linux-kernel - drivers/net/dsa/microchip/ksz8795_spi.c:81:34: warning: unused variable 'ksz8795_dt

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Date:   Sun, 26 Jul 2020 03:51:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Tristram Ha <Tristram.Ha@...rochip.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Marek Vasut <marex@...x.de>
Subject: drivers/net/dsa/microchip/ksz8795_spi.c:81:34: warning: unused
 variable 'ksz8795_dt_ids'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   23ee3e4e5bd27bdbc0f1785eef7209ce872794c7
commit: e66f840c08a237acfbb981592047b53e7411012f net: dsa: ksz: Add Microchip KSZ8795 DSA driver
date:   12 months ago
config: x86_64-randconfig-a004-20200726 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 8bf4c1f4fb257774f66c8cda07adc6c5e8668326)
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 e66f840c08a237acfbb981592047b53e7411012f
        # 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/dsa/microchip/ksz8795_spi.c:81:34: warning: unused variable 'ksz8795_dt_ids' [-Wunused-const-variable]
   static const struct of_device_id ksz8795_dt_ids[] = {
                                    ^
   1 warning generated.

vim +/ksz8795_dt_ids +81 drivers/net/dsa/microchip/ksz8795_spi.c

    80	
  > 81	static const struct of_device_id ksz8795_dt_ids[] = {
    82		{ .compatible = "microchip,ksz8765" },
    83		{ .compatible = "microchip,ksz8794" },
    84		{ .compatible = "microchip,ksz8795" },
    85		{},
    86	};
    87	MODULE_DEVICE_TABLE(of, ksz8795_dt_ids);
    88	

---
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" (35187 bytes)