tag	line	file	source code
ENOTTY	1421	drivers/char/tpqic02.c	return -ENOTTY;
ENOTTY	2469	drivers/char/tpqic02.c	return -ENOTTY;  /* Other cmds not supported. */
ENOTTY	561	drivers/char/tty_ioctl.c	return -ENOTTY;