1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/tty.h b/include/linux/tty.h
index d07cd2105a6c..eccb4ec30a8a 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -558,6 +558,15 @@ extern struct device *tty_port_register_device_attr(struct tty_port *port,
                 struct tty_driver *driver, unsigned index,
                 struct device *device, void *drvdata,
                 const struct attribute_group **attr_grp);
+extern struct device *tty_port_register_device_serdev(struct tty_port *port,
+                struct tty_driver *driver, unsigned index,
+                struct device *device);
+extern struct device *tty_port_register_device_attr_serdev(struct tty_port *port,
+                struct tty_driver *driver, unsigned index,
+                struct device *device, void *drvdata,
+                const struct attribute_group **attr_grp);
+extern void tty_port_unregister_device(struct tty_port *port,
+                struct tty_driver *driver, unsigned index);
 extern int tty_port_alloc_xmit_buf(struct tty_port *port);
 extern void tty_port_free_xmit_buf(struct tty_port *port);
 extern void tty_port_destroy(struct tty_port *port);