi_sense_reason =
+					TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+				ret = -EINVAL;
 				goto out;
 			}
 
@@ -1646,7 +1655,8 @@ static int core_scsi3_decode_spec_i_port(
 		if (!dest_tpg) {
 			pr_err("SPC-3 PR SPEC_I_PT: Unable to locate"
 					" dest_tpg\n");
-			ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+			cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+			ret = -EINVAL;
 			goto out;
 		}
 #if 0
@@ -1660,7 +1670,8 @@ static int core_scsi3_decode_spec_i_port(
 				" %u for Transport ID: %s\n", tid_len, ptr);
 			core_scsi3_nodeacl_undepend_item(dest_node_acl);
 			core_scsi3_tpg_undepend_item(dest_tpg);
-			ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+			cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+			ret = -EINVAL;
 			goto out;
 		}
 		/*
@@ -1678,7 +1689,8 @@ static int core_scsi3_decode_spec_i_port(
 
 			core_scsi3_nodeacl_undepend_item(dest_node_acl);
 			core_scsi3_tpg_undepend_item(dest_tpg);
-			ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+			cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+			ret = -EINVAL;
 			goto out;
 		}
 
@@ -1690,7 +1702,9 @@ static int core_scsi3_decode_spec_i_port(
 			smp_mb__after_atomic_dec();
 			core_scsi3_nodeacl_undepend_item(dest_node_acl);
 			core_scsi3_tpg_undepend_item(dest_tpg);
-			ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+			cmd->scsi_sense_reason =
+				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+			ret = -EINVAL;
 			goto out;
 		}
 #if 0
@@ -1727,7 +1741,9 @@ static int core_scsi3_decode_spec_i_port(
 			core_scsi3_lunacl_undepend_item(dest_se_deve);
 			core_scsi3_nodeacl_undepend_item(dest_node_acl);
 			core_scsi3_tpg_undepend_item(dest_tpg);
-			ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+			cmd->scsi_sense_reason =
+				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+			ret = -ENOMEM;
 			goto out;
 		}
 		INIT_LIST_HEAD(&tidh_new->dest_list);
@@ -1759,7 +1775,8 @@ static int core_scsi3_decode_spec_i_port(
 			core_scsi3_nodeacl_undepend_item(dest_node_acl);
 			core_scsi3_tpg_undepend_item(dest_tpg);
 			kfree(tidh_new);
-			ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+			cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+			ret = -EINVAL;
 			goto out;
 		}
 		tidh_new->dest_pr_reg = dest_pr_reg;
@@ -2098,7 +2115,8 @@ static int core_scsi3_emulate_pro_register(
 
 	if (!se_sess || !se_lun) {
 		pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	se_tpg = se_sess->se_tpg;
 	se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
@@ -2117,13 +2135,14 @@ static int core_scsi3_emulate_pro_register(
 		if (res_key) {
 			pr_warn("SPC-3 PR: Reservation Key non-zero"
 				" for SA REGISTER, returning CONFLICT\n");
-			return PYX_TRANSPORT_RESERVATION_CONFLICT;
+			cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+			return -EINVAL;
 		}
 		/*
 		 * Do nothing but return GOOD status.
 		 */
 		if (!sa_res_key)
-			return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+			return 0;
 
 		if (!spec_i_pt) {
 			/*
@@ -2138,7 +2157,8 @@ static int core_scsi3_emulate_pro_register(
 			if (ret != 0) {
 				pr_err("Unable to allocate"
 					" struct t10_pr_registration\n");
-				return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+				cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+				return -EINVAL;
 			}
 		} else {
 			/*
@@ -2197,14 +2217,16 @@ static int core_scsi3_emulate_pro_register(
 					" 0x%016Lx\n", res_key,
 					pr_reg->pr_res_key);
 				core_scsi3_put_pr_reg(pr_reg);
-				return PYX_TRANSPORT_RESERVATION_CONFLICT;
+				cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+				return -EINVAL;
 			}
 		}
 		if (spec_i_pt) {
 			pr_err("SPC-3 PR UNREGISTER: SPEC_I_PT"
 				" set while sa_res_key=0\n");
 			core_scsi3_put_pr_reg(pr_reg);
-			return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+			cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+			return -EINVAL;
 		}
 		/*
 		 * An existing ALL_TG_PT=1 registration being released
@@ -2215,7 +2237,8 @@ static int core_scsi3_emulate_pro_register(
 				" registration exists, but ALL_TG_PT=1 bit not"
 				" present in received PROUT\n");
 			core_scsi3_put_pr_reg(pr_reg);
-			return PYX_TRANSPORT_INVALID_CDB_FIELD;
+			cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+			return -EINVAL;
 		}
 		/*
 		 * Allocate APTPL metadata buffer used for UNREGISTER ops
@@ -2227,7 +2250,9 @@ static int core_scsi3_emulate_pro_register(
 				pr_err("Unable to allocate"
 					" pr_aptpl_buf\n");
 				core_scsi3_put_pr_reg(pr_reg);
-				return PYX_TRANSPORT_LU_COMM_FAILURE;
+				cmd->scsi_sense_reason =
+					TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+				return -EINVAL;
 			}
 		}
 		/*
@@ -2241,7 +2266,8 @@ static int core_scsi3_emulate_pro_register(
 			if (pr_holder < 0) {
 				kfree(pr_aptpl_buf);
 				core_scsi3_put_pr_reg(pr_reg);
-				return PYX_TRANSPORT_RESERVATION_CONFLICT;
+				cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+				return -EINVAL;
 			}
 
 			spin_lock(&pr_tmpl->registration_lock);
@@ -2405,7 +2431,8 @@ static int core_scsi3_pro_reserve(
 
 	if (!se_sess || !se_lun) {
 		pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	se_tpg = se_sess->se_tpg;
 	se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
@@ -2417,7 +2444,8 @@ static int core_scsi3_pro_reserve(
 	if (!pr_reg) {
 		pr_err("SPC-3 PR: Unable to locate"
 			" PR_REGISTERED *pr_reg for RESERVE\n");
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	/*
 	 * From spc4r17 Section 5.7.9: Reserving:
@@ -2433,7 +2461,8 @@ static int core_scsi3_pro_reserve(
 			" does not match existing SA REGISTER res_key:"
 			" 0x%016Lx\n", res_key, pr_reg->pr_res_key);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		return -EINVAL;
 	}
 	/*
 	 * From spc4r17 Section 5.7.9: Reserving:
@@ -2448,7 +2477,8 @@ static int core_scsi3_pro_reserve(
 	if (scope != PR_SCOPE_LU_SCOPE) {
 		pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		return -EINVAL;
 	}
 	/*
 	 * See if we have an existing PR reservation holder pointer at
@@ -2480,7 +2510,8 @@ static int core_scsi3_pro_reserve(
 
 			spin_unlock(&dev->dev_reservation_lock);
 			core_scsi3_put_pr_reg(pr_reg);
-			return PYX_TRANSPORT_RESERVATION_CONFLICT;
+			cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+			return -EINVAL;
 		}
 		/*
 		 * From spc4r17 Section 5.7.9: Reserving:
@@ -2503,7 +2534,8 @@ static int core_scsi3_pro_reserve(
 
 			spin_unlock(&dev->dev_reservation_lock);
 			core_scsi3_put_pr_reg(pr_reg);
-			return PYX_TRANSPORT_RESERVATION_CONFLICT;
+			cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+			return -EINVAL;
 		}
 		/*
 		 * From spc4r17 Section 5.7.9: Reserving:
@@ -2517,7 +2549,7 @@ static int core_scsi3_pro_reserve(
 		 */
 		spin_unlock(&dev->dev_reservation_lock);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+		return 0;
 	}
 	/*
 	 * Otherwise, our *pr_reg becomes the PR reservation holder for said
@@ -2574,7 +2606,8 @@ static int core_scsi3_emulate_pro_reserve(
 	default:
 		pr_err("SPC-3 PR: Unknown Service Action RESERVE Type:"
 			" 0x%02x\n", type);
-		return PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		return -EINVAL;
 	}
 
 	return ret;
@@ -2630,7 +2663,8 @@ static int core_scsi3_emulate_pro_release(
 
 	if (!se_sess || !se_lun) {
 		pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	/*
 	 * Locate the existing *pr_reg via struct se_node_acl pointers
@@ -2639,7 +2673,8 @@ static int core_scsi3_emulate_pro_release(
 	if (!pr_reg) {
 		pr_err("SPC-3 PR: Unable to locate"
 			" PR_REGISTERED *pr_reg for RELEASE\n");
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	/*
 	 * From spc4r17 Section 5.7.11.2 Releasing:
@@ -2661,7 +2696,7 @@ static int core_scsi3_emulate_pro_release(
 		 */
 		spin_unlock(&dev->dev_reservation_lock);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+		return 0;
 	}
 	if ((pr_res_holder->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_ALLREG) ||
 	    (pr_res_holder->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG))
@@ -2675,7 +2710,7 @@ static int core_scsi3_emulate_pro_release(
 		 */
 		spin_unlock(&dev->dev_reservation_lock);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+		return 0;
 	}
 	/*
 	 * From spc4r17 Section 5.7.11.2 Releasing:
@@ -2697,7 +2732,8 @@ static int core_scsi3_emulate_pro_release(
 			" 0x%016Lx\n", res_key, pr_reg->pr_res_key);
 		spin_unlock(&dev->dev_reservation_lock);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		return -EINVAL;
 	}
 	/*
 	 * From spc4r17 Section 5.7.11.2 Releasing and above:
@@ -2719,7 +2755,8 @@ static int core_scsi3_emulate_pro_release(
 
 		spin_unlock(&dev->dev_reservation_lock);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		return -EINVAL;
 	}
 	/*
 	 * In response to a persistent reservation release request from the
@@ -2802,7 +2839,8 @@ static int core_scsi3_emulate_pro_clear(
 	if (!pr_reg_n) {
 		pr_err("SPC-3 PR: Unable to locate"
 			" PR_REGISTERED *pr_reg for CLEAR\n");
-			return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	/*
 	 * From spc4r17 section 5.7.11.6, Clearing:
@@ -2821,7 +2859,8 @@ static int core_scsi3_emulate_pro_clear(
 			" existing SA REGISTER res_key:"
 			" 0x%016Lx\n", res_key, pr_reg_n->pr_res_key);
 		core_scsi3_put_pr_reg(pr_reg_n);
-		return PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		return -EINVAL;
 	}
 	/*
 	 * a) Release the persistent reservation, if any;
@@ -2979,8 +3018,10 @@ static int core_scsi3_pro_preempt(
 	int all_reg = 0, calling_it_nexus = 0, released_regs = 0;
 	int prh_type = 0, prh_scope = 0, ret;
 
-	if (!se_sess)
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+	if (!se_sess) {
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
+	}
 
 	se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
 	pr_reg_n = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl,
@@ -2989,16 +3030,19 @@ static int core_scsi3_pro_preempt(
 		pr_err("SPC-3 PR: Unable to locate"
 			" PR_REGISTERED *pr_reg for PREEMPT%s\n",
 			(abort) ? "_AND_ABORT" : "");
-		return PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		return -EINVAL;
 	}
 	if (pr_reg_n->pr_res_key != res_key) {
 		core_scsi3_put_pr_reg(pr_reg_n);
-		return PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		return -EINVAL;
 	}
 	if (scope != PR_SCOPE_LU_SCOPE) {
 		pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope);
 		core_scsi3_put_pr_reg(pr_reg_n);
-		return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		return -EINVAL;
 	}
 	INIT_LIST_HEAD(&preempt_and_abort_list);
 
@@ -3012,7 +3056,8 @@ static int core_scsi3_pro_preempt(
 	if (!all_reg && !sa_res_key) {
 		spin_unlock(&dev->dev_reservation_lock);
 		core_scsi3_put_pr_reg(pr_reg_n);
-		return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		return -EINVAL;
 	}
 	/*
 	 * From spc4r17, section 5.7.11.4.4 Removing Registrations:
@@ -3106,7 +3151,8 @@ static int core_scsi3_pro_preempt(
 		if (!released_regs) {
 			spin_unlock(&dev->dev_reservation_lock);
 			core_scsi3_put_pr_reg(pr_reg_n);
-			return PYX_TRANSPORT_RESERVATION_CONFLICT;
+			cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+			return -EINVAL;
 		}
 		/*
 		 * For an existing all registrants type reservation
@@ -3297,7 +3343,8 @@ static int core_scsi3_emulate_pro_preempt(
 	default:
 		pr_err("SPC-3 PR: Unknown Service Action PREEMPT%s"
 			" Type: 0x%02x\n", (abort) ? "_AND_ABORT" : "", type);
-		return PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		return -EINVAL;
 	}
 
 	return ret;
@@ -3331,7 +3378,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 
 	if (!se_sess || !se_lun) {
 		pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	memset(dest_iport, 0, 64);
 	memset(i_buf, 0, PR_REG_ISID_ID_LEN);
@@ -3349,7 +3397,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 	if (!pr_reg) {
 		pr_err("SPC-3 PR: Unable to locate PR_REGISTERED"
 			" *pr_reg for REGISTER_AND_MOVE\n");
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
 	}
 	/*
 	 * The provided reservation key much match the existing reservation key
@@ -3360,7 +3409,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 			" res_key: 0x%016Lx does not match existing SA REGISTER"
 			" res_key: 0x%016Lx\n", res_key, pr_reg->pr_res_key);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		return -EINVAL;
 	}
 	/*
 	 * The service active reservation key needs to be non zero
@@ -3369,7 +3419,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 		pr_warn("SPC-3 PR REGISTER_AND_MOVE: Received zero"
 			" sa_res_key\n");
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		return -EINVAL;
 	}
 
 	/*
@@ -3392,7 +3443,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 			" does not equal CDB data_length: %u\n", tid_len,
 			cmd->data_length);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		return -EINVAL;
 	}
 
 	spin_lock(&dev->se_port_lock);
@@ -3417,7 +3469,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 			atomic_dec(&dest_se_tpg->tpg_pr_ref_count);
 			smp_mb__after_atomic_dec();
 			core_scsi3_put_pr_reg(pr_reg);
-			return PYX_TRANSPORT_LU_COMM_FAILURE;
+			cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+			return -EINVAL;
 		}
 
 		spin_lock(&dev->se_port_lock);
@@ -3430,7 +3483,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 			" fabric ops from Relative Target Port Identifier:"
 			" %hu\n", rtpi);
 		core_scsi3_put_pr_reg(pr_reg);
-		return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		return -EINVAL;
 	}
 
 	buf = transport_kmap_first_data_page(cmd);
@@ -3445,14 +3499,16 @@ static int core_scsi3_emulate_pro_register_and_move(
 			" from fabric: %s\n", proto_ident,
 			dest_tf_ops->get_fabric_proto_ident(dest_se_tpg),
 			dest_tf_ops->get_fabric_name());
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 	if (dest_tf_ops->tpg_parse_pr_out_transport_id == NULL) {
 		pr_err("SPC-3 PR REGISTER_AND_MOVE: Fabric does not"
 			" containg a valid tpg_parse_pr_out_transport_id"
 			" function pointer\n");
-		ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		ret = -EINVAL;
 		goto out;
 	}
 	initiator_str = dest_tf_ops->tpg_parse_pr_out_transport_id(dest_se_tpg,
@@ -3460,7 +3516,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 	if (!initiator_str) {
 		pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate"
 			" initiator_str from Transport ID\n");
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 
@@ -3489,7 +3546,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 		pr_err("SPC-3 PR REGISTER_AND_MOVE: TransportID: %s"
 			" matches: %s on received I_T Nexus\n", initiator_str,
 			pr_reg_nacl->initiatorname);
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 	if (!strcmp(iport_ptr, pr_reg->pr_reg_isid)) {
@@ -3497,7 +3555,8 @@ static int core_scsi3_emulate_pro_register_and_move(
 			" matches: %s %s on received I_T Nexus\n",
 			initiator_str, iport_ptr, pr_reg_nacl->initiatorname,
 			pr_reg->pr_reg_isid);
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 after_iport_check:
@@ -3517,7 +3576,8 @@ after_iport_check:
 		pr_err("Unable to locate %s dest_node_acl for"
 			" TransportID%s\n", dest_tf_ops->get_fabric_name(),
 			initiator_str);
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 	ret = core_scsi3_nodeacl_depend_item(dest_node_acl);
@@ -3527,7 +3587,8 @@ after_iport_check:
 		atomic_dec(&dest_node_acl->acl_pr_ref_count);
 		smp_mb__after_atomic_dec();
 		dest_node_acl = NULL;
-		ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 #if 0
@@ -3543,7 +3604,8 @@ after_iport_check:
 	if (!dest_se_deve) {
 		pr_err("Unable to locate %s dest_se_deve from RTPI:"
 			" %hu\n",  dest_tf_ops->get_fabric_name(), rtpi);
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 
@@ -3553,7 +3615,8 @@ after_iport_check:
 		atomic_dec(&dest_se_deve->pr_ref_count);
 		smp_mb__after_atomic_dec();
 		dest_se_deve = NULL;
-		ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		ret = -EINVAL;
 		goto out;
 	}
 #if 0
@@ -3572,7 +3635,8 @@ after_iport_check:
 		pr_warn("SPC-3 PR REGISTER_AND_MOVE: No reservation"
 			" currently held\n");
 		spin_unlock(&dev->dev_reservation_lock);
-		ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		ret = -EINVAL;
 		goto out;
 	}
 	/*
@@ -3585,7 +3649,8 @@ after_iport_check:
 		pr_warn("SPC-3 PR REGISTER_AND_MOVE: Calling I_T"
 			" Nexus is not reservation holder\n");
 		spin_unlock(&dev->dev_reservation_lock);
-		ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		ret = -EINVAL;
 		goto out;
 	}
 	/*
@@ -3603,7 +3668,8 @@ after_iport_check:
 			" reservation for type: %s\n",
 			core_scsi3_pr_dump_type(pr_res_holder->pr_res_type));
 		spin_unlock(&dev->dev_reservation_lock);
-		ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		ret = -EINVAL;
 		goto out;
 	}
 	pr_res_nacl = pr_res_holder->pr_reg_nacl;
@@ -3640,7 +3706,8 @@ after_iport_check:
 				sa_res_key, 0, aptpl, 2, 1);
 		if (ret != 0) {
 			spin_unlock(&dev->dev_reservation_lock);
-			ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+			cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+			ret = -EINVAL;
 			goto out;
 		}
 		dest_pr_reg = __core_scsi3_locate_pr_reg(dev, dest_node_acl,
@@ -3771,7 +3838,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
 		pr_err("Received PERSISTENT_RESERVE CDB while legacy"
 			" SPC-2 reservation is held, returning"
 			" RESERVATION_CONFLICT\n");
-		ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		ret = EINVAL;
 		goto out;
 	}
 
@@ -3779,13 +3847,16 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
 	 * FIXME: A NULL struct se_session pointer means an this is not coming from
 	 * a $FABRIC_MOD's nexus, but from internal passthrough ops.
 	 */
-	if (!cmd->se_sess)
-		return PYX_TRANSPORT_LU_COMM_FAILURE;
+	if (!cmd->se_sess) {
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return -EINVAL;
+	}
 
 	if (cmd->data_length < 24) {
 		pr_warn("SPC-PR: Received PR OUT parameter list"
 			" length too small: %u\n", cmd->data_length);
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 	/*
@@ -3820,7 +3891,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
 	 * SPEC_I_PT=1 is only valid for Service action: REGISTER
 	 */
 	if (spec_i_pt && ((cdb[1] & 0x1f) != PRO_REGISTER)) {
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 
@@ -3837,7 +3909,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
 	    (cmd->data_length != 24)) {
 		pr_warn("SPC-PR: Received PR OUT illegal parameter"
 			" list length: %u\n", cmd->data_length);
-		ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
 		goto out;
 	}
 	/*
@@ -3878,7 +3951,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
 	default:
 		pr_err("Unknown PERSISTENT_RESERVE_OUT service"
 			" action: 0x%02x\n", cdb[1] & 0x1f);
-		ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		ret = -EINVAL;
 		break;
 	}
 
@@ -3906,7 +3980,8 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd)
 	if (cmd->data_length < 8) {
 		pr_err("PRIN SA READ_KEYS SCSI Data Length: %u"
 			" too small\n", cmd->data_length);
-		return PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		return -EINVAL;
 	}
 
 	buf = transport_kmap_first_data_page(cmd);
@@ -3965,7 +4040,8 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd)
 	if (cmd->data_length < 8) {
 		pr_err("PRIN SA READ_RESERVATIONS SCSI Data Length: %u"
 			" too small\n", cmd->data_length);
-		return PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		return -EINVAL;
 	}
 
 	buf = transport_kmap_first_data_page(cmd);
@@ -4047,7 +4123,8 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd)
 	if (cmd->data_length < 6) {
 		pr_err("PRIN SA REPORT_CAPABILITIES SCSI Data Length:"
 			" %u too small\n", cmd->data_length);
-		return PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		return -EINVAL;
 	}
 
 	buf = transport_kmap_first_data_page(cmd);
@@ -4108,7 +4185,8 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
 	if (cmd->data_length < 8) {
 		pr_err("PRIN SA READ_FULL_STATUS SCSI Data Length: %u"
 			" too small\n", cmd->data_length);
-		return PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		return -EINVAL;
 	}
 
 	buf = transport_kmap_first_data_page(cmd);
@@ -4255,7 +4333,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task)
 		pr_err("Received PERSISTENT_RESERVE CDB while legacy"
 			" SPC-2 reservation is held, returning"
 			" RESERVATION_CONFLICT\n");
-		return PYX_TRANSPORT_RESERVATION_CONFLICT;
+		cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+		return -EINVAL;
 	}
 
 	switch (cmd->t_task_cdb[1] & 0x1f) {
@@ -4274,7 +4353,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task)
 	default:
 		pr_err("Unknown PERSISTENT_RESERVE_IN service"
 			" action: 0x%02x\n", cmd->t_task_cdb[1] & 0x1f);
-		ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		ret = -EINVAL;
 		break;
 	}
 
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index ed32e1efe429..8b15e56b0384 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -963,6 +963,7 @@ static inline struct bio *pscsi_get_bio(int sg_num)
 static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg,
 		struct bio **hbio)
 {
+	struct se_cmd *cmd = task->task_se_cmd;
 	struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr;
 	u32 task_sg_num = task->task_sg_nents;
 	struct bio *bio = NULL, *tbio = NULL;
@@ -971,7 +972,7 @@ static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg,
 	u32 data_len = task->task_size, i, len, bytes, off;
 	int nr_pages = (task->task_size + task_sg[0].offset +
 			PAGE_SIZE - 1) >> PAGE_SHIFT;
-	int nr_vecs = 0, rc, ret = PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+	int nr_vecs = 0, rc;
 	int rw = (task->task_data_direction == DMA_TO_DEVICE);
 
 	*hbio = NULL;
@@ -1058,11 +1059,13 @@ fail:
 		bio->bi_next = NULL;
 		bio_endio(bio, 0);	/* XXX: should be error */
 	}
-	return ret;
+	cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+	return -ENOMEM;
 }
 
 static int pscsi_do_task(struct se_task *task)
 {
+	struct se_cmd *cmd = task->task_se_cmd;
 	struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr;
 	struct pscsi_plugin_task *pt = PSCSI_TASK(task);
 	struct request *req;
@@ -1078,7 +1081,9 @@ static int pscsi_do_task(struct se_task *task)
 		if (!req || IS_ERR(req)) {
 			pr_err("PSCSI: blk_get_request() failed: %ld\n",
 					req ? IS_ERR(req) : -ENOMEM);
-			return PYX_TRANSPORT_LU_COMM_FAILURE;
+			cmd->scsi_sense_reason =
+				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+			return -ENODEV;
 		}
 	} else {
 		BUG_ON(!task->task_size);
@@ -1087,8 +1092,11 @@ static int pscsi_do_task(struct se_task *task)
 		 * Setup the main struct request for the task->task_sg[] payload
 		 */
 		ret = pscsi_map_sg(task, task->task_sg, &hbio);
-		if (ret < 0)
-			return PYX_TRANSPORT_LU_COMM_FAILURE;
+		if (ret < 0) {
+			cmd->scsi_sense_reason =
+				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+			return ret;
+		}
 
 		req = blk_make_request(pdv->pdv_sd->request_queue, hbio,
 				       GFP_KERNEL);
@@ -1115,7 +1123,7 @@ static int pscsi_do_task(struct se_task *task)
 			(task->task_se_cmd->sam_task_attr == MSG_HEAD_TAG),
 			pscsi_req_done);
 
-	return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+	return 0;
 
 fail:
 	while (hbio) {
@@ -1124,7 +1132,8 @@ fail:
 		bio->bi_next = NULL;
 		bio_endio(bio, 0);	/* XXX: should be error */
 	}
-	return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+	cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+	return -ENOMEM;
 }
 
 /*	pscsi_get_sense_buffer():
@@ -1198,9 +1207,8 @@ static inline void pscsi_process_SAM_status(
 			" 0x%02x Result: 0x%08x\n", task, pt->pscsi_cdb[0],
 			pt->pscsi_result);
 		task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
-		task->task_error_status = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
-		task->task_se_cmd->transport_error_status =
-					PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+		task->task_se_cmd->scsi_sense_reason =
+					TCM_UNSUPPORTED_SCSI_OPCODE;
 		transport_complete_task(task, 0);
 		break;
 	}
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 5158d3846f19..6d8a6881cfff 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -603,8 +603,7 @@ static int rd_MEMCPY_do_task(struct se_task *task)
 
 	task->task_scsi_status = GOOD;
 	transport_complete_task(task, 1);
-
-	return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+	return 0;
 }
 
 /*	rd_free_task(): (Part of se_subsystem_api_t template)
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index 217e29df6297..684522805a1f 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -345,10 +345,6 @@ static void core_tmr_drain_cmd_list(
 			" %d t_fe_count: %d\n", (preempt_and_abort_list) ?
 			"Preempt" : "", cmd, cmd->t_state,
 			atomic_read(&cmd->t_fe_count));
-		/*
-		 * Signal that the command has failed via cmd->se_cmd_flags,
-		 */
-		transport_new_cmd_failure(cmd);
 
 		core_tmr_handle_tas_abort(tmr_nacl, cmd, tas,
 				atomic_read(&cmd->t_fe_count));
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 3400ae6e93f8..a997fde9ffcb 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -82,7 +82,7 @@ static int transport_generic_get_mem(struct se_cmd *cmd);
 static void transport_put_cmd(struct se_cmd *cmd);
 static void transport_remove_cmd_from_queue(struct se_cmd *cmd);
 static int transport_set_sense_codes(struct se_cmd *cmd, u8 asc, u8 ascq);
-static void transport_generic_request_failure(struct se_cmd *, int, int);
+static void transport_generic_request_failure(struct se_cmd *);
 static void target_complete_ok_work(struct work_struct *work);
 
 int init_se_kmem_caches(void)
@@ -680,9 +680,9 @@ void transport_complete_sync_cache(struct se_cmd *cmd, int good)
 		task->task_scsi_status = GOOD;
 	} else {
 		task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
-		task->task_error_status = PYX_TRANSPORT_ILLEGAL_REQUEST;
-		task->task_se_cmd->transport_error_status =
-					PYX_TRANSPORT_ILLEGAL_REQUEST;
+		task->task_se_cmd->scsi_sense_reason =
+				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+
 	}
 
 	transport_complete_task(task, good);
@@ -693,7 +693,7 @@ static void target_complete_failure_work(struct work_struct *work)
 {
 	struct se_cmd *cmd = container_of(work, struct se_cmd, work);
 
-	transport_generic_request_failure(cmd, 1, 1);
+	transport_generic_request_failure(cmd);
 }
 
 /*	transport_complete_task():
@@ -755,10 +755,11 @@ void transport_complete_task(struct se_task *task, int success)
 	if (cmd->t_tasks_failed) {
 		if (!task->task_error_status) {
 			task->task_error_status =
-				PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
-			cmd->transport_error_status =
-				PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+			cmd->scsi_sense_reason =
+				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 		}
+
 		INIT_WORK(&cmd->work, target_complete_failure_work);
 	} else {
 		atomic_set(&cmd->t_transport_complete, 1);
@@ -1573,6 +1574,8 @@ int transport_generic_allocate_tasks(
 		pr_err("Received SCSI CDB with command_size: %d that"
 			" exceeds SCSI_MAX_VARLEN_CDB_SIZE: %d\n",
 			scsi_command_size(cdb), SCSI_MAX_VARLEN_CDB_SIZE);
+		cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
 		return -EINVAL;
 	}
 	/*
@@ -1588,6 +1591,9 @@ int transport_generic_allocate_tasks(
 				" %u > sizeof(cmd->__t_task_cdb): %lu ops\n",
 				scsi_command_size(cdb),
 				(unsigned long)sizeof(cmd->__t_task_cdb));
+			cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+			cmd->scsi_sense_reason =
+					TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 			return -ENOMEM;
 		}
 	} else
@@ -1658,11 +1664,9 @@ int transport_handle_cdb_direct(
 	 * and call transport_generic_request_failure() if necessary..
 	 */
 	ret = transport_generic_new_cmd(cmd);
-	if (ret < 0) {
-		cmd->transport_error_status = ret;
-		transport_generic_request_failure(cmd, 0,
-				(cmd->data_direction != DMA_TO_DEVICE));
-	}
+	if (ret < 0)
+		transport_generic_request_failure(cmd);
+
 	return 0;
 }
 EXPORT_SYMBOL(transport_handle_cdb_direct);
@@ -1798,20 +1802,16 @@ static int transport_stop_tasks_for_cmd(struct se_cmd *cmd)
 /*
  * Handle SAM-esque emulation for generic transport request failures.
  */
-static void transport_generic_request_failure(
-	struct se_cmd *cmd,
-	int complete,
-	int sc)
+static void transport_generic_request_failure(struct se_cmd *cmd)
 {
 	int ret = 0;
 
 	pr_debug("-----[ Storage Engine Exception for cmd: %p ITT: 0x%08x"
 		" CDB: 0x%02x\n", cmd, cmd->se_tfo->get_task_tag(cmd),
 		cmd->t_task_cdb[0]);
-	pr_debug("-----[ i_state: %d t_state: %d transport_error_status: %d\n",
+	pr_debug("-----[ i_state: %d t_state: %d scsi_sense_reason: %d\n",
 		cmd->se_tfo->get_cmd_state(cmd),
-		cmd->t_state,
-		cmd->transport_error_status);
+		cmd->t_state, cmd->scsi_sense_reason);
 	pr_debug("-----[ t_tasks: %d t_task_cdbs_left: %d"
 		" t_task_cdbs_sent: %d t_task_cdbs_ex_left: %d --"
 		" t_transport_active: %d t_transport_stop: %d"
@@ -1829,46 +1829,19 @@ static void transport_generic_request_failure(
 	if (cmd->se_dev->dev_task_attr_type == SAM_TASK_ATTR_EMULATED)
 		transport_complete_task_attr(cmd);
 
-	if (complete) {
-		cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE;
-	}
-
-	switch (cmd->transport_error_status) {
-	case PYX_TRANSPORT_UNKNOWN_SAM_OPCODE:
-		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
-		break;
-	case PYX_TRANSPORT_REQ_TOO_MANY_SECTORS:
-		cmd->scsi_sense_reason = TCM_SECTOR_COUNT_TOO_MANY;
-		break;
-	case PYX_TRANSPORT_INVALID_CDB_FIELD:
-		cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
-		break;
-	case PYX_TRANSPORT_INVALID_PARAMETER_LIST:
-		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
-		break;
-	case PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES:
-		if (!sc)
-			transport_new_cmd_failure(cmd);
-		/*
-		 * Currently for PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES,
-		 * we force this session to fall back to session
-		 * recovery.
-		 */
-		cmd->se_tfo->fall_back_to_erl0(cmd->se_sess);
-		cmd->se_tfo->stop_session(cmd->se_sess, 0, 0);
-
-		goto check_stop;
-	case PYX_TRANSPORT_LU_COMM_FAILURE:
-	case PYX_TRANSPORT_ILLEGAL_REQUEST:
-		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-		break;
-	case PYX_TRANSPORT_UNKNOWN_MODE_PAGE:
-		cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE;
-		break;
-	case PYX_TRANSPORT_WRITE_PROTECTED:
-		cmd->scsi_sense_reason = TCM_WRITE_PROTECTED;
+	switch (cmd->scsi_sense_reason) {
+	case TCM_NON_EXISTENT_LUN:
+	case TCM_UNSUPPORTED_SCSI_OPCODE:
+	case TCM_INVALID_CDB_FIELD:
+	case TCM_INVALID_PARAMETER_LIST:
+	case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
+	case TCM_UNKNOWN_MODE_PAGE:
+	case TCM_WRITE_PROTECTED:
+	case TCM_CHECK_CONDITION_ABORT_CMD:
+	case TCM_CHECK_CONDITION_UNIT_ATTENTION:
+	case TCM_CHECK_CONDITION_NOT_READY:
 		break;
-	case PYX_TRANSPORT_RESERVATION_CONFLICT:
+	case TCM_RESERVATION_CONFLICT:
 		/*
 		 * No SENSE Data payload for this case, set SCSI Status
 		 * and queue the response to $FABRIC_MOD.
@@ -1893,15 +1866,9 @@ static void transport_generic_request_failure(
 		if (ret == -EAGAIN || ret == -ENOMEM)
 			goto queue_full;
 		goto check_stop;
-	case PYX_TRANSPORT_USE_SENSE_REASON:
-		/*
-		 * struct se_cmd->scsi_sense_reason already set
-		 */
-		break;
 	default:
 		pr_err("Unknown transport error for CDB 0x%02x: %d\n",
-			cmd->t_task_cdb[0],
-			cmd->transport_error_status);
+			cmd->t_task_cdb[0], cmd->scsi_sense_reason);
 		cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
 		break;
 	}
@@ -1912,14 +1879,10 @@ static void transport_generic_request_failure(
 	 * transport_send_check_condition_and_sense() after handling
 	 * possible unsoliticied write data payloads.
 	 */
-	if (!sc && !cmd->se_tfo->new_cmd_map)
-		transport_new_cmd_failure(cmd);
-	else {
-		ret = transport_send_check_condition_and_sense(cmd,
-				cmd->scsi_sense_reason, 0);
-		if (ret == -EAGAIN || ret == -ENOMEM)
-			goto queue_full;
-	}
+	ret = transport_send_check_condition_and_sense(cmd,
+			cmd->scsi_sense_reason, 0);
+	if (ret == -EAGAIN || ret == -ENOMEM)
+		goto queue_full;
 
 check_stop:
 	transport_lun_remove_cmd(cmd);
@@ -2077,8 +2040,8 @@ static int transport_execute_tasks(struct se_cmd *cmd)
 	int add_tasks;
 
 	if (se_dev_check_online(cmd->se_orig_obj_ptr) != 0) {
-		cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE;
-		transport_generic_request_failure(cmd, 0, 1);
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		transport_generic_request_failure(cmd);
 		return 0;
 	}
 
@@ -2163,14 +2126,13 @@ check_depth:
 	else
 		error = dev->transport->do_task(task);
 	if (error != 0) {
-		cmd->transport_error_status = error;
 		spin_lock_irqsave(&cmd->t_state_lock, flags);
 		task->task_flags &= ~TF_ACTIVE;
 		spin_unlock_irqrestore(&cmd->t_state_lock, flags);
 		atomic_set(&cmd->t_transport_sent, 0);
 		transport_stop_tasks_for_cmd(cmd);
 		atomic_inc(&dev->depth_left);
-		transport_generic_request_failure(cmd, 0, 1);
+		transport_generic_request_failure(cmd);
 	}
 
 	goto check_depth;
@@ -2178,19 +2140,6 @@ check_depth:
 	return 0;
 }
 
-void transport_new_cmd_failure(struct se_cmd *se_cmd)
-{
-	unsigned long flags;
-	/*
-	 * Any unsolicited data will get dumped for failed command inside of
-	 * the fabric plugin
-	 */
-	spin_lock_irqsave(&se_cmd->t_state_lock, flags);
-	se_cmd->se_cmd_flags |= SCF_SE_CMD_FAILED;
-	se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
-	spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
-}
-
 static inline u32 transport_get_sectors_6(
 	unsigned char *cdb,
 	struct se_cmd *cmd,
@@ -2460,27 +2409,6 @@ static int transport_get_sense_data(struct se_cmd *cmd)
 	return -1;
 }
 
-static int
-transport_handle_reservation_conflict(struct se_cmd *cmd)
-{
-	cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
-	cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
-	cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT;
-	/*
-	 * For UA Interlock Code 11b, a RESERVATION CONFLICT will
-	 * establish a UNIT ATTENTION with PREVIOUS RESERVATION
-	 * CONFLICT STATUS.
-	 *
-	 * See spc4r17, section 7.4.6 Control Mode Page, Table 349
-	 */
-	if (cmd->se_sess &&
-	    cmd->se_dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 2)
-		core_scsi3_ua_allocate(cmd->se_sess->se_node_acl,
-			cmd->orig_fe_lun, 0x2C,
-			ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS);
-	return -EINVAL;
-}
-
 static inline long long transport_dev_end_lba(struct se_device *dev)
 {
 	return dev->transport->get_blocks(dev) + 1;
@@ -2595,8 +2523,12 @@ static int transport_generic_cmd_sequencer(
 	 */
 	if (su_dev->t10_pr.pr_ops.t10_reservation_check(cmd, &pr_reg_type) != 0) {
 		if (su_dev->t10_pr.pr_ops.t10_seq_non_holder(
-					cmd, cdb, pr_reg_type) != 0)
-			return transport_handle_reservation_conflict(cmd);
+					cmd, cdb, pr_reg_type) != 0) {
+			cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+			cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
+			cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+			return -EBUSY;
+		}
 		/*
 		 * This means the CDB is allowed for the SCSI Initiator port
 		 * when said port is *NOT* holding the legacy SPC-2 or
@@ -3813,7 +3745,7 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
 	    cmd->data_length) {
 		ret = transport_generic_get_mem(cmd);
 		if (ret < 0)
-			return ret;
+			goto out_fail;
 	}
 
 	/*
@@ -3929,7 +3861,7 @@ static int transport_generic_write_pending(struct se_cmd *cmd)
 	else if (ret < 0)
 		return ret;
 
-	return PYX_TRANSPORT_WRITE_PENDING;
+	return 1;
 
 queue_full:
 	pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd);
@@ -4602,9 +4534,6 @@ void transport_send_task_abort(struct se_cmd *cmd)
 		if (cmd->se_tfo->write_pending_status(cmd) != 0) {
 			atomic_inc(&cmd->t_transport_aborted);
 			smp_mb__after_atomic_inc();
-			cmd->scsi_status = SAM_STAT_TASK_ABORTED;
-			transport_new_cmd_failure(cmd);
-			return;
 		}
 	}
 	cmd->scsi_status = SAM_STAT_TASK_ABORTED;
@@ -4698,18 +4627,13 @@ get_cmd:
 			}
 			ret = cmd->se_tfo->new_cmd_map(cmd);
 			if (ret < 0) {
-				cmd->transport_error_status = ret;
-				transport_generic_request_failure(cmd,
-						0, (cmd->data_direction !=
-						    DMA_TO_DEVICE));
+				transport_generic_request_failure(cmd);
 				break;
 			}
 			ret = transport_generic_new_cmd(cmd);
 			if (ret < 0) {
-				cmd->transport_error_status = ret;
-				transport_generic_request_failure(cmd,
-					0, (cmd->data_direction !=
-					 DMA_TO_DEVICE));
+				transport_generic_request_failure(cmd);
+				break;
 			}
 			break;
 		case TRANSPORT_PROCESS_WRITE:
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 4fac37c4c615..71fc9cea5dc9 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -200,7 +200,7 @@ int ft_write_pending(struct se_cmd *se_cmd)
 	lport = ep->lp;
 	fp = fc_frame_alloc(lport, sizeof(*txrdy));
 	if (!fp)
-		return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+		return -ENOMEM; /* Signal QUEUE_FULL */
 
 	txrdy = fc_frame_payload_get(fp, sizeof(*txrdy));
 	memset(txrdy, 0, sizeof(*txrdy));
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 7f5fed3c89e1..4d0cb6b8c478 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -103,7 +103,6 @@ enum se_cmd_flags_table {
 	SCF_SCSI_NON_DATA_CDB		= 0x00000040,
 	SCF_SCSI_CDB_EXCEPTION		= 0x00000080,
 	SCF_SCSI_RESERVATION_CONFLICT	= 0x00000100,
-	SCF_SE_CMD_FAILED		= 0x00000400,
 	SCF_SE_LUN_CMD			= 0x00000800,
 	SCF_SE_ALLOW_EOO		= 0x00001000,
 	SCF_SENT_CHECK_CONDITION	= 0x00004000,
@@ -154,6 +153,7 @@ enum tcm_sense_reason_table {
 	TCM_CHECK_CONDITION_ABORT_CMD		= 0x0d,
 	TCM_CHECK_CONDITION_UNIT_ATTENTION	= 0x0e,
 	TCM_CHECK_CONDITION_NOT_READY		= 0x0f,
+	TCM_RESERVATION_CONFLICT		= 0x10,
 };
 
 struct se_obj {
@@ -422,8 +422,6 @@ struct se_cmd {
 	int			sam_task_attr;
 	/* Transport protocol dependent state, see transport_state_table */
 	enum transport_state_table t_state;
-	/* Transport specific error status */
-	int			transport_error_status;
 	/* Used to signal cmd->se_tfo->check_release_cmd() usage per cmd */
 	int			check_release:1;
 	int			cmd_wait_set:1;
diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h
index c16e9431dd01..dac4f2d859fd 100644
--- a/include/target/target_core_transport.h
+++ b/include/target/target_core_transport.h
@@ -10,29 +10,6 @@
 
 #define PYX_TRANSPORT_STATUS_INTERVAL		5 /* In seconds */
 
-#define PYX_TRANSPORT_SENT_TO_TRANSPORT		0
-#define PYX_TRANSPORT_WRITE_PENDING		1
-
-#define PYX_TRANSPORT_UNKNOWN_SAM_OPCODE	-1
-#define PYX_TRANSPORT_HBA_QUEUE_FULL		-2
-#define PYX_TRANSPORT_REQ_TOO_MANY_SECTORS	-3
-#define PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES	-4
-#define PYX_TRANSPORT_INVALID_CDB_FIELD		-5
-#define PYX_TRANSPORT_INVALID_PARAMETER_LIST	-6
-#define PYX_TRANSPORT_LU_COMM_FAILURE		-7
-#define PYX_TRANSPORT_UNKNOWN_MODE_PAGE		-8
-#define PYX_TRANSPORT_WRITE_PROTECTED		-9
-#define PYX_TRANSPORT_RESERVATION_CONFLICT	-10
-#define PYX_TRANSPORT_ILLEGAL_REQUEST		-11
-#define PYX_TRANSPORT_USE_SENSE_REASON		-12
-
-#ifndef SAM_STAT_RESERVATION_CONFLICT
-#define SAM_STAT_RESERVATION_CONFLICT		0x18
-#endif
-
-#define TRANSPORT_PLUGIN_FREE			0
-#define TRANSPORT_PLUGIN_REGISTERED		1
-
 #define TRANSPORT_PLUGIN_PHBA_PDEV		1
 #define TRANSPORT_PLUGIN_VHBA_PDEV		2
 #define TRANSPORT_PLUGIN_VHBA_VDEV		3
@@ -158,7 +135,6 @@ extern int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *);
 extern int transport_handle_cdb_direct(struct se_cmd *);
 extern int transport_generic_handle_cdb_map(struct se_cmd *);
 extern int transport_generic_handle_data(struct se_cmd *);
-extern void transport_new_cmd_failure(struct se_cmd *);
 extern int transport_generic_handle_tmr(struct se_cmd *);
 extern bool target_stop_task(struct se_task *task, unsigned long *flags);
 extern int transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *, u32,
-- 
GitLab


From 0957627a99604f379d35831897a2aa15272528fc Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Fri, 4 Nov 2011 11:36:38 -0700
Subject: [PATCH 1215/1594] iscsi-target: Fix sess allocation leak in
 iscsi_login_zero_tsih_s1

This patch adds missing kfree() for an allocation in iscsi_login_zero_tsih_s1()
code, and make transport_init_session() check for IS_ERR() returns.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/iscsi/iscsi_target_login.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index daad362a93ce..d734bdec24f9 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -224,7 +224,7 @@ static int iscsi_login_zero_tsih_s1(
 		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
 				ISCSI_LOGIN_STATUS_NO_RESOURCES);
 		pr_err("Could not allocate memory for session\n");
-		return -1;
+		return -ENOMEM;
 	}
 
 	iscsi_login_set_conn_values(sess, conn, pdu->cid);
@@ -250,7 +250,8 @@ static int iscsi_login_zero_tsih_s1(
 		pr_err("idr_pre_get() for sess_idr failed\n");
 		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
 				ISCSI_LOGIN_STATUS_NO_RESOURCES);
-		return -1;
+		kfree(sess);
+		return -ENOMEM;
 	}
 	spin_lock(&sess_idr_lock);
 	idr_get_new(&sess_idr, NULL, &sess->session_index);
@@ -270,14 +271,16 @@ static int iscsi_login_zero_tsih_s1(
 				ISCSI_LOGIN_STATUS_NO_RESOURCES);
 		pr_err("Unable to allocate memory for"
 				" struct iscsi_sess_ops.\n");
-		return -1;
+		kfree(sess);
+		return -ENOMEM;
 	}
 
 	sess->se_sess = transport_init_session();
-	if (!sess->se_sess) {
+	if (IS_ERR(sess->se_sess)) {
 		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
 				ISCSI_LOGIN_STATUS_NO_RESOURCES);
-		return -1;
+		kfree(sess);
+		return -ENOMEM;
 	}
 
 	return 0;
-- 
GitLab


From 330694a50f5b80e983136237c10516810fb427a9 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Sun, 6 Nov 2011 18:37:23 +0100
Subject: [PATCH 1216/1594] target: Improve system responsivity during I/O

While testing ib_srpt I noticed that the target system became
rather unresponsive during intensive I/O. The patch below made
my target system responsive again during I/O without decreasing
performance.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_transport.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index a997fde9ffcb..06cce8178fcf 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -4599,8 +4599,6 @@ static int transport_processing_thread(void *param)
 	struct se_cmd *cmd;
 	struct se_device *dev = (struct se_device *) param;
 
-	set_user_nice(current, -20);
-
 	while (!kthread_should_stop()) {
 		ret = wait_event_interruptible(dev->dev_queue_obj.thread_wq,
 				atomic_read(&dev->dev_queue_obj.queue_cnt) ||
-- 
GitLab


From 5f655e8d2a7cdc41943f929e86054051d7441ec5 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 8 Nov 2011 20:46:29 +0100
Subject: [PATCH 1217/1594] target: Avoid compiler warnings about signed
 one-bit bitfields

Convert to unsigned bit fields for active I/O shutdown fields.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 include/target/target_core_base.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 4d0cb6b8c478..36a06f79c973 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -423,8 +423,8 @@ struct se_cmd {
 	/* Transport protocol dependent state, see transport_state_table */
 	enum transport_state_table t_state;
 	/* Used to signal cmd->se_tfo->check_release_cmd() usage per cmd */
-	int			check_release:1;
-	int			cmd_wait_set:1;
+	unsigned		check_release:1;
+	unsigned		cmd_wait_set:1;
 	/* See se_cmd_flags_table */
 	u32			se_cmd_flags;
 	u32			se_ordered_id;
@@ -560,7 +560,7 @@ struct se_node_acl {
 } ____cacheline_aligned;
 
 struct se_session {
-	int			sess_tearing_down:1;
+	unsigned		sess_tearing_down:1;
 	u64			sess_bin_isid;
 	struct se_node_acl	*se_node_acl;
 	struct se_portal_group *se_tpg;
-- 
GitLab


From 97c34f3b04978799fd6eada69e1a8d84b74d9599 Mon Sep 17 00:00:00 2001
From: Roland Dreier <roland@purestorage.com>
Date: Thu, 10 Nov 2011 11:22:47 -0800
Subject: [PATCH 1218/1594] target: Get rid of unused se_cmd_cache

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_transport.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 06cce8178fcf..b4073d283408 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -61,7 +61,6 @@
 static int sub_api_initialized;
 
 static struct workqueue_struct *target_completion_wq;
-static struct kmem_cache *se_cmd_cache;
 static struct kmem_cache *se_sess_cache;
 struct kmem_cache *se_tmr_req_cache;
 struct kmem_cache *se_ua_cache;
@@ -87,19 +86,13 @@ static void target_complete_ok_work(struct work_struct *work);
 
 int init_se_kmem_caches(void)
 {
-	se_cmd_cache = kmem_cache_create("se_cmd_cache",
-			sizeof(struct se_cmd), __alignof__(struct se_cmd), 0, NULL);
-	if (!se_cmd_cache) {
-		pr_err("kmem_cache_create for struct se_cmd failed\n");
-		goto out;
-	}
 	se_tmr_req_cache = kmem_cache_create("se_tmr_cache",
 			sizeof(struct se_tmr_req), __alignof__(struct se_tmr_req),
 			0, NULL);
 	if (!se_tmr_req_cache) {
 		pr_err("kmem_cache_create() for struct se_tmr_req"
 				" failed\n");
-		goto out_free_cmd_cache;
+		goto out;
 	}
 	se_sess_cache = kmem_cache_create("se_sess_cache",
 			sizeof(struct se_session), __alignof__(struct se_session),
@@ -182,8 +175,6 @@ out_free_sess_cache:
 	kmem_cache_destroy(se_sess_cache);
 out_free_tmr_req_cache:
 	kmem_cache_destroy(se_tmr_req_cache);
-out_free_cmd_cache:
-	kmem_cache_destroy(se_cmd_cache);
 out:
 	return -ENOMEM;
 }
@@ -191,7 +182,6 @@ out:
 void release_se_kmem_caches(void)
 {
 	destroy_workqueue(target_completion_wq);
-	kmem_cache_destroy(se_cmd_cache);
 	kmem_cache_destroy(se_tmr_req_cache);
 	kmem_cache_destroy(se_sess_cache);
 	kmem_cache_destroy(se_ua_cache);
-- 
GitLab


From 6297b07cbc42eb6b53eb88fce70a4727ea230797 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Sat, 12 Nov 2011 09:29:51 -0800
Subject: [PATCH 1219/1594] target: Drop config_item_name usage in fabric
 TFO->free_wwn()

This patch removes config_item_name() informational usage of
TFO->free_wwn() treewide in loopback, tcm_fc, ib_srpt and
tcm_vhost module code.

Using v4 target_core_fabric_configfs.c logic, a fabric call for
config_item_name() in TFO->drop_wwn() context returns NULL as
target_fabric_drop_wwn() invoking config_item_put() ->
config_group_put() will release fabric_port->port_wwn.wwn_group
before the last config_item_put() -> TFO->drop_wwn() is
invoked.

Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/loopback/tcm_loop.c | 9 ++++-----
 drivers/target/tcm_fc/tfc_conf.c   | 3 +--
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index cbf5e4513741..0ca89f02e26f 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -1342,17 +1342,16 @@ void tcm_loop_drop_scsi_hba(
 {
 	struct tcm_loop_hba *tl_hba = container_of(wwn,
 				struct tcm_loop_hba, tl_hba_wwn);
-	int host_no = tl_hba->sh->host_no;
+
+	pr_debug("TCM_Loop_ConfigFS: Deallocating emulated Target"
+		" SAS Address: %s at Linux/SCSI Host ID: %d\n",
+		tl_hba->tl_wwn_address, tl_hba->sh->host_no);
 	/*
 	 * Call device_unregister() on the original tl_hba->dev.
 	 * tcm_loop_fabric_scsi.c:tcm_loop_release_adapter() will
 	 * release *tl_hba;
 	 */
 	device_unregister(&tl_hba->dev);
-
-	pr_debug("TCM_Loop_ConfigFS: Deallocated emulated Target"
-		" SAS Address: %s at Linux/SCSI Host ID: %d\n",
-		config_item_name(&wwn->wwn_group.cg_item), host_no);
 }
 
 /* Start items for tcm_loop_cit */
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 5f770412ca40..9402b7387cac 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -436,8 +436,7 @@ static void ft_del_lport(struct se_wwn *wwn)
 	struct ft_lport_acl *lacl = container_of(wwn,
 				struct ft_lport_acl, fc_lport_wwn);
 
-	pr_debug("del lport %s\n",
-			config_item_name(&wwn->wwn_group.cg_item));
+	pr_debug("del lport %s\n", lacl->name);
 	mutex_lock(&ft_lport_lock);
 	list_del(&lacl->list);
 	mutex_unlock(&ft_lport_lock);
-- 
GitLab


From 58a2801a4b9ad97d3685bb7a3344e17d60292908 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 14 Nov 2011 11:36:27 -0500
Subject: [PATCH 1220/1594] target: remove the se_obj_ptr and se_orig_obj_ptr
 se_cmd fields

We already have a perfectly valid se_device pointer in the command, so
remove the mostly useless duplicates.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_device.c    | 3 ---
 drivers/target/target_core_transport.c | 2 +-
 include/target/target_core_base.h      | 2 --
 3 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 07953284ea6f..dd5adb82e3df 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -104,7 +104,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
 		se_cmd->se_lun = deve->se_lun;
 		se_cmd->pr_res_key = deve->pr_res_key;
 		se_cmd->orig_fe_lun = unpacked_lun;
-		se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
 		se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
 	}
 	spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
@@ -137,7 +136,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
 		se_lun = &se_sess->se_tpg->tpg_virt_lun0;
 		se_cmd->se_lun = &se_sess->se_tpg->tpg_virt_lun0;
 		se_cmd->orig_fe_lun = 0;
-		se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
 		se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
 	}
 	/*
@@ -200,7 +198,6 @@ int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
 		se_lun = deve->se_lun;
 		se_cmd->pr_res_key = deve->pr_res_key;
 		se_cmd->orig_fe_lun = unpacked_lun;
-		se_cmd->se_orig_obj_ptr = se_cmd->se_dev;
 	}
 	spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
 
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index b4073d283408..db2271c18030 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2029,7 +2029,7 @@ static int transport_execute_tasks(struct se_cmd *cmd)
 {
 	int add_tasks;
 
-	if (se_dev_check_online(cmd->se_orig_obj_ptr) != 0) {
+	if (se_dev_check_online(cmd->se_dev) != 0) {
 		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 		transport_generic_request_failure(cmd);
 		return 0;
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 36a06f79c973..f63997316dab 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -444,8 +444,6 @@ struct se_cmd {
 	struct list_head	se_qf_node;
 	struct se_device      *se_dev;
 	struct se_dev_entry   *se_deve;
-	struct se_device	*se_obj_ptr;
-	struct se_device	*se_orig_obj_ptr;
 	struct se_lun		*se_lun;
 	/* Only used for internal passthrough and legacy TCM fabric modules */
 	struct se_session	*se_sess;
-- 
GitLab


From aad13ca20d960ab74b739d7bbe876dac4502f546 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 14 Nov 2011 11:36:28 -0500
Subject: [PATCH 1221/1594] target: remove the se_ordered_node se_cmd field

We never walk ordered_cmd_list in the se_device, so remove all code related
to supporting it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_transport.c | 11 -----------
 include/target/target_core_base.h      |  3 ---
 2 files changed, 14 deletions(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index db2271c18030..a66050ec2c2f 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1332,12 +1332,10 @@ struct se_device *transport_add_device_to_core_hba(
 	INIT_LIST_HEAD(&dev->dev_tmr_list);
 	INIT_LIST_HEAD(&dev->execute_task_list);
 	INIT_LIST_HEAD(&dev->delayed_cmd_list);
-	INIT_LIST_HEAD(&dev->ordered_cmd_list);
 	INIT_LIST_HEAD(&dev->state_task_list);
 	INIT_LIST_HEAD(&dev->qf_cmd_list);
 	spin_lock_init(&dev->execute_task_lock);
 	spin_lock_init(&dev->delayed_cmd_lock);
-	spin_lock_init(&dev->ordered_cmd_lock);
 	spin_lock_init(&dev->state_task_lock);
 	spin_lock_init(&dev->dev_alua_lock);
 	spin_lock_init(&dev->dev_reservation_lock);
@@ -1498,7 +1496,6 @@ void transport_init_se_cmd(
 {
 	INIT_LIST_HEAD(&cmd->se_lun_node);
 	INIT_LIST_HEAD(&cmd->se_delayed_node);
-	INIT_LIST_HEAD(&cmd->se_ordered_node);
 	INIT_LIST_HEAD(&cmd->se_qf_node);
 	INIT_LIST_HEAD(&cmd->se_queue_node);
 	INIT_LIST_HEAD(&cmd->se_cmd_list);
@@ -1963,11 +1960,6 @@ static inline int transport_execute_task_attr(struct se_cmd *cmd)
 			cmd->se_ordered_id);
 		return 1;
 	} else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
-		spin_lock(&cmd->se_dev->ordered_cmd_lock);
-		list_add_tail(&cmd->se_ordered_node,
-				&cmd->se_dev->ordered_cmd_list);
-		spin_unlock(&cmd->se_dev->ordered_cmd_lock);
-
 		atomic_inc(&cmd->se_dev->dev_ordered_sync);
 		smp_mb__after_atomic_inc();
 
@@ -3100,11 +3092,8 @@ static void transport_complete_task_attr(struct se_cmd *cmd)
 			" HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id,
 			cmd->se_ordered_id);
 	} else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
-		spin_lock(&dev->ordered_cmd_lock);
-		list_del(&cmd->se_ordered_node);
 		atomic_dec(&dev->dev_ordered_sync);
 		smp_mb__after_atomic_dec();
-		spin_unlock(&dev->ordered_cmd_lock);
 
 		dev->dev_cur_ordered_id++;
 		pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:"
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index f63997316dab..29773342f2c6 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -439,7 +439,6 @@ struct se_cmd {
 	/* Used for sense data */
 	void			*sense_buffer;
 	struct list_head	se_delayed_node;
-	struct list_head	se_ordered_node;
 	struct list_head	se_lun_node;
 	struct list_head	se_qf_node;
 	struct se_device      *se_dev;
@@ -730,7 +729,6 @@ struct se_device {
 	struct se_obj		dev_export_obj;
 	struct se_queue_obj	dev_queue_obj;
 	spinlock_t		delayed_cmd_lock;
-	spinlock_t		ordered_cmd_lock;
 	spinlock_t		execute_task_lock;
 	spinlock_t		state_task_lock;
 	spinlock_t		dev_alua_lock;
@@ -756,7 +754,6 @@ struct se_device {
 	struct task_struct		*dev_mgmt_thread;
 	struct work_struct	qf_work_queue;
 	struct list_head	delayed_cmd_list;
-	struct list_head	ordered_cmd_list;
 	struct list_head	execute_task_list;
 	struct list_head	state_task_list;
 	struct list_head	qf_cmd_list;
-- 
GitLab


From 2d3a4b51df4db2ee0415f42a63b9629a7977b975 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 14 Nov 2011 11:36:29 -0500
Subject: [PATCH 1222/1594] target: remove the t_tasks_fua se_cmd field

And use a SCF_FUA flag instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_file.c      |  2 +-
 drivers/target/target_core_iblock.c    |  2 +-
 drivers/target/target_core_transport.c | 15 ++++++++++-----
 include/target/target_core_base.h      |  2 +-
 4 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index cdd47e8c7366..38211322415e 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -438,7 +438,7 @@ static int fd_do_task(struct se_task *task)
 		if (ret > 0 &&
 		    dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 &&
 		    dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
-		    cmd->t_tasks_fua) {
+		    (cmd->se_cmd_flags & SCF_FUA)) {
 			/*
 			 * We might need to be a bit smarter here
 			 * and return some sense data to let the initiator
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index c670b8c2c994..4aa992204438 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -531,7 +531,7 @@ static int iblock_do_task(struct se_task *task)
 		 */
 		if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache == 0 ||
 		    (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
-		     task->task_se_cmd->t_tasks_fua))
+		     (cmd->se_cmd_flags & SCF_FUA)))
 			rw = WRITE_FUA;
 		else
 			rw = WRITE;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index a66050ec2c2f..866af5d5869f 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2572,7 +2572,8 @@ static int transport_generic_cmd_sequencer(
 			goto out_unsupported_cdb;
 		size = transport_get_size(sectors, cdb, cmd);
 		cmd->t_task_lba = transport_lba_32(cdb);
-		cmd->t_tasks_fua = (cdb[1] & 0x8);
+		if (cdb[1] & 0x8)
+			cmd->se_cmd_flags |= SCF_FUA;
 		cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
 		break;
 	case WRITE_12:
@@ -2581,7 +2582,8 @@ static int transport_generic_cmd_sequencer(
 			goto out_unsupported_cdb;
 		size = transport_get_size(sectors, cdb, cmd);
 		cmd->t_task_lba = transport_lba_32(cdb);
-		cmd->t_tasks_fua = (cdb[1] & 0x8);
+		if (cdb[1] & 0x8)
+			cmd->se_cmd_flags |= SCF_FUA;
 		cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
 		break;
 	case WRITE_16:
@@ -2590,7 +2592,8 @@ static int transport_generic_cmd_sequencer(
 			goto out_unsupported_cdb;
 		size = transport_get_size(sectors, cdb, cmd);
 		cmd->t_task_lba = transport_lba_64(cdb);
-		cmd->t_tasks_fua = (cdb[1] & 0x8);
+		if (cdb[1] & 0x8)
+			cmd->se_cmd_flags |= SCF_FUA;
 		cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
 		break;
 	case XDWRITEREAD_10:
@@ -2614,7 +2617,8 @@ static int transport_generic_cmd_sequencer(
 		 * Setup BIDI XOR callback to be run after I/O completion.
 		 */
 		cmd->transport_complete_callback = &transport_xor_callback;
-		cmd->t_tasks_fua = (cdb[1] & 0x8);
+		if (cdb[1] & 0x8)
+			cmd->se_cmd_flags |= SCF_FUA;
 		break;
 	case VARIABLE_LENGTH_CMD:
 		service_action = get_unaligned_be16(&cdb[8]);
@@ -2642,7 +2646,8 @@ static int transport_generic_cmd_sequencer(
 			 * completion.
 			 */
 			cmd->transport_complete_callback = &transport_xor_callback;
-			cmd->t_tasks_fua = (cdb[10] & 0x8);
+			if (cdb[1] & 0x8)
+				cmd->se_cmd_flags |= SCF_FUA;
 			break;
 		case WRITE_SAME_32:
 			sectors = transport_get_sectors_32(cdb, cmd, &sector_ret);
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 29773342f2c6..357af4546d25 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -103,6 +103,7 @@ enum se_cmd_flags_table {
 	SCF_SCSI_NON_DATA_CDB		= 0x00000040,
 	SCF_SCSI_CDB_EXCEPTION		= 0x00000080,
 	SCF_SCSI_RESERVATION_CONFLICT	= 0x00000100,
+	SCF_FUA				= 0x00000200,
 	SCF_SE_LUN_CMD			= 0x00000800,
 	SCF_SE_ALLOW_EOO		= 0x00001000,
 	SCF_SENT_CHECK_CONDITION	= 0x00004000,
@@ -458,7 +459,6 @@ struct se_cmd {
 	unsigned char		__t_task_cdb[TCM_MAX_COMMAND_SIZE];
 	unsigned long long	t_task_lba;
 	int			t_tasks_failed;
-	int			t_tasks_fua;
 	bool			t_tasks_bidi;
 	u32			t_tasks_sg_chained_no;
 	atomic_t		t_fe_count;
-- 
GitLab


From 33c3fafc43e56a22be60ebe67bec5ba763d51010 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 14 Nov 2011 11:36:30 -0500
Subject: [PATCH 1223/1594] target: remove the t_tasks_bidi se_cmd field

And use a SCF_BIDI flag instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/loopback/tcm_loop.c     | 8 +++-----
 drivers/target/target_core_transport.c | 2 +-
 include/target/target_core_base.h      | 2 +-
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 0ca89f02e26f..81d5832fbbd5 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -113,11 +113,9 @@ static struct se_cmd *tcm_loop_allocate_core_cmd(
 			scsi_bufflen(sc), sc->sc_data_direction, sam_task_attr,
 			&tl_cmd->tl_sense_buf[0]);
 
-	/*
-	 * Signal BIDI usage with T_TASK(cmd)->t_tasks_bidi
-	 */
 	if (scsi_bidi_cmnd(sc))
-		se_cmd->t_tasks_bidi = 1;
+		se_cmd->se_cmd_flags |= SCF_BIDI;
+
 	/*
 	 * Locate the struct se_lun pointer and attach it to struct se_cmd
 	 */
@@ -154,7 +152,7 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
 	 * For BIDI commands, pass in the extra READ buffer
 	 * to transport_generic_map_mem_to_cmd() below..
 	 */
-	if (se_cmd->t_tasks_bidi) {
+	if (se_cmd->se_cmd_flags & SCF_BIDI) {
 		struct scsi_data_buffer *sdb = scsi_in(sc);
 
 		sgl_bidi = sdb->table.sgl;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 866af5d5869f..8f29f472c50b 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2598,7 +2598,7 @@ static int transport_generic_cmd_sequencer(
 		break;
 	case XDWRITEREAD_10:
 		if ((cmd->data_direction != DMA_TO_DEVICE) ||
-		    !(cmd->t_tasks_bidi))
+		    !(cmd->se_cmd_flags & SCF_BIDI))
 			goto out_invalid_cdb_field;
 		sectors = transport_get_sectors_10(cdb, cmd, &sector_ret);
 		if (sector_ret)
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 357af4546d25..3f9e4da5bd9f 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -106,6 +106,7 @@ enum se_cmd_flags_table {
 	SCF_FUA				= 0x00000200,
 	SCF_SE_LUN_CMD			= 0x00000800,
 	SCF_SE_ALLOW_EOO		= 0x00001000,
+	SCF_BIDI			= 0x00002000,
 	SCF_SENT_CHECK_CONDITION	= 0x00004000,
 	SCF_OVERFLOW_BIT		= 0x00008000,
 	SCF_UNDERFLOW_BIT		= 0x00010000,
@@ -459,7 +460,6 @@ struct se_cmd {
 	unsigned char		__t_task_cdb[TCM_MAX_COMMAND_SIZE];
 	unsigned long long	t_task_lba;
 	int			t_tasks_failed;
-	bool			t_tasks_bidi;
 	u32			t_tasks_sg_chained_no;
 	atomic_t		t_fe_count;
 	atomic_t		t_se_count;
-- 
GitLab


From 6fd126ffebef3897d8fca98644a9fd1cc5c7a5e3 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 14 Nov 2011 11:36:31 -0500
Subject: [PATCH 1224/1594] target: remove the unused t_task_pt_sgl and
 t_task_pt_sgl_num se_cmd fields

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 include/target/target_core_base.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 3f9e4da5bd9f..3a21e2234d2b 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -484,14 +484,6 @@ struct se_cmd {
 
 	struct work_struct	work;
 
-	/*
-	 * Used for pre-registered fabric SGL passthrough WRITE and READ
-	 * with the special SCF_PASSTHROUGH_CONTIG_TO_SG case for TCM_Loop
-	 * and other HW target mode fabric modules.
-	 */
-	struct scatterlist	*t_task_pt_sgl;
-	u32			t_task_pt_sgl_num;
-
 	struct scatterlist	*t_data_sg;
 	unsigned int		t_data_nents;
 	struct scatterlist	*t_bidi_data_sg;
-- 
GitLab


From fef58a6096770ed6ab49103a430cc755254a74d9 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Tue, 15 Nov 2011 22:13:24 -0800
Subject: [PATCH 1225/1594] target: Reject SCSI data overflow for fabrics using
 transport_generic_map_mem_to_cmd

This patch changes transport_generic_map_mem_to_cmd() to reject SCSI data
overflow and to send exception status with CHECK_CONDITION + TCM_INVALID_CDB_FIELD
for fabrics that are passing a pre-populated struct scatterlist (eg: tcm_loop
and iscsi-target) being mapped into se_cmd->t_data_sg and se_cmd->t_data_nents.

This addresses an OOPs where transport_allocate_data_tasks() would walk
the incorrect post OVERFLOW cmd->data_length value beyond the end of
the passed scatterlist.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_transport.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 8f29f472c50b..0bdb6badbf99 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3411,6 +3411,18 @@ int transport_generic_map_mem_to_cmd(
 
 	if ((cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB) ||
 	    (cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB)) {
+		/*
+		 * Reject SCSI data overflow with map_mem_to_cmd() as incoming
+		 * scatterlists already have been set to follow what the fabric
+		 * passes for the original expected data transfer length.
+		 */
+		if (cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
+			pr_warn("Rejecting SCSI DATA overflow for fabric using"
+				" SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC\n");
+			cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+			cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+			return -EINVAL;
+		}
 
 		cmd->t_data_sg = sgl;
 		cmd->t_data_nents = sgl_count;
-- 
GitLab


From 7e46cf02687e40197ae07c623e660be2a2720064 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Tue, 15 Nov 2011 23:59:00 -0800
Subject: [PATCH 1226/1594] iscsi-target: Fix residual count hanlding + remove
 iscsi_cmd->residual_count

This patch fixes iscsi-target handling of underflow where residual data is
causing an OOPs by using the incorrect iscsi_cmd_t->data_length initially
assigned in iscsit_allocate_se_cmd().  It resets iscsi_cmd_t->data_length
from se_cmd_t->data_length after transport_generic_allocate_tasks()
has been invoked in iscsit_handle_scsi_cmd() RX context, and converts
iscsi_cmd->residual_count usage to access iscsi_cmd->se_cmd.residual_count
to get the proper residual count set by target-core.

Reported-by: <lists@internyc.net>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/iscsi/iscsi_target.c      | 10 ++++++----
 drivers/target/iscsi/iscsi_target_core.h |  1 -
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 4d81e1007c92..26834eff8960 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1039,6 +1039,8 @@ done:
 		 */
 		send_check_condition = 1;
 	} else {
+		cmd->data_length = cmd->se_cmd.data_length;
+
 		if (iscsit_decide_list_to_build(cmd, payload_length) < 0)
 			return iscsit_add_reject_from_cmd(
 				ISCSI_REASON_BOOKMARK_NO_RESOURCES,
@@ -2508,10 +2510,10 @@ static int iscsit_send_data_in(
 	if (hdr->flags & ISCSI_FLAG_DATA_STATUS) {
 		if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
 			hdr->flags |= ISCSI_FLAG_DATA_OVERFLOW;
-			hdr->residual_count = cpu_to_be32(cmd->residual_count);
+			hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
 		} else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
 			hdr->flags |= ISCSI_FLAG_DATA_UNDERFLOW;
-			hdr->residual_count = cpu_to_be32(cmd->residual_count);
+			hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
 		}
 	}
 	hton24(hdr->dlength, datain.length);
@@ -3013,10 +3015,10 @@ static int iscsit_send_status(
 	hdr->flags		|= ISCSI_FLAG_CMD_FINAL;
 	if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
 		hdr->flags |= ISCSI_FLAG_CMD_OVERFLOW;
-		hdr->residual_count = cpu_to_be32(cmd->residual_count);
+		hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
 	} else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
 		hdr->flags |= ISCSI_FLAG_CMD_UNDERFLOW;
-		hdr->residual_count = cpu_to_be32(cmd->residual_count);
+		hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
 	}
 	hdr->response		= cmd->iscsi_response;
 	hdr->cmd_status		= cmd->se_cmd.scsi_status;
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 3723d90d5ae5..0e96a6b13174 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -398,7 +398,6 @@ struct iscsi_cmd {
 	u32			pdu_send_order;
 	/* Current struct iscsi_pdu in struct iscsi_cmd->pdu_list */
 	u32			pdu_start;
-	u32			residual_count;
 	/* Next struct iscsi_seq to send in struct iscsi_cmd->seq_list */
 	u32			seq_send_order;
 	/* Number of struct iscsi_seq in struct iscsi_cmd->seq_list */
-- 
GitLab


From 7ae0b1038f9f7d4c91e9afd4dbbc98210bf1a241 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Sun, 27 Nov 2011 22:25:14 -0800
Subject: [PATCH 1227/1594] iscsi-target: Add missing F_BIT for iscsi_tm_rsp

This patch sets the missing ISCSI_FLAG_CMD_FINAL bit in
iscsit_send_task_mgt_rsp() for a struct iscsi_tm_rsp PDU.

This usage is hardcoded for all TM response PDUs in RFC-3720
section 10.6.

Reported-by: whucecil <whucecil1999@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/iscsi/iscsi_target.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 26834eff8960..02de527940de 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3130,6 +3130,7 @@ static int iscsit_send_task_mgt_rsp(
 	hdr			= (struct iscsi_tm_rsp *) cmd->pdu;
 	memset(hdr, 0, ISCSI_HDR_LEN);
 	hdr->opcode		= ISCSI_OP_SCSI_TMFUNC_RSP;
+	hdr->flags		= ISCSI_FLAG_CMD_FINAL;
 	hdr->response		= iscsit_convert_tcm_tmr_rsp(se_tmr);
 	hdr->itt		= cpu_to_be32(cmd->init_task_tag);
 	cmd->stat_sn		= conn->stat_sn++;
-- 
GitLab


From 1c3d5794fc4a2afd2258b3aa6406377934a36663 Mon Sep 17 00:00:00 2001
From: Thomas Meyer <thomas@m3y3r.de>
Date: Thu, 17 Nov 2011 23:43:40 +0100
Subject: [PATCH 1228/1594] iscsi-target: Use kmemdup rather than duplicating
 its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/iscsi/iscsi_target.c      | 6 ++----
 drivers/target/iscsi/iscsi_target_nego.c | 3 +--
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 02de527940de..8599545cdf9e 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -614,13 +614,12 @@ int iscsit_add_reject(
 	hdr	= (struct iscsi_reject *) cmd->pdu;
 	hdr->reason = reason;
 
-	cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+	cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
 	if (!cmd->buf_ptr) {
 		pr_err("Unable to allocate memory for cmd->buf_ptr\n");
 		iscsit_release_cmd(cmd);
 		return -1;
 	}
-	memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
 
 	spin_lock_bh(&conn->cmd_lock);
 	list_add_tail(&cmd->i_list, &conn->conn_cmd_list);
@@ -661,13 +660,12 @@ int iscsit_add_reject_from_cmd(
 	hdr	= (struct iscsi_reject *) cmd->pdu;
 	hdr->reason = reason;
 
-	cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+	cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
 	if (!cmd->buf_ptr) {
 		pr_err("Unable to allocate memory for cmd->buf_ptr\n");
 		iscsit_release_cmd(cmd);
 		return -1;
 	}
-	memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
 
 	if (add_to_conn) {
 		spin_lock_bh(&conn->cmd_lock);
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 426cd4bf6a9a..98936cb7c294 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -981,14 +981,13 @@ struct iscsi_login *iscsi_target_init_negotiation(
 		return NULL;
 	}
 
-	login->req = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+	login->req = kmemdup(login_pdu, ISCSI_HDR_LEN, GFP_KERNEL);
 	if (!login->req) {
 		pr_err("Unable to allocate memory for Login Request.\n");
 		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
 				ISCSI_LOGIN_STATUS_NO_RESOURCES);
 		goto out;
 	}
-	memcpy(login->req, login_pdu, ISCSI_HDR_LEN);
 
 	login->req_buf = kzalloc(MAX_KEY_VALUE_PAIRS, GFP_KERNEL);
 	if (!login->req_buf) {
-- 
GitLab


From 410f670202f0f13cdac8459b9c3effeeead135d1 Mon Sep 17 00:00:00 2001
From: Roland Dreier <roland@purestorage.com>
Date: Tue, 22 Nov 2011 13:51:32 -0800
Subject: [PATCH 1229/1594] target: Don't return an error status for 0-length
 READ and WRITE

IO commands with a TRANSFER LENGTH of 0 are not an error; for example,
for READ (10) and WRITE (10), SBC-3 says:

    A TRANSFER LENGTH field set to zero specifies that no logical blocks
    shall be read. This condition shall not be considered an error.

In case we have nothing to do, just complete the command with good status.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_transport.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 0bdb6badbf99..1b760a0b1109 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3770,8 +3770,15 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
 		task_cdbs = transport_allocate_control_task(cmd);
 	}
 
-	if (task_cdbs <= 0)
+	if (task_cdbs < 0)
 		goto out_fail;
+	else if (!task_cdbs && (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)) {
+		cmd->t_state = TRANSPORT_COMPLETE;
+		atomic_set(&cmd->t_transport_active, 1);
+		INIT_WORK(&cmd->work, target_complete_ok_work);
+		queue_work(target_completion_wq, &cmd->work);
+		return 0;
+	}
 
 	if (set_counts) {
 		atomic_inc(&cmd->t_fe_count);
-- 
GitLab


From 9b5cd7f37e1e018432111333e2a67f78ba41edfe Mon Sep 17 00:00:00 2001
From: Roland Dreier <roland@purestorage.com>
Date: Tue, 22 Nov 2011 13:51:33 -0800
Subject: [PATCH 1230/1594] target: Handle 0 correctly in
 transport_get_sectors_6()

SBC-3 says:

    A TRANSFER LENGTH field set to zero specifies that 256 logical
    blocks shall be written.  Any other value specifies the number
    of logical blocks that shall be written.

The old code was always just returning the value in the TRANSFER LENGTH
byte.  Fix this to return 256 if the byte is 0.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_transport.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 1b760a0b1109..9faaaae78b0a 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2144,10 +2144,15 @@ static inline u32 transport_get_sectors_6(
 
 	/*
 	 * Everything else assume TYPE_DISK Sector CDB location.
-	 * Use 8-bit sector value.
+	 * Use 8-bit sector value.  SBC-3 says:
+	 *
+	 *   A TRANSFER LENGTH field set to zero specifies that 256
+	 *   logical blocks shall be written.  Any other value
+	 *   specifies the number of logical blocks that shall be
+	 *   written.
 	 */
 type_disk:
-	return (u32)cdb[4];
+	return cdb[4] ? : 256;
 }
 
 static inline u32 transport_get_sectors_10(
-- 
GitLab


From 1289a0571c037b4757f60597d646aedb70361ec3 Mon Sep 17 00:00:00 2001
From: Roland Dreier <roland@purestorage.com>
Date: Tue, 22 Nov 2011 13:51:34 -0800
Subject: [PATCH 1231/1594] target: Fix page length in emulated INQUIRY VPD
 page 86h

The LSB of the page length is at offset 3, not 2.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_cdb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 8013a5a7bf64..831468b3163d 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -478,7 +478,7 @@ target_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)
 	if (cmd->data_length < 60)
 		return 0;
 
-	buf[2] = 0x3c;
+	buf[3] = 0x3c;
 	/* Set HEADSUP, ORDSUP, SIMPSUP */
 	buf[5] = 0x07;
 
-- 
GitLab


From 5c73b678f729ea087ef57b59a5d7b5dd3a97042b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rn=20Engel?= <joern@logfs.org>
Date: Thu, 24 Nov 2011 02:04:16 +0100
Subject: [PATCH 1232/1594] target: remove unused struct fields

Some are never used, some are set but never read, dev_hoq_count is
incremented and decremented, but never read.

Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/iscsi/iscsi_target_core.h |  2 --
 drivers/target/target_core_alua.c        |  2 --
 drivers/target/target_core_transport.c   |  8 --------
 include/target/target_core_base.h        | 18 ------------------
 4 files changed, 30 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 0e96a6b13174..f1a02dad05a0 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -534,7 +534,6 @@ struct iscsi_conn {
 	atomic_t		connection_exit;
 	atomic_t		connection_recovery;
 	atomic_t		connection_reinstatement;
-	atomic_t		connection_wait;
 	atomic_t		connection_wait_rcfr;
 	atomic_t		sleep_on_conn_wait_comp;
 	atomic_t		transport_failed;
@@ -642,7 +641,6 @@ struct iscsi_session {
 	atomic_t		session_reinstatement;
 	atomic_t		session_stop_active;
 	atomic_t		sleep_on_sess_wait_comp;
-	atomic_t		transport_wait_cmds;
 	/* connection list */
 	struct list_head	sess_conn_list;
 	struct list_head	cr_active_list;
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index cd61331c1482..1dcbef499d6a 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -1191,7 +1191,6 @@ void core_alua_free_lu_gp(struct t10_alua_lu_gp *lu_gp)
 	 * struct t10_alua_lu_gp.
 	 */
 	spin_lock(&lu_gps_lock);
-	atomic_set(&lu_gp->lu_gp_shutdown, 1);
 	list_del(&lu_gp->lu_gp_node);
 	alua_lu_gps_count--;
 	spin_unlock(&lu_gps_lock);
@@ -1445,7 +1444,6 @@ struct t10_alua_tg_pt_gp_member *core_alua_allocate_tg_pt_gp_mem(
 
 	tg_pt_gp_mem->tg_pt = port;
 	port->sep_alua_tg_pt_gp_mem = tg_pt_gp_mem;
-	atomic_set(&port->sep_tg_pt_gp_active, 1);
 
 	return tg_pt_gp_mem;
 }
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 9faaaae78b0a..0257658e2e3e 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1326,7 +1326,6 @@ struct se_device *transport_add_device_to_core_hba(
 	dev->se_hba		= hba;
 	dev->se_sub_dev		= se_dev;
 	dev->transport		= transport;
-	atomic_set(&dev->active_cmds, 0);
 	INIT_LIST_HEAD(&dev->dev_list);
 	INIT_LIST_HEAD(&dev->dev_sep_list);
 	INIT_LIST_HEAD(&dev->dev_tmr_list);
@@ -1336,11 +1335,8 @@ struct se_device *transport_add_device_to_core_hba(
 	INIT_LIST_HEAD(&dev->qf_cmd_list);
 	spin_lock_init(&dev->execute_task_lock);
 	spin_lock_init(&dev->delayed_cmd_lock);
-	spin_lock_init(&dev->state_task_lock);
-	spin_lock_init(&dev->dev_alua_lock);
 	spin_lock_init(&dev->dev_reservation_lock);
 	spin_lock_init(&dev->dev_status_lock);
-	spin_lock_init(&dev->dev_status_thr_lock);
 	spin_lock_init(&dev->se_port_lock);
 	spin_lock_init(&dev->se_tmr_lock);
 	spin_lock_init(&dev->qf_cmd_lock);
@@ -1952,8 +1948,6 @@ static inline int transport_execute_task_attr(struct se_cmd *cmd)
 	 * to allow the passed struct se_cmd list of tasks to the front of the list.
 	 */
 	 if (cmd->sam_task_attr == MSG_HEAD_TAG) {
-		atomic_inc(&cmd->se_dev->dev_hoq_count);
-		smp_mb__after_atomic_inc();
 		pr_debug("Added HEAD_OF_QUEUE for CDB:"
 			" 0x%02x, se_ordered_id: %u\n",
 			cmd->t_task_cdb[0],
@@ -3095,8 +3089,6 @@ static void transport_complete_task_attr(struct se_cmd *cmd)
 			" SIMPLE: %u\n", dev->dev_cur_ordered_id,
 			cmd->se_ordered_id);
 	} else if (cmd->sam_task_attr == MSG_HEAD_TAG) {
-		atomic_dec(&dev->dev_hoq_count);
-		smp_mb__after_atomic_dec();
 		dev->dev_cur_ordered_id++;
 		pr_debug("Incremented dev_cur_ordered_id: %u for"
 			" HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id,
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 3a21e2234d2b..098a15611aba 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -213,7 +213,6 @@ struct t10_alua_lu_gp {
 	u16	lu_gp_id;
 	int	lu_gp_valid_id;
 	u32	lu_gp_members;
-	atomic_t lu_gp_shutdown;
 	atomic_t lu_gp_ref_cnt;
 	spinlock_t lu_gp_lock;
 	struct config_group lu_gp_group;
@@ -679,9 +678,6 @@ struct se_subsystem_dev {
 } ____cacheline_aligned;
 
 struct se_device {
-	/* Set to 1 if thread is NOT sleeping on thread_sem */
-	u8			thread_active;
-	u8			dev_status_timer_flags;
 	/* RELATIVE TARGET PORT IDENTIFER Counter */
 	u16			dev_rpti_counter;
 	/* Used for SAM Task Attribute ordering */
@@ -706,14 +702,10 @@ struct se_device {
 	u64			write_bytes;
 	spinlock_t		stats_lock;
 	/* Active commands on this virtual SE device */
-	atomic_t		active_cmds;
 	atomic_t		simple_cmds;
 	atomic_t		depth_left;
 	atomic_t		dev_ordered_id;
-	atomic_t		dev_tur_active;
 	atomic_t		execute_tasks;
-	atomic_t		dev_status_thr_count;
-	atomic_t		dev_hoq_count;
 	atomic_t		dev_ordered_sync;
 	atomic_t		dev_qf_count;
 	struct se_obj		dev_obj;
@@ -722,12 +714,8 @@ struct se_device {
 	struct se_queue_obj	dev_queue_obj;
 	spinlock_t		delayed_cmd_lock;
 	spinlock_t		execute_task_lock;
-	spinlock_t		state_task_lock;
-	spinlock_t		dev_alua_lock;
 	spinlock_t		dev_reservation_lock;
-	spinlock_t		dev_state_lock;
 	spinlock_t		dev_status_lock;
-	spinlock_t		dev_status_thr_lock;
 	spinlock_t		se_port_lock;
 	spinlock_t		se_tmr_lock;
 	spinlock_t		qf_cmd_lock;
@@ -739,11 +727,8 @@ struct se_device {
 	struct t10_pr_registration *dev_pr_res_holder;
 	struct list_head	dev_sep_list;
 	struct list_head	dev_tmr_list;
-	struct timer_list	dev_status_timer;
 	/* Pointer to descriptor for processing thread */
 	struct task_struct	*process_thread;
-	pid_t			process_thread_pid;
-	struct task_struct		*dev_mgmt_thread;
 	struct work_struct	qf_work_queue;
 	struct list_head	delayed_cmd_list;
 	struct list_head	execute_task_list;
@@ -756,8 +741,6 @@ struct se_device {
 	struct se_subsystem_api *transport;
 	/* Linked list for struct se_hba struct se_device list */
 	struct list_head	dev_list;
-	/* Linked list for struct se_global->g_se_dev_list */
-	struct list_head	g_se_dev_list;
 }  ____cacheline_aligned;
 
 struct se_hba {
@@ -819,7 +802,6 @@ struct se_port {
 	u32		sep_index;
 	struct scsi_port_stats sep_stats;
 	/* Used for ALUA Target Port Groups membership */
-	atomic_t	sep_tg_pt_gp_active;
 	atomic_t	sep_tg_pt_secondary_offline;
 	/* Used for PR ALL_TG_PT=1 */
 	atomic_t	sep_tg_pt_ref_cnt;
-- 
GitLab


From 9649fa1b8764f64c8cc4293e197e14cd46fe7205 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 28 Nov 2011 12:33:10 +0100
Subject: [PATCH 1233/1594] target/file: walk properly over sg list

This patch changes fileio to use for_each_sg() when walking se_task->task_sg
memory passed into from loopback LLD struct scsi_cmnd scatterlist memory.

This addresses an issue where FILEIO backends with loopback where hitting the
following OOPs with mkfs.ext2:

|kernel BUG at include/linux/scatterlist.h:97!
|invalid opcode: 0000 [#1] PREEMPT SMP
|Modules linked in: sd_mod tcm_loop target_core_stgt scsi_tgt target_core_pscsi target_core_file target_core_iblock target_core_mod configfs scsi_mod
|
|Pid: 671, comm: LIO_fileio Not tainted 3.1.0-rc10+ #139 Bochs Bochs
|EIP: 0060:[<e0afd746>] EFLAGS: 00010202 CPU: 0
|EIP is at fd_do_task+0x396/0x420 [target_core_file]
| [<e0aa7884>] __transport_execute_tasks+0xd4/0x190 [target_core_mod]
| [<e0aa797c>] transport_execute_tasks+0x3c/0xf0 [target_core_mod]
|EIP: [<e0afd746>] fd_do_task+0x396/0x420 [target_core_file] SS:ESP 0068:dea47e90

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_file.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 38211322415e..b4864fba4ef0 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -289,9 +289,9 @@ static int fd_do_readv(struct se_task *task)
 		return -ENOMEM;
 	}
 
-	for (i = 0; i < task->task_sg_nents; i++) {
-		iov[i].iov_len = sg[i].length;
-		iov[i].iov_base = sg_virt(&sg[i]);
+	for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
+		iov[i].iov_len = sg->length;
+		iov[i].iov_base = sg_virt(sg);
 	}
 
 	old_fs = get_fs();
@@ -342,9 +342,9 @@ static int fd_do_writev(struct se_task *task)
 		return -ENOMEM;
 	}
 
-	for (i = 0; i < task->task_sg_nents; i++) {
-		iov[i].iov_len = sg[i].length;
-		iov[i].iov_base = sg_virt(&sg[i]);
+	for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
+		iov[i].iov_len = sg->length;
+		iov[i].iov_base = sg_virt(sg);
 	}
 
 	old_fs = get_fs();
-- 
GitLab


From 6f21475576dde397cd2580262209d4080fbd5458 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Tue, 29 Nov 2011 03:29:59 -0500
Subject: [PATCH 1234/1594] target: remove the unused se_dev_list

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_configfs.c | 11 -----------
 drivers/target/target_core_device.c   |  1 -
 include/target/target_core_base.h     |  1 -
 3 files changed, 13 deletions(-)

diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index e0c1e8a8dd4e..93d4f6a1b798 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -67,9 +67,6 @@ static struct config_group target_core_hbagroup;
 static struct config_group alua_group;
 static struct config_group alua_lu_gps_group;
 
-static DEFINE_SPINLOCK(se_device_lock);
-static LIST_HEAD(se_dev_list);
-
 static inline struct se_hba *
 item_to_hba(struct config_item *item)
 {
@@ -2741,7 +2738,6 @@ static struct config_group *target_core_make_subdev(
 				" struct se_subsystem_dev\n");
 		goto unlock;
 	}
-	INIT_LIST_HEAD(&se_dev->se_dev_node);
 	INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
 	spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
 	INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
@@ -2777,9 +2773,6 @@ static struct config_group *target_core_make_subdev(
 			" from allocate_virtdevice()\n");
 		goto out;
 	}
-	spin_lock(&se_device_lock);
-	list_add_tail(&se_dev->se_dev_node, &se_dev_list);
-	spin_unlock(&se_device_lock);
 
 	config_group_init_type_name(&se_dev->se_dev_group, name,
 			&target_core_dev_cit);
@@ -2874,10 +2867,6 @@ static void target_core_drop_subdev(
 	mutex_lock(&hba->hba_access_mutex);
 	t = hba->transport;
 
-	spin_lock(&se_device_lock);
-	list_del(&se_dev->se_dev_node);
-	spin_unlock(&se_device_lock);
-
 	dev_stat_grp = &se_dev->dev_stat_grps.stat_group;
 	for (i = 0; dev_stat_grp->default_groups[i]; i++) {
 		df_item = &dev_stat_grp->default_groups[i]->cg_item;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index dd5adb82e3df..e2be1f510da8 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -1584,7 +1584,6 @@ int core_dev_setup_virtual_lun0(void)
 		ret = -ENOMEM;
 		goto out;
 	}
-	INIT_LIST_HEAD(&se_dev->se_dev_node);
 	INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
 	spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
 	INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 098a15611aba..6873c7dd9145 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -669,7 +669,6 @@ struct se_subsystem_dev {
 	struct t10_reservation t10_pr;
 	spinlock_t      se_dev_lock;
 	void            *se_dev_su_ptr;
-	struct list_head se_dev_node;
 	struct config_group se_dev_group;
 	/* For T10 Reservations */
 	struct config_group se_dev_pr_group;
-- 
GitLab


From 5bff9e8584fbcdb361dada5a0425724b9e31e608 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 25 Nov 2011 22:18:45 +0100
Subject: [PATCH 1235/1594] target/rd: simplify the page/offset computation

Breakout rd_MEMCPY_do_task() usage of do_div() to tmp value during
rd_request->rd_page assignment.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_rd.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 6d8a6881cfff..6119ed5a3311 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -583,14 +583,12 @@ static int rd_MEMCPY_do_task(struct se_task *task)
 {
 	struct se_device *dev = task->task_se_cmd->se_dev;
 	struct rd_request *req = RD_REQ(task);
-	unsigned long long lba;
+	u64 tmp;
 	int ret;
 
-	req->rd_page = (task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size) / PAGE_SIZE;
-	lba = task->task_lba;
-	req->rd_offset = (do_div(lba,
-			  (PAGE_SIZE / dev->se_sub_dev->se_dev_attrib.block_size))) *
-			   dev->se_sub_dev->se_dev_attrib.block_size;
+	tmp = task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size;
+	req->rd_offset = do_div(tmp, PAGE_SIZE);
+	req->rd_page = tmp;
 	req->rd_size = task->task_size;
 
 	if (task->task_data_direction == DMA_FROM_DEVICE)
-- 
GitLab


From 65b0c78d5a0ca2cb82b7b9f54f855896e0d7fc10 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 30 Nov 2011 10:48:30 +0100
Subject: [PATCH 1236/1594] target/rd: fix or rewrite the copy routine

So the code assumes that the sg list is only a array while in reality
loopback SGL memory via scsi_cmnd into target-core may be already
chained.  This patch converts ramdisk code to use sg_miter logic from
scatterlist.h in order to properly support passthrough SGL usage with
transport_generic_map_mem_to_cmd() via loopback.

With this patch the bug goes away. However after umount/mount of the
device my files are gone. So something is still not right. After looking
at it for a while I decided to rewrite the that part of the code and now
things do work for me.

For reference:
- http://article.gmane.org/gmane.linux.scsi.target.devel/595
  the sg_next() conversion
- http://article.gmane.org/gmane.linux.scsi.target.devel/602
  the rewrite of the copy code

(nab: Fix compile warning in rd_MEMCPY)

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: stable@kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_rd.c | 245 ++++++--------------------------
 1 file changed, 40 insertions(+), 205 deletions(-)

diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 6119ed5a3311..02e51faa2f4e 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -343,235 +343,74 @@ static struct rd_dev_sg_table *rd_get_sg_table(struct rd_dev *rd_dev, u32 page)
 	return NULL;
 }
 
-/*	rd_MEMCPY_read():
- *
- *
- */
-static int rd_MEMCPY_read(struct rd_request *req)
+static int rd_MEMCPY(struct rd_request *req, u32 read_rd)
 {
 	struct se_task *task = &req->rd_task;
 	struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr;
 	struct rd_dev_sg_table *table;
-	struct scatterlist *sg_d, *sg_s;
-	void *dst, *src;
-	u32 i = 0, j = 0, dst_offset = 0, src_offset = 0;
-	u32 length, page_end = 0, table_sg_end;
+	struct scatterlist *rd_sg;
+	struct sg_mapping_iter m;
 	u32 rd_offset = req->rd_offset;
+	u32 src_len;
 
 	table = rd_get_sg_table(dev, req->rd_page);
 	if (!table)
 		return -EINVAL;
 
-	table_sg_end = (table->page_end_offset - req->rd_page);
-	sg_d = task->task_sg;
-	sg_s = &table->sg_table[req->rd_page - table->page_start_offset];
+	rd_sg = &table->sg_table[req->rd_page - table->page_start_offset];
 
-	pr_debug("RD[%u]: Read LBA: %llu, Size: %u Page: %u, Offset:"
-		" %u\n", dev->rd_dev_id, task->task_lba, req->rd_size,
-		req->rd_page, req->rd_offset);
-
-	src_offset = rd_offset;
+	pr_debug("RD[%u]: %s LBA: %llu, Size: %u Page: %u, Offset: %u\n",
+			dev->rd_dev_id, read_rd ? "Read" : "Write",
+			task->task_lba, req->rd_size, req->rd_page,
+			rd_offset);
 
+	src_len = PAGE_SIZE - rd_offset;
+	sg_miter_start(&m, task->task_sg, task->task_sg_nents,
+			read_rd ? SG_MITER_TO_SG : SG_MITER_FROM_SG);
 	while (req->rd_size) {
-		if ((sg_d[i].length - dst_offset) <
-		    (sg_s[j].length - src_offset)) {
-			length = (sg_d[i].length - dst_offset);
-
-			pr_debug("Step 1 - sg_d[%d]: %p length: %d"
-				" offset: %u sg_s[%d].length: %u\n", i,
-				&sg_d[i], sg_d[i].length, sg_d[i].offset, j,
-				sg_s[j].length);
-			pr_debug("Step 1 - length: %u dst_offset: %u"
-				" src_offset: %u\n", length, dst_offset,
-				src_offset);
-
-			if (length > req->rd_size)
-				length = req->rd_size;
-
-			dst = sg_virt(&sg_d[i++]) + dst_offset;
-			BUG_ON(!dst);
-
-			src = sg_virt(&sg_s[j]) + src_offset;
-			BUG_ON(!src);
-
-			dst_offset = 0;
-			src_offset = length;
-			page_end = 0;
-		} else {
-			length = (sg_s[j].length - src_offset);
-
-			pr_debug("Step 2 - sg_d[%d]: %p length: %d"
-				" offset: %u sg_s[%d].length: %u\n", i,
-				&sg_d[i], sg_d[i].length, sg_d[i].offset,
-				j, sg_s[j].length);
-			pr_debug("Step 2 - length: %u dst_offset: %u"
-				" src_offset: %u\n", length, dst_offset,
-				src_offset);
-
-			if (length > req->rd_size)
-				length = req->rd_size;
-
-			dst = sg_virt(&sg_d[i]) + dst_offset;
-			BUG_ON(!dst);
-
-			if (sg_d[i].length == length) {
-				i++;
-				dst_offset = 0;
-			} else
-				dst_offset = length;
-
-			src = sg_virt(&sg_s[j++]) + src_offset;
-			BUG_ON(!src);
-
-			src_offset = 0;
-			page_end = 1;
-		}
+		u32 len;
+		void *rd_addr;
 
-		memcpy(dst, src, length);
+		sg_miter_next(&m);
+		len = min((u32)m.length, src_len);
+		m.consumed = len;
 
-		pr_debug("page: %u, remaining size: %u, length: %u,"
-			" i: %u, j: %u\n", req->rd_page,
-			(req->rd_size - length), length, i, j);
+		rd_addr = sg_virt(rd_sg) + rd_offset;
 
-		req->rd_size -= length;
-		if (!req->rd_size)
-			return 0;
+		if (read_rd)
+			memcpy(m.addr, rd_addr, len);
+		else
+			memcpy(rd_addr, m.addr, len);
 
-		if (!page_end)
+		req->rd_size -= len;
+		if (!req->rd_size)
 			continue;
 
-		if (++req->rd_page <= table->page_end_offset) {
-			pr_debug("page: %u in same page table\n",
-				req->rd_page);
+		src_len -= len;
+		if (src_len) {
+			rd_offset += len;
 			continue;
 		}
 
-		pr_debug("getting new page table for page: %u\n",
-				req->rd_page);
-
-		table = rd_get_sg_table(dev, req->rd_page);
-		if (!table)
-			return -EINVAL;
-
-		sg_s = &table->sg_table[j = 0];
-	}
-
-	return 0;
-}
-
-/*	rd_MEMCPY_write():
- *
- *
- */
-static int rd_MEMCPY_write(struct rd_request *req)
-{
-	struct se_task *task = &req->rd_task;
-	struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr;
-	struct rd_dev_sg_table *table;
-	struct scatterlist *sg_d, *sg_s;
-	void *dst, *src;
-	u32 i = 0, j = 0, dst_offset = 0, src_offset = 0;
-	u32 length, page_end = 0, table_sg_end;
-	u32 rd_offset = req->rd_offset;
-
-	table = rd_get_sg_table(dev, req->rd_page);
-	if (!table)
-		return -EINVAL;
-
-	table_sg_end = (table->page_end_offset - req->rd_page);
-	sg_d = &table->sg_table[req->rd_page - table->page_start_offset];
-	sg_s = task->task_sg;
-
-	pr_debug("RD[%d] Write LBA: %llu, Size: %u, Page: %u,"
-		" Offset: %u\n", dev->rd_dev_id, task->task_lba, req->rd_size,
-		req->rd_page, req->rd_offset);
-
-	dst_offset = rd_offset;
-
-	while (req->rd_size) {
-		if ((sg_s[i].length - src_offset) <
-		    (sg_d[j].length - dst_offset)) {
-			length = (sg_s[i].length - src_offset);
-
-			pr_debug("Step 1 - sg_s[%d]: %p length: %d"
-				" offset: %d sg_d[%d].length: %u\n", i,
-				&sg_s[i], sg_s[i].length, sg_s[i].offset,
-				j, sg_d[j].length);
-			pr_debug("Step 1 - length: %u src_offset: %u"
-				" dst_offset: %u\n", length, src_offset,
-				dst_offset);
-
-			if (length > req->rd_size)
-				length = req->rd_size;
-
-			src = sg_virt(&sg_s[i++]) + src_offset;
-			BUG_ON(!src);
-
-			dst = sg_virt(&sg_d[j]) + dst_offset;
-			BUG_ON(!dst);
-
-			src_offset = 0;
-			dst_offset = length;
-			page_end = 0;
-		} else {
-			length = (sg_d[j].length - dst_offset);
-
-			pr_debug("Step 2 - sg_s[%d]: %p length: %d"
-				" offset: %d sg_d[%d].length: %u\n", i,
-				&sg_s[i], sg_s[i].length, sg_s[i].offset,
-				j, sg_d[j].length);
-			pr_debug("Step 2 - length: %u src_offset: %u"
-				" dst_offset: %u\n", length, src_offset,
-				dst_offset);
-
-			if (length > req->rd_size)
-				length = req->rd_size;
-
-			src = sg_virt(&sg_s[i]) + src_offset;
-			BUG_ON(!src);
-
-			if (sg_s[i].length == length) {
-				i++;
-				src_offset = 0;
-			} else
-				src_offset = length;
-
-			dst = sg_virt(&sg_d[j++]) + dst_offset;
-			BUG_ON(!dst);
-
-			dst_offset = 0;
-			page_end = 1;
-		}
-
-		memcpy(dst, src, length);
-
-		pr_debug("page: %u, remaining size: %u, length: %u,"
-			" i: %u, j: %u\n", req->rd_page,
-			(req->rd_size - length), length, i, j);
-
-		req->rd_size -= length;
-		if (!req->rd_size)
-			return 0;
-
-		if (!page_end)
-			continue;
-
-		if (++req->rd_page <= table->page_end_offset) {
-			pr_debug("page: %u in same page table\n",
-				req->rd_page);
+		/* rd page completed, next one please */
+		req->rd_page++;
+		rd_offset = 0;
+		src_len = PAGE_SIZE;
+		if (req->rd_page <= table->page_end_offset) {
+			rd_sg++;
 			continue;
 		}
 
-		pr_debug("getting new page table for page: %u\n",
-				req->rd_page);
-
 		table = rd_get_sg_table(dev, req->rd_page);
-		if (!table)
+		if (!table) {
+			sg_miter_stop(&m);
 			return -EINVAL;
+		}
 
-		sg_d = &table->sg_table[j = 0];
+		/* since we increment, the first sg entry is correct */
+		rd_sg = table->sg_table;
 	}
-
+	sg_miter_stop(&m);
 	return 0;
 }
 
@@ -591,11 +430,7 @@ static int rd_MEMCPY_do_task(struct se_task *task)
 	req->rd_page = tmp;
 	req->rd_size = task->task_size;
 
-	if (task->task_data_direction == DMA_FROM_DEVICE)
-		ret = rd_MEMCPY_read(req);
-	else
-		ret = rd_MEMCPY_write(req);
-
+	ret = rd_MEMCPY(req, task->task_data_direction == DMA_FROM_DEVICE);
 	if (ret != 0)
 		return ret;
 
-- 
GitLab


From c638830d040696ff2bae07785fd4277e7e3fe7c4 Mon Sep 17 00:00:00 2001
From: Andy Grover <agrover@redhat.com>
Date: Wed, 30 Nov 2011 12:11:50 -0800
Subject: [PATCH 1237/1594] target: Don't return an error if disabling
 unsupported features

If an attribute is present (but not yet supported) it should be OK
to write 0 (a no-op) to the attribute.

This is an issue because userspace should be able to save and restore all
set attribute values without error.

Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_device.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index e2be1f510da8..9b8639425472 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -954,8 +954,12 @@ int se_dev_set_emulate_dpo(struct se_device *dev, int flag)
 		return -EINVAL;
 	}
 
-	pr_err("dpo_emulated not supported\n");
-	return -EINVAL;
+	if (flag) {
+		pr_err("dpo_emulated not supported\n");
+		return -EINVAL;
+	}
+
+	return 0;
 }
 
 int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
@@ -965,7 +969,7 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
 		return -EINVAL;
 	}
 
-	if (dev->transport->fua_write_emulated == 0) {
+	if (flag && dev->transport->fua_write_emulated == 0) {
 		pr_err("fua_write_emulated not supported\n");
 		return -EINVAL;
 	}
@@ -982,8 +986,12 @@ int se_dev_set_emulate_fua_read(struct se_device *dev, int flag)
 		return -EINVAL;
 	}
 
-	pr_err("ua read emulated not supported\n");
-	return -EINVAL;
+	if (flag) {
+		pr_err("ua read emulated not supported\n");
+		return -EINVAL;
+	}
+
+	return 0;
 }
 
 int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
@@ -992,7 +1000,7 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
 		pr_err("Illegal value %d\n", flag);
 		return -EINVAL;
 	}
-	if (dev->transport->write_cache_emulated == 0) {
+	if (flag && dev->transport->write_cache_emulated == 0) {
 		pr_err("write_cache_emulated not supported\n");
 		return -EINVAL;
 	}
@@ -1053,7 +1061,7 @@ int se_dev_set_emulate_tpu(struct se_device *dev, int flag)
 	 * We expect this value to be non-zero when generic Block Layer
 	 * Discard supported is detected iblock_create_virtdevice().
 	 */
-	if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+	if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
 		pr_err("Generic Block Discard not supported\n");
 		return -ENOSYS;
 	}
@@ -1074,7 +1082,7 @@ int se_dev_set_emulate_tpws(struct se_device *dev, int flag)
 	 * We expect this value to be non-zero when generic Block Layer
 	 * Discard supported is detected iblock_create_virtdevice().
 	 */
-	if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+	if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
 		pr_err("Generic Block Discard not supported\n");
 		return -ENOSYS;
 	}
-- 
GitLab


From ddca8f3ed36c5d25363dab6762829868af09cb02 Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Tue, 6 Dec 2011 05:24:19 +0000
Subject: [PATCH 1238/1594] iscsi-target: Fix hex2bin warn_unused compile
 message
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix the following compile warning with hex2bin() usage:

drivers/target/iscsi/iscsi_target_auth.c: In function ‘chap_string_to_hex’:
drivers/target/iscsi/iscsi_target_auth.c:35: warning: ignoring return value of ‘hex2bin’, declared with attribute warn_unused_result

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/iscsi/iscsi_target_auth.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index beb39469e7f1..1cd6ce373b83 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -30,9 +30,11 @@
 
 static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
 {
-	int j = DIV_ROUND_UP(len, 2);
+	int j = DIV_ROUND_UP(len, 2), rc;
 
-	hex2bin(dst, src, j);
+	rc = hex2bin(dst, src, j);
+	if (rc < 0)
+		pr_debug("CHAP string contains non hex digit symbols\n");
 
 	dst[j] = '\0';
 	return j;
-- 
GitLab


From 75fc2d3797c47f5f70ca71c41c342c352845cd06 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 5 Dec 2011 17:27:08 +0100
Subject: [PATCH 1239/1594] MAINTAINERS: Update tip.git related git trees

Update the six major subsystem trees hosted in the tip tree to
the new location (or add the location if it was missing).

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-w0z98as3kwy9bo1o3k2mmuvi@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 MAINTAINERS | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 447560284996..9706a21edcbd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3118,6 +3118,7 @@ F:	include/linux/hid*
 
 HIGH-RESOLUTION TIMERS, CLOCKEVENTS, DYNTICKS
 M:	Thomas Gleixner <tglx@linutronix.de>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
 S:	Maintained
 F:	Documentation/timers/
 F:	kernel/hrtimer.c
@@ -3627,7 +3628,7 @@ F:	net/irda/
 IRQ SUBSYSTEM
 M:	Thomas Gleixner <tglx@linutronix.de>
 S:	Maintained
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git irq/core
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
 F:	kernel/irq/
 
 ISAPNP
@@ -4115,7 +4116,7 @@ F:	drivers/hwmon/lm90.c
 LOCKDEP AND LOCKSTAT
 M:	Peter Zijlstra <peterz@infradead.org>
 M:	Ingo Molnar <mingo@redhat.com>
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/locking
 S:	Maintained
 F:	Documentation/lockdep*.txt
 F:	Documentation/lockstat.txt
@@ -5102,6 +5103,7 @@ M:	Peter Zijlstra <a.p.zijlstra@chello.nl>
 M:	Paul Mackerras <paulus@samba.org>
 M:	Ingo Molnar <mingo@elte.hu>
 M:	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
 S:	Supported
 F:	kernel/events/*
 F:	include/linux/perf_event.h
@@ -5181,6 +5183,7 @@ F:	drivers/scsi/pm8001/
 
 POSIX CLOCKS and TIMERS
 M:	Thomas Gleixner <tglx@linutronix.de>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
 S:	Supported
 F:	fs/timerfd.c
 F:	include/linux/timer*
@@ -5696,6 +5699,7 @@ F:	drivers/dma/dw_dmac.c
 TIMEKEEPING, NTP
 M:	John Stultz <johnstul@us.ibm.com>
 M:	Thomas Gleixner <tglx@linutronix.de>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
 S:	Supported
 F:	include/linux/clocksource.h
 F:	include/linux/time.h
@@ -5720,6 +5724,7 @@ F:	drivers/watchdog/sc1200wdt.c
 SCHEDULER
 M:	Ingo Molnar <mingo@elte.hu>
 M:	Peter Zijlstra <peterz@infradead.org>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
 S:	Maintained
 F:	kernel/sched*
 F:	include/linux/sched.h
@@ -6647,7 +6652,7 @@ TRACING
 M:	Steven Rostedt <rostedt@goodmis.org>
 M:	Frederic Weisbecker <fweisbec@gmail.com>
 M:	Ingo Molnar <mingo@redhat.com>
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git perf/core
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
 S:	Maintained
 F:	Documentation/trace/ftrace.txt
 F:	arch/*/*/*/ftrace.h
@@ -7397,7 +7402,7 @@ M:	Thomas Gleixner <tglx@linutronix.de>
 M:	Ingo Molnar <mingo@redhat.com>
 M:	"H. Peter Anvin" <hpa@zytor.com>
 M:	x86@kernel.org
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
 S:	Maintained
 F:	Documentation/x86/
 F:	arch/x86/
-- 
GitLab


From cefcc03ffc9527dde56807339edb1719c8dbae5f Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 5 Dec 2011 20:50:45 +0000
Subject: [PATCH 1240/1594] ASoC: Provide a more complete DMA driver stub

Allow userspace applications to do more parameter setting by providing a
more complete stub DMA driver specifying a wildcard set of formats and
channels and essentially random values for the DMA parameters. This is
required for useful runtime operation of the dummy DMA driver until we
are able to figure out how to power up links and do hw_params() from DAPM.

Sending to stable as without this the dummy driver is not terribly
useful.

Reported-by: Kyung-Kwee Ryu <Kyung-Kwee.Ryu@wolfsonmicro.com>
Tested-by: Kyung-Kwee Ryu <Kyung-Kwee.Ryu@wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 sound/soc/soc-utils.c | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 0c12b98484bd..4220bb0f2730 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -58,7 +58,36 @@ int snd_soc_params_to_bclk(struct snd_pcm_hw_params *params)
 }
 EXPORT_SYMBOL_GPL(snd_soc_params_to_bclk);
 
-static struct snd_soc_platform_driver dummy_platform;
+static const struct snd_pcm_hardware dummy_dma_hardware = {
+	.formats		= 0xffffffff,
+	.channels_min		= 1,
+	.channels_max		= UINT_MAX,
+
+	/* Random values to keep userspace happy when checking constraints */
+	.info			= SNDRV_PCM_INFO_INTERLEAVED |
+				  SNDRV_PCM_INFO_BLOCK_TRANSFER,
+	.buffer_bytes_max	= 128*1024,
+	.period_bytes_min	= PAGE_SIZE,
+	.period_bytes_max	= PAGE_SIZE*2,
+	.periods_min		= 2,
+	.periods_max		= 128,
+};
+
+static int dummy_dma_open(struct snd_pcm_substream *substream)
+{
+	snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware);
+
+	return 0;
+}
+
+static struct snd_pcm_ops dummy_dma_ops = {
+	.open		= dummy_dma_open,
+	.ioctl		= snd_pcm_lib_ioctl,
+};
+
+static struct snd_soc_platform_driver dummy_platform = {
+	.ops = &dummy_dma_ops,
+};
 
 static __devinit int snd_soc_dummy_probe(struct platform_device *pdev)
 {
-- 
GitLab


From 96f176a310e447966e45112fe4511b9d9fa0caf4 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Tue, 6 Dec 2011 11:17:34 +0100
Subject: [PATCH 1241/1594] iommu/msm: Fix compile error in
 mach-msm/devices-iommu.c

Fix compile error due to missing <linux/module.h> include.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 arch/arm/mach-msm/devices-iommu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-msm/devices-iommu.c b/arch/arm/mach-msm/devices-iommu.c
index 24030d0da6e3..0fb7a17df398 100644
--- a/arch/arm/mach-msm/devices-iommu.c
+++ b/arch/arm/mach-msm/devices-iommu.c
@@ -18,6 +18,7 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/bootmem.h>
+#include <linux/module.h>
 #include <mach/irqs.h>
 #include <mach/iommu.h>
 
-- 
GitLab


From dd13752537d36cc6c145cb040f71ce7acda31e6e Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Mon, 5 Dec 2011 23:14:39 +0000
Subject: [PATCH 1242/1594] x86/intel_mid: Fix the Kconfig for MID selection

We currently fail to build on CONFIG_X86_INTEL_MID=y and
CONFIG_X86_MRST unset.

We could build all the bits to make generic MID work if you
picked MID platform alone but that's really silly. Instead use
select and two variables.

This looks a bit daft right now but once we add a Medfield
selection it'll start to look a good deal more sensible.

Reported-by: Ingo Molnar <mingo@elte.hu>
Reported-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Link: http://lkml.kernel.org/r/20111205231433.28811.51297.stgit@bob.linux.org.uk
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/Kconfig | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cb9a1044a771..5553f9f1a70d 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -390,7 +390,7 @@ config X86_INTEL_CE
 	  This option compiles in support for the CE4100 SOC for settop
 	  boxes and media devices.
 
-config X86_INTEL_MID
+config X86_WANT_INTEL_MID
 	bool "Intel MID platform support"
 	depends on X86_32
 	depends on X86_EXTENDED_PLATFORM
@@ -399,7 +399,7 @@ config X86_INTEL_MID
 	  systems which do not have the PCI legacy interfaces (Moorestown,
 	  Medfield). If you are building for a PC class system say N here.
 
-if X86_INTEL_MID
+if X86_WANT_INTEL_MID
 
 config X86_MRST
        bool "Moorestown MID platform"
@@ -411,6 +411,7 @@ config X86_MRST
 	select SPI
 	select INTEL_SCU_IPC
 	select X86_PLATFORM_DEVICES
+	select X86_INTEL_MID
 	---help---
 	  Moorestown is Intel's Low Power Intel Architecture (LPIA) based Moblin
 	  Internet Device(MID) platform. Moorestown consists of two chips:
-- 
GitLab


From d68fb11c3dae75c8331538dcf083a65e697cc034 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 5 Dec 2011 21:16:06 +0100
Subject: [PATCH 1243/1594] ptp: Fix clock_getres() implementation

The clock_getres() function must return the resolution in the timespec
argument and return 0 for success.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: stable@kernel.org
Cc: Richard Cochran <richard.cochran@omicron.at>
---
 drivers/ptp/ptp_clock.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index cf3f9997546d..10451a15e828 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -101,7 +101,9 @@ static s32 scaled_ppm_to_ppb(long ppm)
 
 static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
 {
-	return 1; /* always round timer functions to one nanosecond */
+	tp->tv_sec = 0;
+	tp->tv_nsec = 1;
+	return 0;
 }
 
 static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
-- 
GitLab


From c9c024b3f3e07d087974db4c0dc46217fff3a6c0 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 5 Dec 2011 21:20:23 +0100
Subject: [PATCH 1244/1594] alarmtimers: Fix time comparison

The expiry function compares the timer against current time and does
not expire the timer when the expiry time is >= now. That's wrong. If
the timer is set for now, then it must expire.

Make the condition expiry > now for breaking out the loop.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: stable@kernel.org
---
 kernel/time/alarmtimer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index c436e790b21b..8a46f5d64504 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -195,7 +195,7 @@ static enum hrtimer_restart alarmtimer_fired(struct hrtimer *timer)
 		struct alarm *alarm;
 		ktime_t expired = next->expires;
 
-		if (expired.tv64 >= now.tv64)
+		if (expired.tv64 > now.tv64)
 			break;
 
 		alarm = container_of(next, struct alarm, node);
-- 
GitLab


From 68bfcafaaeebdf23fba0edb4e0964bef7d08f92a Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Tue, 6 Dec 2011 15:19:00 +0800
Subject: [PATCH 1245/1594] ASoC: Include linux/io.h for jz4740 codec

Include linux/io.h to fix below build errors:

  CC      sound/soc/codecs/jz4740.o
sound/soc/codecs/jz4740.c: In function 'jz4740_codec_read':
sound/soc/codecs/jz4740.c:82: error: implicit declaration of function 'readl'
sound/soc/codecs/jz4740.c: In function 'jz4740_codec_write':
sound/soc/codecs/jz4740.c:92: error: implicit declaration of function 'writel'
sound/soc/codecs/jz4740.c: In function 'jz4740_codec_probe':
sound/soc/codecs/jz4740.c:373: error: implicit declaration of function 'ioremap'
sound/soc/codecs/jz4740.c:373: warning: assignment makes pointer from integer without a cast
sound/soc/codecs/jz4740.c:393: error: implicit declaration of function 'iounmap'
make[3]: *** [sound/soc/codecs/jz4740.o] Error 1
make[2]: *** [sound/soc/codecs] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/jz4740.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/jz4740.c b/sound/soc/codecs/jz4740.c
index e373f8f06907..3e1f4e172bfb 100644
--- a/sound/soc/codecs/jz4740.c
+++ b/sound/soc/codecs/jz4740.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
 #include <linux/delay.h>
 
-- 
GitLab


From f8f626f537aee0da878d287e0d7694b7b76d599a Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Tue, 6 Dec 2011 15:38:51 +0800
Subject: [PATCH 1246/1594] ASoC: Fix build dependency for SND_SOC_JZ4740_CODEC

Currently SND_SOC_JZ4740_CODEC depends on SOC_JZ4740 but SOC_JZ4740 is not
defined in any Kconfig. Thus the codec driver will not be built when select
"Build all ASoC CODEC drivers".
(Unless it is selected by SND_JZ4740_SOC_QI_LB60).
Remove the dependency with SOC_JZ4740, then this code driver can be built when
select "Build all ASoC CODEC drivers".

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 4584514d93d4..fa787d45d74a 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -33,7 +33,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_CX20442
 	select SND_SOC_DA7210 if I2C
 	select SND_SOC_DFBMCS320
-	select SND_SOC_JZ4740_CODEC if SOC_JZ4740
+	select SND_SOC_JZ4740_CODEC
 	select SND_SOC_LM4857 if I2C
 	select SND_SOC_MAX98088 if I2C
 	select SND_SOC_MAX98095 if I2C
-- 
GitLab


From 974c07249b06d948154be3275bf4f6e55b585300 Mon Sep 17 00:00:00 2001
From: Nicolas Pitre <nicolas.pitre@linaro.org>
Date: Fri, 2 Dec 2011 23:09:42 +0100
Subject: [PATCH 1247/1594] ARM: 7186/1: fix Kconfig issue with PHYS_OFFSET and
 !MMU
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Commit 1b9f95f8ade9 (ARM: prepare for removal of a bunch of <mach/memory.h>
files) introduced CONFIG_PHYS_OFFSET but the Kconfig hex prompt did not
provide a default value.

This has the undesired side effect of breaking a reportedly used
trick for updating defconfigs on the fly for routine buildtesting
across all arch and all platforms, i.e.

	cp /path/to/somedefconfig .config ; yes "" | make oldconfig

because the config system will endlessly loop until a valid address is
provided.

However we can't just pick a random default value since it is likely to
be wrong for the majority of the boards as the right answer for this
option is quite varied.  So the fact that the config system insists on
having a proper value be entered is actually a good thing.

It turns out that only at91x40_defconfig has this problem because it has
CONFIG_MMU=n. However, in the !MMU case, there is already a CONFIG_DRAM_BASE
value that can be used here.  So let's use that as a default in that case
and suppress the redundant CONFIG_PHYS_OFFSET prompt.

Eventually the DRAM_BASE config option could simply be replaced by
PHYS_OFFSET directly, but that's a larger change better suited for later.

Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e084b7e981e8..776d76b8cb69 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -220,8 +220,9 @@ config NEED_MACH_MEMORY_H
 	  be avoided when possible.
 
 config PHYS_OFFSET
-	hex "Physical address of main memory"
+	hex "Physical address of main memory" if MMU
 	depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H
+	default DRAM_BASE if !MMU
 	help
 	  Please provide the physical address corresponding to the
 	  location of main memory in your system.
-- 
GitLab


From de66a979012dbc66b1ec0125795a3f79ee667b8a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 5 Dec 2011 09:39:59 +0100
Subject: [PATCH 1248/1594] ARM: 7187/1: fix unwinding for XIP kernels
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The linker places the unwind tables in readonly sections. So when using
an XIP kernel these are located in ROM and cannot be modified.
For that reason the current approach to convert the relative offsets in
the unwind index to absolute addresses early in the boot process doesn't
work with XIP.

The offsets in the unwind index section are signed 31 bit numbers and
the structs are sorted by this offset. So it first has offsets between
0x40000000 and 0x7fffffff (i.e. the negative offsets) and then offsets
between 0x00000000 and 0x3fffffff. When seperating these two blocks the
numbers are sorted even when interpreting the offsets as unsigned longs.

So determine the first non-negative entry once and track that using the
new origin pointer. The actual bisection can then use a plain unsigned
long comparison. The only thing that makes the new bisection more
complicated is that the offsets are relative to their position in the
index section, so the key to search needs to be adapted accordingly in
each step.

Moreover several consts are added to catch future writes and rename the
member "addr" of struct unwind_idx to "addr_offset" to better match the
new semantic. (This has the additional benefit of breaking eventual
users at compile time to make them aware of the change.)

In my tests the new algorithm was a tad faster than the original and has
the additional upside of not needing the initial conversion and so saves
some boot time and it's possible to unwind even earlier.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/include/asm/unwind.h |  16 ++---
 arch/arm/kernel/setup.c       |   2 -
 arch/arm/kernel/unwind.c      | 129 ++++++++++++++++++++++------------
 3 files changed, 88 insertions(+), 59 deletions(-)

diff --git a/arch/arm/include/asm/unwind.h b/arch/arm/include/asm/unwind.h
index a5edf421005c..d1c3f3a71c94 100644
--- a/arch/arm/include/asm/unwind.h
+++ b/arch/arm/include/asm/unwind.h
@@ -30,14 +30,15 @@ enum unwind_reason_code {
 };
 
 struct unwind_idx {
-	unsigned long addr;
+	unsigned long addr_offset;
 	unsigned long insn;
 };
 
 struct unwind_table {
 	struct list_head list;
-	struct unwind_idx *start;
-	struct unwind_idx *stop;
+	const struct unwind_idx *start;
+	const struct unwind_idx *origin;
+	const struct unwind_idx *stop;
 	unsigned long begin_addr;
 	unsigned long end_addr;
 };
@@ -49,15 +50,6 @@ extern struct unwind_table *unwind_table_add(unsigned long start,
 extern void unwind_table_del(struct unwind_table *tab);
 extern void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk);
 
-#ifdef CONFIG_ARM_UNWIND
-extern int __init unwind_init(void);
-#else
-static inline int __init unwind_init(void)
-{
-	return 0;
-}
-#endif
-
 #endif	/* !__ASSEMBLY__ */
 
 #ifdef CONFIG_ARM_UNWIND
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 3448a3f9cc8c..1bdd0adbb7dd 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -895,8 +895,6 @@ void __init setup_arch(char **cmdline_p)
 {
 	struct machine_desc *mdesc;
 
-	unwind_init();
-
 	setup_processor();
 	mdesc = setup_machine_fdt(__atags_pointer);
 	if (!mdesc)
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index e7e8365795c3..3f03fe0c3269 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -67,7 +67,7 @@ EXPORT_SYMBOL(__aeabi_unwind_cpp_pr2);
 
 struct unwind_ctrl_block {
 	unsigned long vrs[16];		/* virtual register set */
-	unsigned long *insn;		/* pointer to the current instructions word */
+	const unsigned long *insn;	/* pointer to the current instructions word */
 	int entries;			/* number of entries left to interpret */
 	int byte;			/* current byte number in the instructions word */
 };
@@ -83,8 +83,9 @@ enum regs {
 	PC = 15
 };
 
-extern struct unwind_idx __start_unwind_idx[];
-extern struct unwind_idx __stop_unwind_idx[];
+extern const struct unwind_idx __start_unwind_idx[];
+static const struct unwind_idx *__origin_unwind_idx;
+extern const struct unwind_idx __stop_unwind_idx[];
 
 static DEFINE_SPINLOCK(unwind_lock);
 static LIST_HEAD(unwind_tables);
@@ -98,45 +99,99 @@ static LIST_HEAD(unwind_tables);
 })
 
 /*
- * Binary search in the unwind index. The entries entries are
+ * Binary search in the unwind index. The entries are
  * guaranteed to be sorted in ascending order by the linker.
+ *
+ * start = first entry
+ * origin = first entry with positive offset (or stop if there is no such entry)
+ * stop - 1 = last entry
  */
-static struct unwind_idx *search_index(unsigned long addr,
-				       struct unwind_idx *first,
-				       struct unwind_idx *last)
+static const struct unwind_idx *search_index(unsigned long addr,
+				       const struct unwind_idx *start,
+				       const struct unwind_idx *origin,
+				       const struct unwind_idx *stop)
 {
-	pr_debug("%s(%08lx, %p, %p)\n", __func__, addr, first, last);
+	unsigned long addr_prel31;
+
+	pr_debug("%s(%08lx, %p, %p, %p)\n",
+			__func__, addr, start, origin, stop);
+
+	/*
+	 * only search in the section with the matching sign. This way the
+	 * prel31 numbers can be compared as unsigned longs.
+	 */
+	if (addr < (unsigned long)start)
+		/* negative offsets: [start; origin) */
+		stop = origin;
+	else
+		/* positive offsets: [origin; stop) */
+		start = origin;
+
+	/* prel31 for address relavive to start */
+	addr_prel31 = (addr - (unsigned long)start) & 0x7fffffff;
 
-	if (addr < first->addr) {
+	while (start < stop - 1) {
+		const struct unwind_idx *mid = start + ((stop - start) >> 1);
+
+		/*
+		 * As addr_prel31 is relative to start an offset is needed to
+		 * make it relative to mid.
+		 */
+		if (addr_prel31 - ((unsigned long)mid - (unsigned long)start) <
+				mid->addr_offset)
+			stop = mid;
+		else {
+			/* keep addr_prel31 relative to start */
+			addr_prel31 -= ((unsigned long)mid -
+					(unsigned long)start);
+			start = mid;
+		}
+	}
+
+	if (likely(start->addr_offset <= addr_prel31))
+		return start;
+	else {
 		pr_warning("unwind: Unknown symbol address %08lx\n", addr);
 		return NULL;
-	} else if (addr >= last->addr)
-		return last;
+	}
+}
 
-	while (first < last - 1) {
-		struct unwind_idx *mid = first + ((last - first + 1) >> 1);
+static const struct unwind_idx *unwind_find_origin(
+		const struct unwind_idx *start, const struct unwind_idx *stop)
+{
+	pr_debug("%s(%p, %p)\n", __func__, start, stop);
+	while (start < stop - 1) {
+		const struct unwind_idx *mid = start + ((stop - start) >> 1);
 
-		if (addr < mid->addr)
-			last = mid;
+		if (mid->addr_offset >= 0x40000000)
+			/* negative offset */
+			start = mid;
 		else
-			first = mid;
+			/* positive offset */
+			stop = mid;
 	}
-
-	return first;
+	pr_debug("%s -> %p\n", __func__, stop);
+	return stop;
 }
 
-static struct unwind_idx *unwind_find_idx(unsigned long addr)
+static const struct unwind_idx *unwind_find_idx(unsigned long addr)
 {
-	struct unwind_idx *idx = NULL;
+	const struct unwind_idx *idx = NULL;
 	unsigned long flags;
 
 	pr_debug("%s(%08lx)\n", __func__, addr);
 
-	if (core_kernel_text(addr))
+	if (core_kernel_text(addr)) {
+		if (unlikely(!__origin_unwind_idx))
+			__origin_unwind_idx =
+				unwind_find_origin(__start_unwind_idx,
+						__stop_unwind_idx);
+
 		/* main unwind table */
 		idx = search_index(addr, __start_unwind_idx,
-				   __stop_unwind_idx - 1);
-	else {
+				   __origin_unwind_idx,
+				   __stop_unwind_idx);
+	} else {
 		/* module unwind tables */
 		struct unwind_table *table;
 
@@ -145,7 +200,8 @@ static struct unwind_idx *unwind_find_idx(unsigned long addr)
 			if (addr >= table->begin_addr &&
 			    addr < table->end_addr) {
 				idx = search_index(addr, table->start,
-						   table->stop - 1);
+						   table->origin,
+						   table->stop);
 				/* Move-to-front to exploit common traces */
 				list_move(&table->list, &unwind_tables);
 				break;
@@ -274,7 +330,7 @@ static int unwind_exec_insn(struct unwind_ctrl_block *ctrl)
 int unwind_frame(struct stackframe *frame)
 {
 	unsigned long high, low;
-	struct unwind_idx *idx;
+	const struct unwind_idx *idx;
 	struct unwind_ctrl_block ctrl;
 
 	/* only go to a higher address on the stack */
@@ -399,7 +455,6 @@ struct unwind_table *unwind_table_add(unsigned long start, unsigned long size,
 				      unsigned long text_size)
 {
 	unsigned long flags;
-	struct unwind_idx *idx;
 	struct unwind_table *tab = kmalloc(sizeof(*tab), GFP_KERNEL);
 
 	pr_debug("%s(%08lx, %08lx, %08lx, %08lx)\n", __func__, start, size,
@@ -408,15 +463,12 @@ struct unwind_table *unwind_table_add(unsigned long start, unsigned long size,
 	if (!tab)
 		return tab;
 
-	tab->start = (struct unwind_idx *)start;
-	tab->stop = (struct unwind_idx *)(start + size);
+	tab->start = (const struct unwind_idx *)start;
+	tab->stop = (const struct unwind_idx *)(start + size);
+	tab->origin = unwind_find_origin(tab->start, tab->stop);
 	tab->begin_addr = text_addr;
 	tab->end_addr = text_addr + text_size;
 
-	/* Convert the symbol addresses to absolute values */
-	for (idx = tab->start; idx < tab->stop; idx++)
-		idx->addr = prel31_to_addr(&idx->addr);
-
 	spin_lock_irqsave(&unwind_lock, flags);
 	list_add_tail(&tab->list, &unwind_tables);
 	spin_unlock_irqrestore(&unwind_lock, flags);
@@ -437,16 +489,3 @@ void unwind_table_del(struct unwind_table *tab)
 
 	kfree(tab);
 }
-
-int __init unwind_init(void)
-{
-	struct unwind_idx *idx;
-
-	/* Convert the symbol addresses to absolute values */
-	for (idx = __start_unwind_idx; idx < __stop_unwind_idx; idx++)
-		idx->addr = prel31_to_addr(&idx->addr);
-
-	pr_debug("unwind: ARM stack unwinding initialised\n");
-
-	return 0;
-}
-- 
GitLab


From 6340cfed48c478cf67451ddcd2daa3438e642632 Mon Sep 17 00:00:00 2001
From: Andrew Vagin <avagin@openvz.org>
Date: Mon, 28 Nov 2011 12:03:29 +0300
Subject: [PATCH 1249/1594] perf header: Use event_name() to get an event name

perf_evsel.name may be not initialized

Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arun Sharma <asharma@fb.com>
Cc: devel@openvz.org
Link: http://lkml.kernel.org/r/1322471015-107825-2-git-send-email-avagin@openvz.org
Signed-off-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/header.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index bcd05d05b4f0..33c17a2b2a81 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -388,7 +388,7 @@ static int write_event_desc(int fd, struct perf_header *h __used,
 		/*
 		 * write event string as passed on cmdline
 		 */
-		ret = do_write_string(fd, attr->name);
+		ret = do_write_string(fd, event_name(attr));
 		if (ret < 0)
 			return ret;
 		/*
-- 
GitLab


From f1a73746c6664442082e3d53e1804f46e1910436 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Sun, 4 Dec 2011 13:44:06 +0100
Subject: [PATCH 1250/1594] ALSA: hda - Fix GPIO LED setup for IDT 92HD75
 codecs

Some HP laptops with IDT 92HD75 codecs may use a GPIO > 4 for the mute
LED, but currently the driver doesn't check this properly, and confuses
the mute LED behavior.  This ended up with the silent output  on some
HP laptops due to  having another GPIO used as external amp control.

This patch fixes the problem by checking the max GPIO count and
comparing with the given value from DMI entry instead of magic fixed
value 4 and 8, and adding a new field to indicate the VREF mute-LED
behavior.

Reported-and-tested-by: Vitaliy Kulikov <Vitaliy.Kulikov@idt.com>
Cc: <stable@kernel.org> [v3.1]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 45 ++++++++++++++++++----------------
 1 file changed, 24 insertions(+), 21 deletions(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index f3658658548e..e035cf6de278 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -215,6 +215,7 @@ struct sigmatel_spec {
 	unsigned int gpio_mute;
 	unsigned int gpio_led;
 	unsigned int gpio_led_polarity;
+	unsigned int vref_mute_led_nid; /* pin NID for mute-LED vref control */
 	unsigned int vref_led;
 
 	/* stream */
@@ -4318,12 +4319,10 @@ static void stac_store_hints(struct hda_codec *codec)
 		spec->eapd_switch = val;
 	get_int_hint(codec, "gpio_led_polarity", &spec->gpio_led_polarity);
 	if (get_int_hint(codec, "gpio_led", &spec->gpio_led)) {
-		if (spec->gpio_led <= 8) {
-			spec->gpio_mask |= spec->gpio_led;
-			spec->gpio_dir |= spec->gpio_led;
-			if (spec->gpio_led_polarity)
-				spec->gpio_data |= spec->gpio_led;
-		}
+		spec->gpio_mask |= spec->gpio_led;
+		spec->gpio_dir |= spec->gpio_led;
+		if (spec->gpio_led_polarity)
+			spec->gpio_data |= spec->gpio_led;
 	}
 }
 
@@ -4913,8 +4912,14 @@ static int find_mute_led_gpio(struct hda_codec *codec, int default_polarity)
 			if (sscanf(dev->name, "HP_Mute_LED_%d_%x",
 				  &spec->gpio_led_polarity,
 				  &spec->gpio_led) == 2) {
-				if (spec->gpio_led < 4)
+				unsigned int max_gpio;
+				max_gpio = snd_hda_param_read(codec, codec->afg,
+							      AC_PAR_GPIO_CAP);
+				max_gpio &= AC_GPIO_IO_COUNT;
+				if (spec->gpio_led < max_gpio)
 					spec->gpio_led = 1 << spec->gpio_led;
+				else
+					spec->vref_mute_led_nid = spec->gpio_led;
 				return 1;
 			}
 			if (sscanf(dev->name, "HP_Mute_LED_%d",
@@ -5043,15 +5048,12 @@ static int stac92xx_pre_resume(struct hda_codec *codec)
 	struct sigmatel_spec *spec = codec->spec;
 
 	/* sync mute LED */
-	if (spec->gpio_led) {
-		if (spec->gpio_led <= 8) {
-			stac_gpio_set(codec, spec->gpio_mask,
-					spec->gpio_dir, spec->gpio_data);
-		} else {
-			stac_vrefout_set(codec,
-					spec->gpio_led, spec->vref_led);
-		}
-	}
+	if (spec->vref_mute_led_nid)
+		stac_vrefout_set(codec, spec->vref_mute_led_nid,
+				 spec->vref_led);
+	else if (spec->gpio_led)
+		stac_gpio_set(codec, spec->gpio_mask,
+			      spec->gpio_dir, spec->gpio_data);
 	return 0;
 }
 
@@ -5076,7 +5078,7 @@ static void stac92xx_set_power_state(struct hda_codec *codec, hda_nid_t fg,
 	struct sigmatel_spec *spec = codec->spec;
 
 	if (power_state == AC_PWRST_D3) {
-		if (spec->gpio_led > 8) {
+		if (spec->vref_mute_led_nid) {
 			/* with vref-out pin used for mute led control
 			 * codec AFG is prevented from D3 state
 			 */
@@ -5129,7 +5131,7 @@ static int stac92xx_update_led_status(struct hda_codec *codec)
 		}
 	}
 	/*polarity defines *not* muted state level*/
-	if (spec->gpio_led <= 8) {
+	if (!spec->vref_mute_led_nid) {
 		if (muted)
 			spec->gpio_data &= ~spec->gpio_led; /* orange */
 		else
@@ -5147,7 +5149,8 @@ static int stac92xx_update_led_status(struct hda_codec *codec)
 		muted_lvl = spec->gpio_led_polarity ?
 				AC_PINCTL_VREF_GRD : AC_PINCTL_VREF_HIZ;
 		spec->vref_led = muted ? muted_lvl : notmtd_lvl;
-		stac_vrefout_set(codec,	spec->gpio_led, spec->vref_led);
+		stac_vrefout_set(codec,	spec->vref_mute_led_nid,
+				 spec->vref_led);
 	}
 	return 0;
 }
@@ -5661,7 +5664,7 @@ again:
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 	if (spec->gpio_led) {
-		if (spec->gpio_led <= 8) {
+		if (!spec->vref_mute_led_nid) {
 			spec->gpio_mask |= spec->gpio_led;
 			spec->gpio_dir |= spec->gpio_led;
 			spec->gpio_data |= spec->gpio_led;
@@ -5976,7 +5979,7 @@ again:
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 	if (spec->gpio_led) {
-		if (spec->gpio_led <= 8) {
+		if (!spec->vref_mute_led_nid) {
 			spec->gpio_mask |= spec->gpio_led;
 			spec->gpio_dir |= spec->gpio_led;
 			spec->gpio_data |= spec->gpio_led;
-- 
GitLab


From a020428364485751b607105c8f5a608f9b1fd38b Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 6 Dec 2011 13:17:23 +0100
Subject: [PATCH 1251/1594] ALSA: hda - Fix remaining VREF mute-LED NID check
 in post-3.1 changes

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index ea1f157ca38b..eeb25d529e30 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4442,7 +4442,7 @@ static int stac92xx_init(struct hda_codec *codec)
 		/* power on when no jack detection is available */
 		/* or when the VREF is used for controlling LED */
 		if (!spec->hp_detect ||
-		    (spec->gpio_led > 8 && spec->gpio_led == nid)) {
+		    spec->vref_mute_led_nid == nid) {
 			stac_toggle_power_map(codec, nid, 1);
 			continue;
 		}
-- 
GitLab


From 6bd054096dce061560cee0e016e292e588dc438f Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Fri, 2 Dec 2011 18:16:01 +0100
Subject: [PATCH 1252/1594] ARM: 7185/1: perf: don't assign platform_device on
 unsupported CPUs

In the unlikely case that a platform registers a PMU platform_device
when running on a CPU that is unsupported by perf, we will encounter a
NULL dereference when trying to assign the platform_device to the
cpu_pmu structure.

This patch checks that the CPU is supported by perf before assigning
the platform_device.

Reported-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/perf_event.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 8e9c98edc068..88b0941ce51e 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -640,6 +640,9 @@ static struct platform_device_id armpmu_plat_device_ids[] = {
 
 static int __devinit armpmu_device_probe(struct platform_device *pdev)
 {
+	if (!cpu_pmu)
+		return -ENODEV;
+
 	cpu_pmu->plat_device = pdev;
 	return 0;
 }
-- 
GitLab


From 4e2b1c4f56227c742bbd2ea8e8f559567eb80c3f Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Tue, 6 Dec 2011 13:28:22 +0000
Subject: [PATCH 1253/1594] x86/intel_mid: Kconfig select fix

If we select a symbol it should have a type declared first
otherwise in some situations the config tools get upset. They
are currently perhaps a bit too resilient which is why this
wasn't noticed initially.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Link: http://lkml.kernel.org/r/20111206132811.4041.32549.stgit@bob.linux.org.uk
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5553f9f1a70d..efb42949cc09 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -401,6 +401,9 @@ config X86_WANT_INTEL_MID
 
 if X86_WANT_INTEL_MID
 
+config X86_INTEL_MID
+	bool
+
 config X86_MRST
        bool "Moorestown MID platform"
 	depends on PCI
-- 
GitLab


From 89e0b9a3fd66d72f2d7b7f2d6d86fa56997cde27 Mon Sep 17 00:00:00 2001
From: Sedat Dilek <sedat.dilek@googlemail.com>
Date: Mon, 5 Dec 2011 23:08:32 +0100
Subject: [PATCH 1254/1594] iommu/amd: Fix typo in kernel-parameters.txt

Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 Documentation/kernel-parameters.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index a0c5c5f4fce6..da5037766eed 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -320,7 +320,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			on: enable for both 32- and 64-bit processes
 			off: disable for both 32- and 64-bit processes
 
-	amd_iommu=	[HW,X86-84]
+	amd_iommu=	[HW,X86-64]
 			Pass parameters to the AMD IOMMU driver in the system.
 			Possible values are:
 			fullflush - enable flushing of IO/TLB entries when
-- 
GitLab


From c29f7d457ac63311feb11928a866efd2fe153d74 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 30 Nov 2011 08:58:18 +0000
Subject: [PATCH 1255/1594] xfs: fix nfs export of 64-bit inodes numbers on
 32-bit kernels

The i_ino field in the VFS inode is of type unsigned long and thus can't
hold the full 64-bit inode number on 32-bit kernels.  We have the full
inode number in the XFS inode, so use that one for nfs exports.  Note
that I've also switched the 32-bit file handles types to it, just to make
the code more consistent and copy & paste errors less likely to happen.

Reported-by: Guoquan Yang <ygq51@hotmail.com>
Reported-by: Hank Peng <pengxihan@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
---
 fs/xfs/xfs_export.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index da108977b21f..558910f5e3c0 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -98,22 +98,22 @@ xfs_fs_encode_fh(
 	switch (fileid_type) {
 	case FILEID_INO32_GEN_PARENT:
 		spin_lock(&dentry->d_lock);
-		fid->i32.parent_ino = dentry->d_parent->d_inode->i_ino;
+		fid->i32.parent_ino = XFS_I(dentry->d_parent->d_inode)->i_ino;
 		fid->i32.parent_gen = dentry->d_parent->d_inode->i_generation;
 		spin_unlock(&dentry->d_lock);
 		/*FALLTHRU*/
 	case FILEID_INO32_GEN:
-		fid->i32.ino = inode->i_ino;
+		fid->i32.ino = XFS_I(inode)->i_ino;
 		fid->i32.gen = inode->i_generation;
 		break;
 	case FILEID_INO32_GEN_PARENT | XFS_FILEID_TYPE_64FLAG:
 		spin_lock(&dentry->d_lock);
-		fid64->parent_ino = dentry->d_parent->d_inode->i_ino;
+		fid64->parent_ino = XFS_I(dentry->d_parent->d_inode)->i_ino;
 		fid64->parent_gen = dentry->d_parent->d_inode->i_generation;
 		spin_unlock(&dentry->d_lock);
 		/*FALLTHRU*/
 	case FILEID_INO32_GEN | XFS_FILEID_TYPE_64FLAG:
-		fid64->ino = inode->i_ino;
+		fid64->ino = XFS_I(inode)->i_ino;
 		fid64->gen = inode->i_generation;
 		break;
 	}
-- 
GitLab


From a33caeb118198286309859f014c0662f3ed54ed4 Mon Sep 17 00:00:00 2001
From: Yong Zhang <yong.zhang0@gmail.com>
Date: Wed, 9 Nov 2011 16:04:51 +0800
Subject: [PATCH 1256/1594] lockdep, kmemcheck: Annotate ->lock in
 lockdep_init_map()

Since commit f59de89 ("lockdep: Clear whole lockdep_map on initialization"),
lockdep_init_map() will clear all the struct. But it will break
lock_set_class()/lock_set_subclass(). A typical race condition
is like below:

     CPU A                                   CPU B
lock_set_subclass(lockA);
 lock_set_class(lockA);
   lockdep_init_map(lockA);
     /* lockA->name is cleared */
     memset(lockA);
                                     __lock_acquire(lockA);
                                       /* lockA->class_cache[] is cleared */
                                       register_lock_class(lockA);
                                         look_up_lock_class(lockA);
                                           WARN_ON_ONCE(class->name !=
                                                     lock->name);

     lock->name = name;

So restore to what we have done before commit f59de89 but annotate
->lock with kmemcheck_mark_initialized() to suppress the kmemcheck
warning reported in commit f59de89.

Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reported-by: Borislav Petkov <bp@alien8.de>
Suggested-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: <stable@kernel.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111109080451.GB8124@zhy
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/lockdep.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index e69434b070da..b2e08c932d91 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -44,6 +44,7 @@
 #include <linux/stringify.h>
 #include <linux/bitops.h>
 #include <linux/gfp.h>
+#include <linux/kmemcheck.h>
 
 #include <asm/sections.h>
 
@@ -2948,7 +2949,12 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this,
 void lockdep_init_map(struct lockdep_map *lock, const char *name,
 		      struct lock_class_key *key, int subclass)
 {
-	memset(lock, 0, sizeof(*lock));
+	int i;
+
+	kmemcheck_mark_initialized(lock, sizeof(*lock));
+
+	for (i = 0; i < NR_LOCKDEP_CACHING_CLASSES; i++)
+		lock->class_cache[i] = NULL;
 
 #ifdef CONFIG_LOCK_STAT
 	lock->cpu = raw_smp_processor_id();
-- 
GitLab


From 99b53bdd810611cc178e1a86bc112d8f4f56a1e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20Pan=28=E6=BD=98=E5=8D=AB=E5=B9=B3=29?=
 <panweiping3@gmail.com>
Date: Mon, 5 Dec 2011 21:39:41 +0000
Subject: [PATCH 1257/1594] ipv4:correct description for tcp_max_syn_backlog

Since commit c5ed63d66f24(tcp: fix three tcp sysctls tuning),
sysctl_max_syn_backlog is determined by tcp_hashinfo->ehash_mask,
and the minimal value is 128, and it will increase in proportion to the
memory of machine.
The original description for tcp_max_syn_backlog and sysctl_max_syn_backlog
are out of date.

Changelog:
V2: update description for sysctl_max_syn_backlog

Signed-off-by: Weiping Pan <panweiping3@gmail.com>
Reviewed-by: Shan Wei <shanwei88@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/ip-sysctl.txt | 10 +++++-----
 net/core/request_sock.c                |  7 ++++---
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index f049a1ca186f..589f2da5d545 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -282,11 +282,11 @@ tcp_max_ssthresh - INTEGER
 	Default: 0 (off)
 
 tcp_max_syn_backlog - INTEGER
-	Maximal number of remembered connection requests, which are
-	still did not receive an acknowledgment from connecting client.
-	Default value is 1024 for systems with more than 128Mb of memory,
-	and 128 for low memory machines. If server suffers of overload,
-	try to increase this number.
+	Maximal number of remembered connection requests, which have not
+	received an acknowledgment from connecting client.
+	The minimal value is 128 for low memory machines, and it will
+	increase in proportion to the memory of machine.
+	If server suffers from overload, try increasing this number.
 
 tcp_max_tw_buckets - INTEGER
 	Maximal number of timewait sockets held by system simultaneously.
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index 182236b2510a..9b570a6a33c5 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -26,10 +26,11 @@
  * but then some measure against one socket starving all other sockets
  * would be needed.
  *
- * It was 128 by default. Experiments with real servers show, that
+ * The minimum value of it is 128. Experiments with real servers show that
  * it is absolutely not enough even at 100conn/sec. 256 cures most
- * of problems. This value is adjusted to 128 for very small machines
- * (<=32Mb of memory) and to 1024 on normal or better ones (>=256Mb).
+ * of problems.
+ * This value is adjusted to 128 for low memory machines,
+ * and it will increase in proportion to the memory of machine.
  * Note : Dont forget somaxconn that may limit backlog too.
  */
 int sysctl_max_syn_backlog = 256;
-- 
GitLab


From 4af3ce0de0c12e5c17811eaefad36ab8e146c0fd Mon Sep 17 00:00:00 2001
From: Roland Dreier <roland@purestorage.com>
Date: Tue, 6 Dec 2011 10:47:37 -0800
Subject: [PATCH 1258/1594] IB/mlx4: Fix shutdown crash accessing a
 non-existent bitmap

Commit cfcde11c3d7a ("IB/mlx4: Use flow counters on IBoE ports") added
code that sets elements of counters[] to -1 if no counter is allocated,
but then goes ahead and passes every entry to mlx4_counter_free() on
shutdown.  This is a bad idea, especially if MLX4_DEV_CAP_FLAG_COUNTERS
isn't set so there isn't even an underlying bitmap to free from.

Tested-by: Sean Hefty <sean.hefty@intel.com>
Cc: <stable@kernel.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/hw/mlx4/main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 77f3dbc0aaa1..18836cdf1e10 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1244,7 +1244,8 @@ err_reg:
 
 err_counter:
 	for (; i; --i)
-		mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
+		if (ibdev->counters[i - 1] != -1)
+			mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
 
 err_map:
 	iounmap(ibdev->uar_map);
@@ -1275,7 +1276,8 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
 	}
 	iounmap(ibdev->uar_map);
 	for (p = 0; p < ibdev->num_ports; ++p)
-		mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
+		if (ibdev->counters[p] != -1)
+			mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
 	mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB)
 		mlx4_CLOSE_PORT(dev, p);
 
-- 
GitLab


From 681090902eeb459a829f6f93d378a82011af3c89 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@codeaurora.org>
Date: Tue, 6 Dec 2011 08:04:40 +0000
Subject: [PATCH 1259/1594] net: Silence seq_scale() unused warning

On a CONFIG_NET=y build

net/core/secure_seq.c:22: warning: 'seq_scale' defined but not
used

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/secure_seq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index 025233de25f9..925991ae6f52 100644
--- a/net/core/secure_seq.c
+++ b/net/core/secure_seq.c
@@ -19,6 +19,7 @@ static int __init net_secret_init(void)
 }
 late_initcall(net_secret_init);
 
+#ifdef CONFIG_INET
 static u32 seq_scale(u32 seq)
 {
 	/*
@@ -33,6 +34,7 @@ static u32 seq_scale(u32 seq)
 	 */
 	return seq + (ktime_to_ns(ktime_get_real()) >> 6);
 }
+#endif
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 __u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr,
-- 
GitLab


From 03fc3070457dc0e6a717a2e732af93ef1cb2ae51 Mon Sep 17 00:00:00 2001
From: Antonio Quartulli <ordex@autistici.org>
Date: Sun, 4 Dec 2011 12:26:50 +0100
Subject: [PATCH 1260/1594] batman-adv: in case of roaming mark the client with
 TT_CLIENT_ROAM

In case of a client roaming from node A to node B, the latter have to mark the
corresponding global entry with TT_CLIENT_ROAM (instead of TT_CLIENT_PENDING).

Marking a global entry with TT_CLIENT_PENDING will end up in keeping such entry
forever (because this flag is only meant to be used with local entries and it is
never checked on global ones).

In the worst case (all the clients roaming to the same node A) the local and the
global table will contain exactly the same clients. Batman-adv will continue to
work, but the memory usage is duplicated.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
---
 net/batman-adv/translation-table.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index c7aafc7c5ed4..c46b1407c885 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -245,9 +245,11 @@ void tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
 	if (tt_global_entry) {
 		/* This node is probably going to update its tt table */
 		tt_global_entry->orig_node->tt_poss_change = true;
-		/* The global entry has to be marked as PENDING and has to be
+		/* The global entry has to be marked as ROAMING and has to be
 		 * kept for consistency purpose */
-		tt_global_entry->flags |= TT_CLIENT_PENDING;
+		tt_global_entry->flags |= TT_CLIENT_ROAM;
+		tt_global_entry->roam_at = jiffies;
+
 		send_roam_adv(bat_priv, tt_global_entry->addr,
 			      tt_global_entry->orig_node);
 	}
-- 
GitLab


From 797399b415b78dacdbcaffdb89e46e369ec88b98 Mon Sep 17 00:00:00 2001
From: Antonio Quartulli <ordex@autistici.org>
Date: Sun, 4 Dec 2011 22:38:27 +0100
Subject: [PATCH 1261/1594] batman-adv: delete global entry in case of roaming

When receiving a DEL change for a client due to a roaming event (change is
marked with TT_CLIENT_ROAM), each node  has to check if the client roamed
to itself or somewhere else.

In the latter case the global entry is kept to avoid having no route at all
otherwise we can safely delete the global entry

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
---
 net/batman-adv/translation-table.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index c46b1407c885..5f09a578d49d 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -696,6 +696,7 @@ void tt_global_del(struct bat_priv *bat_priv,
 		   const char *message, bool roaming)
 {
 	struct tt_global_entry *tt_global_entry = NULL;
+	struct tt_local_entry *tt_local_entry = NULL;
 
 	tt_global_entry = tt_global_hash_find(bat_priv, addr);
 	if (!tt_global_entry)
@@ -703,15 +704,29 @@ void tt_global_del(struct bat_priv *bat_priv,
 
 	if (tt_global_entry->orig_node == orig_node) {
 		if (roaming) {
-			tt_global_entry->flags |= TT_CLIENT_ROAM;
-			tt_global_entry->roam_at = jiffies;
-			goto out;
+			/* if we are deleting a global entry due to a roam
+			 * event, there are two possibilities:
+			 * 1) the client roamed from node A to node B => we mark
+			 *    it with TT_CLIENT_ROAM, we start a timer and we
+			 *    wait for node B to claim it. In case of timeout
+			 *    the entry is purged.
+			 * 2) the client roamed to us => we can directly delete
+			 *    the global entry, since it is useless now. */
+			tt_local_entry = tt_local_hash_find(bat_priv,
+							tt_global_entry->addr);
+			if (!tt_local_entry) {
+				tt_global_entry->flags |= TT_CLIENT_ROAM;
+				tt_global_entry->roam_at = jiffies;
+				goto out;
+			}
 		}
 		_tt_global_del(bat_priv, tt_global_entry, message);
 	}
 out:
 	if (tt_global_entry)
 		tt_global_entry_free_ref(tt_global_entry);
+	if (tt_local_entry)
+		tt_local_entry_free_ref(tt_local_entry);
 }
 
 void tt_global_del_orig(struct bat_priv *bat_priv,
-- 
GitLab


From 5bf1e97dc34bf09643815ed48be3d1761a5985e1 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 15 Nov 2011 22:22:49 +0100
Subject: [PATCH 1262/1594] m68k: Wire up process_vm_{read,write}v

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68k/include/asm/unistd.h  | 4 +++-
 arch/m68k/kernel/syscalltable.S | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 43f984e93970..303192fc9260 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -350,10 +350,12 @@
 #define __NR_clock_adjtime	342
 #define __NR_syncfs		343
 #define __NR_setns		344
+#define __NR_process_vm_readv	345
+#define __NR_process_vm_writev	346
 
 #ifdef __KERNEL__
 
-#define NR_syscalls		345
+#define NR_syscalls		347
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index c468f2edaa85..ce827b376110 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -365,4 +365,6 @@ ENTRY(sys_call_table)
 	.long sys_clock_adjtime
 	.long sys_syncfs
 	.long sys_setns
+	.long sys_process_vm_readv	/* 345 */
+	.long sys_process_vm_writev
 
-- 
GitLab


From 162d12de656bc76786ba5fad6dac7bd238de9657 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 4 Dec 2011 08:38:54 +0100
Subject: [PATCH 1263/1594] ath9k: fix check for antenna diversity support

fixes a regression on single-stream chips introduced in
commit 43c3528430bd29f5e52438cad7cf7c0c62bf4583
"ath9k: implement .get_antenna and .set_antenna"

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Reported-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 93fbe6f40898..d2348a5a7809 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -286,7 +286,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
 			ath_start_ani(common);
 	}
 
-	if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) {
+	if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) {
 		struct ath_hw_antcomb_conf div_ant_conf;
 		u8 lna_conf;
 
-- 
GitLab


From 9f9c19ec1a59422c7687b11847ed3408128aa0d6 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 28 Nov 2011 08:17:36 +0000
Subject: [PATCH 1264/1594] xfs: fix the logspace waiting algorithm

Apply the scheme used in log_regrant_write_log_space to wake up any other
threads waiting for log space before the newly added one to
log_regrant_write_log_space as well, and factor the code into readable
helpers.  For each of the queues we have add two helpers:

 - one to try to wake up all waiting threads.  This helper will also be
   usable by xfs_log_move_tail once we remove the current opportunistic
   wakeups in it.
 - one to sleep on t_wait until enough log space is available, loosely
   modelled after Linux waitqueues.

And use them to reimplement the guts of log_regrant_write_log_space and
log_regrant_write_log_space.  These two function now use one and the same
algorithm for waiting on log space instead of subtly different ones before,
with an option to completely unify them in the near future.

Also move the filesystem shutdown handling to the common caller given
that we had to touch it anyway.

Based on hard debugging and an earlier patch from
Chandra Seetharaman <sekharan@us.ibm.com>.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chandra Seetharaman <sekharan@us.ibm.com>
Tested-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
---
 fs/xfs/xfs_log.c   | 348 ++++++++++++++++++++++-----------------------
 fs/xfs/xfs_trace.h |  12 +-
 2 files changed, 177 insertions(+), 183 deletions(-)

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index a14cd89fe465..34817adf4b9e 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -150,6 +150,117 @@ xlog_grant_add_space(
 	} while (head_val != old);
 }
 
+STATIC bool
+xlog_reserveq_wake(
+	struct log		*log,
+	int			*free_bytes)
+{
+	struct xlog_ticket	*tic;
+	int			need_bytes;
+
+	list_for_each_entry(tic, &log->l_reserveq, t_queue) {
+		if (tic->t_flags & XLOG_TIC_PERM_RESERV)
+			need_bytes = tic->t_unit_res * tic->t_cnt;
+		else
+			need_bytes = tic->t_unit_res;
+
+		if (*free_bytes < need_bytes)
+			return false;
+		*free_bytes -= need_bytes;
+
+		trace_xfs_log_grant_wake_up(log, tic);
+		wake_up(&tic->t_wait);
+	}
+
+	return true;
+}
+
+STATIC bool
+xlog_writeq_wake(
+	struct log		*log,
+	int			*free_bytes)
+{
+	struct xlog_ticket	*tic;
+	int			need_bytes;
+
+	list_for_each_entry(tic, &log->l_writeq, t_queue) {
+		ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV);
+
+		need_bytes = tic->t_unit_res;
+
+		if (*free_bytes < need_bytes)
+			return false;
+		*free_bytes -= need_bytes;
+
+		trace_xfs_log_regrant_write_wake_up(log, tic);
+		wake_up(&tic->t_wait);
+	}
+
+	return true;
+}
+
+STATIC int
+xlog_reserveq_wait(
+	struct log		*log,
+	struct xlog_ticket	*tic,
+	int			need_bytes)
+{
+	list_add_tail(&tic->t_queue, &log->l_reserveq);
+
+	do {
+		if (XLOG_FORCED_SHUTDOWN(log))
+			goto shutdown;
+		xlog_grant_push_ail(log, need_bytes);
+
+		XFS_STATS_INC(xs_sleep_logspace);
+		trace_xfs_log_grant_sleep(log, tic);
+
+		xlog_wait(&tic->t_wait, &log->l_grant_reserve_lock);
+		trace_xfs_log_grant_wake(log, tic);
+
+		spin_lock(&log->l_grant_reserve_lock);
+		if (XLOG_FORCED_SHUTDOWN(log))
+			goto shutdown;
+	} while (xlog_space_left(log, &log->l_grant_reserve_head) < need_bytes);
+
+	list_del_init(&tic->t_queue);
+	return 0;
+shutdown:
+	list_del_init(&tic->t_queue);
+	return XFS_ERROR(EIO);
+}
+
+STATIC int
+xlog_writeq_wait(
+	struct log		*log,
+	struct xlog_ticket	*tic,
+	int			need_bytes)
+{
+	list_add_tail(&tic->t_queue, &log->l_writeq);
+
+	do {
+		if (XLOG_FORCED_SHUTDOWN(log))
+			goto shutdown;
+		xlog_grant_push_ail(log, need_bytes);
+
+		XFS_STATS_INC(xs_sleep_logspace);
+		trace_xfs_log_regrant_write_sleep(log, tic);
+
+		xlog_wait(&tic->t_wait, &log->l_grant_write_lock);
+		trace_xfs_log_regrant_write_wake(log, tic);
+
+		spin_lock(&log->l_grant_write_lock);
+		if (XLOG_FORCED_SHUTDOWN(log))
+			goto shutdown;
+	} while (xlog_space_left(log, &log->l_grant_write_head) < need_bytes);
+
+	list_del_init(&tic->t_queue);
+	return 0;
+shutdown:
+	list_del_init(&tic->t_queue);
+	return XFS_ERROR(EIO);
+}
+
 static void
 xlog_tic_reset_res(xlog_ticket_t *tic)
 {
@@ -350,8 +461,19 @@ xfs_log_reserve(
 		retval = xlog_grant_log_space(log, internal_ticket);
 	}
 
+	if (unlikely(retval)) {
+		/*
+		 * If we are failing, make sure the ticket doesn't have any
+		 * current reservations.  We don't want to add this back
+		 * when the ticket/ transaction gets cancelled.
+		 */
+		internal_ticket->t_curr_res = 0;
+		/* ungrant will give back unit_res * t_cnt. */
+		internal_ticket->t_cnt = 0;
+	}
+
 	return retval;
-}	/* xfs_log_reserve */
+}
 
 
 /*
@@ -2481,8 +2603,8 @@ restart:
 /*
  * Atomically get the log space required for a log ticket.
  *
- * Once a ticket gets put onto the reserveq, it will only return after
- * the needed reservation is satisfied.
+ * Once a ticket gets put onto the reserveq, it will only return after the
+ * needed reservation is satisfied.
  *
  * This function is structured so that it has a lock free fast path. This is
  * necessary because every new transaction reservation will come through this
@@ -2490,113 +2612,53 @@ restart:
  * every pass.
  *
  * As tickets are only ever moved on and off the reserveq under the
- * l_grant_reserve_lock, we only need to take that lock if we are going
- * to add the ticket to the queue and sleep. We can avoid taking the lock if the
- * ticket was never added to the reserveq because the t_queue list head will be
- * empty and we hold the only reference to it so it can safely be checked
- * unlocked.
+ * l_grant_reserve_lock, we only need to take that lock if we are going to add
+ * the ticket to the queue and sleep. We can avoid taking the lock if the ticket
+ * was never added to the reserveq because the t_queue list head will be empty
+ * and we hold the only reference to it so it can safely be checked unlocked.
  */
 STATIC int
-xlog_grant_log_space(xlog_t	   *log,
-		     xlog_ticket_t *tic)
+xlog_grant_log_space(
+	struct log		*log,
+	struct xlog_ticket	*tic)
 {
-	int		 free_bytes;
-	int		 need_bytes;
+	int			free_bytes, need_bytes;
+	int			error = 0;
 
-#ifdef DEBUG
-	if (log->l_flags & XLOG_ACTIVE_RECOVERY)
-		panic("grant Recovery problem");
-#endif
+	ASSERT(!(log->l_flags & XLOG_ACTIVE_RECOVERY));
 
 	trace_xfs_log_grant_enter(log, tic);
 
+	/*
+	 * If there are other waiters on the queue then give them a chance at
+	 * logspace before us.  Wake up the first waiters, if we do not wake
+	 * up all the waiters then go to sleep waiting for more free space,
+	 * otherwise try to get some space for this transaction.
+	 */
 	need_bytes = tic->t_unit_res;
 	if (tic->t_flags & XFS_LOG_PERM_RESERV)
 		need_bytes *= tic->t_ocnt;
-
-	/* something is already sleeping; insert new transaction at end */
-	if (!list_empty_careful(&log->l_reserveq)) {
-		spin_lock(&log->l_grant_reserve_lock);
-		/* recheck the queue now we are locked */
-		if (list_empty(&log->l_reserveq)) {
-			spin_unlock(&log->l_grant_reserve_lock);
-			goto redo;
-		}
-		list_add_tail(&tic->t_queue, &log->l_reserveq);
-
-		trace_xfs_log_grant_sleep1(log, tic);
-
-		/*
-		 * Gotta check this before going to sleep, while we're
-		 * holding the grant lock.
-		 */
-		if (XLOG_FORCED_SHUTDOWN(log))
-			goto error_return;
-
-		XFS_STATS_INC(xs_sleep_logspace);
-		xlog_wait(&tic->t_wait, &log->l_grant_reserve_lock);
-
-		/*
-		 * If we got an error, and the filesystem is shutting down,
-		 * we'll catch it down below. So just continue...
-		 */
-		trace_xfs_log_grant_wake1(log, tic);
-	}
-
-redo:
-	if (XLOG_FORCED_SHUTDOWN(log))
-		goto error_return_unlocked;
-
 	free_bytes = xlog_space_left(log, &log->l_grant_reserve_head);
-	if (free_bytes < need_bytes) {
+	if (!list_empty_careful(&log->l_reserveq)) {
 		spin_lock(&log->l_grant_reserve_lock);
-		if (list_empty(&tic->t_queue))
-			list_add_tail(&tic->t_queue, &log->l_reserveq);
-
-		trace_xfs_log_grant_sleep2(log, tic);
-
-		if (XLOG_FORCED_SHUTDOWN(log))
-			goto error_return;
-
-		xlog_grant_push_ail(log, need_bytes);
-
-		XFS_STATS_INC(xs_sleep_logspace);
-		xlog_wait(&tic->t_wait, &log->l_grant_reserve_lock);
-
-		trace_xfs_log_grant_wake2(log, tic);
-		goto redo;
-	}
-
-	if (!list_empty(&tic->t_queue)) {
+		if (!xlog_reserveq_wake(log, &free_bytes) ||
+		    free_bytes < need_bytes)
+			error = xlog_reserveq_wait(log, tic, need_bytes);
+		spin_unlock(&log->l_grant_reserve_lock);
+	} else if (free_bytes < need_bytes) {
 		spin_lock(&log->l_grant_reserve_lock);
-		list_del_init(&tic->t_queue);
+		error = xlog_reserveq_wait(log, tic, need_bytes);
 		spin_unlock(&log->l_grant_reserve_lock);
 	}
+	if (error)
+		return error;
 
-	/* we've got enough space */
 	xlog_grant_add_space(log, &log->l_grant_reserve_head, need_bytes);
 	xlog_grant_add_space(log, &log->l_grant_write_head, need_bytes);
 	trace_xfs_log_grant_exit(log, tic);
 	xlog_verify_grant_tail(log);
 	return 0;
-
-error_return_unlocked:
-	spin_lock(&log->l_grant_reserve_lock);
-error_return:
-	list_del_init(&tic->t_queue);
-	spin_unlock(&log->l_grant_reserve_lock);
-	trace_xfs_log_grant_error(log, tic);
-
-	/*
-	 * If we are failing, make sure the ticket doesn't have any
-	 * current reservations. We don't want to add this back when
-	 * the ticket/transaction gets cancelled.
-	 */
-	tic->t_curr_res = 0;
-	tic->t_cnt = 0; /* ungrant will give back unit_res * t_cnt. */
-	return XFS_ERROR(EIO);
-}	/* xlog_grant_log_space */
-
+}
 
 /*
  * Replenish the byte reservation required by moving the grant write head.
@@ -2605,10 +2667,12 @@ error_return:
  * free fast path.
  */
 STATIC int
-xlog_regrant_write_log_space(xlog_t	   *log,
-			     xlog_ticket_t *tic)
+xlog_regrant_write_log_space(
+	struct log		*log,
+	struct xlog_ticket	*tic)
 {
-	int		free_bytes, need_bytes;
+	int			free_bytes, need_bytes;
+	int			error = 0;
 
 	tic->t_curr_res = tic->t_unit_res;
 	xlog_tic_reset_res(tic);
@@ -2616,104 +2680,38 @@ xlog_regrant_write_log_space(xlog_t	   *log,
 	if (tic->t_cnt > 0)
 		return 0;
 
-#ifdef DEBUG
-	if (log->l_flags & XLOG_ACTIVE_RECOVERY)
-		panic("regrant Recovery problem");
-#endif
+	ASSERT(!(log->l_flags & XLOG_ACTIVE_RECOVERY));
 
 	trace_xfs_log_regrant_write_enter(log, tic);
-	if (XLOG_FORCED_SHUTDOWN(log))
-		goto error_return_unlocked;
 
-	/* If there are other waiters on the queue then give them a
-	 * chance at logspace before us. Wake up the first waiters,
-	 * if we do not wake up all the waiters then go to sleep waiting
-	 * for more free space, otherwise try to get some space for
-	 * this transaction.
+	/*
+	 * If there are other waiters on the queue then give them a chance at
+	 * logspace before us.  Wake up the first waiters, if we do not wake
+	 * up all the waiters then go to sleep waiting for more free space,
+	 * otherwise try to get some space for this transaction.
 	 */
 	need_bytes = tic->t_unit_res;
-	if (!list_empty_careful(&log->l_writeq)) {
-		struct xlog_ticket *ntic;
-
-		spin_lock(&log->l_grant_write_lock);
-		free_bytes = xlog_space_left(log, &log->l_grant_write_head);
-		list_for_each_entry(ntic, &log->l_writeq, t_queue) {
-			ASSERT(ntic->t_flags & XLOG_TIC_PERM_RESERV);
-
-			if (free_bytes < ntic->t_unit_res)
-				break;
-			free_bytes -= ntic->t_unit_res;
-			wake_up(&ntic->t_wait);
-		}
-
-		if (ntic != list_first_entry(&log->l_writeq,
-						struct xlog_ticket, t_queue)) {
-			if (list_empty(&tic->t_queue))
-				list_add_tail(&tic->t_queue, &log->l_writeq);
-			trace_xfs_log_regrant_write_sleep1(log, tic);
-
-			xlog_grant_push_ail(log, need_bytes);
-
-			XFS_STATS_INC(xs_sleep_logspace);
-			xlog_wait(&tic->t_wait, &log->l_grant_write_lock);
-			trace_xfs_log_regrant_write_wake1(log, tic);
-		} else
-			spin_unlock(&log->l_grant_write_lock);
-	}
-
-redo:
-	if (XLOG_FORCED_SHUTDOWN(log))
-		goto error_return_unlocked;
-
 	free_bytes = xlog_space_left(log, &log->l_grant_write_head);
-	if (free_bytes < need_bytes) {
+	if (!list_empty_careful(&log->l_writeq)) {
 		spin_lock(&log->l_grant_write_lock);
-		if (list_empty(&tic->t_queue))
-			list_add_tail(&tic->t_queue, &log->l_writeq);
-
-		if (XLOG_FORCED_SHUTDOWN(log))
-			goto error_return;
-
-		xlog_grant_push_ail(log, need_bytes);
-
-		XFS_STATS_INC(xs_sleep_logspace);
-		trace_xfs_log_regrant_write_sleep2(log, tic);
-		xlog_wait(&tic->t_wait, &log->l_grant_write_lock);
-
-		trace_xfs_log_regrant_write_wake2(log, tic);
-		goto redo;
-	}
-
-	if (!list_empty(&tic->t_queue)) {
+		if (!xlog_writeq_wake(log, &free_bytes) ||
+		    free_bytes < need_bytes)
+			error = xlog_writeq_wait(log, tic, need_bytes);
+		spin_unlock(&log->l_grant_write_lock);
+	} else if (free_bytes < need_bytes) {
 		spin_lock(&log->l_grant_write_lock);
-		list_del_init(&tic->t_queue);
+		error = xlog_writeq_wait(log, tic, need_bytes);
 		spin_unlock(&log->l_grant_write_lock);
 	}
 
-	/* we've got enough space */
+	if (error)
+		return error;
+
 	xlog_grant_add_space(log, &log->l_grant_write_head, need_bytes);
 	trace_xfs_log_regrant_write_exit(log, tic);
 	xlog_verify_grant_tail(log);
 	return 0;
-
-
- error_return_unlocked:
-	spin_lock(&log->l_grant_write_lock);
- error_return:
-	list_del_init(&tic->t_queue);
-	spin_unlock(&log->l_grant_write_lock);
-	trace_xfs_log_regrant_write_error(log, tic);
-
-	/*
-	 * If we are failing, make sure the ticket doesn't have any
-	 * current reservations. We don't want to add this back when
-	 * the ticket/transaction gets cancelled.
-	 */
-	tic->t_curr_res = 0;
-	tic->t_cnt = 0; /* ungrant will give back unit_res * t_cnt. */
-	return XFS_ERROR(EIO);
-}	/* xlog_regrant_write_log_space */
-
+}
 
 /* The first cnt-1 times through here we don't need to
  * move the grant write head because the permanent
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index f1d2802b2f07..494035798873 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -834,18 +834,14 @@ DEFINE_LOGGRANT_EVENT(xfs_log_umount_write);
 DEFINE_LOGGRANT_EVENT(xfs_log_grant_enter);
 DEFINE_LOGGRANT_EVENT(xfs_log_grant_exit);
 DEFINE_LOGGRANT_EVENT(xfs_log_grant_error);
-DEFINE_LOGGRANT_EVENT(xfs_log_grant_sleep1);
-DEFINE_LOGGRANT_EVENT(xfs_log_grant_wake1);
-DEFINE_LOGGRANT_EVENT(xfs_log_grant_sleep2);
-DEFINE_LOGGRANT_EVENT(xfs_log_grant_wake2);
+DEFINE_LOGGRANT_EVENT(xfs_log_grant_sleep);
+DEFINE_LOGGRANT_EVENT(xfs_log_grant_wake);
 DEFINE_LOGGRANT_EVENT(xfs_log_grant_wake_up);
 DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_enter);
 DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_exit);
 DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_error);
-DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_sleep1);
-DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_wake1);
-DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_sleep2);
-DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_wake2);
+DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_sleep);
+DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_wake);
 DEFINE_LOGGRANT_EVENT(xfs_log_regrant_write_wake_up);
 DEFINE_LOGGRANT_EVENT(xfs_log_regrant_reserve_enter);
 DEFINE_LOGGRANT_EVENT(xfs_log_regrant_reserve_exit);
-- 
GitLab


From 02125a826459a6ad142f8d91c5b6357562f96615 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 5 Dec 2011 08:43:34 -0500
Subject: [PATCH 1265/1594] fix apparmor dereferencing potentially freed
 dentry, sanitize __d_path() API

__d_path() API is asking for trouble and in case of apparmor d_namespace_path()
getting just that.  The root cause is that when __d_path() misses the root
it had been told to look for, it stores the location of the most remote ancestor
in *root.  Without grabbing references.  Sure, at the moment of call it had
been pinned down by what we have in *path.  And if we raced with umount -l, we
could have very well stopped at vfsmount/dentry that got freed as soon as
prepend_path() dropped vfsmount_lock.

It is safe to compare these pointers with pre-existing (and known to be still
alive) vfsmount and dentry, as long as all we are asking is "is it the same
address?".  Dereferencing is not safe and apparmor ended up stepping into
that.  d_namespace_path() really wants to examine the place where we stopped,
even if it's not connected to our namespace.  As the result, it looked
at ->d_sb->s_magic of a dentry that might've been already freed by that point.
All other callers had been careful enough to avoid that, but it's really
a bad interface - it invites that kind of trouble.

The fix is fairly straightforward, even though it's bigger than I'd like:
	* prepend_path() root argument becomes const.
	* __d_path() is never called with NULL/NULL root.  It was a kludge
to start with.  Instead, we have an explicit function - d_absolute_root().
Same as __d_path(), except that it doesn't get root passed and stops where
it stops.  apparmor and tomoyo are using it.
	* __d_path() returns NULL on path outside of root.  The main
caller is show_mountinfo() and that's precisely what we pass root for - to
skip those outside chroot jail.  Those who don't want that can (and do)
use d_path().
	* __d_path() root argument becomes const.  Everyone agrees, I hope.
	* apparmor does *NOT* try to use __d_path() or any of its variants
when it sees that path->mnt is an internal vfsmount.  In that case it's
definitely not mounted anywhere and dentry_path() is exactly what we want
there.  Handling of sysctl()-triggered weirdness is moved to that place.
	* if apparmor is asked to do pathname relative to chroot jail
and __d_path() tells it we it's not in that jail, the sucker just calls
d_absolute_path() instead.  That's the other remaining caller of __d_path(),
BTW.
        * seq_path_root() does _NOT_ return -ENAMETOOLONG (it's stupid anyway -
the normal seq_file logics will take care of growing the buffer and redoing
the call of ->show() just fine).  However, if it gets path not reachable
from root, it returns SEQ_SKIP.  The only caller adjusted (i.e. stopped
ignoring the return value as it used to do).

Reviewed-by: John Johansen <john.johansen@canonical.com>
ACKed-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
---
 fs/dcache.c                | 71 +++++++++++++++++++++++---------------
 fs/namespace.c             | 20 ++++++-----
 fs/seq_file.c              |  6 ++--
 include/linux/dcache.h     |  3 +-
 include/linux/fs.h         |  1 +
 security/apparmor/path.c   | 65 +++++++++++++++++++---------------
 security/tomoyo/realpath.c |  3 +-
 7 files changed, 100 insertions(+), 69 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 10ba92def3f6..89509b5a090e 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2439,16 +2439,14 @@ static int prepend_name(char **buffer, int *buflen, struct qstr *name)
 /**
  * prepend_path - Prepend path string to a buffer
  * @path: the dentry/vfsmount to report
- * @root: root vfsmnt/dentry (may be modified by this function)
+ * @root: root vfsmnt/dentry
  * @buffer: pointer to the end of the buffer
  * @buflen: pointer to buffer length
  *
  * Caller holds the rename_lock.
- *
- * If path is not reachable from the supplied root, then the value of
- * root is changed (without modifying refcounts).
  */
-static int prepend_path(const struct path *path, struct path *root,
+static int prepend_path(const struct path *path,
+			const struct path *root,
 			char **buffer, int *buflen)
 {
 	struct dentry *dentry = path->dentry;
@@ -2483,10 +2481,10 @@ static int prepend_path(const struct path *path, struct path *root,
 		dentry = parent;
 	}
 
-out:
 	if (!error && !slash)
 		error = prepend(buffer, buflen, "/", 1);
 
+out:
 	br_read_unlock(vfsmount_lock);
 	return error;
 
@@ -2500,15 +2498,17 @@ global_root:
 		WARN(1, "Root dentry has weird name <%.*s>\n",
 		     (int) dentry->d_name.len, dentry->d_name.name);
 	}
-	root->mnt = vfsmnt;
-	root->dentry = dentry;
+	if (!slash)
+		error = prepend(buffer, buflen, "/", 1);
+	if (!error)
+		error = vfsmnt->mnt_ns ? 1 : 2;
 	goto out;
 }
 
 /**
  * __d_path - return the path of a dentry
  * @path: the dentry/vfsmount to report
- * @root: root vfsmnt/dentry (may be modified by this function)
+ * @root: root vfsmnt/dentry
  * @buf: buffer to return value in
  * @buflen: buffer length
  *
@@ -2519,10 +2519,10 @@ global_root:
  *
  * "buflen" should be positive.
  *
- * If path is not reachable from the supplied root, then the value of
- * root is changed (without modifying refcounts).
+ * If the path is not reachable from the supplied root, return %NULL.
  */
-char *__d_path(const struct path *path, struct path *root,
+char *__d_path(const struct path *path,
+	       const struct path *root,
 	       char *buf, int buflen)
 {
 	char *res = buf + buflen;
@@ -2533,7 +2533,28 @@ char *__d_path(const struct path *path, struct path *root,
 	error = prepend_path(path, root, &res, &buflen);
 	write_sequnlock(&rename_lock);
 
-	if (error)
+	if (error < 0)
+		return ERR_PTR(error);
+	if (error > 0)
+		return NULL;
+	return res;
+}
+
+char *d_absolute_path(const struct path *path,
+	       char *buf, int buflen)
+{
+	struct path root = {};
+	char *res = buf + buflen;
+	int error;
+
+	prepend(&res, &buflen, "\0", 1);
+	write_seqlock(&rename_lock);
+	error = prepend_path(path, &root, &res, &buflen);
+	write_sequnlock(&rename_lock);
+
+	if (error > 1)
+		error = -EINVAL;
+	if (error < 0)
 		return ERR_PTR(error);
 	return res;
 }
@@ -2541,8 +2562,9 @@ char *__d_path(const struct path *path, struct path *root,
 /*
  * same as __d_path but appends "(deleted)" for unlinked files.
  */
-static int path_with_deleted(const struct path *path, struct path *root,
-				 char **buf, int *buflen)
+static int path_with_deleted(const struct path *path,
+			     const struct path *root,
+			     char **buf, int *buflen)
 {
 	prepend(buf, buflen, "\0", 1);
 	if (d_unlinked(path->dentry)) {
@@ -2579,7 +2601,6 @@ char *d_path(const struct path *path, char *buf, int buflen)
 {
 	char *res = buf + buflen;
 	struct path root;
-	struct path tmp;
 	int error;
 
 	/*
@@ -2594,9 +2615,8 @@ char *d_path(const struct path *path, char *buf, int buflen)
 
 	get_fs_root(current->fs, &root);
 	write_seqlock(&rename_lock);
-	tmp = root;
-	error = path_with_deleted(path, &tmp, &res, &buflen);
-	if (error)
+	error = path_with_deleted(path, &root, &res, &buflen);
+	if (error < 0)
 		res = ERR_PTR(error);
 	write_sequnlock(&rename_lock);
 	path_put(&root);
@@ -2617,7 +2637,6 @@ char *d_path_with_unreachable(const struct path *path, char *buf, int buflen)
 {
 	char *res = buf + buflen;
 	struct path root;
-	struct path tmp;
 	int error;
 
 	if (path->dentry->d_op && path->dentry->d_op->d_dname)
@@ -2625,9 +2644,8 @@ char *d_path_with_unreachable(const struct path *path, char *buf, int buflen)
 
 	get_fs_root(current->fs, &root);
 	write_seqlock(&rename_lock);
-	tmp = root;
-	error = path_with_deleted(path, &tmp, &res, &buflen);
-	if (!error && !path_equal(&tmp, &root))
+	error = path_with_deleted(path, &root, &res, &buflen);
+	if (error > 0)
 		error = prepend_unreachable(&res, &buflen);
 	write_sequnlock(&rename_lock);
 	path_put(&root);
@@ -2758,19 +2776,18 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size)
 	write_seqlock(&rename_lock);
 	if (!d_unlinked(pwd.dentry)) {
 		unsigned long len;
-		struct path tmp = root;
 		char *cwd = page + PAGE_SIZE;
 		int buflen = PAGE_SIZE;
 
 		prepend(&cwd, &buflen, "\0", 1);
-		error = prepend_path(&pwd, &tmp, &cwd, &buflen);
+		error = prepend_path(&pwd, &root, &cwd, &buflen);
 		write_sequnlock(&rename_lock);
 
-		if (error)
+		if (error < 0)
 			goto out;
 
 		/* Unreachable from current root */
-		if (!path_equal(&tmp, &root)) {
+		if (error > 0) {
 			error = prepend_unreachable(&cwd, &buflen);
 			if (error)
 				goto out;
diff --git a/fs/namespace.c b/fs/namespace.c
index 6d3a1963879b..cfc6d4448aa5 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1048,15 +1048,12 @@ static int show_mountinfo(struct seq_file *m, void *v)
 	if (err)
 		goto out;
 	seq_putc(m, ' ');
-	seq_path_root(m, &mnt_path, &root, " \t\n\\");
-	if (root.mnt != p->root.mnt || root.dentry != p->root.dentry) {
-		/*
-		 * Mountpoint is outside root, discard that one.  Ugly,
-		 * but less so than trying to do that in iterator in a
-		 * race-free way (due to renames).
-		 */
-		return SEQ_SKIP;
-	}
+
+	/* mountpoints outside of chroot jail will give SEQ_SKIP on this */
+	err = seq_path_root(m, &mnt_path, &root, " \t\n\\");
+	if (err)
+		goto out;
+
 	seq_puts(m, mnt->mnt_flags & MNT_READONLY ? " ro" : " rw");
 	show_mnt_opts(m, mnt);
 
@@ -2776,3 +2773,8 @@ void kern_unmount(struct vfsmount *mnt)
 	}
 }
 EXPORT_SYMBOL(kern_unmount);
+
+bool our_mnt(struct vfsmount *mnt)
+{
+	return check_mnt(mnt);
+}
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 05d6b0e78c95..dba43c3ea3af 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -449,8 +449,6 @@ EXPORT_SYMBOL(seq_path);
 
 /*
  * Same as seq_path, but relative to supplied root.
- *
- * root may be changed, see __d_path().
  */
 int seq_path_root(struct seq_file *m, struct path *path, struct path *root,
 		  char *esc)
@@ -463,6 +461,8 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root,
 		char *p;
 
 		p = __d_path(path, root, buf, size);
+		if (!p)
+			return SEQ_SKIP;
 		res = PTR_ERR(p);
 		if (!IS_ERR(p)) {
 			char *end = mangle_path(buf, p, esc);
@@ -474,7 +474,7 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root,
 	}
 	seq_commit(m, res);
 
-	return res < 0 ? res : 0;
+	return res < 0 && res != -ENAMETOOLONG ? res : 0;
 }
 
 /*
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 4df926199369..ed9f74f6c519 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -339,7 +339,8 @@ extern int d_validate(struct dentry *, struct dentry *);
  */
 extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...);
 
-extern char *__d_path(const struct path *path, struct path *root, char *, int);
+extern char *__d_path(const struct path *, const struct path *, char *, int);
+extern char *d_absolute_path(const struct path *, char *, int);
 extern char *d_path(const struct path *, char *, int);
 extern char *d_path_with_unreachable(const struct path *, char *, int);
 extern char *dentry_path_raw(struct dentry *, char *, int);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e3130220ce3e..019dc558df1a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1942,6 +1942,7 @@ extern int fd_statfs(int, struct kstatfs *);
 extern int statfs_by_dentry(struct dentry *, struct kstatfs *);
 extern int freeze_super(struct super_block *super);
 extern int thaw_super(struct super_block *super);
+extern bool our_mnt(struct vfsmount *mnt);
 
 extern int current_umask(void);
 
diff --git a/security/apparmor/path.c b/security/apparmor/path.c
index 36cc0cc39e78..b566eba4a65c 100644
--- a/security/apparmor/path.c
+++ b/security/apparmor/path.c
@@ -57,23 +57,44 @@ static int prepend(char **buffer, int buflen, const char *str, int namelen)
 static int d_namespace_path(struct path *path, char *buf, int buflen,
 			    char **name, int flags)
 {
-	struct path root, tmp;
 	char *res;
-	int connected, error = 0;
+	int error = 0;
+	int connected = 1;
+
+	if (path->mnt->mnt_flags & MNT_INTERNAL) {
+		/* it's not mounted anywhere */
+		res = dentry_path(path->dentry, buf, buflen);
+		*name = res;
+		if (IS_ERR(res)) {
+			*name = buf;
+			return PTR_ERR(res);
+		}
+		if (path->dentry->d_sb->s_magic == PROC_SUPER_MAGIC &&
+		    strncmp(*name, "/sys/", 5) == 0) {
+			/* TODO: convert over to using a per namespace
+			 * control instead of hard coded /proc
+			 */
+			return prepend(name, *name - buf, "/proc", 5);
+		}
+		return 0;
+	}
 
-	/* Get the root we want to resolve too, released below */
+	/* resolve paths relative to chroot?*/
 	if (flags & PATH_CHROOT_REL) {
-		/* resolve paths relative to chroot */
+		struct path root;
 		get_fs_root(current->fs, &root);
-	} else {
-		/* resolve paths relative to namespace */
-		root.mnt = current->nsproxy->mnt_ns->root;
-		root.dentry = root.mnt->mnt_root;
-		path_get(&root);
+		res = __d_path(path, &root, buf, buflen);
+		if (res && !IS_ERR(res)) {
+			/* everything's fine */
+			*name = res;
+			path_put(&root);
+			goto ok;
+		}
+		path_put(&root);
+		connected = 0;
 	}
 
-	tmp = root;
-	res = __d_path(path, &tmp, buf, buflen);
+	res = d_absolute_path(path, buf, buflen);
 
 	*name = res;
 	/* handle error conditions - and still allow a partial path to
@@ -84,7 +105,10 @@ static int d_namespace_path(struct path *path, char *buf, int buflen,
 		*name = buf;
 		goto out;
 	}
+	if (!our_mnt(path->mnt))
+		connected = 0;
 
+ok:
 	/* Handle two cases:
 	 * 1. A deleted dentry && profile is not allowing mediation of deleted
 	 * 2. On some filesystems, newly allocated dentries appear to the
@@ -97,10 +121,7 @@ static int d_namespace_path(struct path *path, char *buf, int buflen,
 			goto out;
 	}
 
-	/* Determine if the path is connected to the expected root */
-	connected = tmp.dentry == root.dentry && tmp.mnt == root.mnt;
-
-	/* If the path is not connected,
+	/* If the path is not connected to the expected root,
 	 * check if it is a sysctl and handle specially else remove any
 	 * leading / that __d_path may have returned.
 	 * Unless
@@ -112,17 +133,9 @@ static int d_namespace_path(struct path *path, char *buf, int buflen,
 	 *     namespace root.
 	 */
 	if (!connected) {
-		/* is the disconnect path a sysctl? */
-		if (tmp.dentry->d_sb->s_magic == PROC_SUPER_MAGIC &&
-		    strncmp(*name, "/sys/", 5) == 0) {
-			/* TODO: convert over to using a per namespace
-			 * control instead of hard coded /proc
-			 */
-			error = prepend(name, *name - buf, "/proc", 5);
-		} else if (!(flags & PATH_CONNECT_PATH) &&
+		if (!(flags & PATH_CONNECT_PATH) &&
 			   !(((flags & CHROOT_NSCONNECT) == CHROOT_NSCONNECT) &&
-			     (tmp.mnt == current->nsproxy->mnt_ns->root &&
-			      tmp.dentry == tmp.mnt->mnt_root))) {
+			     our_mnt(path->mnt))) {
 			/* disconnected path, don't return pathname starting
 			 * with '/'
 			 */
@@ -133,8 +146,6 @@ static int d_namespace_path(struct path *path, char *buf, int buflen,
 	}
 
 out:
-	path_put(&root);
-
 	return error;
 }
 
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index 738bbdf8d4c7..36fa7c9bedc4 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -101,9 +101,8 @@ static char *tomoyo_get_absolute_path(struct path *path, char * const buffer,
 {
 	char *pos = ERR_PTR(-ENOMEM);
 	if (buflen >= 256) {
-		struct path ns_root = { };
 		/* go to whatever namespace root we are under */
-		pos = __d_path(path, &ns_root, buffer, buflen - 1);
+		pos = d_absolute_path(path, buffer, buflen - 1);
 		if (!IS_ERR(pos) && *pos == '/' && pos[1]) {
 			struct inode *inode = path->dentry->d_inode;
 			if (inode && S_ISDIR(inode->i_mode)) {
-- 
GitLab


From 7148b7999277e2794cec90d8cb47d2a238e0bd0d Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@cam.ac.uk>
Date: Fri, 11 Nov 2011 17:06:20 +0000
Subject: [PATCH 1266/1594] mtd: pxa2xx-flash.c: It used to fall back to
 provided table.

Make this work again.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/pxa2xx-flash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 411a17df9fc1..2a25b6789af4 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -98,7 +98,7 @@ static int __devinit pxa2xx_flash_probe(struct platform_device *pdev)
 	}
 	info->mtd->owner = THIS_MODULE;
 
-	mtd_device_parse_register(info->mtd, probes, 0, NULL, 0);
+	mtd_device_parse_register(info->mtd, probes, 0, flash->parts, flash->nr_parts);
 
 	platform_set_drvdata(pdev, info);
 	return 0;
-- 
GitLab


From dc87cd5c264cb587f16459285565830689ecf7a7 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 2 Dec 2011 18:15:27 -0500
Subject: [PATCH 1267/1594] drm/radeon/kms: fix return type for
 radeon_encoder_get_dp_bridge_encoder_id

Seems like something got mis-merged here.

Noticed by kallisti5 on IRC.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_encoders.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 06e413e6a920..4b27efa4405b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -233,13 +233,12 @@ u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
 		switch (radeon_encoder->encoder_id) {
 		case ENCODER_OBJECT_ID_TRAVIS:
 		case ENCODER_OBJECT_ID_NUTMEG:
-			return true;
+			return radeon_encoder->encoder_id;
 		default:
-			return false;
+			return ENCODER_OBJECT_ID_NONE;
 		}
 	}
-
-	return false;
+	return ENCODER_OBJECT_ID_NONE;
 }
 
 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
-- 
GitLab


From eb1711bb94991e93669c5a1b5f84f11be2d51ea1 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue, 6 Dec 2011 12:12:33 +0100
Subject: [PATCH 1268/1594] drm/i915: fix infinite recursion on unbind due to
 ilk vt-d w/a

The recursion loop goes retire_requests->unbind->gpu_idle->retire_reqeusts.

Every time we go through this we need a
- active object that can be retired
- and there are no other references to that object than the one from
  the active list, so that it gets unbound and freed immediately.
Otherwise the recursion stops. So the recursion is only limited by the
number of objects that fit these requirements sitting in the active list
any time retire_request is called.

Issue exercised by tests/gem_unref_active_buffers from i-g-t.

There's been a decent bikeshed discussion whether it wouldn't be
better to pass around a flag, but imo this is o.k. for such a limited
case that only supports a w/a.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42180

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Chris Wilson <chris@chris-wilson>
[ickle- we built better bikesheds, but this keeps the rain off for now]
Tested-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 8359dc777041..60ff1b63b568 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2026,8 +2026,13 @@ i915_wait_request(struct intel_ring_buffer *ring,
 	 * to handle this, the waiter on a request often wants an associated
 	 * buffer to have made it to the inactive list, and we would need
 	 * a separate wait queue to handle that.
+	 *
+	 * To avoid a recursion with the ilk VT-d workaround (that calls
+	 * gpu_idle when unbinding objects with interruptible==false) don't
+	 * retire requests in that case (because it might call unbind if the
+	 * active list holds the last reference to the object).
 	 */
-	if (ret == 0)
+	if (ret == 0 && dev_priv->mm.interruptible)
 		i915_gem_retire_requests_ring(ring);
 
 	return ret;
-- 
GitLab


From 24bb5a0ce39c51a2e2602c947f218a19e4b26d7d Mon Sep 17 00:00:00 2001
From: Thomas Meyer <thomas@m3y3r.de>
Date: Tue, 29 Nov 2011 22:08:00 +0100
Subject: [PATCH 1269/1594] vmwgfx: Use kcalloc instead of kzalloc to allocate
 array

The advantage of kcalloc is, that will prevent integer overflows which could
result from the multiplication of number of elements and size and it is also
a bit nicer to read.

The semantic patch that makes this change is available
in https://lkml.org/lkml/2011/11/25/107

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 3f6343502d1f..5ff561d4e0b4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -140,7 +140,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
 		goto out_clips;
 	}
 
-	clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+	clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
 	if (clips == NULL) {
 		DRM_ERROR("Failed to allocate clip rect list.\n");
 		ret = -ENOMEM;
@@ -232,7 +232,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
 		goto out_clips;
 	}
 
-	clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+	clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
 	if (clips == NULL) {
 		DRM_ERROR("Failed to allocate clip rect list.\n");
 		ret = -ENOMEM;
-- 
GitLab


From 71c7a97289571ef5246b7f20d60b44961144c82f Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Mon, 14 Nov 2011 04:28:59 -0300
Subject: [PATCH 1270/1594] [media] omap_vout: fix crash if no driver for a
 display

omap_vout crashes on start if a corresponding driver is not loaded for a
display device.

This patch changes omap_vout init sequence to skip devices without a
driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/omap/omap_vout.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 9c5c19f142de..2d2a136e465e 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -2169,6 +2169,14 @@ static int __init omap_vout_probe(struct platform_device *pdev)
 	vid_dev->num_displays = 0;
 	for_each_dss_dev(dssdev) {
 		omap_dss_get_device(dssdev);
+
+		if (!dssdev->driver) {
+			dev_warn(&pdev->dev, "no driver for display: %s\n",
+					dssdev->name);
+			omap_dss_put_device(dssdev);
+			continue;
+		}
+
 		vid_dev->displays[vid_dev->num_displays++] = dssdev;
 	}
 
-- 
GitLab


From 86b47c25494b824da655b95f6fdb4fdb3f17aa77 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Tue, 22 Nov 2011 16:08:21 +0200
Subject: [PATCH 1271/1594] perf: Do no try to schedule task events if there
 are none

perf_event_sched_in() shouldn't try to schedule task events if there
are none otherwise task's ctx->is_active will be set and will not be
cleared during sched_out. This will prevent newly added events from
being scheduled into the task context.

Fixes a boo-boo in commit 1d5f003f5a9 ("perf: Do not set task_ctx
pointer in cpuctx if there are no events in the context").

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111122140821.GF2557@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/events/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 600c1629b64d..d3b9df5962c2 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2174,11 +2174,11 @@ static void perf_event_context_sched_in(struct perf_event_context *ctx,
 	 */
 	cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
 
-	perf_event_sched_in(cpuctx, ctx, task);
-
 	if (ctx->nr_events)
 		cpuctx->task_ctx = ctx;
 
+	perf_event_sched_in(cpuctx, cpuctx->task_ctx, task);
+
 	perf_pmu_enable(ctx->pmu);
 	perf_ctx_unlock(cpuctx, ctx);
 
-- 
GitLab


From 68264d2a081f4032804adedb9ed9a680f7dade7e Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Wed, 7 Dec 2011 17:44:47 +0800
Subject: [PATCH 1272/1594] ASoC: Fix a typo in jive_wm8750

Fix a typo in jive_wm8750 that introduces below build error.
Also removes an unused err variable.

  CC      sound/soc/samsung/jive_wm8750.o
sound/soc/samsung/jive_wm8750.c: In function 'jive_wm8750_init':
sound/soc/samsung/jive_wm8750.c:104: warning: unused variable 'err'
sound/soc/samsung/jive_wm8750.c: At top level:
sound/soc/samsung/jive_wm8750.c:134: error: unknown field 'dapm_widgtets' specified in initializer
sound/soc/samsung/jive_wm8750.c:134: warning: initialization from incompatible pointer type
make[3]: *** [sound/soc/samsung/jive_wm8750.o] Error 1
make[2]: *** [sound/soc/samsung] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/samsung/jive_wm8750.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/samsung/jive_wm8750.c b/sound/soc/samsung/jive_wm8750.c
index 1826acf20f7c..8e523fd9189e 100644
--- a/sound/soc/samsung/jive_wm8750.c
+++ b/sound/soc/samsung/jive_wm8750.c
@@ -101,7 +101,6 @@ static int jive_wm8750_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_codec *codec = rtd->codec;
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
-	int err;
 
 	/* These endpoints are not being used. */
 	snd_soc_dapm_nc_pin(dapm, "LINPUT2");
@@ -131,7 +130,7 @@ static struct snd_soc_card snd_soc_machine_jive = {
 	.dai_link	= &jive_dai,
 	.num_links	= 1,
 
-	.dapm_widgtets	= wm8750_dapm_widgets,
+	.dapm_widgets	= wm8750_dapm_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
 	.dapm_routes	= audio_map,
 	.num_dapm_routes = ARRAY_SIZE(audio_map),
-- 
GitLab


From 974edd30beafdb136cdfc6839a143e23c826dc89 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Wed, 7 Dec 2011 17:52:19 +0800
Subject: [PATCH 1273/1594] ASoC: Include linux/module.h for smdk2443_wm9710

Include linux/module.h to fix below build error:
  CC      sound/soc/samsung/smdk2443_wm9710.o
sound/soc/samsung/smdk2443_wm9710.c:64: error: expected declaration specifiers or '...' before string constant
sound/soc/samsung/smdk2443_wm9710.c:64: warning: data definition has no type or storage class
sound/soc/samsung/smdk2443_wm9710.c:64: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
sound/soc/samsung/smdk2443_wm9710.c:64: warning: function declaration isn't a prototype
sound/soc/samsung/smdk2443_wm9710.c:65: error: expected declaration specifiers or '...' before string constant
sound/soc/samsung/smdk2443_wm9710.c:65: warning: data definition has no type or storage class
sound/soc/samsung/smdk2443_wm9710.c:65: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
sound/soc/samsung/smdk2443_wm9710.c:65: warning: function declaration isn't a prototype
sound/soc/samsung/smdk2443_wm9710.c:66: error: expected declaration specifiers or '...' before string constant
sound/soc/samsung/smdk2443_wm9710.c:66: warning: data definition has no type or storage class
sound/soc/samsung/smdk2443_wm9710.c:66: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
sound/soc/samsung/smdk2443_wm9710.c:66: warning: function declaration isn't a prototype
make[3]: *** [sound/soc/samsung/smdk2443_wm9710.o] Error 1
make[2]: *** [sound/soc/samsung] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/samsung/smdk2443_wm9710.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/samsung/smdk2443_wm9710.c b/sound/soc/samsung/smdk2443_wm9710.c
index 3a0dbfc793f0..8bd1dc5706bf 100644
--- a/sound/soc/samsung/smdk2443_wm9710.c
+++ b/sound/soc/samsung/smdk2443_wm9710.c
@@ -12,6 +12,7 @@
  *
  */
 
+#include <linux/module.h>
 #include <sound/soc.h>
 
 static struct snd_soc_card smdk2443;
-- 
GitLab


From 766ddee68bf1e4cc2cdcf73b34d243cf6e6f8ab0 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 7 Dec 2011 16:55:19 +0100
Subject: [PATCH 1274/1594] ALSA: hda/realtek - Don't create extra controls
 with channel suffix

The multiple headphone or speaker pins are usually provided to
output the same stream unlike line-out jacks (which are supposed
to be multi-channel surrounds).  Thus giving a mixer name like
"Headphone Surround" is rather confusing.  Instead, when multiple
headphone volumes are available, use index with the same "Headphone"
name.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a7d1bc4e0d09..96f5da9db5cf 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3173,7 +3173,8 @@ static int alc_auto_create_multi_out_ctls(struct hda_codec *codec,
 }
 
 static int alc_auto_create_extra_out(struct hda_codec *codec, hda_nid_t pin,
-				     hda_nid_t dac, const char *pfx)
+				     hda_nid_t dac, const char *pfx,
+				     int cidx)
 {
 	struct alc_spec *spec = codec->spec;
 	hda_nid_t sw, vol;
@@ -3189,15 +3190,15 @@ static int alc_auto_create_extra_out(struct hda_codec *codec, hda_nid_t pin,
 		if (is_ctl_used(spec->sw_ctls, val))
 			return 0; /* already created */
 		mark_ctl_usage(spec->sw_ctls, val);
-		return add_pb_sw_ctrl(spec, ALC_CTL_WIDGET_MUTE, pfx, val);
+		return __add_pb_sw_ctrl(spec, ALC_CTL_WIDGET_MUTE, pfx, cidx, val);
 	}
 
 	sw = alc_look_for_out_mute_nid(codec, pin, dac);
 	vol = alc_look_for_out_vol_nid(codec, pin, dac);
-	err = alc_auto_add_stereo_vol(codec, pfx, 0, vol);
+	err = alc_auto_add_stereo_vol(codec, pfx, cidx, vol);
 	if (err < 0)
 		return err;
-	err = alc_auto_add_stereo_sw(codec, pfx, 0, sw);
+	err = alc_auto_add_stereo_sw(codec, pfx, cidx, sw);
 	if (err < 0)
 		return err;
 	return 0;
@@ -3238,16 +3239,21 @@ static int alc_auto_create_extra_outs(struct hda_codec *codec, int num_pins,
 		hda_nid_t dac = *dacs;
 		if (!dac)
 			dac = spec->multiout.dac_nids[0];
-		return alc_auto_create_extra_out(codec, *pins, dac, pfx);
+		return alc_auto_create_extra_out(codec, *pins, dac, pfx, 0);
 	}
 
 	if (dacs[num_pins - 1]) {
 		/* OK, we have a multi-output system with individual volumes */
 		for (i = 0; i < num_pins; i++) {
-			snprintf(name, sizeof(name), "%s %s",
-				 pfx, channel_name[i]);
-			err = alc_auto_create_extra_out(codec, pins[i], dacs[i],
-							name);
+			if (num_pins >= 3) {
+				snprintf(name, sizeof(name), "%s %s",
+					 pfx, channel_name[i]);
+				err = alc_auto_create_extra_out(codec, pins[i], dacs[i],
+								name, 0);
+			} else {
+				err = alc_auto_create_extra_out(codec, pins[i], dacs[i],
+								pfx, i);
+			}
 			if (err < 0)
 				return err;
 		}
-- 
GitLab


From fbabc24619f7298626265a3f973786b471b8c29d Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 7 Dec 2011 17:14:20 +0100
Subject: [PATCH 1275/1594] ALSA: hda/realtek - Create "Bass Speaker" for two
 speaker pins

On systems with two speaker pins, the secondary speaker pin is mostly
assigned to a bass speaker instead of a surround.  Thus it makes more
sense to rename the control properly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 96f5da9db5cf..214d4f91d6af 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2631,6 +2631,8 @@ static const char *alc_get_line_out_pfx(struct alc_spec *spec, int ch,
 	case AUTO_PIN_SPEAKER_OUT:
 		if (cfg->line_outs == 1)
 			return "Speaker";
+		if (cfg->line_outs == 2)
+			return ch ? "Bass Speaker" : "Speaker";
 		break;
 	case AUTO_PIN_HP_OUT:
 		/* for multi-io case, only the primary out */
-- 
GitLab


From 0a34b42b6245ccc710be6759cded5b7fe41ea1f9 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 7 Dec 2011 17:20:30 +0100
Subject: [PATCH 1276/1594] ALSA: hda/realtek - Fix lost speaker volume
 controls

When there are the same or more number of HP pins are available, HP pins
are used as the primary outputs instead of the speaker pins.  But, in
some cases (especially with ALC663 & co), some DACs are available only
with a later pin and it's assigned to a speaker, and since the driver
parses the pins from the lower NID, such a DAC was skipped eventually
without assignments.  This resulted in a regression, the missing speaker
volume control in the new parser.

As a workaround for this, now the driver retries the pin->DAC mapping
again after restoring the speaker-pins as primary.  This is still an ad
hoc fix, but it works so far for most of Realtek codecs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 37 ++++++++++++++++++++++++++++-------
 1 file changed, 30 insertions(+), 7 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 214d4f91d6af..1d07e8fa2433 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2906,7 +2906,7 @@ static hda_nid_t alc_auto_look_for_dac(struct hda_codec *codec, hda_nid_t pin)
 		if (!nid)
 			continue;
 		if (found_in_nid_list(nid, spec->multiout.dac_nids,
-				      spec->multiout.num_dacs))
+				      ARRAY_SIZE(spec->private_dac_nids)))
 			continue;
 		if (found_in_nid_list(nid, spec->multiout.hp_out_nid,
 				      ARRAY_SIZE(spec->multiout.hp_out_nid)))
@@ -2927,6 +2927,7 @@ static hda_nid_t get_dac_if_single(struct hda_codec *codec, hda_nid_t pin)
 	return 0;
 }
 
+/* return 0 if no possible DAC is found, 1 if one or more found */
 static int alc_auto_fill_extra_dacs(struct hda_codec *codec, int num_outs,
 				    const hda_nid_t *pins, hda_nid_t *dacs)
 {
@@ -2944,7 +2945,7 @@ static int alc_auto_fill_extra_dacs(struct hda_codec *codec, int num_outs,
 		if (!dacs[i])
 			dacs[i] = alc_auto_look_for_dac(codec, pins[i]);
 	}
-	return 0;
+	return 1;
 }
 
 static int alc_auto_fill_multi_ios(struct hda_codec *codec,
@@ -2954,7 +2955,7 @@ static int alc_auto_fill_multi_ios(struct hda_codec *codec,
 static int alc_auto_fill_dac_nids(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
-	const struct auto_pin_cfg *cfg = &spec->autocfg;
+	struct auto_pin_cfg *cfg = &spec->autocfg;
 	bool redone = false;
 	int i;
 
@@ -2965,6 +2966,7 @@ static int alc_auto_fill_dac_nids(struct hda_codec *codec)
 	spec->multiout.extra_out_nid[0] = 0;
 	memset(spec->private_dac_nids, 0, sizeof(spec->private_dac_nids));
 	spec->multiout.dac_nids = spec->private_dac_nids;
+	spec->multi_ios = 0;
 
 	/* fill hard-wired DACs first */
 	if (!redone) {
@@ -2998,10 +3000,12 @@ static int alc_auto_fill_dac_nids(struct hda_codec *codec)
 	for (i = 0; i < cfg->line_outs; i++) {
 		if (spec->private_dac_nids[i])
 			spec->multiout.num_dacs++;
-		else
+		else {
 			memmove(spec->private_dac_nids + i,
 				spec->private_dac_nids + i + 1,
 				sizeof(hda_nid_t) * (cfg->line_outs - i - 1));
+			spec->private_dac_nids[cfg->line_outs - 1] = 0;
+		}
 	}
 
 	if (cfg->line_outs == 1 && cfg->line_out_type != AUTO_PIN_SPEAKER_OUT) {
@@ -3023,9 +3027,28 @@ static int alc_auto_fill_dac_nids(struct hda_codec *codec)
 	if (cfg->line_out_type != AUTO_PIN_HP_OUT)
 		alc_auto_fill_extra_dacs(codec, cfg->hp_outs, cfg->hp_pins,
 				 spec->multiout.hp_out_nid);
-	if (cfg->line_out_type != AUTO_PIN_SPEAKER_OUT)
-		alc_auto_fill_extra_dacs(codec, cfg->speaker_outs, cfg->speaker_pins,
-				 spec->multiout.extra_out_nid);
+	if (cfg->line_out_type != AUTO_PIN_SPEAKER_OUT) {
+		int err = alc_auto_fill_extra_dacs(codec, cfg->speaker_outs,
+					cfg->speaker_pins,
+					spec->multiout.extra_out_nid);
+		/* if no speaker volume is assigned, try again as the primary
+		 * output
+		 */
+		if (!err && cfg->speaker_outs > 0 &&
+		    cfg->line_out_type == AUTO_PIN_HP_OUT) {
+			cfg->hp_outs = cfg->line_outs;
+			memcpy(cfg->hp_pins, cfg->line_out_pins,
+			       sizeof(cfg->hp_pins));
+			cfg->line_outs = cfg->speaker_outs;
+			memcpy(cfg->line_out_pins, cfg->speaker_pins,
+			       sizeof(cfg->speaker_pins));
+			cfg->speaker_outs = 0;
+			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
+			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
+			redone = false;
+			goto again;
+		}
+	}
 
 	return 0;
 }
-- 
GitLab


From 77a7300abad7fe01891b400e88d746f97307ee5a Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <anton.vorontsov@linaro.org>
Date: Wed, 7 Dec 2011 03:16:26 +0400
Subject: [PATCH 1277/1594] of/irq: Get rid of NO_IRQ usage

PPC32/64 defines NO_IRQ to zero, so no problems expected.
ARM defines NO_IRQ to -1, but OF code relies on IRQ domains support,
which returns correct ('0') value in 'no irq' case. So everything
should be fine.

Other arches might break if some of their OF drivers rely on NO_IRQ
being not 0. If so, the drivers must be fixed, finally.

[ Rob Herring points out that microblaze should be fixed, and has posted
  a patch for testing for that.   - Linus ]

Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/of/irq.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 19c0115092dd..0f0cfa3bca30 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -26,11 +26,6 @@
 #include <linux/string.h>
 #include <linux/slab.h>
 
-/* For archs that don't support NO_IRQ (such as x86), provide a dummy value */
-#ifndef NO_IRQ
-#define NO_IRQ 0
-#endif
-
 /**
  * irq_of_parse_and_map - Parse and map an interrupt into linux virq space
  * @device: Device node of the device whose interrupt is to be mapped
@@ -44,7 +39,7 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
 	struct of_irq oirq;
 
 	if (of_irq_map_one(dev, index, &oirq))
-		return NO_IRQ;
+		return 0;
 
 	return irq_create_of_mapping(oirq.controller, oirq.specifier,
 				     oirq.size);
@@ -345,7 +340,7 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
 
 	/* Only dereference the resource if both the
 	 * resource and the irq are valid. */
-	if (r && irq != NO_IRQ) {
+	if (r && irq) {
 		r->start = r->end = irq;
 		r->flags = IORESOURCE_IRQ;
 		r->name = dev->full_name;
@@ -363,7 +358,7 @@ int of_irq_count(struct device_node *dev)
 {
 	int nr = 0;
 
-	while (of_irq_to_resource(dev, nr, NULL) != NO_IRQ)
+	while (of_irq_to_resource(dev, nr, NULL))
 		nr++;
 
 	return nr;
@@ -383,7 +378,7 @@ int of_irq_to_resource_table(struct device_node *dev, struct resource *res,
 	int i;
 
 	for (i = 0; i < nr_irqs; i++, res++)
-		if (of_irq_to_resource(dev, i, res) == NO_IRQ)
+		if (!of_irq_to_resource(dev, i, res))
 			break;
 
 	return i;
-- 
GitLab


From 43af940c54d712ab5e6d6798a82498b25c2af299 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Mon, 5 Dec 2011 05:01:15 +0000
Subject: [PATCH 1278/1594] net/fec: fix the use of pdev->id

The pdev->id is used in several places for different purpose.  All
these uses assume it's always the id of fec device which is >= 0.
However this is only true for non-DT case.  When DT plays, pdev->id
is always -1, which will break these pdev->id users.

Instead of fixing all these users one by one, this patch introduces
a new member 'dev_id' to 'struct fec_enet_private' for holding the
correct fec device id, and replaces all the existing uses of pdev->id
with this dev_id.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/freescale/fec.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index 1124ce0a1594..c136230d50bb 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -232,6 +232,7 @@ struct fec_enet_private {
 	struct	platform_device *pdev;
 
 	int	opened;
+	int	dev_id;
 
 	/* Phylib and MDIO interface */
 	struct	mii_bus *mii_bus;
@@ -837,7 +838,7 @@ static void __inline__ fec_get_mac(struct net_device *ndev)
 
 	/* Adjust MAC if using macaddr */
 	if (iap == macaddr)
-		 ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->pdev->id;
+		 ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->dev_id;
 }
 
 /* ------------------------------------------------------------------------- */
@@ -953,7 +954,7 @@ static int fec_enet_mii_probe(struct net_device *ndev)
 	char mdio_bus_id[MII_BUS_ID_SIZE];
 	char phy_name[MII_BUS_ID_SIZE + 3];
 	int phy_id;
-	int dev_id = fep->pdev->id;
+	int dev_id = fep->dev_id;
 
 	fep->phy_dev = NULL;
 
@@ -1031,7 +1032,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 	 * mdio interface in board design, and need to be configured by
 	 * fec0 mii_bus.
 	 */
-	if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && pdev->id > 0) {
+	if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) {
 		/* fec1 uses fec0 mii_bus */
 		fep->mii_bus = fec0_mii_bus;
 		return 0;
@@ -1063,7 +1064,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
 	fep->mii_bus->read = fec_enet_mdio_read;
 	fep->mii_bus->write = fec_enet_mdio_write;
 	fep->mii_bus->reset = fec_enet_mdio_reset;
-	snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id + 1);
+	snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", fep->dev_id + 1);
 	fep->mii_bus->priv = fep;
 	fep->mii_bus->parent = &pdev->dev;
 
@@ -1521,6 +1522,7 @@ fec_probe(struct platform_device *pdev)
 	int i, irq, ret = 0;
 	struct resource *r;
 	const struct of_device_id *of_id;
+	static int dev_id;
 
 	of_id = of_match_device(fec_dt_ids, &pdev->dev);
 	if (of_id)
@@ -1548,6 +1550,7 @@ fec_probe(struct platform_device *pdev)
 
 	fep->hwp = ioremap(r->start, resource_size(r));
 	fep->pdev = pdev;
+	fep->dev_id = dev_id++;
 
 	if (!fep->hwp) {
 		ret = -ENOMEM;
-- 
GitLab


From a454daceb78844a09c08b6e2d8badcb76a5d73b9 Mon Sep 17 00:00:00 2001
From: Djalal Harouni <tixxdz@opendz.org>
Date: Tue, 6 Dec 2011 15:47:12 +0000
Subject: [PATCH 1279/1594] ppp: fix pptp double release_sock in pptp_bind()

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ppp/pptp.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 89f829f5f725..f8a6853b692e 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -423,10 +423,8 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr,
 	lock_sock(sk);
 
 	opt->src_addr = sp->sa_addr.pptp;
-	if (add_chan(po)) {
-		release_sock(sk);
+	if (add_chan(po))
 		error = -EBUSY;
-	}
 
 	release_sock(sk);
 	return error;
-- 
GitLab


From 81e759fbf7715514c32e563789db1d9d47fd55fb Mon Sep 17 00:00:00 2001
From: Josh Durgin <josh.durgin@dreamhost.com>
Date: Tue, 15 Nov 2011 14:49:53 -0800
Subject: [PATCH 1280/1594] rbd: return an error when an invalid header is read

This protects against opening future rbd images that have incompatible format changes.

Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
---
 drivers/block/rbd.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 65cc424359b0..a828c6a276a8 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -461,6 +461,10 @@ static int rbd_header_from_disk(struct rbd_image_header *header,
 	u32 snap_count = le32_to_cpu(ondisk->snap_count);
 	int ret = -ENOMEM;
 
+	if (memcmp(ondisk, RBD_HEADER_TEXT, sizeof(RBD_HEADER_TEXT))) {
+		return -ENXIO;
+	}
+
 	init_rwsem(&header->snap_rwsem);
 	header->snap_names_len = le64_to_cpu(ondisk->snap_names_len);
 	header->snapc = kmalloc(sizeof(struct ceph_snap_context) +
@@ -1610,8 +1614,13 @@ static int rbd_read_header(struct rbd_device *rbd_dev,
 			goto out_dh;
 
 		rc = rbd_header_from_disk(header, dh, snap_count, GFP_KERNEL);
-		if (rc < 0)
+		if (rc < 0) {
+			if (rc == -ENXIO) {
+				pr_warning("unrecognized header format"
+					   " for image %s", rbd_dev->obj);
+			}
 			goto out_dh;
+		}
 
 		if (snap_count != header->total_snaps) {
 			snap_count = header->total_snaps;
-- 
GitLab


From 51703306b3b9ea7c05728040998521e47358147b Mon Sep 17 00:00:00 2001
From: Josh Durgin <josh.durgin@dreamhost.com>
Date: Mon, 24 Oct 2011 16:28:27 -0700
Subject: [PATCH 1281/1594] rbd: remove buggy rollback functionality

This doesn't interact with resizing well, since it doesn't set the
size of the device to the size at the snapshot. It's also an expensive
operation to be synchronous. Rollback can still be done with the
userspace rbd tool.

Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
---
 Documentation/ABI/testing/sysfs-bus-rbd |  7 --
 drivers/block/rbd.c                     | 90 -------------------------
 2 files changed, 97 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-rbd b/Documentation/ABI/testing/sysfs-bus-rbd
index fa72ccb2282e..dbedafb095e2 100644
--- a/Documentation/ABI/testing/sysfs-bus-rbd
+++ b/Documentation/ABI/testing/sysfs-bus-rbd
@@ -57,13 +57,6 @@ create_snap
 
 	 $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_create
 
-rollback_snap
-
-	Rolls back data to the specified snapshot. This goes over the entire
-	list of rados blocks and sends a rollback command to each.
-
-	 $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_rollback
-
 snap_*
 
 	A directory per each snapshot
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index a828c6a276a8..148ab944378d 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -183,10 +183,6 @@ static LIST_HEAD(rbd_client_list);      /* clients */
 
 static int __rbd_init_snaps_header(struct rbd_device *rbd_dev);
 static void rbd_dev_release(struct device *dev);
-static ssize_t rbd_snap_rollback(struct device *dev,
-				 struct device_attribute *attr,
-				 const char *buf,
-				 size_t size);
 static ssize_t rbd_snap_add(struct device *dev,
 			    struct device_attribute *attr,
 			    const char *buf,
@@ -1359,32 +1355,6 @@ fail:
 	return ret;
 }
 
-/*
- * Request sync osd rollback
- */
-static int rbd_req_sync_rollback_obj(struct rbd_device *dev,
-				     u64 snapid,
-				     const char *obj)
-{
-	struct ceph_osd_req_op *ops;
-	int ret = rbd_create_rw_ops(&ops, 1, CEPH_OSD_OP_ROLLBACK, 0);
-	if (ret < 0)
-		return ret;
-
-	ops[0].snap.snapid = snapid;
-
-	ret = rbd_req_sync_op(dev, NULL,
-			       CEPH_NOSNAP,
-			       0,
-			       CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK,
-			       ops,
-			       1, obj, 0, 0, NULL, NULL, NULL);
-
-	rbd_destroy_ops(ops);
-
-	return ret;
-}
-
 /*
  * Request sync osd read
  */
@@ -1891,7 +1861,6 @@ static DEVICE_ATTR(name, S_IRUGO, rbd_name_show, NULL);
 static DEVICE_ATTR(refresh, S_IWUSR, NULL, rbd_image_refresh);
 static DEVICE_ATTR(current_snap, S_IRUGO, rbd_snap_show, NULL);
 static DEVICE_ATTR(create_snap, S_IWUSR, NULL, rbd_snap_add);
-static DEVICE_ATTR(rollback_snap, S_IWUSR, NULL, rbd_snap_rollback);
 
 static struct attribute *rbd_attrs[] = {
 	&dev_attr_size.attr,
@@ -1902,7 +1871,6 @@ static struct attribute *rbd_attrs[] = {
 	&dev_attr_current_snap.attr,
 	&dev_attr_refresh.attr,
 	&dev_attr_create_snap.attr,
-	&dev_attr_rollback_snap.attr,
 	NULL
 };
 
@@ -2433,64 +2401,6 @@ err_unlock:
 	return ret;
 }
 
-static ssize_t rbd_snap_rollback(struct device *dev,
-				 struct device_attribute *attr,
-				 const char *buf,
-				 size_t count)
-{
-	struct rbd_device *rbd_dev = dev_to_rbd(dev);
-	int ret;
-	u64 snapid;
-	u64 cur_ofs;
-	char *seg_name = NULL;
-	char *snap_name = kmalloc(count + 1, GFP_KERNEL);
-	ret = -ENOMEM;
-	if (!snap_name)
-		return ret;
-
-	/* parse snaps add command */
-	snprintf(snap_name, count, "%s", buf);
-	seg_name = kmalloc(RBD_MAX_SEG_NAME_LEN + 1, GFP_NOIO);
-	if (!seg_name)
-		goto done;
-
-	mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
-
-	ret = snap_by_name(&rbd_dev->header, snap_name, &snapid, NULL);
-	if (ret < 0)
-		goto done_unlock;
-
-	dout("snapid=%lld\n", snapid);
-
-	cur_ofs = 0;
-	while (cur_ofs < rbd_dev->header.image_size) {
-		cur_ofs += rbd_get_segment(&rbd_dev->header,
-					   rbd_dev->obj,
-					   cur_ofs, (u64)-1,
-					   seg_name, NULL);
-		dout("seg_name=%s\n", seg_name);
-
-		ret = rbd_req_sync_rollback_obj(rbd_dev, snapid, seg_name);
-		if (ret < 0)
-			pr_warning("could not roll back obj %s err=%d\n",
-				   seg_name, ret);
-	}
-
-	ret = __rbd_update_snaps(rbd_dev);
-	if (ret < 0)
-		goto done_unlock;
-
-	ret = count;
-
-done_unlock:
-	mutex_unlock(&ctl_mutex);
-done:
-	kfree(seg_name);
-	kfree(snap_name);
-
-	return ret;
-}
-
 static struct bus_attribute rbd_bus_attrs[] = {
 	__ATTR(add, S_IWUSR, NULL, rbd_add),
 	__ATTR(remove, S_IWUSR, NULL, rbd_remove),
-- 
GitLab


From be655596b3de5873f994ddbe205751a5ffb4de39 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 30 Nov 2011 09:47:09 -0800
Subject: [PATCH 1282/1594] ceph: use i_ceph_lock instead of i_lock

We have been using i_lock to protect all kinds of data structures in the
ceph_inode_info struct, including lists of inodes that we need to iterate
over while avoiding races with inode destruction.  That requires grabbing
a reference to the inode with the list lock protected, but igrab() now
takes i_lock to check the inode flags.

Changing the list lock ordering would be a painful process.

However, using a ceph-specific i_ceph_lock in the ceph inode instead of
i_lock is a simple mechanical change and avoids the ordering constraints
imposed by igrab().

Reported-by: Amon Ott <a.ott@m-privacy.de>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/addr.c       |   8 +-
 fs/ceph/caps.c       | 187 ++++++++++++++++++++++---------------------
 fs/ceph/dir.c        |  24 +++---
 fs/ceph/file.c       |  20 ++---
 fs/ceph/inode.c      |  53 ++++++------
 fs/ceph/ioctl.c      |   4 +-
 fs/ceph/mds_client.c |  32 ++++----
 fs/ceph/mds_client.h |   2 +-
 fs/ceph/snap.c       |  16 ++--
 fs/ceph/super.h      |  31 +++----
 fs/ceph/xattr.c      |  42 +++++-----
 11 files changed, 212 insertions(+), 207 deletions(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 4144caf2f9d3..173b1d22e59b 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -87,7 +87,7 @@ static int ceph_set_page_dirty(struct page *page)
 	snapc = ceph_get_snap_context(ci->i_snap_realm->cached_context);
 
 	/* dirty the head */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_head_snapc == NULL)
 		ci->i_head_snapc = ceph_get_snap_context(snapc);
 	++ci->i_wrbuffer_ref_head;
@@ -100,7 +100,7 @@ static int ceph_set_page_dirty(struct page *page)
 	     ci->i_wrbuffer_ref-1, ci->i_wrbuffer_ref_head-1,
 	     ci->i_wrbuffer_ref, ci->i_wrbuffer_ref_head,
 	     snapc, snapc->seq, snapc->num_snaps);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	/* now adjust page */
 	spin_lock_irq(&mapping->tree_lock);
@@ -391,7 +391,7 @@ static struct ceph_snap_context *get_oldest_context(struct inode *inode,
 	struct ceph_snap_context *snapc = NULL;
 	struct ceph_cap_snap *capsnap = NULL;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
 		dout(" cap_snap %p snapc %p has %d dirty pages\n", capsnap,
 		     capsnap->context, capsnap->dirty_pages);
@@ -407,7 +407,7 @@ static struct ceph_snap_context *get_oldest_context(struct inode *inode,
 		dout(" head snapc %p has %d dirty pages\n",
 		     snapc, ci->i_wrbuffer_ref_head);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return snapc;
 }
 
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 0f327c6c9679..8b53193e4f7c 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -309,7 +309,7 @@ void ceph_reservation_status(struct ceph_fs_client *fsc,
 /*
  * Find ceph_cap for given mds, if any.
  *
- * Called with i_lock held.
+ * Called with i_ceph_lock held.
  */
 static struct ceph_cap *__get_cap_for_mds(struct ceph_inode_info *ci, int mds)
 {
@@ -332,9 +332,9 @@ struct ceph_cap *ceph_get_cap_for_mds(struct ceph_inode_info *ci, int mds)
 {
 	struct ceph_cap *cap;
 
-	spin_lock(&ci->vfs_inode.i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = __get_cap_for_mds(ci, mds);
-	spin_unlock(&ci->vfs_inode.i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return cap;
 }
 
@@ -361,15 +361,16 @@ static int __ceph_get_cap_mds(struct ceph_inode_info *ci)
 
 int ceph_get_cap_mds(struct inode *inode)
 {
+	struct ceph_inode_info *ci = ceph_inode(inode);
 	int mds;
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	mds = __ceph_get_cap_mds(ceph_inode(inode));
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return mds;
 }
 
 /*
- * Called under i_lock.
+ * Called under i_ceph_lock.
  */
 static void __insert_cap_node(struct ceph_inode_info *ci,
 			      struct ceph_cap *new)
@@ -415,7 +416,7 @@ static void __cap_set_timeouts(struct ceph_mds_client *mdsc,
  *
  * If I_FLUSH is set, leave the inode at the front of the list.
  *
- * Caller holds i_lock
+ * Caller holds i_ceph_lock
  *    -> we take mdsc->cap_delay_lock
  */
 static void __cap_delay_requeue(struct ceph_mds_client *mdsc,
@@ -457,7 +458,7 @@ static void __cap_delay_requeue_front(struct ceph_mds_client *mdsc,
 /*
  * Cancel delayed work on cap.
  *
- * Caller must hold i_lock.
+ * Caller must hold i_ceph_lock.
  */
 static void __cap_delay_cancel(struct ceph_mds_client *mdsc,
 			       struct ceph_inode_info *ci)
@@ -532,14 +533,14 @@ int ceph_add_cap(struct inode *inode,
 		wanted |= ceph_caps_for_mode(fmode);
 
 retry:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = __get_cap_for_mds(ci, mds);
 	if (!cap) {
 		if (new_cap) {
 			cap = new_cap;
 			new_cap = NULL;
 		} else {
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			new_cap = get_cap(mdsc, caps_reservation);
 			if (new_cap == NULL)
 				return -ENOMEM;
@@ -625,7 +626,7 @@ retry:
 
 	if (fmode >= 0)
 		__ceph_get_fmode(ci, fmode);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	wake_up_all(&ci->i_cap_wq);
 	return 0;
 }
@@ -792,7 +793,7 @@ int ceph_caps_revoking(struct ceph_inode_info *ci, int mask)
 	struct rb_node *p;
 	int ret = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
 		cap = rb_entry(p, struct ceph_cap, ci_node);
 		if (__cap_is_valid(cap) &&
@@ -801,7 +802,7 @@ int ceph_caps_revoking(struct ceph_inode_info *ci, int mask)
 			break;
 		}
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	dout("ceph_caps_revoking %p %s = %d\n", inode,
 	     ceph_cap_string(mask), ret);
 	return ret;
@@ -855,7 +856,7 @@ int __ceph_caps_mds_wanted(struct ceph_inode_info *ci)
 }
 
 /*
- * called under i_lock
+ * called under i_ceph_lock
  */
 static int __ceph_is_any_caps(struct ceph_inode_info *ci)
 {
@@ -865,7 +866,7 @@ static int __ceph_is_any_caps(struct ceph_inode_info *ci)
 /*
  * Remove a cap.  Take steps to deal with a racing iterate_session_caps.
  *
- * caller should hold i_lock.
+ * caller should hold i_ceph_lock.
  * caller will not hold session s_mutex if called from destroy_inode.
  */
 void __ceph_remove_cap(struct ceph_cap *cap)
@@ -1028,7 +1029,7 @@ static void __queue_cap_release(struct ceph_mds_session *session,
 
 /*
  * Queue cap releases when an inode is dropped from our cache.  Since
- * inode is about to be destroyed, there is no need for i_lock.
+ * inode is about to be destroyed, there is no need for i_ceph_lock.
  */
 void ceph_queue_caps_release(struct inode *inode)
 {
@@ -1049,7 +1050,7 @@ void ceph_queue_caps_release(struct inode *inode)
 
 /*
  * Send a cap msg on the given inode.  Update our caps state, then
- * drop i_lock and send the message.
+ * drop i_ceph_lock and send the message.
  *
  * Make note of max_size reported/requested from mds, revoked caps
  * that have now been implemented.
@@ -1061,13 +1062,13 @@ void ceph_queue_caps_release(struct inode *inode)
  * Return non-zero if delayed release, or we experienced an error
  * such that the caller should requeue + retry later.
  *
- * called with i_lock, then drops it.
+ * called with i_ceph_lock, then drops it.
  * caller should hold snap_rwsem (read), s_mutex.
  */
 static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
 		      int op, int used, int want, int retain, int flushing,
 		      unsigned *pflush_tid)
-	__releases(cap->ci->vfs_inode->i_lock)
+	__releases(cap->ci->i_ceph_lock)
 {
 	struct ceph_inode_info *ci = cap->ci;
 	struct inode *inode = &ci->vfs_inode;
@@ -1170,7 +1171,7 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
 		xattr_version = ci->i_xattrs.version;
 	}
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	ret = send_cap_msg(session, ceph_vino(inode).ino, cap_id,
 		op, keep, want, flushing, seq, flush_tid, issue_seq, mseq,
@@ -1198,13 +1199,13 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
  * Unless @again is true, skip cap_snaps that were already sent to
  * the MDS (i.e., during this session).
  *
- * Called under i_lock.  Takes s_mutex as needed.
+ * Called under i_ceph_lock.  Takes s_mutex as needed.
  */
 void __ceph_flush_snaps(struct ceph_inode_info *ci,
 			struct ceph_mds_session **psession,
 			int again)
-		__releases(ci->vfs_inode->i_lock)
-		__acquires(ci->vfs_inode->i_lock)
+		__releases(ci->i_ceph_lock)
+		__acquires(ci->i_ceph_lock)
 {
 	struct inode *inode = &ci->vfs_inode;
 	int mds;
@@ -1261,7 +1262,7 @@ retry:
 			session = NULL;
 		}
 		if (!session) {
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			mutex_lock(&mdsc->mutex);
 			session = __ceph_lookup_mds_session(mdsc, mds);
 			mutex_unlock(&mdsc->mutex);
@@ -1275,7 +1276,7 @@ retry:
 			 * deletion or migration.  retry, and we'll
 			 * get a better @mds value next time.
 			 */
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			goto retry;
 		}
 
@@ -1285,7 +1286,7 @@ retry:
 			list_del_init(&capsnap->flushing_item);
 		list_add_tail(&capsnap->flushing_item,
 			      &session->s_cap_snaps_flushing);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 
 		dout("flush_snaps %p cap_snap %p follows %lld tid %llu\n",
 		     inode, capsnap, capsnap->follows, capsnap->flush_tid);
@@ -1302,7 +1303,7 @@ retry:
 		next_follows = capsnap->follows + 1;
 		ceph_put_cap_snap(capsnap);
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		goto retry;
 	}
 
@@ -1322,11 +1323,9 @@ out:
 
 static void ceph_flush_snaps(struct ceph_inode_info *ci)
 {
-	struct inode *inode = &ci->vfs_inode;
-
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	__ceph_flush_snaps(ci, NULL, 0);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -1373,7 +1372,7 @@ int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
  * Add dirty inode to the flushing list.  Assigned a seq number so we
  * can wait for caps to flush without starving.
  *
- * Called under i_lock.
+ * Called under i_ceph_lock.
  */
 static int __mark_caps_flushing(struct inode *inode,
 				 struct ceph_mds_session *session)
@@ -1421,9 +1420,9 @@ static int try_nonblocking_invalidate(struct inode *inode)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	u32 invalidating_gen = ci->i_rdcache_gen;
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	invalidate_mapping_pages(&inode->i_data, 0, -1);
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	if (inode->i_data.nrpages == 0 &&
 	    invalidating_gen == ci->i_rdcache_gen) {
@@ -1470,7 +1469,7 @@ void ceph_check_caps(struct ceph_inode_info *ci, int flags,
 	if (mdsc->stopping)
 		is_delayed = 1;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	if (ci->i_ceph_flags & CEPH_I_FLUSH)
 		flags |= CHECK_CAPS_FLUSH;
@@ -1480,7 +1479,7 @@ void ceph_check_caps(struct ceph_inode_info *ci, int flags,
 		__ceph_flush_snaps(ci, &session, 0);
 	goto retry_locked;
 retry:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 retry_locked:
 	file_wanted = __ceph_caps_file_wanted(ci);
 	used = __ceph_caps_used(ci);
@@ -1634,7 +1633,7 @@ ack:
 			if (mutex_trylock(&session->s_mutex) == 0) {
 				dout("inverting session/ino locks on %p\n",
 				     session);
-				spin_unlock(&inode->i_lock);
+				spin_unlock(&ci->i_ceph_lock);
 				if (took_snap_rwsem) {
 					up_read(&mdsc->snap_rwsem);
 					took_snap_rwsem = 0;
@@ -1648,7 +1647,7 @@ ack:
 			if (down_read_trylock(&mdsc->snap_rwsem) == 0) {
 				dout("inverting snap/in locks on %p\n",
 				     inode);
-				spin_unlock(&inode->i_lock);
+				spin_unlock(&ci->i_ceph_lock);
 				down_read(&mdsc->snap_rwsem);
 				took_snap_rwsem = 1;
 				goto retry;
@@ -1664,10 +1663,10 @@ ack:
 		mds = cap->mds;  /* remember mds, so we don't repeat */
 		sent++;
 
-		/* __send_cap drops i_lock */
+		/* __send_cap drops i_ceph_lock */
 		delayed += __send_cap(mdsc, cap, CEPH_CAP_OP_UPDATE, used, want,
 				      retain, flushing, NULL);
-		goto retry; /* retake i_lock and restart our cap scan. */
+		goto retry; /* retake i_ceph_lock and restart our cap scan. */
 	}
 
 	/*
@@ -1681,7 +1680,7 @@ ack:
 	else if (!is_delayed || force_requeue)
 		__cap_delay_requeue(mdsc, ci);
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (queue_invalidate)
 		ceph_queue_invalidate(inode);
@@ -1704,7 +1703,7 @@ static int try_flush_caps(struct inode *inode, struct ceph_mds_session *session,
 	int flushing = 0;
 
 retry:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_ceph_flags & CEPH_I_NOFLUSH) {
 		dout("try_flush_caps skipping %p I_NOFLUSH set\n", inode);
 		goto out;
@@ -1716,7 +1715,7 @@ retry:
 		int delayed;
 
 		if (!session) {
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			session = cap->session;
 			mutex_lock(&session->s_mutex);
 			goto retry;
@@ -1727,18 +1726,18 @@ retry:
 
 		flushing = __mark_caps_flushing(inode, session);
 
-		/* __send_cap drops i_lock */
+		/* __send_cap drops i_ceph_lock */
 		delayed = __send_cap(mdsc, cap, CEPH_CAP_OP_FLUSH, used, want,
 				     cap->issued | cap->implemented, flushing,
 				     flush_tid);
 		if (!delayed)
 			goto out_unlocked;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		__cap_delay_requeue(mdsc, ci);
 	}
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 out_unlocked:
 	if (session && unlock_session)
 		mutex_unlock(&session->s_mutex);
@@ -1753,7 +1752,7 @@ static int caps_are_flushed(struct inode *inode, unsigned tid)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int i, ret = 1;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	for (i = 0; i < CEPH_CAP_BITS; i++)
 		if ((ci->i_flushing_caps & (1 << i)) &&
 		    ci->i_cap_flush_tid[i] <= tid) {
@@ -1761,7 +1760,7 @@ static int caps_are_flushed(struct inode *inode, unsigned tid)
 			ret = 0;
 			break;
 		}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return ret;
 }
 
@@ -1868,10 +1867,10 @@ int ceph_write_inode(struct inode *inode, struct writeback_control *wbc)
 		struct ceph_mds_client *mdsc =
 			ceph_sb_to_client(inode->i_sb)->mdsc;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		if (__ceph_caps_dirty(ci))
 			__cap_delay_requeue_front(mdsc, ci);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 	return err;
 }
@@ -1894,7 +1893,7 @@ static void kick_flushing_capsnaps(struct ceph_mds_client *mdsc,
 		struct inode *inode = &ci->vfs_inode;
 		struct ceph_cap *cap;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		cap = ci->i_auth_cap;
 		if (cap && cap->session == session) {
 			dout("kick_flushing_caps %p cap %p capsnap %p\n", inode,
@@ -1904,7 +1903,7 @@ static void kick_flushing_capsnaps(struct ceph_mds_client *mdsc,
 			pr_err("%p auth cap %p not mds%d ???\n", inode,
 			       cap, session->s_mds);
 		}
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 }
 
@@ -1921,7 +1920,7 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
 		struct ceph_cap *cap;
 		int delayed = 0;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		cap = ci->i_auth_cap;
 		if (cap && cap->session == session) {
 			dout("kick_flushing_caps %p cap %p %s\n", inode,
@@ -1932,14 +1931,14 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
 					     cap->issued | cap->implemented,
 					     ci->i_flushing_caps, NULL);
 			if (delayed) {
-				spin_lock(&inode->i_lock);
+				spin_lock(&ci->i_ceph_lock);
 				__cap_delay_requeue(mdsc, ci);
-				spin_unlock(&inode->i_lock);
+				spin_unlock(&ci->i_ceph_lock);
 			}
 		} else {
 			pr_err("%p auth cap %p not mds%d ???\n", inode,
 			       cap, session->s_mds);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 		}
 	}
 }
@@ -1952,7 +1951,7 @@ static void kick_flushing_inode_caps(struct ceph_mds_client *mdsc,
 	struct ceph_cap *cap;
 	int delayed = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = ci->i_auth_cap;
 	dout("kick_flushing_inode_caps %p flushing %s flush_seq %lld\n", inode,
 	     ceph_cap_string(ci->i_flushing_caps), ci->i_cap_flush_seq);
@@ -1964,12 +1963,12 @@ static void kick_flushing_inode_caps(struct ceph_mds_client *mdsc,
 				     cap->issued | cap->implemented,
 				     ci->i_flushing_caps, NULL);
 		if (delayed) {
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			__cap_delay_requeue(mdsc, ci);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 		}
 	} else {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 }
 
@@ -1978,7 +1977,7 @@ static void kick_flushing_inode_caps(struct ceph_mds_client *mdsc,
  * Take references to capabilities we hold, so that we don't release
  * them to the MDS prematurely.
  *
- * Protected by i_lock.
+ * Protected by i_ceph_lock.
  */
 static void __take_cap_refs(struct ceph_inode_info *ci, int got)
 {
@@ -2016,7 +2015,7 @@ static int try_get_cap_refs(struct ceph_inode_info *ci, int need, int want,
 
 	dout("get_cap_refs %p need %s want %s\n", inode,
 	     ceph_cap_string(need), ceph_cap_string(want));
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	/* make sure file is actually open */
 	file_wanted = __ceph_caps_file_wanted(ci);
@@ -2077,7 +2076,7 @@ static int try_get_cap_refs(struct ceph_inode_info *ci, int need, int want,
 		     ceph_cap_string(have), ceph_cap_string(need));
 	}
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	dout("get_cap_refs %p ret %d got %s\n", inode,
 	     ret, ceph_cap_string(*got));
 	return ret;
@@ -2094,7 +2093,7 @@ static void check_max_size(struct inode *inode, loff_t endoff)
 	int check = 0;
 
 	/* do we need to explicitly request a larger max_size? */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if ((endoff >= ci->i_max_size ||
 	     endoff > (inode->i_size << 1)) &&
 	    endoff > ci->i_wanted_max_size) {
@@ -2103,7 +2102,7 @@ static void check_max_size(struct inode *inode, loff_t endoff)
 		ci->i_wanted_max_size = endoff;
 		check = 1;
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (check)
 		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
 }
@@ -2140,9 +2139,9 @@ retry:
  */
 void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps)
 {
-	spin_lock(&ci->vfs_inode.i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	__take_cap_refs(ci, caps);
-	spin_unlock(&ci->vfs_inode.i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -2160,7 +2159,7 @@ void ceph_put_cap_refs(struct ceph_inode_info *ci, int had)
 	int last = 0, put = 0, flushsnaps = 0, wake = 0;
 	struct ceph_cap_snap *capsnap;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (had & CEPH_CAP_PIN)
 		--ci->i_pin_ref;
 	if (had & CEPH_CAP_FILE_RD)
@@ -2193,7 +2192,7 @@ void ceph_put_cap_refs(struct ceph_inode_info *ci, int had)
 				}
 			}
 		}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	dout("put_cap_refs %p had %s%s%s\n", inode, ceph_cap_string(had),
 	     last ? " last" : "", put ? " put" : "");
@@ -2225,7 +2224,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
 	int found = 0;
 	struct ceph_cap_snap *capsnap = NULL;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_wrbuffer_ref -= nr;
 	last = !ci->i_wrbuffer_ref;
 
@@ -2274,7 +2273,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
 		}
 	}
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (last) {
 		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
@@ -2291,7 +2290,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
  * Handle a cap GRANT message from the MDS.  (Note that a GRANT may
  * actually be a revocation if it specifies a smaller cap set.)
  *
- * caller holds s_mutex and i_lock, we drop both.
+ * caller holds s_mutex and i_ceph_lock, we drop both.
  *
  * return value:
  *  0 - ok
@@ -2302,7 +2301,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
 			     struct ceph_mds_session *session,
 			     struct ceph_cap *cap,
 			     struct ceph_buffer *xattr_buf)
-		__releases(inode->i_lock)
+		__releases(ci->i_ceph_lock)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int mds = session->s_mds;
@@ -2453,7 +2452,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
 	}
 	BUG_ON(cap->issued & ~cap->implemented);
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (writeback)
 		/*
 		 * queue inode for writeback: we can't actually call
@@ -2483,7 +2482,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
 				 struct ceph_mds_caps *m,
 				 struct ceph_mds_session *session,
 				 struct ceph_cap *cap)
-	__releases(inode->i_lock)
+	__releases(ci->i_ceph_lock)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
@@ -2539,7 +2538,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
 	wake_up_all(&ci->i_cap_wq);
 
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (drop)
 		iput(inode);
 }
@@ -2562,7 +2561,7 @@ static void handle_cap_flushsnap_ack(struct inode *inode, u64 flush_tid,
 	dout("handle_cap_flushsnap_ack inode %p ci %p mds%d follows %lld\n",
 	     inode, ci, session->s_mds, follows);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
 		if (capsnap->follows == follows) {
 			if (capsnap->flush_tid != flush_tid) {
@@ -2585,7 +2584,7 @@ static void handle_cap_flushsnap_ack(struct inode *inode, u64 flush_tid,
 			     capsnap, capsnap->follows);
 		}
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (drop)
 		iput(inode);
 }
@@ -2598,7 +2597,7 @@ static void handle_cap_flushsnap_ack(struct inode *inode, u64 flush_tid,
 static void handle_cap_trunc(struct inode *inode,
 			     struct ceph_mds_caps *trunc,
 			     struct ceph_mds_session *session)
-	__releases(inode->i_lock)
+	__releases(ci->i_ceph_lock)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int mds = session->s_mds;
@@ -2617,7 +2616,7 @@ static void handle_cap_trunc(struct inode *inode,
 	     inode, mds, seq, truncate_size, truncate_seq);
 	queue_trunc = ceph_fill_file_size(inode, issued,
 					  truncate_seq, truncate_size, size);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (queue_trunc)
 		ceph_queue_vmtruncate(inode);
@@ -2646,7 +2645,7 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
 	dout("handle_cap_export inode %p ci %p mds%d mseq %d\n",
 	     inode, ci, mds, mseq);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	/* make sure we haven't seen a higher mseq */
 	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
@@ -2690,7 +2689,7 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
 	}
 	/* else, we already released it */
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -2745,9 +2744,9 @@ static void handle_cap_import(struct ceph_mds_client *mdsc,
 	up_read(&mdsc->snap_rwsem);
 
 	/* make sure we re-request max_size, if necessary */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_requested_max_size = 0;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -2762,6 +2761,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 	struct ceph_mds_client *mdsc = session->s_mdsc;
 	struct super_block *sb = mdsc->fsc->sb;
 	struct inode *inode;
+	struct ceph_inode_info *ci;
 	struct ceph_cap *cap;
 	struct ceph_mds_caps *h;
 	int mds = session->s_mds;
@@ -2815,6 +2815,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 
 	/* lookup ino */
 	inode = ceph_find_inode(sb, vino);
+	ci = ceph_inode(inode);
 	dout(" op %s ino %llx.%llx inode %p\n", ceph_cap_op_name(op), vino.ino,
 	     vino.snap, inode);
 	if (!inode) {
@@ -2844,16 +2845,16 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 	}
 
 	/* the rest require a cap */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = __get_cap_for_mds(ceph_inode(inode), mds);
 	if (!cap) {
 		dout(" no cap on %p ino %llx.%llx from mds%d\n",
 		     inode, ceph_ino(inode), ceph_snap(inode), mds);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		goto flush_cap_releases;
 	}
 
-	/* note that each of these drops i_lock for us */
+	/* note that each of these drops i_ceph_lock for us */
 	switch (op) {
 	case CEPH_CAP_OP_REVOKE:
 	case CEPH_CAP_OP_GRANT:
@@ -2869,7 +2870,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 		break;
 
 	default:
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		pr_err("ceph_handle_caps: unknown cap op %d %s\n", op,
 		       ceph_cap_op_name(op));
 	}
@@ -2962,13 +2963,13 @@ void ceph_put_fmode(struct ceph_inode_info *ci, int fmode)
 	struct inode *inode = &ci->vfs_inode;
 	int last = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("put_fmode %p fmode %d %d -> %d\n", inode, fmode,
 	     ci->i_nr_by_mode[fmode], ci->i_nr_by_mode[fmode]-1);
 	BUG_ON(ci->i_nr_by_mode[fmode] == 0);
 	if (--ci->i_nr_by_mode[fmode] == 0)
 		last++;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (last && ci->i_vino.snap == CEPH_NOSNAP)
 		ceph_check_caps(ci, 0, NULL);
@@ -2991,7 +2992,7 @@ int ceph_encode_inode_release(void **p, struct inode *inode,
 	int used, dirty;
 	int ret = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	used = __ceph_caps_used(ci);
 	dirty = __ceph_caps_dirty(ci);
 
@@ -3046,7 +3047,7 @@ int ceph_encode_inode_release(void **p, struct inode *inode,
 			     inode, cap, ceph_cap_string(cap->issued));
 		}
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return ret;
 }
 
@@ -3061,7 +3062,7 @@ int ceph_encode_dentry_release(void **p, struct dentry *dentry,
 
 	/*
 	 * force an record for the directory caps if we have a dentry lease.
-	 * this is racy (can't take i_lock and d_lock together), but it
+	 * this is racy (can't take i_ceph_lock and d_lock together), but it
 	 * doesn't have to be perfect; the mds will revoke anything we don't
 	 * release.
 	 */
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index bca3948e9dbf..3eeb97661262 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -281,18 +281,18 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
 	}
 
 	/* can we use the dcache? */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if ((filp->f_pos == 2 || fi->dentry) &&
 	    !ceph_test_mount_opt(fsc, NOASYNCREADDIR) &&
 	    ceph_snap(inode) != CEPH_SNAPDIR &&
 	    ceph_dir_test_complete(inode) &&
 	    __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1)) {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		err = __dcache_readdir(filp, dirent, filldir);
 		if (err != -EAGAIN)
 			return err;
 	} else {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 	if (fi->dentry) {
 		err = note_last_dentry(fi, fi->dentry->d_name.name,
@@ -428,12 +428,12 @@ more:
 	 * were released during the whole readdir, and we should have
 	 * the complete dir contents in our cache.
 	 */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_release_count == fi->dir_release_count) {
 		ceph_dir_set_complete(inode);
 		ci->i_max_offset = filp->f_pos;
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	dout("readdir %p filp %p done.\n", inode, filp);
 	return 0;
@@ -607,7 +607,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 		struct ceph_inode_info *ci = ceph_inode(dir);
 		struct ceph_dentry_info *di = ceph_dentry(dentry);
 
-		spin_lock(&dir->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		dout(" dir %p flags are %d\n", dir, ci->i_ceph_flags);
 		if (strncmp(dentry->d_name.name,
 			    fsc->mount_options->snapdir_name,
@@ -615,13 +615,13 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 		    !is_root_ceph_dentry(dir, dentry) &&
 		    ceph_dir_test_complete(dir) &&
 		    (__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) {
-			spin_unlock(&dir->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			dout(" dir %p complete, -ENOENT\n", dir);
 			d_add(dentry, NULL);
 			di->lease_shared_gen = ci->i_shared_gen;
 			return NULL;
 		}
-		spin_unlock(&dir->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 
 	op = ceph_snap(dir) == CEPH_SNAPDIR ?
@@ -841,12 +841,12 @@ static int drop_caps_for_unlink(struct inode *inode)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int drop = CEPH_CAP_LINK_SHARED | CEPH_CAP_LINK_EXCL;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (inode->i_nlink == 1) {
 		drop |= ~(__ceph_caps_wanted(ci) | CEPH_CAP_PIN);
 		ci->i_ceph_flags |= CEPH_I_NODELAY;
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return drop;
 }
 
@@ -1015,10 +1015,10 @@ static int dir_lease_is_valid(struct inode *dir, struct dentry *dentry)
 	struct ceph_dentry_info *di = ceph_dentry(dentry);
 	int valid = 0;
 
-	spin_lock(&dir->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_shared_gen == di->lease_shared_gen)
 		valid = __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1);
-	spin_unlock(&dir->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	dout("dir_lease_is_valid dir %p v%u dentry %p v%u = %d\n",
 	     dir, (unsigned)ci->i_shared_gen, dentry,
 	     (unsigned)di->lease_shared_gen, valid);
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ce549d31eeb7..af187330cc89 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -147,9 +147,9 @@ int ceph_open(struct inode *inode, struct file *file)
 
 	/* trivially open snapdir */
 	if (ceph_snap(inode) == CEPH_SNAPDIR) {
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		__ceph_get_fmode(ci, fmode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		return ceph_init_file(inode, file, fmode);
 	}
 
@@ -158,7 +158,7 @@ int ceph_open(struct inode *inode, struct file *file)
 	 * write) or any MDS (for read).  Update wanted set
 	 * asynchronously.
 	 */
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (__ceph_is_any_real_caps(ci) &&
 	    (((fmode & CEPH_FILE_MODE_WR) == 0) || ci->i_auth_cap)) {
 		int mds_wanted = __ceph_caps_mds_wanted(ci);
@@ -168,7 +168,7 @@ int ceph_open(struct inode *inode, struct file *file)
 		     inode, fmode, ceph_cap_string(wanted),
 		     ceph_cap_string(issued));
 		__ceph_get_fmode(ci, fmode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 
 		/* adjust wanted? */
 		if ((issued & wanted) != wanted &&
@@ -180,10 +180,10 @@ int ceph_open(struct inode *inode, struct file *file)
 	} else if (ceph_snap(inode) != CEPH_NOSNAP &&
 		   (ci->i_snap_caps & wanted) == wanted) {
 		__ceph_get_fmode(ci, fmode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		return ceph_init_file(inode, file, fmode);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	dout("open fmode %d wants %s\n", fmode, ceph_cap_string(wanted));
 	req = prepare_open_request(inode->i_sb, flags, 0);
@@ -743,9 +743,9 @@ retry_snap:
 		 */
 		int dirty;
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		ceph_put_cap_refs(ci, got);
 
 		ret = generic_file_aio_write(iocb, iov, nr_segs, pos);
@@ -764,9 +764,9 @@ retry_snap:
 
 	if (ret >= 0) {
 		int dirty;
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		if (dirty)
 			__mark_inode_dirty(inode, dirty);
 	}
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 116f36502f17..87fb132fb330 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -297,6 +297,8 @@ struct inode *ceph_alloc_inode(struct super_block *sb)
 
 	dout("alloc_inode %p\n", &ci->vfs_inode);
 
+	spin_lock_init(&ci->i_ceph_lock);
+
 	ci->i_version = 0;
 	ci->i_time_warp_seq = 0;
 	ci->i_ceph_flags = 0;
@@ -583,7 +585,7 @@ static int fill_inode(struct inode *inode,
 			       iinfo->xattr_len);
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	/*
 	 * provided version will be odd if inode value is projected,
@@ -680,7 +682,7 @@ static int fill_inode(struct inode *inode,
 			char *sym;
 
 			BUG_ON(symlen != inode->i_size);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 
 			err = -ENOMEM;
 			sym = kmalloc(symlen+1, GFP_NOFS);
@@ -689,7 +691,7 @@ static int fill_inode(struct inode *inode,
 			memcpy(sym, iinfo->symlink, symlen);
 			sym[symlen] = 0;
 
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			if (!ci->i_symlink)
 				ci->i_symlink = sym;
 			else
@@ -715,7 +717,7 @@ static int fill_inode(struct inode *inode,
 	}
 
 no_change:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	/* queue truncate if we saw i_size decrease */
 	if (queue_trunc)
@@ -750,13 +752,13 @@ no_change:
 				     info->cap.flags,
 				     caps_reservation);
 		} else {
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			dout(" %p got snap_caps %s\n", inode,
 			     ceph_cap_string(le32_to_cpu(info->cap.caps)));
 			ci->i_snap_caps |= le32_to_cpu(info->cap.caps);
 			if (cap_fmode >= 0)
 				__ceph_get_fmode(ci, cap_fmode);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 		}
 	} else if (cap_fmode >= 0) {
 		pr_warning("mds issued no caps on %llx.%llx\n",
@@ -849,19 +851,20 @@ static void ceph_set_dentry_offset(struct dentry *dn)
 {
 	struct dentry *dir = dn->d_parent;
 	struct inode *inode = dir->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_dentry_info *di;
 
 	BUG_ON(!inode);
 
 	di = ceph_dentry(dn);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (!ceph_dir_test_complete(inode)) {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		return;
 	}
 	di->offset = ceph_inode(inode)->i_max_offset++;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	spin_lock(&dir->d_lock);
 	spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
@@ -1308,7 +1311,7 @@ int ceph_inode_set_size(struct inode *inode, loff_t size)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int ret = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("set_size %p %llu -> %llu\n", inode, inode->i_size, size);
 	inode->i_size = size;
 	inode->i_blocks = (size + (1 << 9) - 1) >> 9;
@@ -1318,7 +1321,7 @@ int ceph_inode_set_size(struct inode *inode, loff_t size)
 	    (ci->i_reported_size << 1) < ci->i_max_size)
 		ret = 1;
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return ret;
 }
 
@@ -1376,20 +1379,20 @@ static void ceph_invalidate_work(struct work_struct *work)
 	u32 orig_gen;
 	int check = 0;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("invalidate_pages %p gen %d revoking %d\n", inode,
 	     ci->i_rdcache_gen, ci->i_rdcache_revoking);
 	if (ci->i_rdcache_revoking != ci->i_rdcache_gen) {
 		/* nevermind! */
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		goto out;
 	}
 	orig_gen = ci->i_rdcache_gen;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	truncate_inode_pages(&inode->i_data, 0);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (orig_gen == ci->i_rdcache_gen &&
 	    orig_gen == ci->i_rdcache_revoking) {
 		dout("invalidate_pages %p gen %d successful\n", inode,
@@ -1401,7 +1404,7 @@ static void ceph_invalidate_work(struct work_struct *work)
 		     inode, orig_gen, ci->i_rdcache_gen,
 		     ci->i_rdcache_revoking);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (check)
 		ceph_check_caps(ci, 0, NULL);
@@ -1460,10 +1463,10 @@ void __ceph_do_pending_vmtruncate(struct inode *inode)
 	int wrbuffer_refs, wake = 0;
 
 retry:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	if (ci->i_truncate_pending == 0) {
 		dout("__do_pending_vmtruncate %p none pending\n", inode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		return;
 	}
 
@@ -1474,7 +1477,7 @@ retry:
 	if (ci->i_wrbuffer_ref_head < ci->i_wrbuffer_ref) {
 		dout("__do_pending_vmtruncate %p flushing snaps first\n",
 		     inode);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		filemap_write_and_wait_range(&inode->i_data, 0,
 					     inode->i_sb->s_maxbytes);
 		goto retry;
@@ -1484,15 +1487,15 @@ retry:
 	wrbuffer_refs = ci->i_wrbuffer_ref;
 	dout("__do_pending_vmtruncate %p (%d) to %lld\n", inode,
 	     ci->i_truncate_pending, to);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	truncate_inode_pages(inode->i_mapping, to);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_truncate_pending--;
 	if (ci->i_truncate_pending == 0)
 		wake = 1;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (wrbuffer_refs == 0)
 		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
@@ -1547,7 +1550,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	issued = __ceph_caps_issued(ci, NULL);
 	dout("setattr %p issued %s\n", inode, ceph_cap_string(issued));
 
@@ -1695,7 +1698,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
 	}
 
 	release &= issued;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (inode_dirty_flags)
 		__mark_inode_dirty(inode, inode_dirty_flags);
@@ -1717,7 +1720,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
 	__ceph_do_pending_vmtruncate(inode);
 	return err;
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	ceph_mdsc_put_request(req);
 	return err;
 }
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index 5a14c29cbba6..790914a598dd 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -241,11 +241,11 @@ static long ceph_ioctl_lazyio(struct file *file)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
 	if ((fi->fmode & CEPH_FILE_MODE_LAZY) == 0) {
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		ci->i_nr_by_mode[fi->fmode]--;
 		fi->fmode |= CEPH_FILE_MODE_LAZY;
 		ci->i_nr_by_mode[fi->fmode]++;
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		dout("ioctl_layzio: file %p marked lazy\n", file);
 
 		ceph_check_caps(ci, 0, NULL);
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 264ab701154f..34bc35084ae3 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -732,21 +732,21 @@ static int __choose_mds(struct ceph_mds_client *mdsc,
 		}
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap = NULL;
 	if (mode == USE_AUTH_MDS)
 		cap = ci->i_auth_cap;
 	if (!cap && !RB_EMPTY_ROOT(&ci->i_caps))
 		cap = rb_entry(rb_first(&ci->i_caps), struct ceph_cap, ci_node);
 	if (!cap) {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		goto random;
 	}
 	mds = cap->session->s_mds;
 	dout("choose_mds %p %llx.%llx mds%d (%scap %p)\n",
 	     inode, ceph_vinop(inode), mds,
 	     cap == ci->i_auth_cap ? "auth " : "", cap);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return mds;
 
 random:
@@ -951,7 +951,7 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
 
 	dout("removing cap %p, ci is %p, inode is %p\n",
 	     cap, ci, &ci->vfs_inode);
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	__ceph_remove_cap(cap);
 	if (!__ceph_is_any_real_caps(ci)) {
 		struct ceph_mds_client *mdsc =
@@ -984,7 +984,7 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
 		}
 		spin_unlock(&mdsc->cap_dirty_lock);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	while (drop--)
 		iput(inode);
 	return 0;
@@ -1015,10 +1015,10 @@ static int wake_up_session_cb(struct inode *inode, struct ceph_cap *cap,
 
 	wake_up_all(&ci->i_cap_wq);
 	if (arg) {
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		ci->i_wanted_max_size = 0;
 		ci->i_requested_max_size = 0;
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 	}
 	return 0;
 }
@@ -1151,7 +1151,7 @@ static int trim_caps_cb(struct inode *inode, struct ceph_cap *cap, void *arg)
 	if (session->s_trim_caps <= 0)
 		return -1;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	mine = cap->issued | cap->implemented;
 	used = __ceph_caps_used(ci);
 	oissued = __ceph_caps_issued_other(ci, cap);
@@ -1170,7 +1170,7 @@ static int trim_caps_cb(struct inode *inode, struct ceph_cap *cap, void *arg)
 		__ceph_remove_cap(cap);
 	} else {
 		/* try to drop referring dentries */
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		d_prune_aliases(inode);
 		dout("trim_caps_cb %p cap %p  pruned, count now %d\n",
 		     inode, cap, atomic_read(&inode->i_count));
@@ -1178,7 +1178,7 @@ static int trim_caps_cb(struct inode *inode, struct ceph_cap *cap, void *arg)
 	}
 
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return 0;
 }
 
@@ -1296,7 +1296,7 @@ static int check_cap_flush(struct ceph_mds_client *mdsc, u64 want_flush_seq)
 					   i_flushing_item);
 			struct inode *inode = &ci->vfs_inode;
 
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			if (ci->i_cap_flush_seq <= want_flush_seq) {
 				dout("check_cap_flush still flushing %p "
 				     "seq %lld <= %lld to mds%d\n", inode,
@@ -1304,7 +1304,7 @@ static int check_cap_flush(struct ceph_mds_client *mdsc, u64 want_flush_seq)
 				     session->s_mds);
 				ret = 0;
 			}
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 		}
 		mutex_unlock(&session->s_mutex);
 		ceph_put_mds_session(session);
@@ -2011,10 +2011,10 @@ void ceph_invalidate_dir_request(struct ceph_mds_request *req)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
 	dout("invalidate_dir_request %p (D_COMPLETE, lease(s))\n", inode);
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ceph_dir_clear_complete(inode);
 	ci->i_release_count++;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (req->r_dentry)
 		ceph_invalidate_dentry_lease(req->r_dentry);
@@ -2422,7 +2422,7 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
 	if (err)
 		goto out_free;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	cap->seq = 0;        /* reset cap seq */
 	cap->issue_seq = 0;  /* and issue_seq */
 
@@ -2445,7 +2445,7 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
 		rec.v1.pathbase = cpu_to_le64(pathbase);
 		reclen = sizeof(rec.v1);
 	}
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 
 	if (recon_state->flock) {
 		int num_fcntl_locks, num_flock_locks;
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 4bb239921dbd..a50ca0e39475 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -20,7 +20,7 @@
  *
  *         mdsc->snap_rwsem
  *
- *         inode->i_lock
+ *         ci->i_ceph_lock
  *                 mdsc->snap_flush_lock
  *                 mdsc->cap_delay_lock
  *
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index e26437191333..a559c80f127a 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -446,7 +446,7 @@ void ceph_queue_cap_snap(struct ceph_inode_info *ci)
 		return;
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	used = __ceph_caps_used(ci);
 	dirty = __ceph_caps_dirty(ci);
 
@@ -528,7 +528,7 @@ void ceph_queue_cap_snap(struct ceph_inode_info *ci)
 		kfree(capsnap);
 	}
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 /*
@@ -537,7 +537,7 @@ void ceph_queue_cap_snap(struct ceph_inode_info *ci)
  *
  * If capsnap can now be flushed, add to snap_flush list, and return 1.
  *
- * Caller must hold i_lock.
+ * Caller must hold i_ceph_lock.
  */
 int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
 			    struct ceph_cap_snap *capsnap)
@@ -739,9 +739,9 @@ static void flush_snaps(struct ceph_mds_client *mdsc)
 		inode = &ci->vfs_inode;
 		ihold(inode);
 		spin_unlock(&mdsc->snap_flush_lock);
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		__ceph_flush_snaps(ci, &session, 0);
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		iput(inode);
 		spin_lock(&mdsc->snap_flush_lock);
 	}
@@ -847,7 +847,7 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
 				continue;
 			ci = ceph_inode(inode);
 
-			spin_lock(&inode->i_lock);
+			spin_lock(&ci->i_ceph_lock);
 			if (!ci->i_snap_realm)
 				goto skip_inode;
 			/*
@@ -876,7 +876,7 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
 			oldrealm = ci->i_snap_realm;
 			ci->i_snap_realm = realm;
 			spin_unlock(&realm->inodes_with_caps_lock);
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 
 			ceph_get_snap_realm(mdsc, realm);
 			ceph_put_snap_realm(mdsc, oldrealm);
@@ -885,7 +885,7 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
 			continue;
 
 skip_inode:
-			spin_unlock(&inode->i_lock);
+			spin_unlock(&ci->i_ceph_lock);
 			iput(inode);
 		}
 
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 01bf189e08a9..edcbf3774a56 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -220,7 +220,7 @@ struct ceph_dentry_info {
  * The locking for D_COMPLETE is a bit odd:
  *  - we can clear it at almost any time (see ceph_d_prune)
  *  - it is only meaningful if:
- *    - we hold dir inode i_lock
+ *    - we hold dir inode i_ceph_lock
  *    - we hold dir FILE_SHARED caps
  *    - the dentry D_COMPLETE is set
  */
@@ -250,6 +250,8 @@ struct ceph_inode_xattrs_info {
 struct ceph_inode_info {
 	struct ceph_vino i_vino;   /* ceph ino + snap */
 
+	spinlock_t i_ceph_lock;
+
 	u64 i_version;
 	u32 i_time_warp_seq;
 
@@ -271,7 +273,7 @@ struct ceph_inode_info {
 
 	struct ceph_inode_xattrs_info i_xattrs;
 
-	/* capabilities.  protected _both_ by i_lock and cap->session's
+	/* capabilities.  protected _both_ by i_ceph_lock and cap->session's
 	 * s_mutex. */
 	struct rb_root i_caps;           /* cap list */
 	struct ceph_cap *i_auth_cap;     /* authoritative cap, if any */
@@ -437,18 +439,18 @@ static inline void ceph_i_clear(struct inode *inode, unsigned mask)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_ceph_flags &= ~mask;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 static inline void ceph_i_set(struct inode *inode, unsigned mask)
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	ci->i_ceph_flags |= mask;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 }
 
 static inline bool ceph_i_test(struct inode *inode, unsigned mask)
@@ -456,9 +458,9 @@ static inline bool ceph_i_test(struct inode *inode, unsigned mask)
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	bool r;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	r = (ci->i_ceph_flags & mask) == mask;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return r;
 }
 
@@ -508,9 +510,9 @@ extern int __ceph_caps_issued_other(struct ceph_inode_info *ci,
 static inline int ceph_caps_issued(struct ceph_inode_info *ci)
 {
 	int issued;
-	spin_lock(&ci->vfs_inode.i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	issued = __ceph_caps_issued(ci, NULL);
-	spin_unlock(&ci->vfs_inode.i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return issued;
 }
 
@@ -518,9 +520,9 @@ static inline int ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask,
 					int touch)
 {
 	int r;
-	spin_lock(&ci->vfs_inode.i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	r = __ceph_caps_issued_mask(ci, mask, touch);
-	spin_unlock(&ci->vfs_inode.i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return r;
 }
 
@@ -743,10 +745,9 @@ extern int ceph_add_cap(struct inode *inode,
 extern void __ceph_remove_cap(struct ceph_cap *cap);
 static inline void ceph_remove_cap(struct ceph_cap *cap)
 {
-	struct inode *inode = &cap->ci->vfs_inode;
-	spin_lock(&inode->i_lock);
+	spin_lock(&cap->ci->i_ceph_lock);
 	__ceph_remove_cap(cap);
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&cap->ci->i_ceph_lock);
 }
 extern void ceph_put_cap(struct ceph_mds_client *mdsc,
 			 struct ceph_cap *cap);
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 96c6739a0280..a5e36e4488a7 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -343,8 +343,8 @@ void __ceph_destroy_xattrs(struct ceph_inode_info *ci)
 }
 
 static int __build_xattrs(struct inode *inode)
-	__releases(inode->i_lock)
-	__acquires(inode->i_lock)
+	__releases(ci->i_ceph_lock)
+	__acquires(ci->i_ceph_lock)
 {
 	u32 namelen;
 	u32 numattr = 0;
@@ -372,7 +372,7 @@ start:
 		end = p + ci->i_xattrs.blob->vec.iov_len;
 		ceph_decode_32_safe(&p, end, numattr, bad);
 		xattr_version = ci->i_xattrs.version;
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 
 		xattrs = kcalloc(numattr, sizeof(struct ceph_xattr *),
 				 GFP_NOFS);
@@ -387,7 +387,7 @@ start:
 				goto bad_lock;
 		}
 
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		if (ci->i_xattrs.version != xattr_version) {
 			/* lost a race, retry */
 			for (i = 0; i < numattr; i++)
@@ -418,7 +418,7 @@ start:
 
 	return err;
 bad_lock:
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 bad:
 	if (xattrs) {
 		for (i = 0; i < numattr; i++)
@@ -512,7 +512,7 @@ ssize_t ceph_getxattr(struct dentry *dentry, const char *name, void *value,
 	if (vxattrs)
 		vxattr = ceph_match_vxattr(vxattrs, name);
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("getxattr %p ver=%lld index_ver=%lld\n", inode,
 	     ci->i_xattrs.version, ci->i_xattrs.index_version);
 
@@ -520,14 +520,14 @@ ssize_t ceph_getxattr(struct dentry *dentry, const char *name, void *value,
 	    (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
 		goto get_xattr;
 	} else {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		/* get xattrs from mds (if we don't already have them) */
 		err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
 		if (err)
 			return err;
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	if (vxattr && vxattr->readonly) {
 		err = vxattr->getxattr_cb(ci, value, size);
@@ -558,7 +558,7 @@ get_xattr:
 	memcpy(value, xattr->val, xattr->val_len);
 
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return err;
 }
 
@@ -573,7 +573,7 @@ ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size)
 	u32 len;
 	int i;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	dout("listxattr %p ver=%lld index_ver=%lld\n", inode,
 	     ci->i_xattrs.version, ci->i_xattrs.index_version);
 
@@ -581,13 +581,13 @@ ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size)
 	    (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
 		goto list_xattr;
 	} else {
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
 		if (err)
 			return err;
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 
 	err = __build_xattrs(inode);
 	if (err < 0)
@@ -619,7 +619,7 @@ list_xattr:
 		}
 
 out:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	return err;
 }
 
@@ -739,7 +739,7 @@ int ceph_setxattr(struct dentry *dentry, const char *name,
 	if (!xattr)
 		goto out;
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 retry:
 	issued = __ceph_caps_issued(ci, NULL);
 	if (!(issued & CEPH_CAP_XATTR_EXCL))
@@ -752,12 +752,12 @@ retry:
 	    required_blob_size > ci->i_xattrs.prealloc_blob->alloc_len) {
 		struct ceph_buffer *blob = NULL;
 
-		spin_unlock(&inode->i_lock);
+		spin_unlock(&ci->i_ceph_lock);
 		dout(" preaallocating new blob size=%d\n", required_blob_size);
 		blob = ceph_buffer_new(required_blob_size, GFP_NOFS);
 		if (!blob)
 			goto out;
-		spin_lock(&inode->i_lock);
+		spin_lock(&ci->i_ceph_lock);
 		if (ci->i_xattrs.prealloc_blob)
 			ceph_buffer_put(ci->i_xattrs.prealloc_blob);
 		ci->i_xattrs.prealloc_blob = blob;
@@ -770,13 +770,13 @@ retry:
 	dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
 	ci->i_xattrs.dirty = true;
 	inode->i_ctime = CURRENT_TIME;
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (dirty)
 		__mark_inode_dirty(inode, dirty);
 	return err;
 
 do_sync:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	err = ceph_sync_setxattr(dentry, name, value, size, flags);
 out:
 	kfree(newname);
@@ -833,7 +833,7 @@ int ceph_removexattr(struct dentry *dentry, const char *name)
 			return -EOPNOTSUPP;
 	}
 
-	spin_lock(&inode->i_lock);
+	spin_lock(&ci->i_ceph_lock);
 	__build_xattrs(inode);
 	issued = __ceph_caps_issued(ci, NULL);
 	dout("removexattr %p issued %s\n", inode, ceph_cap_string(issued));
@@ -846,12 +846,12 @@ int ceph_removexattr(struct dentry *dentry, const char *name)
 	ci->i_xattrs.dirty = true;
 	inode->i_ctime = CURRENT_TIME;
 
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	if (dirty)
 		__mark_inode_dirty(inode, dirty);
 	return err;
 do_sync:
-	spin_unlock(&inode->i_lock);
+	spin_unlock(&ci->i_ceph_lock);
 	err = ceph_send_removexattr(dentry, name);
 	return err;
 }
-- 
GitLab


From 28d8ea2d568534026ccda3e8936f5ea1e04a86a1 Mon Sep 17 00:00:00 2001
From: Andy Fleming <afleming@freescale.com>
Date: Fri, 11 Nov 2011 05:10:39 +0000
Subject: [PATCH 1283/1594] fsl_pq_mdio: Clean up tbi address configuration

The code for setting the address of the internal TBI PHY was
convoluted enough without a maze of ifdefs. Clean it up a bit
so we allow the logic to fail down to -ENODEV at the end of
the if/else ladder, rather than using ifdefs to repeat the same
failure code over and over.

Also, remove the support for the auto-configuration. I'm not aware of
anyone using it, and it ends up using the bus mutex before it's been
initialized.

Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/freescale/fsl_pq_mdio.c | 53 +++-----------------
 1 file changed, 8 insertions(+), 45 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 52f4e8ad48e7..4d9f84b8ab97 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -183,28 +183,10 @@ void fsl_pq_mdio_bus_name(char *name, struct device_node *np)
 }
 EXPORT_SYMBOL_GPL(fsl_pq_mdio_bus_name);
 
-/* Scan the bus in reverse, looking for an empty spot */
-static int fsl_pq_mdio_find_free(struct mii_bus *new_bus)
-{
-	int i;
-
-	for (i = PHY_MAX_ADDR; i > 0; i--) {
-		u32 phy_id;
-
-		if (get_phy_id(new_bus, i, &phy_id))
-			return -1;
-
-		if (phy_id == 0xffffffff)
-			break;
-	}
-
-	return i;
-}
-
 
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
 static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
 {
+#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
 	struct gfar __iomem *enet_regs;
 
 	/*
@@ -220,15 +202,15 @@ static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct devi
 	} else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
 			of_device_is_compatible(np, "fsl,etsec2-tbi")) {
 		return of_iomap(np, 1);
-	} else
-		return NULL;
-}
+	}
 #endif
+	return NULL;
+}
 
 
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
 static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
 {
+#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
 	struct device_node *np = NULL;
 	int err = 0;
 
@@ -261,9 +243,10 @@ static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
 		return err;
 	else
 		return -EINVAL;
-}
+#else
+	return -ENODEV;
 #endif
-
+}
 
 static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 {
@@ -339,19 +322,13 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 			of_device_is_compatible(np, "fsl,etsec2-mdio") ||
 			of_device_is_compatible(np, "fsl,etsec2-tbi") ||
 			of_device_is_compatible(np, "gianfar")) {
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
 		tbipa = get_gfar_tbipa(regs, np);
 		if (!tbipa) {
 			err = -EINVAL;
 			goto err_free_irqs;
 		}
-#else
-		err = -ENODEV;
-		goto err_free_irqs;
-#endif
 	} else if (of_device_is_compatible(np, "fsl,ucc-mdio") ||
 			of_device_is_compatible(np, "ucc_geth_phy")) {
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
 		u32 id;
 		static u32 mii_mng_master;
 
@@ -364,10 +341,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 			mii_mng_master = id;
 			ucc_set_qe_mux_mii_mng(id - 1);
 		}
-#else
-		err = -ENODEV;
-		goto err_free_irqs;
-#endif
 	} else {
 		err = -ENODEV;
 		goto err_free_irqs;
@@ -386,16 +359,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
 	}
 
 	if (tbiaddr == -1) {
-		out_be32(tbipa, 0);
-
-		tbiaddr = fsl_pq_mdio_find_free(new_bus);
-	}
-
-	/*
-	 * We define TBIPA at 0 to be illegal, opting to fail for boards that
-	 * have PHYs at 1-31, rather than change tbipa and rescan.
-	 */
-	if (tbiaddr == 0) {
 		err = -EBUSY;
 
 		goto err_free_irqs;
-- 
GitLab


From 15062e6a8524f5977f2cbdf6e3eb2f144262f74e Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 7 Dec 2011 09:02:21 +0100
Subject: [PATCH 1284/1594] mac80211: fix another race in aggregation start

Emmanuel noticed that when mac80211 stops the queues
for aggregation that can leave a packet pending. This
packet will be given to the driver after the AMPDU
callback, but as a non-aggregated packet which messes
up the sequence number etc.

I also noticed by looking at the code that if packets
are being processed while we clear the WANT_START bit,
they might see it cleared already and queue up on
tid_tx->pending. If the driver then rejects the new
aggregation session we leak the packet.

Fix both of these issues by changing this code to not
stop the queues at all. Instead, let packets queue up
on the tid_tx->pending queue instead of letting them
get to the driver, and add code to recover properly
in case the driver rejects the session.

(The patch looks large because it has to move two
functions to before their new use.)

Cc: stable@vger.kernel.org
Reported-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/agg-tx.c | 86 +++++++++++++++++++++----------------------
 1 file changed, 41 insertions(+), 45 deletions(-)

diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 331472ce038c..d448f7a3dbc0 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -302,6 +302,38 @@ ieee80211_wake_queue_agg(struct ieee80211_local *local, int tid)
 	__release(agg_queue);
 }
 
+/*
+ * splice packets from the STA's pending to the local pending,
+ * requires a call to ieee80211_agg_splice_finish later
+ */
+static void __acquires(agg_queue)
+ieee80211_agg_splice_packets(struct ieee80211_local *local,
+			     struct tid_ampdu_tx *tid_tx, u16 tid)
+{
+	int queue = ieee80211_ac_from_tid(tid);
+	unsigned long flags;
+
+	ieee80211_stop_queue_agg(local, tid);
+
+	if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
+			  " from the pending queue\n", tid))
+		return;
+
+	if (!skb_queue_empty(&tid_tx->pending)) {
+		spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+		/* copy over remaining packets */
+		skb_queue_splice_tail_init(&tid_tx->pending,
+					   &local->pending[queue]);
+		spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+	}
+}
+
+static void __releases(agg_queue)
+ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
+{
+	ieee80211_wake_queue_agg(local, tid);
+}
+
 void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
 {
 	struct tid_ampdu_tx *tid_tx;
@@ -313,19 +345,17 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
 	tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
 
 	/*
-	 * While we're asking the driver about the aggregation,
-	 * stop the AC queue so that we don't have to worry
-	 * about frames that came in while we were doing that,
-	 * which would require us to put them to the AC pending
-	 * afterwards which just makes the code more complex.
+	 * Start queuing up packets for this aggregation session.
+	 * We're going to release them once the driver is OK with
+	 * that.
 	 */
-	ieee80211_stop_queue_agg(local, tid);
-
 	clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state);
 
 	/*
-	 * make sure no packets are being processed to get
-	 * valid starting sequence number
+	 * Make sure no packets are being processed. This ensures that
+	 * we have a valid starting sequence number and that in-flight
+	 * packets have been flushed out and no packets for this TID
+	 * will go into the driver during the ampdu_action call.
 	 */
 	synchronize_net();
 
@@ -339,17 +369,15 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
 					" tid %d\n", tid);
 #endif
 		spin_lock_bh(&sta->lock);
+		ieee80211_agg_splice_packets(local, tid_tx, tid);
 		ieee80211_assign_tid_tx(sta, tid, NULL);
+		ieee80211_agg_splice_finish(local, tid);
 		spin_unlock_bh(&sta->lock);
 
-		ieee80211_wake_queue_agg(local, tid);
 		kfree_rcu(tid_tx, rcu_head);
 		return;
 	}
 
-	/* we can take packets again now */
-	ieee80211_wake_queue_agg(local, tid);
-
 	/* activate the timer for the recipient's addBA response */
 	mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
 #ifdef CONFIG_MAC80211_HT_DEBUG
@@ -465,38 +493,6 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
 }
 EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
 
-/*
- * splice packets from the STA's pending to the local pending,
- * requires a call to ieee80211_agg_splice_finish later
- */
-static void __acquires(agg_queue)
-ieee80211_agg_splice_packets(struct ieee80211_local *local,
-			     struct tid_ampdu_tx *tid_tx, u16 tid)
-{
-	int queue = ieee80211_ac_from_tid(tid);
-	unsigned long flags;
-
-	ieee80211_stop_queue_agg(local, tid);
-
-	if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
-			  " from the pending queue\n", tid))
-		return;
-
-	if (!skb_queue_empty(&tid_tx->pending)) {
-		spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
-		/* copy over remaining packets */
-		skb_queue_splice_tail_init(&tid_tx->pending,
-					   &local->pending[queue]);
-		spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
-	}
-}
-
-static void __releases(agg_queue)
-ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
-{
-	ieee80211_wake_queue_agg(local, tid);
-}
-
 static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
 					 struct sta_info *sta, u16 tid)
 {
-- 
GitLab


From 91ddff8a3b9cc7ac2252aca138220939cf6cc2cf Mon Sep 17 00:00:00 2001
From: Philipp Dreimann <philipp@dreimann.net>
Date: Wed, 7 Dec 2011 13:43:31 -0600
Subject: [PATCH 1285/1594] rtl8192{ce,cu,de,se}: avoid problems because of
 possible ERFOFF -> ERFSLEEP transition

In drivers rtl8192ce, rtl8192cu, rtl8192se, and rtl8192de, break
statements would allow ppsc->rfpwr_state to be changed to ERFSLEEP
even though the device is actually in ERFOFF.

Signed-off-by: Philipp Dreimann <philipp@dreimann.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Cc: Chaoming Li <chaoming_li@realsil.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rtlwifi/rtl8192ce/phy.c | 2 +-
 drivers/net/wireless/rtlwifi/rtl8192cu/phy.c | 2 +-
 drivers/net/wireless/rtlwifi/rtl8192de/phy.c | 2 +-
 drivers/net/wireless/rtlwifi/rtl8192se/phy.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
index 592a10ac5929..3b585aadabfc 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
@@ -569,7 +569,7 @@ static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
 		}
 	case ERFSLEEP:{
 			if (ppsc->rfpwr_state == ERFOFF)
-				break;
+				return false;
 			for (queue_id = 0, i = 0;
 			     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
 				ring = &pcipriv->dev.tx_ring[queue_id];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c b/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
index 72852900df84..e49cf2244c75 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
@@ -548,7 +548,7 @@ static bool _rtl92cu_phy_set_rf_power_state(struct ieee80211_hw *hw,
 		break;
 	case ERFSLEEP:
 		if (ppsc->rfpwr_state == ERFOFF)
-			break;
+			return false;
 		for (queue_id = 0, i = 0;
 		     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
 			ring = &pcipriv->dev.tx_ring[queue_id];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
index 3ac7af1c5509..0883349e1c83 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
@@ -3374,7 +3374,7 @@ bool rtl92d_phy_set_rf_power_state(struct ieee80211_hw *hw,
 		break;
 	case ERFSLEEP:
 		if (ppsc->rfpwr_state == ERFOFF)
-			break;
+			return false;
 
 		for (queue_id = 0, i = 0;
 		     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
index f27171af979c..f10ac1ad9087 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
@@ -602,7 +602,7 @@ bool rtl92s_phy_set_rf_power_state(struct ieee80211_hw *hw,
 		}
 	case ERFSLEEP:
 			if (ppsc->rfpwr_state == ERFOFF)
-				break;
+				return false;
 
 			for (queue_id = 0, i = 0;
 			     queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
-- 
GitLab


From 807cc4b1201e82769f7435211310f5691dcb704d Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Wed, 16 Nov 2011 20:01:43 +0100
Subject: [PATCH 1286/1594] spi/ath79: fix compile error due to missing include

Whithout including 'linux/module.h' spi-ath79 driver fails to compile
with the these errors:

drivers/spi/spi-ath79.c:273:12: error: 'THIS_MODULE' undeclared here (not in a function)
drivers/spi/spi-ath79.c:278:20: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-ath79.c:278:1: warning: data definition has no type or storage class
drivers/spi/spi-ath79.c:278:1: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
drivers/spi/spi-ath79.c:278:20: warning: function declaration isn't a prototype
drivers/spi/spi-ath79.c:279:15: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-ath79.c:279:1: warning: data definition has no type or storage class
drivers/spi/spi-ath79.c:279:1: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
drivers/spi/spi-ath79.c:279:15: warning: function declaration isn't a prototype
drivers/spi/spi-ath79.c:280:16: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-ath79.c:280:1: warning: data definition has no type or storage class
drivers/spi/spi-ath79.c:280:1: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
drivers/spi/spi-ath79.c:280:16: warning: function declaration isn't a prototype
drivers/spi/spi-ath79.c:281:14: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-ath79.c:281:1: warning: data definition has no type or storage class
drivers/spi/spi-ath79.c:281:1: warning: type defaults to 'int' in declaration of 'MODULE_ALIAS'
drivers/spi/spi-ath79.c:281:14: warning: function declaration isn't a prototype

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---
 drivers/spi/spi-ath79.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index 024b48aed5ca..acc88b4d2869 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
-- 
GitLab


From 00d2952caa6b0b2cd113494ae39f08c4663f371b Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 24 Nov 2011 11:10:51 +0800
Subject: [PATCH 1287/1594] spi/nuc900: Include linux/module.h

Include linux/module.h to fix below build error:

  CC      drivers/spi/spi-nuc900.o
drivers/spi/spi-nuc900.c:484: error: 'THIS_MODULE' undeclared here (not in a function)
drivers/spi/spi-nuc900.c:489: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-nuc900.c:489: warning: data definition has no type or storage class
drivers/spi/spi-nuc900.c:489: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
drivers/spi/spi-nuc900.c:489: warning: function declaration isn't a prototype
drivers/spi/spi-nuc900.c:490: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-nuc900.c:490: warning: data definition has no type or storage class
drivers/spi/spi-nuc900.c:490: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
drivers/spi/spi-nuc900.c:490: warning: function declaration isn't a prototype
drivers/spi/spi-nuc900.c:491: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-nuc900.c:491: warning: data definition has no type or storage class
drivers/spi/spi-nuc900.c:491: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
drivers/spi/spi-nuc900.c:491: warning: function declaration isn't a prototype
drivers/spi/spi-nuc900.c:492: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-nuc900.c:492: warning: data definition has no type or storage class
drivers/spi/spi-nuc900.c:492: warning: type defaults to 'int' in declaration of 'MODULE_ALIAS'
drivers/spi/spi-nuc900.c:492: warning: function declaration isn't a prototype
make[2]: *** [drivers/spi/spi-nuc900.o] Error 1
make[1]: *** [drivers/spi] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---
 drivers/spi/spi-nuc900.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index 21c70b2b8311..182e9c873822 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -8,6 +8,7 @@
  *
  */
 
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
-- 
GitLab


From d9ddcec35d713dd33dc20dcb4db84db35f9956a6 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jslaby@suse.cz>
Date: Wed, 7 Dec 2011 21:18:16 +0100
Subject: [PATCH 1288/1594] spi/fsl-espi: disable CONFIG_SPI_FSL_ESPI=m build

When spi_fsl_espi is chosen to be built as a module, there is a build
error because we test only CONFIG_SPI_FSL_ESPI in declaration of
struct mpc8xxx_spi in drivers/spi/spi_fsl_lib.h. Also some called
functions are not exported.

So we forbid CONFIG_SPI_FSL_ESPI to be tristate here.

The error looks like:
drivers/spi/spi_fsl_espi.c: In function 'fsl_espi_bufs':
drivers/spi/spi_fsl_espi.c:232: error: 'struct mpc8xxx_spi' has no member named 'len'
...

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---
 drivers/spi/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a1fd73df5416..8ba4510a9519 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -199,7 +199,7 @@ config SPI_FSL_LIB
 	depends on FSL_SOC
 
 config SPI_FSL_SPI
-	tristate "Freescale SPI controller"
+	bool "Freescale SPI controller"
 	depends on FSL_SOC
 	select SPI_FSL_LIB
 	help
@@ -208,7 +208,7 @@ config SPI_FSL_SPI
 	  MPC8569 uses the controller in QE mode, MPC8610 in cpu mode.
 
 config SPI_FSL_ESPI
-	tristate "Freescale eSPI controller"
+	bool "Freescale eSPI controller"
 	depends on FSL_SOC
 	select SPI_FSL_LIB
 	help
-- 
GitLab


From c65b53ba4f9ca4520078bab23099579da3bf0446 Mon Sep 17 00:00:00 2001
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Sat, 19 Nov 2011 13:08:10 +0100
Subject: [PATCH 1289/1594] spi/gpio: fix section mismatch warning

Fixes:
The function __devinit spi_gpio_probe() references
a function __init spi_gpio_alloc.isra.4().
If spi_gpio_alloc.isra.4 is only used by spi_gpio_probe then
annotate spi_gpio_alloc.isra.4 with a matching annotation.

[wsa: fix spi_gpio_request(), too]

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---
 drivers/spi/spi-gpio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c
index e093d3ec41ba..0094c645ff0d 100644
--- a/drivers/spi/spi-gpio.c
+++ b/drivers/spi/spi-gpio.c
@@ -256,7 +256,7 @@ static void spi_gpio_cleanup(struct spi_device *spi)
 	spi_bitbang_cleanup(spi);
 }
 
-static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
+static int __devinit spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
 {
 	int value;
 
@@ -270,7 +270,7 @@ static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
 	return value;
 }
 
-static int __init
+static int __devinit
 spi_gpio_request(struct spi_gpio_platform_data *pdata, const char *label,
 	u16 *res_flags)
 {
-- 
GitLab


From fe6b91f47080eb17d21cbf2a39311877d57f6938 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 6 Dec 2011 23:24:52 +0100
Subject: [PATCH 1290/1594] PM / Driver core: leave runtime PM enabled during
 system shutdown

Disabling all runtime PM during system shutdown turns out not to be a
good idea, because some devices may need to be woken up from a
low-power state at that time.

The whole point of disabling runtime PM for system shutdown was to
prevent untimely runtime-suspend method calls.  This patch (as1504)
accomplishes the same result by incrementing the usage count for each
device and waiting for ongoing runtime-PM callbacks to finish.  This
is what we already do during system suspend and hibernation, which
makes sense since the shutdown method is pretty much a legacy analog
of the pm->poweroff method.

This fixes a recent regression on some OMAP systems introduced by
commit af8db1508f2c9f3b6e633e2d2d906c6557c617f9 (PM / driver core:
disable device's runtime PM during shutdown).

Reported-and-tested-by: NeilBrown <neilb@suse.de>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 drivers/base/core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index d8b3d89db043..919daa7cd5b1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1743,8 +1743,10 @@ void device_shutdown(void)
 		 */
 		list_del_init(&dev->kobj.entry);
 		spin_unlock(&devices_kset->list_lock);
-		/* Disable all device's runtime power management */
-		pm_runtime_disable(dev);
+
+		/* Don't allow any more runtime suspends */
+		pm_runtime_get_noresume(dev);
+		pm_runtime_barrier(dev);
 
 		if (dev->bus && dev->bus->shutdown) {
 			dev_dbg(dev, "shutdown\n");
-- 
GitLab


From 062c05c46bd4358aad7a0e0cb5ffeb98ab935286 Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Date: Wed, 7 Dec 2011 19:50:42 -0500
Subject: [PATCH 1291/1594] Btrfs: try to allocate from cluster even at
 LOOP_NO_EMPTY_SIZE

If we reach LOOP_NO_EMPTY_SIZE, we won't even try to use a cluster that
others might have set up.  Odds are that there won't be one, but if
someone else succeeded in setting it up, we might as well use it, even
if we don't try to set up a cluster again.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent-tree.c | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 813c6bb96c9a..db0b23b14f20 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5285,15 +5285,10 @@ alloc:
 		spin_unlock(&block_group->free_space_ctl->tree_lock);
 
 		/*
-		 * Ok we want to try and use the cluster allocator, so lets look
-		 * there, unless we are on LOOP_NO_EMPTY_SIZE, since we will
-		 * have tried the cluster allocator plenty of times at this
-		 * point and not have found anything, so we are likely way too
-		 * fragmented for the clustering stuff to find anything, so lets
-		 * just skip it and let the allocator find whatever block it can
-		 * find
+		 * Ok we want to try and use the cluster allocator, so
+		 * lets look there
 		 */
-		if (last_ptr && loop < LOOP_NO_EMPTY_SIZE) {
+		if (last_ptr) {
 			/*
 			 * the refill lock keeps out other
 			 * people trying to start a new cluster
@@ -5342,6 +5337,20 @@ alloc:
 			}
 			spin_unlock(&last_ptr->lock);
 refill_cluster:
+			/* If we are on LOOP_NO_EMPTY_SIZE, we can't
+			 * set up a new clusters, so lets just skip it
+			 * and let the allocator find whatever block
+			 * it can find.  If we reach this point, we
+			 * will have tried the cluster allocator
+			 * plenty of times and not have found
+			 * anything, so we are likely way too
+			 * fragmented for the clustering stuff to find
+			 * anything.  */
+			if (loop >= LOOP_NO_EMPTY_SIZE) {
+				spin_unlock(&last_ptr->refill_lock);
+				goto unclustered_alloc;
+			}
+
 			/*
 			 * this cluster didn't work out, free it and
 			 * start over
@@ -5389,6 +5398,7 @@ refill_cluster:
 			goto loop;
 		}
 
+unclustered_alloc:
 		offset = btrfs_find_space_for_alloc(block_group, search_start,
 						    num_bytes, empty_size);
 		/*
-- 
GitLab


From d7a4c45ec24b6c6773ff302c3c9cb5ed46c8e211 Mon Sep 17 00:00:00 2001
From: Jingoo Han <jg1.han@samsung.com>
Date: Thu, 8 Dec 2011 10:07:53 +0900
Subject: [PATCH 1292/1594] ARM: SAMSUNG: remove duplicated header include

This patch removes duplicated slab header for pwm backlight.
arch/arm/plat-samsung/dev-backlight.c: slab.h is included
more than once.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/plat-samsung/dev-backlight.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm/plat-samsung/dev-backlight.c b/arch/arm/plat-samsung/dev-backlight.c
index e657305644cc..a976c023b286 100644
--- a/arch/arm/plat-samsung/dev-backlight.c
+++ b/arch/arm/plat-samsung/dev-backlight.c
@@ -15,7 +15,6 @@
 #include <linux/slab.h>
 #include <linux/io.h>
 #include <linux/pwm_backlight.h>
-#include <linux/slab.h>
 
 #include <plat/devs.h>
 #include <plat/gpio-cfg.h>
-- 
GitLab


From de611dd4078499d5aa5ae9655652687ae630585f Mon Sep 17 00:00:00 2001
From: Jingoo Han <jg1.han@samsung.com>
Date: Thu, 8 Dec 2011 10:08:38 +0900
Subject: [PATCH 1293/1594] ARM: S5PV210: Set 1000ns as PWM backlight period on
 SMDKV210

The SMDK board uses LT3591 as backlight LED driver of LTE480WV LCD.
According to the LT3591 datasheet, the switching frequency should
be 1MHz. So, PWM period is calculated by following formula:

PWM period = 1/switching frequency
	   = 1/1MHz
	   = 1000ns

Thus, the PWM backlight period should be 1000ns.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/mach-s5pv210/mach-smdkv210.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index a9106c392398..8662ef6e5681 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -273,6 +273,7 @@ static struct samsung_bl_gpio_info smdkv210_bl_gpio_info = {
 
 static struct platform_pwm_backlight_data smdkv210_bl_data = {
 	.pwm_id = 3,
+	.pwm_period_ns = 1000,
 };
 
 static void __init smdkv210_map_io(void)
-- 
GitLab


From e248cd5d5f1c28c82781d4122dddd1b7c3d7b46f Mon Sep 17 00:00:00 2001
From: Amit Daniel Kachhap <amit.kachhap@linaro.org>
Date: Thu, 8 Dec 2011 10:07:08 +0900
Subject: [PATCH 1294/1594] ARM: EXYNOS: Fix for stall in case of cpu hotplug
 or sleep

This patch adds remove_irq in place of disable_irq which
is correct equivalent function for setup_irq used in
exynos4_mct_tick_init.

Signed-off-by: Amit Daniel Kachhap <amit.kachhap@linaro.org>
Tested-by: Inderpal Singh <inderpal.singh@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
 arch/arm/mach-exynos/mct.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c
index 97343df8f132..959f2514796c 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c
@@ -428,9 +428,13 @@ int __cpuinit local_timer_setup(struct clock_event_device *evt)
 
 void local_timer_stop(struct clock_event_device *evt)
 {
+	unsigned int cpu = smp_processor_id();
 	evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
 	if (mct_int_type == MCT_INT_SPI)
-		disable_irq(evt->irq);
+		if (cpu == 0)
+			remove_irq(evt->irq, &mct_tick0_event_irq);
+		else
+			remove_irq(evt->irq, &mct_tick1_event_irq);
 	else
 		disable_percpu_irq(IRQ_MCT_LOCALTIMER);
 }
-- 
GitLab


From 991a6c7d94a9be53f0302a1ada06e66a6ebf51e8 Mon Sep 17 00:00:00 2001
From: Kukjin Kim <kgene.kim@samsung.com>
Date: Thu, 8 Dec 2011 10:04:49 +0900
Subject: [PATCH 1295/1594] ARM: EXYNOS: Fix build error without
 CONFIG_LOCAL_TIMERS

arch/arm/mach-exynos/mct.c: In function 'exynos4_timer_resources':
arch/arm/mach-exynos/mct.c:450: error: 'exynos4_mct_tick_isr' undeclared (first use in this function)
arch/arm/mach-exynos/mct.c:450: error: (Each undeclared identifier is reported only once
arch/arm/mach-exynos/mct.c:450: error: for each function it appears in.)
make[1]: *** [arch/arm/mach-exynos/mct.o] Error 1

Reported-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
---
 arch/arm/mach-exynos/mct.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-exynos/mct.c b/arch/arm/mach-exynos/mct.c
index 959f2514796c..85b5527d0918 100644
--- a/arch/arm/mach-exynos/mct.c
+++ b/arch/arm/mach-exynos/mct.c
@@ -44,8 +44,6 @@ struct mct_clock_event_device {
 	char name[10];
 };
 
-static DEFINE_PER_CPU(struct mct_clock_event_device, percpu_mct_tick);
-
 static void exynos4_mct_write(unsigned int value, void *addr)
 {
 	void __iomem *stat_addr;
@@ -264,6 +262,9 @@ static void exynos4_clockevent_init(void)
 }
 
 #ifdef CONFIG_LOCAL_TIMERS
+
+static DEFINE_PER_CPU(struct mct_clock_event_device, percpu_mct_tick);
+
 /* Clock event handling */
 static void exynos4_mct_tick_stop(struct mct_clock_event_device *mevt)
 {
@@ -447,6 +448,7 @@ static void __init exynos4_timer_resources(void)
 
 	clk_rate = clk_get_rate(mct_clk);
 
+#ifdef CONFIG_LOCAL_TIMERS
 	if (mct_int_type == MCT_INT_PPI) {
 		int err;
 
@@ -456,6 +458,7 @@ static void __init exynos4_timer_resources(void)
 		WARN(err, "MCT: can't request IRQ %d (%d)\n",
 		     IRQ_MCT_LOCALTIMER, err);
 	}
+#endif /* CONFIG_LOCAL_TIMERS */
 }
 
 static void __init exynos4_timer_init(void)
-- 
GitLab


From aed21ad28b1323b2807faea019e5ac388a7bc837 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Wed, 23 Nov 2011 11:44:41 -0600
Subject: [PATCH 1296/1594] writeback: comment on the bdi dirty threshold

We do "floating proportions" to let active devices to grow its target
share of dirty pages and stalled/inactive devices to decrease its target
share over time.

It works well except in the case of "an inactive disk suddenly goes
busy", where the initial target share may be too small. To mitigate
this, bdi_position_ratio() has the below line to raise a small
bdi_thresh when it's safe to do so, so that the disk be feed with enough
dirty pages for efficient IO and in turn fast rampup of bdi_thresh:

        bdi_thresh = max(bdi_thresh, (limit - dirty) / 8);

balance_dirty_pages() normally does negative feedback control which
adjusts ratelimit to balance the bdi dirty pages around the target.
In some extreme cases when that is not enough, it will have to block
the tasks completely until the bdi dirty pages drop below bdi_thresh.

Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 mm/page-writeback.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 71252486bc6f..155efca4c123 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -411,8 +411,13 @@ void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty)
  *
  * Returns @bdi's dirty limit in pages. The term "dirty" in the context of
  * dirty balancing includes all PG_dirty, PG_writeback and NFS unstable pages.
- * And the "limit" in the name is not seriously taken as hard limit in
- * balance_dirty_pages().
+ *
+ * Note that balance_dirty_pages() will only seriously take it as a hard limit
+ * when sleeping max_pause per page is not enough to keep the dirty pages under
+ * control. For example, when the device is completely stalled due to some error
+ * conditions, or when there are 1000 dd tasks writing to a slow 10MB/s USB key.
+ * In the other normal situations, it acts more gently by throttling the tasks
+ * more (rather than completely block them) when the bdi dirty pages go high.
  *
  * It allocates high/low dirty limits to fast/slow devices, in order to prevent
  * - starving fast devices
@@ -594,6 +599,13 @@ static unsigned long bdi_position_ratio(struct backing_dev_info *bdi,
 	 */
 	if (unlikely(bdi_thresh > thresh))
 		bdi_thresh = thresh;
+	/*
+	 * It's very possible that bdi_thresh is close to 0 not because the
+	 * device is slow, but that it has remained inactive for long time.
+	 * Honour such devices a reasonable good (hopefully IO efficient)
+	 * threshold, so that the occasional writes won't be blocked and active
+	 * writes can rampup the threshold quickly.
+	 */
 	bdi_thresh = max(bdi_thresh, (limit - dirty) / 8);
 	/*
 	 * scale global setpoint to bdi's:
-- 
GitLab


From c5c6343c4d75f9d3226e05a72e7861e967fc8099 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Fri, 2 Dec 2011 10:21:33 -0600
Subject: [PATCH 1297/1594] writeback: permit through good bdi even when global
 dirty exceeded

On a system with 1 local mount and 1 NFS mount, if the NFS server
becomes not responding when dd to the NFS mount, the NFS dirty pages may
exceed the global dirty limit and _every_ task involving writing will be
blocked. The whole system appears unresponsive.

The workaround is to permit through the bdi's that only has a small
number of dirty pages. The number chosen (bdi_stat_error pages) is not
enough to enable the local disk to run in optimal throughput, however is
enough to make the system responsive on a broken NFS mount. The user can
then kill the dirtiers on the NFS mount and increase the global dirty
limit to bring up the local disk's throughput.

It risks allowing dirty pages to grow much larger than the global dirty
limit when there are 1000+ mounts, however that's very unlikely to happen,
especially in low memory profiles.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 mm/page-writeback.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 155efca4c123..17403e3a7c89 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1148,6 +1148,19 @@ pause:
 		if (task_ratelimit)
 			break;
 
+		/*
+		 * In the case of an unresponding NFS server and the NFS dirty
+		 * pages exceeds dirty_thresh, give the other good bdi's a pipe
+		 * to go through, so that tasks on them still remain responsive.
+		 *
+		 * In theory 1 page is enough to keep the comsumer-producer
+		 * pipe going: the flusher cleans 1 page => the task dirties 1
+		 * more page. However bdi_dirty has accounting errors.  So use
+		 * the larger and more IO friendly bdi_stat_error.
+		 */
+		if (bdi_dirty <= bdi_stat_error(bdi))
+			break;
+
 		if (fatal_signal_pending(current))
 			break;
 	}
-- 
GitLab


From 82e230a07de3812a5e87a27979f033dad59172e3 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Fri, 2 Dec 2011 18:21:51 -0600
Subject: [PATCH 1298/1594] writeback: set max_pause to lowest value on zero
 bdi_dirty

Some trace shows lots of bdi_dirty=0 lines where it's actually some
small value if w/o the accounting errors in the per-cpu bdi stats.

In this case the max pause time should really be set to the smallest
(non-zero) value to avoid IO queue underrun and improve throughput.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 mm/page-writeback.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 17403e3a7c89..50f08241f981 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -989,8 +989,7 @@ static unsigned long bdi_max_pause(struct backing_dev_info *bdi,
 	 *
 	 * 8 serves as the safety ratio.
 	 */
-	if (bdi_dirty)
-		t = min(t, bdi_dirty * HZ / (8 * bw + 1));
+	t = min(t, bdi_dirty * HZ / (8 * bw + 1));
 
 	/*
 	 * The pause time will be settled within range (max_pause/4, max_pause).
-- 
GitLab


From 053bf34f5aff499d7b595c500bbab5cbab3636e7 Mon Sep 17 00:00:00 2001
From: Per Forlin <per.forlin@linaro.org>
Date: Mon, 7 Nov 2011 21:55:11 +0530
Subject: [PATCH 1299/1594] mmc: omap_hsmmc: DMA unmap only once in case of MMC
 error

Reported by Russell King:
mmcblk0: error -84 transferring data, sector 149201, nr 64,
cmd response 0x900, card status 0xb00
mmcblk0: retrying using single block read

WARNING: at lib/dma-debug.c:811 check_unmap
omap_hsmmc omap_hsmmc.0: DMA-API: device driver tries to free DMA memory
it has not allocated [device address=0x0000000080933000] [size=20480 bytes]

In case of an error dma_unmap() is issued in omap_hsmmc_dma_cleanup()
and then again in omap_hsmmc_post_req(). Resolve this by clearing the
host_cookie to indicate there is no DMA mapped memory to unmap.

Signed-off-by: Per Forlin <per.forlin@linaro.org>
Tested-by: Balaji T K <balajitk@ti.com>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/host/omap_hsmmc.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 101cd31c8220..d5fe43d53c51 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1010,6 +1010,7 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
 			host->data->sg_len,
 			omap_hsmmc_get_dma_dir(host, host->data));
 		omap_free_dma(dma_ch);
+		host->data->host_cookie = 0;
 	}
 	host->data = NULL;
 }
@@ -1575,8 +1576,10 @@ static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
 	struct mmc_data *data = mrq->data;
 
 	if (host->use_dma) {
-		dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
-			     omap_hsmmc_get_dma_dir(host, data));
+		if (data->host_cookie)
+			dma_unmap_sg(mmc_dev(host->mmc), data->sg,
+				     data->sg_len,
+				     omap_hsmmc_get_dma_dir(host, data));
 		data->host_cookie = 0;
 	}
 }
-- 
GitLab


From 1d23f178d56ae1349b4fc5108ac8f4f8cdc92afc Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 8 Dec 2011 15:49:12 +1100
Subject: [PATCH 1300/1594] md: refine interpretation of "hold_active ==
 UNTIL_IOCTL".

We like md devices to disappear when they really are not needed.
However it is not possible to tell from the current state whether it
is needed or not.  We can only tell from recent history of changes.

In particular immediately after we create an md device it looks very
similar to immediately after we have finished with it.

So we always preserve a newly created md device until something
significant happens.  This state is stored in 'hold_active'.

The normal case is to keep it until an ioctl happens, as that will
normally either activate it, or explicitly de-activate it.  If it
doesn't then it was probably created by mistake and it is now time to
get rid of it.

We can also modify an array via sysfs (instead of via ioctl) and we
currently treat any change via sysfs like an ioctl as a sign that if
it now isn't more active, it should be destroyed.
However this is not appropriate as changes made via sysfs are more
gradual so we should look for a more definitive change.

So this patch only clears 'hold_active' from UNTIL_IOCTL to clear when
the array_state is changed via sysfs.  Other changes via sysfs
are ignored.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 84acfe7d10e4..93b0da133507 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3788,6 +3788,8 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
 	if (err)
 		return err;
 	else {
+		if (mddev->hold_active == UNTIL_IOCTL)
+			mddev->hold_active = 0;
 		sysfs_notify_dirent_safe(mddev->sysfs_state);
 		return len;
 	}
@@ -4508,8 +4510,6 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
 	rv = mddev_lock(mddev);
-	if (mddev->hold_active == UNTIL_IOCTL)
-		mddev->hold_active = 0;
 	if (!rv) {
 		rv = entry->store(mddev, page, length);
 		mddev_unlock(mddev);
-- 
GitLab


From af8a24347f966ab9fae6b0f127d1fbc9d6932d3a Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 8 Dec 2011 15:49:46 +1100
Subject: [PATCH 1301/1594] md: take a reference to mddev during sysfs access.

When we are accessing an mddev via sysfs we know that the
mddev cannot disappear because it has an embedded kobj which
is refcounted by sysfs.
And we also take the mddev_lock.
However this is not enough.

The final mddev_put could have been called and the
mddev_delayed_delete is waiting for sysfs to let go so it can destroy
the kobj and mddev.
In this state there are a lot of changes that should not be attempted.

To to guard against this we:
 - initialise mddev->all_mddevs in on last put so the state can be
   easily detected.
 - in md_attr_show and md_attr_store, check ->all_mddevs under
   all_mddevs_lock and mddev_get the mddev if it still appears to
   be active.

This means that if we get to sysfs as the mddev is being deleted we
will get -EBUSY.

rdev_attr_store and rdev_attr_show are similar but already have
sufficient protection.  They check that rdev->mddev still points to
mddev after taking mddev_lock.  As this is cleared  before delayed
removal which can only be requested under the mddev_lock, this
ensure the rdev and mddev are still alive.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 93b0da133507..f97c3b2f2f89 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -570,7 +570,7 @@ static void mddev_put(struct mddev *mddev)
 	    mddev->ctime == 0 && !mddev->hold_active) {
 		/* Array is not configured at all, and not held active,
 		 * so destroy it */
-		list_del(&mddev->all_mddevs);
+		list_del_init(&mddev->all_mddevs);
 		bs = mddev->bio_set;
 		mddev->bio_set = NULL;
 		if (mddev->gendisk) {
@@ -4489,11 +4489,20 @@ md_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
 
 	if (!entry->show)
 		return -EIO;
+	spin_lock(&all_mddevs_lock);
+	if (list_empty(&mddev->all_mddevs)) {
+		spin_unlock(&all_mddevs_lock);
+		return -EBUSY;
+	}
+	mddev_get(mddev);
+	spin_unlock(&all_mddevs_lock);
+
 	rv = mddev_lock(mddev);
 	if (!rv) {
 		rv = entry->show(mddev, page);
 		mddev_unlock(mddev);
 	}
+	mddev_put(mddev);
 	return rv;
 }
 
@@ -4509,11 +4518,19 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
 		return -EIO;
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
+	spin_lock(&all_mddevs_lock);
+	if (list_empty(&mddev->all_mddevs)) {
+		spin_unlock(&all_mddevs_lock);
+		return -EBUSY;
+	}
+	mddev_get(mddev);
+	spin_unlock(&all_mddevs_lock);
 	rv = mddev_lock(mddev);
 	if (!rv) {
 		rv = entry->store(mddev, page, length);
 		mddev_unlock(mddev);
 	}
+	mddev_put(mddev);
 	return rv;
 }
 
-- 
GitLab


From 52c64152a935e63d9ff73ce823730c9a23dedbff Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 8 Dec 2011 16:22:48 +1100
Subject: [PATCH 1302/1594] md: bad blocks shouldn't cause a Blocked status on
 a Faulty device.

Once a device is marked Faulty the badblocks - whether acknowledged or
not - become irrelevant.  So they shouldn't cause the device to be
marked as Blocked.

Without this patch, a process might write "-blocked" to clear the
Blocked status, but while that will correctly fail the device, it
won't remove the apparent 'blocked' status.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index f97c3b2f2f89..d730e8f513a7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2546,7 +2546,8 @@ state_show(struct md_rdev *rdev, char *page)
 		sep = ",";
 	}
 	if (test_bit(Blocked, &rdev->flags) ||
-	    rdev->badblocks.unacked_exist) {
+	    (rdev->badblocks.unacked_exist
+	     && !test_bit(Faulty, &rdev->flags))) {
 		len += sprintf(page+len, "%sblocked", sep);
 		sep = ",";
 	}
-- 
GitLab


From 8bd2f0a05b361e07d48bb34398593f5f523946b3 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 8 Dec 2011 16:26:08 +1100
Subject: [PATCH 1303/1594] md: ensure new badblocks are handled promptly.

When we mark blocks as bad we need them to be acknowledged by the
metadata handler promptly.

For an in-kernel metadata handler that was already being done.  But
for an external metadata handler we need to alert it of the change by
sending a notification through the sysfs file.  This adds that
notification.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index d730e8f513a7..ee981737edfc 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7858,6 +7858,7 @@ int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
 				  s + rdev->data_offset, sectors, acknowledged);
 	if (rv) {
 		/* Make sure they get written out promptly */
+		sysfs_notify_dirent_safe(rdev->sysfs_state);
 		set_bit(MD_CHANGE_CLEAN, &rdev->mddev->flags);
 		md_wakeup_thread(rdev->mddev->thread);
 	}
-- 
GitLab


From 9283d8c5af4cdcb809e655acdf4be368afec8b58 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 8 Dec 2011 16:27:57 +1100
Subject: [PATCH 1304/1594] md/raid5: never wait for bad-block acks on failed
 device.

Once a device is failed we really want to completely ignore it.
It should go away soon anyway.

In particular the presence of bad blocks on it should not cause us to
block as we won't be trying to write there anyway.

So as soon as we can check if a device is Faulty, do so and pretend
that it is already gone if it is Faulty.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid5.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 297e26092178..b0dec01028f4 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3036,6 +3036,8 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 		if (dev->written)
 			s->written++;
 		rdev = rcu_dereference(conf->disks[i].rdev);
+		if (rdev && test_bit(Faulty, &rdev->flags))
+			rdev = NULL;
 		if (rdev) {
 			is_bad = is_badblock(rdev, sh->sector, STRIPE_SECTORS,
 					     &first_bad, &bad_sectors);
@@ -3063,7 +3065,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 			}
 		} else if (test_bit(In_sync, &rdev->flags))
 			set_bit(R5_Insync, &dev->flags);
-		else if (!test_bit(Faulty, &rdev->flags)) {
+		else {
 			/* in sync if before recovery_offset */
 			if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
 				set_bit(R5_Insync, &dev->flags);
-- 
GitLab


From c564a0cb9d0c7f4ac50f1e9ca8bc67fd66cd550f Mon Sep 17 00:00:00 2001
From: "Jett.Zhou" <jtzhou@marvell.com>
Date: Wed, 30 Nov 2011 14:32:54 +0800
Subject: [PATCH 1305/1594] ARM: sa1100: fix build error

arm-eabi-4.4.3-ld:--defsym zreladdr=: syntax error
make[2]: *** [arch/arm/boot/compressed/vmlinux] Error 1
make[1]: *** [arch/arm/boot/compressed/vmlinux] Error 2
make: *** [uImage] Error 2

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
---
 arch/arm/mach-sa1100/Makefile.boot | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-sa1100/Makefile.boot b/arch/arm/mach-sa1100/Makefile.boot
index 5a616f6e5612..f7951aa04562 100644
--- a/arch/arm/mach-sa1100/Makefile.boot
+++ b/arch/arm/mach-sa1100/Makefile.boot
@@ -1,5 +1,5 @@
-ifeq ($(CONFIG_ARCH_SA1100),y)
-   zreladdr-$(CONFIG_SA1111)		+= 0xc0208000
+ifeq ($(CONFIG_SA1111),y)
+   zreladdr-y	+= 0xc0208000
 else
    zreladdr-y	+= 0xc0008000
 endif
-- 
GitLab


From 274bd4fb3ed6b72c1d77ef8850511f09fc6b8e4d Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Date: Wed, 7 Dec 2011 20:08:40 -0500
Subject: [PATCH 1306/1594] Btrfs: try cluster but don't advance in search list

When we find an existing cluster, we switch to its block group as the
current block group, possibly skipping multiple blocks in the process.
Furthermore, under heavy contention, multiple threads may fail to
allocate from a cluster and then release just-created clusters just to
proceed to create new ones in a different block group.

This patch tries to allocate from an existing cluster regardless of its
block group, and doesn't switch to that group, instead proceeding to
try to allocate a cluster from the group it was iterating before the
attempt.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent-tree.c | 74 ++++++++++++++++++------------------------
 1 file changed, 31 insertions(+), 43 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index db0b23b14f20..05e1386b8bec 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5106,11 +5106,11 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
 	struct btrfs_root *root = orig_root->fs_info->extent_root;
 	struct btrfs_free_cluster *last_ptr = NULL;
 	struct btrfs_block_group_cache *block_group = NULL;
+	struct btrfs_block_group_cache *used_block_group;
 	int empty_cluster = 2 * 1024 * 1024;
 	int allowed_chunk_alloc = 0;
 	int done_chunk_alloc = 0;
 	struct btrfs_space_info *space_info;
-	int last_ptr_loop = 0;
 	int loop = 0;
 	int index = 0;
 	int alloc_type = (data & BTRFS_BLOCK_GROUP_DATA) ?
@@ -5172,6 +5172,7 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
 ideal_cache:
 		block_group = btrfs_lookup_block_group(root->fs_info,
 						       search_start);
+		used_block_group = block_group;
 		/*
 		 * we don't want to use the block group if it doesn't match our
 		 * allocation bits, or if its not cached.
@@ -5209,6 +5210,7 @@ search:
 		u64 offset;
 		int cached;
 
+		used_block_group = block_group;
 		btrfs_get_block_group(block_group);
 		search_start = block_group->key.objectid;
 
@@ -5294,49 +5296,33 @@ alloc:
 			 * people trying to start a new cluster
 			 */
 			spin_lock(&last_ptr->refill_lock);
-			if (!last_ptr->block_group ||
-			    last_ptr->block_group->ro ||
-			    !block_group_bits(last_ptr->block_group, data))
+			used_block_group = last_ptr->block_group;
+			if (used_block_group != block_group &&
+			    (!used_block_group ||
+			     used_block_group->ro ||
+			     !block_group_bits(used_block_group, data))) {
+				used_block_group = block_group;
 				goto refill_cluster;
+			}
+
+			if (used_block_group != block_group)
+				btrfs_get_block_group(used_block_group);
 
-			offset = btrfs_alloc_from_cluster(block_group, last_ptr,
-						 num_bytes, search_start);
+			offset = btrfs_alloc_from_cluster(used_block_group,
+			  last_ptr, num_bytes, used_block_group->key.objectid);
 			if (offset) {
 				/* we have a block, we're done */
 				spin_unlock(&last_ptr->refill_lock);
 				goto checks;
 			}
 
-			spin_lock(&last_ptr->lock);
-			/*
-			 * whoops, this cluster doesn't actually point to
-			 * this block group.  Get a ref on the block
-			 * group is does point to and try again
-			 */
-			if (!last_ptr_loop && last_ptr->block_group &&
-			    last_ptr->block_group != block_group &&
-			    index <=
-				 get_block_group_index(last_ptr->block_group)) {
-
-				btrfs_put_block_group(block_group);
-				block_group = last_ptr->block_group;
-				btrfs_get_block_group(block_group);
-				spin_unlock(&last_ptr->lock);
-				spin_unlock(&last_ptr->refill_lock);
-
-				last_ptr_loop = 1;
-				search_start = block_group->key.objectid;
-				/*
-				 * we know this block group is properly
-				 * in the list because
-				 * btrfs_remove_block_group, drops the
-				 * cluster before it removes the block
-				 * group from the list
-				 */
-				goto have_block_group;
+			WARN_ON(last_ptr->block_group != used_block_group);
+			if (used_block_group != block_group) {
+				btrfs_put_block_group(used_block_group);
+				used_block_group = block_group;
 			}
-			spin_unlock(&last_ptr->lock);
 refill_cluster:
+			BUG_ON(used_block_group != block_group);
 			/* If we are on LOOP_NO_EMPTY_SIZE, we can't
 			 * set up a new clusters, so lets just skip it
 			 * and let the allocator find whatever block
@@ -5357,8 +5343,6 @@ refill_cluster:
 			 */
 			btrfs_return_cluster_to_free_space(NULL, last_ptr);
 
-			last_ptr_loop = 0;
-
 			/* allocate a cluster in this block group */
 			ret = btrfs_find_space_cluster(trans, root,
 					       block_group, last_ptr,
@@ -5425,14 +5409,14 @@ checks:
 		search_start = stripe_align(root, offset);
 		/* move on to the next group */
 		if (search_start + num_bytes >= search_end) {
-			btrfs_add_free_space(block_group, offset, num_bytes);
+			btrfs_add_free_space(used_block_group, offset, num_bytes);
 			goto loop;
 		}
 
 		/* move on to the next group */
 		if (search_start + num_bytes >
-		    block_group->key.objectid + block_group->key.offset) {
-			btrfs_add_free_space(block_group, offset, num_bytes);
+		    used_block_group->key.objectid + used_block_group->key.offset) {
+			btrfs_add_free_space(used_block_group, offset, num_bytes);
 			goto loop;
 		}
 
@@ -5440,14 +5424,14 @@ checks:
 		ins->offset = num_bytes;
 
 		if (offset < search_start)
-			btrfs_add_free_space(block_group, offset,
+			btrfs_add_free_space(used_block_group, offset,
 					     search_start - offset);
 		BUG_ON(offset > search_start);
 
-		ret = btrfs_update_reserved_bytes(block_group, num_bytes,
+		ret = btrfs_update_reserved_bytes(used_block_group, num_bytes,
 						  alloc_type);
 		if (ret == -EAGAIN) {
-			btrfs_add_free_space(block_group, offset, num_bytes);
+			btrfs_add_free_space(used_block_group, offset, num_bytes);
 			goto loop;
 		}
 
@@ -5456,15 +5440,19 @@ checks:
 		ins->offset = num_bytes;
 
 		if (offset < search_start)
-			btrfs_add_free_space(block_group, offset,
+			btrfs_add_free_space(used_block_group, offset,
 					     search_start - offset);
 		BUG_ON(offset > search_start);
+		if (used_block_group != block_group)
+			btrfs_put_block_group(used_block_group);
 		btrfs_put_block_group(block_group);
 		break;
 loop:
 		failed_cluster_refill = false;
 		failed_alloc = false;
 		BUG_ON(index != get_block_group_index(block_group));
+		if (used_block_group != block_group)
+			btrfs_put_block_group(used_block_group);
 		btrfs_put_block_group(block_group);
 	}
 	up_read(&space_info->groups_sem);
-- 
GitLab


From a5d16333612718569ffd26064270e535cb9c3928 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Wed, 7 Dec 2011 20:08:40 -0500
Subject: [PATCH 1307/1594] Btrfs: check if the to-be-added device is writable

If we call ioctl(BTRFS_IOC_ADD_DEV) directly, we'll succeed in adding
a readonly device to a btrfs filesystem, and btrfs will write to
that device, emitting kernel errors:

[ 3109.833692] lost page write due to I/O error on loop2
[ 3109.833720] lost page write due to I/O error on loop2
...

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/volumes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c37433d3cd82..0a8c8f8304b1 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1611,7 +1611,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
 	if ((sb->s_flags & MS_RDONLY) && !root->fs_info->fs_devices->seeding)
 		return -EINVAL;
 
-	bdev = blkdev_get_by_path(device_path, FMODE_EXCL,
+	bdev = blkdev_get_by_path(device_path, FMODE_WRITE | FMODE_EXCL,
 				  root->fs_info->bdev_holder);
 	if (IS_ERR(bdev))
 		return PTR_ERR(bdev);
-- 
GitLab


From 1cf4ffdb3289624a6462c94f2ce05545b32ef736 Mon Sep 17 00:00:00 2001
From: Liu Bo <liubo2009@cn.fujitsu.com>
Date: Wed, 7 Dec 2011 20:08:40 -0500
Subject: [PATCH 1308/1594] Btrfs: drop spin lock when memory alloc fails

Drop spin lock in convert_extent_bit() when memory alloc fails,
otherwise, it will be a deadlock.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/extent_io.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index be1bf627a14b..49f3c9dc09f4 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -935,8 +935,10 @@ again:
 	node = tree_search(tree, start);
 	if (!node) {
 		prealloc = alloc_extent_state_atomic(prealloc);
-		if (!prealloc)
-			return -ENOMEM;
+		if (!prealloc) {
+			err = -ENOMEM;
+			goto out;
+		}
 		err = insert_state(tree, prealloc, start, end, &bits);
 		prealloc = NULL;
 		BUG_ON(err == -EEXIST);
@@ -992,8 +994,10 @@ hit_next:
 	 */
 	if (state->start < start) {
 		prealloc = alloc_extent_state_atomic(prealloc);
-		if (!prealloc)
-			return -ENOMEM;
+		if (!prealloc) {
+			err = -ENOMEM;
+			goto out;
+		}
 		err = split_state(tree, state, prealloc, start);
 		BUG_ON(err == -EEXIST);
 		prealloc = NULL;
@@ -1024,8 +1028,10 @@ hit_next:
 			this_end = last_start - 1;
 
 		prealloc = alloc_extent_state_atomic(prealloc);
-		if (!prealloc)
-			return -ENOMEM;
+		if (!prealloc) {
+			err = -ENOMEM;
+			goto out;
+		}
 
 		/*
 		 * Avoid to free 'prealloc' if it can be merged with
@@ -1051,8 +1057,10 @@ hit_next:
 	 */
 	if (state->start <= end && state->end > end) {
 		prealloc = alloc_extent_state_atomic(prealloc);
-		if (!prealloc)
-			return -ENOMEM;
+		if (!prealloc) {
+			err = -ENOMEM;
+			goto out;
+		}
 
 		err = split_state(tree, state, prealloc, end + 1);
 		BUG_ON(err == -EEXIST);
-- 
GitLab


From 329456d1ffb416c220813725b7363cda9975c9aa Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Mon, 5 Dec 2011 23:19:51 +0100
Subject: [PATCH 1309/1594] ssb: fix init regression with SoCs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This fixes a Data bus error on some SoCs. The first fix for this
problem did not solve it on all devices.
    commit 6ae8ec27868bfdbb815287bee8146acbefaee867
    Author: Rafał Miłecki <zajec5@gmail.com>
    Date:   Tue Jul 5 17:25:32 2011 +0200
        ssb: fix init regression of hostmode PCI core

In ssb_pcicore_fix_sprom_core_index() the sprom on the PCI core is
accessed, but the sprom only exists when the ssb bus is connected over
a PCI bus to the rest of the system and not when the SSB Bus is the
main system bus. SoCs sometimes have a PCI host controller and there
this code will not be executed, but there are some old SoCs with an PCI
controller in client mode around and ssb_pcicore_fix_sprom_core_index()
should not be called on these devices too. The PCI controller on these
devices are unused, but without this fix it results in an Data bus
error when it gets initialized.

Cc: Michael Buesch <m@bues.ch>
Cc: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/ssb/driver_pcicore.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index e6ac3177fbbe..32c535f5ce31 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -516,10 +516,14 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
 
 static void __devinit ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
 {
-	ssb_pcicore_fix_sprom_core_index(pc);
+	struct ssb_device *pdev = pc->dev;
+	struct ssb_bus *bus = pdev->bus;
+
+	if (bus->bustype == SSB_BUSTYPE_PCI)
+		ssb_pcicore_fix_sprom_core_index(pc);
 
 	/* Disable PCI interrupts. */
-	ssb_write32(pc->dev, SSB_INTVEC, 0);
+	ssb_write32(pdev, SSB_INTVEC, 0);
 
 	/* Additional PCIe always once-executed workarounds */
 	if (pc->dev->id.coreid == SSB_DEV_PCIE) {
-- 
GitLab


From 2ded6e6a94c98ea453a156748cb7fabaf39a76b9 Mon Sep 17 00:00:00 2001
From: Mark Langsdorf <mark.langsdorf@amd.com>
Date: Fri, 18 Nov 2011 16:33:06 +0100
Subject: [PATCH 1310/1594] x86, hpet: Immediately disable HPET timer 1 if rtc
 irq is masked

When HPET is operating in RTC mode, the TN_ENABLE bit on timer1
controls whether the HPET or the RTC delivers interrupts to irq8. When
the system goes into suspend, the RTC driver sends a signal to the
HPET driver so that the HPET releases control of irq8, allowing the
RTC to wake the system from suspend. The switchover is accomplished by
a write to the HPET configuration registers which currently only
occurs while servicing the HPET interrupt.

On some systems, I have seen the system suspend before an HPET
interrupt occurs, preventing the write to the HPET configuration
register and leaving the HPET in control of the irq8. As the HPET is
not active during suspend, it does not generate a wake signal and RTC
alarms do not work.

This patch forces the HPET driver to immediately transfer control of
the irq8 channel to the RTC instead of waiting until the next
interrupt event.

Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
Link: http://lkml.kernel.org/r/20111118153306.GB16319@alberich.amd.com
Tested-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
---
 arch/x86/kernel/hpet.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index b946a9eac7d9..1bb0bf4d92cd 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -1049,6 +1049,14 @@ int hpet_rtc_timer_init(void)
 }
 EXPORT_SYMBOL_GPL(hpet_rtc_timer_init);
 
+static void hpet_disable_rtc_channel(void)
+{
+	unsigned long cfg;
+	cfg = hpet_readl(HPET_T1_CFG);
+	cfg &= ~HPET_TN_ENABLE;
+	hpet_writel(cfg, HPET_T1_CFG);
+}
+
 /*
  * The functions below are called from rtc driver.
  * Return 0 if HPET is not being used.
@@ -1060,6 +1068,9 @@ int hpet_mask_rtc_irq_bit(unsigned long bit_mask)
 		return 0;
 
 	hpet_rtc_flags &= ~bit_mask;
+	if (unlikely(!hpet_rtc_flags))
+		hpet_disable_rtc_channel();
+
 	return 1;
 }
 EXPORT_SYMBOL_GPL(hpet_mask_rtc_irq_bit);
@@ -1125,15 +1136,11 @@ EXPORT_SYMBOL_GPL(hpet_rtc_dropped_irq);
 
 static void hpet_rtc_timer_reinit(void)
 {
-	unsigned int cfg, delta;
+	unsigned int delta;
 	int lost_ints = -1;
 
-	if (unlikely(!hpet_rtc_flags)) {
-		cfg = hpet_readl(HPET_T1_CFG);
-		cfg &= ~HPET_TN_ENABLE;
-		hpet_writel(cfg, HPET_T1_CFG);
-		return;
-	}
+	if (unlikely(!hpet_rtc_flags))
+		hpet_disable_rtc_channel();
 
 	if (!(hpet_rtc_flags & RTC_PIE) || hpet_pie_limit)
 		delta = hpet_default_delta;
-- 
GitLab


From 1418a3e5ad4d01b1d4abf2c479c50b0cedd59e3f Mon Sep 17 00:00:00 2001
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Thu, 8 Dec 2011 21:24:06 +0900
Subject: [PATCH 1311/1594] TOMOYO: Fix pathname handling of disconnected
 paths.

Current tomoyo_realpath_from_path() implementation returns strange pathname
when calculating pathname of a file which belongs to lazy unmounted tree.
Use local pathname rather than strange absolute pathname in that case.

Also, this patch fixes a regression by commit 02125a82 "fix apparmor
dereferencing potentially freed dentry, sanitize __d_path() API".

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 security/tomoyo/realpath.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index 36fa7c9bedc4..d9f3ced8756e 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -293,8 +293,16 @@ char *tomoyo_realpath_from_path(struct path *path)
 			pos = tomoyo_get_local_path(path->dentry, buf,
 						    buf_len - 1);
 		/* Get absolute name for the rest. */
-		else
+		else {
 			pos = tomoyo_get_absolute_path(path, buf, buf_len - 1);
+			/*
+			 * Fall back to local name if absolute name is not
+			 * available.
+			 */
+			if (pos == ERR_PTR(-EINVAL))
+				pos = tomoyo_get_local_path(path->dentry, buf,
+							    buf_len - 1);
+		}
 encode:
 		if (IS_ERR(pos))
 			continue;
-- 
GitLab


From 5d8c71f9e5fbdd95650be00294d238e27a363b5c Mon Sep 17 00:00:00 2001
From: Adam Kwolek <adam.kwolek@intel.com>
Date: Fri, 9 Dec 2011 14:26:11 +1100
Subject: [PATCH 1312/1594] md: raid5 crash during degradation

NULL pointer access causes crash in raid5 module.

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid5.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b0dec01028f4..31670f8d6b65 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3070,7 +3070,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 			if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
 				set_bit(R5_Insync, &dev->flags);
 		}
-		if (test_bit(R5_WriteError, &dev->flags)) {
+		if (rdev && test_bit(R5_WriteError, &dev->flags)) {
 			clear_bit(R5_Insync, &dev->flags);
 			if (!test_bit(Faulty, &rdev->flags)) {
 				s->handle_bad_blocks = 1;
@@ -3078,7 +3078,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 			} else
 				clear_bit(R5_WriteError, &dev->flags);
 		}
-		if (test_bit(R5_MadeGood, &dev->flags)) {
+		if (rdev && test_bit(R5_MadeGood, &dev->flags)) {
 			if (!test_bit(Faulty, &rdev->flags)) {
 				s->handle_bad_blocks = 1;
 				atomic_inc(&rdev->nr_pending);
-- 
GitLab


From 9a5101c8968c7b3e7de5564af6358d7332cf9a6b Mon Sep 17 00:00:00 2001
From: Pavel Shilovsky <piastry@etersoft.ru>
Date: Mon, 7 Nov 2011 16:11:24 +0300
Subject: [PATCH 1313/1594] CIFS: Add descriptions to the brlock cache
 functions

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/file.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index cf0b1539b321..4dd9283885e7 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -702,6 +702,13 @@ cifs_find_lock_conflict(struct cifsInodeInfo *cinode, struct cifsLockInfo *lock,
 					 lock->type, lock->netfid, conf_lock);
 }
 
+/*
+ * Check if there is another lock that prevents us to set the lock (mandatory
+ * style). If such a lock exists, update the flock structure with its
+ * properties. Otherwise, set the flock type to F_UNLCK if we can cache brlocks
+ * or leave it the same if we can't. Returns 0 if we don't need to request to
+ * the server or 1 otherwise.
+ */
 static int
 cifs_lock_test(struct cifsInodeInfo *cinode, __u64 offset, __u64 length,
 	       __u8 type, __u16 netfid, struct file_lock *flock)
@@ -739,6 +746,12 @@ cifs_lock_add(struct cifsInodeInfo *cinode, struct cifsLockInfo *lock)
 	mutex_unlock(&cinode->lock_mutex);
 }
 
+/*
+ * Set the byte-range lock (mandatory style). Returns:
+ * 1) 0, if we set the lock and don't need to request to the server;
+ * 2) 1, if no locks prevent us but we need to request to the server;
+ * 3) -EACCESS, if there is a lock that prevents us and wait is false.
+ */
 static int
 cifs_lock_add_if(struct cifsInodeInfo *cinode, struct cifsLockInfo *lock,
 		 bool wait)
@@ -778,6 +791,13 @@ try_again:
 	return rc;
 }
 
+/*
+ * Check if there is another lock that prevents us to set the lock (posix
+ * style). If such a lock exists, update the flock structure with its
+ * properties. Otherwise, set the flock type to F_UNLCK if we can cache brlocks
+ * or leave it the same if we can't. Returns 0 if we don't need to request to
+ * the server or 1 otherwise.
+ */
 static int
 cifs_posix_lock_test(struct file *file, struct file_lock *flock)
 {
@@ -800,6 +820,12 @@ cifs_posix_lock_test(struct file *file, struct file_lock *flock)
 	return rc;
 }
 
+/*
+ * Set the byte-range lock (posix style). Returns:
+ * 1) 0, if we set the lock and don't need to request to the server;
+ * 2) 1, if we need to request to the server;
+ * 3) <0, if the error occurs while setting the lock.
+ */
 static int
 cifs_posix_lock_set(struct file *file, struct file_lock *flock)
 {
-- 
GitLab


From 59edb63ad08e4f3a9477223c9aaf3fba753085bf Mon Sep 17 00:00:00 2001
From: Steve French <sfrench@us.ibm.com>
Date: Thu, 10 Nov 2011 12:48:20 -0600
Subject: [PATCH 1314/1594] cifs: Fix sparse warning when calling cifs_strtoUCS

Fix sparse endian check warning while calling cifs_strtoUCS

CHECK   fs/cifs/smbencrypt.c
fs/cifs/smbencrypt.c:216:37: warning: incorrect type in argument 1
(different base types)
fs/cifs/smbencrypt.c:216:37:    expected restricted __le16 [usertype] *<noident>
fs/cifs/smbencrypt.c:216:37:    got unsigned short *<noident>

Signed-off-by: Steve French <smfrench@gmail.com>
Acked-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com
---
 fs/cifs/smbencrypt.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
index 7cacba12b8f1..80d850881938 100644
--- a/fs/cifs/smbencrypt.c
+++ b/fs/cifs/smbencrypt.c
@@ -209,7 +209,7 @@ E_md4hash(const unsigned char *passwd, unsigned char *p16,
 {
 	int rc;
 	int len;
-	__u16 wpwd[129];
+	__le16 wpwd[129];
 
 	/* Password cannot be longer than 128 characters */
 	if (passwd) /* Password must be converted to NT unicode */
@@ -219,8 +219,8 @@ E_md4hash(const unsigned char *passwd, unsigned char *p16,
 		*wpwd = 0; /* Ensure string is null terminated */
 	}
 
-	rc = mdfour(p16, (unsigned char *) wpwd, len * sizeof(__u16));
-	memset(wpwd, 0, 129 * sizeof(__u16));
+	rc = mdfour(p16, (unsigned char *) wpwd, len * sizeof(__le16));
+	memset(wpwd, 0, 129 * sizeof(__le16));
 
 	return rc;
 }
-- 
GitLab


From 95edcff497b126a3f3e079e94b20fe2ca7e5a63d Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Thu, 1 Dec 2011 20:22:41 -0500
Subject: [PATCH 1315/1594] cifs: attempt to freeze while looping on a receive
 attempt

In the recent overhaul of the demultiplex thread receive path, I
neglected to ensure that we attempt to freeze on each pass through the
receive loop.

Reported-and-Tested-by: Woody Suwalski <terraluna977@gmail.com>
Reported-and-Tested-by: Adam Williamson <awilliam@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
---
 fs/cifs/connect.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index d6a972df0338..8cd4b52d4217 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -441,6 +441,8 @@ cifs_readv_from_socket(struct TCP_Server_Info *server, struct kvec *iov_orig,
 	smb_msg.msg_controllen = 0;
 
 	for (total_read = 0; to_read; total_read += length, to_read -= length) {
+		try_to_freeze();
+
 		if (server_unresponsive(server)) {
 			total_read = -EAGAIN;
 			break;
-- 
GitLab


From 7023676f9ee851d94f0942e879243fc1f9081c47 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Thu, 1 Dec 2011 20:23:34 -0500
Subject: [PATCH 1316/1594] cifs: check for NULL last_entry before calling
 cifs_save_resume_key

Prior to commit eaf35b1, cifs_save_resume_key had some NULL pointer
checks at the top. It turns out that at least one of those NULL
pointer checks is needed after all.

When the LastNameOffset in a FIND reply appears to be beyond the end of
the buffer, CIFSFindFirst and CIFSFindNext will set srch_inf.last_entry
to NULL. Since eaf35b1, the code will now oops in this situation.

Fix this by having the callers check for a NULL last entry pointer
before calling cifs_save_resume_key. No change is needed for the
call site in cifs_readdir as it's not reachable with a NULL
current_entry pointer.

This should fix:

    https://bugzilla.redhat.com/show_bug.cgi?id=750247

Cc: stable@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>
Reported-by: Adam G. Metzler <adamgmetzler@gmail.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
---
 fs/cifs/readdir.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 5de03ec20144..a090bbe6ee29 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -554,7 +554,10 @@ static int find_cifs_entry(const int xid, struct cifs_tcon *pTcon,
 				 rc);
 			return rc;
 		}
-		cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile);
+		/* FindFirst/Next set last_entry to NULL on malformed reply */
+		if (cifsFile->srch_inf.last_entry)
+			cifs_save_resume_key(cifsFile->srch_inf.last_entry,
+						cifsFile);
 	}
 
 	while ((index_to_find >= cifsFile->srch_inf.index_of_last_entry) &&
@@ -562,7 +565,10 @@ static int find_cifs_entry(const int xid, struct cifs_tcon *pTcon,
 		cFYI(1, "calling findnext2");
 		rc = CIFSFindNext(xid, pTcon, cifsFile->netfid,
 				  &cifsFile->srch_inf);
-		cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile);
+		/* FindFirst/Next set last_entry to NULL on malformed reply */
+		if (cifsFile->srch_inf.last_entry)
+			cifs_save_resume_key(cifsFile->srch_inf.last_entry,
+						cifsFile);
 		if (rc)
 			return -ENOENT;
 	}
-- 
GitLab


From 905ad269c55fc62bee3da29f7b1d1efeba8aa1e1 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 8 Dec 2011 23:20:45 -0500
Subject: [PATCH 1317/1594] procfs: fix a vfsmount longterm reference leak

kern_mount() doesn't pair with plain mntput()...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/proc/root.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/proc/root.c b/fs/proc/root.c
index 9a8a2b77b874..03102d978180 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -91,20 +91,18 @@ static struct file_system_type proc_fs_type = {
 
 void __init proc_root_init(void)
 {
-	struct vfsmount *mnt;
 	int err;
 
 	proc_init_inodecache();
 	err = register_filesystem(&proc_fs_type);
 	if (err)
 		return;
-	mnt = kern_mount_data(&proc_fs_type, &init_pid_ns);
-	if (IS_ERR(mnt)) {
+	err = pid_ns_prepare_proc(&init_pid_ns);
+	if (err) {
 		unregister_filesystem(&proc_fs_type);
 		return;
 	}
 
-	init_pid_ns.proc_mnt = mnt;
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	proc_net_init();
@@ -209,5 +207,5 @@ int pid_ns_prepare_proc(struct pid_namespace *ns)
 
 void pid_ns_release_proc(struct pid_namespace *ns)
 {
-	mntput(ns->proc_mnt);
+	kern_unmount(ns->proc_mnt);
 }
-- 
GitLab


From 6f686574cccc2ef66fb38e41f19cedd81e7b4504 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 9 Dec 2011 00:38:50 -0500
Subject: [PATCH 1318/1594] ... and the same kind of leak for mqueue

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 ipc/mqueue.c  | 8 +++-----
 ipc/msgutil.c | 5 -----
 2 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 2e0ecfcc881d..5b4293d9819d 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1269,7 +1269,7 @@ void mq_clear_sbinfo(struct ipc_namespace *ns)
 
 void mq_put_mnt(struct ipc_namespace *ns)
 {
-	mntput(ns->mq_mnt);
+	kern_unmount(ns->mq_mnt);
 }
 
 static int __init init_mqueue_fs(void)
@@ -1291,11 +1291,9 @@ static int __init init_mqueue_fs(void)
 
 	spin_lock_init(&mq_lock);
 
-	init_ipc_ns.mq_mnt = kern_mount_data(&mqueue_fs_type, &init_ipc_ns);
-	if (IS_ERR(init_ipc_ns.mq_mnt)) {
-		error = PTR_ERR(init_ipc_ns.mq_mnt);
+	error = mq_init_ns(&init_ipc_ns);
+	if (error)
 		goto out_filesystem;
-	}
 
 	return 0;
 
diff --git a/ipc/msgutil.c b/ipc/msgutil.c
index 8b5ce5d3f3ef..5652101cdac0 100644
--- a/ipc/msgutil.c
+++ b/ipc/msgutil.c
@@ -27,11 +27,6 @@ DEFINE_SPINLOCK(mq_lock);
  */
 struct ipc_namespace init_ipc_ns = {
 	.count		= ATOMIC_INIT(1),
-#ifdef CONFIG_POSIX_MQUEUE
-	.mq_queues_max   = DFLT_QUEUESMAX,
-	.mq_msg_max      = DFLT_MSGMAX,
-	.mq_msgsize_max  = DFLT_MSGSIZEMAX,
-#endif
 	.user_ns = &init_user_ns,
 };
 
-- 
GitLab


From e8c7106280a305e1ff2a3a8a4dfce141469fb039 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt.fleming@intel.com>
Date: Fri, 18 Nov 2011 13:09:11 +0000
Subject: [PATCH 1319/1594] x86, efi: Calling __pa() with an ioremap()ed
 address is invalid

If we encounter an efi_memory_desc_t without EFI_MEMORY_WB set
in ->attribute we currently call set_memory_uc(), which in turn
calls __pa() on a potentially ioremap'd address.

On CONFIG_X86_32 this is invalid, resulting in the following
oops on some machines:

  BUG: unable to handle kernel paging request at f7f22280
  IP: [<c10257b9>] reserve_ram_pages_type+0x89/0x210
  [...]

  Call Trace:
   [<c104f8ca>] ? page_is_ram+0x1a/0x40
   [<c1025aff>] reserve_memtype+0xdf/0x2f0
   [<c1024dc9>] set_memory_uc+0x49/0xa0
   [<c19334d0>] efi_enter_virtual_mode+0x1c2/0x3aa
   [<c19216d4>] start_kernel+0x291/0x2f2
   [<c19211c7>] ? loglevel+0x1b/0x1b
   [<c19210bf>] i386_start_kernel+0xbf/0xc8

A better approach to this problem is to map the memory region
with the correct attributes from the start, instead of modifying
it after the fact. The uncached case can be handled by
ioremap_nocache() and the cached by ioremap_cache().

Despite first impressions, it's not possible to use
ioremap_cache() to map all cached memory regions on
CONFIG_X86_64 because EFI_RUNTIME_SERVICES_DATA regions really
don't like being mapped into the vmalloc space, as detailed in
the following bug report,

	https://bugzilla.redhat.com/show_bug.cgi?id=748516

Therefore, we need to ensure that any EFI_RUNTIME_SERVICES_DATA
regions are covered by the direct kernel mapping table on
CONFIG_X86_64. To accomplish this we now map E820_RESERVED_EFI
regions via the direct kernel mapping with the initial call to
init_memory_mapping() in setup_arch(), whereas previously these
regions wouldn't be mapped if they were after the last E820_RAM
region until efi_ioremap() was called. Doing it this way allows
us to delete efi_ioremap() completely.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Huang Ying <huang.ying.caritas@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1321621751-3650-1-git-send-email-matt@console-pimps.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/e820.h    |  8 ++++++++
 arch/x86/include/asm/efi.h     |  5 -----
 arch/x86/kernel/e820.c         |  3 ++-
 arch/x86/kernel/setup.c        | 21 ++++++++++++++++++++-
 arch/x86/platform/efi/efi.c    | 29 ++++++++++++++++++-----------
 arch/x86/platform/efi/efi_64.c | 17 -----------------
 6 files changed, 48 insertions(+), 35 deletions(-)

diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 908b96957d88..c9547033e38e 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -53,6 +53,13 @@
  */
 #define E820_RESERVED_KERN        128
 
+/*
+ * Address ranges that need to be mapped by the kernel direct
+ * mapping. This is used to make sure regions such as
+ * EFI_RUNTIME_SERVICES_DATA are directly mapped. See setup_arch().
+ */
+#define E820_RESERVED_EFI         129
+
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
 struct e820entry {
@@ -115,6 +122,7 @@ static inline void early_memtest(unsigned long start, unsigned long end)
 }
 #endif
 
+extern unsigned long e820_end_pfn(unsigned long limit_pfn, unsigned type);
 extern unsigned long e820_end_of_ram_pfn(void);
 extern unsigned long e820_end_of_low_ram_pfn(void);
 extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 7093e4a6a0bc..b8d8bfcd44a9 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -33,8 +33,6 @@ extern unsigned long asmlinkage efi_call_phys(void *, ...);
 #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6)	\
 	efi_call_virt(f, a1, a2, a3, a4, a5, a6)
 
-#define efi_ioremap(addr, size, type)		ioremap_cache(addr, size)
-
 #else /* !CONFIG_X86_32 */
 
 extern u64 efi_call0(void *fp);
@@ -84,9 +82,6 @@ extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
 	efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
 		  (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
 
-extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
-				 u32 type);
-
 #endif /* CONFIG_X86_32 */
 
 extern int add_efi_memmap;
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 303a0e48f076..65ffd110a81b 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -135,6 +135,7 @@ static void __init e820_print_type(u32 type)
 		printk(KERN_CONT "(usable)");
 		break;
 	case E820_RESERVED:
+	case E820_RESERVED_EFI:
 		printk(KERN_CONT "(reserved)");
 		break;
 	case E820_ACPI:
@@ -783,7 +784,7 @@ u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
 /*
  * Find the highest page frame number we have available
  */
-static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
+unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
 {
 	int i;
 	unsigned long last_pfn = 0;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index cf0ef986cb6d..9a9e40fb091c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -691,6 +691,8 @@ early_param("reservelow", parse_reservelow);
 
 void __init setup_arch(char **cmdline_p)
 {
+	unsigned long end_pfn;
+
 #ifdef CONFIG_X86_32
 	memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
 	visws_early_detect();
@@ -932,7 +934,24 @@ void __init setup_arch(char **cmdline_p)
 	init_gbpages();
 
 	/* max_pfn_mapped is updated here */
-	max_low_pfn_mapped = init_memory_mapping(0, max_low_pfn<<PAGE_SHIFT);
+	end_pfn = max_low_pfn;
+
+#ifdef CONFIG_X86_64
+	/*
+	 * There may be regions after the last E820_RAM region that we
+	 * want to include in the kernel direct mapping, such as
+	 * EFI_RUNTIME_SERVICES_DATA.
+	 */
+	if (efi_enabled) {
+		unsigned long efi_end;
+
+		efi_end = e820_end_pfn(MAXMEM>>PAGE_SHIFT, E820_RESERVED_EFI);
+		if (efi_end > max_low_pfn)
+			end_pfn = efi_end;
+	}
+#endif
+
+	max_low_pfn_mapped = init_memory_mapping(0, end_pfn << PAGE_SHIFT);
 	max_pfn_mapped = max_low_pfn_mapped;
 
 #ifdef CONFIG_X86_64
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 37718f0f053d..c9718a16be15 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -323,10 +323,13 @@ static void __init do_add_efi_memmap(void)
 		case EFI_UNUSABLE_MEMORY:
 			e820_type = E820_UNUSABLE;
 			break;
+		case EFI_RUNTIME_SERVICES_DATA:
+			e820_type = E820_RESERVED_EFI;
+			break;
 		default:
 			/*
 			 * EFI_RESERVED_TYPE EFI_RUNTIME_SERVICES_CODE
-			 * EFI_RUNTIME_SERVICES_DATA EFI_MEMORY_MAPPED_IO
+			 * EFI_MEMORY_MAPPED_IO
 			 * EFI_MEMORY_MAPPED_IO_PORT_SPACE EFI_PAL_CODE
 			 */
 			e820_type = E820_RESERVED;
@@ -671,10 +674,21 @@ void __init efi_enter_virtual_mode(void)
 		end_pfn = PFN_UP(end);
 		if (end_pfn <= max_low_pfn_mapped
 		    || (end_pfn > (1UL << (32 - PAGE_SHIFT))
-			&& end_pfn <= max_pfn_mapped))
+			&& end_pfn <= max_pfn_mapped)) {
 			va = __va(md->phys_addr);
-		else
-			va = efi_ioremap(md->phys_addr, size, md->type);
+
+			if (!(md->attribute & EFI_MEMORY_WB)) {
+				addr = (u64) (unsigned long)va;
+				npages = md->num_pages;
+				memrange_efi_to_native(&addr, &npages);
+				set_memory_uc(addr, npages);
+			}
+		} else {
+			if (!(md->attribute & EFI_MEMORY_WB))
+				va = ioremap_nocache(md->phys_addr, size);
+			else
+				va = ioremap_cache(md->phys_addr, size);
+		}
 
 		md->virt_addr = (u64) (unsigned long) va;
 
@@ -684,13 +698,6 @@ void __init efi_enter_virtual_mode(void)
 			continue;
 		}
 
-		if (!(md->attribute & EFI_MEMORY_WB)) {
-			addr = md->virt_addr;
-			npages = md->num_pages;
-			memrange_efi_to_native(&addr, &npages);
-			set_memory_uc(addr, npages);
-		}
-
 		systab = (u64) (unsigned long) efi_phys.systab;
 		if (md->phys_addr <= systab && systab < end) {
 			systab += md->virt_addr - md->phys_addr;
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index ac3aa54e2654..312250c6b2de 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -80,20 +80,3 @@ void __init efi_call_phys_epilog(void)
 	local_irq_restore(efi_flags);
 	early_code_mapping_set_exec(0);
 }
-
-void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size,
-				 u32 type)
-{
-	unsigned long last_map_pfn;
-
-	if (type == EFI_MEMORY_MAPPED_IO)
-		return ioremap(phys_addr, size);
-
-	last_map_pfn = init_memory_mapping(phys_addr, phys_addr + size);
-	if ((last_map_pfn << PAGE_SHIFT) < phys_addr + size) {
-		unsigned long top = last_map_pfn << PAGE_SHIFT;
-		efi_ioremap(top, size - (top - phys_addr), type);
-	}
-
-	return (void __iomem *)__va(phys_addr);
-}
-- 
GitLab


From c0d96aed8c6dd925afe9ea35491a0cd458642a86 Mon Sep 17 00:00:00 2001
From: Jason Chen <jason.chen@linaro.org>
Date: Wed, 30 Nov 2011 11:34:27 +0800
Subject: [PATCH 1320/1594] MXC PWM: should active during DOZE/WAIT/DBG mode

Signed-off-by: Jason Chen <jason.chen@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: stable@kernel.org
---
 arch/arm/plat-mxc/pwm.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 42d74ea59084..845de59f07ed 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -32,6 +32,9 @@
 #define MX3_PWMSAR                0x0C    /* PWM Sample Register */
 #define MX3_PWMPR                 0x10    /* PWM Period Register */
 #define MX3_PWMCR_PRESCALER(x)    (((x - 1) & 0xFFF) << 4)
+#define MX3_PWMCR_DOZEEN                (1 << 24)
+#define MX3_PWMCR_WAITEN                (1 << 23)
+#define MX3_PWMCR_DBGEN			(1 << 22)
 #define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16)
 #define MX3_PWMCR_CLKSRC_IPG      (1 << 16)
 #define MX3_PWMCR_EN              (1 << 0)
@@ -77,7 +80,9 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
 		writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR);
 		writel(period_cycles, pwm->mmio_base + MX3_PWMPR);
 
-		cr = MX3_PWMCR_PRESCALER(prescale) | MX3_PWMCR_EN;
+		cr = MX3_PWMCR_PRESCALER(prescale) |
+			MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN |
+			MX3_PWMCR_DBGEN | MX3_PWMCR_EN;
 
 		if (cpu_is_mx25())
 			cr |= MX3_PWMCR_CLKSRC_IPG;
-- 
GitLab


From 16b3647d333a18141fc9d172e89a142250be0c57 Mon Sep 17 00:00:00 2001
From: Dong Aisheng <b29396@freescale.com>
Date: Sat, 12 Nov 2011 00:09:06 +0800
Subject: [PATCH 1321/1594] ARM: mx5: add __initconst for fec pdata
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/board-mx53_evk.c  | 2 +-
 arch/arm/mach-mx5/board-mx53_loco.c | 2 +-
 arch/arm/mach-mx5/board-mx53_smd.c  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 6bea31ab8f85..64bbfcea6f35 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -106,7 +106,7 @@ static inline void mx53_evk_fec_reset(void)
 	gpio_set_value(MX53_EVK_FEC_PHY_RST, 1);
 }
 
-static struct fec_platform_data mx53_evk_fec_pdata = {
+static const struct fec_platform_data mx53_evk_fec_pdata __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };
 
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 7678f7734db6..237bdecd9331 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -242,7 +242,7 @@ static inline void mx53_loco_fec_reset(void)
 	gpio_set_value(LOCO_FEC_PHY_RST, 1);
 }
 
-static struct fec_platform_data mx53_loco_fec_data = {
+static const struct fec_platform_data mx53_loco_fec_data __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };
 
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index 59c0845eb4a6..d42132a80e8f 100644
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -104,7 +104,7 @@ static inline void mx53_smd_fec_reset(void)
 	gpio_set_value(SMD_FEC_PHY_RST, 1);
 }
 
-static struct fec_platform_data mx53_smd_fec_data = {
+static const struct fec_platform_data mx53_smd_fec_data __initconst = {
 	.phy = PHY_INTERFACE_MODE_RMII,
 };
 
-- 
GitLab


From 300a47b4378a3b2e7c2a423b0aa4d75fc78987d3 Mon Sep 17 00:00:00 2001
From: Richard Zhao <richard.zhao@freescale.com>
Date: Fri, 9 Dec 2011 10:46:21 +0800
Subject: [PATCH 1322/1594] ARM: imx: fix cpufreq build errors

  CC      arch/arm/plat-mxc/cpufreq.o
arch/arm/plat-mxc/cpufreq.c:203: error: expected declaration specifiers or '...' before string constant
arch/arm/plat-mxc/cpufreq.c:203: warning: data definition has no type or storage class
arch/arm/plat-mxc/cpufreq.c:203: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
arch/arm/plat-mxc/cpufreq.c:203: warning: function declaration isn't a prototype
arch/arm/plat-mxc/cpufreq.c:204: error: expected declaration specifiers or '...' before string constant
arch/arm/plat-mxc/cpufreq.c:204: warning: data definition has no type or storage class
arch/arm/plat-mxc/cpufreq.c:204: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
arch/arm/plat-mxc/cpufreq.c:204: warning: function declaration isn't a prototype
arch/arm/plat-mxc/cpufreq.c:205: error: expected declaration specifiers or '...' before string constant
arch/arm/plat-mxc/cpufreq.c:205: warning: data definition has no type or storage class
arch/arm/plat-mxc/cpufreq.c:205: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
arch/arm/plat-mxc/cpufreq.c:205: warning: function declaration isn't a prototype
make[1]: *** [arch/arm/plat-mxc/cpufreq.o] Error 1
make: *** [arch/arm/plat-mxc] Error 2

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/plat-mxc/cpufreq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/plat-mxc/cpufreq.c b/arch/arm/plat-mxc/cpufreq.c
index 74aac96cda20..adbff706ef6f 100644
--- a/arch/arm/plat-mxc/cpufreq.c
+++ b/arch/arm/plat-mxc/cpufreq.c
@@ -17,6 +17,7 @@
  * the CPU clock speed on the fly.
  */
 
+#include <linux/module.h>
 #include <linux/cpufreq.h>
 #include <linux/clk.h>
 #include <linux/err.h>
-- 
GitLab


From 847a2ee7392e7d3278f9b82c4b503744c72ee463 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@linaro.org>
Date: Mon, 5 Dec 2011 10:28:11 +0800
Subject: [PATCH 1323/1594] arm/imx: fix power button on imx51 babbage board

Since commit 6571534 (plat-mxc: iomux-v3.h: implicitly enable
pull-up/down when that's desired) was in, the power button on imx51
babbage board stopped working because it's pulled up by mistake.
The patch removes the pull-up setting from the pad configuration for
that gpio to make the power button back to work.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-mx5/board-mx51_babbage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 5c837603ff0f..24994bb52147 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -362,7 +362,7 @@ static void __init mx51_babbage_init(void)
 {
 	iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
 	iomux_v3_cfg_t power_key = NEW_PAD_CTRL(MX51_PAD_EIM_A27__GPIO2_21,
-		PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP);
+		PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH);
 
 	imx51_soc_init();
 
-- 
GitLab


From b2c1639135c0fc1560f3fe9a3a83f2c8265a9e02 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Thu, 8 Dec 2011 20:21:40 -0800
Subject: [PATCH 1324/1594] MAINTAINERS: Update amd-iommu F: patterns

Commit 29b68415e335 ("x86: amd_iommu: move to drivers/iommu/")
moved the files, update the patterns.

CC: Ohad Ben-Cohen <ohad@wizery.com>
CC: Joerg Roedel <joerg.roedel@amd.com>

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 MAINTAINERS | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 4808256446f2..c267601ce9e1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -511,8 +511,8 @@ M:	Joerg Roedel <joerg.roedel@amd.com>
 L:	iommu@lists.linux-foundation.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git
 S:	Supported
-F:	arch/x86/kernel/amd_iommu*.c
-F:	arch/x86/include/asm/amd_iommu*.h
+F:	drivers/iommu/amd_iommu*.[ch]
+F:	include/linux/amd-iommu.h
 
 AMD MICROCODE UPDATE SUPPORT
 M:	Andreas Herrmann <andreas.herrmann3@amd.com>
-- 
GitLab


From 635697c663f38106063d5659f0cf2e45afcd4bb5 Mon Sep 17 00:00:00 2001
From: Konstantin Khlebnikov <khlebnikov@openvz.org>
Date: Thu, 8 Dec 2011 14:33:51 -0800
Subject: [PATCH 1325/1594] vmscan: fix initial shrinker size handling

A shrinker function can return -1, means that it cannot do anything
without a risk of deadlock.  For example prune_super() does this if it
cannot grab a superblock refrence, even if nr_to_scan=0.  Currently we
interpret this -1 as a ULONG_MAX size shrinker and evaluate `total_scan'
according to this.  So the next time around this shrinker can cause
really big pressure.  Let's skip such shrinkers instead.

Also make total_scan signed, otherwise the check (total_scan < 0) below
never works.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmscan.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index a1893c050795..f5255442ae2b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -247,14 +247,18 @@ unsigned long shrink_slab(struct shrink_control *shrink,
 
 	list_for_each_entry(shrinker, &shrinker_list, list) {
 		unsigned long long delta;
-		unsigned long total_scan;
-		unsigned long max_pass;
+		long total_scan;
+		long max_pass;
 		int shrink_ret = 0;
 		long nr;
 		long new_nr;
 		long batch_size = shrinker->batch ? shrinker->batch
 						  : SHRINK_BATCH;
 
+		max_pass = do_shrinker_shrink(shrinker, shrink, 0);
+		if (max_pass <= 0)
+			continue;
+
 		/*
 		 * copy the current shrinker scan count into a local variable
 		 * and zero it so that other concurrent shrinker invocations
@@ -265,7 +269,6 @@ unsigned long shrink_slab(struct shrink_control *shrink,
 		} while (cmpxchg(&shrinker->nr, nr, 0) != nr);
 
 		total_scan = nr;
-		max_pass = do_shrinker_shrink(shrinker, shrink, 0);
 		delta = (4 * nr_pages_scanned) / shrinker->seeks;
 		delta *= max_pass;
 		do_div(delta, lru_pages + 1);
-- 
GitLab


From 83aeeada7c69f35e5100b27ec354335597a7a488 Mon Sep 17 00:00:00 2001
From: Konstantin Khlebnikov <khlebnikov@openvz.org>
Date: Thu, 8 Dec 2011 14:33:54 -0800
Subject: [PATCH 1326/1594] vmscan: use atomic-long for shrinker batching

Use atomic-long operations instead of looping around cmpxchg().

[akpm@linux-foundation.org: massage atomic.h inclusions]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/fs.h       |  2 +-
 include/linux/mm.h       |  1 +
 include/linux/shrinker.h |  2 +-
 mm/vmscan.c              | 17 +++++++----------
 4 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 019dc558df1a..e0bc4ffb8e7f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -393,8 +393,8 @@ struct inodes_stat_t {
 #include <linux/semaphore.h>
 #include <linux/fiemap.h>
 #include <linux/rculist_bl.h>
-#include <linux/shrinker.h>
 #include <linux/atomic.h>
+#include <linux/shrinker.h>
 
 #include <asm/byteorder.h>
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 3dc3a8c2c485..4baadd18f4ad 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -10,6 +10,7 @@
 #include <linux/mmzone.h>
 #include <linux/rbtree.h>
 #include <linux/prio_tree.h>
+#include <linux/atomic.h>
 #include <linux/debug_locks.h>
 #include <linux/mm_types.h>
 #include <linux/range.h>
diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index a83833a1f7a2..07ceb97d53fa 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -35,7 +35,7 @@ struct shrinker {
 
 	/* These are for internal use */
 	struct list_head list;
-	long nr;	/* objs pending delete */
+	atomic_long_t nr_in_batch; /* objs pending delete */
 };
 #define DEFAULT_SEEKS 2 /* A good number if you don't know better. */
 extern void register_shrinker(struct shrinker *);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f5255442ae2b..f54a05b7a61d 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -183,7 +183,7 @@ static unsigned long zone_nr_lru_pages(struct zone *zone,
  */
 void register_shrinker(struct shrinker *shrinker)
 {
-	shrinker->nr = 0;
+	atomic_long_set(&shrinker->nr_in_batch, 0);
 	down_write(&shrinker_rwsem);
 	list_add_tail(&shrinker->list, &shrinker_list);
 	up_write(&shrinker_rwsem);
@@ -264,9 +264,7 @@ unsigned long shrink_slab(struct shrink_control *shrink,
 		 * and zero it so that other concurrent shrinker invocations
 		 * don't also do this scanning work.
 		 */
-		do {
-			nr = shrinker->nr;
-		} while (cmpxchg(&shrinker->nr, nr, 0) != nr);
+		nr = atomic_long_xchg(&shrinker->nr_in_batch, 0);
 
 		total_scan = nr;
 		delta = (4 * nr_pages_scanned) / shrinker->seeks;
@@ -328,12 +326,11 @@ unsigned long shrink_slab(struct shrink_control *shrink,
 		 * manner that handles concurrent updates. If we exhausted the
 		 * scan, there is no need to do an update.
 		 */
-		do {
-			nr = shrinker->nr;
-			new_nr = total_scan + nr;
-			if (total_scan <= 0)
-				break;
-		} while (cmpxchg(&shrinker->nr, nr, new_nr) != nr);
+		if (total_scan > 0)
+			new_nr = atomic_long_add_return(total_scan,
+					&shrinker->nr_in_batch);
+		else
+			new_nr = atomic_long_read(&shrinker->nr_in_batch);
 
 		trace_mm_shrink_slab_end(shrinker, shrink_ret, nr, new_nr);
 	}
-- 
GitLab


From b53fc7c2974a50913f49e1d800fe904a28c338e3 Mon Sep 17 00:00:00 2001
From: Claudio Scordino <claudio@evidence.eu.com>
Date: Thu, 8 Dec 2011 14:33:56 -0800
Subject: [PATCH 1327/1594] fs/proc/meminfo.c: fix compilation error

Fix the error message "directives may not be used inside a macro argument"
which appears when the kernel is compiled for the cris architecture.

Signed-off-by: Claudio Scordino <claudio@evidence.eu.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/meminfo.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 586174168e2a..80e4645f7990 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -131,12 +131,13 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
 		K(i.freeswap),
 		K(global_page_state(NR_FILE_DIRTY)),
 		K(global_page_state(NR_WRITEBACK)),
-		K(global_page_state(NR_ANON_PAGES)
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+		K(global_page_state(NR_ANON_PAGES)
 		  + global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) *
-		  HPAGE_PMD_NR
+		  HPAGE_PMD_NR),
+#else
+		K(global_page_state(NR_ANON_PAGES)),
 #endif
-		  ),
 		K(global_page_state(NR_FILE_MAPPED)),
 		K(global_page_state(NR_SHMEM)),
 		K(global_page_state(NR_SLAB_RECLAIMABLE) +
-- 
GitLab


From 1dfb059b9438633b0546c5431538a47f6ed99028 Mon Sep 17 00:00:00 2001
From: Andrea Arcangeli <aarcange@redhat.com>
Date: Thu, 8 Dec 2011 14:33:57 -0800
Subject: [PATCH 1328/1594] thp: reduce khugepaged freezing latency

khugepaged can sometimes cause suspend to fail, requiring that the user
retry the suspend operation.

Use wait_event_freezable_timeout() instead of
schedule_timeout_interruptible() to avoid missing freezer wakeups.  A
try_to_freeze() would have been needed in the khugepaged_alloc_hugepage
tight loop too in case of the allocation failing repeatedly, and
wait_event_freezable_timeout will provide it too.

khugepaged would still freeze just fine by trying again the next minute
but it's better if it freezes immediately.

Reported-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Tested-by: Jiri Slaby <jslaby@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Cc: "Rafael J. Wysocki" <rjw@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/huge_memory.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 4298abaae153..36b3d988b4ef 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2259,12 +2259,8 @@ static void khugepaged_do_scan(struct page **hpage)
 
 static void khugepaged_alloc_sleep(void)
 {
-	DEFINE_WAIT(wait);
-	add_wait_queue(&khugepaged_wait, &wait);
-	schedule_timeout_interruptible(
-		msecs_to_jiffies(
-			khugepaged_alloc_sleep_millisecs));
-	remove_wait_queue(&khugepaged_wait, &wait);
+	wait_event_freezable_timeout(khugepaged_wait, false,
+			msecs_to_jiffies(khugepaged_alloc_sleep_millisecs));
 }
 
 #ifndef CONFIG_NUMA
@@ -2313,14 +2309,10 @@ static void khugepaged_loop(void)
 		if (unlikely(kthread_should_stop()))
 			break;
 		if (khugepaged_has_work()) {
-			DEFINE_WAIT(wait);
 			if (!khugepaged_scan_sleep_millisecs)
 				continue;
-			add_wait_queue(&khugepaged_wait, &wait);
-			schedule_timeout_interruptible(
-				msecs_to_jiffies(
-					khugepaged_scan_sleep_millisecs));
-			remove_wait_queue(&khugepaged_wait, &wait);
+			wait_event_freezable_timeout(khugepaged_wait, false,
+			    msecs_to_jiffies(khugepaged_scan_sleep_millisecs));
 		} else if (khugepaged_enabled())
 			wait_event_freezable(khugepaged_wait,
 					     khugepaged_wait_event());
-- 
GitLab


From 1de8ad43d0048963d0a0adf14bb046340426b1e4 Mon Sep 17 00:00:00 2001
From: Kees Cook <kees@outflux.net>
Date: Thu, 8 Dec 2011 14:34:00 -0800
Subject: [PATCH 1329/1594] CREDITS: update Kees's expired fingerprint and fix
 details

Small clean-up for my CREDITS entry; the GPG fingerprint was not up to
date, so I fixed other details at the same time too.

Signed-off-by: Kees Cook <kees@outflux.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 CREDITS | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/CREDITS b/CREDITS
index 07e32a87d956..44fce988eaac 100644
--- a/CREDITS
+++ b/CREDITS
@@ -688,10 +688,13 @@ S: Oxfordshire, UK.
 
 N: Kees Cook
 E: kees@outflux.net
-W: http://outflux.net/
-P: 1024D/17063E6D 9FA3 C49C 23C9 D1BC 2E30  1975 1FFF 4BA9 1706 3E6D
-D: Minor updates to SCSI types, added /proc/pid/maps protection
+E: kees@ubuntu.com
+E: keescook@chromium.org
+W: http://outflux.net/blog/
+P: 4096R/DC6DC026 A5C3 F68F 229D D60F 723E  6E13 8972 F4DF DC6D C026
+D: Various security things, bug fixes, and documentation.
 S: (ask for current address)
+S: Portland, Oregon
 S: USA
 
 N: Robin Cornelius
-- 
GitLab


From 2dbcd05f1e9e0932833d16dab1696176fc164b07 Mon Sep 17 00:00:00 2001
From: Jonghwan Choi <jhbird.choi@samsung.com>
Date: Thu, 8 Dec 2011 14:34:02 -0800
Subject: [PATCH 1330/1594] drivers/rtc/rtc-s3c.c: fix driver clock
 enable/disable balance issues

If an error occurs after the clock is enabled, the enable/disable state
can become unbalanced.

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-s3c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 7639ab906f02..5b979d9cc332 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -202,7 +202,6 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
 	void __iomem *base = s3c_rtc_base;
 	int year = tm->tm_year - 100;
 
-	clk_enable(rtc_clk);
 	pr_debug("set time %04d.%02d.%02d %02d:%02d:%02d\n",
 		 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
 		 tm->tm_hour, tm->tm_min, tm->tm_sec);
@@ -214,6 +213,7 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
 		return -EINVAL;
 	}
 
+	clk_enable(rtc_clk);
 	writeb(bin2bcd(tm->tm_sec),  base + S3C2410_RTCSEC);
 	writeb(bin2bcd(tm->tm_min),  base + S3C2410_RTCMIN);
 	writeb(bin2bcd(tm->tm_hour), base + S3C2410_RTCHOUR);
-- 
GitLab


From c193c82f054195aa352ccbef91afc28446e5a30e Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Thu, 8 Dec 2011 14:34:10 -0800
Subject: [PATCH 1331/1594] memcg: update maintainers

More players joined to memory cgroup developments and Johannes' great work
changed internal design of memory cgroup dramatically.  And he will do
more works.  Michal Hokko did many bug fixes and know memory cgroup very
well.  Daisuke Nishimura helped us very much but he seems busy now.
Thanks to his works.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 MAINTAINERS | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index b4f18024f4e7..6751a36f569f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4302,8 +4302,9 @@ F:	include/linux/mm.h
 F:	mm/
 
 MEMORY RESOURCE CONTROLLER
+M:	Johannes Weiner <hannes@cmpxchg.org>
+M:	Michal Hocko <mhocko@suse.cz>
 M:	Balbir Singh <bsingharora@gmail.com>
-M:	Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
 M:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
 L:	cgroups@vger.kernel.org
 L:	linux-mm@kvack.org
-- 
GitLab


From 09dc3cf93f7d16fdd37a0ad8486faebb5e2769ec Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Thu, 8 Dec 2011 14:34:13 -0800
Subject: [PATCH 1332/1594] printk: avoid double lock acquire

Commit 4f2a8d3cf5e ("printk: Fix console_sem vs logbuf_lock unlock race")
introduced another silly bug where we would want to acquire an already
held lock.  Avoid this.

Reported-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/printk.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/printk.c b/kernel/printk.c
index 1455a0d4eedd..7982a0a841ea 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1293,10 +1293,11 @@ again:
 	raw_spin_lock(&logbuf_lock);
 	if (con_start != log_end)
 		retry = 1;
+	raw_spin_unlock_irqrestore(&logbuf_lock, flags);
+
 	if (retry && console_trylock())
 		goto again;
 
-	raw_spin_unlock_irqrestore(&logbuf_lock, flags);
 	if (wake_klogd)
 		wake_up_klogd();
 }
-- 
GitLab


From b6999b19120931ede364fa3b685e698a61fed31d Mon Sep 17 00:00:00 2001
From: Youquan Song <youquan.song@intel.com>
Date: Thu, 8 Dec 2011 14:34:16 -0800
Subject: [PATCH 1333/1594] thp: add compound tail page _mapcount when mapped

With the 3.2-rc kernel, IOMMU 2M pages in KVM works.  But when I tried
to use IOMMU 1GB pages in KVM, I encountered an oops and the 1GB page
failed to be used.

The root cause is that 1GB page allocation calls gup_huge_pud() while 2M
page calls gup_huge_pmd.  If compound pages are used and the page is a
tail page, gup_huge_pmd() increases _mapcount to record tail page are
mapped while gup_huge_pud does not do that.

So when the mapped page is relesed, it will result in kernel oops
because the page is not marked mapped.

This patch add tail process for compound page in 1GB huge page which
keeps the same process as 2M page.

Reproduce like:
1. Add grub boot option: hugepagesz=1G hugepages=8
2. mount -t hugetlbfs -o pagesize=1G hugetlbfs /dev/hugepages
3. qemu-kvm -m 2048 -hda os-kvm.img -cpu kvm64 -smp 4 -mem-path /dev/hugepages
	-net none -device pci-assign,host=07:00.1

  kernel BUG at mm/swap.c:114!
  invalid opcode: 0000 [#1] SMP
  Call Trace:
    put_page+0x15/0x37
    kvm_release_pfn_clean+0x31/0x36
    kvm_iommu_put_pages+0x94/0xb1
    kvm_iommu_unmap_memslots+0x80/0xb6
    kvm_assign_device+0xba/0x117
    kvm_vm_ioctl_assigned_device+0x301/0xa47
    kvm_vm_ioctl+0x36c/0x3a2
    do_vfs_ioctl+0x49e/0x4e4
    sys_ioctl+0x5a/0x7c
    system_call_fastpath+0x16/0x1b
  RIP  put_compound_page+0xd4/0x168

Signed-off-by: Youquan Song <youquan.song@intel.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/mm/gup.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
index ea305856151c..dd74e46828c0 100644
--- a/arch/x86/mm/gup.c
+++ b/arch/x86/mm/gup.c
@@ -201,6 +201,8 @@ static noinline int gup_huge_pud(pud_t pud, unsigned long addr,
 	do {
 		VM_BUG_ON(compound_head(page) != head);
 		pages[*nr] = page;
+		if (PageTail(page))
+			get_huge_page_tail(page);
 		(*nr)++;
 		page++;
 		refs++;
-- 
GitLab


From 58a84aa92723d1ac3e1cc4e3b0ff49291663f7e1 Mon Sep 17 00:00:00 2001
From: Youquan Song <youquan.song@intel.com>
Date: Thu, 8 Dec 2011 14:34:18 -0800
Subject: [PATCH 1334/1594] thp: set compound tail page _count to zero

Commit 70b50f94f1644 ("mm: thp: tail page refcounting fix") keeps all
page_tail->_count zero at all times.  But the current kernel does not
set page_tail->_count to zero if a 1GB page is utilized.  So when an
IOMMU 1GB page is used by KVM, it wil result in a kernel oops because a
tail page's _count does not equal zero.

  kernel BUG at include/linux/mm.h:386!
  invalid opcode: 0000 [#1] SMP
  Call Trace:
    gup_pud_range+0xb8/0x19d
    get_user_pages_fast+0xcb/0x192
    ? trace_hardirqs_off+0xd/0xf
    hva_to_pfn+0x119/0x2f2
    gfn_to_pfn_memslot+0x2c/0x2e
    kvm_iommu_map_pages+0xfd/0x1c1
    kvm_iommu_map_memslots+0x7c/0xbd
    kvm_iommu_map_guest+0xaa/0xbf
    kvm_vm_ioctl_assigned_device+0x2ef/0xa47
    kvm_vm_ioctl+0x36c/0x3a2
    do_vfs_ioctl+0x49e/0x4e4
    sys_ioctl+0x5a/0x7c
    system_call_fastpath+0x16/0x1b
  RIP  gup_huge_pud+0xf2/0x159

Signed-off-by: Youquan Song <youquan.song@intel.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/hugetlb.c    | 1 +
 mm/page_alloc.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index bb28a5f9db8d..73f17c0293c0 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -576,6 +576,7 @@ static void prep_compound_gigantic_page(struct page *page, unsigned long order)
 	__SetPageHead(page);
 	for (i = 1; i < nr_pages; i++, p = mem_map_next(p, page, i)) {
 		__SetPageTail(p);
+		set_page_count(p, 0);
 		p->first_page = page;
 	}
 }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9dd443d89d8b..850009a7101e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -356,8 +356,8 @@ void prep_compound_page(struct page *page, unsigned long order)
 	__SetPageHead(page);
 	for (i = 1; i < nr_pages; i++) {
 		struct page *p = page + i;
-
 		__SetPageTail(p);
+		set_page_count(p, 0);
 		p->first_page = page;
 	}
 }
-- 
GitLab


From 09761333ed47e899cc1482c13090b95f3f711971 Mon Sep 17 00:00:00 2001
From: Hillf Danton <dhillf@gmail.com>
Date: Thu, 8 Dec 2011 14:34:20 -0800
Subject: [PATCH 1335/1594] mm/migrate.c: pair unlock_page() and lock_page()
 when migrating huge pages

Avoid unlocking and unlocked page if we failed to lock it.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/migrate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index 578e29174fa6..177aca424a06 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -871,9 +871,9 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
 
 	if (anon_vma)
 		put_anon_vma(anon_vma);
-out:
 	unlock_page(hpage);
 
+out:
 	if (rc != -EAGAIN) {
 		list_del(&hpage->lru);
 		put_page(hpage);
-- 
GitLab


From d021563888312018ca65681096f62e36c20e63cc Mon Sep 17 00:00:00 2001
From: Michal Hocko <mhocko@suse.cz>
Date: Thu, 8 Dec 2011 14:34:27 -0800
Subject: [PATCH 1336/1594] mm: Ensure that pfn_valid() is called once per
 pageblock when reserving pageblocks

setup_zone_migrate_reserve() expects that zone->start_pfn starts at
pageblock_nr_pages aligned pfn otherwise we could access beyond an
existing memblock resulting in the following panic if
CONFIG_HOLES_IN_ZONE is not configured and we do not check pfn_valid:

  IP: [<c02d331d>] setup_zone_migrate_reserve+0xcd/0x180
  *pdpt = 0000000000000000 *pde = f000ff53f000ff53
  Oops: 0000 [#1] SMP
  Pid: 1, comm: swapper Not tainted 3.0.7-0.7-pae #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
  EIP: 0060:[<c02d331d>] EFLAGS: 00010006 CPU: 0
  EIP is at setup_zone_migrate_reserve+0xcd/0x180
  EAX: 000c0000 EBX: f5801fc0 ECX: 000c0000 EDX: 00000000
  ESI: 000c01fe EDI: 000c01fe EBP: 00140000 ESP: f2475f58
  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
  Process swapper (pid: 1, ti=f2474000 task=f2472cd0 task.ti=f2474000)
  Call Trace:
  [<c02d389c>] __setup_per_zone_wmarks+0xec/0x160
  [<c02d3a1f>] setup_per_zone_wmarks+0xf/0x20
  [<c08a771c>] init_per_zone_wmark_min+0x27/0x86
  [<c020111b>] do_one_initcall+0x2b/0x160
  [<c086639d>] kernel_init+0xbe/0x157
  [<c05cae26>] kernel_thread_helper+0x6/0xd
  Code: a5 39 f5 89 f7 0f 46 fd 39 cf 76 40 8b 03 f6 c4 08 74 32 eb 91 90 89 c8 c1 e8 0e 0f be 80 80 2f 86 c0 8b 14 85 60 2f 86 c0 89 c8 <2b> 82 b4 12 00 00 c1 e0 05 03 82 ac 12 00 00 8b 00 f6 c4 08 0f
  EIP: [<c02d331d>] setup_zone_migrate_reserve+0xcd/0x180 SS:ESP 0068:f2475f58
  CR2: 00000000000012b4

We crashed in pageblock_is_reserved() when accessing pfn 0xc0000 because
highstart_pfn = 0x36ffe.

The issue was introduced in 3.0-rc1 by 6d3163ce ("mm: check if any page
in a pageblock is reserved before marking it MIGRATE_RESERVE").

Make sure that start_pfn is always aligned to pageblock_nr_pages to
ensure that pfn_valid s always called at the start of each pageblock.
Architectures with holes in pageblocks will be correctly handled by
pfn_valid_within in pageblock_is_reserved.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Tested-by: Dang Bo <bdang@vmware.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Arve Hjnnevg <arve@android.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: <stable@vger.kernel.org>	[3.0+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_alloc.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 850009a7101e..2b8ba3aebf6e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3377,9 +3377,15 @@ static void setup_zone_migrate_reserve(struct zone *zone)
 	unsigned long block_migratetype;
 	int reserve;
 
-	/* Get the start pfn, end pfn and the number of blocks to reserve */
+	/*
+	 * Get the start pfn, end pfn and the number of blocks to reserve
+	 * We have to be careful to be aligned to pageblock_nr_pages to
+	 * make sure that we always check pfn_valid for the first page in
+	 * the block.
+	 */
 	start_pfn = zone->zone_start_pfn;
 	end_pfn = start_pfn + zone->spanned_pages;
+	start_pfn = roundup(start_pfn, pageblock_nr_pages);
 	reserve = roundup(min_wmark_pages(zone), pageblock_nr_pages) >>
 							pageblock_order;
 
-- 
GitLab


From 1368edf0647ac112d8cfa6ce47257dc950c50f5c Mon Sep 17 00:00:00 2001
From: Mel Gorman <mgorman@suse.de>
Date: Thu, 8 Dec 2011 14:34:30 -0800
Subject: [PATCH 1337/1594] mm: vmalloc: check for page allocation failure
 before vmlist insertion

Commit f5252e00 ("mm: avoid null pointer access in vm_struct via
/proc/vmallocinfo") adds newly allocated vm_structs to the vmlist after
it is fully initialised.  Unfortunately, it did not check that
__vmalloc_area_node() successfully populated the area.  In the event of
allocation failure, the vmalloc area is freed but the pointer to freed
memory is inserted into the vmlist leading to a a crash later in
get_vmalloc_info().

This patch adds a check for ____vmalloc_area_node() failure within
__vmalloc_node_range.  It does not use "goto fail" as in the previous
error path as a warning was already displayed by __vmalloc_area_node()
before it called vfree in its failure path.

Credit goes to Luciano Chavez for doing all the real work of identifying
exactly where the problem was.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Reported-by: Luciano Chavez <lnx1138@linux.vnet.ibm.com>
Tested-by: Luciano Chavez <lnx1138@linux.vnet.ibm.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: <stable@vger.kernel.org>		[3.1.x+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmalloc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 3231bf332878..1d8b32f07139 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1633,6 +1633,8 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
 		goto fail;
 
 	addr = __vmalloc_area_node(area, gfp_mask, prot, node, caller);
+	if (!addr)
+		return NULL;
 
 	/*
 	 * In this function, newly allocated vm_struct is not added
-- 
GitLab


From 2a95ea6c0d129b4568fb64e1deda16ceb20e6636 Mon Sep 17 00:00:00 2001
From: Michal Hocko <mhocko@suse.cz>
Date: Thu, 8 Dec 2011 14:34:32 -0800
Subject: [PATCH 1338/1594] procfs: do not overflow get_{idle,iowait}_time for
 nohz

Since commit a25cac5198d4 ("proc: Consider NO_HZ when printing idle and
iowait times") we are reporting idle/io_wait time also while a CPU is
tickless.  We rely on get_{idle,iowait}_time functions to retrieve
proper data.

These functions, however, use usecs_to_cputime to translate micro
seconds time to cputime64_t.  This is just an alias to usecs_to_jiffies
which reduces the data type from u64 to unsigned int and also checks
whether the given parameter overflows jiffies_to_usecs(MAX_JIFFY_OFFSET)
and returns MAX_JIFFY_OFFSET in that case.

When we overflow depends on CONFIG_HZ but especially for CONFIG_HZ_300
it is quite low (1431649781) so we are getting MAX_JIFFY_OFFSET for
>3000s! until we overflow unsigned int.  Just for reference
CONFIG_HZ_100 has an overflow window around 20s, CONFIG_HZ_250 ~8s and
CONFIG_HZ_1000 ~2s.

This results in a bug when people saw [h]top going mad reporting 100%
CPU usage even though there was basically no CPU load.  The reason was
simply that /proc/stat stopped reporting idle/io_wait changes (and
reported MAX_JIFFY_OFFSET) and so the only change happening was for user
system time.

Let's use nsecs_to_jiffies64 instead which doesn't reduce the precision
to 32b type and it is much more appropriate for cumulative time values
(unlike usecs_to_jiffies which intended for timeout calculations).

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Tested-by: Artem S. Tashkinov <t.artem@mailcity.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/proc/stat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 42b274da92c3..2a30d67dd6b8 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -32,7 +32,7 @@ static cputime64_t get_idle_time(int cpu)
 		idle = kstat_cpu(cpu).cpustat.idle;
 		idle = cputime64_add(idle, arch_idle_time(cpu));
 	} else
-		idle = usecs_to_cputime(idle_time);
+		idle = nsecs_to_jiffies64(1000 * idle_time);
 
 	return idle;
 }
@@ -46,7 +46,7 @@ static cputime64_t get_iowait_time(int cpu)
 		/* !NO_HZ so we can rely on cpustat.iowait */
 		iowait = kstat_cpu(cpu).cpustat.iowait;
 	else
-		iowait = usecs_to_cputime(iowait_time);
+		iowait = nsecs_to_jiffies64(1000 * iowait_time);
 
 	return iowait;
 }
-- 
GitLab


From ceb96398127f3388cb5815b2ab550196e2be5d68 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Thu, 8 Dec 2011 14:34:35 -0800
Subject: [PATCH 1339/1594] rapidio/tsi721: switch to dma_zalloc_coherent

Replace the pair dma_alloc_coherent()+memset() with the new
dma_zalloc_coherent() added by Andrew Morton for kernel version 3.2

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/devices/tsi721.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 5225930a10cd..514c28c81420 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -851,14 +851,12 @@ static int tsi721_doorbell_init(struct tsi721_device *priv)
 	INIT_WORK(&priv->idb_work, tsi721_db_dpc);
 
 	/* Allocate buffer for inbound doorbells queue */
-	priv->idb_base = dma_alloc_coherent(&priv->pdev->dev,
+	priv->idb_base = dma_zalloc_coherent(&priv->pdev->dev,
 				IDB_QSIZE * TSI721_IDB_ENTRY_SIZE,
 				&priv->idb_dma, GFP_KERNEL);
 	if (!priv->idb_base)
 		return -ENOMEM;
 
-	memset(priv->idb_base, 0, IDB_QSIZE * TSI721_IDB_ENTRY_SIZE);
-
 	dev_dbg(&priv->pdev->dev, "Allocated IDB buffer @ %p (phys = %llx)\n",
 		priv->idb_base, (unsigned long long)priv->idb_dma);
 
@@ -904,7 +902,7 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
 	 */
 
 	/* Allocate space for DMA descriptors */
-	bd_ptr = dma_alloc_coherent(&priv->pdev->dev,
+	bd_ptr = dma_zalloc_coherent(&priv->pdev->dev,
 					bd_num * sizeof(struct tsi721_dma_desc),
 					&bd_phys, GFP_KERNEL);
 	if (!bd_ptr)
@@ -913,8 +911,6 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
 	priv->bdma[chnum].bd_phys = bd_phys;
 	priv->bdma[chnum].bd_base = bd_ptr;
 
-	memset(bd_ptr, 0, bd_num * sizeof(struct tsi721_dma_desc));
-
 	dev_dbg(&priv->pdev->dev, "DMA descriptors @ %p (phys = %llx)\n",
 		bd_ptr, (unsigned long long)bd_phys);
 
@@ -922,7 +918,7 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
 	sts_size = (bd_num >= TSI721_DMA_MINSTSSZ) ?
 					bd_num : TSI721_DMA_MINSTSSZ;
 	sts_size = roundup_pow_of_two(sts_size);
-	sts_ptr = dma_alloc_coherent(&priv->pdev->dev,
+	sts_ptr = dma_zalloc_coherent(&priv->pdev->dev,
 				     sts_size * sizeof(struct tsi721_dma_sts),
 				     &sts_phys, GFP_KERNEL);
 	if (!sts_ptr) {
@@ -938,8 +934,6 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
 	priv->bdma[chnum].sts_base = sts_ptr;
 	priv->bdma[chnum].sts_size = sts_size;
 
-	memset(sts_ptr, 0, sts_size);
-
 	dev_dbg(&priv->pdev->dev,
 		"desc status FIFO @ %p (phys = %llx) size=0x%x\n",
 		sts_ptr, (unsigned long long)sts_phys, sts_size);
@@ -1400,7 +1394,7 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
 
 	/* Outbound message descriptor status FIFO allocation */
 	priv->omsg_ring[mbox].sts_size = roundup_pow_of_two(entries + 1);
-	priv->omsg_ring[mbox].sts_base = dma_alloc_coherent(&priv->pdev->dev,
+	priv->omsg_ring[mbox].sts_base = dma_zalloc_coherent(&priv->pdev->dev,
 			priv->omsg_ring[mbox].sts_size *
 						sizeof(struct tsi721_dma_sts),
 			&priv->omsg_ring[mbox].sts_phys, GFP_KERNEL);
@@ -1412,9 +1406,6 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
 		goto out_desc;
 	}
 
-	memset(priv->omsg_ring[mbox].sts_base, 0,
-		entries * sizeof(struct tsi721_dma_sts));
-
 	/*
 	 * Configure Outbound Messaging Engine
 	 */
-- 
GitLab


From b439e66f04bff6476c5d4bae6a52ab93fbb9a8f4 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Thu, 8 Dec 2011 14:34:36 -0800
Subject: [PATCH 1340/1594] rapidio/tsi721: fix mailbox resource reporting

Bug fix for Tsi721 RapidIO mport driver: Tsi721 supports four RapidIO
mailboxes (MBOX0 - MBOX3) as defined by RapidIO specification.  Mailbox
resources has to be properly reported to allow use of all available
mailboxes (initial version reports only MBOX0).

This patch is applicable to kernel versions staring from 3.2-rc1.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/devices/tsi721.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 514c28c81420..83ac8728b781 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -2107,8 +2107,8 @@ static int __devinit tsi721_setup_mport(struct tsi721_device *priv)
 	INIT_LIST_HEAD(&mport->dbells);
 
 	rio_init_dbell_res(&mport->riores[RIO_DOORBELL_RESOURCE], 0, 0xffff);
-	rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 0);
-	rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 0);
+	rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 3);
+	rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 3);
 	strcpy(mport->name, "Tsi721 mport");
 
 	/* Hook up interrupt handler */
-- 
GitLab


From 1cee22b7f385b6c4f716846203a96e1f302132aa Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Thu, 8 Dec 2011 14:34:42 -0800
Subject: [PATCH 1341/1594] rapidio/tsi721: modify PCIe capability settings

Modify initialization of PCIe capability registers in Tsi721 mport driver:
 - change Completion Timeout value to avoid unexpected data transfer
   aborts during intensive traffic.
 - replace hardcoded offset of PCIe capability block by making it use the
   common function.

This patch is applicable to kernel versions starting from 3.2-rc1.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/devices/tsi721.c | 20 +++++++++++++++-----
 drivers/rapidio/devices/tsi721.h |  2 ++
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 83ac8728b781..691b1ab1a3d0 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -2154,7 +2154,7 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
 				  const struct pci_device_id *id)
 {
 	struct tsi721_device *priv;
-	int i;
+	int i, cap;
 	int err;
 	u32 regval;
 
@@ -2262,10 +2262,20 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
 			dev_info(&pdev->dev, "Unable to set consistent DMA mask\n");
 	}
 
-	/* Clear "no snoop" and "relaxed ordering" bits. */
-	pci_read_config_dword(pdev, 0x40 + PCI_EXP_DEVCTL, &regval);
-	regval &= ~(PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN);
-	pci_write_config_dword(pdev, 0x40 + PCI_EXP_DEVCTL, regval);
+	cap = pci_pcie_cap(pdev);
+	BUG_ON(cap == 0);
+
+	/* Clear "no snoop" and "relaxed ordering" bits, use default MRRS. */
+	pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL, &regval);
+	regval &= ~(PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN |
+		    PCI_EXP_DEVCTL_NOSNOOP_EN);
+	regval |= 0x2 << MAX_READ_REQUEST_SZ_SHIFT;
+	pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL, regval);
+
+	/* Adjust PCIe completion timeout. */
+	pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL2, &regval);
+	regval &= ~(0x0f);
+	pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL2, regval | 0x2);
 
 	/*
 	 * FIXUP: correct offsets of MSI-X tables in the MSI-X Capability Block
diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index 58be4deb1402..822e54c394d5 100644
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -72,6 +72,8 @@
 #define TSI721_MSIXPBA_OFFSET	0x2a000
 #define TSI721_PCIECFG_EPCTL	0x400
 
+#define MAX_READ_REQUEST_SZ_SHIFT	12
+
 /*
  * Event Management Registers
  */
-- 
GitLab


From 031af165b1cd295ef04d2bfbcae9bc3cb9180735 Mon Sep 17 00:00:00 2001
From: Mandeep Singh Baines <msb@chromium.org>
Date: Thu, 8 Dec 2011 14:34:44 -0800
Subject: [PATCH 1342/1594] sys_getppid: add missing rcu_dereference

In order to safely dereference current->real_parent inside an
rcu_read_lock, we need an rcu_dereference.

Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/timer.c b/kernel/timer.c
index dbaa62422b13..9c3c62b0c4bc 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1368,7 +1368,7 @@ SYSCALL_DEFINE0(getppid)
 	int pid;
 
 	rcu_read_lock();
-	pid = task_tgid_vnr(current->real_parent);
+	pid = task_tgid_vnr(rcu_dereference(current->real_parent));
 	rcu_read_unlock();
 
 	return pid;
-- 
GitLab


From 5dbc8fca8ef5d719014f22345d990e957dcfc692 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Fri, 9 Dec 2011 11:07:37 -0500
Subject: [PATCH 1343/1594] Btrfs: fix btrfs_end_bio to deal with write errors
 to a single mirror

btrfs_end_bio checks the number of errors on a bio against the max
number of errors allowed before sending any EIOs up to the higher
levels.

If we got enough copies of the bio done for a given raid level, it is
supposed to clear the bio error flag and return success.

We have pointers to the original bio sent down by the higher layers and
pointers to any cloned bios we made for raid purposes.  If the original
bio happens to be the one that got an io error, but not the last one to
finish, it might not have the BIO_UPTODATE bit set.

Then, when the last bio does finish, we'll call bio_end_io on the
original bio.  It won't have the uptodate bit set and we'll end up
sending EIO to the higher layers.

We already had a check for this, it just was conditional on getting the
IO error on the very last bio.  Make the check unconditional so we eat
the EIOs properly.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/volumes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 0a8c8f8304b1..91ea57a1474a 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3258,7 +3258,7 @@ static void btrfs_end_bio(struct bio *bio, int err)
 		 */
 		if (atomic_read(&bbio->error) > bbio->max_errors) {
 			err = -EIO;
-		} else if (err) {
+		} else {
 			/*
 			 * this bio is actually up to date, we didn't
 			 * go over the max number of errors
-- 
GitLab


From 4b44b40e04a758e2242ff4a3f7c15982801ec8bc Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Fri, 9 Dec 2011 16:31:52 -0500
Subject: [PATCH 1344/1594] NFSv4: Ensure correct locking when accessing the
 'lock_states' list

There are currently 2 places in the state recovery code, where we do not
take sufficient precautions before accessing the state->lock_states. In
both cases, we should be holding the state->state_lock.

Reported-by: Pascal Bouchareine <pascal@gandi.net>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/nfs4state.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index da8d73ed9e0f..6a7107ae6b72 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1156,11 +1156,13 @@ restart:
 		if (status >= 0) {
 			status = nfs4_reclaim_locks(state, ops);
 			if (status >= 0) {
+				spin_lock(&state->state_lock);
 				list_for_each_entry(lock, &state->lock_states, ls_locks) {
 					if (!(lock->ls_flags & NFS_LOCK_INITIALIZED))
 						printk("%s: Lock reclaim failed!\n",
 							__func__);
 				}
+				spin_unlock(&state->state_lock);
 				nfs4_put_open_state(state);
 				goto restart;
 			}
@@ -1224,10 +1226,12 @@ static void nfs4_clear_open_state(struct nfs4_state *state)
 	clear_bit(NFS_O_RDONLY_STATE, &state->flags);
 	clear_bit(NFS_O_WRONLY_STATE, &state->flags);
 	clear_bit(NFS_O_RDWR_STATE, &state->flags);
+	spin_lock(&state->state_lock);
 	list_for_each_entry(lock, &state->lock_states, ls_locks) {
 		lock->ls_seqid.flags = 0;
 		lock->ls_flags &= ~NFS_LOCK_INITIALIZED;
 	}
+	spin_unlock(&state->state_lock);
 }
 
 static void nfs4_reset_seqids(struct nfs_server *server,
-- 
GitLab


From 9aa7705c966c750dda3d5c8d8a20f8e46668911c Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Sun, 27 Nov 2011 15:42:15 -0300
Subject: [PATCH 1345/1594] [media] [trivial] omap24xxcam-dma: Fix logical test

Likely misuse of & vs &&.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/omap24xxcam-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/omap24xxcam-dma.c b/drivers/media/video/omap24xxcam-dma.c
index 1d54b86c936b..3ea38a8def8e 100644
--- a/drivers/media/video/omap24xxcam-dma.c
+++ b/drivers/media/video/omap24xxcam-dma.c
@@ -506,7 +506,7 @@ int omap24xxcam_sgdma_queue(struct omap24xxcam_sgdma *sgdma,
 	unsigned long flags;
 	struct sgdma_state *sg_state;
 
-	if ((sglen < 0) || ((sglen > 0) & !sglist))
+	if ((sglen < 0) || ((sglen > 0) && !sglist))
 		return -EINVAL;
 
 	spin_lock_irqsave(&sgdma->lock, flags);
-- 
GitLab


From dc47ce90c3a822cd7c9e9339fe4d5f61dcb26b50 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 9 Dec 2011 15:09:32 -0800
Subject: [PATCH 1346/1594] Linux 3.2-rc5

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 12aafc20efbd..d1ea73f74c2f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
-- 
GitLab


From 652f89f64fabcdae9143ee2b4253cfa838fb0279 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Fri, 9 Dec 2011 19:05:58 -0500
Subject: [PATCH 1347/1594] NFSv4: Do not accept delegated opens when a
 delegation recall is in effect

...and report the servers that try to return a delegation when the client
is using the CLAIM_DELEG_CUR open mode. That behaviour is explicitly
forbidden in RFC3530.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/nfs4proc.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index be2bbac13817..d9f4d78c3413 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -39,6 +39,8 @@
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/string.h>
+#include <linux/ratelimit.h>
+#include <linux/printk.h>
 #include <linux/slab.h>
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/gss_api.h>
@@ -894,6 +896,8 @@ out:
 
 static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)
 {
+	if (delegation == NULL)
+		return 0;
 	if ((delegation->type & fmode) != fmode)
 		return 0;
 	if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
@@ -1036,8 +1040,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
 		}
 		rcu_read_lock();
 		delegation = rcu_dereference(nfsi->delegation);
-		if (delegation == NULL ||
-		    !can_open_delegated(delegation, fmode)) {
+		if (!can_open_delegated(delegation, fmode)) {
 			rcu_read_unlock();
 			break;
 		}
@@ -1091,7 +1094,12 @@ static struct nfs4_state *nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data
 		if (delegation)
 			delegation_flags = delegation->flags;
 		rcu_read_unlock();
-		if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
+		if (data->o_arg.claim == NFS4_OPEN_CLAIM_DELEGATE_CUR) {
+			pr_err_ratelimited("NFS: Broken NFSv4 server %s is "
+					"returning a delegation for "
+					"OPEN(CLAIM_DELEGATE_CUR)\n",
+					NFS_CLIENT(inode)->cl_server);
+		} else if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
 			nfs_inode_set_delegation(state->inode,
 					data->owner->so_cred,
 					&data->o_res);
@@ -1423,11 +1431,9 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
 			goto out_no_action;
 		rcu_read_lock();
 		delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);
-		if (delegation != NULL &&
-		    test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) == 0) {
-			rcu_read_unlock();
-			goto out_no_action;
-		}
+		if (data->o_arg.claim != NFS4_OPEN_CLAIM_DELEGATE_CUR &&
+		    can_open_delegated(delegation, data->o_arg.fmode))
+			goto unlock_no_action;
 		rcu_read_unlock();
 	}
 	/* Update sequence id. */
@@ -1444,6 +1450,8 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
 		return;
 	rpc_call_start(task);
 	return;
+unlock_no_action:
+	rcu_read_unlock();
 out_no_action:
 	task->tk_action = NULL;
 
-- 
GitLab


From 6d3e32e63f1fb47b3ba104d13dfac116df7b2bbb Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt.fleming@intel.com>
Date: Thu, 8 Dec 2011 12:10:50 +0000
Subject: [PATCH 1348/1594] x86, efi: Make efi_call_phys_{prelog,epilog}
 CONFIG_RELOCATABLE-aware

efi_call_phys_prelog() sets up a 1:1 mapping of the physical address
range in swapper_pg_dir. Instead of replacing then restoring entries
in swapper_pg_dir we should be using initial_page_table which already
contains the 1:1 mapping.

It's safe to blindly switch back to swapper_pg_dir in the epilog
because the physical EFI routines are only called before
efi_enter_virtual_mode(), e.g. before any user processes have been
forked. Therefore, we don't need to track which pgd was in %cr3 when
we entered the prelog.

The previous code actually contained a bug because it assumed that the
kernel was loaded at a physical address within the first 8MB of ram,
usually at 0x100000. However, this isn't the case with a
CONFIG_RELOCATABLE=y kernel which could have been loaded anywhere in
the physical address space.

Also delete the ancient (and bogus) comments about the page table
being restored after the lock is released. There is no locking.

Cc: Matthew Garrett <mjg@redhat.com>
Cc: Darrent Hart <dvhart@linux.intel.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/1323346250.3894.74.camel@mfleming-mobl1.ger.corp.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/platform/efi/efi_32.c | 48 ++--------------------------------
 1 file changed, 2 insertions(+), 46 deletions(-)

diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c
index e36bf714cb77..40e446941dd7 100644
--- a/arch/x86/platform/efi/efi_32.c
+++ b/arch/x86/platform/efi/efi_32.c
@@ -39,43 +39,14 @@
  */
 
 static unsigned long efi_rt_eflags;
-static pgd_t efi_bak_pg_dir_pointer[2];
 
 void efi_call_phys_prelog(void)
 {
-	unsigned long cr4;
-	unsigned long temp;
 	struct desc_ptr gdt_descr;
 
 	local_irq_save(efi_rt_eflags);
 
-	/*
-	 * If I don't have PAE, I should just duplicate two entries in page
-	 * directory. If I have PAE, I just need to duplicate one entry in
-	 * page directory.
-	 */
-	cr4 = read_cr4_safe();
-
-	if (cr4 & X86_CR4_PAE) {
-		efi_bak_pg_dir_pointer[0].pgd =
-		    swapper_pg_dir[pgd_index(0)].pgd;
-		swapper_pg_dir[0].pgd =
-		    swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd;
-	} else {
-		efi_bak_pg_dir_pointer[0].pgd =
-		    swapper_pg_dir[pgd_index(0)].pgd;
-		efi_bak_pg_dir_pointer[1].pgd =
-		    swapper_pg_dir[pgd_index(0x400000)].pgd;
-		swapper_pg_dir[pgd_index(0)].pgd =
-		    swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd;
-		temp = PAGE_OFFSET + 0x400000;
-		swapper_pg_dir[pgd_index(0x400000)].pgd =
-		    swapper_pg_dir[pgd_index(temp)].pgd;
-	}
-
-	/*
-	 * After the lock is released, the original page table is restored.
-	 */
+	load_cr3(initial_page_table);
 	__flush_tlb_all();
 
 	gdt_descr.address = __pa(get_cpu_gdt_table(0));
@@ -85,28 +56,13 @@ void efi_call_phys_prelog(void)
 
 void efi_call_phys_epilog(void)
 {
-	unsigned long cr4;
 	struct desc_ptr gdt_descr;
 
 	gdt_descr.address = (unsigned long)get_cpu_gdt_table(0);
 	gdt_descr.size = GDT_SIZE - 1;
 	load_gdt(&gdt_descr);
 
-	cr4 = read_cr4_safe();
-
-	if (cr4 & X86_CR4_PAE) {
-		swapper_pg_dir[pgd_index(0)].pgd =
-		    efi_bak_pg_dir_pointer[0].pgd;
-	} else {
-		swapper_pg_dir[pgd_index(0)].pgd =
-		    efi_bak_pg_dir_pointer[0].pgd;
-		swapper_pg_dir[pgd_index(0x400000)].pgd =
-		    efi_bak_pg_dir_pointer[1].pgd;
-	}
-
-	/*
-	 * After the lock is released, the original page table is restored.
-	 */
+	load_cr3(swapper_pg_dir);
 	__flush_tlb_all();
 
 	local_irq_restore(efi_rt_eflags);
-- 
GitLab


From 37d5993c5cc9bc83762ae1b5bd287438022e8afe Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sat, 10 Dec 2011 20:38:32 +0800
Subject: [PATCH 1349/1594] ASoC: Fix WM8996 24.576MHz clock operation

Record the clock after the divider as that is what all SYSCLK users see.
Without this the other clock configuration in the device comes out at
half rate.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
---
 sound/soc/codecs/wm8996.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index 645c980d6b80..a33b04d17195 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -1968,6 +1968,7 @@ static int wm8996_set_sysclk(struct snd_soc_dai *dai,
 		break;
 	case 24576000:
 		ratediv = WM8996_SYSCLK_DIV;
+		wm8996->sysclk /= 2;
 	case 12288000:
 		snd_soc_update_bits(codec, WM8996_AIF_RATE,
 				    WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
-- 
GitLab


From e58f516ff4730c4047c3f104b061f7a03e9a263c Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Fri, 11 Nov 2011 16:28:05 +0100
Subject: [PATCH 1350/1594] mmc: mxcmmc: fix falling back to PIO

When we can't configure the dma channel we want to fall
back to PIO. We do this by setting host->do_dma to zero.
This does not work as do_dma is used to see whether dma
can be used for the current transfer. Instead, we have
to set host->dma to NULL.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/host/mxcmmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 325ea61e12d3..8e0fbe994047 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -732,6 +732,7 @@ static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 				"failed to config DMA channel. Falling back to PIO\n");
 			dma_release_channel(host->dma);
 			host->do_dma = 0;
+			host->dma = NULL;
 		}
 	}
 
-- 
GitLab


From 7833c66b2d764a3c883c2f5cc60cd8a6266dae15 Mon Sep 17 00:00:00 2001
From: Chris Ball <cjb@laptop.org>
Date: Fri, 11 Nov 2011 19:54:53 -0500
Subject: [PATCH 1351/1594] mmc: Add module.h include to sdhci-cns3xxx.c

Fixes: drivers/mmc/host/sdhci-cns3xxx.c:110: error: 'THIS_MODULE'
       undeclared here (not in a function)

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/host/sdhci-cns3xxx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c
index 4b920b7621cf..87b6f079b6e0 100644
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -15,6 +15,7 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/mmc/host.h>
+#include <linux/module.h>
 #include <mach/cns3xxx.h>
 #include "sdhci-pltfm.h"
 
-- 
GitLab


From 6de5fc9cf7de334912de4cfd2d06eb2d744d2afe Mon Sep 17 00:00:00 2001
From: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
Date: Thu, 3 Nov 2011 09:44:12 +0100
Subject: [PATCH 1352/1594] mmc: core: Add quirk for long data read time

Adds a quirk that sets the data read timeout to a fixed value instead
of relying on the information in the CSD. The timeout value chosen
is 300ms since that has proven enough for the problematic cards found,
but could be increased if other cards require this.

This patch also enables this quirk for certain Micron cards known to
have this problem.

Signed-off-by: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/card/block.c |  8 ++++++++
 drivers/mmc/core/core.c  | 12 ++++++++++++
 include/linux/mmc/card.h |  6 ++++++
 3 files changed, 26 insertions(+)

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index a1cb21f95302..1e0e27cbe987 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1606,6 +1606,14 @@ static const struct mmc_fixup blk_fixups[] =
 		  MMC_QUIRK_BLK_NO_CMD23),
 	MMC_FIXUP("MMC32G", 0x11, CID_OEMID_ANY, add_quirk_mmc,
 		  MMC_QUIRK_BLK_NO_CMD23),
+
+	/*
+	 * Some Micron MMC cards needs longer data read timeout than
+	 * indicated in CSD.
+	 */
+	MMC_FIXUP(CID_NAME_ANY, 0x13, 0x200, add_quirk_mmc,
+		  MMC_QUIRK_LONG_READ_TIME),
+
 	END_FIXUP
 };
 
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 5278ffb20e74..74a012ad2bab 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -529,6 +529,18 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
 			data->timeout_clks = 0;
 		}
 	}
+
+	/*
+	 * Some cards require longer data read timeout than indicated in CSD.
+	 * Address this by setting the read timeout to a "reasonably high"
+	 * value. For the cards tested, 300ms has proven enough. If necessary,
+	 * this value can be increased if other problematic cards require this.
+	 */
+	if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) {
+		data->timeout_ns = 300000000;
+		data->timeout_clks = 0;
+	}
+
 	/*
 	 * Some cards need very high timeouts if driven in SPI mode.
 	 * The worst observed timeout was 900ms after writing a
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 415f2db414e1..c8ef9bc54d50 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -218,6 +218,7 @@ struct mmc_card {
 #define MMC_QUIRK_INAND_CMD38	(1<<6)		/* iNAND devices have broken CMD38 */
 #define MMC_QUIRK_BLK_NO_CMD23	(1<<7)		/* Avoid CMD23 for regular multiblock */
 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8)	/* Avoid sending 512 bytes in */
+#define MMC_QUIRK_LONG_READ_TIME (1<<9)		/* Data read time > CSD says */
 						/* byte mode */
 	unsigned int    poweroff_notify_state;	/* eMMC4.5 notify feature */
 #define MMC_NO_POWER_NOTIFICATION	0
@@ -433,6 +434,11 @@ static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
 	return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
 }
 
+static inline int mmc_card_long_read_time(const struct mmc_card *c)
+{
+	return c->quirks & MMC_QUIRK_LONG_READ_TIME;
+}
+
 #define mmc_card_name(c)	((c)->cid.prod_name)
 #define mmc_card_id(c)		(dev_name(&(c)->dev))
 
-- 
GitLab


From 96a85d548bf960ec8e8a0c3bca2b2e88e41549db Mon Sep 17 00:00:00 2001
From: Girish K S <girish.shivananjappa@linaro.org>
Date: Fri, 4 Nov 2011 16:22:47 +0530
Subject: [PATCH 1353/1594] mmc: core: Fix setting power notify state variable
 for non-eMMC

This patch skips the setting of the power notify state variable
for non eMMC 4.5 devices. Also fixes the problem of omap_hsmmc
noisy/broken for suspend resume reported by Kevin Hilman.

Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/core/mmc.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index dbf421a6279c..90de9ba36d2f 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -883,10 +883,14 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 				 card->ext_csd.generic_cmd6_time);
 		if (err && err != -EBADMSG)
 			goto free_card;
-	}
 
-	if (!err)
-		card->poweroff_notify_state = MMC_POWERED_ON;
+		/*
+		 * The err can be -EBADMSG or 0,
+		 * so check for success and update the flag
+		 */
+		if (!err)
+			card->poweroff_notify_state = MMC_POWERED_ON;
+	}
 
 	/*
 	 * Activate high speed (if supported)
-- 
GitLab


From a80f16276388a177199204aa5b60f328d4464110 Mon Sep 17 00:00:00 2001
From: Girish K S <girish.shivananjappa@linaro.org>
Date: Tue, 15 Nov 2011 11:55:46 +0530
Subject: [PATCH 1354/1594] mmc: core: Fix power_off_notify during suspend

The eMMC 4.5 devices respond to only RESET and AWAKE command in the
sleep state. Hence the mmc switch command to notify power off state
should be sent before the device enters sleep state.

This patch fixes the same.

Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/core/core.c | 81 +++++++++++++++++++++++++----------------
 drivers/mmc/core/mmc.c  |  2 +-
 2 files changed, 50 insertions(+), 33 deletions(-)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 74a012ad2bab..7ee2e07f36f4 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1225,6 +1225,46 @@ void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type)
 	mmc_host_clk_release(host);
 }
 
+static void mmc_poweroff_notify(struct mmc_host *host)
+{
+	struct mmc_card *card;
+	unsigned int timeout;
+	unsigned int notify_type = EXT_CSD_NO_POWER_NOTIFICATION;
+	int err = 0;
+
+	card = host->card;
+
+	/*
+	 * Send power notify command only if card
+	 * is mmc and notify state is powered ON
+	 */
+	if (card && mmc_card_mmc(card) &&
+	    (card->poweroff_notify_state == MMC_POWERED_ON)) {
+
+		if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
+			notify_type = EXT_CSD_POWER_OFF_SHORT;
+			timeout = card->ext_csd.generic_cmd6_time;
+			card->poweroff_notify_state = MMC_POWEROFF_SHORT;
+		} else {
+			notify_type = EXT_CSD_POWER_OFF_LONG;
+			timeout = card->ext_csd.power_off_longtime;
+			card->poweroff_notify_state = MMC_POWEROFF_LONG;
+		}
+
+		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+				 EXT_CSD_POWER_OFF_NOTIFICATION,
+				 notify_type, timeout);
+
+		if (err && err != -EBADMSG)
+			pr_err("Device failed to respond within %d poweroff "
+			       "time. Forcefully powering down the device\n",
+			       timeout);
+
+		/* Set the card state to no notification after the poweroff */
+		card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
+	}
+}
+
 /*
  * Apply power to the MMC stack.  This is a two-stage process.
  * First, we enable power to the card without the clock running.
@@ -1281,42 +1321,12 @@ static void mmc_power_up(struct mmc_host *host)
 
 void mmc_power_off(struct mmc_host *host)
 {
-	struct mmc_card *card;
-	unsigned int notify_type;
-	unsigned int timeout;
-	int err;
-
 	mmc_host_clk_hold(host);
 
-	card = host->card;
 	host->ios.clock = 0;
 	host->ios.vdd = 0;
 
-	if (card && mmc_card_mmc(card) &&
-	    (card->poweroff_notify_state == MMC_POWERED_ON)) {
-
-		if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
-			notify_type = EXT_CSD_POWER_OFF_SHORT;
-			timeout = card->ext_csd.generic_cmd6_time;
-			card->poweroff_notify_state = MMC_POWEROFF_SHORT;
-		} else {
-			notify_type = EXT_CSD_POWER_OFF_LONG;
-			timeout = card->ext_csd.power_off_longtime;
-			card->poweroff_notify_state = MMC_POWEROFF_LONG;
-		}
-
-		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-				 EXT_CSD_POWER_OFF_NOTIFICATION,
-				 notify_type, timeout);
-
-		if (err && err != -EBADMSG)
-			pr_err("Device failed to respond within %d poweroff "
-			       "time. Forcefully powering down the device\n",
-			       timeout);
-
-		/* Set the card state to no notification after the poweroff */
-		card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
-	}
+	mmc_poweroff_notify(host);
 
 	/*
 	 * Reset ocr mask to be the highest possible voltage supported for
@@ -2314,8 +2324,15 @@ int mmc_suspend_host(struct mmc_host *host)
 		 * pre-claim the host.
 		 */
 		if (mmc_try_claim_host(host)) {
-			if (host->bus_ops->suspend)
+			if (host->bus_ops->suspend) {
+				/*
+				 * For eMMC 4.5 device send notify command
+				 * before sleep, because in sleep state eMMC 4.5
+				 * devices respond to only RESET and AWAKE cmd
+				 */
+				mmc_poweroff_notify(host);
 				err = host->bus_ops->suspend(host);
+			}
 			if (err == -ENOSYS || !host->bus_ops->resume) {
 				/*
 				 * We simply "remove" the card in this case.
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 90de9ba36d2f..d240427c1246 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -876,7 +876,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 	 * set the notification byte in the ext_csd register of device
 	 */
 	if ((host->caps2 & MMC_CAP2_POWEROFF_NOTIFY) &&
-	    (card->poweroff_notify_state == MMC_NO_POWER_NOTIFICATION)) {
+	    (card->ext_csd.rev >= 6)) {
 		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
 				 EXT_CSD_POWER_OFF_NOTIFICATION,
 				 EXT_CSD_POWER_ON,
-- 
GitLab


From c99872a16fa7642987f30c750dc166674b0d8060 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kyungmin.park@samsung.com>
Date: Thu, 17 Nov 2011 13:34:33 +0900
Subject: [PATCH 1355/1594] mmc: core: Fix typo at mmc_card_sleep

Fix wrong bus_ops->sleep check.  (This isn't expected to have real-world
consequences, because the mmc core always defines both 'awake' and
'sleep' ops.)

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/core/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 7ee2e07f36f4..271efeac860b 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2218,7 +2218,7 @@ int mmc_card_sleep(struct mmc_host *host)
 
 	mmc_bus_get(host);
 
-	if (host->bus_ops && !host->bus_dead && host->bus_ops->awake)
+	if (host->bus_ops && !host->bus_dead && host->bus_ops->sleep)
 		err = host->bus_ops->sleep(host);
 
 	mmc_bus_put(host);
-- 
GitLab


From f6bc41fb08cbd6943df358437e0af90c91a3caa3 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 16 Nov 2011 10:10:41 +0100
Subject: [PATCH 1356/1594] mmc: sh_mmcif: fix clock gating on platforms with a
 .down_pwr() method

Do not power down the card in .set_ios(), unless MMC_POWER_OFF is
requested. This fixes the MMCIF interface functionality on ecovec boards.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/host/sh_mmcif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 369366c8e205..d5505f3fe2a1 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -908,7 +908,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		if (host->power) {
 			pm_runtime_put(&host->pd->dev);
 			host->power = false;
-			if (p->down_pwr)
+			if (p->down_pwr && ios->power_mode == MMC_POWER_OFF)
 				p->down_pwr(host->pd);
 		}
 		host->state = STATE_IDLE;
-- 
GitLab


From f6b8b52c68f6109db4be02b55660258ff503fc3b Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 16 Nov 2011 10:11:45 +0100
Subject: [PATCH 1357/1594] mmc: tmio: fix clock gating on platforms with a
 .set_pwr() method

Do not power down the card in .set_ios(), unless MMC_POWER_OFF is
requested. This fixes the SDHI functionality on ecovec.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/host/tmio_mmc_pio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index d85a60cda167..4208b3958069 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -798,7 +798,7 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		/* start bus clock */
 		tmio_mmc_clk_start(host);
 	} else if (ios->power_mode != MMC_POWER_UP) {
-		if (host->set_pwr)
+		if (host->set_pwr && ios->power_mode == MMC_POWER_OFF)
 			host->set_pwr(host->pdev, 0);
 		if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) &&
 		    pdata->power) {
-- 
GitLab


From 524bfca2b42a7c9dc43af13e1592b21dd1ce3fcc Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 21 Nov 2011 18:00:51 +0000
Subject: [PATCH 1358/1594] mmc: sdhci-s3c: Remove old and misprototyped
 suspend operations

Now that the driver is using dev_pm_ops the suspend operations in the
platform_driver structure won't get called so don't need to be there,
and certainly shouldn't be the same function as dev_pm_ops since the
signatures are different.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/host/sdhci-s3c.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 3d00e722efc9..cb60c4197e0a 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -644,8 +644,6 @@ static int sdhci_s3c_resume(struct platform_device *dev)
 static struct platform_driver sdhci_s3c_driver = {
 	.probe		= sdhci_s3c_probe,
 	.remove		= __devexit_p(sdhci_s3c_remove),
-	.suspend	= sdhci_s3c_suspend,
-	.resume	        = sdhci_s3c_resume,
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "s3c-sdhci",
-- 
GitLab


From 49df78074963c97e25debc3c67b72f059111607d Mon Sep 17 00:00:00 2001
From: Sujit Reddy Thumma <sthumma@codeaurora.org>
Date: Wed, 23 Nov 2011 08:43:18 +0530
Subject: [PATCH 1359/1594] mmc: core: Fix deadlock when the
 CONFIG_MMC_UNSAFE_RESUME is not defined

mmc_suspend_host() tries to claim host during suspend
and release it only when the bus suspend operation is
compeleted. If CONFIG_MMC_UNSAFE_RESUME is defined and
the host is flagged as removable, mmc_suspend_host()
tries to remove the card. In this process, the file system
sync can get blocked trying to acquire host which is already
claimed by mmc_suspend_host() causing deadlock.

Fix this deadlock by releasing host before ->remove() is called.

Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Acked-by: Ulf Hansson <ulf.hansson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/core/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 271efeac860b..950b97d7412a 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2333,6 +2333,8 @@ int mmc_suspend_host(struct mmc_host *host)
 				mmc_poweroff_notify(host);
 				err = host->bus_ops->suspend(host);
 			}
+			mmc_do_release_host(host);
+
 			if (err == -ENOSYS || !host->bus_ops->resume) {
 				/*
 				 * We simply "remove" the card in this case.
@@ -2347,7 +2349,6 @@ int mmc_suspend_host(struct mmc_host *host)
 				host->pm_flags = 0;
 				err = 0;
 			}
-			mmc_do_release_host(host);
 		} else {
 			err = -EBUSY;
 		}
-- 
GitLab


From 06c8eb9a9115dbbf1658a79f19f18a887c18119b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lothar=20Wa=C3=9Fmann?= <LW@KARO-electronics.de>
Date: Fri, 9 Dec 2011 14:38:11 +0100
Subject: [PATCH 1360/1594] ASoC: mxs: Add missing MODULE_LICENSE("GPL")
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The sound driver refuses to load as module, because of the missing
MODULE_LICENSE("GPL").
The file header indicates that the driver is indeed published under
the GPL.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/mxs/mxs-pcm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/mxs/mxs-pcm.c b/sound/soc/mxs/mxs-pcm.c
index dea5aa4aa647..8646913631de 100644
--- a/sound/soc/mxs/mxs-pcm.c
+++ b/sound/soc/mxs/mxs-pcm.c
@@ -357,3 +357,5 @@ static void __exit snd_mxs_pcm_exit(void)
 	platform_driver_unregister(&mxs_pcm_driver);
 }
 module_exit(snd_mxs_pcm_exit);
+
+MODULE_LICENSE("GPL");
-- 
GitLab


From 9fd369b193dceddd4e9e7f426c229c6104c80e28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lothar=20Wa=C3=9Fmann?= <LW@KARO-electronics.de>
Date: Fri, 9 Dec 2011 14:38:12 +0100
Subject: [PATCH 1361/1594] ASoC: mxs: Add appropriate MODULE_ALIAS()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/mxs/mxs-pcm.c      | 1 +
 sound/soc/mxs/mxs-sgtl5000.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sound/soc/mxs/mxs-pcm.c b/sound/soc/mxs/mxs-pcm.c
index 8646913631de..f39d7dd9fbcb 100644
--- a/sound/soc/mxs/mxs-pcm.c
+++ b/sound/soc/mxs/mxs-pcm.c
@@ -359,3 +359,4 @@ static void __exit snd_mxs_pcm_exit(void)
 module_exit(snd_mxs_pcm_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mxs-pcm-audio");
diff --git a/sound/soc/mxs/mxs-sgtl5000.c b/sound/soc/mxs/mxs-sgtl5000.c
index 7fbeaec06eb4..1c57f6630a48 100644
--- a/sound/soc/mxs/mxs-sgtl5000.c
+++ b/sound/soc/mxs/mxs-sgtl5000.c
@@ -171,3 +171,4 @@ module_exit(mxs_sgtl5000_exit);
 MODULE_AUTHOR("Freescale Semiconductor, Inc.");
 MODULE_DESCRIPTION("MXS ALSA SoC Machine driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mxs-sgtl5000");
-- 
GitLab


From 23bbba3411715736ad1942f3bdbb18e1bbe6d45f Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Tue, 29 Nov 2011 18:21:41 -0300
Subject: [PATCH 1362/1594] [media] au0828: add missing USB ID 2040:7260

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/au0828/au0828-cards.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c
index 39fc923fc46b..2e72bbd100af 100644
--- a/drivers/media/video/au0828/au0828-cards.c
+++ b/drivers/media/video/au0828/au0828-cards.c
@@ -324,6 +324,8 @@ struct usb_device_id au0828_usb_id_table[] = {
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
 	{ USB_DEVICE(0x2040, 0x8200),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
+	{ USB_DEVICE(0x2040, 0x7260),
+		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ },
 };
 
-- 
GitLab


From 64a6b6cbfad64dae8230ff999394a4b1b9e82ceb Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Tue, 29 Nov 2011 18:23:11 -0300
Subject: [PATCH 1363/1594] [media] au0828: add missing USB ID 2040:7213

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/au0828/au0828-cards.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c
index 2e72bbd100af..2dba8c1ea096 100644
--- a/drivers/media/video/au0828/au0828-cards.c
+++ b/drivers/media/video/au0828/au0828-cards.c
@@ -326,6 +326,8 @@ struct usb_device_id au0828_usb_id_table[] = {
 		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
 	{ USB_DEVICE(0x2040, 0x7260),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
+	{ USB_DEVICE(0x2040, 0x7213),
+		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ },
 };
 
-- 
GitLab


From 6b536a6ca52ae12b5378de6fb5da305a3c54dbd8 Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Tue, 29 Nov 2011 18:55:04 -0300
Subject: [PATCH 1364/1594] [media] au0828: add missing models 72101, 72201 &
 72261 to the model matrix

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/au0828/au0828-cards.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c
index 2dba8c1ea096..1c6015a04f96 100644
--- a/drivers/media/video/au0828/au0828-cards.c
+++ b/drivers/media/video/au0828/au0828-cards.c
@@ -162,11 +162,14 @@ static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
 	switch (tv.model) {
 	case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
 	case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+	case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+	case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
 	case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
+	case 72261: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
 	case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
 		break;
-- 
GitLab


From d1ee8878a142f81ea1b40d602c6360b752829437 Mon Sep 17 00:00:00 2001
From: Gary Thomas <gary@mlbassoc.com>
Date: Thu, 1 Dec 2011 08:51:09 -0300
Subject: [PATCH 1365/1594] [media] omap_vout: Fix compile error in 3.1

This patch is against the mainline v3.1 release (c3b92c8) and
fixes a compile error when building for OMAP3+DSS+VOUT

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Gary Thomas <gary@mlbassoc.com>
Cc: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/omap/omap_vout.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 2d2a136e465e..ee0d0b39cd17 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -38,6 +38,7 @@
 #include <linux/irq.h>
 #include <linux/videodev2.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 
 #include <media/videobuf-dma-contig.h>
 #include <media/v4l2-device.h>
-- 
GitLab


From a626f3945208af1d60d3dccf064cac3b15bc54ca Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Mon, 5 Dec 2011 06:12:15 -0300
Subject: [PATCH 1366/1594] [media] s5p_mfc_enc: fix s/H264/H263/ typo

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Aked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-mfc/s5p_mfc_enc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
index 1e8cdb77d4b8..dff9dc798795 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
@@ -61,7 +61,7 @@ static struct s5p_mfc_fmt formats[] = {
 		.num_planes = 1,
 	},
 	{
-		.name = "H264 Encoded Stream",
+		.name = "H263 Encoded Stream",
 		.fourcc = V4L2_PIX_FMT_H263,
 		.codec_mode = S5P_FIMV_CODEC_H263_ENC,
 		.type = MFC_FMT_ENC,
-- 
GitLab


From 4c0b036db808054f10f79e9a3d7928cf90aeb186 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Mon, 5 Dec 2011 16:01:13 -0300
Subject: [PATCH 1367/1594] [media] V4L: soc-camera: fix compiler warnings on
 64-bit platforms

On 64-bit platforms assigning a pointer to a 32-bit variable causes a
compiler warning and cannot actually work. Soc-camera currently doesn't
support any 64-bit systems, but such platforms can be added in the
and in any case compiler warnings should be avoided.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/ov6650.c               |  2 +-
 drivers/media/video/sh_mobile_ceu_camera.c | 34 +++++++++++++---------
 drivers/media/video/sh_mobile_csi2.c       |  4 +--
 drivers/media/video/soc_camera.c           |  3 +-
 include/media/soc_camera.h                 |  7 ++++-
 5 files changed, 32 insertions(+), 18 deletions(-)

diff --git a/drivers/media/video/ov6650.c b/drivers/media/video/ov6650.c
index d5b057207a7b..577941fa3831 100644
--- a/drivers/media/video/ov6650.c
+++ b/drivers/media/video/ov6650.c
@@ -539,7 +539,7 @@ static u8 to_clkrc(struct v4l2_fract *timeperframe,
 static int ov6650_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
 	struct soc_camera_sense *sense = icd->sense;
 	struct ov6650 *priv = to_ov6650(client);
 	bool half_scale = !is_unscaled_ok(mf->width, mf->height, &priv->rect);
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index f390682629cf..c51decfcae19 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -566,8 +566,10 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
 	ret = sh_mobile_ceu_soft_reset(pcdev);
 
 	csi2_sd = find_csi2(pcdev);
-	if (csi2_sd)
-		csi2_sd->grp_id = (long)icd;
+	if (csi2_sd) {
+		csi2_sd->grp_id = soc_camera_grp_id(icd);
+		v4l2_set_subdev_hostdata(csi2_sd, icd);
+	}
 
 	ret = v4l2_subdev_call(csi2_sd, core, s_power, 1);
 	if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) {
@@ -768,7 +770,7 @@ static struct v4l2_subdev *find_bus_subdev(struct sh_mobile_ceu_dev *pcdev,
 {
 	if (pcdev->csi2_pdev) {
 		struct v4l2_subdev *csi2_sd = find_csi2(pcdev);
-		if (csi2_sd && csi2_sd->grp_id == (u32)icd)
+		if (csi2_sd && csi2_sd->grp_id == soc_camera_grp_id(icd))
 			return csi2_sd;
 	}
 
@@ -1089,8 +1091,9 @@ static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, unsigned int
 			/* Try 2560x1920, 1280x960, 640x480, 320x240 */
 			mf.width	= 2560 >> shift;
 			mf.height	= 1920 >> shift;
-			ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
-							 s_mbus_fmt, &mf);
+			ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					soc_camera_grp_id(icd), video,
+					s_mbus_fmt, &mf);
 			if (ret < 0)
 				return ret;
 			shift++;
@@ -1389,7 +1392,8 @@ static int client_s_fmt(struct soc_camera_device *icd,
 	bool ceu_1to1;
 	int ret;
 
-	ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
+	ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					 soc_camera_grp_id(icd), video,
 					 s_mbus_fmt, mf);
 	if (ret < 0)
 		return ret;
@@ -1426,8 +1430,9 @@ static int client_s_fmt(struct soc_camera_device *icd,
 		tmp_h = min(2 * tmp_h, max_height);
 		mf->width = tmp_w;
 		mf->height = tmp_h;
-		ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
-						 s_mbus_fmt, mf);
+		ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					soc_camera_grp_id(icd), video,
+					s_mbus_fmt, mf);
 		dev_geo(dev, "Camera scaled to %ux%u\n",
 			mf->width, mf->height);
 		if (ret < 0) {
@@ -1580,8 +1585,9 @@ static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
 	}
 
 	if (interm_width < icd->user_width || interm_height < icd->user_height) {
-		ret = v4l2_device_call_until_err(sd->v4l2_dev, (int)icd, video,
-						 s_mbus_fmt, &mf);
+		ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					soc_camera_grp_id(icd), video,
+					s_mbus_fmt, &mf);
 		if (ret < 0)
 			return ret;
 
@@ -1867,7 +1873,8 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
 	mf.code		= xlate->code;
 	mf.colorspace	= pix->colorspace;
 
-	ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video, try_mbus_fmt, &mf);
+	ret = v4l2_device_call_until_err(sd->v4l2_dev, soc_camera_grp_id(icd),
+					 video, try_mbus_fmt, &mf);
 	if (ret < 0)
 		return ret;
 
@@ -1891,8 +1898,9 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
 			 */
 			mf.width = 2560;
 			mf.height = 1920;
-			ret = v4l2_device_call_until_err(sd->v4l2_dev, (long)icd, video,
-							 try_mbus_fmt, &mf);
+			ret = v4l2_device_call_until_err(sd->v4l2_dev,
+					soc_camera_grp_id(icd), video,
+					try_mbus_fmt, &mf);
 			if (ret < 0) {
 				/* Shouldn't actually happen... */
 				dev_err(icd->parent,
diff --git a/drivers/media/video/sh_mobile_csi2.c b/drivers/media/video/sh_mobile_csi2.c
index 37706eb81f25..bd0ca0e04460 100644
--- a/drivers/media/video/sh_mobile_csi2.c
+++ b/drivers/media/video/sh_mobile_csi2.c
@@ -142,7 +142,7 @@ static int sh_csi2_s_mbus_config(struct v4l2_subdev *sd,
 				 const struct v4l2_mbus_config *cfg)
 {
 	struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
-	struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
 	struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
 	struct v4l2_mbus_config client_cfg = {.type = V4L2_MBUS_CSI2,
 					      .flags = priv->mipi_flags};
@@ -201,7 +201,7 @@ static void sh_csi2_hwinit(struct sh_csi2 *priv)
 static int sh_csi2_client_connect(struct sh_csi2 *priv)
 {
 	struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
-	struct soc_camera_device *icd = (struct soc_camera_device *)priv->subdev.grp_id;
+	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(&priv->subdev);
 	struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
 	struct device *dev = v4l2_get_subdevdata(&priv->subdev);
 	struct v4l2_mbus_config cfg;
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index b72580c38957..62e4312515cb 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -1103,7 +1103,8 @@ static int soc_camera_probe(struct soc_camera_device *icd)
 	}
 
 	sd = soc_camera_to_subdev(icd);
-	sd->grp_id = (long)icd;
+	sd->grp_id = soc_camera_grp_id(icd);
+	v4l2_set_subdev_hostdata(sd, icd);
 
 	if (v4l2_ctrl_add_handler(&icd->ctrl_handler, sd->ctrl_handler))
 		goto ectrl;
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index b1377b931eb7..5fb2c3d10c05 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -254,7 +254,7 @@ unsigned long soc_camera_apply_board_flags(struct soc_camera_link *icl,
 static inline struct video_device *soc_camera_i2c_to_vdev(const struct i2c_client *client)
 {
 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
-	struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
 	return icd ? icd->vdev : NULL;
 }
 
@@ -279,6 +279,11 @@ static inline struct soc_camera_device *soc_camera_from_vbq(const struct videobu
 	return container_of(vq, struct soc_camera_device, vb_vidq);
 }
 
+static inline u32 soc_camera_grp_id(const struct soc_camera_device *icd)
+{
+	return (icd->iface << 8) | (icd->devnum + 1);
+}
+
 void soc_camera_lock(struct vb2_queue *vq);
 void soc_camera_unlock(struct vb2_queue *vq);
 
-- 
GitLab


From 08da558ae0aaa488d8273ee44177c86580ba0d5a Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 7 Nov 2011 15:44:12 -0300
Subject: [PATCH 1368/1594] [media] V4L: mt9t112: use after free in
 mt9t112_probe()

priv gets dereferenced in mt9t112_set_params() so we should return
before calling that.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/mt9t112.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
index 32114a3c0ca7..7b34b11daf24 100644
--- a/drivers/media/video/mt9t112.c
+++ b/drivers/media/video/mt9t112.c
@@ -1083,8 +1083,10 @@ static int mt9t112_probe(struct i2c_client *client,
 	v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops);
 
 	ret = mt9t112_camera_probe(client);
-	if (ret)
+	if (ret) {
 		kfree(priv);
+		return ret;
+	}
 
 	/* Cannot fail: using the default supported pixel code */
 	mt9t112_set_params(priv, &rect, V4L2_MBUS_FMT_UYVY8_2X8);
-- 
GitLab


From 9c0223b53a26c506ecc7a36ec491afa688eebee1 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Thu, 24 Nov 2011 20:16:35 -0300
Subject: [PATCH 1369/1594] [media] V4L: omap1_camera: fix missing
 <linux/module.h> include

Otherwise compilation breaks with:

...

after apparently no longer included recursively from other header files.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/omap1_camera.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/omap1_camera.c b/drivers/media/video/omap1_camera.c
index e87ae2f634b2..6a6cf388bae4 100644
--- a/drivers/media/video/omap1_camera.c
+++ b/drivers/media/video/omap1_camera.c
@@ -24,6 +24,7 @@
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
-- 
GitLab


From 6b806e30a3149816454a7ab71d50c244ebdb27d1 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Thu, 3 Nov 2011 08:12:00 -0300
Subject: [PATCH 1370/1594] [media] V4L: mt9m111: fix uninitialised mutex

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/mt9m111.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index f023cc092c2b..dda4685166d5 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -954,6 +954,7 @@ static int mt9m111_probe(struct i2c_client *client,
 	mt9m111->rect.height	= MT9M111_MAX_HEIGHT;
 	mt9m111->fmt		= &mt9m111_colour_fmts[0];
 	mt9m111->lastpage	= -1;
+	mutex_init(&mt9m111->power_lock);
 
 	ret = mt9m111_video_probe(client);
 	if (ret) {
-- 
GitLab


From 5eefb4f09bd8b250421fbd055e67d136d57f4030 Mon Sep 17 00:00:00 2001
From: Anssi Hannula <anssi.hannula@iki.fi>
Date: Tue, 6 Dec 2011 22:34:29 -0300
Subject: [PATCH 1371/1594] [media] ati_remote: switch to single-byte scancodes

The ati_remote driver currently uses 2-byte scancodes. However, one of
those bytes is actually a checksum and therefore shouldn't be considered
as part of the scancode.

Fix the driver to only use the actual data byte as a scancode and to
check the checksum itself. Update the bundled keymaps accordingly.

Since ati_remote was only migrated to the rc subsystem for 3.2, the
previous scancodes weren't emitted on any stable kernel.

Reported-by: George Spelvin <linux@horizon.com>
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/rc/ati_remote.c                 | 111 +++++++--------
 drivers/media/rc/keymaps/rc-ati-x10.c         |  96 ++++++-------
 drivers/media/rc/keymaps/rc-medion-x10.c      | 128 +++++++++---------
 .../media/rc/keymaps/rc-snapstream-firefly.c  | 114 ++++++++--------
 4 files changed, 220 insertions(+), 229 deletions(-)

diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
index 303f22ea04c0..01bb8daf4b09 100644
--- a/drivers/media/rc/ati_remote.c
+++ b/drivers/media/rc/ati_remote.c
@@ -189,7 +189,7 @@ struct ati_remote {
 	dma_addr_t inbuf_dma;
 	dma_addr_t outbuf_dma;
 
-	unsigned char old_data[2];  /* Detect duplicate events */
+	unsigned char old_data;     /* Detect duplicate events */
 	unsigned long old_jiffies;
 	unsigned long acc_jiffies;  /* handle acceleration */
 	unsigned long first_jiffies;
@@ -221,35 +221,35 @@ struct ati_remote {
 /* Translation table from hardware messages to input events. */
 static const struct {
 	short kind;
-	unsigned char data1, data2;
+	unsigned char data;
 	int type;
 	unsigned int code;
 	int value;
 }  ati_remote_tbl[] = {
 	/* Directional control pad axes */
-	{KIND_ACCEL,   0x35, 0x70, EV_REL, REL_X, -1},	 /* left */
-	{KIND_ACCEL,   0x36, 0x71, EV_REL, REL_X, 1},    /* right */
-	{KIND_ACCEL,   0x37, 0x72, EV_REL, REL_Y, -1},	 /* up */
-	{KIND_ACCEL,   0x38, 0x73, EV_REL, REL_Y, 1},    /* down */
+	{KIND_ACCEL,   0x70, EV_REL, REL_X, -1},   /* left */
+	{KIND_ACCEL,   0x71, EV_REL, REL_X, 1},    /* right */
+	{KIND_ACCEL,   0x72, EV_REL, REL_Y, -1},   /* up */
+	{KIND_ACCEL,   0x73, EV_REL, REL_Y, 1},    /* down */
 	/* Directional control pad diagonals */
-	{KIND_LU,      0x39, 0x74, EV_REL, 0, 0},        /* left up */
-	{KIND_RU,      0x3a, 0x75, EV_REL, 0, 0},        /* right up */
-	{KIND_LD,      0x3c, 0x77, EV_REL, 0, 0},        /* left down */
-	{KIND_RD,      0x3b, 0x76, EV_REL, 0, 0},        /* right down */
+	{KIND_LU,      0x74, EV_REL, 0, 0},        /* left up */
+	{KIND_RU,      0x75, EV_REL, 0, 0},        /* right up */
+	{KIND_LD,      0x77, EV_REL, 0, 0},        /* left down */
+	{KIND_RD,      0x76, EV_REL, 0, 0},        /* right down */
 
 	/* "Mouse button" buttons */
-	{KIND_LITERAL, 0x3d, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
-	{KIND_LITERAL, 0x3e, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
-	{KIND_LITERAL, 0x41, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
-	{KIND_LITERAL, 0x42, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
+	{KIND_LITERAL, 0x78, EV_KEY, BTN_LEFT, 1}, /* left btn down */
+	{KIND_LITERAL, 0x79, EV_KEY, BTN_LEFT, 0}, /* left btn up */
+	{KIND_LITERAL, 0x7c, EV_KEY, BTN_RIGHT, 1},/* right btn down */
+	{KIND_LITERAL, 0x7d, EV_KEY, BTN_RIGHT, 0},/* right btn up */
 
 	/* Artificial "doubleclick" events are generated by the hardware.
 	 * They are mapped to the "side" and "extra" mouse buttons here. */
-	{KIND_FILTERED, 0x3f, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
-	{KIND_FILTERED, 0x43, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
+	{KIND_FILTERED, 0x7a, EV_KEY, BTN_SIDE, 1}, /* left dblclick */
+	{KIND_FILTERED, 0x7e, EV_KEY, BTN_EXTRA, 1},/* right dblclick */
 
 	/* Non-mouse events are handled by rc-core */
-	{KIND_END, 0x00, 0x00, EV_MAX + 1, 0, 0}
+	{KIND_END, 0x00, EV_MAX + 1, 0, 0}
 };
 
 /* Local function prototypes */
@@ -396,25 +396,6 @@ static int ati_remote_sendpacket(struct ati_remote *ati_remote, u16 cmd, unsigne
 	return retval;
 }
 
-/*
- *	ati_remote_event_lookup
- */
-static int ati_remote_event_lookup(int rem, unsigned char d1, unsigned char d2)
-{
-	int i;
-
-	for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
-		/*
-		 * Decide if the table entry matches the remote input.
-		 */
-		if (ati_remote_tbl[i].data1 == d1 &&
-		    ati_remote_tbl[i].data2 == d2)
-			return i;
-
-	}
-	return -1;
-}
-
 /*
  *	ati_remote_compute_accel
  *
@@ -463,7 +444,15 @@ static void ati_remote_input_report(struct urb *urb)
 	int index = -1;
 	int acc;
 	int remote_num;
-	unsigned char scancode[2];
+	unsigned char scancode;
+	int i;
+
+	/*
+	 * data[0] = 0x14
+	 * data[1] = data[2] + data[3] + 0xd5 (a checksum byte)
+	 * data[2] = the key code (with toggle bit in MSB with some models)
+	 * data[3] = channel << 4 (the low 4 bits must be zero)
+	 */
 
 	/* Deal with strange looking inputs */
 	if ( (urb->actual_length != 4) || (data[0] != 0x14) ||
@@ -472,6 +461,13 @@ static void ati_remote_input_report(struct urb *urb)
 		return;
 	}
 
+	if (data[1] != ((data[2] + data[3] + 0xd5) & 0xff)) {
+		dbginfo(&ati_remote->interface->dev,
+			"wrong checksum in input: %02x %02x %02x %02x\n",
+			data[0], data[1], data[2], data[3]);
+		return;
+	}
+
 	/* Mask unwanted remote channels.  */
 	/* note: remote_num is 0-based, channel 1 on remote == 0 here */
 	remote_num = (data[3] >> 4) & 0x0f;
@@ -482,31 +478,30 @@ static void ati_remote_input_report(struct urb *urb)
 		return;
 	}
 
-	scancode[0] = (((data[1] - ((remote_num + 1) << 4)) & 0xf0) | (data[1] & 0x0f));
-
 	/*
-	 * Some devices (e.g. SnapStream Firefly) use 8080 as toggle code,
-	 * so we have to clear them. The first bit is a bit tricky as the
-	 * "non-toggled" state depends on remote_num, so we xor it with the
-	 * second bit which is only used for toggle.
+	 * MSB is a toggle code, though only used by some devices
+	 * (e.g. SnapStream Firefly)
 	 */
-	scancode[0] ^= (data[2] & 0x80);
-
-	scancode[1] = data[2] & ~0x80;
+	scancode = data[2] & 0x7f;
 
-	/* Look up event code index in mouse translation table. */
-	index = ati_remote_event_lookup(remote_num, scancode[0], scancode[1]);
+	/* Look up event code index in the mouse translation table. */
+	for (i = 0; ati_remote_tbl[i].kind != KIND_END; i++) {
+		if (scancode == ati_remote_tbl[i].data) {
+			index = i;
+			break;
+		}
+	}
 
 	if (index >= 0) {
 		dbginfo(&ati_remote->interface->dev,
-			"channel 0x%02x; mouse data %02x,%02x; index %d; keycode %d\n",
-			remote_num, data[1], data[2], index, ati_remote_tbl[index].code);
+			"channel 0x%02x; mouse data %02x; index %d; keycode %d\n",
+			remote_num, data[2], index, ati_remote_tbl[index].code);
 		if (!dev)
 			return; /* no mouse device */
 	} else
 		dbginfo(&ati_remote->interface->dev,
-			"channel 0x%02x; key data %02x,%02x, scancode %02x,%02x\n",
-			remote_num, data[1], data[2], scancode[0], scancode[1]);
+			"channel 0x%02x; key data %02x, scancode %02x\n",
+			remote_num, data[2], scancode);
 
 
 	if (index >= 0 && ati_remote_tbl[index].kind == KIND_LITERAL) {
@@ -523,8 +518,7 @@ static void ati_remote_input_report(struct urb *urb)
 		unsigned long now = jiffies;
 
 		/* Filter duplicate events which happen "too close" together. */
-		if (ati_remote->old_data[0] == data[1] &&
-		    ati_remote->old_data[1] == data[2] &&
+		if (ati_remote->old_data == data[2] &&
 		    time_before(now, ati_remote->old_jiffies +
 				     msecs_to_jiffies(repeat_filter))) {
 			ati_remote->repeat_count++;
@@ -533,8 +527,7 @@ static void ati_remote_input_report(struct urb *urb)
 			ati_remote->first_jiffies = now;
 		}
 
-		ati_remote->old_data[0] = data[1];
-		ati_remote->old_data[1] = data[2];
+		ati_remote->old_data = data[2];
 		ati_remote->old_jiffies = now;
 
 		/* Ensure we skip at least the 4 first duplicate events (generated
@@ -549,14 +542,13 @@ static void ati_remote_input_report(struct urb *urb)
 
 		if (index < 0) {
 			/* Not a mouse event, hand it to rc-core. */
-			u32 rc_code = (scancode[0] << 8) | scancode[1];
 
 			/*
 			 * We don't use the rc-core repeat handling yet as
 			 * it would cause ghost repeats which would be a
 			 * regression for this driver.
 			 */
-			rc_keydown_notimeout(ati_remote->rdev, rc_code,
+			rc_keydown_notimeout(ati_remote->rdev, scancode,
 					     data[2]);
 			rc_keyup(ati_remote->rdev);
 			return;
@@ -607,8 +599,7 @@ static void ati_remote_input_report(struct urb *urb)
 		input_sync(dev);
 
 		ati_remote->old_jiffies = jiffies;
-		ati_remote->old_data[0] = data[1];
-		ati_remote->old_data[1] = data[2];
+		ati_remote->old_data = data[2];
 	}
 }
 
diff --git a/drivers/media/rc/keymaps/rc-ati-x10.c b/drivers/media/rc/keymaps/rc-ati-x10.c
index e1b8b2605c48..81506440eded 100644
--- a/drivers/media/rc/keymaps/rc-ati-x10.c
+++ b/drivers/media/rc/keymaps/rc-ati-x10.c
@@ -27,55 +27,55 @@
 #include <media/rc-map.h>
 
 static struct rc_map_table ati_x10[] = {
-	{ 0xd20d, KEY_1 },
-	{ 0xd30e, KEY_2 },
-	{ 0xd40f, KEY_3 },
-	{ 0xd510, KEY_4 },
-	{ 0xd611, KEY_5 },
-	{ 0xd712, KEY_6 },
-	{ 0xd813, KEY_7 },
-	{ 0xd914, KEY_8 },
-	{ 0xda15, KEY_9 },
-	{ 0xdc17, KEY_0 },
-	{ 0xc500, KEY_A },
-	{ 0xc601, KEY_B },
-	{ 0xde19, KEY_C },
-	{ 0xe01b, KEY_D },
-	{ 0xe621, KEY_E },
-	{ 0xe823, KEY_F },
+	{ 0x0d, KEY_1 },
+	{ 0x0e, KEY_2 },
+	{ 0x0f, KEY_3 },
+	{ 0x10, KEY_4 },
+	{ 0x11, KEY_5 },
+	{ 0x12, KEY_6 },
+	{ 0x13, KEY_7 },
+	{ 0x14, KEY_8 },
+	{ 0x15, KEY_9 },
+	{ 0x17, KEY_0 },
+	{ 0x00, KEY_A },
+	{ 0x01, KEY_B },
+	{ 0x19, KEY_C },
+	{ 0x1b, KEY_D },
+	{ 0x21, KEY_E },
+	{ 0x23, KEY_F },
 
-	{ 0xdd18, KEY_KPENTER },    /* "check" */
-	{ 0xdb16, KEY_MENU },       /* "menu" */
-	{ 0xc702, KEY_POWER },      /* Power */
-	{ 0xc803, KEY_TV },         /* TV */
-	{ 0xc904, KEY_DVD },        /* DVD */
-	{ 0xca05, KEY_WWW },        /* WEB */
-	{ 0xcb06, KEY_BOOKMARKS },  /* "book" */
-	{ 0xcc07, KEY_EDIT },       /* "hand" */
-	{ 0xe11c, KEY_COFFEE },     /* "timer" */
-	{ 0xe520, KEY_FRONT },      /* "max" */
-	{ 0xe21d, KEY_LEFT },       /* left */
-	{ 0xe41f, KEY_RIGHT },      /* right */
-	{ 0xe722, KEY_DOWN },       /* down */
-	{ 0xdf1a, KEY_UP },         /* up */
-	{ 0xe31e, KEY_OK },         /* "OK" */
-	{ 0xce09, KEY_VOLUMEDOWN }, /* VOL + */
-	{ 0xcd08, KEY_VOLUMEUP },   /* VOL - */
-	{ 0xcf0a, KEY_MUTE },       /* MUTE  */
-	{ 0xd00b, KEY_CHANNELUP },  /* CH + */
-	{ 0xd10c, KEY_CHANNELDOWN },/* CH - */
-	{ 0xec27, KEY_RECORD },     /* ( o) red */
-	{ 0xea25, KEY_PLAY },       /* ( >) */
-	{ 0xe924, KEY_REWIND },     /* (<<) */
-	{ 0xeb26, KEY_FORWARD },    /* (>>) */
-	{ 0xed28, KEY_STOP },       /* ([]) */
-	{ 0xee29, KEY_PAUSE },      /* ('') */
-	{ 0xf02b, KEY_PREVIOUS },   /* (<-) */
-	{ 0xef2a, KEY_NEXT },       /* (>+) */
-	{ 0xf22d, KEY_INFO },       /* PLAYING */
-	{ 0xf32e, KEY_HOME },       /* TOP */
-	{ 0xf42f, KEY_END },        /* END */
-	{ 0xf530, KEY_SELECT },     /* SELECT */
+	{ 0x18, KEY_KPENTER },    /* "check" */
+	{ 0x16, KEY_MENU },       /* "menu" */
+	{ 0x02, KEY_POWER },      /* Power */
+	{ 0x03, KEY_TV },         /* TV */
+	{ 0x04, KEY_DVD },        /* DVD */
+	{ 0x05, KEY_WWW },        /* WEB */
+	{ 0x06, KEY_BOOKMARKS },  /* "book" */
+	{ 0x07, KEY_EDIT },       /* "hand" */
+	{ 0x1c, KEY_COFFEE },     /* "timer" */
+	{ 0x20, KEY_FRONT },      /* "max" */
+	{ 0x1d, KEY_LEFT },       /* left */
+	{ 0x1f, KEY_RIGHT },      /* right */
+	{ 0x22, KEY_DOWN },       /* down */
+	{ 0x1a, KEY_UP },         /* up */
+	{ 0x1e, KEY_OK },         /* "OK" */
+	{ 0x09, KEY_VOLUMEDOWN }, /* VOL + */
+	{ 0x08, KEY_VOLUMEUP },   /* VOL - */
+	{ 0x0a, KEY_MUTE },       /* MUTE  */
+	{ 0x0b, KEY_CHANNELUP },  /* CH + */
+	{ 0x0c, KEY_CHANNELDOWN },/* CH - */
+	{ 0x27, KEY_RECORD },     /* ( o) red */
+	{ 0x25, KEY_PLAY },       /* ( >) */
+	{ 0x24, KEY_REWIND },     /* (<<) */
+	{ 0x26, KEY_FORWARD },    /* (>>) */
+	{ 0x28, KEY_STOP },       /* ([]) */
+	{ 0x29, KEY_PAUSE },      /* ('') */
+	{ 0x2b, KEY_PREVIOUS },   /* (<-) */
+	{ 0x2a, KEY_NEXT },       /* (>+) */
+	{ 0x2d, KEY_INFO },       /* PLAYING */
+	{ 0x2e, KEY_HOME },       /* TOP */
+	{ 0x2f, KEY_END },        /* END */
+	{ 0x30, KEY_SELECT },     /* SELECT */
 };
 
 static struct rc_map_list ati_x10_map = {
diff --git a/drivers/media/rc/keymaps/rc-medion-x10.c b/drivers/media/rc/keymaps/rc-medion-x10.c
index 09e2cc01d110..479cdb897810 100644
--- a/drivers/media/rc/keymaps/rc-medion-x10.c
+++ b/drivers/media/rc/keymaps/rc-medion-x10.c
@@ -25,70 +25,70 @@
 #include <media/rc-map.h>
 
 static struct rc_map_table medion_x10[] = {
-	{ 0xf12c, KEY_TV },    /* TV */
-	{ 0xf22d, KEY_VCR },   /* VCR */
-	{ 0xc904, KEY_DVD },   /* DVD */
-	{ 0xcb06, KEY_AUDIO }, /* MUSIC */
-
-	{ 0xf32e, KEY_RADIO },     /* RADIO */
-	{ 0xca05, KEY_DIRECTORY }, /* PHOTO */
-	{ 0xf42f, KEY_INFO },      /* TV-PREVIEW */
-	{ 0xf530, KEY_LIST },      /* CHANNEL-LST */
-
-	{ 0xe01b, KEY_SETUP }, /* SETUP */
-	{ 0xf631, KEY_VIDEO }, /* VIDEO DESKTOP */
-
-	{ 0xcd08, KEY_VOLUMEDOWN },  /* VOL - */
-	{ 0xce09, KEY_VOLUMEUP },    /* VOL + */
-	{ 0xd00b, KEY_CHANNELUP },   /* CHAN + */
-	{ 0xd10c, KEY_CHANNELDOWN }, /* CHAN - */
-	{ 0xc500, KEY_MUTE },        /* MUTE */
-
-	{ 0xf732, KEY_RED }, /* red */
-	{ 0xf833, KEY_GREEN }, /* green */
-	{ 0xf934, KEY_YELLOW }, /* yellow */
-	{ 0xfa35, KEY_BLUE }, /* blue */
-	{ 0xdb16, KEY_TEXT }, /* TXT */
-
-	{ 0xd20d, KEY_1 },
-	{ 0xd30e, KEY_2 },
-	{ 0xd40f, KEY_3 },
-	{ 0xd510, KEY_4 },
-	{ 0xd611, KEY_5 },
-	{ 0xd712, KEY_6 },
-	{ 0xd813, KEY_7 },
-	{ 0xd914, KEY_8 },
-	{ 0xda15, KEY_9 },
-	{ 0xdc17, KEY_0 },
-	{ 0xe11c, KEY_SEARCH }, /* TV/RAD, CH SRC */
-	{ 0xe520, KEY_DELETE }, /* DELETE */
-
-	{ 0xfb36, KEY_KEYBOARD }, /* RENAME */
-	{ 0xdd18, KEY_SCREEN },   /* SNAPSHOT */
-
-	{ 0xdf1a, KEY_UP },    /* up */
-	{ 0xe722, KEY_DOWN },  /* down */
-	{ 0xe21d, KEY_LEFT },  /* left */
-	{ 0xe41f, KEY_RIGHT }, /* right */
-	{ 0xe31e, KEY_OK },    /* OK */
-
-	{ 0xfc37, KEY_SELECT }, /* ACQUIRE IMAGE */
-	{ 0xfd38, KEY_EDIT },   /* EDIT IMAGE */
-
-	{ 0xe924, KEY_REWIND },   /* rewind  (<<) */
-	{ 0xea25, KEY_PLAY },     /* play    ( >) */
-	{ 0xeb26, KEY_FORWARD },  /* forward (>>) */
-	{ 0xec27, KEY_RECORD },   /* record  ( o) */
-	{ 0xed28, KEY_STOP },     /* stop    ([]) */
-	{ 0xee29, KEY_PAUSE },    /* pause   ('') */
-
-	{ 0xe621, KEY_PREVIOUS },        /* prev */
-	{ 0xfe39, KEY_SWITCHVIDEOMODE }, /* F SCR */
-	{ 0xe823, KEY_NEXT },            /* next */
-	{ 0xde19, KEY_MENU },            /* MENU */
-	{ 0xff3a, KEY_LANGUAGE },        /* AUDIO */
-
-	{ 0xc702, KEY_POWER }, /* POWER */
+	{ 0x2c, KEY_TV },    /* TV */
+	{ 0x2d, KEY_VCR },   /* VCR */
+	{ 0x04, KEY_DVD },   /* DVD */
+	{ 0x06, KEY_AUDIO }, /* MUSIC */
+
+	{ 0x2e, KEY_RADIO },     /* RADIO */
+	{ 0x05, KEY_DIRECTORY }, /* PHOTO */
+	{ 0x2f, KEY_INFO },      /* TV-PREVIEW */
+	{ 0x30, KEY_LIST },      /* CHANNEL-LST */
+
+	{ 0x1b, KEY_SETUP }, /* SETUP */
+	{ 0x31, KEY_VIDEO }, /* VIDEO DESKTOP */
+
+	{ 0x08, KEY_VOLUMEDOWN },  /* VOL - */
+	{ 0x09, KEY_VOLUMEUP },    /* VOL + */
+	{ 0x0b, KEY_CHANNELUP },   /* CHAN + */
+	{ 0x0c, KEY_CHANNELDOWN }, /* CHAN - */
+	{ 0x00, KEY_MUTE },        /* MUTE */
+
+	{ 0x32, KEY_RED }, /* red */
+	{ 0x33, KEY_GREEN }, /* green */
+	{ 0x34, KEY_YELLOW }, /* yellow */
+	{ 0x35, KEY_BLUE }, /* blue */
+	{ 0x16, KEY_TEXT }, /* TXT */
+
+	{ 0x0d, KEY_1 },
+	{ 0x0e, KEY_2 },
+	{ 0x0f, KEY_3 },
+	{ 0x10, KEY_4 },
+	{ 0x11, KEY_5 },
+	{ 0x12, KEY_6 },
+	{ 0x13, KEY_7 },
+	{ 0x14, KEY_8 },
+	{ 0x15, KEY_9 },
+	{ 0x17, KEY_0 },
+	{ 0x1c, KEY_SEARCH }, /* TV/RAD, CH SRC */
+	{ 0x20, KEY_DELETE }, /* DELETE */
+
+	{ 0x36, KEY_KEYBOARD }, /* RENAME */
+	{ 0x18, KEY_SCREEN },   /* SNAPSHOT */
+
+	{ 0x1a, KEY_UP },    /* up */
+	{ 0x22, KEY_DOWN },  /* down */
+	{ 0x1d, KEY_LEFT },  /* left */
+	{ 0x1f, KEY_RIGHT }, /* right */
+	{ 0x1e, KEY_OK },    /* OK */
+
+	{ 0x37, KEY_SELECT }, /* ACQUIRE IMAGE */
+	{ 0x38, KEY_EDIT },   /* EDIT IMAGE */
+
+	{ 0x24, KEY_REWIND },   /* rewind  (<<) */
+	{ 0x25, KEY_PLAY },     /* play    ( >) */
+	{ 0x26, KEY_FORWARD },  /* forward (>>) */
+	{ 0x27, KEY_RECORD },   /* record  ( o) */
+	{ 0x28, KEY_STOP },     /* stop    ([]) */
+	{ 0x29, KEY_PAUSE },    /* pause   ('') */
+
+	{ 0x21, KEY_PREVIOUS },        /* prev */
+	{ 0x39, KEY_SWITCHVIDEOMODE }, /* F SCR */
+	{ 0x23, KEY_NEXT },            /* next */
+	{ 0x19, KEY_MENU },            /* MENU */
+	{ 0x3a, KEY_LANGUAGE },        /* AUDIO */
+
+	{ 0x02, KEY_POWER }, /* POWER */
 };
 
 static struct rc_map_list medion_x10_map = {
diff --git a/drivers/media/rc/keymaps/rc-snapstream-firefly.c b/drivers/media/rc/keymaps/rc-snapstream-firefly.c
index ef146520931c..c7f33ec719b4 100644
--- a/drivers/media/rc/keymaps/rc-snapstream-firefly.c
+++ b/drivers/media/rc/keymaps/rc-snapstream-firefly.c
@@ -22,63 +22,63 @@
 #include <media/rc-map.h>
 
 static struct rc_map_table snapstream_firefly[] = {
-	{ 0xf12c, KEY_ZOOM },       /* Maximize */
-	{ 0xc702, KEY_CLOSE },
-
-	{ 0xd20d, KEY_1 },
-	{ 0xd30e, KEY_2 },
-	{ 0xd40f, KEY_3 },
-	{ 0xd510, KEY_4 },
-	{ 0xd611, KEY_5 },
-	{ 0xd712, KEY_6 },
-	{ 0xd813, KEY_7 },
-	{ 0xd914, KEY_8 },
-	{ 0xda15, KEY_9 },
-	{ 0xdc17, KEY_0 },
-	{ 0xdb16, KEY_BACK },
-	{ 0xdd18, KEY_KPENTER },    /* ent */
-
-	{ 0xce09, KEY_VOLUMEUP },
-	{ 0xcd08, KEY_VOLUMEDOWN },
-	{ 0xcf0a, KEY_MUTE },
-	{ 0xd00b, KEY_CHANNELUP },
-	{ 0xd10c, KEY_CHANNELDOWN },
-	{ 0xc500, KEY_VENDOR },     /* firefly */
-
-	{ 0xf32e, KEY_INFO },
-	{ 0xf42f, KEY_OPTION },
-
-	{ 0xe21d, KEY_LEFT },
-	{ 0xe41f, KEY_RIGHT },
-	{ 0xe722, KEY_DOWN },
-	{ 0xdf1a, KEY_UP },
-	{ 0xe31e, KEY_OK },
-
-	{ 0xe11c, KEY_MENU },
-	{ 0xe520, KEY_EXIT },
-
-	{ 0xec27, KEY_RECORD },
-	{ 0xea25, KEY_PLAY },
-	{ 0xed28, KEY_STOP },
-	{ 0xe924, KEY_REWIND },
-	{ 0xeb26, KEY_FORWARD },
-	{ 0xee29, KEY_PAUSE },
-	{ 0xf02b, KEY_PREVIOUS },
-	{ 0xef2a, KEY_NEXT },
-
-	{ 0xcb06, KEY_AUDIO },      /* Music */
-	{ 0xca05, KEY_IMAGES },     /* Photos */
-	{ 0xc904, KEY_DVD },
-	{ 0xc803, KEY_TV },
-	{ 0xcc07, KEY_VIDEO },
-
-	{ 0xc601, KEY_HELP },
-	{ 0xf22d, KEY_MODE },       /* Mouse */
-
-	{ 0xde19, KEY_A },
-	{ 0xe01b, KEY_B },
-	{ 0xe621, KEY_C },
-	{ 0xe823, KEY_D },
+	{ 0x2c, KEY_ZOOM },       /* Maximize */
+	{ 0x02, KEY_CLOSE },
+
+	{ 0x0d, KEY_1 },
+	{ 0x0e, KEY_2 },
+	{ 0x0f, KEY_3 },
+	{ 0x10, KEY_4 },
+	{ 0x11, KEY_5 },
+	{ 0x12, KEY_6 },
+	{ 0x13, KEY_7 },
+	{ 0x14, KEY_8 },
+	{ 0x15, KEY_9 },
+	{ 0x17, KEY_0 },
+	{ 0x16, KEY_BACK },
+	{ 0x18, KEY_KPENTER },    /* ent */
+
+	{ 0x09, KEY_VOLUMEUP },
+	{ 0x08, KEY_VOLUMEDOWN },
+	{ 0x0a, KEY_MUTE },
+	{ 0x0b, KEY_CHANNELUP },
+	{ 0x0c, KEY_CHANNELDOWN },
+	{ 0x00, KEY_VENDOR },     /* firefly */
+
+	{ 0x2e, KEY_INFO },
+	{ 0x2f, KEY_OPTION },
+
+	{ 0x1d, KEY_LEFT },
+	{ 0x1f, KEY_RIGHT },
+	{ 0x22, KEY_DOWN },
+	{ 0x1a, KEY_UP },
+	{ 0x1e, KEY_OK },
+
+	{ 0x1c, KEY_MENU },
+	{ 0x20, KEY_EXIT },
+
+	{ 0x27, KEY_RECORD },
+	{ 0x25, KEY_PLAY },
+	{ 0x28, KEY_STOP },
+	{ 0x24, KEY_REWIND },
+	{ 0x26, KEY_FORWARD },
+	{ 0x29, KEY_PAUSE },
+	{ 0x2b, KEY_PREVIOUS },
+	{ 0x2a, KEY_NEXT },
+
+	{ 0x06, KEY_AUDIO },      /* Music */
+	{ 0x05, KEY_IMAGES },     /* Photos */
+	{ 0x04, KEY_DVD },
+	{ 0x03, KEY_TV },
+	{ 0x07, KEY_VIDEO },
+
+	{ 0x01, KEY_HELP },
+	{ 0x2d, KEY_MODE },       /* Mouse */
+
+	{ 0x19, KEY_A },
+	{ 0x1b, KEY_B },
+	{ 0x21, KEY_C },
+	{ 0x23, KEY_D },
 };
 
 static struct rc_map_list snapstream_firefly_map = {
-- 
GitLab


From a32390d808b5b7a6b1c7f9236673c917b4733f13 Mon Sep 17 00:00:00 2001
From: Thomas Jarosch <thomas.jarosch@intra2net.com>
Date: Sat, 15 Oct 2011 18:38:40 -0300
Subject: [PATCH 1372/1594] [media] m5mols: Fix logic in sanity check

Detected by "cppcheck".

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/m5mols/m5mols_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/m5mols/m5mols_core.c b/drivers/media/video/m5mols/m5mols_core.c
index 68497f8ddcd9..5da8d74df508 100644
--- a/drivers/media/video/m5mols/m5mols_core.c
+++ b/drivers/media/video/m5mols/m5mols_core.c
@@ -333,7 +333,7 @@ int m5mols_mode(struct m5mols_info *info, u8 mode)
 	int ret = -EINVAL;
 	u8 reg;
 
-	if (mode < REG_PARAMETER && mode > REG_CAPTURE)
+	if (mode < REG_PARAMETER || mode > REG_CAPTURE)
 		return ret;
 
 	ret = m5mols_read_u8(sd, SYSTEM_SYSMODE, &reg);
-- 
GitLab


From 393a23fc9377ac3deaa97c5cc00b5c78746c8570 Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Thu, 8 Dec 2011 06:56:22 -0300
Subject: [PATCH 1373/1594] [media] s5p-fimc: Fix camera input configuration in
 subdev operations

When using only subdev user-space operations the camera
interface input was not configured properly. Fix this by
updating the corresponding data structure in set_fmt
operation.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/s5p-fimc/fimc-capture.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index 82d9ab6984eb..2cc3b9166724 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -1242,6 +1242,7 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd,
 
 	mutex_lock(&fimc->lock);
 	set_frame_bounds(ff, mf->width, mf->height);
+	fimc->vid_cap.mf = *mf;
 	ff->fmt = ffmt;
 
 	/* Reset the crop rectangle if required. */
-- 
GitLab


From 9811ccdfa94b4773c8030569bd8ec75eafa485ac Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Sun, 11 Dec 2011 20:32:25 +0100
Subject: [PATCH 1374/1594] ARM: 7204/1: arch/arm/kernel/setup.c: initialize
 arm_dma_zone_size earlier

arm_dma_zone_size is used by arm_bootmem_free() which is called by
paging_init(). Thus it needs to be set before calling it.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/kernel/setup.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 1bdd0adbb7dd..8fc2c8fcbdc6 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -902,6 +902,12 @@ void __init setup_arch(char **cmdline_p)
 	machine_desc = mdesc;
 	machine_name = mdesc->name;
 
+#ifdef CONFIG_ZONE_DMA
+	if (mdesc->dma_zone_size) {
+		extern unsigned long arm_dma_zone_size;
+		arm_dma_zone_size = mdesc->dma_zone_size;
+	}
+#endif
 	if (mdesc->soft_reboot)
 		reboot_setup("s");
 
@@ -932,12 +938,6 @@ void __init setup_arch(char **cmdline_p)
 
 	tcm_init();
 
-#ifdef CONFIG_ZONE_DMA
-	if (mdesc->dma_zone_size) {
-		extern unsigned long arm_dma_zone_size;
-		arm_dma_zone_size = mdesc->dma_zone_size;
-	}
-#endif
 #ifdef CONFIG_MULTI_IRQ_HANDLER
 	handle_arch_irq = mdesc->handle_irq;
 #endif
-- 
GitLab


From 62e4a13e602214908341fad068ff91f31aed1a4e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>
Date: Sun, 11 Dec 2011 19:15:49 +0100
Subject: [PATCH 1375/1594] ASoC: WM8958: correctly show firmware magic on
 mismatch
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8958-dsp2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index 0293763debe5..5a14d5c0e0e1 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -60,6 +60,8 @@ static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name,
 	}
 
 	if (memcmp(fw->data, "WMFW", 4) != 0) {
+		memcpy(&data32, fw->data, sizeof(data32));
+		data32 = be32_to_cpu(data32);
 		dev_err(codec->dev, "%s: firmware has bad file magic %08x\n",
 			name, data32);
 		goto err;
-- 
GitLab


From 497d496598f411cb7f0690725a0e8b9029cebdb9 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 12 Dec 2011 11:26:00 +0800
Subject: [PATCH 1376/1594] ASoC: Fix hx4700 error handling to free gpios if
 snd_soc_register_card fails

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 sound/soc/pxa/hx4700.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/soc/pxa/hx4700.c b/sound/soc/pxa/hx4700.c
index 65c124831a00..c664e33fb6d7 100644
--- a/sound/soc/pxa/hx4700.c
+++ b/sound/soc/pxa/hx4700.c
@@ -209,9 +209,10 @@ static int __devinit hx4700_audio_probe(struct platform_device *pdev)
 	snd_soc_card_hx4700.dev = &pdev->dev;
 	ret = snd_soc_register_card(&snd_soc_card_hx4700);
 	if (ret)
-		return ret;
+		gpio_free_array(hx4700_audio_gpios,
+				ARRAY_SIZE(hx4700_audio_gpios));
 
-	return 0;
+	return ret;
 }
 
 static int __devexit hx4700_audio_remove(struct platform_device *pdev)
-- 
GitLab


From 0d0e3064a88cc8d6bd3a9b43c5ae069ca838fc6e Mon Sep 17 00:00:00 2001
From: Chris Bagwell <chris@cnpbagwell.com>
Date: Sun, 11 Dec 2011 23:50:59 -0800
Subject: [PATCH 1377/1594] Input: wacom - add product id used by Samsung Slate
 7

New product ID reported by Harvey Braun on linuxwacom mailing list
and also tested this patch with new hardware.

Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Acked-by: Ping Cheng <pinglinux@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/tablet/wacom_wac.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index da0d8761e778..2ee47d01a3b4 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1470,6 +1470,9 @@ static const struct wacom_features wacom_features_0xE3 =
 static const struct wacom_features wacom_features_0xE6 =
 	{ "Wacom ISDv4 E6",       WACOM_PKGLEN_TPC2FG,    27760, 15694,  255,
 	  0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0xEC =
+	{ "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
+	  0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x47 =
 	{ "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
 	  31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -1611,6 +1614,7 @@ const struct usb_device_id wacom_ids[] = {
 	{ USB_DEVICE_WACOM(0xE2) },
 	{ USB_DEVICE_WACOM(0xE3) },
 	{ USB_DEVICE_WACOM(0xE6) },
+	{ USB_DEVICE_WACOM(0xEC) },
 	{ USB_DEVICE_WACOM(0x47) },
 	{ USB_DEVICE_LENOVO(0x6004) },
 	{ }
-- 
GitLab


From 3a7f8fb1d8c9b6a066b0452cea47c85547c97723 Mon Sep 17 00:00:00 2001
From: Xi Wang <xi.wang@gmail.com>
Date: Sun, 11 Dec 2011 23:40:56 -0800
Subject: [PATCH 1378/1594] Input: cma3000_d0x - fix signedness bug in
 cma3000_thread_irq()

The error check (intr_status < 0) didn't work because intr_status is
a u8.  Change its type to signed int.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/misc/cma3000_d0x.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
index 1633b6342267..09f8f2025580 100644
--- a/drivers/input/misc/cma3000_d0x.c
+++ b/drivers/input/misc/cma3000_d0x.c
@@ -114,8 +114,8 @@ static void decode_mg(struct cma3000_accl_data *data, int *datax,
 static irqreturn_t cma3000_thread_irq(int irq, void *dev_id)
 {
 	struct cma3000_accl_data *data = dev_id;
-	int datax, datay, dataz;
-	u8 ctrl, mode, range, intr_status;
+	int datax, datay, dataz, intr_status;
+	u8 ctrl, mode, range;
 
 	intr_status = CMA3000_READ(data, CMA3000_INTSTATUS, "interrupt status");
 	if (intr_status < 0)
-- 
GitLab


From 8521478f67e95ada4e87970c7b41e504c724b2cf Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Mon, 12 Dec 2011 00:05:53 -0800
Subject: [PATCH 1379/1594] Input: synaptics - fix touchpad not working after
 S2R on Vostro V13

Synaptics touchpads on several Dell laptops, particularly Vostro V13
systems, may not respond properly to PS/2 commands and queries immediately
after resuming from suspend to RAM. This leads to unresponsive touchpad
after suspend/resume cycle.

Adding a 1-second delay after resetting the device allows touchpad to
finish initializing (calibrating?) and start reacting properly.

Reported-by: Daniel Manrique <daniel.manrique@canonical.com>
Tested-by: Daniel Manrique <daniel.manrique@canonical.com>
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/mouse/synaptics.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index c080b828e5dc..a6dcd18e9adf 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -24,6 +24,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/dmi.h>
 #include <linux/input/mt.h>
 #include <linux/serio.h>
@@ -1220,6 +1221,16 @@ static int synaptics_reconnect(struct psmouse *psmouse)
 
 	do {
 		psmouse_reset(psmouse);
+		if (retry) {
+			/*
+			 * On some boxes, right after resuming, the touchpad
+			 * needs some time to finish initializing (I assume
+			 * it needs time to calibrate) and start responding
+			 * to Synaptics-specific queries, so let's wait a
+			 * bit.
+			 */
+			ssleep(1);
+		}
 		error = synaptics_detect(psmouse, 0);
 	} while (error && ++retry < 3);
 
-- 
GitLab


From f6a290b419a2675c4b77a6b0731cd2a64332365e Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Mon, 7 Nov 2011 22:05:21 +1100
Subject: [PATCH 1380/1594] [SCSI] mpt2sas: _scsih_smart_predicted_fault uses
 GFP_KERNEL in interrupt context

_scsih_smart_predicted_fault is called in an interrupt and therefore
must allocate memory using GFP_ATOMIC.

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: <stable@kernel.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 4e041f6d808c..d570573b7963 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -4335,7 +4335,7 @@ _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
 	/* insert into event log */
 	sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
 	     sizeof(Mpi2EventDataSasDeviceStatusChange_t);
-	event_reply = kzalloc(sz, GFP_KERNEL);
+	event_reply = kzalloc(sz, GFP_ATOMIC);
 	if (!event_reply) {
 		printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
 		    ioc->name, __FILE__, __LINE__, __func__);
-- 
GitLab


From ad537689c30d8e35300dcc93a109a966b8a89478 Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <saurav.kashyap@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:09 -0800
Subject: [PATCH 1381/1594] [SCSI] qla2xxx: Remove qla2x00_wait_for_loop_ready
 function.

This function can wait for 5min under certain scenarios. One of them is when
the port is down from switch and bus reset is issued. The bus reset used to
wait for 5 minutes for the loop and upper layer callers used to hang and give
stack trace because of getting stuck for 120 sec. It is legacy code that was
used when the driver used to do queuing of the commands.

Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_os.c | 70 ++---------------------------------
 1 file changed, 4 insertions(+), 66 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index fd14c7bfc626..93673d3094e8 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -814,49 +814,6 @@ qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 	return return_status;
 }
 
-/*
- * qla2x00_wait_for_loop_ready
- *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
- *    to be in LOOP_READY state.
- * Input:
- *     ha - pointer to host adapter structure
- *
- * Note:
- *    Does context switching-Release SPIN_LOCK
- *    (if any) before calling this routine.
- *
- *
- * Return:
- *    Success (LOOP_READY) : 0
- *    Failed  (LOOP_NOT_READY) : 1
- */
-static inline int
-qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
-{
-	int 	 return_status = QLA_SUCCESS;
-	unsigned long loop_timeout ;
-	struct qla_hw_data *ha = vha->hw;
-	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
-
-	/* wait for 5 min at the max for loop to be ready */
-	loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
-
-	while ((!atomic_read(&base_vha->loop_down_timer) &&
-	    atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
-	    atomic_read(&base_vha->loop_state) != LOOP_READY) {
-		if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
-			return_status = QLA_FUNCTION_FAILED;
-			break;
-		}
-		msleep(1000);
-		if (time_after_eq(jiffies, loop_timeout)) {
-			return_status = QLA_FUNCTION_FAILED;
-			break;
-		}
-	}
-	return (return_status);
-}
-
 static void
 sp_get(struct srb *sp)
 {
@@ -1035,12 +992,6 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 		    "Wait for hba online failed for cmd=%p.\n", cmd);
 		goto eh_reset_failed;
 	}
-	err = 1;
-	if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) {
-		ql_log(ql_log_warn, vha, 0x800b,
-		    "Wait for loop ready failed for cmd=%p.\n", cmd);
-		goto eh_reset_failed;
-	}
 	err = 2;
 	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
 		!= QLA_SUCCESS) {
@@ -1137,10 +1088,9 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 		goto eh_bus_reset_done;
 	}
 
-	if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
-		if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
-			ret = SUCCESS;
-	}
+	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
+		ret = SUCCESS;
+
 	if (ret == FAILED)
 		goto eh_bus_reset_done;
 
@@ -1206,15 +1156,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
 		goto eh_host_reset_lock;
 
-	/*
-	 * Fixme-may be dpc thread is active and processing
-	 * loop_resync,so wait a while for it to
-	 * be completed and then issue big hammer.Otherwise
-	 * it may cause I/O failure as big hammer marks the
-	 * devices as lost kicking of the port_down_timer
-	 * while dpc is stuck for the mailbox to complete.
-	 */
-	qla2x00_wait_for_loop_ready(vha);
 	if (vha != base_vha) {
 		if (qla2x00_vp_abort_isp(vha))
 			goto eh_host_reset_lock;
@@ -1297,16 +1238,13 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
 		atomic_set(&vha->loop_state, LOOP_DOWN);
 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 		qla2x00_mark_all_devices_lost(vha, 0);
-		qla2x00_wait_for_loop_ready(vha);
 	}
 
 	if (ha->flags.enable_lip_reset) {
 		ret = qla2x00_lip_reset(vha);
-		if (ret != QLA_SUCCESS) {
+		if (ret != QLA_SUCCESS)
 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
 			    "lip_reset failed (%d).\n", ret);
-		} else
-			qla2x00_wait_for_loop_ready(vha);
 	}
 
 	/* Issue marker command only when we are going to start the I/O */
-- 
GitLab


From 4e85e3d92fd1b52989882062f5cb143a31375b62 Mon Sep 17 00:00:00 2001
From: Arun Easi <arun.easi@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:10 -0800
Subject: [PATCH 1382/1594] [SCSI] qla2xxx: Check for SCSI status on underruns.

Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_isr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 2516adf1aeea..7b91b290ffd6 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1741,7 +1741,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
 				    resid, scsi_bufflen(cp));
 
 				cp->result = DID_ERROR << 16 | lscsi_status;
-				break;
+				goto check_scsi_status;
 			}
 
 			if (!lscsi_status &&
-- 
GitLab


From be5ea3cfa15ddef0bee9dfbc214c2113119087a2 Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <saurav.kashyap@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:11 -0800
Subject: [PATCH 1383/1594] [SCSI] qla2xxx: Don't call alloc_fw_dump for
 ISP82XX.

Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_init.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index f03e915f1877..54ea68cec4c5 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1509,7 +1509,8 @@ enable_82xx_npiv:
 				    &ha->fw_xcb_count, NULL, NULL,
 				    &ha->max_npiv_vports, NULL);
 
-				if (!fw_major_version && ql2xallocfwdump)
+				if (!fw_major_version && ql2xallocfwdump
+				    && !IS_QLA82XX(ha))
 					qla2x00_alloc_fw_dump(vha);
 			}
 		} else {
-- 
GitLab


From 0cd33fcfb54f2eb053ead3cca35ad9775fc01301 Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:12 -0800
Subject: [PATCH 1384/1594] [SCSI] qla2xxx: Revert back the request queue
 mapping to request queue 0.

If there is an error creating multiple response queues then we need to revert
the request queue mapping back to request queue 0.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_os.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 93673d3094e8..01c87004b219 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -423,6 +423,7 @@ fail2:
 	qla25xx_delete_queues(vha);
 	destroy_workqueue(ha->wq);
 	ha->wq = NULL;
+	vha->req = ha->req_q_map[0];
 fail:
 	ha->mqenable = 0;
 	kfree(ha->req_q_map);
-- 
GitLab


From 841c5e5cee140115b03355c39e4c3f1798ec34bc Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:13 -0800
Subject: [PATCH 1385/1594] [SCSI] qla2xxx: Stop unconditional completion of
 mailbox commands issued in interrupt mode during firmware hang.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_nx.c | 5 ++++-
 drivers/scsi/qla2xxx/qla_os.c | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 94bded5ddce4..d2005c3c8247 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -4075,7 +4075,10 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
 				ha->flags.isp82xx_fw_hung = 1;
 				if (ha->flags.mbox_busy) {
 					ha->flags.mbox_int = 1;
-					complete(&ha->mbx_intr_comp);
+					if (test_bit(MBX_INTR_WAIT,
+					    &ha->mbx_cmd_flags)) {
+						complete(&ha->mbx_intr_comp);
+					}
 				}
 				break;
 			}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 01c87004b219..abec1dd31194 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4014,7 +4014,10 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
 				ql_dbg(ql_dbg_aer, vha, 0x9001,
 				    "Due to pci channel io frozen, doing premature "
 				    "completion of mbx command.\n");
-				complete(&ha->mbx_intr_comp);
+				if (test_bit(MBX_INTR_WAIT,
+				    &ha->mbx_cmd_flags)) {
+					complete(&ha->mbx_intr_comp);
+				}
 			}
 		}
 		qla2x00_free_irqs(vha);
-- 
GitLab


From 3aadff356bb80dae1ebb0a2e68974fdbb39fe034 Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:14 -0800
Subject: [PATCH 1386/1594] [SCSI] qla2xxx: Enable Minidump by default with
 default capture mask 0x1f.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_os.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index abec1dd31194..71d62593c119 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -201,12 +201,12 @@ MODULE_PARM_DESC(ql2xmdcapmask,
 		"Set the Minidump driver capture mask level. "
 		"Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 
-int ql2xmdenable;
+int ql2xmdenable = 1;
 module_param(ql2xmdenable, int, S_IRUGO);
 MODULE_PARM_DESC(ql2xmdenable,
 		"Enable/disable MiniDump. "
-		"0 (Default) - MiniDump disabled. "
-		"1 - MiniDump enabled.");
+		"0 - MiniDump disabled. "
+		"1 (Default) - MiniDump enabled.");
 
 /*
  * SCSI host template entry points
-- 
GitLab


From 1806fcd5d3d7644511e57b1d0a397837b0b38623 Mon Sep 17 00:00:00 2001
From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:15 -0800
Subject: [PATCH 1387/1594] [SCSI] qla2xxx: Return the correct value for a
 mailbox command if 82xx is in reset recovery.

We need to return QLA_FUNCTION_TIMEOUT immediately otherwise we mess up the
mailbox command state machine.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_mbx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 3b3cec9f6ac2..f965a57f5d65 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -79,8 +79,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 		mcp->mb[0] = MBS_LINK_DOWN_ERROR;
 		ql_log(ql_log_warn, base_vha, 0x1004,
 		    "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
-		rval = QLA_FUNCTION_FAILED;
-		goto premature_exit;
+		return QLA_FUNCTION_TIMEOUT;
 	}
 
 	/*
-- 
GitLab


From 10a340e6415d938939724743a4da71fd63f5a95c Mon Sep 17 00:00:00 2001
From: Chad Dupuis <chad.dupuis@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:16 -0800
Subject: [PATCH 1388/1594] [SCSI] qla2xxx: Display IPE error message for
 ISP82xx.

[jejb: fixup checkpatch error]
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_nx.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index d2005c3c8247..8dd96da78704 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3858,6 +3858,11 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
 					    QLA82XX_CRB_PEG_NET_3 + 0x3c),
 				    qla82xx_rd_32(ha,
 					    QLA82XX_CRB_PEG_NET_4 + 0x3c));
+				if (LSW(MSB(halt_status)) == 0x67)
+					ql_log(ql_log_warn, vha, 0xb052,
+					    "Firmware aborted with "
+					    "error code 0x00006700. Device is "
+					    "being reset.\n");
 				if (halt_status & HALT_STATUS_UNRECOVERABLE) {
 					set_bit(ISP_UNRECOVERABLE,
 					    &vha->dpc_flags);
-- 
GitLab


From c8f6544e6d831f05720687f3536d5cbc290ff181 Mon Sep 17 00:00:00 2001
From: Chad Dupuis <chad.dupuis@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:17 -0800
Subject: [PATCH 1389/1594] [SCSI] qla2xxx: Encapsulate prematurely completing
 mailbox commands during ISP82xx firmware hang.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_dbg.c |  6 +++---
 drivers/scsi/qla2xxx/qla_gbl.h |  1 +
 drivers/scsi/qla2xxx/qla_nx.c  | 33 ++++++++++++++++-----------------
 drivers/scsi/qla2xxx/qla_os.c  | 12 ++----------
 4 files changed, 22 insertions(+), 30 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 9df4787715c0..e320d54d2e32 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -17,12 +17,12 @@
  * | Queue Command and IO tracing |       0x302e       |     0x3008     |
  * | DPC Thread                   |       0x401c       |		|
  * | Async Events                 |       0x5059       |		|
- * | Timer Routines               |       0x600d       |		|
+ * | Timer Routines               |       0x6010       | 0x600e,0x600f  |
  * | User Space Interactions      |       0x709d       |		|
- * | Task Management              |       0x8041       |    		|
+ * | Task Management              |       0x8041       | 0x800b         |
  * | AER/EEH                      |       0x900f       |		|
  * | Virtual Port                 |       0xa007       |		|
- * | ISP82XX Specific             |       0xb051       |    		|
+ * | ISP82XX Specific             |       0xb052       |    		|
  * | MultiQ                       |       0xc00b       |		|
  * | Misc                         |       0xd00b       |		|
  * ----------------------------------------------------------------------
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index ce32d8135c9e..c0c11afb685c 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -578,6 +578,7 @@ extern int qla82xx_check_md_needed(scsi_qla_host_t *);
 extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *);
 extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int);
 extern char *qdev_state(uint32_t);
+extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *);
 
 /* BSG related functions */
 extern int qla24xx_bsg_request(struct fc_bsg_job *);
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 8dd96da78704..60d999d335c5 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3817,6 +3817,19 @@ exit:
 	return rval;
 }
 
+void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	if (ha->flags.mbox_busy) {
+		ha->flags.mbox_int = 1;
+		ql_log(ql_log_warn, vha, 0x6010,
+		    "Doing premature completion of mbx command.\n");
+		if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
+			complete(&ha->mbx_intr_comp);
+	}
+}
+
 void qla82xx_watchdog(scsi_qla_host_t *vha)
 {
 	uint32_t dev_state, halt_status;
@@ -3874,16 +3887,8 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
 				}
 				qla2xxx_wake_dpc(vha);
 				ha->flags.isp82xx_fw_hung = 1;
-				if (ha->flags.mbox_busy) {
-					ha->flags.mbox_int = 1;
-					ql_log(ql_log_warn, vha, 0x6007,
-					    "Due to FW hung, doing "
-					    "premature completion of mbx "
-					    "command.\n");
-					if (test_bit(MBX_INTR_WAIT,
-					    &ha->mbx_cmd_flags))
-						complete(&ha->mbx_intr_comp);
-				}
+				ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
+				qla82xx_clear_pending_mbx(vha);
 			}
 		}
 	}
@@ -4078,13 +4083,7 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
 			msleep(1000);
 			if (qla82xx_check_fw_alive(vha)) {
 				ha->flags.isp82xx_fw_hung = 1;
-				if (ha->flags.mbox_busy) {
-					ha->flags.mbox_int = 1;
-					if (test_bit(MBX_INTR_WAIT,
-					    &ha->mbx_cmd_flags)) {
-						complete(&ha->mbx_intr_comp);
-					}
-				}
+				qla82xx_clear_pending_mbx(vha);
 				break;
 			}
 		}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 71d62593c119..f9e5b85e84d8 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4009,16 +4009,8 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
 		/* For ISP82XX complete any pending mailbox cmd */
 		if (IS_QLA82XX(ha)) {
 			ha->flags.isp82xx_fw_hung = 1;
-			if (ha->flags.mbox_busy) {
-				ha->flags.mbox_int = 1;
-				ql_dbg(ql_dbg_aer, vha, 0x9001,
-				    "Due to pci channel io frozen, doing premature "
-				    "completion of mbx command.\n");
-				if (test_bit(MBX_INTR_WAIT,
-				    &ha->mbx_cmd_flags)) {
-					complete(&ha->mbx_intr_comp);
-				}
-			}
+			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
+			qla82xx_clear_pending_mbx(vha);
 		}
 		qla2x00_free_irqs(vha);
 		pci_disable_device(pdev);
-- 
GitLab


From 1c89fe3b51a2f8068f2f9faa9c48584151416583 Mon Sep 17 00:00:00 2001
From: David Henningsson <david.henningsson@canonical.com>
Date: Mon, 12 Dec 2011 14:01:17 +0800
Subject: [PATCH 1390/1594] ALSA: HDA: Set position fix to LPIB for an
 Atom/Poulsbo based device

For the Asus 1101HA, reporting position by reading the DMA position
buffer map seems unstable and often wrong. The reporter says that
position_fix=LPIB works much better (although not 100%, but this is
probably due to other issues).

The controller chip is an Intel Poulsbo 8086:811b (rev 07) controller,
and complete alsa-info is available here:
https://launchpadlibrarian.net/86691768/alsa-info.txt.1TNwyE5Ea7

Cc: stable@kernel.org (3.0+)
BugLink: http://bugs.launchpad.net/bugs/825709
Tested-by: Stefano Lodi
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 7d98240def0b..84d11d7ed710 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2507,6 +2507,7 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS 1101HA", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
-- 
GitLab


From 8937f2f1c4bc6a9098fd71eb4a7deba5f0683118 Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:18 -0800
Subject: [PATCH 1391/1594] [SCSI] qla2xxx: Clear mailbox busy flag during
 premature mailbox completion for ISP82xx.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_mbx.c | 2 ++
 drivers/scsi/qla2xxx/qla_nx.c  | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index f965a57f5d65..6ff7c3cbd0b5 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -162,6 +162,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 				HINT_MBX_INT_PENDING) {
 				spin_unlock_irqrestore(&ha->hardware_lock,
 					flags);
+				ha->flags.mbox_busy = 0;
 				ql_dbg(ql_dbg_mbx, base_vha, 0x1010,
 				    "Pending mailbox timeout, exiting.\n");
 				rval = QLA_FUNCTION_TIMEOUT;
@@ -187,6 +188,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 				HINT_MBX_INT_PENDING) {
 				spin_unlock_irqrestore(&ha->hardware_lock,
 					flags);
+				ha->flags.mbox_busy = 0;
 				ql_dbg(ql_dbg_mbx, base_vha, 0x1012,
 				    "Pending mailbox timeout, exiting.\n");
 				rval = QLA_FUNCTION_TIMEOUT;
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 60d999d335c5..54246f934664 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3823,6 +3823,7 @@ void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
 
 	if (ha->flags.mbox_busy) {
 		ha->flags.mbox_int = 1;
+		ha->flags.mbox_busy = 0;
 		ql_log(ql_log_warn, vha, 0x6010,
 		    "Doing premature completion of mbx command.\n");
 		if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
-- 
GitLab


From 631549169801df054210839cfda0aceef78966af Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:19 -0800
Subject: [PATCH 1392/1594] [SCSI] qla2xxx: Disable generating pause frames
 when firmware hang detected for ISP82xx.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_dbg.c |  2 +-
 drivers/scsi/qla2xxx/qla_mbx.c | 20 ++++++++++++++++++--
 drivers/scsi/qla2xxx/qla_nx.c  |  6 +++++-
 drivers/scsi/qla2xxx/qla_nx.h  |  4 ++++
 4 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index e320d54d2e32..f3cddd5800c3 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -12,7 +12,7 @@
  * |             Level            |   Last Value Used  |     Holes	|
  * ----------------------------------------------------------------------
  * | Module Init and Probe        |       0x0116       |  		|
- * | Mailbox commands             |       0x1129       |		|
+ * | Mailbox commands             |       0x112b       |		|
  * | Device Discovery             |       0x2083       |		|
  * | Queue Command and IO tracing |       0x302e       |     0x3008     |
  * | DPC Thread                   |       0x401c       |		|
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 6ff7c3cbd0b5..82a33533ed26 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -303,7 +303,15 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-
+				if (IS_QLA82XX(ha)) {
+					ql_dbg(ql_dbg_mbx, vha, 0x112a,
+					    "disabling pause transmit on port "
+					    "0 & 1.\n");
+					qla82xx_wr_32(ha,
+					    QLA82XX_CRB_NIU + 0x98,
+					    CRB_NIU_XG_PAUSE_CTL_P0|
+					    CRB_NIU_XG_PAUSE_CTL_P1);
+				}
 				ql_log(ql_log_info, base_vha, 0x101c,
 				    "Mailbox cmd timeout occured. "
 				    "Scheduling ISP abort eeh_busy=0x%x.\n",
@@ -319,7 +327,15 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
 			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
 			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
-
+				if (IS_QLA82XX(ha)) {
+					ql_dbg(ql_dbg_mbx, vha, 0x112b,
+					    "disabling pause transmit on port "
+					    "0 & 1.\n");
+					qla82xx_wr_32(ha,
+					    QLA82XX_CRB_NIU + 0x98,
+					    CRB_NIU_XG_PAUSE_CTL_P0|
+					    CRB_NIU_XG_PAUSE_CTL_P1);
+				}
 				ql_log(ql_log_info, base_vha, 0x101e,
 				    "Mailbox cmd timeout occured. "
 				    "Scheduling ISP abort.\n");
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 54246f934664..03554934b0a5 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3853,9 +3853,13 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
 			qla2xxx_wake_dpc(vha);
 		} else {
 			if (qla82xx_check_fw_alive(vha)) {
+				ql_dbg(ql_dbg_timer, vha, 0x6011,
+				    "disabling pause transmit on port 0 & 1.\n");
+				qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
+				    CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
 				halt_status = qla82xx_rd_32(ha,
 				    QLA82XX_PEG_HALT_STATUS1);
-				ql_dbg(ql_dbg_timer, vha, 0x6005,
+				ql_log(ql_log_info, vha, 0x6005,
 				    "dumping hw/fw registers:.\n "
 				    " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
 				    " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
index 57820c199bc2..57a226be339a 100644
--- a/drivers/scsi/qla2xxx/qla_nx.h
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -1173,4 +1173,8 @@ struct qla82xx_md_entry_queue {
 
 static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 0x410000AC,
 	0x410000B8, 0x410000BC };
+
+#define CRB_NIU_XG_PAUSE_CTL_P0        0x1
+#define CRB_NIU_XG_PAUSE_CTL_P1        0x8
+
 #endif
-- 
GitLab


From 49e85c23beb1f12aba59450126ff7e803fbc767d Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <saurav.kashyap@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:20 -0800
Subject: [PATCH 1393/1594] [SCSI] qla2xxx: Correct fc_host port_state display.

[jejb: checkpatch fixes]
Add more fine grain parsing of vha->loop_state to export a more accurate
fc_host port_state.

Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_attr.c | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index ac326c41e931..6465dae5883a 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1762,12 +1762,31 @@ qla2x00_get_host_port_state(struct Scsi_Host *shost)
 	scsi_qla_host_t *vha = shost_priv(shost);
 	struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
 
-	if (!base_vha->flags.online)
+	if (!base_vha->flags.online) {
 		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
-	else if (atomic_read(&base_vha->loop_state) == LOOP_TIMEOUT)
-		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
-	else
+		return;
+	}
+
+	switch (atomic_read(&base_vha->loop_state)) {
+	case LOOP_UPDATE:
+		fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
+		break;
+	case LOOP_DOWN:
+		if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
+			fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
+		else
+			fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+		break;
+	case LOOP_DEAD:
+		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
+		break;
+	case LOOP_READY:
 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
+		break;
+	default:
+		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
+		break;
+	}
 }
 
 static int
-- 
GitLab


From 0d2aa38ee9b11be35ef6f91c938dd3441cf64ea4 Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:21 -0800
Subject: [PATCH 1394/1594] [SCSI] qla2xxx: Submit all chained IOCBs for
 passthrough commands on request queue 0.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_iocb.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index dbec89622a0f..a4b267e60a35 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -120,11 +120,10 @@ qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
  * Returns a pointer to the continuation type 1 IOCB packet.
  */
 static inline cont_a64_entry_t *
-qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
+qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req)
 {
 	cont_a64_entry_t *cont_pkt;
 
-	struct req_que *req = vha->req;
 	/* Adjust ring index. */
 	req->ring_index++;
 	if (req->ring_index == req->length) {
@@ -292,7 +291,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
 			 * Five DSDs are available in the Continuation
 			 * Type 1 IOCB.
 			 */
-			cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+			cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
 			cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
 			avail_dsds = 5;
 		}
@@ -684,7 +683,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
 			 * Five DSDs are available in the Continuation
 			 * Type 1 IOCB.
 			 */
-			cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+			cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
 			cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
 			avail_dsds = 5;
 		}
@@ -2070,7 +2069,8 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
 			* Five DSDs are available in the Cont.
 			* Type 1 IOCB.
 			       */
-			cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+			cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+			    vha->hw->req_q_map[0]);
 			cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
 			avail_dsds = 5;
 			cont_iocb_prsnt = 1;
@@ -2096,6 +2096,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
 	int index;
 	uint16_t tot_dsds;
         scsi_qla_host_t *vha = sp->fcport->vha;
+	struct qla_hw_data *ha = vha->hw;
 	struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
 	int loop_iterartion = 0;
 	int cont_iocb_prsnt = 0;
@@ -2141,7 +2142,8 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
 			* Five DSDs are available in the Cont.
 			* Type 1 IOCB.
 			       */
-			cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+			cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
+			    ha->req_q_map[0]);
 			cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
 			avail_dsds = 5;
 			cont_iocb_prsnt = 1;
-- 
GitLab


From 09b4402d2c8e36b8d4270c4da235fd7bb312118d Mon Sep 17 00:00:00 2001
From: Chad Dupuis <chad.dupuis@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:22 -0800
Subject: [PATCH 1395/1594] [SCSI] qla2xxx: Update version number to
 8.03.07.12-k.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla2xxx/qla_version.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 13b6357c1fa2..23f33a6d52d7 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.03.07.07-k"
+#define QLA2XXX_VERSION      "8.03.07.12-k"
 
 #define QLA_DRIVER_MAJOR_VER	8
 #define QLA_DRIVER_MINOR_VER	3
-- 
GitLab


From f44b915d315ff0a7dd362c5c0eac5fbde4cc4411 Mon Sep 17 00:00:00 2001
From: Yu Xu <yuxu@marvell.com>
Date: Sat, 10 Dec 2011 00:03:33 +0800
Subject: [PATCH 1396/1594] usb: gadget: storage: release superspeed
 descriptors.

Release superspeed mass storage descriptors memory
when the function is unbind.

Signed-off-by: Yu Xu <yuxu@marvell.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/gadget/f_mass_storage.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index c39d58860fa0..1a6f415c0d02 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2975,6 +2975,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f)
 	fsg_common_put(common);
 	usb_free_descriptors(fsg->function.descriptors);
 	usb_free_descriptors(fsg->function.hs_descriptors);
+	usb_free_descriptors(fsg->function.ss_descriptors);
 	kfree(fsg);
 }
 
-- 
GitLab


From b95eb7476e7224baae34f67ae9a09042521e97ff Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 8 Dec 2011 18:23:56 -0800
Subject: [PATCH 1397/1594] usb: renesas_usbhs: typofix: irq_dtch control DTCHE

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/renesas_usbhs/mod.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 053f86d70009..ad96a3896729 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -349,7 +349,7 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
 		if (mod->irq_attch)
 			intenb1 |= ATTCHE;
 
-		if (mod->irq_attch)
+		if (mod->irq_dtch)
 			intenb1 |= DTCHE;
 
 		if (mod->irq_sign)
-- 
GitLab


From 1115b9e279a23ca0bf7eda7d7697fe20a441304e Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 8 Dec 2011 18:24:47 -0800
Subject: [PATCH 1398/1594] usb: renesas_usbhs: add hcd->has_tt for low/full
 speed

Low/Full speed device is not recognized without this patch

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/renesas_usbhs/mod_host.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index bade761a1e52..7955de589951 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -1267,6 +1267,7 @@ int usbhs_mod_host_probe(struct usbhs_priv *priv)
 		dev_err(dev, "Failed to create hcd\n");
 		return -ENOMEM;
 	}
+	hcd->has_tt = 1; /* for low/full speed */
 
 	pipe_info = kzalloc(sizeof(*pipe_info) * pipe_size, GFP_KERNEL);
 	if (!pipe_info) {
-- 
GitLab


From b302545744c031eae04a43fb1c56cc17e00a193a Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Mon, 12 Dec 2011 12:42:12 +0100
Subject: [PATCH 1399/1594] block/swim3: Locking fixes

The old PowerMac swim3 driver has some "interesting" locking issues,
using a private lock and failing to lock the queue before completing
requests, which triggered WARN_ONs among others.

This rips out the private lock, makes everything operate under the
block queue lock, and generally makes things simpler.

We used to also share a queue between the two possible instances which
was problematic since we might pick the wrong controller in some cases,
so make the queue and the current request per-instance and use
queuedata to point to our private data which is a lot cleaner.

We still share the queue lock but then, it's nearly impossible to actually
use 2 swim3's simultaneously: one would need to have a Wallstreet
PowerBook, the only machine afaik with two of these on the motherboard,
and populate both hotswap bays with a floppy drive (the machine ships
only with one), so nobody cares...

While at it, add a little fix to clear up stale interrupts when loading
the driver or plugging a floppy drive in a bay.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/swim3.c | 362 +++++++++++++++++++++++++-----------------
 1 file changed, 215 insertions(+), 147 deletions(-)

diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index ae3e167e17ad..89ddab127e33 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -16,6 +16,8 @@
  * handle GCR disks
  */
 
+#undef DEBUG
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -36,13 +38,11 @@
 #include <asm/machdep.h>
 #include <asm/pmac_feature.h>
 
-static DEFINE_MUTEX(swim3_mutex);
-static struct request_queue *swim3_queue;
-static struct gendisk *disks[2];
-static struct request *fd_req;
-
 #define MAX_FLOPPIES	2
 
+static DEFINE_MUTEX(swim3_mutex);
+static struct gendisk *disks[MAX_FLOPPIES];
+
 enum swim_state {
 	idle,
 	locating,
@@ -177,7 +177,6 @@ struct swim3 {
 
 struct floppy_state {
 	enum swim_state	state;
-	spinlock_t lock;
 	struct swim3 __iomem *swim3;	/* hardware registers */
 	struct dbdma_regs __iomem *dma;	/* DMA controller registers */
 	int	swim3_intr;	/* interrupt number for SWIM3 */
@@ -204,8 +203,20 @@ struct floppy_state {
 	int	wanted;
 	struct macio_dev *mdev;
 	char	dbdma_cmd_space[5 * sizeof(struct dbdma_cmd)];
+	int	index;
+	struct request *cur_req;
 };
 
+#define swim3_err(fmt, arg...)	dev_err(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_warn(fmt, arg...)	dev_warn(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_info(fmt, arg...)	dev_info(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+
+#ifdef DEBUG
+#define swim3_dbg(fmt, arg...)	dev_dbg(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#else
+#define swim3_dbg(fmt, arg...)	do { } while(0)
+#endif
+
 static struct floppy_state floppy_states[MAX_FLOPPIES];
 static int floppy_count = 0;
 static DEFINE_SPINLOCK(swim3_lock);
@@ -224,17 +235,8 @@ static unsigned short write_postamble[] = {
 	0, 0, 0, 0, 0, 0
 };
 
-static void swim3_select(struct floppy_state *fs, int sel);
-static void swim3_action(struct floppy_state *fs, int action);
-static int swim3_readbit(struct floppy_state *fs, int bit);
-static void do_fd_request(struct request_queue * q);
-static void start_request(struct floppy_state *fs);
-static void set_timeout(struct floppy_state *fs, int nticks,
-			void (*proc)(unsigned long));
-static void scan_track(struct floppy_state *fs);
 static void seek_track(struct floppy_state *fs, int n);
 static void init_dma(struct dbdma_cmd *cp, int cmd, void *buf, int count);
-static void setup_transfer(struct floppy_state *fs);
 static void act(struct floppy_state *fs);
 static void scan_timeout(unsigned long data);
 static void seek_timeout(unsigned long data);
@@ -254,18 +256,21 @@ static unsigned int floppy_check_events(struct gendisk *disk,
 					unsigned int clearing);
 static int floppy_revalidate(struct gendisk *disk);
 
-static bool swim3_end_request(int err, unsigned int nr_bytes)
+static bool swim3_end_request(struct floppy_state *fs, int err, unsigned int nr_bytes)
 {
-	if (__blk_end_request(fd_req, err, nr_bytes))
-		return true;
+	struct request *req = fs->cur_req;
+	int rc;
 
-	fd_req = NULL;
-	return false;
-}
+	swim3_dbg("  end request, err=%d nr_bytes=%d, cur_req=%p\n",
+		  err, nr_bytes, req);
 
-static bool swim3_end_request_cur(int err)
-{
-	return swim3_end_request(err, blk_rq_cur_bytes(fd_req));
+	if (err)
+		nr_bytes = blk_rq_cur_bytes(req);
+	rc = __blk_end_request(req, err, nr_bytes);
+	if (rc)
+		return true;
+	fs->cur_req = NULL;
+	return false;
 }
 
 static void swim3_select(struct floppy_state *fs, int sel)
@@ -303,50 +308,53 @@ static int swim3_readbit(struct floppy_state *fs, int bit)
 	return (stat & DATA) == 0;
 }
 
-static void do_fd_request(struct request_queue * q)
-{
-	int i;
-
-	for(i=0; i<floppy_count; i++) {
-		struct floppy_state *fs = &floppy_states[i];
-		if (fs->mdev->media_bay &&
-		    check_media_bay(fs->mdev->media_bay) != MB_FD)
-			continue;
-		start_request(fs);
-	}
-}
-
 static void start_request(struct floppy_state *fs)
 {
 	struct request *req;
 	unsigned long x;
 
+	swim3_dbg("start request, initial state=%d\n", fs->state);
+
 	if (fs->state == idle && fs->wanted) {
 		fs->state = available;
 		wake_up(&fs->wait);
 		return;
 	}
 	while (fs->state == idle) {
-		if (!fd_req) {
-			fd_req = blk_fetch_request(swim3_queue);
-			if (!fd_req)
+		swim3_dbg("start request, idle loop, cur_req=%p\n", fs->cur_req);
+		if (!fs->cur_req) {
+			fs->cur_req = blk_fetch_request(disks[fs->index]->queue);
+			swim3_dbg("  fetched request %p\n", fs->cur_req);
+			if (!fs->cur_req)
 				break;
 		}
-		req = fd_req;
-#if 0
-		printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
-		       req->rq_disk->disk_name, req->cmd,
-		       (long)blk_rq_pos(req), blk_rq_sectors(req), req->buffer);
-		printk("           errors=%d current_nr_sectors=%u\n",
-		       req->errors, blk_rq_cur_sectors(req));
+		req = fs->cur_req;
+
+		if (fs->mdev->media_bay &&
+		    check_media_bay(fs->mdev->media_bay) != MB_FD) {
+			swim3_dbg("%s", "  media bay absent, dropping req\n");
+			swim3_end_request(fs, -ENODEV, 0);
+			continue;
+		}
+
+#if 0 /* This is really too verbose */
+		swim3_dbg("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
+			  req->rq_disk->disk_name, req->cmd,
+			  (long)blk_rq_pos(req), blk_rq_sectors(req),
+			  req->buffer);
+		swim3_dbg("           errors=%d current_nr_sectors=%u\n",
+			  req->errors, blk_rq_cur_sectors(req));
 #endif
 
 		if (blk_rq_pos(req) >= fs->total_secs) {
-			swim3_end_request_cur(-EIO);
+			swim3_dbg("  pos out of bounds (%ld, max is %ld)\n",
+				  (long)blk_rq_pos(req), (long)fs->total_secs);
+			swim3_end_request(fs, -EIO, 0);
 			continue;
 		}
 		if (fs->ejected) {
-			swim3_end_request_cur(-EIO);
+			swim3_dbg("%s", "  disk ejected\n");
+			swim3_end_request(fs, -EIO, 0);
 			continue;
 		}
 
@@ -354,7 +362,8 @@ static void start_request(struct floppy_state *fs)
 			if (fs->write_prot < 0)
 				fs->write_prot = swim3_readbit(fs, WRITE_PROT);
 			if (fs->write_prot) {
-				swim3_end_request_cur(-EIO);
+				swim3_dbg("%s", "  try to write, disk write protected\n");
+				swim3_end_request(fs, -EIO, 0);
 				continue;
 			}
 		}
@@ -369,7 +378,6 @@ static void start_request(struct floppy_state *fs)
 		x = ((long)blk_rq_pos(req)) % fs->secpercyl;
 		fs->head = x / fs->secpertrack;
 		fs->req_sector = x % fs->secpertrack + 1;
-		fd_req = req;
 		fs->state = do_transfer;
 		fs->retries = 0;
 
@@ -377,12 +385,14 @@ static void start_request(struct floppy_state *fs)
 	}
 }
 
+static void do_fd_request(struct request_queue * q)
+{
+	start_request(q->queuedata);
+}
+
 static void set_timeout(struct floppy_state *fs, int nticks,
 			void (*proc)(unsigned long))
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&fs->lock, flags);
 	if (fs->timeout_pending)
 		del_timer(&fs->timeout);
 	fs->timeout.expires = jiffies + nticks;
@@ -390,7 +400,6 @@ static void set_timeout(struct floppy_state *fs, int nticks,
 	fs->timeout.data = (unsigned long) fs;
 	add_timer(&fs->timeout);
 	fs->timeout_pending = 1;
-	spin_unlock_irqrestore(&fs->lock, flags);
 }
 
 static inline void scan_track(struct floppy_state *fs)
@@ -442,40 +451,45 @@ static inline void setup_transfer(struct floppy_state *fs)
 	struct swim3 __iomem *sw = fs->swim3;
 	struct dbdma_cmd *cp = fs->dma_cmd;
 	struct dbdma_regs __iomem *dr = fs->dma;
+	struct request *req = fs->cur_req;
 
-	if (blk_rq_cur_sectors(fd_req) <= 0) {
-		printk(KERN_ERR "swim3: transfer 0 sectors?\n");
+	if (blk_rq_cur_sectors(req) <= 0) {
+		swim3_warn("%s", "Transfer 0 sectors ?\n");
 		return;
 	}
-	if (rq_data_dir(fd_req) == WRITE)
+	if (rq_data_dir(req) == WRITE)
 		n = 1;
 	else {
 		n = fs->secpertrack - fs->req_sector + 1;
-		if (n > blk_rq_cur_sectors(fd_req))
-			n = blk_rq_cur_sectors(fd_req);
+		if (n > blk_rq_cur_sectors(req))
+			n = blk_rq_cur_sectors(req);
 	}
+
+	swim3_dbg("  setup xfer at sect %d (of %d) head %d for %d\n",
+		  fs->req_sector, fs->secpertrack, fs->head, n);
+
 	fs->scount = n;
 	swim3_select(fs, fs->head? READ_DATA_1: READ_DATA_0);
 	out_8(&sw->sector, fs->req_sector);
 	out_8(&sw->nsect, n);
 	out_8(&sw->gap3, 0);
 	out_le32(&dr->cmdptr, virt_to_bus(cp));
-	if (rq_data_dir(fd_req) == WRITE) {
+	if (rq_data_dir(req) == WRITE) {
 		/* Set up 3 dma commands: write preamble, data, postamble */
 		init_dma(cp, OUTPUT_MORE, write_preamble, sizeof(write_preamble));
 		++cp;
-		init_dma(cp, OUTPUT_MORE, fd_req->buffer, 512);
+		init_dma(cp, OUTPUT_MORE, req->buffer, 512);
 		++cp;
 		init_dma(cp, OUTPUT_LAST, write_postamble, sizeof(write_postamble));
 	} else {
-		init_dma(cp, INPUT_LAST, fd_req->buffer, n * 512);
+		init_dma(cp, INPUT_LAST, req->buffer, n * 512);
 	}
 	++cp;
 	out_le16(&cp->command, DBDMA_STOP);
 	out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
 	in_8(&sw->error);
 	out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
-	if (rq_data_dir(fd_req) == WRITE)
+	if (rq_data_dir(req) == WRITE)
 		out_8(&sw->control_bis, WRITE_SECTORS);
 	in_8(&sw->intr);
 	out_le32(&dr->control, (RUN << 16) | RUN);
@@ -488,12 +502,16 @@ static inline void setup_transfer(struct floppy_state *fs)
 static void act(struct floppy_state *fs)
 {
 	for (;;) {
+		swim3_dbg("  act loop, state=%d, req_cyl=%d, cur_cyl=%d\n",
+			  fs->state, fs->req_cyl, fs->cur_cyl);
+
 		switch (fs->state) {
 		case idle:
 			return;		/* XXX shouldn't get here */
 
 		case locating:
 			if (swim3_readbit(fs, TRACK_ZERO)) {
+				swim3_dbg("%s", "    locate track 0\n");
 				fs->cur_cyl = 0;
 				if (fs->req_cyl == 0)
 					fs->state = do_transfer;
@@ -511,7 +529,7 @@ static void act(struct floppy_state *fs)
 				break;
 			}
 			if (fs->req_cyl == fs->cur_cyl) {
-				printk("whoops, seeking 0\n");
+				swim3_warn("%s", "Whoops, seeking 0\n");
 				fs->state = do_transfer;
 				break;
 			}
@@ -527,7 +545,9 @@ static void act(struct floppy_state *fs)
 		case do_transfer:
 			if (fs->cur_cyl != fs->req_cyl) {
 				if (fs->retries > 5) {
-					swim3_end_request_cur(-EIO);
+					swim3_err("Wrong cylinder in transfer, want: %d got %d\n",
+						  fs->req_cyl, fs->cur_cyl);
+					swim3_end_request(fs, -EIO, 0);
 					fs->state = idle;
 					return;
 				}
@@ -542,7 +562,7 @@ static void act(struct floppy_state *fs)
 			return;
 
 		default:
-			printk(KERN_ERR"swim3: unknown state %d\n", fs->state);
+			swim3_err("Unknown state %d\n", fs->state);
 			return;
 		}
 	}
@@ -552,59 +572,75 @@ static void scan_timeout(unsigned long data)
 {
 	struct floppy_state *fs = (struct floppy_state *) data;
 	struct swim3 __iomem *sw = fs->swim3;
+	unsigned long flags;
+
+	swim3_dbg("* scan timeout, state=%d\n", fs->state);
 
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->timeout_pending = 0;
 	out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
 	out_8(&sw->select, RELAX);
 	out_8(&sw->intr_enable, 0);
 	fs->cur_cyl = -1;
 	if (fs->retries > 5) {
-		swim3_end_request_cur(-EIO);
+		swim3_end_request(fs, -EIO, 0);
 		fs->state = idle;
 		start_request(fs);
 	} else {
 		fs->state = jogging;
 		act(fs);
 	}
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static void seek_timeout(unsigned long data)
 {
 	struct floppy_state *fs = (struct floppy_state *) data;
 	struct swim3 __iomem *sw = fs->swim3;
+	unsigned long flags;
+
+	swim3_dbg("* seek timeout, state=%d\n", fs->state);
 
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->timeout_pending = 0;
 	out_8(&sw->control_bic, DO_SEEK);
 	out_8(&sw->select, RELAX);
 	out_8(&sw->intr_enable, 0);
-	printk(KERN_ERR "swim3: seek timeout\n");
-	swim3_end_request_cur(-EIO);
+	swim3_err("%s", "Seek timeout\n");
+	swim3_end_request(fs, -EIO, 0);
 	fs->state = idle;
 	start_request(fs);
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static void settle_timeout(unsigned long data)
 {
 	struct floppy_state *fs = (struct floppy_state *) data;
 	struct swim3 __iomem *sw = fs->swim3;
+	unsigned long flags;
+
+	swim3_dbg("* settle timeout, state=%d\n", fs->state);
 
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->timeout_pending = 0;
 	if (swim3_readbit(fs, SEEK_COMPLETE)) {
 		out_8(&sw->select, RELAX);
 		fs->state = locating;
 		act(fs);
-		return;
+		goto unlock;
 	}
 	out_8(&sw->select, RELAX);
 	if (fs->settle_time < 2*HZ) {
 		++fs->settle_time;
 		set_timeout(fs, 1, settle_timeout);
-		return;
+		goto unlock;
 	}
-	printk(KERN_ERR "swim3: seek settle timeout\n");
-	swim3_end_request_cur(-EIO);
+	swim3_err("%s", "Seek settle timeout\n");
+	swim3_end_request(fs, -EIO, 0);
 	fs->state = idle;
 	start_request(fs);
+ unlock:
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static void xfer_timeout(unsigned long data)
@@ -612,8 +648,12 @@ static void xfer_timeout(unsigned long data)
 	struct floppy_state *fs = (struct floppy_state *) data;
 	struct swim3 __iomem *sw = fs->swim3;
 	struct dbdma_regs __iomem *dr = fs->dma;
+	unsigned long flags;
 	int n;
 
+	swim3_dbg("* xfer timeout, state=%d\n", fs->state);
+
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->timeout_pending = 0;
 	out_le32(&dr->control, RUN << 16);
 	/* We must wait a bit for dbdma to stop */
@@ -622,12 +662,13 @@ static void xfer_timeout(unsigned long data)
 	out_8(&sw->intr_enable, 0);
 	out_8(&sw->control_bic, WRITE_SECTORS | DO_ACTION);
 	out_8(&sw->select, RELAX);
-	printk(KERN_ERR "swim3: timeout %sing sector %ld\n",
-	       (rq_data_dir(fd_req)==WRITE? "writ": "read"),
-	       (long)blk_rq_pos(fd_req));
-	swim3_end_request_cur(-EIO);
+	swim3_err("Timeout %sing sector %ld\n",
+	       (rq_data_dir(fs->cur_req)==WRITE? "writ": "read"),
+	       (long)blk_rq_pos(fs->cur_req));
+	swim3_end_request(fs, -EIO, 0);
 	fs->state = idle;
 	start_request(fs);
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static irqreturn_t swim3_interrupt(int irq, void *dev_id)
@@ -638,12 +679,17 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 	int stat, resid;
 	struct dbdma_regs __iomem *dr;
 	struct dbdma_cmd *cp;
+	unsigned long flags;
+	struct request *req = fs->cur_req;
+
+	swim3_dbg("* interrupt, state=%d\n", fs->state);
 
+	spin_lock_irqsave(&swim3_lock, flags);
 	intr = in_8(&sw->intr);
 	err = (intr & ERROR_INTR)? in_8(&sw->error): 0;
 	if ((intr & ERROR_INTR) && fs->state != do_transfer)
-		printk(KERN_ERR "swim3_interrupt, state=%d, dir=%x, intr=%x, err=%x\n",
-		       fs->state, rq_data_dir(fd_req), intr, err);
+		swim3_err("Non-transfer error interrupt: state=%d, dir=%x, intr=%x, err=%x\n",
+			  fs->state, rq_data_dir(req), intr, err);
 	switch (fs->state) {
 	case locating:
 		if (intr & SEEN_SECTOR) {
@@ -653,10 +699,10 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 			del_timer(&fs->timeout);
 			fs->timeout_pending = 0;
 			if (sw->ctrack == 0xff) {
-				printk(KERN_ERR "swim3: seen sector but cyl=ff?\n");
+				swim3_err("%s", "Seen sector but cyl=ff?\n");
 				fs->cur_cyl = -1;
 				if (fs->retries > 5) {
-					swim3_end_request_cur(-EIO);
+					swim3_end_request(fs, -EIO, 0);
 					fs->state = idle;
 					start_request(fs);
 				} else {
@@ -668,8 +714,8 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 			fs->cur_cyl = sw->ctrack;
 			fs->cur_sector = sw->csect;
 			if (fs->expect_cyl != -1 && fs->expect_cyl != fs->cur_cyl)
-				printk(KERN_ERR "swim3: expected cyl %d, got %d\n",
-				       fs->expect_cyl, fs->cur_cyl);
+				swim3_err("Expected cyl %d, got %d\n",
+					  fs->expect_cyl, fs->cur_cyl);
 			fs->state = do_transfer;
 			act(fs);
 		}
@@ -704,7 +750,7 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 		fs->timeout_pending = 0;
 		dr = fs->dma;
 		cp = fs->dma_cmd;
-		if (rq_data_dir(fd_req) == WRITE)
+		if (rq_data_dir(req) == WRITE)
 			++cp;
 		/*
 		 * Check that the main data transfer has finished.
@@ -729,31 +775,32 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 		if (intr & ERROR_INTR) {
 			n = fs->scount - 1 - resid / 512;
 			if (n > 0) {
-				blk_update_request(fd_req, 0, n << 9);
+				blk_update_request(req, 0, n << 9);
 				fs->req_sector += n;
 			}
 			if (fs->retries < 5) {
 				++fs->retries;
 				act(fs);
 			} else {
-				printk("swim3: error %sing block %ld (err=%x)\n",
-				       rq_data_dir(fd_req) == WRITE? "writ": "read",
-				       (long)blk_rq_pos(fd_req), err);
-				swim3_end_request_cur(-EIO);
+				swim3_err("Error %sing block %ld (err=%x)\n",
+				       rq_data_dir(req) == WRITE? "writ": "read",
+				       (long)blk_rq_pos(req), err);
+				swim3_end_request(fs, -EIO, 0);
 				fs->state = idle;
 			}
 		} else {
 			if ((stat & ACTIVE) == 0 || resid != 0) {
 				/* musta been an error */
-				printk(KERN_ERR "swim3: fd dma: stat=%x resid=%d\n", stat, resid);
-				printk(KERN_ERR "  state=%d, dir=%x, intr=%x, err=%x\n",
-				       fs->state, rq_data_dir(fd_req), intr, err);
-				swim3_end_request_cur(-EIO);
+				swim3_err("fd dma error: stat=%x resid=%d\n", stat, resid);
+				swim3_err("  state=%d, dir=%x, intr=%x, err=%x\n",
+					  fs->state, rq_data_dir(req), intr, err);
+				swim3_end_request(fs, -EIO, 0);
 				fs->state = idle;
 				start_request(fs);
 				break;
 			}
-			if (swim3_end_request(0, fs->scount << 9)) {
+			fs->retries = 0;
+			if (swim3_end_request(fs, 0, fs->scount << 9)) {
 				fs->req_sector += fs->scount;
 				if (fs->req_sector > fs->secpertrack) {
 					fs->req_sector -= fs->secpertrack;
@@ -770,8 +817,9 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
 			start_request(fs);
 		break;
 	default:
-		printk(KERN_ERR "swim3: don't know what to do in state %d\n", fs->state);
+		swim3_err("Don't know what to do in state %d\n", fs->state);
 	}
+	spin_unlock_irqrestore(&swim3_lock, flags);
 	return IRQ_HANDLED;
 }
 
@@ -781,26 +829,31 @@ static void fd_dma_interrupt(int irq, void *dev_id)
 }
 */
 
+/* Called under the mutex to grab exclusive access to a drive */
 static int grab_drive(struct floppy_state *fs, enum swim_state state,
 		      int interruptible)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&fs->lock, flags);
-	if (fs->state != idle) {
+	swim3_dbg("%s", "-> grab drive\n");
+
+	spin_lock_irqsave(&swim3_lock, flags);
+	if (fs->state != idle && fs->state != available) {
 		++fs->wanted;
 		while (fs->state != available) {
+			spin_unlock_irqrestore(&swim3_lock, flags);
 			if (interruptible && signal_pending(current)) {
 				--fs->wanted;
-				spin_unlock_irqrestore(&fs->lock, flags);
 				return -EINTR;
 			}
 			interruptible_sleep_on(&fs->wait);
+			spin_lock_irqsave(&swim3_lock, flags);
 		}
 		--fs->wanted;
 	}
 	fs->state = state;
-	spin_unlock_irqrestore(&fs->lock, flags);
+	spin_unlock_irqrestore(&swim3_lock, flags);
+
 	return 0;
 }
 
@@ -808,10 +861,12 @@ static void release_drive(struct floppy_state *fs)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&fs->lock, flags);
+	swim3_dbg("%s", "-> release drive\n");
+
+	spin_lock_irqsave(&swim3_lock, flags);
 	fs->state = idle;
 	start_request(fs);
-	spin_unlock_irqrestore(&fs->lock, flags);
+	spin_unlock_irqrestore(&swim3_lock, flags);
 }
 
 static int fd_eject(struct floppy_state *fs)
@@ -966,6 +1021,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
 	struct floppy_state *fs = disk->private_data;
 	struct swim3 __iomem *sw = fs->swim3;
+
 	mutex_lock(&swim3_mutex);
 	if (fs->ref_count > 0 && --fs->ref_count == 0) {
 		swim3_action(fs, MOTOR_OFF);
@@ -1031,30 +1087,48 @@ static const struct block_device_operations floppy_fops = {
 	.revalidate_disk= floppy_revalidate,
 };
 
+static void swim3_mb_event(struct macio_dev* mdev, int mb_state)
+{
+	struct floppy_state *fs = macio_get_drvdata(mdev);
+	struct swim3 __iomem *sw = fs->swim3;
+
+	if (!fs)
+		return;
+	if (mb_state != MB_FD)
+		return;
+
+	/* Clear state */
+	out_8(&sw->intr_enable, 0);
+	in_8(&sw->intr);
+	in_8(&sw->error);
+}
+
 static int swim3_add_device(struct macio_dev *mdev, int index)
 {
 	struct device_node *swim = mdev->ofdev.dev.of_node;
 	struct floppy_state *fs = &floppy_states[index];
 	int rc = -EBUSY;
 
+	/* Do this first for message macros */
+	memset(fs, 0, sizeof(*fs));
+	fs->mdev = mdev;
+	fs->index = index;
+
 	/* Check & Request resources */
 	if (macio_resource_count(mdev) < 2) {
-		printk(KERN_WARNING "ifd%d: no address for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "No address in device-tree\n");
 		return -ENXIO;
 	}
-	if (macio_irq_count(mdev) < 2) {
-		printk(KERN_WARNING "fd%d: no intrs for device %s\n",
-			index, swim->full_name);
+	if (macio_irq_count(mdev) < 1) {
+		swim3_err("%s", "No interrupt in device-tree\n");
+		return -ENXIO;
 	}
 	if (macio_request_resource(mdev, 0, "swim3 (mmio)")) {
-		printk(KERN_ERR "fd%d: can't request mmio resource for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "Can't request mmio resource\n");
 		return -EBUSY;
 	}
 	if (macio_request_resource(mdev, 1, "swim3 (dma)")) {
-		printk(KERN_ERR "fd%d: can't request dma resource for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "Can't request dma resource\n");
 		macio_release_resource(mdev, 0);
 		return -EBUSY;
 	}
@@ -1063,22 +1137,18 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
 	if (mdev->media_bay == NULL)
 		pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 1);
 	
-	memset(fs, 0, sizeof(*fs));
-	spin_lock_init(&fs->lock);
 	fs->state = idle;
 	fs->swim3 = (struct swim3 __iomem *)
 		ioremap(macio_resource_start(mdev, 0), 0x200);
 	if (fs->swim3 == NULL) {
-		printk("fd%d: couldn't map registers for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "Couldn't map mmio registers\n");
 		rc = -ENOMEM;
 		goto out_release;
 	}
 	fs->dma = (struct dbdma_regs __iomem *)
 		ioremap(macio_resource_start(mdev, 1), 0x200);
 	if (fs->dma == NULL) {
-		printk("fd%d: couldn't map DMA for %s\n",
-		       index, swim->full_name);
+		swim3_err("%s", "Couldn't map dma registers\n");
 		iounmap(fs->swim3);
 		rc = -ENOMEM;
 		goto out_release;
@@ -1090,31 +1160,25 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
 	fs->secpercyl = 36;
 	fs->secpertrack = 18;
 	fs->total_secs = 2880;
-	fs->mdev = mdev;
 	init_waitqueue_head(&fs->wait);
 
 	fs->dma_cmd = (struct dbdma_cmd *) DBDMA_ALIGN(fs->dbdma_cmd_space);
 	memset(fs->dma_cmd, 0, 2 * sizeof(struct dbdma_cmd));
 	st_le16(&fs->dma_cmd[1].command, DBDMA_STOP);
 
+	if (mdev->media_bay == NULL || check_media_bay(mdev->media_bay) == MB_FD)
+		swim3_mb_event(mdev, MB_FD);
+
 	if (request_irq(fs->swim3_intr, swim3_interrupt, 0, "SWIM3", fs)) {
-		printk(KERN_ERR "fd%d: couldn't request irq %d for %s\n",
-		       index, fs->swim3_intr, swim->full_name);
+		swim3_err("%s", "Couldn't request interrupt\n");
 		pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
 		goto out_unmap;
 		return -EBUSY;
 	}
-/*
-	if (request_irq(fs->dma_intr, fd_dma_interrupt, 0, "SWIM3-dma", fs)) {
-		printk(KERN_ERR "Couldn't get irq %d for SWIM3 DMA",
-		       fs->dma_intr);
-		return -EBUSY;
-	}
-*/
 
 	init_timer(&fs->timeout);
 
-	printk(KERN_INFO "fd%d: SWIM3 floppy controller %s\n", floppy_count,
+	swim3_info("SWIM3 floppy controller %s\n",
 		mdev->media_bay ? "in media bay" : "");
 
 	return 0;
@@ -1132,41 +1196,42 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
 
 static int __devinit swim3_attach(struct macio_dev *mdev, const struct of_device_id *match)
 {
-	int i, rc;
 	struct gendisk *disk;
+	int index, rc;
+
+	index = floppy_count++;
+	if (index >= MAX_FLOPPIES)
+		return -ENXIO;
 
 	/* Add the drive */
-	rc = swim3_add_device(mdev, floppy_count);
+	rc = swim3_add_device(mdev, index);
 	if (rc)
 		return rc;
+	/* Now register that disk. Same comment about failure handling */
+	disk = disks[index] = alloc_disk(1);
+	if (disk == NULL)
+		return -ENOMEM;
+	disk->queue = blk_init_queue(do_fd_request, &swim3_lock);
+	if (disk->queue == NULL) {
+		put_disk(disk);
+		return -ENOMEM;
+	}
+	disk->queue->queuedata = &floppy_states[index];
 
-	/* Now create the queue if not there yet */
-	if (swim3_queue == NULL) {
+	if (index == 0) {
 		/* If we failed, there isn't much we can do as the driver is still
 		 * too dumb to remove the device, just bail out
 		 */
 		if (register_blkdev(FLOPPY_MAJOR, "fd"))
 			return 0;
-		swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
-		if (swim3_queue == NULL) {
-			unregister_blkdev(FLOPPY_MAJOR, "fd");
-			return 0;
-		}
 	}
 
-	/* Now register that disk. Same comment about failure handling */
-	i = floppy_count++;
-	disk = disks[i] = alloc_disk(1);
-	if (disk == NULL)
-		return 0;
-
 	disk->major = FLOPPY_MAJOR;
-	disk->first_minor = i;
+	disk->first_minor = index;
 	disk->fops = &floppy_fops;
-	disk->private_data = &floppy_states[i];
-	disk->queue = swim3_queue;
+	disk->private_data = &floppy_states[index];
 	disk->flags |= GENHD_FL_REMOVABLE;
-	sprintf(disk->disk_name, "fd%d", i);
+	sprintf(disk->disk_name, "fd%d", index);
 	set_capacity(disk, 2880);
 	add_disk(disk);
 
@@ -1194,6 +1259,9 @@ static struct macio_driver swim3_driver =
 		.of_match_table	= swim3_match,
 	},
 	.probe		= swim3_attach,
+#ifdef CONFIG_PMAC_MEDIABAY
+	.mediabay_event	= swim3_mb_event,
+#endif
 #if 0
 	.suspend	= swim3_suspend,
 	.resume		= swim3_resume,
-- 
GitLab


From b5a7e97039a80fae673ccc115ce595d5b88fb4ee Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 12 Dec 2011 10:53:02 -0500
Subject: [PATCH 1400/1594] ext4: fix ext4_end_io_dio() racing against fsync()

We need to make sure iocb->private is cleared *before* we put the
io_end structure on i_completed_io_list.  Otherwise fsync() could
potentially run on another CPU and free the iocb structure out from
under us.

Reported-by: Kent Overstreet <koverstreet@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
---
 fs/ext4/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 848f436df29f..d2c86633811f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2781,10 +2781,11 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
  		  iocb->private, io_end->inode->i_ino, iocb, offset,
 		  size);
 
+	iocb->private = NULL;
+
 	/* if not aio dio with unwritten extents, just free io and return */
 	if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
 		ext4_free_io_end(io_end);
-		iocb->private = NULL;
 out:
 		if (is_async)
 			aio_complete(iocb, ret, 0);
@@ -2807,7 +2808,6 @@ out:
 	spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 
 	/* queue the work to convert unwritten extents to written */
-	iocb->private = NULL;
 	queue_work(wq, &io_end->work);
 
 	/* XXX: probably should move into the real I/O completion handler */
-- 
GitLab


From b4611abfa98af8351bf32e8b9ecc9d3384931c37 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Mon, 12 Dec 2011 11:00:56 -0500
Subject: [PATCH 1401/1594] ext4: Fix crash due to getting bogus eh_depth value
 on big-endian systems

Commit 1939dd84b3 ("ext4: cleanup ext4_ext_grow_indepth code") added a
reference to ext4_extent_header.eh_depth, but forget to pass the value
read through le16_to_cpu.  The result is a crash on big-endian
machines, such as this crash on a POWER7 server:

attempt to access beyond end of device
sda8: rw=0, want=776392648163376, limit=168558560
Unable to handle kernel paging request for data at address 0x6b6b6b6b6b6b6bcb
Faulting instruction address: 0xc0000000001f5f38
cpu 0x14: Vector: 300 (Data Access) at [c000001bd1aaecf0]
    pc: c0000000001f5f38: .__brelse+0x18/0x60
    lr: c0000000002e07a4: .ext4_ext_drop_refs+0x44/0x80
    sp: c000001bd1aaef70
   msr: 9000000000009032
   dar: 6b6b6b6b6b6b6bcb
 dsisr: 40000000
  current = 0xc000001bd15b8010
  paca    = 0xc00000000ffe4600
    pid   = 19911, comm = flush-8:0
enter ? for help
[c000001bd1aaeff0] c0000000002e07a4 .ext4_ext_drop_refs+0x44/0x80
[c000001bd1aaf090] c0000000002e0c58 .ext4_ext_find_extent+0x408/0x4c0
[c000001bd1aaf180] c0000000002e145c .ext4_ext_insert_extent+0x2bc/0x14c0
[c000001bd1aaf2c0] c0000000002e3fb8 .ext4_ext_map_blocks+0x628/0x1710
[c000001bd1aaf420] c0000000002b2974 .ext4_map_blocks+0x224/0x310
[c000001bd1aaf4d0] c0000000002b7f2c .mpage_da_map_and_submit+0xbc/0x490
[c000001bd1aaf5a0] c0000000002b8688 .write_cache_pages_da+0x2c8/0x430
[c000001bd1aaf720] c0000000002b8b28 .ext4_da_writepages+0x338/0x670
[c000001bd1aaf8d0] c000000000157280 .do_writepages+0x40/0x90
[c000001bd1aaf940] c0000000001ea830 .writeback_single_inode+0xe0/0x530
[c000001bd1aafa00] c0000000001eb680 .writeback_sb_inodes+0x210/0x300
[c000001bd1aafb20] c0000000001ebc84 .__writeback_inodes_wb+0xd4/0x140
[c000001bd1aafbe0] c0000000001ebfec .wb_writeback+0x2fc/0x3e0
[c000001bd1aafce0] c0000000001ed770 .wb_do_writeback+0x2f0/0x300
[c000001bd1aafdf0] c0000000001ed848 .bdi_writeback_thread+0xc8/0x340
[c000001bd1aafed0] c0000000000c5494 .kthread+0xb4/0xc0
[c000001bd1aaff90] c000000000021f48 .kernel_thread+0x54/0x70

This is due to getting ext_depth(inode) == 0x101 and therefore running
off the end of the path array in ext4_ext_drop_refs into following
unallocated structures.

This fixes it by adding the necessary le16_to_cpu.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/extents.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 61fa9e1614af..61cdb97f338c 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1095,7 +1095,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
 		  le32_to_cpu(EXT_FIRST_INDEX(neh)->ei_block),
 		  ext4_idx_pblock(EXT_FIRST_INDEX(neh)));
 
-	neh->eh_depth = cpu_to_le16(neh->eh_depth + 1);
+	neh->eh_depth = cpu_to_le16(le16_to_cpu(neh->eh_depth) + 1);
 	ext4_mark_inode_dirty(handle, inode);
 out:
 	brelse(bh);
-- 
GitLab


From 0b57d7602b68f7b2786b2f0e22da39cbd4139a95 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 8 Dec 2011 08:04:12 -0500
Subject: [PATCH 1402/1594] hwmon: (jz4740) fix signedness bug

wait_for_completion_interruptible_timeout() may return negative value.
In this case, checking if (t > 0)  will return true if t is unsigned.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: stable@kernel.org (3.0+)
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
---
 drivers/hwmon/jz4740-hwmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index 7a48b1eb4233..3d7e590d57b7 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -59,7 +59,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev,
 {
 	struct jz4740_hwmon *hwmon = dev_get_drvdata(dev);
 	struct completion *completion = &hwmon->read_completion;
-	unsigned long t;
+	long t;
 	unsigned long val;
 	int ret;
 
-- 
GitLab


From d6c4f2ac1de3c1ee10796740aa5b7a1e98a05f07 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 8 Dec 2011 08:33:37 -0500
Subject: [PATCH 1403/1594] hwmon: (jz4740) Staticise jz4740_hwmon_driver

It is not used outside this driver so no need to make the symbol global.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
---
 drivers/hwmon/jz4740-hwmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index 3d7e590d57b7..5253d23361d9 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -203,7 +203,7 @@ static int __devexit jz4740_hwmon_remove(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver jz4740_hwmon_driver = {
+static struct platform_driver jz4740_hwmon_driver = {
 	.probe	= jz4740_hwmon_probe,
 	.remove = __devexit_p(jz4740_hwmon_remove),
 	.driver = {
-- 
GitLab


From f1932fc1a6d899c754676b1dd8b17de93b052d43 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 7 Dec 2011 09:10:26 -0800
Subject: [PATCH 1404/1594] crush: fix mapping calculation when force argument
 doesn't exist

If the force argument isn't valid, we should continue calculating a
mapping as if it weren't specified.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 net/ceph/crush/mapper.c | 35 +++++++++++++----------------------
 1 file changed, 13 insertions(+), 22 deletions(-)

diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 42599e31dcad..3a94eae7abe9 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -477,7 +477,6 @@ int crush_do_rule(struct crush_map *map,
 	int i, j;
 	int numrep;
 	int firstn;
-	int rc = -1;
 
 	BUG_ON(ruleno >= map->max_rules);
 
@@ -491,23 +490,18 @@ int crush_do_rule(struct crush_map *map,
 	 * that this may or may not correspond to the specific types
 	 * referenced by the crush rule.
 	 */
-	if (force >= 0) {
-		if (force >= map->max_devices ||
-		    map->device_parents[force] == 0) {
-			/*dprintk("CRUSH: forcefed device dne\n");*/
-			rc = -1;  /* force fed device dne */
-			goto out;
-		}
-		if (!is_out(map, weight, force, x)) {
-			while (1) {
-				force_context[++force_pos] = force;
-				if (force >= 0)
-					force = map->device_parents[force];
-				else
-					force = map->bucket_parents[-1-force];
-				if (force == 0)
-					break;
-			}
+	if (force >= 0 &&
+	    force < map->max_devices &&
+	    map->device_parents[force] != 0 &&
+	    !is_out(map, weight, force, x)) {
+		while (1) {
+			force_context[++force_pos] = force;
+			if (force >= 0)
+				force = map->device_parents[force];
+			else
+				force = map->bucket_parents[-1-force];
+			if (force == 0)
+				break;
 		}
 	}
 
@@ -600,10 +594,7 @@ int crush_do_rule(struct crush_map *map,
 			BUG_ON(1);
 		}
 	}
-	rc = result_len;
-
-out:
-	return rc;
+	return result_len;
 }
 
 
-- 
GitLab


From e1ad783b12ec8b69da83479c5d21a0d8180bc519 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sun, 11 Dec 2011 16:12:42 -0800
Subject: [PATCH 1405/1594] Revert "x86, efi: Calling __pa() with an
 ioremap()ed address is invalid"

This hangs my MacBook Air at boot time; I get no console
messages at all. I reverted this on top of -rc5 and my machine
boots again.

This reverts commit e8c7106280a305e1ff2a3a8a4dfce141469fb039.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Huang Ying <huang.ying.caritas@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1321621751-3650-1-git-send-email-matt@console
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/include/asm/e820.h    |  8 --------
 arch/x86/include/asm/efi.h     |  5 +++++
 arch/x86/kernel/e820.c         |  3 +--
 arch/x86/kernel/setup.c        | 21 +--------------------
 arch/x86/platform/efi/efi.c    | 29 +++++++++++------------------
 arch/x86/platform/efi/efi_64.c | 17 +++++++++++++++++
 6 files changed, 35 insertions(+), 48 deletions(-)

diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index c9547033e38e..908b96957d88 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -53,13 +53,6 @@
  */
 #define E820_RESERVED_KERN        128
 
-/*
- * Address ranges that need to be mapped by the kernel direct
- * mapping. This is used to make sure regions such as
- * EFI_RUNTIME_SERVICES_DATA are directly mapped. See setup_arch().
- */
-#define E820_RESERVED_EFI         129
-
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
 struct e820entry {
@@ -122,7 +115,6 @@ static inline void early_memtest(unsigned long start, unsigned long end)
 }
 #endif
 
-extern unsigned long e820_end_pfn(unsigned long limit_pfn, unsigned type);
 extern unsigned long e820_end_of_ram_pfn(void);
 extern unsigned long e820_end_of_low_ram_pfn(void);
 extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index b8d8bfcd44a9..7093e4a6a0bc 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -33,6 +33,8 @@ extern unsigned long asmlinkage efi_call_phys(void *, ...);
 #define efi_call_virt6(f, a1, a2, a3, a4, a5, a6)	\
 	efi_call_virt(f, a1, a2, a3, a4, a5, a6)
 
+#define efi_ioremap(addr, size, type)		ioremap_cache(addr, size)
+
 #else /* !CONFIG_X86_32 */
 
 extern u64 efi_call0(void *fp);
@@ -82,6 +84,9 @@ extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
 	efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
 		  (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
 
+extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
+				 u32 type);
+
 #endif /* CONFIG_X86_32 */
 
 extern int add_efi_memmap;
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 65ffd110a81b..303a0e48f076 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -135,7 +135,6 @@ static void __init e820_print_type(u32 type)
 		printk(KERN_CONT "(usable)");
 		break;
 	case E820_RESERVED:
-	case E820_RESERVED_EFI:
 		printk(KERN_CONT "(reserved)");
 		break;
 	case E820_ACPI:
@@ -784,7 +783,7 @@ u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
 /*
  * Find the highest page frame number we have available
  */
-unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
+static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
 {
 	int i;
 	unsigned long last_pfn = 0;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 9a9e40fb091c..cf0ef986cb6d 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -691,8 +691,6 @@ early_param("reservelow", parse_reservelow);
 
 void __init setup_arch(char **cmdline_p)
 {
-	unsigned long end_pfn;
-
 #ifdef CONFIG_X86_32
 	memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
 	visws_early_detect();
@@ -934,24 +932,7 @@ void __init setup_arch(char **cmdline_p)
 	init_gbpages();
 
 	/* max_pfn_mapped is updated here */
-	end_pfn = max_low_pfn;
-
-#ifdef CONFIG_X86_64
-	/*
-	 * There may be regions after the last E820_RAM region that we
-	 * want to include in the kernel direct mapping, such as
-	 * EFI_RUNTIME_SERVICES_DATA.
-	 */
-	if (efi_enabled) {
-		unsigned long efi_end;
-
-		efi_end = e820_end_pfn(MAXMEM>>PAGE_SHIFT, E820_RESERVED_EFI);
-		if (efi_end > max_low_pfn)
-			end_pfn = efi_end;
-	}
-#endif
-
-	max_low_pfn_mapped = init_memory_mapping(0, end_pfn << PAGE_SHIFT);
+	max_low_pfn_mapped = init_memory_mapping(0, max_low_pfn<<PAGE_SHIFT);
 	max_pfn_mapped = max_low_pfn_mapped;
 
 #ifdef CONFIG_X86_64
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index c9718a16be15..37718f0f053d 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -323,13 +323,10 @@ static void __init do_add_efi_memmap(void)
 		case EFI_UNUSABLE_MEMORY:
 			e820_type = E820_UNUSABLE;
 			break;
-		case EFI_RUNTIME_SERVICES_DATA:
-			e820_type = E820_RESERVED_EFI;
-			break;
 		default:
 			/*
 			 * EFI_RESERVED_TYPE EFI_RUNTIME_SERVICES_CODE
-			 * EFI_MEMORY_MAPPED_IO
+			 * EFI_RUNTIME_SERVICES_DATA EFI_MEMORY_MAPPED_IO
 			 * EFI_MEMORY_MAPPED_IO_PORT_SPACE EFI_PAL_CODE
 			 */
 			e820_type = E820_RESERVED;
@@ -674,21 +671,10 @@ void __init efi_enter_virtual_mode(void)
 		end_pfn = PFN_UP(end);
 		if (end_pfn <= max_low_pfn_mapped
 		    || (end_pfn > (1UL << (32 - PAGE_SHIFT))
-			&& end_pfn <= max_pfn_mapped)) {
+			&& end_pfn <= max_pfn_mapped))
 			va = __va(md->phys_addr);
-
-			if (!(md->attribute & EFI_MEMORY_WB)) {
-				addr = (u64) (unsigned long)va;
-				npages = md->num_pages;
-				memrange_efi_to_native(&addr, &npages);
-				set_memory_uc(addr, npages);
-			}
-		} else {
-			if (!(md->attribute & EFI_MEMORY_WB))
-				va = ioremap_nocache(md->phys_addr, size);
-			else
-				va = ioremap_cache(md->phys_addr, size);
-		}
+		else
+			va = efi_ioremap(md->phys_addr, size, md->type);
 
 		md->virt_addr = (u64) (unsigned long) va;
 
@@ -698,6 +684,13 @@ void __init efi_enter_virtual_mode(void)
 			continue;
 		}
 
+		if (!(md->attribute & EFI_MEMORY_WB)) {
+			addr = md->virt_addr;
+			npages = md->num_pages;
+			memrange_efi_to_native(&addr, &npages);
+			set_memory_uc(addr, npages);
+		}
+
 		systab = (u64) (unsigned long) efi_phys.systab;
 		if (md->phys_addr <= systab && systab < end) {
 			systab += md->virt_addr - md->phys_addr;
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 312250c6b2de..ac3aa54e2654 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -80,3 +80,20 @@ void __init efi_call_phys_epilog(void)
 	local_irq_restore(efi_flags);
 	early_code_mapping_set_exec(0);
 }
+
+void __iomem *__init efi_ioremap(unsigned long phys_addr, unsigned long size,
+				 u32 type)
+{
+	unsigned long last_map_pfn;
+
+	if (type == EFI_MEMORY_MAPPED_IO)
+		return ioremap(phys_addr, size);
+
+	last_map_pfn = init_memory_mapping(phys_addr, phys_addr + size);
+	if ((last_map_pfn << PAGE_SHIFT) < phys_addr + size) {
+		unsigned long top = last_map_pfn << PAGE_SHIFT;
+		efi_ioremap(top, size - (top - phys_addr), type);
+	}
+
+	return (void __iomem *)__va(phys_addr);
+}
-- 
GitLab


From 4b5d8da88e3fab76700e89488a8c65c54facb9a3 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Mon, 12 Dec 2011 16:02:15 -0200
Subject: [PATCH 1406/1594] Revert "[media] af9015: limit I2C access to keep FW
 happy"

This reverts commit ff83bd82cb343d37b5ab8e402aaad9ef33d03f1e.

As requested by Antti:
From a talk with him at #linuxtv irc, he strong feeling that some apps
like MythTV will do a lot a lot of I2C I/O and now it adds locks,
with utimatelly means more delays. This could cause bad effects.

There is a new patch for 3.3 that re-writes af9013 in order to limit
I2C I/O. and thus those patches could be nice to have together
because those user who has has problems are most likely MythTV users.

So, let's revert this commit for now.

Requested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-usb/af9015.c | 97 ------------------------------
 drivers/media/dvb/dvb-usb/af9015.h |  7 ---
 2 files changed, 104 deletions(-)

diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c
index 033aa8affd8e..c6c275bac08e 100644
--- a/drivers/media/dvb/dvb-usb/af9015.c
+++ b/drivers/media/dvb/dvb-usb/af9015.c
@@ -1093,80 +1093,9 @@ error:
 	return ret;
 }
 
-/* override demod callbacks for resource locking */
-static int af9015_af9013_set_frontend(struct dvb_frontend *fe,
-	struct dvb_frontend_parameters *params)
-{
-	int ret;
-	struct dvb_usb_adapter *adap = fe->dvb->priv;
-	struct af9015_state *priv = adap->dev->priv;
-
-	if (mutex_lock_interruptible(&adap->dev->usb_mutex))
-		return -EAGAIN;
-
-	ret = priv->set_frontend[adap->id](fe, params);
-
-	mutex_unlock(&adap->dev->usb_mutex);
-
-	return ret;
-}
-
-/* override demod callbacks for resource locking */
-static int af9015_af9013_read_status(struct dvb_frontend *fe,
-	fe_status_t *status)
-{
-	int ret;
-	struct dvb_usb_adapter *adap = fe->dvb->priv;
-	struct af9015_state *priv = adap->dev->priv;
-
-	if (mutex_lock_interruptible(&adap->dev->usb_mutex))
-		return -EAGAIN;
-
-	ret = priv->read_status[adap->id](fe, status);
-
-	mutex_unlock(&adap->dev->usb_mutex);
-
-	return ret;
-}
-
-/* override demod callbacks for resource locking */
-static int af9015_af9013_init(struct dvb_frontend *fe)
-{
-	int ret;
-	struct dvb_usb_adapter *adap = fe->dvb->priv;
-	struct af9015_state *priv = adap->dev->priv;
-
-	if (mutex_lock_interruptible(&adap->dev->usb_mutex))
-		return -EAGAIN;
-
-	ret = priv->init[adap->id](fe);
-
-	mutex_unlock(&adap->dev->usb_mutex);
-
-	return ret;
-}
-
-/* override demod callbacks for resource locking */
-static int af9015_af9013_sleep(struct dvb_frontend *fe)
-{
-	int ret;
-	struct dvb_usb_adapter *adap = fe->dvb->priv;
-	struct af9015_state *priv = adap->dev->priv;
-
-	if (mutex_lock_interruptible(&adap->dev->usb_mutex))
-		return -EAGAIN;
-
-	ret = priv->init[adap->id](fe);
-
-	mutex_unlock(&adap->dev->usb_mutex);
-
-	return ret;
-}
-
 static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
 {
 	int ret;
-	struct af9015_state *state = adap->dev->priv;
 
 	if (adap->id == 1) {
 		/* copy firmware to 2nd demodulator */
@@ -1187,32 +1116,6 @@ static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
 	adap->fe_adap[0].fe = dvb_attach(af9013_attach, &af9015_af9013_config[adap->id],
 		&adap->dev->i2c_adap);
 
-	/*
-	 * AF9015 firmware does not like if it gets interrupted by I2C adapter
-	 * request on some critical phases. During normal operation I2C adapter
-	 * is used only 2nd demodulator and tuner on dual tuner devices.
-	 * Override demodulator callbacks and use mutex for limit access to
-	 * those "critical" paths to keep AF9015 happy.
-	 * Note: we abuse unused usb_mutex here.
-	 */
-	if (adap->fe_adap[0].fe) {
-		state->set_frontend[adap->id] =
-			adap->fe_adap[0].fe->ops.set_frontend;
-		adap->fe_adap[0].fe->ops.set_frontend =
-			af9015_af9013_set_frontend;
-
-		state->read_status[adap->id] =
-			adap->fe_adap[0].fe->ops.read_status;
-		adap->fe_adap[0].fe->ops.read_status =
-			af9015_af9013_read_status;
-
-		state->init[adap->id] = adap->fe_adap[0].fe->ops.init;
-		adap->fe_adap[0].fe->ops.init = af9015_af9013_init;
-
-		state->sleep[adap->id] = adap->fe_adap[0].fe->ops.sleep;
-		adap->fe_adap[0].fe->ops.sleep = af9015_af9013_sleep;
-	}
-
 	return adap->fe_adap[0].fe == NULL ? -ENODEV : 0;
 }
 
diff --git a/drivers/media/dvb/dvb-usb/af9015.h b/drivers/media/dvb/dvb-usb/af9015.h
index 4a126177e101..6252ea6c1904 100644
--- a/drivers/media/dvb/dvb-usb/af9015.h
+++ b/drivers/media/dvb/dvb-usb/af9015.h
@@ -102,13 +102,6 @@ struct af9015_state {
 	u8 rc_repeat;
 	u32 rc_keycode;
 	u8 rc_last[4];
-
-	/* for demod callback override */
-	int (*set_frontend[2]) (struct dvb_frontend *fe,
-		struct dvb_frontend_parameters *params);
-	int (*read_status[2]) (struct dvb_frontend *fe, fe_status_t *status);
-	int (*init[2]) (struct dvb_frontend *fe);
-	int (*sleep[2]) (struct dvb_frontend *fe);
 };
 
 struct af9015_config {
-- 
GitLab


From 0c8551e5fa3833c6080542da662394817fea4616 Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jarkko.nikula@bitmer.com>
Date: Mon, 12 Dec 2011 10:38:26 +0200
Subject: [PATCH 1407/1594] ARM: OMAP: mcbsp: Fix possible memory corruption

Commits 09d28d ("ARM: OMAP: mcbsp: Start generalize omap2_mcbsp_set_clks_src")
and 7bc0c4 ("ARM: OMAP: mcbsp: Start generalize signal muxing functions")
incorrectly set two struct omap_mcbsp_platform_data fields after
omap_device_build_ss and kfree calls.

Fix this by moving these pdata assignments before those calls.

Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Reported-by: NeilBrown <neilb@suse.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/mcbsp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 292eee3be15f..28fcb27005d2 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -145,6 +145,9 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
 		pdata->reg_size = 4;
 		pdata->has_ccr = true;
 	}
+	pdata->set_clk_src = omap2_mcbsp_set_clk_src;
+	if (id == 1)
+		pdata->mux_signal = omap2_mcbsp1_mux_rx_clk;
 
 	if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
 		if (id == 2)
@@ -174,9 +177,6 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
 					name, oh->name);
 		return PTR_ERR(pdev);
 	}
-	pdata->set_clk_src = omap2_mcbsp_set_clk_src;
-	if (id == 1)
-		pdata->mux_signal = omap2_mcbsp1_mux_rx_clk;
 	omap_mcbsp_count++;
 	return 0;
 }
-- 
GitLab


From 123877b80ed62c3b897c53357b622574c023b642 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 8 Dec 2011 15:52:00 -0800
Subject: [PATCH 1408/1594] iwlwifi: do not set the sequence control bit is not
 needed

Check the IEEE80211_TX_CTL_ASSIGN_SEQ flag from mac80211, then decide how to
set the TX_CMD_FLG_SEQ_CTL_MSK bit. Setting the wrong bit in BAR frame whill
make the firmware to increment the sequence number which is incorrect and
cause unknown behavior.

CC: stable@vger.kernel.org #3.0+
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 35a6b71f358c..df1540ca6102 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -91,7 +91,10 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
 		tx_cmd->tid_tspec = qc[0] & 0xf;
 		tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
 	} else {
-		tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
+		if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
+			tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
+		else
+			tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
 	}
 
 	iwlagn_tx_cmd_protection(priv, info, fc, &tx_flags);
-- 
GitLab


From f8c141c3e915e3a040d4c1badde28e23f8cbe255 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 9 Dec 2011 09:35:39 +0300
Subject: [PATCH 1409/1594] nfc: signedness bug in __nci_request()

wait_for_completion_interruptible_timeout() returns -ERESTARTSYS if
interrupted so completion_rc needs to be signed.  The current code
probably returns -ETIMEDOUT if we hit this situation, but after this
patch is applied it will return -ERESTARTSYS.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/nfc/nci/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 4047e29acb3b..25dae3f8f5c2 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -68,7 +68,7 @@ static int __nci_request(struct nci_dev *ndev,
 	__u32 timeout)
 {
 	int rc = 0;
-	unsigned long completion_rc;
+	long completion_rc;
 
 	ndev->req_status = NCI_REQ_PEND;
 
-- 
GitLab


From 10636bc2d60942254bda149827b922c41f4cb4af Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Date: Sat, 10 Dec 2011 18:59:43 +0530
Subject: [PATCH 1410/1594] ath9k: fix max phy rate at rate control init

The stations always chooses 1Mbps for all trasmitting frames,
whenever the AP is configured to lock the supported rates.
As the max phy rate is always set with the 4th from highest phy rate,
this assumption might be wrong if we have less than that. Fix that.

Cc: stable@kernel.org
Cc: Paul Stewart <pstew@google.com>
Reported-by: Ajay Gummalla <agummalla@google.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/rc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 8448281dd069..cc5703b853bc 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1270,7 +1270,9 @@ static void ath_rc_init(struct ath_softc *sc,
 
 	ath_rc_priv->max_valid_rate = k;
 	ath_rc_sort_validrates(rate_table, ath_rc_priv);
-	ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
+	ath_rc_priv->rate_max_phy = (k > 4) ?
+					ath_rc_priv->valid_rate_index[k-4] :
+					ath_rc_priv->valid_rate_index[k-1];
 	ath_rc_priv->rate_table = rate_table;
 
 	ath_dbg(common, ATH_DBG_CONFIG,
-- 
GitLab


From 414b591fd16655871e9f5592a55368b10a3ccc30 Mon Sep 17 00:00:00 2001
From: Alex Hermann <alex@wenlex.nl>
Date: Mon, 12 Dec 2011 21:42:23 +0100
Subject: [PATCH 1411/1594] usb: option: Add Huawei E398 controlling interfaces
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This patch adds the controlling interfaces for the Huawei E398.

Thanks to Bjørn Mork <bjorn@mork.no> for extracting the interface
numbers from the windows driver.

Signed-off-by: Alex Hermann <alex@wenlex.nl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e3426602dc82..29907482261f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -664,6 +664,9 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x08) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x01) },  /* E398 3G Modem */
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x02) },  /* E398 3G PC UI Interface */
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x03) },  /* E398 3G Application Interface */
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) },
-- 
GitLab


From 6abff5dc4d5a2c90e597137ce8987e7fd439259b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= <khalasa@piap.pl>
Date: Mon, 12 Dec 2011 14:51:00 +0100
Subject: [PATCH 1412/1594] USB: cdc-acm: add IDs for Motorola H24 HSPA USB
 module.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add USB IDs for Motorola H24 HSPA USB module.

Signed-off-by: Krzysztof Hałasa <khalasa@piap.pl>
Acked-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/class/cdc-acm.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e8c564a53346..a8078d0638fa 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1458,6 +1458,16 @@ static const struct usb_device_id acm_ids[] = {
 	},
 	{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
 	},
+	/* Motorola H24 HSPA module: */
+	{ USB_DEVICE(0x22b8, 0x2d91) }, /* modem                                */
+	{ USB_DEVICE(0x22b8, 0x2d92) }, /* modem           + diagnostics        */
+	{ USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port                      */
+	{ USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics        */
+	{ USB_DEVICE(0x22b8, 0x2d96) }, /* modem                         + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d97) }, /* modem           + diagnostics + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port               + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */
+
 	{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
 	.driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on
 					   data interface instead of
-- 
GitLab


From 4af04aba93f47699e7ac33e7cfd4da22550e6114 Mon Sep 17 00:00:00 2001
From: Li Wei <lw@cn.fujitsu.com>
Date: Tue, 6 Dec 2011 21:23:45 +0000
Subject: [PATCH 1413/1594] ipv6: Fix for adding multicast route for loopback
 device automatically.

There is no obvious reason to add a default multicast route for loopback
devices, otherwise there would be a route entry whose dst.error set to
-ENETUNREACH that would blocking all multicast packets.

====================

[ more detailed explanation ]

The problem is that the resulting routing table depends on the sequence
of interface's initialization and in some situation, that would block all
muticast packets. Suppose there are two interfaces on my computer
(lo and eth0), if we initailize 'lo' before 'eth0', the resuting routing
table(for multicast) would be

# ip -6 route show | grep ff00::
unreachable ff00::/8 dev lo metric 256 error -101
ff00::/8 dev eth0 metric 256

When sending multicasting packets, routing subsystem will return the first
route entry which with a error set to -101(ENETUNREACH).

I know the kernel will set the default ipv6 address for 'lo' when it is up
and won't set the default multicast route for it, but there is no reason to
stop 'init' program from setting address for 'lo', and that is exactly what
systemd did.

I am sure there is something wrong with kernel or systemd, currently I preferred
kernel caused this problem.

====================

Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/addrconf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index cf88df82e2c2..36806def8cfd 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1805,7 +1805,8 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
 		return ERR_PTR(-EACCES);
 
 	/* Add default multicast route */
-	addrconf_add_mroute(dev);
+	if (!(dev->flags & IFF_LOOPBACK))
+		addrconf_add_mroute(dev);
 
 	/* Add link local route */
 	addrconf_add_lroute(dev);
-- 
GitLab


From 72b36015ba43a3cca5303f5534d2c3e1899eae29 Mon Sep 17 00:00:00 2001
From: Ted Feng <artisdom@gmail.com>
Date: Thu, 8 Dec 2011 00:46:21 +0000
Subject: [PATCH 1414/1594] ipip, sit: copy parms.name after register_netdevice

Same fix as 731abb9cb2 for ipip and sit tunnel.
Commit 1c5cae815d removed an explicit call to dev_alloc_name in
ipip_tunnel_locate and ipip6_tunnel_locate, because register_netdevice
will now create a valid name, however the tunnel keeps a copy of the
name in the private parms structure. Fix this by copying the name back
after register_netdevice has successfully returned.

This shows up if you do a simple tunnel add, followed by a tunnel show:

$ sudo ip tunnel add mode ipip remote 10.2.20.211
$ ip tunnel
tunl0: ip/ip  remote any  local any  ttl inherit  nopmtudisc
tunl%d: ip/ip  remote 10.2.20.211  local any  ttl inherit
$ sudo ip tunnel add mode sit remote 10.2.20.212
$ ip tunnel
sit0: ipv6/ip  remote any  local any  ttl 64  nopmtudisc 6rd-prefix 2002::/16
sit%d: ioctl 89f8 failed: No such device
sit%d: ipv6/ip  remote 10.2.20.212  local any  ttl inherit

Cc: stable@vger.kernel.org
Signed-off-by: Ted Feng <artisdom@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ipip.c | 7 ++++++-
 net/ipv6/sit.c  | 7 ++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 065effd8349a..0b2e7329abda 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -285,6 +285,8 @@ static struct ip_tunnel * ipip_tunnel_locate(struct net *net,
 	if (register_netdevice(dev) < 0)
 		goto failed_free;
 
+	strcpy(nt->parms.name, dev->name);
+
 	dev_hold(dev);
 	ipip_tunnel_link(ipn, nt);
 	return nt;
@@ -759,7 +761,6 @@ static int ipip_tunnel_init(struct net_device *dev)
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
 	tunnel->dev = dev;
-	strcpy(tunnel->parms.name, dev->name);
 
 	memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
 	memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
@@ -825,6 +826,7 @@ static void ipip_destroy_tunnels(struct ipip_net *ipn, struct list_head *head)
 static int __net_init ipip_init_net(struct net *net)
 {
 	struct ipip_net *ipn = net_generic(net, ipip_net_id);
+	struct ip_tunnel *t;
 	int err;
 
 	ipn->tunnels[0] = ipn->tunnels_wc;
@@ -848,6 +850,9 @@ static int __net_init ipip_init_net(struct net *net)
 	if ((err = register_netdev(ipn->fb_tunnel_dev)))
 		goto err_reg_dev;
 
+	t = netdev_priv(ipn->fb_tunnel_dev);
+
+	strcpy(t->parms.name, ipn->fb_tunnel_dev->name);
 	return 0;
 
 err_reg_dev:
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index a7a18602a046..96f3623618e3 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -263,6 +263,8 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
 	if (register_netdevice(dev) < 0)
 		goto failed_free;
 
+	strcpy(nt->parms.name, dev->name);
+
 	dev_hold(dev);
 
 	ipip6_tunnel_link(sitn, nt);
@@ -1144,7 +1146,6 @@ static int ipip6_tunnel_init(struct net_device *dev)
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
 	tunnel->dev = dev;
-	strcpy(tunnel->parms.name, dev->name);
 
 	memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
 	memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
@@ -1207,6 +1208,7 @@ static void __net_exit sit_destroy_tunnels(struct sit_net *sitn, struct list_hea
 static int __net_init sit_init_net(struct net *net)
 {
 	struct sit_net *sitn = net_generic(net, sit_net_id);
+	struct ip_tunnel *t;
 	int err;
 
 	sitn->tunnels[0] = sitn->tunnels_wc;
@@ -1231,6 +1233,9 @@ static int __net_init sit_init_net(struct net *net)
 	if ((err = register_netdev(sitn->fb_tunnel_dev)))
 		goto err_reg_dev;
 
+	t = netdev_priv(sitn->fb_tunnel_dev);
+
+	strcpy(t->parms.name, sitn->fb_tunnel_dev->name);
 	return 0;
 
 err_reg_dev:
-- 
GitLab


From 3f1e6d3fd37bd4f25e5b19f1c7ca21850426c33f Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 11 Dec 2011 23:42:53 +0000
Subject: [PATCH 1415/1594] sch_gred: should not use GFP_KERNEL while holding a
 spinlock

gred_change_vq() is called under sch_tree_lock(sch).

This means a spinlock is held, and we are not allowed to sleep in this
context.

We might pre-allocate memory using GFP_KERNEL before taking spinlock,
but this is not suitable for stable material.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/sch_gred.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index b9493a09a870..6cd8ddfb512d 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -385,7 +385,7 @@ static inline int gred_change_vq(struct Qdisc *sch, int dp,
 	struct gred_sched_data *q;
 
 	if (table->tab[dp] == NULL) {
-		table->tab[dp] = kzalloc(sizeof(*q), GFP_KERNEL);
+		table->tab[dp] = kzalloc(sizeof(*q), GFP_ATOMIC);
 		if (table->tab[dp] == NULL)
 			return -ENOMEM;
 	}
-- 
GitLab


From fc6cb1cda5db7b2d24bf32890826214b857c728e Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 12 Dec 2011 22:06:18 -0500
Subject: [PATCH 1416/1594] ext4: display the correct mount option in
 /proc/mounts for [no]init_itable

/proc/mounts was showing the mount option [no]init_inode_table when
the correct mount option that will be accepted by parse_options() is
[no]init_itable.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
---
 fs/ext4/super.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3858767ec672..3e1329e2f826 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1155,9 +1155,9 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
 		seq_puts(seq, ",block_validity");
 
 	if (!test_opt(sb, INIT_INODE_TABLE))
-		seq_puts(seq, ",noinit_inode_table");
+		seq_puts(seq, ",noinit_itable");
 	else if (sbi->s_li_wait_mult != EXT4_DEF_LI_WAIT_MULT)
-		seq_printf(seq, ",init_inode_table=%u",
+		seq_printf(seq, ",init_itable=%u",
 			   (unsigned) sbi->s_li_wait_mult);
 
 	ext4_show_quota_options(seq, sb);
@@ -1333,8 +1333,7 @@ enum {
 	Opt_nomblk_io_submit, Opt_block_validity, Opt_noblock_validity,
 	Opt_inode_readahead_blks, Opt_journal_ioprio,
 	Opt_dioread_nolock, Opt_dioread_lock,
-	Opt_discard, Opt_nodiscard,
-	Opt_init_inode_table, Opt_noinit_inode_table,
+	Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
 };
 
 static const match_table_t tokens = {
@@ -1407,9 +1406,9 @@ static const match_table_t tokens = {
 	{Opt_dioread_lock, "dioread_lock"},
 	{Opt_discard, "discard"},
 	{Opt_nodiscard, "nodiscard"},
-	{Opt_init_inode_table, "init_itable=%u"},
-	{Opt_init_inode_table, "init_itable"},
-	{Opt_noinit_inode_table, "noinit_itable"},
+	{Opt_init_itable, "init_itable=%u"},
+	{Opt_init_itable, "init_itable"},
+	{Opt_noinit_itable, "noinit_itable"},
 	{Opt_err, NULL},
 };
 
@@ -1892,7 +1891,7 @@ set_qf_format:
 		case Opt_dioread_lock:
 			clear_opt(sb, DIOREAD_NOLOCK);
 			break;
-		case Opt_init_inode_table:
+		case Opt_init_itable:
 			set_opt(sb, INIT_INODE_TABLE);
 			if (args[0].from) {
 				if (match_int(&args[0], &option))
@@ -1903,7 +1902,7 @@ set_qf_format:
 				return 0;
 			sbi->s_li_wait_mult = option;
 			break;
-		case Opt_noinit_inode_table:
+		case Opt_noinit_itable:
 			clear_opt(sb, INIT_INODE_TABLE);
 			break;
 		default:
-- 
GitLab


From 13c07b0286d340275f2d97adf085cecda37ede37 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 12 Dec 2011 22:06:55 -0800
Subject: [PATCH 1417/1594] linux/log2.h: Fix rounddown_pow_of_two(1)

Exactly like roundup_pow_of_two(1), the rounddown version was buggy for
the case of a compile-time constant '1' argument.  Probably because it
originated from the same code, sharing history with the roundup version
from before the bugfix (for that one, see commit 1a06a52ee1b0: "Fix
roundup_pow_of_two(1)").

However, unlike the roundup version, the fix for rounddown is to just
remove the broken special case entirely.  It's simply not needed - the
generic code

    1UL << ilog2(n)

does the right thing for the constant '1' argment too.  The only reason
roundup needed that special case was because rounding up does so by
subtracting one from the argument (and then adding one to the result)
causing the obvious problems with "ilog2(0)".

But rounddown doesn't do any of that, since ilog2() naturally truncates
(ie "rounds down") to the right rounded down value.  And without the
ilog2(0) case, there's no reason for the special case that had the wrong
value.

tl;dr: rounddown_pow_of_two(1) should be 1, not 0.

Acked-by: Dmitry Torokhov <dtor@vmware.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/log2.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/log2.h b/include/linux/log2.h
index 25b808631cd9..fd7ff3d91e6a 100644
--- a/include/linux/log2.h
+++ b/include/linux/log2.h
@@ -185,7 +185,6 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
 #define rounddown_pow_of_two(n)			\
 (						\
 	__builtin_constant_p(n) ? (		\
-		(n == 1) ? 0 :			\
 		(1UL << ilog2(n))) :		\
 	__rounddown_pow_of_two(n)		\
  )
-- 
GitLab


From 48706d0a91583d08c56e7ef2a7602d99c8d4133f Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 13 Dec 2011 10:36:59 +0100
Subject: [PATCH 1418/1594] fuse: fix fuse_retrieve

Fix two bugs in fuse_retrieve():

 - retrieving more than one page would yield repeated instances of the
   first page

 - if more than FUSE_MAX_PAGES_PER_REQ pages were requested than the
   request page array would overflow

fuse_retrieve() was added in 2.6.36 and these bugs had been there since the
beginning.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: stable@vger.kernel.org
---
 fs/fuse/dev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 5cb8614508c3..2aaf3eaaf13d 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1512,7 +1512,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
 	else if (outarg->offset + num > file_size)
 		num = file_size - outarg->offset;
 
-	while (num) {
+	while (num && req->num_pages < FUSE_MAX_PAGES_PER_REQ) {
 		struct page *page;
 		unsigned int this_num;
 
@@ -1526,6 +1526,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
 
 		num -= this_num;
 		total_len += this_num;
+		index++;
 	}
 	req->misc.retrieve_in.offset = outarg->offset;
 	req->misc.retrieve_in.size = total_len;
-- 
GitLab


From b48c6af2086ab2ba8a9c9b6ce9ecb34592ce500c Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Tue, 13 Dec 2011 10:37:00 +0100
Subject: [PATCH 1419/1594] fuse: fix llseek bug

The test in fuse_file_llseek() "not SEEK_CUR or not SEEK_SET" always evaluates
to true.

This was introduced in 3.1 by commit 06222e49 (fs: handle SEEK_HOLE/SEEK_DATA
properly in all fs's that define their own llseek) and changed the behavior of
SEEK_CUR and SEEK_SET to always retrieve the file attributes.  This is a
performance regression.

Fix the test so that it makes sense.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: stable@vger.kernel.org
CC: Josef Bacik <josef@redhat.com>
CC: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/fuse/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 594f07a81c28..19029e97ca2f 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1556,7 +1556,7 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin)
 	struct inode *inode = file->f_path.dentry->d_inode;
 
 	mutex_lock(&inode->i_mutex);
-	if (origin != SEEK_CUR || origin != SEEK_SET) {
+	if (origin != SEEK_CUR && origin != SEEK_SET) {
 		retval = fuse_update_attributes(inode, NULL, file, NULL);
 		if (retval)
 			goto exit;
-- 
GitLab


From 73104b6e37f75f822e3dcf016147c322d1f6dad9 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 13 Dec 2011 11:40:59 +0100
Subject: [PATCH 1420/1594] fuse: llseek fix race

Fix race between lseek(fd, 0, SEEK_CUR) and read/write.  This was fixed in
generic code by commit 5b6f1eb97d (vfs: lseek(fd, 0, SEEK_CUR) race condition).

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/file.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 19029e97ca2f..0c84100acd44 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1567,6 +1567,10 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin)
 		offset += i_size_read(inode);
 		break;
 	case SEEK_CUR:
+		if (offset == 0) {
+			retval = file->f_pos;
+			goto exit;
+		}
 		offset += file->f_pos;
 		break;
 	case SEEK_DATA:
-- 
GitLab


From e2ef36c688d5844a986424c3194bd33212c968ce Mon Sep 17 00:00:00 2001
From: Gustavo Maciel Dias Vieira <gustavo@sagui.org>
Date: Tue, 13 Dec 2011 11:47:22 -0200
Subject: [PATCH 1421/1594] ALSA: hda: fix mute led polarity for HP laptops
 with buggy BIOS

Some HP laptop models do not have a properly filled OEM string used
to set the gpio and polarity of the mute led. Make the mute led
configuration work for this case.

Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@sagui.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index eeb25d529e30..616678fde486 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4929,6 +4929,12 @@ static int find_mute_led_gpio(struct hda_codec *codec, int default_polarity)
 				set_hp_led_gpio(codec);
 				return 1;
 			}
+			/* BIOS bug: unfilled OEM string */
+			if (strstr(dev->name, "HP_Mute_LED_P_G")) {
+				set_hp_led_gpio(codec);
+				spec->gpio_led_polarity = 1;
+				return 1;
+			}
 		}
 
 		/*
-- 
GitLab


From 935a9fee51c945b8942be2d7b4bae069167b4886 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai.lu@oracle.com>
Date: Mon, 12 Dec 2011 12:39:14 -0800
Subject: [PATCH 1422/1594] ibft: Fix finding IBFT ACPI table on UEFI

Found one system with UEFI/iBFT, kernel does not detect the iBFT during
iscsi_ibft module loading.

Root cause: on x86 (UEFI), we are calling of find_ibft_region() much earlier
- specifically in setup_arch() before ACPI is enabled.

Try to split acpi checking code out and call that later

At that time ACPI iBFT already get permanent mapped with ioremap.
So isa_virt_to_bus() will get wrong phys from right virt address.
We could just skip that phys address printing.

For legacy one, print the found address early.

-v2: update comments and description according to Konrad.
-v3: fix problem about module use case that is found by Konrad.
-v4: use acpi_get_table() instead of acpi_table_parse() to handle module use case that is found by Konrad again..
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
---
 drivers/firmware/iscsi_ibft.c      | 42 ++++++++++++++++++++++++++++--
 drivers/firmware/iscsi_ibft_find.c | 26 ++----------------
 2 files changed, 42 insertions(+), 26 deletions(-)

diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index c811cb107904..2cce44a1d7d0 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -746,6 +746,37 @@ static void __exit ibft_exit(void)
 	ibft_cleanup();
 }
 
+#ifdef CONFIG_ACPI
+static const struct {
+	char *sign;
+} ibft_signs[] = {
+	/*
+	 * One spec says "IBFT", the other says "iBFT". We have to check
+	 * for both.
+	 */
+	{ ACPI_SIG_IBFT },
+	{ "iBFT" },
+};
+
+static void __init acpi_find_ibft_region(void)
+{
+	int i;
+	struct acpi_table_header *table = NULL;
+
+	if (acpi_disabled)
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++) {
+		acpi_get_table(ibft_signs[i].sign, 0, &table);
+		ibft_addr = (struct acpi_table_ibft *)table;
+	}
+}
+#else
+static void __init acpi_find_ibft_region(void)
+{
+}
+#endif
+
 /*
  * ibft_init() - creates sysfs tree entries for the iBFT data.
  */
@@ -753,9 +784,16 @@ static int __init ibft_init(void)
 {
 	int rc = 0;
 
+	/*
+	   As on UEFI systems the setup_arch()/find_ibft_region()
+	   is called before ACPI tables are parsed and it only does
+	   legacy finding.
+	*/
+	if (!ibft_addr)
+		acpi_find_ibft_region();
+
 	if (ibft_addr) {
-		printk(KERN_INFO "iBFT detected at 0x%llx.\n",
-		       (u64)isa_virt_to_bus(ibft_addr));
+		pr_info("iBFT detected.\n");
 
 		rc = ibft_check_device();
 		if (rc)
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index bfe723266fd8..4da4eb9ae926 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -45,13 +45,6 @@ EXPORT_SYMBOL_GPL(ibft_addr);
 static const struct {
 	char *sign;
 } ibft_signs[] = {
-#ifdef CONFIG_ACPI
-	/*
-	 * One spec says "IBFT", the other says "iBFT". We have to check
-	 * for both.
-	 */
-	{ ACPI_SIG_IBFT },
-#endif
 	{ "iBFT" },
 	{ "BIFT" },	/* Broadcom iSCSI Offload */
 };
@@ -62,14 +55,6 @@ static const struct {
 #define VGA_MEM 0xA0000 /* VGA buffer */
 #define VGA_SIZE 0x20000 /* 128kB */
 
-#ifdef CONFIG_ACPI
-static int __init acpi_find_ibft(struct acpi_table_header *header)
-{
-	ibft_addr = (struct acpi_table_ibft *)header;
-	return 0;
-}
-#endif /* CONFIG_ACPI */
-
 static int __init find_ibft_in_mem(void)
 {
 	unsigned long pos;
@@ -94,6 +79,7 @@ static int __init find_ibft_in_mem(void)
 				 * the table cannot be valid. */
 				if (pos + len <= (IBFT_END-1)) {
 					ibft_addr = (struct acpi_table_ibft *)virt;
+					pr_info("iBFT found at 0x%lx.\n", pos);
 					goto done;
 				}
 			}
@@ -108,20 +94,12 @@ done:
  */
 unsigned long __init find_ibft_region(unsigned long *sizep)
 {
-#ifdef CONFIG_ACPI
-	int i;
-#endif
 	ibft_addr = NULL;
 
-#ifdef CONFIG_ACPI
-	for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++)
-		acpi_table_parse(ibft_signs[i].sign, acpi_find_ibft);
-#endif /* CONFIG_ACPI */
-
 	/* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
 	 * only use ACPI for this */
 
-	if (!ibft_addr && !efi_enabled)
+	if (!efi_enabled)
 		find_ibft_in_mem();
 
 	if (ibft_addr) {
-- 
GitLab


From 6a82c47aa84ab22cb5969a44105cca5358879d21 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 13 Dec 2011 09:19:26 -0800
Subject: [PATCH 1423/1594] ceph: fix SEEK_CUR, SEEK_SET regression

Commit 06222e491e663dac939f04b125c9dc52126a75c4 got the if wrong so that
it always evaluates as true.  This is semantically harmless, but makes
SEEK_CUR and SEEK_SET needlessly query the server.

Rewrite the if to explicitly enumerate the cases we DO need a valid i_size
to make this code less fragile.

Reported-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index af187330cc89..ed72428d9c75 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -797,7 +797,8 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int origin)
 
 	mutex_lock(&inode->i_mutex);
 	__ceph_do_pending_vmtruncate(inode);
-	if (origin != SEEK_CUR || origin != SEEK_SET) {
+
+	if (origin == SEEK_END || origin == SEEK_DATA || origin == SEEK_HOLE) {
 		ret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE);
 		if (ret < 0) {
 			offset = ret;
-- 
GitLab


From 5cc361e3b8241989d8240014dbbe6214c9292541 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 12 Dec 2011 23:58:21 -0500
Subject: [PATCH 1424/1594] ubifs: too early register_filesystem()

doing that before you are ready to handle mount() is a Bad Idea(tm)...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ubifs/super.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 20403dc5d437..ae0e76bb6ebf 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2264,19 +2264,12 @@ static int __init ubifs_init(void)
 		return -EINVAL;
 	}
 
-	err = register_filesystem(&ubifs_fs_type);
-	if (err) {
-		ubifs_err("cannot register file system, error %d", err);
-		return err;
-	}
-
-	err = -ENOMEM;
 	ubifs_inode_slab = kmem_cache_create("ubifs_inode_slab",
 				sizeof(struct ubifs_inode), 0,
 				SLAB_MEM_SPREAD | SLAB_RECLAIM_ACCOUNT,
 				&inode_slab_ctor);
 	if (!ubifs_inode_slab)
-		goto out_reg;
+		return -ENOMEM;
 
 	register_shrinker(&ubifs_shrinker_info);
 
@@ -2288,15 +2281,20 @@ static int __init ubifs_init(void)
 	if (err)
 		goto out_compr;
 
+	err = register_filesystem(&ubifs_fs_type);
+	if (err) {
+		ubifs_err("cannot register file system, error %d", err);
+		goto out_dbg;
+	}
 	return 0;
 
+out_dbg:
+	dbg_debugfs_exit();
 out_compr:
 	ubifs_compressors_exit();
 out_shrinker:
 	unregister_shrinker(&ubifs_shrinker_info);
 	kmem_cache_destroy(ubifs_inode_slab);
-out_reg:
-	unregister_filesystem(&ubifs_fs_type);
 	return err;
 }
 /* late_initcall to let compressors initialize first */
-- 
GitLab


From 988f032567eaba3c5896c5de05270b9ff71b2a9d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 13 Dec 2011 12:25:27 -0500
Subject: [PATCH 1425/1594] fuse: register_filesystem() called too early

same story as with ubifs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/fuse/inode.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 3e6d72756479..aa83109b9431 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1138,28 +1138,28 @@ static int __init fuse_fs_init(void)
 {
 	int err;
 
-	err = register_filesystem(&fuse_fs_type);
-	if (err)
-		goto out;
-
-	err = register_fuseblk();
-	if (err)
-		goto out_unreg;
-
 	fuse_inode_cachep = kmem_cache_create("fuse_inode",
 					      sizeof(struct fuse_inode),
 					      0, SLAB_HWCACHE_ALIGN,
 					      fuse_inode_init_once);
 	err = -ENOMEM;
 	if (!fuse_inode_cachep)
-		goto out_unreg2;
+		goto out;
+
+	err = register_fuseblk();
+	if (err)
+		goto out2;
+
+	err = register_filesystem(&fuse_fs_type);
+	if (err)
+		goto out3;
 
 	return 0;
 
- out_unreg2:
+ out3:
 	unregister_fuseblk();
- out_unreg:
-	unregister_filesystem(&fuse_fs_type);
+ out2:
+	kmem_cache_destroy(fuse_inode_cachep);
  out:
 	return err;
 }
-- 
GitLab


From 7c6455e368bc87ef38df7b6ddba2339a67107bdf Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 13 Dec 2011 12:32:42 -0500
Subject: [PATCH 1426/1594] configfs: register_filesystem() called too early

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/configfs/inode.c |  2 +-
 fs/configfs/mount.c | 36 +++++++++++++++++-------------------
 2 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index ca418aaf6352..9d8715c45f25 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -292,7 +292,7 @@ int __init configfs_inode_init(void)
 	return bdi_init(&configfs_backing_dev_info);
 }
 
-void __exit configfs_inode_exit(void)
+void configfs_inode_exit(void)
 {
 	bdi_destroy(&configfs_backing_dev_info);
 }
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index ecc62178beda..276e15cafd58 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -143,28 +143,26 @@ static int __init configfs_init(void)
 		goto out;
 
 	config_kobj = kobject_create_and_add("config", kernel_kobj);
-	if (!config_kobj) {
-		kmem_cache_destroy(configfs_dir_cachep);
-		configfs_dir_cachep = NULL;
-		goto out;
-	}
+	if (!config_kobj)
+		goto out2;
+
+	err = configfs_inode_init();
+	if (err)
+		goto out3;
 
 	err = register_filesystem(&configfs_fs_type);
-	if (err) {
-		printk(KERN_ERR "configfs: Unable to register filesystem!\n");
-		kobject_put(config_kobj);
-		kmem_cache_destroy(configfs_dir_cachep);
-		configfs_dir_cachep = NULL;
-		goto out;
-	}
+	if (err)
+		goto out4;
 
-	err = configfs_inode_init();
-	if (err) {
-		unregister_filesystem(&configfs_fs_type);
-		kobject_put(config_kobj);
-		kmem_cache_destroy(configfs_dir_cachep);
-		configfs_dir_cachep = NULL;
-	}
+	return 0;
+out4:
+	printk(KERN_ERR "configfs: Unable to register filesystem!\n");
+	configfs_inode_exit();
+out3:
+	kobject_put(config_kobj);
+out2:
+	kmem_cache_destroy(configfs_dir_cachep);
+	configfs_dir_cachep = NULL;
 out:
 	return err;
 }
-- 
GitLab


From 02a551c9755b799579e0a093bcc99b80b4dc1453 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Mork?= <bjorn@mork.no>
Date: Tue, 13 Dec 2011 05:33:02 +0100
Subject: [PATCH 1427/1594] USB: option: Removing one bogus and adding some new
 Huawei combinations
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Huawei use the product code HUAWEI_PRODUCT_E353 (0x1506) for a
number of different devices, which each can appear with a number
of different descriptor sets.  Different types of interfaces
can be identified by looking at the subclass and protocol fields

Subclass 1 protocol 8 is actually the data interface of a CDC
ECM set, with subclass 1 protocol 9 as the control interface.
Neither support serial data communcation, and cannot therefore
be supported by this driver.

At the same time, add a few other sets which appear if the
device is configured in "Windows mode" using this modeswitch
message:
55534243000000000000000000000011060000000100000000000000000000

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 29907482261f..6dd64534fad0 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -663,7 +663,9 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x08) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x10) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x12) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x13) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x01) },  /* E398 3G Modem */
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x02) },  /* E398 3G PC UI Interface */
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x03) },  /* E398 3G Application Interface */
-- 
GitLab


From b2888095feb3c651cba5904b0227622e82777b34 Mon Sep 17 00:00:00 2001
From: Rob Herring <rob.herring@calxeda.com>
Date: Fri, 9 Dec 2011 16:56:08 -0600
Subject: [PATCH 1428/1594] gpio: pl061: drop extra check for NULL
 platform_data

In adding DT binding support, the check for NULL platform_data got added
back in inadvertently, so remove it.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/gpio/gpio-pl061.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 093c90bd3c1d..4102f63230fd 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -238,10 +238,6 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
 	int ret, irq, i;
 	static DECLARE_BITMAP(init_irq, NR_IRQS);
 
-	pdata = dev->dev.platform_data;
-	if (pdata == NULL)
-		return -ENODEV;
-
 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 	if (chip == NULL)
 		return -ENOMEM;
-- 
GitLab


From f9ea14efa5277c47efec341dee2c408b6b80f854 Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Tue, 13 Dec 2011 23:53:49 +0800
Subject: [PATCH 1429/1594] gpio-ml-ioh: fix a bug in the interrupt handler

GPIO's irq action's dev_id is set to the first struct ioh_gpio chip,
so when loop checking the 8 chips, the "chip" should be changed
according.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/gpio/gpio-ml-ioh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index ea8e73869250..92b6f51a206e 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -339,7 +339,7 @@ static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
 	int i, j;
 	int ret = IRQ_NONE;
 
-	for (i = 0; i < 8; i++) {
+	for (i = 0; i < 8; i++, chip++) {
 		reg_val = ioread32(&chip->reg->regs[i].istatus);
 		for (j = 0; j < num_ports[i]; j++) {
 			if (reg_val & BIT(j)) {
-- 
GitLab


From 4d052213ff8f71a4a70fc4eed71b773cfde51fcf Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Tue, 13 Dec 2011 23:53:50 +0800
Subject: [PATCH 1430/1594] gpio-ml-ioh: Add the irq_disable/irq_enable hooks
 for ml-ioh irq chip

These hooks will be needed by the general disabl/enable_irq();

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/gpio/gpio-ml-ioh.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index 92b6f51a206e..461958fc2264 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -332,6 +332,34 @@ static void ioh_irq_mask(struct irq_data *d)
 		  &chip->reg->regs[chip->ch].imask);
 }
 
+static void ioh_irq_disable(struct irq_data *d)
+{
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	struct ioh_gpio *chip = gc->private;
+	unsigned long flags;
+	u32 ien;
+
+	spin_lock_irqsave(&chip->spinlock, flags);
+	ien = ioread32(&chip->reg->regs[chip->ch].ien);
+	ien &= ~(1 << (d->irq - chip->irq_base));
+	iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+	spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+
+static void ioh_irq_enable(struct irq_data *d)
+{
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	struct ioh_gpio *chip = gc->private;
+	unsigned long flags;
+	u32 ien;
+
+	spin_lock_irqsave(&chip->spinlock, flags);
+	ien = ioread32(&chip->reg->regs[chip->ch].ien);
+	ien |= 1 << (d->irq - chip->irq_base);
+	iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+	spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+
 static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
 {
 	struct ioh_gpio *chip = dev_id;
@@ -370,6 +398,8 @@ static __devinit void ioh_gpio_alloc_generic_chip(struct ioh_gpio *chip,
 	ct->chip.irq_mask = ioh_irq_mask;
 	ct->chip.irq_unmask = ioh_irq_unmask;
 	ct->chip.irq_set_type = ioh_irq_type;
+	ct->chip.irq_disable = ioh_irq_disable;
+	ct->chip.irq_enable = ioh_irq_enable;
 
 	irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
 			       IRQ_NOREQUEST | IRQ_NOPROBE, 0);
-- 
GitLab


From 28538df0389a59ede9ccd6f327d2031f0044db87 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Tue, 13 Dec 2011 10:12:48 +0100
Subject: [PATCH 1431/1594] gpio: mpc8xxx: don't allow input-only pins to be
 output for MPC5121

Add a 5121-custom reject if an input-only pin is requested to be output
(see 18.3.1.1 in the refman). Also, rewrite mach-specific quirk setup to
consume less lines which scales better.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
[grant.likely: Fixed build error]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/gpio/gpio-mpc8xxx.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index ec3fcf0a7e12..5cd04b65c556 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -132,6 +132,15 @@ static int mpc8xxx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val
 	return 0;
 }
 
+static int mpc5121_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+	/* GPIO 28..31 are input only on MPC5121 */
+	if (gpio >= 28)
+		return -EINVAL;
+
+	return mpc8xxx_gpio_dir_out(gc, gpio, val);
+}
+
 static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
 {
 	struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
@@ -340,11 +349,10 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
 	mm_gc->save_regs = mpc8xxx_gpio_save_regs;
 	gc->ngpio = MPC8XXX_GPIO_PINS;
 	gc->direction_input = mpc8xxx_gpio_dir_in;
-	gc->direction_output = mpc8xxx_gpio_dir_out;
-	if (of_device_is_compatible(np, "fsl,mpc8572-gpio"))
-		gc->get = mpc8572_gpio_get;
-	else
-		gc->get = mpc8xxx_gpio_get;
+	gc->direction_output = of_device_is_compatible(np, "fsl,mpc5121-gpio") ?
+		mpc5121_gpio_dir_out : mpc8xxx_gpio_dir_out;
+	gc->get = of_device_is_compatible(np, "fsl,mpc8572-gpio") ?
+		mpc8572_gpio_get : mpc8xxx_gpio_get;
 	gc->set = mpc8xxx_gpio_set;
 	gc->to_irq = mpc8xxx_gpio_to_irq;
 
-- 
GitLab


From 619a5182d1f38a3d629ee48e04fa182ef9170052 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Tue, 13 Dec 2011 00:02:28 +0100
Subject: [PATCH 1432/1594] PCI hotplug: Always allow acpiphp to handle
 non-PCIe bridges

Commit 0d52f54e2ef64c189dedc332e680b2eb4a34590a (PCI / ACPI: Make
acpiphp ignore root bridges using PCIe native hotplug) added code
that made the acpiphp driver completely ignore PCIe root complexes
for which the kernel had been granted control of the native PCIe
hotplug feature by the BIOS through _OSC.  Unfortunately, however,
this was a mistake, because on some systems there were PCI bridges
supporting PCI (non-PCIe) hotplug under such root complexes and
those bridges should have been handled by acpiphp.

For this reason, revert the changes made by the commit mentioned
above and make register_slot() in drivers/pci/hotplug/acpiphp_glue.c
avoid registering hotplug slots for PCIe ports that belong to
root complexes with native PCIe hotplug enabled (which means that
the BIOS has granted the kernel control of this feature for the
given root complex).  This is reported to address the original
issue fixed by commit 0d52f54e2ef64c189dedc332e680b2eb4a34590a and
to work on the system where that commit broke things.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/acpiphp_glue.c | 29 ++++++++++++-----------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index fce1c54a0c8d..68360d5b494a 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -132,6 +132,18 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
 	if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
 		return AE_OK;
 
+	pdev = pbus->self;
+	if (pdev && pci_is_pcie(pdev)) {
+		tmp = acpi_find_root_bridge_handle(pdev);
+		if (tmp) {
+			struct acpi_pci_root *root = acpi_pci_find_root(tmp);
+
+			if (root && (root->osc_control_set &
+					OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
+				return AE_OK;
+		}
+	}
+
 	acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
 	device = (adr >> 16) & 0xffff;
 	function = adr & 0xffff;
@@ -459,17 +471,8 @@ static int add_bridge(acpi_handle handle)
 {
 	acpi_status status;
 	unsigned long long tmp;
-	struct acpi_pci_root *root;
 	acpi_handle dummy_handle;
 
-	/*
-	 * We shouldn't use this bridge if PCIe native hotplug control has been
-	 * granted by the BIOS for it.
-	 */
-	root = acpi_pci_find_root(handle);
-	if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
-		return -ENODEV;
-
 	/* if the bridge doesn't have _STA, we assume it is always there */
 	status = acpi_get_handle(handle, "_STA", &dummy_handle);
 	if (ACPI_SUCCESS(status)) {
@@ -1385,19 +1388,11 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type,
 static acpi_status
 find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-	struct acpi_pci_root *root;
 	int *count = (int *)context;
 
 	if (!acpi_is_root_bridge(handle))
 		return AE_OK;
 
-	root = acpi_pci_find_root(handle);
-	if (!root)
-		return AE_OK;
-
-	if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
-		return AE_OK;
-
 	(*count)++;
 	acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
 				    handle_hotplug_event_bridge, NULL);
-- 
GitLab


From 9d5a09e659f8414dd3713e2acbfaf8a9e9794aa1 Mon Sep 17 00:00:00 2001
From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Tue, 13 Dec 2011 09:57:44 -0800
Subject: [PATCH 1433/1594] ceph: add missing spin_unlock at
 ceph_mdsc_build_path()

one of the paths was missing spin_unlock

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
---
 fs/ceph/mds_client.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 34bc35084ae3..6203d805eb45 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1495,6 +1495,7 @@ retry:
 			     pos, temp);
 		} else if (stop_on_nosnap && inode &&
 			   ceph_snap(inode) == CEPH_NOSNAP) {
+			spin_unlock(&temp->d_lock);
 			break;
 		} else {
 			pos -= temp->d_name.len;
-- 
GitLab


From 93b2ec0128c431148b216b8f7337c1a52131ef03 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Fri, 9 Dec 2011 09:39:15 +1100
Subject: [PATCH 1434/1594] rtc: Expire alarms after the time is set.

If the alarm time programming in the rtc is ever in the past, it won't fire,
and any other alarm will be queued after it so they won't fire either.

So any time that the alarm might be in the past, we need to trigger
the irq handler to ensure the old alarm is cleared and the timer queue
is fully in the future.

This can happen:
 - when we first initialise the alarm
 - when we set the time in the rtc.

so follow both of these by scheduling the timer work function.

CC: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
[Also catch set_mmss case -jstultz]
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 drivers/rtc/interface.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index fa4d9f324189..3bcc7cfcaba7 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -73,6 +73,8 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
 		err = -EINVAL;
 
 	mutex_unlock(&rtc->ops_lock);
+	/* A timer might have just expired */
+	schedule_work(&rtc->irqwork);
 	return err;
 }
 EXPORT_SYMBOL_GPL(rtc_set_time);
@@ -112,6 +114,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
 		err = -EINVAL;
 
 	mutex_unlock(&rtc->ops_lock);
+	/* A timer might have just expired */
+	schedule_work(&rtc->irqwork);
 
 	return err;
 }
@@ -403,6 +407,8 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 		timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
 	}
 	mutex_unlock(&rtc->ops_lock);
+	/* maybe that was in the past.*/
+	schedule_work(&rtc->irqwork);
 	return err;
 }
 EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
-- 
GitLab


From c3b79770e51ab1fd4201f3b54edf30113b9ce74f Mon Sep 17 00:00:00 2001
From: John Stultz <john.stultz@linaro.org>
Date: Mon, 12 Dec 2011 13:57:52 -0800
Subject: [PATCH 1435/1594] rtc: m41t80: Workaround broken alarm functionality

The m41t80 driver can read and set the alarm, but it doesn't
seem to have a functional alarm irq.

This causes failures when the generic core sees alarm functions,
but then cannot use them properly for things like UIE mode.

Disabling the alarm functions allows proper error reporting,
and possible fallback to emulated modes. Once someone fixes
the alarm irq functionality, this can be restored.

CC: stable@kernel.org
CC: Matt Turner <mattst88@gmail.com>
CC: Nico Macrionitis <acrux@cruxppc.org>
CC: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Reported-by: Matt Turner <mattst88@gmail.com>
Reported-by: Nico Macrionitis <acrux@cruxppc.org>
Tested-by: Nico Macrionitis <acrux@cruxppc.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 drivers/rtc/rtc-m41t80.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index eda128fc1d38..64aedd8cc095 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -357,10 +357,19 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 static struct rtc_class_ops m41t80_rtc_ops = {
 	.read_time = m41t80_rtc_read_time,
 	.set_time = m41t80_rtc_set_time,
+	/*
+	 * XXX - m41t80 alarm functionality is reported broken.
+	 * until it is fixed, don't register alarm functions.
+	 *
 	.read_alarm = m41t80_rtc_read_alarm,
 	.set_alarm = m41t80_rtc_set_alarm,
+	*/
 	.proc = m41t80_rtc_proc,
+	/*
+	 * See above comment on broken alarm
+	 *
 	.alarm_irq_enable = m41t80_rtc_alarm_irq_enable,
+	*/
 };
 
 #if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE)
-- 
GitLab


From e5fe29c7198a1f6616286dfc8602a69da165cb3f Mon Sep 17 00:00:00 2001
From: Felipe Contreras <felipe.contreras@gmail.com>
Date: Thu, 8 Dec 2011 22:23:00 +0200
Subject: [PATCH 1436/1594] ARM: OMAP: rx51: fix USB

Commit 10299e2e4e3ed3b16503d4e04edd48b33083f4e2 (ARM: RX-51:
Enable isp1704 power on/off) added power management for isp1704.

However, the transceiver should be powered on by default,
otherwise USB doesn't work at all for networking during
boot.

All kernels after v3.0 are affected.

Cc: stable@kernel.org
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Sebastian Reichel <sre@debian.org>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/board-rx51-peripherals.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index ba1aa07bdb29..c15c5c9c9085 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -193,7 +193,7 @@ static struct platform_device rx51_charger_device = {
 static void __init rx51_charger_init(void)
 {
 	WARN_ON(gpio_request_one(RX51_USB_TRANSCEIVER_RST_GPIO,
-		GPIOF_OUT_INIT_LOW, "isp1704_reset"));
+		GPIOF_OUT_INIT_HIGH, "isp1704_reset"));
 
 	platform_device_register(&rx51_charger_device);
 }
-- 
GitLab


From bb3c36863e8001fc21a88bebfdead4da4c23e848 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Tue, 13 Dec 2011 17:35:06 -0500
Subject: [PATCH 1437/1594] ipv6: Check dest prefix length on original route
 not copied one in rt6_alloc_cow().

After commit 8e2ec639173f325977818c45011ee176ef2b11f6 ("ipv6: don't
use inetpeer to store metrics for routes.") the test in rt6_alloc_cow()
for setting the ANYCAST flag is now wrong.

'rt' will always now have a plen of 128, because it is set explicitly
to 128 by ip6_rt_copy.

So to restore the semantics of the test, check the destination prefix
length of 'ort'.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/route.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 3399dd326287..b582a0a0f1c5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -728,7 +728,7 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
 		int attempts = !in_softirq();
 
 		if (!(rt->rt6i_flags&RTF_GATEWAY)) {
-			if (rt->rt6i_dst.plen != 128 &&
+			if (ort->rt6i_dst.plen != 128 &&
 			    ipv6_addr_equal(&ort->rt6i_dst.addr, daddr))
 				rt->rt6i_flags |= RTF_ANYCAST;
 			ipv6_addr_copy(&rt->rt6i_gateway, daddr);
-- 
GitLab


From 0a7e22e61e07a2ea479511f9620858be2f1507e8 Mon Sep 17 00:00:00 2001
From: Omar Ramirez Luna <omar.ramirez@ti.com>
Date: Mon, 14 Nov 2011 20:16:57 -0600
Subject: [PATCH 1438/1594] staging: tidspbridge: include module.h by default

Fixes compilation break when compiled as part of the kernel:

drivers/staging/tidspbridge/rmgr/drv_interface.c:134: error: expected declaration specifiers or '...' before string constant
drivers/staging/tidspbridge/rmgr/drv_interface.c:134: warning: data definition has no type or storage class
drivers/staging/tidspbridge/rmgr/drv_interface.c:134: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
drivers/staging/tidspbridge/rmgr/drv_interface.c:134: warning: function declaration isn't a prototype
drivers/staging/tidspbridge/rmgr/drv_interface.c:135: error: expected declaration specifiers or '...' before string constant
drivers/staging/tidspbridge/rmgr/drv_interface.c:135: warning: data definition has no type or storage class
drivers/staging/tidspbridge/rmgr/drv_interface.c:135: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
drivers/staging/tidspbridge/rmgr/drv_interface.c:135: warning: function declaration isn't a prototype
drivers/staging/tidspbridge/rmgr/drv_interface.c:136: error: expected declaration specifiers or '...' before string constant
drivers/staging/tidspbridge/rmgr/drv_interface.c:136: warning: data definition has no type or storage class
drivers/staging/tidspbridge/rmgr/drv_interface.c:136: warning: type defaults to 'int' in declaration of 'MODULE_VERSION'
drivers/staging/tidspbridge/rmgr/drv_interface.c:136: warning: function declaration isn't a prototype
drivers/staging/tidspbridge/rmgr/drv_interface.c: In function 'omap34_xx_bridge_probe':
drivers/staging/tidspbridge/rmgr/drv_interface.c:359: error: 'THIS_MODULE' undeclared (first use in this function)
drivers/staging/tidspbridge/rmgr/drv_interface.c:359: error: (Each undeclared identifier is reported only once
drivers/staging/tidspbridge/rmgr/drv_interface.c:359: error: for each function it appears in.)

Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/tidspbridge/rmgr/drv_interface.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index c43c7e3421c8..76cfc6edecd9 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -24,11 +24,7 @@
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
-
-#ifdef MODULE
 #include <linux/module.h>
-#endif
-
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/moduleparam.h>
-- 
GitLab


From ed625b9143ee53fe610320908c89e22635ee6e87 Mon Sep 17 00:00:00 2001
From: Omar Ramirez Luna <omar.ramirez@ti.com>
Date: Fri, 18 Nov 2011 16:18:54 -0600
Subject: [PATCH 1439/1594] staging: tidspbridge: request dmtimer clocks on
 init

Given that dm timer framework doesn't support request of clocks
by soft | hard irqs because some recent changes, tidspbridge needs
to request its clocks on init and enable/disable them on demand.

This was first seen on 3.2-rc1.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/tidspbridge/core/dsp-clock.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c
index 3d1279c424a8..7eb56178fb64 100644
--- a/drivers/staging/tidspbridge/core/dsp-clock.c
+++ b/drivers/staging/tidspbridge/core/dsp-clock.c
@@ -54,6 +54,7 @@
 
 /* Bridge GPT id (1 - 4), DM Timer id (5 - 8) */
 #define DMT_ID(id) ((id) + 4)
+#define DM_TIMER_CLOCKS		4
 
 /* Bridge MCBSP id (6 - 10), OMAP Mcbsp id (0 - 4) */
 #define MCBSP_ID(id) ((id) - 6)
@@ -114,8 +115,13 @@ static s8 get_clk_type(u8 id)
  */
 void dsp_clk_exit(void)
 {
+	int i;
+
 	dsp_clock_disable_all(dsp_clocks);
 
+	for (i = 0; i < DM_TIMER_CLOCKS; i++)
+		omap_dm_timer_free(timer[i]);
+
 	clk_put(iva2_clk);
 	clk_put(ssi.sst_fck);
 	clk_put(ssi.ssr_fck);
@@ -130,9 +136,13 @@ void dsp_clk_exit(void)
 void dsp_clk_init(void)
 {
 	static struct platform_device dspbridge_device;
+	int i, id;
 
 	dspbridge_device.dev.bus = &platform_bus_type;
 
+	for (i = 0, id = 5; i < DM_TIMER_CLOCKS; i++, id++)
+		timer[i] = omap_dm_timer_request_specific(id);
+
 	iva2_clk = clk_get(&dspbridge_device.dev, "iva2_ck");
 	if (IS_ERR(iva2_clk))
 		dev_err(bridge, "failed to get iva2 clock %p\n", iva2_clk);
@@ -204,8 +214,7 @@ int dsp_clk_enable(enum dsp_clk_id clk_id)
 		clk_enable(iva2_clk);
 		break;
 	case GPT_CLK:
-		timer[clk_id - 1] =
-				omap_dm_timer_request_specific(DMT_ID(clk_id));
+		status = omap_dm_timer_start(timer[clk_id - 1]);
 		break;
 #ifdef CONFIG_OMAP_MCBSP
 	case MCBSP_CLK:
@@ -281,7 +290,7 @@ int dsp_clk_disable(enum dsp_clk_id clk_id)
 		clk_disable(iva2_clk);
 		break;
 	case GPT_CLK:
-		omap_dm_timer_free(timer[clk_id - 1]);
+		status = omap_dm_timer_stop(timer[clk_id - 1]);
 		break;
 #ifdef CONFIG_OMAP_MCBSP
 	case MCBSP_CLK:
-- 
GitLab


From c7caf4d4c56aee40b995f5858ccf1c814f3d2da2 Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Sun, 11 Dec 2011 10:27:54 -0600
Subject: [PATCH 1440/1594] staging: r8712u: Add new USB ID

Add USB ID for Sitecom WLA-2000 v1.001 WLAN.

Reported-and-tested-by: Roland Gruber <post@rolandgruber.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/rtl8712/usb_intf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index fb2e89c3056c..5385da2e9cdb 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -89,6 +89,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
 	{USB_DEVICE(0x0DF6, 0x0045)},
 	{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
 	{USB_DEVICE(0x0DF6, 0x004B)},
+	{USB_DEVICE(0x0DF6, 0x005D)},
 	{USB_DEVICE(0x0DF6, 0x0063)},
 	/* Sweex */
 	{USB_DEVICE(0x177F, 0x0154)},
-- 
GitLab


From ea51d132dbf9b00063169c1159bee253d9649224 Mon Sep 17 00:00:00 2001
From: Andrea Arcangeli <aarcange@redhat.com>
Date: Tue, 13 Dec 2011 21:41:15 -0500
Subject: [PATCH 1441/1594] ext4: avoid hangs in
 ext4_da_should_update_i_disksize()

If the pte mapping in generic_perform_write() is unmapped between
iov_iter_fault_in_readable() and iov_iter_copy_from_user_atomic(), the
"copied" parameter to ->end_write can be zero. ext4 couldn't cope with
it with delayed allocations enabled. This skips the i_disksize
enlargement logic if copied is zero and no new data was appeneded to
the inode.

 gdb> bt
 #0  0xffffffff811afe80 in ext4_da_should_update_i_disksize (file=0xffff88003f606a80, mapping=0xffff88001d3824e0, pos=0x1\
 08000, len=0x1000, copied=0x0, page=0xffffea0000d792e8, fsdata=0x0) at fs/ext4/inode.c:2467
 #1  ext4_da_write_end (file=0xffff88003f606a80, mapping=0xffff88001d3824e0, pos=0x108000, len=0x1000, copied=0x0, page=0\
 xffffea0000d792e8, fsdata=0x0) at fs/ext4/inode.c:2512
 #2  0xffffffff810d97f1 in generic_perform_write (iocb=<value optimized out>, iov=<value optimized out>, nr_segs=<value o\
 ptimized out>, pos=0x108000, ppos=0xffff88001e26be40, count=<value optimized out>, written=0x0) at mm/filemap.c:2440
 #3  generic_file_buffered_write (iocb=<value optimized out>, iov=<value optimized out>, nr_segs=<value optimized out>, p\
 os=0x108000, ppos=0xffff88001e26be40, count=<value optimized out>, written=0x0) at mm/filemap.c:2482
 #4  0xffffffff810db5d1 in __generic_file_aio_write (iocb=0xffff88001e26bde8, iov=0xffff88001e26bec8, nr_segs=0x1, ppos=0\
 xffff88001e26be40) at mm/filemap.c:2600
 #5  0xffffffff810db853 in generic_file_aio_write (iocb=0xffff88001e26bde8, iov=0xffff88001e26bec8, nr_segs=<value optimi\
 zed out>, pos=<value optimized out>) at mm/filemap.c:2632
 #6  0xffffffff811a71aa in ext4_file_write (iocb=0xffff88001e26bde8, iov=0xffff88001e26bec8, nr_segs=0x1, pos=0x108000) a\
 t fs/ext4/file.c:136
 #7  0xffffffff811375aa in do_sync_write (filp=0xffff88003f606a80, buf=<value optimized out>, len=<value optimized out>, \
 ppos=0xffff88001e26bf48) at fs/read_write.c:406
 #8  0xffffffff81137e56 in vfs_write (file=0xffff88003f606a80, buf=0x1ec2960 <Address 0x1ec2960 out of bounds>, count=0x4\
 000, pos=0xffff88001e26bf48) at fs/read_write.c:435
 #9  0xffffffff8113816c in sys_write (fd=<value optimized out>, buf=0x1ec2960 <Address 0x1ec2960 out of bounds>, count=0x\
 4000) at fs/read_write.c:487
 #10 <signal handler called>
 #11 0x00007f120077a390 in __brk_reservation_fn_dmi_alloc__ ()
 #12 0x0000000000000000 in ?? ()
 gdb> print offset
 $22 = 0xffffffffffffffff
 gdb> print idx
 $23 = 0xffffffff
 gdb> print inode->i_blkbits
 $24 = 0xc
 gdb> up
 #1  ext4_da_write_end (file=0xffff88003f606a80, mapping=0xffff88001d3824e0, pos=0x108000, len=0x1000, copied=0x0, page=0\
 xffffea0000d792e8, fsdata=0x0) at fs/ext4/inode.c:2512
 2512                    if (ext4_da_should_update_i_disksize(page, end)) {
 gdb> print start
 $25 = 0x0
 gdb> print end
 $26 = 0xffffffffffffffff
 gdb> print pos
 $27 = 0x108000
 gdb> print new_i_size
 $28 = 0x108000
 gdb> print ((struct ext4_inode_info *)((char *)inode-((int)(&((struct ext4_inode_info *)0)->vfs_inode))))->i_disksize
 $29 = 0xd9000
 gdb> down
 2467            for (i = 0; i < idx; i++)
 gdb> print i
 $30 = 0xd44acbee

This is 100% reproducible with some autonuma development code tuned in
a very aggressive manner (not normal way even for knumad) which does
"exotic" changes to the ptes. It wouldn't normally trigger but I don't
see why it can't happen normally if the page is added to swap cache in
between the two faults leading to "copied" being zero (which then
hangs in ext4). So it should be fixed. Especially possible with lumpy
reclaim (albeit disabled if compaction is enabled) as that would
ignore the young bits in the ptes.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
---
 fs/ext4/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index d2c86633811f..b5edc6e4bab9 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2508,7 +2508,7 @@ static int ext4_da_write_end(struct file *file,
 	 */
 
 	new_i_size = pos + copied;
-	if (new_i_size > EXT4_I(inode)->i_disksize) {
+	if (copied && new_i_size > EXT4_I(inode)->i_disksize) {
 		if (ext4_da_should_update_i_disksize(page, end)) {
 			down_write(&EXT4_I(inode)->i_data_sem);
 			if (new_i_size > EXT4_I(inode)->i_disksize) {
-- 
GitLab


From 13a79a4741d37fda2fbafb953f0f301dc007928f Mon Sep 17 00:00:00 2001
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Tue, 13 Dec 2011 21:51:55 -0500
Subject: [PATCH 1442/1594] ext4: avoid potential hang in mpage_submit_io()
 when blocksize < pagesize

If there is an unwritten but clean buffer in a page and there is a
dirty buffer after the buffer, then mpage_submit_io does not write the
dirty buffer out.  As a result, da_writepages loops forever.

This patch fixes the problem by checking dirty flag.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
---
 fs/ext4/inode.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index b5edc6e4bab9..cf20e1fe7782 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1339,8 +1339,11 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd,
 					clear_buffer_unwritten(bh);
 				}
 
-				/* skip page if block allocation undone */
-				if (buffer_delay(bh) || buffer_unwritten(bh))
+				/*
+				 * skip page if block allocation undone and
+				 * block is dirty
+				 */
+				if (ext4_bh_delay_or_unwritten(NULL, bh))
 					skip_page = 1;
 				bh = bh->b_this_page;
 				block_start += bh->b_size;
-- 
GitLab


From 093e6e3666f47d29763a235b404c84ee47ba8bb0 Mon Sep 17 00:00:00 2001
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Tue, 13 Dec 2011 22:05:05 -0500
Subject: [PATCH 1443/1594] ext4: correctly handle pages w/o buffers in
 ext4_discard_partial_buffers()

If a page has been read into memory and never been written, it has no
buffers, but we should handle the page in truncate or punch hole.

VFS code of writing operations has handled holes correctly, so this
patch removes the code handling holes in writing operations.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
---
 fs/ext4/inode.c | 41 ++---------------------------------------
 1 file changed, 2 insertions(+), 39 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index cf20e1fe7782..92655fd89657 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2390,7 +2390,6 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
 	pgoff_t index;
 	struct inode *inode = mapping->host;
 	handle_t *handle;
-	loff_t page_len;
 
 	index = pos >> PAGE_CACHE_SHIFT;
 
@@ -2437,13 +2436,6 @@ retry:
 		 */
 		if (pos + len > inode->i_size)
 			ext4_truncate_failed_write(inode);
-	} else {
-		page_len = pos & (PAGE_CACHE_SIZE - 1);
-		if (page_len > 0) {
-			ret = ext4_discard_partial_page_buffers_no_lock(handle,
-				inode, page, pos - page_len, page_len,
-				EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED);
-		}
 	}
 
 	if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
@@ -2486,7 +2478,6 @@ static int ext4_da_write_end(struct file *file,
 	loff_t new_i_size;
 	unsigned long start, end;
 	int write_mode = (int)(unsigned long)fsdata;
-	loff_t page_len;
 
 	if (write_mode == FALL_BACK_TO_NONDELALLOC) {
 		if (ext4_should_order_data(inode)) {
@@ -2535,16 +2526,6 @@ static int ext4_da_write_end(struct file *file,
 	}
 	ret2 = generic_write_end(file, mapping, pos, len, copied,
 							page, fsdata);
-
-	page_len = PAGE_CACHE_SIZE -
-			((pos + copied - 1) & (PAGE_CACHE_SIZE - 1));
-
-	if (page_len > 0) {
-		ret = ext4_discard_partial_page_buffers_no_lock(handle,
-			inode, page, pos + copied - 1, page_len,
-			EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED);
-	}
-
 	copied = ret2;
 	if (ret2 < 0)
 		ret = ret2;
@@ -3206,26 +3187,8 @@ int ext4_discard_partial_page_buffers_no_lock(handle_t *handle,
 
 	iblock = index << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);
 
-	if (!page_has_buffers(page)) {
-		/*
-		 * If the range to be discarded covers a partial block
-		 * we need to get the page buffers.  This is because
-		 * partial blocks cannot be released and the page needs
-		 * to be updated with the contents of the block before
-		 * we write the zeros on top of it.
-		 */
-		if ((from & (blocksize - 1)) ||
-		    ((from + length) & (blocksize - 1))) {
-			create_empty_buffers(page, blocksize, 0);
-		} else {
-			/*
-			 * If there are no partial blocks,
-			 * there is nothing to update,
-			 * so we can return now
-			 */
-			return 0;
-		}
-	}
+	if (!page_has_buffers(page))
+		create_empty_buffers(page, blocksize, 0);
 
 	/* Find the buffer that contains "offset" */
 	bh = page_buffers(page);
-- 
GitLab


From 5b5ffa49d4bbb8ca4c41c094261660264f16bd20 Mon Sep 17 00:00:00 2001
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Tue, 13 Dec 2011 22:13:42 -0500
Subject: [PATCH 1444/1594] ext4: remove a wrong BUG_ON in
 ext4_ext_convert_to_initialized

If a file is fallocated on a hole, map->m_lblk + map->m_len may be greater
than ee_block + ee_len.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
---
 fs/ext4/extents.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 61cdb97f338c..607b1557d292 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2955,7 +2955,6 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 	/* Pre-conditions */
 	BUG_ON(!ext4_ext_is_uninitialized(ex));
 	BUG_ON(!in_range(map->m_lblk, ee_block, ee_len));
-	BUG_ON(map->m_lblk + map->m_len > ee_block + ee_len);
 
 	/*
 	 * Attempt to transfer newly initialized blocks from the currently
-- 
GitLab


From 5a0dc7365c240795bf190766eba7a27600be3b3e Mon Sep 17 00:00:00 2001
From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Tue, 13 Dec 2011 22:29:12 -0500
Subject: [PATCH 1445/1594] ext4: handle EOF correctly in ext4_bio_write_page()

We need to zero out part of a page which beyond EOF before setting uptodate,
otherwise, mapread or write will see non-zero data beyond EOF.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
---
 fs/ext4/page-io.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 7ce1d0b19c94..7e106c810c62 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -385,6 +385,18 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
 
 		block_end = block_start + blocksize;
 		if (block_start >= len) {
+			/*
+			 * Comments copied from block_write_full_page_endio:
+			 *
+			 * The page straddles i_size.  It must be zeroed out on
+			 * each and every writepage invocation because it may
+			 * be mmapped.  "A file is mapped in multiples of the
+			 * page size.  For a file that is not a multiple of
+			 * the  page size, the remaining memory is zeroed when
+			 * mapped, and writes to that region are not written
+			 * out to the file."
+			 */
+			zero_user_segment(page, block_start, block_end);
 			clear_buffer_dirty(bh);
 			set_buffer_uptodate(bh);
 			continue;
-- 
GitLab


From 759c361eb95964d0d786f8962224dd0d9e780e6e Mon Sep 17 00:00:00 2001
From: Djalal Harouni <tixxdz@opendz.org>
Date: Tue, 13 Dec 2011 02:47:29 +0100
Subject: [PATCH 1446/1594] fs/ncpfs: fix error paths and goto statements in
 ncp_fill_super()

The label 'out_bdi' should be followed by bdi_destroy() instead of
fput() which should be after the 'out_fput' label.

If bdi_setup_and_register() fails then jump to the 'out_fput' label
instead of the 'out_bdi' one.

If fget(data.info_fd) fails then jump to the previously fixed 'out_bdi'
label to call bdi_destroy() otherwise the bdi object will not be
destroyed.

Compile tested only.

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ncpfs/inode.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 5b5fa33b6b9d..cbd1a61c110a 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -548,7 +548,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 
 	error = bdi_setup_and_register(&server->bdi, "ncpfs", BDI_CAP_MAP_COPY);
 	if (error)
-		goto out_bdi;
+		goto out_fput;
 
 	server->ncp_filp = ncp_filp;
 	server->ncp_sock = sock;
@@ -559,7 +559,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 		error = -EBADF;
 		server->info_filp = fget(data.info_fd);
 		if (!server->info_filp)
-			goto out_fput;
+			goto out_bdi;
 		error = -ENOTSOCK;
 		sock_inode = server->info_filp->f_path.dentry->d_inode;
 		if (!S_ISSOCK(sock_inode->i_mode))
@@ -746,9 +746,9 @@ out_nls:
 out_fput2:
 	if (server->info_filp)
 		fput(server->info_filp);
-out_fput:
-	bdi_destroy(&server->bdi);
 out_bdi:
+	bdi_destroy(&server->bdi);
+out_fput:
 	/* 23/12/1998 Marcin Dalecki <dalecki@cs.net.pl>:
 	 * 
 	 * The previously used put_filp(ncp_filp); was bogus, since
-- 
GitLab


From ccc080c77cd47fde5eb097058fae930b956096eb Mon Sep 17 00:00:00 2001
From: Ajay Kumar Gupta <ajay.gupta@ti.com>
Date: Tue, 13 Dec 2011 10:32:42 +0530
Subject: [PATCH 1447/1594] usb: musb: fix reset issue with full speed device

TXMAXP register is not getting programmed correctly for a full speed device
as can_bulk_split() have been removed by
"0662481: usb: musb: disable double buffering when it's broken" patch.

Adding back the case for can_bulk_split() to fix the reset message seen with
a full speed stick.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/musb/musb_host.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 60ddba8066ea..79cb0af779fa 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -774,6 +774,10 @@ static void musb_ep_program(struct musb *musb, u8 epnum,
 			if (musb->double_buffer_not_ok)
 				musb_writew(epio, MUSB_TXMAXP,
 						hw_ep->max_packet_sz_tx);
+			else if (can_bulk_split(musb, qh->type))
+				musb_writew(epio, MUSB_TXMAXP, packet_sz
+					| ((hw_ep->max_packet_sz_tx /
+						packet_sz) - 1) << 11);
 			else
 				musb_writew(epio, MUSB_TXMAXP,
 						qh->maxpacket |
-- 
GitLab


From 44b7f4b98d8877e2a4427f2a2f2e42ae8227a58f Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Tue, 13 Dec 2011 20:40:45 +0100
Subject: [PATCH 1448/1594] perf events: Fix ring_buffer_wakeup() brown
 paperbag bug

Commit 10c6db11 ("perf: Fix loss of notification with multi-event")
seems to unconditionally dereference event->rb in the wakeup handler,
this is wrong, there might not be a buffer attached.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111213152651.GP20297@mudshark.cambridge.arm.com
[ minor edits ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/events/core.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index d3b9df5962c2..58690af323e4 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3558,9 +3558,13 @@ static void ring_buffer_wakeup(struct perf_event *event)
 
 	rcu_read_lock();
 	rb = rcu_dereference(event->rb);
-	list_for_each_entry_rcu(event, &rb->event_list, rb_entry) {
+	if (!rb)
+		goto unlock;
+
+	list_for_each_entry_rcu(event, &rb->event_list, rb_entry)
 		wake_up_all(&event->waitq);
-	}
+
+unlock:
 	rcu_read_unlock();
 }
 
-- 
GitLab


From 7e1e7ead88dff75b11b86ee0d5232c4591be1326 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 11 Nov 2011 20:52:01 +0100
Subject: [PATCH 1449/1594] [SCSI] fcoe: Fix preempt count leak in
 fcoe_filter_frames()

The error exit path leaks preempt count. Add the missing put_cpu().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Yi Zou <yi.zou@intel.com>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/fcoe/fcoe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index cefbe44bb84a..f3f440c955f3 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1624,6 +1624,7 @@ static inline int fcoe_filter_frames(struct fc_lport *lport,
 	stats->InvalidCRCCount++;
 	if (stats->InvalidCRCCount < 5)
 		printk(KERN_WARNING "fcoe: dropping frame with CRC error\n");
+	put_cpu();
 	return -EINVAL;
 }
 
-- 
GitLab


From 44f747fff6e9f027a4866c1a6864e26ae7c510c8 Mon Sep 17 00:00:00 2001
From: Steffen Maier <maier@linux.vnet.ibm.com>
Date: Fri, 18 Nov 2011 20:00:40 +0100
Subject: [PATCH 1450/1594] [SCSI] zfcp: return early from slave_destroy if
 slave_alloc returned early

zfcp_scsi_slave_destroy erroneously always tried to finish its task
even if the corresponding previous zfcp_scsi_slave_alloc returned
early. This can lead to kernel page faults on accessing uninitialized
fields of struct zfcp_scsi_dev in zfcp_erp_lun_shutdown_wait. Take the
port field of the struct to determine if slave_alloc returned early.

This zfcp bug is exposed by 4e6c82b (in turn fixing f7c9c6b to be
compatible with 21208ae) which can call slave_destroy for a
corresponding previous slave_alloc that did not finish.

This patch is based on James Bottomley's fix suggestion in
http://www.spinics.net/lists/linux-scsi/msg55449.html.

Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Cc: <stable@kernel.org> #2.6.38+
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/s390/scsi/zfcp_scsi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 11f07f888223..b79576b64f45 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -55,6 +55,10 @@ static void zfcp_scsi_slave_destroy(struct scsi_device *sdev)
 {
 	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
 
+	/* if previous slave_alloc returned early, there is nothing to do */
+	if (!zfcp_sdev->port)
+		return;
+
 	zfcp_erp_lun_shutdown_wait(sdev, "scssd_1");
 	put_device(&zfcp_sdev->port->dev);
 }
-- 
GitLab


From 13483730a13bef372894aefcf73760f5c6c297be Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Thu, 1 Dec 2011 21:38:41 -0600
Subject: [PATCH 1451/1594] [SCSI] qla4xxx: fix flash/ddb support

With open-iscsi support, target entries persisted in the FLASH were not
login. Added support in the qla4xxx driver to do the login on probe
time to the target entries saved in the FLASH by user.
With this changes upgrade to the new kernel with open-iscsi support in
qla4xxx will ensure users original target entries login on driver load

Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla4xxx/ql4_def.h     |   55 +-
 drivers/scsi/qla4xxx/ql4_fw.h      |    8 +
 drivers/scsi/qla4xxx/ql4_glbl.h    |   16 +-
 drivers/scsi/qla4xxx/ql4_init.c    |  239 +++++-
 drivers/scsi/qla4xxx/ql4_mbx.c     |   11 +
 drivers/scsi/qla4xxx/ql4_os.c      | 1081 ++++++++++++++++++++++++++--
 drivers/scsi/qla4xxx/ql4_version.h |    2 +-
 7 files changed, 1315 insertions(+), 97 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index ace637bf254e..fd5edc6e166d 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -147,7 +147,7 @@
 #define ISCSI_ALIAS_SIZE		32	/* ISCSI Alias name size */
 #define ISCSI_NAME_SIZE			0xE0	/* ISCSI Name size */
 
-#define QL4_SESS_RECOVERY_TMO		30	/* iSCSI session */
+#define QL4_SESS_RECOVERY_TMO		120	/* iSCSI session */
 						/* recovery timeout */
 
 #define LSDW(x) ((u32)((u64)(x)))
@@ -173,6 +173,8 @@
 #define ISNS_DEREG_TOV			5
 #define HBA_ONLINE_TOV			30
 #define DISABLE_ACB_TOV			30
+#define IP_CONFIG_TOV			30
+#define LOGIN_TOV			12
 
 #define MAX_RESET_HA_RETRIES		2
 
@@ -240,6 +242,45 @@ struct ddb_entry {
 
 	uint16_t fw_ddb_index;	/* DDB firmware index */
 	uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
+	uint16_t ddb_type;
+#define FLASH_DDB 0x01
+
+	struct dev_db_entry fw_ddb_entry;
+	int (*unblock_sess)(struct iscsi_cls_session *cls_session);
+	int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+			  struct ddb_entry *ddb_entry, uint32_t state);
+
+	/* Driver Re-login  */
+	unsigned long flags;		  /* DDB Flags */
+	uint16_t default_relogin_timeout; /*  Max time to wait for
+					   *  relogin to complete */
+	atomic_t retry_relogin_timer;	  /* Min Time between relogins
+					   * (4000 only) */
+	atomic_t relogin_timer;		  /* Max Time to wait for
+					   * relogin to complete */
+	atomic_t relogin_retry_count;	  /* Num of times relogin has been
+					   * retried */
+	uint32_t default_time2wait;	  /* Default Min time between
+					   * relogins (+aens) */
+
+};
+
+struct qla_ddb_index {
+	struct list_head list;
+	uint16_t fw_ddb_idx;
+	struct dev_db_entry fw_ddb;
+};
+
+#define DDB_IPADDR_LEN 64
+
+struct ql4_tuple_ddb {
+	int port;
+	int tpgt;
+	char ip_addr[DDB_IPADDR_LEN];
+	char iscsi_name[ISCSI_NAME_SIZE];
+	uint16_t options;
+#define DDB_OPT_IPV6 0x0e0e
+#define DDB_OPT_IPV4 0x0f0f
 };
 
 /*
@@ -411,7 +452,7 @@ struct scsi_qla_host {
 #define AF_FW_RECOVERY			19 /* 0x00080000 */
 #define AF_EEH_BUSY			20 /* 0x00100000 */
 #define AF_PCI_CHANNEL_IO_PERM_FAILURE	21 /* 0x00200000 */
-
+#define AF_BUILD_DDB_LIST		22 /* 0x00400000 */
 	unsigned long dpc_flags;
 
 #define DPC_RESET_HA			1 /* 0x00000002 */
@@ -604,6 +645,7 @@ struct scsi_qla_host {
 	uint16_t bootload_minor;
 	uint16_t bootload_patch;
 	uint16_t bootload_build;
+	uint16_t def_timeout; /* Default login timeout */
 
 	uint32_t flash_state;
 #define	QLFLASH_WAITING		0
@@ -623,6 +665,11 @@ struct scsi_qla_host {
 	uint16_t iscsi_pci_func_cnt;
 	uint8_t model_name[16];
 	struct completion disable_acb_comp;
+	struct dma_pool *fw_ddb_dma_pool;
+#define DDB_DMA_BLOCK_SIZE 512
+	uint16_t pri_ddb_idx;
+	uint16_t sec_ddb_idx;
+	int is_reset;
 };
 
 struct ql4_task_data {
@@ -835,6 +882,10 @@ static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
 /*---------------------------------------------------------------------------*/
 
 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
+
+#define INIT_ADAPTER    0
+#define RESET_ADAPTER   1
+
 #define PRESERVE_DDB_LIST	0
 #define REBUILD_DDB_LIST	1
 
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index cbd5a20dbbd1..4ac07f882521 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -12,6 +12,7 @@
 #define MAX_PRST_DEV_DB_ENTRIES		64
 #define MIN_DISC_DEV_DB_ENTRY		MAX_PRST_DEV_DB_ENTRIES
 #define MAX_DEV_DB_ENTRIES		512
+#define MAX_DEV_DB_ENTRIES_40XX		256
 
 /*************************************************************************
  *
@@ -604,6 +605,13 @@ struct addr_ctrl_blk {
 	uint8_t res14[140];	/* 274-2FF */
 };
 
+#define IP_ADDR_COUNT	4 /* Total 4 IP address supported in one interface
+			   * One IPv4, one IPv6 link local and 2 IPv6
+			   */
+
+#define IP_STATE_MASK	0x0F000000
+#define IP_STATE_SHIFT	24
+
 struct init_fw_ctrl_blk {
 	struct addr_ctrl_blk pri;
 /*	struct addr_ctrl_blk sec;*/
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 160db9d5ea21..d0dd4b330206 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -13,7 +13,7 @@ struct iscsi_cls_conn;
 int qla4xxx_hw_reset(struct scsi_qla_host *ha);
 int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a);
 int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb *srb);
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha);
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset);
 int qla4xxx_soft_reset(struct scsi_qla_host *ha);
 irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id);
 
@@ -153,10 +153,13 @@ int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 			  uint32_t *mbx_sts);
 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index);
 int qla4xxx_send_passthru0(struct iscsi_task *task);
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha);
 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
 			  uint16_t stats_size, dma_addr_t stats_dma);
 void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 				       struct ddb_entry *ddb_entry);
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+					     struct ddb_entry *ddb_entry);
 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
 			    struct dev_db_entry *fw_ddb_entry,
 			    dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index);
@@ -169,11 +172,22 @@ int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
 				     uint32_t region, uint32_t field0,
 				     uint32_t field1);
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index);
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session);
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+			     struct ddb_entry *ddb_entry, uint32_t state);
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+		       struct ddb_entry *ddb_entry, uint32_t state);
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset);
 
 /* BSG Functions */
 int qla4xxx_bsg_request(struct bsg_job *bsg_job);
 int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job);
 
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry);
+
 extern int ql4xextended_error_logging;
 extern int ql4xdontresethba;
 extern int ql4xenablemsix;
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 3075fbaef553..0497873a1dd2 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -773,14 +773,14 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha)
  * be freed so that when login happens from user space there are free DDB
  * indices available.
  **/
-static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
+void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
 {
 	int max_ddbs;
 	int ret;
 	uint32_t idx = 0, next_idx = 0;
 	uint32_t state = 0, conn_err = 0;
 
-	max_ddbs =  is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
+	max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
 				     MAX_DEV_DB_ENTRIES;
 
 	for (idx = 0; idx < max_ddbs; idx = next_idx) {
@@ -804,7 +804,6 @@ static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
 	}
 }
 
-
 /**
  * qla4xxx_initialize_adapter - initiailizes hba
  * @ha: Pointer to host adapter structure.
@@ -812,7 +811,7 @@ static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
  * This routine parforms all of the steps necessary to initialize the adapter.
  *
  **/
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, int is_reset)
 {
 	int status = QLA_ERROR;
 
@@ -840,7 +839,8 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
 	if (status == QLA_ERROR)
 		goto exit_init_hba;
 
-	qla4xxx_free_ddb_index(ha);
+	if (is_reset == RESET_ADAPTER)
+		qla4xxx_build_ddb_list(ha, is_reset);
 
 	set_bit(AF_ONLINE, &ha->flags);
 exit_init_hba:
@@ -855,38 +855,12 @@ exit_init_hba:
 	return status;
 }
 
-/**
- * qla4xxx_process_ddb_changed - process ddb state change
- * @ha - Pointer to host adapter structure.
- * @fw_ddb_index - Firmware's device database index
- * @state - Device state
- *
- * This routine processes a Decive Database Changed AEN Event.
- **/
-int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
-		uint32_t state, uint32_t conn_err)
+int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+		       struct ddb_entry *ddb_entry, uint32_t state)
 {
-	struct ddb_entry * ddb_entry;
 	uint32_t old_fw_ddb_device_state;
 	int status = QLA_ERROR;
 
-	/* check for out of range index */
-	if (fw_ddb_index >= MAX_DDB_ENTRIES)
-		goto exit_ddb_event;
-
-	/* Get the corresponging ddb entry */
-	ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
-	/* Device does not currently exist in our database. */
-	if (ddb_entry == NULL) {
-		ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
-			   __func__, fw_ddb_index);
-
-		if (state == DDB_DS_NO_CONNECTION_ACTIVE)
-			clear_bit(fw_ddb_index, ha->ddb_idx_map);
-
-		goto exit_ddb_event;
-	}
-
 	old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
 	DEBUG2(ql4_printk(KERN_INFO, ha,
 			  "%s: DDB - old state = 0x%x, new state = 0x%x for "
@@ -900,9 +874,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 		switch (state) {
 		case DDB_DS_SESSION_ACTIVE:
 		case DDB_DS_DISCOVERY:
-			iscsi_conn_start(ddb_entry->conn);
-			iscsi_conn_login_event(ddb_entry->conn,
-					       ISCSI_CONN_STATE_LOGGED_IN);
+			ddb_entry->unblock_sess(ddb_entry->sess);
 			qla4xxx_update_session_conn_param(ha, ddb_entry);
 			status = QLA_SUCCESS;
 			break;
@@ -936,9 +908,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 		switch (state) {
 		case DDB_DS_SESSION_ACTIVE:
 		case DDB_DS_DISCOVERY:
-			iscsi_conn_start(ddb_entry->conn);
-			iscsi_conn_login_event(ddb_entry->conn,
-					       ISCSI_CONN_STATE_LOGGED_IN);
+			ddb_entry->unblock_sess(ddb_entry->sess);
 			qla4xxx_update_session_conn_param(ha, ddb_entry);
 			status = QLA_SUCCESS;
 			break;
@@ -954,7 +924,198 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 				__func__));
 		break;
 	}
+	return status;
+}
+
+void qla4xxx_arm_relogin_timer(struct ddb_entry *ddb_entry)
+{
+	/*
+	 * This triggers a relogin.  After the relogin_timer
+	 * expires, the relogin gets scheduled.  We must wait a
+	 * minimum amount of time since receiving an 0x8014 AEN
+	 * with failed device_state or a logout response before
+	 * we can issue another relogin.
+	 *
+	 * Firmware pads this timeout: (time2wait +1).
+	 * Driver retry to login should be longer than F/W.
+	 * Otherwise F/W will fail
+	 * set_ddb() mbx cmd with 0x4005 since it still
+	 * counting down its time2wait.
+	 */
+	atomic_set(&ddb_entry->relogin_timer, 0);
+	atomic_set(&ddb_entry->retry_relogin_timer,
+		   ddb_entry->default_time2wait + 4);
+
+}
+
+int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+			     struct ddb_entry *ddb_entry, uint32_t state)
+{
+	uint32_t old_fw_ddb_device_state;
+	int status = QLA_ERROR;
+
+	old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "%s: DDB - old state = 0x%x, new state = 0x%x for "
+			  "index [%d]\n", __func__,
+			  ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
+
+	ddb_entry->fw_ddb_device_state = state;
+
+	switch (old_fw_ddb_device_state) {
+	case DDB_DS_LOGIN_IN_PROCESS:
+	case DDB_DS_NO_CONNECTION_ACTIVE:
+		switch (state) {
+		case DDB_DS_SESSION_ACTIVE:
+			ddb_entry->unblock_sess(ddb_entry->sess);
+			qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		case DDB_DS_SESSION_FAILED:
+			iscsi_block_session(ddb_entry->sess);
+			if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+				qla4xxx_arm_relogin_timer(ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		}
+		break;
+	case DDB_DS_SESSION_ACTIVE:
+		switch (state) {
+		case DDB_DS_SESSION_FAILED:
+			iscsi_block_session(ddb_entry->sess);
+			if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+				qla4xxx_arm_relogin_timer(ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		}
+		break;
+	case DDB_DS_SESSION_FAILED:
+		switch (state) {
+		case DDB_DS_SESSION_ACTIVE:
+			ddb_entry->unblock_sess(ddb_entry->sess);
+			qla4xxx_update_session_conn_fwddb_param(ha, ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		case DDB_DS_SESSION_FAILED:
+			if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+				qla4xxx_arm_relogin_timer(ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		}
+		break;
+	default:
+		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
+				  __func__));
+		break;
+	}
+	return status;
+}
+
+/**
+ * qla4xxx_process_ddb_changed - process ddb state change
+ * @ha - Pointer to host adapter structure.
+ * @fw_ddb_index - Firmware's device database index
+ * @state - Device state
+ *
+ * This routine processes a Decive Database Changed AEN Event.
+ **/
+int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha,
+				uint32_t fw_ddb_index,
+				uint32_t state, uint32_t conn_err)
+{
+	struct ddb_entry *ddb_entry;
+	int status = QLA_ERROR;
+
+	/* check for out of range index */
+	if (fw_ddb_index >= MAX_DDB_ENTRIES)
+		goto exit_ddb_event;
+
+	/* Get the corresponging ddb entry */
+	ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
+	/* Device does not currently exist in our database. */
+	if (ddb_entry == NULL) {
+		ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
+			   __func__, fw_ddb_index);
+
+		if (state == DDB_DS_NO_CONNECTION_ACTIVE)
+			clear_bit(fw_ddb_index, ha->ddb_idx_map);
+
+		goto exit_ddb_event;
+	}
+
+	ddb_entry->ddb_change(ha, fw_ddb_index, ddb_entry, state);
 
 exit_ddb_event:
 	return status;
 }
+
+/**
+ * qla4xxx_login_flash_ddb - Login to target (DDB)
+ * @cls_session: Pointer to the session to login
+ *
+ * This routine logins to the target.
+ * Issues setddb and conn open mbx
+ **/
+void qla4xxx_login_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+	struct dev_db_entry *fw_ddb_entry = NULL;
+	dma_addr_t fw_ddb_dma;
+	uint32_t mbx_sts = 0;
+	int ret;
+
+	sess = cls_session->dd_data;
+	ddb_entry = sess->dd_data;
+	ha =  ddb_entry->ha;
+
+	if (!test_bit(AF_LINK_UP, &ha->flags))
+		return;
+
+	if (ddb_entry->ddb_type != FLASH_DDB) {
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Skipping login to non FLASH DB"));
+		goto exit_login;
+	}
+
+	fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+				      &fw_ddb_dma);
+	if (fw_ddb_entry == NULL) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+		goto exit_login;
+	}
+
+	if (ddb_entry->fw_ddb_index == INVALID_ENTRY) {
+		ret = qla4xxx_get_ddb_index(ha, &ddb_entry->fw_ddb_index);
+		if (ret == QLA_ERROR)
+			goto exit_login;
+
+		ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
+		ha->tot_ddbs++;
+	}
+
+	memcpy(fw_ddb_entry, &ddb_entry->fw_ddb_entry,
+	       sizeof(struct dev_db_entry));
+	ddb_entry->sess->target_id = ddb_entry->fw_ddb_index;
+
+	ret = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
+				    fw_ddb_dma, &mbx_sts);
+	if (ret == QLA_ERROR) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "Set DDB failed\n"));
+		goto exit_login;
+	}
+
+	ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
+	ret = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
+	if (ret == QLA_ERROR) {
+		ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
+			   sess->targetname);
+		goto exit_login;
+	}
+
+exit_login:
+	if (fw_ddb_entry)
+		dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+}
+
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 4c2b84870392..c2593782fbbe 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -41,6 +41,16 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
 		return status;
 	}
 
+	if (is_qla40XX(ha)) {
+		if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
+			DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
+					  "prematurely completing mbx cmd as "
+					  "adapter removal detected\n",
+					  ha->host_no, __func__));
+			return status;
+		}
+	}
+
 	if (is_qla8022(ha)) {
 		if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
 			DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
@@ -413,6 +423,7 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 	memcpy(ha->name_string, init_fw_cb->iscsi_name,
 		min(sizeof(ha->name_string),
 		sizeof(init_fw_cb->iscsi_name)));
+	ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
 	/*memcpy(ha->alias, init_fw_cb->Alias,
 	       min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 30f31b127f33..95910c9b4776 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -8,6 +8,7 @@
 #include <linux/slab.h>
 #include <linux/blkdev.h>
 #include <linux/iscsi_boot_sysfs.h>
+#include <linux/inet.h>
 
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
@@ -31,6 +32,13 @@ static struct kmem_cache *srb_cachep;
 /*
  * Module parameter information and variables
  */
+int ql4xdisablesysfsboot = 1;
+module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ql4xdisablesysfsboot,
+		"Set to disable exporting boot targets to sysfs\n"
+		" 0 - Export boot targets\n"
+		" 1 - Do not export boot targets (Default)");
+
 int ql4xdontresethba = 0;
 module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(ql4xdontresethba,
@@ -63,7 +71,7 @@ static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
 module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
 MODULE_PARM_DESC(ql4xsess_recovery_tmo,
 		"Target Session Recovery Timeout.\n"
-		" Default: 30 sec.");
+		" Default: 120 sec.");
 
 static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
 /*
@@ -415,7 +423,7 @@ static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
 	qla_ep = ep->dd_data;
 	ha = to_qla_host(qla_ep->host);
 
-	if (adapter_up(ha))
+	if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
 		ret = 1;
 
 	return ret;
@@ -975,6 +983,150 @@ static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
 
 }
 
+int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
+{
+	uint32_t mbx_sts = 0;
+	uint16_t tmp_ddb_index;
+	int ret;
+
+get_ddb_index:
+	tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
+
+	if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Free DDB index not available\n"));
+		ret = QLA_ERROR;
+		goto exit_get_ddb_index;
+	}
+
+	if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
+		goto get_ddb_index;
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Found a free DDB index at %d\n", tmp_ddb_index));
+	ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
+	if (ret == QLA_ERROR) {
+		if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
+			ql4_printk(KERN_INFO, ha,
+				   "DDB index = %d not available trying next\n",
+				   tmp_ddb_index);
+			goto get_ddb_index;
+		}
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Free FW DDB not available\n"));
+	}
+
+	*ddb_index = tmp_ddb_index;
+
+exit_get_ddb_index:
+	return ret;
+}
+
+static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
+				   struct ddb_entry *ddb_entry,
+				   char *existing_ipaddr,
+				   char *user_ipaddr)
+{
+	uint8_t dst_ipaddr[IPv6_ADDR_LEN];
+	char formatted_ipaddr[DDB_IPADDR_LEN];
+	int status = QLA_SUCCESS, ret = 0;
+
+	if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
+		ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+			       '\0', NULL);
+		if (ret == 0) {
+			status = QLA_ERROR;
+			goto out_match;
+		}
+		ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
+	} else {
+		ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
+			       '\0', NULL);
+		if (ret == 0) {
+			status = QLA_ERROR;
+			goto out_match;
+		}
+		ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
+	}
+
+	if (strcmp(existing_ipaddr, formatted_ipaddr))
+		status = QLA_ERROR;
+
+out_match:
+	return status;
+}
+
+static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
+				      struct iscsi_cls_conn *cls_conn)
+{
+	int idx = 0, max_ddbs, rval;
+	struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
+	struct iscsi_session *sess, *existing_sess;
+	struct iscsi_conn *conn, *existing_conn;
+	struct ddb_entry *ddb_entry;
+
+	sess = cls_sess->dd_data;
+	conn = cls_conn->dd_data;
+
+	if (sess->targetname == NULL ||
+	    conn->persistent_address == NULL ||
+	    conn->persistent_port == 0)
+		return QLA_ERROR;
+
+	max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+				     MAX_DEV_DB_ENTRIES;
+
+	for (idx = 0; idx < max_ddbs; idx++) {
+		ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+		if (ddb_entry == NULL)
+			continue;
+
+		if (ddb_entry->ddb_type != FLASH_DDB)
+			continue;
+
+		existing_sess = ddb_entry->sess->dd_data;
+		existing_conn = ddb_entry->conn->dd_data;
+
+		if (existing_sess->targetname == NULL ||
+		    existing_conn->persistent_address == NULL ||
+		    existing_conn->persistent_port == 0)
+			continue;
+
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "IQN = %s User IQN = %s\n",
+				  existing_sess->targetname,
+				  sess->targetname));
+
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "IP = %s User IP = %s\n",
+				  existing_conn->persistent_address,
+				  conn->persistent_address));
+
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Port = %d User Port = %d\n",
+				  existing_conn->persistent_port,
+				  conn->persistent_port));
+
+		if (strcmp(existing_sess->targetname, sess->targetname))
+			continue;
+		rval = qla4xxx_match_ipaddress(ha, ddb_entry,
+					existing_conn->persistent_address,
+					conn->persistent_address);
+		if (rval == QLA_ERROR)
+			continue;
+		if (existing_conn->persistent_port != conn->persistent_port)
+			continue;
+		break;
+	}
+
+	if (idx == max_ddbs)
+		return QLA_ERROR;
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Match found in fwdb sessions\n"));
+	return QLA_SUCCESS;
+}
+
 static struct iscsi_cls_session *
 qla4xxx_session_create(struct iscsi_endpoint *ep,
 			uint16_t cmds_max, uint16_t qdepth,
@@ -984,8 +1136,7 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
 	struct scsi_qla_host *ha;
 	struct qla_endpoint *qla_ep;
 	struct ddb_entry *ddb_entry;
-	uint32_t ddb_index;
-	uint32_t mbx_sts = 0;
+	uint16_t ddb_index;
 	struct iscsi_session *sess;
 	struct sockaddr *dst_addr;
 	int ret;
@@ -1000,32 +1151,9 @@ qla4xxx_session_create(struct iscsi_endpoint *ep,
 	dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
 	ha = to_qla_host(qla_ep->host);
 
-get_ddb_index:
-	ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
-
-	if (ddb_index >= MAX_DDB_ENTRIES) {
-		DEBUG2(ql4_printk(KERN_INFO, ha,
-				  "Free DDB index not available\n"));
+	ret = qla4xxx_get_ddb_index(ha, &ddb_index);
+	if (ret == QLA_ERROR)
 		return NULL;
-	}
-
-	if (test_and_set_bit(ddb_index, ha->ddb_idx_map))
-		goto get_ddb_index;
-
-	DEBUG2(ql4_printk(KERN_INFO, ha,
-			  "Found a free DDB index at %d\n", ddb_index));
-	ret = qla4xxx_req_ddb_entry(ha, ddb_index, &mbx_sts);
-	if (ret == QLA_ERROR) {
-		if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
-			ql4_printk(KERN_INFO, ha,
-				   "DDB index = %d not available trying next\n",
-				   ddb_index);
-			goto get_ddb_index;
-		}
-		DEBUG2(ql4_printk(KERN_INFO, ha,
-				  "Free FW DDB not available\n"));
-		return NULL;
-	}
 
 	cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
 				       cmds_max, sizeof(struct ddb_entry),
@@ -1040,6 +1168,8 @@ get_ddb_index:
 	ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
 	ddb_entry->ha = ha;
 	ddb_entry->sess = cls_sess;
+	ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
+	ddb_entry->ddb_change = qla4xxx_ddb_change;
 	cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
 	ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
 	ha->tot_ddbs++;
@@ -1109,7 +1239,7 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
 	struct iscsi_session *sess;
 	struct ddb_entry *ddb_entry;
 	struct scsi_qla_host *ha;
-	struct dev_db_entry *fw_ddb_entry;
+	struct dev_db_entry *fw_ddb_entry = NULL;
 	dma_addr_t fw_ddb_entry_dma;
 	uint32_t mbx_sts = 0;
 	int ret = 0;
@@ -1120,12 +1250,25 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
 	ddb_entry = sess->dd_data;
 	ha = ddb_entry->ha;
 
+	/* Check if we have  matching FW DDB, if yes then do not
+	 * login to this target. This could cause target to logout previous
+	 * connection
+	 */
+	ret = qla4xxx_match_fwdb_session(ha, cls_conn);
+	if (ret == QLA_SUCCESS) {
+		ql4_printk(KERN_INFO, ha,
+			   "Session already exist in FW.\n");
+		ret = -EEXIST;
+		goto exit_conn_start;
+	}
+
 	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
 					  &fw_ddb_entry_dma, GFP_KERNEL);
 	if (!fw_ddb_entry) {
 		ql4_printk(KERN_ERR, ha,
 			   "%s: Unable to allocate dma buffer\n", __func__);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto exit_conn_start;
 	}
 
 	ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
@@ -1138,9 +1281,7 @@ static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
 		if (mbx_sts)
 			if (ddb_entry->fw_ddb_device_state ==
 						DDB_DS_SESSION_ACTIVE) {
-				iscsi_conn_start(ddb_entry->conn);
-				iscsi_conn_login_event(ddb_entry->conn,
-						ISCSI_CONN_STATE_LOGGED_IN);
+				ddb_entry->unblock_sess(ddb_entry->sess);
 				goto exit_set_param;
 			}
 
@@ -1167,8 +1308,9 @@ exit_set_param:
 	ret = 0;
 
 exit_conn_start:
-	dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
-			  fw_ddb_entry, fw_ddb_entry_dma);
+	if (fw_ddb_entry)
+		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+				  fw_ddb_entry, fw_ddb_entry_dma);
 	return ret;
 }
 
@@ -1344,6 +1486,101 @@ static int qla4xxx_task_xmit(struct iscsi_task *task)
 	return -ENOSYS;
 }
 
+static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
+				     struct dev_db_entry *fw_ddb_entry,
+				     struct iscsi_cls_session *cls_sess,
+				     struct iscsi_cls_conn *cls_conn)
+{
+	int buflen = 0;
+	struct iscsi_session *sess;
+	struct iscsi_conn *conn;
+	char ip_addr[DDB_IPADDR_LEN];
+	uint16_t options = 0;
+
+	sess = cls_sess->dd_data;
+	conn = cls_conn->dd_data;
+
+	conn->max_recv_dlength = BYTE_UNITS *
+			  le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
+
+	conn->max_xmit_dlength = BYTE_UNITS *
+			  le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
+
+	sess->initial_r2t_en =
+			    (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+	sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
+
+	sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+	sess->first_burst = BYTE_UNITS *
+			       le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
+
+	sess->max_burst = BYTE_UNITS *
+				 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
+
+	sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+
+	sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
+
+	conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
+
+	sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+
+	options = le16_to_cpu(fw_ddb_entry->options);
+	if (options & DDB_OPT_IPV6_DEVICE)
+		sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+	else
+		sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+
+	iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
+			(char *)fw_ddb_entry->iscsi_name, buflen);
+	iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
+			(char *)ha->name_string, buflen);
+	iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
+			(char *)ip_addr, buflen);
+}
+
+void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
+					     struct ddb_entry *ddb_entry)
+{
+	struct iscsi_cls_session *cls_sess;
+	struct iscsi_cls_conn *cls_conn;
+	uint32_t ddb_state;
+	dma_addr_t fw_ddb_entry_dma;
+	struct dev_db_entry *fw_ddb_entry;
+
+	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+					  &fw_ddb_entry_dma, GFP_KERNEL);
+	if (!fw_ddb_entry) {
+		ql4_printk(KERN_ERR, ha,
+			   "%s: Unable to allocate dma buffer\n", __func__);
+		goto exit_session_conn_fwddb_param;
+	}
+
+	if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
+				    fw_ddb_entry_dma, NULL, NULL, &ddb_state,
+				    NULL, NULL, NULL) == QLA_ERROR) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+				  "get_ddb_entry for fw_ddb_index %d\n",
+				  ha->host_no, __func__,
+				  ddb_entry->fw_ddb_index));
+		goto exit_session_conn_fwddb_param;
+	}
+
+	cls_sess = ddb_entry->sess;
+
+	cls_conn = ddb_entry->conn;
+
+	/* Update params */
+	qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
+
+exit_session_conn_fwddb_param:
+	if (fw_ddb_entry)
+		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+				  fw_ddb_entry, fw_ddb_entry_dma);
+}
+
 void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 				       struct ddb_entry *ddb_entry)
 {
@@ -1360,7 +1597,7 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 	if (!fw_ddb_entry) {
 		ql4_printk(KERN_ERR, ha,
 			   "%s: Unable to allocate dma buffer\n", __func__);
-		return;
+		goto exit_session_conn_param;
 	}
 
 	if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
@@ -1370,7 +1607,7 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 				  "get_ddb_entry for fw_ddb_index %d\n",
 				  ha->host_no, __func__,
 				  ddb_entry->fw_ddb_index));
-		return;
+		goto exit_session_conn_param;
 	}
 
 	cls_sess = ddb_entry->sess;
@@ -1379,6 +1616,12 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 	cls_conn = ddb_entry->conn;
 	conn = cls_conn->dd_data;
 
+	/* Update timers after login */
+	ddb_entry->default_relogin_timeout =
+				le16_to_cpu(fw_ddb_entry->def_timeout);
+	ddb_entry->default_time2wait =
+				le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+
 	/* Update params */
 	conn->max_recv_dlength = BYTE_UNITS *
 			  le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
@@ -1407,6 +1650,11 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
 
 	memcpy(sess->initiatorname, ha->name_string,
 	       min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
+
+exit_session_conn_param:
+	if (fw_ddb_entry)
+		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+				  fw_ddb_entry, fw_ddb_entry_dma);
 }
 
 /*
@@ -1607,6 +1855,9 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
 		vfree(ha->chap_list);
 	ha->chap_list = NULL;
 
+	if (ha->fw_ddb_dma_pool)
+		dma_pool_destroy(ha->fw_ddb_dma_pool);
+
 	/* release io space registers  */
 	if (is_qla8022(ha)) {
 		if (ha->nx_pcibase)
@@ -1689,6 +1940,16 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
 		goto mem_alloc_error_exit;
 	}
 
+	ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
+					      DDB_DMA_BLOCK_SIZE, 8, 0);
+
+	if (ha->fw_ddb_dma_pool == NULL) {
+		ql4_printk(KERN_WARNING, ha,
+			   "%s: fw_ddb_dma_pool allocation failed..\n",
+			   __func__);
+		goto mem_alloc_error_exit;
+	}
+
 	return QLA_SUCCESS;
 
 mem_alloc_error_exit:
@@ -1800,6 +2061,60 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
 	}
 }
 
+void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	if (!(ddb_entry->ddb_type == FLASH_DDB))
+		return;
+
+	if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
+	    !iscsi_is_session_online(cls_sess)) {
+		if (atomic_read(&ddb_entry->retry_relogin_timer) !=
+		    INVALID_ENTRY) {
+			if (atomic_read(&ddb_entry->retry_relogin_timer) ==
+					0) {
+				atomic_set(&ddb_entry->retry_relogin_timer,
+					   INVALID_ENTRY);
+				set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+				set_bit(DF_RELOGIN, &ddb_entry->flags);
+				DEBUG2(ql4_printk(KERN_INFO, ha,
+				       "%s: index [%d] login device\n",
+					__func__, ddb_entry->fw_ddb_index));
+			} else
+				atomic_dec(&ddb_entry->retry_relogin_timer);
+		}
+	}
+
+	/* Wait for relogin to timeout */
+	if (atomic_read(&ddb_entry->relogin_timer) &&
+	    (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
+		/*
+		 * If the relogin times out and the device is
+		 * still NOT ONLINE then try and relogin again.
+		 */
+		if (!iscsi_is_session_online(cls_sess)) {
+			/* Reset retry relogin timer */
+			atomic_inc(&ddb_entry->relogin_retry_count);
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+				"%s: index[%d] relogin timed out-retrying"
+				" relogin (%d), retry (%d)\n", __func__,
+				ddb_entry->fw_ddb_index,
+				atomic_read(&ddb_entry->relogin_retry_count),
+				ddb_entry->default_time2wait + 4));
+			set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+			atomic_set(&ddb_entry->retry_relogin_timer,
+				   ddb_entry->default_time2wait + 4);
+		}
+	}
+}
+
 /**
  * qla4xxx_timer - checks every second for work to do.
  * @ha: Pointer to host adapter structure.
@@ -1809,6 +2124,8 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
 	int start_dpc = 0;
 	uint16_t w;
 
+	iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
+
 	/* If we are in the middle of AER/EEH processing
 	 * skip any processing and reschedule the timer
 	 */
@@ -2078,7 +2395,12 @@ static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
 	sess = cls_session->dd_data;
 	ddb_entry = sess->dd_data;
 	ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
-	iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+
+	if (ddb_entry->ddb_type == FLASH_DDB)
+		iscsi_block_session(ddb_entry->sess);
+	else
+		iscsi_session_failure(cls_session->dd_data,
+				      ISCSI_ERR_CONN_FAILED);
 }
 
 /**
@@ -2163,7 +2485,7 @@ recover_ha_init_adapter:
 
 		/* NOTE: AF_ONLINE flag set upon successful completion of
 		 *       qla4xxx_initialize_adapter */
-		status = qla4xxx_initialize_adapter(ha);
+		status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
 	}
 
 	/* Retry failed adapter initialization, if necessary
@@ -2245,17 +2567,108 @@ static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
 			iscsi_unblock_session(ddb_entry->sess);
 		} else {
 			/* Trigger relogin */
-			iscsi_session_failure(cls_session->dd_data,
-					      ISCSI_ERR_CONN_FAILED);
+			if (ddb_entry->ddb_type == FLASH_DDB) {
+				if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
+					qla4xxx_arm_relogin_timer(ddb_entry);
+			} else
+				iscsi_session_failure(cls_session->dd_data,
+						      ISCSI_ERR_CONN_FAILED);
 		}
 	}
 }
 
+int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_session->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+	ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+		   " unblock session\n", ha->host_no, __func__,
+		   ddb_entry->fw_ddb_index);
+
+	iscsi_unblock_session(ddb_entry->sess);
+
+	/* Start scan target */
+	if (test_bit(AF_ONLINE, &ha->flags)) {
+		ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+			   " start scan\n", ha->host_no, __func__,
+			   ddb_entry->fw_ddb_index);
+		scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
+	}
+	return QLA_SUCCESS;
+}
+
+int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_session->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+	ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+		   " unblock user space session\n", ha->host_no, __func__,
+		   ddb_entry->fw_ddb_index);
+	iscsi_conn_start(ddb_entry->conn);
+	iscsi_conn_login_event(ddb_entry->conn,
+			       ISCSI_CONN_STATE_LOGGED_IN);
+
+	return QLA_SUCCESS;
+}
+
 static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
 {
 	iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
 }
 
+static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
+{
+	uint16_t relogin_timer;
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	relogin_timer = max(ddb_entry->default_relogin_timeout,
+			    (uint16_t)RELOGIN_TOV);
+	atomic_set(&ddb_entry->relogin_timer, relogin_timer);
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
+			  ddb_entry->fw_ddb_index, relogin_timer));
+
+	qla4xxx_login_flash_ddb(cls_sess);
+}
+
+static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	if (!(ddb_entry->ddb_type == FLASH_DDB))
+		return;
+
+	if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
+	    !iscsi_is_session_online(cls_sess)) {
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "relogin issued\n"));
+		qla4xxx_relogin_flash_ddb(cls_sess);
+	}
+}
+
 void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
 {
 	if (ha->dpc_thread)
@@ -2356,6 +2769,12 @@ dpc_post_reset_ha:
 	if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
 		qla4xxx_get_dhcp_ip_address(ha);
 
+	/* ---- relogin device? --- */
+	if (adapter_up(ha) &&
+	    test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
+		iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
+	}
+
 	/* ---- link change? --- */
 	if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
 		if (!test_bit(AF_LINK_UP, &ha->flags)) {
@@ -2368,8 +2787,12 @@ dpc_post_reset_ha:
 			 * fatal error recovery.  Therefore, the driver must
 			 * manually relogin to devices when recovering from
 			 * connection failures, logouts, expired KATO, etc. */
-
-			qla4xxx_relogin_all_devices(ha);
+			if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
+				qla4xxx_build_ddb_list(ha, ha->is_reset);
+				iscsi_host_for_each_session(ha->host,
+						qla4xxx_login_flash_ddb);
+			} else
+				qla4xxx_relogin_all_devices(ha);
 		}
 	}
 }
@@ -2867,6 +3290,9 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
 			  " target ID %d\n", __func__, ddb_index[0],
 			  ddb_index[1]));
 
+	ha->pri_ddb_idx = ddb_index[0];
+	ha->sec_ddb_idx = ddb_index[1];
+
 exit_boot_info_free:
 	dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
 exit_boot_info:
@@ -3034,6 +3460,9 @@ static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
 		return ret;
 	}
 
+	if (ql4xdisablesysfsboot)
+		return QLA_SUCCESS;
+
 	if (ddb_index[0] == 0xffff)
 		goto sec_target;
 
@@ -3066,7 +3495,15 @@ static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
 	struct iscsi_boot_kobj *boot_kobj;
 
 	if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
-		return 0;
+		return QLA_ERROR;
+
+	if (ql4xdisablesysfsboot) {
+		ql4_printk(KERN_INFO, ha,
+			   "%s: syfsboot disabled - driver will trigger login"
+			   "and publish session for discovery .\n", __func__);
+		return QLA_SUCCESS;
+	}
+
 
 	ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
 	if (!ha->boot_kset)
@@ -3108,7 +3545,7 @@ static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
 	if (!boot_kobj)
 		goto put_host;
 
-	return 0;
+	return QLA_SUCCESS;
 
 put_host:
 	scsi_host_put(ha->host);
@@ -3174,9 +3611,507 @@ static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
 exit_chap_list:
 	dma_free_coherent(&ha->pdev->dev, chap_size,
 			chap_flash_data, chap_dma);
-	return;
 }
 
+static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
+				  struct ql4_tuple_ddb *tddb)
+{
+	struct scsi_qla_host *ha;
+	struct iscsi_cls_session *cls_sess;
+	struct iscsi_cls_conn *cls_conn;
+	struct iscsi_session *sess;
+	struct iscsi_conn *conn;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	ha = ddb_entry->ha;
+	cls_sess = ddb_entry->sess;
+	sess = cls_sess->dd_data;
+	cls_conn = ddb_entry->conn;
+	conn = cls_conn->dd_data;
+
+	tddb->tpgt = sess->tpgt;
+	tddb->port = conn->persistent_port;
+	strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
+	strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
+}
+
+static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
+				      struct ql4_tuple_ddb *tddb)
+{
+	uint16_t options = 0;
+
+	tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+	memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
+	       min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
+
+	options = le16_to_cpu(fw_ddb_entry->options);
+	if (options & DDB_OPT_IPV6_DEVICE)
+		sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
+	else
+		sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
+
+	tddb->port = le16_to_cpu(fw_ddb_entry->port);
+}
+
+static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
+				     struct ql4_tuple_ddb *old_tddb,
+				     struct ql4_tuple_ddb *new_tddb)
+{
+	if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
+		return QLA_ERROR;
+
+	if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
+		return QLA_ERROR;
+
+	if (old_tddb->port != new_tddb->port)
+		return QLA_ERROR;
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
+			  old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
+			  old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
+			  new_tddb->ip_addr, new_tddb->iscsi_name));
+
+	return QLA_SUCCESS;
+}
+
+static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
+				     struct dev_db_entry *fw_ddb_entry)
+{
+	struct ddb_entry *ddb_entry;
+	struct ql4_tuple_ddb *fw_tddb = NULL;
+	struct ql4_tuple_ddb *tmp_tddb = NULL;
+	int idx;
+	int ret = QLA_ERROR;
+
+	fw_tddb = vzalloc(sizeof(*fw_tddb));
+	if (!fw_tddb) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "Memory Allocation failed.\n"));
+		ret = QLA_SUCCESS;
+		goto exit_check;
+	}
+
+	tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+	if (!tmp_tddb) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "Memory Allocation failed.\n"));
+		ret = QLA_SUCCESS;
+		goto exit_check;
+	}
+
+	qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+
+	for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+		ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+		if (ddb_entry == NULL)
+			continue;
+
+		qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
+		if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+			ret = QLA_SUCCESS; /* found */
+			goto exit_check;
+		}
+	}
+
+exit_check:
+	if (fw_tddb)
+		vfree(fw_tddb);
+	if (tmp_tddb)
+		vfree(tmp_tddb);
+	return ret;
+}
+
+static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
+				       struct list_head *list_nt,
+				       struct dev_db_entry *fw_ddb_entry)
+{
+	struct qla_ddb_index  *nt_ddb_idx, *nt_ddb_idx_tmp;
+	struct ql4_tuple_ddb *fw_tddb = NULL;
+	struct ql4_tuple_ddb *tmp_tddb = NULL;
+	int ret = QLA_ERROR;
+
+	fw_tddb = vzalloc(sizeof(*fw_tddb));
+	if (!fw_tddb) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "Memory Allocation failed.\n"));
+		ret = QLA_SUCCESS;
+		goto exit_check;
+	}
+
+	tmp_tddb = vzalloc(sizeof(*tmp_tddb));
+	if (!tmp_tddb) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "Memory Allocation failed.\n"));
+		ret = QLA_SUCCESS;
+		goto exit_check;
+	}
+
+	qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb);
+
+	list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+		qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb);
+		if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) {
+			ret = QLA_SUCCESS; /* found */
+			goto exit_check;
+		}
+	}
+
+exit_check:
+	if (fw_tddb)
+		vfree(fw_tddb);
+	if (tmp_tddb)
+		vfree(tmp_tddb);
+	return ret;
+}
+
+static void qla4xxx_free_nt_list(struct list_head *list_nt)
+{
+	struct qla_ddb_index  *nt_ddb_idx, *nt_ddb_idx_tmp;
+
+	/* Free up the normaltargets list */
+	list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
+		list_del_init(&nt_ddb_idx->list);
+		vfree(nt_ddb_idx);
+	}
+
+}
+
+static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
+					struct dev_db_entry *fw_ddb_entry)
+{
+	struct iscsi_endpoint *ep;
+	struct sockaddr_in *addr;
+	struct sockaddr_in6 *addr6;
+	struct sockaddr *dst_addr;
+	char *ip;
+
+	/* TODO: need to destroy on unload iscsi_endpoint*/
+	dst_addr = vmalloc(sizeof(*dst_addr));
+	if (!dst_addr)
+		return NULL;
+
+	if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
+		dst_addr->sa_family = AF_INET6;
+		addr6 = (struct sockaddr_in6 *)dst_addr;
+		ip = (char *)&addr6->sin6_addr;
+		memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
+		addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
+
+	} else {
+		dst_addr->sa_family = AF_INET;
+		addr = (struct sockaddr_in *)dst_addr;
+		ip = (char *)&addr->sin_addr;
+		memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
+		addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
+	}
+
+	ep = qla4xxx_ep_connect(ha->host, dst_addr, 0);
+	vfree(dst_addr);
+	return ep;
+}
+
+static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
+{
+	if (ql4xdisablesysfsboot)
+		return QLA_SUCCESS;
+	if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
+		return QLA_ERROR;
+	return QLA_SUCCESS;
+}
+
+static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
+					  struct ddb_entry *ddb_entry)
+{
+	ddb_entry->ddb_type = FLASH_DDB;
+	ddb_entry->fw_ddb_index = INVALID_ENTRY;
+	ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
+	ddb_entry->ha = ha;
+	ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
+	ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
+
+	atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
+	atomic_set(&ddb_entry->relogin_timer, 0);
+	atomic_set(&ddb_entry->relogin_retry_count, 0);
+
+	ddb_entry->default_relogin_timeout =
+		le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
+	ddb_entry->default_time2wait =
+		le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
+}
+
+static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
+{
+	uint32_t idx = 0;
+	uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
+	uint32_t sts[MBOX_REG_COUNT];
+	uint32_t ip_state;
+	unsigned long wtime;
+	int ret;
+
+	wtime = jiffies + (HZ * IP_CONFIG_TOV);
+	do {
+		for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
+			if (ip_idx[idx] == -1)
+				continue;
+
+			ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
+
+			if (ret == QLA_ERROR) {
+				ip_idx[idx] = -1;
+				continue;
+			}
+
+			ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
+
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+					  "Waiting for IP state for idx = %d, state = 0x%x\n",
+					  ip_idx[idx], ip_state));
+			if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
+			    ip_state == IP_ADDRSTATE_INVALID ||
+			    ip_state == IP_ADDRSTATE_PREFERRED ||
+			    ip_state == IP_ADDRSTATE_DEPRICATED ||
+			    ip_state == IP_ADDRSTATE_DISABLING)
+				ip_idx[idx] = -1;
+
+		}
+
+		/* Break if all IP states checked */
+		if ((ip_idx[0] == -1) &&
+		    (ip_idx[1] == -1) &&
+		    (ip_idx[2] == -1) &&
+		    (ip_idx[3] == -1))
+			break;
+		schedule_timeout_uninterruptible(HZ);
+	} while (time_after(wtime, jiffies));
+}
+
+void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
+{
+	int max_ddbs;
+	int ret;
+	uint32_t idx = 0, next_idx = 0;
+	uint32_t state = 0, conn_err = 0;
+	uint16_t conn_id;
+	struct dev_db_entry *fw_ddb_entry;
+	struct ddb_entry *ddb_entry = NULL;
+	dma_addr_t fw_ddb_dma;
+	struct iscsi_cls_session *cls_sess;
+	struct iscsi_session *sess;
+	struct iscsi_cls_conn *cls_conn;
+	struct iscsi_endpoint *ep;
+	uint16_t cmds_max = 32, tmo = 0;
+	uint32_t initial_cmdsn = 0;
+	struct list_head list_st, list_nt; /* List of sendtargets */
+	struct qla_ddb_index  *st_ddb_idx, *st_ddb_idx_tmp;
+	int fw_idx_size;
+	unsigned long wtime;
+	struct qla_ddb_index  *nt_ddb_idx;
+
+	if (!test_bit(AF_LINK_UP, &ha->flags)) {
+		set_bit(AF_BUILD_DDB_LIST, &ha->flags);
+		ha->is_reset = is_reset;
+		return;
+	}
+	max_ddbs =  is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+				     MAX_DEV_DB_ENTRIES;
+
+	fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+				      &fw_ddb_dma);
+	if (fw_ddb_entry == NULL) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
+		goto exit_ddb_list;
+	}
+
+	INIT_LIST_HEAD(&list_st);
+	INIT_LIST_HEAD(&list_nt);
+	fw_idx_size = sizeof(struct qla_ddb_index);
+
+	for (idx = 0; idx < max_ddbs; idx = next_idx) {
+		ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+					      fw_ddb_dma, NULL,
+					      &next_idx, &state, &conn_err,
+					      NULL, &conn_id);
+		if (ret == QLA_ERROR)
+			break;
+
+		if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+			goto continue_next_st;
+
+		/* Check if ST, add to the list_st */
+		if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
+			goto continue_next_st;
+
+		st_ddb_idx = vzalloc(fw_idx_size);
+		if (!st_ddb_idx)
+			break;
+
+		st_ddb_idx->fw_ddb_idx = idx;
+
+		list_add_tail(&st_ddb_idx->list, &list_st);
+continue_next_st:
+		if (next_idx == 0)
+			break;
+	}
+
+	/* Before issuing conn open mbox, ensure all IPs states are configured
+	 * Note, conn open fails if IPs are not configured
+	 */
+	qla4xxx_wait_for_ip_configuration(ha);
+
+	/* Go thru the STs and fire the sendtargets by issuing conn open mbx */
+	list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+		qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
+	}
+
+	/* Wait to ensure all sendtargets are done for min 12 sec wait */
+	tmo = ((ha->def_timeout < LOGIN_TOV) ? LOGIN_TOV : ha->def_timeout);
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Default time to wait for build ddb %d\n", tmo));
+
+	wtime = jiffies + (HZ * tmo);
+	do {
+		list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st,
+					 list) {
+			ret = qla4xxx_get_fwddb_entry(ha,
+						      st_ddb_idx->fw_ddb_idx,
+						      NULL, 0, NULL, &next_idx,
+						      &state, &conn_err, NULL,
+						      NULL);
+			if (ret == QLA_ERROR)
+				continue;
+
+			if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+			    state == DDB_DS_SESSION_FAILED) {
+				list_del_init(&st_ddb_idx->list);
+				vfree(st_ddb_idx);
+			}
+		}
+		schedule_timeout_uninterruptible(HZ / 10);
+	} while (time_after(wtime, jiffies));
+
+	/* Free up the sendtargets list */
+	list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
+		list_del_init(&st_ddb_idx->list);
+		vfree(st_ddb_idx);
+	}
+
+	for (idx = 0; idx < max_ddbs; idx = next_idx) {
+		ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry,
+					      fw_ddb_dma, NULL,
+					      &next_idx, &state, &conn_err,
+					      NULL, &conn_id);
+		if (ret == QLA_ERROR)
+			break;
+
+		if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
+			goto continue_next_nt;
+
+		/* Check if NT, then add to list it */
+		if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
+			goto continue_next_nt;
+
+		if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+		    state == DDB_DS_SESSION_FAILED) {
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+					  "Adding  DDB to session = 0x%x\n",
+					  idx));
+			if (is_reset == INIT_ADAPTER) {
+				nt_ddb_idx = vmalloc(fw_idx_size);
+				if (!nt_ddb_idx)
+					break;
+
+				nt_ddb_idx->fw_ddb_idx = idx;
+
+				memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
+				       sizeof(struct dev_db_entry));
+
+				if (qla4xxx_is_flash_ddb_exists(ha, &list_nt,
+						fw_ddb_entry) == QLA_SUCCESS) {
+					vfree(nt_ddb_idx);
+					goto continue_next_nt;
+				}
+				list_add_tail(&nt_ddb_idx->list, &list_nt);
+			} else if (is_reset == RESET_ADAPTER) {
+				if (qla4xxx_is_session_exists(ha,
+						   fw_ddb_entry) == QLA_SUCCESS)
+					goto continue_next_nt;
+			}
+
+			/* Create session object, with INVALID_ENTRY,
+			 * the targer_id would get set when we issue the login
+			 */
+			cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport,
+						ha->host, cmds_max,
+						sizeof(struct ddb_entry),
+						sizeof(struct ql4_task_data),
+						initial_cmdsn, INVALID_ENTRY);
+			if (!cls_sess)
+				goto exit_ddb_list;
+
+			/*
+			 * iscsi_session_setup increments the driver reference
+			 * count which wouldn't let the driver to be unloaded.
+			 * so calling module_put function to decrement the
+			 * reference count.
+			 **/
+			module_put(qla4xxx_iscsi_transport.owner);
+			sess = cls_sess->dd_data;
+			ddb_entry = sess->dd_data;
+			ddb_entry->sess = cls_sess;
+
+			cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
+			memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
+			       sizeof(struct dev_db_entry));
+
+			qla4xxx_setup_flash_ddb_entry(ha, ddb_entry);
+
+			cls_conn = iscsi_conn_setup(cls_sess,
+						    sizeof(struct qla_conn),
+						    conn_id);
+			if (!cls_conn)
+				goto exit_ddb_list;
+
+			ddb_entry->conn = cls_conn;
+
+			/* Setup ep, for displaying attributes in sysfs */
+			ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
+			if (ep) {
+				ep->conn = cls_conn;
+				cls_conn->ep = ep;
+			} else {
+				DEBUG2(ql4_printk(KERN_ERR, ha,
+						  "Unable to get ep\n"));
+			}
+
+			/* Update sess/conn params */
+			qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess,
+						 cls_conn);
+
+			if (is_reset == RESET_ADAPTER) {
+				iscsi_block_session(cls_sess);
+				/* Use the relogin path to discover new devices
+				 *  by short-circuting the logic of setting
+				 *  timer to relogin - instead set the flags
+				 *  to initiate login right away.
+				 */
+				set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
+				set_bit(DF_RELOGIN, &ddb_entry->flags);
+			}
+		}
+continue_next_nt:
+		if (next_idx == 0)
+			break;
+	}
+exit_ddb_list:
+	qla4xxx_free_nt_list(&list_nt);
+	if (fw_ddb_entry)
+		dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
+
+	qla4xxx_free_ddb_index(ha);
+}
+
+
 /**
  * qla4xxx_probe_adapter - callback function to probe HBA
  * @pdev: pointer to pci_dev structure
@@ -3298,7 +4233,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	 * firmware
 	 * NOTE: interrupts enabled upon successful completion
 	 */
-	status = qla4xxx_initialize_adapter(ha);
+	status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
 	while ((!test_bit(AF_ONLINE, &ha->flags)) &&
 	    init_retry_count++ < MAX_INIT_RETRIES) {
 
@@ -3319,7 +4254,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 		if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
 			continue;
 
-		status = qla4xxx_initialize_adapter(ha);
+		status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
 	}
 
 	if (!test_bit(AF_ONLINE, &ha->flags)) {
@@ -3386,12 +4321,16 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	       ha->host_no, ha->firmware_version[0], ha->firmware_version[1],
 	       ha->patch_number, ha->build_number);
 
-	qla4xxx_create_chap_list(ha);
-
 	if (qla4xxx_setup_boot_info(ha))
 		ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
 			   __func__);
 
+		/* Perform the build ddb list and login to each */
+	qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
+	iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
+
+	qla4xxx_create_chap_list(ha);
+
 	qla4xxx_create_ifaces(ha);
 	return 0;
 
@@ -3449,6 +4388,38 @@ static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
 	}
 }
 
+static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
+{
+	struct ddb_entry *ddb_entry;
+	int options;
+	int idx;
+
+	for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
+
+		ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
+		if ((ddb_entry != NULL) &&
+		    (ddb_entry->ddb_type == FLASH_DDB)) {
+
+			options = LOGOUT_OPTION_CLOSE_SESSION;
+			if (qla4xxx_session_logout_ddb(ha, ddb_entry, options)
+			    == QLA_ERROR)
+				ql4_printk(KERN_ERR, ha, "%s: Logout failed\n",
+					   __func__);
+
+			qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
+			/*
+			 * we have decremented the reference count of the driver
+			 * when we setup the session to have the driver unload
+			 * to be seamless without actually destroying the
+			 * session
+			 **/
+			try_module_get(qla4xxx_iscsi_transport.owner);
+			iscsi_destroy_endpoint(ddb_entry->conn->ep);
+			qla4xxx_free_ddb(ha, ddb_entry);
+			iscsi_session_teardown(ddb_entry->sess);
+		}
+	}
+}
 /**
  * qla4xxx_remove_adapter - calback function to remove adapter.
  * @pci_dev: PCI device pointer
@@ -3465,9 +4436,11 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
 	/* destroy iface from sysfs */
 	qla4xxx_destroy_ifaces(ha);
 
-	if (ha->boot_kset)
+	if ((!ql4xdisablesysfsboot) && ha->boot_kset)
 		iscsi_boot_destroy_kset(ha->boot_kset);
 
+	qla4xxx_destroy_fw_ddb_session(ha);
+
 	scsi_remove_host(ha->host);
 
 	qla4xxx_free_adapter(ha);
@@ -4115,7 +5088,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
 
 		qla4_8xxx_idc_unlock(ha);
 		clear_bit(AF_FW_RECOVERY, &ha->flags);
-		rval = qla4xxx_initialize_adapter(ha);
+		rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
 		qla4_8xxx_idc_lock(ha);
 
 		if (rval != QLA_SUCCESS) {
@@ -4151,7 +5124,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
 		if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
 		    QLA82XX_DEV_READY)) {
 			clear_bit(AF_FW_RECOVERY, &ha->flags);
-			rval = qla4xxx_initialize_adapter(ha);
+			rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
 			if (rval == QLA_SUCCESS) {
 				ret = qla4xxx_request_irqs(ha);
 				if (ret) {
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index c15347d3f532..5254e57968f5 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,4 +5,4 @@
  * See LICENSE.qla4xxx for copyright and licensing details.
  */
 
-#define QLA4XXX_DRIVER_VERSION	"5.02.00-k8"
+#define QLA4XXX_DRIVER_VERSION	"5.02.00-k9"
-- 
GitLab


From e1cd89c507b41e4021ce6fb0d19d230f6a932ccd Mon Sep 17 00:00:00 2001
From: Tomas Henzl <thenzl@redhat.com>
Date: Thu, 1 Dec 2011 21:38:42 -0600
Subject: [PATCH 1452/1594] [SCSI] qla4xxx: a small loop fix

When the qla4xxx_get_fwddb_entry returns QLA_ERROR
the nex_idx is not updated,
      for (idx = 0; idx < max_ddbs; idx = next_idx) {
                ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
                                              &next_idx, &state, &conn_err,
                                                NULL, NULL);
                if (ret == QLA_ERROR)
                        continue;

This means there is a risk that the 'idx < max_ddbs' condition will never
met and the loop will loop forever.
Fix this by explicitly increasing the next_idx in the error condition.

Maybe a break instead of continue is more appropriate, leaving the decision
on the qlogic maintainer.

Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla4xxx/ql4_init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 0497873a1dd2..1bdfa8120ac8 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -787,8 +787,10 @@ void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
 		ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
 					      &next_idx, &state, &conn_err,
 						NULL, NULL);
-		if (ret == QLA_ERROR)
+		if (ret == QLA_ERROR) {
+			next_idx++;
 			continue;
+		}
 		if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
 		    state == DDB_DS_SESSION_FAILED) {
 			DEBUG2(ql4_printk(KERN_INFO, ha,
-- 
GitLab


From ff1d0319ac6a5fd859884b30c0a3cb6733b8fb2d Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Thu, 1 Dec 2011 21:38:43 -0600
Subject: [PATCH 1453/1594] [SCSI] qla4xxx: check for failed conn setup

iscsi_conn_setup can fail so we must check for NULL being
returned.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/qla4xxx/ql4_os.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 95910c9b4776..4169c8baa112 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -1207,6 +1207,9 @@ qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
 	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
 	cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
 				    conn_idx);
+	if (!cls_conn)
+		return NULL;
+
 	sess = cls_sess->dd_data;
 	ddb_entry = sess->dd_data;
 	ddb_entry->conn = cls_conn;
-- 
GitLab


From cd5cfce856684e13b9b57d46b78bb827e9c4da3c Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 12 Dec 2011 09:23:48 -0500
Subject: [PATCH 1454/1594] drm/radeon/kms: add some new pci ids

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=43739

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 include/drm/drm_pciids.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 4e4fbb820e20..14b6cd022284 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -182,8 +182,11 @@
 	{0x1002, 0x6748, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6759, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x675B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x675D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x675F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6761, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -195,8 +198,10 @@
 	{0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x677B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6840, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6841, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x6842, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -246,6 +251,7 @@
 	{0x1002, 0x68f2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x68f8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x68f9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68fa, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x68fe, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x7100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x7101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -488,6 +494,8 @@
 	{0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x964e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x964f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x9710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
@@ -502,6 +510,8 @@
 	{0x1002, 0x9805, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0, 0, 0}
 
 #define r128_PCI_IDS \
-- 
GitLab


From a878185c3b93e692ace0d1628a47f3d75504ab4f Mon Sep 17 00:00:00 2001
From: Eddie Wai <eddie.wai@broadcom.com>
Date: Tue, 6 Dec 2011 22:41:21 -0800
Subject: [PATCH 1455/1594] [SCSI] bnx2i: Fixed kernel panic caused by
 unprotected task->sc->request deref

During session recovery, the conn_stop call will trigger a flush
to all outstanding SCSI cmds in the xmit queue.  This will set
all outstanding task->sc to NULL prior to the session_teardown
call which frees the task memory.

In the bnx2i SCSI response processing path, only the task was being checked
for NULL under the session lock before the task->sc->request dereferencing.
If there are outstanding SCSI cmd responses pending for process, the
following kernel panic can be exposed where task->sc was found to be NULL.

 Call Trace:
[   69.720205]  [<ffffffffa040d0d0>] bnx2i_process_new_cqes+0x290/0x3c0 [bnx2i]
[   69.804289]  [<ffffffffa040d233>] bnx2i_fastpath_notification+0x33/0xa0 [bnx2
i]
[   69.891490]  [<ffffffffa040d37b>] bnx2i_indicate_kcqe+0xdb/0x330 [bnx2i]
[   69.971427]  [<ffffffffa03eac5e>] service_kcqes+0x16e/0x1d0 [cnic]
[   70.045132]  [<ffffffffa03eacea>] cnic_service_bnx2x_kcq+0x2a/0x50 [cnic]
[   70.126105]  [<ffffffffa03ead53>] cnic_service_bnx2x_bh+0x43/0x140 [cnic]
[   70.207081]  [<ffffffff81060676>] tasklet_action+0x66/0x110
[   70.273521]  [<ffffffff8106025f>] __do_softirq+0xef/0x220
[   70.337887]  [<ffffffff81447ebc>] call_softirq+0x1c/0x30

This patch adds the !task->sc check and also protects the sc dereferencing
under the session lock.

Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/bnx2i/bnx2i_hwi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index dba72a4e6a1c..1ad0b8225560 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -1906,18 +1906,19 @@ static int bnx2i_queue_scsi_cmd_resp(struct iscsi_session *session,
 	spin_lock(&session->lock);
 	task = iscsi_itt_to_task(bnx2i_conn->cls_conn->dd_data,
 				 cqe->itt & ISCSI_CMD_RESPONSE_INDEX);
-	if (!task) {
+	if (!task || !task->sc) {
 		spin_unlock(&session->lock);
 		return -EINVAL;
 	}
 	sc = task->sc;
-	spin_unlock(&session->lock);
 
 	if (!blk_rq_cpu_valid(sc->request))
 		cpu = smp_processor_id();
 	else
 		cpu = sc->request->cpu;
 
+	spin_unlock(&session->lock);
+
 	p = &per_cpu(bnx2i_percpu, cpu);
 	spin_lock(&p->p_work_lock);
 	if (unlikely(!p->iothread)) {
-- 
GitLab


From b51306c63449d7f06ffa689036ba49eb46e898b5 Mon Sep 17 00:00:00 2001
From: Ajaykumar Hotchandani <ajaykumar.hotchandani@oracle.com>
Date: Mon, 12 Dec 2011 13:57:36 +0530
Subject: [PATCH 1456/1594] PCI: Set device power state to PCI_D0 for device
 without native PM support

During test of one IB card with guest VM, found that, msi is not
initialized properly.

It turns out __write_msi_msg will do nothing if device current_state is
not PCI_D0.  And, that pci device does not have pm_cap in guest VM.

There is an error in setting of power state to PCI_D0 in
pci_enable_device(), but error is not returned for this.  Following is
code flow:

pci_enable_device() -->   __pci_enable_device_flags() -->
do_pci_enable_device() -->   pci_set_power_state() -->
__pci_start_power_transition()

We have following condition inside __pci_start_power_transition():
         if (platform_pci_power_manageable(dev)) {
                 error = platform_pci_set_power_state(dev, state);
                 if (!error)
                         pci_update_current_state(dev, state);
         } else {
                 error = -ENODEV;
                 /* Fall back to PCI_D0 if native PM is not supported */
                 if (!dev->pm_cap)
                         dev->current_state = PCI_D0;
         }

Here, from platform_pci_set_power_state(), acpi_pci_set_power_state() is
getting called and that is failing with ENODEV because of following
condition:

         if (!handle || ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0",&tmp)))
                 return -ENODEV;

Because of that, pci_update_current_state() is not getting called.

With this patch, if device power state can not be set via
platform_pci_set_power_state and that device does not have native pm
support, then PCI device power state will be set to PCI_D0.

-v2: This also reverts 47e9037ac16637cd7f12b8790ea7ce6680e42168, as it's
     not needed after this change.

Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Ajaykumar Hotchandani<ajaykumar.hotchandani@oracle.com>
Signed-off-by: Yinghai Lu<yinghai.lu@oracle.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/acpiphp_glue.c | 1 -
 drivers/pci/pci.c                  | 3 +++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 68360d5b494a..9ddf69e3bbef 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -225,7 +225,6 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
 
 	pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
 	if (pdev) {
-		pdev->current_state = PCI_D0;
 		slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
 		pci_dev_put(pdev);
 	}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 4788413f43d7..faccb8937706 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -664,6 +664,9 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
 		error = platform_pci_set_power_state(dev, state);
 		if (!error)
 			pci_update_current_state(dev, state);
+		/* Fall back to PCI_D0 if native PM is not supported */
+		if (!dev->pm_cap)
+			dev->current_state = PCI_D0;
 	} else {
 		error = -ENODEV;
 		/* Fall back to PCI_D0 if native PM is not supported */
-- 
GitLab


From 51e708c1049e721b9c5c48d026bc97ca8497d39a Mon Sep 17 00:00:00 2001
From: Yogesh Ashok Powar <yogeshp@marvell.com>
Date: Tue, 13 Dec 2011 20:43:16 -0800
Subject: [PATCH 1457/1594] mwifiex: avoid double list_del in command cancel
 path

Command cancel path cancels the current command and moves
it to free command queue. While doing that it deletes the
command entry from the pending list. This is not correct
as the entry has been already deleted from the pending
list at 'mwifiex_exec_next_cmd'. Fixing it.

Also making sure the stale command pointer is cleaned and
unaccessible for later use.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwifiex/cmdevt.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index ac278156d390..6e0a3eaecf70 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -939,7 +939,6 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
 {
 	struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL;
 	unsigned long cmd_flags;
-	unsigned long cmd_pending_q_flags;
 	unsigned long scan_pending_q_flags;
 	uint16_t cancel_scan_cmd = false;
 
@@ -949,12 +948,9 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
 		cmd_node = adapter->curr_cmd;
 		cmd_node->wait_q_enabled = false;
 		cmd_node->cmd_flag |= CMD_F_CANCELED;
-		spin_lock_irqsave(&adapter->cmd_pending_q_lock,
-				  cmd_pending_q_flags);
-		list_del(&cmd_node->list);
-		spin_unlock_irqrestore(&adapter->cmd_pending_q_lock,
-				       cmd_pending_q_flags);
 		mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+		mwifiex_complete_cmd(adapter, adapter->curr_cmd);
+		adapter->curr_cmd = NULL;
 		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);
 	}
 
@@ -981,7 +977,6 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
 		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);
 	}
 	adapter->cmd_wait_q.status = -1;
-	mwifiex_complete_cmd(adapter, adapter->curr_cmd);
 }
 
 /*
-- 
GitLab


From 81670a491849127cd5f86defd2cd03cef1b08d07 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 14 Dec 2011 08:22:35 -0800
Subject: [PATCH 1458/1594] iwlwifi: tx_sync only on PAN context

Ted reported that he couldn't connect to some APs
and bisected it to the tx_sync implementation.
Disable it for the BSS context to fix this issue.

Reported-by: Ted Ts'o <tytso@mit.edu>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index bacc06c95e7a..e0e9a3dfbc00 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2850,6 +2850,9 @@ static int iwlagn_mac_tx_sync(struct ieee80211_hw *hw,
 	int ret;
 	u8 sta_id;
 
+	if (ctx->ctxid != IWL_RXON_CTX_PAN)
+		return 0;
+
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 	mutex_lock(&priv->shrd->mutex);
 
@@ -2898,6 +2901,9 @@ static void iwlagn_mac_finish_tx_sync(struct ieee80211_hw *hw,
 	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 	struct iwl_rxon_context *ctx = vif_priv->ctx;
 
+	if (ctx->ctxid != IWL_RXON_CTX_PAN)
+		return;
+
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 	mutex_lock(&priv->shrd->mutex);
 
-- 
GitLab


From 78feb35b8161acd95c33a703ed6ab6f554d29387 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Wed, 14 Dec 2011 08:22:36 -0800
Subject: [PATCH 1459/1594] iwlwifi: allow to switch to HT40 if not associated

My previous patch
34a5b4b6af104cf18eb50748509528b9bdbc4036 iwlwifi: do not re-configure
HT40 after associated

Fix the case of HT40 after association on specified AP, but it break the
association for some APs and cause not able to establish connection.
We need to address HT40 before and after addociation.

CC: stable@vger.kernel.org #3.0+
Reported-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Tested-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index a7a6def40d05..5c7c17c7166a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -606,8 +606,8 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
 			if (ctx->ht.enabled) {
 				/* if HT40 is used, it should not change
 				 * after associated except channel switch */
-				if (iwl_is_associated_ctx(ctx) &&
-				     !ctx->ht.is_40mhz)
+				if (!ctx->ht.is_40mhz ||
+						!iwl_is_associated_ctx(ctx))
 					iwlagn_config_ht40(conf, ctx);
 			} else
 				ctx->ht.is_40mhz = false;
-- 
GitLab


From b1f44e13a525d2ffb7d5afe2273b7169d6f2222e Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 14 Dec 2011 10:05:22 -0800
Subject: [PATCH 1460/1594] sparc32: Be less strict in matching %lo part of
 relocation.

The "(insn & 0x01800000) != 0x01800000" test matches 'restore'
but that is a legitimate place to see the %lo() part of a 32-bit
symbol relocation, particularly in tail calls.

Signed-off-by: David S. Miller <davem@davemloft.net>
Tested-by: Sergei Trofimovich <slyfox@gentoo.org>
---
 arch/sparc/mm/btfixup.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/sparc/mm/btfixup.c b/arch/sparc/mm/btfixup.c
index 5175ac2f4820..8a7f81743c12 100644
--- a/arch/sparc/mm/btfixup.c
+++ b/arch/sparc/mm/btfixup.c
@@ -302,8 +302,7 @@ void __init btfixup(void)
 				case 'i':	/* INT */
 					if ((insn & 0xc1c00000) == 0x01000000) /* %HI */
 						set_addr(addr, q[1], fmangled, (insn & 0xffc00000) | (p[1] >> 10));
-					else if ((insn & 0x80002000) == 0x80002000 &&
-					         (insn & 0x01800000) != 0x01800000) /* %LO */
+					else if ((insn & 0x80002000) == 0x80002000) /* %LO */
 						set_addr(addr, q[1], fmangled, (insn & 0xffffe000) | (p[1] & 0x3ff));
 					else {
 						prom_printf(insn_i, p, addr, insn);
-- 
GitLab


From 248b122b131202de95aaa3670e48465619bdff14 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Wed, 14 Dec 2011 21:59:30 +0200
Subject: [PATCH 1461/1594] usb: dwc3: core: fix cached revision on our
 structure

All our revision macros are defined with the entire
32-bits which we read from GSNPSID register, so we
must cache all 32-bits properly rather than masking
the top 16-bits.

This will fix all revision checks we have on current
driver.

Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/dwc3/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 717ebc9ff941..600d82348511 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -264,7 +264,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc)
 		ret = -ENODEV;
 		goto err0;
 	}
-	dwc->revision = reg & DWC3_GSNPSREV_MASK;
+	dwc->revision = reg;
 
 	dwc3_core_soft_reset(dwc);
 
-- 
GitLab


From 6f6c2aa33b915c574543f176dee89d7aefc115c1 Mon Sep 17 00:00:00 2001
From: john fastabend <john.r.fastabend@intel.com>
Date: Fri, 18 Nov 2011 13:35:56 -0800
Subject: [PATCH 1462/1594] [SCSI] fcoe: fix fcoe in a DCB environment by
 adding DCB notifiers to set skb priority

Use DCB notifiers to set the skb priority to allow packets
to be steered and tagged correctly over DCB enabled drivers
that setup traffic classes.

This allows queue_mapping() routines to be removed in these
drivers that were previously inspecting the ethertype of
every skb to mark FCoE/FIP frames.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
 drivers/scsi/fcoe/fcoe.c      | 115 ++++++++++++++++++++++++++++++++++
 drivers/scsi/fcoe/fcoe_ctlr.c |   4 ++
 include/scsi/libfcoe.h        |   3 +
 3 files changed, 122 insertions(+)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index f3f440c955f3..8d67467dd9ce 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -31,6 +31,8 @@
 #include <linux/sysfs.h>
 #include <linux/ctype.h>
 #include <linux/workqueue.h>
+#include <net/dcbnl.h>
+#include <net/dcbevent.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
 #include <scsi/scsi_transport.h>
@@ -101,6 +103,8 @@ static int fcoe_ddp_done(struct fc_lport *, u16);
 static int fcoe_ddp_target(struct fc_lport *, u16, struct scatterlist *,
 			   unsigned int);
 static int fcoe_cpu_callback(struct notifier_block *, unsigned long, void *);
+static int fcoe_dcb_app_notification(struct notifier_block *notifier,
+				     ulong event, void *ptr);
 
 static bool fcoe_match(struct net_device *netdev);
 static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode);
@@ -129,6 +133,11 @@ static struct notifier_block fcoe_cpu_notifier = {
 	.notifier_call = fcoe_cpu_callback,
 };
 
+/* notification function for DCB events */
+static struct notifier_block dcb_notifier = {
+	.notifier_call = fcoe_dcb_app_notification,
+};
+
 static struct scsi_transport_template *fcoe_nport_scsi_transport;
 static struct scsi_transport_template *fcoe_vport_scsi_transport;
 
@@ -1522,6 +1531,8 @@ int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 	skb_reset_network_header(skb);
 	skb->mac_len = elen;
 	skb->protocol = htons(ETH_P_FCOE);
+	skb->priority = port->priority;
+
 	if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN &&
 	    fcoe->realdev->features & NETIF_F_HW_VLAN_TX) {
 		skb->vlan_tci = VLAN_TAG_PRESENT |
@@ -1747,6 +1758,7 @@ int fcoe_percpu_receive_thread(void *arg)
  */
 static void fcoe_dev_setup(void)
 {
+	register_dcbevent_notifier(&dcb_notifier);
 	register_netdevice_notifier(&fcoe_notifier);
 }
 
@@ -1755,9 +1767,69 @@ static void fcoe_dev_setup(void)
  */
 static void fcoe_dev_cleanup(void)
 {
+	unregister_dcbevent_notifier(&dcb_notifier);
 	unregister_netdevice_notifier(&fcoe_notifier);
 }
 
+static struct fcoe_interface *
+fcoe_hostlist_lookup_realdev_port(struct net_device *netdev)
+{
+	struct fcoe_interface *fcoe;
+	struct net_device *real_dev;
+
+	list_for_each_entry(fcoe, &fcoe_hostlist, list) {
+		if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN)
+			real_dev = vlan_dev_real_dev(fcoe->netdev);
+		else
+			real_dev = fcoe->netdev;
+
+		if (netdev == real_dev)
+			return fcoe;
+	}
+	return NULL;
+}
+
+static int fcoe_dcb_app_notification(struct notifier_block *notifier,
+				     ulong event, void *ptr)
+{
+	struct dcb_app_type *entry = ptr;
+	struct fcoe_interface *fcoe;
+	struct net_device *netdev;
+	struct fcoe_port *port;
+	int prio;
+
+	if (entry->app.selector != DCB_APP_IDTYPE_ETHTYPE)
+		return NOTIFY_OK;
+
+	netdev = dev_get_by_index(&init_net, entry->ifindex);
+	if (!netdev)
+		return NOTIFY_OK;
+
+	fcoe = fcoe_hostlist_lookup_realdev_port(netdev);
+	dev_put(netdev);
+	if (!fcoe)
+		return NOTIFY_OK;
+
+	if (entry->dcbx & DCB_CAP_DCBX_VER_CEE)
+		prio = ffs(entry->app.priority) - 1;
+	else
+		prio = entry->app.priority;
+
+	if (prio < 0)
+		return NOTIFY_OK;
+
+	if (entry->app.protocol == ETH_P_FIP ||
+	    entry->app.protocol == ETH_P_FCOE)
+		fcoe->ctlr.priority = prio;
+
+	if (entry->app.protocol == ETH_P_FCOE) {
+		port = lport_priv(fcoe->ctlr.lp);
+		port->priority = prio;
+	}
+
+	return NOTIFY_OK;
+}
+
 /**
  * fcoe_device_notification() - Handler for net device events
  * @notifier: The context of the notification
@@ -1965,6 +2037,46 @@ static bool fcoe_match(struct net_device *netdev)
 	return true;
 }
 
+/**
+ * fcoe_dcb_create() - Initialize DCB attributes and hooks
+ * @netdev: The net_device object of the L2 link that should be queried
+ * @port: The fcoe_port to bind FCoE APP priority with
+ * @
+ */
+static void fcoe_dcb_create(struct fcoe_interface *fcoe)
+{
+#ifdef CONFIG_DCB
+	int dcbx;
+	u8 fup, up;
+	struct net_device *netdev = fcoe->realdev;
+	struct fcoe_port *port = lport_priv(fcoe->ctlr.lp);
+	struct dcb_app app = {
+				.priority = 0,
+				.protocol = ETH_P_FCOE
+			     };
+
+	/* setup DCB priority attributes. */
+	if (netdev && netdev->dcbnl_ops && netdev->dcbnl_ops->getdcbx) {
+		dcbx = netdev->dcbnl_ops->getdcbx(netdev);
+
+		if (dcbx & DCB_CAP_DCBX_VER_IEEE) {
+			app.selector = IEEE_8021QAZ_APP_SEL_ETHERTYPE;
+			up = dcb_ieee_getapp_mask(netdev, &app);
+			app.protocol = ETH_P_FIP;
+			fup = dcb_ieee_getapp_mask(netdev, &app);
+		} else {
+			app.selector = DCB_APP_IDTYPE_ETHTYPE;
+			up = dcb_getapp(netdev, &app);
+			app.protocol = ETH_P_FIP;
+			fup = dcb_getapp(netdev, &app);
+		}
+
+		port->priority = ffs(up) ? ffs(up) - 1 : 0;
+		fcoe->ctlr.priority = ffs(fup) ? ffs(fup) - 1 : port->priority;
+	}
+#endif
+}
+
 /**
  * fcoe_create() - Create a fcoe interface
  * @netdev  : The net_device object the Ethernet interface to create on
@@ -2008,6 +2120,9 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode)
 	/* Make this the "master" N_Port */
 	fcoe->ctlr.lp = lport;
 
+	/* setup DCB priority attributes. */
+	fcoe_dcb_create(fcoe);
+
 	/* add to lports list */
 	fcoe_hostlist_add(lport);
 
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index c74c4b8e71ef..e7522dcc296e 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -320,6 +320,7 @@ static void fcoe_ctlr_solicit(struct fcoe_ctlr *fip, struct fcoe_fcf *fcf)
 
 	skb_put(skb, sizeof(*sol));
 	skb->protocol = htons(ETH_P_FIP);
+	skb->priority = fip->priority;
 	skb_reset_mac_header(skb);
 	skb_reset_network_header(skb);
 	fip->send(fip, skb);
@@ -474,6 +475,7 @@ static void fcoe_ctlr_send_keep_alive(struct fcoe_ctlr *fip,
 	}
 	skb_put(skb, len);
 	skb->protocol = htons(ETH_P_FIP);
+	skb->priority = fip->priority;
 	skb_reset_mac_header(skb);
 	skb_reset_network_header(skb);
 	fip->send(fip, skb);
@@ -566,6 +568,7 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip, struct fc_lport *lport,
 	cap->fip.fip_dl_len = htons(dlen / FIP_BPW);
 
 	skb->protocol = htons(ETH_P_FIP);
+	skb->priority = fip->priority;
 	skb_reset_mac_header(skb);
 	skb_reset_network_header(skb);
 	return 0;
@@ -1911,6 +1914,7 @@ static void fcoe_ctlr_vn_send(struct fcoe_ctlr *fip,
 
 	skb_put(skb, len);
 	skb->protocol = htons(ETH_P_FIP);
+	skb->priority = fip->priority;
 	skb_reset_mac_header(skb);
 	skb_reset_network_header(skb);
 
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index d1e95c6ac776..5a35a2a2d3c5 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -147,6 +147,7 @@ struct fcoe_ctlr {
 	u8 map_dest;
 	u8 spma;
 	u8 probe_tries;
+	u8 priority;
 	u8 dest_addr[ETH_ALEN];
 	u8 ctl_src_addr[ETH_ALEN];
 
@@ -301,6 +302,7 @@ struct fcoe_percpu_s {
  * @lport:		       The associated local port
  * @fcoe_pending_queue:	       The pending Rx queue of skbs
  * @fcoe_pending_queue_active: Indicates if the pending queue is active
+ * @priority:		       Packet priority (DCB)
  * @max_queue_depth:	       Max queue depth of pending queue
  * @min_queue_depth:	       Min queue depth of pending queue
  * @timer:		       The queue timer
@@ -316,6 +318,7 @@ struct fcoe_port {
 	struct fc_lport	      *lport;
 	struct sk_buff_head   fcoe_pending_queue;
 	u8		      fcoe_pending_queue_active;
+	u8		      priority;
 	u32		      max_queue_depth;
 	u32		      min_queue_depth;
 	struct timer_list     timer;
-- 
GitLab


From 645e903528ca6cd510f9ac71a6a23de1a4d931e3 Mon Sep 17 00:00:00 2001
From: David Henningsson <david.henningsson@canonical.com>
Date: Wed, 14 Dec 2011 15:52:30 +0800
Subject: [PATCH 1463/1594] ALSA: HDA: Use LPIB Position fix for Intel SCH
 Poulsbo

Several people with this chipset have reported inconsistent/sloppy
values for position reporting when the DMA position buffer is used,
and that setting position_fix=1 have fixed their problems.

BugLink: https://bugs.launchpad.net/bugs/825709
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/hda_intel.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 84d11d7ed710..c2f79e63124d 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2971,7 +2971,8 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
 	/* SCH */
 	{ PCI_DEVICE(0x8086, 0x811b),
 	  .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
-	  AZX_DCAPS_BUFSIZE},
+	  AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */
+	/* ICH */
 	{ PCI_DEVICE(0x8086, 0x2668),
 	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
 	  AZX_DCAPS_BUFSIZE },  /* ICH6 */
-- 
GitLab


From f4a2f4c548296168832ad4ab7e7f7b0cd0bf1214 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Wed, 14 Dec 2011 20:12:01 -0500
Subject: [PATCH 1464/1594] Btrfs: fix wrong i_size when truncating a file to a
 larger size

Btrfsck report error 100 after the 83th case of xfstests was run, it means
the i_size of the file is wrong.

The reason of this bug is that:
Btrfs increased i_size of the file at the beginning, but it failed to expand
the file, and failed to update the i_size to the old size because there is no
enough space in the file system, so we found a wrong i_size.

This patch fixes this bug by updating the i_size just when we pass the file
expanding and get enough space to update i-node.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c5ccec23984c..4bbceb928aff 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3370,6 +3370,8 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 
 static int btrfs_setsize(struct inode *inode, loff_t newsize)
 {
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_trans_handle *trans;
 	loff_t oldsize = i_size_read(inode);
 	int ret;
 
@@ -3377,16 +3379,20 @@ static int btrfs_setsize(struct inode *inode, loff_t newsize)
 		return 0;
 
 	if (newsize > oldsize) {
-		i_size_write(inode, newsize);
-		btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
 		truncate_pagecache(inode, oldsize, newsize);
 		ret = btrfs_cont_expand(inode, oldsize, newsize);
-		if (ret) {
-			btrfs_setsize(inode, oldsize);
+		if (ret)
 			return ret;
-		}
 
-		mark_inode_dirty(inode);
+		trans = btrfs_start_transaction(root, 1);
+		if (IS_ERR(trans))
+			return PTR_ERR(trans);
+
+		i_size_write(inode, newsize);
+		btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
+		ret = btrfs_update_inode(trans, root, inode);
+
+		btrfs_end_transaction_throttle(trans, root);
 	} else {
 
 		/*
-- 
GitLab


From 3642320e07444cc46327b24977d752f99706dac2 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Wed, 14 Dec 2011 20:12:02 -0500
Subject: [PATCH 1465/1594] Btrfs: fix wrong disk space information of the
 files

Btrfsck report errors after the 83th case of xfstests was run, The error
number is 400, it means the used disk space of the file is wrong.

The reason of this bug is that:
The file truncation may fail when the space of the file system is not enough,
and leave some file extents, whose offset are beyond the end of the files.
When we want to expand those files, we will drop those file extents, and
put in dummy file extents, and then we should update the i-node. But btrfs
forgets to do it.

This patch adds the forgotten i-node update.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4bbceb928aff..f1c4bceed072 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3327,7 +3327,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 			u64 hint_byte = 0;
 			hole_size = last_byte - cur_offset;
 
-			trans = btrfs_start_transaction(root, 2);
+			trans = btrfs_start_transaction(root, 3);
 			if (IS_ERR(trans)) {
 				err = PTR_ERR(trans);
 				break;
@@ -3337,6 +3337,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 						 cur_offset + hole_size,
 						 &hint_byte, 1);
 			if (err) {
+				btrfs_update_inode(trans, root, inode);
 				btrfs_end_transaction(trans, root);
 				break;
 			}
@@ -3346,6 +3347,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 					0, hole_size, 0, hole_size,
 					0, 0, 0);
 			if (err) {
+				btrfs_update_inode(trans, root, inode);
 				btrfs_end_transaction(trans, root);
 				break;
 			}
@@ -3353,6 +3355,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
 			btrfs_drop_extent_cache(inode, hole_start,
 					last_byte - 1, 0);
 
+			btrfs_update_inode(trans, root, inode);
 			btrfs_end_transaction(trans, root);
 		}
 		free_extent_map(em);
-- 
GitLab


From 39fb26c398ddf8d7794a85e896cfe1a42e55524b Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Wed, 14 Dec 2011 20:12:02 -0500
Subject: [PATCH 1466/1594] Btrfs: fix inaccurate available space on raid0
 profile

When we use raid0 as the data profile, df command may show us a very
inaccurate value of the available space, which may be much less than the
real one. It may make the users puzzled. Fix it by changing the calculation
of the available space, and making it be more similar to a fake chunk
allocation.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/super.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 1a3ce9e0b495..41495dce4db0 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1079,7 +1079,7 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
 	u64 avail_space;
 	u64 used_space;
 	u64 min_stripe_size;
-	int min_stripes = 1;
+	int min_stripes = 1, num_stripes = 1;
 	int i = 0, nr_devices;
 	int ret;
 
@@ -1093,12 +1093,16 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
 
 	/* calc min stripe number for data space alloction */
 	type = btrfs_get_alloc_profile(root, 1);
-	if (type & BTRFS_BLOCK_GROUP_RAID0)
+	if (type & BTRFS_BLOCK_GROUP_RAID0) {
 		min_stripes = 2;
-	else if (type & BTRFS_BLOCK_GROUP_RAID1)
+		num_stripes = nr_devices;
+	} else if (type & BTRFS_BLOCK_GROUP_RAID1) {
 		min_stripes = 2;
-	else if (type & BTRFS_BLOCK_GROUP_RAID10)
+		num_stripes = 2;
+	} else if (type & BTRFS_BLOCK_GROUP_RAID10) {
 		min_stripes = 4;
+		num_stripes = 4;
+	}
 
 	if (type & BTRFS_BLOCK_GROUP_DUP)
 		min_stripe_size = 2 * BTRFS_STRIPE_LEN;
@@ -1167,13 +1171,16 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
 	i = nr_devices - 1;
 	avail_space = 0;
 	while (nr_devices >= min_stripes) {
+		if (num_stripes > nr_devices)
+			num_stripes = nr_devices;
+
 		if (devices_info[i].max_avail >= min_stripe_size) {
 			int j;
 			u64 alloc_size;
 
-			avail_space += devices_info[i].max_avail * min_stripes;
+			avail_space += devices_info[i].max_avail * num_stripes;
 			alloc_size = devices_info[i].max_avail;
-			for (j = i + 1 - min_stripes; j <= i; j++)
+			for (j = i + 1 - num_stripes; j <= i; j++)
 				devices_info[j].max_avail -= alloc_size;
 		}
 		i--;
-- 
GitLab


From f8e9e0b07be0464e12366631da3da73a1a62449c Mon Sep 17 00:00:00 2001
From: Arne Jansen <sensille@gmx.net>
Date: Wed, 14 Dec 2011 20:12:02 -0500
Subject: [PATCH 1467/1594] btrfs: keep orphans for subvolume deletion

Since we have the free space caches, btrfs_orphan_cleanup also runs for
the tree_root. Unfortunately this also cleans up the orphans used to mark
subvol deletions in progress.

Currently if a subvol deletion gets interrupted twice by umount/mount, the
deletion will not be continued and the space permanently lost, though it
would be possible to write a tool to recover those lost subvol deletions.
This patch checks if the orphan belongs to a subvol (dead root) and skips
the deletion.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f1c4bceed072..4a31493d97ac 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2158,6 +2158,38 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
 		if (ret && ret != -ESTALE)
 			goto out;
 
+		if (ret == -ESTALE && root == root->fs_info->tree_root) {
+			struct btrfs_root *dead_root;
+			struct btrfs_fs_info *fs_info = root->fs_info;
+			int is_dead_root = 0;
+
+			/*
+			 * this is an orphan in the tree root. Currently these
+			 * could come from 2 sources:
+			 *  a) a snapshot deletion in progress
+			 *  b) a free space cache inode
+			 * We need to distinguish those two, as the snapshot
+			 * orphan must not get deleted.
+			 * find_dead_roots already ran before us, so if this
+			 * is a snapshot deletion, we should find the root
+			 * in the dead_roots list
+			 */
+			spin_lock(&fs_info->trans_lock);
+			list_for_each_entry(dead_root, &fs_info->dead_roots,
+					    root_list) {
+				if (dead_root->root_key.objectid ==
+				    found_key.objectid) {
+					is_dead_root = 1;
+					break;
+				}
+			}
+			spin_unlock(&fs_info->trans_lock);
+			if (is_dead_root) {
+				/* prevent this orphan from being found again */
+				key.offset = found_key.objectid - 1;
+				continue;
+			}
+		}
 		/*
 		 * Inode is already gone but the orphan item is still there,
 		 * kill the orphan item.
-- 
GitLab


From 306424cc880a0fbbdc99eee1f43d056a301a180f Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Wed, 14 Dec 2011 20:12:02 -0500
Subject: [PATCH 1468/1594] Btrfs: fix ctime update of on-disk inode

To reproduce the bug:

    # touch /mnt/tmp
    # stat /mnt/tmp | grep Change
    Change: 2011-12-09 09:32:23.412105981 +0800
    # chattr +i /mnt/tmp
    # stat /mnt/tmp | grep Change
    Change: 2011-12-09 09:32:43.198105295 +0800
    # umount /mnt
    # mount /dev/loop1 /mnt
    # stat /mnt/tmp | grep Change
    Change: 2011-12-09 09:32:23.412105981 +0800

We should update ctime of in-memory inode before calling
btrfs_update_inode().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 72d461656f60..40eaa9fdf07c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -252,11 +252,11 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
 	trans = btrfs_join_transaction(root);
 	BUG_ON(IS_ERR(trans));
 
+	btrfs_update_iflags(inode);
+	inode->i_ctime = CURRENT_TIME;
 	ret = btrfs_update_inode(trans, root, inode);
 	BUG_ON(ret);
 
-	btrfs_update_iflags(inode);
-	inode->i_ctime = CURRENT_TIME;
 	btrfs_end_transaction(trans, root);
 
 	mnt_drop_write(file->f_path.mnt);
-- 
GitLab


From 8f3b65a3d66bcc086e1eb040b7545e70681f2ed1 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 15 Dec 2011 09:29:43 -0500
Subject: [PATCH 1469/1594] Btrfs: add a cond_resched() into the worker loop

If we have a constant stream of end_io completions or crc work,
we can hit softlockup messages from the async helper threads.  This
adds a cond_resched() into the loop to avoid them.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/async-thread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index 7ec14097fef1..203e849dc9c9 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -331,7 +331,7 @@ again:
 			run_ordered_completions(worker->workers, work);
 
 			check_pending_worker_creates(worker);
-
+			cond_resched();
 		}
 
 		spin_lock_irq(&worker->lock);
-- 
GitLab


From ad19db71f498fd858dd84ce603efcf97e321f184 Mon Sep 17 00:00:00 2001
From: Casey Schaufler <casey@schaufler-ca.com>
Date: Thu, 15 Dec 2011 10:09:07 -0500
Subject: [PATCH 1470/1594] BTRFS: Establish i_ops before calling d_instantiate

The Smack LSM hook for security_d_instantiate checks
the inode's i_op->getxattr value to determine if the
containing filesystem supports extended attributes.
The BTRFS filesystem sets the inode's i_op value only
after it has instantiated the inode. This results in
Smack incorrectly giving new BTRFS inodes attributes
from the filesystem defaults on the assumption that
values can't be stored on the filesystem. This patch
moves the assignment of inode operation vectors ahead
of the calls to d_instantiate, letting Smack know that
the filesystem supports extended attributes. There
should be no impact on the performance or behavior of
BTRFS.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4a31493d97ac..d4a9195c7f0d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4596,11 +4596,18 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
 		goto out_unlock;
 	}
 
+	/*
+	* If the active LSM wants to access the inode during
+	* d_instantiate it needs these. Smack checks to see
+	* if the filesystem supports xattrs by looking at the
+	* ops vector.
+	*/
+
+	inode->i_op = &btrfs_special_inode_operations;
 	err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
 	if (err)
 		drop_inode = 1;
 	else {
-		inode->i_op = &btrfs_special_inode_operations;
 		init_special_inode(inode, inode->i_mode, rdev);
 		btrfs_update_inode(trans, root, inode);
 	}
@@ -4654,14 +4661,21 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
 		goto out_unlock;
 	}
 
+	/*
+	* If the active LSM wants to access the inode during
+	* d_instantiate it needs these. Smack checks to see
+	* if the filesystem supports xattrs by looking at the
+	* ops vector.
+	*/
+	inode->i_fop = &btrfs_file_operations;
+	inode->i_op = &btrfs_file_inode_operations;
+
 	err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
 	if (err)
 		drop_inode = 1;
 	else {
 		inode->i_mapping->a_ops = &btrfs_aops;
 		inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
-		inode->i_fop = &btrfs_file_operations;
-		inode->i_op = &btrfs_file_inode_operations;
 		BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
 	}
 out_unlock:
@@ -7117,14 +7131,21 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
 		goto out_unlock;
 	}
 
+	/*
+	* If the active LSM wants to access the inode during
+	* d_instantiate it needs these. Smack checks to see
+	* if the filesystem supports xattrs by looking at the
+	* ops vector.
+	*/
+	inode->i_fop = &btrfs_file_operations;
+	inode->i_op = &btrfs_file_inode_operations;
+
 	err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index);
 	if (err)
 		drop_inode = 1;
 	else {
 		inode->i_mapping->a_ops = &btrfs_aops;
 		inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
-		inode->i_fop = &btrfs_file_operations;
-		inode->i_op = &btrfs_file_inode_operations;
 		BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
 	}
 	if (drop_inode)
-- 
GitLab


From 0dc3b84a73267f47a75468f924f5d58a840e3152 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Fri, 18 Nov 2011 14:37:27 -0500
Subject: [PATCH 1471/1594] Btrfs: fix num_workers_starting bug and other bugs
 in async thread

Al pointed out we have some random problems with the way we account for
num_workers_starting in the async thread stuff.  First of all we need to make
sure to decrement num_workers_starting if we fail to start the worker, so make
__btrfs_start_workers do this.  Also fix __btrfs_start_workers so that it
doesn't call btrfs_stop_workers(), there is no point in stopping everybody if we
failed to create a worker.  Also check_pending_worker_creates needs to call
__btrfs_start_work in it's work function since it already increments
num_workers_starting.

People only start one worker at a time, so get rid of the num_workers argument
everywhere, and make btrfs_queue_worker a void since it will always succeed.
Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/async-thread.c | 115 +++++++++++++++++++---------------------
 fs/btrfs/async-thread.h |   4 +-
 fs/btrfs/disk-io.c      |  34 +++++++-----
 fs/btrfs/scrub.c        |   8 ++-
 4 files changed, 83 insertions(+), 78 deletions(-)

diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index 7ec14097fef1..af8e117c8978 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -64,6 +64,8 @@ struct btrfs_worker_thread {
 	int idle;
 };
 
+static int __btrfs_start_workers(struct btrfs_workers *workers);
+
 /*
  * btrfs_start_workers uses kthread_run, which can block waiting for memory
  * for a very long time.  It will actually throttle on page writeback,
@@ -88,27 +90,10 @@ static void start_new_worker_func(struct btrfs_work *work)
 {
 	struct worker_start *start;
 	start = container_of(work, struct worker_start, work);
-	btrfs_start_workers(start->queue, 1);
+	__btrfs_start_workers(start->queue);
 	kfree(start);
 }
 
-static int start_new_worker(struct btrfs_workers *queue)
-{
-	struct worker_start *start;
-	int ret;
-
-	start = kzalloc(sizeof(*start), GFP_NOFS);
-	if (!start)
-		return -ENOMEM;
-
-	start->work.func = start_new_worker_func;
-	start->queue = queue;
-	ret = btrfs_queue_worker(queue->atomic_worker_start, &start->work);
-	if (ret)
-		kfree(start);
-	return ret;
-}
-
 /*
  * helper function to move a thread onto the idle list after it
  * has finished some requests.
@@ -153,12 +138,20 @@ static void check_busy_worker(struct btrfs_worker_thread *worker)
 static void check_pending_worker_creates(struct btrfs_worker_thread *worker)
 {
 	struct btrfs_workers *workers = worker->workers;
+	struct worker_start *start;
 	unsigned long flags;
 
 	rmb();
 	if (!workers->atomic_start_pending)
 		return;
 
+	start = kzalloc(sizeof(*start), GFP_NOFS);
+	if (!start)
+		return;
+
+	start->work.func = start_new_worker_func;
+	start->queue = workers;
+
 	spin_lock_irqsave(&workers->lock, flags);
 	if (!workers->atomic_start_pending)
 		goto out;
@@ -170,10 +163,11 @@ static void check_pending_worker_creates(struct btrfs_worker_thread *worker)
 
 	workers->num_workers_starting += 1;
 	spin_unlock_irqrestore(&workers->lock, flags);
-	start_new_worker(workers);
+	btrfs_queue_worker(workers->atomic_worker_start, &start->work);
 	return;
 
 out:
+	kfree(start);
 	spin_unlock_irqrestore(&workers->lock, flags);
 }
 
@@ -462,56 +456,55 @@ void btrfs_init_workers(struct btrfs_workers *workers, char *name, int max,
  * starts new worker threads.  This does not enforce the max worker
  * count in case you need to temporarily go past it.
  */
-static int __btrfs_start_workers(struct btrfs_workers *workers,
-				 int num_workers)
+static int __btrfs_start_workers(struct btrfs_workers *workers)
 {
 	struct btrfs_worker_thread *worker;
 	int ret = 0;
-	int i;
 
-	for (i = 0; i < num_workers; i++) {
-		worker = kzalloc(sizeof(*worker), GFP_NOFS);
-		if (!worker) {
-			ret = -ENOMEM;
-			goto fail;
-		}
+	worker = kzalloc(sizeof(*worker), GFP_NOFS);
+	if (!worker) {
+		ret = -ENOMEM;
+		goto fail;
+	}
 
-		INIT_LIST_HEAD(&worker->pending);
-		INIT_LIST_HEAD(&worker->prio_pending);
-		INIT_LIST_HEAD(&worker->worker_list);
-		spin_lock_init(&worker->lock);
-
-		atomic_set(&worker->num_pending, 0);
-		atomic_set(&worker->refs, 1);
-		worker->workers = workers;
-		worker->task = kthread_run(worker_loop, worker,
-					   "btrfs-%s-%d", workers->name,
-					   workers->num_workers + i);
-		if (IS_ERR(worker->task)) {
-			ret = PTR_ERR(worker->task);
-			kfree(worker);
-			goto fail;
-		}
-		spin_lock_irq(&workers->lock);
-		list_add_tail(&worker->worker_list, &workers->idle_list);
-		worker->idle = 1;
-		workers->num_workers++;
-		workers->num_workers_starting--;
-		WARN_ON(workers->num_workers_starting < 0);
-		spin_unlock_irq(&workers->lock);
+	INIT_LIST_HEAD(&worker->pending);
+	INIT_LIST_HEAD(&worker->prio_pending);
+	INIT_LIST_HEAD(&worker->worker_list);
+	spin_lock_init(&worker->lock);
+
+	atomic_set(&worker->num_pending, 0);
+	atomic_set(&worker->refs, 1);
+	worker->workers = workers;
+	worker->task = kthread_run(worker_loop, worker,
+				   "btrfs-%s-%d", workers->name,
+				   workers->num_workers + 1);
+	if (IS_ERR(worker->task)) {
+		ret = PTR_ERR(worker->task);
+		kfree(worker);
+		goto fail;
 	}
+	spin_lock_irq(&workers->lock);
+	list_add_tail(&worker->worker_list, &workers->idle_list);
+	worker->idle = 1;
+	workers->num_workers++;
+	workers->num_workers_starting--;
+	WARN_ON(workers->num_workers_starting < 0);
+	spin_unlock_irq(&workers->lock);
+
 	return 0;
 fail:
-	btrfs_stop_workers(workers);
+	spin_lock_irq(&workers->lock);
+	workers->num_workers_starting--;
+	spin_unlock_irq(&workers->lock);
 	return ret;
 }
 
-int btrfs_start_workers(struct btrfs_workers *workers, int num_workers)
+int btrfs_start_workers(struct btrfs_workers *workers)
 {
 	spin_lock_irq(&workers->lock);
-	workers->num_workers_starting += num_workers;
+	workers->num_workers_starting++;
 	spin_unlock_irq(&workers->lock);
-	return __btrfs_start_workers(workers, num_workers);
+	return __btrfs_start_workers(workers);
 }
 
 /*
@@ -568,6 +561,7 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
 	struct btrfs_worker_thread *worker;
 	unsigned long flags;
 	struct list_head *fallback;
+	int ret;
 
 again:
 	spin_lock_irqsave(&workers->lock, flags);
@@ -584,7 +578,9 @@ again:
 			workers->num_workers_starting++;
 			spin_unlock_irqrestore(&workers->lock, flags);
 			/* we're below the limit, start another worker */
-			__btrfs_start_workers(workers, 1);
+			ret = __btrfs_start_workers(workers);
+			if (ret)
+				goto fallback;
 			goto again;
 		}
 	}
@@ -665,7 +661,7 @@ void btrfs_set_work_high_prio(struct btrfs_work *work)
 /*
  * places a struct btrfs_work into the pending queue of one of the kthreads
  */
-int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
+void btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
 {
 	struct btrfs_worker_thread *worker;
 	unsigned long flags;
@@ -673,7 +669,7 @@ int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
 
 	/* don't requeue something already on a list */
 	if (test_and_set_bit(WORK_QUEUED_BIT, &work->flags))
-		goto out;
+		return;
 
 	worker = find_worker(workers);
 	if (workers->ordered) {
@@ -712,7 +708,4 @@ int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work)
 	if (wake)
 		wake_up_process(worker->task);
 	spin_unlock_irqrestore(&worker->lock, flags);
-
-out:
-	return 0;
 }
diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h
index 5077746cf85e..f34cc31fa3c9 100644
--- a/fs/btrfs/async-thread.h
+++ b/fs/btrfs/async-thread.h
@@ -109,8 +109,8 @@ struct btrfs_workers {
 	char *name;
 };
 
-int btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work);
-int btrfs_start_workers(struct btrfs_workers *workers, int num_workers);
+void btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work);
+int btrfs_start_workers(struct btrfs_workers *workers);
 int btrfs_stop_workers(struct btrfs_workers *workers);
 void btrfs_init_workers(struct btrfs_workers *workers, char *name, int max,
 			struct btrfs_workers *async_starter);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 94abc25392f6..3f9d5551e582 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2194,19 +2194,27 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 	fs_info->endio_meta_write_workers.idle_thresh = 2;
 	fs_info->readahead_workers.idle_thresh = 2;
 
-	btrfs_start_workers(&fs_info->workers, 1);
-	btrfs_start_workers(&fs_info->generic_worker, 1);
-	btrfs_start_workers(&fs_info->submit_workers, 1);
-	btrfs_start_workers(&fs_info->delalloc_workers, 1);
-	btrfs_start_workers(&fs_info->fixup_workers, 1);
-	btrfs_start_workers(&fs_info->endio_workers, 1);
-	btrfs_start_workers(&fs_info->endio_meta_workers, 1);
-	btrfs_start_workers(&fs_info->endio_meta_write_workers, 1);
-	btrfs_start_workers(&fs_info->endio_write_workers, 1);
-	btrfs_start_workers(&fs_info->endio_freespace_worker, 1);
-	btrfs_start_workers(&fs_info->delayed_workers, 1);
-	btrfs_start_workers(&fs_info->caching_workers, 1);
-	btrfs_start_workers(&fs_info->readahead_workers, 1);
+	/*
+	 * btrfs_start_workers can really only fail because of ENOMEM so just
+	 * return -ENOMEM if any of these fail.
+	 */
+	ret = btrfs_start_workers(&fs_info->workers);
+	ret |= btrfs_start_workers(&fs_info->generic_worker);
+	ret |= btrfs_start_workers(&fs_info->submit_workers);
+	ret |= btrfs_start_workers(&fs_info->delalloc_workers);
+	ret |= btrfs_start_workers(&fs_info->fixup_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_meta_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_meta_write_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_write_workers);
+	ret |= btrfs_start_workers(&fs_info->endio_freespace_worker);
+	ret |= btrfs_start_workers(&fs_info->delayed_workers);
+	ret |= btrfs_start_workers(&fs_info->caching_workers);
+	ret |= btrfs_start_workers(&fs_info->readahead_workers);
+	if (ret) {
+		ret = -ENOMEM;
+		goto fail_sb_buffer;
+	}
 
 	fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
 	fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index c27bcb67f330..ddf2c90d3fc0 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1535,18 +1535,22 @@ static noinline_for_stack int scrub_supers(struct scrub_dev *sdev)
 static noinline_for_stack int scrub_workers_get(struct btrfs_root *root)
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
+	int ret = 0;
 
 	mutex_lock(&fs_info->scrub_lock);
 	if (fs_info->scrub_workers_refcnt == 0) {
 		btrfs_init_workers(&fs_info->scrub_workers, "scrub",
 			   fs_info->thread_pool_size, &fs_info->generic_worker);
 		fs_info->scrub_workers.idle_thresh = 4;
-		btrfs_start_workers(&fs_info->scrub_workers, 1);
+		ret = btrfs_start_workers(&fs_info->scrub_workers);
+		if (ret)
+			goto out;
 	}
 	++fs_info->scrub_workers_refcnt;
+out:
 	mutex_unlock(&fs_info->scrub_lock);
 
-	return 0;
+	return ret;
 }
 
 static noinline_for_stack void scrub_workers_put(struct btrfs_root *root)
-- 
GitLab


From 22c44fe65adacd20a174f3f54686509ee94ef7be Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Wed, 30 Nov 2011 10:45:38 -0500
Subject: [PATCH 1472/1594] Btrfs: deal with enospc from dirtying inodes
 properly

Now that we're properly keeping track of delayed inode space we've been getting
a lot of warnings out of btrfs_dirty_inode() when running xfstest 83.  This is
because a bunch of people call mark_inode_dirty, which is void so we can't
return ENOSPC.  This needs to be fixed in a few areas

1) file_update_time - this updates the mtime and such when writing to a file,
which will call mark_inode_dirty.  So copy file_update_time into btrfs so we can
call btrfs_dirty_inode directly and return an error if we get one appropriately.

2) fix symlinks to use btrfs_setattr for ->setattr.  For some reason we weren't
setting ->setattr for symlinks, even though we should have been.  This catches
one of the cases where we were getting errors in mark_inode_dirty.

3) Fix btrfs_setattr and btrfs_setsize to call btrfs_dirty_inode directly
instead of mark_inode_dirty.  This lets us return errors properly for truncate
and chown/anything related to setattr.

4) Add a new btrfs_fs_dirty_inode which will just call btrfs_dirty_inode and
print an error if we have one.  The only remaining user we can't control for
this is touch_atime(), but we don't really want to keep people from walking
down the tree if we don't have space to save the atime update, so just complain
but don't worry about it.

With this patch xfstests 83 complains a handful of times instead of hundreds of
times.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/ctree.h |  3 +-
 fs/btrfs/file.c  |  6 +++-
 fs/btrfs/inode.c | 80 ++++++++++++++++++++++++++++++++++++------------
 fs/btrfs/super.c | 13 +++++++-
 4 files changed, 80 insertions(+), 22 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 50634abef9b4..67385033323d 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2692,7 +2692,8 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
 int btrfs_readpage(struct file *file, struct page *page);
 void btrfs_evict_inode(struct inode *inode);
 int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc);
-void btrfs_dirty_inode(struct inode *inode, int flags);
+int btrfs_dirty_inode(struct inode *inode);
+int btrfs_update_time(struct file *file);
 struct inode *btrfs_alloc_inode(struct super_block *sb);
 void btrfs_destroy_inode(struct inode *inode);
 int btrfs_drop_inode(struct inode *inode);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index f2e928289600..cc7492c823f3 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1387,7 +1387,11 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 		goto out;
 	}
 
-	file_update_time(file);
+	err = btrfs_update_time(file);
+	if (err) {
+		mutex_unlock(&inode->i_mutex);
+		goto out;
+	}
 	BTRFS_I(inode)->sequence++;
 
 	start_pos = round_down(pos, root->sectorsize);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c5ccec23984c..eec33b9c953d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -38,6 +38,7 @@
 #include <linux/falloc.h>
 #include <linux/slab.h>
 #include <linux/ratelimit.h>
+#include <linux/mount.h>
 #include "compat.h"
 #include "ctree.h"
 #include "disk-io.h"
@@ -3386,7 +3387,7 @@ static int btrfs_setsize(struct inode *inode, loff_t newsize)
 			return ret;
 		}
 
-		mark_inode_dirty(inode);
+		ret = btrfs_dirty_inode(inode);
 	} else {
 
 		/*
@@ -3426,9 +3427,9 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
 
 	if (attr->ia_valid) {
 		setattr_copy(inode, attr);
-		mark_inode_dirty(inode);
+		err = btrfs_dirty_inode(inode);
 
-		if (attr->ia_valid & ATTR_MODE)
+		if (!err && attr->ia_valid & ATTR_MODE)
 			err = btrfs_acl_chmod(inode);
 	}
 
@@ -4204,42 +4205,80 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc)
  * FIXME, needs more benchmarking...there are no reasons other than performance
  * to keep or drop this code.
  */
-void btrfs_dirty_inode(struct inode *inode, int flags)
+int btrfs_dirty_inode(struct inode *inode)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_trans_handle *trans;
 	int ret;
 
 	if (BTRFS_I(inode)->dummy_inode)
-		return;
+		return 0;
 
 	trans = btrfs_join_transaction(root);
-	BUG_ON(IS_ERR(trans));
+	if (IS_ERR(trans))
+		return PTR_ERR(trans);
 
 	ret = btrfs_update_inode(trans, root, inode);
 	if (ret && ret == -ENOSPC) {
 		/* whoops, lets try again with the full transaction */
 		btrfs_end_transaction(trans, root);
 		trans = btrfs_start_transaction(root, 1);
-		if (IS_ERR(trans)) {
-			printk_ratelimited(KERN_ERR "btrfs: fail to "
-				       "dirty  inode %llu error %ld\n",
-				       (unsigned long long)btrfs_ino(inode),
-				       PTR_ERR(trans));
-			return;
-		}
+		if (IS_ERR(trans))
+			return PTR_ERR(trans);
 
 		ret = btrfs_update_inode(trans, root, inode);
-		if (ret) {
-			printk_ratelimited(KERN_ERR "btrfs: fail to "
-				       "dirty  inode %llu error %d\n",
-				       (unsigned long long)btrfs_ino(inode),
-				       ret);
-		}
 	}
 	btrfs_end_transaction(trans, root);
 	if (BTRFS_I(inode)->delayed_node)
 		btrfs_balance_delayed_items(root);
+
+	return ret;
+}
+
+/*
+ * This is a copy of file_update_time.  We need this so we can return error on
+ * ENOSPC for updating the inode in the case of file write and mmap writes.
+ */
+int btrfs_update_time(struct file *file)
+{
+	struct inode *inode = file->f_path.dentry->d_inode;
+	struct timespec now;
+	int ret;
+	enum { S_MTIME = 1, S_CTIME = 2, S_VERSION = 4 } sync_it = 0;
+
+	/* First try to exhaust all avenues to not sync */
+	if (IS_NOCMTIME(inode))
+		return 0;
+
+	now = current_fs_time(inode->i_sb);
+	if (!timespec_equal(&inode->i_mtime, &now))
+		sync_it = S_MTIME;
+
+	if (!timespec_equal(&inode->i_ctime, &now))
+		sync_it |= S_CTIME;
+
+	if (IS_I_VERSION(inode))
+		sync_it |= S_VERSION;
+
+	if (!sync_it)
+		return 0;
+
+	/* Finally allowed to write? Takes lock. */
+	if (mnt_want_write_file(file))
+		return 0;
+
+	/* Only change inode inside the lock region */
+	if (sync_it & S_VERSION)
+		inode_inc_iversion(inode);
+	if (sync_it & S_CTIME)
+		inode->i_ctime = now;
+	if (sync_it & S_MTIME)
+		inode->i_mtime = now;
+	ret = btrfs_dirty_inode(inode);
+	if (!ret)
+		mark_inode_dirty_sync(inode);
+	mnt_drop_write(file->f_path.mnt);
+	return ret;
 }
 
 /*
@@ -6304,6 +6343,8 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	u64 page_end;
 
 	ret  = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
+	if (!ret)
+		ret = btrfs_update_time(vma->vm_file);
 	if (ret) {
 		if (ret == -ENOMEM)
 			ret = VM_FAULT_OOM;
@@ -7353,6 +7394,7 @@ static const struct inode_operations btrfs_symlink_inode_operations = {
 	.follow_link	= page_follow_link_light,
 	.put_link	= page_put_link,
 	.getattr	= btrfs_getattr,
+	.setattr	= btrfs_setattr,
 	.permission	= btrfs_permission,
 	.setxattr	= btrfs_setxattr,
 	.getxattr	= btrfs_getxattr,
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 1a3ce9e0b495..05b40457e26c 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -41,6 +41,7 @@
 #include <linux/slab.h>
 #include <linux/cleancache.h>
 #include <linux/mnt_namespace.h>
+#include <linux/ratelimit.h>
 #include "compat.h"
 #include "delayed-inode.h"
 #include "ctree.h"
@@ -1290,6 +1291,16 @@ static int btrfs_unfreeze(struct super_block *sb)
 	return 0;
 }
 
+static void btrfs_fs_dirty_inode(struct inode *inode, int flags)
+{
+	int ret;
+
+	ret = btrfs_dirty_inode(inode);
+	if (ret)
+		printk_ratelimited(KERN_ERR "btrfs: fail to dirty inode %Lu "
+				   "error %d\n", btrfs_ino(inode), ret);
+}
+
 static const struct super_operations btrfs_super_ops = {
 	.drop_inode	= btrfs_drop_inode,
 	.evict_inode	= btrfs_evict_inode,
@@ -1297,7 +1308,7 @@ static const struct super_operations btrfs_super_ops = {
 	.sync_fs	= btrfs_sync_fs,
 	.show_options	= btrfs_show_options,
 	.write_inode	= btrfs_write_inode,
-	.dirty_inode	= btrfs_dirty_inode,
+	.dirty_inode	= btrfs_fs_dirty_inode,
 	.alloc_inode	= btrfs_alloc_inode,
 	.destroy_inode	= btrfs_destroy_inode,
 	.statfs		= btrfs_statfs,
-- 
GitLab


From 660d3f6cde552323578b85fc5a09a6742f1fe804 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Fri, 9 Dec 2011 11:18:51 -0500
Subject: [PATCH 1473/1594] Btrfs: fix how we do delalloc reservations and how
 we free reservations on error

Running xfstests 269 with some tracing my scripts kept spitting out errors about
releasing bytes that we didn't actually have reserved.  This took me down a huge
rabbit hole and it turns out the way we deal with reserved_extents is wrong,
we need to only be setting it if the reservation succeeds, otherwise the free()
method will come in and unreserve space that isn't actually reserved yet, which
can lead to other warnings and such.  The math was all working out right in the
end, but it caused all sorts of other issues in addition to making my scripts
yell and scream and generally make it impossible for me to track down the
original issue I was looking for.  The other problem is with our error handling
in the reservation code.  There are two cases that we need to deal with

1) We raced with free.  In this case free won't free anything because csum_bytes
is modified before we dro the lock in our reservation path, so free rightly
doesn't release any space because the reservation code may be depending on that
reservation.  However if we fail, we need the reservation side to do the free at
that point since that space is no longer in use.  So as it stands the code was
doing this fine and it worked out, except in case #2

2) We don't race with free.  Nobody comes in and changes anything, and our
reservation fails.  In this case we didn't reserve anything anyway and we just
need to clean up csum_bytes but not free anything.  So we keep track of
csum_bytes before we drop the lock and if it hasn't changed we know we can just
decrement csum_bytes and carry on.

Because of the case where we can race with free()'s since we have to drop our
spin_lock to do the reservation, I'm going to serialize all reservations with
the i_mutex.  We already get this for free in the heavy use paths, truncate and
file write all hold the i_mutex, just needed to add it to page_mkwrite and
various ioctl/balance things.  With this patch my space leak scripts no longer
scream bloody murder.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/extent-tree.c | 43 +++++++++++++++++++++++++++++-------------
 fs/btrfs/inode.c       | 10 ++++++++++
 fs/btrfs/ioctl.c       |  2 ++
 fs/btrfs/relocation.c  |  2 ++
 4 files changed, 44 insertions(+), 13 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 05e1386b8bec..4eb4d2748bec 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4203,12 +4203,17 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_block_rsv *block_rsv = &root->fs_info->delalloc_block_rsv;
 	u64 to_reserve = 0;
+	u64 csum_bytes;
 	unsigned nr_extents = 0;
+	int extra_reserve = 0;
 	int flush = 1;
 	int ret;
 
+	/* Need to be holding the i_mutex here if we aren't free space cache */
 	if (btrfs_is_free_space_inode(root, inode))
 		flush = 0;
+	else
+		WARN_ON(!mutex_is_locked(&inode->i_mutex));
 
 	if (flush && btrfs_transaction_in_commit(root->fs_info))
 		schedule_timeout(1);
@@ -4219,11 +4224,9 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 	BTRFS_I(inode)->outstanding_extents++;
 
 	if (BTRFS_I(inode)->outstanding_extents >
-	    BTRFS_I(inode)->reserved_extents) {
+	    BTRFS_I(inode)->reserved_extents)
 		nr_extents = BTRFS_I(inode)->outstanding_extents -
 			BTRFS_I(inode)->reserved_extents;
-		BTRFS_I(inode)->reserved_extents += nr_extents;
-	}
 
 	/*
 	 * Add an item to reserve for updating the inode when we complete the
@@ -4231,11 +4234,12 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 	 */
 	if (!BTRFS_I(inode)->delalloc_meta_reserved) {
 		nr_extents++;
-		BTRFS_I(inode)->delalloc_meta_reserved = 1;
+		extra_reserve = 1;
 	}
 
 	to_reserve = btrfs_calc_trans_metadata_size(root, nr_extents);
 	to_reserve += calc_csum_metadata_size(inode, num_bytes, 1);
+	csum_bytes = BTRFS_I(inode)->csum_bytes;
 	spin_unlock(&BTRFS_I(inode)->lock);
 
 	ret = reserve_metadata_bytes(root, block_rsv, to_reserve, flush);
@@ -4245,22 +4249,35 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 
 		spin_lock(&BTRFS_I(inode)->lock);
 		dropped = drop_outstanding_extent(inode);
-		to_free = calc_csum_metadata_size(inode, num_bytes, 0);
-		spin_unlock(&BTRFS_I(inode)->lock);
-		to_free += btrfs_calc_trans_metadata_size(root, dropped);
-
 		/*
-		 * Somebody could have come in and twiddled with the
-		 * reservation, so if we have to free more than we would have
-		 * reserved from this reservation go ahead and release those
-		 * bytes.
+		 * If the inodes csum_bytes is the same as the original
+		 * csum_bytes then we know we haven't raced with any free()ers
+		 * so we can just reduce our inodes csum bytes and carry on.
+		 * Otherwise we have to do the normal free thing to account for
+		 * the case that the free side didn't free up its reserve
+		 * because of this outstanding reservation.
 		 */
-		to_free -= to_reserve;
+		if (BTRFS_I(inode)->csum_bytes == csum_bytes)
+			calc_csum_metadata_size(inode, num_bytes, 0);
+		else
+			to_free = calc_csum_metadata_size(inode, num_bytes, 0);
+		spin_unlock(&BTRFS_I(inode)->lock);
+		if (dropped)
+			to_free += btrfs_calc_trans_metadata_size(root, dropped);
+
 		if (to_free)
 			btrfs_block_rsv_release(root, block_rsv, to_free);
 		return ret;
 	}
 
+	spin_lock(&BTRFS_I(inode)->lock);
+	if (extra_reserve) {
+		BTRFS_I(inode)->delalloc_meta_reserved = 1;
+		nr_extents--;
+	}
+	BTRFS_I(inode)->reserved_extents += nr_extents;
+	spin_unlock(&BTRFS_I(inode)->lock);
+
 	block_rsv_add_bytes(block_rsv, to_reserve, 1);
 
 	return 0;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index eec33b9c953d..8938174e6bc1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2192,7 +2192,14 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
 				continue;
 			}
 			nr_truncate++;
+			/*
+			 * Need to hold the imutex for reservation purposes, not
+			 * a huge deal here but I have a WARN_ON in
+			 * btrfs_delalloc_reserve_space to catch offenders.
+			 */
+			mutex_lock(&inode->i_mutex);
 			ret = btrfs_truncate(inode);
+			mutex_unlock(&inode->i_mutex);
 		} else {
 			nr_unlink++;
 		}
@@ -6342,7 +6349,10 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	u64 page_start;
 	u64 page_end;
 
+	/* Need this to keep space reservations serialized */
+	mutex_lock(&inode->i_mutex);
 	ret  = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
+	mutex_unlock(&inode->i_mutex);
 	if (!ret)
 		ret = btrfs_update_time(vma->vm_file);
 	if (ret) {
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 72d461656f60..dd8891662355 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -858,8 +858,10 @@ static int cluster_pages_for_defrag(struct inode *inode,
 		return 0;
 	file_end = (isize - 1) >> PAGE_CACHE_SHIFT;
 
+	mutex_lock(&inode->i_mutex);
 	ret = btrfs_delalloc_reserve_space(inode,
 					   num_pages << PAGE_CACHE_SHIFT);
+	mutex_unlock(&inode->i_mutex);
 	if (ret)
 		return ret;
 again:
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index dff29d5e151a..cfb55434a469 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2947,7 +2947,9 @@ static int relocate_file_extent_cluster(struct inode *inode,
 	index = (cluster->start - offset) >> PAGE_CACHE_SHIFT;
 	last_index = (cluster->end - offset) >> PAGE_CACHE_SHIFT;
 	while (index <= last_index) {
+		mutex_lock(&inode->i_mutex);
 		ret = btrfs_delalloc_reserve_metadata(inode, PAGE_CACHE_SIZE);
+		mutex_unlock(&inode->i_mutex);
 		if (ret)
 			goto out;
 
-- 
GitLab


From 7041ee97281c30a78658904140c7bd9373a36142 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Fri, 9 Dec 2011 13:26:22 -0500
Subject: [PATCH 1474/1594] Btrfs: fix leaked space in truncate

We were occasionaly leaking space when running xfstest 269.  This is because if
we failed to start the transaction in the truncate loop we'd just goto out, but
we need to break so that the inode is removed from the orphan list and the space
is properly freed.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/inode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8938174e6bc1..6349c63a4b37 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6566,8 +6566,9 @@ static int btrfs_truncate(struct inode *inode)
 			/* Just need the 1 for updating the inode */
 			trans = btrfs_start_transaction(root, 1);
 			if (IS_ERR(trans)) {
-				err = PTR_ERR(trans);
-				goto out;
+				ret = err = PTR_ERR(trans);
+				trans = NULL;
+				break;
 			}
 		}
 
-- 
GitLab


From ee4d89f0c4967c624c92516fcc37b41069bfdc23 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Tue, 13 Dec 2011 12:55:58 -0500
Subject: [PATCH 1475/1594] Btrfs: don't panic if orphan item already exists

I've been hitting this BUG_ON() in btrfs_orphan_add when running xfstest 269 in
a loop.  This is because we will add an orphan item, do the truncate, the
truncate will fail for whatever reason (*cough*ENOSPC*cough*) and then we're
left with an orphan item still in the fs.  Then we come back later to do another
truncate and it blows up because we already have an orphan item.  This is ok so
just fix the BUG_ON() to only BUG() if ret is not EEXIST.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6349c63a4b37..b212f391ceab 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2032,7 +2032,7 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode)
 	/* insert an orphan item to track this unlinked/truncated file */
 	if (insert >= 1) {
 		ret = btrfs_insert_orphan_item(trans, root, btrfs_ino(inode));
-		BUG_ON(ret);
+		BUG_ON(ret && ret != -EEXIST);
 	}
 
 	/* insert an orphan item to track subvolume contains orphan files */
-- 
GitLab


From e65cbb94e036058128a5dec6398be2fd64cf88ba Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Tue, 13 Dec 2011 16:04:54 -0500
Subject: [PATCH 1476/1594] Btrfs: only set cache_generation if we setup the
 block group

A user reported a problem booting into a new kernel with the old format inodes.
He was panicing in cow_file_range while writing out the inode cache.  This is
because if the block group is not cached we'll just skip writing out the cache,
however if it gets dirtied again in the same transaction and it finished caching
we'd go ahead and write it out, but since we set cache_generation to the transid
we think we've already truncated it and will just carry on, running into
cow_file_range and blowing up.  We need to make sure we only set
cache_generation if we've done the truncate.  The user tested this patch and
verified that the panic no longer occured.  Thanks,

Reported-and-Tested-by: Klaus Bitto <klaus.bitto@gmail.com>
Signed-off-by: Josef Bacik <josef@redhat.com>
---
 fs/btrfs/extent-tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4eb4d2748bec..8603ee4e3dfd 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2822,7 +2822,7 @@ out_free:
 	btrfs_release_path(path);
 out:
 	spin_lock(&block_group->lock);
-	if (!ret)
+	if (!ret && dcs == BTRFS_DC_SETUP)
 		block_group->cache_generation = trans->transid;
 	block_group->disk_cache_state = dcs;
 	spin_unlock(&block_group->lock);
-- 
GitLab


From d3db728125c4470a2d061ac10fa7395e18237263 Mon Sep 17 00:00:00 2001
From: Ian Campbell <Ian.Campbell@citrix.com>
Date: Wed, 14 Dec 2011 12:16:08 +0000
Subject: [PATCH 1477/1594] xen: only limit memory map to maximum reservation
 for domain 0.

d312ae878b6a "xen: use maximum reservation to limit amount of usable RAM"
clamped the total amount of RAM to the current maximum reservation. This is
correct for dom0 but is not correct for guest domains. In order to boot a guest
"pre-ballooned" (e.g. with memory=1G but maxmem=2G) in order to allow for
future memory expansion the guest must derive max_pfn from the e820 provided by
the toolstack and not the current maximum reservation (which can reflect only
the current maximum, not the guest lifetime max). The existing algorithm
already behaves this correctly if we do not artificially limit the maximum
number of pages for the guest case.

For a guest booted with maxmem=512, memory=128 this results in:
 [    0.000000] BIOS-provided physical RAM map:
 [    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
 [    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
-[    0.000000]  Xen: 0000000000100000 - 0000000008100000 (usable)
-[    0.000000]  Xen: 0000000008100000 - 0000000020800000 (unusable)
+[    0.000000]  Xen: 0000000000100000 - 0000000020800000 (usable)
...
 [    0.000000] NX (Execute Disable) protection: active
 [    0.000000] DMI not present or invalid.
 [    0.000000] e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)
 [    0.000000] e820 remove range: 00000000000a0000 - 0000000000100000 (usable)
-[    0.000000] last_pfn = 0x8100 max_arch_pfn = 0x1000000
+[    0.000000] last_pfn = 0x20800 max_arch_pfn = 0x1000000
 [    0.000000] initial memory mapped : 0 - 027ff000
 [    0.000000] Base memory trampoline at [c009f000] 9f000 size 4096
-[    0.000000] init_memory_mapping: 0000000000000000-0000000008100000
-[    0.000000]  0000000000 - 0008100000 page 4k
-[    0.000000] kernel direct mapping tables up to 8100000 @ 27bb000-27ff000
+[    0.000000] init_memory_mapping: 0000000000000000-0000000020800000
+[    0.000000]  0000000000 - 0020800000 page 4k
+[    0.000000] kernel direct mapping tables up to 20800000 @ 26f8000-27ff000
 [    0.000000] xen: setting RW the range 27e8000 - 27ff000
 [    0.000000] 0MB HIGHMEM available.
-[    0.000000] 129MB LOWMEM available.
-[    0.000000]   mapped low ram: 0 - 08100000
-[    0.000000]   low ram: 0 - 08100000
+[    0.000000] 520MB LOWMEM available.
+[    0.000000]   mapped low ram: 0 - 20800000
+[    0.000000]   low ram: 0 - 20800000

With this change "xl mem-set <domain> 512M" will successfully increase the
guest RAM (by reducing the balloon).

There is no change for dom0.

Reported-and-Tested-by:  George Shuklin <george.shuklin@gmail.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: stable@kernel.org
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 arch/x86/xen/setup.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 38d0af4fefec..a54ff1aab6eb 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -173,9 +173,21 @@ static unsigned long __init xen_get_max_pages(void)
 	domid_t domid = DOMID_SELF;
 	int ret;
 
-	ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
-	if (ret > 0)
-		max_pages = ret;
+	/*
+	 * For the initial domain we use the maximum reservation as
+	 * the maximum page.
+	 *
+	 * For guest domains the current maximum reservation reflects
+	 * the current maximum rather than the static maximum. In this
+	 * case the e820 map provided to us will cover the static
+	 * maximum region.
+	 */
+	if (xen_initial_domain()) {
+		ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid);
+		if (ret > 0)
+			max_pages = ret;
+	}
+
 	return min(max_pages, MAX_DOMAIN_PAGES);
 }
 
-- 
GitLab


From 63a741757d15320a25ebf5778f8651cce2ed0611 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Thu, 15 Dec 2011 11:28:46 -0500
Subject: [PATCH 1478/1594] xen/swiotlb: Use page alignment for early buffer
 allocation.

This fixes an odd bug found on a Dell PowerEdge 1850/0RC130
(BIOS A05 01/09/2006) where all of the modules doing pci_set_dma_mask
would fail with:

ata_piix 0000:00:1f.1: enabling device (0005 -> 0007)
ata_piix 0000:00:1f.1: can't derive routing for PCI INT A
ata_piix 0000:00:1f.1: BMDMA: failed to set dma mask, falling back to PIO

The issue was the Xen-SWIOTLB was allocated such as that the end of
buffer was stradling a page (and also above 4GB). The fix was
spotted by Kalev Leonid  which was to piggyback on git commit
e79f86b2ef9c0a8c47225217c1018b7d3d90101c "swiotlb: Use page alignment
for early buffer allocation" which:

	We could call free_bootmem_late() if swiotlb is not used, and
	it will shrink to page alignment.

	So alloc them with page alignment at first, to avoid lose two pages

And doing that fixes the outstanding issue.

CC: stable@kernel.org
Suggested-by: "Kalev, Leonid" <Leonid.Kalev@ca.com>
Reported-and-Tested-by: "Taylor, Neal E" <Neal.Taylor@ca.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 drivers/xen/swiotlb-xen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 8e964b91c447..284798aaf8b1 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -166,7 +166,7 @@ retry:
 	/*
 	 * Get IO TLB memory from any location.
 	 */
-	xen_io_tlb_start = alloc_bootmem(bytes);
+	xen_io_tlb_start = alloc_bootmem_pages(PAGE_ALIGN(bytes));
 	if (!xen_io_tlb_start) {
 		m = "Cannot allocate Xen-SWIOTLB buffer!\n";
 		goto error;
@@ -179,7 +179,7 @@ retry:
 			       bytes,
 			       xen_io_tlb_nslabs);
 	if (rc) {
-		free_bootmem(__pa(xen_io_tlb_start), bytes);
+		free_bootmem(__pa(xen_io_tlb_start), PAGE_ALIGN(bytes));
 		m = "Failed to get contiguous memory for DMA from Xen!\n"\
 		    "You either: don't have the permissions, do not have"\
 		    " enough free memory under 4GB, or the hypervisor memory"\
-- 
GitLab


From 87b9b0e0d50db3282fb1eb702307ccfca8775744 Mon Sep 17 00:00:00 2001
From: Ashish Jangam <ashish.jangam@kpitcummins.com>
Date: Thu, 15 Dec 2011 14:55:46 +0530
Subject: [PATCH 1479/1594] gpio: Fix DA9052 GPIO build errors.

This patch is functionally tested on Samsung SMDKV6410.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David Dajun Chen <dchen@diasemi.com>
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
[grant.likely: don't create an unnecessary header file]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/gpio/gpio-da9052.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c
index 038f5eb8b13d..f8ce29ef9f88 100644
--- a/drivers/gpio/gpio-da9052.c
+++ b/drivers/gpio/gpio-da9052.c
@@ -22,7 +22,6 @@
 #include <linux/mfd/da9052/da9052.h>
 #include <linux/mfd/da9052/reg.h>
 #include <linux/mfd/da9052/pdata.h>
-#include <linux/mfd/da9052/gpio.h>
 
 #define DA9052_INPUT				1
 #define DA9052_OUTPUT_OPENDRAIN		2
@@ -43,6 +42,9 @@
 #define DA9052_GPIO_MASK_UPPER_NIBBLE		0xF0
 #define DA9052_GPIO_MASK_LOWER_NIBBLE		0x0F
 #define DA9052_GPIO_NIBBLE_SHIFT		4
+#define DA9052_IRQ_GPI0			16
+#define DA9052_GPIO_ODD_SHIFT			7
+#define DA9052_GPIO_EVEN_SHIFT			3
 
 struct da9052_gpio {
 	struct da9052 *da9052;
@@ -104,33 +106,26 @@ static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset)
 static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
 {
 	struct da9052_gpio *gpio = to_da9052_gpio(gc);
-	unsigned char register_value = 0;
 	int ret;
 
 	if (da9052_gpio_port_odd(offset)) {
-		if (value) {
-			register_value = DA9052_GPIO_ODD_PORT_MODE;
 			ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
 						DA9052_GPIO_0_1_REG,
 						DA9052_GPIO_ODD_PORT_MODE,
-						register_value);
+						value << DA9052_GPIO_ODD_SHIFT);
 			if (ret != 0)
 				dev_err(gpio->da9052->dev,
 					"Failed to updated gpio odd reg,%d",
 					ret);
-		}
 	} else {
-		if (value) {
-			register_value = DA9052_GPIO_EVEN_PORT_MODE;
 			ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
 						DA9052_GPIO_0_1_REG,
 						DA9052_GPIO_EVEN_PORT_MODE,
-						register_value);
+						value << DA9052_GPIO_EVEN_SHIFT);
 			if (ret != 0)
 				dev_err(gpio->da9052->dev,
 					"Failed to updated gpio even reg,%d",
 					ret);
-		}
 	}
 }
 
@@ -201,9 +196,9 @@ static struct gpio_chip reference_gp __devinitdata = {
 	.direction_input = da9052_gpio_direction_input,
 	.direction_output = da9052_gpio_direction_output,
 	.to_irq = da9052_gpio_to_irq,
-	.can_sleep = 1;
-	.ngpio = 16;
-	.base = -1;
+	.can_sleep = 1,
+	.ngpio = 16,
+	.base = -1,
 };
 
 static int __devinit da9052_gpio_probe(struct platform_device *pdev)
-- 
GitLab


From e755d9ab387c4c2401dce5b6f435432a829f41cb Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 15 Dec 2011 13:36:29 -0500
Subject: [PATCH 1480/1594] Btrfs: deal with NULL srv_rsv in the delalloc inode
 reservation code

btrfs_update_inode is sometimes called with a null reservation.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/delayed-inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 6a1a6800776c..c7ddf8a01c54 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -640,8 +640,8 @@ static int btrfs_delayed_inode_reserve_metadata(
 	 * Now if src_rsv == delalloc_block_rsv we'll let it just steal since
 	 * we're accounted for.
 	 */
-	if (!trans->bytes_reserved &&
-	    src_rsv != &root->fs_info->delalloc_block_rsv) {
+	if (!src_rsv || (!trans->bytes_reserved &&
+	    src_rsv != &root->fs_info->delalloc_block_rsv)) {
 		ret = btrfs_block_rsv_add_noflush(root, dst_rsv, num_bytes);
 		/*
 		 * Since we're under a transaction reserve_metadata_bytes could
-- 
GitLab


From 4eabc941259f9d8c8fb71746d3f30c87e1d9e49b Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Thu, 15 Dec 2011 20:03:04 +0100
Subject: [PATCH 1481/1594] block: don't kick empty queue in blk_drain_queue()

While probing, fd sets up queue, probes hardware and tears down the
queue if probing fails.  In the process, blk_drain_queue() kicks the
queue which failed to finish initialization and fd is unhappy about
that.

  floppy0: no floppy controllers found
  ------------[ cut here ]------------
  WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xbf/0xd0()
  Hardware name: To Be Filled By O.E.M.
  VFS: do_fd_request called on non-open device
  Modules linked in:
  Pid: 1, comm: swapper Not tainted 3.2.0-rc4-00077-g5983fe2 #2
  Call Trace:
   [<ffffffff81039a6a>] warn_slowpath_common+0x7a/0xb0
   [<ffffffff81039b41>] warn_slowpath_fmt+0x41/0x50
   [<ffffffff813d657f>] do_fd_request+0xbf/0xd0
   [<ffffffff81322b95>] blk_drain_queue+0x65/0x80
   [<ffffffff81322c93>] blk_cleanup_queue+0xe3/0x1a0
   [<ffffffff818a809d>] floppy_init+0xdeb/0xe28
   [<ffffffff818a72b2>] ? daring+0x6b/0x6b
   [<ffffffff810002af>] do_one_initcall+0x3f/0x170
   [<ffffffff81884b34>] kernel_init+0x9d/0x11e
   [<ffffffff810317c2>] ? schedule_tail+0x22/0xa0
   [<ffffffff815dbb14>] kernel_thread_helper+0x4/0x10
   [<ffffffff81884a97>] ? start_kernel+0x2be/0x2be
   [<ffffffff815dbb10>] ? gs_change+0xb/0xb

Avoid it by making blk_drain_queue() kick queue iff dispatch queue has
something on it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Ralf Hildebrandt <Ralf.Hildebrandt@charite.de>
Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Tested-by: Sergei Trofimovich <slyich@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/blk-core.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 20d69f6beb6b..15de223c7f93 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -366,7 +366,14 @@ void blk_drain_queue(struct request_queue *q, bool drain_all)
 		if (drain_all)
 			blk_throtl_drain(q);
 
-		__blk_run_queue(q);
+		/*
+		 * This function might be called on a queue which failed
+		 * driver init after queue creation.  Some drivers
+		 * (e.g. fd) get unhappy in such cases.  Kick queue iff
+		 * dispatch queue has something on it.
+		 */
+		if (!list_empty(&q->queue_head))
+			__blk_run_queue(q);
 
 		if (drain_all)
 			nr_rqs = q->rq.count[0] + q->rq.count[1];
-- 
GitLab


From 9f57bd4d6dc69a4e3bf43044fa00fcd24dd363e3 Mon Sep 17 00:00:00 2001
From: Eugene Surovegin <ebs@ebshome.net>
Date: Thu, 15 Dec 2011 11:25:59 -0800
Subject: [PATCH 1482/1594] percpu: fix per_cpu_ptr_to_phys() handling of
 non-page-aligned addresses

per_cpu_ptr_to_phys() incorrectly rounds up its result for non-kmalloc
case to the page boundary, which is bogus for any non-page-aligned
address.

This affects the only in-tree user of this function - sysfs handler
for per-cpu 'crash_notes' physical address.  The trouble is that the
crash_notes per-cpu variable is not page-aligned:

crash_notes = 0xc08e8ed4
PER-CPU OFFSET VALUES:
 CPU 0: 3711f000
 CPU 1: 37129000
 CPU 2: 37133000
 CPU 3: 3713d000

So, the per-cpu addresses are:
 crash_notes on CPU 0: f7a07ed4 => phys 36b57ed4
 crash_notes on CPU 1: f7a11ed4 => phys 36b4ded4
 crash_notes on CPU 2: f7a1bed4 => phys 36b43ed4
 crash_notes on CPU 3: f7a25ed4 => phys 36b39ed4

However, /sys/devices/system/cpu/cpu*/crash_notes says:
 /sys/devices/system/cpu/cpu0/crash_notes: 36b57000
 /sys/devices/system/cpu/cpu1/crash_notes: 36b4d000
 /sys/devices/system/cpu/cpu2/crash_notes: 36b43000
 /sys/devices/system/cpu/cpu3/crash_notes: 36b39000

As you can see, all values are rounded down to a page
boundary. Consequently, this is where kexec sets up the NOTE segments,
and thus where the secondary kernel is looking for them. However, when
the first kernel crashes, it saves the notes to the unaligned
addresses, where they are not found.

Fix it by adding offset_in_page() to the translated page address.

-tj: Combined Eugene's and Petr's commit messages.

Signed-off-by: Eugene Surovegin <ebs@ebshome.net>
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Petr Tesarik <ptesarik@suse.cz>
Cc: stable@kernel.org
---
 mm/percpu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mm/percpu.c b/mm/percpu.c
index 3bb810a72006..716eb4acf2fc 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1023,9 +1023,11 @@ phys_addr_t per_cpu_ptr_to_phys(void *addr)
 		if (!is_vmalloc_addr(addr))
 			return __pa(addr);
 		else
-			return page_to_phys(vmalloc_to_page(addr));
+			return page_to_phys(vmalloc_to_page(addr)) +
+			       offset_in_page(addr);
 	} else
-		return page_to_phys(pcpu_addr_to_page(addr));
+		return page_to_phys(pcpu_addr_to_page(addr)) +
+		       offset_in_page(addr);
 }
 
 /**
-- 
GitLab


From d85c8a6f1bc083279215ff6e79b7c292bf3ec905 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 15 Dec 2011 15:38:41 -0500
Subject: [PATCH 1483/1594] Btrfs: unplug every once and a while

The btrfs io submission threads can build up massive plug lists.  This
keeps things more reasonable so we don't hand over huge dumps of IO at
once.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/volumes.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 91ea57a1474a..f4b839fd3c9d 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -295,6 +295,12 @@ loop_lock:
 			btrfs_requeue_work(&device->work);
 			goto done;
 		}
+		/* unplug every 64 requests just for good measure */
+		if (batch_run % 64 == 0) {
+			blk_finish_plug(&plug);
+			blk_start_plug(&plug);
+			sync_pending = 0;
+		}
 	}
 
 	cond_resched();
-- 
GitLab


From ddf5a25c5fdd4cc276edf451871c38002eec0f95 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Thu, 15 Dec 2011 21:47:56 +0100
Subject: [PATCH 1484/1594] ARM: unwinder: fix bisection to find origin in .idx
 section
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The bisection implemented in unwind_find_origin() stopped to early.  If
there is only a single entry left to check the original code just took
the end point as origin which might be wrong.

This was introduced in commit de66a979012d ("ARM: 7187/1: fix unwinding
for XIP kernels").

Reported-and-tested-by: Nick Bowler <nbowler@elliptictech.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/arm/kernel/unwind.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 3f03fe0c3269..00df012c4678 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -160,12 +160,12 @@ static const struct unwind_idx *unwind_find_origin(
 		const struct unwind_idx *start, const struct unwind_idx *stop)
 {
 	pr_debug("%s(%p, %p)\n", __func__, start, stop);
-	while (start < stop - 1) {
+	while (start < stop) {
 		const struct unwind_idx *mid = start + ((stop - start) >> 1);
 
 		if (mid->addr_offset >= 0x40000000)
 			/* negative offset */
-			start = mid;
+			start = mid + 1;
 		else
 			/* positive offset */
 			stop = mid;
-- 
GitLab


From 6c52961743f38747401b47127b82159ab6d8a7a4 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 15 Dec 2011 18:38:10 -0500
Subject: [PATCH 1485/1594] NFS: Fix a regression in nfs_file_llseek()

After commit 06222e491e663dac939f04b125c9dc52126a75c4 (fs: handle
SEEK_HOLE/SEEK_DATA properly in all fs's that define their own llseek)
the behaviour of llseek() was changed so that it always revalidates
the file size. The bug appears to be due to a logic error in the
afore-mentioned commit, which always evaluates to 'true'.

Reported-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org [>=3.1]
---
 fs/nfs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index eca56d4b39c0..606ef0f20aed 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -147,7 +147,7 @@ static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin)
 	 * origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate
 	 * the cached file length
 	 */
-	if (origin != SEEK_SET || origin != SEEK_CUR) {
+	if (origin != SEEK_SET && origin != SEEK_CUR) {
 		struct inode *inode = filp->f_mapping->host;
 
 		int retval = nfs_revalidate_file_size(inode, filp);
-- 
GitLab


From ab2789213d224202237292d78aaa0c386c7b28b2 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Thu, 15 Dec 2011 11:47:00 -0800
Subject: [PATCH 1486/1594] sched: Fix select_idle_sibling() regression in
 selecting an idle SMT sibling

Mike Galbraith reported that this recent commit:

   commit 4dcfe1025b513c2c1da5bf5586adb0e80148f612
   Author: Peter Zijlstra <peterz@infradead.org>
   Date:   Thu Nov 10 13:01:10 2011 +0100

       sched: Avoid SMT siblings in select_idle_sibling() if possible

stopped selecting an idle SMT sibling when there are no idle
cores in a single socket system.

Intent of the select_idle_sibling() was to fallback to an idle
SMT sibling, if it fails to identify an idle core. But this
fallback was not happening on systems where all the scheduler
domains had `SD_SHARE_PKG_RESOURCES' flag set.

Fix it. Slightly bigger patch of cleaning all these goto's etc
is queued up for the next release.

Reported-by: Mike Galbraith <efault@gmx.de>
Reported-by: Alex Shi <alex.shi@intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1323978421.1984.244.camel@sbsiddha-desk.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched_fair.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index a78ed2736ba7..8a39fa3e3c6c 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -2352,13 +2352,11 @@ again:
 		if (!smt && (sd->flags & SD_SHARE_CPUPOWER))
 			continue;
 
-		if (!(sd->flags & SD_SHARE_PKG_RESOURCES)) {
-			if (!smt) {
-				smt = 1;
-				goto again;
-			}
+		if (smt && !(sd->flags & SD_SHARE_CPUPOWER))
+			break;
+
+		if (!(sd->flags & SD_SHARE_PKG_RESOURCES))
 			break;
-		}
 
 		sg = sd->groups;
 		do {
@@ -2378,6 +2376,10 @@ next:
 			sg = sg->next;
 		} while (sg != sd->groups);
 	}
+	if (!smt) {
+		smt = 1;
+		goto again;
+	}
 done:
 	rcu_read_unlock();
 
-- 
GitLab


From 0999bbe08196cd9459683204974fda4d62a7d1b3 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 28 Nov 2011 12:22:56 -0500
Subject: [PATCH 1487/1594] drm/i915: no-lvds quirk for ASUS AT5NM10T-I

https://bugzilla.redhat.com/show_bug.cgi?id=750006

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_lvds.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 42f165a520de..e44191132ac4 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -715,6 +715,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "EB1007"),
 		},
 	},
+	{
+		.callback = intel_no_lvds_dmi_callback,
+		.ident = "Asus AT5NM10T-I",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"),
+		},
+	},
 
 	{ }	/* terminating entry */
 };
-- 
GitLab


From 3573c4103f7a486838bb6b5b8353788103f91802 Mon Sep 17 00:00:00 2001
From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Fri, 14 Oct 2011 18:16:22 -0300
Subject: [PATCH 1488/1594] drm/i915: set the right SDVO transcoder for CPT

v2: add a CPT-specific macro, make code cleaner
v3: fix commit message

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41272
Cc: stable@kernel.org
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_reg.h   | 8 ++++----
 drivers/gpu/drm/i915/intel_sdvo.c | 8 ++++++--
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 6ef68c74189d..a26d5b0a3690 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3303,10 +3303,10 @@
 /* or SDVOB */
 #define HDMIB   0xe1140
 #define  PORT_ENABLE    (1 << 31)
-#define  TRANSCODER_A   (0)
-#define  TRANSCODER_B   (1 << 30)
-#define  TRANSCODER(pipe)	((pipe) << 30)
-#define  TRANSCODER_MASK   (1 << 30)
+#define  TRANSCODER(pipe)       ((pipe) << 30)
+#define  TRANSCODER_CPT(pipe)   ((pipe) << 29)
+#define  TRANSCODER_MASK        (1 << 30)
+#define  TRANSCODER_MASK_CPT    (3 << 29)
 #define  COLOR_FORMAT_8bpc      (0)
 #define  COLOR_FORMAT_12bpc     (3 << 26)
 #define  SDVOB_HOTPLUG_ENABLE   (1 << 23)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 3003fb25aefd..e308d674c669 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1086,8 +1086,12 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 		}
 		sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
 	}
-	if (intel_crtc->pipe == 1)
-		sdvox |= SDVO_PIPE_B_SELECT;
+
+	if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
+		sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
+	else
+		sdvox |= TRANSCODER(intel_crtc->pipe);
+
 	if (intel_sdvo->has_hdmi_audio)
 		sdvox |= SDVO_AUDIO_ENABLE;
 
-- 
GitLab


From 03d00ac53f9bcde06ff7e33d6676083c18d569a4 Mon Sep 17 00:00:00 2001
From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Fri, 14 Oct 2011 18:17:41 -0300
Subject: [PATCH 1489/1594] drm/i915: add PCH info to i915_capabilities

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d09a6e02dc95..004b048c5192 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -62,6 +62,7 @@ static int i915_capabilities(struct seq_file *m, void *data)
 	const struct intel_device_info *info = INTEL_INFO(dev);
 
 	seq_printf(m, "gen: %d\n", info->gen);
+	seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev));
 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
 	B(is_mobile);
 	B(is_i85x);
-- 
GitLab


From 4ed0b577457eb6aeb7cdc7e7316576e63d15abb2 Mon Sep 17 00:00:00 2001
From: Eugeni Dodonov <eugeni.dodonov@intel.com>
Date: Thu, 10 Nov 2011 13:55:15 -0200
Subject: [PATCH 1490/1594] drm/i915: prevent division by zero when asking for
 chipset power

This prevents an in-kernel division by zero which happens when we are
asking for i915_chipset_val too quickly, or within a race condition
between the power monitoring thread and userspace accesses via debugfs.

The issue can be reproduced easily via the following command:
while ``; do cat /sys/kernel/debug/dri/0/i915_emon_status; done

This is particularly dangerous because it can be triggered by
a non-privileged user by just reading the debugfs entry.

This issue was also found independently by Konstantin Belousov
<kostikbel@gmail.com>, who proposed a similar patch.

Reported-by: Konstantin Belousov <kostikbel@gmail.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 10 ++++++++++
 drivers/gpu/drm/i915/i915_drv.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a9533c54c93c..a9ae374861e7 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1454,6 +1454,14 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
 
 	diff1 = now - dev_priv->last_time1;
 
+	/* Prevent division-by-zero if we are asking too fast.
+	 * Also, we don't get interesting results if we are polling
+	 * faster than once in 10ms, so just return the saved value
+	 * in such cases.
+	 */
+	if (diff1 <= 10)
+		return dev_priv->chipset_power;
+
 	count1 = I915_READ(DMIEC);
 	count2 = I915_READ(DDREC);
 	count3 = I915_READ(CSIEC);
@@ -1484,6 +1492,8 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
 	dev_priv->last_count1 = total_count;
 	dev_priv->last_time1 = now;
 
+	dev_priv->chipset_power = ret;
+
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8ba88cfc36de..39a72f642b33 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -713,6 +713,7 @@ typedef struct drm_i915_private {
 
 	u64 last_count1;
 	unsigned long last_time1;
+	unsigned long chipset_power;
 	u64 last_count2;
 	struct timespec last_time2;
 	unsigned long gfx_power;
-- 
GitLab


From 522200858093a6f31af9830672109f6d9807dd1e Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 20 Jun 2011 14:45:50 +0100
Subject: [PATCH 1491/1594] drm/i915/sdvo: Include LVDS panels for the
 IS_DIGITAL check

We were checking whether the supplied edid matched the connector it was
read from. We do this in case a DDC read returns an EDID for another
device on a multifunction or otherwise interesting card. However, we
failed to include LVDS as a digital device and so rejecting an otherwise
valid EDID.

Fixes the detection of the secondary SDVO LVDS panel on the Libretto
W105.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=39216
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_sdvo.c | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index e308d674c669..f7b9268df266 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -50,6 +50,7 @@
 #define IS_TMDS(c)	(c->output_flag & SDVO_TMDS_MASK)
 #define IS_LVDS(c)	(c->output_flag & SDVO_LVDS_MASK)
 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
+#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
 
 
 static const char *tv_format_names[] = {
@@ -1318,6 +1319,18 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
 	return status;
 }
 
+static bool
+intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
+				  struct edid *edid)
+{
+	bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+	bool connector_is_digital = !!IS_DIGITAL(sdvo);
+
+	DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
+		      connector_is_digital, monitor_is_digital);
+	return connector_is_digital == monitor_is_digital;
+}
+
 static enum drm_connector_status
 intel_sdvo_detect(struct drm_connector *connector, bool force)
 {
@@ -1362,10 +1375,12 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
 		if (edid == NULL)
 			edid = intel_sdvo_get_analog_edid(connector);
 		if (edid != NULL) {
-			if (edid->input & DRM_EDID_INPUT_DIGITAL)
-				ret = connector_status_disconnected;
-			else
+			if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
+							      edid))
 				ret = connector_status_connected;
+			else
+				ret = connector_status_disconnected;
+
 			connector->display_info.raw_edid = NULL;
 			kfree(edid);
 		} else
@@ -1406,11 +1421,8 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
 		edid = intel_sdvo_get_analog_edid(connector);
 
 	if (edid != NULL) {
-		struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
-		bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
-		bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
-
-		if (connector_is_digital == monitor_is_digital) {
+		if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
+						      edid)) {
 			drm_mode_connector_update_edid_property(connector, edid);
 			drm_add_edid_modes(connector, edid);
 		}
-- 
GitLab


From 8bc1f85c02a20a59956b00b3acea12c04dce9ae8 Mon Sep 17 00:00:00 2001
From: Eugeni Dodonov <eugeni.dodonov@intel.com>
Date: Wed, 23 Nov 2011 16:42:14 -0200
Subject: [PATCH 1492/1594] iommu: Export intel_iommu_enabled to signal when
 iommu is in use

In i915 driver, we do not enable either rc6 or semaphores on SNB when dmar
is enabled. The new 'intel_iommu_enabled' variable signals when the
iommu code is in operation.

Cc: Ted Phelps <phelps@gnusto.com>
Cc: Peter <pab1612@gmail.com>
Cc: Lukas Hejtmanek <xhejtman@fi.muni.cz>
Cc: Andrew Lutomirski <luto@mit.edu>
CC: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/iommu/intel-iommu.c   | 5 +++++
 include/linux/dma_remapping.h | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c0c7820d4c46..8dc19b8f5d45 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -405,6 +405,9 @@ int dmar_disabled = 0;
 int dmar_disabled = 1;
 #endif /*CONFIG_INTEL_IOMMU_DEFAULT_ON*/
 
+int intel_iommu_enabled = 0;
+EXPORT_SYMBOL_GPL(intel_iommu_enabled);
+
 static int dmar_map_gfx = 1;
 static int dmar_forcedac;
 static int intel_iommu_strict;
@@ -3647,6 +3650,8 @@ int __init intel_iommu_init(void)
 
 	bus_register_notifier(&pci_bus_type, &device_nb);
 
+	intel_iommu_enabled = 1;
+
 	return 0;
 }
 
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index ef90cbd8e173..57c9a8ae4f2d 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -31,6 +31,7 @@ extern void free_dmar_iommu(struct intel_iommu *iommu);
 extern int iommu_calculate_agaw(struct intel_iommu *iommu);
 extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
 extern int dmar_disabled;
+extern int intel_iommu_enabled;
 #else
 static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
 {
@@ -44,6 +45,7 @@ static inline void free_dmar_iommu(struct intel_iommu *iommu)
 {
 }
 #define dmar_disabled	(1)
+#define intel_iommu_enabled (0)
 #endif
 
 
-- 
GitLab


From c0f372b3746d4ede07b2ace2beabd38d9c045b25 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 16 Nov 2011 22:24:52 -0800
Subject: [PATCH 1493/1594] drm/i915: By default, enable RC6 on IVB and SNB
 when reasonable

RC6 should always work on IVB, and should work on SNB whenever IO
remapping is disabled. RC6 never works on Ironlake. Make the default
value for the parameter follow these guidelines. Setting the value
to either 0 or 1 will force the specified behavior.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38567
Cc: Ted Phelps <phelps@gnusto.com>
Cc: Peter <pab1612@gmail.com>
Cc: Lukas Hejtmanek <xhejtman@fi.muni.cz>
Cc: Andrew Lutomirski <luto@mit.edu>
---
 drivers/gpu/drm/i915/i915_drv.c      |  4 ++--
 drivers/gpu/drm/i915/i915_drv.h      |  2 +-
 drivers/gpu/drm/i915/intel_display.c | 33 +++++++++++++++++++++++++---
 3 files changed, 33 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 28836fe72211..47a42eb6cc43 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -63,10 +63,10 @@ module_param_named(semaphores, i915_semaphores, int, 0600);
 MODULE_PARM_DESC(semaphores,
 		"Use semaphores for inter-ring sync (default: false)");
 
-unsigned int i915_enable_rc6 __read_mostly = 0;
+int i915_enable_rc6 __read_mostly = -1;
 module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
 MODULE_PARM_DESC(i915_enable_rc6,
-		"Enable power-saving render C-state 6 (default: true)");
+		"Enable power-saving render C-state 6 (default: -1 (use per-chip default)");
 
 int i915_enable_fbc __read_mostly = -1;
 module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 39a72f642b33..6bcafb5bf7fe 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1006,7 +1006,7 @@ extern unsigned int i915_semaphores __read_mostly;
 extern unsigned int i915_lvds_downclock __read_mostly;
 extern int i915_panel_use_ssc __read_mostly;
 extern int i915_vbt_sdvo_panel_type __read_mostly;
-extern unsigned int i915_enable_rc6 __read_mostly;
+extern int i915_enable_rc6 __read_mostly;
 extern int i915_enable_fbc __read_mostly;
 extern bool i915_enable_hangcheck __read_mostly;
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 633c69365388..d544de9e6634 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -38,8 +38,8 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 #include "drm_dp_helper.h"
-
 #include "drm_crtc_helper.h"
+#include <linux/dma_remapping.h>
 
 #define HAS_eDP (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))
 
@@ -7887,6 +7887,33 @@ void intel_init_emon(struct drm_device *dev)
 	dev_priv->corr = (lcfuse & LCFUSE_HIV_MASK);
 }
 
+static bool intel_enable_rc6(struct drm_device *dev)
+{
+	/*
+	 * Respect the kernel parameter if it is set
+	 */
+	if (i915_enable_rc6 >= 0)
+		return i915_enable_rc6;
+
+	/*
+	 * Disable RC6 on Ironlake
+	 */
+	if (INTEL_INFO(dev)->gen == 5)
+		return 0;
+
+	/*
+	 * Enable rc6 on Sandybridge if DMA remapping is disabled
+	 */
+	if (INTEL_INFO(dev)->gen == 6) {
+		DRM_DEBUG_DRIVER("Sandybridge: intel_iommu_enabled %s -- RC6 %sabled\n",
+				 intel_iommu_enabled ? "true" : "false",
+				 !intel_iommu_enabled ? "en" : "dis");
+		return !intel_iommu_enabled;
+	}
+	DRM_DEBUG_DRIVER("RC6 enabled\n");
+	return 1;
+}
+
 void gen6_enable_rps(struct drm_i915_private *dev_priv)
 {
 	u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
@@ -7923,7 +7950,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
 	I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
 	I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
 
-	if (i915_enable_rc6)
+	if (intel_enable_rc6(dev_priv->dev))
 		rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
 			GEN6_RC_CTL_RC6_ENABLE;
 
@@ -8372,7 +8399,7 @@ void ironlake_enable_rc6(struct drm_device *dev)
 	/* rc6 disabled by default due to repeated reports of hanging during
 	 * boot and resume.
 	 */
-	if (!i915_enable_rc6)
+	if (!intel_enable_rc6(dev))
 		return;
 
 	mutex_lock(&dev->struct_mutex);
-- 
GitLab


From 7317c75e66fce0c9f82fbe6f72f7e5256b315422 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon, 29 Aug 2011 09:45:28 -0700
Subject: [PATCH 1494/1594] drm/i915: don't set unpin_work if vblank_get fails

This fixes a race where we may try to finish a page flip and decrement
the refcount even if our vblank_get failed and we ended up with a
spurious flip pending interrupt.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=34211.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_display.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d544de9e6634..91b5f8707a62 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7189,11 +7189,16 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 	work->old_fb_obj = intel_fb->obj;
 	INIT_WORK(&work->work, intel_unpin_work_fn);
 
+	ret = drm_vblank_get(dev, intel_crtc->pipe);
+	if (ret)
+		goto free_work;
+
 	/* We borrow the event spin lock for protecting unpin_work */
 	spin_lock_irqsave(&dev->event_lock, flags);
 	if (intel_crtc->unpin_work) {
 		spin_unlock_irqrestore(&dev->event_lock, flags);
 		kfree(work);
+		drm_vblank_put(dev, intel_crtc->pipe);
 
 		DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
 		return -EBUSY;
@@ -7212,10 +7217,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
 	crtc->fb = fb;
 
-	ret = drm_vblank_get(dev, intel_crtc->pipe);
-	if (ret)
-		goto cleanup_objs;
-
 	work->pending_flip_obj = obj;
 
 	work->enable_stall_check = true;
@@ -7238,7 +7239,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
 cleanup_pending:
 	atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
-cleanup_objs:
 	drm_gem_object_unreference(&work->old_fb_obj->base);
 	drm_gem_object_unreference(&obj->base);
 	mutex_unlock(&dev->struct_mutex);
@@ -7247,6 +7247,8 @@ cleanup_objs:
 	intel_crtc->unpin_work = NULL;
 	spin_unlock_irqrestore(&dev->event_lock, flags);
 
+	drm_vblank_put(dev, intel_crtc->pipe);
+free_work:
 	kfree(work);
 
 	return ret;
-- 
GitLab


From f45b55575cedb7efa782e43f1ea74338456d0381 Mon Sep 17 00:00:00 2001
From: Eugeni Dodonov <eugeni.dodonov@intel.com>
Date: Fri, 9 Dec 2011 17:16:37 -0800
Subject: [PATCH 1495/1594] drm/i915: enable semaphores on per-device defaults

This adds a default setting for semaphores parameter, and enables
semaphores by default on IVB.

For now, as semaphores interaction with VTd causes random issues on
SNB, we do not enable them by default. But they can still be enabled
via the semaphores=1 kernel parameter.

v2: enables semaphores on SNB when IO remapping is disabled, with base
on Keith Packard patch.

CC: Daniel Vetter <daniel.vetter@ffwll.ch>
CC: Ben Widawsky <ben@bwidawsk.net>
CC: Keith Packard <keithp@keithp.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: Chris Wilson <chris@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42696
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=40564
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41353
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38862
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/i915_drv.c            |  4 ++--
 drivers/gpu/drm/i915/i915_drv.h            |  2 +-
 drivers/gpu/drm/i915/i915_gem_execbuffer.c | 19 ++++++++++++++++++-
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 47a42eb6cc43..a1103fc6597d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -58,10 +58,10 @@ module_param_named(powersave, i915_powersave, int, 0600);
 MODULE_PARM_DESC(powersave,
 		"Enable powersavings, fbc, downclocking, etc. (default: true)");
 
-unsigned int i915_semaphores __read_mostly = 0;
+int i915_semaphores __read_mostly = -1;
 module_param_named(semaphores, i915_semaphores, int, 0600);
 MODULE_PARM_DESC(semaphores,
-		"Use semaphores for inter-ring sync (default: false)");
+		"Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
 
 int i915_enable_rc6 __read_mostly = -1;
 module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 6bcafb5bf7fe..554bef7a3b9c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1002,7 +1002,7 @@ extern int i915_max_ioctl;
 extern unsigned int i915_fbpercrtc __always_unused;
 extern int i915_panel_ignore_lid __read_mostly;
 extern unsigned int i915_powersave __read_mostly;
-extern unsigned int i915_semaphores __read_mostly;
+extern int i915_semaphores __read_mostly;
 extern unsigned int i915_lvds_downclock __read_mostly;
 extern int i915_panel_use_ssc __read_mostly;
 extern int i915_vbt_sdvo_panel_type __read_mostly;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3693e83a97f3..c681dc149d2a 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -32,6 +32,7 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 #include "intel_drv.h"
+#include <linux/dma_remapping.h>
 
 struct change_domains {
 	uint32_t invalidate_domains;
@@ -746,6 +747,22 @@ i915_gem_execbuffer_flush(struct drm_device *dev,
 	return 0;
 }
 
+static bool
+intel_enable_semaphores(struct drm_device *dev)
+{
+	if (INTEL_INFO(dev)->gen < 6)
+		return 0;
+
+	if (i915_semaphores >= 0)
+		return i915_semaphores;
+
+	/* Enable semaphores on SNB when IO remapping is off */
+	if (INTEL_INFO(dev)->gen == 6)
+		return !intel_iommu_enabled;
+
+	return 1;
+}
+
 static int
 i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
 			       struct intel_ring_buffer *to)
@@ -758,7 +775,7 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
 		return 0;
 
 	/* XXX gpu semaphores are implicated in various hard hangs on SNB */
-	if (INTEL_INFO(obj->base.dev)->gen < 6 || !i915_semaphores)
+	if (!intel_enable_semaphores(obj->base.dev))
 		return i915_gem_object_wait_rendering(obj);
 
 	idx = intel_ring_sync_index(from, to);
-- 
GitLab


From 3b5c78a35cf7511c15e09a9b0ffab290a42d9bcf Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Tue, 13 Dec 2011 15:41:00 -0800
Subject: [PATCH 1496/1594] drm/i915/dp: Dither down to 6bpc if it makes the
 mode fit

Some active adaptors (VGA usually) only have two lanes at 2.7GHz.
That's a maximum pixel clock of 144MHz at 8bpc, but 192MHz at 6bpc.

Fixes Asus UX31 panel being black at startup due to no valid modes since
dc22ee6fc18ce0f15424e753e8473c306ece95c1.

v2: Rebased to current code, resulting in the fix applying to EDP panels as
    well.  Also changed from spatio-temporal to just spatial dithering on
    pre-ironlake, to be conssitent (and less visual flicker)

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Tested-by: Eric Anholt <eric@anholt.net>
Tested-by: Dirk Hohndel <hohndel@infradead.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 drivers/gpu/drm/i915/intel_display.c | 22 ++++++++++++++++++++--
 drivers/gpu/drm/i915/intel_dp.c      | 24 ++++++++++++++++++------
 drivers/gpu/drm/i915/intel_drv.h     |  1 +
 3 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 91b5f8707a62..d809b038ca88 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4670,6 +4670,7 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
 /**
  * intel_choose_pipe_bpp_dither - figure out what color depth the pipe should send
  * @crtc: CRTC structure
+ * @mode: requested mode
  *
  * A pipe may be connected to one or more outputs.  Based on the depth of the
  * attached framebuffer, choose a good color depth to use on the pipe.
@@ -4681,13 +4682,15 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
  *    HDMI supports only 8bpc or 12bpc, so clamp to 8bpc with dither for 10bpc
  *    Displays may support a restricted set as well, check EDID and clamp as
  *      appropriate.
+ *    DP may want to dither down to 6bpc to fit larger modes
  *
  * RETURNS:
  * Dithering requirement (i.e. false if display bpc and pipe bpc match,
  * true if they don't match).
  */
 static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
-					 unsigned int *pipe_bpp)
+					 unsigned int *pipe_bpp,
+					 struct drm_display_mode *mode)
 {
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4758,6 +4761,11 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
 		}
 	}
 
+	if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+		DRM_DEBUG_KMS("Dithering DP to 6bpc\n");
+		display_bpc = 6;
+	}
+
 	/*
 	 * We could just drive the pipe at the highest bpc all the time and
 	 * enable dithering as needed, but that costs bandwidth.  So choose
@@ -5019,6 +5027,16 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
 			pipeconf &= ~PIPECONF_DOUBLE_WIDE;
 	}
 
+	/* default to 8bpc */
+	pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
+	if (is_dp) {
+		if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+			pipeconf |= PIPECONF_BPP_6 |
+				    PIPECONF_DITHER_EN |
+				    PIPECONF_DITHER_TYPE_SP;
+		}
+	}
+
 	dpll |= DPLL_VCO_ENABLE;
 
 	DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
@@ -5480,7 +5498,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
 	/* determine panel color depth */
 	temp = I915_READ(PIPECONF(pipe));
 	temp &= ~PIPE_BPC_MASK;
-	dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp);
+	dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode);
 	switch (pipe_bpp) {
 	case 18:
 		temp |= PIPE_6BPC;
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 294f55788f0b..92b041b66e49 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -208,13 +208,15 @@ intel_dp_link_clock(uint8_t link_bw)
  */
 
 static int
-intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock)
+intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock, int check_bpp)
 {
 	struct drm_crtc *crtc = intel_dp->base.base.crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int bpp = 24;
 
-	if (intel_crtc)
+	if (check_bpp)
+		bpp = check_bpp;
+	else if (intel_crtc)
 		bpp = intel_crtc->bpp;
 
 	return (pixel_clock * bpp + 9) / 10;
@@ -233,6 +235,7 @@ intel_dp_mode_valid(struct drm_connector *connector,
 	struct intel_dp *intel_dp = intel_attached_dp(connector);
 	int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
 	int max_lanes = intel_dp_max_lane_count(intel_dp);
+	int max_rate, mode_rate;
 
 	if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
 		if (mode->hdisplay > intel_dp->panel_fixed_mode->hdisplay)
@@ -242,9 +245,17 @@ intel_dp_mode_valid(struct drm_connector *connector,
 			return MODE_PANEL;
 	}
 
-	if (intel_dp_link_required(intel_dp, mode->clock)
-	    > intel_dp_max_data_rate(max_link_clock, max_lanes))
-		return MODE_CLOCK_HIGH;
+	mode_rate = intel_dp_link_required(intel_dp, mode->clock, 0);
+	max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
+
+	if (mode_rate > max_rate) {
+			mode_rate = intel_dp_link_required(intel_dp,
+							   mode->clock, 18);
+			if (mode_rate > max_rate)
+				return MODE_CLOCK_HIGH;
+			else
+				mode->private_flags |= INTEL_MODE_DP_FORCE_6BPC;
+	}
 
 	if (mode->clock < 10000)
 		return MODE_CLOCK_LOW;
@@ -672,6 +683,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	int lane_count, clock;
 	int max_lane_count = intel_dp_max_lane_count(intel_dp);
 	int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
+	int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 0;
 	static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
 
 	if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
@@ -689,7 +701,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		for (clock = 0; clock <= max_clock; clock++) {
 			int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
 
-			if (intel_dp_link_required(intel_dp, mode->clock)
+			if (intel_dp_link_required(intel_dp, mode->clock, bpp)
 					<= link_avail) {
 				intel_dp->link_bw = bws[clock];
 				intel_dp->lane_count = lane_count;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index bd9a604b73da..a1b4343814e8 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -110,6 +110,7 @@
 /* drm_display_mode->private_flags */
 #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
 #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
+#define INTEL_MODE_DP_FORCE_6BPC (0x10)
 
 static inline void
 intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
-- 
GitLab


From 142349f541d0bb6bc3e0d4563268105aada42b0b Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Fri, 16 Dec 2011 12:32:57 -0500
Subject: [PATCH 1497/1594] btrfs: lower the dirty balance poll interval

Tests show that the original large intervals can easily make the dirty
limit exceeded on 100 concurrent dd's. So adapt to as large as the
next check point selected by the dirty throttling algorithm.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/file.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index dafdfa059bf6..52305a885c3f 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1167,6 +1167,8 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
 	nrptrs = min((iov_iter_count(i) + PAGE_CACHE_SIZE - 1) /
 		     PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
 		     (sizeof(struct page *)));
+	nrptrs = min(nrptrs, current->nr_dirtied_pause - current->nr_dirtied);
+	nrptrs = max(nrptrs, 8);
 	pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL);
 	if (!pages)
 		return -ENOMEM;
-- 
GitLab


From ed4a51842a9d9e618d4f4c31349b15b974dba5df Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 16 Dec 2011 12:58:39 -0800
Subject: [PATCH 1498/1594] Revert "drm/i915: fix infinite recursion on unbind
 due to ilk vt-d w/a"

This reverts commit eb1711bb94991e93669c5a1b5f84f11be2d51ea1.

It blows up the i915 seqno tracking, resulting in the

	BUG_ON(seqno == 0);

in i915_wait_request() triggering, which will cause lock-ups.

See for example
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/903010
  https://lkml.org/lkml/2011/12/14/395

Reported-requested-and-tested-by: Dirk Hohndel <dirk@hohndel.org>
Reported-by: Richard Eames <Richard.Eames@flinders.edu.au>
Reported-by: Rocko Requin <rockorequin@hotmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Keith Packard <keithp@keithp.com>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpu/drm/i915/i915_gem.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 60ff1b63b568..8359dc777041 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2026,13 +2026,8 @@ i915_wait_request(struct intel_ring_buffer *ring,
 	 * to handle this, the waiter on a request often wants an associated
 	 * buffer to have made it to the inactive list, and we would need
 	 * a separate wait queue to handle that.
-	 *
-	 * To avoid a recursion with the ilk VT-d workaround (that calls
-	 * gpu_idle when unbinding objects with interruptible==false) don't
-	 * retire requests in that case (because it might call unbind if the
-	 * active list holds the last reference to the object).
 	 */
-	if (ret == 0 && dev_priv->mm.interruptible)
+	if (ret == 0)
 		i915_gem_retire_requests_ring(ring);
 
 	return ret;
-- 
GitLab


From 384703b8e6cd4c8ef08512e596024e028c91c339 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 16 Dec 2011 18:36:26 -0800
Subject: [PATCH 1499/1594] Linux 3.2-rc6

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index d1ea73f74c2f..a43733df3978 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
-- 
GitLab


From b3bba872ddb0320a7ecb54decae53c13ceb2ed4c Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Thu, 8 Dec 2011 16:53:54 -0600
Subject: [PATCH 1500/1594] writeback: show writeback reason with
 __print_symbolic

This makes the binary trace understandable by trace-cmd.

CC: Dave Chinner <david@fromorbit.com>
CC: Curt Wohlgemuth <curtw@google.com>
CC: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 fs/fs-writeback.c                | 11 -----------
 include/trace/events/writeback.h | 15 +++++++++++++--
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index ac86f8b3e3cb..517f211a3bd4 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -47,17 +47,6 @@ struct wb_writeback_work {
 	struct completion *done;	/* set if the caller waits */
 };
 
-const char *wb_reason_name[] = {
-	[WB_REASON_BACKGROUND]		= "background",
-	[WB_REASON_TRY_TO_FREE_PAGES]	= "try_to_free_pages",
-	[WB_REASON_SYNC]		= "sync",
-	[WB_REASON_PERIODIC]		= "periodic",
-	[WB_REASON_LAPTOP_TIMER]	= "laptop_timer",
-	[WB_REASON_FREE_MORE_MEM]	= "free_more_memory",
-	[WB_REASON_FS_FREE_SPACE]	= "fs_free_space",
-	[WB_REASON_FORKER_THREAD]	= "forker_thread"
-};
-
 /*
  * Include the creation of the trace points after defining the
  * wb_writeback_work structure so that the definition remains local to this
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index b99caa8b780c..99d1d0decf88 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -21,6 +21,16 @@
 		{I_REFERENCED,		"I_REFERENCED"}		\
 	)
 
+#define WB_WORK_REASON							\
+		{WB_REASON_BACKGROUND,		"background"},		\
+		{WB_REASON_TRY_TO_FREE_PAGES,	"try_to_free_pages"},	\
+		{WB_REASON_SYNC,		"sync"},		\
+		{WB_REASON_PERIODIC,		"periodic"},		\
+		{WB_REASON_LAPTOP_TIMER,	"laptop_timer"},	\
+		{WB_REASON_FREE_MORE_MEM,	"free_more_memory"},	\
+		{WB_REASON_FS_FREE_SPACE,	"fs_free_space"},	\
+		{WB_REASON_FORKER_THREAD,	"forker_thread"}
+
 struct wb_writeback_work;
 
 DECLARE_EVENT_CLASS(writeback_work_class,
@@ -55,7 +65,7 @@ DECLARE_EVENT_CLASS(writeback_work_class,
 		  __entry->for_kupdate,
 		  __entry->range_cyclic,
 		  __entry->for_background,
-		  wb_reason_name[__entry->reason]
+		  __print_symbolic(__entry->reason, WB_WORK_REASON)
 	)
 );
 #define DEFINE_WRITEBACK_WORK_EVENT(name) \
@@ -184,7 +194,8 @@ TRACE_EVENT(writeback_queue_io,
 		__entry->older,	/* older_than_this in jiffies */
 		__entry->age,	/* older_than_this in relative milliseconds */
 		__entry->moved,
-		wb_reason_name[__entry->reason])
+		__print_symbolic(__entry->reason, WB_WORK_REASON)
+	)
 );
 
 TRACE_EVENT(global_dirty_state,
-- 
GitLab


From 37de03ea1246c8280f6c8c6f61ea98973e9b9448 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 9 Dec 2011 20:55:03 +0800
Subject: [PATCH 1501/1594] i2c: i2c-s3c2410: Add a cpu_relax() to busy wait
 for bus idle

Be a bit more friendly.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 drivers/i2c/busses/i2c-s3c2410.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 2754cef86a06..37b2de106808 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -534,6 +534,7 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c,
 
 	/* first, try busy waiting briefly */
 	do {
+		cpu_relax();
 		iicstat = readl(i2c->regs + S3C2410_IICSTAT);
 	} while ((iicstat & S3C2410_IICSTAT_START) && --spins);
 
-- 
GitLab


From 8ebe661dd2ab16e2e9c272ed5c86019c7407b9a1 Mon Sep 17 00:00:00 2001
From: Tushar Behera <tushar.behera@linaro.org>
Date: Fri, 9 Dec 2011 15:33:55 +0530
Subject: [PATCH 1502/1594] i2c-s3c2410: Fix return code of
 s3c24xx_i2c_parse_dt_gpio

s3c24xx_i2c_parse_dt_gpio is called when cfg_gpio is not defined
in the platform data of the i2c device. When DT is not enabled,
the above function always returns -EINVAL. Since there can be
some i2c devices which don't need to configure any gpio lines,
the probe of such devices would fail here. Changing the default
return value to success would fix this issue.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 drivers/i2c/busses/i2c-s3c2410.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 37b2de106808..4c1718081685 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -787,7 +787,7 @@ static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c)
 #else
 static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c)
 {
-	return -EINVAL;
+	return 0;
 }
 
 static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c)
-- 
GitLab


From 1d5a34fe990c9e2e2f672b238ad881d0d4ed376b Mon Sep 17 00:00:00 2001
From: Shubhrajyoti D <shubhrajyoti@ti.com>
Date: Tue, 6 Dec 2011 10:25:58 -0800
Subject: [PATCH 1503/1594] I2C: OMAP: fix FIFO usage for OMAP4

Currently the fifo depth is set to zero for OMAP4 which disables
the FIFO usage. This patch enables the FIFO usage for I2C transactions
on OMAP4 also.

Tested on omap4430 and 3430.

Tested-and-Reported-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 drivers/i2c/busses/i2c-omap.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index a43d0023446a..fa23faa20f0e 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1047,13 +1047,14 @@ omap_i2c_probe(struct platform_device *pdev)
 		 * size. This is to ensure that we can handle the status on int
 		 * call back latencies.
 		 */
-		if (dev->rev >= OMAP_I2C_REV_ON_3530_4430) {
-			dev->fifo_size = 0;
+
+		dev->fifo_size = (dev->fifo_size / 2);
+
+		if (dev->rev >= OMAP_I2C_REV_ON_3530_4430)
 			dev->b_hw = 0; /* Disable hardware fixes */
-		} else {
-			dev->fifo_size = (dev->fifo_size / 2);
+		else
 			dev->b_hw = 1; /* Enable hardware fixes */
-		}
+
 		/* calculate wakeup latency constraint for MPU */
 		if (dev->set_mpu_wkup_lat != NULL)
 			dev->latency = (1000000 * dev->fifo_size) /
-- 
GitLab


From 0d5fb5ea7d0e6bc84a523c39a666d7eb1a7e43de Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Tue, 29 Nov 2011 15:19:10 +0800
Subject: [PATCH 1504/1594] i2c-eg20t: correct the driver init order of
 pch_i2c_probe()

Before registering an adapter to i2c subsystem, we need make sure
driver is ready for incoming i2c xfer, becasue the i2c_add_adapter()
may trigger a i2c device driver's proble function which may start
some real i2c xfer. I met this issue when integrating a TSC2007 i2c
touch screen device with the i2c-eg20t driver.

This patch will call request_irq() and hw init before calling
i2c_add_adapter().

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 drivers/i2c/busses/i2c-eg20t.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 8cebef49aeac..18936ac9d51c 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -893,6 +893,13 @@ static int __devinit pch_i2c_probe(struct pci_dev *pdev,
 	/* Set the number of I2C channel instance */
 	adap_info->ch_num = id->driver_data;
 
+	ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED,
+		  KBUILD_MODNAME, adap_info);
+	if (ret) {
+		pch_pci_err(pdev, "request_irq FAILED\n");
+		goto err_request_irq;
+	}
+
 	for (i = 0; i < adap_info->ch_num; i++) {
 		pch_adap = &adap_info->pch_data[i].pch_adapter;
 		adap_info->pch_i2c_suspended = false;
@@ -910,28 +917,23 @@ static int __devinit pch_i2c_probe(struct pci_dev *pdev,
 
 		pch_adap->dev.parent = &pdev->dev;
 
+		pch_i2c_init(&adap_info->pch_data[i]);
 		ret = i2c_add_adapter(pch_adap);
 		if (ret) {
 			pch_pci_err(pdev, "i2c_add_adapter[ch:%d] FAILED\n", i);
-			goto err_i2c_add_adapter;
+			goto err_add_adapter;
 		}
-
-		pch_i2c_init(&adap_info->pch_data[i]);
-	}
-	ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED,
-		  KBUILD_MODNAME, adap_info);
-	if (ret) {
-		pch_pci_err(pdev, "request_irq FAILED\n");
-		goto err_i2c_add_adapter;
 	}
 
 	pci_set_drvdata(pdev, adap_info);
 	pch_pci_dbg(pdev, "returns %d.\n", ret);
 	return 0;
 
-err_i2c_add_adapter:
+err_add_adapter:
 	for (j = 0; j < i; j++)
 		i2c_del_adapter(&adap_info->pch_data[j].pch_adapter);
+	free_irq(pdev->irq, adap_info);
+err_request_irq:
 	pci_iounmap(pdev, base_addr);
 err_pci_iomap:
 	pci_release_regions(pdev);
-- 
GitLab


From fa0ad6575f6d459e215dded90b10cc455a889145 Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Sat, 5 Nov 2011 12:21:30 +0100
Subject: [PATCH 1505/1594] kconfig: adapt update-po-config to new UML layout

Commit 5c48b108 ("um: take arch/um/sys-x86 to arch/x86/um") broke the
make target update-po-config, as its symlink trick (again) fails.
(Previous breakage was fixed with commit bdc69ca4 ("kconfig: change
update-po-config to reflect new layout of arch/um").)

The new UML layout allows to drop the symlick trick entirely. And if,
one day, another architecture supports UML too, that should now work
without again breaking this make target.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michal Marek <mmarek@suse.cz>
---
 scripts/kconfig/Makefile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index ba573fe7c74d..914833d99b06 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -60,8 +60,8 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
 	    --directory=$(srctree) --directory=$(objtree)           \
 	    --output $(obj)/config.pot
 	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
-	$(Q)ln -fs Kconfig.x86 arch/um/Kconfig
-	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig`;    \
+	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
+	    $(srctree)/arch/*/um/Kconfig`;               \
 	    do                                           \
 		echo "  GEN $$i";                        \
 		$(obj)/kxgettext $$i                     \
@@ -69,7 +69,6 @@ update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
 	    done )
 	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
 	    --output $(obj)/linux.pot
-	$(Q)rm -f $(srctree)/arch/um/Kconfig
 	$(Q)rm -f $(obj)/config.pot
 
 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
-- 
GitLab


From 497f16f21a04060098c0da6ed522fbcafb90c0db Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai@kernel.org>
Date: Sat, 17 Dec 2011 18:33:37 -0800
Subject: [PATCH 1506/1594] pci: Fix hotplug of Express Module with pci bridges

I noticed that hotplug of one setup does not work with recent change in
pci tree.

After checking the bridge conf setup, I noticed that the bridges get
assigned but do not get enabled.

The reason is the following commit, while simply ignores bridge
resources when enabling a pci device:

| commit bbef98ab0f019f1b0c25c1acdf1683c68933d41b
| Author: Ram Pai <linuxram@us.ibm.com>
| Date:   Sun Nov 6 10:33:10 2011 +0800
|
|    PCI: defer enablement of SRIOV BARS
|...
|    NOTE: Note, there is subtle change in the pci_enable_device() API.  Any
|    driver that depends on SRIOV BARS to be enabled in pci_enable_device()
|    can fail.

Put back bridge resource and ROM resource checking to fix the problem.

That should fix regression like BIOS does not assign correct resource to
bridge.

Discussion can be found at:
	http://www.spinics.net/lists/linux-pci/msg12874.html

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/pci/pci.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index faccb8937706..6d4a5319148d 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1129,7 +1129,11 @@ static int __pci_enable_device_flags(struct pci_dev *dev,
 	if (atomic_add_return(1, &dev->enable_cnt) > 1)
 		return 0;		/* already enabled */
 
-	for (i = 0; i < PCI_ROM_RESOURCE; i++)
+	/* only skip sriov related */
+	for (i = 0; i <= PCI_ROM_RESOURCE; i++)
+		if (dev->resource[i].flags & flags)
+			bars |= (1 << i);
+	for (i = PCI_BRIDGE_RESOURCES; i < DEVICE_COUNT_RESOURCE; i++)
 		if (dev->resource[i].flags & flags)
 			bars |= (1 << i);
 
-- 
GitLab


From 36e999a83a4a4badd389901eb6d23a30e199b8db Mon Sep 17 00:00:00 2001
From: Mat Martineau <mathewm@codeaurora.org>
Date: Thu, 8 Dec 2011 17:23:21 -0800
Subject: [PATCH 1507/1594] Bluetooth: Prevent uninitialized data access in
 L2CAP configuration

When configuring an ERTM or streaming mode connection, remote devices
are expected to send an RFC option in a successful config response.  A
misbehaving remote device might not send an RFC option, and the L2CAP
code should not access uninitialized data in this case.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/l2cap_core.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 5ea94a1eecf2..17b5b1cd9657 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2152,7 +2152,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
 	void *ptr = req->data;
 	int type, olen;
 	unsigned long val;
-	struct l2cap_conf_rfc rfc;
+	struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
 
 	BT_DBG("chan %p, rsp %p, len %d, req %p", chan, rsp, len, data);
 
@@ -2271,6 +2271,16 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
 		}
 	}
 
+	/* Use sane default values in case a misbehaving remote device
+	 * did not send an RFC option.
+	 */
+	rfc.mode = chan->mode;
+	rfc.retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+	rfc.monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
+	rfc.max_pdu_size = cpu_to_le16(chan->imtu);
+
+	BT_ERR("Expected RFC option was not found, using defaults");
+
 done:
 	switch (rfc.mode) {
 	case L2CAP_MODE_ERTM:
-- 
GitLab


From 79e654787c67f6b05f73366ff8ccac72ba7249e6 Mon Sep 17 00:00:00 2001
From: Mat Martineau <mathewm@codeaurora.org>
Date: Tue, 6 Dec 2011 16:23:26 -0800
Subject: [PATCH 1508/1594] Bluetooth: Clear RFCOMM session timer when
 disconnecting last channel

When the last RFCOMM data channel is closed, a timer is normally set
up to disconnect the control channel at a later time.  If the control
channel disconnect command is sent with the timer pending, the timer
needs to be cancelled.

If the timer is not cancelled in this situation, the reference
counting logic for the RFCOMM session does not work correctly when the
remote device closes the L2CAP connection.  The session is freed at
the wrong time, leading to a kernel panic.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/rfcomm/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 4e32e18211f9..2d28dfe98389 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1146,6 +1146,7 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
 			if (list_empty(&s->dlcs)) {
 				s->state = BT_DISCONN;
 				rfcomm_send_disc(s, 0);
+				rfcomm_session_clear_timer(s);
 			}
 
 			break;
-- 
GitLab


From d7660918fce210f421cc58c060ca3de71e4ffd37 Mon Sep 17 00:00:00 2001
From: "Gustavo F. Padovan" <padovan@profusion.mobi>
Date: Sun, 18 Dec 2011 22:33:30 -0200
Subject: [PATCH 1509/1594] Revert "Bluetooth: Revert: Fix L2CAP connection
 establishment"

This reverts commit 4dff523a913197e3314c7b0d08734ab037709093.

It was reported that this patch cause issues when trying to connect to
legacy devices so reverting it.

Reported-by: David Fries <david@fries.net>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/hci_conn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index e0af7237cd92..c1c597e3e198 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -673,7 +673,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		goto encrypt;
 
 auth:
-	if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
 		return 0;
 
 	if (!hci_conn_auth(conn, sec_level, auth_type))
-- 
GitLab


From 8015e3defe491d305b20c2e64b154b999e6da065 Mon Sep 17 00:00:00 2001
From: Bo Shen <voice.shen@atmel.com>
Date: Mon, 19 Dec 2011 17:57:52 +0800
Subject: [PATCH 1510/1594] ALSA: atmel/ac97c: using software reset instead
 hardware reset if not available

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/atmel/ac97c.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 6e5addeb236b..73516f69ac7c 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -899,6 +899,10 @@ static void atmel_ac97c_reset(struct atmel_ac97c *chip)
 		/* AC97 v2.2 specifications says minimum 1 us. */
 		udelay(2);
 		gpio_set_value(chip->reset_pin, 1);
+	} else {
+		ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
+		udelay(2);
+		ac97c_writel(chip, MR, AC97C_MR_ENA);
 	}
 }
 
-- 
GitLab


From b1b73d095084e754562961c443aa8f6587a55f8e Mon Sep 17 00:00:00 2001
From: Kusanagi Kouichi <slash@ac.auone-net.jp>
Date: Mon, 19 Dec 2011 18:13:19 +0900
Subject: [PATCH 1511/1594] time/clocksource: Fix kernel-doc warnings

Fix various KernelDoc build warnings.

Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>
Cc: John Stultz <johnstul@us.ibm.com>
Link: http://lkml.kernel.org/r/20111219091320.0D5AF6FC03D@msa105.auone-net.jp
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/clocksource.h | 11 ++++++++---
 kernel/time/clocksource.c   | 12 +++++++++---
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index c86c940d1de3..081147da0564 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -71,7 +71,7 @@ struct timecounter {
 
 /**
  * cyclecounter_cyc2ns - converts cycle counter cycles to nanoseconds
- * @tc:		Pointer to cycle counter.
+ * @cc:		Pointer to cycle counter.
  * @cycles:	Cycles
  *
  * XXX - This could use some mult_lxl_ll() asm optimization. Same code
@@ -114,7 +114,7 @@ extern u64 timecounter_read(struct timecounter *tc);
  *                        time base as values returned by
  *                        timecounter_read()
  * @tc:		Pointer to time counter.
- * @cycle:	a value returned by tc->cc->read()
+ * @cycle_tstamp:	a value returned by tc->cc->read()
  *
  * Cycle counts that are converted correctly as long as they
  * fall into the interval [-1/2 max cycle count, +1/2 max cycle count],
@@ -156,11 +156,12 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
  * @mult:		cycle to nanosecond multiplier
  * @shift:		cycle to nanosecond divisor (power of two)
  * @max_idle_ns:	max idle time permitted by the clocksource (nsecs)
- * @maxadj		maximum adjustment value to mult (~11%)
+ * @maxadj:		maximum adjustment value to mult (~11%)
  * @flags:		flags describing special properties
  * @archdata:		arch-specific data
  * @suspend:		suspend function for the clocksource, if necessary
  * @resume:		resume function for the clocksource, if necessary
+ * @cycle_last:		most recent cycle counter value seen by ::read()
  */
 struct clocksource {
 	/*
@@ -187,6 +188,7 @@ struct clocksource {
 	void (*suspend)(struct clocksource *cs);
 	void (*resume)(struct clocksource *cs);
 
+	/* private: */
 #ifdef CONFIG_CLOCKSOURCE_WATCHDOG
 	/* Watchdog related data, used by the framework */
 	struct list_head wd_list;
@@ -261,6 +263,9 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
 
 /**
  * clocksource_cyc2ns - converts clocksource cycles to nanoseconds
+ * @cycles:	cycles
+ * @mult:	cycle to nanosecond multiplier
+ * @shift:	cycle to nanosecond divisor (power of two)
  *
  * Converts cycles to nanoseconds, using the given mult and shift.
  *
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index da2f760e780c..d3ad022136e5 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -647,7 +647,7 @@ static void clocksource_enqueue(struct clocksource *cs)
 
 /**
  * __clocksource_updatefreq_scale - Used update clocksource with new freq
- * @t:		clocksource to be registered
+ * @cs:		clocksource to be registered
  * @scale:	Scale factor multiplied against freq to get clocksource hz
  * @freq:	clocksource frequency (cycles per second) divided by scale
  *
@@ -699,7 +699,7 @@ EXPORT_SYMBOL_GPL(__clocksource_updatefreq_scale);
 
 /**
  * __clocksource_register_scale - Used to install new clocksources
- * @t:		clocksource to be registered
+ * @cs:		clocksource to be registered
  * @scale:	Scale factor multiplied against freq to get clocksource hz
  * @freq:	clocksource frequency (cycles per second) divided by scale
  *
@@ -727,7 +727,7 @@ EXPORT_SYMBOL_GPL(__clocksource_register_scale);
 
 /**
  * clocksource_register - Used to install new clocksources
- * @t:		clocksource to be registered
+ * @cs:		clocksource to be registered
  *
  * Returns -EBUSY if registration fails, zero otherwise.
  */
@@ -761,6 +761,8 @@ static void __clocksource_change_rating(struct clocksource *cs, int rating)
 
 /**
  * clocksource_change_rating - Change the rating of a registered clocksource
+ * @cs:		clocksource to be changed
+ * @rating:	new rating
  */
 void clocksource_change_rating(struct clocksource *cs, int rating)
 {
@@ -772,6 +774,7 @@ EXPORT_SYMBOL(clocksource_change_rating);
 
 /**
  * clocksource_unregister - remove a registered clocksource
+ * @cs:	clocksource to be unregistered
  */
 void clocksource_unregister(struct clocksource *cs)
 {
@@ -787,6 +790,7 @@ EXPORT_SYMBOL(clocksource_unregister);
 /**
  * sysfs_show_current_clocksources - sysfs interface for current clocksource
  * @dev:	unused
+ * @attr:	unused
  * @buf:	char buffer to be filled with clocksource list
  *
  * Provides sysfs interface for listing current clocksource.
@@ -807,6 +811,7 @@ sysfs_show_current_clocksources(struct sys_device *dev,
 /**
  * sysfs_override_clocksource - interface for manually overriding clocksource
  * @dev:	unused
+ * @attr:	unused
  * @buf:	name of override clocksource
  * @count:	length of buffer
  *
@@ -842,6 +847,7 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
 /**
  * sysfs_show_available_clocksources - sysfs interface for listing clocksource
  * @dev:	unused
+ * @attr:	unused
  * @buf:	char buffer to be filled with clocksource list
  *
  * Provides sysfs interface for listing registered clocksources
-- 
GitLab


From c32987918efaa6949c5b2f3e43b654a742b18f7d Mon Sep 17 00:00:00 2001
From: Ilya Yanok <yanok@emcraft.com>
Date: Tue, 13 Dec 2011 00:37:56 +0100
Subject: [PATCH 1512/1594] mtd: plat_ram: call mtd_device_register only if
 partition data exists

mtd_device_parse_register() registers the device as a whole if no
partition data is passed so there is no reason to call
mtd_device_register() after that.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/plat-ram.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index 94f553489725..45876d0e5b8e 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -227,10 +227,14 @@ static int platram_probe(struct platform_device *pdev)
 	if (!err)
 		dev_info(&pdev->dev, "registered mtd device\n");
 
-	/* add the whole device. */
-	err = mtd_device_register(info->mtd, NULL, 0);
-	if (err)
-		dev_err(&pdev->dev, "failed to register the entire device\n");
+	if (pdata->nr_partitions) {
+		/* add the whole device. */
+		err = mtd_device_register(info->mtd, NULL, 0);
+		if (err) {
+			dev_err(&pdev->dev,
+				"failed to register the entire device\n");
+		}
+	}
 
 	return err;
 
-- 
GitLab


From 7422ba5343b8c1dbe1a517d0fcc15e7d671ca960 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Mon, 19 Dec 2011 13:45:01 +0200
Subject: [PATCH 1513/1594] usb: gadget: epautoconf: do not change number of
 streams

We should not change gadget driver's descriptors just
because we think it's right to do so.

There are several of reasons which would support this
statement but it suffices to say that this was probably
never tested because it updates bmAttributes without
asking the driver if it's ok to do so.

This means that e.g. on UASP gadget it would enable
stream support even for the command endpoint which must
not have stream support enabled.

In fact, this change is fixing the bug introduced by
commit a59d6b9 (usb: gadget: add streams support to
the gadget framework) which was caught when testing
UASP gadget with dwc3 driver.

Cc: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/gadget/epautoconf.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 596a0b464e61..4dff83d2f265 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -130,9 +130,6 @@ ep_matches (
 			num_req_streams = ep_comp->bmAttributes & 0x1f;
 			if (num_req_streams > ep->max_streams)
 				return 0;
-			/* Update the ep_comp descriptor if needed */
-			if (num_req_streams != ep->max_streams)
-				ep_comp->bmAttributes = ep->max_streams;
 		}
 
 	}
-- 
GitLab


From ebd4c6f6261c96d1cf9f004965384d57c4202fd6 Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Mon, 28 Nov 2011 13:19:08 +0100
Subject: [PATCH 1514/1594] vmwgfx: Use the revised fifo hw version register
 when present

The driver implements the needed resource management required
to use that register.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c  |  8 +++++++-
 drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 10 ++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index 03bbc2a6f9a7..a0c2f12b1e1b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -33,6 +33,7 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
 {
 	__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
 	uint32_t fifo_min, hwversion;
+	const struct vmw_fifo_state *fifo = &dev_priv->fifo;
 
 	if (!(dev_priv->capabilities & SVGA_CAP_EXTENDED_FIFO))
 		return false;
@@ -41,7 +42,12 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
 	if (fifo_min <= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int))
 		return false;
 
-	hwversion = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+	hwversion = ioread32(fifo_mem +
+			     ((fifo->capabilities &
+			       SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
+			      SVGA_FIFO_3D_HWVERSION_REVISED :
+			      SVGA_FIFO_3D_HWVERSION));
+
 	if (hwversion == 0)
 		return false;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 5ff561d4e0b4..1edb63ec3f34 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -58,8 +58,14 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 	case DRM_VMW_PARAM_FIFO_HW_VERSION:
 	{
 		__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
-
-		param->value = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+		const struct vmw_fifo_state *fifo = &dev_priv->fifo;
+
+		param->value =
+			ioread32(fifo_mem +
+				 ((fifo->capabilities &
+				   SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
+				  SVGA_FIFO_3D_HWVERSION_REVISED :
+				  SVGA_FIFO_3D_HWVERSION));
 		break;
 	}
 	default:
-- 
GitLab


From ef5ab24bd3373941bd27e371512c0009eb11581c Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Mon, 28 Nov 2011 13:19:09 +0100
Subject: [PATCH 1515/1594] vmwgfx: Remove dmabuf check in present ioctl

Doesn't protect any error code and only gets in the way of debugging.

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 1edb63ec3f34..66917c6c3813 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -172,13 +172,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
 		ret = -EINVAL;
 		goto out_no_fb;
 	}
-
 	vfb = vmw_framebuffer_to_vfb(obj_to_fb(obj));
-	if (!vfb->dmabuf) {
-		DRM_ERROR("Framebuffer not dmabuf backed.\n");
-		ret = -EINVAL;
-		goto out_no_fb;
-	}
 
 	ret = ttm_read_lock(&vmaster->lock, true);
 	if (unlikely(ret != 0))
-- 
GitLab


From 6a91d97e02d7efde955c25a5b0fbf950cd2a6efa Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Mon, 28 Nov 2011 13:19:10 +0100
Subject: [PATCH 1516/1594] vmwgfx: Refactor cursor update

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 66 +++++++++++++++++------------
 1 file changed, 39 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 37d40545ed77..bee671624a98 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -82,6 +82,43 @@ int vmw_cursor_update_image(struct vmw_private *dev_priv,
 	return 0;
 }
 
+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+			     struct vmw_dma_buffer *dmabuf,
+			     u32 width, u32 height,
+			     u32 hotspotX, u32 hotspotY)
+{
+	struct ttm_bo_kmap_obj map;
+	unsigned long kmap_offset;
+	unsigned long kmap_num;
+	void *virtual;
+	bool dummy;
+	int ret;
+
+	kmap_offset = 0;
+	kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
+
+	ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
+	if (unlikely(ret != 0)) {
+		DRM_ERROR("reserve failed\n");
+		return -EINVAL;
+	}
+
+	ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
+	if (unlikely(ret != 0))
+		goto err_unreserve;
+
+	virtual = ttm_kmap_obj_virtual(&map, &dummy);
+	ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
+				      hotspotX, hotspotY);
+
+	ttm_bo_kunmap(&map);
+err_unreserve:
+	ttm_bo_unreserve(&dmabuf->base);
+
+	return ret;
+}
+
+
 void vmw_cursor_update_position(struct vmw_private *dev_priv,
 				bool show, int x, int y)
 {
@@ -146,36 +183,11 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 		vmw_cursor_update_image(dev_priv, surface->snooper.image,
 					64, 64, du->hotspot_x, du->hotspot_y);
 	} else if (dmabuf) {
-		struct ttm_bo_kmap_obj map;
-		unsigned long kmap_offset;
-		unsigned long kmap_num;
-		void *virtual;
-		bool dummy;
-
 		/* vmw_user_surface_lookup takes one reference */
 		du->cursor_dmabuf = dmabuf;
 
-		kmap_offset = 0;
-		kmap_num = (64*64*4) >> PAGE_SHIFT;
-
-		ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
-		if (unlikely(ret != 0)) {
-			DRM_ERROR("reserve failed\n");
-			return -EINVAL;
-		}
-
-		ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
-		if (unlikely(ret != 0))
-			goto err_unreserve;
-
-		virtual = ttm_kmap_obj_virtual(&map, &dummy);
-		vmw_cursor_update_image(dev_priv, virtual, 64, 64,
-					du->hotspot_x, du->hotspot_y);
-
-		ttm_bo_kunmap(&map);
-err_unreserve:
-		ttm_bo_unreserve(&dmabuf->base);
-
+		ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
+					       du->hotspot_x, du->hotspot_y);
 	} else {
 		vmw_cursor_update_position(dev_priv, false, 0, 0);
 		return 0;
-- 
GitLab


From 551a6697d08f92a311d6adbf8d03af2bc7f9e2ee Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Mon, 28 Nov 2011 13:19:11 +0100
Subject: [PATCH 1517/1594] vmwgfx: Add helper function to get surface or
 dmabuf

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h      |  5 +++++
 drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 23 +++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 8cca91a93bde..dc279706ca70 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -390,6 +390,11 @@ extern int vmw_context_check(struct vmw_private *dev_priv,
 			     struct ttm_object_file *tfile,
 			     int id,
 			     struct vmw_resource **p_res);
+extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+				  struct ttm_object_file *tfile,
+				  uint32_t handle,
+				  struct vmw_surface **out_surf,
+				  struct vmw_dma_buffer **out_buf);
 extern void vmw_surface_res_free(struct vmw_resource *res);
 extern int vmw_surface_init(struct vmw_private *dev_priv,
 			    struct vmw_surface *srf,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 86c5e4cceb31..1c7f09e26819 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -1190,6 +1190,29 @@ void vmw_resource_unreserve(struct list_head *list)
 		write_unlock(lock);
 }
 
+/**
+ * Helper function that looks either a surface or dmabuf.
+ *
+ * The pointer this pointed at by out_surf and out_buf needs to be null.
+ */
+int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+			   struct ttm_object_file *tfile,
+			   uint32_t handle,
+			   struct vmw_surface **out_surf,
+			   struct vmw_dma_buffer **out_buf)
+{
+	int ret;
+
+	BUG_ON(*out_surf || *out_buf);
+
+	ret = vmw_user_surface_lookup_handle(dev_priv, tfile, handle, out_surf);
+	if (!ret)
+		return 0;
+
+	ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
+	return ret;
+}
+
 
 int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
 				   struct ttm_object_file *tfile,
-- 
GitLab


From e7ac9211f29f2fc2e7d11586a33267d2a26d3f2f Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Mon, 28 Nov 2011 13:19:12 +0100
Subject: [PATCH 1518/1594] vmwgfx: Refactor kms code to use
 vmw_user_lookup_handle helper

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 98 +++++++++++------------------
 1 file changed, 37 insertions(+), 61 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index bee671624a98..ac24cfd431b5 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -147,24 +147,21 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 		return -EINVAL;
 
 	if (handle) {
-		ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
-						     handle, &surface);
-		if (!ret) {
-			if (!surface->snooper.image) {
-				DRM_ERROR("surface not suitable for cursor\n");
-				vmw_surface_unreference(&surface);
-				return -EINVAL;
-			}
-		} else {
-			ret = vmw_user_dmabuf_lookup(tfile,
-						     handle, &dmabuf);
-			if (ret) {
-				DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
-				return -EINVAL;
-			}
+		ret = vmw_user_lookup_handle(dev_priv, tfile,
+					     handle, &surface, &dmabuf);
+		if (ret) {
+			DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
+			return -EINVAL;
 		}
 	}
 
+	/* need to do this before taking down old image */
+	if (surface && !surface->snooper.image) {
+		DRM_ERROR("surface not suitable for cursor\n");
+		vmw_surface_unreference(&surface);
+		return -EINVAL;
+	}
+
 	/* takedown old cursor */
 	if (du->cursor_surface) {
 		du->cursor_surface->snooper.crtc = NULL;
@@ -568,6 +565,10 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
 	 * Sanity checks.
 	 */
 
+	/* Surface must be marked as a scanout. */
+	if (unlikely(!surface->scanout))
+		return -EINVAL;
+
 	if (unlikely(surface->mip_levels[0] != 1 ||
 		     surface->num_sizes != 1 ||
 		     surface->sizes[0].width < mode_cmd->width ||
@@ -1045,46 +1046,29 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
 		return ERR_PTR(-ENOENT);
 	}
 
-	/**
-	 * End conditioned code.
-	 */
-
-	ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
-					     mode_cmd->handle, &surface);
+	/* returns either a dmabuf or surface */
+	ret = vmw_user_lookup_handle(dev_priv, tfile,
+				     mode_cmd->handle,
+				     &surface, &bo);
 	if (ret)
-		goto try_dmabuf;
-
-	if (!surface->scanout)
-		goto err_not_scanout;
-
-	ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, surface,
-					      &vfb, mode_cmd);
-
-	/* vmw_user_surface_lookup takes one ref so does new_fb */
-	vmw_surface_unreference(&surface);
-
-	if (ret) {
-		DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
-		ttm_base_object_unref(&user_obj);
-		return ERR_PTR(ret);
-	} else
-		vfb->user_obj = user_obj;
-	return &vfb->base;
-
-try_dmabuf:
-	DRM_INFO("%s: trying buffer\n", __func__);
-
-	ret = vmw_user_dmabuf_lookup(tfile, mode_cmd->handle, &bo);
-	if (ret) {
-		DRM_ERROR("failed to find buffer: %i\n", ret);
-		return ERR_PTR(-ENOENT);
-	}
-
-	ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
-					     mode_cmd);
+		goto err_out;
+
+	/* Create the new framebuffer depending one what we got back */
+	if (bo)
+		ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
+						     mode_cmd);
+	else if (surface)
+		ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
+						      surface, &vfb, mode_cmd);
+	else
+		BUG();
 
-	/* vmw_user_dmabuf_lookup takes one ref so does new_fb */
-	vmw_dmabuf_unreference(&bo);
+err_out:
+	/* vmw_user_lookup_handle takes one ref so does new_fb */
+	if (bo)
+		vmw_dmabuf_unreference(&bo);
+	if (surface)
+		vmw_surface_unreference(&surface);
 
 	if (ret) {
 		DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
@@ -1094,14 +1078,6 @@ try_dmabuf:
 		vfb->user_obj = user_obj;
 
 	return &vfb->base;
-
-err_not_scanout:
-	DRM_ERROR("surface not marked as scanout\n");
-	/* vmw_user_surface_lookup takes one ref */
-	vmw_surface_unreference(&surface);
-	ttm_base_object_unref(&user_obj);
-
-	return ERR_PTR(-EINVAL);
 }
 
 static struct drm_mode_config_funcs vmw_kms_funcs = {
-- 
GitLab


From 203dc2201326fa64411158c84ab0745546300310 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Mon, 28 Nov 2011 13:19:13 +0100
Subject: [PATCH 1519/1594] vmwgfx: Do better culling of presents

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 37 +++++++++++++++++++----------
 1 file changed, 25 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index ac24cfd431b5..d31ae338cfc1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1098,6 +1098,7 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 	size_t fifo_size;
 	int i, k, num_units;
 	int ret = 0; /* silence warning */
+	int left, right, top, bottom;
 
 	struct {
 		SVGA3dCmdHeader header;
@@ -1122,30 +1123,42 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 		return -ENOMEM;
 	}
 
+	left = clips->x;
+	right = clips->x + clips->w;
+	top = clips->y;
+	bottom = clips->y + clips->h;
+
+	for (i = 1; i < num_clips; i++) {
+		left = min_t(int, left, (int)clips[i].x);
+		right = max_t(int, right, (int)clips[i].x + clips[i].w);
+		top = min_t(int, top, (int)clips[i].y);
+		bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
+	}
+
 	/* only need to do this once */
 	memset(cmd, 0, fifo_size);
 	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
 	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
 
-	cmd->body.srcRect.left = 0;
-	cmd->body.srcRect.right = surface->sizes[0].width;
-	cmd->body.srcRect.top = 0;
-	cmd->body.srcRect.bottom = surface->sizes[0].height;
+	cmd->body.srcRect.left = left;
+	cmd->body.srcRect.right = right;
+	cmd->body.srcRect.top = top;
+	cmd->body.srcRect.bottom = bottom;
 
 	blits = (SVGASignedRect *)&cmd[1];
 	for (i = 0; i < num_clips; i++) {
-		blits[i].left   = clips[i].x;
-		blits[i].right  = clips[i].x + clips[i].w;
-		blits[i].top    = clips[i].y;
-		blits[i].bottom = clips[i].y + clips[i].h;
+		blits[i].left   = clips[i].x - left;
+		blits[i].right  = clips[i].x + clips[i].w - left;
+		blits[i].top    = clips[i].y - top;
+		blits[i].bottom = clips[i].y + clips[i].h - top;
 	}
 
 	for (k = 0; k < num_units; k++) {
 		struct vmw_display_unit *unit = units[k];
-		int clip_x1 = destX - unit->crtc.x;
-		int clip_y1 = destY - unit->crtc.y;
-		int clip_x2 = clip_x1 + surface->sizes[0].width;
-		int clip_y2 = clip_y1 + surface->sizes[0].height;
+		int clip_x1 = left + destX - unit->crtc.x;
+		int clip_y1 = top + destY - unit->crtc.y;
+		int clip_x2 = right + destX - unit->crtc.x;
+		int clip_y2 = bottom + destY - unit->crtc.y;
 
 		/* skip any crtcs that misses the clip region */
 		if (clip_x1 >= unit->crtc.mode.hdisplay ||
-- 
GitLab


From bfc2638dc05f2b27538e40821fdbc8399730b1ea Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Mon, 28 Nov 2011 13:19:14 +0100
Subject: [PATCH 1520/1594] vmwgfx: Resend the cursor after legacy modeset

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.h |  5 +++++
 drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 22 +++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index af8e6e5bd964..e1cb8556355f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -62,9 +62,14 @@ struct vmw_framebuffer {
 int vmw_cursor_update_image(struct vmw_private *dev_priv,
 			    u32 *image, u32 width, u32 height,
 			    u32 hotspotX, u32 hotspotY);
+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+			     struct vmw_dma_buffer *dmabuf,
+			     u32 width, u32 height,
+			     u32 hotspotX, u32 hotspotY);
 void vmw_cursor_update_position(struct vmw_private *dev_priv,
 				bool show, int x, int y);
 
+
 /**
  * Base class display unit.
  *
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 90c5e3928491..8f8dbd43c33d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -74,9 +74,10 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
 {
 	struct vmw_legacy_display *lds = dev_priv->ldu_priv;
 	struct vmw_legacy_display_unit *entry;
+	struct vmw_display_unit *du = NULL;
 	struct drm_framebuffer *fb = NULL;
 	struct drm_crtc *crtc = NULL;
-	int i = 0;
+	int i = 0, ret;
 
 	/* If there is no display topology the host just assumes
 	 * that the guest will set the same layout as the host.
@@ -129,6 +130,25 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
 
 	lds->last_num_active = lds->num_active;
 
+
+	/* Find the first du with a cursor. */
+	list_for_each_entry(entry, &lds->active, active) {
+		du = &entry->base;
+
+		if (!du->cursor_dmabuf)
+			continue;
+
+		ret = vmw_cursor_update_dmabuf(dev_priv,
+					       du->cursor_dmabuf,
+					       64, 64,
+					       du->hotspot_x,
+					       du->hotspot_y);
+		if (ret == 0)
+			break;
+
+		DRM_ERROR("Could not update cursor image\n");
+	}
+
 	return 0;
 }
 
-- 
GitLab


From 6abff3c78051e40130a1c653f874fb12b9d40254 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Mon, 28 Nov 2011 13:19:15 +0100
Subject: [PATCH 1521/1594] vmwgfx: Clip cliprects against screen boundaries in
 present and dirty

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 209 +++++++++++++++++++++-------
 1 file changed, 156 insertions(+), 53 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index d31ae338cfc1..8aa1dbb45c67 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -31,6 +31,44 @@
 /* Might need a hrtimer here? */
 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
 
+
+struct vmw_clip_rect {
+	int x1, x2, y1, y2;
+};
+
+/**
+ * Clip @num_rects number of @rects against @clip storing the
+ * results in @out_rects and the number of passed rects in @out_num.
+ */
+void vmw_clip_cliprects(struct drm_clip_rect *rects,
+			int num_rects,
+			struct vmw_clip_rect clip,
+			SVGASignedRect *out_rects,
+			int *out_num)
+{
+	int i, k;
+
+	for (i = 0, k = 0; i < num_rects; i++) {
+		int x1 = max_t(int, clip.x1, rects[i].x1);
+		int y1 = max_t(int, clip.y1, rects[i].y1);
+		int x2 = min_t(int, clip.x2, rects[i].x2);
+		int y2 = min_t(int, clip.y2, rects[i].y2);
+
+		if (x1 >= x2)
+			continue;
+		if (y1 >= y2)
+			continue;
+
+		out_rects[k].left   = x1;
+		out_rects[k].top    = y1;
+		out_rects[k].right  = x2;
+		out_rects[k].bottom = y2;
+		k++;
+	}
+
+	*out_num = k;
+}
+
 void vmw_display_unit_cleanup(struct vmw_display_unit *du)
 {
 	if (du->cursor_surface)
@@ -386,8 +424,9 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 				struct drm_clip_rect *clips,
 				unsigned num_clips, int inc)
 {
-	struct drm_clip_rect *clips_ptr;
 	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+	struct drm_clip_rect *clips_ptr;
+	struct drm_clip_rect *tmp;
 	struct drm_crtc *crtc;
 	size_t fifo_size;
 	int i, num_units;
@@ -400,7 +439,6 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 	} *cmd;
 	SVGASignedRect *blits;
 
-
 	num_units = 0;
 	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
 			    head) {
@@ -411,13 +449,24 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 
 	BUG_ON(!clips || !num_clips);
 
+	tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
+	if (unlikely(tmp == NULL)) {
+		DRM_ERROR("Temporary cliprect memory alloc failed.\n");
+		return -ENOMEM;
+	}
+
 	fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
 	cmd = kzalloc(fifo_size, GFP_KERNEL);
 	if (unlikely(cmd == NULL)) {
 		DRM_ERROR("Temporary fifo memory alloc failed.\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_free_tmp;
 	}
 
+	/* setup blits pointer */
+	blits = (SVGASignedRect *)&cmd[1];
+
+	/* initial clip region */
 	left = clips->x1;
 	right = clips->x2;
 	top = clips->y1;
@@ -443,45 +492,60 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 	cmd->body.srcRect.bottom = bottom;
 
 	clips_ptr = clips;
-	blits = (SVGASignedRect *)&cmd[1];
 	for (i = 0; i < num_clips; i++, clips_ptr += inc) {
-		blits[i].left   = clips_ptr->x1 - left;
-		blits[i].right  = clips_ptr->x2 - left;
-		blits[i].top    = clips_ptr->y1 - top;
-		blits[i].bottom = clips_ptr->y2 - top;
+		tmp[i].x1 = clips_ptr->x1 - left;
+		tmp[i].x2 = clips_ptr->x2 - left;
+		tmp[i].y1 = clips_ptr->y1 - top;
+		tmp[i].y2 = clips_ptr->y2 - top;
 	}
 
 	/* do per unit writing, reuse fifo for each */
 	for (i = 0; i < num_units; i++) {
 		struct vmw_display_unit *unit = units[i];
-		int clip_x1 = left - unit->crtc.x;
-		int clip_y1 = top - unit->crtc.y;
-		int clip_x2 = right - unit->crtc.x;
-		int clip_y2 = bottom - unit->crtc.y;
+		struct vmw_clip_rect clip;
+		int num;
+
+		clip.x1 = left - unit->crtc.x;
+		clip.y1 = top - unit->crtc.y;
+		clip.x2 = right - unit->crtc.x;
+		clip.y2 = bottom - unit->crtc.y;
 
 		/* skip any crtcs that misses the clip region */
-		if (clip_x1 >= unit->crtc.mode.hdisplay ||
-		    clip_y1 >= unit->crtc.mode.vdisplay ||
-		    clip_x2 <= 0 || clip_y2 <= 0)
+		if (clip.x1 >= unit->crtc.mode.hdisplay ||
+		    clip.y1 >= unit->crtc.mode.vdisplay ||
+		    clip.x2 <= 0 || clip.y2 <= 0)
 			continue;
 
+		/*
+		 * In order for the clip rects to be correctly scaled
+		 * the src and dest rects needs to be the same size.
+		 */
+		cmd->body.destRect.left = clip.x1;
+		cmd->body.destRect.right = clip.x2;
+		cmd->body.destRect.top = clip.y1;
+		cmd->body.destRect.bottom = clip.y2;
+
+		/* create a clip rect of the crtc in dest coords */
+		clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
+		clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
+		clip.x1 = 0 - clip.x1;
+		clip.y1 = 0 - clip.y1;
+
 		/* need to reset sid as it is changed by execbuf */
 		cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
-
 		cmd->body.destScreenId = unit->unit;
 
-		/*
-		 * The blit command is a lot more resilient then the
-		 * readback command when it comes to clip rects. So its
-		 * okay to go out of bounds.
-		 */
+		/* clip and write blits to cmd stream */
+		vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
 
-		cmd->body.destRect.left = clip_x1;
-		cmd->body.destRect.right = clip_x2;
-		cmd->body.destRect.top = clip_y1;
-		cmd->body.destRect.bottom = clip_y2;
+		/* if no cliprects hit skip this */
+		if (num == 0)
+			continue;
 
 
+		/* recalculate package length */
+		fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
+		cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
 		ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
 					  fifo_size, 0, NULL);
 
@@ -489,7 +553,10 @@ static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 			break;
 	}
 
+
 	kfree(cmd);
+out_free_tmp:
+	kfree(tmp);
 
 	return ret;
 }
@@ -795,6 +862,7 @@ static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
 			int clip_y1 = clips_ptr->y1 - unit->crtc.y;
 			int clip_x2 = clips_ptr->x2 - unit->crtc.x;
 			int clip_y2 = clips_ptr->y2 - unit->crtc.y;
+			int move_x, move_y;
 
 			/* skip any crtcs that misses the clip region */
 			if (clip_x1 >= unit->crtc.mode.hdisplay ||
@@ -802,12 +870,21 @@ static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
 			    clip_x2 <= 0 || clip_y2 <= 0)
 				continue;
 
+			/* clip size to crtc size */
+			clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
+			clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
+
+			/* translate both src and dest to bring clip into screen */
+			move_x = min_t(int, clip_x1, 0);
+			move_y = min_t(int, clip_y1, 0);
+
+			/* actual translate done here */
 			blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
 			blits[hit_num].body.destScreenId = unit->unit;
-			blits[hit_num].body.srcOrigin.x = clips_ptr->x1;
-			blits[hit_num].body.srcOrigin.y = clips_ptr->y1;
-			blits[hit_num].body.destRect.left = clip_x1;
-			blits[hit_num].body.destRect.top = clip_y1;
+			blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
+			blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
+			blits[hit_num].body.destRect.left = clip_x1 - move_x;
+			blits[hit_num].body.destRect.top = clip_y1 - move_y;
 			blits[hit_num].body.destRect.right = clip_x2;
 			blits[hit_num].body.destRect.bottom = clip_y2;
 			hit_num++;
@@ -1094,6 +1171,7 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 		    uint32_t num_clips)
 {
 	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+	struct drm_clip_rect *tmp;
 	struct drm_crtc *crtc;
 	size_t fifo_size;
 	int i, k, num_units;
@@ -1116,11 +1194,18 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 	BUG_ON(surface == NULL);
 	BUG_ON(!clips || !num_clips);
 
+	tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
+	if (unlikely(tmp == NULL)) {
+		DRM_ERROR("Temporary cliprect memory alloc failed.\n");
+		return -ENOMEM;
+	}
+
 	fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
 	cmd = kmalloc(fifo_size, GFP_KERNEL);
 	if (unlikely(cmd == NULL)) {
 		DRM_ERROR("Failed to allocate temporary fifo memory.\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_free_tmp;
 	}
 
 	left = clips->x;
@@ -1138,50 +1223,66 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 	/* only need to do this once */
 	memset(cmd, 0, fifo_size);
 	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
-	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
+
+	blits = (SVGASignedRect *)&cmd[1];
 
 	cmd->body.srcRect.left = left;
 	cmd->body.srcRect.right = right;
 	cmd->body.srcRect.top = top;
 	cmd->body.srcRect.bottom = bottom;
 
-	blits = (SVGASignedRect *)&cmd[1];
 	for (i = 0; i < num_clips; i++) {
-		blits[i].left   = clips[i].x - left;
-		blits[i].right  = clips[i].x + clips[i].w - left;
-		blits[i].top    = clips[i].y - top;
-		blits[i].bottom = clips[i].y + clips[i].h - top;
+		tmp[i].x1 = clips[i].x - left;
+		tmp[i].x2 = clips[i].x + clips[i].w - left;
+		tmp[i].y1 = clips[i].y - top;
+		tmp[i].y2 = clips[i].y + clips[i].h - top;
 	}
 
 	for (k = 0; k < num_units; k++) {
 		struct vmw_display_unit *unit = units[k];
-		int clip_x1 = left + destX - unit->crtc.x;
-		int clip_y1 = top + destY - unit->crtc.y;
-		int clip_x2 = right + destX - unit->crtc.x;
-		int clip_y2 = bottom + destY - unit->crtc.y;
+		struct vmw_clip_rect clip;
+		int num;
+
+		clip.x1 = left + destX - unit->crtc.x;
+		clip.y1 = top + destY - unit->crtc.y;
+		clip.x2 = right + destX - unit->crtc.x;
+		clip.y2 = bottom + destY - unit->crtc.y;
 
 		/* skip any crtcs that misses the clip region */
-		if (clip_x1 >= unit->crtc.mode.hdisplay ||
-		    clip_y1 >= unit->crtc.mode.vdisplay ||
-		    clip_x2 <= 0 || clip_y2 <= 0)
+		if (clip.x1 >= unit->crtc.mode.hdisplay ||
+		    clip.y1 >= unit->crtc.mode.vdisplay ||
+		    clip.x2 <= 0 || clip.y2 <= 0)
 			continue;
 
+		/*
+		 * In order for the clip rects to be correctly scaled
+		 * the src and dest rects needs to be the same size.
+		 */
+		cmd->body.destRect.left = clip.x1;
+		cmd->body.destRect.right = clip.x2;
+		cmd->body.destRect.top = clip.y1;
+		cmd->body.destRect.bottom = clip.y2;
+
+		/* create a clip rect of the crtc in dest coords */
+		clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
+		clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
+		clip.x1 = 0 - clip.x1;
+		clip.y1 = 0 - clip.y1;
+
 		/* need to reset sid as it is changed by execbuf */
 		cmd->body.srcImage.sid = sid;
-
 		cmd->body.destScreenId = unit->unit;
 
-		/*
-		 * The blit command is a lot more resilient then the
-		 * readback command when it comes to clip rects. So its
-		 * okay to go out of bounds.
-		 */
+		/* clip and write blits to cmd stream */
+		vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
 
-		cmd->body.destRect.left = clip_x1;
-		cmd->body.destRect.right = clip_x2;
-		cmd->body.destRect.top = clip_y1;
-		cmd->body.destRect.bottom = clip_y2;
+		/* if no cliprects hit skip this */
+		if (num == 0)
+			continue;
 
+		/* recalculate package length */
+		fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
+		cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
 		ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
 					  fifo_size, 0, NULL);
 
@@ -1190,6 +1291,8 @@ int vmw_kms_present(struct vmw_private *dev_priv,
 	}
 
 	kfree(cmd);
+out_free_tmp:
+	kfree(tmp);
 
 	return ret;
 }
-- 
GitLab


From 12275dd4b747f5d87fa36229774d76bca8e63068 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Mon, 19 Dec 2011 09:30:35 -0500
Subject: [PATCH 1522/1594] Revert "xen/pv-on-hvm kexec: add xs_reset_watches
 to shutdown watches from old kernel"

This reverts commit ddacf5ef684a655abe2bb50c4b2a5b72ae0d5e05.
As when booting the kernel under Amazon EC2 as an HVM guest it ends up
hanging during startup. Reverting this we loose the fix for kexec
booting to the crash kernels.

Fixes Canonical BZ #901305 (http://bugs.launchpad.net/bugs/901305)

Tested-by: Alessandro Salvatori <sandr8@gmail.com>
Reported-by:  Stefan Bader <stefan.bader@canonical.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 drivers/xen/xenbus/xenbus_xs.c     | 13 -------------
 include/xen/interface/io/xs_wire.h |  3 +--
 2 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index b3b8f2f3ad10..ede860f921df 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -621,15 +621,6 @@ static struct xenbus_watch *find_watch(const char *token)
 	return NULL;
 }
 
-static void xs_reset_watches(void)
-{
-	int err;
-
-	err = xs_error(xs_single(XBT_NIL, XS_RESET_WATCHES, "", NULL));
-	if (err && err != -EEXIST)
-		printk(KERN_WARNING "xs_reset_watches failed: %d\n", err);
-}
-
 /* Register callback to watch this node. */
 int register_xenbus_watch(struct xenbus_watch *watch)
 {
@@ -906,9 +897,5 @@ int xs_init(void)
 	if (IS_ERR(task))
 		return PTR_ERR(task);
 
-	/* shutdown watches for kexec boot */
-	if (xen_hvm_domain())
-		xs_reset_watches();
-
 	return 0;
 }
diff --git a/include/xen/interface/io/xs_wire.h b/include/xen/interface/io/xs_wire.h
index f0b6890370be..f6f07aa35af5 100644
--- a/include/xen/interface/io/xs_wire.h
+++ b/include/xen/interface/io/xs_wire.h
@@ -29,8 +29,7 @@ enum xsd_sockmsg_type
     XS_IS_DOMAIN_INTRODUCED,
     XS_RESUME,
     XS_SET_TARGET,
-    XS_RESTRICT,
-    XS_RESET_WATCHES
+    XS_RESTRICT
 };
 
 #define XS_WRITE_NONE "NONE"
-- 
GitLab


From 913050b91eb94f194392dd797b1ff3779f606ac0 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Mon, 19 Dec 2011 16:38:30 +0100
Subject: [PATCH 1523/1594] oprofile: Fix uninitialized memory access when
 writing to writing to oprofilefs

If oprofilefs_ulong_from_user() is called with count equals
zero, *val remains unchanged. Depending on the implementation it
might be uninitialized.

Change oprofilefs_ulong_from_user()'s interface to return count
on success. Thus, we are able to return early if count equals
zero which avoids using *val uninitialized. Fixing all users of
oprofilefs_ulong_ from_user().

This follows write syscall implementation when count is zero:
"If count is zero ... [and if] no errors are detected, 0 will be
returned without causing any other effect." (man 2 write)

Reported-By: Mike Waychison <mikew@google.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: <stable@vger.kernel.org>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Link: http://lkml.kernel.org/r/20111219153830.GH16765@erda.amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/s390/oprofile/init.c         |  2 +-
 drivers/oprofile/oprofile_files.c |  7 ++++---
 drivers/oprofile/oprofilefs.c     | 11 +++++++++--
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index 6efc18b5e60a..bd58b72454cf 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -88,7 +88,7 @@ static ssize_t hwsampler_write(struct file *file, char const __user *buf,
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
 	if (oprofile_started)
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index 89f63456646f..84a208dbed93 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -45,7 +45,7 @@ static ssize_t timeout_write(struct file *file, char const __user *buf,
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
 	retval = oprofile_set_timeout(val);
@@ -84,7 +84,7 @@ static ssize_t depth_write(struct file *file, char const __user *buf, size_t cou
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
 	retval = oprofile_set_ulong(&oprofile_backtrace_depth, val);
@@ -141,9 +141,10 @@ static ssize_t enable_write(struct file *file, char const __user *buf, size_t co
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
+	retval = 0;
 	if (val)
 		retval = oprofile_start();
 	else
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index d0de6cc2d7a5..2f0aa0f700e6 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -60,6 +60,13 @@ ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user *buf, size_t cou
 }
 
 
+/*
+ * Note: If oprofilefs_ulong_from_user() returns 0, then *val remains
+ * unchanged and might be uninitialized. This follows write syscall
+ * implementation when count is zero: "If count is zero ... [and if]
+ * no errors are detected, 0 will be returned without causing any
+ * other effect." (man 2 write)
+ */
 int oprofilefs_ulong_from_user(unsigned long *val, char const __user *buf, size_t count)
 {
 	char tmpbuf[TMPBUFSIZE];
@@ -79,7 +86,7 @@ int oprofilefs_ulong_from_user(unsigned long *val, char const __user *buf, size_
 	raw_spin_lock_irqsave(&oprofilefs_lock, flags);
 	*val = simple_strtoul(tmpbuf, NULL, 0);
 	raw_spin_unlock_irqrestore(&oprofilefs_lock, flags);
-	return 0;
+	return count;
 }
 
 
@@ -99,7 +106,7 @@ static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_
 		return -EINVAL;
 
 	retval = oprofilefs_ulong_from_user(&value, buf, count);
-	if (retval)
+	if (retval <= 0)
 		return retval;
 
 	retval = oprofile_set_ulong(file->private_data, value);
-- 
GitLab


From e0197aae59e55c06db172bfbe1a1cdb8c0e1cab3 Mon Sep 17 00:00:00 2001
From: Mandeep Singh Baines <msb@chromium.org>
Date: Thu, 15 Dec 2011 11:36:43 -0800
Subject: [PATCH 1524/1594] cgroups: fix a css_set not found bug in
 cgroup_attach_proc

There is a BUG when migrating a PF_EXITING proc. Since css_set_prefetch()
is not called for the PF_EXITING case, find_existing_css_set() will return
NULL inside cgroup_task_migrate() causing a BUG.

This bug is easy to reproduce. Create a zombie and echo its pid to
cgroup.procs.

$ cat zombie.c
\#include <unistd.h>

int main()
{
  if (fork())
      pause();
  return 0;
}
$

We are hitting this bug pretty regularly on ChromeOS.

This bug is already fixed by Tejun Heo's cgroup patchset which is
targetted for the next merge window:

https://lkml.org/lkml/2011/11/1/356

I've create a smaller patch here which just fixes this bug so that a
fix can be merged into the current release and stable.

Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Downstream-Bug-Report: http://crosbug.com/23953
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: containers@lists.linux-foundation.org
Cc: cgroups@vger.kernel.org
Cc: stable@kernel.org
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Paul Menage <paul@paulmenage.org>
Cc: Olof Johansson <olofj@chromium.org>
---
 kernel/cgroup.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index d9d5648f3cdc..a184470cf9b5 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2098,11 +2098,6 @@ int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
 			continue;
 		/* get old css_set pointer */
 		task_lock(tsk);
-		if (tsk->flags & PF_EXITING) {
-			/* ignore this task if it's going away */
-			task_unlock(tsk);
-			continue;
-		}
 		oldcg = tsk->cgroups;
 		get_css_set(oldcg);
 		task_unlock(tsk);
-- 
GitLab


From 04ded1672402577cd3f390c764f3046cc704a42a Mon Sep 17 00:00:00 2001
From: Sean Hefty <sean.hefty@intel.com>
Date: Tue, 6 Dec 2011 21:17:11 +0000
Subject: [PATCH 1525/1594] RDMA/cma: Verify private data length

private_data_len is defined as a u8.  If the user specifies a large
private_data size (> 220 bytes), we will calculate a total length that
exceeds 255, resulting in private_data_len wrapping back to 0.  This
can lead to overwriting random kernel memory.  Avoid this by verifying
that the resulting size fits into a u8.

Reported-by: B. Thery <benjamin.thery@bull.net>
Addresses: <http://bugs.openfabrics.org/bugzilla/show_bug.cgi?id=2335>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/core/cma.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 75ff821c0af0..d0d4aa9f4802 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2513,6 +2513,9 @@ static int cma_resolve_ib_udp(struct rdma_id_private *id_priv,
 
 	req.private_data_len = sizeof(struct cma_hdr) +
 			       conn_param->private_data_len;
+	if (req.private_data_len < conn_param->private_data_len)
+		return -EINVAL;
+
 	req.private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
 	if (!req.private_data)
 		return -ENOMEM;
@@ -2562,6 +2565,9 @@ static int cma_connect_ib(struct rdma_id_private *id_priv,
 	memset(&req, 0, sizeof req);
 	offset = cma_user_data_offset(id_priv->id.ps);
 	req.private_data_len = offset + conn_param->private_data_len;
+	if (req.private_data_len < conn_param->private_data_len)
+		return -EINVAL;
+
 	private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
 	if (!private_data)
 		return -ENOMEM;
-- 
GitLab


From 29d1b16145e78e0f4af54751965c4a09e83bd872 Mon Sep 17 00:00:00 2001
From: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Date: Fri, 2 Dec 2011 12:41:30 -0500
Subject: [PATCH 1526/1594] IB/qib: Correct sense on freectxts increment and
 decrement

Commit 53ab1c64983 ("IB/qib: Correct nfreectxts for multiple HCAs")
reversed the increments and decrements of dd->nfreectxts.  Fix it.

Reviewed-by: Ram Vepa <ram.vepa@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/hw/qib/qib_file_ops.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 574600ef5b42..a7403248d83d 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1285,7 +1285,7 @@ static int setup_ctxt(struct qib_pportdata *ppd, int ctxt,
 	strlcpy(rcd->comm, current->comm, sizeof(rcd->comm));
 	ctxt_fp(fp) = rcd;
 	qib_stats.sps_ctxts++;
-	dd->freectxts++;
+	dd->freectxts--;
 	ret = 0;
 	goto bail;
 
@@ -1794,7 +1794,7 @@ static int qib_close(struct inode *in, struct file *fp)
 		if (dd->pageshadow)
 			unlock_expected_tids(rcd);
 		qib_stats.sps_ctxts--;
-		dd->freectxts--;
+		dd->freectxts++;
 	}
 
 	mutex_unlock(&qib_mutex);
-- 
GitLab


From 96f1f05af76b601ab21a7dc603ae0a1cea4efc3d Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Fri, 16 Dec 2011 07:53:18 -0800
Subject: [PATCH 1527/1594] iwlwifi: update SCD BC table for all SCD queues

Since we configure all the queues as CHAINABLE, we need to update the
byte count for all the queues, not only the AGGREGATABLE ones.

Not doing so can confuse the SCD and make the fw assert.

Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index ce918980e977..5f17ab8e76ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1197,9 +1197,7 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
 	iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
 
 	/* Set up entry for this TFD in Tx byte-count array */
-	if (is_agg)
-		iwl_trans_txq_update_byte_cnt_tbl(trans, txq,
-					       le16_to_cpu(tx_cmd->len));
+	iwl_trans_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len));
 
 	dma_sync_single_for_device(bus(trans)->dev, txcmd_phys, firstlen,
 			DMA_BIDIRECTIONAL);
-- 
GitLab


From c070e38e4ee005f55895df177a9e14d90d6204b3 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Wed, 16 Nov 2011 10:54:02 -0300
Subject: [PATCH 1528/1594] [media] omap3isp: Fix crash caused by subdevs now
 having a pointer to devnodes

Commit 3e0ec41c5c5ee14e27f65e28d4a616de34f59a97 ("V4L: dynamically
allocate video_device nodes in subdevices") makes the
embedding video_device directly.

Fix accesses to the devnode accordingly.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/omap3isp/ispccdc.c | 2 +-
 drivers/media/video/omap3isp/ispstat.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index b0b0fa5a3572..54a4a3f22e2e 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -1408,7 +1408,7 @@ static void ccdc_hs_vs_isr(struct isp_ccdc_device *ccdc)
 {
 	struct isp_pipeline *pipe =
 		to_isp_pipeline(&ccdc->video_out.video.entity);
-	struct video_device *vdev = &ccdc->subdev.devnode;
+	struct video_device *vdev = ccdc->subdev.devnode;
 	struct v4l2_event event;
 
 	memset(&event, 0, sizeof(event));
diff --git a/drivers/media/video/omap3isp/ispstat.c b/drivers/media/video/omap3isp/ispstat.c
index 68d539456c55..bc0b2c7349b9 100644
--- a/drivers/media/video/omap3isp/ispstat.c
+++ b/drivers/media/video/omap3isp/ispstat.c
@@ -496,7 +496,7 @@ static int isp_stat_bufs_alloc(struct ispstat *stat, u32 size)
 
 static void isp_stat_queue_event(struct ispstat *stat, int err)
 {
-	struct video_device *vdev = &stat->subdev.devnode;
+	struct video_device *vdev = stat->subdev.devnode;
 	struct v4l2_event event;
 	struct omap3isp_stat_event_status *status = (void *)event.u.data;
 
-- 
GitLab


From a03ffcf873fe0f2565386ca8ef832144c42e67fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20K=C3=B6tter?= <nepenthesdev@gmail.com>
Date: Sat, 17 Dec 2011 11:39:08 +0000
Subject: [PATCH 1529/1594] net: bpf_jit: fix an off-one bug in x86_64 cond
 jump target
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

x86 jump instruction size is 2 or 5 bytes (near/long jump), not 2 or 6
bytes.

In case a conditional jump is followed by a long jump, conditional jump
target is one byte past the start of target instruction.

Signed-off-by: Markus Kötter <nepenthesdev@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/x86/net/bpf_jit_comp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index bfab3fa10edc..7b65f752c5f8 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -568,8 +568,8 @@ cond_branch:			f_offset = addrs[i + filter[i].jf] - addrs[i];
 					break;
 				}
 				if (filter[i].jt != 0) {
-					if (filter[i].jf)
-						t_offset += is_near(f_offset) ? 2 : 6;
+					if (filter[i].jf && f_offset)
+						t_offset += is_near(f_offset) ? 2 : 5;
 					EMIT_COND_JMP(t_op, t_offset);
 					if (filter[i].jf)
 						EMIT_JMP(f_offset);
-- 
GitLab


From 9cef310fcdee12b49b8b4c96fd8f611c8873d284 Mon Sep 17 00:00:00 2001
From: Alex Juncu <ajuncu@ixiacom.com>
Date: Thu, 15 Dec 2011 23:01:25 +0000
Subject: [PATCH 1530/1594] llc: llc_cmsg_rcv was getting called after
 sk_eat_skb.

Received non stream protocol packets were calling llc_cmsg_rcv that used a
skb after that skb was released by sk_eat_skb. This caused received STP
packets to generate kernel panics.

Signed-off-by: Alexandru Juncu <ajuncu@ixiacom.com>
Signed-off-by: Kunjan Naik <knaik@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/llc/af_llc.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index dfd3a648a551..a18e6c3d36e3 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -833,15 +833,15 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock,
 		copied += used;
 		len -= used;
 
+		/* For non stream protcols we get one packet per recvmsg call */
+		if (sk->sk_type != SOCK_STREAM)
+			goto copy_uaddr;
+
 		if (!(flags & MSG_PEEK)) {
 			sk_eat_skb(sk, skb, 0);
 			*seq = 0;
 		}
 
-		/* For non stream protcols we get one packet per recvmsg call */
-		if (sk->sk_type != SOCK_STREAM)
-			goto copy_uaddr;
-
 		/* Partial read */
 		if (used + offset < skb->len)
 			continue;
@@ -857,6 +857,12 @@ copy_uaddr:
 	}
 	if (llc_sk(sk)->cmsg_flags)
 		llc_cmsg_rcv(msg, skb);
+
+	if (!(flags & MSG_PEEK)) {
+			sk_eat_skb(sk, skb, 0);
+			*seq = 0;
+	}
+
 	goto out;
 }
 
-- 
GitLab


From 2ca6cf06d988fea21e812a86be79353352677c9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?fran=C3=A7ois=20romieu?= <romieu@fr.zoreil.com>
Date: Thu, 15 Dec 2011 08:37:43 +0000
Subject: [PATCH 1531/1594] r8169: fix Config2 MSIEnable bit setting.

The MSIEnable bit is only available for the 8169.

Avoid Config2 writes for the post-8169 8168 and 810x.

Reported-by: Su Kang Yin <cantona@cantona.net>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/realtek/r8169.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 67bf07819992..c8f47f17186f 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -477,7 +477,6 @@ enum rtl_register_content {
 	/* Config1 register p.24 */
 	LEDS1		= (1 << 7),
 	LEDS0		= (1 << 6),
-	MSIEnable	= (1 << 5),	/* Enable Message Signaled Interrupt */
 	Speed_down	= (1 << 4),
 	MEMMAP		= (1 << 3),
 	IOMAP		= (1 << 2),
@@ -485,6 +484,7 @@ enum rtl_register_content {
 	PMEnable	= (1 << 0),	/* Power Management Enable */
 
 	/* Config2 register p. 25 */
+	MSIEnable	= (1 << 5),	/* 8169 only. Reserved in the 8168. */
 	PCI_Clock_66MHz = 0x01,
 	PCI_Clock_33MHz = 0x00,
 
@@ -3426,22 +3426,24 @@ static const struct rtl_cfg_info {
 };
 
 /* Cfg9346_Unlock assumed. */
-static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
+static unsigned rtl_try_msi(struct rtl8169_private *tp,
 			    const struct rtl_cfg_info *cfg)
 {
+	void __iomem *ioaddr = tp->mmio_addr;
 	unsigned msi = 0;
 	u8 cfg2;
 
 	cfg2 = RTL_R8(Config2) & ~MSIEnable;
 	if (cfg->features & RTL_FEATURE_MSI) {
-		if (pci_enable_msi(pdev)) {
-			dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
+		if (pci_enable_msi(tp->pci_dev)) {
+			netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
 		} else {
 			cfg2 |= MSIEnable;
 			msi = RTL_FEATURE_MSI;
 		}
 	}
-	RTL_W8(Config2, cfg2);
+	if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
+		RTL_W8(Config2, cfg2);
 	return msi;
 }
 
@@ -4077,7 +4079,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		tp->features |= RTL_FEATURE_WOL;
 	if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
 		tp->features |= RTL_FEATURE_WOL;
-	tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
+	tp->features |= rtl_try_msi(tp, cfg);
 	RTL_W8(Cfg9346, Cfg9346_Lock);
 
 	if (rtl_tbi_enabled(tp)) {
-- 
GitLab


From 13f541c10b30fc6529200d7f9a0073217709622f Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Mon, 19 Dec 2011 22:07:58 +0100
Subject: [PATCH 1532/1594] x86, dumpstack: Fix code bytes breakage due to
 missing KERN_CONT

When printing the code bytes in show_registers(), the markers around the
byte at the fault address could make the printk() format string look
like a valid log level and facility code.  This would prevent this byte
from being printed and result in a spurious newline:

[ 7555.765589] Code: 8b 32 e9 94 00 00 00 81 7d 00 ff 00 00 00 0f 87 96 00 00 00 48 8b 83 c0 00 00 00 44 89 e2 44 89 e6 48 89 df 48 8b 80 d8 02 00 00
[ 7555.765683]  8b 48 28 48 89 d0 81 e2 ff 0f 00 00 48 c1 e8 0c 48 c1 e0 04

Add KERN_CONT where needed, and elsewhere in show_registers() for
consistency.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Link: http://lkml.kernel.org/r/4EEFA7AE.9020407@ladisch.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/kernel/dumpstack_32.c | 8 ++++----
 arch/x86/kernel/dumpstack_64.c | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
index 3b97a80ce329..c99f9ed013d5 100644
--- a/arch/x86/kernel/dumpstack_32.c
+++ b/arch/x86/kernel/dumpstack_32.c
@@ -116,16 +116,16 @@ void show_registers(struct pt_regs *regs)
 		for (i = 0; i < code_len; i++, ip++) {
 			if (ip < (u8 *)PAGE_OFFSET ||
 					probe_kernel_address(ip, c)) {
-				printk(" Bad EIP value.");
+				printk(KERN_CONT " Bad EIP value.");
 				break;
 			}
 			if (ip == (u8 *)regs->ip)
-				printk("<%02x> ", c);
+				printk(KERN_CONT "<%02x> ", c);
 			else
-				printk("%02x ", c);
+				printk(KERN_CONT "%02x ", c);
 		}
 	}
-	printk("\n");
+	printk(KERN_CONT "\n");
 }
 
 int is_valid_bugaddr(unsigned long ip)
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 19853ad8afc5..6d728d9284bd 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -284,16 +284,16 @@ void show_registers(struct pt_regs *regs)
 		for (i = 0; i < code_len; i++, ip++) {
 			if (ip < (u8 *)PAGE_OFFSET ||
 					probe_kernel_address(ip, c)) {
-				printk(" Bad RIP value.");
+				printk(KERN_CONT " Bad RIP value.");
 				break;
 			}
 			if (ip == (u8 *)regs->ip)
-				printk("<%02x> ", c);
+				printk(KERN_CONT "<%02x> ", c);
 			else
-				printk("%02x ", c);
+				printk(KERN_CONT "%02x ", c);
 		}
 	}
-	printk("\n");
+	printk(KERN_CONT "\n");
 }
 
 int is_valid_bugaddr(unsigned long ip)
-- 
GitLab


From 2692ba61a82203404abd7dd2a027bda962861f74 Mon Sep 17 00:00:00 2001
From: Xi Wang <xi.wang@gmail.com>
Date: Fri, 16 Dec 2011 12:44:15 +0000
Subject: [PATCH 1533/1594] sctp: fix incorrect overflow check on autoclose

Commit 8ffd3208 voids the previous patches f6778aab and 810c0719 for
limiting the autoclose value.  If userspace passes in -1 on 32-bit
platform, the overflow check didn't work and autoclose would be set
to 0xffffffff.

This patch defines a max_autoclose (in seconds) for limiting the value
and exposes it through sysctl, with the following intentions.

1) Avoid overflowing autoclose * HZ.

2) Keep the default autoclose bound consistent across 32- and 64-bit
   platforms (INT_MAX / HZ in this patch).

3) Keep the autoclose value consistent between setsockopt() and
   getsockopt() calls.

Suggested-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/sctp/structs.h |  4 ++++
 net/sctp/associola.c       |  2 +-
 net/sctp/protocol.c        |  3 +++
 net/sctp/socket.c          |  2 --
 net/sctp/sysctl.c          | 13 +++++++++++++
 5 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index e90e7a9935dd..a15432da27c3 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -241,6 +241,9 @@ extern struct sctp_globals {
 	 * bits is an indicator of when to send and window update SACK.
 	 */
 	int rwnd_update_shift;
+
+	/* Threshold for autoclose timeout, in seconds. */
+	unsigned long max_autoclose;
 } sctp_globals;
 
 #define sctp_rto_initial		(sctp_globals.rto_initial)
@@ -281,6 +284,7 @@ extern struct sctp_globals {
 #define sctp_auth_enable		(sctp_globals.auth_enable)
 #define sctp_checksum_disable		(sctp_globals.checksum_disable)
 #define sctp_rwnd_upd_shift		(sctp_globals.rwnd_update_shift)
+#define sctp_max_autoclose		(sctp_globals.max_autoclose)
 
 /* SCTP Socket type: UDP or TCP style. */
 typedef enum {
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 152b5b3c3fff..acd2edbc073e 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -173,7 +173,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] = 0;
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = asoc->sackdelay;
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
-		(unsigned long)sp->autoclose * HZ;
+		min_t(unsigned long, sp->autoclose, sctp_max_autoclose) * HZ;
 
 	/* Initializes the timers */
 	for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i)
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 61b9fca5a173..6f6ad8686833 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1285,6 +1285,9 @@ SCTP_STATIC __init int sctp_init(void)
 	sctp_max_instreams    		= SCTP_DEFAULT_INSTREAMS;
 	sctp_max_outstreams   		= SCTP_DEFAULT_OUTSTREAMS;
 
+	/* Initialize maximum autoclose timeout. */
+	sctp_max_autoclose		= INT_MAX / HZ;
+
 	/* Initialize handle used for association ids. */
 	idr_init(&sctp_assocs_id);
 
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 13bf5fcdbff1..54a7cd2fdd7a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2200,8 +2200,6 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
 		return -EINVAL;
 	if (copy_from_user(&sp->autoclose, optval, optlen))
 		return -EFAULT;
-	/* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
-	sp->autoclose = min_t(long, sp->autoclose, MAX_SCHEDULE_TIMEOUT / HZ);
 
 	return 0;
 }
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 6b3952961b85..60ffbd067ff7 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -53,6 +53,10 @@ static int sack_timer_min = 1;
 static int sack_timer_max = 500;
 static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */
 static int rwnd_scale_max = 16;
+static unsigned long max_autoclose_min = 0;
+static unsigned long max_autoclose_max =
+	(MAX_SCHEDULE_TIMEOUT / HZ > UINT_MAX)
+	? UINT_MAX : MAX_SCHEDULE_TIMEOUT / HZ;
 
 extern long sysctl_sctp_mem[3];
 extern int sysctl_sctp_rmem[3];
@@ -258,6 +262,15 @@ static ctl_table sctp_table[] = {
 		.extra1		= &one,
 		.extra2		= &rwnd_scale_max,
 	},
+	{
+		.procname	= "max_autoclose",
+		.data		= &sctp_max_autoclose,
+		.maxlen		= sizeof(unsigned long),
+		.mode		= 0644,
+		.proc_handler	= &proc_doulongvec_minmax,
+		.extra1		= &max_autoclose_min,
+		.extra2		= &max_autoclose_max,
+	},
 
 	{ /* sentinel */ }
 };
-- 
GitLab


From 7746ab0abb512826540a9a0c917519d11a7bf392 Mon Sep 17 00:00:00 2001
From: Ilya Yanok <yanok@emcraft.com>
Date: Sun, 18 Dec 2011 10:02:04 +0000
Subject: [PATCH 1534/1594] davinci-cpdma: fix locking issue in cpdma_chan_stop

Free the channel lock before calling __cpdma_chan_process to prevent
dead lock.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Tested-by: Ameya Palande <2ameya@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/ti/davinci_cpdma.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index dca9d3369cdd..c97d2f590855 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -836,11 +836,13 @@ int cpdma_chan_stop(struct cpdma_chan *chan)
 	chan_write(chan, cp, CPDMA_TEARDOWN_VALUE);
 
 	/* handle completed packets */
+	spin_unlock_irqrestore(&chan->lock, flags);
 	do {
 		ret = __cpdma_chan_process(chan);
 		if (ret < 0)
 			break;
 	} while ((ret & CPDMA_DESC_TD_COMPLETE) == 0);
+	spin_lock_irqsave(&chan->lock, flags);
 
 	/* remaining packets haven't been tx/rx'ed, clean them up */
 	while (chan->head) {
-- 
GitLab


From e8303a3b2196272c3eb994d0fd1a189a958a2bdd Mon Sep 17 00:00:00 2001
From: Aurelien Jacobs <aurel@gnuage.org>
Date: Fri, 16 Dec 2011 10:49:22 +0000
Subject: [PATCH 1535/1594] asix: new device id

Adds the device id needed for the USB Ethernet Adapter delivered by
ASUS with their Zenbook.

Signed-off-by: Aurelien Jacobs <aurel@gnuage.org>
Acked-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/asix.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index e6fed4d4cb77..e95f0e60a9bc 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -1655,6 +1655,10 @@ static const struct usb_device_id	products [] = {
 	// ASIX 88772a
 	USB_DEVICE(0x0db0, 0xa877),
 	.driver_info = (unsigned long) &ax88772_info,
+}, {
+	// Asus USB Ethernet Adapter
+	USB_DEVICE (0x0b95, 0x7e2b),
+	.driver_info = (unsigned long) &ax88772_info,
 },
 	{ },		// END
 };
-- 
GitLab


From 29495aa04a30c21565243c5b9c028510446d242c Mon Sep 17 00:00:00 2001
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Thu, 3 Nov 2011 11:09:45 +0100
Subject: [PATCH 1536/1594] mmc: sdhci: remove "state" argument from
 sdhci_suspend_host

Drop the "state" argument from sdhci_suspend_host.  Its only user is the
PCI glue;  this allows to move all SDHCI glues to use dev_pm_ops instead.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/host/sdhci-cns3xxx.c   |  5 +----
 drivers/mmc/host/sdhci-dove.c      |  5 +----
 drivers/mmc/host/sdhci-esdhc-imx.c |  5 +----
 drivers/mmc/host/sdhci-of-esdhc.c  |  5 +----
 drivers/mmc/host/sdhci-of-hlwd.c   |  5 +----
 drivers/mmc/host/sdhci-pci.c       | 26 +++++++++++++-------------
 drivers/mmc/host/sdhci-pltfm.c     | 18 +++++++++++-------
 drivers/mmc/host/sdhci-pltfm.h     |  6 ++++--
 drivers/mmc/host/sdhci-pxav2.c     |  5 +----
 drivers/mmc/host/sdhci-pxav3.c     |  5 +----
 drivers/mmc/host/sdhci-s3c.c       | 21 ++++++++++++++-------
 drivers/mmc/host/sdhci-tegra.c     |  5 +----
 drivers/mmc/host/sdhci.c           |  2 +-
 drivers/mmc/host/sdhci.h           |  2 +-
 14 files changed, 52 insertions(+), 63 deletions(-)

diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c
index 87b6f079b6e0..b4257e700617 100644
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -109,13 +109,10 @@ static struct platform_driver sdhci_cns3xxx_driver = {
 	.driver		= {
 		.name	= "sdhci-cns3xxx",
 		.owner	= THIS_MODULE,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_cns3xxx_probe,
 	.remove		= __devexit_p(sdhci_cns3xxx_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_cns3xxx_init(void)
diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c
index f2d29dca4420..a81312c91f70 100644
--- a/drivers/mmc/host/sdhci-dove.c
+++ b/drivers/mmc/host/sdhci-dove.c
@@ -82,13 +82,10 @@ static struct platform_driver sdhci_dove_driver = {
 	.driver		= {
 		.name	= "sdhci-dove",
 		.owner	= THIS_MODULE,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_dove_probe,
 	.remove		= __devexit_p(sdhci_dove_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_dove_init(void)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 4b976f00ea85..38ebc4ea259f 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -599,14 +599,11 @@ static struct platform_driver sdhci_esdhc_imx_driver = {
 		.name	= "sdhci-esdhc-imx",
 		.owner	= THIS_MODULE,
 		.of_match_table = imx_esdhc_dt_ids,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.id_table	= imx_esdhc_devtype,
 	.probe		= sdhci_esdhc_imx_probe,
 	.remove		= __devexit_p(sdhci_esdhc_imx_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_esdhc_imx_init(void)
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 59e9d003e589..01e5f627e0f0 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -125,13 +125,10 @@ static struct platform_driver sdhci_esdhc_driver = {
 		.name = "sdhci-esdhc",
 		.owner = THIS_MODULE,
 		.of_match_table = sdhci_esdhc_of_match,
+		.pm = SDHCI_PLTFM_PMOPS,
 	},
 	.probe = sdhci_esdhc_probe,
 	.remove = __devexit_p(sdhci_esdhc_remove),
-#ifdef CONFIG_PM
-	.suspend = sdhci_pltfm_suspend,
-	.resume = sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_esdhc_init(void)
diff --git a/drivers/mmc/host/sdhci-of-hlwd.c b/drivers/mmc/host/sdhci-of-hlwd.c
index 9b0d794a4f69..3619adc7d9fc 100644
--- a/drivers/mmc/host/sdhci-of-hlwd.c
+++ b/drivers/mmc/host/sdhci-of-hlwd.c
@@ -87,13 +87,10 @@ static struct platform_driver sdhci_hlwd_driver = {
 		.name = "sdhci-hlwd",
 		.owner = THIS_MODULE,
 		.of_match_table = sdhci_hlwd_of_match,
+		.pm = SDHCI_PLTFM_PMOPS,
 	},
 	.probe = sdhci_hlwd_probe,
 	.remove = __devexit_p(sdhci_hlwd_remove),
-#ifdef CONFIG_PM
-	.suspend = sdhci_pltfm_suspend,
-	.resume = sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_hlwd_init(void)
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index d833d9c2f7e3..6878a94626bc 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -54,8 +54,7 @@ struct sdhci_pci_fixes {
 	int			(*probe_slot) (struct sdhci_pci_slot *);
 	void			(*remove_slot) (struct sdhci_pci_slot *, int);
 
-	int			(*suspend) (struct sdhci_pci_chip *,
-					pm_message_t);
+	int			(*suspend) (struct sdhci_pci_chip *);
 	int			(*resume) (struct sdhci_pci_chip *);
 };
 
@@ -549,7 +548,7 @@ static void jmicron_remove_slot(struct sdhci_pci_slot *slot, int dead)
 		jmicron_enable_mmc(slot->host, 0);
 }
 
-static int jmicron_suspend(struct sdhci_pci_chip *chip, pm_message_t state)
+static int jmicron_suspend(struct sdhci_pci_chip *chip)
 {
 	int i;
 
@@ -993,8 +992,9 @@ static struct sdhci_ops sdhci_pci_ops = {
 
 #ifdef CONFIG_PM
 
-static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int sdhci_pci_suspend(struct device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev);
 	struct sdhci_pci_chip *chip;
 	struct sdhci_pci_slot *slot;
 	mmc_pm_flag_t slot_pm_flags;
@@ -1010,7 +1010,7 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 		if (!slot)
 			continue;
 
-		ret = sdhci_suspend_host(slot->host, state);
+		ret = sdhci_suspend_host(slot->host);
 
 		if (ret) {
 			for (i--; i >= 0; i--)
@@ -1026,7 +1026,7 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 	}
 
 	if (chip->fixes && chip->fixes->suspend) {
-		ret = chip->fixes->suspend(chip, state);
+		ret = chip->fixes->suspend(chip);
 		if (ret) {
 			for (i = chip->num_slots - 1; i >= 0; i--)
 				sdhci_resume_host(chip->slots[i]->host);
@@ -1042,16 +1042,17 @@ static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 		}
 		pci_set_power_state(pdev, PCI_D3hot);
 	} else {
-		pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+		pci_enable_wake(pdev, PCI_D3hot, 0);
 		pci_disable_device(pdev);
-		pci_set_power_state(pdev, pci_choose_state(pdev, state));
+		pci_set_power_state(pdev, PCI_D3hot);
 	}
 
 	return 0;
 }
 
-static int sdhci_pci_resume(struct pci_dev *pdev)
+static int sdhci_pci_resume(struct device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev);
 	struct sdhci_pci_chip *chip;
 	struct sdhci_pci_slot *slot;
 	int i, ret;
@@ -1099,7 +1100,6 @@ static int sdhci_pci_runtime_suspend(struct device *dev)
 	struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
 	struct sdhci_pci_chip *chip;
 	struct sdhci_pci_slot *slot;
-	pm_message_t state = { .event = PM_EVENT_SUSPEND };
 	int i, ret;
 
 	chip = pci_get_drvdata(pdev);
@@ -1121,7 +1121,7 @@ static int sdhci_pci_runtime_suspend(struct device *dev)
 	}
 
 	if (chip->fixes && chip->fixes->suspend) {
-		ret = chip->fixes->suspend(chip, state);
+		ret = chip->fixes->suspend(chip);
 		if (ret) {
 			for (i = chip->num_slots - 1; i >= 0; i--)
 				sdhci_runtime_resume_host(chip->slots[i]->host);
@@ -1176,6 +1176,8 @@ static int sdhci_pci_runtime_idle(struct device *dev)
 #endif
 
 static const struct dev_pm_ops sdhci_pci_pm_ops = {
+	.suspend = sdhci_pci_suspend,
+	.resume = sdhci_pci_resume,
 	.runtime_suspend = sdhci_pci_runtime_suspend,
 	.runtime_resume = sdhci_pci_runtime_resume,
 	.runtime_idle = sdhci_pci_runtime_idle,
@@ -1428,8 +1430,6 @@ static struct pci_driver sdhci_driver = {
 	.id_table =	pci_ids,
 	.probe =	sdhci_pci_probe,
 	.remove =	__devexit_p(sdhci_pci_remove),
-	.suspend =	sdhci_pci_suspend,
-	.resume	=	sdhci_pci_resume,
 	.driver =	{
 		.pm =   &sdhci_pci_pm_ops
 	},
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index a9e12ea05583..03970bcb3495 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -194,21 +194,25 @@ int sdhci_pltfm_unregister(struct platform_device *pdev)
 EXPORT_SYMBOL_GPL(sdhci_pltfm_unregister);
 
 #ifdef CONFIG_PM
-int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state)
+static int sdhci_pltfm_suspend(struct device *dev)
 {
-	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_host *host = dev_get_drvdata(dev);
 
-	return sdhci_suspend_host(host, state);
+	return sdhci_suspend_host(host);
 }
-EXPORT_SYMBOL_GPL(sdhci_pltfm_suspend);
 
-int sdhci_pltfm_resume(struct platform_device *dev)
+static int sdhci_pltfm_resume(struct device *dev)
 {
-	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_host *host = dev_get_drvdata(dev);
 
 	return sdhci_resume_host(host);
 }
-EXPORT_SYMBOL_GPL(sdhci_pltfm_resume);
+
+const struct dev_pm_ops sdhci_pltfm_pmops = {
+	.suspend	= sdhci_pltfm_suspend,
+	.resume		= sdhci_pltfm_resume,
+};
+EXPORT_SYMBOL_GPL(sdhci_pltfm_pmops);
 #endif	/* CONFIG_PM */
 
 static int __init sdhci_pltfm_drv_init(void)
diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h
index 3a9fc3f40840..37e0e184a0bb 100644
--- a/drivers/mmc/host/sdhci-pltfm.h
+++ b/drivers/mmc/host/sdhci-pltfm.h
@@ -99,8 +99,10 @@ extern int sdhci_pltfm_register(struct platform_device *pdev,
 extern int sdhci_pltfm_unregister(struct platform_device *pdev);
 
 #ifdef CONFIG_PM
-extern int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state);
-extern int sdhci_pltfm_resume(struct platform_device *dev);
+extern const struct dev_pm_ops sdhci_pltfm_pmops;
+#define SDHCI_PLTFM_PMOPS (&sdhci_pltfm_pmops)
+#else
+#define SDHCI_PLTFM_PMOPS NULL
 #endif
 
 #endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */
diff --git a/drivers/mmc/host/sdhci-pxav2.c b/drivers/mmc/host/sdhci-pxav2.c
index d4bf6d30c7ba..7a039c3cb1f1 100644
--- a/drivers/mmc/host/sdhci-pxav2.c
+++ b/drivers/mmc/host/sdhci-pxav2.c
@@ -218,13 +218,10 @@ static struct platform_driver sdhci_pxav2_driver = {
 	.driver		= {
 		.name	= "sdhci-pxav2",
 		.owner	= THIS_MODULE,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_pxav2_probe,
 	.remove		= __devexit_p(sdhci_pxav2_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_pxav2_init(void)
 {
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index cff4ad3e7a59..15673a7ee6a5 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -264,13 +264,10 @@ static struct platform_driver sdhci_pxav3_driver = {
 	.driver		= {
 		.name	= "sdhci-pxav3",
 		.owner	= THIS_MODULE,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_pxav3_probe,
 	.remove		= __devexit_p(sdhci_pxav3_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 static int __init sdhci_pxav3_init(void)
 {
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index cb60c4197e0a..0d33ff0d67fb 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -622,23 +622,29 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 
 #ifdef CONFIG_PM
 
-static int sdhci_s3c_suspend(struct platform_device *dev, pm_message_t pm)
+static int sdhci_s3c_suspend(struct device *dev)
 {
-	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_host *host = dev_get_drvdata(dev);
 
-	return sdhci_suspend_host(host, pm);
+	return sdhci_suspend_host(host);
 }
 
-static int sdhci_s3c_resume(struct platform_device *dev)
+static int sdhci_s3c_resume(struct device *dev)
 {
-	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_host *host = dev_get_drvdata(dev);
 
 	return sdhci_resume_host(host);
 }
 
+static const struct dev_pm_ops sdhci_s3c_pmops = {
+	.suspend	= sdhci_s3c_suspend,
+	.resume		= sdhci_s3c_resume,
+};
+
+#define SDHCI_S3C_PMOPS (&sdhci_s3c_pmops)
+
 #else
-#define sdhci_s3c_suspend NULL
-#define sdhci_s3c_resume NULL
+#define SDHCI_S3C_PMOPS NULL
 #endif
 
 static struct platform_driver sdhci_s3c_driver = {
@@ -647,6 +653,7 @@ static struct platform_driver sdhci_s3c_driver = {
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "s3c-sdhci",
+		.pm	= SDHCI_S3C_PMOPS,
 	},
 };
 
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 89699e861fc1..e2e18d3f949c 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -318,13 +318,10 @@ static struct platform_driver sdhci_tegra_driver = {
 		.name	= "sdhci-tegra",
 		.owner	= THIS_MODULE,
 		.of_match_table = sdhci_tegra_dt_match,
+		.pm	= SDHCI_PLTFM_PMOPS,
 	},
 	.probe		= sdhci_tegra_probe,
 	.remove		= __devexit_p(sdhci_tegra_remove),
-#ifdef CONFIG_PM
-	.suspend	= sdhci_pltfm_suspend,
-	.resume		= sdhci_pltfm_resume,
-#endif
 };
 
 static int __init sdhci_tegra_init(void)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 6d8eea323541..19ed580f2cab 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2327,7 +2327,7 @@ out:
 
 #ifdef CONFIG_PM
 
-int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state)
+int sdhci_suspend_host(struct sdhci_host *host)
 {
 	int ret;
 
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 0a5b65460d8a..a04d4d0c6fd2 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -374,7 +374,7 @@ extern int sdhci_add_host(struct sdhci_host *host);
 extern void sdhci_remove_host(struct sdhci_host *host, int dead);
 
 #ifdef CONFIG_PM
-extern int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state);
+extern int sdhci_suspend_host(struct sdhci_host *host);
 extern int sdhci_resume_host(struct sdhci_host *host);
 extern void sdhci_enable_irq_wakeups(struct sdhci_host *host);
 #endif
-- 
GitLab


From 5c7f0e083d2d98ba14ddd10e88f001a0ead4cae4 Mon Sep 17 00:00:00 2001
From: Ohad Ben-Cohen <ohad@wizery.com>
Date: Mon, 19 Dec 2011 15:51:38 -0800
Subject: [PATCH 1537/1594] Revert "mmc: enable runtime PM by default"

When SDIO runtime PM was originally introduced, we immediately faced
two regressions with two different chipsets, and in response decided
not to enable it by default.

With the recent work on the 8686 we hoped we found all the gotchas,
so 08da834 did make sense (at least experimentally).

Unfortunately we now see that some setups out there still refuse to
work when SDIO runtime PM is enabled by default (see
http://www.spinics.net/lists/linux-mmc/msg11161.html), and obviously
we can't live with these kind of regressions.

This reverts commit 08da834a24312157f512224691ad1fddd11c1073.

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Daniel Drake <dsd@laptop.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/core/host.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index e8a5eb38748b..d31c78b72b0f 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -302,17 +302,6 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
 	host->max_blk_size = 512;
 	host->max_blk_count = PAGE_CACHE_SIZE / 512;
 
-	/*
-	 * Enable runtime power management by default. This flag was added due
-	 * to runtime power management causing disruption for some users, but
-	 * the power on/off code has been improved since then.
-	 *
-	 * We'll enable this flag by default as an experiment, and if no
-	 * problems are reported, we will follow up later and remove the flag
-	 * altogether.
-	 */
-	host->caps = MMC_CAP_POWER_OFF_CARD;
-
 	return host;
 
 free:
-- 
GitLab


From 61074287c2965edf0fc75b54ae8f4ce99f182669 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Thu, 15 Dec 2011 13:34:50 +1030
Subject: [PATCH 1538/1594] mmc: vub300: fix type of firmware_rom_wait_states
 module parameter

You didn't mean this to be a bool.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Tony Olech <tony.olech@elandigitalsystems.com>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 drivers/mmc/host/vub300.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c
index e8f6e65183d7..2ec978bc32ba 100644
--- a/drivers/mmc/host/vub300.c
+++ b/drivers/mmc/host/vub300.c
@@ -259,7 +259,7 @@ static int firmware_rom_wait_states = 0x04;
 static int firmware_rom_wait_states = 0x1C;
 #endif
 
-module_param(firmware_rom_wait_states, bool, 0644);
+module_param(firmware_rom_wait_states, int, 0644);
 MODULE_PARM_DESC(firmware_rom_wait_states,
 		 "ROM wait states byte=RRRIIEEE (Reserved Internal External)");
 
-- 
GitLab


From d21b59451886cb82448302f8d6f9ac87c3bd56cf Mon Sep 17 00:00:00 2001
From: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Date: Mon, 5 Dec 2011 13:17:41 +0200
Subject: [PATCH 1539/1594] evm: key must be set once during initialization

On multi-core systems, setting of the key before every caclculation,
causes invalid HMAC calculation for other tfm users, because internal
state (ipad, opad) can be invalid before set key call returns.
It needs to be set only once during initialization.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Acked-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
---
 security/integrity/evm/evm_crypto.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index 5dd5b140242c..4ad657d88097 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -41,6 +41,12 @@ static struct shash_desc *init_desc(void)
 			hmac_tfm = NULL;
 			return ERR_PTR(rc);
 		}
+		rc = crypto_shash_setkey(hmac_tfm, evmkey, evmkey_len);
+		if (rc) {
+			crypto_free_shash(hmac_tfm);
+			hmac_tfm = NULL;
+			return ERR_PTR(rc);
+		}
 	}
 
 	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac_tfm),
@@ -51,11 +57,7 @@ static struct shash_desc *init_desc(void)
 	desc->tfm = hmac_tfm;
 	desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
 
-	rc = crypto_shash_setkey(hmac_tfm, evmkey, evmkey_len);
-	if (rc)
-		goto out;
 	rc = crypto_shash_init(desc);
-out:
 	if (rc) {
 		kfree(desc);
 		return ERR_PTR(rc);
-- 
GitLab


From 97426f985729573cea06e82e271cc3929f1f5f8e Mon Sep 17 00:00:00 2001
From: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Date: Mon, 5 Dec 2011 13:17:42 +0200
Subject: [PATCH 1540/1594] evm: prevent racing during tfm allocation

There is a small chance of racing during tfm allocation.
This patch fixes it.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Acked-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
---
 security/integrity/evm/evm_crypto.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index 4ad657d88097..8738deff26fa 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -27,26 +27,35 @@ static int evmkey_len = MAX_KEY_SIZE;
 
 struct crypto_shash *hmac_tfm;
 
+static DEFINE_MUTEX(mutex);
+
 static struct shash_desc *init_desc(void)
 {
 	int rc;
 	struct shash_desc *desc;
 
 	if (hmac_tfm == NULL) {
+		mutex_lock(&mutex);
+		if (hmac_tfm)
+			goto out;
 		hmac_tfm = crypto_alloc_shash(evm_hmac, 0, CRYPTO_ALG_ASYNC);
 		if (IS_ERR(hmac_tfm)) {
 			pr_err("Can not allocate %s (reason: %ld)\n",
 			       evm_hmac, PTR_ERR(hmac_tfm));
 			rc = PTR_ERR(hmac_tfm);
 			hmac_tfm = NULL;
+			mutex_unlock(&mutex);
 			return ERR_PTR(rc);
 		}
 		rc = crypto_shash_setkey(hmac_tfm, evmkey, evmkey_len);
 		if (rc) {
 			crypto_free_shash(hmac_tfm);
 			hmac_tfm = NULL;
+			mutex_unlock(&mutex);
 			return ERR_PTR(rc);
 		}
+out:
+		mutex_unlock(&mutex);
 	}
 
 	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac_tfm),
-- 
GitLab


From 9ad33ba51a1ac29ba3cf90d95e4b7f7eba278f6c Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 31 Oct 2011 10:34:01 +0800
Subject: [PATCH 1541/1594] mfd: Add missed free_irq in da903x_remove

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/da903x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 1b79c37fd599..62ce685a79cb 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -549,6 +549,7 @@ static int __devexit da903x_remove(struct i2c_client *client)
 	struct da903x_chip *chip = i2c_get_clientdata(client);
 
 	da903x_remove_subdevs(chip);
+	free_irq(client->irq, chip);
 	kfree(chip);
 	return 0;
 }
-- 
GitLab


From 890c98e3746fa8705cc9c70979e64360cf2d8a31 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 31 Oct 2011 11:00:06 +0800
Subject: [PATCH 1542/1594] mfd: Set adp5520 bits if new value is different
 from the old one

Current code checks if all the bit_mask bits are all zero is wrong.
We need to write new value if the bit mask fields of new value is
not equal to old value.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/adp5520.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index f1d88483112c..8d816cce8322 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -109,7 +109,7 @@ int adp5520_set_bits(struct device *dev, int reg, uint8_t bit_mask)
 
 	ret = __adp5520_read(chip->client, reg, &reg_val);
 
-	if (!ret && ((reg_val & bit_mask) == 0)) {
+	if (!ret && ((reg_val & bit_mask) != bit_mask)) {
 		reg_val |= bit_mask;
 		ret = __adp5520_write(chip->client, reg, reg_val);
 	}
-- 
GitLab


From af65e6cef488be0bd15932c8ce9801a47a183051 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 31 Oct 2011 14:23:03 +0800
Subject: [PATCH 1543/1594] mfd: Set da903x bits if new value is different from
 the old one

It does not make sense to write new value only when all the bit_mask
bits are zero.
We need to write new value if the bit mask fields of new value is
not equal to old value.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/da903x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 62ce685a79cb..1924b857a0fb 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -182,7 +182,7 @@ int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
 	if (ret)
 		goto out;
 
-	if ((reg_val & bit_mask) == 0) {
+	if ((reg_val & bit_mask) != bit_mask) {
 		reg_val |= bit_mask;
 		ret = __da903x_write(chip->client, reg, reg_val);
 	}
-- 
GitLab


From 26bc4e0cc5426e86398d6780d160f02c0a347087 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 31 Oct 2011 14:24:30 +0800
Subject: [PATCH 1544/1594] mfd: Set tps6586x bits if new value is different
 from the old one

It does not make sense to write new value only when all the bit_mask
bits are zero.
We need to write new value if the bit mask fields of new value is
not equal to old value.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/tps6586x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index bba26d96c240..a5ddf31b60ca 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -197,7 +197,7 @@ int tps6586x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
 	if (ret)
 		goto out;
 
-	if ((reg_val & bit_mask) == 0) {
+	if ((reg_val & bit_mask) != bit_mask) {
 		reg_val |= bit_mask;
 		ret = __tps6586x_write(to_i2c_client(dev), reg, reg_val);
 	}
-- 
GitLab


From b5488b6e868454fb10d23278de5038cda98b13ab Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 4 Nov 2011 23:14:46 +0000
Subject: [PATCH 1545/1594] mfd: Update wm8994 active device checks for WM1811

This didn't go in as part of the original MFD patch for WM1811 due to
cross tree issues.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/wm8994-core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 5d6ba132837e..61894fced8ea 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -239,6 +239,7 @@ static int wm8994_suspend(struct device *dev)
 
 	switch (wm8994->type) {
 	case WM8958:
+	case WM1811:
 		ret = wm8994_reg_read(wm8994, WM8958_MIC_DETECT_1);
 		if (ret < 0) {
 			dev_err(dev, "Failed to read power status: %d\n", ret);
-- 
GitLab


From 858a6303f2b14945447a964563f54c918ef3927e Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 7 Nov 2011 11:20:09 +0800
Subject: [PATCH 1546/1594] mfd: include linux/module.h for ab5500-debugfs

Include linux/module.h to fix below build error:

  CC      drivers/mfd/ab5500-debugfs.o
drivers/mfd/ab5500-debugfs.c:571: error: 'THIS_MODULE' undeclared here (not in a function)
make[2]: *** [drivers/mfd/ab5500-debugfs.o] Error 1

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/ab5500-debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/ab5500-debugfs.c b/drivers/mfd/ab5500-debugfs.c
index 43c0ebb81956..b7b2d3483fd4 100644
--- a/drivers/mfd/ab5500-debugfs.c
+++ b/drivers/mfd/ab5500-debugfs.c
@@ -4,7 +4,7 @@
  * Debugfs support for the AB5500 MFD driver
  */
 
-#include <linux/export.h>
+#include <linux/module.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/mfd/ab5500/ab5500.h>
-- 
GitLab


From 8653be1afd60d6e8c36139b487e375b70357d9ef Mon Sep 17 00:00:00 2001
From: Ilya Yanok <yanok@emcraft.com>
Date: Mon, 1 Aug 2011 23:00:28 +0200
Subject: [PATCH 1547/1594] mfd: Fix twl-core oops while calling twl_i2c_* for
 unbound driver

Check inuse variable before trying to access twl_map to prevent
dereferencing of uninitialized variable.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Cc: stable@kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/twl-core.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index bfbd66021afd..61e70cfaa774 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -363,13 +363,13 @@ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
 		pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
 		return -EPERM;
 	}
-	sid = twl_map[mod_no].sid;
-	twl = &twl_modules[sid];
-
 	if (unlikely(!inuse)) {
-		pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+		pr_err("%s: not initialized\n", DRIVER_NAME);
 		return -EPERM;
 	}
+	sid = twl_map[mod_no].sid;
+	twl = &twl_modules[sid];
+
 	mutex_lock(&twl->xfer_lock);
 	/*
 	 * [MSG1]: fill the register address data
@@ -420,13 +420,13 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
 		pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
 		return -EPERM;
 	}
-	sid = twl_map[mod_no].sid;
-	twl = &twl_modules[sid];
-
 	if (unlikely(!inuse)) {
-		pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+		pr_err("%s: not initialized\n", DRIVER_NAME);
 		return -EPERM;
 	}
+	sid = twl_map[mod_no].sid;
+	twl = &twl_modules[sid];
+
 	mutex_lock(&twl->xfer_lock);
 	/* [MSG1] fill the register address data */
 	msg = &twl->xfer_msg[0];
-- 
GitLab


From df7206477e36bb73e81b99c2cbbc1b91e4b1c8ac Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 10 Nov 2011 09:56:18 +0800
Subject: [PATCH 1548/1594] mfd: add #ifdef CONFIG_DEBUG_FS guard for
 ab8500_debug_resources

Fix below build warning if CONFIG_DEBUG_FS is disabled.

  CC      drivers/mfd/ab8500-core.o
drivers/mfd/ab8500-core.c:623: warning: 'ab8500_debug_resources' defined but not used

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/ab8500-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 1e9173804ede..d3d572b2317b 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -620,6 +620,7 @@ static struct resource __devinitdata ab8500_fg_resources[] = {
 
 static struct resource __devinitdata ab8500_chargalg_resources[] = {};
 
+#ifdef CONFIG_DEBUG_FS
 static struct resource __devinitdata ab8500_debug_resources[] = {
 	{
 		.name	= "IRQ_FIRST",
@@ -634,6 +635,7 @@ static struct resource __devinitdata ab8500_debug_resources[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 };
+#endif
 
 static struct resource __devinitdata ab8500_usb_resources[] = {
 	{
-- 
GitLab


From 8f6a459a9daa6ce76d7c192f2cb3047fffb45ec8 Mon Sep 17 00:00:00 2001
From: Marcus Folkesson <marcus.folkesson@gmail.com>
Date: Tue, 22 Nov 2011 14:39:51 +0100
Subject: [PATCH 1549/1594] mfd: Handle tps65910 clear-mask correctly

The function is not actually cleaing the bitmask.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/tps65910.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index 6f5b8cf2f652..c1da84bc1573 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -120,7 +120,7 @@ int tps65910_clear_bits(struct tps65910 *tps65910, u8 reg, u8 mask)
 		goto out;
 	}
 
-	data &= mask;
+	data &= ~mask;
 	err = tps65910_i2c_write(tps65910, reg, 1, &data);
 	if (err)
 		dev_err(tps65910->dev, "write to reg %x failed\n", reg);
-- 
GitLab


From 286f8f3cd615177d5d0f8af8059a3fa39f51fa97 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Sun, 27 Nov 2011 07:17:41 +1100
Subject: [PATCH 1550/1594] mfd: Base interrupt for twl4030-irq must be
 one-shot

As the interrupt source is only cleared by the threaded interrupt
service routine, we need to make the base interrupt IRQF_ONESHOT.
Without this, the first interrupt from the TWL4030 cause the CPU to
enter an infinite loop trying to handle to interrupt but never
clearing it.

Signed-off-by: NeilBrown <neilb@suse.de>
Tested-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/twl4030-irq.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index f062c8cc6c38..3d3d6ed48f8d 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -733,8 +733,9 @@ int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
 	}
 
 	/* install an irq handler to demultiplex the TWL4030 interrupt */
-	status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih, 0,
-					"TWL4030-PIH", NULL);
+	status = request_threaded_irq(irq_num, NULL, handle_twl4030_pih,
+				      IRQF_ONESHOT,
+				      "TWL4030-PIH", NULL);
 	if (status < 0) {
 		pr_err("twl4030: could not claim irq%d: %d\n", irq_num, status);
 		goto fail_rqirq;
-- 
GitLab


From c1e61bcf8269d3bc4390a363ad2e1bc1dc226bda Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Sun, 27 Nov 2011 07:17:41 +1100
Subject: [PATCH 1551/1594] mfd: Use request_threaded_irq for twl4030-irq
 instead of irq_set_chained_handler

irq_set_chained_handler sets 'desc->handle_irq'.
However this irq is called by handle_nested_irq from handle_twl4030_pih,
and that uses action->thread_fn.

So the handled set with irq_set_chained_handler is never called.

So change to use request_threaded_irq instead - that sets the correct field.

Tested on GTA04 Phoenux.

Signed-off-by: NeilBrown <neilb@suse.de>
Tested-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/twl4030-irq.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index 3d3d6ed48f8d..29f11e0765fe 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -432,6 +432,7 @@ struct sih_agent {
 	u32			edge_change;
 
 	struct mutex		irq_lock;
+	char			*irq_name;
 };
 
 /*----------------------------------------------------------------------*/
@@ -589,7 +590,7 @@ static inline int sih_read_isr(const struct sih *sih)
  * Generic handler for SIH interrupts ... we "know" this is called
  * in task context, with IRQs enabled.
  */
-static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
+static irqreturn_t handle_twl4030_sih(int irq, void *data)
 {
 	struct sih_agent *agent = irq_get_handler_data(irq);
 	const struct sih *sih = agent->sih;
@@ -602,7 +603,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
 		pr_err("twl4030: %s SIH, read ISR error %d\n",
 			sih->name, isr);
 		/* REVISIT:  recover; eventually mask it all, etc */
-		return;
+		return IRQ_HANDLED;
 	}
 
 	while (isr) {
@@ -616,6 +617,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
 			pr_err("twl4030: %s SIH, invalid ISR bit %d\n",
 				sih->name, irq);
 	}
+	return IRQ_HANDLED;
 }
 
 static unsigned twl4030_irq_next;
@@ -668,18 +670,19 @@ int twl4030_sih_setup(int module)
 		activate_irq(irq);
 	}
 
-	status = irq_base;
 	twl4030_irq_next += i;
 
 	/* replace generic PIH handler (handle_simple_irq) */
 	irq = sih_mod + twl4030_irq_base;
 	irq_set_handler_data(irq, agent);
-	irq_set_chained_handler(irq, handle_twl4030_sih);
+	agent->irq_name = kasprintf(GFP_KERNEL, "twl4030_%s", sih->name);
+	status = request_threaded_irq(irq, NULL, handle_twl4030_sih, 0,
+				      agent->irq_name ?: sih->name, NULL);
 
 	pr_info("twl4030: %s (irq %d) chaining IRQs %d..%d\n", sih->name,
 			irq, irq_base, twl4030_irq_next - 1);
 
-	return status;
+	return status < 0 ? status : irq_base;
 }
 
 /* FIXME need a call to reverse twl4030_sih_setup() ... */
-- 
GitLab


From fa860403e61cf5201e2f03b726aa53c30ae9a659 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Fri, 9 Dec 2011 11:27:55 +0800
Subject: [PATCH 1552/1594] mfd: Include linux/io.h to jz4740-adc

Include linux/io.h to fix below build error:

  CC      drivers/mfd/jz4740-adc.o
drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_irq_demux':
drivers/mfd/jz4740-adc.c:73: error: implicit declaration of function 'readb'
drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_set_enabled':
drivers/mfd/jz4740-adc.c:110: error: implicit declaration of function 'writeb'
drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_set_config':
drivers/mfd/jz4740-adc.c:146: error: implicit declaration of function 'readl'
drivers/mfd/jz4740-adc.c:151: error: implicit declaration of function 'writel'
drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_probe':
drivers/mfd/jz4740-adc.c:249: error: implicit declaration of function 'ioremap_nocache'
drivers/mfd/jz4740-adc.c:249: warning: assignment makes pointer from integer without a cast
drivers/mfd/jz4740-adc.c:289: warning: passing argument 3 of 'mfd_add_devices' discards qualifiers from pointer target type
include/linux/mfd/core.h:93: note: expected 'struct mfd_cell *' but argument is of type 'const struct mfd_cell *'
drivers/mfd/jz4740-adc.c:299: error: implicit declaration of function 'iounmap'
make[2]: *** [drivers/mfd/jz4740-adc.o] Error 1
make[1]: *** [drivers/mfd] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/jz4740-adc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
index 1e9ee533eacb..ef39528088f2 100644
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -16,6 +16,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
-- 
GitLab


From b246272ecc5ac68c743b15c9e41a2275f7ce70e2 Mon Sep 17 00:00:00 2001
From: David Rientjes <rientjes@google.com>
Date: Mon, 19 Dec 2011 17:11:52 -0800
Subject: [PATCH 1553/1594] cpusets: stall when updating mems_allowed for
 mempolicy or disjoint nodemask

Kernels where MAX_NUMNODES > BITS_PER_LONG may temporarily see an empty
nodemask in a tsk's mempolicy if its previous nodemask is remapped onto a
new set of allowed cpuset nodes where the two nodemasks, as a result of
the remap, are now disjoint.

c0ff7453bb5c ("cpuset,mm: fix no node to alloc memory when changing
cpuset's mems") adds get_mems_allowed() to prevent the set of allowed
nodes from changing for a thread.  This causes any update to a set of
allowed nodes to stall until put_mems_allowed() is called.

This stall is unncessary, however, if at least one node remains unchanged
in the update to the set of allowed nodes.  This was addressed by
89e8a244b97e ("cpusets: avoid looping when storing to mems_allowed if one
node remains set"), but it's still possible that an empty nodemask may be
read from a mempolicy because the old nodemask may be remapped to the new
nodemask during rebind.  To prevent this, only avoid the stall if there is
no mempolicy for the thread being changed.

This is a temporary solution until all reads from mempolicy nodemasks can
be guaranteed to not be empty without the get_mems_allowed()
synchronization.

Also moves the check for nodemask intersection inside task_lock() so that
tsk->mems_allowed cannot change.  This ensures that nothing can set this
tsk's mems_allowed out from under us and also protects tsk->mempolicy.

Reported-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Paul Menage <paul@paulmenage.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cpuset.c | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 9fe58c46a426..0b1712dba587 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -123,6 +123,19 @@ static inline struct cpuset *task_cs(struct task_struct *task)
 			    struct cpuset, css);
 }
 
+#ifdef CONFIG_NUMA
+static inline bool task_has_mempolicy(struct task_struct *task)
+{
+	return task->mempolicy;
+}
+#else
+static inline bool task_has_mempolicy(struct task_struct *task)
+{
+	return false;
+}
+#endif
+
+
 /* bits in struct cpuset flags field */
 typedef enum {
 	CS_CPU_EXCLUSIVE,
@@ -949,7 +962,7 @@ static void cpuset_migrate_mm(struct mm_struct *mm, const nodemask_t *from,
 static void cpuset_change_task_nodemask(struct task_struct *tsk,
 					nodemask_t *newmems)
 {
-	bool masks_disjoint = !nodes_intersects(*newmems, tsk->mems_allowed);
+	bool need_loop;
 
 repeat:
 	/*
@@ -962,6 +975,14 @@ repeat:
 		return;
 
 	task_lock(tsk);
+	/*
+	 * Determine if a loop is necessary if another thread is doing
+	 * get_mems_allowed().  If at least one node remains unchanged and
+	 * tsk does not have a mempolicy, then an empty nodemask will not be
+	 * possible when mems_allowed is larger than a word.
+	 */
+	need_loop = task_has_mempolicy(tsk) ||
+			!nodes_intersects(*newmems, tsk->mems_allowed);
 	nodes_or(tsk->mems_allowed, tsk->mems_allowed, *newmems);
 	mpol_rebind_task(tsk, newmems, MPOL_REBIND_STEP1);
 
@@ -981,11 +1002,9 @@ repeat:
 
 	/*
 	 * Allocation of memory is very fast, we needn't sleep when waiting
-	 * for the read-side.  No wait is necessary, however, if at least one
-	 * node remains unchanged.
+	 * for the read-side.
 	 */
-	while (masks_disjoint &&
-			ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
+	while (need_loop && ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
 		task_unlock(tsk);
 		if (!task_curr(tsk))
 			yield();
-- 
GitLab


From 695c60f21c69e525a89279a5f35bae4ff237afbc Mon Sep 17 00:00:00 2001
From: Thomas Meyer <thomas@m3y3r.de>
Date: Mon, 19 Dec 2011 17:11:55 -0800
Subject: [PATCH 1554/1594] nilfs2: unbreak compat ioctl

commit 828b1c50ae ("nilfs2: add compat ioctl") incidentally broke all
other NILFS compat ioctls.  Make them work again.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Tested-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: <stable@vger.kernel.org> [3.0+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/nilfs2/ioctl.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 41d6743d303c..3e654273cfc2 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -842,6 +842,19 @@ long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	case FS_IOC32_GETVERSION:
 		cmd = FS_IOC_GETVERSION;
 		break;
+	case NILFS_IOCTL_CHANGE_CPMODE:
+	case NILFS_IOCTL_DELETE_CHECKPOINT:
+	case NILFS_IOCTL_GET_CPINFO:
+	case NILFS_IOCTL_GET_CPSTAT:
+	case NILFS_IOCTL_GET_SUINFO:
+	case NILFS_IOCTL_GET_SUSTAT:
+	case NILFS_IOCTL_GET_VINFO:
+	case NILFS_IOCTL_GET_BDESCS:
+	case NILFS_IOCTL_CLEAN_SEGMENTS:
+	case NILFS_IOCTL_SYNC:
+	case NILFS_IOCTL_RESIZE:
+	case NILFS_IOCTL_SET_ALLOC_RANGE:
+		break;
 	default:
 		return -ENOIOCTLCMD;
 	}
-- 
GitLab


From 481fe17e973fb97aa3edf17c69557afe88d8334f Mon Sep 17 00:00:00 2001
From: Haogang Chen <haogangchen@gmail.com>
Date: Mon, 19 Dec 2011 17:11:56 -0800
Subject: [PATCH 1555/1594] nilfs2: potential integer overflow in
 nilfs_ioctl_clean_segments()

There is a potential integer overflow in nilfs_ioctl_clean_segments().
When a large argv[n].v_nmembs is passed from the userspace, the subsequent
call to vmalloc() will allocate a buffer smaller than expected, which
leads to out-of-bound access in nilfs_ioctl_move_blocks() and
lfs_clean_segments().

The following check does not prevent the overflow because nsegs is also
controlled by the userspace and could be very large.

		if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)
			goto out_free;

This patch clamps argv[n].v_nmembs to UINT_MAX / argv[n].v_size, and
returns -EINVAL when overflow.

Signed-off-by: Haogang Chen <haogangchen@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/nilfs2/ioctl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 3e654273cfc2..ac258beeda3c 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -625,6 +625,9 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
 		if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment)
 			goto out_free;
 
+		if (argv[n].v_nmembs >= UINT_MAX / argv[n].v_size)
+			goto out_free;
+
 		len = argv[n].v_size * argv[n].v_nmembs;
 		base = (void __user *)(unsigned long)argv[n].v_base;
 		if (len == 0) {
-- 
GitLab


From a41c58a6665cc995e237303b05db42100b71b65e Mon Sep 17 00:00:00 2001
From: Hillf Danton <dhillf@gmail.com>
Date: Mon, 19 Dec 2011 17:11:57 -0800
Subject: [PATCH 1556/1594] memcg: keep root group unchanged if creation fails

If the request is to create non-root group and we fail to meet it, we
should leave the root unchanged.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6aff93c98aca..b63f5f7dfa07 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4907,9 +4907,9 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 		int cpu;
 		enable_swap_cgroup();
 		parent = NULL;
-		root_mem_cgroup = memcg;
 		if (mem_cgroup_soft_limit_tree_init())
 			goto free_out;
+		root_mem_cgroup = memcg;
 		for_each_possible_cpu(cpu) {
 			struct memcg_stock_pcp *stock =
 						&per_cpu(memcg_stock, cpu);
@@ -4948,7 +4948,6 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 	return &memcg->css;
 free_out:
 	__mem_cgroup_free(memcg);
-	root_mem_cgroup = NULL;
 	return ERR_PTR(error);
 }
 
-- 
GitLab


From ff05b6f7ae762b6eb464183eec994b28ea09f6dd Mon Sep 17 00:00:00 2001
From: Frantisek Hrbata <fhrbata@redhat.com>
Date: Mon, 19 Dec 2011 17:11:59 -0800
Subject: [PATCH 1557/1594] oom: fix integer overflow of points in oom_badness

An integer overflow will happen on 64bit archs if task's sum of rss,
swapents and nr_ptes exceeds (2^31)/1000 value.  This was introduced by
commit

f755a04 oom: use pte pages in OOM score

where the oom score computation was divided into several steps and it's no
longer computed as one expression in unsigned long(rss, swapents, nr_pte
are unsigned long), where the result value assigned to points(int) is in
range(1..1000).  So there could be an int overflow while computing

176          points *= 1000;

and points may have negative value. Meaning the oom score for a mem hog task
will be one.

196          if (points <= 0)
197                  return 1;

For example:
[ 3366]     0  3366 35390480 24303939   5       0             0 oom01
Out of memory: Kill process 3366 (oom01) score 1 or sacrifice child

Here the oom1 process consumes more than 24303939(rss)*4096~=92GB physical
memory, but it's oom score is one.

In this situation the mem hog task is skipped and oom killer kills another and
most probably innocent task with oom score greater than one.

The points variable should be of type long instead of int to prevent the
int overflow.

Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: <stable@vger.kernel.org>		[2.6.36+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/oom_kill.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 76f2c5ae908e..069b64e521fc 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -176,7 +176,7 @@ static bool oom_unkillable_task(struct task_struct *p,
 unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
 		      const nodemask_t *nodemask, unsigned long totalpages)
 {
-	int points;
+	long points;
 
 	if (oom_unkillable_task(p, mem, nodemask))
 		return 0;
-- 
GitLab


From b75d91f7ca513f0a4d0d1ad0942fb90cf5a2bc88 Mon Sep 17 00:00:00 2001
From: Corey Minyard <cminyard@mvista.com>
Date: Mon, 19 Dec 2011 17:12:02 -0800
Subject: [PATCH 1558/1594] ipmi_watchdog: restore settings when BMC reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

If the BMC gets reset, it will return 0x80 response errors.

In less than a week
# grep "Error 80 on cmd 22" /var/log/kernel |wc -l
378681

In this case, it is probably a good idea to restore the IPMI settings.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Arkadiusz Miśkiewicz <a.miskiewicz@gmail.com>
Reported-by: Arkadiusz Miśkiewicz <a.miskiewicz@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/ipmi/ipmi_watchdog.c | 41 ++++++++++++++++++++++++++++---
 1 file changed, 38 insertions(+), 3 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index c2917ffad2c2..34767a6d7f42 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -139,6 +139,8 @@
 #define IPMI_WDOG_SET_TIMER		0x24
 #define IPMI_WDOG_GET_TIMER		0x25
 
+#define IPMI_WDOG_TIMER_NOT_INIT_RESP	0x80
+
 /* These are here until the real ones get into the watchdog.h interface. */
 #ifndef WDIOC_GETTIMEOUT
 #define	WDIOC_GETTIMEOUT        _IOW(WATCHDOG_IOCTL_BASE, 20, int)
@@ -596,6 +598,7 @@ static int ipmi_heartbeat(void)
 	struct kernel_ipmi_msg            msg;
 	int                               rv;
 	struct ipmi_system_interface_addr addr;
+	int				  timeout_retries = 0;
 
 	if (ipmi_ignore_heartbeat)
 		return 0;
@@ -616,6 +619,7 @@ static int ipmi_heartbeat(void)
 
 	mutex_lock(&heartbeat_lock);
 
+restart:
 	atomic_set(&heartbeat_tofree, 2);
 
 	/*
@@ -653,7 +657,33 @@ static int ipmi_heartbeat(void)
 	/* Wait for the heartbeat to be sent. */
 	wait_for_completion(&heartbeat_wait);
 
-	if (heartbeat_recv_msg.msg.data[0] != 0) {
+	if (heartbeat_recv_msg.msg.data[0] == IPMI_WDOG_TIMER_NOT_INIT_RESP)  {
+		timeout_retries++;
+		if (timeout_retries > 3) {
+			printk(KERN_ERR PFX ": Unable to restore the IPMI"
+			       " watchdog's settings, giving up.\n");
+			rv = -EIO;
+			goto out_unlock;
+		}
+
+		/*
+		 * The timer was not initialized, that means the BMC was
+		 * probably reset and lost the watchdog information.  Attempt
+		 * to restore the timer's info.  Note that we still hold
+		 * the heartbeat lock, to keep a heartbeat from happening
+		 * in this process, so must say no heartbeat to avoid a
+		 * deadlock on this mutex.
+		 */
+		rv = ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB);
+		if (rv) {
+			printk(KERN_ERR PFX ": Unable to send the command to"
+			       " set the watchdog's settings, giving up.\n");
+			goto out_unlock;
+		}
+
+		/* We might need a new heartbeat, so do it now */
+		goto restart;
+	} else if (heartbeat_recv_msg.msg.data[0] != 0) {
 		/*
 		 * Got an error in the heartbeat response.  It was already
 		 * reported in ipmi_wdog_msg_handler, but we should return
@@ -662,6 +692,7 @@ static int ipmi_heartbeat(void)
 		rv = -EINVAL;
 	}
 
+out_unlock:
 	mutex_unlock(&heartbeat_lock);
 
 	return rv;
@@ -922,11 +953,15 @@ static struct miscdevice ipmi_wdog_miscdev = {
 static void ipmi_wdog_msg_handler(struct ipmi_recv_msg *msg,
 				  void                 *handler_data)
 {
-	if (msg->msg.data[0] != 0) {
+	if (msg->msg.cmd == IPMI_WDOG_RESET_TIMER &&
+			msg->msg.data[0] == IPMI_WDOG_TIMER_NOT_INIT_RESP)
+		printk(KERN_INFO PFX "response: The IPMI controller appears"
+		       " to have been reset, will attempt to reinitialize"
+		       " the watchdog timer\n");
+	else if (msg->msg.data[0] != 0)
 		printk(KERN_ERR PFX "response: Error %x on cmd %x\n",
 		       msg->msg.data[0],
 		       msg->msg.cmd);
-	}
 
 	ipmi_free_recv_msg(msg);
 }
-- 
GitLab


From 0006526d78e93c3684c806bf7cf3f67dfa49c3c8 Mon Sep 17 00:00:00 2001
From: Kautuk Consul <consul.kautuk@gmail.com>
Date: Mon, 19 Dec 2011 17:12:04 -0800
Subject: [PATCH 1559/1594] mm/vmalloc.c: remove static declaration of va from
 __get_vm_area_node

Static storage is not required for the struct vmap_area in
__get_vm_area_node.

Removing "static" to store this variable on the stack instead.

Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 1d8b32f07139..27be2f0d4cb7 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1290,7 +1290,7 @@ static struct vm_struct *__get_vm_area_node(unsigned long size,
 		unsigned long align, unsigned long flags, unsigned long start,
 		unsigned long end, int node, gfp_t gfp_mask, void *caller)
 {
-	static struct vmap_area *va;
+	struct vmap_area *va;
 	struct vm_struct *area;
 
 	BUG_ON(in_interrupt());
-- 
GitLab


From 3d3c8f93a237b64580c5c5e138edeb1377e98230 Mon Sep 17 00:00:00 2001
From: Michel Lespinasse <walken@google.com>
Date: Mon, 19 Dec 2011 17:12:06 -0800
Subject: [PATCH 1560/1594] binary_sysctl(): fix memory leak

binary_sysctl() calls sysctl_getname() which allocates from names_cache
slab usin __getname()

The matching function to free the name is __putname(), and not putname()
which should be used only to match getname() allocations.

This is because when auditing is enabled, putname() calls audit_putname
*instead* (not in addition) to __putname().  Then, if a syscall is in
progress, audit_putname does not release the name - instead, it expects
the name to get released when the syscall completes, but that will happen
only if audit_getname() was called previously, i.e.  if the name was
allocated with getname() rather than the naked __getname().  So,
__getname() followed by putname() ends up leaking memory.

Signed-off-by: Michel Lespinasse <walken@google.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Eric Paris <eparis@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/sysctl_binary.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 6318b511afa1..a650694883a1 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1354,7 +1354,7 @@ static ssize_t binary_sysctl(const int *name, int nlen,
 
 	fput(file);
 out_putname:
-	putname(pathname);
+	__putname(pathname);
 out:
 	return result;
 }
-- 
GitLab


From a76c0adf60f6ca5ff3481992e4ea0383776b24d2 Mon Sep 17 00:00:00 2001
From: Thomas Graf <tgraf@redhat.com>
Date: Mon, 19 Dec 2011 04:11:40 +0000
Subject: [PATCH 1561/1594] sctp: Do not account for sizeof(struct sk_buff) in
 estimated rwnd

When checking whether a DATA chunk fits into the estimated rwnd a
full sizeof(struct sk_buff) is added to the needed chunk size. This
quickly exhausts the available rwnd space and leads to packets being
sent which are much below the PMTU limit. This can lead to much worse
performance.

The reason for this behaviour was to avoid putting too much memory
pressure on the receiver. The concept is not completely irational
because a Linux receiver does in fact clone an skb for each DATA chunk
delivered. However, Linux also reserves half the available socket
buffer space for data structures therefore usage of it is already
accounted for.

When proposing to change this the last time it was noted that this
behaviour was introduced to solve a performance issue caused by rwnd
overusage in combination with small DATA chunks.

Trying to reproduce this I found that with the sk_buff overhead removed,
the performance would improve significantly unless socket buffer limits
are increased.

The following numbers have been gathered using a patched iperf
supporting SCTP over a live 1 Gbit ethernet network. The -l option
was used to limit DATA chunk sizes. The numbers listed are based on
the average of 3 test runs each. Default values have been used for
sk_(r|w)mem.

Chunk
Size    Unpatched     No Overhead
-------------------------------------
   4    15.2 Kbit [!]   12.2 Mbit [!]
   8    35.8 Kbit [!]   26.0 Mbit [!]
  16    95.5 Kbit [!]   54.4 Mbit [!]
  32   106.7 Mbit      102.3 Mbit
  64   189.2 Mbit      188.3 Mbit
 128   331.2 Mbit      334.8 Mbit
 256   537.7 Mbit      536.0 Mbit
 512   766.9 Mbit      766.6 Mbit
1024   810.1 Mbit      808.6 Mbit

Signed-off-by: Thomas Graf <tgraf@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sctp/output.c   | 8 +-------
 net/sctp/outqueue.c | 6 ++----
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/net/sctp/output.c b/net/sctp/output.c
index 08b3cead6503..817174eb5f41 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -697,13 +697,7 @@ static void sctp_packet_append_data(struct sctp_packet *packet,
 	/* Keep track of how many bytes are in flight to the receiver. */
 	asoc->outqueue.outstanding_bytes += datasize;
 
-	/* Update our view of the receiver's rwnd. Include sk_buff overhead
-	 * while updating peer.rwnd so that it reduces the chances of a
-	 * receiver running out of receive buffer space even when receive
-	 * window is still open. This can happen when a sender is sending
-	 * sending small messages.
-	 */
-	datasize += sizeof(struct sk_buff);
+	/* Update our view of the receiver's rwnd. */
 	if (datasize < rwnd)
 		rwnd -= datasize;
 	else
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 14c2b06028ff..cfeb1d4a1ee6 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -411,8 +411,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
 					chunk->transport->flight_size -=
 							sctp_data_size(chunk);
 				q->outstanding_bytes -= sctp_data_size(chunk);
-				q->asoc->peer.rwnd += (sctp_data_size(chunk) +
-							sizeof(struct sk_buff));
+				q->asoc->peer.rwnd += sctp_data_size(chunk);
 			}
 			continue;
 		}
@@ -432,8 +431,7 @@ void sctp_retransmit_mark(struct sctp_outq *q,
 			 * (Section 7.2.4)), add the data size of those
 			 * chunks to the rwnd.
 			 */
-			q->asoc->peer.rwnd += (sctp_data_size(chunk) +
-						sizeof(struct sk_buff));
+			q->asoc->peer.rwnd += sctp_data_size(chunk);
 			q->outstanding_bytes -= sctp_data_size(chunk);
 			if (chunk->transport)
 				transport->flight_size -= sctp_data_size(chunk);
-- 
GitLab


From cd7816d14953c8af910af5bb92f488b0b277e29d Mon Sep 17 00:00:00 2001
From: Gerlando Falauto <gerlando.falauto@keymile.com>
Date: Mon, 19 Dec 2011 22:58:04 +0000
Subject: [PATCH 1562/1594] net: have ipconfig not wait if no dev is available

previous commit 3fb72f1e6e6165c5f495e8dc11c5bbd14c73385c
makes IP-Config wait for carrier on at least one network device.

Before waiting (predefined value 120s), check that at least one device
was successfully brought up. Otherwise (e.g. buggy bootloader
which does not set the MAC address) there is no point in waiting
for carrier.

Cc: Micha Nelissen <micha@neli.hopto.org>
Cc: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Gerlando Falauto <gerlando.falauto@keymile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ipconfig.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 0da2afc97f32..99ec116bef14 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -253,6 +253,10 @@ static int __init ic_open_devs(void)
 		}
 	}
 
+	/* no point in waiting if we could not bring up at least one device */
+	if (!ic_first_dev)
+		goto have_carrier;
+
 	/* wait for a carrier on at least one device */
 	start = jiffies;
 	while (jiffies - start < msecs_to_jiffies(CONF_CARRIER_TIMEOUT)) {
-- 
GitLab


From 50345f1ea9cda4618d9c26e590a97ecd4bc7ac75 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Tue, 13 Dec 2011 14:49:04 +0000
Subject: [PATCH 1563/1594] SELinux: Fix RCU deref check warning in
 sel_netport_insert()

Fix the following bug in sel_netport_insert() where rcu_dereference() should
be rcu_dereference_protected() as sel_netport_lock is held.

===================================================
[ INFO: suspicious rcu_dereference_check() usage. ]
---------------------------------------------------
security/selinux/netport.c:127 invoked rcu_dereference_check() without protection!

other info that might help us debug this:

rcu_scheduler_active = 1, debug_locks = 0
1 lock held by ossec-rootcheck/3323:
 #0:  (sel_netport_lock){+.....}, at: [<ffffffff8117d775>] sel_netport_sid+0xbb/0x226

stack backtrace:
Pid: 3323, comm: ossec-rootcheck Not tainted 3.1.0-rc8-fsdevel+ #1095
Call Trace:
 [<ffffffff8105cfb7>] lockdep_rcu_dereference+0xa7/0xb0
 [<ffffffff8117d871>] sel_netport_sid+0x1b7/0x226
 [<ffffffff8117d6ba>] ? sel_netport_avc_callback+0xbc/0xbc
 [<ffffffff8117556c>] selinux_socket_bind+0x115/0x230
 [<ffffffff810a5388>] ? might_fault+0x4e/0x9e
 [<ffffffff810a53d1>] ? might_fault+0x97/0x9e
 [<ffffffff81171cf4>] security_socket_bind+0x11/0x13
 [<ffffffff812ba967>] sys_bind+0x56/0x95
 [<ffffffff81380dac>] ? sysret_check+0x27/0x62
 [<ffffffff8105b767>] ? trace_hardirqs_on_caller+0x11e/0x155
 [<ffffffff81076fcd>] ? audit_syscall_entry+0x17b/0x1ae
 [<ffffffff811b5eae>] ? trace_hardirqs_on_thunk+0x3a/0x3f
 [<ffffffff81380d7b>] system_call_fastpath+0x16/0x1b

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: stable@kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
---
 security/selinux/netport.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/security/selinux/netport.c b/security/selinux/netport.c
index 0b62bd112461..7b9eb1faf68b 100644
--- a/security/selinux/netport.c
+++ b/security/selinux/netport.c
@@ -123,7 +123,9 @@ static void sel_netport_insert(struct sel_netport *port)
 	if (sel_netport_hash[idx].size == SEL_NETPORT_HASH_BKT_LIMIT) {
 		struct sel_netport *tail;
 		tail = list_entry(
-			rcu_dereference(sel_netport_hash[idx].list.prev),
+			rcu_dereference_protected(
+				sel_netport_hash[idx].list.prev,
+				lockdep_is_held(&sel_netport_lock)),
 			struct sel_netport, list);
 		list_del_rcu(&tail->list);
 		kfree_rcu(tail, rcu);
-- 
GitLab


From 7b21a202b87b7f18587bd15ee6bdb477fed0fb43 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 21 Dec 2011 03:54:24 +0000
Subject: [PATCH 1564/1594] firmware: Refer to the co-maintained
 linux-firmware.git repository

David and I are sharing maintenance of this repository.  Patches
should be sent to both of us.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 firmware/README.AddingFirmware | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/firmware/README.AddingFirmware b/firmware/README.AddingFirmware
index e24cd8986d8b..ea78c3a17eec 100644
--- a/firmware/README.AddingFirmware
+++ b/firmware/README.AddingFirmware
@@ -12,7 +12,7 @@ here.
 This directory is _NOT_ for adding arbitrary new firmware images. The
 place to add those is the separate linux-firmware repository:
 
-    git://git.kernel.org/pub/scm/linux/kernel/git/dwmw2/linux-firmware.git
+    git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
 
 That repository contains all these firmware images which have been
 extracted from older drivers, as well various new firmware images which
@@ -22,6 +22,7 @@ been permitted to redistribute under separate cover.
 To submit firmware to that repository, please send either a git binary
 diff or preferably a git pull request to:
       David Woodhouse <dwmw2@infradead.org>
+      Ben Hutchings <ben@decadent.org.uk>
 
 Your commit should include an update to the WHENCE file clearly
 identifying the licence under which the firmware is available, and
-- 
GitLab


From 9f28a2fc0bd77511f649c0a788c7bf9a5fd04edb Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 21 Dec 2011 15:47:16 -0500
Subject: [PATCH 1565/1594] ipv4: reintroduce route cache garbage collector

Commit 2c8cec5c10b (ipv4: Cache learned PMTU information in inetpeer)
removed IP route cache garbage collector a bit too soon, as this gc was
responsible for expired routes cleanup, releasing their neighbour
reference.

As pointed out by Robert Gladewitz, recent kernels can fill and exhaust
their neighbour cache.

Reintroduce the garbage collection, since we'll have to wait our
neighbour lookups become refcount-less to not depend on this stuff.

Reported-by: Robert Gladewitz <gladewitz@gmx.de>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 46af62363b8c..252c512e8a81 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -120,6 +120,7 @@
 
 static int ip_rt_max_size;
 static int ip_rt_gc_timeout __read_mostly	= RT_GC_TIMEOUT;
+static int ip_rt_gc_interval __read_mostly  = 60 * HZ;
 static int ip_rt_gc_min_interval __read_mostly	= HZ / 2;
 static int ip_rt_redirect_number __read_mostly	= 9;
 static int ip_rt_redirect_load __read_mostly	= HZ / 50;
@@ -133,6 +134,9 @@ static int ip_rt_min_advmss __read_mostly	= 256;
 static int rt_chain_length_max __read_mostly	= 20;
 static int redirect_genid;
 
+static struct delayed_work expires_work;
+static unsigned long expires_ljiffies;
+
 /*
  *	Interface to generic destination cache.
  */
@@ -830,6 +834,97 @@ static int has_noalias(const struct rtable *head, const struct rtable *rth)
 	return ONE;
 }
 
+static void rt_check_expire(void)
+{
+	static unsigned int rover;
+	unsigned int i = rover, goal;
+	struct rtable *rth;
+	struct rtable __rcu **rthp;
+	unsigned long samples = 0;
+	unsigned long sum = 0, sum2 = 0;
+	unsigned long delta;
+	u64 mult;
+
+	delta = jiffies - expires_ljiffies;
+	expires_ljiffies = jiffies;
+	mult = ((u64)delta) << rt_hash_log;
+	if (ip_rt_gc_timeout > 1)
+		do_div(mult, ip_rt_gc_timeout);
+	goal = (unsigned int)mult;
+	if (goal > rt_hash_mask)
+		goal = rt_hash_mask + 1;
+	for (; goal > 0; goal--) {
+		unsigned long tmo = ip_rt_gc_timeout;
+		unsigned long length;
+
+		i = (i + 1) & rt_hash_mask;
+		rthp = &rt_hash_table[i].chain;
+
+		if (need_resched())
+			cond_resched();
+
+		samples++;
+
+		if (rcu_dereference_raw(*rthp) == NULL)
+			continue;
+		length = 0;
+		spin_lock_bh(rt_hash_lock_addr(i));
+		while ((rth = rcu_dereference_protected(*rthp,
+					lockdep_is_held(rt_hash_lock_addr(i)))) != NULL) {
+			prefetch(rth->dst.rt_next);
+			if (rt_is_expired(rth)) {
+				*rthp = rth->dst.rt_next;
+				rt_free(rth);
+				continue;
+			}
+			if (rth->dst.expires) {
+				/* Entry is expired even if it is in use */
+				if (time_before_eq(jiffies, rth->dst.expires)) {
+nofree:
+					tmo >>= 1;
+					rthp = &rth->dst.rt_next;
+					/*
+					 * We only count entries on
+					 * a chain with equal hash inputs once
+					 * so that entries for different QOS
+					 * levels, and other non-hash input
+					 * attributes don't unfairly skew
+					 * the length computation
+					 */
+					length += has_noalias(rt_hash_table[i].chain, rth);
+					continue;
+				}
+			} else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
+				goto nofree;
+
+			/* Cleanup aged off entries. */
+			*rthp = rth->dst.rt_next;
+			rt_free(rth);
+		}
+		spin_unlock_bh(rt_hash_lock_addr(i));
+		sum += length;
+		sum2 += length*length;
+	}
+	if (samples) {
+		unsigned long avg = sum / samples;
+		unsigned long sd = int_sqrt(sum2 / samples - avg*avg);
+		rt_chain_length_max = max_t(unsigned long,
+					ip_rt_gc_elasticity,
+					(avg + 4*sd) >> FRACT_BITS);
+	}
+	rover = i;
+}
+
+/*
+ * rt_worker_func() is run in process context.
+ * we call rt_check_expire() to scan part of the hash table
+ */
+static void rt_worker_func(struct work_struct *work)
+{
+	rt_check_expire();
+	schedule_delayed_work(&expires_work, ip_rt_gc_interval);
+}
+
 /*
  * Perturbation of rt_genid by a small quantity [1..256]
  * Using 8 bits of shuffling ensure we can call rt_cache_invalidate()
@@ -3178,6 +3273,13 @@ static ctl_table ipv4_route_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_jiffies,
 	},
+	{
+		.procname	= "gc_interval",
+		.data		= &ip_rt_gc_interval,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec_jiffies,
+	},
 	{
 		.procname	= "redirect_load",
 		.data		= &ip_rt_redirect_load,
@@ -3388,6 +3490,11 @@ int __init ip_rt_init(void)
 	devinet_init();
 	ip_fib_init();
 
+	INIT_DELAYED_WORK_DEFERRABLE(&expires_work, rt_worker_func);
+	expires_ljiffies = jiffies;
+	schedule_delayed_work(&expires_work,
+		net_random() % ip_rt_gc_interval + ip_rt_gc_interval);
+
 	if (ip_rt_proc_init())
 		printk(KERN_ERR "Unable to create route proc files\n");
 #ifdef CONFIG_XFRM
-- 
GitLab


From c0ed1c14a72ca9ebacd51fb94a8aca488b0d361e Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 21 Dec 2011 16:48:08 -0500
Subject: [PATCH 1566/1594] net: Add a flow_cache_flush_deferred function
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

flow_cach_flush() might sleep but can be called from
atomic context via the xfrm garbage collector. So add
a flow_cache_flush_deferred() function and use this if
the xfrm garbage colector is invoked from within the
packet path.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/flow.h     |  1 +
 net/core/flow.c        | 12 ++++++++++++
 net/xfrm/xfrm_policy.c | 18 ++++++++++++++----
 3 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/include/net/flow.h b/include/net/flow.h
index a09447749e2d..57f15a7f1cdd 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -207,6 +207,7 @@ extern struct flow_cache_object *flow_cache_lookup(
 		u8 dir, flow_resolve_t resolver, void *ctx);
 
 extern void flow_cache_flush(void);
+extern void flow_cache_flush_deferred(void);
 extern atomic_t flow_cache_genid;
 
 #endif
diff --git a/net/core/flow.c b/net/core/flow.c
index 8ae42de9c79e..e318c7e98042 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -358,6 +358,18 @@ void flow_cache_flush(void)
 	put_online_cpus();
 }
 
+static void flow_cache_flush_task(struct work_struct *work)
+{
+	flow_cache_flush();
+}
+
+static DECLARE_WORK(flow_cache_flush_work, flow_cache_flush_task);
+
+void flow_cache_flush_deferred(void)
+{
+	schedule_work(&flow_cache_flush_work);
+}
+
 static int __cpuinit flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)
 {
 	struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, cpu);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 2118d6446630..9049a5caeb25 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2276,8 +2276,6 @@ static void __xfrm_garbage_collect(struct net *net)
 {
 	struct dst_entry *head, *next;
 
-	flow_cache_flush();
-
 	spin_lock_bh(&xfrm_policy_sk_bundle_lock);
 	head = xfrm_policy_sk_bundles;
 	xfrm_policy_sk_bundles = NULL;
@@ -2290,6 +2288,18 @@ static void __xfrm_garbage_collect(struct net *net)
 	}
 }
 
+static void xfrm_garbage_collect(struct net *net)
+{
+	flow_cache_flush();
+	__xfrm_garbage_collect(net);
+}
+
+static void xfrm_garbage_collect_deferred(struct net *net)
+{
+	flow_cache_flush_deferred();
+	__xfrm_garbage_collect(net);
+}
+
 static void xfrm_init_pmtu(struct dst_entry *dst)
 {
 	do {
@@ -2422,7 +2432,7 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
 		if (likely(dst_ops->neigh_lookup == NULL))
 			dst_ops->neigh_lookup = xfrm_neigh_lookup;
 		if (likely(afinfo->garbage_collect == NULL))
-			afinfo->garbage_collect = __xfrm_garbage_collect;
+			afinfo->garbage_collect = xfrm_garbage_collect_deferred;
 		xfrm_policy_afinfo[afinfo->family] = afinfo;
 	}
 	write_unlock_bh(&xfrm_policy_afinfo_lock);
@@ -2516,7 +2526,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
 
 	switch (event) {
 	case NETDEV_DOWN:
-		__xfrm_garbage_collect(dev_net(dev));
+		xfrm_garbage_collect(dev_net(dev));
 	}
 	return NOTIFY_DONE;
 }
-- 
GitLab


From abf058e10c2614c36ba217405768e8e74853fc80 Mon Sep 17 00:00:00 2001
From: David Miller <davem@davemloft.net>
Date: Wed, 21 Dec 2011 17:31:54 -0500
Subject: [PATCH 1567/1594] USB: Fix usb/isp1760 build on sparc

This commit:

commit 8f5d621543cb064d2989fc223d3c2bc61a43981e
Author: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
Date:   Mon Oct 10 18:06:54 2011 +0200

    usb/isp1760: Let OF bindings depend on general CONFIG_OF instead of PPC_OF .

    To be able to use the driver on other OF-aware architectures, too.
    And add necessary OF related #includes to fix compilation error.

    Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

enabled the build on all CONFIG_OF architectures, but it cannot do
this.

This driver depends upon CONFIG_OF_IRQ but not all CONFIG_OF platforms
support that infrastructure, in particular Sparc does not so the
build fails.

Please push a patch like the following to Linus so that this code only
gets built where it actually should.

--------------------
usb/isp1760: Add missing CONFIG_OF_IRQ dependency on OF code.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/isp1760-if.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index a7dc1e1d45f2..2ac4ac2e4ef9 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -18,7 +18,7 @@
 
 #include "isp1760-hcd.h"
 
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 #include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
@@ -31,7 +31,7 @@
 #include <linux/pci.h>
 #endif
 
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 struct isp1760 {
 	struct usb_hcd *hcd;
 	int rst_gpio;
@@ -437,7 +437,7 @@ static int __init isp1760_init(void)
 	ret = platform_driver_register(&isp1760_plat_driver);
 	if (!ret)
 		any_ret = 0;
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 	ret = platform_driver_register(&isp1760_of_driver);
 	if (!ret)
 		any_ret = 0;
@@ -457,7 +457,7 @@ module_init(isp1760_init);
 static void __exit isp1760_exit(void)
 {
 	platform_driver_unregister(&isp1760_plat_driver);
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
 	platform_driver_unregister(&isp1760_of_driver);
 #endif
 #ifdef CONFIG_PCI
-- 
GitLab


From e6f67b8c05f5e129e126f4409ddac6f25f58ffcb Mon Sep 17 00:00:00 2001
From: Dave Kleikamp <dave.kleikamp@oracle.com>
Date: Wed, 21 Dec 2011 11:05:48 -0600
Subject: [PATCH 1568/1594] vfs: __read_cache_page should use gfp argument
 rather than GFP_KERNEL

lockdep reports a deadlock in jfs because a special inode's rw semaphore
is taken recursively.  The mapping's gfp mask is GFP_NOFS, but is not
used when __read_cache_page() calls add_to_page_cache_lru().

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Acked-by: Hugh Dickins <hughd@google.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/filemap.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index c106d3b3cc64..5f0a3c91fdac 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1828,7 +1828,7 @@ repeat:
 		page = __page_cache_alloc(gfp | __GFP_COLD);
 		if (!page)
 			return ERR_PTR(-ENOMEM);
-		err = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL);
+		err = add_to_page_cache_lru(page, mapping, index, gfp);
 		if (unlikely(err)) {
 			page_cache_release(page);
 			if (err == -EEXIST)
@@ -1925,10 +1925,7 @@ static struct page *wait_on_page_read(struct page *page)
  * @gfp:	the page allocator flags to use if allocating
  *
  * This is the same as "read_mapping_page(mapping, index, NULL)", but with
- * any new page allocations done using the specified allocation flags. Note
- * that the Radix tree operations will still use GFP_KERNEL, so you can't
- * expect to do this atomically or anything like that - but you can pass in
- * other page requirements.
+ * any new page allocations done using the specified allocation flags.
  *
  * If the page does not get brought uptodate, return -EIO.
  */
-- 
GitLab


From e30e2fdfe56288576ee9e04dbb06b4bd5f282203 Mon Sep 17 00:00:00 2001
From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Date: Thu, 22 Dec 2011 02:45:29 +0530
Subject: [PATCH 1569/1594] VFS: Fix race between CPU hotplug and lglocks

Currently, the *_global_[un]lock_online() routines are not at all synchronized
with CPU hotplug. Soft-lockups detected as a consequence of this race was
reported earlier at https://lkml.org/lkml/2011/8/24/185. (Thanks to Cong Meng
for finding out that the root-cause of this issue is the race condition
between br_write_[un]lock() and CPU hotplug, which results in the lock states
getting messed up).

Fixing this race by just adding {get,put}_online_cpus() at appropriate places
in *_global_[un]lock_online() is not a good option, because, then suddenly
br_write_[un]lock() would become blocking, whereas they have been kept as
non-blocking all this time, and we would want to keep them that way.

So, overall, we want to ensure 3 things:
1. br_write_lock() and br_write_unlock() must remain as non-blocking.
2. The corresponding lock and unlock of the per-cpu spinlocks must not happen
   for different sets of CPUs.
3. Either prevent any new CPU online operation in between this lock-unlock, or
   ensure that the newly onlined CPU does not proceed with its corresponding
   per-cpu spinlock unlocked.

To achieve all this:
(a) We introduce a new spinlock that is taken by the *_global_lock_online()
    routine and released by the *_global_unlock_online() routine.
(b) We register a callback for CPU hotplug notifications, and this callback
    takes the same spinlock as above.
(c) We maintain a bitmap which is close to the cpu_online_mask, and once it is
    initialized in the lock_init() code, all future updates to it are done in
    the callback, under the above spinlock.
(d) The above bitmap is used (instead of cpu_online_mask) while locking and
    unlocking the per-cpu locks.

The callback takes the spinlock upon the CPU_UP_PREPARE event. So, if the
br_write_lock-unlock sequence is in progress, the callback keeps spinning,
thus preventing the CPU online operation till the lock-unlock sequence is
complete. This takes care of requirement (3).

The bitmap that we maintain remains unmodified throughout the lock-unlock
sequence, since all updates to it are managed by the callback, which takes
the same spinlock as the one taken by the lock code and released only by the
unlock routine. Combining this with (d) above, satisfies requirement (2).

Overall, since we use a spinlock (mentioned in (a)) to prevent CPU hotplug
operations from racing with br_write_lock-unlock, requirement (1) is also
taken care of.

By the way, it is to be noted that a CPU offline operation can actually run
in parallel with our lock-unlock sequence, because our callback doesn't react
to notifications earlier than CPU_DEAD (in order to maintain our bitmap
properly). And this means, since we use our own bitmap (which is stale, on
purpose) during the lock-unlock sequence, we could end up unlocking the
per-cpu lock of an offline CPU (because we had locked it earlier, when the
CPU was online), in order to satisfy requirement (2). But this is harmless,
though it looks a bit awkward.

Debugged-by: Cong Meng <mc@linux.vnet.ibm.com>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
---
 include/linux/lglock.h | 36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/include/linux/lglock.h b/include/linux/lglock.h
index f549056fb20b..87f402ccec55 100644
--- a/include/linux/lglock.h
+++ b/include/linux/lglock.h
@@ -22,6 +22,7 @@
 #include <linux/spinlock.h>
 #include <linux/lockdep.h>
 #include <linux/percpu.h>
+#include <linux/cpu.h>
 
 /* can make br locks by using local lock for read side, global lock for write */
 #define br_lock_init(name)	name##_lock_init()
@@ -72,9 +73,31 @@
 
 #define DEFINE_LGLOCK(name)						\
 									\
+ DEFINE_SPINLOCK(name##_cpu_lock);					\
+ cpumask_t name##_cpus __read_mostly;					\
  DEFINE_PER_CPU(arch_spinlock_t, name##_lock);				\
  DEFINE_LGLOCK_LOCKDEP(name);						\
 									\
+ static int								\
+ name##_lg_cpu_callback(struct notifier_block *nb,			\
+				unsigned long action, void *hcpu)	\
+ {									\
+	switch (action & ~CPU_TASKS_FROZEN) {				\
+	case CPU_UP_PREPARE:						\
+		spin_lock(&name##_cpu_lock);				\
+		cpu_set((unsigned long)hcpu, name##_cpus);		\
+		spin_unlock(&name##_cpu_lock);				\
+		break;							\
+	case CPU_UP_CANCELED: case CPU_DEAD:				\
+		spin_lock(&name##_cpu_lock);				\
+		cpu_clear((unsigned long)hcpu, name##_cpus);		\
+		spin_unlock(&name##_cpu_lock);				\
+	}								\
+	return NOTIFY_OK;						\
+ }									\
+ static struct notifier_block name##_lg_cpu_notifier = {		\
+	.notifier_call = name##_lg_cpu_callback,			\
+ };									\
  void name##_lock_init(void) {						\
 	int i;								\
 	LOCKDEP_INIT_MAP(&name##_lock_dep_map, #name, &name##_lock_key, 0); \
@@ -83,6 +106,11 @@
 		lock = &per_cpu(name##_lock, i);			\
 		*lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;	\
 	}								\
+	register_hotcpu_notifier(&name##_lg_cpu_notifier);		\
+	get_online_cpus();						\
+	for_each_online_cpu(i)						\
+		cpu_set(i, name##_cpus);				\
+	put_online_cpus();						\
  }									\
  EXPORT_SYMBOL(name##_lock_init);					\
 									\
@@ -124,9 +152,9 @@
 									\
  void name##_global_lock_online(void) {					\
 	int i;								\
-	preempt_disable();						\
+	spin_lock(&name##_cpu_lock);					\
 	rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_);		\
-	for_each_online_cpu(i) {					\
+	for_each_cpu(i, &name##_cpus) {					\
 		arch_spinlock_t *lock;					\
 		lock = &per_cpu(name##_lock, i);			\
 		arch_spin_lock(lock);					\
@@ -137,12 +165,12 @@
  void name##_global_unlock_online(void) {				\
 	int i;								\
 	rwlock_release(&name##_lock_dep_map, 1, _RET_IP_);		\
-	for_each_online_cpu(i) {					\
+	for_each_cpu(i, &name##_cpus) {					\
 		arch_spinlock_t *lock;					\
 		lock = &per_cpu(name##_lock, i);			\
 		arch_spin_unlock(lock);					\
 	}								\
-	preempt_enable();						\
+	spin_unlock(&name##_cpu_lock);					\
  }									\
  EXPORT_SYMBOL(name##_global_unlock_online);				\
 									\
-- 
GitLab


From b9eda06f80b0db61a73bd87c6b0eb67d8aca55ad Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 22 Dec 2011 17:03:29 +1100
Subject: [PATCH 1570/1594] ipv4: using prefetch requires including prefetch.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 net/ipv4/route.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 252c512e8a81..85cc053d9d6e 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -91,6 +91,7 @@
 #include <linux/rcupdate.h>
 #include <linux/times.h>
 #include <linux/slab.h>
+#include <linux/prefetch.h>
 #include <net/dst.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
-- 
GitLab


From 19d40dcabf1cdf84e1a76c147b7177b5a6c21943 Mon Sep 17 00:00:00 2001
From: David Miller <davem@davemloft.net>
Date: Wed, 21 Dec 2011 17:38:10 -0500
Subject: [PATCH 1571/1594] pata_of_platform: Add missing CONFIG_OF_IRQ
 dependency.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 6bdedd7cca2c..cf047c406d92 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -820,7 +820,7 @@ config PATA_PLATFORM
 
 config PATA_OF_PLATFORM
 	tristate "OpenFirmware platform device PATA support"
-	depends on PATA_PLATFORM && OF
+	depends on PATA_PLATFORM && OF && OF_IRQ
 	help
 	  This option enables support for generic directly connected ATA
 	  devices commonly found on embedded systems with OpenFirmware
-- 
GitLab


From 7cc8583372a21d98a23b703ad96cab03180b5030 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 22 Dec 2011 13:23:59 -0800
Subject: [PATCH 1572/1594] sparc64: Fix MSIQ HV call ordering in
 pci_sun4v_msiq_build_irq().

This silently was working for many years and stopped working on
Niagara-T3 machines.

We need to set the MSIQ to VALID before we can set it's state to IDLE.

On Niagara-T3, setting the state to IDLE first was causing HV_EINVAL
errors.  The hypervisor documentation says, rather ambiguously, that
the MSIQ must be "initialized" before one can set the state.

I previously understood this to mean merely that a successful setconf()
operation has been performed on the MSIQ, which we have done at this
point.  But it seems to also mean that it has been set VALID too.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/pci_sun4v.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index b272cda35a01..af5755d20fbe 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -849,10 +849,10 @@ static int pci_sun4v_msiq_build_irq(struct pci_pbm_info *pbm,
 	if (!irq)
 		return -ENOMEM;
 
-	if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
-		return -EINVAL;
 	if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
 		return -EINVAL;
+	if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
+		return -EINVAL;
 
 	return irq;
 }
-- 
GitLab


From 09cd9270ea52e0f9851528e8ed028073f96b3c34 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Fri, 23 Dec 2011 09:56:55 +1100
Subject: [PATCH 1573/1594] md/linear: fix hot-add of devices to linear arrays.

commit d70ed2e4fafdbef0800e73942482bb075c21578b
broke hot-add to a linear array.
After that commit, metadata if not written to devices until they
have been fully integrated into the array as determined by
saved_raid_disk.  That patch arranged to clear that field after
a recovery completed.

However for linear arrays, there is no recovery - the integration is
instantaneous.  So we need to explicitly clear the saved_raid_disk
field.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/linear.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index c3273efd08cb..627456542fb3 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -230,6 +230,7 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
 		return -EINVAL;
 
 	rdev->raid_disk = rdev->saved_raid_disk;
+	rdev->saved_raid_disk = -1;
 
 	newconf = linear_conf(mddev,mddev->raid_disks+1);
 
-- 
GitLab


From 30d7a4836847bdb10b32c78a4879d4aebe0f193b Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Fri, 23 Dec 2011 09:57:00 +1100
Subject: [PATCH 1574/1594] md/raid5: ensure correct assessment of drives
 during degraded reshape.

While reshaping a degraded array (as when reshaping a RAID0 by first
converting it to a degraded RAID4) we currently get confused about
which devices are in_sync.  In most cases we get it right, but in the
region that is being reshaped we need to treat non-failed devices as
in-sync when we have the data but haven't actually written it out yet.

Reported-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/raid5.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 31670f8d6b65..858fdbb7eb07 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3065,11 +3065,17 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 			}
 		} else if (test_bit(In_sync, &rdev->flags))
 			set_bit(R5_Insync, &dev->flags);
-		else {
+		else if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
 			/* in sync if before recovery_offset */
-			if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
-				set_bit(R5_Insync, &dev->flags);
-		}
+			set_bit(R5_Insync, &dev->flags);
+		else if (test_bit(R5_UPTODATE, &dev->flags) &&
+			 test_bit(R5_Expanded, &dev->flags))
+			/* If we've reshaped into here, we assume it is Insync.
+			 * We will shortly update recovery_offset to make
+			 * it official.
+			 */
+			set_bit(R5_Insync, &dev->flags);
+
 		if (rdev && test_bit(R5_WriteError, &dev->flags)) {
 			clear_bit(R5_Insync, &dev->flags);
 			if (!test_bit(Faulty, &rdev->flags)) {
-- 
GitLab


From 60fc13702a1b35118c1548e9c257fa038cecb658 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Fri, 23 Dec 2011 09:57:19 +1100
Subject: [PATCH 1575/1594] md: don't give up looking for spares on first
 failure-to-add

Before performing a recovery we try to remove any spares that
might not be working, then add any that might have become relevant.

Currently we abort on the first spare that cannot be added.
This is a false optimisation.
It is conceivable that - depending on rules in the personality - a
subsequent spare might be accepted.
Also the loop does other things like count the available spares and
reset the 'recovery_offset' value.

If we abort early these might not happen properly.

So remove the early abort.

In particular if you have an array what is undergoing recovery and
which has extra spares, then the recovery may not restart after as
reboot as the could of 'spares' might end up as zero.

Reported-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index ee981737edfc..f47f1f8ac44b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7360,8 +7360,7 @@ static int remove_and_add_spares(struct mddev *mddev)
 					spares++;
 					md_new_event(mddev);
 					set_bit(MD_CHANGE_DEVS, &mddev->flags);
-				} else
-					break;
+				}
 			}
 		}
 	}
-- 
GitLab


From 961902c0f8240175729274cd14198872f42072b7 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Fri, 23 Dec 2011 09:57:48 +1100
Subject: [PATCH 1576/1594] md/bitmap: It is OK to clear bits during recovery.

commit d0a4bb492772ce5c4bdfba3744a99ed6f6fb238f introduced a
regression which is annoying but fairly harmless.

When writing to an array that is undergoing recovery (a spare
in being integrated into the array), writing to the array will
set bits in the bitmap, but they will not be cleared when the
write completes.

For bits covering areas that have not been recovered yet this is not a
problem as the recovery will clear the bits.  However bits set in
already-recovered region will stay set and never be cleared.
This doesn't risk data integrity.  The only negatives are:
 - next time there is a crash, more resyncing than necessary will
   be done.
 - the bitmap doesn't look clean, which is confusing.

While an array is recovering we don't want to update the
'events_cleared' setting in the bitmap but we do still want to clear
bits that have very recently been set - providing they were written to
the recovering device.

So split those two needs - which previously both depended on 'success'
and always clear the bit of the write went to all devices.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/bitmap.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index b6907118283a..6d03774b176e 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1393,9 +1393,6 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
 			 atomic_read(&bitmap->behind_writes),
 			 bitmap->mddev->bitmap_info.max_write_behind);
 	}
-	if (bitmap->mddev->degraded)
-		/* Never clear bits or update events_cleared when degraded */
-		success = 0;
 
 	while (sectors) {
 		sector_t blocks;
@@ -1409,7 +1406,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
 			return;
 		}
 
-		if (success &&
+		if (success && !bitmap->mddev->degraded &&
 		    bitmap->events_cleared < bitmap->mddev->events) {
 			bitmap->events_cleared = bitmap->mddev->events;
 			bitmap->need_sync = 1;
-- 
GitLab


From a13861a28b90541aa207532d237e7a940f1b1c7b Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 21 Dec 2011 20:00:32 +0000
Subject: [PATCH 1577/1594] bridge: provide a mtu() method for fake_dst_ops

Commit 618f9bc74a039da76 (net: Move mtu handling down to the protocol
depended handlers) forgot the bridge netfilter case, adding a NULL
dereference in ip_fragment().

Reported-by: Chris Boot <bootc@bootc.net>
CC: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_netfilter.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index d6ec3720c77e..08757dc670a4 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -114,12 +114,18 @@ static struct neighbour *fake_neigh_lookup(const struct dst_entry *dst, const vo
 	return NULL;
 }
 
+static unsigned int fake_mtu(const struct dst_entry *dst)
+{
+	return dst->dev->mtu;
+}
+
 static struct dst_ops fake_dst_ops = {
 	.family =		AF_INET,
 	.protocol =		cpu_to_be16(ETH_P_IP),
 	.update_pmtu =		fake_update_pmtu,
 	.cow_metrics =		fake_cow_metrics,
 	.neigh_lookup =		fake_neigh_lookup,
+	.mtu =			fake_mtu,
 };
 
 /*
-- 
GitLab


From 7838f2ce36b6ab5c13ef20b1857e3bbd567f1759 Mon Sep 17 00:00:00 2001
From: Thomas Graf <tgraf@redhat.com>
Date: Thu, 22 Dec 2011 02:05:07 +0000
Subject: [PATCH 1578/1594] mqprio: Avoid panic if no options are provided

Userspace may not provide TCA_OPTIONS, in fact tc currently does
so not do so if no arguments are specified on the command line.
Return EINVAL instead of panicing.

Signed-off-by: Thomas Graf <tgraf@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/sch_mqprio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index f88256cbacbf..28de43092330 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -107,7 +107,7 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
 	if (!netif_is_multiqueue(dev))
 		return -EOPNOTSUPP;
 
-	if (nla_len(opt) < sizeof(*qopt))
+	if (!opt || nla_len(opt) < sizeof(*qopt))
 		return -EINVAL;
 
 	qopt = nla_data(opt);
-- 
GitLab


From e688a604807647c9450f9c12a7cb6d027150a895 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 22 Dec 2011 04:15:53 +0000
Subject: [PATCH 1579/1594] net: introduce DST_NOPEER dst flag

Chris Boot reported crashes occurring in ipv6_select_ident().

[  461.457562] RIP: 0010:[<ffffffff812dde61>]  [<ffffffff812dde61>]
ipv6_select_ident+0x31/0xa7

[  461.578229] Call Trace:
[  461.580742] <IRQ>
[  461.582870]  [<ffffffff812efa7f>] ? udp6_ufo_fragment+0x124/0x1a2
[  461.589054]  [<ffffffff812dbfe0>] ? ipv6_gso_segment+0xc0/0x155
[  461.595140]  [<ffffffff812700c6>] ? skb_gso_segment+0x208/0x28b
[  461.601198]  [<ffffffffa03f236b>] ? ipv6_confirm+0x146/0x15e
[nf_conntrack_ipv6]
[  461.608786]  [<ffffffff81291c4d>] ? nf_iterate+0x41/0x77
[  461.614227]  [<ffffffff81271d64>] ? dev_hard_start_xmit+0x357/0x543
[  461.620659]  [<ffffffff81291cf6>] ? nf_hook_slow+0x73/0x111
[  461.626440]  [<ffffffffa0379745>] ? br_parse_ip_options+0x19a/0x19a
[bridge]
[  461.633581]  [<ffffffff812722ff>] ? dev_queue_xmit+0x3af/0x459
[  461.639577]  [<ffffffffa03747d2>] ? br_dev_queue_push_xmit+0x72/0x76
[bridge]
[  461.646887]  [<ffffffffa03791e3>] ? br_nf_post_routing+0x17d/0x18f
[bridge]
[  461.653997]  [<ffffffff81291c4d>] ? nf_iterate+0x41/0x77
[  461.659473]  [<ffffffffa0374760>] ? br_flood+0xfa/0xfa [bridge]
[  461.665485]  [<ffffffff81291cf6>] ? nf_hook_slow+0x73/0x111
[  461.671234]  [<ffffffffa0374760>] ? br_flood+0xfa/0xfa [bridge]
[  461.677299]  [<ffffffffa0379215>] ?
nf_bridge_update_protocol+0x20/0x20 [bridge]
[  461.684891]  [<ffffffffa03bb0e5>] ? nf_ct_zone+0xa/0x17 [nf_conntrack]
[  461.691520]  [<ffffffffa0374760>] ? br_flood+0xfa/0xfa [bridge]
[  461.697572]  [<ffffffffa0374812>] ? NF_HOOK.constprop.8+0x3c/0x56
[bridge]
[  461.704616]  [<ffffffffa0379031>] ?
nf_bridge_push_encap_header+0x1c/0x26 [bridge]
[  461.712329]  [<ffffffffa037929f>] ? br_nf_forward_finish+0x8a/0x95
[bridge]
[  461.719490]  [<ffffffffa037900a>] ?
nf_bridge_pull_encap_header+0x1c/0x27 [bridge]
[  461.727223]  [<ffffffffa0379974>] ? br_nf_forward_ip+0x1c0/0x1d4 [bridge]
[  461.734292]  [<ffffffff81291c4d>] ? nf_iterate+0x41/0x77
[  461.739758]  [<ffffffffa03748cc>] ? __br_deliver+0xa0/0xa0 [bridge]
[  461.746203]  [<ffffffff81291cf6>] ? nf_hook_slow+0x73/0x111
[  461.751950]  [<ffffffffa03748cc>] ? __br_deliver+0xa0/0xa0 [bridge]
[  461.758378]  [<ffffffffa037533a>] ? NF_HOOK.constprop.4+0x56/0x56
[bridge]

This is caused by bridge netfilter special dst_entry (fake_rtable), a
special shared entry, where attaching an inetpeer makes no sense.

Problem is present since commit 87c48fa3b46 (ipv6: make fragment
identifications less predictable)

Introduce DST_NOPEER dst flag and make sure ipv6_select_ident() and
__ip_select_ident() fallback to the 'no peer attached' handling.

Reported-by: Chris Boot <bootc@bootc.net>
Tested-by: Chris Boot <bootc@bootc.net>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/dst.h         | 1 +
 net/bridge/br_netfilter.c | 2 +-
 net/ipv4/route.c          | 4 ++--
 net/ipv6/ip6_output.c     | 2 +-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/net/dst.h b/include/net/dst.h
index 6faec1a60216..75766b42660e 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -53,6 +53,7 @@ struct dst_entry {
 #define DST_NOHASH		0x0008
 #define DST_NOCACHE		0x0010
 #define DST_NOCOUNT		0x0020
+#define DST_NOPEER		0x0040
 
 	short			error;
 	short			obsolete;
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 08757dc670a4..fa8b8f763580 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -147,7 +147,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
 	rt->dst.dev = br->dev;
 	rt->dst.path = &rt->dst;
 	dst_init_metrics(&rt->dst, br_dst_default_metrics, true);
-	rt->dst.flags	= DST_NOXFRM;
+	rt->dst.flags	= DST_NOXFRM | DST_NOPEER;
 	rt->dst.ops = &fake_dst_ops;
 }
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 85cc053d9d6e..94cdbc55ca7e 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1367,7 +1367,7 @@ void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more)
 {
 	struct rtable *rt = (struct rtable *) dst;
 
-	if (rt) {
+	if (rt && !(rt->dst.flags & DST_NOPEER)) {
 		if (rt->peer == NULL)
 			rt_bind_peer(rt, rt->rt_dst, 1);
 
@@ -1378,7 +1378,7 @@ void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more)
 			iph->id = htons(inet_getid(rt->peer, more));
 			return;
 		}
-	} else
+	} else if (!rt)
 		printk(KERN_DEBUG "rt_bind_peer(0) @%p\n",
 		       __builtin_return_address(0));
 
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 84d0bd5cac93..ec562713db9b 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -603,7 +603,7 @@ void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
 	static atomic_t ipv6_fragmentation_id;
 	int old, new;
 
-	if (rt) {
+	if (rt && !(rt->dst.flags & DST_NOPEER)) {
 		struct inet_peer *peer;
 
 		if (!rt->rt6i_peer)
-- 
GitLab


From a0a129f8b6cff54ab479324a54aefdab5db4f240 Mon Sep 17 00:00:00 2001
From: Xi Wang <xi.wang@gmail.com>
Date: Thu, 22 Dec 2011 13:35:22 +0000
Subject: [PATCH 1580/1594] rps: fix insufficient bounds checking in
 store_rps_dev_flow_table_cnt()

Setting a large rps_flow_cnt like (1 << 30) on 32-bit platform will
cause a kernel oops due to insufficient bounds checking.

	if (count > 1<<30) {
		/* Enforce a limit to prevent overflow */
		return -EINVAL;
	}
	count = roundup_pow_of_two(count);
	table = vmalloc(RPS_DEV_FLOW_TABLE_SIZE(count));

Note that the macro RPS_DEV_FLOW_TABLE_SIZE(count) is defined as:

	... + (count * sizeof(struct rps_dev_flow))

where sizeof(struct rps_dev_flow) is 8.  (1 << 30) * 8 will overflow
32 bits.

This patch replaces the magic number (1 << 30) with a symbolic bound.

Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/net-sysfs.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index c71c434a4c05..385aefe53648 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -665,11 +665,14 @@ static ssize_t store_rps_dev_flow_table_cnt(struct netdev_rx_queue *queue,
 	if (count) {
 		int i;
 
-		if (count > 1<<30) {
+		if (count > INT_MAX)
+			return -EINVAL;
+		count = roundup_pow_of_two(count);
+		if (count > (ULONG_MAX - sizeof(struct rps_dev_flow_table))
+				/ sizeof(struct rps_dev_flow)) {
 			/* Enforce a limit to prevent overflow */
 			return -EINVAL;
 		}
-		count = roundup_pow_of_two(count);
 		table = vmalloc(RPS_DEV_FLOW_TABLE_SIZE(count));
 		if (!table)
 			return -ENOMEM;
-- 
GitLab


From 0fd7bac6b6157eed6cf0cb86a1e88ba29e57c033 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 21 Dec 2011 07:11:44 +0000
Subject: [PATCH 1581/1594] net: relax rcvbuf limits

skb->truesize might be big even for a small packet.

Its even bigger after commit 87fb4b7b533 (net: more accurate skb
truesize) and big MTU.

We should allow queueing at least one packet per receiver, even with a
low RCVBUF setting.

Reported-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/sock.h     | 4 +++-
 net/core/sock.c        | 6 +-----
 net/packet/af_packet.c | 6 ++----
 3 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index abb6e0f0c3c3..32e39371fba6 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -637,12 +637,14 @@ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 
 /*
  * Take into account size of receive queue and backlog queue
+ * Do not take into account this skb truesize,
+ * to allow even a single big packet to come.
  */
 static inline bool sk_rcvqueues_full(const struct sock *sk, const struct sk_buff *skb)
 {
 	unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc);
 
-	return qsize + skb->truesize > sk->sk_rcvbuf;
+	return qsize > sk->sk_rcvbuf;
 }
 
 /* The per-socket spinlock must be held here. */
diff --git a/net/core/sock.c b/net/core/sock.c
index 4ed7b1d12f5e..b23f174ab84c 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -288,11 +288,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	unsigned long flags;
 	struct sk_buff_head *list = &sk->sk_receive_queue;
 
-	/* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
-	   number of warnings when compiling with -W --ANK
-	 */
-	if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
-	    (unsigned)sk->sk_rcvbuf) {
+	if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
 		atomic_inc(&sk->sk_drops);
 		trace_sock_rcvqueue_full(sk, skb);
 		return -ENOMEM;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 82a6f34d39d0..3891702b81df 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1630,8 +1630,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
 	if (snaplen > res)
 		snaplen = res;
 
-	if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
-	    (unsigned)sk->sk_rcvbuf)
+	if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf)
 		goto drop_n_acct;
 
 	if (skb_shared(skb)) {
@@ -1762,8 +1761,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
 	if (po->tp_version <= TPACKET_V2) {
 		if (macoff + snaplen > po->rx_ring.frame_size) {
 			if (po->copy_thresh &&
-				atomic_read(&sk->sk_rmem_alloc) + skb->truesize
-				< (unsigned)sk->sk_rcvbuf) {
+			    atomic_read(&sk->sk_rmem_alloc) < sk->sk_rcvbuf) {
 				if (skb_shared(skb)) {
 					copy_skb = skb_clone(skb, GFP_ATOMIC);
 				} else {
-- 
GitLab


From 8d532b2afb2eacc84588db709ec280a3d1219be3 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Fri, 23 Dec 2011 07:53:00 -0500
Subject: [PATCH 1582/1594] Btrfs: fix worker lock misuse in find_worker

Dan Carpenter noticed that we were doing a double unlock on the worker
lock, and sometimes picking a worker thread without the lock held.

This fixes both errors.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 fs/btrfs/async-thread.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index cb97174e2366..0b394580d860 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -563,8 +563,8 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
 	struct list_head *fallback;
 	int ret;
 
-again:
 	spin_lock_irqsave(&workers->lock, flags);
+again:
 	worker = next_worker(workers);
 
 	if (!worker) {
@@ -579,6 +579,7 @@ again:
 			spin_unlock_irqrestore(&workers->lock, flags);
 			/* we're below the limit, start another worker */
 			ret = __btrfs_start_workers(workers);
+			spin_lock_irqsave(&workers->lock, flags);
 			if (ret)
 				goto fallback;
 			goto again;
-- 
GitLab


From 08c422c27f855d27b0b3d9fa30ebd938d4ae6f1f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Fri, 23 Dec 2011 07:58:13 -0500
Subject: [PATCH 1583/1594] Btrfs: call d_instantiate after all ops are setup

This closes races where btrfs is calling d_instantiate too soon during
inode creation.  All of the callers of btrfs_add_nondir are updated to
instantiate after the inode is fully setup in memory.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/inode.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 740e67bbe249..13b0542015ff 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4590,10 +4590,6 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans,
 	int err = btrfs_add_link(trans, dir, inode,
 				 dentry->d_name.name, dentry->d_name.len,
 				 backref, index);
-	if (!err) {
-		d_instantiate(dentry, inode);
-		return 0;
-	}
 	if (err > 0)
 		err = -EEXIST;
 	return err;
@@ -4655,6 +4651,7 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
 	else {
 		init_special_inode(inode, inode->i_mode, rdev);
 		btrfs_update_inode(trans, root, inode);
+		d_instantiate(dentry, inode);
 	}
 out_unlock:
 	nr = trans->blocks_used;
@@ -4722,6 +4719,7 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
 		inode->i_mapping->a_ops = &btrfs_aops;
 		inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
 		BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
+		d_instantiate(dentry, inode);
 	}
 out_unlock:
 	nr = trans->blocks_used;
@@ -4779,6 +4777,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 		struct dentry *parent = dentry->d_parent;
 		err = btrfs_update_inode(trans, root, inode);
 		BUG_ON(err);
+		d_instantiate(dentry, inode);
 		btrfs_log_new_name(trans, inode, NULL, parent);
 	}
 
@@ -7245,6 +7244,8 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
 		drop_inode = 1;
 
 out_unlock:
+	if (!err)
+		d_instantiate(dentry, inode);
 	nr = trans->blocks_used;
 	btrfs_end_transaction_throttle(trans, root);
 	if (drop_inode) {
-- 
GitLab


From 0354b48f633ae435acbc01b470a1ce8cfeff3e9f Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Fri, 16 Dec 2011 18:35:15 +0100
Subject: [PATCH 1584/1594] netfilter: xt_connbytes: handle negation correctly

"! --connbytes 23:42" should match if the packet/byte count is not in range.

As there is no explict "invert match" toggle in the match structure,
userspace swaps the from and to arguments
(i.e., as if "--connbytes 42:23" were given).

However, "what <= 23 && what >= 42" will always be false.

Change things so we use "||" in case "from" is larger than "to".

This change may look like it breaks backwards compatibility when "to" is 0.
However, older iptables binaries will refuse "connbytes 42:0",
and current releases treat it to mean "! --connbytes 0:42",
so we should be fine.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/xt_connbytes.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c
index 5b138506690e..9ddf1c3bfb39 100644
--- a/net/netfilter/xt_connbytes.c
+++ b/net/netfilter/xt_connbytes.c
@@ -87,10 +87,10 @@ connbytes_mt(const struct sk_buff *skb, struct xt_action_param *par)
 		break;
 	}
 
-	if (sinfo->count.to)
+	if (sinfo->count.to >= sinfo->count.from)
 		return what <= sinfo->count.to && what >= sinfo->count.from;
-	else
-		return what >= sinfo->count.from;
+	else /* inverted */
+		return what < sinfo->count.to || what > sinfo->count.from;
 }
 
 static int connbytes_mt_check(const struct xt_mtchk_param *par)
-- 
GitLab


From b024043b6d0d3feecb1de350de9762a00a79eda1 Mon Sep 17 00:00:00 2001
From: Kukjin Kim <kgene.kim@samsung.com>
Date: Thu, 22 Dec 2011 23:27:42 +0100
Subject: [PATCH 1585/1594] ARM: 7245/1: S3C64XX: introduce
 arch/arm/mach-s3c64xx/common.[ch]

This patch introduces common.[ch] which are used only in the
arch/arm/mach-s3c64xx/ directory. The common.c file merges
the cpu.c, irq.c and irq-eint.c which are used commonly on
S3C64XX SoCs and the common.h file replaces with plat/s3c6400.h
and plat/s3c6410.h files.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-s3c64xx/Makefile                |  65 +++----
 arch/arm/mach-s3c64xx/clock.c                 |   4 +-
 .../arm/mach-s3c64xx/{irq-eint.c => common.c} | 182 +++++++++++++++++-
 arch/arm/mach-s3c64xx/common.h                |  55 ++++++
 arch/arm/mach-s3c64xx/cpu.c                   | 161 ----------------
 arch/arm/mach-s3c64xx/irq.c                   |  47 -----
 arch/arm/mach-s3c64xx/mach-anw6410.c          |   3 +-
 arch/arm/mach-s3c64xx/mach-crag6410.c         |   3 +-
 arch/arm/mach-s3c64xx/mach-hmt.c              |   3 +-
 arch/arm/mach-s3c64xx/mach-mini6410.c         |   3 +-
 arch/arm/mach-s3c64xx/mach-ncp.c              |   3 +-
 arch/arm/mach-s3c64xx/mach-real6410.c         |   3 +-
 arch/arm/mach-s3c64xx/mach-smartq.c           |   2 +
 arch/arm/mach-s3c64xx/mach-smartq5.c          |   2 +-
 arch/arm/mach-s3c64xx/mach-smartq7.c          |   2 +-
 arch/arm/mach-s3c64xx/mach-smdk6400.c         |   3 +-
 arch/arm/mach-s3c64xx/mach-smdk6410.c         |   3 +-
 arch/arm/mach-s3c64xx/s3c6400.c               |   5 +-
 arch/arm/mach-s3c64xx/s3c6410.c               |   6 +-
 arch/arm/plat-samsung/include/plat/cpu.h      |   4 -
 arch/arm/plat-samsung/include/plat/s3c6400.h  |  36 ----
 arch/arm/plat-samsung/include/plat/s3c6410.h  |  29 ---
 22 files changed, 285 insertions(+), 339 deletions(-)
 rename arch/arm/mach-s3c64xx/{irq-eint.c => common.c} (51%)
 create mode 100644 arch/arm/mach-s3c64xx/common.h
 delete mode 100644 arch/arm/mach-s3c64xx/cpu.c
 delete mode 100644 arch/arm/mach-s3c64xx/irq.c
 delete mode 100644 arch/arm/plat-samsung/include/plat/s3c6400.h
 delete mode 100644 arch/arm/plat-samsung/include/plat/s3c6410.h

diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index cfc0b9941808..f37016cebbe3 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -10,54 +10,49 @@ obj-m				:=
 obj-n				:=
 obj-				:=
 
-# Core files
-obj-y				+= cpu.o
-obj-y				+= clock.o
+# Core
 
-# Core support for S3C6400 system
+obj-y				+= common.o clock.o
+
+# Core support
 
 obj-$(CONFIG_CPU_S3C6400)	+= s3c6400.o
 obj-$(CONFIG_CPU_S3C6410)	+= s3c6410.o
 
-obj-y				+= irq.o
-obj-y				+= irq-eint.o
+# PM
+
+obj-$(CONFIG_PM)		+= pm.o irq-pm.o sleep.o
 
 # DMA support
 
 obj-$(CONFIG_S3C64XX_DMA)	+= dma.o
 
-# Device setup
+# Device support
 
-obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
-obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o
-obj-$(CONFIG_S3C64XX_SETUP_IDE) += setup-ide.o
-obj-$(CONFIG_S3C64XX_SETUP_KEYPAD) += setup-keypad.o
-obj-$(CONFIG_S3C64XX_SETUP_SDHCI) += setup-sdhci.o
-obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
-obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
+obj-y				+= dev-uart.o
+obj-y				+= dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
 
-# PM
+# Device setup
 
-obj-$(CONFIG_PM)		+= pm.o
-obj-$(CONFIG_PM)		+= sleep.o
-obj-$(CONFIG_PM)		+= irq-pm.o
+obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
+obj-$(CONFIG_S3C64XX_SETUP_I2C0)	+= setup-i2c0.o
+obj-$(CONFIG_S3C64XX_SETUP_I2C1)	+= setup-i2c1.o
+obj-$(CONFIG_S3C64XX_SETUP_IDE)		+= setup-ide.o
+obj-$(CONFIG_S3C64XX_SETUP_KEYPAD)	+= setup-keypad.o
+obj-$(CONFIG_S3C64XX_SETUP_SDHCI)	+= setup-sdhci.o
+obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
 
 # Machine support
 
-obj-$(CONFIG_MACH_ANW6410)	+= mach-anw6410.o
-obj-$(CONFIG_MACH_SMDK6400)	+= mach-smdk6400.o
-obj-$(CONFIG_MACH_SMDK6410)	+= mach-smdk6410.o
-obj-$(CONFIG_MACH_REAL6410)     += mach-real6410.o
-obj-$(CONFIG_MACH_MINI6410)     += mach-mini6410.o
-obj-$(CONFIG_MACH_NCP)		+= mach-ncp.o
-obj-$(CONFIG_MACH_HMT)		+= mach-hmt.o
-obj-$(CONFIG_MACH_SMARTQ)	+= mach-smartq.o
-obj-$(CONFIG_MACH_SMARTQ5)	+= mach-smartq5.o
-obj-$(CONFIG_MACH_SMARTQ7)	+= mach-smartq7.o
-obj-$(CONFIG_MACH_WLF_CRAGG_6410) += mach-crag6410.o mach-crag6410-module.o
-
-# device support
-
-obj-y				+= dev-uart.o
-obj-y				+= dev-audio.o
-obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
+obj-$(CONFIG_MACH_ANW6410)		+= mach-anw6410.o
+obj-$(CONFIG_MACH_HMT)			+= mach-hmt.o
+obj-$(CONFIG_MACH_MINI6410)		+= mach-mini6410.o
+obj-$(CONFIG_MACH_NCP)			+= mach-ncp.o
+obj-$(CONFIG_MACH_REAL6410)		+= mach-real6410.o
+obj-$(CONFIG_MACH_SMARTQ)		+= mach-smartq.o
+obj-$(CONFIG_MACH_SMARTQ5)		+= mach-smartq5.o
+obj-$(CONFIG_MACH_SMARTQ7)		+= mach-smartq7.o
+obj-$(CONFIG_MACH_SMDK6400)		+= mach-smdk6400.o
+obj-$(CONFIG_MACH_SMDK6410)		+= mach-smdk6410.o
+obj-$(CONFIG_MACH_WLF_CRAGG_6410)	+= mach-crag6410.o mach-crag6410-module.o
diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c
index 39c238d7a3dc..625219b9cefc 100644
--- a/arch/arm/mach-s3c64xx/clock.c
+++ b/arch/arm/mach-s3c64xx/clock.c
@@ -705,7 +705,7 @@ static struct clksrc_clk *init_parents[] = {
 
 #define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
 
-void __init_or_cpufreq s3c6400_setup_clocks(void)
+void __init_or_cpufreq s3c64xx_setup_clocks(void)
 {
 	struct clk *xtal_clk;
 	unsigned long xtal;
@@ -804,7 +804,7 @@ static struct clk *clks[] __initdata = {
  * as ARMCLK as well as the necessary parent clocks.
  *
  * This call does not setup the clocks, which is left to the
- * s3c6400_setup_clocks() call which may be needed by the cpufreq
+ * s3c64xx_setup_clocks() call which may be needed by the cpufreq
  * or resume code to re-set the clocks if the bootloader has changed
  * them.
  */
diff --git a/arch/arm/mach-s3c64xx/irq-eint.c b/arch/arm/mach-s3c64xx/common.c
similarity index 51%
rename from arch/arm/mach-s3c64xx/irq-eint.c
rename to arch/arm/mach-s3c64xx/common.c
index 4d203be1f4c3..8ae5b16cc4f5 100644
--- a/arch/arm/mach-s3c64xx/irq-eint.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -1,11 +1,13 @@
-/* arch/arm/plat-s3c64xx/irq-eint.c
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
  *
- * S3C64XX - Interrupt handling for IRQ_EINT(x)
+ * Common Codes for S3C64XX machines
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -13,21 +15,182 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
 #include <linux/interrupt.h>
+#include <linux/ioport.h>
 #include <linux/sysdev.h>
-#include <linux/gpio.h>
-#include <linux/irq.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
 
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
 #include <asm/hardware/vic.h>
 
-#include <plat/regs-irqtype.h>
+#include <mach/map.h>
+#include <mach/hardware.h>
 #include <mach/regs-gpio.h>
-#include <plat/gpio-cfg.h>
 
-#include <mach/map.h>
 #include <plat/cpu.h>
+#include <plat/clock.h>
+#include <plat/devs.h>
 #include <plat/pm.h>
+#include <plat/gpio-cfg.h>
+#include <plat/irq-uart.h>
+#include <plat/irq-vic-timer.h>
+#include <plat/regs-irqtype.h>
+#include <plat/regs-serial.h>
+
+#include "common.h"
+
+/* uart registration process */
+
+void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	s3c24xx_init_uartdevs("s3c6400-uart", s3c64xx_uart_resources, cfg, no);
+}
+
+/* table of supported CPUs */
+
+static const char name_s3c6400[] = "S3C6400";
+static const char name_s3c6410[] = "S3C6410";
+
+static struct cpu_table cpu_ids[] __initdata = {
+	{
+		.idcode		= S3C6400_CPU_ID,
+		.idmask		= S3C64XX_CPU_MASK,
+		.map_io		= s3c6400_map_io,
+		.init_clocks	= s3c6400_init_clocks,
+		.init_uarts	= s3c64xx_init_uarts,
+		.init		= s3c6400_init,
+		.name		= name_s3c6400,
+	}, {
+		.idcode		= S3C6410_CPU_ID,
+		.idmask		= S3C64XX_CPU_MASK,
+		.map_io		= s3c6410_map_io,
+		.init_clocks	= s3c6410_init_clocks,
+		.init_uarts	= s3c64xx_init_uarts,
+		.init		= s3c6410_init,
+		.name		= name_s3c6410,
+	},
+};
+
+/* minimal IO mapping */
+
+/* see notes on uart map in arch/arm/mach-s3c64xx/include/mach/debug-macro.S */
+#define UART_OFFS (S3C_PA_UART & 0xfffff)
+
+static struct map_desc s3c_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S3C_VA_SYS,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_SYSCON),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_MEM,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_SROM),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)(S3C_VA_UART + UART_OFFS),
+		.pfn		= __phys_to_pfn(S3C_PA_UART),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC0,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_VIC0),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC1,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_VIC1),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_TIMER,
+		.pfn		= __phys_to_pfn(S3C_PA_TIMER),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C64XX_VA_GPIO,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_GPIO),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C64XX_VA_MODEM,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_MODEM),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_WATCHDOG,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_WATCHDOG),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_USB_HSPHY,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_USB_HSPHY),
+		.length		= SZ_1K,
+		.type		= MT_DEVICE,
+	},
+};
+
+struct sysdev_class s3c64xx_sysclass = {
+	.name	= "s3c64xx-core",
+};
+
+static struct sys_device s3c64xx_sysdev = {
+	.cls	= &s3c64xx_sysclass,
+};
+
+/* read cpu identification code */
+
+void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
+{
+	/* initialise the io descriptors we need for initialisation */
+	iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
+	iotable_init(mach_desc, size);
+	init_consistent_dma_size(SZ_8M);
+
+	/* detect cpu id */
+	s3c64xx_init_cpu();
+
+	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
+}
+
+static __init int s3c64xx_sysdev_init(void)
+{
+	sysdev_class_register(&s3c64xx_sysclass);
+	return sysdev_register(&s3c64xx_sysdev);
+}
+core_initcall(s3c64xx_sysdev_init);
+
+/*
+ * setup the sources the vic should advertise resume
+ * for, even though it is not doing the wake
+ * (set_irq_wake needs to be valid)
+ */
+#define IRQ_VIC0_RESUME (1 << (IRQ_RTC_TIC - IRQ_VIC0_BASE))
+#define IRQ_VIC1_RESUME (1 << (IRQ_RTC_ALARM - IRQ_VIC1_BASE) |	\
+			 1 << (IRQ_PENDN - IRQ_VIC1_BASE) |	\
+			 1 << (IRQ_HSMMC0 - IRQ_VIC1_BASE) |	\
+			 1 << (IRQ_HSMMC1 - IRQ_VIC1_BASE) |	\
+			 1 << (IRQ_HSMMC2 - IRQ_VIC1_BASE))
+
+void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
+{
+	printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
+
+	/* initialise the pair of VICs */
+	vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, IRQ_VIC0_RESUME);
+	vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, IRQ_VIC1_RESUME);
+
+	/* add the timer sub-irqs */
+	s3c_init_vic_timer_irq(5, IRQ_TIMER0);
+}
 
 #define eint_offset(irq)	((irq) - IRQ_EINT(0))
 #define eint_irq_to_bit(irq)	((u32)(1 << eint_offset(irq)))
@@ -209,5 +372,4 @@ static int __init s3c64xx_init_irq_eint(void)
 
 	return 0;
 }
-
 arch_initcall(s3c64xx_init_irq_eint);
diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h
new file mode 100644
index 000000000000..9f523a273274
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/common.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * Common Header for S3C64XX machines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ARCH_ARM_MACH_S3C64XX_COMMON_H
+#define __ARCH_ARM_MACH_S3C64XX_COMMON_H
+
+void s3c64xx_init_irq(u32 vic0, u32 vic1);
+void s3c64xx_init_io(struct map_desc *mach_desc, int size);
+
+void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit);
+void s3c64xx_setup_clocks(void);
+
+extern struct syscore_ops s3c64xx_irq_syscore_ops;
+extern struct sysdev_class s3c64xx_sysclass;
+
+#ifdef CONFIG_CPU_S3C6400
+
+extern  int s3c6400_init(void);
+extern void s3c6400_init_irq(void);
+extern void s3c6400_map_io(void);
+extern void s3c6400_init_clocks(int xtal);
+
+#else
+#define s3c6400_init_clocks NULL
+#define s3c6400_map_io NULL
+#define s3c6400_init NULL
+#endif
+
+#ifdef CONFIG_CPU_S3C6410
+
+extern  int s3c6410_init(void);
+extern void s3c6410_init_irq(void);
+extern void s3c6410_map_io(void);
+extern void s3c6410_init_clocks(int xtal);
+
+#else
+#define s3c6410_init_clocks NULL
+#define s3c6410_map_io NULL
+#define s3c6410_init NULL
+#endif
+
+#endif /* __ARCH_ARM_MACH_S3C64XX_COMMON_H */
diff --git a/arch/arm/mach-s3c64xx/cpu.c b/arch/arm/mach-s3c64xx/cpu.c
deleted file mode 100644
index de085b798aa4..000000000000
--- a/arch/arm/mach-s3c64xx/cpu.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/* linux/arch/arm/plat-s3c64xx/cpu.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *	http://armlinux.simtec.co.uk/
- *
- * S3C64XX CPU Support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/sysdev.h>
-#include <linux/serial_core.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/dma-mapping.h>
-
-#include <mach/hardware.h>
-#include <mach/map.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <plat/regs-serial.h>
-
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/clock.h>
-
-#include <plat/s3c6400.h>
-#include <plat/s3c6410.h>
-
-/* table of supported CPUs */
-
-static const char name_s3c6400[] = "S3C6400";
-static const char name_s3c6410[] = "S3C6410";
-
-static struct cpu_table cpu_ids[] __initdata = {
-	{
-		.idcode		= S3C6400_CPU_ID,
-		.idmask		= S3C64XX_CPU_MASK,
-		.map_io		= s3c6400_map_io,
-		.init_clocks	= s3c6400_init_clocks,
-		.init_uarts	= s3c6400_init_uarts,
-		.init		= s3c6400_init,
-		.name		= name_s3c6400,
-	}, {
-		.idcode		= S3C6410_CPU_ID,
-		.idmask		= S3C64XX_CPU_MASK,
-		.map_io		= s3c6410_map_io,
-		.init_clocks	= s3c6410_init_clocks,
-		.init_uarts	= s3c6410_init_uarts,
-		.init		= s3c6410_init,
-		.name		= name_s3c6410,
-	},
-};
-
-/* minimal IO mapping */
-
-/* see notes on uart map in arch/arm/mach-s3c6400/include/mach/debug-macro.S */
-#define UART_OFFS (S3C_PA_UART & 0xfffff)
-
-static struct map_desc s3c_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S3C_VA_SYS,
-		.pfn		= __phys_to_pfn(S3C64XX_PA_SYSCON),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_MEM,
-		.pfn		= __phys_to_pfn(S3C64XX_PA_SROM),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)(S3C_VA_UART + UART_OFFS),
-		.pfn		= __phys_to_pfn(S3C_PA_UART),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)VA_VIC0,
-		.pfn		= __phys_to_pfn(S3C64XX_PA_VIC0),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)VA_VIC1,
-		.pfn		= __phys_to_pfn(S3C64XX_PA_VIC1),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_TIMER,
-		.pfn		= __phys_to_pfn(S3C_PA_TIMER),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C64XX_VA_GPIO,
-		.pfn		= __phys_to_pfn(S3C64XX_PA_GPIO),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C64XX_VA_MODEM,
-		.pfn		= __phys_to_pfn(S3C64XX_PA_MODEM),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_WATCHDOG,
-		.pfn		= __phys_to_pfn(S3C64XX_PA_WATCHDOG),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_USB_HSPHY,
-		.pfn		= __phys_to_pfn(S3C64XX_PA_USB_HSPHY),
-		.length		= SZ_1K,
-		.type		= MT_DEVICE,
-	},
-};
-
-
-struct sysdev_class s3c64xx_sysclass = {
-	.name	= "s3c64xx-core",
-};
-
-static struct sys_device s3c64xx_sysdev = {
-	.cls	= &s3c64xx_sysclass,
-};
-
-/* uart registration process */
-
-void __init s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	s3c24xx_init_uartdevs("s3c6400-uart", s3c64xx_uart_resources, cfg, no);
-}
-
-/* read cpu identification code */
-
-void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
-{
-	/* initialise the io descriptors we need for initialisation */
-	iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
-	iotable_init(mach_desc, size);
-	init_consistent_dma_size(SZ_8M);
-
-	/* detect cpu id */
-	s3c64xx_init_cpu();
-
-	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
-}
-
-static __init int s3c64xx_sysdev_init(void)
-{
-	sysdev_class_register(&s3c64xx_sysclass);
-	return sysdev_register(&s3c64xx_sysdev);
-}
-
-core_initcall(s3c64xx_sysdev_init);
diff --git a/arch/arm/mach-s3c64xx/irq.c b/arch/arm/mach-s3c64xx/irq.c
deleted file mode 100644
index b07357e94958..000000000000
--- a/arch/arm/mach-s3c64xx/irq.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/* arch/arm/plat-s3c64xx/irq.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C64XX - Interrupt handling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/serial_core.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <asm/hardware/vic.h>
-
-#include <mach/map.h>
-#include <plat/irq-vic-timer.h>
-#include <plat/irq-uart.h>
-#include <plat/cpu.h>
-
-/* setup the sources the vic should advertise resume for, even though it
- * is not doing the wake (set_irq_wake needs to be valid) */
-#define IRQ_VIC0_RESUME (1 << (IRQ_RTC_TIC - IRQ_VIC0_BASE))
-#define IRQ_VIC1_RESUME (1 << (IRQ_RTC_ALARM - IRQ_VIC1_BASE) |	\
-			 1 << (IRQ_PENDN - IRQ_VIC1_BASE) |	\
-			 1 << (IRQ_HSMMC0 - IRQ_VIC1_BASE) |	\
-			 1 << (IRQ_HSMMC1 - IRQ_VIC1_BASE) |	\
-			 1 << (IRQ_HSMMC2 - IRQ_VIC1_BASE))
-
-void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
-{
-	printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
-
-	/* initialise the pair of VICs */
-	vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, IRQ_VIC0_RESUME);
-	vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, IRQ_VIC1_RESUME);
-
-	/* add the timer sub-irqs */
-	s3c_init_vic_timer_irq(5, IRQ_TIMER0);
-}
diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
index 8eba88e7209e..4949bcd554b7 100644
--- a/arch/arm/mach-s3c64xx/mach-anw6410.c
+++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
@@ -45,13 +45,14 @@
 #include <plat/fb.h>
 #include <plat/regs-fb-v4.h>
 
-#include <plat/s3c6410.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <mach/regs-gpio.h>
 #include <mach/regs-modem.h>
 
+#include "common.h"
+
 /* DM9000 */
 #define ANW6410_PA_DM9000	(0x18000000)
 
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index d04b65448510..954a44e0c32a 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -50,7 +50,6 @@
 
 #include <mach/regs-gpio-memport.h>
 
-#include <plat/s3c6410.h>
 #include <plat/regs-serial.h>
 #include <plat/regs-fb-v4.h>
 #include <plat/fb.h>
@@ -66,6 +65,8 @@
 #include <plat/iic.h>
 #include <plat/pm.h>
 
+#include "common.h"
+
 /* serial port setup */
 
 #define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
index 952f75ff5deb..b6231d5b9158 100644
--- a/arch/arm/mach-s3c64xx/mach-hmt.c
+++ b/arch/arm/mach-s3c64xx/mach-hmt.c
@@ -37,12 +37,13 @@
 #include <plat/fb.h>
 #include <plat/nand.h>
 
-#include <plat/s3c6410.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/regs-fb-v4.h>
 
+#include "common.h"
+
 #define UCON S3C2410_UCON_DEFAULT
 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
index 1bc85c359498..ed02e7eebb97 100644
--- a/arch/arm/mach-s3c64xx/mach-mini6410.c
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -33,7 +33,6 @@
 #include <mach/regs-modem.h>
 #include <mach/regs-srom.h>
 
-#include <plat/s3c6410.h>
 #include <plat/adc.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
@@ -45,6 +44,8 @@
 
 #include <video/platform_lcd.h>
 
+#include "common.h"
+
 #define UCON S3C2410_UCON_DEFAULT
 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c
index cb13cba98b3d..3e2391a98570 100644
--- a/arch/arm/mach-s3c64xx/mach-ncp.c
+++ b/arch/arm/mach-s3c64xx/mach-ncp.c
@@ -39,12 +39,13 @@
 #include <plat/iic.h>
 #include <plat/fb.h>
 
-#include <plat/s3c6410.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/regs-fb-v4.h>
 
+#include "common.h"
+
 #define UCON S3C2410_UCON_DEFAULT
 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index 87281e4b8471..045614367f7f 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -34,7 +34,6 @@
 #include <mach/regs-modem.h>
 #include <mach/regs-srom.h>
 
-#include <plat/s3c6410.h>
 #include <plat/adc.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
@@ -46,6 +45,8 @@
 
 #include <video/platform_lcd.h>
 
+#include "common.h"
+
 #define UCON S3C2410_UCON_DEFAULT
 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
index cb1ebeb08763..ce31db136231 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq.c
@@ -40,6 +40,8 @@
 
 #include <video/platform_lcd.h>
 
+#include "common.h"
+
 #define UCON S3C2410_UCON_DEFAULT
 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
index 94c831d88365..2044a9f2e421 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq5.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
@@ -23,13 +23,13 @@
 #include <mach/map.h>
 #include <mach/regs-gpio.h>
 
-#include <plat/s3c6410.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/fb.h>
 #include <plat/gpio-cfg.h>
 #include <plat/regs-fb-v4.h>
 
+#include "common.h"
 #include "mach-smartq.h"
 
 static struct gpio_led smartq5_leds[] = {
diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
index f112547ce80a..eaf24a35097b 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq7.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
@@ -23,13 +23,13 @@
 #include <mach/map.h>
 #include <mach/regs-gpio.h>
 
-#include <plat/s3c6410.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/fb.h>
 #include <plat/gpio-cfg.h>
 #include <plat/regs-fb-v4.h>
 
+#include "common.h"
 #include "mach-smartq.h"
 
 static struct gpio_led smartq7_leds[] = {
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c
index 73450c2b530a..bda5e0b26c5a 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6400.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c
@@ -31,12 +31,13 @@
 
 #include <plat/regs-serial.h>
 
-#include <plat/s3c6400.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/iic.h>
 
+#include "common.h"
+
 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 8bc8edd85e5a..91087da9d7c2 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -63,7 +63,6 @@
 #include <plat/fb.h>
 #include <plat/gpio-cfg.h>
 
-#include <plat/s3c6410.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -73,6 +72,8 @@
 #include <plat/backlight.h>
 #include <plat/regs-fb-v4.h>
 
+#include "common.h"
+
 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c
index 7a3bc32df425..33366581998f 100644
--- a/arch/arm/mach-s3c64xx/s3c6400.c
+++ b/arch/arm/mach-s3c64xx/s3c6400.c
@@ -38,7 +38,8 @@
 #include <plat/sdhci.h>
 #include <plat/iic-core.h>
 #include <plat/onenand-core.h>
-#include <plat/s3c6400.h>
+
+#include "common.h"
 
 void __init s3c6400_map_io(void)
 {
@@ -60,7 +61,7 @@ void __init s3c6400_map_io(void)
 void __init s3c6400_init_clocks(int xtal)
 {
 	s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK);
-	s3c6400_setup_clocks();
+	s3c64xx_setup_clocks();
 }
 
 void __init s3c6400_init_irq(void)
diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c
index 4117003464ad..fba71bd991c7 100644
--- a/arch/arm/mach-s3c64xx/s3c6410.c
+++ b/arch/arm/mach-s3c64xx/s3c6410.c
@@ -41,8 +41,8 @@
 #include <plat/adc-core.h>
 #include <plat/iic-core.h>
 #include <plat/onenand-core.h>
-#include <plat/s3c6400.h>
-#include <plat/s3c6410.h>
+
+#include "common.h"
 
 void __init s3c6410_map_io(void)
 {
@@ -66,7 +66,7 @@ void __init s3c6410_init_clocks(int xtal)
 {
 	printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
 	s3c64xx_register_clocks(xtal, S3C6410_CLKDIV0_ARM_MASK);
-	s3c6400_setup_clocks();
+	s3c64xx_setup_clocks();
 }
 
 void __init s3c6410_init_irq(void)
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 40fd7b6b5e66..abbdadb4047b 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -152,11 +152,9 @@ extern void s3c_init_cpu(unsigned long idcode,
 /* core initialisation functions */
 
 extern void s3c24xx_init_irq(void);
-extern void s3c64xx_init_irq(u32 vic0, u32 vic1);
 extern void s5p_init_irq(u32 *vic, u32 num_vic);
 
 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
-extern void s3c64xx_init_io(struct map_desc *mach_desc, int size);
 extern void s5p_init_io(struct map_desc *mach_desc,
 			int size, void __iomem *cpuid_addr);
 
@@ -183,7 +181,6 @@ extern struct syscore_ops s3c2410_pm_syscore_ops;
 extern struct syscore_ops s3c2412_pm_syscore_ops;
 extern struct syscore_ops s3c2416_pm_syscore_ops;
 extern struct syscore_ops s3c244x_pm_syscore_ops;
-extern struct syscore_ops s3c64xx_irq_syscore_ops;
 
 /* system device classes */
 
@@ -195,7 +192,6 @@ extern struct sysdev_class s3c2440_sysclass;
 extern struct sysdev_class s3c2442_sysclass;
 extern struct sysdev_class s3c2443_sysclass;
 extern struct sysdev_class s3c6410_sysclass;
-extern struct sysdev_class s3c64xx_sysclass;
 extern struct sysdev_class s5p64x0_sysclass;
 extern struct sysdev_class s5pv210_sysclass;
 extern struct sysdev_class exynos4_sysclass;
diff --git a/arch/arm/plat-samsung/include/plat/s3c6400.h b/arch/arm/plat-samsung/include/plat/s3c6400.h
deleted file mode 100644
index 37d428aaaebb..000000000000
--- a/arch/arm/plat-samsung/include/plat/s3c6400.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/s3c6400.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *	http://armlinux.simtec.co.uk/
- *
- * Header file for s3c6400 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-/* Common init code for S3C6400 related SoCs */
-
-extern void s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-extern void s3c6400_setup_clocks(void);
-
-extern void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit);
-
-#ifdef CONFIG_CPU_S3C6400
-
-extern  int s3c6400_init(void);
-extern void s3c6400_init_irq(void);
-extern void s3c6400_map_io(void);
-extern void s3c6400_init_clocks(int xtal);
-
-#define s3c6400_init_uarts s3c6400_common_init_uarts
-
-#else
-#define s3c6400_init_clocks NULL
-#define s3c6400_init_uarts NULL
-#define s3c6400_map_io NULL
-#define s3c6400_init NULL
-#endif
diff --git a/arch/arm/plat-samsung/include/plat/s3c6410.h b/arch/arm/plat-samsung/include/plat/s3c6410.h
deleted file mode 100644
index 20a6675b9d17..000000000000
--- a/arch/arm/plat-samsung/include/plat/s3c6410.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/s3c6410.h
- *
- * Copyright 2008 Openmoko,  Inc.
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *	http://armlinux.simtec.co.uk/
- *
- * Header file for s3c6410 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifdef CONFIG_CPU_S3C6410
-
-extern  int s3c6410_init(void);
-extern void s3c6410_init_irq(void);
-extern void s3c6410_map_io(void);
-extern void s3c6410_init_clocks(int xtal);
-
-#define s3c6410_init_uarts s3c6400_common_init_uarts
-
-#else
-#define s3c6410_init_clocks NULL
-#define s3c6410_init_uarts NULL
-#define s3c6410_map_io NULL
-#define s3c6410_init NULL
-#endif
-- 
GitLab


From 95af214becab511b5ef76082688865d434dada1a Mon Sep 17 00:00:00 2001
From: Kukjin Kim <kgene.kim@samsung.com>
Date: Thu, 22 Dec 2011 23:28:28 +0100
Subject: [PATCH 1586/1594] ARM: 7246/1: S5P64X0: introduce
 arch/arm/mach-s5p64x0/common.[ch]

This patch introduces common.[ch] which are used only in the
arch/arm/mach-s5p64x0/ directory. The common.c file merges
the cpu.c, init.c and irq-eint.c files which are used commonly
on S5P64X0 SoCs and the common.h local header file replaces
with plat/s5p6440.h and plat/s5p6450.h files.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-s5p64x0/Makefile               |   9 +-
 arch/arm/mach-s5p64x0/clock-s5p6440.c        |   3 +-
 arch/arm/mach-s5p64x0/clock-s5p6450.c        |   3 +-
 arch/arm/mach-s5p64x0/clock.c                |   4 +-
 arch/arm/mach-s5p64x0/common.c               | 459 +++++++++++++++++++
 arch/arm/mach-s5p64x0/common.h               |  55 +++
 arch/arm/mach-s5p64x0/cpu.c                  | 215 ---------
 arch/arm/mach-s5p64x0/init.c                 |  73 ---
 arch/arm/mach-s5p64x0/irq-eint.c             | 155 -------
 arch/arm/mach-s5p64x0/mach-smdk6440.c        |   5 +-
 arch/arm/mach-s5p64x0/mach-smdk6450.c        |   5 +-
 arch/arm/plat-s5p/cpu.c                      |  20 -
 arch/arm/plat-samsung/include/plat/s5p6440.h |  36 --
 arch/arm/plat-samsung/include/plat/s5p6450.h |  36 --
 14 files changed, 532 insertions(+), 546 deletions(-)
 create mode 100644 arch/arm/mach-s5p64x0/common.c
 create mode 100644 arch/arm/mach-s5p64x0/common.h
 delete mode 100644 arch/arm/mach-s5p64x0/cpu.c
 delete mode 100644 arch/arm/mach-s5p64x0/init.c
 delete mode 100644 arch/arm/mach-s5p64x0/irq-eint.c
 delete mode 100644 arch/arm/plat-samsung/include/plat/s5p6440.h
 delete mode 100644 arch/arm/plat-samsung/include/plat/s5p6450.h

diff --git a/arch/arm/mach-s5p64x0/Makefile b/arch/arm/mach-s5p64x0/Makefile
index a1324d8dc4e0..d3f7409999f2 100644
--- a/arch/arm/mach-s5p64x0/Makefile
+++ b/arch/arm/mach-s5p64x0/Makefile
@@ -10,14 +10,16 @@ obj-m				:=
 obj-n				:=
 obj-				:=
 
-# Core support for S5P64X0 system
+# Core
 
-obj-$(CONFIG_ARCH_S5P64X0)	+= cpu.o init.o clock.o dma.o
-obj-$(CONFIG_ARCH_S5P64X0)	+= setup-i2c0.o irq-eint.o
+obj-y				+= common.o clock.o
 obj-$(CONFIG_CPU_S5P6440)	+= clock-s5p6440.o
 obj-$(CONFIG_CPU_S5P6450)	+= clock-s5p6450.o
+
 obj-$(CONFIG_PM)		+= pm.o irq-pm.o
 
+obj-y				+= dma.o
+
 # machine support
 
 obj-$(CONFIG_MACH_SMDK6440)	+= mach-smdk6440.o
@@ -28,5 +30,6 @@ obj-$(CONFIG_MACH_SMDK6450)	+= mach-smdk6450.o
 obj-y				+= dev-audio.o
 obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
 
+obj-y					+= setup-i2c0.o
 obj-$(CONFIG_S5P64X0_SETUP_I2C1)	+= setup-i2c1.o
 obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c
index c54c65d511f0..dd2b8daef0cd 100644
--- a/arch/arm/mach-s5p64x0/clock-s5p6440.c
+++ b/arch/arm/mach-s5p64x0/clock-s5p6440.c
@@ -31,7 +31,8 @@
 #include <plat/pll.h>
 #include <plat/s5p-clock.h>
 #include <plat/clock-clksrc.h>
-#include <plat/s5p6440.h>
+
+#include "common.h"
 
 static u32 epll_div[][5] = {
 	{ 36000000,	0,	48, 1, 4 },
diff --git a/arch/arm/mach-s5p64x0/clock-s5p6450.c b/arch/arm/mach-s5p64x0/clock-s5p6450.c
index 2d04abfba12e..328a224f0075 100644
--- a/arch/arm/mach-s5p64x0/clock-s5p6450.c
+++ b/arch/arm/mach-s5p64x0/clock-s5p6450.c
@@ -31,7 +31,8 @@
 #include <plat/pll.h>
 #include <plat/s5p-clock.h>
 #include <plat/clock-clksrc.h>
-#include <plat/s5p6450.h>
+
+#include "common.h"
 
 static struct clksrc_clk clk_mout_dpll = {
 	.clk	= {
diff --git a/arch/arm/mach-s5p64x0/clock.c b/arch/arm/mach-s5p64x0/clock.c
index b52c6e2f37a6..b289b726a7d6 100644
--- a/arch/arm/mach-s5p64x0/clock.c
+++ b/arch/arm/mach-s5p64x0/clock.c
@@ -30,8 +30,8 @@
 #include <plat/pll.h>
 #include <plat/s5p-clock.h>
 #include <plat/clock-clksrc.h>
-#include <plat/s5p6440.h>
-#include <plat/s5p6450.h>
+
+#include "common.h"
 
 struct clksrc_clk clk_mout_apll = {
 	.clk	= {
diff --git a/arch/arm/mach-s5p64x0/common.c b/arch/arm/mach-s5p64x0/common.c
new file mode 100644
index 000000000000..af02dc34769d
--- /dev/null
+++ b/arch/arm/mach-s5p64x0/common.c
@@ -0,0 +1,459 @@
+/*
+ * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Common Codes for S5P64X0 machines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+
+#include <asm/irq.h>
+#include <asm/proc-fns.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/map.h>
+#include <mach/hardware.h>
+#include <mach/regs-clock.h>
+#include <mach/regs-gpio.h>
+
+#include <plat/cpu.h>
+#include <plat/clock.h>
+#include <plat/devs.h>
+#include <plat/pm.h>
+#include <plat/adc-core.h>
+#include <plat/fb-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/regs-irqtype.h>
+#include <plat/regs-serial.h>
+
+#include "common.h"
+
+static const char name_s5p6440[] = "S5P6440";
+static const char name_s5p6450[] = "S5P6450";
+
+static struct cpu_table cpu_ids[] __initdata = {
+	{
+		.idcode		= S5P6440_CPU_ID,
+		.idmask		= S5P64XX_CPU_MASK,
+		.map_io		= s5p6440_map_io,
+		.init_clocks	= s5p6440_init_clocks,
+		.init_uarts	= s5p6440_init_uarts,
+		.init		= s5p64x0_init,
+		.name		= name_s5p6440,
+	}, {
+		.idcode		= S5P6450_CPU_ID,
+		.idmask		= S5P64XX_CPU_MASK,
+		.map_io		= s5p6450_map_io,
+		.init_clocks	= s5p6450_init_clocks,
+		.init_uarts	= s5p6450_init_uarts,
+		.init		= s5p64x0_init,
+		.name		= name_s5p6450,
+	},
+};
+
+/* Initial IO mappings */
+
+static struct map_desc s5p64x0_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_CHIPID,
+		.pfn		= __phys_to_pfn(S5P64X0_PA_CHIPID),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_SYS,
+		.pfn		= __phys_to_pfn(S5P64X0_PA_SYSCON),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_TIMER,
+		.pfn		= __phys_to_pfn(S5P64X0_PA_TIMER),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_WATCHDOG,
+		.pfn		= __phys_to_pfn(S5P64X0_PA_WDT),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_SROMC,
+		.pfn		= __phys_to_pfn(S5P64X0_PA_SROMC),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_GPIO,
+		.pfn		= __phys_to_pfn(S5P64X0_PA_GPIO),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC0,
+		.pfn		= __phys_to_pfn(S5P64X0_PA_VIC0),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC1,
+		.pfn		= __phys_to_pfn(S5P64X0_PA_VIC1),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static struct map_desc s5p6440_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S3C_VA_UART,
+		.pfn		= __phys_to_pfn(S5P6440_PA_UART(0)),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static struct map_desc s5p6450_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S3C_VA_UART,
+		.pfn		= __phys_to_pfn(S5P6450_PA_UART(0)),
+		.length		= SZ_512K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_UART + SZ_512K,
+		.pfn		= __phys_to_pfn(S5P6450_PA_UART(5)),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static void s5p64x0_idle(void)
+{
+	unsigned long val;
+
+	if (!need_resched()) {
+		val = __raw_readl(S5P64X0_PWR_CFG);
+		val &= ~(0x3 << 5);
+		val |= (0x1 << 5);
+		__raw_writel(val, S5P64X0_PWR_CFG);
+
+		cpu_do_idle();
+	}
+	local_irq_enable();
+}
+
+/*
+ * s5p64x0_map_io
+ *
+ * register the standard CPU IO areas
+ */
+
+void __init s5p64x0_init_io(struct map_desc *mach_desc, int size)
+{
+	/* initialize the io descriptors we need for initialization */
+	iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc));
+	if (mach_desc)
+		iotable_init(mach_desc, size);
+
+	/* detect cpu id and rev. */
+	s5p_init_cpu(S5P64X0_SYS_ID);
+
+	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
+}
+
+void __init s5p6440_map_io(void)
+{
+	/* initialize any device information early */
+	s3c_adc_setname("s3c64xx-adc");
+	s3c_fb_setname("s5p64x0-fb");
+
+	iotable_init(s5p6440_iodesc, ARRAY_SIZE(s5p6440_iodesc));
+	init_consistent_dma_size(SZ_8M);
+}
+
+void __init s5p6450_map_io(void)
+{
+	/* initialize any device information early */
+	s3c_adc_setname("s3c64xx-adc");
+	s3c_fb_setname("s5p64x0-fb");
+
+	iotable_init(s5p6450_iodesc, ARRAY_SIZE(s5p6450_iodesc));
+	init_consistent_dma_size(SZ_8M);
+}
+
+/*
+ * s5p64x0_init_clocks
+ *
+ * register and setup the CPU clocks
+ */
+
+void __init s5p6440_init_clocks(int xtal)
+{
+	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
+	s3c24xx_register_baseclocks(xtal);
+	s5p_register_clocks(xtal);
+	s5p6440_register_clocks();
+	s5p6440_setup_clocks();
+}
+
+void __init s5p6450_init_clocks(int xtal)
+{
+	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
+	s3c24xx_register_baseclocks(xtal);
+	s5p_register_clocks(xtal);
+	s5p6450_register_clocks();
+	s5p6450_setup_clocks();
+}
+
+/*
+ * s5p64x0_init_irq
+ *
+ * register the CPU interrupts
+ */
+
+void __init s5p6440_init_irq(void)
+{
+	/* S5P6440 supports 2 VIC */
+	u32 vic[2];
+
+	/*
+	 * VIC0 is missing IRQ_VIC0[3, 4, 8, 10, (12-22)]
+	 * VIC1 is missing IRQ VIC1[1, 3, 4, 10, 11, 12, 14, 15, 22]
+	 */
+	vic[0] = 0xff800ae7;
+	vic[1] = 0xffbf23e5;
+
+	s5p_init_irq(vic, ARRAY_SIZE(vic));
+}
+
+void __init s5p6450_init_irq(void)
+{
+	/* S5P6450 supports only 2 VIC */
+	u32 vic[2];
+
+	/*
+	 * VIC0 is missing IRQ_VIC0[(13-15), (21-22)]
+	 * VIC1 is missing IRQ VIC1[12, 14, 23]
+	 */
+	vic[0] = 0xff9f1fff;
+	vic[1] = 0xff7fafff;
+
+	s5p_init_irq(vic, ARRAY_SIZE(vic));
+}
+
+struct sysdev_class s5p64x0_sysclass = {
+	.name	= "s5p64x0-core",
+};
+
+static struct sys_device s5p64x0_sysdev = {
+	.cls	= &s5p64x0_sysclass,
+};
+
+static int __init s5p64x0_core_init(void)
+{
+	return sysdev_class_register(&s5p64x0_sysclass);
+}
+core_initcall(s5p64x0_core_init);
+
+int __init s5p64x0_init(void)
+{
+	printk(KERN_INFO "S5P64X0(S5P6440/S5P6450): Initializing architecture\n");
+
+	/* set idle function */
+	pm_idle = s5p64x0_idle;
+
+	return sysdev_register(&s5p64x0_sysdev);
+}
+
+static struct s3c24xx_uart_clksrc s5p64x0_serial_clocks[] = {
+	[0] = {
+		.name		= "pclk_low",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+	[1] = {
+		.name		= "uclk1",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+};
+
+/* uart registration process */
+
+void __init s5p64x0_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	struct s3c2410_uartcfg *tcfg = cfg;
+	u32 ucnt;
+
+	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
+		if (!tcfg->clocks) {
+			tcfg->clocks = s5p64x0_serial_clocks;
+			tcfg->clocks_size = ARRAY_SIZE(s5p64x0_serial_clocks);
+		}
+	}
+}
+
+void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	int uart;
+
+	for (uart = 0; uart < no; uart++) {
+		s5p_uart_resources[uart].resources->start = S5P6440_PA_UART(uart);
+		s5p_uart_resources[uart].resources->end = S5P6440_PA_UART(uart) + S5P_SZ_UART;
+	}
+
+	s5p64x0_common_init_uarts(cfg, no);
+	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
+}
+
+void __init s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	s5p64x0_common_init_uarts(cfg, no);
+	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
+}
+
+#define eint_offset(irq)	((irq) - IRQ_EINT(0))
+
+static int s5p64x0_irq_eint_set_type(struct irq_data *data, unsigned int type)
+{
+	int offs = eint_offset(data->irq);
+	int shift;
+	u32 ctrl, mask;
+	u32 newvalue = 0;
+
+	if (offs > 15)
+		return -EINVAL;
+
+	switch (type) {
+	case IRQ_TYPE_NONE:
+		printk(KERN_WARNING "No edge setting!\n");
+		break;
+	case IRQ_TYPE_EDGE_RISING:
+		newvalue = S3C2410_EXTINT_RISEEDGE;
+		break;
+	case IRQ_TYPE_EDGE_FALLING:
+		newvalue = S3C2410_EXTINT_FALLEDGE;
+		break;
+	case IRQ_TYPE_EDGE_BOTH:
+		newvalue = S3C2410_EXTINT_BOTHEDGE;
+		break;
+	case IRQ_TYPE_LEVEL_LOW:
+		newvalue = S3C2410_EXTINT_LOWLEV;
+		break;
+	case IRQ_TYPE_LEVEL_HIGH:
+		newvalue = S3C2410_EXTINT_HILEV;
+		break;
+	default:
+		printk(KERN_ERR "No such irq type %d", type);
+		return -EINVAL;
+	}
+
+	shift = (offs / 2) * 4;
+	mask = 0x7 << shift;
+
+	ctrl = __raw_readl(S5P64X0_EINT0CON0) & ~mask;
+	ctrl |= newvalue << shift;
+	__raw_writel(ctrl, S5P64X0_EINT0CON0);
+
+	/* Configure the GPIO pin for 6450 or 6440 based on CPU ID */
+	if (soc_is_s5p6450())
+		s3c_gpio_cfgpin(S5P6450_GPN(offs), S3C_GPIO_SFN(2));
+	else
+		s3c_gpio_cfgpin(S5P6440_GPN(offs), S3C_GPIO_SFN(2));
+
+	return 0;
+}
+
+/*
+ * s5p64x0_irq_demux_eint
+ *
+ * This function demuxes the IRQ from the group0 external interrupts,
+ * from IRQ_EINT(0) to IRQ_EINT(15). It is designed to be inlined into
+ * the specific handlers s5p64x0_irq_demux_eintX_Y.
+ */
+static inline void s5p64x0_irq_demux_eint(unsigned int start, unsigned int end)
+{
+	u32 status = __raw_readl(S5P64X0_EINT0PEND);
+	u32 mask = __raw_readl(S5P64X0_EINT0MASK);
+	unsigned int irq;
+
+	status &= ~mask;
+	status >>= start;
+	status &= (1 << (end - start + 1)) - 1;
+
+	for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) {
+		if (status & 1)
+			generic_handle_irq(irq);
+		status >>= 1;
+	}
+}
+
+static void s5p64x0_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
+{
+	s5p64x0_irq_demux_eint(0, 3);
+}
+
+static void s5p64x0_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
+{
+	s5p64x0_irq_demux_eint(4, 11);
+}
+
+static void s5p64x0_irq_demux_eint12_15(unsigned int irq,
+					struct irq_desc *desc)
+{
+	s5p64x0_irq_demux_eint(12, 15);
+}
+
+static int s5p64x0_alloc_gc(void)
+{
+	struct irq_chip_generic *gc;
+	struct irq_chip_type *ct;
+
+	gc = irq_alloc_generic_chip("s5p64x0-eint", 1, S5P_IRQ_EINT_BASE,
+				    S5P_VA_GPIO, handle_level_irq);
+	if (!gc) {
+		printk(KERN_ERR "%s: irq_alloc_generic_chip for group 0"
+			"external interrupts failed\n", __func__);
+		return -EINVAL;
+	}
+
+	ct = gc->chip_types;
+	ct->chip.irq_ack = irq_gc_ack_set_bit;
+	ct->chip.irq_mask = irq_gc_mask_set_bit;
+	ct->chip.irq_unmask = irq_gc_mask_clr_bit;
+	ct->chip.irq_set_type = s5p64x0_irq_eint_set_type;
+	ct->chip.irq_set_wake = s3c_irqext_wake;
+	ct->regs.ack = EINT0PEND_OFFSET;
+	ct->regs.mask = EINT0MASK_OFFSET;
+	irq_setup_generic_chip(gc, IRQ_MSK(16), IRQ_GC_INIT_MASK_CACHE,
+			       IRQ_NOREQUEST | IRQ_NOPROBE, 0);
+	return 0;
+}
+
+static int __init s5p64x0_init_irq_eint(void)
+{
+	int ret = s5p64x0_alloc_gc();
+	irq_set_chained_handler(IRQ_EINT0_3, s5p64x0_irq_demux_eint0_3);
+	irq_set_chained_handler(IRQ_EINT4_11, s5p64x0_irq_demux_eint4_11);
+	irq_set_chained_handler(IRQ_EINT12_15, s5p64x0_irq_demux_eint12_15);
+
+	return ret;
+}
+arch_initcall(s5p64x0_init_irq_eint);
diff --git a/arch/arm/mach-s5p64x0/common.h b/arch/arm/mach-s5p64x0/common.h
new file mode 100644
index 000000000000..8a1eca5f4ec9
--- /dev/null
+++ b/arch/arm/mach-s5p64x0/common.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Common Header for S5P64X0 machines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ARCH_ARM_MACH_S5P64X0_COMMON_H
+#define __ARCH_ARM_MACH_S5P64X0_COMMON_H
+
+void s5p6440_init_irq(void);
+void s5p6450_init_irq(void);
+void s5p64x0_init_io(struct map_desc *mach_desc, int size);
+
+void s5p6440_register_clocks(void);
+void s5p6440_setup_clocks(void);
+
+void s5p6450_register_clocks(void);
+void s5p6450_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5P6440
+
+extern  int s5p64x0_init(void);
+extern void s5p6440_map_io(void);
+extern void s5p6440_init_clocks(int xtal);
+
+extern void s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+#else
+#define s5p6440_init_clocks NULL
+#define s5p6440_init_uarts NULL
+#define s5p6440_map_io NULL
+#define s5p64x0_init NULL
+#endif
+
+#ifdef CONFIG_CPU_S5P6450
+
+extern  int s5p64x0_init(void);
+extern void s5p6450_map_io(void);
+extern void s5p6450_init_clocks(int xtal);
+
+extern void s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+#else
+#define s5p6450_init_clocks NULL
+#define s5p6450_init_uarts NULL
+#define s5p6450_map_io NULL
+#define s5p64x0_init NULL
+#endif
+
+#endif /* __ARCH_ARM_MACH_S5P64X0_COMMON_H */
diff --git a/arch/arm/mach-s5p64x0/cpu.c b/arch/arm/mach-s5p64x0/cpu.c
deleted file mode 100644
index ecab40cf19ab..000000000000
--- a/arch/arm/mach-s5p64x0/cpu.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/* linux/arch/arm/mach-s5p64x0/cpu.c
- *
- * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/sysdev.h>
-#include <linux/serial_core.h>
-#include <linux/platform_device.h>
-#include <linux/sched.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-#include <asm/proc-fns.h>
-#include <asm/irq.h>
-
-#include <mach/hardware.h>
-#include <mach/map.h>
-#include <mach/regs-clock.h>
-
-#include <plat/regs-serial.h>
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/clock.h>
-#include <plat/s5p6440.h>
-#include <plat/s5p6450.h>
-#include <plat/adc-core.h>
-#include <plat/fb-core.h>
-
-/* Initial IO mappings */
-
-static struct map_desc s5p64x0_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5P_VA_GPIO,
-		.pfn		= __phys_to_pfn(S5P64X0_PA_GPIO),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)VA_VIC0,
-		.pfn		= __phys_to_pfn(S5P64X0_PA_VIC0),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)VA_VIC1,
-		.pfn		= __phys_to_pfn(S5P64X0_PA_VIC1),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static struct map_desc s5p6440_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S3C_VA_UART,
-		.pfn		= __phys_to_pfn(S5P6440_PA_UART(0)),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static struct map_desc s5p6450_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S3C_VA_UART,
-		.pfn		= __phys_to_pfn(S5P6450_PA_UART(0)),
-		.length		= SZ_512K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_UART + SZ_512K,
-		.pfn		= __phys_to_pfn(S5P6450_PA_UART(5)),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static void s5p64x0_idle(void)
-{
-	unsigned long val;
-
-	if (!need_resched()) {
-		val = __raw_readl(S5P64X0_PWR_CFG);
-		val &= ~(0x3 << 5);
-		val |= (0x1 << 5);
-		__raw_writel(val, S5P64X0_PWR_CFG);
-
-		cpu_do_idle();
-	}
-	local_irq_enable();
-}
-
-/*
- * s5p64x0_map_io
- *
- * register the standard CPU IO areas
- */
-
-void __init s5p6440_map_io(void)
-{
-	/* initialize any device information early */
-	s3c_adc_setname("s3c64xx-adc");
-	s3c_fb_setname("s5p64x0-fb");
-
-	iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc));
-	iotable_init(s5p6440_iodesc, ARRAY_SIZE(s5p6440_iodesc));
-	init_consistent_dma_size(SZ_8M);
-}
-
-void __init s5p6450_map_io(void)
-{
-	/* initialize any device information early */
-	s3c_adc_setname("s3c64xx-adc");
-	s3c_fb_setname("s5p64x0-fb");
-
-	iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc));
-	iotable_init(s5p6450_iodesc, ARRAY_SIZE(s5p6450_iodesc));
-	init_consistent_dma_size(SZ_8M);
-}
-
-/*
- * s5p64x0_init_clocks
- *
- * register and setup the CPU clocks
- */
-
-void __init s5p6440_init_clocks(int xtal)
-{
-	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
-
-	s3c24xx_register_baseclocks(xtal);
-	s5p_register_clocks(xtal);
-	s5p6440_register_clocks();
-	s5p6440_setup_clocks();
-}
-
-void __init s5p6450_init_clocks(int xtal)
-{
-	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
-
-	s3c24xx_register_baseclocks(xtal);
-	s5p_register_clocks(xtal);
-	s5p6450_register_clocks();
-	s5p6450_setup_clocks();
-}
-
-/*
- * s5p64x0_init_irq
- *
- * register the CPU interrupts
- */
-
-void __init s5p6440_init_irq(void)
-{
-	/* S5P6440 supports 2 VIC */
-	u32 vic[2];
-
-	/*
-	 * VIC0 is missing IRQ_VIC0[3, 4, 8, 10, (12-22)]
-	 * VIC1 is missing IRQ VIC1[1, 3, 4, 10, 11, 12, 14, 15, 22]
-	 */
-	vic[0] = 0xff800ae7;
-	vic[1] = 0xffbf23e5;
-
-	s5p_init_irq(vic, ARRAY_SIZE(vic));
-}
-
-void __init s5p6450_init_irq(void)
-{
-	/* S5P6450 supports only 2 VIC */
-	u32 vic[2];
-
-	/*
-	 * VIC0 is missing IRQ_VIC0[(13-15), (21-22)]
-	 * VIC1 is missing IRQ VIC1[12, 14, 23]
-	 */
-	vic[0] = 0xff9f1fff;
-	vic[1] = 0xff7fafff;
-
-	s5p_init_irq(vic, ARRAY_SIZE(vic));
-}
-
-struct sysdev_class s5p64x0_sysclass = {
-	.name	= "s5p64x0-core",
-};
-
-static struct sys_device s5p64x0_sysdev = {
-	.cls	= &s5p64x0_sysclass,
-};
-
-static int __init s5p64x0_core_init(void)
-{
-	return sysdev_class_register(&s5p64x0_sysclass);
-}
-core_initcall(s5p64x0_core_init);
-
-int __init s5p64x0_init(void)
-{
-	printk(KERN_INFO "S5P64X0(S5P6440/S5P6450): Initializing architecture\n");
-
-	/* set idle function */
-	pm_idle = s5p64x0_idle;
-
-	return sysdev_register(&s5p64x0_sysdev);
-}
diff --git a/arch/arm/mach-s5p64x0/init.c b/arch/arm/mach-s5p64x0/init.c
deleted file mode 100644
index 79833caf8165..000000000000
--- a/arch/arm/mach-s5p64x0/init.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/* linux/arch/arm/mach-s5p64x0/init.c
- *
- * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * S5P64X0 - Init support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/serial_core.h>
-
-#include <mach/map.h>
-
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/s5p6440.h>
-#include <plat/s5p6450.h>
-#include <plat/regs-serial.h>
-
-static struct s3c24xx_uart_clksrc s5p64x0_serial_clocks[] = {
-	[0] = {
-		.name		= "pclk_low",
-		.divisor	= 1,
-		.min_baud	= 0,
-		.max_baud	= 0,
-	},
-	[1] = {
-		.name		= "uclk1",
-		.divisor	= 1,
-		.min_baud	= 0,
-		.max_baud	= 0,
-	},
-};
-
-/* uart registration process */
-
-void __init s5p64x0_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	struct s3c2410_uartcfg *tcfg = cfg;
-	u32 ucnt;
-
-	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
-		if (!tcfg->clocks) {
-			tcfg->clocks = s5p64x0_serial_clocks;
-			tcfg->clocks_size = ARRAY_SIZE(s5p64x0_serial_clocks);
-		}
-	}
-}
-
-void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	int uart;
-
-	for (uart = 0; uart < no; uart++) {
-		s5p_uart_resources[uart].resources->start = S5P6440_PA_UART(uart);
-		s5p_uart_resources[uart].resources->end = S5P6440_PA_UART(uart) + S5P_SZ_UART;
-	}
-
-	s5p64x0_common_init_uarts(cfg, no);
-	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
-}
-
-void __init s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	s5p64x0_common_init_uarts(cfg, no);
-	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
-}
diff --git a/arch/arm/mach-s5p64x0/irq-eint.c b/arch/arm/mach-s5p64x0/irq-eint.c
deleted file mode 100644
index 275dc74f4a7b..000000000000
--- a/arch/arm/mach-s5p64x0/irq-eint.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/* arch/arm/mach-s5p64x0/irq-eint.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd
- *		http://www.samsung.com/
- *
- * Based on linux/arch/arm/mach-s3c64xx/irq-eint.c
- *
- * S5P64X0 - Interrupt handling for External Interrupts.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/gpio.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <plat/cpu.h>
-#include <plat/regs-irqtype.h>
-#include <plat/gpio-cfg.h>
-#include <plat/pm.h>
-
-#include <mach/regs-gpio.h>
-#include <mach/regs-clock.h>
-
-#define eint_offset(irq)	((irq) - IRQ_EINT(0))
-
-static int s5p64x0_irq_eint_set_type(struct irq_data *data, unsigned int type)
-{
-	int offs = eint_offset(data->irq);
-	int shift;
-	u32 ctrl, mask;
-	u32 newvalue = 0;
-
-	if (offs > 15)
-		return -EINVAL;
-
-	switch (type) {
-	case IRQ_TYPE_NONE:
-		printk(KERN_WARNING "No edge setting!\n");
-		break;
-	case IRQ_TYPE_EDGE_RISING:
-		newvalue = S3C2410_EXTINT_RISEEDGE;
-		break;
-	case IRQ_TYPE_EDGE_FALLING:
-		newvalue = S3C2410_EXTINT_FALLEDGE;
-		break;
-	case IRQ_TYPE_EDGE_BOTH:
-		newvalue = S3C2410_EXTINT_BOTHEDGE;
-		break;
-	case IRQ_TYPE_LEVEL_LOW:
-		newvalue = S3C2410_EXTINT_LOWLEV;
-		break;
-	case IRQ_TYPE_LEVEL_HIGH:
-		newvalue = S3C2410_EXTINT_HILEV;
-		break;
-	default:
-		printk(KERN_ERR "No such irq type %d", type);
-		return -EINVAL;
-	}
-
-	shift = (offs / 2) * 4;
-	mask = 0x7 << shift;
-
-	ctrl = __raw_readl(S5P64X0_EINT0CON0) & ~mask;
-	ctrl |= newvalue << shift;
-	__raw_writel(ctrl, S5P64X0_EINT0CON0);
-
-	/* Configure the GPIO pin for 6450 or 6440 based on CPU ID */
-	if (soc_is_s5p6450())
-		s3c_gpio_cfgpin(S5P6450_GPN(offs), S3C_GPIO_SFN(2));
-	else
-		s3c_gpio_cfgpin(S5P6440_GPN(offs), S3C_GPIO_SFN(2));
-
-	return 0;
-}
-
-/*
- * s5p64x0_irq_demux_eint
- *
- * This function demuxes the IRQ from the group0 external interrupts,
- * from IRQ_EINT(0) to IRQ_EINT(15). It is designed to be inlined into
- * the specific handlers s5p64x0_irq_demux_eintX_Y.
- */
-static inline void s5p64x0_irq_demux_eint(unsigned int start, unsigned int end)
-{
-	u32 status = __raw_readl(S5P64X0_EINT0PEND);
-	u32 mask = __raw_readl(S5P64X0_EINT0MASK);
-	unsigned int irq;
-
-	status &= ~mask;
-	status >>= start;
-	status &= (1 << (end - start + 1)) - 1;
-
-	for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) {
-		if (status & 1)
-			generic_handle_irq(irq);
-		status >>= 1;
-	}
-}
-
-static void s5p64x0_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
-{
-	s5p64x0_irq_demux_eint(0, 3);
-}
-
-static void s5p64x0_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
-{
-	s5p64x0_irq_demux_eint(4, 11);
-}
-
-static void s5p64x0_irq_demux_eint12_15(unsigned int irq,
-					struct irq_desc *desc)
-{
-	s5p64x0_irq_demux_eint(12, 15);
-}
-
-static int s5p64x0_alloc_gc(void)
-{
-	struct irq_chip_generic *gc;
-	struct irq_chip_type *ct;
-
-	gc = irq_alloc_generic_chip("s5p64x0-eint", 1, S5P_IRQ_EINT_BASE,
-				    S5P_VA_GPIO, handle_level_irq);
-	if (!gc) {
-		printk(KERN_ERR "%s: irq_alloc_generic_chip for group 0"
-			"external interrupts failed\n", __func__);
-		return -EINVAL;
-	}
-
-	ct = gc->chip_types;
-	ct->chip.irq_ack = irq_gc_ack_set_bit;
-	ct->chip.irq_mask = irq_gc_mask_set_bit;
-	ct->chip.irq_unmask = irq_gc_mask_clr_bit;
-	ct->chip.irq_set_type = s5p64x0_irq_eint_set_type;
-	ct->chip.irq_set_wake = s3c_irqext_wake;
-	ct->regs.ack = EINT0PEND_OFFSET;
-	ct->regs.mask = EINT0MASK_OFFSET;
-	irq_setup_generic_chip(gc, IRQ_MSK(16), IRQ_GC_INIT_MASK_CACHE,
-			       IRQ_NOREQUEST | IRQ_NOPROBE, 0);
-	return 0;
-}
-
-static int __init s5p64x0_init_irq_eint(void)
-{
-	int ret = s5p64x0_alloc_gc();
-	irq_set_chained_handler(IRQ_EINT0_3, s5p64x0_irq_demux_eint0_3);
-	irq_set_chained_handler(IRQ_EINT4_11, s5p64x0_irq_demux_eint4_11);
-	irq_set_chained_handler(IRQ_EINT12_15, s5p64x0_irq_demux_eint12_15);
-
-	return ret;
-}
-arch_initcall(s5p64x0_init_irq_eint);
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c
index 4a1250cd1356..646fc995a109 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6440.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c
@@ -40,7 +40,6 @@
 
 #include <plat/regs-serial.h>
 #include <plat/gpio-cfg.h>
-#include <plat/s5p6440.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -53,6 +52,8 @@
 #include <plat/fb.h>
 #include <plat/regs-fb.h>
 
+#include "common.h"
+
 #define SMDK6440_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				S3C2410_UCON_RXILEVEL |		\
 				S3C2410_UCON_TXIRQMODE |	\
@@ -201,7 +202,7 @@ static struct platform_pwm_backlight_data smdk6440_bl_data = {
 
 static void __init smdk6440_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
+	s5p64x0_init_io(NULL, 0);
 	s3c24xx_init_clocks(12000000);
 	s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c
index 0ab129ecf009..90463ddcbe39 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6450.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c
@@ -40,7 +40,6 @@
 
 #include <plat/regs-serial.h>
 #include <plat/gpio-cfg.h>
-#include <plat/s5p6450.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -53,6 +52,8 @@
 #include <plat/fb.h>
 #include <plat/regs-fb.h>
 
+#include "common.h"
+
 #define SMDK6450_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				S3C2410_UCON_RXILEVEL |		\
 				S3C2410_UCON_TXIRQMODE |	\
@@ -221,7 +222,7 @@ static struct platform_pwm_backlight_data smdk6450_bl_data = {
 
 static void __init smdk6450_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
+	s5p64x0_init_io(NULL, 0);
 	s3c24xx_init_clocks(19200000);
 	s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
 	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
index a56959e83516..2fb9a9c87ead 100644
--- a/arch/arm/plat-s5p/cpu.c
+++ b/arch/arm/plat-s5p/cpu.c
@@ -20,16 +20,12 @@
 #include <mach/regs-clock.h>
 
 #include <plat/cpu.h>
-#include <plat/s5p6440.h>
-#include <plat/s5p6450.h>
 #include <plat/s5pc100.h>
 #include <plat/s5pv210.h>
 #include <plat/exynos4.h>
 
 /* table of supported CPUs */
 
-static const char name_s5p6440[] = "S5P6440";
-static const char name_s5p6450[] = "S5P6450";
 static const char name_s5pc100[] = "S5PC100";
 static const char name_s5pv210[] = "S5PV210/S5PC110";
 static const char name_exynos4210[] = "EXYNOS4210";
@@ -38,22 +34,6 @@ static const char name_exynos4412[] = "EXYNOS4412";
 
 static struct cpu_table cpu_ids[] __initdata = {
 	{
-		.idcode		= S5P6440_CPU_ID,
-		.idmask		= S5P64XX_CPU_MASK,
-		.map_io		= s5p6440_map_io,
-		.init_clocks	= s5p6440_init_clocks,
-		.init_uarts	= s5p6440_init_uarts,
-		.init		= s5p64x0_init,
-		.name		= name_s5p6440,
-	}, {
-		.idcode		= S5P6450_CPU_ID,
-		.idmask		= S5P64XX_CPU_MASK,
-		.map_io		= s5p6450_map_io,
-		.init_clocks	= s5p6450_init_clocks,
-		.init_uarts	= s5p6450_init_uarts,
-		.init		= s5p64x0_init,
-		.name		= name_s5p6450,
-	}, {
 		.idcode		= S5PC100_CPU_ID,
 		.idmask		= S5PC100_CPU_MASK,
 		.map_io		= s5pc100_map_io,
diff --git a/arch/arm/plat-samsung/include/plat/s5p6440.h b/arch/arm/plat-samsung/include/plat/s5p6440.h
deleted file mode 100644
index bf85ebbb4fbc..000000000000
--- a/arch/arm/plat-samsung/include/plat/s5p6440.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/s5p6440.h
- *
- * Copyright (c) 2009 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * Header file for s5p6440 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
- /* Common init code for S5P6440 related SoCs */
-
-extern void s5p6440_register_clocks(void);
-extern void s5p6440_setup_clocks(void);
-
-#ifdef CONFIG_CPU_S5P6440
-
-extern  int s5p64x0_init(void);
-extern void s5p6440_init_irq(void);
-extern void s5p6440_map_io(void);
-extern void s5p6440_init_clocks(int xtal);
-
-extern void s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-
-#else
-#define s5p6440_init_clocks NULL
-#define s5p6440_init_uarts NULL
-#define s5p6440_map_io NULL
-#define s5p64x0_init NULL
-#endif
-
-/* S5P6440 timer */
-
-extern struct sys_timer s5p6440_timer;
diff --git a/arch/arm/plat-samsung/include/plat/s5p6450.h b/arch/arm/plat-samsung/include/plat/s5p6450.h
deleted file mode 100644
index da25f9a1c54a..000000000000
--- a/arch/arm/plat-samsung/include/plat/s5p6450.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/s5p6450.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Header file for s5p6450 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-/* Common init code for S5P6450 related SoCs */
-
-extern void s5p6450_register_clocks(void);
-extern void s5p6450_setup_clocks(void);
-
-#ifdef CONFIG_CPU_S5P6450
-
-extern  int s5p64x0_init(void);
-extern void s5p6450_init_irq(void);
-extern void s5p6450_map_io(void);
-extern void s5p6450_init_clocks(int xtal);
-
-extern void s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-
-#else
-#define s5p6450_init_clocks NULL
-#define s5p6450_init_uarts NULL
-#define s5p6450_map_io NULL
-#define s5p64x0_init NULL
-#endif
-
-/* S5P6450 timer */
-
-extern struct sys_timer s5p6450_timer;
-- 
GitLab


From dd4153d9af67496f6545831e72c743060d33a830 Mon Sep 17 00:00:00 2001
From: Kukjin Kim <kgene.kim@samsung.com>
Date: Thu, 22 Dec 2011 23:31:28 +0100
Subject: [PATCH 1587/1594] ARM: 7247/1: S5PC100: introduce
 arch/arm/mach-s5pc100/common.[ch]

This patch introduces common.[ch] which are used only in the
arch/arm/mach-s5pc100/ directory. The common.c file merges
the cpu.c and init.c which are used commonly on S5PC100 SoC
and the common.h local header file replaces with plat/s5pc100.h
file.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-s5pc100/Makefile               | 29 +++---
 arch/arm/mach-s5pc100/clock.c                |  3 +-
 arch/arm/mach-s5pc100/{cpu.c => common.c}    | 94 +++++++++++++++-----
 arch/arm/mach-s5pc100/common.h               | 35 ++++++++
 arch/arm/mach-s5pc100/init.c                 | 24 -----
 arch/arm/mach-s5pc100/mach-smdkc100.c        |  5 +-
 arch/arm/plat-s5p/cpu.c                      | 10 ---
 arch/arm/plat-samsung/include/plat/s5pc100.h | 33 -------
 8 files changed, 127 insertions(+), 106 deletions(-)
 rename arch/arm/mach-s5pc100/{cpu.c => common.c} (68%)
 create mode 100644 arch/arm/mach-s5pc100/common.h
 delete mode 100644 arch/arm/mach-s5pc100/init.c
 delete mode 100644 arch/arm/plat-samsung/include/plat/s5pc100.h

diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index a5e6e608b498..c3166c4d2ace 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -9,28 +9,25 @@ obj-m				:=
 obj-n				:=
 obj-				:=
 
-# Core support for S5PC100 system
+# Core
 
-obj-$(CONFIG_CPU_S5PC100)	+= cpu.o init.o clock.o
-obj-$(CONFIG_CPU_S5PC100)	+= setup-i2c0.o
-obj-$(CONFIG_CPU_S5PC100)	+= dma.o
+obj-y				+= common.o clock.o
 
-# Helper and device support
-
-obj-$(CONFIG_S5PC100_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
-obj-$(CONFIG_S5PC100_SETUP_I2C1)	+= setup-i2c1.o
-obj-$(CONFIG_S5PC100_SETUP_IDE)		+= setup-ide.o
-obj-$(CONFIG_S5PC100_SETUP_KEYPAD)	+= setup-keypad.o
-obj-$(CONFIG_S5PC100_SETUP_SDHCI)	+= setup-sdhci.o
-obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
-
-# device support
-obj-y				+= dev-audio.o
-obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
+obj-y				+= dma.o
 
 # machine support
 
 obj-$(CONFIG_MACH_SMDKC100)	+= mach-smdkc100.o
 
 # device support
+
 obj-y				+= dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
+
+obj-y					+= setup-i2c0.o
+obj-$(CONFIG_S5PC100_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
+obj-$(CONFIG_S5PC100_SETUP_I2C1)	+= setup-i2c1.o
+obj-$(CONFIG_S5PC100_SETUP_IDE)		+= setup-ide.o
+obj-$(CONFIG_S5PC100_SETUP_KEYPAD)	+= setup-keypad.o
+obj-$(CONFIG_S5PC100_SETUP_SDHCI)	+= setup-sdhci.o
+obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c
index 8d47709da713..c4c74893f53c 100644
--- a/arch/arm/mach-s5pc100/clock.c
+++ b/arch/arm/mach-s5pc100/clock.c
@@ -27,7 +27,8 @@
 #include <plat/pll.h>
 #include <plat/s5p-clock.h>
 #include <plat/clock-clksrc.h>
-#include <plat/s5pc100.h>
+
+#include "common.h"
 
 static struct clk s5p_clk_otgphy = {
 	.name		= "otg_phy",
diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/common.c
similarity index 68%
rename from arch/arm/mach-s5pc100/cpu.c
rename to arch/arm/mach-s5pc100/common.c
index fd2708e7d8a9..e6eadacc108c 100644
--- a/arch/arm/mach-s5pc100/cpu.c
+++ b/arch/arm/mach-s5pc100/common.c
@@ -1,17 +1,16 @@
-/* linux/arch/arm/mach-s5pc100/cpu.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
  * Copyright 2009 Samsung Electronics Co.
  *	Byungho Min <bhmin@samsung.com>
  *
- * Based on mach-s3c6410/cpu.c
+ * Common Codes for S5PC100
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
-*/
+ */
 
 #include <linux/kernel.h>
 #include <linux/types.h>
@@ -26,35 +25,72 @@
 #include <linux/platform_device.h>
 #include <linux/sched.h>
 
+#include <asm/irq.h>
+#include <asm/proc-fns.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
-#include <asm/proc-fns.h>
-
-#include <mach/hardware.h>
 #include <mach/map.h>
-#include <asm/irq.h>
-
-#include <plat/regs-serial.h>
+#include <mach/hardware.h>
 #include <mach/regs-clock.h>
 
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/clock.h>
-#include <plat/ata-core.h>
-#include <plat/iic-core.h>
 #include <plat/sdhci.h>
 #include <plat/adc-core.h>
-#include <plat/onenand-core.h>
+#include <plat/ata-core.h>
 #include <plat/fb-core.h>
+#include <plat/iic-core.h>
+#include <plat/onenand-core.h>
+#include <plat/regs-serial.h>
+
+#include "common.h"
 
-#include <plat/s5pc100.h>
+static const char name_s5pc100[] = "S5PC100";
+
+static struct cpu_table cpu_ids[] __initdata = {
+	{
+		.idcode		= S5PC100_CPU_ID,
+		.idmask		= S5PC100_CPU_MASK,
+		.map_io		= s5pc100_map_io,
+		.init_clocks	= s5pc100_init_clocks,
+		.init_uarts	= s5pc100_init_uarts,
+		.init		= s5pc100_init,
+		.name		= name_s5pc100,
+	},
+};
 
 /* Initial IO mappings */
 
 static struct map_desc s5pc100_iodesc[] __initdata = {
 	{
+		.virtual	= (unsigned long)S5P_VA_CHIPID,
+		.pfn		= __phys_to_pfn(S5PC100_PA_CHIPID),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_SYS,
+		.pfn		= __phys_to_pfn(S5PC100_PA_SYSCON),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_TIMER,
+		.pfn		= __phys_to_pfn(S5PC100_PA_TIMER),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_WATCHDOG,
+		.pfn		= __phys_to_pfn(S5PC100_PA_WATCHDOG),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_SROMC,
+		.pfn		= __phys_to_pfn(S5PC100_PA_SROMC),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
 		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
 		.pfn		= __phys_to_pfn(S5PC100_PA_SYSTIMER),
 		.length		= SZ_16K,
@@ -100,15 +136,27 @@ static void s5pc100_idle(void)
 	local_irq_enable();
 }
 
-/* s5pc100_map_io
+/*
+ * s5pc100_map_io
  *
- * register the standard cpu IO areas
-*/
+ * register the standard CPU IO areas
+ */
 
-void __init s5pc100_map_io(void)
+void __init s5pc100_init_io(struct map_desc *mach_desc, int size)
 {
+	/* initialize the io descriptors we need for initialization */
 	iotable_init(s5pc100_iodesc, ARRAY_SIZE(s5pc100_iodesc));
+	if (mach_desc)
+		iotable_init(mach_desc, size);
+
+	/* detect cpu id and rev. */
+	s5p_init_cpu(S5P_VA_CHIPID);
+
+	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
+}
 
+void __init s5pc100_map_io(void)
+{
 	/* initialise device information early */
 	s5pc100_default_sdhci0();
 	s5pc100_default_sdhci1();
@@ -155,7 +203,6 @@ static int __init s5pc100_core_init(void)
 {
 	return sysdev_class_register(&s5pc100_sysclass);
 }
-
 core_initcall(s5pc100_core_init);
 
 int __init s5pc100_init(void)
@@ -167,3 +214,10 @@ int __init s5pc100_init(void)
 
 	return sysdev_register(&s5pc100_sysdev);
 }
+
+/* uart registration process */
+
+void __init s5pc100_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
+}
diff --git a/arch/arm/mach-s5pc100/common.h b/arch/arm/mach-s5pc100/common.h
new file mode 100644
index 000000000000..4822b872a468
--- /dev/null
+++ b/arch/arm/mach-s5pc100/common.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Common Header for S5PC100 machines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ARCH_ARM_MACH_S5PC100_COMMON_H
+#define __ARCH_ARM_MACH_S5PC100_COMMON_H
+
+void s5pc100_init_io(struct map_desc *mach_desc, int size);
+void s5pc100_init_irq(void);
+
+void s5pc100_register_clocks(void);
+void s5pc100_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5PC100
+
+extern  int s5pc100_init(void);
+extern void s5pc100_map_io(void);
+extern void s5pc100_init_clocks(int xtal);
+extern void s5pc100_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+#else
+#define s5pc100_init_clocks NULL
+#define s5pc100_init_uarts NULL
+#define s5pc100_map_io NULL
+#define s5pc100_init NULL
+#endif
+
+#endif /* __ARCH_ARM_MACH_S5PC100_COMMON_H */
diff --git a/arch/arm/mach-s5pc100/init.c b/arch/arm/mach-s5pc100/init.c
deleted file mode 100644
index 19d7b523c137..000000000000
--- a/arch/arm/mach-s5pc100/init.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* linux/arch/arm/plat-s5pc100/s5pc100-init.c
- *
- * Copyright 2009 Samsung Electronics Co.
- *      Byungho Min <bhmin@samsung.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/s5pc100.h>
-
-/* uart registration process */
-void __init s5pc100_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
-}
diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index 26f5c91c9427..e1c41772c7bd 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -42,7 +42,6 @@
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
-#include <plat/s5pc100.h>
 #include <plat/fb.h>
 #include <plat/iic.h>
 #include <plat/ata.h>
@@ -53,6 +52,8 @@
 #include <plat/backlight.h>
 #include <plat/regs-fb-v4.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define SMDKC100_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -215,7 +216,7 @@ static struct platform_pwm_backlight_data smdkc100_bl_data = {
 
 static void __init smdkc100_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s5pc100_init_io(NULL, 0);
 	s3c24xx_init_clocks(12000000);
 	s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
 }
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
index 2fb9a9c87ead..74bcd716f300 100644
--- a/arch/arm/plat-s5p/cpu.c
+++ b/arch/arm/plat-s5p/cpu.c
@@ -20,13 +20,11 @@
 #include <mach/regs-clock.h>
 
 #include <plat/cpu.h>
-#include <plat/s5pc100.h>
 #include <plat/s5pv210.h>
 #include <plat/exynos4.h>
 
 /* table of supported CPUs */
 
-static const char name_s5pc100[] = "S5PC100";
 static const char name_s5pv210[] = "S5PV210/S5PC110";
 static const char name_exynos4210[] = "EXYNOS4210";
 static const char name_exynos4212[] = "EXYNOS4212";
@@ -34,14 +32,6 @@ static const char name_exynos4412[] = "EXYNOS4412";
 
 static struct cpu_table cpu_ids[] __initdata = {
 	{
-		.idcode		= S5PC100_CPU_ID,
-		.idmask		= S5PC100_CPU_MASK,
-		.map_io		= s5pc100_map_io,
-		.init_clocks	= s5pc100_init_clocks,
-		.init_uarts	= s5pc100_init_uarts,
-		.init		= s5pc100_init,
-		.name		= name_s5pc100,
-	}, {
 		.idcode		= S5PV210_CPU_ID,
 		.idmask		= S5PV210_CPU_MASK,
 		.map_io		= s5pv210_map_io,
diff --git a/arch/arm/plat-samsung/include/plat/s5pc100.h b/arch/arm/plat-samsung/include/plat/s5pc100.h
deleted file mode 100644
index 9a21aeaaf452..000000000000
--- a/arch/arm/plat-samsung/include/plat/s5pc100.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/s5pc100.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * Header file for s5pc100 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-/* Common init code for S5PC100 related SoCs */
-
-extern void s5pc100_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-extern void s5pc100_register_clocks(void);
-extern void s5pc100_setup_clocks(void);
-
-#ifdef CONFIG_CPU_S5PC100
-
-extern  int s5pc100_init(void);
-extern void s5pc100_init_irq(void);
-extern void s5pc100_map_io(void);
-extern void s5pc100_init_clocks(int xtal);
-
-#define s5pc100_init_uarts s5pc100_common_init_uarts
-
-#else
-#define s5pc100_init_clocks NULL
-#define s5pc100_init_uarts NULL
-#define s5pc100_map_io NULL
-#define s5pc100_init NULL
-#endif
-- 
GitLab


From 3fa754c298b7e6fcbdbe615d6b609117fa7e0de9 Mon Sep 17 00:00:00 2001
From: Kukjin Kim <kgene.kim@samsung.com>
Date: Thu, 22 Dec 2011 23:32:07 +0100
Subject: [PATCH 1588/1594] ARM: 7248/1: S5PV210: introduce
 arch/arm/mach-s5pv210/common.[ch]

This patch introduces common.[ch] which are used only in the
arch/arm/mach-s5pv210/ directory. The common.c file merges
the cpu.c and init.c which are used commonly on S5PCV210/S5PC100
SoC and the common.h local header file replaces with plat/s5pv210.h
file.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-s5pv210/Makefile               |  19 ++--
 arch/arm/mach-s5pv210/clock.c                |   3 +-
 arch/arm/mach-s5pv210/{cpu.c => common.c}    | 109 ++++++++++++++++---
 arch/arm/mach-s5pv210/common.h               |  35 ++++++
 arch/arm/mach-s5pv210/init.c                 |  44 --------
 arch/arm/mach-s5pv210/mach-aquila.c          |   5 +-
 arch/arm/mach-s5pv210/mach-goni.c            |   5 +-
 arch/arm/mach-s5pv210/mach-smdkc110.c        |   5 +-
 arch/arm/mach-s5pv210/mach-smdkv210.c        |   5 +-
 arch/arm/mach-s5pv210/mach-torbreck.c        |   5 +-
 arch/arm/plat-s5p/cpu.c                      |  10 --
 arch/arm/plat-samsung/include/plat/s5pv210.h |  33 ------
 12 files changed, 158 insertions(+), 120 deletions(-)
 rename arch/arm/mach-s5pv210/{cpu.c => common.c} (68%)
 create mode 100644 arch/arm/mach-s5pv210/common.h
 delete mode 100644 arch/arm/mach-s5pv210/init.c
 delete mode 100644 arch/arm/plat-samsung/include/plat/s5pv210.h

diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 009fbe53df96..4c59186de957 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -10,18 +10,20 @@ obj-m				:=
 obj-n				:=
 obj-				:=
 
-# Core support for S5PV210 system
+# Core
+
+obj-y				+= common.o clock.o
 
-obj-$(CONFIG_CPU_S5PV210)	+= cpu.o init.o clock.o dma.o
-obj-$(CONFIG_CPU_S5PV210)	+= setup-i2c0.o
 obj-$(CONFIG_PM)		+= pm.o
 
+obj-y				+= dma.o
+
 # machine support
 
 obj-$(CONFIG_MACH_AQUILA)	+= mach-aquila.o
-obj-$(CONFIG_MACH_SMDKV210)	+= mach-smdkv210.o
-obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
 obj-$(CONFIG_MACH_GONI)		+= mach-goni.o
+obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
+obj-$(CONFIG_MACH_SMDKV210)	+= mach-smdkv210.o
 obj-$(CONFIG_MACH_TORBRECK)	+= mach-torbreck.o
 
 # device support
@@ -29,11 +31,12 @@ obj-$(CONFIG_MACH_TORBRECK)	+= mach-torbreck.o
 obj-y				+= dev-audio.o
 obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
 
+obj-y					+= setup-i2c0.o
 obj-$(CONFIG_S5PV210_SETUP_FB_24BPP)	+= setup-fb-24bpp.o
 obj-$(CONFIG_S5PV210_SETUP_FIMC)	+= setup-fimc.o
-obj-$(CONFIG_S5PV210_SETUP_I2C1) 	+= setup-i2c1.o
-obj-$(CONFIG_S5PV210_SETUP_I2C2) 	+= setup-i2c2.o
+obj-$(CONFIG_S5PV210_SETUP_I2C1)	+= setup-i2c1.o
+obj-$(CONFIG_S5PV210_SETUP_I2C2)	+= setup-i2c2.o
 obj-$(CONFIG_S5PV210_SETUP_IDE)		+= setup-ide.o
 obj-$(CONFIG_S5PV210_SETUP_KEYPAD)	+= setup-keypad.o
-obj-$(CONFIG_S5PV210_SETUP_SDHCI)       += setup-sdhci.o
+obj-$(CONFIG_S5PV210_SETUP_SDHCI)	+= setup-sdhci.o
 obj-$(CONFIG_S5PV210_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index 4c5ac7a69e9e..f2dbf5f75a2c 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -29,7 +29,8 @@
 #include <plat/pll.h>
 #include <plat/s5p-clock.h>
 #include <plat/clock-clksrc.h>
-#include <plat/s5pv210.h>
+
+#include "common.h"
 
 static unsigned long xtal;
 
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/common.c
similarity index 68%
rename from arch/arm/mach-s5pv210/cpu.c
rename to arch/arm/mach-s5pv210/common.c
index 84ec74633232..2899ee8f0806 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/common.c
@@ -1,12 +1,13 @@
-/* linux/arch/arm/mach-s5pv210/cpu.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
+ * Common Codes for S5PV210
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
-*/
+ */
 
 #include <linux/kernel.h>
 #include <linux/types.h>
@@ -21,33 +22,75 @@
 #include <linux/platform_device.h>
 #include <linux/sched.h>
 #include <linux/dma-mapping.h>
+#include <linux/serial_core.h>
 
+#include <asm/proc-fns.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
-#include <asm/proc-fns.h>
 #include <mach/map.h>
 #include <mach/regs-clock.h>
 
 #include <plat/cpu.h>
-#include <plat/devs.h>
 #include <plat/clock.h>
-#include <plat/fb-core.h>
-#include <plat/s5pv210.h>
+#include <plat/devs.h>
+#include <plat/reset.h>
+#include <plat/sdhci.h>
 #include <plat/adc-core.h>
 #include <plat/ata-core.h>
+#include <plat/fb-core.h>
 #include <plat/fimc-core.h>
 #include <plat/iic-core.h>
 #include <plat/keypad-core.h>
-#include <plat/sdhci.h>
-#include <plat/reset.h>
 #include <plat/tv-core.h>
+#include <plat/regs-serial.h>
+
+#include "common.h"
+
+static const char name_s5pv210[] = "S5PV210/S5PC110";
+
+static struct cpu_table cpu_ids[] __initdata = {
+	{
+		.idcode		= S5PV210_CPU_ID,
+		.idmask		= S5PV210_CPU_MASK,
+		.map_io		= s5pv210_map_io,
+		.init_clocks	= s5pv210_init_clocks,
+		.init_uarts	= s5pv210_init_uarts,
+		.init		= s5pv210_init,
+		.name		= name_s5pv210,
+	},
+};
 
 /* Initial IO mappings */
 
 static struct map_desc s5pv210_iodesc[] __initdata = {
 	{
+		.virtual	= (unsigned long)S5P_VA_CHIPID,
+		.pfn		= __phys_to_pfn(S5PV210_PA_CHIPID),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_SYS,
+		.pfn		= __phys_to_pfn(S5PV210_PA_SYSCON),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_TIMER,
+		.pfn		= __phys_to_pfn(S5PV210_PA_TIMER),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_WATCHDOG,
+		.pfn		= __phys_to_pfn(S5PV210_PA_WATCHDOG),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_SROMC,
+		.pfn		= __phys_to_pfn(S5PV210_PA_SROMC),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
 		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
 		.pfn		= __phys_to_pfn(S5PV210_PA_SYSTIMER),
 		.length		= SZ_4K,
@@ -113,14 +156,27 @@ static void s5pv210_sw_reset(void)
 	__raw_writel(0x1, S5P_SWRESET);
 }
 
-/* s5pv210_map_io
+/*
+ * s5pv210_map_io
  *
  * register the standard cpu IO areas
-*/
+ */
 
-void __init s5pv210_map_io(void)
+void __init s5pv210_init_io(struct map_desc *mach_desc, int size)
 {
+	/* initialize the io descriptors we need for initialization */
 	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
+	if (mach_desc)
+		iotable_init(mach_desc, size);
+
+	/* detect cpu id and rev. */
+	s5p_init_cpu(S5P_VA_CHIPID);
+
+	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
+}
+
+void __init s5pv210_map_io(void)
+{
 	init_consistent_dma_size(14 << 20);
 
 	/* initialise device information early */
@@ -186,7 +242,6 @@ static int __init s5pv210_core_init(void)
 {
 	return sysdev_class_register(&s5pv210_sysclass);
 }
-
 core_initcall(s5pv210_core_init);
 
 int __init s5pv210_init(void)
@@ -201,3 +256,29 @@ int __init s5pv210_init(void)
 
 	return sysdev_register(&s5pv210_sysdev);
 }
+
+static struct s3c24xx_uart_clksrc s5pv210_serial_clocks[] = {
+	[0] = {
+		.name		= "pclk",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+};
+
+/* uart registration process */
+
+void __init s5pv210_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	struct s3c2410_uartcfg *tcfg = cfg;
+	u32 ucnt;
+
+	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
+		if (!tcfg->clocks) {
+			tcfg->clocks = s5pv210_serial_clocks;
+			tcfg->clocks_size = ARRAY_SIZE(s5pv210_serial_clocks);
+		}
+	}
+
+	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
+}
diff --git a/arch/arm/mach-s5pv210/common.h b/arch/arm/mach-s5pv210/common.h
new file mode 100644
index 000000000000..f74ef965bba3
--- /dev/null
+++ b/arch/arm/mach-s5pv210/common.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Common Header for S5PV210 machines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ARCH_ARM_MACH_S5PV210_COMMON_H
+#define __ARCH_ARM_MACH_S5PV210_COMMON_H
+
+void s5pv210_init_io(struct map_desc *mach_desc, int size);
+void s5pv210_init_irq(void);
+
+void s5pv210_register_clocks(void);
+void s5pv210_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5PV210
+
+extern  int s5pv210_init(void);
+extern void s5pv210_map_io(void);
+extern void s5pv210_init_clocks(int xtal);
+extern void s5pv210_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+#else
+#define s5pv210_init_clocks NULL
+#define s5pv210_init_uarts NULL
+#define s5pv210_map_io NULL
+#define s5pv210_init NULL
+#endif
+
+#endif /* __ARCH_ARM_MACH_S5PV210_COMMON_H */
diff --git a/arch/arm/mach-s5pv210/init.c b/arch/arm/mach-s5pv210/init.c
deleted file mode 100644
index 4865ae2c475a..000000000000
--- a/arch/arm/mach-s5pv210/init.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/* linux/arch/arm/mach-s5pv210/init.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/serial_core.h>
-
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/s5pv210.h>
-#include <plat/regs-serial.h>
-
-static struct s3c24xx_uart_clksrc s5pv210_serial_clocks[] = {
-	[0] = {
-		.name		= "pclk",
-		.divisor	= 1,
-		.min_baud	= 0,
-		.max_baud	= 0,
-	},
-};
-
-/* uart registration process */
-void __init s5pv210_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	struct s3c2410_uartcfg *tcfg = cfg;
-	u32 ucnt;
-
-	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
-		if (!tcfg->clocks) {
-			tcfg->clocks = s5pv210_serial_clocks;
-			tcfg->clocks_size = ARRAY_SIZE(s5pv210_serial_clocks);
-		}
-	}
-
-	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
-}
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 5811a96125f0..261373923c17 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -32,7 +32,6 @@
 
 #include <plat/gpio-cfg.h>
 #include <plat/regs-serial.h>
-#include <plat/s5pv210.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/fb.h>
@@ -41,6 +40,8 @@
 #include <plat/s5p-time.h>
 #include <plat/regs-fb-v4.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define AQUILA_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -644,7 +645,7 @@ static void __init aquila_sound_init(void)
 
 static void __init aquila_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s5pv210_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(aquila_uartcfgs, ARRAY_SIZE(aquila_uartcfgs));
 	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index 15edcae448b9..b542f055d0c7 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -37,7 +37,6 @@
 
 #include <plat/gpio-cfg.h>
 #include <plat/regs-serial.h>
-#include <plat/s5pv210.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/fb.h>
@@ -54,6 +53,8 @@
 #include <media/s5p_fimc.h>
 #include <media/noon010pc30.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define GONI_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -890,7 +891,7 @@ static void __init goni_sound_init(void)
 
 static void __init goni_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s5pv210_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
 	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
diff --git a/arch/arm/mach-s5pv210/mach-smdkc110.c b/arch/arm/mach-s5pv210/mach-smdkc110.c
index f7266bb0cac8..7f55d94d89e0 100644
--- a/arch/arm/mach-s5pv210/mach-smdkc110.c
+++ b/arch/arm/mach-s5pv210/mach-smdkc110.c
@@ -24,7 +24,6 @@
 #include <mach/regs-clock.h>
 
 #include <plat/regs-serial.h>
-#include <plat/s5pv210.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/ata.h>
@@ -32,6 +31,8 @@
 #include <plat/pm.h>
 #include <plat/s5p-time.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define SMDKC110_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -109,7 +110,7 @@ static struct i2c_board_info smdkc110_i2c_devs2[] __initdata = {
 
 static void __init smdkc110_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s5pv210_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs));
 	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index a9106c392398..bc35e8261e5b 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -33,7 +33,6 @@
 #include <plat/regs-serial.h>
 #include <plat/regs-srom.h>
 #include <plat/gpio-cfg.h>
-#include <plat/s5pv210.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/adc.h>
@@ -47,6 +46,8 @@
 #include <plat/backlight.h>
 #include <plat/regs-fb-v4.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define SMDKV210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -277,7 +278,7 @@ static struct platform_pwm_backlight_data smdkv210_bl_data = {
 
 static void __init smdkv210_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s5pv210_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs));
 	s5p_set_timer_source(S5P_PWM2, S5P_PWM4);
diff --git a/arch/arm/mach-s5pv210/mach-torbreck.c b/arch/arm/mach-s5pv210/mach-torbreck.c
index 97cc066c5369..1669fe607d49 100644
--- a/arch/arm/mach-s5pv210/mach-torbreck.c
+++ b/arch/arm/mach-s5pv210/mach-torbreck.c
@@ -23,12 +23,13 @@
 #include <mach/regs-clock.h>
 
 #include <plat/regs-serial.h>
-#include <plat/s5pv210.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
 #include <plat/iic.h>
 #include <plat/s5p-time.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define TORBRECK_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -102,7 +103,7 @@ static struct i2c_board_info torbreck_i2c_devs2[] __initdata = {
 
 static void __init torbreck_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s5pv210_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(torbreck_uartcfgs, ARRAY_SIZE(torbreck_uartcfgs));
 	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
index 74bcd716f300..63c3fadf64ef 100644
--- a/arch/arm/plat-s5p/cpu.c
+++ b/arch/arm/plat-s5p/cpu.c
@@ -20,26 +20,16 @@
 #include <mach/regs-clock.h>
 
 #include <plat/cpu.h>
-#include <plat/s5pv210.h>
 #include <plat/exynos4.h>
 
 /* table of supported CPUs */
 
-static const char name_s5pv210[] = "S5PV210/S5PC110";
 static const char name_exynos4210[] = "EXYNOS4210";
 static const char name_exynos4212[] = "EXYNOS4212";
 static const char name_exynos4412[] = "EXYNOS4412";
 
 static struct cpu_table cpu_ids[] __initdata = {
 	{
-		.idcode		= S5PV210_CPU_ID,
-		.idmask		= S5PV210_CPU_MASK,
-		.map_io		= s5pv210_map_io,
-		.init_clocks	= s5pv210_init_clocks,
-		.init_uarts	= s5pv210_init_uarts,
-		.init		= s5pv210_init,
-		.name		= name_s5pv210,
-	}, {
 		.idcode		= EXYNOS4210_CPU_ID,
 		.idmask		= EXYNOS4_CPU_MASK,
 		.map_io		= exynos4_map_io,
diff --git a/arch/arm/plat-samsung/include/plat/s5pv210.h b/arch/arm/plat-samsung/include/plat/s5pv210.h
deleted file mode 100644
index b4bc6be77072..000000000000
--- a/arch/arm/plat-samsung/include/plat/s5pv210.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/s5pv210.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * Header file for s5pv210 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-/* Common init code for S5PV210 related SoCs */
-
-extern void s5pv210_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-extern void s5pv210_register_clocks(void);
-extern void s5pv210_setup_clocks(void);
-
-#ifdef CONFIG_CPU_S5PV210
-
-extern  int s5pv210_init(void);
-extern void s5pv210_init_irq(void);
-extern void s5pv210_map_io(void);
-extern void s5pv210_init_clocks(int xtal);
-
-#define s5pv210_init_uarts s5pv210_common_init_uarts
-
-#else
-#define s5pv210_init_clocks NULL
-#define s5pv210_init_uarts NULL
-#define s5pv210_map_io NULL
-#define s5pv210_init NULL
-#endif
-- 
GitLab


From 5f0a6e2d503896062f641639dacfe5055c2f593b Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 23 Dec 2011 21:51:06 -0800
Subject: [PATCH 1589/1594] Linux 3.2-rc7

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index a43733df3978..ea51081812f3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc7
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
-- 
GitLab


From cc511b8d84d88ab788cddbfe8d21485b1c387493 Mon Sep 17 00:00:00 2001
From: Kukjin Kim <kgene.kim@samsung.com>
Date: Tue, 27 Dec 2011 08:18:36 +0100
Subject: [PATCH 1590/1594] ARM: 7257/1: EXYNOS: introduce
 arch/arm/mach-exynos/common.[ch]

This patch introduces common.[ch] which are used only in the
arch/arm/mach-exynos/ directory. The common.c file merges
the cpu.c, init.c, irq-combiner.c and irq-eint.c files which
are used commonly on EXYNOS SoCs and the common.h file replaces
with plat/exynos4.h file.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-exynos/Makefile                |   9 +-
 arch/arm/mach-exynos/clock-exynos4210.c      |   3 +-
 arch/arm/mach-exynos/clock-exynos4212.c      |   3 +-
 arch/arm/mach-exynos/clock.c                 |   3 +-
 arch/arm/mach-exynos/common.c                | 723 +++++++++++++++++++
 arch/arm/mach-exynos/common.h                |  39 +
 arch/arm/mach-exynos/cpu.c                   | 298 --------
 arch/arm/mach-exynos/include/mach/map.h      |  12 +-
 arch/arm/mach-exynos/init.c                  |  42 --
 arch/arm/mach-exynos/irq-combiner.c          | 124 ----
 arch/arm/mach-exynos/irq-eint.c              | 237 ------
 arch/arm/mach-exynos/mach-armlex4210.c       |   5 +-
 arch/arm/mach-exynos/mach-nuri.c             |   5 +-
 arch/arm/mach-exynos/mach-origen.c           |   5 +-
 arch/arm/mach-exynos/mach-smdk4x12.c         |   5 +-
 arch/arm/mach-exynos/mach-smdkv310.c         |   5 +-
 arch/arm/mach-exynos/mach-universal_c210.c   |   5 +-
 arch/arm/plat-s5p/Makefile                   |   1 -
 arch/arm/plat-s5p/cpu.c                      | 104 ---
 arch/arm/plat-samsung/include/plat/cpu.h     |   2 -
 arch/arm/plat-samsung/include/plat/exynos4.h |  35 -
 21 files changed, 793 insertions(+), 872 deletions(-)
 create mode 100644 arch/arm/mach-exynos/common.c
 create mode 100644 arch/arm/mach-exynos/common.h
 delete mode 100644 arch/arm/mach-exynos/cpu.c
 delete mode 100644 arch/arm/mach-exynos/init.c
 delete mode 100644 arch/arm/mach-exynos/irq-combiner.c
 delete mode 100644 arch/arm/mach-exynos/irq-eint.c
 delete mode 100644 arch/arm/plat-s5p/cpu.c
 delete mode 100644 arch/arm/plat-samsung/include/plat/exynos4.h

diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 59069a35e40b..bcb9efc576e9 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -10,15 +10,17 @@ obj-m				:=
 obj-n				:=
 obj-				:=
 
-# Core support for EXYNOS4 system
+# Core
 
-obj-$(CONFIG_ARCH_EXYNOS4)	+= cpu.o init.o clock.o irq-combiner.o setup-i2c0.o
-obj-$(CONFIG_ARCH_EXYNOS4)	+= irq-eint.o dma.o pmu.o
+obj-$(CONFIG_ARCH_EXYNOS4)	+= common.o clock.o
 obj-$(CONFIG_CPU_EXYNOS4210)	+= clock-exynos4210.o
 obj-$(CONFIG_SOC_EXYNOS4212)	+= clock-exynos4212.o
+
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_CPU_IDLE)		+= cpuidle.o
 
+obj-$(CONFIG_ARCH_EXYNOS4)	+= dma.o pmu.o
+
 obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
 
 obj-$(CONFIG_EXYNOS4_MCT)	+= mct.o
@@ -45,6 +47,7 @@ obj-$(CONFIG_EXYNOS4_DEV_PD)		+= dev-pd.o
 obj-$(CONFIG_EXYNOS4_DEV_SYSMMU)	+= dev-sysmmu.o
 obj-$(CONFIG_EXYNOS4_DEV_DWMCI)		+= dev-dwmci.o
 
+obj-$(CONFIG_ARCH_EXYNOS4)		+= setup-i2c0.o
 obj-$(CONFIG_EXYNOS4_SETUP_FIMC)	+= setup-fimc.o
 obj-$(CONFIG_EXYNOS4_SETUP_FIMD0)	+= setup-fimd0.o
 obj-$(CONFIG_EXYNOS4_SETUP_I2C1)	+= setup-i2c1.o
diff --git a/arch/arm/mach-exynos/clock-exynos4210.c b/arch/arm/mach-exynos/clock-exynos4210.c
index b9d5ef670eb4..a5823a7f249e 100644
--- a/arch/arm/mach-exynos/clock-exynos4210.c
+++ b/arch/arm/mach-exynos/clock-exynos4210.c
@@ -23,7 +23,6 @@
 #include <plat/pll.h>
 #include <plat/s5p-clock.h>
 #include <plat/clock-clksrc.h>
-#include <plat/exynos4.h>
 #include <plat/pm.h>
 
 #include <mach/hardware.h>
@@ -31,6 +30,8 @@
 #include <mach/regs-clock.h>
 #include <mach/exynos4-clock.h>
 
+#include "common.h"
+
 static struct sleep_save exynos4210_clock_save[] = {
 	SAVE_ITEM(S5P_CLKSRC_IMAGE),
 	SAVE_ITEM(S5P_CLKSRC_LCD1),
diff --git a/arch/arm/mach-exynos/clock-exynos4212.c b/arch/arm/mach-exynos/clock-exynos4212.c
index 77d5decb34fd..26a668b0d101 100644
--- a/arch/arm/mach-exynos/clock-exynos4212.c
+++ b/arch/arm/mach-exynos/clock-exynos4212.c
@@ -23,7 +23,6 @@
 #include <plat/pll.h>
 #include <plat/s5p-clock.h>
 #include <plat/clock-clksrc.h>
-#include <plat/exynos4.h>
 #include <plat/pm.h>
 
 #include <mach/hardware.h>
@@ -31,6 +30,8 @@
 #include <mach/regs-clock.h>
 #include <mach/exynos4-clock.h>
 
+#include "common.h"
+
 static struct sleep_save exynos4212_clock_save[] = {
 	SAVE_ITEM(S5P_CLKSRC_IMAGE),
 	SAVE_ITEM(S5P_CLKDIV_IMAGE),
diff --git a/arch/arm/mach-exynos/clock.c b/arch/arm/mach-exynos/clock.c
index 2894f0adef5c..83616a039b15 100644
--- a/arch/arm/mach-exynos/clock.c
+++ b/arch/arm/mach-exynos/clock.c
@@ -21,7 +21,6 @@
 #include <plat/pll.h>
 #include <plat/s5p-clock.h>
 #include <plat/clock-clksrc.h>
-#include <plat/exynos4.h>
 #include <plat/pm.h>
 
 #include <mach/map.h>
@@ -29,6 +28,8 @@
 #include <mach/sysmmu.h>
 #include <mach/exynos4-clock.h>
 
+#include "common.h"
+
 static struct sleep_save exynos4_clock_save[] = {
 	SAVE_ITEM(S5P_CLKDIV_LEFTBUS),
 	SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS),
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
new file mode 100644
index 000000000000..eecac125307a
--- /dev/null
+++ b/arch/arm/mach-exynos/common.c
@@ -0,0 +1,723 @@
+/*
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Common Codes for EXYNOS
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/gpio.h>
+#include <linux/sched.h>
+#include <linux/serial_core.h>
+
+#include <asm/proc-fns.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/hardware/gic.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/regs-irq.h>
+#include <mach/regs-pmu.h>
+#include <mach/regs-gpio.h>
+
+#include <plat/cpu.h>
+#include <plat/clock.h>
+#include <plat/devs.h>
+#include <plat/pm.h>
+#include <plat/reset.h>
+#include <plat/sdhci.h>
+#include <plat/gpio-cfg.h>
+#include <plat/adc-core.h>
+#include <plat/fb-core.h>
+#include <plat/fimc-core.h>
+#include <plat/iic-core.h>
+#include <plat/tv-core.h>
+#include <plat/regs-serial.h>
+
+#include "common.h"
+
+unsigned int gic_bank_offset __read_mostly;
+
+static const char name_exynos4210[] = "EXYNOS4210";
+static const char name_exynos4212[] = "EXYNOS4212";
+static const char name_exynos4412[] = "EXYNOS4412";
+
+static struct cpu_table cpu_ids[] __initdata = {
+	{
+		.idcode		= EXYNOS4210_CPU_ID,
+		.idmask		= EXYNOS4_CPU_MASK,
+		.map_io		= exynos4_map_io,
+		.init_clocks	= exynos4_init_clocks,
+		.init_uarts	= exynos4_init_uarts,
+		.init		= exynos_init,
+		.name		= name_exynos4210,
+	}, {
+		.idcode		= EXYNOS4212_CPU_ID,
+		.idmask		= EXYNOS4_CPU_MASK,
+		.map_io		= exynos4_map_io,
+		.init_clocks	= exynos4_init_clocks,
+		.init_uarts	= exynos4_init_uarts,
+		.init		= exynos_init,
+		.name		= name_exynos4212,
+	}, {
+		.idcode		= EXYNOS4412_CPU_ID,
+		.idmask		= EXYNOS4_CPU_MASK,
+		.map_io		= exynos4_map_io,
+		.init_clocks	= exynos4_init_clocks,
+		.init_uarts	= exynos4_init_uarts,
+		.init		= exynos_init,
+		.name		= name_exynos4412,
+	},
+};
+
+/* Initial IO mappings */
+
+static struct map_desc exynos_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_CHIPID,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_CHIPID),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_SYS,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SYSCON),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_TIMER,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_TIMER),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_WATCHDOG,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_WATCHDOG),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_SROMC,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SROMC),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SYSTIMER),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_PMU,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_PMU),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_COMBINER_BASE,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_COMBINER),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_GIC_CPU,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_GIC_CPU),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_GIC_DIST,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_GIC_DIST),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_UART,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_UART),
+		.length		= SZ_512K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static struct map_desc exynos4_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_CMU,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_CMU),
+		.length		= SZ_128K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_COREPERI_BASE,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_COREPERI),
+		.length		= SZ_8K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_L2CC,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_L2CC),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_GPIO1,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO1),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_GPIO2,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO2),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_GPIO3,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO3),
+		.length		= SZ_256,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_DMC0,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_DMC0),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_SROMC,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SROMC),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_USB_HSPHY,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_HSPHY),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static struct map_desc exynos4_iodesc0[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_SYSRAM,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SYSRAM0),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static struct map_desc exynos4_iodesc1[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_SYSRAM,
+		.pfn		= __phys_to_pfn(EXYNOS4_PA_SYSRAM1),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static void exynos_idle(void)
+{
+	if (!need_resched())
+		cpu_do_idle();
+
+	local_irq_enable();
+}
+
+static void exynos4_sw_reset(void)
+{
+	__raw_writel(0x1, S5P_SWRESET);
+}
+
+/*
+ * exynos_map_io
+ *
+ * register the standard cpu IO areas
+ */
+
+void __init exynos_init_io(struct map_desc *mach_desc, int size)
+{
+	/* initialize the io descriptors we need for initialization */
+	iotable_init(exynos_iodesc, ARRAY_SIZE(exynos_iodesc));
+	if (mach_desc)
+		iotable_init(mach_desc, size);
+
+	/* detect cpu id and rev. */
+	s5p_init_cpu(S5P_VA_CHIPID);
+
+	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
+}
+
+void __init exynos4_map_io(void)
+{
+	iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
+
+	if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
+		iotable_init(exynos4_iodesc0, ARRAY_SIZE(exynos4_iodesc0));
+	else
+		iotable_init(exynos4_iodesc1, ARRAY_SIZE(exynos4_iodesc1));
+
+	/* initialize device information early */
+	exynos4_default_sdhci0();
+	exynos4_default_sdhci1();
+	exynos4_default_sdhci2();
+	exynos4_default_sdhci3();
+
+	s3c_adc_setname("samsung-adc-v3");
+
+	s3c_fimc_setname(0, "exynos4-fimc");
+	s3c_fimc_setname(1, "exynos4-fimc");
+	s3c_fimc_setname(2, "exynos4-fimc");
+	s3c_fimc_setname(3, "exynos4-fimc");
+
+	/* The I2C bus controllers are directly compatible with s3c2440 */
+	s3c_i2c0_setname("s3c2440-i2c");
+	s3c_i2c1_setname("s3c2440-i2c");
+	s3c_i2c2_setname("s3c2440-i2c");
+
+	s5p_fb_setname(0, "exynos4-fb");
+	s5p_hdmi_setname("exynos4-hdmi");
+}
+
+void __init exynos4_init_clocks(int xtal)
+{
+	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
+	s3c24xx_register_baseclocks(xtal);
+	s5p_register_clocks(xtal);
+
+	if (soc_is_exynos4210())
+		exynos4210_register_clocks();
+	else if (soc_is_exynos4212() || soc_is_exynos4412())
+		exynos4212_register_clocks();
+
+	exynos4_register_clocks();
+	exynos4_setup_clocks();
+}
+
+#define COMBINER_ENABLE_SET	0x0
+#define COMBINER_ENABLE_CLEAR	0x4
+#define COMBINER_INT_STATUS	0xC
+
+static DEFINE_SPINLOCK(irq_controller_lock);
+
+struct combiner_chip_data {
+	unsigned int irq_offset;
+	unsigned int irq_mask;
+	void __iomem *base;
+};
+
+static struct combiner_chip_data combiner_data[MAX_COMBINER_NR];
+
+static inline void __iomem *combiner_base(struct irq_data *data)
+{
+	struct combiner_chip_data *combiner_data =
+		irq_data_get_irq_chip_data(data);
+
+	return combiner_data->base;
+}
+
+static void combiner_mask_irq(struct irq_data *data)
+{
+	u32 mask = 1 << (data->irq % 32);
+
+	__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
+}
+
+static void combiner_unmask_irq(struct irq_data *data)
+{
+	u32 mask = 1 << (data->irq % 32);
+
+	__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
+}
+
+static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
+{
+	struct combiner_chip_data *chip_data = irq_get_handler_data(irq);
+	struct irq_chip *chip = irq_get_chip(irq);
+	unsigned int cascade_irq, combiner_irq;
+	unsigned long status;
+
+	chained_irq_enter(chip, desc);
+
+	spin_lock(&irq_controller_lock);
+	status = __raw_readl(chip_data->base + COMBINER_INT_STATUS);
+	spin_unlock(&irq_controller_lock);
+	status &= chip_data->irq_mask;
+
+	if (status == 0)
+		goto out;
+
+	combiner_irq = __ffs(status);
+
+	cascade_irq = combiner_irq + (chip_data->irq_offset & ~31);
+	if (unlikely(cascade_irq >= NR_IRQS))
+		do_bad_IRQ(cascade_irq, desc);
+	else
+		generic_handle_irq(cascade_irq);
+
+ out:
+	chained_irq_exit(chip, desc);
+}
+
+static struct irq_chip combiner_chip = {
+	.name		= "COMBINER",
+	.irq_mask	= combiner_mask_irq,
+	.irq_unmask	= combiner_unmask_irq,
+};
+
+static void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq)
+{
+	if (combiner_nr >= MAX_COMBINER_NR)
+		BUG();
+	if (irq_set_handler_data(irq, &combiner_data[combiner_nr]) != 0)
+		BUG();
+	irq_set_chained_handler(irq, combiner_handle_cascade_irq);
+}
+
+static void __init combiner_init(unsigned int combiner_nr, void __iomem *base,
+			  unsigned int irq_start)
+{
+	unsigned int i;
+
+	if (combiner_nr >= MAX_COMBINER_NR)
+		BUG();
+
+	combiner_data[combiner_nr].base = base;
+	combiner_data[combiner_nr].irq_offset = irq_start;
+	combiner_data[combiner_nr].irq_mask = 0xff << ((combiner_nr % 4) << 3);
+
+	/* Disable all interrupts */
+
+	__raw_writel(combiner_data[combiner_nr].irq_mask,
+		     base + COMBINER_ENABLE_CLEAR);
+
+	/* Setup the Linux IRQ subsystem */
+
+	for (i = irq_start; i < combiner_data[combiner_nr].irq_offset
+				+ MAX_IRQ_IN_COMBINER; i++) {
+		irq_set_chip_and_handler(i, &combiner_chip, handle_level_irq);
+		irq_set_chip_data(i, &combiner_data[combiner_nr]);
+		set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
+	}
+}
+
+static void exynos4_gic_irq_fix_base(struct irq_data *d)
+{
+	struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d);
+
+	gic_data->cpu_base = S5P_VA_GIC_CPU +
+			    (gic_bank_offset * smp_processor_id());
+
+	gic_data->dist_base = S5P_VA_GIC_DIST +
+			    (gic_bank_offset * smp_processor_id());
+}
+
+void __init exynos4_init_irq(void)
+{
+	int irq;
+
+	gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000;
+
+	gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
+	gic_arch_extn.irq_eoi = exynos4_gic_irq_fix_base;
+	gic_arch_extn.irq_unmask = exynos4_gic_irq_fix_base;
+	gic_arch_extn.irq_mask = exynos4_gic_irq_fix_base;
+
+	for (irq = 0; irq < MAX_COMBINER_NR; irq++) {
+
+		combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
+				COMBINER_IRQ(irq, 0));
+		combiner_cascade_irq(irq, IRQ_SPI(irq));
+	}
+
+	/*
+	 * The parameters of s5p_init_irq() are for VIC init.
+	 * Theses parameters should be NULL and 0 because EXYNOS4
+	 * uses GIC instead of VIC.
+	 */
+	s5p_init_irq(NULL, 0);
+}
+
+struct sysdev_class exynos4_sysclass = {
+	.name	= "exynos4-core",
+};
+
+static struct sys_device exynos4_sysdev = {
+	.cls	= &exynos4_sysclass,
+};
+
+static int __init exynos4_core_init(void)
+{
+	return sysdev_class_register(&exynos4_sysclass);
+}
+core_initcall(exynos4_core_init);
+
+#ifdef CONFIG_CACHE_L2X0
+static int __init exynos4_l2x0_cache_init(void)
+{
+	/* TAG, Data Latency Control: 2cycle */
+	__raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
+
+	if (soc_is_exynos4210())
+		__raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
+	else if (soc_is_exynos4212() || soc_is_exynos4412())
+		__raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
+
+	/* L2X0 Prefetch Control */
+	__raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL);
+
+	/* L2X0 Power Control */
+	__raw_writel(L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN,
+		     S5P_VA_L2CC + L2X0_POWER_CTRL);
+
+	l2x0_init(S5P_VA_L2CC, 0x7C470001, 0xC200ffff);
+
+	return 0;
+}
+
+early_initcall(exynos4_l2x0_cache_init);
+#endif
+
+int __init exynos_init(void)
+{
+	printk(KERN_INFO "EXYNOS: Initializing architecture\n");
+
+	/* set idle function */
+	pm_idle = exynos_idle;
+
+	/* set sw_reset function */
+	if (soc_is_exynos4210() || soc_is_exynos4212() || soc_is_exynos4412())
+		s5p_reset_hook = exynos4_sw_reset;
+
+	return sysdev_register(&exynos4_sysdev);
+}
+
+static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = {
+	[0] = {
+		.name		= "uclk1",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+};
+
+/* uart registration process */
+
+void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	struct s3c2410_uartcfg *tcfg = cfg;
+	u32 ucnt;
+
+	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
+		if (!tcfg->clocks) {
+			tcfg->has_fracval = 1;
+			tcfg->clocks = exynos4_serial_clocks;
+			tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
+		}
+		tcfg->flags |= NO_NEED_CHECK_CLKSRC;
+	}
+
+	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
+}
+
+static DEFINE_SPINLOCK(eint_lock);
+
+static unsigned int eint0_15_data[16];
+
+static unsigned int exynos4_get_irq_nr(unsigned int number)
+{
+	u32 ret = 0;
+
+	switch (number) {
+	case 0 ... 3:
+		ret = (number + IRQ_EINT0);
+		break;
+	case 4 ... 7:
+		ret = (number + (IRQ_EINT4 - 4));
+		break;
+	case 8 ... 15:
+		ret = (number + (IRQ_EINT8 - 8));
+		break;
+	default:
+		printk(KERN_ERR "number available : %d\n", number);
+	}
+
+	return ret;
+}
+
+static inline void exynos4_irq_eint_mask(struct irq_data *data)
+{
+	u32 mask;
+
+	spin_lock(&eint_lock);
+	mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
+	mask |= eint_irq_to_bit(data->irq);
+	__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
+	spin_unlock(&eint_lock);
+}
+
+static void exynos4_irq_eint_unmask(struct irq_data *data)
+{
+	u32 mask;
+
+	spin_lock(&eint_lock);
+	mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
+	mask &= ~(eint_irq_to_bit(data->irq));
+	__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
+	spin_unlock(&eint_lock);
+}
+
+static inline void exynos4_irq_eint_ack(struct irq_data *data)
+{
+	__raw_writel(eint_irq_to_bit(data->irq),
+		     S5P_EINT_PEND(EINT_REG_NR(data->irq)));
+}
+
+static void exynos4_irq_eint_maskack(struct irq_data *data)
+{
+	exynos4_irq_eint_mask(data);
+	exynos4_irq_eint_ack(data);
+}
+
+static int exynos4_irq_eint_set_type(struct irq_data *data, unsigned int type)
+{
+	int offs = EINT_OFFSET(data->irq);
+	int shift;
+	u32 ctrl, mask;
+	u32 newvalue = 0;
+
+	switch (type) {
+	case IRQ_TYPE_EDGE_RISING:
+		newvalue = S5P_IRQ_TYPE_EDGE_RISING;
+		break;
+
+	case IRQ_TYPE_EDGE_FALLING:
+		newvalue = S5P_IRQ_TYPE_EDGE_FALLING;
+		break;
+
+	case IRQ_TYPE_EDGE_BOTH:
+		newvalue = S5P_IRQ_TYPE_EDGE_BOTH;
+		break;
+
+	case IRQ_TYPE_LEVEL_LOW:
+		newvalue = S5P_IRQ_TYPE_LEVEL_LOW;
+		break;
+
+	case IRQ_TYPE_LEVEL_HIGH:
+		newvalue = S5P_IRQ_TYPE_LEVEL_HIGH;
+		break;
+
+	default:
+		printk(KERN_ERR "No such irq type %d", type);
+		return -EINVAL;
+	}
+
+	shift = (offs & 0x7) * 4;
+	mask = 0x7 << shift;
+
+	spin_lock(&eint_lock);
+	ctrl = __raw_readl(S5P_EINT_CON(EINT_REG_NR(data->irq)));
+	ctrl &= ~mask;
+	ctrl |= newvalue << shift;
+	__raw_writel(ctrl, S5P_EINT_CON(EINT_REG_NR(data->irq)));
+	spin_unlock(&eint_lock);
+
+	switch (offs) {
+	case 0 ... 7:
+		s3c_gpio_cfgpin(EINT_GPIO_0(offs & 0x7), EINT_MODE);
+		break;
+	case 8 ... 15:
+		s3c_gpio_cfgpin(EINT_GPIO_1(offs & 0x7), EINT_MODE);
+		break;
+	case 16 ... 23:
+		s3c_gpio_cfgpin(EINT_GPIO_2(offs & 0x7), EINT_MODE);
+		break;
+	case 24 ... 31:
+		s3c_gpio_cfgpin(EINT_GPIO_3(offs & 0x7), EINT_MODE);
+		break;
+	default:
+		printk(KERN_ERR "No such irq number %d", offs);
+	}
+
+	return 0;
+}
+
+static struct irq_chip exynos4_irq_eint = {
+	.name		= "exynos4-eint",
+	.irq_mask	= exynos4_irq_eint_mask,
+	.irq_unmask	= exynos4_irq_eint_unmask,
+	.irq_mask_ack	= exynos4_irq_eint_maskack,
+	.irq_ack	= exynos4_irq_eint_ack,
+	.irq_set_type	= exynos4_irq_eint_set_type,
+#ifdef CONFIG_PM
+	.irq_set_wake	= s3c_irqext_wake,
+#endif
+};
+
+/*
+ * exynos4_irq_demux_eint
+ *
+ * This function demuxes the IRQ from from EINTs 16 to 31.
+ * It is designed to be inlined into the specific handler
+ * s5p_irq_demux_eintX_Y.
+ *
+ * Each EINT pend/mask registers handle eight of them.
+ */
+static inline void exynos4_irq_demux_eint(unsigned int start)
+{
+	unsigned int irq;
+
+	u32 status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
+	u32 mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(start)));
+
+	status &= ~mask;
+	status &= 0xff;
+
+	while (status) {
+		irq = fls(status) - 1;
+		generic_handle_irq(irq + start);
+		status &= ~(1 << irq);
+	}
+}
+
+static void exynos4_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
+{
+	struct irq_chip *chip = irq_get_chip(irq);
+	chained_irq_enter(chip, desc);
+	exynos4_irq_demux_eint(IRQ_EINT(16));
+	exynos4_irq_demux_eint(IRQ_EINT(24));
+	chained_irq_exit(chip, desc);
+}
+
+static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
+{
+	u32 *irq_data = irq_get_handler_data(irq);
+	struct irq_chip *chip = irq_get_chip(irq);
+
+	chained_irq_enter(chip, desc);
+	chip->irq_mask(&desc->irq_data);
+
+	if (chip->irq_ack)
+		chip->irq_ack(&desc->irq_data);
+
+	generic_handle_irq(*irq_data);
+
+	chip->irq_unmask(&desc->irq_data);
+	chained_irq_exit(chip, desc);
+}
+
+int __init exynos4_init_irq_eint(void)
+{
+	int irq;
+
+	for (irq = 0 ; irq <= 31 ; irq++) {
+		irq_set_chip_and_handler(IRQ_EINT(irq), &exynos4_irq_eint,
+					 handle_level_irq);
+		set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
+	}
+
+	irq_set_chained_handler(IRQ_EINT16_31, exynos4_irq_demux_eint16_31);
+
+	for (irq = 0 ; irq <= 15 ; irq++) {
+		eint0_15_data[irq] = IRQ_EINT(irq);
+
+		irq_set_handler_data(exynos4_get_irq_nr(irq),
+				     &eint0_15_data[irq]);
+		irq_set_chained_handler(exynos4_get_irq_nr(irq),
+					exynos4_irq_eint0_15);
+	}
+
+	return 0;
+}
+arch_initcall(exynos4_init_irq_eint);
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
new file mode 100644
index 000000000000..0476c5f08871
--- /dev/null
+++ b/arch/arm/mach-exynos/common.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Common Header for EXYNOS machines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
+#define __ARCH_ARM_MACH_EXYNOS_COMMON_H
+
+void exynos_init_io(struct map_desc *mach_desc, int size);
+void exynos4_init_irq(void);
+
+void exynos4_register_clocks(void);
+void exynos4_setup_clocks(void);
+
+void exynos4210_register_clocks(void);
+void exynos4212_register_clocks(void);
+
+extern struct sys_timer exynos4_timer;
+
+#ifdef CONFIG_ARCH_EXYNOS
+extern  int exynos_init(void);
+extern void exynos4_map_io(void);
+extern void exynos4_init_clocks(int xtal);
+extern void exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+#else
+#define exynos4_init_clocks NULL
+#define exynos4_init_uarts NULL
+#define exynos4_map_io NULL
+#define exynos_init NULL
+#endif
+
+#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
diff --git a/arch/arm/mach-exynos/cpu.c b/arch/arm/mach-exynos/cpu.c
deleted file mode 100644
index 90ec247f3b37..000000000000
--- a/arch/arm/mach-exynos/cpu.c
+++ /dev/null
@@ -1,298 +0,0 @@
-/* linux/arch/arm/mach-exynos/cpu.c
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/sched.h>
-#include <linux/sysdev.h>
-
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <asm/proc-fns.h>
-#include <asm/hardware/cache-l2x0.h>
-#include <asm/hardware/gic.h>
-
-#include <plat/cpu.h>
-#include <plat/clock.h>
-#include <plat/devs.h>
-#include <plat/exynos4.h>
-#include <plat/adc-core.h>
-#include <plat/sdhci.h>
-#include <plat/fb-core.h>
-#include <plat/fimc-core.h>
-#include <plat/iic-core.h>
-#include <plat/reset.h>
-#include <plat/tv-core.h>
-
-#include <mach/regs-irq.h>
-#include <mach/regs-pmu.h>
-
-unsigned int gic_bank_offset __read_mostly;
-
-extern int combiner_init(unsigned int combiner_nr, void __iomem *base,
-			 unsigned int irq_start);
-extern void combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq);
-
-/* Initial IO mappings */
-static struct map_desc exynos_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
-		.pfn		= __phys_to_pfn(EXYNOS_PA_SYSTIMER),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_PMU,
-		.pfn		= __phys_to_pfn(EXYNOS_PA_PMU),
-		.length		= SZ_64K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_COMBINER_BASE,
-		.pfn		= __phys_to_pfn(EXYNOS_PA_COMBINER),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GIC_CPU,
-		.pfn		= __phys_to_pfn(EXYNOS_PA_GIC_CPU),
-		.length		= SZ_64K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GIC_DIST,
-		.pfn		= __phys_to_pfn(EXYNOS_PA_GIC_DIST),
-		.length		= SZ_64K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_UART,
-		.pfn		= __phys_to_pfn(S3C_PA_UART),
-		.length		= SZ_512K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static struct map_desc exynos4_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5P_VA_CMU,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_CMU),
-		.length		= SZ_128K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_COREPERI_BASE,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_COREPERI),
-		.length		= SZ_8K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_L2CC,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_L2CC),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO1,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO1),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO2,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO2),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO3,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_GPIO3),
-		.length		= SZ_256,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_DMC0,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_DMC0),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_SROMC,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_SROMC),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_USB_HSPHY,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_HSPHY),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static struct map_desc exynos4_iodesc0[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5P_VA_SYSRAM,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_SYSRAM0),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static struct map_desc exynos4_iodesc1[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5P_VA_SYSRAM,
-		.pfn		= __phys_to_pfn(EXYNOS4_PA_SYSRAM1),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static void exynos_idle(void)
-{
-	if (!need_resched())
-		cpu_do_idle();
-
-	local_irq_enable();
-}
-
-static void exynos4_sw_reset(void)
-{
-	__raw_writel(0x1, S5P_SWRESET);
-}
-
-/*
- * exynos_map_io
- *
- * register the standard cpu IO areas
- */
-void __init exynos4_map_io(void)
-{
-	iotable_init(exynos_iodesc, ARRAY_SIZE(exynos_iodesc));
-	iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
-
-	if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
-		iotable_init(exynos4_iodesc0, ARRAY_SIZE(exynos4_iodesc0));
-	else
-		iotable_init(exynos4_iodesc1, ARRAY_SIZE(exynos4_iodesc1));
-
-	/* initialize device information early */
-	exynos4_default_sdhci0();
-	exynos4_default_sdhci1();
-	exynos4_default_sdhci2();
-	exynos4_default_sdhci3();
-
-	s3c_adc_setname("samsung-adc-v3");
-
-	s3c_fimc_setname(0, "exynos4-fimc");
-	s3c_fimc_setname(1, "exynos4-fimc");
-	s3c_fimc_setname(2, "exynos4-fimc");
-	s3c_fimc_setname(3, "exynos4-fimc");
-
-	/* The I2C bus controllers are directly compatible with s3c2440 */
-	s3c_i2c0_setname("s3c2440-i2c");
-	s3c_i2c1_setname("s3c2440-i2c");
-	s3c_i2c2_setname("s3c2440-i2c");
-
-	s5p_fb_setname(0, "exynos4-fb");
-	s5p_hdmi_setname("exynos4-hdmi");
-}
-
-void __init exynos4_init_clocks(int xtal)
-{
-	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
-
-	s3c24xx_register_baseclocks(xtal);
-	s5p_register_clocks(xtal);
-
-	if (soc_is_exynos4210())
-		exynos4210_register_clocks();
-	else if (soc_is_exynos4212() || soc_is_exynos4412())
-		exynos4212_register_clocks();
-
-	exynos4_register_clocks();
-	exynos4_setup_clocks();
-}
-
-static void exynos4_gic_irq_fix_base(struct irq_data *d)
-{
-	struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d);
-
-	gic_data->cpu_base = S5P_VA_GIC_CPU +
-			    (gic_bank_offset * smp_processor_id());
-
-	gic_data->dist_base = S5P_VA_GIC_DIST +
-			    (gic_bank_offset * smp_processor_id());
-}
-
-void __init exynos4_init_irq(void)
-{
-	int irq;
-
-	gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000;
-
-	gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
-	gic_arch_extn.irq_eoi = exynos4_gic_irq_fix_base;
-	gic_arch_extn.irq_unmask = exynos4_gic_irq_fix_base;
-	gic_arch_extn.irq_mask = exynos4_gic_irq_fix_base;
-
-	for (irq = 0; irq < MAX_COMBINER_NR; irq++) {
-
-		combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
-				COMBINER_IRQ(irq, 0));
-		combiner_cascade_irq(irq, IRQ_SPI(irq));
-	}
-
-	/* The parameters of s5p_init_irq() are for VIC init.
-	 * Theses parameters should be NULL and 0 because EXYNOS4
-	 * uses GIC instead of VIC.
-	 */
-	s5p_init_irq(NULL, 0);
-}
-
-struct sysdev_class exynos4_sysclass = {
-	.name	= "exynos4-core",
-};
-
-static struct sys_device exynos4_sysdev = {
-	.cls	= &exynos4_sysclass,
-};
-
-static int __init exynos4_core_init(void)
-{
-	return sysdev_class_register(&exynos4_sysclass);
-}
-core_initcall(exynos4_core_init);
-
-#ifdef CONFIG_CACHE_L2X0
-static int __init exynos4_l2x0_cache_init(void)
-{
-	/* TAG, Data Latency Control: 2cycle */
-	__raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
-
-	if (soc_is_exynos4210())
-		__raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
-	else if (soc_is_exynos4212() || soc_is_exynos4412())
-		__raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
-
-	/* L2X0 Prefetch Control */
-	__raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL);
-
-	/* L2X0 Power Control */
-	__raw_writel(L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN,
-		     S5P_VA_L2CC + L2X0_POWER_CTRL);
-
-	l2x0_init(S5P_VA_L2CC, 0x7C470001, 0xC200ffff);
-
-	return 0;
-}
-
-early_initcall(exynos4_l2x0_cache_init);
-#endif
-
-int __init exynos_init(void)
-{
-	printk(KERN_INFO "EXYNOS: Initializing architecture\n");
-
-	/* set idle function */
-	pm_idle = exynos_idle;
-
-	/* set sw_reset function */
-	if (soc_is_exynos4210() || soc_is_exynos4212() || soc_is_exynos4412())
-		s5p_reset_hook = exynos4_sw_reset;
-
-	return sysdev_register(&exynos4_sysdev);
-}
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 058541d45af0..d1829860a0ec 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -149,7 +149,6 @@
 #define S3C_PA_WDT			EXYNOS4_PA_WATCHDOG
 #define S3C_PA_UART			EXYNOS4_PA_UART
 
-#define S5P_PA_CHIPID			EXYNOS4_PA_CHIPID
 #define S5P_PA_EHCI			EXYNOS4_PA_EHCI
 #define S5P_PA_FIMC0			EXYNOS4_PA_FIMC0
 #define S5P_PA_FIMC1			EXYNOS4_PA_FIMC1
@@ -166,26 +165,17 @@
 #define S5P_PA_ONENAND_DMA		EXYNOS4_PA_ONENAND_DMA
 #define S5P_PA_SDO			EXYNOS4_PA_SDO
 #define S5P_PA_SDRAM			EXYNOS4_PA_SDRAM
-#define S5P_PA_SROMC			EXYNOS4_PA_SROMC
-#define S5P_PA_SYSCON			EXYNOS4_PA_SYSCON
-#define S5P_PA_TIMER			EXYNOS4_PA_TIMER
 #define S5P_PA_VP			EXYNOS4_PA_VP
 
 #define SAMSUNG_PA_ADC			EXYNOS4_PA_ADC
 #define SAMSUNG_PA_ADC1			EXYNOS4_PA_ADC1
 #define SAMSUNG_PA_KEYPAD		EXYNOS4_PA_KEYPAD
 
-#define EXYNOS_PA_COMBINER		EXYNOS4_PA_COMBINER
-#define EXYNOS_PA_GIC_CPU		EXYNOS4_PA_GIC_CPU
-#define EXYNOS_PA_GIC_DIST		EXYNOS4_PA_GIC_DIST
-#define EXYNOS_PA_PMU			EXYNOS4_PA_PMU
-#define EXYNOS_PA_SYSTIMER		EXYNOS4_PA_SYSTIMER
-
 /* Compatibility UART */
 
 #define S3C_VA_UARTx(x)			(S3C_VA_UART + ((x) * S3C_UART_OFFSET))
 
-#define S5P_PA_UART(x)			(S3C_PA_UART + ((x) * S3C_UART_OFFSET))
+#define S5P_PA_UART(x)			(EXYNOS4_PA_UART + ((x) * S3C_UART_OFFSET))
 #define S5P_PA_UART0			S5P_PA_UART(0)
 #define S5P_PA_UART1			S5P_PA_UART(1)
 #define S5P_PA_UART2			S5P_PA_UART(2)
diff --git a/arch/arm/mach-exynos/init.c b/arch/arm/mach-exynos/init.c
deleted file mode 100644
index a8a83e3881a4..000000000000
--- a/arch/arm/mach-exynos/init.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/* linux/arch/arm/mach-exynos4/init.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/serial_core.h>
-
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/regs-serial.h>
-
-static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = {
-	[0] = {
-		.name		= "uclk1",
-		.divisor	= 1,
-		.min_baud	= 0,
-		.max_baud	= 0,
-	},
-};
-
-/* uart registration process */
-void __init exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	struct s3c2410_uartcfg *tcfg = cfg;
-	u32 ucnt;
-
-	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
-		if (!tcfg->clocks) {
-			tcfg->has_fracval = 1;
-			tcfg->clocks = exynos4_serial_clocks;
-			tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
-		}
-		tcfg->flags |= NO_NEED_CHECK_CLKSRC;
-	}
-
-	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
-}
diff --git a/arch/arm/mach-exynos/irq-combiner.c b/arch/arm/mach-exynos/irq-combiner.c
deleted file mode 100644
index 5a2758ab055e..000000000000
--- a/arch/arm/mach-exynos/irq-combiner.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/* linux/arch/arm/mach-exynos4/irq-combiner.c
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Based on arch/arm/common/gic.c
- *
- * IRQ COMBINER support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/io.h>
-
-#include <asm/mach/irq.h>
-
-#define COMBINER_ENABLE_SET	0x0
-#define COMBINER_ENABLE_CLEAR	0x4
-#define COMBINER_INT_STATUS	0xC
-
-static DEFINE_SPINLOCK(irq_controller_lock);
-
-struct combiner_chip_data {
-	unsigned int irq_offset;
-	unsigned int irq_mask;
-	void __iomem *base;
-};
-
-static struct combiner_chip_data combiner_data[MAX_COMBINER_NR];
-
-static inline void __iomem *combiner_base(struct irq_data *data)
-{
-	struct combiner_chip_data *combiner_data =
-		irq_data_get_irq_chip_data(data);
-
-	return combiner_data->base;
-}
-
-static void combiner_mask_irq(struct irq_data *data)
-{
-	u32 mask = 1 << (data->irq % 32);
-
-	__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
-}
-
-static void combiner_unmask_irq(struct irq_data *data)
-{
-	u32 mask = 1 << (data->irq % 32);
-
-	__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
-}
-
-static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
-{
-	struct combiner_chip_data *chip_data = irq_get_handler_data(irq);
-	struct irq_chip *chip = irq_get_chip(irq);
-	unsigned int cascade_irq, combiner_irq;
-	unsigned long status;
-
-	chained_irq_enter(chip, desc);
-
-	spin_lock(&irq_controller_lock);
-	status = __raw_readl(chip_data->base + COMBINER_INT_STATUS);
-	spin_unlock(&irq_controller_lock);
-	status &= chip_data->irq_mask;
-
-	if (status == 0)
-		goto out;
-
-	combiner_irq = __ffs(status);
-
-	cascade_irq = combiner_irq + (chip_data->irq_offset & ~31);
-	if (unlikely(cascade_irq >= NR_IRQS))
-		do_bad_IRQ(cascade_irq, desc);
-	else
-		generic_handle_irq(cascade_irq);
-
- out:
-	chained_irq_exit(chip, desc);
-}
-
-static struct irq_chip combiner_chip = {
-	.name		= "COMBINER",
-	.irq_mask	= combiner_mask_irq,
-	.irq_unmask	= combiner_unmask_irq,
-};
-
-void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq)
-{
-	if (combiner_nr >= MAX_COMBINER_NR)
-		BUG();
-	if (irq_set_handler_data(irq, &combiner_data[combiner_nr]) != 0)
-		BUG();
-	irq_set_chained_handler(irq, combiner_handle_cascade_irq);
-}
-
-void __init combiner_init(unsigned int combiner_nr, void __iomem *base,
-			  unsigned int irq_start)
-{
-	unsigned int i;
-
-	if (combiner_nr >= MAX_COMBINER_NR)
-		BUG();
-
-	combiner_data[combiner_nr].base = base;
-	combiner_data[combiner_nr].irq_offset = irq_start;
-	combiner_data[combiner_nr].irq_mask = 0xff << ((combiner_nr % 4) << 3);
-
-	/* Disable all interrupts */
-
-	__raw_writel(combiner_data[combiner_nr].irq_mask,
-		     base + COMBINER_ENABLE_CLEAR);
-
-	/* Setup the Linux IRQ subsystem */
-
-	for (i = irq_start; i < combiner_data[combiner_nr].irq_offset
-				+ MAX_IRQ_IN_COMBINER; i++) {
-		irq_set_chip_and_handler(i, &combiner_chip, handle_level_irq);
-		irq_set_chip_data(i, &combiner_data[combiner_nr]);
-		set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
-	}
-}
diff --git a/arch/arm/mach-exynos/irq-eint.c b/arch/arm/mach-exynos/irq-eint.c
deleted file mode 100644
index badb8c66fc9b..000000000000
--- a/arch/arm/mach-exynos/irq-eint.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/* linux/arch/arm/mach-exynos4/irq-eint.c
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * EXYNOS4 - IRQ EINT support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/sysdev.h>
-#include <linux/gpio.h>
-
-#include <plat/pm.h>
-#include <plat/cpu.h>
-#include <plat/gpio-cfg.h>
-
-#include <mach/regs-gpio.h>
-
-#include <asm/mach/irq.h>
-
-static DEFINE_SPINLOCK(eint_lock);
-
-static unsigned int eint0_15_data[16];
-
-static unsigned int exynos4_get_irq_nr(unsigned int number)
-{
-	u32 ret = 0;
-
-	switch (number) {
-	case 0 ... 3:
-		ret = (number + IRQ_EINT0);
-		break;
-	case 4 ... 7:
-		ret = (number + (IRQ_EINT4 - 4));
-		break;
-	case 8 ... 15:
-		ret = (number + (IRQ_EINT8 - 8));
-		break;
-	default:
-		printk(KERN_ERR "number available : %d\n", number);
-	}
-
-	return ret;
-}
-
-static inline void exynos4_irq_eint_mask(struct irq_data *data)
-{
-	u32 mask;
-
-	spin_lock(&eint_lock);
-	mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
-	mask |= eint_irq_to_bit(data->irq);
-	__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
-	spin_unlock(&eint_lock);
-}
-
-static void exynos4_irq_eint_unmask(struct irq_data *data)
-{
-	u32 mask;
-
-	spin_lock(&eint_lock);
-	mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
-	mask &= ~(eint_irq_to_bit(data->irq));
-	__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
-	spin_unlock(&eint_lock);
-}
-
-static inline void exynos4_irq_eint_ack(struct irq_data *data)
-{
-	__raw_writel(eint_irq_to_bit(data->irq),
-		     S5P_EINT_PEND(EINT_REG_NR(data->irq)));
-}
-
-static void exynos4_irq_eint_maskack(struct irq_data *data)
-{
-	exynos4_irq_eint_mask(data);
-	exynos4_irq_eint_ack(data);
-}
-
-static int exynos4_irq_eint_set_type(struct irq_data *data, unsigned int type)
-{
-	int offs = EINT_OFFSET(data->irq);
-	int shift;
-	u32 ctrl, mask;
-	u32 newvalue = 0;
-
-	switch (type) {
-	case IRQ_TYPE_EDGE_RISING:
-		newvalue = S5P_IRQ_TYPE_EDGE_RISING;
-		break;
-
-	case IRQ_TYPE_EDGE_FALLING:
-		newvalue = S5P_IRQ_TYPE_EDGE_FALLING;
-		break;
-
-	case IRQ_TYPE_EDGE_BOTH:
-		newvalue = S5P_IRQ_TYPE_EDGE_BOTH;
-		break;
-
-	case IRQ_TYPE_LEVEL_LOW:
-		newvalue = S5P_IRQ_TYPE_LEVEL_LOW;
-		break;
-
-	case IRQ_TYPE_LEVEL_HIGH:
-		newvalue = S5P_IRQ_TYPE_LEVEL_HIGH;
-		break;
-
-	default:
-		printk(KERN_ERR "No such irq type %d", type);
-		return -EINVAL;
-	}
-
-	shift = (offs & 0x7) * 4;
-	mask = 0x7 << shift;
-
-	spin_lock(&eint_lock);
-	ctrl = __raw_readl(S5P_EINT_CON(EINT_REG_NR(data->irq)));
-	ctrl &= ~mask;
-	ctrl |= newvalue << shift;
-	__raw_writel(ctrl, S5P_EINT_CON(EINT_REG_NR(data->irq)));
-	spin_unlock(&eint_lock);
-
-	switch (offs) {
-	case 0 ... 7:
-		s3c_gpio_cfgpin(EINT_GPIO_0(offs & 0x7), EINT_MODE);
-		break;
-	case 8 ... 15:
-		s3c_gpio_cfgpin(EINT_GPIO_1(offs & 0x7), EINT_MODE);
-		break;
-	case 16 ... 23:
-		s3c_gpio_cfgpin(EINT_GPIO_2(offs & 0x7), EINT_MODE);
-		break;
-	case 24 ... 31:
-		s3c_gpio_cfgpin(EINT_GPIO_3(offs & 0x7), EINT_MODE);
-		break;
-	default:
-		printk(KERN_ERR "No such irq number %d", offs);
-	}
-
-	return 0;
-}
-
-static struct irq_chip exynos4_irq_eint = {
-	.name		= "exynos4-eint",
-	.irq_mask	= exynos4_irq_eint_mask,
-	.irq_unmask	= exynos4_irq_eint_unmask,
-	.irq_mask_ack	= exynos4_irq_eint_maskack,
-	.irq_ack	= exynos4_irq_eint_ack,
-	.irq_set_type	= exynos4_irq_eint_set_type,
-#ifdef CONFIG_PM
-	.irq_set_wake	= s3c_irqext_wake,
-#endif
-};
-
-/* exynos4_irq_demux_eint
- *
- * This function demuxes the IRQ from from EINTs 16 to 31.
- * It is designed to be inlined into the specific handler
- * s5p_irq_demux_eintX_Y.
- *
- * Each EINT pend/mask registers handle eight of them.
- */
-static inline void exynos4_irq_demux_eint(unsigned int start)
-{
-	unsigned int irq;
-
-	u32 status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
-	u32 mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(start)));
-
-	status &= ~mask;
-	status &= 0xff;
-
-	while (status) {
-		irq = fls(status) - 1;
-		generic_handle_irq(irq + start);
-		status &= ~(1 << irq);
-	}
-}
-
-static void exynos4_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
-{
-	struct irq_chip *chip = irq_get_chip(irq);
-	chained_irq_enter(chip, desc);
-	exynos4_irq_demux_eint(IRQ_EINT(16));
-	exynos4_irq_demux_eint(IRQ_EINT(24));
-	chained_irq_exit(chip, desc);
-}
-
-static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
-{
-	u32 *irq_data = irq_get_handler_data(irq);
-	struct irq_chip *chip = irq_get_chip(irq);
-
-	chained_irq_enter(chip, desc);
-	chip->irq_mask(&desc->irq_data);
-
-	if (chip->irq_ack)
-		chip->irq_ack(&desc->irq_data);
-
-	generic_handle_irq(*irq_data);
-
-	chip->irq_unmask(&desc->irq_data);
-	chained_irq_exit(chip, desc);
-}
-
-int __init exynos4_init_irq_eint(void)
-{
-	int irq;
-
-	for (irq = 0 ; irq <= 31 ; irq++) {
-		irq_set_chip_and_handler(IRQ_EINT(irq), &exynos4_irq_eint,
-					 handle_level_irq);
-		set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
-	}
-
-	irq_set_chained_handler(IRQ_EINT16_31, exynos4_irq_demux_eint16_31);
-
-	for (irq = 0 ; irq <= 15 ; irq++) {
-		eint0_15_data[irq] = IRQ_EINT(irq);
-
-		irq_set_handler_data(exynos4_get_irq_nr(irq),
-				     &eint0_15_data[irq]);
-		irq_set_chained_handler(exynos4_get_irq_nr(irq),
-					exynos4_irq_eint0_15);
-	}
-
-	return 0;
-}
-
-arch_initcall(exynos4_init_irq_eint);
diff --git a/arch/arm/mach-exynos/mach-armlex4210.c b/arch/arm/mach-exynos/mach-armlex4210.c
index f0ca6c157d29..eeba808625ad 100644
--- a/arch/arm/mach-exynos/mach-armlex4210.c
+++ b/arch/arm/mach-exynos/mach-armlex4210.c
@@ -20,7 +20,6 @@
 
 #include <plat/cpu.h>
 #include <plat/devs.h>
-#include <plat/exynos4.h>
 #include <plat/gpio-cfg.h>
 #include <plat/regs-serial.h>
 #include <plat/regs-srom.h>
@@ -28,6 +27,8 @@
 
 #include <mach/map.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define ARMLEX4210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -187,7 +188,7 @@ static void __init armlex4210_smsc911x_init(void)
 
 static void __init armlex4210_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	exynos_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(armlex4210_uartcfgs,
 			   ARRAY_SIZE(armlex4210_uartcfgs));
diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index 236bbe187163..97cd5af15055 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c
@@ -37,7 +37,6 @@
 #include <plat/adc.h>
 #include <plat/regs-fb-v4.h>
 #include <plat/regs-serial.h>
-#include <plat/exynos4.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/fb.h>
@@ -54,6 +53,8 @@
 
 #include <mach/map.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define NURI_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -1283,7 +1284,7 @@ static struct platform_device *nuri_devices[] __initdata = {
 
 static void __init nuri_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	exynos_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(nuri_uartcfgs, ARRAY_SIZE(nuri_uartcfgs));
 }
diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c
index f80b563f2be7..cc2c67082769 100644
--- a/arch/arm/mach-exynos/mach-origen.c
+++ b/arch/arm/mach-exynos/mach-origen.c
@@ -28,7 +28,6 @@
 
 #include <plat/regs-serial.h>
 #include <plat/regs-fb-v4.h>
-#include <plat/exynos4.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/sdhci.h>
@@ -43,6 +42,8 @@
 
 #include <mach/map.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define ORIGEN_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -638,7 +639,7 @@ static void s5p_tv_setup(void)
 
 static void __init origen_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	exynos_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(origen_uartcfgs, ARRAY_SIZE(origen_uartcfgs));
 }
diff --git a/arch/arm/mach-exynos/mach-smdk4x12.c b/arch/arm/mach-exynos/mach-smdk4x12.c
index fcf2e0e23d53..2f4cb89aadbb 100644
--- a/arch/arm/mach-exynos/mach-smdk4x12.c
+++ b/arch/arm/mach-exynos/mach-smdk4x12.c
@@ -27,7 +27,6 @@
 #include <plat/clock.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
-#include <plat/exynos4.h>
 #include <plat/gpio-cfg.h>
 #include <plat/iic.h>
 #include <plat/keypad.h>
@@ -36,6 +35,8 @@
 
 #include <mach/map.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define SMDK4X12_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -249,7 +250,7 @@ static void __init smdk4x12_map_io(void)
 {
 	clk_xusbxti.rate = 24000000;
 
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	exynos_init_io(NULL, 0);
 	s3c24xx_init_clocks(clk_xusbxti.rate);
 	s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
 }
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index cec2afabe7b4..cf21d666d124 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c
@@ -27,7 +27,6 @@
 #include <plat/regs-serial.h>
 #include <plat/regs-srom.h>
 #include <plat/regs-fb-v4.h>
-#include <plat/exynos4.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/fb.h>
@@ -43,6 +42,8 @@
 
 #include <mach/map.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define SMDKV310_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -332,7 +333,7 @@ static void s5p_tv_setup(void)
 
 static void __init smdkv310_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	exynos_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
 }
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index a2a177ff4b44..4826eabf9be6 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -27,7 +27,6 @@
 #include <asm/mach-types.h>
 
 #include <plat/regs-serial.h>
-#include <plat/exynos4.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/iic.h>
@@ -47,6 +46,8 @@
 #include <media/s5p_fimc.h>
 #include <media/m5mols.h>
 
+#include "common.h"
+
 /* Following are default values for UCON, ULCON and UFCON UART registers */
 #define UNIVERSAL_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				 S3C2410_UCON_RXILEVEL |	\
@@ -992,7 +993,7 @@ static struct platform_device *universal_devices[] __initdata = {
 
 static void __init universal_map_io(void)
 {
-	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	exynos_init_io(NULL, 0);
 	s3c24xx_init_clocks(24000000);
 	s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
 }
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
index 876344038b8d..30d8c3016e6b 100644
--- a/arch/arm/plat-s5p/Makefile
+++ b/arch/arm/plat-s5p/Makefile
@@ -13,7 +13,6 @@ obj-				:=
 # Core files
 
 obj-y				+= dev-uart.o
-obj-y				+= cpu.o
 obj-y				+= clock.o
 obj-y				+= irq.o
 obj-$(CONFIG_S5P_EXT_INT)	+= irq-eint.o
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
deleted file mode 100644
index 63c3fadf64ef..000000000000
--- a/arch/arm/plat-s5p/cpu.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* linux/arch/arm/plat-s5p/cpu.c
- *
- * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * S5P CPU Support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <mach/map.h>
-#include <mach/regs-clock.h>
-
-#include <plat/cpu.h>
-#include <plat/exynos4.h>
-
-/* table of supported CPUs */
-
-static const char name_exynos4210[] = "EXYNOS4210";
-static const char name_exynos4212[] = "EXYNOS4212";
-static const char name_exynos4412[] = "EXYNOS4412";
-
-static struct cpu_table cpu_ids[] __initdata = {
-	{
-		.idcode		= EXYNOS4210_CPU_ID,
-		.idmask		= EXYNOS4_CPU_MASK,
-		.map_io		= exynos4_map_io,
-		.init_clocks	= exynos4_init_clocks,
-		.init_uarts	= exynos4_init_uarts,
-		.init		= exynos_init,
-		.name		= name_exynos4210,
-	}, {
-		.idcode		= EXYNOS4212_CPU_ID,
-		.idmask		= EXYNOS4_CPU_MASK,
-		.map_io		= exynos4_map_io,
-		.init_clocks	= exynos4_init_clocks,
-		.init_uarts	= exynos4_init_uarts,
-		.init		= exynos_init,
-		.name		= name_exynos4212,
-	}, {
-		.idcode		= EXYNOS4412_CPU_ID,
-		.idmask		= EXYNOS4_CPU_MASK,
-		.map_io		= exynos4_map_io,
-		.init_clocks	= exynos4_init_clocks,
-		.init_uarts	= exynos4_init_uarts,
-		.init		= exynos_init,
-		.name		= name_exynos4412,
-	},
-};
-
-/* minimal IO mapping */
-
-static struct map_desc s5p_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5P_VA_CHIPID,
-		.pfn		= __phys_to_pfn(S5P_PA_CHIPID),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_SYS,
-		.pfn		= __phys_to_pfn(S5P_PA_SYSCON),
-		.length		= SZ_64K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_TIMER,
-		.pfn		= __phys_to_pfn(S5P_PA_TIMER),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_WATCHDOG,
-		.pfn		= __phys_to_pfn(S3C_PA_WDT),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_SROMC,
-		.pfn		= __phys_to_pfn(S5P_PA_SROMC),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
-/* read cpu identification code */
-
-void __init s5p_init_io(struct map_desc *mach_desc,
-			int size, void __iomem *cpuid_addr)
-{
-	/* initialize the io descriptors we need for initialization */
-	iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc));
-	if (mach_desc)
-		iotable_init(mach_desc, size);
-
-	/* detect cpu id and rev. */
-	s5p_init_cpu(cpuid_addr);
-
-	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
-}
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index abbdadb4047b..258d9d8a94f2 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -155,8 +155,6 @@ extern void s3c24xx_init_irq(void);
 extern void s5p_init_irq(u32 *vic, u32 num_vic);
 
 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
-extern void s5p_init_io(struct map_desc *mach_desc,
-			int size, void __iomem *cpuid_addr);
 
 extern void s3c24xx_init_cpu(void);
 extern void s3c64xx_init_cpu(void);
diff --git a/arch/arm/plat-samsung/include/plat/exynos4.h b/arch/arm/plat-samsung/include/plat/exynos4.h
deleted file mode 100644
index f546e88ebc94..000000000000
--- a/arch/arm/plat-samsung/include/plat/exynos4.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/exynos4.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Header file for exynos4 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-/* Common init code for EXYNOS4 related SoCs */
-
-extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-extern void exynos4_register_clocks(void);
-extern void exynos4210_register_clocks(void);
-extern void exynos4212_register_clocks(void);
-extern void exynos4_setup_clocks(void);
-
-#ifdef CONFIG_ARCH_EXYNOS
-extern  int exynos_init(void);
-extern void exynos4_init_irq(void);
-extern void exynos4_map_io(void);
-extern void exynos4_init_clocks(int xtal);
-extern struct sys_timer exynos4_timer;
-
-#define exynos4_init_uarts exynos4_common_init_uarts
-
-#else
-#define exynos4_init_clocks NULL
-#define exynos4_init_uarts NULL
-#define exynos4_map_io NULL
-#define exynos_init NULL
-#endif
-- 
GitLab


From 03534a415fa9a7390051fa0ce466611ca250ac4d Mon Sep 17 00:00:00 2001
From: "Hans J. Koch" <hjk@hansjkoch.de>
Date: Thu, 22 Dec 2011 20:40:41 +0100
Subject: [PATCH 1591/1594] Remove Telechips ARM subarch from MAINTAINERS

The ARM subarchitecture for Telechips SoCs isi being completely removed,
so there's no need for a MAINTAINERS entry.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Harry Sievers <hsievers@csselectronic.com>
Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
---
 MAINTAINERS | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 6afba60c3904..5a601eab03ae 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1124,13 +1124,6 @@ S:	Supported
 F:	arch/arm/mach-shmobile/
 F:	drivers/sh/
 
-ARM/TELECHIPS ARM ARCHITECTURE
-M:	"Hans J. Koch" <hjk@hansjkoch.de>
-L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S:	Maintained
-F:	arch/arm/plat-tcc/
-F:	arch/arm/mach-tcc8k/
-
 ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
 M:	Lennert Buytenhek <kernel@wantstofly.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-- 
GitLab


From 273b5e5189791a9b6d0bffb24568378d767e1711 Mon Sep 17 00:00:00 2001
From: "Hans J. Koch" <hjk@hansjkoch.de>
Date: Thu, 22 Dec 2011 20:46:34 +0100
Subject: [PATCH 1592/1594] arm: Remove TCC subarch from Kconfig/Makefile

The Telechips subarchitecture is being completely removed.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Harry Sievers <hsievers@csselectronic.com>
Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
---
 arch/arm/Kconfig  | 12 ------------
 arch/arm/Makefile |  2 --
 2 files changed, 14 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 776d76b8cb69..849e3ad93707 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -868,16 +868,6 @@ config ARCH_SHARK
 	  Support for the StrongARM based Digital DNARD machine, also known
 	  as "Shark" (<http://www.shark-linux.de/shark.html>).
 
-config ARCH_TCC_926
-	bool "Telechips TCC ARM926-based systems"
-	select CLKSRC_MMIO
-	select CPU_ARM926T
-	select HAVE_CLK
-	select CLKDEV_LOOKUP
-	select GENERIC_CLOCKEVENTS
-	help
-	  Support for Telechips TCC ARM926-based systems.
-
 config ARCH_U300
 	bool "ST-Ericsson U300 Series"
 	depends on MMU
@@ -1060,8 +1050,6 @@ source "arch/arm/plat-s5p/Kconfig"
 
 source "arch/arm/plat-spear/Kconfig"
 
-source "arch/arm/plat-tcc/Kconfig"
-
 if ARCH_S3C2410
 source "arch/arm/mach-s3c2410/Kconfig"
 source "arch/arm/mach-s3c2412/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index dfcf3b033e10..40319d91bb7f 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -184,7 +184,6 @@ machine-$(CONFIG_ARCH_EXYNOS4)		:= exynos
 machine-$(CONFIG_ARCH_SA1100)		:= sa1100
 machine-$(CONFIG_ARCH_SHARK)		:= shark
 machine-$(CONFIG_ARCH_SHMOBILE) 	:= shmobile
-machine-$(CONFIG_ARCH_TCC8K)		:= tcc8k
 machine-$(CONFIG_ARCH_TEGRA)		:= tegra
 machine-$(CONFIG_ARCH_U300)		:= u300
 machine-$(CONFIG_ARCH_U8500)		:= ux500
@@ -204,7 +203,6 @@ machine-$(CONFIG_ARCH_ZYNQ)		:= zynq
 plat-$(CONFIG_ARCH_MXC)		:= mxc
 plat-$(CONFIG_ARCH_OMAP)	:= omap
 plat-$(CONFIG_ARCH_S3C64XX)	:= samsung
-plat-$(CONFIG_ARCH_TCC_926)	:= tcc
 plat-$(CONFIG_ARCH_ZYNQ)	:= versatile
 plat-$(CONFIG_PLAT_IOP)		:= iop
 plat-$(CONFIG_PLAT_NOMADIK)	:= nomadik
-- 
GitLab


From 00d79e9d0e4b49144177bc07baa015febc822c10 Mon Sep 17 00:00:00 2001
From: "Hans J. Koch" <hjk@hansjkoch.de>
Date: Thu, 22 Dec 2011 21:27:27 +0100
Subject: [PATCH 1593/1594] arm: Remove mach-tcc8k directory

The Telechips ARM architecture is being removed. This patch
deletes the arch/arm/mach-tcc8k/ folder.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Harry Sievers <hsievers@csselectronic.com>
Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
---
 arch/arm/mach-tcc8k/Kconfig             |  11 -
 arch/arm/mach-tcc8k/Makefile            |   9 -
 arch/arm/mach-tcc8k/Makefile.boot       |   3 -
 arch/arm/mach-tcc8k/board-tcc8000-sdk.c |  81 ----
 arch/arm/mach-tcc8k/clock.c             | 580 ------------------------
 arch/arm/mach-tcc8k/common.h            |  15 -
 arch/arm/mach-tcc8k/devices.c           | 239 ----------
 arch/arm/mach-tcc8k/io.c                |  62 ---
 arch/arm/mach-tcc8k/irq.c               | 111 -----
 arch/arm/mach-tcc8k/time.c              | 134 ------
 10 files changed, 1245 deletions(-)
 delete mode 100644 arch/arm/mach-tcc8k/Kconfig
 delete mode 100644 arch/arm/mach-tcc8k/Makefile
 delete mode 100644 arch/arm/mach-tcc8k/Makefile.boot
 delete mode 100644 arch/arm/mach-tcc8k/board-tcc8000-sdk.c
 delete mode 100644 arch/arm/mach-tcc8k/clock.c
 delete mode 100644 arch/arm/mach-tcc8k/common.h
 delete mode 100644 arch/arm/mach-tcc8k/devices.c
 delete mode 100644 arch/arm/mach-tcc8k/io.c
 delete mode 100644 arch/arm/mach-tcc8k/irq.c
 delete mode 100644 arch/arm/mach-tcc8k/time.c

diff --git a/arch/arm/mach-tcc8k/Kconfig b/arch/arm/mach-tcc8k/Kconfig
deleted file mode 100644
index ad86415d1577..000000000000
--- a/arch/arm/mach-tcc8k/Kconfig
+++ /dev/null
@@ -1,11 +0,0 @@
-if ARCH_TCC8K
-
-comment "TCC8000 systems:"
-
-config MACH_TCC8000_SDK
-	bool "Telechips TCC8000-SDK development kit"
-	default y
-	help
-	  Support for the Telechips TCC8000-SDK board.
-
-endif
diff --git a/arch/arm/mach-tcc8k/Makefile b/arch/arm/mach-tcc8k/Makefile
deleted file mode 100644
index 9bacf31e49ba..000000000000
--- a/arch/arm/mach-tcc8k/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for TCC8K boards and common files.
-#
-
-# Common support
-obj-y += clock.o irq.o time.o io.o devices.o
-
-# Board specific support
-obj-$(CONFIG_MACH_TCC8000_SDK) += board-tcc8000-sdk.o
diff --git a/arch/arm/mach-tcc8k/Makefile.boot b/arch/arm/mach-tcc8k/Makefile.boot
deleted file mode 100644
index 5e02d4156b04..000000000000
--- a/arch/arm/mach-tcc8k/Makefile.boot
+++ /dev/null
@@ -1,3 +0,0 @@
-   zreladdr-y		+= 0x20008000
-params_phys-y		:= 0x20000100
-initrd_phys-y		:= 0x20800000
diff --git a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
deleted file mode 100644
index 777a5bb9eed2..000000000000
--- a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-
-#include <asm/mach-types.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/time.h>
-
-#include <mach/clock.h>
-#include <mach/tcc-nand.h>
-#include <mach/tcc8k-regs.h>
-
-#include "common.h"
-
-#define XI_FREQUENCY	12000000
-#define XTI_FREQUENCY	32768
-
-#ifdef CONFIG_MTD_NAND_TCC
-/* NAND */
-static struct tcc_nand_platform_data tcc8k_sdk_nand_data = {
-	.width = 1,
-	.hw_ecc = 0,
-};
-#endif
-
-static void __init tcc8k_init(void)
-{
-#ifdef CONFIG_MTD_NAND_TCC
-	tcc_nand_device.dev.platform_data = &tcc8k_sdk_nand_data;
-	platform_device_register(&tcc_nand_device);
-#endif
-}
-
-static void __init tcc8k_init_timer(void)
-{
-	tcc_clocks_init(XI_FREQUENCY, XTI_FREQUENCY);
-}
-
-static struct sys_timer tcc8k_timer = {
-	.init	= tcc8k_init_timer,
-};
-
-static void __init tcc8k_map_io(void)
-{
-	tcc8k_map_common_io();
-
-	/* set PLL0 clock to 96MHz, adapt UART0 divisor */
-	__raw_writel(0x00026003, CKC_BASE + PLL0CFG_OFFS);
-	__raw_writel(0x10000001, CKC_BASE + ACLKUART0_OFFS);
-
-	/* set PLL1 clock to 192MHz */
-	__raw_writel(0x00016003, CKC_BASE + PLL1CFG_OFFS);
-
-	/* set PLL2 clock to 48MHz */
-	__raw_writel(0x00036003, CKC_BASE + PLL2CFG_OFFS);
-
-	/* with CPU freq higher than 150 MHz, need extra DTCM wait */
-	__raw_writel(0x00000001, SCFG_BASE + DTCMWAIT_OFFS);
-
-	/* PLL locking time as specified */
-	udelay(300);
-}
-
-MACHINE_START(TCC8000_SDK, "Telechips TCC8000-SDK Demo Board")
-	.atag_offset	= 0x100,
-	.map_io		= tcc8k_map_io,
-	.init_irq	= tcc8k_init_irq,
-	.init_machine	= tcc8k_init,
-	.timer		= &tcc8k_timer,
-MACHINE_END
diff --git a/arch/arm/mach-tcc8k/clock.c b/arch/arm/mach-tcc8k/clock.c
deleted file mode 100644
index e7cdae5c77a4..000000000000
--- a/arch/arm/mach-tcc8k/clock.c
+++ /dev/null
@@ -1,580 +0,0 @@
-/*
- * Lowlevel clock handling for Telechips TCC8xxx SoCs
- *
- * Copyright (C) 2010 by Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GPL v2
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/clkdev.h>
-
-#include <mach/clock.h>
-#include <mach/irqs.h>
-#include <mach/tcc8k-regs.h>
-
-#include "common.h"
-
-#define BCLKCTR0	(CKC_BASE + BCLKCTR0_OFFS)
-#define BCLKCTR1	(CKC_BASE + BCLKCTR1_OFFS)
-
-#define ACLKREF		(CKC_BASE + ACLKREF_OFFS)
-#define ACLKUART0	(CKC_BASE + ACLKUART0_OFFS)
-#define ACLKUART1	(CKC_BASE + ACLKUART1_OFFS)
-#define ACLKUART2	(CKC_BASE + ACLKUART2_OFFS)
-#define ACLKUART3	(CKC_BASE + ACLKUART3_OFFS)
-#define ACLKUART4	(CKC_BASE + ACLKUART4_OFFS)
-#define ACLKI2C		(CKC_BASE + ACLKI2C_OFFS)
-#define ACLKADC		(CKC_BASE + ACLKADC_OFFS)
-#define ACLKUSBH	(CKC_BASE + ACLKUSBH_OFFS)
-#define ACLKLCD		(CKC_BASE + ACLKLCD_OFFS)
-#define ACLKSDH0	(CKC_BASE + ACLKSDH0_OFFS)
-#define ACLKSDH1	(CKC_BASE + ACLKSDH1_OFFS)
-#define ACLKSPI0	(CKC_BASE + ACLKSPI0_OFFS)
-#define ACLKSPI1	(CKC_BASE + ACLKSPI1_OFFS)
-#define ACLKSPDIF	(CKC_BASE + ACLKSPDIF_OFFS)
-#define ACLKC3DEC	(CKC_BASE + ACLKC3DEC_OFFS)
-#define ACLKCAN0	(CKC_BASE + ACLKCAN0_OFFS)
-#define ACLKCAN1	(CKC_BASE + ACLKCAN1_OFFS)
-#define ACLKGSB0	(CKC_BASE + ACLKGSB0_OFFS)
-#define ACLKGSB1	(CKC_BASE + ACLKGSB1_OFFS)
-#define ACLKGSB2	(CKC_BASE + ACLKGSB2_OFFS)
-#define ACLKGSB3	(CKC_BASE + ACLKGSB3_OFFS)
-#define ACLKTCT		(CKC_BASE + ACLKTCT_OFFS)
-#define ACLKTCX		(CKC_BASE + ACLKTCX_OFFS)
-#define ACLKTCZ		(CKC_BASE + ACLKTCZ_OFFS)
-
-#define ACLK_MAX_DIV	(0xfff + 1)
-
-/* Crystal frequencies */
-static unsigned long xi_rate, xti_rate;
-
-static void __iomem *pll_cfg_addr(int pll)
-{
-	switch (pll) {
-	case 0: return (CKC_BASE + PLL0CFG_OFFS);
-	case 1: return (CKC_BASE + PLL1CFG_OFFS);
-	case 2: return (CKC_BASE + PLL2CFG_OFFS);
-	default:
-		BUG();
-	}
-}
-
-static int pll_enable(int pll, int enable)
-{
-	u32 reg;
-	void __iomem *addr = pll_cfg_addr(pll);
-
-	reg = __raw_readl(addr);
-	if (enable)
-		reg &= ~PLLxCFG_PD;
-	else
-		reg |= PLLxCFG_PD;
-
-	__raw_writel(reg, addr);
-	return 0;
-}
-
-static int xi_enable(int enable)
-{
-	u32 reg;
-
-	reg = __raw_readl(CKC_BASE + CLKCTRL_OFFS);
-	if (enable)
-		reg |= CLKCTRL_XE;
-	else
-		reg &= ~CLKCTRL_XE;
-
-	__raw_writel(reg, CKC_BASE + CLKCTRL_OFFS);
-	return 0;
-}
-
-static int root_clk_enable(enum root_clks src)
-{
-	switch (src) {
-	case CLK_SRC_PLL0: return pll_enable(0, 1);
-	case CLK_SRC_PLL1: return pll_enable(1, 1);
-	case CLK_SRC_PLL2: return pll_enable(2, 1);
-	case CLK_SRC_XI: return xi_enable(1);
-	default:
-		BUG();
-	}
-	return 0;
-}
-
-static int root_clk_disable(enum root_clks src)
-{
-	switch (src) {
-	case CLK_SRC_PLL0: return pll_enable(0, 0);
-	case CLK_SRC_PLL1: return pll_enable(1, 0);
-	case CLK_SRC_PLL2: return pll_enable(2, 0);
-	case CLK_SRC_XI: return xi_enable(0);
-	default:
-		BUG();
-	}
-	return 0;
-}
-
-static int enable_clk(struct clk *clk)
-{
-	u32 reg;
-
-	if (clk->root_id != CLK_SRC_NOROOT)
-		return root_clk_enable(clk->root_id);
-
-	if (clk->aclkreg) {
-		reg = __raw_readl(clk->aclkreg);
-		reg |= ACLK_EN;
-		__raw_writel(reg, clk->aclkreg);
-	}
-	if (clk->bclkctr) {
-		reg = __raw_readl(clk->bclkctr);
-		reg |= 1 << clk->bclk_shift;
-		__raw_writel(reg, clk->bclkctr);
-	}
-	return 0;
-}
-
-static void disable_clk(struct clk *clk)
-{
-	u32 reg;
-
-	if (clk->root_id != CLK_SRC_NOROOT) {
-		root_clk_disable(clk->root_id);
-		return;
-	}
-
-	if (clk->bclkctr) {
-		reg = __raw_readl(clk->bclkctr);
-		reg &= ~(1 << clk->bclk_shift);
-		__raw_writel(reg, clk->bclkctr);
-	}
-	if (clk->aclkreg) {
-		reg = __raw_readl(clk->aclkreg);
-		reg &= ~ACLK_EN;
-		__raw_writel(reg, clk->aclkreg);
-	}
-}
-
-static unsigned long get_rate_pll(int pll)
-{
-	u32 reg;
-	unsigned long s, m, p;
-	void __iomem *addr = pll_cfg_addr(pll);
-
-	reg = __raw_readl(addr);
-	s = (reg >> 16) & 0x07;
-	m = (reg >> 8) & 0xff;
-	p = reg & 0x3f;
-
-	return (m * xi_rate) / (p * (1 << s));
-}
-
-static unsigned long get_rate_pll_div(int pll)
-{
-	u32 reg;
-	unsigned long div = 0;
-	void __iomem *addr;
-
-	switch (pll) {
-	case 0:
-		addr = CKC_BASE + CLKDIVC0_OFFS;
-		reg = __raw_readl(addr);
-		if (reg & CLKDIVC0_P0E)
-			div = (reg >> 24) & 0x3f;
-		break;
-	case 1:
-		addr = CKC_BASE + CLKDIVC0_OFFS;
-		reg = __raw_readl(addr);
-		if (reg & CLKDIVC0_P1E)
-			div = (reg >> 16) & 0x3f;
-		break;
-	case 2:
-		addr = CKC_BASE + CLKDIVC1_OFFS;
-		reg = __raw_readl(addr);
-		if (reg & CLKDIVC1_P2E)
-			div = reg & 0x3f;
-		break;
-	}
-	return get_rate_pll(pll) / (div + 1);
-}
-
-static unsigned long get_rate_xi_div(void)
-{
-	unsigned long div = 0;
-	u32 reg = __raw_readl(CKC_BASE + CLKDIVC0_OFFS);
-
-	if (reg & CLKDIVC0_XE)
-		div = (reg >> 8) & 0x3f;
-
-	return xi_rate / (div + 1);
-}
-
-static unsigned long get_rate_xti_div(void)
-{
-	unsigned long div = 0;
-	u32 reg = __raw_readl(CKC_BASE + CLKDIVC0_OFFS);
-
-	if (reg & CLKDIVC0_XTE)
-		div = reg & 0x3f;
-
-	return xti_rate / (div + 1);
-}
-
-static unsigned long root_clk_get_rate(enum root_clks src)
-{
-	switch (src) {
-	case CLK_SRC_PLL0: return get_rate_pll(0);
-	case CLK_SRC_PLL1: return get_rate_pll(1);
-	case CLK_SRC_PLL2: return get_rate_pll(2);
-	case CLK_SRC_PLL0DIV: return get_rate_pll_div(0);
-	case CLK_SRC_PLL1DIV: return get_rate_pll_div(1);
-	case CLK_SRC_PLL2DIV: return get_rate_pll_div(2);
-	case CLK_SRC_XI: return xi_rate;
-	case CLK_SRC_XTI: return xti_rate;
-	case CLK_SRC_XIDIV: return get_rate_xi_div();
-	case CLK_SRC_XTIDIV: return get_rate_xti_div();
-	default: return 0;
-	}
-}
-
-static unsigned long aclk_get_rate(struct clk *clk)
-{
-	u32 reg;
-	unsigned long div;
-	unsigned int src;
-
-	reg = __raw_readl(clk->aclkreg);
-	div = reg & 0x0fff;
-	src = (reg >> ACLK_SEL_SHIFT) & CLK_SRC_MASK;
-	return root_clk_get_rate(src) / (div + 1);
-}
-
-static unsigned long aclk_best_div(struct clk *clk, unsigned long rate)
-{
-	unsigned long div, src, freq, r1, r2;
-
-	if (!rate)
-		return ACLK_MAX_DIV;
-
-	src = __raw_readl(clk->aclkreg) >> ACLK_SEL_SHIFT;
-	src &= CLK_SRC_MASK;
-	freq = root_clk_get_rate(src);
-	div = freq / rate;
-	if (!div)
-		return 1;
-	if (div >= ACLK_MAX_DIV)
-		return ACLK_MAX_DIV;
-	r1 = freq / div;
-	r2 = freq / (div + 1);
-	if ((rate - r2) < (r1 - rate))
-		return div + 1;
-
-	return div;
-}
-
-static unsigned long aclk_round_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned int src;
-
-	src = __raw_readl(clk->aclkreg) >> ACLK_SEL_SHIFT;
-	src &= CLK_SRC_MASK;
-
-	return root_clk_get_rate(src) / aclk_best_div(clk, rate);
-}
-
-static int aclk_set_rate(struct clk *clk, unsigned long rate)
-{
-	u32 reg;
-
-	reg = __raw_readl(clk->aclkreg) & ~ACLK_DIV_MASK;
-	reg |= aclk_best_div(clk, rate) - 1;
-	__raw_writel(reg, clk->aclkreg);
-	return 0;
-}
-
-static unsigned long get_rate_sys(struct clk *clk)
-{
-	unsigned int src;
-
-	src = __raw_readl(CKC_BASE + CLKCTRL_OFFS) & CLK_SRC_MASK;
-	return root_clk_get_rate(src);
-}
-
-static unsigned long get_rate_bus(struct clk *clk)
-{
-	unsigned int reg, sdiv, bdiv, rate;
-
-	reg = __raw_readl(CKC_BASE + CLKCTRL_OFFS);
-	rate = get_rate_sys(clk);
-	sdiv = (reg >> 20) & 3;
-	if (sdiv)
-		rate /= sdiv + 1;
-	bdiv = (reg >> 4) & 0xff;
-	if (bdiv)
-		rate /= bdiv + 1;
-	return rate;
-}
-
-static unsigned long get_rate_cpu(struct clk *clk)
-{
-	unsigned int reg, div, fsys, fbus;
-
-	fbus = get_rate_bus(clk);
-	reg = __raw_readl(CKC_BASE + CLKCTRL_OFFS);
-	if (reg & (1 << 29))
-		return fbus;
-	fsys = get_rate_sys(clk);
-	div = (reg >> 16) & 0x0f;
-	return fbus + ((fsys - fbus) * (div + 1)) / 16;
-}
-
-static unsigned long get_rate_root(struct clk *clk)
-{
-	return root_clk_get_rate(clk->root_id);
-}
-
-static int aclk_set_parent(struct clk *clock, struct clk *parent)
-{
-	u32 reg;
-
-	if (clock->parent == parent)
-		return 0;
-
-	clock->parent = parent;
-
-	if (!parent)
-		return 0;
-
-	if (parent->root_id == CLK_SRC_NOROOT)
-		return 0;
-	reg = __raw_readl(clock->aclkreg);
-	reg &= ~ACLK_SEL_MASK;
-	reg |= (parent->root_id << ACLK_SEL_SHIFT) & ACLK_SEL_MASK;
-	__raw_writel(reg, clock->aclkreg);
-
-	return 0;
-}
-
-#define DEFINE_ROOT_CLOCK(name, ri, p)	\
-	static struct clk name = {		\
-		.root_id = ri,			\
-		.get_rate = get_rate_root,			\
-		.enable = enable_clk,		\
-		.disable = disable_clk,		\
-		.parent = p,			\
-	};
-
-#define DEFINE_SPECIAL_CLOCK(name, gr, p)	\
-	static struct clk name = {		\
-		.root_id = CLK_SRC_NOROOT,	\
-		.get_rate = gr,			\
-		.parent = p,			\
-	};
-
-#define DEFINE_ACLOCK(name, bc, bs, ar)		\
-	static struct clk name = {		\
-		.root_id = CLK_SRC_NOROOT,	\
-		.bclkctr = bc,			\
-		.bclk_shift = bs,		\
-		.aclkreg = ar,			\
-		.get_rate = aclk_get_rate,	\
-		.set_rate = aclk_set_rate,	\
-		.round_rate = aclk_round_rate,	\
-		.enable = enable_clk,		\
-		.disable = disable_clk,		\
-		.set_parent = aclk_set_parent,	\
-	};
-
-#define DEFINE_BCLOCK(name, bc, bs, gr, p)	\
-	static struct clk name = {		\
-		.root_id = CLK_SRC_NOROOT,	\
-		.bclkctr = bc,			\
-		.bclk_shift = bs,		\
-		.get_rate = gr,			\
-		.enable = enable_clk,		\
-		.disable = disable_clk,		\
-		.parent = p,			\
-	};
-
-DEFINE_ROOT_CLOCK(xi, CLK_SRC_XI, NULL)
-DEFINE_ROOT_CLOCK(xti, CLK_SRC_XTI, NULL)
-DEFINE_ROOT_CLOCK(xidiv, CLK_SRC_XIDIV, &xi)
-DEFINE_ROOT_CLOCK(xtidiv, CLK_SRC_XTIDIV, &xti)
-DEFINE_ROOT_CLOCK(pll0, CLK_SRC_PLL0, &xi)
-DEFINE_ROOT_CLOCK(pll1, CLK_SRC_PLL1, &xi)
-DEFINE_ROOT_CLOCK(pll2, CLK_SRC_PLL2, &xi)
-DEFINE_ROOT_CLOCK(pll0div, CLK_SRC_PLL0DIV, &pll0)
-DEFINE_ROOT_CLOCK(pll1div, CLK_SRC_PLL1DIV, &pll1)
-DEFINE_ROOT_CLOCK(pll2div, CLK_SRC_PLL2DIV, &pll2)
-
-/* The following 3 clocks are special and are initialized explicitly later */
-DEFINE_SPECIAL_CLOCK(sys, get_rate_sys, NULL)
-DEFINE_SPECIAL_CLOCK(bus, get_rate_bus, &sys)
-DEFINE_SPECIAL_CLOCK(cpu, get_rate_cpu, &sys)
-
-DEFINE_ACLOCK(tct, NULL, 0, ACLKTCT)
-DEFINE_ACLOCK(tcx, NULL, 0, ACLKTCX)
-DEFINE_ACLOCK(tcz, NULL, 0, ACLKTCZ)
-DEFINE_ACLOCK(ref, NULL, 0, ACLKREF)
-DEFINE_ACLOCK(uart0, BCLKCTR0, 5, ACLKUART0)
-DEFINE_ACLOCK(uart1, BCLKCTR0, 23, ACLKUART1)
-DEFINE_ACLOCK(uart2, BCLKCTR0, 6, ACLKUART2)
-DEFINE_ACLOCK(uart3, BCLKCTR0, 8, ACLKUART3)
-DEFINE_ACLOCK(uart4, BCLKCTR1, 6, ACLKUART4)
-DEFINE_ACLOCK(i2c, BCLKCTR0, 7, ACLKI2C)
-DEFINE_ACLOCK(adc, BCLKCTR0, 10, ACLKADC)
-DEFINE_ACLOCK(usbh0, BCLKCTR0, 11, ACLKUSBH)
-DEFINE_ACLOCK(lcd, BCLKCTR0, 13, ACLKLCD)
-DEFINE_ACLOCK(sd0, BCLKCTR0, 17, ACLKSDH0)
-DEFINE_ACLOCK(sd1, BCLKCTR1, 5, ACLKSDH1)
-DEFINE_ACLOCK(spi0, BCLKCTR0, 24, ACLKSPI0)
-DEFINE_ACLOCK(spi1, BCLKCTR0, 30, ACLKSPI1)
-DEFINE_ACLOCK(spdif, BCLKCTR1, 2, ACLKSPDIF)
-DEFINE_ACLOCK(c3dec, BCLKCTR1, 9, ACLKC3DEC)
-DEFINE_ACLOCK(can0, BCLKCTR1, 10, ACLKCAN0)
-DEFINE_ACLOCK(can1, BCLKCTR1, 11, ACLKCAN1)
-DEFINE_ACLOCK(gsb0, BCLKCTR1, 13, ACLKGSB0)
-DEFINE_ACLOCK(gsb1, BCLKCTR1, 14, ACLKGSB1)
-DEFINE_ACLOCK(gsb2, BCLKCTR1, 15, ACLKGSB2)
-DEFINE_ACLOCK(gsb3, BCLKCTR1, 16, ACLKGSB3)
-DEFINE_ACLOCK(usbh1, BCLKCTR1, 20, ACLKUSBH)
-
-DEFINE_BCLOCK(dai0, BCLKCTR0, 0, NULL, NULL)
-DEFINE_BCLOCK(pic, BCLKCTR0, 1, NULL, NULL)
-DEFINE_BCLOCK(tc, BCLKCTR0, 2, NULL, NULL)
-DEFINE_BCLOCK(gpio, BCLKCTR0, 3, NULL, NULL)
-DEFINE_BCLOCK(usbd, BCLKCTR0, 4, NULL, NULL)
-DEFINE_BCLOCK(ecc, BCLKCTR0, 9, NULL, NULL)
-DEFINE_BCLOCK(gdma0, BCLKCTR0, 12, NULL, NULL)
-DEFINE_BCLOCK(rtc, BCLKCTR0, 15, NULL, NULL)
-DEFINE_BCLOCK(nfc, BCLKCTR0, 16, NULL, NULL)
-DEFINE_BCLOCK(g2d, BCLKCTR0, 18, NULL, NULL)
-DEFINE_BCLOCK(gdma1, BCLKCTR0, 22, NULL, NULL)
-DEFINE_BCLOCK(mscl, BCLKCTR0, 25, NULL, NULL)
-DEFINE_BCLOCK(bdma, BCLKCTR1, 0, NULL, NULL)
-DEFINE_BCLOCK(adma0, BCLKCTR1, 1, NULL, NULL)
-DEFINE_BCLOCK(scfg, BCLKCTR1, 3, NULL, NULL)
-DEFINE_BCLOCK(cid, BCLKCTR1, 4, NULL, NULL)
-DEFINE_BCLOCK(dai1, BCLKCTR1, 7, NULL, NULL)
-DEFINE_BCLOCK(adma1, BCLKCTR1, 8, NULL, NULL)
-DEFINE_BCLOCK(gps, BCLKCTR1, 12, NULL, NULL)
-DEFINE_BCLOCK(gdma2, BCLKCTR1, 17, NULL, NULL)
-DEFINE_BCLOCK(gdma3, BCLKCTR1, 18, NULL, NULL)
-DEFINE_BCLOCK(ddrc, BCLKCTR1, 19, NULL, NULL)
-
-#define _REGISTER_CLOCK(d, n, c) \
-	{ \
-		.dev_id = d, \
-		.con_id = n, \
-		.clk = &c, \
-	},
-
-static struct clk_lookup lookups[] = {
-	_REGISTER_CLOCK(NULL, "bus", bus)
-	_REGISTER_CLOCK(NULL, "cpu", cpu)
-	_REGISTER_CLOCK(NULL, "tct", tct)
-	_REGISTER_CLOCK(NULL, "tcx", tcx)
-	_REGISTER_CLOCK(NULL, "tcz", tcz)
-	_REGISTER_CLOCK(NULL, "ref", ref)
-	_REGISTER_CLOCK(NULL, "dai0", dai0)
-	_REGISTER_CLOCK(NULL, "pic", pic)
-	_REGISTER_CLOCK(NULL, "tc", tc)
-	_REGISTER_CLOCK(NULL, "gpio", gpio)
-	_REGISTER_CLOCK(NULL, "usbd", usbd)
-	_REGISTER_CLOCK("tcc-uart.0", NULL, uart0)
-	_REGISTER_CLOCK("tcc-uart.2", NULL, uart2)
-	_REGISTER_CLOCK("tcc-i2c", NULL, i2c)
-	_REGISTER_CLOCK("tcc-uart.3", NULL, uart3)
-	_REGISTER_CLOCK(NULL, "ecc", ecc)
-	_REGISTER_CLOCK(NULL, "adc", adc)
-	_REGISTER_CLOCK("tcc-usbh.0", "usb", usbh0)
-	_REGISTER_CLOCK(NULL, "gdma0", gdma0)
-	_REGISTER_CLOCK(NULL, "lcd", lcd)
-	_REGISTER_CLOCK(NULL, "rtc", rtc)
-	_REGISTER_CLOCK(NULL, "nfc", nfc)
-	_REGISTER_CLOCK("tcc-mmc.0", NULL, sd0)
-	_REGISTER_CLOCK(NULL, "g2d", g2d)
-	_REGISTER_CLOCK(NULL, "gdma1", gdma1)
-	_REGISTER_CLOCK("tcc-uart.1", NULL, uart1)
-	_REGISTER_CLOCK("tcc-spi.0", NULL, spi0)
-	_REGISTER_CLOCK(NULL, "mscl", mscl)
-	_REGISTER_CLOCK("tcc-spi.1", NULL, spi1)
-	_REGISTER_CLOCK(NULL, "bdma", bdma)
-	_REGISTER_CLOCK(NULL, "adma0", adma0)
-	_REGISTER_CLOCK(NULL, "spdif", spdif)
-	_REGISTER_CLOCK(NULL, "scfg", scfg)
-	_REGISTER_CLOCK(NULL, "cid", cid)
-	_REGISTER_CLOCK("tcc-mmc.1", NULL, sd1)
-	_REGISTER_CLOCK("tcc-uart.4", NULL, uart4)
-	_REGISTER_CLOCK(NULL, "dai1", dai1)
-	_REGISTER_CLOCK(NULL, "adma1", adma1)
-	_REGISTER_CLOCK(NULL, "c3dec", c3dec)
-	_REGISTER_CLOCK("tcc-can.0", NULL, can0)
-	_REGISTER_CLOCK("tcc-can.1", NULL, can1)
-	_REGISTER_CLOCK(NULL, "gps", gps)
-	_REGISTER_CLOCK("tcc-gsb.0", NULL, gsb0)
-	_REGISTER_CLOCK("tcc-gsb.1", NULL, gsb1)
-	_REGISTER_CLOCK("tcc-gsb.2", NULL, gsb2)
-	_REGISTER_CLOCK("tcc-gsb.3", NULL, gsb3)
-	_REGISTER_CLOCK(NULL, "gdma2", gdma2)
-	_REGISTER_CLOCK(NULL, "gdma3", gdma3)
-	_REGISTER_CLOCK(NULL, "ddrc", ddrc)
-	_REGISTER_CLOCK("tcc-usbh.1", "usb", usbh1)
-};
-
-static struct clk *root_clk_by_index(enum root_clks src)
-{
-	switch (src) {
-	case CLK_SRC_PLL0: return &pll0;
-	case CLK_SRC_PLL1: return &pll1;
-	case CLK_SRC_PLL2: return &pll2;
-	case CLK_SRC_PLL0DIV: return &pll0div;
-	case CLK_SRC_PLL1DIV: return &pll1div;
-	case CLK_SRC_PLL2DIV: return &pll2div;
-	case CLK_SRC_XI: return &xi;
-	case CLK_SRC_XTI: return &xti;
-	case CLK_SRC_XIDIV: return &xidiv;
-	case CLK_SRC_XTIDIV: return &xtidiv;
-	default: return NULL;
-	}
-}
-
-static void find_aclk_parent(struct clk *clk)
-{
-	unsigned int src;
-	struct clk *clock;
-
-	if (!clk->aclkreg)
-		return;
-
-	src = __raw_readl(clk->aclkreg) >> ACLK_SEL_SHIFT;
-	src &= CLK_SRC_MASK;
-
-	clock = root_clk_by_index(src);
-	if (!clock)
-		return;
-
-	clk->parent = clock;
-	clk->set_parent = aclk_set_parent;
-}
-
-void __init tcc_clocks_init(unsigned long xi_freq, unsigned long xti_freq)
-{
-	int i;
-
-	xi_rate = xi_freq;
-	xti_rate = xti_freq;
-
-	/* fixup parents and add the clock */
-	for (i = 0; i < ARRAY_SIZE(lookups); i++) {
-		find_aclk_parent(lookups[i].clk);
-		clkdev_add(&lookups[i]);
-	}
-	tcc8k_timer_init(&tcz, (void __iomem *)TIMER_BASE, INT_TC32);
-}
diff --git a/arch/arm/mach-tcc8k/common.h b/arch/arm/mach-tcc8k/common.h
deleted file mode 100644
index 705690add395..000000000000
--- a/arch/arm/mach-tcc8k/common.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef MACH_TCC8K_COMMON_H
-#define MACH_TCC8K_COMMON_H
-
-#include <linux/platform_device.h>
-
-extern struct platform_device tcc_nand_device;
-
-struct clk;
-
-extern void tcc_clocks_init(unsigned long xi_freq, unsigned long xti_freq);
-extern void tcc8k_timer_init(struct clk *clock, void __iomem *base, int irq);
-extern void tcc8k_init_irq(void);
-extern void tcc8k_map_common_io(void);
-
-#endif
diff --git a/arch/arm/mach-tcc8k/devices.c b/arch/arm/mach-tcc8k/devices.c
deleted file mode 100644
index 6722ad7c2836..000000000000
--- a/arch/arm/mach-tcc8k/devices.c
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- * linux/arch/arm/mach-tcc8k/devices.c
- *
- * Copyright (C) Telechips, Inc.
- * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of GPL v2.
- *
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include <asm/mach/map.h>
-
-#include <mach/tcc8k-regs.h>
-#include <mach/irqs.h>
-
-#include "common.h"
-
-static u64 tcc8k_dmamask = DMA_BIT_MASK(32);
-
-#ifdef CONFIG_MTD_NAND_TCC
-/* NAND controller */
-static struct resource tcc_nand_resources[] = {
-	{
-		.start	= (resource_size_t)NFC_BASE,
-		.end	= (resource_size_t)NFC_BASE + 0x7f,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= INT_NFC,
-		.end	= INT_NFC,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-struct platform_device tcc_nand_device = {
-	.name = "tcc_nand",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(tcc_nand_resources),
-	.resource = tcc_nand_resources,
-};
-#endif
-
-#ifdef CONFIG_MMC_TCC8K
-/* MMC controller */
-static struct resource tcc8k_mmc0_resource[] = {
-	{
-		.start = INT_SD0,
-		.end   = INT_SD0,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-static struct resource tcc8k_mmc1_resource[] = {
-	{
-		.start = INT_SD1,
-		.end   = INT_SD1,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-struct platform_device tcc8k_mmc0_device = {
-	.name		= "tcc-mmc",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(tcc8k_mmc0_resource),
-	.resource	= tcc8k_mmc0_resource,
-	.dev		= {
-		.dma_mask		= &tcc8k_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	}
-};
-
-struct platform_device tcc8k_mmc1_device = {
-	.name		= "tcc-mmc",
-	.id		= 1,
-	.num_resources	= ARRAY_SIZE(tcc8k_mmc1_resource),
-	.resource	= tcc8k_mmc1_resource,
-	.dev		= {
-		.dma_mask		= &tcc8k_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	}
-};
-
-static inline void tcc8k_init_mmc(void)
-{
-	u32 reg = __raw_readl(GPIOPS_BASE + GPIOPS_FS1_OFFS);
-
-	reg |= GPIOPS_FS1_SDH0_BITS | GPIOPS_FS1_SDH1_BITS;
-	__raw_writel(reg, GPIOPS_BASE + GPIOPS_FS1_OFFS);
-
-	platform_device_register(&tcc8k_mmc0_device);
-	platform_device_register(&tcc8k_mmc1_device);
-}
-#else
-static inline void tcc8k_init_mmc(void) { }
-#endif
-
-#ifdef CONFIG_USB_OHCI_HCD
-static int tcc8k_ohci_init(struct device *dev)
-{
-	u32 reg;
-
-	/* Use GPIO PK19 as VBUS control output */
-	reg = __raw_readl(GPIOPK_BASE + GPIOPK_FS0_OFFS);
-	reg &= ~(1 << 19);
-	__raw_writel(reg, GPIOPK_BASE + GPIOPK_FS0_OFFS);
-	reg = __raw_readl(GPIOPK_BASE + GPIOPK_FS1_OFFS);
-	reg &= ~(1 << 19);
-	__raw_writel(reg, GPIOPK_BASE + GPIOPK_FS1_OFFS);
-
-	reg = __raw_readl(GPIOPK_BASE + GPIOPK_DOE_OFFS);
-	reg |= (1 << 19);
-	__raw_writel(reg, GPIOPK_BASE + GPIOPK_DOE_OFFS);
-	/* Turn on VBUS */
-	reg = __raw_readl(GPIOPK_BASE + GPIOPK_DAT_OFFS);
-	reg |= (1 << 19);
-	__raw_writel(reg, GPIOPK_BASE + GPIOPK_DAT_OFFS);
-
-	return 0;
-}
-
-static struct resource tcc8k_ohci0_resources[] = {
-	[0] = {
-		.start = (resource_size_t)USBH0_BASE,
-		.end   = (resource_size_t)USBH0_BASE + 0x5c,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = INT_USBH0,
-		.end   = INT_USBH0,
-		.flags = IORESOURCE_IRQ,
-	}
-};
-
-static struct resource tcc8k_ohci1_resources[] = {
-	[0] = {
-		.start = (resource_size_t)USBH1_BASE,
-		.end   = (resource_size_t)USBH1_BASE + 0x5c,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = INT_USBH1,
-		.end   = INT_USBH1,
-		.flags = IORESOURCE_IRQ,
-	}
-};
-
-static struct tccohci_platform_data tcc8k_ohci0_platform_data = {
-	.controller	= 0,
-	.port_mode	= PMM_PERPORT_MODE,
-	.init		= tcc8k_ohci_init,
-};
-
-static struct tccohci_platform_data tcc8k_ohci1_platform_data = {
-	.controller	= 1,
-	.port_mode	= PMM_PERPORT_MODE,
-	.init		= tcc8k_ohci_init,
-};
-
-static struct platform_device ohci0_device = {
-	.name = "tcc-ohci",
-	.id = 0,
-	.dev = {
-		.dma_mask = &tcc8k_dmamask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data = &tcc8k_ohci0_platform_data,
-	},
-	.num_resources  = ARRAY_SIZE(tcc8k_ohci0_resources),
-	.resource       = tcc8k_ohci0_resources,
-};
-
-static struct platform_device ohci1_device = {
-	.name = "tcc-ohci",
-	.id = 1,
-	.dev = {
-		.dma_mask = &tcc8k_dmamask,
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data = &tcc8k_ohci1_platform_data,
-	},
-	.num_resources  = ARRAY_SIZE(tcc8k_ohci1_resources),
-	.resource       = tcc8k_ohci1_resources,
-};
-
-static void __init tcc8k_init_usbhost(void)
-{
-	platform_device_register(&ohci0_device);
-	platform_device_register(&ohci1_device);
-}
-#else
-static void __init tcc8k_init_usbhost(void) { }
-#endif
-
-/* USB device controller*/
-#ifdef CONFIG_USB_GADGET_TCC8K
-static struct resource udc_resources[] = {
-	[0] = {
-		.start = INT_USBD,
-		.end   = INT_USBD,
-		.flags = IORESOURCE_IRQ,
-	},
-	[1] = {
-		.start = INT_UDMA,
-		.end   = INT_UDMA,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device tcc8k_udc_device = {
-	.name = "tcc-udc",
-	.id = 0,
-	.resource = udc_resources,
-	.num_resources = ARRAY_SIZE(udc_resources),
-	.dev = {
-		 .dma_mask = &tcc8k_dmamask,
-		 .coherent_dma_mask = DMA_BIT_MASK(32),
-	},
-};
-
-static void __init tcc8k_init_usb_gadget(void)
-{
-	platform_device_register(&tcc8k_udc_device);
-}
-#else
-static void __init tcc8k_init_usb_gadget(void) { }
-#endif	/* CONFIG_USB_GADGET_TCC83X */
-
-static int __init tcc8k_init_devices(void)
-{
-	tcc8k_init_mmc();
-	tcc8k_init_usbhost();
-	tcc8k_init_usb_gadget();
-	return 0;
-}
-
-arch_initcall(tcc8k_init_devices);
diff --git a/arch/arm/mach-tcc8k/io.c b/arch/arm/mach-tcc8k/io.c
deleted file mode 100644
index 9b39d7fa658f..000000000000
--- a/arch/arm/mach-tcc8k/io.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * linux/arch/arm/mach-tcc8k/io.c
- *
- * (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * derived from TCC83xx io.c
- * Copyright (C) Telechips, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-
-#include <asm/mach/map.h>
-
-#include <mach/tcc8k-regs.h>
-
-/*
- * The machine specific code may provide the extra mapping besides the
- * default mapping provided here.
- */
-static struct map_desc tcc8k_io_desc[] __initdata = {
-	{
-		.virtual	= (unsigned long)CS1_BASE_VIRT,
-		.pfn		= __phys_to_pfn(CS1_BASE),
-		.length		= CS1_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)AHB_PERI_BASE_VIRT,
-		.pfn		= __phys_to_pfn(AHB_PERI_BASE),
-		.length		= AHB_PERI_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)APB0_PERI_BASE_VIRT,
-		.pfn		= __phys_to_pfn(APB0_PERI_BASE),
-		.length		= APB0_PERI_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)APB1_PERI_BASE_VIRT,
-		.pfn		= __phys_to_pfn(APB1_PERI_BASE),
-		.length		= APB1_PERI_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)EXT_MEM_CTRL_BASE_VIRT,
-		.pfn		= __phys_to_pfn(EXT_MEM_CTRL_BASE),
-		.length		= EXT_MEM_CTRL_SIZE,
-		.type		= MT_DEVICE,
-	},
-};
-
-/*
- * Maps common IO regions for tcc8k.
- *
- */
-void __init tcc8k_map_common_io(void)
-{
-	iotable_init(tcc8k_io_desc, ARRAY_SIZE(tcc8k_io_desc));
-}
diff --git a/arch/arm/mach-tcc8k/irq.c b/arch/arm/mach-tcc8k/irq.c
deleted file mode 100644
index 209fa5c65d4c..000000000000
--- a/arch/arm/mach-tcc8k/irq.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) Telechips, Inc.
- * Copyright (C) 2009-2010 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GNU GPL version 2.
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
-
-#include <mach/tcc8k-regs.h>
-#include <mach/irqs.h>
-
-#include "common.h"
-
-/* Disable IRQ */
-static void tcc8000_mask_ack_irq0(struct irq_data *d)
-{
-	PIC0_IEN &= ~(1 << d->irq);
-	PIC0_CREQ |=  (1 << d->irq);
-}
-
-static void tcc8000_mask_ack_irq1(struct irq_data *d)
-{
-	PIC1_IEN &= ~(1 << (d->irq - 32));
-	PIC1_CREQ |= (1 << (d->irq - 32));
-}
-
-static void tcc8000_mask_irq0(struct irq_data *d)
-{
-	PIC0_IEN &= ~(1 << d->irq);
-}
-
-static void tcc8000_mask_irq1(struct irq_data *d)
-{
-	PIC1_IEN &= ~(1 << (d->irq - 32));
-}
-
-static void tcc8000_ack_irq0(struct irq_data *d)
-{
-	PIC0_CREQ |=  (1 << d->irq);
-}
-
-static void tcc8000_ack_irq1(struct irq_data *d)
-{
-	PIC1_CREQ |= (1 << (d->irq - 32));
-}
-
-/* Enable IRQ */
-static void tcc8000_unmask_irq0(struct irq_data *d)
-{
-	PIC0_IEN |= (1 << d->irq);
-	PIC0_INTOEN |= (1 << d->irq);
-}
-
-static void tcc8000_unmask_irq1(struct irq_data *d)
-{
-	PIC1_IEN |= (1 << (d->irq - 32));
-	PIC1_INTOEN |= (1 << (d->irq - 32));
-}
-
-static struct irq_chip tcc8000_irq_chip0 = {
-	.name		= "tcc_irq0",
-	.irq_mask	= tcc8000_mask_irq0,
-	.irq_ack	= tcc8000_ack_irq0,
-	.irq_mask_ack	= tcc8000_mask_ack_irq0,
-	.irq_unmask	= tcc8000_unmask_irq0,
-};
-
-static struct irq_chip tcc8000_irq_chip1 = {
-	.name		= "tcc_irq1",
-	.irq_mask	= tcc8000_mask_irq1,
-	.irq_ack	= tcc8000_ack_irq1,
-	.irq_mask_ack	= tcc8000_mask_ack_irq1,
-	.irq_unmask	= tcc8000_unmask_irq1,
-};
-
-void __init tcc8k_init_irq(void)
-{
-	int irqno;
-
-	/* Mask and clear all interrupts */
-	PIC0_IEN = 0x00000000;
-	PIC0_CREQ = 0xffffffff;
-	PIC1_IEN = 0x00000000;
-	PIC1_CREQ = 0xffffffff;
-
-	PIC0_MEN0 = 0x00000003;
-	PIC1_MEN1 = 0x00000003;
-	PIC1_MEN = 0x00000003;
-
-	/* let all IRQs be level triggered */
-	PIC0_TMODE = 0xffffffff;
-	PIC1_TMODE = 0xffffffff;
-	/* all IRQs are IRQs (not FIQs) */
-	PIC0_IRQSEL = 0xffffffff;
-	PIC1_IRQSEL = 0xffffffff;
-
-	for (irqno = 0; irqno < NR_IRQS; irqno++) {
-		if (irqno < 32)
-			irq_set_chip(irqno, &tcc8000_irq_chip0);
-		else
-			irq_set_chip(irqno, &tcc8000_irq_chip1);
-		irq_set_handler(irqno, handle_level_irq);
-		set_irq_flags(irqno, IRQF_VALID);
-	}
-}
diff --git a/arch/arm/mach-tcc8k/time.c b/arch/arm/mach-tcc8k/time.c
deleted file mode 100644
index a96babe83771..000000000000
--- a/arch/arm/mach-tcc8k/time.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * TCC8000 system timer setup
- *
- * (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GPL version 2.
- *
- */
-
-#include <linux/clk.h>
-#include <linux/clockchips.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
-
-#include <asm/mach/time.h>
-
-#include <mach/tcc8k-regs.h>
-#include <mach/irqs.h>
-
-#include "common.h"
-
-static void __iomem *timer_base;
-
-static int tcc_set_next_event(unsigned long evt,
-			      struct clock_event_device *unused)
-{
-	unsigned long reg = __raw_readl(timer_base + TC32MCNT_OFFS);
-
-	__raw_writel(reg + evt, timer_base + TC32CMP0_OFFS);
-	return 0;
-}
-
-static void tcc_set_mode(enum clock_event_mode mode,
-				struct clock_event_device *evt)
-{
-	unsigned long tc32irq;
-
-	switch (mode) {
-	case CLOCK_EVT_MODE_ONESHOT:
-		tc32irq = __raw_readl(timer_base + TC32IRQ_OFFS);
-		tc32irq |= TC32IRQ_IRQEN0;
-		__raw_writel(tc32irq, timer_base + TC32IRQ_OFFS);
-		break;
-	case CLOCK_EVT_MODE_SHUTDOWN:
-	case CLOCK_EVT_MODE_UNUSED:
-		tc32irq = __raw_readl(timer_base + TC32IRQ_OFFS);
-		tc32irq &= ~TC32IRQ_IRQEN0;
-		__raw_writel(tc32irq, timer_base + TC32IRQ_OFFS);
-		break;
-	case CLOCK_EVT_MODE_PERIODIC:
-	case CLOCK_EVT_MODE_RESUME:
-		break;
-	}
-}
-
-static irqreturn_t tcc8k_timer_interrupt(int irq, void *dev_id)
-{
-	struct clock_event_device *evt = dev_id;
-
-	/* Acknowledge TC32 interrupt by reading TC32IRQ */
-	__raw_readl(timer_base + TC32IRQ_OFFS);
-
-	evt->event_handler(evt);
-
-	return IRQ_HANDLED;
-}
-
-static struct clock_event_device clockevent_tcc = {
-	.name		= "tcc_timer1",
-	.features	= CLOCK_EVT_FEAT_ONESHOT,
-	.shift		= 32,
-	.set_mode	= tcc_set_mode,
-	.set_next_event	= tcc_set_next_event,
-	.rating		= 200,
-};
-
-static struct irqaction tcc8k_timer_irq = {
-	.name		= "TC32_timer",
-	.flags		= IRQF_DISABLED | IRQF_TIMER,
-	.handler	= tcc8k_timer_interrupt,
-	.dev_id		= &clockevent_tcc,
-};
-
-static int __init tcc_clockevent_init(struct clk *clock)
-{
-	unsigned int c = clk_get_rate(clock);
-
-	clocksource_mmio_init(timer_base + TC32MCNT_OFFS, "tcc_tc32", c,
-		200, 32, clocksource_mmio_readl_up);
-
-	clockevent_tcc.mult = div_sc(c, NSEC_PER_SEC,
-					clockevent_tcc.shift);
-	clockevent_tcc.max_delta_ns =
-			clockevent_delta2ns(0xfffffffe, &clockevent_tcc);
-	clockevent_tcc.min_delta_ns =
-			clockevent_delta2ns(0xff, &clockevent_tcc);
-
-	clockevent_tcc.cpumask = cpumask_of(0);
-
-	clockevents_register_device(&clockevent_tcc);
-
-	return 0;
-}
-
-void __init tcc8k_timer_init(struct clk *clock, void __iomem *base, int irq)
-{
-	u32 reg;
-
-	timer_base = base;
-	tcc8k_timer_irq.irq = irq;
-
-	/* Enable clocks */
-	clk_enable(clock);
-
-	/* Initialize 32-bit timer */
-	reg = __raw_readl(timer_base + TC32EN_OFFS);
-	reg &= ~TC32EN_ENABLE; /* Disable timer */
-	__raw_writel(reg, timer_base + TC32EN_OFFS);
-	/* Free running timer, counting from 0 to 0xffffffff */
-	__raw_writel(0, timer_base + TC32EN_OFFS);
-	__raw_writel(0, timer_base + TC32LDV_OFFS);
-	reg = __raw_readl(timer_base + TC32IRQ_OFFS);
-	reg |= TC32IRQ_IRQEN0; /* irq at match with CMP0 */
-	__raw_writel(reg, timer_base + TC32IRQ_OFFS);
-
-	__raw_writel(TC32EN_ENABLE, timer_base + TC32EN_OFFS);
-
-	tcc_clockevent_init(clock);
-	setup_irq(irq, &tcc8k_timer_irq);
-}
-- 
GitLab


From 2e3d256de9d3db5a7ca19b61305627a516b54b45 Mon Sep 17 00:00:00 2001
From: "Hans J. Koch" <hjk@hansjkoch.de>
Date: Thu, 22 Dec 2011 21:30:48 +0100
Subject: [PATCH 1594/1594] arm: Remove plat-tcc directory

The Telechips ARM architecture is being removed. This patch
deletes the arch/arm/plat-tcc/ folder.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Harry Sievers <hsievers@csselectronic.com>
Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
---
 arch/arm/plat-tcc/Kconfig                    |  20 -
 arch/arm/plat-tcc/Makefile                   |   3 -
 arch/arm/plat-tcc/clock.c                    | 179 ----
 arch/arm/plat-tcc/include/mach/clock.h       |  48 --
 arch/arm/plat-tcc/include/mach/debug-macro.S |  32 -
 arch/arm/plat-tcc/include/mach/entry-macro.S |  68 --
 arch/arm/plat-tcc/include/mach/hardware.h    |  43 -
 arch/arm/plat-tcc/include/mach/io.h          |  23 -
 arch/arm/plat-tcc/include/mach/irqs.h        |  83 --
 arch/arm/plat-tcc/include/mach/system.h      |  31 -
 arch/arm/plat-tcc/include/mach/tcc8k-regs.h  | 807 -------------------
 arch/arm/plat-tcc/include/mach/timex.h       |   5 -
 arch/arm/plat-tcc/include/mach/uncompress.h  |  34 -
 arch/arm/plat-tcc/include/mach/vmalloc.h     |  10 -
 arch/arm/plat-tcc/system.c                   |  25 -
 15 files changed, 1411 deletions(-)
 delete mode 100644 arch/arm/plat-tcc/Kconfig
 delete mode 100644 arch/arm/plat-tcc/Makefile
 delete mode 100644 arch/arm/plat-tcc/clock.c
 delete mode 100644 arch/arm/plat-tcc/include/mach/clock.h
 delete mode 100644 arch/arm/plat-tcc/include/mach/debug-macro.S
 delete mode 100644 arch/arm/plat-tcc/include/mach/entry-macro.S
 delete mode 100644 arch/arm/plat-tcc/include/mach/hardware.h
 delete mode 100644 arch/arm/plat-tcc/include/mach/io.h
 delete mode 100644 arch/arm/plat-tcc/include/mach/irqs.h
 delete mode 100644 arch/arm/plat-tcc/include/mach/system.h
 delete mode 100644 arch/arm/plat-tcc/include/mach/tcc8k-regs.h
 delete mode 100644 arch/arm/plat-tcc/include/mach/timex.h
 delete mode 100644 arch/arm/plat-tcc/include/mach/uncompress.h
 delete mode 100644 arch/arm/plat-tcc/include/mach/vmalloc.h
 delete mode 100644 arch/arm/plat-tcc/system.c

diff --git a/arch/arm/plat-tcc/Kconfig b/arch/arm/plat-tcc/Kconfig
deleted file mode 100644
index 1bf499570f42..000000000000
--- a/arch/arm/plat-tcc/Kconfig
+++ /dev/null
@@ -1,20 +0,0 @@
-if ARCH_TCC_926
-
-menu "Telechips ARM926-based CPUs"
-
-choice
-	prompt "Telechips CPU type:"
-	default ARCH_TCC8K
-
-config ARCH_TCC8K
-	bool TCC8000
-	select USB_ARCH_HAS_OHCI
-	help
-	  Support for Telechips TCC8000 systems
-
-endchoice
-
-source "arch/arm/mach-tcc8k/Kconfig"
-
-endmenu
-endif
diff --git a/arch/arm/plat-tcc/Makefile b/arch/arm/plat-tcc/Makefile
deleted file mode 100644
index eceabc869b8f..000000000000
--- a/arch/arm/plat-tcc/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-# "Telechips Platform Common Modules"
-
-obj-y := clock.o system.o
diff --git a/arch/arm/plat-tcc/clock.c b/arch/arm/plat-tcc/clock.c
deleted file mode 100644
index f3ced10d5271..000000000000
--- a/arch/arm/plat-tcc/clock.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Clock framework for Telechips SoCs
- * Based on arch/arm/plat-mxc/clock.c
- *
- * Copyright (C) 2004 - 2005 Nokia corporation
- * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
- * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
- * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
- * Copyright 2010 Hans J. Koch, hjk@linutronix.de
- *
- * Licensed under the terms of the GPL v2.
- */
-
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/errno.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/string.h>
-
-#include <mach/clock.h>
-#include <mach/hardware.h>
-
-static DEFINE_MUTEX(clocks_mutex);
-
-/*-------------------------------------------------------------------------
- * Standard clock functions defined in include/linux/clk.h
- *-------------------------------------------------------------------------*/
-
-static void __clk_disable(struct clk *clk)
-{
-	BUG_ON(clk->refcount == 0);
-
-	if (!(--clk->refcount) && clk->disable) {
-		/* Unconditionally disable the clock in hardware */
-		clk->disable(clk);
-		/* recursively disable parents */
-		if (clk->parent)
-			__clk_disable(clk->parent);
-	}
-}
-
-static int __clk_enable(struct clk *clk)
-{
-	int ret = 0;
-
-	if (clk->refcount++ == 0 && clk->enable) {
-		if (clk->parent)
-			ret = __clk_enable(clk->parent);
-		if (ret)
-			return ret;
-		else
-			return clk->enable(clk);
-	}
-
-	return 0;
-}
-
-/* This function increments the reference count on the clock and enables the
- * clock if not already enabled. The parent clock tree is recursively enabled
- */
-int clk_enable(struct clk *clk)
-{
-	int ret = 0;
-
-	if (!clk)
-		return -EINVAL;
-
-	mutex_lock(&clocks_mutex);
-	ret = __clk_enable(clk);
-	mutex_unlock(&clocks_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(clk_enable);
-
-/* This function decrements the reference count on the clock and disables
- * the clock when reference count is 0. The parent clock tree is
- * recursively disabled
- */
-void clk_disable(struct clk *clk)
-{
-	if (!clk)
-		return;
-
-	mutex_lock(&clocks_mutex);
-	__clk_disable(clk);
-	mutex_unlock(&clocks_mutex);
-}
-EXPORT_SYMBOL_GPL(clk_disable);
-
-/* Retrieve the *current* clock rate. If the clock itself
- * does not provide a special calculation routine, ask
- * its parent and so on, until one is able to return
- * a valid clock rate
- */
-unsigned long clk_get_rate(struct clk *clk)
-{
-	if (!clk)
-		return 0UL;
-
-	if (clk->get_rate)
-		return clk->get_rate(clk);
-
-	return clk_get_rate(clk->parent);
-}
-EXPORT_SYMBOL_GPL(clk_get_rate);
-
-/* Round the requested clock rate to the nearest supported
- * rate that is less than or equal to the requested rate.
- * This is dependent on the clock's current parent.
- */
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
-	if (!clk)
-		return 0;
-	if (!clk->round_rate)
-		return 0;
-
-	return clk->round_rate(clk, rate);
-}
-EXPORT_SYMBOL_GPL(clk_round_rate);
-
-/* Set the clock to the requested clock rate. The rate must
- * match a supported rate exactly based on what clk_round_rate returns
- */
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-	int ret = -EINVAL;
-
-	if (!clk)
-		return ret;
-	if (!clk->set_rate || !rate)
-		return ret;
-
-	mutex_lock(&clocks_mutex);
-	ret = clk->set_rate(clk, rate);
-	mutex_unlock(&clocks_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(clk_set_rate);
-
-/* Set the clock's parent to another clock source */
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
-	struct clk *old;
-	int ret = -EINVAL;
-
-	if (!clk)
-		return ret;
-	if (!clk->set_parent || !parent)
-		return ret;
-
-	mutex_lock(&clocks_mutex);
-	old = clk->parent;
-	if (clk->refcount)
-		__clk_enable(parent);
-	ret = clk->set_parent(clk, parent);
-	if (ret)
-		old = parent;
-	if (clk->refcount)
-		__clk_disable(old);
-	mutex_unlock(&clocks_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(clk_set_parent);
-
-/* Retrieve the clock's parent clock source */
-struct clk *clk_get_parent(struct clk *clk)
-{
-	if (!clk)
-		return NULL;
-
-	return clk->parent;
-}
-EXPORT_SYMBOL_GPL(clk_get_parent);
diff --git a/arch/arm/plat-tcc/include/mach/clock.h b/arch/arm/plat-tcc/include/mach/clock.h
deleted file mode 100644
index a12f58ad71a8..000000000000
--- a/arch/arm/plat-tcc/include/mach/clock.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Low level clock header file for Telechips TCC architecture
- * (C) 2010 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the GPL v2.
- */
-
-#ifndef __ASM_ARCH_TCC_CLOCK_H__
-#define __ASM_ARCH_TCC_CLOCK_H__
-
-#ifndef __ASSEMBLY__
-
-struct clk {
-	struct clk *parent;
-	/* id number of a root clock, 0 for normal clocks */
-	int root_id;
-	/* Reference count of clock enable/disable */
-	int refcount;
-	/* Address of associated BCLKCTRx register. Must be set. */
-	void __iomem *bclkctr;
-	/* Bit position for BCLKCTRx. Must be set. */
-	int bclk_shift;
-	/* Address of ACLKxxx register, if any. */
-	void __iomem *aclkreg;
-	/* get the current clock rate (always a fresh value) */
-	unsigned long (*get_rate) (struct clk *);
-	/* Function ptr to set the clock to a new rate. The rate must match a
-	   supported rate returned from round_rate. Leave blank if clock is not
-	   programmable */
-	int (*set_rate) (struct clk *, unsigned long);
-	/* Function ptr to round the requested clock rate to the nearest
-	   supported rate that is less than or equal to the requested rate. */
-	unsigned long (*round_rate) (struct clk *, unsigned long);
-	/* Function ptr to enable the clock. Leave blank if clock can not
-	   be gated. */
-	int (*enable) (struct clk *);
-	/* Function ptr to disable the clock. Leave blank if clock can not
-	   be gated. */
-	void (*disable) (struct clk *);
-	/* Function ptr to set the parent clock of the clock. */
-	int (*set_parent) (struct clk *, struct clk *);
-};
-
-int clk_register(struct clk *clk);
-void clk_unregister(struct clk *clk);
-
-#endif /* __ASSEMBLY__ */
-#endif /* __ASM_ARCH_MXC_CLOCK_H__ */
diff --git a/arch/arm/plat-tcc/include/mach/debug-macro.S b/arch/arm/plat-tcc/include/mach/debug-macro.S
deleted file mode 100644
index cf17d04ec30d..000000000000
--- a/arch/arm/plat-tcc/include/mach/debug-macro.S
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 1994-1999 Russell King
- * Copyright (C) 2008-2009 Telechips
- * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-		.macro	addruart, rp, rv, tmp
-		moveq	\rp, #0x90000000	@ physical base address
-		movne	\rv, #0xF1000000	@ virtual base
-		orr	\rp, \rp, #0x00007000	@ UART0
-		orr	\rv, \rv, #0x00007000	@ UART0
-		.endm
-
-		.macro	senduart,rd,rx
-		strb	\rd, [\rx, #0x44]
-		.endm
-
-		.macro	waituart,rd,rx
-		.endm
-
-		.macro	busyuart,rd,rx
-1001:
-		ldr \rd, [\rx, #0x14]
-		tst \rd, #0x20
-
-		beq 1001b
-		.endm
diff --git a/arch/arm/plat-tcc/include/mach/entry-macro.S b/arch/arm/plat-tcc/include/mach/entry-macro.S
deleted file mode 100644
index 748f401e4b6d..000000000000
--- a/arch/arm/plat-tcc/include/mach/entry-macro.S
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * include/asm-arm/arch-tcc83x/entry-macro.S
- *
- * Author : <linux@telechips.com>
- * Created: June 10, 2008
- * Description: Low-level IRQ helper macros for Telechips-based platforms
- *
- * Copyright (C) 2008-2009 Telechips
- *
- * This file is licensed under  the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <mach/hardware.h>
-#include <mach/irqs.h>
-
-	.macro	disable_fiq
-	.endm
-
-	.macro  get_irqnr_preamble, base, tmp
-	.endm
-
-	.macro  arch_ret_to_user, tmp1, tmp2
-	.endm
-
-	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
-
-		ldr	\base, =0xF2003000 @ base address of PIC registers
-
-		@@ read MREQ register of PIC0
-
-		mov	\irqnr, #0
-		ldr	\irqstat, [\base, #0x00000014 ]	@ lower 32 interrupts
-		cmp	\irqstat, #0
-		bne	1001f
-
-		@@ read MREQ register of PIC1
-
-		ldr	\irqstat, [\base, #0x00000094]	@ upper 32 interrupts
-		cmp	\irqstat, #0
-		beq	1002f
-		mov	\irqnr, #0x20
-
-1001:
-		movs	\tmp, \irqstat, lsl #16
-		movne	\irqstat, \tmp
-		addeq	\irqnr, \irqnr, #16
-
-		movs	\tmp, \irqstat, lsl #8
-		movne	\irqstat, \tmp
-		addeq	\irqnr, \irqnr, #8
-
-		movs	\tmp, \irqstat, lsl #4
-		movne	\irqstat, \tmp
-		addeq	\irqnr, \irqnr, #4
-
-		movs	\tmp, \irqstat, lsl #2
-		movne	\irqstat, \tmp
-		addeq	\irqnr, \irqnr, #2
-
-		movs	\tmp, \irqstat, lsl #1
-		addeq	\irqnr, \irqnr, #1
-		orrs	\base, \base, #1
-1002:
-		@@ exit here, Z flag unset if IRQ
-
-	.endm
diff --git a/arch/arm/plat-tcc/include/mach/hardware.h b/arch/arm/plat-tcc/include/mach/hardware.h
deleted file mode 100644
index e70d126ccaf3..000000000000
--- a/arch/arm/plat-tcc/include/mach/hardware.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Author: RidgeRun, Inc. Greg Lonnon <glonnon@ridgerun.com>
- * Reorganized for Linux-2.6 by Tony Lindgren <tony@atomide.com>
- *                          and Dirk Behme <dirk.behme@de.bosch.com>
- * Rewritten by:    <linux@telechips.com>
- * Description: Hardware definitions for TCC8300 processors and boards
- *
- * Copyright (C) 2001 RidgeRun, Inc.
- * Copyright (C) 2008-2009 Telechips
- *
- * Modifications for mainline (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GNU Pulic License version 2.
- */
-
-#ifndef __ASM_ARCH_TCC_HARDWARE_H
-#define __ASM_ARCH_TCC_HARDWARE_H
-
-#include <asm/sizes.h>
-#ifndef __ASSEMBLER__
-#include <asm/types.h>
-#endif
-#include <mach/io.h>
-
-/*
- * ----------------------------------------------------------------------------
- * Clocks
- * ----------------------------------------------------------------------------
- */
-#define CLKGEN_REG_BASE		0xfffece00
-#define ARM_CKCTL		(CLKGEN_REG_BASE + 0x0)
-#define ARM_IDLECT1		(CLKGEN_REG_BASE + 0x4)
-#define ARM_IDLECT2		(CLKGEN_REG_BASE + 0x8)
-#define ARM_EWUPCT		(CLKGEN_REG_BASE + 0xC)
-#define ARM_RSTCT1		(CLKGEN_REG_BASE + 0x10)
-#define ARM_RSTCT2		(CLKGEN_REG_BASE + 0x14)
-#define ARM_SYSST		(CLKGEN_REG_BASE + 0x18)
-#define ARM_IDLECT3		(CLKGEN_REG_BASE + 0x24)
-
-/* DPLL control registers */
-#define DPLL_CTL		0xfffecf00
-
-#endif	/* __ASM_ARCH_TCC_HARDWARE_H */
diff --git a/arch/arm/plat-tcc/include/mach/io.h b/arch/arm/plat-tcc/include/mach/io.h
deleted file mode 100644
index 3e911d3ea0f1..000000000000
--- a/arch/arm/plat-tcc/include/mach/io.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * IO definitions for TCC8000 processors and boards
- *
- * Copyright (C) 1997-1999 Russell King
- * Copyright (C) 2008-2009 Telechips
- * Copyright (C) 2010 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GNU Public License version 2.
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)			__typesafe_io(a)
-#define __mem_pci(a)		(a)
-
-#endif
diff --git a/arch/arm/plat-tcc/include/mach/irqs.h b/arch/arm/plat-tcc/include/mach/irqs.h
deleted file mode 100644
index da863894d498..000000000000
--- a/arch/arm/plat-tcc/include/mach/irqs.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * IRQ definitions for TCC8xxx
- *
- * Copyright (C) 2008-2009 Telechips
- * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GPL v2.
- *
- */
-
-#ifndef __ASM_ARCH_TCC_IRQS_H
-#define __ASM_ARCH_TCC_IRQS_H
-
-#define NR_IRQS 64
-
-/* PIC0 interrupts */
-#define INT_ADMA1	0
-#define INT_BDMA	1
-#define INT_ADMA0	2
-#define INT_GDMA1	3
-#define INT_I2S0RX	4
-#define INT_I2S0TX	5
-#define INT_TC		6
-#define INT_UART0	7
-#define INT_USBD	8
-#define INT_SPI0TX	9
-#define INT_UDMA	10
-#define INT_LIRQ	11
-#define INT_GDMA2	12
-#define INT_GDMA0	13
-#define INT_TC32	14
-#define INT_LCD		15
-#define INT_ADC		16
-#define INT_I2C		17
-#define INT_RTCP	18
-#define INT_RTCA	19
-#define INT_NFC		20
-#define INT_SD0		21
-#define INT_GSB0	22
-#define INT_PK		23
-#define INT_USBH0	24
-#define INT_USBH1	25
-#define INT_G2D		26
-#define INT_ECC		27
-#define INT_SPI0RX	28
-#define INT_UART1	29
-#define INT_MSCL	30
-#define INT_GSB1	31
-/* PIC1 interrupts */
-#define INT_E0		32
-#define INT_E1		33
-#define INT_E2		34
-#define INT_E3		35
-#define INT_E4		36
-#define INT_E5		37
-#define INT_E6		38
-#define INT_E7		39
-#define INT_UART2	40
-#define INT_UART3	41
-#define INT_SPI1TX	42
-#define INT_SPI1RX	43
-#define INT_GSB2	44
-#define INT_SPDIF	45
-#define INT_CDIF	46
-#define INT_VBON	47
-#define INT_VBOFF	48
-#define INT_SD1		49
-#define INT_UART4	50
-#define INT_GDMA3	51
-#define INT_I2S1RX	52
-#define INT_I2S1TX	53
-#define INT_CAN0	54
-#define INT_CAN1	55
-#define INT_GSB3	56
-#define INT_KRST	57
-#define INT_UNUSED	58
-#define INT_SD0D3	59
-#define INT_SD1D3	60
-#define INT_GPS0	61
-#define INT_GPS1	62
-#define INT_GPS2	63
-
-#endif  /* ASM_ARCH_TCC_IRQS_H */
diff --git a/arch/arm/plat-tcc/include/mach/system.h b/arch/arm/plat-tcc/include/mach/system.h
deleted file mode 100644
index 909e6035d843..000000000000
--- a/arch/arm/plat-tcc/include/mach/system.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Author: <linux@telechips.com>
- * Created: June 10, 2008
- * Description: LINUX SYSTEM FUNCTIONS for TCC83x
- *
- * Copyright (C) 2008-2009 Telechips
- *
- * Licensed under the terms of the GPL v2.
- *
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-#include <linux/clk.h>
-
-#include <asm/mach-types.h>
-#include <mach/hardware.h>
-
-extern void plat_tcc_reboot(void);
-
-static inline void arch_idle(void)
-{
-	cpu_do_idle();
-}
-
-static inline void arch_reset(char mode, const char *cmd)
-{
-	plat_tcc_reboot();
-}
-
-#endif
diff --git a/arch/arm/plat-tcc/include/mach/tcc8k-regs.h b/arch/arm/plat-tcc/include/mach/tcc8k-regs.h
deleted file mode 100644
index 1d9428295332..000000000000
--- a/arch/arm/plat-tcc/include/mach/tcc8k-regs.h
+++ /dev/null
@@ -1,807 +0,0 @@
-/*
- * Telechips TCC8000 register definitions
- *
- * (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GPLv2.
- */
-
-#ifndef TCC8K_REGS_H
-#define TCC8K_REGS_H
-
-#include <linux/types.h>
-
-#define EXT_SDRAM_BASE		0x20000000
-#define INT_SRAM_BASE		0x30000000
-#define INT_SRAM_SIZE		SZ_32K
-#define CS0_BASE		0x40000000
-#define CS1_BASE		0x50000000
-#define CS1_SIZE		SZ_64K
-#define CS2_BASE		0x60000000
-#define CS3_BASE		0x70000000
-#define AHB_PERI_BASE		0x80000000
-#define AHB_PERI_SIZE		SZ_64K
-#define APB0_PERI_BASE		0x90000000
-#define APB0_PERI_SIZE		SZ_128K
-#define APB1_PERI_BASE		0x98000000
-#define APB1_PERI_SIZE		SZ_128K
-#define DATA_TCM_BASE		0xa0000000
-#define DATA_TCM_SIZE		SZ_8K
-#define EXT_MEM_CTRL_BASE	0xf0000000
-#define EXT_MEM_CTRL_SIZE	SZ_4K
-
-#define CS1_BASE_VIRT		(void __iomem *)0xf7000000
-#define AHB_PERI_BASE_VIRT	(void __iomem *)0xf4000000
-#define APB0_PERI_BASE_VIRT	(void __iomem *)0xf1000000
-#define APB1_PERI_BASE_VIRT	(void __iomem *)0xf2000000
-#define EXT_MEM_CTRL_BASE_VIRT	(void __iomem *)0xf3000000
-#define INT_SRAM_BASE_VIRT	(void __iomem *)0xf5000000
-#define DATA_TCM_BASE_VIRT	(void __iomem *)0xf6000000
-
-#define __REG(x)     (*((volatile u32 *)(x)))
-
-/* USB Device Controller Registers */
-#define UDC_BASE	(AHB_PERI_BASE_VIRT + 0x8000)
-#define UDC_BASE_PHYS	(AHB_PERI_BASE + 0x8000)
-
-#define UDC_IR_OFFS		0x00
-#define UDC_EIR_OFFS		0x04
-#define UDC_EIER_OFFS		0x08
-#define UDC_FAR_OFFS		0x0c
-#define UDC_FNR_OFFS		0x10
-#define UDC_EDR_OFFS		0x14
-#define UDC_RT_OFFS		0x18
-#define UDC_SSR_OFFS		0x1c
-#define UDC_SCR_OFFS		0x20
-#define UDC_EP0SR_OFFS		0x24
-#define UDC_EP0CR_OFFS		0x28
-
-#define UDC_ESR_OFFS		0x2c
-#define UDC_ECR_OFFS		0x30
-#define UDC_BRCR_OFFS		0x34
-#define UDC_BWCR_OFFS		0x38
-#define UDC_MPR_OFFS		0x3c
-#define UDC_DCR_OFFS		0x40
-#define UDC_DTCR_OFFS		0x44
-#define UDC_DFCR_OFFS		0x48
-#define UDC_DTTCR1_OFFS		0x4c
-#define UDC_DTTCR2_OFFS		0x50
-#define UDC_ESR2_OFFS		0x54
-
-#define UDC_SCR2_OFFS		0x58
-#define UDC_EP0BUF_OFFS		0x60
-#define UDC_EP1BUF_OFFS		0x64
-#define UDC_EP2BUF_OFFS		0x68
-#define UDC_EP3BUF_OFFS		0x6c
-#define UDC_PLICR_OFFS		0xa0
-#define UDC_PCR_OFFS		0xa4
-
-#define UDC_UPCR0_OFFS		0xc8
-#define UDC_UPCR1_OFFS		0xcc
-#define UDC_UPCR2_OFFS		0xd0
-#define UDC_UPCR3_OFFS		0xd4
-
-/* Bits in UDC_EIR */
-#define UDC_EIR_EP0I		(1 << 0)
-#define UDC_EIR_EP1I		(1 << 1)
-#define UDC_EIR_EP2I		(1 << 2)
-#define UDC_EIR_EP3I		(1 << 3)
-#define UDC_EIR_EPI_MASK	0x0f
-
-/* Bits in UDC_EIER */
-#define UDC_EIER_EP0IE		(1 << 0)
-#define UDC_EIER_EP1IE		(1 << 1)
-#define UDC_EIER_EP2IE		(1 << 2)
-#define UDC_EIER_EP3IE		(1 << 3)
-
-/* Bits in UDC_FNR */
-#define UDC_FNR_FN_MASK		0x7ff
-#define UDC_FNR_SM		(1 << 13)
-#define UDC_FNR_FTL		(1 << 14)
-
-/* Bits in UDC_SSR */
-#define UDC_SSR_HFRES		(1 << 0)
-#define UDC_SSR_HFSUSP		(1 << 1)
-#define UDC_SSR_HFRM		(1 << 2)
-#define UDC_SSR_SDE		(1 << 3)
-#define UDC_SSR_HSP		(1 << 4)
-#define UDC_SSR_DM		(1 << 5)
-#define UDC_SSR_DP		(1 << 6)
-#define UDC_SSR_TBM		(1 << 7)
-#define UDC_SSR_VBON		(1 << 8)
-#define UDC_SSR_VBOFF		(1 << 9)
-#define UDC_SSR_EOERR		(1 << 10)
-#define UDC_SSR_DCERR		(1 << 11)
-#define UDC_SSR_TCERR		(1 << 12)
-#define UDC_SSR_BSERR		(1 << 13)
-#define UDC_SSR_TMERR		(1 << 14)
-#define UDC_SSR_BAERR		(1 << 15)
-
-/* Bits in UDC_SCR */
-#define UDC_SCR_HRESE		(1 << 0)
-#define UDC_SCR_HSSPE		(1 << 1)
-#define UDC_SCR_RRDE		(1 << 5)
-#define UDC_SCR_SPDEN		(1 << 6)
-#define UDC_SCR_DIEN		(1 << 12)
-
-/* Bits in UDC_EP0SR */
-#define UDC_EP0SR_RSR		(1 << 0)
-#define UDC_EP0SR_TST		(1 << 1)
-#define UDC_EP0SR_SHT		(1 << 4)
-#define UDC_EP0SR_LWO		(1 << 6)
-
-/* Bits in UDC_EP0CR */
-#define UDC_EP0CR_ESS		(1 << 1)
-
-/* Bits in UDC_ESR */
-#define UDC_ESR_RPS		(1 << 0)
-#define UDC_ESR_TPS		(1 << 1)
-#define UDC_ESR_LWO		(1 << 4)
-#define UDC_ESR_FFS		(1 << 6)
-
-/* Bits in UDC_ECR */
-#define UDC_ECR_ESS		(1 << 1)
-#define UDC_ECR_CDP		(1 << 2)
-
-#define UDC_ECR_FLUSH		(1 << 6)
-#define UDC_ECR_DUEN		(1 << 7)
-
-/* Bits in UDC_UPCR0 */
-#define UDC_UPCR0_VBD		(1 << 1)
-#define UDC_UPCR0_VBDS		(1 << 6)
-#define UDC_UPCR0_RCD_12	(0x0 << 9)
-#define UDC_UPCR0_RCD_24	(0x1 << 9)
-#define UDC_UPCR0_RCD_48	(0x2 << 9)
-#define UDC_UPCR0_RCS_EXT	(0x1 << 11)
-#define UDC_UPCR0_RCS_XTAL	(0x0 << 11)
-
-/* Bits in UDC_UPCR1 */
-#define UDC_UPCR1_CDT(x)	((x) << 0)
-#define UDC_UPCR1_OTGT(x)	((x) << 3)
-#define UDC_UPCR1_SQRXT(x)	((x) << 8)
-#define UDC_UPCR1_TXFSLST(x)	((x) << 12)
-
-/* Bits in UDC_UPCR2 */
-#define UDC_UPCR2_TP		(1 << 0)
-#define UDC_UPCR2_TXRT(x)	((x) << 2)
-#define UDC_UPCR2_TXVRT(x)	((x) << 5)
-#define UDC_UPCR2_OPMODE(x)	((x) << 9)
-#define UDC_UPCR2_XCVRSEL(x)	((x) << 12)
-#define UDC_UPCR2_TM		(1 << 14)
-
-/* USB Host Controller registers */
-#define USBH0_BASE	(AHB_PERI_BASE_VIRT + 0xb000)
-#define USBH1_BASE	(AHB_PERI_BASE_VIRT + 0xb800)
-
-#define OHCI_INT_ENABLE_OFFS	0x10
-
-#define RH_DESCRIPTOR_A_OFFS	0x48
-#define RH_DESCRIPTOR_B_OFFS	0x4c
-
-#define USBHTCFG0_OFFS		0x100
-#define USBHHCFG0_OFFS		0x104
-#define USBHHCFG1_OFFS		0x104
-
-/* DMA controller registers */
-#define DMAC0_BASE	(AHB_PERI_BASE + 0x4000)
-#define DMAC1_BASE	(AHB_PERI_BASE + 0xa000)
-#define DMAC2_BASE	(AHB_PERI_BASE + 0x4800)
-#define DMAC3_BASE	(AHB_PERI_BASE + 0xa800)
-
-#define DMAC_CH_OFFSET(ch)	(ch * 0x30)
-
-#define ST_SADR_OFFS		0x00
-#define SPARAM_OFFS		0x04
-#define C_SADR_OFFS		0x0c
-#define ST_DADR_OFFS		0x10
-#define DPARAM_OFFS		0x14
-#define C_DADR_OFFS		0x1c
-#define HCOUNT_OFFS		0x20
-#define CHCTRL_OFFS		0x24
-#define RPTCTRL_OFFS		0x28
-#define EXTREQ_A_OFFS		0x2c
-
-/* Bits in CHCTRL register */
-#define CHCTRL_EN		(1 << 0)
-
-#define CHCTRL_IEN		(1 << 2)
-#define CHCTRL_FLAG		(1 << 3)
-#define CHCTRL_WSIZE8		(0 << 4)
-#define CHCTRL_WSIZE16		(1 << 4)
-#define CHCTRL_WSIZE32		(2 << 4)
-
-#define CHCTRL_BSIZE1		(0 << 6)
-#define CHCTRL_BSIZE2		(1 << 6)
-#define CHCTRL_BSIZE4		(2 << 6)
-#define CHCTRL_BSIZE8		(3 << 6)
-
-#define CHCTRL_TYPE_SINGLE_E	(0 << 8)
-#define CHCTRL_TYPE_HW		(1 << 8)
-#define CHCTRL_TYPE_SW		(2 << 8)
-#define CHCTRL_TYPE_SINGLE_L	(3 << 8)
-
-#define CHCTRL_BST		(1 << 10)
-
-/* Use DMA controller 0, channel 2 for USB */
-#define USB_DMA_BASE		(DMAC0_BASE + DMAC_CH_OFFSET(2))
-
-/* NAND flash controller registers */
-#define NFC_BASE	(AHB_PERI_BASE_VIRT + 0xd000)
-#define NFC_BASE_PHYS	(AHB_PERI_BASE + 0xd000)
-
-#define NFC_CMD_OFFS		0x00
-#define NFC_LADDR_OFFS		0x04
-#define NFC_BADDR_OFFS		0x08
-#define NFC_SADDR_OFFS		0x0c
-#define NFC_WDATA_OFFS		0x10
-#define NFC_LDATA_OFFS		0x20
-#define NFC_SDATA_OFFS		0x40
-#define NFC_CTRL_OFFS		0x50
-#define NFC_PSTART_OFFS		0x54
-#define NFC_RSTART_OFFS		0x58
-#define NFC_DSIZE_OFFS		0x5c
-#define NFC_IREQ_OFFS		0x60
-#define NFC_RST_OFFS		0x64
-#define NFC_CTRL1_OFFS		0x68
-#define NFC_MDATA_OFFS		0x70
-
-#define NFC_WDATA_PHYS_ADDR	(NFC_BASE_PHYS + NFC_WDATA_OFFS)
-
-/* Bits in NFC_CTRL */
-#define NFC_CTRL_BHLD_MASK	(0xf << 0)
-#define NFC_CTRL_BPW_MASK	(0xf << 4)
-#define NFC_CTRL_BSTP_MASK	(0xf << 8)
-#define NFC_CTRL_CADDR_MASK	(0x7 << 12)
-#define NFC_CTRL_CADDR_1	(0x0 << 12)
-#define NFC_CTRL_CADDR_2	(0x1 << 12)
-#define NFC_CTRL_CADDR_3	(0x2 << 12)
-#define NFC_CTRL_CADDR_4	(0x3 << 12)
-#define NFC_CTRL_CADDR_5	(0x4 << 12)
-#define NFC_CTRL_MSK		(1 << 15)
-#define NFC_CTRL_PSIZE256	(0 << 16)
-#define NFC_CTRL_PSIZE512	(1 << 16)
-#define NFC_CTRL_PSIZE1024	(2 << 16)
-#define NFC_CTRL_PSIZE2048	(3 << 16)
-#define NFC_CTRL_PSIZE4096	(4 << 16)
-#define NFC_CTRL_PSIZE_MASK	(7 << 16)
-#define NFC_CTRL_BSIZE1		(0 << 19)
-#define NFC_CTRL_BSIZE2		(1 << 19)
-#define NFC_CTRL_BSIZE4		(2 << 19)
-#define NFC_CTRL_BSIZE8		(3 << 19)
-#define NFC_CTRL_BSIZE_MASK	(3 << 19)
-#define NFC_CTRL_RDY		(1 << 21)
-#define NFC_CTRL_CS0SEL		(1 << 22)
-#define NFC_CTRL_CS1SEL		(1 << 23)
-#define NFC_CTRL_CS2SEL		(1 << 24)
-#define NFC_CTRL_CS3SEL		(1 << 25)
-#define NFC_CTRL_CSMASK		(0xf << 22)
-#define NFC_CTRL_BW		(1 << 26)
-#define NFC_CTRL_FS		(1 << 27)
-#define NFC_CTRL_DEN		(1 << 28)
-#define NFC_CTRL_READ_IEN	(1 << 29)
-#define NFC_CTRL_PROG_IEN	(1 << 30)
-#define NFC_CTRL_RDY_IEN	(1 << 31)
-
-/* Bits in NFC_IREQ */
-#define NFC_IREQ_IRQ0		(1 << 0)
-#define NFC_IREQ_IRQ1		(1 << 1)
-#define NFC_IREQ_IRQ2		(1 << 2)
-
-#define NFC_IREQ_FLAG0		(1 << 4)
-#define NFC_IREQ_FLAG1		(1 << 5)
-#define NFC_IREQ_FLAG2		(1 << 6)
-
-/* MMC controller registers */
-#define MMC0_BASE	(AHB_PERI_BASE_VIRT + 0xe000)
-#define MMC1_BASE	(AHB_PERI_BASE_VIRT + 0xe800)
-
-/* UART base addresses */
-
-#define UART0_BASE	(APB0_PERI_BASE_VIRT + 0x07000)
-#define UART0_BASE_PHYS	(APB0_PERI_BASE + 0x07000)
-#define UART1_BASE	(APB0_PERI_BASE_VIRT + 0x08000)
-#define UART1_BASE_PHYS	(APB0_PERI_BASE + 0x08000)
-#define UART2_BASE	(APB0_PERI_BASE_VIRT + 0x09000)
-#define UART2_BASE_PHYS	(APB0_PERI_BASE + 0x09000)
-#define UART3_BASE	(APB0_PERI_BASE_VIRT + 0x0a000)
-#define UART3_BASE_PHYS	(APB0_PERI_BASE + 0x0a000)
-#define UART4_BASE	(APB0_PERI_BASE_VIRT + 0x15000)
-#define UART4_BASE_PHYS	(APB0_PERI_BASE + 0x15000)
-
-#define UART_BASE	UART0_BASE
-#define UART_BASE_PHYS	UART0_BASE_PHYS
-
-/* ECC controller */
-#define ECC_CTR_BASE	(APB0_PERI_BASE_VIRT + 0xd000)
-
-#define ECC_CTRL_OFFS		0x00
-#define ECC_BASE_OFFS		0x04
-#define ECC_MASK_OFFS		0x08
-#define ECC_CLEAR_OFFS		0x0c
-#define ECC4_0_OFFS		0x10
-#define ECC4_1_OFFS		0x14
-
-#define ECC_EADDR0_OFFS		0x50
-
-#define ECC_ERRNUM_OFFS		0x90
-#define ECC_IREQ_OFFS		0x94
-
-/* Bits in ECC_CTRL */
-#define ECC_CTRL_ECC4_DIEN	(1 << 28)
-#define ECC_CTRL_ECC8_DIEN	(1 << 29)
-#define ECC_CTRL_ECC12_DIEN	(1 << 30)
-#define ECC_CTRL_ECC_DISABLE	0x0
-#define ECC_CTRL_ECC_SLC_ENC	0x8
-#define ECC_CTRL_ECC_SLC_DEC	0x9
-#define ECC_CTRL_ECC4_ENC	0xa
-#define ECC_CTRL_ECC4_DEC	0xb
-#define ECC_CTRL_ECC8_ENC	0xc
-#define ECC_CTRL_ECC8_DEC	0xd
-#define ECC_CTRL_ECC12_ENC	0xe
-#define ECC_CTRL_ECC12_DEC	0xf
-
-/* Bits in ECC_IREQ */
-#define ECC_IREQ_E4DI		(1 << 4)
-
-#define ECC_IREQ_E4DF		(1 << 20)
-#define ECC_IREQ_E4EF		(1 << 21)
-
-/* Interrupt controller */
-
-#define PIC0_BASE	(APB1_PERI_BASE_VIRT + 0x3000)
-#define PIC0_BASE_PHYS	(APB1_PERI_BASE + 0x3000)
-
-#define PIC0_IEN_OFFS		0x00
-#define PIC0_CREQ_OFFS		0x04
-#define PIC0_IREQ_OFFS		0x08
-#define PIC0_IRQSEL_OFFS	0x0c
-#define PIC0_SRC_OFFS		0x10
-#define PIC0_MREQ_OFFS		0x14
-#define PIC0_TSTREQ_OFFS	0x18
-#define PIC0_POL_OFFS		0x1c
-#define PIC0_IRQ_OFFS		0x20
-#define PIC0_FIQ_OFFS		0x24
-#define PIC0_MIRQ_OFFS		0x28
-#define PIC0_MFIQ_OFFS		0x2c
-#define PIC0_TMODE_OFFS		0x30
-#define PIC0_SYNC_OFFS		0x34
-#define PIC0_WKUP_OFFS		0x38
-#define PIC0_TMODEA_OFFS	0x3c
-#define PIC0_INTOEN_OFFS	0x40
-#define PIC0_MEN0_OFFS		0x44
-#define PIC0_MEN_OFFS		0x48
-
-#define PIC0_IEN		__REG(PIC0_BASE + PIC0_IEN_OFFS)
-#define PIC0_IEN_PHYS		__REG(PIC0_BASE_PHYS + PIC0_IEN_OFFS)
-#define PIC0_CREQ		__REG(PIC0_BASE + PIC0_CREQ_OFFS)
-#define PIC0_CREQ_PHYS		__REG(PIC0_BASE_PHYS + PIC0_CREQ_OFFS)
-#define PIC0_IREQ		__REG(PIC0_BASE + PIC0_IREQ_OFFS)
-#define PIC0_IRQSEL		__REG(PIC0_BASE + PIC0_IRQSEL_OFFS)
-#define PIC0_IRQSEL_PHYS	__REG(PIC0_BASE_PHYS + PIC0_IRQSEL_OFFS)
-#define PIC0_SRC		__REG(PIC0_BASE + PIC0_SRC_OFFS)
-#define PIC0_MREQ		__REG(PIC0_BASE + PIC0_MREQ_OFFS)
-#define PIC0_TSTREQ		__REG(PIC0_BASE + PIC0_TSTREQ_OFFS)
-#define PIC0_POL		__REG(PIC0_BASE + PIC0_POL_OFFS)
-#define PIC0_IRQ		__REG(PIC0_BASE + PIC0_IRQ_OFFS)
-#define PIC0_FIQ		__REG(PIC0_BASE + PIC0_FIQ_OFFS)
-#define PIC0_MIRQ		__REG(PIC0_BASE + PIC0_MIRQ_OFFS)
-#define PIC0_MFIQ		__REG(PIC0_BASE + PIC0_MFIQ_OFFS)
-#define PIC0_TMODE		__REG(PIC0_BASE + PIC0_TMODE_OFFS)
-#define PIC0_TMODE_PHYS		__REG(PIC0_BASE_PHYS + PIC0_TMODE_OFFS)
-#define PIC0_SYNC		__REG(PIC0_BASE + PIC0_SYNC_OFFS)
-#define PIC0_WKUP		__REG(PIC0_BASE + PIC0_WKUP_OFFS)
-#define PIC0_TMODEA		__REG(PIC0_BASE + PIC0_TMODEA_OFFS)
-#define PIC0_INTOEN		__REG(PIC0_BASE + PIC0_INTOEN_OFFS)
-#define PIC0_MEN0		__REG(PIC0_BASE + PIC0_MEN0_OFFS)
-#define PIC0_MEN		__REG(PIC0_BASE + PIC0_MEN_OFFS)
-
-#define PIC1_BASE	(APB1_PERI_BASE_VIRT + 0x3080)
-
-#define PIC1_IEN_OFFS		0x00
-#define PIC1_CREQ_OFFS		0x04
-#define PIC1_IREQ_OFFS		0x08
-#define PIC1_IRQSEL_OFFS	0x0c
-#define PIC1_SRC_OFFS		0x10
-#define PIC1_MREQ_OFFS		0x14
-#define PIC1_TSTREQ_OFFS	0x18
-#define PIC1_POL_OFFS		0x1c
-#define PIC1_IRQ_OFFS		0x20
-#define PIC1_FIQ_OFFS		0x24
-#define PIC1_MIRQ_OFFS		0x28
-#define PIC1_MFIQ_OFFS		0x2c
-#define PIC1_TMODE_OFFS		0x30
-#define PIC1_SYNC_OFFS		0x34
-#define PIC1_WKUP_OFFS		0x38
-#define PIC1_TMODEA_OFFS	0x3c
-#define PIC1_INTOEN_OFFS	0x40
-#define PIC1_MEN1_OFFS		0x44
-#define PIC1_MEN_OFFS		0x48
-
-#define PIC1_IEN	__REG(PIC1_BASE + PIC1_IEN_OFFS)
-#define PIC1_CREQ	__REG(PIC1_BASE + PIC1_CREQ_OFFS)
-#define PIC1_IREQ	__REG(PIC1_BASE + PIC1_IREQ_OFFS)
-#define PIC1_IRQSEL	__REG(PIC1_BASE + PIC1_IRQSEL_OFFS)
-#define PIC1_SRC	__REG(PIC1_BASE + PIC1_SRC_OFFS)
-#define PIC1_MREQ	__REG(PIC1_BASE + PIC1_MREQ_OFFS)
-#define PIC1_TSTREQ	__REG(PIC1_BASE + PIC1_TSTREQ_OFFS)
-#define PIC1_POL	__REG(PIC1_BASE + PIC1_POL_OFFS)
-#define PIC1_IRQ	__REG(PIC1_BASE + PIC1_IRQ_OFFS)
-#define PIC1_FIQ	__REG(PIC1_BASE + PIC1_FIQ_OFFS)
-#define PIC1_MIRQ	__REG(PIC1_BASE + PIC1_MIRQ_OFFS)
-#define PIC1_MFIQ	__REG(PIC1_BASE + PIC1_MFIQ_OFFS)
-#define PIC1_TMODE	__REG(PIC1_BASE + PIC1_TMODE_OFFS)
-#define PIC1_SYNC	__REG(PIC1_BASE + PIC1_SYNC_OFFS)
-#define PIC1_WKUP	__REG(PIC1_BASE + PIC1_WKUP_OFFS)
-#define PIC1_TMODEA	__REG(PIC1_BASE + PIC1_TMODEA_OFFS)
-#define PIC1_INTOEN	__REG(PIC1_BASE + PIC1_INTOEN_OFFS)
-#define PIC1_MEN1	__REG(PIC1_BASE + PIC1_MEN1_OFFS)
-#define PIC1_MEN	__REG(PIC1_BASE + PIC1_MEN_OFFS)
-
-/* Timer registers */
-#define TIMER_BASE		(APB1_PERI_BASE_VIRT + 0x4000)
-#define TIMER_BASE_PHYS		(APB1_PERI_BASE + 0x4000)
-
-#define TWDCFG_OFFS		0x70
-
-#define TC32EN_OFFS		0x80
-#define TC32LDV_OFFS		0x84
-#define TC32CMP0_OFFS		0x88
-#define TC32CMP1_OFFS		0x8c
-#define TC32PCNT_OFFS		0x90
-#define TC32MCNT_OFFS		0x94
-#define TC32IRQ_OFFS		0x98
-
-/* Bits in TC32EN */
-#define TC32EN_PRESCALE_MASK	0x00ffffff
-#define TC32EN_ENABLE		(1 << 24)
-#define TC32EN_LOADZERO		(1 << 25)
-#define TC32EN_STOPMODE		(1 << 26)
-#define TC32EN_LDM0		(1 << 28)
-#define TC32EN_LDM1		(1 << 29)
-
-/* Bits in TC32IRQ */
-#define TC32IRQ_MSTAT_MASK	0x0000001f
-#define TC32IRQ_RSTAT_MASK	(0x1f << 8)
-#define TC32IRQ_IRQEN0		(1 << 16)
-#define TC32IRQ_IRQEN1		(1 << 17)
-#define TC32IRQ_IRQEN2		(1 << 18)
-#define TC32IRQ_IRQEN3		(1 << 19)
-#define TC32IRQ_IRQEN4		(1 << 20)
-#define TC32IRQ_RSYNC		(1 << 30)
-#define TC32IRQ_IRQCLR		(1 << 31)
-
-/* GPIO registers */
-#define GPIOPD_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOPD_DAT_OFFS		0x00
-#define GPIOPD_DOE_OFFS		0x04
-#define GPIOPD_FS0_OFFS		0x08
-#define GPIOPD_FS1_OFFS		0x0c
-#define GPIOPD_FS2_OFFS		0x10
-#define GPIOPD_RPU_OFFS		0x30
-#define GPIOPD_RPD_OFFS		0x34
-#define GPIOPD_DV0_OFFS		0x38
-#define GPIOPD_DV1_OFFS		0x3c
-
-#define GPIOPS_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOPS_DAT_OFFS		0x40
-#define GPIOPS_DOE_OFFS		0x44
-#define GPIOPS_FS0_OFFS		0x48
-#define GPIOPS_FS1_OFFS		0x4c
-#define GPIOPS_FS2_OFFS		0x50
-#define GPIOPS_FS3_OFFS		0x54
-#define GPIOPS_RPU_OFFS		0x70
-#define GPIOPS_RPD_OFFS		0x74
-#define GPIOPS_DV0_OFFS		0x78
-#define GPIOPS_DV1_OFFS		0x7c
-
-#define GPIOPS_FS1_SDH0_BITS	0x000000ff
-#define GPIOPS_FS1_SDH1_BITS	0x0000ff00
-
-#define GPIOPU_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOPU_DAT_OFFS		0x80
-#define GPIOPU_DOE_OFFS		0x84
-#define GPIOPU_FS0_OFFS		0x88
-#define GPIOPU_FS1_OFFS		0x8c
-#define GPIOPU_FS2_OFFS		0x90
-#define GPIOPU_RPU_OFFS		0xb0
-#define GPIOPU_RPD_OFFS		0xb4
-#define GPIOPU_DV0_OFFS		0xb8
-#define GPIOPU_DV1_OFFS		0xbc
-
-#define GPIOPU_FS0_TXD0		(1 << 0)
-#define GPIOPU_FS0_RXD0		(1 << 1)
-#define GPIOPU_FS0_CTS0		(1 << 2)
-#define GPIOPU_FS0_RTS0		(1 << 3)
-#define GPIOPU_FS0_TXD1		(1 << 4)
-#define GPIOPU_FS0_RXD1		(1 << 5)
-#define GPIOPU_FS0_CTS1		(1 << 6)
-#define GPIOPU_FS0_RTS1		(1 << 7)
-#define GPIOPU_FS0_TXD2		(1 << 8)
-#define GPIOPU_FS0_RXD2		(1 << 9)
-#define GPIOPU_FS0_CTS2		(1 << 10)
-#define GPIOPU_FS0_RTS2		(1 << 11)
-#define GPIOPU_FS0_TXD3		(1 << 12)
-#define GPIOPU_FS0_RXD3		(1 << 13)
-#define GPIOPU_FS0_CTS3		(1 << 14)
-#define GPIOPU_FS0_RTS3		(1 << 15)
-#define GPIOPU_FS0_TXD4		(1 << 16)
-#define GPIOPU_FS0_RXD4		(1 << 17)
-#define GPIOPU_FS0_CTS4		(1 << 18)
-#define GPIOPU_FS0_RTS4		(1 << 19)
-
-#define GPIOFC_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOFC_DAT_OFFS		0xc0
-#define GPIOFC_DOE_OFFS		0xc4
-#define GPIOFC_FS0_OFFS		0xc8
-#define GPIOFC_FS1_OFFS		0xcc
-#define GPIOFC_FS2_OFFS		0xd0
-#define GPIOFC_FS3_OFFS		0xd4
-#define GPIOFC_RPU_OFFS		0xf0
-#define GPIOFC_RPD_OFFS		0xf4
-#define GPIOFC_DV0_OFFS		0xf8
-#define GPIOFC_DV1_OFFS		0xfc
-
-#define GPIOFD_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOFD_DAT_OFFS		0x100
-#define GPIOFD_DOE_OFFS		0x104
-#define GPIOFD_FS0_OFFS		0x108
-#define GPIOFD_FS1_OFFS		0x10c
-#define GPIOFD_FS2_OFFS		0x110
-#define GPIOFD_RPU_OFFS		0x130
-#define GPIOFD_RPD_OFFS		0x134
-#define GPIOFD_DV0_OFFS		0x138
-#define GPIOFD_DV1_OFFS		0x13c
-
-#define GPIOLC_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOLC_DAT_OFFS		0x140
-#define GPIOLC_DOE_OFFS		0x144
-#define GPIOLC_FS0_OFFS		0x148
-#define GPIOLC_FS1_OFFS		0x14c
-#define GPIOLC_RPU_OFFS		0x170
-#define GPIOLC_RPD_OFFS		0x174
-#define GPIOLC_DV0_OFFS		0x178
-#define GPIOLC_DV1_OFFS		0x17c
-
-#define GPIOLD_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOLD_DAT_OFFS		0x180
-#define GPIOLD_DOE_OFFS		0x184
-#define GPIOLD_FS0_OFFS		0x188
-#define GPIOLD_FS1_OFFS		0x18c
-#define GPIOLD_FS2_OFFS		0x190
-#define GPIOLD_RPU_OFFS		0x1b0
-#define GPIOLD_RPD_OFFS		0x1b4
-#define GPIOLD_DV0_OFFS		0x1b8
-#define GPIOLD_DV1_OFFS		0x1bc
-
-#define GPIOAD_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOAD_DAT_OFFS		0x1c0
-#define GPIOAD_DOE_OFFS		0x1c4
-#define GPIOAD_FS0_OFFS		0x1c8
-#define GPIOAD_RPU_OFFS		0x1f0
-#define GPIOAD_RPD_OFFS		0x1f4
-#define GPIOAD_DV0_OFFS		0x1f8
-#define GPIOAD_DV1_OFFS		0x1fc
-
-#define GPIOXC_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOXC_DAT_OFFS		0x200
-#define GPIOXC_DOE_OFFS		0x204
-#define GPIOXC_FS0_OFFS		0x208
-#define GPIOXC_RPU_OFFS		0x230
-#define GPIOXC_RPD_OFFS		0x234
-#define GPIOXC_DV0_OFFS		0x238
-#define GPIOXC_DV1_OFFS		0x23c
-
-#define GPIOXC_FS0		__REG(GPIOXC_BASE + GPIOXC_FS0_OFFS)
-
-#define GPIOXC_FS0_CS0		(1 << 26)
-#define GPIOXC_FS0_CS1		(1 << 27)
-
-#define GPIOXD_BASE		(APB1_PERI_BASE_VIRT + 0x5000)
-
-#define GPIOXD_DAT_OFFS		0x240
-#define GPIOXD_FS0_OFFS		0x248
-#define GPIOXD_RPU_OFFS		0x270
-#define GPIOXD_RPD_OFFS		0x274
-#define GPIOXD_DV0_OFFS		0x278
-#define GPIOXD_DV1_OFFS		0x27c
-
-#define GPIOPK_BASE		(APB1_PERI_BASE_VIRT + 0x1c000)
-
-#define GPIOPK_RST_OFFS		0x008
-#define GPIOPK_DAT_OFFS		0x100
-#define GPIOPK_DOE_OFFS		0x104
-#define GPIOPK_FS0_OFFS		0x108
-#define GPIOPK_FS1_OFFS		0x10c
-#define GPIOPK_FS2_OFFS		0x110
-#define GPIOPK_IRQST_OFFS	0x210
-#define GPIOPK_IRQEN_OFFS	0x214
-#define GPIOPK_IRQPOL_OFFS	0x218
-#define GPIOPK_IRQTM0_OFFS	0x21c
-#define GPIOPK_IRQTM1_OFFS	0x220
-#define GPIOPK_CTL_OFFS		0x22c
-
-#define PMGPIO_BASE		(APB1_PERI_BASE_VIRT + 0x10000)
-#define BACKUP_RAM_BASE		PMGPIO_BASE
-
-#define PMGPIO_DAT_OFFS		0x800
-#define PMGPIO_DOE_OFFS		0x804
-#define PMGPIO_FS0_OFFS		0x808
-#define PMGPIO_RPU_OFFS		0x810
-#define PMGPIO_RPD_OFFS		0x814
-#define PMGPIO_DV0_OFFS		0x818
-#define PMGPIO_DV1_OFFS		0x81c
-#define PMGPIO_EE0_OFFS		0x820
-#define PMGPIO_EE1_OFFS		0x824
-#define PMGPIO_CTL_OFFS		0x828
-#define PMGPIO_DI_OFFS		0x82c
-#define PMGPIO_STR_OFFS		0x830
-#define PMGPIO_STF_OFFS		0x834
-#define PMGPIO_POL_OFFS		0x838
-#define PMGPIO_APB_OFFS		0x800
-
-/* Clock controller registers */
-#define CKC_BASE	((void __iomem *)(APB1_PERI_BASE_VIRT + 0x6000))
-
-#define CLKCTRL_OFFS		0x00
-#define PLL0CFG_OFFS		0x04
-#define PLL1CFG_OFFS		0x08
-#define CLKDIVC0_OFFS		0x0c
-
-#define BCLKCTR0_OFFS		0x14
-#define SWRESET0_OFFS		0x18
-
-#define BCLKCTR1_OFFS		0x60
-#define SWRESET1_OFFS		0x64
-#define PWDCTL_OFFS		0x68
-#define PLL2CFG_OFFS		0x6c
-#define CLKDIVC1_OFFS		0x70
-
-#define ACLKREF_OFFS		0x80
-#define ACLKI2C_OFFS		0x84
-#define ACLKSPI0_OFFS		0x88
-#define ACLKSPI1_OFFS		0x8c
-#define ACLKUART0_OFFS		0x90
-#define ACLKUART1_OFFS		0x94
-#define ACLKUART2_OFFS		0x98
-#define ACLKUART3_OFFS		0x9c
-#define ACLKUART4_OFFS		0xa0
-#define ACLKTCT_OFFS		0xa4
-#define ACLKTCX_OFFS		0xa8
-#define ACLKTCZ_OFFS		0xac
-#define ACLKADC_OFFS		0xb0
-#define ACLKDAI0_OFFS		0xb4
-#define ACLKDAI1_OFFS		0xb8
-#define ACLKLCD_OFFS		0xbc
-#define ACLKSPDIF_OFFS		0xc0
-#define ACLKUSBH_OFFS		0xc4
-#define ACLKSDH0_OFFS		0xc8
-#define ACLKSDH1_OFFS		0xcc
-#define ACLKC3DEC_OFFS		0xd0
-#define ACLKEXT_OFFS		0xd4
-#define ACLKCAN0_OFFS		0xd8
-#define ACLKCAN1_OFFS		0xdc
-#define ACLKGSB0_OFFS		0xe0
-#define ACLKGSB1_OFFS		0xe4
-#define ACLKGSB2_OFFS		0xe8
-#define ACLKGSB3_OFFS		0xec
-
-#define PLLxCFG_PD		(1 << 31)
-
-/* CLKCTRL bits */
-#define CLKCTRL_XE		(1 << 31)
-
-/* CLKDIVCx bits */
-#define CLKDIVC0_XTE		(1 << 7)
-#define CLKDIVC0_XE		(1 << 15)
-#define CLKDIVC0_P1E		(1 << 23)
-#define CLKDIVC0_P0E		(1 << 31)
-
-#define CLKDIVC1_P2E		(1 << 7)
-
-/* BCLKCTR0 clock bits */
-#define BCLKCTR0_USBD		(1 << 4)
-#define BCLKCTR0_ECC		(1 << 9)
-#define BCLKCTR0_USBH0		(1 << 11)
-#define BCLKCTR0_NFC		(1 << 16)
-
-/* BCLKCTR1 clock bits */
-#define BCLKCTR1_USBH1		(1 << 20)
-
-/* SWRESET0 bits */
-#define SWRESET0_USBD		(1 << 4)
-#define SWRESET0_USBH0		(1 << 11)
-
-/* SWRESET1 bits */
-#define SWRESET1_USBH1		(1 << 20)
-
-/* System clock sources.
- * Note: These are the clock sources that serve as parents for
- * all other clocks. They have no parents themselves.
- *
- * These values are used for struct clk->root_id. All clocks
- * that are not system clock sources have this value set to
- * CLK_SRC_NOROOT.
- * The values for system clocks start with CLK_SRC_PLL0 == 0
- * because this gives us exactly the values needed for the lower
- * 4 bits of ACLK_* registers. Therefore, CLK_SRC_NOROOT is
- * defined as -1 to not disturb the order.
- */
-enum root_clks {
-	CLK_SRC_NOROOT = -1,
-	CLK_SRC_PLL0 = 0,
-	CLK_SRC_PLL1,
-	CLK_SRC_PLL0DIV,
-	CLK_SRC_PLL1DIV,
-	CLK_SRC_XI,
-	CLK_SRC_XIDIV,
-	CLK_SRC_XTI,
-	CLK_SRC_XTIDIV,
-	CLK_SRC_PLL2,
-	CLK_SRC_PLL2DIV,
-	CLK_SRC_PK0,
-	CLK_SRC_PK1,
-	CLK_SRC_PK2,
-	CLK_SRC_PK3,
-	CLK_SRC_PK4,
-	CLK_SRC_48MHZ
-};
-
-#define CLK_SRC_MASK		0xf
-
-/* Bits in ACLK* registers */
-#define ACLK_EN		(1 << 28)
-#define ACLK_SEL_SHIFT		24
-#define ACLK_SEL_MASK		0x0f000000
-#define ACLK_DIV_MASK		0x00000fff
-
-/* System configuration registers */
-
-#define SCFG_BASE		(APB1_PERI_BASE_VIRT + 0x13000)
-
-#define	BMI_OFFS		0x00
-#define AHBCON0_OFFS		0x04
-#define APBPWE_OFFS		0x08
-#define DTCMWAIT_OFFS		0x0c
-#define ECCSEL_OFFS		0x10
-#define AHBCON1_OFFS		0x14
-#define SDHCFG_OFFS		0x18
-#define REMAP_OFFS		0x20
-#define LCDSIAE_OFFS		0x24
-#define XMCCFG_OFFS		0xe0
-#define IMCCFG_OFFS		0xe4
-
-/* Values for ECCSEL */
-#define ECCSEL_EXTMEM		0x0
-#define ECCSEL_DTCM		0x1
-#define ECCSEL_INT_SRAM		0x2
-#define ECCSEL_AHB		0x3
-
-/* Bits in XMCCFG */
-#define XMCCFG_NFCE		(1 << 1)
-#define XMCCFG_FDXD		(1 << 2)
-
-/* External memory controller registers */
-
-#define EMC_BASE		EXT_MEM_CTRL_BASE
-
-#define SDCFG_OFFS		0x00
-#define SDFSM_OFFS		0x04
-#define MCFG_OFFS		0x08
-
-#define CSCFG0_OFFS		0x10
-#define CSCFG1_OFFS		0x14
-#define CSCFG2_OFFS		0x18
-#define CSCFG3_OFFS		0x1c
-
-#define MCFG_SDEN		(1 << 4)
-
-#endif /* TCC8K_REGS_H */
diff --git a/arch/arm/plat-tcc/include/mach/timex.h b/arch/arm/plat-tcc/include/mach/timex.h
deleted file mode 100644
index 057acbe651d9..000000000000
--- a/arch/arm/plat-tcc/include/mach/timex.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- * A definition needed by arch core code.
- *
- */
-#define CLOCK_TICK_RATE		(HZ * 100000UL)
diff --git a/arch/arm/plat-tcc/include/mach/uncompress.h b/arch/arm/plat-tcc/include/mach/uncompress.h
deleted file mode 100644
index 7a3e33a27a30..000000000000
--- a/arch/arm/plat-tcc/include/mach/uncompress.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
- *
- * This file is licensed under the terms of the GPL version 2.
- */
-
-#include <linux/serial_reg.h>
-#include <linux/types.h>
-
-#include <mach/tcc8k-regs.h>
-
-unsigned int system_rev;
-
-#define ID_MASK			0x7fff
-
-static void putc(int c)
-{
-	u32 *uart_lsr = (u32 *)(UART_BASE_PHYS + (UART_LSR << 2));
-	u32 *uart_tx = (u32 *)(UART_BASE_PHYS + (UART_TX << 2));
-
-	while (!(*uart_lsr & UART_LSR_THRE))
-		barrier();
-	*uart_tx = c;
-}
-
-static inline void flush(void)
-{
-}
-
-/*
- * nothing to do
- */
-#define arch_decomp_setup()
-#define arch_decomp_wdog()
diff --git a/arch/arm/plat-tcc/include/mach/vmalloc.h b/arch/arm/plat-tcc/include/mach/vmalloc.h
deleted file mode 100644
index 99414d9c2b94..000000000000
--- a/arch/arm/plat-tcc/include/mach/vmalloc.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * Author: <linux@telechips.com>
- * Created: June 10, 2008
- *
- * Copyright (C) 2000 Russell King.
- * Copyright (C) 2008-2009 Telechips
- *
- * Licensed under the terms of the GPL v2.
- */
-#define VMALLOC_END	0xf0000000UL
diff --git a/arch/arm/plat-tcc/system.c b/arch/arm/plat-tcc/system.c
deleted file mode 100644
index cc208fae3e7a..000000000000
--- a/arch/arm/plat-tcc/system.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * System functions for Telechips TCCxxxx SoCs
- *
- * Copyright (C) Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GPL v2.
- *
- */
-
-#include <linux/io.h>
-
-#include <mach/tcc8k-regs.h>
-
-/* System reboot */
-void plat_tcc_reboot(void)
-{
-	/* Make sure clocks are on */
-	__raw_writel(0xffffffff, CKC_BASE + BCLKCTR0_OFFS);
-
-	/* Enable watchdog reset */
-	__raw_writel(0x49, TIMER_BASE + TWDCFG_OFFS);
-	/* Wait for reset */
-	while(1)
-		;
-}
-- 
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