From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 E0CAB20AF8D; Thu, 6 Mar 2025 11:33:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741260826; cv=none; b=jSW6+ynrdKVrrsnGRZ18ljbDIfKc0iLHcNCG8blhc8+xpojY8GDeL+G9ZeaSW/a2wqHK1/4LS+LwcP8kqqc+zB5qZUP68x1uWFF8kVu0etL4LVbEtkePADMpNi6VJwd+H6ylouq9Gpofl3AVdtYxjWvyIIYWgDtSxBlY+rK8ZKo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741260826; c=relaxed/simple; bh=0RkHv2NVUIjDTMRzp3ZLW9jex5M/ZIevpBWyXbznxKs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aGRJ1GU4rAF4mQJmttI+Cg48bliRPkp/Wu7ZkK9/4F5UIQ3q30MF1feKPPVlYMxQRSpo5Swy7w8HD4HAA/NAW+YwSt6drqFbNDCrFJukPNIxJDFiU8UmKhjlUzFJ909Zp+za7ScEqFgG0FeILPtmaGe0Ha+7h4u1fy0NESsEn1o= 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=JAHtQOn6; arc=none smtp.client-ip=198.175.65.10 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="JAHtQOn6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741260825; x=1772796825; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=0RkHv2NVUIjDTMRzp3ZLW9jex5M/ZIevpBWyXbznxKs=; b=JAHtQOn6hDyOcaqX4dzp6SJ/JhHAsyveLdX9qhvXD4IHzL26STVhpDVF QIa0jz4SO0tkocladzGvuYw/VB2A0/2iejZKcjWZXFvaiYepCN72SBc6F aVGyYr2GD1KIGYxvrZhB32Ci6BkR/dGu1bPJbtYTqOHaEspeGi5AW3eL+ mQbKJzkvBgTENsvFO/NHaWSp6a5d9wT6bphU+Zu7oA00Ig+w0ren01B3Z HXcEHysUjMbrunCyT/H62eBgLwDESg8YVIqTV1uWQHeXjhr9XAD7OgPQl LSZNLOYBwkaybX6q6mUL8cSBq1RVa8B3oLXM8g9WiBPk/Iyw4KklPBnNA Q==; X-CSE-ConnectionGUID: CyYVksOmT3WTqjuhTJFreA== X-CSE-MsgGUID: dwDFRNYVQbuocXGhbyzfGg== X-IronPort-AV: E=McAfee;i="6700,10204,11363"; a="59673239" X-IronPort-AV: E=Sophos;i="6.14,226,1736841600"; d="scan'208";a="59673239" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2025 03:33:45 -0800 X-CSE-ConnectionGUID: iKI6AAlYRAmEUJI/bGQSYA== X-CSE-MsgGUID: wyJvtgh2SWSibKMKNc9NZg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,226,1736841600"; d="scan'208";a="124093820" Received: from lkp-server02.sh.intel.com (HELO 76cde6cc1f07) ([10.239.97.151]) by fmviesa004.fm.intel.com with ESMTP; 06 Mar 2025 03:33:42 -0800 Received: from kbuild by 76cde6cc1f07 with local (Exim 4.96) (envelope-from ) id 1tq9Tw-000Mz8-1P; Thu, 06 Mar 2025 11:33:40 +0000 Date: Thu, 6 Mar 2025 19:33:28 +0800 From: kernel test robot To: Robin Murphy , vkoul@kernel.org Cc: oe-kbuild-all@lists.linux.dev, devicetree@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/2] dmaengine: Add Arm DMA-350 driver Message-ID: <202503061910.eJW7M2H3-lkp@intel.com> References: <55e084dd2b5720bdddf503ffac560d111032aa96.1740762136.git.robin.murphy@arm.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: <55e084dd2b5720bdddf503ffac560d111032aa96.1740762136.git.robin.murphy@arm.com> Hi Robin, kernel test robot noticed the following build warnings: [auto build test WARNING on vkoul-dmaengine/next] [also build test WARNING on linus/master v6.14-rc5 next-20250305] [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/Robin-Murphy/dt-bindings-dma-Add-Arm-DMA-350/20250301-012733 base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next patch link: https://lore.kernel.org/r/55e084dd2b5720bdddf503ffac560d111032aa96.1740762136.git.robin.murphy%40arm.com patch subject: [PATCH 2/2] dmaengine: Add Arm DMA-350 driver config: nios2-randconfig-r111-20250306 (https://download.01.org/0day-ci/archive/20250306/202503061910.eJW7M2H3-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250306/202503061910.eJW7M2H3-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/202503061910.eJW7M2H3-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/dma/arm-dma350.c:485:31: sparse: sparse: dubious: !x & y drivers/dma/arm-dma350.c: note: in included file (through include/linux/smp.h, include/linux/lockdep.h, include/linux/spinlock.h, ...): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true vim +485 drivers/dma/arm-dma350.c 462 463 static irqreturn_t d350_irq(int irq, void *data) 464 { 465 struct d350_chan *dch = data; 466 struct device *dev = dch->vc.chan.device->dev; 467 struct virt_dma_desc *vd = &dch->desc->vd; 468 u32 ch_status; 469 470 ch_status = readl(dch->base + CH_STATUS); 471 if (!ch_status) 472 return IRQ_NONE; 473 474 if (ch_status & CH_STAT_INTR_ERR) { 475 u32 errinfo = readl_relaxed(dch->base + CH_ERRINFO); 476 477 if (errinfo & (CH_ERRINFO_AXIRDPOISERR | CH_ERRINFO_AXIRDRESPERR)) 478 vd->tx_result.result = DMA_TRANS_READ_FAILED; 479 else if (errinfo & CH_ERRINFO_AXIWRRESPERR) 480 vd->tx_result.result = DMA_TRANS_WRITE_FAILED; 481 else 482 vd->tx_result.result = DMA_TRANS_ABORTED; 483 484 vd->tx_result.residue = d350_get_residue(dch); > 485 } else if (!ch_status & CH_STAT_INTR_DONE) { 486 dev_warn(dev, "Unexpected IRQ source? 0x%08x\n", ch_status); 487 } 488 writel_relaxed(ch_status, dch->base + CH_STATUS); 489 490 spin_lock(&dch->vc.lock); 491 vchan_cookie_complete(vd); 492 if (ch_status & CH_STAT_INTR_DONE) { 493 dch->status = DMA_COMPLETE; 494 dch->residue = 0; 495 d350_start_next(dch); 496 } else { 497 dch->status = DMA_ERROR; 498 dch->residue = vd->tx_result.residue; 499 } 500 spin_unlock(&dch->vc.lock); 501 502 return IRQ_HANDLED; 503 } 504 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki