ACPICA: Add global pointer for FACS table to simplify FACS access

Use a global pointer instead of using AcpiGetTableByIndex for
each FACS access. This simplifies the code for the Global Lock
and the Firmware Waking Vector(s).

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

2 files changed, 3 insertions, 0 deletions

diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index 15dda46b70d1..77d73a498bfb 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -140,6 +140,7 @@ ACPI_EXTERN u32 acpi_gbl_trace_flags;
  */
 ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list;
 ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT;
+ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS;
 extern u8 acpi_gbl_permanent_mmap;
 
 /* These addresses are calculated from FADT address values */
diff --git a/include/acpi/actables.h b/include/acpi/actables.h
index 0cbe1b9ab522..7ce6e33c7f78 100644
--- a/include/acpi/actables.h
+++ b/include/acpi/actables.h
@@ -94,6 +94,8 @@ void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
 /*
  * tbutils - table manager utilities
  */
+acpi_status acpi_tb_initialize_facs(void);
+
 u8 acpi_tb_tables_loaded(void);
 
 void