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path: root/drivers/acpi/dispatcher/dswload.c
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Diffstat (limited to 'drivers/acpi/dispatcher/dswload.c')
-rw-r--r--drivers/acpi/dispatcher/dswload.c41
1 files changed, 36 insertions, 5 deletions
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index a8deb700cf33..35074399c617 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -178,12 +178,12 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
* Target of Scope() not found. Generate an External for it, and
* insert the name into the namespace.
*/
- acpi_dm_add_to_external_list(path);
+ acpi_dm_add_to_external_list(path, ACPI_TYPE_DEVICE, 0);
status =
acpi_ns_lookup(walk_state->scope_info, path,
object_type, ACPI_IMODE_LOAD_PASS1,
ACPI_NS_SEARCH_PARENT, walk_state,
- &(node));
+ &node);
}
#endif
if (ACPI_FAILURE(status)) {
@@ -301,10 +301,41 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
status =
acpi_ns_lookup(walk_state->scope_info, path, object_type,
ACPI_IMODE_LOAD_PASS1, flags, walk_state,
- &(node));
+ &node);
if (ACPI_FAILURE(status)) {
- ACPI_ERROR_NAMESPACE(path, status);
- return_ACPI_STATUS(status);
+ if (status == AE_ALREADY_EXISTS) {
+
+ /* The name already exists in this scope */
+
+ if (node->flags & ANOBJ_IS_EXTERNAL) {
+ /*
+ * Allow one create on an object or segment that was
+ * previously declared External
+ */
+ node->flags &= ~ANOBJ_IS_EXTERNAL;
+ node->type = (u8) object_type;
+
+ /* Just retyped a node, probably will need to open a scope */
+
+ if (acpi_ns_opens_scope(object_type)) {
+ status =
+ acpi_ds_scope_stack_push
+ (node, object_type,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS
+ (status);
+ }
+ }
+ status = AE_OK;
+ }
+ }
+
+ if (ACPI_FAILURE(status)) {
+
+ ACPI_ERROR_NAMESPACE(path, status);
+ return_ACPI_STATUS(status);
+ }
}
break;
}