reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/5d12eb39150aa2df7017bada504e4d109251040a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Xu-Yang/usb-chipidea-udc-improve-dTD-link-logic/20240912-113632 git checkout 5d12eb39150aa2df7017bada504e4d109251040a # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/usb/chipidea/