diff options
| -rw-r--r-- | arch/ia64/hp/sim/simserial.c | 64 |
1 files changed, 7 insertions, 57 deletions
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c index e9c5fb7b923..323c9325e57 100644 --- a/arch/ia64/hp/sim/simserial.c +++ b/arch/ia64/hp/sim/simserial.c @@ -388,17 +388,11 @@ static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) * This routine will shutdown a serial port; interrupts are disabled, and * DTR is dropped if the hangup on close termio flag is on. */ -static void shutdown(struct tty_struct *tty, struct serial_state *info) +static void shutdown(struct tty_port *port) { - unsigned long flags; - - if (!(info->port.flags & ASYNC_INITIALIZED)) - return; - -#ifdef SIMSERIAL_DEBUG - printk("Shutting down serial port %d (irq %d)...\n", info->line, - info->irq); -#endif + struct serial_state *info = container_of(port, struct serial_state, + port); + unsigned long flags; local_irq_save(flags); { @@ -409,70 +403,25 @@ static void shutdown(struct tty_struct *tty, struct serial_state *info) free_page((unsigned long) info->xmit.buf); info->xmit.buf = NULL; } - - set_bit(TTY_IO_ERROR, &tty->flags); - - info->port.flags &= ~ASYNC_INITIALIZED; } local_irq_restore(flags); } -/* - * ------------------------------------------------------------ - * rs_close() - * - * 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 rs_close(struct tty_struct *tty, struct file * filp) { struct serial_state *info = tty->driver_data; - struct tty_port *port = &info->port; - - if (!info) - return; - - if (tty_port_close_start(port, tty, filp) == 0) - return; - - /* - * Now we wait for the transmit buffer to clear; and we notify - * the line discipline to only process XON/XOFF characters. - */ - shutdown(tty, info); - rs_flush_buffer(tty); - tty_port_close_end(port, tty); - tty_port_tty_set(port, NULL); + tty_port_close(&info->port, tty, filp); } -/* - * rs_hangup() --- called by tty_hangup() when a hangup is signaled. - */ static void rs_hangup(struct tty_struct *tty) { struct serial_state *info = tty->driver_data; - struct tty_port *port = &info->port; - -#ifdef SIMSERIAL_DEBUG - printk("rs_hangup: called\n"); -#endif rs_flush_buffer(tty); - if (port->flags & ASYNC_CLOSING) - return; - shutdown(tty, info); - - port->count = 0; - port->flags &= ~ASYNC_NORMAL_ACTIVE; - tty_port_tty_set(port, NULL); - wake_up_interruptible(&port->open_wait); + tty_port_hangup(&info->port); } - static int activate(struct tty_port *port, struct tty_struct *tty) { struct serial_state *state = container_of(port, struct serial_state, @@ -615,6 +564,7 @@ static const struct tty_operations hp_ops = { static const struct tty_port_operations hp_port_ops = { .activate = activate, + .shutdown = shutdown, }; /* |