Re: [PATCH v1] hwmon: drivetemp: support to be a platform driver for thermal_of

[kernel test robot]

Hi phinex,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on groeck-staging/hwmon-next]
[also build test WARNING on linus/master v6.3-rc2 next-20230315]
[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/phinex/hwmon-drivetemp-support-to-be-a-platform-driver-for-thermal_of/20230315-201903
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link:    https://lore.kernel.org/r/20230315121606.GA71707%40threadripper
patch subject: [PATCH v1] hwmon: drivetemp: support to be a platform driver for thermal_of
config: i386-randconfig-a012 (https://download.01.org/0day-ci/archive/20230316/202303160645.7Nrjce3N-lkp@xxxxxxxxx/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/1c53b683440a584685795fa8ff831379577081b0
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review phinex/hwmon-drivetemp-support-to-be-a-platform-driver-for-thermal_of/20230315-201903
        git checkout 1c53b683440a584685795fa8ff831379577081b0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/hwmon/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303160645.7Nrjce3N-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/hwmon/drivetemp.c:116:36: warning: 'tz' defined but not used [-Wunused-variable]
     116 | static struct thermal_zone_device *tz;
         |                                    ^~


vim +/tz +116 drivers/hwmon/drivetemp.c

   114	
   115	/*A single thermal_zone for all HDD sensors */
 > 116	static struct thermal_zone_device *tz;
   117	#define MAX_NAME_LEN 255
   118	

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