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Diffstat (limited to 'include/linux/tty_driver.h')
-rw-r--r--include/linux/tty_driver.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index ac6e58e26b7..2322313a858 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);