Re: [PATCH v2] net: macb: Added PCI wrapper for Platform Driver.

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

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Hi Bartosz,

[auto build test ERROR on net-next/master]
[also build test ERROR on v4.9 next-20161209]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Bartosz-Folta/net-macb-Added-PCI-wrapper-for-Platform-Driver/20161212-220228
config: blackfin-allyesconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=blackfin 

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

   drivers/net/ethernet/cadence/macb_pci.c: In function 'macb_probe':
   drivers/net/ethernet/cadence/macb_pci.c:78:19: error: implicit declaration of function 'clk_register_fixed_rate' [-Werror=implicit-function-declaration]
     plat_data.pclk = clk_register_fixed_rate(&pdev->dev, "pclk", NULL, 0,
                      ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/ethernet/cadence/macb_pci.c:78:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     plat_data.pclk = clk_register_fixed_rate(&pdev->dev, "pclk", NULL, 0,
                    ^
   drivers/net/ethernet/cadence/macb_pci.c:85:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     plat_data.hclk = clk_register_fixed_rate(&pdev->dev, "hclk", NULL, 0,
                    ^
   drivers/net/ethernet/cadence/macb_pci.c:116:2: error: implicit declaration of function 'clk_unregister' [-Werror=implicit-function-declaration]
     clk_unregister(plat_data.hclk);
     ^~~~~~~~~~~~~~
   drivers/net/ethernet/cadence/macb_pci.c: At top level:
>> drivers/net/ethernet/cadence/macb_pci.c:149:1: warning: data definition has no type or storage class
    module_pci_driver(macb_pci_driver);
    ^~~~~~~~~~~~~~~~~
>> drivers/net/ethernet/cadence/macb_pci.c:149:1: error: type defaults to 'int' in declaration of 'module_pci_driver' [-Werror=implicit-int]
>> drivers/net/ethernet/cadence/macb_pci.c:149:1: warning: parameter names (without types) in function declaration
   drivers/net/ethernet/cadence/macb_pci.c:142:26: warning: 'macb_pci_driver' defined but not used [-Wunused-variable]
    static struct pci_driver macb_pci_driver = {
                             ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +149 drivers/net/ethernet/cadence/macb_pci.c

    79							 GEM_PCLK_RATE);
    80		if (IS_ERR(plat_data.pclk)) {
    81			err = PTR_ERR(plat_data.pclk);
    82			goto err_pclk_register;
    83		}
    84	
  > 85		plat_data.hclk = clk_register_fixed_rate(&pdev->dev, "hclk", NULL, 0,
    86							 GEM_HCLK_RATE);
    87		if (IS_ERR(plat_data.hclk)) {
    88			err = PTR_ERR(plat_data.hclk);
    89			goto err_hclk_register;
    90		}
    91	
    92		/* set up platform device info */
    93		memset(&plat_info, 0, sizeof(plat_info));
    94		plat_info.parent = &pdev->dev;
    95		plat_info.fwnode = pdev->dev.fwnode;
    96		plat_info.name = PLAT_DRIVER_NAME;
    97		plat_info.id = pdev->devfn;
    98		plat_info.res = res;
    99		plat_info.num_res = ARRAY_SIZE(res);
   100		plat_info.data = &plat_data;
   101		plat_info.size_data = sizeof(plat_data);
   102		plat_info.dma_mask = DMA_BIT_MASK(32);
   103	
   104		/* register platform device */
   105		plat_dev = platform_device_register_full(&plat_info);
   106		if (IS_ERR(plat_dev)) {
   107			err = PTR_ERR(plat_dev);
   108			goto err_plat_dev_register;
   109		}
   110	
   111		pci_set_drvdata(pdev, plat_dev);
   112	
   113		return 0;
   114	
   115	err_plat_dev_register:
 > 116		clk_unregister(plat_data.hclk);
   117	
   118	err_hclk_register:
   119		clk_unregister(plat_data.pclk);
   120	
   121	err_pclk_register:
   122		pci_disable_device(pdev);
   123		return err;
   124	}
   125	
   126	void macb_remove(struct pci_dev *pdev)
   127	{
   128		struct platform_device *plat_dev = pci_get_drvdata(pdev);
   129		struct macb_platform_data *plat_data = dev_get_platdata(&plat_dev->dev);
   130	
   131		platform_device_unregister(plat_dev);
   132		pci_disable_device(pdev);
   133		clk_unregister(plat_data->pclk);
   134		clk_unregister(plat_data->hclk);
   135	}
   136	
   137	static struct pci_device_id dev_id_table[] = {
   138		{ PCI_DEVICE(CDNS_VENDOR_ID, CDNS_DEVICE_ID), },
   139		{ 0, }
   140	};
   141	
   142	static struct pci_driver macb_pci_driver = {
   143		.name     = PCI_DRIVER_NAME,
   144		.id_table = dev_id_table,
   145		.probe    = macb_probe,
   146		.remove	  = macb_remove,
   147	};
   148	
 > 149	module_pci_driver(macb_pci_driver);
   150	MODULE_DEVICE_TABLE(pci, dev_id_table);
   151	MODULE_LICENSE("GPL");
   152	MODULE_DESCRIPTION("Cadence NIC PCI wrapper");

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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