Merge branch 'topic/soix' into drm-intel-next-queued

Jesse's SOix work required some patches from acpi-next, so pull it in
through a topic barnch.

Conflicts:
	drivers/gpu/drm/i915/i915_drv.c
	drivers/gpu/drm/i915/intel_pm.c

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

22 files changed, 1046 insertions, 443 deletions

diff --git a/include/acpi/acpi.h b/include/acpi/acpi.h
index ca0cb603b171..a08e55a263c9 100644
--- a/include/acpi/acpi.h
+++ b/include/acpi/acpi.h
@@ -62,8 +62,6 @@
 #include <acpi/acrestyp.h>		/* Resource Descriptor structs */
 #include <acpi/acpiosxf.h>		/* OSL interfaces (ACPICA-to-OS) */
 #include <acpi/acpixf.h>		/* ACPI core subsystem external interfaces */
-#ifdef ACPI_NATIVE_INTERFACE_HEADER
-#include ACPI_NATIVE_INTERFACE_HEADER
-#endif
+#include <acpi/platform/acenvex.h>	/* Extra environment-specific items */
 
 #endif				/* __ACPI_H__ */
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 84a2e29a2314..b5714580801a 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -131,6 +131,7 @@ static inline struct acpi_hotplug_profile *to_acpi_hotplug_profile(
 struct acpi_scan_handler {
 	const struct acpi_device_id *ids;
 	struct list_head list_node;
+	bool (*match)(char *idstr, const struct acpi_device_id **matchid);
 	int (*attach)(struct acpi_device *dev, const struct acpi_device_id *id);
 	void (*detach)(struct acpi_device *dev);
 	void (*bind)(struct device *phys_dev);
@@ -232,7 +233,8 @@ struct acpi_hardware_id {
 struct acpi_pnp_type {
 	u32 hardware_id:1;
 	u32 bus_address:1;
-	u32 reserved:30;
+	u32 platform_id:1;
+	u32 reserved:29;
 };
 
 struct acpi_device_pnp {
@@ -261,7 +263,8 @@ struct acpi_device_power_flags {
 	u32 inrush_current:1;	/* Serialize Dx->D0 */
 	u32 power_removed:1;	/* Optimize Dx->D0 */
 	u32 ignore_parent:1;	/* Power is independent of parent power state */
-	u32 reserved:27;
+	u32 dsw_present:1;	/* _DSW present? */
+	u32 reserved:26;
 };
 
 struct acpi_device_power_state {
@@ -406,6 +409,8 @@ extern struct kobject *acpi_kobj;
 extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
 void acpi_bus_private_data_handler(acpi_handle, void *);
 int acpi_bus_get_private_data(acpi_handle, void **);
+int acpi_bus_attach_private_data(acpi_handle, void *);
+void acpi_bus_detach_private_data(acpi_handle);
 void acpi_bus_no_hotplug(acpi_handle handle);
 extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
 extern int register_acpi_notifier(struct notifier_block *);
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index d504613bbf80..ea6428b7dacb 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -96,7 +96,12 @@ struct pci_dev *acpi_get_pci_dev(acpi_handle);
 /* Arch-defined function to add a bus to the system */
 
 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
+
+#ifdef CONFIG_X86
 void pci_acpi_crs_quirks(void);
+#else
+static inline void pci_acpi_crs_quirks(void) { }
+#endif
 
 /* --------------------------------------------------------------------------
                                     Processor
diff --git a/include/acpi/acpi_io.h b/include/acpi/acpi_io.h
index 2be858018c7f..444671e9c65d 100644
--- a/include/acpi/acpi_io.h
+++ b/include/acpi/acpi_io.h
@@ -9,6 +9,9 @@ static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys,
        return ioremap_cache(phys, size);
 }
 
+void __iomem *__init_refok
+acpi_os_map_iomem(acpi_physical_address phys, acpi_size size);
+void __ref acpi_os_unmap_iomem(void __iomem *virt, acpi_size size);
 void __iomem *acpi_os_get_iomem(acpi_physical_address phys, unsigned int size);
 
 int acpi_os_map_generic_address(struct acpi_generic_address *addr);
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 44f5e9749601..35b525c19711 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -46,7 +46,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20140214
+#define ACPI_CA_VERSION                 0x20140424
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
@@ -55,233 +55,478 @@
 
 extern u8 acpi_gbl_permanent_mmap;
 
+/*****************************************************************************
+ *
+ * Macros used for ACPICA globals and configuration
+ *
+ ****************************************************************************/
+
 /*
- * Globals that are publically available
+ * Ensure that global variables are defined and initialized only once.
+ *
+ * The use of these macros allows for a single list of globals (here)
+ * in order to simplify maintenance of the code.
  */
-extern u32 acpi_current_gpe_count;
-extern struct acpi_table_fadt acpi_gbl_FADT;
-extern u8 acpi_gbl_system_awake_and_running;
-extern u8 acpi_gbl_reduced_hardware;	/* ACPI 5.0 */
-extern u8 acpi_gbl_osi_data;
+#ifdef DEFINE_ACPI_GLOBALS
+#define ACPI_GLOBAL(type,name) \
+	extern type name; \
+	type name
 
-/* Runtime configuration of debug print levels */
+#define ACPI_INIT_GLOBAL(type,name,value) \
+	type name=value
 
-extern u32 acpi_dbg_level;
-extern u32 acpi_dbg_layer;
-
-/* ACPICA runtime options */
+#else
+#ifndef ACPI_GLOBAL
+#define ACPI_GLOBAL(type,name) \
+	extern type name
+#endif
 
-extern u8 acpi_gbl_auto_serialize_methods;
-extern u8 acpi_gbl_copy_dsdt_locally;
-extern u8 acpi_gbl_create_osi_method;
-extern u8 acpi_gbl_disable_auto_repair;
-extern u8 acpi_gbl_disable_ssdt_table_load;
-extern u8 acpi_gbl_do_not_use_xsdt;
-extern u8 acpi_gbl_enable_aml_debug_object;
-extern u8 acpi_gbl_enable_interpreter_slack;
-extern u32 acpi_gbl_trace_flags;
-extern acpi_name acpi_gbl_trace_method_name;
-extern u8 acpi_gbl_truncate_io_addresses;
-extern u8 acpi_gbl_use32_bit_fadt_addresses;
-extern u8 acpi_gbl_use_default_register_widths;
+#ifndef ACPI_INIT_GLOBAL
+#define ACPI_INIT_GLOBAL(type,name,value) \
+	extern type name
+#endif
+#endif
 
 /*
- * Hardware-reduced prototypes. All interfaces that use these macros will
- * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
- * is set to TRUE.
+ * These macros configure the various ACPICA interfaces. They are
+ * useful for generating stub inline functions for features that are
+ * configured out of the current kernel or ACPICA application.
  */
-#if (!ACPI_REDUCED_HARDWARE)
-#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+#ifndef ACPI_EXTERNAL_RETURN_STATUS
+#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
 	prototype;
+#endif
 
-#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+#ifndef ACPI_EXTERNAL_RETURN_OK
+#define ACPI_EXTERNAL_RETURN_OK(prototype) \
 	prototype;
+#endif
 
-#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+#ifndef ACPI_EXTERNAL_RETURN_VOID
+#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
 	prototype;
+#endif
 
-#else
-#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
-	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
-
-#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
-	static ACPI_INLINE prototype {return(AE_OK);}
+#ifndef ACPI_EXTERNAL_RETURN_UINT32
+#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
+	prototype;
+#endif
 
-#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
-	static ACPI_INLINE prototype {return;}
+#ifndef ACPI_EXTERNAL_RETURN_PTR
+#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
+	prototype;
+#endif
 
-#endif				/* !ACPI_REDUCED_HARDWARE */
+/*****************************************************************************
+ *
+ * Public globals and runtime configuration options
+ *
+ ****************************************************************************/
 
 /*
- * Initialization
+ * Enable "slack mode" of the AML interpreter?  Default is FALSE, and the
+ * interpreter strictly follows the ACPI specification. Setting to TRUE
+ * allows the interpreter to ignore certain errors and/or bad AML constructs.
+ *
+ * Currently, these features are enabled by this flag:
+ *
+ * 1) Allow "implicit return" of last value in a control method
+ * 2) Allow access beyond the end of an operation region
+ * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
+ * 4) Allow ANY object type to be a source operand for the Store() operator
+ * 5) Allow unresolved references (invalid target name) in package objects
+ * 6) Enable warning messages for behavior that is not ACPI spec compliant
  */
-acpi_status __init
-acpi_initialize_tables(struct acpi_table_desc *initial_storage,
-		       u32 initial_table_count, u8 allow_resize);
-
-acpi_status __init acpi_initialize_subsystem(void);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
 
-acpi_status __init acpi_enable_subsystem(u32 flags);
-
-acpi_status __init acpi_initialize_objects(u32 flags);
+/*
+ * Automatically serialize all methods that create named objects? Default
+ * is TRUE, meaning that all non_serialized methods are scanned once at
+ * table load time to determine those that create named objects. Methods
+ * that create named objects are marked Serialized in order to prevent
+ * possible run-time problems if they are entered by more than one thread.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
 
-acpi_status __init acpi_terminate(void);
+/*
+ * Create the predefined _OSI method in the namespace? Default is TRUE
+ * because ACPICA is fully compatible with other ACPI implementations.
+ * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
 
 /*
- * Miscellaneous global interfaces
+ * Optionally use default values for the ACPI register widths. Set this to
+ * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
  */
-ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
-ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
-#ifdef ACPI_FUTURE_USAGE
-acpi_status acpi_subsystem_status(void);
-#endif
+ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
 
-#ifdef ACPI_FUTURE_USAGE
-acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
-#endif
+/*
+ * Whether or not to verify the table checksum before installation. Set
+ * this to TRUE to verify the table checksum before install it to the table
+ * manager. Note that enabling this option causes errors to happen in some
+ * OSPMs during early initialization stages. Default behavior is to do such
+ * verification.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_verify_table_checksum, TRUE);
 
-acpi_status acpi_get_statistics(struct acpi_statistics *stats);
+/*
+ * Optionally enable output from the AML Debug Object.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
 
-const char *acpi_format_exception(acpi_status exception);
+/*
+ * Optionally copy the entire DSDT to local memory (instead of simply
+ * mapping it.) There are some BIOSs that corrupt or replace the original
+ * DSDT, creating the need for this option. Default is FALSE, do not copy
+ * the DSDT.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
 
-acpi_status acpi_purge_cached_objects(void);
+/*
+ * Optionally ignore an XSDT if present and use the RSDT instead.
+ * Although the ACPI specification requires that an XSDT be used instead
+ * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
+ * some machines. Default behavior is to use the XSDT if present.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
 
-acpi_status acpi_install_interface(acpi_string interface_name);
+/*
+ * Optionally use 32-bit FADT addresses if and when there is a conflict
+ * (address mismatch) between the 32-bit and 64-bit versions of the
+ * address. Although ACPICA adheres to the ACPI specification which
+ * requires the use of the corresponding 64-bit address if it is non-zero,
+ * some machines have been found to have a corrupted non-zero 64-bit
+ * address. Default is TRUE, favor the 32-bit addresses.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, TRUE);
 
-acpi_status acpi_remove_interface(acpi_string interface_name);
+/*
+ * Optionally truncate I/O addresses to 16 bits. Provides compatibility
+ * with other ACPI implementations. NOTE: During ACPICA initialization,
+ * this value is set to TRUE if any Windows OSI strings have been
+ * requested by the BIOS.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 
-acpi_status acpi_update_interfaces(u8 action);
+/*
+ * Disable runtime checking and repair of values returned by control methods.
+ * Use only if the repair is causing a problem on a particular machine.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 
-u32
-acpi_check_address_range(acpi_adr_space_type space_id,
-			 acpi_physical_address address,
-			 acpi_size length, u8 warn);
+/*
+ * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
+ * This can be useful for debugging ACPI problems on some machines.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 
-acpi_status
-acpi_decode_pld_buffer(u8 *in_buffer,
-		       acpi_size length, struct acpi_pld_info **return_buffer);
+/*
+ * We keep track of the latest version of Windows that has been requested by
+ * the BIOS. ACPI 5.0.
+ */
+ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
 
 /*
- * ACPI table load/unload interfaces
+ * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
+ * that the ACPI hardware is no longer required. A flag in the FADT indicates
+ * a reduced HW machine, and that flag is duplicated here for convenience.
  */
-acpi_status acpi_load_table(struct acpi_table_header *table);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
 
-acpi_status acpi_unload_parent_table(acpi_handle object);
+/*
+ * This mechanism is used to trace a specified AML method. The method is
+ * traced each time it is executed.
+ */
+ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
+ACPI_INIT_GLOBAL(acpi_name, acpi_gbl_trace_method_name, 0);
 
-acpi_status __init acpi_load_tables(void);
+/*
+ * Runtime configuration of debug output control masks. We want the debug
+ * switches statically initialized so they are already set when the debugger
+ * is entered.
+ */
+ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
+ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 
 /*
- * ACPI table manipulation interfaces
+ * Other miscellaneous globals
  */
-acpi_status __init acpi_reallocate_root_table(void);
+ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
+ACPI_GLOBAL(u32, acpi_current_gpe_count);
+ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 
-acpi_status __init acpi_find_root_pointer(acpi_size *rsdp_address);
+/*****************************************************************************
+ *
+ * ACPICA public interface configuration.
+ *
+ * Interfaces that are configured out of the ACPICA build are replaced
+ * by inlined stubs by default.
+ *
+ ****************************************************************************/
 
-acpi_status acpi_unload_table_id(acpi_owner_id id);
+/*
+ * Hardware-reduced prototypes (default: Not hardware reduced).
+ *
+ * All ACPICA hardware-related interfaces that use these macros will be
+ * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
+ * is set to TRUE.
+ *
+ * Note: This static build option for reduced hardware is intended to
+ * reduce ACPICA code size if desired or necessary. However, even if this
+ * option is not specified, the runtime behavior of ACPICA is dependent
+ * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
+ * the flag will enable similar behavior -- ACPICA will not attempt
+ * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
+ */
+#if (!ACPI_REDUCED_HARDWARE)
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+	ACPI_EXTERNAL_RETURN_STATUS(prototype)
 
-acpi_status
-acpi_get_table_header(acpi_string signature,
-		      u32 instance, struct acpi_table_header *out_table_header);
+#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+	ACPI_EXTERNAL_RETURN_OK(prototype)
 
-acpi_status
-acpi_get_table_with_size(acpi_string signature,
-	       u32 instance, struct acpi_table_header **out_table,
-	       acpi_size *tbl_size);
+#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+	ACPI_EXTERNAL_RETURN_VOID(prototype)
 
-acpi_status
-acpi_get_table(acpi_string signature,
-	       u32 instance, struct acpi_table_header **out_table);
+#else
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
 
-acpi_status
-acpi_get_table_by_index(u32 table_index, struct acpi_table_header **out_table);
+#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+	static ACPI_INLINE prototype {return(AE_OK);}
 
-acpi_status
-acpi_install_table_handler(acpi_table_handler handler, void *context);
+#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
 
-acpi_status acpi_remove_table_handler(acpi_table_handler handler);
+#endif				/* !ACPI_REDUCED_HARDWARE */
 
 /*
- * Namespace and name interfaces
+ * Error message prototypes (default: error messages enabled).
+ *
+ * All interfaces related to error and warning messages
+ * will be configured out of the ACPICA build if the
+ * ACPI_NO_ERROR_MESSAGE flag is defined.
  */
-acpi_status
-acpi_walk_namespace(acpi_object_type type,
-		    acpi_handle start_object,
-		    u32 max_depth,
-		    acpi_walk_callback descending_callback,
-		    acpi_walk_callback ascending_callback,
-		    void *context, void **return_value);
+#ifndef ACPI_NO_ERROR_MESSAGES
+#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
+	prototype;
 
-acpi_status
-acpi_get_devices(const char *HID,
-		 acpi_walk_callback user_function,
-		 void *context, void **return_value);
+#else
+#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
 
-acpi_status
-acpi_get_name(acpi_handle object,
-	      u32 name_type, struct acpi_buffer *ret_path_ptr);
+#endif				/* ACPI_NO_ERROR_MESSAGES */
 
-acpi_status
-acpi_get_handle(acpi_handle parent,
-		acpi_string pathname, acpi_handle * ret_handle);
+/*
+ * Debugging output prototypes (default: no debug output).
+ *
+ * All interfaces related to debug output messages
+ * will be configured out of the ACPICA build unless the
+ * ACPI_DEBUG_OUTPUT flag is defined.
+ */
+#ifdef ACPI_DEBUG_OUTPUT
+#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
+	prototype;
 
-acpi_status
-acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
+#else
+#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
 
-acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
+#endif				/* ACPI_DEBUG_OUTPUT */
 
-acpi_status
-acpi_get_data_full(acpi_handle object, acpi_object_handler handler, void **data,
-		   void (*callback)(void *));
+/*****************************************************************************
+ *
+ * ACPICA public interface prototypes
+ *
+ ****************************************************************************/
 
-acpi_status
-acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
+/*
+ * Initialization
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
+			    acpi_initialize_tables(struct acpi_table_desc
+						   *initial_storage,
+						   u32 initial_table_count,
+						   u8 allow_resize))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_initialize_subsystem(void))
 
-acpi_status
-acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_enable_subsystem(u32 flags))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
+			    acpi_initialize_objects(u32 flags))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_terminate(void))
 
 /*
- * Object manipulation and enumeration
+ * Miscellaneous global interfaces
  */
-acpi_status
-acpi_evaluate_object(acpi_handle object,
-		     acpi_string pathname,
-		     struct acpi_object_list *parameter_objects,
-		     struct acpi_buffer *return_object_buffer);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
+#ifdef ACPI_FUTURE_USAGE
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
+#endif
 
-acpi_status
-acpi_evaluate_object_typed(acpi_handle object,
-			   acpi_string pathname,
-			   struct acpi_object_list *external_params,
-			   struct acpi_buffer *return_buffer,
-			   acpi_object_type return_type);
+#ifdef ACPI_FUTURE_USAGE
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_system_info(struct acpi_buffer
+						 *ret_buffer))
+#endif
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_statistics(struct acpi_statistics *stats))
+ACPI_EXTERNAL_RETURN_PTR(const char
+			  *acpi_format_exception(acpi_status exception))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_install_interface(acpi_string interface_name))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_remove_interface(acpi_string interface_name))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
+
+ACPI_EXTERNAL_RETURN_UINT32(u32
+			    acpi_check_address_range(acpi_adr_space_type
+						     space_id,
+						     acpi_physical_address
+						     address, acpi_size length,
+						     u8 warn))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_decode_pld_buffer(u8 *in_buffer,
+						    acpi_size length,
+						    struct acpi_pld_info
+						    **return_buffer))
 
-acpi_status
-acpi_get_object_info(acpi_handle object,
-		     struct acpi_device_info **return_buffer);
+/*
+ * ACPI table load/unload interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
+			    acpi_install_table(acpi_physical_address address,
+					       u8 physical))
 
-acpi_status acpi_install_method(u8 *buffer);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_load_table(struct acpi_table_header *table))
 
-acpi_status
-acpi_get_next_object(acpi_object_type type,
-		     acpi_handle parent,
-		     acpi_handle child, acpi_handle * out_handle);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_unload_parent_table(acpi_handle object))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_load_tables(void))
 
-acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
+/*
+ * ACPI table manipulation interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init acpi_reallocate_root_table(void))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status __init
+			    acpi_find_root_pointer(acpi_size * rsdp_address))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_table_header(acpi_string signature,
+						  u32 instance,
+						  struct acpi_table_header
+						  *out_table_header))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_table(acpi_string signature, u32 instance,
+					    struct acpi_table_header
+					    **out_table))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_table_by_index(u32 table_index,
+						     struct acpi_table_header
+						     **out_table))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_table_handler(acpi_table_handler
+							handler, void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_remove_table_handler(acpi_table_handler
+						       handler))
 
-acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
+/*
+ * Namespace and name interfaces
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_walk_namespace(acpi_object_type type,
+						acpi_handle start_object,
+						u32 max_depth,
+						acpi_walk_callback
+						descending_callback,
+						acpi_walk_callback
+						ascending_callback,
+						void *context,
+						void **return_value))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_devices(const char *HID,
+					      acpi_walk_callback user_function,
+					      void *context,
+					      void **return_value))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_name(acpi_handle object, u32 name_type,
+					   struct acpi_buffer *ret_path_ptr))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_handle(acpi_handle parent,
+					     acpi_string pathname,
+					     acpi_handle * ret_handle))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_attach_data(acpi_handle object,
+					      acpi_object_handler handler,
+					      void *data))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_detach_data(acpi_handle object,
+					      acpi_object_handler handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_data(acpi_handle object,
+					   acpi_object_handler handler,
+					   void **data))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_debug_trace(char *name, u32 debug_level,
+					      u32 debug_layer, u32 flags))
 
-acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
+/*
+ * Object manipulation and enumeration
+ */
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_evaluate_object(acpi_handle object,
+						 acpi_string pathname,
+						 struct acpi_object_list
+						 *parameter_objects,
+						 struct acpi_buffer
+						 *return_object_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_evaluate_object_typed(acpi_handle object,
+							acpi_string pathname,
+							struct acpi_object_list
+							*external_params,
+							struct acpi_buffer
+							*return_buffer,
+							acpi_object_type
+							return_type))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_object_info(acpi_handle object,
+						  struct acpi_device_info
+						  **return_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_next_object(acpi_object_type type,
+						 acpi_handle parent,
+						 acpi_handle child,
+						 acpi_handle * out_handle))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_type(acpi_handle object,
+					  acpi_object_type * out_type))
+
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_parent(acpi_handle object,
+					    acpi_handle * out_handle))
 
 /*
  * Handler interfaces
  */
-acpi_status
-acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
-
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_install_initialization_handler
+			    (acpi_init_handler handler, u32 function))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
-				acpi_install_sci_handler(acpi_sci_handler
-							 address,
-							 void *context))
+				 acpi_install_sci_handler(acpi_sci_handler
+							  address,
+							  void *context))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				 acpi_remove_sci_handler(acpi_sci_handler
 							 address))
@@ -313,30 +558,42 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 							 u32 gpe_number,
 							 acpi_gpe_handler
 							 address))
-acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type,
-					 acpi_notify_handler handler,
-					 void *context);
-
-acpi_status
-acpi_remove_notify_handler(acpi_handle device,
-			   u32 handler_type, acpi_notify_handler handler);
-
-acpi_status
-acpi_install_address_space_handler(acpi_handle device,
-				   acpi_adr_space_type space_id,
-				   acpi_adr_space_handler handler,
-				   acpi_adr_space_setup setup, void *context);
-
-acpi_status
-acpi_remove_address_space_handler(acpi_handle device,
-				  acpi_adr_space_type space_id,
-				  acpi_adr_space_handler handler);
-
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_notify_handler(acpi_handle device,
+							 u32 handler_type,
+							 acpi_notify_handler
+							 handler,
+							 void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_remove_notify_handler(acpi_handle device,
+							u32 handler_type,
+							acpi_notify_handler
+							handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_address_space_handler(acpi_handle
+								device,
+								acpi_adr_space_type
+								space_id,
+								acpi_adr_space_handler
+								handler,
+								acpi_adr_space_setup
+								setup,
+								void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_remove_address_space_handler(acpi_handle
+							       device,
+							       acpi_adr_space_type
+							       space_id,
+							       acpi_adr_space_handler
+							       handler))
 #ifdef ACPI_FUTURE_USAGE
-acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_exception_handler
+			     (acpi_exception_handler handler))
 #endif
-
-acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_install_interface_handler
+			     (acpi_interface_handler handler))
 
 /*
  * Global Lock interfaces
@@ -351,10 +608,14 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 /*
  * Interfaces to AML mutex objects
  */
-acpi_status
-acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_acquire_mutex(acpi_handle handle,
+					       acpi_string pathname,
+					       u16 timeout))
 
-acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_release_mutex(acpi_handle handle,
+					       acpi_string pathname))
 
 /*
  * Fixed Event interfaces
@@ -434,57 +695,69 @@ typedef
 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
 					   void *context);
 
-acpi_status
-acpi_get_vendor_resource(acpi_handle device,
-			 char *name,
-			 struct acpi_vendor_uuid *uuid,
-			 struct acpi_buffer *ret_buffer);
-
-acpi_status
-acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
-
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_vendor_resource(acpi_handle device,
+						     char *name,
+						     struct acpi_vendor_uuid
+						     *uuid,
+						     struct acpi_buffer
+						     *ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_current_resources(acpi_handle device,
+							struct acpi_buffer
+							*ret_buffer))
 #ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_possible_resources(acpi_handle device,
+							 struct acpi_buffer
+							 *ret_buffer))
 #endif
-
-acpi_status
-acpi_get_event_resources(acpi_handle device_handle,
-			 struct acpi_buffer *ret_buffer);
-
-acpi_status
-acpi_walk_resource_buffer(struct acpi_buffer *buffer,
-			  acpi_walk_resource_callback user_function,
-			  void *context);
-
-acpi_status
-acpi_walk_resources(acpi_handle device,
-		    char *name,
-		    acpi_walk_resource_callback user_function, void *context);
-
-acpi_status
-acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
-
-acpi_status
-acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
-
-acpi_status
-acpi_resource_to_address64(struct acpi_resource *resource,
-			   struct acpi_resource_address64 *out);
-
-acpi_status
-acpi_buffer_to_resource(u8 *aml_buffer,
-			u16 aml_buffer_length,
-			struct acpi_resource **resource_ptr);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_event_resources(acpi_handle device_handle,
+						      struct acpi_buffer
+						      *ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_walk_resource_buffer(struct acpi_buffer
+						       *buffer,
+						       acpi_walk_resource_callback
+						       user_function,
+						       void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_walk_resources(acpi_handle device, char *name,
+						 acpi_walk_resource_callback
+						 user_function, void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_set_current_resources(acpi_handle device,
+							struct acpi_buffer
+							*in_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_get_irq_routing_table(acpi_handle device,
+							struct acpi_buffer
+							*ret_buffer))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_resource_to_address64(struct acpi_resource
+							*resource,
+							struct
+							acpi_resource_address64
+							*out))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			     acpi_buffer_to_resource(u8 *aml_buffer,
+						     u16 aml_buffer_length,
+						     struct acpi_resource
+						     **resource_ptr))
 
 /*
  * Hardware (ACPI device) interfaces
  */
-acpi_status acpi_reset(void);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
 
-acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_read(u64 *value,
+				      struct acpi_generic_address *reg))
 
-acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_write(u64 value,
+				       struct acpi_generic_address *reg))
 
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_read_bit_register(u32 register_id,
@@ -497,18 +770,20 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 /*
  * Sleep/Wake interfaces
  */
-acpi_status
-acpi_get_sleep_type_data(u8 sleep_state, u8 *slp_typ_a, u8 *slp_typ_b);
-
-acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_get_sleep_type_data(u8 sleep_state,
+						     u8 *slp_typ_a,
+						     u8 *slp_typ_b))
 
-acpi_status acpi_enter_sleep_state(u8 sleep_state);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_enter_sleep_state_prep(u8 sleep_state))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
 
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
 
-acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
-
-acpi_status acpi_leave_sleep_state(u8 sleep_state);
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+			    acpi_leave_sleep_state_prep(u8 sleep_state))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
 
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_set_firmware_waking_vector(u32
@@ -535,53 +810,72 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 /*
  * Error/Warning output
  */
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_error(const char *module_name, u32 line_number, const char *format, ...);
-
-ACPI_PRINTF_LIKE(4)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_exception(const char *module_name,
-	       u32 line_number, acpi_status status, const char *format, ...);
-
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_warning(const char *module_name, u32 line_number, const char *format, ...);
-
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_info(const char *module_name, u32 line_number, const char *format, ...);
-
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_bios_error(const char *module_name,
-		u32 line_number, const char *format, ...);
-
-ACPI_PRINTF_LIKE(3)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_bios_warning(const char *module_name,
-		  u32 line_number, const char *format, ...);
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+			       void ACPI_INTERNAL_VAR_XFACE
+			       acpi_error(const char *module_name,
+					  u32 line_number,
+					  const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_exception(const char *module_name,
+					       u32 line_number,
+					       acpi_status status,
+					       const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_warning(const char *module_name,
+					     u32 line_number,
+					     const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_info(const char *module_name,
+					  u32 line_number,
+					  const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_bios_error(const char *module_name,
+						u32 line_number,
+						const char *format, ...))
+ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_bios_warning(const char *module_name,
+						  u32 line_number,
+						  const char *format, ...))
 
 /*
  * Debug output
  */
-#ifdef ACPI_DEBUG_OUTPUT
+ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
+			       void ACPI_INTERNAL_VAR_XFACE
+			       acpi_debug_print(u32 requested_debug_level,
+						u32 line_number,
+						const char *function_name,
+						const char *module_name,
+						u32 component_id,
+						const char *format, ...))
+ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
+				void ACPI_INTERNAL_VAR_XFACE
+				acpi_debug_print_raw(u32 requested_debug_level,
+						     u32 line_number,
+						     const char *function_name,
+						     const char *module_name,
+						     u32 component_id,
+						     const char *format, ...))
 
-ACPI_PRINTF_LIKE(6)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_debug_print(u32 requested_debug_level,
-		 u32 line_number,
-		 const char *function_name,
-		 const char *module_name,
-		 u32 component_id, const char *format, ...);
-
-ACPI_PRINTF_LIKE(6)
-void ACPI_INTERNAL_VAR_XFACE
-acpi_debug_print_raw(u32 requested_debug_level,
-		     u32 line_number,
-		     const char *function_name,
-		     const char *module_name,
-		     u32 component_id, const char *format, ...);
-#endif
+/*
+ * Divergences
+ */
+acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
+
+acpi_status acpi_unload_table_id(acpi_owner_id id);
+
+acpi_status
+acpi_get_table_with_size(acpi_string signature,
+	       u32 instance, struct acpi_table_header **out_table,
+	       acpi_size *tbl_size);
+
+acpi_status
+acpi_get_data_full(acpi_handle object, acpi_object_handler handler, void **data,
+		   void (*callback)(void *));
 
 #endif				/* __ACXFACE_H__ */
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 3b30e36b53b5..1cc7ef13c01a 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -367,12 +367,11 @@ struct acpi_table_desc {
 
 /* Masks for Flags field above */
 
-#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
-#define ACPI_TABLE_ORIGIN_MAPPED        (1)
-#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
-#define ACPI_TABLE_ORIGIN_OVERRIDE      (4)
-#define ACPI_TABLE_ORIGIN_MASK          (7)
-#define ACPI_TABLE_IS_LOADED            (8)
+#define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL  (0)	/* Virtual address, external maintained */
+#define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1)	/* Physical address, internally mapped */
+#define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL  (2)	/* Virtual address, internallly allocated */
+#define ACPI_TABLE_ORIGIN_MASK              (3)
+#define ACPI_TABLE_IS_LOADED                (8)
 
 /*
  * Get the remaining ACPI tables
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 212c65de75df..4ad7da805180 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -675,7 +675,7 @@ enum acpi_madt_type {
 };
 
 /*
- * MADT Sub-tables, correspond to Type in struct acpi_subtable_header
+ * MADT Subtables, correspond to Type in struct acpi_subtable_header
  */
 
 /* 0: Processor Local APIC */
@@ -918,7 +918,7 @@ enum acpi_srat_type {
 };
 
 /*
- * SRAT Sub-tables, correspond to Type in struct acpi_subtable_header
+ * SRAT Subtables, correspond to Type in struct acpi_subtable_header
  */
 
 /* 0: Processor Local APIC/SAPIC Affinity */
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index c8adad9c6b6a..860e5c883eb3 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -70,6 +70,7 @@
 #define ACPI_SIG_HPET           "HPET"	/* High Precision Event Timer table */
 #define ACPI_SIG_IBFT           "IBFT"	/* iSCSI Boot Firmware Table */
 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
+#define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
 #define ACPI_SIG_MTMR           "MTMR"	/* MID Timer table */
@@ -456,7 +457,7 @@ struct acpi_dmar_pci_path {
 };
 
 /*
- * DMAR Sub-tables, correspond to Type in struct acpi_dmar_header
+ * DMAR Subtables, correspond to Type in struct acpi_dmar_header
  */
 
 /* 0: Hardware Unit Definition */
@@ -820,7 +821,71 @@ struct acpi_ivrs_memory {
 
 /*******************************************************************************
  *
- * MCFG - PCI Memory Mapped Configuration table and sub-table
+ * LPIT - Low Power Idle Table
+ *
+ * Conforms to "ACPI Low Power Idle Table (LPIT) and _LPD Proposal (DRAFT)"
+ *
+ ******************************************************************************/
+
+struct acpi_table_lpit {
+	struct acpi_table_header header;	/* Common ACPI table header */
+};
+
+/* LPIT subtable header */
+
+struct acpi_lpit_header {
+	u32 type;		/* Subtable type */
+	u32 length;		/* Subtable length */
+	u16 unique_id;
+	u16 reserved;
+	u32 flags;
+};
+
+/* Values for subtable Type above */
+
+enum acpi_lpit_type {
+	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
+	ACPI_LPIT_TYPE_SIMPLE_IO = 0x01
+};
+
+/* Masks for Flags field above  */
+
+#define ACPI_LPIT_STATE_DISABLED    (1)
+#define ACPI_LPIT_NO_COUNTER        (1<<1)
+
+/*
+ * LPIT subtables, correspond to Type in struct acpi_lpit_header
+ */
+
+/* 0x00: Native C-state instruction based LPI structure */
+
+struct acpi_lpit_native {
+	struct acpi_lpit_header header;
+	struct acpi_generic_address entry_trigger;
+	u32 residency;
+	u32 latency;
+	struct acpi_generic_address residency_counter;
+	u64 counter_frequency;
+};
+
+/* 0x01: Simple I/O based LPI structure */
+
+struct acpi_lpit_io {
+	struct acpi_lpit_header header;
+	struct acpi_generic_address entry_trigger;
+	u32 trigger_action;
+	u64 trigger_value;
+	u64 trigger_mask;
+	struct acpi_generic_address minimum_idle_state;
+	u32 residency;
+	u32 latency;
+	struct acpi_generic_address residency_counter;
+	u64 counter_frequency;
+};
+
+/*******************************************************************************
+ *
+ * MCFG - PCI Memory Mapped Configuration table and subtable
  *        Version 1
  *
  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
@@ -923,7 +988,7 @@ enum acpi_slic_type {
 };
 
 /*
- * SLIC Sub-tables, correspond to Type in struct acpi_slic_header
+ * SLIC Subtables, correspond to Type in struct acpi_slic_header
  */
 
 /* 0: Public Key Structure */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index e76356574374..19b26bb69a70 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -329,6 +329,15 @@ typedef u32 acpi_physical_address;
  *
  ******************************************************************************/
 
+#ifdef ACPI_NO_MEM_ALLOCATIONS
+
+#define ACPI_ALLOCATE(a)                NULL
+#define ACPI_ALLOCATE_ZEROED(a)         NULL
+#define ACPI_FREE(a)
+#define ACPI_MEM_TRACKING(a)
+
+#else				/* ACPI_NO_MEM_ALLOCATIONS */
+
 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 /*
  * Memory allocation tracking (used by acpi_exec to detect memory leaks)
@@ -350,6 +359,8 @@ typedef u32 acpi_physical_address;
 
 #endif				/* ACPI_DBG_TRACK_ALLOCATIONS */
 
+#endif				/* ACPI_NO_MEM_ALLOCATIONS */
+
 /******************************************************************************
  *
  * ACPI Specification constants (Do not change unless the specification changes)
@@ -928,9 +939,19 @@ struct acpi_object_list {
  * Miscellaneous common Data Structures used by the interfaces
  */
 #define ACPI_NO_BUFFER              0
+
+#ifdef ACPI_NO_MEM_ALLOCATIONS
+
+#define ACPI_ALLOCATE_BUFFER        (acpi_size) (0)
+#define ACPI_ALLOCATE_LOCAL_BUFFER  (acpi_size) (0)
+
+#else				/* ACPI_NO_MEM_ALLOCATIONS */
+
 #define ACPI_ALLOCATE_BUFFER        (acpi_size) (-1)	/* Let ACPICA allocate buffer */
 #define ACPI_ALLOCATE_LOCAL_BUFFER  (acpi_size) (-2)	/* For internal use only (enables tracking) */
 
+#endif				/* ACPI_NO_MEM_ALLOCATIONS */
+
 struct acpi_buffer {
 	acpi_size length;	/* Length in bytes of the buffer */
 	void *pointer;		/* pointer to buffer */
diff --git a/include/acpi/platform/acenvex.h b/include/acpi/platform/acenvex.h
new file mode 100644
index 000000000000..2b612384c994
--- /dev/null
+++ b/include/acpi/platform/acenvex.h
@@ -0,0 +1,63 @@
+/******************************************************************************
+ *
+ * Name: acenvex.h - Extra host and compiler configuration
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#ifndef __ACENVEX_H__
+#define __ACENVEX_H__
+
+/*! [Begin] no source code translation */
+
+/******************************************************************************
+ *
+ * Extra host configuration files. All ACPICA headers are included before
+ * including these files.
+ *
+ *****************************************************************************/
+
+#if defined(_LINUX) || defined(__linux__)
+#include <acpi/platform/aclinuxex.h>
+
+#endif
+
+/*! [End] no source code translation !*/
+
+#endif				/* __ACENVEX_H__ */
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index a476b9118b49..384875da3713 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -64,4 +64,15 @@
  */
 #define ACPI_UNUSED_VAR __attribute__ ((unused))
 
+/*
+ * Some versions of gcc implement strchr() with a buggy macro. So,
+ * undef it here. Prevents error messages of this form (usually from the
+ * file getopt.c):
+ *
+ * error: logical '&&' with non-zero constant will always evaluate as true
+ */
+#ifdef strchr
+#undef strchr
+#endif
+
 #endif				/* __ACGCC_H__ */
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 93c55ed7c53d..cd1f052d55bb 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -48,7 +48,6 @@
 
 #define ACPI_USE_SYSTEM_CLIBRARY
 #define ACPI_USE_DO_WHILE_0
-#define ACPI_MUTEX_TYPE             ACPI_BINARY_SEMAPHORE
 
 #ifdef __KERNEL__
 
@@ -71,169 +70,65 @@
 #ifdef EXPORT_ACPI_INTERFACES
 #include <linux/export.h>
 #endif
-#include <asm/acpi.h>
+#include <asm/acenv.h>
 
-/* Host-dependent types and defines for in-kernel ACPICA */
+#ifndef CONFIG_ACPI
 
-#define ACPI_MACHINE_WIDTH          BITS_PER_LONG
-#define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
-#define strtoul                     simple_strtoul
+/* External globals for __KERNEL__, stubs is needed */
 
-#define acpi_cache_t                        struct kmem_cache
-#define acpi_spinlock                       spinlock_t *
-#define acpi_cpu_flags                      unsigned long
+#define ACPI_GLOBAL(t,a)
+#define ACPI_INIT_GLOBAL(t,a,b)
 
-#else				/* !__KERNEL__ */
+/* Generating stubs for configurable ACPICA macros */
 
-#include <stdarg.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <unistd.h>
+#define ACPI_NO_MEM_ALLOCATIONS
 
-/* Disable kernel specific declarators */
+/* Generating stubs for configurable ACPICA functions */
 
-#ifndef __init
-#define __init
-#endif
-
-#ifndef __iomem
-#define __iomem
-#endif
+#define ACPI_NO_ERROR_MESSAGES
+#undef ACPI_DEBUG_OUTPUT
 
-/* Host-dependent types and defines for user-space ACPICA */
-
-#define ACPI_FLUSH_CPU_CACHE()
-#define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
+/* External interface for __KERNEL__, stub is needed */
 
-#if defined(__ia64__) || defined(__x86_64__) || defined(__aarch64__)
-#define ACPI_MACHINE_WIDTH          64
-#define COMPILER_DEPENDENT_INT64    long
-#define COMPILER_DEPENDENT_UINT64   unsigned long
-#else
-#define ACPI_MACHINE_WIDTH          32
-#define COMPILER_DEPENDENT_INT64    long long
-#define COMPILER_DEPENDENT_UINT64   unsigned long long
-#define ACPI_USE_NATIVE_DIVIDE
-#endif
+#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
+	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
+#define ACPI_EXTERNAL_RETURN_OK(prototype) \
+	static ACPI_INLINE prototype {return(AE_OK);}
+#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
+#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
+	static ACPI_INLINE prototype {return(0);}
+#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
+	static ACPI_INLINE prototype {return(NULL);}
 
-#ifndef __cdecl
-#define __cdecl
-#endif
+#endif				/* CONFIG_ACPI */
 
-#endif				/* __KERNEL__ */
+/* Host-dependent types and defines for in-kernel ACPICA */
 
-/* Linux uses GCC */
+#define ACPI_MACHINE_WIDTH          BITS_PER_LONG
+#define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
+#define strtoul                     simple_strtoul
 
-#include <acpi/platform/acgcc.h>
+#define acpi_cache_t                        struct kmem_cache
+#define acpi_spinlock                       spinlock_t *
+#define acpi_cpu_flags                      unsigned long
 
-#ifdef __KERNEL__
+/* Use native linux version of acpi_os_allocate_zeroed */
 
-/*
- * FIXME: Inclusion of actypes.h
- * Linux kernel need this before defining inline OSL interfaces as
- * actypes.h need to be included to find ACPICA type definitions.
- * Since from ACPICA's perspective, the actypes.h should be included after
- * acenv.h (aclinux.h), this leads to a inclusion mis-ordering issue.
- */
-#include <acpi/actypes.h>
+#define USE_NATIVE_ALLOCATE_ZEROED
 
 /*
  * Overrides for in-kernel ACPICA
  */
-acpi_status __init acpi_os_initialize(void);
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
-
-acpi_status acpi_os_terminate(void);
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
-
-/*
- * Memory allocation/deallocation
- */
-
-/*
- * The irqs_disabled() check is for resume from RAM.
- * Interrupts are off during resume, just like they are for boot.
- * However, boot has  (system_state != SYSTEM_RUNNING)
- * to quiet __might_sleep() in kmalloc() and resume does not.
- */
-static inline void *acpi_os_allocate(acpi_size size)
-{
-	return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
-
-/* Use native linux version of acpi_os_allocate_zeroed */
-
-static inline void *acpi_os_allocate_zeroed(acpi_size size)
-{
-	return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
-#define USE_NATIVE_ALLOCATE_ZEROED
-
-static inline void acpi_os_free(void *memory)
-{
-	kfree(memory);
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
-
-static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
-{
-	return kmem_cache_zalloc(cache,
-				 irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
-
-static inline acpi_thread_id acpi_os_get_thread_id(void)
-{
-	return (acpi_thread_id) (unsigned long)current;
-}
-
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
-
-#ifndef CONFIG_PREEMPT
-
-/*
- * Used within ACPICA to show where it is safe to preempt execution
- * when CONFIG_PREEMPT=n
- */
-#define ACPI_PREEMPTION_POINT() \
-	do { \
-		if (!irqs_disabled()) \
-			cond_resched(); \
-	} while (0)
-
-#endif
-
-/*
- * When lockdep is enabled, the spin_lock_init() macro stringifies it's
- * argument and uses that as a name for the lock in debugging.
- * By executing spin_lock_init() in a macro the key changes from "lock" for
- * all locks to the name of the argument of acpi_os_create_lock(), which
- * prevents lockdep from reporting false positives for ACPICA locks.
- */
-#define acpi_os_create_lock(__handle) \
-	({ \
-		spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
-		if (lock) { \
-			*(__handle) = lock; \
-			spin_lock_init(*(__handle)); \
-		} \
-		lock ? AE_OK : AE_NO_MEMORY; \
-	})
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
 
-void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
-#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
-
-void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
-#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
-
 /*
  * OSL interfaces used by debugger/disassembler
  */
@@ -252,11 +147,45 @@ void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
 
-/*
- * OSL interfaces added by Linux
- */
-void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
+#else				/* !__KERNEL__ */
+
+#include <stdarg.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <unistd.h>
+
+/* Define/disable kernel-specific declarators */
+
+#ifndef __init
+#define __init
+#endif
+
+/* Host-dependent types and defines for user-space ACPICA */
+
+#define ACPI_FLUSH_CPU_CACHE()
+#define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
+
+#if defined(__ia64__)    || defined(__x86_64__) ||\
+	defined(__aarch64__) || defined(__PPC64__)
+#define ACPI_MACHINE_WIDTH          64
+#define COMPILER_DEPENDENT_INT64    long
+#define COMPILER_DEPENDENT_UINT64   unsigned long
+#else
+#define ACPI_MACHINE_WIDTH          32
+#define COMPILER_DEPENDENT_INT64    long long
+#define COMPILER_DEPENDENT_UINT64   unsigned long long
+#define ACPI_USE_NATIVE_DIVIDE
+#endif
+
+#ifndef __cdecl
+#define __cdecl
+#endif
 
 #endif				/* __KERNEL__ */
 
+/* Linux uses GCC */
+
+#include <acpi/platform/acgcc.h>
+
 #endif				/* __ACLINUX_H__ */
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h
new file mode 100644
index 000000000000..191e741cfa0e
--- /dev/null
+++ b/include/acpi/platform/aclinuxex.h
@@ -0,0 +1,112 @@
+/******************************************************************************
+ *
+ * Name: aclinuxex.h - Extra OS specific defines, etc. for Linux
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, 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.
+ */
+
+#ifndef __ACLINUXEX_H__
+#define __ACLINUXEX_H__
+
+#ifdef __KERNEL__
+
+/*
+ * Overrides for in-kernel ACPICA
+ */
+acpi_status __init acpi_os_initialize(void);
+
+acpi_status acpi_os_terminate(void);
+
+/*
+ * The irqs_disabled() check is for resume from RAM.
+ * Interrupts are off during resume, just like they are for boot.
+ * However, boot has  (system_state != SYSTEM_RUNNING)
+ * to quiet __might_sleep() in kmalloc() and resume does not.
+ */
+static inline void *acpi_os_allocate(acpi_size size)
+{
+	return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline void *acpi_os_allocate_zeroed(acpi_size size)
+{
+	return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline void acpi_os_free(void *memory)
+{
+	kfree(memory);
+}
+
+static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
+{
+	return kmem_cache_zalloc(cache,
+				 irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline acpi_thread_id acpi_os_get_thread_id(void)
+{
+	return (acpi_thread_id) (unsigned long)current;
+}
+
+/*
+ * When lockdep is enabled, the spin_lock_init() macro stringifies it's
+ * argument and uses that as a name for the lock in debugging.
+ * By executing spin_lock_init() in a macro the key changes from "lock" for
+ * all locks to the name of the argument of acpi_os_create_lock(), which
+ * prevents lockdep from reporting false positives for ACPICA locks.
+ */
+#define acpi_os_create_lock(__handle) \
+	({ \
+		spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
+		if (lock) { \
+			*(__handle) = lock; \
+			spin_lock_init(*(__handle)); \
+		} \
+		lock ? AE_OK : AE_NO_MEMORY; \
+	})
+
+/*
+ * OSL interfaces added by Linux
+ */
+void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
+
+#endif				/* __KERNEL__ */
+
+#endif				/* __ACLINUXEX_H__ */
diff --git a/include/acpi/video.h b/include/acpi/video.h
index 61109f2609fc..ea4c7bbded4d 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -19,11 +19,13 @@ struct acpi_device;
 #if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
 extern int acpi_video_register(void);
 extern void acpi_video_unregister(void);
+extern void acpi_video_unregister_backlight(void);
 extern int acpi_video_get_edid(struct acpi_device *device, int type,
 			       int device_id, void **edid);
 #else
 static inline int acpi_video_register(void) { return 0; }
 static inline void acpi_video_unregister(void) { return; }
+static inline void acpi_video_unregister_backlight(void) { return; }
 static inline int acpi_video_get_edid(struct acpi_device *device, int type,
 				      int device_id, void **edid)
 {
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 7a8f2cd66c8b..358c01b971db 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -37,6 +37,7 @@
 
 #include <linux/list.h>
 #include <linux/mod_devicetable.h>
+#include <linux/dynamic_debug.h>
 
 #include <acpi/acpi.h>
 #include <acpi/acpi_bus.h>
@@ -184,6 +185,8 @@ extern int ec_transaction(u8 command,
                           u8 *rdata, unsigned rdata_len);
 extern acpi_handle ec_get_handle(void);
 
+extern bool acpi_is_pnp_device(struct acpi_device *);
+
 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
 
 typedef void (*wmi_notify_handler) (u32 value, void *context);
@@ -554,14 +557,20 @@ static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
 int acpi_dev_suspend_late(struct device *dev);
 int acpi_dev_resume_early(struct device *dev);
 int acpi_subsys_prepare(struct device *dev);
+void acpi_subsys_complete(struct device *dev);
 int acpi_subsys_suspend_late(struct device *dev);
 int acpi_subsys_resume_early(struct device *dev);
+int acpi_subsys_suspend(struct device *dev);
+int acpi_subsys_freeze(struct device *dev);
 #else
 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
+static inline void acpi_subsys_complete(struct device *dev) {}
 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
+static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
+static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
 #endif
 
 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
@@ -589,6 +598,14 @@ static inline __printf(3, 4) void
 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 #endif	/* !CONFIG_ACPI */
 
+#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
+__printf(3, 4)
+void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
+#else
+#define __acpi_handle_debug(descriptor, handle, fmt, ...)		\
+	acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
+#endif
+
 /*
  * acpi_handle_<level>: Print message with ACPI prefix and object path
  *
@@ -610,11 +627,19 @@ acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 #define acpi_handle_info(handle, fmt, ...)				\
 	acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
 
-/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */
-#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
+#if defined(DEBUG)
 #define acpi_handle_debug(handle, fmt, ...)				\
 	acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
 #else
+#if defined(CONFIG_DYNAMIC_DEBUG)
+#define acpi_handle_debug(handle, fmt, ...)				\
+do {									\
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
+	if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))		\
+		__acpi_handle_debug(&descriptor, handle, pr_fmt(fmt),	\
+				##__VA_ARGS__);				\
+} while (0)
+#else
 #define acpi_handle_debug(handle, fmt, ...)				\
 ({									\
 	if (0)								\
@@ -622,5 +647,6 @@ acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
 	0;								\
 })
 #endif
+#endif
 
 #endif	/*_LINUX_ACPI_H*/
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 72647429adf6..adb14a8616df 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -40,6 +40,11 @@ enum backlight_type {
 	BACKLIGHT_TYPE_MAX,
 };
 
+enum backlight_notification {
+	BACKLIGHT_REGISTERED,
+	BACKLIGHT_UNREGISTERED,
+};
+
 struct backlight_device;
 struct fb_info;
 
@@ -133,6 +138,8 @@ extern void devm_backlight_device_unregister(struct device *dev,
 extern void backlight_force_update(struct backlight_device *bd,
 				   enum backlight_update_reason reason);
 extern bool backlight_device_registered(enum backlight_type type);
+extern int backlight_register_notifier(struct notifier_block *nb);
+extern int backlight_unregister_notifier(struct notifier_block *nb);
 
 #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev)
 
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 511917416fb0..fb4eca6907cd 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -413,6 +413,37 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
 		unsigned int mult, unsigned int div);
 
+/**
+ * struct clk_fractional_divider - adjustable fractional divider clock
+ *
+ * @hw:		handle between common and hardware-specific interfaces
+ * @reg:	register containing the divider
+ * @mshift:	shift to the numerator bit field
+ * @mwidth:	width of the numerator bit field
+ * @nshift:	shift to the denominator bit field
+ * @nwidth:	width of the denominator bit field
+ * @lock:	register lock
+ *
+ * Clock with adjustable fractional divider affecting its output frequency.
+ */
+
+struct clk_fractional_divider {
+	struct clk_hw	hw;
+	void __iomem	*reg;
+	u8		mshift;
+	u32		mmask;
+	u8		nshift;
+	u32		nmask;
+	u8		flags;
+	spinlock_t	*lock;
+};
+
+extern const struct clk_ops clk_fractional_divider_ops;
+struct clk *clk_register_fractional_divider(struct device *dev,
+		const char *name, const char *parent_name, unsigned long flags,
+		void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth,
+		u8 clk_divider_flags, spinlock_t *lock);
+
 /***
  * struct clk_composite - aggregate clock of mux, divider and gate clocks
  *
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index b0238cba440b..c51a436135c4 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -120,8 +120,6 @@ struct cpuidle_driver {
 #ifdef CONFIG_CPU_IDLE
 extern void disable_cpuidle(void);
 
-extern int cpuidle_enabled(struct cpuidle_driver *drv,
-			  struct cpuidle_device *dev);
 extern int cpuidle_select(struct cpuidle_driver *drv,
 			  struct cpuidle_device *dev);
 extern int cpuidle_enter(struct cpuidle_driver *drv,
@@ -145,13 +143,11 @@ extern void cpuidle_resume(void);
 extern int cpuidle_enable_device(struct cpuidle_device *dev);
 extern void cpuidle_disable_device(struct cpuidle_device *dev);
 extern int cpuidle_play_dead(void);
+extern void cpuidle_use_deepest_state(bool enable);
 
 extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev);
 #else
 static inline void disable_cpuidle(void) { }
-static inline int cpuidle_enabled(struct cpuidle_driver *drv,
-				  struct cpuidle_device *dev)
-{return -ENODEV; }
 static inline int cpuidle_select(struct cpuidle_driver *drv,
 				 struct cpuidle_device *dev)
 {return -ENODEV; }
@@ -180,6 +176,7 @@ static inline int cpuidle_enable_device(struct cpuidle_device *dev)
 {return -ENODEV; }
 static inline void cpuidle_disable_device(struct cpuidle_device *dev) { }
 static inline int cpuidle_play_dead(void) {return -ENODEV; }
+static inline void cpuidle_use_deepest_state(bool enable) {}
 static inline struct cpuidle_driver *cpuidle_get_cpu_driver(
 	struct cpuidle_device *dev) {return NULL; }
 #endif
diff --git a/include/linux/pm.h b/include/linux/pm.h
index d915d0345fa1..72c0fe098a27 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -93,13 +93,23 @@ typedef struct pm_message {
  *	been registered) to recover from the race condition.
  *	This method is executed for all kinds of suspend transitions and is
  *	followed by one of the suspend callbacks: @suspend(), @freeze(), or
- *	@poweroff().  The PM core executes subsystem-level @prepare() for all
- *	devices before starting to invoke suspend callbacks for any of them, so
- *	generally devices may be assumed to be functional or to respond to
- *	runtime resume requests while @prepare() is being executed.  However,
- *	device drivers may NOT assume anything about the availability of user
- *	space at that time and it is NOT valid to request firmware from within
- *	@prepare() (it's too late to do that).  It also is NOT valid to allocate
+ *	@poweroff().  If the transition is a suspend to memory or standby (that
+ *	is, not related to hibernation), the return value of @prepare() may be
+ *	used to indicate to the PM core to leave the device in runtime suspend
+ *	if applicable.  Namely, if @prepare() returns a positive number, the PM
+ *	core will understand that as a declaration that the device appears to be
+ *	runtime-suspended and it may be left in that state during the entire
+ *	transition and during the subsequent resume if all of its descendants
+ *	are left in runtime suspend too.  If that happens, @complete() will be
+ *	executed directly after @prepare() and it must ensure the proper
+ *	functioning of the device after the system resume.
+ *	The PM core executes subsystem-level @prepare() for all devices before
+ *	starting to invoke suspend callbacks for any of them, so generally
+ *	devices may be assumed to be functional or to respond to runtime resume
+ *	requests while @prepare() is being executed.  However, device drivers
+ *	may NOT assume anything about the availability of user space at that
+ *	time and it is NOT valid to request firmware from within @prepare()
+ *	(it's too late to do that).  It also is NOT valid to allocate
  *	substantial amounts of memory from @prepare() in the GFP_KERNEL mode.
  *	[To work around these limitations, drivers may register suspend and
  *	hibernation notifiers to be executed before the freezing of tasks.]
@@ -112,7 +122,16 @@ typedef struct pm_message {
  *	of the other devices that the PM core has unsuccessfully attempted to
  *	suspend earlier).
  *	The PM core executes subsystem-level @complete() after it has executed
- *	the appropriate resume callbacks for all devices.
+ *	the appropriate resume callbacks for all devices.  If the corresponding
+ *	@prepare() at the beginning of the suspend transition returned a
+ *	positive number and the device was left in runtime suspend (without
+ *	executing any suspend and resume callbacks for it), @complete() will be
+ *	the only callback executed for the device during resume.  In that case,
+ *	@complete() must be prepared to do whatever is necessary to ensure the
+ *	proper functioning of the device after the system resume.  To this end,
+ *	@complete() can check the power.direct_complete flag of the device to
+ *	learn whether (unset) or not (set) the previous suspend and resume
+ *	callbacks have been executed for it.
  *
  * @suspend: Executed before putting the system into a sleep state in which the
  *	contents of main memory are preserved.  The exact action to perform
@@ -546,6 +565,7 @@ struct dev_pm_info {
 	bool			is_late_suspended:1;
 	bool			ignore_children:1;
 	bool			early_init:1;	/* Owned by the PM core */
+	bool			direct_complete:1;	/* Owned by the PM core */
 	spinlock_t		lock;
 #ifdef CONFIG_PM_SLEEP
 	struct list_head	entry;
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 2a5897a4afbc..43fd6716f662 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -101,6 +101,11 @@ static inline bool pm_runtime_status_suspended(struct device *dev)
 	return dev->power.runtime_status == RPM_SUSPENDED;
 }
 
+static inline bool pm_runtime_suspended_if_enabled(struct device *dev)
+{
+	return pm_runtime_status_suspended(dev) && dev->power.disable_depth == 1;
+}
+
 static inline bool pm_runtime_enabled(struct device *dev)
 {
 	return !dev->power.disable_depth;
@@ -150,6 +155,7 @@ static inline void device_set_run_wake(struct device *dev, bool enable) {}
 static inline bool pm_runtime_suspended(struct device *dev) { return false; }
 static inline bool pm_runtime_active(struct device *dev) { return true; }
 static inline bool pm_runtime_status_suspended(struct device *dev) { return false; }
+static inline bool pm_runtime_suspended_if_enabled(struct device *dev) { return false; }
 static inline bool pm_runtime_enabled(struct device *dev) { return false; }
 
 static inline void pm_runtime_no_callbacks(struct device *dev) {}
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index c9dc4e09854c..f2b76aeaf4e4 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -264,6 +264,8 @@ static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
 
 extern int power_supply_register(struct device *parent,
 				 struct power_supply *psy);
+extern int power_supply_register_no_ws(struct device *parent,
+				 struct power_supply *psy);
 extern void power_supply_unregister(struct power_supply *psy);
 extern int power_supply_powers(struct power_supply *psy, struct device *dev);
 
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index f73cabf59012..91d66fd8dce1 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -187,6 +187,11 @@ struct platform_suspend_ops {
 	void (*recover)(void);
 };
 
+struct platform_freeze_ops {
+	int (*begin)(void);
+	void (*end)(void);
+};
+
 #ifdef CONFIG_SUSPEND
 /**
  * suspend_set_ops - set platform dependent suspend operations
@@ -194,6 +199,7 @@ struct platform_suspend_ops {
  */
 extern void suspend_set_ops(const struct platform_suspend_ops *ops);
 extern int suspend_valid_only_mem(suspend_state_t state);
+extern void freeze_set_ops(const struct platform_freeze_ops *ops);
 extern void freeze_wake(void);
 
 /**
@@ -220,6 +226,7 @@ extern int pm_suspend(suspend_state_t state);
 
 static inline void suspend_set_ops(const struct platform_suspend_ops *ops) {}
 static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; }
+static inline void freeze_set_ops(const struct platform_freeze_ops *ops) {}
 static inline void freeze_wake(void) {}
 #endif /* !CONFIG_SUSPEND */