Hi Iskren, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on power-supply/for-next] [also build test WARNING on next-20200608] [cannot apply to v5.7] [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/Iskren-Chernev/dt-bindints-power-supply-Document-max17040-extensions/20200609-022950 base: https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next config: i386-randconfig-s002-20200607 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-247-gcadbd124-dirty # save the attached .config to linux build tree make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/power/supply/max17040_battery.c:65:18: sparse: sparse: symbol 'max17040_family' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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