From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Cochran Subject: Re: [PATCH net-next] dp83640: Adjust ptp event timestamps Date: Thu, 10 Jul 2014 19:35:42 +0200 Message-ID: <20140710173542.GC7965@localhost.localdomain> References: <1404901343-19445-1-git-send-email-stefan.sorensen@spectralink.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: Stefan =?iso-8859-1?Q?S=F8rensen?= Return-path: Received: from mail-wi0-f173.google.com ([209.85.212.173]:50081 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751404AbaGJRgF (ORCPT ); Thu, 10 Jul 2014 13:36:05 -0400 Received: by mail-wi0-f173.google.com with SMTP id cc10so5008046wib.12 for ; Thu, 10 Jul 2014 10:36:02 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1404901343-19445-1-git-send-email-stefan.sorensen@spectralink.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, Jul 09, 2014 at 12:22:23PM +0200, Stefan S=F8rensen wrote: > From the dp86340 Software Development Guide: > Event timestamp values should be adjusted by 3*reference clock peri= od + > 11 ns =3D 35 ns to compensate for input path and synchronization de= lays. >=20 > So subtract 35ns from event timestamps. >=20 > Signed-off-by: Stefan S=F8rensen Acked-by: Richard Cochran