On Monday 18 April 2016 09:29:09 Rob Herring wrote: > > Right, you don't need to know the exact bus width for determining the > register/descriptor set is 32 or 64 bit addesses. I'm fine with a > property for that, but if limiting the actual connected address bits is > needed, then dma-ranges should be used. The other way round: dma-ranges is needed to allow 64-bit addressing, the default is to only allow 32-bit addressing (and arm64 has a known bug here, it just allows it anyway when it shouldn't). Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
