From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) (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 82B1F847C; Fri, 7 Apr 2023 17:51:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680889861; x=1712425861; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Wvdh74Ze/lO9z8MlCW8OYB17q39BBQMGmPBzQpjSwF4=; b=IulllKJVlSXEbTLG8Qf3r/R/oLYaH/9zdZiyzR8tHDDyIEw3RmYWOZ44 VckOTI2kJjzZSHZknskxser6PDgLp+7U2nx9xR/TQD9OwJmV5AgdwXLop HXlxfk3EE5QUiZ2u3q1qgi0wgN41KQ4+0drkGtBlwX2dlkkXD52Y+01Wr +SBbi2FT/4Yb3jHyPlTRVKqiIV3Hlel527wcLRNBeXnUtyQZiIYWgSFZ/ JLR2LbiVfiaus4YHd7L3FinMrLW2HWdR1lldlhlsI7fDfB4AXhkSqblPs fBNPYHb2QUteoNwYgHUmr/onFV/YcGog2/g00b9MjUFySJ7haQXTmlzc8 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10673"; a="405859431" X-IronPort-AV: E=Sophos;i="5.98,327,1673942400"; d="scan'208";a="405859431" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Apr 2023 10:50:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10673"; a="717911679" X-IronPort-AV: E=Sophos;i="5.98,327,1673942400"; d="scan'208";a="717911679" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by orsmga008.jf.intel.com with ESMTP; 07 Apr 2023 10:50:57 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pkqEj-000Skb-08; Fri, 07 Apr 2023 17:50:57 +0000 Date: Sat, 8 Apr 2023 01:50:21 +0800 From: kernel test robot To: Krzysztof Kozlowski Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH 1/4] rtc: ab-eoz9: constify pointers to hwmon_channel_info Message-ID: <202304080110.v5LLFwT4-lkp@intel.com> References: <20230407150306.80141-1-krzysztof.kozlowski@linaro.org> 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 In-Reply-To: <20230407150306.80141-1-krzysztof.kozlowski@linaro.org> Hi Krzysztof, kernel test robot noticed the following build errors: [auto build test ERROR on abelloni/rtc-next] [also build test ERROR on linus/master v6.3-rc5 next-20230406] [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/Krzysztof-Kozlowski/rtc-ds3232-constify-pointers-to-hwmon_channel_info/20230407-231346 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next patch link: https://lore.kernel.org/r/20230407150306.80141-1-krzysztof.kozlowski%40linaro.org patch subject: [PATCH 1/4] rtc: ab-eoz9: constify pointers to hwmon_channel_info config: hexagon-buildonly-randconfig-r001-20230403 (https://download.01.org/0day-ci/archive/20230408/202304080110.v5LLFwT4-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 2c57868e2e877f73c339796c3374ae660bb77f0d) 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://github.com/intel-lab-lkp/linux/commit/2b39e4ff9f9bbc04c31fa2819e09754ca5001669 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Krzysztof-Kozlowski/rtc-ds3232-constify-pointers-to-hwmon_channel_info/20230407-231346 git checkout 2b39e4ff9f9bbc04c31fa2819e09754ca5001669 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/rtc/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304080110.v5LLFwT4-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/rtc/rtc-ab-eoz9.c:9: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: 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:560:61: 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/rtc/rtc-ab-eoz9.c:9: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: 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/rtc/rtc-ab-eoz9.c:9: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: 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:594:59: 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:604:59: 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); ~~~~~~~~~~ ^ >> drivers/rtc/rtc-ab-eoz9.c:471:10: error: initializing 'const struct hwmon_channel_info **' with an expression of type 'const struct hwmon_channel_info *const[3]' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] .info = abeoz9_info, ^~~~~~~~~~~ 6 warnings and 1 error generated. vim +471 drivers/rtc/rtc-ab-eoz9.c 67075b63cce26c Artem Panfilov 2019-02-17 468 67075b63cce26c Artem Panfilov 2019-02-17 469 static const struct hwmon_chip_info abeoz9_chip_info = { 67075b63cce26c Artem Panfilov 2019-02-17 470 .ops = &abeoz9_hwmon_ops, 67075b63cce26c Artem Panfilov 2019-02-17 @471 .info = abeoz9_info, 67075b63cce26c Artem Panfilov 2019-02-17 472 }; 67075b63cce26c Artem Panfilov 2019-02-17 473 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests