arch/frv/include/asm/dma-mapping.h

   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
  12 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
  13 {
  14         return &frv_dma_ops;
  15 }
  16
  17 static inline
  18 void 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 */