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X-CSE-ConnectionGUID: 9e8wPKAmTs2592bGYMcYug== X-CSE-MsgGUID: FvcvyRYeTteN6WeDnN/Paw== X-IronPort-AV: E=McAfee;i="6700,10204,11266"; a="32775361" X-IronPort-AV: E=Sophos;i="6.12,182,1728975600"; d="scan'208";a="32775361" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2024 02:15:41 -0800 X-CSE-ConnectionGUID: CXoMBjGrSLi4vnp/rs/TZg== X-CSE-MsgGUID: PstgRX2IRbmlkbtaqb3uRw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,182,1728975600"; d="scan'208";a="91636260" Received: from lkp-server01.sh.intel.com (HELO 8122d2fc1967) ([10.239.97.150]) by orviesa007.jf.intel.com with ESMTP; 25 Nov 2024 02:15:37 -0800 Received: from kbuild by 8122d2fc1967 with local (Exim 4.96) (envelope-from ) id 1tFW7y-00068s-2H; Mon, 25 Nov 2024 10:15:34 +0000 Date: Mon, 25 Nov 2024 18:14:58 +0800 From: kernel test robot To: Uwe =?unknown-8bit?Q?Kleine-K=C3=B6nig?= , Jonathan Cameron , Lars-Peter Clausen , Michael Hennerich Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Alexandru Ardelean , Alisa-Dariana Roman , Andy Shevchenko , Conor Dooley , David Lechner , Dumitru Ceclan , Krzysztof Kozlowski , Nuno Sa , Rob Herring , devicetree@vger.kernel.org, linux-iio@vger.kernel.org Subject: Re: [PATCH v3 07/10] iio: adc: ad_sigma_delta: Store information about reset sequence length Message-ID: <202411251711.ZE0hl0cg-lkp@intel.com> References: <20241122113322.242875-19-u.kleine-koenig@baylibre.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=unknown-8bit Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20241122113322.242875-19-u.kleine-koenig@baylibre.com> Hi Uwe, kernel test robot noticed the following build warnings: [auto build test WARNING on adc218676eef25575469234709c2d87185ca223a] url: https://github.com/intel-lab-lkp/linux/commits/Uwe-Kleine-K-nig/iio-adc-ad7124-Don-t-create-more-channels-than-the-driver-can-handle/20241125-104725 base: adc218676eef25575469234709c2d87185ca223a patch link: https://lore.kernel.org/r/20241122113322.242875-19-u.kleine-koenig%40baylibre.com patch subject: [PATCH v3 07/10] iio: adc: ad_sigma_delta: Store information about reset sequence length config: i386-buildonly-randconfig-003-20241125 (https://download.01.org/0day-ci/archive/20241125/202411251711.ZE0hl0cg-lkp@intel.com/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241125/202411251711.ZE0hl0cg-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/202411251711.ZE0hl0cg-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iio/adc/ad_sigma_delta.c:186: warning: Excess function parameter 'reset_length' description in 'ad_sd_reset' vim +186 drivers/iio/adc/ad_sigma_delta.c af3008485ea037 Lars-Peter Clausen 2012-08-10 176 7fc10de8d49a74 Dragos Bogdan 2017-09-05 177 /** 7fc10de8d49a74 Dragos Bogdan 2017-09-05 178 * ad_sd_reset() - Reset the serial interface 7fc10de8d49a74 Dragos Bogdan 2017-09-05 179 * 7fc10de8d49a74 Dragos Bogdan 2017-09-05 180 * @sigma_delta: The sigma delta device 7fc10de8d49a74 Dragos Bogdan 2017-09-05 181 * @reset_length: Number of SCLKs with DIN = 1 7fc10de8d49a74 Dragos Bogdan 2017-09-05 182 * 7fc10de8d49a74 Dragos Bogdan 2017-09-05 183 * Returns 0 on success, an error code otherwise. 7fc10de8d49a74 Dragos Bogdan 2017-09-05 184 **/ 066265377484bc Uwe Kleine-König 2024-11-22 185 int ad_sd_reset(struct ad_sigma_delta *sigma_delta) 7fc10de8d49a74 Dragos Bogdan 2017-09-05 @186 { 066265377484bc Uwe Kleine-König 2024-11-22 187 unsigned int reset_length = sigma_delta->info->num_resetclks; 066265377484bc Uwe Kleine-König 2024-11-22 188 unsigned int size = DIV_ROUND_UP(reset_length, 8); 7fc10de8d49a74 Dragos Bogdan 2017-09-05 189 uint8_t *buf; 7fc10de8d49a74 Dragos Bogdan 2017-09-05 190 int ret; 7fc10de8d49a74 Dragos Bogdan 2017-09-05 191 7fc10de8d49a74 Dragos Bogdan 2017-09-05 192 buf = kcalloc(size, sizeof(*buf), GFP_KERNEL); 7fc10de8d49a74 Dragos Bogdan 2017-09-05 193 if (!buf) 7fc10de8d49a74 Dragos Bogdan 2017-09-05 194 return -ENOMEM; 7fc10de8d49a74 Dragos Bogdan 2017-09-05 195 7fc10de8d49a74 Dragos Bogdan 2017-09-05 196 memset(buf, 0xff, size); 7fc10de8d49a74 Dragos Bogdan 2017-09-05 197 ret = spi_write(sigma_delta->spi, buf, size); 7fc10de8d49a74 Dragos Bogdan 2017-09-05 198 kfree(buf); 7fc10de8d49a74 Dragos Bogdan 2017-09-05 199 7fc10de8d49a74 Dragos Bogdan 2017-09-05 200 return ret; 7fc10de8d49a74 Dragos Bogdan 2017-09-05 201 } ef807729767fb7 Jonathan Cameron 2022-01-30 202 EXPORT_SYMBOL_NS_GPL(ad_sd_reset, IIO_AD_SIGMA_DELTA); 7fc10de8d49a74 Dragos Bogdan 2017-09-05 203 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki