diff options
Diffstat (limited to 'drivers/char/riscom8.c')
| -rw-r--r-- | drivers/char/riscom8.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index b56e0e04cb4..a82c2a2d5e6 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1015,6 +1015,24 @@ static int rc_open(struct tty_struct * tty, struct file * filp) return 0; } +static void rc_flush_buffer(struct tty_struct *tty) +{ + struct riscom_port *port = (struct riscom_port *)tty->driver_data; + unsigned long flags; + + if (rc_paranoia_check(port, tty->name, "rc_flush_buffer")) + return; + + spin_lock_irqsave(&riscom_lock, flags); + + port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; + + spin_unlock_irqrestore(&riscom_lock, flags); + + tty_wakeup(tty); +} + + static void rc_close(struct tty_struct * tty, struct file * filp) { struct riscom_port *port = (struct riscom_port *) tty->driver_data; @@ -1078,8 +1096,7 @@ static void rc_close(struct tty_struct * tty, struct file * filp) } } rc_shutdown_port(bp, port); - if (tty->driver->flush_buffer) - tty->driver->flush_buffer(tty); + rc_flush_buffer(tty); tty_ldisc_flush(tty); tty->closing = 0; @@ -1213,23 +1230,6 @@ static int rc_chars_in_buffer(struct tty_struct *tty) return port->xmit_cnt; } -static void rc_flush_buffer(struct tty_struct *tty) -{ - struct riscom_port *port = (struct riscom_port *)tty->driver_data; - unsigned long flags; - - if (rc_paranoia_check(port, tty->name, "rc_flush_buffer")) - return; - - spin_lock_irqsave(&riscom_lock, flags); - - port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; - - spin_unlock_irqrestore(&riscom_lock, flags); - - tty_wakeup(tty); -} - static int rc_tiocmget(struct tty_struct *tty, struct file *file) { struct riscom_port *port = (struct riscom_port *)tty->driver_data; |