diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-09-11 09:31:32 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-09-25 06:12:25 +0200 |
| commit | db4268f8c575617bacdeff862c7de674dbf65075 (patch) | |
| tree | 8b9570bf4f6443537a9f808be1c5b528075958c6 /include | |
| parent | 7ae10eb903d6ed9b3069fe1dc175b36d86667d09 (diff) | |
dma-mapping: move valid_dma_direction to dma-direction.h
Move the valid_dma_direction helper to a more suitable header, and
clean it up to use the proper enum as well as removing pointless braces.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dma-direction.h | 8 | ||||
| -rw-r--r-- | include/linux/dma-mapping.h | 7 |
2 files changed, 7 insertions, 8 deletions
diff --git a/include/linux/dma-direction.h b/include/linux/dma-direction.h index 9c96e30e6a0b..a2fe4571bc92 100644 --- a/include/linux/dma-direction.h +++ b/include/linux/dma-direction.h @@ -9,4 +9,10 @@ enum dma_data_direction { DMA_NONE = 3, }; -#endif +static inline int valid_dma_direction(enum dma_data_direction dir) +{ + return dir == DMA_BIDIRECTIONAL || dir == DMA_TO_DEVICE || + dir == DMA_FROM_DEVICE; +} + +#endif /* _LINUX_DMA_DIRECTION_H */ diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index e074588d753f..51e93d44b826 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -138,13 +138,6 @@ extern const struct dma_map_ops dma_dummy_ops; #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) -static inline int valid_dma_direction(int dma_direction) -{ - return ((dma_direction == DMA_BIDIRECTIONAL) || - (dma_direction == DMA_TO_DEVICE) || - (dma_direction == DMA_FROM_DEVICE)); -} - #ifdef CONFIG_DMA_DECLARE_COHERENT /* * These three functions are only for dma allocator. |