From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C23C5C433EF for ; Thu, 7 Apr 2022 06:42:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236430AbiDGGoe (ORCPT ); Thu, 7 Apr 2022 02:44:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236504AbiDGGoe (ORCPT ); Thu, 7 Apr 2022 02:44:34 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BD1B12A8C8; Wed, 6 Apr 2022 23:42:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649313755; x=1680849755; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=EAVTFpy6LYooCFderoQr99inMqBK7rOaH4ENk+A9Eow=; b=YV1/ibCF/LR33lNwLpVKJXaKlBETQ2XBGjJxtlyQflhs3z2TZUW+UFAJ 2PThuBGfIziFciMVFuLzf8Frc20QED1n8VaSlPqNCxhswUEKF8vLQj517 7S9q/vh18iXScUF8l7OTHri2QMCdlA6oH+7tbc6Wj9eEnGlv9HgrauFGN HlYNFsX2eISoXq+8KwHJxhcO952oX0qxRrw/1WWlg5WvR6nJtYS5lITvZ 7WJpXP6YlDzR6kcOHea80cNcWX3qIYY9zXC5XcFXGnCJd1kmdo42Rt48a 36CQSeClEhPYNS/4aNB2kqeJkqEINdj6j/rZXvgMhSrAiTH2DDTkXyvT9 A==; X-IronPort-AV: E=McAfee;i="6200,9189,10309"; a="286222094" X-IronPort-AV: E=Sophos;i="5.90,241,1643702400"; d="scan'208";a="286222094" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Apr 2022 23:42:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,241,1643702400"; d="scan'208";a="658948076" Received: from lkp-server02.sh.intel.com (HELO a44fdfb70b94) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 06 Apr 2022 23:42:31 -0700 Received: from kbuild by a44fdfb70b94 with local (Exim 4.95) (envelope-from ) id 1ncLqh-00059j-1S; Thu, 07 Apr 2022 06:42:31 +0000 Date: Thu, 7 Apr 2022 14:41:48 +0800 From: kernel test robot To: Andy Shevchenko , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: kbuild-all@lists.01.org, Daniel Scally , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , "Rafael J. Wysocki" , Len Brown , Michael Walle Subject: Re: [PATCH v5 4/4] device property: Constify fwnode APIs that uses fwnode_get_next_parent() Message-ID: <202204071409.Vfki7cgi-lkp@intel.com> References: <20220406130552.30930-4-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220406130552.30930-4-andriy.shevchenko@linux.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Hi Andy, I love your patch! Perhaps something to improve: [auto build test WARNING on driver-core/driver-core-testing] [also build test WARNING on rafael-pm/linux-next linus/master linux/master v5.18-rc1 next-20220406] [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] url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/device-property-Allow-error-pointer-to-be-passed-to-fwnode-APIs/20220407-002511 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git 3123109284176b1532874591f7c81f3837bbdc17 config: i386-randconfig-s001 (https://download.01.org/0day-ci/archive/20220407/202204071409.Vfki7cgi-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-19) 11.2.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/intel-lab-lkp/linux/commit/d9d353ada8d8c3b1b7f3965ad7fe191bd7dea930 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Andy-Shevchenko/device-property-Allow-error-pointer-to-be-passed-to-fwnode-APIs/20220407-002511 git checkout d9d353ada8d8c3b1b7f3965ad7fe191bd7dea930 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/base/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/base/property.c:647:42: sparse: sparse: incorrect type in argument 1 (different modifiers) @@ expected struct fwnode_handle *fwnode @@ got struct fwnode_handle const *fwnode @@ drivers/base/property.c:647:42: sparse: expected struct fwnode_handle *fwnode drivers/base/property.c:647:42: sparse: got struct fwnode_handle const *fwnode vim +647 drivers/base/property.c 87e5e95db31a27 Sakari Ailus 2019-10-03 629 87e5e95db31a27 Sakari Ailus 2019-10-03 630 /** 87e5e95db31a27 Sakari Ailus 2019-10-03 631 * fwnode_get_nth_parent - Return an nth parent of a node 87e5e95db31a27 Sakari Ailus 2019-10-03 632 * @fwnode: The node the parent of which is requested 87e5e95db31a27 Sakari Ailus 2019-10-03 633 * @depth: Distance of the parent from the node 87e5e95db31a27 Sakari Ailus 2019-10-03 634 * 87e5e95db31a27 Sakari Ailus 2019-10-03 635 * Returns the nth parent of a node. If there is no parent at the requested 87e5e95db31a27 Sakari Ailus 2019-10-03 636 * @depth, %NULL is returned. If @depth is 0, the functionality is equivalent to 87e5e95db31a27 Sakari Ailus 2019-10-03 637 * fwnode_handle_get(). For @depth == 1, it is fwnode_get_parent() and so on. 87e5e95db31a27 Sakari Ailus 2019-10-03 638 * 87e5e95db31a27 Sakari Ailus 2019-10-03 639 * The caller is responsible for calling fwnode_handle_put() for the returned 87e5e95db31a27 Sakari Ailus 2019-10-03 640 * node. 87e5e95db31a27 Sakari Ailus 2019-10-03 641 */ d9d353ada8d8c3 Andy Shevchenko 2022-04-06 642 struct fwnode_handle *fwnode_get_nth_parent(const struct fwnode_handle *fwnode, unsigned int depth) 87e5e95db31a27 Sakari Ailus 2019-10-03 643 { 040f806ecab6cd Andy Shevchenko 2022-04-06 644 struct fwnode_handle *parent; 87e5e95db31a27 Sakari Ailus 2019-10-03 645 040f806ecab6cd Andy Shevchenko 2022-04-06 646 if (depth == 0) 040f806ecab6cd Andy Shevchenko 2022-04-06 @647 return fwnode_handle_get(fwnode); 87e5e95db31a27 Sakari Ailus 2019-10-03 648 040f806ecab6cd Andy Shevchenko 2022-04-06 649 fwnode_for_each_parent_node(fwnode, parent) { 040f806ecab6cd Andy Shevchenko 2022-04-06 650 if (--depth == 0) 040f806ecab6cd Andy Shevchenko 2022-04-06 651 return parent; 040f806ecab6cd Andy Shevchenko 2022-04-06 652 } 040f806ecab6cd Andy Shevchenko 2022-04-06 653 return NULL; 87e5e95db31a27 Sakari Ailus 2019-10-03 654 } 87e5e95db31a27 Sakari Ailus 2019-10-03 655 EXPORT_SYMBOL_GPL(fwnode_get_nth_parent); 87e5e95db31a27 Sakari Ailus 2019-10-03 656 -- 0-DAY CI Kernel Test Service https://01.org/lkp