From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 71B322882A9; Tue, 24 Jun 2025 12:15:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750767320; cv=none; b=akq3a7+drnbHUKaHQaeXSz//+oSY1yYBu/JsHcILh/9mOJMYweOVx6fXcDTLkv42BWFYTt3uLRCWtU8ByZsLNKvWiLX+Knpf7cmOiFjiAuRUx1kRwZ82dH086phwz8ftyCBRjj4oeyfJIia4g+EbEhNXlNatRjTqBSeSHx/mNy4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750767320; c=relaxed/simple; bh=RS3Ir0XcZ0wtTv3mLgddInGQ7GnUnQCjtJ18Ke5dvSs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EI4UQfCC2Fkr2My/SnFt6oE5k4eJI33rOxCH7qDpoZTEfO7VZFAQ1u1+Qd+QF+nGq8PD+/0QsigacnFYBsLn/iAoN92zPMLbigXALUA6nfxUlvAnZ7XIWvWbI9FvXf4T3THvgRl5itZCp0bJrPTtzHSBZXPd+zeou+LXZZwPbW0= 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=bNEdlFI4; arc=none smtp.client-ip=192.198.163.7 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="bNEdlFI4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750767318; x=1782303318; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=RS3Ir0XcZ0wtTv3mLgddInGQ7GnUnQCjtJ18Ke5dvSs=; b=bNEdlFI43fANoe8ulXaDdFPRH4gM37lQxFNo6tjeXHPqwU/rqHTC3lXi ylK0IMoVf90+m119HgNdZplv4osxeza4LTlM7Xk2fk+pfPR3zjAmlTj8i rxfzBxrpY4cqkP6iSijSsHuISRSHSTGT9YzIF0axvrb1Ui4CARbFBdDfQ ODuVpYe3bz8VOLWjRqpnwcUjY+y1+xOX3T4W1Pt9PM9Hu+aUeWW3O0FyT +6zVNFCwnRCUMw3jk0DRm1FcWeVdhFClIdFVChnENR/gUUXfgW1+/yvbT +uNoR3fNkHBvvN1FQpK8opDi08Jfp2ED/gt+9v9rqBP1PRAqg+khfOJiX w==; X-CSE-ConnectionGUID: 1irAqlk9TiWYqzucKT2t0A== X-CSE-MsgGUID: norpp/qmSxOmsZczG+F9sw== X-IronPort-AV: E=McAfee;i="6800,10657,11474"; a="78423405" X-IronPort-AV: E=Sophos;i="6.16,261,1744095600"; d="scan'208";a="78423405" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2025 05:15:18 -0700 X-CSE-ConnectionGUID: KMhT0jvkQG6oua368CzdYg== X-CSE-MsgGUID: WAduLzKvSmGFelTHd0uYrA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,261,1744095600"; d="scan'208";a="156295716" Received: from lkp-server01.sh.intel.com (HELO e8142ee1dce2) ([10.239.97.150]) by orviesa003.jf.intel.com with ESMTP; 24 Jun 2025 05:15:13 -0700 Received: from kbuild by e8142ee1dce2 with local (Exim 4.96) (envelope-from ) id 1uU2YR-000S5m-0z; Tue, 24 Jun 2025 12:15:11 +0000 Date: Tue, 24 Jun 2025 20:14:32 +0800 From: kernel test robot To: Benjamin Gaignard , joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, nicolas.dufresne@collabora.com, jgg@ziepe.ca Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, kernel@collabora.com, Benjamin Gaignard Subject: Re: [PATCH v4 3/5] iommu: Add verisilicon IOMMU driver Message-ID: <202506242057.NVRNN4W1-lkp@intel.com> References: <20250623153931.158765-4-benjamin.gaignard@collabora.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250623153931.158765-4-benjamin.gaignard@collabora.com> Hi Benjamin, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on rockchip/for-next arm64/for-next/core linus/master v6.16-rc3 next-20250623] [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/Benjamin-Gaignard/dt-bindings-vendor-prefixes-Add-Verisilicon/20250623-234734 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250623153931.158765-4-benjamin.gaignard%40collabora.com patch subject: [PATCH v4 3/5] iommu: Add verisilicon IOMMU driver config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20250624/202506242057.NVRNN4W1-lkp@intel.com/config) compiler: 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/20250624/202506242057.NVRNN4W1-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/202506242057.NVRNN4W1-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iommu/vsi-iommu.c:657:10: warning: variable 'err' is uninitialized when used here [-Wuninitialized] 657 | return err; | ^~~ drivers/iommu/vsi-iommu.c:643:9: note: initialize the variable 'err' to silence this warning 643 | int err; | ^ | = 0 1 warning generated. vim +/err +657 drivers/iommu/vsi-iommu.c 638 639 static int vsi_iommu_probe(struct platform_device *pdev) 640 { 641 struct device *dev = &pdev->dev; 642 struct vsi_iommu *iommu; 643 int err; 644 645 iommu = devm_kzalloc(dev, sizeof(*iommu), GFP_KERNEL); 646 if (!iommu) 647 return -ENOMEM; 648 649 iommu->dev = dev; 650 651 iommu->regs = devm_platform_ioremap_resource(pdev, 0); 652 if (IS_ERR(iommu->regs)) 653 return -ENOMEM; 654 655 iommu->num_clocks = devm_clk_bulk_get_all(dev, &iommu->clocks); 656 if (iommu->num_clocks < 0) > 657 return err; 658 659 err = clk_bulk_prepare(iommu->num_clocks, iommu->clocks); 660 if (err) 661 return err; 662 663 iommu->irq = platform_get_irq(pdev, 0); 664 if (iommu->irq < 0) 665 return iommu->irq; 666 667 err = devm_request_irq(iommu->dev, iommu->irq, vsi_iommu_irq, 668 IRQF_SHARED, dev_name(dev), iommu); 669 if (err) 670 goto err_unprepare_clocks; 671 672 spin_lock_init(&iommu->lock); 673 dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); 674 platform_set_drvdata(pdev, iommu); 675 676 pm_runtime_set_autosuspend_delay(dev, 100); 677 pm_runtime_use_autosuspend(dev); 678 pm_runtime_enable(dev); 679 680 err = iommu_device_sysfs_add(&iommu->iommu, dev, NULL, dev_name(dev)); 681 if (err) 682 goto err_runtime_disable; 683 684 err = iommu_device_register(&iommu->iommu, &vsi_iommu_ops, dev); 685 if (err) 686 goto err_remove_sysfs; 687 688 return 0; 689 690 err_remove_sysfs: 691 iommu_device_sysfs_remove(&iommu->iommu); 692 err_runtime_disable: 693 pm_runtime_disable(dev); 694 err_unprepare_clocks: 695 clk_bulk_unprepare(iommu->num_clocks, iommu->clocks); 696 return err; 697 } 698 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki