reproduce:
        git checkout a0ae2a256046c0c5d3778d1a194ff2e171f16e5f
        b4 shazam https://lore.kernel.org/r/20260307-sahara_protocol_new_v2-v2-1-29dc748b5e9c@oss.qualcomm.com
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs