1 #ifndef _ALPHA_DMA_MAPPING_H 2 #define _ALPHA_DMA_MAPPING_H 3 4 extern struct dma_map_ops *dma_ops; 5 6 static inline struct dma_map_ops *get_dma_ops(struct device *dev) 7 { 8 return dma_ops; 9 } 10 11 #define dma_cache_sync(dev, va, size, dir) ((void)0) 12 13 #endif /* _ALPHA_DMA_MAPPING_H */ 14