diff --git a/[refs] b/[refs]
index b9ae8ebd88a3..be20151ec974 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 994056d7aa884c742f58e2f2c17305bb01bf14e7
+refs/heads/master: d1aa690a7d1afa673c3383bfcd6e96ddb350939a
diff --git a/trunk/drivers/ata/ata_piix.c b/trunk/drivers/ata/ata_piix.c
index b538e1d22bf2..bb62a588f489 100644
--- a/trunk/drivers/ata/ata_piix.c
+++ b/trunk/drivers/ata/ata_piix.c
@@ -973,6 +973,13 @@ static int piix_broken_suspend(void)
 				DMI_MATCH(DMI_PRODUCT_NAME, "Tecra M3"),
 			},
 		},
+		{
+			.ident = "TECRA M4",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "Tecra M4"),
+			},
+		},
 		{
 			.ident = "TECRA M5",
 			.matches = {