From: Richard Cochran <richardcochran@gmail.com>
To: "Daniel Glöckner" <dg@emlix.com>
Cc: netdev@vger.kernel.org
Subject: Re: PTP_PEROUT_REQUEST and clock stepping
Date: Wed, 10 Sep 2014 19:26:20 +0200 [thread overview]
Message-ID: <20140910172619.GB5944@localhost.localdomain> (raw)
In-Reply-To: <54107965.6040007@emlix.com>
On Wed, Sep 10, 2014 at 06:16:37PM +0200, Daniel Glöckner wrote:
> Hi,
> I was wondering how periodic output is supposed to behave if the clock
> is stepped from a time after ptp_perout_request.start to a time before
> ptp_perout_request.start.
I would say the result is undefined.
User space should first stop the periodic output, then reprogram the
clock, then restart the periodic output. Anything else makes no sense
at all.
Thanks,
Richard
next prev parent reply other threads:[~2014-09-10 17:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-10 16:16 PTP_PEROUT_REQUEST and clock stepping Daniel Glöckner
2014-09-10 17:26 ` Richard Cochran [this message]
2014-09-11 9:52 ` Daniel Glöckner
2014-09-12 6:17 ` Christian Riesch
2014-09-12 6:24 ` Christian Riesch
2014-09-12 6:33 ` Richard Cochran
2014-09-12 11:40 ` Daniel Glöckner
2014-09-12 14:40 ` Richard Cochran
2014-09-12 15:19 ` Daniel Glöckner
2014-09-13 9:19 ` Richard Cochran
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