From: Richard Cochran <richardcochran@gmail.com>
To: "Stefan Sørensen" <stefan.sorensen@spectralink.com>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH net-next] dp83640: Adjust ptp event timestamps
Date: Thu, 10 Jul 2014 19:35:42 +0200 [thread overview]
Message-ID: <20140710173542.GC7965@localhost.localdomain> (raw)
In-Reply-To: <1404901343-19445-1-git-send-email-stefan.sorensen@spectralink.com>
On Wed, Jul 09, 2014 at 12:22:23PM +0200, Stefan Sørensen wrote:
> From the dp86340 Software Development Guide:
> Event timestamp values should be adjusted by 3*reference clock period +
> 11 ns = 35 ns to compensate for input path and synchronization delays.
>
> So subtract 35ns from event timestamps.
>
> Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
next prev parent reply other threads:[~2014-07-10 17:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-09 10:22 [PATCH net-next] dp83640: Adjust ptp event timestamps Stefan Sørensen
2014-07-09 17:41 ` Richard Cochran
2014-07-10 9:13 ` Sørensen, Stefan
2014-07-10 17:34 ` Richard Cochran
2014-07-10 17:35 ` Richard Cochran [this message]
2014-07-10 17:38 ` Richard Cochran
-- strict thread matches above, loose matches on Subject: below --
2014-07-11 6:18 Stefan Sørensen
2014-07-11 21:05 ` David Miller
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