[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/amiserial.c b/drivers/char/amiserial.c
index feb4ac802a0d..39880eb58f35 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -527,10 +527,8 @@ static void do_softint(unsigned long private_)
         if (!tty)
                 return;
 
-        if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) {
+        if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event))
                 tty_wakeup(tty);
-                wake_up_interruptible(&tty->write_wait);
-        }
 }
 
 /*
@@ -968,7 +966,6 @@ static void rs_flush_buffer(struct tty_struct *tty)
         local_irq_save(flags);
         info->xmit.head = info->xmit.tail = 0;
         local_irq_restore(flags);
-        wake_up_interruptible(&tty->write_wait);
         tty_wakeup(tty);
 }