linux-kernel - sound/soc/codecs/src4xxx-i2c.c:28:34: warning: unused variable 'src4xxx_of

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Message-ID: <202211241524.Dxyrc3Nz-lkp@intel.com>
Date:   Thu, 24 Nov 2022 15:56:35 +0800
From:   kernel test robot <lkp@...el.com>
To:     Matt Flax <flatmax@...tmax.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: sound/soc/codecs/src4xxx-i2c.c:28:34: warning: unused variable
 'src4xxx_of_match'

Hi Matt,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c3eb11fbb826879be773c137f281569efce67aa8
commit: 4e6bedd3c396014ba70de2b4c9995c8e024e82b3 ASoC: codecs: add support for the TI SRC4392 codec
date:   3 months ago
config: mips-buildonly-randconfig-r004-20221124
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project af8c49dc1ec44339d915d988ffe0f38da68ca0e7)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4e6bedd3c396014ba70de2b4c9995c8e024e82b3
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 4e6bedd3c396014ba70de2b4c9995c8e024e82b3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash sound/soc/codecs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> sound/soc/codecs/src4xxx-i2c.c:28:34: warning: unused variable 'src4xxx_of_match' [-Wunused-const-variable]
   static const struct of_device_id src4xxx_of_match[] = {
                                    ^
   1 warning generated.


vim +/src4xxx_of_match +28 sound/soc/codecs/src4xxx-i2c.c

    27	
  > 28	static const struct of_device_id src4xxx_of_match[] = {
    29		{ .compatible = "ti,src4392", },
    30		{ }
    31	};
    32	MODULE_DEVICE_TABLE(of, src4xxx_of_match);
    33	
    34	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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