[PATCH 6/8] dmaengine: stm32-dma: add copy_align constraint
From: Amelie Delaunay <hidden>
Date: 2020-01-29 15:36:58
Also in:
linux-arm-kernel, lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
This patch adds copy_align property in accordance with hardware restriction. Signed-off-by: Ludovic Barre <redacted> Signed-off-by: Amelie Delaunay <redacted> --- drivers/dma/stm32-dma.c | 1 + 1 file changed, 1 insertion(+)
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;
--
2.17.1