From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] net: eth: altera: Resolve false errors from MSGDMA to TSE Date: Sat, 25 Apr 2015 14:44:00 -0400 (EDT) Message-ID: <20150425.144400.1784698109604961465.davem@davemloft.net> References: <1429860727-1359-1-git-send-email-vbridger@opensource.altera.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, nios2-dev@lists.rocketboards.org, linux-kernel@vger.kernel.org, vbridger@altera.com, cnphoon@altera.com, ennoerlangen@gmail.com To: vbridger@opensource.altera.com Return-path: In-Reply-To: <1429860727-1359-1-git-send-email-vbridger@opensource.altera.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Vince Bridgers Date: Fri, 24 Apr 2015 02:32:07 -0500 > From: Chee Nouk Phoon > > This patch resolves false errors from MSGDMA in TX mSGDMA MM to ST > mode, and is a continuation of the patch recently submitted by Andrea > Oetken. The MSGDMA had a logic bug that masked detection of this issue > prior to Quartus 14.1/Build 164. When the MSGDMA logic bug was addressed > in Quartus 14.1/Build 164, the driver problem was exposed. > > The problem is corrected by making sure MSGDMA_DESC_CTL_TR_ERR_IRQ is not > set for any of the transmit DMA descriptors, and only used for receive > descriptors. > > Fixes: 71cd26e altera tse: Error-Bit on tx-avalon-stream always set. > > Signed-off-by: Chee Nouk Phoon > Signed-off-by: Vince Bridgers a > Cc: Andreas Oetken Applied.