From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DFB0C433DF for ; Mon, 20 Jul 2020 14:30:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1031022CBE for ; Mon, 20 Jul 2020 14:30:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728586AbgGTOaa (ORCPT ); Mon, 20 Jul 2020 10:30:30 -0400 Received: from muru.com ([72.249.23.125]:37538 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726381AbgGTOaa (ORCPT ); Mon, 20 Jul 2020 10:30:30 -0400 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 2115E81BA; Mon, 20 Jul 2020 14:30:28 +0000 (UTC) Date: Mon, 20 Jul 2020 07:30:33 -0700 From: Tony Lindgren To: Carlos Hernandez Cc: Daniel Lezcano , Thomas Gleixner , linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Subject: Re: [PATCH] clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4 Message-ID: <20200720143033.GD10993@atomide.com> References: <20200713162601.6829-1-tony@atomide.com> <1ac1ac81-1335-8ba2-590c-8f57c2df1910@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Carlos Hernandez [200717 21:35]: > On 7/17/20 6:29 AM, Daniel Lezcano wrote: > > On 13/07/2020 18:26, Tony Lindgren wrote: > > > Fixes: 52762fbd1c47 ("clocksource/drivers/timer-ti-dm: Add clockevent and clocksource support") > > > Reported-by: Carlos Hernandez > > > Signed-off-by: Tony Lindgren > > > --- > > Carlos, were you able to test this patch ? > > Tested the patch on top of 5.8-rc5. > > cbdb2617290d (HEAD) clocksource/drivers/timer-ti-dm: Fix suspend and resume > for am3 and am4 > 11ba468877bb (tag: v5.8-rc5) Linux 5.8-rc5 > > It works on am335x-evm but fails on am437x-evm Thanks for testing. > am4: > > CCCCCCCC** 1196 printk messages dropped ** The above does not look normal.. > 44000000.ocp:L3 Custom Error: MASTER DSS TARGET GPMC (Read) > ** 34 printk messages dropped ** ..but the above points to the GPMC module failing to suspend. This seems to be some other GPMC specific issue not related to the system timers. FYI, I have not seen the error above with am437x-sk-evm. But then again, the sk-evm is probably not using GPMC. Regards, Tony