[csky-linux:linux-5.15-rc1-d1-v4 7/7] drivers/net/ethernet/allwinnertmp/sunxi-gmac.c:1313:52: warning: cast to pointer from integer of different size

kernel test robot
2021-09-04T12:53:09Z

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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

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