libata: disable NCQ for HITACHI HTS541680J9SA00/SB21C7EP

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

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 4733f00..6a8a517 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3791,6 +3791,8 @@ 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 */