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ARM: 7857/1: dma: imx-sdma: setup dma mask

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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>
This commit is contained in:
Philippe Retornaz 2013-10-14 09:45:17 +01:00 • committed by Russell King
parent 536dc1eb6b
commit 42536b9f9c
1 changed files with 4 additions and 0 deletions
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4
drivers/dma/imx-sdma.c
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@ -1432,6 +1432,10 @@ static int __init sdma_probe(struct platform_device *pdev)
return -EINVAL; return -EINVAL;
} }
ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (ret)
return ret;
sdma = kzalloc(sizeof(*sdma), GFP_KERNEL); sdma = kzalloc(sizeof(*sdma), GFP_KERNEL);
if (!sdma) if (!sdma)
return -ENOMEM; return -ENOMEM;