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[PATCH] VT binding: Make VT binding a Kconfig option

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To enable this feature, CONFIG_VT_HW_CONSOLE_BINDING must be set to 'y'.  This
feature will default to 'n' to minimize users accidentally corrupting their
virtual terminals.

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Antonino A. Daplas
2006-06-26 00:27:12 -07:00
committed by Linus Torvalds
parent 6db4063c5b
commit 13ae664589
2 changed files with 44 additions and 16 deletions
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43
drivers/char/vt.c
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@@ -2691,22 +2691,6 @@ int __init vty_init(void)
static struct class *vtconsole_class;
static int con_is_graphics(const struct consw *csw, int first, int last)
{
int i, retval = 0;
for (i = first; i <= last; i++) {
struct vc_data *vc = vc_cons[i].d;
if (vc && vc->vc_mode == KD_GRAPHICS) {
retval = 1;
break;
}
}
return retval;
}
static int bind_con_driver(const struct consw *csw, int first, int last,
int deflt)
{
@@ -2808,6 +2792,23 @@ err:
return retval;
};
#ifdef CONFIG_VT_HW_CONSOLE_BINDING
static int con_is_graphics(const struct consw *csw, int first, int last)
{
int i, retval = 0;
for (i = first; i <= last; i++) {
struct vc_data *vc = vc_cons[i].d;
if (vc && vc->vc_mode == KD_GRAPHICS) {
retval = 1;
break;
}
}
return retval;
}
static int unbind_con_driver(const struct consw *csw, int first, int last,
int deflt)
{
@@ -2984,6 +2985,16 @@ static int vt_unbind(struct con_driver *con)
err:
return 0;
}
#else
static inline int vt_bind(struct con_driver *con)
{
return 0;
}
static inline int vt_unbind(struct con_driver *con)
{
return 0;
}
#endif /* CONFIG_VT_HW_CONSOLE_BINDING */
static ssize_t store_bind(struct class_device *class_device,
const char *buf, size_t count)