From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=192.198.163.19 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794017651; b=QxMnvmaqoEehlIr09CpmLw85QtdAkLDYeqnIPIGb+er81loCHmcwcr6aV89EWwegKBrg Wy30Q5BAdTHCxbNSCQAx0wvJ4DZ/Bdqnmo8FdTwhYMLqUuaVWlCYngsVa2Cafnncx+boA RHo9ScM5FUUAWZ8eGC7pxEowZvkqw4NKG2bezmdJVGUEY3oKLS2AF6AXgHNBbrPLu5s6S MMqzdiVfV7K306MShRiAyVFlR64ndcoI26AI426mwzXJVB3WQdOnNF5iHYwpu584r+Yr1 1xh1YkzbFvG9DLRslikd6AzT0DajsyG64hqqxYfoOJxmt6R6tYrMi13yEFCzq5MovTg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794017651; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Received:Date:From:To: Cc:Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=BX7THsmosjCKccT+25A6DC5CxzkdJXQF4Pn0GPYFDes=; b=GtfwOSrTQZ2AhBqC/0IA8YxO5NF1k2jIungPg8nldKATDmjKuzdRg0HIZi1kZXFQZ4kN /JnJPQi5XBMdWPD576gr0pdZVz9vgHTz48gn2igpcHY46gp5KwfY9VjlEuPYeN7eJZmxl Fkw/7jzGYrQG/lS/s+dzhTEpw/MorxoEEwCthPLJ8xpHJc34jKCuSdabCyxulTpbS5M4k UuMqGK77DbFXqJpF3yqCHloTj2gDw2zApXi4hKCk4RXj1eWQfs5wKMYSG035Mh25slTTR t8BQYZJmShPNrDUfFHlRj4/9826qIEZ7nAcZQAV7QBCrlLF288qDzaWr4MTg/McI3kg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=RJPWXvf9; arc=none smtp.remote-ip=192.198.163.19 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0FEA1606A32D; Sat, 7 Nov 2026 02:14:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 0FEA1606A32D Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=RJPWXvf9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1794017650; x=1825553650; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=k+Jp0wNiYpjW9kANomoHZViOrgIyHRcD6+ATfOSXlMA=; b=RJPWXvf9mu8Xp6GBy8Ec/MDPm6KkREuHBtUV4sXx9TbMHF53Edqg1kE1 EL2YwziAxKQ59k1HhQ7Iq8RgAfyydWKcyXE66+FRRfSnOlK9/n0HeCnJw tY11ghfJbAlAeAScG0FpEVANkbsreBvEb2KDBvjtvmTUwSNs9zhzNJs9m SliBVMrWV9QGY6SNfC1nz+CvqLWOvBc8RV67eLhXOyQIJij+29t1QEZY/ 4+6DRhMFR6DI96TgSdKGvDvOz9tQh4u3JNNNAj6Wxau//5cyHNZbxGrDW Vcy03Gd8ZMmr4pX0/r3PBovRwcYP5ydK8Mv66OUeQoT0doR5mqr1bUpAx g==; X-CSE-ConnectionGUID: V6mPkg82QMyk06RaMzCbJA== X-CSE-MsgGUID: JXsWBeTgQL+CFDsiMAvIxQ== X-IronPort-AV: E=McAfee;i="6800,10657,11958"; a="2936279" X-IronPort-AV: E=Sophos;i="6.27,199,1787036400"; d="scan'208";a="2936279" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2026 18:14:09 -0800 X-CSE-ConnectionGUID: dtk/InDfQyyPzBIT86xgiA== X-CSE-MsgGUID: Jf4NbIBNQVKBFdjaqR2nNw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,199,1787036400"; d="scan'208";a="7468960" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by orviesa006.jf.intel.com with ESMTP; 06 Nov 2026 18:14:07 -0800 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xPVwS-00000000qEJ-1oEy; Sat, 07 Nov 2026 02:14:04 +0000 Date: Sat, 7 Nov 2026 10:13:18 +0800 From: kernel test robot To: Victor Chernyakin , Jonathan Cameron Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Victor Chernyakin Subject: Re: [PATCH v5 4/4] iio: cdc: add Texas Instruments FDC1004 driver Message-ID: <202611071039.px4NasIH-lkp@intel.com> References: X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Victor, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v7.4-rc1 next-20261105] [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/Victor-Chernyakin/iio-prepare-iio_format_value-to-handle-higher-precision-IIO_VAL_DECIMAL64_-formats/20261106-094026 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/SN1PR12MB2528BA7C696815089DCAD02FA5762%40SN1PR12MB2528.namprd12.prod.outlook.com patch subject: [PATCH v5 4/4] iio: cdc: add Texas Instruments FDC1004 driver config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20261107/202611071039.px4NasIH-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 812626a41399a1d464a0d69627ab45c83b8ebfb9) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261107/202611071039.px4NasIH-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/202611071039.px4NasIH-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iio/cdc/fdc1004.c:69:10: warning: overflow in expression; result is 758'541'150 with type 'long' [-Winteger-overflow] 69 | +0x7FFF * 488281250L, /* max */ | ~~~~~~~~^~~~~~~~~~~~ drivers/iio/cdc/fdc1004.c:67:10: warning: overflow in expression; result is -1'246'822'400 with type 'long' [-Winteger-overflow] 67 | -0x8000 * 488281250L, /* min */ | ~~~~~~~~^~~~~~~~~~~~ 2 warnings generated. vim +69 drivers/iio/cdc/fdc1004.c 59 60 /* 61 * OFFSET_CAL_CINn: 16 bits, signed. Format: IIO_VAL_DECIMAL64_FEMTO. 62 * 1 step = 1/(2^11) pF = 1/(1000 * 2^11) nF = 0.000000488281250 nF. 63 * Negative values are used to cancel out any parasitic capacitance 64 * of the sensor's external circuitry. 65 */ 66 static const s64 fdc1004_calibbias[] = { 67 -0x8000 * 488281250L, /* min */ 68 +0x0001 * 488281250L, /* step */ > 69 +0x7FFF * 488281250L, /* max */ 70 }; 71 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki