netdev - Re: [RFC PATCH net-next 0/6] ptp: Support hardware clocks with additional free running time

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Message-ID: <20220307143748.GD29247@hoboy.vegasvil.org>
Date:   Mon, 7 Mar 2022 06:37:48 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     Miroslav Lichvar <mlichvar@...hat.com>
Cc:     Michael Walle <michael@...le.cc>, gerhard@...leder-embedded.com,
        davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        vinicius.gomes@...el.com, yangbo.lu@....com
Subject: Re: [RFC PATCH net-next 0/6] ptp: Support hardware clocks with
 additional free running time

On Mon, Mar 07, 2022 at 03:23:58PM +0100, Miroslav Lichvar wrote:

> There is a need to have multiple PHCs per device and for that to work
> the drivers need to be able to save multiple timestamps per packet.

That is a big job that entails a new user API.

For the present, this device can be supported with only minimal
changes in the PHC class layer.  See my other reply.

Thanks,
Richard