Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

135 files changed, 2416 insertions, 1050 deletions

diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index e7973bc16846..7423052ece5a 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -28,7 +28,7 @@ acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
 acpi-y += nsaccess.o  nsload.o    nssearch.o  nsxfeval.o \
          nsalloc.o   nseval.o    nsnames.o   nsutils.o   nsxfname.o \
          nsdump.o    nsinit.o    nsobject.o  nswalk.o    nsxfobj.o  \
-         nsparse.o   nspredef.o  nsrepair.o
+         nsparse.o   nspredef.o  nsrepair.o  nsrepair2.o
 
 acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
 
diff --git a/drivers/acpi/acpica/accommon.h b/drivers/acpi/acpica/accommon.h
index 3b20786cbb0d..3e50c74ed4a1 100644
--- a/drivers/acpi/acpica/accommon.h
+++ b/drivers/acpi/acpica/accommon.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h
index a4471e3d3853..33181ad350d5 100644
--- a/drivers/acpi/acpica/acconfig.h
+++ b/drivers/acpi/acpica/acconfig.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
index a4fb001d96f1..48faf3eba9fb 100644
--- a/drivers/acpi/acpica/acdebug.h
+++ b/drivers/acpi/acpica/acdebug.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h
index 6291904be01e..894a0ff2a946 100644
--- a/drivers/acpi/acpica/acdispat.h
+++ b/drivers/acpi/acpica/acdispat.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
index 0bba148a2c61..3e6ba99e4053 100644
--- a/drivers/acpi/acpica/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -76,12 +76,9 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
  * evgpe - GPE handling and dispatch
  */
 acpi_status
-acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
-                                u8 type);
+acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info);
 
-acpi_status
-acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
-                   u8 write_to_hardware);
+acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);
 
 acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
 
@@ -122,9 +119,6 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info,
 u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
 
 acpi_status
-acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type);
-
-acpi_status
 acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info);
 
 acpi_status acpi_ev_gpe_initialize(void);
@@ -139,8 +133,7 @@ acpi_status acpi_ev_initialize_op_regions(void);
 acpi_status
 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
                                u32 function,
-                               u32 region_offset,
-                               u32 bit_width, acpi_integer * value);
+                               u32 region_offset, u32 bit_width, u64 *value);
 
 acpi_status
 acpi_ev_attach_region(union acpi_operand_object *handler_obj,
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 29ba66d5a790..f8dd8f250ac4 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index 36192f142fbb..5900f135dc6d 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h
index 5db9f2916f7c..6df3f8428168 100644
--- a/drivers/acpi/acpica/acinterp.h
+++ b/drivers/acpi/acpica/acinterp.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -129,18 +129,17 @@ acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
 
 acpi_status
 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
-                               acpi_integer mask,
-                               acpi_integer field_value,
-                               u32 field_datum_byte_offset);
+                               u64 mask,
+                               u64 field_value, u32 field_datum_byte_offset);
 
 void
-acpi_ex_get_buffer_datum(acpi_integer * datum,
+acpi_ex_get_buffer_datum(u64 *datum,
                          void *buffer,
                          u32 buffer_length,
                          u32 byte_granularity, u32 buffer_offset);
 
 void
-acpi_ex_set_buffer_datum(acpi_integer merged_datum,
+acpi_ex_set_buffer_datum(u64 merged_datum,
                          void *buffer,
                          u32 buffer_length,
                          u32 byte_granularity, u32 buffer_offset);
@@ -168,8 +167,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
 
 acpi_status
 acpi_ex_access_region(union acpi_operand_object *obj_desc,
-                      u32 field_datum_byte_offset,
-                      acpi_integer * value, u32 read_write);
+                      u32 field_datum_byte_offset, u64 *value, u32 read_write);
 
 /*
  * exmisc - misc support routines
@@ -193,16 +191,14 @@ acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
 
 acpi_status
 acpi_ex_do_logical_numeric_op(u16 opcode,
-                              acpi_integer integer0,
-                              acpi_integer integer1, u8 * logical_result);
+                              u64 integer0, u64 integer1, u8 *logical_result);
 
 acpi_status
 acpi_ex_do_logical_op(u16 opcode,
                       union acpi_operand_object *operand0,
-                      union acpi_operand_object *operand1, u8 * logical_result);
+                      union acpi_operand_object *operand1, u8 *logical_result);
 
-acpi_integer
-acpi_ex_do_math_op(u16 opcode, acpi_integer operand0, acpi_integer operand1);
+u64 acpi_ex_do_math_op(u16 opcode, u64 operand0, u64 operand1);
 
 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
 
@@ -278,7 +274,7 @@ acpi_status
 acpi_ex_system_do_notify_op(union acpi_operand_object *value,
                             union acpi_operand_object *obj_desc);
 
-acpi_status acpi_ex_system_do_suspend(acpi_integer time);
+acpi_status acpi_ex_system_do_suspend(u64 time);
 
 acpi_status acpi_ex_system_do_stall(u32 time);
 
@@ -461,9 +457,9 @@ void acpi_ex_acquire_global_lock(u32 rule);
 
 void acpi_ex_release_global_lock(u32 rule);
 
-void acpi_ex_eisa_id_to_string(char *dest, acpi_integer compressed_id);
+void acpi_ex_eisa_id_to_string(char *dest, u64 compressed_id);
 
-void acpi_ex_integer_to_string(char *dest, acpi_integer value);
+void acpi_ex_integer_to_string(char *dest, u64 value);
 
 /*
  * exregion - default op_region handlers
@@ -472,7 +468,7 @@ acpi_status
 acpi_ex_system_memory_space_handler(u32 function,
                                     acpi_physical_address address,
                                     u32 bit_width,
-                                    acpi_integer * value,
+                                    u64 *value,
                                     void *handler_context,
                                     void *region_context);
 
@@ -480,35 +476,35 @@ acpi_status
 acpi_ex_system_io_space_handler(u32 function,
                                 acpi_physical_address address,
                                 u32 bit_width,
-                                acpi_integer * value,
+                                u64 *value,
                                 void *handler_context, void *region_context);
 
 acpi_status
 acpi_ex_pci_config_space_handler(u32 function,
                                  acpi_physical_address address,
                                  u32 bit_width,
-                                 acpi_integer * value,
+                                 u64 *value,
                                  void *handler_context, void *region_context);
 
 acpi_status
 acpi_ex_cmos_space_handler(u32 function,
                            acpi_physical_address address,
                            u32 bit_width,
-                           acpi_integer * value,
+                           u64 *value,
                            void *handler_context, void *region_context);
 
 acpi_status
 acpi_ex_pci_bar_space_handler(u32 function,
                               acpi_physical_address address,
                               u32 bit_width,
-                              acpi_integer * value,
+                              u64 *value,
                               void *handler_context, void *region_context);
 
 acpi_status
 acpi_ex_embedded_controller_space_handler(u32 function,
                                           acpi_physical_address address,
                                           u32 bit_width,
-                                          acpi_integer * value,
+                                          u64 *value,
                                           void *handler_context,
                                           void *region_context);
 
@@ -516,14 +512,14 @@ acpi_status
 acpi_ex_sm_bus_space_handler(u32 function,
                              acpi_physical_address address,
                              u32 bit_width,
-                             acpi_integer * value,
+                             u64 *value,
                              void *handler_context, void *region_context);
 
 acpi_status
 acpi_ex_data_table_space_handler(u32 function,
                                  acpi_physical_address address,
                                  u32 bit_width,
-                                 acpi_integer * value,
+                                 u64 *value,
                                  void *handler_context, void *region_context);
 
 #endif                          /* __INTERP_H__ */
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 81e64f478679..24b8faa5c395 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -374,6 +374,7 @@ union acpi_predefined_info {
 struct acpi_predefined_data {
         char *pathname;
         const union acpi_predefined_info *predefined;
+        union acpi_operand_object *parent_package;
         u32 flags;
         u8 node_flags;
 };
@@ -426,6 +427,8 @@ struct acpi_gpe_event_info {
         struct acpi_gpe_register_info *register_info;   /* Backpointer to register info */
         u8 flags;               /* Misc info about this GPE */
         u8 gpe_number;          /* This GPE */
+        u8 runtime_count;
+        u8 wakeup_count;
 };
 
 /* Information about a GPE register pair, one per each status/enable pair in an array */
@@ -649,8 +652,7 @@ struct acpi_opcode_info {
 };
 
 union acpi_parse_value {
-        acpi_integer integer;   /* Integer constant (Up to 64 bits) */
-        struct uint64_struct integer64; /* Structure overlay for 2 32-bit Dwords */
+        u64 integer;            /* Integer constant (Up to 64 bits) */
         u32 size;               /* bytelist or field size */
         char *string;           /* NULL terminated string */
         u8 *buffer;             /* buffer or string */
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index 3acd9c6760ea..9894929a2abb 100644
--- a/drivers/acpi/acpica/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -272,8 +272,8 @@
  * MASK_BITS_ABOVE creates a mask starting AT the position and above
  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
  */
-#define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_INTEGER_MAX) << ((u32) (position))))
-#define ACPI_MASK_BITS_BELOW(position)      ((ACPI_INTEGER_MAX) << ((u32) (position)))
+#define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((u32) (position))))
+#define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((u32) (position)))
 
 /* Bitfields within ACPI registers */
 
@@ -341,6 +341,7 @@
 #define ACPI_ERROR_NAMESPACE(s, e)      acpi_ns_report_error (AE_INFO, s, e);
 #define ACPI_ERROR_METHOD(s, n, p, e)   acpi_ns_report_method_error (AE_INFO, s, n, p, e);
 #define ACPI_WARN_PREDEFINED(plist)     acpi_ut_predefined_warning plist
+#define ACPI_INFO_PREDEFINED(plist)     acpi_ut_predefined_info plist
 
 #else
 
@@ -349,6 +350,8 @@
 #define ACPI_ERROR_NAMESPACE(s, e)
 #define ACPI_ERROR_METHOD(s, n, p, e)
 #define ACPI_WARN_PREDEFINED(plist)
+#define ACPI_INFO_PREDEFINED(plist)
+
 #endif          /* ACPI_NO_ERROR_MESSAGES */
 
 /*
@@ -411,16 +414,16 @@
                                                                                         acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) _s); \
                                                                                         return (_s); })
 #define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
-                                                                                        register acpi_integer _s = (s); \
+                                                                                        register u64 _s = (s); \
                                                                                         acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, _s); \
                                                                                         return (_s); })
 #define return_UINT8(s)                 ACPI_DO_WHILE0 ({ \
                                                                                         register u8 _s = (u8) (s); \
-                                                                                        acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) _s); \
+                                                                                        acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) _s); \
                                                                                         return (_s); })
 #define return_UINT32(s)                ACPI_DO_WHILE0 ({ \
                                                                                         register u32 _s = (u32) (s); \
-                                                                                        acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) _s); \
+                                                                                        acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) _s); \
                                                                                         return (_s); })
 #else                           /* Use original less-safe macros */
 
@@ -431,7 +434,7 @@
                                                                                         acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) (s)); \
                                                                                         return((s)); })
 #define return_VALUE(s)                 ACPI_DO_WHILE0 ({ \
-                                                                                        acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (acpi_integer) (s)); \
+                                                                                        acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) (s)); \
                                                                                         return((s)); })
 #define return_UINT8(s)                 return_VALUE(s)
 #define return_UINT32(s)                return_VALUE(s)
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
index 09a2764c734b..258159cfcdfa 100644
--- a/drivers/acpi/acpica/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -104,7 +104,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
                        acpi_handle start_object,
                        u32 max_depth,
                        u32 flags,
-                       acpi_walk_callback user_function,
+                       acpi_walk_callback pre_order_visit,
+                       acpi_walk_callback post_order_visit,
                        void *context, void **return_value);
 
 struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
@@ -272,7 +273,8 @@ acpi_ns_get_attached_data(struct acpi_namespace_node *node,
                           acpi_object_handler handler, void **data);
 
 /*
- * nsrepair - return object repair for predefined methods/objects
+ * nsrepair - General return object repair for all
+ * predefined methods/objects
  */
 acpi_status
 acpi_ns_repair_object(struct acpi_predefined_data *data,
@@ -284,6 +286,27 @@ acpi_status
 acpi_ns_repair_package_list(struct acpi_predefined_data *data,
                             union acpi_operand_object **obj_desc_ptr);
 
+acpi_status
+acpi_ns_repair_null_element(struct acpi_predefined_data *data,
+                            u32 expected_btypes,
+                            u32 package_index,
+                            union acpi_operand_object **return_object_ptr);
+
+void
+acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
+                             u8 package_type,
+                             union acpi_operand_object *obj_desc);
+
+/*
+ * nsrepair2 - Return object repair for specific
+ * predefined methods/objects
+ */
+acpi_status
+acpi_ns_complex_repairs(struct acpi_predefined_data *data,
+                        struct acpi_namespace_node *node,
+                        acpi_status validate_status,
+                        union acpi_operand_object **return_object_ptr);
+
 /*
  * nssearch - Namespace searching and entry
  */
@@ -342,9 +365,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
                          const char *internal_name,
                          u32 * converted_name_length, char **converted_name);
 
-struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle);
-
-acpi_handle acpi_ns_convert_entry_to_handle(struct acpi_namespace_node *node);
+struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle);
 
 void acpi_ns_terminate(void);
 
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index b39d682a2140..cde18ea82656 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -111,7 +111,7 @@ ACPI_OBJECT_COMMON_HEADER};
 
 struct acpi_object_integer {
         ACPI_OBJECT_COMMON_HEADER u8 fill[3];   /* Prevent warning on some compilers */
-        acpi_integer value;
+        u64 value;
 };
 
 /*
@@ -180,7 +180,11 @@ struct acpi_object_method {
         u8 sync_level;
         union acpi_operand_object *mutex;
         u8 *aml_start;
-        ACPI_INTERNAL_METHOD implementation;
+        union {
+                ACPI_INTERNAL_METHOD implementation;
+                union acpi_operand_object *handler;
+        } extra;
+
         u32 aml_length;
         u8 thread_count;
         acpi_owner_id owner_id;
@@ -283,8 +287,10 @@ struct acpi_object_buffer_field {
 
 struct acpi_object_notify_handler {
         ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node;     /* Parent device */
+        u32 handler_type;
         acpi_notify_handler handler;
         void *context;
+        struct acpi_object_notify_handler *next;
 };
 
 struct acpi_object_addr_handler {
diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h
index dfdf63327885..8c15ff43f42b 100644
--- a/drivers/acpi/acpica/acopcode.h
+++ b/drivers/acpi/acpica/acopcode.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h
index 22881e8ce229..d0bb0fd3e57a 100644
--- a/drivers/acpi/acpica/acparser.h
+++ b/drivers/acpi/acpica/acparser.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index 57bdaf6ffab1..97116082cb6c 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
index eef5bd7a59fa..528bcbaf4ce7 100644
--- a/drivers/acpi/acpica/acresrc.h
+++ b/drivers/acpi/acpica/acresrc.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index 7980a26bad35..161bc0e3d70a 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h
index 01c76b8ea7ba..8ff3b741df28 100644
--- a/drivers/acpi/acpica/actables.h
+++ b/drivers/acpi/acpica/actables.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 863a264b829e..35df755251ce 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -134,7 +134,7 @@ char *acpi_ut_get_region_name(u8 space_id);
 
 char *acpi_ut_get_event_name(u32 event_id);
 
-char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position);
+char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
 
 u8 acpi_ut_valid_object_type(acpi_object_type type);
 
@@ -279,8 +279,7 @@ acpi_ut_status_exit(u32 line_number,
 void
 acpi_ut_value_exit(u32 line_number,
                    const char *function_name,
-                   const char *module_name,
-                   u32 component_id, acpi_integer value);
+                   const char *module_name, u32 component_id, u64 value);
 
 void
 acpi_ut_ptr_exit(u32 line_number,
@@ -324,7 +323,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
 acpi_status
 acpi_ut_evaluate_numeric_object(char *object_name,
                                 struct acpi_namespace_node *device_node,
-                                acpi_integer *value);
+                                u64 *value);
 
 acpi_status
 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
@@ -386,6 +385,8 @@ u8 acpi_ut_valid_internal_object(void *object);
 
 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
 
+union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
+
 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
 
 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
@@ -435,14 +436,12 @@ void acpi_ut_delete_generic_state(union acpi_generic_state *state);
  * utmath
  */
 acpi_status
-acpi_ut_divide(acpi_integer in_dividend,
-               acpi_integer in_divisor,
-               acpi_integer * out_quotient, acpi_integer * out_remainder);
+acpi_ut_divide(u64 in_dividend,
+               u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
 
 acpi_status
-acpi_ut_short_divide(acpi_integer in_dividend,
-                     u32 divisor,
-                     acpi_integer * out_quotient, u32 * out_remainder);
+acpi_ut_short_divide(u64 in_dividend,
+                     u32 divisor, u64 *out_quotient, u32 *out_remainder);
 
 /*
  * utmisc
@@ -472,8 +471,7 @@ acpi_name acpi_ut_repair_name(char *name);
 
 u8 acpi_ut_valid_acpi_char(char character, u32 position);
 
-acpi_status
-acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer);
+acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer);
 
 void ACPI_INTERNAL_VAR_XFACE
 acpi_ut_predefined_warning(const char *module_name,
@@ -481,6 +479,11 @@ acpi_ut_predefined_warning(const char *module_name,
                            char *pathname,
                            u8 node_flags, const char *format, ...);
 
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_info(const char *module_name,
+                        u32 line_number,
+                        char *pathname, u8 node_flags, const char *format, ...);
+
 /* Values for Base above (16=Hex, 10=Decimal) */
 
 #define ACPI_ANY_BASE        0
diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h
index 4940249f2524..1f484ba228fc 100644
--- a/drivers/acpi/acpica/amlcode.h
+++ b/drivers/acpi/acpica/amlcode.h
@@ -7,7 +7,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h
index 7b070e42b7c5..0e5798fcbb19 100644
--- a/drivers/acpi/acpica/amlresrc.h
+++ b/drivers/acpi/acpica/amlresrc.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index 54a225e56a64..bb13817e0c31 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -220,7 +220,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
                         union acpi_parse_object *arg)
 {
         acpi_status status;
-        acpi_integer position;
+        u64 position;
 
         ACPI_FUNCTION_TRACE_PTR(ds_get_field_names, info);
 
@@ -240,8 +240,8 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
                 switch (arg->common.aml_opcode) {
                 case AML_INT_RESERVEDFIELD_OP:
 
-                        position = (acpi_integer) info->field_bit_position
-                            + (acpi_integer) arg->common.value.size;
+                        position = (u64) info->field_bit_position
+                            + (u64) arg->common.value.size;
 
                         if (position > ACPI_UINT32_MAX) {
                                 ACPI_ERROR((AE_INFO,
@@ -305,8 +305,8 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
 
                         /* Keep track of bit position for the next field */
 
-                        position = (acpi_integer) info->field_bit_position
-                            + (acpi_integer) arg->common.value.size;
+                        position = (u64) info->field_bit_position
+                            + (u64) arg->common.value.size;
 
                         if (position > ACPI_UINT32_MAX) {
                                 ACPI_ERROR((AE_INFO,
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
index 3aae13f30c5e..abe140318a74 100644
--- a/drivers/acpi/acpica/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -192,7 +192,7 @@ acpi_ds_initialize_objects(u32 table_index,
         status =
             acpi_ns_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX,
                                    ACPI_NS_WALK_UNLOCK, acpi_ds_init_one_object,
-                                   &info, NULL);
+                                   NULL, &info, NULL);
         if (ACPI_FAILURE(status)) {
                 ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
         }
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 567a4899a018..721039233aa7 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -414,7 +414,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
         /* Invoke an internal method if necessary */
 
         if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
-                status = obj_desc->method.implementation(next_walk_state);
+                status = obj_desc->method.extra.implementation(next_walk_state);
                 if (status == AE_OK) {
                         status = AE_CTRL_TERMINATE;
                 }
diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c
index 7d077bb2f525..cc343b959540 100644
--- a/drivers/acpi/acpica/dsmthdat.c
+++ b/drivers/acpi/acpica/dsmthdat.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -409,13 +409,11 @@ acpi_ds_method_data_get_value(u8 type,
                 /* If slack enabled, init the local_x/arg_x to an Integer of value zero */
 
                 if (acpi_gbl_enable_interpreter_slack) {
-                        object =
-                            acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                        object = acpi_ut_create_integer_object((u64) 0);
                         if (!object) {
                                 return_ACPI_STATUS(AE_NO_MEMORY);
                         }
 
-                        object->integer.value = 0;
                         node->object = object;
                 }
 
diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c
index 507e1f0bbdfd..891e08bf560b 100644
--- a/drivers/acpi/acpica/dsobject.c
+++ b/drivers/acpi/acpica/dsobject.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -486,7 +486,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
                  *
                  * Note: technically, this is an error, from ACPI spec: "It is an error
                  * for NumElements to be less than the number of elements in the
-                 * PackageList". However, we just print an error message and
+                 * PackageList". However, we just print a message and
                  * no exception is returned. This provides Windows compatibility. Some
                  * BIOSs will alter the num_elements on the fly, creating this type
                  * of ill-formed package object.
@@ -510,9 +510,9 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
                         arg = arg->common.next;
                 }
 
-                ACPI_WARNING((AE_INFO,
-                            "Package List length (0x%X) larger than NumElements count (0x%X), truncated\n",
-                            i, element_count));
+                ACPI_INFO((AE_INFO,
+                           "Actual Package length (0x%X) is larger than NumElements field (0x%X), truncated\n",
+                           i, element_count));
         } else if (i < element_count) {
                 /*
                  * Arg list (elements) was exhausted, but we did not reach num_elements count.
@@ -684,7 +684,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
 
                         case AML_ONES_OP:
 
-                                obj_desc->integer.value = ACPI_INTEGER_MAX;
+                                obj_desc->integer.value = ACPI_UINT64_MAX;
 
                                 /* Truncate value if we are executing from a 32-bit ACPI table */
 
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index b79978f7bc71..bf980cadb1e8 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index dfa104102926..306c62ab2e88 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c
index f0280856dc0e..6b76c486d784 100644
--- a/drivers/acpi/acpica/dswexec.c
+++ b/drivers/acpi/acpica/dswexec.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index 6de3a99d4cd4..140a9d002959 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -212,18 +212,19 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
                 case ACPI_TYPE_BUFFER:
 
                         /*
-                         * These types we will allow, but we will change the type. This
-                         * enables some existing code of the form:
+                         * These types we will allow, but we will change the type.
+                         * This enables some existing code of the form:
                          *
                          *  Name (DEB, 0)
                          *  Scope (DEB) { ... }
                          *
-                         * Note: silently change the type here. On the second pass, we will report
-                         * a warning
+                         * Note: silently change the type here. On the second pass,
+                         * we will report a warning
                          */
                         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                          "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
-                                          path,
+                                          "Type override - [%4.4s] had invalid type (%s) "
+                                          "for Scope operator, changed to type ANY\n",
+                                          acpi_ut_get_node_name(node),
                                           acpi_ut_get_type_name(node->type)));
 
                         node->type = ACPI_TYPE_ANY;
@@ -235,8 +236,10 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
                         /* All other types are an error */
 
                         ACPI_ERROR((AE_INFO,
-                                    "Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)",
-                                    acpi_ut_get_type_name(node->type), path));
+                                    "Invalid type (%s) for target of "
+                                    "Scope operator [%4.4s] (Cannot override)",
+                                    acpi_ut_get_type_name(node->type),
+                                    acpi_ut_get_node_name(node)));
 
                         return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
                 }
@@ -639,26 +642,42 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
                 break;
 
         case AML_SCOPE_OP:
-                /*
-                 * The Path is an object reference to an existing object.
-                 * Don't enter the name into the namespace, but look it up
-                 * for use later.
-                 */
-                status =
-                    acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
-                                   object_type, ACPI_IMODE_EXECUTE,
-                                   ACPI_NS_SEARCH_PARENT, walk_state, &(node));
-                if (ACPI_FAILURE(status)) {
-#ifdef ACPI_ASL_COMPILER
-                        if (status == AE_NOT_FOUND) {
-                                status = AE_OK;
-                        } else {
-                                ACPI_ERROR_NAMESPACE(buffer_ptr, status);
+
+                /* Special case for Scope(\) -> refers to the Root node */
+
+                if (op && (op->named.node == acpi_gbl_root_node)) {
+                        node = op->named.node;
+
+                        status =
+                            acpi_ds_scope_stack_push(node, object_type,
+                                                     walk_state);
+                        if (ACPI_FAILURE(status)) {
+                                return_ACPI_STATUS(status);
                         }
+                } else {
+                        /*
+                         * The Path is an object reference to an existing object.
+                         * Don't enter the name into the namespace, but look it up
+                         * for use later.
+                         */
+                        status =
+                            acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
+                                           object_type, ACPI_IMODE_EXECUTE,
+                                           ACPI_NS_SEARCH_PARENT, walk_state,
+                                           &(node));
+                        if (ACPI_FAILURE(status)) {
+#ifdef ACPI_ASL_COMPILER
+                                if (status == AE_NOT_FOUND) {
+                                        status = AE_OK;
+                                } else {
+                                        ACPI_ERROR_NAMESPACE(buffer_ptr,
+                                                             status);
+                                }
 #else
-                        ACPI_ERROR_NAMESPACE(buffer_ptr, status);
+                                ACPI_ERROR_NAMESPACE(buffer_ptr, status);
 #endif
-                        return_ACPI_STATUS(status);
+                                return_ACPI_STATUS(status);
+                        }
                 }
 
                 /*
@@ -681,15 +700,16 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
                 case ACPI_TYPE_BUFFER:
 
                         /*
-                         * These types we will allow, but we will change the type. This
-                         * enables some existing code of the form:
+                         * These types we will allow, but we will change the type.
+                         * This enables some existing code of the form:
                          *
                          *  Name (DEB, 0)
                          *  Scope (DEB) { ... }
                          */
                         ACPI_WARNING((AE_INFO,
-                                      "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)",
-                                      buffer_ptr,
+                                      "Type override - [%4.4s] had invalid type (%s) "
+                                      "for Scope operator, changed to type ANY\n",
+                                      acpi_ut_get_node_name(node),
                                       acpi_ut_get_type_name(node->type)));
 
                         node->type = ACPI_TYPE_ANY;
@@ -701,9 +721,10 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
                         /* All other types are an error */
 
                         ACPI_ERROR((AE_INFO,
-                                    "Invalid type (%s) for target of Scope operator [%4.4s]",
+                                    "Invalid type (%s) for target of "
+                                    "Scope operator [%4.4s] (Cannot override)",
                                     acpi_ut_get_type_name(node->type),
-                                    buffer_ptr));
+                                    acpi_ut_get_node_name(node)));
 
                         return (AE_AML_OPERAND_TYPE);
                 }
@@ -1031,9 +1052,22 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
                         }
 
                         /*
-                         * If we are executing a method, initialize the region
+                         * The op_region is not fully parsed at this time. The only valid
+                         * argument is the space_id. (We must save the address of the
+                         * AML of the address and length operands)
+                         *
+                         * If we have a valid region, initialize it. The namespace is
+                         * unlocked at this point.
+                         *
+                         * Need to unlock interpreter if it is locked (if we are running
+                         * a control method), in order to allow _REG methods to be run
+                         * during acpi_ev_initialize_region.
                          */
                         if (walk_state->method_node) {
+                                /*
+                                 * Executing a method: initialize the region and unlock
+                                 * the interpreter
+                                 */
                                 status =
                                     acpi_ex_create_region(op->named.data,
                                                           op->named.length,
@@ -1042,21 +1076,17 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
                                 if (ACPI_FAILURE(status)) {
                                         return (status);
                                 }
-                        }
 
-                        /*
-                         * The op_region is not fully parsed at this time. Only valid
-                         * argument is the space_id. (We must save the address of the
-                         * AML of the address and length operands)
-                         */
+                                acpi_ex_exit_interpreter();
+                        }
 
-                        /*
-                         * If we have a valid region, initialize it
-                         * Namespace is NOT locked at this point.
-                         */
                         status =
                             acpi_ev_initialize_region
                             (acpi_ns_get_attached_object(node), FALSE);
+                        if (walk_state->method_node) {
+                                acpi_ex_enter_interpreter();
+                        }
+
                         if (ACPI_FAILURE(status)) {
                                 /*
                                  *  If AE_NOT_EXIST is returned, it is not fatal
diff --git a/drivers/acpi/acpica/dswscope.c b/drivers/acpi/acpica/dswscope.c
index 908645e72f03..d1e701709dac 100644
--- a/drivers/acpi/acpica/dswscope.c
+++ b/drivers/acpi/acpica/dswscope.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c
index e46c821cf572..050df8164165 100644
--- a/drivers/acpi/acpica/dswstate.c
+++ b/drivers/acpi/acpica/dswstate.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c
index cd55c774e882..c1e6f472d435 100644
--- a/drivers/acpi/acpica/evevent.c
+++ b/drivers/acpi/acpica/evevent.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index afacf4416c73..78c55508aff5 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,54 +54,9 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context);
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ev_set_gpe_type
- *
- * PARAMETERS:  gpe_event_info          - GPE to set
- *              Type                    - New type
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Sets the new type for the GPE (wake, run, or wake/run)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type)
-{
-        acpi_status status;
-
-        ACPI_FUNCTION_TRACE(ev_set_gpe_type);
-
-        /* Validate type and update register enable masks */
-
-        switch (type) {
-        case ACPI_GPE_TYPE_WAKE:
-        case ACPI_GPE_TYPE_RUNTIME:
-        case ACPI_GPE_TYPE_WAKE_RUN:
-                break;
-
-        default:
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /* Disable the GPE if currently enabled */
-
-        status = acpi_ev_disable_gpe(gpe_event_info);
-
-        /* Clear the type bits and insert the new Type */
-
-        gpe_event_info->flags &= ~ACPI_GPE_TYPE_MASK;
-        gpe_event_info->flags |= type;
-        return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ev_update_gpe_enable_masks
  *
  * PARAMETERS:  gpe_event_info          - GPE to update
- *              Type                    - What to do: ACPI_GPE_DISABLE or
- *                                        ACPI_GPE_ENABLE
  *
  * RETURN:      Status
  *
@@ -110,8 +65,7 @@ acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type)
  ******************************************************************************/
 
 acpi_status
-acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
-                                u8 type)
+acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
 {
         struct acpi_gpe_register_info *gpe_register_info;
         u8 register_bit;
@@ -127,37 +81,14 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
             (1 <<
              (gpe_event_info->gpe_number - gpe_register_info->base_gpe_number));
 
-        /* 1) Disable case. Simply clear all enable bits */
-
-        if (type == ACPI_GPE_DISABLE) {
-                ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
-                               register_bit);
-                ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit);
-                return_ACPI_STATUS(AE_OK);
-        }
-
-        /* 2) Enable case. Set/Clear the appropriate enable bits */
-
-        switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) {
-        case ACPI_GPE_TYPE_WAKE:
-                ACPI_SET_BIT(gpe_register_info->enable_for_wake, register_bit);
-                ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit);
-                break;
+        ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake, register_bit);
+        ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit);
 
-        case ACPI_GPE_TYPE_RUNTIME:
-                ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
-                               register_bit);
+        if (gpe_event_info->runtime_count)
                 ACPI_SET_BIT(gpe_register_info->enable_for_run, register_bit);
-                break;
 
-        case ACPI_GPE_TYPE_WAKE_RUN:
+        if (gpe_event_info->wakeup_count)
                 ACPI_SET_BIT(gpe_register_info->enable_for_wake, register_bit);
-                ACPI_SET_BIT(gpe_register_info->enable_for_run, register_bit);
-                break;
-
-        default:
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
 
         return_ACPI_STATUS(AE_OK);
 }
@@ -167,8 +98,6 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
  * FUNCTION:    acpi_ev_enable_gpe
  *
  * PARAMETERS:  gpe_event_info          - GPE to enable
- *              write_to_hardware       - Enable now, or just mark data structs
- *                                        (WAKE GPEs should be deferred)
  *
  * RETURN:      Status
  *
@@ -176,9 +105,7 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
  *
  ******************************************************************************/
 
-acpi_status
-acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
-                   u8 write_to_hardware)
+acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
 {
         acpi_status status;
 
@@ -186,50 +113,18 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
 
         /* Make sure HW enable masks are updated */
 
-        status =
-            acpi_ev_update_gpe_enable_masks(gpe_event_info, ACPI_GPE_ENABLE);
-        if (ACPI_FAILURE(status)) {
+        status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
+        if (ACPI_FAILURE(status))
                 return_ACPI_STATUS(status);
-        }
-
-        /* Mark wake-enabled or HW enable, or both */
-
-        switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) {
-        case ACPI_GPE_TYPE_WAKE:
-
-                ACPI_SET_BIT(gpe_event_info->flags, ACPI_GPE_WAKE_ENABLED);
-                break;
-
-        case ACPI_GPE_TYPE_WAKE_RUN:
-
-                ACPI_SET_BIT(gpe_event_info->flags, ACPI_GPE_WAKE_ENABLED);
-
-                /*lint -fallthrough */
-
-        case ACPI_GPE_TYPE_RUNTIME:
-
-                ACPI_SET_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED);
-
-                if (write_to_hardware) {
-
-                        /* Clear the GPE (of stale events), then enable it */
-
-                        status = acpi_hw_clear_gpe(gpe_event_info);
-                        if (ACPI_FAILURE(status)) {
-                                return_ACPI_STATUS(status);
-                        }
-
-                        /* Enable the requested runtime GPE */
-
-                        status = acpi_hw_write_gpe_enable_reg(gpe_event_info);
-                }
-                break;
 
-        default:
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
+        /* Clear the GPE (of stale events), then enable it */
+        status = acpi_hw_clear_gpe(gpe_event_info);
+        if (ACPI_FAILURE(status))
+                return_ACPI_STATUS(status);
 
-        return_ACPI_STATUS(AE_OK);
+        /* Enable the requested GPE */
+        status = acpi_hw_write_gpe_enable_reg(gpe_event_info);
+        return_ACPI_STATUS(status);
 }
 
 /*******************************************************************************
@@ -252,34 +147,9 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
 
         /* Make sure HW enable masks are updated */
 
-        status =
-            acpi_ev_update_gpe_enable_masks(gpe_event_info, ACPI_GPE_DISABLE);
-        if (ACPI_FAILURE(status)) {
+        status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
+        if (ACPI_FAILURE(status))
                 return_ACPI_STATUS(status);
-        }
-
-        /* Clear the appropriate enabled flags for this GPE */
-
-        switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) {
-        case ACPI_GPE_TYPE_WAKE:
-                ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_WAKE_ENABLED);
-                break;
-
-        case ACPI_GPE_TYPE_WAKE_RUN:
-                ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_WAKE_ENABLED);
-
-                /* fallthrough */
-
-        case ACPI_GPE_TYPE_RUNTIME:
-
-                /* Disable the requested runtime GPE */
-
-                ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED);
-                break;
-
-        default:
-                break;
-        }
 
         /*
          * Even if we don't know the GPE type, make sure that we always
@@ -521,7 +391,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
 
         /* Set the GPE flags for return to enabled state */
 
-        (void)acpi_ev_enable_gpe(gpe_event_info, FALSE);
+        (void)acpi_ev_update_gpe_enable_masks(gpe_event_info);
 
         /*
          * Take a snapshot of the GPE info for this level - we copy the info to
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index a60aaa7635f3..fef721917eaf 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -258,7 +258,6 @@ acpi_ev_save_method_info(acpi_handle obj_handle,
         u32 gpe_number;
         char name[ACPI_NAME_SIZE + 1];
         u8 type;
-        acpi_status status;
 
         ACPI_FUNCTION_TRACE(ev_save_method_info);
 
@@ -325,26 +324,20 @@ acpi_ev_save_method_info(acpi_handle obj_handle,
 
         /*
          * Now we can add this information to the gpe_event_info block for use
-         * during dispatch of this GPE. Default type is RUNTIME, although this may
-         * change when the _PRW methods are executed later.
+         * during dispatch of this GPE.
          */
         gpe_event_info =
             &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
 
-        gpe_event_info->flags = (u8)
-            (type | ACPI_GPE_DISPATCH_METHOD | ACPI_GPE_TYPE_RUNTIME);
+        gpe_event_info->flags = (u8) (type | ACPI_GPE_DISPATCH_METHOD);
 
         gpe_event_info->dispatch.method_node =
             (struct acpi_namespace_node *)obj_handle;
 
-        /* Update enable mask, but don't enable the HW GPE as of yet */
-
-        status = acpi_ev_enable_gpe(gpe_event_info, FALSE);
-
         ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
                           "Registered GPE method %s as GPE number 0x%.2X\n",
                           name, gpe_number));
-        return_ACPI_STATUS(status);
+        return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************
@@ -454,20 +447,7 @@ acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
                                                         gpe_block->
                                                         block_base_number];
 
-                /* Mark GPE for WAKE-ONLY but WAKE_DISABLED */
-
-                gpe_event_info->flags &=
-                    ~(ACPI_GPE_WAKE_ENABLED | ACPI_GPE_RUN_ENABLED);
-
-                status =
-                    acpi_ev_set_gpe_type(gpe_event_info, ACPI_GPE_TYPE_WAKE);
-                if (ACPI_FAILURE(status)) {
-                        goto cleanup;
-                }
-
-                status =
-                    acpi_ev_update_gpe_enable_masks(gpe_event_info,
-                                                    ACPI_GPE_DISABLE);
+                gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
         }
 
       cleanup:
@@ -945,8 +925,8 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
 
         status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
                                         ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
-                                        acpi_ev_save_method_info, gpe_block,
-                                        NULL);
+                                        acpi_ev_save_method_info, NULL,
+                                        gpe_block, NULL);
 
         /* Return the new block */
 
@@ -989,7 +969,6 @@ acpi_status
 acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
                              struct acpi_gpe_block_info *gpe_block)
 {
-        acpi_status status;
         struct acpi_gpe_event_info *gpe_event_info;
         struct acpi_gpe_walk_info gpe_info;
         u32 wake_gpe_count;
@@ -1019,42 +998,50 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
                 gpe_info.gpe_block = gpe_block;
                 gpe_info.gpe_device = gpe_device;
 
-                status =
-                    acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+                acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
                                            ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
-                                           acpi_ev_match_prw_and_gpe, &gpe_info,
-                                           NULL);
+                                           acpi_ev_match_prw_and_gpe, NULL,
+                                           &gpe_info, NULL);
         }
 
         /*
-         * Enable all GPEs in this block that have these attributes:
-         * 1) are "runtime" or "run/wake" GPEs, and
-         * 2) have a corresponding _Lxx or _Exx method
-         *
-         * Any other GPEs within this block must be enabled via the
-         * acpi_enable_gpe() external interface.
+         * Enable all GPEs that have a corresponding method and aren't
+         * 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)
+                gpe_device = NULL;
 
         for (i = 0; i < gpe_block->register_count; i++) {
-                for (j = 0; j < 8; j++) {
+                for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
+                        acpi_status status;
+                        acpi_size gpe_index;
+                        int gpe_number;
 
                         /* Get the info block for this particular GPE */
+                        gpe_index = (acpi_size)i * ACPI_GPE_REGISTER_WIDTH + j;
+                        gpe_event_info = &gpe_block->event_info[gpe_index];
 
-                        gpe_event_info = &gpe_block->event_info[((acpi_size) i *
-                                                                 ACPI_GPE_REGISTER_WIDTH)
-                                                                + j];
-
-                        if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
-                             ACPI_GPE_DISPATCH_METHOD) &&
-                            (gpe_event_info->flags & ACPI_GPE_TYPE_RUNTIME)) {
-                                gpe_enabled_count++;
-                        }
-
-                        if (gpe_event_info->flags & ACPI_GPE_TYPE_WAKE) {
+                        if (gpe_event_info->flags & ACPI_GPE_CAN_WAKE) {
                                 wake_gpe_count++;
+                                if (acpi_gbl_leave_wake_gpes_disabled)
+                                        continue;
                         }
+
+                        if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD))
+                                continue;
+
+                        gpe_number = gpe_index + gpe_block->block_base_number;
+                        status = acpi_enable_gpe(gpe_device, gpe_number,
+                                                ACPI_GPE_TYPE_RUNTIME);
+                        if (ACPI_FAILURE(status))
+                                ACPI_ERROR((AE_INFO,
+                                                "Failed to enable GPE %02X\n",
+                                                gpe_number));
+                        else
+                                gpe_enabled_count++;
                 }
         }
 
@@ -1062,15 +1049,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
                           "Found %u Wake, Enabled %u Runtime GPEs in this block\n",
                           wake_gpe_count, gpe_enabled_count));
 
-        /* Enable all valid runtime GPEs found above */
-
-        status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block, NULL);
-        if (ACPI_FAILURE(status)) {
-                ACPI_ERROR((AE_INFO, "Could not enable GPEs in GpeBlock %p",
-                            gpe_block));
-        }
-
-        return_ACPI_STATUS(status);
+        return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index ce224e1eaa89..9a3cb7045a32 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -259,9 +259,15 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context)
 
         handler_obj = notify_info->notify.handler_obj;
         if (handler_obj) {
-                handler_obj->notify.handler(notify_info->notify.node,
-                                            notify_info->notify.value,
-                                            handler_obj->notify.context);
+                struct acpi_object_notify_handler *notifier;
+
+                notifier = &handler_obj->notify;
+                while (notifier) {
+                        notifier->handler(notify_info->notify.node,
+                                          notify_info->notify.value,
+                                          notifier->context);
+                        notifier = notifier->next;
+                }
         }
 
         /* All done with the info object */
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 98c7f9c62653..98fd210e87b2 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -51,6 +51,10 @@
 ACPI_MODULE_NAME("evregion")
 
 /* Local prototypes */
+static u8
+acpi_ev_has_default_handler(struct acpi_namespace_node *node,
+                            acpi_adr_space_type space_id);
+
 static acpi_status
 acpi_ev_reg_run(acpi_handle obj_handle,
                 u32 level, void *context, void **return_value);
@@ -142,6 +146,50 @@ acpi_status acpi_ev_install_region_handlers(void)
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ev_has_default_handler
+ *
+ * PARAMETERS:  Node                - Namespace node for the device
+ *              space_id            - The address space ID
+ *
+ * RETURN:      TRUE if default handler is installed, FALSE otherwise
+ *
+ * DESCRIPTION: Check if the default handler is installed for the requested
+ *              space ID.
+ *
+ ******************************************************************************/
+
+static u8
+acpi_ev_has_default_handler(struct acpi_namespace_node *node,
+                            acpi_adr_space_type space_id)
+{
+        union acpi_operand_object *obj_desc;
+        union acpi_operand_object *handler_obj;
+
+        /* Must have an existing internal object */
+
+        obj_desc = acpi_ns_get_attached_object(node);
+        if (obj_desc) {
+                handler_obj = obj_desc->device.handler;
+
+                /* Walk the linked list of handlers for this object */
+
+                while (handler_obj) {
+                        if (handler_obj->address_space.space_id == space_id) {
+                                if (handler_obj->address_space.handler_flags &
+                                    ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
+                                        return (TRUE);
+                                }
+                        }
+
+                        handler_obj = handler_obj->address_space.next;
+                }
+        }
+
+        return (FALSE);
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ev_initialize_op_regions
  *
  * PARAMETERS:  None
@@ -169,12 +217,18 @@ acpi_status acpi_ev_initialize_op_regions(void)
 
         for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
                 /*
-                 * TBD: Make sure handler is the DEFAULT handler, otherwise
-                 * _REG will have already been run.
+                 * Make sure the installed handler is the DEFAULT handler. If not the
+                 * default, the _REG methods will have already been run (when the
+                 * handler was installed)
                  */
-                status = acpi_ev_execute_reg_methods(acpi_gbl_root_node,
-                                                     acpi_gbl_default_address_spaces
-                                                     [i]);
+                if (acpi_ev_has_default_handler(acpi_gbl_root_node,
+                                                acpi_gbl_default_address_spaces
+                                                [i])) {
+                        status =
+                            acpi_ev_execute_reg_methods(acpi_gbl_root_node,
+                                                        acpi_gbl_default_address_spaces
+                                                        [i]);
+                }
         }
 
         (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
@@ -235,23 +289,20 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
          *  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);
+        args[0] =
+            acpi_ut_create_integer_object((u64) region_obj->region.space_id);
         if (!args[0]) {
                 status = AE_NO_MEMORY;
                 goto cleanup1;
         }
 
-        args[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+        args[1] = acpi_ut_create_integer_object((u64) function);
         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;
+        args[2] = NULL;         /* Terminate list */
 
         /* Execute the method, no return value */
 
@@ -278,7 +329,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
  *              region_offset       - Where in the region 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
+ *                                    a full 64-bit integer
  *
  * RETURN:      Status
  *
@@ -290,8 +341,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
 acpi_status
 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
                                u32 function,
-                               u32 region_offset,
-                               u32 bit_width, acpi_integer * value)
+                               u32 region_offset, u32 bit_width, u64 *value)
 {
         acpi_status status;
         acpi_adr_space_handler handler;
@@ -667,7 +717,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
 
         /* Convert and validate the device handle */
 
-        node = acpi_ns_map_handle_to_node(obj_handle);
+        node = acpi_ns_validate_handle(obj_handle);
         if (!node) {
                 return (AE_BAD_PARAMETER);
         }
@@ -971,8 +1021,8 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
          */
         status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
                                         ACPI_NS_WALK_UNLOCK,
-                                        acpi_ev_install_handler, handler_obj,
-                                        NULL);
+                                        acpi_ev_install_handler, NULL,
+                                        handler_obj, NULL);
 
       unlock_and_exit:
         return_ACPI_STATUS(status);
@@ -1008,7 +1058,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
          */
         status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
                                         ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run,
-                                        &space_id, NULL);
+                                        NULL, &space_id, NULL);
 
         return_ACPI_STATUS(status);
 }
@@ -1036,7 +1086,7 @@ acpi_ev_reg_run(acpi_handle obj_handle,
 
         /* Convert and validate the device handle */
 
-        node = acpi_ns_map_handle_to_node(obj_handle);
+        node = acpi_ns_validate_handle(obj_handle);
         if (!node) {
                 return (AE_BAD_PARAMETER);
         }
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
index cf29c4953028..2e3b0334072f 100644
--- a/drivers/acpi/acpica/evrgnini.c
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -168,7 +168,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
                                 void *handler_context, void **region_context)
 {
         acpi_status status = AE_OK;
-        acpi_integer pci_value;
+        u64 pci_value;
         struct acpi_pci_id *pci_id = *region_context;
         union acpi_operand_object *handler_obj;
         struct acpi_namespace_node *parent_node;
@@ -575,6 +575,21 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
                                 handler_obj = obj_desc->thermal_zone.handler;
                                 break;
 
+                        case ACPI_TYPE_METHOD:
+                                /*
+                                 * If we are executing module level code, the original
+                                 * Node's object was replaced by this Method object and we
+                                 * saved the handler in the method object.
+                                 *
+                                 * See acpi_ns_exec_module_code
+                                 */
+                                if (obj_desc->method.
+                                    flags & AOPOBJ_MODULE_LEVEL) {
+                                        handler_obj =
+                                            obj_desc->method.extra.handler;
+                                }
+                                break;
+
                         default:
                                 /* Ignore other objects */
                                 break;
diff --git a/drivers/acpi/acpica/evsci.c b/drivers/acpi/acpica/evsci.c
index 567b356c85af..8dfbaa96e422 100644
--- a/drivers/acpi/acpica/evsci.c
+++ b/drivers/acpi/acpica/evsci.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c
index 10b8543dd466..b40757955f9b 100644
--- a/drivers/acpi/acpica/evxface.c
+++ b/drivers/acpi/acpica/evxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -218,6 +218,72 @@ ACPI_EXPORT_SYMBOL(acpi_remove_fixed_event_handler)
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_populate_handler_object
+ *
+ * PARAMETERS:  handler_obj        - Handler object to populate
+ *              handler_type       - The type of handler:
+ *                                  ACPI_SYSTEM_NOTIFY: system_handler (00-7f)
+ *                                  ACPI_DEVICE_NOTIFY: driver_handler (80-ff)
+ *                                  ACPI_ALL_NOTIFY:  both system and device
+ *              handler            - Address of the handler
+ *              context            - Value passed to the handler on each GPE
+ *              next               - Address of a handler object to link to
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Populate a handler object.
+ *
+ ******************************************************************************/
+static void
+acpi_populate_handler_object(struct acpi_object_notify_handler *handler_obj,
+                             u32 handler_type,
+                             acpi_notify_handler handler, void *context,
+                             struct acpi_object_notify_handler *next)
+{
+        handler_obj->handler_type = handler_type;
+        handler_obj->handler = handler;
+        handler_obj->context = context;
+        handler_obj->next = next;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_add_handler_object
+ *
+ * PARAMETERS:  parent_obj         - Parent of the new object
+ *              handler            - Address of the handler
+ *              context            - Value passed to the handler on each GPE
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new handler object and populate it.
+ *
+ ******************************************************************************/
+static acpi_status
+acpi_add_handler_object(struct acpi_object_notify_handler *parent_obj,
+                        acpi_notify_handler handler, void *context)
+{
+        struct acpi_object_notify_handler *handler_obj;
+
+        /* The parent must not be a defice notify handler object. */
+        if (parent_obj->handler_type & ACPI_DEVICE_NOTIFY)
+                return AE_BAD_PARAMETER;
+
+        handler_obj = ACPI_ALLOCATE_ZEROED(sizeof(*handler_obj));
+        if (!handler_obj)
+                return AE_NO_MEMORY;
+
+        acpi_populate_handler_object(handler_obj,
+                                        ACPI_SYSTEM_NOTIFY,
+                                        handler, context,
+                                        parent_obj->next);
+        parent_obj->next = handler_obj;
+
+        return AE_OK;
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_install_notify_handler
  *
  * PARAMETERS:  Device          - The device for which notifies will be handled
@@ -259,7 +325,7 @@ acpi_install_notify_handler(acpi_handle device,
 
         /* Convert and validate the device handle */
 
-        node = acpi_ns_map_handle_to_node(device);
+        node = acpi_ns_validate_handle(device);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
@@ -316,15 +382,32 @@ acpi_install_notify_handler(acpi_handle device,
                 obj_desc = acpi_ns_get_attached_object(node);
                 if (obj_desc) {
 
-                        /* Object exists - make sure there's no handler */
+                        /* Object exists. */
 
-                        if (((handler_type & ACPI_SYSTEM_NOTIFY) &&
-                             obj_desc->common_notify.system_notify) ||
-                            ((handler_type & ACPI_DEVICE_NOTIFY) &&
-                             obj_desc->common_notify.device_notify)) {
+                        /* For a device notify, make sure there's no handler. */
+                        if ((handler_type & ACPI_DEVICE_NOTIFY) &&
+                             obj_desc->common_notify.device_notify) {
                                 status = AE_ALREADY_EXISTS;
                                 goto unlock_and_exit;
                         }
+
+                        /* System notifies may have more handlers installed. */
+                        notify_obj = obj_desc->common_notify.system_notify;
+
+                        if ((handler_type & ACPI_SYSTEM_NOTIFY) && notify_obj) {
+                                struct acpi_object_notify_handler *parent_obj;
+
+                                if (handler_type & ACPI_DEVICE_NOTIFY) {
+                                        status = AE_ALREADY_EXISTS;
+                                        goto unlock_and_exit;
+                                }
+
+                                parent_obj = &notify_obj->notify;
+                                status = acpi_add_handler_object(parent_obj,
+                                                                 handler,
+                                                                 context);
+                                goto unlock_and_exit;
+                        }
                 } else {
                         /* Create a new object */
 
@@ -356,9 +439,10 @@ acpi_install_notify_handler(acpi_handle device,
                         goto unlock_and_exit;
                 }
 
-                notify_obj->notify.node = node;
-                notify_obj->notify.handler = handler;
-                notify_obj->notify.context = context;
+                acpi_populate_handler_object(&notify_obj->notify,
+                                                handler_type,
+                                                handler, context,
+                                                NULL);
 
                 if (handler_type & ACPI_SYSTEM_NOTIFY) {
                         obj_desc->common_notify.system_notify = notify_obj;
@@ -418,6 +502,10 @@ acpi_remove_notify_handler(acpi_handle device,
                 goto exit;
         }
 
+
+        /* Make sure all deferred tasks are completed */
+        acpi_os_wait_events_complete(NULL);
+
         status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
         if (ACPI_FAILURE(status)) {
                 goto exit;
@@ -425,7 +513,7 @@ acpi_remove_notify_handler(acpi_handle device,
 
         /* Convert and validate the device handle */
 
-        node = acpi_ns_map_handle_to_node(device);
+        node = acpi_ns_validate_handle(device);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
@@ -445,15 +533,6 @@ acpi_remove_notify_handler(acpi_handle device,
                         goto unlock_and_exit;
                 }
 
-                /* Make sure all deferred tasks are completed */
-
-                (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-                acpi_os_wait_events_complete(NULL);
-                status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-                if (ACPI_FAILURE(status)) {
-                        goto exit;
-                }
-
                 if (handler_type & ACPI_SYSTEM_NOTIFY) {
                         acpi_gbl_system_notify.node = NULL;
                         acpi_gbl_system_notify.handler = NULL;
@@ -488,28 +567,60 @@ acpi_remove_notify_handler(acpi_handle device,
                 /* Object exists - make sure there's an existing handler */
 
                 if (handler_type & ACPI_SYSTEM_NOTIFY) {
+                        struct acpi_object_notify_handler *handler_obj;
+                        struct acpi_object_notify_handler *parent_obj;
+
                         notify_obj = obj_desc->common_notify.system_notify;
                         if (!notify_obj) {
                                 status = AE_NOT_EXIST;
                                 goto unlock_and_exit;
                         }
 
-                        if (notify_obj->notify.handler != handler) {
+                        handler_obj = &notify_obj->notify;
+                        parent_obj = NULL;
+                        while (handler_obj->handler != handler) {
+                                if (handler_obj->next) {
+                                        parent_obj = handler_obj;
+                                        handler_obj = handler_obj->next;
+                                } else {
+                                        break;
+                                }
+                        }
+
+                        if (handler_obj->handler != handler) {
                                 status = AE_BAD_PARAMETER;
                                 goto unlock_and_exit;
                         }
-                        /* Make sure all deferred tasks are completed */
 
-                        (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-                        acpi_os_wait_events_complete(NULL);
-                        status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-                        if (ACPI_FAILURE(status)) {
-                                goto exit;
+                        /*
+                         * Remove the handler.  There are three possible cases.
+                         * First, we may need to remove a non-embedded object.
+                         * Second, we may need to remove the embedded object's
+                         * handler data, while non-embedded objects exist.
+                         * Finally, we may need to remove the embedded object
+                         * entirely along with its container.
+                         */
+                        if (parent_obj) {
+                                /* Non-embedded object is being removed. */
+                                parent_obj->next = handler_obj->next;
+                                ACPI_FREE(handler_obj);
+                        } else if (notify_obj->notify.next) {
+                                /*
+                                 * The handler matches the embedded object, but
+                                 * there are more handler objects in the list.
+                                 * Replace the embedded object's data with the
+                                 * first next object's data and remove that
+                                 * object.
+                                 */
+                                parent_obj = &notify_obj->notify;
+                                handler_obj = notify_obj->notify.next;
+                                *parent_obj = *handler_obj;
+                                ACPI_FREE(handler_obj);
+                        } else {
+                                /* No more handler objects in the list. */
+                                obj_desc->common_notify.system_notify = NULL;
+                                acpi_ut_remove_reference(notify_obj);
                         }
-
-                        /* Remove the handler */
-                        obj_desc->common_notify.system_notify = NULL;
-                        acpi_ut_remove_reference(notify_obj);
                 }
 
                 if (handler_type & ACPI_DEVICE_NOTIFY) {
@@ -523,14 +634,6 @@ acpi_remove_notify_handler(acpi_handle device,
                                 status = AE_BAD_PARAMETER;
                                 goto unlock_and_exit;
                         }
-                        /* Make sure all deferred tasks are completed */
-
-                        (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-                        acpi_os_wait_events_complete(NULL);
-                        status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-                        if (ACPI_FAILURE(status)) {
-                                goto exit;
-                        }
 
                         /* Remove the handler */
                         obj_desc->common_notify.device_notify = NULL;
@@ -617,13 +720,6 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
         handler->context = context;
         handler->method_node = gpe_event_info->dispatch.method_node;
 
-        /* Disable the GPE before installing the handler */
-
-        status = acpi_ev_disable_gpe(gpe_event_info);
-        if (ACPI_FAILURE(status)) {
-                goto unlock_and_exit;
-        }
-
         /* Install the handler */
 
         flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
@@ -707,13 +803,6 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
                 goto unlock_and_exit;
         }
 
-        /* Disable the GPE before removing the handler */
-
-        status = acpi_ev_disable_gpe(gpe_event_info);
-        if (ACPI_FAILURE(status)) {
-                goto unlock_and_exit;
-        }
-
         /* Make sure all deferred tasks are completed */
 
         (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index 4721f58fe42c..5ff32c78ea2d 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -201,23 +201,27 @@ ACPI_EXPORT_SYMBOL(acpi_enable_event)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_set_gpe_type
+ * FUNCTION:    acpi_set_gpe
  *
  * PARAMETERS:  gpe_device      - Parent GPE Device
  *              gpe_number      - GPE level within the GPE block
- *              Type            - New GPE type
+ *              action          - Enable or disable
+ *                                Called from ISR or not
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Set the type of an individual GPE
+ * DESCRIPTION: Enable or disable an ACPI event (general purpose)
  *
  ******************************************************************************/
-acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type)
+acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action)
 {
         acpi_status status = AE_OK;
+        acpi_cpu_flags flags;
         struct acpi_gpe_event_info *gpe_event_info;
 
-        ACPI_FUNCTION_TRACE(acpi_set_gpe_type);
+        ACPI_FUNCTION_TRACE(acpi_set_gpe);
+
+        flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
 
         /* Ensure that we have a valid GPE number */
 
@@ -227,19 +231,29 @@ acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type)
                 goto unlock_and_exit;
         }
 
-        if ((gpe_event_info->flags & ACPI_GPE_TYPE_MASK) == type) {
-                return_ACPI_STATUS(AE_OK);
-        }
+        /* Perform the action */
+
+        switch (action) {
+        case ACPI_GPE_ENABLE:
+                status = acpi_ev_enable_gpe(gpe_event_info);
+                break;
 
-        /* Set the new type (will disable GPE if currently enabled) */
+        case ACPI_GPE_DISABLE:
+                status = acpi_ev_disable_gpe(gpe_event_info);
+                break;
 
-        status = acpi_ev_set_gpe_type(gpe_event_info, type);
+        default:
+                ACPI_ERROR((AE_INFO, "Invalid action\n"));
+                status = AE_BAD_PARAMETER;
+                break;
+        }
 
       unlock_and_exit:
+        acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
         return_ACPI_STATUS(status);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_set_gpe_type)
+ACPI_EXPORT_SYMBOL(acpi_set_gpe)
 
 /*******************************************************************************
  *
@@ -247,15 +261,14 @@ ACPI_EXPORT_SYMBOL(acpi_set_gpe_type)
  *
  * PARAMETERS:  gpe_device      - Parent GPE Device
  *              gpe_number      - GPE level within the GPE block
- *              Flags           - Just enable, or also wake enable?
- *                                Called from ISR or not
+ *              type            - Purpose the GPE will be used for
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Enable an ACPI event (general purpose)
+ * DESCRIPTION: Take a reference to a GPE and enable it if necessary
  *
  ******************************************************************************/
-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 type)
 {
         acpi_status status = AE_OK;
         acpi_cpu_flags flags;
@@ -263,6 +276,9 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
 
         ACPI_FUNCTION_TRACE(acpi_enable_gpe);
 
+        if (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 */
@@ -273,15 +289,32 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
                 goto unlock_and_exit;
         }
 
-        /* Perform the enable */
+        if (type & ACPI_GPE_TYPE_RUNTIME) {
+                if (++gpe_event_info->runtime_count == 1) {
+                        status = acpi_ev_enable_gpe(gpe_event_info);
+                        if (ACPI_FAILURE(status))
+                                gpe_event_info->runtime_count--;
+                }
+        }
+
+        if (type & ACPI_GPE_TYPE_WAKE) {
+                if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
+                        status = AE_BAD_PARAMETER;
+                        goto unlock_and_exit;
+                }
 
-        status = acpi_ev_enable_gpe(gpe_event_info, TRUE);
+                /*
+                 * Wake-up GPEs are only enabled right prior to putting the
+                 * system into a sleep state.
+                 */
+                if (++gpe_event_info->wakeup_count == 1)
+                        acpi_ev_update_gpe_enable_masks(gpe_event_info);
+        }
 
-      unlock_and_exit:
+unlock_and_exit:
         acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
         return_ACPI_STATUS(status);
 }
-
 ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
 
 /*******************************************************************************
@@ -290,15 +323,14 @@ ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
  *
  * PARAMETERS:  gpe_device      - Parent GPE Device
  *              gpe_number      - GPE level within the GPE block
- *              Flags           - Just disable, or also wake disable?
- *                                Called from ISR or not
+ *              type            - Purpose the GPE won't be used for any more
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Disable an ACPI event (general purpose)
+ * DESCRIPTION: Release a reference to a GPE and disable it if necessary
  *
  ******************************************************************************/
-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 type)
 {
         acpi_status status = AE_OK;
         acpi_cpu_flags flags;
@@ -306,6 +338,9 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
 
         ACPI_FUNCTION_TRACE(acpi_disable_gpe);
 
+        if (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 */
 
@@ -315,13 +350,24 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
                 goto unlock_and_exit;
         }
 
-        status = acpi_ev_disable_gpe(gpe_event_info);
+        if ((type & ACPI_GPE_TYPE_RUNTIME) && gpe_event_info->runtime_count) {
+                if (--gpe_event_info->runtime_count == 0)
+                        status = acpi_ev_disable_gpe(gpe_event_info);
+        }
+
+        if ((type & ACPI_GPE_TYPE_WAKE) && gpe_event_info->wakeup_count) {
+                /*
+                 * Wake-up GPEs are not enabled after leaving system sleep
+                 * states, so we don't need to disable them here.
+                 */
+                if (--gpe_event_info->wakeup_count == 0)
+                        acpi_ev_update_gpe_enable_masks(gpe_event_info);
+        }
 
 unlock_and_exit:
         acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
         return_ACPI_STATUS(status);
 }
-
 ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
 
 /*******************************************************************************
@@ -610,7 +656,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
                 return (status);
         }
 
-        node = acpi_ns_map_handle_to_node(gpe_device);
+        node = acpi_ns_validate_handle(gpe_device);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
@@ -698,7 +744,7 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
                 return (status);
         }
 
-        node = acpi_ns_map_handle_to_node(gpe_device);
+        node = acpi_ns_validate_handle(gpe_device);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
index 7c3d2d356ffb..541cbc1544d5 100644
--- a/drivers/acpi/acpica/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -89,7 +89,7 @@ acpi_install_address_space_handler(acpi_handle device,
 
         /* Convert and validate the device handle */
 
-        node = acpi_ns_map_handle_to_node(device);
+        node = acpi_ns_validate_handle(device);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
@@ -155,7 +155,7 @@ acpi_remove_address_space_handler(acpi_handle device,
 
         /* Convert and validate the device handle */
 
-        node = acpi_ns_map_handle_to_node(device);
+        node = acpi_ns_validate_handle(device);
         if (!node ||
             ((node->type != ACPI_TYPE_DEVICE) &&
              (node->type != ACPI_TYPE_PROCESSOR) &&
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index 24afef81af39..7e8b3bedc376 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -170,14 +170,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
 
                 /* Table not found, return an Integer=0 and AE_OK */
 
-                ddb_handle = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                ddb_handle = acpi_ut_create_integer_object((u64) 0);
                 if (!ddb_handle) {
                         return_ACPI_STATUS(AE_NO_MEMORY);
                 }
 
-                ddb_handle->integer.value = 0;
                 *return_desc = ddb_handle;
-
                 return_ACPI_STATUS(AE_OK);
         }
 
@@ -286,7 +284,7 @@ static acpi_status
 acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer)
 {
         acpi_status status;
-        acpi_integer value;
+        u64 value;
         u32 region_offset = 0;
         u32 i;
 
@@ -492,7 +490,11 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 
         status = acpi_tb_add_table(&table_desc, &table_index);
         if (ACPI_FAILURE(status)) {
-                goto cleanup;
+
+                /* Delete allocated table buffer */
+
+                acpi_tb_delete_table(&table_desc);
+                return_ACPI_STATUS(status);
         }
 
         /*
@@ -535,13 +537,6 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
                                              acpi_gbl_table_handler_context);
         }
 
-      cleanup:
-        if (ACPI_FAILURE(status)) {
-
-                /* Delete allocated table buffer */
-
-                acpi_tb_delete_table(&table_desc);
-        }
         return_ACPI_STATUS(status);
 }
 
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
index 37d0d39e60a6..bda7aed0404b 100644
--- a/drivers/acpi/acpica/exconvrt.c
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -51,8 +51,7 @@ ACPI_MODULE_NAME("exconvrt")
 
 /* Local prototypes */
 static u32
-acpi_ex_convert_to_ascii(acpi_integer integer,
-                         u16 base, u8 * string, u8 max_length);
+acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 max_length);
 
 /*******************************************************************************
  *
@@ -75,7 +74,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
 {
         union acpi_operand_object *return_desc;
         u8 *pointer;
-        acpi_integer result;
+        u64 result;
         u32 i;
         u32 count;
         acpi_status status;
@@ -155,7 +154,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
                          * Little endian is used, meaning that the first byte of the buffer
                          * is the LSB of the integer
                          */
-                        result |= (((acpi_integer) pointer[i]) << (i * 8));
+                        result |= (((u64) pointer[i]) << (i * 8));
                 }
                 break;
 
@@ -167,7 +166,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
 
         /* Create a new integer */
 
-        return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+        return_desc = acpi_ut_create_integer_object(result);
         if (!return_desc) {
                 return_ACPI_STATUS(AE_NO_MEMORY);
         }
@@ -177,7 +176,6 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
 
         /* Save the Result */
 
-        return_desc->integer.value = result;
         acpi_ex_truncate_for32bit_table(return_desc);
         *result_desc = return_desc;
         return_ACPI_STATUS(AE_OK);
@@ -286,10 +284,9 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
  ******************************************************************************/
 
 static u32
-acpi_ex_convert_to_ascii(acpi_integer integer,
-                         u16 base, u8 * string, u8 data_width)
+acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width)
 {
-        acpi_integer digit;
+        u64 digit;
         u32 i;
         u32 j;
         u32 k = 0;
@@ -532,10 +529,9 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
                  * (separated by commas or spaces)
                  */
                 for (i = 0; i < obj_desc->buffer.length; i++) {
-                        new_buf += acpi_ex_convert_to_ascii((acpi_integer)
-                                                            obj_desc->buffer.
-                                                            pointer[i], base,
-                                                            new_buf, 1);
+                        new_buf += acpi_ex_convert_to_ascii((u64) obj_desc->
+                                                            buffer.pointer[i],
+                                                            base, new_buf, 1);
                         *new_buf++ = separator; /* each separated by a comma or space */
                 }
 
diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c
index 02b25d233d99..0aa57d938698 100644
--- a/drivers/acpi/acpica/excreate.c
+++ b/drivers/acpi/acpica/excreate.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
index de3446372ddc..d39d438ba1e3 100644
--- a/drivers/acpi/acpica/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index 0b33d6c887b9..6c79fecbee42 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -130,7 +130,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
                 /* Call the region handler for the read */
 
                 status = acpi_ex_access_region(obj_desc, 0,
-                                               ACPI_CAST_PTR(acpi_integer,
+                                               ACPI_CAST_PTR(u64,
                                                              buffer_desc->
                                                              buffer.pointer),
                                                function);
@@ -141,7 +141,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
         /*
          * Allocate a buffer for the contents of the field.
          *
-         * If the field is larger than the size of an acpi_integer, create
+         * If the field is larger than the current integer width, create
          * a BUFFER to hold it.  Otherwise, use an INTEGER.  This allows
          * the use of arithmetic operators on the returned value if the
          * field size is equal or smaller than an Integer.
@@ -162,13 +162,12 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
         } else {
                 /* Field will fit within an Integer (normal case) */
 
-                buffer_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                buffer_desc = acpi_ut_create_integer_object((u64) 0);
                 if (!buffer_desc) {
                         return_ACPI_STATUS(AE_NO_MEMORY);
                 }
 
                 length = acpi_gbl_integer_byte_width;
-                buffer_desc->integer.value = 0;
                 buffer = &buffer_desc->integer.value;
         }
 
@@ -307,8 +306,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
                  * same buffer)
                  */
                 status = acpi_ex_access_region(obj_desc, 0,
-                                               (acpi_integer *) buffer,
-                                               function);
+                                               (u64 *) buffer, function);
                 acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
 
                 *result_desc = buffer_desc;
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index d7b3b418fb45..f68a216168be 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -55,11 +55,10 @@ ACPI_MODULE_NAME("exfldio")
 static acpi_status
 acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
                        u32 field_datum_byte_offset,
-                       acpi_integer * value, u32 read_write);
+                       u64 *value, u32 read_write);
 
 static u8
-acpi_ex_register_overflow(union acpi_operand_object *obj_desc,
-                          acpi_integer value);
+acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value);
 
 static acpi_status
 acpi_ex_setup_region(union acpi_operand_object *obj_desc,
@@ -212,7 +211,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
  *              field_datum_byte_offset - Byte offset of this datum within the
  *                                        parent field
  *              Value                   - Where to store value (must at least
- *                                        the size of acpi_integer)
+ *                                        64 bits)
  *              Function                - Read or Write flag plus other region-
  *                                        dependent flags
  *
@@ -224,8 +223,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
 
 acpi_status
 acpi_ex_access_region(union acpi_operand_object *obj_desc,
-                      u32 field_datum_byte_offset,
-                      acpi_integer * value, u32 function)
+                      u32 field_datum_byte_offset, u64 *value, u32 function)
 {
         acpi_status status;
         union acpi_operand_object *rgn_desc;
@@ -317,8 +315,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
  ******************************************************************************/
 
 static u8
-acpi_ex_register_overflow(union acpi_operand_object *obj_desc,
-                          acpi_integer value)
+acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value)
 {
 
         if (obj_desc->common_field.bit_length >= ACPI_INTEGER_BIT_SIZE) {
@@ -329,7 +326,7 @@ acpi_ex_register_overflow(union acpi_operand_object *obj_desc,
                 return (FALSE);
         }
 
-        if (value >= ((acpi_integer) 1 << obj_desc->common_field.bit_length)) {
+        if (value >= ((u64) 1 << obj_desc->common_field.bit_length)) {
                 /*
                  * The Value is larger than the maximum value that can fit into
                  * the register.
@@ -362,11 +359,10 @@ acpi_ex_register_overflow(union acpi_operand_object *obj_desc,
 
 static acpi_status
 acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
-                       u32 field_datum_byte_offset,
-                       acpi_integer * value, u32 read_write)
+                       u32 field_datum_byte_offset, u64 *value, u32 read_write)
 {
         acpi_status status;
-        acpi_integer local_value;
+        u64 local_value;
 
         ACPI_FUNCTION_TRACE_U32(ex_field_datum_io, field_datum_byte_offset);
 
@@ -439,8 +435,8 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
                  * the register
                  */
                 if (acpi_ex_register_overflow(obj_desc->bank_field.bank_obj,
-                                              (acpi_integer) obj_desc->
-                                              bank_field.value)) {
+                                              (u64) obj_desc->bank_field.
+                                              value)) {
                         return_ACPI_STATUS(AE_AML_REGISTER_LIMIT);
                 }
 
@@ -481,8 +477,8 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
                  * the register
                  */
                 if (acpi_ex_register_overflow(obj_desc->index_field.index_obj,
-                                              (acpi_integer) obj_desc->
-                                              index_field.value)) {
+                                              (u64) obj_desc->index_field.
+                                              value)) {
                         return_ACPI_STATUS(AE_AML_REGISTER_LIMIT);
                 }
 
@@ -512,7 +508,7 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
                         status =
                             acpi_ex_extract_from_field(obj_desc->index_field.
                                                        data_obj, value,
-                                                       sizeof(acpi_integer));
+                                                       sizeof(u64));
                 } else {
                         /* Write the datum to the data_register */
 
@@ -523,7 +519,7 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
                         status =
                             acpi_ex_insert_into_field(obj_desc->index_field.
                                                       data_obj, value,
-                                                      sizeof(acpi_integer));
+                                                      sizeof(u64));
                 }
                 break;
 
@@ -571,13 +567,12 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
 
 acpi_status
 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
-                               acpi_integer mask,
-                               acpi_integer field_value,
-                               u32 field_datum_byte_offset)
+                               u64 mask,
+                               u64 field_value, u32 field_datum_byte_offset)
 {
         acpi_status status = AE_OK;
-        acpi_integer merged_value;
-        acpi_integer current_value;
+        u64 merged_value;
+        u64 current_value;
 
         ACPI_FUNCTION_TRACE_U32(ex_write_with_update_rule, mask);
 
@@ -587,7 +582,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
 
         /* If the mask is all ones, we don't need to worry about the update rule */
 
-        if (mask != ACPI_INTEGER_MAX) {
+        if (mask != ACPI_UINT64_MAX) {
 
                 /* Decode the update rule */
 
@@ -678,8 +673,8 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
                            void *buffer, u32 buffer_length)
 {
         acpi_status status;
-        acpi_integer raw_datum;
-        acpi_integer merged_datum;
+        u64 raw_datum;
+        u64 merged_datum;
         u32 field_offset = 0;
         u32 buffer_offset = 0;
         u32 buffer_tail_bits;
@@ -804,10 +799,10 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
                           void *buffer, u32 buffer_length)
 {
         acpi_status status;
-        acpi_integer mask;
-        acpi_integer width_mask;
-        acpi_integer merged_datum;
-        acpi_integer raw_datum = 0;
+        u64 mask;
+        u64 width_mask;
+        u64 merged_datum;
+        u64 raw_datum = 0;
         u32 field_offset = 0;
         u32 buffer_offset = 0;
         u32 buffer_tail_bits;
@@ -855,7 +850,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
          * shift operator
          */
         if (obj_desc->common_field.access_bit_width == ACPI_INTEGER_BIT_SIZE) {
-                width_mask = ACPI_INTEGER_MAX;
+                width_mask = ACPI_UINT64_MAX;
         } else {
                 width_mask =
                     ACPI_MASK_BITS_ABOVE(obj_desc->common_field.
diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c
index 998eac329937..c5bb1eeed2df 100644
--- a/drivers/acpi/acpica/exmisc.c
+++ b/drivers/acpi/acpica/exmisc.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -409,8 +409,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
  *
  ******************************************************************************/
 
-acpi_integer
-acpi_ex_do_math_op(u16 opcode, acpi_integer integer0, acpi_integer integer1)
+u64 acpi_ex_do_math_op(u16 opcode, u64 integer0, u64 integer1)
 {
 
         ACPI_FUNCTION_ENTRY();
@@ -498,8 +497,7 @@ acpi_ex_do_math_op(u16 opcode, acpi_integer integer0, acpi_integer integer1)
 
 acpi_status
 acpi_ex_do_logical_numeric_op(u16 opcode,
-                              acpi_integer integer0,
-                              acpi_integer integer1, u8 * logical_result)
+                              u64 integer0, u64 integer1, u8 *logical_result)
 {
         acpi_status status = AE_OK;
         u8 local_result = FALSE;
@@ -564,8 +562,8 @@ acpi_ex_do_logical_op(u16 opcode,
                       union acpi_operand_object *operand1, u8 * logical_result)
 {
         union acpi_operand_object *local_operand1 = operand1;
-        acpi_integer integer0;
-        acpi_integer integer1;
+        u64 integer0;
+        u64 integer1;
         u32 length0;
         u32 length1;
         acpi_status status = AE_OK;
diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
index 2f0114202b05..7116bc86494d 100644
--- a/drivers/acpi/acpica/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -375,6 +375,14 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
                 return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED);
         }
 
+        /* Must have a valid thread. */
+        if (!walk_state->thread) {
+                ACPI_ERROR((AE_INFO,
+                            "Cannot release Mutex [%4.4s], null thread info",
+                            acpi_ut_get_node_name(obj_desc->mutex.node)));
+                return_ACPI_STATUS(AE_AML_INTERNAL);
+        }
+
         /*
          * The Mutex is owned, but this thread must be the owner.
          * Special case for Global Lock, any thread can release
@@ -392,15 +400,6 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
                 return_ACPI_STATUS(AE_AML_NOT_OWNER);
         }
 
-        /* Must have a valid thread ID */
-
-        if (!walk_state->thread) {
-                ACPI_ERROR((AE_INFO,
-                            "Cannot release Mutex [%4.4s], null thread info",
-                            acpi_ut_get_node_name(obj_desc->mutex.node)));
-                return_ACPI_STATUS(AE_AML_INTERNAL);
-        }
-
         /*
          * The sync level of the mutex must be equal to the current sync level. In
          * other words, the current level means that at least one mutex at that
diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c
index ffdae122d94a..679f308c5a89 100644
--- a/drivers/acpi/acpica/exnames.c
+++ b/drivers/acpi/acpica/exnames.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c
index 9635d21e568d..99adbab5acbf 100644
--- a/drivers/acpi/acpica/exoparg1.c
+++ b/drivers/acpi/acpica/exoparg1.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -100,12 +100,12 @@ acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state)
 
                 /* Create a return object of type Integer */
 
-                return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                return_desc =
+                    acpi_ut_create_integer_object(acpi_os_get_timer());
                 if (!return_desc) {
                         status = AE_NO_MEMORY;
                         goto cleanup;
                 }
-                return_desc->integer.value = acpi_os_get_timer();
                 break;
 
         default:                /*  Unknown opcode  */
@@ -261,8 +261,8 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
         union acpi_operand_object *return_desc2 = NULL;
         u32 temp32;
         u32 i;
-        acpi_integer power_of_ten;
-        acpi_integer digit;
+        u64 power_of_ten;
+        u64 digit;
 
         ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_1R,
                                 acpi_ps_get_opcode_name(walk_state->opcode));
@@ -362,7 +362,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
                                 /* Sum the digit into the result with the current power of 10 */
 
                                 return_desc->integer.value +=
-                                    (((acpi_integer) temp32) * power_of_ten);
+                                    (((u64) temp32) * power_of_ten);
 
                                 /* Shift to next BCD digit */
 
@@ -392,7 +392,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
                                  * remainder from above
                                  */
                                 return_desc->integer.value |=
-                                    (((acpi_integer) temp32) << ACPI_MUL_4(i));
+                                    (((u64) temp32) << ACPI_MUL_4(i));
                         }
 
                         /* Overflow if there is any data left in Digit */
@@ -439,7 +439,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
 
                         /* The object exists in the namespace, return TRUE */
 
-                        return_desc->integer.value = ACPI_INTEGER_MAX;
+                        return_desc->integer.value = ACPI_UINT64_MAX;
                         goto cleanup;
 
                 default:
@@ -589,7 +589,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
         union acpi_operand_object *return_desc = NULL;
         acpi_status status = AE_OK;
         u32 type;
-        acpi_integer value;
+        u64 value;
 
         ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_1R,
                                 acpi_ps_get_opcode_name(walk_state->opcode));
@@ -599,7 +599,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
         switch (walk_state->opcode) {
         case AML_LNOT_OP:       /* LNot (Operand) */
 
-                return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                return_desc = acpi_ut_create_integer_object((u64) 0);
                 if (!return_desc) {
                         status = AE_NO_MEMORY;
                         goto cleanup;
@@ -610,7 +610,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
                  * return_desc->Integer.Value is initially == 0 (FALSE) from above.
                  */
                 if (!operand[0]->integer.value) {
-                        return_desc->integer.value = ACPI_INTEGER_MAX;
+                        return_desc->integer.value = ACPI_UINT64_MAX;
                 }
                 break;
 
@@ -702,13 +702,11 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 
                 /* Allocate a descriptor to hold the type. */
 
-                return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                return_desc = acpi_ut_create_integer_object((u64) type);
                 if (!return_desc) {
                         status = AE_NO_MEMORY;
                         goto cleanup;
                 }
-
-                return_desc->integer.value = type;
                 break;
 
         case AML_SIZE_OF_OP:    /* size_of (source_object) */
@@ -777,13 +775,11 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
                  * Now that we have the size of the object, create a result
                  * object to hold the value
                  */
-                return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                return_desc = acpi_ut_create_integer_object(value);
                 if (!return_desc) {
                         status = AE_NO_MEMORY;
                         goto cleanup;
                 }
-
-                return_desc->integer.value = value;
                 break;
 
         case AML_REF_OF_OP:     /* ref_of (source_object) */
@@ -946,24 +942,24 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
                                          * NOTE: index into a buffer is NOT a pointer to a
                                          * sub-buffer of the main buffer, it is only a pointer to a
                                          * single element (byte) of the buffer!
+                                         *
+                                         * Since we are returning the value of the buffer at the
+                                         * indexed location, we don't need to add an additional
+                                         * reference to the buffer itself.
                                          */
                                         return_desc =
-                                            acpi_ut_create_internal_object
-                                            (ACPI_TYPE_INTEGER);
+                                            acpi_ut_create_integer_object((u64)
+                                                                          temp_desc->
+                                                                          buffer.
+                                                                          pointer
+                                                                          [operand
+                                                                           [0]->
+                                                                           reference.
+                                                                           value]);
                                         if (!return_desc) {
                                                 status = AE_NO_MEMORY;
                                                 goto cleanup;
                                         }
-
-                                        /*
-                                         * Since we are returning the value of the buffer at the
-                                         * indexed location, we don't need to add an additional
-                                         * reference to the buffer itself.
-                                         */
-                                        return_desc->integer.value =
-                                            temp_desc->buffer.
-                                            pointer[operand[0]->reference.
-                                                    value];
                                         break;
 
                                 case ACPI_TYPE_PACKAGE:
diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c
index 85d95c92dfd3..22841bbbe63c 100644
--- a/drivers/acpi/acpica/exoparg2.c
+++ b/drivers/acpi/acpica/exoparg2.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -282,7 +282,7 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 {
         union acpi_operand_object **operand = &walk_state->operands[0];
         union acpi_operand_object *return_desc = NULL;
-        acpi_integer index;
+        u64 index;
         acpi_status status = AE_OK;
         acpi_size length;
 
@@ -584,7 +584,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
          * Default is FALSE (zero)
          */
         if (logical_result) {
-                return_desc->integer.value = ACPI_INTEGER_MAX;
+                return_desc->integer.value = ACPI_UINT64_MAX;
         }
 
       cleanup:
diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c
index 253f9e122584..8bb1012ef44e 100644
--- a/drivers/acpi/acpica/exoparg3.c
+++ b/drivers/acpi/acpica/exoparg3.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -148,7 +148,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
         union acpi_operand_object *return_desc = NULL;
         char *buffer = NULL;
         acpi_status status = AE_OK;
-        acpi_integer index;
+        u64 index;
         acpi_size length;
 
         ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_1T_1R,
diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
index ae43f7670a6c..f256b6a25f2e 100644
--- a/drivers/acpi/acpica/exoparg6.c
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -218,7 +218,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
         union acpi_operand_object **operand = &walk_state->operands[0];
         union acpi_operand_object *return_desc = NULL;
         acpi_status status = AE_OK;
-        acpi_integer index;
+        u64 index;
         union acpi_operand_object *this_element;
 
         ACPI_FUNCTION_TRACE_STR(ex_opcode_6A_0T_1R,
@@ -253,18 +253,15 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
                 }
 
                 /* Create an integer for the return value */
+                /* Default return value is ACPI_UINT64_MAX if no match found */
 
-                return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                return_desc = acpi_ut_create_integer_object(ACPI_UINT64_MAX);
                 if (!return_desc) {
                         status = AE_NO_MEMORY;
                         goto cleanup;
 
                 }
 
-                /* Default return value if no match found */
-
-                return_desc->integer.value = ACPI_INTEGER_MAX;
-
                 /*
                  * Examine each element until a match is found. Both match conditions
                  * must be satisfied for a match to occur. Within the loop,
@@ -273,7 +270,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
                  *
                  * Upon finding a match, the loop will terminate via "break" at
                  * the bottom.  If it terminates "normally", match_value will be
-                 * ACPI_INTEGER_MAX (Ones) (its initial value) indicating that no
+                 * ACPI_UINT64_MAX (Ones) (its initial value) indicating that no
                  * match was found.
                  */
                 for (; index < operand[0]->package.count; index++) {
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 52fec07064f0..2fbfe51fb141 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -468,6 +468,23 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
 
                 acpi_ut_add_reference(obj_desc->field.region_obj);
 
+                /* allow full data read from EC address space */
+                if (obj_desc->field.region_obj->region.space_id ==
+                        ACPI_ADR_SPACE_EC) {
+                        if (obj_desc->common_field.bit_length > 8) {
+                                unsigned width =
+                                        ACPI_ROUND_BITS_UP_TO_BYTES(
+                                        obj_desc->common_field.bit_length);
+                                // access_bit_width is u8, don't overflow it
+                                if (width > 8)
+                                        width = 8;
+                                obj_desc->common_field.access_byte_width =
+                                                        width;
+                                obj_desc->common_field.access_bit_width =
+                                                        8 * width;
+                        }
+                }
+
                 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
                                   "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n",
                                   obj_desc->field.start_field_bit_offset,
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 2bd83ac57c3a..486b2e5661b6 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -70,7 +70,7 @@ acpi_status
 acpi_ex_system_memory_space_handler(u32 function,
                                     acpi_physical_address address,
                                     u32 bit_width,
-                                    acpi_integer * value,
+                                    u64 *value,
                                     void *handler_context, void *region_context)
 {
         acpi_status status = AE_OK;
@@ -115,8 +115,7 @@ acpi_ex_system_memory_space_handler(u32 function,
          * Hardware does not support non-aligned data transfers, we must verify
          * the request.
          */
-        (void)acpi_ut_short_divide((acpi_integer) address, length, NULL,
-                                   &remainder);
+        (void)acpi_ut_short_divide((u64) address, length, NULL, &remainder);
         if (remainder != 0) {
                 return_ACPI_STATUS(AE_AML_ALIGNMENT);
         }
@@ -128,10 +127,9 @@ acpi_ex_system_memory_space_handler(u32 function,
          *    2) Address beyond the current mapping?
          */
         if ((address < mem_info->mapped_physical_address) ||
-            (((acpi_integer) address + length) > ((acpi_integer)
-                                                  mem_info->
-                                                  mapped_physical_address +
-                                                  mem_info->mapped_length))) {
+            (((u64) address + length) > ((u64)
+                                         mem_info->mapped_physical_address +
+                                         mem_info->mapped_length))) {
                 /*
                  * The request cannot be resolved by the current memory mapping;
                  * Delete the existing mapping and create a new one.
@@ -193,8 +191,7 @@ acpi_ex_system_memory_space_handler(u32 function,
          * access
          */
         logical_addr_ptr = mem_info->mapped_logical_address +
-            ((acpi_integer) address -
-             (acpi_integer) mem_info->mapped_physical_address);
+            ((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",
@@ -215,19 +212,19 @@ acpi_ex_system_memory_space_handler(u32 function,
                 *value = 0;
                 switch (bit_width) {
                 case 8:
-                        *value = (acpi_integer) ACPI_GET8(logical_addr_ptr);
+                        *value = (u64) ACPI_GET8(logical_addr_ptr);
                         break;
 
                 case 16:
-                        *value = (acpi_integer) ACPI_GET16(logical_addr_ptr);
+                        *value = (u64) ACPI_GET16(logical_addr_ptr);
                         break;
 
                 case 32:
-                        *value = (acpi_integer) ACPI_GET32(logical_addr_ptr);
+                        *value = (u64) ACPI_GET32(logical_addr_ptr);
                         break;
 
                 case 64:
-                        *value = (acpi_integer) ACPI_GET64(logical_addr_ptr);
+                        *value = (u64) ACPI_GET64(logical_addr_ptr);
                         break;
 
                 default:
@@ -291,7 +288,7 @@ acpi_status
 acpi_ex_system_io_space_handler(u32 function,
                                 acpi_physical_address address,
                                 u32 bit_width,
-                                acpi_integer * value,
+                                u64 *value,
                                 void *handler_context, void *region_context)
 {
         acpi_status status = AE_OK;
@@ -350,7 +347,7 @@ acpi_status
 acpi_ex_pci_config_space_handler(u32 function,
                                  acpi_physical_address address,
                                  u32 bit_width,
-                                 acpi_integer * value,
+                                 u64 *value,
                                  void *handler_context, void *region_context)
 {
         acpi_status status = AE_OK;
@@ -425,7 +422,7 @@ acpi_status
 acpi_ex_cmos_space_handler(u32 function,
                            acpi_physical_address address,
                            u32 bit_width,
-                           acpi_integer * value,
+                           u64 *value,
                            void *handler_context, void *region_context)
 {
         acpi_status status = AE_OK;
@@ -457,7 +454,7 @@ acpi_status
 acpi_ex_pci_bar_space_handler(u32 function,
                               acpi_physical_address address,
                               u32 bit_width,
-                              acpi_integer * value,
+                              u64 *value,
                               void *handler_context, void *region_context)
 {
         acpi_status status = AE_OK;
@@ -489,7 +486,7 @@ acpi_status
 acpi_ex_data_table_space_handler(u32 function,
                                  acpi_physical_address address,
                                  u32 bit_width,
-                                 acpi_integer * value,
+                                 u64 *value,
                                  void *handler_context, void *region_context)
 {
         ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c
index 607958ff467c..fdc1b27999ef 100644
--- a/drivers/acpi/acpica/exresnte.c
+++ b/drivers/acpi/acpica/exresnte.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c
index c93b54ce7f78..fdd6a7079b97 100644
--- a/drivers/acpi/acpica/exresolv.c
+++ b/drivers/acpi/acpica/exresolv.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c
index 5c729a9e9131..c5ecd615f145 100644
--- a/drivers/acpi/acpica/exresop.c
+++ b/drivers/acpi/acpica/exresop.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c
index 6efd07a4f779..702b9ecfd44b 100644
--- a/drivers/acpi/acpica/exstore.c
+++ b/drivers/acpi/acpica/exstore.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exstoren.c b/drivers/acpi/acpica/exstoren.c
index 608e838d537e..d4af684620ca 100644
--- a/drivers/acpi/acpica/exstoren.c
+++ b/drivers/acpi/acpica/exstoren.c
@@ -7,7 +7,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c
index 257706e7734f..e972b667b09b 100644
--- a/drivers/acpi/acpica/exstorob.c
+++ b/drivers/acpi/acpica/exstorob.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c
index 3d00b9357233..e11b6cb42a57 100644
--- a/drivers/acpi/acpica/exsystem.c
+++ b/drivers/acpi/acpica/exsystem.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -193,7 +193,7 @@ acpi_status acpi_ex_system_do_stall(u32 how_long)
  *
  ******************************************************************************/
 
-acpi_status acpi_ex_system_do_suspend(acpi_integer how_long)
+acpi_status acpi_ex_system_do_suspend(u64 how_long)
 {
         ACPI_FUNCTION_ENTRY();
 
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
index 7d41f99f7052..74c24d517f81 100644
--- a/drivers/acpi/acpica/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -67,7 +67,7 @@
 ACPI_MODULE_NAME("exutils")
 
 /* Local prototypes */
-static u32 acpi_ex_digits_needed(acpi_integer value, u32 base);
+static u32 acpi_ex_digits_needed(u64 value, u32 base);
 
 #ifndef ACPI_NO_METHOD_EXECUTION
 /*******************************************************************************
@@ -230,7 +230,7 @@ void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc)
                  * We are running a method that exists in a 32-bit ACPI table.
                  * Truncate the value to 32 bits by zeroing out the upper 32-bit field
                  */
-                obj_desc->integer.value &= (acpi_integer) ACPI_UINT32_MAX;
+                obj_desc->integer.value &= (u64) ACPI_UINT32_MAX;
         }
 }
 
@@ -327,14 +327,14 @@ void acpi_ex_release_global_lock(u32 field_flags)
  *
  ******************************************************************************/
 
-static u32 acpi_ex_digits_needed(acpi_integer value, u32 base)
+static u32 acpi_ex_digits_needed(u64 value, u32 base)
 {
         u32 num_digits;
-        acpi_integer current_value;
+        u64 current_value;
 
         ACPI_FUNCTION_TRACE(ex_digits_needed);
 
-        /* acpi_integer is unsigned, so we don't worry about a '-' prefix */
+        /* u64 is unsigned, so we don't worry about a '-' prefix */
 
         if (value == 0) {
                 return_UINT32(1);
@@ -370,7 +370,7 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base)
  *
  ******************************************************************************/
 
-void acpi_ex_eisa_id_to_string(char *out_string, acpi_integer compressed_id)
+void acpi_ex_eisa_id_to_string(char *out_string, u64 compressed_id)
 {
         u32 swapped_id;
 
@@ -394,10 +394,10 @@ void acpi_ex_eisa_id_to_string(char *out_string, acpi_integer compressed_id)
             (char)(0x40 + (((unsigned long)swapped_id >> 26) & 0x1F));
         out_string[1] = (char)(0x40 + ((swapped_id >> 21) & 0x1F));
         out_string[2] = (char)(0x40 + ((swapped_id >> 16) & 0x1F));
-        out_string[3] = acpi_ut_hex_to_ascii_char((acpi_integer)swapped_id, 12);
-        out_string[4] = acpi_ut_hex_to_ascii_char((acpi_integer)swapped_id, 8);
-        out_string[5] = acpi_ut_hex_to_ascii_char((acpi_integer)swapped_id, 4);
-        out_string[6] = acpi_ut_hex_to_ascii_char((acpi_integer)swapped_id, 0);
+        out_string[3] = acpi_ut_hex_to_ascii_char((u64) swapped_id, 12);
+        out_string[4] = acpi_ut_hex_to_ascii_char((u64) swapped_id, 8);
+        out_string[5] = acpi_ut_hex_to_ascii_char((u64) swapped_id, 4);
+        out_string[6] = acpi_ut_hex_to_ascii_char((u64) swapped_id, 0);
         out_string[7] = 0;
 }
 
@@ -418,7 +418,7 @@ void acpi_ex_eisa_id_to_string(char *out_string, acpi_integer compressed_id)
  *
  ******************************************************************************/
 
-void acpi_ex_integer_to_string(char *out_string, acpi_integer value)
+void acpi_ex_integer_to_string(char *out_string, u64 value)
 {
         u32 count;
         u32 digits_needed;
diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
index 9af361a191e7..679a112a7d26 100644
--- a/drivers/acpi/acpica/hwacpi.c
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index c28c41b3180b..bd72319a38f0 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -224,7 +224,7 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
 
         status = acpi_hw_read(&in_byte, &gpe_register_info->status_address);
         if (ACPI_FAILURE(status)) {
-                goto unlock_and_exit;
+                return (status);
         }
 
         if (register_bit & in_byte) {
@@ -234,9 +234,7 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
         /* Set return value */
 
         (*event_status) = local_event_status;
-
-      unlock_and_exit:
-        return (status);
+        return (AE_OK);
 }
 
 /******************************************************************************
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index 15c9ed2be853..ec7fc227b33f 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -7,7 +7,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index cc22f9a585b0..5e6d4dbb8024 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c
index 6b282e85d039..1ef8e0bb250b 100644
--- a/drivers/acpi/acpica/hwtimer.c
+++ b/drivers/acpi/acpica/hwtimer.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -140,7 +140,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
 {
         acpi_status status;
         u32 delta_ticks;
-        acpi_integer quotient;
+        u64 quotient;
 
         ACPI_FUNCTION_TRACE(acpi_get_timer_duration);
 
diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index ec33f270c5b7..e26c17d4b716 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2009, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index 647c7b6e6756..50cc3be77724 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index 9c3cdbe2d82a..aa2b80132d0a 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -165,7 +165,7 @@ acpi_status acpi_ns_root_initialize(void)
 
                                 obj_desc->method.method_flags =
                                     AML_METHOD_INTERNAL_ONLY;
-                                obj_desc->method.implementation =
+                                obj_desc->method.extra.implementation =
                                     acpi_ut_osi_implementation;
 #endif
                                 break;
diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c
index 8a58a1b85aa0..982269c1fa48 100644
--- a/drivers/acpi/acpica/nsalloc.c
+++ b/drivers/acpi/acpica/nsalloc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index 2bad613db73a..0689d36638d9 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -180,7 +180,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
                 return (AE_OK);
         }
 
-        this_node = acpi_ns_map_handle_to_node(obj_handle);
+        this_node = acpi_ns_validate_handle(obj_handle);
         if (!this_node) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
                                   obj_handle));
@@ -634,8 +634,8 @@ acpi_ns_dump_objects(acpi_object_type type,
         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
                                      ACPI_NS_WALK_NO_UNLOCK |
                                      ACPI_NS_WALK_TEMP_NODES,
-                                     acpi_ns_dump_one_object, (void *)&info,
-                                     NULL);
+                                     acpi_ns_dump_one_object, NULL,
+                                     (void *)&info, NULL);
 }
 #endif                          /* ACPI_FUTURE_USAGE */
 
diff --git a/drivers/acpi/acpica/nsdumpdv.c b/drivers/acpi/acpica/nsdumpdv.c
index 0fe87f1aef16..d2a97921e249 100644
--- a/drivers/acpi/acpica/nsdumpdv.c
+++ b/drivers/acpi/acpica/nsdumpdv.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -131,7 +131,8 @@ void acpi_ns_dump_root_devices(void)
 
         status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
                                         ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
-                                        acpi_ns_dump_one_device, NULL, NULL);
+                                        acpi_ns_dump_one_device, NULL, NULL,
+                                        NULL);
 }
 
 #endif
diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c
index 846d1132feb1..f52829cc294b 100644
--- a/drivers/acpi/acpica/nseval.c
+++ b/drivers/acpi/acpica/nseval.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -366,50 +366,88 @@ static void
 acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
                          struct acpi_evaluate_info *info)
 {
-        union acpi_operand_object *root_obj;
+        union acpi_operand_object *parent_obj;
+        struct acpi_namespace_node *parent_node;
+        acpi_object_type type;
         acpi_status status;
 
         ACPI_FUNCTION_TRACE(ns_exec_module_code);
 
+        /*
+         * Get the parent node. We cheat by using the next_object field
+         * of the method object descriptor.
+         */
+        parent_node = ACPI_CAST_PTR(struct acpi_namespace_node,
+                                    method_obj->method.next_object);
+        type = acpi_ns_get_type(parent_node);
+
+        /*
+         * Get the region handler and save it in the method object. We may need
+         * this if an operation region declaration causes a _REG method to be run.
+         *
+         * We can't do this in acpi_ps_link_module_code because
+         * acpi_gbl_root_node->Object is NULL at PASS1.
+         */
+        if ((type == ACPI_TYPE_DEVICE) && parent_node->object) {
+                method_obj->method.extra.handler =
+                    parent_node->object->device.handler;
+        }
+
+        /* Must clear next_object (acpi_ns_attach_object needs the field) */
+
+        method_obj->method.next_object = NULL;
+
         /* Initialize the evaluation information block */
 
         ACPI_MEMSET(info, 0, sizeof(struct acpi_evaluate_info));
-        info->prefix_node = acpi_gbl_root_node;
+        info->prefix_node = parent_node;
 
         /*
-         * Get the currently attached root object. Add a reference, because the
+         * Get the currently attached parent object. Add a reference, because the
          * ref count will be decreased when the method object is installed to
-         * the root node.
+         * the parent node.
          */
-        root_obj = acpi_ns_get_attached_object(acpi_gbl_root_node);
-        acpi_ut_add_reference(root_obj);
+        parent_obj = acpi_ns_get_attached_object(parent_node);
+        if (parent_obj) {
+                acpi_ut_add_reference(parent_obj);
+        }
 
-        /* Install the method (module-level code) in the root node */
+        /* Install the method (module-level code) in the parent node */
 
-        status = acpi_ns_attach_object(acpi_gbl_root_node, method_obj,
+        status = acpi_ns_attach_object(parent_node, method_obj,
                                        ACPI_TYPE_METHOD);
         if (ACPI_FAILURE(status)) {
                 goto exit;
         }
 
-        /* Execute the root node as a control method */
+        /* Execute the parent node as a control method */
 
         status = acpi_ns_evaluate(info);
 
         ACPI_DEBUG_PRINT((ACPI_DB_INIT, "Executed module-level code at %p\n",
                           method_obj->method.aml_start));
 
+        /* Delete a possible implicit return value (in slack mode) */
+
+        if (info->return_object) {
+                acpi_ut_remove_reference(info->return_object);
+        }
+
         /* Detach the temporary method object */
 
-        acpi_ns_detach_object(acpi_gbl_root_node);
+        acpi_ns_detach_object(parent_node);
 
-        /* Restore the original root object */
+        /* Restore the original parent object */
 
-        status =
-            acpi_ns_attach_object(acpi_gbl_root_node, root_obj,
-                                  ACPI_TYPE_DEVICE);
+        if (parent_obj) {
+                status = acpi_ns_attach_object(parent_node, parent_obj, type);
+        } else {
+                parent_node->type = (u8)type;
+        }
 
       exit:
-        acpi_ut_remove_reference(root_obj);
+        if (parent_obj) {
+                acpi_ut_remove_reference(parent_obj);
+        }
         return_VOID;
 }
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index 1d5b360eb25b..9bd6f050f299 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -96,7 +96,7 @@ acpi_status acpi_ns_initialize_objects(void)
         /* Walk entire namespace from the supplied root */
 
         status = acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
-                                     ACPI_UINT32_MAX, acpi_ns_init_one_object,
+                                     ACPI_UINT32_MAX, acpi_ns_init_one_object, NULL,
                                      &info, NULL);
         if (ACPI_FAILURE(status)) {
                 ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
@@ -156,7 +156,8 @@ acpi_status acpi_ns_initialize_devices(void)
 
         status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
                                         ACPI_UINT32_MAX, FALSE,
-                                        acpi_ns_find_ini_methods, &info, NULL);
+                                        acpi_ns_find_ini_methods, NULL, &info,
+                                        NULL);
         if (ACPI_FAILURE(status)) {
                 goto error_exit;
         }
@@ -189,7 +190,8 @@ acpi_status acpi_ns_initialize_devices(void)
 
         status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
                                         ACPI_UINT32_MAX, FALSE,
-                                        acpi_ns_init_one_device, &info, NULL);
+                                        acpi_ns_init_one_device, NULL, &info,
+                                        NULL);
 
         ACPI_FREE(info.evaluate_info);
         if (ACPI_FAILURE(status)) {
diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c
index a7234e60e985..df18be94fefe 100644
--- a/drivers/acpi/acpica/nsload.c
+++ b/drivers/acpi/acpica/nsload.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c
index af8e6bcee07e..959372451635 100644
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -232,7 +232,7 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
 
         ACPI_FUNCTION_TRACE_PTR(ns_handle_to_pathname, target_handle);
 
-        node = acpi_ns_map_handle_to_node(target_handle);
+        node = acpi_ns_validate_handle(target_handle);
         if (!node) {
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c
index 60f3af08d28c..41a9213dd5af 100644
--- a/drivers/acpi/acpica/nsobject.c
+++ b/drivers/acpi/acpica/nsobject.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c
index 662a4bd5b621..27cda52c76bc 100644
--- a/drivers/acpi/acpica/nsparse.c
+++ b/drivers/acpi/acpica/nsparse.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c
index f8427afeebdf..7096bcda0c72 100644
--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -216,23 +216,39 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
         data->pathname = pathname;
 
         /*
-         * Check that the type of the return object is what is expected for
-         * this predefined name
+         * Check that the type of the main return object is what is expected
+         * for this predefined name
          */
         status = acpi_ns_check_object_type(data, return_object_ptr,
                                            predefined->info.expected_btypes,
                                            ACPI_NOT_PACKAGE_ELEMENT);
         if (ACPI_FAILURE(status)) {
-                goto check_validation_status;
+                goto exit;
         }
 
-        /* For returned Package objects, check the type of all sub-objects */
-
-        if (return_object->common.type == ACPI_TYPE_PACKAGE) {
+        /*
+         * For returned Package objects, check the type of all sub-objects.
+         * Note: Package may have been newly created by call above.
+         */
+        if ((*return_object_ptr)->common.type == ACPI_TYPE_PACKAGE) {
+                data->parent_package = *return_object_ptr;
                 status = acpi_ns_check_package(data, return_object_ptr);
+                if (ACPI_FAILURE(status)) {
+                        goto exit;
+                }
         }
 
-check_validation_status:
+        /*
+         * The return object was OK, or it was successfully repaired above.
+         * Now make some additional checks such as verifying that package
+         * objects are sorted correctly (if required) or buffer objects have
+         * the correct data width (bytes vs. dwords). These repairs are
+         * performed on a per-name basis, i.e., the code is specific to
+         * particular predefined names.
+         */
+        status = acpi_ns_complex_repairs(data, node, status, return_object_ptr);
+
+exit:
         /*
          * If the object validation failed or if we successfully repaired one
          * or more objects, mark the parent node to suppress further warning
@@ -421,6 +437,13 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
                           data->pathname, package->ret_info.type,
                           return_object->package.count));
 
+        /*
+         * For variable-length Packages, we can safely remove all embedded
+         * and trailing NULL package elements
+         */
+        acpi_ns_remove_null_elements(data, package->ret_info.type,
+                                     return_object);
+
         /* Extract package count and elements array */
 
         elements = return_object->package.elements;
@@ -455,11 +478,11 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
                 if (count < expected_count) {
                         goto package_too_small;
                 } else if (count > expected_count) {
-                        ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
-                                              data->node_flags,
-                                              "Return Package is larger than needed - "
-                                              "found %u, expected %u", count,
-                                              expected_count));
+                        ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+                                          "%s: Return Package is larger than needed - "
+                                          "found %u, expected %u\n",
+                                          data->pathname, count,
+                                          expected_count));
                 }
 
                 /* Validate all elements of the returned package */
@@ -601,7 +624,8 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
                  * there is only one entry). We may be able to repair this by
                  * wrapping the returned Package with a new outer Package.
                  */
-                if ((*elements)->common.type != ACPI_TYPE_PACKAGE) {
+                if (*elements
+                    && ((*elements)->common.type != ACPI_TYPE_PACKAGE)) {
 
                         /* Create the new outer package and populate it */
 
@@ -677,11 +701,17 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
         u32 i;
         u32 j;
 
-        /* Validate each sub-Package in the parent Package */
-
+        /*
+         * Validate each sub-Package in the parent Package
+         *
+         * NOTE: assumes list of sub-packages contains no NULL elements.
+         * Any NULL elements should have been removed by earlier call
+         * to acpi_ns_remove_null_elements.
+         */
         for (i = 0; i < count; i++) {
                 sub_package = *elements;
                 sub_elements = sub_package->package.elements;
+                data->parent_package = sub_package;
 
                 /* Each sub-object must be of type Package */
 
@@ -693,6 +723,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
 
                 /* Examine the different types of expected sub-packages */
 
+                data->parent_package = sub_package;
                 switch (package->ret_info.type) {
                 case ACPI_PTYPE2:
                 case ACPI_PTYPE2_PKG_COUNT:
@@ -772,7 +803,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
 
                         /*
                          * First element is the (Integer) count of elements, including
-                         * the count field.
+                         * the count field (the ACPI name is num_elements)
                          */
                         status = acpi_ns_check_object_type(data, sub_elements,
                                                            ACPI_RTYPE_INTEGER,
@@ -794,6 +825,16 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
                                 expected_count = package->ret_info.count1;
                                 goto package_too_small;
                         }
+                        if (expected_count == 0) {
+                                /*
+                                 * Either the num_entries element was originally zero or it was
+                                 * a NULL element and repaired to an Integer of value zero.
+                                 * In either case, repair it by setting num_entries to be the
+                                 * actual size of the subpackage.
+                                 */
+                                expected_count = sub_package->package.count;
+                                (*sub_elements)->integer.value = expected_count;
+                        }
 
                         /* Check the type of each sub-package element */
 
@@ -917,10 +958,18 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
         char type_buffer[48];   /* Room for 5 types */
 
         /*
-         * If we get a NULL return_object here, it is a NULL package element,
-         * and this is always an error.
+         * If we get a NULL return_object here, it is a NULL package element.
+         * Since all extraneous NULL package elements were removed earlier by a
+         * call to acpi_ns_remove_null_elements, this is an unexpected NULL element.
+         * We will attempt to repair it.
          */
         if (!return_object) {
+                status = acpi_ns_repair_null_element(data, expected_btypes,
+                                                     package_index,
+                                                     return_object_ptr);
+                if (ACPI_SUCCESS(status)) {
+                        return (AE_OK); /* Repair was successful */
+                }
                 goto type_error_exit;
         }
 
@@ -972,27 +1021,25 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data,
 
         /* Is the object one of the expected types? */
 
-        if (!(return_btype & expected_btypes)) {
+        if (return_btype & expected_btypes) {
 
-                /* Type mismatch -- attempt repair of the returned object */
+                /* For reference objects, check that the reference type is correct */
 
-                status = acpi_ns_repair_object(data, expected_btypes,
-                                               package_index,
-                                               return_object_ptr);
-                if (ACPI_SUCCESS(status)) {
-                        return (AE_OK); /* Repair was successful */
+                if (return_object->common.type == ACPI_TYPE_LOCAL_REFERENCE) {
+                        status = acpi_ns_check_reference(data, return_object);
                 }
-                goto type_error_exit;
+
+                return (status);
         }
 
-        /* For reference objects, check that the reference type is correct */
+        /* Type mismatch -- attempt repair of the returned object */
 
-        if (return_object->common.type == ACPI_TYPE_LOCAL_REFERENCE) {
-                status = acpi_ns_check_reference(data, return_object);
+        status = acpi_ns_repair_object(data, expected_btypes,
+                                       package_index, return_object_ptr);
+        if (ACPI_SUCCESS(status)) {
+                return (AE_OK); /* Repair was successful */
         }
 
-        return (status);
-
       type_error_exit:
 
         /* Create a string with all expected types for this predefined object */
diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index db2b2a99c3a8..d4be37751be4 100644
--- a/drivers/acpi/acpica/nsrepair.c
+++ b/drivers/acpi/acpica/nsrepair.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2009, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
 #include <acpi/acpi.h>
 #include "accommon.h"
 #include "acnamesp.h"
+#include "acinterp.h"
 #include "acpredef.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
@@ -51,6 +52,52 @@ ACPI_MODULE_NAME("nsrepair")
 
 /*******************************************************************************
  *
+ * This module attempts to repair or convert objects returned by the
+ * predefined methods to an object type that is expected, as per the ACPI
+ * specification. The need for this code is dictated by the many machines that
+ * return incorrect types for the standard predefined methods. Performing these
+ * conversions here, in one place, eliminates the need for individual ACPI
+ * device drivers to do the same. Note: Most of these conversions are different
+ * than the internal object conversion routines used for implicit object
+ * conversion.
+ *
+ * The following conversions can be performed as necessary:
+ *
+ * Integer -> String
+ * Integer -> Buffer
+ * String  -> Integer
+ * String  -> Buffer
+ * Buffer  -> Integer
+ * Buffer  -> String
+ * Buffer  -> Package of Integers
+ * Package -> Package of one Package
+ *
+ * Additional possible repairs:
+ *
+ * Optional/unnecessary NULL package elements removed
+ * Required package elements that are NULL replaced by Integer/String/Buffer
+ * Incorrect standalone package wrapped with required outer package
+ *
+ ******************************************************************************/
+/* Local prototypes */
+static acpi_status
+acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
+                           union acpi_operand_object **return_object);
+
+static acpi_status
+acpi_ns_convert_to_string(union acpi_operand_object *original_object,
+                          union acpi_operand_object **return_object);
+
+static acpi_status
+acpi_ns_convert_to_buffer(union acpi_operand_object *original_object,
+                          union acpi_operand_object **return_object);
+
+static acpi_status
+acpi_ns_convert_to_package(union acpi_operand_object *original_object,
+                           union acpi_operand_object **return_object);
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ns_repair_object
  *
  * PARAMETERS:  Data                - Pointer to validation data structure
@@ -67,6 +114,7 @@ ACPI_MODULE_NAME("nsrepair")
  *              not expected.
  *
  ******************************************************************************/
+
 acpi_status
 acpi_ns_repair_object(struct acpi_predefined_data *data,
                       u32 expected_btypes,
@@ -75,26 +123,206 @@ acpi_ns_repair_object(struct acpi_predefined_data *data,
 {
         union acpi_operand_object *return_object = *return_object_ptr;
         union acpi_operand_object *new_object;
-        acpi_size length;
+        acpi_status status;
+
+        ACPI_FUNCTION_NAME(ns_repair_object);
+
+        /*
+         * At this point, we know that the type of the returned object was not
+         * one of the expected types for this predefined name. Attempt to
+         * repair the object by converting it to one of the expected object
+         * types for this predefined name.
+         */
+        if (expected_btypes & ACPI_RTYPE_INTEGER) {
+                status = acpi_ns_convert_to_integer(return_object, &new_object);
+                if (ACPI_SUCCESS(status)) {
+                        goto object_repaired;
+                }
+        }
+        if (expected_btypes & ACPI_RTYPE_STRING) {
+                status = acpi_ns_convert_to_string(return_object, &new_object);
+                if (ACPI_SUCCESS(status)) {
+                        goto object_repaired;
+                }
+        }
+        if (expected_btypes & ACPI_RTYPE_BUFFER) {
+                status = acpi_ns_convert_to_buffer(return_object, &new_object);
+                if (ACPI_SUCCESS(status)) {
+                        goto object_repaired;
+                }
+        }
+        if (expected_btypes & ACPI_RTYPE_PACKAGE) {
+                status = acpi_ns_convert_to_package(return_object, &new_object);
+                if (ACPI_SUCCESS(status)) {
+                        goto object_repaired;
+                }
+        }
+
+        /* We cannot repair this object */
+
+        return (AE_AML_OPERAND_TYPE);
+
+      object_repaired:
+
+        /* Object was successfully repaired */
+
+        /*
+         * If the original object is a package element, we need to:
+         * 1. Set the reference count of the new object to match the
+         *    reference count of the old object.
+         * 2. Decrement the reference count of the original object.
+         */
+        if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
+                new_object->common.reference_count =
+                    return_object->common.reference_count;
+
+                if (return_object->common.reference_count > 1) {
+                        return_object->common.reference_count--;
+                }
+
+                ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+                                  "%s: Converted %s to expected %s at index %u\n",
+                                  data->pathname,
+                                  acpi_ut_get_object_type_name(return_object),
+                                  acpi_ut_get_object_type_name(new_object),
+                                  package_index));
+        } else {
+                ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+                                  "%s: Converted %s to expected %s\n",
+                                  data->pathname,
+                                  acpi_ut_get_object_type_name(return_object),
+                                  acpi_ut_get_object_type_name(new_object)));
+        }
+
+        /* Delete old object, install the new return object */
+
+        acpi_ut_remove_reference(return_object);
+        *return_object_ptr = new_object;
+        data->flags |= ACPI_OBJECT_REPAIRED;
+        return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_convert_to_integer
+ *
+ * PARAMETERS:  original_object     - Object to be converted
+ *              return_object       - Where the new converted object is returned
+ *
+ * RETURN:      Status. AE_OK if conversion was successful.
+ *
+ * DESCRIPTION: Attempt to convert a String/Buffer object to an Integer.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
+                           union acpi_operand_object **return_object)
+{
+        union acpi_operand_object *new_object;
+        acpi_status status;
+        u64 value = 0;
+        u32 i;
+
+        switch (original_object->common.type) {
+        case ACPI_TYPE_STRING:
+
+                /* String-to-Integer conversion */
+
+                status = acpi_ut_strtoul64(original_object->string.pointer,
+                                           ACPI_ANY_BASE, &value);
+                if (ACPI_FAILURE(status)) {
+                        return (status);
+                }
+                break;
 
-        switch (return_object->common.type) {
         case ACPI_TYPE_BUFFER:
 
-                /* Does the method/object legally return a string? */
+                /* Buffer-to-Integer conversion. Max buffer size is 64 bits. */
 
-                if (!(expected_btypes & ACPI_RTYPE_STRING)) {
+                if (original_object->buffer.length > 8) {
                         return (AE_AML_OPERAND_TYPE);
                 }
 
+                /* Extract each buffer byte to create the integer */
+
+                for (i = 0; i < original_object->buffer.length; i++) {
+                        value |=
+                            ((u64) original_object->buffer.
+                             pointer[i] << (i * 8));
+                }
+                break;
+
+        default:
+                return (AE_AML_OPERAND_TYPE);
+        }
+
+        new_object = acpi_ut_create_integer_object(value);
+        if (!new_object) {
+                return (AE_NO_MEMORY);
+        }
+
+        *return_object = new_object;
+        return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_convert_to_string
+ *
+ * PARAMETERS:  original_object     - Object to be converted
+ *              return_object       - Where the new converted object is returned
+ *
+ * RETURN:      Status. AE_OK if conversion was successful.
+ *
+ * DESCRIPTION: Attempt to convert a Integer/Buffer object to a String.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_convert_to_string(union acpi_operand_object *original_object,
+                          union acpi_operand_object **return_object)
+{
+        union acpi_operand_object *new_object;
+        acpi_size length;
+        acpi_status status;
+
+        switch (original_object->common.type) {
+        case ACPI_TYPE_INTEGER:
+                /*
+                 * Integer-to-String conversion. Commonly, convert
+                 * an integer of value 0 to a NULL string. The last element of
+                 * _BIF and _BIX packages occasionally need this fix.
+                 */
+                if (original_object->integer.value == 0) {
+
+                        /* Allocate a new NULL string object */
+
+                        new_object = acpi_ut_create_string_object(0);
+                        if (!new_object) {
+                                return (AE_NO_MEMORY);
+                        }
+                } else {
+                        status =
+                            acpi_ex_convert_to_string(original_object,
+                                                      &new_object,
+                                                      ACPI_IMPLICIT_CONVERT_HEX);
+                        if (ACPI_FAILURE(status)) {
+                                return (status);
+                        }
+                }
+                break;
+
+        case ACPI_TYPE_BUFFER:
                 /*
-                 * Have a Buffer, expected a String, convert. Use a to_string
+                 * Buffer-to-String conversion. Use a to_string
                  * conversion, no transform performed on the buffer data. The best
                  * example of this is the _BIF method, where the string data from
                  * the battery is often (incorrectly) returned as buffer object(s).
                  */
                 length = 0;
-                while ((length < return_object->buffer.length) &&
-                       (return_object->buffer.pointer[length])) {
+                while ((length < original_object->buffer.length) &&
+                       (original_object->buffer.pointer[length])) {
                         length++;
                 }
 
@@ -110,44 +338,343 @@ acpi_ns_repair_object(struct acpi_predefined_data *data,
                  * terminated at Length+1.
                  */
                 ACPI_MEMCPY(new_object->string.pointer,
-                            return_object->buffer.pointer, length);
+                            original_object->buffer.pointer, length);
+                break;
+
+        default:
+                return (AE_AML_OPERAND_TYPE);
+        }
+
+        *return_object = new_object;
+        return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_convert_to_buffer
+ *
+ * PARAMETERS:  original_object     - Object to be converted
+ *              return_object       - Where the new converted object is returned
+ *
+ * RETURN:      Status. AE_OK if conversion was successful.
+ *
+ * DESCRIPTION: Attempt to convert a Integer/String/Package object to a Buffer.
+ *
+ ******************************************************************************/
 
+static acpi_status
+acpi_ns_convert_to_buffer(union acpi_operand_object *original_object,
+                          union acpi_operand_object **return_object)
+{
+        union acpi_operand_object *new_object;
+        acpi_status status;
+        union acpi_operand_object **elements;
+        u32 *dword_buffer;
+        u32 count;
+        u32 i;
+
+        switch (original_object->common.type) {
+        case ACPI_TYPE_INTEGER:
                 /*
-                 * If the original object is a package element, we need to:
-                 * 1. Set the reference count of the new object to match the
-                 *    reference count of the old object.
-                 * 2. Decrement the reference count of the original object.
+                 * Integer-to-Buffer conversion.
+                 * Convert the Integer to a packed-byte buffer. _MAT and other
+                 * objects need this sometimes, if a read has been performed on a
+                 * Field object that is less than or equal to the global integer
+                 * size (32 or 64 bits).
                  */
-                if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
-                        new_object->common.reference_count =
-                            return_object->common.reference_count;
+                status =
+                    acpi_ex_convert_to_buffer(original_object, &new_object);
+                if (ACPI_FAILURE(status)) {
+                        return (status);
+                }
+                break;
+
+        case ACPI_TYPE_STRING:
 
-                        if (return_object->common.reference_count > 1) {
-                                return_object->common.reference_count--;
+                /* String-to-Buffer conversion. Simple data copy */
+
+                new_object =
+                    acpi_ut_create_buffer_object(original_object->string.
+                                                 length);
+                if (!new_object) {
+                        return (AE_NO_MEMORY);
+                }
+
+                ACPI_MEMCPY(new_object->buffer.pointer,
+                            original_object->string.pointer,
+                            original_object->string.length);
+                break;
+
+        case ACPI_TYPE_PACKAGE:
+                /*
+                 * This case is often seen for predefined names that must return a
+                 * Buffer object with multiple DWORD integers within. For example,
+                 * _FDE and _GTM. The Package can be converted to a Buffer.
+                 */
+
+                /* All elements of the Package must be integers */
+
+                elements = original_object->package.elements;
+                count = original_object->package.count;
+
+                for (i = 0; i < count; i++) {
+                        if ((!*elements) ||
+                            ((*elements)->common.type != ACPI_TYPE_INTEGER)) {
+                                return (AE_AML_OPERAND_TYPE);
                         }
+                        elements++;
+                }
 
-                        ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
-                                              data->node_flags,
-                                              "Converted Buffer to expected String at index %u",
-                                              package_index));
-                } else {
-                        ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
-                                              data->node_flags,
-                                              "Converted Buffer to expected String"));
+                /* Create the new buffer object to replace the Package */
+
+                new_object = acpi_ut_create_buffer_object(ACPI_MUL_4(count));
+                if (!new_object) {
+                        return (AE_NO_MEMORY);
                 }
 
-                /* Delete old object, install the new return object */
+                /* Copy the package elements (integers) to the buffer as DWORDs */
 
-                acpi_ut_remove_reference(return_object);
-                *return_object_ptr = new_object;
-                data->flags |= ACPI_OBJECT_REPAIRED;
-                return (AE_OK);
+                elements = original_object->package.elements;
+                dword_buffer = ACPI_CAST_PTR(u32, new_object->buffer.pointer);
+
+                for (i = 0; i < count; i++) {
+                        *dword_buffer = (u32) (*elements)->integer.value;
+                        dword_buffer++;
+                        elements++;
+                }
+                break;
 
         default:
+                return (AE_AML_OPERAND_TYPE);
+        }
+
+        *return_object = new_object;
+        return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_convert_to_package
+ *
+ * PARAMETERS:  original_object     - Object to be converted
+ *              return_object       - Where the new converted object is returned
+ *
+ * RETURN:      Status. AE_OK if conversion was successful.
+ *
+ * DESCRIPTION: Attempt to convert a Buffer object to a Package. Each byte of
+ *              the buffer is converted to a single integer package element.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_convert_to_package(union acpi_operand_object *original_object,
+                           union acpi_operand_object **return_object)
+{
+        union acpi_operand_object *new_object;
+        union acpi_operand_object **elements;
+        u32 length;
+        u8 *buffer;
+
+        switch (original_object->common.type) {
+        case ACPI_TYPE_BUFFER:
+
+                /* Buffer-to-Package conversion */
+
+                length = original_object->buffer.length;
+                new_object = acpi_ut_create_package_object(length);
+                if (!new_object) {
+                        return (AE_NO_MEMORY);
+                }
+
+                /* Convert each buffer byte to an integer package element */
+
+                elements = new_object->package.elements;
+                buffer = original_object->buffer.pointer;
+
+                while (length--) {
+                        *elements =
+                            acpi_ut_create_integer_object((u64) *buffer);
+                        if (!*elements) {
+                                acpi_ut_remove_reference(new_object);
+                                return (AE_NO_MEMORY);
+                        }
+                        elements++;
+                        buffer++;
+                }
                 break;
+
+        default:
+                return (AE_AML_OPERAND_TYPE);
         }
 
-        return (AE_AML_OPERAND_TYPE);
+        *return_object = new_object;
+        return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_repair_null_element
+ *
+ * PARAMETERS:  Data                - Pointer to validation data structure
+ *              expected_btypes     - Object types expected
+ *              package_index       - Index of object within parent package (if
+ *                                    applicable - ACPI_NOT_PACKAGE_ELEMENT
+ *                                    otherwise)
+ *              return_object_ptr   - Pointer to the object returned from the
+ *                                    evaluation of a method or object
+ *
+ * RETURN:      Status. AE_OK if repair was successful.
+ *
+ * DESCRIPTION: Attempt to repair a NULL element of a returned Package object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ns_repair_null_element(struct acpi_predefined_data *data,
+                            u32 expected_btypes,
+                            u32 package_index,
+                            union acpi_operand_object **return_object_ptr)
+{
+        union acpi_operand_object *return_object = *return_object_ptr;
+        union acpi_operand_object *new_object;
+
+        ACPI_FUNCTION_NAME(ns_repair_null_element);
+
+        /* No repair needed if return object is non-NULL */
+
+        if (return_object) {
+                return (AE_OK);
+        }
+
+        /*
+         * Attempt to repair a NULL element of a Package object. This applies to
+         * predefined names that return a fixed-length package and each element
+         * is required. It does not apply to variable-length packages where NULL
+         * elements are allowed, especially at the end of the package.
+         */
+        if (expected_btypes & ACPI_RTYPE_INTEGER) {
+
+                /* Need an Integer - create a zero-value integer */
+
+                new_object = acpi_ut_create_integer_object(0);
+        } else if (expected_btypes & ACPI_RTYPE_STRING) {
+
+                /* Need a String - create a NULL string */
+
+                new_object = acpi_ut_create_string_object(0);
+        } else if (expected_btypes & ACPI_RTYPE_BUFFER) {
+
+                /* Need a Buffer - create a zero-length buffer */
+
+                new_object = acpi_ut_create_buffer_object(0);
+        } else {
+                /* Error for all other expected types */
+
+                return (AE_AML_OPERAND_TYPE);
+        }
+
+        if (!new_object) {
+                return (AE_NO_MEMORY);
+        }
+
+        /* Set the reference count according to the parent Package object */
+
+        new_object->common.reference_count =
+            data->parent_package->common.reference_count;
+
+        ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+                          "%s: Converted NULL package element to expected %s at index %u\n",
+                          data->pathname,
+                          acpi_ut_get_object_type_name(new_object),
+                          package_index));
+
+        *return_object_ptr = new_object;
+        data->flags |= ACPI_OBJECT_REPAIRED;
+        return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_remove_null_elements
+ *
+ * PARAMETERS:  Data                - Pointer to validation data structure
+ *              package_type        - An acpi_return_package_types value
+ *              obj_desc            - A Package object
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Remove all NULL package elements from packages that contain
+ *              a variable number of sub-packages. For these types of
+ *              packages, NULL elements can be safely removed.
+ *
+ *****************************************************************************/
+
+void
+acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
+                             u8 package_type,
+                             union acpi_operand_object *obj_desc)
+{
+        union acpi_operand_object **source;
+        union acpi_operand_object **dest;
+        u32 count;
+        u32 new_count;
+        u32 i;
+
+        ACPI_FUNCTION_NAME(ns_remove_null_elements);
+
+        /*
+         * PTYPE1 packages contain no subpackages.
+         * PTYPE2 packages contain a variable number of sub-packages. We can
+         * safely remove all NULL elements from the PTYPE2 packages.
+         */
+        switch (package_type) {
+        case ACPI_PTYPE1_FIXED:
+        case ACPI_PTYPE1_VAR:
+        case ACPI_PTYPE1_OPTION:
+                return;
+
+        case ACPI_PTYPE2:
+        case ACPI_PTYPE2_COUNT:
+        case ACPI_PTYPE2_PKG_COUNT:
+        case ACPI_PTYPE2_FIXED:
+        case ACPI_PTYPE2_MIN:
+        case ACPI_PTYPE2_REV_FIXED:
+                break;
+
+        default:
+                return;
+        }
+
+        count = obj_desc->package.count;
+        new_count = count;
+
+        source = obj_desc->package.elements;
+        dest = source;
+
+        /* Examine all elements of the package object, remove nulls */
+
+        for (i = 0; i < count; i++) {
+                if (!*source) {
+                        new_count--;
+                } else {
+                        *dest = *source;
+                        dest++;
+                }
+                source++;
+        }
+
+        /* Update parent package if any null elements were removed */
+
+        if (new_count < count) {
+                ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+                                  "%s: Found and removed %u NULL elements\n",
+                                  data->pathname, (count - new_count)));
+
+                /* NULL terminate list and update the package count */
+
+                *dest = NULL;
+                obj_desc->package.count = new_count;
+        }
 }
 
 /*******************************************************************************
@@ -180,6 +707,8 @@ acpi_ns_repair_package_list(struct acpi_predefined_data *data,
 {
         union acpi_operand_object *pkg_obj_desc;
 
+        ACPI_FUNCTION_NAME(ns_repair_package_list);
+
         /*
          * Create the new outer package and populate it. The new package will
          * have a single element, the lone subpackage.
@@ -196,8 +725,9 @@ acpi_ns_repair_package_list(struct acpi_predefined_data *data,
         *obj_desc_ptr = pkg_obj_desc;
         data->flags |= ACPI_OBJECT_REPAIRED;
 
-        ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
-                              "Incorrectly formed Package, attempting repair"));
+        ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+                          "%s: Repaired incorrectly formed Package\n",
+                          data->pathname));
 
         return (AE_OK);
 }
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
new file mode 100644
index 000000000000..61bd0f6755d2
--- /dev/null
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -0,0 +1,567 @@
+/******************************************************************************
+ *
+ * Module Name: nsrepair2 - Repair for objects returned by specific
+ *                          predefined methods
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2010, 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 "accommon.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_NAMESPACE
+ACPI_MODULE_NAME("nsrepair2")
+
+/*
+ * Information structure and handler for ACPI predefined names that can
+ * be repaired on a per-name basis.
+ */
+typedef
+acpi_status(*acpi_repair_function) (struct acpi_predefined_data *data,
+                                    union acpi_operand_object **return_object_ptr);
+
+typedef struct acpi_repair_info {
+        char name[ACPI_NAME_SIZE];
+        acpi_repair_function repair_function;
+
+} acpi_repair_info;
+
+/* Local prototypes */
+
+static const struct acpi_repair_info *acpi_ns_match_repairable_name(struct
+                                                                    acpi_namespace_node
+                                                                    *node);
+
+static acpi_status
+acpi_ns_repair_ALR(struct acpi_predefined_data *data,
+                   union acpi_operand_object **return_object_ptr);
+
+static acpi_status
+acpi_ns_repair_FDE(struct acpi_predefined_data *data,
+                   union acpi_operand_object **return_object_ptr);
+
+static acpi_status
+acpi_ns_repair_PSS(struct acpi_predefined_data *data,
+                   union acpi_operand_object **return_object_ptr);
+
+static acpi_status
+acpi_ns_repair_TSS(struct acpi_predefined_data *data,
+                   union acpi_operand_object **return_object_ptr);
+
+static acpi_status
+acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
+                          union acpi_operand_object *return_object,
+                          u32 expected_count,
+                          u32 sort_index,
+                          u8 sort_direction, char *sort_key_name);
+
+static void
+acpi_ns_sort_list(union acpi_operand_object **elements,
+                  u32 count, u32 index, u8 sort_direction);
+
+/* Values for sort_direction above */
+
+#define ACPI_SORT_ASCENDING     0
+#define ACPI_SORT_DESCENDING    1
+
+/*
+ * This table contains the names of the predefined methods for which we can
+ * perform more complex repairs.
+ *
+ * As necessary:
+ *
+ * _ALR: Sort the list ascending by ambient_illuminance
+ * _FDE: Convert Buffer of BYTEs to a Buffer of DWORDs
+ * _GTM: Convert Buffer of BYTEs to a Buffer of DWORDs
+ * _PSS: Sort the list descending by Power
+ * _TSS: Sort the list descending by Power
+ */
+static const struct acpi_repair_info acpi_ns_repairable_names[] = {
+        {"_ALR", acpi_ns_repair_ALR},
+        {"_FDE", acpi_ns_repair_FDE},
+        {"_GTM", acpi_ns_repair_FDE},   /* _GTM has same repair as _FDE */
+        {"_PSS", acpi_ns_repair_PSS},
+        {"_TSS", acpi_ns_repair_TSS},
+        {{0, 0, 0, 0}, NULL}    /* Table terminator */
+};
+
+#define ACPI_FDE_FIELD_COUNT        5
+#define ACPI_FDE_BYTE_BUFFER_SIZE   5
+#define ACPI_FDE_DWORD_BUFFER_SIZE  (ACPI_FDE_FIELD_COUNT * sizeof (u32))
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_complex_repairs
+ *
+ * PARAMETERS:  Data                - Pointer to validation data structure
+ *              Node                - Namespace node for the method/object
+ *              validate_status     - Original status of earlier validation
+ *              return_object_ptr   - Pointer to the object returned from the
+ *                                    evaluation of a method or object
+ *
+ * RETURN:      Status. AE_OK if repair was successful. If name is not
+ *              matched, validate_status is returned.
+ *
+ * DESCRIPTION: Attempt to repair/convert a return object of a type that was
+ *              not expected.
+ *
+ *****************************************************************************/
+
+acpi_status
+acpi_ns_complex_repairs(struct acpi_predefined_data *data,
+                        struct acpi_namespace_node *node,
+                        acpi_status validate_status,
+                        union acpi_operand_object **return_object_ptr)
+{
+        const struct acpi_repair_info *predefined;
+        acpi_status status;
+
+        /* Check if this name is in the list of repairable names */
+
+        predefined = acpi_ns_match_repairable_name(node);
+        if (!predefined) {
+                return (validate_status);
+        }
+
+        status = predefined->repair_function(data, return_object_ptr);
+        return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_match_repairable_name
+ *
+ * PARAMETERS:  Node                - Namespace node for the method/object
+ *
+ * RETURN:      Pointer to entry in repair table. NULL indicates not found.
+ *
+ * DESCRIPTION: Check an object name against the repairable object list.
+ *
+ *****************************************************************************/
+
+static const struct acpi_repair_info *acpi_ns_match_repairable_name(struct
+                                                                    acpi_namespace_node
+                                                                    *node)
+{
+        const struct acpi_repair_info *this_name;
+
+        /* Search info table for a repairable predefined method/object name */
+
+        this_name = acpi_ns_repairable_names;
+        while (this_name->repair_function) {
+                if (ACPI_COMPARE_NAME(node->name.ascii, this_name->name)) {
+                        return (this_name);
+                }
+                this_name++;
+        }
+
+        return (NULL);          /* Not found */
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_repair_ALR
+ *
+ * PARAMETERS:  Data                - Pointer to validation data structure
+ *              return_object_ptr   - Pointer to the object returned from the
+ *                                    evaluation of a method or object
+ *
+ * RETURN:      Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _ALR object. If necessary, sort the object list
+ *              ascending by the ambient illuminance values.
+ *
+ *****************************************************************************/
+
+static acpi_status
+acpi_ns_repair_ALR(struct acpi_predefined_data *data,
+                   union acpi_operand_object **return_object_ptr)
+{
+        union acpi_operand_object *return_object = *return_object_ptr;
+        acpi_status status;
+
+        status = acpi_ns_check_sorted_list(data, return_object, 2, 1,
+                                           ACPI_SORT_ASCENDING,
+                                           "AmbientIlluminance");
+
+        return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_repair_FDE
+ *
+ * PARAMETERS:  Data                - Pointer to validation data structure
+ *              return_object_ptr   - Pointer to the object returned from the
+ *                                    evaluation of a method or object
+ *
+ * RETURN:      Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _FDE and _GTM objects. The expected return
+ *              value is a Buffer of 5 DWORDs. This function repairs a common
+ *              problem where the return value is a Buffer of BYTEs, not
+ *              DWORDs.
+ *
+ *****************************************************************************/
+
+static acpi_status
+acpi_ns_repair_FDE(struct acpi_predefined_data *data,
+                   union acpi_operand_object **return_object_ptr)
+{
+        union acpi_operand_object *return_object = *return_object_ptr;
+        union acpi_operand_object *buffer_object;
+        u8 *byte_buffer;
+        u32 *dword_buffer;
+        u32 i;
+
+        ACPI_FUNCTION_NAME(ns_repair_FDE);
+
+        switch (return_object->common.type) {
+        case ACPI_TYPE_BUFFER:
+
+                /* This is the expected type. Length should be (at least) 5 DWORDs */
+
+                if (return_object->buffer.length >= ACPI_FDE_DWORD_BUFFER_SIZE) {
+                        return (AE_OK);
+                }
+
+                /* We can only repair if we have exactly 5 BYTEs */
+
+                if (return_object->buffer.length != ACPI_FDE_BYTE_BUFFER_SIZE) {
+                        ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
+                                              data->node_flags,
+                                              "Incorrect return buffer length %u, expected %u",
+                                              return_object->buffer.length,
+                                              ACPI_FDE_DWORD_BUFFER_SIZE));
+
+                        return (AE_AML_OPERAND_TYPE);
+                }
+
+                /* Create the new (larger) buffer object */
+
+                buffer_object =
+                    acpi_ut_create_buffer_object(ACPI_FDE_DWORD_BUFFER_SIZE);
+                if (!buffer_object) {
+                        return (AE_NO_MEMORY);
+                }
+
+                /* Expand each byte to a DWORD */
+
+                byte_buffer = return_object->buffer.pointer;
+                dword_buffer =
+                    ACPI_CAST_PTR(u32, buffer_object->buffer.pointer);
+
+                for (i = 0; i < ACPI_FDE_FIELD_COUNT; i++) {
+                        *dword_buffer = (u32) *byte_buffer;
+                        dword_buffer++;
+                        byte_buffer++;
+                }
+
+                ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+                                  "%s Expanded Byte Buffer to expected DWord Buffer\n",
+                                  data->pathname));
+                break;
+
+        default:
+                return (AE_AML_OPERAND_TYPE);
+        }
+
+        /* Delete the original return object, return the new buffer object */
+
+        acpi_ut_remove_reference(return_object);
+        *return_object_ptr = buffer_object;
+
+        data->flags |= ACPI_OBJECT_REPAIRED;
+        return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_repair_TSS
+ *
+ * PARAMETERS:  Data                - Pointer to validation data structure
+ *              return_object_ptr   - Pointer to the object returned from the
+ *                                    evaluation of a method or object
+ *
+ * RETURN:      Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _TSS object. If necessary, sort the object list
+ *              descending by the power dissipation values.
+ *
+ *****************************************************************************/
+
+static acpi_status
+acpi_ns_repair_TSS(struct acpi_predefined_data *data,
+                   union acpi_operand_object **return_object_ptr)
+{
+        union acpi_operand_object *return_object = *return_object_ptr;
+        acpi_status status;
+
+        status = acpi_ns_check_sorted_list(data, return_object, 5, 1,
+                                           ACPI_SORT_DESCENDING,
+                                           "PowerDissipation");
+
+        return (status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_repair_PSS
+ *
+ * PARAMETERS:  Data                - Pointer to validation data structure
+ *              return_object_ptr   - Pointer to the object returned from the
+ *                                    evaluation of a method or object
+ *
+ * RETURN:      Status. AE_OK if object is OK or was repaired successfully
+ *
+ * DESCRIPTION: Repair for the _PSS object. If necessary, sort the object list
+ *              by the CPU frequencies. Check that the power dissipation values
+ *              are all proportional to CPU frequency (i.e., sorting by
+ *              frequency should be the same as sorting by power.)
+ *
+ *****************************************************************************/
+
+static acpi_status
+acpi_ns_repair_PSS(struct acpi_predefined_data *data,
+                   union acpi_operand_object **return_object_ptr)
+{
+        union acpi_operand_object *return_object = *return_object_ptr;
+        union acpi_operand_object **outer_elements;
+        u32 outer_element_count;
+        union acpi_operand_object **elements;
+        union acpi_operand_object *obj_desc;
+        u32 previous_value;
+        acpi_status status;
+        u32 i;
+
+        /*
+         * Entries (sub-packages) in the _PSS Package must be sorted by power
+         * dissipation, in descending order. If it appears that the list is
+         * incorrectly sorted, sort it. We sort by cpu_frequency, since this
+         * should be proportional to the power.
+         */
+        status = acpi_ns_check_sorted_list(data, return_object, 6, 0,
+                                           ACPI_SORT_DESCENDING,
+                                           "CpuFrequency");
+        if (ACPI_FAILURE(status)) {
+                return (status);
+        }
+
+        /*
+         * We now know the list is correctly sorted by CPU frequency. Check if
+         * the power dissipation values are proportional.
+         */
+        previous_value = ACPI_UINT32_MAX;
+        outer_elements = return_object->package.elements;
+        outer_element_count = return_object->package.count;
+
+        for (i = 0; i < outer_element_count; i++) {
+                elements = (*outer_elements)->package.elements;
+                obj_desc = elements[1]; /* Index1 = power_dissipation */
+
+                if ((u32) obj_desc->integer.value > previous_value) {
+                        ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
+                                              data->node_flags,
+                                              "SubPackage[%u,%u] - suspicious power dissipation values",
+                                              i - 1, i));
+                }
+
+                previous_value = (u32) obj_desc->integer.value;
+                outer_elements++;
+        }
+
+        return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_check_sorted_list
+ *
+ * PARAMETERS:  Data                - Pointer to validation data structure
+ *              return_object       - Pointer to the top-level returned object
+ *              expected_count      - Minimum length of each sub-package
+ *              sort_index          - Sub-package entry to sort on
+ *              sort_direction      - Ascending or descending
+ *              sort_key_name       - Name of the sort_index field
+ *
+ * RETURN:      Status. AE_OK if the list is valid and is sorted correctly or
+ *              has been repaired by sorting the list.
+ *
+ * DESCRIPTION: Check if the package list is valid and sorted correctly by the
+ *              sort_index. If not, then sort the list.
+ *
+ *****************************************************************************/
+
+static acpi_status
+acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
+                          union acpi_operand_object *return_object,
+                          u32 expected_count,
+                          u32 sort_index,
+                          u8 sort_direction, char *sort_key_name)
+{
+        u32 outer_element_count;
+        union acpi_operand_object **outer_elements;
+        union acpi_operand_object **elements;
+        union acpi_operand_object *obj_desc;
+        u32 i;
+        u32 previous_value;
+
+        ACPI_FUNCTION_NAME(ns_check_sorted_list);
+
+        /* The top-level object must be a package */
+
+        if (return_object->common.type != ACPI_TYPE_PACKAGE) {
+                return (AE_AML_OPERAND_TYPE);
+        }
+
+        /*
+         * NOTE: assumes list of sub-packages contains no NULL elements.
+         * Any NULL elements should have been removed by earlier call
+         * to acpi_ns_remove_null_elements.
+         */
+        outer_elements = return_object->package.elements;
+        outer_element_count = return_object->package.count;
+        if (!outer_element_count) {
+                return (AE_AML_PACKAGE_LIMIT);
+        }
+
+        previous_value = 0;
+        if (sort_direction == ACPI_SORT_DESCENDING) {
+                previous_value = ACPI_UINT32_MAX;
+        }
+
+        /* Examine each subpackage */
+
+        for (i = 0; i < outer_element_count; i++) {
+
+                /* Each element of the top-level package must also be a package */
+
+                if ((*outer_elements)->common.type != ACPI_TYPE_PACKAGE) {
+                        return (AE_AML_OPERAND_TYPE);
+                }
+
+                /* Each sub-package must have the minimum length */
+
+                if ((*outer_elements)->package.count < expected_count) {
+                        return (AE_AML_PACKAGE_LIMIT);
+                }
+
+                elements = (*outer_elements)->package.elements;
+                obj_desc = elements[sort_index];
+
+                if (obj_desc->common.type != ACPI_TYPE_INTEGER) {
+                        return (AE_AML_OPERAND_TYPE);
+                }
+
+                /*
+                 * The list must be sorted in the specified order. If we detect a
+                 * discrepancy, sort the entire list.
+                 */
+                if (((sort_direction == ACPI_SORT_ASCENDING) &&
+                     (obj_desc->integer.value < previous_value)) ||
+                    ((sort_direction == ACPI_SORT_DESCENDING) &&
+                     (obj_desc->integer.value > previous_value))) {
+                        acpi_ns_sort_list(return_object->package.elements,
+                                          outer_element_count, sort_index,
+                                          sort_direction);
+
+                        data->flags |= ACPI_OBJECT_REPAIRED;
+
+                        ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+                                          "%s: Repaired unsorted list - now sorted by %s\n",
+                                          data->pathname, sort_key_name));
+                        return (AE_OK);
+                }
+
+                previous_value = (u32) obj_desc->integer.value;
+                outer_elements++;
+        }
+
+        return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_sort_list
+ *
+ * PARAMETERS:  Elements            - Package object element list
+ *              Count               - Element count for above
+ *              Index               - Sort by which package element
+ *              sort_direction      - Ascending or Descending sort
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Sort the objects that are in a package element list.
+ *
+ * NOTE: Assumes that all NULL elements have been removed from the package,
+ *       and that all elements have been verified to be of type Integer.
+ *
+ *****************************************************************************/
+
+static void
+acpi_ns_sort_list(union acpi_operand_object **elements,
+                  u32 count, u32 index, u8 sort_direction)
+{
+        union acpi_operand_object *obj_desc1;
+        union acpi_operand_object *obj_desc2;
+        union acpi_operand_object *temp_obj;
+        u32 i;
+        u32 j;
+
+        /* Simple bubble sort */
+
+        for (i = 1; i < count; i++) {
+                for (j = (count - 1); j >= i; j--) {
+                        obj_desc1 = elements[j - 1]->package.elements[index];
+                        obj_desc2 = elements[j]->package.elements[index];
+
+                        if (((sort_direction == ACPI_SORT_ASCENDING) &&
+                             (obj_desc1->integer.value >
+                              obj_desc2->integer.value))
+                            || ((sort_direction == ACPI_SORT_DESCENDING)
+                                && (obj_desc1->integer.value <
+                                    obj_desc2->integer.value))) {
+                                temp_obj = elements[j - 1];
+                                elements[j - 1] = elements[j];
+                                elements[j] = temp_obj;
+                        }
+                }
+        }
+}
diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c
index 7e865639a928..08f8b3f5ccaa 100644
--- a/drivers/acpi/acpica/nssearch.c
+++ b/drivers/acpi/acpica/nssearch.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index ea55ab4f9849..24d05a87a2a3 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -671,24 +671,25 @@ acpi_ns_externalize_name(u32 internal_name_length,
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ns_map_handle_to_node
+ * FUNCTION:    acpi_ns_validate_handle
  *
- * PARAMETERS:  Handle          - Handle to be converted to an Node
+ * PARAMETERS:  Handle          - Handle to be validated and typecast to a
+ *                                namespace node.
  *
- * RETURN:      A Name table entry pointer
+ * RETURN:      A pointer to a namespace node
  *
- * DESCRIPTION: Convert a namespace handle to a real Node
+ * DESCRIPTION: Convert a namespace handle to a namespace node. Handles special
+ *              cases for the root node.
  *
- * Note: Real integer handles would allow for more verification
+ * NOTE: Real integer handles would allow for more verification
  *       and keep all pointers within this subsystem - however this introduces
- *       more (and perhaps unnecessary) overhead.
- *
- * The current implemenation is basically a placeholder until such time comes
- * that it is needed.
+ *       more overhead and has not been necessary to this point. Drivers
+ *       holding handles are typically notified before a node becomes invalid
+ *       due to a table unload.
  *
  ******************************************************************************/
 
-struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle)
+struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle)
 {
 
         ACPI_FUNCTION_ENTRY();
@@ -710,42 +711,6 @@ struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ns_convert_entry_to_handle
- *
- * PARAMETERS:  Node          - Node to be converted to a Handle
- *
- * RETURN:      A user handle
- *
- * DESCRIPTION: Convert a real Node to a namespace handle
- *
- ******************************************************************************/
-
-acpi_handle acpi_ns_convert_entry_to_handle(struct acpi_namespace_node *node)
-{
-
-        /*
-         * Simple implementation for now;
-         */
-        return ((acpi_handle) node);
-
-/* Example future implementation ---------------------
-
-        if (!Node)
-        {
-                return (NULL);
-        }
-
-        if (Node == acpi_gbl_root_node)
-        {
-                return (ACPI_ROOT_OBJECT);
-        }
-
-        return ((acpi_handle) Node);
-------------------------------------------------------*/
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ns_terminate
  *
  * PARAMETERS:  none
diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c
index 35539df5c75d..00e79fb26029 100644
--- a/drivers/acpi/acpica/nswalk.c
+++ b/drivers/acpi/acpica/nswalk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -165,24 +165,27 @@ struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
  *              max_depth           - Depth to which search is to reach
  *              Flags               - Whether to unlock the NS before invoking
  *                                    the callback routine
- *              user_function       - Called when an object of "Type" is found
- *              Context             - Passed to user function
- *              return_value        - from the user_function if terminated early.
- *                                    Otherwise, returns NULL.
+ *              pre_order_visit     - Called during tree pre-order visit
+ *                                    when an object of "Type" is found
+ *              post_order_visit    - Called during tree post-order visit
+ *                                    when an object of "Type" is found
+ *              Context             - Passed to user function(s) above
+ *              return_value        - from the user_function if terminated
+ *                                    early. Otherwise, returns NULL.
  * RETURNS:     Status
  *
  * DESCRIPTION: Performs a modified depth-first walk of the namespace tree,
  *              starting (and ending) at the node specified by start_handle.
- *              The user_function is called whenever a node that matches
- *              the type parameter is found.  If the user function returns
+ *              The callback function is called whenever a node that matches
+ *              the type parameter is found. If the callback function returns
  *              a non-zero value, the search is terminated immediately and
  *              this value is returned to the caller.
  *
  *              The point of this procedure is to provide a generic namespace
  *              walk routine that can be called from multiple places to
- *              provide multiple services;  the User Function can be tailored
- *              to each task, whether it is a print function, a compare
- *              function, etc.
+ *              provide multiple services; the callback function(s) can be
+ *              tailored to each task, whether it is a print function,
+ *              a compare function, etc.
  *
  ******************************************************************************/
 
@@ -191,7 +194,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
                        acpi_handle start_node,
                        u32 max_depth,
                        u32 flags,
-                       acpi_walk_callback user_function,
+                       acpi_walk_callback pre_order_visit,
+                       acpi_walk_callback post_order_visit,
                        void *context, void **return_value)
 {
         acpi_status status;
@@ -200,6 +204,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
         struct acpi_namespace_node *parent_node;
         acpi_object_type child_type;
         u32 level;
+        u8 node_previously_visited = FALSE;
 
         ACPI_FUNCTION_TRACE(ns_walk_namespace);
 
@@ -212,7 +217,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
         /* Null child means "get first node" */
 
         parent_node = start_node;
-        child_node = NULL;
+        child_node = acpi_ns_get_next_node(parent_node, NULL);
         child_type = ACPI_TYPE_ANY;
         level = 1;
 
@@ -221,102 +226,129 @@ acpi_ns_walk_namespace(acpi_object_type type,
          * started. When Level is zero, the loop is done because we have
          * bubbled up to (and passed) the original parent handle (start_entry)
          */
-        while (level > 0) {
+        while (level > 0 && child_node) {
+                status = AE_OK;
 
-                /* Get the next node in this scope.  Null if not found */
+                /* Found next child, get the type if we are not searching for ANY */
 
-                status = AE_OK;
-                child_node = acpi_ns_get_next_node(parent_node, child_node);
-                if (child_node) {
+                if (type != ACPI_TYPE_ANY) {
+                        child_type = child_node->type;
+                }
 
-                        /* Found next child, get the type if we are not searching for ANY */
+                /*
+                 * Ignore all temporary namespace nodes (created during control
+                 * method execution) unless told otherwise. These temporary nodes
+                 * can cause a race condition because they can be deleted during
+                 * the execution of the user function (if the namespace is
+                 * unlocked before invocation of the user function.) Only the
+                 * debugger namespace dump will examine the temporary nodes.
+                 */
+                if ((child_node->flags & ANOBJ_TEMPORARY) &&
+                    !(flags & ACPI_NS_WALK_TEMP_NODES)) {
+                        status = AE_CTRL_DEPTH;
+                }
 
-                        if (type != ACPI_TYPE_ANY) {
-                                child_type = child_node->type;
-                        }
+                /* Type must match requested type */
 
+                else if (child_type == type) {
                         /*
-                         * Ignore all temporary namespace nodes (created during control
-                         * method execution) unless told otherwise. These temporary nodes
-                         * can cause a race condition because they can be deleted during
-                         * the execution of the user function (if the namespace is
-                         * unlocked before invocation of the user function.) Only the
-                         * debugger namespace dump will examine the temporary nodes.
+                         * Found a matching node, invoke the user callback function.
+                         * Unlock the namespace if flag is set.
                          */
-                        if ((child_node->flags & ANOBJ_TEMPORARY) &&
-                            !(flags & ACPI_NS_WALK_TEMP_NODES)) {
-                                status = AE_CTRL_DEPTH;
+                        if (flags & ACPI_NS_WALK_UNLOCK) {
+                                mutex_status =
+                                    acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+                                if (ACPI_FAILURE(mutex_status)) {
+                                        return_ACPI_STATUS(mutex_status);
+                                }
                         }
 
-                        /* Type must match requested type */
-
-                        else if (child_type == type) {
-                                /*
-                                 * Found a matching node, invoke the user callback function.
-                                 * Unlock the namespace if flag is set.
-                                 */
-                                if (flags & ACPI_NS_WALK_UNLOCK) {
-                                        mutex_status =
-                                            acpi_ut_release_mutex
-                                            (ACPI_MTX_NAMESPACE);
-                                        if (ACPI_FAILURE(mutex_status)) {
-                                                return_ACPI_STATUS
-                                                    (mutex_status);
-                                        }
+                        /*
+                         * Invoke the user function, either pre-order or post-order
+                         * or both.
+                         */
+                        if (!node_previously_visited) {
+                                if (pre_order_visit) {
+                                        status =
+                                            pre_order_visit(child_node, level,
+                                                            context,
+                                                            return_value);
                                 }
+                        } else {
+                                if (post_order_visit) {
+                                        status =
+                                            post_order_visit(child_node, level,
+                                                             context,
+                                                             return_value);
+                                }
+                        }
 
-                                status =
-                                    user_function(child_node, level, context,
-                                                  return_value);
-
-                                if (flags & ACPI_NS_WALK_UNLOCK) {
-                                        mutex_status =
-                                            acpi_ut_acquire_mutex
-                                            (ACPI_MTX_NAMESPACE);
-                                        if (ACPI_FAILURE(mutex_status)) {
-                                                return_ACPI_STATUS
-                                                    (mutex_status);
-                                        }
+                        if (flags & ACPI_NS_WALK_UNLOCK) {
+                                mutex_status =
+                                    acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+                                if (ACPI_FAILURE(mutex_status)) {
+                                        return_ACPI_STATUS(mutex_status);
                                 }
+                        }
 
-                                switch (status) {
-                                case AE_OK:
-                                case AE_CTRL_DEPTH:
+                        switch (status) {
+                        case AE_OK:
+                        case AE_CTRL_DEPTH:
 
-                                        /* Just keep going */
-                                        break;
+                                /* Just keep going */
+                                break;
 
-                                case AE_CTRL_TERMINATE:
+                        case AE_CTRL_TERMINATE:
 
-                                        /* Exit now, with OK status */
+                                /* Exit now, with OK status */
 
-                                        return_ACPI_STATUS(AE_OK);
+                                return_ACPI_STATUS(AE_OK);
 
-                                default:
+                        default:
 
-                                        /* All others are valid exceptions */
+                                /* All others are valid exceptions */
 
-                                        return_ACPI_STATUS(status);
-                                }
+                                return_ACPI_STATUS(status);
+                        }
+                }
+
+                /*
+                 * Depth first search: Attempt to go down another level in the
+                 * namespace if we are allowed to.  Don't go any further if we have
+                 * reached the caller specified maximum depth or if the user
+                 * function has specified that the maximum depth has been reached.
+                 */
+                if (!node_previously_visited &&
+                    (level < max_depth) && (status != AE_CTRL_DEPTH)) {
+                        if (child_node->child) {
+
+                                /* There is at least one child of this node, visit it */
+
+                                level++;
+                                parent_node = child_node;
+                                child_node =
+                                    acpi_ns_get_next_node(parent_node, NULL);
+                                continue;
                         }
+                }
 
-                        /*
-                         * Depth first search: Attempt to go down another level in the
-                         * namespace if we are allowed to.  Don't go any further if we have
-                         * reached the caller specified maximum depth or if the user
-                         * function has specified that the maximum depth has been reached.
-                         */
-                        if ((level < max_depth) && (status != AE_CTRL_DEPTH)) {
-                                if (child_node->child) {
+                /* No more children, re-visit this node */
 
-                                        /* There is at least one child of this node, visit it */
+                if (!node_previously_visited) {
+                        node_previously_visited = TRUE;
+                        continue;
+                }
 
-                                        level++;
-                                        parent_node = child_node;
-                                        child_node = NULL;
-                                }
-                        }
-                } else {
+                /* No more children, visit peers */
+
+                child_node = acpi_ns_get_next_node(parent_node, child_node);
+                if (child_node) {
+                        node_previously_visited = FALSE;
+                }
+
+                /* No peers, re-visit parent */
+
+                else {
                         /*
                          * No more children of this node (acpi_ns_get_next_node failed), go
                          * back upwards in the namespace tree to the node's parent.
@@ -324,6 +356,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
                         level--;
                         child_node = parent_node;
                         parent_node = acpi_ns_get_parent_node(parent_node);
+
+                        node_previously_visited = TRUE;
                 }
         }
 
diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c
index 4929dbdbc8f0..ebef8a7fd707 100644
--- a/drivers/acpi/acpica/nsxfeval.c
+++ b/drivers/acpi/acpica/nsxfeval.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -190,7 +190,7 @@ acpi_evaluate_object(acpi_handle handle,
 
         /* Convert and validate the device handle */
 
-        info->prefix_node = acpi_ns_map_handle_to_node(handle);
+        info->prefix_node = acpi_ns_validate_handle(handle);
         if (!info->prefix_node) {
                 status = AE_BAD_PARAMETER;
                 goto cleanup;
@@ -433,8 +433,11 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info)
  * PARAMETERS:  Type                - acpi_object_type to search for
  *              start_object        - Handle in namespace where search begins
  *              max_depth           - Depth to which search is to reach
- *              user_function       - Called when an object of "Type" is found
- *              Context             - Passed to user function
+ *              pre_order_visit     - Called during tree pre-order visit
+ *                                    when an object of "Type" is found
+ *              post_order_visit    - Called during tree post-order visit
+ *                                    when an object of "Type" is found
+ *              Context             - Passed to user function(s) above
  *              return_value        - Location where return value of
  *                                    user_function is put if terminated early
  *
@@ -443,16 +446,16 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info)
  *
  * DESCRIPTION: Performs a modified depth-first walk of the namespace tree,
  *              starting (and ending) at the object specified by start_handle.
- *              The user_function is called whenever an object that matches
- *              the type parameter is found.  If the user function returns
+ *              The callback function is called whenever an object that matches
+ *              the type parameter is found. If the callback function returns
  *              a non-zero value, the search is terminated immediately and this
  *              value is returned to the caller.
  *
  *              The point of this procedure is to provide a generic namespace
  *              walk routine that can be called from multiple places to
- *              provide multiple services;  the User Function can be tailored
- *              to each task, whether it is a print function, a compare
- *              function, etc.
+ *              provide multiple services; the callback function(s) can be
+ *              tailored to each task, whether it is a print function,
+ *              a compare function, etc.
  *
  ******************************************************************************/
 
@@ -460,7 +463,8 @@ acpi_status
 acpi_walk_namespace(acpi_object_type type,
                     acpi_handle start_object,
                     u32 max_depth,
-                    acpi_walk_callback user_function,
+                    acpi_walk_callback pre_order_visit,
+                    acpi_walk_callback post_order_visit,
                     void *context, void **return_value)
 {
         acpi_status status;
@@ -469,7 +473,8 @@ acpi_walk_namespace(acpi_object_type type,
 
         /* Parameter validation */
 
-        if ((type > ACPI_TYPE_LOCAL_MAX) || (!max_depth) || (!user_function)) {
+        if ((type > ACPI_TYPE_LOCAL_MAX) ||
+            (!max_depth) || (!pre_order_visit && !post_order_visit)) {
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
@@ -501,8 +506,9 @@ acpi_walk_namespace(acpi_object_type type,
         }
 
         status = acpi_ns_walk_namespace(type, start_object, max_depth,
-                                        ACPI_NS_WALK_UNLOCK, user_function,
-                                        context, return_value);
+                                        ACPI_NS_WALK_UNLOCK, pre_order_visit,
+                                        post_order_visit, context,
+                                        return_value);
 
         (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 
@@ -546,7 +552,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
                 return (status);
         }
 
-        node = acpi_ns_map_handle_to_node(obj_handle);
+        node = acpi_ns_validate_handle(obj_handle);
         status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
         if (ACPI_FAILURE(status)) {
                 return (status);
@@ -556,25 +562,20 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
                 return (AE_BAD_PARAMETER);
         }
 
-        /* Run _STA to determine if device is present */
-
-        status = acpi_ut_execute_STA(node, &flags);
-        if (ACPI_FAILURE(status)) {
-                return (AE_CTRL_DEPTH);
-        }
-
-        if (!(flags & ACPI_STA_DEVICE_PRESENT) &&
-            !(flags & ACPI_STA_DEVICE_FUNCTIONING)) {
-                /*
-                 * Don't examine the children of the device only when the
-                 * device is neither present nor functional. See ACPI spec,
-                 * description of _STA for more information.
-                 */
-                return (AE_CTRL_DEPTH);
-        }
-
-        /* Filter based on device HID & CID */
-
+        /*
+         * First, filter based on the device HID and CID.
+         *
+         * 01/2010: For this case where a specific HID is requested, we don't
+         * want to run _STA until we have an actual HID match. Thus, we will
+         * not unnecessarily execute _STA on devices for which the caller
+         * doesn't care about. Previously, _STA was executed unconditionally
+         * on all devices found here.
+         *
+         * A side-effect of this change is that now we will continue to search
+         * for a matching HID even under device trees where the parent device
+         * would have returned a _STA that indicates it is not present or
+         * not functioning (thus aborting the search on that branch).
+         */
         if (info->hid != NULL) {
                 status = acpi_ut_execute_HID(node, &hid);
                 if (status == AE_NOT_FOUND) {
@@ -614,6 +615,25 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
                 }
         }
 
+        /* Run _STA to determine if device is present */
+
+        status = acpi_ut_execute_STA(node, &flags);
+        if (ACPI_FAILURE(status)) {
+                return (AE_CTRL_DEPTH);
+        }
+
+        if (!(flags & ACPI_STA_DEVICE_PRESENT) &&
+            !(flags & ACPI_STA_DEVICE_FUNCTIONING)) {
+                /*
+                 * Don't examine the children of the device only when the
+                 * device is neither present nor functional. See ACPI spec,
+                 * description of _STA for more information.
+                 */
+                return (AE_CTRL_DEPTH);
+        }
+
+        /* We have a valid device, invoke the user function */
+
         status = info->user_function(obj_handle, nesting_level, info->context,
                                      return_value);
         return (status);
@@ -681,8 +701,8 @@ acpi_get_devices(const char *HID,
 
         status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
                                         ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
-                                        acpi_ns_get_device_callback, &info,
-                                        return_value);
+                                        acpi_ns_get_device_callback, NULL,
+                                        &info, return_value);
 
         (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
         return_ACPI_STATUS(status);
@@ -723,7 +743,7 @@ acpi_attach_data(acpi_handle obj_handle,
 
         /* Convert and validate the handle */
 
-        node = acpi_ns_map_handle_to_node(obj_handle);
+        node = acpi_ns_validate_handle(obj_handle);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
@@ -769,7 +789,7 @@ acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
 
         /* Convert and validate the handle */
 
-        node = acpi_ns_map_handle_to_node(obj_handle);
+        node = acpi_ns_validate_handle(obj_handle);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
@@ -816,7 +836,7 @@ acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data)
 
         /* Convert and validate the handle */
 
-        node = acpi_ns_map_handle_to_node(obj_handle);
+        node = acpi_ns_validate_handle(obj_handle);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c
index ddc84af6336e..b01e45a415e3 100644
--- a/drivers/acpi/acpica/nsxfname.c
+++ b/drivers/acpi/acpica/nsxfname.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -93,7 +93,7 @@ acpi_get_handle(acpi_handle parent,
         /* Convert a parent handle to a prefix node */
 
         if (parent) {
-                prefix_node = acpi_ns_map_handle_to_node(parent);
+                prefix_node = acpi_ns_validate_handle(parent);
                 if (!prefix_node) {
                         return (AE_BAD_PARAMETER);
                 }
@@ -114,7 +114,7 @@ acpi_get_handle(acpi_handle parent,
 
                 if (!ACPI_STRCMP(pathname, ACPI_NS_ROOT_PATH)) {
                         *ret_handle =
-                            acpi_ns_convert_entry_to_handle(acpi_gbl_root_node);
+                            ACPI_CAST_PTR(acpi_handle, acpi_gbl_root_node);
                         return (AE_OK);
                 }
         } else if (!prefix_node) {
@@ -129,7 +129,7 @@ acpi_get_handle(acpi_handle parent,
         status =
             acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH, &node);
         if (ACPI_SUCCESS(status)) {
-                *ret_handle = acpi_ns_convert_entry_to_handle(node);
+                *ret_handle = ACPI_CAST_PTR(acpi_handle, node);
         }
 
         return (status);
@@ -186,7 +186,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
                 return (status);
         }
 
-        node = acpi_ns_map_handle_to_node(handle);
+        node = acpi_ns_validate_handle(handle);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
@@ -291,7 +291,7 @@ acpi_get_object_info(acpi_handle handle,
                 goto cleanup;
         }
 
-        node = acpi_ns_map_handle_to_node(handle);
+        node = acpi_ns_validate_handle(handle);
         if (!node) {
                 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
                 return (AE_BAD_PARAMETER);
diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c
index 4071bad4458e..eafef24ea448 100644
--- a/drivers/acpi/acpica/nsxfobj.c
+++ b/drivers/acpi/acpica/nsxfobj.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -79,7 +79,7 @@ acpi_status acpi_get_id(acpi_handle handle, acpi_owner_id * ret_id)
 
         /* Convert and validate the handle */
 
-        node = acpi_ns_map_handle_to_node(handle);
+        node = acpi_ns_validate_handle(handle);
         if (!node) {
                 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
                 return (AE_BAD_PARAMETER);
@@ -132,7 +132,7 @@ acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type)
 
         /* Convert and validate the handle */
 
-        node = acpi_ns_map_handle_to_node(handle);
+        node = acpi_ns_validate_handle(handle);
         if (!node) {
                 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
                 return (AE_BAD_PARAMETER);
@@ -182,7 +182,7 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
 
         /* Convert and validate the handle */
 
-        node = acpi_ns_map_handle_to_node(handle);
+        node = acpi_ns_validate_handle(handle);
         if (!node) {
                 status = AE_BAD_PARAMETER;
                 goto unlock_and_exit;
@@ -191,7 +191,7 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
         /* Get the parent entry */
 
         parent_node = acpi_ns_get_parent_node(node);
-        *ret_handle = acpi_ns_convert_entry_to_handle(parent_node);
+        *ret_handle = ACPI_CAST_PTR(acpi_handle, parent_node);
 
         /* Return exception if parent is null */
 
@@ -251,7 +251,7 @@ acpi_get_next_object(acpi_object_type type,
 
                 /* Start search at the beginning of the specified scope */
 
-                parent_node = acpi_ns_map_handle_to_node(parent);
+                parent_node = acpi_ns_validate_handle(parent);
                 if (!parent_node) {
                         status = AE_BAD_PARAMETER;
                         goto unlock_and_exit;
@@ -260,7 +260,7 @@ acpi_get_next_object(acpi_object_type type,
                 /* Non-null handle, ignore the parent */
                 /* Convert and validate the handle */
 
-                child_node = acpi_ns_map_handle_to_node(child);
+                child_node = acpi_ns_validate_handle(child);
                 if (!child_node) {
                         status = AE_BAD_PARAMETER;
                         goto unlock_and_exit;
@@ -276,7 +276,7 @@ acpi_get_next_object(acpi_object_type type,
         }
 
         if (ret_handle) {
-                *ret_handle = acpi_ns_convert_entry_to_handle(node);
+                *ret_handle = ACPI_CAST_PTR(acpi_handle, node);
         }
 
       unlock_and_exit:
diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index b161f3544b51..00493e108a01 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -403,7 +403,7 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
                 /* Get 1 byte from the AML stream */
 
                 opcode = AML_BYTE_OP;
-                arg->common.value.integer = (acpi_integer) * aml;
+                arg->common.value.integer = (u64) *aml;
                 length = 1;
                 break;
 
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c
index cd7995b3aed4..59aabaeab1d3 100644
--- a/drivers/acpi/acpica/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -87,7 +87,8 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
                           union acpi_parse_object *op, acpi_status status);
 
 static void
-acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id);
+acpi_ps_link_module_code(union acpi_parse_object *parent_op,
+                         u8 *aml_start, u32 aml_length, acpi_owner_id owner_id);
 
 /*******************************************************************************
  *
@@ -479,11 +480,14 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
                                  */
                                 if (walk_state->pass_number ==
                                     ACPI_IMODE_LOAD_PASS1) {
-                                        acpi_ps_link_module_code(aml_op_start,
-                                                                 walk_state->
+                                        acpi_ps_link_module_code(op->common.
+                                                                 parent,
+                                                                 aml_op_start,
+                                                                 (u32)
+                                                                 (walk_state->
                                                                  parser_state.
                                                                  pkg_end -
-                                                                 aml_op_start,
+                                                                 aml_op_start),
                                                                  walk_state->
                                                                  owner_id);
                                 }
@@ -598,7 +602,8 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
  *
  * FUNCTION:    acpi_ps_link_module_code
  *
- * PARAMETERS:  aml_start           - Pointer to the AML
+ * PARAMETERS:  parent_op           - Parent parser op
+ *              aml_start           - Pointer to the AML
  *              aml_length          - Length of executable AML
  *              owner_id            - owner_id of module level code
  *
@@ -611,11 +616,13 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
  ******************************************************************************/
 
 static void
-acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id)
+acpi_ps_link_module_code(union acpi_parse_object *parent_op,
+                         u8 *aml_start, u32 aml_length, acpi_owner_id owner_id)
 {
         union acpi_operand_object *prev;
         union acpi_operand_object *next;
         union acpi_operand_object *method_obj;
+        struct acpi_namespace_node *parent_node;
 
         /* Get the tail of the list */
 
@@ -639,11 +646,24 @@ acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id)
                         return;
                 }
 
+                if (parent_op->common.node) {
+                        parent_node = parent_op->common.node;
+                } else {
+                        parent_node = acpi_gbl_root_node;
+                }
+
                 method_obj->method.aml_start = aml_start;
                 method_obj->method.aml_length = aml_length;
                 method_obj->method.owner_id = owner_id;
                 method_obj->method.flags |= AOPOBJ_MODULE_LEVEL;
 
+                /*
+                 * Save the parent node in next_object. This is cheating, but we
+                 * don't want to expand the method object.
+                 */
+                method_obj->method.next_object =
+                    ACPI_CAST_PTR(union acpi_operand_object, parent_node);
+
                 if (!prev) {
                         acpi_gbl_module_code_list = method_obj;
                 } else {
diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c
index 3bc3a60194d6..2b0c3be2b1b8 100644
--- a/drivers/acpi/acpica/psopcode.c
+++ b/drivers/acpi/acpica/psopcode.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c
index 70838e9b608c..8d81542194d4 100644
--- a/drivers/acpi/acpica/psparse.c
+++ b/drivers/acpi/acpica/psparse.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -610,17 +610,13 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
                                             implicit_return_obj) {
                                                 previous_walk_state->
                                                     implicit_return_obj =
-                                                    acpi_ut_create_internal_object
-                                                    (ACPI_TYPE_INTEGER);
+                                                    acpi_ut_create_integer_object
+                                                    ((u64) 0);
                                                 if (!previous_walk_state->
                                                     implicit_return_obj) {
                                                         return_ACPI_STATUS
                                                             (AE_NO_MEMORY);
                                                 }
-
-                                                previous_walk_state->
-                                                    implicit_return_obj->
-                                                    integer.value = 0;
                                         }
 
                                         /* Restart the calling control method */
diff --git a/drivers/acpi/acpica/psscope.c b/drivers/acpi/acpica/psscope.c
index 2feca5ca9581..40e2b279ea12 100644
--- a/drivers/acpi/acpica/psscope.c
+++ b/drivers/acpi/acpica/psscope.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/pstree.c b/drivers/acpi/acpica/pstree.c
index 4d3389118ec3..d4b970c3630b 100644
--- a/drivers/acpi/acpica/pstree.c
+++ b/drivers/acpi/acpica/pstree.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c
index e636e078ad3d..fe29eee5adb1 100644
--- a/drivers/acpi/acpica/psutils.c
+++ b/drivers/acpi/acpica/psutils.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/pswalk.c b/drivers/acpi/acpica/pswalk.c
index 78b8b791f2ae..8abb9629443d 100644
--- a/drivers/acpi/acpica/pswalk.c
+++ b/drivers/acpi/acpica/pswalk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c
index dd9731c29a79..6064dd4e94c2 100644
--- a/drivers/acpi/acpica/psxface.c
+++ b/drivers/acpi/acpica/psxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -287,7 +287,8 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
         /* Invoke an internal method if necessary */
 
         if (info->obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
-                status = info->obj_desc->method.implementation(walk_state);
+                status =
+                    info->obj_desc->method.extra.implementation(walk_state);
                 info->return_object = walk_state->return_desc;
 
                 /* Cleanup states */
@@ -306,14 +307,12 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
          */
         if (acpi_gbl_enable_interpreter_slack) {
                 walk_state->implicit_return_obj =
-                    acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+                    acpi_ut_create_integer_object((u64) 0);
                 if (!walk_state->implicit_return_obj) {
                         status = AE_NO_MEMORY;
                         acpi_ds_delete_walk_state(walk_state);
                         goto cleanup;
                 }
-
-                walk_state->implicit_return_obj->integer.value = 0;
         }
 
         /* Parse the AML */
diff --git a/drivers/acpi/acpica/rsaddr.c b/drivers/acpi/acpica/rsaddr.c
index 1e437bfd8db5..226c806ae986 100644
--- a/drivers/acpi/acpica/rsaddr.c
+++ b/drivers/acpi/acpica/rsaddr.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index 3c4dcc3d1069..d6ebf7ec622d 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index a3c23d686d5f..f2ee3b548609 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -182,7 +182,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
 
         /*
          * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a
-         * package that in turn contains an acpi_integer Address, a u8 Pin,
+         * package that in turn contains an u64 Address, a u8 Pin,
          * a Name, and a u8 source_index.
          */
         top_object_list = package_object->package.elements;
diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
index 3f0ca5a12d34..f859b0386fe4 100644
--- a/drivers/acpi/acpica/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsinfo.c b/drivers/acpi/acpica/rsinfo.c
index 77b25fdb459c..1fd868b964fd 100644
--- a/drivers/acpi/acpica/rsinfo.c
+++ b/drivers/acpi/acpica/rsinfo.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsio.c b/drivers/acpi/acpica/rsio.c
index 35a49aa95609..33bff17c0bbc 100644
--- a/drivers/acpi/acpica/rsio.c
+++ b/drivers/acpi/acpica/rsio.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsirq.c b/drivers/acpi/acpica/rsirq.c
index 2e0256983aa6..545da40d7fa7 100644
--- a/drivers/acpi/acpica/rsirq.c
+++ b/drivers/acpi/acpica/rsirq.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c
index 1b1dbc69f087..fd057c72d252 100644
--- a/drivers/acpi/acpica/rslist.c
+++ b/drivers/acpi/acpica/rslist.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsmemory.c b/drivers/acpi/acpica/rsmemory.c
index ddc76cebdc92..887b8ba8c432 100644
--- a/drivers/acpi/acpica/rsmemory.c
+++ b/drivers/acpi/acpica/rsmemory.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
index 5bc49a553284..07de352fa443 100644
--- a/drivers/acpi/acpica/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c
index bc03d5966829..22cfcfbd9fff 100644
--- a/drivers/acpi/acpica/rsutils.c
+++ b/drivers/acpi/acpica/rsutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c
index 395212bcd19b..9f6a6e7e1c8e 100644
--- a/drivers/acpi/acpica/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -104,7 +104,7 @@ acpi_rs_validate_parameters(acpi_handle device_handle,
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
-        node = acpi_ns_map_handle_to_node(device_handle);
+        node = acpi_ns_validate_handle(device_handle);
         if (!node) {
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
index c016335fb759..f43fbe0fc3fc 100644
--- a/drivers/acpi/acpica/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c
index 1054dfd49207..e252180ce61c 100644
--- a/drivers/acpi/acpica/tbfind.c
+++ b/drivers/acpi/acpica/tbfind.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index 63e82329a9e8..7ec02b0f69e0 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index 1f15497f00d1..02723a9fb10c 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index a88f02bd6c94..5217a6159a31 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index 85ea834199e2..dda6e8c497d3 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c
index 7580f6b3069e..3d706b8fd449 100644
--- a/drivers/acpi/acpica/utalloc.c
+++ b/drivers/acpi/acpica/utalloc.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c
index 0f0c64bf8ac9..97ec3621e71d 100644
--- a/drivers/acpi/acpica/utcopy.c
+++ b/drivers/acpi/acpica/utcopy.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -323,11 +323,11 @@ acpi_ut_copy_ielement_to_eelement(u8 object_type,
  * RETURN:      Status
  *
  * DESCRIPTION: This function is called to place a package object in a user
- *              buffer.  A package object by definition contains other objects.
+ *              buffer. A package object by definition contains other objects.
  *
  *              The buffer is assumed to have sufficient space for the object.
- *              The caller must have verified the buffer length needed using the
- *              acpi_ut_get_object_size function before calling this function.
+ *              The caller must have verified the buffer length needed using
+ *              the acpi_ut_get_object_size function before calling this function.
  *
  ******************************************************************************/
 
@@ -382,12 +382,12 @@ acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object,
  * FUNCTION:    acpi_ut_copy_iobject_to_eobject
  *
  * PARAMETERS:  internal_object     - The internal object to be converted
- *              buffer_ptr          - Where the object is returned
+ *              ret_buffer          - Where the object is returned
  *
  * RETURN:      Status
  *
- * DESCRIPTION: This function is called to build an API object to be returned to
- *              the caller.
+ * DESCRIPTION: This function is called to build an API object to be returned
+ *              to the caller.
  *
  ******************************************************************************/
 
@@ -626,7 +626,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
  * PARAMETERS:  external_object     - The external object to be converted
  *              internal_object     - Where the internal object is returned
  *
- * RETURN:      Status              - the status of the call
+ * RETURN:      Status
  *
  * DESCRIPTION: Converts an external object to an internal object.
  *
@@ -665,7 +665,7 @@ acpi_ut_copy_eobject_to_iobject(union acpi_object *external_object,
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Simple copy of one internal object to another.  Reference count
+ * DESCRIPTION: Simple copy of one internal object to another. Reference count
  *              of the destination object is preserved.
  *
  ******************************************************************************/
@@ -897,10 +897,11 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type,
  *
  * FUNCTION:    acpi_ut_copy_ipackage_to_ipackage
  *
- * PARAMETERS:  *source_obj     - Pointer to the source package object
- *              *dest_obj       - Where the internal object is returned
+ * PARAMETERS:  source_obj      - Pointer to the source package object
+ *              dest_obj        - Where the internal object is returned
+ *              walk_state      - Current Walk state descriptor
  *
- * RETURN:      Status          - the status of the call
+ * RETURN:      Status
  *
  * DESCRIPTION: This function is called to copy an internal package object
  *              into another internal package object.
@@ -953,9 +954,9 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
  *
  * FUNCTION:    acpi_ut_copy_iobject_to_iobject
  *
- * PARAMETERS:  walk_state          - Current walk state
- *              source_desc         - The internal object to be copied
+ * PARAMETERS:  source_desc         - The internal object to be copied
  *              dest_desc           - Where the copied object is returned
+ *              walk_state          - Current walk state
  *
  * RETURN:      Status
  *
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index 527d729f6815..983510640059 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -460,8 +460,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
 void
 acpi_ut_value_exit(u32 line_number,
                    const char *function_name,
-                   const char *module_name,
-                   u32 component_id, acpi_integer value)
+                   const char *module_name, u32 component_id, u64 value)
 {
 
         acpi_debug_print(ACPI_LV_FUNCTIONS,
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 96e26e70c63d..16b51c69606a 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c
index 5d54e36ab453..7f5e734ce7f7 100644
--- a/drivers/acpi/acpica/uteval.c
+++ b/drivers/acpi/acpica/uteval.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -348,7 +348,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
 acpi_status
 acpi_ut_evaluate_numeric_object(char *object_name,
                                 struct acpi_namespace_node *device_node,
-                                acpi_integer *value)
+                                u64 *value)
 {
         union acpi_operand_object *obj_desc;
         acpi_status status;
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index 3f2c68f4e959..eda3e656c4af 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -234,7 +234,7 @@ static const char acpi_gbl_hex_to_ascii[] = {
  *
  ******************************************************************************/
 
-char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position)
+char acpi_ut_hex_to_ascii_char(u64 integer, u32 position)
 {
 
         return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c
index 52eaae404554..1397fadd0d4b 100644
--- a/drivers/acpi/acpica/utids.c
+++ b/drivers/acpi/acpica/utids.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2009, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c
index 9d0919ebf7b0..a39c93dac719 100644
--- a/drivers/acpi/acpica/utinit.c
+++ b/drivers/acpi/acpica/utinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utlock.c b/drivers/acpi/acpica/utlock.c
index 25e03120686d..b081cd46a15f 100644
--- a/drivers/acpi/acpica/utlock.c
+++ b/drivers/acpi/acpica/utlock.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2009, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c
index c9f682d640ef..35059a14eb72 100644
--- a/drivers/acpi/acpica/utmath.c
+++ b/drivers/acpi/acpica/utmath.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -70,9 +70,8 @@ ACPI_MODULE_NAME("utmath")
  *
  ******************************************************************************/
 acpi_status
-acpi_ut_short_divide(acpi_integer dividend,
-                     u32 divisor,
-                     acpi_integer * out_quotient, u32 * out_remainder)
+acpi_ut_short_divide(u64 dividend,
+                     u32 divisor, u64 *out_quotient, u32 *out_remainder)
 {
         union uint64_overlay dividend_ovl;
         union uint64_overlay quotient;
@@ -126,9 +125,8 @@ acpi_ut_short_divide(acpi_integer dividend,
  ******************************************************************************/
 
 acpi_status
-acpi_ut_divide(acpi_integer in_dividend,
-               acpi_integer in_divisor,
-               acpi_integer * out_quotient, acpi_integer * out_remainder)
+acpi_ut_divide(u64 in_dividend,
+               u64 in_divisor, u64 *out_quotient, u64 *out_remainder)
 {
         union uint64_overlay dividend;
         union uint64_overlay divisor;
@@ -199,9 +197,8 @@ acpi_ut_divide(acpi_integer in_dividend,
                  * The 64-bit remainder must be generated.
                  */
                 partial1 = quotient.part.lo * divisor.part.hi;
-                partial2.full =
-                    (acpi_integer) quotient.part.lo * divisor.part.lo;
-                partial3.full = (acpi_integer) partial2.part.hi + partial1;
+                partial2.full = (u64) quotient.part.lo * divisor.part.lo;
+                partial3.full = (u64) partial2.part.hi + partial1;
 
                 remainder.part.hi = partial3.part.lo;
                 remainder.part.lo = partial2.part.lo;
@@ -257,9 +254,8 @@ acpi_ut_divide(acpi_integer in_dividend,
  *
  ******************************************************************************/
 acpi_status
-acpi_ut_short_divide(acpi_integer in_dividend,
-                     u32 divisor,
-                     acpi_integer * out_quotient, u32 * out_remainder)
+acpi_ut_short_divide(u64 in_dividend,
+                     u32 divisor, u64 *out_quotient, u32 *out_remainder)
 {
 
         ACPI_FUNCTION_TRACE(ut_short_divide);
@@ -284,9 +280,8 @@ acpi_ut_short_divide(acpi_integer in_dividend,
 }
 
 acpi_status
-acpi_ut_divide(acpi_integer in_dividend,
-               acpi_integer in_divisor,
-               acpi_integer * out_quotient, acpi_integer * out_remainder)
+acpi_ut_divide(u64 in_dividend,
+               u64 in_divisor, u64 *out_quotient, u64 *out_remainder)
 {
         ACPI_FUNCTION_TRACE(ut_divide);
 
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index 61f6315fce9f..32982e2ac384 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -724,13 +724,12 @@ acpi_name acpi_ut_repair_name(char *name)
  *
  ******************************************************************************/
 
-acpi_status
-acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
+acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer)
 {
         u32 this_digit = 0;
-        acpi_integer return_value = 0;
-        acpi_integer quotient;
-        acpi_integer dividend;
+        u64 return_value = 0;
+        u64 quotient;
+        u64 dividend;
         u32 to_integer_op = (base == ACPI_ANY_BASE);
         u32 mode32 = (acpi_gbl_integer_byte_width == 4);
         u8 valid_digits = 0;
@@ -844,9 +843,8 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
 
                 /* Divide the digit into the correct position */
 
-                (void)
-                    acpi_ut_short_divide((dividend - (acpi_integer) this_digit),
-                                         base, &quotient, NULL);
+                (void)acpi_ut_short_divide((dividend - (u64) this_digit),
+                                           base, &quotient, NULL);
 
                 if (return_value > quotient) {
                         if (to_integer_op) {
@@ -1161,3 +1159,45 @@ acpi_ut_predefined_warning(const char *module_name,
         ACPI_COMMON_MSG_SUFFIX;
         va_end(args);
 }
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_predefined_info
+ *
+ * PARAMETERS:  module_name     - Caller's module name (for error output)
+ *              line_number     - Caller's line number (for error output)
+ *              Pathname        - Full pathname to the node
+ *              node_flags      - From Namespace node for the method/object
+ *              Format          - Printf format string + additional args
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Info messages for the predefined validation module. Messages
+ *              are only emitted the first time a problem with a particular
+ *              method/object is detected. This prevents a flood of
+ *              messages for methods that are repeatedly evaluated.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_ut_predefined_info(const char *module_name,
+                        u32 line_number,
+                        char *pathname, u8 node_flags, const char *format, ...)
+{
+        va_list args;
+
+        /*
+         * Warning messages for this method/object will be disabled after the
+         * first time a validation fails or an object is successfully repaired.
+         */
+        if (node_flags & ANOBJ_EVALUATED) {
+                return;
+        }
+
+        acpi_os_printf("ACPI Info for %s: ", pathname);
+
+        va_start(args, format);
+        acpi_os_vprintf(format, args);
+        ACPI_COMMON_MSG_SUFFIX;
+        va_end(args);
+}
diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c
index 80bb65154117..55d014ed6d55 100644
--- a/drivers/acpi/acpica/utmutex.c
+++ b/drivers/acpi/acpica/utmutex.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,7 +50,7 @@ ACPI_MODULE_NAME("utmutex")
 /* Local prototypes */
 static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id);
 
-static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id);
+static void acpi_ut_delete_mutex(acpi_mutex_handle mutex_id);
 
 /*******************************************************************************
  *
@@ -114,7 +114,7 @@ void acpi_ut_mutex_terminate(void)
         /* Delete each predefined mutex object */
 
         for (i = 0; i < ACPI_NUM_MUTEX; i++) {
-                (void)acpi_ut_delete_mutex(i);
+                acpi_ut_delete_mutex(i);
         }
 
         /* Delete the spinlocks */
@@ -146,10 +146,6 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
 
         ACPI_FUNCTION_TRACE_U32(ut_create_mutex, mutex_id);
 
-        if (mutex_id > ACPI_MAX_MUTEX) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
         if (!acpi_gbl_mutex_info[mutex_id].mutex) {
                 status =
                     acpi_os_create_mutex(&acpi_gbl_mutex_info[mutex_id].mutex);
@@ -173,21 +169,15 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
  *
  ******************************************************************************/
 
-static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
+static void acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
 {
 
         ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id);
 
-        if (mutex_id > ACPI_MAX_MUTEX) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
         acpi_os_delete_mutex(acpi_gbl_mutex_info[mutex_id].mutex);
 
         acpi_gbl_mutex_info[mutex_id].mutex = NULL;
         acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
-
-        return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index 0207b625274a..3356f0cb0745 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -190,6 +190,35 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count)
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ut_create_integer_object
+ *
+ * PARAMETERS:  initial_value       - Initial value for the integer
+ *
+ * RETURN:      Pointer to a new Integer object, null on failure
+ *
+ * DESCRIPTION: Create an initialized integer object
+ *
+ ******************************************************************************/
+
+union acpi_operand_object *acpi_ut_create_integer_object(u64 initial_value)
+{
+        union acpi_operand_object *integer_desc;
+
+        ACPI_FUNCTION_TRACE(ut_create_integer_object);
+
+        /* Create and initialize a new integer object */
+
+        integer_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+        if (!integer_desc) {
+                return_PTR(NULL);
+        }
+
+        integer_desc->integer.value = initial_value;
+        return_PTR(integer_desc);
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ut_create_buffer_object
  *
  * PARAMETERS:  buffer_size            - Size of buffer to be created
diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c
index 91b7c00236f4..7965919000b1 100644
--- a/drivers/acpi/acpica/utresrc.c
+++ b/drivers/acpi/acpica/utresrc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utstate.c b/drivers/acpi/acpica/utstate.c
index 0440c958f5a4..d35d109b8da2 100644
--- a/drivers/acpi/acpica/utstate.c
+++ b/drivers/acpi/acpica/utstate.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c
index b1f5f680bc78..db9d8ca57987 100644
--- a/drivers/acpi/acpica/utxface.c
+++ b/drivers/acpi/acpica/utxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without