diff --git a/include/linux/tty.h b/include/linux/tty.h
index e898eeb..cb35ca5 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -290,7 +290,9 @@
 extern int tty_unregister_ldisc(int disc);
 extern int tty_register_driver(struct tty_driver *driver);
 extern int tty_unregister_driver(struct tty_driver *driver);
-extern void tty_register_device(struct tty_driver *driver, unsigned index, struct device *dev);
+extern struct class_device *tty_register_device(struct tty_driver *driver,
+						unsigned index,
+						struct device *dev);
 extern void tty_unregister_device(struct tty_driver *driver, unsigned index);
 extern int tty_read_raw_data(struct tty_struct *tty, unsigned char *bufp,
 			     int buflen);