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/fde5f65e3c9ea7df5896aff9498aaae502e5f4f5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Amirreza-Zarrabi/tee-allow-a-driver-to-allocate-a-tee_device-without-a-pool/20250821-074358 git checkout fde5f65e3c9ea7df5896aff9498aaae502e5f4f5 # 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=arm olddefconfig ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm SHELL=/bin/bash drivers/tee/