diff options
author | Christoph Hellwig <hch@lst.de> | 2017-11-21 14:23:37 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-14 09:28:11 +0100 |
commit | 4cb4d78c57f8ba642b5071d439d71217291d9e71 (patch) | |
tree | 96cf5eba7c39fdd1d3cf8747938be16ff6e5c6e2 /include | |
parent | 1db069c057a1a35adde371547be223f4af6458eb (diff) |
scsi: dma-mapping: always provide dma_get_cache_alignment
commit 860dd4424f344400b491b212ee4acb3a358ba9d9 upstream.
Provide the dummy version of dma_get_cache_alignment that always returns
1 even if CONFIG_HAS_DMA is not set, so that drivers and subsystems can
use it without ifdefs.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/dma-mapping.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 08528afdf58b..704caae69c42 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -659,7 +659,6 @@ static inline void *dma_zalloc_coherent(struct device *dev, size_t size, return ret; } -#ifdef CONFIG_HAS_DMA static inline int dma_get_cache_alignment(void) { #ifdef ARCH_DMA_MINALIGN @@ -667,7 +666,6 @@ static inline int dma_get_cache_alignment(void) #endif return 1; } -#endif /* flags for the coherent memory api */ #define DMA_MEMORY_MAP 0x01 |