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 77130C25B0F for ; Fri, 12 Aug 2022 21:13:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233878AbiHLVNE (ORCPT ); Fri, 12 Aug 2022 17:13:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35662 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233349AbiHLVNA (ORCPT ); Fri, 12 Aug 2022 17:13:00 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0574B16599; Fri, 12 Aug 2022 14:13:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1660338779; x=1691874779; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=+MgGPOFWi4b+KDvImOqRcMS3e42YWnZGtwsNNODWnPE=; b=NhxJFyNU/HBeFVrn/45rGnbNh+S7IxnmVD2oK33LSaw+9Wz98GCKSBKh 4H7IStiW0ieIituBRaSG8dlqXzdmgcCSF+axp+EYt1+GBWWDq1LuL3hpe TDVg4iT0iip2rirr7CKpYaV+XX9Q2XobyTds9EVDyqiIo+0ES94JcJh+p KXZdhNfsPsuB3otvv67SuiXDt7XSZfBtm4n/XdJ6MLgXHDqmfvQmU1/cV 2Gf/gTTxSRvWgRWTNV8baJJIrMdJlREmAU7J3vUSNFnO9q6xSLwqgk0o/ bSr42dWWwG/hQBg0DFHSE8eVcgr47mZFye0oJNXgMOpOcdfuhhfcwtURT Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10437"; a="377979611" X-IronPort-AV: E=Sophos;i="5.93,233,1654585200"; d="scan'208";a="377979611" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Aug 2022 14:12:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,233,1654585200"; d="scan'208";a="582230200" Received: from lkp-server02.sh.intel.com (HELO 8745164cafc7) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 12 Aug 2022 14:12:56 -0700 Received: from kbuild by 8745164cafc7 with local (Exim 4.96) (envelope-from ) id 1oMbxg-0000wr-0q; Fri, 12 Aug 2022 21:12:56 +0000 Date: Sat, 13 Aug 2022 05:12:45 +0800 From: kernel test robot To: Pali =?iso-8859-1?Q?Roh=E1r?= , Lorenzo Pieralisi , Thomas Petazzoni , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Bjorn Helgaas Cc: kbuild-all@lists.01.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] PCI: mvebu: Fix endianity when accessing pci emul bridge members Message-ID: <202208130542.WpzYnXZ3-lkp@intel.com> References: <20220812094058.16141-1-pali@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220812094058.16141-1-pali@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi "Pali, I love your patch! Perhaps something to improve: [auto build test WARNING on helgaas-pci/next] [also build test WARNING on linus/master v5.19 next-20220812] [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/Pali-Roh-r/PCI-mvebu-Fix-endianity-when-accessing-pci-emul-bridge-members/20220812-174306 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: arm-randconfig-s041-20220812 (https://download.01.org/0day-ci/archive/20220813/202208130542.WpzYnXZ3-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/525898e0a8389f8bb560edbce3f07a3ec2550968 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Pali-Roh-r/PCI-mvebu-Fix-endianity-when-accessing-pci-emul-bridge-members/20220812-174306 git checkout 525898e0a8389f8bb560edbce3f07a3ec2550968 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/pci/controller/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/pci/controller/pci-mvebu.c:538:25: sparse: sparse: restricted __le16 degrades to integer >> drivers/pci/controller/pci-mvebu.c:538:25: sparse: sparse: cast to restricted __le16 drivers/pci/controller/pci-mvebu.c:541:26: sparse: sparse: restricted __le16 degrades to integer drivers/pci/controller/pci-mvebu.c:541:26: sparse: sparse: cast to restricted __le16 vim +538 drivers/pci/controller/pci-mvebu.c 518 519 static int mvebu_pcie_handle_iobase_change(struct mvebu_pcie_port *port) 520 { 521 struct mvebu_pcie_window desired = {}; 522 struct pci_bridge_emul_conf *conf = &port->bridge.conf; 523 524 /* Are the new iobase/iolimit values invalid? */ 525 if (conf->iolimit < conf->iobase || 526 le16_to_cpu(conf->iolimitupper) < le16_to_cpu(conf->iobaseupper)) 527 return mvebu_pcie_set_window(port, port->io_target, port->io_attr, 528 &desired, &port->iowin); 529 530 /* 531 * We read the PCI-to-PCI bridge emulated registers, and 532 * calculate the base address and size of the address decoding 533 * window to setup, according to the PCI-to-PCI bridge 534 * specifications. iobase is the bus address, port->iowin_base 535 * is the CPU address. 536 */ 537 desired.remap = ((conf->iobase & 0xF0) << 8) | > 538 le16_to_cpu(conf->iobaseupper << 16); 539 desired.base = port->pcie->io.start + desired.remap; 540 desired.size = ((0xFFF | ((conf->iolimit & 0xF0) << 8) | 541 le16_to_cpu(conf->iolimitupper << 16)) - 542 desired.remap) + 543 1; 544 545 return mvebu_pcie_set_window(port, port->io_target, port->io_attr, &desired, 546 &port->iowin); 547 } 548 -- 0-DAY CI Kernel Test Service https://01.org/lkp