reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/hisilicon/linux-hisi/commit/886bdf9c883bcc9bfb0a0bc0ed27680e68c8b6c2
        git remote add hisilicon-hisi https://github.com/hisilicon/linux-hisi
        git fetch --no-tags hisilicon-hisi next/drivers
        git checkout 886bdf9c883bcc9bfb0a0bc0ed27680e68c8b6c2
        # 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=x86_64 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ethernet/mellanox/mlx5/core/ drivers/soc/hisilicon/