isa: Trivially convert remaining PCI-ISA bridges to realize()

These are "ICH9-LPC" and "ebus".

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: NMarkus Armbruster <armbru@pond.sub.org>
Reviewed-by: NMarcel Apfelbaum <marcel@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Message-Id: <1450370121-5768-10-git-send-email-armbru@redhat.com>

hw/isa/lpc_ich9.c

@@ -602,7 +602,7 @@ static void ich9_lpc_initfn(Object *obj)
     ich9_lpc_add_properties(lpc);
 }
 
-static int ich9_lpc_init(PCIDevice *d)
+static void ich9_lpc_realize(PCIDevice *d, Error **errp)
 {
     ICH9LPCState *lpc = ICH9_LPC_DEVICE(d);
     ISABus *isa_bus;
@@ -628,7 +628,6 @@ static int ich9_lpc_init(PCIDevice *d)
     memory_region_add_subregion_overlap(pci_address_space_io(d),
                                         ICH9_RST_CNT_IOPORT, &lpc->rst_cnt_mem,
                                         1);
-    return 0;
 }
 
 static void ich9_device_plug_cb(HotplugHandler *hotplug_dev,
@@ -706,7 +705,7 @@ static void ich9_lpc_class_init(ObjectClass *klass, void *data)
 
     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
     dc->reset = ich9_lpc_reset;
-    k->init = ich9_lpc_init;
+    k->realize = ich9_lpc_realize;
     dc->vmsd = &vmstate_ich9_lpc;
     dc->props = ich9_lpc_properties;
     k->config_write = ich9_lpc_config_write;

hw/sparc64/sun4u.c

@@ -600,8 +600,7 @@ pci_ebus_init(PCIBus *bus, int devfn, qemu_irq *irqs)
     return isa_bus;
 }
 
-static int
-pci_ebus_init1(PCIDevice *pci_dev)
+static void pci_ebus_realize(PCIDevice *pci_dev, Error **errp)
 {
     EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev);
 
@@ -621,14 +620,13 @@ pci_ebus_init1(PCIDevice *pci_dev)
     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
                              0, 0x4000);
     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
-    return 0;
 }
 
 static void ebus_class_init(ObjectClass *klass, void *data)
 {
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
-    k->init = pci_ebus_init1;
+    k->realize = pci_ebus_realize;
     k->vendor_id = PCI_VENDOR_ID_SUN;
     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
     k->revision = 0x01;