milkymist-pfpu: Convert sysbus init function to realize function

Use DeviceClass rather than SysBusDeviceClass in
milkymist_pfpu_class_init().

Cc: michael@walle.cc
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181130093852.20739-13-maozhongyi@cmss.chinamobile.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/hw/misc/milkymist-pfpu.c b/hw/misc/milkymist-pfpu.c
index 86f5e383b0f4d80965e5a49e2de74a3ec14ceb1e..4a03c7ee63758943d45cc693f921ea2ced5260dc 100644 (file)
--- a/hw/misc/milkymist-pfpu.c
+++ b/hw/misc/milkymist-pfpu.c
@@ -497,17 +497,16 @@ static void milkymist_pfpu_reset(DeviceState *d)
     }
 }
 
-static int milkymist_pfpu_init(SysBusDevice *dev)
+static void milkymist_pfpu_realize(DeviceState *dev, Error **errp)
 {
     MilkymistPFPUState *s = MILKYMIST_PFPU(dev);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
 
-    sysbus_init_irq(dev, &s->irq);
+    sysbus_init_irq(sbd, &s->irq);
 
     memory_region_init_io(&s->regs_region, OBJECT(dev), &pfpu_mmio_ops, s,
             "milkymist-pfpu", MICROCODE_END * 4);
-    sysbus_init_mmio(dev, &s->regs_region);
-
-    return 0;
+    sysbus_init_mmio(sbd, &s->regs_region);
 }
 
 static const VMStateDescription vmstate_milkymist_pfpu = {
@@ -527,9 +526,8 @@ static const VMStateDescription vmstate_milkymist_pfpu = {
 static void milkymist_pfpu_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 
-    k->init = milkymist_pfpu_init;
+    dc->realize = milkymist_pfpu_realize;
     dc->reset = milkymist_pfpu_reset;
     dc->vmsd = &vmstate_milkymist_pfpu;
 }