reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/73237024904db1cb297c7551b270bb8cf2bcf665 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/20231103-074117 git checkout 73237024904db1cb297c7551b270bb8cf2bcf665 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/irqchip/