tty: Convert termios_mutex to termios_rwsem

[linux-2.6-microblaze.git] / drivers / net / irda / irtty-sir.c

diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index a412671..177441a 100644 (file)
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -123,14 +123,14 @@ static int irtty_change_speed(struct sir_dev *dev, unsigned speed)
 
        tty = priv->tty;
 
-       mutex_lock(&tty->termios_mutex);
+       down_write(&tty->termios_rwsem);
        old_termios = tty->termios;
        cflag = tty->termios.c_cflag;
        tty_encode_baud_rate(tty, speed, speed);
        if (tty->ops->set_termios)
                tty->ops->set_termios(tty, &old_termios);
        priv->io.speed = speed;
-       mutex_unlock(&tty->termios_mutex);
+       up_write(&tty->termios_rwsem);
 
        return 0;
 }
@@ -280,7 +280,7 @@ static inline void irtty_stop_receiver(struct tty_struct *tty, int stop)
        struct ktermios old_termios;
        int cflag;
 
-       mutex_lock(&tty->termios_mutex);
+       down_write(&tty->termios_rwsem);
        old_termios = tty->termios;
        cflag = tty->termios.c_cflag;
        
@@ -292,7 +292,7 @@ static inline void irtty_stop_receiver(struct tty_struct *tty, int stop)
        tty->termios.c_cflag = cflag;
        if (tty->ops->set_termios)
                tty->ops->set_termios(tty, &old_termios);
-       mutex_unlock(&tty->termios_mutex);
+       up_write(&tty->termios_rwsem);
 }
 
 /*****************************************************************/