Commit 64113016 authored Jun 27, 2013 by Russell King

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>

parent de1a2419

drivers/dma/pl330.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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) {