Messages in this thread Patch in this message | | | From | Hiroshi Doyu <> | Subject | [PATCH 1/2] ARM: dma-mapping: Add macro to_dma_iommu_mapping() | Date | Thu, 24 Jan 2013 15:16:56 +0200 |
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This can be built without CONFIG_ARM_DMA_USE_IOMMU.
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com> --- arch/arm/include/asm/device.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h index 5191a83..6fbe514 100644 --- a/arch/arm/include/asm/device.h +++ b/arch/arm/include/asm/device.h @@ -33,4 +33,10 @@ struct pdev_archdata { #endif }; +#ifdef CONFIG_ARM_DMA_USE_IOMMU +#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping) +#else +#define to_dma_iommu_mapping(dev) NULL +#endif + #endif -- 1.7.9.5
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