Re: [RFC PATCH v11 11/12] net: ethernet: mtk_eth_soc: switch to external PCS driver

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

Hi Daniel,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on 1716a175592aff9549a0c07aac8f9cadd03003f5]

url:    https://github.com/intel-lab-lkp/linux/commits/Daniel-Golle/net-ethernet-mtk_eth_soc-add-support-for-MT7981-SoC/20230302-035810
base:   1716a175592aff9549a0c07aac8f9cadd03003f5
patch link:    https://lore.kernel.org/r/657bbf01e94fe4fdf5a2342b2a52c61bc121d999.1677699407.git.daniel%40makrotopia.org
patch subject: [RFC PATCH v11 11/12] net: ethernet: mtk_eth_soc: switch to external PCS driver
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230302/202303020700.chUbZT37-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/ff89e0d2a6208203b967ff9df9e2d2d4c9a48927
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Daniel-Golle/net-ethernet-mtk_eth_soc-add-support-for-MT7981-SoC/20230302-035810
        git checkout ff89e0d2a6208203b967ff9df9e2d2d4c9a48927
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/net/ethernet/mediatek/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303020700.chUbZT37-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/mediatek/mtk_eth_soc.c:4082:6: warning: no previous prototype for 'mtk_sgmii_destroy' [-Wmissing-prototypes]
    4082 | void mtk_sgmii_destroy(struct mtk_eth *eth)
         |      ^~~~~~~~~~~~~~~~~


vim +/mtk_sgmii_destroy +4082 drivers/net/ethernet/mediatek/mtk_eth_soc.c

  4081	
> 4082	void mtk_sgmii_destroy(struct mtk_eth *eth)
  4083	{
  4084		int i;
  4085	
  4086		for (i = 0; i < MTK_MAX_DEVS; i++)
  4087			mtk_pcs_lynxi_destroy(eth->sgmii_pcs[i]);
  4088	}
  4089	

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