From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755299Ab1C1SHF (ORCPT ); Mon, 28 Mar 2011 14:07:05 -0400 Received: from e37.co.us.ibm.com ([32.97.110.158]:53657 "EHLO e37.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751787Ab1C1SHC (ORCPT ); Mon, 28 Mar 2011 14:07:02 -0400 Subject: Re: [PATCH V13 1/4] ptp: Added a brand new class driver for ptp clocks. From: John Stultz To: Richard Cochran Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, netdev@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, Alan Cox , Arnd Bergmann , Christoph Lameter , David Miller , Krzysztof Halasa , Peter Zijlstra , Rodolfo Giometti , Thomas Gleixner , Benjamin Herrenschmidt , Mike Frysinger , Paul Mackerras , Russell King In-Reply-To: <86641738e4c84fbdb105d6f2eb6141d5d13c3190.1301206090.git.richard.cochran@omicron.at> References: <86641738e4c84fbdb105d6f2eb6141d5d13c3190.1301206090.git.richard.cochran@omicron.at> Content-Type: text/plain; charset="UTF-8" Date: Mon, 28 Mar 2011 11:06:35 -0700 Message-ID: <1301335595.21829.0.camel@work-vm> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2011-03-27 at 08:38 +0200, Richard Cochran wrote: > This patch adds an infrastructure for hardware clocks that implement > IEEE 1588, the Precision Time Protocol (PTP). A class driver offers a > registration method to particular hardware clock drivers. Each clock is > presented as a standard POSIX clock. > > The ancillary clock features are exposed in two different ways, via > the sysfs and by a character device. > > Signed-off-by: Richard Cochran Acked-by: John Stultz thanks -john