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Date: Sat, 16 Jul 2022 21:53:34 +0300 From: Vladimir Oltean <vladimir.oltean@....com> To: netdev@...r.kernel.org Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>, Vivien Didelot <vivien.didelot@...il.com>, Florian Fainelli <f.fainelli@...il.com> Subject: [PATCH net 05/15] docs: net: dsa: document change_tag_protocol Support for changing the tagging protocol was added without this operation being documented; do so now. Fixes: 53da0ebaad10 ("net: dsa: allow changing the tag protocol via the "tagging" device attribute") Signed-off-by: Vladimir Oltean <vladimir.oltean@....com> --- Documentation/networking/dsa/dsa.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/networking/dsa/dsa.rst b/Documentation/networking/dsa/dsa.rst index 76b0bc1abbae..83c1a02376c8 100644 --- a/Documentation/networking/dsa/dsa.rst +++ b/Documentation/networking/dsa/dsa.rst @@ -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 -- 2.34.1
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