[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>

drivers/char/istallion.c

@@ -2424,7 +2424,6 @@ static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp)
 			if (tty != NULL) {
 				tty_wakeup(tty);
 				EBRDENABLE(brdp);
-				wake_up_interruptible(&tty->write_wait);
 			}
 		}