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-rw-r--r--include/acpi/actypes.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index e8bcc4742e0..0339a2d93f1 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -706,10 +706,14 @@ typedef u32 acpi_event_status;
#define ACPI_DEVICE_NOTIFY 0x2
#define ACPI_ALL_NOTIFY (ACPI_SYSTEM_NOTIFY | ACPI_DEVICE_NOTIFY)
#define ACPI_MAX_NOTIFY_HANDLER_TYPE 0x3
+#define ACPI_NUM_NOTIFY_TYPES 2
#define ACPI_MAX_SYS_NOTIFY 0x7F
#define ACPI_MAX_DEVICE_SPECIFIC_NOTIFY 0xBF
+#define ACPI_SYSTEM_HANDLER_LIST 0 /* Used as index, must be SYSTEM_NOTIFY -1 */
+#define ACPI_DEVICE_HANDLER_LIST 1 /* Used as index, must be DEVICE_NOTIFY -1 */
+
/* Address Space (Operation Region) Types */
typedef u8 acpi_adr_space_type;