reproduce (this is a W=1 build):
        # https://github.com/superna9999/linux/commit/4eb3bf9a5093f47916b0d4fc5fd45c97dd0b2c65
        git remote add superna9999 https://github.com/superna9999/linux
        git fetch --no-tags superna9999 topic/sm8650/deckard-el2
        git checkout 4eb3bf9a5093f47916b0d4fc5fd45c97dd0b2c65

        # install loongarch cross compiling tool for clang build
        # apt-get install binutils-loongarch-linux-gnu
        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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash fs/adfs/ fs/ext4/ mm/ sound/soc/qcom/