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 E95BCC433EF for ; Mon, 18 Apr 2022 15:32:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241323AbiDRPev (ORCPT ); Mon, 18 Apr 2022 11:34:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42086 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242780AbiDRPe2 (ORCPT ); Mon, 18 Apr 2022 11:34:28 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A77143FD87; Mon, 18 Apr 2022 07:49:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650293374; x=1681829374; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=O8jCNttKfcTOfPhW6/iydPjwJI9EDwBsW/ipQu39Hh0=; b=B3Ao3sc6+PxBjMfoK3jUdgpb7fM2h+csTYk87o/RJVwdsKk7xgdCf5cf hGB/eewh7RjIh2MtIihtzkuwcKgUsKSJ9sKfdb0KQhGooTJ7732vkeUoi nURGQFWPguFNJ6shpWU1Xb0G7HacLX3aglOKHQGsQ+D/tJY9mLOEDtrbl vYXfYxGSkKYBT8FQUSzUbMaZAdmJVsRXZQiy/zR5nfm2IfgRCZDyxZrVc IToP47/RfdqEvF5gZrdDbLg9xghCCYSOtRtJW4mnezaBkCgOWSmF0yRhT KxkvdWtf3nvT3ghSp5+M5pXc4LV2U+YkjLpMRvPfn+TpizDthyefWAU6U g==; X-IronPort-AV: E=McAfee;i="6400,9594,10321"; a="245421912" X-IronPort-AV: E=Sophos;i="5.90,270,1643702400"; d="scan'208";a="245421912" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Apr 2022 07:49:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,270,1643702400"; d="scan'208";a="726666030" Received: from lkp-server01.sh.intel.com (HELO 3abc53900bec) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 18 Apr 2022 07:49:31 -0700 Received: from kbuild by 3abc53900bec with local (Exim 4.95) (envelope-from ) id 1ngSh0-0004iB-J8; Mon, 18 Apr 2022 14:49:30 +0000 Date: Mon, 18 Apr 2022 22:49:08 +0800 From: kernel test robot To: Aswath Govindraju Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Vignesh Raghavendra , Kishon Vijay Abraham I , Aswath Govindraju , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Adrian Hunter , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] drivers: mmc: sdhci_am654: Add the quirk to set TESTCD bit Message-ID: <202204182202.yPPV6YZI-lkp@intel.com> References: <20220418102040.4993-3-a-govindraju@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220418102040.4993-3-a-govindraju@ti.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Aswath, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master ulf-hansson-mmc-mirror/next v5.18-rc3 next-20220414] [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/Aswath-Govindraju/MMC-Add-quirk-to-set-the-TESTCD-bit/20220418-182325 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: riscv-randconfig-r016-20220418 (https://download.01.org/0day-ci/archive/20220418/202204182202.yPPV6YZI-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 429cbac0390654f90bba18a41799464adf31a5ec) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/a7d917691f55e240b1ab0abf36b0b39d1194a323 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Aswath-Govindraju/MMC-Add-quirk-to-set-the-TESTCD-bit/20220418-182325 git checkout a7d917691f55e240b1ab0abf36b0b39d1194a323 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/mmc/host/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from drivers/mmc/host/sdhci_am654.c:9: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from drivers/mmc/host/sdhci_am654.c:9: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from drivers/mmc/host/sdhci_am654.c:9: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:1024:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; ~~~~~~~~~~ ^ >> drivers/mmc/host/sdhci_am654.c:375:6: warning: no previous prototype for function 'sdhci_am654_reset' [-Wmissing-prototypes] void sdhci_am654_reset(struct sdhci_host *host, u8 mask) ^ drivers/mmc/host/sdhci_am654.c:375:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void sdhci_am654_reset(struct sdhci_host *host, u8 mask) ^ static 8 warnings generated. vim +/sdhci_am654_reset +375 drivers/mmc/host/sdhci_am654.c 374 > 375 void sdhci_am654_reset(struct sdhci_host *host, u8 mask) 376 { 377 u8 ctrl; 378 struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); 379 struct sdhci_am654_data *sdhci_am654 = sdhci_pltfm_priv(pltfm_host); 380 381 sdhci_reset(host, mask); 382 383 if (sdhci_am654->quirks & SDHCI_AM654_QUIRK_FORCE_CDTEST) { 384 ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); 385 ctrl |= SDHCI_CTRL_CDTEST_INS | SDHCI_CTRL_CDTEST_EN; 386 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); 387 } 388 } 389 -- 0-DAY CI Kernel Test Service https://01.org/lkp