reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git/commit/?id=3ca0eec7ecfa5c404f41e9b1e7690ec64de77b53
        git remote add linusw-gpio https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
        git fetch --no-tags linusw-gpio b4/descriptors-wireless
        git checkout 3ca0eec7ecfa5c404f41e9b1e7690ec64de77b53
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/gpio/