const MemoryRegionOps *mem_ops =
s->mode_16bit ? &lan9118_16bit_mem_ops : &lan9118_mem_ops;
- memory_region_init_io(&s->mmio, mem_ops, s, "lan9118-mmio", 0x100);
+ memory_region_init_io(&s->mmio, NULL, mem_ops, s, "lan9118-mmio", 0x100);
sysbus_init_mmio(dev, &s->mmio);
sysbus_init_irq(dev, &s->irq);
qemu_macaddr_default_if_unset(&s->conf.macaddr);