From mboxrd@z Thu Jan 1 00:00:00 1970 From: hdoyu@nvidia.com (Hiroshi Doyu) Date: Thu, 24 Jan 2013 15:16:56 +0200 Subject: [PATCH 1/2] ARM: dma-mapping: Add macro to_dma_iommu_mapping() Message-ID: <1359033425-6674-1-git-send-email-hdoyu@nvidia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This can be built without CONFIG_ARM_DMA_USE_IOMMU. Signed-off-by: Hiroshi Doyu --- 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