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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_METAG_DMA_MAPPING_H
   3 #define _ASM_METAG_DMA_MAPPING_H
   4
   5 extern const struct dma_map_ops metag_dma_ops;
   6
   7 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
   8 {
   9         return &metag_dma_ops;
  10 }
  11
  12 /*
  13  * dma_alloc_attrs() always returns non-cacheable memory, so there's no need to
  14  * do any flushing here.
  15  */
  16 static inline void
  17 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
  18                enum dma_data_direction direction)
  19 {
  20 }
  21
  22 #endif