const struct switchdev_obj_port_vlan *vlan)
 {
        struct realtek_smi *smi = ds->priv;
+       u16 vid;
        int ret;
 
-       if (!smi->ops->is_vlan_valid(smi, port))
-               return -EINVAL;
+       for (vid = vlan->vid_begin; vid < vlan->vid_end; vid++)
+               if (!smi->ops->is_vlan_valid(smi, vid))
+                       return -EINVAL;
 
        dev_info(smi->dev, "prepare VLANs %04x..%04x\n",
                 vlan->vid_begin, vlan->vid_end);
        u16 vid;
        int ret;
 
-       if (!smi->ops->is_vlan_valid(smi, port))
-               return;
+       for (vid = vlan->vid_begin; vid < vlan->vid_end; vid++)
+               if (!smi->ops->is_vlan_valid(smi, vid))
+                       return;
 
        dev_info(smi->dev, "add VLAN on port %d, %s, %s\n",
                 port,