Re: [PATCH 1/2] drm/i915: constify pointers to hwmon_channel_info

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

Hi Krzysztof,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.3-rc5 next-20230406]
[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/Krzysztof-Kozlowski/drm-nouveau-constify-pointers-to-hwmon_channel_info/20230407-230201
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
patch link:    https://lore.kernel.org/r/20230407150031.79749-1-krzysztof.kozlowski%40linaro.org
patch subject: [PATCH 1/2] drm/i915: constify pointers to hwmon_channel_info
config: i386-randconfig-a002-20230403 (https://download.01.org/0day-ci/archive/20230408/202304080226.gWUGJ4GU-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/fc5ea3eef62b29fa9968510db0401656ebce03cc
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Krzysztof-Kozlowski/drm-nouveau-constify-pointers-to-hwmon_channel_info/20230407-230201
        git checkout fc5ea3eef62b29fa9968510db0401656ebce03cc
        # 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/gpu/drm/i915/

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/202304080226.gWUGJ4GU-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_hwmon.c:617:10: error: initializing 'const struct hwmon_channel_info **' with an expression of type 'const struct hwmon_channel_info *const[5]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           .info = hwm_info,
                   ^~~~~~~~
   drivers/gpu/drm/i915/i915_hwmon.c:655:10: error: initializing 'const struct hwmon_channel_info **' with an expression of type 'const struct hwmon_channel_info *const[2]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           .info = hwm_gt_info,
                   ^~~~~~~~~~~
   2 errors generated.


vim +617 drivers/gpu/drm/i915/i915_hwmon.c

b3b088e28183b8 Dale B Stimson 2022-10-13  614  
b3b088e28183b8 Dale B Stimson 2022-10-13  615  static const struct hwmon_chip_info hwm_chip_info = {
b3b088e28183b8 Dale B Stimson 2022-10-13  616  	.ops = &hwm_ops,
b3b088e28183b8 Dale B Stimson 2022-10-13 @617  	.info = hwm_info,
b3b088e28183b8 Dale B Stimson 2022-10-13  618  };
b3b088e28183b8 Dale B Stimson 2022-10-13  619  

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