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

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Date:   Fri, 7 Jun 2019 17:27:07 +0000
From:   "Keller, Jacob E" <jacob.e.keller@...el.com>
To:     Richard Cochran <richardcochran@...il.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

> -----Original Message-----
> From: netdev-owner@...r.kernel.org [mailto:netdev-owner@...r.kernel.org] On
> Behalf Of Richard Cochran
> Sent: Thursday, June 06, 2019 8:35 PM
> To: Keller, Jacob E <jacob.e.keller@...el.com>
> Cc: Kirsher, Jeffrey T <jeffrey.t.kirsher@...el.com>; davem@...emloft.net;
> netdev@...r.kernel.org; nhorman@...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

Thanks for the review!

Regards,
Jake