From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 39F662EB87D; Thu, 15 Jan 2026 23:19:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768519167; cv=none; b=g7+7mgXkAm2U1muR6qRdmZWfuJJuifV3t3gKWJJX+747ir5CsTCu3lvbQZvekdYhIsxntlyQ8K4pKcXpKzChGsBgbZOcGO3wRuLlnJVcWguBXSrrdOxJBLECfhn11Qe5EY7NKryJUu8C4Pv+vvNU87WJC5gQFHqQDPhhPmPHa3I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768519167; c=relaxed/simple; bh=kwGRF5mURihJe/iQlmz7bEwEkA+zgkfqc7bU0SHLJZc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UoEFiHbq+wlJlFa5NkelouNyY/upWqdEuYQHbqCX/UL4a6mSM7ayFUVZRFxCIffKrz53Gtb62EWfM1bIjFjwSd2aQCmTNQjOPCNWHWRUHSmJQT6dRQvKV8LeTxVdUXDiWo1rDLeMZhSMmcd1GML+qI2WdjycBlj+S+HX8yR1U80= 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=Ys1zqpzl; arc=none smtp.client-ip=198.175.65.12 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="Ys1zqpzl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768519166; x=1800055166; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=kwGRF5mURihJe/iQlmz7bEwEkA+zgkfqc7bU0SHLJZc=; b=Ys1zqpzldmic0T97luv/oZV2BZmvBuMNJokT+NJZE0sGrVkgYla+CoWK 0m9pUja5/k3U7fMvszundbcKmx3j9blorwydzRbJrxUbWgEUwOZbpRTfS VnwYcU/FBkkvnn8tiqsDHLhdWaqn8se0P3ObA4ec4xjulfrJBRZk+G0/z YBp3tOxFJ0+FISUdtyN2stbEWHEgJYBJA1UUK0qJ/bvrt8cpgIOz1uDmu ptJ+FQinssHXpVQC46CyBJLBO4KfLqWe1pjzNuWWxkYO+GtXBd4C79cHO iD/XewEFkgOacOsZUkrJJigzc4ejVAipqTdiaPynIyHi/weypVDJHLKSM Q==; X-CSE-ConnectionGUID: Of/mdfkrRsCTOoMmyttuYw== X-CSE-MsgGUID: kIbWcXM+Tymfm4cmdz0Tlg== X-IronPort-AV: E=McAfee;i="6800,10657,11672"; a="81283361" X-IronPort-AV: E=Sophos;i="6.21,229,1763452800"; d="scan'208";a="81283361" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jan 2026 15:19:25 -0800 X-CSE-ConnectionGUID: I06q/XGzSDitkMj/Do7Ecg== X-CSE-MsgGUID: EAbpvl4JTUi151xMldnkpw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,229,1763452800"; d="scan'208";a="205496892" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 15 Jan 2026 15:19:21 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vgWcZ-00000000K6K-0h7Y; Thu, 15 Jan 2026 23:19:19 +0000 Date: Fri, 16 Jan 2026 07:18:32 +0800 From: kernel test robot To: "Bastien Curutchet (Schneider Electric)" , Woojung Huh , UNGLinuxDriver@microchip.com, Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Richard Cochran , Simon Horman Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, Pascal Eberhard , =?iso-8859-1?Q?Miqu=E8l?= Raynal , Thomas Petazzoni , linux-kernel@vger.kernel.org, "Bastien Curutchet (Schneider Electric)" Subject: Re: [PATCH net-next 4/8] net: dsa: microchip: Add support for KSZ8463's PTP interrupts Message-ID: <202601160729.AzeG6b64-lkp@intel.com> References: <20260115-ksz8463-ptp-v1-4-bcfe2830cf50@bootlin.com> Precedence: bulk X-Mailing-List: netdev@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: <20260115-ksz8463-ptp-v1-4-bcfe2830cf50@bootlin.com> Hi Bastien, kernel test robot noticed the following build warnings: [auto build test WARNING on 3adff276e751051e77be4df8d29eab1cf0856fbf] url: https://github.com/intel-lab-lkp/linux/commits/Bastien-Curutchet-Schneider-Electric/net-dsa-microchip-Add-support-for-KSZ8463-global-irq/20260116-000545 base: 3adff276e751051e77be4df8d29eab1cf0856fbf patch link: https://lore.kernel.org/r/20260115-ksz8463-ptp-v1-4-bcfe2830cf50%40bootlin.com patch subject: [PATCH net-next 4/8] net: dsa: microchip: Add support for KSZ8463's PTP interrupts config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20260116/202601160729.AzeG6b64-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260116/202601160729.AzeG6b64-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/202601160729.AzeG6b64-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/net/dsa/microchip/ksz_ptp.c:1187:40: warning: variable 'p' is uninitialized when used here [-Wuninitialized] 1187 | ptpirq->reg_mask = ops->get_port_addr(p, KSZ8463_PTP_TS_IER); | ^ drivers/net/dsa/microchip/ksz_ptp.c:1175:7: note: initialize the variable 'p' to silence this warning 1175 | int p; | ^ | = 0 1 warning generated. vim +/p +1187 drivers/net/dsa/microchip/ksz_ptp.c 1167 1168 int ksz8463_ptp_irq_setup(struct dsa_switch *ds) 1169 { 1170 struct ksz_device *dev = ds->priv; 1171 const struct ksz_dev_ops *ops = dev->dev_ops; 1172 struct ksz_port *port1, *port2; 1173 struct ksz_irq *ptpirq; 1174 int ret; 1175 int p; 1176 1177 port1 = &dev->ports[0]; 1178 port2 = &dev->ports[1]; 1179 ptpirq = &port1->ptpirq; 1180 1181 ptpirq->irq_num = irq_find_mapping(dev->girq.domain, KSZ8463_SRC_PTP_INT); 1182 if (!ptpirq->irq_num) 1183 return -EINVAL; 1184 1185 ptpirq->dev = dev; 1186 ptpirq->nirqs = 4; > 1187 ptpirq->reg_mask = ops->get_port_addr(p, KSZ8463_PTP_TS_IER); 1188 ptpirq->reg_status = ops->get_port_addr(p, KSZ8463_PTP_TS_ISR); 1189 ptpirq->irq0_offset = KSZ8463_PTP_INT_START; 1190 snprintf(ptpirq->name, sizeof(ptpirq->name), "ptp-irq-%d", p); 1191 1192 ptpirq->domain = irq_domain_create_linear(dev_fwnode(dev->dev), ptpirq->nirqs, 1193 &ksz_ptp_irq_domain_ops, ptpirq); 1194 if (!ptpirq->domain) 1195 return -ENOMEM; 1196 1197 ret = request_threaded_irq(ptpirq->irq_num, NULL, ksz_ptp_irq_thread_fn, 1198 IRQF_ONESHOT, ptpirq->name, ptpirq); 1199 if (ret) 1200 goto release_domain; 1201 1202 ret = ksz8463_ptp_port_irq_setup(ptpirq, port1, 1203 KSZ8463_PTP_PORT1_INT_START - KSZ8463_PTP_INT_START); 1204 if (ret) 1205 goto release_irq; 1206 1207 ret = ksz8463_ptp_port_irq_setup(ptpirq, port2, 1208 KSZ8463_PTP_PORT2_INT_START - KSZ8463_PTP_INT_START); 1209 if (ret) 1210 goto free_port1; 1211 1212 return 0; 1213 1214 free_port1: 1215 ksz8463_ptp_port_irq_teardown(port1); 1216 release_irq: 1217 free_irq(ptpirq->irq_num, ptpirq); 1218 release_domain: 1219 irq_domain_remove(ptpirq->domain); 1220 1221 return ret; 1222 } 1223 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki