On Fri, May 18, 2018 at 02:49:36PM +0000, Alexey Brodkin wrote: > So if we set aside my complaints about direction in arch_sync_dma_for_{device|cpu}()... Many other architectures use the argument. Various of those look bogus, but for now I want to be able to do straight forward conversions. If we end up not needing the argument in the end we can still remove it eventually.