[PATCH RFC 24/51] DMA-API: dma: pl330: add dma_set_mask_and_coherent() call

[Russell King <rmk+kernel@arm.linux.org.uk>]

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 PL08x driver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/dma/pl330.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 593827b..9d30c53 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2869,6 +2869,10 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 
 	pdat = adev->dev.platform_data;
 
+	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) {
-- 
1.7.4.4