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path: root/drivers/acpi/tables/tbutils.c
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Diffstat (limited to 'drivers/acpi/tables/tbutils.c')
-rw-r--r--drivers/acpi/tables/tbutils.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index 0cc92ef5236..50e677711e5 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