reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/70651f424379e71e096e0e2de07b1dc0831664c5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yejung-Kim/ALSA-usb-audio-Add-quirk-flag-for-Creative-Stage-SE/20261002-145035 git checkout 70651f424379e71e096e0e2de07b1dc0831664c5 # install loongarch cross compiling tool for clang build # apt-get install binutils-loongarch-linux-gnu # clang-24 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=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash sound/usb/