tag	line	file	source code
TTY_DRIVER_TYPE_SERIAL	2719	drivers/char/cyclades.c	cy_serial_driver.type = TTY_DRIVER_TYPE_SERIAL;
TTY_DRIVER_TYPE_SERIAL	2179	drivers/char/scc.c	scc_driver.type = TTY_DRIVER_TYPE_SERIAL;
TTY_DRIVER_TYPE_SERIAL	2604	drivers/char/serial.c	serial_driver.type = TTY_DRIVER_TYPE_SERIAL;