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Date:   Tue, 7 Nov 2023 09:27:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Yin <peteryin.openbmc@...il.com>, patrick@...cx.xyz,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>, linux-hwmon@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH v1 2/2] hwmon: (pmbus) Add support for MPS Multi-phase
 mp5990

Hi Peter,

kernel test robot noticed the following build warnings:

[auto build test WARNING on groeck-staging/hwmon-next]
[also build test WARNING on linus/master v6.6 next-20231106]
[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/Peter-Yin/dt-bindings-hwmon-Add-mps-mp5990-driver-bindings/20231103-160759
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link:    https://lore.kernel.org/r/20231103080128.1204218-3-peteryin.openbmc%40gmail.com
patch subject: [PATCH v1 2/2] hwmon: (pmbus) Add support for MPS Multi-phase mp5990
config: xtensa-randconfig-001-20231107 (https://download.01.org/0day-ci/archive/20231107/202311070822.cgjfXGD7-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231107/202311070822.cgjfXGD7-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/202311070822.cgjfXGD7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/hwmon/pmbus/mp5990.c:66:34: warning: 'mp5990_of_match' defined but not used [-Wunused-const-variable=]
      66 | static const struct of_device_id mp5990_of_match[] = {
         |                                  ^~~~~~~~~~~~~~~


vim +/mp5990_of_match +66 drivers/hwmon/pmbus/mp5990.c

    65	
  > 66	static const struct of_device_id mp5990_of_match[] = {
    67		{ .compatible = "mps,mp5990" },
    68		{}
    69	};
    70	

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

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