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Subject[PATCH 3.14 42/78] libata: Blacklist queued trim for Crucial M500
Date
3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Martin K. Petersen" <martin.petersen@oracle.com>

commit 3b8d2676d15d6b2326757adb66b70a9cd6650373 upstream.

Queued trim only works for some users with MU05 firmware. Revert to
blacklisting all firmware versions.

Introduced by commit d121f7d0cbb8 ("libata: Update queued trim blacklist
for M5x0 drives") which this effectively reverts, while retaining the
blacklisting of M550.

See

https://bugzilla.kernel.org/show_bug.cgi?id=71371

for reports of trouble with MU05 firmware.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/ata/libata-core.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4224,10 +4224,10 @@ static const struct ata_blacklist_entry
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },

/* devices that don't properly handle queued TRIM commands */
- { "Micron_M500*", "MU0[1-4]*", ATA_HORKAGE_NO_NCQ_TRIM, },
- { "Crucial_CT???M500SSD*", "MU0[1-4]*", ATA_HORKAGE_NO_NCQ_TRIM, },
- { "Micron_M550*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
- { "Crucial_CT???M550SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+ { "Micron_M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+ { "Crucial_CT???M500SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+ { "Micron_M550*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+ { "Crucial_CT???M550SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },

/*
* Some WD SATA-I drives spin up and down erratically when the link



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