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authorAnton Altaparmakov <aia21@cantab.net>2005-09-09 02:03:30 +0400
committerAnton Altaparmakov <aia21@cantab.net>2005-09-09 02:03:30 +0400
commit223176bc722a7bf519904180e956292ae1d1e819 (patch)
tree75b84d09c4b6eed81e537a4e587236f05faa5b7d /drivers/acpi/namespace/nssearch.c
parent7d333d6c739a5cd6d60102ea1a9940cbbb0546ec (diff)
parent1b11d78cf87a7014f96e5b7fa2e1233cc8081a00 (diff)
downloadlinux-223176bc722a7bf519904180e956292ae1d1e819.tar.xz
Merge branch 'master' of /usr/src/linux-2.6
Diffstat (limited to 'drivers/acpi/namespace/nssearch.c')
-rw-r--r--drivers/acpi/namespace/nssearch.c205
1 files changed, 98 insertions, 107 deletions
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index af8aaa9cc4f3..50a3ca5470ed 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -41,23 +41,18 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
-
#define _COMPONENT ACPI_NAMESPACE
- ACPI_MODULE_NAME ("nssearch")
+ACPI_MODULE_NAME("nssearch")
/* Local prototypes */
-
static acpi_status
-acpi_ns_search_parent_tree (
- u32 target_name,
- struct acpi_namespace_node *node,
- acpi_object_type type,
- struct acpi_namespace_node **return_node);
-
+acpi_ns_search_parent_tree(u32 target_name,
+ struct acpi_namespace_node *node,
+ acpi_object_type type,
+ struct acpi_namespace_node **return_node);
/*******************************************************************************
*
@@ -87,30 +82,28 @@ acpi_ns_search_parent_tree (
******************************************************************************/
acpi_status
-acpi_ns_search_node (
- u32 target_name,
- struct acpi_namespace_node *node,
- acpi_object_type type,
- struct acpi_namespace_node **return_node)
+acpi_ns_search_node(u32 target_name,
+ struct acpi_namespace_node *node,
+ acpi_object_type type,
+ struct acpi_namespace_node **return_node)
{
- struct acpi_namespace_node *next_node;
-
-
- ACPI_FUNCTION_TRACE ("ns_search_node");
+ struct acpi_namespace_node *next_node;
+ ACPI_FUNCTION_TRACE("ns_search_node");
#ifdef ACPI_DEBUG_OUTPUT
if (ACPI_LV_NAMES & acpi_dbg_level) {
- char *scope_name;
+ char *scope_name;
- scope_name = acpi_ns_get_external_pathname (node);
+ scope_name = acpi_ns_get_external_pathname(node);
if (scope_name) {
- ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
- "Searching %s (%p) For [%4.4s] (%s)\n",
- scope_name, node, (char *) &target_name,
- acpi_ut_get_type_name (type)));
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "Searching %s (%p) For [%4.4s] (%s)\n",
+ scope_name, node,
+ (char *)&target_name,
+ acpi_ut_get_type_name(type)));
- ACPI_MEM_FREE (scope_name);
+ ACPI_MEM_FREE(scope_name);
}
}
#endif
@@ -126,20 +119,26 @@ acpi_ns_search_node (
if (next_node->name.integer == target_name) {
/* Resolve a control method alias if any */
- if (acpi_ns_get_type (next_node) == ACPI_TYPE_LOCAL_METHOD_ALIAS) {
- next_node = ACPI_CAST_PTR (struct acpi_namespace_node, next_node->object);
+ if (acpi_ns_get_type(next_node) ==
+ ACPI_TYPE_LOCAL_METHOD_ALIAS) {
+ next_node =
+ ACPI_CAST_PTR(struct acpi_namespace_node,
+ next_node->object);
}
/*
* Found matching entry.
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
- "Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
- (char *) &target_name, acpi_ut_get_type_name (next_node->type),
- next_node, acpi_ut_get_node_name (node), node));
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
+ (char *)&target_name,
+ acpi_ut_get_type_name(next_node->
+ type),
+ next_node,
+ acpi_ut_get_node_name(node), node));
*return_node = next_node;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/*
@@ -159,15 +158,14 @@ acpi_ns_search_node (
/* Searched entire namespace level, not found */
- ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
- "Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n",
- (char *) &target_name, acpi_ut_get_type_name (type),
- acpi_ut_get_node_name (node), node, node->child));
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n",
+ (char *)&target_name, acpi_ut_get_type_name(type),
+ acpi_ut_get_node_name(node), node, node->child));
- return_ACPI_STATUS (AE_NOT_FOUND);
+ return_ACPI_STATUS(AE_NOT_FOUND);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_search_parent_tree
@@ -194,43 +192,42 @@ acpi_ns_search_node (
******************************************************************************/
static acpi_status
-acpi_ns_search_parent_tree (
- u32 target_name,
- struct acpi_namespace_node *node,
- acpi_object_type type,
- struct acpi_namespace_node **return_node)
+acpi_ns_search_parent_tree(u32 target_name,
+ struct acpi_namespace_node *node,
+ acpi_object_type type,
+ struct acpi_namespace_node **return_node)
{
- acpi_status status;
- struct acpi_namespace_node *parent_node;
+ acpi_status status;
+ struct acpi_namespace_node *parent_node;
+ ACPI_FUNCTION_TRACE("ns_search_parent_tree");
- ACPI_FUNCTION_TRACE ("ns_search_parent_tree");
-
-
- parent_node = acpi_ns_get_parent_node (node);
+ parent_node = acpi_ns_get_parent_node(node);
/*
* If there is no parent (i.e., we are at the root) or type is "local",
* we won't be searching the parent tree.
*/
if (!parent_node) {
- ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "[%4.4s] has no parent\n",
- (char *) &target_name));
- return_ACPI_STATUS (AE_NOT_FOUND);
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "[%4.4s] has no parent\n",
+ (char *)&target_name));
+ return_ACPI_STATUS(AE_NOT_FOUND);
}
- if (acpi_ns_local (type)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
- "[%4.4s] type [%s] must be local to this scope (no parent search)\n",
- (char *) &target_name, acpi_ut_get_type_name (type)));
- return_ACPI_STATUS (AE_NOT_FOUND);
+ if (acpi_ns_local(type)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "[%4.4s] type [%s] must be local to this scope (no parent search)\n",
+ (char *)&target_name,
+ acpi_ut_get_type_name(type)));
+ return_ACPI_STATUS(AE_NOT_FOUND);
}
/* Search the parent tree */
- ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
- "Searching parent [%4.4s] for [%4.4s]\n",
- acpi_ut_get_node_name (parent_node), (char *) &target_name));
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "Searching parent [%4.4s] for [%4.4s]\n",
+ acpi_ut_get_node_name(parent_node),
+ (char *)&target_name));
/*
* Search parents until target is found or we have backed up to the root
@@ -241,25 +238,24 @@ acpi_ns_search_parent_tree (
* object type at this point, we only care about the existence of
* the actual name we are searching for. Typechecking comes later.
*/
- status = acpi_ns_search_node (target_name, parent_node,
- ACPI_TYPE_ANY, return_node);
- if (ACPI_SUCCESS (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ns_search_node(target_name, parent_node,
+ ACPI_TYPE_ANY, return_node);
+ if (ACPI_SUCCESS(status)) {
+ return_ACPI_STATUS(status);
}
/*
* Not found here, go up another level
* (until we reach the root)
*/
- parent_node = acpi_ns_get_parent_node (parent_node);
+ parent_node = acpi_ns_get_parent_node(parent_node);
}
/* Not found in parent tree */
- return_ACPI_STATUS (AE_NOT_FOUND);
+ return_ACPI_STATUS(AE_NOT_FOUND);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_search_and_enter
@@ -286,52 +282,46 @@ acpi_ns_search_parent_tree (
******************************************************************************/
acpi_status
-acpi_ns_search_and_enter (
- u32 target_name,
- struct acpi_walk_state *walk_state,
- struct acpi_namespace_node *node,
- acpi_interpreter_mode interpreter_mode,
- acpi_object_type type,
- u32 flags,
- struct acpi_namespace_node **return_node)
+acpi_ns_search_and_enter(u32 target_name,
+ struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node *node,
+ acpi_interpreter_mode interpreter_mode,
+ acpi_object_type type,
+ u32 flags, struct acpi_namespace_node **return_node)
{
- acpi_status status;
- struct acpi_namespace_node *new_node;
-
-
- ACPI_FUNCTION_TRACE ("ns_search_and_enter");
+ acpi_status status;
+ struct acpi_namespace_node *new_node;
+ ACPI_FUNCTION_TRACE("ns_search_and_enter");
/* Parameter validation */
if (!node || !target_name || !return_node) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Null param: Node %p Name %X return_node %p\n",
- node, target_name, return_node));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Null param: Node %p Name %X return_node %p\n",
+ node, target_name, return_node));
- ACPI_REPORT_ERROR (("ns_search_and_enter: Null parameter\n"));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ ACPI_REPORT_ERROR(("ns_search_and_enter: Null parameter\n"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Name must consist of printable characters */
- if (!acpi_ut_valid_acpi_name (target_name)) {
- ACPI_REPORT_ERROR (("ns_search_and_enter: Bad character in ACPI Name: %X\n",
- target_name));
- return_ACPI_STATUS (AE_BAD_CHARACTER);
+ if (!acpi_ut_valid_acpi_name(target_name)) {
+ ACPI_REPORT_ERROR(("ns_search_and_enter: Bad character in ACPI Name: %X\n", target_name));
+ return_ACPI_STATUS(AE_BAD_CHARACTER);
}
/* Try to find the name in the namespace level specified by the caller */
*return_node = ACPI_ENTRY_NOT_FOUND;
- status = acpi_ns_search_node (target_name, node, type, return_node);
+ status = acpi_ns_search_node(target_name, node, type, return_node);
if (status != AE_NOT_FOUND) {
/*
* If we found it AND the request specifies that a find is an error,
* return the error
*/
- if ((status == AE_OK) &&
- (flags & ACPI_NS_ERROR_IF_FOUND)) {
+ if ((status == AE_OK) && (flags & ACPI_NS_ERROR_IF_FOUND)) {
status = AE_ALREADY_EXISTS;
}
@@ -339,7 +329,7 @@ acpi_ns_search_and_enter (
* Either found it or there was an error
* -- finished either way
*/
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
/*
@@ -351,14 +341,16 @@ acpi_ns_search_and_enter (
* and during the execution phase.
*/
if ((interpreter_mode != ACPI_IMODE_LOAD_PASS1) &&
- (flags & ACPI_NS_SEARCH_PARENT)) {
+ (flags & ACPI_NS_SEARCH_PARENT)) {
/*
* Not found at this level - search parent tree according to the
* ACPI specification
*/
- status = acpi_ns_search_parent_tree (target_name, node, type, return_node);
- if (ACPI_SUCCESS (status)) {
- return_ACPI_STATUS (status);
+ status =
+ acpi_ns_search_parent_tree(target_name, node, type,
+ return_node);
+ if (ACPI_SUCCESS(status)) {
+ return_ACPI_STATUS(status);
}
}
@@ -366,25 +358,24 @@ acpi_ns_search_and_enter (
* In execute mode, just search, never add names. Exit now.
*/
if (interpreter_mode == ACPI_IMODE_EXECUTE) {
- ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
- "%4.4s Not found in %p [Not adding]\n",
- (char *) &target_name, node));
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "%4.4s Not found in %p [Not adding]\n",
+ (char *)&target_name, node));
- return_ACPI_STATUS (AE_NOT_FOUND);
+ return_ACPI_STATUS(AE_NOT_FOUND);
}
/* Create the new named object */
- new_node = acpi_ns_create_node (target_name);
+ new_node = acpi_ns_create_node(target_name);
if (!new_node) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Install the new object into the parent's list of children */
- acpi_ns_install_node (walk_state, node, new_node, type);
+ acpi_ns_install_node(walk_state, node, new_node, type);
*return_node = new_node;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-