reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/5c03e0fe215f96bf5b0511b77301f5dcca2adbf6
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Alastair-D-Silva/dt-bindings-net-phy-Add-Allwinner-AC300-EPHY-binding/20260916-144116
        git checkout 5c03e0fe215f96bf5b0511b77301f5dcca2adbf6

        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=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/net/phy/