reproduce (this is a W=1 build): git remote add shawnguo https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git git fetch shawnguo for-next git checkout shawnguo/for-next b4 shazam https://lore.kernel.org/r/20250225053955.3781831-5-xu.yang_2@nxp.com # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/usb/chipidea/