From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 0F9F54500E; Sat, 1 Jun 2024 23:45:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717285546; cv=none; b=ODHUpojTL8c+kqh+xTxRUl0pRD5I/Ldbf8mJJqm6zurV3dqWb1Q2E3R6eVKkC2ytnCG85kLWCZVPnIutP2dKOkEox4puWG0JKw3URBkPF71TepUjJsjIFmWYuHEGOWvjYPUboNsiDDq35X86/AZlRgMiQKP/f+naDA5F6lDkL8I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717285546; c=relaxed/simple; bh=LeE/DKM7nORnodW5HlSYlXnlRdu0lEUmbIUh0ZGAa/4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=o3/6YkU9ZyjmUbrp7QNJkf7uWMJKkUGFr20JFFJEfX1SQ5gCUZz/HmuH40QZafUtwyOULsY9rUs0yJknLgUfwJ/y5RZ0BQExNHL/6ZTYBJL8HbaQCM/idaEWXKhi8ru4JXjyrAOXMwwOQsrurj3a1CHSDj9+Kv/5Hy49lMMdk0o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=NnoVYImF; arc=none smtp.client-ip=192.198.163.11 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="NnoVYImF" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717285545; x=1748821545; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=LeE/DKM7nORnodW5HlSYlXnlRdu0lEUmbIUh0ZGAa/4=; b=NnoVYImF1fcEGvIln77Ji2ErlKIX8eSc3M5i84IuVVWxNCLiDhoksVtR uXcDOaVxrDVutzFZ5czEonetT95sPbas5AvrpDgs8+VDQbS/2YNMcvY6O 5cqfB9ZZfKUctnXFXN5UFavJxjQfAR0IwUwEMUnC5jyrG+GmQM3+E/W29 9lMIZ2fQHiWnFRfuj7zVrgWnpnWEqKE8RggwN8uG66DaBoCNReF1lFDqv 00QOC8LDKvw/AfdkjQ56/JgYZOPUwTVJHJwFpznVrkH8aFT+VEWXmHH9O P0oySlRlAFNpNCa9zAdZZZlXpQxvbT15nREqHDZX0NMbHcXoIuKOD9f5y Q==; X-CSE-ConnectionGUID: rpnF5TKXQBKtapmQvjuSAw== X-CSE-MsgGUID: ZilmgN6OSoWZksDhG05OdQ== X-IronPort-AV: E=McAfee;i="6600,9927,11090"; a="24437079" X-IronPort-AV: E=Sophos;i="6.08,208,1712646000"; d="scan'208";a="24437079" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jun 2024 16:45:45 -0700 X-CSE-ConnectionGUID: U1fTR9JtQyCFDollWQF+8g== X-CSE-MsgGUID: ScpkeA/OQF2ZCgyOGdFmFg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,208,1712646000"; d="scan'208";a="36524187" Received: from unknown (HELO 0610945e7d16) ([10.239.97.151]) by fmviesa006.fm.intel.com with ESMTP; 01 Jun 2024 16:45:42 -0700 Received: from kbuild by 0610945e7d16 with local (Exim 4.96) (envelope-from ) id 1sDYPq-000JV2-0x; Sat, 01 Jun 2024 23:45:38 +0000 Date: Sun, 2 Jun 2024 07:45:20 +0800 From: kernel test robot To: Gerhard Engleder , linux-i2c@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, andi.shyti@kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org, Gerhard Engleder Subject: Re: [PATCH 1/2] i2c: keba: Add KEBA I2C controller support Message-ID: <202406020713.qwylbUoh-lkp@intel.com> References: <20240601192846.68146-2-gerhard@engleder-embedded.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 In-Reply-To: <20240601192846.68146-2-gerhard@engleder-embedded.com> Hi Gerhard, kernel test robot noticed the following build warnings: [auto build test WARNING on andi-shyti/i2c/i2c-host] [also build test WARNING on char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus soc/for-next linus/master v6.10-rc1 next-20240531] [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/Gerhard-Engleder/i2c-keba-Add-KEBA-I2C-controller-support/20240602-040548 base: git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git i2c/i2c-host patch link: https://lore.kernel.org/r/20240601192846.68146-2-gerhard%40engleder-embedded.com patch subject: [PATCH 1/2] i2c: keba: Add KEBA I2C controller support config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240602/202406020713.qwylbUoh-lkp@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project bafda89a0944d947fc4b3b5663185e07a397ac30) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240602/202406020713.qwylbUoh-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/202406020713.qwylbUoh-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/i2c/busses/i2c-keba.c:11: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | 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' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/i2c/busses/i2c-keba.c:11: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | 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' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/i2c/busses/i2c-keba.c:11: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ In file included from drivers/i2c/busses/i2c-keba.c:13: In file included from include/linux/i2c.h:19: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:21: In file included from include/linux/mm.h:2253: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/i2c/busses/i2c-keba.c:568:34: warning: unused variable 'ki2c_devtype' [-Wunused-variable] 568 | static struct platform_device_id ki2c_devtype[] = { | ^~~~~~~~~~~~ 8 warnings generated. vim +/ki2c_devtype +568 drivers/i2c/busses/i2c-keba.c 567 > 568 static struct platform_device_id ki2c_devtype[] = { 569 { .name = KI2C }, 570 { } 571 }; 572 MODULE_DEVICE_TABLE(platform, ki2c_devtype); 573 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki