On Tue, Oct 15, 2019 at 02:25:26PM -0700, Max Filippov wrote: > Add trivial implementation for arch_dma_coherent_to_pfn. > This change enables communication with PCI ALSA devices through mmapped > buffers.
This looks fine, although I'd much rather convert xtensa to the generic DMA remap / uncached segment support. Do you want this fix for 5.4? If so please queue it up ASAP so that I can do the proper thing for 5.5. If you don't need it that urgent I'd rather go straight to the generic code.