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 <[email protected]>
---
 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 a562d24..df8b10f 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) {
-- 
1.7.4.4


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