netdev - Re: [PATCH V2 2/2] net: ks8851: Register MDIO bus and the internal PHY

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Date:   Tue, 5 Jan 2021 13:26:26 +0800
From:   kernel test robot <lkp@...el.com>
To:     Marek Vasut <marex@...x.de>, netdev@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, Marek Vasut <marex@...x.de>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Lukas Wunner <lukas@...ner.de>
Subject: Re: [PATCH V2 2/2] net: ks8851: Register MDIO bus and the internal
 PHY

Hi Marek,

I love your patch! Yet something to improve:

[auto build test ERROR on net/master]
[also build test ERROR on ipvs/master net-next/master linus/master v5.11-rc2 next-20210104]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Marek-Vasut/net-phy-micrel-Add-KS8851-PHY-support/20210104-203217
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 4bfc4714849d005e6835bcffa3c29ebd6e5ee35d
config: i386-randconfig-a013-20210105 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/ab74850be61e7510a3304091c458b8aedfd51388
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Marek-Vasut/net-phy-micrel-Add-KS8851-PHY-support/20210104-203217
        git checkout ab74850be61e7510a3304091c458b8aedfd51388
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All errors (new ones prefixed by >>):

   ld: drivers/net/ethernet/micrel/ks8851_common.o: in function `ks8851_register_mdiobus':
>> drivers/net/ethernet/micrel/ks8851_common.c:1103: undefined reference to `__this_module'


vim +1103 drivers/net/ethernet/micrel/ks8851_common.c

  1085	
  1086	static int ks8851_register_mdiobus(struct ks8851_net *ks, struct device *dev)
  1087	{
  1088		struct mii_bus *mii_bus;
  1089		int ret;
  1090	
  1091		mii_bus = mdiobus_alloc();
  1092		if (!mii_bus)
  1093			return -ENOMEM;
  1094	
  1095		mii_bus->name = "ks8851_eth_mii";
  1096		mii_bus->read = ks8851_mdio_read;
  1097		mii_bus->write = ks8851_mdio_write;
  1098		mii_bus->priv = ks;
  1099		mii_bus->parent = dev;
  1100		mii_bus->phy_mask = ~((u32)BIT(0));
  1101		snprintf(mii_bus->id, MII_BUS_ID_SIZE, "%s", dev_name(dev));
  1102	
> 1103		ret = mdiobus_register(mii_bus);
  1104		if (ret)
  1105			goto err_mdiobus_register;
  1106	
  1107		ks->mii_bus = mii_bus;
  1108	
  1109		return 0;
  1110	
  1111	err_mdiobus_register:
  1112		mdiobus_free(mii_bus);
  1113		return ret;
  1114	}
  1115	

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

Download attachment ".config.gz" of type "application/gzip" (35642 bytes)