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Commit 29c6f9d9 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by bgman111111
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iio: adc: stm32-adc: Use dma_request_chan() instead dma_request_slave_channel()



[ Upstream commit 735404b846dffcb320264f62b76e6f70012214dd ]

dma_request_slave_channel() is a wrapper on top of dma_request_chan()
eating up the error code.

By using dma_request_chan() directly the driver can support deferred
probing against DMA.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: default avatarFabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 408b434b
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