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| author | Frank Li <Frank.Li@nxp.com> | 2024-01-23 12:28:41 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-16 19:10:42 +0100 |
| commit | 9851389b1c39b0fb54387105dd654e614d6749ef (patch) | |
| tree | b80b977f000473c328ae109eb1f471dd0628fadf /include | |
| parent | f7799ecf30beaf55289447e94856cd88ba61609b (diff) | |
| download | linux-stable-9851389b1c39b0fb54387105dd654e614d6749ef.tar.gz linux-stable-9851389b1c39b0fb54387105dd654e614d6749ef.tar.bz2 linux-stable-9851389b1c39b0fb54387105dd654e614d6749ef.zip | |
dmaengine: fix is_slave_direction() return false when DMA_DEV_TO_DEV
[ Upstream commit a22fe1d6dec7e98535b97249fdc95c2be79120bb ]
is_slave_direction() should return true when direction is DMA_DEV_TO_DEV.
Fixes: 49920bc66984 ("dmaengine: add new enum dma_transfer_direction")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240123172842.3764529-1-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dmaengine.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index c3656e590213..cff3dba65820 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -955,7 +955,8 @@ static inline int dmaengine_slave_config(struct dma_chan *chan, static inline bool is_slave_direction(enum dma_transfer_direction direction) { - return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM); + return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM) || + (direction == DMA_DEV_TO_DEV); } static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single( |