Hi Boris, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a1bffa48745afbb54cb4f873bba783b2ae8be042 commit: cd33c830448baf7b1e94da72eca069e3e1d050c9 media: rkvdec: Add the rkvdec driver date: 5 months ago config: x86_64-randconfig-a001-20200927 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a83eb048cb9a75da7a07a9d5318bbdbf54885c87) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd33c830448baf7b1e94da72eca069e3e1d050c9 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout cd33c830448baf7b1e94da72eca069e3e1d050c9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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/staging/media/rkvdec/rkvdec.c:967:34: warning: unused variable 'of_rkvdec_match' [-Wunused-const-variable] static const struct of_device_id of_rkvdec_match[] = { ^ 1 warning generated. vim +/of_rkvdec_match +967 drivers/staging/media/rkvdec/rkvdec.c 966 > 967 static const struct of_device_id of_rkvdec_match[] = { 968 { .compatible = "rockchip,rk3399-vdec" }, 969 { /* sentinel */ } 970 }; 971 MODULE_DEVICE_TABLE(of, of_rkvdec_match); 972 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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