reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git/commit/?id=af3d3b1b2cd4103936980b66dd34601e419ae74a git remote add mripard https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git git fetch --no-tags mripard drm/tidss/field-api git checkout af3d3b1b2cd4103936980b66dd34601e419ae74a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/tidss/