Hi Leo, kernel test robot noticed the following build errors: [auto build test ERROR on groeck-staging/hwmon-next] [also build test ERROR on linus/master v6.13-rc6 next-20250109] [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/Leo-Yang/dt-bindings-Add-INA233-device/20250106-151934 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20250106071337.3017926-3-Leo-Yang%40quantatw.com patch subject: [PATCH 2/2] hwmon: Add driver for TI INA233 Current and Power Monitor config: i386-randconfig-r072-20250109 (https://download.01.org/0day-ci/archive/20250109/202501092213.X9mbPW5Q-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250109/202501092213.X9mbPW5Q-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202501092213.X9mbPW5Q-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/hwmon/pmbus/ina233.o: in function `calculate_coef': >> drivers/hwmon/pmbus/ina233.c:59: undefined reference to `__divdi3' vim +59 drivers/hwmon/pmbus/ina233.c 23 24 static int calculate_coef(int *m, int *R, bool power) 25 { 26 s64 scaled_m; 27 int scale_factor = 0; 28 int scale_coef = 1; 29 int power_coef = 1; 30 bool is_integer = false; 31 32 if (*m == 0) { 33 *R = 0; 34 return -1; 35 } 36 37 if (power) 38 power_coef = 25; 39 40 if (1000000 % *m) { 41 /* Default value, Scaling to keep integer precision, 42 * Change it if you need 43 */ 44 scale_factor = -3; 45 scale_coef = 1000; 46 } else { 47 is_integer = true; 48 } 49 50 /* 51 * Unit Conversion (Current_LSB A->uA) and use scaling(scale_factor) 52 * to keep integer precision. 53 * Formulae referenced from spec. 54 */ 55 scaled_m = div_s64(1000000 * scale_coef, *m * power_coef); 56 57 /* Maximize while keeping it bounded.*/ 58 while (scaled_m > MAX_M_VAL || scaled_m < MIN_M_VAL) { > 59 scaled_m /= 10; 60 scale_factor++; 61 } 62 /* Scale up only if fractional part exists. */ 63 while (scaled_m * 10 < MAX_M_VAL && scaled_m * 10 > MIN_M_VAL && !is_integer) { 64 scaled_m *= 10; 65 scale_factor--; 66 } 67 68 *m = scaled_m; 69 *R = scale_factor; 70 return 0; 71 } 72 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
