Re: [PATCH] w1: therm: constify pointers to hwmon_channel_info

Re: [PATCH] w1: therm: constify pointers to hwmon_channel_info

[kernel test robot]

Hi Krzysztof,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on 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/w1-therm-constify-pointers-to-hwmon_channel_info/20230407-230519
patch link:    https://lore.kernel.org/r/20230407150121.79887-1-krzysztof.kozlowski%40linaro.org
patch subject: [PATCH] w1: therm: constify pointers to hwmon_channel_info
config: x86_64-randconfig-a006-20230403 (https://download.01.org/0day-ci/archive/20230408/202304080221.hhAqNlpp-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/9db1d901e409a44fc2b6d59cc07a76018a085aee
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Krzysztof-Kozlowski/w1-therm-constify-pointers-to-hwmon_channel_info/20230407-230519
        git checkout 9db1d901e409a44fc2b6d59cc07a76018a085aee
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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/202304080221.hhAqNlpp-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/w1/slaves/w1_therm.c:469:10: 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 = w1_info,
                   ^~~~~~~
   1 error generated.


vim +469 drivers/w1/slaves/w1_therm.c

a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  466  
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  467  static const struct hwmon_chip_info w1_chip_info = {
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  468  	.ops = &w1_hwmon_ops,
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30 @469  	.info = w1_info,
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  470  };
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  471  #define W1_CHIPINFO	(&w1_chip_info)
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  472  #else
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  473  #define W1_CHIPINFO	NULL
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  474  #endif
a97db8818c7e8b Jaghathiswari Rankappagounder Natarajan 2017-08-30  475  

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