Hi Eugen, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3d7cb6b04c3f3115719235cc6866b10326de34cd commit: c9aa973884a163ecb6d5d4d3be9137058adcaf8c media: atmel: atmel-isc: add microchip-xisc driver date: 1 year, 2 months ago config: mips-randconfig-r024-20220731 (https://download.01.org/0day-ci/archive/20220802/202208020021.8hfala2O-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e) 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-mipsel-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9aa973884a163ecb6d5d4d3be9137058adcaf8c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout c9aa973884a163ecb6d5d4d3be9137058adcaf8c # 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=mips SHELL=/bin/bash drivers/media/platform/atmel/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/platform/atmel/atmel-sama7g5-isc.c:610:34: warning: unused variable 'microchip_xisc_of_match' [-Wunused-const-variable] static const struct of_device_id microchip_xisc_of_match[] = { ^ 1 warning generated. vim +/microchip_xisc_of_match +610 drivers/media/platform/atmel/atmel-sama7g5-isc.c 609 > 610 static const struct of_device_id microchip_xisc_of_match[] = { 611 { .compatible = "microchip,sama7g5-isc" }, 612 { } 613 }; 614 MODULE_DEVICE_TABLE(of, microchip_xisc_of_match); 615 -- 0-DAY CI Kernel Test Service https://01.org/lkp