diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index d3ea7f5..94ec0f5 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3771,6 +3771,7 @@
 	{ "ATAPI CD-ROM DRIVE 40X MAXIMUM",NULL,ATA_HORKAGE_NODMA },
 	{ "_NEC DV5800A", 	NULL,		ATA_HORKAGE_NODMA },
 	{ "SAMSUNG CD-ROM SN-124","N001",	ATA_HORKAGE_NODMA },
+	{ "Seagate STT20000A", NULL,		ATA_HORKAGE_NODMA },
 
 	/* Weird ATAPI devices */
 	{ "TORiSAN DVD-ROM DRD-N216", NULL,	ATA_HORKAGE_MAX_SEC_128 |