diff options
Diffstat (limited to 'kernel/printk.c')
| -rw-r--r-- | kernel/printk.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index d2d1a1a257da..4505465f2dd7 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -535,6 +535,18 @@ void console_print(const char *s) } EXPORT_SYMBOL(console_print); +void console_unblank(void) +{ + struct console *c; + + acquire_console_sem(); + for (c = console_drivers; c != NULL; c = c->next) + if ((c->flags & CON_ENABLED) && c->unblank) + c->unblank(); + release_console_sem(); +} +EXPORT_SYMBOL(console_unblank); + /* * The console driver calls this routine during kernel initialization * to register the console printing procedure with printk() and to |