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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_M32R_DMA_MAPPING_H
   3 #define _ASM_M32R_DMA_MAPPING_H
   4
   5 #include <linux/kernel.h>
   6 #include <linux/types.h>
   7 #include <linux/mm.h>
   8 #include <linux/scatterlist.h>
   9 #include <linux/dma-debug.h>
  10 #include <linux/io.h>
  11
  12 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
  13 {
  14         return &dma_noop_ops;
  15 }
  16
  17 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
  18                                   enum dma_data_direction direction)
  19 {
  20 }
  21
  22 static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
  23 {
  24         if (!dev->dma_mask)
  25                 return false;
  26         return addr + size - 1 <= *dev->dma_mask;
  27 }
  28
  29 #endif /* _ASM_M32R_DMA_MAPPING_H */