reproduce (this is a W=1 build): git remote add opencloudos https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git git fetch --no-tags opencloudos linux-5.4/lts/5.4.119-20.0009.spr git checkout 666b19bb8aeab2412d1cc496ef9fe000827cff86 # 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/host/