tag	line	file	source code
serial_echo_port	204	drivers/char/console.c	static int serial_echo_port = 0;
serial_echo_port	206	drivers/char/console.c	#define serial_echo_outb(v,a) outb((v),(a)+serial_echo_port)
serial_echo_port	207	drivers/char/console.c	#define serial_echo_inb(a)    inb((a)+serial_echo_port)
serial_echo_port	227	drivers/char/console.c	if (!serial_echo_port) return (0);
serial_echo_port	270	drivers/char/console.c	serial_echo_port = 0;
serial_echo_port	273	drivers/char/console.c	serial_echo_port = base;