From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Edward A. Falk" <falk@efalk.org>
Subject: Re: SD power-control necessary?
Date: Fri, 07 Jan 2011 07:37:25 -0800
Message-ID: <4D273335.6010605@efalk.org>
References: <4D272592.6000508@yahoo.es>
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To: Hein_Tibosch <hein_tibosch@yahoo.es>
Cc: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>

Hein_Tibosch wrote:
> Hello,
> 
> Maybe a stupid question, but when designing new hardware with a slot
> for an sd-card, how essential is it that the driver is able to power off/on
> the card?

Just a random thought: allowing the driver to power off the SD card will 
defeat the "power-on memory protect" feature.  This is how the 
supposedly secure G2 was jailbroken.

	-ed falk