[frank-w-bpi-r2-4.14:7.3-rc 153/153] ERROR: modpost: drivers/net/pcs/pcs-mtk-usxgmii.ko: symbol 'mtk_xfi_tphy_valid_ctle' undefined!

[frank-w-bpi-r2-4.14:7.3-rc 153/153] ERROR: modpost: drivers/net/pcs/pcs-mtk-usxgmii.ko: symbol 'mtk_xfi_tphy_valid_ctle' undefined!

[kernel test robot]

tree:   https://github.com/frank-w/BPI-R2-4.14 7.3-rc
head:   32b3bd5458be1657056f9852b0b309f73b65a4d7
commit: 769cea6dc4204ef3e43ac347d91ae9ef74f81b1d [153/153] net: pcs: mtk-usxgmii: check link status and phy ctle before reset
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20261008/202610080045.yMqQf2ln-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 80cd965b6323b208519f8ab1d5ee86e4ea9862f4)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261008/202610080045.yMqQf2ln-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/202610080045.yMqQf2ln-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: drivers/clk/mediatek/clk-mt7987-apmixed.ko: missing MODULE_DESCRIPTION()
WARNING: modpost: drivers/clk/mediatek/clk-mt7987-topckgen.ko: missing MODULE_DESCRIPTION()
WARNING: modpost: drivers/clk/mediatek/clk-mt7987-infracfg.ko: missing MODULE_DESCRIPTION()
WARNING: modpost: drivers/clk/mediatek/clk-mt7987-mcusys.ko: missing MODULE_DESCRIPTION()
>> ERROR: modpost: drivers/net/pcs/pcs-mtk-usxgmii.ko: symbol 'mtk_xfi_tphy_valid_ctle' undefined!

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