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dma-mapping: move dma_mark_clean to dma-direct.h

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And unlike the other helpers we don't require a <asm/dma-direct.h> as
this helper is a special case for ia64 only, and this keeps it as
simple as possible.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2018-01-09 22:11:31 +01:00
parent ea8c64ace8
commit b49efd7624
10 changed files with 10 additions and 18 deletions
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9
include/linux/dma-direct.h
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@@ -29,4 +29,13 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
return addr + size - 1 <= *dev->dma_mask;
}
#endif /* !CONFIG_ARCH_HAS_PHYS_TO_DMA */
#ifdef CONFIG_ARCH_HAS_DMA_MARK_CLEAN
void dma_mark_clean(void *addr, size_t size);
#else
static inline void dma_mark_clean(void *addr, size_t size)
{
}
#endif /* CONFIG_ARCH_HAS_DMA_MARK_CLEAN */
#endif /* _LINUX_DMA_DIRECT_H */