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| author | Philippe Retornaz <philippe.retornaz@epfl.ch> | 2013-10-14 10:45:17 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-31 15:49:19 +0100 |
| commit | 42536b9f9ce38b07ac213c5f4550301f9a0d251d (patch) | |
| tree | a8edbb43be71289cf56bf43713435735de7d0b38 /drivers/dma/imx-sdma.c | |
| parent | DMA-API: firmware/google/gsmi.c: avoid direct access to DMA masks (diff) | |
| download | linux-42536b9f9ce38b07ac213c5f4550301f9a0d251d.tar.xz linux-42536b9f9ce38b07ac213c5f4550301f9a0d251d.zip | |
ARM: 7857/1: dma: imx-sdma: setup dma mask
The dma mask is not configured in the current code.
This was triggered by soc-dmaengine-pcm which allocate the dma
buffers with the imx-sdma as device.
This commit fix audio on imx31.
Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index fc43603cf0bb..c1fd504cae28 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1432,6 +1432,10 @@ static int __init sdma_probe(struct platform_device *pdev) return -EINVAL; } + ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + sdma = kzalloc(sizeof(*sdma), GFP_KERNEL); if (!sdma) return -ENOMEM; |