From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 C676F3C09E7 for ; Wed, 2 Sep 2026 19:49:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788378550; cv=none; b=Dhz6fOUIJGeUbr1yImZDQtd4n92nQggwNzLLvv/SoMDTxZy+5H9jDfcGKDaST5h6+Li2NUzq8BfWOUgN3/CXHRJ0CwnX+2vJYsvcp5KmdwFvEQjFbTDf8kETm2Fh+ZFlObtXGpxthav9Aezw3x9Bp14mHoL5rF3XIWay7OWrt/g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788378550; c=relaxed/simple; bh=PqONomyjOqjqkvONvcbxns6QfCa4tWnfoco/vQp0RX8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QLwNp5aw2jb3wSL+HR79T2taEJ0GkrgD4+HanEd3JsAU674m6gCYFUQWaSD8ilyiUKSNoNYZ8ApzmyaSlgfIJkqiqcWI9XcnfY1PTYTeN3d+C1bnfqxQ+AZIHuYdPF+4wQ/IzMKzCRlcmt5FFfgjPa9U6RzUCqAGyZbBn3x4sXQ= 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=gnf2GBqE; arc=none smtp.client-ip=198.175.65.9 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="gnf2GBqE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788378544; x=1819914544; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=PqONomyjOqjqkvONvcbxns6QfCa4tWnfoco/vQp0RX8=; b=gnf2GBqEw+rBVs6OfAlFcBzKEhljR0akqZouVfjY4b18AF4x8tJtTCCd qAgRhjXiGibAzfd2bl9h8EyaAa9IivBdIbznMt1Hq4LlrM/An8X7C1JTc ZnlqBu5Byw6efzCb8Uy0nR7vs2UXKuqNj52iU/x+GGHu8HD7O2UKVOlfw qpsxeV/4NrSqEIw7SYUeUBrSc+dS81pzWuz227U9+iPP43rEMfzKKuBE6 PgNYf//M/3z9oA6C3+5FWb03L2GumWZxnSQcXwx6P7RBVpN7y2sJeWuUx EcisuCoCQ/gCIC7I0eLgOv0E0jrqVk3/jBt1irq0RiRuChQnEXKl0bvuu w==; X-CSE-ConnectionGUID: NLFzAKPeTmm0orhYDTwT4g== X-CSE-MsgGUID: H2Cu5WrrTDmD3maeTJJgbQ== X-IronPort-AV: E=McAfee;i="6800,10657,11894"; a="111623245" X-IronPort-AV: E=Sophos;i="6.25,258,1779174000"; d="scan'208";a="111623245" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2026 12:48:56 -0700 X-CSE-ConnectionGUID: ybu/weRnTVqAQJqu94/Pbw== X-CSE-MsgGUID: qazrVWkARIOUkQCDIRrzpQ== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO bfac249b2189) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 02 Sep 2026 12:48:54 -0700 Received: from kbuild by bfac249b2189 with local (Exim 4.98.2) (envelope-from ) id 1x1qx0-000000003GI-2haC; Wed, 02 Sep 2026 19:48:50 +0000 Date: Thu, 3 Sep 2026 03:48:02 +0800 From: kernel test robot To: Li Youhong , Eugeniy.Paltsev@synopsys.com, vkoul@kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Frank.Li@kernel.org, dmaengine@vger.kernel.org, Li Youhong , Frank Li Subject: Re: [PATCH v3] dmaengine: dw-axi-dmac: convert to clk bulk APIs Message-ID: <202609030325.ALAaghFW-lkp@intel.com> References: <20260902013016.3381788-1-dayou5941@163.com> Precedence: bulk X-Mailing-List: dmaengine@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: <20260902013016.3381788-1-dayou5941@163.com> Hi Li, kernel test robot noticed the following build warnings: [auto build test WARNING on vkoul-dmaengine/next] [also build test WARNING on linus/master v7.3-rc1 next-20260902] [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/Li-Youhong/dmaengine-dw-axi-dmac-convert-to-clk-bulk-APIs/20260902-093016 base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next patch link: https://lore.kernel.org/r/20260902013016.3381788-1-dayou5941%40163.com patch subject: [PATCH v3] dmaengine: dw-axi-dmac: convert to clk bulk APIs config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20260903/202609030325.ALAaghFW-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project ed1626b9d0eaf7c406f44da5fb595ad94559f54b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260903/202609030325.ALAaghFW-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/202609030325.ALAaghFW-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c:1638:2: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result] 1638 | clk_bulk_prepare_enable(DW_AXI_DMA_MAX_CLKS, chip->clks); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +/warn_unused_result +1638 drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c 1629 1630 static void dw_remove(struct platform_device *pdev) 1631 { 1632 struct axi_dma_chip *chip = platform_get_drvdata(pdev); 1633 struct dw_axi_dma *dw = chip->dw; 1634 struct axi_dma_chan *chan, *_chan; 1635 u32 i; 1636 1637 /* Enable clk before accessing to registers */ > 1638 clk_bulk_prepare_enable(DW_AXI_DMA_MAX_CLKS, chip->clks); 1639 axi_dma_irq_disable(chip); 1640 for (i = 0; i < dw->hdata->nr_channels; i++) { 1641 axi_chan_disable(&chip->dw->chan[i]); 1642 axi_chan_irq_disable(&chip->dw->chan[i], DWAXIDMAC_IRQ_ALL); 1643 } 1644 axi_dma_disable(chip); 1645 1646 pm_runtime_disable(chip->dev); 1647 axi_dma_suspend(chip); 1648 1649 for (i = 0; i < DMAC_MAX_CHANNELS; i++) 1650 if (chip->irq[i] > 0) 1651 devm_free_irq(chip->dev, chip->irq[i], chip); 1652 1653 of_dma_controller_free(chip->dev->of_node); 1654 1655 list_for_each_entry_safe(chan, _chan, &dw->dma.channels, 1656 vc.chan.device_node) { 1657 list_del(&chan->vc.chan.device_node); 1658 tasklet_kill(&chan->vc.task); 1659 } 1660 } 1661 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki