linux-kernel - [hverkuil-media-tree:hdcp 4/4] drivers/media/i2c/adv7604.c:2884:38: warning: unused variable 'adv7604_ctrl_hdcp

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Date:   Thu, 11 Aug 2022 05:33:25 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mikhail Khelik <mkhelik@...co.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>
Subject: [hverkuil-media-tree:hdcp 4/4] drivers/media/i2c/adv7604.c:2884:38:
 warning: unused variable 'adv7604_ctrl_hdcp_auth'

tree:   git://linuxtv.org/hverkuil/media_tree.git hdcp
head:   da521c491aa5d01b7a920ef66c8d9aef36f14a02
commit: da521c491aa5d01b7a920ef66c8d9aef36f14a02 [4/4] Added HDCP support for ADV7604
config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220811/202208110500.zRUW89QJ-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520)
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
        git remote add hverkuil-media-tree git://linuxtv.org/hverkuil/media_tree.git
        git fetch --no-tags hverkuil-media-tree hdcp
        git checkout da521c491aa5d01b7a920ef66c8d9aef36f14a02
        # 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=i386 SHELL=/bin/bash drivers/media/i2c/

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/media/i2c/adv7604.c:2884:38: warning: unused variable 'adv7604_ctrl_hdcp_auth' [-Wunused-const-variable]
   static const struct v4l2_ctrl_config adv7604_ctrl_hdcp_auth = {
                                        ^
   1 warning generated.


vim +/adv7604_ctrl_hdcp_auth +2884 drivers/media/i2c/adv7604.c

  2883	
> 2884	static const struct v4l2_ctrl_config adv7604_ctrl_hdcp_auth = {
  2885		.ops = NULL,
  2886		.id = V4L2_CID_DV_HDCP_RX_AUTH,
  2887		.name = "HDCP Authentication Status",
  2888		.type = V4L2_CTRL_TYPE_BITMASK,
  2889		.min = 0,
  2890		.max = 1,
  2891		.step = 0,
  2892		.def = 0,
  2893		.flags = V4L2_CTRL_FLAG_READ_ONLY
  2894	};
  2895	

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