tag	line	file	source code
serial_echo_port	187	drivers/char/console.c	static int serial_echo_port = 0;
serial_echo_port	189	drivers/char/console.c	#define serial_echo_outb(v,a) outb((v),(a)+serial_echo_port)
serial_echo_port	190	drivers/char/console.c	#define serial_echo_inb(a)    inb((a)+serial_echo_port)
serial_echo_port	210	drivers/char/console.c	if (!serial_echo_port) return (0);
serial_echo_port	253	drivers/char/console.c	serial_echo_port = 0;
serial_echo_port	256	drivers/char/console.c	serial_echo_port = base;