1966 	iir = serial_port_in(port, UART_IIR);  in serial8250_default_handle_irq()
1982 	unsigned int iir = serial_port_in(port, UART_IIR);  in serial8250_tx_threshold_handle_irq()
1993 	iir = serial_port_in(port, UART_IIR);  in serial8250_tx_threshold_handle_irq()
2129 	lsr = serial_port_in(port, UART_LSR);  in serial8250_get_poll_char()
2136 	status = serial_port_in(port, UART_RX);  in serial8250_get_poll_char()
2153 	ier = serial_port_in(port, UART_IER);  in serial8250_put_poll_char()
2247 	serial_port_in(port, UART_LSR);  in serial8250_do_startup()
2248 	serial_port_in(port, UART_RX);  in serial8250_do_startup()
2249 	serial_port_in(port, UART_IIR);  in serial8250_do_startup()
2250 	serial_port_in(port, UART_MSR);  in serial8250_do_startup()
2258 	    (serial_port_in(port, UART_LSR) == 0xff)) {  in serial8250_do_startup()
2324 		iir1 = serial_port_in(port, UART_IIR);  in serial8250_do_startup()
2328 		iir = serial_port_in(port, UART_IIR);  in serial8250_do_startup()
2388 	lsr = serial_port_in(port, UART_LSR);  in serial8250_do_startup()
2389 	iir = serial_port_in(port, UART_IIR);  in serial8250_do_startup()
2409 	serial_port_in(port, UART_LSR);  in serial8250_do_startup()
2410 	serial_port_in(port, UART_RX);  in serial8250_do_startup()
2411 	serial_port_in(port, UART_IIR);  in serial8250_do_startup()
2412 	serial_port_in(port, UART_MSR);  in serial8250_do_startup()
2496 			serial_port_in(port, UART_LCR) & ~UART_LCR_SBC);  in serial8250_do_shutdown()
2510 	serial_port_in(port, UART_RX);  in serial8250_do_shutdown()
3393 	ier = serial_port_in(port, UART_IER);  in serial8250_console_write()
3401 	if (up->canary && (up->canary != serial_port_in(port, UART_SCR))) {  in serial8250_console_write()
3470 	lcr = serial_port_in(port, UART_LCR);  in probe_baud()
3472 	dll = serial_port_in(port, UART_DLL);  in probe_baud()
3473 	dlm = serial_port_in(port, UART_DLM);  in probe_baud()