From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 13F152EE268; Mon, 22 Sep 2025 07:57:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758527853; cv=none; b=NBgrvqIrIUVtOlhXo1+u2TCEPMVuhWCmhLmvU3cHFpOg8TYsZLr4FXua8oRwS7Viy0iBVQB/GPoeotbP6mB+k2mNRMTozdzWnKgmlvGHw+JLmcXju0BmY3MMUKcykZ0V/xn+fRhA7gwd1y763doDQ0n8cN+Oadv7nno4Qn7kFNw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758527853; c=relaxed/simple; bh=8yVDHTkeERDKqGU8/+5de0a01zz7l/9JjTsXpfwJEqU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lGZq0r6MZwc+DnOgKwP8SFu77JgdrngjkQ7vMq67vrYnCHrnk2sohbeAGT0t+v49l68z1SxTKu6eTNd31CbWfSuMRHJRKxvSLXruhDTeEBONgxGAykEJXE+UVyKChcvj23RE8TcSgBqkVmU/NCm4jHhk4VCssGqNSi5oa+sGB6A= 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=TjgRs4rm; arc=none smtp.client-ip=192.198.163.15 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="TjgRs4rm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758527852; x=1790063852; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8yVDHTkeERDKqGU8/+5de0a01zz7l/9JjTsXpfwJEqU=; b=TjgRs4rmwW5v0yZCOlqNcAg96oG0h+dKEFCADumPcty2zoLHrdeo6sKT WuserhXt7PZcBUf5EaAxVgofXYDrJR/rph1rQ5kgjUGHSvZiijmeMIYcj CglOwfekxfEwvG9kGFZQChV4afgRy1IxhhhyoMAsYvmahfk1SBfoUMDI3 lS/R+WfsfdpsqlSmPF/0Qe3ILqgDOP4IERldduL7Bcq8aHd8pQkM799uy nQOITsAM6VJE8OQoaHSu8GcoLxGpad4v9ZdZD3EL3mVEC0wd1gKPAt1mp 2rUaKk1vQnscjhtKcrI4lM7uS/8XCd06xDrRa5RwCv7ZlHtpZkOaSTpHo g==; X-CSE-ConnectionGUID: ctd+v4wfT4CNyOdT4fbQyg== X-CSE-MsgGUID: 1CHTgxUUSuyxc6eyAcl1AA== X-IronPort-AV: E=McAfee;i="6800,10657,11560"; a="60901903" X-IronPort-AV: E=Sophos;i="6.18,284,1751266800"; d="scan'208";a="60901903" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2025 00:57:31 -0700 X-CSE-ConnectionGUID: A37dvFYzS3yKNurn/d60PA== X-CSE-MsgGUID: JVijE6a3RaepPTic1nShNw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,284,1751266800"; d="scan'208";a="180675538" Received: from lkp-server02.sh.intel.com (HELO 84c55410ccf6) ([10.239.97.151]) by orviesa004.jf.intel.com with ESMTP; 22 Sep 2025 00:57:24 -0700 Received: from kbuild by 84c55410ccf6 with local (Exim 4.96) (envelope-from ) id 1v0bQH-0001R3-1T; Mon, 22 Sep 2025 07:57:21 +0000 Date: Mon, 22 Sep 2025 15:56:35 +0800 From: kernel test robot To: Chaoyi Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Heikki Krogerus , Greg Kroah-Hartman , Chaoyi Chen , Dragan Simic , Johan Jonker , Diederik de Haas , Dmitry Baryshkov , Peter Robinson Cc: oe-kbuild-all@lists.linux.dev, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH v4 1/7] usb: typec: Add default HPD device when register DisplayPort altmode Message-ID: <202509221516.1umvcXG6-lkp@intel.com> References: <20250922012039.323-2-kernel@airkyi.com> Precedence: bulk X-Mailing-List: linux-usb@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: <20250922012039.323-2-kernel@airkyi.com> Hi Chaoyi, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus robh/for-next linus/master v6.17-rc7 next-20250919] [cannot apply to rockchip/for-next] [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/Chaoyi-Chen/usb-typec-Add-default-HPD-device-when-register-DisplayPort-altmode/20250922-092549 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20250922012039.323-2-kernel%40airkyi.com patch subject: [PATCH v4 1/7] usb: typec: Add default HPD device when register DisplayPort altmode config: i386-buildonly-randconfig-003-20250922 (https://download.01.org/0day-ci/archive/20250922/202509221516.1umvcXG6-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250922/202509221516.1umvcXG6-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/202509221516.1umvcXG6-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/usb/typec/class.c:18: >> drivers/usb/typec/altmodes/displayport.h:7:5: warning: no previous prototype for 'dp_altmode_probe' [-Wmissing-prototypes] 7 | int dp_altmode_probe(struct typec_altmode *alt) { return -ENOTSUPP; } | ^~~~~~~~~~~~~~~~ >> drivers/usb/typec/altmodes/displayport.h:8:6: warning: no previous prototype for 'dp_altmode_remove' [-Wmissing-prototypes] 8 | void dp_altmode_remove(struct typec_altmode *alt) { } | ^~~~~~~~~~~~~~~~~ >> drivers/usb/typec/altmodes/displayport.h:9:6: warning: no previous prototype for 'dp_altmode_hpd_device_register' [-Wmissing-prototypes] 9 | void dp_altmode_hpd_device_register(struct typec_altmode *alt) { } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/dp_altmode_probe +7 drivers/usb/typec/altmodes/displayport.h d266e96820cc36 Ajay Gupta 2019-04-23 @7 int dp_altmode_probe(struct typec_altmode *alt) { return -ENOTSUPP; } d266e96820cc36 Ajay Gupta 2019-04-23 @8 void dp_altmode_remove(struct typec_altmode *alt) { } 50d2edccce6bf3 Chaoyi Chen 2025-09-22 @9 void dp_altmode_hpd_device_register(struct typec_altmode *alt) { } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki