Hi Cedric, kernel test robot noticed the following build warnings: [auto build test WARNING on 30a984c0c9d8c631cc135280f83c441d50096b6d] url: https://github.com/intel-lab-lkp/linux/commits/Cedric-Encarnacion/dt-bindings-trivial-devices-add-ltp8800/20241106-111734 base: 30a984c0c9d8c631cc135280f83c441d50096b6d patch link: https://lore.kernel.org/r/20241106030918.24849-3-cedricjustine.encarnacion%40analog.com patch subject: [PATCH v2 2/2] hwmon: pmbus: add driver for ltp8800-1a, ltp8800-4a, and ltp8800-2 config: x86_64-buildonly-randconfig-004-20241107 (https://download.01.org/0day-ci/archive/20241107/202411070232.xrxV7tVx-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241107/202411070232.xrxV7tVx-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/202411070232.xrxV7tVx-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/hwmon/pmbus/ltp8800.c:7: In file included from include/linux/i2c.h:19: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:21: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/hwmon/pmbus/ltp8800.c:12:36: warning: unused variable 'ltp8800_reg_desc' [-Wunused-const-variable] 12 | static const struct regulator_desc ltp8800_reg_desc[] = { | ^~~~~~~~~~~~~~~~ 2 warnings generated. vim +/ltp8800_reg_desc +12 drivers/hwmon/pmbus/ltp8800.c 11 > 12 static const struct regulator_desc ltp8800_reg_desc[] = { 13 PMBUS_REGULATOR("vout", 0), 14 }; 15 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
