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1a9a0536d8
On arm64, all SoCs we supported so far either have an IOMMU or have bus addresses equal to CPU addresses. However, with the Raspberry Pi 3 coming up, this is no longer true. To allow DMA to work with an AArch64 kernel on those devices, let's allow devices to have DMA offsets again. Signed-off-by: Alexander Graf <agraf@suse.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Eric Anholt <eric@anholt.net> |
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