diff options
Diffstat (limited to 'drivers/acpi/dispatcher/dswload.c')
| -rw-r--r-- | drivers/acpi/dispatcher/dswload.c | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c index a8deb700cf3..35074399c61 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; } |