linux-kernel - Re: [PATCH net-next v3 5/7] net: usb: lan78xx: port link settings to phylink API

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Message-ID: <202503151447.4eGbKrTa-lkp@intel.com>
Date: Sat, 15 Mar 2025 15:16:19 +0800
From: kernel test robot <lkp@...el.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Russell King <rmk+kernel@...linux.org.uk>,
	Thangaraj Samynathan <Thangaraj.S@...rochip.com>,
	Rengarajan Sundararajan <Rengarajan.S@...rochip.com>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
	Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org, UNGLinuxDriver@...rochip.com,
	Phil Elwell <phil@...pberrypi.org>
Subject: Re: [PATCH net-next v3 5/7] net: usb: lan78xx: port link settings to
 phylink API

Hi Oleksij,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Oleksij-Rempel/net-usb-lan78xx-Convert-to-PHYlink-for-improved-PHY-and-MAC-management/20250310-200116
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250310115737.784047-6-o.rempel%40pengutronix.de
patch subject: [PATCH net-next v3 5/7] net: usb: lan78xx: port link settings to phylink API
config: i386-randconfig-006-20250315 (https://download.01.org/0day-ci/archive/20250315/202503151447.4eGbKrTa-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250315/202503151447.4eGbKrTa-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503151447.4eGbKrTa-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_set_link_ksettings':
>> drivers/net/usb/lan78xx.c:1874: undefined reference to `phylink_ethtool_ksettings_set'
   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_get_link_ksettings':
>> drivers/net/usb/lan78xx.c:1866: undefined reference to `phylink_ethtool_ksettings_get'
   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_open':
   drivers/net/usb/lan78xx.c:3252: undefined reference to `phylink_start'
   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_stop':
   drivers/net/usb/lan78xx.c:3322: undefined reference to `phylink_stop'
   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_disconnect':
   drivers/net/usb/lan78xx.c:4347: undefined reference to `phylink_stop'
   ld: drivers/net/usb/lan78xx.c:4348: undefined reference to `phylink_disconnect_phy'
   ld: drivers/net/usb/lan78xx.c:4359: undefined reference to `phylink_destroy'
   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_reset_resume':
   drivers/net/usb/lan78xx.c:5145: undefined reference to `phylink_start'
   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_phy_init':
   drivers/net/usb/lan78xx.c:2650: undefined reference to `phylink_connect_phy'
   ld: drivers/net/usb/lan78xx.c:2618: undefined reference to `phylink_set_fixed_link'
   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_phylink_setup':
   drivers/net/usb/lan78xx.c:2588: undefined reference to `phylink_create'
   ld: drivers/net/usb/lan78xx.o: in function `lan78xx_probe':
   drivers/net/usb/lan78xx.c:4581: undefined reference to `phylink_disconnect_phy'
   ld: drivers/net/usb/lan78xx.c:4583: undefined reference to `phylink_destroy'


vim +1874 drivers/net/usb/lan78xx.c

  1860	
  1861	static int lan78xx_get_link_ksettings(struct net_device *net,
  1862					      struct ethtool_link_ksettings *cmd)
  1863	{
  1864		struct lan78xx_net *dev = netdev_priv(net);
  1865	
> 1866		return phylink_ethtool_ksettings_get(dev->phylink, cmd);
  1867	}
  1868	
  1869	static int lan78xx_set_link_ksettings(struct net_device *net,
  1870					      const struct ethtool_link_ksettings *cmd)
  1871	{
  1872		struct lan78xx_net *dev = netdev_priv(net);
  1873	
> 1874		return phylink_ethtool_ksettings_set(dev->phylink, cmd);
  1875	}
  1876	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki