1 #ifndef __PROM_H 2 #define __PROM_H 3 4 #include <linux/spinlock.h> 5 #include <asm/prom.h> 6 7 extern void * prom_early_alloc(unsigned long size); 8 extern void irq_trans_init(struct device_node *dp); 9 10 extern unsigned int prom_unique_id; 11 12 static inline int is_root_node(const struct device_node *dp) 13 { 14 if (!dp) 15 return 0; 16 17 return (dp->parent == NULL); 18 } 19 20 extern char *build_path_component(struct device_node *dp); 21 extern void of_console_init(void); 22 23 extern unsigned int prom_early_allocated; 24 25 #endif /* __PROM_H */ 26