tag	line	file	source code
LP_PINTEN	201	drivers/char/lp.c	outb_p((LP_PSELECP|LP_PINITP|LP_PINTEN), (LP_C(minor)));
LP_PINTEN	132	drivers/net/plip.c	#define PAR_INTR_ON    (LP_PINITP|LP_PSELECP|LP_PINTEN)