diff options
| author | Amelie Delaunay <amelie.delaunay@st.com> | 2020-01-29 18:36:26 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-02-25 08:45:05 +0300 |
| commit | 32ce108833a8424c686d9f82db231a6039290d41 (patch) | |
| tree | 20219df69b2c2f6b6eb85c1ff1b542440a075d80 /drivers/dma/stm32-dma.c | |
| parent | d7a9e42609cab42bf748a66756270652187df084 (diff) | |
| download | linux-32ce108833a8424c686d9f82db231a6039290d41.tar.xz | |
dmaengine: stm32-dma: add copy_align constraint
This patch adds copy_align property in accordance with hardware
restriction.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20200129153628.29329-7-amelie.delaunay@st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/stm32-dma.c')
| -rw-r--r-- | drivers/dma/stm32-dma.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c index b7e18cfcd439..01a2374ae03a 100644 --- a/drivers/dma/stm32-dma.c +++ b/drivers/dma/stm32-dma.c @@ -1345,6 +1345,7 @@ static int stm32_dma_probe(struct platform_device *pdev) BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); dd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); dd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; + dd->copy_align = DMAENGINE_ALIGN_32_BYTES; dd->max_burst = STM32_DMA_MAX_BURST; dd->descriptor_reuse = true; dd->dev = &pdev->dev; |