linux-kernel - [esmil:visionfive 21/54] drivers/char/hw_random/starfive-vic-rng.c:238:34: warning: unused variable 'vic_rng_dt

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Date:   Sun, 12 Jun 2022 19:04:24 +0800
From:   kernel test robot <lkp@...el.com>
To:     Huan Feng <huan.feng@...rfivetech.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Emil Renner Berthing <kernel@...il.dk>
Subject: [esmil:visionfive 21/54]
 drivers/char/hw_random/starfive-vic-rng.c:238:34: warning: unused variable
 'vic_rng_dt_ids'

tree:   https://github.com/esmil/linux visionfive
head:   906be7ef2fb9e2f1fcb740d3d506768cddfc52ca
commit: b422a122c72a7448306ad60808c748d57b98da71 [21/54] drivers/hw_random: Add StarFive JH7100 Random Number Generator driver
config: mips-randconfig-c004-20220611 (https://download.01.org/0day-ci/archive/20220612/202206121938.SUJ1iMQj-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project ff4abe755279a3a47cc416ef80dbc900d9a98a19)
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-mipsel-linux-gnu
        # https://github.com/esmil/linux/commit/b422a122c72a7448306ad60808c748d57b98da71
        git remote add esmil https://github.com/esmil/linux
        git fetch --no-tags esmil visionfive
        git checkout b422a122c72a7448306ad60808c748d57b98da71
        # 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 drivers/char/hw_random/

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 >>):

>> drivers/char/hw_random/starfive-vic-rng.c:238:34: warning: unused variable 'vic_rng_dt_ids' [-Wunused-const-variable]
   static const struct of_device_id vic_rng_dt_ids[] = {
                                    ^
   1 warning generated.


vim +/vic_rng_dt_ids +238 drivers/char/hw_random/starfive-vic-rng.c

   237	
 > 238	static const struct of_device_id vic_rng_dt_ids[] = {
   239		{ .compatible = "starfive,vic-rng" },
   240		{ }
   241	};
   242	MODULE_DEVICE_TABLE(of, vic_rng_dt_ids);
   243	

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