diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-11-21 14:23:37 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-11-22 05:05:00 +0100 |
| commit | 860dd4424f344400b491b212ee4acb3a358ba9d9 (patch) | |
| tree | a4b687a035a30fc37dfd1e0ba0e216e471193faa /include | |
| parent | scsi: ufs: ufshcd: fix potential NULL pointer dereference in ufshcd_config_vreg (diff) | |
| download | linux-860dd4424f344400b491b212ee4acb3a358ba9d9.tar.xz linux-860dd4424f344400b491b212ee4acb3a358ba9d9.zip | |
scsi: dma-mapping: always provide dma_get_cache_alignment
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.
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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 eee1499db396..29cfd18360be 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -710,7 +710,6 @@ 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 @@ -718,7 +717,6 @@ static inline int dma_get_cache_alignment(void) #endif return 1; } -#endif /* flags for the coherent memory api */ #define DMA_MEMORY_EXCLUSIVE 0x01 |