From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269181AbUIRKnP (ORCPT ); Sat, 18 Sep 2004 06:43:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269218AbUIRKnP (ORCPT ); Sat, 18 Sep 2004 06:43:15 -0400 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:26384 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S269181AbUIRKnN (ORCPT ); Sat, 18 Sep 2004 06:43:13 -0400 Date: Sat, 18 Sep 2004 11:43:10 +0100 From: Russell King To: Pierre Ossman Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] MMC compatibility fix - OCR mask Message-ID: <20040918114310.A13733@flint.arm.linux.org.uk> Mail-Followup-To: Pierre Ossman , linux-kernel@vger.kernel.org References: <414C0730.3020503@drzeus.cx> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <414C0730.3020503@drzeus.cx>; from drzeus-list@drzeus.cx on Sat, Sep 18, 2004 at 12:00:16PM +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Sep 18, 2004 at 12:00:16PM +0200, Pierre Ossman wrote: > This patch avoids using a emtpy OCR mask for the initial power up. Since > some cards do not like a one bit-mask a routine has been added which > grows the mask to three bits (one extra bit on each side) if necessary. As I already replied on this topic, this will not work on hosts which support a wide range of supplies. If you send an OP_COND command with bits set outside the MMC cards allowable range, they go gaga. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core