mace_interrupt
rc = request_irq(dev->irq, mace_interrupt, 0, "MACE", dev);
static irqreturn_t mace_interrupt(int irq, void *dev_id);
if (request_irq(dev->irq, mace_interrupt, 0, dev->name, dev)) {
static irqreturn_t mace_interrupt(int irq, void *dev_id);