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X-CSE-ConnectionGUID: +ie2uicEQ9WtggpnXbVB1A== X-CSE-MsgGUID: M3VCrLVSTwm4ZGj8hiMz1Q== X-IronPort-AV: E=McAfee;i="6800,10657,11928"; a="279753" X-IronPort-AV: E=Sophos;i="6.27,146,1787036400"; d="scan'208";a="279753" Received: from fmviesa012.fm.intel.com ([10.60.135.152]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Oct 2026 09:46:57 -0700 X-CSE-ConnectionGUID: GbDOzSzaSVmBlV8f31DQSg== X-CSE-MsgGUID: uW1pO5uBRBGKnV+PCecRLg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,146,1787036400"; d="scan'208";a="1912917" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa012.fm.intel.com with ESMTP; 08 Oct 2026 09:46:54 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xErGc-000000004f0-2yit; Thu, 08 Oct 2026 16:46:50 +0000 Date: Fri, 9 Oct 2026 00:46:35 +0800 From: kernel test robot To: Ariana Lazar , Jonathan Cameron , Guenter Roeck , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: oe-kbuild-all@lists.linux.dev, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Ariana Lazar Subject: Re: [PATCH v4 3/3] iio: adc: add support for PAC1711 Message-ID: <202610090029.8WKWgYLF-lkp@intel.com> References: <20261007-pac1711-v4-3-6ef34d7a7947@microchip.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: <20261007-pac1711-v4-3-6ef34d7a7947@microchip.com> Hi Ariana, kernel test robot noticed the following build warnings: [auto build test WARNING on cee9395acd8043be0644b25c34bfa86623f2b935] url: https://github.com/intel-lab-lkp/linux/commits/Ariana-Lazar/iio-core-add-IIO_CHARGE-channel-type/20261007-174153 base: cee9395acd8043be0644b25c34bfa86623f2b935 patch link: https://lore.kernel.org/r/20261007-pac1711-v4-3-6ef34d7a7947%40microchip.com patch subject: [PATCH v4 3/3] iio: adc: add support for PAC1711 config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20261009/202610090029.8WKWgYLF-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261009/202610090029.8WKWgYLF-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/202610090029.8WKWgYLF-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iio/adc/pac1711.c:134:51: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073667551616' to '-42000000' [-Woverflow] 134 | [PAC1711_FULL_RANGE_BIPOLAR] = { -PAC1711_VBUS_FSR_UV, PAC1711_VBUS_FSR_UV }, | ^ drivers/iio/adc/pac1711.c:135:51: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073688551616' to '-21000000' [-Woverflow] 135 | [PAC1711_HALF_RANGE_BIPOLAR] = { -PAC1711_VBUS_FSR_HALF_UV, | ^ drivers/iio/adc/pac1711.c:140:51: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073700551616' to '-9000000' [-Woverflow] 140 | [PAC1711_FULL_RANGE_BIPOLAR] = { -PAC1721_VBUS_FSR_UV, PAC1721_VBUS_FSR_UV }, | ^ drivers/iio/adc/pac1711.c:141:51: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073705051616' to '-4500000' [-Woverflow] 141 | [PAC1711_HALF_RANGE_BIPOLAR] = { -PAC1721_VBUS_FSR_HALF_UV, | ^ drivers/iio/adc/pac1711.c:148:42: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709451616' to '-100000' [-Woverflow] 148 | [PAC1711_FULL_RANGE_BIPOLAR] = { -PAC1711_VSENSE_FSR_UV, PAC1711_VSENSE_FSR_UV }, | ^ drivers/iio/adc/pac1711.c:149:42: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709501616' to '-50000' [-Woverflow] 149 | [PAC1711_HALF_RANGE_BIPOLAR] = { -PAC1711_VSENSE_FSR_HALF_UV, PAC1711_VSENSE_FSR_HALF_UV }, | ^ vim +134 drivers/iio/adc/pac1711.c 130 131 static const int pac1711_vbus_range_tbl[2][3][2] = { 132 [PAC1711_VOLTAGE_RANGE_IDX] = { 133 [PAC1711_FULL_RANGE_UNIPOLAR] = { 0, PAC1711_VBUS_FSR_UV }, > 134 [PAC1711_FULL_RANGE_BIPOLAR] = { -PAC1711_VBUS_FSR_UV, PAC1711_VBUS_FSR_UV }, 135 [PAC1711_HALF_RANGE_BIPOLAR] = { -PAC1711_VBUS_FSR_HALF_UV, 136 PAC1711_VBUS_FSR_HALF_UV }, 137 }, 138 [PAC1721_VOLTAGE_RANGE_IDX] = { 139 [PAC1711_FULL_RANGE_UNIPOLAR] = { 0, PAC1721_VBUS_FSR_UV }, 140 [PAC1711_FULL_RANGE_BIPOLAR] = { -PAC1721_VBUS_FSR_UV, PAC1721_VBUS_FSR_UV }, 141 [PAC1711_HALF_RANGE_BIPOLAR] = { -PAC1721_VBUS_FSR_HALF_UV, 142 PAC1721_VBUS_FSR_HALF_UV }, 143 }, 144 }; 145 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki