On Sat, Aug 05, 2017 at 10:38:07AM +0200, Christoph Hellwig wrote: > I think the root problem is that the code added by > " of/acpi: Configure dma operations at probe time for platform/amba/pci bus > devices" > > is completely bogus and needs to be reverted. We can't simply iterate > over all devices in the system and set up dma for them. We'll need > to ask the firmware / OF what root port this applies to and only > apply it to those buses. I'm afraid I haven't had time to look any more at this, and now I'll be offline for the next two weeks. It sounded like Robin was working on a fix for the broken DMA-mask on RPI3 and that should address Hans's ethernet regression too even if we ultimately need to fix dma_configure() as well. Thanks, Johan