OF_POPULATED_BUS
if (of_node_check_flag(layout_dn, OF_POPULATED_BUS)) {
of_node_set_flag(layout_dn, OF_POPULATED_BUS);
of_node_clear_flag(dev->of_node, OF_POPULATED_BUS);
if (of_node_check_flag(bus, OF_POPULATED_BUS)) {
of_node_set_flag(bus, OF_POPULATED_BUS);
of_node_set_flag(root, OF_POPULATED_BUS);
if (of_node_check_flag(dev->of_node, OF_POPULATED_BUS))
of_node_clear_flag(dev->of_node, OF_POPULATED_BUS);
if (parent->of_node && of_node_check_flag(parent->of_node, OF_POPULATED_BUS)) {
of_node_clear_flag(parent->of_node, OF_POPULATED_BUS);
!of_node_check_flag(parent, OF_POPULATED_BUS))
tbuf[3] = of_node_check_flag(dn, OF_POPULATED_BUS) ? 'B' : '-';