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-rw-r--r--include/acpi/actbl.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index a46f406e1c94..ed53f842dad4 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,12 @@
#define __ACTBL_H__
/*
+ * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
+ * This is the only type that is even remotely portable. Anything else is not
+ * portable, so do not use any other bitfield types.
+ */
+
+/*
* Values for description table header signatures
*/
#define RSDP_NAME "RSDP"