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>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index a562d24d20bf..df8b10fd1726 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -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) {