mmc: core: mmc sanitize feature support for v4.5
In the v4.5, there's no secure erase & trim support.
Instead it supports the sanitize feature.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 049445eb..e85816e 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -792,11 +792,18 @@
unsigned int from, nr, arg;
int err = 0, type = MMC_BLK_SECDISCARD;
- if (!mmc_can_secure_erase_trim(card)) {
+ if (!(mmc_can_secure_erase_trim(card) || mmc_can_sanitize(card))) {
err = -EOPNOTSUPP;
goto out;
}
+ /* The sanitize operation is supported at v4.5 only */
+ if (mmc_can_sanitize(card)) {
+ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+ EXT_CSD_SANITIZE_START, 1, 0);
+ goto out;
+ }
+
from = blk_rq_pos(req);
nr = blk_rq_sectors(req);