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SubjectRe: [PATCH v2 net-next/devicetree 3/5] dt-bindings: net: dsa: ocelot: document the vsc9959 core
Hi Michael,

On Sat, 22 Feb 2020 at 13:28, Michael Walle <michael@walle.cc> wrote:
>
> > +Any port can be disabled, but the CPU port should be kept enabled.
>
> What is the reason for this? Do you mean if you actually want to use it? In
> fact, I'd would like to see it disabled by default in the .dtsi file. It
> doesn't make sense to just have the CPU port enabled, but not any of the
> outgoing ports. It'd just confuse the user if there is an additional
> network port which cannot be used.
>
> -michael
>

I can disable all internal ports by default, but there is one
configuration which will not work: enabling only eno3 and switch port
5. This is because the switch PCS registers belong to eno2, and if
that is disabled, the memory accesses will be invalid. So providing a
configuration with eno2 disabled by default is more likely to produce
confusion. But I'll try to clarify better next time.

> > --
> > 2.17.1
>
>

Thanks,
-Vladimir

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