On Mon, Jun 07, 2021 at 09:25:43AM +0200, Arnd Bergmann wrote: > This will now fail on machines with dwc3 connected to a 32-bit bus (or a > bus that is accidentally not annotated as supporting 64-bit) when there is > some memory that is not addressable through that bus. No, it won't. dma_set_mask_and_coherent with a 64-bit mask will never fail if dev->dma_mask is non-NULL.
