Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932258Ab0FCRr4 (ORCPT ); Thu, 3 Jun 2010 13:47:56 -0400 Received: from void.printf.net ([89.145.121.20]:45558 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932180Ab0FCRrz convert rfc822-to-8bit (ORCPT ); Thu, 3 Jun 2010 13:47:55 -0400 X-Greylist: delayed 1703 seconds by postgrey-1.27 at vger.kernel.org; Thu, 03 Jun 2010 13:47:55 EDT From: Chris Ball To: Adrian Hunter Cc: =?utf-8?Q?Micha=C5=82_Miros=C5=82aw?= , Andrew Morton , "linux-mmc\@vger.kernel.org" , "linux-kernel\@vger.kernel.org" Subject: Re: [RFC] [PATCH 1/2] mmc: split mmc_sd_init_card() References: <1-1000-12432-1274803827-7569@rere.qmqm.pl> <20100528144027.3c868841.akpm@linux-foundation.org> <20100531155846.GA9493@rere.qmqm.pl> <4C0774A8.2030704@nokia.com> Date: Thu, 03 Jun 2010 13:21:23 -0400 In-Reply-To: <4C0774A8.2030704@nokia.com> (Adrian Hunter's message of "Thu, 03 Jun 2010 12:23:52 +0300") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 943 Lines: 26 Hi, > That is a bit vague. An SD card is a memory. An SDIO "card" is > an I/O connection made using the same physical interface as an SD > card and a very similar protocal to SD cards (at least with > respect to reading and writing). I do not understand how a card > can be SD and SDIO. Are you sure you are not talking about a > controller that supports SD and SDIO? A lot of controllers do > that. Adrian, I presume we're talking about something like: http://www.arasan.com/products/sd/SD-Combo-Flyer.pdf Michał, could you let us know which SD-combo device(s) in particular you've been working with? - Chris. -- Chris Ball One Laptop Per Child -- 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/