vt: delete unneeded function unregister_con_driver

Now there is no place use unregister_con_driver,
and we can achieve unregister_con_driver's function
with unregister_con_driver easily, so just delete it
to reduce code size and duplication.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 8f4a71a..405e1c9 100644 (file)
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3545,7 +3545,7 @@ err:
 
 
 /**
- * unregister_con_driver - unregister console driver from console layer
+ * do_unregister_con_driver - unregister console driver from console layer
  * @csw: console driver
  *
  * DESCRIPTION: All drivers that registers to the console layer must
@@ -3555,17 +3555,6 @@ err:
  *
  * The driver must unbind first prior to unregistration.
  */
-int unregister_con_driver(const struct consw *csw)
-{
-       int retval;
-
-       console_lock();
-       retval = do_unregister_con_driver(csw);
-       console_unlock();
-       return retval;
-}
-EXPORT_SYMBOL(unregister_con_driver);
-
 int do_unregister_con_driver(const struct consw *csw)
 {
        int i, retval = -ENODEV;

diff --git a/include/linux/console.h b/include/linux/console.h
index 8f9bd96..7571a16 100644 (file)
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -75,7 +75,6 @@ extern const struct consw newport_con;        /* SGI Newport console  */
 extern const struct consw prom_con;    /* SPARC PROM console */
 
 int con_is_bound(const struct consw *csw);
-int unregister_con_driver(const struct consw *csw);
 int do_unregister_con_driver(const struct consw *csw);
 int do_take_over_console(const struct consw *sw, int first, int last, int deflt);
 void give_up_console(const struct consw *sw);