diff options
Diffstat (limited to 'arch/arm/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index bc404473f1ca..0b7787167b64 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -38,6 +38,12 @@ static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops) dev->archdata.dma_ops = ops; } +/* + * Note that while the generic code provides dummy dma_{alloc,free}_noncoherent + * implementations, we don't provide a dma_cache_sync function so drivers using + * this API are highlighted with build warnings. + */ + #include <asm-generic/dma-mapping-common.h> static inline int dma_set_mask(struct device *dev, u64 mask) @@ -175,21 +181,6 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) return dma_addr == DMA_ERROR_CODE; } -/* - * Dummy noncoherent implementation. We don't provide a dma_cache_sync - * function so drivers using this API are highlighted with build warnings. - */ -static inline void *dma_alloc_noncoherent(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t gfp) -{ - return NULL; -} - -static inline void dma_free_noncoherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t handle) -{ -} - extern int dma_supported(struct device *dev, u64 mask); extern int arm_dma_set_mask(struct device *dev, u64 dma_mask); |