IOASIC_INTR_ISDN_RXLOAD
IOASIC_INTR_ISDN_TXLOAD | IOASIC_INTR_ISDN_RXLOAD, },
IOASIC_INTR_ISDN_RXLOAD | IOASIC_INTR_ISDN_OVRUN, 1);
if (mask & IOASIC_INTR_ISDN_RXLOAD) {