Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (27 commits) ACPI / ACPICA: Simplify acpi_ev_initialize_gpe_block() ACPI / ACPICA: Fail acpi_gpe_wakeup() if ACPI_GPE_CAN_WAKE is unset ACPI / ACPICA: Do not execute _PRW methods during initialization ACPI: Fix bogus GPE test in acpi_bus_set_run_wake_flags() ACPICA: Update version to 20100702 ACPICA: Fix for Alias references within Package objects ACPICA: Fix lint warning for 64-bit constant ACPICA: Remove obsolete GPE function ACPICA: Update debug output components ACPICA: Add support for WDDT - Watchdog Descriptor Table ACPICA: Drop acpi_set_gpe ACPICA: Use low-level GPE enable during GPE block initialization ACPI / EC: Do not use acpi_set_gpe ACPI / EC: Drop suspend and resume routines ACPICA: Remove wakeup GPE reference counting which is not used ACPICA: Introduce acpi_gpe_wakeup() ACPICA: Rename acpi_hw_gpe_register_bit ACPICA: Update version to 20100528 ACPICA: Add signatures for undefined tables: ATKG, GSCI, IEIT ACPICA: Optimization: Reduce the number of namespace walks ...

Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (27 commits) ACPI / ACPICA: Simplify acpi_ev_initialize_gpe_block() ACPI / ACPICA: Fail acpi_gpe_wakeup() if ACPI_GPE_CAN_WAKE is unset ACPI / ACPICA: Do not execute _PRW methods during initialization ACPI: Fix bogus GPE test in acpi_bus_set_run_wake_flags() ACPICA: Update version to 20100702 ACPICA: Fix for Alias references within Package objects ACPICA: Fix lint warning for 64-bit constant ACPICA: Remove obsolete GPE function ACPICA: Update debug output components ACPICA: Add support for WDDT - Watchdog Descriptor Table ACPICA: Drop acpi_set_gpe ACPICA: Use low-level GPE enable during GPE block initialization ACPI / EC: Do not use acpi_set_gpe ACPI / EC: Drop suspend and resume routines ACPICA: Remove wakeup GPE reference counting which is not used ACPICA: Introduce acpi_gpe_wakeup() ACPICA: Rename acpi_hw_gpe_register_bit ACPICA: Update version to 20100528 ACPICA: Add signatures for undefined tables: ATKG, GSCI, IEIT ACPICA: Optimization: Reduce the number of namespace walks ...
Linus Torvalds
2 parents 3cc08fc35d a0d468718b
Showing 53 changed files Side-by-side Diff
drivers/acpi/acpica/acevents.h
drivers/acpi/acpica/acglobal.h
drivers/acpi/acpica/achware.h
drivers/acpi/acpica/aclocal.h
drivers/acpi/acpica/acnamesp.h
drivers/acpi/acpica/acobject.h
drivers/acpi/acpica/acpredef.h
drivers/acpi/acpica/acstruct.h
drivers/acpi/acpica/dsinit.c
drivers/acpi/acpica/dsmethod.c
drivers/acpi/acpica/dsmthdat.c
drivers/acpi/acpica/dsobject.c
drivers/acpi/acpica/dsopcode.c
drivers/acpi/acpica/dsutils.c
drivers/acpi/acpica/evevent.c
drivers/acpi/acpica/evgpe.c
drivers/acpi/acpica/evgpeblk.c
drivers/acpi/acpica/evgpeinit.c
drivers/acpi/acpica/evrgnini.c
drivers/acpi/acpica/evxfevnt.c
@@ -78,7 +78,9 @@
 u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
  
 acpi_status
-acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info);
+acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);
+
+acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);
  
 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
 						       u32 gpe_number);
@@ -100,13 +100,6 @@
 u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
  
 /*
- * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
- * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
- * be enabled just before going to sleep.
- */
-u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
-
-/*
  * Optionally use default values for the ACPI register widths. Set this to
  * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
  */
@@ -90,14 +90,11 @@
 /*
  * hwgpe - GPE support
  */
-u32 acpi_hw_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
+u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
 			     struct acpi_gpe_register_info *gpe_register_info);
  
 acpi_status
 acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action);
-
-acpi_status
-acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info);
  
 acpi_status
 acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
@@ -184,8 +184,9 @@
 	u8 flags;		/* Miscellaneous flags */
 	acpi_owner_id owner_id;	/* Node creator */
 	union acpi_name_union name;	/* ACPI Name, always 4 chars per ACPI spec */
+	struct acpi_namespace_node *parent;	/* Parent node */
 	struct acpi_namespace_node *child;	/* First child */
-	struct acpi_namespace_node *peer;	/* Peer. Parent if ANOBJ_END_OF_PEER_LIST set */
+	struct acpi_namespace_node *peer;	/* First peer */
  
 	/*
 	 * The following fields are used by the ASL compiler and disassembler only
@@ -199,7 +200,7 @@
  
 /* Namespace Node flags */
  
-#define ANOBJ_END_OF_PEER_LIST          0x01	/* End-of-list, Peer field points to parent */
+#define ANOBJ_RESERVED                  0x01	/* Available for use */
 #define ANOBJ_TEMPORARY                 0x02	/* Node is create by a method and is temporary */
 #define ANOBJ_METHOD_ARG                0x04	/* Node is a method argument */
 #define ANOBJ_METHOD_LOCAL              0x08	/* Node is a method local */
@@ -428,7 +429,6 @@
 	u8 flags;		/* Misc info about this GPE */
 	u8 gpe_number;		/* This GPE */
 	u8 runtime_count;	/* References to a run GPE */
-	u8 wakeup_count;	/* References to a wake GPE */
 };
  
 /* Information about a GPE register pair, one per each status/enable pair in an array */
@@ -369,12 +369,5 @@
  
 void acpi_ns_terminate(void);
  
-struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
-						    *node);
-
-struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
-							acpi_namespace_node
-							*node);
-
 #endif				/* __ACNAMESP_H__ */
@@ -91,14 +91,14 @@
  
 /* Values for Flag byte above */
  
-#define AOPOBJ_AML_CONSTANT         0x01
-#define AOPOBJ_STATIC_POINTER       0x02
-#define AOPOBJ_DATA_VALID           0x04
-#define AOPOBJ_OBJECT_INITIALIZED   0x08
-#define AOPOBJ_SETUP_COMPLETE       0x10
-#define AOPOBJ_SINGLE_DATUM         0x20
-#define AOPOBJ_INVALID              0x40	/* Used if host OS won't allow an op_region address */
-#define AOPOBJ_MODULE_LEVEL         0x80
+#define AOPOBJ_AML_CONSTANT         0x01	/* Integer is an AML constant */
+#define AOPOBJ_STATIC_POINTER       0x02	/* Data is part of an ACPI table, don't delete */
+#define AOPOBJ_DATA_VALID           0x04	/* Object is intialized and data is valid */
+#define AOPOBJ_OBJECT_INITIALIZED   0x08	/* Region is initialized, _REG was run */
+#define AOPOBJ_SETUP_COMPLETE       0x10	/* Region setup is complete */
+#define AOPOBJ_INVALID              0x20	/* Host OS won't allow a Region address */
+#define AOPOBJ_MODULE_LEVEL         0x40	/* Method is actually module-level code */
+#define AOPOBJ_MODIFIED_NAMESPACE   0x80	/* Method modified the namespace */
  
 /******************************************************************************
  *
@@ -503,15 +503,16 @@
 	{{"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}},
 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */
  
-	{{{0,0,0,0}, 0,0}} /* Table terminator */
-};
+	/* _WDG/_WED are MS extensions defined by "Windows Instrumentation" */
  
-#if 0
-	/* Not implemented */
+	{{"_WDG", 0, ACPI_RTYPE_BUFFER}},
+	{{"_WED", 1,
+	  ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}},
  
-	{{"_WDG", 0, ACPI_RTYPE_BUFFER}},  /* MS Extension */
-	{{"_WED", 1, ACPI_RTYPE_PACKAGE}}, /* MS Extension */
+	{{{0, 0, 0, 0}, 0, 0}}  /* Table terminator */
+};
  
+#if 0
 	/* This is an internally implemented control method, no need to check */
 	{{"_OSI", 1, ACPI_RTYPE_INTEGER}},
  
@@ -127,22 +127,22 @@
 	acpi_parse_upwards ascending_callback;
 };
  
-/* Info used by acpi_ps_init_objects */
+/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
  
 struct acpi_init_walk_info {
-	u16 method_count;
-	u16 device_count;
-	u16 op_region_count;
-	u16 field_count;
-	u16 buffer_count;
-	u16 package_count;
-	u16 op_region_init;
-	u16 field_init;
-	u16 buffer_init;
-	u16 package_init;
-	u16 object_count;
-	acpi_owner_id owner_id;
 	u32 table_index;
+	u32 object_count;
+	u32 method_count;
+	u32 device_count;
+	u32 op_region_count;
+	u32 field_count;
+	u32 buffer_count;
+	u32 package_count;
+	u32 op_region_init;
+	u32 field_init;
+	u32 buffer_init;
+	u32 package_init;
+	acpi_owner_id owner_id;
 };
  
 struct acpi_get_devices_info {
  
@@ -201,11 +201,11 @@
 /* Info used by acpi_ns_initialize_devices */
  
 struct acpi_device_walk_info {
-	u16 device_count;
-	u16 num_STA;
-	u16 num_INI;
 	struct acpi_table_desc *table_desc;
 	struct acpi_evaluate_info *evaluate_info;
+	u32 device_count;
+	u32 num_STA;
+	u32 num_INI;
 };
  
 /* TBD: [Restructure] Merge with struct above */
@@ -171,12 +171,12 @@
 			  "**** Starting initialization of namespace objects ****\n"));
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "Parsing all Control Methods:"));
  
-	info.method_count = 0;
-	info.op_region_count = 0;
-	info.object_count = 0;
-	info.device_count = 0;
-	info.table_index = table_index;
+	/* Set all init info to zero */
+
+	ACPI_MEMSET(&info, 0, sizeof(struct acpi_init_walk_info));
+
 	info.owner_id = owner_id;
+	info.table_index = table_index;
  
 	/* Walk entire namespace from the supplied root */
  
  
@@ -204,13 +204,13 @@
 	}
  
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-			      "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
+			      "\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n",
 			      table->signature, owner_id, info.object_count,
 			      info.device_count, info.method_count,
 			      info.op_region_count));
  
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "%hd Methods, %hd Regions\n", info.method_count,
+			  "%u Methods, %u Regions\n", info.method_count,
 			  info.op_region_count));
  
 	return_ACPI_STATUS(AE_OK);
@@ -584,8 +584,22 @@
 		 * want make the objects permanent.
 		 */
 		if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) {
-			acpi_ns_delete_namespace_by_owner(method_desc->method.
-							  owner_id);
+
+			/* Delete any direct children of (created by) this method */
+
+			acpi_ns_delete_namespace_subtree(walk_state->
+							 method_node);
+
+			/*
+			 * Delete any objects that were created by this method
+			 * elsewhere in the namespace (if any were created).
+			 */
+			if (method_desc->method.
+			    flags & AOPOBJ_MODIFIED_NAMESPACE) {
+				acpi_ns_delete_namespace_by_owner(method_desc->
+								  method.
+								  owner_id);
+			}
 		}
 	}
  
@@ -605,7 +619,7 @@
 		 * we immediately reuse it for the next thread executing this method
 		 */
 		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "*** Completed execution of one thread, %d threads remaining\n",
+				  "*** Completed execution of one thread, %u threads remaining\n",
 				  method_desc->method.thread_count));
 	} else {
 		/* This is the only executing thread for this method */
@@ -102,8 +102,7 @@
 		walk_state->arguments[i].name.integer |= (i << 24);
 		walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED;
 		walk_state->arguments[i].type = ACPI_TYPE_ANY;
-		walk_state->arguments[i].flags =
-		    ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
+		walk_state->arguments[i].flags = ANOBJ_METHOD_ARG;
 	}
  
 	/* Init the method locals */
@@ -116,8 +115,7 @@
 		walk_state->local_variables[i].descriptor_type =
 		    ACPI_DESC_TYPE_NAMED;
 		walk_state->local_variables[i].type = ACPI_TYPE_ANY;
-		walk_state->local_variables[i].flags =
-		    ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
+		walk_state->local_variables[i].flags = ANOBJ_METHOD_LOCAL;
 	}
  
 	return_VOID;
@@ -146,7 +144,7 @@
  
 	for (index = 0; index < ACPI_METHOD_NUM_LOCALS; index++) {
 		if (walk_state->local_variables[index].object) {
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%d=%p\n",
+			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%u=%p\n",
 					  index,
 					  walk_state->local_variables[index].
 					  object));
@@ -162,7 +160,7 @@
  
 	for (index = 0; index < ACPI_METHOD_NUM_ARGS; index++) {
 		if (walk_state->arguments[index].object) {
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%d=%p\n",
+			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%u=%p\n",
 					  index,
 					  walk_state->arguments[index].object));
  
@@ -226,7 +224,7 @@
 		index++;
 	}
  
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%d args passed to method\n", index));
+	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%u args passed to method\n", index));
 	return_ACPI_STATUS(AE_OK);
 }
  
@@ -323,7 +321,7 @@
 	ACPI_FUNCTION_TRACE(ds_method_data_set_value);
  
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "NewObj %p Type %2.2X, Refs=%d [%s]\n", object,
+			  "NewObj %p Type %2.2X, Refs=%u [%s]\n", object,
 			  type, object->common.reference_count,
 			  acpi_ut_get_type_name(object->common.type)));
  
@@ -543,7 +541,7 @@
 	union acpi_operand_object *new_obj_desc;
  
 	ACPI_FUNCTION_TRACE(ds_store_object_to_local);
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%d Obj=%p\n",
+	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%u Obj=%p\n",
 			  type, index, obj_desc));
  
 	/* Parameter validation */
@@ -81,6 +81,7 @@
 {
 	union acpi_operand_object *obj_desc;
 	acpi_status status;
+	acpi_object_type type;
  
 	ACPI_FUNCTION_TRACE(ds_build_internal_object);
  
@@ -172,7 +173,20 @@
 				return_ACPI_STATUS(status);
 			}
  
-			switch (op->common.node->type) {
+			/*
+			 * Special handling for Alias objects. We need to setup the type
+			 * and the Op->Common.Node to point to the Alias target. Note,
+			 * Alias has at most one level of indirection internally.
+			 */
+			type = op->common.node->type;
+			if (type == ACPI_TYPE_LOCAL_ALIAS) {
+				type = obj_desc->common.type;
+				op->common.node =
+				    ACPI_CAST_PTR(struct acpi_namespace_node,
+						  op->common.node->object);
+			}
+
+			switch (type) {
 				/*
 				 * For these types, we need the actual node, not the subobject.
 				 * However, the subobject did not get an extra reference count above.
@@ -213,7 +213,7 @@
  
 	/* Execute the AML code for the term_arg arguments */
  
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+	status = acpi_ds_execute_arguments(node, node->parent,
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
 	return_ACPI_STATUS(status);
@@ -257,7 +257,7 @@
  
 	/* Execute the AML code for the term_arg arguments */
  
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+	status = acpi_ds_execute_arguments(node, node->parent,
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
 	return_ACPI_STATUS(status);
@@ -394,7 +394,7 @@
  
 	/* Execute the argument AML */
  
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+	status = acpi_ds_execute_arguments(node, node->parent,
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
 	if (ACPI_FAILURE(status)) {
@@ -746,7 +746,7 @@
 		index--;
  
 		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "Arg #%d (%p) done, Arg1=%p\n", index, arg,
+				  "Arg #%u (%p) done, Arg1=%p\n", index, arg,
 				  first_arg));
 	}
  
@@ -760,7 +760,7 @@
 	 */
 	acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
  
-	ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %d", index));
+	ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %u", index));
 	return_ACPI_STATUS(status);
 }
  
@@ -102,9 +102,8 @@
  * RETURN:      Status
  *
  * DESCRIPTION: Completes initialization of the FADT-defined GPE blocks
- *              (0 and 1). This causes the _PRW methods to be run, so the HW
- *              must be fully initialized at this point, including global lock
- *              support.
+ *              (0 and 1). The HW must be fully initialized at this point,
+ *              including global lock support.
  *
  ******************************************************************************/
  
@@ -54,49 +54,84 @@
  
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ev_update_gpe_enable_masks
+ * FUNCTION:    acpi_ev_update_gpe_enable_mask
  *
  * PARAMETERS:  gpe_event_info          - GPE to update
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Updates GPE register enable masks based upon whether there are
- *              references (either wake or run) to this GPE
+ * DESCRIPTION: Updates GPE register enable mask based upon whether there are
+ *              runtime references to this GPE
  *
  ******************************************************************************/
  
 acpi_status
-acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
+acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info)
 {
 	struct acpi_gpe_register_info *gpe_register_info;
 	u32 register_bit;
  
-	ACPI_FUNCTION_TRACE(ev_update_gpe_enable_masks);
+	ACPI_FUNCTION_TRACE(ev_update_gpe_enable_mask);
  
 	gpe_register_info = gpe_event_info->register_info;
 	if (!gpe_register_info) {
 		return_ACPI_STATUS(AE_NOT_EXIST);
 	}
  
-	register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
+	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
  
-	/* Clear the wake/run bits up front */
+	/* Clear the run bit up front */
  
-	ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake, register_bit);
 	ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit);
  
-	/* Set the mask bits only if there are references to this GPE */
+	/* Set the mask bit only if there are references to this GPE */
  
 	if (gpe_event_info->runtime_count) {
-		ACPI_SET_BIT(gpe_register_info->enable_for_run, register_bit);
+		ACPI_SET_BIT(gpe_register_info->enable_for_run, (u8)register_bit);
 	}
  
-	if (gpe_event_info->wakeup_count) {
-		ACPI_SET_BIT(gpe_register_info->enable_for_wake, register_bit);
+	return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_enable_gpe
+ *
+ * PARAMETERS:  gpe_event_info  - GPE to enable
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Clear the given GPE from stale events and enable it.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
+{
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(ev_enable_gpe);
+
+	/*
+	 * We will only allow a GPE to be enabled if it has either an
+	 * associated method (_Lxx/_Exx) or a handler. Otherwise, the
+	 * GPE will be immediately disabled by acpi_ev_gpe_dispatch the
+	 * first time it fires.
+	 */
+	if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)) {
+		return_ACPI_STATUS(AE_NO_HANDLER);
 	}
  
-	return_ACPI_STATUS(AE_OK);
+	/* Clear the GPE (of stale events) */
+	status = acpi_hw_clear_gpe(gpe_event_info);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	/* Enable the requested GPE */
+	status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
+
+	return_ACPI_STATUS(status);
 }
  
  
@@ -417,8 +452,12 @@
 		}
 	}
  
-	/* Enable this GPE */
-	(void)acpi_hw_write_gpe_enable_reg(gpe_event_info);
+	/*
+	 * Enable this GPE, conditionally. This means that the GPE will only be
+	 * physically enabled if the enable_for_run bit is set in the event_info
+	 */
+	(void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_COND_ENABLE);
+
 	return_VOID;
 }
  
@@ -439,8 +439,6 @@
 {
 	acpi_status status;
 	struct acpi_gpe_event_info *gpe_event_info;
-	struct acpi_gpe_walk_info walk_info;
-	u32 wake_gpe_count;
 	u32 gpe_enabled_count;
 	u32 gpe_index;
 	u32 gpe_number;
  
@@ -456,37 +454,9 @@
 	}
  
 	/*
-	 * Runtime option: Should wake GPEs be enabled at runtime?  The default
-	 * is no, they should only be enabled just as the machine goes to sleep.
+	 * Enable all GPEs that have a corresponding method.  Any other GPEs
+	 * within this block must be enabled via the acpi_enable_gpe interface.
 	 */
-	if (acpi_gbl_leave_wake_gpes_disabled) {
-		/*
-		 * Differentiate runtime vs wake GPEs, via the _PRW control methods.
-		 * Each GPE that has one or more _PRWs that reference it is by
-		 * definition a wake GPE and will not be enabled while the machine
-		 * is running.
-		 */
-		walk_info.gpe_block = gpe_block;
-		walk_info.gpe_device = gpe_device;
-		walk_info.execute_by_owner_id = FALSE;
-
-		status =
-		    acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-					   ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
-					   acpi_ev_match_prw_and_gpe, NULL,
-					   &walk_info, NULL);
-		if (ACPI_FAILURE(status)) {
-			ACPI_EXCEPTION((AE_INFO, status,
-					"While executing _PRW methods"));
-		}
-	}
-
-	/*
-	 * Enable all GPEs that have a corresponding method and are not
-	 * capable of generating wakeups. Any other GPEs within this block
-	 * must be enabled via the acpi_enable_gpe interface.
-	 */
-	wake_gpe_count = 0;
 	gpe_enabled_count = 0;
  
 	if (gpe_device == acpi_gbl_fadt_gpe_device) {
  
  
@@ -502,35 +472,21 @@
 			gpe_event_info = &gpe_block->event_info[gpe_index];
 			gpe_number = gpe_index + gpe_block->block_base_number;
  
-			/*
-			 * If the GPE has already been enabled for runtime
-			 * signaling, make sure it remains enabled, but do not
-			 * increment its reference counter.
-			 */
-			if (gpe_event_info->runtime_count) {
-				acpi_set_gpe(gpe_device, gpe_number,
-						ACPI_GPE_ENABLE);
-				gpe_enabled_count++;
-				continue;
-			}
-
-			if (gpe_event_info->flags & ACPI_GPE_CAN_WAKE) {
-				wake_gpe_count++;
-				if (acpi_gbl_leave_wake_gpes_disabled) {
-					continue;
-				}
-			}
-
 			/* Ignore GPEs that have no corresponding _Lxx/_Exx method */
  
 			if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD)) {
 				continue;
 			}
  
-			/* Enable this GPE */
+			/*
+			 * If the GPE has already been enabled for runtime
+			 * signaling, make sure it remains enabled, but do not
+			 * increment its reference counter.
+			 */
+			status = gpe_event_info->runtime_count ?
+				acpi_ev_enable_gpe(gpe_event_info) :
+				acpi_enable_gpe(gpe_device, gpe_number);
  
-			status = acpi_enable_gpe(gpe_device, gpe_number,
-						 ACPI_GPE_TYPE_RUNTIME);
 			if (ACPI_FAILURE(status)) {
 				ACPI_EXCEPTION((AE_INFO, status,
 						"Could not enable GPE 0x%02X",
  
@@ -542,10 +498,10 @@
 		}
 	}
  
-	if (gpe_enabled_count || wake_gpe_count) {
+	if (gpe_enabled_count) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INIT,
-				  "Enabled %u Runtime GPEs, added %u Wake GPEs in this block\n",
-				  gpe_enabled_count, wake_gpe_count));
+				  "Enabled %u GPEs in this block\n",
+				  gpe_enabled_count));
 	}
  
 	return_ACPI_STATUS(AE_OK);
@@ -211,9 +211,7 @@
  * DESCRIPTION: Check for new GPE methods (_Lxx/_Exx) made available as a
  *              result of a Load() or load_table() operation. If new GPE
  *              methods have been installed, register the new methods and
- *              enable and runtime GPEs that are associated with them. Also,
- *              run any newly loaded _PRW methods in order to discover any
- *              new CAN_WAKE GPEs.
+ *              enable and runtime GPEs that are associated with them.
  *
  ******************************************************************************/
  
  
  
@@ -223,49 +221,12 @@
 	struct acpi_gpe_block_info *gpe_block;
 	struct acpi_gpe_walk_info walk_info;
 	acpi_status status = AE_OK;
-	u32 new_wake_gpe_count = 0;
  
-	/* We will examine only _PRW/_Lxx/_Exx methods owned by this table */
-
-	walk_info.owner_id = table_owner_id;
-	walk_info.execute_by_owner_id = TRUE;
-	walk_info.count = 0;
-
-	if (acpi_gbl_leave_wake_gpes_disabled) {
-		/*
-		 * 1) Run any newly-loaded _PRW methods to find any GPEs that
-		 * can now be marked as CAN_WAKE GPEs. Note: We must run the
-		 * _PRW methods before we process the _Lxx/_Exx methods because
-		 * we will enable all runtime GPEs associated with the new
-		 * _Lxx/_Exx methods at the time we process those methods.
-		 *
-		 * Unlock interpreter so that we can run the _PRW methods.
-		 */
-		walk_info.gpe_block = NULL;
-		walk_info.gpe_device = NULL;
-
-		acpi_ex_exit_interpreter();
-
-		status =
-		    acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-					   ACPI_UINT32_MAX,
-					   ACPI_NS_WALK_NO_UNLOCK,
-					   acpi_ev_match_prw_and_gpe, NULL,
-					   &walk_info, NULL);
-		if (ACPI_FAILURE(status)) {
-			ACPI_EXCEPTION((AE_INFO, status,
-					"While executing _PRW methods"));
-		}
-
-		acpi_ex_enter_interpreter();
-		new_wake_gpe_count = walk_info.count;
-	}
-
 	/*
 	 * 2) Find any _Lxx/_Exx GPE methods that have just been loaded.
 	 *
-	 * Any GPEs that correspond to new _Lxx/_Exx methods and are not
-	 * marked as CAN_WAKE are immediately enabled.
+	 * Any GPEs that correspond to new _Lxx/_Exx methods are immediately
+	 * enabled.
 	 *
 	 * Examine the namespace underneath each gpe_device within the
 	 * gpe_block lists.
@@ -275,6 +236,8 @@
 		return;
 	}
  
+	walk_info.owner_id = table_owner_id;
+	walk_info.execute_by_owner_id = TRUE;
 	walk_info.count = 0;
 	walk_info.enable_this_gpe = TRUE;
  
@@ -307,10 +270,8 @@
 		gpe_xrupt_info = gpe_xrupt_info->next;
 	}
  
-	if (walk_info.count || new_wake_gpe_count) {
-		ACPI_INFO((AE_INFO,
-			   "Enabled %u new runtime GPEs, added %u new wakeup GPEs",
-			   walk_info.count, new_wake_gpe_count));
+	if (walk_info.count) {
+		ACPI_INFO((AE_INFO, "Enabled %u new GPEs", walk_info.count));
 	}
  
 	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
@@ -386,9 +347,6 @@
 	/*
 	 * 3) Edge/Level determination is based on the 2nd character
 	 *    of the method name
-	 *
-	 * NOTE: Default GPE type is RUNTIME only. Later, if a _PRW object is
-	 * found that points to this GPE, the ACPI_GPE_CAN_WAKE flag is set.
 	 */
 	switch (name[1]) {
 	case 'L':
  
  
  
@@ -471,184 +429,24 @@
 	 */
 	if (walk_info->enable_this_gpe) {
  
-		/* Ignore GPEs that can wake the system */
+		walk_info->count++;
+		gpe_device = walk_info->gpe_device;
  
-		if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE) ||
-		    !acpi_gbl_leave_wake_gpes_disabled) {
-			walk_info->count++;
-			gpe_device = walk_info->gpe_device;
+		if (gpe_device == acpi_gbl_fadt_gpe_device) {
+			gpe_device = NULL;
+		}
  
-			if (gpe_device == acpi_gbl_fadt_gpe_device) {
-				gpe_device = NULL;
-			}
-
-			status = acpi_enable_gpe(gpe_device, gpe_number,
-						 ACPI_GPE_TYPE_RUNTIME);
-			if (ACPI_FAILURE(status)) {
-				ACPI_EXCEPTION((AE_INFO, status,
-						"Could not enable GPE 0x%02X",
-						gpe_number));
-			}
+		status = acpi_enable_gpe(gpe_device, gpe_number);
+		if (ACPI_FAILURE(status)) {
+			ACPI_EXCEPTION((AE_INFO, status,
+					"Could not enable GPE 0x%02X",
+					gpe_number));
 		}
 	}
  
 	ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
 			  "Registered GPE method %s as GPE number 0x%.2X\n",
 			  name, gpe_number));
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ev_match_prw_and_gpe
- *
- * PARAMETERS:  Callback from walk_namespace
- *
- * RETURN:      Status. NOTE: We ignore errors so that the _PRW walk is
- *              not aborted on a single _PRW failure.
- *
- * DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
- *              Device. Run the _PRW method. If present, extract the GPE
- *              number and mark the GPE as a CAN_WAKE GPE. Allows a
- *              per-owner_id execution if execute_by_owner_id is TRUE in the
- *              walk_info parameter block.
- *
- * If walk_info->execute_by_owner_id is TRUE, we only execute _PRWs with that
- *    owner.
- * If walk_info->gpe_device is NULL, we execute every _PRW found. Otherwise,
- *    we only execute _PRWs that refer to the input gpe_device.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
-			  u32 level, void *context, void **return_value)
-{
-	struct acpi_gpe_walk_info *walk_info =
-	    ACPI_CAST_PTR(struct acpi_gpe_walk_info, context);
-	struct acpi_namespace_node *gpe_device;
-	struct acpi_gpe_block_info *gpe_block;
-	struct acpi_namespace_node *target_gpe_device;
-	struct acpi_namespace_node *prw_node;
-	struct acpi_gpe_event_info *gpe_event_info;
-	union acpi_operand_object *pkg_desc;
-	union acpi_operand_object *obj_desc;
-	u32 gpe_number;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ev_match_prw_and_gpe);
-
-	/* Check for a _PRW method under this device */
-
-	status = acpi_ns_get_node(obj_handle, METHOD_NAME__PRW,
-				  ACPI_NS_NO_UPSEARCH, &prw_node);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Check if requested owner_id matches this owner_id */
-
-	if ((walk_info->execute_by_owner_id) &&
-	    (prw_node->owner_id != walk_info->owner_id)) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Execute the _PRW */
-
-	status = acpi_ut_evaluate_object(prw_node, NULL,
-					 ACPI_BTYPE_PACKAGE, &pkg_desc);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* The returned _PRW package must have at least two elements */
-
-	if (pkg_desc->package.count < 2) {
-		goto cleanup;
-	}
-
-	/* Extract pointers from the input context */
-
-	gpe_device = walk_info->gpe_device;
-	gpe_block = walk_info->gpe_block;
-
-	/*
-	 * The _PRW object must return a package, we are only interested
-	 * in the first element
-	 */
-	obj_desc = pkg_desc->package.elements[0];
-
-	if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
-
-		/* Use FADT-defined GPE device (from definition of _PRW) */
-
-		target_gpe_device = NULL;
-		if (gpe_device) {
-			target_gpe_device = acpi_gbl_fadt_gpe_device;
-		}
-
-		/* Integer is the GPE number in the FADT described GPE blocks */
-
-		gpe_number = (u32)obj_desc->integer.value;
-	} else if (obj_desc->common.type == ACPI_TYPE_PACKAGE) {
-
-		/* Package contains a GPE reference and GPE number within a GPE block */
-
-		if ((obj_desc->package.count < 2) ||
-		    ((obj_desc->package.elements[0])->common.type !=
-		     ACPI_TYPE_LOCAL_REFERENCE) ||
-		    ((obj_desc->package.elements[1])->common.type !=
-		     ACPI_TYPE_INTEGER)) {
-			goto cleanup;
-		}
-
-		/* Get GPE block reference and decode */
-
-		target_gpe_device =
-		    obj_desc->package.elements[0]->reference.node;
-		gpe_number = (u32)obj_desc->package.elements[1]->integer.value;
-	} else {
-		/* Unknown type, just ignore it */
-
-		goto cleanup;
-	}
-
-	/* Get the gpe_event_info for this GPE */
-
-	if (gpe_device) {
-		/*
-		 * Is this GPE within this block?
-		 *
-		 * TRUE if and only if these conditions are true:
-		 *     1) The GPE devices match.
-		 *     2) The GPE index(number) is within the range of the Gpe Block
-		 *          associated with the GPE device.
-		 */
-		if (gpe_device != target_gpe_device) {
-			goto cleanup;
-		}
-
-		gpe_event_info =
-		    acpi_ev_low_get_gpe_info(gpe_number, gpe_block);
-	} else {
-		/* gpe_device is NULL, just match the target_device and gpe_number */
-
-		gpe_event_info =
-		    acpi_ev_get_gpe_event_info(target_gpe_device, gpe_number);
-	}
-
-	if (gpe_event_info) {
-		if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
-
-			/* This GPE can wake the system */
-
-			gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
-			walk_info->count++;
-		}
-	}
-
-      cleanup:
-	acpi_ut_remove_reference(pkg_desc);
 	return_ACPI_STATUS(AE_OK);
 }
@@ -199,7 +199,7 @@
 		return_ACPI_STATUS(status);
 	}
  
-	parent_node = acpi_ns_get_parent_node(region_obj->region.node);
+	parent_node = region_obj->region.node->parent;
  
 	/*
 	 * Get the _SEG and _BBN values from the device upon which the handler
@@ -248,7 +248,7 @@
 				break;
 			}
  
-			pci_root_node = acpi_ns_get_parent_node(pci_root_node);
+			pci_root_node = pci_root_node->parent;
 		}
  
 		/* PCI root bridge not found, use namespace root node */
@@ -280,7 +280,7 @@
 	 */
 	pci_device_node = region_obj->region.node;
 	while (pci_device_node && (pci_device_node->type != ACPI_TYPE_DEVICE)) {
-		pci_device_node = acpi_ns_get_parent_node(pci_device_node);
+		pci_device_node = pci_device_node->parent;
 	}
  
 	if (!pci_device_node) {
@@ -521,7 +521,7 @@
 		return_ACPI_STATUS(AE_NOT_EXIST);
 	}
  
-	node = acpi_ns_get_parent_node(region_obj->region.node);
+	node = region_obj->region.node->parent;
 	space_id = region_obj->region.space_id;
  
 	/* Setup defaults */
@@ -654,7 +654,7 @@
  
 		/* This node does not have the handler we need; Pop up one level */
  
-		node = acpi_ns_get_parent_node(node);
+		node = node->parent;
 	}
  
 	/* If we get here, there is no handler for this region */
@@ -213,101 +213,71 @@
  
 /*******************************************************************************
  *
- * FUNCTION:    acpi_clear_and_enable_gpe
+ * FUNCTION:    acpi_gpe_wakeup
  *
- * PARAMETERS:  gpe_event_info  - GPE to enable
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Clear the given GPE from stale events and enable it.
- *
- ******************************************************************************/
-static acpi_status
-acpi_clear_and_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
-{
-	acpi_status status;
-
-	/*
-	 * We will only allow a GPE to be enabled if it has either an
-	 * associated method (_Lxx/_Exx) or a handler. Otherwise, the
-	 * GPE will be immediately disabled by acpi_ev_gpe_dispatch the
-	 * first time it fires.
-	 */
-	if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)) {
-		return_ACPI_STATUS(AE_NO_HANDLER);
-	}
-
-	/* Clear the GPE (of stale events) */
-	status = acpi_hw_clear_gpe(gpe_event_info);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Enable the requested GPE */
-	status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_set_gpe
- *
  * PARAMETERS:  gpe_device      - Parent GPE Device. NULL for GPE0/GPE1
  *              gpe_number      - GPE level within the GPE block
- *              action          - ACPI_GPE_ENABLE or ACPI_GPE_DISABLE
+ *              Action          - Enable or Disable
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Enable or disable an individual GPE. This function bypasses
- *              the reference count mechanism used in the acpi_enable_gpe and
- *              acpi_disable_gpe interfaces -- and should be used with care.
+ * DESCRIPTION: Set or clear the GPE's wakeup enable mask bit.
  *
- * Note: Typically used to disable a runtime GPE for short period of time,
- * then re-enable it, without disturbing the existing reference counts. This
- * is useful, for example, in the Embedded Controller (EC) driver.
- *
  ******************************************************************************/
-acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action)
+acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action)
 {
+	acpi_status status = AE_OK;
 	struct acpi_gpe_event_info *gpe_event_info;
-	acpi_status status;
+	struct acpi_gpe_register_info *gpe_register_info;
 	acpi_cpu_flags flags;
+	u32 register_bit;
  
-	ACPI_FUNCTION_TRACE(acpi_set_gpe);
+	ACPI_FUNCTION_TRACE(acpi_gpe_wakeup);
  
 	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
  
 	/* Ensure that we have a valid GPE number */
  
 	gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
-	if (!gpe_event_info) {
+	if (!gpe_event_info || !(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
 		status = AE_BAD_PARAMETER;
 		goto unlock_and_exit;
 	}
  
+	gpe_register_info = gpe_event_info->register_info;
+	if (!gpe_register_info) {
+		status = AE_NOT_EXIST;
+		goto unlock_and_exit;
+	}
+
+	register_bit =
+	    acpi_hw_get_gpe_register_bit(gpe_event_info, gpe_register_info);
+
 	/* Perform the action */
  
 	switch (action) {
 	case ACPI_GPE_ENABLE:
-		status = acpi_clear_and_enable_gpe(gpe_event_info);
+		ACPI_SET_BIT(gpe_register_info->enable_for_wake,
+			     (u8)register_bit);
 		break;
  
 	case ACPI_GPE_DISABLE:
-		status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
+		ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
+			       (u8)register_bit);
 		break;
  
 	default:
+		ACPI_ERROR((AE_INFO, "%u, Invalid action", action));
 		status = AE_BAD_PARAMETER;
 		break;
 	}
  
-      unlock_and_exit:
+unlock_and_exit:
 	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
 	return_ACPI_STATUS(status);
 }
  
-ACPI_EXPORT_SYMBOL(acpi_set_gpe)
+ACPI_EXPORT_SYMBOL(acpi_gpe_wakeup)
  
 /*******************************************************************************
  *
  
  
@@ -315,17 +285,14 @@
  *
  * PARAMETERS:  gpe_device      - Parent GPE Device. NULL for GPE0/GPE1
  *              gpe_number      - GPE level within the GPE block
- *              gpe_type        - ACPI_GPE_TYPE_RUNTIME or ACPI_GPE_TYPE_WAKE
- *                                or both
  *
  * RETURN:      Status
  *
  * DESCRIPTION: Add a reference to a GPE. On the first reference, the GPE is
- *              hardware-enabled (for runtime GPEs), or the GPE register mask
- *              is updated (for wake GPEs).
+ *              hardware-enabled.
  *
  ******************************************************************************/
-acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
+acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
 {
 	acpi_status status = AE_OK;
 	struct acpi_gpe_event_info *gpe_event_info;
@@ -333,12 +300,6 @@
  
 	ACPI_FUNCTION_TRACE(acpi_enable_gpe);
  
-	/* Parameter validation */
-
-	if (!gpe_type || (gpe_type & ~ACPI_GPE_TYPE_WAKE_RUN)) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
 	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
  
 	/* Ensure that we have a valid GPE number */
  
  
  
@@ -349,47 +310,20 @@
 		goto unlock_and_exit;
 	}
  
-	if (gpe_type & ACPI_GPE_TYPE_RUNTIME) {
-		if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) {
-			status = AE_LIMIT;	/* Too many references */
-			goto unlock_and_exit;
-		}
-
-		gpe_event_info->runtime_count++;
-		if (gpe_event_info->runtime_count == 1) {
-			status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
-			if (ACPI_SUCCESS(status)) {
-				status = acpi_clear_and_enable_gpe(gpe_event_info);
-			}
-
-			if (ACPI_FAILURE(status)) {
-				gpe_event_info->runtime_count--;
-				goto unlock_and_exit;
-			}
-		}
+	if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) {
+		status = AE_LIMIT;	/* Too many references */
+		goto unlock_and_exit;
 	}
  
-	if (gpe_type & ACPI_GPE_TYPE_WAKE) {
-		/* The GPE must have the ability to wake the system */
-
-		if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
-			status = AE_TYPE;
-			goto unlock_and_exit;
+	gpe_event_info->runtime_count++;
+	if (gpe_event_info->runtime_count == 1) {
+		status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
+		if (ACPI_SUCCESS(status)) {
+			status = acpi_ev_enable_gpe(gpe_event_info);
 		}
-
-		if (gpe_event_info->wakeup_count == ACPI_UINT8_MAX) {
-			status = AE_LIMIT;	/* Too many references */
-			goto unlock_and_exit;
+		if (ACPI_FAILURE(status)) {
+			gpe_event_info->runtime_count--;
 		}
-
-		/*
-		 * Update the enable mask on the first wakeup reference. Wake GPEs
-		 * are only hardware-enabled just before sleeping.
-		 */
-		gpe_event_info->wakeup_count++;
-		if (gpe_event_info->wakeup_count == 1) {
-			status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
-		}
 	}
  
 unlock_and_exit:
@@ -404,8 +338,6 @@
  *
  * PARAMETERS:  gpe_device      - Parent GPE Device. NULL for GPE0/GPE1
  *              gpe_number      - GPE level within the GPE block
- *              gpe_type        - ACPI_GPE_TYPE_RUNTIME or ACPI_GPE_TYPE_WAKE
- *                                or both
  *
  * RETURN:      Status
  *
@@ -414,7 +346,7 @@
  *              the GPE mask bit disabled (for wake GPEs)
  *
  ******************************************************************************/
-acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
+acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
 {
 	acpi_status status = AE_OK;
 	struct acpi_gpe_event_info *gpe_event_info;
@@ -422,12 +354,6 @@
  
 	ACPI_FUNCTION_TRACE(acpi_disable_gpe);
  
-	/* Parameter validation */
-
-	if (!gpe_type || (gpe_type & ~ACPI_GPE_TYPE_WAKE_RUN)) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
 	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
  
 	/* Ensure that we have a valid GPE number */
  
  
@@ -440,41 +366,21 @@
  
 	/* Hardware-disable a runtime GPE on removal of the last reference */
  
-	if (gpe_type & ACPI_GPE_TYPE_RUNTIME) {
-		if (!gpe_event_info->runtime_count) {
-			status = AE_LIMIT;	/* There are no references to remove */
-			goto unlock_and_exit;
-		}
-
-		gpe_event_info->runtime_count--;
-		if (!gpe_event_info->runtime_count) {
-			status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
-			if (ACPI_SUCCESS(status)) {
-				status = acpi_hw_low_set_gpe(gpe_event_info,
-							     ACPI_GPE_DISABLE);
-			}
-
-			if (ACPI_FAILURE(status)) {
-				gpe_event_info->runtime_count++;
-				goto unlock_and_exit;
-			}
-		}
+	if (!gpe_event_info->runtime_count) {
+		status = AE_LIMIT;	/* There are no references to remove */
+		goto unlock_and_exit;
 	}
  
-	/*
-	 * Update masks for wake GPE on removal of the last reference.
-	 * No need to hardware-disable wake GPEs here, they are not currently
-	 * enabled.
-	 */
-	if (gpe_type & ACPI_GPE_TYPE_WAKE) {
-		if (!gpe_event_info->wakeup_count) {
-			status = AE_LIMIT;	/* There are no references to remove */
-			goto unlock_and_exit;
+	gpe_event_info->runtime_count--;
+	if (!gpe_event_info->runtime_count) {
+		status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
+		if (ACPI_SUCCESS(status)) {
+			status =
+			    acpi_hw_low_set_gpe(gpe_event_info,
+						ACPI_GPE_DISABLE);
 		}
-
-		gpe_event_info->wakeup_count--;
-		if (!gpe_event_info->wakeup_count) {
-			status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
+		if (ACPI_FAILURE(status)) {
+			gpe_event_info->runtime_count++;
 		}
 	}
  
@@ -486,6 +392,59 @@
  
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_gpe_can_wake
+ *
+ * PARAMETERS:  gpe_device      - Parent GPE Device. NULL for GPE0/GPE1
+ *              gpe_number      - GPE level within the GPE block
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Set the ACPI_GPE_CAN_WAKE flag for the given GPE.  If the GPE
+ *              has a corresponding method and is currently enabled, disable it
+ *              (GPEs with corresponding methods are enabled unconditionally
+ *              during initialization, but GPEs that can wake up are expected
+ *              to be initially disabled).
+ *
+ ******************************************************************************/
+acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number)
+{
+	acpi_status status = AE_OK;
+	struct acpi_gpe_event_info *gpe_event_info;
+	acpi_cpu_flags flags;
+	u8 disable = 0;
+
+	ACPI_FUNCTION_TRACE(acpi_gpe_can_wake);
+
+	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+	/* Ensure that we have a valid GPE number */
+
+	gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+	if (!gpe_event_info) {
+		status = AE_BAD_PARAMETER;
+		goto unlock_and_exit;
+	}
+
+	if (gpe_event_info->flags & ACPI_GPE_CAN_WAKE) {
+		goto unlock_and_exit;
+	}
+
+	gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
+	disable = (gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD)
+		&& gpe_event_info->runtime_count;
+
+unlock_and_exit:
+	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
+	if (disable)
+		status = acpi_disable_gpe(gpe_device, gpe_number);
+
+	return_ACPI_STATUS(status);
+}
+ACPI_EXPORT_SYMBOL(acpi_gpe_can_wake)
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_disable_event
  *
  * PARAMETERS:  Event           - The fixed eventto be enabled
@@ -800,7 +759,7 @@
  
 	obj_desc->device.gpe_block = gpe_block;
  
-	/* Run the _PRW methods and enable the runtime GPEs in the new block */
+	/* Enable the runtime GPEs in the new block */
  
 	status = acpi_ev_initialize_gpe_block(node, gpe_block);
  
@@ -120,7 +120,7 @@
 	acpi_ns_exec_module_code_list();
 	acpi_ex_enter_interpreter();
  
-	/* Update GPEs for any new _PRW or _Lxx/_Exx methods. Ignore errors */
+	/* Update GPEs for any new _Lxx/_Exx methods. Ignore errors */
  
 	status = acpi_tb_get_owner_id(table_index, &owner_id);
 	if (ACPI_SUCCESS(status)) {
@@ -742,7 +742,7 @@
 	}
  
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "**** Start operand dump for opcode [%s], %d operands\n",
+			  "**** Start operand dump for opcode [%s], %u operands\n",
 			  opcode_name, num_operands));
  
 	if (num_operands == 0) {
@@ -812,7 +812,7 @@
 	acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type));
 	acpi_ex_out_pointer("Attached Object",
 			    acpi_ns_get_attached_object(node));
-	acpi_ex_out_pointer("Parent", acpi_ns_get_parent_node(node));
+	acpi_ex_out_pointer("Parent", node->parent);
  
 	acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
 			    acpi_ex_dump_node);
@@ -945,7 +945,7 @@
  
 	case ACPI_TYPE_PACKAGE:
  
-		acpi_os_printf("[Package] Contains %d Elements:\n",
+		acpi_os_printf("[Package] Contains %u Elements:\n",
 			       obj_desc->package.count);
  
 		for (i = 0; i < obj_desc->package.count; i++) {
@@ -534,13 +534,13 @@
 	if (ACPI_SUCCESS(status)) {
 		if (read_write == ACPI_READ) {
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Value Read %8.8X%8.8X, Width %d\n",
+					  "Value Read %8.8X%8.8X, Width %u\n",
 					  ACPI_FORMAT_UINT64(*value),
 					  obj_desc->common_field.
 					  access_byte_width));
 		} else {
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Value Written %8.8X%8.8X, Width %d\n",
+					  "Value Written %8.8X%8.8X, Width %u\n",
 					  ACPI_FORMAT_UINT64(*value),
 					  obj_desc->common_field.
 					  access_byte_width));
@@ -108,11 +108,11 @@
 	field_byte_length = field_byte_end_offset - field_byte_offset;
  
 	ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-			  "Bit length %d, Bit offset %d\n",
+			  "Bit length %u, Bit offset %u\n",
 			  field_bit_length, field_bit_offset));
  
 	ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-			  "Byte Length %d, Byte Offset %d, End Offset %d\n",
+			  "Byte Length %u, Byte Offset %u, End Offset %u\n",
 			  field_byte_length, field_byte_offset,
 			  field_byte_end_offset));
  
  
@@ -147,11 +147,11 @@
 			accesses = field_end_offset - field_start_offset;
  
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "AccessWidth %d end is within region\n",
+					  "AccessWidth %u end is within region\n",
 					  access_byte_width));
  
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Field Start %d, Field End %d -- requires %d accesses\n",
+					  "Field Start %u, Field End %u -- requires %u accesses\n",
 					  field_start_offset, field_end_offset,
 					  accesses));
  
@@ -159,7 +159,7 @@
  
 			if (accesses <= 1) {
 				ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-						  "Entire field can be accessed with one operation of size %d\n",
+						  "Entire field can be accessed with one operation of size %u\n",
 						  access_byte_width));
 				return_VALUE(access_byte_width);
 			}
@@ -174,7 +174,7 @@
 			}
 		} else {
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "AccessWidth %d end is NOT within region\n",
+					  "AccessWidth %u end is NOT within region\n",
 					  access_byte_width));
 			if (access_byte_width == 1) {
 				ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
@@ -190,7 +190,7 @@
 			 * previous access
 			 */
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Backing off to previous optimal access width of %d\n",
+					  "Backing off to previous optimal access width of %u\n",
 					  minimum_access_width));
 			return_VALUE(minimum_access_width);
 		}
@@ -384,15 +384,6 @@
 	obj_desc->common_field.start_field_bit_offset = (u8)
 	    (field_bit_position -
 	     ACPI_MUL_8(obj_desc->common_field.base_byte_offset));
-
-	/*
-	 * Does the entire field fit within a single field access element? (datum)
-	 * (i.e., without crossing a datum boundary)
-	 */
-	if ((obj_desc->common_field.start_field_bit_offset +
-	     field_bit_length) <= (u16) access_bit_width) {
-		obj_desc->common.flags |= AOPOBJ_SINGLE_DATUM;
-	}
  
 	return_ACPI_STATUS(AE_OK);
 }
@@ -194,7 +194,7 @@
 	    ((u64) address - (u64) mem_info->mapped_physical_address);
  
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-			  "System-Memory (width %d) R/W %d Address=%8.8X%8.8X\n",
+			  "System-Memory (width %u) R/W %u Address=%8.8X%8.8X\n",
 			  bit_width, function,
 			  ACPI_FORMAT_NATIVE_UINT(address)));
  
@@ -297,7 +297,7 @@
 	ACPI_FUNCTION_TRACE(ex_system_io_space_handler);
  
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-			  "System-IO (width %d) R/W %d Address=%8.8X%8.8X\n",
+			  "System-IO (width %u) R/W %u Address=%8.8X%8.8X\n",
 			  bit_width, function,
 			  ACPI_FORMAT_NATIVE_UINT(address)));
  
@@ -373,7 +373,7 @@
 	pci_register = (u16) (u32) address;
  
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-			  "Pci-Config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
+			  "Pci-Config %u (%u) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
 			  function, bit_width, pci_id->segment, pci_id->bus,
 			  pci_id->device, pci_id->function, pci_register));
  
@@ -57,7 +57,7 @@
  
 /******************************************************************************
  *
- * FUNCTION:	acpi_hw_gpe_register_bit
+ * FUNCTION:	acpi_hw_get_gpe_register_bit
  *
  * PARAMETERS:	gpe_event_info	    - Info block for the GPE
  *		gpe_register_info   - Info block for the GPE register
@@ -69,7 +69,7 @@
  *
  ******************************************************************************/
  
-u32 acpi_hw_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
+u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
 			     struct acpi_gpe_register_info *gpe_register_info)
 {
 	return (u32)1 << (gpe_event_info->gpe_number -
@@ -115,7 +115,7 @@
  
 	/* Set ot clear just the bit that corresponds to this GPE */
  
-	register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
+	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
 	switch (action) {
 	case ACPI_GPE_COND_ENABLE:
@@ -143,31 +143,6 @@
  
 /******************************************************************************
  *
- * FUNCTION:    acpi_hw_write_gpe_enable_reg
- *
- * PARAMETERS:  gpe_event_info      - Info block for the GPE to be enabled
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Write a GPE enable register.  Note: The bit for this GPE must
- *              already be cleared or set in the parent register
- *              enable_for_run mask.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info)
-{
-	acpi_status status;
-
-	ACPI_FUNCTION_ENTRY();
-
-	status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_COND_ENABLE);
-	return (status);
-}
-
-/******************************************************************************
- *
  * FUNCTION:    acpi_hw_clear_gpe
  *
  * PARAMETERS:  gpe_event_info      - Info block for the GPE to be cleared
@@ -193,7 +168,7 @@
 		return (AE_NOT_EXIST);
 	}
  
-	register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
+	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
  
 	/*
@@ -241,7 +216,7 @@
  
 	/* Get the register bitmask for this GPE */
  
-	register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
+	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
  
 	/* GPE currently enabled? (enabled for runtime?) */
@@ -307,7 +307,7 @@
 		return_ACPI_STATUS(status);
 	}
 	ACPI_DEBUG_PRINT((ACPI_DB_INIT,
-			  "Entering sleep state [S%d]\n", sleep_state));
+			  "Entering sleep state [S%u]\n", sleep_state));
  
 	/* Clear the SLP_EN and SLP_TYP fields */
  
@@ -338,8 +338,7 @@
 			 */
 			while (!acpi_ns_opens_scope(prefix_node->type) &&
 			       prefix_node->type != ACPI_TYPE_ANY) {
-				prefix_node =
-				    acpi_ns_get_parent_node(prefix_node);
+				prefix_node = prefix_node->parent;
 			}
 		}
 	}
@@ -419,7 +418,7 @@
 				/* Backup to the parent node */
  
 				num_carats++;
-				this_node = acpi_ns_get_parent_node(this_node);
+				this_node = this_node->parent;
 				if (!this_node) {
  
 					/* Current scope has no parent scope */
@@ -433,7 +432,7 @@
  
 			if (search_parent_flag == ACPI_NS_NO_UPSEARCH) {
 				ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
-						  "Search scope is [%4.4s], path has %d carat(s)\n",
+						  "Search scope is [%4.4s], path has %u carat(s)\n",
 						  acpi_ut_get_node_name
 						  (this_node), num_carats));
 			}
@@ -495,7 +494,7 @@
 			path++;
  
 			ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
-					  "Multi Pathname (%d Segments, Flags=%X)\n",
+					  "Multi Pathname (%u Segments, Flags=%X)\n",
 					  num_segments, flags));
 			break;
  
@@ -159,7 +159,7 @@
  
 	ACPI_FUNCTION_TRACE_PTR(ns_remove_node, node);
  
-	parent_node = acpi_ns_get_parent_node(node);
+	parent_node = node->parent;
  
 	prev_node = NULL;
 	next_node = parent_node->child;
  
  
@@ -168,29 +168,20 @@
  
 	while (next_node != node) {
 		prev_node = next_node;
-		next_node = prev_node->peer;
+		next_node = next_node->peer;
 	}
  
 	if (prev_node) {
  
 		/* Node is not first child, unlink it */
  
-		prev_node->peer = next_node->peer;
-		if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
-			prev_node->flags |= ANOBJ_END_OF_PEER_LIST;
-		}
+		prev_node->peer = node->peer;
 	} else {
-		/* Node is first child (has no previous peer) */
-
-		if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
-
-			/* No peers at all */
-
-			parent_node->child = NULL;
-		} else {	/* Link peer list to parent */
-
-			parent_node->child = next_node->peer;
-		}
+		/*
+		 * Node is first child (has no previous peer).
+		 * Link peer list to parent
+		 */
+		parent_node->child = node->peer;
 	}
  
 	/* Delete the node and any attached objects */
  
  
  
  
  
  
  
@@ -228,33 +219,42 @@
  
 	ACPI_FUNCTION_TRACE(ns_install_node);
  
-	/*
-	 * Get the owner ID from the Walk state. The owner ID is used to track
-	 * table deletion and deletion of objects created by methods.
-	 */
 	if (walk_state) {
+		/*
+		 * Get the owner ID from the Walk state. The owner ID is used to
+		 * track table deletion and deletion of objects created by methods.
+		 */
 		owner_id = walk_state->owner_id;
+
+		if ((walk_state->method_desc) &&
+		    (parent_node != walk_state->method_node)) {
+			/*
+			 * A method is creating a new node that is not a child of the
+			 * method (it is non-local). Mark the executing method as having
+			 * modified the namespace. This is used for cleanup when the
+			 * method exits.
+			 */
+			walk_state->method_desc->method.flags |=
+			    AOPOBJ_MODIFIED_NAMESPACE;
+		}
 	}
  
 	/* Link the new entry into the parent and existing children */
  
+	node->peer = NULL;
+	node->parent = parent_node;
 	child_node = parent_node->child;
+
 	if (!child_node) {
 		parent_node->child = node;
-		node->flags |= ANOBJ_END_OF_PEER_LIST;
-		node->peer = parent_node;
 	} else {
-		while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) {
+		/* Add node to the end of the peer list */
+
+		while (child_node->peer) {
 			child_node = child_node->peer;
 		}
  
 		child_node->peer = node;
-
-		/* Clear end-of-list flag */
-
-		child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
-		node->flags |= ANOBJ_END_OF_PEER_LIST;
-		node->peer = parent_node;
 	}
  
 	/* Init the new entry */
  
@@ -288,9 +288,8 @@
  
 void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
 {
-	struct acpi_namespace_node *child_node;
 	struct acpi_namespace_node *next_node;
-	u8 flags;
+	struct acpi_namespace_node *node_to_delete;
  
 	ACPI_FUNCTION_TRACE_PTR(ns_delete_children, parent_node);
  
  
  
  
  
  
  
@@ -298,38 +297,27 @@
 		return_VOID;
 	}
  
-	/* If no children, all done! */
-
-	child_node = parent_node->child;
-	if (!child_node) {
-		return_VOID;
-	}
-
 	/* Deallocate all children at this level */
  
-	do {
+	next_node = parent_node->child;
+	while (next_node) {
  
-		/* Get the things we need */
-
-		next_node = child_node->peer;
-		flags = child_node->flags;
-
 		/* Grandchildren should have all been deleted already */
  
-		if (child_node->child) {
+		if (next_node->child) {
 			ACPI_ERROR((AE_INFO, "Found a grandchild! P=%p C=%p",
-				    parent_node, child_node));
+				    parent_node, next_node));
 		}
  
 		/*
 		 * Delete this child node and move on to the next child in the list.
 		 * No need to unlink the node since we are deleting the entire branch.
 		 */
-		acpi_ns_delete_node(child_node);
-		child_node = next_node;
+		node_to_delete = next_node;
+		next_node = next_node->peer;
+		acpi_ns_delete_node(node_to_delete);
+	};
  
-	} while (!(flags & ANOBJ_END_OF_PEER_LIST));
-
 	/* Clear the parent's child pointer */
  
 	parent_node->child = NULL;
@@ -405,7 +393,7 @@
  
 			/* Move up the tree to the grandparent */
  
-			parent_node = acpi_ns_get_parent_node(parent_node);
+			parent_node = parent_node->parent;
 		}
 	}
  
@@ -510,7 +498,7 @@
  
 			/* Move up the tree to the grandparent */
  
-			parent_node = acpi_ns_get_parent_node(parent_node);
+			parent_node = parent_node->parent;
 		}
 	}
  
@@ -441,7 +441,7 @@
 			return (AE_OK);
 		}
  
-		acpi_os_printf("(R%d)", obj_desc->common.reference_count);
+		acpi_os_printf("(R%u)", obj_desc->common.reference_count);
  
 		switch (type) {
 		case ACPI_TYPE_METHOD:
@@ -103,8 +103,8 @@
 	}
  
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-			      "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd "
-			      "Buffers %hd/%hd Packages (%hd nodes)\n",
+			      "\nInitialized %u/%u Regions %u/%u Fields %u/%u "
+			      "Buffers %u/%u Packages (%u nodes)\n",
 			      info.op_region_init, info.op_region_count,
 			      info.field_init, info.field_count,
 			      info.buffer_init, info.buffer_count,
  
@@ -112,9 +112,9 @@
 			      info.object_count));
  
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "%hd Control Methods found\n", info.method_count));
+			  "%u Control Methods found\n", info.method_count));
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "%hd Op Regions found\n", info.op_region_count));
+			  "%u Op Regions found\n", info.op_region_count));
  
 	return_ACPI_STATUS(AE_OK);
 }
@@ -208,8 +208,8 @@
 	}
  
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-			      "\nExecuted %hd _INI methods requiring %hd _STA executions "
-			      "(examined %hd objects)\n",
+			      "\nExecuted %u _INI methods requiring %u _STA executions "
+			      "(examined %u objects)\n",
 			      info.num_INI, info.num_STA, info.device_count));
  
 	return_ACPI_STATUS(status);
@@ -410,7 +410,7 @@
 	 * The only _INI methods that we care about are those that are
 	 * present under Device, Processor, and Thermal objects.
 	 */
-	parent_node = acpi_ns_get_parent_node(node);
+	parent_node = node->parent;
 	switch (parent_node->type) {
 	case ACPI_TYPE_DEVICE:
 	case ACPI_TYPE_PROCESSOR:
@@ -420,7 +420,7 @@
  
 		while (parent_node) {
 			parent_node->flags |= ANOBJ_SUBTREE_HAS_INI;
-			parent_node = acpi_ns_get_parent_node(parent_node);
+			parent_node = parent_node->parent;
 		}
 		break;
  
@@ -93,7 +93,7 @@
 		/* Put the name into the buffer */
  
 		ACPI_MOVE_32_TO_32((name_buffer + index), &parent_node->name);
-		parent_node = acpi_ns_get_parent_node(parent_node);
+		parent_node = parent_node->parent;
  
 		/* Prefix name with the path separator */
  
@@ -198,7 +198,7 @@
 			return 0;
 		}
 		size += ACPI_PATH_SEGMENT_LENGTH;
-		next_node = acpi_ns_get_parent_node(next_node);
+		next_node = next_node->parent;
 	}
  
 	if (!size) {
@@ -136,8 +136,8 @@
  
 	/* Parse the AML */
  
-	ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %d parse\n",
-			  (unsigned)pass_number));
+	ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %u parse\n",
+			  pass_number));
 	status = acpi_ps_parse_aml(walk_state);
  
       cleanup:
@@ -556,7 +556,7 @@
  
 		/* Need an Integer - create a zero-value integer */
  
-		new_object = acpi_ut_create_integer_object(0);
+		new_object = acpi_ut_create_integer_object((u64)0);
 	} else if (expected_btypes & ACPI_RTYPE_STRING) {
  
 		/* Need a String - create a NULL string */
@@ -112,6 +112,13 @@
  * _GTM: Convert Buffer of BYTEs to a Buffer of DWORDs
  * _PSS: Sort the list descending by Power
  * _TSS: Sort the list descending by Power
+ *
+ * Names that must be packages, but cannot be sorted:
+ *
+ * _BCL: Values are tied to the Package index where they appear, and cannot
+ * be moved or sorted. These index values are used for _BQC and _BCM.
+ * However, we can fix the case where a buffer is returned, by converting
+ * it to a Package of integers.
  */
 static const struct acpi_repair_info acpi_ns_repairable_names[] = {
 	{"_ALR", acpi_ns_repair_ALR},
@@ -152,17 +152,6 @@
 			return_ACPI_STATUS(AE_OK);
 		}
  
-		/*
-		 * The last entry in the list points back to the parent,
-		 * so a flag is used to indicate the end-of-list
-		 */
-		if (node->flags & ANOBJ_END_OF_PEER_LIST) {
-
-			/* Searched entire list, we are done */
-
-			break;
-		}
-
 		/* Didn't match name, move on to the next peer object */
  
 		node = node->peer;
@@ -217,7 +206,7 @@
  
 	ACPI_FUNCTION_TRACE(ns_search_parent_tree);
  
-	parent_node = acpi_ns_get_parent_node(node);
+	parent_node = node->parent;
  
 	/*
 	 * If there is no parent (i.e., we are at the root) or type is "local",
@@ -261,7 +250,7 @@
  
 		/* Not found here, go up another level (until we reach the root) */
  
-		parent_node = acpi_ns_get_parent_node(parent_node);
+		parent_node = parent_node->parent;
 	}
  
 	/* Not found in parent tree */
@@ -847,117 +847,4 @@
 	ACPI_FREE(internal_path);
 	return_ACPI_STATUS(status);
 }
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_get_parent_node
- *
- * PARAMETERS:  Node       - Current table entry
- *
- * RETURN:      Parent entry of the given entry
- *
- * DESCRIPTION: Obtain the parent entry for a given entry in the namespace.
- *
- ******************************************************************************/
-
-struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
-						    *node)
-{
-	ACPI_FUNCTION_ENTRY();
-
-	if (!node) {
-		return (NULL);
-	}
-
-	/*
-	 * Walk to the end of this peer list. The last entry is marked with a flag
-	 * and the peer pointer is really a pointer back to the parent. This saves
-	 * putting a parent back pointer in each and every named object!
-	 */
-	while (!(node->flags & ANOBJ_END_OF_PEER_LIST)) {
-		node = node->peer;
-	}
-
-	return (node->peer);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_get_next_valid_node
- *
- * PARAMETERS:  Node       - Current table entry
- *
- * RETURN:      Next valid Node in the linked node list. NULL if no more valid
- *              nodes.
- *
- * DESCRIPTION: Find the next valid node within a name table.
- *              Useful for implementing NULL-end-of-list loops.
- *
- ******************************************************************************/
-
-struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
-							acpi_namespace_node
-							*node)
-{
-
-	/* If we are at the end of this peer list, return NULL */
-
-	if (node->flags & ANOBJ_END_OF_PEER_LIST) {
-		return NULL;
-	}
-
-	/* Otherwise just return the next peer */
-
-	return (node->peer);
-}
-
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_find_parent_name
- *
- * PARAMETERS:  *child_node            - Named Obj whose name is to be found
- *
- * RETURN:      The ACPI name
- *
- * DESCRIPTION: Search for the given obj in its parent scope and return the
- *              name segment, or "????" if the parent name can't be found
- *              (which "should not happen").
- *
- ******************************************************************************/
-
-acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node * child_node)
-{
-	struct acpi_namespace_node *parent_node;
-
-	ACPI_FUNCTION_TRACE(ns_find_parent_name);
-
-	if (child_node) {
-
-		/* Valid entry.  Get the parent Node */
-
-		parent_node = acpi_ns_get_parent_node(child_node);
-		if (parent_node) {
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-					  "Parent of %p [%4.4s] is %p [%4.4s]\n",
-					  child_node,
-					  acpi_ut_get_node_name(child_node),
-					  parent_node,
-					  acpi_ut_get_node_name(parent_node)));
-
-			if (parent_node->name.integer) {
-				return_VALUE((acpi_name) parent_node->name.
-					     integer);
-			}
-		}
-
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Unable to find parent of %p (%4.4s)\n",
-				  child_node,
-				  acpi_ut_get_node_name(child_node)));
-	}
-
-	return_VALUE(ACPI_UNKNOWN_NAME);
-}
-#endif
@@ -79,15 +79,6 @@
 		return parent_node->child;
 	}
  
-	/*
-	 * Get the next node.
-	 *
-	 * If we are at the end of this peer list, return NULL
-	 */
-	if (child_node->flags & ANOBJ_END_OF_PEER_LIST) {
-		return NULL;
-	}
-
 	/* Otherwise just return the next peer */
  
 	return child_node->peer;
  
@@ -146,9 +137,9 @@
 			return (next_node);
 		}
  
-		/* Otherwise, move on to the next node */
+		/* Otherwise, move on to the next peer node */
  
-		next_node = acpi_ns_get_next_valid_node(next_node);
+		next_node = next_node->peer;
 	}
  
 	/* Not found */
@@ -355,7 +346,7 @@
 			 */
 			level--;
 			child_node = parent_node;
-			parent_node = acpi_ns_get_parent_node(parent_node);
+			parent_node = parent_node->parent;
  
 			node_previously_visited = TRUE;
 		}
@@ -190,7 +190,7 @@
  
 	/* Get the parent entry */
  
-	parent_node = acpi_ns_get_parent_node(node);
+	parent_node = node->parent;
 	*ret_handle = ACPI_CAST_PTR(acpi_handle, parent_node);
  
 	/* Return exception if parent is null */
@@ -813,10 +813,10 @@
 	acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
 	acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
 	acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
+	acpi_gbl_root_node_struct.parent = NULL;
 	acpi_gbl_root_node_struct.child = NULL;
 	acpi_gbl_root_node_struct.peer = NULL;
 	acpi_gbl_root_node_struct.object = NULL;
-	acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST;
  
 #ifdef ACPI_DEBUG_OUTPUT
 	acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
@@ -293,12 +293,8 @@
 	 * Complete the GPE initialization for the GPE blocks defined in the FADT
 	 * (GPE block 0 and 1).
 	 *
-	 * Note1: This is where the _PRW methods are executed for the GPEs. These
-	 * methods can only be executed after the SCI and Global Lock handlers are
-	 * installed and initialized.
-	 *
-	 * Note2: Currently, there seems to be no need to run the _REG methods
-	 * before execution of the _PRW methods and enabling of the GPEs.
+	 * NOTE: Currently, there seems to be no need to run the _REG methods
+	 * before enabling the GPEs.
 	 */
 	if (!(flags & ACPI_NO_EVENT_INIT)) {
 		status = acpi_ev_install_fadt_gpes();
@@ -424,8 +424,7 @@
 	if (device->wakeup.flags.valid) {
 		/* Button's GPE is run-wake GPE */
 		acpi_enable_gpe(device->wakeup.gpe_device,
-				device->wakeup.gpe_number,
-				ACPI_GPE_TYPE_RUNTIME);
+				device->wakeup.gpe_number);
 		device->wakeup.run_wake_count++;
 		device->wakeup.state.enabled = 1;
 	}
@@ -448,8 +447,7 @@
  
 	if (device->wakeup.flags.valid) {
 		acpi_disable_gpe(device->wakeup.gpe_device,
-				device->wakeup.gpe_number,
-				ACPI_GPE_TYPE_RUNTIME);
+				device->wakeup.gpe_number);
 		device->wakeup.run_wake_count--;
 		device->wakeup.state.enabled = 0;
 	}
@@ -303,11 +303,8 @@
 	pr_debug(PREFIX "transaction start\n");
 	/* disable GPE during transaction if storm is detected */
 	if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
-		/*
-		 * It has to be disabled at the hardware level regardless of the
-		 * GPE reference counting, so that it doesn't trigger.
-		 */
-		acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE);
+		/* It has to be disabled, so that it doesn't trigger. */
+		acpi_disable_gpe(NULL, ec->gpe);
 	}
  
 	status = acpi_ec_transaction_unlocked(ec, t);
@@ -316,12 +313,8 @@
 	ec_check_sci_sync(ec, acpi_ec_read_status(ec));
 	if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
 		msleep(1);
-		/*
-		 * It is safe to enable the GPE outside of the transaction.  Use
-		 * acpi_set_gpe() for that, since we used it to disable the GPE
-		 * above.
-		 */
-		acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE);
+		/* It is safe to enable the GPE outside of the transaction. */
+		acpi_enable_gpe(NULL, ec->gpe);
 	} else if (t->irq_count > ACPI_EC_STORM_THRESHOLD) {
 		pr_info(PREFIX "GPE storm detected, "
 			"transactions will use polling mode\n");
@@ -746,7 +739,7 @@
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
  
-	acpi_enable_gpe(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME);
+	acpi_enable_gpe(NULL, ec->gpe);
 	status = acpi_install_address_space_handler(ec->handle,
 						    ACPI_ADR_SPACE_EC,
 						    &acpi_ec_space_handler,
@@ -763,7 +756,7 @@
 		} else {
 			acpi_remove_gpe_handler(NULL, ec->gpe,
 				&acpi_ec_gpe_handler);
-			acpi_disable_gpe(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME);
+			acpi_disable_gpe(NULL, ec->gpe);
 			return -ENODEV;
 		}
 	}
@@ -774,7 +767,7 @@
  
 static void ec_remove_handlers(struct acpi_ec *ec)
 {
-	acpi_disable_gpe(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME);
+	acpi_disable_gpe(NULL, ec->gpe);
 	if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
 				ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
 		pr_err(PREFIX "failed to remove space handler\n");
@@ -1018,22 +1011,6 @@
 	return -ENODEV;
 }
  
-static int acpi_ec_suspend(struct acpi_device *device, pm_message_t state)
-{
-	struct acpi_ec *ec = acpi_driver_data(device);
-	/* Stop using the GPE, but keep it reference counted. */
-	acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE);
-	return 0;
-}
-
-static int acpi_ec_resume(struct acpi_device *device)
-{
-	struct acpi_ec *ec = acpi_driver_data(device);
-	/* Enable the GPE again, but don't reference count it once more. */
-	acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE);
-	return 0;
-}
-
 static struct acpi_driver acpi_ec_driver = {
 	.name = "ec",
 	.class = ACPI_EC_CLASS,
@@ -1041,8 +1018,6 @@
 	.ops = {
 		.add = acpi_ec_add,
 		.remove = acpi_ec_remove,
-		.suspend = acpi_ec_suspend,
-		.resume = acpi_ec_resume,
 		},
 };
  
@@ -1046,26 +1046,6 @@
  
 __setup("acpi_serialize", acpi_serialize_setup);
  
-/*
- * Wake and Run-Time GPES are expected to be separate.
- * We disable wake-GPEs at run-time to prevent spurious
- * interrupts.
- *
- * However, if a system exists that shares Wake and
- * Run-time events on the same GPE this flag is available
- * to tell Linux to keep the wake-time GPEs enabled at run-time.
- */
-static int __init acpi_wake_gpes_always_on_setup(char *str)
-{
-	printk(KERN_INFO PREFIX "wake GPEs not disabled\n");
-
-	acpi_gbl_leave_wake_gpes_disabled = FALSE;
-
-	return 1;
-}
-
-__setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup);
-
 /* Check of resource interference between native drivers and ACPI
  * OperationRegions (SystemIO and System Memory only).
  * IO ports and memory declared in ACPI might be used by the ACPI subsystem
@@ -740,6 +740,8 @@
 		device->wakeup.resources.handles[i] = element->reference.handle;
 	}
  
+	acpi_gpe_can_wake(device->wakeup.gpe_device, device->wakeup.gpe_number);
+
 	return AE_OK;
 }
  
@@ -764,8 +766,9 @@
 		return;
 	}
  
-	status = acpi_get_gpe_status(NULL, device->wakeup.gpe_number,
-					&event_status);
+	status = acpi_get_gpe_status(device->wakeup.gpe_device,
+					device->wakeup.gpe_number,
+						&event_status);
 	if (status == AE_OK)
 		device->wakeup.flags.run_wake =
 				!!(event_status & ACPI_EVENT_FLAG_HANDLE);
@@ -663,18 +663,9 @@
 		return -ENODEV;
 	}
  
-	if (enable) {
-		error = acpi_enable_wakeup_device_power(adev,
-						acpi_target_sleep_state);
-		if (!error)
-			acpi_enable_gpe(adev->wakeup.gpe_device,
-					adev->wakeup.gpe_number,
-					ACPI_GPE_TYPE_WAKE);
-	} else {
-		acpi_disable_gpe(adev->wakeup.gpe_device, adev->wakeup.gpe_number,
-				ACPI_GPE_TYPE_WAKE);
-		error = acpi_disable_wakeup_device_power(adev);
-	}
+	error = enable ?
+		acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) :
+		acpi_disable_wakeup_device_power(adev);
 	if (!error)
 		dev_info(dev, "wake-up capability %s by ACPI\n",
 				enable ? "enabled" : "disabled");
@@ -388,12 +388,10 @@
 	if (index < num_gpes) {
 		if (!strcmp(buf, "disable\n") &&
 				(status & ACPI_EVENT_FLAG_ENABLED))
-			result = acpi_disable_gpe(handle, index,
-						ACPI_GPE_TYPE_RUNTIME);
+			result = acpi_disable_gpe(handle, index);
 		else if (!strcmp(buf, "enable\n") &&
 				!(status & ACPI_EVENT_FLAG_ENABLED))
-			result = acpi_enable_gpe(handle, index,
-						ACPI_GPE_TYPE_RUNTIME);
+			result = acpi_enable_gpe(handle, index);
 		else if (!strcmp(buf, "clear\n") &&
 				(status & ACPI_EVENT_FLAG_SET))
 			result = acpi_clear_gpe(handle, index);
@@ -64,13 +64,14 @@
 		struct acpi_device *dev =
 			container_of(node, struct acpi_device, wakeup_list);
  
-		if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled
+		if (!dev->wakeup.flags.valid
+		    || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count)
 		    || sleep_state > (u32) dev->wakeup.sleep_state)
 			continue;
  
 		/* The wake-up power should have been enabled already. */
-		acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
-				ACPI_GPE_TYPE_WAKE);
+		acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
+				ACPI_GPE_ENABLE);
 	}
 }
  
  
@@ -89,13 +90,16 @@
 		struct acpi_device *dev =
 			container_of(node, struct acpi_device, wakeup_list);
  
-		if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled
+		if (!dev->wakeup.flags.valid
+		    || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count)
 		    || (sleep_state > (u32) dev->wakeup.sleep_state))
 			continue;
  
-		acpi_disable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
-				ACPI_GPE_TYPE_WAKE);
-		acpi_disable_wakeup_device_power(dev);
+		acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
+				ACPI_GPE_DISABLE);
+
+		if (dev->wakeup.state.enabled)
+			acpi_disable_wakeup_device_power(dev);
 	}
 }
  
@@ -296,14 +296,12 @@
 		if (!dev->wakeup.run_wake_count++) {
 			acpi_enable_wakeup_device_power(dev, ACPI_STATE_S0);
 			acpi_enable_gpe(dev->wakeup.gpe_device,
-					dev->wakeup.gpe_number,
-					ACPI_GPE_TYPE_RUNTIME);
+					dev->wakeup.gpe_number);
 		}
 	} else if (dev->wakeup.run_wake_count > 0) {
 		if (!--dev->wakeup.run_wake_count) {
 			acpi_disable_gpe(dev->wakeup.gpe_device,
-					 dev->wakeup.gpe_number,
-					 ACPI_GPE_TYPE_RUNTIME);
+					 dev->wakeup.gpe_number);
 			acpi_disable_wakeup_device_power(dev);
 		}
 	} else {
@@ -71,8 +71,9 @@
 #define ACPI_TOOLS                  0x00002000
 #define ACPI_EXAMPLE                0x00004000
 #define ACPI_DRIVER                 0x00008000
+#define DT_COMPILER                 0x00010000
  
-#define ACPI_ALL_COMPONENTS         0x0000FFFF
+#define ACPI_ALL_COMPONENTS         0x0001FFFF
 #define ACPI_COMPONENT_DEFAULT      (ACPI_ALL_COMPONENTS)
  
 /* Component IDs reserved for ACPI drivers */
@@ -47,7 +47,7 @@
  
 /* Current ACPICA subsystem version in YYYYMMDD format */
  
-#define ACPI_CA_VERSION                 0x20100428
+#define ACPI_CA_VERSION                 0x20100702
  
 #include "actypes.h"
 #include "actbl.h"
@@ -63,7 +63,6 @@
 extern u8 acpi_gbl_enable_interpreter_slack;
 extern u8 acpi_gbl_all_methods_serialized;
 extern u8 acpi_gbl_create_osi_method;
-extern u8 acpi_gbl_leave_wake_gpes_disabled;
 extern u8 acpi_gbl_use_default_register_widths;
 extern acpi_name acpi_gbl_trace_method_name;
 extern u32 acpi_gbl_trace_flags;
  
  
  
@@ -282,15 +281,15 @@
 /*
  * GPE Interfaces
  */
-acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action);
+acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
  
-acpi_status
-acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type);
+acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
  
-acpi_status
-acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type);
+acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number);
  
 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number);
+
+acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action);
  
 acpi_status
 acpi_get_gpe_status(acpi_handle gpe_device,
@@ -77,9 +77,19 @@
 #define ACPI_SIG_UEFI           "UEFI"	/* Uefi Boot Optimization Table */
 #define ACPI_SIG_WAET           "WAET"	/* Windows ACPI Emulated devices Table */
 #define ACPI_SIG_WDAT           "WDAT"	/* Watchdog Action Table */
+#define ACPI_SIG_WDDT           "WDDT"	/* Watchdog Timer Description Table */
 #define ACPI_SIG_WDRT           "WDRT"	/* Watchdog Resource Table */
  
+#ifdef ACPI_UNDEFINED_TABLES
 /*
+ * These tables have been seen in the field, but no definition has been found
+ */
+#define ACPI_SIG_ATKG           "ATKG"
+#define ACPI_SIG_GSCI           "GSCI"	/* GMCH SCI table */
+#define ACPI_SIG_IEIT           "IEIT"
+#endif
+
+/*
  * All tables must be byte-packed to match the ACPI specification, since
  * the tables are provided by the system BIOS.
  */
@@ -906,6 +916,44 @@
 	ACPI_WDAT_INSTRUCTION_RESERVED = 4,	/* 4 and greater are reserved */
 	ACPI_WDAT_PRESERVE_REGISTER = 0x80	/* Except for this value */
 };
+
+/*******************************************************************************
+ *
+ * WDDT - Watchdog Descriptor Table
+ *        Version 1
+ *
+ * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
+ * Version 001, September 2002
+ *
+ ******************************************************************************/
+
+struct acpi_table_wddt {
+	struct acpi_table_header header;	/* Common ACPI table header */
+	u16 spec_version;
+	u16 table_version;
+	u16 pci_vendor_id;
+	struct acpi_generic_address address;
+	u16 max_count;		/* Maximum counter value supported */
+	u16 min_count;		/* Minimum counter value supported */
+	u16 period;
+	u16 status;
+	u16 capability;
+};
+
+/* Flags for Status field above */
+
+#define ACPI_WDDT_AVAILABLE     (1)
+#define ACPI_WDDT_ACTIVE        (1<<1)
+#define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
+#define ACPI_WDDT_USER_RESET    (1<<11)
+#define ACPI_WDDT_WDT_RESET     (1<<12)
+#define ACPI_WDDT_POWER_FAIL    (1<<13)
+#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
+
+/* Flags for Capability field above */
+
+#define ACPI_WDDT_AUTO_RESET    (1)
+#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
  
 /*******************************************************************************
  *
@@ -663,17 +663,11 @@
 #define ACPI_GPE_MAX                    0xFF
 #define ACPI_NUM_GPE                    256
  
-/* Actions for acpi_set_gpe and acpi_hw_low_set_gpe */
+/* Actions for acpi_gpe_wakeup, acpi_hw_low_set_gpe */
  
 #define ACPI_GPE_ENABLE                 0
 #define ACPI_GPE_DISABLE                1
 #define ACPI_GPE_COND_ENABLE            2
-
-/* gpe_types for acpi_enable_gpe and acpi_disable_gpe */
-
-#define ACPI_GPE_TYPE_WAKE              (u8) 0x01
-#define ACPI_GPE_TYPE_RUNTIME           (u8) 0x02
-#define ACPI_GPE_TYPE_WAKE_RUN          (u8) 0x03
  
 /*
  * GPE info flags - Per GPE
...	...	@@ -78,7 +78,9 @@
78	78	u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
79	79
80	80	acpi_status
81		-acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info);
	81	+acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);
	82	+
	83	+acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);
82	84
83	85	struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
84	86	u32 gpe_number);
...	...	@@ -100,13 +100,6 @@
100	100	u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
101	101
102	102	/*
103		- * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
104		- * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
105		- * be enabled just before going to sleep.
106		- */
107		-u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
108		-
109		-/*
110	103	* Optionally use default values for the ACPI register widths. Set this to
111	104	* TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
112	105	*/
...	...	@@ -90,14 +90,11 @@
90	90	/*
91	91	* hwgpe - GPE support
92	92	*/
93		-u32 acpi_hw_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
	93	+u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
94	94	struct acpi_gpe_register_info *gpe_register_info);
95	95
96	96	acpi_status
97	97	acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action);
98		-
99		-acpi_status
100		-acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info);
101	98
102	99	acpi_status
103	100	acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
...	...	@@ -184,8 +184,9 @@
184	184	u8 flags; /* Miscellaneous flags */
185	185	acpi_owner_id owner_id; /* Node creator */
186	186	union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */
	187	+ struct acpi_namespace_node parent; / Parent node */
187	188	struct acpi_namespace_node child; / First child */
188		- struct acpi_namespace_node peer; / Peer. Parent if ANOBJ_END_OF_PEER_LIST set */
	189	+ struct acpi_namespace_node peer; / First peer */
189	190
190	191	/*
191	192	* The following fields are used by the ASL compiler and disassembler only
...	...	@@ -199,7 +200,7 @@
199	200
200	201	/* Namespace Node flags */
201	202
202		-#define ANOBJ_END_OF_PEER_LIST 0x01 /* End-of-list, Peer field points to parent */
	203	+#define ANOBJ_RESERVED 0x01 /* Available for use */
203	204	#define ANOBJ_TEMPORARY 0x02 /* Node is create by a method and is temporary */
204	205	#define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */
205	206	#define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */
...	...	@@ -428,7 +429,6 @@
428	429	u8 flags; /* Misc info about this GPE */
429	430	u8 gpe_number; /* This GPE */
430	431	u8 runtime_count; /* References to a run GPE */
431		- u8 wakeup_count; /* References to a wake GPE */
432	432	};
433	433
434	434	/* Information about a GPE register pair, one per each status/enable pair in an array */
...	...	@@ -369,12 +369,5 @@
369	369
370	370	void acpi_ns_terminate(void);
371	371
372		-struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
373		- *node);
374		-
375		-struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
376		- acpi_namespace_node
377		- *node);
378		-
379	372	#endif /* __ACNAMESP_H__ */
...	...	@@ -91,14 +91,14 @@
91	91
92	92	/* Values for Flag byte above */
93	93
94		-#define AOPOBJ_AML_CONSTANT 0x01
95		-#define AOPOBJ_STATIC_POINTER 0x02
96		-#define AOPOBJ_DATA_VALID 0x04
97		-#define AOPOBJ_OBJECT_INITIALIZED 0x08
98		-#define AOPOBJ_SETUP_COMPLETE 0x10
99		-#define AOPOBJ_SINGLE_DATUM 0x20
100		-#define AOPOBJ_INVALID 0x40 /* Used if host OS won't allow an op_region address */
101		-#define AOPOBJ_MODULE_LEVEL 0x80
	94	+#define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */
	95	+#define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */
	96	+#define AOPOBJ_DATA_VALID 0x04 /* Object is intialized and data is valid */
	97	+#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized, _REG was run */
	98	+#define AOPOBJ_SETUP_COMPLETE 0x10 /* Region setup is complete */
	99	+#define AOPOBJ_INVALID 0x20 /* Host OS won't allow a Region address */
	100	+#define AOPOBJ_MODULE_LEVEL 0x40 /* Method is actually module-level code */
	101	+#define AOPOBJ_MODIFIED_NAMESPACE 0x80 /* Method modified the namespace */
102	102
103	103	/******************************************************************************
104	104	*
...	...	@@ -503,15 +503,16 @@
503	503	{{"_WAK", 1, ACPI_RTYPE_NONE \| ACPI_RTYPE_INTEGER \| ACPI_RTYPE_PACKAGE}},
504	504	{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */
505	505
506		- {{{0,0,0,0}, 0,0}} /* Table terminator */
507		-};
	506	+ /* _WDG/_WED are MS extensions defined by "Windows Instrumentation" */
508	507
509		-#if 0
510		- /* Not implemented */
	508	+ {{"_WDG", 0, ACPI_RTYPE_BUFFER}},
	509	+ {{"_WED", 1,
	510	+ ACPI_RTYPE_INTEGER \| ACPI_RTYPE_STRING \| ACPI_RTYPE_BUFFER}},
511	511
512		- {{"_WDG", 0, ACPI_RTYPE_BUFFER}}, /* MS Extension */
513		- {{"_WED", 1, ACPI_RTYPE_PACKAGE}}, /* MS Extension */
	512	+ {{{0, 0, 0, 0}, 0, 0}} /* Table terminator */
	513	+};
514	514
	515	+#if 0
515	516	/* This is an internally implemented control method, no need to check */
516	517	{{"_OSI", 1, ACPI_RTYPE_INTEGER}},
517	518
...	...	@@ -127,22 +127,22 @@
127	127	acpi_parse_upwards ascending_callback;
128	128	};
129	129
130		-/* Info used by acpi_ps_init_objects */
	130	+/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
131	131
132	132	struct acpi_init_walk_info {
133		- u16 method_count;
134		- u16 device_count;
135		- u16 op_region_count;
136		- u16 field_count;
137		- u16 buffer_count;
138		- u16 package_count;
139		- u16 op_region_init;
140		- u16 field_init;
141		- u16 buffer_init;
142		- u16 package_init;
143		- u16 object_count;
144		- acpi_owner_id owner_id;
145	133	u32 table_index;
	134	+ u32 object_count;
	135	+ u32 method_count;
	136	+ u32 device_count;
	137	+ u32 op_region_count;
	138	+ u32 field_count;
	139	+ u32 buffer_count;
	140	+ u32 package_count;
	141	+ u32 op_region_init;
	142	+ u32 field_init;
	143	+ u32 buffer_init;
	144	+ u32 package_init;
	145	+ acpi_owner_id owner_id;
146	146	};
147	147
148	148	struct acpi_get_devices_info {
149	149
...	...	@@ -201,11 +201,11 @@
201	201	/* Info used by acpi_ns_initialize_devices */
202	202
203	203	struct acpi_device_walk_info {
204		- u16 device_count;
205		- u16 num_STA;
206		- u16 num_INI;
207	204	struct acpi_table_desc *table_desc;
208	205	struct acpi_evaluate_info *evaluate_info;
	206	+ u32 device_count;
	207	+ u32 num_STA;
	208	+ u32 num_INI;
209	209	};
210	210
211	211	/* TBD: [Restructure] Merge with struct above */
...	...	@@ -171,12 +171,12 @@
171	171	"** Starting initialization of namespace objects **\n"));
172	172	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "Parsing all Control Methods:"));
173	173
174		- info.method_count = 0;
175		- info.op_region_count = 0;
176		- info.object_count = 0;
177		- info.device_count = 0;
178		- info.table_index = table_index;
	174	+ /* Set all init info to zero */
	175	+
	176	+ ACPI_MEMSET(&info, 0, sizeof(struct acpi_init_walk_info));
	177	+
179	178	info.owner_id = owner_id;
	179	+ info.table_index = table_index;
180	180
181	181	/* Walk entire namespace from the supplied root */
182	182
183	183
...	...	@@ -204,13 +204,13 @@
204	204	}
205	205
206	206	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
207		- "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
	207	+ "\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n",
208	208	table->signature, owner_id, info.object_count,
209	209	info.device_count, info.method_count,
210	210	info.op_region_count));
211	211
212	212	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
213		- "%hd Methods, %hd Regions\n", info.method_count,
	213	+ "%u Methods, %u Regions\n", info.method_count,
214	214	info.op_region_count));
215	215
216	216	return_ACPI_STATUS(AE_OK);
...	...	@@ -584,8 +584,22 @@
584	584	* want make the objects permanent.
585	585	*/
586	586	if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) {
587		- acpi_ns_delete_namespace_by_owner(method_desc->method.
588		- owner_id);
	587	+
	588	+ /* Delete any direct children of (created by) this method */
	589	+
	590	+ acpi_ns_delete_namespace_subtree(walk_state->
	591	+ method_node);
	592	+
	593	+ /*
	594	+ * Delete any objects that were created by this method
	595	+ * elsewhere in the namespace (if any were created).
	596	+ */
	597	+ if (method_desc->method.
	598	+ flags & AOPOBJ_MODIFIED_NAMESPACE) {
	599	+ acpi_ns_delete_namespace_by_owner(method_desc->
	600	+ method.
	601	+ owner_id);
	602	+ }
589	603	}
590	604	}
591	605
...	...	@@ -605,7 +619,7 @@
605	619	* we immediately reuse it for the next thread executing this method
606	620	*/
607	621	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
608		- "*** Completed execution of one thread, %d threads remaining\n",
	622	+ "*** Completed execution of one thread, %u threads remaining\n",
609	623	method_desc->method.thread_count));
610	624	} else {
611	625	/* This is the only executing thread for this method */