[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>
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 20946f5..92043c8 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -2350,10 +2350,8 @@
 		return;
 	}
 
-	if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &port->event)) {
+	if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &port->event))
  		tty_wakeup(tty);
-		//wake_up_interruptible(&tty->write_wait);
-	}
 
 	func_exit();
 }