tty: Power: fix suspend vt regression

[safe/jmp/linux-2.6] / drivers / char / vt.c

diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 404f4c1..0c80c68 100644 (file)
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -252,7 +252,6 @@ static void notify_update(struct vc_data *vc)
        struct vt_notifier_param param = { .vc = vc };
        atomic_notifier_call_chain(&vt_notifier_list, VT_UPDATE, &param);
 }
-
 /*
  *     Low-Level Functions
  */
@@ -935,6 +934,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
 
        if (CON_IS_VISIBLE(vc))
                update_screen(vc);
+       vt_event_post(VT_EVENT_RESIZE, vc->vc_num, vc->vc_num);
        return err;
 }
 
@@ -2129,11 +2129,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
        currcons = vc->vc_num;
        if (!vc_cons_allocated(currcons)) {
            /* could this happen? */
-           static int error = 0;
-           if (!error) {
-               error = 1;
-               printk("con_write: tty %d not allocated\n", currcons+1);
-           }
+               printk_once("con_write: tty %d not allocated\n", currcons+1);
            release_console_sem();
            return 0;
        }
@@ -2910,6 +2906,9 @@ static const struct tty_operations con_ops = {
        .flush_chars = con_flush_chars,
        .chars_in_buffer = con_chars_in_buffer,
        .ioctl = vt_ioctl,
+#ifdef CONFIG_COMPAT
+       .compat_ioctl = vt_compat_ioctl,
+#endif
        .stop = con_stop,
        .start = con_start,
        .throttle = con_throttle,
@@ -2948,9 +2947,6 @@ int __init vty_init(const struct file_operations *console_fops)
                panic("Couldn't register console driver\n");
        kbd_init();
        console_map_init();
-#ifdef CONFIG_PROM_CONSOLE
-       prom_con_init();
-#endif
 #ifdef CONFIG_MDA_CONSOLE
        mda_console_init();
 #endif
@@ -2958,7 +2954,6 @@ int __init vty_init(const struct file_operations *console_fops)
 }
 
 #ifndef VT_SINGLE_DRIVER
-#include <linux/device.h>
 
 static struct class *vtconsole_class;
 
@@ -3641,6 +3636,7 @@ void do_blank_screen(int entering_gfx)
                blank_state = blank_vesa_wait;
                mod_timer(&console_timer, jiffies + vesa_off_interval);
        }
+       vt_event_post(VT_EVENT_BLANK, vc->vc_num, vc->vc_num);
 }
 EXPORT_SYMBOL(do_blank_screen);
 
@@ -3685,6 +3681,7 @@ void do_unblank_screen(int leaving_gfx)
                console_blank_hook(0);
        set_palette(vc);
        set_cursor(vc);
+       vt_event_post(VT_EVENT_UNBLANK, vc->vc_num, vc->vc_num);
 }
 EXPORT_SYMBOL(do_unblank_screen);