Hi Petko, I love your patch! Perhaps something to improve: [auto build test WARNING on 2b891d3980f6c255459d0e1c29ce2152ec7cf678] url: https://github.com/0day-ci/linux/commits/Petko-Manolov/media-ovm6211-Adds-support-for-OVM6211/20220309-182333 base: 2b891d3980f6c255459d0e1c29ce2152ec7cf678 config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20220310/202203102030.LBUi85M1-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 276ca87382b8f16a65bddac700202924228982f6) 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/0day-ci/linux/commit/4894c38df725fcab9dc9ac03d8cffa97971279b7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Petko-Manolov/media-ovm6211-Adds-support-for-OVM6211/20220309-182333 git checkout 4894c38df725fcab9dc9ac03d8cffa97971279b7 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/media/i2c/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/i2c/ovm6211.c:993:35: warning: unused variable 'ovm6211_id' [-Wunused-const-variable] static const struct i2c_device_id ovm6211_id[] = { ^ 1 warning generated. vim +/ovm6211_id +993 drivers/media/i2c/ovm6211.c 992 > 993 static const struct i2c_device_id ovm6211_id[] = { 994 { "ovm6211", 0 }, 995 {}, 996 }; 997 MODULE_DEVICE_TABLE(i2c, ovm6211_id); 998 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx