Hi Aleksa, I love your patch! Perhaps something to improve: [auto build test WARNING on groeck-staging/hwmon-next] [also build test WARNING on next-20220325] [cannot apply to v5.17] [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/Aleksa-Savic/hwmon-aquacomputer_d5next-Add-support-for-Aquacomputer-Octo/20220326-181328 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220326/202203262032.UaIhk6RY-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0f6d9501cf49ce02937099350d08f20c4af86f3d) 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/ffb6d76f23a93a5875a427d03dc6a67538277e19 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Aleksa-Savic/hwmon-aquacomputer_d5next-Add-support-for-Aquacomputer-Octo/20220326-181328 git checkout ffb6d76f23a93a5875a427d03dc6a67538277e19 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/hwmon/ 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/hwmon/aquacomputer_d5next.c:420:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] default: ^ drivers/hwmon/aquacomputer_d5next.c:420:3: note: insert 'break;' to avoid fall-through default: ^ break; drivers/hwmon/aquacomputer_d5next.c:489:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] default: ^ drivers/hwmon/aquacomputer_d5next.c:489:3: note: insert 'break;' to avoid fall-through default: ^ break; drivers/hwmon/aquacomputer_d5next.c:698:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] default: ^ drivers/hwmon/aquacomputer_d5next.c:698:2: note: insert 'break;' to avoid fall-through default: ^ break; 3 warnings generated. vim +420 drivers/hwmon/aquacomputer_d5next.c 389 390 static int aqc_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, 391 int channel, long *val) 392 { 393 int ret; 394 struct aqc_data *priv = dev_get_drvdata(dev); 395 396 if (time_after(jiffies, priv->updated + STATUS_UPDATE_INTERVAL)) 397 return -ENODATA; 398 399 switch (type) { 400 case hwmon_temp: 401 if (priv->temp_input[channel] == -ENODATA) 402 return -ENODATA; 403 404 *val = priv->temp_input[channel]; 405 break; 406 case hwmon_fan: 407 *val = priv->speed_input[channel]; 408 break; 409 case hwmon_power: 410 *val = priv->power_input[channel]; 411 break; 412 case hwmon_pwm: 413 switch (priv->kind) { 414 case octo: 415 ret = aqc_get_ctrl_val(priv, octo_ctrl_fan_offsets[channel]); 416 if (ret < 0) 417 return ret; 418 419 *val = aqc_percent_to_pwm(ret); > 420 default: 421 break; 422 } 423 break; 424 case hwmon_in: 425 *val = priv->voltage_input[channel]; 426 break; 427 case hwmon_curr: 428 *val = priv->current_input[channel]; 429 break; 430 default: 431 return -EOPNOTSUPP; 432 } 433 434 return 0; 435 } 436 -- 0-DAY CI Kernel Test Service https://01.org/lkp