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kernel/linux-rt-4.4.41/arch/sh/include/asm/dma-mapping.h 758 Bytes
5113f6f70   김현기   kernel add
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  #ifndef __ASM_SH_DMA_MAPPING_H
  #define __ASM_SH_DMA_MAPPING_H
  
  extern struct dma_map_ops *dma_ops;
  extern void no_iommu_init(void);
  
  static inline struct dma_map_ops *get_dma_ops(struct device *dev)
  {
  	return dma_ops;
  }
  
  #define DMA_ERROR_CODE 0
  
  #include <asm-generic/dma-mapping-common.h>
  
  void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
  		    enum dma_data_direction dir);
  
  /* arch/sh/mm/consistent.c */
  extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
  					dma_addr_t *dma_addr, gfp_t flag,
  					struct dma_attrs *attrs);
  extern void dma_generic_free_coherent(struct device *dev, size_t size,
  				      void *vaddr, dma_addr_t dma_handle,
  				      struct dma_attrs *attrs);
  
  #endif /* __ASM_SH_DMA_MAPPING_H */