From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A687717E9 for ; Sat, 16 Mar 2024 02:06:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710554796; cv=none; b=QFhCBfBqQnDF7T4xI6d2ho/wUPSBwg1L0HrI4m6HY7lb1EC77tbRzyhPvKJFhL9/UWdnD+cyV19El4R0N/krhUWvufGKHMs4DMFpXf1PPLpGuQFoPwAbsq6lecKcry4fajSDzb12N5qwnh4yY8ArQRk3VvcO+c0GnvlrhFdeoTo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710554796; c=relaxed/simple; bh=+jea7D6g8YyQMDreM8Hy+/83SYMczRh2QHLUDgH7dho=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=AY8fuITRhrEisLDuKIaRHP5rSSZfVAGPTzbA8i859wR16beIoC5smrcGTZcLUVWTi5AOQ+dhPKPkjrvLDLqt0kSEiVwzys2BDhDFMd+OkUUn7/exzyFciAd0bMECUWBBvG0FhqxTf24r/Iew6osVNHLJ5eqs3eWytUJ3i+hfwPg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=cAmd/sY7; arc=none smtp.client-ip=198.175.65.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="cAmd/sY7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710554794; x=1742090794; h=date:from:to:cc:subject:message-id:mime-version; bh=+jea7D6g8YyQMDreM8Hy+/83SYMczRh2QHLUDgH7dho=; b=cAmd/sY7yxXnp3PVSb3yWiQ1AOFMEnqzBnBAW3BPyZv9MNJgU2H0xHti F3GFIwpw9c5EBJBHr41c0wzMuPg3Fo8OUfnsMf8baWF9ljiWIOQyB9LpI Q+WTlxCIyZ/YbwIvuw0M0T6feweAdMfblc1RgV0yrBUOLn2WZnNYzF3qK RRbj0oGPKKxh6ZVWCsYjOVdtlhVQi92d+Wui7SEGgs44t/zlSwwtNS1XT gY3X1DOkIuN82MdjEpdg0l395P6GKHYmbf2MhcGi226MkYa8k74iNKkNc oqd65ts2a5ycEL2tKvSpWkvB8r3FCwoeXMBIpgcSMpnU7Egj/5EDngE/b w==; X-IronPort-AV: E=McAfee;i="6600,9927,11014"; a="5382284" X-IronPort-AV: E=Sophos;i="6.07,129,1708416000"; d="scan'208";a="5382284" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Mar 2024 19:06:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,129,1708416000"; d="scan'208";a="35989210" Received: from lkp-server01.sh.intel.com (HELO b21307750695) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 15 Mar 2024 19:06:31 -0700 Received: from kbuild by b21307750695 with local (Exim 4.96) (envelope-from ) id 1rlJRN-000Eyf-0j; Sat, 16 Mar 2024 02:06:29 +0000 Date: Sat, 16 Mar 2024 10:06:07 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: Re: [PATCH 3/4] PM: EM: Add em_dev_update_chip_binning() Message-ID: <202403160905.OfEMtk76-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20240314140421.3563571-4-lukasz.luba@arm.com> References: <20240314140421.3563571-4-lukasz.luba@arm.com> TO: Lukasz Luba TO: linux-kernel@vger.kernel.org TO: linux-pm@vger.kernel.org CC: lukasz.luba@arm.com CC: dietmar.eggemann@arm.com CC: linux-arm-kernel@lists.infradead.org CC: sboyd@kernel.org CC: nm@ti.com CC: linux-samsung-soc@vger.kernel.org CC: daniel.lezcano@linaro.org CC: rafael@kernel.org CC: viresh.kumar@linaro.org CC: krzysztof.kozlowski@linaro.org CC: alim.akhtar@samsung.com CC: m.szyprowski@samsung.com CC: mhiramat@kernel.org Hi Lukasz, kernel test robot noticed the following build warnings: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on linus/master next-20240315] [cannot apply to krzk/for-next clk/clk-next soc/for-next rafael-pm/acpi-bus rafael-pm/devprop v6.8] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Lukasz-Luba/OPP-OF-Export-dev_opp_pm_calc_power-for-usage-from-EM/20240314-220719 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20240314140421.3563571-4-lukasz.luba%40arm.com patch subject: [PATCH 3/4] PM: EM: Add em_dev_update_chip_binning() :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: powerpc64-randconfig-r071-20240315 (https://download.01.org/0day-ci/archive/20240316/202403160905.OfEMtk76-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 13.2.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202403160905.OfEMtk76-lkp@intel.com/ smatch warnings: kernel/power/energy_model.c:824 em_dev_update_chip_binning() error: uninitialized symbol 'ret'. vim +/ret +824 kernel/power/energy_model.c 3114fc30ea7e1fd Lukasz Luba 2024-03-14 800 3114fc30ea7e1fd Lukasz Luba 2024-03-14 801 /** 3114fc30ea7e1fd Lukasz Luba 2024-03-14 802 * em_dev_update_chip_binning() - Update Energy Model with new values after 3114fc30ea7e1fd Lukasz Luba 2024-03-14 803 * the new voltage information is present in the OPPs. 3114fc30ea7e1fd Lukasz Luba 2024-03-14 804 * @dev : Device for which the Energy Model has to be updated. 3114fc30ea7e1fd Lukasz Luba 2024-03-14 805 * 3114fc30ea7e1fd Lukasz Luba 2024-03-14 806 * This function allows to update easily the EM with new values available in 3114fc30ea7e1fd Lukasz Luba 2024-03-14 807 * the OPP framework and DT. It can be used after the chip has been properly 3114fc30ea7e1fd Lukasz Luba 2024-03-14 808 * verified by device drivers and the voltages adjusted for the 'chip binning'. 3114fc30ea7e1fd Lukasz Luba 2024-03-14 809 * It uses the "dynamic-power-coefficient" DT property to calculate the power 3114fc30ea7e1fd Lukasz Luba 2024-03-14 810 * values for EM. For power calculation it uses the new adjusted voltage 3114fc30ea7e1fd Lukasz Luba 2024-03-14 811 * values known for OPPs, which might be changed after boot. 3114fc30ea7e1fd Lukasz Luba 2024-03-14 812 */ 3114fc30ea7e1fd Lukasz Luba 2024-03-14 813 int em_dev_update_chip_binning(struct device *dev) 3114fc30ea7e1fd Lukasz Luba 2024-03-14 814 { 3114fc30ea7e1fd Lukasz Luba 2024-03-14 815 struct em_perf_table __rcu *em_table; 3114fc30ea7e1fd Lukasz Luba 2024-03-14 816 struct em_perf_domain *pd; 3114fc30ea7e1fd Lukasz Luba 2024-03-14 817 int i, ret; 3114fc30ea7e1fd Lukasz Luba 2024-03-14 818 3114fc30ea7e1fd Lukasz Luba 2024-03-14 819 if (IS_ERR_OR_NULL(dev)) 3114fc30ea7e1fd Lukasz Luba 2024-03-14 820 return -EINVAL; 3114fc30ea7e1fd Lukasz Luba 2024-03-14 821 3114fc30ea7e1fd Lukasz Luba 2024-03-14 822 pd = em_pd_get(dev); 3114fc30ea7e1fd Lukasz Luba 2024-03-14 823 if (!pd) { 3114fc30ea7e1fd Lukasz Luba 2024-03-14 @824 dev_warn(dev, "Couldn't find Energy Model %d\n", ret); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki