Patchwork [v5,5/5] dmaengine: imx-sdma: fix consistent dma test failures

login
register
mail settings
Submitter Angus Ainslie
Date Jan. 28, 2019, 6:08 a.m.
Message ID <20190128060840.31695-6-angus@akkea.ca>
Download mbox | patch
Permalink /patch/710619/
State New
Headers show

Comments

Angus Ainslie - Jan. 28, 2019, 6:08 a.m.
Without the copy being aligned sdma1 fails ~10% of the time

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
---
 drivers/dma/imx-sdma.c | 1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index d5f86becf59e..88910ec09568 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -2118,6 +2118,7 @@  static int sdma_probe(struct platform_device *pdev)
 	sdma->dma_device.device_prep_dma_memcpy = sdma_prep_memcpy;
 	sdma->dma_device.device_issue_pending = sdma_issue_pending;
 	sdma->dma_device.dev->dma_parms = &sdma->dma_parms;
+	sdma->dma_device.copy_align = 2;
 	dma_set_max_seg_size(sdma->dma_device.dev, SDMA_BD_MAX_CNT);
 
 	platform_set_drvdata(pdev, sdma);