[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/riscom8.c b/drivers/char/riscom8.c
index e2a94bfb2a43..70145254fb9d 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -1229,7 +1229,6 @@ static void rc_flush_buffer(struct tty_struct *tty)
         port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
         restore_flags(flags);
         
-        wake_up_interruptible(&tty->write_wait);
         tty_wakeup(tty);
 }
 
@@ -1570,10 +1569,8 @@ static void do_softint(struct work_struct *ugly_api)
         if(!(tty = port->tty)) 
                 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);
-        }
 }
 
 static const struct tty_operations riscom_ops = {