dasd_ext_handler  668 drivers/s390/block/dasd_diag.c 	register_external_irq(EXT_IRQ_CP_SERVICE, dasd_ext_handler);
dasd_ext_handler  676 drivers/s390/block/dasd_diag.c 	unregister_external_irq(EXT_IRQ_CP_SERVICE, dasd_ext_handler);