ibmebus_request_irq
int ibmebus_request_irq(u32 ist, irq_handler_t handler,
EXPORT_SYMBOL(ibmebus_request_irq);
ret = ibmebus_request_irq(port->qp_eq->attr.ist1,
ret = ibmebus_request_irq(pr->eq->attr.ist1,
ret = ibmebus_request_irq(adapter->neq->attr.ist1,