reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/morimoto/linux/commit/9c5ddaa0866d7901f7f8a0203fcf371ba5c67cde
        git remote add morimoto https://github.com/morimoto/linux
        git fetch --no-tags morimoto sound-pcmv2-2024-10-22
        git checkout 9c5ddaa0866d7901f7f8a0203fcf371ba5c67cde
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash sound/soc/