extern bool kill_device(struct device *dev);
#ifdef CONFIG_DEVTMPFS
-extern int devtmpfs_create_node(struct device *dev);
-extern int devtmpfs_delete_node(struct device *dev);
extern int devtmpfs_mount(void);
#else
-static inline int devtmpfs_create_node(struct device *dev) { return 0; }
-static inline int devtmpfs_delete_node(struct device *dev) { return 0; }
static inline int devtmpfs_mount(void) { return 0; }
#endif