reproduce:
        git remote add bluetooth-next https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git
        git fetch bluetooth-next master
        git checkout bluetooth-next/master
        b4 shazam https://lore.kernel.org/r/20260612012832.2395034-2-chandrashekar.devegowda@intel.com
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs