linux-kernel - Re: [PATCH V14 1/4] ptp: Added a brand new class driver for ptp clocks.

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Message-Id: <201104180854.35552.arnd@arndb.de>
Date:	Mon, 18 Apr 2011 08:54:35 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Richard Cochran <richardcochran@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	netdev@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Christoph Lameter <cl@...ux.com>,
	David Miller <davem@...emloft.net>,
	John Stultz <john.stultz@...aro.org>,
	Krzysztof Halasa <khc@...waw.pl>,
	Peter Zijlstra <peterz@...radead.org>,
	Rodolfo Giometti <giometti@...ux.it>,
	Thomas Gleixner <tglx@...utronix.de>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Mike Frysinger <vapier@...too.org>,
	Paul Mackerras <paulus@...ba.org>,
	Russell King <linux@....linux.org.uk>
Subject: Re: [PATCH V14 1/4] ptp: Added a brand new class driver for ptp clocks.

On Monday 18 April 2011, 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 <richard.cochran@...cron.at>

Acked-by: Arnd Bergmann <arnd@...db.de>
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