diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-05-22 12:20:18 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-06-28 16:54:45 +0300 |
| commit | 418a7a7e4f05f36d6e4ab5b8548ea71f0b602140 (patch) | |
| tree | 5f09b1c6475386d085bd210f11440aab57d8b70e /arch/arm/include/asm | |
| parent | 19ad53e498745416a77c0377cbb4ee771eedd35b (diff) | |
| download | linux-418a7a7e4f05f36d6e4ab5b8548ea71f0b602140.tar.xz | |
arm: remove arch specific dma_supported implementation
And instead wire it up as method for all the dma_map_ops instances.
Note that the code seems a little fishy for dmabounce and iommu, but
for now I'd like to preserve the existing behavior 1:1.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/dma-iommu.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 3 |
2 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h index 389a26a10ea3..c090ec675eac 100644 --- a/arch/arm/include/asm/dma-iommu.h +++ b/arch/arm/include/asm/dma-iommu.h @@ -35,5 +35,7 @@ int arm_iommu_attach_device(struct device *dev, struct dma_iommu_mapping *mapping); void arm_iommu_detach_device(struct device *dev); +int arm_dma_supported(struct device *dev, u64 mask); + #endif /* __KERNEL__ */ #endif diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 52a8fd5a8edb..8dabcfdf4505 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -20,9 +20,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return &arm_dma_ops; } -#define HAVE_ARCH_DMA_SUPPORTED 1 -extern int dma_supported(struct device *dev, u64 mask); - #ifdef __arch_page_to_dma #error Please update to __arch_pfn_to_dma #endif |