From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932689Ab3KZWFs (ORCPT ); Tue, 26 Nov 2013 17:05:48 -0500 Received: from mho-03-ewr.mailhop.org ([204.13.248.66]:27023 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932201Ab3KZWFq (ORCPT ); Tue, 26 Nov 2013 17:05:46 -0500 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 50.131.214.131 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX19k8m7T/o6unqdu+TA4pQ3B Date: Tue, 26 Nov 2013 14:05:43 -0800 From: Tony Lindgren To: Joel Fernandes Cc: Linux ARM Kernel List , linux-omap@vger.kernel.org, Linux Kernel Mailing List , Santosh Shilimkar Subject: Re: [PATCH 6/7] ARM: OMAP: Disable POSTED mode for errata i103 and i767 Message-ID: <20131126220543.GP26766@atomide.com> References: <1385415876-12387-1-git-send-email-joelf@ti.com> <1385415876-12387-7-git-send-email-joelf@ti.com> <20131125221437.GW10023@atomide.com> <5293CC93.6040603@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5293CC93.6040603@ti.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Joel Fernandes [131125 14:18]: > On 11/25/2013 04:14 PM, Tony Lindgren wrote: > > * Joel Fernandes [131125 13:46]: > >> Enabling of Posted mode is seen to cause problems on dmtimer modules on AM33xx > >> (much like other OMAPs). Reference discussions on forums [1] [2]. Earlier > >> patch solving this on other OMAPs [3]. > >> > >> For OMAP SoCs with this errata, the fix has been to not enable Posted mode. > >> However, on some SoCs (atleast AM33xx) which carry this errata, Posted mode > >> is enabled on reset. So we not only need to ignore enabling of the POSTED bit > >> when the timer is requested, but also disable Posted mode if errata is present. > > > > This could explain some occasional lost timers I saw a while back when > > testing things.. We most likely should merge for the -rc series with cc stable. > > Sure, I agree. > > > > > Does this depend on the other patches in this series? > > > > No it doesn't depend. OK thanks applying into omap-for-v3.13/fixes-take4. Tony