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Commit 10823452 authored by Catalin Marinas's avatar Catalin Marinas Committed by Jeff Garzik
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sata_sil24: Use memory barriers before issuing commands



The data in the cmd_block buffers may reach the main memory after the
writel() to the device ports. This patch introduces two calls to wmb()
to ensure the relative ordering.

Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Tested-by: default avatarColin Tuckley <colin.tuckley@arm.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 14e45c15
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