reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/39ecf2201e720703d273a6d98b8a82284da8f59e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review David-Zhang/drivers-fpga-amd-Add-communication-with-firmware/20241008-060253 git checkout 39ecf2201e720703d273a6d98b8a82284da8f59e # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/fpga/amd/