linux-kernel - drivers/staging/media/rkvdec/rkvdec.c:967:34: warning: unused variable 'of_rkvdec

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Message-ID: <202010160557.u97XVyqi-lkp@intel.com>
Date:   Fri, 16 Oct 2020 05:27:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Boris Brezillon <bbrezillon@...nel.org>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Hans Verkuil <hverkuil@...all.nl>
Subject: drivers/staging/media/rkvdec/rkvdec.c:967:34: warning: unused
 variable 'of_rkvdec_match'

Hi Boris,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   93b694d096cc10994c817730d4d50288f9ae3d66
commit: cd33c830448baf7b1e94da72eca069e3e1d050c9 media: rkvdec: Add the rkvdec driver
date:   6 months ago
config: x86_64-randconfig-a001-20201016 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project e7b4feea8e1bf520b34ad8c116abab6677344b74)
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=cd33c830448baf7b1e94da72eca069e3e1d050c9
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout cd33c830448baf7b1e94da72eca069e3e1d050c9
        # 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/staging/media/rkvdec/rkvdec.c:967:34: warning: unused variable 'of_rkvdec_match' [-Wunused-const-variable]
   static const struct of_device_id of_rkvdec_match[] = {
                                    ^
   1 warning generated.

vim +/of_rkvdec_match +967 drivers/staging/media/rkvdec/rkvdec.c

   966	
 > 967	static const struct of_device_id of_rkvdec_match[] = {
   968		{ .compatible = "rockchip,rk3399-vdec" },
   969		{ /* sentinel */ }
   970	};
   971	MODULE_DEVICE_TABLE(of, of_rkvdec_match);
   972	

---
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" (36089 bytes)