| commit | 775a9362b5d7e006ff6bbec5cb9c9c9d5a751696 | |
| author | Maya Erez <merez@codeaurora.org> | |
| Thu, 18 Apr 2013 12:41:55 +0000 (18 15:41 +0300) | ||
| committer | Chris Ball <cjb@laptop.org> | |
| Sun, 26 May 2013 18:23:13 +0000 (26 14:23 -0400) | ||
| tree | 78d66b7a04b5e339c2e0faa24290f72eb8f8bae4 | treesnapshot (tar.gz zip) |
| parent | b689167984bc14ed06c8bcff52ef5eb1fd9cf83b | commitdiff |
mmc: card: Adding support for sanitize in eMMC 4.5
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@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>