commit b963a8441cb95999c97bea379607071a869c65f0
author Jiri Slaby <jirislaby@gmail.com> Sat Feb 10 01:44:55 2007 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Sun Feb 11 10:51:26 2007 -0800
tree 111fa0624be52ba830902fac3777febf340cf5e8
parent 1ed0c0b7306d7c93e83ebe30087a12684b280cdc

[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/serial/crisv10.c

diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 42b050c..312bef6 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -3173,12 +3173,8 @@
 	if (!tty)
 		return;
 
-	if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) {
-		if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
-		    tty->ldisc.write_wakeup)
-			(tty->ldisc.write_wakeup)(tty);
-		wake_up_interruptible(&tty->write_wait);
-	}
+	if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event))
+		tty_wakeup(tty);
 }
 
 static int
@@ -3798,11 +3794,7 @@
 	info->xmit.head = info->xmit.tail = 0;
 	restore_flags(flags);
 
-	wake_up_interruptible(&tty->write_wait);
-
-	if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
-	    tty->ldisc.write_wakeup)
-		(tty->ldisc.write_wakeup)(tty);
+	tty_wakeup(tty);
 }
 
 /*