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authorTudor Ambarus <tudor.ambarus@microchip.com>2021-12-15 12:01:07 +0100
committerVinod Koul <vkoul@kernel.org>2022-01-05 11:20:03 +0100
commit506875c30fc5bf92246060bc3b4c38799646266b (patch)
tree9463c6b93b3be1abb297ea6c3eeb2fd8c4bdffff /Documentation/driver-api/clk.rst
parentdmaengine: at_xdmac: Print debug message after realeasing the lock (diff)
downloadlinux-506875c30fc5bf92246060bc3b4c38799646266b.tar.xz
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dmaengine: at_xdmac: Fix concurrency over chan's completed_cookie
Caller of dma_cookie_complete is expected to hold a lock to prevent concurrency over the channel's completed cookie marker. Call dma_cookie_complete() with the lock held. Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver") Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Link: https://lore.kernel.org/r/20211215110115.191749-5-tudor.ambarus@microchip.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
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