include/linux/of_reserved_mem.h

   1 #ifndef __OF_RESERVED_MEM_H
   2 #define __OF_RESERVED_MEM_H
   3
   4 struct device;
   5 struct of_phandle_args;
   6 struct reserved_mem_ops;
   7
   8 struct reserved_mem {
   9         const char                      *name;
  10         unsigned long                   fdt_node;
  11         const struct reserved_mem_ops   *ops;
  12         phys_addr_t                     base;
  13         phys_addr_t                     size;
  14         void                            *priv;
  15 };
  16
  17 struct reserved_mem_ops {
  18         void    (*device_init)(struct reserved_mem *rmem,
  19                                struct device *dev);
  20         void    (*device_release)(struct reserved_mem *rmem,
  21                                   struct device *dev);
  22 };
  23
  24 typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem);
  25
  26 #define RESERVEDMEM_OF_DECLARE(name, compat, init)                      \
  27         _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn)
  28
  29 #ifdef CONFIG_OF_RESERVED_MEM
  30 void fdt_init_reserved_mem(void);
  31 void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
  32                                phys_addr_t base, phys_addr_t size);
  33 #else
  34 static inline void fdt_init_reserved_mem(void) { }
  35 static inline void fdt_reserved_mem_save_node(unsigned long node,
  36                 const char *uname, phys_addr_t base, phys_addr_t size) { }
  37 #endif
  38
  39 #endif /* __OF_RESERVED_MEM_H */