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X-CSE-ConnectionGUID: lOx58MRtR3K8QZ2IKFAkuA== X-CSE-MsgGUID: 5Bh0ULSzRYiEfqP0nNYWIQ== X-IronPort-AV: E=McAfee;i="6800,10657,11532"; a="69382466" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="69382466" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2025 09:41:00 -0700 X-CSE-ConnectionGUID: ZXX6juDMRLScDZOFidyRMw== X-CSE-MsgGUID: qczmWVd4S5+NKxb4zEUCBg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="169937558" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by fmviesa010.fm.intel.com with ESMTP; 24 Aug 2025 09:40:57 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1uqDm3-000N5v-0g; Sun, 24 Aug 2025 16:40:55 +0000 Date: Mon, 25 Aug 2025 00:40:03 +0800 From: kernel test robot To: David Yang , netdev@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, David Yang , Andrew Lunn , Vladimir Oltean , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Simon Horman , Russell King , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v6 3/3] net: dsa: yt921x: Add support for Motorcomm YT921x Message-ID: <202508250002.afAgRCmk-lkp@intel.com> References: <20250824005116.2434998-4-mmyangfl@gmail.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: <20250824005116.2434998-4-mmyangfl@gmail.com> Hi David, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/David-Yang/dt-bindings-net-dsa-yt921x-Add-Motorcomm-YT921x-switch-support/20250824-085750 base: net-next/main patch link: https://lore.kernel.org/r/20250824005116.2434998-4-mmyangfl%40gmail.com patch subject: [PATCH net-next v6 3/3] net: dsa: yt921x: Add support for Motorcomm YT921x config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20250825/202508250002.afAgRCmk-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250825/202508250002.afAgRCmk-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/202508250002.afAgRCmk-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/dsa/yt921x.c: In function 'yt921x_port_down': >> drivers/net/dsa/yt921x.c:2683:13: warning: variable 'mask' set but not used [-Wunused-but-set-variable] 2683 | u32 mask; | ^~~~ vim +/mask +2683 drivers/net/dsa/yt921x.c 2680 2681 static int yt921x_port_down(struct yt921x_priv *priv, int port) 2682 { > 2683 u32 mask; 2684 u32 ctrl; 2685 int res; 2686 2687 ctrl = YT921X_PORT_LINK | YT921X_PORT_RX_MAC_EN | YT921X_PORT_TX_MAC_EN; 2688 res = yt921x_smi_clear_bits(priv, YT921X_PORTn_CTRL(port), ctrl); 2689 if (res) 2690 return res; 2691 2692 if (yt921x_port_is_external(port)) { 2693 ctrl = YT921X_SGMII_LINK; 2694 res = yt921x_smi_clear_bits(priv, YT921X_SGMIIn(port), ctrl); 2695 if (res) 2696 return res; 2697 2698 mask = YT921X_XMII_LINK; 2699 res = yt921x_smi_clear_bits(priv, YT921X_XMIIn(port), ctrl); 2700 if (res) 2701 return res; 2702 } 2703 2704 return 0; 2705 } 2706 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki