arch/mips/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 <linux/scatterlist.h>
   6 #include <asm/dma-coherence.h>
   7 #include <asm/cache.h>
   8
   9 #ifndef CONFIG_SGI_IP27 /* Kludge to fix 2.6.39 build for IP27 */
  10 #include <dma-coherence.h>
  11 #endif
  12
  13 extern const struct dma_map_ops *mips_dma_map_ops;
  14
  15 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
  16 {
  17         return mips_dma_map_ops;
  18 }
  19
  20 #define arch_setup_dma_ops arch_setup_dma_ops
  21 static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base,
  22                                       u64 size, const struct iommu_ops *iommu,
  23                                       bool coherent)
  24 {
  25 #ifdef CONFIG_DMA_PERDEV_COHERENT
  26         dev->archdata.dma_coherent = coherent;
  27 #endif
  28 }
  29
  30 #endif /* _ASM_DMA_MAPPING_H */