reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu git remote add linusw-pinctrl https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git git fetch linusw-pinctrl devel git checkout linusw-pinctrl/devel b4 shazam https://lore.kernel.org/r/20240527212742.1432960-6-andy.shevchenko@gmail.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/pinctrl/