286 	 * IIR bits on their UART, but it's specifically designed for  in serial8250_backup_timeout()
287 	 * the "Diva" UART used on the management processor on many HP  in serial8250_backup_timeout()
595 	 * Check whether an invalid uart number has been specified, and  in univ8250_console_setup()
627  *	    console=uart[8250],io|mmio|mmio16|mmio32,<addr>[,<options>]
628  *	    console=uart[8250],0x<addr>[,<options>]
640 	char match[] = "uart";	/* 8250-specific earlycon name */  in univ8250_console_match()
808 	struct uart_8250_port uart;  in serial8250_probe()  local
811 	memset(&uart, 0, sizeof(uart));  in serial8250_probe()
817 		uart.port.iobase	= p->iobase;  in serial8250_probe()
818 		uart.port.membase	= p->membase;  in serial8250_probe()
819 		uart.port.irq		= p->irq;  in serial8250_probe()
820 		uart.port.irqflags	= p->irqflags;  in serial8250_probe()
821 		uart.port.uartclk	= p->uartclk;  in serial8250_probe()
822 		uart.port.regshift	= p->regshift;  in serial8250_probe()
823 		uart.port.iotype	= p->iotype;  in serial8250_probe()
824 		uart.port.flags		= p->flags;  in serial8250_probe()
825 		uart.port.mapbase	= p->mapbase;  in serial8250_probe()
826 		uart.port.hub6		= p->hub6;  in serial8250_probe()
827 		uart.port.has_sysrq	= p->has_sysrq;  in serial8250_probe()
828 		uart.port.private_data	= p->private_data;  in serial8250_probe()
829 		uart.port.type		= p->type;  in serial8250_probe()
830 		uart.port.serial_in	= p->serial_in;  in serial8250_probe()
831 		uart.port.serial_out	= p->serial_out;  in serial8250_probe()
832 		uart.port.handle_irq	= p->handle_irq;  in serial8250_probe()
833 		uart.port.handle_break	= p->handle_break;  in serial8250_probe()
834 		uart.port.set_termios	= p->set_termios;  in serial8250_probe()
835 		uart.port.set_ldisc	= p->set_ldisc;  in serial8250_probe()
836 		uart.port.get_mctrl	= p->get_mctrl;  in serial8250_probe()
837 		uart.port.pm		= p->pm;  in serial8250_probe()
838 		uart.port.dev		= &dev->dev;  in serial8250_probe()
839 		uart.port.irqflags	|= irqflag;  in serial8250_probe()
840 		ret = serial8250_register_8250_port(&uart);  in serial8250_probe()
985 	struct uart_8250_port *uart;  in serial8250_register_8250_port()  local
993 	uart = serial8250_find_match_or_unused(&up->port);  in serial8250_register_8250_port()
994 	if (uart && uart->port.type != PORT_8250_CIR) {  in serial8250_register_8250_port()
997 		if (uart->port.dev)  in serial8250_register_8250_port()
998 			uart_remove_one_port(&serial8250_reg, &uart->port);  in serial8250_register_8250_port()
1000 		uart->port.iobase       = up->port.iobase;  in serial8250_register_8250_port()
1001 		uart->port.membase      = up->port.membase;  in serial8250_register_8250_port()
1002 		uart->port.irq          = up->port.irq;  in serial8250_register_8250_port()
1003 		uart->port.irqflags     = up->port.irqflags;  in serial8250_register_8250_port()
1004 		uart->port.uartclk      = up->port.uartclk;  in serial8250_register_8250_port()
1005 		uart->port.fifosize     = up->port.fifosize;  in serial8250_register_8250_port()
1006 		uart->port.regshift     = up->port.regshift;  in serial8250_register_8250_port()
1007 		uart->port.iotype       = up->port.iotype;  in serial8250_register_8250_port()
1008 		uart->port.flags        = up->port.flags | UPF_BOOT_AUTOCONF;  in serial8250_register_8250_port()
1009 		uart->bugs		= up->bugs;  in serial8250_register_8250_port()
1010 		uart->port.mapbase      = up->port.mapbase;  in serial8250_register_8250_port()
1011 		uart->port.mapsize      = up->port.mapsize;  in serial8250_register_8250_port()
1012 		uart->port.private_data = up->port.private_data;  in serial8250_register_8250_port()
1013 		uart->tx_loadsz		= up->tx_loadsz;  in serial8250_register_8250_port()
1014 		uart->capabilities	= up->capabilities;  in serial8250_register_8250_port()
1015 		uart->port.throttle	= up->port.throttle;  in serial8250_register_8250_port()
1016 		uart->port.unthrottle	= up->port.unthrottle;  in serial8250_register_8250_port()
1017 		uart->port.rs485_config	= up->port.rs485_config;  in serial8250_register_8250_port()
1018 		uart->port.rs485	= up->port.rs485;  in serial8250_register_8250_port()
1019 		uart->rs485_start_tx	= up->rs485_start_tx;  in serial8250_register_8250_port()
1020 		uart->rs485_stop_tx	= up->rs485_stop_tx;  in serial8250_register_8250_port()
1021 		uart->dma		= up->dma;  in serial8250_register_8250_port()
1024 		if (uart->port.fifosize && !uart->tx_loadsz)  in serial8250_register_8250_port()
1025 			uart->tx_loadsz = uart->port.fifosize;  in serial8250_register_8250_port()
1028 			uart->port.dev = up->port.dev;  in serial8250_register_8250_port()
1029 			ret = uart_get_rs485_mode(&uart->port);  in serial8250_register_8250_port()
1035 			uart->port.type = up->port.type;  in serial8250_register_8250_port()
1041 		if (!has_acpi_companion(uart->port.dev)) {  in serial8250_register_8250_port()
1042 			gpios = mctrl_gpio_init(&uart->port, 0);  in serial8250_register_8250_port()
1047 				uart->gpios = gpios;  in serial8250_register_8250_port()
1051 		serial8250_set_defaults(uart);  in serial8250_register_8250_port()
1055 			uart->port.serial_in = up->port.serial_in;  in serial8250_register_8250_port()
1057 			uart->port.serial_out = up->port.serial_out;  in serial8250_register_8250_port()
1059 			uart->port.handle_irq = up->port.handle_irq;  in serial8250_register_8250_port()
1062 			uart->port.set_termios = up->port.set_termios;  in serial8250_register_8250_port()
1064 			uart->port.set_ldisc = up->port.set_ldisc;  in serial8250_register_8250_port()
1066 			uart->port.get_mctrl = up->port.get_mctrl;  in serial8250_register_8250_port()
1068 			uart->port.set_mctrl = up->port.set_mctrl;  in serial8250_register_8250_port()
1070 			uart->port.get_divisor = up->port.get_divisor;  in serial8250_register_8250_port()
1072 			uart->port.set_divisor = up->port.set_divisor;  in serial8250_register_8250_port()
1074 			uart->port.startup = up->port.startup;  in serial8250_register_8250_port()
1076 			uart->port.shutdown = up->port.shutdown;  in serial8250_register_8250_port()
1078 			uart->port.pm = up->port.pm;  in serial8250_register_8250_port()
1080 			uart->port.handle_break = up->port.handle_break;  in serial8250_register_8250_port()
1082 			uart->dl_read = up->dl_read;  in serial8250_register_8250_port()
1084 			uart->dl_write = up->dl_write;  in serial8250_register_8250_port()
1086 		if (uart->port.type != PORT_8250_CIR) {  in serial8250_register_8250_port()
1088 				serial8250_isa_config(0, &uart->port,  in serial8250_register_8250_port()
1089 						&uart->capabilities);  in serial8250_register_8250_port()
1091 			serial8250_apply_quirks(uart);  in serial8250_register_8250_port()
1093 						&uart->port);  in serial8250_register_8250_port()
1097 			ret = uart->port.line;  in serial8250_register_8250_port()
1099 			dev_info(uart->port.dev,  in serial8250_register_8250_port()
1101 				uart->port.iobase,  in serial8250_register_8250_port()
1102 				(unsigned long long)uart->port.mapbase,  in serial8250_register_8250_port()
1103 				uart->port.irq);  in serial8250_register_8250_port()
1110 			uart->overrun_backoff_time_ms =  in serial8250_register_8250_port()
1112 			INIT_DELAYED_WORK(&uart->overrun_backoff,  in serial8250_register_8250_port()
1115 			uart->overrun_backoff_time_ms = 0;  in serial8250_register_8250_port()
1124 	uart->port.dev = NULL;  in serial8250_register_8250_port()
1139 	struct uart_8250_port *uart = &serial8250_ports[line];  in serial8250_unregister_port()  local
1143 	if (uart->em485) {  in serial8250_unregister_port()
1146 		spin_lock_irqsave(&uart->port.lock, flags);  in serial8250_unregister_port()
1147 		serial8250_em485_destroy(uart);  in serial8250_unregister_port()
1148 		spin_unlock_irqrestore(&uart->port.lock, flags);  in serial8250_unregister_port()
1151 	uart_remove_one_port(&serial8250_reg, &uart->port);  in serial8250_unregister_port()
1153 		uart->port.flags &= ~UPF_BOOT_AUTOCONF;  in serial8250_unregister_port()
1154 		uart->port.type = PORT_UNKNOWN;  in serial8250_unregister_port()
1155 		uart->port.dev = &serial8250_isa_devs->dev;  in serial8250_unregister_port()
1156 		uart->capabilities = 0;  in serial8250_unregister_port()
1157 		serial8250_apply_quirks(uart);  in serial8250_unregister_port()
1158 		uart_add_one_port(&serial8250_reg, &uart->port);  in serial8250_unregister_port()
1160 		uart->port.dev = NULL;  in serial8250_unregister_port()