Hi Cosmin, I love your patch! Perhaps something to improve: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on robh/for-next linus/master v5.16-rc2 next-20211126] [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/Cosmin-Tanislav/Add-AD74413R-driver/20211125-212256 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20211126/202111261848.357oHcvz-lkp@xxxxxxxxx/config) compiler: ia64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/fc77dddb39ba26db2e5f66817f9e12dc3191659d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Cosmin-Tanislav/Add-AD74413R-driver/20211125-212256 git checkout fc77dddb39ba26db2e5f66817f9e12dc3191659d # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/iio/addac/ad74413r.c: In function 'ad74413r_range_to_voltage_offset_raw': >> drivers/iio/addac/ad74413r.c:586:24: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709486081' to '-65535' [-Woverflow] 586 | *val = -AD74413R_ADC_RESULT_MAX; | ^ drivers/iio/addac/ad74413r.c:589:24: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '9223372036854743040' to '-32768' [-Woverflow] 589 | *val = -AD74413R_ADC_RESULT_MAX / 2; | ^ vim +586 drivers/iio/addac/ad74413r.c 576 577 static int ad74413r_range_to_voltage_offset_raw(struct ad74413r_state *st, 578 unsigned int range, int *val) 579 { 580 switch (range) { 581 case AD74413R_ADC_RANGE_10V: 582 case AD74413R_ADC_RANGE_2P5V_EXT_POW: 583 *val = 0; 584 return 0; 585 case AD74413R_ADC_RANGE_2P5V_INT_POW: > 586 *val = -AD74413R_ADC_RESULT_MAX; 587 return 0; 588 case AD74413R_ADC_RANGE_5V_BI_DIR: 589 *val = -AD74413R_ADC_RESULT_MAX / 2; 590 return 0; 591 default: 592 dev_err(st->dev, "ADC range invalid\n"); 593 return -EINVAL; 594 } 595 } 596 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
