Re: [PATCH net-next 03/12] ptp: netc: add PPS support

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

Hi Wei,

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/Wei-Fang/dt-bindings-ptp-add-bindings-for-NETC-Timer/20250711-152311
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250711065748.250159-4-wei.fang%40nxp.com
patch subject: [PATCH net-next 03/12] ptp: netc: add PPS support
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250712/202507122351.c9ut0TEq-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250712/202507122351.c9ut0TEq-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/202507122351.c9ut0TEq-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: ptp_clock_event
   >>> referenced by ptp_netc.c
   >>>               drivers/ptp/ptp_netc.o:(netc_timer_isr) in archive vmlinux.a

-- 
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