From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753414AbYE1Nn4 (ORCPT ); Wed, 28 May 2008 09:43:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751039AbYE1Nnt (ORCPT ); Wed, 28 May 2008 09:43:49 -0400 Received: from server.drzeus.cx ([85.8.24.28]:35882 "EHLO smtp.drzeus.cx" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750909AbYE1Nns (ORCPT ); Wed, 28 May 2008 09:43:48 -0400 Date: Wed, 28 May 2008 15:42:43 +0200 From: Pierre Ossman To: "J. Bruce Fields" Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.24 not recognizing 2G MMC card? Message-ID: <20080528154243.46011abf@mjolnir.drzeus.cx> In-Reply-To: <20080521172104.GC2592@fieldses.org> References: <20080521172104.GC2592@fieldses.org> X-Mailer: Claws Mail 3.4.0 (GTK+ 2.13.0; 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 On Wed, 21 May 2008 13:21:04 -0400 "J. Bruce Fields" wrote: > Please forgive a somewhat naive question--I'm not sure how to go about > debugging this kind of thing: > > I have a Dell 1420n with card readers reported by lspci as: > > 03:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22) > 03:01.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 12) > > I have a 512MB MicroSD card which seems to be recognized fine, but a 2GB > MMC card is not. > Do you have any other MMC cards that work? Ricoh doesn't something silly when it comes to MMC cards that fouls things up. > > Anything I should try? Thanks in advance for any suggestions. > If you have a newer controller, then the ricoh_mmc module won't be able to do its magic. Try the following patch: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=882c49164d72c45f37d7fa1bb3de7c31cf1a5fab Rgds -- -- Pierre Ossman Linux kernel, MMC maintainer http://www.kernel.org rdesktop, core developer http://www.rdesktop.org