From: "Edward A. Falk" <falk@efalk.org>
To: Hein_Tibosch <hein_tibosch@yahoo.es>
Cc: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>
Subject: Re: SD power-control necessary?
Date: Fri, 07 Jan 2011 07:37:25 -0800 [thread overview]
Message-ID: <4D273335.6010605@efalk.org> (raw)
In-Reply-To: <4D272592.6000508@yahoo.es>
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
next prev parent reply other threads:[~2011-01-07 15:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-07 14:39 SD power-control necessary? Hein_Tibosch
2011-01-07 15:37 ` Edward A. Falk [this message]
2011-01-07 16:54 ` Chris Ball
2011-01-07 19:53 ` Edward Falk
2011-01-07 15:48 ` Michał Mirosław
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4D273335.6010605@efalk.org \
--to=falk@efalk.org \
--cc=hein_tibosch@yahoo.es \
--cc=linux-mmc@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.