milkymist-hpdmc: Convert sysbus init function to realize function

Use DeviceClass rather than SysBusDeviceClass in
milkymist_hpdmc_class_init().

Cc: gxt@mprc.pku.edu.cn
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: 20181130093852.20739-12-maozhongyi@cmss.chinamobile.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 3 insertions, 6 deletions

diff --git a/hw/misc/milkymist-hpdmc.c b/hw/misc/milkymist-hpdmc.c
index e6140eec6b..44dc0698ec 100644
--- a/hw/misc/milkymist-hpdmc.c
+++ b/hw/misc/milkymist-hpdmc.c
@@ -129,15 +129,13 @@ static void milkymist_hpdmc_reset(DeviceState *d)
                          | IODELAY_PLL2_LOCKED;
 }
 
-static int milkymist_hpdmc_init(SysBusDevice *dev)
+static void milkymist_hpdmc_realize(DeviceState *dev, Error **errp)
 {
     MilkymistHpdmcState *s = MILKYMIST_HPDMC(dev);
 
     memory_region_init_io(&s->regs_region, OBJECT(dev), &hpdmc_mmio_ops, s,
             "milkymist-hpdmc", R_MAX * 4);
-    sysbus_init_mmio(dev, &s->regs_region);
-
-    return 0;
+    sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->regs_region);
 }
 
 static const VMStateDescription vmstate_milkymist_hpdmc = {
@@ -153,9 +151,8 @@ static const VMStateDescription vmstate_milkymist_hpdmc = {
 static void milkymist_hpdmc_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 
-    k->init = milkymist_hpdmc_init;
+    dc->realize = milkymist_hpdmc_realize;
     dc->reset = milkymist_hpdmc_reset;
     dc->vmsd = &vmstate_milkymist_hpdmc;
 }