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Date:   Tue, 17 Oct 2023 10:29:20 +0200
From:   =?UTF-8?B?S8O2cnk=?= Maincent <kory.maincent@bootlin.com>
To:     Richard Cochran <richardcochran@gmail.com>
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Subject: Re: [PATCH net-next v5 08/16] net: ethtool: Add a command to expose
 current time stamping layer
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On Mon, 16 Oct 2023 16:50:01 -0700
Richard Cochran <richardcochran@gmail.com> wrote:

> On Mon, Oct 16, 2023 at 12:41:34PM +0200, K=C3=B6ry Maincent wrote:
>=20
> > Still I am wondering why hardware timestamping capabilities can be enab=
led
> > without phc. =20
>=20
> There is hardware that simply provides time values on frames from a
> free running clock, and that clock cannot be read, set, or adjusted.
>=20
> So the time stamps only relate to other time stamps from the same
> device.  That might be used for performance analysis.

Ok, thanks you for the information.

K=C3=B6ry