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[109.252.193.177]) by smtp.googlemail.com with ESMTPSA id 196sm1571873lfg.209.2020.11.01.07.49.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 01 Nov 2020 07:49:17 -0800 (PST) Subject: Re: [PATCH v6 51/52] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree To: cwchoi00@gmail.com Cc: Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski , linux-tegra@vger.kernel.org, Linux PM list , linux-kernel , dri-devel , devicetree References: <20201025221735.3062-1-digetx@gmail.com> <20201025221735.3062-52-digetx@gmail.com> <2ebd184c-60e8-19e2-9965-19481ced1c70@gmail.com> From: Dmitry Osipenko Message-ID: <5f5a22b1-4d01-5698-1bca-6bcc66c55e6f@gmail.com> Date: Sun, 1 Nov 2020 18:49:16 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 01.11.2020 18:44, Chanwoo Choi пишет: >> OPP core will try to grab the clock reference for the table and it may >> cause EPROBE_DEFER. Although, it shouldn't happen here because we have >> devm_clk_get() before the get_opp_table(), hence seems the deferred >> probe indeed shouldn't happen in this case. > It is my missing point. If there, you're right. > Could you provide the code point to check the clock reference on the OPP core? Please see it here: https://elixir.bootlin.com/linux/v5.10-rc1/source/drivers/opp/core.c#L1101 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=-4.8 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 97E36C4742C for ; Sun, 1 Nov 2020 17:38:23 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 566282080A for ; Sun, 1 Nov 2020 17:38:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CH53aYEY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 566282080A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 30E2C6EB3D; Sun, 1 Nov 2020 17:38:16 +0000 (UTC) Received: from mail-lf1-x143.google.com (mail-lf1-x143.google.com [IPv6:2a00:1450:4864:20::143]) by gabe.freedesktop.org (Postfix) with ESMTPS id 40E0188065 for ; Sun, 1 Nov 2020 15:49:19 +0000 (UTC) Received: by mail-lf1-x143.google.com with SMTP id h6so14174613lfj.3 for ; Sun, 01 Nov 2020 07:49:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=+IMMWwTBpIuU34muTgua4oEKfGJdORV+B0XtK66fJrc=; b=CH53aYEYM+ZxNJAYZtHdmiWk27hMZvw57vtMxIUKweWLPnQ1zL8KTxXSLLaQP6pJ6H CUeC1l9MqRH+Nno4rcVnD6fZ9Tr/yDkBUk4cu2wdh8Dji0FhT7jXrEc+4pL9X/ptuPD3 Hb3Sys5CXMsgTzKwZGJouWzFlc41nQfJ6NftUYNSEAqjIPus7ZcGWGTmt0HXysGzbVp6 aQ+4zxSgXSuvGkWWcGlJhJMNyo1BiZxfp+Ku9L/APZSBgeE61Xkp9p4kL6htxBH2WzZ6 4R90X1KyAl1/KNdI99Z0ZX1Le9FoJabWU2LXGilSKg8cj1/R8jCESOeHWYofOZLaWOAB o3tQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=+IMMWwTBpIuU34muTgua4oEKfGJdORV+B0XtK66fJrc=; b=gAL0Eo5oXrg9YQqfqm0w3TUmMwvzqMjsS49xUuXm5KOxC6jnRPm1Gav6Q1tau0D8fs 7R2wIhlw5QkDHAqN4AC2YFqWiISrSZYBqflU9PIR9/QzygYvSBUGExdSUpL4SFZicUIX 4WKhqft0kRlwUqMN9Morjjb8nzm5vPuk7HcjNeef697IjtFPBQ7xxWE3C6ga148xeyHJ MVafc23v0TbogwwkEytUjZd8T9QtbHszobMc7mIege1Ag2S4fdKCvEeVof9usoQkitKJ bro3uSBNAxwVQ8K2tC2Of16SdAk2n9/E/95aPJ0jJw3zISdXHWe5XUT/NbulX1Y50bRJ mxlg== X-Gm-Message-State: AOAM5314nwU4PHAmAc6ddfbB5pR+C3nkE2SkNF+x/qlFF1/R3Rn4Mcwo gVl+L2OLXnY6BZ/phamiQEA= X-Google-Smtp-Source: ABdhPJyfbmcSEmTMH443D7OLJRec3W7yiy/1SR2NX2guVnd/pVsXQbN96ATE9WOlpP88kx03VxbOzQ== X-Received: by 2002:a19:414b:: with SMTP id o72mr4634104lfa.23.1604245757706; Sun, 01 Nov 2020 07:49:17 -0800 (PST) Received: from [192.168.2.145] (109-252-193-177.dynamic.spd-mgts.ru. [109.252.193.177]) by smtp.googlemail.com with ESMTPSA id 196sm1571873lfg.209.2020.11.01.07.49.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 01 Nov 2020 07:49:17 -0800 (PST) Subject: Re: [PATCH v6 51/52] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree To: cwchoi00@gmail.com References: <20201025221735.3062-1-digetx@gmail.com> <20201025221735.3062-52-digetx@gmail.com> <2ebd184c-60e8-19e2-9965-19481ced1c70@gmail.com> From: Dmitry Osipenko Message-ID: <5f5a22b1-4d01-5698-1bca-6bcc66c55e6f@gmail.com> Date: Sun, 1 Nov 2020 18:49:16 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Mailman-Approved-At: Sun, 01 Nov 2020 17:36:56 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter De Schrijver , Krzysztof Kozlowski , Mikko Perttunen , dri-devel , Nicolas Chauvet , Stephen Boyd , Viresh Kumar , Michael Turquette , Linux PM list , linux-kernel , Rob Herring , Jonathan Hunter , Chanwoo Choi , Kyungmin Park , Thierry Reding , MyungJoo Ham , Peter Geis , linux-tegra@vger.kernel.org, Georgi Djakov , devicetree Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" MDEuMTEuMjAyMCAxODo0NCwgQ2hhbndvbyBDaG9pINC/0LjRiNC10YI6Cj4+IE9QUCBjb3JlIHdp bGwgdHJ5IHRvIGdyYWIgdGhlIGNsb2NrIHJlZmVyZW5jZSBmb3IgdGhlIHRhYmxlIGFuZCBpdCBt YXkKPj4gY2F1c2UgRVBST0JFX0RFRkVSLiBBbHRob3VnaCwgaXQgc2hvdWxkbid0IGhhcHBlbiBo ZXJlIGJlY2F1c2Ugd2UgaGF2ZQo+PiBkZXZtX2Nsa19nZXQoKSBiZWZvcmUgdGhlIGdldF9vcHBf dGFibGUoKSwgaGVuY2Ugc2VlbXMgdGhlIGRlZmVycmVkCj4+IHByb2JlIGluZGVlZCBzaG91bGRu J3QgaGFwcGVuIGluIHRoaXMgY2FzZS4KPiBJdCBpcyBteSBtaXNzaW5nIHBvaW50LiBJZiB0aGVy ZSwgeW91J3JlIHJpZ2h0Lgo+IENvdWxkIHlvdSBwcm92aWRlIHRoZSBjb2RlIHBvaW50IHRvIGNo ZWNrIHRoZSBjbG9jayByZWZlcmVuY2Ugb24gdGhlIE9QUCBjb3JlPwoKUGxlYXNlIHNlZSBpdCBo ZXJlOgoKaHR0cHM6Ly9lbGl4aXIuYm9vdGxpbi5jb20vbGludXgvdjUuMTAtcmMxL3NvdXJjZS9k cml2ZXJzL29wcC9jb3JlLmMjTDExMDEKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vZHJpLWRldmVsCg==