From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 329EA58125 for ; Thu, 11 Jan 2024 21:20:58 +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="crIQjWq3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1705008059; x=1736544059; h=date:from:to:cc:subject:message-id:mime-version; bh=8h5DFjlxATjdb8q4sJ0FkG/DSlJ4OkJJ5yUhgXAKbmI=; b=crIQjWq3K1QJTaSS3A/g5Oa0b0kL/qDQ2Ejk2ya8KEImoh0H1B3K5TrA dYNdB9baVczy69oxOKS9lklSH7a3ysVNgyDWZsvV47p59cSTPF56Dof9a 1uhJPQzjAOp7iA2oYmiUHiZpday+TXf8L+zfYLZvg1vms7LTHEw3lTooa eqjPidy2yzZOwKWgXCn+7vUeUtyTJj+V1Cm7wQkUYdXo+bWxIsKJNJ8gh Am7wDk47q9CdTAT2PF83ujzZlrDpYG2f4WlSgrLH4O++WQ4yDZmbPFNYg E2qeRn+aYkaUmpske4e0foBJFxNyxdf8DRby5EOCrXI7XDg4v9r5Fda4f A==; X-IronPort-AV: E=McAfee;i="6600,9927,10950"; a="6354590" X-IronPort-AV: E=Sophos;i="6.04,187,1695711600"; d="scan'208";a="6354590" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jan 2024 13:20:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10950"; a="873156989" X-IronPort-AV: E=Sophos;i="6.04,187,1695711600"; d="scan'208";a="873156989" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by FMSMGA003.fm.intel.com with ESMTP; 11 Jan 2024 13:20:57 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rO2Tv-0008kk-1U; Thu, 11 Jan 2024 21:20:55 +0000 Date: Fri, 12 Jan 2024 05:20:35 +0800 From: kernel test robot To: Mark Brown Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: drivers/base/regmap/regmap-kunit.c:795:43: sparse: sparse: cast to restricted __le16 Message-ID: <202401120557.tDMmzgkZ-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org 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: de927f6c0b07d9e698416c5b287c521b07694cac commit: 155a6bd6375b584c8bdbf963b8ddef672ff9aca3 regmap: Provide basic KUnit coverage for the raw register I/O date: 7 months ago config: x86_64-randconfig-123-20240106 (https://download.01.org/0day-ci/archive/20240112/202401120557.tDMmzgkZ-lkp@intel.com/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240112/202401120557.tDMmzgkZ-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/202401120557.tDMmzgkZ-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/base/regmap/regmap-kunit.c:795:43: sparse: sparse: cast to restricted __le16 >> drivers/base/regmap/regmap-kunit.c:798:43: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:875:25: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:875:25: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:877:25: sparse: sparse: cast to restricted __le16 drivers/base/regmap/regmap-kunit.c:877:25: sparse: sparse: cast to restricted __le16 drivers/base/regmap/regmap-kunit.c:944:33: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:944:33: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:947:33: sparse: sparse: cast to restricted __le16 drivers/base/regmap/regmap-kunit.c:947:33: sparse: sparse: cast to restricted __le16 drivers/base/regmap/regmap-kunit.c:989:17: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:989:17: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:992:17: sparse: sparse: cast to restricted __le16 drivers/base/regmap/regmap-kunit.c:992:17: sparse: sparse: cast to restricted __le16 drivers/base/regmap/regmap-kunit.c:1004:33: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:1004:33: sparse: sparse: cast to restricted __be16 drivers/base/regmap/regmap-kunit.c:1007:33: sparse: sparse: cast to restricted __le16 drivers/base/regmap/regmap-kunit.c:1007:33: sparse: sparse: cast to restricted __le16 vim +795 drivers/base/regmap/regmap-kunit.c 758 759 static struct regmap *gen_raw_regmap(struct regmap_config *config, 760 struct raw_test_types *test_type, 761 struct regmap_ram_data **data) 762 { 763 u16 *buf; 764 struct regmap *ret; 765 size_t size = (config->max_register + 1) * config->reg_bits / 8; 766 int i; 767 struct reg_default *defaults; 768 769 config->cache_type = test_type->cache_type; 770 config->val_format_endian = test_type->val_endian; 771 772 buf = kmalloc(size, GFP_KERNEL); 773 if (!buf) 774 return ERR_PTR(-ENOMEM); 775 776 get_random_bytes(buf, size); 777 778 *data = kzalloc(sizeof(**data), GFP_KERNEL); 779 if (!(*data)) 780 return ERR_PTR(-ENOMEM); 781 (*data)->vals = (void *)buf; 782 783 config->num_reg_defaults = config->max_register + 1; 784 defaults = kcalloc(config->num_reg_defaults, 785 sizeof(struct reg_default), 786 GFP_KERNEL); 787 if (!defaults) 788 return ERR_PTR(-ENOMEM); 789 config->reg_defaults = defaults; 790 791 for (i = 0; i < config->num_reg_defaults; i++) { 792 defaults[i].reg = i; 793 switch (test_type->val_endian) { 794 case REGMAP_ENDIAN_LITTLE: > 795 defaults[i].def = le16_to_cpu(buf[i]); 796 break; 797 case REGMAP_ENDIAN_BIG: > 798 defaults[i].def = be16_to_cpu(buf[i]); 799 break; 800 default: 801 return ERR_PTR(-EINVAL); 802 } 803 } 804 805 /* 806 * We use the defaults in the tests but they don't make sense 807 * to the core if there's no cache. 808 */ 809 if (config->cache_type == REGCACHE_NONE) 810 config->num_reg_defaults = 0; 811 812 ret = regmap_init_raw_ram(config, *data); 813 if (IS_ERR(ret)) { 814 kfree(buf); 815 kfree(*data); 816 } 817 818 return ret; 819 } 820 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki