reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-w1.git/commit/?id=e89bccb295a8880493693e69e091a3668dc0c279
        git remote add krzk-w1 https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-w1.git
        git fetch --no-tags krzk-w1 w1-next
        git checkout e89bccb295a8880493693e69e091a3668dc0c279
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs