diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 3d74f237f005..f6491bcfe5a6 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -856,15 +856,15 @@ static int sysc_map_and_check_registers(struct sysc *ddata)
 	struct device_node *np = ddata->dev->of_node;
 	int error;
 
-	if (!of_get_property(np, "reg", NULL))
-		return 0;
-
 	error = sysc_parse_and_check_child_range(ddata);
 	if (error)
 		return error;
 
 	sysc_check_children(ddata);
 
+	if (!of_get_property(np, "reg", NULL))
+		return 0;
+
 	error = sysc_parse_registers(ddata);
 	if (error)
 		return error;