reproduce: # apt-get install sparse # sparse version: v0.6.4-47-g365b9520-dirty git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android13-5.10 git checkout b4b11198edb99eb17a4d032c3a80854d3a817b0d # 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 sound/soc/hisilicon/