checks: Warn on node-name and property name being the same

Treat a node-name and property name at the same level of tree as
a warning

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Message-Id: <20210210193912.799544-1-kumar.gala@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

checks.c

@@ -331,6 +331,20 @@ static void check_node_name_format(struct check *c, struct dt_info *dti,
 }
 ERROR(node_name_format, check_node_name_format, NULL, &node_name_chars);
 
+static void check_node_name_vs_property_name(struct check *c,
+					     struct dt_info *dti,
+					     struct node *node)
+{
+	if (!node->parent)
+		return;
+
+	if (get_property(node->parent, node->name)) {
+		FAIL(c, dti, node, "node name and property name conflict");
+	}
+}
+WARNING(node_name_vs_property_name, check_node_name_vs_property_name,
+	NULL, &node_name_chars);
+
 static void check_unit_address_vs_reg(struct check *c, struct dt_info *dti,
 				      struct node *node)
 {
@@ -1797,7 +1811,7 @@ WARNING(graph_endpoint, check_graph_endpoint, NULL, &graph_nodes);
 static struct check *check_table[] = {
 	&duplicate_node_names, &duplicate_property_names,
 	&node_name_chars, &node_name_format, &property_name_chars,
-	&name_is_string, &name_properties,
+	&name_is_string, &name_properties, &node_name_vs_property_name,
 
 	&duplicate_label,