arch/sparc/kernel/prom.h

   1 #ifndef __PROM_H
   2 #define __PROM_H
   3
   4 #include <linux/spinlock.h>
   5 #include <asm/prom.h>
   6
   7 extern struct device_node *allnodes;    /* temporary while merging */
   8 extern rwlock_t devtree_lock;   /* temporary while merging */
   9
  10 extern void * prom_early_alloc(unsigned long size);
  11
  12 #ifdef CONFIG_SPARC64
  13 extern void irq_trans_init(struct device_node *dp);
  14 #endif
  15
  16 extern unsigned int prom_unique_id;
  17
  18 static inline int is_root_node(const struct device_node *dp)
  19 {
  20         if (!dp)
  21                 return 0;
  22
  23         return (dp->parent == NULL);
  24 }
  25
  26 extern char *build_path_component(struct device_node *dp);
  27
  28 extern struct device_node * __init prom_create_node(phandle node,
  29                                                     struct device_node *parent);
  30
  31 extern struct device_node * __init prom_build_tree(struct device_node *parent,
  32                                                    phandle node,
  33                                                    struct device_node ***nextp);
  34 #endif /* __PROM_H */