reproduce: git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/e40b14528a9ba4b375b053c99ff0a01a09af00c5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Stanley-Chu/dt-bindings-i3c-silvaco-Add-npcm845-compatible-string/20250305-114705 git checkout e40b14528a9ba4b375b053c99ff0a01a09af00c5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=sparc SHELL=/bin/bash drivers/i3c/master/