Hi Jian, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on power-supply/for-next] [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] url: https://github.com/0day-ci/linux/commits/Jian-Dong/power-supply-Constify-static-psy_tzd_ops-struct/20210121-020328 base: https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next config: x86_64-randconfig-s022-20210120 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-208-g46a52ca4-dirty # https://github.com/0day-ci/linux/commit/250990c10e4f818c6fda0c43f489a5e7559bdb9c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jian-Dong/power-supply-Constify-static-psy_tzd_ops-struct/20210121-020328 git checkout 250990c10e4f818c6fda0c43f489a5e7559bdb9c # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot "sparse warnings: (new ones prefixed by >>)" >> drivers/power/supply/power_supply_core.c:970:53: sparse: sparse: incorrect type in argument 5 (different modifiers) @@ expected struct thermal_zone_device_ops * @@ got struct thermal_zone_device_ops const * @@ drivers/power/supply/power_supply_core.c:970:53: sparse: expected struct thermal_zone_device_ops * drivers/power/supply/power_supply_core.c:970:53: sparse: got struct thermal_zone_device_ops const * vim +970 drivers/power/supply/power_supply_core.c 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 958 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 959 static int psy_register_thermal(struct power_supply *psy) 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 960 { bbcf90c0646ac797 drivers/power/supply/power_supply_core.c Andrzej Pietrasiewicz 2020-06-29 961 int i, ret; 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 962 297d716f6260cc94 drivers/power/power_supply_core.c Krzysztof Kozlowski 2015-03-12 963 if (psy->desc->no_thermal) a69d82b9bdf1e53e drivers/power/power_supply_core.c Krzysztof Kozlowski 2014-10-07 964 return 0; a69d82b9bdf1e53e drivers/power/power_supply_core.c Krzysztof Kozlowski 2014-10-07 965 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 966 /* Register battery zone device psy reports temperature */ 297d716f6260cc94 drivers/power/power_supply_core.c Krzysztof Kozlowski 2015-03-12 967 for (i = 0; i < psy->desc->num_properties; i++) { 297d716f6260cc94 drivers/power/power_supply_core.c Krzysztof Kozlowski 2015-03-12 968 if (psy->desc->properties[i] == POWER_SUPPLY_PROP_TEMP) { 297d716f6260cc94 drivers/power/power_supply_core.c Krzysztof Kozlowski 2015-03-12 969 psy->tzd = thermal_zone_device_register(psy->desc->name, 297d716f6260cc94 drivers/power/power_supply_core.c Krzysztof Kozlowski 2015-03-12 @970 0, 0, psy, &psy_tzd_ops, NULL, 0, 0); bbcf90c0646ac797 drivers/power/supply/power_supply_core.c Andrzej Pietrasiewicz 2020-06-29 971 if (IS_ERR(psy->tzd)) bbcf90c0646ac797 drivers/power/supply/power_supply_core.c Andrzej Pietrasiewicz 2020-06-29 972 return PTR_ERR(psy->tzd); bbcf90c0646ac797 drivers/power/supply/power_supply_core.c Andrzej Pietrasiewicz 2020-06-29 973 ret = thermal_zone_device_enable(psy->tzd); bbcf90c0646ac797 drivers/power/supply/power_supply_core.c Andrzej Pietrasiewicz 2020-06-29 974 if (ret) bbcf90c0646ac797 drivers/power/supply/power_supply_core.c Andrzej Pietrasiewicz 2020-06-29 975 thermal_zone_device_unregister(psy->tzd); bbcf90c0646ac797 drivers/power/supply/power_supply_core.c Andrzej Pietrasiewicz 2020-06-29 976 return ret; 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 977 } 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 978 } 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 979 return 0; 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 980 } 3be330bf8860dc60 drivers/power/power_supply_core.c Jenny TC 2012-05-09 981 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org