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Mon, 11 Apr 2022 13:06:07 +0000 Date: Mon, 11 Apr 2022 21:05:11 +0800 From: kernel test robot To: Mauro Carvalho Chehab Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: drivers/media/platform/marvell/mmp-driver.c:364:34: warning: unused variable 'mmpcam_of_match' Message-ID: <202204112131.girigduB-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi Mauro, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e commit: dc7bbea90075b57772e9a28043061bf71d96f06f media: platform: rename marvell-ccic/ to marvell/ date: 3 weeks ago config: hexagon-randconfig-r012-20220411 (https://download.01.org/0day-ci/archive/20220411/202204112131.girigduB-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c6e83f560f06cdfe8aa47b248d8bdc58f947274b) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dc7bbea90075b57772e9a28043061bf71d96f06f git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout dc7bbea90075b57772e9a28043061bf71d96f06f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/media/platform/marvell/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/platform/marvell/mmp-driver.c:364:34: warning: unused variable 'mmpcam_of_match' [-Wunused-const-variable] static const struct of_device_id mmpcam_of_match[] = { ^ 1 warning generated. vim +/mmpcam_of_match +364 drivers/media/platform/marvell/mmp-driver.c bb0a896e3d5083 drivers/media/video/marvell-ccic/mmp-driver.c Jonathan Corbet 2011-12-30 363 83c40e6611ec1e drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-05-28 @364 static const struct of_device_id mmpcam_of_match[] = { 83c40e6611ec1e drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-05-28 365 { .compatible = "marvell,mmp2-ccic", }, 83c40e6611ec1e drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-05-28 366 {}, 83c40e6611ec1e drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-05-28 367 }; 08aac0e32fe44b drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-07-22 368 MODULE_DEVICE_TABLE(of, mmpcam_of_match); 67a8dbbc4e04cd drivers/media/video/marvell-ccic/mmp-driver.c Jonathan Corbet 2011-06-11 369 :::::: The code at line 364 was first introduced by commit :::::: 83c40e6611ec1e548ece34f6940f516333abc16a media: marvell-ccic/mmp: add devicetree support :::::: TO: Lubomir Rintel :::::: CC: Mauro Carvalho Chehab -- 0-DAY CI Kernel Test Service https://01.org/lkp