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vt: delete unneeded function unregister_con_driver

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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>
This commit is contained in:
Wang YanQing 2013-05-09 02:14:44 +08:00 committed by Greg Kroah-Hartman
parent 70125e76b0
commit 50539dd4f8
2 changed files with 1 additions and 13 deletions
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13
drivers/tty/vt/vt.c
View File

@ -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;

1
include/linux/console.h
View File

@ -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);