466 		p->serial_in = hub6_serial_in;  in set_io_from_upio()
471 		p->serial_in = mem_serial_in;  in set_io_from_upio()
477 		p->serial_in = mem32_serial_in;  in set_io_from_upio()
482 		p->serial_in = au_serial_in;  in set_io_from_upio()
487 		p->serial_in = io_serial_in;  in set_io_from_upio()
504 		p->serial_in(p, UART_LCR);	/* safe, no side-effects */  in serial_port_out_sync()
514 	return serial_in(up, UART_DLL) | serial_in(up, UART_DLM) << 8;  in _serial_dl_read()
579 	value = serial_in(up, UART_ICR);  in serial_icr_read()
630 	mode = serial_in(up, UART_RSA_MSR);  in __enable_rsa()
635 		mode = serial_in(up, UART_RSA_MSR);  in __enable_rsa()
673 		mode = serial_in(up, UART_RSA_MSR);  in disable_rsa()
678 			mode = serial_in(up, UART_RSA_MSR);  in disable_rsa()
699 	old_lcr = serial_in(up, UART_LCR);  in size_fifo()
701 	old_fcr = serial_in(up, UART_FCR);  in size_fifo()
702 	old_mcr = serial_in(up, UART_MCR);  in size_fifo()
713 	for (count = 0; (serial_in(up, UART_LSR) & UART_LSR_DR) &&  in size_fifo()
715 		serial_in(up, UART_RX);  in size_fifo()
735 	old_lcr = serial_in(p, UART_LCR);  in autoconfig_read_divisor_id()
738 	old_dll = serial_in(p, UART_DLL);  in autoconfig_read_divisor_id()
739 	old_dlm = serial_in(p, UART_DLM);  in autoconfig_read_divisor_id()
744 	id = serial_in(p, UART_DLL) | serial_in(p, UART_DLM) << 8;  in autoconfig_read_divisor_id()
857 	scratch = serial_in(up, UART_SCR);  in autoconfig_8250()
859 	status1 = serial_in(up, UART_SCR);  in autoconfig_8250()
861 	status2 = serial_in(up, UART_SCR);  in autoconfig_8250()
885 	status = serial_in(up, 0x04); /* EXCR2 */  in ns16550a_goto_highspeed()
917 	if (serial_in(up, UART_EFR) == 0) {  in autoconfig_16550a()
919 		if (serial_in(up, UART_EFR) != 0) {  in autoconfig_16550a()
935 	if (serial_in(up, UART_EFR) == 0 && !broken_efr(up)) {  in autoconfig_16550a()
949 	status1 = serial_in(up, UART_MCR);  in autoconfig_16550a()
951 	status2 = serial_in(up, 0x02); /* EXCR1 */  in autoconfig_16550a()
957 		status2 = serial_in(up, 0x02); /* EXCR1 */  in autoconfig_16550a()
989 	status1 = serial_in(up, UART_IIR) >> 5;  in autoconfig_16550a()
993 	status2 = serial_in(up, UART_IIR) >> 5;  in autoconfig_16550a()
1013 	iersave = serial_in(up, UART_IER);  in autoconfig_16550a()
1015 	if (!(serial_in(up, UART_IER) & UART_IER_UUE)) {  in autoconfig_16550a()
1021 		if (serial_in(up, UART_IER) & UART_IER_UUE) {  in autoconfig_16550a()
1101 		scratch = serial_in(up, UART_IER);  in autoconfig()
1110 		scratch2 = serial_in(up, UART_IER) & 0x0f;  in autoconfig()
1115 		scratch3 = serial_in(up, UART_IER) & 0x0f;  in autoconfig()
1127 	save_mcr = serial_in(up, UART_MCR);  in autoconfig()
1128 	save_lcr = serial_in(up, UART_LCR);  in autoconfig()
1141 		status1 = serial_in(up, UART_MSR) & 0xF0;  in autoconfig()
1164 	scratch = serial_in(up, UART_IIR) >> 6;  in autoconfig()
1224 	serial_in(up, UART_RX);  in autoconfig()
1253 	save_mcr = serial_in(up, UART_MCR);  in autoconfig_irq()
1254 	save_ier = serial_in(up, UART_IER);  in autoconfig_irq()
1268 	serial_in(up, UART_LSR);  in autoconfig_irq()
1269 	serial_in(up, UART_RX);  in autoconfig_irq()
1270 	serial_in(up, UART_IIR);  in autoconfig_irq()
1271 	serial_in(up, UART_MSR);  in autoconfig_irq()
1320 			lsr = serial_in(up, UART_LSR);  in serial8250_start_tx()
1371 		status = serial_in(up, UART_LSR);  in clear_rx_fifo()
1373 			status = serial_in(up, UART_RX);  in clear_rx_fifo()
1398 			ch = serial_in(up, UART_RX);  in serial8250_rx_chars()
1463 		lsr = serial_in(up, UART_LSR);  in serial8250_rx_chars()
1520 	unsigned int status = serial_in(up, UART_MSR);  in serial8250_modem_status()
1764 		ier = serial_in(up, UART_IER);  in serial8250_backup_timeout()
1768 	iir = serial_in(up, UART_IIR);  in serial8250_backup_timeout()
1776 	lsr = serial_in(up, UART_LSR);  in serial8250_backup_timeout()
1880 		status = serial_in(up, UART_LSR);  in wait_for_xmitr()
1895 			unsigned int msr = serial_in(up, UART_MSR);  in wait_for_xmitr()
2030 		fctr = serial_in(up, UART_FCTR) & ~(UART_FCTR_RX|UART_FCTR_TX);  in serial8250_startup()
2995 	if (port->serial_in)  in early_serial_setup()
2996 		p->serial_in = port->serial_in;  in early_serial_setup()
3070 		port.serial_in		= p->serial_in;  in serial8250_probe()
3234 		if (port->serial_in)  in serial8250_register_port()
3235 			uart->port.serial_in = port->serial_in;  in serial8250_register_port()