netdev - Re: [PATCH v4 1/3] dt-bindings: net: adin: document phy clock

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Message-ID: <20220512154455.31515ead@kernel.org>
Date:   Thu, 12 May 2022 15:44:55 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Michael Walle <michael@...le.cc>
Cc:     alexandru.ardelean@...log.com, alvaro.karsz@...id-run.com,
        davem@...emloft.net, edumazet@...gle.com, josua@...id-run.com,
        krzysztof.kozlowski+dt@...aro.org, michael.hennerich@...log.com,
        netdev@...r.kernel.org, pabeni@...hat.com, robh+dt@...nel.org
Subject: Re: [PATCH v4 1/3] dt-bindings: net: adin: document phy clock

On Thu, 12 May 2022 23:20:18 +0200 Michael Walle wrote:
> > It's pure speculation on my side. I don't even know if PHYs use
> > the recovered clock to clock its output towards the MAC or that's
> > a different clock domain.
> > 
> > My concern is that people will start to use DT to configure SyncE which
> > is entirely a runtime-controllable thing, and doesn't belong. Hence
> > my preference to hide the recovered vs free-running detail if we can
> > pick one that makes most sense for now.  
> 
> I see. That makes sense, but then wouldn't it make more sense to pick
> the (simple) free-running one? As for SyncE you'd need the recovered
> clock.

Sounds good.