diff options
Diffstat (limited to 'include/linux/dma-mapping.h')
| -rw-r--r-- | include/linux/dma-mapping.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index bd0a6f5ee445..39da883c8619 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -191,6 +191,7 @@ static inline int dma_mmap_from_global_coherent(struct vm_area_struct *vma, #ifdef CONFIG_HAS_DMA #include <asm/dma-mapping.h> +#ifdef CONFIG_DMA_OPS static inline const struct dma_map_ops *get_dma_ops(struct device *dev) { if (dev->dma_ops) @@ -203,7 +204,16 @@ static inline void set_dma_ops(struct device *dev, { dev->dma_ops = dma_ops; } - +#else /* CONFIG_DMA_OPS */ +static inline const struct dma_map_ops *get_dma_ops(struct device *dev) +{ + return NULL; +} +static inline void set_dma_ops(struct device *dev, + const struct dma_map_ops *dma_ops) +{ +} +#endif /* CONFIG_DMA_OPS */ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { |