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 --- include/linux/dma-mapping.h | 2 -- 1 file changed, 2 deletions(-)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index e8f8e8fb244d..81ed9b2d84dc 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -704,7 +704,6 @@ 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 @@ -712,7 +711,6 @@ static inline int dma_get_cache_alignment(void) #endif return 1; } -#endif
/* flags for the coherent memory api */ #define DMA_MEMORY_EXCLUSIVE 0x01