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dmaengine: fix is_slave_direction() return false when DMA_DEV_TO_DEV

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[ Upstream commit a22fe1d6de ]

is_slave_direction() should return true when direction is DMA_DEV_TO_DEV.

Fixes: 49920bc669 ("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>
This commit is contained in:
Frank Li 2024-01-23 12:28:41 -05:00 committed by Greg Kroah-Hartman
parent 9bb3bf598f
commit 743259cc17
1 changed files with 2 additions and 1 deletions
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3
include/linux/dmaengine.h
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@ -827,7 +827,8 @@ 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(