linux-kernel - [PATCH] libata: disable NCQ for HITACHI HTS541680J9SA00/SB21C7EP

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Message-ID: <20070608132059.GG29122@htj.dyndns.org>
Date:	Fri, 8 Jun 2007 22:20:59 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Florin Iucha <florin@...ha.net>
Cc:	Robert Hancock <hancockr@...w.ca>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-ide@...nel.vger.org, jeff@...zik.org
Subject: [PATCH] libata: disable NCQ for HITACHI HTS541680J9SA00/SB21C7EP

HITACHI HTS541680J9SA00/SB21C7EP spuriously completes NCQ commands.
Blacklist it for NCQ.

Signed-off-by: Tejun Heo <htejun@...il.com>
---
 drivers/ata/libata-core.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 636df4e..880cdd3 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3787,6 +3787,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "HTS541060G9SA00",    "MB3OC60D",     ATA_HORKAGE_NONCQ, },
 	{ "HTS541080G9SA00",    "MB4OC60D",     ATA_HORKAGE_NONCQ, },
 	{ "HTS541010G9SA00",    "MBZOC60D",     ATA_HORKAGE_NONCQ, },
+	/* Drives which do spurious command completion */
+	{ "HTS541680J9SA00",	"SB2IC7EP",	ATA_HORKAGE_NONCQ, },
 
 	/* Devices with NCQ limits */
 
-
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