s->suspend_notifier.notify = rtc_notify_suspend;
qemu_register_suspend_notifier(&s->suspend_notifier);
- memory_region_init_io(&s->io, &cmos_ops, s, "rtc", 2);
+ memory_region_init_io(&s->io, NULL, &cmos_ops, s, "rtc", 2);
isa_register_ioport(isadev, &s->io, base);
qdev_set_legacy_instance_id(dev, base, 3);