tag	line	file	source code
ISP16_IRQ_X	202	drivers/cdrom/optcd_isp16.h	case 0: irq_code = ISP16_IRQ_X; break; /* disable irq */
ISP16_IRQ_X	1771	drivers/cdrom/sjcd.c	case 0: irq_code = ISP16_IRQ_X; break; /* disable irq */