linux-kernel - drivers/hwmon/pmbus/ir38064.c:54:34: warning: unused variable 'ir38064_of

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Date:   Tue, 18 Jan 2022 19:13:41 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arthur Heymans <arthur.heymans@...ements.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>
Subject: drivers/hwmon/pmbus/ir38064.c:54:34: warning: unused variable
 'ir38064_of_match'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e3a8b6a1e70c37702054ae3c7c07ed828435d8ee
commit: e65de225ef2f7eade2888b00970eec37aeca0044 hwmon/pmbus: (ir38064) Add of_match_table
date:   3 weeks ago
config: hexagon-randconfig-r041-20220116 (https://download.01.org/0day-ci/archive/20220118/202201181742.A2Dm08zD-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c10cbb243cafc0cf42c3e922cb29183279444432)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e65de225ef2f7eade2888b00970eec37aeca0044
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e65de225ef2f7eade2888b00970eec37aeca0044
        # 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=hexagon SHELL=/bin/bash drivers/hwmon/pmbus/

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/hwmon/pmbus/ir38064.c:54:34: warning: unused variable 'ir38064_of_match' [-Wunused-const-variable]
   static const struct of_device_id ir38064_of_match[] = {
                                    ^
   1 warning generated.


vim +/ir38064_of_match +54 drivers/hwmon/pmbus/ir38064.c

    53	
  > 54	static const struct of_device_id ir38064_of_match[] = {
    55		{ .compatible = "infineon,ir38060" },
    56		{ .compatible = "infineon,ir38064" },
    57		{ .compatible = "infineon,ir38164" },
    58		{ .compatible = "infineon,ir38263" },
    59		{}
    60	};
    61	

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