static struct device *wakeup_source_device_create(struct device *parent,
						  struct wakeup_source *ws)
{
	struct device *dev = NULL;
	int retval = -ENODEV;

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev) {
		retval = -ENOMEM;
		goto error;
	}

	device_initialize(dev);
	dev->devt = MKDEV(0, 0);
	dev->class = wakeup_class;
	dev->parent = parent;
	dev->groups = wakeup_source_groups;
	dev->release = device_create_release;
	dev_set_drvdata(dev, ws);
	device_set_pm_not_required(dev);

	retval = kobject_set_name(&dev->kobj, "wakeup%d", ws->id);
	if (retval)
		goto error;

	retval = device_add(dev);
	if (retval)
		goto error;

	return dev;

error:
	put_device(dev);
	return ERR_PTR(retval);
}
static struct device *wakeup_source_device_create(struct device *parent,
						  struct wakeup_source *ws)
{
	struct device *dev = NULL;
	int retval = -ENODEV;

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev) {
		retval = -ENOMEM;
		goto error;
	}

	device_initialize(dev);
	dev->devt = MKDEV(0, 0);
	dev->class = wakeup_class;
	dev->parent = parent;
	dev->groups = wakeup_source_groups;
	dev->release = device_create_release;
	dev_set_drvdata(dev, ws);
	device_set_pm_not_required(dev);

	retval = kobject_set_name(&dev->kobj, "wakeup%d", ws->id);
	if (retval)
		goto error;

	retval = device_add(dev);
	if (retval)
		goto error;

	return dev;

error:
	put_device(dev);
	return ERR_PTR(retval);
}