From: "Angus Ainslie (Purism)" <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: [PATCH v6 3/3] dmaengine: imx-sdma: fix consistent dma test failures
Date: Mon, 28 Jan 2019 09:03:23 -0700 [thread overview]
Message-ID: <20190128160323.28170-4-angus@akkea.ca> (raw)
In-Reply-To: <20190128160323.28170-1-angus@akkea.ca>
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 d2fae53be689..e7d4d8390813 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -2114,6 +2114,7 @@ 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);
--
2.17.1
next prev parent reply other threads:[~2019-01-28 16:04 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-20 2:31 [PATCH v2 0/3] dma: imx-sdma: add the sdma engine to the imx8mq Angus Ainslie (Purism)
2019-01-20 2:31 ` [PATCH v2 1/3] dma: imx-sdma: fix NULL pointer de-reference Angus Ainslie (Purism)
2019-01-20 9:54 ` Daniel Baluta
2019-01-20 15:04 ` Angus Ainslie
2019-01-20 2:31 ` [PATCH v2 2/3] dma: imx-sdma: add clock ratio 1:1 check Angus Ainslie (Purism)
2019-01-20 9:58 ` Daniel Baluta
2019-01-20 14:38 ` Angus Ainslie
2019-01-20 18:00 ` Daniel Baluta
2019-01-21 9:17 ` Lucas Stach
2019-01-21 14:43 ` Angus Ainslie
2019-01-20 2:31 ` [PATCH v2 3/3] imx8mq.dtsi: add the sdma nodes Angus Ainslie (Purism)
2019-01-23 15:23 ` [PATCH v3 0/5] dma: imx-sdma: add the sdma engine to the imx8mq Angus Ainslie (Purism)
2019-01-23 15:23 ` [PATCH v3 1/5] dma: imx-sdma: add clock ratio 1:1 check Angus Ainslie (Purism)
2019-01-23 15:43 ` Lucas Stach
2019-01-23 15:23 ` [PATCH v3 2/5] dma: imx-sdma: add imx8mq sdma compatible parts Angus Ainslie (Purism)
2019-01-23 15:23 ` [PATCH v3 3/5] dt-bindings: dma: fsl-imx-sdma: add imx8mq compatible string Angus Ainslie (Purism)
2019-01-23 15:23 ` [PATCH v3 4/5] dma: imx-sdma: add an index for imx8mq multi sdma devices Angus Ainslie (Purism)
2019-01-23 15:31 ` Lucas Stach
2019-01-23 15:42 ` Angus Ainslie
2019-01-23 15:55 ` Vinod Koul
2019-01-23 15:23 ` [PATCH v3 5/5] imx8mq.dtsi: add the sdma nodes Angus Ainslie (Purism)
2019-01-23 16:50 ` Lucas Stach
2019-01-25 2:55 ` [PATCH v4 0/5] dmaengine: imx-sdma: add the sdma engine to the imx8mq Angus Ainslie (Purism)
2019-01-25 2:55 ` [PATCH v4 1/5] dmaengine: imx-sdma: add clock ratio 1:1 check Angus Ainslie (Purism)
2019-01-25 9:42 ` Lucas Stach
2019-01-25 2:55 ` [PATCH v4 2/5] dmaengine: imx-sdma: add imx8mq sdma compatible parts Angus Ainslie (Purism)
2019-01-25 9:35 ` Lucas Stach
2019-01-25 2:55 ` [PATCH v4 3/5] dt-bindings: dma: fsl-imx-sdma: add fsl,imx8mq to the accepted compatible node Angus Ainslie (Purism)
2019-01-25 9:39 ` Lucas Stach
2019-01-25 2:55 ` [PATCH v4 4/5] dma: imx-sdma: add a test for imx8mq multi sdma devices Angus Ainslie (Purism)
2019-01-25 9:34 ` Lucas Stach
2019-01-25 2:55 ` [PATCH v4 5/5] imx8mq.dtsi: add the sdma nodes Angus Ainslie (Purism)
2019-01-25 9:38 ` Lucas Stach
2019-01-28 6:08 ` [PATCH v5 0/5] dmaengine: imx-sdma: add the sdma engine to the imx8mq Angus Ainslie (Purism)
2019-01-28 6:08 ` [PATCH v5 1/5] dmaengine: imx-sdma: add clock ratio 1:1 check Angus Ainslie (Purism)
2019-01-28 9:29 ` Lucas Stach
2019-01-28 6:08 ` [PATCH v5 2/5] dmaengine: imx-sdma: add imx8mq sdma compatible parts Angus Ainslie (Purism)
2019-01-28 9:32 ` Lucas Stach
2019-01-28 6:08 ` [PATCH v5 3/5] dt-bindings: dma: fsl-imx-sdma: add fsl,imx8mq to the accepted compatible node Angus Ainslie (Purism)
2019-01-28 6:08 ` [PATCH v5 4/5] dmaengine: imx-sdma: add a test for imx8mq multi sdma devices Angus Ainslie (Purism)
2019-01-28 9:33 ` Lucas Stach
2019-01-28 6:08 ` [PATCH v5 5/5] dmaengine: imx-sdma: fix consistent dma test failures Angus Ainslie (Purism)
2019-01-28 16:03 ` [PATCH v6 0/3] dmaengine: imx-sdma: add the sdma engine to the imx8mq Angus Ainslie (Purism)
2019-01-28 16:03 ` [PATCH v6 1/3] dmaengine: imx-sdma: add clock ratio 1:1 check Angus Ainslie (Purism)
2019-01-28 16:03 ` [PATCH v6 2/3] dmaengine: imx-sdma: add a test for imx8mq multi sdma devices Angus Ainslie (Purism)
2019-02-25 13:31 ` Daniel Baluta
2019-01-28 16:03 ` Angus Ainslie (Purism) [this message]
2019-02-25 17:56 ` [PATCH v6 0/3] dmaengine: imx-sdma: add the sdma engine to the imx8mq Vinod Koul
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