linux-kernel - [PATCH 3.12 022/123] libata: Do not blacklist Micron M500DC

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Message-Id: <76f91a3d1ae62fc9dfff71103ea27324171ef96b.1438699154.git.jslaby@suse.cz>
Date:	Tue,  4 Aug 2015 16:39:26 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Tejun Heo <tj@...nel.org>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 022/123] libata: Do not blacklist Micron M500DC

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

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 243918be6393f643e513a26e7882e6ae06ff7717 upstream.

Queued TRIM got disabled on Micron M500DC drives thanks to the
"Micron_M500*" pattern we had in place to accommodate the previous
generation of this drive family. Tweak the blacklist entry slightly so
we only disable queued TRIM for the non-DC variants of M500 drives.

Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Cc: stable@...r.kernel.org
Signed-off-by: Tejun Heo <tj@...nel.org>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/ata/libata-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 25dc7cdad863..648c5b0d484e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4224,7 +4224,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "PIONEER DVD-RW  DVR-216D",	NULL,	ATA_HORKAGE_NOSETXFER },
 
 	/* devices that don't properly handle queued TRIM commands */
-	{ "Micron_M500*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
+	{ "Micron_M500_*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
 	{ "Crucial_CT*M500*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
 	{ "Micron_M5[15]0*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM, },
 	{ "Crucial_CT*M550*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM, },
-- 
2.5.0

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