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| author | Christoph Hellwig <hch@lst.de> | 2018-01-09 22:11:31 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-01-10 16:41:12 +0100 |
| commit | b49efd76248242169f28ffd20ada05064d01ed9f (patch) | |
| tree | 803f744f3c91b5c26fb708f0bece373ae2e704f0 /include/linux/dma-direct.h | |
| parent | ea8c64ace86647260ec4255f483e5844d62af2df (diff) | |
| download | lwn-b49efd76248242169f28ffd20ada05064d01ed9f.tar.gz lwn-b49efd76248242169f28ffd20ada05064d01ed9f.zip | |
dma-mapping: move dma_mark_clean to dma-direct.h
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>
Diffstat (limited to 'include/linux/dma-direct.h')
| -rw-r--r-- | include/linux/dma-direct.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h index 2cc1b6558944..10e924b7cba7 100644 --- a/include/linux/dma-direct.h +++ b/include/linux/dma-direct.h @@ -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 */ |