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dmaengine: stm32-mdma: use dev_dbg on non-busy channel spurious it
authorAmelie Delaunay <amelie.delaunay@foss.st.com>
Wed, 4 May 2022 15:53:22 +0000 (17:53 +0200)
committerVinod Koul <vkoul@kernel.org>
Thu, 19 May 2022 17:51:28 +0000 (23:21 +0530)
commit2763826966808800beeda5db406b3b704edc8137
tree1df4079cfe6ea2bba58434244bc65bc79398cec7tree | snapshot
parentda3b8ddb464bd49b6248d00ca888ad751c9e44fdcommit | diff
dmaengine: stm32-mdma: use dev_dbg on non-busy channel spurious it

If interrupt occurs while !chan->busy, it means channel has been disabled
between the raise of the interruption and the read of status and ien, so,
spurious interrupt can be silently discarded.

Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20220504155322.121431-4-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/stm32-mdma.c diff | blob | history
Domain: System / Kernel;