reproduce (this is a W=1 build): # https://github.com/CirrusLogic/linux-drivers/commit/10f91c81a4d7f2a41526d9e27c4c83681f0d12b1 git remote add cirruslogic-drivers https://github.com/CirrusLogic/linux-drivers git fetch --no-tags cirruslogic-drivers v6.12-cs40l26 git checkout 10f91c81a4d7f2a41526d9e27c4c83681f0d12b1 # clang-24 might not be officially released. Try a lower version if installation fails. 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=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/input/misc/