tty: shutdown method

[linux-2.6-omap-h63xx.git] / include / linux / tty_driver.h

diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index ac6e58e26b73f4f9d55ab5e32a188c783dd9d3c5..2322313a8589d614c84275d020f0ad1a33d9ad41 100644 (file)
--- 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);