linux-kernel - Re: [PATCH] MMC: Add Extended CSD as a device attribute

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Message-ID: <20090124214543.60d7c939@mjolnir.drzeus.cx>
Date:	Sat, 24 Jan 2009 21:45:43 +0100
From:	Pierre Ossman <drzeus-mmc@...eus.cx>
To:	Adrian Hunter <ext-adrian.hunter@...ia.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MMC: Add Extended CSD as a device attribute

On Fri, 16 Jan 2009 12:41:50 +0200
Adrian Hunter <ext-adrian.hunter@...ia.com> wrote:

> From: Adrian Hunter <ext-adrian.hunter@...ia.com>
> Date: Wed, 14 Jan 2009 17:45:53 +0200
> Subject: [PATCH] MMC: Add Extended CSD as a device attribute
> 
> Extended CSD is a MMC card register.  The Card Identification
> (CID) register and the Card-Specific Data (CSD) register are
> already device attributes.  As increasingly interesting
> fields are being added to Extended CSD, it seems reasonable to
> add it too.  Note that SD cards do not have an Extended CSD
> register, so it is MMC only.
> 
> Signed-off-by: Adrian Hunter <ext-adrian.hunter@...ia.com>
> ---

Well, this might be interesting for debugging, but I don't see anything
of general interest for user space in there. What's your use case?

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  rdesktop, core developer          http://www.rdesktop.org

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