release/src-rt-6.x/linux/linux-2.6/include/asm-generic/dma-mapping-broken.h

   1 #ifndef _ASM_GENERIC_DMA_MAPPING_H
   2 #define _ASM_GENERIC_DMA_MAPPING_H
   3
   4 /* This is used for archs that do not support DMA */
   5
   6 static inline void *
   7 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
   8                    gfp_t flag)
   9 {
  10         BUG();
  11         return NULL;
  12 }
  13
  14 static inline void
  15 dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
  16                     dma_addr_t dma_handle)
  17 {
  18         BUG();
  19 }
  20
  21 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
  22 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
  23
  24 #endif /* _ASM_GENERIC_DMA_MAPPING_H */