reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi git checkout 431c39f6d3edbab14f48dbf37a58ccdc0ac3be1e b4 shazam https://lore.kernel.org/r/20241002-iio-must-check-claim-direct-v1-1-ab94ce728731@baylibre.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/iio/pressure/