linux-kernel - drivers/net/dsa/ocelot/ocelot_ext.c:144:34: warning: 'ocelot_ext_switch_of

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Date:   Mon, 6 Mar 2023 07:19:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Colin Foster <colin.foster@...advantage.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Jakub Kicinski <kuba@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: drivers/net/dsa/ocelot/ocelot_ext.c:144:34: warning:
 'ocelot_ext_switch_of_match' defined but not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f915322fe014c5c515119381e886faf07b3c9d31
commit: 3d7316ac81ac329efce221b5584138e8c637a7b1 net: dsa: ocelot: add external ocelot switch control
date:   5 weeks ago
config: i386-buildonly-randconfig-r006-20230306 (https://download.01.org/0day-ci/archive/20230306/202303060716.BDSREmLN-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3d7316ac81ac329efce221b5584138e8c637a7b1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 3d7316ac81ac329efce221b5584138e8c637a7b1
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/net/dsa/ocelot/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303060716.BDSREmLN-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/dsa/ocelot/ocelot_ext.c:144:34: warning: 'ocelot_ext_switch_of_match' defined but not used [-Wunused-const-variable=]
     144 | static const struct of_device_id ocelot_ext_switch_of_match[] = {
         |                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/ocelot_ext_switch_of_match +144 drivers/net/dsa/ocelot/ocelot_ext.c

   143	
 > 144	static const struct of_device_id ocelot_ext_switch_of_match[] = {
   145		{ .compatible = "mscc,vsc7512-switch" },
   146		{ },
   147	};
   148	MODULE_DEVICE_TABLE(of, ocelot_ext_switch_of_match);
   149	

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