reproduce:
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # apt-get install sparse
        # sparse version: v0.6.4-66-g0196afe1
        # https://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git/commit/?id=23cad4d844a6e921c1a545cd164c81b6f3f720d7
        git remote add pinchartl https://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git
        git fetch --no-tags pinchartl v6.10/sensors/vcmipi
        git checkout 23cad4d844a6e921c1a545cd164c81b6f3f720d7
        # 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=hexagon olddefconfig
        ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/media/i2c/ drivers/platform/