Re: [PATCH v3] mmc: card: Adding support for sanitize in eMMC 4.5

From: Chris Ball
Date: Sun May 26 2013 - 13:22:21 EST


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 <ygardi@xxxxxxxxxxxxxx>
> Signed-off-by: Maya Erez <merez@xxxxxxxxxxxxxx>

Thanks, pushed to mmc-next for 3.11.

- Chris.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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