Hi, kernel test robot noticed the following build errors: [auto build test ERROR on 1722389b0d863056d78287a120a1d6cadb8d4f7b] url: https://github.com/intel-lab-lkp/linux/commits/wangshuaijie-awinic-com/dt-bindings-iio-aw9610x-Add-bindings-for-aw9610x-sensor/20240726-141450 base: 1722389b0d863056d78287a120a1d6cadb8d4f7b patch link: https://lore.kernel.org/r/20240726061312.1371450-3-wangshuaijie%40awinic.com patch subject: [PATCH V5 2/2] iio: proximity: aw9610x: Add support for aw9610x proximity sensor config: alpha-randconfig-r053-20240802 (https://download.01.org/0day-ci/archive/20240803/202408030003.NYT1R5AU-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240803/202408030003.NYT1R5AU-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408030003.NYT1R5AU-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): alpha-linux-ld: drivers/iio/proximity/aw9610x.o: in function `aw9610x_ps_notify_callback': >> (.text+0x5b4): undefined reference to `power_supply_get_property' >> alpha-linux-ld: (.text+0x5c8): undefined reference to `power_supply_get_property' alpha-linux-ld: drivers/iio/proximity/aw9610x.o: in function `aw9610x_i2c_probe': >> (.text+0x870): undefined reference to `power_supply_unreg_notifier' >> alpha-linux-ld: (.text+0x878): undefined reference to `power_supply_unreg_notifier' >> alpha-linux-ld: (.text+0xb4c): undefined reference to `power_supply_reg_notifier' alpha-linux-ld: (.text+0xb98): undefined reference to `power_supply_reg_notifier' alpha-linux-ld: (.text+0xbac): undefined reference to `power_supply_unreg_notifier' alpha-linux-ld: (.text+0xbb8): undefined reference to `power_supply_unreg_notifier' alpha-linux-ld: drivers/iio/proximity/aw9610x.o: in function `aw9610x_i2c_remove': (.text+0xc18): undefined reference to `power_supply_unreg_notifier' alpha-linux-ld: (.text+0xc20): undefined reference to `power_supply_unreg_notifier' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki