linux-kernel - Re: [PATCH v4 1/6] iio: Add output buffer support

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Date:   Sat, 21 Aug 2021 08:24:10 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mihail Chindris <mihail.chindris@...log.com>,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        lars@...afoo.de, Michael.Hennerich@...log.com, jic23@...nel.org,
        nuno.sa@...log.com, dragos.bogdan@...log.com,
        alexandru.ardelean@...log.com,
        Mihail Chindris <mihail.chindris@...log.com>
Subject: Re: [PATCH v4 1/6] iio: Add output buffer support

Hi Mihail,

I love your patch! Perhaps something to improve:

[auto build test WARNING on 94a853eca720ac9e385e59f27e859b4a01123f58]

url:    https://github.com/0day-ci/linux/commits/Mihail-Chindris/iio-Add-output-buffer-support-and-DAC-example/20210821-010349
base:   94a853eca720ac9e385e59f27e859b4a01123f58
config: x86_64-randconfig-a005-20210821 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d9c5613e856cf2addfbf892fc4c1ce9ef9feceaa)
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
        # https://github.com/0day-ci/linux/commit/b4f124803ed8bfe5936c756ed4c7aa9124a1468a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mihail-Chindris/iio-Add-output-buffer-support-and-DAC-example/20210821-010349
        git checkout b4f124803ed8bfe5936c756ed4c7aa9124a1468a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/iio/industrialio-buffer.c:1415: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * When adding new attributes here, put the at the end, at least until


vim +1415 drivers/iio/industrialio-buffer.c

  1413	
  1414	/**
> 1415	 * When adding new attributes here, put the at the end, at least until
  1416	 * the code that handles the lengh/length_ro & watermark/watermark_ro
  1417	 * assignments gets cleaned up. Otherwise these can create some weird
  1418	 * duplicate attributes errors under some setups.
  1419	 */
  1420	static struct attribute *iio_buffer_attrs[] = {
  1421		&dev_attr_length.attr,
  1422		&dev_attr_enable.attr,
  1423		&dev_attr_watermark.attr,
  1424		&dev_attr_data_available.attr,
  1425		&dev_attr_direction.attr,
  1426	};
  1427	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (37506 bytes)