From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AC6242C80 for ; Wed, 8 Dec 2021 14:31:49 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10191"; a="301222195" X-IronPort-AV: E=Sophos;i="5.88,189,1635231600"; d="scan'208";a="301222195" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2021 06:31:49 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,189,1635231600"; d="scan'208";a="479917593" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga002.jf.intel.com with ESMTP; 08 Dec 2021 06:31:46 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1muxyz-0000fS-FK; Wed, 08 Dec 2021 14:31:45 +0000 Date: Wed, 8 Dec 2021 22:31:28 +0800 From: kernel test robot To: Gwendal Grignou , jic23@kernel.org, lars@metafoo.de, swboyd@chromium.org Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, andy.shevchenko@gmail.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Gwendal Grignou Subject: Re: [PATCH v5 3/5] iio: proximity: Add SX9324 support Message-ID: <202112082214.pv3MKwkH-lkp@intel.com> References: <20211208004311.3098571-4-gwendal@chromium.org> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211208004311.3098571-4-gwendal@chromium.org> User-Agent: Mutt/1.10.1 (2018-07-13) Hi Gwendal, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on v5.16-rc4 next-20211208] [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] url: https://github.com/0day-ci/linux/commits/Gwendal-Grignou/Expand-Semtech-SAR-Sensors-support/20211208-084635 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: arm-randconfig-c002-20211208 (https://download.01.org/0day-ci/archive/20211208/202112082214.pv3MKwkH-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/0day-ci/linux/commit/d02716a5c3a619239e594e6ba6af2ec38fd3de3d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Gwendal-Grignou/Expand-Semtech-SAR-Sensors-support/20211208-084635 git checkout d02716a5c3a619239e594e6ba6af2ec38fd3de3d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/iio/proximity/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/iio/proximity/sx9324.c:166:9: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int i, ret, pin_idx; ^ 1 warning generated. vim +/ret +166 drivers/iio/proximity/sx9324.c 158 159 static ssize_t sx9324_phase_configuration_show(struct iio_dev *indio_dev, 160 uintptr_t private, 161 const struct iio_chan_spec *chan, 162 char *buf) 163 { 164 struct sx_common_data *data = iio_priv(indio_dev); 165 unsigned int val; > 166 int i, ret, pin_idx; 167 size_t len = 0; 168 169 ret = regmap_read(data->regmap, SX9324_REG_AFE_PH0 + chan->channel, &val); 170 171 for (i = 0; i < SX9324_NUM_PINS; i++) { 172 pin_idx = (val & SX9324_REG_AFE_PH0_PIN_MASK(i)) >> (2 * i); 173 len += scnprintf(buf + len, PAGE_SIZE - len, "%s,", 174 sx9324_cs_pin_usage[pin_idx]); 175 } 176 buf[len - 1] = '\n'; 177 return len; 178 } 179 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org