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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_DMA_MAPPING_H
   3 #define _ASM_DMA_MAPPING_H
   4
   5 #include <asm/cache.h>
   6 #include <asm/cacheflush.h>
   7
   8 extern unsigned long __nongprelbss dma_coherent_mem_start;
   9 extern unsigned long __nongprelbss dma_coherent_mem_end;
  10
  11 extern const struct dma_map_ops frv_dma_ops;
  12
  13 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
  14 {
  15         return &frv_dma_ops;
  16 }
  17
  18 static inline
  19 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
  20                     enum dma_data_direction direction)
  21 {
  22         flush_write_buffers();
  23 }
  24
  25 #endif  /* _ASM_DMA_MAPPING_H */