return __pnp_bus_suspend(dev, PMSG_FREEZE);
 }
 
+static int pnp_bus_poweroff(struct device *dev)
+{
+       return __pnp_bus_suspend(dev, PMSG_HIBERNATE);
+}
+
 static int pnp_bus_resume(struct device *dev)
 {
        struct pnp_dev *pnp_dev = to_pnp_dev(dev);
 }
 
 static const struct dev_pm_ops pnp_bus_dev_pm_ops = {
+       /* Suspend callbacks */
        .suspend = pnp_bus_suspend,
-       .freeze = pnp_bus_freeze,
        .resume = pnp_bus_resume,
+       /* Hibernate callbacks */
+       .freeze = pnp_bus_freeze,
+       .thaw = pnp_bus_resume,
+       .poweroff = pnp_bus_poweroff,
+       .restore = pnp_bus_resume,
 };
 
 struct bus_type pnp_bus_type = {