ACPICA: create acpica/ directory

also, delete sleep/ and delete ACPI_CFLAGS from Makefile

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 0 insertions, 1070 deletions

diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c
deleted file mode 100644
index 7346093..0000000
--- a/drivers/acpi/events/evregion.c
+++ /dev/null
@@ -1,1070 +0,0 @@
-/******************************************************************************
- *
- * Module Name: evregion - ACPI address_space (op_region) handler dispatch
- *
- *****************************************************************************/
-
-/*
- * 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/accommon.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
-
-#define _COMPONENT          ACPI_EVENTS
-ACPI_MODULE_NAME("evregion")
-
-/* Local prototypes */
-static acpi_status
-acpi_ev_reg_run(acpi_handle obj_handle,
-		u32 level, void *context, void **return_value);
-
-static acpi_status
-acpi_ev_install_handler(acpi_handle obj_handle,
-			u32 level, void *context, void **return_value);
-
-/* These are the address spaces that will get default handlers */
-
-#define ACPI_NUM_DEFAULT_SPACES     4
-
-static u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = {
-	ACPI_ADR_SPACE_SYSTEM_MEMORY,
-	ACPI_ADR_SPACE_SYSTEM_IO,
-	ACPI_ADR_SPACE_PCI_CONFIG,
-	ACPI_ADR_SPACE_DATA_TABLE
-};
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_install_region_handlers
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Installs the core subsystem default address space handlers.
- *
- ******************************************************************************/
-
-acpi_status acpi_ev_install_region_handlers(void)
-{
-	acpi_status status;
-	u32 i;
-
-	ACPI_FUNCTION_TRACE(ev_install_region_handlers);
-
-	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * All address spaces (PCI Config, EC, SMBus) are scope dependent and
-	 * registration must occur for a specific device.
-	 *
-	 * In the case of the system memory and IO address spaces there is
-	 * currently no device associated with the address space. For these we
-	 * use the root.
-	 *
-	 * We install the default PCI config space handler at the root so that
-	 * this space is immediately available even though the we have not
-	 * enumerated all the PCI Root Buses yet. This is to conform to the ACPI
-	 * specification which states that the PCI config space must be always
-	 * available -- even though we are nowhere near ready to find the PCI root
-	 * buses at this point.
-	 *
-	 * NOTE: We ignore AE_ALREADY_EXISTS because this means that a handler
-	 * has already been installed (via acpi_install_address_space_handler).
-	 * Similar for AE_SAME_HANDLER.
-	 */
-	for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
-		status = acpi_ev_install_space_handler(acpi_gbl_root_node,
-						       acpi_gbl_default_address_spaces
-						       [i],
-						       ACPI_DEFAULT_HANDLER,
-						       NULL, NULL);
-		switch (status) {
-		case AE_OK:
-		case AE_SAME_HANDLER:
-		case AE_ALREADY_EXISTS:
-
-			/* These exceptions are all OK */
-
-			status = AE_OK;
-			break;
-
-		default:
-
-			goto unlock_and_exit;
-		}
-	}
-
-      unlock_and_exit:
-	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_initialize_op_regions
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Execute _REG methods for all Operation Regions that have
- *              an installed default region handler.
- *
- ******************************************************************************/
-
-acpi_status acpi_ev_initialize_op_regions(void)
-{
-	acpi_status status;
-	u32 i;
-
-	ACPI_FUNCTION_TRACE(ev_initialize_op_regions);
-
-	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Run the _REG methods for op_regions in each default address space */
-
-	for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
-		/*
-		 * TBD: Make sure handler is the DEFAULT handler, otherwise
-		 * _REG will have already been run.
-		 */
-		status = acpi_ev_execute_reg_methods(acpi_gbl_root_node,
-						     acpi_gbl_default_address_spaces
-						     [i]);
-	}
-
-	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_execute_reg_method
- *
- * PARAMETERS:  region_obj          - Region object
- *              Function            - Passed to _REG: On (1) or Off (0)
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Execute _REG method for a region
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
-{
-	struct acpi_evaluate_info *info;
-	union acpi_operand_object *args[3];
-	union acpi_operand_object *region_obj2;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ev_execute_reg_method);
-
-	region_obj2 = acpi_ns_get_secondary_object(region_obj);
-	if (!region_obj2) {
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	if (region_obj2->extra.method_REG == NULL) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Allocate and initialize the evaluation information block */
-
-	info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
-	if (!info) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	info->prefix_node = region_obj2->extra.method_REG;
-	info->pathname = NULL;
-	info->parameters = args;
-	info->flags = ACPI_IGNORE_RETURN_VALUE;
-
-	/*
-	 * The _REG method has two arguments:
-	 *
-	 * Arg0 - Integer:
-	 *  Operation region space ID Same value as region_obj->Region.space_id
-	 *
-	 * Arg1 - Integer:
-	 *  connection status 1 for connecting the handler, 0 for disconnecting
-	 *  the handler (Passed as a parameter)
-	 */
-	args[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
-	if (!args[0]) {
-		status = AE_NO_MEMORY;
-		goto cleanup1;
-	}
-
-	args[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
-	if (!args[1]) {
-		status = AE_NO_MEMORY;
-		goto cleanup2;
-	}
-
-	/* Setup the parameter objects */
-
-	args[0]->integer.value = region_obj->region.space_id;
-	args[1]->integer.value = function;
-	args[2] = NULL;
-
-	/* Execute the method, no return value */
-
-	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
-			(ACPI_TYPE_METHOD, info->prefix_node, NULL));
-
-	status = acpi_ns_evaluate(info);
-	acpi_ut_remove_reference(args[1]);
-
-      cleanup2:
-	acpi_ut_remove_reference(args[0]);
-
-      cleanup1:
-	ACPI_FREE(info);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_address_space_dispatch
- *
- * PARAMETERS:  region_obj          - Internal region object
- *              Function            - Read or Write operation
- *              Address             - Where in the space to read or write
- *              bit_width           - Field width in bits (8, 16, 32, or 64)
- *              Value               - Pointer to in or out value, must be
- *                                    full 64-bit acpi_integer
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Dispatch an address space or operation region access to
- *              a previously installed handler.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
-			       u32 function,
-			       acpi_physical_address address,
-			       u32 bit_width, acpi_integer * value)
-{
-	acpi_status status;
-	acpi_adr_space_handler handler;
-	acpi_adr_space_setup region_setup;
-	union acpi_operand_object *handler_desc;
-	union acpi_operand_object *region_obj2;
-	void *region_context = NULL;
-
-	ACPI_FUNCTION_TRACE(ev_address_space_dispatch);
-
-	region_obj2 = acpi_ns_get_secondary_object(region_obj);
-	if (!region_obj2) {
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	/* Ensure that there is a handler associated with this region */
-
-	handler_desc = region_obj->region.handler;
-	if (!handler_desc) {
-		ACPI_ERROR((AE_INFO,
-			    "No handler for Region [%4.4s] (%p) [%s]",
-			    acpi_ut_get_node_name(region_obj->region.node),
-			    region_obj,
-			    acpi_ut_get_region_name(region_obj->region.
-						    space_id)));
-
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	/*
-	 * It may be the case that the region has never been initialized.
-	 * Some types of regions require special init code
-	 */
-	if (!(region_obj->region.flags & AOPOBJ_SETUP_COMPLETE)) {
-
-		/* This region has not been initialized yet, do it */
-
-		region_setup = handler_desc->address_space.setup;
-		if (!region_setup) {
-
-			/* No initialization routine, exit with error */
-
-			ACPI_ERROR((AE_INFO,
-				    "No init routine for region(%p) [%s]",
-				    region_obj,
-				    acpi_ut_get_region_name(region_obj->region.
-							    space_id)));
-			return_ACPI_STATUS(AE_NOT_EXIST);
-		}
-
-		/*
-		 * We must exit the interpreter because the region setup will
-		 * potentially execute control methods (for example, the _REG method
-		 * for this region)
-		 */
-		acpi_ex_exit_interpreter();
-
-		status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
-				      handler_desc->address_space.context,
-				      &region_context);
-
-		/* Re-enter the interpreter */
-
-		acpi_ex_enter_interpreter();
-
-		/* Check for failure of the Region Setup */
-
-		if (ACPI_FAILURE(status)) {
-			ACPI_EXCEPTION((AE_INFO, status,
-					"During region initialization: [%s]",
-					acpi_ut_get_region_name(region_obj->
-								region.
-								space_id)));
-			return_ACPI_STATUS(status);
-		}
-
-		/* Region initialization may have been completed by region_setup */
-
-		if (!(region_obj->region.flags & AOPOBJ_SETUP_COMPLETE)) {
-			region_obj->region.flags |= AOPOBJ_SETUP_COMPLETE;
-
-			if (region_obj2->extra.region_context) {
-
-				/* The handler for this region was already installed */
-
-				ACPI_FREE(region_context);
-			} else {
-				/*
-				 * Save the returned context for use in all accesses to
-				 * this particular region
-				 */
-				region_obj2->extra.region_context =
-				    region_context;
-			}
-		}
-	}
-
-	/* We have everything we need, we can invoke the address space handler */
-
-	handler = handler_desc->address_space.handler;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
-			  "Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
-			  &region_obj->region.handler->address_space, handler,
-			  ACPI_FORMAT_NATIVE_UINT(address),
-			  acpi_ut_get_region_name(region_obj->region.
-						  space_id)));
-
-	if (!(handler_desc->address_space.handler_flags &
-	      ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
-		/*
-		 * For handlers other than the default (supplied) handlers, we must
-		 * exit the interpreter because the handler *might* block -- we don't
-		 * know what it will do, so we can't hold the lock on the intepreter.
-		 */
-		acpi_ex_exit_interpreter();
-	}
-
-	/* Call the handler */
-
-	status = handler(function, address, bit_width, value,
-			 handler_desc->address_space.context,
-			 region_obj2->extra.region_context);
-
-	if (ACPI_FAILURE(status)) {
-		ACPI_EXCEPTION((AE_INFO, status, "Returned by Handler for [%s]",
-				acpi_ut_get_region_name(region_obj->region.
-							space_id)));
-	}
-
-	if (!(handler_desc->address_space.handler_flags &
-	      ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
-		/*
-		 * We just returned from a non-default handler, we must re-enter the
-		 * interpreter
-		 */
-		acpi_ex_enter_interpreter();
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_detach_region
- *
- * PARAMETERS:  region_obj          - Region Object
- *              acpi_ns_is_locked   - Namespace Region Already Locked?
- *
- * RETURN:      None
- *
- * DESCRIPTION: Break the association between the handler and the region
- *              this is a two way association.
- *
- ******************************************************************************/
-
-void
-acpi_ev_detach_region(union acpi_operand_object *region_obj,
-		      u8 acpi_ns_is_locked)
-{
-	union acpi_operand_object *handler_obj;
-	union acpi_operand_object *obj_desc;
-	union acpi_operand_object **last_obj_ptr;
-	acpi_adr_space_setup region_setup;
-	void **region_context;
-	union acpi_operand_object *region_obj2;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ev_detach_region);
-
-	region_obj2 = acpi_ns_get_secondary_object(region_obj);
-	if (!region_obj2) {
-		return_VOID;
-	}
-	region_context = &region_obj2->extra.region_context;
-
-	/* Get the address handler from the region object */
-
-	handler_obj = region_obj->region.handler;
-	if (!handler_obj) {
-
-		/* This region has no handler, all done */
-
-		return_VOID;
-	}
-
-	/* Find this region in the handler's list */
-
-	obj_desc = handler_obj->address_space.region_list;
-	last_obj_ptr = &handler_obj->address_space.region_list;
-
-	while (obj_desc) {
-
-		/* Is this the correct Region? */
-
-		if (obj_desc == region_obj) {
-			ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
-					  "Removing Region %p from address handler %p\n",
-					  region_obj, handler_obj));
-
-			/* This is it, remove it from the handler's list */
-
-			*last_obj_ptr = obj_desc->region.next;
-			obj_desc->region.next = NULL;	/* Must clear field */
-
-			if (acpi_ns_is_locked) {
-				status =
-				    acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-				if (ACPI_FAILURE(status)) {
-					return_VOID;
-				}
-			}
-
-			/* Now stop region accesses by executing the _REG method */
-
-			status = acpi_ev_execute_reg_method(region_obj, 0);
-			if (ACPI_FAILURE(status)) {
-				ACPI_EXCEPTION((AE_INFO, status,
-						"from region _REG, [%s]",
-						acpi_ut_get_region_name
-						(region_obj->region.space_id)));
-			}
-
-			if (acpi_ns_is_locked) {
-				status =
-				    acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-				if (ACPI_FAILURE(status)) {
-					return_VOID;
-				}
-			}
-
-			/*
-			 * If the region has been activated, call the setup handler with
-			 * the deactivate notification
-			 */
-			if (region_obj->region.flags & AOPOBJ_SETUP_COMPLETE) {
-				region_setup = handler_obj->address_space.setup;
-				status =
-				    region_setup(region_obj,
-						 ACPI_REGION_DEACTIVATE,
-						 handler_obj->address_space.
-						 context, region_context);
-
-				/* Init routine may fail, Just ignore errors */
-
-				if (ACPI_FAILURE(status)) {
-					ACPI_EXCEPTION((AE_INFO, status,
-							"from region handler - deactivate, [%s]",
-							acpi_ut_get_region_name
-							(region_obj->region.
-							 space_id)));
-				}
-
-				region_obj->region.flags &=
-				    ~(AOPOBJ_SETUP_COMPLETE);
-			}
-
-			/*
-			 * Remove handler reference in the region
-			 *
-			 * NOTE: this doesn't mean that the region goes away, the region
-			 * is just inaccessible as indicated to the _REG method
-			 *
-			 * If the region is on the handler's list, this must be the
-			 * region's handler
-			 */
-			region_obj->region.handler = NULL;
-			acpi_ut_remove_reference(handler_obj);
-
-			return_VOID;
-		}
-
-		/* Walk the linked list of handlers */
-
-		last_obj_ptr = &obj_desc->region.next;
-		obj_desc = obj_desc->region.next;
-	}
-
-	/* If we get here, the region was not in the handler's region list */
-
-	ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
-			  "Cannot remove region %p from address handler %p\n",
-			  region_obj, handler_obj));
-
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_attach_region
- *
- * PARAMETERS:  handler_obj         - Handler Object
- *              region_obj          - Region Object
- *              acpi_ns_is_locked   - Namespace Region Already Locked?
- *
- * RETURN:      None
- *
- * DESCRIPTION: Create the association between the handler and the region
- *              this is a two way association.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_attach_region(union acpi_operand_object *handler_obj,
-		      union acpi_operand_object *region_obj,
-		      u8 acpi_ns_is_locked)
-{
-
-	ACPI_FUNCTION_TRACE(ev_attach_region);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
-			  "Adding Region [%4.4s] %p to address handler %p [%s]\n",
-			  acpi_ut_get_node_name(region_obj->region.node),
-			  region_obj, handler_obj,
-			  acpi_ut_get_region_name(region_obj->region.
-						  space_id)));
-
-	/* Link this region to the front of the handler's list */
-
-	region_obj->region.next = handler_obj->address_space.region_list;
-	handler_obj->address_space.region_list = region_obj;
-
-	/* Install the region's handler */
-
-	if (region_obj->region.handler) {
-		return_ACPI_STATUS(AE_ALREADY_EXISTS);
-	}
-
-	region_obj->region.handler = handler_obj;
-	acpi_ut_add_reference(handler_obj);
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_install_handler
- *
- * PARAMETERS:  walk_namespace callback
- *
- * DESCRIPTION: This routine installs an address handler into objects that are
- *              of type Region or Device.
- *
- *              If the Object is a Device, and the device has a handler of
- *              the same type then the search is terminated in that branch.
- *
- *              This is because the existing handler is closer in proximity
- *              to any more regions than the one we are trying to install.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ev_install_handler(acpi_handle obj_handle,
-			u32 level, void *context, void **return_value)
-{
-	union acpi_operand_object *handler_obj;
-	union acpi_operand_object *next_handler_obj;
-	union acpi_operand_object *obj_desc;
-	struct acpi_namespace_node *node;
-	acpi_status status;
-
-	ACPI_FUNCTION_NAME(ev_install_handler);
-
-	handler_obj = (union acpi_operand_object *)context;
-
-	/* Parameter validation */
-
-	if (!handler_obj) {
-		return (AE_OK);
-	}
-
-	/* Convert and validate the device handle */
-
-	node = acpi_ns_map_handle_to_node(obj_handle);
-	if (!node) {
-		return (AE_BAD_PARAMETER);
-	}
-
-	/*
-	 * We only care about regions and objects that are allowed to have
-	 * address space handlers
-	 */
-	if ((node->type != ACPI_TYPE_DEVICE) &&
-	    (node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {
-		return (AE_OK);
-	}
-
-	/* Check for an existing internal object */
-
-	obj_desc = acpi_ns_get_attached_object(node);
-	if (!obj_desc) {
-
-		/* No object, just exit */
-
-		return (AE_OK);
-	}
-
-	/* Devices are handled different than regions */
-
-	if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_DEVICE) {
-
-		/* Check if this Device already has a handler for this address space */
-
-		next_handler_obj = obj_desc->device.handler;
-		while (next_handler_obj) {
-
-			/* Found a handler, is it for the same address space? */
-
-			if (next_handler_obj->address_space.space_id ==
-			    handler_obj->address_space.space_id) {
-				ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
-						  "Found handler for region [%s] in device %p(%p) handler %p\n",
-						  acpi_ut_get_region_name
-						  (handler_obj->address_space.
-						   space_id), obj_desc,
-						  next_handler_obj,
-						  handler_obj));
-
-				/*
-				 * Since the object we found it on was a device, then it
-				 * means that someone has already installed a handler for
-				 * the branch of the namespace from this device on. Just
-				 * bail out telling the walk routine to not traverse this
-				 * branch. This preserves the scoping rule for handlers.
-				 */
-				return (AE_CTRL_DEPTH);
-			}
-
-			/* Walk the linked list of handlers attached to this device */
-
-			next_handler_obj = next_handler_obj->address_space.next;
-		}
-
-		/*
-		 * As long as the device didn't have a handler for this space we
-		 * don't care about it. We just ignore it and proceed.
-		 */
-		return (AE_OK);
-	}
-
-	/* Object is a Region */
-
-	if (obj_desc->region.space_id != handler_obj->address_space.space_id) {
-
-		/* This region is for a different address space, just ignore it */
-
-		return (AE_OK);
-	}
-
-	/*
-	 * Now we have a region and it is for the handler's address space type.
-	 *
-	 * First disconnect region for any previous handler (if any)
-	 */
-	acpi_ev_detach_region(obj_desc, FALSE);
-
-	/* Connect the region to the new handler */
-
-	status = acpi_ev_attach_region(handler_obj, obj_desc, FALSE);
-	return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_install_space_handler
- *
- * PARAMETERS:  Node            - Namespace node for the device
- *              space_id        - The address space ID
- *              Handler         - Address of the handler
- *              Setup           - Address of the setup function
- *              Context         - Value passed to the handler on each access
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Install a handler for all op_regions of a given space_id.
- *              Assumes namespace is locked
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_install_space_handler(struct acpi_namespace_node * node,
-			      acpi_adr_space_type space_id,
-			      acpi_adr_space_handler handler,
-			      acpi_adr_space_setup setup, void *context)
-{
-	union acpi_operand_object *obj_desc;
-	union acpi_operand_object *handler_obj;
-	acpi_status status;
-	acpi_object_type type;
-	u8 flags = 0;
-
-	ACPI_FUNCTION_TRACE(ev_install_space_handler);
-
-	/*
-	 * This registration is valid for only the types below and the root. This
-	 * is where the default handlers get placed.
-	 */
-	if ((node->type != ACPI_TYPE_DEVICE) &&
-	    (node->type != ACPI_TYPE_PROCESSOR) &&
-	    (node->type != ACPI_TYPE_THERMAL) && (node != acpi_gbl_root_node)) {
-		status = AE_BAD_PARAMETER;
-		goto unlock_and_exit;
-	}
-
-	if (handler == ACPI_DEFAULT_HANDLER) {
-		flags = ACPI_ADDR_HANDLER_DEFAULT_INSTALLED;
-
-		switch (space_id) {
-		case ACPI_ADR_SPACE_SYSTEM_MEMORY:
-			handler = acpi_ex_system_memory_space_handler;
-			setup = acpi_ev_system_memory_region_setup;
-			break;
-
-		case ACPI_ADR_SPACE_SYSTEM_IO:
-			handler = acpi_ex_system_io_space_handler;
-			setup = acpi_ev_io_space_region_setup;
-			break;
-
-		case ACPI_ADR_SPACE_PCI_CONFIG:
-			handler = acpi_ex_pci_config_space_handler;
-			setup = acpi_ev_pci_config_region_setup;
-			break;
-
-		case ACPI_ADR_SPACE_CMOS:
-			handler = acpi_ex_cmos_space_handler;
-			setup = acpi_ev_cmos_region_setup;
-			break;
-
-		case ACPI_ADR_SPACE_PCI_BAR_TARGET:
-			handler = acpi_ex_pci_bar_space_handler;
-			setup = acpi_ev_pci_bar_region_setup;
-			break;
-
-		case ACPI_ADR_SPACE_DATA_TABLE:
-			handler = acpi_ex_data_table_space_handler;
-			setup = NULL;
-			break;
-
-		default:
-			status = AE_BAD_PARAMETER;
-			goto unlock_and_exit;
-		}
-	}
-
-	/* If the caller hasn't specified a setup routine, use the default */
-
-	if (!setup) {
-		setup = acpi_ev_default_region_setup;
-	}
-
-	/* Check for an existing internal object */
-
-	obj_desc = acpi_ns_get_attached_object(node);
-	if (obj_desc) {
-		/*
-		 * The attached device object already exists. Make sure the handler
-		 * is not already installed.
-		 */
-		handler_obj = obj_desc->device.handler;
-
-		/* Walk the handler list for this device */
-
-		while (handler_obj) {
-
-			/* Same space_id indicates a handler already installed */
-
-			if (handler_obj->address_space.space_id == space_id) {
-				if (handler_obj->address_space.handler ==
-				    handler) {
-					/*
-					 * It is (relatively) OK to attempt to install the SAME
-					 * handler twice. This can easily happen with the
-					 * PCI_Config space.
-					 */
-					status = AE_SAME_HANDLER;
-					goto unlock_and_exit;
-				} else {
-					/* A handler is already installed */
-
-					status = AE_ALREADY_EXISTS;
-				}
-				goto unlock_and_exit;
-			}
-
-			/* Walk the linked list of handlers */
-
-			handler_obj = handler_obj->address_space.next;
-		}
-	} else {
-		ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
-				  "Creating object on Device %p while installing handler\n",
-				  node));
-
-		/* obj_desc does not exist, create one */
-
-		if (node->type == ACPI_TYPE_ANY) {
-			type = ACPI_TYPE_DEVICE;
-		} else {
-			type = node->type;
-		}
-
-		obj_desc = acpi_ut_create_internal_object(type);
-		if (!obj_desc) {
-			status = AE_NO_MEMORY;
-			goto unlock_and_exit;
-		}
-
-		/* Init new descriptor */
-
-		obj_desc->common.type = (u8) type;
-
-		/* Attach the new object to the Node */
-
-		status = acpi_ns_attach_object(node, obj_desc, type);
-
-		/* Remove local reference to the object */
-
-		acpi_ut_remove_reference(obj_desc);
-
-		if (ACPI_FAILURE(status)) {
-			goto unlock_and_exit;
-		}
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
-			  "Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n",
-			  acpi_ut_get_region_name(space_id), space_id,
-			  acpi_ut_get_node_name(node), node, obj_desc));
-
-	/*
-	 * Install the handler
-	 *
-	 * At this point there is no existing handler. Just allocate the object
-	 * for the handler and link it into the list.
-	 */
-	handler_obj =
-	    acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_ADDRESS_HANDLER);
-	if (!handler_obj) {
-		status = AE_NO_MEMORY;
-		goto unlock_and_exit;
-	}
-
-	/* Init handler obj */
-
-	handler_obj->address_space.space_id = (u8) space_id;
-	handler_obj->address_space.handler_flags = flags;
-	handler_obj->address_space.region_list = NULL;
-	handler_obj->address_space.node = node;
-	handler_obj->address_space.handler = handler;
-	handler_obj->address_space.context = context;
-	handler_obj->address_space.setup = setup;
-
-	/* Install at head of Device.address_space list */
-
-	handler_obj->address_space.next = obj_desc->device.handler;
-
-	/*
-	 * The Device object is the first reference on the handler_obj.
-	 * Each region that uses the handler adds a reference.
-	 */
-	obj_desc->device.handler = handler_obj;
-
-	/*
-	 * Walk the namespace finding all of the regions this
-	 * handler will manage.
-	 *
-	 * Start at the device and search the branch toward
-	 * the leaf nodes until either the leaf is encountered or
-	 * a device is detected that has an address handler of the
-	 * same type.
-	 *
-	 * In either case, back up and search down the remainder
-	 * of the branch
-	 */
-	status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
-					ACPI_NS_WALK_UNLOCK,
-					acpi_ev_install_handler, handler_obj,
-					NULL);
-
-      unlock_and_exit:
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_execute_reg_methods
- *
- * PARAMETERS:  Node            - Namespace node for the device
- *              space_id        - The address space ID
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Run all _REG methods for the input Space ID;
- *              Note: assumes namespace is locked, or system init time.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
-			    acpi_adr_space_type space_id)
-{
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ev_execute_reg_methods);
-
-	/*
-	 * Run all _REG methods for all Operation Regions for this space ID. This
-	 * is a separate walk in order to handle any interdependencies between
-	 * regions and _REG methods. (i.e. handlers must be installed for all
-	 * regions of this Space ID before we can run any _REG methods)
-	 */
-	status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
-					ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run,
-					&space_id, NULL);
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_reg_run
- *
- * PARAMETERS:  walk_namespace callback
- *
- * DESCRIPTION: Run _REG method for region objects of the requested space_iD
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ev_reg_run(acpi_handle obj_handle,
-		u32 level, void *context, void **return_value)
-{
-	union acpi_operand_object *obj_desc;
-	struct acpi_namespace_node *node;
-	acpi_adr_space_type space_id;
-	acpi_status status;
-
-	space_id = *ACPI_CAST_PTR(acpi_adr_space_type, context);
-
-	/* Convert and validate the device handle */
-
-	node = acpi_ns_map_handle_to_node(obj_handle);
-	if (!node) {
-		return (AE_BAD_PARAMETER);
-	}
-
-	/*
-	 * We only care about regions.and objects that are allowed to have address
-	 * space handlers
-	 */
-	if ((node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {
-		return (AE_OK);
-	}
-
-	/* Check for an existing internal object */
-
-	obj_desc = acpi_ns_get_attached_object(node);
-	if (!obj_desc) {
-
-		/* No object, just exit */
-
-		return (AE_OK);
-	}
-
-	/* Object is a Region */
-
-	if (obj_desc->region.space_id != space_id) {
-
-		/* This region is for a different address space, just ignore it */
-
-		return (AE_OK);
-	}
-
-	status = acpi_ev_execute_reg_method(obj_desc, 1);
-	return (status);
-}