tag	line	file	source code
SERIAL_TYPE_CALLOUT	306	drivers/char/cyclades.c	#define SERIAL_TYPE_CALLOUT 2
SERIAL_TYPE_CALLOUT	102	drivers/char/pcxx.c	#define SERIAL_TYPE_CALLOUT  2
SERIAL_TYPE_CALLOUT	69	drivers/char/pcxx.h	#define SERIAL_TYPE_CALLOUT  2
SERIAL_TYPE_CALLOUT	57	drivers/char/serial.c	#define SERIAL_TYPE_CALLOUT  2
SERIAL_TYPE_CALLOUT	90	drivers/sbus/char/sunserial.c	#define SERIAL_TYPE_CALLOUT  2