diff options
Diffstat (limited to 'include/asm-arm/dma-mapping.h')
| -rw-r--r-- | include/asm-arm/dma-mapping.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h index 9bc46b486afb..abfb75b654c7 100644 --- a/include/asm-arm/dma-mapping.h +++ b/include/asm-arm/dma-mapping.h @@ -17,7 +17,7 @@ * platforms with CONFIG_DMABOUNCE. * Use the driver DMA support - see dma-mapping.h (dma_sync_*) */ -extern void consistent_sync(void *kaddr, size_t size, int rw); +extern void consistent_sync(const void *kaddr, size_t size, int rw); /* * Return whether the given device DMA address mask can be supported @@ -61,6 +61,22 @@ static inline int dma_mapping_error(dma_addr_t dma_addr) return dma_addr == ~0; } +/* + * 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) +{ +} + /** * dma_alloc_coherent - allocate consistent memory for DMA * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices |