[PATCH] Char: tty_wakeup cleanup

tty_wakeup cleanup

- remove wake_up_interruptible(&tty->write_wait) surrounding
  tty_wakup(tty);
- substitute tty->ldisc.write_wakeup(tty) + wake_up() by tty_wakeup(tty);

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Acked-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 3fa625db9e4..bf76db1342c 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -1148,10 +1148,8 @@ static void mgsl_bh_transmit(struct mgsl_struct *info)
                 printk( "%s(%d):mgsl_bh_transmit() entry on %s\n",
                         __FILE__,__LINE__,info->device_name);
 
-        if (tty) {
+        if (tty)
                 tty_wakeup(tty);
-                wake_up_interruptible(&tty->write_wait);
-        }
 
         /* if transmitter idle and loopmode_send_done_requested
          * then start echoing RxD to TxD
@@ -2340,7 +2338,6 @@ static void mgsl_flush_buffer(struct tty_struct *tty)
         del_timer(&info->tx_timer);     
         spin_unlock_irqrestore(&info->irq_spinlock,flags);
         
-        wake_up_interruptible(&tty->write_wait);
         tty_wakeup(tty);
 }