reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git/commit/?id=3bb54f568ecc35be7675eef5303a47e14aba54bc git remote add hid https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git git fetch --no-tags hid for-7.1/lenovo git checkout 3bb54f568ecc35be7675eef5303a47e14aba54bc # 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 # apt-get install sparse # sparse: v0.6.5-rc1 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/hid/