[Qemu-devel] [PATCH RFC 07/15] timer/arm_mptimer: Convert to QOM realize

["Andreas Färber" <afaerber@suse.de>]

From: Andreas Färber <andreas.faerber@web.de>

Split the SysBusDevice initfn into instance_init and realizefn.

Signed-off-by: Andreas Färber <andreas.faerber@web.de>
---
 hw/timer/arm_mptimer.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/hw/timer/arm_mptimer.c b/hw/timer/arm_mptimer.c
index 588e34b..a19ffa3 100644
--- a/hw/timer/arm_mptimer.c
+++ b/hw/timer/arm_mptimer.c
@@ -226,8 +226,18 @@ static void arm_mptimer_reset(DeviceState *dev)
     }
 }
 
-static int arm_mptimer_init(SysBusDevice *dev)
+static void arm_mptimer_init(Object *obj)
 {
+    ARMMPTimerState *s = ARM_MP_TIMER(obj);
+
+    memory_region_init_io(&s->iomem, &arm_thistimer_ops, s,
+                          "arm_mptimer_timer", 0x20);
+    sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->iomem);
+}
+
+static void arm_mptimer_realize(DeviceState *dev, Error **errp)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
     ARMMPTimerState *s = ARM_MP_TIMER(dev);
     int i;
 
@@ -244,19 +254,14 @@ static int arm_mptimer_init(SysBusDevice *dev)
      *  * timer for core 1
      * and so on.
      */
-    memory_region_init_io(&s->iomem, &arm_thistimer_ops, s,
-                          "arm_mptimer_timer", 0x20);
-    sysbus_init_mmio(dev, &s->iomem);
     for (i = 0; i < s->num_cpu; i++) {
         TimerBlock *tb = &s->timerblock[i];
         tb->timer = qemu_new_timer_ns(vm_clock, timerblock_tick, tb);
-        sysbus_init_irq(dev, &tb->irq);
+        sysbus_init_irq(sbd, &tb->irq);
         memory_region_init_io(&tb->iomem, &timerblock_ops, tb,
                               "arm_mptimer_timerblock", 0x20);
-        sysbus_init_mmio(dev, &tb->iomem);
+        sysbus_init_mmio(sbd, &tb->iomem);
     }
-
-    return 0;
 }
 
 static const VMStateDescription vmstate_timerblock = {
@@ -293,9 +298,8 @@ static Property arm_mptimer_properties[] = {
 static void arm_mptimer_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *sbc = SYS_BUS_DEVICE_CLASS(klass);
 
-    sbc->init = arm_mptimer_init;
+    dc->realize = arm_mptimer_realize;
     dc->vmsd = &vmstate_arm_mptimer;
     dc->reset = arm_mptimer_reset;
     dc->no_user = 1;
@@ -306,6 +310,7 @@ static const TypeInfo arm_mptimer_info = {
     .name          = TYPE_ARM_MP_TIMER,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(ARMMPTimerState),
+    .instance_init = arm_mptimer_init,
     .class_init    = arm_mptimer_class_init,
 };
 
-- 
1.8.1.4