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| author | Amelie Delaunay <amelie.delaunay@st.com> | 2020-01-29 18:36:25 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-02-25 08:45:05 +0300 |
| commit | d7a9e42609cab42bf748a66756270652187df084 (patch) | |
| tree | 66b529627e650843e603739ccc890e2dd6b720ee /drivers/dma/stm32-dma.c | |
| parent | 22a0bb297cdca9d02407db603bbed84986ef5c05 (diff) | |
| download | linux-d7a9e42609cab42bf748a66756270652187df084.tar.xz | |
dmaengine: stm32-dma: use dma_set_max_seg_size to set the sg limit
This patch adds dma_set_max_seg_size to define sg dma constraint.
This constraint may be taken into account by client to scatter/gather
its buffer.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20200129153628.29329-6-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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c index 25f7281932bd..b7e18cfcd439 100644 --- a/drivers/dma/stm32-dma.c +++ b/drivers/dma/stm32-dma.c @@ -1323,6 +1323,8 @@ static int stm32_dma_probe(struct platform_device *pdev) reset_control_deassert(rst); } + dma_set_max_seg_size(&pdev->dev, STM32_DMA_ALIGNED_MAX_DATA_ITEMS); + dma_cap_set(DMA_SLAVE, dd->cap_mask); dma_cap_set(DMA_PRIVATE, dd->cap_mask); dma_cap_set(DMA_CYCLIC, dd->cap_mask); |