return IRQ_HANDLED;
 }
 
-static int __maybe_unused pmic8xxx_pwrkey_suspend(struct device *dev)
+static int pmic8xxx_pwrkey_suspend(struct device *dev)
 {
        struct pmic8xxx_pwrkey *pwrkey = dev_get_drvdata(dev);
 
        return 0;
 }
 
-static int __maybe_unused pmic8xxx_pwrkey_resume(struct device *dev)
+static int pmic8xxx_pwrkey_resume(struct device *dev)
 {
        struct pmic8xxx_pwrkey *pwrkey = dev_get_drvdata(dev);
 
        return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(pm8xxx_pwr_key_pm_ops,
+static DEFINE_SIMPLE_DEV_PM_OPS(pm8xxx_pwr_key_pm_ops,
                pmic8xxx_pwrkey_suspend, pmic8xxx_pwrkey_resume);
 
 static void pmic8xxx_pwrkey_shutdown(struct platform_device *pdev)
        .shutdown       = pmic8xxx_pwrkey_shutdown,
        .driver         = {
                .name   = "pm8xxx-pwrkey",
-               .pm     = &pm8xxx_pwr_key_pm_ops,
+               .pm     = pm_sleep_ptr(&pm8xxx_pwr_key_pm_ops),
                .of_match_table = pm8xxx_pwr_key_id_table,
        },
 };