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 # clang-22 might not be officially released. Try a lower version if installation fails. # https://github.com/masneyb/linux/commit/d3c486e03d156b6ee1d164161bcb3b9832781889 git remote add masneyb https://github.com/masneyb/linux git fetch --no-tags masneyb 20250729-clk-round-rate-test git checkout d3c486e03d156b6ee1d164161bcb3b9832781889 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/clk/nxp/