reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add andi-shyti git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git git fetch andi-shyti i2c/i2c-host git checkout andi-shyti/i2c/i2c-host b4 shazam https://lore.kernel.org/r/20240608043653.4086647-1-tommy_huang@aspeedtech.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/i2c/busses/