On Monday 12 January 2015 14:40:09 Rameshwar Sahu wrote:

quoted

+
+       dma_set_mask_and_coherent(&pdev->dev,
+                                 (sizeof(dma_addr_t) == sizeof(u64)) ?
+                                 DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
+

I commented on this on v1 already: always set the device specific mask here,
it's independent of the CPU architecture, but do check the return value.

Also add the correct dma-ranges property in the parent, or else this will
fail in the future once we add proper checks to dma_set_mask.

	Arnd