reproduce (this is a W=1 build): git checkout cce8de7f9744a210a4441ca8a667a9950515eea7 b4 shazam https://lore.kernel.org/r/20260220-ad9910-iio-driver-v1-5-3b264aa48a10@analog.com 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=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/iio/frequency/