Hi Andy,

I love your patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Andy-Shevchenko/ptp_pch-use-mac_pton/20210813-203135
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git b769cf44ed55f4b277b89cf53df6092f0c9082d0
config: nios2-randconfig-r023-20210813 (attached as .config)
compiler: nios2-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/6c1fff5c80fe8f1a12c20bac2d28ebfa5960bde7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andy-Shevchenko/ptp_pch-use-mac_pton/20210813-203135
        git checkout 6c1fff5c80fe8f1a12c20bac2d28ebfa5960bde7
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=nios2 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

>> drivers/ptp/ptp_pch.c:604:1: warning: data definition has no type or storage class
     604 | module_pci_driver(pch_driver);
         | ^~~~~~~~~~~~~~~~~
>> drivers/ptp/ptp_pch.c:604:1: error: type defaults to 'int' in declaration of 'module_pci_driver' [-Werror=implicit-int]
>> drivers/ptp/ptp_pch.c:604:1: warning: parameter names (without types) in function declaration
   drivers/ptp/ptp_pch.c:597:26: warning: 'pch_driver' defined but not used [-Wunused-variable]
     597 | static struct pci_driver pch_driver = {
         |                          ^~~~~~~~~~
   cc1: some warnings being treated as errors


vim +604 drivers/ptp/ptp_pch.c

   596	
   597	static struct pci_driver pch_driver = {
   598		.name = KBUILD_MODNAME,
   599		.id_table = pch_ieee1588_pcidev_id,
   600		.probe = pch_probe,
   601		.remove = pch_remove,
   602		.driver.pm = &pch_pm_ops,
   603	};
 > 604	module_pci_driver(pch_driver);
   605	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org