From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753055AbaCMDMQ (ORCPT <rfc822;w@1wt.eu>);
	Wed, 12 Mar 2014 23:12:16 -0400
Received: from terminus.zytor.com ([198.137.202.10]:59514 "EHLO mail.zytor.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1752568AbaCMDMP (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Wed, 12 Mar 2014 23:12:15 -0400
Message-ID: <532121D2.40805@zytor.com>
Date: Wed, 12 Mar 2014 20:11:14 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0
MIME-Version: 1.0
To: joeyli <jlee@suse.com>, Thomas Gleixner <tglx@linutronix.de>
CC: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Julian Wollrath <jwollrath@web.de>, x86@kernel.org,
        LKML <linux-kernel@vger.kernel.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
        John Stultz <john.stultz@linaro.org>, "Ted Ts'o" <tytso@mit.edu>,
        Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [RESEND] Fast TSC calibration fails with v3.14-rc1 and later
References: <20140310110410.5b2218f6@ilfaris>	 <alpine.DEB.2.02.1403121722030.18573@ionos.tec.linutronix.de>	 <alpine.DEB.2.02.1403121729060.18573@ionos.tec.linutronix.de>	 <1554867.utJVyPuT6A@vostro.rjw.lan>	 <alpine.DEB.2.02.1403130049500.18573@ionos.tec.linutronix.de> <1394678307.26565.218.camel@linux-s257.site>
In-Reply-To: <1394678307.26565.218.camel@linux-s257.site>
X-Enigmail-Version: 1.6
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 03/12/2014 07:38 PM, joeyli wrote:
> 
> I sent rtc-acpitad driver for RTC subsystem on last month, I will send
> second version.
> 
> For using TAD to set wall clock is because in ACPI 5.0 spec, there have
> a "CMOS RTC Not Present" flag in FADT to indicate OSPM should use TAD
> when this flag set:
> 
> CMOS RTC Not Present
> 

Bullsh*t.  The TAD should be used if it is present, it has nothing to do
with this flag.

	-hpa