1018 	device_t cf_dev, cpu_dev;  in cpufreq_register()  local
1031 	if ((cf_dev = device_find_child(cpu_dev, "cpufreq", -1))) {  in cpufreq_register()
1032 		sc = device_get_softc(cf_dev);  in cpufreq_register()
1038 	cf_dev = BUS_ADD_CHILD(cpu_dev, 0, "cpufreq", -1);  in cpufreq_register()
1039 	if (cf_dev == NULL)  in cpufreq_register()
1041 	device_quiet(cf_dev);  in cpufreq_register()
1043 	return (device_probe_and_attach(cf_dev));  in cpufreq_register()
1049 	device_t cf_dev, *devs;  in cpufreq_unregister()  local
1060 	cf_dev = device_find_child(device_get_parent(dev), "cpufreq", -1);  in cpufreq_unregister()
1061 	if (cf_dev == NULL) {  in cpufreq_unregister()
1075 		device_delete_child(device_get_parent(cf_dev), cf_dev);  in cpufreq_unregister()