reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git git fetch usb usb-testing git checkout usb/usb-testing b4 shazam https://lore.kernel.org/r/20240107163307.3677347-1-enachman@marvell.com # save the config file mkdir build_dir && cp config build_dir/.config ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/usb/host/