[PATCH] w1: Added add/remove slave callbacks.

Patch is based on work from Ben Gardner <bgardner@wabtec.com>

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index b26da01..0a564a0 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -35,10 +35,12 @@
 
 #define MAXNAMELEN		32
 
+struct w1_slave;
+
 struct w1_family_ops
 {
-	ssize_t (* rname)(struct device *, struct device_attribute *, char *);
-	ssize_t (* rbin)(struct kobject *, char *, loff_t, size_t);
+	int  (* add_slave)(struct w1_slave *);
+	void (* remove_slave)(struct w1_slave *);
 };
 
 struct w1_family