acpidev_dr_device_walk_child
rc = acpidev_dr_device_walk_child(hdl, B_TRUE, max_lvl,
rc = acpidev_dr_device_walk_child(hdl, B_TRUE, 1,
rc = acpidev_dr_device_walk_child(hdl, B_TRUE, 1,
rc = acpidev_dr_device_walk_child(hdl, B_TRUE, 1,
rc = acpidev_dr_device_walk_child(hdl, B_FALSE, 1,