Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934788AbXHGNn6 (ORCPT ); Tue, 7 Aug 2007 09:43:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933423AbXHGNnq (ORCPT ); Tue, 7 Aug 2007 09:43:46 -0400 Received: from 85.8.24.16.se.wasadata.net ([85.8.24.16]:44927 "EHLO smtp.drzeus.cx" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933485AbXHGNno (ORCPT ); Tue, 7 Aug 2007 09:43:44 -0400 Date: Tue, 7 Aug 2007 15:43:42 +0200 From: Pierre Ossman To: David Vrabel Cc: linux-kernel@vger.kernel.org Subject: Re: [patch 4/4] sdio: disable CD resistor Message-ID: <20070807154342.47f63cfe@poseidon.drzeus.cx> In-Reply-To: <46B86BDF.8050700@csr.com> References: <11858961933491-git-send-email-david.vrabel@csr.com> <20070804152304.65ed8f1b@poseidon.drzeus.cx> <46B6F877.7060504@csr.com> <20070806171207.59fafa18@poseidon.drzeus.cx> <46B73F18.5030109@csr.com> <20070806220145.66b97559@poseidon.drzeus.cx> <46B86ADB.90000@csr.com> <46B86BDF.8050700@csr.com> X-Mailer: Claws Mail 2.10.0 (GTK+ 2.11.6; 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 X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 872 Lines: 25 On Tue, 07 Aug 2007 13:55:59 +0100 David Vrabel wrote: > sdio: disable CD resistor > > Disable the card detect resistor to ensure all data lines are equally > loaded. Not doing this can have a negative impact on buses with > marginal signal quality. > > Signed-off-by: David Vrabel I'm not sure about this. I've seen several hosts which lack a mechanical detect switch. -- -- 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/