hw/timer/sun4v-rtc: Use DeviceState::realize rather than SysBusDevice…

…::init

Move from the legacy SysBusDevice::init method to using DeviceState::realize.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20181002212522.23303-4-f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

hw/timer/sun4v-rtc.c

@@ -63,21 +63,21 @@ void sun4v_rtc_init(hwaddr addr)
     sysbus_mmio_map(s, 0, addr);
 }
 
-static int sun4v_rtc_init1(SysBusDevice *dev)
+static void sun4v_rtc_realize(DeviceState *dev, Error **errp)
 {
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
     Sun4vRtc *s = SUN4V_RTC(dev);
 
     memory_region_init_io(&s->iomem, OBJECT(s), &sun4v_rtc_ops, s,
                           "sun4v-rtc", 0x08ULL);
-    sysbus_init_mmio(dev, &s->iomem);
-    return 0;
+    sysbus_init_mmio(sbd, &s->iomem);
 }
 
 static void sun4v_rtc_class_init(ObjectClass *klass, void *data)
 {
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
 
-    k->init = sun4v_rtc_init1;
+    dc->realize = sun4v_rtc_realize;
 }
 
 static const TypeInfo sun4v_rtc_info = {