arch/powerpc/include/asm/device.h

   1 /*
   2  * Arch specific extensions to struct device
   3  *
   4  * This file is released under the GPLv2
   5  */
   6 #ifndef _ASM_POWERPC_DEVICE_H
   7 #define _ASM_POWERPC_DEVICE_H
   8
   9 struct dma_map_ops;
  10 struct device_node;
  11
  12 struct dev_archdata {
  13         /* Optional pointer to an OF device node */
  14         struct device_node      *of_node;
  15
  16         /* DMA operations on that device */
  17         struct dma_map_ops      *dma_ops;
  18         void                    *dma_data;
  19 #ifdef CONFIG_SWIOTLB
  20         dma_addr_t              max_direct_dma_addr;
  21 #endif
  22 };
  23
  24 static inline void dev_archdata_set_node(struct dev_archdata *ad,
  25                                          struct device_node *np)
  26 {
  27         ad->of_node = np;
  28 }
  29
  30 static inline struct device_node *
  31 dev_archdata_get_node(const struct dev_archdata *ad)
  32 {
  33         return ad->of_node;
  34 }
  35
  36 #endif /* _ASM_POWERPC_DEVICE_H */