Re: [RFC PATCH 3/6] iio: test: test gain-time-scale helpers

[kernel test robot <lkp@intel.com>]

Hi Matti,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on 5dc4c995db9eb45f6373a956eb1f69460e69e6d4]

url:    https://github.com/intel-lab-lkp/linux/commits/Matti-Vaittinen/dt-bindings-iio-light-Support-ROHM-BU27034/20230223-001713
base:   5dc4c995db9eb45f6373a956eb1f69460e69e6d4
patch link:    https://lore.kernel.org/r/5e1fdcd95544d40432adbb4ecd380da97a7d93ea.1677080089.git.mazziesaccount%40gmail.com
patch subject: [RFC PATCH 3/6] iio: test: test gain-time-scale helpers
config: mips-randconfig-r002-20230222 (https://download.01.org/0day-ci/archive/20230223/202302231137.HIdqv0Cu-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/f4645e8e5df1385d6ed12c4a6cc3dd44c28eabe3
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Matti-Vaittinen/dt-bindings-iio-light-Support-ROHM-BU27034/20230223-001713
        git checkout f4645e8e5df1385d6ed12c4a6cc3dd44c28eabe3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/iio/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302231137.HIdqv0Cu-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/iio/light/gain-time-scale-helper.c:12:
>> drivers/iio/light/gain-time-scale-helper.h:7:9: warning: '__GAIN_TIME_SCALE_HELPER__' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
   #ifndef __GAIN_TIME_SCALE_HELPER__
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/iio/light/gain-time-scale-helper.h:8:9: note: '___GAIN_TIME_SCALE_HELPER__' is defined here; did you mean '__GAIN_TIME_SCALE_HELPER__'?
   #define ___GAIN_TIME_SCALE_HELPER__
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~
           __GAIN_TIME_SCALE_HELPER__
   1 warning generated.
--
   In file included from drivers/iio/test/iio-test-gts.c:8:
>> drivers/iio/test/../light/gain-time-scale-helper.h:7:9: warning: '__GAIN_TIME_SCALE_HELPER__' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
   #ifndef __GAIN_TIME_SCALE_HELPER__
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/iio/test/../light/gain-time-scale-helper.h:8:9: note: '___GAIN_TIME_SCALE_HELPER__' is defined here; did you mean '__GAIN_TIME_SCALE_HELPER__'?
   #define ___GAIN_TIME_SCALE_HELPER__
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~
           __GAIN_TIME_SCALE_HELPER__
   1 warning generated.


vim +/__GAIN_TIME_SCALE_HELPER__ +7 drivers/iio/light/gain-time-scale-helper.h

356f494f7ee614 Matti Vaittinen 2023-02-22 @7  #ifndef __GAIN_TIME_SCALE_HELPER__
356f494f7ee614 Matti Vaittinen 2023-02-22  8  #define ___GAIN_TIME_SCALE_HELPER__
356f494f7ee614 Matti Vaittinen 2023-02-22  9  

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