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SubjectRe: [PATCH] net: ethernet: stmmac: add ARP management
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;

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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