- ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
- s5m_rtc_alarm_irq, 0, "rtc-alarm0",
- info);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
- info->irq, ret);
- return ret;
+ if (!info->irq) {
+ clear_bit(RTC_FEATURE_ALARM, info->rtc_dev->features);
+ } else {
+ ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
+ s5m_rtc_alarm_irq, 0, "rtc-alarm0",
+ info);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
+ info->irq, ret);
+ return ret;
+ }
+ device_init_wakeup(&pdev->dev, 1);