ack_ioasic_irq     44 arch/mips/dec/ioasic-irq.c 	.irq_ack = ack_ioasic_irq,
ack_ioasic_irq     46 arch/mips/dec/ioasic-irq.c 	.irq_mask_ack = ack_ioasic_irq,