reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add lee-backlight https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git git fetch lee-backlight for-backlight-next git checkout lee-backlight/for-backlight-next b4 shazam https://lore.kernel.org/r/20240212162645.5661-5-tzimmermann@suse.de # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/hid/