Re: [PATCH] nvme: host: hwmon: 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 groeck-staging/hwmon-next]
[also build test ERROR on axboe-block/for-next 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/nvme-host-hwmon-constify-pointers-to-hwmon_channel_info/20230407-230001
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link:    https://lore.kernel.org/r/20230407145845.79557-1-krzysztof.kozlowski%40linaro.org
patch subject: [PATCH] nvme: host: hwmon: constify pointers to hwmon_channel_info
config: i386-randconfig-a001-20230403 (https://download.01.org/0day-ci/archive/20230408/202304080224.0YKfRdwi-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/a92019809fb469cc9c9f751cee4cfaad054ddb48
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Krzysztof-Kozlowski/nvme-host-hwmon-constify-pointers-to-hwmon_channel_info/20230407-230001
        git checkout a92019809fb469cc9c9f751cee4cfaad054ddb48
        # 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/nvme/host/

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/202304080224.0YKfRdwi-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/nvme/host/hwmon.c:221:10: error: initializing 'const struct hwmon_channel_info **' with an expression of type 'const struct hwmon_channel_info *const[3]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           .info   = nvme_hwmon_info,
                     ^~~~~~~~~~~~~~~
   1 error generated.


vim +221 drivers/nvme/host/hwmon.c

400b6a7b13a3fd Guenter Roeck 2019-11-06  218  
400b6a7b13a3fd Guenter Roeck 2019-11-06  219  static const struct hwmon_chip_info nvme_hwmon_chip_info = {
400b6a7b13a3fd Guenter Roeck 2019-11-06  220  	.ops	= &nvme_hwmon_ops,
400b6a7b13a3fd Guenter Roeck 2019-11-06 @221  	.info	= nvme_hwmon_info,
400b6a7b13a3fd Guenter Roeck 2019-11-06  222  };
400b6a7b13a3fd Guenter Roeck 2019-11-06  223  

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https://github.com/intel/lkp-tests