Hi "Michał, I love your patch! Perhaps something to improve: [auto build test WARNING on power-supply/for-next] [also build test WARNING on linus/master v5.6 next-20200403] [cannot apply to linux/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Micha-Miros-aw/power-supply-bq25890-fix-and-extend/20200404-010738 base: https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next config: parisc-allyesconfig (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag Reported-by: kbuild test robot All warnings (new ones prefixed by >>): >> drivers/power/supply/bq25890_charger.c:692:16: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 692 | .properties = bq25890_power_supply_props, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/const +692 drivers/power/supply/bq25890_charger.c 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 688 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 689 static const struct power_supply_desc bq25890_power_supply_desc = { 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 690 .name = "bq25890-charger", 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 691 .type = POWER_SUPPLY_TYPE_USB, 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 @692 .properties = bq25890_power_supply_props, 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 693 .num_properties = ARRAY_SIZE(bq25890_power_supply_props), 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 694 .get_property = bq25890_power_supply_get_property, 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 695 }; 4aeae9cb0dad11 drivers/power/bq25890_charger.c Laurentiu Palcu 2015-05-19 696 :::::: The code at line 692 was first introduced by commit :::::: 4aeae9cb0dad117f055add68c48decaf489aecf3 power_supply: Add support for TI BQ25890 charger chip :::::: TO: Laurentiu Palcu :::::: CC: Sebastian Reichel --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org