diff options
Diffstat (limited to 'arch/arm64/include/asm/device.h')
| -rw-r--r-- | arch/arm64/include/asm/device.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/device.h b/arch/arm64/include/asm/device.h index 243ef256b8c9..908a6a53ed49 100644 --- a/arch/arm64/include/asm/device.h +++ b/arch/arm64/include/asm/device.h @@ -22,9 +22,18 @@ struct dev_archdata { void *iommu; /* private IOMMU data */ #endif bool dma_coherent; +#ifdef CONFIG_ARM64_DMA_USE_IOMMU + struct dma_iommu_mapping *mapping; +#endif }; struct pdev_archdata { }; +#ifdef CONFIG_ARM64_DMA_USE_IOMMU +#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping) +#else +#define to_dma_iommu_mapping(dev) NULL +#endif + #endif |