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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 188B5CD4F4C for ; Mon, 9 Sep 2024 05:09:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=egjkhAA60q8dflgDrjmx03xOKE8A1lcO3ob7AjCwrro=; b=4PXRCGVC3QA5d0Jd79ozVJz7oo Q9YztUR3TnYfjdr7BDxDZNKRQ6tLcjFnUyRTV2uzdGZ/MM2o1LNaBHc8ZKxbi4G+J9ThztEaeUT4/ VbjDfiKLArwTiEoZg75hGEZ1+0+iNwWddSO//kih/Omv1gzyh6lA8zIKjA8iHZI1gK6nKePcnYNTn p8BVD20l1k/tu4hNvc3i9TkIvyPByZXFX/L7k/w2P6zfIXCGq+LkFX2D+3zfAQEIwQD9qcWRJCCbs r+iCvWPWto5UkKTaOjY/b0ir0NDHMv2e+x9ji3xHTPIZ1QUJUEY1PxDB+9ZgVTfs6aFUBi/4Szygd gu77L5hA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1snWeJ-00000000UP8-3KiB; Mon, 09 Sep 2024 05:09:15 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1snWdJ-00000000UH7-1kIg; Mon, 09 Sep 2024 05:08:15 +0000 Received: from [192.168.88.20] (91-156-87-48.elisa-laajakaista.fi [91.156.87.48]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 218F43EA; Mon, 9 Sep 2024 07:06:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1725858409; bh=cViwBcSL2eJK2KEiF4+UCbZlJ/7Jb60mwsfIFX/LNXg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=MYropRbZm6S7gwem9F0TMcV4zXxRf+N9sv8biltmv7iH3K7UV0hN5/WJVAefHRTqs 9g54aKLd8O3WSuaKiQlpcW111v1S9vP9x6IL/1/t6/njkEl4Qrwvq2FShram4lfNvB jVZNuN95Jiiji4s3LwTrWqdippzalrcEggzGL1gg= Message-ID: <40cc1e95-b9fc-4c27-9428-1698d0bf9d25@ideasonboard.com> Date: Mon, 9 Sep 2024 08:08:00 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 3/4] media: raspberrypi: Add support for RP1-CFE To: Laurent Pinchart Cc: Mauro Carvalho Chehab , Raspberry Pi Kernel Maintenance , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , oe-kbuild-all@lists.linux.dev, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Naushir Patuck , Sakari Ailus , Jacopo Mondi , Kieran Bingham , kernel test robot References: <20240904-rp1-cfe-v4-3-f1b5b3d69c81@ideasonboard.com> <202409051822.ZzUGw3XQ-lkp@intel.com> <20240905111120.GK16183@pendragon.ideasonboard.com> Content-Language: en-US From: Tomi Valkeinen Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240908_220813_605553_5866B113 X-CRM114-Status: GOOD ( 17.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On 05/09/2024 14:11, Laurent Pinchart wrote: > On Thu, Sep 05, 2024 at 06:50:48PM +0800, kernel test robot wrote: >> Hi Tomi, >> >> kernel test robot noticed the following build warnings: >> >> [auto build test WARNING on 431c1646e1f86b949fa3685efc50b660a364c2b6] >> >> url: https://github.com/intel-lab-lkp/linux/commits/Tomi-Valkeinen/media-uapi-Add-meta-formats-for-PiSP-FE-config-and-stats/20240904-192729 >> base: 431c1646e1f86b949fa3685efc50b660a364c2b6 >> patch link: https://lore.kernel.org/r/20240904-rp1-cfe-v4-3-f1b5b3d69c81%40ideasonboard.com >> patch subject: [PATCH v4 3/4] media: raspberrypi: Add support for RP1-CFE >> config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240905/202409051822.ZzUGw3XQ-lkp@intel.com/config) >> compiler: m68k-linux-gcc (GCC) 14.1.0 >> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240905/202409051822.ZzUGw3XQ-lkp@intel.com/reproduce) >> >> If you fix the issue in a separate patch/commit (i.e. not just a new version of >> the same patch/commit), kindly add following tags >> | Reported-by: kernel test robot >> | Closes: https://lore.kernel.org/oe-kbuild-all/202409051822.ZzUGw3XQ-lkp@intel.com/ >> >> All warnings (new ones prefixed by >>): >> >>>> drivers/media/platform/raspberrypi/rp1-cfe/cfe.c:2445:12: warning: 'cfe_runtime_resume' defined but not used [-Wunused-function] >> 2445 | static int cfe_runtime_resume(struct device *dev) >> | ^~~~~~~~~~~~~~~~~~ >>>> drivers/media/platform/raspberrypi/rp1-cfe/cfe.c:2435:12: warning: 'cfe_runtime_suspend' defined but not used [-Wunused-function] >> 2435 | static int cfe_runtime_suspend(struct device *dev) >> | ^~~~~~~~~~~~~~~~~~~ >> vim +/cfe_runtime_resume +2445 drivers/media/platform/raspberrypi/rp1-cfe/cfe.c > > The recommended way to fix this is to switch from SET_RUNTIME_PM_OPS() > to RUNTIME_PM_OPS() and use pm_ptr() to set .driver.pm. This being said, > the driver won't work on a kernel with !CONFIG_PM given how you > implemented probe() and remove(). > > The pisp-be driver suffered from the same issue and Jacopo fixed it in > the last version. You can have a look at implement something similar. I can't right away think of any reason to not just depend on CONFIG_PM and be done with it without any tricks. Do you know if there's a reason? Tomi