tree:   https://github.com/c-sky/csky-linux linux-5.15-rc1-d1-v4
head:   88c6ea42e010e46e58be159efa07cda22d95a512
commit: 88c6ea42e010e46e58be159efa07cda22d95a512 [7/7] riscv: soc: (not ready) Allwinner D1 GMAC driver
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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
        # https://github.com/c-sky/csky-linux/commit/88c6ea42e010e46e58be159efa07cda22d95a512
        git remote add csky-linux https://github.com/c-sky/csky-linux
        git fetch --no-tags csky-linux linux-5.15-rc1-d1-v4
        git checkout 88c6ea42e010e46e58be159efa07cda22d95a512
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc 

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

All warnings (new ones prefixed by >>):

   drivers/net/ethernet/allwinnertmp/sunxi-gmac.c:165:6: warning: no previous prototype for 'sunxi_udelay' [-Wmissing-prototypes]
     165 | void sunxi_udelay(int n)
         |      ^~~~~~~~~~~~
   drivers/net/ethernet/allwinnertmp/sunxi-gmac.c: In function 'geth_open':
>> drivers/net/ethernet/allwinnertmp/sunxi-gmac.c:1313:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    1313 |         sunxi_start_rx(priv->base, (unsigned long)((struct dma_desc *)
         |                                                    ^
   drivers/net/ethernet/allwinnertmp/sunxi-gmac.c:1315:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    1315 |         sunxi_start_tx(priv->base, (unsigned long)((struct dma_desc *)
         |                                                    ^
   drivers/net/ethernet/allwinnertmp/sunxi-gmac.c: At top level:
   drivers/net/ethernet/allwinnertmp/sunxi-gmac.c:1752:5: warning: no previous prototype for 'geth_set_features' [-Wmissing-prototypes]
    1752 | int geth_set_features(struct net_device *ndev, netdev_features_t features)
         |     ^~~~~~~~~~~~~~~~~


vim +1313 drivers/net/ethernet/allwinnertmp/sunxi-gmac.c

  1254	
  1255	static int geth_open(struct net_device *ndev)
  1256	{
  1257		struct geth_priv *priv = netdev_priv(ndev);
  1258		int ret = 0;
  1259	
  1260		ret = geth_power_on(priv);
  1261		if (ret) {
  1262			netdev_err(ndev, "Power on is failed\n");
  1263			ret = -EINVAL;
  1264		}
  1265	
  1266		ret = geth_clk_enable(priv);
  1267		if (ret) {
  1268			pr_err("%s: clk enable is failed\n", __func__);
  1269			ret = -EINVAL;
  1270		}
  1271	
  1272		netif_carrier_off(ndev);
  1273	
  1274		ret = geth_phy_init(ndev);
  1275		if (ret)
  1276			goto err;
  1277	
  1278		ret = sunxi_mac_reset((void *)priv->base, &sunxi_udelay, 10000);
  1279		if (ret) {
  1280			netdev_err(ndev, "Initialize hardware error\n");
  1281			goto desc_err;
  1282		}
  1283	
  1284		sunxi_mac_init(priv->base, txmode, rxmode);
  1285		sunxi_set_umac(priv->base, ndev->dev_addr, 0);
  1286	
  1287		if (!priv->is_suspend) {
  1288			ret = geth_dma_desc_init(ndev);
  1289			if (ret) {
  1290				ret = -EINVAL;
  1291				goto desc_err;
  1292			}
  1293		}
  1294	
  1295		memset(priv->dma_tx, 0, dma_desc_tx * sizeof(struct dma_desc));
  1296		memset(priv->dma_rx, 0, dma_desc_rx * sizeof(struct dma_desc));
  1297	
  1298		desc_init_chain(priv->dma_rx, (unsigned long)priv->dma_rx_phy, dma_desc_rx);
  1299		desc_init_chain(priv->dma_tx, (unsigned long)priv->dma_tx_phy, dma_desc_tx);
  1300	
  1301		priv->rx_clean = 0;
  1302		priv->rx_dirty = 0;
  1303		priv->tx_clean = 0;
  1304		priv->tx_dirty = 0;
  1305		geth_rx_refill(ndev);
  1306	
  1307		/* Extra statistics */
  1308		memset(&priv->xstats, 0, sizeof(struct geth_extra_stats));
  1309	
  1310		if (ndev->phydev)
  1311			phy_start(ndev->phydev);
  1312	
> 1313		sunxi_start_rx(priv->base, (unsigned long)((struct dma_desc *)
  1314			       priv->dma_rx_phy + priv->rx_dirty));
  1315		sunxi_start_tx(priv->base, (unsigned long)((struct dma_desc *)
  1316			       priv->dma_tx_phy + priv->tx_clean));
  1317	
  1318		napi_enable(&priv->napi);
  1319		netif_start_queue(ndev);
  1320	
  1321		/* Enable the Rx/Tx */
  1322		sunxi_mac_enable(priv->base);
  1323	
  1324		return 0;
  1325	
  1326	desc_err:
  1327		geth_phy_release(ndev);
  1328	err:
  1329		geth_clk_disable(priv);
  1330		if (priv->is_suspend)
  1331			napi_enable(&priv->napi);
  1332	
  1333		geth_power_off(priv);
  1334	
  1335		return ret;
  1336	}
  1337	

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