1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index 0cc92ef5236f..50e677711e5b 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -113,6 +113,30 @@ acpi_tb_check_xsdt(acpi_physical_address address)
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_tb_initialize_facs
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a permanent mapping for the FADT and save it in a global
+ *              for accessing the Global Lock and Firmware Waking Vector
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_initialize_facs(void)
+{
+        acpi_status status;
+
+        status = acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+                                         ACPI_CAST_INDIRECT_PTR(struct
+                                                                acpi_table_header,
+                                                                &acpi_gbl_FACS));
+        return status;
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_tb_tables_loaded
  *
  * PARAMETERS:  None