From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: [RFC] [PATCH 1/2] mmc: split mmc_sd_init_card() Date: Thu, 03 Jun 2010 13:21:23 -0400 Message-ID: References: <1-1000-12432-1274803827-7569@rere.qmqm.pl> <20100528144027.3c868841.akpm@linux-foundation.org> <20100531155846.GA9493@rere.qmqm.pl> <4C0774A8.2030704@nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from void.printf.net ([89.145.121.20]:43960 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753289Ab0FCRUZ convert rfc822-to-8bit (ORCPT ); Thu, 3 Jun 2010 13:20:25 -0400 In-Reply-To: <4C0774A8.2030704@nokia.com> (Adrian Hunter's message of "Thu, 03 Jun 2010 12:23:52 +0300") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org 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" 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 Micha=C5=82, could you let us know which SD-combo device(s) in particul= ar you've been working with? - Chris. --=20 Chris Ball One Laptop Per Child