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 <hch at lst.de> But why doesn't this device have a dma-range property in DT?
