tag	line	file	source code
DDIOCSDBG	2961	drivers/block/sbpcd.c	case DDIOCSDBG:    /* DDI Debug */
DDIOCSDBG	2587	drivers/char/tpqic02.c	#ifdef DDIOCSDBG
DDIOCSDBG	2589	drivers/char/tpqic02.c	if (c == DDIOCSDBG) {