Merge branches 'for-4.11/upstream-fixes', 'for-4.12/accutouch', 'for-4.12/cp2112...

[mirror_ubuntu-artful-kernel.git] / drivers / acpi / acpica / dbexec.c

diff --git a/drivers/acpi/acpica/dbexec.c b/drivers/acpi/acpica/dbexec.c
index 12df2915ad74beaac3907a5039a6dac45c15f225..b611cd92b5f59e266fa970ab8e0dec8b9e441b3b 100644 (file)
--- a/drivers/acpi/acpica/dbexec.c
+++ b/drivers/acpi/acpica/dbexec.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2016, Intel Corp.
+ * Copyright (C) 2000 - 2017, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -392,42 +392,48 @@ acpi_db_execute(char *name, char **args, acpi_object_type *types, u32 flags)
                                          acpi_db_execution_walk, NULL, NULL,
                                          NULL);
                return;
-       } else {
-               name_string = ACPI_ALLOCATE(strlen(name) + 1);
-               if (!name_string) {
-                       return;
-               }
+       }
 
-               memset(&acpi_gbl_db_method_info, 0,
-                      sizeof(struct acpi_db_method_info));
+       name_string = ACPI_ALLOCATE(strlen(name) + 1);
+       if (!name_string) {
+               return;
+       }
 
-               strcpy(name_string, name);
-               acpi_ut_strupr(name_string);
-               acpi_gbl_db_method_info.name = name_string;
-               acpi_gbl_db_method_info.args = args;
-               acpi_gbl_db_method_info.types = types;
-               acpi_gbl_db_method_info.flags = flags;
+       memset(&acpi_gbl_db_method_info, 0, sizeof(struct acpi_db_method_info));
+       strcpy(name_string, name);
+       acpi_ut_strupr(name_string);
 
-               return_obj.pointer = NULL;
-               return_obj.length = ACPI_ALLOCATE_BUFFER;
+       /* Subcommand to Execute all predefined names in the namespace */
 
-               status = acpi_db_execute_setup(&acpi_gbl_db_method_info);
-               if (ACPI_FAILURE(status)) {
-                       ACPI_FREE(name_string);
-                       return;
-               }
+       if (!strncmp(name_string, "PREDEF", 6)) {
+               acpi_db_evaluate_predefined_names();
+               ACPI_FREE(name_string);
+               return;
+       }
 
-               /* Get the NS node, determines existence also */
+       acpi_gbl_db_method_info.name = name_string;
+       acpi_gbl_db_method_info.args = args;
+       acpi_gbl_db_method_info.types = types;
+       acpi_gbl_db_method_info.flags = flags;
 
-               status = acpi_get_handle(NULL, acpi_gbl_db_method_info.pathname,
-                                        &acpi_gbl_db_method_info.method);
-               if (ACPI_SUCCESS(status)) {
-                       status =
-                           acpi_db_execute_method(&acpi_gbl_db_method_info,
-                                                  &return_obj);
-               }
+       return_obj.pointer = NULL;
+       return_obj.length = ACPI_ALLOCATE_BUFFER;
+
+       status = acpi_db_execute_setup(&acpi_gbl_db_method_info);
+       if (ACPI_FAILURE(status)) {
                ACPI_FREE(name_string);
+               return;
+       }
+
+       /* Get the NS node, determines existence also */
+
+       status = acpi_get_handle(NULL, acpi_gbl_db_method_info.pathname,
+                                &acpi_gbl_db_method_info.method);
+       if (ACPI_SUCCESS(status)) {
+               status = acpi_db_execute_method(&acpi_gbl_db_method_info,
+                                               &return_obj);
        }
+       ACPI_FREE(name_string);
 
        /*
         * Allow any handlers in separate threads to complete.