arch/m32r/include/asm/dma-mapping.h

   1 #ifndef _ASM_M32R_DMA_MAPPING_H
   2 #define _ASM_M32R_DMA_MAPPING_H
   3
   4 #include <linux/kernel.h>
   5 #include <linux/types.h>
   6 #include <linux/mm.h>
   7 #include <linux/scatterlist.h>
   8 #include <linux/dma-debug.h>
   9 #include <linux/io.h>
  10
  11 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
  12 {
  13         return &dma_noop_ops;
  14 }
  15
  16 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
  17                                   enum dma_data_direction direction)
  18 {
  19 }
  20
  21 static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
  22 {
  23         if (!dev->dma_mask)
  24                 return false;
  25         return addr + size - 1 <= *dev->dma_mask;
  26 }
  27
  28 #endif /* _ASM_M32R_DMA_MAPPING_H */