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DMA-API: dma: pl330: add dma_set_mask_and_coherent() call 

The DMA API requires drivers to call the appropriate dma_set_mask()
functions before doing any DMA mapping.  Add this required call to
the AMBA PL330 driver.

Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2013-06-27 10:29:32 +01:00
parent de1a241959
commit 64113016a4
1 changed files with 4 additions and 0 deletions
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4
drivers/dma/pl330.c
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@ -2903,6 +2903,10 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
pdat = dev_get_platdata(&adev->dev);
ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32));
if (ret)
return ret;
/* Allocate a new DMAC and its Channels */
pdmac = devm_kzalloc(&adev->dev, sizeof(*pdmac), GFP_KERNEL);
if (!pdmac) {