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X-CSE-ConnectionGUID: JbB18CAQTUifzUW/CCnkEA== X-CSE-MsgGUID: Gwi16FaWRE6lVvweFBFwxg== X-IronPort-AV: E=McAfee;i="6800,10657,11579"; a="80045086" X-IronPort-AV: E=Sophos;i="6.19,221,1754982000"; d="scan'208";a="80045086" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2025 15:52:44 -0700 X-CSE-ConnectionGUID: nQuqMc/sT76CwsSU/yNfug== X-CSE-MsgGUID: 6LVI2JFbRTmGaB+sfAiRJQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,221,1754982000"; d="scan'208";a="186548731" Received: from lkp-server01.sh.intel.com (HELO 6a630e8620ab) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 11 Oct 2025 15:52:41 -0700 Received: from kbuild by 6a630e8620ab with local (Exim 4.96) (envelope-from ) id 1v7iS7-000427-1M; Sat, 11 Oct 2025 22:52:39 +0000 Date: Sun, 12 Oct 2025 06:52:31 +0800 From: kernel test robot To: Peng Fan , Sudeep Holla , Cristian Marussi , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Dan Carpenter , Frank Li , arm-scmi@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan Subject: Re: [PATCH v2 2/2] firmware: imx: sm-misc: Dump syslog info Message-ID: <202510120607.1JmlmOTI-lkp@intel.com> References: <20251011-sm-syslog-v2-1-v2-2-f43a3f6b32e4@nxp.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: <20251011-sm-syslog-v2-1-v2-2-f43a3f6b32e4@nxp.com> Hi Peng, kernel test robot noticed the following build warnings: [auto build test WARNING on 2b763d4652393c90eaa771a5164502ec9dd965ae] url: https://github.com/intel-lab-lkp/linux/commits/Peng-Fan/firmware-arm_scmi-imx-Support-getting-syslog-of-MISC-protocol/20251011-193459 base: 2b763d4652393c90eaa771a5164502ec9dd965ae patch link: https://lore.kernel.org/r/20251011-sm-syslog-v2-1-v2-2-f43a3f6b32e4%40nxp.com patch subject: [PATCH v2 2/2] firmware: imx: sm-misc: Dump syslog info config: i386-buildonly-randconfig-001-20251012 (https://download.01.org/0day-ci/archive/20251012/202510120607.1JmlmOTI-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/20251012/202510120607.1JmlmOTI-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/202510120607.1JmlmOTI-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/firmware/imx/sm-misc.c:55:17: warning: unused variable 'dev' [-Wunused-variable] 55 | struct device *dev = file->private; | ^~~ 1 warning generated. vim +/dev +55 drivers/firmware/imx/sm-misc.c 50 51 static int syslog_show(struct seq_file *file, void *priv) 52 { 53 /* 4KB is large enough for syslog */ 54 void *syslog __free(kfree) = kmalloc(SZ_4K, GFP_KERNEL); > 55 struct device *dev = file->private; 56 /* syslog API use num words, not num bytes */ 57 u16 size = SZ_4K / 4; 58 int ret; 59 60 if (!ph) 61 return -ENODEV; 62 63 ret = imx_misc_ctrl_ops->misc_syslog(ph, &size, syslog); 64 if (ret) 65 return ret; 66 67 seq_hex_dump(file, " ", DUMP_PREFIX_NONE, 16, sizeof(u32), syslog, size * 4, false); 68 seq_putc(file, '\n'); 69 70 return 0; 71 } 72 DEFINE_SHOW_ATTRIBUTE(syslog); 73 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki