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X-CSE-ConnectionGUID: B4kyHF9lR5mPlpKxo/SnPQ== X-CSE-MsgGUID: y5KQnqhvQeyvlxDBDDZH0g== X-IronPort-AV: E=McAfee;i="6800,10657,11682"; a="70501576" X-IronPort-AV: E=Sophos;i="6.21,254,1763452800"; d="scan'208";a="70501576" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 02:18:14 -0800 X-CSE-ConnectionGUID: EZyT1F7jTTazaVY3kxp/rQ== X-CSE-MsgGUID: Wla4yzLASDOGBJsv28hOPg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,254,1763452800"; d="scan'208";a="211736576" Received: from smoticic-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.245.122]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 02:18:10 -0800 Date: Mon, 26 Jan 2026 12:18:07 +0200 From: Andy Shevchenko To: kernel test robot Cc: Kyle Hsieh , Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Beguin , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 2/2] iio: adc: ltc2309: add support for ltc2305 Message-ID: References: <20260126-add_ltc2305_driver-v3-2-951349a87f97@gmail.com> <202601261441.M4qQzY72-lkp@intel.com> Precedence: bulk X-Mailing-List: devicetree@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: <202601261441.M4qQzY72-lkp@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Mon, Jan 26, 2026 at 02:22:21PM +0800, kernel test robot wrote: > Hi Kyle, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on 9448598b22c50c8a5bb77a9103e2d49f134c9578] > > url: https://github.com/intel-lab-lkp/linux/commits/Kyle-Hsieh/dt-bindings-adc-ltc2497-add-support-for-ltc2305/20260126-093339 > base: 9448598b22c50c8a5bb77a9103e2d49f134c9578 > patch link: https://lore.kernel.org/r/20260126-add_ltc2305_driver-v3-2-951349a87f97%40gmail.com > patch subject: [PATCH v3 2/2] iio: adc: ltc2309: add support for ltc2305 > config: i386-buildonly-randconfig-006-20260126 (https://download.01.org/0day-ci/archive/20260126/202601261441.M4qQzY72-lkp@intel.com/config) > compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260126/202601261441.M4qQzY72-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/202601261441.M4qQzY72-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > >> drivers/iio/adc/ltc2309.c:209:20: warning: variable 'chip_info' is uninitialized when used here [-Wuninitialized] > 209 | indio_dev->name = chip_info->name; > | ^~~~~~~~~ > drivers/iio/adc/ltc2309.c:195:43: note: initialize the variable 'chip_info' to silence this warning > 195 | const struct ltc2309_chip_info *chip_info; > | ^ > | = NULL This is so wrong advice! > 1 warning generated. ... The device_get_match_data() call is missing. -- With Best Regards, Andy Shevchenko