Received: by 2002:a25:ef43:0:0:0:0:0 with SMTP id w3csp437765ybm; Fri, 29 May 2020 04:00:54 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy1bPSJ1q3kgCamdWv6Iw/4vRYx57XHxEDE+2BCHCsBlatzfd6clkApBUQtnR/cPunk55Bh X-Received: by 2002:a17:906:a843:: with SMTP id dx3mr6784119ejb.396.1590750054308; Fri, 29 May 2020 04:00:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590750054; cv=none; d=google.com; s=arc-20160816; b=cgjLtZf2LBFr7sOHqWLjewZgRg8wlBSfIjoW/Mnn3oU6H6rShgKFz4VelDpPqtyNDu V6w+H5uOXwNjHYLqWYcNpg/hEwFVd+OupJx2H3IMqlfO7ChZ56VL8WqbX43JEtOtXh0y FJPoBEucDjbMqyxBAm3ybqeSmiSZHHmbDEZTM8mDkgOumY8u07uVj1zdxaOV3y5c4e5R cPwfczW9DGy1Cu3i2cu/ZGqze8NP5iwgYmO+Rxh+NraT2OHf7QFvh4CJ6p5/DBZvmjQY wAziduenHjxm3VrFkC/pgnVjArMVbAnLKtzO+Xagyr1zHG7CCINjKDd6mxUVRRB2VzJQ 5zNg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:dkim-signature:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=06/Fdr3bA+ciLNMseJ/kn2hvnWdtUgAwTL8Ebufl9cc=; b=0d323mTwWPwtvjsNKm0fct+wW63hRFgeXYFyOp4NvWavQe1D+cElDPZUd/T2dZH2FM hAncrZHux6k+xjJ/YU0vXaoRUl2u6+sIBcXOUPR+gHLS6pytaA7o7wATKoDiaLPXljfk bEtC3jXc5cTl4i52/uRC6+T+WhUREIwOKvoqyaY7fK08AcuMTpBrq911cNMk2+y7/uPR LoI6iXVzju8Xmkd5EeTGNxw65GPMfRFtNRFYwcCdxbK/ByOnEfuuW4eN5ovx8gOhsc3o 7nA2LwaPxJBe2zL2khuEiXTuipQhO5dBHOzZ7hwFPZwtLoMbJNPYfDon0HjjYcF3f6In 9xGg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b=HEnxrdPa; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d8si4974585ejk.317.2020.05.29.04.00.31; Fri, 29 May 2020 04:00:54 -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; dkim=pass header.i=@nvidia.com header.s=n1 header.b=HEnxrdPa; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726495AbgE2K6k (ORCPT + 99 others); Fri, 29 May 2020 06:58:40 -0400 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:19845 "EHLO hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725306AbgE2K6j (ORCPT ); Fri, 29 May 2020 06:58:39 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Fri, 29 May 2020 03:57:07 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Fri, 29 May 2020 03:58:38 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Fri, 29 May 2020 03:58:38 -0700 Received: from [10.25.76.239] (10.124.1.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 29 May 2020 10:58:28 +0000 Subject: Re: [PATCH] PCI: tegra: fix runtime pm imbalance on error To: Lorenzo Pieralisi , Thierry Reding CC: Bjorn Helgaas , Dinghao Liu , , Rob Herring , Bjorn Helgaas , Jonathan Hunter , Andrew Murray , , , References: <20200520163739.GA1100601@bjorn-Precision-5520> <20200529102317.GA12270@e121166-lin.cambridge.arm.com> X-Nvconfidentiality: public From: Vidya Sagar Message-ID: <74c911ac-95ab-d2a0-8604-1ef19c2f997d@nvidia.com> Date: Fri, 29 May 2020 16:28:23 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200529102317.GA12270@e121166-lin.cambridge.arm.com> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL101.nvidia.com (172.20.187.10) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1590749827; bh=06/Fdr3bA+ciLNMseJ/kn2hvnWdtUgAwTL8Ebufl9cc=; h=X-PGP-Universal:Subject:To:CC:References:X-Nvconfidentiality:From: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=HEnxrdPaTamFwHVwP3lcJImL81/SCDFEZkJuQc5KwaxVLRLmvWOEP351hf9uYUYGJ FxwSBmNrfIAzLYGFbDJT5OY9gPtBxbkJyjCnVBW+S4HT+Cw8+mKmlr/p8ReSOtrIm9 g/BxOqEHeNyosTal4A9G3kN20WAE3xigboj76gQXb8rT6x2CqIJhHhdeedqYWeFh+z vrza/JEBnhtiQQeq7C/fMvcogEvwtpUNpTi1tHWWtNwjT8NRsvR3cRa2aTFDXKOku3 Iqh+VT++jpyYnJP+D++u8eh+IZN/o//C4jY6vCAcQbfgjnZcLOG6o1ufzZdP0qQxCv lAmu3X47o+AMg== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29-May-20 3:53 PM, Lorenzo Pieralisi wrote: > External email: Use caution opening links or attachments > > > On Wed, May 20, 2020 at 11:39:08PM +0530, Vidya Sagar wrote: >> Thanks for pushing a patch to fix it. I've been under the wrong assumption >> that a failing pm_runtime_get_sync() wouldn't increment the usage counter. >> With Thierry's and Bjorn's comments addressed >> >> Acked-by: Vidya Sagar > > Thierry, Vidya, > > are your ACKs applying also to: > > https://patchwork.kernel.org/patch/11562109/ I just took a look at this change and it looks good to me. So, I'm fine with extending my 'Acked-by' to this patch as well. Thanks, Vidya Sagar > > Dinghao did not carry them over and I could not understand from this > thread if your ACKs apply to both tegra and tegra194. > > Thanks, > Lorenzo > >> On 20-May-20 10:07 PM, Bjorn Helgaas wrote: >>> External email: Use caution opening links or attachments >>> >>> >>> On Wed, May 20, 2020 at 11:59:08AM +0200, Thierry Reding wrote: >>>> On Wed, May 20, 2020 at 04:52:23PM +0800, Dinghao Liu wrote: >>>>> pm_runtime_get_sync() increments the runtime PM usage counter even >>>>> it returns an error code. Thus a pairing decrement is needed on >>>> >>>> s/even it/even when it/ >>>> >>>> Might also be a good idea to use a different subject prefix because I >>>> was almost not going to look at the other patch, taking this to be a >>>> replacement for it. >>> >>> Amen. This would be a good change to start using "PCI: tegra194" or >>> something for pcie-tegra194.c. Or will there be tegra195, tegra 196, >>> etc added to this driver? >>> >>> Also, please capitalize the first word and "PM" in the subjects: >>> >>> PCI: tegra194: Fix runtime PM imbalance on error >>> >>> Bjorn >>>