Hi Michael, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: daadb3bd0e8d3e317e36bc2c1542e86c528665e5 commit: d74d4e2359ec7985831192f9b5ee22ed5e55b81c media: allegro: move driver out of staging date: 1 year ago config: mips-buildonly-randconfig-r004-20220112 (https://download.01.org/0day-ci/archive/20220112/202201122143.NO6WA9tr-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 244dd2913a43a200f5a6544d424cdc37b771028b) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d74d4e2359ec7985831192f9b5ee22ed5e55b81c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d74d4e2359ec7985831192f9b5ee22ed5e55b81c # 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=mips SHELL=/bin/bash drivers/media/platform/allegro-dvt/ 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/platform/allegro-dvt/allegro-core.c:3206:34: warning: unused variable 'allegro_dt_ids' [-Wunused-const-variable] static const struct of_device_id allegro_dt_ids[] = { ^ 1 warning generated. vim +/allegro_dt_ids +3206 drivers/media/platform/allegro-dvt/allegro-core.c f20387dfd065693 drivers/staging/media/allegro-dvt/allegro-core.c Michael Tretter 2019-05-28 3205 f20387dfd065693 drivers/staging/media/allegro-dvt/allegro-core.c Michael Tretter 2019-05-28 @3206 static const struct of_device_id allegro_dt_ids[] = { f20387dfd065693 drivers/staging/media/allegro-dvt/allegro-core.c Michael Tretter 2019-05-28 3207 { .compatible = "allegro,al5e-1.1" }, f20387dfd065693 drivers/staging/media/allegro-dvt/allegro-core.c Michael Tretter 2019-05-28 3208 { /* sentinel */ } f20387dfd065693 drivers/staging/media/allegro-dvt/allegro-core.c Michael Tretter 2019-05-28 3209 }; f20387dfd065693 drivers/staging/media/allegro-dvt/allegro-core.c Michael Tretter 2019-05-28 3210 :::::: The code at line 3206 was first introduced by commit :::::: f20387dfd065693ba7ea2788a2f893bf653c9cb8 media: allegro: add Allegro DVT video IP core driver :::::: TO: Michael Tretter <m.tretter@xxxxxxxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
