From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 2/2] ARM: omap: dmtimer: set non-posted mode if iclk less than 4*fck Date: Wed, 20 Jun 2012 07:15:57 -0700 Message-ID: <20120620141557.GO12766@atomide.com> References: <1336744398-23803-1-git-send-email-tarun.kanti@ti.com> <1336744398-23803-3-git-send-email-tarun.kanti@ti.com> <87pq9mel9i.fsf@ti.com> <20120620131346.GI12766@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:46005 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751753Ab2FTOP7 (ORCPT ); Wed, 20 Jun 2012 10:15:59 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "Shilimkar, Santosh" Cc: "DebBarma, Tarun Kanti" , Kevin Hilman , linux-omap@vger.kernel.org, paul@pwsan.com, b-cousson@ti.com * Shilimkar, Santosh [120620 06:21]: > Tony, > > On Wed, Jun 20, 2012 at 6:43 PM, Tony Lindgren wrote: > > > > * DebBarma, Tarun Kanti [120606 04:15]: > > > On Wed, May 30, 2012 at 2:51 AM, Kevin Hilman wrote: > > > > Tarun Kanti DebBarma writes: > > > > > > > >> Timers in PER domain periodically report old time from TCRR in > > > >> posted mode if ick < 4*fck. Therefore, set timer to non-posted > > > >> whenever ick < 4*fck for all timers. > > > > > > > > Is there an erratum assocaited with this? > > > Yes, but it has not yet got into the document. Right now what we have > > > is a hardware defect. > > > > > > > > Does this problem affect every SoC? > > > Not quite sure about OMAP2 but it affects OMAP3+. > > > > This seems not too urgent and OK to queue into fixes-non-critical? > > > Lets hold on this entire series. We are thinking of better WA especially to > avoid static dependencies. So just ignore this series all together for now. OK Tony