Re: [PATCH v5 1/3] mfd: ls2kbmc: Introduce Loongson-2K BMC core driver

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

Hi Binbin,

kernel test robot noticed the following build errors:

[auto build test ERROR on 8ffcb7560b4a15faf821df95e3ab532b2b020f8c]

url:    https://github.com/intel-lab-lkp/linux/commits/Binbin-Zhou/mfd-ls2kbmc-Introduce-Loongson-2K-BMC-core-driver/20250620-100856
base:   8ffcb7560b4a15faf821df95e3ab532b2b020f8c
patch link:    https://lore.kernel.org/r/82cbc8558f15981e0953ab229d2afcc5501f982c.1750301674.git.zhoubinbin%40loongson.cn
patch subject: [PATCH v5 1/3] mfd: ls2kbmc: Introduce Loongson-2K BMC core driver
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20250621/202506210204.LVZc2VG2-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250621/202506210204.LVZc2VG2-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/202506210204.LVZc2VG2-lkp@intel.com/

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

>> drivers/mfd/ls2k-bmc-core.c:152:1: warning: data definition has no type or storage class
     152 | module_pci_driver(ls2k_bmc_driver);
         | ^~~~~~~~~~~~~~~~~
>> drivers/mfd/ls2k-bmc-core.c:152:1: error: type defaults to 'int' in declaration of 'module_pci_driver' [-Wimplicit-int]
>> drivers/mfd/ls2k-bmc-core.c:152:1: error: parameter names (without types) in function declaration [-Wdeclaration-missing-parameter-type]
>> drivers/mfd/ls2k-bmc-core.c:146:26: warning: 'ls2k_bmc_driver' defined but not used [-Wunused-variable]
     146 | static struct pci_driver ls2k_bmc_driver = {
         |                          ^~~~~~~~~~~~~~~


vim +152 drivers/mfd/ls2k-bmc-core.c

   145	
 > 146	static struct pci_driver ls2k_bmc_driver = {
   147		.name = "ls2k-bmc",
   148		.id_table = ls2k_bmc_devices,
   149		.probe = ls2k_bmc_probe,
   150		.remove = ls2k_bmc_remove,
   151	};
 > 152	module_pci_driver(ls2k_bmc_driver);
   153	

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