linux-kernel - sound/soc/samsung/aries_wm8994.c:525:34: warning: unused variable 'samsung_wm8994_of

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Message-ID: <202009271240.wEn5zrQt%lkp@intel.com>
Date:   Sun, 27 Sep 2020 12:07:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jonathan Bakker <xc-racer2@...e.ca>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: sound/soc/samsung/aries_wm8994.c:525:34: warning: unused variable
 'samsung_wm8994_of_match'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a1bffa48745afbb54cb4f873bba783b2ae8be042
commit: 7a3a7671fa6c7e90aff5f4242add2a40587b85ef ASoC: samsung: Add driver for Aries boards
date:   3 months ago
config: x86_64-randconfig-a001-20200927 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a83eb048cb9a75da7a07a9d5318bbdbf54885c87)
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a3a7671fa6c7e90aff5f4242add2a40587b85ef
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7a3a7671fa6c7e90aff5f4242add2a40587b85ef
        # 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 >>):

>> sound/soc/samsung/aries_wm8994.c:525:34: warning: unused variable 'samsung_wm8994_of_match' [-Wunused-const-variable]
   static const struct of_device_id samsung_wm8994_of_match[] = {
                                    ^
   1 warning generated.

vim +/samsung_wm8994_of_match +525 sound/soc/samsung/aries_wm8994.c

   524	
 > 525	static const struct of_device_id samsung_wm8994_of_match[] = {
   526		{
   527			.compatible = "samsung,fascinate4g-wm8994",
   528			.data = &fascinate4g_variant,
   529		},
   530		{
   531			.compatible = "samsung,aries-wm8994",
   532			.data = &aries_variant,
   533		},
   534		{ /* sentinel */ },
   535	};
   536	MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match);
   537	

---
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" (39375 bytes)