netdev - Re: [PATCH RESEND net-next v3 2/3] net: enetc: Initialize SerDes for SGMII and USXGMII protocols

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Date:   Thu, 2 Jul 2020 11:16:58 +0800
From:   kernel test robot <lkp@...el.com>
To:     Michael Walle <michael@...le.cc>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Michael Walle <michael@...le.cc>,
        Vladimir Oltean <olteanv@...il.com>,
        Alex Marginean <alexandru.marginean@....com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Heiko Thiery <heiko.thiery@...il.com>
Subject: Re: [PATCH RESEND net-next v3 2/3] net: enetc: Initialize SerDes for
 SGMII and USXGMII protocols

Hi Michael,

I love your patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Michael-Walle/net-enetc-remove-bootloader-dependency/20200702-053650
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 2b04a66156159592156a97553057e8c36de2ee70
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project c8f1d442d0858f66fd4128fde6f67eb5202fa2b1)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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 >>):

>> drivers/net/ethernet/freescale/enetc/enetc_pf.c:879:2: error: implicit declaration of function 'devm_mdiobus_free' [-Werror,-Wimplicit-function-declaration]
           devm_mdiobus_free(dev, bus);
           ^
   1 error generated.

vim +/devm_mdiobus_free +879 drivers/net/ethernet/freescale/enetc/enetc_pf.c

   835	
   836	static int enetc_imdio_init(struct enetc_pf *pf, bool is_c45)
   837	{
   838		struct device *dev = &pf->si->pdev->dev;
   839		struct enetc_mdio_priv *mdio_priv;
   840		struct phy_device *pcs;
   841		struct mii_bus *bus;
   842		int err;
   843	
   844		bus = devm_mdiobus_alloc_size(dev, sizeof(*mdio_priv));
   845		if (!bus)
   846			return -ENOMEM;
   847	
   848		bus->name = "Freescale ENETC internal MDIO Bus";
   849		bus->read = enetc_mdio_read;
   850		bus->write = enetc_mdio_write;
   851		bus->parent = dev;
   852		bus->phy_mask = ~0;
   853		mdio_priv = bus->priv;
   854		mdio_priv->hw = &pf->si->hw;
   855		mdio_priv->mdio_base = ENETC_PM_IMDIO_BASE;
   856		snprintf(bus->id, MII_BUS_ID_SIZE, "%s-imdio", dev_name(dev));
   857	
   858		err = mdiobus_register(bus);
   859		if (err) {
   860			dev_err(dev, "cannot register internal MDIO bus (%d)\n", err);
   861			goto free_mdio_bus;
   862		}
   863	
   864		pcs = get_phy_device(bus, 0, is_c45);
   865		if (IS_ERR(pcs)) {
   866			err = PTR_ERR(pcs);
   867			dev_err(dev, "cannot get internal PCS PHY (%d)\n", err);
   868			goto unregister_mdiobus;
   869		}
   870	
   871		pf->imdio = bus;
   872		pf->pcs = pcs;
   873	
   874		return 0;
   875	
   876	unregister_mdiobus:
   877		mdiobus_unregister(bus);
   878	free_mdio_bus:
 > 879		devm_mdiobus_free(dev, bus);
   880		return err;
   881	}
   882	

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

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