From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 321B4279DB2; Sat, 6 Sep 2025 21:26:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757193993; cv=none; b=B3Jogy5Gz4SK68zu9WLd8fZu08gx1FSsvokBGr3b5lDo94ZO4yARd0ZmFzFq3jqh7xv2MM6b8Y5rWVslOLQod8ejn4FvXcHqYFBBBJOMjeXz5ZJeOMgdnW65E1woPFMeesQJDtEbR7Bd1HLTjpB2CVl0NdR994XaXESEnFolEQE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757193993; c=relaxed/simple; bh=CMGs8i3Y8nSpfA6lMpvHldw8w4ip7mYjXqWISfeH/PM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IW7e5oQDwGxFMmULPtpXxjY9lnBShrYEe+b/c8jbIAHO40ZolXbrGHQX0DCgcOS9yKrRQIfShVw3vAdnkW6NmX04IEdqnt3kIx+DlYsQY+EZnxJYY2u1mZi814d43Pn0SNZu0t/d7CeBrtBp5H665ieHlcnzfd11F9zfmtOK5bo= 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=FHHLlguO; arc=none smtp.client-ip=192.198.163.18 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="FHHLlguO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1757193992; x=1788729992; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=CMGs8i3Y8nSpfA6lMpvHldw8w4ip7mYjXqWISfeH/PM=; b=FHHLlguOvTUFaFEFxHHGj6zrRc9v7uDyNSvZRDDv3sPWNE3ua4cocI/2 VaNoPqSMw1xdVmP3d6Zs2t9Zj0UBIcx+EWeaxKkAFHDlsGgn7xXYhg5zY EwMoE4lwixPVx5w33GojPVp+jSoZMMnzHK0uhCapv3Ul8bzNSF7ZeTUWz htLfv8oy2m/6oEcdPHY4TMEpjGO4+3DOG3kViZsJCzQPFQXl5ZdjcGGUr 4OpcukyZgxjXGn0gHVq1PybbtM8DeofCn7eQPBO8lJUZyYnUpMtm3BZNG MiizuJ8f2cISeP9RGqnTKVdNnIRvkMSB6BzdTqqD6ykAEX2qThy5tHRRP A==; X-CSE-ConnectionGUID: zrORHN8sTo2EPmldWSOGtQ== X-CSE-MsgGUID: 7zj8z33HRT+2H3ddFzIkmg== X-IronPort-AV: E=McAfee;i="6800,10657,11545"; a="58715851" X-IronPort-AV: E=Sophos;i="6.18,245,1751266800"; d="scan'208";a="58715851" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2025 14:26:31 -0700 X-CSE-ConnectionGUID: VbX9FkwRSrCKGheZZSUk1w== X-CSE-MsgGUID: XHIZwNXBQuyDKp8oVdJh6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,245,1751266800"; d="scan'208";a="172009225" Received: from lkp-server01.sh.intel.com (HELO 114d98da2b6c) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 06 Sep 2025 14:26:27 -0700 Received: from kbuild by 114d98da2b6c with local (Exim 4.96) (envelope-from ) id 1uv0QT-0001np-1W; Sat, 06 Sep 2025 21:26:25 +0000 Date: Sun, 7 Sep 2025 05:26:13 +0800 From: kernel test robot To: Ryan Chen , Eddie James , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , Lee Jones , linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH v3 4/4] irqchip/aspeed-scu-ic: Add support AST2700 SCU interrupt controllers Message-ID: <202509070538.5HcCJf2T-lkp@intel.com> References: <20250906014846.861368-5-ryan_chen@aspeedtech.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: <20250906014846.861368-5-ryan_chen@aspeedtech.com> Hi Ryan, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/irq/core] [also build test WARNING on robh/for-next lee-mfd/for-mfd-next lee-mfd/for-mfd-fixes linus/master v6.17-rc4 next-20250905] [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/Ryan-Chen/irqchip-aspeed-scu-ic-Refactor-driver-to-support-variant-based-initialization/20250906-095043 base: tip/irq/core patch link: https://lore.kernel.org/r/20250906014846.861368-5-ryan_chen%40aspeedtech.com patch subject: [PATCH v3 4/4] irqchip/aspeed-scu-ic: Add support AST2700 SCU interrupt controllers config: arm-randconfig-001-20250906 (https://download.01.org/0day-ci/archive/20250907/202509070538.5HcCJf2T-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 7fb1dc08d2f025aad5777bb779dfac1197e9ef87) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250907/202509070538.5HcCJf2T-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/202509070538.5HcCJf2T-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/irqchip/irq-aspeed-scu-ic.c:93:34: warning: variable 'mask' is uninitialized when used here [-Wuninitialized] 93 | writel((readl(scu_ic->base) & ~mask) | | ^~~~ drivers/irqchip/irq-aspeed-scu-ic.c:69:24: note: initialize the variable 'mask' to silence this warning 69 | unsigned int sts, mask; | ^ | = 0 >> drivers/irqchip/irq-aspeed-scu-ic.c:106:20: warning: variable 'mask' set but not used [-Wunused-but-set-variable] 106 | unsigned int sts, mask; | ^ 2 warnings generated. vim +/mask +106 drivers/irqchip/irq-aspeed-scu-ic.c 100 101 static void aspeed_scu_ic_irq_handler_split(struct irq_desc *desc) 102 { 103 struct aspeed_scu_ic *scu_ic = irq_desc_get_handler_data(desc); 104 struct irq_chip *chip = irq_desc_get_chip(desc); 105 unsigned long bit, enabled, max, status; > 106 unsigned int sts, mask; 107 108 chained_irq_enter(chip, desc); 109 110 mask = scu_ic->irq_enable; 111 sts = readl(scu_ic->base + scu_ic->isr); 112 enabled = sts & scu_ic->irq_enable; 113 sts = readl(scu_ic->base + scu_ic->isr); 114 status = sts & enabled; 115 116 bit = scu_ic->irq_shift; 117 max = scu_ic->num_irqs + bit; 118 119 for_each_set_bit_from(bit, &status, max) { 120 generic_handle_domain_irq(scu_ic->irq_domain, bit - scu_ic->irq_shift); 121 writel(BIT(bit), scu_ic->base + scu_ic->isr); // clear interrupt 122 } 123 124 chained_irq_exit(chip, desc); 125 } 126 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki