summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/acpi/acpica/aclocal.h1
-rw-r--r--drivers/acpi/acpica/acnamesp.h17
-rw-r--r--drivers/acpi/acpica/dsfield.c35
-rw-r--r--drivers/acpi/acpica/nsaccess.c13
4 files changed, 57 insertions, 9 deletions
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index c5367bf5487f..0f28a38a43ea 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -164,6 +164,7 @@ struct acpi_namespace_node {
#define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */
#define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */
#define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */
+#define ANOBJ_NODE_EARLY_INIT 0x80 /* acpi_exec only: Node was create via init file (-fi) */
#define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */
#define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
index 3825df923480..bbb3b4d1e796 100644
--- a/drivers/acpi/acpica/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -25,14 +25,15 @@
/* Flags for acpi_ns_lookup, acpi_ns_search_and_enter */
#define ACPI_NS_NO_UPSEARCH 0
-#define ACPI_NS_SEARCH_PARENT 0x01
-#define ACPI_NS_DONT_OPEN_SCOPE 0x02
-#define ACPI_NS_NO_PEER_SEARCH 0x04
-#define ACPI_NS_ERROR_IF_FOUND 0x08
-#define ACPI_NS_PREFIX_IS_SCOPE 0x10
-#define ACPI_NS_EXTERNAL 0x20
-#define ACPI_NS_TEMPORARY 0x40
-#define ACPI_NS_OVERRIDE_IF_FOUND 0x80
+#define ACPI_NS_SEARCH_PARENT 0x0001
+#define ACPI_NS_DONT_OPEN_SCOPE 0x0002
+#define ACPI_NS_NO_PEER_SEARCH 0x0004
+#define ACPI_NS_ERROR_IF_FOUND 0x0008
+#define ACPI_NS_PREFIX_IS_SCOPE 0x0010
+#define ACPI_NS_EXTERNAL 0x0020
+#define ACPI_NS_TEMPORARY 0x0040
+#define ACPI_NS_OVERRIDE_IF_FOUND 0x0080
+#define ACPI_NS_EARLY_INIT 0x0100
/* Flags for acpi_ns_walk_namespace */
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index 7c937595dfcb..5581300927de 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -15,6 +15,10 @@
#include "acnamesp.h"
#include "acparser.h"
+#ifdef ACPI_EXEC_APP
+#include "aecommon.h"
+#endif
+
#define _COMPONENT ACPI_DISPATCHER
ACPI_MODULE_NAME("dsfield")
@@ -259,6 +263,13 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
u64 position;
union acpi_parse_object *child;
+#ifdef ACPI_EXEC_APP
+ u64 value = 0;
+ union acpi_operand_object *result_desc;
+ union acpi_operand_object *obj_desc;
+ char *name_path;
+#endif
+
ACPI_FUNCTION_TRACE_PTR(ds_get_field_names, info);
/* First field starts at bit zero */
@@ -391,6 +402,26 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
+#ifdef ACPI_EXEC_APP
+ name_path =
+ acpi_ns_get_external_pathname(info->
+ field_node);
+ obj_desc =
+ acpi_ut_create_integer_object
+ (value);
+ if (ACPI_SUCCESS
+ (ae_lookup_init_file_entry
+ (name_path, &value))) {
+ acpi_ex_write_data_to_field
+ (obj_desc,
+ acpi_ns_get_attached_object
+ (info->field_node),
+ &result_desc);
+ ACPI_FREE(name_path);
+ acpi_ut_remove_reference
+ (obj_desc);
+ }
+#endif
}
}
@@ -573,7 +604,9 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
!(walk_state->parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
flags |= ACPI_NS_TEMPORARY;
}
-
+#ifdef ACPI_EXEC_APP
+ flags |= ACPI_NS_OVERRIDE_IF_FOUND;
+#endif
/*
* Walk the list of entries in the field_list
* Note: field_list can be of zero length. In this case, Arg will be NULL.
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index 83a593e2155d..e3f10afde5ff 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -558,6 +558,14 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
(char *)&current_node->name,
current_node));
}
+#ifdef ACPI_EXEC_APP
+ if ((status == AE_ALREADY_EXISTS) &&
+ (this_node->flags & ANOBJ_NODE_EARLY_INIT)) {
+ this_node->flags &= ~ANOBJ_NODE_EARLY_INIT;
+ status = AE_OK;
+ }
+#endif
+
#ifdef ACPI_ASL_COMPILER
/*
* If this ACPI name already exists within the namespace as an
@@ -676,6 +684,11 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
}
}
}
+#ifdef ACPI_EXEC_APP
+ if (flags & ACPI_NS_EARLY_INIT) {
+ this_node->flags |= ANOBJ_NODE_EARLY_INIT;
+ }
+#endif
*return_node = this_node;
return_ACPI_STATUS(AE_OK);