[PATCH net-next 1/3] dt-bindings: net: dsa: mt7530: replace label = "cpu" with proper checks

Rob Herring robh at kernel.org
Tue Sep 13 08:51:16 PDT 2022


On Mon, 12 Sep 2022 20:50:56 +0300, Vladimir Oltean wrote:
> The fact that some DSA device trees use 'label = "cpu"' for the CPU port
> is nothing but blind cargo cult copying. The 'label' property was never
> part of the DSA DT bindings for anything except the user ports, where it
> provided a hint as to what name the created netdevs should use.
> 
> DSA does use the "cpu" port label to identify a CPU port in dsa_port_parse(),
> but this is only for non-OF code paths (platform data).
> 
> The proper way to identify a CPU port is to look at whether the
> 'ethernet' phandle is present.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean at nxp.com>
> ---
>  .../devicetree/bindings/net/dsa/mediatek,mt7530.yaml | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
> 

Acked-by: Rob Herring <robh at kernel.org>



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