/home/lenb/src/to-akpm branch 'acpi-2.6.12'

91 files changed, 3882 insertions, 3015 deletions

diff --git a/Documentation/acpi-hotkey.txt b/Documentation/acpi-hotkey.txt
index 4c115a7bb82..d57b02a4746 100644
--- a/Documentation/acpi-hotkey.txt
+++ b/Documentation/acpi-hotkey.txt
@@ -33,3 +33,6 @@ The result of the execution of this aml method is
 attached to /proc/acpi/hotkey/poll_method, which is dnyamically
 created.  Please use command "cat /proc/acpi/hotkey/polling_method" 
 to retrieve it.
+
+Note: Use cmdline "acpi_specific_hotkey" to enable legacy platform
+specific drivers.
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index d7790db5017..bcd1d472b90 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -86,20 +86,20 @@ acpi_ds_init_one_object (
 	void                            *context,
 	void                            **return_value)
 {
+	struct acpi_init_walk_info      *info = (struct acpi_init_walk_info *) context;
+	struct acpi_namespace_node      *node = (struct acpi_namespace_node *) obj_handle;
 	acpi_object_type                type;
 	acpi_status                     status;
-	struct acpi_init_walk_info      *info = (struct acpi_init_walk_info *) context;
 
 
 	ACPI_FUNCTION_NAME ("ds_init_one_object");
 
 
 	/*
-	 * We are only interested in objects owned by the table that
+	 * We are only interested in NS nodes owned by the table that
 	 * was just loaded
 	 */
-	if (((struct acpi_namespace_node *) obj_handle)->owner_id !=
-			info->table_desc->table_id) {
+	if (node->owner_id != info->table_desc->owner_id) {
 		return (AE_OK);
 	}
 
@@ -126,8 +126,6 @@ acpi_ds_init_one_object (
 
 	case ACPI_TYPE_METHOD:
 
-		info->method_count++;
-
 		/*
 		 * Print a dot for each method unless we are going to print
 		 * the entire pathname
@@ -143,7 +141,7 @@ acpi_ds_init_one_object (
 		 * on a per-table basis. Currently, we just use a global for the width.
 		 */
 		if (info->table_desc->pointer->revision == 1) {
-			((struct acpi_namespace_node *) obj_handle)->flags |= ANOBJ_DATA_WIDTH_32;
+			node->flags |= ANOBJ_DATA_WIDTH_32;
 		}
 
 		/*
@@ -153,22 +151,14 @@ acpi_ds_init_one_object (
 		status = acpi_ds_parse_method (obj_handle);
 		if (ACPI_FAILURE (status)) {
 			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-				"Method %p [%4.4s] - parse failure, %s\n",
+				"\n+Method %p [%4.4s] - parse failure, %s\n",
 				obj_handle, acpi_ut_get_node_name (obj_handle),
 				acpi_format_exception (status)));
 
 			/* This parse failed, but we will continue parsing more methods */
-
-			break;
 		}
 
-		/*
-		 * Delete the parse tree.  We simply re-parse the method
-		 * for every execution since there isn't much overhead
-		 */
-		acpi_ns_delete_namespace_subtree (obj_handle);
-		acpi_ns_delete_namespace_by_owner (
-			((struct acpi_namespace_node *) obj_handle)->object->method.owning_id);
+		info->method_count++;
 		break;
 
 
@@ -237,7 +227,7 @@ acpi_ds_initialize_objects (
 
 	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
 		"\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
-		table_desc->pointer->signature, table_desc->table_id, info.object_count,
+		table_desc->pointer->signature, table_desc->owner_id, info.object_count,
 		info.device_count, info.method_count, info.op_region_count));
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 9fc3f4c033e..e344c06ed33 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -58,12 +58,11 @@
  *
  * FUNCTION:    acpi_ds_parse_method
  *
- * PARAMETERS:  obj_handle      - Method node
+ * PARAMETERS:  Node        - Method node
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Call the parser and parse the AML that is associated with the
- *              method.
+ * DESCRIPTION: Parse the AML that is associated with the method.
  *
  * MUTEX:       Assumes parser is locked
  *
@@ -71,31 +70,28 @@
 
 acpi_status
 acpi_ds_parse_method (
-	acpi_handle                     obj_handle)
+	struct acpi_namespace_node      *node)
 {
 	acpi_status                     status;
 	union acpi_operand_object       *obj_desc;
 	union acpi_parse_object         *op;
-	struct acpi_namespace_node      *node;
-	acpi_owner_id                   owner_id;
 	struct acpi_walk_state          *walk_state;
 
 
-	ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", obj_handle);
+	ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", node);
 
 
 	/* Parameter Validation */
 
-	if (!obj_handle) {
+	if (!node) {
 		return_ACPI_STATUS (AE_NULL_ENTRY);
 	}
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Parsing [%4.4s] **** named_obj=%p\n",
-		acpi_ut_get_node_name (obj_handle), obj_handle));
+		acpi_ut_get_node_name (node), node));
 
 	/* Extract the method object from the method Node */
 
-	node = (struct acpi_namespace_node *) obj_handle;
 	obj_desc = acpi_ns_get_attached_object (node);
 	if (!obj_desc) {
 		return_ACPI_STATUS (AE_NULL_OBJECT);
@@ -132,14 +128,18 @@ acpi_ds_parse_method (
 	 * objects (such as Operation Regions) can be created during the
 	 * first pass parse.
 	 */
-	owner_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
-	obj_desc->method.owning_id = owner_id;
+	status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
+	if (ACPI_FAILURE (status)) {
+		goto cleanup;
+	}
 
 	/* Create and initialize a new walk state */
 
-	walk_state = acpi_ds_create_walk_state (owner_id, NULL, NULL, NULL);
+	walk_state = acpi_ds_create_walk_state (
+			  obj_desc->method.owner_id, NULL, NULL, NULL);
 	if (!walk_state) {
-		return_ACPI_STATUS (AE_NO_MEMORY);
+		status = AE_NO_MEMORY;
+		goto cleanup2;
 	}
 
 	status = acpi_ds_init_aml_walk (walk_state, op, node,
@@ -147,7 +147,7 @@ acpi_ds_parse_method (
 			  obj_desc->method.aml_length, NULL, 1);
 	if (ACPI_FAILURE (status)) {
 		acpi_ds_delete_walk_state (walk_state);
-		return_ACPI_STATUS (status);
+		goto cleanup2;
 	}
 
 	/*
@@ -161,13 +161,25 @@ acpi_ds_parse_method (
 	 */
 	status = acpi_ps_parse_aml (walk_state);
 	if (ACPI_FAILURE (status)) {
-		return_ACPI_STATUS (status);
+		goto cleanup2;
 	}
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
 		"**** [%4.4s] Parsed **** named_obj=%p Op=%p\n",
-		acpi_ut_get_node_name (obj_handle), obj_handle, op));
+		acpi_ut_get_node_name (node), node, op));
+
+	/*
+	 * Delete the parse tree. We simply re-parse the method for every
+	 * execution since there isn't much overhead (compared to keeping lots
+	 * of parse trees around)
+	 */
+	acpi_ns_delete_namespace_subtree (node);
+	acpi_ns_delete_namespace_by_owner (obj_desc->method.owner_id);
+
+cleanup2:
+	acpi_ut_release_owner_id (&obj_desc->method.owner_id);
 
+cleanup:
 	acpi_ps_delete_parse_tree (op);
 	return_ACPI_STATUS (status);
 }
@@ -263,7 +275,7 @@ acpi_ds_call_control_method (
 {
 	acpi_status                     status;
 	struct acpi_namespace_node      *method_node;
-	struct acpi_walk_state          *next_walk_state;
+	struct acpi_walk_state          *next_walk_state = NULL;
 	union acpi_operand_object       *obj_desc;
 	struct acpi_parameter_info      info;
 	u32                             i;
@@ -287,20 +299,23 @@ acpi_ds_call_control_method (
 		return_ACPI_STATUS (AE_NULL_OBJECT);
 	}
 
-	obj_desc->method.owning_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
+	status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
 
 	/* Init for new method, wait on concurrency semaphore */
 
 	status = acpi_ds_begin_method_execution (method_node, obj_desc,
 			  this_walk_state->method_node);
 	if (ACPI_FAILURE (status)) {
-		return_ACPI_STATUS (status);
+		goto cleanup;
 	}
 
 	if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) {
 		/* 1) Parse: Create a new walk state for the preempting walk */
 
-		next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+		next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
 				  op, obj_desc, NULL);
 		if (!next_walk_state) {
 			return_ACPI_STATUS (AE_NO_MEMORY);
@@ -330,7 +345,7 @@ acpi_ds_call_control_method (
 
 	/* 2) Execute: Create a new state for the preempting walk */
 
-	next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+	next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
 			  NULL, obj_desc, thread);
 	if (!next_walk_state) {
 		status = AE_NO_MEMORY;
@@ -381,6 +396,7 @@ acpi_ds_call_control_method (
 	/* On error, we must delete the new walk state */
 
 cleanup:
+	acpi_ut_release_owner_id (&obj_desc->method.owner_id);
 	if (next_walk_state && (next_walk_state->method_desc)) {
 		/* Decrement the thread count on the method parse tree */
 
@@ -552,8 +568,7 @@ acpi_ds_terminate_control_method (
 		 */
 		if ((walk_state->method_desc->method.concurrency == 1) &&
 			(!walk_state->method_desc->method.semaphore)) {
-			status = acpi_os_create_semaphore (1,
-					 1,
+			status = acpi_os_create_semaphore (1, 1,
 					 &walk_state->method_desc->method.semaphore);
 		}
 
@@ -582,8 +597,10 @@ acpi_ds_terminate_control_method (
 		 * Delete any namespace entries created anywhere else within
 		 * the namespace
 		 */
-		acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owning_id);
+		acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owner_id);
 		status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+		acpi_ut_release_owner_id (&walk_state->method_desc->method.owner_id);
+
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index f7998306f75..c83d53fd639 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -633,22 +633,11 @@ acpi_ds_store_object_to_local (
 		 */
 		if (opcode == AML_ARG_OP) {
 			/*
-			 * Make sure that the object is the correct type.  This may be
-			 * overkill, butit is here because references were NS nodes in
-			 *  the past.  Now they are operand objects of type Reference.
-			 */
-			if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) {
-				ACPI_REPORT_ERROR ((
-					"Invalid descriptor type while storing to method arg: [%s]\n",
-					acpi_ut_get_descriptor_name (current_obj_desc)));
-				return_ACPI_STATUS (AE_AML_INTERNAL);
-			}
-
-			/*
 			 * If we have a valid reference object that came from ref_of(),
 			 * do the indirect store
 			 */
-			if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
+			if ((ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) == ACPI_DESC_TYPE_OPERAND) &&
+				(current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
 				(current_obj_desc->reference.opcode == AML_REF_OF_OP)) {
 				ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 						"Arg (%p) is an obj_ref(Node), storing in node %p\n",
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index bfbae4e4c66..1eee2d54180 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -547,6 +547,9 @@ acpi_ds_init_object_from_op (
 		case AML_TYPE_LITERAL:
 
 			obj_desc->integer.value = op->common.value.integer;
+#ifndef ACPI_NO_METHOD_EXECUTION
+			acpi_ex_truncate_for32bit_table (obj_desc);
+#endif
 			break;
 
 
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index ba13bca28be..750bdb1ac34 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -119,14 +119,15 @@ acpi_ds_execute_arguments (
 
 	walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
 	if (!walk_state) {
-		return_ACPI_STATUS (AE_NO_MEMORY);
+		status = AE_NO_MEMORY;
+		goto cleanup;
 	}
 
 	status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start,
 			  aml_length, NULL, 1);
 	if (ACPI_FAILURE (status)) {
 		acpi_ds_delete_walk_state (walk_state);
-		return_ACPI_STATUS (status);
+		goto cleanup