netdev - Re: [RFC net-next 0/7] Add basic SyncE interfaces

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Message-ID: <20210818170846.GF9992@hoboy.vegasvil.org>
Date:   Wed, 18 Aug 2021 10:08:46 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>
Cc:     linux-kernel@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
        netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
        jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        davem@...emloft.net, kuba@...nel.org, shuah@...nel.org,
        arnd@...db.de, nikolay@...dia.com, cong.wang@...edance.com,
        colin.king@...onical.com, gustavoars@...nel.org
Subject: Re: [RFC net-next 0/7] Add basic SyncE interfaces

On Mon, Aug 16, 2021 at 06:07:10PM +0200, Arkadiusz Kubalewski wrote:

> Multiple reference clock sources can be available. PHY ports recover
> the frequency at which the transmitter sent the data on the RX side.
> Alternatively, we can use external sources like 1PPS GPS, etc.

There is a generic PHY subsystem (drivers/phy) used by USB, PCIe, CAN,
and so on.  Why not use that?

Thanks,
Richard