Switch configuration
--------------------
-- ``tag_protocol``: this is to indicate what kind of tagging protocol is supported,
- should be a valid value from the ``dsa_tag_protocol`` enum
+- ``get_tag_protocol``: this is to indicate what kind of tagging protocol is
+ supported, should be a valid value from the ``dsa_tag_protocol`` enum
- ``setup``: setup function for the switch, this function is responsible for setting
up the ``dsa_switch_ops`` private structure with all it needs: register maps,