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

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Message-ID: <20220306215032.GA10311@hoboy.vegasvil.org>
Date:   Sun, 6 Mar 2022 13:50:32 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     Gerhard Engleder <gerhard@...leder-embedded.com>
Cc:     yangbo.lu@....com, David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, mlichvar@...hat.com,
        Vinicius Costa Gomes <vinicius.gomes@...el.com>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [RFC PATCH net-next 0/6] ptp: Support hardware clocks with
 additional free running time

On Sun, Mar 06, 2022 at 07:38:55PM +0100, Gerhard Engleder wrote:
> How can I cover my use case with the existing API? I had no idea so far.

Okay, so 2 PHCs doesn't help, but still all you need is:

1. a different method to convert time stamps to vclock time base

2. a different method for vclocks' gettime

So let me suggest a much smaller change to the phc/vclock api... stay tuned

Thanks,
Richard