reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/wens/linux.git/commit/?id=d6806397b23038f2497ae717bc64bd25c22c1e07
        git remote add wens https://git.kernel.org/pub/scm/linux/kernel/git/wens/linux.git
        git fetch --no-tags wens mtk-wip
        git checkout d6806397b23038f2497ae717bc64bd25c22c1e07

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/input/mouse/