[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, 9 deletions

diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 0b0fb51bad3e..d78692c01cfa 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -616,15 +616,7 @@ static void digi_wakeup_write_lock(struct work_struct *work)
 
 static void digi_wakeup_write( struct usb_serial_port *port )
 {
-
-        struct tty_struct *tty = port->tty;
-
-
-        /* wake up port processes */
-        wake_up_interruptible( &port->write_wait );
-
-        /* wake up line discipline */
-        tty_wakeup(tty);
+        tty_wakeup(port->tty);
 }