Commit d6a0336a authored by Vladimir Oltean's avatar Vladimir Oltean Committed by David S. Miller
Browse files

docs: net: dsa: document change_tag_protocol 



Support for changing the tagging protocol was added without this
operation being documented; do so now.

Fixes: 53da0eba ("net: dsa: allow changing the tag protocol via the "tagging" device attribute")
Signed-off-by: default avatarVladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c56313a4

Documentation/networking/dsa/dsa.rst

+6 −0
Original line number Diff line number Diff line
@@ -600,6 +600,12 @@ Switch configuration 
  upstream switch, in case there are hardware limitations in terms of supported

  tag formats.



- ``change_tag_protocol``: when the default tagging protocol has compatibility

  problems with the master or other issues, the driver may support changing it

  at runtime, either through a device tree property or through sysfs. In that

  case, further calls to ``get_tag_protocol`` should report the protocol in

  current use.



- ``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,

  interrupts, mutexes, locks, etc. This function is also expected to properly