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 31288C43334 for ; Tue, 7 Jun 2022 03:25:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236144AbiFGDZB (ORCPT ); Mon, 6 Jun 2022 23:25:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233389AbiFGDZA (ORCPT ); Mon, 6 Jun 2022 23:25:00 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11934B82FB; Mon, 6 Jun 2022 20:24:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654572297; x=1686108297; h=date:from:to:cc:subject:message-id:mime-version: content-transfer-encoding; bh=nK28/BY0IgfIsZgaq4tD1YW6U3pqi48OxOFXGTvTjhk=; b=QFjnK7hZfrHlp7zZfaJWx3gMq/ln1SnhxEkIn2uZF3KzSN5z40k5U6s2 tjywZCg5w9DBZLetbd9YlVjN/5gSNDF9EMmJEA21sUqxux59aBAKHj0Ne fVNe7CGkpiFIGYrIEDSuU5s2tP+eSAIBOSe5gCMZ6PYp3GUR35Xm4eoZB rk+3R5dTo5jQ2JtvIJ9dGMq4tdadeNhhFIY7Rq7iE1Vjkz58lRcy5JbJx BMzv1mEBncj149H8pfJJ1axRedLmYF4xmPhbDM1WbKDa2w/vp6qSiNcOQ Q+hVqFxXIyAszv6bmwEitQYwIP2oJveBbDLU39TMGfIX4bMCQ8TeGGn49 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10370"; a="340271670" X-IronPort-AV: E=Sophos;i="5.91,282,1647327600"; d="scan'208";a="340271670" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2022 20:24:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,282,1647327600"; d="scan'208";a="758834298" Received: from lkp-server01.sh.intel.com (HELO 60dabacc1df6) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 06 Jun 2022 20:24:39 -0700 Received: from kbuild by 60dabacc1df6 with local (Exim 4.95) (envelope-from ) id 1nyPpf-000DJ5-97; Tue, 07 Jun 2022 03:24:39 +0000 Date: Tue, 7 Jun 2022 11:24:14 +0800 From: kernel test robot To: Mauro Carvalho Chehab Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: drivers/media/platform/mediatek/mdp/mtk_mdp_core.c:31:34: warning: 'mtk_mdp_comp_dt_ids' defined but not used Message-ID: <202206071113.eXtQ7Qe1-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit 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: e71e60cd74df9386c3f684c54888f2367050b831 commit: 2023a99811110aebba9eee4aa09ef7bd21a8a249 media: platform: rename mediatek/mtk-jpeg/ to mediatek/jpeg/ date: 3 months ago config: x86_64-buildonly-randconfig-r011-20220606 (https://download.01.org/0day-ci/archive/20220607/202206071113.eXtQ7Qe1-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-1) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2023a99811110aebba9eee4aa09ef7bd21a8a249 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 2023a99811110aebba9eee4aa09ef7bd21a8a249 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/platform/mediatek/mdp/mtk_mdp_core.c:31:34: warning: 'mtk_mdp_comp_dt_ids' defined but not used [-Wunused-const-variable=] 31 | static const struct of_device_id mtk_mdp_comp_dt_ids[] = { | ^~~~~~~~~~~~~~~~~~~ vim +/mtk_mdp_comp_dt_ids +31 drivers/media/platform/mediatek/mdp/mtk_mdp_core.c c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 30 c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 @31 static const struct of_device_id mtk_mdp_comp_dt_ids[] = { c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 32 { c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 33 .compatible = "mediatek,mt8173-mdp-rdma", c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 34 .data = (void *)MTK_MDP_RDMA c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 35 }, { c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 36 .compatible = "mediatek,mt8173-mdp-rsz", c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 37 .data = (void *)MTK_MDP_RSZ c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 38 }, { c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 39 .compatible = "mediatek,mt8173-mdp-wdma", c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 40 .data = (void *)MTK_MDP_WDMA c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 41 }, { c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 42 .compatible = "mediatek,mt8173-mdp-wrot", c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 43 .data = (void *)MTK_MDP_WROT 55d80506c5f7c3 drivers/media/platform/mtk-mdp/mtk_mdp_core.c Vincent Stehlé 2016-10-27 44 }, 55d80506c5f7c3 drivers/media/platform/mtk-mdp/mtk_mdp_core.c Vincent Stehlé 2016-10-27 45 { }, c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 46 }; c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 47 :::::: The code at line 31 was first introduced by commit :::::: c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a [media] media: Add Mediatek MDP Driver :::::: TO: Minghsiu Tsai :::::: CC: Mauro Carvalho Chehab -- 0-DAY CI Kernel Test Service https://01.org/lkp