On Thu, Jul 16, 2015 at 07:40:11PM +0100, Robin Murphy wrote: > arch/arm64/Kconfig | 1 + > arch/arm64/include/asm/dma-mapping.h | 15 +- > arch/arm64/mm/dma-mapping.c | 452 +++++++++++++++++++++++++++++ What happened to the plan to merge this with the existing iommu-based dma-api implementation for 32 bit ARM? Joerg