743 static struct ioc4_port *get_ioc4_port(struct uart_port *the_port, int set)  in get_ioc4_port()  argument
745 	struct ioc4_driver_data *idd = dev_get_drvdata(the_port->dev);  in get_ioc4_port()
759 				if (the_port == port->ip_all_ports  in get_ioc4_port()
763 						port->ip_port = the_port;  in get_ioc4_port()
1556 static inline int set_mcr(struct uart_port *the_port,  in set_mcr()  argument
1559 	struct ioc4_port *port = get_ioc4_port(the_port, 0);  in set_mcr()
1625 static void transmit_chars(struct uart_port *the_port)  in transmit_chars()  argument
1631 	struct ioc4_port *port = get_ioc4_port(the_port, 0);  in transmit_chars()
1634 	if (!the_port)  in transmit_chars()
1639 	state = the_port->state;  in transmit_chars()
1642 	if (uart_circ_empty(&state->xmit) || uart_tx_stopped(the_port)) {  in transmit_chars()
1659 			the_port->icount.tx += result;  in transmit_chars()
1668 		uart_write_wakeup(the_port);  in transmit_chars()
1684 ioc4_change_speed(struct uart_port *the_port,  in ioc4_change_speed()  argument
1687 	struct ioc4_port *port = get_ioc4_port(the_port, 0);  in ioc4_change_speed()
1691 	struct uart_state *state = the_port->state;  in ioc4_change_speed()
1729 	baud = uart_get_baud_rate(the_port, new_termios, old_termios,  in ioc4_change_speed()
1737 	if (!the_port->fifosize)  in ioc4_change_speed()
1738 		the_port->fifosize = IOC4_FIFO_CHARS;  in ioc4_change_speed()
1739 	the_port->timeout = ((the_port->fifosize * HZ * bits) / (baud / 10));  in ioc4_change_speed()
1740 	the_port->timeout += HZ / 50;	/* Add .02 seconds of slop */  in ioc4_change_speed()
1742 	the_port->ignore_status_mask = N_ALL_INPUT;  in ioc4_change_speed()
1747 		the_port->ignore_status_mask &= ~(N_PARITY_ERROR  in ioc4_change_speed()
1750 		the_port->ignore_status_mask &= ~N_BREAK;  in ioc4_change_speed()
1752 			the_port->ignore_status_mask &= ~N_OVERRUN_ERROR;  in ioc4_change_speed()
1756 		the_port->ignore_status_mask &= ~N_DATA_READY;  in ioc4_change_speed()
1772 	     new_parity_enable, new_parity, the_port->ignore_status_mask));  in ioc4_change_speed()
1779 		set_notification(port, the_port->ignore_status_mask, 1);  in ioc4_change_speed()
1787 static inline int ic4_startup_local(struct uart_port *the_port)  in ic4_startup_local()  argument
1792 	if (!the_port)  in ic4_startup_local()
1795 	port = get_ioc4_port(the_port, 0);  in ic4_startup_local()
1799 	state = the_port->state;  in ic4_startup_local()
1804 	ioc4_set_proto(port, the_port->mapbase);  in ic4_startup_local()
1807 	ioc4_change_speed(the_port, &state->port.tty->termios,  in ic4_startup_local()
1817 static void ioc4_cb_output_lowat(struct uart_port *the_port)  in ioc4_cb_output_lowat()  argument
1822 	if (the_port) {  in ioc4_cb_output_lowat()
1823 		spin_lock_irqsave(&the_port->lock, pflags);  in ioc4_cb_output_lowat()
1824 		transmit_chars(the_port);  in ioc4_cb_output_lowat()
1825 		spin_unlock_irqrestore(&the_port->lock, pflags);  in ioc4_cb_output_lowat()
1841 	struct uart_port *the_port;  in handle_intr()  local
1885 				the_port = port->ip_port;  in handle_intr()
1886 				the_port->icount.dcd = 1;  in handle_intr()
1888 					    (&the_port->state->port.delta_msr_wait);  in handle_intr()
1906 				the_port = port->ip_port;  in handle_intr()
1907 				the_port->icount.cts =  in handle_intr()
1910 					(&the_port->state->port.delta_msr_wait);  in handle_intr()
2042 static void ioc4_cb_post_ncs(struct uart_port *the_port, int ncs)  in ioc4_cb_post_ncs()  argument
2046 	icount = &the_port->icount;  in ioc4_cb_post_ncs()
2066 static inline int do_read(struct uart_port *the_port, unsigned char *buf,  in do_read()  argument
2070 	struct ioc4_port *port = get_ioc4_port(the_port, 0);  in do_read()
2241 						the_port->icount.dcd = 0;  in do_read()
2243 						    (&the_port->state->  in do_read()
2257 					ioc4_cb_post_ncs(the_port, NCS_OVERRUN);  in do_read()
2284 						ioc4_cb_post_ncs(the_port,  in do_read()
2289 						ioc4_cb_post_ncs(the_port,  in do_read()
2295 								    (the_port,  in do_read()
2342 static void receive_chars(struct uart_port *the_port)  in receive_chars()  argument
2347 	struct uart_state *state = the_port->state;  in receive_chars()
2354 	spin_lock_irqsave(&the_port->lock, pflags);  in receive_chars()
2359 		icount = &the_port->icount;  in receive_chars()
2360 		read_count = do_read(the_port, ch, request_count);  in receive_chars()
2367 	spin_unlock_irqrestore(&the_port->lock, pflags);  in receive_chars()
2377 static const char *ic4_type(struct uart_port *the_port)  in ic4_type()  argument
2379 	if (the_port->mapbase == PROTO_RS232)  in ic4_type()
2390 static unsigned int ic4_tx_empty(struct uart_port *the_port)  in ic4_tx_empty()  argument
2392 	struct ioc4_port *port = get_ioc4_port(the_port, 0);  in ic4_tx_empty()
2395 	if (port_is_active(port, the_port)) {  in ic4_tx_empty()
2407 static void ic4_stop_tx(struct uart_port *the_port)  in ic4_stop_tx()  argument
2409 	struct ioc4_port *port = get_ioc4_port(the_port, 0);  in ic4_stop_tx()
2411 	if (port_is_active(port, the_port))  in ic4_stop_tx()
2420 static void null_void_function(struct uart_port *the_port)  in null_void_function()  argument
2429 static void ic4_shutdown(struct uart_port *the_port)  in ic4_shutdown()  argument
2435 	port = get_ioc4_port(the_port, 0);  in ic4_shutdown()
2439 	state = the_port->state;  in ic4_shutdown()
2447 	spin_lock_irqsave(&the_port->lock, port_flags);  in ic4_shutdown()
2450 	spin_unlock_irqrestore(&the_port->lock, port_flags);  in ic4_shutdown()
2459 static void ic4_set_mctrl(struct uart_port *the_port, unsigned int mctrl)  in ic4_set_mctrl()  argument
2464 	port = get_ioc4_port(the_port, 0);  in ic4_set_mctrl()
2465 	if (!port_is_active(port, the_port))  in ic4_set_mctrl()
2479 	set_mcr(the_port, mcr, IOC4_SHADOW_DTR);  in ic4_set_mctrl()
2487 static unsigned int ic4_get_mctrl(struct uart_port *the_port)  in ic4_get_mctrl()  argument
2489 	struct ioc4_port *port = get_ioc4_port(the_port, 0);  in ic4_get_mctrl()
2493 	if (!port_is_active(port, the_port))  in ic4_get_mctrl()
2511 static void ic4_start_tx(struct uart_port *the_port)  in ic4_start_tx()  argument
2513 	struct ioc4_port *port = get_ioc4_port(the_port, 0);  in ic4_start_tx()
2515 	if (port_is_active(port, the_port)) {  in ic4_start_tx()
2527 static void ic4_break_ctl(struct uart_port *the_port, int break_state)  in ic4_break_ctl()  argument
2536 static int ic4_startup(struct uart_port *the_port)  in ic4_startup()  argument
2544 	if (!the_port)  in ic4_startup()
2546 	port = get_ioc4_port(the_port, 1);  in ic4_startup()
2549 	state = the_port->state;  in ic4_startup()
2558 	spin_lock_irqsave(&the_port->lock, port_flags);  in ic4_startup()
2559 	retval = ic4_startup_local(the_port);  in ic4_startup()
2560 	spin_unlock_irqrestore(&the_port->lock, port_flags);  in ic4_startup()
2572 ic4_set_termios(struct uart_port *the_port,  in ic4_set_termios()  argument
2577 	spin_lock_irqsave(&the_port->lock, port_flags);  in ic4_set_termios()
2578 	ioc4_change_speed(the_port, termios, old_termios);  in ic4_set_termios()
2579 	spin_unlock_irqrestore(&the_port->lock, port_flags);  in ic4_set_termios()
2643 	struct uart_port *the_port;  in ioc4_serial_remove_one()  local
2656 			the_port = &control->ic_port[port_num].icp_uart_port  in ioc4_serial_remove_one()
2658 			if (the_port) {  in ioc4_serial_remove_one()
2662 							the_port);  in ioc4_serial_remove_one()
2667 							the_port);  in ioc4_serial_remove_one()
2709 	struct uart_port *the_port;  in ioc4_serial_core_attach()  local
2731 		the_port = &control->ic_port[port_num].icp_uart_port  in ioc4_serial_core_attach()
2734 		port->ip_all_ports[port_type_idx] = the_port;  in ioc4_serial_core_attach()
2737 				__func__, (void *)the_port,  in ioc4_serial_core_attach()
2742 		the_port->membase = (unsigned char __iomem *)1;  in ioc4_serial_core_attach()
2743 		the_port->iobase = (pdev->bus->number << 16) |  port_num;  in ioc4_serial_core_attach()
2744 		the_port->line = (Num_of_ioc4_cards << 2) | port_num;  in ioc4_serial_core_attach()
2745 		the_port->mapbase = port_type;  in ioc4_serial_core_attach()
2746 		the_port->type = PORT_16550A;  in ioc4_serial_core_attach()
2747 		the_port->fifosize = IOC4_FIFO_CHARS;  in ioc4_serial_core_attach()
2748 		the_port->ops = &ioc4_ops;  in ioc4_serial_core_attach()
2749 		the_port->irq = control->ic_irq;  in ioc4_serial_core_attach()
2750 		the_port->dev = &pdev->dev;  in ioc4_serial_core_attach()
2751 		spin_lock_init(&the_port->lock);  in ioc4_serial_core_attach()
2752 		if (uart_add_one_port(u_driver, the_port) < 0) {  in ioc4_serial_core_attach()
2755 			       __func__, the_port->line, pdev->bus->number);  in ioc4_serial_core_attach()
2759 			       the_port->line, the_port->irq, pdev->bus->number));  in ioc4_serial_core_attach()