Re: [PATCH v2 1/3] dmaengine: Add support for APM X-Gene SoC DMA engine driver

From: Arnd Bergmann
Date: Mon Jan 12 2015 - 13:55:50 EST


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