netdev - Re: [net-next 06/15] ixgbe: fix PTP SDP pin setup on X540 hardware

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Message-ID: <20190607033442.t3d5gpddvne2m27k@localhost>
Date:   Thu, 6 Jun 2019 20:34:42 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     "Keller, Jacob E" <jacob.e.keller@...el.com>
Cc:     "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "nhorman@...hat.com" <nhorman@...hat.com>,
        "sassmann@...hat.com" <sassmann@...hat.com>,
        "Bowers, AndrewX" <andrewx.bowers@...el.com>
Subject: Re: [net-next 06/15] ixgbe: fix PTP SDP pin setup on X540 hardware

On Thu, Jun 06, 2019 at 08:37:59PM +0000, Keller, Jacob E wrote:
> No. We use the timecounter to track the time offset, not the
> frequency. That is, our hardware can't represent 64bits of time, but
> it can adjust frequency. The time counter is used to track the
> adjustments from adjtime and set time, but not adjfreq.

Ah, okay.  Never mind then... carry on!

Thanks,
Richard