iop_ism_irq
irqreturn_t iop_ism_irq(int, void *);
if (request_irq(IRQ_MAC_ADB, iop_ism_irq, 0,
if (request_irq(IRQ_VIA2_0, iop_ism_irq, 0, "ISM IOP",
iop_ism_irq(0, (void *)iop_num);