Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp593163pxj; Fri, 11 Jun 2021 06:48:49 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwssdW8rv9dPQehj0Eu/0615wsfl31MvesTopRvXuJzwPP4D2gZFudYOtIVzAfE5oDhgW7/ X-Received: by 2002:a05:6402:40c3:: with SMTP id z3mr3785564edb.187.1623419329418; Fri, 11 Jun 2021 06:48:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623419329; cv=none; d=google.com; s=arc-20160816; b=SXyiS8IYFO2ctcAqRbbSHz2wuEWxk5QIa6tOZ7WUfcnuNpF21+6si4YDNlsfvMqRmO lEHhAI4VX2OMkwW0Rb9/bMSvWJd9gjCHEW/lkPtDxEWEwzkTo7Qh3Gq/8pIdxIIBkVIU 4tsLIzpDi+BZstRYUYDh88sEnZH+wH3IJySLb7rGnL2gjEFET99s9KnuNsS0e7YL6yEW IbVm5EVJxg4ZdNQVvfypV+9Rw8yLctoqDtKFnSj2NtmXP6/BCAmzXzCmr9BeORH3kiv2 o2YAe4v3KUFrcgYGWoNw2UTEmyB4F649WD8RgIU6fB4qyYM8Eh/9alFmd9Si9g84AZ/K e7JA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=6gvIxR3OCzjcibI3swqvQKcvdry7JT0/LOd1yuJdwG8=; b=jh3ZZeURop8GbcLDLIUeqovMLmDr0kSoKim9PbtV1QldtCmXDySMtVpymjBtdJEVRl eGR0M7sbyB7aLlKMaAfmTAHN0cIUmmdqIn0rt+uFy42PfiHMQFcXCxZ1BPDwLL3Y3CSk ZC+bS5pBmaxKNYKVP1+/6fFNHFkEJwQaDascur66jRel9QoIHsSweipuLzFghxG1A+XA 5BQJkd55nvnBB5bVVGIUxVtilxCuse69aKX960k2aUgLy0XYLr2Dx8H0MfwT9BIRzy3j e/70WwwSOUqYnAvSED4Uwk1e5wmB3UgFy3M3tw/Kz4/TCH/x/47VmKaJS1SLDYQVwaX1 MNUQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l18si1072762edr.482.2021.06.11.06.48.25; Fri, 11 Jun 2021 06:48:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230028AbhFKNsK (ORCPT + 99 others); Fri, 11 Jun 2021 09:48:10 -0400 Received: from 49-237-179-185.static.tentacle.fi ([185.179.237.49]:55322 "EHLO bitmer.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229722AbhFKNsJ (ORCPT ); Fri, 11 Jun 2021 09:48:09 -0400 Received: from 88-114-184-142.elisa-laajakaista.fi ([88.114.184.142] helo=[192.168.1.48]) by bitmer.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1lrhU2-0005UL-Tt; Fri, 11 Jun 2021 16:46:02 +0300 Subject: Re: [PATCH] bus: ti-sysc: Fix gpt12 system timer issue with reserved status To: Tony Lindgren , linux-omap@vger.kernel.org Cc: Dave Gerlach , Faiz Abbas , Greg Kroah-Hartman , Grygorii Strashko , Keerthy , Nishanth Menon , Suman Anna , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20210611060224.36769-1-tony@atomide.com> From: Jarkko Nikula Message-ID: <0444bf45-2b6d-5200-6967-736263e75819@bitmer.com> Date: Fri, 11 Jun 2021 16:45:54 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210611060224.36769-1-tony@atomide.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11.6.2021 9.02, Tony Lindgren wrote: > Jarkko Nikula reported that Beagleboard > revision c2 stopped booting. Jarkko bisected the issue down to > commit 6cfcd5563b4f ("clocksource/drivers/timer-ti-dm: Fix suspend > and resume for am3 and am4"). > > Let's fix the issue by tagging system timers as reserved rather than > ignoring them. And let's not probe any interconnect target module child > devices for reserved modules. > > This allows PM runtime to keep track of clocks and clockdomains for > the interconnect target module, and prevent the system timer from idling > as we already have SYSC_QUIRK_NO_IDLE and SYSC_QUIRK_NO_IDLE_ON_INIT > flags set for system timers. > > Fixes: 6cfcd5563b4f ("clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4") > Reported-by: Jarkko Nikula > Signed-off-by: Tony Lindgren > --- > drivers/bus/ti-sysc.c | 20 +++++++++++++------- > 1 file changed, 13 insertions(+), 7 deletions(-) > I tested this on top of 06af8679449d ("coredump: Limit what can interrupt coredumps"). I tested Tony's earlier test diff which does the same that this actual patch also on top of 6cfcd5563b4f. Tested-by: Jarkko Nikula