[linux-arm:cex7 16/34] drivers//net/ethernet/stmicro/stmmac/dwmac-anarion.c:67:16: error: redeclaration of 'ctl_block' with no linkage

[linux-arm:cex7 16/34] drivers//net/ethernet/stmicro/stmmac/dwmac-anarion.c:67:16: error: redeclaration of 'ctl_block' with no linkage

[kbuild test robot]

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tree:   git://git.armlinux.org.uk/~rmk/linux-arm cex7
head:   990932281795167358988202ba9a415442c84ea6
commit: ba9ec2ba6fcc89ae22f9de3571cd7311d3689afe [16/34] net: of_get_phy_mode: Change API to solve int/unit warnings
config: c6x-allyesconfig (attached as .config)
compiler: c6x-elf-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout ba9ec2ba6fcc89ae22f9de3571cd7311d3689afe
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=c6x 

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

All errors (new ones prefixed by >>):

   drivers//net/ethernet/stmicro/stmmac/dwmac-anarion.c: In function 'anarion_config_dt':
>> drivers//net/ethernet/stmicro/stmmac/dwmac-anarion.c:67:16: error: redeclaration of 'ctl_block' with no linkage
     void __iomem *ctl_block;
                   ^~~~~~~~~
   drivers//net/ethernet/stmicro/stmmac/dwmac-anarion.c:64:16: note: previous declaration of 'ctl_block' was here
     void __iomem *ctl_block;
                   ^~~~~~~~~

vim +/ctl_block +67 drivers//net/ethernet/stmicro/stmmac/dwmac-anarion.c

    61	
    62	static struct anarion_gmac *anarion_config_dt(struct platform_device *pdev)
    63	{
    64		void __iomem *ctl_block;
    65		struct anarion_gmac *gmac;
    66		phy_interface_t phy_mode;
  > 67		void __iomem *ctl_block;
    68		int err;
    69	
    70		ctl_block = devm_platform_ioremap_resource(pdev, 1);
    71		if (IS_ERR(ctl_block)) {
    72			dev_err(&pdev->dev, "Cannot get reset region (%ld)!\n",
    73				PTR_ERR(ctl_block));
    74			return ctl_block;
    75		}
    76	
    77		gmac = devm_kzalloc(&pdev->dev, sizeof(*gmac), GFP_KERNEL);
    78		if (!gmac)
    79			return ERR_PTR(-ENOMEM);
    80	
    81		gmac->ctl_block = (uintptr_t)ctl_block;
    82	
    83		err = of_get_phy_mode(pdev->dev.of_node, &phy_mode);
    84		if (err)
    85			return ERR_PTR(err);
    86	
    87		switch (phy_mode) {
    88		case PHY_INTERFACE_MODE_RGMII:		/* Fall through */
    89		case PHY_INTERFACE_MODE_RGMII_ID	/* Fall through */:
    90		case PHY_INTERFACE_MODE_RGMII_RXID:	/* Fall through */
    91		case PHY_INTERFACE_MODE_RGMII_TXID:
    92			gmac->phy_intf_sel = GMAC_CONFIG_INTF_RGMII;
    93			break;
    94		default:
    95			dev_err(&pdev->dev, "Unsupported phy-mode (%d)\n",
    96				phy_mode);
    97			return ERR_PTR(-ENOTSUPP);
    98		}
    99	
   100		return gmac;
   101	}
   102	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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