From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (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 B4FB232B9BC for ; Mon, 19 Jan 2026 16:29:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768840201; cv=none; b=LLYJEiTvA4ZXGMfWFn7n2ODWRJloSHTTbPoB4bSO0DKXWkHqtVGxwWo2F/Km+xVYPBG/WjBS0BBgqWaGhtNEkHNGdb6PoBRCDef/3EvhNjOTJnXfc7TDbnnyGZZiVl0WsBFuFWMupWBT5ca5IPqgtpi6u3QZGIOkZL13Xl5D3jY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768840201; c=relaxed/simple; bh=PQgX3xK9PxUWzI8W+Ln2fHiKBKt9LrU58IY+O/+5QZc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=q/w16/asID3iymGPHlldpR2HVdjMh3fQNwPcJDLefzOi6F4SjoBPigdKLfc8v2qIT8p4crxwbAPT1b7eMQKz6A5csXU5JLdW5NoM4wMhZsALpANzHwlTd9n5gX5YMhQdcrFvGlVMC9f9AsSmwWXhru0szmVE7XRe3SIxbyoHEBc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=KljCFfWE; arc=none smtp.client-ip=198.175.65.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="KljCFfWE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768840200; x=1800376200; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=PQgX3xK9PxUWzI8W+Ln2fHiKBKt9LrU58IY+O/+5QZc=; b=KljCFfWEt1nGM/Txn7p1B8uT92U/89YN2EVeZTcfSttYZmnFvSrlIDUD 2oZK49tdBqwSutXNZu8ieXAlQrtb2JCP867nGJP/YPGKSN5Kw/W0Y+sYC NP+dntfK3SOOJfRx2M5gwpN1PHk8Ojp0H1eGLxFEjTJM3q3Rky70pbING f2J+id8QcxJ0Ap4oY0086azu/dg93M7WNE1FX8gZNXn3Sn0hy5zgw6I4Z jxTQLStyFFtnYDUdT4Vt9F+6vutlRjZbr9m2gfWTIkBoenFG/LgX8K7oJ 4Slsp+yJioBogDk+s+FYXPfYpdc+D0oVLjAQiOgQOpwMi6QQNQjNeceDZ w==; X-CSE-ConnectionGUID: Y/tynIfqTECJBwF5L754RQ== X-CSE-MsgGUID: iWo+DCUeSMGe533FHyh58A== X-IronPort-AV: E=McAfee;i="6800,10657,11676"; a="70026122" X-IronPort-AV: E=Sophos;i="6.21,238,1763452800"; d="scan'208";a="70026122" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jan 2026 08:30:00 -0800 X-CSE-ConnectionGUID: DbpoI6/wS8Oar4gvnCOpvA== X-CSE-MsgGUID: 0K+PNzA7TxGXhkJBCuaHkg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,238,1763452800"; d="scan'208";a="205809043" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 19 Jan 2026 08:29:56 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vhs8X-00000000O2b-2jWL; Mon, 19 Jan 2026 16:29:53 +0000 Date: Tue, 20 Jan 2026 00:29:20 +0800 From: kernel test robot To: Salman Nabi , vvidwans@nvidia.com, andre.przywara@arm.com, sudeep.holla@arm.com, mark.rutland@arm.com, lpieralisi@kernel.org Cc: oe-kbuild-all@lists.linux.dev, ardb@kernel.org, chao.gao@intel.com, linux-arm-kernel@lists.infradead.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, sdonthineni@nvidia.com, vsethi@nvidia.com, vwadekar@nvidia.com Subject: Re: [PATCH 1/1] firmware: smccc: add support for Live Firmware Activation (LFA) Message-ID: <202601200007.GVZIjoCx-lkp@intel.com> References: <20260119122729.287522-2-salman.nabi@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260119122729.287522-2-salman.nabi@arm.com> Hi Salman, kernel test robot noticed the following build warnings: [auto build test WARNING on soc/for-next] [also build test WARNING on linus/master v6.19-rc6 next-20260116] [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/Salman-Nabi/firmware-smccc-add-support-for-Live-Firmware-Activation-LFA/20260119-203221 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next patch link: https://lore.kernel.org/r/20260119122729.287522-2-salman.nabi%40arm.com patch subject: [PATCH 1/1] firmware: smccc: add support for Live Firmware Activation (LFA) config: arm-sp7021_defconfig (https://download.01.org/0day-ci/archive/20260120/202601200007.GVZIjoCx-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601200007.GVZIjoCx-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/202601200007.GVZIjoCx-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/firmware/smccc/lfa_fw.c: In function 'get_nr_lfa_components': drivers/firmware/smccc/lfa_fw.c:179:16: error: variable 'reg' has initializer but incomplete type 179 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~~~~~~~~~~~~~~~~ >> drivers/firmware/smccc/lfa_fw.c:179:43: warning: excess elements in struct initializer 179 | struct arm_smccc_1_2_regs reg = { 0 }; | ^ drivers/firmware/smccc/lfa_fw.c:179:43: note: (near initialization for 'reg') drivers/firmware/smccc/lfa_fw.c:179:35: error: storage size of 'reg' isn't known 179 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c:184:9: error: implicit declaration of function 'arm_smccc_1_2_invoke'; did you mean 'arm_smccc_1_1_invoke'? [-Wimplicit-function-declaration] 184 | arm_smccc_1_2_invoke(®, ®); | ^~~~~~~~~~~~~~~~~~~~ | arm_smccc_1_1_invoke >> drivers/firmware/smccc/lfa_fw.c:179:35: warning: unused variable 'reg' [-Wunused-variable] 179 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c: In function 'lfa_cancel': drivers/firmware/smccc/lfa_fw.c:194:16: error: variable 'reg' has initializer but incomplete type 194 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~~~~~~~~~~~~~~~~ drivers/firmware/smccc/lfa_fw.c:194:43: warning: excess elements in struct initializer 194 | struct arm_smccc_1_2_regs reg = { 0 }; | ^ drivers/firmware/smccc/lfa_fw.c:194:43: note: (near initialization for 'reg') drivers/firmware/smccc/lfa_fw.c:194:35: error: storage size of 'reg' isn't known 194 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c:194:35: warning: unused variable 'reg' [-Wunused-variable] drivers/firmware/smccc/lfa_fw.c: In function 'call_lfa_activate': drivers/firmware/smccc/lfa_fw.c:220:16: error: variable 'reg' has initializer but incomplete type 220 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~~~~~~~~~~~~~~~~ drivers/firmware/smccc/lfa_fw.c:220:43: warning: excess elements in struct initializer 220 | struct arm_smccc_1_2_regs reg = { 0 }; | ^ drivers/firmware/smccc/lfa_fw.c:220:43: note: (near initialization for 'reg') drivers/firmware/smccc/lfa_fw.c:220:35: error: storage size of 'reg' isn't known 220 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c:220:35: warning: unused variable 'reg' [-Wunused-variable] drivers/firmware/smccc/lfa_fw.c: In function 'prime_fw_image': drivers/firmware/smccc/lfa_fw.c:290:16: error: variable 'reg' has initializer but incomplete type 290 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~~~~~~~~~~~~~~~~ drivers/firmware/smccc/lfa_fw.c:290:43: warning: excess elements in struct initializer 290 | struct arm_smccc_1_2_regs reg = { 0 }; | ^ drivers/firmware/smccc/lfa_fw.c:290:43: note: (near initialization for 'reg') drivers/firmware/smccc/lfa_fw.c:290:35: error: storage size of 'reg' isn't known 290 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c:290:35: warning: unused variable 'reg' [-Wunused-variable] drivers/firmware/smccc/lfa_fw.c: In function 'activation_pending_show': drivers/firmware/smccc/lfa_fw.c:360:16: error: variable 'reg' has initializer but incomplete type 360 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~~~~~~~~~~~~~~~~ drivers/firmware/smccc/lfa_fw.c:360:43: warning: excess elements in struct initializer 360 | struct arm_smccc_1_2_regs reg = { 0 }; | ^ drivers/firmware/smccc/lfa_fw.c:360:43: note: (near initialization for 'reg') drivers/firmware/smccc/lfa_fw.c:360:35: error: storage size of 'reg' isn't known 360 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c:360:35: warning: unused variable 'reg' [-Wunused-variable] drivers/firmware/smccc/lfa_fw.c: In function 'pending_version_show': drivers/firmware/smccc/lfa_fw.c:434:16: error: variable 'reg' has initializer but incomplete type 434 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~~~~~~~~~~~~~~~~ drivers/firmware/smccc/lfa_fw.c:434:43: warning: excess elements in struct initializer 434 | struct arm_smccc_1_2_regs reg = { 0 }; | ^ drivers/firmware/smccc/lfa_fw.c:434:43: note: (near initialization for 'reg') drivers/firmware/smccc/lfa_fw.c:434:35: error: storage size of 'reg' isn't known 434 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c:434:35: warning: unused variable 'reg' [-Wunused-variable] drivers/firmware/smccc/lfa_fw.c: In function 'update_fw_images_tree': drivers/firmware/smccc/lfa_fw.c:586:16: error: variable 'reg' has initializer but incomplete type 586 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~~~~~~~~~~~~~~~~ drivers/firmware/smccc/lfa_fw.c:586:43: warning: excess elements in struct initializer 586 | struct arm_smccc_1_2_regs reg = { 0 }; | ^ drivers/firmware/smccc/lfa_fw.c:586:43: note: (near initialization for 'reg') drivers/firmware/smccc/lfa_fw.c:586:35: error: storage size of 'reg' isn't known 586 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c:586:35: warning: unused variable 'reg' [-Wunused-variable] drivers/firmware/smccc/lfa_fw.c: In function 'lfa_init': drivers/firmware/smccc/lfa_fw.c:619:16: error: variable 'reg' has initializer but incomplete type 619 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~~~~~~~~~~~~~~~~ drivers/firmware/smccc/lfa_fw.c:619:43: warning: excess elements in struct initializer 619 | struct arm_smccc_1_2_regs reg = { 0 }; | ^ drivers/firmware/smccc/lfa_fw.c:619:43: note: (near initialization for 'reg') drivers/firmware/smccc/lfa_fw.c:619:35: error: storage size of 'reg' isn't known 619 | struct arm_smccc_1_2_regs reg = { 0 }; | ^~~ drivers/firmware/smccc/lfa_fw.c:619:35: warning: unused variable 'reg' [-Wunused-variable] vim +179 drivers/firmware/smccc/lfa_fw.c 176 177 static unsigned long get_nr_lfa_components(void) 178 { > 179 struct arm_smccc_1_2_regs reg = { 0 }; 180 181 reg.a0 = LFA_1_0_FN_GET_INFO; 182 reg.a1 = 0; /* lfa_info_selector = 0 */ 183 184 arm_smccc_1_2_invoke(®, ®); 185 if (reg.a0 != LFA_SUCCESS) 186 return reg.a0; 187 188 return reg.a1; 189 } 190 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki