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Message-ID: <20201012214254.GA1310@hoboy>
Date:   Mon, 12 Oct 2020 14:42:54 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Kamil Alkhouri <kamil.alkhouri@...offenburg.de>
Cc:     Vladimir Oltean <olteanv@...il.com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        ilias.apalodimas@...aro.org
Subject: Re: [PATCH net-next v6 4/7] net: dsa: hellcreek: Add support for
 hardware timestamping

On Mon, Oct 12, 2020 at 02:53:58PM +0200, Kamil Alkhouri wrote:
> > By the way, how would you see the split between an unsynchronized and
> > a
> > synchronized PHC be implemented in the Linux kernel?

If you want, you can run your PHC using the linuxptp "free_running"
option.  Then, you can use the TIME_STATUS_NP management request to
use the remote time signal in your application.

> I'm not an expert in kernel implementation but we have plans to discuss
> possible approaches in the near future.

I don't see any need for kernel changes in this area.

Thanks,
Richard

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