[net-next:main 5/19] drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c:669: undefined reference to `lynx_pcs_destroy'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git main
head:   28cfea989d6f55c3d10608eba2a2bae609c5bf3e
commit: 5d1f3fe7d2d54d04b44aa5b9b62b305fdcf653ec [5/19] net: stmmac: dwmac-sogfpga: use the lynx pcs driver
config: x86_64-randconfig-x066-20230605 (https://download.01.org/0day-ci/archive/20230606/202306061016.ZObwe4Oh-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=5d1f3fe7d2d54d04b44aa5b9b62b305fdcf653ec
        git remote add net-next https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
        git fetch --no-tags net-next main
        git checkout 5d1f3fe7d2d54d04b44aa5b9b62b305fdcf653ec
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306061016.ZObwe4Oh-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/net/ethernet/altera/altera_tse_main.o: in function `altera_tse_remove':
   drivers/net/ethernet/altera/altera_tse_main.c:1473: undefined reference to `lynx_pcs_destroy'
   ld: drivers/net/ethernet/altera/altera_tse_main.o: in function `altera_tse_probe':
   drivers/net/ethernet/altera/altera_tse_main.c:1419: undefined reference to `lynx_pcs_create_mdiodev'
   ld: drivers/net/ethernet/altera/altera_tse_main.c:1451: undefined reference to `lynx_pcs_destroy'
   ld: drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.o: in function `stmmac_mdio_unregister':
>> drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c:669: undefined reference to `lynx_pcs_destroy'


vim +669 drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c

   652	
   653	/**
   654	 * stmmac_mdio_unregister
   655	 * @ndev: net device structure
   656	 * Description: it unregisters the MII bus
   657	 */
   658	int stmmac_mdio_unregister(struct net_device *ndev)
   659	{
   660		struct stmmac_priv *priv = netdev_priv(ndev);
   661	
   662		if (!priv->mii)
   663			return 0;
   664	
   665		if (priv->hw->xpcs)
   666			xpcs_destroy(priv->hw->xpcs);
   667	
   668		if (priv->hw->lynx_pcs)
 > 669			lynx_pcs_destroy(priv->hw->lynx_pcs);

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