linux-kernel - Re: [PATCH] cpufreq: drivers with target_index() must set freq

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Date:   Mon, 3 Apr 2023 19:26:58 +0800
From:   kernel test robot <lkp@...el.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Yajun Deng <yajun.deng@...ux.dev>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: drivers with target_index() must set freq_table

Hi Viresh,

I love your patch! Perhaps something to improve:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on linus/master v6.3-rc5 next-20230331]
[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/Viresh-Kumar/cpufreq-drivers-with-target_index-must-set-freq_table/20230403-121021
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/53d4ed4e5b18a59a48790434f8146fb207e11c49.1680494945.git.viresh.kumar%40linaro.org
patch subject: [PATCH] cpufreq: drivers with target_index() must set freq_table
config: i386-randconfig-a001-20230403 (https://download.01.org/0day-ci/archive/20230403/202304031904.mo4oksHT-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/3b521388b742e3d7b9bbba198655408c6d152579
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Viresh-Kumar/cpufreq-drivers-with-target_index-must-set-freq_table/20230403-121021
        git checkout 3b521388b742e3d7b9bbba198655408c6d152579
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/cpufreq/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304031904.mo4oksHT-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/cpufreq/cpufreq.c:76:6: warning: no previous prototype for function 'has_target_index' [-Wmissing-prototypes]
   bool has_target_index(void)
        ^
   drivers/cpufreq/cpufreq.c:76:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   bool has_target_index(void)
   ^
   static 
   1 warning generated.


vim +/has_target_index +76 drivers/cpufreq/cpufreq.c

    75	
  > 76	bool has_target_index(void)
    77	{
    78		return !!cpufreq_driver->target_index;
    79	}
    80	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests