From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 CFE0053BF; Sun, 19 Nov 2023 09:14:25 +0000 (UTC) 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="Ool2pFgo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700385266; x=1731921266; h=date:from:to:cc:subject:message-id:mime-version; bh=/wJMprHo/hGCSPGEmhrRtWjfvwHBT5y37td5BtCsHGI=; b=Ool2pFgolzm/EeliG3k0JKKKSatNtVL6ehK9IBGO8qGB8lKUAjPHXLiz 3Bmx0L8brlN0SVnU+qfzuG9c8uIm+zFHDQ3r6bgJu5MJfxALZguWLNMBP 9jvqwQ/fvpqz+mqtVy+Lt1Oz1H6gbeBcauzmQVkUm7Yzr5f5/prtmdPRH CV8eR+w3ykAyfINlFDlDprZ/Ers2dqJDR8Ucnj/sQ6DqRbUU/8iXKfXAa f0APk126aPhOfmVlXOMfGSUiQa84aaz8rJO6eSZAyYb086rTXJgGpX96M JjM2WUOFFVBN/kDSpqM6XhNhS2By8Vzm4AkmORaiN9SFWpr1pTMVKqQrG g==; X-IronPort-AV: E=McAfee;i="6600,9927,10898"; a="4644091" X-IronPort-AV: E=Sophos;i="6.04,210,1695711600"; d="scan'208";a="4644091" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2023 01:14:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10898"; a="800864598" X-IronPort-AV: E=Sophos;i="6.04,210,1695711600"; d="scan'208";a="800864598" Received: from lkp-server02.sh.intel.com (HELO b8de5498638e) ([10.239.97.151]) by orsmga001.jf.intel.com with ESMTP; 19 Nov 2023 01:14:22 -0800 Received: from kbuild by b8de5498638e with local (Exim 4.96) (envelope-from ) id 1r4dsi-0004tL-1t; Sun, 19 Nov 2023 09:14:20 +0000 Date: Sun, 19 Nov 2023 17:13:48 +0800 From: kernel test robot To: Bartosz Golaszewski Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Bjorn Andersson , Krzysztof Kozlowski , Maximilian Luz Subject: drivers/firmware/qcom/qcom_scm.c:1652:34: warning: unused variable 'qcom_scm_qseecom_allowlist' Message-ID: <202311191654.S4wlVUrz-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 037266a5f7239ead1530266f7d7af153d2a867fa commit: bdac188ec3c71800dd8419620224ee74ef37732a firmware: qcom: move Qualcomm code into its own directory date: 4 weeks ago config: s390-randconfig-002-20231119 (https://download.01.org/0day-ci/archive/20231119/202311191654.S4wlVUrz-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231119/202311191654.S4wlVUrz-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/202311191654.S4wlVUrz-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/firmware/qcom/qcom_scm.c:10: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/firmware/qcom/qcom_scm.c:10: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/firmware/qcom/qcom_scm.c:10: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/firmware/qcom/qcom_scm.c:1652:34: warning: unused variable 'qcom_scm_qseecom_allowlist' [-Wunused-const-variable] 1652 | static const struct of_device_id qcom_scm_qseecom_allowlist[] = { | ^ 13 warnings generated. vim +/qcom_scm_qseecom_allowlist +1652 drivers/firmware/qcom/qcom_scm.c 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1647 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1648 /* 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1649 * We do not yet support re-entrant calls via the qseecom interface. To prevent 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1650 + any potential issues with this, only allow validated machines for now. 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1651 */ 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 @1652 static const struct of_device_id qcom_scm_qseecom_allowlist[] = { 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1653 { .compatible = "lenovo,thinkpad-x13s", }, 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1654 { } 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1655 }; 00b1248606ba39 drivers/firmware/qcom_scm.c Maximilian Luz 2023-08-27 1656 :::::: The code at line 1652 was first introduced by commit :::::: 00b1248606ba3979ccae30ed11df8cdc1a84245a firmware: qcom_scm: Add support for Qualcomm Secure Execution Environment SCM interface :::::: TO: Maximilian Luz :::::: CC: Bjorn Andersson -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki