From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753138AbcBKIyL (ORCPT ); Thu, 11 Feb 2016 03:54:11 -0500 Received: from mga09.intel.com ([134.134.136.24]:19220 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751921AbcBKIyI (ORCPT ); Thu, 11 Feb 2016 03:54:08 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,430,1449561600"; d="scan'208";a="46098837" Date: Thu, 11 Feb 2016 14:27:51 +0530 From: Vinod Koul To: Dinh Nguyen Cc: shawn.lin@rockchips.com, Addy Ke , boojin.kim@samsung.com, wxt@rock-chips.com, dmaengine@vger.kernel.org, olof Johansson , "linux-kernel@vger.kernel.org" Subject: Re: commit 271e1b86e691 is breaking DMA uart on SoCFPGA Message-ID: <20160211085748.GW19598@localhost> References: <56BBB201.7060004@opensource.altera.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56BBB201.7060004@opensource.altera.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 10, 2016 at 03:56:17PM -0600, Dinh Nguyen wrote: > Hi Vinod, > > It appears that commit 271e1b86e691 "dmaengine: pl330: add quirk for > broken no flushp" is breaking uart dma on SoCFPGA. This commit is in > linux-next(next-20160210). > > Doing a bisect pointed to commit 271e1b86e691, but I had to also revert > the following commits (86a8ce7d4103 "dmaengine: pl330: add max burst for > dmaengine") and (848e9776fee4 "dmaengine: pl330: support burst mode for > dev-to-mem and mem-to-dev transmit") as well because the build would > fail if I only revert 271e1b86e691. > > The SoCFPGA platform is being tested on Olof's board farm and is failing > multi_v7_defconfig build because the PL330 DMA is enabled in this defconfig. > > After doing reverts of those 3 commits, the socfpga platform is able > boot completely again with multi_v7_defconfig. Okay I am removing this topic from next. Also I can drop the series unless someone sends me a fix in couple of days.. Thanks -- ~Vinod