linux-kernel - sound/soc/codecs/tlv320adcx140.c:776:34: warning: unused variable 'tlv320adcx140_of

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Date:   Mon, 27 Jul 2020 08:08:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dan Murphy <dmurphy@...com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: sound/soc/codecs/tlv320adcx140.c:776:34: warning: unused variable
 'tlv320adcx140_of_match'

Hi Dan,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1c8594b8427290c178c5d39885eacd9e41f68743
commit: 689c7655b50c5de2b6f0f42fecfb37bde5acf040 ASoC: tlv320adcx140: Add the tlv320adcx140 codec driver family
date:   5 months ago
config: x86_64-randconfig-r005-20200726 (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 689c7655b50c5de2b6f0f42fecfb37bde5acf040
        # 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/codecs/tlv320adcx140.c:776:34: warning: unused variable 'tlv320adcx140_of_match' [-Wunused-const-variable]
   static const struct of_device_id tlv320adcx140_of_match[] = {
                                    ^
   1 warning generated.

vim +/tlv320adcx140_of_match +776 sound/soc/codecs/tlv320adcx140.c

   775	
 > 776	static const struct of_device_id tlv320adcx140_of_match[] = {
   777		{ .compatible = "ti,tlv320adc3140" },
   778		{ .compatible = "ti,tlv320adc5140" },
   779		{ .compatible = "ti,tlv320adc6140" },
   780		{},
   781	};
   782	MODULE_DEVICE_TABLE(of, tlv320adcx140_of_match);
   783	

---
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" (36983 bytes)