[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_gt.c b/drivers/char/synclink_gt.c
index 792c79c315e0..54af763518fe 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -1045,7 +1045,6 @@ static void flush_buffer(struct tty_struct *tty)
                 info->tx_count = 0;
         spin_unlock_irqrestore(&info->lock,flags);
 
-        wake_up_interruptible(&tty->write_wait);
         tty_wakeup(tty);
 }
 
@@ -1933,10 +1932,8 @@ static void bh_transmit(struct slgt_info *info)
         struct tty_struct *tty = info->tty;
 
         DBGBH(("%s bh_transmit\n", info->device_name));
-        if (tty) {
+        if (tty)
                 tty_wakeup(tty);
-                wake_up_interruptible(&tty->write_wait);
-        }
 }
 
 static void dsr_change(struct slgt_info *info)