cdns->wakeup_irq = platform_get_irq_byname_optional(pdev, "wakeup");
if (cdns->wakeup_irq == -EPROBE_DEFER)
return cdns->wakeup_irq;
- else if (cdns->wakeup_irq == 0)
- return -EINVAL;
if (cdns->wakeup_irq < 0) {
dev_dbg(dev, "couldn't get wakeup irq\n");