linux-kernel - Re: [PATCH v4 3/4] media: raspberrypi: Add support for RP1-CFE

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Message-ID: <202409051822.ZzUGw3XQ-lkp@intel.com>
Date: Thu, 5 Sep 2024 18:50:48 +0800
From: kernel test robot <lkp@...el.com>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	Naushir Patuck <naush@...pberrypi.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Jacopo Mondi <jacopo.mondi@...asonboard.com>,
	Kieran Bingham <kieran.bingham@...asonboard.com>,
	Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Subject: Re: [PATCH v4 3/4] media: raspberrypi: Add support for RP1-CFE

Hi Tomi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 431c1646e1f86b949fa3685efc50b660a364c2b6]

url:    https://github.com/intel-lab-lkp/linux/commits/Tomi-Valkeinen/media-uapi-Add-meta-formats-for-PiSP-FE-config-and-stats/20240904-192729
base:   431c1646e1f86b949fa3685efc50b660a364c2b6
patch link:    https://lore.kernel.org/r/20240904-rp1-cfe-v4-3-f1b5b3d69c81%40ideasonboard.com
patch subject: [PATCH v4 3/4] media: raspberrypi: Add support for RP1-CFE
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240905/202409051822.ZzUGw3XQ-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240905/202409051822.ZzUGw3XQ-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/202409051822.ZzUGw3XQ-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/platform/raspberrypi/rp1-cfe/cfe.c:2445:12: warning: 'cfe_runtime_resume' defined but not used [-Wunused-function]
    2445 | static int cfe_runtime_resume(struct device *dev)
         |            ^~~~~~~~~~~~~~~~~~
>> drivers/media/platform/raspberrypi/rp1-cfe/cfe.c:2435:12: warning: 'cfe_runtime_suspend' defined but not used [-Wunused-function]
    2435 | static int cfe_runtime_suspend(struct device *dev)
         |            ^~~~~~~~~~~~~~~~~~~


vim +/cfe_runtime_resume +2445 drivers/media/platform/raspberrypi/rp1-cfe/cfe.c

  2434	
> 2435	static int cfe_runtime_suspend(struct device *dev)
  2436	{
  2437		struct platform_device *pdev = to_platform_device(dev);
  2438		struct cfe_device *cfe = platform_get_drvdata(pdev);
  2439	
  2440		clk_disable_unprepare(cfe->clk);
  2441	
  2442		return 0;
  2443	}
  2444	
> 2445	static int cfe_runtime_resume(struct device *dev)
  2446	{
  2447		struct platform_device *pdev = to_platform_device(dev);
  2448		struct cfe_device *cfe = platform_get_drvdata(pdev);
  2449		int ret;
  2450	
  2451		ret = clk_prepare_enable(cfe->clk);
  2452		if (ret) {
  2453			dev_err(dev, "Unable to enable clock\n");
  2454			return ret;
  2455		}
  2456	
  2457		return 0;
  2458	}
  2459	

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