Hi Abhash, kernel test robot noticed the following build errors: [auto build test ERROR on jic23-iio/togreg] [also build test ERROR on linus/master v6.11-rc1 next-20240729] [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/Abhash-Jha/iio-light-ltr390-Add-configurable-gain-and-resolution/20240729-222433 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20240729115056.355466-2-abhashkumarjha123%40gmail.com patch subject: [PATCH v3 1/3] iio: light: ltr390: Add configurable gain and resolution config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240730/202407301035.KehnJ97o-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240730/202407301035.KehnJ97o-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/202407301035.KehnJ97o-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/iio/light/ltr390.c: In function 'ltr390_set_int_time': >> drivers/iio/light/ltr390.c:42:41: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration] 42 | #define LTR390_ALS_UVS_INT_TIME(x) FIELD_PREP(LTR390_ALS_UVS_INT_TIME_MASK, (x)) | ^~~~~~~~~~ drivers/iio/light/ltr390.c:171:41: note: in expansion of macro 'LTR390_ALS_UVS_INT_TIME' 171 | LTR390_ALS_UVS_INT_TIME(idx)); | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/FIELD_PREP +42 drivers/iio/light/ltr390.c 38 39 #define LTR390_PART_NUMBER_ID 0xb 40 #define LTR390_ALS_UVS_GAIN_MASK 0x07 41 #define LTR390_ALS_UVS_INT_TIME_MASK 0x70 > 42 #define LTR390_ALS_UVS_INT_TIME(x) FIELD_PREP(LTR390_ALS_UVS_INT_TIME_MASK, (x)) 43 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
