Function rpmsg_unregister_callback

drivers/rpmsg/rpmsg.c:309–353

}

void rpmsg_unregister_callback(FAR void *priv,
                               rpmsg_dev_cb_t device_created,
                               rpmsg_dev_cb_t device_destroy,
                               rpmsg_match_cb_t ns_match,
                               rpmsg_bind_cb_t ns_bind)
{
  FAR struct metal_list *node;
  FAR struct metal_list *pnode;

  down_write(&g_rpmsg_lock);
  metal_list_for_each(&g_rpmsg_cb, node)
    {
      FAR struct rpmsg_cb_s *cb =
        metal_container_of(node, struct rpmsg_cb_s, node);

      if (cb->priv == priv &&
          cb->device_created == device_created &&
          cb->device_destroy == device_destroy &&
          cb->ns_match == ns_match &&
          cb->ns_bind == ns_bind)
        {
          metal_list_del(&cb->node);
          kmm_free(cb);
          break;
        }
    }

  downgrade_write(&g_rpmsg_lock);
  if (device_destroy)
    {
      metal_list_for_each(&g_rpmsg, pnode)
        {
          FAR struct rpmsg_s *rpmsg =
            metal_container_of(pnode, struct rpmsg_s, node);
          FAR struct rpmsg_device *rdev = rpmsg_get_rdev_by_rpmsg(rpmsg);

          if (rpmsg->init)
            {
              device_destroy(rdev, priv);
            }
        }
    }

  up_read(&g_rpmsg_lock);
}

void rpmsg_ns_bind(FAR struct rpmsg_device *rdev,
                   FAR const char *name, uint32_t dest)