Hi LI, Thank you for the patch! Yet something to improve: [auto build test ERROR on jic23-iio/togreg] [also build test ERROR on v5.18 next-20220525] [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/LI-Qingwu/iio-accel-bmi088-support-BMI085-BMI090L/20220525-211157 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: x86_64-randconfig-a016 (https://download.01.org/0day-ci/archive/20220526/202205260151.TTnXYfeD-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d52a6e75b0c402c7f3b42a2b1b2873f151220947) 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/intel-lab-lkp/linux/commit/71cdfb0a9a6ddbf8737a46bc6161fb921b1ac2f4 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review LI-Qingwu/iio-accel-bmi088-support-BMI085-BMI090L/20220525-211157 git checkout 71cdfb0a9a6ddbf8737a46bc6161fb921b1ac2f4 # 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=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/iio/accel/bmi088-accel-core.c:341:10: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] reg = FIELD_GET(BMIO088_ACCEL_ACC_RANGE_MSK, reg); ^ 1 error generated. vim +/FIELD_GET +341 drivers/iio/accel/bmi088-accel-core.c 278 279 static int bmi088_accel_read_raw(struct iio_dev *indio_dev, 280 struct iio_chan_spec const *chan, 281 int *val, int *val2, long mask) 282 { 283 struct bmi088_accel_data *data = iio_priv(indio_dev); 284 struct device *dev = regmap_get_device(data->regmap); 285 int ret; 286 int reg; 287 288 switch (mask) { 289 case IIO_CHAN_INFO_RAW: 290 switch (chan->type) { 291 case IIO_TEMP: 292 ret = pm_runtime_resume_and_get(dev); 293 if (ret) 294 return ret; 295 296 ret = bmi088_accel_get_temp(data, val); 297 goto out_read_raw_pm_put; 298 case IIO_ACCEL: 299 ret = pm_runtime_resume_and_get(dev); 300 if (ret) 301 return ret; 302 303 ret = iio_device_claim_direct_mode(indio_dev); 304 if (ret) 305 goto out_read_raw_pm_put; 306 307 ret = bmi088_accel_get_axis(data, chan, val); 308 iio_device_release_direct_mode(indio_dev); 309 if (!ret) 310 ret = IIO_VAL_INT; 311 312 goto out_read_raw_pm_put; 313 default: 314 return -EINVAL; 315 } 316 case IIO_CHAN_INFO_OFFSET: 317 switch (chan->type) { 318 case IIO_TEMP: 319 /* Offset applies before scale */ 320 *val = BMI088_ACCEL_TEMP_OFFSET/BMI088_ACCEL_TEMP_UNIT; 321 return IIO_VAL_INT; 322 default: 323 return -EINVAL; 324 } 325 case IIO_CHAN_INFO_SCALE: 326 switch (chan->type) { 327 case IIO_TEMP: 328 /* 0.125 degrees per LSB */ 329 *val = BMI088_ACCEL_TEMP_UNIT; 330 return IIO_VAL_INT; 331 case IIO_ACCEL: 332 ret = pm_runtime_resume_and_get(dev); 333 if (ret) 334 return ret; 335 336 ret = regmap_read(data->regmap, 337 BMI088_ACCEL_REG_ACC_RANGE, ®); 338 if (ret) 339 goto out_read_raw_pm_put; 340 > 341 reg = FIELD_GET(BMIO088_ACCEL_ACC_RANGE_MSK, reg); 342 *val = data->chip_info->scale_table[reg][0]; 343 *val2 = data->chip_info->scale_table[reg][1]; 344 ret = IIO_VAL_INT_PLUS_MICRO; 345 346 goto out_read_raw_pm_put; 347 default: 348 return -EINVAL; 349 } 350 case IIO_CHAN_INFO_SAMP_FREQ: 351 ret = pm_runtime_resume_and_get(dev); 352 if (ret) 353 return ret; 354 355 ret = bmi088_accel_get_sample_freq(data, val, val2); 356 goto out_read_raw_pm_put; 357 default: 358 break; 359 } 360 361 return -EINVAL; 362 363 out_read_raw_pm_put: 364 pm_runtime_mark_last_busy(dev); 365 pm_runtime_put_autosuspend(dev); 366 367 return ret; 368 } 369 -- 0-DAY CI Kernel Test Service https://01.org/lkp