Hi Jagath, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v5.18-rc3 next-20220420] [cannot apply to linux/master] [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/intel-lab-lkp/linux/commits/Jagath-Jog-J/iio-accel-bma400-Add-buffer-step-and-activity-inactivity/20220421-051244 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: mips-randconfig-r031-20220420 (https://download.01.org/0day-ci/archive/20220421/202204211211.febbJ6fy-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/b33d9910aa7588ec8db7c1694dbc03c3ed200ebb git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jagath-Jog-J/iio-accel-bma400-Add-buffer-step-and-activity-inactivity/20220421-051244 git checkout b33d9910aa7588ec8db7c1694dbc03c3ed200ebb # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/iio/accel/ 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/accel/bma400_core.c:1047:17: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((msk), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (msk)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] field_value = FIELD_PREP(msk, state); ^~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:114:3: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:71:53: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ include/linux/build_bug.h:39:58: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ drivers/iio/accel/bma400_core.c:1053:17: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((msk), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (msk)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] field_value = FIELD_PREP(msk, state); ^~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:114:3: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:71:53: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ include/linux/build_bug.h:39:58: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ include/linux/compiler_types.h:352:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:340:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:332:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ 2 warnings generated. vim +1047 drivers/iio/accel/bma400_core.c 1035 1036 static int bma400_activity_event_en(struct bma400_data *data, 1037 enum iio_event_direction dir, 1038 int state) 1039 { 1040 int ret, reg, msk, value, field_value; 1041 1042 switch (dir) { 1043 case IIO_EV_DIR_RISING: 1044 reg = BMA400_GEN1INT_CONFIG0; 1045 msk = BMA400_INT_GEN1_MSK; 1046 value = 2; > 1047 field_value = FIELD_PREP(msk, state); 1048 break; 1049 case IIO_EV_DIR_FALLING: 1050 reg = BMA400_GEN2INT_CONFIG0; 1051 msk = BMA400_INT_GEN2_MSK; 1052 value = 0; 1053 field_value = FIELD_PREP(msk, state); 1054 break; 1055 default: 1056 return -EINVAL; 1057 } 1058 1059 /* Enabling all axis for interrupt evaluation */ 1060 ret = regmap_write(data->regmap, reg, 0xF8); 1061 if (ret) 1062 return ret; 1063 1064 /* OR combination of all axis for interrupt evaluation */ 1065 ret = regmap_write(data->regmap, reg + BMA400_GEN_CONFIG1_OFF, value); 1066 if (ret) 1067 return ret; 1068 1069 /* Initial value to avoid interrupts while enabling*/ 1070 ret = regmap_write(data->regmap, reg + BMA400_GEN_CONFIG2_OFF, 0x0A); 1071 if (ret) 1072 return ret; 1073 1074 /* Initial duration value to avoid interrupts while enabling*/ 1075 ret = regmap_write(data->regmap, reg + BMA400_GEN_CONFIG31_OFF, 0x0F); 1076 if (ret) 1077 return ret; 1078 1079 ret = regmap_update_bits(data->regmap, BMA400_INT1_MAP_REG, msk, 1080 field_value); 1081 if (ret) 1082 return ret; 1083 1084 ret = regmap_update_bits(data->regmap, BMA400_INT_CONFIG0_REG, msk, 1085 field_value); 1086 if (ret) 1087 return ret; 1088 1089 set_mask_bits(&data->generic_event_en, msk, field_value); 1090 return 0; 1091 } 1092 -- 0-DAY CI Kernel Test Service https://01.org/lkp
