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=-8.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 0EDAEC433EB for ; Tue, 21 Jul 2020 03:36:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DCF542073A for ; Tue, 21 Jul 2020 03:36:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="BS/sdwdg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728515AbgGUDgH (ORCPT ); Mon, 20 Jul 2020 23:36:07 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:36110 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726675AbgGUDgH (ORCPT ); Mon, 20 Jul 2020 23:36:07 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 06L3ZmkQ113164; Mon, 20 Jul 2020 22:35:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1595302548; bh=4l/xopkB5rnqxgNpCYxPbkaaMPF5KBXCv8Jz2guGsy0=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=BS/sdwdgNI6twow8o4U179ZE5zNrG0WqI278XrRGm/5yYkRa9rDTPSWXzaQit+eDc /gkDZqEzuYvgaJvKBnZ+vZQol3bQAjz2vo+2WIUY1Lx/FhCcXPWLSLF0kh4N9t2ykq 2+sehHLNT4grfY200MSRDQ+ZXAssYczX/0AH1XOM= Received: from DFLE102.ent.ti.com (dfle102.ent.ti.com [10.64.6.23]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 06L3Zm2R021422 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 20 Jul 2020 22:35:48 -0500 Received: from DFLE115.ent.ti.com (10.64.6.36) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Mon, 20 Jul 2020 22:35:47 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Mon, 20 Jul 2020 22:35:47 -0500 Received: from [10.24.69.198] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 06L3Zifo083113; Mon, 20 Jul 2020 22:35:45 -0500 Subject: Re: [PATCH] clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4 To: Tony Lindgren , Carlos Hernandez CC: Daniel Lezcano , Thomas Gleixner , , , , Roger Quadros References: <20200713162601.6829-1-tony@atomide.com> <1ac1ac81-1335-8ba2-590c-8f57c2df1910@linaro.org> <20200720143033.GD10993@atomide.com> From: Sekhar Nori Message-ID: Date: Tue, 21 Jul 2020 09:05:44 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200720143033.GD10993@atomide.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org On 7/20/20 8:00 PM, Tony Lindgren wrote: > * 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. So, I guess this patch can still go into v5.8 while the AM437x GP EVM failures are root caused. Carlos, Daniel is looking for your tested by. Can you send it because it fixes the original problem report with dmtimer? Thanks, Sekhar