linux-kernel - drivers/soc/ixp4xx/ixp4xx-npe.c:737:34: warning: unused variable 'ixp4xx_npe_of

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Message-ID: <202111152215.AfMCIUFk-lkp@intel.com>
Date:   Mon, 15 Nov 2021 22:56:28 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: drivers/soc/ixp4xx/ixp4xx-npe.c:737:34: warning: unused variable
 'ixp4xx_npe_of_match'

Hi Arnd,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8ab774587903771821b59471cc723bba6d893942
commit: 7f94b69ece515ac82defa60ef7cba2cf26180216 ARM: ixp4xx: fix compile-testing soc drivers
date:   4 months ago
config: hexagon-randconfig-r041-20210927 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498)
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=7f94b69ece515ac82defa60ef7cba2cf26180216
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7f94b69ece515ac82defa60ef7cba2cf26180216
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 

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/soc/ixp4xx/ixp4xx-npe.c:737:34: warning: unused variable 'ixp4xx_npe_of_match' [-Wunused-const-variable]
   static const struct of_device_id ixp4xx_npe_of_match[] = {
                                    ^
   1 warning generated.


vim +/ixp4xx_npe_of_match +737 drivers/soc/ixp4xx/ixp4xx-npe.c

82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01  736  
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c   Linus Walleij    2019-02-10 @737  static const struct of_device_id ixp4xx_npe_of_match[] = {
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c   Linus Walleij    2019-02-10  738  	{
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c   Linus Walleij    2019-02-10  739  		.compatible = "intel,ixp4xx-network-processing-engine",
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c   Linus Walleij    2019-02-10  740          },
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c   Linus Walleij    2019-02-10  741  	{},
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c   Linus Walleij    2019-02-10  742  };
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c   Linus Walleij    2019-02-10  743  

:::::: The code at line 737 was first introduced by commit
:::::: e00797f2e05b7f3758bb96e6248aff8d95999cec soc: ixp4xx: npe: Add DT probe code

:::::: TO: Linus Walleij <linus.walleij@...aro.org>
:::::: CC: Linus Walleij <linus.walleij@...aro.org>

---
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" (27090 bytes)