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dma-direct: make dma_direct_{alloc,free} available to other implementations

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So that they don't need to indirect through the operation vector.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
This commit is contained in:
Christoph Hellwig 2017-12-23 13:46:06 +01:00
parent 95f183916d
commit 19dca8c0ef
3 changed files with 11 additions and 9 deletions
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5
include/linux/dma-direct.h
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@ -38,4 +38,9 @@ static inline void dma_mark_clean(void *addr, size_t size)
}
#endif /* CONFIG_ARCH_HAS_DMA_MARK_CLEAN */
void *dma_direct_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
gfp_t gfp, unsigned long attrs);
void dma_direct_free(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_addr, unsigned long attrs);
#endif /* _LINUX_DMA_DIRECT_H */