pirq_valid_irq
if (pirq->active_count != 0 && pirq_valid_irq(pirq->reg))
if (pirq->active_count != 0 && pirq_valid_irq(pirq->reg))
if (pirq->active_count == 1 && pirq_valid_irq(pirq->reg)) {
if (pirq->active_count == 0 && pirq_valid_irq(pirq->reg)) {