linux-kernel - [PATCH 9/9] vt: delete unneeded function unregister_con

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Date:	Thu, 9 May 2013 02:14:44 +0800
From:	Wang YanQing <udknight@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	jslaby@...e.cz, alan@...ux.intel.com, airlied@...hat.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH 9/9] 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@...il.com>
---
 drivers/tty/vt/vt.c     | 13 +------------
 include/linux/console.h |  1 -
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 8f4a71a..405e1c9 100644
--- 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 c2b2d45..cbe59c3 100644
--- 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);
-- 
1.7.12.4.dirty
--
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