tree: https://android.googlesource.com/kernel/common android12-5.10 head: 870488eb0745645feff5bddfd44fe538660b9cf8 commit: a2b3afb2f7437d3c84a5ebdeb2ff957deadaee57 [22/54] ANDROID: android: Add symbols to debug_symbols driver config: arm-randconfig-r013-20210722 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android12-5.10 git checkout a2b3afb2f7437d3c84a5ebdeb2ff957deadaee57 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/media/common/videobuf2/videobuf2-core.o: in function `vb2_core_streamon': videobuf2-core.c:(.text+0x3d90): undefined reference to `v4l_vb2q_enable_media_source' arm-linux-gnueabi-ld: drivers/power/supply/pda_power.o: in function `pda_power_remove': pda_power.c:(.text+0x2a8): undefined reference to `usb_put_phy' arm-linux-gnueabi-ld: drivers/power/supply/pda_power.o: in function `pda_power_probe': pda_power.c:(.text+0x670): undefined reference to `usb_get_phy' arm-linux-gnueabi-ld: pda_power.c:(.text+0x958): undefined reference to `usb_put_phy' arm-linux-gnueabi-ld: drivers/power/supply/wm831x_power.o: in function `wm831x_power_probe': wm831x_power.c:(.text+0xb44): undefined reference to `devm_usb_get_phy_by_phandle' arm-linux-gnueabi-ld: drivers/power/supply/rt9455_charger.o: in function `rt9455_probe': rt9455_charger.c:(.text+0x1484): undefined reference to `devm_usb_get_phy' arm-linux-gnueabi-ld: drivers/power/supply/isp1704_charger.o: in function `isp1704_charger_probe': isp1704_charger.c:(.text+0x1d8): undefined reference to `devm_usb_get_phy_by_phandle' arm-linux-gnueabi-ld: isp1704_charger.c:(.text+0x1f0): undefined reference to `devm_usb_get_phy' arm-linux-gnueabi-ld: drivers/android/debug_symbols.o: in function `.LANCHOR0': debug_symbols.c:(.rodata+0x14): undefined reference to `__per_cpu_start' arm-linux-gnueabi-ld: debug_symbols.c:(.rodata+0x1c): undefined reference to `__per_cpu_end' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for USB_PHY Depends on USB_SUPPORT Selected by - GKI_HIDDEN_USB_CONFIGS WARNING: unmet direct dependencies detected for SND_PCM_IEC958 Depends on SOUND && !UML && SND Selected by - GKI_HIDDEN_SND_SOC_CONFIGS --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org