Re: [PATCH v8 net-next 01/10] dt-bindings: net: dsa: dt bindings for microchip lan937x

From: Prasanna Vengateshan
Date: Fri Feb 18 2022 - 11:39:12 EST


On Fri, 2022-02-11 at 19:56 -0800, Florian Fainelli wrote:
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> On 2/9/2022 3:58 AM, Prasanna Vengateshan wrote:
> > On Mon, 2022-02-07 at 18:53 -0800, Florian Fainelli wrote:
> > >
> > > > +                rx-internal-delay-ps:
> > > > +                  $ref: "#/$defs/internal-delay-ps"
> > > > +                tx-internal-delay-ps:
> > > > +                  $ref: "#/$defs/internal-delay-ps"
> > >
> > > Likewise, this should actually be changed in ethernet-controller.yaml
> >
> > There is *-internal-delay-ps property defined for mac in ethernet-
> > controller.yaml. Should that be changed like above?
>
> It seems to me that these properties override whatever 'phy-mode'
> property is defined, but in premise you are right that this is largely
> applicable to RGMII only. I seem to recall that the QCA8K driver had
> some sort of similar delay being applied even in SGMII mode but I am not
> sure if we got to the bottom of this.
>
> Please make sure that this does not create regressions for other DTS in
> the tree before going with that change in ethernet-controller.yaml.

Okay, Can these be submitted as a seperate patch?

Prasanna V