diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 619f2c3..51f0ffb 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -221,6 +221,8 @@
 {
 	u32 rev = gscr[SATA_PMP_GSCR_REV];
 
+	if (rev & (1 << 3))
+		return "1.2";
 	if (rev & (1 << 2))
 		return "1.1";
 	if (rev & (1 << 1))