linux-kernel - Re: [PATCH v6 8/8] iio: adc: ad7606: add support for AD7606C-{16,18} parts

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Message-ID: <202409140543.VXctRtFP-lkp@intel.com>
Date: Sat, 14 Sep 2024 05:22:24 +0800
From: kernel test robot <lkp@...el.com>
To: Alexandru Ardelean <aardelean@...libre.com>, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, jic23@...nel.org,
	krzk+dt@...nel.org, robh@...nel.org, lars@...afoo.de,
	michael.hennerich@...log.com, gstols@...libre.com,
	dlechner@...libre.com, Alexandru Ardelean <aardelean@...libre.com>
Subject: Re: [PATCH v6 8/8] iio: adc: ad7606: add support for AD7606C-{16,18}
 parts

Hi Alexandru,

kernel test robot noticed the following build warnings:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on next-20240913]
[cannot apply to linus/master v6.11-rc7]
[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/Alexandru-Ardelean/iio-adc-ad7606-add-bits-parameter-to-channels-macros/20240913-220501
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link:    https://lore.kernel.org/r/20240913135744.152669-9-aardelean%40baylibre.com
patch subject: [PATCH v6 8/8] iio: adc: ad7606: add support for AD7606C-{16,18} parts
config: i386-buildonly-randconfig-002-20240914 (https://download.01.org/0day-ci/archive/20240914/202409140543.VXctRtFP-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409140543.VXctRtFP-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409140543.VXctRtFP-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/iio/adc/ad7606.c:39:27: warning: unused variable 'ad7606_18bit_hw_scale_avail' [-Wunused-const-variable]
      39 | static const unsigned int ad7606_18bit_hw_scale_avail[2] = {
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +/ad7606_18bit_hw_scale_avail +39 drivers/iio/adc/ad7606.c

    38	
  > 39	static const unsigned int ad7606_18bit_hw_scale_avail[2] = {
    40		38147, 76294
    41	};
    42	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki