277 	return serial_in(up, UART_DLL) | serial_in(up, UART_DLM) << 8;  in default_serial_dl_read()
419 		p->serial_in = hub6_serial_in;  in set_io_from_upio()
424 		p->serial_in = mem_serial_in;  in set_io_from_upio()
429 		p->serial_in = mem32_serial_in;  in set_io_from_upio()
434 		p->serial_in = mem32be_serial_in;  in set_io_from_upio()
440 		p->serial_in = au_serial_in;  in set_io_from_upio()
448 		p->serial_in = io_serial_in;  in set_io_from_upio()
466 		p->serial_in(p, UART_LCR);	/* safe, no side-effects */  in serial_port_out_sync()
488 	value = serial_in(up, UART_ICR);  in serial_icr_read()
587 			lcr = serial_in(p, UART_LCR);  in serial8250_set_sleep()
588 			efr = serial_in(p, UART_EFR);  in serial8250_set_sleep()
614 	mode = serial_in(up, UART_RSA_MSR);  in __enable_rsa()
619 		mode = serial_in(up, UART_RSA_MSR);  in __enable_rsa()
657 		mode = serial_in(up, UART_RSA_MSR);  in disable_rsa()
662 			mode = serial_in(up, UART_RSA_MSR);  in disable_rsa()
683 	old_lcr = serial_in(up, UART_LCR);  in size_fifo()
685 	old_fcr = serial_in(up, UART_FCR);  in size_fifo()
686 	old_mcr = serial_in(up, UART_MCR);  in size_fifo()
697 	for (count = 0; (serial_in(up, UART_LSR) & UART_LSR_DR) &&  in size_fifo()
699 		serial_in(up, UART_RX);  in size_fifo()
719 	old_lcr = serial_in(p, UART_LCR);  in autoconfig_read_divisor_id()
835 	scratch = serial_in(up, UART_SCR);  in autoconfig_8250()
837 	status1 = serial_in(up, UART_SCR);  in autoconfig_8250()
839 	status2 = serial_in(up, UART_SCR);  in autoconfig_8250()
882 		status1 = serial_in(up, UART_EXAR_DVID);  in autoconfig_16550a()
899 	if (serial_in(up, UART_EFR) == 0) {  in autoconfig_16550a()
901 		if (serial_in(up, UART_EFR) != 0) {  in autoconfig_16550a()
909 			status1 = serial_in(up, UART_IIR) >> 5;  in autoconfig_16550a()
927 	if (serial_in(up, UART_EFR) == 0 && !broken_efr(up)) {  in autoconfig_16550a()
941 	status1 = serial_in(up, UART_MCR);  in autoconfig_16550a()
943 	status2 = serial_in(up, 0x02); /* EXCR1 */  in autoconfig_16550a()
949 		status2 = serial_in(up, 0x02); /* EXCR1 */  in autoconfig_16550a()
981 	status1 = serial_in(up, UART_IIR) >> 5;  in autoconfig_16550a()
985 	status2 = serial_in(up, UART_IIR) >> 5;  in autoconfig_16550a()
1005 	iersave = serial_in(up, UART_IER);  in autoconfig_16550a()
1007 	if (!(serial_in(up, UART_IER) & UART_IER_UUE)) {  in autoconfig_16550a()
1013 		if (serial_in(up, UART_IER) & UART_IER_UUE) {  in autoconfig_16550a()
1098 		scratch = serial_in(up, UART_IER);  in autoconfig()
1107 		scratch2 = serial_in(up, UART_IER) & 0x0f;  in autoconfig()
1112 		scratch3 = serial_in(up, UART_IER) & 0x0f;  in autoconfig()
1125 	save_mcr = serial_in(up, UART_MCR);  in autoconfig()
1126 	save_lcr = serial_in(up, UART_LCR);  in autoconfig()
1139 		status1 = serial_in(up, UART_MSR) & 0xF0;  in autoconfig()
1163 	scratch = serial_in(up, UART_IIR) >> 6;  in autoconfig()
1208 	serial_in(up, UART_RX);  in autoconfig()
1248 	save_mcr = serial_in(up, UART_MCR);  in autoconfig_irq()
1249 	save_ier = serial_in(up, UART_IER);  in autoconfig_irq()
1263 	serial_in(up, UART_LSR);  in autoconfig_irq()
1264 	serial_in(up, UART_RX);  in autoconfig_irq()
1265 	serial_in(up, UART_IIR);  in autoconfig_irq()
1266 	serial_in(up, UART_MSR);  in autoconfig_irq()
1324 			lsr = serial_in(up, UART_LSR);  in serial8250_start_tx()
1406 			ch = serial_in(up, UART_RX);  in serial8250_rx_chars()
1461 		lsr = serial_in(up, UART_LSR);  in serial8250_rx_chars()
1524 	unsigned int status = serial_in(up, UART_MSR);  in serial8250_modem_status()
1717 		status = serial_in(up, UART_LSR);  in wait_for_xmitr()
1732 			unsigned int msr = serial_in(up, UART_MSR);  in wait_for_xmitr()
1892 		fctr = serial_in(up, UART_FCTR) & ~(UART_FCTR_RX|UART_FCTR_TX);  in serial8250_do_startup()