From mboxrd@z Thu Jan 1 00:00:00 1970 From: Edward Falk Subject: Re: SD power-control necessary? Date: Fri, 07 Jan 2011 11:53:10 -0800 Message-ID: <4D276F26.3090107@efalk.org> References: <4D272592.6000508@yahoo.es> <4D273335.6010605@efalk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from a.mail.sonic.net ([64.142.16.245]:52213 "EHLO a.mail.sonic.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755486Ab1AGTxN (ORCPT ); Fri, 7 Jan 2011 14:53:13 -0500 In-Reply-To: <4D273335.6010605@efalk.org> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Hein_Tibosch Cc: "linux-mmc@vger.kernel.org" On 01/07/2011 07:37 AM, Edward A. Falk wrote: > 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. Ahh, I see we're talking about a removable SD card. In that case, jailbreaking is not an issue, so yes, the driver should be able to remove power from the device.