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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/Victor-Chernyakin/iio-prepare-iio_format_value-to-handle-higher-precision-IIO_VAL_DECIMAL64_-formats/20261106-094026 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/SN1PR12MB2528BA7C696815089DCAD02FA5762%40SN1PR12MB2528.namprd12.prod.outlook.com patch subject: [PATCH v5 4/4] iio: cdc: add Texas Instruments FDC1004 driver config: nios2-randconfig-1000-20261107 (https://download.01.org/0day-ci/archive/20261107/202611070503.6fdgeWCZ-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261107/202611070503.6fdgeWCZ-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202611070503.6fdgeWCZ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iio/cdc/fdc1004.c:67:10: warning: integer overflow in expression of type 'long int' results in '-1246822400' [-Woverflow] -0x8000 * 488281250L, /* min */ ^ drivers/iio/cdc/fdc1004.c:69:10: warning: integer overflow in expression of type 'long int' results in '758541150' [-Woverflow] +0x7FFF * 488281250L, /* max */ ^ vim +67 drivers/iio/cdc/fdc1004.c 59 60 /* 61 * OFFSET_CAL_CINn: 16 bits, signed. Format: IIO_VAL_DECIMAL64_FEMTO. 62 * 1 step = 1/(2^11) pF = 1/(1000 * 2^11) nF = 0.000000488281250 nF. 63 * Negative values are used to cancel out any parasitic capacitance 64 * of the sensor's external circuitry. 65 */ 66 static const s64 fdc1004_calibbias[] = { > 67 -0x8000 * 488281250L, /* min */ 68 +0x0001 * 488281250L, /* step */ 69 +0x7FFF * 488281250L, /* max */ 70 }; 71 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki