diff options
Diffstat (limited to 'arch/arm/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 55a4e26..a5821f5 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -8,18 +8,25 @@ #ifndef __ASM_ARM_DMA_MAPPING_H #define __ASM_ARM_DMA_MAPPING_H +#define dma_mapping_error(x, y) 0 + enum dma_data_direction { DMA_BIDIRECTIONAL = 0, DMA_TO_DEVICE = 1, DMA_FROM_DEVICE = 2, }; -static void *dma_alloc_coherent(size_t len, unsigned long *handle) +static inline void *dma_alloc_coherent(size_t len, unsigned long *handle) { *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len); return (void *)*handle; } +static inline void dma_free_coherent(void *addr) +{ + free(addr); +} + static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, enum dma_data_direction dir) { |