From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 C86F41A239A; Sat, 7 Feb 2026 11:15:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770462945; cv=none; b=VXHP6j2ZB+vUwz1VUwaotVMvHhLC52RNoj/Eq7QbM66pPK9rJxkBQrQz/25BQTkV6AS8WODWU9FMD7b8tN539U+fL4AxJ+fDqyvmjEQRnfonW3pJrTy2Rfaz54Yx/LMvJ/2alxGjOWCmyAyf8XZNrBPewMiDh+FTSvzo/fJF1OU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770462945; c=relaxed/simple; bh=qOTMyY8iw0Hxk+7JdvvZN0z2iHOtYdPDl/VrlBCuGrU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FlkKwwZvksqkDBVWtMBXj5uTrMYRP8xrLsxoPVqVmspc1p/WwEGdk32YlLRNSOQnmxmA9mHMt4iAwK2/vP8zG30lxtt3FOQnOCVhdWvoZL6uJvwQ755hxkrj2fH0Xof9ksDsXSXQ6razuKHi0C0m8wIryXRiQpI3ZV6UVg4SigM= 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=FQfBHcHQ; arc=none smtp.client-ip=192.198.163.16 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="FQfBHcHQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770462945; x=1801998945; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qOTMyY8iw0Hxk+7JdvvZN0z2iHOtYdPDl/VrlBCuGrU=; b=FQfBHcHQf0C6qenjTD2yu5P1R8KURIOMvsG8oI7VaPXfbdPVyiOEMpB6 IRv90uFvk3n05sxHygcab1WHdwGfaZ2Fzs1mrozCJGEzG+XfzVEQYOCoe z7ZCKWnikMlBXA0L+m5WXWrdCj5yO+X4bUPkt1d7s53OA2r7IcruApxsS AJayUxwVmyie2zLvmqEtDwr8wAsamL1NCm9nC9s0k1dmWtSLzArAaHLge 3OfT8KLAFhTdFRlm++BIaUzgXr0NOQf9lVtd0ReJzk6Rq1HevqHlXczEG 6d9E+ET8mqw3GgOzEKSNae9yp71Cw3wdLjh4zKypCeBg+SHEXVCEiX1sl Q==; X-CSE-ConnectionGUID: duXWD3Z3SDyxymREthCv1Q== X-CSE-MsgGUID: DdEumKn9R9mehV939xGs0Q== X-IronPort-AV: E=McAfee;i="6800,10657,11693"; a="59219637" X-IronPort-AV: E=Sophos;i="6.21,278,1763452800"; d="scan'208";a="59219637" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Feb 2026 03:15:44 -0800 X-CSE-ConnectionGUID: 7vXsVE9ATjei0yXdix2TyA== X-CSE-MsgGUID: 2xznzKtsTV+/GqjsCPehrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,278,1763452800"; d="scan'208";a="241759485" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 07 Feb 2026 03:15:41 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vogHr-00000000lbs-02mx; Sat, 07 Feb 2026 11:15:39 +0000 Date: Sat, 7 Feb 2026 19:15:16 +0800 From: kernel test robot To: Carl Lee via B4 Relay , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Charles Hsu Cc: oe-kbuild-all@lists.linux.dev, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, carl.lee@amd.com, peter.shen@amd.com, colin.huang2@amd.com Subject: Re: [PATCH v2 3/3] hwmon: pmbus: mpq8785: force direct mode for VID VOUT on MPQ8785/MPQ8786 Message-ID: <202602071904.asgoYuoc-lkp@intel.com> References: <20260205-dt-bindings-hwmon-pmbus-mpq8785-add-mpq8786-support-v2-3-3744cd9b2850@amd.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: <20260205-dt-bindings-hwmon-pmbus-mpq8785-add-mpq8786-support-v2-3-3744cd9b2850@amd.com> Hi Carl, kernel test robot noticed the following build warnings: [auto build test WARNING on 4c87cdd0328495759f6e9f9f4e1e53ef8032a76f] url: https://github.com/intel-lab-lkp/linux/commits/Carl-Lee-via-B4-Relay/dt-bindings-hwmon-pmbus-mpq8785-add-MPQ8786-support/20260205-180428 base: 4c87cdd0328495759f6e9f9f4e1e53ef8032a76f patch link: https://lore.kernel.org/r/20260205-dt-bindings-hwmon-pmbus-mpq8785-add-mpq8786-support-v2-3-3744cd9b2850%40amd.com patch subject: [PATCH v2 3/3] hwmon: pmbus: mpq8785: force direct mode for VID VOUT on MPQ8785/MPQ8786 config: s390-randconfig-001-20260207 (https://download.01.org/0day-ci/archive/20260207/202602071904.asgoYuoc-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260207/202602071904.asgoYuoc-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/202602071904.asgoYuoc-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/hwmon/pmbus/mpq8785.c: In function 'mpq8785_read_byte_data': >> drivers/hwmon/pmbus/mpq8785.c:61:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if ((ret >> 5) == 1) ^ drivers/hwmon/pmbus/mpq8785.c:63:2: note: here default: ^~~~~~~ vim +61 drivers/hwmon/pmbus/mpq8785.c 50 51 static int mpq8785_read_byte_data(struct i2c_client *client, int page, int reg) 52 { 53 int ret; 54 55 switch (reg) { 56 case PMBUS_VOUT_MODE: 57 ret = pmbus_read_byte_data(client, page, reg); 58 if (ret < 0) 59 return ret; 60 > 61 if ((ret >> 5) == 1) 62 return PB_VOUT_MODE_DIRECT; 63 default: 64 return -ENODATA; 65 } 66 67 return ret; 68 } 69 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki