ACPICA: Add GPE support for dynamically loaded ACPI tables

For all GPEs, including FADT-based and GPE Block Devices, execute
any _PRW methods in the new table, and process any _Lxx/_Exx GPE
methods in the new table. Any runtime GPE that is referred to
by an _Lxx/_Exx method in the new table is immediately enabled.
ACPICA BZ 833.

http://www.acpica.org/bugzilla/show_bug.cgi?id=833

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 15 insertions, 6 deletions

diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index 7e8b3bedc376..008621c5ad85 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -82,8 +82,9 @@ acpi_ex_add_table(u32 table_index,
                   struct acpi_namespace_node *parent_node,
                   union acpi_operand_object **ddb_handle)
 {
-        acpi_status status;
         union acpi_operand_object *obj_desc;
+        acpi_status status;
+        acpi_owner_id owner_id;
 
         ACPI_FUNCTION_TRACE(ex_add_table);
 
@@ -119,7 +120,14 @@ acpi_ex_add_table(u32 table_index,
         acpi_ns_exec_module_code_list();
         acpi_ex_enter_interpreter();
 
-        return_ACPI_STATUS(status);
+        /* Update GPEs for any new _PRW or _Lxx/_Exx methods. Ignore errors */
+
+        status = acpi_tb_get_owner_id(table_index, &owner_id);
+        if (ACPI_SUCCESS(status)) {
+                acpi_ev_update_gpes(owner_id);
+        }
+
+        return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************
@@ -248,10 +256,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
 
         status = acpi_get_table_by_index(table_index, &table);
         if (ACPI_SUCCESS(status)) {
-                ACPI_INFO((AE_INFO,
-                           "Dynamic OEM Table Load - [%.4s] OemId [%.6s] OemTableId [%.8s]",
-                           table->signature, table->oem_id,
-                           table->oem_table_id));
+                ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
+                acpi_tb_print_table_header(0, table);
         }
 
         /* Invoke table handler if present */
@@ -525,6 +531,9 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
                 return_ACPI_STATUS(status);
         }
 
+        ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
+        acpi_tb_print_table_header(0, table_desc.pointer);
+
         /* Remove the reference by added by acpi_ex_store above */
 
         acpi_ut_remove_reference(ddb_handle);