From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] ARM: OMAP2+: Get rid of custom OMAP_32K_TIMER_HZ Date: Fri, 1 Feb 2013 14:52:02 -0800 Message-ID: <20130201225202.GI22517@atomide.com> References: <1359646320-9086-1-git-send-email-santosh.shilimkar@ti.com> <1524396.4DaQLsSWOZ@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-03-ewr.mailhop.org ([204.13.248.66]:64123 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755035Ab3BAWwI (ORCPT ); Fri, 1 Feb 2013 17:52:08 -0500 Content-Disposition: inline In-Reply-To: <1524396.4DaQLsSWOZ@wuerfel> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Arnd Bergmann Cc: linux-arm-kernel@lists.infradead.org, Santosh Shilimkar , Russell King , John Stultz , linux-omap@vger.kernel.org * Arnd Bergmann [130131 07:41]: > On Thursday 31 January 2013 21:02:00 Santosh Shilimkar wrote: > > The timekeeping doesn't depend on HZ value in presence of fine grained > > clocksource and hence there should not be any time drift because of HZ > > value which was chosen to be divisor of 32768. > > > > OMAP has been using HZ = 128 value to avoid any time drift issues > > because of 32768 HZ clock. But with various measurements performed > > with HZ = 100, no time drift is observed and it also proves the > > point about HZ not having impact on time keeping on OMAP. > > > > Very informative thread on this topic is here: > > https://lkml.org/lkml/2013/1/29/435 > > > > Special thanks to John Stulz, Arnd Bergmann and Russell King for their > > valuable suggestions. > > > > Cc: Arnd Bergmann > > Cc: Russell King > > Cc: John Stultz > > Cc: Tony Lindgren > > Acked-by: Arnd Bergmann > > Thanks so much for looking into this! Great thanks for checking it Santosh! Applying into omap-for-v3.9/soc. Tony