[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, 0 insertions, 3 deletions

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index e94a62e30fc4..106f225e745f 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -474,7 +474,6 @@ static void rp_do_transmit(struct r_port *info)
 
         if (info->xmit_cnt < WAKEUP_CHARS) {
                 tty_wakeup(tty);
-                wake_up_interruptible(&tty->write_wait);
 #ifdef ROCKETPORT_HAVE_POLL_WAIT
                 wake_up_interruptible(&tty->poll_wait);
 #endif
@@ -1772,7 +1771,6 @@ static int rp_write(struct tty_struct *tty,
 end:
         if (info->xmit_cnt < WAKEUP_CHARS) {
                 tty_wakeup(tty);
-                wake_up_interruptible(&tty->write_wait);
 #ifdef ROCKETPORT_HAVE_POLL_WAIT
                 wake_up_interruptible(&tty->poll_wait);
 #endif
@@ -1841,7 +1839,6 @@ static void rp_flush_buffer(struct tty_struct *tty)
         info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
         spin_unlock_irqrestore(&info->slock, flags);
 
-        wake_up_interruptible(&tty->write_wait);
 #ifdef ROCKETPORT_HAVE_POLL_WAIT
         wake_up_interruptible(&tty->poll_wait);
 #endif