diff options
Diffstat (limited to 'include/asm-generic/dma-mapping-common.h')
| -rw-r--r-- | include/asm-generic/dma-mapping-common.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h index ec321dd98f93..cdaa24193d4c 100644 --- a/include/asm-generic/dma-mapping-common.h +++ b/include/asm-generic/dma-mapping-common.h @@ -313,4 +313,18 @@ static inline void dma_free_noncoherent(struct device *dev, size_t size, dma_free_attrs(dev, size, cpu_addr, dma_handle, &attrs); } +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + debug_dma_mapping_error(dev, dma_addr); + + if (get_dma_ops(dev)->mapping_error) + return get_dma_ops(dev)->mapping_error(dev, dma_addr); + +#ifdef DMA_ERROR_CODE + return dma_addr == DMA_ERROR_CODE; +#else + return 0; +#endif +} + #endif |