Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754417AbYAIHXi (ORCPT ); Wed, 9 Jan 2008 02:23:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752427AbYAIHX2 (ORCPT ); Wed, 9 Jan 2008 02:23:28 -0500 Received: from gateway.drzeus.cx ([85.8.24.16]:47401 "EHLO smtp.drzeus.cx" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751765AbYAIHX1 (ORCPT ); Wed, 9 Jan 2008 02:23:27 -0500 Date: Wed, 9 Jan 2008 08:23:25 +0100 From: Pierre Ossman To: "Cai, Cliff" Cc: "Mike Frysinger" , linux-kernel@vger.kernel.org Subject: Re: [patch] split MMC_CAP_4_BIT_DATA Message-ID: <20080109082325.212ec90d@poseidon.drzeus.cx> In-Reply-To: <0F1B54C89D5F954D8535DB252AF412FA014FAD4A@chinexm1.ad.analog.com> References: <386072610801081832w2befcbafwe9215067f022ed5d@mail.gmail.com> <0F1B54C89D5F954D8535DB252AF412FA014FAD4A@chinexm1.ad.analog.com> X-Mailer: Claws Mail 3.2.0 (GTK+ 2.12.3; i386-redhat-linux-gnu) 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: 1221 Lines: 30 On Wed, 9 Jan 2008 11:21:40 +0800 "Cai, Cliff" wrote: > > Hi,all > > I'd like to say something about this issue. > Currently,the blackfin on chip SD host ONLY support 1-bit MMC while > support 1-bit/4-bit SD/SDIO. > And we want our driver to support both 1-bit MMC and 4-bit SD/SDIO.but > the current MMC driver framework > Only allow us to set one kind of bus width,either 1-bit or 4-bit.So in > order to meet our case,we need more flexible mechanism > To inform the upper commom driver to know our situation. > That's just iterating what's already been said. My claim is that 4-bit is 4-bit, regardless if it's MMC or SD. So if you want this patch to go in you need to explain why there is a difference for the blackfin controller. Rgds -- -- Pierre Ossman Linux kernel, MMC maintainer http://www.kernel.org PulseAudio, core developer http://pulseaudio.org rdesktop, core developer http://www.rdesktop.org -- 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/