reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/d6aed29e528f1999fdc9ff58387885e7eb0f5858
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Bjorn-Andersson/serial-qcom-geni-Convert-console-to-nbcon/20260730-163336
        git checkout d6aed29e528f1999fdc9ff58387885e7eb0f5858

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/tty/serial/