linux-kernel - Re: [PATCH] thermal: Add support for device tree thermal zones consumers

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Date:   Wed, 15 Nov 2023 23:01:59 +0800
From:   kernel test robot <lkp@...el.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, rafael@...nel.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        daniel.lezcano@...aro.org, rui.zhang@...el.com,
        lukasz.luba@....com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com,
        wenst@...omium.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH] thermal: Add support for device tree thermal zones
 consumers

Hi AngeloGioacchino,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rafael-pm/thermal]
[also build test WARNING on linus/master v6.7-rc1 next-20231115]
[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/AngeloGioacchino-Del-Regno/thermal-Add-support-for-device-tree-thermal-zones-consumers/20231114-211656
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git thermal
patch link:    https://lore.kernel.org/r/20231114131514.89031-1-angelogioacchino.delregno%40collabora.com
patch subject: [PATCH] thermal: Add support for device tree thermal zones consumers
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20231115/202311152242.dch1tAh5-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231115/202311152242.dch1tAh5-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311152242.dch1tAh5-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/cpufreq/cpufreq.c:19:
   In file included from include/linux/cpu_cooling.h:17:
>> include/linux/thermal.h:281:29: warning: no previous prototype for function 'thermal_of_get_zone_by_index' [-Wmissing-prototypes]
   struct thermal_zone_device *thermal_of_get_zone_by_index(struct device *dev, int index)
                               ^
   include/linux/thermal.h:281:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct thermal_zone_device *thermal_of_get_zone_by_index(struct device *dev, int index)
   ^
   static 
>> include/linux/thermal.h:286:29: warning: no previous prototype for function 'thermal_of_get_zone' [-Wmissing-prototypes]
   struct thermal_zone_device *thermal_of_get_zone(struct device *dev, const char *name)
                               ^
   include/linux/thermal.h:286:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct thermal_zone_device *thermal_of_get_zone(struct device *dev, const char *name)
   ^
   static 
   2 warnings generated.


vim +/thermal_of_get_zone_by_index +281 include/linux/thermal.h

   280	
 > 281	struct thermal_zone_device *thermal_of_get_zone_by_index(struct device *dev, int index)
   282	{
   283		return ERR_PTR(-EOPNOTSUPP);
   284	}
   285	
 > 286	struct thermal_zone_device *thermal_of_get_zone(struct device *dev, const char *name)
   287	{
   288		return ERR_PTR(-EOPNOTSUPP);
   289	}
   290	#endif
   291	

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