diff options
Diffstat (limited to 'drivers/tty/mxser.c')
| -rw-r--r-- | drivers/tty/mxser.c | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 4dafa16aa29c..6ab8899ada9c 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -896,29 +896,9 @@ static void mxser_flush_buffer(struct tty_struct *tty) tty_wakeup(tty); } -/* - * This routine is called when the serial port gets closed. First, we - * wait for the last remaining data to be sent. Then, we unlink its - * async structure from the interrupt chain if necessary, and we free - * that IRQ if nothing is left in the chain. - */ static void mxser_close(struct tty_struct *tty, struct file *filp) { - struct mxser_port *info = tty->driver_data; - struct tty_port *port = &info->port; - - if (tty_port_close_start(port, tty, filp) == 0) - return; - mutex_lock(&port->mutex); - if (tty_port_initialized(port) && C_HUPCL(tty)) - tty_port_lower_dtr_rts(port); - mxser_shutdown_port(port); - tty_port_set_initialized(port, 0); - mutex_unlock(&port->mutex); - /* Right now the tty_port set is done outside of the close_end helper - as we don't yet have everyone using refcounts */ - tty_port_close_end(port, tty); - tty_port_tty_set(port, NULL); + tty_port_close(tty->port, tty, filp); } static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int count) |