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X-CSE-ConnectionGUID: /7E2OMO3SkmJ9KAsIuyWQw== X-CSE-MsgGUID: e+tZzl08R5uPNMZ6Inyt+w== X-IronPort-AV: E=McAfee;i="6800,10657,11669"; a="69439347" X-IronPort-AV: E=Sophos;i="6.21,221,1763452800"; d="scan'208";a="69439347" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2026 08:38:39 -0800 X-CSE-ConnectionGUID: HjepE92rSi+YewpXaVU9aA== X-CSE-MsgGUID: Wz3E33p6RWSK5dS3rQ16Nw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,221,1763452800"; d="scan'208";a="235372759" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 12 Jan 2026 08:38:36 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vfKw5-00000000DaI-409o; Mon, 12 Jan 2026 16:38:33 +0000 Date: Tue, 13 Jan 2026 00:38:18 +0800 From: kernel test robot To: Edelweise Escala , Lee Jones , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: oe-kbuild-all@lists.linux.dev, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Edelweise Escala Subject: Re: [PATCH v2 2/2] leds: ltc3220: Add Support for LTC3220 18 channel LED Driver Message-ID: <202601122335.DZgiMBky-lkp@intel.com> References: <20260112-ltc3220-driver-v2-2-d043058fc4df@analog.com> Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260112-ltc3220-driver-v2-2-d043058fc4df@analog.com> Hi Edelweise, kernel test robot noticed the following build warnings: [auto build test WARNING on 8856d7fe1758937ac528770f552ec58c388c255b] url: https://github.com/intel-lab-lkp/linux/commits/Edelweise-Escala/dt-bindings-leds-Add-LTC3220-18-channel-LED-Driver/20260112-170223 base: 8856d7fe1758937ac528770f552ec58c388c255b patch link: https://lore.kernel.org/r/20260112-ltc3220-driver-v2-2-d043058fc4df%40analog.com patch subject: [PATCH v2 2/2] leds: ltc3220: Add Support for LTC3220 18 channel LED Driver config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20260112/202601122335.DZgiMBky-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260112/202601122335.DZgiMBky-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202601122335.DZgiMBky-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/leds/leds-ltc3220.c:348:12: warning: 'ltc3220_resume' defined but not used [-Wunused-function] 348 | static int ltc3220_resume(struct device *dev) | ^~~~~~~~~~~~~~ >> drivers/leds/leds-ltc3220.c:340:12: warning: 'ltc3220_suspend' defined but not used [-Wunused-function] 340 | static int ltc3220_suspend(struct device *dev) | ^~~~~~~~~~~~~~~ vim +/ltc3220_resume +348 drivers/leds/leds-ltc3220.c 339 > 340 static int ltc3220_suspend(struct device *dev) 341 { 342 struct i2c_client *client = to_i2c_client(dev); 343 struct ltc3220_state *ltc3220_state = i2c_get_clientdata(client); 344 345 return ltc3220_shutdown(ltc3220_state); 346 } 347 > 348 static int ltc3220_resume(struct device *dev) 349 { 350 struct i2c_client *client = to_i2c_client(dev); 351 struct ltc3220_state *ltc3220_state = i2c_get_clientdata(client); 352 353 return ltc3220_resume_from_shutdown(ltc3220_state); 354 } 355 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki