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ARM/dma-mapping: merge __dma_supported into arm_dma_supported

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Merge __dma_supported into its only caller, and move the resulting
function so that it doesn't need a forward declaration.  Also mark
it static as there are no callers outside of dma-mapping.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2020-02-17 12:48:59 +01:00
parent 7607cb733f
commit fd27a526bb
2 changed files with 17 additions and 26 deletions
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2
arch/arm/include/asm/dma-iommu.h
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@@ -33,7 +33,5 @@ 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