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authorJesse Barnes <jbarnes@virtuousgeek.org>2007-07-17 15:05:34 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 21:23:11 +0400
commitb7269dd2b97b9aedb64e15fdec5575345d091925 (patch)
tree4e6776192ef784a19f9b29411ba3236a8f57cc49 /drivers/char/vt.c
parentcfafca8067c6defbaeb28cb898b7b3f8abdfe20d (diff)
downloadlinux-b7269dd2b97b9aedb64e15fdec5575345d091925.tar.xz
vt: add comment for unbind_con_driver()
- add comment for unbind_con_driver(). - bind_con_driver() is made private again Signed-off-by: Jesse Barnes <jesse.barnes@intel.com> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/vt.c')
-rw-r--r--drivers/char/vt.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 8a389b314624..45b33cf97643 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2869,7 +2869,8 @@ int __init vty_init(void)
static struct class *vtconsole_class;
-int bind_con_driver(const struct consw *csw, int first, int last, int deflt)
+static int bind_con_driver(const struct consw *csw, int first, int last,
+ int deflt)
{
struct module *owner = csw->owner;
const char *desc = NULL;
@@ -2968,7 +2969,6 @@ err:
module_put(owner);
return retval;
};
-EXPORT_SYMBOL(bind_con_driver);
#ifdef CONFIG_VT_HW_CONSOLE_BINDING
static int con_is_graphics(const struct consw *csw, int first, int last)
@@ -2987,6 +2987,23 @@ 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)
{
struct module *owner = csw->owner;