Re: [PATCH 1/3] net: stmicro: prepare dwmac4 core for mtl

Hi Joao,

[auto build test WARNING on net-next/master]
[also build test WARNING on next-20170215]
[cannot apply to v4.10-rc8]
[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/Joao-Pinto/add-support-for-multiple-queues-channels-in-stmmac/20170215-024621
config: openrisc-allyesconfig (attached as .config)
compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
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=openrisc 

All warnings (new ones prefixed by >>):

   drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c: In function 'stmmac_set_pauseparam':

quoted

drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c:505:6: warning: unused variable 'queue'

   drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c: In function 'stmmac_get_ethtool_stats':
   drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c:539:13: warning: 'j' may be used uninitialized in this function

vim +/queue +505 drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c

   489	
   490		if (priv->flow_ctrl & FLOW_RX)
   491			pause->rx_pause = 1;
   492		if (priv->flow_ctrl & FLOW_TX)
   493			pause->tx_pause = 1;
   494	
   495	}
   496	
   497	static int
   498	stmmac_set_pauseparam(struct net_device *netdev,
   499			      struct ethtool_pauseparam *pause)
   500	{
   501		struct stmmac_priv *priv = netdev_priv(netdev);
   502		u32 tx_queues_count = priv->dma_cap.number_tx_queues;
   503		struct phy_device *phy = netdev->phydev;
   504		int new_pause = FLOW_OFF;
 > 505		u32 queue = 0;
   506	
   507		if (priv->hw->pcs && priv->hw->mac->pcs_get_adv_lp) {
   508			struct rgmii_adv adv_lp;
   509	
   510			pause->autoneg = 1;
   511			priv->hw->mac->pcs_get_adv_lp(priv->ioaddr, &adv_lp);
   512			if (!adv_lp.pause)
   513				return -EOPNOTSUPP;

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