tag	line	file	source code
UART_RX	292	drivers/char/console.c	comstat = serial_echo_inb(UART_RX);  /* COM? RBR */
UART_RX	398	drivers/char/serial.c	ch = serial_inp(info, UART_RX);
UART_RX	1000	drivers/char/serial.c	(void) serial_inp(info, UART_RX);
UART_RX	1040	drivers/char/serial.c	(void)serial_inp(info, UART_RX);
UART_RX	1148	drivers/char/serial.c	(void)serial_in(info, UART_RX);    /* read data port to reset things */
UART_RX	2499	drivers/char/serial.c	(void)serial_inp(info, UART_RX);
UART_RX	2681	drivers/char/serial.c	(void)serial_in(info, UART_RX);