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| author | Maya Erez <merez@codeaurora.org> | 2013-04-18 15:41:55 +0300 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-05-26 14:23:13 -0400 |
| commit | 775a9362b5d7e006ff6bbec5cb9c9c9d5a751696 (patch) | |
| tree | 78d66b7a04b5e339c2e0faa24290f72eb8f8bae4 /drivers/mmc/host/mxs-mmc.c | |
| parent | b689167984bc14ed06c8bcff52ef5eb1fd9cf83b (diff) | |
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>
Diffstat (limited to 'drivers/mmc/host/mxs-mmc.c')
0 files changed, 0 insertions, 0 deletions