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vt: delete unneeded function unbind_con_driver 

Now there is no place use unbind_con_driver,
and we can achieve unbind_con_driver's function
with do_unbind_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>
hifive-unleashed-5.1
Wang YanQing 2013-05-09 02:14:15 +08:00 committed by Greg Kroah-Hartman
parent 618f2b9007
commit c1f5e38a5d
2 changed files with 0 additions and 30 deletions
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28
drivers/tty/vt/vt.c
View File

@ -3116,34 +3116,6 @@ static int con_is_graphics(const struct consw *csw, int first, int last)
return retval;
}
/**
* unbind_con_driver - unbind a console driver
* @csw: pointer to console driver to unregister
* @first: first in range of consoles that @csw should be unbound from
* @last: last in range of consoles that @csw should be unbound from
* @deflt: should next bound console driver be default after @csw is unbound?
*
* To unbind a driver from all possible consoles, pass 0 as @first and
* %MAX_NR_CONSOLES as @last.
*
* @deflt controls whether the console that ends up replacing @csw should be
* the default console.
*
* RETURNS:
* -ENODEV if @csw isn't a registered console driver or can't be unregistered
* or 0 on success.
*/
int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
{
int retval;
console_lock();
retval = do_unbind_con_driver(csw, first, last, deflt);
console_unlock();
return retval;
}
EXPORT_SYMBOL(unbind_con_driver);
/* unlocked version of unbind_con_driver() */
int do_unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
{

2
include/linux/vt_kern.h
View File

@ -133,8 +133,6 @@ void change_console(struct vc_data *new_vc);
void reset_vc(struct vc_data *vc);
extern int do_unbind_con_driver(const struct consw *csw, int first, int last,
int deflt);
extern int unbind_con_driver(const struct consw *csw, int first, int last,
int deflt);
int vty_init(const struct file_operations *console_fops);
static inline bool vt_force_oops_output(struct vc_data *vc)