Hi Li, kernel test robot noticed the following build warnings: [auto build test WARNING on lee-mfd/for-mfd-next] [also build test WARNING on robh/for-next groeck-staging/hwmon-next chrome-platform/for-next chrome-platform/for-firmware-next lee-mfd/for-mfd-fixes linus/master v6.12 next-20241121] [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/Sung-Chi-Li/platform-chrome-cros_ec_charge_state-add-new-driver-to-control-charge/20241121-112442 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next patch link: https://lore.kernel.org/r/20241118-add_charger_state-v1-1-94997079f35a%40chromium.org patch subject: [PATCH 1/3] platform/chrome: cros_ec_charge_state: add new driver to control charge config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20241121/202411212036.M5ujDUNV-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241121/202411212036.M5ujDUNV-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/202411212036.M5ujDUNV-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/platform/chrome/cros_ec_charge_state.c:198:40: warning: 'cros_ec_charge_state_id' defined but not used [-Wunused-const-variable=] 198 | static const struct platform_device_id cros_ec_charge_state_id[] = { | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/cros_ec_charge_state_id +198 drivers/platform/chrome/cros_ec_charge_state.c 197 > 198 static const struct platform_device_id cros_ec_charge_state_id[] = { 199 { DRV_NAME, 0 }, 200 {} 201 }; 202 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
