tag	line	file	source code
UART_RX	337	drivers/char/serial.c	ch = serial_inp(info, UART_RX);
UART_RX	744	drivers/char/serial.c	(void)serial_inp(info, UART_RX);
UART_RX	790	drivers/char/serial.c	(void)serial_inp(info, UART_RX);
UART_RX	830	drivers/char/serial.c	(void)serial_in(info, UART_RX);    /* read data port to reset things */
UART_RX	1722	drivers/char/serial.c	(void)serial_inp(info, UART_RX);