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Message-ID: <202312210853.t6DhuvdS-lkp@intel.com>
Date: Thu, 21 Dec 2023 08:41:54 +0800
From: kernel test robot <lkp@...el.com>
To: Luiz Angelo Daros de Luca <luizluca@...il.com>, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, linus.walleij@...aro.org,
	alsi@...g-olufsen.dk, andrew@...n.ch, f.fainelli@...il.com,
	olteanv@...il.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, arinc.unal@...nc9.com,
	Luiz Angelo Daros de Luca <luizluca@...il.com>
Subject: Re: [PATCH net-next v2 7/7] Revert "net: dsa: OF-ware slave_mii_bus"

Hi Luiz,

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/Luiz-Angelo-Daros-de-Luca/net-dsa-realtek-drop-cleanup-from-realtek_ops/20231220-122907
base:   net-next/main
patch link:    https://lore.kernel.org/r/20231220042632.26825-8-luizluca%40gmail.com
patch subject: [PATCH net-next v2 7/7] Revert "net: dsa: OF-ware slave_mii_bus"
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20231221/202312210853.t6DhuvdS-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231221/202312210853.t6DhuvdS-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/202312210853.t6DhuvdS-lkp@intel.com/

All errors (new ones prefixed by >>):

   net/dsa/dsa.c: In function 'dsa_switch_setup':
>> net/dsa/dsa.c:667:60: error: macro "mdiobus_register" passed 2 arguments, but takes just 1
     667 |                 err = mdiobus_register(ds->user_mii_bus, dn);
         |                                                            ^
   In file included from include/linux/of_net.h:9,
                    from net/dsa/dsa.c:18:
   include/linux/phy.h:456: note: macro "mdiobus_register" defined here
     456 | #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
         | 
>> net/dsa/dsa.c:667:23: error: 'mdiobus_register' undeclared (first use in this function); did you mean 'mdiobus_unregister'?
     667 |                 err = mdiobus_register(ds->user_mii_bus, dn);
         |                       ^~~~~~~~~~~~~~~~
         |                       mdiobus_unregister
   net/dsa/dsa.c:667:23: note: each undeclared identifier is reported only once for each function it appears in


vim +/mdiobus_register +667 net/dsa/dsa.c

   625	
   626	static int dsa_switch_setup(struct dsa_switch *ds)
   627	{
   628		int err;
   629	
   630		if (ds->setup)
   631			return 0;
   632	
   633		/* Initialize ds->phys_mii_mask before registering the user MDIO bus
   634		 * driver and before ops->setup() has run, since the switch drivers and
   635		 * the user MDIO bus driver rely on these values for probing PHY
   636		 * devices or not
   637		 */
   638		ds->phys_mii_mask |= dsa_user_ports(ds);
   639	
   640		err = dsa_switch_devlink_alloc(ds);
   641		if (err)
   642			return err;
   643	
   644		err = dsa_switch_register_notifier(ds);
   645		if (err)
   646			goto devlink_free;
   647	
   648		ds->configure_vlan_while_not_filtering = true;
   649	
   650		err = ds->ops->setup(ds);
   651		if (err < 0)
   652			goto unregister_notifier;
   653	
   654		err = dsa_switch_setup_tag_protocol(ds);
   655		if (err)
   656			goto teardown;
   657	
   658		if (!ds->user_mii_bus && ds->ops->phy_read) {
   659			ds->user_mii_bus = mdiobus_alloc();
   660			if (!ds->user_mii_bus) {
   661				err = -ENOMEM;
   662				goto teardown;
   663			}
   664	
   665			dsa_user_mii_bus_init(ds);
   666	
 > 667			err = mdiobus_register(ds->user_mii_bus, dn);
   668			if (err < 0)
   669				goto free_user_mii_bus;
   670		}
   671	
   672		dsa_switch_devlink_register(ds);
   673	
   674		ds->setup = true;
   675		return 0;
   676	
   677	free_user_mii_bus:
   678		if (ds->user_mii_bus && ds->ops->phy_read)
   679			mdiobus_free(ds->user_mii_bus);
   680	teardown:
   681		if (ds->ops->teardown)
   682			ds->ops->teardown(ds);
   683	unregister_notifier:
   684		dsa_switch_unregister_notifier(ds);
   685	devlink_free:
   686		dsa_switch_devlink_free(ds);
   687		return err;
   688	}
   689	

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

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