reproduce (this is a W=1 build): git checkout fe4d0dea039f2befb93f27569593ec209843b0f5 b4 shazam https://lore.kernel.org/r/20251119-cs42l43-gpio-lookup-v1-1-029b1d9e1843@linaro.org 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=$HOME/0day COMPILER=gcc-15.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=openrisc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash drivers/gpio/