1 #ifndef _ALPHA_DMA_MAPPING_H
2 #define _ALPHA_DMA_MAPPING_H
3 
4 extern const struct dma_map_ops *dma_ops;
5 
6 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
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