Merge branch 'acpica' into release

3 files changed, 26 insertions, 4 deletions

diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index ef1cef77d32b..d7bd661bfae7 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -183,13 +183,19 @@
 
 #if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
 /*
- * Module name is included in both debug and non-debug versions primarily for
- * error messages. The __FILE__ macro is not very useful for this, because it
- * often includes the entire pathname to the module
+ * The module name is used primarily for error and debug messages.
+ * The __FILE__ macro is not very useful for this, because it
+ * usually includes the entire pathname to the module making the
+ * debug output difficult to read.
  */
 #define ACPI_MODULE_NAME(name)          static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
 #else
+/*
+ * For the no-debug and no-error-msg cases, we must at least define
+ * a null module name.
+ */
 #define ACPI_MODULE_NAME(name)
+#define _acpi_module_name ""
 #endif
 
 /*
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index e46ec95a8ada..ec908540d346 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -47,7 +47,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20110112
+#define ACPI_CA_VERSION                 0x20110211
 
 #include "actypes.h"
 #include "actbl.h"
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 7e42bfee0e29..d41c94885211 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -343,4 +343,20 @@ struct acpi_table_desc {
 #include <acpi/actbl1.h>
 #include <acpi/actbl2.h>
 
+/*
+ * Sizes of the various flavors of FADT. We need to look closely
+ * at the FADT length because the version number essentially tells
+ * us nothing because of many BIOS bugs where the version does not
+ * match the expected length. In other words, the length of the
+ * FADT is the bottom line as to what the version really is.
+ *
+ * For reference, the values below are as follows:
+ *     FADT V1  size: 0x74
+ *     FADT V2  size: 0x84
+ *     FADT V3+ size: 0xF4
+ */
+#define ACPI_FADT_V1_SIZE       (u32) (ACPI_FADT_OFFSET (flags) + 4)
+#define ACPI_FADT_V2_SIZE       (u32) (ACPI_FADT_OFFSET (reserved4[0]) + 3)
+#define ACPI_FADT_V3_SIZE       (u32) (sizeof (struct acpi_table_fadt))
+
 #endif                          /* __ACTBL_H__ */