extern spinlock_t w1_flock;
-void w1_family_get(struct w1_family *);
void w1_family_put(struct w1_family *);
void __w1_family_get(struct w1_family *);
-void __w1_family_put(struct w1_family *);
struct w1_family * w1_family_registered(u8);
void w1_unregister_family(struct w1_family *);
int w1_register_family(struct w1_family *);