Re: [PATCH] net: ethernet: stmmac: add ARP management

[kbuild test robot]

Hi Christophe,

[auto build test WARNING on net-next/master]
[also build test WARNING on next-20170117]
[cannot apply to v4.10-rc4]
[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/Christophe-Roullier/net-ethernet-stmmac-add-ARP-management/20170118-084026
config: x86_64-kexec (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/net/ethernet/stmicro/stmmac/stmmac_main.c: In function 
'stmmac_dvr_probe':
>> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3296:11: warning: passing 
>> argument 3 of 'priv->hw->dma->set_arp_addr' makes integer from pointer 
>> without a cast [-Wint-conversion]
              priv->dev->dev_addr);
              ^~~~
   drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3296:11: note: expected 
'u32 {aka unsigned int}' but argument is of type 'unsigned char *'

vim +3296 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

  3280                              NETIF_F_RXCSUM;
  3281  
  3282          if ((priv->plat->tso_en) && (priv->dma_cap.tsoen)) {
  3283                  ndev->hw_features |= NETIF_F_TSO;
  3284                  priv->tso = true;
  3285                  dev_info(priv->device, "TSO feature enabled\n");
  3286          }
  3287  
  3288          if ((priv->plat->arp_en) && (priv->dma_cap.arpoffsel)) {
  3289                  ret = priv->hw->mac->arp_en(priv->hw);
  3290                  if (!ret) {
  3291                          pr_warn(" ARP feature disabled\n");
  3292                  } else {
  3293                          pr_info(" ARP feature enabled\n");
  3294                          /* Copy MAC addr into MAC_ARP_ADDRESS register*/
  3295                          priv->hw->dma->set_arp_addr(priv->ioaddr, 1,
> 3296                                                      
> priv->dev->dev_addr);
  3297                  }
  3298          }
  3299  
  3300          ndev->features |= ndev->hw_features | NETIF_F_HIGHDMA;
  3301          ndev->watchdog_timeo = msecs_to_jiffies(watchdog);
  3302  #ifdef STMMAC_VLAN_TAG_USED
  3303          /* Both mac100 and gmac support receive VLAN tag detection */
  3304          ndev->features |= NETIF_F_HW_VLAN_CTAG_RX;

---
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