From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94BA0C433FE for ; Wed, 24 Nov 2021 04:20:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240944AbhKXEXu (ORCPT ); Tue, 23 Nov 2021 23:23:50 -0500 Received: from mga18.intel.com ([134.134.136.126]:45766 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238004AbhKXEXn (ORCPT ); Tue, 23 Nov 2021 23:23:43 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10177"; a="222075447" X-IronPort-AV: E=Sophos;i="5.87,258,1631602800"; d="scan'208";a="222075447" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2021 20:20:31 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,258,1631602800"; d="scan'208";a="607057783" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 23 Nov 2021 20:20:30 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mpjll-0004IT-BN; Wed, 24 Nov 2021 04:20:29 +0000 Date: Wed, 24 Nov 2021 12:19:30 +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/cec/platform/tegra/tegra_cec.c:455:34: warning: unused variable 'tegra_cec_of_match' Message-ID: <202111241201.cGFgCj9J-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-kernel@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: 5d9f4cf36721aba199975a9be7863a3ff5cd4b59 commit: df823a8208c434eee6e4e9aa016c956d0968e2e2 media: cec: rename CEC platform drivers config options date: 1 year, 7 months ago config: arm-randconfig-c002-20211123 (https://download.01.org/0day-ci/archive/20211124/202111241201.cGFgCj9J-lkp@intel.com/config.gz) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 49e3838145dff1ec91c2e67a2cb562775c8d2a08) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=df823a8208c434eee6e4e9aa016c956d0968e2e2 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout df823a8208c434eee6e4e9aa016c956d0968e2e2 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/cec/platform/tegra/tegra_cec.c:455:34: warning: unused variable 'tegra_cec_of_match' [-Wunused-const-variable] static const struct of_device_id tegra_cec_of_match[] = { ^ 1 warning generated. vim +/tegra_cec_of_match +455 drivers/media/cec/platform/tegra/tegra_cec.c 9d2d60687c9a062 drivers/media/platform/tegra-cec/tegra_cec.c Hans Verkuil 2017-07-15 454 9d2d60687c9a062 drivers/media/platform/tegra-cec/tegra_cec.c Hans Verkuil 2017-07-15 @455 static const struct of_device_id tegra_cec_of_match[] = { 9d2d60687c9a062 drivers/media/platform/tegra-cec/tegra_cec.c Hans Verkuil 2017-07-15 456 { .compatible = "nvidia,tegra114-cec", }, 9d2d60687c9a062 drivers/media/platform/tegra-cec/tegra_cec.c Hans Verkuil 2017-07-15 457 { .compatible = "nvidia,tegra124-cec", }, 9d2d60687c9a062 drivers/media/platform/tegra-cec/tegra_cec.c Hans Verkuil 2017-07-15 458 { .compatible = "nvidia,tegra210-cec", }, 9d2d60687c9a062 drivers/media/platform/tegra-cec/tegra_cec.c Hans Verkuil 2017-07-15 459 {}, 9d2d60687c9a062 drivers/media/platform/tegra-cec/tegra_cec.c Hans Verkuil 2017-07-15 460 }; 9d2d60687c9a062 drivers/media/platform/tegra-cec/tegra_cec.c Hans Verkuil 2017-07-15 461 :::::: The code at line 455 was first introduced by commit :::::: 9d2d60687c9a0621e0da40338be4cbd7e3783be2 media: tegra-cec: add Tegra HDMI CEC driver :::::: TO: Hans Verkuil :::::: CC: Mauro Carvalho Chehab --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org