Message-ID: <202109301212.NWu8oj7u-lkp@intel.com>
Date:   Thu, 30 Sep 2021 12:42:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [lunn:v5.15-rc2-net-next-phy-lock 14/14]
 drivers/net/dsa/b53/b53_common.c:1297:19: error: implicit declaration of
 function 'b53_adjust_init'

tree:   https://github.com/lunn/linux.git v5.15-rc2-net-next-phy-lock
head:   a5fc611ff3720771a7c6c8f5acefff8708757020
commit: a5fc611ff3720771a7c6c8f5acefff8708757020 [14/14] net: phy: phy_init_eee: Add locking
config: hexagon-randconfig-r006-20210929 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 28981015526f2192440c18f18e8a20cd11b0779c)
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/lunn/linux/commit/a5fc611ff3720771a7c6c8f5acefff8708757020
        git remote add lunn https://github.com/lunn/linux.git
        git fetch --no-tags lunn v5.15-rc2-net-next-phy-lock
        git checkout a5fc611ff3720771a7c6c8f5acefff8708757020
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 

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

All errors (new ones prefixed by >>):

>> drivers/net/dsa/b53/b53_common.c:1297:19: error: implicit declaration of function 'b53_adjust_init' [-Werror,-Wimplicit-function-declaration]
           p->eee_enabled = b53_adjust_init(ds, port, phydev);
                            ^
   drivers/net/dsa/b53/b53_common.c:1297:19: note: did you mean 'b53_adjust_link'?
   drivers/net/dsa/b53/b53_common.c:1212:13: note: 'b53_adjust_link' declared here
   static void b53_adjust_link(struct dsa_switch *ds, int port,
               ^
   1 error generated.


vim +/b53_adjust_init +1297 drivers/net/dsa/b53/b53_common.c

  1211	
  1212	static void b53_adjust_link(struct dsa_switch *ds, int port,
  1213				    struct phy_device *phydev)
  1214	{
  1215		struct b53_device *dev = ds->priv;
  1216		struct ethtool_eee *p = &dev->ports[port].eee;
  1217		u8 rgmii_ctrl = 0, reg = 0, off;
  1218		bool tx_pause = false;
  1219		bool rx_pause = false;
  1220	
  1221		if (!phy_is_pseudo_fixed_link(phydev))
  1222			return;
  1223	
  1224		/* Enable flow control on BCM5301x's CPU port */
  1225		if (is5301x(dev) && dsa_is_cpu_port(ds, port))
  1226			tx_pause = rx_pause = true;
  1227	
  1228		if (phydev->pause) {
  1229			if (phydev->asym_pause)
  1230				tx_pause = true;
  1231			rx_pause = true;
  1232		}
  1233	
  1234		b53_force_port_config(dev, port, phydev->speed, phydev->duplex,
  1235				      tx_pause, rx_pause);
  1236		b53_force_link(dev, port, phydev->link);
  1237	
  1238		if (is531x5(dev) && phy_interface_is_rgmii(phydev)) {
  1239			if (port == dev->imp_port)
  1240				off = B53_RGMII_CTRL_IMP;
  1241			else
  1242				off = B53_RGMII_CTRL_P(port);
  1243	
  1244			/* Configure the port RGMII clock delay by DLL disabled and
  1245			 * tx_clk aligned timing (restoring to reset defaults)
  1246			 */
  1247			b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl);
  1248			rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC |
  1249					RGMII_CTRL_TIMING_SEL);
  1250	
  1251			/* PHY_INTERFACE_MODE_RGMII_TXID means TX internal delay, make
  1252			 * sure that we enable the port TX clock internal delay to
  1253			 * account for this internal delay that is inserted, otherwise
  1254			 * the switch won't be able to receive correctly.
  1255			 *
  1256			 * PHY_INTERFACE_MODE_RGMII means that we are not introducing
  1257			 * any delay neither on transmission nor reception, so the
  1258			 * BCM53125 must also be configured accordingly to account for
  1259			 * the lack of delay and introduce
  1260			 *
  1261			 * The BCM53125 switch has its RX clock and TX clock control
  1262			 * swapped, hence the reason why we modify the TX clock path in
  1263			 * the "RGMII" case
  1264			 */
  1265			if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
  1266				rgmii_ctrl |= RGMII_CTRL_DLL_TXC;
  1267			if (phydev->interface == PHY_INTERFACE_MODE_RGMII)
  1268				rgmii_ctrl |= RGMII_CTRL_DLL_TXC | RGMII_CTRL_DLL_RXC;
  1269			rgmii_ctrl |= RGMII_CTRL_TIMING_SEL;
  1270			b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
  1271	
  1272			dev_info(ds->dev, "Configured port %d for %s\n", port,
  1273				 phy_modes(phydev->interface));
  1274		}
  1275	
  1276		/* configure MII port if necessary */
  1277		if (is5325(dev)) {
  1278			b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL,
  1279				  &reg);
  1280	
  1281			/* reverse mii needs to be enabled */
  1282			if (!(reg & PORT_OVERRIDE_RV_MII_25)) {
  1283				b53_write8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL,
  1284					   reg | PORT_OVERRIDE_RV_MII_25);
  1285				b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL,
  1286					  &reg);
  1287	
  1288				if (!(reg & PORT_OVERRIDE_RV_MII_25)) {
  1289					dev_err(ds->dev,
  1290						"Failed to enable reverse MII mode\n");
  1291					return;
  1292				}
  1293			}
  1294		}
  1295	
  1296		/* Re-negotiate EEE if it was enabled already */
> 1297		p->eee_enabled = b53_adjust_init(ds, port, phydev);
  1298	}
  1299	

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

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