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 CC940C433EF for ; Sun, 20 Mar 2022 00:07:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244424AbiCTAJP (ORCPT ); Sat, 19 Mar 2022 20:09:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239436AbiCTAJO (ORCPT ); Sat, 19 Mar 2022 20:09:14 -0400 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 117881680B5 for ; Sat, 19 Mar 2022 17:07:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647734872; x=1679270872; h=date:from:to:cc:subject:message-id:mime-version; bh=ll23AWeQwxMxKA3iJWQrr3g1ATxSTxgS0IONQBLrEFk=; b=AvZKV+pBz/wxF8SIhawKB47FJv5w6mtF/U7CNHttp7MjXh/rdzQDifbT 9Gw8V1u04Z1FFzzBh9oETAKGfdQdGcMC+5uqmkzCLtJAITlMQ1wLWePDC s4niYigbt4AgkgAwUfMhILq/o1InN/nvlCQUoUUGFrFdTN79IK9V0fcKZ O14ez9chg6mUUriKkwbN4B/bjNO/j9NaNzD/1AHa8gBRkO7OQA5gzya4c qdrlUnzjj0GNSA2mfyTV5rw9oUyOA33mnfYO2t1zSmxgAocqctWNjpIj9 sv9FWPA8orGgSva1W2c3VpEpr1tizOY6z8khpCutl8U/eX9lzJwdTd7H8 Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10291"; a="318045515" X-IronPort-AV: E=Sophos;i="5.90,195,1643702400"; d="scan'208";a="318045515" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2022 17:07:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,195,1643702400"; d="scan'208";a="636232092" Received: from lkp-server02.sh.intel.com (HELO 89b41b6ae01c) ([10.239.97.151]) by FMSMGA003.fm.intel.com with ESMTP; 19 Mar 2022 17:07:50 -0700 Received: from kbuild by 89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nVj6r-000GOP-I3; Sun, 20 Mar 2022 00:07:49 +0000 Date: Sun, 20 Mar 2022 08:07:40 +0800 From: kernel test robot To: Linus Walleij Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: arch/arm/mach-ixp4xx/common-pci.c:143:5: warning: no previous prototype for 'ixp4xx_pci_write' Message-ID: <202203200849.3dFXVKxt-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Linus, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 34e047aa16c0123bbae8e2f6df33e5ecc1f56601 commit: d5d9f7ac58ea1041375a028f143ca5784693ea86 ARM/ixp4xx: Make NEED_MACH_IO_H optional date: 9 months ago config: arm-buildonly-randconfig-r004-20220320 (https://download.01.org/0day-ci/archive/20220320/202203200849.3dFXVKxt-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5d9f7ac58ea1041375a028f143ca5784693ea86 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d5d9f7ac58ea1041375a028f143ca5784693ea86 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): arch/arm/mach-ixp4xx/common-pci.c:94:5: warning: no previous prototype for 'ixp4xx_pci_read_errata' [-Wmissing-prototypes] 94 | int ixp4xx_pci_read_errata(u32 addr, u32 cmd, u32* data) | ^~~~~~~~~~~~~~~~~~~~~~ arch/arm/mach-ixp4xx/common-pci.c:121:5: warning: no previous prototype for 'ixp4xx_pci_read_no_errata' [-Wmissing-prototypes] 121 | int ixp4xx_pci_read_no_errata(u32 addr, u32 cmd, u32* data) | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/arm/mach-ixp4xx/common-pci.c:143:5: warning: no previous prototype for 'ixp4xx_pci_write' [-Wmissing-prototypes] 143 | int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data) | ^~~~~~~~~~~~~~~~ vim +/ixp4xx_pci_write +143 arch/arm/mach-ixp4xx/common-pci.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 142 ^1da177e4c3f41 Linus Torvalds 2005-04-16 @143 int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data) ^1da177e4c3f41 Linus Torvalds 2005-04-16 144 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 145 unsigned long flags; ^1da177e4c3f41 Linus Torvalds 2005-04-16 146 int retval = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 147 bd31b85960a7fc Thomas Gleixner 2009-07-03 148 raw_spin_lock_irqsave(&ixp4xx_pci_lock, flags); ^1da177e4c3f41 Linus Torvalds 2005-04-16 149 ^1da177e4c3f41 Linus Torvalds 2005-04-16 150 *PCI_NP_AD = addr; ^1da177e4c3f41 Linus Torvalds 2005-04-16 151 ^1da177e4c3f41 Linus Torvalds 2005-04-16 152 /* set up the write */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 153 *PCI_NP_CBE = cmd; ^1da177e4c3f41 Linus Torvalds 2005-04-16 154 ^1da177e4c3f41 Linus Torvalds 2005-04-16 155 /* execute the write by writing to NP_WDATA */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 156 *PCI_NP_WDATA = data; ^1da177e4c3f41 Linus Torvalds 2005-04-16 157 ^1da177e4c3f41 Linus Torvalds 2005-04-16 158 if(check_master_abort()) ^1da177e4c3f41 Linus Torvalds 2005-04-16 159 retval = 1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 160 bd31b85960a7fc Thomas Gleixner 2009-07-03 161 raw_spin_unlock_irqrestore(&ixp4xx_pci_lock, flags); ^1da177e4c3f41 Linus Torvalds 2005-04-16 162 return retval; ^1da177e4c3f41 Linus Torvalds 2005-04-16 163 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 164 :::::: The code at line 143 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp