linux-kernel - drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c:426:32: warning: unused variable 'aq_pm

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Message-ID: <202008310555.chDfpCn9%lkp@intel.com>
Date:   Mon, 31 Aug 2020 05:50:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     zhengbin <zhengbin13@...wei.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c:426:32:
 warning: unused variable 'aq_pm_ops'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dcc5c6f013d841e9ae74d527d312d512dfc2e2f0
commit: 0ee0bbb018938addf87b54d447cc5633d2e53490 net: atlantic: make symbol 'aq_pm_ops' static
date:   10 months ago
config: x86_64-randconfig-r031-20200831 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c10e63677f5d20f18010f8f68c631ddc97546f7d)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git checkout 0ee0bbb018938addf87b54d447cc5633d2e53490
        # 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/net/ethernet/aquantia/atlantic/aq_pci_func.c:426:32: warning: unused variable 'aq_pm_ops' [-Wunused-const-variable]
   static const struct dev_pm_ops aq_pm_ops = {
                                  ^
   1 warning generated.

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ee0bbb018938addf87b54d447cc5633d2e53490
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 0ee0bbb018938addf87b54d447cc5633d2e53490
vim +/aq_pm_ops +426 drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c

   425	
 > 426	static const struct dev_pm_ops aq_pm_ops = {
   427		.suspend = aq_pm_suspend_poweroff,
   428		.poweroff = aq_pm_suspend_poweroff,
   429		.freeze = aq_pm_freeze,
   430		.resume = aq_pm_resume_restore,
   431		.restore = aq_pm_resume_restore,
   432		.thaw = aq_pm_thaw,
   433	};
   434	

---
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" (32988 bytes)