From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D2556171B1 for ; Sat, 27 May 2023 23:38:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1685230710; x=1716766710; h=date:from:to:cc:subject:message-id:mime-version; bh=fF5KDF5UHs5tEKjxbrjJ//x1LcJL+cMM+fX7s+kqRDI=; b=JI6rkPI0+uV++deHhYZVQUV+mtst0yRVLa0VLIuF8Z1DiIr5+5bJPjh0 LdO3s91LSH4Oqzrtiu7gisSs042LlF+rGHBl7LMGGSHhofxiIZFzmwdEY +WKJR7CP2DvlgeBrmKo9enR9lGp25BENh++dzymIyv0hw7e2dSKsvxhjp KGGe64QSNGgFsQeqH4UNOKYfY+vsivbwzq3itDc3Wu5dlLRSYUvqVYSC6 bimZO/JNBYVyfuTFJirpf+1F8j6GYJirnO2PBjRyxaUnCdxmcLCxpVift yPAUaw4/Arl8nl33Q4rSUCinj1YochcIijMyaQoAeCB/R92hgqe9z7KuD w==; X-IronPort-AV: E=McAfee;i="6600,9927,10723"; a="382709698" X-IronPort-AV: E=Sophos;i="6.00,198,1681196400"; d="scan'208";a="382709698" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2023 16:38:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10723"; a="795472731" X-IronPort-AV: E=Sophos;i="6.00,198,1681196400"; d="scan'208";a="795472731" Received: from lkp-server01.sh.intel.com (HELO dea6d5a4f140) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 27 May 2023 16:38:28 -0700 Received: from kbuild by dea6d5a4f140 with local (Exim 4.96) (envelope-from ) id 1q33US-000KFs-0f; Sat, 27 May 2023 23:38:28 +0000 Date: Sun, 28 May 2023 07:37:43 +0800 From: kernel test robot To: Robin Murphy Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Joerg Roedel Subject: drivers/iommu/ipmmu-vmsa.c:946:34: warning: 'ipmmu_of_ids' defined but not used Message-ID: <202305280730.ejrHBC6n-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Robin, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4e893b5aa4ac2c8a56a40d18fe87e9d2295e5dcf commit: b87d6d7fa405e23478f1e1dff6d66b5a533a5433 iommu/ipmmu-vmsa: Clean up bus_set_iommu() date: 9 months ago config: x86_64-buildonly-randconfig-r001-20230528 (https://download.01.org/0day-ci/archive/20230528/202305280730.ejrHBC6n-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b87d6d7fa405e23478f1e1dff6d66b5a533a5433 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b87d6d7fa405e23478f1e1dff6d66b5a533a5433 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/iommu/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202305280730.ejrHBC6n-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iommu/ipmmu-vmsa.c:946:34: warning: 'ipmmu_of_ids' defined but not used [-Wunused-const-variable=] 946 | static const struct of_device_id ipmmu_of_ids[] = { | ^~~~~~~~~~~~ vim +/ipmmu_of_ids +946 drivers/iommu/ipmmu-vmsa.c 7a62ced8ebd0e1 Yoshihiro Shimoda 2021-09-07 945 33f3ac9b511612 Magnus Damm 2017-10-16 @946 static const struct of_device_id ipmmu_of_ids[] = { 33f3ac9b511612 Magnus Damm 2017-10-16 947 { 33f3ac9b511612 Magnus Damm 2017-10-16 948 .compatible = "renesas,ipmmu-vmsa", 33f3ac9b511612 Magnus Damm 2017-10-16 949 .data = &ipmmu_features_default, 60fb0083c9d43b Fabrizio Castro 2018-08-23 950 }, { 60fb0083c9d43b Fabrizio Castro 2018-08-23 951 .compatible = "renesas,ipmmu-r8a774a1", 60fb0083c9d43b Fabrizio Castro 2018-08-23 952 .data = &ipmmu_features_rcar_gen3, 757f26a3a9ec2c Biju Das 2019-09-27 953 }, { 757f26a3a9ec2c Biju Das 2019-09-27 954 .compatible = "renesas,ipmmu-r8a774b1", 757f26a3a9ec2c Biju Das 2019-09-27 955 .data = &ipmmu_features_rcar_gen3, b6d39cd82241bf Fabrizio Castro 2018-12-13 956 }, { b6d39cd82241bf Fabrizio Castro 2018-12-13 957 .compatible = "renesas,ipmmu-r8a774c0", b6d39cd82241bf Fabrizio Castro 2018-12-13 958 .data = &ipmmu_features_rcar_gen3, 4b2aa7a6f9b793 Marian-Cristian Rotariu 2020-07-14 959 }, { 4b2aa7a6f9b793 Marian-Cristian Rotariu 2020-07-14 960 .compatible = "renesas,ipmmu-r8a774e1", 4b2aa7a6f9b793 Marian-Cristian Rotariu 2020-07-14 961 .data = &ipmmu_features_rcar_gen3, 58b8e8bf409236 Magnus Damm 2017-10-16 962 }, { 58b8e8bf409236 Magnus Damm 2017-10-16 963 .compatible = "renesas,ipmmu-r8a7795", 0b8ac1409641e1 Magnus Damm 2018-06-14 964 .data = &ipmmu_features_rcar_gen3, 0b8ac1409641e1 Magnus Damm 2018-06-14 965 }, { 0b8ac1409641e1 Magnus Damm 2018-06-14 966 .compatible = "renesas,ipmmu-r8a7796", 0b8ac1409641e1 Magnus Damm 2018-06-14 967 .data = &ipmmu_features_rcar_gen3, 17fe1618163980 Yoshihiro Shimoda 2020-06-11 968 }, { 17fe1618163980 Yoshihiro Shimoda 2020-06-11 969 .compatible = "renesas,ipmmu-r8a77961", 17fe1618163980 Yoshihiro Shimoda 2020-06-11 970 .data = &ipmmu_features_rcar_gen3, 98dbffd39a6513 Jacopo Mondi 2018-06-14 971 }, { 98dbffd39a6513 Jacopo Mondi 2018-06-14 972 .compatible = "renesas,ipmmu-r8a77965", 98dbffd39a6513 Jacopo Mondi 2018-06-14 973 .data = &ipmmu_features_rcar_gen3, 3701c123e1c13c Simon Horman 2018-06-14 974 }, { 3701c123e1c13c Simon Horman 2018-06-14 975 .compatible = "renesas,ipmmu-r8a77970", 3701c123e1c13c Simon Horman 2018-06-14 976 .data = &ipmmu_features_rcar_gen3, 1cdeb52e5c245b Nikita Yushchenko 2021-09-23 977 }, { 1cdeb52e5c245b Nikita Yushchenko 2021-09-23 978 .compatible = "renesas,ipmmu-r8a77980", 1cdeb52e5c245b Nikita Yushchenko 2021-09-23 979 .data = &ipmmu_features_rcar_gen3, b0c32912150565 Hai Nguyen Pham 2018-10-17 980 }, { b0c32912150565 Hai Nguyen Pham 2018-10-17 981 .compatible = "renesas,ipmmu-r8a77990", b0c32912150565 Hai Nguyen Pham 2018-10-17 982 .data = &ipmmu_features_rcar_gen3, 3701c123e1c13c Simon Horman 2018-06-14 983 }, { 3701c123e1c13c Simon Horman 2018-06-14 984 .compatible = "renesas,ipmmu-r8a77995", 3701c123e1c13c Simon Horman 2018-06-14 985 .data = &ipmmu_features_rcar_gen3, 7a62ced8ebd0e1 Yoshihiro Shimoda 2021-09-07 986 }, { 7a62ced8ebd0e1 Yoshihiro Shimoda 2021-09-07 987 .compatible = "renesas,ipmmu-r8a779a0", ae684caf465b7d Yoshihiro Shimoda 2022-02-08 988 .data = &ipmmu_features_rcar_gen4, ae684caf465b7d Yoshihiro Shimoda 2022-02-08 989 }, { 9f7d09fe23a011 Yoshihiro Shimoda 2022-06-17 990 .compatible = "renesas,rcar-gen4-ipmmu-vmsa", ae684caf465b7d Yoshihiro Shimoda 2022-02-08 991 .data = &ipmmu_features_rcar_gen4, 33f3ac9b511612 Magnus Damm 2017-10-16 992 }, { 33f3ac9b511612 Magnus Damm 2017-10-16 993 /* Terminator */ 33f3ac9b511612 Magnus Damm 2017-10-16 994 }, 33f3ac9b511612 Magnus Damm 2017-10-16 995 }; 33f3ac9b511612 Magnus Damm 2017-10-16 996 :::::: The code at line 946 was first introduced by commit :::::: 33f3ac9b511612153bae1d328b0c84c0367cd08d iommu/ipmmu-vmsa: Introduce features, break out alias :::::: TO: Magnus Damm :::::: CC: Alex Williamson -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki