ACPICA: Tables: Update FADT handling

ACPICA commit bca0c4cb063ee488c543e6f160fe89679a2338d6

Update a warning message
simplify versioning for "table too big" case.

Link: https://github.com/acpica/acpica/commit/bca0c4cb
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
index a79e4f3..f63f3fd 100644 (file)
--- a/drivers/acpi/acpica/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -385,14 +385,15 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length)
 {
        /*
         * Check if the FADT is larger than the largest table that we expect
-        * (the ACPI 5.0 version). If so, truncate the table, and issue
-        * a warning.
+        * (typically the current ACPI specification version). If so, truncate
+        * the table, and issue a warning.
         */
        if (length > sizeof(struct acpi_table_fadt)) {
                ACPI_BIOS_WARNING((AE_INFO,
-                                  "FADT (revision %u) is longer than ACPI 5.0 version, "
+                                  "FADT (revision %u) is longer than %s length, "
                                   "truncating length %u to %u",
-                                  table->revision, length,
+                                  table->revision, ACPI_FADT_CONFORMANCE,
+                                  length,
                                   (u32)sizeof(struct acpi_table_fadt)));
        }
 
@@ -646,9 +647,12 @@ static void acpi_tb_convert_fadt(void)
                        if ((address64->address && !length) ||
                            (!address64->address && length)) {
                                ACPI_BIOS_WARNING((AE_INFO,
-                                                  "Optional FADT field %s has zero address or length: "
-                                                  "0x%8.8X%8.8X/0x%X",
-                                                  name,
+                                                  "Optional FADT field %s has valid %s but zero %s: "
+                                                  "0x%8.8X%8.8X/0x%X", name,
+                                                  (length ? "Length" :
+                                                   "Address"),
+                                                  (length ? "Address" :
+                                                   "Length"),
                                                   ACPI_FORMAT_UINT64
                                                   (address64->address),
                                                   length));

diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 0cb1a00..c19700e 100644 (file)
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -223,7 +223,7 @@ struct acpi_table_facs {
 /*******************************************************************************
  *
  * FADT - Fixed ACPI Description Table (Signature "FACP")
- *        Version 4
+ *        Version 6
  *
  ******************************************************************************/
 
@@ -413,4 +413,6 @@ struct acpi_table_desc {
 #define ACPI_FADT_V5_SIZE       (u32) (ACPI_FADT_OFFSET (hypervisor_id))
 #define ACPI_FADT_V6_SIZE       (u32) (sizeof (struct acpi_table_fadt))
 
+#define ACPI_FADT_CONFORMANCE   "ACPI 6.1 (FADT version 6)"
+
 #endif                         /* __ACTBL_H__ */