1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index ac6e58e26b73..2322313a8589 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -21,6 +21,11 @@
  *
  *      Required method.
  *
+ * void (*shutdown)(struct tty_struct * tty);
+ *
+ *      This routine is called when a particular tty device is closed for
+ *      the last time freeing up the resources.
+ *
  * int (*write)(struct tty_struct * tty,
  *               const unsigned char *buf, int count);
  *
@@ -200,6 +205,7 @@ struct tty_driver;
 struct tty_operations {
         int  (*open)(struct tty_struct * tty, struct file * filp);
         void (*close)(struct tty_struct * tty, struct file * filp);
+        void (*shutdown)(struct tty_struct *tty);
         int  (*write)(struct tty_struct * tty,
                       const unsigned char *buf, int count);
         int  (*put_char)(struct tty_struct *tty, unsigned char ch);