hw/ppc: QOM'ify ppce500_spin.c

Drop the old SysBus init function and use instance_init

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

hw/ppc/ppce500_spin.c

@@ -54,9 +54,9 @@ typedef struct SpinState {
     SpinInfo spin[MAX_CPUS];
 } SpinState;
 
-static void spin_reset(void *opaque)
+static void spin_reset(DeviceState *dev)
 {
-    SpinState *s = opaque;
+    SpinState *s = E500_SPIN(dev);
     int i;
 
     for (i = 0; i < MAX_CPUS; i++) {
@@ -174,30 +174,28 @@ static const MemoryRegionOps spin_rw_ops = {
     .endianness = DEVICE_BIG_ENDIAN,
 };
 
-static int ppce500_spin_initfn(SysBusDevice *dev)
+static void ppce500_spin_initfn(Object *obj)
 {
+    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
     SpinState *s = E500_SPIN(dev);
 
-    memory_region_init_io(&s->iomem, OBJECT(s), &spin_rw_ops, s,
+    memory_region_init_io(&s->iomem, obj, &spin_rw_ops, s,
                           "e500 spin pv device", sizeof(SpinInfo) * MAX_CPUS);
     sysbus_init_mmio(dev, &s->iomem);
-
-    qemu_register_reset(spin_reset, s);
-
-    return 0;
 }
 
 static void ppce500_spin_class_init(ObjectClass *klass, void *data)
 {
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
 
-    k->init = ppce500_spin_initfn;
+    dc->reset = spin_reset;
 }
 
 static const TypeInfo ppce500_spin_info = {
     .name          = TYPE_E500_SPIN,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(SpinState),
+    .instance_init = ppce500_spin_initfn,
     .class_init    = ppce500_spin_class_init,
 };