1 files changed, 25 insertions, 8 deletions

diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index e696aa847990..46a79b0103b6 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -64,7 +64,8 @@ ACPI_MODULE_NAME("nsparse")
  ******************************************************************************/
 acpi_status
 acpi_ns_one_complete_parse(acpi_native_uint pass_number,
-                           acpi_native_uint table_index)
+                           acpi_native_uint table_index,
+                           struct acpi_namespace_node * start_node)
 {
         union acpi_parse_object *parse_root;
         acpi_status status;
@@ -111,14 +112,25 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
                 aml_start = (u8 *) table + sizeof(struct acpi_table_header);
                 aml_length = table->length - sizeof(struct acpi_table_header);
                 status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL,
-                                               aml_start, aml_length, NULL,
-                                               (u8) pass_number);
+                                               aml_start, (u32) aml_length,
+                                               NULL, (u8) pass_number);
         }
 
         if (ACPI_FAILURE(status)) {
                 acpi_ds_delete_walk_state(walk_state);
-                acpi_ps_delete_parse_tree(parse_root);
-                return_ACPI_STATUS(status);
+                goto cleanup;
+        }
+
+        /* start_node is the default location to load the table */
+
+        if (start_node && start_node != acpi_gbl_root_node) {
+                status =
+                    acpi_ds_scope_stack_push(start_node, ACPI_TYPE_METHOD,
+                                             walk_state);
+                if (ACPI_FAILURE(status)) {
+                        acpi_ds_delete_walk_state(walk_state);
+                        goto cleanup;
+                }
         }
 
         /* Parse the AML */
@@ -127,6 +139,7 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
                           (unsigned)pass_number));
         status = acpi_ps_parse_aml(walk_state);
 
+      cleanup:
         acpi_ps_delete_parse_tree(parse_root);
         return_ACPI_STATUS(status);
 }
@@ -163,7 +176,9 @@ acpi_ns_parse_table(acpi_native_uint table_index,
          * performs another complete parse of the AML.
          */
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n"));
-        status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, table_index);
+        status =
+            acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, table_index,
+                                       start_node);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -178,7 +193,9 @@ acpi_ns_parse_table(acpi_native_uint table_index,
          * parse objects are all cached.
          */
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 2\n"));
-        status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2, table_index);
+        status =
+            acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2, table_index,
+                                       start_node);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }