ARM: dma-mapping: Add macro to_dma_iommu_mapping()
This can be built without CONFIG_ARM_DMA_USE_IOMMU. Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
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This can be built without CONFIG_ARM_DMA_USE_IOMMU. Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>