CPUClass *cc = CPU_CLASS(scc);
DeviceClass *dc = DEVICE_CLASS(oc);
- scc->parent_realize = dc->realize;
- dc->realize = s390_cpu_realizefn;
+ device_class_set_parent_realize(dc, s390_cpu_realizefn,
+ &scc->parent_realize);
dc->props = s390x_cpu_properties;
dc->user_creatable = true;