From: Angus Ainslie <angus@akkea.ca>
To: angus@akkea.ca
Cc: angus.ainslie@puri.sm, Vinod Koul <vkoul@kernel.org>,
dmaengine@vger.kernel.org, NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Lucas Stach <l.stach@pengutronix.de>,
Daniel Baluta <daniel.baluta@gmail.com>
Subject: [v5,5/5] dmaengine: imx-sdma: fix consistent dma test failures
Date: Sun, 27 Jan 2019 23:08:40 -0700 [thread overview]
Message-ID: <20190128060840.31695-6-angus@akkea.ca> (raw)
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(+)
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);
reply other threads:[~2019-01-28 6:08 UTC|newest]
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