1 files changed, 26 insertions, 1 deletions

diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 13a3d9ad92db..bf8d4cfd8cf5 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -245,7 +245,7 @@ struct acpi_table_fadt {
 #define ACPI_FADT_POWER_BUTTON      (1<<4)      /* 04: Power button is handled as a generic feature */
 #define ACPI_FADT_SLEEP_BUTTON      (1<<5)      /* 05: Sleep button is handled as a generic feature, or  not present */
 #define ACPI_FADT_FIXED_RTC         (1<<6)      /* 06: RTC wakeup stat not in fixed register space */
-#define ACPI_FADT_S4_RTC_WAKE       (1<<7)      /* 07: RTC wakeup stat not possible from S4 */
+#define ACPI_FADT_S4_RTC_WAKE       (1<<7)      /* 07: RTC wakeup possible from S4 */
 #define ACPI_FADT_32BIT_TIMER       (1<<8)      /* 08: tmr_val is 32 bits 0=24-bits */
 #define ACPI_FADT_DOCKING_SUPPORTED (1<<9)      /* 09: Docking supported */
 #define ACPI_FADT_RESET_REGISTER    (1<<10)     /* 10: System reset via the FADT RESET_REG supported */
@@ -288,6 +288,31 @@ enum acpi_prefered_pm_profiles {
 
 #define ACPI_FADT_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_fadt, f)
 
+union acpi_name_union {
+        u32 integer;
+        char ascii[4];
+};
+
+/*
+ * Internal ACPI Table Descriptor. One per ACPI table
+ */
+struct acpi_table_desc {
+        acpi_physical_address address;
+        struct acpi_table_header *pointer;
+        u32 length;             /* Length fixed at 32 bits */
+        union acpi_name_union signature;
+        acpi_owner_id owner_id;
+        u8 flags;
+};
+
+/* Flags for above */
+
+#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
+#define ACPI_TABLE_ORIGIN_MAPPED        (1)
+#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
+#define ACPI_TABLE_ORIGIN_MASK          (3)
+#define ACPI_TABLE_IS_LOADED            (4)
+
 /*
  * Get the remaining ACPI tables
  */