reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git/commit/?id=0d3f95740ced3acb6171cdec8c5bef336b0cabdb
        git remote add brgl https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
        git fetch --no-tags brgl gpio/for-current
        git checkout 0d3f95740ced3acb6171cdec8c5bef336b0cabdb

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpio/