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ACPICA: Update names for walk_namespace callbacks to clarify usage.

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Use of "preorder" and "postorder" was incorrect. The callbacks are
simply invoked during tree ascent and descent during the
depth-first walk.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2013-08-08 15:30:05 +08:00 committed by Rafael J. Wysocki
parent a50abf4842
commit 4ef1750783
4 changed files with 25 additions and 25 deletions
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4
drivers/acpi/acpica/acnamesp.h
View file

@ -104,8 +104,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
acpi_handle start_object,
u32 max_depth,
u32 flags,
acpi_walk_callback pre_order_visit,
acpi_walk_callback post_order_visit,
acpi_walk_callback descending_callback,
acpi_walk_callback ascending_callback,
void *context, void **return_value);
struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node

26
drivers/acpi/acpica/nswalk.c
View file

@ -156,9 +156,9 @@ struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
* max_depth - Depth to which search is to reach
* flags - Whether to unlock the NS before invoking
* the callback routine
* pre_order_visit - Called during tree pre-order visit
* descending_callback - Called during tree descent
* when an object of "Type" is found
* post_order_visit - Called during tree post-order visit
* ascending_callback - Called during tree ascent
* when an object of "Type" is found
* context - Passed to user function(s) above
* return_value - from the user_function if terminated
@ -185,8 +185,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
acpi_handle start_node,
u32 max_depth,
u32 flags,
acpi_walk_callback pre_order_visit,
acpi_walk_callback post_order_visit,
acpi_walk_callback descending_callback,
acpi_walk_callback ascending_callback,
void *context, void **return_value)
{
acpi_status status;
@ -255,22 +255,22 @@ acpi_ns_walk_namespace(acpi_object_type type,
}
/*
* Invoke the user function, either pre-order or post-order
* Invoke the user function, either descending, ascending,
* or both.
*/
if (!node_previously_visited) {
if (pre_order_visit) {
if (descending_callback) {
status =
pre_order_visit(child_node, level,
context,
return_value);
descending_callback(child_node,
level, context,
return_value);
}
} else {
if (post_order_visit) {
if (ascending_callback) {
status =
post_order_visit(child_node, level,
context,
return_value);
ascending_callback(child_node,
level, context,
return_value);
}
}

16
drivers/acpi/acpica/nsxfeval.c
View file

@ -533,9 +533,9 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info)
* PARAMETERS: type - acpi_object_type to search for
* start_object - Handle in namespace where search begins
* max_depth - Depth to which search is to reach
* pre_order_visit - Called during tree pre-order visit
* descending_callback - Called during tree descent
* when an object of "Type" is found
* post_order_visit - Called during tree post-order visit
* ascending_callback - Called during tree ascent
* when an object of "Type" is found
* context - Passed to user function(s) above
* return_value - Location where return value of
@ -563,8 +563,8 @@ acpi_status
acpi_walk_namespace(acpi_object_type type,
acpi_handle start_object,
u32 max_depth,
acpi_walk_callback pre_order_visit,
acpi_walk_callback post_order_visit,
acpi_walk_callback descending_callback,
acpi_walk_callback ascending_callback,
void *context, void **return_value)
{
acpi_status status;
@ -574,7 +574,7 @@ acpi_walk_namespace(acpi_object_type type,
/* Parameter validation */
if ((type > ACPI_TYPE_LOCAL_MAX) ||
(!max_depth) || (!pre_order_visit && !post_order_visit)) {
(!max_depth) || (!descending_callback && !ascending_callback)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@ -606,9 +606,9 @@ acpi_walk_namespace(acpi_object_type type,
}
status = acpi_ns_walk_namespace(type, start_object, max_depth,
ACPI_NS_WALK_UNLOCK, pre_order_visit,
post_order_visit, context,
return_value);
ACPI_NS_WALK_UNLOCK,
descending_callback, ascending_callback,
context, return_value);
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);

4
include/acpi/acpixf.h
View file

@ -212,8 +212,8 @@ acpi_status
acpi_walk_namespace(acpi_object_type type,
acpi_handle start_object,
u32 max_depth,
acpi_walk_callback pre_order_visit,
acpi_walk_callback post_order_visit,
acpi_walk_callback descending_callback,
acpi_walk_callback ascending_callback,
void *context, void **return_value);
acpi_status