Hi Dongcheng, kernel test robot noticed the following build warnings: [auto build test WARNING on media-tree/master] [also build test WARNING on sailus-media-tree/master linuxtv-media-stage/master linus/master v6.9-rc6 next-20240430] [cannot apply to sailus-media-tree/streams] [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/Dongcheng-Yan/media-i2c-Add-ar0234-camera-sensor-driver/20240430-133240 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/20240429051333.1306453-1-dongcheng.yan%40intel.com patch subject: [PATCH v2] media: i2c: Add ar0234 camera sensor driver config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20240430/202404302344.158Y810h-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240430/202404302344.158Y810h-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/202404302344.158Y810h-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/media/i2c/ar0234.c:1032:36: warning: 'ar0234_acpi_ids' defined but not used [-Wunused-const-variable=] 1032 | static const struct acpi_device_id ar0234_acpi_ids[] = { | ^~~~~~~~~~~~~~~ vim +/ar0234_acpi_ids +1032 drivers/media/i2c/ar0234.c 1031 > 1032 static const struct acpi_device_id ar0234_acpi_ids[] = { 1033 { "INTC10C0" }, 1034 {} 1035 }; 1036 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
