Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756072Ab1BXSmj (ORCPT ); Thu, 24 Feb 2011 13:42:39 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:48462 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754106Ab1BXSmh (ORCPT ); Thu, 24 Feb 2011 13:42:37 -0500 Date: Thu, 24 Feb 2011 10:43:13 -0800 (PST) Message-Id: <20110224.104313.68122155.davem@davemloft.net> To: ratbert.chuang@gmail.com Cc: mirqus@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bhutchings@solarflare.com, eric.dumazet@gmail.com, joe@perches.com, dilinger@queued.net, ratbert@faraday-tech.com Subject: Re: [PATCH v4] net: add Faraday FTMAC100 10/100 Ethernet driver From: David Miller In-Reply-To: References: <20110223.235129.02262510.davem@davemloft.net> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 728 Lines: 17 From: Po-Yu Chuang Date: Thu, 24 Feb 2011 16:07:48 +0800 > On Thu, Feb 24, 2011 at 3:51 PM, David Miller wrote: >> Just emit garbage bytes into the sub-word alignment padding if the chip >> wants to word align it's DMA writes. > > Not sure what do you mean. The problem is that HW does not accept a > base address of RX buffer which is not 8 bytes aligned. I am saying this is what hardware should do if it has such a restriction. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/