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From: Richard Cochran <richardcochran@gmail.com>
To: Daniel Walker <danielwa@cisco.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"xe-kernel@external.cisco.com" <xe-kernel@external.cisco.com>,
	"Shabeena Shabeena -X (sshabeen - ARICENT TECHNOLOGIES
	MAURIITIUS LIMITED at Cisco)" <sshabeen@cisco.com>
Subject: Re: ptp
Date: Wed, 7 Sep 2016 23:12:23 +0200	[thread overview]
Message-ID: <20160907211223.GA31741@localhost.localdomain> (raw)
In-Reply-To: <85389e04-76ad-9a19-2a33-d49a9bdd8452@cisco.com>

On Wed, Sep 07, 2016 at 01:55:19PM -0700, Daniel Walker wrote:
> So the code only allows second granularity negative updates,

No.

> or the seconds
> component is the only part which needs to actually be negative ?

Yes.

See the function, clockadj_step, in linuxptp/clockadj.c for a working
user space example.

Thanks,
Richard

      reply	other threads:[~2016-09-07 21:12 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <d1b2b740-8cc6-bf4a-722b-7b323fb0c7c0@cisco.com>
2016-09-07 20:48 ` ptp Richard Cochran
2016-09-07 20:55   ` ptp Daniel Walker
2016-09-07 21:12     ` Richard Cochran [this message]

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