Replace the following sequence:
	dma_set_mask(dev, mask);
	dma_set_coherent_mask(dev, mask);
with a call to the new helper dma_set_mask_and_coherent().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 
                /* needed to ensure proper operation of coherent allocations
                 * later, in case driver doesn't set it explicitly */
-               dma_set_mask(&viodev->dev, DMA_BIT_MASK(64));
-               dma_set_coherent_mask(&viodev->dev, DMA_BIT_MASK(64));
+               dma_set_mask_and_coherent(&viodev->dev, DMA_BIT_MASK(64));
        }
 
        /* register with generic device framework */