On Tue, Aug 14, 2018 at 05:12:25PM +0300, Eugeniy Paltsev wrote:
> Hi Lucas, Christoph,
> 
> After switching ARC to generic dma_noncoherent cache ops 
> etnaviv driver start failing on dma maping functions because of
> dma_mask lack.
> 
> So I'm wondering is it valid case to have device which is
> DMA capable and doesn't have dma_mask set?
> 
> If not, then I guess something like that should work
> (at least it works for ARC):

This looks ok is a minimal fix:

Reviewed-by: Christoph Hellwig <h...@lst.de>

But why doesn't this device have a dma-range property in DT?

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