linux-kernel - Re: [PATCH v2 4/4] net: mdio: reset PHY before attempting to access registers in fwnode_mdiobus_register

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Message-ID: <202510161216.OMDTHD0v-lkp@intel.com>
Date: Thu, 16 Oct 2025 13:20:51 +0800
From: kernel test robot <lkp@...el.com>
To: Buday Csaba <buday.csaba@...lan.hu>, Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <f.fainelli@...il.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
	Buday Csaba <buday.csaba@...lan.hu>
Subject: Re: [PATCH v2 4/4] net: mdio: reset PHY before attempting to access
 registers in fwnode_mdiobus_register_phy

Hi Buday,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on net-next/main net/main linus/master v6.18-rc1 next-20251015]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Buday-Csaba/net-mdio-change-property-read-from-fwnode_property_read_u32-to-device_property_read_u32/20251015-214614
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20251015134503.107925-4-buday.csaba%40prolan.hu
patch subject: [PATCH v2 4/4] net: mdio: reset PHY before attempting to access registers in fwnode_mdiobus_register_phy
config: arc-randconfig-002-20251016 (https://download.01.org/0day-ci/archive/20251016/202510161216.OMDTHD0v-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251016/202510161216.OMDTHD0v-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/202510161216.OMDTHD0v-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: drivers/net/mdio/fwnode_mdio.c:121 function parameter 'bus' not described in 'fwnode_reset_phy'
>> Warning: drivers/net/mdio/fwnode_mdio.c:121 function parameter 'addr' not described in 'fwnode_reset_phy'
>> Warning: drivers/net/mdio/fwnode_mdio.c:121 function parameter 'phy_node' not described in 'fwnode_reset_phy'

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