Hi Eugen, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 515f71412bb73ebd7f41f90e1684fc80b8730789 commit: c9aa973884a163ecb6d5d4d3be9137058adcaf8c media: atmel: atmel-isc: add microchip-xisc driver date: 1 year, 1 month ago config: hexagon-randconfig-r035-20220724 (https://download.01.org/0day-ci/archive/20220724/202207240637.I0U48Kcd-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 12fbd2d377e396ad61bce56d71c98a1eb1bebfa9) 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=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=hexagon 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