reproduce (this is a W=1 build): git checkout 0138af2472dfdef0d56fc4697416eaa0ff2589bd b4 shazam https://lore.kernel.org/r/20260327-b4-hwmon-witrn-v1-4-8d2f1896c045@rong.moe 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=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=csky olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=csky SHELL=/bin/bash