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path: root/drivers/mmc/card/block.c
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Diffstat (limited to 'drivers/mmc/card/block.c')
-rw-r--r--drivers/mmc/card/block.c62
1 files changed, 34 insertions, 28 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 276d21ce6bc..172a768036d 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -850,9 +850,7 @@ out:
goto retry;
if (!err)
mmc_blk_reset_success(md, type);
- spin_lock_irq(&md->lock);
- __blk_end_request(req, err, blk_rq_bytes(req));
- spin_unlock_irq(&md->lock);
+ blk_end_request(req, err, blk_rq_bytes(req));
return err ? 0 : 1;
}
@@ -934,9 +932,7 @@ out_retry:
if (!err)
mmc_blk_reset_success(md, type);
out:
- spin_lock_irq(&md->lock);
- __blk_end_request(req, err, blk_rq_bytes(req));
- spin_unlock_irq(&md->lock);
+ blk_end_request(req, err, blk_rq_bytes(req));
return err ? 0 : 1;
}
@@ -951,9 +947,7 @@ static int mmc_blk_issue_flush(struct mmc_queue *mq, struct request *req)
if (ret)
ret = -EIO;
- spin_lock_irq(&md->lock);
- __blk_end_request_all(req, ret);
- spin_unlock_irq(&md->lock);
+ blk_end_request_all(req, ret);
return ret ? 0 : 1;
}
@@ -1252,14 +1246,10 @@ static int mmc_blk_cmd_err(struct mmc_blk_data *md, struct mmc_card *card,
blocks = mmc_sd_num_wr_blocks(card);
if (blocks != (u32)-1) {
- spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, 0, blocks << 9);
- spin_unlock_irq(&md->lock);
+ ret = blk_end_request(req, 0, blocks << 9);
}
} else {
- spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, 0, brq->data.bytes_xfered);
- spin_unlock_irq(&md->lock);
+ ret = blk_end_request(req, 0, brq->data.bytes_xfered);
}
return ret;
}
@@ -1311,10 +1301,8 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
* A block was successfully transferred.
*/
mmc_blk_reset_success(md, type);
- spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, 0,
+ ret = blk_end_request(req, 0,
brq->data.bytes_xfered);
- spin_unlock_irq(&md->lock);
/*
* If the blk_end_request function returns non-zero even
* though all data has been transferred and no errors
@@ -1364,10 +1352,8 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
* time, so we only reach here after trying to
* read a single sector.
*/
- spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, -EIO,
+ ret = blk_end_request(req, -EIO,
brq->data.blksz);
- spin_unlock_irq(&md->lock);
if (!ret)
goto start_new_req;
break;
@@ -1388,12 +1374,10 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
return 1;
cmd_abort:
- spin_lock_irq(&md->lock);
if (mmc_card_removed(card))
req->cmd_flags |= REQ_QUIET;
while (ret)
- ret = __blk_end_request(req, -EIO, blk_rq_cur_bytes(req));
- spin_unlock_irq(&md->lock);
+ ret = blk_end_request(req, -EIO, blk_rq_cur_bytes(req));
start_new_req:
if (rqc) {
@@ -1417,9 +1401,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
ret = mmc_blk_part_switch(card, md);
if (ret) {
if (req) {
- spin_lock_irq(&md->lock);
- __blk_end_request_all(req, -EIO);
- spin_unlock_irq(&md->lock);
+ blk_end_request_all(req, -EIO);
}
ret = 0;
goto out;
@@ -1429,7 +1411,8 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
/* complete ongoing async transfer before issuing discard */
if (card->host->areq)
mmc_blk_issue_rw_rq(mq, NULL);
- if (req->cmd_flags & REQ_SECURE)
+ if (req->cmd_flags & REQ_SECURE &&
+ !(card->quirks & MMC_QUIRK_SEC_ERASE_TRIM_BROKEN))
ret = mmc_blk_issue_secdiscard_rq(mq, req);
else
ret = mmc_blk_issue_discard_rq(mq, req);
@@ -1734,6 +1717,7 @@ force_ro_fail:
#define CID_MANFID_SANDISK 0x2
#define CID_MANFID_TOSHIBA 0x11
#define CID_MANFID_MICRON 0x13
+#define CID_MANFID_SAMSUNG 0x15
static const struct mmc_fixup blk_fixups[] =
{
@@ -1770,6 +1754,28 @@ static const struct mmc_fixup blk_fixups[] =
MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc,
MMC_QUIRK_LONG_READ_TIME),
+ /*
+ * On these Samsung MoviNAND parts, performing secure erase or
+ * secure trim can result in unrecoverable corruption due to a
+ * firmware bug.
+ */
+ MMC_FIXUP("M8G2FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+ MMC_FIXUP("MAG4FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+ MMC_FIXUP("MBG8FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+ MMC_FIXUP("MCGAFA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+ MMC_FIXUP("VAL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+ MMC_FIXUP("VYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+ MMC_FIXUP("KYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+ MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+
END_FIXUP
};