Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755186AbXKXT2K (ORCPT ); Sat, 24 Nov 2007 14:28:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753149AbXKXT14 (ORCPT ); Sat, 24 Nov 2007 14:27:56 -0500 Received: from nat-132.atmel.no ([80.232.32.132]:59366 "EHLO relay.atmel.no" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753036AbXKXT14 (ORCPT ); Sat, 24 Nov 2007 14:27:56 -0500 Date: Sat, 24 Nov 2007 20:24:59 +0100 From: Haavard Skinnemoen To: David Brownell Cc: Pierre Ossman , linux-kernel@vger.kernel.org, Shannon Nelson , Dan Williams , kernel@avr32linux.org, linux-arm-kernel@lists.arm.linux.org.uk Subject: Re: [RFC 4/4] Atmel MCI: Driver for Atmel on-chip MMC controllers Message-ID: <20071124202459.4780da17@siona> In-Reply-To: <200711241048.39990.david-b@pacbell.net> References: <1195820413-2179-1-git-send-email-hskinnemoen@atmel.com> <20071124180023.20c831b8@poseidon.drzeus.cx> <20071124191648.2c2d56c7@siona> <200711241048.39990.david-b@pacbell.net> Organization: Atmel X-Mailer: Claws Mail 2.10.0 (GTK+ 2.12.0; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1060 Lines: 26 On Sat, 24 Nov 2007 10:48:39 -0800 David Brownell wrote: > On Saturday 24 November 2007, Haavard Skinnemoen wrote: > > > > > > Why is this needed and is it perhaps something that can be moved > > > to the MMC core? > > > > We used to have lots of problems with overruns and underruns and > > those parameters were useful to limit the transfer rate. Now that > > the RDPROOF and WRPROOF bits seem to have taken care of these > > problems for good, I guess we can remove this parameter. > > Not all silicon *has* those bits though, right? Like at91rm9200. Right. The at91rm9200 doesn't have them, and I believe one of the at91sam926x chips (at91sam9261?) doesn't have them. So if we're going to merge this driver with at91_mci, I suppose it makes sense to keep this parameter. Haavard - 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/