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SubjectRe: [PATCH v4 9/9] iio: accel: bma400: Add support for activity and inactivity events
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@intel.com/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@intel.com>

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

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