Make the SysBusDeviceClass::init optional, for devices which
genuinely don't need to do anything here. In particular, simple
devices which can do all their initialization in their
instance_init method don't need either a DeviceClass::realize
or SysBusDeviceClass::init method.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
hw/sysbus.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/sysbus.c b/hw/sysbus.c
index 6d9d1df..e9a16ac 100644
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -118,6 +118,9 @@ static int sysbus_device_init(DeviceState *dev)
SysBusDevice *sd = SYS_BUS_DEVICE(dev);
SysBusDeviceClass *sbc = SYS_BUS_DEVICE_GET_CLASS(sd);
+ if (!sbc->init) {
+ return 0;
+ }
return sbc->init(sd);
}
--
1.7.9.5
