qdev: Clean up around properties

include:
1. remove unnecessary declaration of static function
2. fix inconsistency between comment and function name, and typo OOM->QOM
2. update comments of functions, use uniform format(GTK-Doc style)
Signed-off-by: NCao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: NMarkus Armbruster <armbru@redhat.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

hw/core/qdev.c

@@ -58,9 +58,6 @@ const char *qdev_fw_name(DeviceState *dev)
     return object_get_typename(OBJECT(dev));
 }
 
-static void qdev_property_add_legacy(DeviceState *dev, Property *prop,
-                                     Error **errp);
-
 static void bus_remove_child(BusState *bus, DeviceState *child)
 {
     BusChild *kid;
@@ -733,13 +730,20 @@ static void qdev_get_legacy_property(Object *obj, Visitor *v,
 }
 
 /**
- * @qdev_add_legacy_property - adds a legacy property
+ * qdev_property_add_legacy:
+ * @dev: Device to add the property to.
+ * @prop: The qdev property definition.
+ * @errp: location to store error information.
+ *
+ * Add a legacy QOM property to @dev for qdev property @prop.
+ * On error, store error in @errp.
  *
- * Do not use this is new code!  Properties added through this interface will
- * be given names and types in the "legacy" namespace.
+ * Legacy properties are string versions of QOM properties.  The format of
+ * the string depends on the property type.  Legacy properties are only
+ * needed for "info qtree".
  *
- * Legacy properties are string versions of other OOM properties.  The format
- * of the string depends on the property type.
+ * Do not use this is new code!  QOM Properties added through this interface
+ * will be given names in the "legacy" namespace.
  */
 static void qdev_property_add_legacy(DeviceState *dev, Property *prop,
                                      Error **errp)
@@ -762,10 +766,14 @@ static void qdev_property_add_legacy(DeviceState *dev, Property *prop,
 }
 
 /**
- * @qdev_property_add_static - add a @Property to a device.
+ * qdev_property_add_static:
+ * @dev: Device to add the property to.
+ * @prop: The qdev property definition.
+ * @errp: location to store error information.
  *
- * Static properties access data in a struct.  The actual type of the
- * property and the field depends on the property type.
+ * Add a static QOM property to @dev for qdev property @prop.
+ * On error, store error in @errp.  Static properties access data in a struct.
+ * The type of the QOM property is derived from prop->info.
  */
 void qdev_property_add_static(DeviceState *dev, Property *prop,
                               Error **errp)

include/hw/qdev-properties.h

@@ -197,8 +197,14 @@ void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
                                     Property *prop, const char *value);
 
 /**
- * @qdev_property_add_static - add a @Property to a device referencing a
- * field in a struct.
+ * qdev_property_add_static:
+ * @dev: Device to add the property to.
+ * @prop: The qdev property definition.
+ * @errp: location to store error information.
+ *
+ * Add a static QOM property to @dev for qdev property @prop.
+ * On error, store error in @errp.  Static properties access data in a struct.
+ * The type of the QOM property is derived from prop->info.
  */
 void qdev_property_add_static(DeviceState *dev, Property *prop, Error **errp);