diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index fb84902..fcc48bf 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -141,6 +141,7 @@
 			ht -- run only enough ACPI to enable Hyper Threading
 			strict -- Be less tolerant of platforms that are not
 				strictly ACPI specification compliant.
+			rsdt -- prefer RSDT over (default) XSDT
 
 			See also Documentation/power/pm.txt, pci=noacpi
 
@@ -151,16 +152,20 @@
 			default: 0
 
 	acpi_sleep=	[HW,ACPI] Sleep options
-			Format: { s3_bios, s3_mode, s3_beep, s4_nohwsig, old_ordering }
-			See Documentation/power/video.txt for s3_bios and s3_mode.
+			Format: { s3_bios, s3_mode, s3_beep, s4_nohwsig,
+				  old_ordering, s4_nonvs }
+			See Documentation/power/video.txt for information on
+			s3_bios and s3_mode.
 			s3_beep is for debugging; it makes the PC's speaker beep
 			as soon as the kernel's real-mode entry point is called.
 			s4_nohwsig prevents ACPI hardware signature from being
 			used during resume from hibernation.
 			old_ordering causes the ACPI 1.0 ordering of the _PTS
-			control method, wrt putting devices into low power
-			states, to be enforced (the ACPI 2.0 ordering of _PTS is
-			used by default).
+			control method, with respect to putting devices into
+			low power states, to be enforced (the ACPI 2.0 ordering
+			of _PTS is used by default).
+			s4_nonvs prevents the kernel from saving/restoring the
+			ACPI NVS memory during hibernation.
 
 	acpi_sci=	[HW,ACPI] ACPI System Control Interrupt trigger mode
 			Format: { level | edge | high | low }
@@ -195,7 +200,7 @@
 	acpi_skip_timer_override [HW,ACPI]
 			Recognize and ignore IRQ0/pin2 Interrupt Override.
 			For broken nForce2 BIOS resulting in XT-PIC timer.
-	acpi_use_timer_override [HW,ACPI}
+	acpi_use_timer_override [HW,ACPI]
 			Use timer override. For some broken Nvidia NF5 boards
 			that require a timer override, but don't have
 			HPET
@@ -878,17 +883,19 @@
 			See Documentation/ide/ide.txt.
 
 	idle=		[X86]
-			Format: idle=poll or idle=mwait, idle=halt, idle=nomwait
-			Poll forces a polling idle loop that can slightly improves the performance
-			of waking up a idle CPU, but will use a lot of power and make the system
-			run hot. Not recommended.
-			idle=mwait. On systems which support MONITOR/MWAIT but the kernel chose
-			to not use it because it doesn't save as much power as a normal idle
-			loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same
-			as idle=poll.
-			idle=halt. Halt is forced to be used for CPU idle.
+			Format: idle=poll, idle=mwait, idle=halt, idle=nomwait
+			Poll forces a polling idle loop that can slightly
+			improve the performance of waking up a idle CPU, but
+			will use a lot of power and make the system run hot.
+			Not recommended.
+			idle=mwait: On systems which support MONITOR/MWAIT but
+			the kernel chose to not use it because it doesn't save
+			as much power as a normal idle loop, use the
+			MONITOR/MWAIT idle loop anyways. Performance should be
+			the same as idle=poll.
+			idle=halt: Halt is forced to be used for CPU idle.
 			In such case C2/C3 won't be used again.
-			idle=nomwait. Disable mwait for CPU C-states
+			idle=nomwait: Disable mwait for CPU C-states
 
 	ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
 			Claim all unknown PCI IDE storage controllers.
@@ -1074,8 +1081,8 @@
 	lapic		[X86-32,APIC] Enable the local APIC even if BIOS
 			disabled it.
 
-	lapic_timer_c2_ok	[X86-32,x86-64,APIC] trust the local apic timer in
-			C2 power state.
+	lapic_timer_c2_ok	[X86-32,x86-64,APIC] trust the local apic timer
+			in C2 power state.
 
 	libata.dma=	[LIBATA] DMA control
 			libata.dma=0	  Disable all PATA and SATA DMA
@@ -2303,7 +2310,8 @@
 
 	thermal.psv=	[HW,ACPI]
 			-1: disable all passive trip points
-			<degrees C>: override all passive trip points to this value
+			<degrees C>: override all passive trip points to this
+			value
 
 	thermal.tzp=	[HW,ACPI]
 			Specify global default ACPI thermal zone polling rate
diff --git a/arch/ia64/include/asm/acpi-ext.h b/arch/ia64/include/asm/acpi-ext.h
index 734d137..7f8362b 100644
--- a/arch/ia64/include/asm/acpi-ext.h
+++ b/arch/ia64/include/asm/acpi-ext.h
@@ -14,7 +14,6 @@
 #define _ASM_IA64_ACPI_EXT_H
 
 #include <linux/types.h>
-#include <acpi/actypes.h>
 
 extern acpi_status hp_acpi_csr_space (acpi_handle, u64 *base, u64 *length);
 
diff --git a/arch/ia64/include/asm/sn/acpi.h b/arch/ia64/include/asm/sn/acpi.h
index 9ce2801..fd480db2 100644
--- a/arch/ia64/include/asm/sn/acpi.h
+++ b/arch/ia64/include/asm/sn/acpi.h
@@ -9,8 +9,6 @@
 #ifndef _ASM_IA64_SN_ACPI_H
 #define _ASM_IA64_SN_ACPI_H
 
-#include "acpi/acglobal.h"
-
 extern int sn_acpi_rev;
 #define SN_ACPI_BASE_SUPPORT()   (sn_acpi_rev >= 0x20101)
 
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 0553648..d541671 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -65,6 +65,7 @@
 void (*pm_power_off) (void);
 EXPORT_SYMBOL(pm_power_off);
 
+u32 acpi_rsdt_forced;
 unsigned int acpi_cpei_override;
 unsigned int acpi_cpei_phys_cpuid;
 
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index bc610a6..c5a2140 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -13,7 +13,6 @@
 #include <asm/sn/sn_sal.h>
 #include "xtalk/hubdev.h"
 #include <linux/acpi.h>
-#include <acpi/acnamesp.h>
 
 
 /*
@@ -64,6 +63,7 @@
 sn_acpi_hubdev_init(acpi_handle handle, u32 depth, void *context, void **ret)
 {
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	u64 addr;
 	struct hubdev_info *hubdev;
 	struct hubdev_info *hubdev_ptr;
@@ -77,11 +77,12 @@
 	status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
 					  &sn_uuid, &buffer);
 	if (ACPI_FAILURE(status)) {
+		acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
 		printk(KERN_ERR
 		       "sn_acpi_hubdev_init: acpi_get_vendor_resource() "
-		       "(0x%x) failed for: ", status);
-		acpi_ns_print_node_pathname(handle, NULL);
-		printk("\n");
+		       "(0x%x) failed for: %s\n", status,
+			(char *)name_buffer.pointer);
+		kfree(name_buffer.pointer);
 		return AE_OK;		/* Continue walking namespace */
 	}
 
@@ -89,11 +90,12 @@
 	vendor = &resource->data.vendor_typed;
 	if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
 	    sizeof(struct hubdev_info *)) {
+		acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
 		printk(KERN_ERR
-		       "sn_acpi_hubdev_init: Invalid vendor data length: %d for: ",
-		        vendor->byte_length);
-		acpi_ns_print_node_pathname(handle, NULL);
-		printk("\n");
+		       "sn_acpi_hubdev_init: Invalid vendor data length: "
+		       "%d for: %s\n",
+			vendor->byte_length, (char *)name_buffer.pointer);
+		kfree(name_buffer.pointer);
 		goto exit;
 	}
 
@@ -120,6 +122,7 @@
 {
 	u64 addr;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	acpi_handle handle;
 	struct pcibus_bussoft *prom_bussoft_ptr;
 	struct acpi_resource *resource;
@@ -131,11 +134,11 @@
 	status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
 					  &sn_uuid, &buffer);
 	if (ACPI_FAILURE(status)) {
+		acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
 		printk(KERN_ERR "%s: "
-		       "acpi_get_vendor_resource() failed (0x%x) for: ",
-		       __func__, status);
-		acpi_ns_print_node_pathname(handle, NULL);
-		printk("\n");
+		       "acpi_get_vendor_resource() failed (0x%x) for: %s\n",
+		       __func__, status, (char *)name_buffer.pointer);
+		kfree(name_buffer.pointer);
 		return NULL;
 	}
 	resource = buffer.pointer;
@@ -168,6 +171,7 @@
 {
 	u64 addr;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	struct sn_irq_info *irq_info, *irq_info_prom;
 	struct pcidev_info *pcidev_ptr, *pcidev_prom_ptr;
 	struct acpi_resource *resource;
@@ -182,11 +186,11 @@
 	status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
 					  &sn_uuid, &buffer);
 	if (ACPI_FAILURE(status)) {
+		acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
 		printk(KERN_ERR
-		       "%s: acpi_get_vendor_resource() failed (0x%x) for: ",
-		        __func__, status);
-		acpi_ns_print_node_pathname(handle, NULL);
-		printk("\n");
+		       "%s: acpi_get_vendor_resource() failed (0x%x) for: %s\n",
+			__func__, status, (char *)name_buffer.pointer);
+		kfree(name_buffer.pointer);
 		return 1;
 	}
 
@@ -194,11 +198,12 @@
 	vendor = &resource->data.vendor_typed;
 	if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
 	    sizeof(struct pci_devdev_info *)) {
+		acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
 		printk(KERN_ERR
-		       "%s: Invalid vendor data length: %d for: ",
-		        __func__, vendor->byte_length);
-		acpi_ns_print_node_pathname(handle, NULL);
-		printk("\n");
+		       "%s: Invalid vendor data length: %d for: %s\n",
+			 __func__, vendor->byte_length,
+			(char *)name_buffer.pointer);
+		kfree(name_buffer.pointer);
 		ret = 1;
 		goto exit;
 	}
@@ -239,6 +244,9 @@
 	acpi_handle parent;
 	int slot;
 	acpi_status status;
+	struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+
+	acpi_get_name(device_handle, ACPI_FULL_PATHNAME, &name_buffer);
 
 	/*
 	 * Do an upward search to find the root bus device, and
@@ -249,9 +257,8 @@
 		status = acpi_get_parent(child, &parent);
 		if (ACPI_FAILURE(status)) {
 			printk(KERN_ERR "%s: acpi_get_parent() failed "
-			       "(0x%x) for: ", __func__, status);
-			acpi_ns_print_node_pathname(child, NULL);
-			printk("\n");
+			       "(0x%x) for: %s\n", __func__, status,
+				(char *)name_buffer.pointer);
 			panic("%s: Unable to find host devfn\n", __func__);
 		}
 		if (parent == rootbus_handle)
@@ -259,22 +266,20 @@
 		child = parent;
 	}
 	if (!child) {
-		printk(KERN_ERR "%s: Unable to find root bus for: ",
-		       __func__);
-		acpi_ns_print_node_pathname(device_handle, NULL);
-		printk("\n");
+		printk(KERN_ERR "%s: Unable to find root bus for: %s\n",
+		       __func__, (char *)name_buffer.pointer);
 		BUG();
 	}
 
 	status = acpi_evaluate_integer(child, METHOD_NAME__ADR, NULL, &adr);
 	if (ACPI_FAILURE(status)) {
-		printk(KERN_ERR "%s: Unable to get _ADR (0x%x) for: ",
-		       __func__, status);
-		acpi_ns_print_node_pathname(child, NULL);
-		printk("\n");
+		printk(KERN_ERR "%s: Unable to get _ADR (0x%x) for: %s\n",
+		       __func__, status, (char *)name_buffer.pointer);
 		panic("%s: Unable to find host devfn\n", __func__);
 	}
 
+	kfree(name_buffer.pointer);
+
 	slot = (adr >> 16) & 0xffff;
 	function = adr & 0xffff;
 	devfn = PCI_DEVFN(slot, function);
@@ -300,27 +305,28 @@
 	int function;
 	int slot;
 	struct sn_pcidev_match *info = context;
+	struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
         status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL,
                                        &adr);
         if (ACPI_SUCCESS(status)) {
 		status = acpi_get_parent(handle, &parent);
 		if (ACPI_FAILURE(status)) {
+			acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
 			printk(KERN_ERR
-			       "%s: acpi_get_parent() failed (0x%x) for: ",
-					__func__, status);
-			acpi_ns_print_node_pathname(handle, NULL);
-			printk("\n");
+			       "%s: acpi_get_parent() failed (0x%x) for: %s\n",
+				__func__, status, (char *)name_buffer.pointer);
+			kfree(name_buffer.pointer);
 			return AE_OK;
 		}
 		status = acpi_evaluate_integer(parent, METHOD_NAME__BBN,
 					       NULL, &bbn);
 		if (ACPI_FAILURE(status)) {
+			acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
 			printk(KERN_ERR
-			  "%s: Failed to find _BBN in parent of: ",
-					__func__);
-			acpi_ns_print_node_pathname(handle, NULL);
-			printk("\n");
+			  "%s: Failed to find _BBN in parent of: %s\n",
+					__func__, (char *)name_buffer.pointer);
+			kfree(name_buffer.pointer);
 			return AE_OK;
 		}
 
@@ -350,24 +356,27 @@
 	acpi_handle rootbus_handle;
 	unsigned long long segment;
 	acpi_status status;
+	struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
 	rootbus_handle = PCI_CONTROLLER(dev)->acpi_handle;
         status = acpi_evaluate_integer(rootbus_handle, METHOD_NAME__SEG, NULL,
                                        &segment);
         if (ACPI_SUCCESS(status)) {
 		if (segment != pci_domain_nr(dev)) {
+			acpi_get_name(rootbus_handle, ACPI_FULL_PATHNAME,
+				&name_buffer);
 			printk(KERN_ERR
-			       "%s: Segment number mismatch, 0x%llx vs 0x%x for: ",
-			       __func__, segment, pci_domain_nr(dev));
-			acpi_ns_print_node_pathname(rootbus_handle, NULL);
-			printk("\n");
+			       "%s: Segment number mismatch, 0x%llx vs 0x%x for: %s\n",
+			       __func__, segment, pci_domain_nr(dev),
+			       (char *)name_buffer.pointer);
+			kfree(name_buffer.pointer);
 			return 1;
 		}
 	} else {
-		printk(KERN_ERR "%s: Unable to get __SEG from: ",
-		       __func__);
-		acpi_ns_print_node_pathname(rootbus_handle, NULL);
-		printk("\n");
+		acpi_get_name(rootbus_handle, ACPI_FULL_PATHNAME, &name_buffer);
+		printk(KERN_ERR "%s: Unable to get __SEG from: %s\n",
+		       __func__, (char *)name_buffer.pointer);
+		kfree(name_buffer.pointer);
 		return 1;
 	}
 
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 8a924a5..0d4ffa4 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -26,7 +26,6 @@
 #include <linux/acpi.h>
 #include <asm/sn/sn2/sn_hwperf.h>
 #include <asm/sn/acpi.h>
-#include "acpi/acglobal.h"
 
 extern void sn_init_cpei_timer(void);
 extern void register_sn_procfs(void);
@@ -473,7 +472,7 @@
 	{
 		struct acpi_table_header *header = NULL;
 
-		acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
+		acpi_get_table(ACPI_SIG_DSDT, 1, &header);
 		BUG_ON(header == NULL);
 		sn_acpi_rev = header->oem_revision;
 	}
@@ -505,7 +504,7 @@
 
 	{
 		struct acpi_table_header *header;
-		(void)acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
+		(void)acpi_get_table(ACPI_SIG_DSDT, 1, &header);
 		printk(KERN_INFO "ACPI  DSDT OEM Rev 0x%x\n",
 			header->oem_revision);
 	}
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 29dc0c8..d37593c 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -47,7 +47,7 @@
 #endif
 
 static int __initdata acpi_force = 0;
-
+u32 acpi_rsdt_forced;
 #ifdef	CONFIG_ACPI
 int acpi_disabled = 0;
 #else
@@ -1374,6 +1374,17 @@
 			       "Invalid BIOS MADT, disabling ACPI\n");
 			disable_acpi();
 		}
+	} else {
+		/*
+ 		 * ACPI found no MADT, and so ACPI wants UP PIC mode.
+ 		 * In the event an MPS table was found, forget it.
+ 		 * Boot with "acpi=off" to use MPS on such a system.
+ 		 */
+		if (smp_found_config) {
+			printk(KERN_WARNING PREFIX
+				"No APIC-table, disabling MPS\n");
+			smp_found_config = 0;
+		}
 	}
 
 	/*
@@ -1809,6 +1820,10 @@
 			disable_acpi();
 		acpi_ht = 1;
 	}
+	/* acpi=rsdt use RSDT instead of XSDT */
+	else if (strcmp(arg, "rsdt") == 0) {
+		acpi_rsdt_forced = 1;
+	}
 	/* "acpi=noirq" disables ACPI interrupt routing */
 	else if (strcmp(arg, "noirq") == 0) {
 		acpi_noirq_set();
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index c2502eb..a4805b3 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -56,6 +56,7 @@
 static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
 
 #define MWAIT_SUBSTATE_MASK	(0xf)
+#define MWAIT_CSTATE_MASK	(0xf)
 #define MWAIT_SUBSTATE_SIZE	(4)
 
 #define CPUID_MWAIT_LEAF (5)
@@ -98,7 +99,8 @@
 	cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &edx);
 
 	/* Check whether this particular cx_type (in CST) is supported or not */
-	cstate_type = (cx->address >> MWAIT_SUBSTATE_SIZE) + 1;
+	cstate_type = ((cx->address >> MWAIT_SUBSTATE_SIZE) &
+			MWAIT_CSTATE_MASK) + 1;
 	edx_part = edx >> (cstate_type * MWAIT_SUBSTATE_SIZE);
 	num_cstate_subtype = edx_part & MWAIT_SUBSTATE_MASK;
 
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 806b4e9..707c1f6 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -159,6 +159,8 @@
 #endif
 		if (strncmp(str, "old_ordering", 12) == 0)
 			acpi_old_suspend_ordering();
+		if (strncmp(str, "s4_nonvs", 8) == 0)
+			acpi_s4_no_nvs();
 		str = strchr(str, ',');
 		if (str != NULL)
 			str += strspn(str, ", \t");
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 65a1394..e858268 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -665,6 +665,27 @@
 }
 #endif
 
+#ifdef CONFIG_HIBERNATION
+/**
+ * Mark ACPI NVS memory region, so that we can save/restore it during
+ * hibernation and the subsequent resume.
+ */
+static int __init e820_mark_nvs_memory(void)
+{
+	int i;
+
+	for (i = 0; i < e820.nr_map; i++) {
+		struct e820entry *ei = &e820.map[i];
+
+		if (ei->type == E820_NVS)
+			hibernate_nvs_register(ei->addr, ei->size);
+	}
+
+	return 0;
+}
+core_initcall(e820_mark_nvs_memory);
+#endif
+
 /*
  * Early reserved memory areas.
  */
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 3c0c933..5d23c13 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -2,15 +2,8 @@
 # Makefile for the Linux ACPI interpreter
 #
 
-export ACPI_CFLAGS
-
-ACPI_CFLAGS	:= -Os
-
-ifdef CONFIG_ACPI_DEBUG
-  ACPI_CFLAGS	+= -DACPI_DEBUG_OUTPUT
-endif
-
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
+ccflags-y			:= -Os
+ccflags-$(CONFIG_ACPI_DEBUG)	+= -DACPI_DEBUG_OUTPUT
 
 #
 # ACPI Boot-Time Table Parsing
@@ -22,9 +15,13 @@
 # ACPI Core Subsystem (Interpreter)
 #
 obj-y				+= osl.o utils.o reboot.o\
-				   dispatcher/ events/ executer/ hardware/ \
-				   namespace/ parser/ resources/ tables/ \
-				   utilities/
+					acpica/
+
+# sleep related files
+obj-y				+= wakeup.o
+obj-y				+= main.o
+obj-$(CONFIG_ACPI_SLEEP)	+= proc.o
+
 
 #
 # ACPI Bus and Device Drivers
@@ -35,7 +32,6 @@
 processor-objs	+= processor_perflib.o
 endif
 
-obj-y				+= sleep/
 obj-y				+= bus.o glue.o
 obj-y				+= scan.o
 # Keep EC driver first. Initialization of others depend on it.
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
new file mode 100644
index 0000000..3f23298
--- /dev/null
+++ b/drivers/acpi/acpica/Makefile
@@ -0,0 +1,44 @@
+#
+# Makefile for ACPICA Core interpreter
+#
+
+ccflags-y			:= -Os
+ccflags-$(CONFIG_ACPI_DEBUG)	+= -DACPI_DEBUG_OUTPUT
+
+obj-y := dsfield.o   dsmthdat.o  dsopcode.o  dswexec.o  dswscope.o \
+	 dsmethod.o  dsobject.o  dsutils.o   dswload.o  dswstate.o \
+	 dsinit.o
+
+obj-y += evevent.o  evregion.o  evsci.o    evxfevnt.o \
+	 evmisc.o   evrgnini.o  evxface.o  evxfregn.o \
+	 evgpe.o    evgpeblk.o
+
+obj-y += exconfig.o  exfield.o  exnames.o   exoparg6.o  exresolv.o  exstorob.o\
+	 exconvrt.o  exfldio.o  exoparg1.o  exprep.o    exresop.o   exsystem.o\
+	 excreate.o  exmisc.o   exoparg2.o  exregion.o  exstore.o   exutils.o \
+	 exdump.o    exmutex.o  exoparg3.o  exresnte.o  exstoren.o
+
+obj-y += hwacpi.o  hwgpe.o  hwregs.o  hwsleep.o hwxface.o
+
+obj-$(ACPI_FUTURE_USAGE) += hwtimer.o
+
+obj-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
+
+obj-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
+
+obj-y += psargs.o    psparse.o  psloop.o pstree.o   pswalk.o  \
+	 psopcode.o  psscope.o  psutils.o  psxface.o
+
+obj-y += rsaddr.o rscreate.o rsinfo.o rsio.o rslist.o rsmisc.o rsxface.o \
+	 rscalc.o  rsirq.o  rsmemory.o  rsutils.o
+
+obj-$(ACPI_FUTURE_USAGE) += rsdump.o
+
+obj-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o
+
+obj-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
+		utcopy.o utdelete.o utglobal.o utmath.o utobject.o \
+		utstate.o utmutex.o utobject.o utresrc.o
diff --git a/drivers/acpi/acpica/accommon.h b/drivers/acpi/acpica/accommon.h
new file mode 100644
index 0000000..3b20786
--- /dev/null
+++ b/drivers/acpi/acpica/accommon.h
@@ -0,0 +1,63 @@
+/******************************************************************************
+ *
+ * Name: accommon.h - Common include files for generation of ACPICA source
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACCOMMON_H__
+#define __ACCOMMON_H__
+
+/*
+ * Common set of includes for all ACPICA source files.
+ * We put them here because we don't want to duplicate them
+ * in the the source code again and again.
+ *
+ * Note: The order of these include files is important.
+ */
+#include "acconfig.h"		/* Global configuration constants */
+#include "acmacros.h"		/* C macros */
+#include "aclocal.h"		/* Internal data types */
+#include "acobject.h"		/* ACPI internal object */
+#include "acstruct.h"		/* Common structures */
+#include "acglobal.h"		/* All global variables */
+#include "achware.h"		/* Hardware defines and interfaces */
+#include "acutils.h"		/* Utility interfaces */
+
+#endif				/* __ACCOMMON_H__ */
diff --git a/include/acpi/acconfig.h b/drivers/acpi/acpica/acconfig.h
similarity index 98%
rename from include/acpi/acconfig.h
rename to drivers/acpi/acpica/acconfig.h
index 29feee2..e6777fb 100644
--- a/include/acpi/acconfig.h
+++ b/drivers/acpi/acpica/acconfig.h
@@ -61,10 +61,6 @@
  *
  */
 
-/* Current ACPICA subsystem version in YYYYMMDD format */
-
-#define ACPI_CA_VERSION                 0x20080926
-
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
  * but there is a large base of ASL/AML code in existing machines that check
@@ -119,6 +115,10 @@
 
 #define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
 
+/* Maximum number of While() loop iterations before forced abort */
+
+#define ACPI_MAX_LOOP_ITERATIONS        0xFFFF
+
 /******************************************************************************
  *
  * ACPI Specification constants (Do not change unless the specification changes)
diff --git a/include/acpi/acdebug.h b/drivers/acpi/acpica/acdebug.h
similarity index 100%
rename from include/acpi/acdebug.h
rename to drivers/acpi/acpica/acdebug.h
diff --git a/include/acpi/acdispat.h b/drivers/acpi/acpica/acdispat.h
similarity index 100%
rename from include/acpi/acdispat.h
rename to drivers/acpi/acpica/acdispat.h
diff --git a/include/acpi/acevents.h b/drivers/acpi/acpica/acevents.h
similarity index 97%
rename from include/acpi/acevents.h
rename to drivers/acpi/acpica/acevents.h
index d5d099b..07e2013 100644
--- a/include/acpi/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -93,11 +93,13 @@
  */
 u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
 
-acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback);
+acpi_status
+acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);
 
 acpi_status
 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
-			    struct acpi_gpe_block_info *gpe_block);
+			    struct acpi_gpe_block_info *gpe_block,
+			    void *context);
 
 acpi_status
 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
diff --git a/include/acpi/acglobal.h b/drivers/acpi/acpica/acglobal.h
similarity index 97%
rename from include/acpi/acglobal.h
rename to drivers/acpi/acpica/acglobal.h
index 15dda46..ddb40f5 100644
--- a/include/acpi/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -102,6 +102,12 @@
  */
 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
 
+/*
+ * Optionally use default values for the ACPI register widths. Set this to
+ * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
+ */
+ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);
+
 /*****************************************************************************
  *
  * Debug support
@@ -140,7 +146,7 @@
  */
 ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list;
 ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT;
-extern u8 acpi_gbl_permanent_mmap;
+ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS;
 
 /* These addresses are calculated from FADT address values */
 
@@ -326,6 +332,7 @@
 ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
 ACPI_EXTERN struct acpi_gpe_block_info
 *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
+ACPI_EXTERN u32 acpi_current_gpe_count;
 
 /*****************************************************************************
  *
diff --git a/include/acpi/achware.h b/drivers/acpi/acpica/achware.h
similarity index 88%
rename from include/acpi/achware.h
rename to drivers/acpi/acpica/achware.h
index 97a72b1..58c69dc 100644
--- a/include/acpi/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -44,11 +44,7 @@
 #ifndef __ACHWARE_H__
 #define __ACHWARE_H__
 
-/* PM Timer ticks per second (HZ) */
-
-#define PM_TIMER_FREQUENCY  3579545
-
-/* Values for the _SST reserved method */
+/* Values for the _SST predefined method */
 
 #define ACPI_SST_INDICATOR_OFF  0
 #define ACPI_SST_WORKING        1
@@ -56,8 +52,6 @@
 #define ACPI_SST_SLEEPING       3
 #define ACPI_SST_SLEEP_CONTEXT  4
 
-/* Prototypes */
-
 /*
  * hwacpi - high level functions
  */
@@ -75,13 +69,6 @@
 
 acpi_status acpi_hw_register_write(u32 register_id, u32 value);
 
-acpi_status
-acpi_hw_low_level_read(u32 width,
-		       u32 * value, struct acpi_generic_address *reg);
-
-acpi_status
-acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address *reg);
-
 acpi_status acpi_hw_clear_acpi_status(void);
 
 /*
@@ -94,13 +81,13 @@
 
 acpi_status
 acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
-			  struct acpi_gpe_block_info *gpe_block);
+			  struct acpi_gpe_block_info *gpe_block, void *context);
 
 acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info);
 
 acpi_status
 acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
-			struct acpi_gpe_block_info *gpe_block);
+			struct acpi_gpe_block_info *gpe_block, void *context);
 
 acpi_status
 acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
@@ -114,7 +101,8 @@
 
 acpi_status
 acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
-				 struct acpi_gpe_block_info *gpe_block);
+				 struct acpi_gpe_block_info *gpe_block,
+				 void *context);
 
 #ifdef	ACPI_FUTURE_USAGE
 /*
diff --git a/include/acpi/acinterp.h b/drivers/acpi/acpica/acinterp.h
similarity index 100%
rename from include/acpi/acinterp.h
rename to drivers/acpi/acpica/acinterp.h
diff --git a/include/acpi/aclocal.h b/drivers/acpi/acpica/aclocal.h
similarity index 95%
rename from include/acpi/aclocal.h
rename to drivers/acpi/acpica/aclocal.h
index ecab527..492d027 100644
--- a/include/acpi/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -46,8 +46,6 @@
 
 /* acpisrc:struct_defs -- for acpisrc conversion */
 
-#define ACPI_WAIT_FOREVER               0xFFFF	/* u16, as per ACPI spec */
-#define ACPI_DO_NOT_WAIT                0
 #define ACPI_SERIALIZED                 0xFF
 
 typedef u32 acpi_mutex_handle;
@@ -120,11 +118,6 @@
 #define ACPI_MAX_LOCK                   1
 #define ACPI_NUM_LOCK                   ACPI_MAX_LOCK+1
 
-/* Owner IDs are used to track namespace nodes for selective deletion */
-
-typedef u8 acpi_owner_id;
-#define ACPI_OWNER_ID_MAX               0xFF
-
 /* This Thread ID means that the mutex is not in use (unlocked) */
 
 #define ACPI_MUTEX_NOT_ACQUIRED         (acpi_thread_id) 0
@@ -165,11 +158,6 @@
 	ACPI_IMODE_EXECUTE = 0x03
 } acpi_interpreter_mode;
 
-union acpi_name_union {
-	u32 integer;
-	char ascii[4];
-};
-
 /*
  * The Namespace Node describes a named object that appears in the AML.
  * descriptor_type is used to differentiate between internal descriptors.
@@ -216,26 +204,6 @@
 #define ANOBJ_IS_BIT_OFFSET             0x40	/* i_aSL only: Reference is a bit offset */
 #define ANOBJ_IS_REFERENCED             0x80	/* i_aSL only: Object was referenced */
 
-/*
- * ACPI Table Descriptor.  One per ACPI table
- */
-struct acpi_table_desc {
-	acpi_physical_address address;
-	struct acpi_table_header *pointer;
-	u32 length;		/* Length fixed at 32 bits */
-	union acpi_name_union signature;
-	acpi_owner_id owner_id;
-	u8 flags;
-};
-
-/* Flags for above */
-
-#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
-#define ACPI_TABLE_ORIGIN_MAPPED        (1)
-#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
-#define ACPI_TABLE_ORIGIN_MASK          (3)
-#define ACPI_TABLE_IS_LOADED            (4)
-
 /* One internal RSDT for table management */
 
 struct acpi_internal_rsdt {
@@ -266,15 +234,6 @@
 	struct acpi_namespace_node *node;
 };
 
-/*
- * Predefined Namespace items
- */
-struct acpi_predefined_names {
-	char *name;
-	u8 type;
-	char *val;
-};
-
 /* Object types used during package copies */
 
 #define ACPI_COPY_TYPE_SIMPLE           0
@@ -487,10 +446,15 @@
 	struct acpi_gpe_block_info *gpe_block;
 };
 
-typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
-					 gpe_xrupt_info,
-					 struct acpi_gpe_block_info *
-					 gpe_block);
+struct acpi_gpe_device_info {
+	u32 index;
+	u32 next_block_base_index;
+	acpi_status status;
+	struct acpi_namespace_node *gpe_device;
+};
+
+typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+		struct acpi_gpe_block_info *gpe_block, void *context);
 
 /* Information about each particular fixed event */
 
@@ -566,6 +530,7 @@
 	union acpi_parse_object *predicate_op;
 	u8 *aml_predicate_start;	/* Start of if/while predicate */
 	u8 *package_end;	/* End of if/while block */
+	u32 loop_count;		/* While() loop counter */
 };
 
 /*
@@ -671,6 +636,12 @@
 	union acpi_parse_object *arg;	/* arguments and contained ops */
 };
 
+#ifdef ACPI_DISASSEMBLER
+#define ACPI_DISASM_ONLY_MEMBERS(a)     a;
+#else
+#define ACPI_DISASM_ONLY_MEMBERS(a)
+#endif
+
 #define ACPI_PARSE_COMMON \
 	union acpi_parse_object         *parent;        /* Parent op */\
 	u8                              descriptor_type; /* To differentiate various internal objs */\
@@ -790,9 +761,6 @@
  *
  ****************************************************************************/
 
-#define PCI_ROOT_HID_STRING             "PNP0A03"
-#define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"
-
 struct acpi_bit_register_info {
 	u8 parent_register;
 	u8 bit_position;
@@ -1019,26 +987,4 @@
 #define ACPI_MEM_LIST_MAX               1
 #define ACPI_NUM_MEM_LISTS              2
 
-struct acpi_memory_list {
-	char *list_name;
-	void *list_head;
-	u16 object_size;
-	u16 max_depth;
-	u16 current_depth;
-	u16 link_offset;
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-
-	/* Statistics for debug memory tracking only */
-
-	u32 total_allocated;
-	u32 total_freed;
-	u32 max_occupied;
-	u32 total_size;
-	u32 current_total_size;
-	u32 requests;
-	u32 hits;
-#endif
-};
-
 #endif				/* __ACLOCAL_H__ */
diff --git a/include/acpi/acmacros.h b/drivers/acpi/acpica/acmacros.h
similarity index 83%
rename from include/acpi/acmacros.h
rename to drivers/acpi/acpica/acmacros.h
index 1954c9d..9c127e8 100644
--- a/include/acpi/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -45,23 +45,6 @@
 #define __ACMACROS_H__
 
 /*
- * Data manipulation macros
- */
-#define ACPI_LOWORD(l)                  ((u16)(u32)(l))
-#define ACPI_HIWORD(l)                  ((u16)((((u32)(l)) >> 16) & 0xFFFF))
-#define ACPI_LOBYTE(l)                  ((u8)(u16)(l))
-#define ACPI_HIBYTE(l)                  ((u8)((((u16)(l)) >> 8) & 0xFF))
-
-#define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
-#define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
-#define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))
-#define ACPI_MAX(a,b)                   (((a)>(b))?(a):(b))
-
-/* Size calculation */
-
-#define ACPI_ARRAY_LENGTH(x)            (sizeof(x) / sizeof((x)[0]))
-
-/*
  * Extract data using a pointer. Any more than a byte and we
  * get into potential aligment issues -- see the STORE macros below.
  * Use with care.
@@ -76,39 +59,6 @@
 #define ACPI_SET64(ptr)                 *ACPI_CAST_PTR (u64, ptr)
 
 /*
- * Pointer manipulation
- */
-#define ACPI_CAST_PTR(t, p)             ((t *) (acpi_uintptr_t) (p))
-#define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **) (acpi_uintptr_t) (p))
-#define ACPI_ADD_PTR(t, a, b)		ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8, (a)) + (acpi_size)(b)))
-#define ACPI_PTR_DIFF(a, b)		(acpi_size) (ACPI_CAST_PTR (u8, (a)) - ACPI_CAST_PTR (u8, (b)))
-
-/* Pointer/Integer type conversions */
-
-#define ACPI_TO_POINTER(i)		ACPI_ADD_PTR (void, (void *) NULL, (acpi_size) i)
-#define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p, (void *) NULL)
-#define ACPI_OFFSET(d, f)               (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f), (void *) NULL)
-#define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
-#define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
-
-#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
-#define ACPI_COMPARE_NAME(a, b)         (*ACPI_CAST_PTR (u32, (a)) == *ACPI_CAST_PTR (u32, (b)))
-#else
-#define ACPI_COMPARE_NAME(a, b)         (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAME_SIZE))
-#endif
-
-/*
- * Full 64-bit integer must be available on both 32-bit and 64-bit platforms
- */
-struct acpi_integer_overlay {
-	u32 lo_dword;
-	u32 hi_dword;
-};
-
-#define ACPI_LODWORD(integer)           (ACPI_CAST_PTR (struct acpi_integer_overlay, &integer)->lo_dword)
-#define ACPI_HIDWORD(integer)           (ACPI_CAST_PTR (struct acpi_integer_overlay, &integer)->hi_dword)
-
-/*
  * printf() format helpers
  */
 
@@ -209,7 +159,7 @@
 /*
  * The hardware does not support unaligned transfers. We must move the
  * data one byte at a time. These macros work whether the source or
- * the destination (or both) is/are unaligned.  (Little-endian move)
+ * the destination (or both) is/are unaligned. (Little-endian move)
  */
 
 /* 16-bit source, 16/32/64 destination */
@@ -357,12 +307,6 @@
 	{(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
 #endif
 
-#ifdef ACPI_DISASSEMBLER
-#define ACPI_DISASM_ONLY_MEMBERS(a)     a;
-#else
-#define ACPI_DISASM_ONLY_MEMBERS(a)
-#endif
-
 #define ARG_TYPE_WIDTH                  5
 #define ARG_1(x)                        ((u32)(x))
 #define ARG_2(x)                        ((u32)(x) << (1 * ARG_TYPE_WIDTH))
@@ -388,32 +332,16 @@
 #define GET_CURRENT_ARG_TYPE(list)      (list & ((u32) 0x1F))
 #define INCREMENT_ARG_LIST(list)        (list >>= ((u32) ARG_TYPE_WIDTH))
 
-#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
-/*
- * Module name is include in both debug and non-debug versions primarily for
- * error messages. The __FILE__ macro is not very useful for this, because it
- * often includes the entire pathname to the module
- */
-#define ACPI_MODULE_NAME(name)		static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
-#else
-#define ACPI_MODULE_NAME(name)
-#endif
-
 /*
  * Ascii error messages can be configured out
  */
 #ifndef ACPI_NO_ERROR_MESSAGES
-#define AE_INFO                         _acpi_module_name, __LINE__
 
 /*
  * Error reporting. Callers module and line number are inserted by AE_INFO,
  * the plist contains a set of parens to allow variable-length lists.
  * These macros are used for both the debug and non-debug versions of the code.
  */
-#define ACPI_INFO(plist)                acpi_ut_info plist
-#define ACPI_WARNING(plist)             acpi_ut_warning plist
-#define ACPI_EXCEPTION(plist)           acpi_ut_exception plist
-#define ACPI_ERROR(plist)               acpi_ut_error plist
 #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);
 
@@ -421,13 +349,9 @@
 
 /* No error messages */
 
-#define ACPI_INFO(plist)
-#define ACPI_WARNING(plist)
-#define ACPI_EXCEPTION(plist)
-#define ACPI_ERROR(plist)
 #define ACPI_ERROR_NAMESPACE(s, e)
 #define ACPI_ERROR_METHOD(s, n, p, e)
-#endif
+#endif		/* ACPI_NO_ERROR_MESSAGES */
 
 /*
  * Debug macros that are conditionally compiled
@@ -435,36 +359,8 @@
 #ifdef ACPI_DEBUG_OUTPUT
 
 /*
- * Common parameters used for debug output functions:
- * line number, function name, module(file) name, component ID
- */
-#define ACPI_DEBUG_PARAMETERS           __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
-
-/*
  * Function entry tracing
  */
-
-/*
- * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
- * define it now. This is the case where there the compiler does not support
- * a __func__ macro or equivalent.
- */
-#ifndef ACPI_GET_FUNCTION_NAME
-#define ACPI_GET_FUNCTION_NAME          _acpi_function_name
-/*
- * The Name parameter should be the procedure name as a quoted string.
- * The function name is also used by the function exit macros below.
- * Note: (const char) is used to be compatible with the debug interfaces
- * and macros such as __func__.
- */
-#define ACPI_FUNCTION_NAME(name)	static const char _acpi_function_name[] = #name;
-
-#else
-/* Compiler supports __func__ (or equivalent) -- Ignore this macro */
-
-#define ACPI_FUNCTION_NAME(name)
-#endif
-
 #ifdef CONFIG_ACPI_DEBUG_FUNC_TRACE
 
 #define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
@@ -584,15 +480,6 @@
 #define ACPI_DUMP_RESOURCE_LIST(a)      acpi_rs_dump_resource_list(a)
 #define ACPI_DUMP_BUFFER(a, b)          acpi_ut_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
 
-/*
- * Master debug print macros
- * Print iff:
- *    1) Debug print for the current component is enabled
- *    2) Debug error level or trace level for the print statement is enabled
- */
-#define ACPI_DEBUG_PRINT(plist)         acpi_ut_debug_print plist
-#define ACPI_DEBUG_PRINT_RAW(plist)     acpi_ut_debug_print_raw plist
-
 #else
 /*
  * This is the non-debug case -- make everything go away,
@@ -603,7 +490,6 @@
 
 #define ACPI_DEBUG_DEFINE(a)		do { } while(0)
 #define ACPI_DEBUG_ONLY_MEMBERS(a)	do { } while(0)
-#define ACPI_FUNCTION_NAME(a)		do { } while(0)
 #define ACPI_FUNCTION_TRACE(a)		do { } while(0)
 #define ACPI_FUNCTION_TRACE_PTR(a, b)	do { } while(0)
 #define ACPI_FUNCTION_TRACE_U32(a, b)	do { } while(0)
@@ -619,8 +505,6 @@
 #define ACPI_DUMP_PATHNAME(a, b, c, d)	do { } while(0)
 #define ACPI_DUMP_RESOURCE_LIST(a)	do { } while(0)
 #define ACPI_DUMP_BUFFER(a, b)		do { } while(0)
-#define ACPI_DEBUG_PRINT(pl)		do { } while(0)
-#define ACPI_DEBUG_PRINT_RAW(pl)	do { } while(0)
 
 #define return_VOID                     return
 #define return_ACPI_STATUS(s)           return(s)
@@ -629,7 +513,7 @@
 #define return_UINT32(s)                return(s)
 #define return_PTR(s)                   return(s)
 
-#endif
+#endif				/* ACPI_DEBUG_OUTPUT */
 
 /*
  * Some code only gets executed when the debugger is built in.
diff --git a/include/acpi/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
similarity index 97%
rename from include/acpi/acnamesp.h
rename to drivers/acpi/acpica/acnamesp.h
index db4e6f6..46cb5b4 100644
--- a/include/acpi/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -182,7 +182,9 @@
  */
 acpi_status
 acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
-			       union acpi_operand_object *return_object);
+			       u32 user_param_count,
+			       acpi_status return_status,
+			       union acpi_operand_object **return_object);
 
 const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct
 								    acpi_namespace_node
@@ -191,6 +193,7 @@
 void
 acpi_ns_check_parameter_count(char *pathname,
 			      struct acpi_namespace_node *node,
+			      u32 user_param_count,
 			      const union acpi_predefined_info *info);
 
 /*
diff --git a/include/acpi/acobject.h b/drivers/acpi/acpica/acobject.h
similarity index 100%
rename from include/acpi/acobject.h
rename to drivers/acpi/acpica/acobject.h
diff --git a/include/acpi/acopcode.h b/drivers/acpi/acpica/acopcode.h
similarity index 100%
rename from include/acpi/acopcode.h
rename to drivers/acpi/acpica/acopcode.h
diff --git a/include/acpi/acparser.h b/drivers/acpi/acpica/acparser.h
similarity index 100%
rename from include/acpi/acparser.h
rename to drivers/acpi/acpica/acparser.h
diff --git a/include/acpi/acpredef.h b/drivers/acpi/acpica/acpredef.h
similarity index 100%
rename from include/acpi/acpredef.h
rename to drivers/acpi/acpica/acpredef.h
diff --git a/include/acpi/acresrc.h b/drivers/acpi/acpica/acresrc.h
similarity index 100%
rename from include/acpi/acresrc.h
rename to drivers/acpi/acpica/acresrc.h
diff --git a/include/acpi/acstruct.h b/drivers/acpi/acpica/acstruct.h
similarity index 100%
rename from include/acpi/acstruct.h
rename to drivers/acpi/acpica/acstruct.h
diff --git a/include/acpi/actables.h b/drivers/acpi/acpica/actables.h
similarity index 98%
rename from include/acpi/actables.h
rename to drivers/acpi/acpica/actables.h
index 0cbe1b9..7ce6e33 100644
--- a/include/acpi/actables.h
+++ b/drivers/acpi/acpica/actables.h
@@ -94,6 +94,8 @@
 /*
  * tbutils - table manager utilities
  */
+acpi_status acpi_tb_initialize_facs(void);
+
 u8 acpi_tb_tables_loaded(void);
 
 void
diff --git a/include/acpi/acutils.h b/drivers/acpi/acpica/acutils.h
similarity index 93%
rename from include/acpi/acutils.h
rename to drivers/acpi/acpica/acutils.h
index d8307b2..80d8813 100644
--- a/include/acpi/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -297,42 +297,6 @@
 
 void acpi_ut_report_warning(char *module_name, u32 line_number);
 
-/* Error and message reporting interfaces */
-
-void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_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_ut_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_ut_error(const char *module_name,
-	      u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
-
-void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_exception(const char *module_name,
-		  u32 line_number,
-		  acpi_status status,
-		  const char *format, ...) ACPI_PRINTF_LIKE(4);
-
-void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_warning(const char *module_name,
-		u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
-
-void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_info(const char *module_name,
-	     u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
-
 /*
  * utdelete - Object deletion and reference counts
  */
diff --git a/include/acpi/amlcode.h b/drivers/acpi/acpica/amlcode.h
similarity index 100%
rename from include/acpi/amlcode.h
rename to drivers/acpi/acpica/amlcode.h
diff --git a/include/acpi/amlresrc.h b/drivers/acpi/acpica/amlresrc.h
similarity index 100%
rename from include/acpi/amlresrc.h
rename to drivers/acpi/acpica/amlresrc.h
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/acpica/dsfield.c
similarity index 98%
rename from drivers/acpi/dispatcher/dsfield.c
rename to drivers/acpi/acpica/dsfield.c
index f988a5e..53e27bc 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -42,11 +42,12 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acparser.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dsfield")
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/acpica/dsinit.c
similarity index 98%
rename from drivers/acpi/dispatcher/dsinit.c
rename to drivers/acpi/acpica/dsinit.c
index 949f7c7..eb144b1 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acdispat.h>
-#include <acpi/acnamesp.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dsinit")
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
similarity index 98%
rename from drivers/acpi/dispatcher/dsmethod.c
rename to drivers/acpi/acpica/dsmethod.c
index 279a5a6..14b8b8e 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -42,11 +42,14 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#ifdef	ACPI_DISASSEMBLER
 #include <acpi/acdisasm.h>
+#endif
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dsmethod")
@@ -412,6 +415,9 @@
 
 	if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
 		status = obj_desc->method.implementation(next_walk_state);
+		if (status == AE_OK) {
+			status = AE_CTRL_TERMINATE;
+		}
 	}
 
 	return_ACPI_STATUS(status);
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c
similarity index 99%
rename from drivers/acpi/dispatcher/dsmthdat.c
rename to drivers/acpi/acpica/dsmthdat.c
index d03f81b..da0f546 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/acpica/dsmthdat.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acdispat.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dsmthdat")
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/acpica/dsobject.c
similarity index 99%
rename from drivers/acpi/dispatcher/dsobject.c
rename to drivers/acpi/acpica/dsobject.c
index 4f08e59..15c628e 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/acpica/dsobject.c
@@ -42,11 +42,12 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acnamesp.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dsobject")
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
similarity index 96%
rename from drivers/acpi/dispatcher/dsopcode.c
rename to drivers/acpi/acpica/dsopcode.c
index 69fae59..0c3b4dd 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -43,13 +43,14 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dsopcode")
@@ -1140,10 +1141,29 @@
 			  op->common.aml_opcode, walk_state));
 
 	switch (op->common.aml_opcode) {
-	case AML_IF_OP:
 	case AML_WHILE_OP:
 
 		/*
+		 * If this is an additional iteration of a while loop, continue.
+		 * There is no need to allocate a new control state.
+		 */
+		if (walk_state->control_state) {
+			if (walk_state->control_state->control.aml_predicate_start
+				== (walk_state->parser_state.aml - 1)) {
+
+				/* Reset the state to start-of-loop */
+
+				walk_state->control_state->common.state =
+				    ACPI_CONTROL_CONDITIONAL_EXECUTING;
+				break;
+			}
+		}
+
+		/*lint -fallthrough */
+
+	case AML_IF_OP:
+
+		/*
 		 * IF/WHILE: Create a new control state to manage these
 		 * constructs. We need to manage these as a stack, in order
 		 * to handle nesting.
@@ -1243,13 +1263,36 @@
 
 		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op));
 
-		if (walk_state->control_state->common.value) {
+		control_state = walk_state->control_state;
+		if (control_state->common.value) {
 
-			/* Predicate was true, go back and evaluate it again! */
+			/* Predicate was true, the body of the loop was just executed */
 
+			/*
+			 * This loop counter mechanism allows the interpreter to escape
+			 * possibly infinite loops. This can occur in poorly written AML
+			 * when the hardware does not respond within a while loop and the
+			 * loop does not implement a timeout.
+			 */
+			control_state->control.loop_count++;
+			if (control_state->control.loop_count >
+				ACPI_MAX_LOOP_ITERATIONS) {
+				status = AE_AML_INFINITE_LOOP;
+				break;
+			}
+
+			/*
+			 * Go back and evaluate the predicate and maybe execute the loop
+			 * another time
+			 */
 			status = AE_CTRL_PENDING;
+			walk_state->aml_last_while =
+			    control_state->control.aml_predicate_start;
+			break;
 		}
 
+		/* Predicate was false, terminate this while loop */
+
 		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
 				  "[WHILE_OP] termination! Op=%p\n", op));
 
@@ -1257,9 +1300,6 @@
 
 		control_state =
 		    acpi_ut_pop_generic_state(&walk_state->control_state);
-
-		walk_state->aml_last_while =
-		    control_state->control.aml_predicate_start;
 		acpi_ut_delete_generic_state(control_state);
 		break;
 
diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/acpica/dsutils.c
similarity index 99%
rename from drivers/acpi/dispatcher/dsutils.c
rename to drivers/acpi/acpica/dsutils.c
index b398982..dabc23a 100644
--- a/drivers/acpi/dispatcher/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -42,12 +42,13 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdebug.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acdebug.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dsutils")
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/acpica/dswexec.c
similarity index 98%
rename from drivers/acpi/dispatcher/dswexec.c
rename to drivers/acpi/acpica/dswexec.c
index 396fe12..350e665 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/acpica/dswexec.c
@@ -43,12 +43,13 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdebug.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acdebug.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dswexec")
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/acpica/dswload.c
similarity index 99%
rename from drivers/acpi/dispatcher/dswload.c
rename to drivers/acpi/acpica/dswload.c
index dff7a3e..3023cea 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -42,12 +42,13 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
 
 #ifdef ACPI_ASL_COMPILER
 #include <acpi/acdisasm.h>
diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/acpica/dswscope.c
similarity index 98%
rename from drivers/acpi/dispatcher/dswscope.c
rename to drivers/acpi/acpica/dswscope.c
index 9e60732..908645e 100644
--- a/drivers/acpi/dispatcher/dswscope.c
+++ b/drivers/acpi/acpica/dswscope.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acdispat.h>
+#include "accommon.h"
+#include "acdispat.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dswscope")
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/acpica/dswstate.c
similarity index 99%
rename from drivers/acpi/dispatcher/dswstate.c
rename to drivers/acpi/acpica/dswstate.c
index b00d4af..40f92bf 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/acpica/dswstate.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dswstate")
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/acpica/evevent.c
similarity index 96%
rename from drivers/acpi/events/evevent.c
rename to drivers/acpi/acpica/evevent.c
index c56c5c6..803edd9 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/acpica/evevent.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
+#include "accommon.h"
+#include "acevents.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evevent")
@@ -72,8 +73,8 @@
 
 	/*
 	 * Initialize the Fixed and General Purpose Events. This is done prior to
-	 * enabling SCIs to prevent interrupts from occurring before the handlers are
-	 * installed.
+	 * enabling SCIs to prevent interrupts from occurring before the handlers
+	 * are installed.
 	 */
 	status = acpi_ev_fixed_event_initialize();
 	if (ACPI_FAILURE(status)) {
@@ -192,8 +193,8 @@
 	acpi_status status;
 
 	/*
-	 * Initialize the structure that keeps track of fixed event handlers
-	 * and enable the fixed events.
+	 * Initialize the structure that keeps track of fixed event handlers and
+	 * enable the fixed events.
 	 */
 	for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
 		acpi_gbl_fixed_event_handlers[i].handler = NULL;
@@ -237,7 +238,7 @@
 
 	/*
 	 * Read the fixed feature status and enable registers, as all the cases
-	 * depend on their values.  Ignore errors here.
+	 * depend on their values. Ignore errors here.
 	 */
 	(void)acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS, &fixed_status);
 	(void)acpi_hw_register_read(ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
@@ -291,8 +292,8 @@
 				status_register_id, 1);
 
 	/*
-	 * Make sure we've got a handler.  If not, report an error.
-	 * The event is disabled to prevent further interrupts.
+	 * Make sure we've got a handler. If not, report an error. The event is
+	 * disabled to prevent further interrupts.
 	 */
 	if (NULL == acpi_gbl_fixed_event_handlers[event].handler) {
 		(void)acpi_set_register(acpi_gbl_fixed_event_info[event].
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/acpica/evgpe.c
similarity index 94%
rename from drivers/acpi/events/evgpe.c
rename to drivers/acpi/acpica/evgpe.c
index f45c74f..f345ced 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evgpe")
@@ -125,7 +126,7 @@
 	    (1 <<
 	     (gpe_event_info->gpe_number - gpe_register_info->base_gpe_number));
 
-	/* 1) Disable case.  Simply clear all enable bits */
+	/* 1) Disable case. Simply clear all enable bits */
 
 	if (type == ACPI_GPE_DISABLE) {
 		ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
@@ -134,7 +135,7 @@
 		return_ACPI_STATUS(AE_OK);
 	}
 
-	/* 2) Enable case.  Set/Clear the appropriate enable bits */
+	/* 2) Enable case. Set/Clear the appropriate enable bits */
 
 	switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) {
 	case ACPI_GPE_TYPE_WAKE:
@@ -295,7 +296,7 @@
  *
  * FUNCTION:    acpi_ev_get_gpe_event_info
  *
- * PARAMETERS:  gpe_device          - Device node.  NULL for GPE0/GPE1
+ * PARAMETERS:  gpe_device          - Device node. NULL for GPE0/GPE1
  *              gpe_number          - Raw GPE number
  *
  * RETURN:      A GPE event_info struct. NULL if not a valid GPE
@@ -372,7 +373,7 @@
  *
  * RETURN:      INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
  *
- * DESCRIPTION: Detect if any GP events have occurred.  This function is
+ * DESCRIPTION: Detect if any GP events have occurred. This function is
  *              executed at interrupt level.
  *
  ******************************************************************************/
@@ -400,8 +401,8 @@
 
 	/*
 	 * We need to obtain the GPE lock for both the data structs and registers
-	 * Note: Not necessary to obtain the hardware lock, since the GPE registers
-	 * are owned by the gpe_lock.
+	 * Note: Not necessary to obtain the hardware lock, since the GPE
+	 * registers are owned by the gpe_lock.
 	 */
 	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
 
@@ -410,9 +411,8 @@
 	gpe_block = gpe_xrupt_list->gpe_block_list_head;
 	while (gpe_block) {
 		/*
-		 * Read all of the 8-bit GPE status and enable registers
-		 * in this GPE block, saving all of them.
-		 * Find all currently active GP events.
+		 * Read all of the 8-bit GPE status and enable registers in this GPE
+		 * block, saving all of them. Find all currently active GP events.
 		 */
 		for (i = 0; i < gpe_block->register_count; i++) {
 
@@ -423,10 +423,8 @@
 			/* Read the Status Register */
 
 			status =
-			    acpi_hw_low_level_read(ACPI_GPE_REGISTER_WIDTH,
-						   &status_reg,
-						   &gpe_register_info->
-						   status_address);
+			    acpi_read(&status_reg,
+				      &gpe_register_info->status_address);
 			if (ACPI_FAILURE(status)) {
 				goto unlock_and_exit;
 			}
@@ -434,10 +432,8 @@
 			/* Read the Enable Register */
 
 			status =
-			    acpi_hw_low_level_read(ACPI_GPE_REGISTER_WIDTH,
-						   &enable_reg,
-						   &gpe_register_info->
-						   enable_address);
+			    acpi_read(&enable_reg,
+				      &gpe_register_info->enable_address);
 			if (ACPI_FAILURE(status)) {
 				goto unlock_and_exit;
 			}
@@ -527,8 +523,8 @@
 	(void)acpi_ev_enable_gpe(gpe_event_info, FALSE);
 
 	/*
-	 * Take a snapshot of the GPE info for this level - we copy the
-	 * info to prevent a race condition with remove_handler/remove_block.
+	 * Take a snapshot of the GPE info for this level - we copy the info to
+	 * prevent a race condition with remove_handler/remove_block.
 	 */
 	ACPI_MEMCPY(&local_gpe_event_info, gpe_event_info,
 		    sizeof(struct acpi_gpe_event_info));
@@ -539,8 +535,8 @@
 	}
 
 	/*
-	 * Must check for control method type dispatch one more
-	 * time to avoid race with ev_gpe_install_handler
+	 * Must check for control method type dispatch one more time to avoid a
+	 * race with ev_gpe_install_handler
 	 */
 	if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) ==
 	    ACPI_GPE_DISPATCH_METHOD) {
@@ -584,8 +580,8 @@
 	if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
 	    ACPI_GPE_LEVEL_TRIGGERED) {
 		/*
-		 * GPE is level-triggered, we clear the GPE status bit after
-		 * handling the event.
+		 * GPE is level-triggered, we clear the GPE status bit after handling
+		 * the event.
 		 */
 		status = acpi_hw_clear_gpe(gpe_event_info);
 		if (ACPI_FAILURE(status)) {
@@ -624,7 +620,7 @@
 	acpi_os_gpe_count(gpe_number);
 
 	/*
-	 * If edge-triggered, clear the GPE status bit now.  Note that
+	 * If edge-triggered, clear the GPE status bit now. Note that
 	 * level-triggered events are cleared after the GPE is serviced.
 	 */
 	if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
@@ -650,7 +646,8 @@
 
 		/*
 		 * Invoke the installed handler (at interrupt level)
-		 * Ignore return status for now.  TBD: leave GPE disabled on error?
+		 * Ignore return status for now.
+		 * TBD: leave GPE disabled on error?
 		 */
 		(void)gpe_event_info->dispatch.handler->address(gpe_event_info->
 								dispatch.
@@ -708,7 +705,7 @@
 			    gpe_number));
 
 		/*
-		 * Disable the GPE. The GPE will remain disabled until the ACPI
+		 * Disable the GPE. The GPE will remain disabled until the ACPICA
 		 * Core Subsystem is restarted, or a handler is installed.
 		 */
 		status = acpi_ev_disable_gpe(gpe_event_info);
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
similarity index 93%
rename from drivers/acpi/events/evgpeblk.c
rename to drivers/acpi/acpica/evgpeblk.c
index 73c058e..484cc05 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evgpeblk")
@@ -124,6 +125,7 @@
  * FUNCTION:    acpi_ev_walk_gpe_list
  *
  * PARAMETERS:  gpe_walk_callback   - Routine called for each GPE block
+ *              Context             - Value passed to callback
  *
  * RETURN:      Status
  *
@@ -131,7 +133,8 @@
  *
  ******************************************************************************/
 
-acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback)
+acpi_status
+acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context)
 {
 	struct acpi_gpe_block_info *gpe_block;
 	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
@@ -154,8 +157,13 @@
 
 			/* One callback per GPE block */
 
-			status = gpe_walk_callback(gpe_xrupt_info, gpe_block);
+			status =
+			    gpe_walk_callback(gpe_xrupt_info, gpe_block,
+					      context);
 			if (ACPI_FAILURE(status)) {
+				if (status == AE_CTRL_END) {	/* Callback abort */
+					status = AE_OK;
+				}
 				goto unlock_and_exit;
 			}
 
@@ -186,7 +194,8 @@
 
 acpi_status
 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
-			    struct acpi_gpe_block_info *gpe_block)
+			    struct acpi_gpe_block_info *gpe_block,
+			    void *context)
 {
 	struct acpi_gpe_event_info *gpe_event_info;
 	u32 i;
@@ -309,17 +318,17 @@
 	     (gpe_block->block_base_number +
 	      (gpe_block->register_count * 8)))) {
 		/*
-		 * Not valid for this GPE block, just ignore it
-		 * However, it may be valid for a different GPE block, since GPE0 and GPE1
-		 * methods both appear under \_GPE.
+		 * Not valid for this GPE block, just ignore it. However, it may be
+		 * valid for a different GPE block, since GPE0 and GPE1 methods both
+		 * appear under \_GPE.
 		 */
 		return_ACPI_STATUS(AE_OK);
 	}
 
 	/*
-	 * 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.
+	 * 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.
 	 */
 	gpe_event_info =
 	    &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
@@ -394,8 +403,8 @@
 	gpe_block = gpe_info->gpe_block;
 
 	/*
-	 * The _PRW object must return a package, we are only interested
-	 * in the first element
+	 * The _PRW object must return a package, we are only interested in the
+	 * first element
 	 */
 	obj_desc = pkg_desc->package.elements[0];
 
@@ -434,7 +443,7 @@
 	/*
 	 * Is this GPE within this block?
 	 *
-	 * TRUE iff these conditions are true:
+	 * TRUE if and only if these conditions are true:
 	 *     1) The GPE devices match.
 	 *     2) The GPE index(number) is within the range of the Gpe Block
 	 *          associated with the GPE device.
@@ -457,6 +466,7 @@
 		if (ACPI_FAILURE(status)) {
 			goto cleanup;
 		}
+
 		status =
 		    acpi_ev_update_gpe_enable_masks(gpe_event_info,
 						    ACPI_GPE_DISABLE);
@@ -476,9 +486,9 @@
  * RETURN:      A GPE interrupt block
  *
  * DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
- *              block per unique interrupt level used for GPEs.
- *              Should be called only when the GPE lists are semaphore locked
- *              and not subject to change.
+ *              block per unique interrupt level used for GPEs. Should be
+ *              called only when the GPE lists are semaphore locked and not
+ *              subject to change.
  *
  ******************************************************************************/
 
@@ -608,8 +618,9 @@
  *
  * FUNCTION:    acpi_ev_install_gpe_block
  *
- * PARAMETERS:  gpe_block       - New GPE block
- *              interrupt_number - Xrupt to be associated with this GPE block
+ * PARAMETERS:  gpe_block               - New GPE block
+ *              interrupt_number        - Xrupt to be associated with this
+ *                                        GPE block
  *
  * RETURN:      Status
  *
@@ -666,7 +677,7 @@
  *
  * FUNCTION:    acpi_ev_delete_gpe_block
  *
- * PARAMETERS:  gpe_block       - Existing GPE block
+ * PARAMETERS:  gpe_block           - Existing GPE block
  *
  * RETURN:      Status
  *
@@ -688,7 +699,8 @@
 
 	/* Disable all GPEs in this block */
 
-	status = acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block);
+	status =
+	    acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block, NULL);
 
 	if (!gpe_block->previous && !gpe_block->next) {
 
@@ -715,6 +727,9 @@
 		acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
 	}
 
+	acpi_current_gpe_count -=
+	    gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH;
+
 	/* Free the gpe_block */
 
 	ACPI_FREE(gpe_block->register_info);
@@ -786,9 +801,9 @@
 
 	/*
 	 * Initialize the GPE Register and Event structures. A goal of these
-	 * tables is to hide the fact that there are two separate GPE register sets
-	 * in a given GPE hardware block, the status registers occupy the first half,
-	 * and the enable registers occupy the second half.
+	 * tables is to hide the fact that there are two separate GPE register
+	 * sets in a given GPE hardware block, the status registers occupy the
+	 * first half, and the enable registers occupy the second half.
 	 */
 	this_register = gpe_register_info;
 	this_event = gpe_event_info;
@@ -816,10 +831,8 @@
 		    ACPI_GPE_REGISTER_WIDTH;
 		this_register->enable_address.bit_width =
 		    ACPI_GPE_REGISTER_WIDTH;
-		this_register->status_address.bit_offset =
-		    ACPI_GPE_REGISTER_WIDTH;
-		this_register->enable_address.bit_offset =
-		    ACPI_GPE_REGISTER_WIDTH;
+		this_register->status_address.bit_offset = 0;
+		this_register->enable_address.bit_offset = 0;
 
 		/* Init the event_info for each GPE within this register */
 
@@ -832,18 +845,14 @@
 
 		/* Disable all GPEs within this register */
 
-		status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, 0x00,
-						 &this_register->
-						 enable_address);
+		status = acpi_write(0x00, &this_register->enable_address);
 		if (ACPI_FAILURE(status)) {
 			goto error_exit;
 		}
 
 		/* Clear any pending GPE events within this register */
 
-		status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, 0xFF,
-						 &this_register->
-						 status_address);
+		status = acpi_write(0xFF, &this_register->status_address);
 		if (ACPI_FAILURE(status)) {
 			goto error_exit;
 		}
@@ -956,6 +965,9 @@
 			  gpe_device->name.ascii, gpe_block->register_count,
 			  interrupt_number));
 
+	/* Update global count of currently available GPEs */
+
+	acpi_current_gpe_count += register_count * ACPI_GPE_REGISTER_WIDTH;
 	return_ACPI_STATUS(AE_OK);
 }
 
@@ -1055,7 +1067,7 @@
 
 	/* Enable all valid runtime GPEs found above */
 
-	status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block);
+	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));
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/acpica/evmisc.c
similarity index 92%
rename from drivers/acpi/events/evmisc.c
rename to drivers/acpi/acpica/evmisc.c
index 1d5670b..5f89305 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -42,18 +42,15 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evmisc")
 
-/* Pointer to FACS needed for the Global Lock */
-static struct acpi_table_facs *facs = NULL;
-
 /* Local prototypes */
-
 static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context);
 
 static u32 acpi_ev_global_lock_handler(void *context);
@@ -152,7 +149,9 @@
 			break;
 
 		default:
+
 			/* All other types are not supported */
+
 			return (AE_TYPE);
 		}
 	}
@@ -193,9 +192,8 @@
 			acpi_ut_delete_generic_state(notify_info);
 		}
 	} else {
-		/*
-		 * There is no notify handler (per-device or system) for this device.
-		 */
+		/* There is no notify handler (per-device or system) for this device */
+
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 				  "No notify handler for Notify (%4.4s, %X) node %p\n",
 				  acpi_ut_get_node_name(node), notify_value,
@@ -229,9 +227,8 @@
 	ACPI_FUNCTION_ENTRY();
 
 	/*
-	 * We will invoke a global notify handler if installed.
-	 * This is done _before_ we invoke the per-device handler attached
-	 * to the device.
+	 * We will invoke a global notify handler if installed. This is done
+	 * _before_ we invoke the per-device handler attached to the device.
 	 */
 	if (notify_info->notify.value <= ACPI_MAX_SYS_NOTIFY) {
 
@@ -299,7 +296,7 @@
 	 * If we don't get it now, it will be marked pending and we will
 	 * take another interrupt when it becomes free.
 	 */
-	ACPI_ACQUIRE_GLOBAL_LOCK(facs, acquired);
+	ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_FACS, acquired);
 	if (acquired) {
 
 		/* Got the lock, now wake all threads waiting for it */
@@ -336,34 +333,27 @@
 
 	ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);
 
-	status = acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
-					 ACPI_CAST_INDIRECT_PTR(struct
-								acpi_table_header,
-								&facs));
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
+	/* Attempt installation of the global lock handler */
 
-	acpi_gbl_global_lock_present = TRUE;
 	status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
 						  acpi_ev_global_lock_handler,
 						  NULL);
 
 	/*
-	 * If the global lock does not exist on this platform, the attempt
-	 * to enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick)
-	 * Map to AE_OK, but mark global lock as not present.
-	 * Any attempt to actually use the global lock will be flagged
-	 * with an error.
+	 * If the global lock does not exist on this platform, the attempt to
+	 * enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick).
+	 * Map to AE_OK, but mark global lock as not present. Any attempt to
+	 * actually use the global lock will be flagged with an error.
 	 */
 	if (status == AE_NO_HARDWARE_RESPONSE) {
 		ACPI_ERROR((AE_INFO,
 			    "No response from Global Lock hardware, disabling lock"));
 
 		acpi_gbl_global_lock_present = FALSE;
-		status = AE_OK;
+		return_ACPI_STATUS(AE_OK);
 	}
 
+	acpi_gbl_global_lock_present = TRUE;
 	return_ACPI_STATUS(status);
 }
 
@@ -462,8 +452,8 @@
 	}
 
 	/*
-	 * Make sure that a global lock actually exists. If not, just treat
-	 * the lock as a standard mutex.
+	 * Make sure that a global lock actually exists. If not, just treat the
+	 * lock as a standard mutex.
 	 */
 	if (!acpi_gbl_global_lock_present) {
 		acpi_gbl_global_lock_acquired = TRUE;
@@ -472,7 +462,7 @@
 
 	/* Attempt to acquire the actual hardware lock */
 
-	ACPI_ACQUIRE_GLOBAL_LOCK(facs, acquired);
+	ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_FACS, acquired);
 	if (acquired) {
 
 		/* We got the lock */
@@ -536,7 +526,7 @@
 
 		/* Allow any thread to release the lock */
 
-		ACPI_RELEASE_GLOBAL_LOCK(facs, pending);
+		ACPI_RELEASE_GLOBAL_LOCK(acpi_gbl_FACS, pending);
 
 		/*
 		 * If the pending bit was set, we must write GBL_RLS to the control
@@ -582,8 +572,8 @@
 
 	if (acpi_gbl_events_initialized) {
 		/*
-		 * Disable all event-related functionality.
-		 * In all cases, on error, print a message but obviously we don't abort.
+		 * Disable all event-related functionality. In all cases, on error,
+		 * print a message but obviously we don't abort.
 		 */
 
 		/* Disable all fixed events */
@@ -599,7 +589,7 @@
 
 		/* Disable all GPEs in all GPE blocks */
 
-		status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block);
+		status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL);
 
 		/* Remove SCI handler */
 
@@ -617,7 +607,7 @@
 
 	/* Deallocate all handler objects installed within GPE info structs */
 
-	status = acpi_ev_walk_gpe_list(acpi_ev_delete_gpe_handlers);
+	status = acpi_ev_walk_gpe_list(acpi_ev_delete_gpe_handlers, NULL);
 
 	/* Return to original mode if necessary */
 
diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/acpica/evregion.c
similarity index 91%
rename from drivers/acpi/events/evregion.c
rename to drivers/acpi/acpica/evregion.c
index 236fbd1..665c088 100644
--- a/drivers/acpi/events/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -42,22 +42,15 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evregion")
-#define ACPI_NUM_DEFAULT_SPACES     4
-static u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = {
-	ACPI_ADR_SPACE_SYSTEM_MEMORY,
-	ACPI_ADR_SPACE_SYSTEM_IO,
-	ACPI_ADR_SPACE_PCI_CONFIG,
-	ACPI_ADR_SPACE_DATA_TABLE
-};
 
 /* Local prototypes */
-
 static acpi_status
 acpi_ev_reg_run(acpi_handle obj_handle,
 		u32 level, void *context, void **return_value);
@@ -66,6 +59,17 @@
 acpi_ev_install_handler(acpi_handle obj_handle,
 			u32 level, void *context, void **return_value);
 
+/* These are the address spaces that will get default handlers */
+
+#define ACPI_NUM_DEFAULT_SPACES     4
+
+static u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = {
+	ACPI_ADR_SPACE_SYSTEM_MEMORY,
+	ACPI_ADR_SPACE_SYSTEM_IO,
+	ACPI_ADR_SPACE_PCI_CONFIG,
+	ACPI_ADR_SPACE_DATA_TABLE
+};
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ev_install_region_handlers
@@ -91,18 +95,19 @@
 	}
 
 	/*
-	 * All address spaces (PCI Config, EC, SMBus) are scope dependent
-	 * and registration must occur for a specific device.
+	 * All address spaces (PCI Config, EC, SMBus) are scope dependent and
+	 * registration must occur for a specific device.
 	 *
-	 * In the case of the system memory and IO address spaces there is currently
-	 * no device associated with the address space.  For these we use the root.
+	 * In the case of the system memory and IO address spaces there is
+	 * currently no device associated with the address space. For these we
+	 * use the root.
 	 *
-	 * We install the default PCI config space handler at the root so
-	 * that this space is immediately available even though the we have
-	 * not enumerated all the PCI Root Buses yet.  This is to conform
-	 * to the ACPI specification which states that the PCI config
-	 * space must be always available -- even though we are nowhere
-	 * near ready to find the PCI root buses at this point.
+	 * We install the default PCI config space handler at the root so that
+	 * this space is immediately available even though the we have not
+	 * enumerated all the PCI Root Buses yet. This is to conform to the ACPI
+	 * specification which states that the PCI config space must be always
+	 * available -- even though we are nowhere near ready to find the PCI root
+	 * buses at this point.
 	 *
 	 * NOTE: We ignore AE_ALREADY_EXISTS because this means that a handler
 	 * has already been installed (via acpi_install_address_space_handler).
@@ -160,12 +165,11 @@
 		return_ACPI_STATUS(status);
 	}
 
-	/*
-	 * Run the _REG methods for op_regions in each default address space
-	 */
-	for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
+	/* Run the _REG methods for op_regions in each default address space */
 
-		/* TBD: Make sure handler is the DEFAULT handler, otherwise
+	for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
+		/*
+		 * TBD: Make sure handler is the DEFAULT handler, otherwise
 		 * _REG will have already been run.
 		 */
 		status = acpi_ev_execute_reg_methods(acpi_gbl_root_node,
@@ -318,13 +322,13 @@
 	}
 
 	/*
-	 * It may be the case that the region has never been initialized
+	 * It may be the case that the region has never been initialized.
 	 * Some types of regions require special init code
 	 */
 	if (!(region_obj->region.flags & AOPOBJ_SETUP_COMPLETE)) {
-		/*
-		 * This region has not been initialized yet, do it
-		 */
+
+		/* This region has not been initialized yet, do it */
+
 		region_setup = handler_desc->address_space.setup;
 		if (!region_setup) {
 
@@ -339,9 +343,9 @@
 		}
 
 		/*
-		 * We must exit the interpreter because the region
-		 * setup will potentially execute control methods
-		 * (e.g., _REG method for this region)
+		 * We must exit the interpreter because the region setup will
+		 * potentially execute control methods (for example, the _REG method
+		 * for this region)
 		 */
 		acpi_ex_exit_interpreter();
 
@@ -364,9 +368,8 @@
 			return_ACPI_STATUS(status);
 		}
 
-		/*
-		 * Region initialization may have been completed by region_setup
-		 */
+		/* Region initialization may have been completed by region_setup */
+
 		if (!(region_obj->region.flags & AOPOBJ_SETUP_COMPLETE)) {
 			region_obj->region.flags |= AOPOBJ_SETUP_COMPLETE;
 
@@ -521,8 +524,8 @@
 			}
 
 			/*
-			 * If the region has been activated, call the setup handler
-			 * with the deactivate notification
+			 * If the region has been activated, call the setup handler with
+			 * the deactivate notification
 			 */
 			if (region_obj->region.flags & AOPOBJ_SETUP_COMPLETE) {
 				region_setup = handler_obj->address_space.setup;
@@ -668,8 +671,8 @@
 	}
 
 	/*
-	 * We only care about regions.and objects
-	 * that are allowed to have address space handlers
+	 * We only care about regions and objects that are allowed to have
+	 * address space handlers
 	 */
 	if ((node->type != ACPI_TYPE_DEVICE) &&
 	    (node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {
@@ -710,9 +713,9 @@
 				/*
 				 * Since the object we found it on was a device, then it
 				 * means that someone has already installed a handler for
-				 * the branch of the namespace from this device on.  Just
+				 * the branch of the namespace from this device on. Just
 				 * bail out telling the walk routine to not traverse this
-				 * branch.  This preserves the scoping rule for handlers.
+				 * branch. This preserves the scoping rule for handlers.
 				 */
 				return (AE_CTRL_DEPTH);
 			}
@@ -723,9 +726,8 @@
 		}
 
 		/*
-		 * As long as the device didn't have a handler for this
-		 * space we don't care about it.  We just ignore it and
-		 * proceed.
+		 * As long as the device didn't have a handler for this space we
+		 * don't care about it. We just ignore it and proceed.
 		 */
 		return (AE_OK);
 	}
@@ -733,16 +735,14 @@
 	/* Object is a Region */
 
 	if (obj_desc->region.space_id != handler_obj->address_space.space_id) {
-		/*
-		 * This region is for a different address space
-		 * -- just ignore it
-		 */
+
+		/* This region is for a different address space, just ignore it */
+
 		return (AE_OK);
 	}
 
 	/*
-	 * Now we have a region and it is for the handler's address
-	 * space type.
+	 * Now we have a region and it is for the handler's address space type.
 	 *
 	 * First disconnect region for any previous handler (if any)
 	 */
@@ -786,9 +786,8 @@
 	ACPI_FUNCTION_TRACE(ev_install_space_handler);
 
 	/*
-	 * This registration is valid for only the types below
-	 * and the root.  This is where the default handlers
-	 * get placed.
+	 * This registration is valid for only the types below and the root. This
+	 * is where the default handlers get placed.
 	 */
 	if ((node->type != ACPI_TYPE_DEVICE) &&
 	    (node->type != ACPI_TYPE_PROCESSOR) &&
@@ -848,8 +847,8 @@
 	obj_desc = acpi_ns_get_attached_object(node);
 	if (obj_desc) {
 		/*
-		 * The attached device object already exists.
-		 * Make sure the handler is not already installed.
+		 * The attached device object already exists. Make sure the handler
+		 * is not already installed.
 		 */
 		handler_obj = obj_desc->device.handler;
 
@@ -864,8 +863,8 @@
 				    handler) {
 					/*
 					 * It is (relatively) OK to attempt to install the SAME
-					 * handler twice. This can easily happen
-					 * with PCI_Config space.
+					 * handler twice. This can easily happen with the
+					 * PCI_Config space.
 					 */
 					status = AE_SAME_HANDLER;
 					goto unlock_and_exit;
@@ -925,9 +924,8 @@
 	/*
 	 * Install the handler
 	 *
-	 * At this point there is no existing handler.
-	 * Just allocate the object for the handler and link it
-	 * into the list.
+	 * At this point there is no existing handler. Just allocate the object
+	 * for the handler and link it into the list.
 	 */
 	handler_obj =
 	    acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_ADDRESS_HANDLER);
@@ -1000,11 +998,10 @@
 	ACPI_FUNCTION_TRACE(ev_execute_reg_methods);
 
 	/*
-	 * Run all _REG methods for all Operation Regions for this
-	 * space ID.  This is a separate walk in order to handle any
-	 * interdependencies between regions and _REG methods.  (i.e. handlers
-	 * must be installed for all regions of this Space ID before we
-	 * can run any _REG methods)
+	 * Run all _REG methods for all Operation Regions for this space ID. This
+	 * is a separate walk in order to handle any interdependencies between
+	 * regions and _REG methods. (i.e. handlers must be installed for all
+	 * regions of this Space ID before we can run any _REG methods)
 	 */
 	status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
 					ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run,
@@ -1042,8 +1039,8 @@
 	}
 
 	/*
-	 * We only care about regions.and objects
-	 * that are allowed to have address space handlers
+	 * We only care about regions.and objects that are allowed to have address
+	 * space handlers
 	 */
 	if ((node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {
 		return (AE_OK);
@@ -1062,10 +1059,9 @@
 	/* Object is a Region */
 
 	if (obj_desc->region.space_id != space_id) {
-		/*
-		 * This region is for a different address space
-		 * -- just ignore it
-		 */
+
+		/* This region is for a different address space, just ignore it */
+
 		return (AE_OK);
 	}
 
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
similarity index 95%
rename from drivers/acpi/events/evrgnini.c
rename to drivers/acpi/acpica/evrgnini.c
index 6b94b38..f3f1fb4 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evrgnini")
@@ -233,9 +234,9 @@
 				if (ACPI_FAILURE(status)) {
 					if (status == AE_SAME_HANDLER) {
 						/*
-						 * It is OK if the handler is already installed on the root
-						 * bridge.  Still need to return a context object for the
-						 * new PCI_Config operation region, however.
+						 * It is OK if the handler is already installed on the
+						 * root bridge. Still need to return a context object
+						 * for the new PCI_Config operation region, however.
 						 */
 						status = AE_OK;
 					} else {
@@ -272,8 +273,8 @@
 	}
 
 	/*
-	 * For PCI_Config space access, we need the segment, bus,
-	 * device and function numbers.  Acquire them here.
+	 * For PCI_Config space access, we need the segment, bus, device and
+	 * function numbers. Acquire them here.
 	 *
 	 * Find the parent device object. (This allows the operation region to be
 	 * within a subscope under the device, such as a control method.)
@@ -289,16 +290,16 @@
 	}
 
 	/*
-	 * Get the PCI device and function numbers from the _ADR object
-	 * contained in the parent's scope.
+	 * Get the PCI device and function numbers from the _ADR object contained
+	 * in the parent's scope.
 	 */
 	status =
 	    acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR, pci_device_node,
 					    &pci_value);
 
 	/*
-	 * The default is zero, and since the allocation above zeroed
-	 * the data, just do nothing on failure.
+	 * The default is zero, and since the allocation above zeroed the data,
+	 * just do nothing on failure.
 	 */
 	if (ACPI_SUCCESS(status)) {
 		pci_id->device = ACPI_HIWORD(ACPI_LODWORD(pci_value));
@@ -382,9 +383,8 @@
 	struct acpi_compatible_id_list *cid;
 	u32 i;
 
-	/*
-	 * Get the _HID and check for a PCI Root Bridge
-	 */
+	/* Get the _HID and check for a PCI Root Bridge */
+
 	status = acpi_ut_execute_HID(node, &hid);
 	if (ACPI_FAILURE(status)) {
 		return (FALSE);
@@ -394,10 +394,8 @@
 		return (TRUE);
 	}
 
-	/*
-	 * The _HID did not match.
-	 * Get the _CID and check for a PCI Root Bridge
-	 */
+	/* The _HID did not match. Get the _CID and check for a PCI Root Bridge */
+
 	status = acpi_ut_execute_CID(node, &cid);
 	if (ACPI_FAILURE(status)) {
 		return (FALSE);
@@ -516,9 +514,9 @@
  *              Get the appropriate address space handler for a newly
  *              created region.
  *
- *              This also performs address space specific initialization.  For
+ *              This also performs address space specific initialization. For
  *              example, PCI regions must have an _ADR object that contains
- *              a PCI address in the scope of the definition.  This address is
+ *              a PCI address in the scope of the definition. This address is
  *              required to perform an access to PCI config space.
  *
  * MUTEX:       Interpreter should be unlocked, because we may run the _REG
@@ -572,7 +570,7 @@
 	if (ACPI_SUCCESS(status)) {
 		/*
 		 * The _REG method is optional and there can be only one per region
-		 * definition.  This will be executed when the handler is attached
+		 * definition. This will be executed when the handler is attached
 		 * or removed
 		 */
 		region_obj2->extra.method_REG = method_node;
@@ -670,10 +668,8 @@
 			}
 		}
 
-		/*
-		 * This node does not have the handler we need;
-		 * Pop up one level
-		 */
+		/* This node does not have the handler we need; Pop up one level */
+
 		node = acpi_ns_get_parent_node(node);
 	}
 
diff --git a/drivers/acpi/events/evsci.c b/drivers/acpi/acpica/evsci.c
similarity index 95%
rename from drivers/acpi/events/evsci.c
rename to drivers/acpi/acpica/evsci.c
index 2a8b778..567b356 100644
--- a/drivers/acpi/events/evsci.c
+++ b/drivers/acpi/acpica/evsci.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
+#include "accommon.h"
+#include "acevents.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evsci")
@@ -115,10 +116,8 @@
 	 * if this interrupt handler is installed, ACPI is enabled.
 	 */
 
-	/*
-	 * GPEs:
-	 * Check for and dispatch any GPEs that have occurred
-	 */
+	/* GPEs: Check for and dispatch any GPEs that have occurred */
+
 	interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list);
 
 	return_UINT32(interrupt_handled);
@@ -158,11 +157,11 @@
  * RETURN:      E_OK if handler uninstalled OK, E_ERROR if handler was not
  *              installed to begin with
  *
- * DESCRIPTION: Remove the SCI interrupt handler.  No further SCIs will be
+ * DESCRIPTION: Remove the SCI interrupt handler. No further SCIs will be
  *              taken.
  *
  * Note:  It doesn't seem important to disable all events or set the event
- *        enable registers to their original values.  The OS should disable
+ *        enable registers to their original values. The OS should disable
  *        the SCI interrupt level when the handler is removed, so no more
  *        events will come in.
  *
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/acpica/evxface.c
similarity index 98%
rename from drivers/acpi/events/evxface.c
rename to drivers/acpi/acpica/evxface.c
index 94a6efe..3aca901 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/acpica/evxface.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evxface")
@@ -267,7 +268,7 @@
 	/*
 	 * Root Object:
 	 * Registering a notify handler on the root object indicates that the
-	 * caller wishes to receive notifications for all objects.  Note that
+	 * caller wishes to receive notifications for all objects. Note that
 	 * only one <external> global handler can be regsitered (per notify type).
 	 */
 	if (device == ACPI_ROOT_OBJECT) {
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
similarity index 81%
rename from drivers/acpi/events/evxfevnt.c
rename to drivers/acpi/acpica/evxfevnt.c
index 41554f7..35485e4 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -42,13 +42,19 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evxfevnt")
 
+/* Local prototypes */
+acpi_status
+acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+		       struct acpi_gpe_block_info *gpe_block, void *context);
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_enable
@@ -60,6 +66,7 @@
  * DESCRIPTION: Transfers the system into ACPI mode.
  *
  ******************************************************************************/
+
 acpi_status acpi_enable(void)
 {
 	acpi_status status = AE_OK;
@@ -161,8 +168,8 @@
 	}
 
 	/*
-	 * Enable the requested fixed event (by writing a one to the
-	 * enable register bit)
+	 * Enable the requested fixed event (by writing a one to the enable
+	 * register bit)
 	 */
 	status =
 	    acpi_set_register(acpi_gbl_fixed_event_info[event].
@@ -343,8 +350,8 @@
 	}
 
 	/*
-	 * Disable the requested fixed event (by writing a zero to the
-	 * enable register bit)
+	 * Disable the requested fixed event (by writing a zero to the enable
+	 * register bit)
 	 */
 	status =
 	    acpi_set_register(acpi_gbl_fixed_event_info[event].
@@ -396,8 +403,8 @@
 	}
 
 	/*
-	 * Clear the requested fixed event (By writing a one to the
-	 * status register bit)
+	 * Clear the requested fixed event (By writing a one to the status
+	 * register bit)
 	 */
 	status =
 	    acpi_set_register(acpi_gbl_fixed_event_info[event].
@@ -717,3 +724,148 @@
 }
 
 ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_gpe_device
+ *
+ * PARAMETERS:  Index               - System GPE index (0-current_gpe_count)
+ *              gpe_device          - Where the parent GPE Device is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Obtain the GPE device associated with the input index. A NULL
+ *              gpe device indicates that the gpe number is contained in one of
+ *              the FADT-defined gpe blocks. Otherwise, the GPE block device.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_get_gpe_device(u32 index, acpi_handle *gpe_device)
+{
+	struct acpi_gpe_device_info info;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(acpi_get_gpe_device);
+
+	if (!gpe_device) {
+		return_ACPI_STATUS(AE_BAD_PARAMETER);
+	}
+
+	if (index >= acpi_current_gpe_count) {
+		return_ACPI_STATUS(AE_NOT_EXIST);
+	}
+
+	/* Setup and walk the GPE list */
+
+	info.index = index;
+	info.status = AE_NOT_EXIST;
+	info.gpe_device = NULL;
+	info.next_block_base_index = 0;
+
+	status = acpi_ev_walk_gpe_list(acpi_ev_get_gpe_device, &info);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	*gpe_device = info.gpe_device;
+	return_ACPI_STATUS(info.status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_gpe_device)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_get_gpe_device
+ *
+ * PARAMETERS:  GPE_WALK_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Matches the input GPE index (0-current_gpe_count) with a GPE
+ *              block device. NULL if the GPE is one of the FADT-defined GPEs.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+		       struct acpi_gpe_block_info *gpe_block, void *context)
+{
+	struct acpi_gpe_device_info *info = context;
+
+	/* Increment Index by the number of GPEs in this block */
+
+	info->next_block_base_index +=
+	    (gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH);
+
+	if (info->index < info->next_block_base_index) {
+		/*
+		 * The GPE index is within this block, get the node. Leave the node
+		 * NULL for the FADT-defined GPEs
+		 */
+		if ((gpe_block->node)->type == ACPI_TYPE_DEVICE) {
+			info->gpe_device = gpe_block->node;
+		}
+
+		info->status = AE_OK;
+		return (AE_CTRL_END);
+	}
+
+	return (AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_disable_all_gpes
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Disable and clear all GPEs in all GPE blocks
+ *
+ ******************************************************************************/
+
+acpi_status acpi_disable_all_gpes(void)
+{
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(acpi_disable_all_gpes);
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	status = acpi_hw_disable_all_gpes();
+	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+	return_ACPI_STATUS(status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_enable_all_runtime_gpes
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks
+ *
+ ******************************************************************************/
+
+acpi_status acpi_enable_all_runtime_gpes(void)
+{
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(acpi_enable_all_runtime_gpes);
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	status = acpi_hw_enable_all_runtime_gpes();
+	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+	return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/events/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
similarity index 98%
rename from drivers/acpi/events/evxfregn.c
rename to drivers/acpi/acpica/evxfregn.c
index e875080..479e7a3 100644
--- a/drivers/acpi/events/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -43,8 +43,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acevents.h"
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evxfregn")
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/acpica/exconfig.c
similarity index 98%
rename from drivers/acpi/executer/exconfig.c
rename to drivers/acpi/acpica/exconfig.c
index 74da6fa..932bbc2 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -42,10 +42,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/actables.h>
-#include <acpi/acdispat.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "actables.h"
+#include "acdispat.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exconfig")
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
similarity index 99%
rename from drivers/acpi/executer/exconvrt.c
rename to drivers/acpi/acpica/exconvrt.c
index 1d1f35a..0be1018 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exconvrt")
diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/acpica/excreate.c
similarity index 99%
rename from drivers/acpi/executer/excreate.c
rename to drivers/acpi/acpica/excreate.c
index ad09696..a57ad25 100644
--- a/drivers/acpi/executer/excreate.c
+++ b/drivers/acpi/acpica/excreate.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("excreate")
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/acpica/exdump.c
similarity index 99%
rename from drivers/acpi/executer/exdump.c
rename to drivers/acpi/acpica/exdump.c
index d087a7d..aa31357 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exdump")
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/acpica/exfield.c
similarity index 99%
rename from drivers/acpi/executer/exfield.c
rename to drivers/acpi/acpica/exfield.c
index 3e440d8..a352d02 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exfield")
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/acpica/exfldio.c
similarity index 98%
rename from drivers/acpi/executer/exfldio.c
rename to drivers/acpi/acpica/exfldio.c
index 9ff9d1f..ef58ac4 100644
--- a/drivers/acpi/executer/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -42,10 +42,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/acevents.h>
-#include <acpi/acdispat.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acevents.h"
+#include "acdispat.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exfldio")
@@ -498,14 +499,13 @@
 			return_ACPI_STATUS(status);
 		}
 
-		ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-				  "I/O to Data Register: ValuePtr %p\n",
-				  value));
-
 		if (read_write == ACPI_READ) {
 
 			/* Read the datum from the data_register */
 
+			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+					  "Read from Data Register\n"));
+
 			status =
 			    acpi_ex_extract_from_field(obj_desc->index_field.
 						       data_obj, value,
@@ -513,6 +513,10 @@
 		} else {
 			/* Write the datum to the data_register */
 
+			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+					  "Write to Data Register: Value %8.8X%8.8X\n",
+					  ACPI_FORMAT_UINT64(*value)));
+
 			status =
 			    acpi_ex_insert_into_field(obj_desc->index_field.
 						      data_obj, value,
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/acpica/exmisc.c
similarity index 99%
rename from drivers/acpi/executer/exmisc.c
rename to drivers/acpi/acpica/exmisc.c
index efb1913..6b0747a 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/acpica/exmisc.c
@@ -43,9 +43,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/amlresrc.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "amlresrc.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exmisc")
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/acpica/exmutex.c
similarity index 99%
rename from drivers/acpi/executer/exmutex.c
rename to drivers/acpi/acpica/exmutex.c
index a8bf3d7..d301c1f 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -43,8 +43,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/acevents.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acevents.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exmutex")
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/acpica/exnames.c
similarity index 99%
rename from drivers/acpi/executer/exnames.c
rename to drivers/acpi/acpica/exnames.c
index 817e67b..ffdae12 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/acpica/exnames.c
@@ -43,8 +43,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exnames")
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/acpica/exoparg1.c
similarity index 99%
rename from drivers/acpi/executer/exoparg1.c
rename to drivers/acpi/acpica/exoparg1.c
index f622f9e..b530480 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/acpica/exoparg1.c
@@ -43,11 +43,12 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exoparg1")
diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/acpica/exoparg2.c
similarity index 98%
rename from drivers/acpi/executer/exoparg2.c
rename to drivers/acpi/acpica/exoparg2.c
index 368def5..0b4f513 100644
--- a/drivers/acpi/executer/exoparg2.c
+++ b/drivers/acpi/acpica/exoparg2.c
@@ -42,10 +42,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/acinterp.h>
-#include <acpi/acevents.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acinterp.h"
+#include "acevents.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exoparg2")
diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/acpica/exoparg3.c
similarity index 98%
rename from drivers/acpi/executer/exoparg3.c
rename to drivers/acpi/acpica/exoparg3.c
index 9cb4197..c6520bb 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/acpica/exoparg3.c
@@ -43,9 +43,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acparser.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exoparg3")
diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
similarity index 98%
rename from drivers/acpi/executer/exoparg6.c
rename to drivers/acpi/acpica/exoparg6.c
index 67d4873..ae43f76 100644
--- a/drivers/acpi/executer/exoparg6.c
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -43,9 +43,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acparser.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exoparg6")
diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/acpica/exprep.c
similarity index 99%
rename from drivers/acpi/executer/exprep.c
rename to drivers/acpi/acpica/exprep.c
index a7dc87e..a226f74 100644
--- a/drivers/acpi/executer/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -43,9 +43,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exprep")
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/acpica/exregion.c
similarity index 99%
rename from drivers/acpi/executer/exregion.c
rename to drivers/acpi/acpica/exregion.c
index 7a41c40..76ec8ff 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exregion")
diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/acpica/exresnte.c
similarity index 98%
rename from drivers/acpi/executer/exresnte.c
rename to drivers/acpi/acpica/exresnte.c
index 423ad36..a063a74 100644
--- a/drivers/acpi/executer/exresnte.c
+++ b/drivers/acpi/acpica/exresnte.c
@@ -43,9 +43,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exresnte")
diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/acpica/exresolv.c
similarity index 98%
rename from drivers/acpi/executer/exresolv.c
rename to drivers/acpi/acpica/exresolv.c
index 60e8c47..f6105a6 100644
--- a/drivers/acpi/executer/exresolv.c
+++ b/drivers/acpi/acpica/exresolv.c
@@ -43,10 +43,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exresolv")
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/acpica/exresop.c
similarity index 99%
rename from drivers/acpi/executer/exresop.c
rename to drivers/acpi/acpica/exresop.c
index 0bb8259..3c38027 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/acpica/exresop.c
@@ -43,10 +43,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/amlcode.h>
-#include <acpi/acparser.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acparser.h"
+#include "acinterp.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exresop")
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/acpica/exstore.c
similarity index 99%
rename from drivers/acpi/executer/exstore.c
rename to drivers/acpi/acpica/exstore.c
index 1c118ba..e35e9b4 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/acpica/exstore.c
@@ -43,10 +43,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exstore")
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/acpica/exstoren.c
similarity index 98%
rename from drivers/acpi/executer/exstoren.c
rename to drivers/acpi/acpica/exstoren.c
index eef61a0..145d153 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/acpica/exstoren.c
@@ -44,8 +44,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exstoren")
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/acpica/exstorob.c
similarity index 99%
rename from drivers/acpi/executer/exstorob.c
rename to drivers/acpi/acpica/exstorob.c
index 9a75ff0..67340cc 100644
--- a/drivers/acpi/executer/exstorob.c
+++ b/drivers/acpi/acpica/exstorob.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exstorob")
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/acpica/exsystem.c
similarity index 99%
rename from drivers/acpi/executer/exsystem.c
rename to drivers/acpi/acpica/exsystem.c
index 68990f1..3d00b93 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/acpica/exsystem.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exsystem")
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/acpica/exutils.c
similarity index 99%
rename from drivers/acpi/executer/exutils.c
rename to drivers/acpi/acpica/exutils.c
index 86c0388..32b85d6 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -59,8 +59,9 @@
 #define DEFINE_AML_GLOBALS
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exutils")
diff --git a/drivers/acpi/hardware/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
similarity index 99%
rename from drivers/acpi/hardware/hwacpi.c
rename to drivers/acpi/acpica/hwacpi.c
index 816894e..a9d4fea 100644
--- a/drivers/acpi/hardware/hwacpi.c
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -43,6 +43,7 @@
  */
 
 #include <acpi/acpi.h>
+#include "accommon.h"
 
 #define _COMPONENT          ACPI_HARDWARE
 ACPI_MODULE_NAME("hwacpi")
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
similarity index 86%
rename from drivers/acpi/hardware/hwgpe.c
rename to drivers/acpi/acpica/hwgpe.c
index 0b80db9..2013b66 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
+#include "accommon.h"
+#include "acevents.h"
 
 #define _COMPONENT          ACPI_HARDWARE
 ACPI_MODULE_NAME("hwgpe")
@@ -51,7 +52,8 @@
 /* Local prototypes */
 static acpi_status
 acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
-				struct acpi_gpe_block_info *gpe_block);
+				struct acpi_gpe_block_info *gpe_block,
+				void *context);
 
 /******************************************************************************
  *
@@ -80,8 +82,7 @@
 
 	/* Get current value of the enable register that contains this GPE */
 
-	status = acpi_hw_low_level_read(ACPI_GPE_REGISTER_WIDTH, &enable_mask,
-					&gpe_register_info->enable_address);
+	status = acpi_read(&enable_mask, &gpe_register_info->enable_address);
 	if (ACPI_FAILURE(status)) {
 		return (status);
 	}
@@ -95,9 +96,7 @@
 
 	/* Write the updated enable mask */
 
-	status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, enable_mask,
-					 &gpe_register_info->enable_address);
-
+	status = acpi_write(enable_mask, &gpe_register_info->enable_address);
 	return (status);
 }
 
@@ -132,8 +131,8 @@
 
 	/* Write the entire GPE (runtime) enable register */
 
-	status = acpi_hw_low_level_write(8, gpe_register_info->enable_for_run,
-					 &gpe_register_info->enable_address);
+	status = acpi_write(gpe_register_info->enable_for_run,
+			    &gpe_register_info->enable_address);
 
 	return (status);
 }
@@ -166,9 +165,8 @@
 	 * Write a one to the appropriate bit in the status register to
 	 * clear this GPE.
 	 */
-	status = acpi_hw_low_level_write(8, register_bit,
-					 &gpe_event_info->register_info->
-					 status_address);
+	status = acpi_write(register_bit,
+			    &gpe_event_info->register_info->status_address);
 
 	return (status);
 }
@@ -227,9 +225,7 @@
 
 	/* GPE currently active (status bit == 1)? */
 
-	status =
-	    acpi_hw_low_level_read(8, &in_byte,
-				   &gpe_register_info->status_address);
+	status = acpi_read(&in_byte, &gpe_register_info->status_address);
 	if (ACPI_FAILURE(status)) {
 		goto unlock_and_exit;
 	}
@@ -260,8 +256,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
-			  struct acpi_gpe_block_info * gpe_block)
+acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+			  struct acpi_gpe_block_info *gpe_block, void *context)
 {
 	u32 i;
 	acpi_status status;
@@ -272,9 +268,9 @@
 
 		/* Disable all GPEs in this register */
 
-		status = acpi_hw_low_level_write(8, 0x00,
-						 &gpe_block->register_info[i].
-						 enable_address);
+		status =
+		    acpi_write(0x00,
+			       &gpe_block->register_info[i].enable_address);
 		if (ACPI_FAILURE(status)) {
 			return (status);
 		}
@@ -297,8 +293,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
-			struct acpi_gpe_block_info * gpe_block)
+acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+			struct acpi_gpe_block_info *gpe_block, void *context)
 {
 	u32 i;
 	acpi_status status;
@@ -309,9 +305,9 @@
 
 		/* Clear status on all GPEs in this register */
 
-		status = acpi_hw_low_level_write(8, 0xFF,
-						 &gpe_block->register_info[i].
-						 status_address);
+		status =
+		    acpi_write(0xFF,
+			       &gpe_block->register_info[i].status_address);
 		if (ACPI_FAILURE(status)) {
 			return (status);
 		}
@@ -335,8 +331,8 @@
  ******************************************************************************/
 
 acpi_status
-acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
-				 struct acpi_gpe_block_info * gpe_block)
+acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+				 struct acpi_gpe_block_info *gpe_block, void *context)
 {
 	u32 i;
 	acpi_status status;
@@ -352,12 +348,9 @@
 
 		/* Enable all "runtime" GPEs in this register */
 
-		status =
-		    acpi_hw_low_level_write(8,
-					    gpe_block->register_info[i].
-					    enable_for_run,
-					    &gpe_block->register_info[i].
-					    enable_address);
+		status = acpi_write(gpe_block->register_info[i].enable_for_run,
+				    &gpe_block->register_info[i].
+				    enable_address);
 		if (ACPI_FAILURE(status)) {
 			return (status);
 		}
@@ -382,7 +375,8 @@
 
 static acpi_status
 acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
-				struct acpi_gpe_block_info *gpe_block)
+				struct acpi_gpe_block_info *gpe_block,
+				void *context)
 {
 	u32 i;
 	acpi_status status;
@@ -396,11 +390,9 @@
 
 		/* Enable all "wake" GPEs in this register */
 
-		status = acpi_hw_low_level_write(8,
-						 gpe_block->register_info[i].
-						 enable_for_wake,
-						 &gpe_block->register_info[i].
-						 enable_address);
+		status = acpi_write(gpe_block->register_info[i].enable_for_wake,
+				    &gpe_block->register_info[i].
+				    enable_address);
 		if (ACPI_FAILURE(status)) {
 			return (status);
 		}
@@ -427,8 +419,8 @@
 
 	ACPI_FUNCTION_TRACE(hw_disable_all_gpes);
 
-	status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block);
-	status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
+	status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL);
+	status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block, NULL);
 	return_ACPI_STATUS(status);
 }
 
@@ -450,7 +442,7 @@
 
 	ACPI_FUNCTION_TRACE(hw_enable_all_runtime_gpes);
 
-	status = acpi_ev_walk_gpe_list(acpi_hw_enable_runtime_gpe_block);
+	status = acpi_ev_walk_gpe_list(acpi_hw_enable_runtime_gpe_block, NULL);
 	return_ACPI_STATUS(status);
 }
 
@@ -472,6 +464,6 @@
 
 	ACPI_FUNCTION_TRACE(hw_enable_all_wakeup_gpes);
 
-	status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block);
+	status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block, NULL);
 	return_ACPI_STATUS(status);
 }
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
new file mode 100644
index 0000000..4dc43b0
--- /dev/null
+++ b/drivers/acpi/acpica/hwregs.c
@@ -0,0 +1,353 @@
+
+/*******************************************************************************
+ *
+ * Module Name: hwregs - Read/write access functions for the various ACPI
+ *                       control and status registers.
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acevents.h"
+
+#define _COMPONENT          ACPI_HARDWARE
+ACPI_MODULE_NAME("hwregs")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_clear_acpi_status
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Clears all fixed and general purpose status bits
+ *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
+ *
+ ******************************************************************************/
+acpi_status acpi_hw_clear_acpi_status(void)
+{
+	acpi_status status;
+	acpi_cpu_flags lock_flags = 0;
+
+	ACPI_FUNCTION_TRACE(hw_clear_acpi_status);
+
+	ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n",
+			  ACPI_BITMASK_ALL_FIXED_STATUS,
+			  (u16) acpi_gbl_FADT.xpm1a_event_block.address));
+
+	lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
+
+	status = acpi_hw_register_write(ACPI_REGISTER_PM1_STATUS,
+					ACPI_BITMASK_ALL_FIXED_STATUS);
+	if (ACPI_FAILURE(status)) {
+		goto unlock_and_exit;
+	}
+
+	/* Clear the fixed events */
+
+	if (acpi_gbl_FADT.xpm1b_event_block.address) {
+		status = acpi_write(ACPI_BITMASK_ALL_FIXED_STATUS,
+				    &acpi_gbl_FADT.xpm1b_event_block);
+		if (ACPI_FAILURE(status)) {
+			goto unlock_and_exit;
+		}
+	}
+
+	/* Clear the GPE Bits in all GPE registers in all GPE blocks */
+
+	status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block, NULL);
+
+      unlock_and_exit:
+	acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
+	return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_get_register_bit_mask
+ *
+ * PARAMETERS:  register_id         - Index of ACPI Register to access
+ *
+ * RETURN:      The bitmask to be used when accessing the register
+ *
+ * DESCRIPTION: Map register_id into a register bitmask.
+ *
+ ******************************************************************************/
+
+struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
+{
+	ACPI_FUNCTION_ENTRY();
+
+	if (register_id > ACPI_BITREG_MAX) {
+		ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: %X",
+			    register_id));
+		return (NULL);
+	}
+
+	return (&acpi_gbl_bit_register_info[register_id]);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_register_read
+ *
+ * PARAMETERS:  register_id         - ACPI Register ID
+ *              return_value        - Where the register value is returned
+ *
+ * RETURN:      Status and the value read.
+ *
+ * DESCRIPTION: Read from the specified ACPI register
+ *
+ ******************************************************************************/
+acpi_status
+acpi_hw_register_read(u32 register_id, u32 * return_value)
+{
+	u32 value1 = 0;
+	u32 value2 = 0;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(hw_register_read);
+
+	switch (register_id) {
+	case ACPI_REGISTER_PM1_STATUS:	/* 16-bit access */
+
+		status = acpi_read(&value1, &acpi_gbl_FADT.xpm1a_event_block);
+		if (ACPI_FAILURE(status)) {
+			goto exit;
+		}
+
+		/* PM1B is optional */
+
+		status = acpi_read(&value2, &acpi_gbl_FADT.xpm1b_event_block);
+		value1 |= value2;
+		break;
+
+	case ACPI_REGISTER_PM1_ENABLE:	/* 16-bit access */
+
+		status = acpi_read(&value1, &acpi_gbl_xpm1a_enable);
+		if (ACPI_FAILURE(status)) {
+			goto exit;
+		}
+
+		/* PM1B is optional */
+
+		status = acpi_read(&value2, &acpi_gbl_xpm1b_enable);
+		value1 |= value2;
+		break;
+
+	case ACPI_REGISTER_PM1_CONTROL:	/* 16-bit access */
+
+		status = acpi_read(&value1, &acpi_gbl_FADT.xpm1a_control_block);
+		if (ACPI_FAILURE(status)) {
+			goto exit;
+		}
+
+		status = acpi_read(&value2, &acpi_gbl_FADT.xpm1b_control_block);
+		value1 |= value2;
+		break;
+
+	case ACPI_REGISTER_PM2_CONTROL:	/* 8-bit access */
+
+		status = acpi_read(&value1, &acpi_gbl_FADT.xpm2_control_block);
+		break;
+
+	case ACPI_REGISTER_PM_TIMER:	/* 32-bit access */
+
+		status = acpi_read(&value1, &acpi_gbl_FADT.xpm_timer_block);
+		break;
+
+	case ACPI_REGISTER_SMI_COMMAND_BLOCK:	/* 8-bit access */
+
+		status =
+		    acpi_os_read_port(acpi_gbl_FADT.smi_command, &value1, 8);
+		break;
+
+	default:
+		ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
+		status = AE_BAD_PARAMETER;
+		break;
+	}
+
+      exit:
+
+	if (ACPI_SUCCESS(status)) {
+		*return_value = value1;
+	}
+
+	return_ACPI_STATUS(status);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_register_write
+ *
+ * PARAMETERS:  register_id         - ACPI Register ID
+ *              Value               - The value to write
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Write to the specified ACPI register
+ *
+ * NOTE: In accordance with the ACPI specification, this function automatically
+ * preserves the value of the following bits, meaning that these bits cannot be
+ * changed via this interface:
+ *
+ * PM1_CONTROL[0] = SCI_EN
+ * PM1_CONTROL[9]
+ * PM1_STATUS[11]
+ *
+ * ACPI References:
+ * 1) Hardware Ignored Bits: When software writes to a register with ignored
+ *      bit fields, it preserves the ignored bit fields
+ * 2) SCI_EN: OSPM always preserves this bit position
+ *
+ ******************************************************************************/
+
+acpi_status acpi_hw_register_write(u32 register_id, u32 value)
+{
+	acpi_status status;
+	u32 read_value;
+
+	ACPI_FUNCTION_TRACE(hw_register_write);
+
+	switch (register_id) {
+	case ACPI_REGISTER_PM1_STATUS:	/* 16-bit access */
+
+		/* Perform a read first to preserve certain bits (per ACPI spec) */
+
+		status = acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS,
+					       &read_value);
+		if (ACPI_FAILURE(status)) {
+			goto exit;
+		}
+
+		/* Insert the bits to be preserved */
+
+		ACPI_INSERT_BITS(value, ACPI_PM1_STATUS_PRESERVED_BITS,
+				 read_value);
+
+		/* Now we can write the data */
+
+		status = acpi_write(value, &acpi_gbl_FADT.xpm1a_event_block);
+		if (ACPI_FAILURE(status)) {
+			goto exit;
+		}
+
+		/* PM1B is optional */
+
+		status = acpi_write(value, &acpi_gbl_FADT.xpm1b_event_block);
+		break;
+
+	case ACPI_REGISTER_PM1_ENABLE:	/* 16-bit access */
+
+		status = acpi_write(value, &acpi_gbl_xpm1a_enable);
+		if (ACPI_FAILURE(status)) {
+			goto exit;
+		}
+
+		/* PM1B is optional */
+
+		status = acpi_write(value, &acpi_gbl_xpm1b_enable);
+		break;
+
+	case ACPI_REGISTER_PM1_CONTROL:	/* 16-bit access */
+
+		/*
+		 * Perform a read first to preserve certain bits (per ACPI spec)
+		 */
+		status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL,
+					       &read_value);
+		if (ACPI_FAILURE(status)) {
+			goto exit;
+		}
+
+		/* Insert the bits to be preserved */
+
+		ACPI_INSERT_BITS(value, ACPI_PM1_CONTROL_PRESERVED_BITS,
+				 read_value);
+
+		/* Now we can write the data */
+
+		status = acpi_write(value, &acpi_gbl_FADT.xpm1a_control_block);
+		if (ACPI_FAILURE(status)) {
+			goto exit;
+		}
+
+		status = acpi_write(value, &acpi_gbl_FADT.xpm1b_control_block);
+		break;
+
+	case ACPI_REGISTER_PM1A_CONTROL:	/* 16-bit access */
+
+		status = acpi_write(value, &acpi_gbl_FADT.xpm1a_control_block);
+		break;
+
+	case ACPI_REGISTER_PM1B_CONTROL:	/* 16-bit access */
+
+		status = acpi_write(value, &acpi_gbl_FADT.xpm1b_control_block);
+		break;
+
+	case ACPI_REGISTER_PM2_CONTROL:	/* 8-bit access */
+
+		status = acpi_write(value, &acpi_gbl_FADT.xpm2_control_block);
+		break;
+
+	case ACPI_REGISTER_PM_TIMER:	/* 32-bit access */
+
+		status = acpi_write(value, &acpi_gbl_FADT.xpm_timer_block);
+		break;
+
+	case ACPI_REGISTER_SMI_COMMAND_BLOCK:	/* 8-bit access */
+
+		/* SMI_CMD is currently always in IO space */
+
+		status =
+		    acpi_os_write_port(acpi_gbl_FADT.smi_command, value, 8);
+		break;
+
+	default:
+		status = AE_BAD_PARAMETER;
+		break;
+	}
+
+      exit:
+	return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
similarity index 90%
rename from drivers/acpi/hardware/hwsleep.c
rename to drivers/acpi/acpica/hwsleep.c
index 25dccdf..a2af2a4 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_HARDWARE
 ACPI_MODULE_NAME("hwsleep")
@@ -52,31 +53,19 @@
  *
  * FUNCTION:    acpi_set_firmware_waking_vector
  *
- * PARAMETERS:  physical_address    - Physical address of ACPI real mode
+ * PARAMETERS:  physical_address    - 32-bit physical address of ACPI real mode
  *                                    entry point.
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Access function for the firmware_waking_vector field in FACS
+ * DESCRIPTION: Sets the 32-bit firmware_waking_vector field of the FACS
  *
  ******************************************************************************/
 acpi_status
-acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
+acpi_set_firmware_waking_vector(u32 physical_address)
 {
-	struct acpi_table_facs *facs;
-	acpi_status status;
-
 	ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector);
 
-	/* Get the FACS */
-
-	status = acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
-					 ACPI_CAST_INDIRECT_PTR(struct
-								acpi_table_header,
-								&facs));
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
 
 	/*
 	 * According to the ACPI specification 2.0c and later, the 64-bit
@@ -85,10 +74,16 @@
 	 * Protected Mode.  Some systems (for example HP dv5-1004nr) are known
 	 * to fail to resume if the 64-bit vector is used.
 	 */
-	if (facs->version >= 1)
-		facs->xfirmware_waking_vector = 0;
 
-	facs->firmware_waking_vector = (u32)physical_address;
+	/* Set the 32-bit vector */
+
+	acpi_gbl_FACS->firmware_waking_vector = physical_address;
+
+	/* Clear the 64-bit vector if it exists */
+
+	if ((acpi_gbl_FACS->length > 32) && (acpi_gbl_FACS->version >= 1)) {
+		acpi_gbl_FACS->xfirmware_waking_vector = 0;
+	}
 
 	return_ACPI_STATUS(AE_OK);
 }
@@ -97,48 +92,39 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_get_firmware_waking_vector
+ * FUNCTION:    acpi_set_firmware_waking_vector64
  *
- * PARAMETERS:  *physical_address   - Where the contents of
- *                                    the firmware_waking_vector field of
- *                                    the FACS will be returned.
+ * PARAMETERS:  physical_address    - 64-bit physical address of ACPI protected
+ *                                    mode entry point.
  *
- * RETURN:      Status, vector
+ * RETURN:      Status
  *
- * DESCRIPTION: Access function for the firmware_waking_vector field in FACS
+ * DESCRIPTION: Sets the 64-bit X_firmware_waking_vector field of the FACS, if
+ *              it exists in the table.
  *
  ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
 acpi_status
-acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
+acpi_set_firmware_waking_vector64(u64 physical_address)
 {
-	struct acpi_table_facs *facs;
-	acpi_status status;
+	ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector64);
 
-	ACPI_FUNCTION_TRACE(acpi_get_firmware_waking_vector);
 
-	if (!physical_address) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
+	/* Determine if the 64-bit vector actually exists */
+
+	if ((acpi_gbl_FACS->length <= 32) || (acpi_gbl_FACS->version < 1)) {
+		return_ACPI_STATUS(AE_NOT_EXIST);
 	}
 
-	/* Get the FACS */
+	/* Clear 32-bit vector, set the 64-bit X_ vector */
 
-	status = acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
-					 ACPI_CAST_INDIRECT_PTR(struct
-								acpi_table_header,
-								&facs));
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Get the vector */
-	*physical_address = (acpi_physical_address)facs->firmware_waking_vector;
+	acpi_gbl_FACS->firmware_waking_vector = 0;
+	acpi_gbl_FACS->xfirmware_waking_vector = physical_address;
 
 	return_ACPI_STATUS(AE_OK);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_get_firmware_waking_vector)
-#endif
+ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector64)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_enter_sleep_state_prep
diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/acpica/hwtimer.c
similarity index 99%
rename from drivers/acpi/hardware/hwtimer.c
rename to drivers/acpi/acpica/hwtimer.c
index b53d575..b7f522c 100644
--- a/drivers/acpi/hardware/hwtimer.c
+++ b/drivers/acpi/acpica/hwtimer.c
@@ -43,6 +43,7 @@
  */
 
 #include <acpi/acpi.h>
+#include "accommon.h"
 
 #define _COMPONENT          ACPI_HARDWARE
 ACPI_MODULE_NAME("hwtimer")
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/acpica/hwxface.c
similarity index 62%
rename from drivers/acpi/hardware/hwregs.c
rename to drivers/acpi/acpica/hwxface.c
index ddf792a..ae597c0 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -1,10 +1,9 @@
 
-/*******************************************************************************
+/******************************************************************************
  *
- * Module Name: hwregs - Read/write access functions for the various ACPI
- *                       control and status registers.
+ * Module Name: hwxface - Public ACPICA hardware interfaces
  *
- ******************************************************************************/
+ *****************************************************************************/
 
 /*
  * Copyright (C) 2000 - 2008, Intel Corp.
@@ -44,63 +43,437 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_HARDWARE
-ACPI_MODULE_NAME("hwregs")
+ACPI_MODULE_NAME("hwxface")
 
-/*******************************************************************************
+/******************************************************************************
  *
- * FUNCTION:    acpi_hw_clear_acpi_status
+ * FUNCTION:    acpi_reset
  *
  * PARAMETERS:  None
  *
- * RETURN:      None
+ * RETURN:      Status
  *
- * DESCRIPTION: Clears all fixed and general purpose status bits
- *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
+ * DESCRIPTION: Set reset register in memory or IO space. Note: Does not
+ *              support reset register in PCI config space, this must be
+ *              handled separately.
  *
  ******************************************************************************/
-acpi_status acpi_hw_clear_acpi_status(void)
+acpi_status acpi_reset(void)
+{
+	struct acpi_generic_address *reset_reg;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(acpi_reset);
+
+	reset_reg = &acpi_gbl_FADT.reset_register;
+
+	/* Check if the reset register is supported */
+
+	if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
+	    !reset_reg->address) {
+		return_ACPI_STATUS(AE_NOT_EXIST);
+	}
+
+	/* Write the reset value to the reset register */
+
+	status = acpi_write(acpi_gbl_FADT.reset_value, reset_reg);
+	return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_reset)
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_read
+ *
+ * PARAMETERS:  Value               - Where the value is returned
+ *              Reg                 - GAS register structure
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Read from either memory or IO space.
+ *
+ ******************************************************************************/
+acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg)
+{
+	u32 width;
+	u64 address;
+	acpi_status status;
+
+	ACPI_FUNCTION_NAME(acpi_read);
+
+	/*
+	 * Must have a valid pointer to a GAS structure, and
+	 * a non-zero address within. However, don't return an error
+	 * because the PM1A/B code must not fail if B isn't present.
+	 */
+	if (!reg) {
+		return (AE_OK);
+	}
+
+	/* Get a local copy of the address. Handles possible alignment issues */
+
+	ACPI_MOVE_64_TO_64(&address, &reg->address);
+	if (!address) {
+		return (AE_OK);
+	}
+
+	/* Supported widths are 8/16/32 */
+
+	width = reg->bit_width;
+	if ((width != 8) && (width != 16) && (width != 32)) {
+		return (AE_SUPPORT);
+	}
+
+	/* Initialize entire 32-bit return value to zero */
+
+	*value = 0;
+
+	/*
+	 * Two address spaces supported: Memory or IO.
+	 * PCI_Config is not supported here because the GAS struct is insufficient
+	 */
+	switch (reg->space_id) {
+	case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+
+		status = acpi_os_read_memory((acpi_physical_address) address,
+					     value, width);
+		break;
+
+	case ACPI_ADR_SPACE_SYSTEM_IO:
+
+		status =
+		    acpi_os_read_port((acpi_io_address) address, value, width);
+		break;
+
+	default:
+		ACPI_ERROR((AE_INFO,
+			    "Unsupported address space: %X", reg->space_id));
+		return (AE_BAD_PARAMETER);
+	}
+
+	ACPI_DEBUG_PRINT((ACPI_DB_IO,
+			  "Read:  %8.8X width %2d from %8.8X%8.8X (%s)\n",
+			  *value, width, ACPI_FORMAT_UINT64(address),
+			  acpi_ut_get_region_name(reg->space_id)));
+
+	return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_read)
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_write
+ *
+ * PARAMETERS:  Value               - To be written
+ *              Reg                 - GAS register structure
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Write to either memory or IO space.
+ *
+ ******************************************************************************/
+acpi_status acpi_write(u32 value, struct acpi_generic_address *reg)
+{
+	u32 width;
+	u64 address;
+	acpi_status status;
+
+	ACPI_FUNCTION_NAME(acpi_write);
+
+	/*
+	 * Must have a valid pointer to a GAS structure, and
+	 * a non-zero address within. However, don't return an error
+	 * because the PM1A/B code must not fail if B isn't present.
+	 */
+	if (!reg) {
+		return (AE_OK);
+	}
+
+	/* Get a local copy of the address. Handles possible alignment issues */
+
+	ACPI_MOVE_64_TO_64(&address, &reg->address);
+	if (!address) {
+		return (AE_OK);
+	}
+
+	/* Supported widths are 8/16/32 */
+
+	width = reg->bit_width;
+	if ((width != 8) && (width != 16) && (width != 32)) {
+		return (AE_SUPPORT);
+	}
+
+	/*
+	 * Two address spaces supported: Memory or IO.
+	 * PCI_Config is not supported here because the GAS struct is insufficient
+	 */
+	switch (reg->space_id) {
+	case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+
+		status = acpi_os_write_memory((acpi_physical_address) address,
+					      value, width);
+		break;
+
+	case ACPI_ADR_SPACE_SYSTEM_IO:
+
+		status = acpi_os_write_port((acpi_io_address) address, value,
+					    width);
+		break;
+
+	default:
+		ACPI_ERROR((AE_INFO,
+			    "Unsupported address space: %X", reg->space_id));
+		return (AE_BAD_PARAMETER);
+	}
+
+	ACPI_DEBUG_PRINT((ACPI_DB_IO,
+			  "Wrote: %8.8X width %2d   to %8.8X%8.8X (%s)\n",
+			  value, width, ACPI_FORMAT_UINT64(address),
+			  acpi_ut_get_region_name(reg->space_id)));
+
+	return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_write)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_register_unlocked
+ *
+ * PARAMETERS:  register_id     - ID of ACPI bit_register to access
+ *              return_value    - Value that was read from the register
+ *
+ * RETURN:      Status and the value read from specified Register. Value
+ *              returned is normalized to bit0 (is shifted all the way right)
+ *
+ * DESCRIPTION: ACPI bit_register read function. Does not acquire the HW lock.
+ *
+ ******************************************************************************/
+acpi_status acpi_get_register_unlocked(u32 register_id, u32 *return_value)
+{
+	u32 register_value = 0;
+	struct acpi_bit_register_info *bit_reg_info;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE(acpi_get_register_unlocked);
+
+	/* Get the info structure corresponding to the requested ACPI Register */
+
+	bit_reg_info = acpi_hw_get_bit_register_info(register_id);
+	if (!bit_reg_info) {
+		return_ACPI_STATUS(AE_BAD_PARAMETER);
+	}
+
+	/* Read from the register */
+
+	status = acpi_hw_register_read(bit_reg_info->parent_register,
+				       &register_value);
+
+	if (ACPI_SUCCESS(status)) {
+
+		/* Normalize the value that was read */
+
+		register_value =
+		    ((register_value & bit_reg_info->access_bit_mask)
+		     >> bit_reg_info->bit_position);
+
+		*return_value = register_value;
+
+		ACPI_DEBUG_PRINT((ACPI_DB_IO, "Read value %8.8X register %X\n",
+				  register_value,
+				  bit_reg_info->parent_register));
+	}
+
+	return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_register_unlocked)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_register
+ *
+ * PARAMETERS:  register_id     - ID of ACPI bit_register to access
+ *              return_value    - Value that was read from the register
+ *
+ * RETURN:      Status and the value read from specified Register. Value
+ *              returned is normalized to bit0 (is shifted all the way right)
+ *
+ * DESCRIPTION: ACPI bit_register read function.
+ *
+ ******************************************************************************/
+acpi_status acpi_get_register(u32 register_id, u32 *return_value)
 {
 	acpi_status status;
-	acpi_cpu_flags lock_flags = 0;
+	acpi_cpu_flags flags;
 
-	ACPI_FUNCTION_TRACE(hw_clear_acpi_status);
+	flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
+	status = acpi_get_register_unlocked(register_id, return_value);
+	acpi_os_release_lock(acpi_gbl_hardware_lock, flags);
 
-	ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n",
-			  ACPI_BITMASK_ALL_FIXED_STATUS,
-			  (u16) acpi_gbl_FADT.xpm1a_event_block.address));
+	return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_register)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_set_register
+ *
+ * PARAMETERS:  register_id     - ID of ACPI bit_register to access
+ *              Value           - (only used on write) value to write to the
+ *                                Register, NOT pre-normalized to the bit pos
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: ACPI Bit Register write function.
+ *
+ ******************************************************************************/
+acpi_status acpi_set_register(u32 register_id, u32 value)
+{
+	u32 register_value = 0;
+	struct acpi_bit_register_info *bit_reg_info;
+	acpi_status status;
+	acpi_cpu_flags lock_flags;
+
+	ACPI_FUNCTION_TRACE_U32(acpi_set_register, register_id);
+
+	/* Get the info structure corresponding to the requested ACPI Register */
+
+	bit_reg_info = acpi_hw_get_bit_register_info(register_id);
+	if (!bit_reg_info) {
+		ACPI_ERROR((AE_INFO, "Bad ACPI HW RegisterId: %X",
+			    register_id));
+		return_ACPI_STATUS(AE_BAD_PARAMETER);
+	}
 
 	lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
 
-	status = acpi_hw_register_write(ACPI_REGISTER_PM1_STATUS,
-					ACPI_BITMASK_ALL_FIXED_STATUS);
+	/* Always do a register read first so we can insert the new bits  */
+
+	status = acpi_hw_register_read(bit_reg_info->parent_register,
+				       &register_value);
 	if (ACPI_FAILURE(status)) {
 		goto unlock_and_exit;
 	}
 
-	/* Clear the fixed events */
+	/*
+	 * Decode the Register ID
+	 * Register ID = [Register block ID] | [bit ID]
+	 *
+	 * Check bit ID to fine locate Register offset.
+	 * Check Mask to determine Register offset, and then read-write.
+	 */
+	switch (bit_reg_info->parent_register) {
+	case ACPI_REGISTER_PM1_STATUS:
 
-	if (acpi_gbl_FADT.xpm1b_event_block.address) {
-		status =
-		    acpi_hw_low_level_write(16, ACPI_BITMASK_ALL_FIXED_STATUS,
-					    &acpi_gbl_FADT.xpm1b_event_block);
+		/*
+		 * Status Registers are different from the rest. Clear by
+		 * writing 1, and writing 0 has no effect. So, the only relevant
+		 * information is the single bit we're interested in, all others should
+		 * be written as 0 so they will be left unchanged.
+		 */
+		value = ACPI_REGISTER_PREPARE_BITS(value,
+						   bit_reg_info->bit_position,
+						   bit_reg_info->
+						   access_bit_mask);
+		if (value) {
+			status =
+			    acpi_hw_register_write(ACPI_REGISTER_PM1_STATUS,
+						   (u16) value);
+			register_value = 0;
+		}
+		break;
+
+	case ACPI_REGISTER_PM1_ENABLE:
+
+		ACPI_REGISTER_INSERT_VALUE(register_value,
+					   bit_reg_info->bit_position,
+					   bit_reg_info->access_bit_mask,
+					   value);
+
+		status = acpi_hw_register_write(ACPI_REGISTER_PM1_ENABLE,
+						(u16) register_value);
+		break;
+
+	case ACPI_REGISTER_PM1_CONTROL:
+
+		/*
+		 * Write the PM1 Control register.
+		 * Note that at this level, the fact that there are actually TWO
+		 * registers (A and B - and B may not exist) is abstracted.
+		 */
+		ACPI_DEBUG_PRINT((ACPI_DB_IO, "PM1 control: Read %X\n",
+				  register_value));
+
+		ACPI_REGISTER_INSERT_VALUE(register_value,
+					   bit_reg_info->bit_position,
+					   bit_reg_info->access_bit_mask,
+					   value);
+
+		status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL,
+						(u16) register_value);
+		break;
+
+	case ACPI_REGISTER_PM2_CONTROL:
+
+		status = acpi_hw_register_read(ACPI_REGISTER_PM2_CONTROL,
+					       &register_value);
 		if (ACPI_FAILURE(status)) {
 			goto unlock_and_exit;
 		}
+
+		ACPI_DEBUG_PRINT((ACPI_DB_IO,
+				  "PM2 control: Read %X from %8.8X%8.8X\n",
+				  register_value,
+				  ACPI_FORMAT_UINT64(acpi_gbl_FADT.
+						     xpm2_control_block.
+						     address)));
+
+		ACPI_REGISTER_INSERT_VALUE(register_value,
+					   bit_reg_info->bit_position,
+					   bit_reg_info->access_bit_mask,
+					   value);
+
+		ACPI_DEBUG_PRINT((ACPI_DB_IO,
+				  "About to write %4.4X to %8.8X%8.8X\n",
+				  register_value,
+				  ACPI_FORMAT_UINT64(acpi_gbl_FADT.
+						     xpm2_control_block.
+						     address)));
+
+		status = acpi_hw_register_write(ACPI_REGISTER_PM2_CONTROL,
+						(u8) (register_value));
+		break;
+
+	default:
+		break;
 	}
 
-	/* Clear the GPE Bits in all GPE registers in all GPE blocks */
-
-	status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
-
       unlock_and_exit:
+
 	acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
+
+	/* Normalize the value that was read */
+
+	ACPI_DEBUG_EXEC(register_value =
+			((register_value & bit_reg_info->access_bit_mask) >>
+			 bit_reg_info->bit_position));
+
+	ACPI_DEBUG_PRINT((ACPI_DB_IO,
+			  "Set bits: %8.8X actual %8.8X register %X\n", value,
+			  register_value, bit_reg_info->parent_register));
 	return_ACPI_STATUS(status);
 }
 
+ACPI_EXPORT_SYMBOL(acpi_set_register)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_get_sleep_type_data
@@ -115,9 +488,8 @@
  *              state.
  *
  ******************************************************************************/
-
 acpi_status
-acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
+acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
 {
 	acpi_status status = AE_OK;
 	struct acpi_evaluate_info *info;
@@ -219,639 +591,3 @@
 }
 
 ACPI_EXPORT_SYMBOL(acpi_get_sleep_type_data)
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_hw_get_register_bit_mask
- *
- * PARAMETERS:  register_id         - Index of ACPI Register to access
- *
- * RETURN:      The bitmask to be used when accessing the register
- *
- * DESCRIPTION: Map register_id into a register bitmask.
- *
- ******************************************************************************/
-struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
-{
-	ACPI_FUNCTION_ENTRY();
-
-	if (register_id > ACPI_BITREG_MAX) {
-		ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: %X",
-			    register_id));
-		return (NULL);
-	}
-
-	return (&acpi_gbl_bit_register_info[register_id]);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_get_register
- *
- * PARAMETERS:  register_id     - ID of ACPI bit_register to access
- *              return_value    - Value that was read from the register
- *
- * RETURN:      Status and the value read from specified Register. Value
- *              returned is normalized to bit0 (is shifted all the way right)
- *
- * DESCRIPTION: ACPI bit_register read function.
- *
- ******************************************************************************/
-
-acpi_status acpi_get_register_unlocked(u32 register_id, u32 * return_value)
-{
-	u32 register_value = 0;
-	struct acpi_bit_register_info *bit_reg_info;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(acpi_get_register);
-
-	/* Get the info structure corresponding to the requested ACPI Register */
-
-	bit_reg_info = acpi_hw_get_bit_register_info(register_id);
-	if (!bit_reg_info) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/* Read from the register */
-
-	status = acpi_hw_register_read(bit_reg_info->parent_register,
-				       &register_value);
-
-	if (ACPI_SUCCESS(status)) {
-
-		/* Normalize the value that was read */
-
-		register_value =
-		    ((register_value & bit_reg_info->access_bit_mask)
-		     >> bit_reg_info->bit_position);
-
-		*return_value = register_value;
-
-		ACPI_DEBUG_PRINT((ACPI_DB_IO, "Read value %8.8X register %X\n",
-				  register_value,
-				  bit_reg_info->parent_register));
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-acpi_status acpi_get_register(u32 register_id, u32 * return_value)
-{
-	acpi_status status;
-	acpi_cpu_flags flags;
-	flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
-	status = acpi_get_register_unlocked(register_id, return_value);
-	acpi_os_release_lock(acpi_gbl_hardware_lock, flags);
-	return status;
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_register)
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_set_register
- *
- * PARAMETERS:  register_id     - ID of ACPI bit_register to access
- *              Value           - (only used on write) value to write to the
- *                                Register, NOT pre-normalized to the bit pos
- *
- * RETURN:      Status
- *
- * DESCRIPTION: ACPI Bit Register write function.
- *
- ******************************************************************************/
-acpi_status acpi_set_register(u32 register_id, u32 value)
-{
-	u32 register_value = 0;
-	struct acpi_bit_register_info *bit_reg_info;
-	acpi_status status;
-	acpi_cpu_flags lock_flags;
-
-	ACPI_FUNCTION_TRACE_U32(acpi_set_register, register_id);
-
-	/* Get the info structure corresponding to the requested ACPI Register */
-
-	bit_reg_info = acpi_hw_get_bit_register_info(register_id);
-	if (!bit_reg_info) {
-		ACPI_ERROR((AE_INFO, "Bad ACPI HW RegisterId: %X",
-			    register_id));
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
-
-	/* Always do a register read first so we can insert the new bits  */
-
-	status = acpi_hw_register_read(bit_reg_info->parent_register,
-				       &register_value);
-	if (ACPI_FAILURE(status)) {
-		goto unlock_and_exit;
-	}
-
-	/*
-	 * Decode the Register ID
-	 * Register ID = [Register block ID] | [bit ID]
-	 *
-	 * Check bit ID to fine locate Register offset.
-	 * Check Mask to determine Register offset, and then read-write.
-	 */
-	switch (bit_reg_info->parent_register) {
-	case ACPI_REGISTER_PM1_STATUS:
-
-		/*
-		 * Status Registers are different from the rest. Clear by
-		 * writing 1, and writing 0 has no effect. So, the only relevant
-		 * information is the single bit we're interested in, all others should
-		 * be written as 0 so they will be left unchanged.
-		 */
-		value = ACPI_REGISTER_PREPARE_BITS(value,
-						   bit_reg_info->bit_position,
-						   bit_reg_info->
-						   access_bit_mask);
-		if (value) {
-			status = acpi_hw_register_write(ACPI_REGISTER_PM1_STATUS,
-							(u16) value);
-			register_value = 0;
-		}
-		break;
-
-	case ACPI_REGISTER_PM1_ENABLE:
-
-		ACPI_REGISTER_INSERT_VALUE(register_value,
-					   bit_reg_info->bit_position,
-					   bit_reg_info->access_bit_mask,
-					   value);
-
-		status = acpi_hw_register_write(ACPI_REGISTER_PM1_ENABLE,
-						(u16) register_value);
-		break;
-
-	case ACPI_REGISTER_PM1_CONTROL:
-
-		/*
-		 * Write the PM1 Control register.
-		 * Note that at this level, the fact that there are actually TWO
-		 * registers (A and B - and B may not exist) is abstracted.
-		 */
-		ACPI_DEBUG_PRINT((ACPI_DB_IO, "PM1 control: Read %X\n",
-				  register_value));
-
-		ACPI_REGISTER_INSERT_VALUE(register_value,
-					   bit_reg_info->bit_position,
-					   bit_reg_info->access_bit_mask,
-					   value);
-
-		status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL,
-						(u16) register_value);
-		break;
-
-	case ACPI_REGISTER_PM2_CONTROL:
-
-		status = acpi_hw_register_read(ACPI_REGISTER_PM2_CONTROL,
-					       &register_value);
-		if (ACPI_FAILURE(status)) {
-			goto unlock_and_exit;
-		}
-
-		ACPI_DEBUG_PRINT((ACPI_DB_IO,
-				  "PM2 control: Read %X from %8.8X%8.8X\n",
-				  register_value,
-				  ACPI_FORMAT_UINT64(acpi_gbl_FADT.
-						     xpm2_control_block.
-						     address)));
-
-		ACPI_REGISTER_INSERT_VALUE(register_value,
-					   bit_reg_info->bit_position,
-					   bit_reg_info->access_bit_mask,
-					   value);
-
-		ACPI_DEBUG_PRINT((ACPI_DB_IO,
-				  "About to write %4.4X to %8.8X%8.8X\n",
-				  register_value,
-				  ACPI_FORMAT_UINT64(acpi_gbl_FADT.
-						     xpm2_control_block.
-						     address)));
-
-		status = acpi_hw_register_write(ACPI_REGISTER_PM2_CONTROL,
-						(u8) (register_value));
-		break;
-
-	default:
-		break;
-	}
-
-      unlock_and_exit:
-
-	acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
-
-	/* Normalize the value that was read */
-
-	ACPI_DEBUG_EXEC(register_value =
-			((register_value & bit_reg_info->access_bit_mask) >>
-			 bit_reg_info->bit_position));
-
-	ACPI_DEBUG_PRINT((ACPI_DB_IO,
-			  "Set bits: %8.8X actual %8.8X register %X\n", value,
-			  register_value, bit_reg_info->parent_register));
-	return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_set_register)
-
-/******************************************************************************
- *
- * FUNCTION:    acpi_hw_register_read
- *
- * PARAMETERS:  register_id         - ACPI Register ID
- *              return_value        - Where the register value is returned
- *
- * RETURN:      Status and the value read.
- *
- * DESCRIPTION: Read from the specified ACPI register
- *
- ******************************************************************************/
-acpi_status
-acpi_hw_register_read(u32 register_id, u32 * return_value)
-{
-	u32 value1 = 0;
-	u32 value2 = 0;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(hw_register_read);
-
-	switch (register_id) {
-	case ACPI_REGISTER_PM1_STATUS:	/* 16-bit access */
-
-		status =
-		    acpi_hw_low_level_read(16, &value1,
-					   &acpi_gbl_FADT.xpm1a_event_block);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-
-		/* PM1B is optional */
-
-		status =
-		    acpi_hw_low_level_read(16, &value2,
-					   &acpi_gbl_FADT.xpm1b_event_block);
-		value1 |= value2;
-		break;
-
-	case ACPI_REGISTER_PM1_ENABLE:	/* 16-bit access */
-
-		status =
-		    acpi_hw_low_level_read(16, &value1, &acpi_gbl_xpm1a_enable);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-
-		/* PM1B is optional */
-
-		status =
-		    acpi_hw_low_level_read(16, &value2, &acpi_gbl_xpm1b_enable);
-		value1 |= value2;
-		break;
-
-	case ACPI_REGISTER_PM1_CONTROL:	/* 16-bit access */
-
-		status =
-		    acpi_hw_low_level_read(16, &value1,
-					   &acpi_gbl_FADT.xpm1a_control_block);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-
-		status =
-		    acpi_hw_low_level_read(16, &value2,
-					   &acpi_gbl_FADT.xpm1b_control_block);
-		value1 |= value2;
-		break;
-
-	case ACPI_REGISTER_PM2_CONTROL:	/* 8-bit access */
-
-		status =
-		    acpi_hw_low_level_read(8, &value1,
-					   &acpi_gbl_FADT.xpm2_control_block);
-		break;
-
-	case ACPI_REGISTER_PM_TIMER:	/* 32-bit access */
-
-		status =
-		    acpi_hw_low_level_read(32, &value1,
-					   &acpi_gbl_FADT.xpm_timer_block);
-		break;
-
-	case ACPI_REGISTER_SMI_COMMAND_BLOCK:	/* 8-bit access */
-
-		status =
-		    acpi_os_read_port(acpi_gbl_FADT.smi_command, &value1, 8);
-		break;
-
-	default:
-		ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
-		status = AE_BAD_PARAMETER;
-		break;
-	}
-
-      exit:
-
-	if (ACPI_SUCCESS(status)) {
-		*return_value = value1;
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/******************************************************************************
- *
- * FUNCTION:    acpi_hw_register_write
- *
- * PARAMETERS:  register_id         - ACPI Register ID
- *              Value               - The value to write
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Write to the specified ACPI register
- *
- * NOTE: In accordance with the ACPI specification, this function automatically
- * preserves the value of the following bits, meaning that these bits cannot be
- * changed via this interface:
- *
- * PM1_CONTROL[0] = SCI_EN
- * PM1_CONTROL[9]
- * PM1_STATUS[11]
- *
- * ACPI References:
- * 1) Hardware Ignored Bits: When software writes to a register with ignored
- *      bit fields, it preserves the ignored bit fields
- * 2) SCI_EN: OSPM always preserves this bit position
- *
- ******************************************************************************/
-
-acpi_status acpi_hw_register_write(u32 register_id, u32 value)
-{
-	acpi_status status;
-	u32 read_value;
-
-	ACPI_FUNCTION_TRACE(hw_register_write);
-
-	switch (register_id) {
-	case ACPI_REGISTER_PM1_STATUS:	/* 16-bit access */
-
-		/* Perform a read first to preserve certain bits (per ACPI spec) */
-
-		status = acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS,
-					       &read_value);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-
-		/* Insert the bits to be preserved */
-
-		ACPI_INSERT_BITS(value, ACPI_PM1_STATUS_PRESERVED_BITS,
-				 read_value);
-
-		/* Now we can write the data */
-
-		status =
-		    acpi_hw_low_level_write(16, value,
-					    &acpi_gbl_FADT.xpm1a_event_block);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-
-		/* PM1B is optional */
-
-		status =
-		    acpi_hw_low_level_write(16, value,
-					    &acpi_gbl_FADT.xpm1b_event_block);
-		break;
-
-	case ACPI_REGISTER_PM1_ENABLE:	/* 16-bit access */
-
-		status =
-		    acpi_hw_low_level_write(16, value, &acpi_gbl_xpm1a_enable);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-
-		/* PM1B is optional */
-
-		status =
-		    acpi_hw_low_level_write(16, value, &acpi_gbl_xpm1b_enable);
-		break;
-
-	case ACPI_REGISTER_PM1_CONTROL:	/* 16-bit access */
-
-		/*
-		 * Perform a read first to preserve certain bits (per ACPI spec)
-		 */
-		status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL,
-					       &read_value);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-
-		/* Insert the bits to be preserved */
-
-		ACPI_INSERT_BITS(value, ACPI_PM1_CONTROL_PRESERVED_BITS,
-				 read_value);
-
-		/* Now we can write the data */
-
-		status =
-		    acpi_hw_low_level_write(16, value,
-					    &acpi_gbl_FADT.xpm1a_control_block);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-
-		status =
-		    acpi_hw_low_level_write(16, value,
-					    &acpi_gbl_FADT.xpm1b_control_block);
-		break;
-
-	case ACPI_REGISTER_PM1A_CONTROL:	/* 16-bit access */
-
-		status =
-		    acpi_hw_low_level_write(16, value,
-					    &acpi_gbl_FADT.xpm1a_control_block);
-		break;
-
-	case ACPI_REGISTER_PM1B_CONTROL:	/* 16-bit access */
-
-		status =
-		    acpi_hw_low_level_write(16, value,
-					    &acpi_gbl_FADT.xpm1b_control_block);
-		break;
-
-	case ACPI_REGISTER_PM2_CONTROL:	/* 8-bit access */
-
-		status =
-		    acpi_hw_low_level_write(8, value,
-					    &acpi_gbl_FADT.xpm2_control_block);
-		break;
-
-	case ACPI_REGISTER_PM_TIMER:	/* 32-bit access */
-
-		status =
-		    acpi_hw_low_level_write(32, value,
-					    &acpi_gbl_FADT.xpm_timer_block);
-		break;
-
-	case ACPI_REGISTER_SMI_COMMAND_BLOCK:	/* 8-bit access */
-
-		/* SMI_CMD is currently always in IO space */
-
-		status =
-		    acpi_os_write_port(acpi_gbl_FADT.smi_command, value, 8);
-		break;
-
-	default:
-		status = AE_BAD_PARAMETER;
-		break;
-	}
-
-      exit:
-	return_ACPI_STATUS(status);
-}
-
-/******************************************************************************
- *
- * FUNCTION:    acpi_hw_low_level_read
- *
- * PARAMETERS:  Width               - 8, 16, or 32
- *              Value               - Where the value is returned
- *              Reg                 - GAS register structure
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Read from either memory or IO space.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg)
-{
-	u64 address;
-	acpi_status status;
-
-	ACPI_FUNCTION_NAME(hw_low_level_read);
-
-	/*
-	 * Must have a valid pointer to a GAS structure, and
-	 * a non-zero address within. However, don't return an error
-	 * because the PM1A/B code must not fail if B isn't present.
-	 */
-	if (!reg) {
-		return (AE_OK);
-	}
-
-	/* Get a local copy of the address. Handles possible alignment issues */
-
-	ACPI_MOVE_64_TO_64(&address, &reg->address);
-	if (!address) {
-		return (AE_OK);
-	}
-	*value = 0;
-
-	/*
-	 * Two address spaces supported: Memory or IO.
-	 * PCI_Config is not supported here because the GAS struct is insufficient
-	 */
-	switch (reg->space_id) {
-	case ACPI_ADR_SPACE_SYSTEM_MEMORY:
-
-		status = acpi_os_read_memory((acpi_physical_address) address,
-					     value, width);
-		break;
-
-	case ACPI_ADR_SPACE_SYSTEM_IO:
-
-		status =
-		    acpi_os_read_port((acpi_io_address) address, value, width);
-		break;
-
-	default:
-		ACPI_ERROR((AE_INFO,
-			    "Unsupported address space: %X", reg->space_id));
-		return (AE_BAD_PARAMETER);
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_IO,
-			  "Read:  %8.8X width %2d from %8.8X%8.8X (%s)\n",
-			  *value, width, ACPI_FORMAT_UINT64(address),
-			  acpi_ut_get_region_name(reg->space_id)));
-
-	return (status);
-}
-
-/******************************************************************************
- *
- * FUNCTION:    acpi_hw_low_level_write
- *
- * PARAMETERS:  Width               - 8, 16, or 32
- *              Value               - To be written
- *              Reg                 - GAS register structure
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Write to either memory or IO space.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg)
-{
-	u64 address;
-	acpi_status status;
-
-	ACPI_FUNCTION_NAME(hw_low_level_write);
-
-	/*
-	 * Must have a valid pointer to a GAS structure, and
-	 * a non-zero address within. However, don't return an error
-	 * because the PM1A/B code must not fail if B isn't present.
-	 */
-	if (!reg) {
-		return (AE_OK);
-	}
-
-	/* Get a local copy of the address. Handles possible alignment issues */
-
-	ACPI_MOVE_64_TO_64(&address, &reg->address);
-	if (!address) {
-		return (AE_OK);
-	}
-
-	/*
-	 * Two address spaces supported: Memory or IO.
-	 * PCI_Config is not supported here because the GAS struct is insufficient
-	 */
-	switch (reg->space_id) {
-	case ACPI_ADR_SPACE_SYSTEM_MEMORY:
-
-		status = acpi_os_write_memory((acpi_physical_address) address,
-					      value, width);
-		break;
-
-	case ACPI_ADR_SPACE_SYSTEM_IO:
-
-		status = acpi_os_write_port((acpi_io_address) address, value,
-					    width);
-		break;
-
-	default:
-		ACPI_ERROR((AE_INFO,
-			    "Unsupported address space: %X", reg->space_id));
-		return (AE_BAD_PARAMETER);
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_IO,
-			  "Wrote: %8.8X width %2d   to %8.8X%8.8X (%s)\n",
-			  value, width, ACPI_FORMAT_UINT64(address),
-			  acpi_ut_get_region_name(reg->space_id)));
-
-	return (status);
-}
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
similarity index 98%
rename from drivers/acpi/namespace/nsaccess.c
rename to drivers/acpi/acpica/nsaccess.c
index c39a7f6..88303eb 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdispat.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acdispat.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsaccess")
@@ -165,12 +166,9 @@
 
 				obj_desc->method.method_flags =
 				    AML_METHOD_INTERNAL_ONLY;
-
-#ifndef ACPI_DUMP_APP
 				obj_desc->method.implementation =
 				    acpi_ut_osi_implementation;
 #endif
-#endif
 				break;
 
 			case ACPI_TYPE_INTEGER:
@@ -521,11 +519,11 @@
 	}
 
 	/*
-	 * Search namespace for each segment of the name.  Loop through and
+	 * Search namespace for each segment of the name. Loop through and
 	 * verify (or add to the namespace) each name segment.
 	 *
 	 * The object type is significant only at the last name
-	 * segment.  (We don't care about the types along the path, only
+	 * segment. (We don't care about the types along the path, only
 	 * the type of the final target object.)
 	 */
 	this_search_type = ACPI_TYPE_ANY;
@@ -591,6 +589,10 @@
 			 * segments).
 			 */
 			if (this_node->type == ACPI_TYPE_LOCAL_ALIAS) {
+				if (!this_node->object) {
+					return_ACPI_STATUS(AE_NOT_EXIST);
+				}
+
 				if (acpi_ns_opens_scope
 				    (((struct acpi_namespace_node *)this_node->
 				      object)->type)) {
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/acpica/nsalloc.c
similarity index 99%
rename from drivers/acpi/namespace/nsalloc.c
rename to drivers/acpi/acpica/nsalloc.c
index 3a1740a..f976d84 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/acpica/nsalloc.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsalloc")
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/acpica/nsdump.c
similarity index 99%
rename from drivers/acpi/namespace/nsdump.c
rename to drivers/acpi/acpica/nsdump.c
index cc0ae39..0da33c8 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsdump")
diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/acpica/nsdumpdv.c
similarity index 98%
rename from drivers/acpi/namespace/nsdumpdv.c
rename to drivers/acpi/acpica/nsdumpdv.c
index 428f50f..41994fe 100644
--- a/drivers/acpi/namespace/nsdumpdv.c
+++ b/drivers/acpi/acpica/nsdumpdv.c
@@ -42,6 +42,7 @@
  */
 
 #include <acpi/acpi.h>
+#include "accommon.h"
 
 /* TBD: This entire module is apparently obsolete and should be removed */
 
@@ -49,7 +50,7 @@
 ACPI_MODULE_NAME("nsdumpdv")
 #ifdef ACPI_OBSOLETE_FUNCTIONS
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
-#include <acpi/acnamesp.h>
+#include "acnamesp.h"
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_dump_one_device
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/acpica/nseval.c
similarity index 80%
rename from drivers/acpi/namespace/nseval.c
rename to drivers/acpi/acpica/nseval.c
index 4cdf03a..0f3d5f9 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/acpica/nseval.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acinterp.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nseval")
@@ -89,6 +90,7 @@
 	/* Initialize the return value to an invalid object */
 
 	info->return_object = NULL;
+	info->param_count = 0;
 
 	/*
 	 * Get the actual namespace node for the target object. Handles these cases:
@@ -141,41 +143,17 @@
 			return_ACPI_STATUS(AE_NULL_OBJECT);
 		}
 
-		/*
-		 * Calculate the number of arguments being passed to the method
-		 */
+		/* Count the number of arguments being passed to the method */
 
-		info->param_count = 0;
 		if (info->parameters) {
-			while (info->parameters[info->param_count])
+			while (info->parameters[info->param_count]) {
+				if (info->param_count > ACPI_METHOD_MAX_ARG) {
+					return_ACPI_STATUS(AE_LIMIT);
+				}
 				info->param_count++;
+			}
 		}
 
-		/*
-		 * Warning if too few or too many arguments have been passed by the
-		 * caller. We don't want to abort here with an error because an
-		 * incorrect number of arguments may not cause the method to fail.
-		 * However, the method will fail if there are too few arguments passed
-		 * and the method attempts to use one of the missing ones.
-		 */
-
-		if (info->param_count < info->obj_desc->method.param_count) {
-			ACPI_WARNING((AE_INFO,
-				    "Insufficient arguments - "
-				    "method [%4.4s] needs %d, found %d",
-				    acpi_ut_get_node_name(info->resolved_node),
-				    info->obj_desc->method.param_count,
-				    info->param_count));
-		} else if (info->param_count >
-				info->obj_desc->method.param_count) {
-			ACPI_WARNING((AE_INFO,
-				      "Excess arguments - "
-				      "method [%4.4s] needs %d, found %d",
-				      acpi_ut_get_node_name(info->
-							    resolved_node),
-				      info->obj_desc->method.param_count,
-				      info->param_count));
-		}
 
 		ACPI_DUMP_PATHNAME(info->resolved_node, "Execute Method:",
 				   ACPI_LV_INFO, _COMPONENT);
@@ -264,32 +242,13 @@
 		}
 	}
 
-	/* Validation of return values for ACPI-predefined methods and objects */
-
-	if ((status == AE_OK) || (status == AE_CTRL_RETURN_VALUE)) {
-		/*
-		 * If this is the first evaluation, check the return value. This
-		 * ensures that any warnings will only be emitted during the very
-		 * first evaluation of the object.
-		 */
-		if (!(node->flags & ANOBJ_EVALUATED)) {
-			/*
-			 * Check for a predefined ACPI name. If found, validate the
-			 * returned object.
-			 *
-			 * Note: Ignore return status for now, emit warnings if there are
-			 * problems with the returned object. May change later to abort
-			 * the method on invalid return object.
-			 */
-			(void)acpi_ns_check_predefined_names(node,
-							     info->
-							     return_object);
-		}
-
-		/* Mark the node as having been evaluated */
-
-		node->flags |= ANOBJ_EVALUATED;
-	}
+	/*
+	 * Check input argument count against the ASL-defined count for a method.
+	 * Also check predefined names: argument count and return value against
+	 * the ACPI specification. Some incorrect return value types are repaired.
+	 */
+	(void)acpi_ns_check_predefined_names(node, info->param_count,
+		status, &info->return_object);
 
 	/* Check if there is a return value that must be dealt with */
 
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/acpica/nsinit.c
similarity index 99%
rename from drivers/acpi/namespace/nsinit.c
rename to drivers/acpi/acpica/nsinit.c
index e4c5751..13501cb 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acdispat.h"
+#include "acinterp.h"
 #include <linux/nmi.h>
 
 #define _COMPONENT          ACPI_NAMESPACE
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/acpica/nsload.c
similarity index 98%
rename from drivers/acpi/namespace/nsload.c
rename to drivers/acpi/acpica/nsload.c
index a4a412b..a0ba9e1 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/acpica/nsload.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdispat.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acdispat.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsload")
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/acpica/nsnames.c
similarity index 98%
rename from drivers/acpi/namespace/nsnames.c
rename to drivers/acpi/acpica/nsnames.c
index 42a39a7..ae3dc10 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "amlcode.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsnames")
diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/acpica/nsobject.c
similarity index 99%
rename from drivers/acpi/namespace/nsobject.c
rename to drivers/acpi/acpica/nsobject.c
index 15fe09e..08a97a5 100644
--- a/drivers/acpi/namespace/nsobject.c
+++ b/drivers/acpi/acpica/nsobject.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsobject")
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/acpica/nsparse.c
similarity index 98%
rename from drivers/acpi/namespace/nsparse.c
rename to drivers/acpi/acpica/nsparse.c
index a82271a..b9e8d00 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/acpica/nsparse.c
@@ -42,10 +42,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsparse")
diff --git a/drivers/acpi/namespace/nspredef.c b/drivers/acpi/acpica/nspredef.c
similarity index 76%
rename from drivers/acpi/namespace/nspredef.c
rename to drivers/acpi/acpica/nspredef.c
index 0f17cf0..4527032 100644
--- a/drivers/acpi/namespace/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -43,8 +43,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acpredef.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acpredef.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nspredef")
@@ -72,7 +73,7 @@
 /* Local prototypes */
 static acpi_status
 acpi_ns_check_package(char *pathname,
-		      union acpi_operand_object *return_object,
+		      union acpi_operand_object **return_object_ptr,
 		      const union acpi_predefined_info *predefined);
 
 static acpi_status
@@ -82,13 +83,18 @@
 
 static acpi_status
 acpi_ns_check_object_type(char *pathname,
-			  union acpi_operand_object *return_object,
+			  union acpi_operand_object **return_object_ptr,
 			  u32 expected_btypes, u32 package_index);
 
 static acpi_status
 acpi_ns_check_reference(char *pathname,
 			union acpi_operand_object *return_object);
 
+static acpi_status
+acpi_ns_repair_object(u32 expected_btypes,
+		      u32 package_index,
+		      union acpi_operand_object **return_object_ptr);
+
 /*
  * Names for the types that can be returned by the predefined objects.
  * Used for warning messages. Must be in the same order as the ACPI_RTYPEs
@@ -108,8 +114,8 @@
  * FUNCTION:    acpi_ns_check_predefined_names
  *
  * PARAMETERS:  Node            - Namespace node for the method/object
- *              return_object   - Object returned from the evaluation of this
- *                                method/object
+ *              return_object_ptr - Pointer to the object returned from the
+ *                                evaluation of a method or object
  *
  * RETURN:      Status
  *
@@ -119,8 +125,11 @@
 
 acpi_status
 acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
-			       union acpi_operand_object *return_object)
+			       u32 user_param_count,
+			       acpi_status return_status,
+			       union acpi_operand_object **return_object_ptr)
 {
+	union acpi_operand_object *return_object = *return_object_ptr;
 	acpi_status status = AE_OK;
 	const union acpi_predefined_info *predefined;
 	char *pathname;
@@ -128,12 +137,6 @@
 	/* Match the name for this method/object against the predefined list */
 
 	predefined = acpi_ns_check_for_predefined_name(node);
-	if (!predefined) {
-
-		/* Name was not one of the predefined names */
-
-		return (AE_OK);
-	}
 
 	/* Get the full pathname to the object, for use in error messages */
 
@@ -143,10 +146,37 @@
 	}
 
 	/*
-	 * Check that the parameter count for this method is in accordance
-	 * with the ACPI specification.
+	 * Check that the parameter count for this method matches the ASL
+	 * definition. For predefined names, ensure that both the caller and
+	 * the method itself are in accordance with the ACPI specification.
 	 */
-	acpi_ns_check_parameter_count(pathname, node, predefined);
+	acpi_ns_check_parameter_count(pathname, node, user_param_count,
+				      predefined);
+
+	/* If not a predefined name, we cannot validate the return object */
+
+	if (!predefined) {
+		goto exit;
+	}
+
+	/* If the method failed, we cannot validate the return object */
+
+	if ((return_status != AE_OK) && (return_status != AE_CTRL_RETURN_VALUE)) {
+		goto exit;
+	}
+
+	/*
+	 * Only validate the return value on the first successful evaluation of
+	 * the method. This ensures that any warnings will only be emitted during
+	 * the very first evaluation of the method/object.
+	 */
+	if (node->flags & ANOBJ_EVALUATED) {
+		goto exit;
+	}
+
+	/* Mark the node as having been successfully evaluated */
+
+	node->flags |= ANOBJ_EVALUATED;
 
 	/*
 	 * If there is no return value, check if we require a return value for
@@ -171,7 +201,7 @@
 	 * We have a return value, but if one wasn't expected, just exit, this is
 	 * not a problem
 	 *
-	 * For example, if "Implicit return value" is enabled, methods will
+	 * For example, if the "Implicit Return" feature is enabled, methods will
 	 * always return a value
 	 */
 	if (!predefined->info.expected_btypes) {
@@ -182,7 +212,7 @@
 	 * Check that the type of the return object is what is expected for
 	 * this predefined name
 	 */
-	status = acpi_ns_check_object_type(pathname, return_object,
+	status = acpi_ns_check_object_type(pathname, return_object_ptr,
 					   predefined->info.expected_btypes,
 					   ACPI_NOT_PACKAGE);
 	if (ACPI_FAILURE(status)) {
@@ -193,11 +223,12 @@
 
 	if (ACPI_GET_OBJECT_TYPE(return_object) == ACPI_TYPE_PACKAGE) {
 		status =
-		    acpi_ns_check_package(pathname, return_object, predefined);
+		    acpi_ns_check_package(pathname, return_object_ptr,
+					  predefined);
 	}
 
       exit:
-	if (pathname) {
+	if (pathname != predefined->info.name) {
 		ACPI_FREE(pathname);
 	}
 
@@ -210,6 +241,7 @@
  *
  * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
  *              Node            - Namespace node for the method/object
+ *              user_param_count - Number of args passed in by the caller
  *              Predefined      - Pointer to entry in predefined name table
  *
  * RETURN:      None
@@ -223,32 +255,76 @@
 void
 acpi_ns_check_parameter_count(char *pathname,
 			      struct acpi_namespace_node *node,
+			      u32 user_param_count,
 			      const union acpi_predefined_info *predefined)
 {
 	u32 param_count;
 	u32 required_params_current;
 	u32 required_params_old;
 
-	/*
-	 * Check that the ASL-defined parameter count is what is expected for
-	 * this predefined name.
-	 *
-	 * Methods have 0-7 parameters. All other types have zero.
-	 */
+	/* Methods have 0-7 parameters. All other types have zero. */
+
 	param_count = 0;
 	if (node->type == ACPI_TYPE_METHOD) {
 		param_count = node->object->method.param_count;
 	}
 
-	/* Validate parameter count - allow two different legal counts (_SCP) */
+	/* Argument count check for non-predefined methods/objects */
+
+	if (!predefined) {
+		/*
+		 * Warning if too few or too many arguments have been passed by the
+		 * caller. An incorrect number of arguments may not cause the method
+		 * to fail. However, the method will fail if there are too few
+		 * arguments and the method attempts to use one of the missing ones.
+		 */
+		if (user_param_count < param_count) {
+			ACPI_WARNING((AE_INFO,
+				      "%s: Insufficient arguments - needs %d, found %d",
+				      pathname, param_count, user_param_count));
+		} else if (user_param_count > param_count) {
+			ACPI_WARNING((AE_INFO,
+				      "%s: Excess arguments - needs %d, found %d",
+				      pathname, param_count, user_param_count));
+		}
+		return;
+	}
+
+	/* Allow two different legal argument counts (_SCP, etc.) */
 
 	required_params_current = predefined->info.param_count & 0x0F;
 	required_params_old = predefined->info.param_count >> 4;
 
+	if (user_param_count != ACPI_UINT32_MAX) {
+
+		/* Validate the user-supplied parameter count */
+
+		if ((user_param_count != required_params_current) &&
+		    (user_param_count != required_params_old)) {
+			ACPI_WARNING((AE_INFO,
+				      "%s: Parameter count mismatch - caller passed %d, ACPI requires %d",
+				      pathname, user_param_count,
+				      required_params_current));
+		}
+	}
+
+	/*
+	 * Only validate the argument count on the first successful evaluation of
+	 * the method. This ensures that any warnings will only be emitted during
+	 * the very first evaluation of the method/object.
+	 */
+	if (node->flags & ANOBJ_EVALUATED) {
+		return;
+	}
+
+	/*
+	 * Check that the ASL-defined parameter count is what is expected for
+	 * this predefined name.
+	 */
 	if ((param_count != required_params_current) &&
 	    (param_count != required_params_old)) {
 		ACPI_WARNING((AE_INFO,
-			      "%s: Parameter count mismatch - ASL declared %d, expected %d",
+			      "%s: Parameter count mismatch - ASL declared %d, ACPI requires %d",
 			      pathname, param_count, required_params_current));
 	}
 }
@@ -307,8 +383,8 @@
  * FUNCTION:    acpi_ns_check_package
  *
  * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
- *              return_object   - Object returned from the evaluation of a
- *                                method or object
+ *              return_object_ptr - Pointer to the object returned from the
+ *                                evaluation of a method or object
  *              Predefined      - Pointer to entry in predefined name table
  *
  * RETURN:      Status
@@ -320,9 +396,10 @@
 
 static acpi_status
 acpi_ns_check_package(char *pathname,
-		      union acpi_operand_object *return_object,
+		      union acpi_operand_object **return_object_ptr,
 		      const union acpi_predefined_info *predefined)
 {
+	union acpi_operand_object *return_object = *return_object_ptr;
 	const union acpi_predefined_info *package;
 	union acpi_operand_object *sub_package;
 	union acpi_operand_object **elements;
@@ -408,7 +485,7 @@
 		 * elements must be of the same type
 		 */
 		for (i = 0; i < count; i++) {
-			status = acpi_ns_check_object_type(pathname, *elements,
+			status = acpi_ns_check_object_type(pathname, elements,
 							   package->ret_info.
 							   object_type1, i);
 			if (ACPI_FAILURE(status)) {
@@ -441,7 +518,7 @@
 
 				status =
 				    acpi_ns_check_object_type(pathname,
-							      *elements,
+							      elements,
 							      package->
 							      ret_info3.
 							      object_type[i],
@@ -454,7 +531,7 @@
 
 				status =
 				    acpi_ns_check_object_type(pathname,
-							      *elements,
+							      elements,
 							      package->
 							      ret_info3.
 							      tail_object_type,
@@ -471,7 +548,7 @@
 
 		/* First element is the (Integer) count of sub-packages to follow */
 
-		status = acpi_ns_check_object_type(pathname, *elements,
+		status = acpi_ns_check_object_type(pathname, elements,
 						   ACPI_RTYPE_INTEGER, 0);
 		if (ACPI_FAILURE(status)) {
 			return (status);
@@ -509,7 +586,7 @@
 			/* Each sub-object must be of type Package */
 
 			status =
-			    acpi_ns_check_object_type(pathname, sub_package,
+			    acpi_ns_check_object_type(pathname, &sub_package,
 						      ACPI_RTYPE_PACKAGE, i);
 			if (ACPI_FAILURE(status)) {
 				return (status);
@@ -567,12 +644,8 @@
 				for (j = 0; j < expected_count; j++) {
 					status =
 					    acpi_ns_check_object_type(pathname,
-								      sub_elements
-								      [j],
-								      package->
-								      ret_info2.
-								      object_type
-								      [j], j);
+						&sub_elements[j],
+						package->ret_info2.object_type[j], j);
 					if (ACPI_FAILURE(status)) {
 						return (status);
 					}
@@ -611,7 +684,7 @@
 
 				status =
 				    acpi_ns_check_object_type(pathname,
-							      *sub_elements,
+							      sub_elements,
 							      ACPI_RTYPE_INTEGER,
 							      0);
 				if (ACPI_FAILURE(status)) {
@@ -708,7 +781,7 @@
 	 * The second group can have a count of zero.
 	 */
 	for (i = 0; i < count1; i++) {
-		status = acpi_ns_check_object_type(pathname, *this_element,
+		status = acpi_ns_check_object_type(pathname, this_element,
 						   type1, i);
 		if (ACPI_FAILURE(status)) {
 			return (status);
@@ -717,7 +790,7 @@
 	}
 
 	for (i = 0; i < count2; i++) {
-		status = acpi_ns_check_object_type(pathname, *this_element,
+		status = acpi_ns_check_object_type(pathname, this_element,
 						   type2, (i + count1));
 		if (ACPI_FAILURE(status)) {
 			return (status);
@@ -733,8 +806,8 @@
  * FUNCTION:    acpi_ns_check_object_type
  *
  * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
- *              return_object   - Object return from the execution of this
- *                                method/object
+ *              return_object_ptr - Pointer to the object returned from the
+ *                                evaluation of a method or object
  *              expected_btypes - Bitmap of expected return type(s)
  *              package_index   - Index of object within parent package (if
  *                                applicable - ACPI_NOT_PACKAGE otherwise)
@@ -748,9 +821,10 @@
 
 static acpi_status
 acpi_ns_check_object_type(char *pathname,
-			  union acpi_operand_object *return_object,
+			  union acpi_operand_object **return_object_ptr,
 			  u32 expected_btypes, u32 package_index)
 {
+	union acpi_operand_object *return_object = *return_object_ptr;
 	acpi_status status = AE_OK;
 	u32 return_btype;
 	char type_buffer[48];	/* Room for 5 types */
@@ -814,6 +888,14 @@
 	/* Is the object one of the expected types? */
 
 	if (!(return_btype & expected_btypes)) {
+
+		/* Type mismatch -- attempt repair of the returned object */
+
+		status = acpi_ns_repair_object(expected_btypes, package_index,
+					       return_object_ptr);
+		if (ACPI_SUCCESS(status)) {
+			return (status);
+		}
 		goto type_error_exit;
 	}
 
@@ -898,3 +980,86 @@
 
 	return (AE_AML_OPERAND_TYPE);
 }
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_repair_object
+ *
+ * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
+ *              package_index   - Used to determine if target is in a package
+ *              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/convert a return object of a type that was
+ *              not expected.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_repair_object(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_size length;
+
+	switch (ACPI_GET_OBJECT_TYPE(return_object)) {
+	case ACPI_TYPE_BUFFER:
+
+		if (!(expected_btypes & ACPI_RTYPE_STRING)) {
+			return (AE_AML_OPERAND_TYPE);
+		}
+
+		/*
+		 * Have a Buffer, expected a String, convert. 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])) {
+			length++;
+		}
+
+		/* Allocate a new string object */
+
+		new_object = acpi_ut_create_string_object(length);
+		if (!new_object) {
+			return (AE_NO_MEMORY);
+		}
+
+		/*
+		 * Copy the raw buffer data with no transform. String is already NULL
+		 * terminated at Length+1.
+		 */
+		ACPI_MEMCPY(new_object->string.pointer,
+			    return_object->buffer.pointer, length);
+
+		/* Install the new return object */
+
+		acpi_ut_remove_reference(return_object);
+		*return_object_ptr = new_object;
+
+		/*
+		 * If the object is a package element, we need to:
+		 * 1. Decrement the reference count of the orignal object, it was
+		 *    incremented when building the package
+		 * 2. Increment the reference count of the new object, it will be
+		 *    decremented when releasing the package
+		 */
+		if (package_index != ACPI_NOT_PACKAGE) {
+			acpi_ut_remove_reference(return_object);
+			acpi_ut_add_reference(new_object);
+		}
+		return (AE_OK);
+
+	default:
+		break;
+	}
+
+	return (AE_AML_OPERAND_TYPE);
+}
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/acpica/nssearch.c
similarity index 99%
rename from drivers/acpi/namespace/nssearch.c
rename to drivers/acpi/acpica/nssearch.c
index a9a80bf..6fea13f 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/acpica/nssearch.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nssearch")
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/acpica/nsutils.c
similarity index 98%
rename from drivers/acpi/namespace/nsutils.c
rename to drivers/acpi/acpica/nsutils.c
index b0817e1..3e1149b 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -43,9 +43,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/amlcode.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "amlcode.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsutils")
@@ -314,9 +315,15 @@
 	 *
 	 * strlen() + 1 covers the first name_seg, which has no path separator
 	 */
-	if (acpi_ns_valid_root_prefix(next_external_char[0])) {
+	if (acpi_ns_valid_root_prefix(*next_external_char)) {
 		info->fully_qualified = TRUE;
 		next_external_char++;
+
+		/* Skip redundant root_prefix, like \\_SB.PCI0.SBRG.EC0 */
+
+		while (acpi_ns_valid_root_prefix(*next_external_char)) {
+			next_external_char++;
+		}
 	} else {
 		/*
 		 * Handle Carat prefixes
diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/acpica/nswalk.c
similarity index 99%
rename from drivers/acpi/namespace/nswalk.c
rename to drivers/acpi/acpica/nswalk.c
index 3c905ce..200895f 100644
--- a/drivers/acpi/namespace/nswalk.c
+++ b/drivers/acpi/acpica/nswalk.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nswalk")
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c
similarity index 99%
rename from drivers/acpi/namespace/nsxfeval.c
rename to drivers/acpi/acpica/nsxfeval.c
index a085cc3..22a7171 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/acpica/nsxfeval.c
@@ -43,8 +43,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsxfeval")
diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/acpica/nsxfname.c
similarity index 99%
rename from drivers/acpi/namespace/nsxfname.c
rename to drivers/acpi/acpica/nsxfname.c
index 5efa4e7..9589fea 100644
--- a/drivers/acpi/namespace/nsxfname.c
+++ b/drivers/acpi/acpica/nsxfname.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsxfname")
diff --git a/drivers/acpi/namespace/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c
similarity index 99%
rename from drivers/acpi/namespace/nsxfobj.c
rename to drivers/acpi/acpica/nsxfobj.c
index 2b375ee..1c7efc1 100644
--- a/drivers/acpi/namespace/nsxfobj.c
+++ b/drivers/acpi/acpica/nsxfobj.c
@@ -43,7 +43,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsxfobj")
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/acpica/psargs.c
similarity index 99%
rename from drivers/acpi/parser/psargs.c
rename to drivers/acpi/acpica/psargs.c
index d830b29..b161f35 100644
--- a/drivers/acpi/parser/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -42,10 +42,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdispat.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acdispat.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("psargs")
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/acpica/psloop.c
similarity index 99%
rename from drivers/acpi/parser/psloop.c
rename to drivers/acpi/acpica/psloop.c
index 4647039..c5f6ce1 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -50,9 +50,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("psloop")
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/acpica/psopcode.c
similarity index 99%
rename from drivers/acpi/parser/psopcode.c
rename to drivers/acpi/acpica/psopcode.c
index f425ab3..3bc3a60 100644
--- a/drivers/acpi/parser/psopcode.c
+++ b/drivers/acpi/acpica/psopcode.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/acopcode.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acopcode.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("psopcode")
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/acpica/psparse.c
similarity index 97%
rename from drivers/acpi/parser/psparse.c
rename to drivers/acpi/acpica/psparse.c
index 68e932f..70838e9 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/acpica/psparse.c
@@ -51,11 +51,12 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "amlcode.h"
+#include "acnamesp.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("psparse")
@@ -447,10 +448,22 @@
 			  walk_state, walk_state->parser_state.aml,
 			  walk_state->parser_state.aml_size));
 
+	if (!walk_state->parser_state.aml) {
+		return_ACPI_STATUS(AE_NULL_OBJECT);
+	}
+
 	/* Create and initialize a new thread state */
 
 	thread = acpi_ut_create_thread_state();
 	if (!thread) {
+		if (walk_state->method_desc) {
+
+			/* Executing a control method - additional cleanup */
+
+			acpi_ds_terminate_control_method(
+				walk_state->method_desc, walk_state);
+		}
+
 		acpi_ds_delete_walk_state(walk_state);
 		return_ACPI_STATUS(AE_NO_MEMORY);
 	}
diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/acpica/psscope.c
similarity index 99%
rename from drivers/acpi/parser/psscope.c
rename to drivers/acpi/acpica/psscope.c
index ee50e67..2feca5c 100644
--- a/drivers/acpi/parser/psscope.c
+++ b/drivers/acpi/acpica/psscope.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
+#include "accommon.h"
+#include "acparser.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("psscope")
diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/acpica/pstree.c
similarity index 98%
rename from drivers/acpi/parser/pstree.c
rename to drivers/acpi/acpica/pstree.c
index 1dd355d..4d33891 100644
--- a/drivers/acpi/parser/pstree.c
+++ b/drivers/acpi/acpica/pstree.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("pstree")
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/acpica/psutils.c
similarity index 98%
rename from drivers/acpi/parser/psutils.c
rename to drivers/acpi/acpica/psutils.c
index 7cf1f65..e636e07 100644
--- a/drivers/acpi/parser/psutils.c
+++ b/drivers/acpi/acpica/psutils.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("psutils")
diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/acpica/pswalk.c
similarity index 98%
rename from drivers/acpi/parser/pswalk.c
rename to drivers/acpi/acpica/pswalk.c
index 8b86ad5..78b8b79 100644
--- a/drivers/acpi/parser/pswalk.c
+++ b/drivers/acpi/acpica/pswalk.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
+#include "accommon.h"
+#include "acparser.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("pswalk")
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/acpica/psxface.c
similarity index 90%
rename from drivers/acpi/parser/psxface.c
rename to drivers/acpi/acpica/psxface.c
index 270469a..ff06032 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/acpica/psxface.c
@@ -42,9 +42,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acdispat.h"
+#include "acinterp.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_PARSER
 ACPI_MODULE_NAME("psxface")
@@ -278,6 +280,38 @@
 		goto cleanup;
 	}
 
+	/* 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);
+		info->return_object = walk_state->return_desc;
+
+		/* Cleanup states */
+
+		acpi_ds_scope_stack_clear(walk_state);
+		acpi_ps_cleanup_scope(&walk_state->parser_state);
+		acpi_ds_terminate_control_method(walk_state->method_desc,
+						 walk_state);
+		acpi_ds_delete_walk_state(walk_state);
+		goto cleanup;
+	}
+
+	/*
+	 * Start method evaluation with an implicit return of zero.
+	 * This is done for Windows compatibility.
+	 */
+	if (acpi_gbl_enable_interpreter_slack) {
+		walk_state->implicit_return_obj =
+		    acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+		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 */
 
 	status = acpi_ps_parse_aml(walk_state);
diff --git a/drivers/acpi/resources/rsaddr.c b/drivers/acpi/acpica/rsaddr.c
similarity index 99%
rename from drivers/acpi/resources/rsaddr.c
rename to drivers/acpi/acpica/rsaddr.c
index 7f96332..1e437bf 100644
--- a/drivers/acpi/resources/rsaddr.c
+++ b/drivers/acpi/acpica/rsaddr.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsaddr")
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/acpica/rscalc.c
similarity index 99%
rename from drivers/acpi/resources/rscalc.c
rename to drivers/acpi/acpica/rscalc.c
index 8eaaecf..52865ee 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acresrc.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rscalc")
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/acpica/rscreate.c
similarity index 99%
rename from drivers/acpi/resources/rscreate.c
rename to drivers/acpi/acpica/rscreate.c
index 08b8d73..61566b1 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acresrc.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rscreate")
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/acpica/rsdump.c
similarity index 99%
rename from drivers/acpi/resources/rsdump.c
rename to drivers/acpi/acpica/rsdump.c
index 6bbbb7b..3f0ca5a 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsdump")
diff --git a/drivers/acpi/resources/rsinfo.c b/drivers/acpi/acpica/rsinfo.c
similarity index 99%
rename from drivers/acpi/resources/rsinfo.c
rename to drivers/acpi/acpica/rsinfo.c
index 3f0a1fe..77b25fd 100644
--- a/drivers/acpi/resources/rsinfo.c
+++ b/drivers/acpi/acpica/rsinfo.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsinfo")
diff --git a/drivers/acpi/resources/rsio.c b/drivers/acpi/acpica/rsio.c
similarity index 99%
rename from drivers/acpi/resources/rsio.c
rename to drivers/acpi/acpica/rsio.c
index b66d42e..35a49aa 100644
--- a/drivers/acpi/resources/rsio.c
+++ b/drivers/acpi/acpica/rsio.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsio")
diff --git a/drivers/acpi/resources/rsirq.c b/drivers/acpi/acpica/rsirq.c
similarity index 99%
rename from drivers/acpi/resources/rsirq.c
rename to drivers/acpi/acpica/rsirq.c
index a8805ef..2e02569 100644
--- a/drivers/acpi/resources/rsirq.c
+++ b/drivers/acpi/acpica/rsirq.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsirq")
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/acpica/rslist.c
similarity index 99%
rename from drivers/acpi/resources/rslist.c
rename to drivers/acpi/acpica/rslist.c
index b78c7e7..1b1dbc6 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/acpica/rslist.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rslist")
diff --git a/drivers/acpi/resources/rsmemory.c b/drivers/acpi/acpica/rsmemory.c
similarity index 99%
rename from drivers/acpi/resources/rsmemory.c
rename to drivers/acpi/acpica/rsmemory.c
index 63b21ab..ddc76ce 100644
--- a/drivers/acpi/resources/rsmemory.c
+++ b/drivers/acpi/acpica/rsmemory.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsmemory")
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
similarity index 99%
rename from drivers/acpi/resources/rsmisc.c
rename to drivers/acpi/acpica/rsmisc.c
index 96a6c03..5bc49a5 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsmisc")
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/acpica/rsutils.c
similarity index 99%
rename from drivers/acpi/resources/rsutils.c
rename to drivers/acpi/acpica/rsutils.c
index f7b3bcd..bc03d59 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/acpica/rsutils.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acresrc.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acresrc.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsutils")
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/acpica/rsxface.c
similarity index 99%
rename from drivers/acpi/resources/rsxface.c
rename to drivers/acpi/acpica/rsxface.c
index f59f4c4..69a2aa5 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acresrc.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acresrc.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_RESOURCES
 ACPI_MODULE_NAME("rsxface")
diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
similarity index 67%
rename from drivers/acpi/tables/tbfadt.c
rename to drivers/acpi/acpica/tbfadt.c
index 2817158..3636e4f 100644
--- a/drivers/acpi/tables/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -42,15 +42,16 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbfadt")
 
 /* Local prototypes */
-static void inline
+static inline void
 acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
-			     u8 byte_width, u64 address);
+			     u8 space_id, u8 byte_width, u64 address);
 
 static void acpi_tb_convert_fadt(void);
 
@@ -60,9 +61,10 @@
 
 typedef struct acpi_fadt_info {
 	char *name;
-	u8 target;
-	u8 source;
+	u8 address64;
+	u8 address32;
 	u8 length;
+	u8 default_length;
 	u8 type;
 
 } acpi_fadt_info;
@@ -71,37 +73,61 @@
 #define ACPI_FADT_SEPARATE_LENGTH   2
 
 static struct acpi_fadt_info fadt_info_table[] = {
-	{"Pm1aEventBlock", ACPI_FADT_OFFSET(xpm1a_event_block),
+	{"Pm1aEventBlock",
+	 ACPI_FADT_OFFSET(xpm1a_event_block),
 	 ACPI_FADT_OFFSET(pm1a_event_block),
-	 ACPI_FADT_OFFSET(pm1_event_length), ACPI_FADT_REQUIRED},
+	 ACPI_FADT_OFFSET(pm1_event_length),
+	 ACPI_PM1_REGISTER_WIDTH * 2,	/* Enable + Status register */
+	 ACPI_FADT_REQUIRED},
 
-	{"Pm1bEventBlock", ACPI_FADT_OFFSET(xpm1b_event_block),
+	{"Pm1bEventBlock",
+	 ACPI_FADT_OFFSET(xpm1b_event_block),
 	 ACPI_FADT_OFFSET(pm1b_event_block),
-	 ACPI_FADT_OFFSET(pm1_event_length), 0},
+	 ACPI_FADT_OFFSET(pm1_event_length),
+	 ACPI_PM1_REGISTER_WIDTH * 2,	/* Enable + Status register */
+	 0},
 
-	{"Pm1aControlBlock", ACPI_FADT_OFFSET(xpm1a_control_block),
+	{"Pm1aControlBlock",
+	 ACPI_FADT_OFFSET(xpm1a_control_block),
 	 ACPI_FADT_OFFSET(pm1a_control_block),
-	 ACPI_FADT_OFFSET(pm1_control_length), ACPI_FADT_REQUIRED},
+	 ACPI_FADT_OFFSET(pm1_control_length),
+	 ACPI_PM1_REGISTER_WIDTH,
+	 ACPI_FADT_REQUIRED},
 
-	{"Pm1bControlBlock", ACPI_FADT_OFFSET(xpm1b_control_block),
+	{"Pm1bControlBlock",
+	 ACPI_FADT_OFFSET(xpm1b_control_block),
 	 ACPI_FADT_OFFSET(pm1b_control_block),
-	 ACPI_FADT_OFFSET(pm1_control_length), 0},
+	 ACPI_FADT_OFFSET(pm1_control_length),
+	 ACPI_PM1_REGISTER_WIDTH,
+	 0},
 
-	{"Pm2ControlBlock", ACPI_FADT_OFFSET(xpm2_control_block),
+	{"Pm2ControlBlock",
+	 ACPI_FADT_OFFSET(xpm2_control_block),
 	 ACPI_FADT_OFFSET(pm2_control_block),
-	 ACPI_FADT_OFFSET(pm2_control_length), ACPI_FADT_SEPARATE_LENGTH},
+	 ACPI_FADT_OFFSET(pm2_control_length),
+	 ACPI_PM2_REGISTER_WIDTH,
+	 ACPI_FADT_SEPARATE_LENGTH},
 
-	{"PmTimerBlock", ACPI_FADT_OFFSET(xpm_timer_block),
+	{"PmTimerBlock",
+	 ACPI_FADT_OFFSET(xpm_timer_block),
 	 ACPI_FADT_OFFSET(pm_timer_block),
-	 ACPI_FADT_OFFSET(pm_timer_length), ACPI_FADT_REQUIRED},
+	 ACPI_FADT_OFFSET(pm_timer_length),
+	 ACPI_PM_TIMER_WIDTH,
+	 ACPI_FADT_REQUIRED},
 
-	{"Gpe0Block", ACPI_FADT_OFFSET(xgpe0_block),
+	{"Gpe0Block",
+	 ACPI_FADT_OFFSET(xgpe0_block),
 	 ACPI_FADT_OFFSET(gpe0_block),
-	 ACPI_FADT_OFFSET(gpe0_block_length), ACPI_FADT_SEPARATE_LENGTH},
+	 ACPI_FADT_OFFSET(gpe0_block_length),
+	 0,
+	 ACPI_FADT_SEPARATE_LENGTH},
 
-	{"Gpe1Block", ACPI_FADT_OFFSET(xgpe1_block),
+	{"Gpe1Block",
+	 ACPI_FADT_OFFSET(xgpe1_block),
 	 ACPI_FADT_OFFSET(gpe1_block),
-	 ACPI_FADT_OFFSET(gpe1_block_length), ACPI_FADT_SEPARATE_LENGTH}
+	 ACPI_FADT_OFFSET(gpe1_block_length),
+	 0,
+	 ACPI_FADT_SEPARATE_LENGTH}
 };
 
 #define ACPI_FADT_INFO_ENTRIES        (sizeof (fadt_info_table) / sizeof (struct acpi_fadt_info))
@@ -122,9 +148,9 @@
  *
  ******************************************************************************/
 
-static void inline
+static inline void
 acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
-			     u8 byte_width, u64 address)
+			     u8 space_id, u8 byte_width, u64 address)
 {
 
 	/*
@@ -135,10 +161,10 @@
 
 	/* All other fields are byte-wide */
 
-	generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO;
-	generic_address->bit_width = byte_width << 3;
+	generic_address->space_id = space_id;
+	generic_address->bit_width = (u8)ACPI_MUL_8(byte_width);
 	generic_address->bit_offset = 0;
-	generic_address->access_width = 0;
+	generic_address->access_width = 0;	/* Access width ANY */
 }
 
 /*******************************************************************************
@@ -225,7 +251,8 @@
 	 */
 	if (length > sizeof(struct acpi_table_fadt)) {
 		ACPI_WARNING((AE_INFO,
-			      "FADT (revision %u) is longer than ACPI 2.0 version, truncating length 0x%X to 0x%zX",
+			      "FADT (revision %u) is longer than ACPI 2.0 version, "
+			      "truncating length 0x%X to 0x%zX",
 			      table->revision, (unsigned)length,
 			      sizeof(struct acpi_table_fadt)));
 	}
@@ -244,7 +271,6 @@
 	 * 2) Validate some of the important values within the FADT
 	 */
 	acpi_tb_convert_fadt();
-	acpi_tb_validate_fadt();
 }
 
 /*******************************************************************************
@@ -278,22 +304,36 @@
 
 static void acpi_tb_convert_fadt(void)
 {
-	u8 pm1_register_length;
-	struct acpi_generic_address *target;
+	u8 pm1_register_bit_width;
+	u8 pm1_register_byte_width;
+	struct acpi_generic_address *target64;
 	u32 i;
 
 	/* Update the local FADT table header length */
 
 	acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt);
 
-	/* Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary */
-
+	/*
+	 * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary.
+	 * Later code will always use the X 64-bit field. Also, check for an
+	 * address mismatch between the 32-bit and 64-bit address fields
+	 * (FIRMWARE_CTRL/X_FIRMWARE_CTRL, DSDT/X_DSDT) which would indicate
+	 * the presence of two FACS or two DSDT tables.
+	 */
 	if (!acpi_gbl_FADT.Xfacs) {
 		acpi_gbl_FADT.Xfacs = (u64) acpi_gbl_FADT.facs;
+	} else if (acpi_gbl_FADT.facs &&
+		   (acpi_gbl_FADT.Xfacs != (u64) acpi_gbl_FADT.facs)) {
+		ACPI_WARNING((AE_INFO,
+		    "32/64 FACS address mismatch in FADT - two FACS tables!"));
 	}
 
 	if (!acpi_gbl_FADT.Xdsdt) {
 		acpi_gbl_FADT.Xdsdt = (u64) acpi_gbl_FADT.dsdt;
+	} else if (acpi_gbl_FADT.dsdt &&
+		   (acpi_gbl_FADT.Xdsdt != (u64) acpi_gbl_FADT.dsdt)) {
+		ACPI_WARNING((AE_INFO,
+		    "32/64 DSDT address mismatch in FADT - two DSDT tables!"));
 	}
 
 	/*
@@ -312,18 +352,23 @@
 	}
 
 	/*
-	 * Expand the ACPI 1.0 32-bit V1.0 addresses to the ACPI 2.0 64-bit "X"
-	 * generic address structures as necessary.
+	 * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
+	 * generic address structures as necessary. Later code will always use
+	 * the 64-bit address structures.
 	 */
 	for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) {
-		target =
+		target64 =
 		    ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT,
-				 fadt_info_table[i].target);
+				 fadt_info_table[i].address64);
 
-		/* Expand only if the X target is null */
+		/* Expand only if the 64-bit X target is null */
 
-		if (!target->address) {
-			acpi_tb_init_generic_address(target,
+		if (!target64->address) {
+
+			/* The space_id is always I/O for the 32-bit legacy address fields */
+
+			acpi_tb_init_generic_address(target64,
+						     ACPI_ADR_SPACE_SYSTEM_IO,
 						     *ACPI_ADD_PTR(u8,
 								   &acpi_gbl_FADT,
 								   fadt_info_table
@@ -332,10 +377,63 @@
 									  &acpi_gbl_FADT,
 									  fadt_info_table
 									  [i].
-									  source));
+									  address32));
 		}
 	}
 
+	/* Validate FADT values now, before we make any changes */
+
+	acpi_tb_validate_fadt();
+
+	/*
+	 * Optionally check all register lengths against the default values and
+	 * update them if they are incorrect.
+	 */
+	if (acpi_gbl_use_default_register_widths) {
+		for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) {
+			target64 =
+			    ACPI_ADD_PTR(struct acpi_generic_address,
+					 &acpi_gbl_FADT,
+					 fadt_info_table[i].address64);
+
+			/*
+			 * If a valid register (Address != 0) and the (default_length > 0)
+			 * (Not a GPE register), then check the width against the default.
+			 */
+			if ((target64->address) &&
+			    (fadt_info_table[i].default_length > 0) &&
+			    (fadt_info_table[i].default_length !=
+			     target64->bit_width)) {
+				ACPI_WARNING((AE_INFO,
+					      "Invalid length for %s: %d, using default %d",
+					      fadt_info_table[i].name,
+					      target64->bit_width,
+					      fadt_info_table[i].
+					      default_length));
+
+				/* Incorrect size, set width to the default */
+
+				target64->bit_width =
+				    fadt_info_table[i].default_length;
+			}
+		}
+	}
+
+	/*
+	 * Get the length of the individual PM1 registers (enable and status).
+	 * Each register is defined to be (event block length / 2).
+	 */
+	pm1_register_bit_width =
+	    (u8)ACPI_DIV_2(acpi_gbl_FADT.xpm1a_event_block.bit_width);
+	pm1_register_byte_width = (u8)ACPI_DIV_8(pm1_register_bit_width);
+
+	/*
+	 * Adjust the lengths of the PM1 Event Blocks so that they can be used to
+	 * access the PM1 status register(s). Use (width / 2)
+	 */
+	acpi_gbl_FADT.xpm1a_event_block.bit_width = pm1_register_bit_width;
+	acpi_gbl_FADT.xpm1b_event_block.bit_width = pm1_register_bit_width;
+
 	/*
 	 * Calculate separate GAS structs for the PM1 Enable registers.
 	 * These addresses do not appear (directly) in the FADT, so it is
@@ -356,14 +454,14 @@
 		       " PM1_EVT_LEN (%u)\n",
 		       acpi_gbl_FADT.xpm1a_event_block.bit_width,
 		       acpi_gbl_FADT.pm1_event_length);
-	pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length);
 
 	/* The PM1A register block is required */
 
 	acpi_tb_init_generic_address(&acpi_gbl_xpm1a_enable,
-				     pm1_register_length,
+				     acpi_gbl_FADT.xpm1a_event_block.space_id,
+				     pm1_register_byte_width,
 				     (acpi_gbl_FADT.xpm1a_event_block.address +
-				      pm1_register_length));
+				      pm1_register_byte_width));
 	/* Don't forget to copy space_id of the GAS */
 	acpi_gbl_xpm1a_enable.space_id =
 	    acpi_gbl_FADT.xpm1a_event_block.space_id;
@@ -379,9 +477,10 @@
 			       acpi_gbl_FADT.xpm1b_event_block.bit_width,
 			       acpi_gbl_FADT.pm1_event_length);
 		acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
-					     pm1_register_length,
+					     acpi_gbl_FADT.xpm1b_event_block.space_id,
+					     pm1_register_byte_width,
 					     (acpi_gbl_FADT.xpm1b_event_block.
-					      address + pm1_register_length));
+					      address + pm1_register_byte_width));
 		/* Don't forget to copy space_id of the GAS */
 		acpi_gbl_xpm1b_enable.space_id =
 		    acpi_gbl_FADT.xpm1b_event_block.space_id;
@@ -411,26 +510,63 @@
 
 static void acpi_tb_validate_fadt(void)
 {
+	char *name;
 	u32 *address32;
 	struct acpi_generic_address *address64;
 	u8 length;
 	u32 i;
 
+	/*
+	 * Check for FACS and DSDT address mismatches. An address mismatch between
+	 * the 32-bit and 64-bit address fields (FIRMWARE_CTRL/X_FIRMWARE_CTRL and
+	 * DSDT/X_DSDT) would indicate the presence of two FACS or two DSDT tables.
+	 */
+	if (acpi_gbl_FADT.facs &&
+	    (acpi_gbl_FADT.Xfacs != (u64) acpi_gbl_FADT.facs)) {
+		ACPI_WARNING((AE_INFO,
+			      "32/64X FACS address mismatch in FADT - "
+			      "two FACS tables! %8.8X/%8.8X%8.8X",
+			      acpi_gbl_FADT.facs,
+			      ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xfacs)));
+	}
+
+	if (acpi_gbl_FADT.dsdt &&
+	    (acpi_gbl_FADT.Xdsdt != (u64) acpi_gbl_FADT.dsdt)) {
+		ACPI_WARNING((AE_INFO,
+			      "32/64X DSDT address mismatch in FADT - "
+			      "two DSDT tables! %8.8X/%8.8X%8.8X",
+			      acpi_gbl_FADT.dsdt,
+			      ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xdsdt)));
+	}
+
 	/* Examine all of the 64-bit extended address fields (X fields) */
 
 	for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) {
-
-		/* Generate pointers to the 32-bit and 64-bit addresses and get the length */
-
-		address64 =
-		    ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT,
-				 fadt_info_table[i].target);
+		/*
+		 * Generate pointers to the 32-bit and 64-bit addresses, get the
+		 * register length (width), and the register name
+		 */
+		address64 = ACPI_ADD_PTR(struct acpi_generic_address,
+					 &acpi_gbl_FADT,
+					 fadt_info_table[i].address64);
 		address32 =
 		    ACPI_ADD_PTR(u32, &acpi_gbl_FADT,
-				 fadt_info_table[i].source);
+				 fadt_info_table[i].address32);
 		length =
 		    *ACPI_ADD_PTR(u8, &acpi_gbl_FADT,
 				  fadt_info_table[i].length);
+		name = fadt_info_table[i].name;
+
+		/*
+		 * For each extended field, check for length mismatch between the
+		 * legacy length field and the corresponding 64-bit X length field.
+		 */
+		if (address64 && (address64->bit_width != ACPI_MUL_8(length))) {
+			ACPI_WARNING((AE_INFO,
+				      "32/64X length mismatch in %s: %d/%d",
+				      name, ACPI_MUL_8(length),
+				      address64->bit_width));
+		}
 
 		if (fadt_info_table[i].type & ACPI_FADT_REQUIRED) {
 			/*
@@ -439,8 +575,8 @@
 			 */
 			if (!address64->address || !length) {
 				ACPI_ERROR((AE_INFO,
-					    "Required field \"%s\" has zero address and/or length: %8.8X%8.8X/%X",
-					    fadt_info_table[i].name,
+					    "Required field %s has zero address and/or length: %8.8X%8.8X/%X",
+					    name,
 					    ACPI_FORMAT_UINT64(address64->
 							       address),
 					    length));
@@ -453,8 +589,8 @@
 			if ((address64->address && !length)
 			    || (!address64->address && length)) {
 				ACPI_WARNING((AE_INFO,
-					      "Optional field \"%s\" has zero address or length: %8.8X%8.8X/%X",
-					      fadt_info_table[i].name,
+					      "Optional field %s has zero address or length: %8.8X%8.8X/%X",
+					      name,
 					      ACPI_FORMAT_UINT64(address64->
 								 address),
 					      length));
@@ -466,8 +602,8 @@
 		if (address64->address && *address32 &&
 		    (address64->address != (u64) * address32)) {
 			ACPI_ERROR((AE_INFO,
-				    "32/64X address mismatch in \"%s\": [%8.8X] [%8.8X%8.8X], using 64X",
-				    fadt_info_table[i].name, *address32,
+				    "32/64X address mismatch in %s: %8.8X/%8.8X%8.8X, using 64X",
+				    name, *address32,
 				    ACPI_FORMAT_UINT64(address64->address)));
 		}
 	}
diff --git a/drivers/acpi/tables/tbfind.c b/drivers/acpi/acpica/tbfind.c
similarity index 98%
rename from drivers/acpi/tables/tbfind.c
rename to drivers/acpi/acpica/tbfind.c
index 531584d..1054dfd 100644
--- a/drivers/acpi/tables/tbfind.c
+++ b/drivers/acpi/acpica/tbfind.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbfind")
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
similarity index 99%
rename from drivers/acpi/tables/tbinstal.c
rename to drivers/acpi/acpica/tbinstal.c
index 18747ce..37374b2 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbinstal")
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/acpica/tbutils.c
similarity index 95%
rename from drivers/acpi/tables/tbutils.c
rename to drivers/acpi/acpica/tbutils.c
index 0cc92ef..9684cc8 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbutils")
@@ -113,6 +114,30 @@
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_tb_initialize_facs
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a permanent mapping for the FADT and save it in a global
+ *              for accessing the Global Lock and Firmware Waking Vector
+ *
+ ******************************************************************************/
+
+acpi_status acpi_tb_initialize_facs(void)
+{
+	acpi_status status;
+
+	status = acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+					 ACPI_CAST_INDIRECT_PTR(struct
+								acpi_table_header,
+								&acpi_gbl_FACS));
+	return status;
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_tb_tables_loaded
  *
  * PARAMETERS:  None
@@ -420,7 +445,8 @@
 
 	/* Differentiate between RSDT and XSDT root tables */
 
-	if (rsdp->revision > 1 && rsdp->xsdt_physical_address) {
+	if (rsdp->revision > 1 && rsdp->xsdt_physical_address
+			&& !acpi_rsdt_forced) {
 		/*
 		 * Root table is an XSDT (64-bit physical addresses). We must use the
 		 * XSDT if the revision is > 1 and the XSDT pointer is present, as per
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/acpica/tbxface.c
similarity index 99%
rename from drivers/acpi/tables/tbxface.c
rename to drivers/acpi/acpica/tbxface.c
index fd7770a..c3e841f 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -43,8 +43,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbxface")
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
similarity index 99%
rename from drivers/acpi/tables/tbxfroot.c
rename to drivers/acpi/acpica/tbxfroot.c
index 2d157e0..b7fc8dd 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbxfroot")
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/acpica/utalloc.c
similarity index 99%
rename from drivers/acpi/utilities/utalloc.c
rename to drivers/acpi/acpica/utalloc.c
index 241c535..7580f6b 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/acpica/utalloc.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acdebug.h>
+#include "accommon.h"
+#include "acdebug.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utalloc")
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/acpica/utcopy.c
similarity index 99%
rename from drivers/acpi/utilities/utcopy.c
rename to drivers/acpi/acpica/utcopy.c
index 5b2f7c2..b0dcfd3 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/acpica/utcopy.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 
 #define _COMPONENT          ACPI_UTILITIES
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/acpica/utdebug.c
similarity index 89%
rename from drivers/acpi/utilities/utdebug.c
rename to drivers/acpi/acpica/utdebug.c
index fd66ecb..38821f5 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -42,6 +42,7 @@
  */
 
 #include <acpi/acpi.h>
+#include "accommon.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utdebug")
@@ -136,7 +137,7 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_debug_print
+ * FUNCTION:    acpi_debug_print
  *
  * PARAMETERS:  requested_debug_level - Requested debug print level
  *              line_number         - Caller's line number (for error output)
@@ -154,11 +155,11 @@
  ******************************************************************************/
 
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_debug_print(u32 requested_debug_level,
-		    u32 line_number,
-		    const char *function_name,
-		    const char *module_name,
-		    u32 component_id, const char *format, ...)
+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_thread_id thread_id;
 	va_list args;
@@ -205,11 +206,11 @@
 	va_end(args);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_ut_debug_print)
+ACPI_EXPORT_SYMBOL(acpi_debug_print)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_debug_print_raw
+ * FUNCTION:    acpi_debug_print_raw
  *
  * PARAMETERS:  requested_debug_level - Requested debug print level
  *              line_number         - Caller's line number
@@ -226,11 +227,11 @@
  *
  ******************************************************************************/
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_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_debug_print_raw(u32 requested_debug_level,
+		     u32 line_number,
+		     const char *function_name,
+		     const char *module_name,
+		     u32 component_id, const char *format, ...)
 {
 	va_list args;
 
@@ -244,7 +245,7 @@
 	va_end(args);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw)
+ACPI_EXPORT_SYMBOL(acpi_debug_print_raw)
 
 /*******************************************************************************
  *
@@ -270,9 +271,9 @@
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr();
 
-	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-			    line_number, function_name, module_name,
-			    component_id, "%s\n", acpi_gbl_fn_entry_str);
+	acpi_debug_print(ACPI_LV_FUNCTIONS,
+			 line_number, function_name, module_name, component_id,
+			 "%s\n", acpi_gbl_fn_entry_str);
 }
 
 ACPI_EXPORT_SYMBOL(acpi_ut_trace)
@@ -301,10 +302,9 @@
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr();
 
-	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-			    line_number, function_name, module_name,
-			    component_id, "%s %p\n", acpi_gbl_fn_entry_str,
-			    pointer);
+	acpi_debug_print(ACPI_LV_FUNCTIONS,
+			 line_number, function_name, module_name, component_id,
+			 "%s %p\n", acpi_gbl_fn_entry_str, pointer);
 }
 
 /*******************************************************************************
@@ -333,10 +333,9 @@
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr();
 
-	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-			    line_number, function_name, module_name,
-			    component_id, "%s %s\n", acpi_gbl_fn_entry_str,
-			    string);
+	acpi_debug_print(ACPI_LV_FUNCTIONS,
+			 line_number, function_name, module_name, component_id,
+			 "%s %s\n", acpi_gbl_fn_entry_str, string);
 }
 
 /*******************************************************************************
@@ -365,10 +364,9 @@
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr();
 
-	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-			    line_number, function_name, module_name,
-			    component_id, "%s %08X\n", acpi_gbl_fn_entry_str,
-			    integer);
+	acpi_debug_print(ACPI_LV_FUNCTIONS,
+			 line_number, function_name, module_name, component_id,
+			 "%s %08X\n", acpi_gbl_fn_entry_str, integer);
 }
 
 /*******************************************************************************
@@ -393,9 +391,9 @@
 	     const char *module_name, u32 component_id)
 {
 
-	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-			    line_number, function_name, module_name,
-			    component_id, "%s\n", acpi_gbl_fn_exit_str);
+	acpi_debug_print(ACPI_LV_FUNCTIONS,
+			 line_number, function_name, module_name, component_id,
+			 "%s\n", acpi_gbl_fn_exit_str);
 
 	acpi_gbl_nesting_level--;
 }
@@ -426,17 +424,16 @@
 {
 
 	if (ACPI_SUCCESS(status)) {
-		acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-				    line_number, function_name, module_name,
-				    component_id, "%s %s\n",
-				    acpi_gbl_fn_exit_str,
-				    acpi_format_exception(status));
+		acpi_debug_print(ACPI_LV_FUNCTIONS,
+				 line_number, function_name, module_name,
+				 component_id, "%s %s\n", acpi_gbl_fn_exit_str,
+				 acpi_format_exception(status));
 	} else {
-		acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-				    line_number, function_name, module_name,
-				    component_id, "%s ****Exception****: %s\n",
-				    acpi_gbl_fn_exit_str,
-				    acpi_format_exception(status));
+		acpi_debug_print(ACPI_LV_FUNCTIONS,
+				 line_number, function_name, module_name,
+				 component_id, "%s ****Exception****: %s\n",
+				 acpi_gbl_fn_exit_str,
+				 acpi_format_exception(status));
 	}
 
 	acpi_gbl_nesting_level--;
@@ -467,10 +464,10 @@
 		   u32 component_id, acpi_integer value)
 {
 
-	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-			    line_number, function_name, module_name,
-			    component_id, "%s %8.8X%8.8X\n",
-			    acpi_gbl_fn_exit_str, ACPI_FORMAT_UINT64(value));
+	acpi_debug_print(ACPI_LV_FUNCTIONS,
+			 line_number, function_name, module_name, component_id,
+			 "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
+			 ACPI_FORMAT_UINT64(value));
 
 	acpi_gbl_nesting_level--;
 }
@@ -499,9 +496,9 @@
 		 const char *module_name, u32 component_id, u8 *ptr)
 {
 
-	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
-			    line_number, function_name, module_name,
-			    component_id, "%s %p\n", acpi_gbl_fn_exit_str, ptr);
+	acpi_debug_print(ACPI_LV_FUNCTIONS,
+			 line_number, function_name, module_name, component_id,
+			 "%s %p\n", acpi_gbl_fn_exit_str, ptr);
 
 	acpi_gbl_nesting_level--;
 }
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/acpica/utdelete.c
similarity index 99%
rename from drivers/acpi/utilities/utdelete.c
rename to drivers/acpi/acpica/utdelete.c
index d197c6b..a0be9e3 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utdelete")
diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/acpica/uteval.c
similarity index 98%
rename from drivers/acpi/utilities/uteval.c
rename to drivers/acpi/acpica/uteval.c
index 352747e..da9450bc 100644
--- a/drivers/acpi/utilities/uteval.c
+++ b/drivers/acpi/acpica/uteval.c
@@ -42,8 +42,9 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acinterp.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("uteval")
@@ -129,7 +130,7 @@
 
 			/* The interface is supported */
 
-			return_ACPI_STATUS(AE_CTRL_TERMINATE);
+			return_ACPI_STATUS(AE_OK);
 		}
 	}
 
@@ -143,13 +144,13 @@
 
 		/* The interface is supported */
 
-		return_ACPI_STATUS(AE_CTRL_TERMINATE);
+		return_ACPI_STATUS(AE_OK);
 	}
 
 	/* The interface is not supported */
 
 	return_desc->integer.value = 0;
-	return_ACPI_STATUS(AE_CTRL_TERMINATE);
+	return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/acpica/utglobal.c
similarity index 98%
rename from drivers/acpi/utilities/utglobal.c
rename to drivers/acpi/acpica/utglobal.c
index 17ed5ac..a3ab9d9 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -44,11 +44,11 @@
 #define DEFINE_ACPI_GLOBALS
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
-ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
 #define _COMPONENT          ACPI_UTILITIES
-    ACPI_MODULE_NAME("utglobal")
+ACPI_MODULE_NAME("utglobal")
 
 /*******************************************************************************
  *
@@ -352,7 +352,7 @@
 	"PCI_Config",
 	"EmbeddedControl",
 	"SMBus",
-	"CMOS",
+	"SystemCMOS",
 	"PCIBARTarget",
 	"DataTable"
 };
@@ -756,6 +756,7 @@
 	acpi_gbl_gpe_xrupt_list_head = NULL;
 	acpi_gbl_gpe_fadt_blocks[0] = NULL;
 	acpi_gbl_gpe_fadt_blocks[1] = NULL;
+	acpi_current_gpe_count = 0;
 
 	/* Global handlers */
 
@@ -771,6 +772,7 @@
 	acpi_gbl_global_lock_mutex = NULL;
 	acpi_gbl_global_lock_acquired = FALSE;
 	acpi_gbl_global_lock_handle = 0;
+	acpi_gbl_global_lock_present = FALSE;
 
 	/* Miscellaneous variables */
 
@@ -815,5 +817,7 @@
 	return_ACPI_STATUS(AE_OK);
 }
 
+ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
 ACPI_EXPORT_SYMBOL(acpi_dbg_level)
 ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
+ACPI_EXPORT_SYMBOL(acpi_current_gpe_count)
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/acpica/utinit.c
similarity index 97%
rename from drivers/acpi/utilities/utinit.c
rename to drivers/acpi/acpica/utinit.c
index cae515f..a54ca84 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/acpica/utinit.c
@@ -42,9 +42,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-#include <acpi/actables.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utinit")
diff --git a/drivers/acpi/utilities/utmath.c b/drivers/acpi/acpica/utmath.c
similarity index 99%
rename from drivers/acpi/utilities/utmath.c
rename to drivers/acpi/acpica/utmath.c
index c927324..c9f682d 100644
--- a/drivers/acpi/utilities/utmath.c
+++ b/drivers/acpi/acpica/utmath.c
@@ -42,6 +42,7 @@
  */
 
 #include <acpi/acpi.h>
+#include "accommon.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utmath")
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/acpica/utmisc.c
similarity index 97%
rename from drivers/acpi/utilities/utmisc.c
rename to drivers/acpi/acpica/utmisc.c
index 9089a15..c1f7f4e 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -44,7 +44,8 @@
 #include <linux/module.h>
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utmisc")
@@ -1016,7 +1017,7 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_error, acpi_ut_warning, acpi_ut_info
+ * FUNCTION:    acpi_error, acpi_exception, acpi_warning, acpi_info
  *
  * PARAMETERS:  module_name         - Caller's module name (for error output)
  *              line_number         - Caller's line number (for error output)
@@ -1029,7 +1030,7 @@
  ******************************************************************************/
 
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_error(const char *module_name, u32 line_number, const char *format, ...)
+acpi_error(const char *module_name, u32 line_number, const char *format, ...)
 {
 	va_list args;
 
@@ -1042,8 +1043,8 @@
 }
 
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_exception(const char *module_name,
-		  u32 line_number, acpi_status status, const char *format, ...)
+acpi_exception(const char *module_name,
+	       u32 line_number, acpi_status status, const char *format, ...)
 {
 	va_list args;
 
@@ -1056,11 +1057,8 @@
 	va_end(args);
 }
 
-EXPORT_SYMBOL(acpi_ut_exception);
-
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_warning(const char *module_name,
-		u32 line_number, const char *format, ...)
+acpi_warning(const char *module_name, u32 line_number, const char *format, ...)
 {
 	va_list args;
 
@@ -1073,7 +1071,7 @@
 }
 
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_info(const char *module_name, u32 line_number, const char *format, ...)
+acpi_info(const char *module_name, u32 line_number, const char *format, ...)
 {
 	va_list args;
 
@@ -1088,3 +1086,8 @@
 	acpi_os_printf("\n");
 	va_end(args);
 }
+
+ACPI_EXPORT_SYMBOL(acpi_error)
+ACPI_EXPORT_SYMBOL(acpi_exception)
+ACPI_EXPORT_SYMBOL(acpi_warning)
+ACPI_EXPORT_SYMBOL(acpi_info)
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/acpica/utmutex.c
similarity index 99%
rename from drivers/acpi/utilities/utmutex.c
rename to drivers/acpi/acpica/utmutex.c
index 7331dde..14eb52c 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/acpica/utmutex.c
@@ -42,6 +42,7 @@
  */
 
 #include <acpi/acpi.h>
+#include "accommon.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utmutex")
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/acpica/utobject.c
similarity index 99%
rename from drivers/acpi/utilities/utobject.c
rename to drivers/acpi/acpica/utobject.c
index 4bef3cf..fd5ea75 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
+#include "accommon.h"
+#include "acnamesp.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utobject")
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/acpica/utresrc.c
similarity index 99%
rename from drivers/acpi/utilities/utresrc.c
rename to drivers/acpi/acpica/utresrc.c
index c3e3e13..91b7c00 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/acpica/utresrc.c
@@ -42,7 +42,8 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/amlresrc.h>
+#include "accommon.h"
+#include "amlresrc.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utresrc")
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/acpica/utstate.c
similarity index 99%
rename from drivers/acpi/utilities/utstate.c
rename to drivers/acpi/acpica/utstate.c
index 63a6d3d..0440c95 100644
--- a/drivers/acpi/utilities/utstate.c
+++ b/drivers/acpi/acpica/utstate.c
@@ -42,6 +42,7 @@
  */
 
 #include <acpi/acpi.h>
+#include "accommon.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utstate")
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/acpica/utxface.c
similarity index 96%
rename from drivers/acpi/utilities/utxface.c
rename to drivers/acpi/acpica/utxface.c
index c198a4d..078a2272 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/acpica/utxface.c
@@ -42,9 +42,11 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/acevents.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdebug.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acdebug.h"
+#include "actables.h"
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utxface")
@@ -148,6 +150,16 @@
 	}
 
 	/*
+	 * Obtain a permanent mapping for the FACS. This is required for the
+	 * Global Lock and the Firmware Waking Vector
+	 */
+	status = acpi_tb_initialize_facs();
+	if (ACPI_FAILURE(status)) {
+		ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
+		return_ACPI_STATUS(status);
+	}
+
+	/*
 	 * Install the default op_region handlers. These are installed unless
 	 * other handlers have already been installed via the
 	 * install_address_space_handler interface.
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 1423b0c..65132f9 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -471,7 +471,7 @@
 
 static int acpi_battery_update(struct acpi_battery *battery)
 {
-	int result;
+	int result, old_present = acpi_battery_present(battery);
 	result = acpi_battery_get_status(battery);
 	if (result)
 		return result;
@@ -482,7 +482,8 @@
 		return 0;
 	}
 #endif
-	if (!battery->update_time) {
+	if (!battery->update_time ||
+	    old_present != acpi_battery_present(battery)) {
 		result = acpi_battery_get_info(battery);
 		if (result)
 			return result;
diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c
index 307963b..332fe4b 100644
--- a/drivers/acpi/cm_sbs.c
+++ b/drivers/acpi/cm_sbs.c
@@ -27,9 +27,6 @@
 #include <linux/seq_file.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
-#include <acpi/acmacros.h>
-#include <acpi/actypes.h>
-#include <acpi/acutils.h>
 
 ACPI_MODULE_NAME("cm_sbs");
 #define ACPI_AC_CLASS		"ac_adapter"
diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index c483968..20223cb 100644
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -9,7 +9,6 @@
 #include <linux/moduleparam.h>
 #include <asm/uaccess.h>
 #include <acpi/acpi_drivers.h>
-#include <acpi/acglobal.h>
 
 #define _COMPONENT		ACPI_SYSTEM_COMPONENT
 ACPI_MODULE_NAME("debug");
diff --git a/drivers/acpi/dispatcher/Makefile b/drivers/acpi/dispatcher/Makefile
deleted file mode 100644
index eb7e602..0000000
--- a/drivers/acpi/dispatcher/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := dsfield.o   dsmthdat.o  dsopcode.o  dswexec.o  dswscope.o \
-	 dsmethod.o  dsobject.o  dsutils.o   dswload.o  dswstate.o \
-	 dsinit.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 30f3ef2..8dfcbb8 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -42,7 +42,6 @@
 #include <asm/io.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
-#include <acpi/actypes.h>
 
 #define ACPI_EC_CLASS			"embedded_controller"
 #define ACPI_EC_DEVICE_NAME		"Embedded Controller"
@@ -370,7 +369,7 @@
  * Note: samsung nv5000 doesn't work with ec burst mode.
  * http://bugzilla.kernel.org/show_bug.cgi?id=4980
  */
-int acpi_ec_burst_enable(struct acpi_ec *ec)
+static int acpi_ec_burst_enable(struct acpi_ec *ec)
 {
 	u8 d;
 	struct transaction t = {.command = ACPI_EC_BURST_ENABLE,
@@ -380,7 +379,7 @@
 	return acpi_ec_transaction(ec, &t, 0);
 }
 
-int acpi_ec_burst_disable(struct acpi_ec *ec)
+static int acpi_ec_burst_disable(struct acpi_ec *ec)
 {
 	struct transaction t = {.command = ACPI_EC_BURST_DISABLE,
 				.wdata = NULL, .rdata = NULL,
@@ -756,10 +755,15 @@
 acpi_ec_register_query_methods(acpi_handle handle, u32 level,
 			       void *context, void **return_value)
 {
-	struct acpi_namespace_node *node = handle;
+	char node_name[5];
+	struct acpi_buffer buffer = { sizeof(node_name), node_name };
 	struct acpi_ec *ec = context;
 	int value = 0;
-	if (sscanf(node->name.ascii, "_Q%x", &value) == 1) {
+	acpi_status status;
+
+	status = acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer);
+
+	if (ACPI_SUCCESS(status) && sscanf(node_name, "_Q%x", &value) == 1) {
 		acpi_ec_add_query_handler(ec, value, handle, NULL, NULL);
 	}
 	return AE_OK;
@@ -978,9 +982,9 @@
 
 int __init acpi_ec_ecdt_probe(void)
 {
-	int ret;
 	acpi_status status;
 	struct acpi_table_ecdt *ecdt_ptr;
+	acpi_handle dummy;
 
 	boot_ec = make_acpi_ec();
 	if (!boot_ec)
@@ -1006,30 +1010,31 @@
 		boot_ec->gpe = ecdt_ptr->gpe;
 		boot_ec->handle = ACPI_ROOT_OBJECT;
 		acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle);
-	} else {
-		/* This workaround is needed only on some broken machines,
-		 * which require early EC, but fail to provide ECDT */
-		acpi_handle x;
-		printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
-		status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
-						boot_ec, NULL);
-		/* Check that acpi_get_devices actually find something */
-		if (ACPI_FAILURE(status) || !boot_ec->handle)
-			goto error;
-		/* We really need to limit this workaround, the only ASUS,
-		 * which needs it, has fake EC._INI method, so use it as flag.
-		 * Keep boot_ec struct as it will be needed soon.
-		 */
-		if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &x)))
-			return -ENODEV;
+		/* Add some basic check against completely broken table */
+		if (boot_ec->data_addr != boot_ec->command_addr)
+			goto install;
+	/* fall through */
 	}
-
-	ret = ec_install_handlers(boot_ec);
-	if (!ret) {
+	/* This workaround is needed only on some broken machines,
+	 * which require early EC, but fail to provide ECDT */
+	printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
+	status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
+					boot_ec, NULL);
+	/* Check that acpi_get_devices actually find something */
+	if (ACPI_FAILURE(status) || !boot_ec->handle)
+		goto error;
+	/* We really need to limit this workaround, the only ASUS,
+	 * which needs it, has fake EC._INI method, so use it as flag.
+	 * Keep boot_ec struct as it will be needed soon.
+	 */
+	if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &dummy)))
+		return -ENODEV;
+install:
+	if (!ec_install_handlers(boot_ec)) {
 		first_ec = boot_ec;
 		return 0;
 	}
-      error:
+error:
 	kfree(boot_ec);
 	boot_ec = NULL;
 	return -ENODEV;
diff --git a/drivers/acpi/events/Makefile b/drivers/acpi/events/Makefile
deleted file mode 100644
index d29f2ee..0000000
--- a/drivers/acpi/events/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := evevent.o  evregion.o  evsci.o    evxfevnt.o \
-	 evmisc.o   evrgnini.o  evxface.o  evxfregn.o \
-	 evgpe.o    evgpeblk.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/executer/Makefile b/drivers/acpi/executer/Makefile
deleted file mode 100644
index e09998a..0000000
--- a/drivers/acpi/executer/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := exconfig.o  exfield.o  exnames.o   exoparg6.o  exresolv.o  exstorob.o\
-	 exconvrt.o  exfldio.o  exoparg1.o  exprep.o    exresop.o   exsystem.o\
-	 excreate.o  exmisc.o   exoparg2.o  exregion.o  exstore.o   exutils.o \
-	 exdump.o    exmutex.o  exoparg3.o  exresnte.o  exstoren.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/hardware/Makefile b/drivers/acpi/hardware/Makefile
deleted file mode 100644
index 438ad373..0000000
--- a/drivers/acpi/hardware/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := hwacpi.o  hwgpe.o  hwregs.o  hwsleep.o
-
-obj-$(ACPI_FUTURE_USAGE) += hwtimer.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/main.c
similarity index 92%
rename from drivers/acpi/sleep/main.c
rename to drivers/acpi/main.c
index 28a691cc..7e3c609 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/main.c
@@ -101,13 +101,26 @@
  * cases.
  */
 static bool set_sci_en_on_resume;
+/*
+ * The ACPI specification wants us to save NVS memory regions during hibernation
+ * and to restore them during the subsequent resume.  However, it is not certain
+ * if this mechanism is going to work on all machines, so we allow the user to
+ * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line
+ * option.
+ */
+static bool s4_no_nvs;
+
+void __init acpi_s4_no_nvs(void)
+{
+	s4_no_nvs = true;
+}
 
 /**
  *	acpi_pm_disable_gpes - Disable the GPEs.
  */
 static int acpi_pm_disable_gpes(void)
 {
-	acpi_hw_disable_all_gpes();
+	acpi_disable_all_gpes();
 	return 0;
 }
 
@@ -135,7 +148,7 @@
 	int error = __acpi_pm_prepare();
 
 	if (!error)
-		acpi_hw_disable_all_gpes();
+		acpi_disable_all_gpes();
 	return error;
 }
 
@@ -267,7 +280,7 @@
 	 * (like wakeup GPE) haven't handler, this can avoid such GPE misfire.
 	 * acpi_leave_sleep_state will reenable specific GPEs later
 	 */
-	acpi_hw_disable_all_gpes();
+	acpi_disable_all_gpes();
 
 	local_irq_restore(flags);
 	printk(KERN_DEBUG "Back to C!\n");
@@ -394,9 +407,25 @@
 
 static int acpi_hibernation_begin(void)
 {
-	acpi_target_sleep_state = ACPI_STATE_S4;
-	acpi_sleep_tts_switch(acpi_target_sleep_state);
-	return 0;
+	int error;
+
+	error = s4_no_nvs ? 0 : hibernate_nvs_alloc();
+	if (!error) {
+		acpi_target_sleep_state = ACPI_STATE_S4;
+		acpi_sleep_tts_switch(acpi_target_sleep_state);
+	}
+
+	return error;
+}
+
+static int acpi_hibernation_pre_snapshot(void)
+{
+	int error = acpi_pm_prepare();
+
+	if (!error)
+		hibernate_nvs_save();
+
+	return error;
 }
 
 static int acpi_hibernation_enter(void)
@@ -417,6 +446,12 @@
 	return ACPI_SUCCESS(status) ? 0 : -EFAULT;
 }
 
+static void acpi_hibernation_finish(void)
+{
+	hibernate_nvs_free();
+	acpi_pm_finish();
+}
+
 static void acpi_hibernation_leave(void)
 {
 	/*
@@ -432,18 +467,20 @@
 			"cannot resume!\n");
 		panic("ACPI S4 hardware signature mismatch");
 	}
+	/* Restore the NVS memory area */
+	hibernate_nvs_restore();
 }
 
 static void acpi_pm_enable_gpes(void)
 {
-	acpi_hw_enable_all_runtime_gpes();
+	acpi_enable_all_runtime_gpes();
 }
 
 static struct platform_hibernation_ops acpi_hibernation_ops = {
 	.begin = acpi_hibernation_begin,
 	.end = acpi_pm_end,
-	.pre_snapshot = acpi_pm_prepare,
-	.finish = acpi_pm_finish,
+	.pre_snapshot = acpi_hibernation_pre_snapshot,
+	.finish = acpi_hibernation_finish,
 	.prepare = acpi_pm_prepare,
 	.enter = acpi_hibernation_enter,
 	.leave = acpi_hibernation_leave,
@@ -469,8 +506,22 @@
 
 	error = acpi_sleep_prepare(ACPI_STATE_S4);
 
+	if (!error) {
+		if (!s4_no_nvs)
+			error = hibernate_nvs_alloc();
+		if (!error)
+			acpi_target_sleep_state = ACPI_STATE_S4;
+	}
+	return error;
+}
+
+static int acpi_hibernation_pre_snapshot_old(void)
+{
+	int error = acpi_pm_disable_gpes();
+
 	if (!error)
-		acpi_target_sleep_state = ACPI_STATE_S4;
+		hibernate_nvs_save();
+
 	return error;
 }
 
@@ -481,8 +532,8 @@
 static struct platform_hibernation_ops acpi_hibernation_ops_old = {
 	.begin = acpi_hibernation_begin_old,
 	.end = acpi_pm_end,
-	.pre_snapshot = acpi_pm_disable_gpes,
-	.finish = acpi_pm_finish,
+	.pre_snapshot = acpi_hibernation_pre_snapshot_old,
+	.finish = acpi_hibernation_finish,
 	.prepare = acpi_pm_disable_gpes,
 	.enter = acpi_hibernation_enter,
 	.leave = acpi_hibernation_leave,
@@ -622,7 +673,7 @@
 {
 	/* Prepare to power off the system */
 	acpi_sleep_prepare(ACPI_STATE_S5);
-	acpi_hw_disable_all_gpes();
+	acpi_disable_all_gpes();
 }
 
 static void acpi_power_off(void)
@@ -671,7 +722,7 @@
 		sleep_states[ACPI_STATE_S4] = 1;
 		printk(" S4");
 		if (!nosigcheck) {
-			acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+			acpi_get_table(ACPI_SIG_FACS, 1,
 				(struct acpi_table_header **)&facs);
 			if (facs)
 				s4_hardware_signature =
diff --git a/drivers/acpi/namespace/Makefile b/drivers/acpi/namespace/Makefile
deleted file mode 100644
index 371a2da..0000000
--- a/drivers/acpi/namespace/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-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
-
-obj-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 25ceae91..c5e292a 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -29,7 +29,6 @@
 #include <linux/errno.h>
 #include <linux/acpi.h>
 #include <acpi/acpi_bus.h>
-#include <acpi/acmacros.h>
 
 #define ACPI_NUMA	0x80000000
 #define _COMPONENT	ACPI_NUMA
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index c811142..6729a49 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -726,7 +726,7 @@
 
 	dpc = kmalloc(sizeof(struct acpi_os_dpc), GFP_ATOMIC);
 	if (!dpc)
-		return_ACPI_STATUS(AE_NO_MEMORY);
+		return AE_NO_MEMORY;
 
 	dpc->function = function;
 	dpc->context = context;
@@ -747,7 +747,7 @@
 		status = AE_ERROR;
 		kfree(dpc);
 	}
-	return_ACPI_STATUS(status);
+	return status;
 }
 
 acpi_status acpi_os_execute(acpi_execute_type type,
diff --git a/drivers/acpi/parser/Makefile b/drivers/acpi/parser/Makefile
deleted file mode 100644
index db24ee0..0000000
--- a/drivers/acpi/parser/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := psargs.o    psparse.o  psloop.o pstree.o   pswalk.o  \
-	 psopcode.o  psscope.o  psutils.o  psxface.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index e52ad91..1c6e73c 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -796,10 +796,6 @@
 	struct list_head *node = NULL;
 	struct acpi_pci_link *link = NULL;
 
-
-	/* Make sure SCI is enabled again (Apple firmware bug?) */
-	acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1);
-
 	list_for_each(node, &acpi_link.entries) {
 		link = list_entry(node, struct acpi_pci_link, node);
 		if (!link) {
@@ -912,7 +908,7 @@
 
 __setup("acpi_irq_nobalance", acpi_irq_nobalance_set);
 
-int __init acpi_irq_balance_set(char *str)
+static int __init acpi_irq_balance_set(char *str)
 {
 	acpi_irq_balance = 1;
 	return 1;
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index bb7d50d..c926e7d 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -139,6 +139,8 @@
 {
 	acpi_status status = AE_OK;
 	unsigned long long sta = 0;
+	char node_name[5];
+	struct acpi_buffer buffer = { sizeof(node_name), node_name };
 
 
 	if (!handle || !state)
@@ -151,8 +153,10 @@
 	*state = (sta & 0x01)?ACPI_POWER_RESOURCE_STATE_ON:
 			      ACPI_POWER_RESOURCE_STATE_OFF;
 
+	acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer);
+
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] is %s\n",
-			  acpi_ut_get_node_name(handle),
+			  node_name,
 				*state ? "on" : "off"));
 
 	return 0;
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/proc.c
similarity index 92%
rename from drivers/acpi/sleep/proc.c
rename to drivers/acpi/proc.c
index 4dbc227..428c911d 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/proc.c
@@ -28,8 +28,6 @@
 {
 	int i;
 
-	ACPI_FUNCTION_TRACE("acpi_system_sleep_seq_show");
-
 	for (i = 0; i <= ACPI_STATE_S5; i++) {
 		if (sleep_states[i]) {
 			seq_printf(seq, "S%d ", i);
@@ -86,49 +84,44 @@
 
 #ifdef	HAVE_ACPI_LEGACY_ALARM
 
+static u32 cmos_bcd_read(int offset, int rtc_control);
+
 static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
 {
 	u32 sec, min, hr;
 	u32 day, mo, yr, cent = 0;
+	u32 today = 0;
 	unsigned char rtc_control = 0;
 	unsigned long flags;
 
-	ACPI_FUNCTION_TRACE("acpi_system_alarm_seq_show");
-
 	spin_lock_irqsave(&rtc_lock, flags);
 
-	sec = CMOS_READ(RTC_SECONDS_ALARM);
-	min = CMOS_READ(RTC_MINUTES_ALARM);
-	hr = CMOS_READ(RTC_HOURS_ALARM);
 	rtc_control = CMOS_READ(RTC_CONTROL);
+	sec = cmos_bcd_read(RTC_SECONDS_ALARM, rtc_control);
+	min = cmos_bcd_read(RTC_MINUTES_ALARM, rtc_control);
+	hr = cmos_bcd_read(RTC_HOURS_ALARM, rtc_control);
 
 	/* If we ever get an FACP with proper values... */
-	if (acpi_gbl_FADT.day_alarm)
+	if (acpi_gbl_FADT.day_alarm) {
 		/* ACPI spec: only low 6 its should be cared */
 		day = CMOS_READ(acpi_gbl_FADT.day_alarm) & 0x3F;
-	else
-		day = CMOS_READ(RTC_DAY_OF_MONTH);
+		if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
+			day = bcd2bin(day);
+	} else
+		day = cmos_bcd_read(RTC_DAY_OF_MONTH, rtc_control);
 	if (acpi_gbl_FADT.month_alarm)
-		mo = CMOS_READ(acpi_gbl_FADT.month_alarm);
-	else
-		mo = CMOS_READ(RTC_MONTH);
+		mo = cmos_bcd_read(acpi_gbl_FADT.month_alarm, rtc_control);
+	else {
+		mo = cmos_bcd_read(RTC_MONTH, rtc_control);
+		today = cmos_bcd_read(RTC_DAY_OF_MONTH, rtc_control);
+	}
 	if (acpi_gbl_FADT.century)
-		cent = CMOS_READ(acpi_gbl_FADT.century);
+		cent = cmos_bcd_read(acpi_gbl_FADT.century, rtc_control);
 
-	yr = CMOS_READ(RTC_YEAR);
+	yr = cmos_bcd_read(RTC_YEAR, rtc_control);
 
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
-	if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-		sec = bcd2bin(sec);
-		min = bcd2bin(min);
-		hr = bcd2bin(hr);
-		day = bcd2bin(day);
-		mo = bcd2bin(mo);
-		yr = bcd2bin(yr);
-		cent = bcd2bin(cent);
-	}
-
 	/* we're trusting the FADT (see above) */
 	if (!acpi_gbl_FADT.century)
 		/* If we're not trusting the FADT, we should at least make it
@@ -153,6 +146,20 @@
 	else
 		yr += cent * 100;
 
+	/*
+	 * Show correct dates for alarms up to a month into the future.
+	 * This solves issues for nearly all situations with the common
+	 * 30-day alarm clocks in PC hardware.
+	 */
+	if (day < today) {
+		if (mo < 12) {
+			mo += 1;
+		} else {
+			mo = 1;
+			yr += 1;
+		}
+	}
+
 	seq_printf(seq, "%4.4u-", yr);
 	(mo > 12) ? seq_puts(seq, "**-") : seq_printf(seq, "%2.2u-", mo);
 	(day > 31) ? seq_puts(seq, "** ") : seq_printf(seq, "%2.2u ", day);
@@ -227,13 +234,11 @@
 	int adjust = 0;
 	unsigned char rtc_control = 0;
 
-	ACPI_FUNCTION_TRACE("acpi_system_write_alarm");
-
 	if (count > sizeof(alarm_string) - 1)
-		return_VALUE(-EINVAL);
+		return -EINVAL;
 
 	if (copy_from_user(alarm_string, buffer, count))
-		return_VALUE(-EFAULT);
+		return -EFAULT;
 
 	alarm_string[count] = '\0';
 
@@ -334,7 +339,7 @@
 
 	result = 0;
       end:
-	return_VALUE(result ? result : count);
+	return result ? result : count;
 }
 #endif				/* HAVE_ACPI_LEGACY_ALARM */
 
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
index a6b662c..93f9114 100644
--- a/drivers/acpi/reboot.c
+++ b/drivers/acpi/reboot.c
@@ -42,7 +42,7 @@
 	case ACPI_ADR_SPACE_SYSTEM_MEMORY:
 	case ACPI_ADR_SPACE_SYSTEM_IO:
 		printk(KERN_DEBUG "ACPI MEMORY or I/O RESET_REG.\n");
-		acpi_hw_low_level_write(8, reset_value, rr);
+		acpi_reset();
 		break;
 	}
 	/* Wait ten seconds */
diff --git a/drivers/acpi/resources/Makefile b/drivers/acpi/resources/Makefile
deleted file mode 100644
index 8de4f69..0000000
--- a/drivers/acpi/resources/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := rsaddr.o rscreate.o rsinfo.o rsio.o rslist.o rsmisc.o rsxface.o \
-	 rscalc.o  rsirq.o  rsmemory.o  rsutils.o
-
-obj-$(ACPI_FUTURE_USAGE) += rsdump.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index e53e590..0619734 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -10,7 +10,6 @@
 
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
-#include <acpi/actypes.h>
 #include <linux/wait.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 39b7233..c54d7b6 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -10,7 +10,6 @@
 #include <linux/kthread.h>
 
 #include <acpi/acpi_drivers.h>
-#include <acpi/acinterp.h>	/* for acpi_ex_eisa_id_to_string() */
 
 #define _COMPONENT		ACPI_BUS_COMPONENT
 ACPI_MODULE_NAME("scan");
diff --git a/drivers/acpi/sleep/sleep.h b/drivers/acpi/sleep.h
similarity index 100%
rename from drivers/acpi/sleep/sleep.h
rename to drivers/acpi/sleep.h
diff --git a/drivers/acpi/sleep/Makefile b/drivers/acpi/sleep/Makefile
deleted file mode 100644
index f1fb888..0000000
--- a/drivers/acpi/sleep/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-obj-y					:= wakeup.o
-obj-y					+= main.o
-obj-$(CONFIG_ACPI_SLEEP)		+= proc.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 6e4107f..391d035 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -192,65 +192,6 @@
 };
 static struct kobj_attribute *counter_attrs;
 
-static int count_num_gpes(void)
-{
-	int count = 0;
-	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
-	struct acpi_gpe_block_info *gpe_block;
-	acpi_cpu_flags flags;
-
-	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
-
-	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
-	while (gpe_xrupt_info) {
-		gpe_block = gpe_xrupt_info->gpe_block_list_head;
-		while (gpe_block) {
-			count += gpe_block->register_count *
-			    ACPI_GPE_REGISTER_WIDTH;
-			gpe_block = gpe_block->next;
-		}
-		gpe_xrupt_info = gpe_xrupt_info->next;
-	}
-	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
-
-	return count;
-}
-
-static int get_gpe_device(int index, acpi_handle *handle)
-{
-	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
-	struct acpi_gpe_block_info *gpe_block;
-	acpi_cpu_flags flags;
-	struct acpi_namespace_node *node;
-
-	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
-
-	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
-	while (gpe_xrupt_info) {
-		gpe_block = gpe_xrupt_info->gpe_block_list_head;
-		node = gpe_block->node;
-		while (gpe_block) {
-			index -= gpe_block->register_count *
-			    ACPI_GPE_REGISTER_WIDTH;
-			if (index < 0) {
-				acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
-				/* return NULL if it's FADT GPE */
-				if (node->type != ACPI_TYPE_DEVICE)
-					*handle = NULL;
-				else
-					*handle = node;
-				return 0;
-			}
-			node = gpe_block->node;
-			gpe_block = gpe_block->next;
-		}
-		gpe_xrupt_info = gpe_xrupt_info->next;
-	}
-	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
-
-	return -ENODEV;
-}
-
 static void delete_gpe_attr_array(void)
 {
 	struct event_counter *tmp = all_counters;
@@ -309,7 +250,7 @@
 		goto end;
 
 	if (index < num_gpes) {
-		result = get_gpe_device(index, handle);
+		result = acpi_get_gpe_device(index, handle);
 		if (result) {
 			ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND,
 				"Invalid GPE 0x%x\n", index));
@@ -436,7 +377,7 @@
 	if (all_counters)
 		return;
 
-	num_gpes = count_num_gpes();
+	num_gpes = acpi_current_gpe_count;
 	num_counters = num_gpes + ACPI_NUM_FIXED_EVENTS + NUM_COUNTERS_EXTRA;
 
 	all_attrs = kzalloc(sizeof(struct attribute *) * (num_counters + 1),
diff --git a/drivers/acpi/tables/Makefile b/drivers/acpi/tables/Makefile
deleted file mode 100644
index 7385efa..0000000
--- a/drivers/acpi/tables/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/utilities/Makefile b/drivers/acpi/utilities/Makefile
deleted file mode 100644
index 88eff14..0000000
--- a/drivers/acpi/utilities/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
-		utcopy.o utdelete.o utglobal.o utmath.o utobject.o \
-		utstate.o utmutex.o utobject.o utcache.o utresrc.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
deleted file mode 100644
index 245fa80..0000000
--- a/drivers/acpi/utilities/utcache.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/******************************************************************************
- *
- * Module Name: utcache - local cache allocation routines
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-
-#define _COMPONENT          ACPI_UTILITIES
-ACPI_MODULE_NAME("utcache")
-#ifdef ACPI_USE_LOCAL_CACHE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_os_create_cache
- *
- * PARAMETERS:  cache_name      - Ascii name for the cache
- *              object_size     - Size of each cached object
- *              max_depth       - Maximum depth of the cache (in objects)
- *              return_cache    - Where the new cache object is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a cache object
- *
- ******************************************************************************/
-acpi_status
-acpi_os_create_cache(char *cache_name,
-		     u16 object_size,
-		     u16 max_depth, struct acpi_memory_list ** return_cache)
-{
-	struct acpi_memory_list *cache;
-
-	ACPI_FUNCTION_ENTRY();
-
-	if (!cache_name || !return_cache || (object_size < 16)) {
-		return (AE_BAD_PARAMETER);
-	}
-
-	/* Create the cache object */
-
-	cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
-	if (!cache) {
-		return (AE_NO_MEMORY);
-	}
-
-	/* Populate the cache object and return it */
-
-	ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list));
-	cache->link_offset = 8;
-	cache->list_name = cache_name;
-	cache->object_size = object_size;
-	cache->max_depth = max_depth;
-
-	*return_cache = cache;
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_os_purge_cache
- *
- * PARAMETERS:  Cache           - Handle to cache object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Free all objects within the requested cache.
- *
- ******************************************************************************/
-
-acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache)
-{
-	char *next;
-
-	ACPI_FUNCTION_ENTRY();
-
-	if (!cache) {
-		return (AE_BAD_PARAMETER);
-	}
-
-	/* Walk the list of objects in this cache */
-
-	while (cache->list_head) {
-
-		/* Delete and unlink one cached state object */
-
-		next = *(ACPI_CAST_INDIRECT_PTR(char,
-						&(((char *)cache->
-						   list_head)[cache->
-							      link_offset])));
-		ACPI_FREE(cache->list_head);
-
-		cache->list_head = next;
-		cache->current_depth--;
-	}
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_os_delete_cache
- *
- * PARAMETERS:  Cache           - Handle to cache object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Free all objects within the requested cache and delete the
- *              cache object.
- *
- ******************************************************************************/
-
-acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache)
-{
-	acpi_status status;
-
-	ACPI_FUNCTION_ENTRY();
-
-	/* Purge all objects in the cache */
-
-	status = acpi_os_purge_cache(cache);
-	if (ACPI_FAILURE(status)) {
-		return (status);
-	}
-
-	/* Now we can delete the cache object */
-
-	ACPI_FREE(cache);
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_os_release_object
- *
- * PARAMETERS:  Cache       - Handle to cache object
- *              Object      - The object to be released
- *
- * RETURN:      None
- *
- * DESCRIPTION: Release an object to the specified cache.  If cache is full,
- *              the object is deleted.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_os_release_object(struct acpi_memory_list * cache, void *object)
-{
-	acpi_status status;
-
-	ACPI_FUNCTION_ENTRY();
-
-	if (!cache || !object) {
-		return (AE_BAD_PARAMETER);
-	}
-
-	/* If cache is full, just free this object */
-
-	if (cache->current_depth >= cache->max_depth) {
-		ACPI_FREE(object);
-		ACPI_MEM_TRACKING(cache->total_freed++);
-	}
-
-	/* Otherwise put this object back into the cache */
-
-	else {
-		status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
-		if (ACPI_FAILURE(status)) {
-			return (status);
-		}
-
-		/* Mark the object as cached */
-
-		ACPI_MEMSET(object, 0xCA, cache->object_size);
-		ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_CACHED);
-
-		/* Put the object at the head of the cache list */
-
-		*(ACPI_CAST_INDIRECT_PTR(char,
-					 &(((char *)object)[cache->
-							    link_offset]))) =
-		    cache->list_head;
-		cache->list_head = object;
-		cache->current_depth++;
-
-		(void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
-	}
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_os_acquire_object
- *
- * PARAMETERS:  Cache           - Handle to cache object
- *
- * RETURN:      the acquired object.  NULL on error
- *
- * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
- *              the object is allocated.
- *
- ******************************************************************************/
-
-void *acpi_os_acquire_object(struct acpi_memory_list *cache)
-{
-	acpi_status status;
-	void *object;
-
-	ACPI_FUNCTION_NAME(os_acquire_object);
-
-	if (!cache) {
-		return (NULL);
-	}
-
-	status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
-	if (ACPI_FAILURE(status)) {
-		return (NULL);
-	}
-
-	ACPI_MEM_TRACKING(cache->requests++);
-
-	/* Check the cache first */
-
-	if (cache->list_head) {
-
-		/* There is an object available, use it */
-
-		object = cache->list_head;
-		cache->list_head = *(ACPI_CAST_INDIRECT_PTR(char,
-							    &(((char *)
-							       object)[cache->
-								       link_offset])));
-
-		cache->current_depth--;
-
-		ACPI_MEM_TRACKING(cache->hits++);
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Object %p from %s cache\n", object,
-				  cache->list_name));
-
-		status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
-		if (ACPI_FAILURE(status)) {
-			return (NULL);
-		}
-
-		/* Clear (zero) the previously used Object */
-
-		ACPI_MEMSET(object, 0, cache->object_size);
-	} else {
-		/* The cache is empty, create a new object */
-
-		ACPI_MEM_TRACKING(cache->total_allocated++);
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-		if ((cache->total_allocated - cache->total_freed) >
-		    cache->max_occupied) {
-			cache->max_occupied =
-			    cache->total_allocated - cache->total_freed;
-		}
-#endif
-
-		/* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
-
-		status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
-		if (ACPI_FAILURE(status)) {
-			return (NULL);
-		}
-
-		object = ACPI_ALLOCATE_ZEROED(cache->object_size);
-		if (!object) {
-			return (NULL);
-		}
-	}
-
-	return (object);
-}
-#endif				/* ACPI_USE_LOCAL_CACHE */
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index baa4419..f261737 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -36,6 +36,7 @@
 #include <linux/backlight.h>
 #include <linux/thermal.h>
 #include <linux/video_output.h>
+#include <linux/sort.h>
 #include <asm/uaccess.h>
 
 #include <acpi/acpi_bus.h>
@@ -481,6 +482,7 @@
 	int status = AE_OK;
 	union acpi_object arg0 = { ACPI_TYPE_INTEGER };
 	struct acpi_object_list args = { 1, &arg0 };
+	int state;
 
 
 	arg0.integer.value = level;
@@ -489,6 +491,10 @@
 		status = acpi_evaluate_object(device->dev->handle, "_BCM",
 					      &args, NULL);
 	device->brightness->curr = level;
+	for (state = 2; state < device->brightness->count; state++)
+		if (level == device->brightness->levels[state])
+			device->backlight->props.brightness = state - 2;
+
 	return status;
 }
 
@@ -626,6 +632,16 @@
 }
 
 /*
+ * Simple comparison function used to sort backlight levels.
+ */
+
+static int
+acpi_video_cmp_level(const void *a, const void *b)
+{
+	return *(int *)a - *(int *)b;
+}
+
+/*
  *  Arg:	
  *  	device	: video output device (LCD, CRT, ..)
  *
@@ -676,6 +692,10 @@
 		count++;
 	}
 
+	/* don't sort the first two brightness levels */
+	sort(&br->levels[2], count - 2, sizeof(br->levels[2]),
+		acpi_video_cmp_level, NULL);
+
 	if (count < 2)
 		goto out_free_levels;
 
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index f022eb6..50e3d2d 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -234,7 +234,7 @@
  * To force that backlight or display output switching is processed by vendor
  * specific acpi drivers or video.ko driver.
  */
-int __init acpi_backlight(char *str)
+static int __init acpi_backlight(char *str)
 {
 	if (str == NULL || *str == '\0')
 		return 1;
@@ -250,7 +250,7 @@
 }
 __setup("acpi_backlight=", acpi_backlight);
 
-int __init acpi_display_output(char *str)
+static int __init acpi_display_output(char *str)
 {
 	if (str == NULL || *str == '\0')
 		return 1;
diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/wakeup.c
similarity index 95%
rename from drivers/acpi/sleep/wakeup.c
rename to drivers/acpi/wakeup.c
index dea4c23..2d34806 100644
--- a/drivers/acpi/sleep/wakeup.c
+++ b/drivers/acpi/wakeup.c
@@ -8,7 +8,6 @@
 #include <acpi/acpi_drivers.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <acpi/acevents.h>
 #include "sleep.h"
 
 #define _COMPONENT		ACPI_SYSTEM_COMPONENT
@@ -28,8 +27,6 @@
 {
 	struct list_head *node, *next;
 
-	ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device_prep");
-
 	spin_lock(&acpi_device_lock);
 	list_for_each_safe(node, next, &acpi_wakeup_device_list) {
 		struct acpi_device *dev = container_of(node,
@@ -61,7 +58,6 @@
 	 * Caution: this routine must be invoked when interrupt is disabled 
 	 * Refer ACPI2.0: P212
 	 */
-	ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device");
 	spin_lock(&acpi_device_lock);
 	list_for_each_safe(node, next, &acpi_wakeup_device_list) {
 		struct acpi_device *dev =
@@ -103,8 +99,6 @@
 {
 	struct list_head *node, *next;
 
-	ACPI_FUNCTION_TRACE("acpi_disable_wakeup_device");
-
 	spin_lock(&acpi_device_lock);
 	list_for_each_safe(node, next, &acpi_wakeup_device_list) {
 		struct acpi_device *dev =
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index ef02e488..6273d98 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -19,12 +19,6 @@
 #include "libata.h"
 
 #include <acpi/acpi_bus.h>
-#include <acpi/acnames.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acexcep.h>
-#include <acpi/acmacros.h>
-#include <acpi/actypes.h>
 
 enum {
 	ATA_ACPI_FILTER_SETXFER	= 1 << 0,
diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c
index e2e332d..8b77a98 100644
--- a/drivers/ata/pata_acpi.c
+++ b/drivers/ata/pata_acpi.c
@@ -13,12 +13,6 @@
 #include <linux/device.h>
 #include <scsi/scsi_host.h>
 #include <acpi/acpi_bus.h>
-#include <acpi/acnames.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acexcep.h>
-#include <acpi/acmacros.h>
-#include <acpi/actypes.h>
 
 #include <linux/libata.h>
 #include <linux/ata.h>
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index 68f052b..ed306eb 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -23,8 +23,6 @@
 #include <linux/security.h>
 #include <linux/module.h>
 #include <acpi/acpi.h>
-#include <acpi/actypes.h>
-#include <acpi/actbl.h>
 #include "tpm.h"
 
 #define TCG_EVENT_NAME_LEN_MAX	255
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 8d7cf3f..f1df59f 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -15,12 +15,14 @@
 #include <linux/tick.h>
 
 #define BREAK_FUZZ	4	/* 4 us */
+#define PRED_HISTORY_PCT	50
 
 struct menu_device {
 	int		last_state_idx;
 
 	unsigned int	expected_us;
 	unsigned int	predicted_us;
+	unsigned int    current_predicted_us;
 	unsigned int	last_measured_us;
 	unsigned int	elapsed_us;
 };
@@ -47,6 +49,12 @@
 	data->expected_us =
 		(u32) ktime_to_ns(tick_nohz_get_sleep_length()) / 1000;
 
+	/* Recalculate predicted_us based on prediction_history_pct */
+	data->predicted_us *= PRED_HISTORY_PCT;
+	data->predicted_us += (100 - PRED_HISTORY_PCT) *
+				data->current_predicted_us;
+	data->predicted_us /= 100;
+
 	/* find the deepest idle state that satisfies our constraints */
 	for (i = CPUIDLE_DRIVER_STATE_START + 1; i < dev->state_count; i++) {
 		struct cpuidle_state *s = &dev->states[i];
@@ -97,7 +105,7 @@
 		measured_us = -1;
 
 	/* Predict time until next break event */
-	data->predicted_us = max(measured_us, data->last_measured_us);
+	data->current_predicted_us = max(measured_us, data->last_measured_us);
 
 	if (last_idle_us + BREAK_FUZZ <
 	    data->expected_us - target->exit_latency) {
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 2f9e941..d8f295b 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -18,12 +18,6 @@
 #include <linux/dmi.h>
 
 #include <acpi/acpi_bus.h>
-#include <acpi/acnames.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acexcep.h>
-#include <acpi/acmacros.h>
-#include <acpi/actypes.h>
 
 #define REGS_PER_GTF		7
 struct taskfile_array {
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 3949a1c..2da1781 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -428,10 +428,10 @@
 	tristate "Eee PC Hotkey Driver (EXPERIMENTAL)"
 	depends on X86
 	depends on ACPI
-	depends on BACKLIGHT_CLASS_DEVICE
-	depends on HWMON
 	depends on EXPERIMENTAL
-	depends on RFKILL
+	select BACKLIGHT_CLASS_DEVICE
+	select HWMON
+	select RFKILL
 	---help---
 	  This driver supports the Fn-Fx keys on Eee PC laptops.
 	  It also adds the ability to switch camera/wlan on/off.
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index a7dd3e9..65dc415 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -3,6 +3,7 @@
 /*
   Copyright (C) 2007,2008 Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
   Copyright (C) 2008 Peter Gruber <nokos@gmx.net>
+  Copyright (C) 2008 Tony Vroon <tony@linx.net>
   Based on earlier work:
     Copyright (C) 2003 Shane Spencer <shane@bogomip.com>
     Adrian Yee <brewt-fujitsu@brewt.org>
@@ -65,8 +66,11 @@
 #include <linux/kfifo.h>
 #include <linux/video_output.h>
 #include <linux/platform_device.h>
+#ifdef CONFIG_LEDS_CLASS
+#include <linux/leds.h>
+#endif
 
-#define FUJITSU_DRIVER_VERSION "0.4.3"
+#define FUJITSU_DRIVER_VERSION "0.5.0"
 
 #define FUJITSU_LCD_N_LEVELS 8
 
@@ -83,6 +87,24 @@
 #define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS     0x86
 #define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS     0x87
 
+/* FUNC interface - command values */
+#define FUNC_RFKILL	0x1000
+#define FUNC_LEDS	0x1001
+#define FUNC_BUTTONS	0x1002
+#define FUNC_BACKLIGHT  0x1004
+
+/* FUNC interface - responses */
+#define UNSUPPORTED_CMD 0x80000000
+
+#ifdef CONFIG_LEDS_CLASS
+/* FUNC interface - LED control */
+#define FUNC_LED_OFF	0x1
+#define FUNC_LED_ON	0x30001
+#define KEYBOARD_LAMPS	0x100
+#define LOGOLAMP_POWERON 0x2000
+#define LOGOLAMP_ALWAYS  0x4000
+#endif
+
 /* Hotkey details */
 #define KEY1_CODE	0x410	/* codes for the keys in the GIRB register */
 #define KEY2_CODE	0x411
@@ -133,7 +155,6 @@
 
 static struct fujitsu_t *fujitsu;
 static int use_alt_lcd_levels = -1;
-static int disable_brightness_keys = -1;
 static int disable_brightness_adjust = -1;
 
 /* Device used to access other hotkeys on the laptop */
@@ -145,8 +166,9 @@
 	struct platform_device *pf_device;
 	struct kfifo *fifo;
 	spinlock_t fifo_lock;
-
-	unsigned int irb;	/* info about the pressed buttons */
+	int rfkill_state;
+	int logolamp_registered;
+	int kblamps_registered;
 };
 
 static struct fujitsu_hotkey_t *fujitsu_hotkey;
@@ -154,12 +176,139 @@
 static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
 				       void *data);
 
+#ifdef CONFIG_LEDS_CLASS
+static enum led_brightness logolamp_get(struct led_classdev *cdev);
+static void logolamp_set(struct led_classdev *cdev,
+			       enum led_brightness brightness);
+
+struct led_classdev logolamp_led = {
+ .name = "fujitsu::logolamp",
+ .brightness_get = logolamp_get,
+ .brightness_set = logolamp_set
+};
+
+static enum led_brightness kblamps_get(struct led_classdev *cdev);
+static void kblamps_set(struct led_classdev *cdev,
+			       enum led_brightness brightness);
+
+struct led_classdev kblamps_led = {
+ .name = "fujitsu::kblamps",
+ .brightness_get = kblamps_get,
+ .brightness_set = kblamps_set
+};
+#endif
+
 #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
 static u32 dbg_level = 0x03;
 #endif
 
 static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data);
 
+/* Fujitsu ACPI interface function */
+
+static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
+{
+	acpi_status status = AE_OK;
+	union acpi_object params[4] = {
+	{ .type = ACPI_TYPE_INTEGER },
+	{ .type = ACPI_TYPE_INTEGER },
+	{ .type = ACPI_TYPE_INTEGER },
+	{ .type = ACPI_TYPE_INTEGER }
+	};
+	struct acpi_object_list arg_list = { 4, &params[0] };
+	struct acpi_buffer output;
+	union acpi_object out_obj;
+	acpi_handle handle = NULL;
+
+	status = acpi_get_handle(fujitsu_hotkey->acpi_handle, "FUNC", &handle);
+	if (ACPI_FAILURE(status)) {
+		vdbg_printk(FUJLAPTOP_DBG_ERROR,
+				"FUNC interface is not present\n");
+		return -ENODEV;
+	}
+
+	params[0].integer.value = cmd;
+	params[1].integer.value = arg0;
+	params[2].integer.value = arg1;
+	params[3].integer.value = arg2;
+
+	output.length = sizeof(out_obj);
+	output.pointer = &out_obj;
+
+	status = acpi_evaluate_object(handle, NULL, &arg_list, &output);
+	if (ACPI_FAILURE(status)) {
+		vdbg_printk(FUJLAPTOP_DBG_WARN,
+			"FUNC 0x%x (args 0x%x, 0x%x, 0x%x) call failed\n",
+				cmd, arg0, arg1, arg2);
+		return -ENODEV;
+	}
+
+	if (out_obj.type != ACPI_TYPE_INTEGER) {
+		vdbg_printk(FUJLAPTOP_DBG_WARN,
+			"FUNC 0x%x (args 0x%x, 0x%x, 0x%x) did not "
+			"return an integer\n",
+			cmd, arg0, arg1, arg2);
+		return -ENODEV;
+	}
+
+	vdbg_printk(FUJLAPTOP_DBG_TRACE,
+		"FUNC 0x%x (args 0x%x, 0x%x, 0x%x) returned 0x%x\n",
+			cmd, arg0, arg1, arg2, (int)out_obj.integer.value);
+	return out_obj.integer.value;
+}
+
+#ifdef CONFIG_LEDS_CLASS
+/* LED class callbacks */
+
+static void logolamp_set(struct led_classdev *cdev,
+			       enum led_brightness brightness)
+{
+	if (brightness >= LED_FULL) {
+		call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_ON);
+		call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, FUNC_LED_ON);
+	} else if (brightness >= LED_HALF) {
+		call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_ON);
+		call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, FUNC_LED_OFF);
+	} else {
+		call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, FUNC_LED_OFF);
+	}
+}
+
+static void kblamps_set(struct led_classdev *cdev,
+			       enum led_brightness brightness)
+{
+	if (brightness >= LED_FULL)
+		call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_ON);
+	else
+		call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_OFF);
+}
+
+static enum led_brightness logolamp_get(struct led_classdev *cdev)
+{
+	enum led_brightness brightness = LED_OFF;
+	int poweron, always;
+
+	poweron = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_POWERON, 0x0);
+	if (poweron == FUNC_LED_ON) {
+		brightness = LED_HALF;
+		always = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_ALWAYS, 0x0);
+		if (always == FUNC_LED_ON)
+			brightness = LED_FULL;
+	}
+	return brightness;
+}
+
+static enum led_brightness kblamps_get(struct led_classdev *cdev)
+{
+	enum led_brightness brightness = LED_OFF;
+
+	if (call_fext_func(FUNC_LEDS, 0x2, KEYBOARD_LAMPS, 0x0) == FUNC_LED_ON)
+		brightness = LED_FULL;
+
+	return brightness;
+}
+#endif
+
 /* Hardware access for LCD brightness control */
 
 static int set_lcd_level(int level)
@@ -263,44 +412,34 @@
 	return fujitsu->max_brightness;
 }
 
-static int get_lcd_level_alt(void)
-{
-	unsigned long long state = 0;
-	acpi_status status = AE_OK;
-
-	vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLS\n");
-
-	status =
-	    acpi_evaluate_integer(fujitsu->acpi_handle, "GBLS", NULL, &state);
-	if (status < 0)
-		return status;
-
-	fujitsu->brightness_level = state & 0x0fffffff;
-
-	if (state & 0x80000000)
-		fujitsu->brightness_changed = 1;
-	else
-		fujitsu->brightness_changed = 0;
-
-	return fujitsu->brightness_level;
-}
-
 /* Backlight device stuff */
 
 static int bl_get_brightness(struct backlight_device *b)
 {
-	if (use_alt_lcd_levels)
-		return get_lcd_level_alt();
-	else
-		return get_lcd_level();
+	return get_lcd_level();
 }
 
 static int bl_update_status(struct backlight_device *b)
 {
-	if (use_alt_lcd_levels)
-		return set_lcd_level_alt(b->props.brightness);
+	int ret;
+	if (b->props.power == 4)
+		ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x3);
 	else
-		return set_lcd_level(b->props.brightness);
+		ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x0);
+	if (ret != 0)
+		vdbg_printk(FUJLAPTOP_DBG_ERROR,
+			"Unable to adjust backlight power, error code %i\n",
+			ret);
+
+	if (use_alt_lcd_levels)
+		ret = set_lcd_level_alt(b->props.brightness);
+	else
+		ret = set_lcd_level(b->props.brightness);
+	if (ret != 0)
+		vdbg_printk(FUJLAPTOP_DBG_ERROR,
+			"Unable to adjust LCD brightness, error code %i\n",
+			ret);
+	return ret;
 }
 
 static struct backlight_ops fujitsubl_ops = {
@@ -344,10 +483,7 @@
 
 	int ret;
 
-	if (use_alt_lcd_levels)
-		ret = get_lcd_level_alt();
-	else
-		ret = get_lcd_level();
+	ret = get_lcd_level();
 	if (ret < 0)
 		return ret;
 
@@ -372,36 +508,13 @@
 	if (ret < 0)
 		return ret;
 
-	if (use_alt_lcd_levels)
-		ret = get_lcd_level_alt();
-	else
-		ret = get_lcd_level();
+	ret = get_lcd_level();
 	if (ret < 0)
 		return ret;
 
 	return count;
 }
 
-/* Hardware access for hotkey device */
-
-static int get_irb(void)
-{
-	unsigned long long state = 0;
-	acpi_status status = AE_OK;
-
-	vdbg_printk(FUJLAPTOP_DBG_TRACE, "Get irb\n");
-
-	status =
-	    acpi_evaluate_integer(fujitsu_hotkey->acpi_handle, "GIRB", NULL,
-				  &state);
-	if (status < 0)
-		return status;
-
-	fujitsu_hotkey->irb = state;
-
-	return fujitsu_hotkey->irb;
-}
-
 static ssize_t
 ignore_store(struct device *dev,
 	     struct device_attribute *attr, const char *buf, size_t count)
@@ -409,15 +522,57 @@
 	return count;
 }
 
+static ssize_t
+show_lid_state(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD)
+		return sprintf(buf, "unknown\n");
+	if (fujitsu_hotkey->rfkill_state & 0x100)
+		return sprintf(buf, "open\n");
+	else
+		return sprintf(buf, "closed\n");
+}
+
+static ssize_t
+show_dock_state(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD)
+		return sprintf(buf, "unknown\n");
+	if (fujitsu_hotkey->rfkill_state & 0x200)
+		return sprintf(buf, "docked\n");
+	else
+		return sprintf(buf, "undocked\n");
+}
+
+static ssize_t
+show_radios_state(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	if (fujitsu_hotkey->rfkill_state == UNSUPPORTED_CMD)
+		return sprintf(buf, "unknown\n");
+	if (fujitsu_hotkey->rfkill_state & 0x20)
+		return sprintf(buf, "on\n");
+	else
+		return sprintf(buf, "killed\n");
+}
+
 static DEVICE_ATTR(max_brightness, 0444, show_max_brightness, ignore_store);
 static DEVICE_ATTR(brightness_changed, 0444, show_brightness_changed,
 		   ignore_store);
 static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level);
+static DEVICE_ATTR(lid, 0444, show_lid_state, ignore_store);
+static DEVICE_ATTR(dock, 0444, show_dock_state, ignore_store);
+static DEVICE_ATTR(radios, 0444, show_radios_state, ignore_store);
 
 static struct attribute *fujitsupf_attributes[] = {
 	&dev_attr_brightness_changed.attr,
 	&dev_attr_max_brightness.attr,
 	&dev_attr_lcd_level.attr,
+	&dev_attr_lid.attr,
+	&dev_attr_dock.attr,
+	&dev_attr_radios.attr,
 	NULL
 };
 
@@ -435,24 +590,16 @@
 static void dmi_check_cb_common(const struct dmi_system_id *id)
 {
 	acpi_handle handle;
-	int have_blnf;
 	printk(KERN_INFO "fujitsu-laptop: Identified laptop model '%s'.\n",
 	       id->ident);
-	have_blnf = ACPI_SUCCESS
-	    (acpi_get_handle(NULL, "\\_SB.PCI0.GFX0.LCD.BLNF", &handle));
 	if (use_alt_lcd_levels == -1) {
-		vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detecting usealt\n");
-		use_alt_lcd_levels = 1;
-	}
-	if (disable_brightness_keys == -1) {
-		vdbg_printk(FUJLAPTOP_DBG_TRACE,
-			    "auto-detecting disable_keys\n");
-		disable_brightness_keys = have_blnf ? 1 : 0;
-	}
-	if (disable_brightness_adjust == -1) {
-		vdbg_printk(FUJLAPTOP_DBG_TRACE,
-			    "auto-detecting disable_adjust\n");
-		disable_brightness_adjust = have_blnf ? 0 : 1;
+		if (ACPI_SUCCESS(acpi_get_handle(NULL,
+				"\\_SB.PCI0.LPCB.FJEX.SBL2", &handle)))
+			use_alt_lcd_levels = 1;
+		else
+			use_alt_lcd_levels = 0;
+		vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as "
+			"%i\n", use_alt_lcd_levels);
 	}
 }
 
@@ -581,19 +728,14 @@
 
 	/* do config (detect defaults) */
 	use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0;
-	disable_brightness_keys = disable_brightness_keys == 1 ? 1 : 0;
 	disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
 	vdbg_printk(FUJLAPTOP_DBG_INFO,
-		    "config: [alt interface: %d], [key disable: %d], [adjust disable: %d]\n",
-		    use_alt_lcd_levels, disable_brightness_keys,
-		    disable_brightness_adjust);
+		    "config: [alt interface: %d], [adjust disable: %d]\n",
+		    use_alt_lcd_levels, disable_brightness_adjust);
 
 	if (get_max_brightness() <= 0)
 		fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS;
-	if (use_alt_lcd_levels)
-		get_lcd_level_alt();
-	else
-		get_lcd_level();
+	get_lcd_level();
 
 	return result;
 
@@ -644,43 +786,23 @@
 	case ACPI_FUJITSU_NOTIFY_CODE1:
 		keycode = 0;
 		oldb = fujitsu->brightness_level;
-		get_lcd_level();  /* the alt version always yields changed */
+		get_lcd_level();
 		newb = fujitsu->brightness_level;
 
 		vdbg_printk(FUJLAPTOP_DBG_TRACE,
 			    "brightness button event [%i -> %i (%i)]\n",
 			    oldb, newb, fujitsu->brightness_changed);
 
-		if (oldb == newb && fujitsu->brightness_changed) {
-			keycode = 0;
-			if (disable_brightness_keys != 1) {
-				if (oldb == 0) {
-					acpi_bus_generate_proc_event
-					    (fujitsu->dev,
-					     ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS,
-					     0);
-					keycode = KEY_BRIGHTNESSDOWN;
-				} else if (oldb ==
-					   (fujitsu->max_brightness) - 1) {
-					acpi_bus_generate_proc_event
-					    (fujitsu->dev,
-					     ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS,
-					     0);
-					keycode = KEY_BRIGHTNESSUP;
-				}
-			}
-		} else if (oldb < newb) {
+		if (oldb < newb) {
 			if (disable_brightness_adjust != 1) {
 				if (use_alt_lcd_levels)
 					set_lcd_level_alt(newb);
 				else
 					set_lcd_level(newb);
 			}
-			if (disable_brightness_keys != 1) {
-				acpi_bus_generate_proc_event(fujitsu->dev,
-					ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0);
-				keycode = KEY_BRIGHTNESSUP;
-			}
+			acpi_bus_generate_proc_event(fujitsu->dev,
+				ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0);
+			keycode = KEY_BRIGHTNESSUP;
 		} else if (oldb > newb) {
 			if (disable_brightness_adjust != 1) {
 				if (use_alt_lcd_levels)
@@ -688,13 +810,9 @@
 				else
 					set_lcd_level(newb);
 			}
-			if (disable_brightness_keys != 1) {
-				acpi_bus_generate_proc_event(fujitsu->dev,
-					ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0);
-				keycode = KEY_BRIGHTNESSDOWN;
-			}
-		} else {
-			keycode = KEY_UNKNOWN;
+			acpi_bus_generate_proc_event(fujitsu->dev,
+				ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0);
+			keycode = KEY_BRIGHTNESSDOWN;
 		}
 		break;
 	default:
@@ -771,7 +889,8 @@
 	input->id.bustype = BUS_HOST;
 	input->id.product = 0x06;
 	input->dev.parent = &device->dev;
-	input->evbit[0] = BIT(EV_KEY);
+
+	set_bit(EV_KEY, input->evbit);
 	set_bit(fujitsu->keycode1, input->keybit);
 	set_bit(fujitsu->keycode2, input->keybit);
 	set_bit(fujitsu->keycode3, input->keybit);
@@ -803,10 +922,44 @@
 			printk(KERN_ERR "_INI Method failed\n");
 	}
 
-	i = 0;			/* Discard hotkey ringbuffer */
-	while (get_irb() != 0 && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) ;
+	i = 0;
+	while (call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0) != 0
+		&& (i++) < MAX_HOTKEY_RINGBUFFER_SIZE)
+		; /* No action, result is discarded */
 	vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i);
 
+	fujitsu_hotkey->rfkill_state =
+		call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
+
+	/* Suspect this is a keymap of the application panel, print it */
+	printk(KERN_INFO "fujitsu-laptop: BTNI: [0x%x]\n",
+		call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0));
+
+	#ifdef CONFIG_LEDS_CLASS
+	if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) {
+		result = led_classdev_register(&fujitsu->pf_device->dev,
+						&logolamp_led);
+		if (result == 0) {
+			fujitsu_hotkey->logolamp_registered = 1;
+		} else {
+			printk(KERN_ERR "fujitsu-laptop: Could not register "
+			"LED handler for logo lamp, error %i\n", result);
+		}
+	}
+
+	if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & KEYBOARD_LAMPS) &&
+	   (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) == 0x0)) {
+		result = led_classdev_register(&fujitsu->pf_device->dev,
+						&kblamps_led);
+		if (result == 0) {
+			fujitsu_hotkey->kblamps_registered = 1;
+		} else {
+			printk(KERN_ERR "fujitsu-laptop: Could not register "
+			"LED handler for keyboard lamps, error %i\n", result);
+		}
+	}
+	#endif
+
 	return result;
 
 end:
@@ -852,16 +1005,15 @@
 
 	input = fujitsu_hotkey->input;
 
-	vdbg_printk(FUJLAPTOP_DBG_TRACE, "Hotkey event\n");
+	fujitsu_hotkey->rfkill_state =
+		call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
 
 	switch (event) {
 	case ACPI_FUJITSU_NOTIFY_CODE1:
 		i = 0;
-		while ((irb = get_irb()) != 0
-		       && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) {
-			vdbg_printk(FUJLAPTOP_DBG_TRACE, "GIRB result [%x]\n",
-				    irb);
-
+		while ((irb =
+			call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0)) != 0
+				&& (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) {
 			switch (irb & 0x4ff) {
 			case KEY1_CODE:
 				keycode = fujitsu->keycode1;
@@ -1035,6 +1187,15 @@
 		goto fail_hotkey1;
 	}
 
+	/* Sync backlight power status (needs FUJ02E3 device, hence deferred) */
+
+	if (!acpi_video_backlight_support()) {
+		if (call_fext_func(FUNC_BACKLIGHT, 0x2, 0x4, 0x0) == 3)
+			fujitsu->bl_device->props.power = 4;
+		else
+			fujitsu->bl_device->props.power = 0;
+	}
+
 	printk(KERN_INFO "fujitsu-laptop: driver " FUJITSU_DRIVER_VERSION
 	       " successfully loaded.\n");
 
@@ -1074,6 +1235,14 @@
 
 static void __exit fujitsu_cleanup(void)
 {
+	#ifdef CONFIG_LEDS_CLASS
+	if (fujitsu_hotkey->logolamp_registered != 0)
+		led_classdev_unregister(&logolamp_led);
+
+	if (fujitsu_hotkey->kblamps_registered != 0)
+		led_classdev_unregister(&kblamps_led);
+	#endif
+
 	sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
 			   &fujitsupf_attribute_group);
 	platform_device_unregister(fujitsu->pf_device);
@@ -1098,9 +1267,6 @@
 module_param(use_alt_lcd_levels, uint, 0644);
 MODULE_PARM_DESC(use_alt_lcd_levels,
 		 "Use alternative interface for lcd_levels (needed for Lifebook s6410).");
-module_param(disable_brightness_keys, uint, 0644);
-MODULE_PARM_DESC(disable_brightness_keys,
-		 "Disable brightness keys (eg. if they are already handled by the generic ACPI_VIDEO device).");
 module_param(disable_brightness_adjust, uint, 0644);
 MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment .");
 #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
@@ -1108,12 +1274,13 @@
 MODULE_PARM_DESC(debug, "Sets debug level bit-mask");
 #endif
 
-MODULE_AUTHOR("Jonathan Woithe, Peter Gruber");
+MODULE_AUTHOR("Jonathan Woithe, Peter Gruber, Tony Vroon");
 MODULE_DESCRIPTION("Fujitsu laptop extras support");
 MODULE_VERSION(FUJITSU_DRIVER_VERSION);
 MODULE_LICENSE("GPL");
 
 MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*");
+MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1E6:*:cvrS6420:*");
 MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*");
 
 static struct pnp_device_id pnp_ids[] = {
diff --git a/drivers/misc/panasonic-laptop.c b/drivers/misc/panasonic-laptop.c
index 4a1bc64..f30db36 100644
--- a/drivers/misc/panasonic-laptop.c
+++ b/drivers/misc/panasonic-laptop.c
@@ -241,8 +241,6 @@
 	};
 	acpi_status status = AE_OK;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
-
 	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SSET,
 				      &params, NULL);
 
@@ -254,8 +252,6 @@
 	unsigned long long s;
 	acpi_status status;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty");
-
 	status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY,
 				       NULL, &s);
 	if (ACPI_SUCCESS(status))
@@ -274,8 +270,6 @@
 	union acpi_object *hkey = NULL;
 	int i;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata");
-
 	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, 0,
 				      &buffer);
 	if (ACPI_FAILURE(status)) {
@@ -501,8 +495,6 @@
 	int key_code, hkey_num;
 	unsigned long long result;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_generate_keyinput");
-
 	rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY,
 				   NULL, &result);
 	if (!ACPI_SUCCESS(rc)) {
@@ -538,8 +530,6 @@
 {
 	struct pcc_acpi *pcc = (struct pcc_acpi *) data;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify");
-
 	switch (event) {
 	case HKEY_NOTIFY:
 		acpi_pcc_generate_keyinput(pcc);
@@ -554,8 +544,6 @@
 {
 	int i, rc;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
-
 	pcc->input_dev = input_allocate_device();
 	if (!pcc->input_dev) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -597,8 +585,6 @@
 	struct pcc_acpi *pcc = acpi_driver_data(device);
 	acpi_status status = AE_OK;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume");
-
 	if (device == NULL || pcc == NULL)
 		return -EINVAL;
 
@@ -616,8 +602,6 @@
 	struct pcc_acpi *pcc;
 	int num_sifr, result;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
-
 	if (!device)
 		return -EINVAL;
 
@@ -714,8 +698,6 @@
 {
 	int result = 0;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_init");
-
 	if (acpi_disabled)
 		return -ENODEV;
 
@@ -733,8 +715,6 @@
 {
 	struct pcc_acpi *pcc = acpi_driver_data(device);
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
-
 	if (!device || !pcc)
 		return -EINVAL;
 
@@ -757,8 +737,6 @@
 
 static void __exit acpi_pcc_exit(void)
 {
-	ACPI_FUNCTION_TRACE("acpi_pcc_exit");
-
 	acpi_bus_unregister_driver(&acpi_pcc_driver);
 }
 
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 571b211..537959d 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -935,14 +935,17 @@
 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 				      void *context, void **return_value)
 {
-	struct acpi_namespace_node *node;
-	union acpi_operand_object *operand;
+	struct acpi_device_info *info;
+	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 
-	node = (struct acpi_namespace_node *)handle;
-	operand = (union acpi_operand_object *)node->object;
+	if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
+		info = buffer.pointer;
 
-	printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii,
-	       (u32) operand->method.param_count);
+		printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
+			(char *)&info->name, info->param_count);
+
+		kfree(buffer.pointer);
+	}
 
 	return AE_OK;
 }
diff --git a/drivers/misc/tc1100-wmi.c b/drivers/misc/tc1100-wmi.c
index f25e4c9..b4a4aa9 100644
--- a/drivers/misc/tc1100-wmi.c
+++ b/drivers/misc/tc1100-wmi.c
@@ -30,7 +30,6 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <acpi/acpi.h>
-#include <acpi/actypes.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 #include <linux/platform_device.h>
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 899766e..3478453 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -76,7 +76,6 @@
 #include <linux/workqueue.h>
 
 #include <acpi/acpi_drivers.h>
-#include <acpi/acnamesp.h>
 
 #include <linux/pci_ids.h>
 
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index c62ab8d..1c11418 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -33,7 +33,6 @@
 #include <linux/pci-acpi.h>
 #include <acpi/acpi.h>
 #include <acpi/acpi_bus.h>
-#include <acpi/actypes.h>
 
 #define MY_NAME	"acpi_pcihp"
 
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 27fd18f..db85284 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -217,7 +217,6 @@
 #ifdef CONFIG_ACPI
 #include <acpi/acpi.h>
 #include <acpi/acpi_bus.h>
-#include <acpi/actypes.h>
 #include <linux/pci-acpi.h>
 
 extern void __init pciehp_acpi_slot_detection_init(void);
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 3582512..deea8a1 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -13,8 +13,6 @@
 #include <linux/module.h>
 #include <linux/pci-aspm.h>
 #include <acpi/acpi.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acresrc.h>
 #include <acpi/acpi_bus.h>
 
 #include <linux/pci-acpi.h>
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 383e47c..2834846 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -23,7 +23,6 @@
 #include <linux/pnp.h>
 #include <linux/mod_devicetable.h>
 #include <acpi/acpi_bus.h>
-#include <acpi/actypes.h>
 
 #include "../base.h"
 #include "pnpacpi.h"
diff --git a/include/acpi/acdisasm.h b/include/acpi/acdisasm.h
deleted file mode 100644
index 0c1ed38..0000000
--- a/include/acpi/acdisasm.h
+++ /dev/null
@@ -1,445 +0,0 @@
-/******************************************************************************
- *
- * Name: acdisasm.h - AML disassembler
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#ifndef __ACDISASM_H__
-#define __ACDISASM_H__
-
-#include "amlresrc.h"
-
-#define BLOCK_NONE              0
-#define BLOCK_PAREN             1
-#define BLOCK_BRACE             2
-#define BLOCK_COMMA_LIST        4
-#define ACPI_DEFAULT_RESNAME    *(u32 *) "__RD"
-
-struct acpi_external_list {
-	char *path;
-	char *internal_path;
-	struct acpi_external_list *next;
-	u32 value;
-	u16 length;
-	u8 type;
-};
-
-extern struct acpi_external_list *acpi_gbl_external_list;
-
-typedef const struct acpi_dmtable_info {
-	u8 opcode;
-	u8 offset;
-	char *name;
-
-} acpi_dmtable_info;
-
-/*
- * Values for Opcode above.
- * Note: 0-7 must not change, used as a flag shift value
- */
-#define ACPI_DMT_FLAG0                  0
-#define ACPI_DMT_FLAG1                  1
-#define ACPI_DMT_FLAG2                  2
-#define ACPI_DMT_FLAG3                  3
-#define ACPI_DMT_FLAG4                  4
-#define ACPI_DMT_FLAG5                  5
-#define ACPI_DMT_FLAG6                  6
-#define ACPI_DMT_FLAG7                  7
-#define ACPI_DMT_FLAGS0                 8
-#define ACPI_DMT_FLAGS2                 9
-#define ACPI_DMT_UINT8                  10
-#define ACPI_DMT_UINT16                 11
-#define ACPI_DMT_UINT24                 12
-#define ACPI_DMT_UINT32                 13
-#define ACPI_DMT_UINT56                 14
-#define ACPI_DMT_UINT64                 15
-#define ACPI_DMT_STRING                 16
-#define ACPI_DMT_NAME4                  17
-#define ACPI_DMT_NAME6                  18
-#define ACPI_DMT_NAME8                  19
-#define ACPI_DMT_CHKSUM                 20
-#define ACPI_DMT_SPACEID                21
-#define ACPI_DMT_GAS                    22
-#define ACPI_DMT_ASF                    23
-#define ACPI_DMT_DMAR                   24
-#define ACPI_DMT_HEST                   25
-#define ACPI_DMT_HESTNTFY               26
-#define ACPI_DMT_HESTNTYP               27
-#define ACPI_DMT_MADT                   28
-#define ACPI_DMT_SRAT                   29
-#define ACPI_DMT_EXIT                   30
-#define ACPI_DMT_SIG                    31
-
-typedef
-void (*acpi_dmtable_handler) (struct acpi_table_header * table);
-
-struct acpi_dmtable_data {
-	char *signature;
-	struct acpi_dmtable_info *table_info;
-	acpi_dmtable_handler table_handler;
-	char *name;
-};
-
-struct acpi_op_walk_info {
-	u32 level;
-	u32 last_level;
-	u32 count;
-	u32 bit_offset;
-	u32 flags;
-	struct acpi_walk_state *walk_state;
-};
-
-typedef
-acpi_status(*asl_walk_callback) (union acpi_parse_object * op,
-				 u32 level, void *context);
-
-struct acpi_resource_tag {
-	u32 bit_index;
-	char *tag;
-};
-
-/* Strings used for decoding flags to ASL keywords */
-
-extern const char *acpi_gbl_word_decode[];
-extern const char *acpi_gbl_irq_decode[];
-extern const char *acpi_gbl_lock_rule[];
-extern const char *acpi_gbl_access_types[];
-extern const char *acpi_gbl_update_rules[];
-extern const char *acpi_gbl_match_ops[];
-
-extern struct acpi_dmtable_info acpi_dm_table_info_asf0[];
-extern struct acpi_dmtable_info acpi_dm_table_info_asf1[];
-extern struct acpi_dmtable_info acpi_dm_table_info_asf1a[];
-extern struct acpi_dmtable_info acpi_dm_table_info_asf2[];
-extern struct acpi_dmtable_info acpi_dm_table_info_asf2a[];
-extern struct acpi_dmtable_info acpi_dm_table_info_asf3[];
-extern struct acpi_dmtable_info acpi_dm_table_info_asf4[];
-extern struct acpi_dmtable_info acpi_dm_table_info_asf_hdr[];
-extern struct acpi_dmtable_info acpi_dm_table_info_boot[];
-extern struct acpi_dmtable_info acpi_dm_table_info_bert[];
-extern struct acpi_dmtable_info acpi_dm_table_info_cpep[];
-extern struct acpi_dmtable_info acpi_dm_table_info_cpep0[];
-extern struct acpi_dmtable_info acpi_dm_table_info_dbgp[];
-extern struct acpi_dmtable_info acpi_dm_table_info_dmar[];
-extern struct acpi_dmtable_info acpi_dm_table_info_dmar_hdr[];
-extern struct acpi_dmtable_info acpi_dm_table_info_dmar_scope[];
-extern struct acpi_dmtable_info acpi_dm_table_info_dmar0[];
-extern struct acpi_dmtable_info acpi_dm_table_info_dmar1[];
-extern struct acpi_dmtable_info acpi_dm_table_info_dmar2[];
-extern struct acpi_dmtable_info acpi_dm_table_info_ecdt[];
-extern struct acpi_dmtable_info acpi_dm_table_info_einj[];
-extern struct acpi_dmtable_info acpi_dm_table_info_einj0[];
-extern struct acpi_dmtable_info acpi_dm_table_info_erst[];
-extern struct acpi_dmtable_info acpi_dm_table_info_facs[];
-extern struct acpi_dmtable_info acpi_dm_table_info_fadt1[];
-extern struct acpi_dmtable_info acpi_dm_table_info_fadt2[];
-extern struct acpi_dmtable_info acpi_dm_table_info_gas[];
-extern struct acpi_dmtable_info acpi_dm_table_info_header[];
-extern struct acpi_dmtable_info acpi_dm_table_info_hest[];
-extern struct acpi_dmtable_info acpi_dm_table_info_hest9[];
-extern struct acpi_dmtable_info acpi_dm_table_info_hest_notify[];
-extern struct acpi_dmtable_info acpi_dm_table_info_hpet[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt0[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt1[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt2[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt3[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt4[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt5[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt6[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt7[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt8[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt9[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt10[];
-extern struct acpi_dmtable_info acpi_dm_table_info_madt_hdr[];
-extern struct acpi_dmtable_info acpi_dm_table_info_mcfg[];
-extern struct acpi_dmtable_info acpi_dm_table_info_mcfg0[];
-extern struct acpi_dmtable_info acpi_dm_table_info_rsdp1[];
-extern struct acpi_dmtable_info acpi_dm_table_info_rsdp2[];
-extern struct acpi_dmtable_info acpi_dm_table_info_sbst[];
-extern struct acpi_dmtable_info acpi_dm_table_info_slic[];
-extern struct acpi_dmtable_info acpi_dm_table_info_slit[];
-extern struct acpi_dmtable_info acpi_dm_table_info_spcr[];
-extern struct acpi_dmtable_info acpi_dm_table_info_spmi[];
-extern struct acpi_dmtable_info acpi_dm_table_info_srat[];
-extern struct acpi_dmtable_info acpi_dm_table_info_srat_hdr[];
-extern struct acpi_dmtable_info acpi_dm_table_info_srat0[];
-extern struct acpi_dmtable_info acpi_dm_table_info_srat1[];
-extern struct acpi_dmtable_info acpi_dm_table_info_srat2[];
-extern struct acpi_dmtable_info acpi_dm_table_info_tcpa[];
-extern struct acpi_dmtable_info acpi_dm_table_info_wdrt[];
-
-/*
- * dmtable
- */
-void acpi_dm_dump_data_table(struct acpi_table_header *table);
-
-acpi_status
-acpi_dm_dump_table(u32 table_length,
-		   u32 table_offset,
-		   void *table,
-		   u32 sub_table_length, struct acpi_dmtable_info *info);
-
-void acpi_dm_line_header(u32 offset, u32 byte_length, char *name);
-
-void acpi_dm_line_header2(u32 offset, u32 byte_length, char *name, u32 value);
-
-/*
- * dmtbdump
- */
-void acpi_dm_dump_asf(struct acpi_table_header *table);
-
-void acpi_dm_dump_cpep(struct acpi_table_header *table);
-
-void acpi_dm_dump_dmar(struct acpi_table_header *table);
-
-void acpi_dm_dump_einj(struct acpi_table_header *table);
-
-void acpi_dm_dump_erst(struct acpi_table_header *table);
-
-void acpi_dm_dump_fadt(struct acpi_table_header *table);
-
-void acpi_dm_dump_hest(struct acpi_table_header *table);
-
-void acpi_dm_dump_mcfg(struct acpi_table_header *table);
-
-void acpi_dm_dump_madt(struct acpi_table_header *table);
-
-u32 acpi_dm_dump_rsdp(struct acpi_table_header *table);
-
-void acpi_dm_dump_rsdt(struct acpi_table_header *table);
-
-void acpi_dm_dump_slit(struct acpi_table_header *table);
-
-void acpi_dm_dump_srat(struct acpi_table_header *table);
-
-void acpi_dm_dump_xsdt(struct acpi_table_header *table);
-
-/*
- * dmwalk
- */
-void
-acpi_dm_disassemble(struct acpi_walk_state *walk_state,
-		    union acpi_parse_object *origin, u32 num_opcodes);
-
-void
-acpi_dm_walk_parse_tree(union acpi_parse_object *op,
-			asl_walk_callback descending_callback,
-			asl_walk_callback ascending_callback, void *context);
-
-/*
- * dmopcode
- */
-void
-acpi_dm_disassemble_one_op(struct acpi_walk_state *walk_state,
-			   struct acpi_op_walk_info *info,
-			   union acpi_parse_object *op);
-
-void acpi_dm_decode_internal_object(union acpi_operand_object *obj_desc);
-
-u32 acpi_dm_list_type(union acpi_parse_object *op);
-
-void acpi_dm_method_flags(union acpi_parse_object *op);
-
-void acpi_dm_field_flags(union acpi_parse_object *op);
-
-void acpi_dm_address_space(u8 space_id);
-
-void acpi_dm_region_flags(union acpi_parse_object *op);
-
-void acpi_dm_match_op(union acpi_parse_object *op);
-
-u8 acpi_dm_comma_if_list_member(union acpi_parse_object *op);
-
-void acpi_dm_comma_if_field_member(union acpi_parse_object *op);
-
-/*
- * dmnames
- */
-u32 acpi_dm_dump_name(char *name);
-
-acpi_status
-acpi_ps_display_object_pathname(struct acpi_walk_state *walk_state,
-				union acpi_parse_object *op);
-
-void acpi_dm_namestring(char *name);
-
-/*
- * dmobject
- */
-void
-acpi_dm_display_internal_object(union acpi_operand_object *obj_desc,
-				struct acpi_walk_state *walk_state);
-
-void acpi_dm_display_arguments(struct acpi_walk_state *walk_state);
-
-void acpi_dm_display_locals(struct acpi_walk_state *walk_state);
-
-void
-acpi_dm_dump_method_info(acpi_status status,
-			 struct acpi_walk_state *walk_state,
-			 union acpi_parse_object *op);
-
-/*
- * dmbuffer
- */
-void acpi_dm_disasm_byte_list(u32 level, u8 * byte_data, u32 byte_count);
-
-void
-acpi_dm_byte_list(struct acpi_op_walk_info *info, union acpi_parse_object *op);
-
-void acpi_dm_is_eisa_id(union acpi_parse_object *op);
-
-void acpi_dm_eisa_id(u32 encoded_id);
-
-u8 acpi_dm_is_unicode_buffer(union acpi_parse_object *op);
-
-u8 acpi_dm_is_string_buffer(union acpi_parse_object *op);
-
-/*
- * dmresrc
- */
-void acpi_dm_dump_integer8(u8 value, char *name);
-
-void acpi_dm_dump_integer16(u16 value, char *name);
-
-void acpi_dm_dump_integer32(u32 value, char *name);
-
-void acpi_dm_dump_integer64(u64 value, char *name);
-
-void
-acpi_dm_resource_template(struct acpi_op_walk_info *info,
-			  union acpi_parse_object *op,
-			  u8 * byte_data, u32 byte_count);
-
-acpi_status acpi_dm_is_resource_template(union acpi_parse_object *op);
-
-void acpi_dm_indent(u32 level);
-
-void acpi_dm_bit_list(u16 mask);
-
-void acpi_dm_decode_attribute(u8 attribute);
-
-void acpi_dm_descriptor_name(void);
-
-/*
- * dmresrcl
- */
-void
-acpi_dm_word_descriptor(union aml_resource *resource, u32 length, u32 level);
-
-void
-acpi_dm_dword_descriptor(union aml_resource *resource, u32 length, u32 level);
-
-void
-acpi_dm_extended_descriptor(union aml_resource *resource,
-			    u32 length, u32 level);
-
-void
-acpi_dm_qword_descriptor(union aml_resource *resource, u32 length, u32 level);
-
-void
-acpi_dm_memory24_descriptor(union aml_resource *resource,
-			    u32 length, u32 level);
-
-void
-acpi_dm_memory32_descriptor(union aml_resource *resource,
-			    u32 length, u32 level);
-
-void
-acpi_dm_fixed_memory32_descriptor(union aml_resource *resource,
-				  u32 length, u32 level);
-
-void
-acpi_dm_generic_register_descriptor(union aml_resource *resource,
-				    u32 length, u32 level);
-
-void
-acpi_dm_interrupt_descriptor(union aml_resource *resource,
-			     u32 length, u32 level);
-
-void
-acpi_dm_vendor_large_descriptor(union aml_resource *resource,
-				u32 length, u32 level);
-
-void acpi_dm_vendor_common(char *name, u8 * byte_data, u32 length, u32 level);
-
-/*
- * dmresrcs
- */
-void
-acpi_dm_irq_descriptor(union aml_resource *resource, u32 length, u32 level);
-
-void
-acpi_dm_dma_descriptor(union aml_resource *resource, u32 length, u32 level);
-
-void acpi_dm_io_descriptor(union aml_resource *resource, u32 length, u32 level);
-
-void
-acpi_dm_fixed_io_descriptor(union aml_resource *resource,
-			    u32 length, u32 level);
-
-void
-acpi_dm_start_dependent_descriptor(union aml_resource *resource,
-				   u32 length, u32 level);
-
-void
-acpi_dm_end_dependent_descriptor(union aml_resource *resource,
-				 u32 length, u32 level);
-
-void
-acpi_dm_vendor_small_descriptor(union aml_resource *resource,
-				u32 length, u32 level);
-
-/*
- * dmutils
- */
-void acpi_dm_add_to_external_list(char *path, u8 type, u32 value);
-
-/*
- * dmrestag
- */
-void acpi_dm_find_resources(union acpi_parse_object *root);
-
-void
-acpi_dm_check_resource_reference(union acpi_parse_object *op,
-				 struct acpi_walk_state *walk_state);
-
-#endif				/* __ACDISASM_H__ */
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 84f5cb2..eda0454 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -153,8 +153,9 @@
 #define AE_AML_CIRCULAR_REFERENCE       (acpi_status) (0x001E | AE_CODE_AML)
 #define AE_AML_BAD_RESOURCE_LENGTH      (acpi_status) (0x001F | AE_CODE_AML)
 #define AE_AML_ILLEGAL_ADDRESS          (acpi_status) (0x0020 | AE_CODE_AML)
+#define AE_AML_INFINITE_LOOP            (acpi_status) (0x0021 | AE_CODE_AML)
 
-#define AE_CODE_AML_MAX                 0x0020
+#define AE_CODE_AML_MAX                 0x0021
 
 /*
  * Internal exceptions used for control
@@ -175,6 +176,8 @@
 
 #define AE_CODE_CTRL_MAX                0x000D
 
+/* Exception strings for acpi_format_exception */
+
 #ifdef DEFINE_ACPI_GLOBALS
 
 /*
@@ -267,6 +270,7 @@
 	"AE_AML_CIRCULAR_REFERENCE",
 	"AE_AML_BAD_RESOURCE_LENGTH",
 	"AE_AML_ILLEGAL_ADDRESS",
+	"AE_AML_INFINITE_LOOP"
 };
 
 char const *acpi_gbl_exception_names_ctrl[] = {
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index db8852d..5c823d5 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -45,9 +45,9 @@
 #define __ACOUTPUT_H__
 
 /*
- * Debug levels and component IDs.  These are used to control the
- * granularity of the output of the DEBUG_PRINT macro -- on a per-
- * component basis and a per-exception-type basis.
+ * Debug levels and component IDs. These are used to control the
+ * granularity of the output of the ACPI_DEBUG_PRINT macro -- on a
+ * per-component basis and a per-exception-type basis.
  */
 
 /* Component IDs are used in the global "DebugLayer" */
@@ -69,8 +69,10 @@
 
 #define ACPI_COMPILER               0x00001000
 #define ACPI_TOOLS                  0x00002000
+#define ACPI_EXAMPLE                0x00004000
+#define ACPI_DRIVER                 0x00008000
 
-#define ACPI_ALL_COMPONENTS         0x00003FFF
+#define ACPI_ALL_COMPONENTS         0x0000FFFF
 #define ACPI_COMPONENT_DEFAULT      (ACPI_ALL_COMPONENTS)
 
 /* Component IDs reserved for ACPI drivers */
@@ -78,7 +80,7 @@
 #define ACPI_ALL_DRIVERS            0xFFFF0000
 
 /*
- * Raw debug output levels, do not use these in the DEBUG_PRINT macros
+ * Raw debug output levels, do not use these in the ACPI_DEBUG_PRINT macros
  */
 #define ACPI_LV_INIT                0x00000001
 #define ACPI_LV_DEBUG_OBJECT        0x00000002
@@ -176,4 +178,95 @@
 #define ACPI_NORMAL_DEFAULT         (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT)
 #define ACPI_DEBUG_ALL              (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
 
+#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
+/*
+ * Module name is included in both debug and non-debug versions primarily for
+ * error messages. The __FILE__ macro is not very useful for this, because it
+ * often includes the entire pathname to the module
+ */
+#define ACPI_MODULE_NAME(name)          static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
+#else
+#define ACPI_MODULE_NAME(name)
+#endif
+
+/*
+ * Ascii error messages can be configured out
+ */
+#ifndef ACPI_NO_ERROR_MESSAGES
+#define AE_INFO                         _acpi_module_name, __LINE__
+
+/*
+ * Error reporting. Callers module and line number are inserted by AE_INFO,
+ * the plist contains a set of parens to allow variable-length lists.
+ * These macros are used for both the debug and non-debug versions of the code.
+ */
+#define ACPI_INFO(plist)                acpi_info plist
+#define ACPI_WARNING(plist)             acpi_warning plist
+#define ACPI_EXCEPTION(plist)           acpi_exception plist
+#define ACPI_ERROR(plist)               acpi_error plist
+
+#else
+
+/* No error messages */
+
+#define ACPI_INFO(plist)
+#define ACPI_WARNING(plist)
+#define ACPI_EXCEPTION(plist)
+#define ACPI_ERROR(plist)
+
+#endif				/* ACPI_NO_ERROR_MESSAGES */
+
+/*
+ * Debug macros that are conditionally compiled
+ */
+#ifdef ACPI_DEBUG_OUTPUT
+
+/*
+ * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
+ * define it now. This is the case where there the compiler does not support
+ * a __FUNCTION__ macro or equivalent.
+ */
+#ifndef ACPI_GET_FUNCTION_NAME
+#define ACPI_GET_FUNCTION_NAME          _acpi_function_name
+
+/*
+ * The Name parameter should be the procedure name as a quoted string.
+ * The function name is also used by the function exit macros below.
+ * Note: (const char) is used to be compatible with the debug interfaces
+ * and macros such as __FUNCTION__.
+ */
+#define ACPI_FUNCTION_NAME(name)        static const char _acpi_function_name[] = #name;
+
+#else
+/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
+
+#define ACPI_FUNCTION_NAME(name)
+#endif				/* ACPI_GET_FUNCTION_NAME */
+
+/*
+ * Common parameters used for debug output functions:
+ * line number, function name, module(file) name, component ID
+ */
+#define ACPI_DEBUG_PARAMETERS           __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
+
+/*
+ * Master debug print macros
+ * Print message if and only if:
+ *    1) Debug print for the current component is enabled
+ *    2) Debug error level or trace level for the print statement is enabled
+ */
+#define ACPI_DEBUG_PRINT(plist)         acpi_debug_print plist
+#define ACPI_DEBUG_PRINT_RAW(plist)     acpi_debug_print_raw plist
+
+#else
+/*
+ * This is the non-debug case -- make everything go away,
+ * leaving no executable debug code!
+ */
+#define ACPI_FUNCTION_NAME(a)
+#define ACPI_DEBUG_PRINT(pl)
+#define ACPI_DEBUG_PRINT_RAW(pl)
+
+#endif				/* ACPI_DEBUG_OUTPUT */
+
 #endif				/* __ACOUTPUT_H__ */
diff --git a/include/acpi/acpi.h b/include/acpi/acpi.h
index c515ef6..472b7bf 100644
--- a/include/acpi/acpi.h
+++ b/include/acpi/acpi.h
@@ -1,6 +1,6 @@
 /******************************************************************************
  *
- * Name: acpi.h - Master include file, Publics and external data.
+ * Name: acpi.h - Master public include file used to interface to ACPICA
  *
  *****************************************************************************/
 
@@ -45,25 +45,22 @@
 #define __ACPI_H__
 
 /*
- * Common includes for all ACPI driver files
- * We put them here because we don't want to duplicate them
- * in the rest of the source code again and again.
+ * Public include files for use by code that will interface to ACPICA.
+ *
+ * Information includes the ACPICA data types, names, exceptions, and
+ * external interface prototypes. Also included are the definitions for
+ * all ACPI tables (FADT, MADT, etc.)
+ *
+ * Note: The order of these include files is important.
  */
-#include "acnames.h"		/* Global ACPI names and strings */
-#include "acconfig.h"		/* Configuration constants */
-#include "platform/acenv.h"	/* Target environment specific items */
-#include "actypes.h"		/* Fundamental common data types */
-#include "acexcep.h"		/* ACPI exception codes */
-#include "acmacros.h"		/* C macros */
+#include "platform/acenv.h"	/* Environment-specific items */
+#include "acnames.h"		/* Common ACPI names and strings */
+#include "actypes.h"		/* ACPICA data types and structures */
+#include "acexcep.h"		/* ACPICA exceptions */
 #include "actbl.h"		/* ACPI table definitions */
-#include "aclocal.h"		/* Internal data types */
 #include "acoutput.h"		/* Error output and Debug macros */
-#include "acpiosxf.h"		/* Interfaces to the ACPI-to-OS layer */
+#include "acrestyp.h"		/* Resource Descriptor structs */
+#include "acpiosxf.h"		/* OSL interfaces (ACPICA-to-OS) */
 #include "acpixf.h"		/* ACPI core subsystem external interfaces */
-#include "acobject.h"		/* ACPI internal object */
-#include "acstruct.h"		/* Common structures */
-#include "acglobal.h"		/* All global variables */
-#include "achware.h"		/* Hardware defines and interfaces */
-#include "acutils.h"		/* Utility interfaces */
 
 #endif				/* __ACPI_H__ */
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index b91440a..a62720a 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -121,8 +121,11 @@
 acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
 
 /*
- * Mutex primitives
+ * Mutex primitives. May be configured to use semaphores instead via
+ * ACPI_MUTEX_TYPE (see platform/acenv.h)
  */
+#if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)
+
 acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
 
 void acpi_os_delete_mutex(acpi_mutex handle);
@@ -130,13 +133,7 @@
 acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
 
 void acpi_os_release_mutex(acpi_mutex handle);
-
-/* Temporary macros for Mutex* interfaces, map to existing semaphore xfaces */
-
-#define acpi_os_create_mutex(out_handle)    acpi_os_create_semaphore (1, 1, out_handle)
-#define acpi_os_delete_mutex(handle)        (void) acpi_os_delete_semaphore (handle)
-#define acpi_os_acquire_mutex(handle,time)  acpi_os_wait_semaphore (handle, 1, time)
-#define acpi_os_release_mutex(handle)       (void) acpi_os_signal_semaphore (handle, 1)
+#endif
 
 /*
  * Memory allocation and mapping
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 33bc0e3b1..c8e8cf4 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -45,9 +45,32 @@
 #ifndef __ACXFACE_H__
 #define __ACXFACE_H__
 
+/* Current ACPICA subsystem version in YYYYMMDD format */
+
+#define ACPI_CA_VERSION                 0x20081204
+
 #include "actypes.h"
 #include "actbl.h"
 
+extern u8 acpi_gbl_permanent_mmap;
+
+/*
+ * Globals that are publically available, allowing for
+ * run time configuration
+ */
+extern u32 acpi_dbg_level;
+extern u32 acpi_dbg_layer;
+extern u8 acpi_gbl_enable_interpreter_slack;
+extern u8 acpi_gbl_all_methods_serialized;
+extern u8 acpi_gbl_create_osi_method;
+extern u8 acpi_gbl_leave_wake_gpes_disabled;
+extern acpi_name acpi_gbl_trace_method_name;
+extern u32 acpi_gbl_trace_flags;
+
+extern u32 acpi_current_gpe_count;
+extern struct acpi_table_fadt acpi_gbl_FADT;
+
+extern u32 acpi_rsdt_forced;
 /*
  * Global interfaces
  */
@@ -79,11 +102,6 @@
 
 acpi_status acpi_purge_cached_objects(void);
 
-#ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
-#endif
-
 /*
  * ACPI Memory management
  */
@@ -193,9 +211,12 @@
 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
 
 /*
- * Event handler interfaces
+ * Handler interfaces
  */
 acpi_status
+acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
+
+acpi_status
 acpi_install_fixed_event_handler(u32 acpi_event,
 				 acpi_event_handler handler, void *context);
 
@@ -227,6 +248,10 @@
 			 u32 gpe_number,
 			 u32 type, acpi_event_handler address, void *context);
 
+acpi_status
+acpi_remove_gpe_handler(acpi_handle gpe_device,
+			u32 gpe_number, acpi_event_handler address);
+
 #ifdef ACPI_FUTURE_USAGE
 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
 #endif
@@ -238,10 +263,6 @@
 
 acpi_status acpi_release_global_lock(u32 handle);
 
-acpi_status
-acpi_remove_gpe_handler(acpi_handle gpe_device,
-			u32 gpe_number, acpi_event_handler address);
-
 acpi_status acpi_enable_event(u32 event, u32 flags);
 
 acpi_status acpi_disable_event(u32 event, u32 flags);
@@ -250,6 +271,9 @@
 
 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
 
+/*
+ * GPE Interfaces
+ */
 acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type);
 
 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
@@ -263,6 +287,12 @@
 		    u32 gpe_number,
 		    u32 flags, acpi_event_status * event_status);
 
+acpi_status acpi_disable_all_gpes(void);
+
+acpi_status acpi_enable_all_runtime_gpes(void);
+
+acpi_status acpi_get_gpe_device(u32 gpe_index, acpi_handle *gpe_device);
+
 acpi_status
 acpi_install_gpe_block(acpi_handle gpe_device,
 		       struct acpi_generic_address *gpe_block_address,
@@ -313,6 +343,8 @@
 /*
  * Hardware (ACPI device) interfaces
  */
+acpi_status acpi_reset(void);
+
 acpi_status acpi_get_register(u32 register_id, u32 * return_value);
 
 acpi_status acpi_get_register_unlocked(u32 register_id, u32 *return_value);
@@ -320,12 +352,14 @@
 acpi_status acpi_set_register(u32 register_id, u32 value);
 
 acpi_status
-acpi_set_firmware_waking_vector(acpi_physical_address physical_address);
+acpi_set_firmware_waking_vector(u32 physical_address);
 
-#ifdef ACPI_FUTURE_USAGE
 acpi_status
-acpi_get_firmware_waking_vector(acpi_physical_address * physical_address);
-#endif
+acpi_set_firmware_waking_vector64(u64 physical_address);
+
+acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg);
+
+acpi_status acpi_write(u32 value, struct acpi_generic_address *reg);
 
 acpi_status
 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
@@ -340,4 +374,42 @@
 
 acpi_status acpi_leave_sleep_state(u8 sleep_state);
 
+/*
+ * Debug output
+ */
+void ACPI_INTERNAL_VAR_XFACE
+acpi_error(const char *module_name,
+	   u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
+
+void ACPI_INTERNAL_VAR_XFACE
+acpi_exception(const char *module_name,
+	       u32 line_number,
+	       acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);
+
+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);
+
+#ifdef ACPI_DEBUG_OUTPUT
+
+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, ...) ACPI_PRINTF_LIKE(6);
+#endif
+
 #endif				/* __ACXFACE_H__ */
diff --git a/include/acpi/acrestyp.h b/include/acpi/acrestyp.h
new file mode 100644
index 0000000..9ffe00f
--- /dev/null
+++ b/include/acpi/acrestyp.h
@@ -0,0 +1,405 @@
+/******************************************************************************
+ *
+ * Name: acrestyp.h - Defines, types, and structures for resource descriptors
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACRESTYP_H__
+#define __ACRESTYP_H__
+
+/*
+ * Definitions for Resource Attributes
+ */
+typedef u16 acpi_rs_length;	/* Resource Length field is fixed at 16 bits */
+typedef u32 acpi_rsdesc_size;	/* Max Resource Descriptor size is (Length+3) = (64_k-1)+3 */
+
+/*
+ * Memory Attributes
+ */
+#define ACPI_READ_ONLY_MEMORY           (u8) 0x00
+#define ACPI_READ_WRITE_MEMORY          (u8) 0x01
+
+#define ACPI_NON_CACHEABLE_MEMORY       (u8) 0x00
+#define ACPI_CACHABLE_MEMORY            (u8) 0x01
+#define ACPI_WRITE_COMBINING_MEMORY     (u8) 0x02
+#define ACPI_PREFETCHABLE_MEMORY        (u8) 0x03
+
+/*
+ * IO Attributes
+ * The ISA IO ranges are:     n000-n0_fFh, n400-n4_fFh, n800-n8_fFh, n_c00-n_cFFh.
+ * The non-ISA IO ranges are: n100-n3_fFh, n500-n7_fFh, n900-n_bFFh, n_cd0-n_fFFh.
+ */
+#define ACPI_NON_ISA_ONLY_RANGES        (u8) 0x01
+#define ACPI_ISA_ONLY_RANGES            (u8) 0x02
+#define ACPI_ENTIRE_RANGE               (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
+
+/* Type of translation - 1=Sparse, 0=Dense */
+
+#define ACPI_SPARSE_TRANSLATION         (u8) 0x01
+
+/*
+ * IO Port Descriptor Decode
+ */
+#define ACPI_DECODE_10                  (u8) 0x00	/* 10-bit IO address decode */
+#define ACPI_DECODE_16                  (u8) 0x01	/* 16-bit IO address decode */
+
+/*
+ * IRQ Attributes
+ */
+#define ACPI_LEVEL_SENSITIVE            (u8) 0x00
+#define ACPI_EDGE_SENSITIVE             (u8) 0x01
+
+#define ACPI_ACTIVE_HIGH                (u8) 0x00
+#define ACPI_ACTIVE_LOW                 (u8) 0x01
+
+#define ACPI_EXCLUSIVE                  (u8) 0x00
+#define ACPI_SHARED                     (u8) 0x01
+
+/*
+ * DMA Attributes
+ */
+#define ACPI_COMPATIBILITY              (u8) 0x00
+#define ACPI_TYPE_A                     (u8) 0x01
+#define ACPI_TYPE_B                     (u8) 0x02
+#define ACPI_TYPE_F                     (u8) 0x03
+
+#define ACPI_NOT_BUS_MASTER             (u8) 0x00
+#define ACPI_BUS_MASTER                 (u8) 0x01
+
+#define ACPI_TRANSFER_8                 (u8) 0x00
+#define ACPI_TRANSFER_8_16              (u8) 0x01
+#define ACPI_TRANSFER_16                (u8) 0x02
+
+/*
+ * Start Dependent Functions Priority definitions
+ */
+#define ACPI_GOOD_CONFIGURATION         (u8) 0x00
+#define ACPI_ACCEPTABLE_CONFIGURATION   (u8) 0x01
+#define ACPI_SUB_OPTIMAL_CONFIGURATION  (u8) 0x02
+
+/*
+ * 16, 32 and 64-bit Address Descriptor resource types
+ */
+#define ACPI_MEMORY_RANGE               (u8) 0x00
+#define ACPI_IO_RANGE                   (u8) 0x01
+#define ACPI_BUS_NUMBER_RANGE           (u8) 0x02
+
+#define ACPI_ADDRESS_NOT_FIXED          (u8) 0x00
+#define ACPI_ADDRESS_FIXED              (u8) 0x01
+
+#define ACPI_POS_DECODE                 (u8) 0x00
+#define ACPI_SUB_DECODE                 (u8) 0x01
+
+#define ACPI_PRODUCER                   (u8) 0x00
+#define ACPI_CONSUMER                   (u8) 0x01
+
+/*
+ * If possible, pack the following structures to byte alignment
+ */
+#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+#pragma pack(1)
+#endif
+
+/* UUID data structures for use in vendor-defined resource descriptors */
+
+struct acpi_uuid {
+	u8 data[ACPI_UUID_LENGTH];
+};
+
+struct acpi_vendor_uuid {
+	u8 subtype;
+	u8 data[ACPI_UUID_LENGTH];
+};
+
+/*
+ * Structures used to describe device resources
+ */
+struct acpi_resource_irq {
+	u8 descriptor_length;
+	u8 triggering;
+	u8 polarity;
+	u8 sharable;
+	u8 interrupt_count;
+	u8 interrupts[1];
+};
+
+struct acpi_resource_dma {
+	u8 type;
+	u8 bus_master;
+	u8 transfer;
+	u8 channel_count;
+	u8 channels[1];
+};
+
+struct acpi_resource_start_dependent {
+	u8 descriptor_length;
+	u8 compatibility_priority;
+	u8 performance_robustness;
+};
+
+/*
+ * The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
+ * needed because it has no fields
+ */
+
+struct acpi_resource_io {
+	u8 io_decode;
+	u8 alignment;
+	u8 address_length;
+	u16 minimum;
+	u16 maximum;
+};
+
+struct acpi_resource_fixed_io {
+	u16 address;
+	u8 address_length;
+};
+
+struct acpi_resource_vendor {
+	u16 byte_length;
+	u8 byte_data[1];
+};
+
+/* Vendor resource with UUID info (introduced in ACPI 3.0) */
+
+struct acpi_resource_vendor_typed {
+	u16 byte_length;
+	u8 uuid_subtype;
+	u8 uuid[ACPI_UUID_LENGTH];
+	u8 byte_data[1];
+};
+
+struct acpi_resource_end_tag {
+	u8 checksum;
+};
+
+struct acpi_resource_memory24 {
+	u8 write_protect;
+	u16 minimum;
+	u16 maximum;
+	u16 alignment;
+	u16 address_length;
+};
+
+struct acpi_resource_memory32 {
+	u8 write_protect;
+	u32 minimum;
+	u32 maximum;
+	u32 alignment;
+	u32 address_length;
+};
+
+struct acpi_resource_fixed_memory32 {
+	u8 write_protect;
+	u32 address;
+	u32 address_length;
+};
+
+struct acpi_memory_attribute {
+	u8 write_protect;
+	u8 caching;
+	u8 range_type;
+	u8 translation;
+};
+
+struct acpi_io_attribute {
+	u8 range_type;
+	u8 translation;
+	u8 translation_type;
+	u8 reserved1;
+};
+
+union acpi_resource_attribute {
+	struct acpi_memory_attribute mem;
+	struct acpi_io_attribute io;
+
+	/* Used for the *word_space macros */
+
+	u8 type_specific;
+};
+
+struct acpi_resource_source {
+	u8 index;
+	u16 string_length;
+	char *string_ptr;
+};
+
+/* Fields common to all address descriptors, 16/32/64 bit */
+
+#define ACPI_RESOURCE_ADDRESS_COMMON \
+	u8                                      resource_type; \
+	u8                                      producer_consumer; \
+	u8                                      decode; \
+	u8                                      min_address_fixed; \
+	u8                                      max_address_fixed; \
+	union acpi_resource_attribute           info;
+
+struct acpi_resource_address {
+ACPI_RESOURCE_ADDRESS_COMMON};
+
+struct acpi_resource_address16 {
+	ACPI_RESOURCE_ADDRESS_COMMON u16 granularity;
+	u16 minimum;
+	u16 maximum;
+	u16 translation_offset;
+	u16 address_length;
+	struct acpi_resource_source resource_source;
+};
+
+struct acpi_resource_address32 {
+	ACPI_RESOURCE_ADDRESS_COMMON u32 granularity;
+	u32 minimum;
+	u32 maximum;
+	u32 translation_offset;
+	u32 address_length;
+	struct acpi_resource_source resource_source;
+};
+
+struct acpi_resource_address64 {
+	ACPI_RESOURCE_ADDRESS_COMMON u64 granularity;
+	u64 minimum;
+	u64 maximum;
+	u64 translation_offset;
+	u64 address_length;
+	struct acpi_resource_source resource_source;
+};
+
+struct acpi_resource_extended_address64 {
+	ACPI_RESOURCE_ADDRESS_COMMON u8 revision_iD;
+	u64 granularity;
+	u64 minimum;
+	u64 maximum;
+	u64 translation_offset;
+	u64 address_length;
+	u64 type_specific;
+};
+
+struct acpi_resource_extended_irq {
+	u8 producer_consumer;
+	u8 triggering;
+	u8 polarity;
+	u8 sharable;
+	u8 interrupt_count;
+	struct acpi_resource_source resource_source;
+	u32 interrupts[1];
+};
+
+struct acpi_resource_generic_register {
+	u8 space_id;
+	u8 bit_width;
+	u8 bit_offset;
+	u8 access_size;
+	u64 address;
+};
+
+/* ACPI_RESOURCE_TYPEs */
+
+#define ACPI_RESOURCE_TYPE_IRQ                  0
+#define ACPI_RESOURCE_TYPE_DMA                  1
+#define ACPI_RESOURCE_TYPE_START_DEPENDENT      2
+#define ACPI_RESOURCE_TYPE_END_DEPENDENT        3
+#define ACPI_RESOURCE_TYPE_IO                   4
+#define ACPI_RESOURCE_TYPE_FIXED_IO             5
+#define ACPI_RESOURCE_TYPE_VENDOR               6
+#define ACPI_RESOURCE_TYPE_END_TAG              7
+#define ACPI_RESOURCE_TYPE_MEMORY24             8
+#define ACPI_RESOURCE_TYPE_MEMORY32             9
+#define ACPI_RESOURCE_TYPE_FIXED_MEMORY32       10
+#define ACPI_RESOURCE_TYPE_ADDRESS16            11
+#define ACPI_RESOURCE_TYPE_ADDRESS32            12
+#define ACPI_RESOURCE_TYPE_ADDRESS64            13
+#define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14	/* ACPI 3.0 */
+#define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
+#define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
+#define ACPI_RESOURCE_TYPE_MAX                  16
+
+/* Master union for resource descriptors */
+
+union acpi_resource_data {
+	struct acpi_resource_irq irq;
+	struct acpi_resource_dma dma;
+	struct acpi_resource_start_dependent start_dpf;
+	struct acpi_resource_io io;
+	struct acpi_resource_fixed_io fixed_io;
+	struct acpi_resource_vendor vendor;
+	struct acpi_resource_vendor_typed vendor_typed;
+	struct acpi_resource_end_tag end_tag;
+	struct acpi_resource_memory24 memory24;
+	struct acpi_resource_memory32 memory32;
+	struct acpi_resource_fixed_memory32 fixed_memory32;
+	struct acpi_resource_address16 address16;
+	struct acpi_resource_address32 address32;
+	struct acpi_resource_address64 address64;
+	struct acpi_resource_extended_address64 ext_address64;
+	struct acpi_resource_extended_irq extended_irq;
+	struct acpi_resource_generic_register generic_reg;
+
+	/* Common fields */
+
+	struct acpi_resource_address address;	/* Common 16/32/64 address fields */
+};
+
+/* Common resource header */
+
+struct acpi_resource {
+	u32 type;
+	u32 length;
+	union acpi_resource_data data;
+};
+
+/* restore default alignment */
+
+#pragma pack()
+
+#define ACPI_RS_SIZE_NO_DATA                8	/* Id + Length fields */
+#define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
+#define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
+
+#define ACPI_NEXT_RESOURCE(res)             (struct acpi_resource *)((u8 *) res + res->length)
+
+struct acpi_pci_routing_table {
+	u32 length;
+	u32 pin;
+	acpi_integer address;	/* here for 64-bit alignment */
+	u32 source_index;
+	char source[4];		/* pad to 64 bits so sizeof() works in all cases */
+};
+
+#endif				/* __ACRESTYP_H__ */
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 13a3d9a..813e4b6 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -288,6 +288,31 @@
 
 #define ACPI_FADT_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_fadt, f)
 
+union acpi_name_union {
+	u32 integer;
+	char ascii[4];
+};
+
+/*
+ * Internal ACPI Table Descriptor. One per ACPI table
+ */
+struct acpi_table_desc {
+	acpi_physical_address address;
+	struct acpi_table_header *pointer;
+	u32 length;		/* Length fixed at 32 bits */
+	union acpi_name_union signature;
+	acpi_owner_id owner_id;
+	u8 flags;
+};
+
+/* Flags for above */
+
+#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
+#define ACPI_TABLE_ORIGIN_MAPPED        (1)
+#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
+#define ACPI_TABLE_ORIGIN_MASK          (3)
+#define ACPI_TABLE_IS_LOADED            (4)
+
 /*
  * Get the remaining ACPI tables
  */
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 63f5b4c..18963b9 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -627,7 +627,7 @@
 	u32 uncorrectable_error_mask;
 	u32 uncorrectable_error_severity;
 	u32 correctable_error_mask;
-	u32 advanced_error_cababilities;
+	u32 advanced_error_capabilities;
 };
 
 /* Hardware Error Notification */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 8222e8d..a20aab5 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -204,11 +204,10 @@
 
 /*******************************************************************************
  *
- * OS-dependent and compiler-dependent types
+ * OS-dependent types
  *
  * If the defaults below are not appropriate for the host system, they can
- * be defined in the compiler-specific or OS-specific header, and this will
- * take precedence.
+ * be defined in the OS-specific header, and this will take precedence.
  *
  ******************************************************************************/
 
@@ -218,12 +217,6 @@
 #define acpi_thread_id			acpi_size
 #endif
 
-/* Object returned from acpi_os_create_lock */
-
-#ifndef acpi_spinlock
-#define acpi_spinlock                   void *
-#endif
-
 /* Flags for acpi_os_acquire_lock/acpi_os_release_lock */
 
 #ifndef acpi_cpu_flags
@@ -233,8 +226,50 @@
 /* Object returned from acpi_os_create_cache */
 
 #ifndef acpi_cache_t
+#ifdef ACPI_USE_LOCAL_CACHE
 #define acpi_cache_t                    struct acpi_memory_list
+#else
+#define acpi_cache_t                    void *
 #endif
+#endif
+
+/*
+ * Synchronization objects - Mutexes, Semaphores, and spin_locks
+ */
+#if (ACPI_MUTEX_TYPE == ACPI_BINARY_SEMAPHORE)
+/*
+ * These macros are used if the host OS does not support a mutex object.
+ * Map the OSL Mutex interfaces to binary semaphores.
+ */
+#define acpi_mutex                      acpi_semaphore
+#define acpi_os_create_mutex(out_handle) acpi_os_create_semaphore (1, 1, out_handle)
+#define acpi_os_delete_mutex(handle)    (void) acpi_os_delete_semaphore (handle)
+#define acpi_os_acquire_mutex(handle,time) acpi_os_wait_semaphore (handle, 1, time)
+#define acpi_os_release_mutex(handle)   (void) acpi_os_signal_semaphore (handle, 1)
+#endif
+
+/* Configurable types for synchronization objects */
+
+#ifndef acpi_spinlock
+#define acpi_spinlock                   void *
+#endif
+
+#ifndef acpi_semaphore
+#define acpi_semaphore                  void *
+#endif
+
+#ifndef acpi_mutex
+#define acpi_mutex                      void *
+#endif
+
+/*******************************************************************************
+ *
+ * Compiler-dependent types
+ *
+ * If the defaults below are not appropriate for the host compiler, they can
+ * be defined in the compiler-specific header, and this will take precedence.
+ *
+ ******************************************************************************/
 
 /* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */
 
@@ -268,6 +303,43 @@
 #define ACPI_EXPORT_SYMBOL(symbol)
 #endif
 
+/******************************************************************************
+ *
+ * ACPI Specification constants (Do not change unless the specification changes)
+ *
+ *****************************************************************************/
+
+/* Number of distinct FADT-based GPE register blocks (GPE0 and GPE1) */
+
+#define ACPI_MAX_GPE_BLOCKS             2
+
+/* Default ACPI register widths */
+
+#define ACPI_GPE_REGISTER_WIDTH         8
+#define ACPI_PM1_REGISTER_WIDTH         16
+#define ACPI_PM2_REGISTER_WIDTH         8
+#define ACPI_PM_TIMER_WIDTH             32
+
+/* Names within the namespace are 4 bytes long */
+
+#define ACPI_NAME_SIZE                  4
+#define ACPI_PATH_SEGMENT_LENGTH        5	/* 4 chars for name + 1 char for separator */
+#define ACPI_PATH_SEPARATOR             '.'
+
+/* Sizes for ACPI table headers */
+
+#define ACPI_OEM_ID_SIZE                6
+#define ACPI_OEM_TABLE_ID_SIZE          8
+
+/* ACPI/PNP hardware IDs */
+
+#define PCI_ROOT_HID_STRING             "PNP0A03"
+#define PCI_EXPRESS_ROOT_HID_STRING     "PNP0A08"
+
+/* PM Timer ticks per second (HZ) */
+
+#define PM_TIMER_FREQUENCY  3579545
+
 /*******************************************************************************
  *
  * Independent types
@@ -291,13 +363,18 @@
 #endif
 
 /*
- * Mescellaneous types
+ * Miscellaneous types
  */
 typedef u32 acpi_status;	/* All ACPI Exceptions */
 typedef u32 acpi_name;		/* 4-byte ACPI name */
 typedef char *acpi_string;	/* Null terminated ASCII string */
 typedef void *acpi_handle;	/* Actually a ptr to a NS Node */
 
+/* Owner IDs are used to track namespace nodes for selective deletion */
+
+typedef u8 acpi_owner_id;
+#define ACPI_OWNER_ID_MAX               0xFF
+
 struct uint64_struct {
 	u32 lo;
 	u32 hi;
@@ -313,13 +390,8 @@
 	u32 hi;
 };
 
-/* Synchronization objects */
-
-#define acpi_mutex                      void *
-#define acpi_semaphore                  void *
-
 /*
- * Acpi integer width. In ACPI version 1, integers are 32 bits.  In ACPI
+ * Acpi integer width. In ACPI version 1, integers are 32 bits. In ACPI
  * version 2, integers are 64 bits. Note that this pertains to the ACPI integer
  * type only, not other integers used in the implementation of the ACPI CA
  * subsystem.
@@ -338,10 +410,75 @@
 #define ACPI_MAX16_DECIMAL_DIGITS        5
 #define ACPI_MAX8_DECIMAL_DIGITS         3
 
+/* PM Timer ticks per second (HZ) */
+
+#define PM_TIMER_FREQUENCY  3579545
+
 /*
  * Constants with special meanings
  */
 #define ACPI_ROOT_OBJECT                ACPI_ADD_PTR (acpi_handle, NULL, ACPI_MAX_PTR)
+#define ACPI_WAIT_FOREVER               0xFFFF	/* u16, as per ACPI spec */
+#define ACPI_DO_NOT_WAIT                0
+
+/*******************************************************************************
+ *
+ * Commonly used macros
+ *
+ ******************************************************************************/
+
+/* Data manipulation */
+
+#define ACPI_LOWORD(l)                  ((u16)(u32)(l))
+#define ACPI_HIWORD(l)                  ((u16)((((u32)(l)) >> 16) & 0xFFFF))
+#define ACPI_LOBYTE(l)                  ((u8)(u16)(l))
+#define ACPI_HIBYTE(l)                  ((u8)((((u16)(l)) >> 8) & 0xFF))
+
+/* Full 64-bit integer must be available on both 32-bit and 64-bit platforms */
+
+struct acpi_integer_overlay {
+	u32 lo_dword;
+	u32 hi_dword;
+};
+
+#define ACPI_LODWORD(integer)           (ACPI_CAST_PTR (struct acpi_integer_overlay, &integer)->lo_dword)
+#define ACPI_HIDWORD(integer)           (ACPI_CAST_PTR (struct acpi_integer_overlay, &integer)->hi_dword)
+
+#define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
+#define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
+#define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))
+#define ACPI_MAX(a,b)                   (((a)>(b))?(a):(b))
+
+/* Size calculation */
+
+#define ACPI_ARRAY_LENGTH(x)            (sizeof(x) / sizeof((x)[0]))
+
+/* Pointer manipulation */
+
+#define ACPI_CAST_PTR(t, p)             ((t *) (acpi_uintptr_t) (p))
+#define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **) (acpi_uintptr_t) (p))
+#define ACPI_ADD_PTR(t, a, b)           ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8, (a)) + (acpi_size)(b)))
+#define ACPI_PTR_DIFF(a, b)             (acpi_size) (ACPI_CAST_PTR (u8, (a)) - ACPI_CAST_PTR (u8, (b)))
+
+/* Pointer/Integer type conversions */
+
+#define ACPI_TO_POINTER(i)              ACPI_ADD_PTR (void, (void *) NULL,(acpi_size) i)
+#define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p, (void *) NULL)
+#define ACPI_OFFSET(d, f)               (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f), (void *) NULL)
+#define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
+#define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
+
+#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+#define ACPI_COMPARE_NAME(a,b)          (*ACPI_CAST_PTR (u32, (a)) == *ACPI_CAST_PTR (u32, (b)))
+#else
+#define ACPI_COMPARE_NAME(a,b)          (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAME_SIZE))
+#endif
+
+/*******************************************************************************
+ *
+ * Miscellaneous constants
+ *
+ ******************************************************************************/
 
 /*
  * Initialization sequence
@@ -414,7 +551,7 @@
 #define ACPI_NOTIFY_MAX                 0x0B
 
 /*
- * Types associated with ACPI names and objects.  The first group of
+ * Types associated with ACPI names and objects. The first group of
  * values (up to ACPI_TYPE_EXTERNAL_MAX) correspond to the definition
  * of the ACPI object_type() operator (See the ACPI Spec). Therefore,
  * only add to the first group if the spec changes.
@@ -732,6 +869,15 @@
 #define ACPI_NAME_TYPE_MAX              1
 
 /*
+ * Predefined Namespace items
+ */
+struct acpi_predefined_names {
+	char *name;
+	u8 type;
+	char *val;
+};
+
+/*
  * Structure and flags for acpi_get_system_info
  */
 #define ACPI_SYS_MODE_UNKNOWN           0x0000
@@ -787,7 +933,7 @@
 				      u16 opcode,
 				      u32 aml_offset, void *context);
 
-/* Table Event handler (Load, load_table etc) and types */
+/* Table Event handler (Load, load_table, etc.) and types */
 
 typedef
 acpi_status(*acpi_tbl_handler) (u32 event, void *table, void *context);
@@ -823,6 +969,12 @@
 #define ACPI_INTERRUPT_NOT_HANDLED      0x00
 #define ACPI_INTERRUPT_HANDLED          0x01
 
+/* Length of _HID, _UID, _CID, and UUID values */
+
+#define ACPI_DEVICE_ID_LENGTH           0x09
+#define ACPI_MAX_CID_LENGTH             48
+#define ACPI_UUID_LENGTH                16
+
 /* Common string version of device HIDs and UIDs */
 
 struct acpica_device_id {
@@ -900,357 +1052,28 @@
 };
 
 /*
- * Definitions for Resource Attributes
+ * struct acpi_memory_list is used only if the ACPICA local cache is enabled
  */
-typedef u16 acpi_rs_length;	/* Resource Length field is fixed at 16 bits */
-typedef u32 acpi_rsdesc_size;	/* Max Resource Descriptor size is (Length+3) = (64_k-1)+3 */
+struct acpi_memory_list {
+	char *list_name;
+	void *list_head;
+	u16 object_size;
+	u16 max_depth;
+	u16 current_depth;
+	u16 link_offset;
 
-/*
- *  Memory Attributes
- */
-#define ACPI_READ_ONLY_MEMORY           (u8) 0x00
-#define ACPI_READ_WRITE_MEMORY          (u8) 0x01
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
 
-#define ACPI_NON_CACHEABLE_MEMORY       (u8) 0x00
-#define ACPI_CACHABLE_MEMORY            (u8) 0x01
-#define ACPI_WRITE_COMBINING_MEMORY     (u8) 0x02
-#define ACPI_PREFETCHABLE_MEMORY        (u8) 0x03
+	/* Statistics for debug memory tracking only */
 
-/*
- *  IO Attributes
- *  The ISA IO ranges are:     n000-n0_fFh, n400-n4_fFh, n800-n8_fFh, n_c00-n_cFFh.
- *  The non-ISA IO ranges are: n100-n3_fFh, n500-n7_fFh, n900-n_bFFh, n_cd0-n_fFFh.
- */
-#define ACPI_NON_ISA_ONLY_RANGES        (u8) 0x01
-#define ACPI_ISA_ONLY_RANGES            (u8) 0x02
-#define ACPI_ENTIRE_RANGE               (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
-
-/* Type of translation - 1=Sparse, 0=Dense */
-
-#define ACPI_SPARSE_TRANSLATION         (u8) 0x01
-
-/*
- *  IO Port Descriptor Decode
- */
-#define ACPI_DECODE_10                  (u8) 0x00	/* 10-bit IO address decode */
-#define ACPI_DECODE_16                  (u8) 0x01	/* 16-bit IO address decode */
-
-/*
- *  IRQ Attributes
- */
-#define ACPI_LEVEL_SENSITIVE            (u8) 0x00
-#define ACPI_EDGE_SENSITIVE             (u8) 0x01
-
-#define ACPI_ACTIVE_HIGH                (u8) 0x00
-#define ACPI_ACTIVE_LOW                 (u8) 0x01
-
-#define ACPI_EXCLUSIVE                  (u8) 0x00
-#define ACPI_SHARED                     (u8) 0x01
-
-/*
- *  DMA Attributes
- */
-#define ACPI_COMPATIBILITY              (u8) 0x00
-#define ACPI_TYPE_A                     (u8) 0x01
-#define ACPI_TYPE_B                     (u8) 0x02
-#define ACPI_TYPE_F                     (u8) 0x03
-
-#define ACPI_NOT_BUS_MASTER             (u8) 0x00
-#define ACPI_BUS_MASTER                 (u8) 0x01
-
-#define ACPI_TRANSFER_8                 (u8) 0x00
-#define ACPI_TRANSFER_8_16              (u8) 0x01
-#define ACPI_TRANSFER_16                (u8) 0x02
-
-/*
- * Start Dependent Functions Priority definitions
- */
-#define ACPI_GOOD_CONFIGURATION         (u8) 0x00
-#define ACPI_ACCEPTABLE_CONFIGURATION   (u8) 0x01
-#define ACPI_SUB_OPTIMAL_CONFIGURATION  (u8) 0x02
-
-/*
- *  16, 32 and 64-bit Address Descriptor resource types
- */
-#define ACPI_MEMORY_RANGE               (u8) 0x00
-#define ACPI_IO_RANGE                   (u8) 0x01
-#define ACPI_BUS_NUMBER_RANGE           (u8) 0x02
-
-#define ACPI_ADDRESS_NOT_FIXED          (u8) 0x00
-#define ACPI_ADDRESS_FIXED              (u8) 0x01
-
-#define ACPI_POS_DECODE                 (u8) 0x00
-#define ACPI_SUB_DECODE                 (u8) 0x01
-
-#define ACPI_PRODUCER                   (u8) 0x00
-#define ACPI_CONSUMER                   (u8) 0x01
-
-/*
- * If possible, pack the following structures to byte alignment
- */
-#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
-#pragma pack(1)
+	u32 total_allocated;
+	u32 total_freed;
+	u32 max_occupied;
+	u32 total_size;
+	u32 current_total_size;
+	u32 requests;
+	u32 hits;
 #endif
-
-/* UUID data structures for use in vendor-defined resource descriptors */
-
-struct acpi_uuid {
-	u8 data[ACPI_UUID_LENGTH];
-};
-
-struct acpi_vendor_uuid {
-	u8 subtype;
-	u8 data[ACPI_UUID_LENGTH];
-};
-
-/*
- *  Structures used to describe device resources
- */
-struct acpi_resource_irq {
-	u8 descriptor_length;
-	u8 triggering;
-	u8 polarity;
-	u8 sharable;
-	u8 interrupt_count;
-	u8 interrupts[1];
-};
-
-struct acpi_resource_dma {
-	u8 type;
-	u8 bus_master;
-	u8 transfer;
-	u8 channel_count;
-	u8 channels[1];
-};
-
-struct acpi_resource_start_dependent {
-	u8 descriptor_length;
-	u8 compatibility_priority;
-	u8 performance_robustness;
-};
-
-/*
- * END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
- * needed because it has no fields
- */
-
-struct acpi_resource_io {
-	u8 io_decode;
-	u8 alignment;
-	u8 address_length;
-	u16 minimum;
-	u16 maximum;
-};
-
-struct acpi_resource_fixed_io {
-	u16 address;
-	u8 address_length;
-};
-
-struct acpi_resource_vendor {
-	u16 byte_length;
-	u8 byte_data[1];
-};
-
-/* Vendor resource with UUID info (introduced in ACPI 3.0) */
-
-struct acpi_resource_vendor_typed {
-	u16 byte_length;
-	u8 uuid_subtype;
-	u8 uuid[ACPI_UUID_LENGTH];
-	u8 byte_data[1];
-};
-
-struct acpi_resource_end_tag {
-	u8 checksum;
-};
-
-struct acpi_resource_memory24 {
-	u8 write_protect;
-	u16 minimum;
-	u16 maximum;
-	u16 alignment;
-	u16 address_length;
-};
-
-struct acpi_resource_memory32 {
-	u8 write_protect;
-	u32 minimum;
-	u32 maximum;
-	u32 alignment;
-	u32 address_length;
-};
-
-struct acpi_resource_fixed_memory32 {
-	u8 write_protect;
-	u32 address;
-	u32 address_length;
-};
-
-struct acpi_memory_attribute {
-	u8 write_protect;
-	u8 caching;
-	u8 range_type;
-	u8 translation;
-};
-
-struct acpi_io_attribute {
-	u8 range_type;
-	u8 translation;
-	u8 translation_type;
-	u8 reserved1;
-};
-
-union acpi_resource_attribute {
-	struct acpi_memory_attribute mem;
-	struct acpi_io_attribute io;
-
-	/* Used for the *word_space macros */
-
-	u8 type_specific;
-};
-
-struct acpi_resource_source {
-	u8 index;
-	u16 string_length;
-	char *string_ptr;
-};
-
-/* Fields common to all address descriptors, 16/32/64 bit */
-
-#define ACPI_RESOURCE_ADDRESS_COMMON \
-	u8                              resource_type; \
-	u8                              producer_consumer; \
-	u8                              decode; \
-	u8                              min_address_fixed; \
-	u8                              max_address_fixed; \
-	union acpi_resource_attribute   info;
-
-struct acpi_resource_address {
-ACPI_RESOURCE_ADDRESS_COMMON};
-
-struct acpi_resource_address16 {
-	ACPI_RESOURCE_ADDRESS_COMMON u16 granularity;
-	u16 minimum;
-	u16 maximum;
-	u16 translation_offset;
-	u16 address_length;
-	struct acpi_resource_source resource_source;
-};
-
-struct acpi_resource_address32 {
-	ACPI_RESOURCE_ADDRESS_COMMON u32 granularity;
-	u32 minimum;
-	u32 maximum;
-	u32 translation_offset;
-	u32 address_length;
-	struct acpi_resource_source resource_source;
-};
-
-struct acpi_resource_address64 {
-	ACPI_RESOURCE_ADDRESS_COMMON u64 granularity;
-	u64 minimum;
-	u64 maximum;
-	u64 translation_offset;
-	u64 address_length;
-	struct acpi_resource_source resource_source;
-};
-
-struct acpi_resource_extended_address64 {
-	ACPI_RESOURCE_ADDRESS_COMMON u8 revision_iD;
-	u64 granularity;
-	u64 minimum;
-	u64 maximum;
-	u64 translation_offset;
-	u64 address_length;
-	u64 type_specific;
-};
-
-struct acpi_resource_extended_irq {
-	u8 producer_consumer;
-	u8 triggering;
-	u8 polarity;
-	u8 sharable;
-	u8 interrupt_count;
-	struct acpi_resource_source resource_source;
-	u32 interrupts[1];
-};
-
-struct acpi_resource_generic_register {
-	u8 space_id;
-	u8 bit_width;
-	u8 bit_offset;
-	u8 access_size;
-	u64 address;
-};
-
-/* ACPI_RESOURCE_TYPEs */
-
-#define ACPI_RESOURCE_TYPE_IRQ                  0
-#define ACPI_RESOURCE_TYPE_DMA                  1
-#define ACPI_RESOURCE_TYPE_START_DEPENDENT      2
-#define ACPI_RESOURCE_TYPE_END_DEPENDENT        3
-#define ACPI_RESOURCE_TYPE_IO                   4
-#define ACPI_RESOURCE_TYPE_FIXED_IO             5
-#define ACPI_RESOURCE_TYPE_VENDOR               6
-#define ACPI_RESOURCE_TYPE_END_TAG              7
-#define ACPI_RESOURCE_TYPE_MEMORY24             8
-#define ACPI_RESOURCE_TYPE_MEMORY32             9
-#define ACPI_RESOURCE_TYPE_FIXED_MEMORY32       10
-#define ACPI_RESOURCE_TYPE_ADDRESS16            11
-#define ACPI_RESOURCE_TYPE_ADDRESS32            12
-#define ACPI_RESOURCE_TYPE_ADDRESS64            13
-#define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64   14	/* ACPI 3.0 */
-#define ACPI_RESOURCE_TYPE_EXTENDED_IRQ         15
-#define ACPI_RESOURCE_TYPE_GENERIC_REGISTER     16
-#define ACPI_RESOURCE_TYPE_MAX                  16
-
-union acpi_resource_data {
-	struct acpi_resource_irq irq;
-	struct acpi_resource_dma dma;
-	struct acpi_resource_start_dependent start_dpf;
-	struct acpi_resource_io io;
-	struct acpi_resource_fixed_io fixed_io;
-	struct acpi_resource_vendor vendor;
-	struct acpi_resource_vendor_typed vendor_typed;
-	struct acpi_resource_end_tag end_tag;
-	struct acpi_resource_memory24 memory24;
-	struct acpi_resource_memory32 memory32;
-	struct acpi_resource_fixed_memory32 fixed_memory32;
-	struct acpi_resource_address16 address16;
-	struct acpi_resource_address32 address32;
-	struct acpi_resource_address64 address64;
-	struct acpi_resource_extended_address64 ext_address64;
-	struct acpi_resource_extended_irq extended_irq;
-	struct acpi_resource_generic_register generic_reg;
-
-	/* Common fields */
-
-	struct acpi_resource_address address;	/* Common 16/32/64 address fields */
-};
-
-struct acpi_resource {
-	u32 type;
-	u32 length;
-	union acpi_resource_data data;
-};
-
-/* restore default alignment */
-
-#pragma pack()
-
-#define ACPI_RS_SIZE_NO_DATA                8	/* Id + Length fields */
-#define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
-#define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
-
-#define ACPI_NEXT_RESOURCE(res)             (struct acpi_resource *)((u8 *) res + res->length)
-
-struct acpi_pci_routing_table {
-	u32 length;
-	u32 pin;
-	acpi_integer address;	/* here for 64-bit alignment */
-	u32 source_index;
-	char source[4];		/* pad to 64 bits so sizeof() works in all cases */
 };
 
 #endif				/* __ACTYPES_H__ */
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index fcd2572..e62f10d 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -44,14 +44,26 @@
 #ifndef __ACENV_H__
 #define __ACENV_H__
 
-/*
+/* Types for ACPI_MUTEX_TYPE */
+
+#define ACPI_BINARY_SEMAPHORE       0
+#define ACPI_OSL_MUTEX              1
+
+/* Types for DEBUGGER_THREADING */
+
+#define DEBUGGER_SINGLE_THREADED    0
+#define DEBUGGER_MULTI_THREADED     1
+
+/******************************************************************************
+ *
  * Configuration for ACPI tools and utilities
- */
+ *
+ *****************************************************************************/
 
 #ifdef ACPI_LIBRARY
 /*
  * Note: The non-debug version of the acpi_library does not contain any
- * debug support, for minimimal size. The debug version uses ACPI_FULL_DEBUG
+ * debug support, for minimal size. The debug version uses ACPI_FULL_DEBUG
  */
 #define ACPI_USE_LOCAL_CACHE
 #endif
@@ -75,17 +87,6 @@
 #define ACPI_DBG_TRACK_ALLOCATIONS
 #endif
 
-#ifdef ACPI_DASM_APP
-#ifndef MSDOS
-#define ACPI_DEBUG_OUTPUT
-#endif
-#define ACPI_APPLICATION
-#define ACPI_DISASSEMBLER
-#define ACPI_NO_METHOD_EXECUTION
-#define ACPI_LARGE_NAMESPACE_NODE
-#define ACPI_DATA_TABLE_DISASSEMBLY
-#endif
-
 #ifdef ACPI_APPLICATION
 #define ACPI_USE_SYSTEM_CLIBRARY
 #define ACPI_USE_LOCAL_CACHE
@@ -179,6 +180,19 @@
 
 /*! [End] no source code translation !*/
 
+/******************************************************************************
+ *
+ * Miscellaneous configuration
+ *
+ *****************************************************************************/
+
+/*
+ * Are mutexes supported by the host? default is no, use binary semaphores.
+ */
+#ifndef ACPI_MUTEX_TYPE
+#define ACPI_MUTEX_TYPE             ACPI_BINARY_SEMAPHORE
+#endif
+
 /*
  * Debugger threading model
  * Use single threaded if the entire subsystem is contained in an application
@@ -187,9 +201,6 @@
  * By default the model is single threaded if ACPI_APPLICATION is set,
  * multi-threaded if ACPI_APPLICATION is not set.
  */
-#define DEBUGGER_SINGLE_THREADED    0
-#define DEBUGGER_MULTI_THREADED     1
-
 #ifndef DEBUGGER_THREADING
 #ifdef ACPI_APPLICATION
 #define DEBUGGER_THREADING          DEBUGGER_SINGLE_THREADED
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 0515e75..3cabf88 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -46,6 +46,7 @@
 
 #define ACPI_USE_SYSTEM_CLIBRARY
 #define ACPI_USE_DO_WHILE_0
+#define ACPI_MUTEX_TYPE             ACPI_BINARY_SEMAPHORE
 
 #ifdef __KERNEL__
 
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index fba8051..dfa0a53 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -270,6 +270,7 @@
 #ifdef CONFIG_PM_SLEEP
 void __init acpi_no_s4_hw_signature(void);
 void __init acpi_old_suspend_ordering(void);
+void __init acpi_s4_no_nvs(void);
 #endif /* CONFIG_PM_SLEEP */
 #else	/* CONFIG_ACPI */
 
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index f7cc204..2099874 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -223,7 +223,6 @@
 #ifdef CONFIG_ACPI
 #include <acpi/acpi.h>
 #include <acpi/acpi_bus.h>
-#include <acpi/actypes.h>
 extern acpi_status acpi_get_hp_params_from_firmware(struct pci_bus *bus,
 				struct hotplug_params *hpp);
 int acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev, u32 flags);
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 2ce8207..2b409c4 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -232,6 +232,11 @@
 
 extern void hibernation_set_ops(struct platform_hibernation_ops *ops);
 extern int hibernate(void);
+extern int hibernate_nvs_register(unsigned long start, unsigned long size);
+extern int hibernate_nvs_alloc(void);
+extern void hibernate_nvs_free(void);
+extern void hibernate_nvs_save(void);
+extern void hibernate_nvs_restore(void);
 #else /* CONFIG_HIBERNATION */
 static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
 static inline void swsusp_set_page_free(struct page *p) {}
@@ -239,6 +244,14 @@
 
 static inline void hibernation_set_ops(struct platform_hibernation_ops *ops) {}
 static inline int hibernate(void) { return -ENOSYS; }
+static inline int hibernate_nvs_register(unsigned long a, unsigned long b)
+{
+	return 0;
+}
+static inline int hibernate_nvs_alloc(void) { return 0; }
+static inline void hibernate_nvs_free(void) {}
+static inline void hibernate_nvs_save(void) {}
+static inline void hibernate_nvs_restore(void) {}
 #endif /* CONFIG_HIBERNATION */
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index f77d381..45e8541 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -258,12 +258,12 @@
 {
 	int error;
 
-	/* Free memory before shutting down devices. */
-	error = swsusp_shrink_memory();
+	error = platform_begin(platform_mode);
 	if (error)
 		return error;
 
-	error = platform_begin(platform_mode);
+	/* Free memory before shutting down devices. */
+	error = swsusp_shrink_memory();
 	if (error)
 		goto Close;
 
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 5d2ab83..f5fc2d7 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -25,6 +25,7 @@
 #include <linux/syscalls.h>
 #include <linux/console.h>
 #include <linux/highmem.h>
+#include <linux/list.h>
 
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
@@ -192,12 +193,6 @@
 	return ret;
 }
 
-static void chain_free(struct chain_allocator *ca, int clear_page_nosave)
-{
-	free_list_of_pages(ca->chain, clear_page_nosave);
-	memset(ca, 0, sizeof(struct chain_allocator));
-}
-
 /**
  *	Data types related to memory bitmaps.
  *
@@ -233,7 +228,7 @@
 #define BM_BITS_PER_BLOCK	(PAGE_SIZE << 3)
 
 struct bm_block {
-	struct bm_block *next;		/* next element of the list */
+	struct list_head hook;	/* hook into a list of bitmap blocks */
 	unsigned long start_pfn;	/* pfn represented by the first bit */
 	unsigned long end_pfn;	/* pfn represented by the last bit plus 1 */
 	unsigned long *data;	/* bitmap representing pages */
@@ -244,24 +239,15 @@
 	return bb->end_pfn - bb->start_pfn;
 }
 
-struct zone_bitmap {
-	struct zone_bitmap *next;	/* next element of the list */
-	unsigned long start_pfn;	/* minimal pfn in this zone */
-	unsigned long end_pfn;		/* maximal pfn in this zone plus 1 */
-	struct bm_block *bm_blocks;	/* list of bitmap blocks */
-	struct bm_block *cur_block;	/* recently used bitmap block */
-};
-
 /* strcut bm_position is used for browsing memory bitmaps */
 
 struct bm_position {
-	struct zone_bitmap *zone_bm;
 	struct bm_block *block;
 	int bit;
 };
 
 struct memory_bitmap {
-	struct zone_bitmap *zone_bm_list;	/* list of zone bitmaps */
+	struct list_head blocks;	/* list of bitmap blocks */
 	struct linked_page *p_list;	/* list of pages used to store zone
 					 * bitmap objects and bitmap block
 					 * objects
@@ -273,11 +259,7 @@
 
 static void memory_bm_position_reset(struct memory_bitmap *bm)
 {
-	struct zone_bitmap *zone_bm;
-
-	zone_bm = bm->zone_bm_list;
-	bm->cur.zone_bm = zone_bm;
-	bm->cur.block = zone_bm->bm_blocks;
+	bm->cur.block = list_entry(bm->blocks.next, struct bm_block, hook);
 	bm->cur.bit = 0;
 }
 
@@ -285,151 +267,184 @@
 
 /**
  *	create_bm_block_list - create a list of block bitmap objects
+ *	@nr_blocks - number of blocks to allocate
+ *	@list - list to put the allocated blocks into
+ *	@ca - chain allocator to be used for allocating memory
  */
-
-static inline struct bm_block *
-create_bm_block_list(unsigned int nr_blocks, struct chain_allocator *ca)
+static int create_bm_block_list(unsigned long pages,
+				struct list_head *list,
+				struct chain_allocator *ca)
 {
-	struct bm_block *bblist = NULL;
+	unsigned int nr_blocks = DIV_ROUND_UP(pages, BM_BITS_PER_BLOCK);
 
 	while (nr_blocks-- > 0) {
 		struct bm_block *bb;
 
 		bb = chain_alloc(ca, sizeof(struct bm_block));
 		if (!bb)
-			return NULL;
-
-		bb->next = bblist;
-		bblist = bb;
+			return -ENOMEM;
+		list_add(&bb->hook, list);
 	}
-	return bblist;
+
+	return 0;
+}
+
+struct mem_extent {
+	struct list_head hook;
+	unsigned long start;
+	unsigned long end;
+};
+
+/**
+ *	free_mem_extents - free a list of memory extents
+ *	@list - list of extents to empty
+ */
+static void free_mem_extents(struct list_head *list)
+{
+	struct mem_extent *ext, *aux;
+
+	list_for_each_entry_safe(ext, aux, list, hook) {
+		list_del(&ext->hook);
+		kfree(ext);
+	}
 }
 
 /**
- *	create_zone_bm_list - create a list of zone bitmap objects
+ *	create_mem_extents - create a list of memory extents representing
+ *	                     contiguous ranges of PFNs
+ *	@list - list to put the extents into
+ *	@gfp_mask - mask to use for memory allocations
  */
-
-static inline struct zone_bitmap *
-create_zone_bm_list(unsigned int nr_zones, struct chain_allocator *ca)
+static int create_mem_extents(struct list_head *list, gfp_t gfp_mask)
 {
-	struct zone_bitmap *zbmlist = NULL;
+	struct zone *zone;
 
-	while (nr_zones-- > 0) {
-		struct zone_bitmap *zbm;
+	INIT_LIST_HEAD(list);
 
-		zbm = chain_alloc(ca, sizeof(struct zone_bitmap));
-		if (!zbm)
-			return NULL;
+	for_each_zone(zone) {
+		unsigned long zone_start, zone_end;
+		struct mem_extent *ext, *cur, *aux;
 
-		zbm->next = zbmlist;
-		zbmlist = zbm;
+		if (!populated_zone(zone))
+			continue;
+
+		zone_start = zone->zone_start_pfn;
+		zone_end = zone->zone_start_pfn + zone->spanned_pages;
+
+		list_for_each_entry(ext, list, hook)
+			if (zone_start <= ext->end)
+				break;
+
+		if (&ext->hook == list || zone_end < ext->start) {
+			/* New extent is necessary */
+			struct mem_extent *new_ext;
+
+			new_ext = kzalloc(sizeof(struct mem_extent), gfp_mask);
+			if (!new_ext) {
+				free_mem_extents(list);
+				return -ENOMEM;
+			}
+			new_ext->start = zone_start;
+			new_ext->end = zone_end;
+			list_add_tail(&new_ext->hook, &ext->hook);
+			continue;
+		}
+
+		/* Merge this zone's range of PFNs with the existing one */
+		if (zone_start < ext->start)
+			ext->start = zone_start;
+		if (zone_end > ext->end)
+			ext->end = zone_end;
+
+		/* More merging may be possible */
+		cur = ext;
+		list_for_each_entry_safe_continue(cur, aux, list, hook) {
+			if (zone_end < cur->start)
+				break;
+			if (zone_end < cur->end)
+				ext->end = cur->end;
+			list_del(&cur->hook);
+			kfree(cur);
+		}
 	}
-	return zbmlist;
+
+	return 0;
 }
 
 /**
   *	memory_bm_create - allocate memory for a memory bitmap
   */
-
 static int
 memory_bm_create(struct memory_bitmap *bm, gfp_t gfp_mask, int safe_needed)
 {
 	struct chain_allocator ca;
-	struct zone *zone;
-	struct zone_bitmap *zone_bm;
-	struct bm_block *bb;
-	unsigned int nr;
+	struct list_head mem_extents;
+	struct mem_extent *ext;
+	int error;
 
 	chain_init(&ca, gfp_mask, safe_needed);
+	INIT_LIST_HEAD(&bm->blocks);
 
-	/* Compute the number of zones */
-	nr = 0;
-	for_each_zone(zone)
-		if (populated_zone(zone))
-			nr++;
+	error = create_mem_extents(&mem_extents, gfp_mask);
+	if (error)
+		return error;
 
-	/* Allocate the list of zones bitmap objects */
-	zone_bm = create_zone_bm_list(nr, &ca);
-	bm->zone_bm_list = zone_bm;
-	if (!zone_bm) {
-		chain_free(&ca, PG_UNSAFE_CLEAR);
-		return -ENOMEM;
-	}
+	list_for_each_entry(ext, &mem_extents, hook) {
+		struct bm_block *bb;
+		unsigned long pfn = ext->start;
+		unsigned long pages = ext->end - ext->start;
 
-	/* Initialize the zone bitmap objects */
-	for_each_zone(zone) {
-		unsigned long pfn;
+		bb = list_entry(bm->blocks.prev, struct bm_block, hook);
 
-		if (!populated_zone(zone))
-			continue;
+		error = create_bm_block_list(pages, bm->blocks.prev, &ca);
+		if (error)
+			goto Error;
 
-		zone_bm->start_pfn = zone->zone_start_pfn;
-		zone_bm->end_pfn = zone->zone_start_pfn + zone->spanned_pages;
-		/* Allocate the list of bitmap block objects */
-		nr = DIV_ROUND_UP(zone->spanned_pages, BM_BITS_PER_BLOCK);
-		bb = create_bm_block_list(nr, &ca);
-		zone_bm->bm_blocks = bb;
-		zone_bm->cur_block = bb;
-		if (!bb)
-			goto Free;
-
-		nr = zone->spanned_pages;
-		pfn = zone->zone_start_pfn;
-		/* Initialize the bitmap block objects */
-		while (bb) {
-			unsigned long *ptr;
-
-			ptr = get_image_page(gfp_mask, safe_needed);
-			bb->data = ptr;
-			if (!ptr)
-				goto Free;
+		list_for_each_entry_continue(bb, &bm->blocks, hook) {
+			bb->data = get_image_page(gfp_mask, safe_needed);
+			if (!bb->data) {
+				error = -ENOMEM;
+				goto Error;
+			}
 
 			bb->start_pfn = pfn;
-			if (nr >= BM_BITS_PER_BLOCK) {
+			if (pages >= BM_BITS_PER_BLOCK) {
 				pfn += BM_BITS_PER_BLOCK;
-				nr -= BM_BITS_PER_BLOCK;
+				pages -= BM_BITS_PER_BLOCK;
 			} else {
 				/* This is executed only once in the loop */
-				pfn += nr;
+				pfn += pages;
 			}
 			bb->end_pfn = pfn;
-			bb = bb->next;
 		}
-		zone_bm = zone_bm->next;
 	}
+
 	bm->p_list = ca.chain;
 	memory_bm_position_reset(bm);
-	return 0;
+ Exit:
+	free_mem_extents(&mem_extents);
+	return error;
 
- Free:
+ Error:
 	bm->p_list = ca.chain;
 	memory_bm_free(bm, PG_UNSAFE_CLEAR);
-	return -ENOMEM;
+	goto Exit;
 }
 
 /**
   *	memory_bm_free - free memory occupied by the memory bitmap @bm
   */
-
 static void memory_bm_free(struct memory_bitmap *bm, int clear_nosave_free)
 {
-	struct zone_bitmap *zone_bm;
+	struct bm_block *bb;
 
-	/* Free the list of bit blocks for each zone_bitmap object */
-	zone_bm = bm->zone_bm_list;
-	while (zone_bm) {
-		struct bm_block *bb;
+	list_for_each_entry(bb, &bm->blocks, hook)
+		if (bb->data)
+			free_image_page(bb->data, clear_nosave_free);
 
-		bb = zone_bm->bm_blocks;
-		while (bb) {
-			if (bb->data)
-				free_image_page(bb->data, clear_nosave_free);
-			bb = bb->next;
-		}
-		zone_bm = zone_bm->next;
-	}
 	free_list_of_pages(bm->p_list, clear_nosave_free);
-	bm->zone_bm_list = NULL;
+
+	INIT_LIST_HEAD(&bm->blocks);
 }
 
 /**
@@ -437,38 +452,33 @@
  *	to given pfn.  The cur_zone_bm member of @bm and the cur_block member
  *	of @bm->cur_zone_bm are updated.
  */
-
 static int memory_bm_find_bit(struct memory_bitmap *bm, unsigned long pfn,
 				void **addr, unsigned int *bit_nr)
 {
-	struct zone_bitmap *zone_bm;
 	struct bm_block *bb;
 
-	/* Check if the pfn is from the current zone */
-	zone_bm = bm->cur.zone_bm;
-	if (pfn < zone_bm->start_pfn || pfn >= zone_bm->end_pfn) {
-		zone_bm = bm->zone_bm_list;
-		/* We don't assume that the zones are sorted by pfns */
-		while (pfn < zone_bm->start_pfn || pfn >= zone_bm->end_pfn) {
-			zone_bm = zone_bm->next;
-
-			if (!zone_bm)
-				return -EFAULT;
-		}
-		bm->cur.zone_bm = zone_bm;
-	}
-	/* Check if the pfn corresponds to the current bitmap block */
-	bb = zone_bm->cur_block;
+	/*
+	 * Check if the pfn corresponds to the current bitmap block and find
+	 * the block where it fits if this is not the case.
+	 */
+	bb = bm->cur.block;
 	if (pfn < bb->start_pfn)
-		bb = zone_bm->bm_blocks;
+		list_for_each_entry_continue_reverse(bb, &bm->blocks, hook)
+			if (pfn >= bb->start_pfn)
+				break;
 
-	while (pfn >= bb->end_pfn) {
-		bb = bb->next;
+	if (pfn >= bb->end_pfn)
+		list_for_each_entry_continue(bb, &bm->blocks, hook)
+			if (pfn >= bb->start_pfn && pfn < bb->end_pfn)
+				break;
 
-		BUG_ON(!bb);
-	}
-	zone_bm->cur_block = bb;
+	if (&bb->hook == &bm->blocks)
+		return -EFAULT;
+
+	/* The block has been found */
+	bm->cur.block = bb;
 	pfn -= bb->start_pfn;
+	bm->cur.bit = pfn + 1;
 	*bit_nr = pfn;
 	*addr = bb->data;
 	return 0;
@@ -519,6 +529,14 @@
 	return test_bit(bit, addr);
 }
 
+static bool memory_bm_pfn_present(struct memory_bitmap *bm, unsigned long pfn)
+{
+	void *addr;
+	unsigned int bit;
+
+	return !memory_bm_find_bit(bm, pfn, &addr, &bit);
+}
+
 /**
  *	memory_bm_next_pfn - find the pfn that corresponds to the next set bit
  *	in the bitmap @bm.  If the pfn cannot be found, BM_END_OF_MAP is
@@ -530,29 +548,21 @@
 
 static unsigned long memory_bm_next_pfn(struct memory_bitmap *bm)
 {
-	struct zone_bitmap *zone_bm;
 	struct bm_block *bb;
 	int bit;
 
+	bb = bm->cur.block;
 	do {
-		bb = bm->cur.block;
-		do {
-			bit = bm->cur.bit;
-			bit = find_next_bit(bb->data, bm_block_bits(bb), bit);
-			if (bit < bm_block_bits(bb))
-				goto Return_pfn;
+		bit = bm->cur.bit;
+		bit = find_next_bit(bb->data, bm_block_bits(bb), bit);
+		if (bit < bm_block_bits(bb))
+			goto Return_pfn;
 
-			bb = bb->next;
-			bm->cur.block = bb;
-			bm->cur.bit = 0;
-		} while (bb);
-		zone_bm = bm->cur.zone_bm->next;
-		if (zone_bm) {
-			bm->cur.zone_bm = zone_bm;
-			bm->cur.block = zone_bm->bm_blocks;
-			bm->cur.bit = 0;
-		}
-	} while (zone_bm);
+		bb = list_entry(bb->hook.next, struct bm_block, hook);
+		bm->cur.block = bb;
+		bm->cur.bit = 0;
+	} while (&bb->hook != &bm->blocks);
+
 	memory_bm_position_reset(bm);
 	return BM_END_OF_MAP;
 
@@ -808,8 +818,7 @@
  *	We should save the page if it isn't Nosave or NosaveFree, or Reserved,
  *	and it isn't a part of a free chunk of pages.
  */
-
-static struct page *saveable_highmem_page(unsigned long pfn)
+static struct page *saveable_highmem_page(struct zone *zone, unsigned long pfn)
 {
 	struct page *page;
 
@@ -817,6 +826,8 @@
 		return NULL;
 
 	page = pfn_to_page(pfn);
+	if (page_zone(page) != zone)
+		return NULL;
 
 	BUG_ON(!PageHighMem(page));
 
@@ -846,13 +857,16 @@
 		mark_free_pages(zone);
 		max_zone_pfn = zone->zone_start_pfn + zone->spanned_pages;
 		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)
-			if (saveable_highmem_page(pfn))
+			if (saveable_highmem_page(zone, pfn))
 				n++;
 	}
 	return n;
 }
 #else
-static inline void *saveable_highmem_page(unsigned long pfn) { return NULL; }
+static inline void *saveable_highmem_page(struct zone *z, unsigned long p)
+{
+	return NULL;
+}
 #endif /* CONFIG_HIGHMEM */
 
 /**
@@ -863,8 +877,7 @@
  *	of pages statically defined as 'unsaveable', and it isn't a part of
  *	a free chunk of pages.
  */
-
-static struct page *saveable_page(unsigned long pfn)
+static struct page *saveable_page(struct zone *zone, unsigned long pfn)
 {
 	struct page *page;
 
@@ -872,6 +885,8 @@
 		return NULL;
 
 	page = pfn_to_page(pfn);
+	if (page_zone(page) != zone)
+		return NULL;
 
 	BUG_ON(PageHighMem(page));
 
@@ -903,7 +918,7 @@
 		mark_free_pages(zone);
 		max_zone_pfn = zone->zone_start_pfn + zone->spanned_pages;
 		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)
-			if(saveable_page(pfn))
+			if (saveable_page(zone, pfn))
 				n++;
 	}
 	return n;
@@ -944,7 +959,7 @@
 page_is_saveable(struct zone *zone, unsigned long pfn)
 {
 	return is_highmem(zone) ?
-			saveable_highmem_page(pfn) : saveable_page(pfn);
+		saveable_highmem_page(zone, pfn) : saveable_page(zone, pfn);
 }
 
 static void copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
@@ -966,7 +981,7 @@
 			 * data modified by kmap_atomic()
 			 */
 			safe_copy_page(buffer, s_page);
-			dst = kmap_atomic(pfn_to_page(dst_pfn), KM_USER0);
+			dst = kmap_atomic(d_page, KM_USER0);
 			memcpy(dst, buffer, PAGE_SIZE);
 			kunmap_atomic(dst, KM_USER0);
 		} else {
@@ -975,7 +990,7 @@
 	}
 }
 #else
-#define page_is_saveable(zone, pfn)	saveable_page(pfn)
+#define page_is_saveable(zone, pfn)	saveable_page(zone, pfn)
 
 static inline void copy_data_page(unsigned long dst_pfn, unsigned long src_pfn)
 {
@@ -1459,9 +1474,7 @@
  *	unpack_orig_pfns - for each element of @buf[] (1 page at a time) set
  *	the corresponding bit in the memory bitmap @bm
  */
-
-static inline void
-unpack_orig_pfns(unsigned long *buf, struct memory_bitmap *bm)
+static int unpack_orig_pfns(unsigned long *buf, struct memory_bitmap *bm)
 {
 	int j;
 
@@ -1469,8 +1482,13 @@
 		if (unlikely(buf[j] == BM_END_OF_MAP))
 			break;
 
-		memory_bm_set_bit(bm, buf[j]);
+		if (memory_bm_pfn_present(bm, buf[j]))
+			memory_bm_set_bit(bm, buf[j]);
+		else
+			return -EFAULT;
 	}
+
+	return 0;
 }
 
 /* List of "safe" pages that may be used to store data loaded from the suspend
@@ -1608,7 +1626,7 @@
 	pbe = chain_alloc(ca, sizeof(struct highmem_pbe));
 	if (!pbe) {
 		swsusp_free();
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 	}
 	pbe->orig_page = page;
 	if (safe_highmem_pages > 0) {
@@ -1677,7 +1695,7 @@
 static inline void *
 get_highmem_page_buffer(struct page *page, struct chain_allocator *ca)
 {
-	return NULL;
+	return ERR_PTR(-EINVAL);
 }
 
 static inline void copy_last_highmem_page(void) {}
@@ -1788,8 +1806,13 @@
 static void *get_buffer(struct memory_bitmap *bm, struct chain_allocator *ca)
 {
 	struct pbe *pbe;
-	struct page *page = pfn_to_page(memory_bm_next_pfn(bm));
+	struct page *page;
+	unsigned long pfn = memory_bm_next_pfn(bm);
 
+	if (pfn == BM_END_OF_MAP)
+		return ERR_PTR(-EFAULT);
+
+	page = pfn_to_page(pfn);
 	if (PageHighMem(page))
 		return get_highmem_page_buffer(page, ca);
 
@@ -1805,7 +1828,7 @@
 	pbe = chain_alloc(ca, sizeof(struct pbe));
 	if (!pbe) {
 		swsusp_free();
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 	}
 	pbe->orig_address = page_address(page);
 	pbe->address = safe_pages_list;
@@ -1868,7 +1891,10 @@
 				return error;
 
 		} else if (handle->prev <= nr_meta_pages) {
-			unpack_orig_pfns(buffer, &copy_bm);
+			error = unpack_orig_pfns(buffer, &copy_bm);
+			if (error)
+				return error;
+
 			if (handle->prev == nr_meta_pages) {
 				error = prepare_image(&orig_bm, &copy_bm);
 				if (error)
@@ -1879,12 +1905,14 @@
 				restore_pblist = NULL;
 				handle->buffer = get_buffer(&orig_bm, &ca);
 				handle->sync_read = 0;
-				if (!handle->buffer)
-					return -ENOMEM;
+				if (IS_ERR(handle->buffer))
+					return PTR_ERR(handle->buffer);
 			}
 		} else {
 			copy_last_highmem_page();
 			handle->buffer = get_buffer(&orig_bm, &ca);
+			if (IS_ERR(handle->buffer))
+				return PTR_ERR(handle->buffer);
 			if (handle->buffer != buffer)
 				handle->sync_read = 0;
 		}
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 023ff2a..a92c914 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -262,3 +262,125 @@
 
 	return 0;
 }
+
+/*
+ * Platforms, like ACPI, may want us to save some memory used by them during
+ * hibernation and to restore the contents of this memory during the subsequent
+ * resume.  The code below implements a mechanism allowing us to do that.
+ */
+
+struct nvs_page {
+	unsigned long phys_start;
+	unsigned int size;
+	void *kaddr;
+	void *data;
+	struct list_head node;
+};
+
+static LIST_HEAD(nvs_list);
+
+/**
+ *	hibernate_nvs_register - register platform NVS memory region to save
+ *	@start - physical address of the region
+ *	@size - size of the region
+ *
+ *	The NVS region need not be page-aligned (both ends) and we arrange
+ *	things so that the data from page-aligned addresses in this region will
+ *	be copied into separate RAM pages.
+ */
+int hibernate_nvs_register(unsigned long start, unsigned long size)
+{
+	struct nvs_page *entry, *next;
+
+	while (size > 0) {
+		unsigned int nr_bytes;
+
+		entry = kzalloc(sizeof(struct nvs_page), GFP_KERNEL);
+		if (!entry)
+			goto Error;
+
+		list_add_tail(&entry->node, &nvs_list);
+		entry->phys_start = start;
+		nr_bytes = PAGE_SIZE - (start & ~PAGE_MASK);
+		entry->size = (size < nr_bytes) ? size : nr_bytes;
+
+		start += entry->size;
+		size -= entry->size;
+	}
+	return 0;
+
+ Error:
+	list_for_each_entry_safe(entry, next, &nvs_list, node) {
+		list_del(&entry->node);
+		kfree(entry);
+	}
+	return -ENOMEM;
+}
+
+/**
+ *	hibernate_nvs_free - free data pages allocated for saving NVS regions
+ */
+void hibernate_nvs_free(void)
+{
+	struct nvs_page *entry;
+
+	list_for_each_entry(entry, &nvs_list, node)
+		if (entry->data) {
+			free_page((unsigned long)entry->data);
+			entry->data = NULL;
+			if (entry->kaddr) {
+				iounmap(entry->kaddr);
+				entry->kaddr = NULL;
+			}
+		}
+}
+
+/**
+ *	hibernate_nvs_alloc - allocate memory necessary for saving NVS regions
+ */
+int hibernate_nvs_alloc(void)
+{
+	struct nvs_page *entry;
+
+	list_for_each_entry(entry, &nvs_list, node) {
+		entry->data = (void *)__get_free_page(GFP_KERNEL);
+		if (!entry->data) {
+			hibernate_nvs_free();
+			return -ENOMEM;
+		}
+	}
+	return 0;
+}
+
+/**
+ *	hibernate_nvs_save - save NVS memory regions
+ */
+void hibernate_nvs_save(void)
+{
+	struct nvs_page *entry;
+
+	printk(KERN_INFO "PM: Saving platform NVS memory\n");
+
+	list_for_each_entry(entry, &nvs_list, node)
+		if (entry->data) {
+			entry->kaddr = ioremap(entry->phys_start, entry->size);
+			memcpy(entry->data, entry->kaddr, entry->size);
+		}
+}
+
+/**
+ *	hibernate_nvs_restore - restore NVS memory regions
+ *
+ *	This function is going to be called with interrupts disabled, so it
+ *	cannot iounmap the virtual addresses used to access the NVS region.
+ */
+void hibernate_nvs_restore(void)
+{
+	struct nvs_page *entry;
+
+	printk(KERN_INFO "PM: Restoring platform NVS memory\n");
+
+	list_for_each_entry(entry, &nvs_list, node)
+		if (entry->data)
+			memcpy(entry->kaddr, entry->data, entry->size);
+}