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a="2442668" X-IronPort-AV: E=Sophos;i="6.27,193,1787036400"; d="scan'208";a="2442668" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2026 01:25:30 -0800 X-CSE-ConnectionGUID: cA0SZw5GToqwTxtgKpQfKw== X-CSE-MsgGUID: NEfjHHXWQ7uygJH1xl3Ciw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,193,1787036400"; d="scan'208";a="6375785" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 03 Nov 2026 01:25:25 -0800 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xOAlf-00000000iYO-0O2W; Tue, 03 Nov 2026 09:25:23 +0000 Date: Tue, 3 Nov 2026 17:25:11 +0800 From: kernel test robot To: Andre Przywara , Mark Rutland , Lorenzo Pieralisi , Sudeep Holla Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Salman Nabi , Vedashree Vidwans , Trilok Soni , Nirmoy Das , vsethi@nvidia.com, Varun Wadekar , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org Subject: Re: [PATCH v5 RESEND 5/6] firmware: smccc: lfa: Register DT interrupt Message-ID: <202611031726.J5nXvG8V-lkp@intel.com> References: <20261102165421.3651202-6-andre.przywara@arm.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261102165421.3651202-6-andre.przywara@arm.com> Hi Andre, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on arm64/for-next/core linus/master next-20261030] [cannot apply to arm/for-next arm/fixes clk/clk-next kvmarm/next rockchip/for-next soc/for-next v7.3] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Andre-Przywara/dt-bindings-arm-Add-Live-Firmware-Activation/20261102-175415 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20261102165421.3651202-6-andre.przywara%40arm.com patch subject: [PATCH v5 RESEND 5/6] firmware: smccc: lfa: Register DT interrupt config: arm64-randconfig-1001-20261103 (https://download.01.org/0day-ci/archive/20261103/202611031726.J5nXvG8V-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261103/202611031726.J5nXvG8V-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202611031726.J5nXvG8V-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/firmware/smccc/lfa_fw.c:939:9: error: call to undeclared function 'devm_request_threaded_irq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 939 | return devm_request_threaded_irq(dev, lfa_irq, NULL, | ^ >> drivers/firmware/smccc/lfa_fw.c:940:31: error: use of undeclared identifier 'IRQF_COND_ONESHOT' 940 | lfa_irq_handler_thread, IRQF_COND_ONESHOT, | ^ >> drivers/firmware/smccc/lfa_fw.c:1034:2: error: call to undeclared function 'devm_free_irq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1034 | devm_free_irq(&sdev->dev, lfa_irq, NULL); | ^ 3 errors generated. vim +/devm_request_threaded_irq +939 drivers/firmware/smccc/lfa_fw.c 925 926 static int lfa_register_dt(struct device *dev) 927 { 928 struct device_node *np; 929 930 np = of_find_compatible_node(NULL, NULL, "arm,lfa"); 931 if (!np) 932 return -ENODEV; 933 934 lfa_irq = irq_of_parse_and_map(np, 0); 935 of_node_put(np); 936 if (!lfa_irq) 937 return -ENODEV; 938 > 939 return devm_request_threaded_irq(dev, lfa_irq, NULL, > 940 lfa_irq_handler_thread, IRQF_COND_ONESHOT, 941 NULL, NULL); 942 } 943 944 static bool lfa_smccc_has_all_functions(void) 945 { 946 struct arm_smccc_1_2_regs regs = { 0 }, res; 947 u32 fn_id; 948 949 regs.a0 = ARM_SMCCC_LFA_FEATURES; 950 951 for (fn_id = ARM_SMCCC_LFA_GET_INFO; 952 fn_id <= ARM_SMCCC_LFA_CANCEL; 953 fn_id++) { 954 regs.a1 = fn_id; 955 arm_smccc_1_2_invoke(®s, &res); 956 if (res.a0) 957 return false; 958 } 959 960 return true; 961 } 962 963 static int lfa_smccc_probe(struct arm_smccc_device *sdev) 964 { 965 struct arm_smccc_1_2_regs regs = { 0 }; 966 int err; 967 968 /* The LFA spec requires SMCCC v1.2 or higher. */ 969 if (arm_smccc_get_version() < ARM_SMCCC_VERSION_1_2) 970 return -EOPNOTSUPP; 971 972 regs.a0 = ARM_SMCCC_LFA_VERSION; 973 arm_smccc_1_2_invoke(®s, ®s); 974 if ((s32)regs.a0 == LFA_NOT_SUPPORTED) 975 return -ENODEV; 976 977 if (!lfa_smccc_has_all_functions()) 978 return -EOPNOTSUPP; 979 980 pr_info("Live Firmware Activation: detected v%d.%d\n", 981 upper_16_bits(regs.a0), lower_16_bits(regs.a0)); 982 983 fw_comps_update_wq = alloc_workqueue("fw_comps_update_wq", 984 WQ_UNBOUND | WQ_MEM_RECLAIM, 1); 985 if (!fw_comps_update_wq) { 986 pr_err("Live Firmware Activation: Failed to allocate workqueue.\n"); 987 return -ENOMEM; 988 } 989 INIT_WORK(&fw_comps_update_work, remove_invalid_fw_components); 990 991 init_component_default_attrs(); 992 lfa_kset = kset_create_and_add("lfa", NULL, firmware_kobj); 993 if (!lfa_kset) { 994 destroy_workqueue(fw_comps_update_wq); 995 return -ENOMEM; 996 } 997 998 init_rwsem(&smc_lock); 999 1000 err = update_fw_components_tree(); 1001 if (err != 0) { 1002 kset_unregister(lfa_kset); 1003 destroy_workqueue(fw_comps_update_wq); 1004 return err; 1005 } 1006 1007 if (!acpi_disabled) { 1008 err = lfa_register_acpi(&sdev->dev); 1009 if (!err) 1010 pr_info("registered LFA ACPI notification\n"); 1011 } else { 1012 err = lfa_register_dt(&sdev->dev); 1013 if (!err) 1014 pr_info("registered LFA DT notification interrupt\n"); 1015 } 1016 1017 /* 1018 * An ACPI notification or an interrupt are optional, but we must 1019 * handle errors that occurred during their setup. 1020 */ 1021 if (err != -ENODEV) { 1022 kset_unregister(lfa_kset); 1023 destroy_workqueue(fw_comps_update_wq); 1024 return err; 1025 } 1026 1027 return 0; 1028 } 1029 1030 static void lfa_smccc_remove(struct arm_smccc_device *sdev) 1031 { 1032 if (!acpi_disabled) 1033 lfa_remove_acpi(&sdev->dev); > 1034 devm_free_irq(&sdev->dev, lfa_irq, NULL); 1035 clean_fw_components_tree(); 1036 flush_workqueue(fw_comps_update_wq); 1037 destroy_workqueue(fw_comps_update_wq); 1038 kset_unregister(lfa_kset); 1039 } 1040 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki