reproduce: git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # apt-get install sparse # sparse version: v0.6.4-47-g365b9520-dirty # https://github.com/intel-lab-lkp/linux/commit/c0305c5f659dc406d90b58abc419e9b212713d15 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review James-Tai/dt-bindings-interrupt-controller-Add-support-for-Realtek-DHC-SoCs/20231228-141213 git checkout c0305c5f659dc406d90b58abc419e9b212713d15 # save the config file mkdir build_dir && cp config build_dir/.config ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=s390 olddefconfig ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=s390 SHELL=/bin/bash drivers/irqchip/