Hi Will, Will Deacon <will.deacon@xxxxxxx> wrote @ Thu, 20 Jun 2013 11:31:52 +0200: > > Hiroshi Doyu (3): > > common: DMA-mapping: add DMA_ATTR_READ_ONLY attribute > > ARM: dma-mapping: Pass DMA attrs as IOMMU prot > > iommu/tegra: smmu: Support read-only mapping > > These patches don't seem to have made it to the linux-arm-kernel list > (either in my inbox or the list archive). Could you try and resend them please? I'm sorry but linux-arm-kernel list someitmes requires me moderators approval. I don't know why. I'll find a way to work around. Here are links for the original post: http://lists.linuxfoundation.org/pipermail/iommu/2013-June/005860.html http://lists.linuxfoundation.org/pipermail/iommu/2013-June/005861.html http://lists.linuxfoundation.org/pipermail/iommu/2013-June/005862.html http://lists.linuxfoundation.org/pipermail/iommu/2013-June/005863.html > Also: how do they interact with my patch here?: > > http://lists.infradead.org/pipermail/linux-arm-kernel/2013-June/175124.html This conversion looks reasonable enough, but some platform may need more attrs to pass IOMMU like OMAP. #define IOMMU_FLAG (IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_8) How can we deal with those cases? -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html