.alarm_irq_enable = wm8350_rtc_alarm_irq_enable,
 };
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int wm8350_rtc_suspend(struct device *dev)
 {
        struct platform_device *pdev = to_platform_device(dev);
 
        return 0;
 }
-
-#else
-#define wm8350_rtc_suspend NULL
-#define wm8350_rtc_resume NULL
 #endif
 
 static int wm8350_rtc_probe(struct platform_device *pdev)
        return 0;
 }
 
-static struct dev_pm_ops wm8350_rtc_pm_ops = {
-       .suspend = wm8350_rtc_suspend,
-       .resume = wm8350_rtc_resume,
-};
+static SIMPLE_DEV_PM_OPS(wm8350_rtc_pm_ops, wm8350_rtc_suspend,
+                       wm8350_rtc_resume);
 
 static struct platform_driver wm8350_rtc_driver = {
        .probe = wm8350_rtc_probe,