Hi Chris, kernel test robot noticed the following build errors: [auto build test ERROR on groeck-staging/hwmon-next] [also build test ERROR on linus/master v6.3-rc7] [cannot apply to next-20230420] [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/Chris-Packham/hwmon-adt7475-Use-device_property-APIs-when-configuring-polarity/20230419-074117 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20230418233656.869055-3-chris.packham%40alliedtelesis.co.nz patch subject: [PATCH v2 2/2] hwmon: (adt7475) Convert to use device_property APIs config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20230421/202304211232.U03a7306-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/59836340c66130951595e2adebf284eca3063ccd git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Chris-Packham/hwmon-adt7475-Use-device_property-APIs-when-configuring-polarity/20230419-074117 git checkout 59836340c66130951595e2adebf284eca3063ccd # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/hwmon/ drivers/net/ethernet/intel/ice/ kernel/rcu/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304211232.U03a7306-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/hwmon/adt7475.c:1471:36: error: passing 'const struct device *' to parameter of type 'struct device *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] ret = device_property_read_string(&client->dev, propname, &function); ^~~~~~~~~~~~ include/linux/property.h:54:48: note: passing argument to parameter 'dev' here int device_property_read_string(struct device *dev, const char *propname, ^ drivers/hwmon/adt7475.c:1497:36: error: passing 'const struct device *' to parameter of type 'struct device *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] ret = device_property_read_string(&client->dev, propname, &function); ^~~~~~~~~~~~ include/linux/property.h:54:48: note: passing argument to parameter 'dev' here int device_property_read_string(struct device *dev, const char *propname, ^ drivers/hwmon/adt7475.c:1559:37: error: passing 'const struct device *' to parameter of type 'struct device *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] int ret = device_property_read_u32(&client->dev, property, ^~~~~~~~~~~~ include/linux/property.h:164:59: note: passing argument to parameter 'dev' here static inline int device_property_read_u32(struct device *dev, ^ 3 errors generated. vim +1471 drivers/hwmon/adt7475.c 1464 1465 static int load_config3(const struct i2c_client *client, const char *propname) 1466 { 1467 const char *function; 1468 u8 config3; 1469 int ret; 1470 > 1471 ret = device_property_read_string(&client->dev, propname, &function); 1472 if (!ret) { 1473 ret = adt7475_read(REG_CONFIG3); 1474 if (ret < 0) 1475 return ret; 1476 1477 config3 = ret & ~CONFIG3_SMBALERT; 1478 if (!strcmp("pwm2", function)) 1479 ; 1480 else if (!strcmp("smbalert#", function)) 1481 config3 |= CONFIG3_SMBALERT; 1482 else 1483 return -EINVAL; 1484 1485 return i2c_smbus_write_byte_data(client, REG_CONFIG3, config3); 1486 } 1487 1488 return 0; 1489 } 1490 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests