rpmsg_unregister_device
if (rpmsg_unregister_device(dev, &info->info)) {
rpmsg_unregister_device(glink->dev, &chinfo);
rpmsg_unregister_device(&edge->dev, &chinfo);
EXPORT_SYMBOL(rpmsg_unregister_device);
return rpmsg_unregister_device(&vrp->vdev->dev, chinfo);
int rpmsg_unregister_device(struct device *parent,