[android-common:android14-5.15 0/1] ld: drivers/phy/realtek/phy-rtk-usb3.c:351: undefined reference to `usb_debug_root'

[android-common:android14-5.15 0/1] ld: drivers/phy/realtek/phy-rtk-usb3.c:351: undefined reference to `usb_debug_root'

[kernel test robot]

Hi Stanley,

First bad commit (maybe != root cause):

tree:   https://android.googlesource.com/kernel/common android14-5.15
head:   a82122465ce4d62df5e03929565369e22880a0d5
commit: 6e97af079d7960bc7b60265e233f04ec8e218f98 [0/1] FROMGIT: phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY
config: i386-randconfig-054-20250423 (https://download.01.org/0day-ci/archive/20250423/202504231745.tg44KIXJ-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250423/202504231745.tg44KIXJ-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504231745.tg44KIXJ-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/phy/realtek/phy-rtk-usb2.o: in function `create_phy_debug_root':
   drivers/phy/realtek/phy-rtk-usb2.c:715: undefined reference to `usb_debug_root'
   ld: drivers/phy/realtek/phy-rtk-usb2.c:717: undefined reference to `usb_debug_root'
   ld: drivers/phy/realtek/phy-rtk-usb3.o: in function `create_phy_debug_root':
   drivers/phy/realtek/phy-rtk-usb3.c:349: undefined reference to `usb_debug_root'
>> ld: drivers/phy/realtek/phy-rtk-usb3.c:351: undefined reference to `usb_debug_root'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki