diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index d59a607..3db115a 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -37,6 +37,16 @@
 
 	{ "PNP0D40" },
 
+	/* Haswell LPSS devices */
+	{ "INT33C0", 0 },
+	{ "INT33C1", 0 },
+	{ "INT33C2", 0 },
+	{ "INT33C3", 0 },
+	{ "INT33C4", 0 },
+	{ "INT33C5", 0 },
+	{ "INT33C6", 0 },
+	{ "INT33C7", 0 },
+
 	{ }
 };