iommu/io-pgtable: Support non-coherent page tables
Describe the memory related to page table walks as non-cacheable for iommu instances that are not DMA coherent. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> [will: Use cfg->coherent_walk, fix arm-v7s, ensure outer-shareable for NC] Signed-off-by: Will Deacon <will@kernel.org>
Showing
Please register or sign in to comment