static void virtio_rpmsg_release_device(struct device *dev)
{
	struct rpmsg_device *rpdev = to_rpmsg_device(dev);
	struct virtio_rpmsg_channel *vch = to_virtio_rpmsg_channel(rpdev);

	kfree(vch);
}
static void virtio_rpmsg_release_device(struct device *dev)
{
	struct rpmsg_device *rpdev = to_rpmsg_device(dev);
	struct virtio_rpmsg_channel *vch = to_virtio_rpmsg_channel(rpdev);

	kfree(vch);
}