linux-kernel - Re: [PATCH net-next 7/8] net: smsc91xx: move down struct members

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Message-ID: <202410012317.iGlUJQY9-lkp@intel.com>
Date: Tue, 1 Oct 2024 23:44:33 +0800
From: kernel test robot <lkp@...el.com>
To: Rosen Penev <rosenp@...il.com>, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, andrew@...n.ch, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	linux-kernel@...r.kernel.org, steve.glendinning@...well.net
Subject: Re: [PATCH net-next 7/8] net: smsc91xx: move down struct members

Hi Rosen,

kernel test robot noticed the following build warnings:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Rosen-Penev/net-smsc911x-use-devm_platform_ioremap_resource/20241001-064430
base:   net-next/main
patch link:    https://lore.kernel.org/r/20240930224056.354349-8-rosenp%40gmail.com
patch subject: [PATCH net-next 7/8] net: smsc91xx: move down struct members
config: i386-randconfig-001-20241001 (https://download.01.org/0day-ci/archive/20241001/202410012317.iGlUJQY9-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/20241001/202410012317.iGlUJQY9-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/202410012317.iGlUJQY9-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/net/ethernet/smsc/smsc911x.c: In function 'smsc911x_request_resources':
>> drivers/net/ethernet/smsc/smsc911x.c:378:27: warning: variable 'reset_gpiod' set but not used [-Wunused-but-set-variable]
     378 |         struct gpio_desc *reset_gpiod;
         |                           ^~~~~~~~~~~


vim +/reset_gpiod +378 drivers/net/ethernet/smsc/smsc911x.c

   368	
   369	/*
   370	 * Request resources, currently just regulators.
   371	 *
   372	 * The SMSC911x has two power pins: vddvario and vdd33a, in designs where
   373	 * these are not always-on we need to request regulators to be turned on
   374	 * before we can try to access the device registers.
   375	 */
   376	static int smsc911x_request_resources(struct platform_device *pdev)
   377	{
 > 378		struct gpio_desc *reset_gpiod;
   379		struct clk *clk;
   380	
   381		/* Request optional RESET GPIO */
   382		reset_gpiod =
   383			devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW);
   384	
   385		/* Request clock */
   386		clk = devm_clk_get_optional(&pdev->dev, NULL);
   387		if (IS_ERR(clk))
   388			return dev_err_probe(&pdev->dev, PTR_ERR(clk),
   389					     "couldn't get clock");
   390	
   391		return 0;
   392	}
   393	

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