Merge branch 'master' of /home/shaggy/git/linus-clean/

1 files changed, 0 insertions, 676 deletions

diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
deleted file mode 100644
index d197c6b29e17..000000000000
--- a/drivers/acpi/utilities/utdelete.c
+++ /dev/null
@@ -1,676 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: utdelete - object deletion and reference count utilities
- *
- ******************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-
-#define _COMPONENT          ACPI_UTILITIES
-ACPI_MODULE_NAME("utdelete")
-
-/* Local prototypes */
-static void acpi_ut_delete_internal_obj(union acpi_operand_object *object);
-
-static void
-acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_internal_obj
- *
- * PARAMETERS:  Object         - Object to be deleted
- *
- * RETURN:      None
- *
- * DESCRIPTION: Low level object deletion, after reference counts have been
- *              updated (All reference counts, including sub-objects!)
- *
- ******************************************************************************/
-
-static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
-{
-	void *obj_pointer = NULL;
-	union acpi_operand_object *handler_desc;
-	union acpi_operand_object *second_desc;
-	union acpi_operand_object *next_desc;
-
-	ACPI_FUNCTION_TRACE_PTR(ut_delete_internal_obj, object);
-
-	if (!object) {
-		return_VOID;
-	}
-
-	/*
-	 * Must delete or free any pointers within the object that are not
-	 * actual ACPI objects (for example, a raw buffer pointer).
-	 */
-	switch (ACPI_GET_OBJECT_TYPE(object)) {
-	case ACPI_TYPE_STRING:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "**** String %p, ptr %p\n", object,
-				  object->string.pointer));
-
-		/* Free the actual string buffer */
-
-		if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
-
-			/* But only if it is NOT a pointer into an ACPI table */
-
-			obj_pointer = object->string.pointer;
-		}
-		break;
-
-	case ACPI_TYPE_BUFFER:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "**** Buffer %p, ptr %p\n", object,
-				  object->buffer.pointer));
-
-		/* Free the actual buffer */
-
-		if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
-
-			/* But only if it is NOT a pointer into an ACPI table */
-
-			obj_pointer = object->buffer.pointer;
-		}
-		break;
-
-	case ACPI_TYPE_PACKAGE:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  " **** Package of count %X\n",
-				  object->package.count));
-
-		/*
-		 * Elements of the package are not handled here, they are deleted
-		 * separately
-		 */
-
-		/* Free the (variable length) element pointer array */
-
-		obj_pointer = object->package.elements;
-		break;
-
-		/*
-		 * These objects have a possible list of notify handlers.
-		 * Device object also may have a GPE block.
-		 */
-	case ACPI_TYPE_DEVICE:
-
-		if (object->device.gpe_block) {
-			(void)acpi_ev_delete_gpe_block(object->device.
-						       gpe_block);
-		}
-
-		/*lint -fallthrough */
-
-	case ACPI_TYPE_PROCESSOR:
-	case ACPI_TYPE_THERMAL:
-
-		/* Walk the notify handler list for this object */
-
-		handler_desc = object->common_notify.handler;
-		while (handler_desc) {
-			next_desc = handler_desc->address_space.next;
-			acpi_ut_remove_reference(handler_desc);
-			handler_desc = next_desc;
-		}
-		break;
-
-	case ACPI_TYPE_MUTEX:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "***** Mutex %p, OS Mutex %p\n",
-				  object, object->mutex.os_mutex));
-
-		if (object == acpi_gbl_global_lock_mutex) {
-
-			/* Global Lock has extra semaphore */
-
-			(void)
-			    acpi_os_delete_semaphore
-			    (acpi_gbl_global_lock_semaphore);
-			acpi_gbl_global_lock_semaphore = NULL;
-
-			acpi_os_delete_mutex(object->mutex.os_mutex);
-			acpi_gbl_global_lock_mutex = NULL;
-		} else {
-			acpi_ex_unlink_mutex(object);
-			acpi_os_delete_mutex(object->mutex.os_mutex);
-		}
-		break;
-
-	case ACPI_TYPE_EVENT:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "***** Event %p, OS Semaphore %p\n",
-				  object, object->event.os_semaphore));
-
-		(void)acpi_os_delete_semaphore(object->event.os_semaphore);
-		object->event.os_semaphore = NULL;
-		break;
-
-	case ACPI_TYPE_METHOD:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "***** Method %p\n", object));
-
-		/* Delete the method mutex if it exists */
-
-		if (object->method.mutex) {
-			acpi_os_delete_mutex(object->method.mutex->mutex.
-					     os_mutex);
-			acpi_ut_delete_object_desc(object->method.mutex);
-			object->method.mutex = NULL;
-		}
-		break;
-
-	case ACPI_TYPE_REGION:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "***** Region %p\n", object));
-
-		second_desc = acpi_ns_get_secondary_object(object);
-		if (second_desc) {
-			/*
-			 * Free the region_context if and only if the handler is one of the
-			 * default handlers -- and therefore, we created the context object
-			 * locally, it was not created by an external caller.
-			 */
-			handler_desc = object->region.handler;
-			if (handler_desc) {
-				if (handler_desc->address_space.handler_flags &
-				    ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
-
-					/* Deactivate region and free region context */
-
-					if (handler_desc->address_space.setup) {
-						(void)handler_desc->
-						    address_space.setup(object,
-									ACPI_REGION_DEACTIVATE,
-									handler_desc->
-									address_space.
-									context,
-									&second_desc->
-									extra.
-									region_context);
-					}
-				}
-
-				acpi_ut_remove_reference(handler_desc);
-			}
-
-			/* Now we can free the Extra object */
-
-			acpi_ut_delete_object_desc(second_desc);
-		}
-		break;
-
-	case ACPI_TYPE_BUFFER_FIELD:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "***** Buffer Field %p\n", object));
-
-		second_desc = acpi_ns_get_secondary_object(object);
-		if (second_desc) {
-			acpi_ut_delete_object_desc(second_desc);
-		}
-		break;
-
-	case ACPI_TYPE_LOCAL_BANK_FIELD:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "***** Bank Field %p\n", object));
-
-		second_desc = acpi_ns_get_secondary_object(object);
-		if (second_desc) {
-			acpi_ut_delete_object_desc(second_desc);
-		}
-		break;
-
-	default:
-		break;
-	}
-
-	/* Free any allocated memory (pointer within the object) found above */
-
-	if (obj_pointer) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "Deleting Object Subptr %p\n", obj_pointer));
-		ACPI_FREE(obj_pointer);
-	}
-
-	/* Now the object can be safely deleted */
-
-	ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Deleting Object %p [%s]\n",
-			  object, acpi_ut_get_object_type_name(object)));
-
-	acpi_ut_delete_object_desc(object);
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_internal_object_list
- *
- * PARAMETERS:  obj_list        - Pointer to the list to be deleted
- *
- * RETURN:      None
- *
- * DESCRIPTION: This function deletes an internal object list, including both
- *              simple objects and package objects
- *
- ******************************************************************************/
-
-void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
-{
-	union acpi_operand_object **internal_obj;
-
-	ACPI_FUNCTION_TRACE(ut_delete_internal_object_list);
-
-	/* Walk the null-terminated internal list */
-
-	for (internal_obj = obj_list; *internal_obj; internal_obj++) {
-		acpi_ut_remove_reference(*internal_obj);
-	}
-
-	/* Free the combined parameter pointer list and object array */
-
-	ACPI_FREE(obj_list);
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_update_ref_count
- *
- * PARAMETERS:  Object          - Object whose ref count is to be updated
- *              Action          - What to do
- *
- * RETURN:      New ref count
- *
- * DESCRIPTION: Modify the ref count and return it.
- *
- ******************************************************************************/
-
-static void
-acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
-{
-	u16 count;
-	u16 new_count;
-
-	ACPI_FUNCTION_NAME(ut_update_ref_count);
-
-	if (!object) {
-		return;
-	}
-
-	count = object->common.reference_count;
-	new_count = count;
-
-	/*
-	 * Perform the reference count action (increment, decrement, force delete)
-	 */
-	switch (action) {
-	case REF_INCREMENT:
-
-		new_count++;
-		object->common.reference_count = new_count;
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "Obj %p Refs=%X, [Incremented]\n",
-				  object, new_count));
-		break;
-
-	case REF_DECREMENT:
-
-		if (count < 1) {
-			ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-					  "Obj %p Refs=%X, can't decrement! (Set to 0)\n",
-					  object, new_count));
-
-			new_count = 0;
-		} else {
-			new_count--;
-
-			ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-					  "Obj %p Refs=%X, [Decremented]\n",
-					  object, new_count));
-		}
-
-		if (ACPI_GET_OBJECT_TYPE(object) == ACPI_TYPE_METHOD) {
-			ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-					  "Method Obj %p Refs=%X, [Decremented]\n",
-					  object, new_count));
-		}
-
-		object->common.reference_count = new_count;
-		if (new_count == 0) {
-			acpi_ut_delete_internal_obj(object);
-		}
-		break;
-
-	case REF_FORCE_DELETE:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "Obj %p Refs=%X, Force delete! (Set to 0)\n",
-				  object, count));
-
-		new_count = 0;
-		object->common.reference_count = new_count;
-		acpi_ut_delete_internal_obj(object);
-		break;
-
-	default:
-
-		ACPI_ERROR((AE_INFO, "Unknown action (%X)", action));
-		break;
-	}
-
-	/*
-	 * Sanity check the reference count, for debug purposes only.
-	 * (A deleted object will have a huge reference count)
-	 */
-	if (count > ACPI_MAX_REFERENCE_COUNT) {
-		ACPI_WARNING((AE_INFO,
-			      "Large Reference Count (%X) in object %p", count,
-			      object));
-	}
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_update_object_reference
- *
- * PARAMETERS:  Object              - Increment ref count for this object
- *                                    and all sub-objects
- *              Action              - Either REF_INCREMENT or REF_DECREMENT or
- *                                    REF_FORCE_DELETE
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Increment the object reference count
- *
- * Object references are incremented when:
- * 1) An object is attached to a Node (namespace object)
- * 2) An object is copied (all subobjects must be incremented)
- *
- * Object references are decremented when:
- * 1) An object is detached from an Node
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
-{
-	acpi_status status = AE_OK;
-	union acpi_generic_state *state_list = NULL;
-	union acpi_operand_object *next_object = NULL;
-	union acpi_generic_state *state;
-	u32 i;
-
-	ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object);
-
-	while (object) {
-
-		/* Make sure that this isn't a namespace handle */
-
-		if (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) {
-			ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-					  "Object %p is NS handle\n", object));
-			return_ACPI_STATUS(AE_OK);
-		}
-
-		/*
-		 * All sub-objects must have their reference count incremented also.
-		 * Different object types have different subobjects.
-		 */
-		switch (ACPI_GET_OBJECT_TYPE(object)) {
-		case ACPI_TYPE_DEVICE:
-		case ACPI_TYPE_PROCESSOR:
-		case ACPI_TYPE_POWER:
-		case ACPI_TYPE_THERMAL:
-
-			/* Update the notify objects for these types (if present) */
-
-			acpi_ut_update_ref_count(object->common_notify.
-						 system_notify, action);
-			acpi_ut_update_ref_count(object->common_notify.
-						 device_notify, action);
-			break;
-
-		case ACPI_TYPE_PACKAGE:
-			/*
-			 * We must update all the sub-objects of the package,
-			 * each of whom may have their own sub-objects.
-			 */
-			for (i = 0; i < object->package.count; i++) {
-				/*
-				 * Push each element onto the stack for later processing.
-				 * Note: There can be null elements within the package,
-				 * these are simply ignored
-				 */
-				status =
-				    acpi_ut_create_update_state_and_push
-				    (object->package.elements[i], action,
-				     &state_list);
-				if (ACPI_FAILURE(status)) {
-					goto error_exit;
-				}
-			}
-			break;
-
-		case ACPI_TYPE_BUFFER_FIELD:
-
-			next_object = object->buffer_field.buffer_obj;
-			break;
-
-		case ACPI_TYPE_LOCAL_REGION_FIELD:
-
-			next_object = object->field.region_obj;
-			break;
-
-		case ACPI_TYPE_LOCAL_BANK_FIELD:
-
-			next_object = object->bank_field.bank_obj;
-			status =
-			    acpi_ut_create_update_state_and_push(object->
-								 bank_field.
-								 region_obj,
-								 action,
-								 &state_list);
-			if (ACPI_FAILURE(status)) {
-				goto error_exit;
-			}
-			break;
-
-		case ACPI_TYPE_LOCAL_INDEX_FIELD:
-
-			next_object = object->index_field.index_obj;
-			status =
-			    acpi_ut_create_update_state_and_push(object->
-								 index_field.
-								 data_obj,
-								 action,
-								 &state_list);
-			if (ACPI_FAILURE(status)) {
-				goto error_exit;
-			}
-			break;
-
-		case ACPI_TYPE_LOCAL_REFERENCE:
-			/*
-			 * The target of an Index (a package, string, or buffer) or a named
-			 * reference must track changes to the ref count of the index or
-			 * target object.
-			 */
-			if ((object->reference.class == ACPI_REFCLASS_INDEX) ||
-			    (object->reference.class == ACPI_REFCLASS_NAME)) {
-				next_object = object->reference.object;
-			}
-			break;
-
-		case ACPI_TYPE_REGION:
-		default:
-			break;	/* No subobjects for all other types */
-		}
-
-		/*
-		 * Now we can update the count in the main object. This can only
-		 * happen after we update the sub-objects in case this causes the
-		 * main object to be deleted.
-		 */
-		acpi_ut_update_ref_count(object, action);
-		object = NULL;
-
-		/* Move on to the next object to be updated */
-
-		if (next_object) {
-			object = next_object;
-			next_object = NULL;
-		} else if (state_list) {
-			state = acpi_ut_pop_generic_state(&state_list);
-			object = state->update.object;
-			acpi_ut_delete_generic_state(state);
-		}
-	}
-
-	return_ACPI_STATUS(AE_OK);
-
-      error_exit:
-
-	ACPI_EXCEPTION((AE_INFO, status,
-			"Could not update object reference count"));
-
-	/* Free any stacked Update State objects */
-
-	while (state_list) {
-		state = acpi_ut_pop_generic_state(&state_list);
-		acpi_ut_delete_generic_state(state);
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_add_reference
- *
- * PARAMETERS:  Object          - Object whose reference count is to be
- *                                incremented
- *
- * RETURN:      None
- *
- * DESCRIPTION: Add one reference to an ACPI object
- *
- ******************************************************************************/
-
-void acpi_ut_add_reference(union acpi_operand_object *object)
-{
-
-	ACPI_FUNCTION_TRACE_PTR(ut_add_reference, object);
-
-	/* Ensure that we have a valid object */
-
-	if (!acpi_ut_valid_internal_object(object)) {
-		return_VOID;
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-			  "Obj %p Current Refs=%X [To Be Incremented]\n",
-			  object, object->common.reference_count));
-
-	/* Increment the reference count */
-
-	(void)acpi_ut_update_object_reference(object, REF_INCREMENT);
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_remove_reference
- *
- * PARAMETERS:  Object         - Object whose ref count will be decremented
- *
- * RETURN:      None
- *
- * DESCRIPTION: Decrement the reference count of an ACPI internal object
- *
- ******************************************************************************/
-
-void acpi_ut_remove_reference(union acpi_operand_object *object)
-{
-
-	ACPI_FUNCTION_TRACE_PTR(ut_remove_reference, object);
-
-	/*
-	 * Allow a NULL pointer to be passed in, just ignore it. This saves
-	 * each caller from having to check. Also, ignore NS nodes.
-	 *
-	 */
-	if (!object ||
-	    (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED)) {
-		return_VOID;
-	}
-
-	/* Ensure that we have a valid object */
-
-	if (!acpi_ut_valid_internal_object(object)) {
-		return_VOID;
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-			  "Obj %p Current Refs=%X [To Be Decremented]\n",
-			  object, object->common.reference_count));
-
-	/*
-	 * Decrement the reference count, and only actually delete the object
-	 * if the reference count becomes 0. (Must also decrement the ref count
-	 * of all subobjects!)
-	 */
-	(void)acpi_ut_update_object_reference(object, REF_DECREMENT);
-	return_VOID;
-}