From: Chris Ball Subject: Re: [PATCH v3] mmc: card: Adding support for sanitize in eMMC 4.5 Date: Sun, 26 May 2013 13:22:06 -0400 Message-ID: <87ppwdr70h.fsf@octavius.laptop.org> References: <1366288936-26373-1-git-send-email-merez@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1366288936-26373-1-git-send-email-merez@codeaurora.org> (Maya Erez's message of "Thu, 18 Apr 2013 15:41:55 +0300") Sender: linux-mmc-owner@vger.kernel.org To: Maya Erez Cc: linux-mmc@vger.kernel.org, linux-arm-msm@vger.kernel.org, Yaniv Gardi , open list List-Id: linux-arm-msm@vger.kernel.org Hi Maya, On Thu, Apr 18 2013, Maya Erez wrote: > The sanitize support is added as a user-app ioctl call, and > was removed from the block-device request, since its purpose is > to be invoked not via File-System but by a user. > This feature deletes the unmap memory region of the eMMC card, > by writing to a specific register in the EXT_CSD. > unmap region is the memory region that was previously deleted > (by erase, trim or discard operation). > In order to avoid timeout when sanitizing large-scale cards, > the timeout for sanitize operation is 240 seconds. > > Signed-off-by: Yaniv Gardi > Signed-off-by: Maya Erez Thanks, pushed to mmc-next for 3.11. - Chris. -- Chris Ball One Laptop Per Child