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Date:   Wed, 18 Jan 2023 23:47:58 +0800
From:   kernel test robot <lkp@intel.com>
To:     Perry Yuan <perry.yuan@amd.com>, rafael.j.wysocki@intel.com,
        Mario.Limonciello@amd.com, ray.huang@amd.com,
        viresh.kumar@linaro.org
Cc:     oe-kbuild-all@lists.linux.dev, Deepak.Sharma@amd.com,
        Nathan.Fontenot@amd.com, Alexander.Deucher@amd.com,
        Shimmer.Huang@amd.com, Xiaojian.Du@amd.com, Li.Meng@amd.com,
        wyes.karny@amd.com, linux-pm@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v11 04/11] cpufreq: amd-pstate: implement Pstate EPP
 support for the AMD processors
Message-ID: <202301182325.NoodiJ0K-lkp@intel.com>
References: <20230118075210.447418-5-perry.yuan@amd.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
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In-Reply-To: <20230118075210.447418-5-perry.yuan@amd.com>
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Hi Perry,

I love your patch! Perhaps something to improve:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on linus/master v6.2-rc4 next-20230118]
[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/Perry-Yuan/ACPI-CPPC-Add-AMD-pstate-energy-performance-preference-cppc-control/20230118-163633
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20230118075210.447418-5-perry.yuan%40amd.com
patch subject: [PATCH v11 04/11] cpufreq: amd-pstate: implement Pstate EPP support for the AMD processors
config: x86_64-randconfig-a013-20230116 (https://download.01.org/0day-ci/archive/20230118/202301182325.NoodiJ0K-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/d596b3586a809f4f6b65ec216c168b6f01c82f67
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Perry-Yuan/ACPI-CPPC-Add-AMD-pstate-energy-performance-preference-cppc-control/20230118-163633
        git checkout d596b3586a809f4f6b65ec216c168b6f01c82f67
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/cpufreq/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/cpufreq/amd-pstate-ut.c:29:
>> include/linux/amd-pstate.h:142:21: warning: 'epp_values' defined but not used [-Wunused-variable]
     142 | static unsigned int epp_values[] = {
         |                     ^~~~~~~~~~
>> include/linux/amd-pstate.h:133:27: warning: 'energy_perf_strings' defined but not used [-Wunused-const-variable=]
     133 | static const char * const energy_perf_strings[] = {
         |                           ^~~~~~~~~~~~~~~~~~~
   include/linux/amd-pstate.h:97:27: warning: 'amd_pstate_mode_string' defined but not used [-Wunused-const-variable=]
      97 | static const char * const amd_pstate_mode_string[] = {
         |                           ^~~~~~~~~~~~~~~~~~~~~~


vim +/epp_values +142 include/linux/amd-pstate.h

   132	
 > 133	static const char * const energy_perf_strings[] = {
   134		[EPP_INDEX_DEFAULT] = "default",
   135		[EPP_INDEX_PERFORMANCE] = "performance",
   136		[EPP_INDEX_BALANCE_PERFORMANCE] = "balance_performance",
   137		[EPP_INDEX_BALANCE_POWERSAVE] = "balance_power",
   138		[EPP_INDEX_POWERSAVE] = "power",
   139		NULL
   140	};
   141	
 > 142	static unsigned int epp_values[] = {

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