Revert "ODROID-N1: rk3399-restart: Register with kernel restart handler"

This reverts commit e7abf32.

drivers/power/reset/rk3399-restart.c

@@ -28,11 +28,10 @@ struct rk3399_restart {
 };
 struct rk3399_restart *rk3399_restart;
 
-static int rk3399_reboot(struct notifier_block *nb, unsigned long action,
-			  void *data)
+static void rk3399_reboot(enum reboot_mode reboot_mode, const char *cmd)
 {
 	if (IS_ERR(rk3399_restart->reset_gpio)) {
-		return NOTIFY_DONE;
+		return;
 	}
 	/* drive it active, also inactive->active edge */
 	gpiod_direction_output(rk3399_restart->reset_gpio, 1);
@@ -50,14 +49,9 @@ static int rk3399_reboot(struct notifier_block *nb, unsigned long action,
 
 	WARN_ON(1);
 
-	return NOTIFY_DONE;
+	return;
 }
 
-static struct notifier_block rk3399_reboot_nb = {
-	.notifier_call = rk3399_reboot,
-	.priority = 129,
-};
-
 static int rk3399_restart_probe(struct platform_device *pdev)
 {
 	bool open_source = false;
@@ -89,7 +83,7 @@ static int rk3399_restart_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, rk3399_restart);
 
-	register_restart_handler(&rk3399_reboot_nb);
+	arm_pm_restart = rk3399_reboot;
 
 	system_rev = 0x0301;