From d9ddd62943ee07a75d0428ffcf52f1a747a28c39 Mon Sep 17 00:00:00 2001 From: Kyungmin Park Date: Fri, 14 Oct 2011 14:15:48 +0900 Subject: 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 Signed-off-by: Jaehoon Chung Signed-off-by: Chris Ball --- drivers/mmc/card/block.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'drivers/mmc/card/block.c') diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 049445eb4f74..e85816e1634a 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -792,11 +792,18 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq, 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); -- cgit v1.2.3