linux-kernel - Re: [PATCH 15/21] power: supply: wm8350: Use devm_power_supply

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Date: Fri, 26 Jan 2024 21:00:46 +0800
From: kernel test robot <lkp@...el.com>
To: Andrew Davis <afd@...com>, Sebastian Reichel <sre@...nel.org>,
	Support Opensource <support.opensource@...semi.com>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Pali Rohár <pali@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andrew Davis <afd@...com>
Subject: Re: [PATCH 15/21] power: supply: wm8350: Use
 devm_power_supply_register() helper

Hi Andrew,

kernel test robot noticed the following build warnings:

[auto build test WARNING on sre-power-supply/for-next]
[also build test WARNING on linus/master v6.8-rc1 next-20240125]
[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/Andrew-Davis/power-supply-da9030-Use-devm_power_supply_register-helper/20240124-004253
base:   https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next
patch link:    https://lore.kernel.org/r/20240123163653.384385-16-afd%40ti.com
patch subject: [PATCH 15/21] power: supply: wm8350: Use devm_power_supply_register() helper
config: i386-buildonly-randconfig-004-20240126 (https://download.01.org/0day-ci/archive/20240126/202401262027.yOqHrHcD-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240126/202401262027.yOqHrHcD-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/202401262027.yOqHrHcD-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/power/supply/wm8350_power.c:573:23: warning: unused variable 'power' [-Wunused-variable]
     573 |         struct wm8350_power *power = &wm8350->power;
         |                              ^~~~~
   1 warning generated.


vim +/power +573 drivers/power/supply/wm8350_power.c

14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16  569  
42720969f394dc drivers/power/supply/wm8350_power.c Uwe Kleine-König 2023-09-18  570  static void wm8350_power_remove(struct platform_device *pdev)
14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16  571  {
14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16  572  	struct wm8350 *wm8350 = platform_get_drvdata(pdev);
14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16 @573  	struct wm8350_power *power = &wm8350->power;
14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16  574  
14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16  575  	free_charger_irq(wm8350);
14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16  576  	device_remove_file(&pdev->dev, &dev_attr_charger_state);
14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16  577  }
14431aa0c5a443 drivers/power/wm8350_power.c        Mark Brown       2008-11-16  578  

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