From: Adrian Hunter <ext-adrian.hunter@nokia.com>
To: Pierre Ossman <drzeus-mmc@drzeus.cx>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] MMC: Add Extended CSD as a device attribute
Date: Mon, 26 Jan 2009 11:16:36 +0200 [thread overview]
Message-ID: <497D7F74.6050409@nokia.com> (raw)
In-Reply-To: <20090124214543.60d7c939@mjolnir.drzeus.cx>
Pierre Ossman wrote:
> On Fri, 16 Jan 2009 12:41:50 +0200
> Adrian Hunter <ext-adrian.hunter@nokia.com> wrote:
>
>> From: Adrian Hunter <ext-adrian.hunter@nokia.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@nokia.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?
Yes it is mainly just debugging. It was done as a device attribute for
consistency with the other card registers CID and CSD.
Would you prefer #ifdef CONFIG_MMC_DEBUG or debugfs?
next prev parent reply other threads:[~2009-01-26 9:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-14 16:23 [PATCH] MMC: Add Extended CSD as a device attribute Adrian Hunter
2009-01-16 0:05 ` Andrew Morton
2009-01-16 10:41 ` Adrian Hunter
2009-01-24 20:45 ` Pierre Ossman
2009-01-26 9:16 ` Adrian Hunter [this message]
2009-02-02 19:26 ` Pierre Ossman
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