Re: [PATCH net-next v5 1/4] net: wangxun: Add support for PTP clock

[kernel test robot <lkp@intel.com>]

Hi Jiawen,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Jiawen-Wu/net-wangxun-Add-support-for-PTP-clock/20250117-142347
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250117062051.2257073-2-jiawenwu%40trustnetic.com
patch subject: [PATCH net-next v5 1/4] net: wangxun: Add support for PTP clock
config: i386-randconfig-004-20250120 (https://download.01.org/0day-ci/archive/20250120/202501201812.CX71IRuQ-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250120/202501201812.CX71IRuQ-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/202501201812.CX71IRuQ-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: ptp_clock_register
   >>> referenced by wx_ptp.c:306 (drivers/net/ethernet/wangxun/libwx/wx_ptp.c:306)
   >>>               drivers/net/ethernet/wangxun/libwx/wx_ptp.o:(wx_ptp_init) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: ptp_clock_unregister
   >>> referenced by wx_ptp.c:650 (drivers/net/ethernet/wangxun/libwx/wx_ptp.c:650)
   >>>               drivers/net/ethernet/wangxun/libwx/wx_ptp.o:(wx_ptp_stop) in archive vmlinux.a

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