1 #ifndef _ASM_DMA_MAPPING_H 2 #define _ASM_DMA_MAPPING_H 3 4 #include <asm/cache.h> 5 #include <asm/cacheflush.h> 6 7 extern unsigned long __nongprelbss dma_coherent_mem_start; 8 extern unsigned long __nongprelbss dma_coherent_mem_end; 9 10 extern struct dma_map_ops frv_dma_ops; 11 get_dma_ops(struct device * dev)12static inline struct dma_map_ops *get_dma_ops(struct device *dev) 13 { 14 return &frv_dma_ops; 15 } 16 17 static inline dma_cache_sync(struct device * dev,void * vaddr,size_t size,enum dma_data_direction direction)18void dma_cache_sync(struct device *dev, void *vaddr, size_t size, 19 enum dma_data_direction direction) 20 { 21 flush_write_buffers(); 22 } 23 24 #endif /* _ASM_DMA_MAPPING_H */ 25