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path: root/drivers/acpi/namespace/nsobject.c
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Diffstat (limited to 'drivers/acpi/namespace/nsobject.c')
-rw-r--r--drivers/acpi/namespace/nsobject.c209
1 files changed, 90 insertions, 119 deletions
diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c
index 27258c1ca4f1..fc9be946ebed 100644
--- a/drivers/acpi/namespace/nsobject.c
+++ b/drivers/acpi/namespace/nsobject.c
@@ -42,14 +42,11 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
-
#define _COMPONENT ACPI_NAMESPACE
- ACPI_MODULE_NAME ("nsobject")
-
+ACPI_MODULE_NAME("nsobject")
/*******************************************************************************
*
@@ -71,20 +68,15 @@
* MUTEX: Assumes namespace is locked
*
******************************************************************************/
-
acpi_status
-acpi_ns_attach_object (
- struct acpi_namespace_node *node,
- union acpi_operand_object *object,
- acpi_object_type type)
+acpi_ns_attach_object(struct acpi_namespace_node *node,
+ union acpi_operand_object *object, acpi_object_type type)
{
- union acpi_operand_object *obj_desc;
- union acpi_operand_object *last_obj_desc;
- acpi_object_type object_type = ACPI_TYPE_ANY;
-
-
- ACPI_FUNCTION_TRACE ("ns_attach_object");
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *last_obj_desc;
+ acpi_object_type object_type = ACPI_TYPE_ANY;
+ ACPI_FUNCTION_TRACE("ns_attach_object");
/*
* Parameter validation
@@ -92,40 +84,39 @@ acpi_ns_attach_object (
if (!node) {
/* Invalid handle */
- ACPI_REPORT_ERROR (("ns_attach_object: Null named_obj handle\n"));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ ACPI_REPORT_ERROR(("ns_attach_object: Null named_obj handle\n"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
if (!object && (ACPI_TYPE_ANY != type)) {
/* Null object */
- ACPI_REPORT_ERROR ((
- "ns_attach_object: Null object, but type not ACPI_TYPE_ANY\n"));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ ACPI_REPORT_ERROR(("ns_attach_object: Null object, but type not ACPI_TYPE_ANY\n"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) {
+ if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
/* Not a name handle */
- ACPI_REPORT_ERROR (("ns_attach_object: Invalid handle %p [%s]\n",
- node, acpi_ut_get_descriptor_name (node)));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ ACPI_REPORT_ERROR(("ns_attach_object: Invalid handle %p [%s]\n",
+ node, acpi_ut_get_descriptor_name(node)));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Check if this object is already attached */
if (node->object == object) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "Obj %p already installed in name_obj %p\n",
- object, node));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Obj %p already installed in name_obj %p\n",
+ object, node));
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* If null object, we will just install it */
if (!object) {
- obj_desc = NULL;
+ obj_desc = NULL;
object_type = ACPI_TYPE_ANY;
}
@@ -133,14 +124,14 @@ acpi_ns_attach_object (
* If the source object is a namespace Node with an attached object,
* we will use that (attached) object
*/
- else if ((ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) &&
- ((struct acpi_namespace_node *) object)->object) {
+ else if ((ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) &&
+ ((struct acpi_namespace_node *)object)->object) {
/*
* Value passed is a name handle and that name has a
* non-null value. Use that name's value and type.
*/
- obj_desc = ((struct acpi_namespace_node *) object)->object;
- object_type = ((struct acpi_namespace_node *) object)->type;
+ obj_desc = ((struct acpi_namespace_node *)object)->object;
+ object_type = ((struct acpi_namespace_node *)object)->type;
}
/*
@@ -148,20 +139,20 @@ acpi_ns_attach_object (
* it first
*/
else {
- obj_desc = (union acpi_operand_object *) object;
+ obj_desc = (union acpi_operand_object *)object;
/* Use the given type */
object_type = type;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Installing %p into Node %p [%4.4s]\n",
- obj_desc, node, acpi_ut_get_node_name (node)));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Installing %p into Node %p [%4.4s]\n",
+ obj_desc, node, acpi_ut_get_node_name(node)));
/* Detach an existing attached object if present */
if (node->object) {
- acpi_ns_detach_object (node);
+ acpi_ns_detach_object(node);
}
if (obj_desc) {
@@ -169,7 +160,7 @@ acpi_ns_attach_object (
* Must increment the new value's reference count
* (if it is an internal object)
*/
- acpi_ut_add_reference (obj_desc);
+ acpi_ut_add_reference(obj_desc);
/*
* Handle objects with multiple descriptors - walk
@@ -185,13 +176,12 @@ acpi_ns_attach_object (
last_obj_desc->common.next_object = node->object;
}
- node->type = (u8) object_type;
- node->object = obj_desc;
+ node->type = (u8) object_type;
+ node->object = obj_desc;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_detach_object
@@ -206,30 +196,27 @@ acpi_ns_attach_object (
*
******************************************************************************/
-void
-acpi_ns_detach_object (
- struct acpi_namespace_node *node)
+void acpi_ns_detach_object(struct acpi_namespace_node *node)
{
- union acpi_operand_object *obj_desc;
-
-
- ACPI_FUNCTION_TRACE ("ns_detach_object");
+ union acpi_operand_object *obj_desc;
+ ACPI_FUNCTION_TRACE("ns_detach_object");
obj_desc = node->object;
if (!obj_desc ||
- (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_LOCAL_DATA)) {
+ (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA)) {
return_VOID;
}
/* Clear the entry in all cases */
node->object = NULL;
- if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_OPERAND) {
+ if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_OPERAND) {
node->object = obj_desc->common.next_object;
if (node->object &&
- (ACPI_GET_OBJECT_TYPE (node->object) != ACPI_TYPE_LOCAL_DATA)) {
+ (ACPI_GET_OBJECT_TYPE(node->object) !=
+ ACPI_TYPE_LOCAL_DATA)) {
node->object = node->object->common.next_object;
}
}
@@ -238,16 +225,15 @@ acpi_ns_detach_object (
node->type = ACPI_TYPE_ANY;
- ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Node %p [%4.4s] Object %p\n",
- node, acpi_ut_get_node_name (node), obj_desc));
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Node %p [%4.4s] Object %p\n",
+ node, acpi_ut_get_node_name(node), obj_desc));
/* Remove one reference on the object (and all subobjects) */
- acpi_ut_remove_reference (obj_desc);
+ acpi_ut_remove_reference(obj_desc);
return_VOID;
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_get_attached_object
@@ -261,29 +247,28 @@ acpi_ns_detach_object (
*
******************************************************************************/
-union acpi_operand_object *
-acpi_ns_get_attached_object (
- struct acpi_namespace_node *node)
+union acpi_operand_object *acpi_ns_get_attached_object(struct
+ acpi_namespace_node
+ *node)
{
- ACPI_FUNCTION_TRACE_PTR ("ns_get_attached_object", node);
-
+ ACPI_FUNCTION_TRACE_PTR("ns_get_attached_object", node);
if (!node) {
- ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Null Node ptr\n"));
- return_PTR (NULL);
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Null Node ptr\n"));
+ return_PTR(NULL);
}
if (!node->object ||
- ((ACPI_GET_DESCRIPTOR_TYPE (node->object) != ACPI_DESC_TYPE_OPERAND) &&
- (ACPI_GET_DESCRIPTOR_TYPE (node->object) != ACPI_DESC_TYPE_NAMED)) ||
- (ACPI_GET_OBJECT_TYPE (node->object) == ACPI_TYPE_LOCAL_DATA)) {
- return_PTR (NULL);
+ ((ACPI_GET_DESCRIPTOR_TYPE(node->object) != ACPI_DESC_TYPE_OPERAND)
+ && (ACPI_GET_DESCRIPTOR_TYPE(node->object) !=
+ ACPI_DESC_TYPE_NAMED))
+ || (ACPI_GET_OBJECT_TYPE(node->object) == ACPI_TYPE_LOCAL_DATA)) {
+ return_PTR(NULL);
}
- return_PTR (node->object);
+ return_PTR(node->object);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_get_secondary_object
@@ -297,24 +282,23 @@ acpi_ns_get_attached_object (
*
******************************************************************************/
-union acpi_operand_object *
-acpi_ns_get_secondary_object (
- union acpi_operand_object *obj_desc)
+union acpi_operand_object *acpi_ns_get_secondary_object(union
+ acpi_operand_object
+ *obj_desc)
{
- ACPI_FUNCTION_TRACE_PTR ("ns_get_secondary_object", obj_desc);
-
-
- if ((!obj_desc) ||
- (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_LOCAL_DATA) ||
- (!obj_desc->common.next_object) ||
- (ACPI_GET_OBJECT_TYPE (obj_desc->common.next_object) == ACPI_TYPE_LOCAL_DATA)) {
- return_PTR (NULL);
+ ACPI_FUNCTION_TRACE_PTR("ns_get_secondary_object", obj_desc);
+
+ if ((!obj_desc) ||
+ (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) ||
+ (!obj_desc->common.next_object) ||
+ (ACPI_GET_OBJECT_TYPE(obj_desc->common.next_object) ==
+ ACPI_TYPE_LOCAL_DATA)) {
+ return_PTR(NULL);
}
- return_PTR (obj_desc->common.next_object);
+ return_PTR(obj_desc->common.next_object);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_attach_data
@@ -330,23 +314,20 @@ acpi_ns_get_secondary_object (
******************************************************************************/
acpi_status
-acpi_ns_attach_data (
- struct acpi_namespace_node *node,
- acpi_object_handler handler,
- void *data)
+acpi_ns_attach_data(struct acpi_namespace_node *node,
+ acpi_object_handler handler, void *data)
{
- union acpi_operand_object *prev_obj_desc;
- union acpi_operand_object *obj_desc;
- union acpi_operand_object *data_desc;
-
+ union acpi_operand_object *prev_obj_desc;
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *data_desc;
/* We only allow one attachment per handler */
prev_obj_desc = NULL;
obj_desc = node->object;
while (obj_desc) {
- if ((ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_LOCAL_DATA) &&
- (obj_desc->data.handler == handler)) {
+ if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) &&
+ (obj_desc->data.handler == handler)) {
return (AE_ALREADY_EXISTS);
}
@@ -356,7 +337,7 @@ acpi_ns_attach_data (
/* Create an internal object for the data */
- data_desc = acpi_ut_create_internal_object (ACPI_TYPE_LOCAL_DATA);
+ data_desc = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_DATA);
if (!data_desc) {
return (AE_NO_MEMORY);
}
@@ -368,15 +349,13 @@ acpi_ns_attach_data (
if (prev_obj_desc) {
prev_obj_desc->common.next_object = data_desc;
- }
- else {
+ } else {
node->object = data_desc;
}
return (AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_detach_data
@@ -392,27 +371,25 @@ acpi_ns_attach_data (
******************************************************************************/
acpi_status
-acpi_ns_detach_data (
- struct acpi_namespace_node *node,
- acpi_object_handler handler)
+acpi_ns_detach_data(struct acpi_namespace_node * node,
+ acpi_object_handler handler)
{
- union acpi_operand_object *obj_desc;
- union acpi_operand_object *prev_obj_desc;
-
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *prev_obj_desc;
prev_obj_desc = NULL;
obj_desc = node->object;
while (obj_desc) {
- if ((ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_LOCAL_DATA) &&
- (obj_desc->data.handler == handler)) {
+ if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) &&
+ (obj_desc->data.handler == handler)) {
if (prev_obj_desc) {
- prev_obj_desc->common.next_object = obj_desc->common.next_object;
- }
- else {
+ prev_obj_desc->common.next_object =
+ obj_desc->common.next_object;
+ } else {
node->object = obj_desc->common.next_object;
}
- acpi_ut_remove_reference (obj_desc);
+ acpi_ut_remove_reference(obj_desc);
return (AE_OK);
}
@@ -423,7 +400,6 @@ acpi_ns_detach_data (
return (AE_NOT_FOUND);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_get_attached_data
@@ -440,18 +416,15 @@ acpi_ns_detach_data (
******************************************************************************/
acpi_status
-acpi_ns_get_attached_data (
- struct acpi_namespace_node *node,
- acpi_object_handler handler,
- void **data)
+acpi_ns_get_attached_data(struct acpi_namespace_node * node,
+ acpi_object_handler handler, void **data)
{
- union acpi_operand_object *obj_desc;
-
+ union acpi_operand_object *obj_desc;
obj_desc = node->object;
while (obj_desc) {
- if ((ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_LOCAL_DATA) &&
- (obj_desc->data.handler == handler)) {
+ if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) &&
+ (obj_desc->data.handler == handler)) {
*data = obj_desc->data.pointer;
return (AE_OK);
}
@@ -461,5 +434,3 @@ acpi_ns_get_attached_data (
return (AE_NOT_FOUND);
}
-
-