Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755655AbZCKPDm (ORCPT ); Wed, 11 Mar 2009 11:03:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752714AbZCKPDe (ORCPT ); Wed, 11 Mar 2009 11:03:34 -0400 Received: from mail-bw0-f178.google.com ([209.85.218.178]:53223 "EHLO mail-bw0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753132AbZCKPDd convert rfc822-to-8bit (ORCPT ); Wed, 11 Mar 2009 11:03:33 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=l2Lg3x3FxJpFdLQ6jEU5jIeP40Ft196HWWKziER3KWuEa0oSWew3P1mNeAK+7Ok1Pe ZOaqJi1jq42lw5BoZwwdtisLHeqhlfbpKd5oHkaJEaCeYGKU+H8aFB6g077E18C6vYaf lx7QNgo1S3rwTH2SxG5BI9HTLTwAeZIblecLQ= MIME-Version: 1.0 In-Reply-To: <200903111600.05835.wolfgang.mues@auerswald.de> References: <87a5b0800903110738h508aae87y7fc462d30cc89c7f@mail.gmail.com> <200903111600.05835.wolfgang.mues@auerswald.de> Date: Wed, 11 Mar 2009 15:03:30 +0000 Message-ID: <87a5b0800903110803k5e8a8ee4m50c572d845a38cb0@mail.gmail.com> Subject: Re: [PATCH 7/7] mmc_spi: support for non-byte-aligned cards From: Will Newton To: =?ISO-8859-1?Q?Wolfgang_M=FCes?= Cc: Pierre Ossman , Andrew Morton , Matt Fleming , David Brownell , Mike Frysinger , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1078 Lines: 31 On Wed, Mar 11, 2009 at 3:00 PM, Wolfgang M?es wrote: > Will, > > Am Mittwoch, 11. M?rz 2009 schrieb Will Newton: >> Are they using the same host controller? Have you tried these cards >> with a different host controller? > > I have tried with 3 different spi host controllers. > >> Are you clocking them particularly slow or fast? > > 400 KHz, 20 MHz and 25 MHz. > >> A logic probe may not display any signal integrity issues you might have. > > My "logic probe" is a 1 GHz leCroy DSO. > > I am doing this for money, and I am no amateur. Ok, sure, but these are things that are best put in your changleogs so people can understand what hardware is problematic and how it is proven. I have not seen these problems or seen them reported by others. Hopefully they will speak up and confirm your results. -- 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/