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| author | Christoph Hellwig <hch@lst.de> | 2017-05-22 11:53:03 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-06-28 16:54:36 +0300 |
| commit | 9eef8b8cc26559fe5f2575daf7d08c6a17e81ff8 (patch) | |
| tree | e841db81e1a71ac48162fa402d42ee2526d7b71b /arch/arm/include/asm/dma-iommu.h | |
| parent | a760088b45186d6235e05a75788d142bf203a927 (diff) | |
| download | linux-9eef8b8cc26559fe5f2575daf7d08c6a17e81ff8.tar.xz | |
arm: implement ->mapping_error
DMA_ERROR_CODE is going to go away, so don't rely on it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/arm/include/asm/dma-iommu.h')
| -rw-r--r-- | arch/arm/include/asm/dma-iommu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h index 2ef282f96651..389a26a10ea3 100644 --- a/arch/arm/include/asm/dma-iommu.h +++ b/arch/arm/include/asm/dma-iommu.h @@ -9,6 +9,8 @@ #include <linux/kmemcheck.h> #include <linux/kref.h> +#define ARM_MAPPING_ERROR (~(dma_addr_t)0x0) + struct dma_iommu_mapping { /* iommu specific data */ struct iommu_domain *domain; |