Hi Moudy, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 38c1e0c65865426676123cc9a127526fa02bcac6 commit: 61890ccaefaff89f5babd2c8412fd222c3f5fe38 media: platform: mtk-mdp3: add MediaTek MDP3 driver date: 5 months ago config: hexagon-randconfig-r024-20230210 (https://download.01.org/0day-ci/archive/20230210/202302101603.xNtJ8p91-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db0e6591612b53910a1b366863348bdb9d7d2fb1) 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=61890ccaefaff89f5babd2c8412fd222c3f5fe38 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 61890ccaefaff89f5babd2c8412fd222c3f5fe38 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/media/platform/mediatek/mdp3/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302101603.xNtJ8p91-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c:49:34: warning: unused variable 'mdp_of_ids' [-Wunused-const-variable] static const struct of_device_id mdp_of_ids[] = { ^ 1 warning generated. -- >> drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:607:34: warning: unused variable 'mdp_comp_dt_ids' [-Wunused-const-variable] static const struct of_device_id mdp_comp_dt_ids[] = { ^ >> drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:627:34: warning: unused variable 'mdp_sub_comp_dt_ids' [-Wunused-const-variable] static const struct of_device_id mdp_sub_comp_dt_ids[] = { ^ 2 warnings generated. vim +/mdp_of_ids +49 drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c 48 > 49 static const struct of_device_id mdp_of_ids[] = { 50 { .compatible = "mediatek,mt8183-mdp3-rdma", 51 .data = &mt8183_mdp_driver_data, 52 }, 53 {}, 54 }; 55 MODULE_DEVICE_TABLE(of, mdp_of_ids); 56 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
