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_mapping_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_mapping_ops  *dma_ops;
  18         void                    *dma_data;
  19 };
  20
  21 static inline void dev_archdata_set_node(struct dev_archdata *ad,
  22                                          struct device_node *np)
  23 {
  24         ad->of_node = np;
  25 }
  26
  27 static inline struct device_node *
  28 dev_archdata_get_node(const struct dev_archdata *ad)
  29 {
  30         return ad->of_node;
  31 }
  32
  33 #endif /* _ASM_POWERPC_DEVICE_H */