reproduce (this is a W=1 build):
        git checkout d358e5254674b70f34c847715ca509e46eb81e6f
        b4 shazam https://lore.kernel.org/r/20251212-dev-b4-aaeon-mcu-driver-v1-6-6bd65bc8ef12@bootlin.com

        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips64el-linux-gnuabi64
        # clang-22 might not be officially released. Try a lower version if installation fails.
        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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash