projects / platform / kernel / linux-starfive.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 0bb80ec) | patch
dmaengine: fsl-dma: fix DMA error when enabling sg if 'DONE' bit is set
authorFrank Li <Frank.Li@nxp.com>
Thu, 21 Sep 2023 14:46:52 +0000 (10:46 -0400)
committerVinod Koul <vkoul@kernel.org>
Thu, 28 Sep 2023 11:20:34 +0000 (16:50 +0530)
commit3c67c5236fbf7a58c1a26d57da4465ea5fb25537
tree5b612c94179f0d3a247a777bd7fd9d0017f1bb36tree | snapshot
parent0bb80ecc33a8fb5a682236443c1e740d5c917d1dcommit | diff
dmaengine: fsl-dma: fix DMA error when enabling sg if 'DONE' bit is set

In eDMAv3, clearing 'DONE' bit (bit 30) of CHn_CSR is required when
enabling scatter-gather (SG). eDMAv4 does not require this change.

Cc: stable@vger.kernel.org
Fixes: 72f5801a4e2b ("dmaengine: fsl-edma: integrate v3 support")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20230921144652.3259813-1-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/fsl-edma-common.c diff | blob | history
drivers/dma/fsl-edma-common.h diff | blob | history
drivers/dma/fsl-edma-main.c diff | blob | history
Domain: System / Kernel;