1 #ifndef _ALPHA_DMA_MAPPING_H 2 #define _ALPHA_DMA_MAPPING_H 3 4 #include <linux/dma-attrs.h> 5 6 extern struct dma_map_ops *dma_ops; 7 8 static inline struct dma_map_ops *get_dma_ops(struct device *dev) 9 { 10 return dma_ops; 11 } 12 13 #define dma_cache_sync(dev, va, size, dir) ((void)0) 14 15 #endif /* _ALPHA_DMA_MAPPING_H */ 16