197 files changed, 5837 insertions, 7802 deletions

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index cbcb2c27f48b..e94aff6888ca 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -66,7 +66,7 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return
 
 #define BAD_MADT_ENTRY(entry, end) (                                        \
                 (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-                ((acpi_table_entry_header *)entry)->length < sizeof(*entry))
+                ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 
 #define PREFIX                  "ACPI: "
 
@@ -79,7 +79,7 @@ int acpi_ioapic;
 int acpi_strict;
 EXPORT_SYMBOL(acpi_strict);
 
-acpi_interrupt_flags acpi_sci_flags __initdata;
+u8 acpi_sci_flags __initdata;
 int acpi_sci_override_gsi __initdata;
 int acpi_skip_timer_override __initdata;
 int acpi_use_timer_override __initdata;
@@ -92,11 +92,6 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
 #warning ACPI uses CMPXCHG, i486 and later hardware
 #endif
 
-#define MAX_MADT_ENTRIES        256
-u8 x86_acpiid_to_apicid[MAX_MADT_ENTRIES] =
-    {[0 ... MAX_MADT_ENTRIES - 1] = 0xff };
-EXPORT_SYMBOL(x86_acpiid_to_apicid);
-
 /* --------------------------------------------------------------------------
                               Boot-time Configuration
    -------------------------------------------------------------------------- */
@@ -166,30 +161,26 @@ char *__acpi_map_table(unsigned long phys, unsigned long size)
 
 #ifdef CONFIG_PCI_MMCONFIG
 /* The physical address of the MMCONFIG aperture.  Set from ACPI tables. */
-struct acpi_table_mcfg_config *pci_mmcfg_config;
+struct acpi_mcfg_allocation *pci_mmcfg_config;
 int pci_mmcfg_config_num;
 
-int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
+int __init acpi_parse_mcfg(struct acpi_table_header *header)
 {
         struct acpi_table_mcfg *mcfg;
         unsigned long i;
         int config_size;
 
-        if (!phys_addr || !size)
+        if (!header)
                 return -EINVAL;
 
-        mcfg = (struct acpi_table_mcfg *)__acpi_map_table(phys_addr, size);
-        if (!mcfg) {
-                printk(KERN_WARNING PREFIX "Unable to map MCFG\n");
-                return -ENODEV;
-        }
+        mcfg = (struct acpi_table_mcfg *)header;
 
         /* how many config structures do we have */
         pci_mmcfg_config_num = 0;
-        i = size - sizeof(struct acpi_table_mcfg);
-        while (i >= sizeof(struct acpi_table_mcfg_config)) {
+        i = header->length - sizeof(struct acpi_table_mcfg);
+        while (i >= sizeof(struct acpi_mcfg_allocation)) {
                 ++pci_mmcfg_config_num;
-                i -= sizeof(struct acpi_table_mcfg_config);
+                i -= sizeof(struct acpi_mcfg_allocation);
         };
         if (pci_mmcfg_config_num == 0) {
                 printk(KERN_ERR PREFIX "MMCONFIG has no entries\n");
@@ -204,9 +195,9 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
                 return -ENOMEM;
         }
 
-        memcpy(pci_mmcfg_config, &mcfg->config, config_size);
+        memcpy(pci_mmcfg_config, &mcfg[1], config_size);
         for (i = 0; i < pci_mmcfg_config_num; ++i) {
-                if (mcfg->config[i].base_reserved) {
+                if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
                         printk(KERN_ERR PREFIX
                                "MMCONFIG not in low 4GB of memory\n");
                         kfree(pci_mmcfg_config);
@@ -220,24 +211,24 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
 #endif                          /* CONFIG_PCI_MMCONFIG */
 
 #ifdef CONFIG_X86_LOCAL_APIC
-static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_madt(struct acpi_table_header *table)
 {
         struct acpi_table_madt *madt = NULL;
 
-        if (!phys_addr || !size || !cpu_has_apic)
+        if (!cpu_has_apic)
                 return -EINVAL;
 
-        madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
+        madt = (struct acpi_table_madt *)table;
         if (!madt) {
                 printk(KERN_WARNING PREFIX "Unable to map MADT\n");
                 return -ENODEV;
         }
 
-        if (madt->lapic_address) {
-                acpi_lapic_addr = (u64) madt->lapic_address;
+        if (madt->address) {
+                acpi_lapic_addr = (u64) madt->address;
 
                 printk(KERN_DEBUG PREFIX "Local APIC address 0x%08x\n",
-                       madt->lapic_address);
+                       madt->address);
         }
 
         acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id);
@@ -246,21 +237,17 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
 }
 
 static int __init
-acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_lapic *processor = NULL;
+        struct acpi_madt_local_apic *processor = NULL;
 
-        processor = (struct acpi_table_lapic *)header;
+        processor = (struct acpi_madt_local_apic *)header;
 
         if (BAD_MADT_ENTRY(processor, end))
                 return -EINVAL;
 
         acpi_table_print_madt_entry(header);
 
-        /* Record local apic id only when enabled */
-        if (processor->flags.enabled)
-                x86_acpiid_to_apicid[processor->acpi_id] = processor->id;
-
         /*
          * We need to register disabled CPU as well to permit
          * counting disabled CPUs. This allows us to size
@@ -269,18 +256,18 @@ acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
          * when we use CPU hotplug.
          */
         mp_register_lapic(processor->id,        /* APIC ID */
-                          processor->flags.enabled);    /* Enabled? */
+                          processor->lapic_flags & ACPI_MADT_ENABLED);  /* Enabled? */
 
         return 0;
 }
 
 static int __init
-acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
+acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
                           const unsigned long end)
 {
-        struct acpi_table_lapic_addr_ovr *lapic_addr_ovr = NULL;
+        struct acpi_madt_local_apic_override *lapic_addr_ovr = NULL;
 
-        lapic_addr_ovr = (struct acpi_table_lapic_addr_ovr *)header;
+        lapic_addr_ovr = (struct acpi_madt_local_apic_override *)header;
 
         if (BAD_MADT_ENTRY(lapic_addr_ovr, end))
                 return -EINVAL;
@@ -291,11 +278,11 @@ acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
 }
 
 static int __init
-acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_lapic_nmi *lapic_nmi = NULL;
+        struct acpi_madt_local_apic_nmi *lapic_nmi = NULL;
 
-        lapic_nmi = (struct acpi_table_lapic_nmi *)header;
+        lapic_nmi = (struct acpi_madt_local_apic_nmi *)header;
 
         if (BAD_MADT_ENTRY(lapic_nmi, end))
                 return -EINVAL;
@@ -313,11 +300,11 @@ acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
 #ifdef CONFIG_X86_IO_APIC
 
 static int __init
-acpi_parse_ioapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_ioapic *ioapic = NULL;
+        struct acpi_madt_io_apic *ioapic = NULL;
 
-        ioapic = (struct acpi_table_ioapic *)header;
+        ioapic = (struct acpi_madt_io_apic *)header;
 
         if (BAD_MADT_ENTRY(ioapic, end))
                 return -EINVAL;
@@ -342,11 +329,11 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
                 polarity = 3;
 
         /* Command-line over-ride via acpi_sci= */
-        if (acpi_sci_flags.trigger)
-                trigger = acpi_sci_flags.trigger;
+        if (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)
+                trigger = (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2;
 
-        if (acpi_sci_flags.polarity)
-                polarity = acpi_sci_flags.polarity;
+        if (acpi_sci_flags & ACPI_MADT_POLARITY_MASK)
+                polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK;
 
         /*
          * mp_config_acpi_legacy_irqs() already setup IRQs < 16
@@ -357,51 +344,52 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
 
         /*
          * stash over-ride to indicate we've been here
-         * and for later update of acpi_fadt
+         * and for later update of acpi_gbl_FADT
          */
         acpi_sci_override_gsi = gsi;
         return;
 }
 
 static int __init
-acpi_parse_int_src_ovr(acpi_table_entry_header * header,
+acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
                        const unsigned long end)
 {
-        struct acpi_table_int_src_ovr *intsrc = NULL;
+        struct acpi_madt_interrupt_override *intsrc = NULL;
 
-        intsrc = (struct acpi_table_int_src_ovr *)header;
+        intsrc = (struct acpi_madt_interrupt_override *)header;
 
         if (BAD_MADT_ENTRY(intsrc, end))
                 return -EINVAL;
 
         acpi_table_print_madt_entry(header);
 
-        if (intsrc->bus_irq == acpi_fadt.sci_int) {
+        if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) {
                 acpi_sci_ioapic_setup(intsrc->global_irq,
-                                      intsrc->flags.polarity,
-                                      intsrc->flags.trigger);
+                                      intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
+                                      (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
                 return 0;
         }
 
         if (acpi_skip_timer_override &&
-            intsrc->bus_irq == 0 && intsrc->global_irq == 2) {
+            intsrc->source_irq == 0 && intsrc->global_irq == 2) {
                 printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
                 return 0;
         }
 
-        mp_override_legacy_irq(intsrc->bus_irq,
-                               intsrc->flags.polarity,
-                               intsrc->flags.trigger, intsrc->global_irq);
+        mp_override_legacy_irq(intsrc->source_irq,
+                                intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
+                                (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2,
+                                intsrc->global_irq);
 
         return 0;
 }
 
 static int __init
-acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_nmi_src *nmi_src = NULL;
+        struct acpi_madt_nmi_source *nmi_src = NULL;
 
-        nmi_src = (struct acpi_table_nmi_src *)header;
+        nmi_src = (struct acpi_madt_nmi_source *)header;
 
         if (BAD_MADT_ENTRY(nmi_src, end))
                 return -EINVAL;
@@ -417,7 +405,7 @@ acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
 
 /*
  * acpi_pic_sci_set_trigger()
- * 
+ *
  * use ELCR to set PIC-mode trigger type for SCI
  *
  * If a PIC-mode SCI is not recognized or gives spurious IRQ7's
@@ -511,7 +499,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 {
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
         union acpi_object *obj;
-        struct acpi_table_lapic *lapic;
+        struct acpi_madt_local_apic *lapic;
         cpumask_t tmp_map, new_map;
         u8 physid;
         int cpu;
@@ -529,10 +517,10 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
                 return -EINVAL;
         }
 
-        lapic = (struct acpi_table_lapic *)obj->buffer.pointer;
+        lapic = (struct acpi_madt_local_apic *)obj->buffer.pointer;
 
-        if ((lapic->header.type != ACPI_MADT_LAPIC) ||
-            (!lapic->flags.enabled)) {
+        if (lapic->header.type != ACPI_MADT_TYPE_LOCAL_APIC ||
+            !(lapic->lapic_flags & ACPI_MADT_ENABLED)) {
                 kfree(buffer.pointer);
                 return -EINVAL;
         }
@@ -544,7 +532,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
         buffer.pointer = NULL;
 
         tmp_map = cpu_present_map;
-        mp_register_lapic(physid, lapic->flags.enabled);
+        mp_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED);
 
         /*
          * If mp_register_lapic successfully generates a new logical cpu
@@ -566,14 +554,6 @@ EXPORT_SYMBOL(acpi_map_lsapic);
 
 int acpi_unmap_lsapic(int cpu)
 {
-        int i;
-
-        for_each_possible_cpu(i) {
-                if (x86_acpiid_to_apicid[i] == x86_cpu_to_apicid[cpu]) {
-                        x86_acpiid_to_apicid[i] = -1;
-                        break;
-                }
-        }
         x86_cpu_to_apicid[cpu] = -1;
         cpu_clear(cpu, cpu_present_map);
         num_processors--;
@@ -619,42 +599,36 @@ acpi_scan_rsdp(unsigned long start, unsigned long length)
         return 0;
 }
 
-static int __init acpi_parse_sbf(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_sbf(struct acpi_table_header *table)
 {
-        struct acpi_table_sbf *sb;
-
-        if (!phys_addr || !size)
-                return -EINVAL;
+        struct acpi_table_boot *sb;
 
-        sb = (struct acpi_table_sbf *)__acpi_map_table(phys_addr, size);
+        sb = (struct acpi_table_boot *)table;
         if (!sb) {
                 printk(KERN_WARNING PREFIX "Unable to map SBF\n");
                 return -ENODEV;
         }
 
-        sbf_port = sb->sbf_cmos;        /* Save CMOS port */
+        sbf_port = sb->cmos_index;      /* Save CMOS port */
 
         return 0;
 }
 
 #ifdef CONFIG_HPET_TIMER
 
-static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
+static int __init acpi_parse_hpet(struct acpi_table_header *table)
 {
         struct acpi_table_hpet *hpet_tbl;
         struct resource *hpet_res;
         resource_size_t res_start;
 
-        if (!phys || !size)
-                return -EINVAL;
-
-        hpet_tbl = (struct acpi_table_hpet *)__acpi_map_table(phys, size);
+        hpet_tbl = (struct acpi_table_hpet *)table;
         if (!hpet_tbl) {
                 printk(KERN_WARNING PREFIX "Unable to map HPET\n");
                 return -ENODEV;
         }
 
-        if (hpet_tbl->addr.space_id != ACPI_SPACE_MEM) {
+        if (hpet_tbl->address.space_id != ACPI_SPACE_MEM) {
                 printk(KERN_WARNING PREFIX "HPET timers must be located in "
                        "memory.\n");
                 return -1;
@@ -667,29 +641,28 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
                 hpet_res->name = (void *)&hpet_res[1];
                 hpet_res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
                 snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE,
-                         "HPET %u", hpet_tbl->number);
+                         "HPET %u", hpet_tbl->sequence);
                 hpet_res->end = (1 * 1024) - 1;
         }
 
-#ifdef  CONFIG_X86_64
-        vxtime.hpet_address = hpet_tbl->addr.addrl |
-            ((long)hpet_tbl->addr.addrh << 32);
+#ifdef CONFIG_X86_64
+        vxtime.hpet_address = hpet_tbl->address.address;
 
         printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
-               hpet_tbl->id, vxtime.hpet_address);
+                hpet_tbl->id, vxtime.hpet_address);
 
         res_start = vxtime.hpet_address;
-#else                           /* X86 */
+#else                          /* X86 */
         {
                 extern unsigned long hpet_address;
 
-                hpet_address = hpet_tbl->addr.addrl;
+                hpet_address = hpet_tbl->address.address;
                 printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
-                       hpet_tbl->id, hpet_address);
+                        hpet_tbl->id, hpet_address);
 
                 res_start = hpet_address;
         }
-#endif                          /* X86 */
+#endif                         /* X86 */
 
         if (hpet_res) {
                 hpet_res->start = res_start;
@@ -707,42 +680,28 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
 extern u32 pmtmr_ioport;
 #endif
 
-static int __init acpi_parse_fadt(unsigned long phys, unsigned long size)
+static int __init acpi_parse_fadt(struct acpi_table_header *table)
 {
-        struct fadt_descriptor *fadt = NULL;
-
-        fadt = (struct fadt_descriptor *)__acpi_map_table(phys, size);
-        if (!fadt) {
-                printk(KERN_WARNING PREFIX "Unable to map FADT\n");
-                return 0;
-        }
-        /* initialize sci_int early for INT_SRC_OVR MADT parsing */
-        acpi_fadt.sci_int = fadt->sci_int;
-
-        /* initialize rev and apic_phys_dest_mode for x86_64 genapic */
-        acpi_fadt.revision = fadt->revision;
-        acpi_fadt.force_apic_physical_destination_mode =
-            fadt->force_apic_physical_destination_mode;
 
 #ifdef CONFIG_X86_PM_TIMER
         /* detect the location of the ACPI PM Timer */
-        if (fadt->revision >= FADT2_REVISION_ID) {
+        if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) {
                 /* FADT rev. 2 */
-                if (fadt->xpm_tmr_blk.address_space_id !=
+                if (acpi_gbl_FADT.xpm_timer_block.space_id !=
                     ACPI_ADR_SPACE_SYSTEM_IO)
                         return 0;
 
-                pmtmr_ioport = fadt->xpm_tmr_blk.address;
+                pmtmr_ioport = acpi_gbl_FADT.xpm_timer_block.address;
                 /*
                  * "X" fields are optional extensions to the original V1.0
                  * fields, so we must selectively expand V1.0 fields if the
                  * corresponding X field is zero.
                  */
                 if (!pmtmr_ioport)
-                        pmtmr_ioport = fadt->V1_pm_tmr_blk;
+                        pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
         } else {
                 /* FADT rev. 1 */
-                pmtmr_ioport = fadt->V1_pm_tmr_blk;
+                pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
         }
         if (pmtmr_ioport)
                 printk(KERN_INFO PREFIX "PM-Timer IO Port: %#x\n",
@@ -784,13 +743,13 @@ static int __init acpi_parse_madt_lapic_entries(void)
         if (!cpu_has_apic)
                 return -ENODEV;
 
-        /* 
+        /*
          * Note that the LAPIC address is obtained from the MADT (32-bit value)
          * and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value).
          */
 
         count =
-            acpi_table_parse_madt(ACPI_MADT_LAPIC_ADDR_OVR,
+            acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE,
                                   acpi_parse_lapic_addr_ovr, 0);
         if (count < 0) {
                 printk(KERN_ERR PREFIX
@@ -800,7 +759,7 @@ static int __init acpi_parse_madt_lapic_entries(void)
 
         mp_register_lapic_address(acpi_lapic_addr);
 
-        count = acpi_table_parse_madt(ACPI_MADT_LAPIC, acpi_parse_lapic,
+        count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, acpi_parse_lapic,
                                       MAX_APICS);
         if (!count) {
                 printk(KERN_ERR PREFIX "No LAPIC entries present\n");
@@ -813,7 +772,7 @@ static int __init acpi_parse_madt_lapic_entries(void)
         }
 
         count =
-            acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0);
+            acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0);
         if (count < 0) {
                 printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
                 /* TBD: Cleanup to allow fallback to MPS */
@@ -842,7 +801,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
                 return -ENODEV;
         }
 
-        if (!cpu_has_apic) 
+        if (!cpu_has_apic)
                 return -ENODEV;
 
         /*
@@ -855,7 +814,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
         }
 
         count =
-            acpi_table_parse_madt(ACPI_MADT_IOAPIC, acpi_parse_ioapic,
+            acpi_table_parse_madt(ACPI_MADT_TYPE_IO_APIC, acpi_parse_ioapic,
                                   MAX_IO_APICS);
         if (!count) {
                 printk(KERN_ERR PREFIX "No IOAPIC entries present\n");
@@ -866,7 +825,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
         }
 
         count =
-            acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr,
+            acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr,
                                   NR_IRQ_VECTORS);
         if (count < 0) {
                 printk(KERN_ERR PREFIX
@@ -880,13 +839,13 @@ static int __init acpi_parse_madt_ioapic_entries(void)
          * pretend we got one so we can set the SCI flags.
          */
         if (!acpi_sci_override_gsi)
-                acpi_sci_ioapic_setup(acpi_fadt.sci_int, 0, 0);
+                acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0);
 
         /* Fill in identity legacy mapings where no override */
         mp_config_acpi_legacy_irqs();
 
         count =
-            acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src,
+            acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src,
                                   NR_IRQ_VECTORS);
         if (count < 0) {
                 printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
@@ -908,7 +867,7 @@ static void __init acpi_process_madt(void)
 #ifdef CONFIG_X86_LOCAL_APIC
         int count, error;
 
-        count = acpi_table_parse(ACPI_APIC, acpi_parse_madt);
+        count = acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt);
         if (count >= 1) {
 
                 /*
@@ -1195,7 +1154,7 @@ int __init acpi_boot_table_init(void)
         if (acpi_disabled && !acpi_ht)
                 return 1;
 
-        /* 
+        /*
          * Initialize the ACPI boot-time table parser.
          */
         error = acpi_table_init();
@@ -1204,7 +1163,7 @@ int __init acpi_boot_table_init(void)
                 return error;
         }
 
-        acpi_table_parse(ACPI_BOOT, acpi_parse_sbf);
+        acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
 
         /*
          * blacklist may disable ACPI entirely
@@ -1232,19 +1191,19 @@ int __init acpi_boot_init(void)
         if (acpi_disabled && !acpi_ht)
                 return 1;
 
-        acpi_table_parse(ACPI_BOOT, acpi_parse_sbf);
+        acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
 
         /*
          * set sci_int and PM timer address
          */
-        acpi_table_parse(ACPI_FADT, acpi_parse_fadt);
+        acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt);
 
         /*
          * Process the Multiple APIC Description Table (MADT), if present
          */
         acpi_process_madt();
 
-        acpi_table_parse(ACPI_HPET, acpi_parse_hpet);
+        acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet);
 
         return 0;
 }
@@ -1315,13 +1274,17 @@ static int __init setup_acpi_sci(char *s)
         if (!s)
                 return -EINVAL;
         if (!strcmp(s, "edge"))
-                acpi_sci_flags.trigger = 1;
+                acpi_sci_flags =  ACPI_MADT_TRIGGER_EDGE |
+                        (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
         else if (!strcmp(s, "level"))
-                acpi_sci_flags.trigger = 3;
+                acpi_sci_flags = ACPI_MADT_TRIGGER_LEVEL |
+                        (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
         else if (!strcmp(s, "high"))
-                acpi_sci_flags.polarity = 1;
+                acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_HIGH |
+                        (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
         else if (!strcmp(s, "low"))
-                acpi_sci_flags.polarity = 3;
+                acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_LOW |
+                        (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
         else
                 return -EINVAL;
         return 0;
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index 4b60af7f91dd..bf86f7662d8b 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -16,7 +16,7 @@
 
 static int nvidia_hpet_detected __initdata;
 
-static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+static int __init nvidia_hpet_check(struct acpi_table_header *header)
 {
         nvidia_hpet_detected = 1;
         return 0;
@@ -30,7 +30,7 @@ static int __init check_bridge(int vendor, int device)
            is enabled. */
         if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) {
                 nvidia_hpet_detected = 0;
-                acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
+                acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check);
                 if (nvidia_hpet_detected == 0) {
                         acpi_skip_timer_override = 1;
                           printk(KERN_INFO "Nvidia board "
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index e940e00b96c9..a3db9332d652 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -190,7 +190,7 @@ static void do_powersaver(int cx_address, unsigned int clock_ratio_index)
                 /* Invoke C3 */
                 inb(cx_address);
                 /* Dummy op - must do something useless after P_LVL3 read */
-                t = inl(acpi_fadt.xpm_tmr_blk.address);
+                t = inl(acpi_gbl_FADT.xpm_timer_block.address);
         }
         /* Disable bus ratio bit */
         local_irq_disable();
@@ -250,8 +250,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
                 outb(3, 0x22);
         } else if ((pr != NULL) && pr->flags.bm_control) {
                 /* Disable bus master arbitration */
-                acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1,
-                                  ACPI_MTX_DO_NOT_LOCK);
+                acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1);
         }
         switch (longhaul_version) {
 
@@ -281,8 +280,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
         case TYPE_POWERSAVER:
                 if (longhaul_flags & USE_ACPI_C3) {
                         /* Don't allow wakeup */
-                        acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0,
-                                          ACPI_MTX_DO_NOT_LOCK);
+                        acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
                         do_powersaver(cx->address, clock_ratio_index);
                 } else {
                         do_powersaver(0, clock_ratio_index);
@@ -295,8 +293,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
                 outb(0, 0x22);
         } else if ((pr != NULL) && pr->flags.bm_control) {
                 /* Enable bus master arbitration */
-                acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0,
-                                  ACPI_MTX_DO_NOT_LOCK);
+                acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
         }
         outb(pic2_mask,0xA1);   /* restore mask */
         outb(pic1_mask,0x21);
@@ -414,7 +411,7 @@ static int __init longhaul_get_ranges(void)
         highest_speed = calc_speed(maxmult);
         lowest_speed = calc_speed(minmult);
         dprintk ("FSB:%dMHz  Lowest speed: %s   Highest speed:%s\n", fsb,
-                 print_speed(lowest_speed/1000), 
+                 print_speed(lowest_speed/1000),
                  print_speed(highest_speed/1000));
 
         if (lowest_speed == highest_speed) {
@@ -498,7 +495,7 @@ static void __init longhaul_setup_voltagescaling(void)
                 maxvid.mV/1000, maxvid.mV%1000,
                 minvid.mV/1000, minvid.mV%1000,
                 numvscales);
-        
+
         j = 0;
         while (longhaul_table[j].frequency != CPUFREQ_TABLE_END) {
                 speed = longhaul_table[j].frequency;
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index 49bff3596bff..4f5983c98669 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -1057,7 +1057,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
         static int              gsi_to_irq[MAX_GSI_NUM];
 
         /* Don't set up the ACPI SCI because it's already set up */
-        if (acpi_fadt.sci_int == gsi)
+        if (acpi_gbl_FADT.sci_interrupt == gsi)
                 return gsi;
 
         ioapic = mp_find_ioapic(gsi);
@@ -1114,7 +1114,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
                         /*
                          * Don't assign IRQ used by ACPI SCI
                          */
-                        if (gsi == acpi_fadt.sci_int)
+                        if (gsi == acpi_gbl_FADT.sci_interrupt)
                                 gsi = pci_irq++;
                         gsi_to_irq[irq] = gsi;
                 } else {
diff --git a/arch/i386/kernel/srat.c b/arch/i386/kernel/srat.c
index f7e735c077c3..2a8713ec0f9a 100644
--- a/arch/i386/kernel/srat.c
+++ b/arch/i386/kernel/srat.c
@@ -62,19 +62,19 @@ extern void * boot_ioremap(unsigned long, unsigned long);
 /* Identify CPU proximity domains */
 static void __init parse_cpu_affinity_structure(char *p)
 {
-        struct acpi_table_processor_affinity *cpu_affinity = 
-                                (struct acpi_table_processor_affinity *) p;
+        struct acpi_srat_cpu_affinity *cpu_affinity =
+                                (struct acpi_srat_cpu_affinity *) p;
 
-        if (!cpu_affinity->flags.enabled)
+        if ((cpu_affinity->flags & ACPI_SRAT_CPU_ENABLED) == 0)
                 return;         /* empty entry */
 
         /* mark this node as "seen" in node bitmap */
-        BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain);
+        BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain_lo);
 
-        apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain;
+        apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain_lo;
 
         printk("CPU 0x%02X in proximity domain 0x%02X\n",
-                cpu_affinity->apic_id, cpu_affinity->proximity_domain);
+                cpu_affinity->apic_id, cpu_affinity->proximity_domain_lo);
 }
 
 /*
@@ -84,28 +84,27 @@ static void __init parse_cpu_affinity_structure(char *p)
 static void __init parse_memory_affinity_structure (char *sratp)
 {
         unsigned long long paddr, size;
-        unsigned long start_pfn, end_pfn; 
+        unsigned long start_pfn, end_pfn;
         u8 pxm;
         struct node_memory_chunk_s *p, *q, *pend;
-        struct acpi_table_memory_affinity *memory_affinity =
-                        (struct acpi_table_memory_affinity *) sratp;
+        struct acpi_srat_mem_affinity *memory_affinity =
+                        (struct acpi_srat_mem_affinity *) sratp;
 
-        if (!memory_affinity->flags.enabled)
+        if ((memory_affinity->flags & ACPI_SRAT_MEM_ENABLED) == 0)
                 return;         /* empty entry */
 
+        pxm = memory_affinity->proximity_domain & 0xff;
+
         /* mark this node as "seen" in node bitmap */
-        BMAP_SET(pxm_bitmap, memory_affinity->proximity_domain);
+        BMAP_SET(pxm_bitmap, pxm);
 
         /* calculate info for memory chunk structure */
-        paddr = memory_affinity->base_addr_hi;
-        paddr = (paddr << 32) | memory_affinity->base_addr_lo;
-        size = memory_affinity->length_hi;
-        size = (size << 32) | memory_affinity->length_lo;
-        
+        paddr = memory_affinity->base_address;
+        size = memory_affinity->length;
+
         start_pfn = paddr >> PAGE_SHIFT;
         end_pfn = (paddr + size) >> PAGE_SHIFT;
-        
-        pxm = memory_affinity->proximity_domain;
+
 
         if (num_memory_chunks >= MAXCHUNKS) {
                 printk("Too many mem chunks in SRAT. Ignoring %lld MBytes at %llx\n",
@@ -132,8 +131,8 @@ static void __init parse_memory_affinity_structure (char *sratp)
         printk("Memory range 0x%lX to 0x%lX (type 0x%X) in proximity domain 0x%02X %s\n",
                 start_pfn, end_pfn,
                 memory_affinity->memory_type,
-                memory_affinity->proximity_domain,
-                (memory_affinity->flags.hot_pluggable ?
+                pxm,
+                ((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ?
                  "enabled and removable" : "enabled" ) );
 }
 
@@ -185,10 +184,10 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
         num_memory_chunks = 0;
         while (p < end) {
                 switch (*p) {
-                case ACPI_SRAT_PROCESSOR_AFFINITY:
+                case ACPI_SRAT_TYPE_CPU_AFFINITY:
                         parse_cpu_affinity_structure(p);
                         break;
-                case ACPI_SRAT_MEMORY_AFFINITY:
+                case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
                         parse_memory_affinity_structure(p);
                         break;
                 default:
@@ -262,31 +261,30 @@ out_fail:
         return 0;
 }
 
+struct acpi_static_rsdt {
+        struct acpi_table_rsdt table;
+        u32 padding[7]; /* Allow for 7 more table entries */
+};
+
 int __init get_memcfg_from_srat(void)
 {
         struct acpi_table_header *header = NULL;
         struct acpi_table_rsdp *rsdp = NULL;
         struct acpi_table_rsdt *rsdt = NULL;
-        struct acpi_pointer *rsdp_address = NULL;
-        struct acpi_table_rsdt saved_rsdt;
+        acpi_native_uint rsdp_address = 0;
+        struct acpi_static_rsdt saved_rsdt;
         int tables = 0;
         int i = 0;
 
-        if (ACPI_FAILURE(acpi_find_root_pointer(ACPI_PHYSICAL_ADDRESSING,
-                                                rsdp_address))) {
+        rsdp_address = acpi_find_rsdp();
+        if (!rsdp_address) {
                 printk("%s: System description tables not found\n",
                        __FUNCTION__);
                 goto out_err;
         }
 
-        if (rsdp_address->pointer_type == ACPI_PHYSICAL_POINTER) {
-                printk("%s: assigning address to rsdp\n", __FUNCTION__);
-                rsdp = (struct acpi_table_rsdp *)
-                                (u32)rsdp_address->pointer.physical;
-        } else {
-                printk("%s: rsdp_address is not a physical pointer\n", __FUNCTION__);
-                goto out_err;
-        }
+        printk("%s: assigning address to rsdp\n", __FUNCTION__);
+        rsdp = (struct acpi_table_rsdp *)(u32)rsdp_address;
         if (!rsdp) {
                 printk("%s: Didn't find ACPI root!\n", __FUNCTION__);
                 goto out_err;
@@ -295,13 +293,13 @@ int __init get_memcfg_from_srat(void)
         printk(KERN_INFO "%.8s v%d [%.6s]\n", rsdp->signature, rsdp->revision,
                 rsdp->oem_id);
 
-        if (strncmp(rsdp->signature, RSDP_SIG,strlen(RSDP_SIG))) {
+        if (strncmp(rsdp->signature, ACPI_SIG_RSDP,strlen(ACPI_SIG_RSDP))) {
                 printk(KERN_WARNING "%s: RSDP table signature incorrect\n", __FUNCTION__);
                 goto out_err;
         }
 
         rsdt = (struct acpi_table_rsdt *)
-            boot_ioremap(rsdp->rsdt_address, sizeof(struct acpi_table_rsdt));
+            boot_ioremap(rsdp->rsdt_physical_address, sizeof(struct acpi_table_rsdt));
 
         if (!rsdt) {
                 printk(KERN_WARNING
@@ -310,9 +308,9 @@ int __init get_memcfg_from_srat(void)
                 goto out_err;
         }
 
-        header = & rsdt->header;
+        header = &rsdt->header;
 
-        if (strncmp(header->signature, RSDT_SIG, strlen(RSDT_SIG))) {
+        if (strncmp(header->signature, ACPI_SIG_RSDT, strlen(ACPI_SIG_RSDT))) {
                 printk(KERN_WARNING "ACPI: RSDT signature incorrect\n");
                 goto out_err;
         }
@@ -330,9 +328,9 @@ int __init get_memcfg_from_srat(void)
 
         memcpy(&saved_rsdt, rsdt, sizeof(saved_rsdt));
 
-        if (saved_rsdt.header.length > sizeof(saved_rsdt)) {
+        if (saved_rsdt.table.header.length > sizeof(saved_rsdt)) {
                 printk(KERN_WARNING "ACPI: Too big length in RSDT: %d\n",
-                       saved_rsdt.header.length);
+                       saved_rsdt.table.header.length);
                 goto out_err;
         }
 
@@ -341,15 +339,15 @@ int __init get_memcfg_from_srat(void)
         for (i = 0; i < tables; i++) {
                 /* Map in header, then map in full table length. */
                 header = (struct acpi_table_header *)
-                        boot_ioremap(saved_rsdt.entry[i], sizeof(struct acpi_table_header));
+                        boot_ioremap(saved_rsdt.table.table_offset_entry[i], sizeof(struct acpi_table_header));
                 if (!header)
                         break;
                 header = (struct acpi_table_header *)
-                        boot_ioremap(saved_rsdt.entry[i], header->length);
+                        boot_ioremap(saved_rsdt.table.table_offset_entry[i], header->length);
                 if (!header)
                         break;
 
-                if (strncmp((char *) &header->signature, "SRAT", 4))
+                if (strncmp((char *) &header->signature, ACPI_SIG_SRAT, 4))
                         continue;
 
                 /* we've found the srat table. don't need to look at any more tables */
diff --git a/arch/i386/mach-es7000/es7000.h b/arch/i386/mach-es7000/es7000.h
index 80566ca4a80a..c8d5aa132fa0 100644
--- a/arch/i386/mach-es7000/es7000.h
+++ b/arch/i386/mach-es7000/es7000.h
@@ -84,15 +84,6 @@ struct es7000_oem_table {
 };
 
 #ifdef CONFIG_ACPI
-struct acpi_table_sdt {
-        unsigned long pa;
-        unsigned long count;
-        struct {
-                unsigned long pa;
-                enum acpi_table_id id;
-                unsigned long size;
-        }       entry[50];
-};
 
 struct oem_table {
         struct acpi_table_header Header;
diff --git a/arch/i386/mach-es7000/es7000plat.c b/arch/i386/mach-es7000/es7000plat.c
index 3d0fc853516d..9be6ceabf042 100644
--- a/arch/i386/mach-es7000/es7000plat.c
+++ b/arch/i386/mach-es7000/es7000plat.c
@@ -160,51 +160,14 @@ parse_unisys_oem (char *oemptr)
 int __init
 find_unisys_acpi_oem_table(unsigned long *oem_addr)
 {
-        struct acpi_table_rsdp          *rsdp = NULL;
-        unsigned long                   rsdp_phys = 0;
-        struct acpi_table_header        *header = NULL;
-        int                             i;
-        struct acpi_table_sdt           sdt;
-
-        rsdp_phys = acpi_find_rsdp();
-        rsdp = __va(rsdp_phys);
-        if (rsdp->rsdt_address) {
-                struct acpi_table_rsdt  *mapped_rsdt = NULL;
-                sdt.pa = rsdp->rsdt_address;
-
-                header = (struct acpi_table_header *)
-                        __acpi_map_table(sdt.pa, sizeof(struct acpi_table_header));
-                if (!header)
-                        return -ENODEV;
-
-                sdt.count = (header->length - sizeof(struct acpi_table_header)) >> 3;
-                mapped_rsdt = (struct acpi_table_rsdt *)
-                        __acpi_map_table(sdt.pa, header->length);
-                if (!mapped_rsdt)
-                        return -ENODEV;
-
-                header = &mapped_rsdt->header;
-
-                for (i = 0; i < sdt.count; i++)
-                        sdt.entry[i].pa = (unsigned long) mapped_rsdt->entry[i];
-        };
-        for (i = 0; i < sdt.count; i++) {
-
-                header = (struct acpi_table_header *)
-                        __acpi_map_table(sdt.entry[i].pa,
-                                sizeof(struct acpi_table_header));
-                if (!header)
-                        continue;
-                if (!strncmp((char *) &header->signature, "OEM1", 4)) {
-                        if (!strncmp((char *) &header->oem_id, "UNISYS", 6)) {
-                                void *addr;
-                                struct oem_table *t;
-                                acpi_table_print(header, sdt.entry[i].pa);
-                                t = (struct oem_table *) __acpi_map_table(sdt.entry[i].pa, header->length);
-                                addr = (void *) __acpi_map_table(t->OEMTableAddr, t->OEMTableSize);
-                                *oem_addr = (unsigned long) addr;
-                                return 0;
-                        }
+        struct acpi_table_header *header = NULL;
+        int i = 0;
+        while (ACPI_SUCCESS(acpi_get_table("OEM1", i++, &header))) {
+                if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) {
+                        struct oem_table *t = (struct oem_table *)header;
+                        *oem_addr = (unsigned long)__acpi_map_table(t->OEMTableAddr,
+                                                                    t->OEMTableSize);
+                        return 0;
                 }
         }
         return -1;
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index e2616a266e13..5700220dcf5f 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -36,7 +36,7 @@ static DECLARE_BITMAP(fallback_slots, MAX_CHECK_BUS*32);
 static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
 {
         int cfg_num = -1;
-        struct acpi_table_mcfg_config *cfg;
+        struct acpi_mcfg_allocation *cfg;
 
         if (seg == 0 && bus < MAX_CHECK_BUS &&
             test_bit(PCI_SLOT(devfn) + 32*bus, fallback_slots))
@@ -48,11 +48,11 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
                         break;
                 }
                 cfg = &pci_mmcfg_config[cfg_num];
-                if (cfg->pci_segment_group_number != seg)
+                if (cfg->pci_segment != seg)
                         continue;
                 if ((cfg->start_bus_number <= bus) &&
                     (cfg->end_bus_number >= bus))
-                        return cfg->base_address;
+                        return cfg->address;
         }
 
         /* Handle more broken MCFG tables on Asus etc.
@@ -60,9 +60,9 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
            this applies to all busses. */
         cfg = &pci_mmcfg_config[0];
         if (pci_mmcfg_config_num == 1 &&
-                cfg->pci_segment_group_number == 0 &&
+                cfg->pci_segment == 0 &&
                 (cfg->start_bus_number | cfg->end_bus_number) == 0)
-                return cfg->base_address;
+                return cfg->address;
 
         /* Fall back to type 0 */
         return 0;
@@ -125,7 +125,7 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
         unsigned long flags;
         u32 base;
 
-        if ((bus > 255) || (devfn > 255) || (reg > 4095)) 
+        if ((bus > 255) || (devfn > 255) || (reg > 4095))
                 return -EINVAL;
 
         base = get_base_addr(seg, bus, devfn);
@@ -199,19 +199,19 @@ void __init pci_mmcfg_init(int type)
         if ((pci_probe & PCI_PROBE_MMCONF) == 0)
                 return;
 
-        acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
+        acpi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg);
         if ((pci_mmcfg_config_num == 0) ||
             (pci_mmcfg_config == NULL) ||
-            (pci_mmcfg_config[0].base_address == 0))
+            (pci_mmcfg_config[0].address == 0))
                 return;
 
         /* Only do this check when type 1 works. If it doesn't work
            assume we run on a Mac and always use MCFG */
-        if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].base_address,
-                        pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
+        if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].address,
+                        pci_mmcfg_config[0].address + MMCONFIG_APER_MIN,
                         E820_RESERVED)) {
-                printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
-                                pci_mmcfg_config[0].base_address);
+                printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %lx is not E820-reserved\n",
+                                (unsigned long)pci_mmcfg_config[0].address);
                 printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
                 return;
         }
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index ef2fe474f107..a99b0cc92881 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -55,7 +55,7 @@
 
 #define BAD_MADT_ENTRY(entry, end) (                                        \
                 (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-                ((acpi_table_entry_header *)entry)->length < sizeof(*entry))
+                ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 
 #define PREFIX                  "ACPI: "
 
@@ -67,16 +67,11 @@ EXPORT_SYMBOL(pm_power_off);
 unsigned int acpi_cpei_override;
 unsigned int acpi_cpei_phys_cpuid;
 
-#define MAX_SAPICS 256
-u16 ia64_acpiid_to_sapicid[MAX_SAPICS] = {[0 ... MAX_SAPICS - 1] = -1 };
-
-EXPORT_SYMBOL(ia64_acpiid_to_sapicid);
-
 const char *acpi_get_sysname(void)
 {
 #ifdef CONFIG_IA64_GENERIC
         unsigned long rsdp_phys;
-        struct acpi20_table_rsdp *rsdp;
+        struct acpi_table_rsdp *rsdp;
         struct acpi_table_xsdt *xsdt;
         struct acpi_table_header *hdr;
 
@@ -87,16 +82,16 @@ const char *acpi_get_sysname(void)
                 return "dig";
         }
 
-        rsdp = (struct acpi20_table_rsdp *)__va(rsdp_phys);
-        if (strncmp(rsdp->signature, RSDP_SIG, sizeof(RSDP_SIG) - 1)) {
+        rsdp = (struct acpi_table_rsdp *)__va(rsdp_phys);
+        if (strncmp(rsdp->signature, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1)) {
                 printk(KERN_ERR
                        "ACPI 2.0 RSDP signature incorrect, default to \"dig\"\n");
                 return "dig";
         }
 
-        xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_address);
+        xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_physical_address);
         hdr = &xsdt->header;
-        if (strncmp(hdr->signature, XSDT_SIG, sizeof(XSDT_SIG) - 1)) {
+        if (strncmp(hdr->signature, ACPI_SIG_XSDT, sizeof(ACPI_SIG_XSDT) - 1)) {
                 printk(KERN_ERR
                        "ACPI 2.0 XSDT signature incorrect, default to \"dig\"\n");
                 return "dig";
@@ -169,12 +164,12 @@ struct acpi_table_madt *acpi_madt __initdata;
 static u8 has_8259;
 
 static int __init
-acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
+acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
                           const unsigned long end)
 {
-        struct acpi_table_lapic_addr_ovr *lapic;
+        struct acpi_madt_local_apic_override *lapic;
 
-        lapic = (struct acpi_table_lapic_addr_ovr *)header;
+        lapic = (struct acpi_madt_local_apic_override *)header;
 
         if (BAD_MADT_ENTRY(lapic, end))
                 return -EINVAL;
@@ -187,22 +182,19 @@ acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
 }
 
 static int __init
-acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lsapic(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_lsapic *lsapic;
+        struct acpi_madt_local_sapic *lsapic;
 
-        lsapic = (struct acpi_table_lsapic *)header;
+        lsapic = (struct acpi_madt_local_sapic *)header;
 
-        if (BAD_MADT_ENTRY(lsapic, end))
-                return -EINVAL;
+        /*Skip BAD_MADT_ENTRY check, as lsapic size could vary */
 
-        if (lsapic->flags.enabled) {
+        if (lsapic->lapic_flags & ACPI_MADT_ENABLED) {
 #ifdef CONFIG_SMP
                 smp_boot_data.cpu_phys_id[available_cpus] =
                     (lsapic->id << 8) | lsapic->eid;
 #endif
-                ia64_acpiid_to_sapicid[lsapic->acpi_id] =
-                    (lsapic->id << 8) | lsapic->eid;
                 ++available_cpus;
         }
 
@@ -211,11 +203,11 @@ acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end)
 }
 
 static int __init
-acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_lapic_nmi *lacpi_nmi;
+        struct acpi_madt_local_apic_nmi *lacpi_nmi;
 
-        lacpi_nmi = (struct acpi_table_lapic_nmi *)header;
+        lacpi_nmi = (struct acpi_madt_local_apic_nmi *)header;
 
         if (BAD_MADT_ENTRY(lacpi_nmi, end))
                 return -EINVAL;
@@ -225,11 +217,11 @@ acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
 }
 
 static int __init
-acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_iosapic(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_iosapic *iosapic;
+        struct acpi_madt_io_sapic *iosapic;
 
-        iosapic = (struct acpi_table_iosapic *)header;
+        iosapic = (struct acpi_madt_io_sapic *)header;
 
         if (BAD_MADT_ENTRY(iosapic, end))
                 return -EINVAL;
@@ -240,13 +232,13 @@ acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end)
 static unsigned int __initdata acpi_madt_rev;
 
 static int __init
-acpi_parse_plat_int_src(acpi_table_entry_header * header,
+acpi_parse_plat_int_src(struct acpi_subtable_header * header,
                         const unsigned long end)
 {
-        struct acpi_table_plat_int_src *plintsrc;
+        struct acpi_madt_interrupt_source *plintsrc;
         int vector;
 
-        plintsrc = (struct acpi_table_plat_int_src *)header;
+        plintsrc = (struct acpi_madt_interrupt_source *)header;
 
         if (BAD_MADT_ENTRY(plintsrc, end))
                 return -EINVAL;
@@ -257,19 +249,19 @@ acpi_parse_plat_int_src(acpi_table_entry_header * header,
          */
         vector = iosapic_register_platform_intr(plintsrc->type,
                                                 plintsrc->global_irq,
-                                                plintsrc->iosapic_vector,
+                                                plintsrc->io_sapic_vector,
                                                 plintsrc->eid,
                                                 plintsrc->id,
-                                                (plintsrc->flags.polarity ==
-                                                 1) ? IOSAPIC_POL_HIGH :
-                                                IOSAPIC_POL_LOW,
-                                                (plintsrc->flags.trigger ==
-                                                 1) ? IOSAPIC_EDGE :
-                                                IOSAPIC_LEVEL);
+                                                ((plintsrc->inti_flags & ACPI_MADT_POLARITY_MASK) ==
+                                                 ACPI_MADT_POLARITY_ACTIVE_HIGH) ?
+                                                IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
+                                                ((plintsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) ==
+                                                 ACPI_MADT_TRIGGER_EDGE) ?
+                                                IOSAPIC_EDGE : IOSAPIC_LEVEL);
 
         platform_intr_list[plintsrc->type] = vector;
         if (acpi_madt_rev > 1) {
-                acpi_cpei_override = plintsrc->plint_flags.cpei_override_flag;
+                acpi_cpei_override = plintsrc->flags & ACPI_MADT_CPEI_OVERRIDE;
         }
 
         /*
@@ -324,30 +316,32 @@ unsigned int get_cpei_target_cpu(void)
 }
 
 static int __init
-acpi_parse_int_src_ovr(acpi_table_entry_header * header,
+acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
                        const unsigned long end)
 {
-        struct acpi_table_int_src_ovr *p;
+        struct acpi_madt_interrupt_override *p;
 
-        p = (struct acpi_table_int_src_ovr *)header;
+        p = (struct acpi_madt_interrupt_override *)header;
 
         if (BAD_MADT_ENTRY(p, end))
                 return -EINVAL;
 
-        iosapic_override_isa_irq(p->bus_irq, p->global_irq,
-                                 (p->flags.polarity ==
-                                  1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
-                                 (p->flags.trigger ==
-                                  1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
+        iosapic_override_isa_irq(p->source_irq, p->global_irq,
+                                 ((p->inti_flags & ACPI_MADT_POLARITY_MASK) ==
+                                  ACPI_MADT_POLARITY_ACTIVE_HIGH) ?
+                                 IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
+                                 ((p->inti_flags & ACPI_MADT_TRIGGER_MASK) ==
+                                 ACPI_MADT_TRIGGER_EDGE) ?
+                                 IOSAPIC_EDGE : IOSAPIC_LEVEL);
         return 0;
 }
 
 static int __init
-acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_nmi_src *nmi_src;
+        struct acpi_madt_nmi_source *nmi_src;
 
-        nmi_src = (struct acpi_table_nmi_src *)header;
+        nmi_src = (struct acpi_madt_nmi_source *)header;
 
         if (BAD_MADT_ENTRY(nmi_src, end))
                 return -EINVAL;
@@ -371,12 +365,12 @@ static void __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
         }
 }
 
-static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_madt(struct acpi_table_header *table)
 {
-        if (!phys_addr || !size)
+        if (!table)
                 return -EINVAL;
 
-        acpi_madt = (struct acpi_table_madt *)__va(phys_addr);
+        acpi_madt = (struct acpi_table_madt *)table;
 
         acpi_madt_rev = acpi_madt->header.revision;
 
@@ -384,14 +378,14 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
 #ifdef CONFIG_ITANIUM
         has_8259 = 1;           /* Firmware on old Itanium systems is broken */
 #else
-        has_8259 = acpi_madt->flags.pcat_compat;
+        has_8259 = acpi_madt->flags & ACPI_MADT_PCAT_COMPAT;
 #endif
         iosapic_system_init(has_8259);
 
         /* Get base address of IPI Message Block */
 
-        if (acpi_madt->lapic_address)
-                ipi_base_addr = ioremap(acpi_madt->lapic_address, 0);
+        if (acpi_madt->address)
+                ipi_base_addr = ioremap(acpi_madt->address, 0);
 
         printk(KERN_INFO PREFIX "Local APIC address %p\n", ipi_base_addr);
 
@@ -413,23 +407,24 @@ static u32 __devinitdata pxm_flag[PXM_FLAG_LEN];
 #define pxm_bit_test(bit)       (test_bit(bit,(void *)pxm_flag))
 static struct acpi_table_slit __initdata *slit_table;
 
-static int get_processor_proximity_domain(struct acpi_table_processor_affinity *pa)
+static int get_processor_proximity_domain(struct acpi_srat_cpu_affinity *pa)
 {
         int pxm;
 
-        pxm = pa->proximity_domain;
+        pxm = pa->proximity_domain_lo;
         if (ia64_platform_is("sn2"))
-                pxm += pa->reserved[0] << 8;
+                pxm += pa->proximity_domain_hi[0] << 8;
         return pxm;
 }
 
-static int get_memory_proximity_domain(struct acpi_table_memory_affinity *ma)
+static int get_memory_proximity_domain(struct acpi_srat_mem_affinity *ma)
 {
         int pxm;
 
         pxm = ma->proximity_domain;
-        if (ia64_platform_is("sn2"))
-                pxm += ma->reserved1[0] << 8;
+        if (!ia64_platform_is("sn2"))
+                pxm &= 0xff;
+
         return pxm;
 }
 
@@ -442,7 +437,7 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
         u32 len;
 
         len = sizeof(struct acpi_table_header) + 8
-            + slit->localities * slit->localities;
+            + slit->locality_count * slit->locality_count;
         if (slit->header.length != len) {
                 printk(KERN_ERR
                        "ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n",
@@ -454,11 +449,11 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
 }
 
 void __init
-acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
+acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
 {
         int pxm;
 
-        if (!pa->flags.enabled)
+        if (!(pa->flags & ACPI_SRAT_CPU_ENABLED))
                 return;
 
         pxm = get_processor_proximity_domain(pa);
@@ -467,14 +462,14 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
         pxm_bit_set(pxm);
 
         node_cpuid[srat_num_cpus].phys_id =
-            (pa->apic_id << 8) | (pa->lsapic_eid);
+            (pa->apic_id << 8) | (pa->local_sapic_eid);
         /* nid should be overridden as logical node id later */
         node_cpuid[srat_num_cpus].nid = pxm;
         srat_num_cpus++;
 }
 
 void __init
-acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
+acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 {
         unsigned long paddr, size;
         int pxm;
@@ -483,13 +478,11 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
         pxm = get_memory_proximity_domain(ma);
 
         /* fill node memory chunk structure */
-        paddr = ma->base_addr_hi;
-        paddr = (paddr << 32) | ma->base_addr_lo;
-        size = ma->length_hi;
-        size = (size << 32) | ma->length_lo;
+        paddr = ma->base_address;
+        size = ma->length;
 
         /* Ignore disabled entries */
-        if (!ma->flags.enabled)
+        if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
                 return;
 
         /* record this node in proximity bitmap */
@@ -560,16 +553,16 @@ void __init acpi_numa_arch_fixup(void)
         if (!slit_table)
                 return;
         memset(numa_slit, -1, sizeof(numa_slit));
-        for (i = 0; i < slit_table->localities; i++) {
+        for (i = 0; i < slit_table->locality_count; i++) {
                 if (!pxm_bit_test(i))
                         continue;
                 node_from = pxm_to_node(i);
-                for (j = 0; j < slit_table->localities; j++) {
+                for (j = 0; j < slit_table->locality_count; j++) {
                         if (!pxm_bit_test(j))
                                 continue;
                         node_to = pxm_to_node(j);
                         node_distance(node_from, node_to) =
-                            slit_table->entry[i * slit_table->localities + j];
+                            slit_table->entry[i * slit_table->locality_count + j];
                 }
         }
 
@@ -614,21 +607,21 @@ void acpi_unregister_gsi(u32 gsi)
 
 EXPORT_SYMBOL(acpi_unregister_gsi);
 
-static int __init acpi_parse_fadt(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_fadt(struct acpi_table_header *table)
 {
         struct acpi_table_header *fadt_header;
-        struct fadt_descriptor *fadt;
+        struct acpi_table_fadt *fadt;
 
-        if (!phys_addr || !size)
+        if (!table)
                 return -EINVAL;
 
-        fadt_header = (struct acpi_table_header *)__va(phys_addr);
+        fadt_header = (struct acpi_table_header *)table;
         if (fadt_header->revision != 3)
                 return -ENODEV; /* Only deal with ACPI 2.0 FADT */
 
-        fadt = (struct fadt_descriptor *)fadt_header;
+        fadt = (struct acpi_table_fadt *)fadt_header;
 
-        acpi_register_gsi(fadt->sci_int, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
+        acpi_register_gsi(fadt->sci_interrupt, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
         return 0;
 }
 
@@ -655,7 +648,7 @@ int __init acpi_boot_init(void)
          * information -- the successor to MPS tables.
          */
 
-        if (acpi_table_parse(ACPI_APIC, acpi_parse_madt) < 1) {
+        if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt) < 1) {
                 printk(KERN_ERR PREFIX "Can't find MADT\n");
                 goto skip_madt;
         }
@@ -663,40 +656,40 @@ int __init acpi_boot_init(void)
         /* Local APIC */
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr, 0) < 0)
+            (ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, acpi_parse_lapic_addr_ovr, 0) < 0)
                 printk(KERN_ERR PREFIX
                        "Error parsing LAPIC address override entry\n");
 
-        if (acpi_table_parse_madt(ACPI_MADT_LSAPIC, acpi_parse_lsapic, NR_CPUS)
+        if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, acpi_parse_lsapic, NR_CPUS)
             < 1)
                 printk(KERN_ERR PREFIX
                        "Error parsing MADT - no LAPIC entries\n");
 
-        if (acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0)
+        if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0)
             < 0)
                 printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
 
         /* I/O APIC */
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_IOSAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
+            (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
                 printk(KERN_ERR PREFIX
                        "Error parsing MADT - no IOSAPIC entries\n");
 
         /* System-Level Interrupt Routing */
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_PLAT_INT_SRC, acpi_parse_plat_int_src,
+            (ACPI_MADT_TYPE_INTERRUPT_SOURCE, acpi_parse_plat_int_src,
              ACPI_MAX_PLATFORM_INTERRUPTS) < 0)
                 printk(KERN_ERR PREFIX
                        "Error parsing platform interrupt source entry\n");
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, 0) < 0)
+            (ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, 0) < 0)
                 printk(KERN_ERR PREFIX
                        "Error parsing interrupt source overrides entry\n");
 
-        if (acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src, 0) < 0)
+        if (acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, 0) < 0)
                 printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
       skip_madt:
 
@@ -706,7 +699,7 @@ int __init acpi_boot_init(void)
          * gets interrupts such as power and sleep buttons.  If it's not
          * on a Legacy interrupt, it needs to be setup.
          */
-        if (acpi_table_parse(ACPI_FADT, acpi_parse_fadt) < 1)
+        if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt) < 1)
                 printk(KERN_ERR PREFIX "Can't find FADT\n");
 
 #ifdef CONFIG_SMP
@@ -839,7 +832,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 {
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
         union acpi_object *obj;
-        struct acpi_table_lsapic *lsapic;
+        struct acpi_madt_local_sapic *lsapic;
         cpumask_t tmp_map;
         long physid;
         int cpu;
@@ -851,16 +844,16 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
                 return -EINVAL;
 
         obj = buffer.pointer;
-        if (obj->type != ACPI_TYPE_BUFFER ||
-            obj->buffer.length < sizeof(*lsapic)) {
+        if (obj->type != ACPI_TYPE_BUFFER)
+        {
                 kfree(buffer.pointer);
                 return -EINVAL;
         }
 
-        lsapic = (struct acpi_table_lsapic *)obj->buffer.pointer;
+        lsapic = (struct acpi_madt_local_sapic *)obj->buffer.pointer;
 
-        if ((lsapic->header.type != ACPI_MADT_LSAPIC) ||
-            (!lsapic->flags.enabled)) {
+        if ((lsapic->header.type != ACPI_MADT_TYPE_LOCAL_SAPIC) ||
+            (!lsapic->lapic_flags & ACPI_MADT_ENABLED)) {
                 kfree(buffer.pointer);
                 return -EINVAL;
         }
@@ -880,7 +873,6 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 
         cpu_set(cpu, cpu_present_map);
         ia64_cpu_to_sapicid[cpu] = physid;
-        ia64_acpiid_to_sapicid[lsapic->acpi_id] = ia64_cpu_to_sapicid[cpu];
 
         *pcpu = cpu;
         return (0);
@@ -890,14 +882,6 @@ EXPORT_SYMBOL(acpi_map_lsapic);
 
 int acpi_unmap_lsapic(int cpu)
 {
-        int i;
-
-        for (i = 0; i < MAX_SAPICS; i++) {
-                if (ia64_acpiid_to_sapicid[i] == ia64_cpu_to_sapicid[cpu]) {
-                        ia64_acpiid_to_sapicid[i] = -1;
-                        break;
-                }
-        }
         ia64_cpu_to_sapicid[cpu] = -1;
         cpu_clear(cpu, cpu_present_map);
 
@@ -917,7 +901,7 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
 {
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
         union acpi_object *obj;
-        struct acpi_table_iosapic *iosapic;
+        struct acpi_madt_io_sapic *iosapic;
         unsigned int gsi_base;
         int pxm, node;
 
@@ -935,9 +919,9 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
                 return AE_OK;
         }
 
-        iosapic = (struct acpi_table_iosapic *)obj->buffer.pointer;
+        iosapic = (struct acpi_madt_io_sapic *)obj->buffer.pointer;
 
-        if (iosapic->header.type != ACPI_MADT_IOSAPIC) {
+        if (iosapic->header.type != ACPI_MADT_TYPE_IO_SAPIC) {
                 kfree(buffer.pointer);
                 return AE_OK;
         }
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index cb96b4ea7df6..8c331ca6e5c9 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -13,6 +13,7 @@
 #include <asm/sn/sn_sal.h>
 #include "xtalk/hubdev.h"
 #include <linux/acpi.h>
+#include <acpi/acnamesp.h>
 
 
 /*
@@ -31,6 +32,12 @@ struct acpi_vendor_uuid sn_uuid = {
                     0xa2, 0x7c, 0x08, 0x00, 0x69, 0x13, 0xea, 0x51 },
 };
 
+struct sn_pcidev_match {
+        u8 bus;
+        unsigned int devfn;
+        acpi_handle handle;
+};
+
 /*
  * Perform the early IO init in PROM.
  */
@@ -119,9 +126,11 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
         status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
                                           &sn_uuid, &buffer);
         if (ACPI_FAILURE(status)) {
-                printk(KERN_ERR "get_acpi_pcibus_ptr: "
-                       "get_acpi_bussoft_info() failed: %d\n",
-                       status);
+                printk(KERN_ERR "%s: "
+                       "acpi_get_vendor_resource() failed (0x%x) for: ",
+                       __FUNCTION__, status);
+                acpi_ns_print_node_pathname(handle, NULL);
+                printk("\n");
                 return NULL;
         }
         resource = buffer.pointer;
@@ -130,8 +139,8 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
         if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
              sizeof(struct pcibus_bussoft *)) {
                 printk(KERN_ERR
-                       "get_acpi_bussoft_ptr: Invalid vendor data "
-                       "length %d\n", vendor->byte_length);
+                       "%s: Invalid vendor data length %d\n",
+                        __FUNCTION__, vendor->byte_length);
                 kfree(buffer.pointer);
                 return NULL;
         }
@@ -143,34 +152,254 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
 }
 
 /*
- * sn_acpi_bus_fixup
+ * sn_extract_device_info - Extract the pcidev_info and the sn_irq_info
+ *                          pointers from the vendor resource using the
+ *                          provided acpi handle, and copy the structures
+ *                          into the argument buffers.
  */
-void
-sn_acpi_bus_fixup(struct pci_bus *bus)
+static int
+sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
+                    struct sn_irq_info **sn_irq_info)
 {
-        struct pci_dev *pci_dev = NULL;
-        struct pcibus_bussoft *prom_bussoft_ptr;
-        extern void sn_common_bus_fixup(struct pci_bus *,
-                                        struct pcibus_bussoft *);
+        u64 addr;
+        struct acpi_buffer 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;
+        int ret = 0;
+        acpi_status status;
+        struct acpi_resource_vendor_typed *vendor;
 
-        if (!bus->parent) {     /* If root bus */
-                prom_bussoft_ptr = sn_get_bussoft_ptr(bus);
-                if (prom_bussoft_ptr == NULL) {
+        /*
+         * The pointer to this device's pcidev_info structure in
+         * the PROM, is in the vendor resource.
+         */
+        status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
+                                          &sn_uuid, &buffer);
+        if (ACPI_FAILURE(status)) {
+                printk(KERN_ERR
+                       "%s: acpi_get_vendor_resource() failed (0x%x) for: ",
+                        __FUNCTION__, status);
+                acpi_ns_print_node_pathname(handle, NULL);
+                printk("\n");
+                return 1;
+        }
+
+        resource = buffer.pointer;
+        vendor = &resource->data.vendor_typed;
+        if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
+            sizeof(struct pci_devdev_info *)) {
+                printk(KERN_ERR
+                       "%s: Invalid vendor data length: %d for: ",
+                        __FUNCTION__, vendor->byte_length);
+                acpi_ns_print_node_pathname(handle, NULL);
+                printk("\n");
+                ret = 1;
+                goto exit;
+        }
+
+        pcidev_ptr = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
+        if (!pcidev_ptr)
+                panic("%s: Unable to alloc memory for pcidev_info", __FUNCTION__);
+
+        memcpy(&addr, vendor->byte_data, sizeof(struct pcidev_info *));
+        pcidev_prom_ptr = __va(addr);
+        memcpy(pcidev_ptr, pcidev_prom_ptr, sizeof(struct pcidev_info));
+
+        /* Get the IRQ info */
+        irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
+        if (!irq_info)
+                 panic("%s: Unable to alloc memory for sn_irq_info", __FUNCTION__);
+
+        if (pcidev_ptr->pdi_sn_irq_info) {
+                irq_info_prom = __va(pcidev_ptr->pdi_sn_irq_info);
+                memcpy(irq_info, irq_info_prom, sizeof(struct sn_irq_info));
+        }
+
+        *pcidev_info = pcidev_ptr;
+        *sn_irq_info = irq_info;
+
+exit:
+        kfree(buffer.pointer);
+        return ret;
+}
+
+static unsigned int
+get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
+{
+        unsigned long adr;
+        acpi_handle child;
+        unsigned int devfn;
+        int function;
+        acpi_handle parent;
+        int slot;
+        acpi_status status;
+
+        /*
+         * Do an upward search to find the root bus device, and
+         * obtain the host devfn from the previous child device.
+         */
+        child = device_handle;
+        while (child) {
+                status = acpi_get_parent(child, &parent);
+                if (ACPI_FAILURE(status)) {
+                        printk(KERN_ERR "%s: acpi_get_parent() failed "
+                               "(0x%x) for: ", __FUNCTION__, status);
+                        acpi_ns_print_node_pathname(child, NULL);
+                        printk("\n");
+                        panic("%s: Unable to find host devfn\n", __FUNCTION__);
+                }
+                if (parent == rootbus_handle)
+                        break;
+                child = parent;
+        }
+        if (!child) {
+                printk(KERN_ERR "%s: Unable to find root bus for: ",
+                       __FUNCTION__);
+                acpi_ns_print_node_pathname(device_handle, NULL);
+                printk("\n");
+                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: ",
+                       __FUNCTION__, status);
+                acpi_ns_print_node_pathname(child, NULL);
+                printk("\n");
+                panic("%s: Unable to find host devfn\n", __FUNCTION__);
+        }
+
+        slot = (adr >> 16) & 0xffff;
+        function = adr & 0xffff;
+        devfn = PCI_DEVFN(slot, function);
+        return devfn;
+}
+
+/*
+ * find_matching_device - Callback routine to find the ACPI device
+ *                        that matches up with our pci_dev device.
+ *                        Matching is done on bus number and devfn.
+ *                        To find the bus number for a particular
+ *                        ACPI device, we must look at the _BBN method
+ *                        of its parent.
+ */
+static acpi_status
+find_matching_device(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+        unsigned long bbn = -1;
+        unsigned long adr;
+        acpi_handle parent = NULL;
+        acpi_status status;
+        unsigned int devfn;
+        int function;
+        int slot;
+        struct sn_pcidev_match *info = context;
+
+        status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL,
+                                       &adr);
+        if (ACPI_SUCCESS(status)) {
+                status = acpi_get_parent(handle, &parent);
+                if (ACPI_FAILURE(status)) {
                         printk(KERN_ERR
-                               "sn_pci_fixup_bus: 0x%04x:0x%02x Unable to "
-                               "obtain prom_bussoft_ptr\n",
-                               pci_domain_nr(bus), bus->number);
-                        return;
+                               "%s: acpi_get_parent() failed (0x%x) for: ",
+                                        __FUNCTION__, status);
+                        acpi_ns_print_node_pathname(handle, NULL);
+                        printk("\n");
+                        return AE_OK;
+                }
+                status = acpi_evaluate_integer(parent, METHOD_NAME__BBN,
+                                               NULL, &bbn);
+                if (ACPI_FAILURE(status)) {
+                        printk(KERN_ERR
+                          "%s: Failed to find _BBN in parent of: ",
+                                        __FUNCTION__);
+                        acpi_ns_print_node_pathname(handle, NULL);
+                        printk("\n");
+                        return AE_OK;
+                }
+
+                slot = (adr >> 16) & 0xffff;
+                function = adr & 0xffff;
+                devfn = PCI_DEVFN(slot, function);
+                if ((info->devfn == devfn) && (info->bus == bbn)) {
+                        /* We have a match! */
+                        info->handle = handle;
+                        return 1;
                 }
-                sn_common_bus_fixup(bus, prom_bussoft_ptr);
         }
-        list_for_each_entry(pci_dev, &bus->devices, bus_list) {
-                sn_pci_fixup_slot(pci_dev);
+        return AE_OK;
+}
+
+/*
+ * sn_acpi_get_pcidev_info - Search ACPI namespace for the acpi
+ *                           device matching the specified pci_dev,
+ *                           and return the pcidev info and irq info.
+ */
+int
+sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
+                        struct sn_irq_info **sn_irq_info)
+{
+        unsigned int host_devfn;
+        struct sn_pcidev_match pcidev_match;
+        acpi_handle rootbus_handle;
+        unsigned long segment;
+        acpi_status status;
+
+        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)) {
+                        printk(KERN_ERR
+                               "%s: Segment number mismatch, 0x%lx vs 0x%x for: ",
+                               __FUNCTION__, segment, pci_domain_nr(dev));
+                        acpi_ns_print_node_pathname(rootbus_handle, NULL);
+                        printk("\n");
+                        return 1;
+                }
+        } else {
+                printk(KERN_ERR "%s: Unable to get __SEG from: ",
+                       __FUNCTION__);
+                acpi_ns_print_node_pathname(rootbus_handle, NULL);
+                printk("\n");
+                return 1;
+        }
+
+        /*
+         * We want to search all devices in this segment/domain
+         * of the ACPI namespace for the matching ACPI device,
+         * which holds the pcidev_info pointer in its vendor resource.
+         */
+        pcidev_match.bus = dev->bus->number;
+        pcidev_match.devfn = dev->devfn;
+        pcidev_match.handle = NULL;
+
+        acpi_walk_namespace(ACPI_TYPE_DEVICE, rootbus_handle, ACPI_UINT32_MAX,
+                            find_matching_device, &pcidev_match, NULL);
+
+        if (!pcidev_match.handle) {
+                printk(KERN_ERR
+                       "%s: Could not find matching ACPI device for %s.\n",
+                       __FUNCTION__, pci_name(dev));
+                return 1;
         }
+
+        if (sn_extract_device_info(pcidev_match.handle, pcidev_info, sn_irq_info))
+                return 1;
+
+        /* Build up the pcidev_info.pdi_slot_host_handle */
+        host_devfn = get_host_devfn(pcidev_match.handle, rootbus_handle);
+        (*pcidev_info)->pdi_slot_host_handle =
+                        ((unsigned long) pci_domain_nr(dev) << 40) |
+                                        /* bus == 0 */
+                                        host_devfn;
+        return 0;
 }
 
 /*
- * sn_acpi_slot_fixup - Perform any SN specific slot fixup.
+ * sn_acpi_slot_fixup - Obtain the pcidev_info and sn_irq_info.
+ *                      Perform any SN specific slot fixup.
  *                      At present there does not appear to be
  *                      any generic way to handle a ROM image
  *                      that has been shadowed by the PROM, so
@@ -179,11 +408,18 @@ sn_acpi_bus_fixup(struct pci_bus *bus)
  */
 
 void
-sn_acpi_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
+sn_acpi_slot_fixup(struct pci_dev *dev)
 {
         void __iomem *addr;
+        struct pcidev_info *pcidev_info = NULL;
+        struct sn_irq_info *sn_irq_info = NULL;
         size_t size;
 
+        if (sn_acpi_get_pcidev_info(dev, &pcidev_info, &sn_irq_info)) {
+                panic("%s:  Failure obtaining pcidev_info for %s\n",
+                      __FUNCTION__, pci_name(dev));
+        }
+
         if (pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE]) {
                 /*
                  * A valid ROM image exists and has been shadowed by the
@@ -200,8 +436,11 @@ sn_acpi_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
                                                 (unsigned long) addr + size;
                 dev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_BIOS_COPY;
         }
+        sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info);
 }
 
+EXPORT_SYMBOL(sn_acpi_slot_fixup);
+
 static struct acpi_driver acpi_sn_hubdev_driver = {
         .name = "SGI HUBDEV Driver",
         .ids = "SGIHUB,SGITIO",
@@ -212,6 +451,33 @@ static struct acpi_driver acpi_sn_hubdev_driver = {
 
 
 /*
+ * sn_acpi_bus_fixup -  Perform SN specific setup of software structs
+ *                      (pcibus_bussoft, pcidev_info) and hardware
+ *                      registers, for the specified bus and devices under it.
+ */
+void
+sn_acpi_bus_fixup(struct pci_bus *bus)
+{
+        struct pci_dev *pci_dev = NULL;
+        struct pcibus_bussoft *prom_bussoft_ptr;
+
+        if (!bus->parent) {     /* If root bus */
+                prom_bussoft_ptr = sn_get_bussoft_ptr(bus);
+                if (prom_bussoft_ptr == NULL) {
+                        printk(KERN_ERR
+                               "%s: 0x%04x:0x%02x Unable to "
+                               "obtain prom_bussoft_ptr\n",
+                               __FUNCTION__, pci_domain_nr(bus), bus->number);
+                        return;
+                }
+                sn_common_bus_fixup(bus, prom_bussoft_ptr);
+        }
+        list_for_each_entry(pci_dev, &bus->devices, bus_list) {
+                sn_acpi_slot_fixup(pci_dev);
+        }
+}
+
+/*
  * sn_io_acpi_init - PROM has ACPI support for IO, defining at a minimum the
  *                   nodes and root buses in the DSDT. As a result, bus scanning
  *                   will be initiated by the Linux ACPI code.
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index d4dd8f4b6b8d..d48bcd83253c 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -26,14 +26,10 @@
 #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);
-extern void sn_acpi_bus_fixup(struct pci_bus *);
-extern void sn_bus_fixup(struct pci_bus *);
-extern void sn_acpi_slot_fixup(struct pci_dev *, struct pcidev_info *);
-extern void sn_more_slot_fixup(struct pci_dev *, struct pcidev_info *);
-extern void sn_legacy_pci_window_fixup(struct pci_controller *, u64, u64);
 extern void sn_io_acpi_init(void);
 extern void sn_io_init(void);
 
@@ -48,6 +44,9 @@ struct sysdata_el {
 
 int sn_ioif_inited;             /* SN I/O infrastructure initialized? */
 
+int sn_acpi_rev;                /* SN ACPI revision */
+EXPORT_SYMBOL_GPL(sn_acpi_rev);
+
 struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES];       /* indexed by asic type */
 
 /*
@@ -99,25 +98,6 @@ sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num,
 }
 
 /*
- * Retrieve the pci device information given the bus and device|function number.
- */
-static inline u64
-sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev,
-                    u64 sn_irq_info)
-{
-        struct ia64_sal_retval ret_stuff;
-        ret_stuff.status = 0;
-        ret_stuff.v0 = 0;
-
-        SAL_CALL_NOLOCK(ret_stuff,
-                        (u64) SN_SAL_IOIF_GET_PCIDEV_INFO,
-                        (u64) segment, (u64) bus_number, (u64) devfn,
-                        (u64) pci_dev,
-                        sn_irq_info, 0, 0);
-        return ret_stuff.v0;
-}
-
-/*
  * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified
  *                        device.
  */
@@ -249,50 +229,25 @@ void sn_pci_unfixup_slot(struct pci_dev *dev)
 }
 
 /*
- * sn_pci_fixup_slot() - This routine sets up a slot's resources consistent
- *                       with the Linux PCI abstraction layer. Resources
- *                       acquired from our PCI provider include PIO maps
- *                       to BAR space and interrupt objects.
+ * sn_pci_fixup_slot()
  */
-void sn_pci_fixup_slot(struct pci_dev *dev)
+void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *pcidev_info,
+                       struct sn_irq_info *sn_irq_info)
 {
         int segment = pci_domain_nr(dev->bus);
-        int status = 0;
         struct pcibus_bussoft *bs;
-        struct pci_bus *host_pci_bus;
-        struct pci_dev *host_pci_dev;
-        struct pcidev_info *pcidev_info;
-        struct sn_irq_info *sn_irq_info;
-        unsigned int bus_no, devfn;
+        struct pci_bus *host_pci_bus;
+        struct pci_dev *host_pci_dev;
+        unsigned int bus_no, devfn;
 
         pci_dev_get(dev); /* for the sysdata pointer */
-        pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
-        if (!pcidev_info)
-                BUG();          /* Cannot afford to run out of memory */
-
-        sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
-        if (!sn_irq_info)
-                BUG();          /* Cannot afford to run out of memory */
-
-        /* Call to retrieve pci device information needed by kernel. */
-        status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number,
-                                     dev->devfn,
-                                     (u64) __pa(pcidev_info),
-                                     (u64) __pa(sn_irq_info));
-        if (status)
-                BUG(); /* Cannot get platform pci device information */
 
         /* Add pcidev_info to list in pci_controller.platform_data */
         list_add_tail(&pcidev_info->pdi_list,
                       &(SN_PLATFORM_DATA(dev->bus)->pcidev_info));
-
-        if (SN_ACPI_BASE_SUPPORT())
-                sn_acpi_slot_fixup(dev, pcidev_info);
-        else
-                sn_more_slot_fixup(dev, pcidev_info);
         /*
          * Using the PROMs values for the PCI host bus, get the Linux
-         * PCI host_pci_dev struct and set up host bus linkages
+         * PCI host_pci_dev struct and set up host bus linkages
          */
 
         bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff;
@@ -489,11 +444,6 @@ void sn_generate_path(struct pci_bus *pci_bus, char *address)
                         sprintf(address, "%s^%d", address, geo_slot(geoid));
 }
 
-/*
- * sn_pci_fixup_bus() - Perform SN specific setup of software structs
- *                      (pcibus_bussoft, pcidev_info) and hardware
- *                      registers, for the specified bus and devices under it.
- */
 void __devinit
 sn_pci_fixup_bus(struct pci_bus *bus)
 {
@@ -519,6 +469,15 @@ sn_io_early_init(void)
         if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM())
                 return 0;
 
+        /* we set the acpi revision to that of the DSDT table OEM rev. */
+        {
+                struct acpi_table_header *header = NULL;
+
+                acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
+                BUG_ON(header == NULL);
+                sn_acpi_rev = header->oem_revision;
+        }
+
         /*
          * prime sn_pci_provider[].  Individial provider init routines will
          * override their respective default entries.
@@ -544,8 +503,12 @@ sn_io_early_init(void)
         register_sn_procfs();
 #endif
 
-        printk(KERN_INFO "ACPI  DSDT OEM Rev 0x%x\n",
-               acpi_gbl_DSDT->oem_revision);
+        {
+                struct acpi_table_header *header;
+                (void)acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
+                printk(KERN_INFO "ACPI  DSDT OEM Rev 0x%x\n",
+                        header->oem_revision);
+        }
         if (SN_ACPI_BASE_SUPPORT())
                 sn_io_acpi_init();
         else
@@ -605,7 +568,6 @@ sn_io_late_init(void)
 
 fs_initcall(sn_io_late_init);
 
-EXPORT_SYMBOL(sn_pci_fixup_slot);
 EXPORT_SYMBOL(sn_pci_unfixup_slot);
 EXPORT_SYMBOL(sn_bus_store_sysdata);
 EXPORT_SYMBOL(sn_bus_free_sysdata);
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 9ad843e0383b..600be3ebae05 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -56,6 +56,25 @@ static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address)
         return ret_stuff.v0;
 }
 
+/*
+ * Retrieve the pci device information given the bus and device|function number.
+ */
+static inline u64
+sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev,
+                    u64 sn_irq_info)
+{
+        struct ia64_sal_retval ret_stuff;
+        ret_stuff.status = 0;
+        ret_stuff.v0 = 0;
+
+        SAL_CALL_NOLOCK(ret_stuff,
+                        (u64) SN_SAL_IOIF_GET_PCIDEV_INFO,
+                        (u64) segment, (u64) bus_number, (u64) devfn,
+                        (u64) pci_dev,
+                        sn_irq_info, 0, 0);
+        return ret_stuff.v0;
+}
+
 
 /*
  * sn_fixup_ionodes() - This routine initializes the HUB data structure for
@@ -172,18 +191,40 @@ sn_pci_window_fixup(struct pci_dev *dev, unsigned int count,
 }
 
 /*
- * sn_more_slot_fixup() - We are not running with an ACPI capable PROM,
+ * sn_io_slot_fixup() -   We are not running with an ACPI capable PROM,
  *                        and need to convert the pci_dev->resource
  *                        'start' and 'end' addresses to mapped addresses,
  *                        and setup the pci_controller->window array entries.
  */
 void
-sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
+sn_io_slot_fixup(struct pci_dev *dev)
 {
         unsigned int count = 0;
         int idx;
         s64 pci_addrs[PCI_ROM_RESOURCE + 1];
         unsigned long addr, end, size, start;
+        struct pcidev_info *pcidev_info;
+        struct sn_irq_info *sn_irq_info;
+        int status;
+
+        pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
+        if (!pcidev_info)
+                panic("%s: Unable to alloc memory for pcidev_info", __FUNCTION__);
+
+        sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
+        if (!sn_irq_info)
+                panic("%s: Unable to alloc memory for sn_irq_info", __FUNCTION__);
+
+        /* Call to retrieve pci device information needed by kernel. */
+        status = sal_get_pcidev_info((u64) pci_domain_nr(dev),
+                (u64) dev->bus->number,
+                dev->devfn,
+                (u64) __pa(pcidev_info),
+                (u64) __pa(sn_irq_info));
+
+        if (status)
+                BUG(); /* Cannot get platform pci device information */
+
 
         /* Copy over PIO Mapped Addresses */
         for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
@@ -219,8 +260,12 @@ sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
          */
         if (count > 0)
                 sn_pci_window_fixup(dev, count, pci_addrs);
+
+        sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info);
 }
 
+EXPORT_SYMBOL(sn_io_slot_fixup);
+
 /*
  * sn_pci_controller_fixup() - This routine sets up a bus's resources
  *                             consistent with the Linux PCI abstraction layer.
@@ -272,9 +317,6 @@ sn_bus_fixup(struct pci_bus *bus)
 {
         struct pci_dev *pci_dev = NULL;
         struct pcibus_bussoft *prom_bussoft_ptr;
-        extern void sn_common_bus_fixup(struct pci_bus *,
-                                        struct pcibus_bussoft *);
-
 
         if (!bus->parent) {  /* If root bus */
                 prom_bussoft_ptr = PCI_CONTROLLER(bus)->platform_data;
@@ -291,7 +333,7 @@ sn_bus_fixup(struct pci_bus *bus)
                                            prom_bussoft_ptr->bs_legacy_mem);
         }
         list_for_each_entry(pci_dev, &bus->devices, bus_list) {
-                sn_pci_fixup_slot(pci_dev);
+                sn_io_slot_fixup(pci_dev);
         }
 
 }
diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c
index 4aa4f301d56d..ab7e2fd40798 100644
--- a/arch/ia64/sn/kernel/iomv.c
+++ b/arch/ia64/sn/kernel/iomv.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
@@ -26,9 +26,10 @@
  * @port: port to convert
  *
  * Legacy in/out instructions are converted to ld/st instructions
- * on IA64.  This routine will convert a port number into a valid 
+ * on IA64.  This routine will convert a port number into a valid
  * SN i/o address.  Used by sn_in*() and sn_out*().
  */
+
 void *sn_io_addr(unsigned long port)
 {
         if (!IS_RUNNING_ON_SIMULATOR()) {
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index 6846dc9b432d..04a8256017eb 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -20,7 +20,8 @@
 #include "xtalk/hubdev.h"
 
 int
-sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp)
+sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp,
+                      char **ssdt)
 {
         struct ia64_sal_retval ret_stuff;
         u64 busnum;
@@ -32,7 +33,8 @@ sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp)
         segment = soft->pbi_buscommon.bs_persist_segment;
         busnum = soft->pbi_buscommon.bs_persist_busnum;
         SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_SLOT_ENABLE, segment,
-                        busnum, (u64) device, (u64) resp, 0, 0, 0);
+                        busnum, (u64) device, (u64) resp, (u64)ia64_tpa(ssdt),
+                        0, 0);
 
         return (int)ret_stuff.v0;
 }
diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c
index 49802f1bee94..bd30d138113f 100644
--- a/arch/x86_64/kernel/early-quirks.c
+++ b/arch/x86_64/kernel/early-quirks.c
@@ -32,7 +32,7 @@ static void via_bugs(void)
 
 static int nvidia_hpet_detected __initdata;
 
-static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+static int __init nvidia_hpet_check(struct acpi_table_header *header)
 {
         nvidia_hpet_detected = 1;
         return 0;
@@ -53,7 +53,7 @@ static void nvidia_bugs(void)
                 return;
 
         nvidia_hpet_detected = 0;
-        acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
+        acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check);
         if (nvidia_hpet_detected == 0) {
                 acpi_skip_timer_override = 1;
                 printk(KERN_INFO "Nvidia board "
diff --git a/arch/x86_64/kernel/genapic.c b/arch/x86_64/kernel/genapic.c
index b007433f96bb..0b3603adf56d 100644
--- a/arch/x86_64/kernel/genapic.c
+++ b/arch/x86_64/kernel/genapic.c
@@ -58,8 +58,8 @@ void __init clustered_apic_check(void)
          * Some x86_64 machines use physical APIC mode regardless of how many
          * procs/clusters are present (x86_64 ES7000 is an example).
          */
-        if (acpi_fadt.revision > FADT2_REVISION_ID)
-                if (acpi_fadt.force_apic_physical_destination_mode) {
+        if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID)
+                if (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) {
                         genapic = &apic_cluster;
                         goto print;
                 }
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index 08072568847d..50dd8bef850e 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -798,7 +798,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
                 return gsi;
 
         /* Don't set up the ACPI SCI because it's already set up */
-        if (acpi_fadt.sci_int == gsi)
+        if (acpi_gbl_FADT.sci_interrupt == gsi)
                 return gsi;
 
         ioapic = mp_find_ioapic(gsi);
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 5cc76d0d331f..335cc91c49b7 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -498,7 +498,7 @@ static unsigned long get_cmos_time(void)
 {
         unsigned int year, mon, day, hour, min, sec;
         unsigned long flags;
-        unsigned extyear = 0;
+        unsigned century = 0;
 
         spin_lock_irqsave(&rtc_lock, flags);
 
@@ -510,9 +510,9 @@ static unsigned long get_cmos_time(void)
                 mon = CMOS_READ(RTC_MONTH);
                 year = CMOS_READ(RTC_YEAR);
 #ifdef CONFIG_ACPI
-                if (acpi_fadt.revision >= FADT2_REVISION_ID &&
-                                        acpi_fadt.century)
-                        extyear = CMOS_READ(acpi_fadt.century);
+                if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID &&
+                                        acpi_gbl_FADT.century)
+                        century = CMOS_READ(acpi_gbl_FADT.century);
 #endif
         } while (sec != CMOS_READ(RTC_SECONDS));
 
@@ -530,10 +530,10 @@ static unsigned long get_cmos_time(void)
         BCD_TO_BIN(mon);
         BCD_TO_BIN(year);
 
-        if (extyear) {
-                BCD_TO_BIN(extyear);
-                year += extyear;
-                printk(KERN_INFO "Extended CMOS year: %d\n", extyear);
+        if (century) {
+                BCD_TO_BIN(century);
+                year += century * 100;
+                printk(KERN_INFO "Extended CMOS year: %d\n", century * 100);
         } else { 
                 /*
                  * x86-64 systems only exists since 2002.
@@ -954,7 +954,7 @@ __cpuinit int unsynchronized_tsc(void)
         if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) {
 #ifdef CONFIG_ACPI
                 /* But TSC doesn't tick in C3 so don't use it there */
-                if (acpi_fadt.length > 0 && acpi_fadt.plvl3_lat < 1000)
+                if (acpi_gbl_FADT.header.length > 0 && acpi_gbl_FADT.C3latency < 1000)
                         return 1;
 #endif
                 return 0;
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 1087e150a218..2efe215fc76a 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -101,7 +101,7 @@ static __init inline int srat_disabled(void)
 static __init int slit_valid(struct acpi_table_slit *slit)
 {
         int i, j;
-        int d = slit->localities;
+        int d = slit->locality_count;
         for (i = 0; i < d; i++) {
                 for (j = 0; j < d; j++)  {
                         u8 val = slit->entry[d*i + j];
@@ -127,18 +127,18 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
 
 /* Callback for Proximity Domain -> LAPIC mapping */
 void __init
-acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
+acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
 {
         int pxm, node;
         if (srat_disabled())
                 return;
-        if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) {
+        if (pa->header.length != sizeof(struct acpi_srat_cpu_affinity)) {
                 bad_srat();
                 return;
         }
-        if (pa->flags.enabled == 0)
+        if ((pa->flags & ACPI_SRAT_CPU_ENABLED) == 0)
                 return;
-        pxm = pa->proximity_domain;
+        pxm = pa->proximity_domain_lo;
         node = setup_node(pxm);
         if (node < 0) {
                 printk(KERN_ERR "SRAT: Too many proximity domains %x\n", pxm);
@@ -254,21 +254,21 @@ static int reserve_hotadd(int node, unsigned long start, unsigned long end)
         /* Looks good */
 
         if (nd->start == nd->end) {
-                nd->start = start;
-                nd->end = end;
+                nd->start = start;
+                nd->end = end;
                 changed = 1;
-        } else {
-                if (nd->start == end) {
-                        nd->start = start;
+        } else {
+                if (nd->start == end) {
+                        nd->start = start;
                         changed = 1;
                 }
-                if (nd->end == start) {
-                        nd->end = end;
+                if (nd->end == start) {
+                        nd->end = end;
                         changed = 1;
                 }
                 if (!changed)
                         printk(KERN_ERR "SRAT: Hotplug zone not continuous. Partly ignored\n");
-        }
+        }
 
         ret = update_end_of_memory(nd->end);
 
@@ -279,7 +279,7 @@ static int reserve_hotadd(int node, unsigned long start, unsigned long end)
 
 /* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
 void __init
-acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
+acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 {
         struct bootnode *nd, oldnode;
         unsigned long start, end;
@@ -288,16 +288,17 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
 
         if (srat_disabled())
                 return;
-        if (ma->header.length != sizeof(struct acpi_table_memory_affinity)) {
+        if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) {
                 bad_srat();
                 return;
         }
-        if (ma->flags.enabled == 0)
+        if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0)
                 return;
-        if (ma->flags.hot_pluggable && !save_add_info())
+
+        if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info())
                 return;
-        start = ma->base_addr_lo | ((u64)ma->base_addr_hi << 32);
-        end = start + (ma->length_lo | ((u64)ma->length_hi << 32));
+        start = ma->base_address;
+        end = start + ma->length;
         pxm = ma->proximity_domain;
         node = setup_node(pxm);
         if (node < 0) {
@@ -337,7 +338,8 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
         push_node_boundaries(node, nd->start >> PAGE_SHIFT,
                                                 nd->end >> PAGE_SHIFT);
 
-        if (ma->flags.hot_pluggable && (reserve_hotadd(node, start, end) < 0)) {
+        if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) &&
+            (reserve_hotadd(node, start, end) < 0)) {
                 /* Ignore hotadd region. Undo damage */
                 printk(KERN_NOTICE "SRAT: Hotplug region ignored\n");
                 *nd = oldnode;
@@ -394,7 +396,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
 
         /* First clean up the node list */
         for (i = 0; i < MAX_NUMNODES; i++) {
-                cutoff_node(i, start, end);
+                cutoff_node(i, start, end);
                 if ((nodes[i].end - nodes[i].start) < NODE_MIN_SIZE) {
                         unparse_node(i);
                         node_set_offline(i);
@@ -426,7 +428,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
                 if (!node_online(i))
                         setup_node_bootmem(i, nodes[i].start, nodes[i].end);
 
-        for (i = 0; i < NR_CPUS; i++) { 
+        for (i = 0; i < NR_CPUS; i++) {
                 if (cpu_to_node[i] == NUMA_NO_NODE)
                         continue;
                 if (!node_isset(cpu_to_node[i], nodes_parsed))
@@ -461,7 +463,7 @@ int __node_distance(int a, int b)
 
         if (!acpi_slit)
                 return a == b ? 10 : 20;
-        index = acpi_slit->localities * node_to_pxm(a);
+        index = acpi_slit->locality_count * node_to_pxm(a);
         return acpi_slit->entry[index + node_to_pxm(b)];
 }
 
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index f8b6b2800a62..faabb6e87f12 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -1,6 +1,6 @@
 /*
  * mmconfig.c - Low-level direct PCI config space access via MMCONFIG
- * 
+ *
  * This is an 64bit optimized version that always keeps the full mmconfig
  * space mapped. This allows lockless config space operation.
  */
@@ -25,7 +25,7 @@ static DECLARE_BITMAP(fallback_slots, 32*MAX_CHECK_BUS);
 
 /* Static virtual mapping of the MMCONFIG aperture */
 struct mmcfg_virt {
-        struct acpi_table_mcfg_config *cfg;
+        struct acpi_mcfg_allocation *cfg;
         char __iomem *virt;
 };
 static struct mmcfg_virt *pci_mmcfg_virt;
@@ -33,14 +33,14 @@ static struct mmcfg_virt *pci_mmcfg_virt;
 static char __iomem *get_virt(unsigned int seg, unsigned bus)
 {
         int cfg_num = -1;
-        struct acpi_table_mcfg_config *cfg;
+        struct acpi_mcfg_allocation *cfg;
 
         while (1) {
                 ++cfg_num;
                 if (cfg_num >= pci_mmcfg_config_num)
                         break;
                 cfg = pci_mmcfg_virt[cfg_num].cfg;
-                if (cfg->pci_segment_group_number != seg)
+                if (cfg->pci_segment != seg)
                         continue;
                 if ((cfg->start_bus_number <= bus) &&
                     (cfg->end_bus_number >= bus))
@@ -52,7 +52,7 @@ static char __iomem *get_virt(unsigned int seg, unsigned bus)
            this applies to all busses. */
         cfg = &pci_mmcfg_config[0];
         if (pci_mmcfg_config_num == 1 &&
-                cfg->pci_segment_group_number == 0 &&
+                cfg->pci_segment == 0 &&
                 (cfg->start_bus_number | cfg->end_bus_number) == 0)
                 return pci_mmcfg_virt[0].virt;
 
@@ -170,19 +170,19 @@ void __init pci_mmcfg_init(int type)
         if ((pci_probe & PCI_PROBE_MMCONF) == 0)
                 return;
 
-        acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
+        acpi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg);
         if ((pci_mmcfg_config_num == 0) ||
             (pci_mmcfg_config == NULL) ||
-            (pci_mmcfg_config[0].base_address == 0))
+            (pci_mmcfg_config[0].address == 0))
                 return;
 
         /* Only do this check when type 1 works. If it doesn't work
            assume we run on a Mac and always use MCFG */
-        if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].base_address,
-                        pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
+        if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].address,
+                        pci_mmcfg_config[0].address + MMCONFIG_APER_MIN,
                         E820_RESERVED)) {
-                printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
-                                pci_mmcfg_config[0].base_address);
+                printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %lx is not E820-reserved\n",
+                                (unsigned long)pci_mmcfg_config[0].address);
                 printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
                 return;
         }
@@ -194,15 +194,16 @@ void __init pci_mmcfg_init(int type)
         }
         for (i = 0; i < pci_mmcfg_config_num; ++i) {
                 pci_mmcfg_virt[i].cfg = &pci_mmcfg_config[i];
-                pci_mmcfg_virt[i].virt = ioremap_nocache(pci_mmcfg_config[i].base_address,
+                pci_mmcfg_virt[i].virt = ioremap_nocache(pci_mmcfg_config[i].address,
                                                          MMCONFIG_APER_MAX);
                 if (!pci_mmcfg_virt[i].virt) {
                         printk(KERN_ERR "PCI: Cannot map mmconfig aperture for "
                                         "segment %d\n",
-                               pci_mmcfg_config[i].pci_segment_group_number);
+                                pci_mmcfg_config[i].pci_segment);
                         return;
                 }
-                printk(KERN_INFO "PCI: Using MMCONFIG at %x\n", pci_mmcfg_config[i].base_address);
+                printk(KERN_INFO "PCI: Using MMCONFIG at %lx\n",
+                        (unsigned long)pci_mmcfg_config[i].address);
         }
 
         unreachable_devices();
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index 396140bbbe57..31ad70a6e22e 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -26,7 +26,7 @@
  *  Pontus Fuchs   - Helper functions, cleanup
  *  Johann Wiesner - Small compile fixes
  *  John Belmonte  - ACPI code for Toshiba laptop was a good starting point.
- *  Éric Burghard  - LED display support for W1N
+ *  �ic Burghard  - LED display support for W1N
  *
  */
 
@@ -1128,7 +1128,6 @@ static int asus_model_match(char *model)
 static int asus_hotk_get_info(void)
 {
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-        struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
         union acpi_object *model = NULL;
         int bsts_result;
         char *string = NULL;
@@ -1142,11 +1141,9 @@ static int asus_hotk_get_info(void)
          * HID), this bit will be moved. A global variable asus_info contains
          * the DSDT header.
          */
-        status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
+        status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info);
         if (ACPI_FAILURE(status))
                 printk(KERN_WARNING "  Couldn't get the DSDT table header\n");
-        else
-                asus_info = dsdt.pointer;
 
         /* We have to write 0 on init this far for all ASUS models */
         if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
@@ -1358,8 +1355,6 @@ static void __exit asus_acpi_exit(void)
         acpi_bus_unregister_driver(&asus_hotk_driver);
         remove_proc_entry(PROC_ASUS, acpi_root_dir);
 
-        kfree(asus_info);
-
         return;
 }
 
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index f9c972b26f4f..f289fd41e77d 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -44,7 +44,7 @@ struct acpi_blacklist_item {
         char oem_id[7];
         char oem_table_id[9];
         u32 oem_revision;
-        acpi_table_type table;
+        char *table;
         enum acpi_blacklist_predicates oem_revision_predicate;
         char *reason;
         u32 is_critical_error;
@@ -56,18 +56,18 @@ struct acpi_blacklist_item {
  */
 static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
         /* Compaq Presario 1700 */
-        {"PTLTD ", "  DSDT  ", 0x06040000, ACPI_DSDT, less_than_or_equal,
+        {"PTLTD ", "  DSDT  ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
          "Multiple problems", 1},
         /* Sony FX120, FX140, FX150? */
-        {"SONY  ", "U0      ", 0x20010313, ACPI_DSDT, less_than_or_equal,
+        {"SONY  ", "U0      ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
          "ACPI driver problem", 1},
         /* Compaq Presario 800, Insyde BIOS */
-        {"INT440", "SYSFexxx", 0x00001001, ACPI_DSDT, less_than_or_equal,
+        {"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
          "Does not use _REG to protect EC OpRegions", 1},
         /* IBM 600E - _ADR should return 7, but it returns 1 */
-        {"IBM   ", "TP600E  ", 0x00000105, ACPI_DSDT, less_than_or_equal,
+        {"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
          "Incorrect _ADR", 1},
-        {"ASUS\0\0", "P2B-S   ", 0, ACPI_DSDT, all_versions,
+        {"ASUS\0\0", "P2B-S   ", 0, ACPI_SIG_DSDT, all_versions,
          "Bogus PCI routing", 1},
 
         {""}
@@ -79,7 +79,7 @@ static int __init blacklist_by_year(void)
 {
         int year = dmi_get_year(DMI_BIOS_DATE);
         /* Doesn't exist? Likely an old system */
-        if (year == -1) 
+        if (year == -1)
                 return 1;
         /* 0? Likely a buggy new BIOS */
         if (year == 0)
@@ -103,22 +103,21 @@ int __init acpi_blacklisted(void)
 {
         int i = 0;
         int blacklisted = 0;
-        struct acpi_table_header *table_header;
+        struct acpi_table_header table_header;
 
         while (acpi_blacklist[i].oem_id[0] != '\0') {
-                if (acpi_get_table_header_early
-                    (acpi_blacklist[i].table, &table_header)) {
+                if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
                         i++;
                         continue;
                 }
 
-                if (strncmp(acpi_blacklist[i].oem_id, table_header->oem_id, 6)) {
+                if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
                         i++;
                         continue;
                 }
 
                 if (strncmp
-                    (acpi_blacklist[i].oem_table_id, table_header->oem_table_id,
+                    (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
                      8)) {
                         i++;
                         continue;
@@ -127,14 +126,14 @@ int __init acpi_blacklisted(void)
                 if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
                     || (acpi_blacklist[i].oem_revision_predicate ==
                         less_than_or_equal
-                        && table_header->oem_revision <=
+                        && table_header.oem_revision <=
                         acpi_blacklist[i].oem_revision)
                     || (acpi_blacklist[i].oem_revision_predicate ==
                         greater_than_or_equal
-                        && table_header->oem_revision >=
+                        && table_header.oem_revision >=
                         acpi_blacklist[i].oem_revision)
                     || (acpi_blacklist[i].oem_revision_predicate == equal
-                        && table_header->oem_revision ==
+                        && table_header.oem_revision ==
                         acpi_blacklist[i].oem_revision)) {
 
                         printk(KERN_ERR PREFIX
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 766332e45592..15d677e6cee9 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -44,9 +44,6 @@ ACPI_MODULE_NAME("acpi_bus")
 extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
 #endif
 
-struct fadt_descriptor acpi_fadt;
-EXPORT_SYMBOL(acpi_fadt);
-
 struct acpi_device *acpi_root;
 struct proc_dir_entry *acpi_root_dir;
 EXPORT_SYMBOL(acpi_root_dir);
@@ -582,11 +579,12 @@ static int __init acpi_bus_init_irq(void)
         return 0;
 }
 
+acpi_native_uint acpi_gbl_permanent_mmap;
+
+
 void __init acpi_early_init(void)
 {
         acpi_status status = AE_OK;
-        struct acpi_buffer buffer = { sizeof(acpi_fadt), &acpi_fadt };
-
 
         if (acpi_disabled)
                 return;
@@ -597,6 +595,15 @@ void __init acpi_early_init(void)
         if (!acpi_strict)
                 acpi_gbl_enable_interpreter_slack = TRUE;
 
+        acpi_gbl_permanent_mmap = 1;
+
+        status = acpi_reallocate_root_table();
+        if (ACPI_FAILURE(status)) {
+                printk(KERN_ERR PREFIX
+                       "Unable to reallocate ACPI tables\n");
+                goto error0;
+        }
+
         status = acpi_initialize_subsystem();
         if (ACPI_FAILURE(status)) {
                 printk(KERN_ERR PREFIX
@@ -611,32 +618,25 @@ void __init acpi_early_init(void)
                 goto error0;
         }
 
-        /*
-         * Get a separate copy of the FADT for use by other drivers.
-         */
-        status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &buffer);
-        if (ACPI_FAILURE(status)) {
-                printk(KERN_ERR PREFIX "Unable to get the FADT\n");
-                goto error0;
-        }
 #ifdef CONFIG_X86
         if (!acpi_ioapic) {
-                extern acpi_interrupt_flags acpi_sci_flags;
+                extern u8 acpi_sci_flags;
 
                 /* compatible (0) means level (3) */
-                if (acpi_sci_flags.trigger == 0)
-                        acpi_sci_flags.trigger = 3;
-
+                if (!(acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)) {
+                        acpi_sci_flags &= ~ACPI_MADT_TRIGGER_MASK;
+                        acpi_sci_flags |= ACPI_MADT_TRIGGER_LEVEL;
+                }
                 /* Set PIC-mode SCI trigger type */
-                acpi_pic_sci_set_trigger(acpi_fadt.sci_int,
-                                         acpi_sci_flags.trigger);
+                acpi_pic_sci_set_trigger(acpi_gbl_FADT.sci_interrupt,
+                                         (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
         } else {
                 extern int acpi_sci_override_gsi;
                 /*
-                 * now that acpi_fadt is initialized,
+                 * now that acpi_gbl_FADT is initialized,
                  * update it with result from INT_SRC_OVR parsing
                  */
-                acpi_fadt.sci_int = acpi_sci_override_gsi;
+                acpi_gbl_FADT.sci_interrupt = acpi_sci_override_gsi;
         }
 #endif
 
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
index a6d77efb41a0..f049639bac35 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/dispatcher/dsfield.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -133,7 +133,8 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
                 }
         }
 
-        /* We could put the returned object (Node) on the object stack for later,
+        /*
+         * We could put the returned object (Node) on the object stack for later,
          * but for now, we will put it in the "op" object that the parser uses,
          * so we can get it again at the end of this scope
          */
@@ -514,8 +515,33 @@ acpi_ds_create_bank_field(union acpi_parse_object *op,
 
         /* Third arg is the bank_value */
 
+        /* TBD: This arg is a term_arg, not a constant, and must be evaluated */
+
         arg = arg->common.next;
-        info.bank_value = (u32) arg->common.value.integer;
+
+        /* Currently, only the following constants are supported */
+
+        switch (arg->common.aml_opcode) {
+        case AML_ZERO_OP:
+                info.bank_value = 0;
+                break;
+
+        case AML_ONE_OP:
+                info.bank_value = 1;
+                break;
+
+        case AML_BYTE_OP:
+        case AML_WORD_OP:
+        case AML_DWORD_OP:
+        case AML_QWORD_OP:
+                info.bank_value = (u32) arg->common.value.integer;
+                break;
+
+        default:
+                info.bank_value = 0;
+                ACPI_ERROR((AE_INFO,
+                            "Non-constant BankValue for BankField is not implemented"));
+        }
 
         /* Fourth arg is the field flags */
 
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index 1888c055d10f..af923c388520 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
 #include <acpi/acpi.h>
 #include <acpi/acdispat.h>
 #include <acpi/acnamesp.h>
+#include <acpi/actables.h>
 
 #define _COMPONENT          ACPI_DISPATCHER
 ACPI_MODULE_NAME("dsinit")
@@ -90,7 +91,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
          * We are only interested in NS nodes owned by the table that
          * was just loaded
          */
-        if (node->owner_id != info->table_desc->owner_id) {
+        if (node->owner_id != info->owner_id) {
                 return (AE_OK);
         }
 
@@ -150,14 +151,21 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
  ******************************************************************************/
 
 acpi_status
-acpi_ds_initialize_objects(struct acpi_table_desc * table_desc,
+acpi_ds_initialize_objects(acpi_native_uint table_index,
                            struct acpi_namespace_node * start_node)
 {
         acpi_status status;
         struct acpi_init_walk_info info;
+        struct acpi_table_header *table;
+        acpi_owner_id owner_id;
 
         ACPI_FUNCTION_TRACE(ds_initialize_objects);
 
+        status = acpi_tb_get_owner_id(table_index, &owner_id);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
                           "**** Starting initialization of namespace objects ****\n"));
         ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "Parsing all Control Methods:"));
@@ -166,7 +174,8 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc,
         info.op_region_count = 0;
         info.object_count = 0;
         info.device_count = 0;
-        info.table_desc = table_desc;
+        info.table_index = table_index;
+        info.owner_id = owner_id;
 
         /* Walk entire namespace from the supplied root */
 
@@ -176,10 +185,14 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc,
                 ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
         }
 
+        status = acpi_get_table_by_index(table_index, &table);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
                               "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
-                              table_desc->pointer->signature,
-                              table_desc->owner_id, info.object_count,
+                              table->signature, owner_id, info.object_count,
                               info.device_count, info.method_count,
                               info.op_region_count));
 
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index cf888add3191..1cbe61905824 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -327,7 +327,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
         ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state);
 
         ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-                          "Execute method %p, currentstate=%p\n",
+                          "Calling method %p, currentstate=%p\n",
                           this_walk_state->prev_op, this_walk_state));
 
         /*
@@ -351,49 +351,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
                 return_ACPI_STATUS(status);
         }
 
-        /*
-         * 1) Parse the method. All "normal" methods are parsed for each execution.
-         * Internal methods (_OSI, etc.) do not require parsing.
-         */
-        if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) {
-
-                /* Create a new walk state for the parse */
-
-                next_walk_state =
-                    acpi_ds_create_walk_state(obj_desc->method.owner_id, op,
-                                              obj_desc, NULL);
-                if (!next_walk_state) {
-                        status = AE_NO_MEMORY;
-                        goto cleanup;
-                }
-
-                /* Create and init a parse tree root */
-
-                op = acpi_ps_create_scope_op();
-                if (!op) {
-                        status = AE_NO_MEMORY;
-                        goto cleanup;
-                }
-
-                status = acpi_ds_init_aml_walk(next_walk_state, op, method_node,
-                                               obj_desc->method.aml_start,
-                                               obj_desc->method.aml_length,
-                                               NULL, 1);
-                if (ACPI_FAILURE(status)) {
-                        acpi_ps_delete_parse_tree(op);
-                        goto cleanup;
-                }
-
-                /* Begin AML parse (deletes next_walk_state) */
-
-                status = acpi_ps_parse_aml(next_walk_state);
-                acpi_ps_delete_parse_tree(op);
-                if (ACPI_FAILURE(status)) {
-                        goto cleanup;
-                }
-        }
-
-        /* 2) Begin method execution. Create a new walk state */
+        /* Begin method parse/execution. Create a new walk state */
 
         next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id,
                                                     NULL, obj_desc, thread);
@@ -424,7 +382,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
 
         status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node,
                                        obj_desc->method.aml_start,
-                                       obj_desc->method.aml_length, info, 3);
+                                       obj_desc->method.aml_length, info,
+                                       ACPI_IMODE_EXECUTE);
 
         ACPI_FREE(info);
         if (ACPI_FAILURE(status)) {
@@ -445,8 +404,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
         this_walk_state->num_operands = 0;
 
         ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-                          "Starting nested execution, newstate=%p\n",
-                          next_walk_state));
+                          "**** Begin nested execution of [%4.4s] **** WalkState=%p\n",
+                          method_node->name.ascii, next_walk_state));
 
         /* Invoke an internal method if necessary */
 
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index 459160ff9058..ba4626e06a5e 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index 72190abb1d59..a474ca2334d5 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -260,7 +260,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
         }
 
         obj_desc->buffer.flags |= AOPOBJ_DATA_VALID;
-        op->common.node = (struct acpi_namespace_node *)obj_desc;
+        op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
         return_ACPI_STATUS(AE_OK);
 }
 
@@ -270,7 +270,8 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
  *
  * PARAMETERS:  walk_state      - Current walk state
  *              Op              - Parser object to be translated
- *              package_length  - Number of elements in the package
+ *              element_count   - Number of elements in the package - this is
+ *                                the num_elements argument to Package()
  *              obj_desc_ptr    - Where the ACPI internal object is returned
  *
  * RETURN:      Status
@@ -278,18 +279,29 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
  * DESCRIPTION: Translate a parser Op package object to the equivalent
  *              namespace object
  *
+ * NOTE: The number of elements in the package will be always be the num_elements
+ * count, regardless of the number of elements in the package list. If
+ * num_elements is smaller, only that many package list elements are used.
+ * if num_elements is larger, the Package object is padded out with
+ * objects of type Uninitialized (as per ACPI spec.)
+ *
+ * Even though the ASL compilers do not allow num_elements to be smaller
+ * than the Package list length (for the fixed length package opcode), some
+ * BIOS code modifies the AML on the fly to adjust the num_elements, and
+ * this code compensates for that. This also provides compatibility with
+ * other AML interpreters.
+ *
  ******************************************************************************/
 
 acpi_status
 acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
                                    union acpi_parse_object *op,
-                                   u32 package_length,
+                                   u32 element_count,
                                    union acpi_operand_object **obj_desc_ptr)
 {
         union acpi_parse_object *arg;
         union acpi_parse_object *parent;
         union acpi_operand_object *obj_desc = NULL;
-        u32 package_list_length;
         acpi_status status = AE_OK;
         acpi_native_uint i;
 
@@ -318,32 +330,13 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
                 obj_desc->package.node = parent->common.node;
         }
 
-        obj_desc->package.count = package_length;
-
-        /* Count the number of items in the package list */
-
-        arg = op->common.value.arg;
-        arg = arg->common.next;
-        for (package_list_length = 0; arg; package_list_length++) {
-                arg = arg->common.next;
-        }
-
-        /*
-         * The package length (number of elements) will be the greater
-         * of the specified length and the length of the initializer list
-         */
-        if (package_list_length > package_length) {
-                obj_desc->package.count = package_list_length;
-        }
-
         /*
-         * Allocate the pointer array (array of pointers to the
-         * individual objects). Add an extra pointer slot so
-         * that the list is always null terminated.
+         * Allocate the element array (array of pointers to the individual
+         * objects) based on the num_elements parameter. Add an extra pointer slot
+         * so that the list is always null terminated.
          */
         obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
-                                                           obj_desc->package.
-                                                           count +
+                                                           element_count +
                                                            1) * sizeof(void *));
 
         if (!obj_desc->package.elements) {
@@ -351,15 +344,20 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
                 return_ACPI_STATUS(AE_NO_MEMORY);
         }
 
+        obj_desc->package.count = element_count;
+
         /*
-         * Initialize all elements of the package
+         * Initialize the elements of the package, up to the num_elements count.
+         * Package is automatically padded with uninitialized (NULL) elements
+         * if num_elements is greater than the package list length. Likewise,
+         * Package is truncated if num_elements is less than the list length.
          */
         arg = op->common.value.arg;
         arg = arg->common.next;
-        for (i = 0; arg; i++) {
+        for (i = 0; arg && (i < element_count); i++) {
                 if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
 
-                        /* Object (package or buffer) is already built */
+                        /* This package element is already built, just get it */
 
                         obj_desc->package.elements[i] =
                             ACPI_CAST_PTR(union acpi_operand_object,
@@ -373,8 +371,14 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
                 arg = arg->common.next;
         }
 
+        if (!arg) {
+                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+                                  "Package List length larger than NumElements count (%X), truncated\n",
+                                  element_count));
+        }
+
         obj_desc->package.flags |= AOPOBJ_DATA_VALID;
-        op->common.node = (struct acpi_namespace_node *)obj_desc;
+        op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
         return_ACPI_STATUS(status);
 }
 
@@ -488,8 +492,9 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
                 /*
                  * Defer evaluation of Buffer term_arg operand
                  */
-                obj_desc->buffer.node = (struct acpi_namespace_node *)
-                    walk_state->operands[0];
+                obj_desc->buffer.node =
+                    ACPI_CAST_PTR(struct acpi_namespace_node,
+                                  walk_state->operands[0]);
                 obj_desc->buffer.aml_start = op->named.data;
                 obj_desc->buffer.aml_length = op->named.length;
                 break;
@@ -499,8 +504,9 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
                 /*
                  * Defer evaluation of Package term_arg operand
                  */
-                obj_desc->package.node = (struct acpi_namespace_node *)
-                    walk_state->operands[0];
+                obj_desc->package.node =
+                    ACPI_CAST_PTR(struct acpi_namespace_node,
+                                  walk_state->operands[0]);
                 obj_desc->package.aml_start = op->named.data;
                 obj_desc->package.aml_length = op->named.length;
                 break;
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index 5b974a8fe614..6c6104a7a247 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -114,7 +114,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node,
         }
 
         status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
-                                       aml_length, NULL, 1);
+                                       aml_length, NULL, ACPI_IMODE_LOAD_PASS1);
         if (ACPI_FAILURE(status)) {
                 acpi_ds_delete_walk_state(walk_state);
                 goto cleanup;
@@ -157,7 +157,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node,
         /* Execute the opcode and arguments */
 
         status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
-                                       aml_length, NULL, 3);
+                                       aml_length, NULL, ACPI_IMODE_EXECUTE);
         if (ACPI_FAILURE(status)) {
                 acpi_ds_delete_walk_state(walk_state);
                 goto cleanup;
diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c
index 05230baf5de8..e4073e05a75c 100644
--- a/drivers/acpi/dispatcher/dsutils.c
+++ b/drivers/acpi/dispatcher/dsutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index d7a616c3104e..69693fa07224 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -219,7 +219,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
         if (!op) {
                 status = acpi_ds_load2_begin_op(walk_state, out_op);
                 if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
+                        goto error_exit;
                 }
 
                 op = *out_op;
@@ -238,7 +238,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
 
                         status = acpi_ds_scope_stack_pop(walk_state);
                         if (ACPI_FAILURE(status)) {
-                                return_ACPI_STATUS(status);
+                                goto error_exit;
                         }
                 }
         }
@@ -287,7 +287,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
 
                 status = acpi_ds_result_stack_push(walk_state);
                 if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
+                        goto error_exit;
                 }
 
                 status = acpi_ds_exec_begin_control_op(walk_state, op);
@@ -328,6 +328,10 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
         /* Nothing to do here during method execution */
 
         return_ACPI_STATUS(status);
+
+      error_exit:
+        status = acpi_ds_method_error(status, walk_state);
+        return_ACPI_STATUS(status);
 }
 
 /*****************************************************************************
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index e3ca7f6539c1..8ab9d1b29a4c 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -196,6 +196,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
                  * one of the opcodes that actually opens a scope
                  */
                 switch (node->type) {
+                case ACPI_TYPE_ANY:
                 case ACPI_TYPE_LOCAL_SCOPE:     /* Scope  */
                 case ACPI_TYPE_DEVICE:
                 case ACPI_TYPE_POWER:
@@ -546,6 +547,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
         acpi_status status;
         acpi_object_type object_type;
         char *buffer_ptr;
+        u32 flags;
 
         ACPI_FUNCTION_TRACE(ds_load2_begin_op);
 
@@ -669,6 +671,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
                  * one of the opcodes that actually opens a scope
                  */
                 switch (node->type) {
+                case ACPI_TYPE_ANY:
                 case ACPI_TYPE_LOCAL_SCOPE:     /* Scope */
                 case ACPI_TYPE_DEVICE:
                 case ACPI_TYPE_POWER:
@@ -750,12 +753,20 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
                         break;
                 }
 
-                /* Add new entry into namespace */
+                flags = ACPI_NS_NO_UPSEARCH;
+                if (walk_state->pass_number == ACPI_IMODE_EXECUTE) {
+
+                        /* Execution mode, node cannot already exist, node is temporary */
+
+                        flags |= (ACPI_NS_ERROR_IF_FOUND | ACPI_NS_TEMPORARY);
+                }
+
+                /* Add new entry or lookup existing entry */
 
                 status =
                     acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
-                                   object_type, ACPI_IMODE_LOAD_PASS2,
-                                   ACPI_NS_NO_UPSEARCH, walk_state, &(node));
+                                   object_type, ACPI_IMODE_LOAD_PASS2, flags,
+                                   walk_state, &node);
                 break;
         }
 
diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c
index c9228972f5f6..3927c495e4bf 100644
--- a/drivers/acpi/dispatcher/dswscope.c
+++ b/drivers/acpi/dispatcher/dswscope.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index 7817e5522679..16c8e38b51ef 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index cbdf031f3c09..743ce27fa0bb 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -872,9 +872,8 @@ static int __init acpi_ec_get_real_ecdt(void)
         acpi_status status;
         struct acpi_table_ecdt *ecdt_ptr;
 
-        status = acpi_get_firmware_table("ECDT", 1, ACPI_LOGICAL_ADDRESSING,
-                                         (struct acpi_table_header **)
-                                         &ecdt_ptr);
+        status = acpi_get_table(ACPI_SIG_ECDT, 1,
+                                (struct acpi_table_header **)&ecdt_ptr);
         if (ACPI_FAILURE(status))
                 return -ENODEV;
 
@@ -891,14 +890,14 @@ static int __init acpi_ec_get_real_ecdt(void)
         if (acpi_ec_mode == EC_INTR) {
                 init_waitqueue_head(&ec_ecdt->wait);
         }
-        ec_ecdt->command_addr = ecdt_ptr->ec_control.address;
-        ec_ecdt->data_addr = ecdt_ptr->ec_data.address;
-        ec_ecdt->gpe = ecdt_ptr->gpe_bit;
+        ec_ecdt->command_addr = ecdt_ptr->control.address;
+        ec_ecdt->data_addr = ecdt_ptr->data.address;
+        ec_ecdt->gpe = ecdt_ptr->gpe;
         /* use the GL just to be safe */
         ec_ecdt->global_lock = TRUE;
         ec_ecdt->uid = ecdt_ptr->uid;
 
-        status = acpi_get_handle(NULL, ecdt_ptr->ec_id, &ec_ecdt->handle);
+        status = acpi_get_handle(NULL, ecdt_ptr->id, &ec_ecdt->handle);
         if (ACPI_FAILURE(status)) {
                 goto error;
         }
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
index 919037d6acff..a1f87b5def2a 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/events/evevent.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -70,13 +70,6 @@ acpi_status acpi_ev_initialize_events(void)
 
         ACPI_FUNCTION_TRACE(ev_initialize_events);
 
-        /* Make sure we have ACPI tables */
-
-        if (!acpi_gbl_DSDT) {
-                ACPI_WARNING((AE_INFO, "No ACPI tables present!"));
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
         /*
          * Initialize the Fixed and General Purpose Events. This is done prior to
          * enabling SCIs to prevent interrupts from occurring before the handlers are
@@ -211,8 +204,7 @@ static acpi_status acpi_ev_fixed_event_initialize(void)
                 if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) {
                         status =
                             acpi_set_register(acpi_gbl_fixed_event_info[i].
-                                              enable_register_id, 0,
-                                              ACPI_MTX_LOCK);
+                                              enable_register_id, 0);
                         if (ACPI_FAILURE(status)) {
                                 return (status);
                         }
@@ -298,7 +290,7 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event)
         /* Clear the status bit */
 
         (void)acpi_set_register(acpi_gbl_fixed_event_info[event].
-                                status_register_id, 1, ACPI_MTX_DO_NOT_LOCK);
+                                status_register_id, 1);
 
         /*
          * Make sure we've got a handler.  If not, report an error.
@@ -306,8 +298,7 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event)
          */
         if (NULL == acpi_gbl_fixed_event_handlers[event].handler) {
                 (void)acpi_set_register(acpi_gbl_fixed_event_info[event].
-                                        enable_register_id, 0,
-                                        ACPI_MTX_DO_NOT_LOCK);
+                                        enable_register_id, 0);
 
                 ACPI_ERROR((AE_INFO,
                             "No installed handler for fixed event [%08X]",
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index c76c0583ca6a..dfac3ecc596e 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -121,7 +121,9 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
         if (!gpe_register_info) {
                 return_ACPI_STATUS(AE_NOT_EXIST);
         }
-        register_bit = gpe_event_info->register_bit;
+        register_bit = (u8)
+            (1 <<
+             (gpe_event_info->gpe_number - gpe_register_info->base_gpe_number));
 
         /* 1) Disable case.  Simply clear all enable bits */
 
@@ -458,8 +460,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
 
                                 /* Examine one GPE bit */
 
-                                if (enabled_status_byte &
-                                    acpi_gbl_decode_to8bit[j]) {
+                                if (enabled_status_byte & (1 << j)) {
                                         /*
                                          * Found an active GPE. Dispatch the event to a handler
                                          * or method.
@@ -570,7 +571,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
 
                 if (ACPI_FAILURE(status)) {
                         ACPI_EXCEPTION((AE_INFO, status,
-                                        "While evaluating GPE method [%4.4s]",
+                                        "while evaluating GPE method [%4.4s]",
                                         acpi_ut_get_node_name
                                         (local_gpe_event_info.dispatch.
                                          method_node)));
@@ -618,6 +619,8 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
 
         ACPI_FUNCTION_TRACE(ev_gpe_dispatch);
 
+        acpi_gpe_count++;
+
         /*
          * If edge-triggered, clear the GPE status bit now.  Note that
          * level-triggered events are cleared after the GPE is serviced.
@@ -633,20 +636,23 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
                 }
         }
 
-        /* Save current system state */
-
-        if (acpi_gbl_system_awake_and_running) {
-                ACPI_SET_BIT(gpe_event_info->flags, ACPI_GPE_SYSTEM_RUNNING);
-        } else {
-                ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_SYSTEM_RUNNING);
+        if (!acpi_gbl_system_awake_and_running) {
+                /*
+                 * We just woke up because of a wake GPE. Disable any further GPEs
+                 * until we are fully up and running (Only wake GPEs should be enabled
+                 * at this time, but we just brute-force disable them all.)
+                 * 1) We must disable this particular wake GPE so it won't fire again
+                 * 2) We want to disable all wake GPEs, since we are now awake
+                 */
+                (void)acpi_hw_disable_all_gpes();
         }
 
         /*
-         * Dispatch the GPE to either an installed handler, or the control
-         * method associated with this GPE (_Lxx or _Exx).
-         * If a handler exists, we invoke it and do not attempt to run the method.
-         * If there is neither a handler nor a method, we disable the level to
-         * prevent further events from coming in here.
+         * Dispatch the GPE to either an installed handler, or the control method
+         * associated with this GPE (_Lxx or _Exx). If a handler exists, we invoke
+         * it and do not attempt to run the method. If there is neither a handler
+         * nor a method, we disable this GPE to prevent further such pointless
+         * events from firing.
          */
         switch (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) {
         case ACPI_GPE_DISPATCH_HANDLER:
@@ -677,8 +683,8 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
         case ACPI_GPE_DISPATCH_METHOD:
 
                 /*
-                 * Disable GPE, so it doesn't keep firing before the method has a
-                 * chance to run.
+                 * Disable the GPE, so it doesn't keep firing before the method has a
+                 * chance to run (it runs asynchronously with interrupts enabled).
                  */
                 status = acpi_ev_disable_gpe(gpe_event_info);
                 if (ACPI_FAILURE(status)) {
@@ -711,7 +717,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
                             gpe_number));
 
                 /*
-                 * Disable the GPE.  The GPE will remain disabled until the ACPI
+                 * Disable the GPE. The GPE will remain disabled until the ACPI
                  * Core Subsystem is restarted, or a handler is installed.
                  */
                 status = acpi_ev_disable_gpe(gpe_event_info);
@@ -726,50 +732,3 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
 
         return_UINT32(ACPI_INTERRUPT_HANDLED);
 }
-
-#ifdef ACPI_GPE_NOTIFY_CHECK
-/*******************************************************************************
- * TBD: NOT USED, PROTOTYPE ONLY AND WILL PROBABLY BE REMOVED
- *
- * FUNCTION:    acpi_ev_check_for_wake_only_gpe
- *
- * PARAMETERS:  gpe_event_info  - info for this GPE
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Determine if a a GPE is "wake-only".
- *
- *              Called from Notify() code in interpreter when a "DeviceWake"
- *              Notify comes in.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info)
-{
-        acpi_status status;
-
-        ACPI_FUNCTION_TRACE(ev_check_for_wake_only_gpe);
-
-        if ((gpe_event_info) && /* Only >0 for _Lxx/_Exx */
-            ((gpe_event_info->flags & ACPI_GPE_SYSTEM_MASK) == ACPI_GPE_SYSTEM_RUNNING)) {      /* System state at GPE time */
-                /* This must be a wake-only GPE, disable it */
-
-                status = acpi_ev_disable_gpe(gpe_event_info);
-
-                /* Set GPE to wake-only.  Do not change wake disabled/enabled status */
-
-                acpi_ev_set_gpe_type(gpe_event_info, ACPI_GPE_TYPE_WAKE);
-
-                ACPI_INFO((AE_INFO,
-                           "GPE %p was updated from wake/run to wake-only",
-                           gpe_event_info));
-
-                /* This was a wake-only GPE */
-
-                return_ACPI_STATUS(AE_WAKE_ONLY_GPE);
-        }
-
-        return_ACPI_STATUS(AE_OK);
-}
-#endif
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index 95ddeb48bc0f..ad5bc76edf46 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -529,7 +529,7 @@ static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
 
         /* Install new interrupt handler if not SCI_INT */
 
-        if (interrupt_number != acpi_gbl_FADT->sci_int) {
+        if (interrupt_number != acpi_gbl_FADT.sci_interrupt) {
                 status = acpi_os_install_interrupt_handler(interrupt_number,
                                                            acpi_ev_gpe_xrupt_handler,
                                                            gpe_xrupt);
@@ -567,7 +567,7 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
 
         /* We never want to remove the SCI interrupt handler */
 
-        if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) {
+        if (gpe_xrupt->interrupt_number == acpi_gbl_FADT.sci_interrupt) {
                 gpe_xrupt->gpe_block_list_head = NULL;
                 return_ACPI_STATUS(AE_OK);
         }
@@ -796,30 +796,31 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
                     (u8) (gpe_block->block_base_number +
                           (i * ACPI_GPE_REGISTER_WIDTH));
 
-                ACPI_STORE_ADDRESS(this_register->status_address.address,
-                                   (gpe_block->block_address.address + i));
+                this_register->status_address.address =
+                    gpe_block->block_address.address + i;
 
-                ACPI_STORE_ADDRESS(this_register->enable_address.address,
-                                   (gpe_block->block_address.address
-                                    + i + gpe_block->register_count));
+                this_register->enable_address.address =
+                    gpe_block->block_address.address + i +
+                    gpe_block->register_count;
 
-                this_register->status_address.address_space_id =
-                    gpe_block->block_address.address_space_id;
-                this_register->enable_address.address_space_id =
-                    gpe_block->block_address.address_space_id;
-                this_register->status_address.register_bit_width =
+                this_register->status_address.space_id =
+                    gpe_block->block_address.space_id;
+                this_register->enable_address.space_id =
+                    gpe_block->block_address.space_id;
+                this_register->status_address.bit_width =
                     ACPI_GPE_REGISTER_WIDTH;
-                this_register->enable_address.register_bit_width =
+                this_register->enable_address.bit_width =
                     ACPI_GPE_REGISTER_WIDTH;
-                this_register->status_address.register_bit_offset =
+                this_register->status_address.bit_offset =
                     ACPI_GPE_REGISTER_WIDTH;
-                this_register->enable_address.register_bit_offset =
+                this_register->enable_address.bit_offset =
                     ACPI_GPE_REGISTER_WIDTH;
 
                 /* Init the event_info for each GPE within this register */
 
                 for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
-                        this_event->register_bit = acpi_gbl_decode_to8bit[j];
+                        this_event->gpe_number =
+                            (u8) (this_register->base_gpe_number + j);
                         this_event->register_info = this_register;
                         this_event++;
                 }
@@ -1109,11 +1110,12 @@ acpi_status acpi_ev_gpe_initialize(void)
          * If EITHER the register length OR the block address are zero, then that
          * particular block is not supported.
          */
-        if (acpi_gbl_FADT->gpe0_blk_len && acpi_gbl_FADT->xgpe0_blk.address) {
+        if (acpi_gbl_FADT.gpe0_block_length &&
+            acpi_gbl_FADT.xgpe0_block.address) {
 
                 /* GPE block 0 exists (has both length and address > 0) */
 
-                register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2);
+                register_count0 = (u16) (acpi_gbl_FADT.gpe0_block_length / 2);
 
                 gpe_number_max =
                     (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
@@ -1121,9 +1123,9 @@ acpi_status acpi_ev_gpe_initialize(void)
                 /* Install GPE Block 0 */
 
                 status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
-                                                  &acpi_gbl_FADT->xgpe0_blk,
+                                                  &acpi_gbl_FADT.xgpe0_block,
                                                   register_count0, 0,
-                                                  acpi_gbl_FADT->sci_int,
+                                                  acpi_gbl_FADT.sci_interrupt,
                                                   &acpi_gbl_gpe_fadt_blocks[0]);
 
                 if (ACPI_FAILURE(status)) {
@@ -1132,20 +1134,21 @@ acpi_status acpi_ev_gpe_initialize(void)
                 }
         }
 
-        if (acpi_gbl_FADT->gpe1_blk_len && acpi_gbl_FADT->xgpe1_blk.address) {
+        if (acpi_gbl_FADT.gpe1_block_length &&
+            acpi_gbl_FADT.xgpe1_block.address) {
 
                 /* GPE block 1 exists (has both length and address > 0) */
 
-                register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2);
+                register_count1 = (u16) (acpi_gbl_FADT.gpe1_block_length / 2);
 
                 /* Check for GPE0/GPE1 overlap (if both banks exist) */
 
                 if ((register_count0) &&
-                    (gpe_number_max >= acpi_gbl_FADT->gpe1_base)) {
+                    (gpe_number_max >= acpi_gbl_FADT.gpe1_base)) {
                         ACPI_ERROR((AE_INFO,
                                     "GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1",
-                                    gpe_number_max, acpi_gbl_FADT->gpe1_base,
-                                    acpi_gbl_FADT->gpe1_base +
+                                    gpe_number_max, acpi_gbl_FADT.gpe1_base,
+                                    acpi_gbl_FADT.gpe1_base +
                                     ((register_count1 *
                                       ACPI_GPE_REGISTER_WIDTH) - 1)));
 
@@ -1157,10 +1160,11 @@ acpi_status acpi_ev_gpe_initialize(void)
 
                         status =
                             acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
-                                                     &acpi_gbl_FADT->xgpe1_blk,
+                                                     &acpi_gbl_FADT.xgpe1_block,
                                                      register_count1,
-                                                     acpi_gbl_FADT->gpe1_base,
-                                                     acpi_gbl_FADT->sci_int,
+                                                     acpi_gbl_FADT.gpe1_base,
+                                                     acpi_gbl_FADT.
+                                                     sci_interrupt,
                                                      &acpi_gbl_gpe_fadt_blocks
                                                      [1]);
 
@@ -1173,7 +1177,7 @@ acpi_status acpi_ev_gpe_initialize(void)
                          * GPE0 and GPE1 do not have to be contiguous in the GPE number
                          * space. However, GPE0 always starts at GPE number zero.
                          */
-                        gpe_number_max = acpi_gbl_FADT->gpe1_base +
+                        gpe_number_max = acpi_gbl_FADT.gpe1_base +
                             ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
                 }
         }
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index bf63edc6608d..1b784ffe54c3 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,14 +63,18 @@ static const char *acpi_notify_value_names[] = {
 };
 #endif
 
+/* 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 void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context);
-
 static u32 acpi_ev_global_lock_handler(void *context);
 
+static acpi_status acpi_ev_remove_global_lock_handler(void);
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ev_is_notify_object
@@ -282,49 +286,19 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ev_global_lock_thread
- *
- * PARAMETERS:  Context         - From thread interface, not used
- *
- * RETURN:      None
- *
- * DESCRIPTION: Invoked by SCI interrupt handler upon acquisition of the
- *              Global Lock.  Simply signal all threads that are waiting
- *              for the lock.
- *
- ******************************************************************************/
-
-static void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context)
-{
-        acpi_status status;
-
-        /* Signal threads that are waiting for the lock */
-
-        if (acpi_gbl_global_lock_thread_count) {
-
-                /* Send sufficient units to the semaphore */
-
-                status =
-                    acpi_os_signal_semaphore(acpi_gbl_global_lock_semaphore,
-                                             acpi_gbl_global_lock_thread_count);
-                if (ACPI_FAILURE(status)) {
-                        ACPI_ERROR((AE_INFO,
-                                    "Could not signal Global Lock semaphore"));
-                }
-        }
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ev_global_lock_handler
  *
  * PARAMETERS:  Context         - From thread interface, not used
  *
- * RETURN:      ACPI_INTERRUPT_HANDLED or ACPI_INTERRUPT_NOT_HANDLED
+ * RETURN:      ACPI_INTERRUPT_HANDLED
  *
  * DESCRIPTION: Invoked directly from the SCI handler when a global lock
- *              release interrupt occurs.  Grab the global lock and queue
- *              the global lock thread for execution
+ *              release interrupt occurs. Attempt to acquire the global lock,
+ *              if successful, signal the thread waiting for the lock.
+ *
+ * NOTE: Assumes that the semaphore can be signaled from interrupt level. If
+ * this is not possible for some reason, a separate thread will have to be
+ * scheduled to do this.
  *
  ******************************************************************************/
 
@@ -333,16 +307,24 @@ static u32 acpi_ev_global_lock_handler(void *context)
         u8 acquired = FALSE;
 
         /*
-         * Attempt to get the lock
+         * Attempt to get the lock.
+         *
          * 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(acpi_gbl_common_fACS.global_lock, acquired);
+        ACPI_ACQUIRE_GLOBAL_LOCK(facs, acquired);
         if (acquired) {
 
                 /* Got the lock, now wake all threads waiting for it */
+
                 acpi_gbl_global_lock_acquired = TRUE;
-                acpi_ev_global_lock_thread(context);
+                /* Send a unit to the semaphore */
+
+                if (ACPI_FAILURE(acpi_os_signal_semaphore(
+                        acpi_gbl_global_lock_semaphore, 1))) {
+                        ACPI_ERROR((AE_INFO,
+                                    "Could not signal Global Lock semaphore"));
+                }
         }
 
         return (ACPI_INTERRUPT_HANDLED);
@@ -366,6 +348,13 @@ acpi_status acpi_ev_init_global_lock_handler(void)
 
         ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);
 
+        status =
+            acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+                                    (struct acpi_table_header **)&facs);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         acpi_gbl_global_lock_present = TRUE;
         status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
                                                   acpi_ev_global_lock_handler,
@@ -389,6 +378,31 @@ acpi_status acpi_ev_init_global_lock_handler(void)
         return_ACPI_STATUS(status);
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_remove_global_lock_handler
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove the handler for the Global Lock
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_ev_remove_global_lock_handler(void)
+{
+        acpi_status status;
+
+        ACPI_FUNCTION_TRACE(ev_remove_global_lock_handler);
+
+        acpi_gbl_global_lock_present = FALSE;
+        status = acpi_remove_fixed_event_handler(ACPI_EVENT_GLOBAL,
+                                                 acpi_ev_global_lock_handler);
+
+        return_ACPI_STATUS(status);
+}
+
 /******************************************************************************
  *
  * FUNCTION:    acpi_ev_acquire_global_lock
@@ -399,6 +413,16 @@ acpi_status acpi_ev_init_global_lock_handler(void)
  *
  * DESCRIPTION: Attempt to gain ownership of the Global Lock.
  *
+ * MUTEX:       Interpreter must be locked
+ *
+ * Note: The original implementation allowed multiple threads to "acquire" the
+ * Global Lock, and the OS would hold the lock until the last thread had
+ * released it. However, this could potentially starve the BIOS out of the
+ * lock, especially in the case where there is a tight handshake between the
+ * Embedded Controller driver and the BIOS. Therefore, this implementation
+ * allows only one thread to acquire the HW Global Lock at a time, and makes
+ * the global lock appear as a standard mutex on the OS side.
+ *
  *****************************************************************************/
 
 acpi_status acpi_ev_acquire_global_lock(u16 timeout)
@@ -408,53 +432,51 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
 
         ACPI_FUNCTION_TRACE(ev_acquire_global_lock);
 
-#ifndef ACPI_APPLICATION
-        /* Make sure that we actually have a global lock */
-
-        if (!acpi_gbl_global_lock_present) {
-                return_ACPI_STATUS(AE_NO_GLOBAL_LOCK);
+        /*
+         * Only one thread can acquire the GL at a time, the global_lock_mutex
+         * enforces this. This interface releases the interpreter if we must wait.
+         */
+        status = acpi_ex_system_wait_mutex(acpi_gbl_global_lock_mutex, timeout);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
         }
-#endif
-
-        /* One more thread wants the global lock */
-
-        acpi_gbl_global_lock_thread_count++;
 
         /*
-         * If we (OS side vs. BIOS side) have the hardware lock already,
-         * we are done
+         * Make sure that a global lock actually exists. If not, just treat
+         * the lock as a standard mutex.
          */
-        if (acpi_gbl_global_lock_acquired) {
+        if (!acpi_gbl_global_lock_present) {
+                acpi_gbl_global_lock_acquired = TRUE;
                 return_ACPI_STATUS(AE_OK);
         }
 
-        /* We must acquire the actual hardware lock */
+        /* Attempt to acquire the actual hardware lock */
 
-        ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
+        ACPI_ACQUIRE_GLOBAL_LOCK(facs, acquired);
         if (acquired) {
 
                 /* We got the lock */
 
                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-                                  "Acquired the HW Global Lock\n"));
+                                  "Acquired hardware Global Lock\n"));
 
                 acpi_gbl_global_lock_acquired = TRUE;
                 return_ACPI_STATUS(AE_OK);
         }
 
         /*
-         * Did not get the lock.  The pending bit was set above, and we must now
+         * Did not get the lock. The pending bit was set above, and we must now
          * wait until we get the global lock released interrupt.
          */
-        ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Waiting for the HW Global Lock\n"));
+        ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Waiting for hardware Global Lock\n"));
 
         /*
-         * Acquire the global lock semaphore first.
-         * Since this wait will block, we must release the interpreter
+         * Wait for handshake with the global lock interrupt handler.
+         * This interface releases the interpreter if we must wait.
          */
-        status =
-            acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore,
-                                          timeout);
+        status = acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore,
+                                               ACPI_WAIT_FOREVER);
+
         return_ACPI_STATUS(status);
 }
 
@@ -477,38 +499,39 @@ acpi_status acpi_ev_release_global_lock(void)
 
         ACPI_FUNCTION_TRACE(ev_release_global_lock);
 
-        if (!acpi_gbl_global_lock_thread_count) {
+        /* Lock must be already acquired */
+
+        if (!acpi_gbl_global_lock_acquired) {
                 ACPI_WARNING((AE_INFO,
-                              "Cannot release HW Global Lock, it has not been acquired"));
+                              "Cannot release the ACPI Global Lock, it has not been acquired"));
                 return_ACPI_STATUS(AE_NOT_ACQUIRED);
         }
 
-        /* One fewer thread has the global lock */
+        if (acpi_gbl_global_lock_present) {
 
-        acpi_gbl_global_lock_thread_count--;
-        if (acpi_gbl_global_lock_thread_count) {
+                /* Allow any thread to release the lock */
 
-                /* There are still some threads holding the lock, cannot release */
+                ACPI_RELEASE_GLOBAL_LOCK(facs, pending);
 
-                return_ACPI_STATUS(AE_OK);
+                /*
+                 * If the pending bit was set, we must write GBL_RLS to the control
+                 * register
+                 */
+                if (pending) {
+                        status =
+                            acpi_set_register(ACPI_BITREG_GLOBAL_LOCK_RELEASE,
+                                              1);
+                }
+
+                ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+                                  "Released hardware Global Lock\n"));
         }
 
-        /*
-         * No more threads holding lock, we can do the actual hardware
-         * release
-         */
-        ACPI_RELEASE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, pending);
         acpi_gbl_global_lock_acquired = FALSE;
 
-        /*
-         * If the pending bit was set, we must write GBL_RLS to the control
-         * register
-         */
-        if (pending) {
-                status = acpi_set_register(ACPI_BITREG_GLOBAL_LOCK_RELEASE,
-                                           1, ACPI_MTX_LOCK);
-        }
+        /* Release the local GL mutex */
 
+        acpi_os_release_mutex(acpi_gbl_global_lock_mutex);
         return_ACPI_STATUS(status);
 }
 
@@ -558,6 +581,12 @@ void acpi_ev_terminate(void)
                 if (ACPI_FAILURE(status)) {
                         ACPI_ERROR((AE_INFO, "Could not remove SCI handler"));
                 }
+
+                status = acpi_ev_remove_global_lock_handler();
+                if (ACPI_FAILURE(status)) {
+                        ACPI_ERROR((AE_INFO,
+                                    "Could not remove Global Lock handler"));
+                }
         }
 
         /* Deallocate all handler objects installed within GPE info structs */
diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c
index 21caae04fe85..e99f0c435a47 100644
--- a/drivers/acpi/events/evregion.c
+++ b/drivers/acpi/events/evregion.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -291,7 +291,6 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
                                u32 bit_width, acpi_integer * value)
 {
         acpi_status status;
-        acpi_status status2;
         acpi_adr_space_handler handler;
         acpi_adr_space_setup region_setup;
         union acpi_operand_object *handler_desc;
@@ -345,7 +344,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
                  * setup will potentially execute control methods
                  * (e.g., _REG method for this region)
                  */
-                acpi_ex_exit_interpreter();
+                acpi_ex_relinquish_interpreter();
 
                 status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
                                       handler_desc->address_space.context,
@@ -353,10 +352,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 
                 /* Re-enter the interpreter */
 
-                status2 = acpi_ex_enter_interpreter();
-                if (ACPI_FAILURE(status2)) {
-                        return_ACPI_STATUS(status2);
-                }
+                acpi_ex_reacquire_interpreter();
 
                 /* Check for failure of the Region Setup */
 
@@ -409,7 +405,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
                  * exit the interpreter because the handler *might* block -- we don't
                  * know what it will do, so we can't hold the lock on the intepreter.
                  */
-                acpi_ex_exit_interpreter();
+                acpi_ex_relinquish_interpreter();
         }
 
         /* Call the handler */
@@ -430,10 +426,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
                  * We just returned from a non-default handler, we must re-enter the
                  * interpreter
                  */
-                status2 = acpi_ex_enter_interpreter();
-                if (ACPI_FAILURE(status2)) {
-                        return_ACPI_STATUS(status2);
-                }
+                acpi_ex_reacquire_interpreter();
         }
 
         return_ACPI_STATUS(status);
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index 203d1359190a..a4fa7e6822a3 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,6 +48,11 @@
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evrgnini")
 
+/* Local prototypes */
+static u8 acpi_ev_match_pci_root_bridge(char *id);
+
+static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node);
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ev_system_memory_region_setup
@@ -62,6 +67,7 @@ ACPI_MODULE_NAME("evrgnini")
  * DESCRIPTION: Setup a system_memory operation region
  *
  ******************************************************************************/
+
 acpi_status
 acpi_ev_system_memory_region_setup(acpi_handle handle,
                                    u32 function,
@@ -168,9 +174,9 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
         union acpi_operand_object *handler_obj;
         struct acpi_namespace_node *parent_node;
         struct acpi_namespace_node *pci_root_node;
+        struct acpi_namespace_node *pci_device_node;
         union acpi_operand_object *region_obj =
             (union acpi_operand_object *)handle;
-        struct acpi_device_id object_hID;
 
         ACPI_FUNCTION_TRACE(ev_pci_config_region_setup);
 
@@ -215,45 +221,30 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
 
                 pci_root_node = parent_node;
                 while (pci_root_node != acpi_gbl_root_node) {
-                        status =
-                            acpi_ut_execute_HID(pci_root_node, &object_hID);
-                        if (ACPI_SUCCESS(status)) {
-                                /*
-                                 * Got a valid _HID string, check if this is a PCI root.
-                                 * New for ACPI 3.0: check for a PCI Express root also.
-                                 */
-                                if (!
-                                    (ACPI_STRNCMP
-                                     (object_hID.value, PCI_ROOT_HID_STRING,
-                                      sizeof(PCI_ROOT_HID_STRING)))
-                                    ||
-                                    !(ACPI_STRNCMP
-                                      (object_hID.value,
-                                       PCI_EXPRESS_ROOT_HID_STRING,
-                                       sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) {
-
-                                        /* Install a handler for this PCI root bridge */
 
-                                        status =
-                                            acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
-                                        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.
-                                                         */
-                                                        status = AE_OK;
-                                                } else {
-                                                        ACPI_EXCEPTION((AE_INFO,
-                                                                        status,
-                                                                        "Could not install PciConfig handler for Root Bridge %4.4s",
-                                                                        acpi_ut_get_node_name
-                                                                        (pci_root_node)));
-                                                }
+                        /* Get the _HID/_CID in order to detect a root_bridge */
+
+                        if (acpi_ev_is_pci_root_bridge(pci_root_node)) {
+
+                                /* Install a handler for this PCI root bridge */
+
+                                status = acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
+                                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.
+                                                 */
+                                                status = AE_OK;
+                                        } else {
+                                                ACPI_EXCEPTION((AE_INFO, status,
+                                                                "Could not install PciConfig handler for Root Bridge %4.4s",
+                                                                acpi_ut_get_node_name
+                                                                (pci_root_node)));
                                         }
-                                        break;
                                 }
+                                break;
                         }
 
                         pci_root_node = acpi_ns_get_parent_node(pci_root_node);
@@ -282,14 +273,25 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
         /*
          * 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.)
          */
+        pci_device_node = region_obj->region.node;
+        while (pci_device_node && (pci_device_node->type != ACPI_TYPE_DEVICE)) {
+                pci_device_node = acpi_ns_get_parent_node(pci_device_node);
+        }
+
+        if (!pci_device_node) {
+                return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+        }
 
         /*
          * 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, parent_node,
+            acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR, pci_device_node,
                                             &pci_value);
 
         /*
@@ -329,6 +331,91 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ev_match_pci_root_bridge
+ *
+ * PARAMETERS:  Id              - The HID/CID in string format
+ *
+ * RETURN:      TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
+ *
+ * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
+ *
+ ******************************************************************************/
+
+static u8 acpi_ev_match_pci_root_bridge(char *id)
+{
+
+        /*
+         * Check if this is a PCI root.
+         * ACPI 3.0+: check for a PCI Express root also.
+         */
+        if (!(ACPI_STRNCMP(id,
+                           PCI_ROOT_HID_STRING,
+                           sizeof(PCI_ROOT_HID_STRING))) ||
+            !(ACPI_STRNCMP(id,
+                           PCI_EXPRESS_ROOT_HID_STRING,
+                           sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) {
+                return (TRUE);
+        }
+
+        return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_is_pci_root_bridge
+ *
+ * PARAMETERS:  Node            - Device node being examined
+ *
+ * RETURN:      TRUE if device is a PCI/PCI-Express Root Bridge
+ *
+ * DESCRIPTION: Determine if the input device represents a PCI Root Bridge by
+ *              examining the _HID and _CID for the device.
+ *
+ ******************************************************************************/
+
+static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
+{
+        acpi_status status;
+        struct acpi_device_id hid;
+        struct acpi_compatible_id_list *cid;
+        acpi_native_uint i;
+
+        /*
+         * Get the _HID and check for a PCI Root Bridge
+         */
+        status = acpi_ut_execute_HID(node, &hid);
+        if (ACPI_FAILURE(status)) {
+                return (FALSE);
+        }
+
+        if (acpi_ev_match_pci_root_bridge(hid.value)) {
+                return (TRUE);
+        }
+
+        /*
+         * 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);
+        }
+
+        /* Check all _CIDs in the returned list */
+
+        for (i = 0; i < cid->count; i++) {
+                if (acpi_ev_match_pci_root_bridge(cid->id[i].value)) {
+                        ACPI_FREE(cid);
+                        return (TRUE);
+                }
+        }
+
+        ACPI_FREE(cid);
+        return (FALSE);
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ev_pci_bar_region_setup
  *
  * PARAMETERS:  Handle              - Region we are interested in
@@ -432,6 +519,9 @@ acpi_ev_default_region_setup(acpi_handle handle,
  *              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
+ *              method for this region.
+ *
  ******************************************************************************/
 
 acpi_status
diff --git a/drivers/acpi/events/evsci.c b/drivers/acpi/events/evsci.c
index 8106215ad554..7e5d15ce2395 100644
--- a/drivers/acpi/events/evsci.c
+++ b/drivers/acpi/events/evsci.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -142,9 +142,10 @@ u32 acpi_ev_install_sci_handler(void)
 
         ACPI_FUNCTION_TRACE(ev_install_sci_handler);
 
-        status = acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT->sci_int,
-                                                   acpi_ev_sci_xrupt_handler,
-                                                   acpi_gbl_gpe_xrupt_list_head);
+        status =
+            acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt,
+                                              acpi_ev_sci_xrupt_handler,
+                                              acpi_gbl_gpe_xrupt_list_head);
         return_ACPI_STATUS(status);
 }
 
@@ -175,8 +176,9 @@ acpi_status acpi_ev_remove_sci_handler(void)
 
         /* Just let the OS remove the handler and disable the level */
 
-        status = acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT->sci_int,
-                                                  acpi_ev_sci_xrupt_handler);
+        status =
+            acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt,
+                                             acpi_ev_sci_xrupt_handler);
 
         return_ACPI_STATUS(status);
 }
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index 923fd2b46955..685a103a3587 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -768,11 +768,9 @@ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
                 return (AE_BAD_PARAMETER);
         }
 
-        status = acpi_ex_enter_interpreter();
-        if (ACPI_FAILURE(status)) {
-                return (status);
-        }
+        /* Must lock interpreter to prevent race conditions */
 
+        acpi_ex_enter_interpreter();
         status = acpi_ev_acquire_global_lock(timeout);
         acpi_ex_exit_interpreter();
 
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index 7ebc2efac936..17065e98807c 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
 #include <acpi/acpi.h>
 #include <acpi/acevents.h>
 #include <acpi/acnamesp.h>
+#include <acpi/actables.h>
 
 #define _COMPONENT          ACPI_EVENTS
 ACPI_MODULE_NAME("evxfevnt")
@@ -65,13 +66,14 @@ acpi_status acpi_enable(void)
 
         ACPI_FUNCTION_TRACE(acpi_enable);
 
-        /* Make sure we have the FADT */
+        /* ACPI tables must be present */
 
-        if (!acpi_gbl_FADT) {
-                ACPI_WARNING((AE_INFO, "No FADT information present!"));
+        if (!acpi_tb_tables_loaded()) {
                 return_ACPI_STATUS(AE_NO_ACPI_TABLES);
         }
 
+        /* Check current mode */
+
         if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
                                   "System is already in ACPI mode\n"));
@@ -111,11 +113,6 @@ acpi_status acpi_disable(void)
 
         ACPI_FUNCTION_TRACE(acpi_disable);
 
-        if (!acpi_gbl_FADT) {
-                ACPI_WARNING((AE_INFO, "No FADT information present!"));
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
         if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) {
                 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
                                   "System is already in legacy (non-ACPI) mode\n"));
@@ -169,7 +166,7 @@ acpi_status acpi_enable_event(u32 event, u32 flags)
          */
         status =
             acpi_set_register(acpi_gbl_fixed_event_info[event].
-                              enable_register_id, 1, ACPI_MTX_LOCK);
+                              enable_register_id, 1);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -178,7 +175,7 @@ acpi_status acpi_enable_event(u32 event, u32 flags)
 
         status =
             acpi_get_register(acpi_gbl_fixed_event_info[event].
-                              enable_register_id, &value, ACPI_MTX_LOCK);
+                              enable_register_id, &value);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -368,14 +365,14 @@ acpi_status acpi_disable_event(u32 event, u32 flags)
          */
         status =
             acpi_set_register(acpi_gbl_fixed_event_info[event].
-                              enable_register_id, 0, ACPI_MTX_LOCK);
+                              enable_register_id, 0);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
 
         status =
             acpi_get_register(acpi_gbl_fixed_event_info[event].
-                              enable_register_id, &value, ACPI_MTX_LOCK);
+                              enable_register_id, &value);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -421,7 +418,7 @@ acpi_status acpi_clear_event(u32 event)
          */
         status =
             acpi_set_register(acpi_gbl_fixed_event_info[event].
-                              status_register_id, 1, ACPI_MTX_LOCK);
+                              status_register_id, 1);
 
         return_ACPI_STATUS(status);
 }
@@ -510,7 +507,7 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
 
         status =
             acpi_get_register(acpi_gbl_fixed_event_info[event].
-                              status_register_id, event_status, ACPI_MTX_LOCK);
+                              status_register_id, event_status);
 
         return_ACPI_STATUS(status);
 }
diff --git a/drivers/acpi/events/evxfregn.c b/drivers/acpi/events/evxfregn.c
index 83b12a9afa32..7bf09c5fb242 100644
--- a/drivers/acpi/events/evxfregn.c
+++ b/drivers/acpi/events/evxfregn.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index c8341fa5fe01..25802f302ffe 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,7 +54,7 @@ ACPI_MODULE_NAME("exconfig")
 
 /* Local prototypes */
 static acpi_status
-acpi_ex_add_table(struct acpi_table_header *table,
+acpi_ex_add_table(acpi_native_uint table_index,
                   struct acpi_namespace_node *parent_node,
                   union acpi_operand_object **ddb_handle);
 
@@ -74,12 +74,11 @@ acpi_ex_add_table(struct acpi_table_header *table,
  ******************************************************************************/
 
 static acpi_status
-acpi_ex_add_table(struct acpi_table_header *table,
+acpi_ex_add_table(acpi_native_uint table_index,
                   struct acpi_namespace_node *parent_node,
                   union acpi_operand_object **ddb_handle)
 {
         acpi_status status;
-        struct acpi_table_desc table_info;
         union acpi_operand_object *obj_desc;
 
         ACPI_FUNCTION_TRACE(ex_add_table);
@@ -98,42 +97,16 @@ acpi_ex_add_table(struct acpi_table_header *table,
 
         /* Install the new table into the local data structures */
 
-        ACPI_MEMSET(&table_info, 0, sizeof(struct acpi_table_desc));
-
-        table_info.type = ACPI_TABLE_ID_SSDT;
-        table_info.pointer = table;
-        table_info.length = (acpi_size) table->length;
-        table_info.allocation = ACPI_MEM_ALLOCATED;
-
-        status = acpi_tb_install_table(&table_info);
-        obj_desc->reference.object = table_info.installed_desc;
-
-        if (ACPI_FAILURE(status)) {
-                if (status == AE_ALREADY_EXISTS) {
-
-                        /* Table already exists, just return the handle */
-
-                        return_ACPI_STATUS(AE_OK);
-                }
-                goto cleanup;
-        }
+        obj_desc->reference.object = ACPI_CAST_PTR(void, table_index);
 
         /* Add the table to the namespace */
 
-        status = acpi_ns_load_table(table_info.installed_desc, parent_node);
+        status = acpi_ns_load_table(table_index, parent_node);
         if (ACPI_FAILURE(status)) {
-
-                /* Uninstall table on error */
-
-                (void)acpi_tb_uninstall_table(table_info.installed_desc);
-                goto cleanup;
+                acpi_ut_remove_reference(obj_desc);
+                *ddb_handle = NULL;
         }
 
-        return_ACPI_STATUS(AE_OK);
-
-      cleanup:
-        acpi_ut_remove_reference(obj_desc);
-        *ddb_handle = NULL;
         return_ACPI_STATUS(status);
 }
 
@@ -146,7 +119,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Load an ACPI table
+ * DESCRIPTION: Load an ACPI table from the RSDT/XSDT
  *
  ******************************************************************************/
 
@@ -156,33 +129,20 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
 {
         acpi_status status;
         union acpi_operand_object **operand = &walk_state->operands[0];
-        struct acpi_table_header *table;
+        acpi_native_uint table_index;
         struct acpi_namespace_node *parent_node;
         struct acpi_namespace_node *start_node;
         struct acpi_namespace_node *parameter_node = NULL;
         union acpi_operand_object *ddb_handle;
+        struct acpi_table_header *table;
 
         ACPI_FUNCTION_TRACE(ex_load_table_op);
 
-#if 0
-        /*
-         * Make sure that the signature does not match one of the tables that
-         * is already loaded.
-         */
-        status = acpi_tb_match_signature(operand[0]->string.pointer, NULL);
-        if (status == AE_OK) {
-
-                /* Signature matched -- don't allow override */
-
-                return_ACPI_STATUS(AE_ALREADY_EXISTS);
-        }
-#endif
-
-        /* Find the ACPI table */
+        /* Find the ACPI table in the RSDT/XSDT */
 
         status = acpi_tb_find_table(operand[0]->string.pointer,
                                     operand[1]->string.pointer,
-                                    operand[2]->string.pointer, &table);
+                                    operand[2]->string.pointer, &table_index);
         if (ACPI_FAILURE(status)) {
                 if (status != AE_NOT_FOUND) {
                         return_ACPI_STATUS(status);
@@ -245,7 +205,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
 
         /* Load the table into the namespace */
 
-        status = acpi_ex_add_table(table, parent_node, &ddb_handle);
+        status = acpi_ex_add_table(table_index, parent_node, &ddb_handle);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -266,9 +226,13 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
                 }
         }
 
-        ACPI_INFO((AE_INFO,
-                   "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]",
-                   table->signature, table->oem_id, table->oem_table_id));
+        status = acpi_get_table_by_index(table_index, &table);
+        if (ACPI_SUCCESS(status)) {
+                ACPI_INFO((AE_INFO,
+                           "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]",
+                           table->signature, table->oem_id,
+                           table->oem_table_id));
+        }
 
         *return_desc = ddb_handle;
         return_ACPI_STATUS(status);
@@ -278,7 +242,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
  *
  * FUNCTION:    acpi_ex_load_op
  *
- * PARAMETERS:  obj_desc        - Region or Field where the table will be
+ * PARAMETERS:  obj_desc        - Region or Buffer/Field where the table will be
  *                                obtained
  *              Target          - Where a handle to the table will be stored
  *              walk_state      - Current state
@@ -287,6 +251,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
  *
  * DESCRIPTION: Load an ACPI table from a field or operation region
  *
+ * NOTE: Region Fields (Field, bank_field, index_fields) are resolved to buffer
+ *       objects before this code is reached.
+ *
+ *       If source is an operation region, it must refer to system_memory, as
+ *       per the ACPI specification.
+ *
  ******************************************************************************/
 
 acpi_status
@@ -294,22 +264,26 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
                 union acpi_operand_object *target,
                 struct acpi_walk_state *walk_state)
 {
-        acpi_status status;
         union acpi_operand_object *ddb_handle;
-        union acpi_operand_object *buffer_desc = NULL;
-        struct acpi_table_header *table_ptr = NULL;
-        acpi_physical_address address;
-        struct acpi_table_header table_header;
-        acpi_integer temp;
-        u32 i;
+        struct acpi_table_desc table_desc;
+        acpi_native_uint table_index;
+        acpi_status status;
 
         ACPI_FUNCTION_TRACE(ex_load_op);
 
-        /* Object can be either an op_region or a Field */
+        ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc));
+
+        /* Source Object can be either an op_region or a Buffer/Field */
 
         switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
         case ACPI_TYPE_REGION:
 
+                /* Region must be system_memory (from ACPI spec) */
+
+                if (obj_desc->region.space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+                        return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+                }
+
                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Region %p %s\n",
                                   obj_desc,
                                   acpi_ut_get_object_type_name(obj_desc)));
@@ -325,113 +299,41 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
                         }
                 }
 
-                /* Get the base physical address of the region */
-
-                address = obj_desc->region.address;
-
-                /* Get part of the table header to get the table length */
-
-                table_header.length = 0;
-                for (i = 0; i < 8; i++) {
-                        status =
-                            acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
-                                                           (acpi_physical_address)
-                                                           (i + address), 8,
-                                                           &temp);
-                        if (ACPI_FAILURE(status)) {
-                                return_ACPI_STATUS(status);
-                        }
-
-                        /* Get the one valid byte of the returned 64-bit value */
-
-                        ACPI_CAST_PTR(u8, &table_header)[i] = (u8) temp;
-                }
-
-                /* Sanity check the table length */
-
-                if (table_header.length < sizeof(struct acpi_table_header)) {
-                        return_ACPI_STATUS(AE_BAD_HEADER);
-                }
-
-                /* Allocate a buffer for the entire table */
-
-                table_ptr = ACPI_ALLOCATE(table_header.length);
-                if (!table_ptr) {
-                        return_ACPI_STATUS(AE_NO_MEMORY);
-                }
-
-                /* Get the entire table from the op region */
-
-                for (i = 0; i < table_header.length; i++) {
-                        status =
-                            acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
-                                                           (acpi_physical_address)
-                                                           (i + address), 8,
-                                                           &temp);
-                        if (ACPI_FAILURE(status)) {
-                                goto cleanup;
-                        }
-
-                        /* Get the one valid byte of the returned 64-bit value */
-
-                        ACPI_CAST_PTR(u8, table_ptr)[i] = (u8) temp;
-                }
+                table_desc.address = obj_desc->region.address;
+                table_desc.length = obj_desc->region.length;
+                table_desc.flags = ACPI_TABLE_ORIGIN_MAPPED;
                 break;
 
-        case ACPI_TYPE_LOCAL_REGION_FIELD:
-        case ACPI_TYPE_LOCAL_BANK_FIELD:
-        case ACPI_TYPE_LOCAL_INDEX_FIELD:
+        case ACPI_TYPE_BUFFER:  /* Buffer or resolved region_field */
 
-                ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Field %p %s\n",
-                                  obj_desc,
-                                  acpi_ut_get_object_type_name(obj_desc)));
+                /* Simply extract the buffer from the buffer object */
 
-                /*
-                 * The length of the field must be at least as large as the table.
-                 * Read the entire field and thus the entire table.  Buffer is
-                 * allocated during the read.
-                 */
-                status =
-                    acpi_ex_read_data_from_field(walk_state, obj_desc,
-                                                 &buffer_desc);
-                if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
-                }
-
-                table_ptr = ACPI_CAST_PTR(struct acpi_table_header,
-                                          buffer_desc->buffer.pointer);
-
-                /* All done with the buffer_desc, delete it */
-
-                buffer_desc->buffer.pointer = NULL;
-                acpi_ut_remove_reference(buffer_desc);
+                ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+                                  "Load from Buffer or Field %p %s\n", obj_desc,
+                                  acpi_ut_get_object_type_name(obj_desc)));
 
-                /* Sanity check the table length */
+                table_desc.pointer = ACPI_CAST_PTR(struct acpi_table_header,
+                                                   obj_desc->buffer.pointer);
+                table_desc.length = table_desc.pointer->length;
+                table_desc.flags = ACPI_TABLE_ORIGIN_ALLOCATED;
 
-                if (table_ptr->length < sizeof(struct acpi_table_header)) {
-                        status = AE_BAD_HEADER;
-                        goto cleanup;
-                }
+                obj_desc->buffer.pointer = NULL;
                 break;
 
         default:
                 return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
         }
 
-        /* The table must be either an SSDT or a PSDT */
-
-        if ((!ACPI_COMPARE_NAME(table_ptr->signature, PSDT_SIG)) &&
-            (!ACPI_COMPARE_NAME(table_ptr->signature, SSDT_SIG))) {
-                ACPI_ERROR((AE_INFO,
-                            "Table has invalid signature [%4.4s], must be SSDT or PSDT",
-                            table_ptr->signature));
-                status = AE_BAD_SIGNATURE;
+        /*
+         * Install the new table into the local data structures
+         */
+        status = acpi_tb_add_table(&table_desc, &table_index);
+        if (ACPI_FAILURE(status)) {
                 goto cleanup;
         }
 
-        /* Install the new table into the local data structures */
-
-        status = acpi_ex_add_table(table_ptr, acpi_gbl_root_node, &ddb_handle);
+        status =
+            acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle);
         if (ACPI_FAILURE(status)) {
 
                 /* On error, table_ptr was deallocated above */
@@ -450,13 +352,9 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
                 return_ACPI_STATUS(status);
         }
 
-        ACPI_INFO((AE_INFO,
-                   "Dynamic SSDT Load - OemId [%6.6s] OemTableId [%8.8s]",
-                   table_ptr->oem_id, table_ptr->oem_table_id));
-
       cleanup:
         if (ACPI_FAILURE(status)) {
-                ACPI_FREE(table_ptr);
+                acpi_tb_delete_table(&table_desc);
         }
         return_ACPI_STATUS(status);
 }
@@ -477,7 +375,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
 {
         acpi_status status = AE_OK;
         union acpi_operand_object *table_desc = ddb_handle;
-        struct acpi_table_desc *table_info;
+        acpi_native_uint table_index;
 
         ACPI_FUNCTION_TRACE(ex_unload_table);
 
@@ -493,19 +391,18 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
-        /* Get the actual table descriptor from the ddb_handle */
+        /* Get the table index from the ddb_handle */
 
-        table_info = (struct acpi_table_desc *)table_desc->reference.object;
+        table_index = (acpi_native_uint) table_desc->reference.object;
 
         /*
          * Delete the entire namespace under this table Node
          * (Offset contains the table_id)
          */
-        acpi_ns_delete_namespace_by_owner(table_info->owner_id);
-
-        /* Delete the table itself */
+        acpi_tb_delete_namespace_by_owner(table_index);
+        acpi_tb_release_owner_id(table_index);
 
-        (void)acpi_tb_uninstall_table(table_info->installed_desc);
+        acpi_tb_set_table_loaded_flag(table_index, FALSE);
 
         /* Delete the table descriptor (ddb_handle) */
 
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index 544e81a6a438..d470e8b1f4ea 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c
index 34eec82c1b1e..7c38528a7e83 100644
--- a/drivers/acpi/executer/excreate.c
+++ b/drivers/acpi/executer/excreate.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -359,8 +359,9 @@ acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state)
         union acpi_operand_object **operand = &walk_state->operands[0];
         union acpi_operand_object *obj_desc;
         struct acpi_namespace_node *node;
-        struct acpi_table_header *table;
         union acpi_operand_object *region_obj2;
+        acpi_native_uint table_index;
+        struct acpi_table_header *table;
 
         ACPI_FUNCTION_TRACE(ex_create_table_region);
 
@@ -380,7 +381,7 @@ acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state)
 
         status = acpi_tb_find_table(operand[1]->string.pointer,
                                     operand[2]->string.pointer,
-                                    operand[3]->string.pointer, &table);
+                                    operand[3]->string.pointer, &table_index);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -395,6 +396,11 @@ acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state)
         region_obj2 = obj_desc->common.next_object;
         region_obj2->extra.region_context = NULL;
 
+        status = acpi_get_table_by_index(table_index, &table);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         /* Init the region from the operands */
 
         obj_desc->region.space_id = REGION_DATA_TABLE;
@@ -553,7 +559,8 @@ acpi_ex_create_method(u8 * aml_start,
 
         obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_METHOD);
         if (!obj_desc) {
-                return_ACPI_STATUS(AE_NO_MEMORY);
+                status = AE_NO_MEMORY;
+                goto exit;
         }
 
         /* Save the method's AML pointer and length  */
@@ -576,10 +583,7 @@ acpi_ex_create_method(u8 * aml_start,
          * Get the sync_level. If method is serialized, a mutex will be
          * created for this method when it is parsed.
          */
-        if (acpi_gbl_all_methods_serialized) {
-                obj_desc->method.sync_level = 0;
-                obj_desc->method.method_flags |= AML_METHOD_SERIALIZED;
-        } else if (method_flags & AML_METHOD_SERIALIZED) {
+        if (method_flags & AML_METHOD_SERIALIZED) {
                 /*
                  * ACPI 1.0: sync_level = 0
                  * ACPI 2.0: sync_level = sync_level in method declaration
@@ -597,6 +601,7 @@ acpi_ex_create_method(u8 * aml_start,
 
         acpi_ut_remove_reference(obj_desc);
 
+      exit:
         /* Remove a reference to the operand */
 
         acpi_ut_remove_reference(operand[1]);
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 2450943add33..68d283fd60e7 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -59,8 +59,6 @@ static void acpi_ex_out_string(char *title, char *value);
 
 static void acpi_ex_out_pointer(char *title, void *value);
 
-static void acpi_ex_out_address(char *title, acpi_physical_address value);
-
 static void
 acpi_ex_dump_object(union acpi_operand_object *obj_desc,
                     struct acpi_exdump_info *info);
@@ -92,10 +90,11 @@ static struct acpi_exdump_info acpi_ex_dump_string[4] = {
         {ACPI_EXD_STRING, 0, NULL}
 };
 
-static struct acpi_exdump_info acpi_ex_dump_buffer[4] = {
+static struct acpi_exdump_info acpi_ex_dump_buffer[5] = {
         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer), NULL},
         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(buffer.length), "Length"},
         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.pointer), "Pointer"},
+        {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.node), "Parent Node"},
         {ACPI_EXD_BUFFER, 0, NULL}
 };
 
@@ -165,8 +164,8 @@ static struct acpi_exdump_info acpi_ex_dump_power[5] = {
 
 static struct acpi_exdump_info acpi_ex_dump_processor[7] = {
         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL},
-        {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
-        {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(processor.length), "Length"},
+        {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
+        {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"},
         {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"},
         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify),
          "System Notify"},
@@ -379,18 +378,12 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
                         break;
 
                 case ACPI_EXD_POINTER:
+                case ACPI_EXD_ADDRESS:
 
                         acpi_ex_out_pointer(name,
                                             *ACPI_CAST_PTR(void *, target));
                         break;
 
-                case ACPI_EXD_ADDRESS:
-
-                        acpi_ex_out_address(name,
-                                            *ACPI_CAST_PTR
-                                            (acpi_physical_address, target));
-                        break;
-
                 case ACPI_EXD_STRING:
 
                         acpi_ut_print_string(obj_desc->string.pointer,
@@ -834,16 +827,6 @@ static void acpi_ex_out_pointer(char *title, void *value)
         acpi_os_printf("%20s : %p\n", title, value);
 }
 
-static void acpi_ex_out_address(char *title, acpi_physical_address value)
-{
-
-#if ACPI_MACHINE_WIDTH == 16
-        acpi_os_printf("%20s : %p\n", title, value);
-#else
-        acpi_os_printf("%20s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value));
-#endif
-}
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ex_dump_namespace_node
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c
index 9ea9c3a67ca9..2d88a3d8d1ad 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/executer/exfield.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c
index 40f0bee6faa5..65a48b6170ee 100644
--- a/drivers/acpi/executer/exfldio.c
+++ b/drivers/acpi/executer/exfldio.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -257,14 +257,13 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
         }
 
         ACPI_DEBUG_PRINT_RAW((ACPI_DB_BFIELD,
-                              " Region [%s:%X], Width %X, ByteBase %X, Offset %X at %8.8X%8.8X\n",
+                              " Region [%s:%X], Width %X, ByteBase %X, Offset %X at %p\n",
                               acpi_ut_get_region_name(rgn_desc->region.
                                                       space_id),
                               rgn_desc->region.space_id,
                               obj_desc->common_field.access_byte_width,
                               obj_desc->common_field.base_byte_offset,
-                              field_datum_byte_offset,
-                              ACPI_FORMAT_UINT64(address)));
+                              field_datum_byte_offset, (void *)address));
 
         /* Invoke the appropriate address_space/op_region handler */
 
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index bd98aab017cf..f13d1cec2d6d 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index bf90f04f2c60..5101bad5baf8 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acinterp.h>
+#include <acpi/acevents.h>
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exmutex")
@@ -150,7 +151,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
-        /* Sanity check -- we must have a valid thread ID */
+        /* Sanity check: we must have a valid thread ID */
 
         if (!walk_state->thread) {
                 ACPI_ERROR((AE_INFO,
@@ -174,24 +175,28 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
         /* Support for multiple acquires by the owning thread */
 
         if (obj_desc->mutex.owner_thread) {
-
-                /* Special case for Global Lock, allow all threads */
-
-                if ((obj_desc->mutex.owner_thread->thread_id ==
-                     walk_state->thread->thread_id) ||
-                    (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK)) {
+                if (obj_desc->mutex.owner_thread->thread_id ==
+                    walk_state->thread->thread_id) {
                         /*
-                         * The mutex is already owned by this thread,
-                         * just increment the acquisition depth
+                         * The mutex is already owned by this thread, just increment the
+                         * acquisition depth
                          */
                         obj_desc->mutex.acquisition_depth++;
                         return_ACPI_STATUS(AE_OK);
                 }
         }
 
-        /* Acquire the mutex, wait if necessary */
+        /* Acquire the mutex, wait if necessary. Special case for Global Lock */
+
+        if (obj_desc->mutex.os_mutex == acpi_gbl_global_lock_mutex) {
+                status =
+                    acpi_ev_acquire_global_lock((u16) time_desc->integer.value);
+        } else {
+                status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex,
+                                                   (u16) time_desc->integer.
+                                                   value);
+        }
 
-        status = acpi_ex_system_acquire_mutex(time_desc, obj_desc);
         if (ACPI_FAILURE(status)) {
 
                 /* Includes failure from a timeout on time_desc */
@@ -211,7 +216,6 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
         /* Link the mutex to the current thread for force-unlock at method exit */
 
         acpi_ex_link_mutex(obj_desc, walk_state->thread);
-
         return_ACPI_STATUS(AE_OK);
 }
 
@@ -232,7 +236,7 @@ acpi_status
 acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
                       struct acpi_walk_state *walk_state)
 {
-        acpi_status status;
+        acpi_status status = AE_OK;
 
         ACPI_FUNCTION_TRACE(ex_release_mutex);
 
@@ -249,7 +253,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
                 return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED);
         }
 
-        /* Sanity check -- we must have a valid thread ID */
+        /* Sanity check: we must have a valid thread ID */
 
         if (!walk_state->thread) {
                 ACPI_ERROR((AE_INFO,
@@ -264,7 +268,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
          */
         if ((obj_desc->mutex.owner_thread->thread_id !=
              walk_state->thread->thread_id)
-            && (obj_desc->mutex.os_mutex != ACPI_GLOBAL_LOCK)) {
+            && (obj_desc->mutex.os_mutex != acpi_gbl_global_lock_mutex)) {
                 ACPI_ERROR((AE_INFO,
                             "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX",
                             (unsigned long)walk_state->thread->thread_id,
@@ -274,8 +278,8 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
         }
 
         /*
-         * The sync level of the mutex must be less than or
-         * equal to the current sync level
+         * The sync level of the mutex must be less than or equal to the current
+         * sync level
          */
         if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) {
                 ACPI_ERROR((AE_INFO,
@@ -298,11 +302,15 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
 
         acpi_ex_unlink_mutex(obj_desc);
 
-        /* Release the mutex */
+        /* Release the mutex, special case for Global Lock */
 
-        status = acpi_ex_system_release_mutex(obj_desc);
+        if (obj_desc->mutex.os_mutex == acpi_gbl_global_lock_mutex) {
+                status = acpi_ev_release_global_lock();
+        } else {
+                acpi_os_release_mutex(obj_desc->mutex.os_mutex);
+        }
 
-        /* Update the mutex and walk state, restore sync_level before acquire */
+        /* Update the mutex and restore sync_level */
 
         obj_desc->mutex.owner_thread = NULL;
         walk_state->thread->current_sync_level =
@@ -321,39 +329,49 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
  *
  * DESCRIPTION: Release all mutexes held by this thread
  *
+ * NOTE: This function is called as the thread is exiting the interpreter.
+ * Mutexes are not released when an individual control method is exited, but
+ * only when the parent thread actually exits the interpreter. This allows one
+ * method to acquire a mutex, and a different method to release it, as long as
+ * this is performed underneath a single parent control method.
+ *
  ******************************************************************************/
 
 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
 {
         union acpi_operand_object *next = thread->acquired_mutex_list;
-        union acpi_operand_object *this;
-        acpi_status status;
+        union acpi_operand_object *obj_desc;
 
         ACPI_FUNCTION_ENTRY();
 
         /* Traverse the list of owned mutexes, releasing each one */
 
         while (next) {
-                this = next;
-                next = this->mutex.next;
+                obj_desc = next;
+                next = obj_desc->mutex.next;
+
+                obj_desc->mutex.prev = NULL;
+                obj_desc->mutex.next = NULL;
+                obj_desc->mutex.acquisition_depth = 0;
+
+                /* Release the mutex, special case for Global Lock */
 
-                this->mutex.acquisition_depth = 1;
-                this->mutex.prev = NULL;
-                this->mutex.next = NULL;
+                if (obj_desc->mutex.os_mutex == acpi_gbl_global_lock_mutex) {
 
-                /* Release the mutex */
+                        /* Ignore errors */
 
-                status = acpi_ex_system_release_mutex(this);
-                if (ACPI_FAILURE(status)) {
-                        continue;
+                        (void)acpi_ev_release_global_lock();
+                } else {
+                        acpi_os_release_mutex(obj_desc->mutex.os_mutex);
                 }
 
                 /* Mark mutex unowned */
 
-                this->mutex.owner_thread = NULL;
+                obj_desc->mutex.owner_thread = NULL;
 
                 /* Update Thread sync_level (Last mutex is the important one) */
 
-                thread->current_sync_level = this->mutex.original_sync_level;
+                thread->current_sync_level =
+                    obj_desc->mutex.original_sync_level;
         }
 }
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index d3d70364626c..1ee4fb1175c6 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index 6374d8be88e0..252f10acbbcc 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -104,9 +104,7 @@ acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state)
                         status = AE_NO_MEMORY;
                         goto cleanup;
                 }
-#if ACPI_MACHINE_WIDTH != 16
                 return_desc->integer.value = acpi_os_get_timer();
-#endif
                 break;
 
         default:                /*  Unknown opcode  */
diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c
index 7d2cbc113160..17e652e65379 100644
--- a/drivers/acpi/executer/exoparg2.c
+++ b/drivers/acpi/executer/exoparg2.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c
index e2d945dfd509..7fe67cf82cee 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/executer/exoparg3.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c
index f0c0ba6eb408..bd80a9cb3d65 100644
--- a/drivers/acpi/executer/exoparg6.c
+++ b/drivers/acpi/executer/exoparg6.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c
index 44d064f427b9..a6696621ff1b 100644
--- a/drivers/acpi/executer/exprep.c
+++ b/drivers/acpi/executer/exprep.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 3cc97ba48b36..2e9ce94798c7 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -155,16 +155,15 @@ acpi_ex_system_memory_space_handler(u32 function,
 
                 /* Create a new mapping starting at the address given */
 
-                status = acpi_os_map_memory(address, window_size,
-                                            (void **)&mem_info->
-                                            mapped_logical_address);
-                if (ACPI_FAILURE(status)) {
+                mem_info->mapped_logical_address =
+                    acpi_os_map_memory((acpi_native_uint) address, window_size);
+                if (!mem_info->mapped_logical_address) {
                         ACPI_ERROR((AE_INFO,
                                     "Could not map memory at %8.8X%8.8X, size %X",
                                     ACPI_FORMAT_UINT64(address),
                                     (u32) window_size));
                         mem_info->mapped_length = 0;
-                        return_ACPI_STATUS(status);
+                        return_ACPI_STATUS(AE_NO_MEMORY);
                 }
 
                 /* Save the physical address and mapping size */
@@ -210,11 +209,10 @@ acpi_ex_system_memory_space_handler(u32 function,
                         *value = (acpi_integer) ACPI_GET32(logical_addr_ptr);
                         break;
 
-#if ACPI_MACHINE_WIDTH != 16
                 case 64:
                         *value = (acpi_integer) ACPI_GET64(logical_addr_ptr);
                         break;
-#endif
+
                 default:
                         /* bit_width was already validated */
                         break;
@@ -236,11 +234,9 @@ acpi_ex_system_memory_space_handler(u32 function,
                         ACPI_SET32(logical_addr_ptr) = (u32) * value;
                         break;
 
-#if ACPI_MACHINE_WIDTH != 16
                 case 64:
                         ACPI_SET64(logical_addr_ptr) = (u64) * value;
                         break;
-#endif
 
                 default:
                         /* bit_width was already validated */
diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c
index 3089b05a1368..2b3a01cc4929 100644
--- a/drivers/acpi/executer/exresnte.c
+++ b/drivers/acpi/executer/exresnte.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c
index 6499de878017..6c64e55dab0e 100644
--- a/drivers/acpi/executer/exresolv.c
+++ b/drivers/acpi/executer/exresolv.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -141,7 +141,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
         acpi_status status = AE_OK;
         union acpi_operand_object *stack_desc;
         void *temp_node;
-        union acpi_operand_object *obj_desc;
+        union acpi_operand_object *obj_desc = NULL;
         u16 opcode;
 
         ACPI_FUNCTION_TRACE(ex_resolve_object_to_value);
@@ -299,8 +299,6 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
                 status = acpi_ds_get_package_arguments(stack_desc);
                 break;
 
-                /* These cases may never happen here, but just in case.. */
-
         case ACPI_TYPE_BUFFER_FIELD:
         case ACPI_TYPE_LOCAL_REGION_FIELD:
         case ACPI_TYPE_LOCAL_BANK_FIELD:
@@ -314,6 +312,10 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
                 status =
                     acpi_ex_read_data_from_field(walk_state, stack_desc,
                                                  &obj_desc);
+
+                /* Remove a reference to the original operand, then override */
+
+                acpi_ut_remove_reference(*stack_ptr);
                 *stack_ptr = (void *)obj_desc;
                 break;
 
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index 4c93d0972333..ba761862a599 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -611,22 +611,20 @@ acpi_ex_resolve_operands(u16 opcode,
                         }
                         goto next_operand;
 
-                case ARGI_REGION_OR_FIELD:
+                case ARGI_REGION_OR_BUFFER:     /* Used by Load() only */
 
-                        /* Need an operand of type REGION or a FIELD in a region */
+                        /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */
 
                         switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
+                        case ACPI_TYPE_BUFFER:
                         case ACPI_TYPE_REGION:
-                        case ACPI_TYPE_LOCAL_REGION_FIELD:
-                        case ACPI_TYPE_LOCAL_BANK_FIELD:
-                        case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
                                 /* Valid operand */
                                 break;
 
                         default:
                                 ACPI_ERROR((AE_INFO,
-                                            "Needed [Region/RegionField], found [%s] %p",
+                                            "Needed [Region/Buffer], found [%s] %p",
                                             acpi_ut_get_object_type_name
                                             (obj_desc), obj_desc));
 
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 0456405ba019..f4b69a637820 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c
index 591aaf0e18b3..1d622c625c64 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/executer/exstoren.c
@@ -7,7 +7,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c
index 99ebe5adfcda..8233d40178ee 100644
--- a/drivers/acpi/executer/exstorob.c
+++ b/drivers/acpi/executer/exstorob.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
index 28aef3e69ecc..9460baff3032 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/executer/exsystem.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -66,7 +66,6 @@ ACPI_MODULE_NAME("exsystem")
 acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
 {
         acpi_status status;
-        acpi_status status2;
 
         ACPI_FUNCTION_TRACE(ex_system_wait_semaphore);
 
@@ -79,7 +78,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
 
                 /* We must wait, so unlock the interpreter */
 
-                acpi_ex_exit_interpreter();
+                acpi_ex_relinquish_interpreter();
 
                 status = acpi_os_wait_semaphore(semaphore, 1, timeout);
 
@@ -89,13 +88,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
 
                 /* Reacquire the interpreter */
 
-                status2 = acpi_ex_enter_interpreter();
-                if (ACPI_FAILURE(status2)) {
-
-                        /* Report fatal error, could not acquire interpreter */
-
-                        return_ACPI_STATUS(status2);
-                }
+                acpi_ex_reacquire_interpreter();
         }
 
         return_ACPI_STATUS(status);
@@ -119,7 +112,6 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
 {
         acpi_status status;
-        acpi_status status2;
 
         ACPI_FUNCTION_TRACE(ex_system_wait_mutex);
 
@@ -132,7 +124,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
 
                 /* We must wait, so unlock the interpreter */
 
-                acpi_ex_exit_interpreter();
+                acpi_ex_relinquish_interpreter();
 
                 status = acpi_os_acquire_mutex(mutex, timeout);
 
@@ -142,13 +134,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
 
                 /* Reacquire the interpreter */
 
-                status2 = acpi_ex_enter_interpreter();
-                if (ACPI_FAILURE(status2)) {
-
-                        /* Report fatal error, could not acquire interpreter */
-
-                        return_ACPI_STATUS(status2);
-                }
+                acpi_ex_reacquire_interpreter();
         }
 
         return_ACPI_STATUS(status);
@@ -209,96 +195,18 @@ acpi_status acpi_ex_system_do_stall(u32 how_long)
 
 acpi_status acpi_ex_system_do_suspend(acpi_integer how_long)
 {
-        acpi_status status;
-
         ACPI_FUNCTION_ENTRY();
 
         /* Since this thread will sleep, we must release the interpreter */
 
-        acpi_ex_exit_interpreter();
+        acpi_ex_relinquish_interpreter();
 
         acpi_os_sleep(how_long);
 
         /* And now we must get the interpreter again */
 
-        status = acpi_ex_enter_interpreter();
-        return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ex_system_acquire_mutex
- *
- * PARAMETERS:  time_desc       - Maximum time to wait for the mutex
- *              obj_desc        - The object descriptor for this op
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Provides an access point to perform synchronization operations
- *              within the AML.  This function will cause a lock to be generated
- *              for the Mutex pointed to by obj_desc.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_acquire_mutex(union acpi_operand_object * time_desc,
-                             union acpi_operand_object * obj_desc)
-{
-        acpi_status status = AE_OK;
-
-        ACPI_FUNCTION_TRACE_PTR(ex_system_acquire_mutex, obj_desc);
-
-        if (!obj_desc) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /* Support for the _GL_ Mutex object -- go get the global lock */
-
-        if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) {
-                status =
-                    acpi_ev_acquire_global_lock((u16) time_desc->integer.value);
-                return_ACPI_STATUS(status);
-        }
-
-        status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex,
-                                           (u16) time_desc->integer.value);
-        return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ex_system_release_mutex
- *
- * PARAMETERS:  obj_desc        - The object descriptor for this op
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Provides an access point to perform synchronization operations
- *              within the AML.  This operation is a request to release a
- *              previously acquired Mutex.  If the Mutex variable is set then
- *              it will be decremented.
- *
- ******************************************************************************/
-
-acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc)
-{
-        acpi_status status = AE_OK;
-
-        ACPI_FUNCTION_TRACE(ex_system_release_mutex);
-
-        if (!obj_desc) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /* Support for the _GL_ Mutex object -- release the global lock */
-
-        if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) {
-                status = acpi_ev_release_global_lock();
-                return_ACPI_STATUS(status);
-        }
-
-        acpi_os_release_mutex(obj_desc->mutex.os_mutex);
-        return_ACPI_STATUS(AE_OK);
+        acpi_ex_reacquire_interpreter();
+        return (AE_OK);
 }
 
 /*******************************************************************************
@@ -314,7 +222,7 @@ acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc)
  *
  ******************************************************************************/
 
-acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc)
+acpi_status acpi_ex_system_signal_event(union acpi_operand_object * obj_desc)
 {
         acpi_status status = AE_OK;
 
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index 982c8b65876f..6b0aeccbb69b 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -76,14 +76,15 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base);
  *
  * PARAMETERS:  None
  *
- * RETURN:      Status
+ * RETURN:      None
  *
- * DESCRIPTION: Enter the interpreter execution region.  Failure to enter
- *              the interpreter region is a fatal system error
+ * DESCRIPTION: Enter the interpreter execution region. Failure to enter
+ *              the interpreter region is a fatal system error. Used in
+ *              conjunction with exit_interpreter.
  *
  ******************************************************************************/
 
-acpi_status acpi_ex_enter_interpreter(void)
+void acpi_ex_enter_interpreter(void)
 {
         acpi_status status;
 
@@ -91,31 +92,55 @@ acpi_status acpi_ex_enter_interpreter(void)
 
         status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
         if (ACPI_FAILURE(status)) {
-                ACPI_ERROR((AE_INFO, "Could not acquire interpreter mutex"));
+                ACPI_ERROR((AE_INFO,
+                            "Could not acquire AML Interpreter mutex"));
         }
 
-        return_ACPI_STATUS(status);
+        return_VOID;
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ex_exit_interpreter
+ * FUNCTION:    acpi_ex_reacquire_interpreter
  *
  * PARAMETERS:  None
  *
  * RETURN:      None
  *
- * DESCRIPTION: Exit the interpreter execution region
+ * DESCRIPTION: Reacquire the interpreter execution region from within the
+ *              interpreter code. Failure to enter the interpreter region is a
+ *              fatal system error. Used in  conjuction with
+ *              relinquish_interpreter
+ *
+ ******************************************************************************/
+
+void acpi_ex_reacquire_interpreter(void)
+{
+        ACPI_FUNCTION_TRACE(ex_reacquire_interpreter);
+
+        /*
+         * If the global serialized flag is set, do not release the interpreter,
+         * since it was not actually released by acpi_ex_relinquish_interpreter.
+         * This forces the interpreter to be single threaded.
+         */
+        if (!acpi_gbl_all_methods_serialized) {
+                acpi_ex_enter_interpreter();
+        }
+
+        return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_exit_interpreter
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
  *
- * Cases where the interpreter is unlocked:
- *      1) Completion of the execution of a control method
- *      2) Method blocked on a Sleep() AML opcode
- *      3) Method blocked on an Acquire() AML opcode
- *      4) Method blocked on a Wait() AML opcode
- *      5) Method blocked to acquire the global lock
- *      6) Method blocked to execute a serialized control method that is
- *          already executing
- *      7) About to invoke a user-installed opregion handler
+ * DESCRIPTION: Exit the interpreter execution region. This is the top level
+ *              routine used to exit the interpreter when all processing has
+ *              been completed.
  *
  ******************************************************************************/
 
@@ -127,7 +152,46 @@ void acpi_ex_exit_interpreter(void)
 
         status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
         if (ACPI_FAILURE(status)) {
-                ACPI_ERROR((AE_INFO, "Could not release interpreter mutex"));
+                ACPI_ERROR((AE_INFO,
+                            "Could not release AML Interpreter mutex"));
+        }
+
+        return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_relinquish_interpreter
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Exit the interpreter execution region, from within the
+ *              interpreter - before attempting an operation that will possibly
+ *              block the running thread.
+ *
+ * Cases where the interpreter is unlocked internally
+ *      1) Method to be blocked on a Sleep() AML opcode
+ *      2) Method to be blocked on an Acquire() AML opcode
+ *      3) Method to be blocked on a Wait() AML opcode
+ *      4) Method to be blocked to acquire the global lock
+ *      5) Method to be blocked waiting to execute a serialized control method
+ *          that is currently executing
+ *      6) About to invoke a user-installed opregion handler
+ *
+ ******************************************************************************/
+
+void acpi_ex_relinquish_interpreter(void)
+{
+        ACPI_FUNCTION_TRACE(ex_relinquish_interpreter);
+
+        /*
+         * If the global serialized flag is set, do not release the interpreter.
+         * This forces the interpreter to be single threaded.
+         */
+        if (!acpi_gbl_all_methods_serialized) {
+                acpi_ex_exit_interpreter();
         }
 
         return_VOID;
@@ -141,8 +205,8 @@ void acpi_ex_exit_interpreter(void)
  *
  * RETURN:      none
  *
- * DESCRIPTION: Truncate a number to 32-bits if the currently executing method
- *              belongs to a 32-bit ACPI table.
+ * DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is
+ *              32-bit, as determined by the revision of the DSDT.
  *
  ******************************************************************************/
 
diff --git a/drivers/acpi/hardware/hwacpi.c b/drivers/acpi/hardware/hwacpi.c
index de50fab2a910..6031ca13dd2f 100644
--- a/drivers/acpi/hardware/hwacpi.c
+++ b/drivers/acpi/hardware/hwacpi.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,41 +49,6 @@ ACPI_MODULE_NAME("hwacpi")
 
 /******************************************************************************
  *
- * FUNCTION:    acpi_hw_initialize
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Initialize and validate the various ACPI registers defined in
- *              the FADT.
- *
- ******************************************************************************/
-acpi_status acpi_hw_initialize(void)
-{
-        acpi_status status;
-
-        ACPI_FUNCTION_TRACE(hw_initialize);
-
-        /* We must have the ACPI tables by the time we get here */
-
-        if (!acpi_gbl_FADT) {
-                ACPI_ERROR((AE_INFO, "No FADT is present"));
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
-        /* Sanity check the FADT for valid values */
-
-        status = acpi_ut_validate_fadt();
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        return_ACPI_STATUS(AE_OK);
-}
-
-/******************************************************************************
- *
  * FUNCTION:    acpi_hw_set_mode
  *
  * PARAMETERS:  Mode            - SYS_MODE_ACPI or SYS_MODE_LEGACY
@@ -93,7 +58,6 @@ acpi_status acpi_hw_initialize(void)
  * DESCRIPTION: Transitions the system into the requested mode.
  *
  ******************************************************************************/
-
 acpi_status acpi_hw_set_mode(u32 mode)
 {
 
@@ -106,7 +70,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
          * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
          * system does not support mode transition.
          */
-        if (!acpi_gbl_FADT->smi_cmd) {
+        if (!acpi_gbl_FADT.smi_command) {
                 ACPI_ERROR((AE_INFO,
                             "No SMI_CMD in FADT, mode transition failed"));
                 return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
@@ -119,7 +83,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
          * we make sure both the numbers are zero to determine these
          * transitions are not supported.
          */
-        if (!acpi_gbl_FADT->acpi_enable && !acpi_gbl_FADT->acpi_disable) {
+        if (!acpi_gbl_FADT.acpi_enable && !acpi_gbl_FADT.acpi_disable) {
                 ACPI_ERROR((AE_INFO,
                             "No ACPI mode transition supported in this system (enable/disable both zero)"));
                 return_ACPI_STATUS(AE_OK);
@@ -130,9 +94,8 @@ acpi_status acpi_hw_set_mode(u32 mode)
 
                 /* BIOS should have disabled ALL fixed and GP events */
 
-                status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd,
-                                            (u32) acpi_gbl_FADT->acpi_enable,
-                                            8);
+                status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+                                            (u32) acpi_gbl_FADT.acpi_enable, 8);
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                   "Attempting to enable ACPI mode\n"));
                 break;
@@ -143,8 +106,8 @@ acpi_status acpi_hw_set_mode(u32 mode)
                  * BIOS should clear all fixed status bits and restore fixed event
                  * enable bits to default
                  */
-                status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd,
-                                            (u32) acpi_gbl_FADT->acpi_disable,
+                status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+                                            (u32) acpi_gbl_FADT.acpi_disable,
                                             8);
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                   "Attempting to enable Legacy (non-ACPI) mode\n"));
@@ -204,12 +167,11 @@ u32 acpi_hw_get_mode(void)
          * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
          * system does not support mode transition.
          */
-        if (!acpi_gbl_FADT->smi_cmd) {
+        if (!acpi_gbl_FADT.smi_command) {
                 return_UINT32(ACPI_SYS_MODE_ACPI);
         }
 
-        status =
-            acpi_get_register(ACPI_BITREG_SCI_ENABLE, &value, ACPI_MTX_LOCK);
+        status = acpi_get_register(ACPI_BITREG_SCI_ENABLE, &value);
         if (ACPI_FAILURE(status)) {
                 return_UINT32(ACPI_SYS_MODE_LEGACY);
         }
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
index 608a3a60ee11..117a05cadaaa 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/hardware/hwgpe.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -105,14 +105,20 @@ acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info)
 acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
 {
         acpi_status status;
+        u8 register_bit;
 
         ACPI_FUNCTION_ENTRY();
 
+        register_bit = (u8)
+            (1 <<
+             (gpe_event_info->gpe_number -
+              gpe_event_info->register_info->base_gpe_number));
+
         /*
          * Write a one to the appropriate bit in the status register to
          * clear this GPE.
          */
-        status = acpi_hw_low_level_write(8, gpe_event_info->register_bit,
+        status = acpi_hw_low_level_write(8, register_bit,
                                          &gpe_event_info->register_info->
                                          status_address);
 
@@ -155,7 +161,10 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
 
         /* Get the register bitmask for this GPE */
 
-        register_bit = gpe_event_info->register_bit;
+        register_bit = (u8)
+            (1 <<
+             (gpe_event_info->gpe_number -
+              gpe_event_info->register_info->base_gpe_number));
 
         /* GPE currently enabled? (enabled for runtime?) */
 
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
index fa58c1edce1e..1d371fa663f2 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/hardware/hwregs.c
@@ -7,7 +7,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,17 +54,15 @@ ACPI_MODULE_NAME("hwregs")
  *
  * FUNCTION:    acpi_hw_clear_acpi_status
  *
- * PARAMETERS:  Flags           - Lock the hardware or not
+ * PARAMETERS:  None
  *
- * RETURN:      none
+ * RETURN:      None
  *
  * DESCRIPTION: Clears all fixed and general purpose status bits
  *              THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
  *
- * NOTE: TBD: Flags parameter is obsolete, to be removed
- *
  ******************************************************************************/
-acpi_status acpi_hw_clear_acpi_status(u32 flags)
+acpi_status acpi_hw_clear_acpi_status(void)
 {
         acpi_status status;
         acpi_cpu_flags lock_flags = 0;
@@ -73,7 +71,7 @@ acpi_status acpi_hw_clear_acpi_status(u32 flags)
 
         ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n",
                           ACPI_BITMASK_ALL_FIXED_STATUS,
-                          (u16) acpi_gbl_FADT->xpm1a_evt_blk.address));
+                          (u16) acpi_gbl_FADT.xpm1a_event_block.address));
 
         lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
 
@@ -86,10 +84,10 @@ acpi_status acpi_hw_clear_acpi_status(u32 flags)
 
         /* Clear the fixed events */
 
-        if (acpi_gbl_FADT->xpm1b_evt_blk.address) {
+        if (acpi_gbl_FADT.xpm1b_event_block.address) {
                 status =
                     acpi_hw_low_level_write(16, ACPI_BITMASK_ALL_FIXED_STATUS,
-                                            &acpi_gbl_FADT->xpm1b_evt_blk);
+                                            &acpi_gbl_FADT.xpm1b_event_block);
                 if (ACPI_FAILURE(status)) {
                         goto unlock_and_exit;
                 }
@@ -253,18 +251,15 @@ struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
  *
  * PARAMETERS:  register_id     - ID of ACPI bit_register to access
  *              return_value    - Value that was read from the register
- *              Flags           - Lock the hardware or not
  *
  * 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.
  *
- * NOTE: TBD: Flags parameter is obsolete, to be removed
- *
  ******************************************************************************/
 
-acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
+acpi_status acpi_get_register(u32 register_id, u32 * return_value)
 {
         u32 register_value = 0;
         struct acpi_bit_register_info *bit_reg_info;
@@ -312,16 +307,13 @@ ACPI_EXPORT_SYMBOL(acpi_get_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
- *              Flags           - Lock the hardware or not
  *
  * RETURN:      Status
  *
  * DESCRIPTION: ACPI Bit Register write function.
  *
- * NOTE: TBD: Flags parameter is obsolete, to be removed
- *
  ******************************************************************************/
-acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
+acpi_status acpi_set_register(u32 register_id, u32 value)
 {
         u32 register_value = 0;
         struct acpi_bit_register_info *bit_reg_info;
@@ -422,8 +414,9 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
                 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_cnt_blk.address)));
+                                  ACPI_FORMAT_UINT64(acpi_gbl_FADT.
+                                                     xpm2_control_block.
+                                                     address)));
 
                 ACPI_REGISTER_INSERT_VALUE(register_value,
                                            bit_reg_info->bit_position,
@@ -433,8 +426,9 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
                 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_cnt_blk.address)));
+                                  ACPI_FORMAT_UINT64(acpi_gbl_FADT.
+                                                     xpm2_control_block.
+                                                     address)));
 
                 status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
                                                 ACPI_REGISTER_PM2_CONTROL,
@@ -495,7 +489,7 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
 
                 status =
                     acpi_hw_low_level_read(16, &value1,
-                                           &acpi_gbl_FADT->xpm1a_evt_blk);
+                                           &acpi_gbl_FADT.xpm1a_event_block);
                 if (ACPI_FAILURE(status)) {
                         goto unlock_and_exit;
                 }
@@ -504,7 +498,7 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
 
                 status =
                     acpi_hw_low_level_read(16, &value2,
-                                           &acpi_gbl_FADT->xpm1b_evt_blk);
+                                           &acpi_gbl_FADT.xpm1b_event_block);
                 value1 |= value2;
                 break;
 
@@ -527,14 +521,14 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
 
                 status =
                     acpi_hw_low_level_read(16, &value1,
-                                           &acpi_gbl_FADT->xpm1a_cnt_blk);
+                                           &acpi_gbl_FADT.xpm1a_control_block);
                 if (ACPI_FAILURE(status)) {
                         goto unlock_and_exit;
                 }
 
                 status =
                     acpi_hw_low_level_read(16, &value2,
-                                           &acpi_gbl_FADT->xpm1b_cnt_blk);
+                                           &acpi_gbl_FADT.xpm1b_control_block);
                 value1 |= value2;
                 break;
 
@@ -542,19 +536,20 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
 
                 status =
                     acpi_hw_low_level_read(8, &value1,
-                                           &acpi_gbl_FADT->xpm2_cnt_blk);
+                                           &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_tmr_blk);
+                                           &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_cmd, &value1, 8);
+                status =
+                    acpi_os_read_port(acpi_gbl_FADT.smi_command, &value1, 8);
                 break;
 
         default:
@@ -635,7 +630,7 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
 
                 status =
                     acpi_hw_low_level_write(16, value,
-                                            &acpi_gbl_FADT->xpm1a_evt_blk);
+                                            &acpi_gbl_FADT.xpm1a_event_block);
                 if (ACPI_FAILURE(status)) {
                         goto unlock_and_exit;
                 }
@@ -644,7 +639,7 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
 
                 status =
                     acpi_hw_low_level_write(16, value,
-                                            &acpi_gbl_FADT->xpm1b_evt_blk);
+                                            &acpi_gbl_FADT.xpm1b_event_block);
                 break;
 
         case ACPI_REGISTER_PM1_ENABLE:  /* 16-bit access */
@@ -682,49 +677,50 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
 
                 status =
                     acpi_hw_low_level_write(16, value,
-                                            &acpi_gbl_FADT->xpm1a_cnt_blk);
+                                            &acpi_gbl_FADT.xpm1a_control_block);
                 if (ACPI_FAILURE(status)) {
                         goto unlock_and_exit;
                 }
 
                 status =
                     acpi_hw_low_level_write(16, value,
-                                            &acpi_gbl_FADT->xpm1b_cnt_blk);
+                                            &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_cnt_blk);
+                                            &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_cnt_blk);
+                                            &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_cnt_blk);
+                                            &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_tmr_blk);
+                                            &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_cmd, value, 8);
+                status =
+                    acpi_os_write_port(acpi_gbl_FADT.smi_command, value, 8);
                 break;
 
         default:
@@ -783,7 +779,7 @@ acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg)
          * Two address spaces supported: Memory or IO.
          * PCI_Config is not supported here because the GAS struct is insufficient
          */
-        switch (reg->address_space_id) {
+        switch (reg->space_id) {
         case ACPI_ADR_SPACE_SYSTEM_MEMORY:
 
                 status = acpi_os_read_memory((acpi_physical_address) address,
@@ -792,22 +788,20 @@ acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg)
 
         case ACPI_ADR_SPACE_SYSTEM_IO:
 
-                status = acpi_os_read_port((acpi_io_address) address,
-                                           value, width);
+                status =
+                    acpi_os_read_port((acpi_io_address) address, value, width);
                 break;
 
         default:
                 ACPI_ERROR((AE_INFO,
-                            "Unsupported address space: %X",
-                            reg->address_space_id));
+                            "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->address_space_id)));
+                          *value, width, ACPI_FORMAT_UINT64(address),
+                          acpi_ut_get_region_name(reg->space_id)));
 
         return (status);
 }
@@ -854,7 +848,7 @@ acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg)
          * Two address spaces supported: Memory or IO.
          * PCI_Config is not supported here because the GAS struct is insufficient
          */
-        switch (reg->address_space_id) {
+        switch (reg->space_id) {
         case ACPI_ADR_SPACE_SYSTEM_MEMORY:
 
                 status = acpi_os_write_memory((acpi_physical_address) address,
@@ -863,22 +857,20 @@ acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg)
 
         case ACPI_ADR_SPACE_SYSTEM_IO:
 
-                status = acpi_os_write_port((acpi_io_address) address,
-                                            value, width);
+                status = acpi_os_write_port((acpi_io_address) address, value,
+                                            width);
                 break;
 
         default:
                 ACPI_ERROR((AE_INFO,
-                            "Unsupported address space: %X",
-                            reg->address_space_id));
+                            "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->address_space_id)));
+                          value, width, ACPI_FORMAT_UINT64(address),
+                          acpi_ut_get_region_name(reg->space_id)));
 
         return (status);
 }
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 8bb43cae60c2..57901ca3ade9 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,6 +43,7 @@
  */
 
 #include <acpi/acpi.h>
+#include <acpi/actables.h>
 
 #define _COMPONENT          ACPI_HARDWARE
 ACPI_MODULE_NAME("hwsleep")
@@ -62,17 +63,32 @@ ACPI_MODULE_NAME("hwsleep")
 acpi_status
 acpi_set_firmware_waking_vector(acpi_physical_address 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,
+                                    (struct acpi_table_header **)&facs);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         /* Set the vector */
 
-        if (acpi_gbl_common_fACS.vector_width == 32) {
-                *(ACPI_CAST_PTR
-                  (u32, acpi_gbl_common_fACS.firmware_waking_vector))
-                    = (u32) physical_address;
+        if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) {
+                /*
+                 * ACPI 1.0 FACS or short table or optional X_ field is zero
+                 */
+                facs->firmware_waking_vector = (u32) physical_address;
         } else {
-                *acpi_gbl_common_fACS.firmware_waking_vector = physical_address;
+                /*
+                 * ACPI 2.0 FACS with valid X_ field
+                 */
+                facs->xfirmware_waking_vector = physical_address;
         }
 
         return_ACPI_STATUS(AE_OK);
@@ -97,6 +113,8 @@ ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
 acpi_status
 acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
 {
+        struct acpi_table_facs *facs;
+        acpi_status status;
 
         ACPI_FUNCTION_TRACE(acpi_get_firmware_waking_vector);
 
@@ -104,16 +122,29 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
+        /* Get the FACS */
+
+        status =
+            acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+                                    (struct acpi_table_header **)&facs);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         /* Get the vector */
 
-        if (acpi_gbl_common_fACS.vector_width == 32) {
-                *physical_address = (acpi_physical_address)
-                    *
-                    (ACPI_CAST_PTR
-                     (u32, acpi_gbl_common_fACS.firmware_waking_vector));
+        if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) {
+                /*
+                 * ACPI 1.0 FACS or short table or optional X_ field is zero
+                 */
+                *physical_address =
+                    (acpi_physical_address) facs->firmware_waking_vector;
         } else {
+                /*
+                 * ACPI 2.0 FACS with valid X_ field
+                 */
                 *physical_address =
-                    *acpi_gbl_common_fACS.firmware_waking_vector;
+                    (acpi_physical_address) facs->xfirmware_waking_vector;
         }
 
         return_ACPI_STATUS(AE_OK);
@@ -246,15 +277,14 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
 
         /* Clear wake status */
 
-        status =
-            acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
+        status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
 
         /* Clear all fixed and general purpose status bits */
 
-        status = acpi_hw_clear_acpi_status(ACPI_MTX_DO_NOT_LOCK);
+        status = acpi_hw_clear_acpi_status();
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -367,8 +397,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
         /* Wait until we enter sleep state */
 
         do {
-                status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value,
-                                           ACPI_MTX_DO_NOT_LOCK);
+                status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value);
                 if (ACPI_FAILURE(status)) {
                         return_ACPI_STATUS(status);
                 }
@@ -401,13 +430,12 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
 
         ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios);
 
-        status =
-            acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
+        status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
 
-        status = acpi_hw_clear_acpi_status(ACPI_MTX_DO_NOT_LOCK);
+        status = acpi_hw_clear_acpi_status();
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -429,13 +457,12 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
 
         ACPI_FLUSH_CPU_CACHE();
 
-        status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd,
-                                    (u32) acpi_gbl_FADT->S4bios_req, 8);
+        status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+                                    (u32) acpi_gbl_FADT.S4bios_request, 8);
 
         do {
                 acpi_os_stall(1000);
-                status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value,
-                                           ACPI_MTX_DO_NOT_LOCK);
+                status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value);
                 if (ACPI_FAILURE(status)) {
                         return_ACPI_STATUS(status);
                 }
@@ -568,13 +595,11 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
 
         (void)
             acpi_set_register(acpi_gbl_fixed_event_info
-                              [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1,
-                              ACPI_MTX_DO_NOT_LOCK);
+                              [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1);
 
         (void)
             acpi_set_register(acpi_gbl_fixed_event_info
-                              [ACPI_EVENT_POWER_BUTTON].status_register_id, 1,
-                              ACPI_MTX_DO_NOT_LOCK);
+                              [ACPI_EVENT_POWER_BUTTON].status_register_id, 1);
 
         arg.integer.value = ACPI_SST_WORKING;
         status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c
index c4ec47c939fd..c32eab696acd 100644
--- a/drivers/acpi/hardware/hwtimer.c
+++ b/drivers/acpi/hardware/hwtimer.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -66,7 +66,7 @@ acpi_status acpi_get_timer_resolution(u32 * resolution)
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
-        if (acpi_gbl_FADT->tmr_val_ext == 0) {
+        if ((acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) == 0) {
                 *resolution = 24;
         } else {
                 *resolution = 32;
@@ -98,7 +98,8 @@ acpi_status acpi_get_timer(u32 * ticks)
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
-        status = acpi_hw_low_level_read(32, ticks, &acpi_gbl_FADT->xpm_tmr_blk);
+        status =
+            acpi_hw_low_level_read(32, ticks, &acpi_gbl_FADT.xpm_timer_block);
 
         return_ACPI_STATUS(status);
 }
@@ -153,7 +154,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
         if (start_ticks < end_ticks) {
                 delta_ticks = end_ticks - start_ticks;
         } else if (start_ticks > end_ticks) {
-                if (acpi_gbl_FADT->tmr_val_ext == 0) {
+                if ((acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) == 0) {
 
                         /* 24-bit Timer */
 
diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c
index 2e17ec75af03..b61107b05262 100644
--- a/drivers/acpi/motherboard.c
+++ b/drivers/acpi/motherboard.c
@@ -134,41 +134,41 @@ static void __init acpi_request_region (struct acpi_generic_address *addr,
         if (!addr->address || !length)
                 return;
 
-        if (addr->address_space_id == ACPI_ADR_SPACE_SYSTEM_IO)
+        if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
                 request_region(addr->address, length, desc);
-        else if (addr->address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
+        else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
                 request_mem_region(addr->address, length, desc);
 }
 
 static void __init acpi_reserve_resources(void)
 {
-        acpi_request_region(&acpi_gbl_FADT->xpm1a_evt_blk,
-                               acpi_gbl_FADT->pm1_evt_len, "ACPI PM1a_EVT_BLK");
+        acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block,
+                               acpi_gbl_FADT.pm1_event_length, "ACPI PM1a_EVT_BLK");
 
-        acpi_request_region(&acpi_gbl_FADT->xpm1b_evt_blk,
-                               acpi_gbl_FADT->pm1_evt_len, "ACPI PM1b_EVT_BLK");
+        acpi_request_region(&acpi_gbl_FADT.xpm1b_event_block,
+                               acpi_gbl_FADT.pm1_event_length, "ACPI PM1b_EVT_BLK");
 
-        acpi_request_region(&acpi_gbl_FADT->xpm1a_cnt_blk,
-                               acpi_gbl_FADT->pm1_cnt_len, "ACPI PM1a_CNT_BLK");
+        acpi_request_region(&acpi_gbl_FADT.xpm1a_control_block,
+                               acpi_gbl_FADT.pm1_control_length, "ACPI PM1a_CNT_BLK");
 
-        acpi_request_region(&acpi_gbl_FADT->xpm1b_cnt_blk,
-                               acpi_gbl_FADT->pm1_cnt_len, "ACPI PM1b_CNT_BLK");
+        acpi_request_region(&acpi_gbl_FADT.xpm1b_control_block,
+                               acpi_gbl_FADT.pm1_control_length, "ACPI PM1b_CNT_BLK");
 
-        if (acpi_gbl_FADT->pm_tm_len == 4)
-                acpi_request_region(&acpi_gbl_FADT->xpm_tmr_blk, 4, "ACPI PM_TMR");
+        if (acpi_gbl_FADT.pm_timer_length == 4)
+                acpi_request_region(&acpi_gbl_FADT.xpm_timer_block, 4, "ACPI PM_TMR");
 
-        acpi_request_region(&acpi_gbl_FADT->xpm2_cnt_blk,
-                               acpi_gbl_FADT->pm2_cnt_len, "ACPI PM2_CNT_BLK");
+        acpi_request_region(&acpi_gbl_FADT.xpm2_control_block,
+                               acpi_gbl_FADT.pm2_control_length, "ACPI PM2_CNT_BLK");
 
         /* Length of GPE blocks must be a non-negative multiple of 2 */
 
-        if (!(acpi_gbl_FADT->gpe0_blk_len & 0x1))
-                acpi_request_region(&acpi_gbl_FADT->xgpe0_blk,
-                               acpi_gbl_FADT->gpe0_blk_len, "ACPI GPE0_BLK");
+        if (!(acpi_gbl_FADT.gpe0_block_length & 0x1))
+                acpi_request_region(&acpi_gbl_FADT.xgpe0_block,
+                               acpi_gbl_FADT.gpe0_block_length, "ACPI GPE0_BLK");
 
-        if (!(acpi_gbl_FADT->gpe1_blk_len & 0x1))
-                acpi_request_region(&acpi_gbl_FADT->xgpe1_blk,
-                               acpi_gbl_FADT->gpe1_blk_len, "ACPI GPE1_BLK");
+        if (!(acpi_gbl_FADT.gpe1_block_length & 0x1))
+                acpi_request_region(&acpi_gbl_FADT.xgpe1_block,
+                               acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK");
 }
 
 static int __init acpi_motherboard_init(void)
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index c1c6c236df9a..57faf598bad8 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -195,31 +195,27 @@ acpi_status acpi_ns_root_initialize(void)
                                 obj_desc->mutex.sync_level =
                                     (u8) (ACPI_TO_INTEGER(val) - 1);
 
-                                if (ACPI_STRCMP(init_val->name, "_GL_") == 0) {
+                                /* Create a mutex */
 
-                                        /* Create a counting semaphore for the global lock */
+                                status =
+                                    acpi_os_create_mutex(&obj_desc->mutex.
+                                                         os_mutex);
+                                if (ACPI_FAILURE(status)) {
+                                        acpi_ut_remove_reference(obj_desc);
+                                        goto unlock_and_exit;
+                                }
 
-                                        status =
-                                            acpi_os_create_semaphore
-                                            (ACPI_NO_UNIT_LIMIT, 1,
-                                             &acpi_gbl_global_lock_semaphore);
-                                        if (ACPI_FAILURE(status)) {
-                                                acpi_ut_remove_reference
-                                                    (obj_desc);
-                                                goto unlock_and_exit;
-                                        }
+                                /* Special case for ACPI Global Lock */
 
-                                        /* Mark this mutex as very special */
+                                if (ACPI_STRCMP(init_val->name, "_GL_") == 0) {
+                                        acpi_gbl_global_lock_mutex =
+                                            obj_desc->mutex.os_mutex;
 
-                                        obj_desc->mutex.os_mutex =
-                                            ACPI_GLOBAL_LOCK;
-                                } else {
-                                        /* Create a mutex */
+                                        /* Create additional counting semaphore for global lock */
 
                                         status =
-                                            acpi_os_create_mutex(&obj_desc->
-                                                                 mutex.
-                                                                 os_mutex);
+                                            acpi_os_create_semaphore(1, 0,
+                                                                     &acpi_gbl_global_lock_semaphore);
                                         if (ACPI_FAILURE(status)) {
                                                 acpi_ut_remove_reference
                                                     (obj_desc);
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 55b407aae266..1d693d8ad2d8 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -61,6 +61,9 @@ ACPI_MODULE_NAME("nsalloc")
 struct acpi_namespace_node *acpi_ns_create_node(u32 name)
 {
         struct acpi_namespace_node *node;
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        u32 temp;
+#endif
 
         ACPI_FUNCTION_TRACE(ns_create_node);
 
@@ -71,6 +74,15 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name)
 
         ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++);
 
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        temp =
+            acpi_gbl_ns_node_list->total_allocated -
+            acpi_gbl_ns_node_list->total_freed;
+        if (temp > acpi_gbl_ns_node_list->max_occupied) {
+                acpi_gbl_ns_node_list->max_occupied = temp;
+        }
+#endif
+
         node->name.integer = name;
         ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED);
         return_PTR(node);
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index d72df66aa965..1fc4f86676e1 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -205,7 +205,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
 
                 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
                         this_node->name.integer =
-                            acpi_ut_repair_name(this_node->name.integer);
+                            acpi_ut_repair_name(this_node->name.ascii);
 
                         ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
                                       this_node->name.integer));
@@ -226,6 +226,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
         obj_desc = acpi_ns_get_attached_object(this_node);
         acpi_dbg_level = dbg_level;
 
+        /* Temp nodes are those nodes created by a control method */
+
+        if (this_node->flags & ANOBJ_TEMPORARY) {
+                acpi_os_printf("(T) ");
+        }
+
         switch (info->display_type & ACPI_DISPLAY_MASK) {
         case ACPI_DISPLAY_SUMMARY:
 
@@ -623,7 +629,8 @@ acpi_ns_dump_objects(acpi_object_type type,
         info.display_type = display_type;
 
         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
-                                     ACPI_NS_WALK_NO_UNLOCK,
+                                     ACPI_NS_WALK_NO_UNLOCK |
+                                     ACPI_NS_WALK_TEMP_NODES,
                                      acpi_ns_dump_one_object, (void *)&info,
                                      NULL);
 }
diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/namespace/nsdumpdv.c
index c6bf5d30fca3..5097e167939e 100644
--- a/drivers/acpi/namespace/nsdumpdv.c
+++ b/drivers/acpi/namespace/nsdumpdv.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 4b0a4a8c9843..aa6370c67ec1 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -154,11 +154,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
                  * Execute the method via the interpreter. The interpreter is locked
                  * here before calling into the AML parser
                  */
-                status = acpi_ex_enter_interpreter();
-                if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
-                }
-
+                acpi_ex_enter_interpreter();
                 status = acpi_ps_execute_method(info);
                 acpi_ex_exit_interpreter();
         } else {
@@ -182,10 +178,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
                  * resolution, we must lock it because we could access an opregion.
                  * The opregion access code assumes that the interpreter is locked.
                  */
-                status = acpi_ex_enter_interpreter();
-                if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
-                }
+                acpi_ex_enter_interpreter();
 
                 /* Function has a strange interface */
 
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index aec8488c0019..326af8fc0ce7 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -213,7 +213,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
                         u32 level, void *context, void **return_value)
 {
         acpi_object_type type;
-        acpi_status status;
+        acpi_status status = AE_OK;
         struct acpi_init_walk_info *info =
             (struct acpi_init_walk_info *)context;
         struct acpi_namespace_node *node =
@@ -267,10 +267,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
         /*
          * Must lock the interpreter before executing AML code
          */
-        status = acpi_ex_enter_interpreter();
-        if (ACPI_FAILURE(status)) {
-                return (status);
-        }
+        acpi_ex_enter_interpreter();
 
         /*
          * Each of these types can contain executable AML code within the
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index fe75d888e183..d4f9654fd20f 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,13 +44,12 @@
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
 #include <acpi/acdispat.h>
+#include <acpi/actables.h>
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsload")
 
 /* Local prototypes */
-static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type);
-
 #ifdef ACPI_FUTURE_IMPLEMENTATION
 acpi_status acpi_ns_unload_namespace(acpi_handle handle);
 
@@ -62,7 +61,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle);
  *
  * FUNCTION:    acpi_ns_load_table
  *
- * PARAMETERS:  table_desc      - Descriptor for table to be loaded
+ * PARAMETERS:  table_index     - Index for table to be loaded
  *              Node            - Owning NS node
  *
  * RETURN:      Status
@@ -72,42 +71,13 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle);
  ******************************************************************************/
 
 acpi_status
-acpi_ns_load_table(struct acpi_table_desc *table_desc,
+acpi_ns_load_table(acpi_native_uint table_index,
                    struct acpi_namespace_node *node)
 {
         acpi_status status;
 
         ACPI_FUNCTION_TRACE(ns_load_table);
 
-        /* Check if table contains valid AML (must be DSDT, PSDT, SSDT, etc.) */
-
-        if (!
-            (acpi_gbl_table_data[table_desc->type].
-             flags & ACPI_TABLE_EXECUTABLE)) {
-
-                /* Just ignore this table */
-
-                return_ACPI_STATUS(AE_OK);
-        }
-
-        /* Check validity of the AML start and length */
-
-        if (!table_desc->aml_start) {
-                ACPI_ERROR((AE_INFO, "Null AML pointer"));
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AML block at %p\n",
-                          table_desc->aml_start));
-
-        /* Ignore table if there is no AML contained within */
-
-        if (!table_desc->aml_length) {
-                ACPI_WARNING((AE_INFO, "Zero-length AML block in table [%4.4s]",
-                              table_desc->pointer->signature));
-                return_ACPI_STATUS(AE_OK);
-        }
-
         /*
          * Parse the table and load the namespace with all named
          * objects found within.  Control methods are NOT parsed
@@ -117,15 +87,34 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc,
          * to another control method, we can't continue parsing
          * because we don't know how many arguments to parse next!
          */
+        status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        /* If table already loaded into namespace, just return */
+
+        if (acpi_tb_is_table_loaded(table_index)) {
+                status = AE_ALREADY_EXISTS;
+                goto unlock;
+        }
+
         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                           "**** Loading table into namespace ****\n"));
 
-        status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+        status = acpi_tb_allocate_owner_id(table_index);
         if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
+                goto unlock;
+        }
+
+        status = acpi_ns_parse_table(table_index, node->child);
+        if (ACPI_SUCCESS(status)) {
+                acpi_tb_set_table_loaded_flag(table_index, TRUE);
+        } else {
+                acpi_tb_release_owner_id(table_index);
         }
 
-        status = acpi_ns_parse_table(table_desc, node->child);
+      unlock:
         (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 
         if (ACPI_FAILURE(status)) {
@@ -141,7 +130,7 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc,
         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                           "**** Begin Table Method Parsing and Object Initialization ****\n"));
 
-        status = acpi_ds_initialize_objects(table_desc, node);
+        status = acpi_ds_initialize_objects(table_index, node);
 
         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                           "**** Completed Table Method Parsing and Object Initialization ****\n"));
@@ -149,99 +138,7 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc,
         return_ACPI_STATUS(status);
 }
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_load_table_by_type
- *
- * PARAMETERS:  table_type          - Id of the table type to load
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Load an ACPI table or tables into the namespace.  All tables
- *              of the given type are loaded.  The mechanism allows this
- *              routine to be called repeatedly.
- *
- ******************************************************************************/
-
-static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
-{
-        u32 i;
-        acpi_status status;
-        struct acpi_table_desc *table_desc;
-
-        ACPI_FUNCTION_TRACE(ns_load_table_by_type);
-
-        status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /*
-         * Table types supported are:
-         * DSDT (one), SSDT/PSDT (multiple)
-         */
-        switch (table_type) {
-        case ACPI_TABLE_ID_DSDT:
-
-                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace load: DSDT\n"));
-
-                table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_DSDT].next;
-
-                /* If table already loaded into namespace, just return */
-
-                if (table_desc->loaded_into_namespace) {
-                        goto unlock_and_exit;
-                }
-
-                /* Now load the single DSDT */
-
-                status = acpi_ns_load_table(table_desc, acpi_gbl_root_node);
-                if (ACPI_SUCCESS(status)) {
-                        table_desc->loaded_into_namespace = TRUE;
-                }
-                break;
-
-        case ACPI_TABLE_ID_SSDT:
-        case ACPI_TABLE_ID_PSDT:
-
-                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                  "Namespace load: %d SSDT or PSDTs\n",
-                                  acpi_gbl_table_lists[table_type].count));
-
-                /*
-                 * Traverse list of SSDT or PSDT tables
-                 */
-                table_desc = acpi_gbl_table_lists[table_type].next;
-                for (i = 0; i < acpi_gbl_table_lists[table_type].count; i++) {
-                        /*
-                         * Only attempt to load table into namespace if it is not
-                         * already loaded!
-                         */
-                        if (!table_desc->loaded_into_namespace) {
-                                status =
-                                    acpi_ns_load_table(table_desc,
-                                                       acpi_gbl_root_node);
-                                if (ACPI_FAILURE(status)) {
-                                        break;
-                                }
-
-                                table_desc->loaded_into_namespace = TRUE;
-                        }
-
-                        table_desc = table_desc->next;
-                }
-                break;
-
-        default:
-                status = AE_SUPPORT;
-                break;
-        }
-
-      unlock_and_exit:
-        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
-        return_ACPI_STATUS(status);
-}
-
+#ifdef ACPI_OBSOLETE_FUNCTIONS
 /*******************************************************************************
  *
  * FUNCTION:    acpi_load_namespace
@@ -288,6 +185,7 @@ acpi_status acpi_ns_load_namespace(void)
 
         return_ACPI_STATUS(status);
 }
+#endif
 
 #ifdef ACPI_FUTURE_IMPLEMENTATION
 /*******************************************************************************
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index 97b8332c9746..cbd94af08cc5 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c
index aabe8794b908..d9d7377bc6e6 100644
--- a/drivers/acpi/namespace/nsobject.c
+++ b/drivers/acpi/namespace/nsobject.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index 155505a4ef69..e696aa847990 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,7 @@
 #include <acpi/acnamesp.h>
 #include <acpi/acparser.h>
 #include <acpi/acdispat.h>
+#include <acpi/actables.h>
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsparse")
@@ -62,14 +63,24 @@ ACPI_MODULE_NAME("nsparse")
  *
  ******************************************************************************/
 acpi_status
-acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc)
+acpi_ns_one_complete_parse(acpi_native_uint pass_number,
+                           acpi_native_uint table_index)
 {
         union acpi_parse_object *parse_root;
         acpi_status status;
+        acpi_native_uint aml_length;
+        u8 *aml_start;
         struct acpi_walk_state *walk_state;
+        struct acpi_table_header *table;
+        acpi_owner_id owner_id;
 
         ACPI_FUNCTION_TRACE(ns_one_complete_parse);
 
+        status = acpi_tb_get_owner_id(table_index, &owner_id);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
         /* Create and init a Root Node */
 
         parse_root = acpi_ps_create_scope_op();
@@ -79,26 +90,41 @@ acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc)
 
         /* Create and initialize a new walk state */
 
-        walk_state = acpi_ds_create_walk_state(table_desc->owner_id,
-                                               NULL, NULL, NULL);
+        walk_state = acpi_ds_create_walk_state(owner_id, NULL, NULL, NULL);
         if (!walk_state) {
                 acpi_ps_free_op(parse_root);
                 return_ACPI_STATUS(AE_NO_MEMORY);
         }
 
-        status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL,
-                                       table_desc->aml_start,
-                                       table_desc->aml_length, NULL,
-                                       pass_number);
+        status = acpi_get_table_by_index(table_index, &table);
+        if (ACPI_FAILURE(status)) {
+                acpi_ds_delete_walk_state(walk_state);
+                acpi_ps_free_op(parse_root);
+                return_ACPI_STATUS(status);
+        }
+
+        /* Table must consist of at least a complete header */
+
+        if (table->length < sizeof(struct acpi_table_header)) {
+                status = AE_BAD_HEADER;
+        } else {
+                aml_start = (u8 *) table + sizeof(struct acpi_table_header);
+                aml_length = table->length - sizeof(struct acpi_table_header);
+                status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL,
+                                               aml_start, aml_length, NULL,
+                                               (u8) pass_number);
+        }
+
         if (ACPI_FAILURE(status)) {
                 acpi_ds_delete_walk_state(walk_state);
+                acpi_ps_delete_parse_tree(parse_root);
                 return_ACPI_STATUS(status);
         }
 
         /* Parse the AML */
 
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %d parse\n",
-                          pass_number));
+                          (unsigned)pass_number));
         status = acpi_ps_parse_aml(walk_state);
 
         acpi_ps_delete_parse_tree(parse_root);
@@ -119,7 +145,7 @@ acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc)
  ******************************************************************************/
 
 acpi_status
-acpi_ns_parse_table(struct acpi_table_desc *table_desc,
+acpi_ns_parse_table(acpi_native_uint table_index,
                     struct acpi_namespace_node *start_node)
 {
         acpi_status status;
@@ -134,10 +160,10 @@ acpi_ns_parse_table(struct acpi_table_desc *table_desc,
          * each Parser Op subtree is deleted when it is finished.  This saves
          * a great deal of memory, and allows a small cache of parse objects
          * to service the entire parse.  The second pass of the parse then
-         * performs another complete parse of the AML..
+         * performs another complete parse of the AML.
          */
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n"));
-        status = acpi_ns_one_complete_parse(1, table_desc);
+        status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, table_index);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -152,7 +178,7 @@ acpi_ns_parse_table(struct acpi_table_desc *table_desc,
          * parse objects are all cached.
          */
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 2\n"));
-        status = acpi_ns_one_complete_parse(2, table_desc);
+        status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2, table_index);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index 500e2bbcfaf7..e863be665ce8 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -321,7 +321,8 @@ acpi_ns_search_and_enter(u32 target_name,
          * even though there are a few bad names.
          */
         if (!acpi_ut_valid_acpi_name(target_name)) {
-                target_name = acpi_ut_repair_name(target_name);
+                target_name =
+                    acpi_ut_repair_name(ACPI_CAST_PTR(char, &target_name));
 
                 /* Report warning only if in strict mode or debug mode */
 
@@ -401,6 +402,10 @@ acpi_ns_search_and_enter(u32 target_name,
         }
 #endif
 
+        if (flags & ACPI_NS_TEMPORARY) {
+                new_node->flags |= ANOBJ_TEMPORARY;
+        }
+
         /* Install the new object into the parent's list of children */
 
         acpi_ns_install_node(walk_state, node, new_node, type);
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c
index aa4e799d9a8c..90fd059615ff 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/namespace/nsutils.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -770,13 +770,6 @@ void acpi_ns_terminate(void)
         }
 
         ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace freed\n"));
-
-        /*
-         * 2) Now we can delete the ACPI tables
-         */
-        acpi_tb_delete_all_tables();
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n"));
-
         return_VOID;
 }
 
diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/namespace/nswalk.c
index c8f6bef16ed0..94eb8f332d94 100644
--- a/drivers/acpi/namespace/nswalk.c
+++ b/drivers/acpi/namespace/nswalk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -126,7 +126,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
  * PARAMETERS:  Type                - acpi_object_type to search for
  *              start_node          - Handle in namespace where search begins
  *              max_depth           - Depth to which search is to reach
- *              unlock_before_callback- Whether to unlock the NS before invoking
+ *              Flags               - Whether to unlock the NS before invoking
  *                                    the callback routine
  *              user_function       - Called when an object of "Type" is found
  *              Context             - Passed to user function
@@ -153,7 +153,7 @@ acpi_status
 acpi_ns_walk_namespace(acpi_object_type type,
                        acpi_handle start_node,
                        u32 max_depth,
-                       u8 unlock_before_callback,
+                       u32 flags,
                        acpi_walk_callback user_function,
                        void *context, void **return_value)
 {
@@ -193,20 +193,34 @@ acpi_ns_walk_namespace(acpi_object_type type,
                     acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node,
                                           child_node);
                 if (child_node) {
-                        /*
-                         * Found node, Get the type if we are not
-                         * searching for ANY
-                         */
+
+                        /* Found next child, get the type if we are not searching for ANY */
+
                         if (type != ACPI_TYPE_ANY) {
                                 child_type = child_node->type;
                         }
 
-                        if (child_type == type) {
+                        /*
+                         * Ignore all temporary namespace nodes (created during control
+                         * method execution) unless told otherwise. These temporary nodes
+                         * can cause a race condition because they can be deleted during the
+                         * execution of the user function (if the namespace is unlocked before
+                         * invocation of the user function.) Only the debugger namespace dump
+                         * will examine the temporary nodes.
+                         */
+                        if ((child_node->flags & ANOBJ_TEMPORARY) &&
+                            !(flags & ACPI_NS_WALK_TEMP_NODES)) {
+                                status = AE_CTRL_DEPTH;
+                        }
+
+                        /* Type must match requested type */
+
+                        else if (child_type == type) {
                                 /*
-                                 * Found a matching node, invoke the user
-                                 * callback function
+                                 * Found a matching node, invoke the user callback function.
+                                 * Unlock the namespace if flag is set.
                                  */
-                                if (unlock_before_callback) {
+                                if (flags & ACPI_NS_WALK_UNLOCK) {
                                         mutex_status =
                                             acpi_ut_release_mutex
                                             (ACPI_MTX_NAMESPACE);
@@ -216,10 +230,11 @@ acpi_ns_walk_namespace(acpi_object_type type,
                                         }
                                 }
 
-                                status = user_function(child_node, level,
-                                                       context, return_value);
+                                status =
+                                    user_function(child_node, level, context,
+                                                  return_value);
 
-                                if (unlock_before_callback) {
+                                if (flags & ACPI_NS_WALK_UNLOCK) {
                                         mutex_status =
                                             acpi_ut_acquire_mutex
                                             (ACPI_MTX_NAMESPACE);
@@ -251,20 +266,17 @@ acpi_ns_walk_namespace(acpi_object_type type,
                         }
 
                         /*
-                         * Depth first search:
-                         * Attempt to go down another level in the namespace
-                         * if we are allowed to.  Don't go any further if we
-                         * have reached the caller specified maximum depth
-                         * or if the user function has specified that the
-                         * maximum depth has been reached.
+                         * Depth first search: Attempt to go down another level in the
+                         * namespace if we are allowed to.  Don't go any further if we have
+                         * reached the caller specified maximum depth or if the user
+                         * function has specified that the maximum depth has been reached.
                          */
                         if ((level < max_depth) && (status != AE_CTRL_DEPTH)) {
                                 if (acpi_ns_get_next_node
                                     (ACPI_TYPE_ANY, child_node, NULL)) {
-                                        /*
-                                         * There is at least one child of this
-                                         * node, visit the onde
-                                         */
+
+                                        /* There is at least one child of this node, visit it */
+
                                         level++;
                                         parent_node = child_node;
                                         child_node = NULL;
@@ -272,9 +284,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
                         }
                 } else {
                         /*
-                         * No more children of this node (acpi_ns_get_next_node
-                         * failed), go back upwards in the namespace tree to
-                         * the node's parent.
+                         * No more children of this node (acpi_ns_get_next_node failed), go
+                         * back upwards in the namespace tree to the node's parent.
                          */
                         level--;
                         child_node = parent_node;
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index dca6799ac678..7ac6ace50059 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -170,7 +170,6 @@ acpi_evaluate_object(acpi_handle handle,
                      struct acpi_buffer *return_buffer)
 {
         acpi_status status;
-        acpi_status status2;
         struct acpi_evaluate_info *info;
         acpi_size buffer_space_needed;
         u32 i;
@@ -329,14 +328,12 @@ acpi_evaluate_object(acpi_handle handle,
                  * Delete the internal return object. NOTE: Interpreter must be
                  * locked to avoid race condition.
                  */
-                status2 = acpi_ex_enter_interpreter();
-                if (ACPI_SUCCESS(status2)) {
+                acpi_ex_enter_interpreter();
 
-                        /* Remove one reference on the return object (should delete it) */
+                /* Remove one reference on the return object (should delete it) */
 
-                        acpi_ut_remove_reference(info->return_object);
-                        acpi_ex_exit_interpreter();
-                }
+                acpi_ut_remove_reference(info->return_object);
+                acpi_ex_exit_interpreter();
         }
 
       cleanup:
diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/namespace/nsxfname.c
index 978213a6c19f..b489781b22a8 100644
--- a/drivers/acpi/namespace/nsxfname.c
+++ b/drivers/acpi/namespace/nsxfname.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -84,38 +84,41 @@ acpi_get_handle(acpi_handle parent,
         /* Convert a parent handle to a prefix node */
 
         if (parent) {
-                status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-                if (ACPI_FAILURE(status)) {
-                        return (status);
-                }
-
                 prefix_node = acpi_ns_map_handle_to_node(parent);
                 if (!prefix_node) {
-                        (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
                         return (AE_BAD_PARAMETER);
                 }
+        }
+
+        /*
+         * Valid cases are:
+         * 1) Fully qualified pathname
+         * 2) Parent + Relative pathname
+         *
+         * Error for <null Parent + relative path>
+         */
+        if (acpi_ns_valid_root_prefix(pathname[0])) {
 
-                status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-                if (ACPI_FAILURE(status)) {
-                        return (status);
+                /* Pathname is fully qualified (starts with '\') */
+
+                /* Special case for root-only, since we can't search for it */
+
+                if (!ACPI_STRCMP(pathname, ACPI_NS_ROOT_PATH)) {
+                        *ret_handle =
+                            acpi_ns_convert_entry_to_handle(acpi_gbl_root_node);
+                        return (AE_OK);
                 }
-        }
+        } else if (!prefix_node) {
 
-        /* Special case for root, since we can't search for it */
+                /* Relative path with null prefix is disallowed */
 
-        if (ACPI_STRCMP(pathname, ACPI_NS_ROOT_PATH) == 0) {
-                *ret_handle =
-                    acpi_ns_convert_entry_to_handle(acpi_gbl_root_node);
-                return (AE_OK);
+                return (AE_BAD_PARAMETER);
         }
 
-        /*
-         *  Find the Node and convert to a handle
-         */
-        status = acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH,
-                                  &node);
+        /* Find the Node and convert to a handle */
 
-        *ret_handle = NULL;
+        status =
+            acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH, &node);
         if (ACPI_SUCCESS(status)) {
                 *ret_handle = acpi_ns_convert_entry_to_handle(node);
         }
diff --git a/drivers/acpi/namespace/nsxfobj.c b/drivers/acpi/namespace/nsxfobj.c
index a18b1c223129..faa375887201 100644
--- a/drivers/acpi/namespace/nsxfobj.c
+++ b/drivers/acpi/namespace/nsxfobj.c
@@ -6,7 +6,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index bd96a7045925..4a9faff4c01d 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -45,7 +45,7 @@ int __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS]
 int __cpuinitdata node_to_pxm_map[MAX_NUMNODES]
                                 = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
 
-extern int __init acpi_table_parse_madt_family(enum acpi_table_id id,
+extern int __init acpi_table_parse_madt_family(char *id,
                                                unsigned long madt_size,
                                                int entry_id,
                                                acpi_madt_entry_handler handler,
@@ -89,7 +89,7 @@ void __cpuinit acpi_unmap_pxm_to_node(int node)
         node_clear(node, nodes_found_map);
 }
 
-void __init acpi_table_print_srat_entry(acpi_table_entry_header * header)
+void __init acpi_table_print_srat_entry(struct acpi_subtable_header * header)
 {
 
         ACPI_FUNCTION_NAME("acpi_table_print_srat_entry");
@@ -99,36 +99,35 @@ void __init acpi_table_print_srat_entry(acpi_table_entry_header * header)
 
         switch (header->type) {
 
-        case ACPI_SRAT_PROCESSOR_AFFINITY:
+        case ACPI_SRAT_TYPE_CPU_AFFINITY:
 #ifdef ACPI_DEBUG_OUTPUT
                 {
-                        struct acpi_table_processor_affinity *p =
-                            (struct acpi_table_processor_affinity *)header;
+                        struct acpi_srat_cpu_affinity *p =
+                            (struct acpi_srat_cpu_affinity *)header;
                         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                           "SRAT Processor (id[0x%02x] eid[0x%02x]) in proximity domain %d %s\n",
-                                          p->apic_id, p->lsapic_eid,
-                                          p->proximity_domain,
-                                          p->flags.
-                                          enabled ? "enabled" : "disabled"));
+                                          p->apic_id, p->local_sapic_eid,
+                                          p->proximity_domain_lo,
+                                          (p->flags & ACPI_SRAT_CPU_ENABLED)?
+                                          "enabled" : "disabled"));
                 }
 #endif                          /* ACPI_DEBUG_OUTPUT */
                 break;
 
-        case ACPI_SRAT_MEMORY_AFFINITY:
+        case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
 #ifdef ACPI_DEBUG_OUTPUT
                 {
-                        struct acpi_table_memory_affinity *p =
-                            (struct acpi_table_memory_affinity *)header;
+                        struct acpi_srat_mem_affinity *p =
+                            (struct acpi_srat_mem_affinity *)header;
                         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                          "SRAT Memory (0x%08x%08x length 0x%08x%08x type 0x%x) in proximity domain %d %s%s\n",
-                                          p->base_addr_hi, p->base_addr_lo,
-                                          p->length_hi, p->length_lo,
+                                          "SRAT Memory (0x%lx length 0x%lx type 0x%x) in proximity domain %d %s%s\n",
+                                          (unsigned long)p->base_address,
+                                          (unsigned long)p->length,
                                           p->memory_type, p->proximity_domain,
-                                          p->flags.
-                                          enabled ? "enabled" : "disabled",
-                                          p->flags.
-                                          hot_pluggable ? " hot-pluggable" :
-                                          ""));
+                                          (p->flags & ACPI_SRAT_MEM_ENABLED)?
+                                          "enabled" : "disabled",
+                                          (p->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)?
+                                          " hot-pluggable" : ""));
                 }
 #endif                          /* ACPI_DEBUG_OUTPUT */
                 break;
@@ -141,18 +140,18 @@ void __init acpi_table_print_srat_entry(acpi_table_entry_header * header)
         }
 }
 
-static int __init acpi_parse_slit(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_slit(struct acpi_table_header *table)
 {
         struct acpi_table_slit *slit;
         u32 localities;
 
-        if (!phys_addr || !size)
+        if (!table)
                 return -EINVAL;
 
-        slit = (struct acpi_table_slit *)__va(phys_addr);
+        slit = (struct acpi_table_slit *)table;
 
         /* downcast just for %llu vs %lu for i386/ia64  */
-        localities = (u32) slit->localities;
+        localities = (u32) slit->locality_count;
 
         acpi_numa_slit_init(slit);
 
@@ -160,12 +159,12 @@ static int __init acpi_parse_slit(unsigned long phys_addr, unsigned long size)
 }
 
 static int __init
-acpi_parse_processor_affinity(acpi_table_entry_header * header,
+acpi_parse_processor_affinity(struct acpi_subtable_header * header,
                               const unsigned long end)
 {
-        struct acpi_table_processor_affinity *processor_affinity;
+        struct acpi_srat_cpu_affinity *processor_affinity;
 
-        processor_affinity = (struct acpi_table_processor_affinity *)header;
+        processor_affinity = (struct acpi_srat_cpu_affinity *)header;
         if (!processor_affinity)
                 return -EINVAL;
 
@@ -178,12 +177,12 @@ acpi_parse_processor_affinity(acpi_table_entry_header * header,
 }
 
 static int __init
-acpi_parse_memory_affinity(acpi_table_entry_header * header,
+acpi_parse_memory_affinity(struct acpi_subtable_header * header,
                            const unsigned long end)
 {
-        struct acpi_table_memory_affinity *memory_affinity;
+        struct acpi_srat_mem_affinity *memory_affinity;
 
-        memory_affinity = (struct acpi_table_memory_affinity *)header;
+        memory_affinity = (struct acpi_srat_mem_affinity *)header;
         if (!memory_affinity)
                 return -EINVAL;
 
@@ -195,23 +194,23 @@ acpi_parse_memory_affinity(acpi_table_entry_header * header,
         return 0;
 }
 
-static int __init acpi_parse_srat(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_srat(struct acpi_table_header *table)
 {
         struct acpi_table_srat *srat;
 
-        if (!phys_addr || !size)
+        if (!table)
                 return -EINVAL;
 
-        srat = (struct acpi_table_srat *)__va(phys_addr);
+        srat = (struct acpi_table_srat *)table;
 
         return 0;
 }
 
 int __init
-acpi_table_parse_srat(enum acpi_srat_entry_id id,
+acpi_table_parse_srat(enum acpi_srat_type id,
                       acpi_madt_entry_handler handler, unsigned int max_entries)
 {
-        return acpi_table_parse_madt_family(ACPI_SRAT,
+        return acpi_table_parse_madt_family(ACPI_SIG_SRAT,
                                             sizeof(struct acpi_table_srat), id,
                                             handler, max_entries);
 }
@@ -221,17 +220,17 @@ int __init acpi_numa_init(void)
         int result;
 
         /* SRAT: Static Resource Affinity Table */
-        result = acpi_table_parse(ACPI_SRAT, acpi_parse_srat);
+        result = acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat);
 
         if (result > 0) {
-                result = acpi_table_parse_srat(ACPI_SRAT_PROCESSOR_AFFINITY,
+                result = acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
                                                acpi_parse_processor_affinity,
                                                NR_CPUS);
-                result = acpi_table_parse_srat(ACPI_SRAT_MEMORY_AFFINITY, acpi_parse_memory_affinity, NR_NODE_MEMBLKS); // IA64 specific
+                result = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY, acpi_parse_memory_affinity, NR_NODE_MEMBLKS);    // IA64 specific
         }
 
         /* SLIT: System Locality Information Table */
-        result = acpi_table_parse(ACPI_SLIT, acpi_parse_slit);
+        result = acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
 
         acpi_numa_arch_fixup();
         return 0;
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 57ae1e5cde0a..a28f5b8972b4 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -36,6 +36,7 @@
 #include <linux/delay.h>
 #include <linux/workqueue.h>
 #include <linux/nmi.h>
+#include <linux/acpi.h>
 #include <acpi/acpi.h>
 #include <asm/io.h>
 #include <acpi/acpi_bus.h>
@@ -136,53 +137,43 @@ void acpi_os_vprintf(const char *fmt, va_list args)
 #endif
 }
 
-acpi_status acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *addr)
+acpi_physical_address __init acpi_os_get_root_pointer(void)
 {
         if (efi_enabled) {
-                addr->pointer_type = ACPI_PHYSICAL_POINTER;
                 if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
-                        addr->pointer.physical = efi.acpi20;
+                        return efi.acpi20;
                 else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
-                        addr->pointer.physical = efi.acpi;
+                        return efi.acpi;
                 else {
                         printk(KERN_ERR PREFIX
                                "System description tables not found\n");
-                        return AE_NOT_FOUND;
+                        return 0;
                 }
-        } else {
-                if (ACPI_FAILURE(acpi_find_root_pointer(flags, addr))) {
-                        printk(KERN_ERR PREFIX
-                               "System description tables not found\n");
-                        return AE_NOT_FOUND;
-                }
-        }
-
-        return AE_OK;
+        } else
+                return acpi_find_rsdp();
 }
 
-acpi_status
-acpi_os_map_memory(acpi_physical_address phys, acpi_size size,
-                   void __iomem ** virt)
+void __iomem *acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
 {
         if (phys > ULONG_MAX) {
                 printk(KERN_ERR PREFIX "Cannot map memory that high\n");
-                return AE_BAD_PARAMETER;
+                return 0;
         }
-        /*
-         * ioremap checks to ensure this is in reserved space
-         */
-        *virt = ioremap((unsigned long)phys, size);
-
-        if (!*virt)
-                return AE_NO_MEMORY;
-
-        return AE_OK;
+        if (acpi_gbl_permanent_mmap)
+                /*
+                * ioremap checks to ensure this is in reserved space
+                */
+                return ioremap((unsigned long)phys, size);
+        else
+                return __acpi_map_table((unsigned long)phys, size);
 }
 EXPORT_SYMBOL_GPL(acpi_os_map_memory);
 
 void acpi_os_unmap_memory(void __iomem * virt, acpi_size size)
 {
-        iounmap(virt);
+        if (acpi_gbl_permanent_mmap) {
+                iounmap(virt);
+        }
 }
 EXPORT_SYMBOL_GPL(acpi_os_unmap_memory);
 
@@ -254,7 +245,7 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
          * FADT. It may not be the same if an interrupt source override exists
          * for the SCI.
          */
-        gsi = acpi_fadt.sci_int;
+        gsi = acpi_gbl_FADT.sci_interrupt;
         if (acpi_gsi_to_irq(gsi, &irq) < 0) {
                 printk(KERN_ERR PREFIX "SCI (ACPI GSI %d) not registered\n",
                        gsi);
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c
index bf88e076c3e9..c2b9835c890b 100644
--- a/drivers/acpi/parser/psargs.c
+++ b/drivers/acpi/parser/psargs.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index e1541db3753a..773aee82fbb8 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,12 +42,11 @@
  */
 
 /*
- * Parse the AML and build an operation tree as most interpreters,
- * like Perl, do.  Parsing is done by hand rather than with a YACC
- * generated parser to tightly constrain stack and dynamic memory
- * usage.  At the same time, parsing is kept flexible and the code
- * fairly compact by parsing based on a list of AML opcode
- * templates in aml_op_info[]
+ * Parse the AML and build an operation tree as most interpreters, (such as
+ * Perl) do. Parsing is done by hand rather than with a YACC generated parser
+ * to tightly constrain stack and dynamic memory usage. Parsing is kept
+ * flexible and the code fairly compact by parsing based on a list of AML
+ * opcode templates in aml_op_info[].
  */
 
 #include <acpi/acpi.h>
@@ -60,766 +59,679 @@ ACPI_MODULE_NAME("psloop")
 
 static u32 acpi_gbl_depth = 0;
 
+/* Local prototypes */
+
+static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state);
+
+static acpi_status
+acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
+                       u8 * aml_op_start,
+                       union acpi_parse_object *unnamed_op,
+                       union acpi_parse_object **op);
+
+static acpi_status
+acpi_ps_create_op(struct acpi_walk_state *walk_state,
+                  u8 * aml_op_start, union acpi_parse_object **new_op);
+
+static acpi_status
+acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
+                      u8 * aml_op_start, union acpi_parse_object *op);
+
+static acpi_status
+acpi_ps_complete_op(struct acpi_walk_state *walk_state,
+                    union acpi_parse_object **op, acpi_status status);
+
+static acpi_status
+acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
+                          union acpi_parse_object *op, acpi_status status);
+
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ps_parse_loop
+ * FUNCTION:    acpi_ps_get_aml_opcode
  *
  * PARAMETERS:  walk_state          - Current state
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
- *              a tree of ops.
+ * DESCRIPTION: Extract the next AML opcode from the input stream.
  *
  ******************************************************************************/
 
-acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
+static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state)
 {
-        acpi_status status = AE_OK;
-        acpi_status status2;
-        union acpi_parse_object *op = NULL;     /* current op */
-        union acpi_parse_object *arg = NULL;
-        union acpi_parse_object *pre_op = NULL;
-        struct acpi_parse_state *parser_state;
-        u8 *aml_op_start = NULL;
 
-        ACPI_FUNCTION_TRACE_PTR(ps_parse_loop, walk_state);
+        ACPI_FUNCTION_TRACE_PTR(ps_get_aml_opcode, walk_state);
 
-        if (walk_state->descending_callback == NULL) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
+        walk_state->aml_offset =
+            (u32) ACPI_PTR_DIFF(walk_state->parser_state.aml,
+                                walk_state->parser_state.aml_start);
+        walk_state->opcode = acpi_ps_peek_opcode(&(walk_state->parser_state));
 
-        parser_state = &walk_state->parser_state;
-        walk_state->arg_types = 0;
+        /*
+         * First cut to determine what we have found:
+         * 1) A valid AML opcode
+         * 2) A name string
+         * 3) An unknown/invalid opcode
+         */
+        walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode);
 
-#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+        switch (walk_state->op_info->class) {
+        case AML_CLASS_ASCII:
+        case AML_CLASS_PREFIX:
+                /*
+                 * Starts with a valid prefix or ASCII char, this is a name
+                 * string. Convert the bare name string to a namepath.
+                 */
+                walk_state->opcode = AML_INT_NAMEPATH_OP;
+                walk_state->arg_types = ARGP_NAMESTRING;
+                break;
 
-        if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
+        case AML_CLASS_UNKNOWN:
 
-                /* We are restarting a preempted control method */
+                /* The opcode is unrecognized. Just skip unknown opcodes */
 
-                if (acpi_ps_has_completed_scope(parser_state)) {
-                        /*
-                         * We must check if a predicate to an IF or WHILE statement
-                         * was just completed
-                         */
-                        if ((parser_state->scope->parse_scope.op) &&
-                            ((parser_state->scope->parse_scope.op->common.
-                              aml_opcode == AML_IF_OP)
-                             || (parser_state->scope->parse_scope.op->common.
-                                 aml_opcode == AML_WHILE_OP))
-                            && (walk_state->control_state)
-                            && (walk_state->control_state->common.state ==
-                                ACPI_CONTROL_PREDICATE_EXECUTING)) {
-                                /*
-                                 * A predicate was just completed, get the value of the
-                                 * predicate and branch based on that value
-                                 */
-                                walk_state->op = NULL;
-                                status =
-                                    acpi_ds_get_predicate_value(walk_state,
-                                                                ACPI_TO_POINTER
-                                                                (TRUE));
-                                if (ACPI_FAILURE(status)
-                                    && ((status & AE_CODE_MASK) !=
-                                        AE_CODE_CONTROL)) {
-                                        if (status == AE_AML_NO_RETURN_VALUE) {
-                                                ACPI_EXCEPTION((AE_INFO, status,
-                                                                "Invoked method did not return a value"));
+                ACPI_ERROR((AE_INFO,
+                            "Found unknown opcode %X at AML address %p offset %X, ignoring",
+                            walk_state->opcode, walk_state->parser_state.aml,
+                            walk_state->aml_offset));
 
-                                        }
-                                        ACPI_EXCEPTION((AE_INFO, status,
-                                                        "GetPredicate Failed"));
-                                        return_ACPI_STATUS(status);
-                                }
+                ACPI_DUMP_BUFFER(walk_state->parser_state.aml, 128);
 
-                                status =
-                                    acpi_ps_next_parse_state(walk_state, op,
-                                                             status);
-                        }
+                /* Assume one-byte bad opcode */
 
-                        acpi_ps_pop_scope(parser_state, &op,
-                                          &walk_state->arg_types,
-                                          &walk_state->arg_count);
-                        ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
-                                          "Popped scope, Op=%p\n", op));
-                } else if (walk_state->prev_op) {
+                walk_state->parser_state.aml++;
+                return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
 
-                        /* We were in the middle of an op */
+        default:
 
-                        op = walk_state->prev_op;
-                        walk_state->arg_types = walk_state->prev_arg_types;
-                }
+                /* Found opcode info, this is a normal opcode */
+
+                walk_state->parser_state.aml +=
+                    acpi_ps_get_opcode_size(walk_state->opcode);
+                walk_state->arg_types = walk_state->op_info->parse_args;
+                break;
         }
-#endif
 
-        /* Iterative parsing loop, while there is more AML to process: */
+        return_ACPI_STATUS(AE_OK);
+}
 
-        while ((parser_state->aml < parser_state->aml_end) || (op)) {
-                aml_op_start = parser_state->aml;
-                if (!op) {
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_build_named_op
+ *
+ * PARAMETERS:  walk_state          - Current state
+ *              aml_op_start        - Begin of named Op in AML
+ *              unnamed_op          - Early Op (not a named Op)
+ *              Op                  - Returned Op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse a named Op
+ *
+ ******************************************************************************/
 
-                        /* Get the next opcode from the AML stream */
+static acpi_status
+acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
+                       u8 * aml_op_start,
+                       union acpi_parse_object *unnamed_op,
+                       union acpi_parse_object **op)
+{
+        acpi_status status = AE_OK;
+        union acpi_parse_object *arg = NULL;
 
-                        walk_state->aml_offset =
-                            (u32) ACPI_PTR_DIFF(parser_state->aml,
-                                                parser_state->aml_start);
-                        walk_state->opcode = acpi_ps_peek_opcode(parser_state);
+        ACPI_FUNCTION_TRACE_PTR(ps_build_named_op, walk_state);
 
-                        /*
-                         * First cut to determine what we have found:
-                         * 1) A valid AML opcode
-                         * 2) A name string
-                         * 3) An unknown/invalid opcode
-                         */
-                        walk_state->op_info =
-                            acpi_ps_get_opcode_info(walk_state->opcode);
-                        switch (walk_state->op_info->class) {
-                        case AML_CLASS_ASCII:
-                        case AML_CLASS_PREFIX:
-                                /*
-                                 * Starts with a valid prefix or ASCII char, this is a name
-                                 * string.  Convert the bare name string to a namepath.
-                                 */
-                                walk_state->opcode = AML_INT_NAMEPATH_OP;
-                                walk_state->arg_types = ARGP_NAMESTRING;
-                                break;
+        unnamed_op->common.value.arg = NULL;
+        unnamed_op->common.aml_opcode = walk_state->opcode;
 
-                        case AML_CLASS_UNKNOWN:
+        /*
+         * Get and append arguments until we find the node that contains
+         * the name (the type ARGP_NAME).
+         */
+        while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) &&
+               (GET_CURRENT_ARG_TYPE(walk_state->arg_types) != ARGP_NAME)) {
+                status =
+                    acpi_ps_get_next_arg(walk_state,
+                                         &(walk_state->parser_state),
+                                         GET_CURRENT_ARG_TYPE(walk_state->
+                                                              arg_types), &arg);
+                if (ACPI_FAILURE(status)) {
+                        return_ACPI_STATUS(status);
+                }
 
-                                /* The opcode is unrecognized.  Just skip unknown opcodes */
+                acpi_ps_append_arg(unnamed_op, arg);
+                INCREMENT_ARG_LIST(walk_state->arg_types);
+        }
 
-                                ACPI_ERROR((AE_INFO,
-                                            "Found unknown opcode %X at AML address %p offset %X, ignoring",
-                                            walk_state->opcode,
-                                            parser_state->aml,
-                                            walk_state->aml_offset));
+        /*
+         * Make sure that we found a NAME and didn't run out of arguments
+         */
+        if (!GET_CURRENT_ARG_TYPE(walk_state->arg_types)) {
+                return_ACPI_STATUS(AE_AML_NO_OPERAND);
+        }
 
-                                ACPI_DUMP_BUFFER(parser_state->aml, 128);
+        /* We know that this arg is a name, move to next arg */
 
-                                /* Assume one-byte bad opcode */
+        INCREMENT_ARG_LIST(walk_state->arg_types);
 
-                                parser_state->aml++;
-                                continue;
+        /*
+         * Find the object. This will either insert the object into
+         * the namespace or simply look it up
+         */
+        walk_state->op = NULL;
 
-                        default:
+        status = walk_state->descending_callback(walk_state, op);
+        if (ACPI_FAILURE(status)) {
+                ACPI_EXCEPTION((AE_INFO, status, "During name lookup/catalog"));
+                return_ACPI_STATUS(status);
+        }
 
-                                /* Found opcode info, this is a normal opcode */
+        if (!*op) {
+                return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
+        }
 
-                                parser_state->aml +=
-                                    acpi_ps_get_opcode_size(walk_state->opcode);
-                                walk_state->arg_types =
-                                    walk_state->op_info->parse_args;
-                                break;
-                        }
+        status = acpi_ps_next_parse_state(walk_state, *op, status);
+        if (ACPI_FAILURE(status)) {
+                if (status == AE_CTRL_PENDING) {
+                        return_ACPI_STATUS(AE_CTRL_PARSE_PENDING);
+                }
+                return_ACPI_STATUS(status);
+        }
 
-                        /* Create Op structure and append to parent's argument list */
+        acpi_ps_append_arg(*op, unnamed_op->common.value.arg);
+        acpi_gbl_depth++;
 
-                        if (walk_state->op_info->flags & AML_NAMED) {
+        if ((*op)->common.aml_opcode == AML_REGION_OP) {
+                /*
+                 * Defer final parsing of an operation_region body, because we don't
+                 * have enough info in the first pass to parse it correctly (i.e.,
+                 * there may be method calls within the term_arg elements of the body.)
+                 *
+                 * However, we must continue parsing because the opregion is not a
+                 * standalone package -- we don't know where the end is at this point.
+                 *
+                 * (Length is unknown until parse of the body complete)
+                 */
+                (*op)->named.data = aml_op_start;
+                (*op)->named.length = 0;
+        }
 
-                                /* Allocate a new pre_op if necessary */
+        return_ACPI_STATUS(AE_OK);
+}
 
-                                if (!pre_op) {
-                                        pre_op =
-                                            acpi_ps_alloc_op(walk_state->
-                                                             opcode);
-                                        if (!pre_op) {
-                                                status = AE_NO_MEMORY;
-                                                goto close_this_op;
-                                        }
-                                }
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_create_op
+ *
+ * PARAMETERS:  walk_state          - Current state
+ *              aml_op_start        - Op start in AML
+ *              new_op              - Returned Op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get Op from AML
+ *
+ ******************************************************************************/
 
-                                pre_op->common.value.arg = NULL;
-                                pre_op->common.aml_opcode = walk_state->opcode;
+static acpi_status
+acpi_ps_create_op(struct acpi_walk_state *walk_state,
+                  u8 * aml_op_start, union acpi_parse_object **new_op)
+{
+        acpi_status status = AE_OK;
+        union acpi_parse_object *op;
+        union acpi_parse_object *named_op = NULL;
 
-                                /*
-                                 * Get and append arguments until we find the node that contains
-                                 * the name (the type ARGP_NAME).
-                                 */
-                                while (GET_CURRENT_ARG_TYPE
-                                       (walk_state->arg_types)
-                                       &&
-                                       (GET_CURRENT_ARG_TYPE
-                                        (walk_state->arg_types) != ARGP_NAME)) {
-                                        status =
-                                            acpi_ps_get_next_arg(walk_state,
-                                                                 parser_state,
-                                                                 GET_CURRENT_ARG_TYPE
-                                                                 (walk_state->
-                                                                  arg_types),
-                                                                 &arg);
-                                        if (ACPI_FAILURE(status)) {
-                                                goto close_this_op;
-                                        }
+        ACPI_FUNCTION_TRACE_PTR(ps_create_op, walk_state);
 
-                                        acpi_ps_append_arg(pre_op, arg);
-                                        INCREMENT_ARG_LIST(walk_state->
-                                                           arg_types);
-                                }
+        status = acpi_ps_get_aml_opcode(walk_state);
+        if (status == AE_CTRL_PARSE_CONTINUE) {
+                return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
+        }
 
-                                /*
-                                 * Make sure that we found a NAME and didn't run out of
-                                 * arguments
-                                 */
-                                if (!GET_CURRENT_ARG_TYPE
-                                    (walk_state->arg_types)) {
-                                        status = AE_AML_NO_OPERAND;
-                                        goto close_this_op;
-                                }
+        /* Create Op structure and append to parent's argument list */
 
-                                /* We know that this arg is a name, move to next arg */
+        walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode);
+        op = acpi_ps_alloc_op(walk_state->opcode);
+        if (!op) {
+                return_ACPI_STATUS(AE_NO_MEMORY);
+        }
 
-                                INCREMENT_ARG_LIST(walk_state->arg_types);
+        if (walk_state->op_info->flags & AML_NAMED) {
+                status =
+                    acpi_ps_build_named_op(walk_state, aml_op_start, op,
+                                           &named_op);
+                acpi_ps_free_op(op);
+                if (ACPI_FAILURE(status)) {
+                        return_ACPI_STATUS(status);
+                }
 
-                                /*
-                                 * Find the object.  This will either insert the object into
-                                 * the namespace or simply look it up
-                                 */
-                                walk_state->op = NULL;
+                *new_op = named_op;
+                return_ACPI_STATUS(AE_OK);
+        }
 
-                                status =
-                                    walk_state->descending_callback(walk_state,
-                                                                    &op);
-                                if (ACPI_FAILURE(status)) {
-                                        ACPI_EXCEPTION((AE_INFO, status,
-                                                        "During name lookup/catalog"));
-                                        goto close_this_op;
-                                }
+        /* Not a named opcode, just allocate Op and append to parent */
 
-                                if (!op) {
-                                        continue;
-                                }
+        if (walk_state->op_info->flags & AML_CREATE) {
+                /*
+                 * Backup to beginning of create_xXXfield declaration
+                 * body_length is unknown until we parse the body
+                 */
+                op->named.data = aml_op_start;
+                op->named.length = 0;
+        }
 
-                                status =
-                                    acpi_ps_next_parse_state(walk_state, op,
-                                                             status);
-                                if (status == AE_CTRL_PENDING) {
-                                        status = AE_OK;
-                                        goto close_this_op;
-                                }
+        acpi_ps_append_arg(acpi_ps_get_parent_scope
+                           (&(walk_state->parser_state)), op);
 
-                                if (ACPI_FAILURE(status)) {
-                                        goto close_this_op;
-                                }
+        if (walk_state->descending_callback != NULL) {
+                /*
+                 * Find the object. This will either insert the object into
+                 * the namespace or simply look it up
+                 */
+                walk_state->op = *new_op = op;
 
-                                acpi_ps_append_arg(op,
-                                                   pre_op->common.value.arg);
-                                acpi_gbl_depth++;
-
-                                if (op->common.aml_opcode == AML_REGION_OP) {
-                                        /*
-                                         * Defer final parsing of an operation_region body,
-                                         * because we don't have enough info in the first pass
-                                         * to parse it correctly (i.e., there may be method
-                                         * calls within the term_arg elements of the body.)
-                                         *
-                                         * However, we must continue parsing because
-                                         * the opregion is not a standalone package --
-                                         * we don't know where the end is at this point.
-                                         *
-                                         * (Length is unknown until parse of the body complete)
-                                         */
-                                        op->named.data = aml_op_start;
-                                        op->named.length = 0;
-                                }
-                        } else {
-                                /* Not a named opcode, just allocate Op and append to parent */
+                status = walk_state->descending_callback(walk_state, &op);
+                status = acpi_ps_next_parse_state(walk_state, op, status);
+                if (status == AE_CTRL_PENDING) {
+                        status = AE_CTRL_PARSE_PENDING;
+                }
+        }
 
-                                walk_state->op_info =
-                                    acpi_ps_get_opcode_info(walk_state->opcode);
-                                op = acpi_ps_alloc_op(walk_state->opcode);
-                                if (!op) {
-                                        status = AE_NO_MEMORY;
-                                        goto close_this_op;
-                                }
+        return_ACPI_STATUS(status);
+}
 
-                                if (walk_state->op_info->flags & AML_CREATE) {
-                                        /*
-                                         * Backup to beginning of create_xXXfield declaration
-                                         * body_length is unknown until we parse the body
-                                         */
-                                        op->named.data = aml_op_start;
-                                        op->named.length = 0;
-                                }
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_get_arguments
+ *
+ * PARAMETERS:  walk_state          - Current state
+ *              aml_op_start        - Op start in AML
+ *              Op                  - Current Op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get arguments for passed Op.
+ *
+ ******************************************************************************/
 
-                                acpi_ps_append_arg(acpi_ps_get_parent_scope
-                                                   (parser_state), op);
+static acpi_status
+acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
+                      u8 * aml_op_start, union acpi_parse_object *op)
+{
+        acpi_status status = AE_OK;
+        union acpi_parse_object *arg = NULL;
 
-                                if ((walk_state->descending_callback != NULL)) {
-                                        /*
-                                         * Find the object. This will either insert the object into
-                                         * the namespace or simply look it up
-                                         */
-                                        walk_state->op = op;
+        ACPI_FUNCTION_TRACE_PTR(ps_get_arguments, walk_state);
 
-                                        status =
-                                            walk_state->
-                                            descending_callback(walk_state,
-                                                                &op);
-                                        status =
-                                            acpi_ps_next_parse_state(walk_state,
-                                                                     op,
-                                                                     status);
-                                        if (status == AE_CTRL_PENDING) {
-                                                status = AE_OK;
-                                                goto close_this_op;
-                                        }
+        switch (op->common.aml_opcode) {
+        case AML_BYTE_OP:       /* AML_BYTEDATA_ARG */
+        case AML_WORD_OP:       /* AML_WORDDATA_ARG */
+        case AML_DWORD_OP:      /* AML_DWORDATA_ARG */
+        case AML_QWORD_OP:      /* AML_QWORDATA_ARG */
+        case AML_STRING_OP:     /* AML_ASCIICHARLIST_ARG */
 
-                                        if (ACPI_FAILURE(status)) {
-                                                goto close_this_op;
-                                        }
-                                }
-                        }
+                /* Fill in constant or string argument directly */
 
-                        op->common.aml_offset = walk_state->aml_offset;
+                acpi_ps_get_next_simple_arg(&(walk_state->parser_state),
+                                            GET_CURRENT_ARG_TYPE(walk_state->
+                                                                 arg_types),
+                                            op);
+                break;
 
-                        if (walk_state->op_info) {
-                                ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
-                                                  "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n",
-                                                  (u32) op->common.aml_opcode,
-                                                  walk_state->op_info->name, op,
-                                                  parser_state->aml,
-                                                  op->common.aml_offset));
-                        }
+        case AML_INT_NAMEPATH_OP:       /* AML_NAMESTRING_ARG */
+
+                status =
+                    acpi_ps_get_next_namepath(walk_state,
+                                              &(walk_state->parser_state), op,
+                                              1);
+                if (ACPI_FAILURE(status)) {
+                        return_ACPI_STATUS(status);
                 }
 
+                walk_state->arg_types = 0;
+                break;
+
+        default:
                 /*
-                 * Start arg_count at zero because we don't know if there are
-                 * any args yet
+                 * Op is not a constant or string, append each argument to the Op
                  */
-                walk_state->arg_count = 0;
-
-                /* Are there any arguments that must be processed? */
-
-                if (walk_state->arg_types) {
-
-                        /* Get arguments */
-
-                        switch (op->common.aml_opcode) {
-                        case AML_BYTE_OP:       /* AML_BYTEDATA_ARG */
-                        case AML_WORD_OP:       /* AML_WORDDATA_ARG */
-                        case AML_DWORD_OP:      /* AML_DWORDATA_ARG */
-                        case AML_QWORD_OP:      /* AML_QWORDATA_ARG */
-                        case AML_STRING_OP:     /* AML_ASCIICHARLIST_ARG */
-
-                                /* Fill in constant or string argument directly */
-
-                                acpi_ps_get_next_simple_arg(parser_state,
-                                                            GET_CURRENT_ARG_TYPE
-                                                            (walk_state->
-                                                             arg_types), op);
-                                break;
-
-                        case AML_INT_NAMEPATH_OP:       /* AML_NAMESTRING_ARG */
-
-                                status =
-                                    acpi_ps_get_next_namepath(walk_state,
-                                                              parser_state, op,
-                                                              1);
-                                if (ACPI_FAILURE(status)) {
-                                        goto close_this_op;
-                                }
-
-                                walk_state->arg_types = 0;
-                                break;
+                while (GET_CURRENT_ARG_TYPE(walk_state->arg_types)
+                       && !walk_state->arg_count) {
+                        walk_state->aml_offset =
+                            (u32) ACPI_PTR_DIFF(walk_state->parser_state.aml,
+                                                walk_state->parser_state.
+                                                aml_start);
 
-                        default:
-                                /*
-                                 * Op is not a constant or string, append each argument
-                                 * to the Op
-                                 */
-                                while (GET_CURRENT_ARG_TYPE
-                                       (walk_state->arg_types)
-                                       && !walk_state->arg_count) {
-                                        walk_state->aml_offset = (u32)
-                                            ACPI_PTR_DIFF(parser_state->aml,
-                                                          parser_state->
-                                                          aml_start);
+                        status =
+                            acpi_ps_get_next_arg(walk_state,
+                                                 &(walk_state->parser_state),
+                                                 GET_CURRENT_ARG_TYPE
+                                                 (walk_state->arg_types), &arg);
+                        if (ACPI_FAILURE(status)) {
+                                return_ACPI_STATUS(status);
+                        }
 
-                                        status =
-                                            acpi_ps_get_next_arg(walk_state,
-                                                                 parser_state,
-                                                                 GET_CURRENT_ARG_TYPE
-                                                                 (walk_state->
-                                                                  arg_types),
-                                                                 &arg);
-                                        if (ACPI_FAILURE(status)) {
-                                                goto close_this_op;
-                                        }
+                        if (arg) {
+                                arg->common.aml_offset = walk_state->aml_offset;
+                                acpi_ps_append_arg(op, arg);
+                        }
 
-                                        if (arg) {
-                                                arg->common.aml_offset =
-                                                    walk_state->aml_offset;
-                                                acpi_ps_append_arg(op, arg);
-                                        }
-                                        INCREMENT_ARG_LIST(walk_state->
-                                                           arg_types);
-                                }
+                        INCREMENT_ARG_LIST(walk_state->arg_types);
+                }
 
-                                /* Special processing for certain opcodes */
+                /* Special processing for certain opcodes */
 
-                                /* TBD (remove): Temporary mechanism to disable this code if needed */
+                /* TBD (remove): Temporary mechanism to disable this code if needed */
 
 #ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
 
-                                if ((walk_state->pass_number <=
-                                     ACPI_IMODE_LOAD_PASS1)
-                                    &&
-                                    ((walk_state->
-                                      parse_flags & ACPI_PARSE_DISASSEMBLE) ==
-                                     0)) {
-                                        /*
-                                         * We want to skip If/Else/While constructs during Pass1
-                                         * because we want to actually conditionally execute the
-                                         * code during Pass2.
-                                         *
-                                         * Except for disassembly, where we always want to
-                                         * walk the If/Else/While packages
-                                         */
-                                        switch (op->common.aml_opcode) {
-                                        case AML_IF_OP:
-                                        case AML_ELSE_OP:
-                                        case AML_WHILE_OP:
-
-                                                ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
-                                                                  "Pass1: Skipping an If/Else/While body\n"));
-
-                                                /* Skip body of if/else/while in pass 1 */
-
-                                                parser_state->aml =
-                                                    parser_state->pkg_end;
-                                                walk_state->arg_count = 0;
-                                                break;
-
-                                        default:
-                                                break;
-                                        }
-                                }
-#endif
-                                switch (op->common.aml_opcode) {
-                                case AML_METHOD_OP:
-
-                                        /*
-                                         * Skip parsing of control method
-                                         * because we don't have enough info in the first pass
-                                         * to parse it correctly.
-                                         *
-                                         * Save the length and address of the body
-                                         */
-                                        op->named.data = parser_state->aml;
-                                        op->named.length =
-                                            (u32) (parser_state->pkg_end -
-                                                   parser_state->aml);
-
-                                        /* Skip body of method */
-
-                                        parser_state->aml =
-                                            parser_state->pkg_end;
-                                        walk_state->arg_count = 0;
-                                        break;
-
-                                case AML_BUFFER_OP:
-                                case AML_PACKAGE_OP:
-                                case AML_VAR_PACKAGE_OP:
-
-                                        if ((op->common.parent) &&
-                                            (op->common.parent->common.
-                                             aml_opcode == AML_NAME_OP)
-                                            && (walk_state->pass_number <=
-                                                ACPI_IMODE_LOAD_PASS2)) {
-                                                /*
-                                                 * Skip parsing of Buffers and Packages
-                                                 * because we don't have enough info in the first pass
-                                                 * to parse them correctly.
-                                                 */
-                                                op->named.data = aml_op_start;
-                                                op->named.length =
-                                                    (u32) (parser_state->
-                                                           pkg_end -
-                                                           aml_op_start);
-
-                                                /* Skip body */
-
-                                                parser_state->aml =
-                                                    parser_state->pkg_end;
-                                                walk_state->arg_count = 0;
-                                        }
-                                        break;
+                if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
+                    ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) {
+                        /*
+                         * We want to skip If/Else/While constructs during Pass1 because we
+                         * want to actually conditionally execute the code during Pass2.
+                         *
+                         * Except for disassembly, where we always want to walk the
+                         * If/Else/While packages
+                         */
+                        switch (op->common.aml_opcode) {
+                        case AML_IF_OP:
+                        case AML_ELSE_OP:
+                        case AML_WHILE_OP:
 
-                                case AML_WHILE_OP:
+                                ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+                                                  "Pass1: Skipping an If/Else/While body\n"));
 
-                                        if (walk_state->control_state) {
-                                                walk_state->control_state->
-                                                    control.package_end =
-                                                    parser_state->pkg_end;
-                                        }
-                                        break;
+                                /* Skip body of if/else/while in pass 1 */
 
-                                default:
+                                walk_state->parser_state.aml =
+                                    walk_state->parser_state.pkg_end;
+                                walk_state->arg_count = 0;
+                                break;
 
-                                        /* No action for all other opcodes */
-                                        break;
-                                }
+                        default:
                                 break;
                         }
                 }
+#endif
 
-                /* Check for arguments that need to be processed */
-
-                if (walk_state->arg_count) {
+                switch (op->common.aml_opcode) {
+                case AML_METHOD_OP:
                         /*
-                         * There are arguments (complex ones), push Op and
-                         * prepare for argument
+                         * Skip parsing of control method because we don't have enough
+                         * info in the first pass to parse it correctly.
+                         *
+                         * Save the length and address of the body
                          */
-                        status = acpi_ps_push_scope(parser_state, op,
-                                                    walk_state->arg_types,
-                                                    walk_state->arg_count);
-                        if (ACPI_FAILURE(status)) {
-                                goto close_this_op;
-                        }
-                        op = NULL;
-                        continue;
-                }
+                        op->named.data = walk_state->parser_state.aml;
+                        op->named.length = (u32)
+                            (walk_state->parser_state.pkg_end -
+                             walk_state->parser_state.aml);
 
-                /*
-                 * All arguments have been processed -- Op is complete,
-                 * prepare for next
-                 */
-                walk_state->op_info =
-                    acpi_ps_get_opcode_info(op->common.aml_opcode);
-                if (walk_state->op_info->flags & AML_NAMED) {
-                        if (acpi_gbl_depth) {
-                                acpi_gbl_depth--;
-                        }
+                        /* Skip body of method */
 
-                        if (op->common.aml_opcode == AML_REGION_OP) {
+                        walk_state->parser_state.aml =
+                            walk_state->parser_state.pkg_end;
+                        walk_state->arg_count = 0;
+                        break;
+
+                case AML_BUFFER_OP:
+                case AML_PACKAGE_OP:
+                case AML_VAR_PACKAGE_OP:
+
+                        if ((op->common.parent) &&
+                            (op->common.parent->common.aml_opcode ==
+                             AML_NAME_OP)
+                            && (walk_state->pass_number <=
+                                ACPI_IMODE_LOAD_PASS2)) {
                                 /*
-                                 * Skip parsing of control method or opregion body,
-                                 * because we don't have enough info in the first pass
-                                 * to parse them correctly.
-                                 *
-                                 * Completed parsing an op_region declaration, we now
-                                 * know the length.
+                                 * Skip parsing of Buffers and Packages because we don't have
+                                 * enough info in the first pass to parse them correctly.
                                  */
-                                op->named.length =
-                                    (u32) (parser_state->aml - op->named.data);
-                        }
-                }
+                                op->named.data = aml_op_start;
+                                op->named.length = (u32)
+                                    (walk_state->parser_state.pkg_end -
+                                     aml_op_start);
 
-                if (walk_state->op_info->flags & AML_CREATE) {
-                        /*
-                         * Backup to beginning of create_xXXfield declaration (1 for
-                         * Opcode)
-                         *
-                         * body_length is unknown until we parse the body
-                         */
-                        op->named.length =
-                            (u32) (parser_state->aml - op->named.data);
-                }
+                                /* Skip body */
 
-                /* This op complete, notify the dispatcher */
+                                walk_state->parser_state.aml =
+                                    walk_state->parser_state.pkg_end;
+                                walk_state->arg_count = 0;
+                        }
+                        break;
 
-                if (walk_state->ascending_callback != NULL) {
-                        walk_state->op = op;
-                        walk_state->opcode = op->common.aml_opcode;
+                case AML_WHILE_OP:
 
-                        status = walk_state->ascending_callback(walk_state);
-                        status =
-                            acpi_ps_next_parse_state(walk_state, op, status);
-                        if (status == AE_CTRL_PENDING) {
-                                status = AE_OK;
-                                goto close_this_op;
+                        if (walk_state->control_state) {
+                                walk_state->control_state->control.package_end =
+                                    walk_state->parser_state.pkg_end;
                         }
-                }
-
-              close_this_op:
-                /*
-                 * Finished one argument of the containing scope
-                 */
-                parser_state->scope->parse_scope.arg_count--;
+                        break;
 
-                /* Finished with pre_op */
+                default:
 
-                if (pre_op) {
-                        acpi_ps_free_op(pre_op);
-                        pre_op = NULL;
+                        /* No action for all other opcodes */
+                        break;
                 }
 
-                /* Close this Op (will result in parse subtree deletion) */
+                break;
+        }
 
-                status2 = acpi_ps_complete_this_op(walk_state, op);
-                if (ACPI_FAILURE(status2)) {
-                        return_ACPI_STATUS(status2);
-                }
-                op = NULL;
+        return_ACPI_STATUS(AE_OK);
+}
 
-                switch (status) {
-                case AE_OK:
-                        break;
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_complete_op
+ *
+ * PARAMETERS:  walk_state          - Current state
+ *              Op                  - Returned Op
+ *              Status              - Parse status before complete Op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Complete Op
+ *
+ ******************************************************************************/
 
-                case AE_CTRL_TRANSFER:
+static acpi_status
+acpi_ps_complete_op(struct acpi_walk_state *walk_state,
+                    union acpi_parse_object **op, acpi_status status)
+{
+        acpi_status status2;
 
-                        /* We are about to transfer to a called method. */
+        ACPI_FUNCTION_TRACE_PTR(ps_complete_op, walk_state);
 
-                        walk_state->prev_op = op;
-                        walk_state->prev_arg_types = walk_state->arg_types;
-                        return_ACPI_STATUS(status);
+        /*
+         * Finished one argument of the containing scope
+         */
+        walk_state->parser_state.scope->parse_scope.arg_count--;
 
-                case AE_CTRL_END:
+        /* Close this Op (will result in parse subtree deletion) */
 
-                        acpi_ps_pop_scope(parser_state, &op,
-                                          &walk_state->arg_types,
-                                          &walk_state->arg_count);
+        status2 = acpi_ps_complete_this_op(walk_state, *op);
+        if (ACPI_FAILURE(status2)) {
+                return_ACPI_STATUS(status2);
+        }
 
-                        if (op) {
-                                walk_state->op = op;
-                                walk_state->op_info =
-                                    acpi_ps_get_opcode_info(op->common.
-                                                            aml_opcode);
-                                walk_state->opcode = op->common.aml_opcode;
+        *op = NULL;
 
-                                status =
-                                    walk_state->ascending_callback(walk_state);
-                                status =
-                                    acpi_ps_next_parse_state(walk_state, op,
-                                                             status);
+        switch (status) {
+        case AE_OK:
+                break;
 
-                                status2 =
-                                    acpi_ps_complete_this_op(walk_state, op);
-                                if (ACPI_FAILURE(status2)) {
-                                        return_ACPI_STATUS(status2);
-                                }
-                                op = NULL;
-                        }
-                        status = AE_OK;
-                        break;
+        case AE_CTRL_TRANSFER:
 
-                case AE_CTRL_BREAK:
-                case AE_CTRL_CONTINUE:
+                /* We are about to transfer to a called method */
 
-                        /* Pop off scopes until we find the While */
+                walk_state->prev_op = NULL;
+                walk_state->prev_arg_types = walk_state->arg_types;
+                return_ACPI_STATUS(status);
 
-                        while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
-                                acpi_ps_pop_scope(parser_state, &op,
-                                                  &walk_state->arg_types,
-                                                  &walk_state->arg_count);
+        case AE_CTRL_END:
 
-                                if (op->common.aml_opcode != AML_WHILE_OP) {
-                                        status2 =
-                                            acpi_ds_result_stack_pop
-                                            (walk_state);
-                                        if (ACPI_FAILURE(status2)) {
-                                                return_ACPI_STATUS(status2);
-                                        }
-                                }
-                        }
-
-                        /* Close this iteration of the While loop */
+                acpi_ps_pop_scope(&(walk_state->parser_state), op,
+                                  &walk_state->arg_types,
+                                  &walk_state->arg_count);
 
-                        walk_state->op = op;
+                if (*op) {
+                        walk_state->op = *op;
                         walk_state->op_info =
-                            acpi_ps_get_opcode_info(op->common.aml_opcode);
-                        walk_state->opcode = op->common.aml_opcode;
+                            acpi_ps_get_opcode_info((*op)->common.aml_opcode);
+                        walk_state->opcode = (*op)->common.aml_opcode;
 
                         status = walk_state->ascending_callback(walk_state);
                         status =
-                            acpi_ps_next_parse_state(walk_state, op, status);
+                            acpi_ps_next_parse_state(walk_state, *op, status);
 
-                        status2 = acpi_ps_complete_this_op(walk_state, op);
+                        status2 = acpi_ps_complete_this_op(walk_state, *op);
                         if (ACPI_FAILURE(status2)) {
                                 return_ACPI_STATUS(status2);
                         }
-                        op = NULL;
-
-                        status = AE_OK;
-                        break;
+                }
 
-                case AE_CTRL_TERMINATE:
+                status = AE_OK;
+                break;
 
-                        status = AE_OK;
+        case AE_CTRL_BREAK:
+        case AE_CTRL_CONTINUE:
 
-                        /* Clean up */
-                        do {
-                                if (op) {
-                                        status2 =
-                                            acpi_ps_complete_this_op(walk_state,
-                                                                     op);
-                                        if (ACPI_FAILURE(status2)) {
-                                                return_ACPI_STATUS(status2);
-                                        }
+                /* Pop off scopes until we find the While */
 
-                                        status2 =
-                                            acpi_ds_result_stack_pop
-                                            (walk_state);
-                                        if (ACPI_FAILURE(status2)) {
-                                                return_ACPI_STATUS(status2);
-                                        }
+                while (!(*op) || ((*op)->common.aml_opcode != AML_WHILE_OP)) {
+                        acpi_ps_pop_scope(&(walk_state->parser_state), op,
+                                          &walk_state->arg_types,
+                                          &walk_state->arg_count);
 
-                                        acpi_ut_delete_generic_state
-                                            (acpi_ut_pop_generic_state
-                                             (&walk_state->control_state));
+                        if ((*op)->common.aml_opcode != AML_WHILE_OP) {
+                                status2 = acpi_ds_result_stack_pop(walk_state);
+                                if (ACPI_FAILURE(status2)) {
+                                        return_ACPI_STATUS(status2);
                                 }
+                        }
+                }
 
-                                acpi_ps_pop_scope(parser_state, &op,
-                                                  &walk_state->arg_types,
-                                                  &walk_state->arg_count);
+                /* Close this iteration of the While loop */
 
-                        } while (op);
+                walk_state->op = *op;
+                walk_state->op_info =
+                    acpi_ps_get_opcode_info((*op)->common.aml_opcode);
+                walk_state->opcode = (*op)->common.aml_opcode;
 
-                        return_ACPI_STATUS(status);
+                status = walk_state->ascending_callback(walk_state);
+                status = acpi_ps_next_parse_state(walk_state, *op, status);
 
-                default:        /* All other non-AE_OK status */
+                status2 = acpi_ps_complete_this_op(walk_state, *op);
+                if (ACPI_FAILURE(status2)) {
+                        return_ACPI_STATUS(status2);
+                }
 
-                        do {
-                                if (op) {
-                                        status2 =
-                                            acpi_ps_complete_this_op(walk_state,
-                                                                     op);
-                                        if (ACPI_FAILURE(status2)) {
-                                                return_ACPI_STATUS(status2);
-                                        }
+                status = AE_OK;
+                break;
+
+        case AE_CTRL_TERMINATE:
+
+                /* Clean up */
+                do {
+                        if (*op) {
+                                status2 =
+                                    acpi_ps_complete_this_op(walk_state, *op);
+                                if (ACPI_FAILURE(status2)) {
+                                        return_ACPI_STATUS(status2);
+                                }
+                                status2 = acpi_ds_result_stack_pop(walk_state);
+                                if (ACPI_FAILURE(status2)) {
+                                        return_ACPI_STATUS(status2);
                                 }
 
-                                acpi_ps_pop_scope(parser_state, &op,
-                                                  &walk_state->arg_types,
-                                                  &walk_state->arg_count);
+                                acpi_ut_delete_generic_state
+                                    (acpi_ut_pop_generic_state
+                                     (&walk_state->control_state));
+                        }
 
-                        } while (op);
+                        acpi_ps_pop_scope(&(walk_state->parser_state), op,
+                                          &walk_state->arg_types,
+                                          &walk_state->arg_count);
 
-                        /*
-                         * TBD: Cleanup parse ops on error
-                         */
-#if 0
-                        if (op == NULL) {
-                                acpi_ps_pop_scope(parser_state, &op,
-                                                  &walk_state->arg_types,
-                                                  &walk_state->arg_count);
+                } while (*op);
+
+                return_ACPI_STATUS(AE_OK);
+
+        default:                /* All other non-AE_OK status */
+
+                do {
+                        if (*op) {
+                                status2 =
+                                    acpi_ps_complete_this_op(walk_state, *op);
+                                if (ACPI_FAILURE(status2)) {
+                                        return_ACPI_STATUS(status2);
+                                }
                         }
-#endif
-                        walk_state->prev_op = op;
-                        walk_state->prev_arg_types = walk_state->arg_types;
-                        return_ACPI_STATUS(status);
-                }
 
-                /* This scope complete? */
+                        acpi_ps_pop_scope(&(walk_state->parser_state), op,
+                                          &walk_state->arg_types,
+                                          &walk_state->arg_count);
 
-                if (acpi_ps_has_completed_scope(parser_state)) {
-                        acpi_ps_pop_scope(parser_state, &op,
+                } while (*op);
+
+#if 0
+                /*
+                 * TBD: Cleanup parse ops on error
+                 */
+                if (*op == NULL) {
+                        acpi_ps_pop_scope(parser_state, op,
                                           &walk_state->arg_types,
                                           &walk_state->arg_count);
-                        ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
-                                          "Popped scope, Op=%p\n", op));
-                } else {
-                        op = NULL;
                 }
+#endif
+                walk_state->prev_op = NULL;
+                walk_state->prev_arg_types = walk_state->arg_types;
+                return_ACPI_STATUS(status);
+        }
 
-        }                       /* while parser_state->Aml */
+        /* This scope complete? */
+
+        if (acpi_ps_has_completed_scope(&(walk_state->parser_state))) {
+                acpi_ps_pop_scope(&(walk_state->parser_state), op,
+                                  &walk_state->arg_types,
+                                  &walk_state->arg_count);
+                ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *op));
+        } else {
+                *op = NULL;
+        }
+
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_complete_final_op
+ *
+ * PARAMETERS:  walk_state          - Current state
+ *              Op                  - Current Op
+ *              Status              - Current parse status before complete last
+ *                                    Op
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Complete last Op.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
+                          union acpi_parse_object *op, acpi_status status)
+{
+        acpi_status status2;
+
+        ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state);
 
         /*
          * Complete the last Op (if not completed), and clear the scope stack.
          * It is easily possible to end an AML "package" with an unbounded number
          * of open scopes (such as when several ASL blocks are closed with
-         * sequential closing braces).  We want to terminate each one cleanly.
+         * sequential closing braces). We want to terminate each one cleanly.
          */
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "AML package complete at Op %p\n",
                           op));
@@ -838,8 +750,12 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
                                     acpi_ps_next_parse_state(walk_state, op,
                                                              status);
                                 if (status == AE_CTRL_PENDING) {
-                                        status = AE_OK;
-                                        goto close_this_op;
+                                        status =
+                                            acpi_ps_complete_op(walk_state, &op,
+                                                                AE_OK);
+                                        if (ACPI_FAILURE(status)) {
+                                                return_ACPI_STATUS(status);
+                                        }
                                 }
 
                                 if (status == AE_CTRL_TERMINATE) {
@@ -858,7 +774,9 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
                                                         }
                                                 }
 
-                                                acpi_ps_pop_scope(parser_state,
+                                                acpi_ps_pop_scope(&
+                                                                  (walk_state->
+                                                                   parser_state),
                                                                   &op,
                                                                   &walk_state->
                                                                   arg_types,
@@ -887,10 +805,252 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
                         }
                 }
 
-                acpi_ps_pop_scope(parser_state, &op, &walk_state->arg_types,
+                acpi_ps_pop_scope(&(walk_state->parser_state), &op,
+                                  &walk_state->arg_types,
                                   &walk_state->arg_count);
 
         } while (op);
 
         return_ACPI_STATUS(status);
 }
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_parse_loop
+ *
+ * PARAMETERS:  walk_state          - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
+ *              a tree of ops.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
+{
+        acpi_status status = AE_OK;
+        union acpi_parse_object *op = NULL;     /* current op */
+        struct acpi_parse_state *parser_state;
+        u8 *aml_op_start = NULL;
+
+        ACPI_FUNCTION_TRACE_PTR(ps_parse_loop, walk_state);
+
+        if (walk_state->descending_callback == NULL) {
+                return_ACPI_STATUS(AE_BAD_PARAMETER);
+        }
+
+        parser_state = &walk_state->parser_state;
+        walk_state->arg_types = 0;
+
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+
+        if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
+
+                /* We are restarting a preempted control method */
+
+                if (acpi_ps_has_completed_scope(parser_state)) {
+                        /*
+                         * We must check if a predicate to an IF or WHILE statement
+                         * was just completed
+                         */
+                        if ((parser_state->scope->parse_scope.op) &&
+                            ((parser_state->scope->parse_scope.op->common.
+                              aml_opcode == AML_IF_OP)
+                             || (parser_state->scope->parse_scope.op->common.
+                                 aml_opcode == AML_WHILE_OP))
+                            && (walk_state->control_state)
+                            && (walk_state->control_state->common.state ==
+                                ACPI_CONTROL_PREDICATE_EXECUTING)) {
+                                /*
+                                 * A predicate was just completed, get the value of the
+                                 * predicate and branch based on that value
+                                 */
+                                walk_state->op = NULL;
+                                status =
+                                    acpi_ds_get_predicate_value(walk_state,
+                                                                ACPI_TO_POINTER
+                                                                (TRUE));
+                                if (ACPI_FAILURE(status)
+                                    && ((status & AE_CODE_MASK) !=
+                                        AE_CODE_CONTROL)) {
+                                        if (status == AE_AML_NO_RETURN_VALUE) {
+                                                ACPI_EXCEPTION((AE_INFO, status,
+                                                                "Invoked method did not return a value"));
+
+                                        }
+
+                                        ACPI_EXCEPTION((AE_INFO, status,
+                                                        "GetPredicate Failed"));
+                                        return_ACPI_STATUS(status);
+                                }
+
+                                status =
+                                    acpi_ps_next_parse_state(walk_state, op,
+                                                             status);
+                        }
+
+                        acpi_ps_pop_scope(parser_state, &op,
+                                          &walk_state->arg_types,
+                                          &walk_state->arg_count);
+                        ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+                                          "Popped scope, Op=%p\n", op));
+                } else if (walk_state->prev_op) {
+
+                        /* We were in the middle of an op */
+
+                        op = walk_state->prev_op;
+                        walk_state->arg_types = walk_state->prev_arg_types;
+                }
+        }
+#endif
+
+        /* Iterative parsing loop, while there is more AML to process: */
+
+        while ((parser_state->aml < parser_state->aml_end) || (op)) {
+                aml_op_start = parser_state->aml;
+                if (!op) {
+                        status =
+                            acpi_ps_create_op(walk_state, aml_op_start, &op);
+                        if (ACPI_FAILURE(status)) {
+                                if (status == AE_CTRL_PARSE_CONTINUE) {
+                                        continue;
+                                }
+
+                                if (status == AE_CTRL_PARSE_PENDING) {
+                                        status = AE_OK;
+                                }
+
+                                status =
+                                    acpi_ps_complete_op(walk_state, &op,
+                                                        status);
+                                if (ACPI_FAILURE(status)) {
+                                        return_ACPI_STATUS(status);
+                                }
+
+                                continue;
+                        }
+
+                        op->common.aml_offset = walk_state->aml_offset;
+
+                        if (walk_state->op_info) {
+                                ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+                                                  "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n",
+                                                  (u32) op->common.aml_opcode,
+                                                  walk_state->op_info->name, op,
+                                                  parser_state->aml,
+                                                  op->common.aml_offset));
+                        }
+                }
+
+                /*
+                 * Start arg_count at zero because we don't know if there are
+                 * any args yet
+                 */
+                walk_state->arg_count = 0;
+
+                /* Are there any arguments that must be processed? */
+
+                if (walk_state->arg_types) {
+
+                        /* Get arguments */
+
+                        status =
+                            acpi_ps_get_arguments(walk_state, aml_op_start, op);
+                        if (ACPI_FAILURE(status)) {
+                                status =
+                                    acpi_ps_complete_op(walk_state, &op,
+                                                        status);
+                                if (ACPI_FAILURE(status)) {
+                                        return_ACPI_STATUS(status);
+                                }
+
+                                continue;
+                        }
+                }
+
+                /* Check for arguments that need to be processed */
+
+                if (walk_state->arg_count) {
+                        /*
+                         * There are arguments (complex ones), push Op and
+                         * prepare for argument
+                         */
+                        status = acpi_ps_push_scope(parser_state, op,
+                                                    walk_state->arg_types,
+                                                    walk_state->arg_count);
+                        if (ACPI_FAILURE(status)) {
+                                status =
+                                    acpi_ps_complete_op(walk_state, &op,
+                                                        status);
+                                if (ACPI_FAILURE(status)) {
+                                        return_ACPI_STATUS(status);
+                                }
+
+                                continue;
+                        }
+
+                        op = NULL;
+                        continue;
+                }
+
+                /*
+                 * All arguments have been processed -- Op is complete,
+                 * prepare for next
+                 */
+                walk_state->op_info =
+                    acpi_ps_get_opcode_info(op->common.aml_opcode);
+                if (walk_state->op_info->flags & AML_NAMED) {
+                        if (acpi_gbl_depth) {
+                                acpi_gbl_depth--;
+                        }
+
+                        if (op->common.aml_opcode == AML_REGION_OP) {
+                                /*
+                                 * Skip parsing of control method or opregion body,
+                                 * because we don't have enough info in the first pass
+                                 * to parse them correctly.
+                                 *
+                                 * Completed parsing an op_region declaration, we now
+                                 * know the length.
+                                 */
+                                op->named.length =
+                                    (u32) (parser_state->aml - op->named.data);
+                        }
+                }
+
+                if (walk_state->op_info->flags & AML_CREATE) {
+                        /*
+                         * Backup to beginning of create_xXXfield declaration (1 for
+                         * Opcode)
+                         *
+                         * body_length is unknown until we parse the body
+                         */
+                        op->named.length =
+                            (u32) (parser_state->aml - op->named.data);
+                }
+
+                /* This op complete, notify the dispatcher */
+
+                if (walk_state->ascending_callback != NULL) {
+                        walk_state->op = op;
+                        walk_state->opcode = op->common.aml_opcode;
+
+                        status = walk_state->ascending_callback(walk_state);
+                        status =
+                            acpi_ps_next_parse_state(walk_state, op, status);
+                        if (status == AE_CTRL_PENDING) {
+                                status = AE_OK;
+                        }
+                }
+
+                status = acpi_ps_complete_op(walk_state, &op, status);
+                if (ACPI_FAILURE(status)) {
+                        return_ACPI_STATUS(status);
+                }
+
+        }                       /* while parser_state->Aml */
+
+        status = acpi_ps_complete_final_op(walk_state, op, status);
+        return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c
index 4bd25e32769f..16d8b6cc3c22 100644
--- a/drivers/acpi/parser/psopcode.c
+++ b/drivers/acpi/parser/psopcode.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index a02aa62fe1e5..5d63f48e56b5 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -540,6 +540,11 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
 
                         if ((status == AE_ALREADY_EXISTS) &&
                             (!walk_state->method_desc->method.mutex)) {
+                                ACPI_INFO((AE_INFO,
+                                           "Marking method %4.4s as Serialized",
+                                           walk_state->method_node->name.
+                                           ascii));
+
                                 /*
                                  * Method tried to create an object twice. The probable cause is
                                  * that the method cannot handle reentrancy.
diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c
index a3e0314de24d..77cfa4ed0cfe 100644
--- a/drivers/acpi/parser/psscope.c
+++ b/drivers/acpi/parser/psscope.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/parser/pstree.c
index 0015717ef096..966e7ea2a0c4 100644
--- a/drivers/acpi/parser/pstree.c
+++ b/drivers/acpi/parser/pstree.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c
index d405387b7414..8ca52002db55 100644
--- a/drivers/acpi/parser/psutils.c
+++ b/drivers/acpi/parser/psutils.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c
index a84a547a0f1b..49f9757434e4 100644
--- a/drivers/acpi/parser/pswalk.c
+++ b/drivers/acpi/parser/pswalk.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index 5d996c1140af..94103bced75e 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,8 +54,6 @@ static void acpi_ps_start_trace(struct acpi_evaluate_info *info);
 
 static void acpi_ps_stop_trace(struct acpi_evaluate_info *info);
 
-static acpi_status acpi_ps_execute_pass(struct acpi_evaluate_info *info);
-
 static void
 acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action);
 
@@ -215,6 +213,8 @@ static void acpi_ps_stop_trace(struct acpi_evaluate_info *info)
 acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
 {
         acpi_status status;
+        union acpi_parse_object *op;
+        struct acpi_walk_state *walk_state;
 
         ACPI_FUNCTION_TRACE(ps_execute_method);
 
@@ -234,8 +234,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
         }
 
         /*
-         * The caller "owns" the parameters, so give each one an extra
-         * reference
+         * The caller "owns" the parameters, so give each one an extra reference
          */
         acpi_ps_update_parameter_list(info, REF_INCREMENT);
 
@@ -244,30 +243,50 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
         acpi_ps_start_trace(info);
 
         /*
-         * 1) Perform the first pass parse of the method to enter any
-         *    named objects that it creates into the namespace
+         * Execute the method. Performs parse simultaneously
          */
         ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
-                          "**** Begin Method Parse **** Entry=%p obj=%p\n",
-                          info->resolved_node, info->obj_desc));
+                          "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n",
+                          info->resolved_node->name.ascii, info->resolved_node,
+                          info->obj_desc));
+
+        /* Create and init a Root Node */
+
+        op = acpi_ps_create_scope_op();
+        if (!op) {
+                status = AE_NO_MEMORY;
+                goto cleanup;
+        }
+
+        /* Create and initialize a new walk state */
+
+        info->pass_number = ACPI_IMODE_EXECUTE;
+        walk_state =
+            acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL,
+                                      NULL, NULL);
+        if (!walk_state) {
+                status = AE_NO_MEMORY;
+                goto cleanup;
+        }
 
-        info->pass_number = 1;
-        status = acpi_ps_execute_pass(info);
+        status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node,
+                                       info->obj_desc->method.aml_start,
+                                       info->obj_desc->method.aml_length, info,
+                                       info->pass_number);
         if (ACPI_FAILURE(status)) {
+                acpi_ds_delete_walk_state(walk_state);
                 goto cleanup;
         }
 
-        /*
-         * 2) Execute the method. Performs second pass parse simultaneously
-         */
-        ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
-                          "**** Begin Method Execution **** Entry=%p obj=%p\n",
-                          info->resolved_node, info->obj_desc));
+        /* Parse the AML */
 
-        info->pass_number = 3;
-        status = acpi_ps_execute_pass(info);
+        status = acpi_ps_parse_aml(walk_state);
+
+        /* walk_state was deleted by parse_aml */
 
       cleanup:
+        acpi_ps_delete_parse_tree(op);
+
         /* End optional tracing */
 
         acpi_ps_stop_trace(info);
@@ -330,62 +349,3 @@ acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action)
                 }
         }
 }
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ps_execute_pass
- *
- * PARAMETERS:  Info            - See struct acpi_evaluate_info
- *                                (Used: pass_number, Node, and obj_desc)
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Single AML pass: Parse or Execute a control method
- *
- ******************************************************************************/
-
-static acpi_status acpi_ps_execute_pass(struct acpi_evaluate_info *info)
-{
-        acpi_status status;
-        union acpi_parse_object *op;
-        struct acpi_walk_state *walk_state;
-
-        ACPI_FUNCTION_TRACE(ps_execute_pass);
-
-        /* Create and init a Root Node */
-
-        op = acpi_ps_create_scope_op();
-        if (!op) {
-                return_ACPI_STATUS(AE_NO_MEMORY);
-        }
-
-        /* Create and initialize a new walk state */
-
-        walk_state =
-            acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL,
-                                      NULL, NULL);
-        if (!walk_state) {
-                status = AE_NO_MEMORY;
-                goto cleanup;
-        }
-
-        status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node,
-                                       info->obj_desc->method.aml_start,
-                                       info->obj_desc->method.aml_length,
-                                       info->pass_number == 1 ? NULL : info,
-                                       info->pass_number);
-        if (ACPI_FAILURE(status)) {
-                acpi_ds_delete_walk_state(walk_state);
-                goto cleanup;
-        }
-
-        /* Parse the AML */
-
-        status = acpi_ps_parse_aml(walk_state);
-
-        /* Walk state was deleted by parse_aml */
-
-      cleanup:
-        acpi_ps_delete_parse_tree(op);
-        return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 481e633bbf41..0f683c8c6fbc 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -513,7 +513,7 @@ int __init acpi_irq_penalty_init(void)
                 }
         }
         /* Add a penalty for the SCI */
-        acpi_irq_penalty[acpi_fadt.sci_int] += PIRQ_PENALTY_PCI_USING;
+        acpi_irq_penalty[acpi_gbl_FADT.sci_interrupt] += PIRQ_PENALTY_PCI_USING;
 
         return 0;
 }
@@ -785,7 +785,7 @@ static int irqrouter_resume(struct sys_device *dev)
 
 
         /* Make sure SCI is enabled again (Apple firmware bug?) */
-        acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK);
+        acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1);
 
         list_for_each(node, &acpi_link.entries) {
                 link = list_entry(node, struct acpi_pci_link, node);
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 5f9496d59ed6..eacf9a252019 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -375,30 +375,126 @@ static int acpi_processor_remove_fs(struct acpi_device *device)
 }
 
 /* Use the acpiid in MADT to map cpus in case of SMP */
+
 #ifndef CONFIG_SMP
-#define convert_acpiid_to_cpu(acpi_id) (-1)
+static int get_cpu_id(acpi_handle handle, u32 acpi_id) {return -1;}
 #else
 
+static struct acpi_table_madt *madt;
+
+static int map_lapic_id(struct acpi_subtable_header *entry,
+                 u32 acpi_id, int *apic_id)
+{
+        struct acpi_madt_local_apic *lapic =
+                (struct acpi_madt_local_apic *)entry;
+        if ((lapic->lapic_flags & ACPI_MADT_ENABLED) &&
+            lapic->processor_id == acpi_id) {
+                *apic_id = lapic->id;
+                return 1;
+        }
+        return 0;
+}
+
+static int map_lsapic_id(struct acpi_subtable_header *entry,
+                  u32 acpi_id, int *apic_id)
+{
+        struct acpi_madt_local_sapic *lsapic =
+                (struct acpi_madt_local_sapic *)entry;
+        /* Only check enabled APICs*/
+        if (lsapic->lapic_flags & ACPI_MADT_ENABLED) {
+                /* First check against id */
+                if (lsapic->processor_id == acpi_id) {
+                        *apic_id = lsapic->id;
+                        return 1;
+                /* Check against optional uid */
+                } else if (entry->length >= 16 &&
+                        lsapic->uid == acpi_id) {
+                        *apic_id = lsapic->uid;
+                        return 1;
+                }
+        }
+        return 0;
+}
+
 #ifdef CONFIG_IA64
-#define arch_acpiid_to_apicid   ia64_acpiid_to_sapicid
 #define arch_cpu_to_apicid      ia64_cpu_to_sapicid
-#define ARCH_BAD_APICID         (0xffff)
 #else
-#define arch_acpiid_to_apicid   x86_acpiid_to_apicid
 #define arch_cpu_to_apicid      x86_cpu_to_apicid
-#define ARCH_BAD_APICID         (0xff)
 #endif
 
-static int convert_acpiid_to_cpu(u8 acpi_id)
+static int map_madt_entry(u32 acpi_id)
+{
+        unsigned long madt_end, entry;
+        int apic_id = -1;
+
+        if (!madt)
+                return apic_id;
+
+        entry = (unsigned long)madt;
+        madt_end = entry + madt->header.length;
+
+        /* Parse all entries looking for a match. */
+
+        entry += sizeof(struct acpi_table_madt);
+        while (entry + sizeof(struct acpi_subtable_header) < madt_end) {
+                struct acpi_subtable_header *header =
+                        (struct acpi_subtable_header *)entry;
+                if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
+                        if (map_lapic_id(header, acpi_id, &apic_id))
+                                break;
+                } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
+                        if (map_lsapic_id(header, acpi_id, &apic_id))
+                                break;
+                }
+                entry += header->length;
+        }
+        return apic_id;
+}
+
+static int map_mat_entry(acpi_handle handle, u32 acpi_id)
+{
+        struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+        union acpi_object *obj;
+        struct acpi_subtable_header *header;
+        int apic_id = -1;
+
+        if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
+                goto exit;
+
+        if (!buffer.length || !buffer.pointer)
+                goto exit;
+
+        obj = buffer.pointer;
+        if (obj->type != ACPI_TYPE_BUFFER ||
+            obj->buffer.length < sizeof(struct acpi_subtable_header)) {
+                goto exit;
+        }
+
+        header = (struct acpi_subtable_header *)obj->buffer.pointer;
+        if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
+                map_lapic_id(header, acpi_id, &apic_id);
+        } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
+                map_lsapic_id(header, acpi_id, &apic_id);
+        }
+
+exit:
+        if (buffer.pointer)
+                kfree(buffer.pointer);
+        return apic_id;
+}
+
+static int get_cpu_id(acpi_handle handle, u32 acpi_id)
 {
-        u16 apic_id;
         int i;
+        int apic_id = -1;
 
-        apic_id = arch_acpiid_to_apicid[acpi_id];
-        if (apic_id == ARCH_BAD_APICID)
-                return -1;
+        apic_id = map_mat_entry(handle, acpi_id);
+        if (apic_id == -1)
+                apic_id = map_madt_entry(acpi_id);
+        if (apic_id == -1)
+                return apic_id;
 
-        for (i = 0; i < NR_CPUS; i++) {
+        for (i = 0; i < NR_CPUS; ++i) {
                 if (arch_cpu_to_apicid[i] == apic_id)
                         return i;
         }
@@ -410,7 +506,7 @@ static int convert_acpiid_to_cpu(u8 acpi_id)
                                  Driver Interface
    -------------------------------------------------------------------------- */
 
-static int acpi_processor_get_info(struct acpi_processor *pr)
+static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid)
 {
         acpi_status status = 0;
         union acpi_object object = { 0 };
@@ -431,7 +527,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr)
          * Check to see if we have bus mastering arbitration control.  This
          * is required for proper C3 usage (to maintain cache coherency).
          */
-        if (acpi_fadt.V1_pm2_cnt_blk && acpi_fadt.pm2_cnt_len) {
+        if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) {
                 pr->flags.bm_control = 1;
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                   "Bus mastering arbitration control present\n"));
@@ -439,24 +535,35 @@ static int acpi_processor_get_info(struct acpi_processor *pr)
                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                   "No bus mastering arbitration control\n"));
 
-        /*
-         * Evalute the processor object.  Note that it is common on SMP to
-         * have the first (boot) processor with a valid PBLK address while
-         * all others have a NULL address.
-         */
-        status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
-        if (ACPI_FAILURE(status)) {
-                printk(KERN_ERR PREFIX "Evaluating processor object\n");
-                return -ENODEV;
-        }
-
-        /*
-         * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
-         *      >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c
-         */
-        pr->acpi_id = object.processor.proc_id;
+        /* Check if it is a Device with HID and UID */
+        if (has_uid) {
+                unsigned long value;
+                status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,
+                                                NULL, &value);
+                if (ACPI_FAILURE(status)) {
+                        printk(KERN_ERR PREFIX "Evaluating processor _UID\n");
+                        return -ENODEV;
+                }
+                pr->acpi_id = value;
+        } else {
+                /*
+                * Evalute the processor object.  Note that it is common on SMP to
+                * have the first (boot) processor with a valid PBLK address while
+                * all others have a NULL address.
+                */
+                status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
+                if (ACPI_FAILURE(status)) {
+                        printk(KERN_ERR PREFIX "Evaluating processor object\n");
+                        return -ENODEV;
+                }
 
-        cpu_index = convert_acpiid_to_cpu(pr->acpi_id);
+                /*
+                * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
+                *      >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c
+                */
+                pr->acpi_id = object.processor.proc_id;
+        }
+        cpu_index = get_cpu_id(pr->handle, pr->acpi_id);
 
         /* Handle UP system running SMP kernel, with no LAPIC in MADT */
         if (!cpu0_initialized && (cpu_index == -1) &&
@@ -473,7 +580,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr)
          *  less than the max # of CPUs. They should be ignored _iff
          *  they are physically not present.
          */
-        if (cpu_index == -1) {
+        if (pr->id == -1) {
                 if (ACPI_FAILURE
                     (acpi_processor_hotadd_init(pr->handle, &pr->id))) {
                         return -ENODEV;
@@ -490,8 +597,8 @@ static int acpi_processor_get_info(struct acpi_processor *pr)
                             object.processor.pblk_length);
         else {
                 pr->throttling.address = object.processor.pblk_address;
-                pr->throttling.duty_offset = acpi_fadt.duty_offset;
-                pr->throttling.duty_width = acpi_fadt.duty_width;
+                pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset;
+                pr->throttling.duty_width = acpi_gbl_FADT.duty_width;
 
                 pr->pblk = object.processor.pblk_address;
 
@@ -525,7 +632,7 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
 
         pr = acpi_driver_data(device);
 
-        result = acpi_processor_get_info(pr);
+        result = acpi_processor_get_info(pr, device->flags.unique_id);
         if (result) {
                 /* Processor is physically not present */
                 return 0;
@@ -895,6 +1002,12 @@ static int __init acpi_processor_init(void)
         memset(&processors, 0, sizeof(processors));
         memset(&errata, 0, sizeof(errata));
 
+#ifdef CONFIG_SMP
+        if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
+                                (struct acpi_table_header **)&madt)))
+                madt = 0;
+#endif
+
         acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
         if (!acpi_processor_dir)
                 return -ENOMEM;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 3f30af21574e..6c6751b1405b 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -160,7 +160,7 @@ static inline u32 ticks_elapsed(u32 t1, u32 t2)
 {
         if (t2 >= t1)
                 return (t2 - t1);
-        else if (!acpi_fadt.tmr_val_ext)
+        else if (!(acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER))
                 return (((0x00FFFFFF - t1) + t2) & 0x00FFFFFF);
         else
                 return ((0xFFFFFFFF - t1) + t2);
@@ -187,8 +187,7 @@ acpi_processor_power_activate(struct acpi_processor *pr,
                 case ACPI_STATE_C3:
                         /* Disable bus master reload */
                         if (new->type != ACPI_STATE_C3 && pr->flags.bm_check)
-                                acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0,
-                                                  ACPI_MTX_DO_NOT_LOCK);
+                                acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
                         break;
                 }
         }
@@ -198,8 +197,7 @@ acpi_processor_power_activate(struct acpi_processor *pr,
         case ACPI_STATE_C3:
                 /* Enable bus master reload */
                 if (old->type != ACPI_STATE_C3 && pr->flags.bm_check)
-                        acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1,
-                                          ACPI_MTX_DO_NOT_LOCK);
+                        acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1);
                 break;
         }
 
@@ -236,7 +234,7 @@ static void acpi_cstate_enter(struct acpi_processor_cx *cstate)
                 /* Dummy wait op - must do something useless after P_LVL2 read
                    because chipsets cannot guarantee that STPCLK# signal
                    gets asserted in time to freeze execution properly. */
-                unused = inl(acpi_fadt.xpm_tmr_blk.address);
+                unused = inl(acpi_gbl_FADT.xpm_timer_block.address);
         }
 }
 
@@ -291,12 +289,10 @@ static void acpi_processor_idle(void)
 
                 pr->power.bm_activity <<= diff;
 
-                acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS,
-                                  &bm_status, ACPI_MTX_DO_NOT_LOCK);
+                acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status);
                 if (bm_status) {
                         pr->power.bm_activity |= 0x1;
-                        acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS,
-                                          1, ACPI_MTX_DO_NOT_LOCK);
+                        acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1);
                 }
                 /*
                  * PIIX4 Erratum #18: Note that BM_STS doesn't always reflect
@@ -338,7 +334,7 @@ static void acpi_processor_idle(void)
          * detection phase, to work cleanly with logical CPU hotplug.
          */
         if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && 
-            !pr->flags.has_cst && !acpi_fadt.plvl2_up)
+            !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
                 cx = &pr->power.states[ACPI_STATE_C1];
 #endif
 
@@ -384,11 +380,11 @@ static void acpi_processor_idle(void)
 
         case ACPI_STATE_C2:
                 /* Get start time (ticks) */
-                t1 = inl(acpi_fadt.xpm_tmr_blk.address);
+                t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
                 /* Invoke C2 */
                 acpi_cstate_enter(cx);
                 /* Get end time (ticks) */
-                t2 = inl(acpi_fadt.xpm_tmr_blk.address);
+                t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
 
 #ifdef CONFIG_GENERIC_TIME
                 /* TSC halts in C2, so notify users */
@@ -411,8 +407,7 @@ static void acpi_processor_idle(void)
                                  * All CPUs are trying to go to C3
                                  * Disable bus master arbitration
                                  */
-                                acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1,
-                                                  ACPI_MTX_DO_NOT_LOCK);
+                                acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1);
                         }
                 } else {
                         /* SMP with no shared cache... Invalidate cache  */
@@ -420,16 +415,15 @@ static void acpi_processor_idle(void)
                 }
 
                 /* Get start time (ticks) */
-                t1 = inl(acpi_fadt.xpm_tmr_blk.address);
+                t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
                 /* Invoke C3 */
                 acpi_cstate_enter(cx);
                 /* Get end time (ticks) */
-                t2 = inl(acpi_fadt.xpm_tmr_blk.address);
+                t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
                 if (pr->flags.bm_check) {
                         /* Enable bus master arbitration */
                         atomic_dec(&c3_cpu_count);
-                        acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0,
-                                          ACPI_MTX_DO_NOT_LOCK);
+                        acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
                 }
 
 #ifdef CONFIG_GENERIC_TIME
@@ -457,7 +451,7 @@ static void acpi_processor_idle(void)
 #ifdef CONFIG_HOTPLUG_CPU
         /* Don't do promotion/demotion */
         if ((cx->type == ACPI_STATE_C1) && (num_online_cpus() > 1) &&
-            !pr->flags.has_cst && !acpi_fadt.plvl2_up) {
+            !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) {
                 next_state = cx;
                 goto end;
         }
@@ -627,7 +621,8 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
          * Check for P_LVL2_UP flag before entering C2 and above on
          * an SMP system. 
          */
-        if ((num_online_cpus() > 1) && !acpi_fadt.plvl2_up)
+        if ((num_online_cpus() > 1) &&
+            !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
                 return -ENODEV;
 #endif
 
@@ -636,8 +631,8 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
         pr->power.states[ACPI_STATE_C3].address = pr->pblk + 5;
 
         /* determine latencies from FADT */
-        pr->power.states[ACPI_STATE_C2].latency = acpi_fadt.plvl2_lat;
-        pr->power.states[ACPI_STATE_C3].latency = acpi_fadt.plvl3_lat;
+        pr->power.states[ACPI_STATE_C2].latency = acpi_gbl_FADT.C2latency;
+        pr->power.states[ACPI_STATE_C3].latency = acpi_gbl_FADT.C3latency;
 
         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                           "lvl2[0x%08x] lvl3[0x%08x]\n",
@@ -883,14 +878,13 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
                  * WBINVD should be set in fadt, for C3 state to be
                  * supported on when bm_check is not required.
                  */
-                if (acpi_fadt.wb_invd != 1) {
+                if (!(acpi_gbl_FADT.flags & ACPI_FADT_WBINVD)) {
                         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                           "Cache invalidation should work properly"
                                           " for C3 to be enabled on SMP systems\n"));
                         return;
                 }
-                acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD,
-                                  0, ACPI_MTX_DO_NOT_LOCK);
+                acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
         }
 
         /*
@@ -1096,7 +1090,7 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
                 seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n",
                            pr->power.states[i].latency,
                            pr->power.states[i].usage,
-                           pr->power.states[i].time);
+                           (unsigned long long)pr->power.states[i].time);
         }
 
       end:
@@ -1164,9 +1158,9 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
         if (!pr)
                 return -EINVAL;
 
-        if (acpi_fadt.cst_cnt && !nocst) {
+        if (acpi_gbl_FADT.cst_control && !nocst) {
                 status =
-                    acpi_os_write_port(acpi_fadt.smi_cmd, acpi_fadt.cst_cnt, 8);
+                    acpi_os_write_port(acpi_gbl_FADT.smi_command, acpi_gbl_FADT.cst_control, 8);
                 if (ACPI_FAILURE(status)) {
                         ACPI_EXCEPTION((AE_INFO, status,
                                         "Notifying BIOS of _CST ability failed"));
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index cbb6f0814ce2..058f13cf3b79 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -352,31 +352,24 @@ int acpi_processor_notify_smm(struct module *calling_module)
 
         is_done = -EIO;
 
-        /* Can't write pstate_cnt to smi_cmd if either value is zero */
-        if ((!acpi_fadt.smi_cmd) || (!acpi_fadt.pstate_cnt)) {
-                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_cnt\n"));
+        /* Can't write pstate_control to smi_command if either value is zero */
+        if ((!acpi_gbl_FADT.smi_command) || (!acpi_gbl_FADT.pstate_control)) {
+                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_control\n"));
                 module_put(calling_module);
                 return 0;
         }
 
         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                          "Writing pstate_cnt [0x%x] to smi_cmd [0x%x]\n",
-                          acpi_fadt.pstate_cnt, acpi_fadt.smi_cmd));
+                          "Writing pstate_control [0x%x] to smi_command [0x%x]\n",
+                          acpi_gbl_FADT.pstate_control, acpi_gbl_FADT.smi_command));
 
-        /* FADT v1 doesn't support pstate_cnt, many BIOS vendors use
-         * it anyway, so we need to support it... */
-        if (acpi_fadt_is_v1) {
-                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                  "Using v1.0 FADT reserved value for pstate_cnt\n"));
-        }
-
-        status = acpi_os_write_port(acpi_fadt.smi_cmd,
-                                    (u32) acpi_fadt.pstate_cnt, 8);
+        status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+                                    (u32) acpi_gbl_FADT.pstate_control, 8);
         if (ACPI_FAILURE(status)) {
                 ACPI_EXCEPTION((AE_INFO, status,
-                                "Failed to write pstate_cnt [0x%x] to "
-                                "smi_cmd [0x%x]", acpi_fadt.pstate_cnt,
-                                acpi_fadt.smi_cmd));
+                                "Failed to write pstate_control [0x%x] to "
+                                "smi_command [0x%x]", acpi_gbl_FADT.pstate_control,
+                                acpi_gbl_FADT.smi_command));
                 module_put(calling_module);
                 return status;
         }
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 0ec7dcde0063..89dff3639abe 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -125,7 +125,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
                 /* Used to clear all duty_value bits */
                 duty_mask = pr->throttling.state_count - 1;
 
-                duty_mask <<= acpi_fadt.duty_offset;
+                duty_mask <<= acpi_gbl_FADT.duty_offset;
                 duty_mask = ~duty_mask;
         }
 
@@ -208,7 +208,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
                 return 0;
         }
 
-        pr->throttling.state_count = 1 << acpi_fadt.duty_width;
+        pr->throttling.state_count = 1 << acpi_gbl_FADT.duty_width;
 
         /*
          * Compute state values. Note that throttling displays a linear power/
diff --git a/drivers/acpi/resources/rsaddr.c b/drivers/acpi/resources/rsaddr.c
index 8fa3213ce000..271e61509eeb 100644
--- a/drivers/acpi/resources/rsaddr.c
+++ b/drivers/acpi/resources/rsaddr.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index cf87b0230026..8c6d3fdec38a 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c
index 008058acdd39..1358c06a969c 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/resources/rscreate.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index 9c99a723a860..de20a5d6decf 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rsinfo.c b/drivers/acpi/resources/rsinfo.c
index 9e7ae2f8a1d3..7e3c335ab320 100644
--- a/drivers/acpi/resources/rsinfo.c
+++ b/drivers/acpi/resources/rsinfo.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rsio.c b/drivers/acpi/resources/rsio.c
index ea567167c4f2..b297bc3e4419 100644
--- a/drivers/acpi/resources/rsio.c
+++ b/drivers/acpi/resources/rsio.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rsirq.c b/drivers/acpi/resources/rsirq.c
index 1fa63bc2e36f..5657f7b95039 100644
--- a/drivers/acpi/resources/rsirq.c
+++ b/drivers/acpi/resources/rsirq.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index 29423ce030ca..a92755c8877d 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rsmemory.c b/drivers/acpi/resources/rsmemory.c
index a5131936d690..521eab7dd8df 100644
--- a/drivers/acpi/resources/rsmemory.c
+++ b/drivers/acpi/resources/rsmemory.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index faf6e106b785..3b63b561b94e 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index a9cbee8e8b44..2442a8f8df57 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c
index 1999e2ab7daa..991f8901498c 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/resources/rsxface.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 283d87522c5d..0de458664642 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1333,7 +1333,7 @@ static int acpi_bus_scan_fixed(struct acpi_device *root)
         /*
          * Enumerate all fixed-feature devices.
          */
-        if (acpi_fadt.pwr_button == 0) {
+        if ((acpi_gbl_FADT.flags & ACPI_FADT_POWER_BUTTON) == 0) {
                 result = acpi_add_single_object(&device, acpi_root,
                                                 NULL,
                                                 ACPI_BUS_TYPE_POWER_BUTTON);
@@ -1341,7 +1341,7 @@ static int acpi_bus_scan_fixed(struct acpi_device *root)
                         result = acpi_start_single_object(device);
         }
 
-        if (acpi_fadt.sleep_button == 0) {
+        if ((acpi_gbl_FADT.flags & ACPI_FADT_SLEEP_BUTTON) == 0) {
                 result = acpi_add_single_object(&device, acpi_root,
                                                 NULL,
                                                 ACPI_BUS_TYPE_SLEEP_BUTTON);
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index 34962578039d..ccc11b33d89c 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -73,7 +73,7 @@ acpi_system_write_sleep(struct file *file,
 static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
 {
         u32 sec, min, hr;
-        u32 day, mo, yr;
+        u32 day, mo, yr, cent = 0;
         unsigned char rtc_control = 0;
         unsigned long flags;
 
@@ -87,20 +87,19 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
         rtc_control = CMOS_READ(RTC_CONTROL);
 
         /* If we ever get an FACP with proper values... */
-        if (acpi_gbl_FADT->day_alrm)
+        if (acpi_gbl_FADT.day_alarm)
                 /* ACPI spec: only low 6 its should be cared */
-                day = CMOS_READ(acpi_gbl_FADT->day_alrm) & 0x3F;
+                day = CMOS_READ(acpi_gbl_FADT.day_alarm) & 0x3F;
         else
                 day = CMOS_READ(RTC_DAY_OF_MONTH);
-        if (acpi_gbl_FADT->mon_alrm)
-                mo = CMOS_READ(acpi_gbl_FADT->mon_alrm);
+        if (acpi_gbl_FADT.month_alarm)
+                mo = CMOS_READ(acpi_gbl_FADT.month_alarm);
         else
                 mo = CMOS_READ(RTC_MONTH);
-        if (acpi_gbl_FADT->century)
-                yr = CMOS_READ(acpi_gbl_FADT->century) * 100 +
-                    CMOS_READ(RTC_YEAR);
-        else
-                yr = CMOS_READ(RTC_YEAR);
+        if (acpi_gbl_FADT.century)
+                cent = CMOS_READ(acpi_gbl_FADT.century);
+
+        yr = CMOS_READ(RTC_YEAR);
 
         spin_unlock_irqrestore(&rtc_lock, flags);
 
@@ -111,10 +110,11 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
                 BCD_TO_BIN(day);
                 BCD_TO_BIN(mo);
                 BCD_TO_BIN(yr);
+                BCD_TO_BIN(cent);
         }
 
         /* we're trusting the FADT (see above) */
-        if (!acpi_gbl_FADT->century)
+        if (!acpi_gbl_FADT.century)
                 /* If we're not trusting the FADT, we should at least make it
                  * right for _this_ century... ehm, what is _this_ century?
                  *
@@ -134,6 +134,8 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
                  *
                  */
                 yr += 2000;
+        else
+                yr += cent * 100;
 
         seq_printf(seq, "%4.4u-", yr);
         (mo > 12) ? seq_puts(seq, "**-") : seq_printf(seq, "%2.2u-", mo);
@@ -317,12 +319,12 @@ acpi_system_write_alarm(struct file *file,
          * offsets into the CMOS RAM here -- which for some reason are pointing
          * to the RTC area of memory.
          */
-        if (acpi_gbl_FADT->day_alrm)
-                CMOS_WRITE(day, acpi_gbl_FADT->day_alrm);
-        if (acpi_gbl_FADT->mon_alrm)
-                CMOS_WRITE(mo, acpi_gbl_FADT->mon_alrm);
-        if (acpi_gbl_FADT->century)
-                CMOS_WRITE(yr / 100, acpi_gbl_FADT->century);
+        if (acpi_gbl_FADT.day_alarm)
+                CMOS_WRITE(day, acpi_gbl_FADT.day_alarm);
+        if (acpi_gbl_FADT.month_alarm)
+                CMOS_WRITE(mo, acpi_gbl_FADT.month_alarm);
+        if (acpi_gbl_FADT.century)
+                CMOS_WRITE(yr / 100, acpi_gbl_FADT.century);
         /* enable the rtc alarm interrupt */
         rtc_control |= RTC_AIE;
         CMOS_WRITE(rtc_control, RTC_CONTROL);
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index d86dcb3c2366..2d425d845821 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -39,7 +39,6 @@ ACPI_MODULE_NAME("acpi_system")
 #define ACPI_SYSTEM_FILE_EVENT          "event"
 #define ACPI_SYSTEM_FILE_DSDT           "dsdt"
 #define ACPI_SYSTEM_FILE_FADT           "fadt"
-extern struct fadt_descriptor acpi_fadt;
 
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
@@ -76,17 +75,16 @@ acpi_system_read_dsdt(struct file *file,
                       char __user * buffer, size_t count, loff_t * ppos)
 {
         acpi_status status = AE_OK;
-        struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
+        struct acpi_table_header *dsdt = NULL;
         ssize_t res;
 
 
-        status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
+        status = acpi_get_table(ACPI_SIG_DSDT, 1, &dsdt);
         if (ACPI_FAILURE(status))
                 return -ENODEV;
 
         res = simple_read_from_buffer(buffer, count, ppos,
-                                      dsdt.pointer, dsdt.length);
-        kfree(dsdt.pointer);
+                                      dsdt, dsdt->length);
 
         return res;
 }
@@ -103,17 +101,16 @@ acpi_system_read_fadt(struct file *file,
                       char __user * buffer, size_t count, loff_t * ppos)
 {
         acpi_status status = AE_OK;
-        struct acpi_buffer fadt = { ACPI_ALLOCATE_BUFFER, NULL };
+        struct acpi_table_header *fadt = NULL;
         ssize_t res;
 
 
-        status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt);
+        status = acpi_get_table(ACPI_SIG_FADT, 1, &fadt);
         if (ACPI_FAILURE(status))
                 return -ENODEV;
 
         res = simple_read_from_buffer(buffer, count, ppos,
-                                      fadt.pointer, fadt.length);
-        kfree(fadt.pointer);
+                                      fadt, fadt->length);
 
         return res;
 }
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index ffa30c9fccbf..ba4cb200314a 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -38,154 +38,97 @@
 
 #define ACPI_MAX_TABLES         128
 
-static char *acpi_table_signatures[ACPI_TABLE_COUNT] = {
-        [ACPI_TABLE_UNKNOWN] = "????",
-        [ACPI_APIC] = "APIC",
-        [ACPI_BOOT] = "BOOT",
-        [ACPI_DBGP] = "DBGP",
-        [ACPI_DSDT] = "DSDT",
-        [ACPI_ECDT] = "ECDT",
-        [ACPI_ETDT] = "ETDT",
-        [ACPI_FADT] = "FACP",
-        [ACPI_FACS] = "FACS",
-        [ACPI_OEMX] = "OEM",
-        [ACPI_PSDT] = "PSDT",
-        [ACPI_SBST] = "SBST",
-        [ACPI_SLIT] = "SLIT",
-        [ACPI_SPCR] = "SPCR",
-        [ACPI_SRAT] = "SRAT",
-        [ACPI_SSDT] = "SSDT",
-        [ACPI_SPMI] = "SPMI",
-        [ACPI_HPET] = "HPET",
-        [ACPI_MCFG] = "MCFG",
-};
-
 static char *mps_inti_flags_polarity[] = { "dfl", "high", "res", "low" };
 static char *mps_inti_flags_trigger[] = { "dfl", "edge", "res", "level" };
 
-/* System Description Table (RSDT/XSDT) */
-struct acpi_table_sdt {
-        unsigned long pa;
-        enum acpi_table_id id;
-        unsigned long size;
-} __attribute__ ((packed));
-
-static unsigned long sdt_pa;    /* Physical Address */
-static unsigned long sdt_count; /* Table count */
+static struct acpi_table_desc initial_tables[ACPI_MAX_TABLES] __initdata;
 
-static struct acpi_table_sdt sdt_entry[ACPI_MAX_TABLES] __initdata;
-
-void acpi_table_print(struct acpi_table_header *header, unsigned long phys_addr)
-{
-        char *name = NULL;
-
-        if (!header)
-                return;
-
-        /* Some table signatures aren't good table names */
-
-        if (!strncmp((char *)&header->signature,
-                     acpi_table_signatures[ACPI_APIC],
-                     sizeof(header->signature))) {
-                name = "MADT";
-        } else if (!strncmp((char *)&header->signature,
-                            acpi_table_signatures[ACPI_FADT],
-                            sizeof(header->signature))) {
-                name = "FADT";
-        } else
-                name = header->signature;
-
-        printk(KERN_DEBUG PREFIX
-               "%.4s (v%3.3d %6.6s %8.8s 0x%08x %.4s 0x%08x) @ 0x%p\n", name,
-               header->revision, header->oem_id, header->oem_table_id,
-               header->oem_revision, header->asl_compiler_id,
-               header->asl_compiler_revision, (void *)phys_addr);
-}
-
-void acpi_table_print_madt_entry(acpi_table_entry_header * header)
+void acpi_table_print_madt_entry(struct acpi_subtable_header * header)
 {
         if (!header)
                 return;
 
         switch (header->type) {
 
-        case ACPI_MADT_LAPIC:
+        case ACPI_MADT_TYPE_LOCAL_APIC:
                 {
-                        struct acpi_table_lapic *p =
-                            (struct acpi_table_lapic *)header;
+                        struct acpi_madt_local_apic *p =
+                            (struct acpi_madt_local_apic *)header;
                         printk(KERN_INFO PREFIX
                                "LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n",
-                               p->acpi_id, p->id,
-                               p->flags.enabled ? "enabled" : "disabled");
+                               p->processor_id, p->id,
+                               (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
                 }
                 break;
 
-        case ACPI_MADT_IOAPIC:
+        case ACPI_MADT_TYPE_IO_APIC:
                 {
-                        struct acpi_table_ioapic *p =
-                            (struct acpi_table_ioapic *)header;
+                        struct acpi_madt_io_apic *p =
+                            (struct acpi_madt_io_apic *)header;
                         printk(KERN_INFO PREFIX
                                "IOAPIC (id[0x%02x] address[0x%08x] gsi_base[%d])\n",
                                p->id, p->address, p->global_irq_base);
                 }
                 break;
 
-        case ACPI_MADT_INT_SRC_OVR:
+        case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
                 {
-                        struct acpi_table_int_src_ovr *p =
-                            (struct acpi_table_int_src_ovr *)header;
+                        struct acpi_madt_interrupt_override *p =
+                            (struct acpi_madt_interrupt_override *)header;
                         printk(KERN_INFO PREFIX
                                "INT_SRC_OVR (bus %d bus_irq %d global_irq %d %s %s)\n",
-                               p->bus, p->bus_irq, p->global_irq,
-                               mps_inti_flags_polarity[p->flags.polarity],
-                               mps_inti_flags_trigger[p->flags.trigger]);
-                        if (p->flags.reserved)
+                               p->bus, p->source_irq, p->global_irq,
+                               mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK],
+                               mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2]);
+                        if (p->inti_flags  &
+                            ~(ACPI_MADT_POLARITY_MASK | ACPI_MADT_TRIGGER_MASK))
                                 printk(KERN_INFO PREFIX
                                        "INT_SRC_OVR unexpected reserved flags: 0x%x\n",
-                                       p->flags.reserved);
+                                       p->inti_flags  &
+                                        ~(ACPI_MADT_POLARITY_MASK | ACPI_MADT_TRIGGER_MASK));
 
                 }
                 break;
 
-        case ACPI_MADT_NMI_SRC:
+        case ACPI_MADT_TYPE_NMI_SOURCE:
                 {
-                        struct acpi_table_nmi_src *p =
-                            (struct acpi_table_nmi_src *)header;
+                        struct acpi_madt_nmi_source *p =
+                            (struct acpi_madt_nmi_source *)header;
                         printk(KERN_INFO PREFIX
                                "NMI_SRC (%s %s global_irq %d)\n",
-                               mps_inti_flags_polarity[p->flags.polarity],
-                               mps_inti_flags_trigger[p->flags.trigger],
+                               mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK],
+                               mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2],
                                p->global_irq);
                 }
                 break;
 
-        case ACPI_MADT_LAPIC_NMI:
+        case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
                 {
-                        struct acpi_table_lapic_nmi *p =
-                            (struct acpi_table_lapic_nmi *)header;
+                        struct acpi_madt_local_apic_nmi *p =
+                            (struct acpi_madt_local_apic_nmi *)header;
                         printk(KERN_INFO PREFIX
                                "LAPIC_NMI (acpi_id[0x%02x] %s %s lint[0x%x])\n",
-                               p->acpi_id,
-                               mps_inti_flags_polarity[p->flags.polarity],
-                               mps_inti_flags_trigger[p->flags.trigger],
+                               p->processor_id,
+                               mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK  ],
+                               mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2],
                                p->lint);
                 }
                 break;
 
-        case ACPI_MADT_LAPIC_ADDR_OVR:
+        case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
                 {
-                        struct acpi_table_lapic_addr_ovr *p =
-                            (struct acpi_table_lapic_addr_ovr *)header;
+                        struct acpi_madt_local_apic_override *p =
+                            (struct acpi_madt_local_apic_override *)header;
                         printk(KERN_INFO PREFIX
                                "LAPIC_ADDR_OVR (address[%p])\n",
                                (void *)(unsigned long)p->address);
                 }
                 break;
 
-        case ACPI_MADT_IOSAPIC:
+        case ACPI_MADT_TYPE_IO_SAPIC:
                 {
-                        struct acpi_table_iosapic *p =
-                            (struct acpi_table_iosapic *)header;
+                        struct acpi_madt_io_sapic *p =
+                            (struct acpi_madt_io_sapic *)header;
                         printk(KERN_INFO PREFIX
                                "IOSAPIC (id[0x%x] address[%p] gsi_base[%d])\n",
                                p->id, (void *)(unsigned long)p->address,
@@ -193,26 +136,26 @@ void acpi_table_print_madt_entry(acpi_table_entry_header * header)
                 }
                 break;
 
-        case ACPI_MADT_LSAPIC:
+        case ACPI_MADT_TYPE_LOCAL_SAPIC:
                 {
-                        struct acpi_table_lsapic *p =
-                            (struct acpi_table_lsapic *)header;
+                        struct acpi_madt_local_sapic *p =
+                            (struct acpi_madt_local_sapic *)header;
                         printk(KERN_INFO PREFIX
                                "LSAPIC (acpi_id[0x%02x] lsapic_id[0x%02x] lsapic_eid[0x%02x] %s)\n",
-                               p->acpi_id, p->id, p->eid,
-                               p->flags.enabled ? "enabled" : "disabled");
+                               p->processor_id, p->id, p->eid,
+                               (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
                 }
                 break;
 
-        case ACPI_MADT_PLAT_INT_SRC:
+        case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
                 {
-                        struct acpi_table_plat_int_src *p =
-                            (struct acpi_table_plat_int_src *)header;
+                        struct acpi_madt_interrupt_source *p =
+                            (struct acpi_madt_interrupt_source *)header;
                         printk(KERN_INFO PREFIX
                                "PLAT_INT_SRC (%s %s type[0x%x] id[0x%04x] eid[0x%x] iosapic_vector[0x%x] global_irq[0x%x]\n",
-                               mps_inti_flags_polarity[p->flags.polarity],
-                               mps_inti_flags_trigger[p->flags.trigger],
-                               p->type, p->id, p->eid, p->iosapic_vector,
+                               mps_inti_flags_polarity[p->inti_flags & ACPI_MADT_POLARITY_MASK],
+                               mps_inti_flags_trigger[(p->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2],
+                               p->type, p->id, p->eid, p->io_sapic_vector,
                                p->global_irq);
                 }
                 break;
@@ -225,342 +168,76 @@ void acpi_table_print_madt_entry(acpi_table_entry_header * header)
         }
 }
 
-static int
-acpi_table_compute_checksum(void *table_pointer, unsigned long length)
-{
-        u8 *p = table_pointer;
-        unsigned long remains = length;
-        unsigned long sum = 0;
-
-        if (!p || !length)
-                return -EINVAL;
-
-        while (remains--)
-                sum += *p++;
-
-        return (sum & 0xFF);
-}
 
-/*
- * acpi_get_table_header_early()
- * for acpi_blacklisted(), acpi_table_get_sdt()
- */
 int __init
-acpi_get_table_header_early(enum acpi_table_id id,
-                            struct acpi_table_header **header)
-{
-        unsigned int i;
-        enum acpi_table_id temp_id;
-
-        /* DSDT is different from the rest */
-        if (id == ACPI_DSDT)
-                temp_id = ACPI_FADT;
-        else
-                temp_id = id;
-
-        /* Locate the table. */
-
-        for (i = 0; i < sdt_count; i++) {
-                if (sdt_entry[i].id != temp_id)
-                        continue;
-                *header = (void *)
-                    __acpi_map_table(sdt_entry[i].pa, sdt_entry[i].size);
-                if (!*header) {
-                        printk(KERN_WARNING PREFIX "Unable to map %s\n",
-                               acpi_table_signatures[temp_id]);
-                        return -ENODEV;
-                }
-                break;
-        }
-
-        if (!*header) {
-                printk(KERN_WARNING PREFIX "%s not present\n",
-                       acpi_table_signatures[id]);
-                return -ENODEV;
-        }
-
-        /* Map the DSDT header via the pointer in the FADT */
-        if (id == ACPI_DSDT) {
-                struct fadt_descriptor *fadt =
-                    (struct fadt_descriptor *)*header;
-
-                if (fadt->revision == 3 && fadt->Xdsdt) {
-                        *header = (void *)__acpi_map_table(fadt->Xdsdt,
-                                                           sizeof(struct
-                                                                  acpi_table_header));
-                } else if (fadt->V1_dsdt) {
-                        *header = (void *)__acpi_map_table(fadt->V1_dsdt,
-                                                           sizeof(struct
-                                                                  acpi_table_header));
-                } else
-                        *header = NULL;
-
-                if (!*header) {
-                        printk(KERN_WARNING PREFIX "Unable to map DSDT\n");
-                        return -ENODEV;
-                }
-        }
-
-        return 0;
-}
-
-int __init
-acpi_table_parse_madt_family(enum acpi_table_id id,
+acpi_table_parse_madt_family(char *id,
                              unsigned long madt_size,
                              int entry_id,
                              acpi_madt_entry_handler handler,
                              unsigned int max_entries)
 {
-        void *madt = NULL;
-        acpi_table_entry_header *entry;
+        struct acpi_table_header *madt = NULL;
+        struct acpi_subtable_header *entry;
         unsigned int count = 0;
         unsigned long madt_end;
-        unsigned int i;
 
         if (!handler)
                 return -EINVAL;
 
         /* Locate the MADT (if exists). There should only be one. */
-
-        for (i = 0; i < sdt_count; i++) {
-                if (sdt_entry[i].id != id)
-                        continue;
-                madt = (void *)
-                    __acpi_map_table(sdt_entry[i].pa, sdt_entry[i].size);
-                if (!madt) {
-                        printk(KERN_WARNING PREFIX "Unable to map %s\n",
-                               acpi_table_signatures[id]);
-                        return -ENODEV;
-                }
-                break;
-        }
+        acpi_get_table(id, 0, &madt);
 
         if (!madt) {
-                printk(KERN_WARNING PREFIX "%s not present\n",
-                       acpi_table_signatures[id]);
+                printk(KERN_WARNING PREFIX "%4.4s not present\n", id);
                 return -ENODEV;
         }
 
-        madt_end = (unsigned long)madt + sdt_entry[i].size;
+        madt_end = (unsigned long)madt + madt->length;
 
         /* Parse all entries looking for a match. */
 
-        entry = (acpi_table_entry_header *)
+        entry = (struct acpi_subtable_header *)
             ((unsigned long)madt + madt_size);
 
-        while (((unsigned long)entry) + sizeof(acpi_table_entry_header) <
+        while (((unsigned long)entry) + sizeof(struct acpi_subtable_header) <
                madt_end) {
                 if (entry->type == entry_id
                     && (!max_entries || count++ < max_entries))
                         if (handler(entry, madt_end))
                                 return -EINVAL;
 
-                entry = (acpi_table_entry_header *)
+                entry = (struct acpi_subtable_header *)
                     ((unsigned long)entry + entry->length);
         }
         if (max_entries && count > max_entries) {
-                printk(KERN_WARNING PREFIX "[%s:0x%02x] ignored %i entries of "
-                       "%i found\n", acpi_table_signatures[id], entry_id,
-                       count - max_entries, count);
+                printk(KERN_WARNING PREFIX "[%4.4s:0x%02x] ignored %i entries of "
+                       "%i found\n", id, entry_id, count - max_entries, count);
         }
 
         return count;
 }
 
 int __init
-acpi_table_parse_madt(enum acpi_madt_entry_id id,
+acpi_table_parse_madt(enum acpi_madt_type id,
                       acpi_madt_entry_handler handler, unsigned int max_entries)
 {
-        return acpi_table_parse_madt_family(ACPI_APIC,
+        return acpi_table_parse_madt_family(ACPI_SIG_MADT,
                                             sizeof(struct acpi_table_madt), id,
                                             handler, max_entries);
 }
 
-int __init acpi_table_parse(enum acpi_table_id id, acpi_table_handler handler)
+int __init acpi_table_parse(char *id, acpi_table_handler handler)
 {
-        int count = 0;
-        unsigned int i = 0;
-
+        struct acpi_table_header *table = NULL;
         if (!handler)
                 return -EINVAL;
 
-        for (i = 0; i < sdt_count; i++) {
-                if (sdt_entry[i].id != id)
-                        continue;
-                count++;
-                if (count == 1)
-                        handler(sdt_entry[i].pa, sdt_entry[i].size);
-
-                else
-                        printk(KERN_WARNING PREFIX
-                               "%d duplicate %s table ignored.\n", count,
-                               acpi_table_signatures[id]);
-        }
-
-        return count;
-}
-
-static int __init acpi_table_get_sdt(struct acpi_table_rsdp *rsdp)
-{
-        struct acpi_table_header *header = NULL;
-        unsigned int i, id = 0;
-
-        if (!rsdp)
-                return -EINVAL;
-
-        /* First check XSDT (but only on ACPI 2.0-compatible systems) */
-
-        if ((rsdp->revision >= 2) &&
-            (((struct acpi20_table_rsdp *)rsdp)->xsdt_address)) {
-
-                struct acpi_table_xsdt *mapped_xsdt = NULL;
-
-                sdt_pa = ((struct acpi20_table_rsdp *)rsdp)->xsdt_address;
-
-                /* map in just the header */
-                header = (struct acpi_table_header *)
-                    __acpi_map_table(sdt_pa, sizeof(struct acpi_table_header));
-
-                if (!header) {
-                        printk(KERN_WARNING PREFIX
-                               "Unable to map XSDT header\n");
-                        return -ENODEV;
-                }
-
-                /* remap in the entire table before processing */
-                mapped_xsdt = (struct acpi_table_xsdt *)
-                    __acpi_map_table(sdt_pa, header->length);
-                if (!mapped_xsdt) {
-                        printk(KERN_WARNING PREFIX "Unable to map XSDT\n");
-                        return -ENODEV;
-                }
-                header = &mapped_xsdt->header;
-
-                if (strncmp(header->signature, "XSDT", 4)) {
-                        printk(KERN_WARNING PREFIX
-                               "XSDT signature incorrect\n");
-                        return -ENODEV;
-                }
-
-                if (acpi_table_compute_checksum(header, header->length)) {
-                        printk(KERN_WARNING PREFIX "Invalid XSDT checksum\n");
-                        return -ENODEV;
-                }
-
-                sdt_count =
-                    (header->length - sizeof(struct acpi_table_header)) >> 3;
-                if (sdt_count > ACPI_MAX_TABLES) {
-                        printk(KERN_WARNING PREFIX
-                               "Truncated %lu XSDT entries\n",
-                               (sdt_count - ACPI_MAX_TABLES));
-                        sdt_count = ACPI_MAX_TABLES;
-                }
-
-                for (i = 0; i < sdt_count; i++)
-                        sdt_entry[i].pa = (unsigned long)mapped_xsdt->entry[i];
-        }
-
-        /* Then check RSDT */
-
-        else if (rsdp->rsdt_address) {
-
-                struct acpi_table_rsdt *mapped_rsdt = NULL;
-
-                sdt_pa = rsdp->rsdt_address;
-
-                /* map in just the header */
-                header = (struct acpi_table_header *)
-                    __acpi_map_table(sdt_pa, sizeof(struct acpi_table_header));
-                if (!header) {
-                        printk(KERN_WARNING PREFIX
-                               "Unable to map RSDT header\n");
-                        return -ENODEV;
-                }
-
-                /* remap in the entire table before processing */
-                mapped_rsdt = (struct acpi_table_rsdt *)
-                    __acpi_map_table(sdt_pa, header->length);
-                if (!mapped_rsdt) {
-                        printk(KERN_WARNING PREFIX "Unable to map RSDT\n");
-                        return -ENODEV;
-                }
-                header = &mapped_rsdt->header;
-
-                if (strncmp(header->signature, "RSDT", 4)) {
-                        printk(KERN_WARNING PREFIX
-                               "RSDT signature incorrect\n");
-                        return -ENODEV;
-                }
-
-                if (acpi_table_compute_checksum(header, header->length)) {
-                        printk(KERN_WARNING PREFIX "Invalid RSDT checksum\n");
-                        return -ENODEV;
-                }
-
-                sdt_count =
-                    (header->length - sizeof(struct acpi_table_header)) >> 2;
-                if (sdt_count > ACPI_MAX_TABLES) {
-                        printk(KERN_WARNING PREFIX
-                               "Truncated %lu RSDT entries\n",
-                               (sdt_count - ACPI_MAX_TABLES));
-                        sdt_count = ACPI_MAX_TABLES;
-                }
-
-                for (i = 0; i < sdt_count; i++)
-                        sdt_entry[i].pa = (unsigned long)mapped_rsdt->entry[i];
-        }
-
-        else {
-                printk(KERN_WARNING PREFIX
-                       "No System Description Table (RSDT/XSDT) specified in RSDP\n");
-                return -ENODEV;
-        }
-
-        acpi_table_print(header, sdt_pa);
-
-        for (i = 0; i < sdt_count; i++) {
-
-                /* map in just the header */
-                header = (struct acpi_table_header *)
-                    __acpi_map_table(sdt_entry[i].pa,
-                                     sizeof(struct acpi_table_header));
-                if (!header)
-                        continue;
-
-                /* remap in the entire table before processing */
-                header = (struct acpi_table_header *)
-                    __acpi_map_table(sdt_entry[i].pa, header->length);
-                if (!header)
-                        continue;
-
-                acpi_table_print(header, sdt_entry[i].pa);
-
-                if (acpi_table_compute_checksum(header, header->length)) {
-                        printk(KERN_WARNING "  >>> ERROR: Invalid checksum\n");
-                        continue;
-                }
-
-                sdt_entry[i].size = header->length;
-
-                for (id = 0; id < ACPI_TABLE_COUNT; id++) {
-                        if (!strncmp((char *)&header->signature,
-                                     acpi_table_signatures[id],
-                                     sizeof(header->signature))) {
-                                sdt_entry[i].id = id;
-                        }
-                }
-        }
-
-        /* 
-         * The DSDT is *not* in the RSDT (why not? no idea.) but we want
-         * to print its info, because this is what people usually blacklist
-         * against. Unfortunately, we don't know the phys_addr, so just
-         * print 0. Maybe no one will notice.
-         */
-        if (!acpi_get_table_header_early(ACPI_DSDT, &header))
-                acpi_table_print(header, 0);
-
-        return 0;
+        acpi_get_table(id, 0, &table);
+        if (table) {
+                handler(table);
+                return 1;
+        } else
+                return 0;
 }
 
 /*
@@ -568,54 +245,13 @@ static int __init acpi_table_get_sdt(struct acpi_table_rsdp *rsdp)
  *
  * find RSDP, find and checksum SDT/XSDT.
  * checksum all tables, print SDT/XSDT
- * 
+ *
  * result: sdt_entry[] is initialized
  */
 
+
 int __init acpi_table_init(void)
 {
-        struct acpi_table_rsdp *rsdp = NULL;
-        unsigned long rsdp_phys = 0;
-        int result = 0;
-
-        /* Locate and map the Root System Description Table (RSDP) */
-
-        rsdp_phys = acpi_find_rsdp();
-        if (!rsdp_phys) {
-                printk(KERN_ERR PREFIX "Unable to locate RSDP\n");
-                return -ENODEV;
-        }
-
-        rsdp = (struct acpi_table_rsdp *)__acpi_map_table(rsdp_phys,
-                sizeof(struct acpi_table_rsdp));
-        if (!rsdp) {
-                printk(KERN_WARNING PREFIX "Unable to map RSDP\n");
-                return -ENODEV;
-        }
-
-        printk(KERN_DEBUG PREFIX
-               "RSDP (v%3.3d %6.6s                                ) @ 0x%p\n",
-               rsdp->revision, rsdp->oem_id, (void *)rsdp_phys);
-
-        if (rsdp->revision < 2)
-                result =
-                    acpi_table_compute_checksum(rsdp,
-                                                sizeof(struct acpi_table_rsdp));
-        else
-                result =
-                    acpi_table_compute_checksum(rsdp,
-                                                ((struct acpi20_table_rsdp *)
-                                                 rsdp)->length);
-
-        if (result) {
-                printk(KERN_WARNING "  >>> ERROR: Invalid checksum\n");
-                return -ENODEV;
-        }
-
-        /* Locate and map the System Description table (RSDT/XSDT) */
-
-        if (acpi_table_get_sdt(rsdp))
-                return -ENODEV;
-
+        acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
         return 0;
 }
diff --git a/drivers/acpi/tables/Makefile b/drivers/acpi/tables/Makefile
index aa4c69594d97..0a7d7afac255 100644
--- a/drivers/acpi/tables/Makefile
+++ b/drivers/acpi/tables/Makefile
@@ -2,7 +2,6 @@
 # Makefile for all Linux ACPI interpreter subdirectories
 #
 
-obj-y := tbconvrt.o  tbget.o     tbrsdt.o   tbxface.o  \
-         tbgetall.o  tbinstal.o  tbutils.o  tbxfroot.o
+obj-y := tbxface.o tbinstal.o  tbutils.o tbfind.o tbfadt.o
 
 EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
deleted file mode 100644
index d697fcb35d52..000000000000
--- a/drivers/acpi/tables/tbconvrt.c
+++ /dev/null
@@ -1,622 +0,0 @@
-/******************************************************************************
- *
- * Module Name: tbconvrt - ACPI Table conversion utilities
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT          ACPI_TABLES
-ACPI_MODULE_NAME("tbconvrt")
-
-/* Local prototypes */
-static void
-acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
-                             u8 register_bit_width,
-                             acpi_physical_address address);
-
-static void
-acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
-                      struct fadt_descriptor_rev1 *original_fadt);
-
-static void
-acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
-                      struct fadt_descriptor *original_fadt);
-
-u8 acpi_fadt_is_v1;
-ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1)
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_table_count
- *
- * PARAMETERS:  RSDP            - Pointer to the RSDP
- *              RSDT            - Pointer to the RSDT/XSDT
- *
- * RETURN:      The number of tables pointed to by the RSDT or XSDT.
- *
- * DESCRIPTION: Calculate the number of tables.  Automatically handles either
- *              an RSDT or XSDT.
- *
- ******************************************************************************/
-
-u32
-acpi_tb_get_table_count(struct rsdp_descriptor *RSDP,
-                        struct acpi_table_header *RSDT)
-{
-        u32 pointer_size;
-
-        ACPI_FUNCTION_ENTRY();
-
-        /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
-
-        if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
-                pointer_size = sizeof(u32);
-        } else {
-                pointer_size = sizeof(u64);
-        }
-
-        /*
-         * Determine the number of tables pointed to by the RSDT/XSDT.
-         * This is defined by the ACPI Specification to be the number of
-         * pointers contained within the RSDT/XSDT.  The size of the pointers
-         * is architecture-dependent.
-         */
-        return ((RSDT->length -
-                 sizeof(struct acpi_table_header)) / pointer_size);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_convert_to_xsdt
- *
- * PARAMETERS:  table_info      - Info about the RSDT
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Convert an RSDT to an XSDT (internal common format)
- *
- ******************************************************************************/
-
-acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
-{
-        acpi_size table_size;
-        u32 i;
-        struct xsdt_descriptor *new_table;
-
-        ACPI_FUNCTION_ENTRY();
-
-        /* Compute size of the converted XSDT */
-
-        table_size = ((acpi_size) acpi_gbl_rsdt_table_count * sizeof(u64)) +
-            sizeof(struct acpi_table_header);
-
-        /* Allocate an XSDT */
-
-        new_table = ACPI_ALLOCATE_ZEROED(table_size);
-        if (!new_table) {
-                return (AE_NO_MEMORY);
-        }
-
-        /* Copy the header and set the length */
-
-        ACPI_MEMCPY(new_table, table_info->pointer,
-                    sizeof(struct acpi_table_header));
-        new_table->length = (u32) table_size;
-
-        /* Copy the table pointers */
-
-        for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
-
-                /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
-
-                if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
-                        ACPI_STORE_ADDRESS(new_table->table_offset_entry[i],
-                                           (ACPI_CAST_PTR
-                                            (struct rsdt_descriptor,
-                                             table_info->pointer))->
-                                           table_offset_entry[i]);
-                } else {
-                        new_table->table_offset_entry[i] =
-                            (ACPI_CAST_PTR(struct xsdt_descriptor,
-                                           table_info->pointer))->
-                            table_offset_entry[i];
-                }
-        }
-
-        /* Delete the original table (either mapped or in a buffer) */
-
-        acpi_tb_delete_single_table(table_info);
-
-        /* Point the table descriptor to the new table */
-
-        table_info->pointer =
-            ACPI_CAST_PTR(struct acpi_table_header, new_table);
-        table_info->length = table_size;
-        table_info->allocation = ACPI_MEM_ALLOCATED;
-
-        return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_init_generic_address
- *
- * PARAMETERS:  new_gas_struct      - GAS struct to be initialized
- *              register_bit_width  - Width of this register
- *              Address             - Address of the register
- *
- * RETURN:      None
- *
- * DESCRIPTION: Initialize a GAS structure.
- *
- ******************************************************************************/
-
-static void
-acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
-                             u8 register_bit_width,
-                             acpi_physical_address address)
-{
-
-        ACPI_STORE_ADDRESS(new_gas_struct->address, address);
-
-        new_gas_struct->address_space_id = ACPI_ADR_SPACE_SYSTEM_IO;
-        new_gas_struct->register_bit_width = register_bit_width;
-        new_gas_struct->register_bit_offset = 0;
-        new_gas_struct->access_width = 0;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_convert_fadt1
- *
- * PARAMETERS:  local_fadt      - Pointer to new FADT
- *              original_fadt   - Pointer to old FADT
- *
- * RETURN:      None, populates local_fadt
- *
- * DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format
- *
- ******************************************************************************/
-
-static void
-acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
-                      struct fadt_descriptor_rev1 *original_fadt)
-{
-
-        /* ACPI 1.0 FACS */
-        /* The BIOS stored FADT should agree with Revision 1.0 */
-        acpi_fadt_is_v1 = 1;
-
-        /*
-         * Copy the table header and the common part of the tables.
-         *
-         * The 2.0 table is an extension of the 1.0 table, so the entire 1.0
-         * table can be copied first, then expand some fields to 64 bits.
-         */
-        ACPI_MEMCPY(local_fadt, original_fadt,
-                    sizeof(struct fadt_descriptor_rev1));
-
-        /* Convert table pointers to 64-bit fields */
-
-        ACPI_STORE_ADDRESS(local_fadt->xfirmware_ctrl,
-                           local_fadt->V1_firmware_ctrl);
-        ACPI_STORE_ADDRESS(local_fadt->Xdsdt, local_fadt->V1_dsdt);
-
-        /*
-         * System Interrupt Model isn't used in ACPI 2.0
-         * (local_fadt->Reserved1 = 0;)
-         */
-
-        /*
-         * This field is set by the OEM to convey the preferred power management
-         * profile to OSPM. It doesn't have any 1.0 equivalence.  Since we don't
-         * know what kind of 32-bit system this is, we will use "unspecified".
-         */
-        local_fadt->prefer_PM_profile = PM_UNSPECIFIED;
-
-        /*
-         * Processor Performance State Control. This is the value OSPM writes to
-         * the SMI_CMD register to assume processor performance state control
-         * responsibility. There isn't any equivalence in 1.0, but as many 1.x
-         * ACPI tables contain _PCT and _PSS we also keep this value, unless
-         * acpi_strict is set.
-         */
-        if (acpi_strict)
-                local_fadt->pstate_cnt = 0;
-
-        /*
-         * Support for the _CST object and C States change notification.
-         * This data item hasn't any 1.0 equivalence so leave it zero.
-         */
-        local_fadt->cst_cnt = 0;
-
-        /*
-         * FADT Rev 2 was an interim FADT released between ACPI 1.0 and ACPI 2.0.
-         * It primarily adds the FADT reset mechanism.
-         */
-        if ((original_fadt->revision == 2) &&
-            (original_fadt->length ==
-             sizeof(struct fadt_descriptor_rev2_minus))) {
-                /*
-                 * Grab the entire generic address struct, plus the 1-byte reset value
-                 * that immediately follows.
-                 */
-                ACPI_MEMCPY(&local_fadt->reset_register,
-                            &(ACPI_CAST_PTR(struct fadt_descriptor_rev2_minus,
-                                            original_fadt))->reset_register,
-                            sizeof(struct acpi_generic_address) + 1);
-        } else {
-                /*
-                 * Since there isn't any equivalence in 1.0 and since it is highly
-                 * likely that a 1.0 system has legacy support.
-                 */
-                local_fadt->iapc_boot_arch = BAF_LEGACY_DEVICES;
-        }
-
-        /*
-         * Convert the V1.0 block addresses to V2.0 GAS structures
-         */
-        acpi_tb_init_generic_address(&local_fadt->xpm1a_evt_blk,
-                                     local_fadt->pm1_evt_len,
-                                     (acpi_physical_address) local_fadt->
-                                     V1_pm1a_evt_blk);
-        acpi_tb_init_generic_address(&local_fadt->xpm1b_evt_blk,
-                                     local_fadt->pm1_evt_len,
-                                     (acpi_physical_address) local_fadt->
-                                     V1_pm1b_evt_blk);
-        acpi_tb_init_generic_address(&local_fadt->xpm1a_cnt_blk,
-                                     local_fadt->pm1_cnt_len,
-                                     (acpi_physical_address) local_fadt->
-                                     V1_pm1a_cnt_blk);
-        acpi_tb_init_generic_address(&local_fadt->xpm1b_cnt_blk,
-                                     local_fadt->pm1_cnt_len,
-                                     (acpi_physical_address) local_fadt->
-                                     V1_pm1b_cnt_blk);
-        acpi_tb_init_generic_address(&local_fadt->xpm2_cnt_blk,
-                                     local_fadt->pm2_cnt_len,
-                                     (acpi_physical_address) local_fadt->
-                                     V1_pm2_cnt_blk);
-        acpi_tb_init_generic_address(&local_fadt->xpm_tmr_blk,
-                                     local_fadt->pm_tm_len,
-                                     (acpi_physical_address) local_fadt->
-                                     V1_pm_tmr_blk);
-        acpi_tb_init_generic_address(&local_fadt->xgpe0_blk, 0,
-                                     (acpi_physical_address) local_fadt->
-                                     V1_gpe0_blk);
-        acpi_tb_init_generic_address(&local_fadt->xgpe1_blk, 0,
-                                     (acpi_physical_address) local_fadt->
-                                     V1_gpe1_blk);
-
-        /* Create separate GAS structs for the PM1 Enable registers */
-
-        acpi_tb_init_generic_address(&acpi_gbl_xpm1a_enable,
-                                     (u8) ACPI_DIV_2(acpi_gbl_FADT->
-                                                     pm1_evt_len),
-                                     (acpi_physical_address)
-                                     (local_fadt->xpm1a_evt_blk.address +
-                                      ACPI_DIV_2(acpi_gbl_FADT->pm1_evt_len)));
-
-        /* PM1B is optional; leave null if not present */
-
-        if (local_fadt->xpm1b_evt_blk.address) {
-                acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
-                                             (u8) ACPI_DIV_2(acpi_gbl_FADT->
-                                                             pm1_evt_len),
-                                             (acpi_physical_address)
-                                             (local_fadt->xpm1b_evt_blk.
-                                              address +
-                                              ACPI_DIV_2(acpi_gbl_FADT->
-                                                         pm1_evt_len)));
-        }
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_convert_fadt2
- *
- * PARAMETERS:  local_fadt      - Pointer to new FADT
- *              original_fadt   - Pointer to old FADT
- *
- * RETURN:      None, populates local_fadt
- *
- * DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format.
- *              Handles optional "X" fields.
- *
- ******************************************************************************/
-
-static void
-acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
-                      struct fadt_descriptor *original_fadt)
-{
-
-        /* We have an ACPI 2.0 FADT but we must copy it to our local buffer */
-
-        ACPI_MEMCPY(local_fadt, original_fadt, sizeof(struct fadt_descriptor));
-
-        /*
-         * "X" fields are optional extensions to the original V1.0 fields, so
-         * we must selectively expand V1.0 fields if the corresponding X field
-         * is zero.
-         */
-        if (!(local_fadt->xfirmware_ctrl)) {
-                ACPI_STORE_ADDRESS(local_fadt->xfirmware_ctrl,
-                                   local_fadt->V1_firmware_ctrl);
-        }
-
-        if (!(local_fadt->Xdsdt)) {
-                ACPI_STORE_ADDRESS(local_fadt->Xdsdt, local_fadt->V1_dsdt);
-        }
-
-        if (!(local_fadt->xpm1a_evt_blk.address)) {
-                acpi_tb_init_generic_address(&local_fadt->xpm1a_evt_blk,
-                                             local_fadt->pm1_evt_len,
-                                             (acpi_physical_address)
-                                             local_fadt->V1_pm1a_evt_blk);
-        }
-
-        if (!(local_fadt->xpm1b_evt_blk.address)) {
-                acpi_tb_init_generic_address(&local_fadt->xpm1b_evt_blk,
-                                             local_fadt->pm1_evt_len,
-                                             (acpi_physical_address)
-                                             local_fadt->V1_pm1b_evt_blk);
-        }
-
-        if (!(local_fadt->xpm1a_cnt_blk.address)) {
-                acpi_tb_init_generic_address(&local_fadt->xpm1a_cnt_blk,
-                                             local_fadt->pm1_cnt_len,
-                                             (acpi_physical_address)
-                                             local_fadt->V1_pm1a_cnt_blk);
-        }
-
-        if (!(local_fadt->xpm1b_cnt_blk.address)) {
-                acpi_tb_init_generic_address(&local_fadt->xpm1b_cnt_blk,
-                                             local_fadt->pm1_cnt_len,
-                                             (acpi_physical_address)
-                                             local_fadt->V1_pm1b_cnt_blk);
-        }
-
-        if (!(local_fadt->xpm2_cnt_blk.address)) {
-                acpi_tb_init_generic_address(&local_fadt->xpm2_cnt_blk,
-                                             local_fadt->pm2_cnt_len,
-                                             (acpi_physical_address)
-                                             local_fadt->V1_pm2_cnt_blk);
-        }
-
-        if (!(local_fadt->xpm_tmr_blk.address)) {
-                acpi_tb_init_generic_address(&local_fadt->xpm_tmr_blk,
-                                             local_fadt->pm_tm_len,
-                                             (acpi_physical_address)
-                                             local_fadt->V1_pm_tmr_blk);
-        }
-
-        if (!(local_fadt->xgpe0_blk.address)) {
-                acpi_tb_init_generic_address(&local_fadt->xgpe0_blk,
-                                             0,
-                                             (acpi_physical_address)
-                                             local_fadt->V1_gpe0_blk);
-        }
-
-        if (!(local_fadt->xgpe1_blk.address)) {
-                acpi_tb_init_generic_address(&local_fadt->xgpe1_blk,
-                                             0,
-                                             (acpi_physical_address)
-                                             local_fadt->V1_gpe1_blk);
-        }
-
-        /* Create separate GAS structs for the PM1 Enable registers */
-
-        acpi_tb_init_generic_address(&acpi_gbl_xpm1a_enable,
-                                     (u8) ACPI_DIV_2(acpi_gbl_FADT->
-                                                     pm1_evt_len),
-                                     (acpi_physical_address)
-                                     (local_fadt->xpm1a_evt_blk.address +
-                                      ACPI_DIV_2(acpi_gbl_FADT->pm1_evt_len)));
-
-        acpi_gbl_xpm1a_enable.address_space_id =
-            local_fadt->xpm1a_evt_blk.address_space_id;
-
-        /* PM1B is optional; leave null if not present */
-
-        if (local_fadt->xpm1b_evt_blk.address) {
-                acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
-                                             (u8) ACPI_DIV_2(acpi_gbl_FADT->
-                                                             pm1_evt_len),
-                                             (acpi_physical_address)
-                                             (local_fadt->xpm1b_evt_blk.
-                                              address +
-                                              ACPI_DIV_2(acpi_gbl_FADT->
-                                                         pm1_evt_len)));
-
-                acpi_gbl_xpm1b_enable.address_space_id =
-                    local_fadt->xpm1b_evt_blk.address_space_id;
-        }
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_convert_table_fadt
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Converts a BIOS supplied ACPI 1.0 FADT to a local
- *              ACPI 2.0 FADT. If the BIOS supplied a 2.0 FADT then it is simply
- *              copied to the local FADT.  The ACPI CA software uses this
- *              local FADT. Thus a significant amount of special #ifdef
- *              type codeing is saved.
- *
- ******************************************************************************/
-
-acpi_status acpi_tb_convert_table_fadt(void)
-{
-        struct fadt_descriptor *local_fadt;
-        struct acpi_table_desc *table_desc;
-
-        ACPI_FUNCTION_TRACE(tb_convert_table_fadt);
-
-        /*
-         * acpi_gbl_FADT is valid. Validate the FADT length. The table must be
-         * at least as long as the version 1.0 FADT
-         */
-        if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor_rev1)) {
-                ACPI_ERROR((AE_INFO, "FADT is invalid, too short: 0x%X",
-                            acpi_gbl_FADT->length));
-                return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
-        }
-
-        /* Allocate buffer for the ACPI 2.0(+) FADT */
-
-        local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor));
-        if (!local_fadt) {
-                return_ACPI_STATUS(AE_NO_MEMORY);
-        }
-
-        if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) {
-                if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor)) {
-
-                        /* Length is too short to be a V2.0 table */
-
-                        ACPI_WARNING((AE_INFO,
-                                      "Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table",
-                                      acpi_gbl_FADT->length,
-                                      acpi_gbl_FADT->revision));
-
-                        acpi_tb_convert_fadt1(local_fadt,
-                                              (void *)acpi_gbl_FADT);
-                } else {
-                        /* Valid V2.0 table */
-
-                        acpi_tb_convert_fadt2(local_fadt, acpi_gbl_FADT);
-                }
-        } else {
-                /* Valid V1.0 table */
-
-                acpi_tb_convert_fadt1(local_fadt, (void *)acpi_gbl_FADT);
-        }
-
-        /* Global FADT pointer will point to the new common V2.0 FADT */
-
-        acpi_gbl_FADT = local_fadt;
-        acpi_gbl_FADT->length = sizeof(struct fadt_descriptor);
-
-        /* Free the original table */
-
-        table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_FADT].next;
-        acpi_tb_delete_single_table(table_desc);
-
-        /* Install the new table */
-
-        table_desc->pointer =
-            ACPI_CAST_PTR(struct acpi_table_header, acpi_gbl_FADT);
-        table_desc->allocation = ACPI_MEM_ALLOCATED;
-        table_desc->length = sizeof(struct fadt_descriptor);
-
-        /* Dump the entire FADT */
-
-        ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
-                          "Hex dump of common internal FADT, size %d (%X)\n",
-                          acpi_gbl_FADT->length, acpi_gbl_FADT->length));
-
-        ACPI_DUMP_BUFFER(ACPI_CAST_PTR(u8, acpi_gbl_FADT),
-                         acpi_gbl_FADT->length);
-
-        return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_build_common_facs
- *
- * PARAMETERS:  table_info      - Info for currently installed FACS
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Convert ACPI 1.0 and ACPI 2.0 FACS to a common internal
- *              table format.
- *
- ******************************************************************************/
-
-acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info)
-{
-
-        ACPI_FUNCTION_TRACE(tb_build_common_facs);
-
-        /* Absolute minimum length is 24, but the ACPI spec says 64 */
-
-        if (acpi_gbl_FACS->length < 24) {
-                ACPI_ERROR((AE_INFO, "Invalid FACS table length: 0x%X",
-                            acpi_gbl_FACS->length));
-                return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
-        }
-
-        if (acpi_gbl_FACS->length < 64) {
-                ACPI_WARNING((AE_INFO,
-                              "FACS is shorter than the ACPI specification allows: 0x%X, using anyway",
-                              acpi_gbl_FACS->length));
-        }
-
-        /* Copy fields to the new FACS */
-
-        acpi_gbl_common_fACS.global_lock = &(acpi_gbl_FACS->global_lock);
-
-        if ((acpi_gbl_RSDP->revision < 2) ||
-            (acpi_gbl_FACS->length < 32) ||
-            (!(acpi_gbl_FACS->xfirmware_waking_vector))) {
-
-                /* ACPI 1.0 FACS or short table or optional X_ field is zero */
-
-                acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR(u64,
-                                                                            &
-                                                                            (acpi_gbl_FACS->
-                                                                             firmware_waking_vector));
-                acpi_gbl_common_fACS.vector_width = 32;
-        } else {
-                /* ACPI 2.0 FACS with valid X_ field */
-
-                acpi_gbl_common_fACS.firmware_waking_vector =
-                    &acpi_gbl_FACS->xfirmware_waking_vector;
-                acpi_gbl_common_fACS.vector_width = 64;
-        }
-
-        return_ACPI_STATUS(AE_OK);
-}
diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c
new file mode 100644
index 000000000000..807c7116e94b
--- /dev/null
+++ b/drivers/acpi/tables/tbfadt.c
@@ -0,0 +1,434 @@
+/******************************************************************************
+ *
+ * Module Name: tbfadt   - FADT table utilities
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2007, R. Byron Moore
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include <acpi/actables.h>
+
+#define _COMPONENT          ACPI_TABLES
+ACPI_MODULE_NAME("tbfadt")
+
+/* Local prototypes */
+static void inline
+acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
+                             u8 bit_width, u64 address);
+
+static void acpi_tb_convert_fadt(void);
+
+static void acpi_tb_validate_fadt(void);
+
+/* Table for conversion of FADT to common internal format and FADT validation */
+
+typedef struct acpi_fadt_info {
+        char *name;
+        u8 target;
+        u8 source;
+        u8 length;
+        u8 type;
+
+} acpi_fadt_info;
+
+#define ACPI_FADT_REQUIRED          1
+#define ACPI_FADT_SEPARATE_LENGTH   2
+
+static struct acpi_fadt_info fadt_info_table[] = {
+        {"Pm1aEventBlock", ACPI_FADT_OFFSET(xpm1a_event_block),
+         ACPI_FADT_OFFSET(pm1a_event_block),
+         ACPI_FADT_OFFSET(pm1_event_length), ACPI_FADT_REQUIRED},
+
+        {"Pm1bEventBlock", ACPI_FADT_OFFSET(xpm1b_event_block),
+         ACPI_FADT_OFFSET(pm1b_event_block),
+         ACPI_FADT_OFFSET(pm1_event_length), 0},
+
+        {"Pm1aControlBlock", ACPI_FADT_OFFSET(xpm1a_control_block),
+         ACPI_FADT_OFFSET(pm1a_control_block),
+         ACPI_FADT_OFFSET(pm1_control_length), ACPI_FADT_REQUIRED},
+
+        {"Pm1bControlBlock", ACPI_FADT_OFFSET(xpm1b_control_block),
+         ACPI_FADT_OFFSET(pm1b_control_block),
+         ACPI_FADT_OFFSET(pm1_control_length), 0},
+
+        {"Pm2ControlBlock", ACPI_FADT_OFFSET(xpm2_control_block),
+         ACPI_FADT_OFFSET(pm2_control_block),
+         ACPI_FADT_OFFSET(pm2_control_length), ACPI_FADT_SEPARATE_LENGTH},
+
+        {"PmTimerBlock", ACPI_FADT_OFFSET(xpm_timer_block),
+         ACPI_FADT_OFFSET(pm_timer_block),
+         ACPI_FADT_OFFSET(pm_timer_length), ACPI_FADT_REQUIRED},
+
+        {"Gpe0Block", ACPI_FADT_OFFSET(xgpe0_block),
+         ACPI_FADT_OFFSET(gpe0_block),
+         ACPI_FADT_OFFSET(gpe0_block_length), ACPI_FADT_SEPARATE_LENGTH},
+
+        {"Gpe1Block", ACPI_FADT_OFFSET(xgpe1_block),
+         ACPI_FADT_OFFSET(gpe1_block),
+         ACPI_FADT_OFFSET(gpe1_block_length), ACPI_FADT_SEPARATE_LENGTH}
+};
+
+#define ACPI_FADT_INFO_ENTRIES        (sizeof (fadt_info_table) / sizeof (struct acpi_fadt_info))
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_init_generic_address
+ *
+ * PARAMETERS:  generic_address     - GAS struct to be initialized
+ *              bit_width           - Width of this register
+ *              Address             - Address of the register
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Initialize a Generic Address Structure (GAS)
+ *              See the ACPI specification for a full description and
+ *              definition of this structure.
+ *
+ ******************************************************************************/
+
+static void inline
+acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
+                             u8 bit_width, u64 address)
+{
+
+        /*
+         * The 64-bit Address field is non-aligned in the byte packed
+         * GAS struct.
+         */
+        ACPI_MOVE_64_TO_64(&generic_address->address, &address);
+
+        /* All other fields are byte-wide */
+
+        generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO;
+        generic_address->bit_width = bit_width;
+        generic_address->bit_offset = 0;
+        generic_address->access_width = 0;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_parse_fadt
+ *
+ * PARAMETERS:  table_index         - Index for the FADT
+ *              Flags               - Flags
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Initialize the FADT, DSDT and FACS tables
+ *              (FADT contains the addresses of the DSDT and FACS)
+ *
+ ******************************************************************************/
+
+void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags)
+{
+        u32 length;
+        struct acpi_table_header *table;
+
+        /*
+         * The FADT has multiple versions with different lengths,
+         * and it contains pointers to both the DSDT and FACS tables.
+         *
+         * Get a local copy of the FADT and convert it to a common format
+         * Map entire FADT, assumed to be smaller than one page.
+         */
+        length = acpi_gbl_root_table_list.tables[table_index].length;
+
+        table =
+            acpi_os_map_memory(acpi_gbl_root_table_list.tables[table_index].
+                               address, length);
+        if (!table) {
+                return;
+        }
+
+        /*
+         * Validate the FADT checksum before we copy the table. Ignore
+         * checksum error as we want to try to get the DSDT and FACS.
+         */
+        (void)acpi_tb_verify_checksum(table, length);
+
+        /* Obtain a local copy of the FADT in common ACPI 2.0+ format */
+
+        acpi_tb_create_local_fadt(table, length);
+
+        /* All done with the real FADT, unmap it */
+
+        acpi_os_unmap_memory(table, length);
+
+        /* Obtain the DSDT and FACS tables via their addresses within the FADT */
+
+        acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt,
+                              flags, ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
+
+        acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xfacs,
+                              flags, ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_create_local_fadt
+ *
+ * PARAMETERS:  Table               - Pointer to BIOS FADT
+ *              Length              - Length of the table
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Get a local copy of the FADT and convert it to a common format.
+ *              Performs validation on some important FADT fields.
+ *
+ ******************************************************************************/
+
+void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length)
+{
+
+        /*
+         * Check if the FADT is larger than what we know about (ACPI 2.0 version).
+         * Truncate the table, but make some noise.
+         */
+        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",
+                              table->revision, (unsigned)length,
+                              sizeof(struct acpi_table_fadt)));
+        }
+
+        /* Copy the entire FADT locally. Zero first for tb_convert_fadt */
+
+        ACPI_MEMSET(&acpi_gbl_FADT, 0, sizeof(struct acpi_table_fadt));
+
+        ACPI_MEMCPY(&acpi_gbl_FADT, table,
+                    ACPI_MIN(length, sizeof(struct acpi_table_fadt)));
+
+        /*
+         * 1) Convert the local copy of the FADT to the common internal format
+         * 2) Validate some of the important values within the FADT
+         */
+        acpi_tb_convert_fadt();
+        acpi_tb_validate_fadt();
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_convert_fadt
+ *
+ * PARAMETERS:  None, uses acpi_gbl_FADT
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Converts all versions of the FADT to a common internal format.
+ *              -> Expand all 32-bit addresses to 64-bit.
+ *
+ * NOTE:        acpi_gbl_FADT must be of size (struct acpi_table_fadt),
+ *              and must contain a copy of the actual FADT.
+ *
+ * ACPICA will use the "X" fields of the FADT for all addresses.
+ *
+ * "X" fields are optional extensions to the original V1.0 fields. Even if
+ * they are present in the structure, they can be optionally not used by
+ * setting them to zero. Therefore, we must selectively expand V1.0 fields
+ * if the corresponding X field is zero.
+ *
+ * For ACPI 1.0 FADTs, all address fields are expanded to the corresponding
+ * "X" fields.
+ *
+ * For ACPI 2.0 FADTs, any "X" fields that are NULL are filled in by
+ * expanding the corresponding ACPI 1.0 field.
+ *
+ ******************************************************************************/
+
+static void acpi_tb_convert_fadt(void)
+{
+        u8 pm1_register_length;
+        struct acpi_generic_address *target;
+        acpi_native_uint 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 */
+
+        if (!acpi_gbl_FADT.Xfacs) {
+                acpi_gbl_FADT.Xfacs = (u64) acpi_gbl_FADT.facs;
+        }
+
+        if (!acpi_gbl_FADT.Xdsdt) {
+                acpi_gbl_FADT.Xdsdt = (u64) acpi_gbl_FADT.dsdt;
+        }
+
+        /*
+         * Expand the 32-bit V1.0 addresses to the 64-bit "X" generic address
+         * structures as necessary.
+         */
+        for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) {
+                target =
+                    ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT,
+                                 fadt_info_table[i].target);
+
+                /* Expand only if the X target is null */
+
+                if (!target->address) {
+                        acpi_tb_init_generic_address(target,
+                                                     *ACPI_ADD_PTR(u8,
+                                                                   &acpi_gbl_FADT,
+                                                                   fadt_info_table
+                                                                   [i].length),
+                                                     (u64) * ACPI_ADD_PTR(u32,
+                                                                          &acpi_gbl_FADT,
+                                                                          fadt_info_table
+                                                                          [i].
+                                                                          source));
+                }
+        }
+
+        /*
+         * Calculate separate GAS structs for the PM1 Enable registers.
+         * These addresses do not appear (directly) in the FADT, so it is
+         * useful to calculate them once, here.
+         *
+         * The PM event blocks are split into two register blocks, first is the
+         * PM Status Register block, followed immediately by the PM Enable Register
+         * block. Each is of length (pm1_event_length/2)
+         */
+        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.address +
+                                      pm1_register_length));
+        /* Don't forget to copy space_id of the GAS */
+        acpi_gbl_xpm1a_enable.space_id = acpi_gbl_FADT.xpm1a_event_block.space_id;
+
+        /* The PM1B register block is optional, ignore if not present */
+
+        if (acpi_gbl_FADT.xpm1b_event_block.address) {
+                acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
+                                             pm1_register_length,
+                                             (acpi_gbl_FADT.xpm1b_event_block.
+                                              address + pm1_register_length));
+                /* Don't forget to copy space_id of the GAS */
+                acpi_gbl_xpm1b_enable.space_id = acpi_gbl_FADT.xpm1a_event_block.space_id;
+
+        }
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_validate_fadt
+ *
+ * PARAMETERS:  Table           - Pointer to the FADT to be validated
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Validate various important fields within the FADT. If a problem
+ *              is found, issue a message, but no status is returned.
+ *              Used by both the table manager and the disassembler.
+ *
+ * Possible additional checks:
+ * (acpi_gbl_FADT.pm1_event_length >= 4)
+ * (acpi_gbl_FADT.pm1_control_length >= 2)
+ * (acpi_gbl_FADT.pm_timer_length >= 4)
+ * Gpe block lengths must be multiple of 2
+ *
+ ******************************************************************************/
+
+static void acpi_tb_validate_fadt(void)
+{
+        u32 *address32;
+        struct acpi_generic_address *address64;
+        u8 length;
+        acpi_native_uint i;
+
+        /* 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);
+                address32 =
+                    ACPI_ADD_PTR(u32, &acpi_gbl_FADT,
+                                 fadt_info_table[i].source);
+                length =
+                    *ACPI_ADD_PTR(u8, &acpi_gbl_FADT,
+                                  fadt_info_table[i].length);
+
+                if (fadt_info_table[i].type & ACPI_FADT_REQUIRED) {
+                        /*
+                         * Field is required (Pm1a_event, Pm1a_control, pm_timer).
+                         * Both the address and length must be non-zero.
+                         */
+                        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,
+                                            ACPI_FORMAT_UINT64(address64->
+                                                               address),
+                                            length));
+                        }
+                } else if (fadt_info_table[i].type & ACPI_FADT_SEPARATE_LENGTH) {
+                        /*
+                         * Field is optional (PM2Control, GPE0, GPE1) AND has its own
+                         * length field. If present, both the address and length must be valid.
+                         */
+                        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,
+                                              ACPI_FORMAT_UINT64(address64->
+                                                                 address),
+                                              length));
+                        }
+                }
+
+                /* If both 32- and 64-bit addresses are valid (non-zero), they must match */
+
+                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,
+                                    ACPI_FORMAT_UINT64(address64->address)));
+                }
+        }
+}
diff --git a/drivers/acpi/tables/tbfind.c b/drivers/acpi/tables/tbfind.c
new file mode 100644
index 000000000000..058c064948e1
--- /dev/null
+++ b/drivers/acpi/tables/tbfind.c
@@ -0,0 +1,126 @@
+/******************************************************************************
+ *
+ * Module Name: tbfind   - find table
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2007, R. Byron Moore
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include <acpi/actables.h>
+
+#define _COMPONENT          ACPI_TABLES
+ACPI_MODULE_NAME("tbfind")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_find_table
+ *
+ * PARAMETERS:  Signature           - String with ACPI table signature
+ *              oem_id              - String with the table OEM ID
+ *              oem_table_id        - String with the OEM Table ID
+ *              table_index         - Where the table index is returned
+ *
+ * RETURN:      Status and table index
+ *
+ * DESCRIPTION: Find an ACPI table (in the RSDT/XSDT) that matches the
+ *              Signature, OEM ID and OEM Table ID. Returns an index that can
+ *              be used to get the table header or entire table.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_tb_find_table(char *signature,
+                   char *oem_id,
+                   char *oem_table_id, acpi_native_uint * table_index)
+{
+        acpi_native_uint i;
+        acpi_status status;
+
+        ACPI_FUNCTION_TRACE(tb_find_table);
+
+        for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
+                if (ACPI_MEMCMP(&(acpi_gbl_root_table_list.tables[i].signature),
+                                signature, ACPI_NAME_SIZE)) {
+
+                        /* Not the requested table */
+
+                        continue;
+                }
+
+                /* Table with matching signature has been found */
+
+                if (!acpi_gbl_root_table_list.tables[i].pointer) {
+
+                        /* Table is not currently mapped, map it */
+
+                        status =
+                            acpi_tb_verify_table(&acpi_gbl_root_table_list.
+                                                 tables[i]);
+                        if (ACPI_FAILURE(status)) {
+                                return_ACPI_STATUS(status);
+                        }
+
+                        if (!acpi_gbl_root_table_list.tables[i].pointer) {
+                                continue;
+                        }
+                }
+
+                /* Check for table match on all IDs */
+
+                if (!ACPI_MEMCMP
+                    (acpi_gbl_root_table_list.tables[i].pointer->signature,
+                     signature, ACPI_NAME_SIZE) && (!oem_id[0]
+                                                    ||
+                                                    !ACPI_MEMCMP
+                                                    (acpi_gbl_root_table_list.
+                                                     tables[i].pointer->oem_id,
+                                                     oem_id, ACPI_OEM_ID_SIZE))
+                    && (!oem_table_id[0]
+                        || !ACPI_MEMCMP(acpi_gbl_root_table_list.tables[i].
+                                        pointer->oem_table_id, oem_table_id,
+                                        ACPI_OEM_TABLE_ID_SIZE))) {
+                        *table_index = i;
+
+                        ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
+                                          "Found table [%4.4s]\n", signature));
+                        return_ACPI_STATUS(AE_OK);
+                }
+        }
+
+        return_ACPI_STATUS(AE_NOT_FOUND);
+}
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c
deleted file mode 100644
index 11e2d4454e05..000000000000
--- a/drivers/acpi/tables/tbget.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/******************************************************************************
- *
- * Module Name: tbget - ACPI Table get* routines
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT          ACPI_TABLES
-ACPI_MODULE_NAME("tbget")
-
-/* Local prototypes */
-static acpi_status
-acpi_tb_get_this_table(struct acpi_pointer *address,
-                       struct acpi_table_header *header,
-                       struct acpi_table_desc *table_info);
-
-static acpi_status
-acpi_tb_table_override(struct acpi_table_header *header,
-                       struct acpi_table_desc *table_info);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_table
- *
- * PARAMETERS:  Address             - Address of table to retrieve.  Can be
- *                                    Logical or Physical
- *              table_info          - Where table info is returned
- *
- * RETURN:      None
- *
- * DESCRIPTION: Get entire table of unknown size.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_get_table(struct acpi_pointer *address,
-                  struct acpi_table_desc *table_info)
-{
-        acpi_status status;
-        struct acpi_table_header header;
-
-        ACPI_FUNCTION_TRACE(tb_get_table);
-
-        /* Get the header in order to get signature and table size */
-
-        status = acpi_tb_get_table_header(address, &header);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Get the entire table */
-
-        status = acpi_tb_get_table_body(address, &header, table_info);
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "Could not get ACPI table (size %X)",
-                                header.length));
-                return_ACPI_STATUS(status);
-        }
-
-        return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_table_header
- *
- * PARAMETERS:  Address             - Address of table to retrieve.  Can be
- *                                    Logical or Physical
- *              return_header       - Where the table header is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get an ACPI table header.  Works in both physical or virtual
- *              addressing mode.  Works with both physical or logical pointers.
- *              Table is either copied or mapped, depending on the pointer
- *              type and mode of the processor.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_get_table_header(struct acpi_pointer *address,
-                         struct acpi_table_header *return_header)
-{
-        acpi_status status = AE_OK;
-        struct acpi_table_header *header = NULL;
-
-        ACPI_FUNCTION_TRACE(tb_get_table_header);
-
-        /*
-         * Flags contains the current processor mode (Virtual or Physical
-         * addressing) The pointer_type is either Logical or Physical
-         */
-        switch (address->pointer_type) {
-        case ACPI_PHYSMODE_PHYSPTR:
-        case ACPI_LOGMODE_LOGPTR:
-
-                /* Pointer matches processor mode, copy the header */
-
-                ACPI_MEMCPY(return_header, address->pointer.logical,
-                            sizeof(struct acpi_table_header));
-                break;
-
-        case ACPI_LOGMODE_PHYSPTR:
-
-                /* Create a logical address for the physical pointer */
-
-                status = acpi_os_map_memory(address->pointer.physical,
-                                            sizeof(struct acpi_table_header),
-                                            (void *)&header);
-                if (ACPI_FAILURE(status)) {
-                        ACPI_ERROR((AE_INFO,
-                                    "Could not map memory at %8.8X%8.8X for table header",
-                                    ACPI_FORMAT_UINT64(address->pointer.
-                                                       physical)));
-                        return_ACPI_STATUS(status);
-                }
-
-                /* Copy header and delete mapping */
-
-                ACPI_MEMCPY(return_header, header,
-                            sizeof(struct acpi_table_header));
-                acpi_os_unmap_memory(header, sizeof(struct acpi_table_header));
-                break;
-
-        default:
-
-                ACPI_ERROR((AE_INFO, "Invalid address flags %X",
-                            address->pointer_type));
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "Table Signature: [%4.4s]\n",
-                          return_header->signature));
-
-        return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_table_body
- *
- * PARAMETERS:  Address             - Address of table to retrieve.  Can be
- *                                    Logical or Physical
- *              Header              - Header of the table to retrieve
- *              table_info          - Where the table info is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get an entire ACPI table with support to allow the host OS to
- *              replace the table with a newer version (table override.)
- *              Works in both physical or virtual
- *              addressing mode.  Works with both physical or logical pointers.
- *              Table is either copied or mapped, depending on the pointer
- *              type and mode of the processor.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_get_table_body(struct acpi_pointer *address,
-                       struct acpi_table_header *header,
-                       struct acpi_table_desc *table_info)
-{
-        acpi_status status;
-
-        ACPI_FUNCTION_TRACE(tb_get_table_body);
-
-        if (!table_info || !address) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /* Attempt table override. */
-
-        status = acpi_tb_table_override(header, table_info);
-        if (ACPI_SUCCESS(status)) {
-
-                /* Table was overridden by the host OS */
-
-                return_ACPI_STATUS(status);
-        }
-
-        /* No override, get the original table */
-
-        status = acpi_tb_get_this_table(address, header, table_info);
-        return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_table_override
- *
- * PARAMETERS:  Header              - Pointer to table header
- *              table_info          - Return info if table is overridden
- *
- * RETURN:      None
- *
- * DESCRIPTION: Attempts override of current table with a new one if provided
- *              by the host OS.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_tb_table_override(struct acpi_table_header *header,
-                       struct acpi_table_desc *table_info)
-{
-        struct acpi_table_header *new_table;
-        acpi_status status;
-        struct acpi_pointer address;
-
-        ACPI_FUNCTION_TRACE(tb_table_override);
-
-        /*
-         * The OSL will examine the header and decide whether to override this
-         * table.  If it decides to override, a table will be returned in new_table,
-         * which we will then copy.
-         */
-        status = acpi_os_table_override(header, &new_table);
-        if (ACPI_FAILURE(status)) {
-
-                /* Some severe error from the OSL, but we basically ignore it */
-
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "Could not override ACPI table"));
-                return_ACPI_STATUS(status);
-        }
-
-        if (!new_table) {
-
-                /* No table override */
-
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
-        /*
-         * We have a new table to override the old one.  Get a copy of
-         * the new one.  We know that the new table has a logical pointer.
-         */
-        address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
-        address.pointer.logical = new_table;
-
-        status = acpi_tb_get_this_table(&address, new_table, table_info);
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status, "Could not copy ACPI table"));
-                return_ACPI_STATUS(status);
-        }
-
-        /* Copy the table info */
-
-        ACPI_INFO((AE_INFO, "Table [%4.4s] replaced by host OS",
-                   table_info->pointer->signature));
-
-        return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_this_table
- *
- * PARAMETERS:  Address             - Address of table to retrieve.  Can be
- *                                    Logical or Physical
- *              Header              - Header of the table to retrieve
- *              table_info          - Where the table info is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get an entire ACPI table.  Works in both physical or virtual
- *              addressing mode.  Works with both physical or logical pointers.
- *              Table is either copied or mapped, depending on the pointer
- *              type and mode of the processor.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_tb_get_this_table(struct acpi_pointer *address,
-                       struct acpi_table_header *header,
-                       struct acpi_table_desc *table_info)
-{
-        struct acpi_table_header *full_table = NULL;
-        u8 allocation;
-        acpi_status status = AE_OK;
-
-        ACPI_FUNCTION_TRACE(tb_get_this_table);
-
-        /* Validate minimum length */
-
-        if (header->length < sizeof(struct acpi_table_header)) {
-                ACPI_ERROR((AE_INFO,
-                            "Table length (%X) is smaller than minimum (%zX)",
-                            header->length, sizeof(struct acpi_table_header)));
-
-                return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
-        }
-
-        /*
-         * Flags contains the current processor mode (Virtual or Physical
-         * addressing) The pointer_type is either Logical or Physical
-         */
-        switch (address->pointer_type) {
-        case ACPI_PHYSMODE_PHYSPTR:
-        case ACPI_LOGMODE_LOGPTR:
-
-                /* Pointer matches processor mode, copy the table to a new buffer */
-
-                full_table = ACPI_ALLOCATE(header->length);
-                if (!full_table) {
-                        ACPI_ERROR((AE_INFO,
-                                    "Could not allocate table memory for [%4.4s] length %X",
-                                    header->signature, header->length));
-                        return_ACPI_STATUS(AE_NO_MEMORY);
-                }
-
-                /* Copy the entire table (including header) to the local buffer */
-
-                ACPI_MEMCPY(full_table, address->pointer.logical,
-                            header->length);
-
-                /* Save allocation type */
-
-                allocation = ACPI_MEM_ALLOCATED;
-                break;
-
-        case ACPI_LOGMODE_PHYSPTR:
-
-                /*
-                 * Just map the table's physical memory
-                 * into our address space.
-                 */
-                status = acpi_os_map_memory(address->pointer.physical,
-                                            (acpi_size) header->length,
-                                            ACPI_CAST_PTR(void, &full_table));
-                if (ACPI_FAILURE(status)) {
-                        ACPI_ERROR((AE_INFO,
-                                    "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X",
-                                    header->signature,
-                                    ACPI_FORMAT_UINT64(address->pointer.
-                                                       physical),
-                                    header->length));
-                        return (status);
-                }
-
-                /* Save allocation type */
-
-                allocation = ACPI_MEM_MAPPED;
-                break;
-
-        default:
-
-                ACPI_ERROR((AE_INFO, "Invalid address flags %X",
-                            address->pointer_type));
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /*
-         * Validate checksum for _most_ tables,
-         * even the ones whose signature we don't recognize
-         */
-        if (table_info->type != ACPI_TABLE_ID_FACS) {
-                status = acpi_tb_verify_table_checksum(full_table);
-
-#if (!ACPI_CHECKSUM_ABORT)
-                if (ACPI_FAILURE(status)) {
-
-                        /* Ignore the error if configuration says so */
-
-                        status = AE_OK;
-                }
-#endif
-        }
-
-        /* Return values */
-
-        table_info->pointer = full_table;
-        table_info->length = (acpi_size) header->length;
-        table_info->allocation = allocation;
-
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                          "Found table [%4.4s] at %8.8X%8.8X, mapped/copied to %p\n",
-                          full_table->signature,
-                          ACPI_FORMAT_UINT64(address->pointer.physical),
-                          full_table));
-
-        return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_table_ptr
- *
- * PARAMETERS:  table_type      - one of the defined table types
- *              Instance        - Which table of this type
- *              return_table    - pointer to location to place the pointer for
- *                                return
- *
- * RETURN:      Status
- *
- * DESCRIPTION: This function is called to get the pointer to an ACPI table.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_get_table_ptr(acpi_table_type table_type,
-                      u32 instance, struct acpi_table_header **return_table)
-{
-        struct acpi_table_desc *table_desc;
-        u32 i;
-
-        ACPI_FUNCTION_TRACE(tb_get_table_ptr);
-
-        if (table_type > ACPI_TABLE_ID_MAX) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /* Check for instance out of range of the current table count */
-
-        if (instance > acpi_gbl_table_lists[table_type].count) {
-                return_ACPI_STATUS(AE_NOT_EXIST);
-        }
-
-        /*
-         * Walk the list to get the desired table
-         * Note: Instance is one-based
-         */
-        table_desc = acpi_gbl_table_lists[table_type].next;
-        for (i = 1; i < instance; i++) {
-                table_desc = table_desc->next;
-        }
-
-        /* We are now pointing to the requested table's descriptor */
-
-        *return_table = table_desc->pointer;
-        return_ACPI_STATUS(AE_OK);
-}
diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c
deleted file mode 100644
index ad982112e4c6..000000000000
--- a/drivers/acpi/tables/tbgetall.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/******************************************************************************
- *
- * Module Name: tbgetall - Get all required ACPI tables
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT          ACPI_TABLES
-ACPI_MODULE_NAME("tbgetall")
-
-/* Local prototypes */
-static acpi_status
-acpi_tb_get_primary_table(struct acpi_pointer *address,
-                          struct acpi_table_desc *table_info);
-
-static acpi_status
-acpi_tb_get_secondary_table(struct acpi_pointer *address,
-                            acpi_string signature,
-                            struct acpi_table_desc *table_info);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_primary_table
- *
- * PARAMETERS:  Address             - Physical address of table to retrieve
- *              *table_info         - Where the table info is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Maps the physical address of table into a logical address
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_tb_get_primary_table(struct acpi_pointer *address,
-                          struct acpi_table_desc *table_info)
-{
-        acpi_status status;
-        struct acpi_table_header header;
-
-        ACPI_FUNCTION_TRACE(tb_get_primary_table);
-
-        /* Ignore a NULL address in the RSDT */
-
-        if (!address->pointer.value) {
-                return_ACPI_STATUS(AE_OK);
-        }
-
-        /* Get the header in order to get signature and table size */
-
-        status = acpi_tb_get_table_header(address, &header);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Clear the table_info */
-
-        ACPI_MEMSET(table_info, 0, sizeof(struct acpi_table_desc));
-
-        /*
-         * Check the table signature and make sure it is recognized.
-         * Also checks the header checksum
-         */
-        table_info->pointer = &header;
-        status = acpi_tb_recognize_table(table_info, ACPI_TABLE_PRIMARY);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Get the entire table */
-
-        status = acpi_tb_get_table_body(address, &header, table_info);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Install the table */
-
-        status = acpi_tb_install_table(table_info);
-        return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_secondary_table
- *
- * PARAMETERS:  Address             - Physical address of table to retrieve
- *              *table_info         - Where the table info is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Maps the physical address of table into a logical address
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_tb_get_secondary_table(struct acpi_pointer *address,
-                            acpi_string signature,
-                            struct acpi_table_desc *table_info)
-{
-        acpi_status status;
-        struct acpi_table_header header;
-
-        ACPI_FUNCTION_TRACE_STR(tb_get_secondary_table, signature);
-
-        /* Get the header in order to match the signature */
-
-        status = acpi_tb_get_table_header(address, &header);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Signature must match request */
-
-        if (!ACPI_COMPARE_NAME(header.signature, signature)) {
-                ACPI_ERROR((AE_INFO,
-                            "Incorrect table signature - wanted [%s] found [%4.4s]",
-                            signature, header.signature));
-                return_ACPI_STATUS(AE_BAD_SIGNATURE);
-        }
-
-        /*
-         * Check the table signature and make sure it is recognized.
-         * Also checks the header checksum
-         */
-        table_info->pointer = &header;
-        status = acpi_tb_recognize_table(table_info, ACPI_TABLE_SECONDARY);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Get the entire table */
-
-        status = acpi_tb_get_table_body(address, &header, table_info);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Install the table */
-
-        status = acpi_tb_install_table(table_info);
-        return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_required_tables
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Load and validate tables other than the RSDT.  The RSDT must
- *              already be loaded and validated.
- *
- *              Get the minimum set of ACPI tables, namely:
- *
- *              1) FADT (via RSDT in loop below)
- *              2) FACS (via FADT)
- *              3) DSDT (via FADT)
- *
- ******************************************************************************/
-
-acpi_status acpi_tb_get_required_tables(void)
-{
-        acpi_status status = AE_OK;
-        u32 i;
-        struct acpi_table_desc table_info;
-        struct acpi_pointer address;
-
-        ACPI_FUNCTION_TRACE(tb_get_required_tables);
-
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%d ACPI tables in RSDT\n",
-                          acpi_gbl_rsdt_table_count));
-
-        address.pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;
-
-        /*
-         * Loop through all table pointers found in RSDT.
-         * This will NOT include the FACS and DSDT - we must get
-         * them after the loop.
-         *
-         * The only tables we are interested in getting here is the FADT and
-         * any SSDTs.
-         */
-        for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
-
-                /* Get the table address from the common internal XSDT */
-
-                address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i];
-
-                /*
-                 * Get the tables needed by this subsystem (FADT and any SSDTs).
-                 * NOTE: All other tables are completely ignored at this time.
-                 */
-                status = acpi_tb_get_primary_table(&address, &table_info);
-                if ((status != AE_OK) && (status != AE_TABLE_NOT_SUPPORTED)) {
-                        ACPI_WARNING((AE_INFO,
-                                      "%s, while getting table at %8.8X%8.8X",
-                                      acpi_format_exception(status),
-                                      ACPI_FORMAT_UINT64(address.pointer.
-                                                         value)));
-                }
-        }
-
-        /* We must have a FADT to continue */
-
-        if (!acpi_gbl_FADT) {
-                ACPI_ERROR((AE_INFO, "No FADT present in RSDT/XSDT"));
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
-        /*
-         * Convert the FADT to a common format.  This allows earlier revisions of
-         * the table to coexist with newer versions, using common access code.
-         */
-        status = acpi_tb_convert_table_fadt();
-        if (ACPI_FAILURE(status)) {
-                ACPI_ERROR((AE_INFO,
-                            "Could not convert FADT to internal common format"));
-                return_ACPI_STATUS(status);
-        }
-
-        /* Get the FACS (Pointed to by the FADT) */
-
-        address.pointer.value = acpi_gbl_FADT->xfirmware_ctrl;
-
-        status = acpi_tb_get_secondary_table(&address, FACS_SIG, &table_info);
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "Could not get/install the FACS"));
-                return_ACPI_STATUS(status);
-        }
-
-        /*
-         * Create the common FACS pointer table
-         * (Contains pointers to the original table)
-         */
-        status = acpi_tb_build_common_facs(&table_info);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Get/install the DSDT (Pointed to by the FADT) */
-
-        address.pointer.value = acpi_gbl_FADT->Xdsdt;
-
-        status = acpi_tb_get_secondary_table(&address, DSDT_SIG, &table_info);
-        if (ACPI_FAILURE(status)) {
-                ACPI_ERROR((AE_INFO, "Could not get/install the DSDT"));
-                return_ACPI_STATUS(status);
-        }
-
-        /* Set Integer Width (32/64) based upon DSDT revision */
-
-        acpi_ut_set_integer_width(acpi_gbl_DSDT->revision);
-
-        /* Dump the entire DSDT */
-
-        ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
-                          "Hex dump of entire DSDT, size %d (0x%X), Integer width = %d\n",
-                          acpi_gbl_DSDT->length, acpi_gbl_DSDT->length,
-                          acpi_gbl_integer_bit_width));
-
-        ACPI_DUMP_BUFFER(ACPI_CAST_PTR(u8, acpi_gbl_DSDT),
-                         acpi_gbl_DSDT->length);
-
-        /* Always delete the RSDP mapping, we are done with it */
-
-        acpi_tb_delete_tables_by_type(ACPI_TABLE_ID_RSDP);
-        return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 1668a232fb67..0e7b121a99ce 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,510 +42,498 @@
  */
 
 #include <acpi/acpi.h>
+#include <acpi/acnamesp.h>
 #include <acpi/actables.h>
 
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbinstal")
 
-/* Local prototypes */
-static acpi_status
-acpi_tb_match_signature(char *signature,
-                        struct acpi_table_desc *table_info, u8 search_type);
-
-/*******************************************************************************
+/******************************************************************************
  *
- * FUNCTION:    acpi_tb_match_signature
+ * FUNCTION:    acpi_tb_verify_table
  *
- * PARAMETERS:  Signature           - Table signature to match
- *              table_info          - Return data
- *              search_type         - Table type to match (primary/secondary)
+ * PARAMETERS:  table_desc          - table
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Compare signature against the list of "ACPI-subsystem-owned"
- *              tables (DSDT/FADT/SSDT, etc.) Returns the table_type_iD on match.
+ * DESCRIPTION: this function is called to verify and map table
  *
- ******************************************************************************/
-
-static acpi_status
-acpi_tb_match_signature(char *signature,
-                        struct acpi_table_desc *table_info, u8 search_type)
+ *****************************************************************************/
+acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc)
 {
-        acpi_native_uint i;
+        acpi_status status = AE_OK;
 
-        ACPI_FUNCTION_TRACE(tb_match_signature);
+        ACPI_FUNCTION_TRACE(tb_verify_table);
 
-        /* Search for a signature match among the known table types */
+        /* Map the table if necessary */
 
-        for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
-                if (!(acpi_gbl_table_data[i].flags & search_type)) {
-                        continue;
+        if (!table_desc->pointer) {
+                if ((table_desc->flags & ACPI_TABLE_ORIGIN_MASK) ==
+                    ACPI_TABLE_ORIGIN_MAPPED) {
+                        table_desc->pointer =
+                            acpi_os_map_memory(table_desc->address,
+                                               table_desc->length);
                 }
+                if (!table_desc->pointer) {
+                        return_ACPI_STATUS(AE_NO_MEMORY);
+                }
+        }
 
-                if (!ACPI_STRNCMP(signature, acpi_gbl_table_data[i].signature,
-                                  acpi_gbl_table_data[i].sig_length)) {
-
-                        /* Found a signature match, return index if requested */
+        /* FACS is the odd table, has no standard ACPI header and no checksum */
 
-                        if (table_info) {
-                                table_info->type = (u8) i;
-                        }
+        if (!ACPI_COMPARE_NAME(&table_desc->signature, ACPI_SIG_FACS)) {
 
-                        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                          "Table [%4.4s] is an ACPI table consumed by the core subsystem\n",
-                                          (char *)acpi_gbl_table_data[i].
-                                          signature));
+                /* Always calculate checksum, ignore bad checksum if requested */
 
-                        return_ACPI_STATUS(AE_OK);
-                }
+                status =
+                    acpi_tb_verify_checksum(table_desc->pointer,
+                                            table_desc->length);
         }
 
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                          "Table [%4.4s] is not an ACPI table consumed by the core subsystem - ignored\n",
-                          (char *)signature));
-
-        return_ACPI_STATUS(AE_TABLE_NOT_SUPPORTED);
+        return_ACPI_STATUS(status);
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_install_table
+ * FUNCTION:    acpi_tb_add_table
  *
- * PARAMETERS:  table_info          - Return value from acpi_tb_get_table_body
+ * PARAMETERS:  table_desc          - Table descriptor
+ *              table_index         - Where the table index is returned
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Install the table into the global data structures.
+ * DESCRIPTION: This function is called to add the ACPI table
  *
  ******************************************************************************/
 
-acpi_status acpi_tb_install_table(struct acpi_table_desc *table_info)
+acpi_status
+acpi_tb_add_table(struct acpi_table_desc *table_desc,
+                  acpi_native_uint * table_index)
 {
-        acpi_status status;
-
-        ACPI_FUNCTION_TRACE(tb_install_table);
+        acpi_native_uint i;
+        acpi_native_uint length;
+        acpi_status status = AE_OK;
 
-        /* Lock tables while installing */
+        ACPI_FUNCTION_TRACE(tb_add_table);
 
-        status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "Could not acquire table mutex"));
-                return_ACPI_STATUS(status);
+        if (!table_desc->pointer) {
+                status = acpi_tb_verify_table(table_desc);
+                if (ACPI_FAILURE(status) || !table_desc->pointer) {
+                        return_ACPI_STATUS(status);
+                }
         }
 
-        /*
-         * Ignore a table that is already installed. For example, some BIOS
-         * ASL code will repeatedly attempt to load the same SSDT.
-         */
-        status = acpi_tb_is_table_installed(table_info);
-        if (ACPI_FAILURE(status)) {
-                goto unlock_and_exit;
+        /* The table must be either an SSDT or a PSDT */
+
+        if ((!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT))
+            &&
+            (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)))
+        {
+                ACPI_ERROR((AE_INFO,
+                            "Table has invalid signature [%4.4s], must be SSDT or PSDT",
+                            table_desc->pointer->signature));
+                return_ACPI_STATUS(AE_BAD_SIGNATURE);
         }
 
-        /* Install the table into the global data structure */
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+
+        /* Check if table is already registered */
+
+        for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
+                if (!acpi_gbl_root_table_list.tables[i].pointer) {
+                        status =
+                            acpi_tb_verify_table(&acpi_gbl_root_table_list.
+                                                 tables[i]);
+                        if (ACPI_FAILURE(status)
+                            || !acpi_gbl_root_table_list.tables[i].pointer) {
+                                continue;
+                        }
+                }
+
+                length = ACPI_MIN(table_desc->length,
+                                  acpi_gbl_root_table_list.tables[i].length);
+                if (ACPI_MEMCMP(table_desc->pointer,
+                                acpi_gbl_root_table_list.tables[i].pointer,
+                                length)) {
+                        continue;
+                }
+
+                /* Table is already registered */
+
+                acpi_tb_delete_table(table_desc);
+                *table_index = i;
+                goto release;
+        }
 
-        status = acpi_tb_init_table_descriptor(table_info->type, table_info);
+        /*
+         * Add the table to the global table list
+         */
+        status = acpi_tb_store_table(table_desc->address, table_desc->pointer,
+                                     table_desc->length, table_desc->flags,
+                                     table_index);
         if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "Could not install table [%4.4s]",
-                                table_info->pointer->signature));
+                goto release;
         }
 
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s located at %p\n",
-                          acpi_gbl_table_data[table_info->type].name,
-                          table_info->pointer));
+        acpi_tb_print_table_header(table_desc->address, table_desc->pointer);
 
-      unlock_and_exit:
+      release:
         (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
         return_ACPI_STATUS(status);
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_recognize_table
+ * FUNCTION:    acpi_tb_resize_root_table_list
  *
- * PARAMETERS:  table_info          - Return value from acpi_tb_get_table_body
- *              search_type         - Table type to match (primary/secondary)
+ * PARAMETERS:  None
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Check a table signature for a match against known table types
- *
- * NOTE:  All table pointers are validated as follows:
- *          1) Table pointer must point to valid physical memory
- *          2) Signature must be 4 ASCII chars, even if we don't recognize the
- *             name
- *          3) Table must be readable for length specified in the header
- *          4) Table checksum must be valid (with the exception of the FACS
- *             which has no checksum for some odd reason)
+ * DESCRIPTION: Expand the size of global table array
  *
  ******************************************************************************/
 
-acpi_status
-acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type)
+acpi_status acpi_tb_resize_root_table_list(void)
 {
-        struct acpi_table_header *table_header;
-        acpi_status status;
+        struct acpi_table_desc *tables;
 
-        ACPI_FUNCTION_TRACE(tb_recognize_table);
+        ACPI_FUNCTION_TRACE(tb_resize_root_table_list);
 
-        /* Ensure that we have a valid table pointer */
+        /* allow_resize flag is a parameter to acpi_initialize_tables */
 
-        table_header = (struct acpi_table_header *)table_info->pointer;
-        if (!table_header) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
+        if (!(acpi_gbl_root_table_list.flags & ACPI_ROOT_ALLOW_RESIZE)) {
+                ACPI_ERROR((AE_INFO,
+                            "Resize of Root Table Array is not allowed"));
+                return_ACPI_STATUS(AE_SUPPORT);
         }
 
-        /*
-         * We only "recognize" a limited number of ACPI tables -- namely, the
-         * ones that are used by the subsystem (DSDT, FADT, etc.)
-         *
-         * An AE_TABLE_NOT_SUPPORTED means that the table was not recognized.
-         * This can be any one of many valid ACPI tables, it just isn't one of
-         * the tables that is consumed by the core subsystem
-         */
-        status = acpi_tb_match_signature(table_header->signature,
-                                         table_info, search_type);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
+        /* Increase the Table Array size */
+
+        tables = ACPI_ALLOCATE_ZEROED((acpi_gbl_root_table_list.size +
+                                       ACPI_ROOT_TABLE_SIZE_INCREMENT)
+                                      * sizeof(struct acpi_table_desc));
+        if (!tables) {
+                ACPI_ERROR((AE_INFO,
+                            "Could not allocate new root table array"));
+                return_ACPI_STATUS(AE_NO_MEMORY);
         }
 
-        status = acpi_tb_validate_table_header(table_header);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
+        /* Copy and free the previous table array */
+
+        if (acpi_gbl_root_table_list.tables) {
+                ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables,
+                            acpi_gbl_root_table_list.size *
+                            sizeof(struct acpi_table_desc));
+
+                if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
+                        ACPI_FREE(acpi_gbl_root_table_list.tables);
+                }
         }
 
-        /* Return the table type and length via the info struct */
+        acpi_gbl_root_table_list.tables = tables;
+        acpi_gbl_root_table_list.size += ACPI_ROOT_TABLE_SIZE_INCREMENT;
+        acpi_gbl_root_table_list.flags |= (u8) ACPI_ROOT_ORIGIN_ALLOCATED;
 
-        table_info->length = (acpi_size) table_header->length;
-        return_ACPI_STATUS(status);
+        return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_init_table_descriptor
+ * FUNCTION:    acpi_tb_store_table
  *
- * PARAMETERS:  table_type          - The type of the table
- *              table_info          - A table info struct
+ * PARAMETERS:  Address             - Table address
+ *              Table               - Table header
+ *              Length              - Table length
+ *              Flags               - flags
  *
- * RETURN:      None.
+ * RETURN:      Status and table index.
  *
- * DESCRIPTION: Install a table into the global data structs.
+ * DESCRIPTION: Add an ACPI table to the global table list
  *
  ******************************************************************************/
 
 acpi_status
-acpi_tb_init_table_descriptor(acpi_table_type table_type,
-                              struct acpi_table_desc *table_info)
+acpi_tb_store_table(acpi_physical_address address,
+                    struct acpi_table_header *table,
+                    u32 length, u8 flags, acpi_native_uint * table_index)
 {
-        struct acpi_table_list *list_head;
-        struct acpi_table_desc *table_desc;
-        acpi_status status;
-
-        ACPI_FUNCTION_TRACE_U32(tb_init_table_descriptor, table_type);
+        acpi_status status = AE_OK;
 
-        /* Allocate a descriptor for this table */
+        /* Ensure that there is room for the table in the Root Table List */
 
-        table_desc = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc));
-        if (!table_desc) {
-                return_ACPI_STATUS(AE_NO_MEMORY);
+        if (acpi_gbl_root_table_list.count >= acpi_gbl_root_table_list.size) {
+                status = acpi_tb_resize_root_table_list();
+                if (ACPI_FAILURE(status)) {
+                        return (status);
+                }
         }
 
-        /* Get a new owner ID for the table */
+        /* Initialize added table */
+
+        acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
+            address = address;
+        acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
+            pointer = table;
+        acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].length =
+            length;
+        acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
+            owner_id = 0;
+        acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].flags =
+            flags;
+
+        ACPI_MOVE_32_TO_32(&
+                           (acpi_gbl_root_table_list.
+                            tables[acpi_gbl_root_table_list.count].signature),
+                           table->signature);
+
+        *table_index = acpi_gbl_root_table_list.count;
+        acpi_gbl_root_table_list.count++;
+        return (status);
+}
 
-        status = acpi_ut_allocate_owner_id(&table_desc->owner_id);
-        if (ACPI_FAILURE(status)) {
-                goto error_exit1;
-        }
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_delete_table
+ *
+ * PARAMETERS:  table_index         - Table index
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete one internal ACPI table
+ *
+ ******************************************************************************/
 
-        /* Install the table into the global data structure */
+void acpi_tb_delete_table(struct acpi_table_desc *table_desc)
+{
+        /* Table must be mapped or allocated */
+        if (!table_desc->pointer) {
+                return;
+        }
+        switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) {
+        case ACPI_TABLE_ORIGIN_MAPPED:
+                acpi_os_unmap_memory(table_desc->pointer, table_desc->length);
+                break;
+        case ACPI_TABLE_ORIGIN_ALLOCATED:
+                ACPI_FREE(table_desc->pointer);
+                break;
+        default:;
+        }
 
-        list_head = &acpi_gbl_table_lists[table_type];
+        table_desc->pointer = NULL;
+}
 
-        /*
-         * Two major types of tables:  1) Only one instance is allowed.  This
-         * includes most ACPI tables such as the DSDT.  2) Multiple instances of
-         * the table are allowed.  This includes SSDT and PSDTs.
-         */
-        if (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags)) {
-                /*
-                 * Only one table allowed, and a table has alread been installed
-                 * at this location, so return an error.
-                 */
-                if (list_head->next) {
-                        status = AE_ALREADY_EXISTS;
-                        goto error_exit2;
-                }
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_terminate
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete all internal ACPI tables
+ *
+ ******************************************************************************/
 
-                table_desc->next = list_head->next;
-                list_head->next = table_desc;
+void acpi_tb_terminate(void)
+{
+        acpi_native_uint i;
 
-                if (table_desc->next) {
-                        table_desc->next->prev = table_desc;
-                }
+        ACPI_FUNCTION_TRACE(tb_terminate);
 
-                list_head->count++;
-        } else {
-                /*
-                 * Link the new table in to the list of tables of this type.
-                 * Insert at the end of the list, order IS IMPORTANT.
-                 *
-                 * table_desc->Prev & Next are already NULL from calloc()
-                 */
-                list_head->count++;
-
-                if (!list_head->next) {
-                        list_head->next = table_desc;
-                } else {
-                        table_desc->next = list_head->next;
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
 
-                        while (table_desc->next->next) {
-                                table_desc->next = table_desc->next->next;
-                        }
+        /* Delete the individual tables */
 
-                        table_desc->next->next = table_desc;
-                        table_desc->prev = table_desc->next;
-                        table_desc->next = NULL;
-                }
+        for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
+                acpi_tb_delete_table(&acpi_gbl_root_table_list.tables[i]);
         }
 
-        /* Finish initialization of the table descriptor */
-
-        table_desc->loaded_into_namespace = FALSE;
-        table_desc->type = (u8) table_type;
-        table_desc->pointer = table_info->pointer;
-        table_desc->length = table_info->length;
-        table_desc->allocation = table_info->allocation;
-        table_desc->aml_start = (u8 *) (table_desc->pointer + 1),
-            table_desc->aml_length = (u32)
-            (table_desc->length - (u32) sizeof(struct acpi_table_header));
-
         /*
-         * Set the appropriate global pointer (if there is one) to point to the
-         * newly installed table
+         * Delete the root table array if allocated locally. Array cannot be
+         * mapped, so we don't need to check for that flag.
          */
-        if (acpi_gbl_table_data[table_type].global_ptr) {
-                *(acpi_gbl_table_data[table_type].global_ptr) =
-                    table_info->pointer;
+        if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
+                ACPI_FREE(acpi_gbl_root_table_list.tables);
         }
 
-        /* Return Data */
-
-        table_info->owner_id = table_desc->owner_id;
-        table_info->installed_desc = table_desc;
-        return_ACPI_STATUS(AE_OK);
-
-        /* Error exit with cleanup */
-
-      error_exit2:
-
-        acpi_ut_release_owner_id(&table_desc->owner_id);
+        acpi_gbl_root_table_list.tables = NULL;
+        acpi_gbl_root_table_list.flags = 0;
+        acpi_gbl_root_table_list.count = 0;
 
-      error_exit1:
-
-        ACPI_FREE(table_desc);
-        return_ACPI_STATUS(status);
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n"));
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_delete_all_tables
+ * FUNCTION:    acpi_tb_delete_namespace_by_owner
  *
- * PARAMETERS:  None.
+ * PARAMETERS:  table_index         - Table index
  *
- * RETURN:      None.
+ * RETURN:      None
  *
- * DESCRIPTION: Delete all internal ACPI tables
+ * DESCRIPTION: Delete all namespace objects created when this table was loaded.
  *
  ******************************************************************************/
 
-void acpi_tb_delete_all_tables(void)
+void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index)
 {
-        acpi_table_type type;
+        acpi_owner_id owner_id;
 
-        /*
-         * Free memory allocated for ACPI tables
-         * Memory can either be mapped or allocated
-         */
-        for (type = 0; type < (ACPI_TABLE_ID_MAX + 1); type++) {
-                acpi_tb_delete_tables_by_type(type);
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+        if (table_index < acpi_gbl_root_table_list.count) {
+                owner_id =
+                    acpi_gbl_root_table_list.tables[table_index].owner_id;
+        } else {
+                (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+                return;
         }
+
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+        acpi_ns_delete_namespace_by_owner(owner_id);
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_delete_tables_by_type
+ * FUNCTION:    acpi_tb_allocate_owner_id
  *
- * PARAMETERS:  Type                - The table type to be deleted
+ * PARAMETERS:  table_index         - Table index
  *
- * RETURN:      None.
+ * RETURN:      Status
  *
- * DESCRIPTION: Delete an internal ACPI table
- *              Locks the ACPI table mutex
+ * DESCRIPTION: Allocates owner_id in table_desc
  *
  ******************************************************************************/
 
-void acpi_tb_delete_tables_by_type(acpi_table_type type)
+acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index)
 {
-        struct acpi_table_desc *table_desc;
-        u32 count;
-        u32 i;
+        acpi_status status = AE_BAD_PARAMETER;
 
-        ACPI_FUNCTION_TRACE_U32(tb_delete_tables_by_type, type);
+        ACPI_FUNCTION_TRACE(tb_allocate_owner_id);
 
-        if (type > ACPI_TABLE_ID_MAX) {
-                return_VOID;
-        }
-
-        if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_TABLES))) {
-                return;
-        }
-
-        /* Clear the appropriate "typed" global table pointer */
-
-        switch (type) {
-        case ACPI_TABLE_ID_RSDP:
-                acpi_gbl_RSDP = NULL;
-                break;
-
-        case ACPI_TABLE_ID_DSDT:
-                acpi_gbl_DSDT = NULL;
-                break;
-
-        case ACPI_TABLE_ID_FADT:
-                acpi_gbl_FADT = NULL;
-                break;
-
-        case ACPI_TABLE_ID_FACS:
-                acpi_gbl_FACS = NULL;
-                break;
-
-        case ACPI_TABLE_ID_XSDT:
-                acpi_gbl_XSDT = NULL;
-                break;
-
-        case ACPI_TABLE_ID_SSDT:
-        case ACPI_TABLE_ID_PSDT:
-        default:
-                break;
-        }
-
-        /*
-         * Free the table
-         * 1) Get the head of the list
-         */
-        table_desc = acpi_gbl_table_lists[type].next;
-        count = acpi_gbl_table_lists[type].count;
-
-        /*
-         * 2) Walk the entire list, deleting both the allocated tables
-         *    and the table descriptors
-         */
-        for (i = 0; i < count; i++) {
-                table_desc = acpi_tb_uninstall_table(table_desc);
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+        if (table_index < acpi_gbl_root_table_list.count) {
+                status = acpi_ut_allocate_owner_id
+                    (&(acpi_gbl_root_table_list.tables[table_index].owner_id));
         }
 
         (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
-        return_VOID;
+        return_ACPI_STATUS(status);
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_delete_single_table
+ * FUNCTION:    acpi_tb_release_owner_id
  *
- * PARAMETERS:  table_info          - A table info struct
+ * PARAMETERS:  table_index         - Table index
  *
- * RETURN:      None.
+ * RETURN:      Status
  *
- * DESCRIPTION: Low-level free for a single ACPI table.  Handles cases where
- *              the table was allocated a buffer or was mapped.
+ * DESCRIPTION: Releases owner_id in table_desc
  *
  ******************************************************************************/
 
-void acpi_tb_delete_single_table(struct acpi_table_desc *table_desc)
+acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index)
 {
+        acpi_status status = AE_BAD_PARAMETER;
 
-        /* Must have a valid table descriptor and pointer */
+        ACPI_FUNCTION_TRACE(tb_release_owner_id);
 
-        if ((!table_desc) || (!table_desc->pointer)) {
-                return;
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+        if (table_index < acpi_gbl_root_table_list.count) {
+                acpi_ut_release_owner_id(&
+                                         (acpi_gbl_root_table_list.
+                                          tables[table_index].owner_id));
+                status = AE_OK;
         }
 
-        /* Valid table, determine type of memory allocation */
-
-        switch (table_desc->allocation) {
-        case ACPI_MEM_NOT_ALLOCATED:
-                break;
-
-        case ACPI_MEM_ALLOCATED:
-
-                ACPI_FREE(table_desc->pointer);
-                break;
-
-        case ACPI_MEM_MAPPED:
-
-                acpi_os_unmap_memory(table_desc->pointer, table_desc->length);
-                break;
-
-        default:
-                break;
-        }
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+        return_ACPI_STATUS(status);
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_uninstall_table
+ * FUNCTION:    acpi_tb_get_owner_id
  *
- * PARAMETERS:  table_info          - A table info struct
+ * PARAMETERS:  table_index         - Table index
+ *              owner_id            - Where the table owner_id is returned
  *
- * RETURN:      Pointer to the next table in the list (of same type)
+ * RETURN:      Status
  *
- * DESCRIPTION: Free the memory associated with an internal ACPI table that
- *              is either installed or has never been installed.
- *              Table mutex should be locked.
+ * DESCRIPTION: returns owner_id for the ACPI table
  *
  ******************************************************************************/
 
-struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
-                                                *table_desc)
+acpi_status
+acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id)
 {
-        struct acpi_table_desc *next_desc;
+        acpi_status status = AE_BAD_PARAMETER;
 
-        ACPI_FUNCTION_TRACE_PTR(tb_uninstall_table, table_desc);
+        ACPI_FUNCTION_TRACE(tb_get_owner_id);
 
-        if (!table_desc) {
-                return_PTR(NULL);
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+        if (table_index < acpi_gbl_root_table_list.count) {
+                *owner_id =
+                    acpi_gbl_root_table_list.tables[table_index].owner_id;
+                status = AE_OK;
         }
 
-        /* Unlink the descriptor from the doubly linked list */
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+        return_ACPI_STATUS(status);
+}
 
-        if (table_desc->prev) {
-                table_desc->prev->next = table_desc->next;
-        } else {
-                /* Is first on list, update list head */
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_is_table_loaded
+ *
+ * PARAMETERS:  table_index         - Table index
+ *
+ * RETURN:      Table Loaded Flag
+ *
+ ******************************************************************************/
 
-                acpi_gbl_table_lists[table_desc->type].next = table_desc->next;
-        }
+u8 acpi_tb_is_table_loaded(acpi_native_uint table_index)
+{
+        u8 is_loaded = FALSE;
 
-        if (table_desc->next) {
-                table_desc->next->prev = table_desc->prev;
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+        if (table_index < acpi_gbl_root_table_list.count) {
+                is_loaded = (u8)
+                    (acpi_gbl_root_table_list.tables[table_index].
+                     flags & ACPI_TABLE_IS_LOADED);
         }
 
-        /* Free the memory allocated for the table itself */
-
-        acpi_tb_delete_single_table(table_desc);
-
-        /* Free the owner ID associated with this table */
-
-        acpi_ut_release_owner_id(&table_desc->owner_id);
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+        return (is_loaded);
+}
 
-        /* Free the table descriptor */
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_set_table_loaded_flag
+ *
+ * PARAMETERS:  table_index         - Table index
+ *              is_loaded           - TRUE if table is loaded, FALSE otherwise
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE.
+ *
+ ******************************************************************************/
 
-        next_desc = table_desc->next;
-        ACPI_FREE(table_desc);
+void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded)
+{
 
-        /* Return pointer to the next descriptor */
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+        if (table_index < acpi_gbl_root_table_list.count) {
+                if (is_loaded) {
+                        acpi_gbl_root_table_list.tables[table_index].flags |=
+                            ACPI_TABLE_IS_LOADED;
+                } else {
+                        acpi_gbl_root_table_list.tables[table_index].flags &=
+                            ~ACPI_TABLE_IS_LOADED;
+                }
+        }
 
-        return_PTR(next_desc);
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
 }
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
deleted file mode 100644
index 86a5fca9b739..000000000000
--- a/drivers/acpi/tables/tbrsdt.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/******************************************************************************
- *
- * Module Name: tbrsdt - ACPI RSDT table utilities
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT          ACPI_TABLES
-ACPI_MODULE_NAME("tbrsdt")
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_verify_rsdp
- *
- * PARAMETERS:  Address         - RSDP (Pointer to RSDT)
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table)
- *
- ******************************************************************************/
-acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
-{
-        struct acpi_table_desc table_info;
-        acpi_status status;
-        struct rsdp_descriptor *rsdp;
-
-        ACPI_FUNCTION_TRACE(tb_verify_rsdp);
-
-        switch (address->pointer_type) {
-        case ACPI_LOGICAL_POINTER:
-
-                rsdp = address->pointer.logical;
-                break;
-
-        case ACPI_PHYSICAL_POINTER:
-                /*
-                 * Obtain access to the RSDP structure
-                 */
-                status = acpi_os_map_memory(address->pointer.physical,
-                                            sizeof(struct rsdp_descriptor),
-                                            ACPI_CAST_PTR(void, &rsdp));
-                if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
-                }
-                break;
-
-        default:
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /* Verify RSDP signature and checksum */
-
-        status = acpi_tb_validate_rsdp(rsdp);
-        if (ACPI_FAILURE(status)) {
-                goto cleanup;
-        }
-
-        /* RSDP is ok. Init the table info */
-
-        table_info.pointer = ACPI_CAST_PTR(struct acpi_table_header, rsdp);
-        table_info.length = sizeof(struct rsdp_descriptor);
-
-        if (address->pointer_type == ACPI_PHYSICAL_POINTER) {
-                table_info.allocation = ACPI_MEM_MAPPED;
-        } else {
-                table_info.allocation = ACPI_MEM_NOT_ALLOCATED;
-        }
-
-        /* Save the table pointers and allocation info */
-
-        status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_RSDP, &table_info);
-        if (ACPI_FAILURE(status)) {
-                goto cleanup;
-        }
-
-        /* Save the RSDP in a global for easy access */
-
-        acpi_gbl_RSDP =
-            ACPI_CAST_PTR(struct rsdp_descriptor, table_info.pointer);
-        return_ACPI_STATUS(status);
-
-        /* Error exit */
-      cleanup:
-
-        if (acpi_gbl_table_flags & ACPI_PHYSICAL_POINTER) {
-                acpi_os_unmap_memory(rsdp, sizeof(struct rsdp_descriptor));
-        }
-        return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_rsdt_address
- *
- * PARAMETERS:  out_address         - Where the address is returned
- *
- * RETURN:      None, Address
- *
- * DESCRIPTION: Extract the address of either the RSDT or XSDT, depending on the
- *              version of the RSDP and whether the XSDT pointer is valid
- *
- ******************************************************************************/
-
-void acpi_tb_get_rsdt_address(struct acpi_pointer *out_address)
-{
-
-        ACPI_FUNCTION_ENTRY();
-
-        out_address->pointer_type =
-            acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;
-
-        /* Use XSDT if it is present */
-
-        if ((acpi_gbl_RSDP->revision >= 2) &&
-            acpi_gbl_RSDP->xsdt_physical_address) {
-                out_address->pointer.value =
-                    acpi_gbl_RSDP->xsdt_physical_address;
-                acpi_gbl_root_table_type = ACPI_TABLE_TYPE_XSDT;
-        } else {
-                /* No XSDT, use the RSDT */
-
-                out_address->pointer.value =
-                    acpi_gbl_RSDP->rsdt_physical_address;
-                acpi_gbl_root_table_type = ACPI_TABLE_TYPE_RSDT;
-        }
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_validate_rsdt
- *
- * PARAMETERS:  table_ptr       - Addressable pointer to the RSDT.
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Validate signature for the RSDT or XSDT
- *
- ******************************************************************************/
-
-acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr)
-{
-        char *signature;
-
-        ACPI_FUNCTION_ENTRY();
-
-        /* Validate minimum length */
-
-        if (table_ptr->length < sizeof(struct acpi_table_header)) {
-                ACPI_ERROR((AE_INFO,
-                            "RSDT/XSDT length (%X) is smaller than minimum (%zX)",
-                            table_ptr->length,
-                            sizeof(struct acpi_table_header)));
-
-                return (AE_INVALID_TABLE_LENGTH);
-        }
-
-        /* Search for appropriate signature, RSDT or XSDT */
-
-        if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
-                signature = RSDT_SIG;
-        } else {
-                signature = XSDT_SIG;
-        }
-
-        if (!ACPI_COMPARE_NAME(table_ptr->signature, signature)) {
-
-                /* Invalid RSDT or XSDT signature */
-
-                ACPI_ERROR((AE_INFO,
-                            "Invalid signature where RSDP indicates RSDT/XSDT should be located. RSDP:"));
-
-                ACPI_DUMP_BUFFER(acpi_gbl_RSDP, 20);
-
-                ACPI_ERROR((AE_INFO,
-                            "RSDT/XSDT signature at %X is invalid",
-                            acpi_gbl_RSDP->rsdt_physical_address));
-
-                if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
-                        ACPI_ERROR((AE_INFO, "Looking for RSDT"));
-                } else {
-                        ACPI_ERROR((AE_INFO, "Looking for XSDT"));
-                }
-
-                ACPI_DUMP_BUFFER(ACPI_CAST_PTR(char, table_ptr), 48);
-                return (AE_BAD_SIGNATURE);
-        }
-
-        return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_get_table_rsdt
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table)
- *
- ******************************************************************************/
-
-acpi_status acpi_tb_get_table_rsdt(void)
-{
-        struct acpi_table_desc table_info;
-        acpi_status status;
-        struct acpi_pointer address;
-
-        ACPI_FUNCTION_TRACE(tb_get_table_rsdt);
-
-        /* Get the RSDT/XSDT via the RSDP */
-
-        acpi_tb_get_rsdt_address(&address);
-
-        table_info.type = ACPI_TABLE_ID_XSDT;
-        status = acpi_tb_get_table(&address, &table_info);
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "Could not get the RSDT/XSDT"));
-                return_ACPI_STATUS(status);
-        }
-
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                          "RSDP located at %p, points to RSDT physical=%8.8X%8.8X\n",
-                          acpi_gbl_RSDP,
-                          ACPI_FORMAT_UINT64(address.pointer.value)));
-
-        /* Check the RSDT or XSDT signature */
-
-        status = acpi_tb_validate_rsdt(table_info.pointer);
-        if (ACPI_FAILURE(status)) {
-                goto error_cleanup;
-        }
-
-        /* Get the number of tables defined in the RSDT or XSDT */
-
-        acpi_gbl_rsdt_table_count = acpi_tb_get_table_count(acpi_gbl_RSDP,
-                                                            table_info.pointer);
-
-        /* Convert and/or copy to an XSDT structure */
-
-        status = acpi_tb_convert_to_xsdt(&table_info);
-        if (ACPI_FAILURE(status)) {
-                goto error_cleanup;
-        }
-
-        /* Save the table pointers and allocation info */
-
-        status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_XSDT, &table_info);
-        if (ACPI_FAILURE(status)) {
-                goto error_cleanup;
-        }
-
-        acpi_gbl_XSDT =
-            ACPI_CAST_PTR(struct xsdt_descriptor, table_info.pointer);
-
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT));
-        return_ACPI_STATUS(status);
-
-      error_cleanup:
-
-        /* Free table allocated by acpi_tb_get_table */
-
-        acpi_tb_delete_single_table(&table_info);
-
-        return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index 209a401801e3..4a2f99e2fc44 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -1,11 +1,11 @@
 /******************************************************************************
  *
- * Module Name: tbutils - Table manipulation utilities
+ * Module Name: tbutils   - table utilities
  *
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,137 +48,119 @@
 ACPI_MODULE_NAME("tbutils")
 
 /* Local prototypes */
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-acpi_status
-acpi_tb_handle_to_object(u16 table_id, struct acpi_table_desc **table_desc);
-#endif
+static acpi_physical_address
+acpi_tb_get_root_table_entry(u8 * table_entry,
+                             acpi_native_uint table_entry_size);
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_is_table_installed
- *
- * PARAMETERS:  new_table_desc      - Descriptor for new table being installed
+ * FUNCTION:    acpi_tb_tables_loaded
  *
- * RETURN:      Status - AE_ALREADY_EXISTS if the table is already installed
+ * PARAMETERS:  None
  *
- * DESCRIPTION: Determine if an ACPI table is already installed
+ * RETURN:      TRUE if required ACPI tables are loaded
  *
- * MUTEX:       Table data structures should be locked
+ * DESCRIPTION: Determine if the minimum required ACPI tables are present
+ *              (FADT, FACS, DSDT)
  *
  ******************************************************************************/
 
-acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc)
+u8 acpi_tb_tables_loaded(void)
 {
-        struct acpi_table_desc *table_desc;
-
-        ACPI_FUNCTION_TRACE(tb_is_table_installed);
 
-        /* Get the list descriptor and first table descriptor */
-
-        table_desc = acpi_gbl_table_lists[new_table_desc->type].next;
+        if (acpi_gbl_root_table_list.count >= 3) {
+                return (TRUE);
+        }
 
-        /* Examine all installed tables of this type */
+        return (FALSE);
+}
 
-        while (table_desc) {
-                /*
-                 * If the table lengths match, perform a full bytewise compare. This
-                 * means that we will allow tables with duplicate oem_table_id(s), as
-                 * long as the tables are different in some way.
-                 *
-                 * Checking if the table has been loaded into the namespace means that
-                 * we don't check for duplicate tables during the initial installation
-                 * of tables within the RSDT/XSDT.
-                 */
-                if ((table_desc->loaded_into_namespace) &&
-                    (table_desc->pointer->length ==
-                     new_table_desc->pointer->length)
-                    &&
-                    (!ACPI_MEMCMP
-                     (table_desc->pointer, new_table_desc->pointer,
-                      new_table_desc->pointer->length))) {
-
-                        /* Match: this table is already installed */
-
-                        ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
-                                          "Table [%4.4s] already installed: Rev %X OemTableId [%8.8s]\n",
-                                          new_table_desc->pointer->signature,
-                                          new_table_desc->pointer->revision,
-                                          new_table_desc->pointer->
-                                          oem_table_id));
-
-                        new_table_desc->owner_id = table_desc->owner_id;
-                        new_table_desc->installed_desc = table_desc;
-
-                        return_ACPI_STATUS(AE_ALREADY_EXISTS);
-                }
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_tb_print_table_header
+ *
+ * PARAMETERS:  Address             - Table physical address
+ *              Header              - Table header
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
+ *
+ ******************************************************************************/
 
-                /* Get next table on the list */
+void
+acpi_tb_print_table_header(acpi_physical_address address,
+                           struct acpi_table_header *header)
+{
 
-                table_desc = table_desc->next;
+        if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) {
+
+                /* FACS only has signature and length fields of common table header */
+
+                ACPI_INFO((AE_INFO, "%4.4s @ 0x%p/0x%04X",
+                           header->signature, ACPI_CAST_PTR(void, address),
+                           header->length));
+        } else if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_RSDP)) {
+
+                /* RSDP has no common fields */
+
+                ACPI_INFO((AE_INFO, "RSDP @ 0x%p/0x%04X (v%3.3d %6.6s)",
+                           ACPI_CAST_PTR(void, address),
+                           (ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
+                            revision >
+                            0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
+                                               header)->length : 20,
+                           ACPI_CAST_PTR(struct acpi_table_rsdp,
+                                         header)->revision,
+                           ACPI_CAST_PTR(struct acpi_table_rsdp,
+                                         header)->oem_id));
+        } else {
+                /* Standard ACPI table with full common header */
+
+                ACPI_INFO((AE_INFO,
+                           "%4.4s @ 0x%p/0x%04X (v%3.3d %6.6s %8.8s 0x%08X %4.4s 0x%08X)",
+                           header->signature, ACPI_CAST_PTR(void, address),
+                           header->length, header->revision, header->oem_id,
+                           header->oem_table_id, header->oem_revision,
+                           header->asl_compiler_id,
+                           header->asl_compiler_revision));
         }
-
-        return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_validate_table_header
+ * FUNCTION:    acpi_tb_validate_checksum
  *
- * PARAMETERS:  table_header        - Logical pointer to the table
+ * PARAMETERS:  Table               - ACPI table to verify
+ *              Length              - Length of entire table
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Check an ACPI table header for validity
- *
- * NOTE:  Table pointers are validated as follows:
- *          1) Table pointer must point to valid physical memory
- *          2) Signature must be 4 ASCII chars, even if we don't recognize the
- *             name
- *          3) Table must be readable for length specified in the header
- *          4) Table checksum must be valid (with the exception of the FACS
- *              which has no checksum because it contains variable fields)
+ * DESCRIPTION: Verifies that the table checksums to zero. Optionally returns
+ *              exception on bad checksum.
  *
  ******************************************************************************/
 
-acpi_status
-acpi_tb_validate_table_header(struct acpi_table_header *table_header)
+acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
 {
-        acpi_name signature;
-
-        ACPI_FUNCTION_ENTRY();
-
-        /* Verify that this is a valid address */
-
-        if (!acpi_os_readable(table_header, sizeof(struct acpi_table_header))) {
-                ACPI_ERROR((AE_INFO,
-                            "Cannot read table header at %p", table_header));
-
-                return (AE_BAD_ADDRESS);
-        }
+        u8 checksum;
 
-        /* Ensure that the signature is 4 ASCII characters */
+        /* Compute the checksum on the table */
 
-        ACPI_MOVE_32_TO_32(&signature, table_header->signature);
-        if (!acpi_ut_valid_acpi_name(signature)) {
-                ACPI_ERROR((AE_INFO, "Invalid table signature 0x%8.8X",
-                            signature));
+        checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, table), length);
 
-                ACPI_DUMP_BUFFER(table_header,
-                                 sizeof(struct acpi_table_header));
-                return (AE_BAD_SIGNATURE);
-        }
+        /* Checksum ok? (should be zero) */
 
-        /* Validate the table length */
+        if (checksum) {
+                ACPI_WARNING((AE_INFO,
+                              "Incorrect checksum in table [%4.4s] -  %2.2X, should be %2.2X",
+                              table->signature, table->checksum,
+                              (u8) (table->checksum - checksum)));
 
-        if (table_header->length < sizeof(struct acpi_table_header)) {
-                ACPI_ERROR((AE_INFO,
-                            "Invalid length 0x%X in table with signature %4.4s",
-                            (u32) table_header->length,
-                            ACPI_CAST_PTR(char, &signature)));
+#if (ACPI_CHECKSUM_ABORT)
 
-                ACPI_DUMP_BUFFER(table_header,
-                                 sizeof(struct acpi_table_header));
-                return (AE_BAD_HEADER);
+                return (AE_BAD_CHECKSUM);
+#endif
         }
 
         return (AE_OK);
@@ -186,157 +168,320 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_sum_table
+ * FUNCTION:    acpi_tb_checksum
  *
- * PARAMETERS:  Buffer              - Buffer to sum
- *              Length              - Size of the buffer
+ * PARAMETERS:  Buffer          - Pointer to memory region to be checked
+ *              Length          - Length of this memory region
  *
- * RETURN:      8 bit sum of buffer
+ * RETURN:      Checksum (u8)
  *
- * DESCRIPTION: Computes an 8 bit sum of the buffer(length) and returns it.
+ * DESCRIPTION: Calculates circular checksum of memory region.
  *
  ******************************************************************************/
 
-u8 acpi_tb_sum_table(void *buffer, u32 length)
+u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length)
 {
-        acpi_native_uint i;
         u8 sum = 0;
+        u8 *end = buffer + length;
 
-        if (!buffer || !length) {
-                return (0);
+        while (buffer < end) {
+                sum = (u8) (sum + *(buffer++));
         }
 
-        for (i = 0; i < length; i++) {
-                sum = (u8) (sum + ((u8 *) buffer)[i]);
-        }
-        return (sum);
+        return sum;
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_generate_checksum
+ * FUNCTION:    acpi_tb_install_table
  *
- * PARAMETERS:  Table               - Pointer to a valid ACPI table (with a
- *                                    standard ACPI header)
+ * PARAMETERS:  Address                 - Physical address of DSDT or FACS
+ *              Flags                   - Flags
+ *              Signature               - Table signature, NULL if no need to
+ *                                        match
+ *              table_index             - Index into root table array
  *
- * RETURN:      8 bit checksum of buffer
+ * RETURN:      None
  *
- * DESCRIPTION: Computes an 8 bit checksum of the table.
+ * DESCRIPTION: Install an ACPI table into the global data structure.
  *
  ******************************************************************************/
 
-u8 acpi_tb_generate_checksum(struct acpi_table_header * table)
+void
+acpi_tb_install_table(acpi_physical_address address,
+                      u8 flags, char *signature, acpi_native_uint table_index)
 {
-        u8 checksum;
+        struct acpi_table_header *table;
+
+        if (!address) {
+                ACPI_ERROR((AE_INFO,
+                            "Null physical address for ACPI table [%s]",
+                            signature));
+                return;
+        }
+
+        /* Map just the table header */
+
+        table = acpi_os_map_memory(address, sizeof(struct acpi_table_header));
+        if (!table) {
+                return;
+        }
+
+        /* If a particular signature is expected, signature must match */
+
+        if (signature && !ACPI_COMPARE_NAME(table->signature, signature)) {
+                ACPI_ERROR((AE_INFO,
+                            "Invalid signature 0x%X for ACPI table [%s]",
+                            *ACPI_CAST_PTR(u32, table->signature), signature));
+                goto unmap_and_exit;
+        }
 
-        /* Sum the entire table as-is */
+        /* Initialize the table entry */
 
-        checksum = acpi_tb_sum_table(table, table->length);
+        acpi_gbl_root_table_list.tables[table_index].address = address;
+        acpi_gbl_root_table_list.tables[table_index].length = table->length;
+        acpi_gbl_root_table_list.tables[table_index].flags = flags;
 
-        /* Subtract off the existing checksum value in the table */
+        ACPI_MOVE_32_TO_32(&
+                           (acpi_gbl_root_table_list.tables[table_index].
+                            signature), table->signature);
 
-        checksum = (u8) (checksum - table->checksum);
+        acpi_tb_print_table_header(address, table);
 
-        /* Compute the final checksum */
+        if (table_index == ACPI_TABLE_INDEX_DSDT) {
 
-        checksum = (u8) (0 - checksum);
-        return (checksum);
+                /* Global integer width is based upon revision of the DSDT */
+
+                acpi_ut_set_integer_width(table->revision);
+        }
+
+      unmap_and_exit:
+        acpi_os_unmap_memory(table, sizeof(struct acpi_table_header));
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_set_checksum
+ * FUNCTION:    acpi_tb_get_root_table_entry
  *
- * PARAMETERS:  Table               - Pointer to a valid ACPI table (with a
- *                                    standard ACPI header)
+ * PARAMETERS:  table_entry         - Pointer to the RSDT/XSDT table entry
+ *              table_entry_size    - sizeof 32 or 64 (RSDT or XSDT)
  *
- * RETURN:      None. Sets the table checksum field
+ * RETURN:      Physical address extracted from the root table
  *
- * DESCRIPTION: Computes an 8 bit checksum of the table and inserts the
- *              checksum into the table header.
+ * DESCRIPTION: Get one root table entry. Handles 32-bit and 64-bit cases on
+ *              both 32-bit and 64-bit platforms
+ *
+ * NOTE:        acpi_physical_address is 32-bit on 32-bit platforms, 64-bit on
+ *              64-bit platforms.
  *
  ******************************************************************************/
 
-void acpi_tb_set_checksum(struct acpi_table_header *table)
+static acpi_physical_address
+acpi_tb_get_root_table_entry(u8 * table_entry,
+                             acpi_native_uint table_entry_size)
 {
+        u64 address64;
+
+        /*
+         * Get the table physical address (32-bit for RSDT, 64-bit for XSDT):
+         * Note: Addresses are 32-bit aligned (not 64) in both RSDT and XSDT
+         */
+        if (table_entry_size == sizeof(u32)) {
+                /*
+                 * 32-bit platform, RSDT: Return 32-bit table entry
+                 * 64-bit platform, RSDT: Expand 32-bit to 64-bit and return
+                 */
+                return ((acpi_physical_address)
+                        (*ACPI_CAST_PTR(u32, table_entry)));
+        } else {
+                /*
+                 * 32-bit platform, XSDT: Truncate 64-bit to 32-bit and return
+                 * 64-bit platform, XSDT: Move (unaligned) 64-bit to local, return 64-bit
+                 */
+                ACPI_MOVE_64_TO_64(&address64, table_entry);
 
-        table->checksum = acpi_tb_generate_checksum(table);
+#if ACPI_MACHINE_WIDTH == 32
+                if (address64 > ACPI_UINT32_MAX) {
+
+                        /* Will truncate 64-bit address to 32 bits, issue warning */
+
+                        ACPI_WARNING((AE_INFO,
+                                      "64-bit Physical Address in XSDT is too large (%8.8X%8.8X), truncating",
+                                      ACPI_FORMAT_UINT64(address64)));
+                }
+#endif
+                return ((acpi_physical_address) (address64));
+        }
 }
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_verify_table_checksum
+ * FUNCTION:    acpi_tb_parse_root_table
+ *
+ * PARAMETERS:  Rsdp                    - Pointer to the RSDP
+ *              Flags                   - Flags
  *
- * PARAMETERS:  *table_header           - ACPI table to verify
+ * RETURN:      Status
  *
- * RETURN:      8 bit checksum of table
+ * DESCRIPTION: This function is called to parse the Root System Description
+ *              Table (RSDT or XSDT)
  *
- * DESCRIPTION: Generates an 8 bit checksum of table and returns and compares
- *              it to the existing checksum value.
+ * NOTE:        Tables are mapped (not copied) for efficiency. The FACS must
+ *              be mapped and cannot be copied because it contains the actual
+ *              memory location of the ACPI Global Lock.
  *
  ******************************************************************************/
 
-acpi_status
-acpi_tb_verify_table_checksum(struct acpi_table_header *table_header)
+acpi_status __init
+acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
 {
-        u8 checksum;
+        struct acpi_table_rsdp *rsdp;
+        acpi_native_uint table_entry_size;
+        acpi_native_uint i;
+        u32 table_count;
+        struct acpi_table_header *table;
+        acpi_physical_address address;
+        u32 length;
+        u8 *table_entry;
+        acpi_status status;
+
+        ACPI_FUNCTION_TRACE(tb_parse_root_table);
+
+        /*
+         * Map the entire RSDP and extract the address of the RSDT or XSDT
+         */
+        rsdp = acpi_os_map_memory(rsdp_address, sizeof(struct acpi_table_rsdp));
+        if (!rsdp) {
+                return_ACPI_STATUS(AE_NO_MEMORY);
+        }
 
-        ACPI_FUNCTION_TRACE(tb_verify_table_checksum);
+        acpi_tb_print_table_header(rsdp_address,
+                                   ACPI_CAST_PTR(struct acpi_table_header,
+                                                 rsdp));
 
-        /* Compute the checksum on the table */
+        /* Differentiate between RSDT and XSDT root tables */
 
-        checksum = acpi_tb_generate_checksum(table_header);
+        if (rsdp->revision > 1 && rsdp->xsdt_physical_address) {
+                /*
+                 * 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
+                 * the ACPI specification.
+                 */
+                address = (acpi_physical_address) rsdp->xsdt_physical_address;
+                table_entry_size = sizeof(u64);
+        } else {
+                /* Root table is an RSDT (32-bit physical addresses) */
 
-        /* Checksum ok? */
+                address = (acpi_physical_address) rsdp->rsdt_physical_address;
+                table_entry_size = sizeof(u32);
+        }
 
-        if (checksum == table_header->checksum) {
-                return_ACPI_STATUS(AE_OK);
+        /*
+         * It is not possible to map more than one entry in some environments,
+         * so unmap the RSDP here before mapping other tables
+         */
+        acpi_os_unmap_memory(rsdp, sizeof(struct acpi_table_rsdp));
+
+        /* Map the RSDT/XSDT table header to get the full table length */
+
+        table = acpi_os_map_memory(address, sizeof(struct acpi_table_header));
+        if (!table) {
+                return_ACPI_STATUS(AE_NO_MEMORY);
         }
 
-        ACPI_WARNING((AE_INFO,
-                      "Incorrect checksum in table [%4.4s] - is %2.2X, should be %2.2X",
-                      table_header->signature, table_header->checksum,
-                      checksum));
+        acpi_tb_print_table_header(address, table);
 
-        return_ACPI_STATUS(AE_BAD_CHECKSUM);
-}
+        /* Get the length of the full table, verify length and map entire table */
 
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_handle_to_object
- *
- * PARAMETERS:  table_id            - Id for which the function is searching
- *              table_desc          - Pointer to return the matching table
- *                                      descriptor.
- *
- * RETURN:      Search the tables to find one with a matching table_id and
- *              return a pointer to that table descriptor.
- *
- ******************************************************************************/
+        length = table->length;
+        acpi_os_unmap_memory(table, sizeof(struct acpi_table_header));
 
-acpi_status
-acpi_tb_handle_to_object(u16 table_id,
-                         struct acpi_table_desc **return_table_desc)
-{
-        u32 i;
-        struct acpi_table_desc *table_desc;
+        if (length < sizeof(struct acpi_table_header)) {
+                ACPI_ERROR((AE_INFO, "Invalid length 0x%X in RSDT/XSDT",
+                            length));
+                return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
+        }
 
-        ACPI_FUNCTION_NAME(tb_handle_to_object);
+        table = acpi_os_map_memory(address, length);
+        if (!table) {
+                return_ACPI_STATUS(AE_NO_MEMORY);
+        }
+
+        /* Validate the root table checksum */
+
+        status = acpi_tb_verify_checksum(table, length);
+        if (ACPI_FAILURE(status)) {
+                acpi_os_unmap_memory(table, length);
+                return_ACPI_STATUS(status);
+        }
 
-        for (i = 0; i < ACPI_TABLE_MAX; i++) {
-                table_desc = acpi_gbl_table_lists[i].next;
-                while (table_desc) {
-                        if (table_desc->table_id == table_id) {
-                                *return_table_desc = table_desc;
-                                return (AE_OK);
+        /* Calculate the number of tables described in the root table */
+
+        table_count =
+            (u32) ((table->length -
+                    sizeof(struct acpi_table_header)) / table_entry_size);
+
+        /*
+         * First two entries in the table array are reserved for the DSDT and FACS,
+         * which are not actually present in the RSDT/XSDT - they come from the FADT
+         */
+        table_entry =
+            ACPI_CAST_PTR(u8, table) + sizeof(struct acpi_table_header);
+        acpi_gbl_root_table_list.count = 2;
+
+        /*
+         * Initialize the root table array from the RSDT/XSDT
+         */
+        for (i = 0; i < table_count; i++) {
+                if (acpi_gbl_root_table_list.count >=
+                    acpi_gbl_root_table_list.size) {
+
+                        /* There is no more room in the root table array, attempt resize */
+
+                        status = acpi_tb_resize_root_table_list();
+                        if (ACPI_FAILURE(status)) {
+                                ACPI_WARNING((AE_INFO,
+                                              "Truncating %u table entries!",
+                                              (unsigned)
+                                              (acpi_gbl_root_table_list.size -
+                                               acpi_gbl_root_table_list.
+                                               count)));
+                                break;
                         }
+                }
+
+                /* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */
 
-                        table_desc = table_desc->next;
+                acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
+                    address =
+                    acpi_tb_get_root_table_entry(table_entry, table_entry_size);
+
+                table_entry += table_entry_size;
+                acpi_gbl_root_table_list.count++;
+        }
+
+        /*
+         * It is not possible to map more than one entry in some environments,
+         * so unmap the root table here before mapping other tables
+         */
+        acpi_os_unmap_memory(table, length);
+
+        /*
+         * Complete the initialization of the root table array by examining
+         * the header of each table
+         */
+        for (i = 2; i < acpi_gbl_root_table_list.count; i++) {
+                acpi_tb_install_table(acpi_gbl_root_table_list.tables[i].
+                                      address, flags, NULL, i);
+
+                /* Special case for FADT - get the DSDT and FACS */
+
+                if (ACPI_COMPARE_NAME
+                    (&acpi_gbl_root_table_list.tables[i].signature,
+                     ACPI_SIG_FADT)) {
+                        acpi_tb_parse_fadt(i, flags);
                 }
         }
 
-        ACPI_ERROR((AE_INFO, "TableId=%X does not exist", table_id));
-        return (AE_BAD_PARAMETER);
+        return_ACPI_STATUS(AE_OK);
 }
-#endif
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 5ba9303293ad..807978d5381a 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,80 +49,158 @@
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbxface")
 
+/* Local prototypes */
+static acpi_status acpi_tb_load_namespace(void);
+
 /*******************************************************************************
  *
- * FUNCTION:    acpi_load_tables
+ * FUNCTION:    acpi_allocate_root_table
  *
- * PARAMETERS:  None
+ * PARAMETERS:  initial_table_count - Size of initial_table_array, in number of
+ *                                    struct acpi_table_desc structures
  *
  * RETURN:      Status
  *
- * DESCRIPTION: This function is called to load the ACPI tables from the
- *              provided RSDT
+ * DESCRIPTION: Allocate a root table array. Used by i_aSL compiler and
+ *              acpi_initialize_tables.
  *
  ******************************************************************************/
-acpi_status acpi_load_tables(void)
+
+acpi_status acpi_allocate_root_table(u32 initial_table_count)
 {
-        struct acpi_pointer rsdp_address;
-        acpi_status status;
 
-        ACPI_FUNCTION_TRACE(acpi_load_tables);
+        acpi_gbl_root_table_list.size = initial_table_count;
+        acpi_gbl_root_table_list.flags = ACPI_ROOT_ALLOW_RESIZE;
 
-        /* Get the RSDP */
+        return (acpi_tb_resize_root_table_list());
+}
 
-        status = acpi_os_get_root_pointer(ACPI_LOGICAL_ADDRESSING,
-                                          &rsdp_address);
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status, "Could not get the RSDP"));
-                goto error_exit;
-        }
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_initialize_tables
+ *
+ * PARAMETERS:  initial_table_array - Pointer to an array of pre-allocated
+ *                                    struct acpi_table_desc structures. If NULL, the
+ *                                    array is dynamically allocated.
+ *              initial_table_count - Size of initial_table_array, in number of
+ *                                    struct acpi_table_desc structures
+ *              allow_realloc       - Flag to tell Table Manager if resize of
+ *                                    pre-allocated array is allowed. Ignored
+ *                                    if initial_table_array is NULL.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize the table manager, get the RSDP and RSDT/XSDT.
+ *
+ * NOTE:        Allows static allocation of the initial table array in order
+ *              to avoid the use of dynamic memory in confined environments
+ *              such as the kernel boot sequence where it may not be available.
+ *
+ *              If the host OS memory managers are initialized, use NULL for
+ *              initial_table_array, and the table will be dynamically allocated.
+ *
+ ******************************************************************************/
 
-        /* Map and validate the RSDP */
+acpi_status __init
+acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
+                       u32 initial_table_count, u8 allow_resize)
+{
+        acpi_physical_address rsdp_address;
+        acpi_status status;
 
-        acpi_gbl_table_flags = rsdp_address.pointer_type;
+        ACPI_FUNCTION_TRACE(acpi_initialize_tables);
 
-        status = acpi_tb_verify_rsdp(&rsdp_address);
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status, "During RSDP validation"));
-                goto error_exit;
+        /*
+         * Set up the Root Table Array
+         * Allocate the table array if requested
+         */
+        if (!initial_table_array) {
+                status = acpi_allocate_root_table(initial_table_count);
+                if (ACPI_FAILURE(status)) {
+                        return_ACPI_STATUS(status);
+                }
+        } else {
+                /* Root Table Array has been statically allocated by the host */
+
+                ACPI_MEMSET(initial_table_array, 0,
+                            initial_table_count *
+                            sizeof(struct acpi_table_desc));
+
+                acpi_gbl_root_table_list.tables = initial_table_array;
+                acpi_gbl_root_table_list.size = initial_table_count;
+                acpi_gbl_root_table_list.flags = ACPI_ROOT_ORIGIN_UNKNOWN;
+                if (allow_resize) {
+                        acpi_gbl_root_table_list.flags |=
+                            ACPI_ROOT_ALLOW_RESIZE;
+                }
         }
 
-        /* Get the RSDT via the RSDP */
+        /* Get the address of the RSDP */
 
-        status = acpi_tb_get_table_rsdt();
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status, "Could not load RSDT"));
-                goto error_exit;
+        rsdp_address = acpi_os_get_root_pointer();
+        if (!rsdp_address) {
+                return_ACPI_STATUS(AE_NOT_FOUND);
         }
 
-        /* Now get the tables needed by this subsystem (FADT, DSDT, etc.) */
+        /*
+         * Get the root table (RSDT or XSDT) and extract all entries to the local
+         * Root Table Array. This array contains the information of the RSDT/XSDT
+         * in a common, more useable format.
+         */
+        status =
+            acpi_tb_parse_root_table(rsdp_address, ACPI_TABLE_ORIGIN_MAPPED);
+        return_ACPI_STATUS(status);
+}
 
-        status = acpi_tb_get_required_tables();
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "Could not get all required tables (DSDT/FADT/FACS)"));
-                goto error_exit;
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_reallocate_root_table
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Reallocate Root Table List into dynamic memory. Copies the
+ *              root list from the previously provided scratch area. Should
+ *              be called once dynamic memory allocation is available in the
+ *              kernel
+ *
+ ******************************************************************************/
+acpi_status acpi_reallocate_root_table(void)
+{
+        struct acpi_table_desc *tables;
+        acpi_size new_size;
+
+        ACPI_FUNCTION_TRACE(acpi_reallocate_root_table);
+
+        /*
+         * Only reallocate the root table if the host provided a static buffer
+         * for the table array in the call to acpi_initialize_tables.
+         */
+        if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
+                return_ACPI_STATUS(AE_SUPPORT);
         }
 
-        ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n"));
+        new_size =
+            (acpi_gbl_root_table_list.count +
+             ACPI_ROOT_TABLE_SIZE_INCREMENT) * sizeof(struct acpi_table_desc);
 
-        /* Load the namespace from the tables */
+        /* Create new array and copy the old array */
 
-        status = acpi_ns_load_namespace();
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status, "Could not load namespace"));
-                goto error_exit;
+        tables = ACPI_ALLOCATE_ZEROED(new_size);
+        if (!tables) {
+                return_ACPI_STATUS(AE_NO_MEMORY);
         }
 
-        return_ACPI_STATUS(AE_OK);
+        ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, new_size);
 
-      error_exit:
-        ACPI_EXCEPTION((AE_INFO, status, "Could not load tables"));
-        return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_load_tables)
+        acpi_gbl_root_table_list.size = acpi_gbl_root_table_list.count;
+        acpi_gbl_root_table_list.tables = tables;
+        acpi_gbl_root_table_list.flags =
+            ACPI_ROOT_ORIGIN_ALLOCATED | ACPI_ROOT_ALLOW_RESIZE;
 
+        return_ACPI_STATUS(AE_OK);
+}
 /*******************************************************************************
  *
  * FUNCTION:    acpi_load_table
@@ -141,342 +219,405 @@ ACPI_EXPORT_SYMBOL(acpi_load_tables)
 acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
 {
         acpi_status status;
-        struct acpi_table_desc table_info;
-        struct acpi_pointer address;
-
-        ACPI_FUNCTION_TRACE(acpi_load_table);
-
-        if (!table_ptr) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /* Copy the table to a local buffer */
+        acpi_native_uint table_index;
+        struct acpi_table_desc table_desc;
 
-        address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
-        address.pointer.logical = table_ptr;
-
-        status = acpi_tb_get_table_body(&address, table_ptr, &table_info);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
-
-        /* Check signature for a valid table type */
-
-        status = acpi_tb_recognize_table(&table_info, ACPI_TABLE_ALL);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
+        if (!table_ptr)
+                return AE_BAD_PARAMETER;
 
-        /* Install the new table into the local data structures */
+        ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc));
+        table_desc.pointer = table_ptr;
+        table_desc.length = table_ptr->length;
+        table_desc.flags = ACPI_TABLE_ORIGIN_UNKNOWN;
 
-        status = acpi_tb_install_table(&table_info);
+        /*
+         * Install the new table into the local data structures
+         */
+        status = acpi_tb_add_table(&table_desc, &table_index);
         if (ACPI_FAILURE(status)) {
-                if (status == AE_ALREADY_EXISTS) {
-
-                        /* Table already exists, no error */
-
-                        status = AE_OK;
-                }
-
-                /* Free table allocated by acpi_tb_get_table_body */
-
-                acpi_tb_delete_single_table(&table_info);
-                return_ACPI_STATUS(status);
+                return status;
         }
+        status = acpi_ns_load_table(table_index, acpi_gbl_root_node);
+        return status;
+}
 
-        /* Convert the table to common format if necessary */
-
-        switch (table_info.type) {
-        case ACPI_TABLE_ID_FADT:
-
-                status = acpi_tb_convert_table_fadt();
-                break;
-
-        case ACPI_TABLE_ID_FACS:
+ACPI_EXPORT_SYMBOL(acpi_load_table)
 
-                status = acpi_tb_build_common_facs(&table_info);
-                break;
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_get_table_header
+ *
+ * PARAMETERS:  Signature           - ACPI signature of needed table
+ *              Instance            - Which instance (for SSDTs)
+ *              out_table_header    - The pointer to the table header to fill
+ *
+ * RETURN:      Status and pointer to mapped table header
+ *
+ * DESCRIPTION: Finds an ACPI table header.
+ *
+ * NOTE:        Caller is responsible in unmapping the header with
+ *              acpi_os_unmap_memory
+ *
+ *****************************************************************************/
+acpi_status
+acpi_get_table_header(char *signature,
+                      acpi_native_uint instance,
+                      struct acpi_table_header *out_table_header)
+{
+        acpi_native_uint i;
+        acpi_native_uint j;
+        struct acpi_table_header *header;
 
-        default:
-                /* Load table into namespace if it contains executable AML */
+        /* Parameter validation */
 
-                status =
-                    acpi_ns_load_table(table_info.installed_desc,
-                                       acpi_gbl_root_node);
-                break;
+        if (!signature || !out_table_header) {
+                return (AE_BAD_PARAMETER);
         }
 
-        if (ACPI_FAILURE(status)) {
+        /*
+         * Walk the root table list
+         */
+        for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) {
+                if (!ACPI_COMPARE_NAME
+                    (&(acpi_gbl_root_table_list.tables[i].signature),
+                     signature)) {
+                        continue;
+                }
 
-                /* Uninstall table and free the buffer */
+                if (++j < instance) {
+                        continue;
+                }
 
-                (void)acpi_tb_uninstall_table(table_info.installed_desc);
+                if (!acpi_gbl_root_table_list.tables[i].pointer) {
+                        if ((acpi_gbl_root_table_list.tables[i].
+                             flags & ACPI_TABLE_ORIGIN_MASK) ==
+                            ACPI_TABLE_ORIGIN_MAPPED) {
+                                header =
+                                    acpi_os_map_memory(acpi_gbl_root_table_list.
+                                                       tables[i].address,
+                                                       sizeof(struct
+                                                              acpi_table_header));
+                                if (!header) {
+                                        return AE_NO_MEMORY;
+                                }
+                                ACPI_MEMCPY(out_table_header, header,
+                                            sizeof(struct acpi_table_header));
+                                acpi_os_unmap_memory(header,
+                                                     sizeof(struct
+                                                            acpi_table_header));
+                        } else {
+                                return AE_NOT_FOUND;
+                        }
+                } else {
+                        ACPI_MEMCPY(out_table_header,
+                                    acpi_gbl_root_table_list.tables[i].pointer,
+                                    sizeof(struct acpi_table_header));
+                }
+                return (AE_OK);
         }
 
-        return_ACPI_STATUS(status);
+        return (AE_NOT_FOUND);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_load_table)
+ACPI_EXPORT_SYMBOL(acpi_get_table_header)
 
-/*******************************************************************************
+
+/******************************************************************************
  *
  * FUNCTION:    acpi_unload_table_id
  *
- * PARAMETERS:  table_type    - Type of table to be unloaded
- *              id            - Owner ID of the table to be removed.
+ * PARAMETERS:  id            - Owner ID of the table to be removed.
  *
  * RETURN:      Status
  *
  * DESCRIPTION: This routine is used to force the unload of a table (by id)
  *
  ******************************************************************************/
-acpi_status acpi_unload_table_id(acpi_table_type table_type, acpi_owner_id id)
+acpi_status acpi_unload_table_id(acpi_owner_id id)
 {
-        struct acpi_table_desc *table_desc;
-        acpi_status status;
+        int i;
+        acpi_status status = AE_NOT_EXIST;
 
         ACPI_FUNCTION_TRACE(acpi_unload_table);
 
-        /* Parameter validation */
-        if (table_type > ACPI_TABLE_ID_MAX)
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-
         /* Find table from the requested type list */
-        table_desc = acpi_gbl_table_lists[table_type].next;
-        while (table_desc && table_desc->owner_id != id)
-                table_desc = table_desc->next;
-
-        if (!table_desc)
-                return_ACPI_STATUS(AE_NOT_EXIST);
-
-        /*
-         * Delete all namespace objects owned by this table. Note that these
-         * objects can appear anywhere in the namespace by virtue of the AML
-         * "Scope" operator. Thus, we need to track ownership by an ID, not
-         * simply a position within the hierarchy
-         */
-        acpi_ns_delete_namespace_by_owner(table_desc->owner_id);
-
-        status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
-        if (ACPI_FAILURE(status))
-                return_ACPI_STATUS(status);
-
-        (void)acpi_tb_uninstall_table(table_desc);
-
-        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
-
-        return_ACPI_STATUS(AE_OK);
+        for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
+                if (id != acpi_gbl_root_table_list.tables[i].owner_id) {
+                        continue;
+                }
+                /*
+                * Delete all namespace objects owned by this table. Note that these
+                * objects can appear anywhere in the namespace by virtue of the AML
+                * "Scope" operator. Thus, we need to track ownership by an ID, not
+                * simply a position within the hierarchy
+                */
+                acpi_tb_delete_namespace_by_owner(i);
+                acpi_tb_release_owner_id(i);
+                acpi_tb_set_table_loaded_flag(i, FALSE);
+        }
+        return_ACPI_STATUS(status);
 }
 
 ACPI_EXPORT_SYMBOL(acpi_unload_table_id)
 
-#ifdef ACPI_FUTURE_USAGE
 /*******************************************************************************
  *
- * FUNCTION:    acpi_unload_table
+ * FUNCTION:    acpi_get_table
  *
- * PARAMETERS:  table_type    - Type of table to be unloaded
+ * PARAMETERS:  Signature           - ACPI signature of needed table
+ *              Instance            - Which instance (for SSDTs)
+ *              out_table           - Where the pointer to the table is returned
  *
- * RETURN:      Status
+ * RETURN:      Status and pointer to table
  *
- * DESCRIPTION: This routine is used to force the unload of a table
+ * DESCRIPTION: Finds and verifies an ACPI table.
  *
- ******************************************************************************/
-acpi_status acpi_unload_table(acpi_table_type table_type)
+ *****************************************************************************/
+acpi_status
+acpi_get_table(char *signature,
+               acpi_native_uint instance, struct acpi_table_header ** out_table)
 {
-        struct acpi_table_desc *table_desc;
-
-        ACPI_FUNCTION_TRACE(acpi_unload_table);
+        acpi_native_uint i;
+        acpi_native_uint j;
+        acpi_status status;
 
         /* Parameter validation */
 
-        if (table_type > ACPI_TABLE_ID_MAX) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
+        if (!signature || !out_table) {
+                return (AE_BAD_PARAMETER);
         }
 
-        /* Find all tables of the requested type */
+        /*
+         * Walk the root table list
+         */
+        for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) {
+                if (!ACPI_COMPARE_NAME
+                    (&(acpi_gbl_root_table_list.tables[i].signature),
+                     signature)) {
+                        continue;
+                }
 
-        table_desc = acpi_gbl_table_lists[table_type].next;
-        if (!table_desc) {
-                return_ACPI_STATUS(AE_NOT_EXIST);
-        }
+                if (++j < instance) {
+                        continue;
+                }
 
-        while (table_desc) {
-                /*
-                 * Delete all namespace objects owned by this table. Note that these
-                 * objects can appear anywhere in the namespace by virtue of the AML
-                 * "Scope" operator. Thus, we need to track ownership by an ID, not
-                 * simply a position within the hierarchy
-                 */
-                acpi_ns_delete_namespace_by_owner(table_desc->owner_id);
-                table_desc = table_desc->next;
-        }
+                status =
+                    acpi_tb_verify_table(&acpi_gbl_root_table_list.tables[i]);
+                if (ACPI_SUCCESS(status)) {
+                        *out_table = acpi_gbl_root_table_list.tables[i].pointer;
+                }
 
-        /* Delete (or unmap) all tables of this type */
+                if (!acpi_gbl_permanent_mmap) {
+                        acpi_gbl_root_table_list.tables[i].pointer = 0;
+                }
 
-        acpi_tb_delete_tables_by_type(table_type);
-        return_ACPI_STATUS(AE_OK);
+                return (status);
+        }
+
+        return (AE_NOT_FOUND);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_unload_table)
+ACPI_EXPORT_SYMBOL(acpi_get_table)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_get_table_header
+ * FUNCTION:    acpi_get_table_by_index
  *
- * PARAMETERS:  table_type      - one of the defined table types
- *              Instance        - the non zero instance of the table, allows
- *                                support for multiple tables of the same type
- *                                see acpi_gbl_acpi_table_flag
- *              out_table_header - pointer to the struct acpi_table_header if successful
+ * PARAMETERS:  table_index         - Table index
+ *              Table               - Where the pointer to the table is returned
  *
- * DESCRIPTION: This function is called to get an ACPI table header. The caller
- *              supplies an pointer to a data area sufficient to contain an ACPI
- *              struct acpi_table_header structure.
+ * RETURN:      Status and pointer to the table
  *
- *              The header contains a length field that can be used to determine
- *              the size of the buffer needed to contain the entire table. This
- *              function is not valid for the RSD PTR table since it does not
- *              have a standard header and is fixed length.
+ * DESCRIPTION: Obtain a table by an index into the global table list.
  *
  ******************************************************************************/
 acpi_status
-acpi_get_table_header(acpi_table_type table_type,
-                      u32 instance, struct acpi_table_header *out_table_header)
+acpi_get_table_by_index(acpi_native_uint table_index,
+                        struct acpi_table_header ** table)
 {
-        struct acpi_table_header *tbl_ptr;
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE(acpi_get_table_header);
+        ACPI_FUNCTION_TRACE(acpi_get_table_by_index);
+
+        /* Parameter validation */
 
-        if ((instance == 0) ||
-            (table_type == ACPI_TABLE_ID_RSDP) || (!out_table_header)) {
+        if (!table) {
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
-        /* Check the table type and instance */
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+
+        /* Validate index */
 
-        if ((table_type > ACPI_TABLE_ID_MAX) ||
-            (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
-             instance > 1)) {
+        if (table_index >= acpi_gbl_root_table_list.count) {
+                (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
-        /* Get a pointer to the entire table */
+        if (!acpi_gbl_root_table_list.tables[table_index].pointer) {
 
-        status = acpi_tb_get_table_ptr(table_type, instance, &tbl_ptr);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
+                /* Table is not mapped, map it */
 
-        /* The function will return a NULL pointer if the table is not loaded */
-
-        if (tbl_ptr == NULL) {
-                return_ACPI_STATUS(AE_NOT_EXIST);
+                status =
+                    acpi_tb_verify_table(&acpi_gbl_root_table_list.
+                                         tables[table_index]);
+                if (ACPI_FAILURE(status)) {
+                        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+                        return_ACPI_STATUS(status);
+                }
         }
 
-        /* Copy the header to the caller's buffer */
-
-        ACPI_MEMCPY(ACPI_CAST_PTR(void, out_table_header),
-                    ACPI_CAST_PTR(void, tbl_ptr),
-                    sizeof(struct acpi_table_header));
-
-        return_ACPI_STATUS(status);
+        *table = acpi_gbl_root_table_list.tables[table_index].pointer;
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+        return_ACPI_STATUS(AE_OK);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_get_table_header)
-#endif                          /*  ACPI_FUTURE_USAGE  */
+ACPI_EXPORT_SYMBOL(acpi_get_table_by_index)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_get_table
+ * FUNCTION:    acpi_tb_load_namespace
  *
- * PARAMETERS:  table_type      - one of the defined table types
- *              Instance        - the non zero instance of the table, allows
- *                                support for multiple tables of the same type
- *                                see acpi_gbl_acpi_table_flag
- *              ret_buffer      - pointer to a structure containing a buffer to
- *                                receive the table
+ * PARAMETERS:  None
  *
  * RETURN:      Status
  *
- * DESCRIPTION: This function is called to get an ACPI table. The caller
- *              supplies an out_buffer large enough to contain the entire ACPI
- *              table. The caller should call the acpi_get_table_header function
- *              first to determine the buffer size needed. Upon completion
- *              the out_buffer->Length field will indicate the number of bytes
- *              copied into the out_buffer->buf_ptr buffer. This table will be
- *              a complete table including the header.
+ * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in
+ *              the RSDT/XSDT.
  *
  ******************************************************************************/
-acpi_status
-acpi_get_table(acpi_table_type table_type,
-               u32 instance, struct acpi_buffer *ret_buffer)
+static acpi_status acpi_tb_load_namespace(void)
 {
-        struct acpi_table_header *tbl_ptr;
         acpi_status status;
-        acpi_size table_length;
+        struct acpi_table_header *table;
+        acpi_native_uint i;
 
-        ACPI_FUNCTION_TRACE(acpi_get_table);
+        ACPI_FUNCTION_TRACE(tb_load_namespace);
 
-        /* Parameter validation */
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
 
-        if (instance == 0) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
+        /*
+         * Load the namespace. The DSDT is required, but any SSDT and PSDT tables
+         * are optional.
+         */
+        if (!acpi_gbl_root_table_list.count ||
+            !ACPI_COMPARE_NAME(&
+                               (acpi_gbl_root_table_list.
+                                tables[ACPI_TABLE_INDEX_DSDT].signature),
+                               ACPI_SIG_DSDT)
+            ||
+            ACPI_FAILURE(acpi_tb_verify_table
+                         (&acpi_gbl_root_table_list.
+                          tables[ACPI_TABLE_INDEX_DSDT]))) {
+                status = AE_NO_ACPI_TABLES;
+                goto unlock_and_exit;
         }
 
-        status = acpi_ut_validate_buffer(ret_buffer);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
+        /*
+         * Find DSDT table
+         */
+        status =
+            acpi_os_table_override(acpi_gbl_root_table_list.
+                                   tables[ACPI_TABLE_INDEX_DSDT].pointer,
+                                   &table);
+        if (ACPI_SUCCESS(status) && table) {
+                /*
+                 * DSDT table has been found
+                 */
+                acpi_tb_delete_table(&acpi_gbl_root_table_list.
+                                     tables[ACPI_TABLE_INDEX_DSDT]);
+                acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer =
+                    table;
+                acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].length =
+                    table->length;
+                acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].flags =
+                    ACPI_TABLE_ORIGIN_UNKNOWN;
+
+                ACPI_INFO((AE_INFO, "Table DSDT replaced by host OS"));
+                acpi_tb_print_table_header(0, table);
         }
 
-        /* Check the table type and instance */
+        status =
+            acpi_tb_verify_table(&acpi_gbl_root_table_list.
+                                 tables[ACPI_TABLE_INDEX_DSDT]);
+        if (ACPI_FAILURE(status)) {
 
-        if ((table_type > ACPI_TABLE_ID_MAX) ||
-            (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
-             instance > 1)) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
+                /* A valid DSDT is required */
+
+                status = AE_NO_ACPI_TABLES;
+                goto unlock_and_exit;
         }
 
-        /* Get a pointer to the entire table */
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
 
-        status = acpi_tb_get_table_ptr(table_type, instance, &tbl_ptr);
+        /*
+         * Load and parse tables.
+         */
+        status = acpi_ns_load_table(ACPI_TABLE_INDEX_DSDT, acpi_gbl_root_node);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
 
         /*
-         * acpi_tb_get_table_ptr will return a NULL pointer if the
-         * table is not loaded.
+         * Load any SSDT or PSDT tables. Note: Loop leaves tables locked
          */
-        if (tbl_ptr == NULL) {
-                return_ACPI_STATUS(AE_NOT_EXIST);
+        (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+        for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
+                if ((!ACPI_COMPARE_NAME
+                     (&(acpi_gbl_root_table_list.tables[i].signature),
+                      ACPI_SIG_SSDT)
+                     &&
+                     !ACPI_COMPARE_NAME(&
+                                        (acpi_gbl_root_table_list.tables[i].
+                                         signature), ACPI_SIG_PSDT))
+                    ||
+                    ACPI_FAILURE(acpi_tb_verify_table
+                                 (&acpi_gbl_root_table_list.tables[i]))) {
+                        continue;
+                }
+
+                /* Ignore errors while loading tables, get as many as possible */
+
+                (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+                (void)acpi_ns_load_table(i, acpi_gbl_root_node);
+                (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
         }
 
-        /* Get the table length */
+        ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n"));
 
-        if (table_type == ACPI_TABLE_ID_RSDP) {
+      unlock_and_exit:
+        (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+        return_ACPI_STATUS(status);
+}
 
-                /* RSD PTR is the only "table" without a header */
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_load_tables
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT
+ *
+ ******************************************************************************/
 
-                table_length = sizeof(struct rsdp_descriptor);
-        } else {
-                table_length = (acpi_size) tbl_ptr->length;
-        }
+acpi_status acpi_load_tables(void)
+{
+        acpi_status status;
 
-        /* Validate/Allocate/Clear caller buffer */
+        ACPI_FUNCTION_TRACE(acpi_load_tables);
 
-        status = acpi_ut_initialize_buffer(ret_buffer, table_length);
+        /*
+         * Load the namespace from the tables
+         */
+        status = acpi_tb_load_namespace();
         if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
+                ACPI_EXCEPTION((AE_INFO, status,
+                                "While loading namespace from ACPI tables"));
         }
 
-        /* Copy the table to the buffer */
-
-        ACPI_MEMCPY(ACPI_CAST_PTR(void, ret_buffer->pointer),
-                    ACPI_CAST_PTR(void, tbl_ptr), table_length);
-
-        return_ACPI_STATUS(AE_OK);
+        return_ACPI_STATUS(status);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_get_table)
+ACPI_EXPORT_SYMBOL(acpi_load_tables)
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index da2648bbdbc0..cf8fa514189f 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,16 +48,15 @@
 ACPI_MODULE_NAME("tbxfroot")
 
 /* Local prototypes */
-static acpi_status
-acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags);
-
 static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length);
 
+static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_tb_validate_rsdp
  *
- * PARAMETERS:  Rsdp        - Pointer to unvalidated RSDP
+ * PARAMETERS:  Rsdp                - Pointer to unvalidated RSDP
  *
  * RETURN:      Status
  *
@@ -65,14 +64,18 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length);
  *
  ******************************************************************************/
 
-acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
+static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
 {
         ACPI_FUNCTION_ENTRY();
 
         /*
-         *  The signature and checksum must both be correct
+         * The signature and checksum must both be correct
+         *
+         * Note: Sometimes there exists more than one RSDP in memory; the valid
+         * RSDP has a valid checksum, all others have an invalid checksum.
          */
-        if (ACPI_STRNCMP((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) {
+        if (ACPI_STRNCMP((char *)rsdp, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1)
+            != 0) {
 
                 /* Nope, BAD Signature */
 
@@ -81,14 +84,14 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
 
         /* Check the standard checksum */
 
-        if (acpi_tb_sum_table(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
+        if (acpi_tb_checksum((u8 *) rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
                 return (AE_BAD_CHECKSUM);
         }
 
         /* Check extended checksum if table version >= 2 */
 
         if ((rsdp->revision >= 2) &&
-            (acpi_tb_sum_table(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
+            (acpi_tb_checksum((u8 *) rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
                 return (AE_BAD_CHECKSUM);
         }
 
@@ -97,314 +100,123 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_find_table
- *
- * PARAMETERS:  Signature           - String with ACPI table signature
- *              oem_id              - String with the table OEM ID
- *              oem_table_id        - String with the OEM Table ID
- *              table_ptr           - Where the table pointer is returned
- *
- * RETURN:      Status
+ * FUNCTION:    acpi_tb_find_rsdp
  *
- * DESCRIPTION: Find an ACPI table (in the RSDT/XSDT) that matches the
- *              Signature, OEM ID and OEM Table ID.
+ * PARAMETERS:  table_address           - Where the table pointer is returned
  *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_find_table(char *signature,
-                   char *oem_id,
-                   char *oem_table_id, struct acpi_table_header ** table_ptr)
-{
-        acpi_status status;
-        struct acpi_table_header *table;
-
-        ACPI_FUNCTION_TRACE(tb_find_table);
-
-        /* Validate string lengths */
-
-        if ((ACPI_STRLEN(signature) > ACPI_NAME_SIZE) ||
-            (ACPI_STRLEN(oem_id) > sizeof(table->oem_id)) ||
-            (ACPI_STRLEN(oem_table_id) > sizeof(table->oem_table_id))) {
-                return_ACPI_STATUS(AE_AML_STRING_LIMIT);
-        }
-
-        if (ACPI_COMPARE_NAME(signature, DSDT_SIG)) {
-                /*
-                 * The DSDT pointer is contained in the FADT, not the RSDT.
-                 * This code should suffice, because the only code that would perform
-                 * a "find" on the DSDT is the data_table_region() AML opcode -- in
-                 * which case, the DSDT is guaranteed to be already loaded.
-                 * If this becomes insufficient, the FADT will have to be found first.
-                 */
-                if (!acpi_gbl_DSDT) {
-                        return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-                }
-                table = acpi_gbl_DSDT;
-        } else {
-                /* Find the table */
-
-                status = acpi_get_firmware_table(signature, 1,
-                                                 ACPI_LOGICAL_ADDRESSING,
-                                                 &table);
-                if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
-                }
-        }
-
-        /* Check oem_id and oem_table_id */
-
-        if ((oem_id[0] &&
-             ACPI_STRNCMP(oem_id, table->oem_id,
-                          sizeof(table->oem_id))) ||
-            (oem_table_id[0] &&
-             ACPI_STRNCMP(oem_table_id, table->oem_table_id,
-                          sizeof(table->oem_table_id)))) {
-                return_ACPI_STATUS(AE_AML_NAME_NOT_FOUND);
-        }
-
-        ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "Found table [%4.4s]\n",
-                          table->signature));
-
-        *table_ptr = table;
-        return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_get_firmware_table
+ * RETURN:      Status, RSDP physical address
  *
- * PARAMETERS:  Signature       - Any ACPI table signature
- *              Instance        - the non zero instance of the table, allows
- *                                support for multiple tables of the same type
- *              Flags           - Physical/Virtual support
- *              table_pointer   - Where a buffer containing the table is
- *                                returned
+ * DESCRIPTION: Search lower 1_mbyte of memory for the root system descriptor
+ *              pointer structure.  If it is found, set *RSDP to point to it.
  *
- * RETURN:      Status
+ * NOTE1:       The RSDP must be either in the first 1_k of the Extended
+ *              BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.)
+ *              Only a 32-bit physical address is necessary.
  *
- * DESCRIPTION: This function is called to get an ACPI table. A buffer is
- *              allocated for the table and returned in table_pointer.
- *              This table will be a complete table including the header.
+ * NOTE2:       This function is always available, regardless of the
+ *              initialization state of the rest of ACPI.
  *
  ******************************************************************************/
 
-acpi_status
-acpi_get_firmware_table(acpi_string signature,
-                        u32 instance,
-                        u32 flags, struct acpi_table_header **table_pointer)
+acpi_status acpi_find_root_pointer(acpi_native_uint * table_address)
 {
-        acpi_status status;
-        struct acpi_pointer address;
-        struct acpi_table_header *header = NULL;
-        struct acpi_table_desc *table_info = NULL;
-        struct acpi_table_desc *rsdt_info;
-        u32 table_count;
-        u32 i;
-        u32 j;
-
-        ACPI_FUNCTION_TRACE(acpi_get_firmware_table);
-
-        /*
-         * Ensure that at least the table manager is initialized.  We don't
-         * require that the entire ACPI subsystem is up for this interface.
-         * If we have a buffer, we must have a length too
-         */
-        if ((instance == 0) || (!signature) || (!table_pointer)) {
-                return_ACPI_STATUS(AE_BAD_PARAMETER);
-        }
-
-        /* Ensure that we have a RSDP */
-
-        if (!acpi_gbl_RSDP) {
-
-                /* Get the RSDP */
-
-                status = acpi_os_get_root_pointer(flags, &address);
-                if (ACPI_FAILURE(status)) {
-                        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "RSDP not found\n"));
-                        return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-                }
-
-                /* Map and validate the RSDP */
-
-                if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
-                        status = acpi_os_map_memory(address.pointer.physical,
-                                                    sizeof(struct
-                                                           rsdp_descriptor),
-                                                    (void *)&acpi_gbl_RSDP);
-                        if (ACPI_FAILURE(status)) {
-                                return_ACPI_STATUS(status);
-                        }
-                } else {
-                        acpi_gbl_RSDP = address.pointer.logical;
-                }
-
-                /* The RDSP signature and checksum must both be correct */
-
-                status = acpi_tb_validate_rsdp(acpi_gbl_RSDP);
-                if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
-                }
-        }
-
-        /* Get the RSDT address via the RSDP */
-
-        acpi_tb_get_rsdt_address(&address);
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                          "RSDP located at %p, RSDT physical=%8.8X%8.8X\n",
-                          acpi_gbl_RSDP,
-                          ACPI_FORMAT_UINT64(address.pointer.value)));
+        u8 *table_ptr;
+        u8 *mem_rover;
+        u32 physical_address;
 
-        /* Insert processor_mode flags */
+        ACPI_FUNCTION_TRACE(acpi_find_root_pointer);
 
-        address.pointer_type |= flags;
+        /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */
 
-        /* Get and validate the RSDT */
+        table_ptr = acpi_os_map_memory((acpi_physical_address)
+                                       ACPI_EBDA_PTR_LOCATION,
+                                       ACPI_EBDA_PTR_LENGTH);
+        if (!table_ptr) {
+                ACPI_ERROR((AE_INFO,
+                            "Could not map memory at %8.8X for length %X",
+                            ACPI_EBDA_PTR_LOCATION, ACPI_EBDA_PTR_LENGTH));
 
-        rsdt_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc));
-        if (!rsdt_info) {
                 return_ACPI_STATUS(AE_NO_MEMORY);
         }
 
-        status = acpi_tb_get_table(&address, rsdt_info);
-        if (ACPI_FAILURE(status)) {
-                goto cleanup;
-        }
-
-        status = acpi_tb_validate_rsdt(rsdt_info->pointer);
-        if (ACPI_FAILURE(status)) {
-                goto cleanup;
-        }
+        ACPI_MOVE_16_TO_32(&physical_address, table_ptr);
 
-        /* Allocate a scratch table header and table descriptor */
+        /* Convert segment part to physical address */
 
-        header = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
-        if (!header) {
-                status = AE_NO_MEMORY;
-                goto cleanup;
-        }
+        physical_address <<= 4;
+        acpi_os_unmap_memory(table_ptr, ACPI_EBDA_PTR_LENGTH);
 
-        table_info = ACPI_ALLOCATE(sizeof(struct acpi_table_desc));
-        if (!table_info) {
-                status = AE_NO_MEMORY;
-                goto cleanup;
-        }
+        /* EBDA present? */
 
-        /* Get the number of table pointers within the RSDT */
-
-        table_count =
-            acpi_tb_get_table_count(acpi_gbl_RSDP, rsdt_info->pointer);
-        address.pointer_type = acpi_gbl_table_flags | flags;
-
-        /*
-         * Search the RSDT/XSDT for the correct instance of the
-         * requested table
-         */
-        for (i = 0, j = 0; i < table_count; i++) {
+        if (physical_address > 0x400) {
                 /*
-                 * Get the next table pointer, handle RSDT vs. XSDT
-                 * RSDT pointers are 32 bits, XSDT pointers are 64 bits
+                 * 1b) Search EBDA paragraphs (EBDA is required to be a
+                 *     minimum of 1_k length)
                  */
-                if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
-                        address.pointer.value =
-                            (ACPI_CAST_PTR
-                             (struct rsdt_descriptor,
-                              rsdt_info->pointer))->table_offset_entry[i];
-                } else {
-                        address.pointer.value =
-                            (ACPI_CAST_PTR
-                             (struct xsdt_descriptor,
-                              rsdt_info->pointer))->table_offset_entry[i];
-                }
-
-                /* Get the table header */
+                table_ptr = acpi_os_map_memory((acpi_native_uint)
+                                               physical_address,
+                                               ACPI_EBDA_WINDOW_SIZE);
+                if (!table_ptr) {
+                        ACPI_ERROR((AE_INFO,
+                                    "Could not map memory at %8.8X for length %X",
+                                    physical_address, ACPI_EBDA_WINDOW_SIZE));
 
-                status = acpi_tb_get_table_header(&address, header);
-                if (ACPI_FAILURE(status)) {
-                        goto cleanup;
+                        return_ACPI_STATUS(AE_NO_MEMORY);
                 }
 
-                /* Compare table signatures and table instance */
-
-                if (ACPI_COMPARE_NAME(header->signature, signature)) {
-
-                        /* An instance of the table was found */
+                mem_rover =
+                    acpi_tb_scan_memory_for_rsdp(table_ptr,
+                                                 ACPI_EBDA_WINDOW_SIZE);
+                acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE);
 
-                        j++;
-                        if (j >= instance) {
+                if (mem_rover) {
 
-                                /* Found the correct instance, get the entire table */
+                        /* Return the physical address */
 
-                                status =
-                                    acpi_tb_get_table_body(&address, header,
-                                                           table_info);
-                                if (ACPI_FAILURE(status)) {
-                                        goto cleanup;
-                                }
+                        physical_address +=
+                            (u32) ACPI_PTR_DIFF(mem_rover, table_ptr);
 
-                                *table_pointer = table_info->pointer;
-                                goto cleanup;
-                        }
+                        *table_address = physical_address;
+                        return_ACPI_STATUS(AE_OK);
                 }
         }
 
-        /* Did not find the table */
+        /*
+         * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh
+         */
+        table_ptr = acpi_os_map_memory((acpi_physical_address)
+                                       ACPI_HI_RSDP_WINDOW_BASE,
+                                       ACPI_HI_RSDP_WINDOW_SIZE);
 
-        status = AE_NOT_EXIST;
+        if (!table_ptr) {
+                ACPI_ERROR((AE_INFO,
+                            "Could not map memory at %8.8X for length %X",
+                            ACPI_HI_RSDP_WINDOW_BASE,
+                            ACPI_HI_RSDP_WINDOW_SIZE));
 
-      cleanup:
-        if (rsdt_info->pointer) {
-                acpi_os_unmap_memory(rsdt_info->pointer,
-                                     (acpi_size) rsdt_info->pointer->length);
+                return_ACPI_STATUS(AE_NO_MEMORY);
         }
-        ACPI_FREE(rsdt_info);
 
-        if (header) {
-                ACPI_FREE(header);
-        }
-        if (table_info) {
-                ACPI_FREE(table_info);
-        }
-        return_ACPI_STATUS(status);
-}
+        mem_rover =
+            acpi_tb_scan_memory_for_rsdp(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
+        acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
 
-ACPI_EXPORT_SYMBOL(acpi_get_firmware_table)
+        if (mem_rover) {
 
-/* TBD: Move to a new file */
-#if ACPI_MACHINE_WIDTH != 16
-/*******************************************************************************
- *
- * FUNCTION:    acpi_find_root_pointer
- *
- * PARAMETERS:  Flags                   - Logical/Physical addressing
- *              rsdp_address            - Where to place the RSDP address
- *
- * RETURN:      Status, Physical address of the RSDP
- *
- * DESCRIPTION: Find the RSDP
- *
- ******************************************************************************/
-acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
-{
-        struct acpi_table_desc table_info;
-        acpi_status status;
-
-        ACPI_FUNCTION_TRACE(acpi_find_root_pointer);
-
-        /* Get the RSDP */
+                /* Return the physical address */
 
-        status = acpi_tb_find_rsdp(&table_info, flags);
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "RSDP structure not found - Flags=%X", flags));
+                physical_address = (u32)
+                    (ACPI_HI_RSDP_WINDOW_BASE +
+                     ACPI_PTR_DIFF(mem_rover, table_ptr));
 
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
+                *table_address = physical_address;
+                return_ACPI_STATUS(AE_OK);
         }
 
-        rsdp_address->pointer_type = ACPI_PHYSICAL_POINTER;
-        rsdp_address->pointer.physical = table_info.physical_address;
-        return_ACPI_STATUS(AE_OK);
+        /* A valid RSDP was not found */
+
+        ACPI_ERROR((AE_INFO, "A valid RSDP was not found"));
+        return_ACPI_STATUS(AE_NOT_FOUND);
 }
 
 ACPI_EXPORT_SYMBOL(acpi_find_root_pointer)
@@ -440,7 +252,7 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
 
                 status =
                     acpi_tb_validate_rsdp(ACPI_CAST_PTR
-                                          (struct rsdp_descriptor, mem_rover));
+                                          (struct acpi_table_rsdp, mem_rover));
                 if (ACPI_SUCCESS(status)) {
 
                         /* Sig and checksum valid, we have found a real RSDP */
@@ -461,189 +273,3 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
                           start_address));
         return_PTR(NULL);
 }
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_find_rsdp
- *
- * PARAMETERS:  table_info              - Where the table info is returned
- *              Flags                   - Current memory mode (logical vs.
- *                                        physical addressing)
- *
- * RETURN:      Status, RSDP physical address
- *
- * DESCRIPTION: Search lower 1_mbyte of memory for the root system descriptor
- *              pointer structure.  If it is found, set *RSDP to point to it.
- *
- *              NOTE1: The RSDP must be either in the first 1_k of the Extended
- *              BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.)
- *              Only a 32-bit physical address is necessary.
- *
- *              NOTE2: This function is always available, regardless of the
- *              initialization state of the rest of ACPI.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
-{
-        u8 *table_ptr;
-        u8 *mem_rover;
-        u32 physical_address;
-        acpi_status status;
-
-        ACPI_FUNCTION_TRACE(tb_find_rsdp);
-
-        /*
-         * Scan supports either logical addressing or physical addressing
-         */
-        if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
-
-                /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */
-
-                status = acpi_os_map_memory((acpi_physical_address)
-                                            ACPI_EBDA_PTR_LOCATION,
-                                            ACPI_EBDA_PTR_LENGTH,
-                                            (void *)&table_ptr);
-                if (ACPI_FAILURE(status)) {
-                        ACPI_ERROR((AE_INFO,
-                                    "Could not map memory at %8.8X for length %X",
-                                    ACPI_EBDA_PTR_LOCATION,
-                                    ACPI_EBDA_PTR_LENGTH));
-
-                        return_ACPI_STATUS(status);
-                }
-
-                ACPI_MOVE_16_TO_32(&physical_address, table_ptr);
-
-                /* Convert segment part to physical address */
-
-                physical_address <<= 4;
-                acpi_os_unmap_memory(table_ptr, ACPI_EBDA_PTR_LENGTH);
-
-                /* EBDA present? */
-
-                if (physical_address > 0x400) {
-                        /*
-                         * 1b) Search EBDA paragraphs (EBDA is required to be a
-                         *     minimum of 1_k length)
-                         */
-                        status = acpi_os_map_memory((acpi_physical_address)
-                                                    physical_address,
-                                                    ACPI_EBDA_WINDOW_SIZE,
-                                                    (void *)&table_ptr);
-                        if (ACPI_FAILURE(status)) {
-                                ACPI_ERROR((AE_INFO,
-                                            "Could not map memory at %8.8X for length %X",
-                                            physical_address,
-                                            ACPI_EBDA_WINDOW_SIZE));
-
-                                return_ACPI_STATUS(status);
-                        }
-
-                        mem_rover = acpi_tb_scan_memory_for_rsdp(table_ptr,
-                                                                 ACPI_EBDA_WINDOW_SIZE);
-                        acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE);
-
-                        if (mem_rover) {
-
-                                /* Return the physical address */
-
-                                physical_address +=
-                                    (u32) ACPI_PTR_DIFF(mem_rover, table_ptr);
-
-                                table_info->physical_address =
-                                    (acpi_physical_address) physical_address;
-                                return_ACPI_STATUS(AE_OK);
-                        }
-                }
-
-                /*
-                 * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh
-                 */
-                status = acpi_os_map_memory((acpi_physical_address)
-                                            ACPI_HI_RSDP_WINDOW_BASE,
-                                            ACPI_HI_RSDP_WINDOW_SIZE,
-                                            (void *)&table_ptr);
-
-                if (ACPI_FAILURE(status)) {
-                        ACPI_ERROR((AE_INFO,
-                                    "Could not map memory at %8.8X for length %X",
-                                    ACPI_HI_RSDP_WINDOW_BASE,
-                                    ACPI_HI_RSDP_WINDOW_SIZE));
-
-                        return_ACPI_STATUS(status);
-                }
-
-                mem_rover =
-                    acpi_tb_scan_memory_for_rsdp(table_ptr,
-                                                 ACPI_HI_RSDP_WINDOW_SIZE);
-                acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
-
-                if (mem_rover) {
-
-                        /* Return the physical address */
-
-                        physical_address = (u32)
-                            (ACPI_HI_RSDP_WINDOW_BASE +
-                             ACPI_PTR_DIFF(mem_rover, table_ptr));
-
-                        table_info->physical_address =
-                            (acpi_physical_address) physical_address;
-                        return_ACPI_STATUS(AE_OK);
-                }
-        }
-
-        /*
-         * Physical addressing
-         */
-        else {
-                /* 1a) Get the location of the EBDA */
-
-                ACPI_MOVE_16_TO_32(&physical_address, ACPI_EBDA_PTR_LOCATION);
-                physical_address <<= 4; /* Convert segment to physical address */
-
-                /* EBDA present? */
-
-                if (physical_address > 0x400) {
-                        /*
-                         * 1b) Search EBDA paragraphs (EBDA is required to be a minimum of
-                         *     1_k length)
-                         */
-                        mem_rover =
-                            acpi_tb_scan_memory_for_rsdp(ACPI_PHYSADDR_TO_PTR
-                                                         (physical_address),
-                                                         ACPI_EBDA_WINDOW_SIZE);
-                        if (mem_rover) {
-
-                                /* Return the physical address */
-
-                                table_info->physical_address =
-                                    ACPI_TO_INTEGER(mem_rover);
-                                return_ACPI_STATUS(AE_OK);
-                        }
-                }
-
-                /* 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh */
-
-                mem_rover =
-                    acpi_tb_scan_memory_for_rsdp(ACPI_PHYSADDR_TO_PTR
-                                                 (ACPI_HI_RSDP_WINDOW_BASE),
-                                                 ACPI_HI_RSDP_WINDOW_SIZE);
-                if (mem_rover) {
-
-                        /* Found it, return the physical address */
-
-                        table_info->physical_address =
-                            ACPI_TO_INTEGER(mem_rover);
-                        return_ACPI_STATUS(AE_OK);
-                }
-        }
-
-        /* A valid RSDP was not found */
-
-        ACPI_ERROR((AE_INFO, "No valid RSDP was found"));
-        return_ACPI_STATUS(AE_NOT_FOUND);
-}
-
-#endif
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index f6cbc0b1bfd0..55a764807499 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,6 +42,7 @@
  */
 
 #include <acpi/acpi.h>
+#include <acpi/acdebug.h>
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utalloc")
@@ -142,6 +143,14 @@ acpi_status acpi_ut_create_caches(void)
 
 acpi_status acpi_ut_delete_caches(void)
 {
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        char buffer[7];
+
+        if (acpi_gbl_display_final_mem_stats) {
+                ACPI_STRCPY(buffer, "MEMORY");
+                acpi_db_display_statistics(buffer);
+        }
+#endif
 
         (void)acpi_os_delete_cache(acpi_gbl_namespace_cache);
         acpi_gbl_namespace_cache = NULL;
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
index 1a1f8109159c..870f6edeb5f2 100644
--- a/drivers/acpi/utilities/utcache.c
+++ b/drivers/acpi/utilities/utcache.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -289,6 +289,14 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
 
                 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);
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 5e1a80d1bc36..84d529db0a66 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -719,6 +719,15 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
                 acpi_ut_add_reference(source_desc->reference.object);
                 break;
 
+        case ACPI_TYPE_REGION:
+                /*
+                 * We copied the Region Handler, so we now must add a reference
+                 */
+                if (dest_desc->region.handler) {
+                        acpi_ut_add_reference(dest_desc->region.handler);
+                }
+                break;
+
         default:
                 /* Nothing to do for other simple objects */
                 break;
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 9e9054e155c1..61ad4f2daee2 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -181,8 +181,7 @@ acpi_ut_debug_print(u32 requested_debug_level,
                 if (ACPI_LV_THREADS & acpi_dbg_level) {
                         acpi_os_printf
                             ("\n**** Context Switch from TID %lX to TID %lX ****\n\n",
-                             (unsigned long) acpi_gbl_prev_thread_id,
-                             (unsigned long) thread_id);
+                             (unsigned long)acpi_gbl_prev_thread_id, (unsigned long)thread_id);
                 }
 
                 acpi_gbl_prev_thread_id = thread_id;
@@ -195,7 +194,7 @@ acpi_ut_debug_print(u32 requested_debug_level,
         acpi_os_printf("%8s-%04ld ", module_name, line_number);
 
         if (ACPI_LV_THREADS & acpi_dbg_level) {
-                acpi_os_printf("[%04lX] ", thread_id);
+                acpi_os_printf("[%04lX] ", (unsigned long)thread_id);
         }
 
         acpi_os_printf("[%02ld] %-22.22s: ",
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 9d3f1149ba21..f777cebdc46d 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -158,16 +158,20 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
                                   "***** Mutex %p, OS Mutex %p\n",
                                   object, object->mutex.os_mutex));
 
-                if (object->mutex.os_mutex != ACPI_GLOBAL_LOCK) {
-                        acpi_ex_unlink_mutex(object);
-                        acpi_os_delete_mutex(object->mutex.os_mutex);
-                } else {
-                        /* Global Lock "mutex" is actually a counting semaphore */
+                if (object->mutex.os_mutex == acpi_gbl_global_lock_mutex) {
+
+                        /* Global Lock has extra semaphore */
 
                         (void)
                             acpi_os_delete_semaphore
                             (acpi_gbl_global_lock_semaphore);
                         acpi_gbl_global_lock_semaphore = NULL;
+
+                        acpi_os_delete_mutex(object->mutex.os_mutex);
+                        acpi_gbl_global_lock_mutex = NULL;
+                } else {
+                        acpi_ex_unlink_mutex(object);
+                        acpi_os_delete_mutex(object->mutex.os_mutex);
                 }
                 break;
 
diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c
index d6d7121583c0..13d5879cd98b 100644
--- a/drivers/acpi/utilities/uteval.c
+++ b/drivers/acpi/utilities/uteval.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 014030af8b50..af33358a964b 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,89 +46,9 @@
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
 
+ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
 #define _COMPONENT          ACPI_UTILITIES
-ACPI_MODULE_NAME("utglobal")
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_format_exception
- *
- * PARAMETERS:  Status       - The acpi_status code to be formatted
- *
- * RETURN:      A string containing the exception text. A valid pointer is
- *              always returned.
- *
- * DESCRIPTION: This function translates an ACPI exception into an ASCII string.
- *
- ******************************************************************************/
-const char *acpi_format_exception(acpi_status status)
-{
-        acpi_status sub_status;
-        const char *exception = NULL;
-
-        ACPI_FUNCTION_ENTRY();
-
-        /*
-         * Status is composed of two parts, a "type" and an actual code
-         */
-        sub_status = (status & ~AE_CODE_MASK);
-
-        switch (status & AE_CODE_MASK) {
-        case AE_CODE_ENVIRONMENTAL:
-
-                if (sub_status <= AE_CODE_ENV_MAX) {
-                        exception = acpi_gbl_exception_names_env[sub_status];
-                }
-                break;
-
-        case AE_CODE_PROGRAMMER:
-
-                if (sub_status <= AE_CODE_PGM_MAX) {
-                        exception =
-                            acpi_gbl_exception_names_pgm[sub_status - 1];
-                }
-                break;
-
-        case AE_CODE_ACPI_TABLES:
-
-                if (sub_status <= AE_CODE_TBL_MAX) {
-                        exception =
-                            acpi_gbl_exception_names_tbl[sub_status - 1];
-                }
-                break;
-
-        case AE_CODE_AML:
-
-                if (sub_status <= AE_CODE_AML_MAX) {
-                        exception =
-                            acpi_gbl_exception_names_aml[sub_status - 1];
-                }
-                break;
-
-        case AE_CODE_CONTROL:
-
-                if (sub_status <= AE_CODE_CTRL_MAX) {
-                        exception =
-                            acpi_gbl_exception_names_ctrl[sub_status - 1];
-                }
-                break;
-
-        default:
-                break;
-        }
-
-        if (!exception) {
-
-                /* Exception code was not recognized */
-
-                ACPI_ERROR((AE_INFO,
-                            "Unknown exception code: 0x%8.8X", status));
-
-                exception = "UNKNOWN_STATUS_CODE";
-        }
-
-        return (ACPI_CAST_PTR(const char, exception));
-}
+    ACPI_MODULE_NAME("utglobal")
 
 /*******************************************************************************
  *
@@ -163,8 +83,6 @@ u32 acpi_gbl_startup_flags = 0;
 
 u8 acpi_gbl_shutdown = TRUE;
 
-const u8 acpi_gbl_decode_to8bit[8] = { 1, 2, 4, 8, 16, 32, 64, 128 };
-
 const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
         "\\_S0_",
         "\\_S1_",
@@ -183,10 +101,45 @@ const char *acpi_gbl_highest_dstate_names[4] = {
 
 /*******************************************************************************
  *
- * Namespace globals
+ * FUNCTION:    acpi_format_exception
+ *
+ * PARAMETERS:  Status       - The acpi_status code to be formatted
+ *
+ * RETURN:      A string containing the exception text. A valid pointer is
+ *              always returned.
+ *
+ * DESCRIPTION: This function translates an ACPI exception into an ASCII string
+ *              It is here instead of utxface.c so it is always present.
  *
  ******************************************************************************/
 
+const char *acpi_format_exception(acpi_status status)
+{
+        const char *exception = NULL;
+
+        ACPI_FUNCTION_ENTRY();
+
+        exception = acpi_ut_validate_exception(status);
+        if (!exception) {
+
+                /* Exception code was not recognized */
+
+                ACPI_ERROR((AE_INFO,
+                            "Unknown exception code: 0x%8.8X", status));
+
+                exception = "UNKNOWN_STATUS_CODE";
+        }
+
+        return (ACPI_CAST_PTR(const char, exception));
+}
+
+ACPI_EXPORT_SYMBOL(acpi_format_exception)
+
+/*******************************************************************************
+ *
+ * Namespace globals
+ *
+ ******************************************************************************/
 /*
  * Predefined ACPI Names (Built-in to the Interpreter)
  *
@@ -280,53 +233,6 @@ char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position)
         return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
 }
 
-/*******************************************************************************
- *
- * Table name globals
- *
- * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
- * it is NOT an exhaustive list of all possible ACPI tables.  All ACPI tables
- * that are not used by the subsystem are simply ignored.
- *
- * Do NOT add any table to this list that is not consumed directly by this
- * subsystem (No MADT, ECDT, SBST, etc.)
- *
- ******************************************************************************/
-
-struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1];
-
-struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1] = {
-        /***********    Name,   Signature, Global typed pointer     Signature size,      Type                  How many allowed?,    Contains valid AML? */
-
-        /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1,
-                      ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE}
-        ,
-        /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *)&acpi_gbl_DSDT,
-                      sizeof(DSDT_SIG) - 1,
-                      ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE |
-                      ACPI_TABLE_EXECUTABLE}
-        ,
-        /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *)&acpi_gbl_FADT,
-                      sizeof(FADT_SIG) - 1,
-                      ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE}
-        ,
-        /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *)&acpi_gbl_FACS,
-                      sizeof(FACS_SIG) - 1,
-                      ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE}
-        ,
-        /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof(PSDT_SIG) - 1,
-                      ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE |
-                      ACPI_TABLE_EXECUTABLE}
-        ,
-        /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof(SSDT_SIG) - 1,
-                      ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE |
-                      ACPI_TABLE_EXECUTABLE}
-        ,
-        /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof(RSDT_SIG) - 1,
-                      ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE}
-        ,
-};
-
 /******************************************************************************
  *
  * Event and Hardware globals
@@ -612,7 +518,7 @@ char *acpi_ut_get_node_name(void *object)
         /* Name must be a valid ACPI name */
 
         if (!acpi_ut_valid_acpi_name(node->name.integer)) {
-                node->name.integer = acpi_ut_repair_name(node->name.integer);
+                node->name.integer = acpi_ut_repair_name(node->name.ascii);
         }
 
         /* Return the name */
@@ -751,13 +657,6 @@ void acpi_ut_init_globals(void)
                 return;
         }
 
-        /* ACPI table structure */
-
-        for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
-                acpi_gbl_table_lists[i].next = NULL;
-                acpi_gbl_table_lists[i].count = 0;
-        }
-
         /* Mutex locked flags */
 
         for (i = 0; i < ACPI_NUM_MUTEX; i++) {
@@ -773,6 +672,7 @@ void acpi_ut_init_globals(void)
 
         /* GPE support */
 
+        acpi_gpe_count = 0;
         acpi_gbl_gpe_xrupt_list_head = NULL;
         acpi_gbl_gpe_fadt_blocks[0] = NULL;
         acpi_gbl_gpe_fadt_blocks[1] = NULL;
@@ -784,25 +684,15 @@ void acpi_ut_init_globals(void)
         acpi_gbl_exception_handler = NULL;
         acpi_gbl_init_handler = NULL;
 
-        /* Global "typed" ACPI table pointers */
-
-        acpi_gbl_RSDP = NULL;
-        acpi_gbl_XSDT = NULL;
-        acpi_gbl_FACS = NULL;
-        acpi_gbl_FADT = NULL;
-        acpi_gbl_DSDT = NULL;
-
         /* Global Lock support */
 
         acpi_gbl_global_lock_semaphore = NULL;
+        acpi_gbl_global_lock_mutex = NULL;
         acpi_gbl_global_lock_acquired = FALSE;
-        acpi_gbl_global_lock_thread_count = 0;
         acpi_gbl_global_lock_handle = 0;
 
         /* Miscellaneous variables */
 
-        acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER;
-        acpi_gbl_rsdp_original_location = 0;
         acpi_gbl_cm_single_step = FALSE;
         acpi_gbl_db_terminate_threads = FALSE;
         acpi_gbl_shutdown = FALSE;
@@ -837,8 +727,13 @@ void acpi_ut_init_globals(void)
         acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX;
 #endif
 
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        acpi_gbl_display_final_mem_stats = FALSE;
+#endif
+
         return_VOID;
 }
 
 ACPI_EXPORT_SYMBOL(acpi_dbg_level)
 ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
+ACPI_EXPORT_SYMBOL(acpi_gpe_count)
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index ff76055eb7d6..ad3c0d0a5cf8 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/utilities/utinit.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,119 +44,14 @@
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
 #include <acpi/acevents.h>
+#include <acpi/actables.h>
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utinit")
 
 /* Local prototypes */
-static void
-acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset);
-
 static void acpi_ut_terminate(void);
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_fadt_register_error
- *
- * PARAMETERS:  register_name           - Pointer to string identifying register
- *              Value                   - Actual register contents value
- *              Offset                  - Byte offset in the FADT
- *
- * RETURN:      AE_BAD_VALUE
- *
- * DESCRIPTION: Display failure message
- *
- ******************************************************************************/
-
-static void
-acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset)
-{
-
-        ACPI_WARNING((AE_INFO,
-                      "Invalid FADT value %s=%X at offset %X FADT=%p",
-                      register_name, value, offset, acpi_gbl_FADT));
-}
-
-/******************************************************************************
- *
- * FUNCTION:    acpi_ut_validate_fadt
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Validate various ACPI registers in the FADT
- *
- ******************************************************************************/
-
-acpi_status acpi_ut_validate_fadt(void)
-{
-
-        /*
-         * Verify Fixed ACPI Description Table fields,
-         * but don't abort on any problems, just display error
-         */
-        if (acpi_gbl_FADT->pm1_evt_len < 4) {
-                acpi_ut_fadt_register_error("PM1_EVT_LEN",
-                                            (u32) acpi_gbl_FADT->pm1_evt_len,
-                                            ACPI_FADT_OFFSET(pm1_evt_len));
-        }
-
-        if (!acpi_gbl_FADT->pm1_cnt_len) {
-                acpi_ut_fadt_register_error("PM1_CNT_LEN", 0,
-                                            ACPI_FADT_OFFSET(pm1_cnt_len));
-        }
-
-        if (!acpi_gbl_FADT->xpm1a_evt_blk.address) {
-                acpi_ut_fadt_register_error("X_PM1a_EVT_BLK", 0,
-                                            ACPI_FADT_OFFSET(xpm1a_evt_blk.
-                                                             address));
-        }
-
-        if (!acpi_gbl_FADT->xpm1a_cnt_blk.address) {
-                acpi_ut_fadt_register_error("X_PM1a_CNT_BLK", 0,
-                                            ACPI_FADT_OFFSET(xpm1a_cnt_blk.
-                                                             address));
-        }
-
-        if (!acpi_gbl_FADT->xpm_tmr_blk.address) {
-                acpi_ut_fadt_register_error("X_PM_TMR_BLK", 0,
-                                            ACPI_FADT_OFFSET(xpm_tmr_blk.
-                                                             address));
-        }
-
-        if ((acpi_gbl_FADT->xpm2_cnt_blk.address &&
-             !acpi_gbl_FADT->pm2_cnt_len)) {
-                acpi_ut_fadt_register_error("PM2_CNT_LEN",
-                                            (u32) acpi_gbl_FADT->pm2_cnt_len,
-                                            ACPI_FADT_OFFSET(pm2_cnt_len));
-        }
-
-        if (acpi_gbl_FADT->pm_tm_len < 4) {
-                acpi_ut_fadt_register_error("PM_TM_LEN",
-                                            (u32) acpi_gbl_FADT->pm_tm_len,
-                                            ACPI_FADT_OFFSET(pm_tm_len));
-        }
-
-        /* Length of GPE blocks must be a multiple of 2 */
-
-        if (acpi_gbl_FADT->xgpe0_blk.address &&
-            (acpi_gbl_FADT->gpe0_blk_len & 1)) {
-                acpi_ut_fadt_register_error("(x)GPE0_BLK_LEN",
-                                            (u32) acpi_gbl_FADT->gpe0_blk_len,
-                                            ACPI_FADT_OFFSET(gpe0_blk_len));
-        }
-
-        if (acpi_gbl_FADT->xgpe1_blk.address &&
-            (acpi_gbl_FADT->gpe1_blk_len & 1)) {
-                acpi_ut_fadt_register_error("(x)GPE1_BLK_LEN",
-                                            (u32) acpi_gbl_FADT->gpe1_blk_len,
-                                            ACPI_FADT_OFFSET(gpe1_blk_len));
-        }
-
-        return (AE_OK);
-}
-
 /******************************************************************************
  *
  * FUNCTION:    acpi_ut_terminate
@@ -178,7 +73,6 @@ static void acpi_ut_terminate(void)
 
         ACPI_FUNCTION_TRACE(ut_terminate);
 
-        /* Free global tables, etc. */
         /* Free global GPE blocks and related info structures */
 
         gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
@@ -239,6 +133,10 @@ void acpi_ut_subsystem_shutdown(void)
 
         acpi_ns_terminate();
 
+        /* Delete the ACPI tables */
+
+        acpi_tb_terminate();
+
         /* Close the globals */
 
         acpi_ut_terminate();
diff --git a/drivers/acpi/utilities/utmath.c b/drivers/acpi/utilities/utmath.c
index 19d74bedce27..0c56a0d20b29 100644
--- a/drivers/acpi/utilities/utmath.c
+++ b/drivers/acpi/utilities/utmath.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 6d8a8211be90..50133fffe420 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -51,6 +51,78 @@ ACPI_MODULE_NAME("utmisc")
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ut_validate_exception
+ *
+ * PARAMETERS:  Status       - The acpi_status code to be formatted
+ *
+ * RETURN:      A string containing the exception text. NULL if exception is
+ *              not valid.
+ *
+ * DESCRIPTION: This function validates and translates an ACPI exception into
+ *              an ASCII string.
+ *
+ ******************************************************************************/
+const char *acpi_ut_validate_exception(acpi_status status)
+{
+        acpi_status sub_status;
+        const char *exception = NULL;
+
+        ACPI_FUNCTION_ENTRY();
+
+        /*
+         * Status is composed of two parts, a "type" and an actual code
+         */
+        sub_status = (status & ~AE_CODE_MASK);
+
+        switch (status & AE_CODE_MASK) {
+        case AE_CODE_ENVIRONMENTAL:
+
+                if (sub_status <= AE_CODE_ENV_MAX) {
+                        exception = acpi_gbl_exception_names_env[sub_status];
+                }
+                break;
+
+        case AE_CODE_PROGRAMMER:
+
+                if (sub_status <= AE_CODE_PGM_MAX) {
+                        exception =
+                            acpi_gbl_exception_names_pgm[sub_status - 1];
+                }
+                break;
+
+        case AE_CODE_ACPI_TABLES:
+
+                if (sub_status <= AE_CODE_TBL_MAX) {
+                        exception =
+                            acpi_gbl_exception_names_tbl[sub_status - 1];
+                }
+                break;
+
+        case AE_CODE_AML:
+
+                if (sub_status <= AE_CODE_AML_MAX) {
+                        exception =
+                            acpi_gbl_exception_names_aml[sub_status - 1];
+                }
+                break;
+
+        case AE_CODE_CONTROL:
+
+                if (sub_status <= AE_CODE_CTRL_MAX) {
+                        exception =
+                            acpi_gbl_exception_names_ctrl[sub_status - 1];
+                }
+                break;
+
+        default:
+                break;
+        }
+
+        return (ACPI_CAST_PTR(const char, exception));
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ut_is_aml_table
  *
  * PARAMETERS:  Table               - An ACPI table
@@ -62,14 +134,15 @@ ACPI_MODULE_NAME("utmisc")
  *              data tables that do not contain AML code.
  *
  ******************************************************************************/
+
 u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
 {
 
         /* These are the only tables that contain executable AML */
 
-        if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) ||
-            ACPI_COMPARE_NAME(table->signature, PSDT_SIG) ||
-            ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) {
+        if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) ||
+            ACPI_COMPARE_NAME(table->signature, ACPI_SIG_PSDT) ||
+            ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) {
                 return (TRUE);
         }
 
@@ -418,7 +491,7 @@ u32 acpi_ut_dword_byte_swap(u32 value)
 void acpi_ut_set_integer_width(u8 revision)
 {
 
-        if (revision <= 1) {
+        if (revision < 2) {
 
                 /* 32-bit case */
 
@@ -582,26 +655,25 @@ u8 acpi_ut_valid_acpi_name(u32 name)
  *
  ******************************************************************************/
 
-acpi_name acpi_ut_repair_name(acpi_name name)
+acpi_name acpi_ut_repair_name(char *name)
 {
-        char *name_ptr = ACPI_CAST_PTR(char, &name);
-        char new_name[ACPI_NAME_SIZE];
         acpi_native_uint i;
+        char new_name[ACPI_NAME_SIZE];
 
         for (i = 0; i < ACPI_NAME_SIZE; i++) {
-                new_name[i] = name_ptr[i];
+                new_name[i] = name[i];
 
                 /*
                  * Replace a bad character with something printable, yet technically
                  * still invalid. This prevents any collisions with existing "good"
                  * names in the namespace.
                  */
-                if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) {
+                if (!acpi_ut_valid_acpi_char(name[i], i)) {
                         new_name[i] = '*';
                 }
         }
 
-        return (*ACPI_CAST_PTR(u32, new_name));
+        return (*(u32 *) new_name);
 }
 
 /*******************************************************************************
@@ -996,9 +1068,13 @@ acpi_ut_info(char *module_name, u32 line_number, char *format, ...)
 {
         va_list args;
 
-        acpi_os_printf("ACPI (%s-%04d): ", module_name, line_number);
+        /*
+         * Removed module_name, line_number, and acpica version, not needed
+         * for info output
+         */
+        acpi_os_printf("ACPI: ");
 
         va_start(args, format);
         acpi_os_vprintf(format, args);
-        acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
+        acpi_os_printf("\n");
 }
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
index 180e73ceb6e2..cbad2ef5987d 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/utilities/utmutex.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index ba7d8ac702df..4696124759e1 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
index 5a2de92831d3..e8fe1ba6cc24 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/utilities/utresrc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
index eaa13d05c859..edcaafad0a31 100644
--- a/drivers/acpi/utilities/utstate.c
+++ b/drivers/acpi/utilities/utstate.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index 3538f69c82a1..de3276f4f468 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -67,6 +67,7 @@ acpi_status acpi_initialize_subsystem(void)
 
         ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
 
+        acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;
         ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
 
         /* Initialize the OS-Dependent layer */
@@ -127,20 +128,6 @@ acpi_status acpi_enable_subsystem(u32 flags)
 
         ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
 
-        /*
-         * We must initialize the hardware before we can enable ACPI.
-         * The values from the FADT are validated here.
-         */
-        if (!(flags & ACPI_NO_HARDWARE_INIT)) {
-                ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-                                  "[Init] Initializing ACPI hardware\n"));
-
-                status = acpi_hw_initialize();
-                if (ACPI_FAILURE(status)) {
-                        return_ACPI_STATUS(status);
-                }
-        }
-
         /* Enable ACPI mode */
 
         if (!(flags & ACPI_NO_ACPI_ENABLE)) {
@@ -398,7 +385,6 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
 {
         struct acpi_system_info *info_ptr;
         acpi_status status;
-        u32 i;
 
         ACPI_FUNCTION_TRACE(acpi_get_system_info);
 
@@ -431,9 +417,7 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
 
         /* Timer resolution - 24 or 32 bits  */
 
-        if (!acpi_gbl_FADT) {
-                info_ptr->timer_resolution = 0;
-        } else if (acpi_gbl_FADT->tmr_val_ext == 0) {
+        if (acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) {
                 info_ptr->timer_resolution = 24;
         } else {
                 info_ptr->timer_resolution = 32;
@@ -449,13 +433,6 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
         info_ptr->debug_layer = acpi_dbg_layer;
         info_ptr->debug_level = acpi_dbg_level;
 
-        /* Current status of the ACPI tables, per table type */
-
-        info_ptr->num_table_types = ACPI_TABLE_ID_MAX + 1;
-        for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
-                info_ptr->table_info[i].count = acpi_gbl_table_lists[i].count;
-        }
-
         return_ACPI_STATUS(AE_OK);
 }
 
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index f1afd26a509f..a7b33d2f5991 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1802,7 +1802,7 @@ static __devinit int try_init_acpi(struct SPMITable *spmi)
             return -ENODEV;
         }
 
-        if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
+        if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
                 addr_space = IPMI_MEM_ADDR_SPACE;
         else
                 addr_space = IPMI_IO_ADDR_SPACE;
@@ -1848,19 +1848,19 @@ static __devinit int try_init_acpi(struct SPMITable *spmi)
                 info->irq_setup = NULL;
         }
 
-        if (spmi->addr.register_bit_width) {
+        if (spmi->addr.bit_width) {
                 /* A (hopefully) properly formed register bit width. */
-                info->io.regspacing = spmi->addr.register_bit_width / 8;
+                info->io.regspacing = spmi->addr.bit_width / 8;
         } else {
                 info->io.regspacing = DEFAULT_REGSPACING;
         }
         info->io.regsize = info->io.regspacing;
-        info->io.regshift = spmi->addr.register_bit_offset;
+        info->io.regshift = spmi->addr.bit_offset;
 
-        if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+        if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
                 info->io_setup = mem_setup;
                 info->io.addr_type = IPMI_IO_ADDR_SPACE;
-        } else if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
+        } else if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
                 info->io_setup = port_setup;
                 info->io.addr_type = IPMI_MEM_ADDR_SPACE;
         } else {
@@ -1888,10 +1888,8 @@ static __devinit void acpi_find_bmc(void)
                 return;
 
         for (i = 0; ; i++) {
-                status = acpi_get_firmware_table("SPMI", i+1,
-                                                 ACPI_LOGICAL_ADDRESSING,
-                                                 (struct acpi_table_header **)
-                                                 &spmi);
+                status = acpi_get_table(ACPI_SIG_SPMI, i+1,
+                                        (struct acpi_table_header **)&spmi);
                 if (status != AE_OK)
                         return;
 
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index a611972024e6..7fca5f470beb 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -372,10 +372,8 @@ static int read_log(struct tpm_bios_log *log)
         }
 
         /* Find TCPA entry in RSDT (ACPI_LOGICAL_ADDRESSING) */
-        status = acpi_get_firmware_table(ACPI_TCPA_SIG, 1,
-                                         ACPI_LOGICAL_ADDRESSING,
-                                         (struct acpi_table_header **)
-                                         &buff);
+        status = acpi_get_table(ACPI_SIG_TCPA, 1,
+                                (struct acpi_table_header **)&buff);
 
         if (ACPI_FAILURE(status)) {
                 printk(KERN_ERR "%s: ERROR - Could not get TCPA table\n",
@@ -409,7 +407,7 @@ static int read_log(struct tpm_bios_log *log)
 
         log->bios_event_log_end = log->bios_event_log + len;
 
-        acpi_os_map_memory(start, len, (void *) &virt);
+        virt = acpi_os_map_memory(start, len);
 
         memcpy(log->bios_event_log, virt, len);
 
diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c
index c2ad72fefd9d..2b4b76e8bd72 100644
--- a/drivers/firmware/pcdp.c
+++ b/drivers/firmware/pcdp.c
@@ -26,7 +26,7 @@ setup_serial_console(struct pcdp_uart *uart)
         static char options[64], *p = options;
         char parity;
 
-        mmio = (uart->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY);
+        mmio = (uart->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY);
         p += sprintf(p, "console=uart,%s,0x%lx",
                 mmio ? "mmio" : "io", uart->addr.address);
         if (uart->baud) {
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index bd1faebf61a0..fca978fb158e 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -773,13 +773,13 @@ static int get_gsi_base(acpi_handle handle, u32 *gsi_base)
                 goto out;
 
         table = obj->buffer.pointer;
-        switch (((acpi_table_entry_header *)table)->type) {
-        case ACPI_MADT_IOSAPIC:
-                *gsi_base = ((struct acpi_table_iosapic *)table)->global_irq_base;
+        switch (((struct acpi_subtable_header *)table)->type) {
+        case ACPI_MADT_TYPE_IO_SAPIC:
+                *gsi_base = ((struct acpi_madt_io_sapic *)table)->global_irq_base;
                 result = 0;
                 break;
-        case ACPI_MADT_IOAPIC:
-                *gsi_base = ((struct acpi_table_ioapic *)table)->global_irq_base;
+        case ACPI_MADT_TYPE_IO_APIC:
+                *gsi_base = ((struct acpi_madt_io_apic *)table)->global_irq_base;
                 result = 0;
                 break;
         default:
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index 5d188c558386..78cf0711d1fa 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -28,6 +28,8 @@
 #include <asm/sn/sn_feature_sets.h>
 #include <asm/sn/sn_sal.h>
 #include <asm/sn/types.h>
+#include <linux/acpi.h>
+#include <asm/sn/acpi.h>
 
 #include "../pci.h"
 
@@ -35,14 +37,17 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("SGI (prarit@sgi.com, dickie@sgi.com, habeck@sgi.com)");
 MODULE_DESCRIPTION("SGI Altix Hot Plug PCI Controller Driver");
 
-#define PCIIO_ASIC_TYPE_TIOCA           4
+
+/* SAL call error codes. Keep in sync with prom header io/include/pcibr.h */
 #define PCI_SLOT_ALREADY_UP             2       /* slot already up */
 #define PCI_SLOT_ALREADY_DOWN           3       /* slot already down */
 #define PCI_L1_ERR                      7       /* L1 console command error */
 #define PCI_EMPTY_33MHZ                 15      /* empty 33 MHz bus */
+
+
+#define PCIIO_ASIC_TYPE_TIOCA           4
 #define PCI_L1_QSIZE                    128     /* our L1 message buffer size */
 #define SN_MAX_HP_SLOTS                 32      /* max hotplug slots */
-#define SGI_HOTPLUG_PROM_REV            0x0430  /* Min. required PROM version */
 #define SN_SLOT_NAME_SIZE               33      /* size of name string */
 
 /* internal list head */
@@ -227,7 +232,7 @@ static void sn_bus_free_data(struct pci_dev *dev)
 }
 
 static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot,
-                          int device_num)
+                          int device_num, char **ssdt)
 {
         struct slot *slot = bss_hotplug_slot->private;
         struct pcibus_info *pcibus_info;
@@ -240,7 +245,8 @@ static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot,
          * Power-on and initialize the slot in the SN
          * PCI infrastructure.
          */
-        rc = sal_pcibr_slot_enable(pcibus_info, device_num, &resp);
+        rc = sal_pcibr_slot_enable(pcibus_info, device_num, &resp, ssdt);
+
 
         if (rc == PCI_SLOT_ALREADY_UP) {
                 dev_dbg(slot->pci_bus->self, "is already active\n");
@@ -335,6 +341,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
         int func, num_funcs;
         int new_ppb = 0;
         int rc;
+        char *ssdt = NULL;
         void pcibios_fixup_device_resources(struct pci_dev *);
 
         /* Serialize the Linux PCI infrastructure */
@@ -342,14 +349,29 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 
         /*
          * Power-on and initialize the slot in the SN
-         * PCI infrastructure.
+         * PCI infrastructure. Also, retrieve the ACPI SSDT
+         * table for the slot (if ACPI capable PROM).
          */
-        rc = sn_slot_enable(bss_hotplug_slot, slot->device_num);
+        rc = sn_slot_enable(bss_hotplug_slot, slot->device_num, &ssdt);
         if (rc) {
                 mutex_unlock(&sn_hotplug_mutex);
                 return rc;
         }
 
+        if (ssdt)
+                ssdt = __va(ssdt);
+        /* Add the new SSDT for the slot to the ACPI namespace */
+        if (SN_ACPI_BASE_SUPPORT() && ssdt) {
+                acpi_status ret;
+
+                ret = acpi_load_table((struct acpi_table_header *)ssdt);
+                if (ACPI_FAILURE(ret)) {
+                        printk(KERN_ERR "%s: acpi_load_table failed (0x%x)\n",
+                               __FUNCTION__, ret);
+                        /* try to continue on */
+                }
+        }
+
         num_funcs = pci_scan_slot(slot->pci_bus,
                                   PCI_DEVFN(slot->device_num + 1, 0));
         if (!num_funcs) {
@@ -374,7 +396,10 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
                          * pdi_host_pcidev_info).
                          */
                         pcibios_fixup_device_resources(dev);
-                        sn_pci_fixup_slot(dev);
+                        if (SN_ACPI_BASE_SUPPORT())
+                                sn_acpi_slot_fixup(dev);
+                        else
+                                sn_io_slot_fixup(dev);
                         if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
                                 unsigned char sec_bus;
                                 pci_read_config_byte(dev, PCI_SECONDARY_BUS,
@@ -388,6 +413,63 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
                 }
         }
 
+        /*
+         * Add the slot's devices to the ACPI infrastructure */
+        if (SN_ACPI_BASE_SUPPORT() && ssdt) {
+                unsigned long adr;
+                struct acpi_device *pdevice;
+                struct acpi_device *device;
+                acpi_handle phandle;
+                acpi_handle chandle = NULL;
+                acpi_handle rethandle;
+                acpi_status ret;
+
+                phandle = PCI_CONTROLLER(slot->pci_bus)->acpi_handle;
+
+                if (acpi_bus_get_device(phandle, &pdevice)) {
+                        dev_dbg(slot->pci_bus->self,
+                                "no parent device, assuming NULL\n");
+                        pdevice = NULL;
+                }
+
+                /*
+                 * Walk the rootbus node's immediate children looking for
+                 * the slot's device node(s). There can be more than
+                 * one for multifunction devices.
+                 */
+                for (;;) {
+                        rethandle = NULL;
+                        ret = acpi_get_next_object(ACPI_TYPE_DEVICE,
+                                                   phandle, chandle,
+                                                   &rethandle);
+
+                        if (ret == AE_NOT_FOUND || rethandle == NULL)
+                                break;
+
+                        chandle = rethandle;
+
+                        ret = acpi_evaluate_integer(chandle, METHOD_NAME__ADR,
+                                                    NULL, &adr);
+
+                        if (ACPI_SUCCESS(ret) &&
+                            (adr>>16) == (slot->device_num + 1)) {
+
+                                ret = acpi_bus_add(&device, pdevice, chandle,
+                                                   ACPI_BUS_TYPE_DEVICE);
+                                if (ACPI_FAILURE(ret)) {
+                                        printk(KERN_ERR "%s: acpi_bus_add "
+                                               "failed (0x%x) for slot %d "
+                                               "func %d\n", __FUNCTION__,
+                                               ret, (int)(adr>>16),
+                                               (int)(adr&0xffff));
+                                        /* try to continue on */
+                                } else {
+                                        acpi_bus_start(device);
+                                }
+                        }
+                }
+        }
+
         /* Call the driver for the new device */
         pci_bus_add_devices(slot->pci_bus);
         /* Call the drivers for the new devices subordinate to PPB */
@@ -412,6 +494,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
         struct pci_dev *dev;
         int func;
         int rc;
+        acpi_owner_id ssdt_id = 0;
 
         /* Acquire update access to the bus */
         mutex_lock(&sn_hotplug_mutex);
@@ -422,6 +505,52 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
         if (rc)
                 goto leaving;
 
+        /* free the ACPI resources for the slot */
+        if (SN_ACPI_BASE_SUPPORT() &&
+            PCI_CONTROLLER(slot->pci_bus)->acpi_handle) {
+                unsigned long adr;
+                struct acpi_device *device;
+                acpi_handle phandle;
+                acpi_handle chandle = NULL;
+                acpi_handle rethandle;
+                acpi_status ret;
+
+                /* Get the rootbus node pointer */
+                phandle = PCI_CONTROLLER(slot->pci_bus)->acpi_handle;
+
+                /*
+                 * Walk the rootbus node's immediate children looking for
+                 * the slot's device node(s). There can be more than
+                 * one for multifunction devices.
+                 */
+                for (;;) {
+                        rethandle = NULL;
+                        ret = acpi_get_next_object(ACPI_TYPE_DEVICE,
+                                                   phandle, chandle,
+                                                   &rethandle);
+
+                        if (ret == AE_NOT_FOUND || rethandle == NULL)
+                                break;
+
+                        chandle = rethandle;
+
+                        ret = acpi_evaluate_integer(chandle,
+                                                    METHOD_NAME__ADR,
+                                                    NULL, &adr);
+                        if (ACPI_SUCCESS(ret) &&
+                            (adr>>16) == (slot->device_num + 1)) {
+                                /* retain the owner id */
+                                acpi_get_id(chandle, &ssdt_id);
+
+                                ret = acpi_bus_get_device(chandle,
+                                                          &device);
+                                if (ACPI_SUCCESS(ret))
+                                        acpi_bus_trim(device, 1);
+                        }
+                }
+
+        }
+
         /* Free the SN resources assigned to the Linux device.*/
         for (func = 0; func < 8;  func++) {
                 dev = pci_get_slot(slot->pci_bus,
@@ -434,6 +563,18 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
                 }
         }
 
+        /* Remove the SSDT for the slot from the ACPI namespace */
+        if (SN_ACPI_BASE_SUPPORT() && ssdt_id) {
+                acpi_status ret;
+                ret = acpi_unload_table_id(ssdt_id);
+                if (ACPI_FAILURE(ret)) {
+                        printk(KERN_ERR "%s: acpi_unload_table_id "
+                               "failed (0x%x) for id %d\n",
+                               __FUNCTION__, ret, ssdt_id);
+                        /* try to continue on */
+                }
+        }
+
         /* free the collected sysdata pointers */
         sn_bus_free_sysdata();
 
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index ebc1f697615a..422f29c06c77 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20060707
+#define ACPI_CA_VERSION                 0x20070126
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
@@ -115,6 +115,10 @@
 
 #define ACPI_NUM_OWNERID_MASKS          8
 
+/* Size of the root table array is increased by this increment */
+
+#define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
+
 /******************************************************************************
  *
  * ACPI Specification constants (Do not change unless the specification changes)
@@ -152,6 +156,11 @@
 #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
+
 /* Constants used in searching for the RSDP in low memory */
 
 #define ACPI_EBDA_PTR_LOCATION          0x0000040E      /* Physical Address */
diff --git a/include/acpi/acdebug.h b/include/acpi/acdebug.h
index d8167095caf3..d626bb1d2973 100644
--- a/include/acpi/acdebug.h
+++ b/include/acpi/acdebug.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -159,6 +159,10 @@ void
 acpi_db_create_execution_threads(char *num_threads_arg,
                                  char *num_loops_arg, char *method_name_arg);
 
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+u32 acpi_db_get_cache_info(struct acpi_memory_list *cache);
+#endif
+
 /*
  * dbfileio - Debugger file I/O commands
  */
@@ -214,4 +218,6 @@ void acpi_db_prep_namestring(char *name);
 
 struct acpi_namespace_node *acpi_db_local_ns_lookup(char *name);
 
+void acpi_db_uint32_to_hex_string(u32 value, char *buffer);
+
 #endif                          /* __ACDEBUG_H__ */
diff --git a/include/acpi/acdisasm.h b/include/acpi/acdisasm.h
index 9a7d6921f534..389d772c7d5b 100644
--- a/include/acpi/acdisasm.h
+++ b/include/acpi/acdisasm.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -97,9 +97,11 @@ typedef const struct acpi_dmtable_info {
 #define ACPI_DMT_CHKSUM                 20
 #define ACPI_DMT_SPACEID                21
 #define ACPI_DMT_GAS                    22
-#define ACPI_DMT_MADT                   23
-#define ACPI_DMT_SRAT                   24
-#define ACPI_DMT_EXIT                   25
+#define ACPI_DMT_DMAR                   23
+#define ACPI_DMT_MADT                   24
+#define ACPI_DMT_SRAT                   25
+#define ACPI_DMT_EXIT                   26
+#define ACPI_DMT_SIG                    27
 
 typedef
 void (*ACPI_TABLE_HANDLER) (struct acpi_table_header * table);
@@ -108,6 +110,7 @@ struct acpi_dmtable_data {
         char *signature;
         struct acpi_dmtable_info *table_info;
         ACPI_TABLE_HANDLER table_handler;
+        char *name;
 };
 
 struct acpi_op_walk_info {
@@ -139,7 +142,9 @@ 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[];
@@ -147,6 +152,11 @@ extern struct acpi_dmtable_info acpi_dm_table_info_boot[];
 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_ecdt[];
 extern struct acpi_dmtable_info acpi_dm_table_info_facs[];
 extern struct acpi_dmtable_info acpi_dm_table_info_fadt1[];
@@ -201,6 +211,8 @@ 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_fadt(struct acpi_table_header *table);
 
 void acpi_dm_dump_srat(struct acpi_table_header *table);
@@ -314,7 +326,7 @@ acpi_dm_resource_template(struct acpi_op_walk_info *info,
                           union acpi_parse_object *op,
                           u8 * byte_data, u32 byte_count);
 
-u8 acpi_dm_is_resource_template(union acpi_parse_object *op);
+acpi_status acpi_dm_is_resource_template(union acpi_parse_object *op);
 
 void acpi_dm_indent(u32 level);
 
diff --git a/include/acpi/acdispat.h b/include/acpi/acdispat.h
index a22fe9cf8493..cb8d2868c8ac 100644
--- a/include/acpi/acdispat.h
+++ b/include/acpi/acdispat.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -210,7 +210,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
  * dsinit
  */
 acpi_status
-acpi_ds_initialize_objects(struct acpi_table_desc *table_desc,
+acpi_ds_initialize_objects(acpi_native_uint table_index,
                            struct acpi_namespace_node *start_node);
 
 /*
diff --git a/include/acpi/acevents.h b/include/acpi/acevents.h
index 234142828e1a..d23cdf326808 100644
--- a/include/acpi/acevents.h
+++ b/include/acpi/acevents.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 797ca1ea5214..b73f18a48785 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -178,8 +178,10 @@
 #define AE_CTRL_BREAK                   (acpi_status) (0x0009 | AE_CODE_CONTROL)
 #define AE_CTRL_CONTINUE                (acpi_status) (0x000A | AE_CODE_CONTROL)
 #define AE_CTRL_SKIP                    (acpi_status) (0x000B | AE_CODE_CONTROL)
+#define AE_CTRL_PARSE_CONTINUE          (acpi_status) (0x000C | AE_CODE_CONTROL)
+#define AE_CTRL_PARSE_PENDING           (acpi_status) (0x000D | AE_CODE_CONTROL)
 
-#define AE_CODE_CTRL_MAX                0x000B
+#define AE_CODE_CTRL_MAX                0x000D
 
 #ifdef DEFINE_ACPI_GLOBALS
 
@@ -291,7 +293,9 @@ char const *acpi_gbl_exception_names_ctrl[] = {
         "AE_CTRL_TRANSFER",
         "AE_CTRL_BREAK",
         "AE_CTRL_CONTINUE",
-        "AE_CTRL_SKIP"
+        "AE_CTRL_SKIP",
+        "AE_CTRL_PARSE_CONTINUE",
+        "AE_CTRL_PARSE_PENDING"
 };
 
 #endif                          /* ACPI GLOBALS */
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index 06972e6637de..24c3f05ab367 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -58,37 +58,6 @@
 #define ACPI_INIT_GLOBAL(a,b) a
 #endif
 
-/*
- * Keep local copies of these FADT-based registers.  NOTE: These globals
- * are first in this file for alignment reasons on 64-bit systems.
- */
-ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
-ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
-
-/*****************************************************************************
- *
- * Debug support
- *
- ****************************************************************************/
-
-/* Runtime configuration of debug print levels */
-
-extern u32 acpi_dbg_level;
-extern u32 acpi_dbg_layer;
-
-/* Procedure nesting level for debug output */
-
-extern u32 acpi_gbl_nesting_level;
-
-/* Support for dynamic control method tracing mechanism */
-
-ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
-ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
-ACPI_EXTERN acpi_name acpi_gbl_trace_method_name;
-ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
-ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
-ACPI_EXTERN u32 acpi_gbl_trace_flags;
-
 /*****************************************************************************
  *
  * Runtime configuration (static defaults that can be overriden at runtime)
@@ -135,52 +104,62 @@ ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
 
 /*****************************************************************************
  *
+ * Debug support
+ *
+ ****************************************************************************/
+
+/* Runtime configuration of debug print levels */
+
+extern u32 acpi_dbg_level;
+extern u32 acpi_dbg_layer;
+
+/* Procedure nesting level for debug output */
+
+extern u32 acpi_gbl_nesting_level;
+
+/* Event counters */
+
+ACPI_EXTERN u32 acpi_gpe_count;
+
+/* Support for dynamic control method tracing mechanism */
+
+ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
+ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
+ACPI_EXTERN acpi_name acpi_gbl_trace_method_name;
+ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
+ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
+ACPI_EXTERN u32 acpi_gbl_trace_flags;
+
+/*****************************************************************************
+ *
  * ACPI Table globals
  *
  ****************************************************************************/
 
 /*
- * Table pointers.
- * Although these pointers are somewhat redundant with the global acpi_table,
- * they are convenient because they are typed pointers.
+ * acpi_gbl_root_table_list is the master list of ACPI tables found in the
+ * RSDT/XSDT.
  *
- * These tables are single-table only; meaning that there can be at most one
- * of each in the system.  Each global points to the actual table.
- */
-ACPI_EXTERN u32 acpi_gbl_table_flags;
-ACPI_EXTERN u32 acpi_gbl_rsdt_table_count;
-ACPI_EXTERN struct rsdp_descriptor *acpi_gbl_RSDP;
-ACPI_EXTERN struct xsdt_descriptor *acpi_gbl_XSDT;
-ACPI_EXTERN struct fadt_descriptor *acpi_gbl_FADT;
-ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT;
-ACPI_EXTERN struct facs_descriptor *acpi_gbl_FACS;
-ACPI_EXTERN struct acpi_common_facs acpi_gbl_common_fACS;
-/*
- * Since there may be multiple SSDTs and PSDTs, a single pointer is not
- * sufficient; Therefore, there isn't one!
+ * acpi_gbl_FADT is a local copy of the FADT, converted to a common format.
  */
+ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list;
+ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT;
+extern acpi_native_uint acpi_gbl_permanent_mmap;
 
-/* The root table can be either an RSDT or an XSDT */
+/* These addresses are calculated from FADT address values */
 
-ACPI_EXTERN u8 acpi_gbl_root_table_type;
-#define     ACPI_TABLE_TYPE_RSDT        'R'
-#define     ACPI_TABLE_TYPE_XSDT        'X'
+ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
+ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
 
 /*
- * Handle both ACPI 1.0 and ACPI 2.0 Integer widths:
- * If we are executing a method that exists in a 32-bit ACPI table,
- * use only the lower 32 bits of the (internal) 64-bit Integer.
+ * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
+ * determined by the revision of the DSDT: If the DSDT revision is less than
+ * 2, use only the lower 32 bits of the internal 64-bit Integer.
  */
 ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
 ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
 ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
 
-/*
- * ACPI Table info arrays
- */
-extern struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1];
-extern struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1];
-
 /*****************************************************************************
  *
  * Mutual exlusion within ACPICA subsystem
@@ -188,7 +167,7 @@ extern struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1];
  ****************************************************************************/
 
 /*
- * Predefined mutex objects.  This array contains the
+ * Predefined mutex objects. This array contains the
  * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
  * (The table maps local handles to the real OS handles)
  */
@@ -197,6 +176,7 @@ ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX];
 /*
  * Global lock semaphore works in conjunction with the actual HW global lock
  */
+ACPI_EXTERN acpi_mutex acpi_gbl_global_lock_mutex;
 ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore;
 
 /*
@@ -220,6 +200,7 @@ ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock;	/* For ACPI H/W except GPE regis
 
 ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
 ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
+ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats;
 #endif
 
 /* Object caches */
@@ -240,7 +221,6 @@ ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
 
 /* Misc */
 
-ACPI_EXTERN u32 acpi_gbl_global_lock_thread_count;
 ACPI_EXTERN u32 acpi_gbl_original_mode;
 ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
 ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;
@@ -260,12 +240,19 @@ ACPI_EXTERN u8 acpi_gbl_system_awake_and_running;
 
 extern u8 acpi_gbl_shutdown;
 extern u32 acpi_gbl_startup_flags;
-extern const u8 acpi_gbl_decode_to8bit[8];
 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
 extern const char *acpi_gbl_highest_dstate_names[4];
 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
 
+/* Exception codes */
+
+extern char const *acpi_gbl_exception_names_env[];
+extern char const *acpi_gbl_exception_names_pgm[];
+extern char const *acpi_gbl_exception_names_tbl[];
+extern char const *acpi_gbl_exception_names_aml[];
+extern char const *acpi_gbl_exception_names_ctrl[];
+
 /*****************************************************************************
  *
  * Namespace globals
diff --git a/include/acpi/achware.h b/include/acpi/achware.h
index 29b60a8c0593..9df275cf7bc1 100644
--- a/include/acpi/achware.h
+++ b/include/acpi/achware.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -61,8 +61,6 @@
 /*
  * hwacpi - high level functions
  */
-acpi_status acpi_hw_initialize(void);
-
 acpi_status acpi_hw_set_mode(u32 mode);
 
 u32 acpi_hw_get_mode(void);
@@ -84,7 +82,7 @@ acpi_hw_low_level_read(u32 width,
 acpi_status
 acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address *reg);
 
-acpi_status acpi_hw_clear_acpi_status(u32 flags);
+acpi_status acpi_hw_clear_acpi_status(void);
 
 /*
  * hwgpe - GPE support
diff --git a/include/acpi/acinterp.h b/include/acpi/acinterp.h
index 91586d0d5bb5..ce7c9d653910 100644
--- a/include/acpi/acinterp.h
+++ b/include/acpi/acinterp.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -277,12 +277,6 @@ acpi_status acpi_ex_system_do_suspend(acpi_integer time);
 
 acpi_status acpi_ex_system_do_stall(u32 time);
 
-acpi_status
-acpi_ex_system_acquire_mutex(union acpi_operand_object *time,
-                             union acpi_operand_object *obj_desc);
-
-acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc);
-
 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
 
 acpi_status
@@ -451,10 +445,14 @@ acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
 /*
  * exutils - interpreter/scanner utilities
  */
-acpi_status acpi_ex_enter_interpreter(void);
+void acpi_ex_enter_interpreter(void);
 
 void acpi_ex_exit_interpreter(void);
 
+void acpi_ex_reacquire_interpreter(void);
+
+void acpi_ex_relinquish_interpreter(void);
+
 void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
 
 u8 acpi_ex_acquire_global_lock(u32 rule);
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 063c4b54290f..6f83ddbed3af 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -80,8 +80,8 @@ union acpi_parse_object;
  * table below also!
  */
 #define ACPI_MTX_INTERPRETER            0       /* AML Interpreter, main lock */
-#define ACPI_MTX_TABLES                 1       /* Data for ACPI tables */
-#define ACPI_MTX_NAMESPACE              2       /* ACPI Namespace */
+#define ACPI_MTX_NAMESPACE              1       /* ACPI Namespace */
+#define ACPI_MTX_TABLES                 2       /* Data for ACPI tables */
 #define ACPI_MTX_EVENTS                 3       /* Data for ACPI events */
 #define ACPI_MTX_CACHES                 4       /* Internal caches, general purposes */
 #define ACPI_MTX_MEMORY                 5       /* Debug memory tracking lists */
@@ -162,7 +162,7 @@ struct acpi_mutex_info {
 typedef enum {
         ACPI_IMODE_LOAD_PASS1 = 0x01,
         ACPI_IMODE_LOAD_PASS2 = 0x02,
-        ACPI_IMODE_EXECUTE = 0x0E
+        ACPI_IMODE_EXECUTE = 0x03
 } acpi_interpreter_mode;
 
 union acpi_name_union {
@@ -204,7 +204,7 @@ struct acpi_namespace_node {
 /* Namespace Node flags */
 
 #define ANOBJ_END_OF_PEER_LIST          0x01    /* End-of-list, Peer field points to parent */
-#define ANOBJ_RESERVED                  0x02    /* Available for future use */
+#define ANOBJ_TEMPORARY                 0x02    /* Node is create by a method and is temporary */
 #define ANOBJ_METHOD_ARG                0x04    /* Node is a method argument */
 #define ANOBJ_METHOD_LOCAL              0x08    /* Node is a method local */
 #define ANOBJ_SUBTREE_HAS_INI           0x10    /* Used to optimize device initialization */
@@ -219,25 +219,42 @@ struct acpi_namespace_node {
  * ACPI Table Descriptor.  One per ACPI table
  */
 struct acpi_table_desc {
-        struct acpi_table_desc *prev;
-        struct acpi_table_desc *next;
-        struct acpi_table_desc *installed_desc;
+        acpi_physical_address address;
         struct acpi_table_header *pointer;
-        u8 *aml_start;
-        u64 physical_address;
-        acpi_size length;
-        u32 aml_length;
+        u32 length;             /* Length fixed at 32 bits */
+        union acpi_name_union signature;
         acpi_owner_id owner_id;
-        u8 type;
-        u8 allocation;
-        u8 loaded_into_namespace;
+        u8 flags;
 };
 
-struct acpi_table_list {
-        struct acpi_table_desc *next;
+/* 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 {
+        struct acpi_table_desc *tables;
         u32 count;
+        u32 size;
+        u8 flags;
 };
 
+/* Flags for above */
+
+#define ACPI_ROOT_ORIGIN_UNKNOWN        (0)     /* ~ORIGIN_ALLOCATED */
+#define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
+#define ACPI_ROOT_ALLOW_RESIZE          (2)
+
+/* Predefined (fixed) table indexes */
+
+#define ACPI_TABLE_INDEX_DSDT           (0)
+#define ACPI_TABLE_INDEX_FACS           (1)
+
 struct acpi_find_context {
         char *search_for;
         acpi_handle *list;
@@ -350,7 +367,7 @@ struct acpi_gpe_event_info {
         union acpi_gpe_dispatch_info dispatch;  /* Either Method or Handler */
         struct acpi_gpe_register_info *register_info;   /* Backpointer to register info */
         u8 flags;               /* Misc info about this GPE */
-        u8 register_bit;        /* This GPE bit within the register */
+        u8 gpe_number;          /* This GPE */
 };
 
 /* Information about a GPE register pair, one per each status/enable pair in an array */
@@ -855,12 +872,30 @@ struct acpi_bit_register_info {
  ****************************************************************************/
 
 struct acpi_db_method_info {
-        acpi_handle thread_gate;
+        acpi_handle main_thread_gate;
+        acpi_handle thread_complete_gate;
+        u32 *threads;
+        u32 num_threads;
+        u32 num_created;
+        u32 num_completed;
+
         char *name;
-        char **args;
         u32 flags;
         u32 num_loops;
         char pathname[128];
+        char **args;
+
+        /*
+         * Arguments to be passed to method for the command
+         * Threads -
+         *   the Number of threads, ID of current thread and
+         *   Index of current thread inside all them created.
+         */
+        char init_args;
+        char *arguments[4];
+        char num_threads_str[11];
+        char id_of_thread_str[11];
+        char index_of_thread_str[11];
 };
 
 struct acpi_integrity_info {
@@ -919,6 +954,8 @@ struct acpi_memory_list {
 
         u32 total_allocated;
         u32 total_freed;
+        u32 max_occupied;
+        u32 total_size;
         u32 current_total_size;
         u32 requests;
         u32 hits;
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 192fa095a515..8948a6461834 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -55,25 +55,12 @@
 #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]))
 
-#if ACPI_MACHINE_WIDTH == 16
-
-/*
- * For 16-bit addresses, we have to assume that the upper 32 bits
- * (out of 64) are zero.
- */
-#define ACPI_LODWORD(l)                 ((u32)(l))
-#define ACPI_HIDWORD(l)                 ((u32)(0))
-
-#define ACPI_GET_ADDRESS(a)             ((a).lo)
-#define ACPI_STORE_ADDRESS(a,b)         {(a).hi=0;(a).lo=(u32)(b);}
-#define ACPI_VALID_ADDRESS(a)           ((a).hi | (a).lo)
-
-#else
 #ifdef ACPI_NO_INTEGER64_SUPPORT
 /*
  * acpi_integer is 32-bits, no 64-bit support on this platform
@@ -81,10 +68,6 @@
 #define ACPI_LODWORD(l)                 ((u32)(l))
 #define ACPI_HIDWORD(l)                 ((u32)(0))
 
-#define ACPI_GET_ADDRESS(a)             (a)
-#define ACPI_STORE_ADDRESS(a,b)         ((a)=(b))
-#define ACPI_VALID_ADDRESS(a)           (a)
-
 #else
 
 /*
@@ -92,11 +75,6 @@
  */
 #define ACPI_LODWORD(l)                 ((u32)(u64)(l))
 #define ACPI_HIDWORD(l)                 ((u32)(((*(struct uint64_struct *)(void *)(&l))).hi))
-
-#define ACPI_GET_ADDRESS(a)             (a)
-#define ACPI_STORE_ADDRESS(a,b)         ((a)=(acpi_physical_address)(b))
-#define ACPI_VALID_ADDRESS(a)           (a)
-#endif
 #endif
 
 /*
@@ -134,15 +112,8 @@
 #define ACPI_TO_POINTER(i)              ACPI_ADD_PTR (void,(void *) NULL,(acpi_native_uint) 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)
-
-#if ACPI_MACHINE_WIDTH == 16
-#define ACPI_STORE_POINTER(d,s)         ACPI_MOVE_32_TO_32(d,s)
-#define ACPI_PHYSADDR_TO_PTR(i)         (void *)(i)
-#define ACPI_PTR_TO_PHYSADDR(i)         (u32) ACPI_CAST_PTR (u8,(i))
-#else
 #define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
 #define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
-#endif
 
 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
 #define ACPI_COMPARE_NAME(a,b)          (*ACPI_CAST_PTR (u32,(a)) == *ACPI_CAST_PTR (u32,(b)))
@@ -223,28 +194,6 @@
 
 /* The hardware supports unaligned transfers, just do the little-endian move */
 
-#if ACPI_MACHINE_WIDTH == 16
-
-/* No 64-bit integers */
-/* 16-bit source, 16/32/64 destination */
-
-#define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
-#define ACPI_MOVE_16_TO_32(d,s)         *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
-#define ACPI_MOVE_16_TO_64(d,s)         ACPI_MOVE_16_TO_32(d,s)
-
-/* 32-bit source, 16/32/64 destination */
-
-#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
-#define ACPI_MOVE_32_TO_32(d,s)         *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
-#define ACPI_MOVE_32_TO_64(d,s)         ACPI_MOVE_32_TO_32(d,s)
-
-/* 64-bit source, 16/32/64 destination */
-
-#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
-#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
-#define ACPI_MOVE_64_TO_64(d,s)         ACPI_MOVE_32_TO_32(d,s)
-
-#else
 /* 16-bit source, 16/32/64 destination */
 
 #define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
@@ -262,7 +211,6 @@
 #define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s) /* Truncate to 16 */
 #define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s) /* Truncate to 32 */
 #define ACPI_MOVE_64_TO_64(d,s)         *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
-#endif
 
 #else
 /*
@@ -307,10 +255,7 @@
 
 /* Macros based on machine integer width */
 
-#if ACPI_MACHINE_WIDTH == 16
-#define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_16_TO_16(d,s)
-
-#elif ACPI_MACHINE_WIDTH == 32
+#if ACPI_MACHINE_WIDTH == 32
 #define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_32_TO_16(d,s)
 
 #elif ACPI_MACHINE_WIDTH == 64
@@ -695,16 +640,6 @@
 #define ACPI_DEBUGGER_EXEC(a)
 #endif
 
-/*
- * For 16-bit code, we want to shrink some things even though
- * we are using ACPI_DEBUG_OUTPUT to get the debug output
- */
-#if ACPI_MACHINE_WIDTH == 16
-#undef ACPI_DEBUG_ONLY_MEMBERS
-#undef _VERBOSE_STRUCTURES
-#define ACPI_DEBUG_ONLY_MEMBERS(a)
-#endif
-
 #ifdef ACPI_DEBUG_OUTPUT
 /*
  * 1) Set name to blanks
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index b67da3636899..34bfae8a05f3 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/acnamesp.h b/include/acpi/acnamesp.h
index 83b52f9f899a..535b7e1c41bc 100644
--- a/include/acpi/acnamesp.h
+++ b/include/acpi/acnamesp.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -65,9 +65,13 @@
 #define ACPI_NS_ERROR_IF_FOUND      0x08
 #define ACPI_NS_PREFIX_IS_SCOPE     0x10
 #define ACPI_NS_EXTERNAL            0x20
+#define ACPI_NS_TEMPORARY           0x40
 
-#define ACPI_NS_WALK_UNLOCK         TRUE
-#define ACPI_NS_WALK_NO_UNLOCK      FALSE
+/* Flags for acpi_ns_walk_namespace */
+
+#define ACPI_NS_WALK_NO_UNLOCK      0
+#define ACPI_NS_WALK_UNLOCK         0x01
+#define ACPI_NS_WALK_TEMP_NODES     0x02
 
 /*
  * nsinit - Namespace initialization
@@ -82,7 +86,7 @@ acpi_status acpi_ns_initialize_devices(void);
 acpi_status acpi_ns_load_namespace(void);
 
 acpi_status
-acpi_ns_load_table(struct acpi_table_desc *table_desc,
+acpi_ns_load_table(acpi_native_uint table_index,
                    struct acpi_namespace_node *node);
 
 /*
@@ -92,7 +96,7 @@ acpi_status
 acpi_ns_walk_namespace(acpi_object_type type,
                        acpi_handle start_object,
                        u32 max_depth,
-                       u8 unlock_before_callback,
+                       u32 flags,
                        acpi_walk_callback user_function,
                        void *context, void **return_value);
 
@@ -106,11 +110,12 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
  * nsparse - table parsing
  */
 acpi_status
-acpi_ns_parse_table(struct acpi_table_desc *table_desc,
-                    struct acpi_namespace_node *scope);
+acpi_ns_parse_table(acpi_native_uint table_index,
+                    struct acpi_namespace_node *start_node);
 
 acpi_status
-acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc);
+acpi_ns_one_complete_parse(acpi_native_uint pass_number,
+                           acpi_native_uint table_index);
 
 /*
  * nsaccess - Top-level namespace access
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index 8fdee31119f3..04e9735a6742 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,7 +52,15 @@
  * to the interpreter, and to keep track of the various handlers such as
  * address space handlers and notify handlers. The object is a constant
  * size in order to allow it to be cached and reused.
+ *
+ * Note: The object is optimized to be aligned and will not work if it is
+ * byte-packed.
  */
+#if ACPI_MACHINE_WIDTH == 64
+#pragma pack(8)
+#else
+#pragma pack(4)
+#endif
 
 /*******************************************************************************
  *
@@ -101,7 +109,8 @@ struct acpi_object_common {
 ACPI_OBJECT_COMMON_HEADER};
 
 struct acpi_object_integer {
-        ACPI_OBJECT_COMMON_HEADER acpi_integer value;
+        ACPI_OBJECT_COMMON_HEADER u8 fill[3];   /* Prevent warning on some compilers */
+        acpi_integer value;
 };
 
 /*
@@ -203,7 +212,9 @@ struct acpi_object_power_resource {
 };
 
 struct acpi_object_processor {
-        ACPI_OBJECT_COMMON_HEADER u8 proc_id;
+        ACPI_OBJECT_COMMON_HEADER
+            /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */
+        u8 proc_id;
         u8 length;
          ACPI_COMMON_NOTIFY_INFO acpi_io_address address;
 };
@@ -406,4 +417,6 @@ union acpi_descriptor {
         union acpi_parse_object op;
 };
 
+#pragma pack()
+
 #endif                          /* _ACOBJECT_H */
diff --git a/include/acpi/acopcode.h b/include/acpi/acopcode.h
index 7659a46bc432..e6f76a280a94 100644
--- a/include/acpi/acopcode.h
+++ b/include/acpi/acopcode.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -257,7 +257,7 @@
 #define ARGI_LLESSEQUAL_OP              ARGI_INVALID_OPCODE
 #define ARGI_LNOT_OP                    ARGI_LIST1 (ARGI_INTEGER)
 #define ARGI_LNOTEQUAL_OP               ARGI_INVALID_OPCODE
-#define ARGI_LOAD_OP                    ARGI_LIST2 (ARGI_REGION_OR_FIELD,ARGI_TARGETREF)
+#define ARGI_LOAD_OP                    ARGI_LIST2 (ARGI_REGION_OR_BUFFER,ARGI_TARGETREF)
 #define ARGI_LOAD_TABLE_OP              ARGI_LIST6 (ARGI_STRING,     ARGI_STRING,        ARGI_STRING,       ARGI_STRING,    ARGI_STRING, ARGI_ANYTYPE)
 #define ARGI_LOCAL0                     ARG_NONE
 #define ARGI_LOCAL1                     ARG_NONE
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index 8d5039d0b430..7812267b577f 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/acparser.h b/include/acpi/acparser.h
index 9d49d3c41cd9..85c358e21014 100644
--- a/include/acpi/acparser.h
+++ b/include/acpi/acparser.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/acpi.h b/include/acpi/acpi.h
index b9a39d1009bd..2e5f00d3ea0d 100644
--- a/include/acpi/acpi.h
+++ b/include/acpi/acpi.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index fdd10953b2b6..aef0e55253a9 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -59,7 +59,6 @@ acpi_evaluate_reference(acpi_handle handle,
 
 #define ACPI_BUS_FILE_ROOT      "acpi"
 extern struct proc_dir_entry *acpi_root_dir;
-extern struct fadt_descriptor acpi_fadt;
 
 enum acpi_bus_removal_type {
         ACPI_BUS_REMOVAL_NORMAL = 0,
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 6a5bdcefec64..baaa734b1098 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -37,7 +37,7 @@
 /* _HID definitions */
 
 #define ACPI_POWER_HID                  "ACPI_PWR"
-#define ACPI_PROCESSOR_HID              "ACPI_CPU"
+#define ACPI_PROCESSOR_HID              "ACPI0007"
 #define ACPI_SYSTEM_HID                 "ACPI_SYS"
 #define ACPI_THERMAL_HID                "ACPI_THM"
 #define ACPI_BUTTON_HID_POWERF          "ACPI_FPB"
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 0cd63bce0ae4..781394b9efe0 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -8,7 +8,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -85,7 +85,7 @@ acpi_status acpi_os_terminate(void);
 /*
  * ACPI Table interfaces
  */
-acpi_status acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *address);
+acpi_physical_address acpi_os_get_root_pointer(void);
 
 acpi_status
 acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
@@ -143,9 +143,7 @@ void acpi_os_release_mutex(acpi_mutex handle);
  */
 void *acpi_os_allocate(acpi_size size);
 
-acpi_status
-acpi_os_map_memory(acpi_physical_address physical_address,
-                   acpi_size size, void __iomem ** logical_address);
+void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_native_uint length);
 
 void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
 
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 81458767a90e..e08f7df85a4f 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -51,6 +51,10 @@
 /*
  * Global interfaces
  */
+acpi_status
+acpi_initialize_tables(struct acpi_table_desc *initial_storage,
+                       u32 initial_table_count, u8 allow_resize);
+
 acpi_status acpi_initialize_subsystem(void);
 
 acpi_status acpi_enable_subsystem(u32 flags);
@@ -92,30 +96,28 @@ void acpi_free(void *address);
 /*
  * ACPI table manipulation interfaces
  */
-acpi_status
-acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address);
+acpi_status acpi_reallocate_root_table(void);
+
+acpi_status acpi_find_root_pointer(acpi_native_uint * rsdp_address);
 
 acpi_status acpi_load_tables(void);
 
 acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
 
-acpi_status acpi_unload_table_id(acpi_table_type table_type, acpi_owner_id id);
+acpi_status acpi_unload_table_id(acpi_owner_id id);
 
-#ifdef ACPI_FUTURE_USAGE
-acpi_status acpi_unload_table(acpi_table_type table_type);
 acpi_status
-acpi_get_table_header(acpi_table_type table_type,
-                      u32 instance, struct acpi_table_header *out_table_header);
-#endif                          /*  ACPI_FUTURE_USAGE  */
+acpi_get_table_header(acpi_string signature,
+                      acpi_native_uint instance,
+                      struct acpi_table_header *out_table_header);
 
 acpi_status
-acpi_get_table(acpi_table_type table_type,
-               u32 instance, struct acpi_buffer *ret_buffer);
+acpi_get_table(acpi_string signature,
+               acpi_native_uint instance, struct acpi_table_header **out_table);
 
 acpi_status
-acpi_get_firmware_table(acpi_string signature,
-                        u32 instance,
-                        u32 flags, struct acpi_table_header **table_pointer);
+acpi_get_table_by_index(acpi_native_uint table_index,
+                        struct acpi_table_header **out_table);
 
 /*
  * Namespace and name interfaces
@@ -310,9 +312,9 @@ acpi_resource_to_address64(struct acpi_resource *resource,
 /*
  * Hardware (ACPI device) interfaces
  */
-acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags);
+acpi_status acpi_get_register(u32 register_id, u32 * return_value);
 
-acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags);
+acpi_status acpi_set_register(u32 register_id, u32 value);
 
 acpi_status
 acpi_set_firmware_waking_vector(acpi_physical_address physical_address);
diff --git a/include/acpi/acresrc.h b/include/acpi/acresrc.h
index 80a3b33571b4..9486ab266a5e 100644
--- a/include/acpi/acresrc.h
+++ b/include/acpi/acresrc.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h
index 5e8095f0f78f..aeb4498e5e06 100644
--- a/include/acpi/acstruct.h
+++ b/include/acpi/acstruct.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -139,7 +139,8 @@ struct acpi_init_walk_info {
         u16 buffer_init;
         u16 package_init;
         u16 object_count;
-        struct acpi_table_desc *table_desc;
+        acpi_owner_id owner_id;
+        acpi_native_uint table_index;
 };
 
 struct acpi_get_devices_info {
diff --git a/include/acpi/actables.h b/include/acpi/actables.h
index 4dbaf02fe526..2b9f46f9da4d 100644
--- a/include/acpi/actables.h
+++ b/include/acpi/actables.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,105 +44,75 @@
 #ifndef __ACTABLES_H__
 #define __ACTABLES_H__
 
-/* Used in acpi_tb_map_acpi_table for size parameter if table header is to be used */
-
-#define SIZE_IN_HEADER          0
+acpi_status acpi_allocate_root_table(u32 initial_table_count);
 
 /*
- * tbconvrt - Table conversion routines
+ * tbfadt - FADT parse/convert/validate
  */
-acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info);
-
-acpi_status acpi_tb_convert_table_fadt(void);
+void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags);
 
-acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info);
-
-u32
-acpi_tb_get_table_count(struct rsdp_descriptor *RSDP,
-                        struct acpi_table_header *RSDT);
+void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
 
 /*
- * tbget - Table "get" routines
+ * tbfind - find ACPI table
  */
 acpi_status
-acpi_tb_get_table(struct acpi_pointer *address,
-                  struct acpi_table_desc *table_info);
-
-acpi_status
-acpi_tb_get_table_header(struct acpi_pointer *address,
-                         struct acpi_table_header *return_header);
-
-acpi_status
-acpi_tb_get_table_body(struct acpi_pointer *address,
-                       struct acpi_table_header *header,
-                       struct acpi_table_desc *table_info);
-
-acpi_status
-acpi_tb_get_table_ptr(acpi_table_type table_type,
-                      u32 instance, struct acpi_table_header **table_ptr_loc);
-
-acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address);
-
-void acpi_tb_get_rsdt_address(struct acpi_pointer *out_address);
-
-acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr);
+acpi_tb_find_table(char *signature,
+                   char *oem_id,
+                   char *oem_table_id, acpi_native_uint * table_index);
 
 /*
- * tbgetall - get multiple required tables
+ * tbinstal - Table removal and deletion
  */
-acpi_status acpi_tb_get_required_tables(void);
+acpi_status acpi_tb_resize_root_table_list(void);
 
-/*
- * tbinstall - Table installation
- */
-acpi_status acpi_tb_install_table(struct acpi_table_desc *table_info);
+acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc);
 
 acpi_status
-acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type);
+acpi_tb_add_table(struct acpi_table_desc *table_desc,
+                  acpi_native_uint * table_index);
 
 acpi_status
-acpi_tb_init_table_descriptor(acpi_table_type table_type,
-                              struct acpi_table_desc *table_info);
+acpi_tb_store_table(acpi_physical_address address,
+                    struct acpi_table_header *table,
+                    u32 length, u8 flags, acpi_native_uint * table_index);
 
-/*
- * tbremove - Table removal and deletion
- */
-void acpi_tb_delete_all_tables(void);
+void acpi_tb_delete_table(struct acpi_table_desc *table_desc);
 
-void acpi_tb_delete_tables_by_type(acpi_table_type type);
+void acpi_tb_terminate(void);
 
-void acpi_tb_delete_single_table(struct acpi_table_desc *table_desc);
+void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index);
 
-struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
-                                                *table_desc);
+acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index);
+
+acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index);
 
-/*
- * tbxfroot - RSDP, RSDT utilities
- */
 acpi_status
-acpi_tb_find_table(char *signature,
-                   char *oem_id,
-                   char *oem_table_id, struct acpi_table_header **table_ptr);
+acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id);
 
-acpi_status acpi_tb_get_table_rsdt(void);
+u8 acpi_tb_is_table_loaded(acpi_native_uint table_index);
 
-acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp);
+void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded);
 
 /*
- * tbutils - common table utilities
+ * tbutils - table manager utilities
  */
-acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc);
+u8 acpi_tb_tables_loaded(void);
 
-acpi_status
-acpi_tb_verify_table_checksum(struct acpi_table_header *table_header);
+void
+acpi_tb_print_table_header(acpi_physical_address address,
+                           struct acpi_table_header *header);
 
-u8 acpi_tb_sum_table(void *buffer, u32 length);
+u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length);
 
-u8 acpi_tb_generate_checksum(struct acpi_table_header *table);
+acpi_status
+acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
 
-void acpi_tb_set_checksum(struct acpi_table_header *table);
+void
+acpi_tb_install_table(acpi_physical_address address,
+                      u8 flags, char *signature, acpi_native_uint table_index);
 
 acpi_status
-acpi_tb_validate_table_header(struct acpi_table_header *table_header);
+acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags);
 
 #endif                          /* __ACTABLES_H__ */
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index b125ceed9cb7..09469e7db6a5 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,15 +48,15 @@
  * Values for description table header signatures. Useful because they make
  * it more difficult to inadvertently type in the wrong signature.
  */
-#define DSDT_SIG                "DSDT"  /* Differentiated System Description Table */
-#define FADT_SIG                "FACP"  /* Fixed ACPI Description Table */
-#define FACS_SIG                "FACS"  /* Firmware ACPI Control Structure */
-#define PSDT_SIG                "PSDT"  /* Persistent System Description Table */
-#define RSDP_SIG                "RSD PTR "      /* Root System Description Pointer */
-#define RSDT_SIG                "RSDT"  /* Root System Description Table */
-#define XSDT_SIG                "XSDT"  /* Extended  System Description Table */
-#define SSDT_SIG                "SSDT"  /* Secondary System Description Table */
-#define RSDP_NAME               "RSDP"
+#define ACPI_SIG_DSDT           "DSDT"  /* Differentiated System Description Table */
+#define ACPI_SIG_FADT           "FACP"  /* Fixed ACPI Description Table */
+#define ACPI_SIG_FACS           "FACS"  /* Firmware ACPI Control Structure */
+#define ACPI_SIG_PSDT           "PSDT"  /* Persistent System Description Table */
+#define ACPI_SIG_RSDP           "RSD PTR "      /* Root System Description Pointer */
+#define ACPI_SIG_RSDT           "RSDT"  /* Root System Description Table */
+#define ACPI_SIG_XSDT           "XSDT"  /* Extended  System Description Table */
+#define ACPI_SIG_SSDT           "SSDT"  /* Secondary System Description Table */
+#define ACPI_RSDP_NAME          "RSDP"  /* Short name for RSDP, not signature */
 
 /*
  * All tables and structures must be byte-packed to match the ACPI
@@ -83,27 +83,29 @@
  *
  ******************************************************************************/
 
-#define ACPI_TABLE_HEADER_DEF \
-        char                            signature[4];           /* ASCII table signature */\
-        u32                             length;                 /* Length of table in bytes, including this header */\
-        u8                              revision;               /* ACPI Specification minor version # */\
-        u8                              checksum;               /* To make sum of entire table == 0 */\
-        char                            oem_id[6];              /* ASCII OEM identification */\
-        char                            oem_table_id[8];        /* ASCII OEM table identification */\
-        u32                             oem_revision;           /* OEM revision number */\
-        char                            asl_compiler_id[4];     /* ASCII ASL compiler vendor ID */\
-        u32                             asl_compiler_revision;  /* ASL compiler version */
-
 struct acpi_table_header {
-ACPI_TABLE_HEADER_DEF};
+        char signature[ACPI_NAME_SIZE]; /* ASCII table signature */
+        u32 length;             /* Length of table in bytes, including this header */
+        u8 revision;            /* ACPI Specification minor version # */
+        u8 checksum;            /* To make sum of entire table == 0 */
+        char oem_id[ACPI_OEM_ID_SIZE];  /* ASCII OEM identification */
+        char oem_table_id[ACPI_OEM_TABLE_ID_SIZE];      /* ASCII OEM table identification */
+        u32 oem_revision;       /* OEM revision number */
+        char asl_compiler_id[ACPI_NAME_SIZE];   /* ASCII ASL compiler vendor ID */
+        u32 asl_compiler_revision;      /* ASL compiler version */
+};
 
 /*
  * GAS - Generic Address Structure (ACPI 2.0+)
+ *
+ * Note: Since this structure is used in the ACPI tables, it is byte aligned.
+ * If misalignment is not supported, access to the Address field must be
+ * performed with care.
  */
 struct acpi_generic_address {
-        u8 address_space_id;    /* Address space where struct or register exists */
-        u8 register_bit_width;  /* Size in bits of given register */
-        u8 register_bit_offset; /* Bit offset within the register */
+        u8 space_id;            /* Address space where struct or register exists */
+        u8 bit_width;           /* Size in bits of given register */
+        u8 bit_offset;          /* Bit offset within the register */
         u8 access_width;        /* Minimum Access size (ACPI 3.0) */
         u64 address;            /* 64-bit address of struct or register */
 };
@@ -114,10 +116,10 @@ struct acpi_generic_address {
  *
  ******************************************************************************/
 
-struct rsdp_descriptor {
+struct acpi_table_rsdp {
         char signature[8];      /* ACPI signature, contains "RSD PTR " */
         u8 checksum;            /* ACPI 1.0 checksum */
-        char oem_id[6];         /* OEM identification */
+        char oem_id[ACPI_OEM_ID_SIZE];  /* OEM identification */
         u8 revision;            /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
         u32 rsdt_physical_address;      /* 32-bit physical address of the RSDT */
         u32 length;             /* Table length in bytes, including header (ACPI 2.0+) */
@@ -134,12 +136,14 @@ struct rsdp_descriptor {
  *
  ******************************************************************************/
 
-struct rsdt_descriptor {
-        ACPI_TABLE_HEADER_DEF u32 table_offset_entry[1];        /* Array of pointers to ACPI tables */
+struct acpi_table_rsdt {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u32 table_offset_entry[1];      /* Array of pointers to ACPI tables */
 };
 
-struct xsdt_descriptor {
-        ACPI_TABLE_HEADER_DEF u64 table_offset_entry[1];        /* Array of pointers to ACPI tables */
+struct acpi_table_xsdt {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u64 table_offset_entry[1];      /* Array of pointers to ACPI tables */
 };
 
 /*******************************************************************************
@@ -148,36 +152,27 @@ struct xsdt_descriptor {
  *
  ******************************************************************************/
 
-struct facs_descriptor {
+struct acpi_table_facs {
         char signature[4];      /* ASCII table signature */
         u32 length;             /* Length of structure, in bytes */
         u32 hardware_signature; /* Hardware configuration signature */
         u32 firmware_waking_vector;     /* 32-bit physical address of the Firmware Waking Vector */
         u32 global_lock;        /* Global Lock for shared hardware resources */
-
-        /* Flags (32 bits) */
-
-        u8 S4bios_f:1;          /* 00:    S4BIOS support is present */
-         u8:7;                  /* 01-07: Reserved, must be zero */
-        u8 reserved1[3];        /* 08-31: Reserved, must be zero */
-
+        u32 flags;
         u64 xfirmware_waking_vector;    /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
         u8 version;             /* Version of this table (ACPI 2.0+) */
         u8 reserved[31];        /* Reserved, must be zero */
 };
 
+/* Flag macros */
+
+#define ACPI_FACS_S4_BIOS_PRESENT (1)   /* 00: S4BIOS support is present */
+
+/* Global lock flags */
+
 #define ACPI_GLOCK_PENDING      0x01    /* 00: Pending global lock ownership */
 #define ACPI_GLOCK_OWNED        0x02    /* 01: Global lock is owned */
 
-/*
- * Common FACS - This is a version-independent FACS structure used for internal use only
- */
-struct acpi_common_facs {
-        u32 *global_lock;
-        u64 *firmware_waking_vector;
-        u8 vector_width;
-};
-
 /*******************************************************************************
  *
  * FADT - Fixed ACPI Description Table (Signature "FACP")
@@ -186,121 +181,98 @@ struct acpi_common_facs {
 
 /* Fields common to all versions of the FADT */
 
-#define ACPI_FADT_COMMON \
-        ACPI_TABLE_HEADER_DEF \
-        u32                             V1_firmware_ctrl;   /* 32-bit physical address of FACS */ \
-        u32                             V1_dsdt;            /* 32-bit physical address of DSDT */ \
-        u8                              reserved1;          /* System Interrupt Model isn't used in ACPI 2.0*/ \
-        u8                              prefer_PM_profile;  /* Conveys preferred power management profile to OSPM. */ \
-        u16                             sci_int;            /* System vector of SCI interrupt */ \
-        u32                             smi_cmd;            /* Port address of SMI command port */ \
-        u8                              acpi_enable;        /* Value to write to smi_cmd to enable ACPI */ \
-        u8                              acpi_disable;       /* Value to write to smi_cmd to disable ACPI */ \
-        u8                              S4bios_req;         /* Value to write to SMI CMD to enter S4BIOS state */ \
-        u8                              pstate_cnt;         /* Processor performance state control*/ \
-        u32                             V1_pm1a_evt_blk;    /* Port address of Power Mgt 1a Event Reg Blk */ \
-        u32                             V1_pm1b_evt_blk;    /* Port address of Power Mgt 1b Event Reg Blk */ \
-        u32                             V1_pm1a_cnt_blk;    /* Port address of Power Mgt 1a Control Reg Blk */ \
-        u32                             V1_pm1b_cnt_blk;    /* Port address of Power Mgt 1b Control Reg Blk */ \
-        u32                             V1_pm2_cnt_blk;     /* Port address of Power Mgt 2 Control Reg Blk */ \
-        u32                             V1_pm_tmr_blk;      /* Port address of Power Mgt Timer Ctrl Reg Blk */ \
-        u32                             V1_gpe0_blk;        /* Port addr of General Purpose acpi_event 0 Reg Blk */ \
-        u32                             V1_gpe1_blk;        /* Port addr of General Purpose acpi_event 1 Reg Blk */ \
-        u8                              pm1_evt_len;        /* Byte Length of ports at pm1_x_evt_blk */ \
-        u8                              pm1_cnt_len;        /* Byte Length of ports at pm1_x_cnt_blk */ \
-        u8                              pm2_cnt_len;        /* Byte Length of ports at pm2_cnt_blk */ \
-        u8                              pm_tm_len;          /* Byte Length of ports at pm_tm_blk */ \
-        u8                              gpe0_blk_len;       /* Byte Length of ports at gpe0_blk */ \
-        u8                              gpe1_blk_len;       /* Byte Length of ports at gpe1_blk */ \
-        u8                              gpe1_base;          /* Offset in gpe model where gpe1 events start */ \
-        u8                              cst_cnt;            /* Support for the _CST object and C States change notification.*/ \
-        u16                             plvl2_lat;          /* Worst case HW latency to enter/exit C2 state */ \
-        u16                             plvl3_lat;          /* Worst case HW latency to enter/exit C3 state */ \
-        u16                             flush_size;         /* Processor's memory cache line width, in bytes */ \
-        u16                             flush_stride;       /* Number of flush strides that need to be read */ \
-        u8                              duty_offset;        /* Processor's duty cycle index in processor's P_CNT reg*/ \
-        u8                              duty_width;         /* Processor's duty cycle value bit width in P_CNT register.*/ \
-        u8                              day_alrm;           /* Index to day-of-month alarm in RTC CMOS RAM */ \
-        u8                              mon_alrm;           /* Index to month-of-year alarm in RTC CMOS RAM */ \
-        u8                              century;            /* Index to century in RTC CMOS RAM */ \
-        u16                             iapc_boot_arch;     /* IA-PC Boot Architecture Flags. See Table 5-10 for description*/ \
-        u8                              reserved2;          /* Reserved, must be zero */
-
-/*
- * ACPI 2.0+ FADT
- */
-struct fadt_descriptor {
-        ACPI_FADT_COMMON
-            /* Flags (32 bits) */
-        u8 wb_invd:1;           /* 00:    The wbinvd instruction works properly */
-        u8 wb_invd_flush:1;     /* 01:    The wbinvd flushes but does not invalidate */
-        u8 proc_c1:1;           /* 02:    All processors support C1 state */
-        u8 plvl2_up:1;          /* 03:    C2 state works on MP system */
-        u8 pwr_button:1;        /* 04:    Power button is handled as a generic feature */
-        u8 sleep_button:1;      /* 05:    Sleep button is handled as a generic feature, or not present */
-        u8 fixed_rTC:1;         /* 06:    RTC wakeup stat not in fixed register space */
-        u8 rtcs4:1;             /* 07:    RTC wakeup stat not possible from S4 */
-        u8 tmr_val_ext:1;       /* 08:    tmr_val is 32 bits 0=24-bits */
-        u8 dock_cap:1;          /* 09:    Docking supported */
-        u8 reset_reg_sup:1;     /* 10:    System reset via the FADT RESET_REG supported */
-        u8 sealed_case:1;       /* 11:    No internal expansion capabilities and case is sealed */
-        u8 headless:1;          /* 12:    No local video capabilities or local input devices */
-        u8 cpu_sw_sleep:1;      /* 13:    Must execute native instruction after writing SLP_TYPx register */
-
-        u8 pci_exp_wak:1;       /* 14:    System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
-        u8 use_platform_clock:1;        /* 15:    OSPM should use platform-provided timer (ACPI 3.0) */
-        u8 S4rtc_sts_valid:1;   /* 16:    Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
-        u8 remote_power_on_capable:1;   /* 17:    System is compatible with remote power on (ACPI 3.0) */
-        u8 force_apic_cluster_model:1;  /* 18:    All local APICs must use cluster model (ACPI 3.0) */
-        u8 force_apic_physical_destination_mode:1;      /* 19:   All local x_aPICs must use physical dest mode (ACPI 3.0) */
-         u8:4;                  /* 20-23: Reserved, must be zero */
-        u8 reserved3;           /* 24-31: Reserved, must be zero */
-
-        struct acpi_generic_address reset_register;     /* Reset register address in GAS format */
+struct acpi_table_fadt {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u32 facs;               /* 32-bit physical address of FACS */
+        u32 dsdt;               /* 32-bit physical address of DSDT */
+        u8 model;               /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
+        u8 preferred_profile;   /* Conveys preferred power management profile to OSPM. */
+        u16 sci_interrupt;      /* System vector of SCI interrupt */
+        u32 smi_command;        /* 32-bit Port address of SMI command port */
+        u8 acpi_enable;         /* Value to write to smi_cmd to enable ACPI */
+        u8 acpi_disable;        /* Value to write to smi_cmd to disable ACPI */
+        u8 S4bios_request;      /* Value to write to SMI CMD to enter S4BIOS state */
+        u8 pstate_control;      /* Processor performance state control */
+        u32 pm1a_event_block;   /* 32-bit Port address of Power Mgt 1a Event Reg Blk */
+        u32 pm1b_event_block;   /* 32-bit Port address of Power Mgt 1b Event Reg Blk */
+        u32 pm1a_control_block; /* 32-bit Port address of Power Mgt 1a Control Reg Blk */
+        u32 pm1b_control_block; /* 32-bit Port address of Power Mgt 1b Control Reg Blk */
+        u32 pm2_control_block;  /* 32-bit Port address of Power Mgt 2 Control Reg Blk */
+        u32 pm_timer_block;     /* 32-bit Port address of Power Mgt Timer Ctrl Reg Blk */
+        u32 gpe0_block;         /* 32-bit Port address of General Purpose Event 0 Reg Blk */
+        u32 gpe1_block;         /* 32-bit Port address of General Purpose Event 1 Reg Blk */
+        u8 pm1_event_length;    /* Byte Length of ports at pm1x_event_block */
+        u8 pm1_control_length;  /* Byte Length of ports at pm1x_control_block */
+        u8 pm2_control_length;  /* Byte Length of ports at pm2_control_block */
+        u8 pm_timer_length;     /* Byte Length of ports at pm_timer_block */
+        u8 gpe0_block_length;   /* Byte Length of ports at gpe0_block */
+        u8 gpe1_block_length;   /* Byte Length of ports at gpe1_block */
+        u8 gpe1_base;           /* Offset in GPE number space where GPE1 events start */
+        u8 cst_control;         /* Support for the _CST object and C States change notification */
+        u16 C2latency;          /* Worst case HW latency to enter/exit C2 state */
+        u16 C3latency;          /* Worst case HW latency to enter/exit C3 state */
+        u16 flush_size;         /* Processor's memory cache line width, in bytes */
+        u16 flush_stride;       /* Number of flush strides that need to be read */
+        u8 duty_offset;         /* Processor duty cycle index in processor's P_CNT reg */
+        u8 duty_width;          /* Processor duty cycle value bit width in P_CNT register. */
+        u8 day_alarm;           /* Index to day-of-month alarm in RTC CMOS RAM */
+        u8 month_alarm;         /* Index to month-of-year alarm in RTC CMOS RAM */
+        u8 century;             /* Index to century in RTC CMOS RAM */
+        u16 boot_flags;         /* IA-PC Boot Architecture Flags. See Table 5-10 for description */
+        u8 reserved;            /* Reserved, must be zero */
+        u32 flags;              /* Miscellaneous flag bits (see below for individual flags) */
+        struct acpi_generic_address reset_register;     /* 64-bit address of the Reset register */
         u8 reset_value;         /* Value to write to the reset_register port to reset the system */
-        u8 reserved4[3];        /* These three bytes must be zero */
-        u64 xfirmware_ctrl;     /* 64-bit physical address of FACS */
+        u8 reserved4[3];        /* Reserved, must be zero */
+        u64 Xfacs;              /* 64-bit physical address of FACS */
         u64 Xdsdt;              /* 64-bit physical address of DSDT */
-        struct acpi_generic_address xpm1a_evt_blk;      /* Extended Power Mgt 1a acpi_event Reg Blk address */
-        struct acpi_generic_address xpm1b_evt_blk;      /* Extended Power Mgt 1b acpi_event Reg Blk address */
-        struct acpi_generic_address xpm1a_cnt_blk;      /* Extended Power Mgt 1a Control Reg Blk address */
-        struct acpi_generic_address xpm1b_cnt_blk;      /* Extended Power Mgt 1b Control Reg Blk address */
-        struct acpi_generic_address xpm2_cnt_blk;       /* Extended Power Mgt 2 Control Reg Blk address */
-        struct acpi_generic_address xpm_tmr_blk;        /* Extended Power Mgt Timer Ctrl Reg Blk address */
-        struct acpi_generic_address xgpe0_blk;  /* Extended General Purpose acpi_event 0 Reg Blk address */
-        struct acpi_generic_address xgpe1_blk;  /* Extended General Purpose acpi_event 1 Reg Blk address */
+        struct acpi_generic_address xpm1a_event_block;  /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
+        struct acpi_generic_address xpm1b_event_block;  /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
+        struct acpi_generic_address xpm1a_control_block;        /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
+        struct acpi_generic_address xpm1b_control_block;        /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
+        struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
+        struct acpi_generic_address xpm_timer_block;    /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
+        struct acpi_generic_address xgpe0_block;        /* 64-bit Extended General Purpose Event 0 Reg Blk address */
+        struct acpi_generic_address xgpe1_block;        /* 64-bit Extended General Purpose Event 1 Reg Blk address */
 };
 
-/*
- * "Down-revved" ACPI 2.0 FADT descriptor
- * Defined here to allow compiler to generate the length of the struct
- */
-struct fadt_descriptor_rev2_minus {
-        ACPI_FADT_COMMON u32 flags;
-        struct acpi_generic_address reset_register;     /* Reset register address in GAS format */
-        u8 reset_value;         /* Value to write to the reset_register port to reset the system. */
-        u8 reserved7[3];        /* Reserved, must be zero */
-};
+/* FADT flags */
+
+#define ACPI_FADT_WBINVD            (1) /* 00: The wbinvd instruction works properly */
+#define ACPI_FADT_WBINVD_FLUSH      (1<<1)      /* 01: The wbinvd flushes but does not invalidate */
+#define ACPI_FADT_C1_SUPPORTED      (1<<2)      /* 02: All processors support C1 state */
+#define ACPI_FADT_C2_MP_SUPPORTED   (1<<3)      /* 03: C2 state works on MP system */
+#define ACPI_FADT_POWER_BUTTON      (1<<4)      /* 04: Power button is handled as a generic feature */
+#define ACPI_FADT_SLEEP_BUTTON      (1<<5)      /* 05: Sleep button is handled as a generic feature, or  not present */
+#define ACPI_FADT_FIXED_RTC         (1<<6)      /* 06: RTC wakeup stat not in fixed register space */
+#define ACPI_FADT_S4_RTC_WAKE       (1<<7)      /* 07: RTC wakeup stat not possible from S4 */
+#define ACPI_FADT_32BIT_TIMER       (1<<8)      /* 08: tmr_val is 32 bits 0=24-bits */
+#define ACPI_FADT_DOCKING_SUPPORTED (1<<9)      /* 09: Docking supported */
+#define ACPI_FADT_RESET_REGISTER    (1<<10)     /* 10: System reset via the FADT RESET_REG supported */
+#define ACPI_FADT_SEALED_CASE       (1<<11)     /* 11: No internal expansion capabilities and case is sealed */
+#define ACPI_FADT_HEADLESS          (1<<12)     /* 12: No local video capabilities or local input devices */
+#define ACPI_FADT_SLEEP_TYPE        (1<<13)     /* 13: Must execute native instruction after writing  SLP_TYPx register */
+#define ACPI_FADT_PCI_EXPRESS_WAKE  (1<<14)     /* 14: System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
+#define ACPI_FADT_PLATFORM_CLOCK    (1<<15)     /* 15: OSPM should use platform-provided timer (ACPI 3.0) */
+#define ACPI_FADT_S4_RTC_VALID      (1<<16)     /* 16: Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
+#define ACPI_FADT_REMOTE_POWER_ON   (1<<17)     /* 17: System is compatible with remote power on (ACPI 3.0) */
+#define ACPI_FADT_APIC_CLUSTER      (1<<18)     /* 18: All local APICs must use cluster model (ACPI 3.0) */
+#define ACPI_FADT_APIC_PHYSICAL     (1<<19)     /* 19: All local x_aPICs must use physical dest mode (ACPI 3.0) */
 
 /*
- * ACPI 1.0 FADT
- * Defined here to allow compiler to generate the length of the struct
+ * FADT Prefered Power Management Profiles
  */
-struct fadt_descriptor_rev1 {
-        ACPI_FADT_COMMON u32 flags;
+enum acpi_prefered_pm_profiles {
+        PM_UNSPECIFIED = 0,
+        PM_DESKTOP = 1,
+        PM_MOBILE = 2,
+        PM_WORKSTATION = 3,
+        PM_ENTERPRISE_SERVER = 4,
+        PM_SOHO_SERVER = 5,
+        PM_APPLIANCE_PC = 6
 };
 
-/* FADT: Prefered Power Management Profiles */
-
-#define PM_UNSPECIFIED                  0
-#define PM_DESKTOP                      1
-#define PM_MOBILE                       2
-#define PM_WORKSTATION                  3
-#define PM_ENTERPRISE_SERVER            4
-#define PM_SOHO_SERVER                  5
-#define PM_APPLIANCE_PC                 6
-
-/* FADT: Boot Arch Flags */
+/* FADT Boot Arch Flags */
 
 #define BAF_LEGACY_DEVICES              0x0001
 #define BAF_8042_KEYBOARD_CONTROLLER    0x0002
@@ -312,59 +284,12 @@ struct fadt_descriptor_rev1 {
 
 #pragma pack()
 
-/*
- * This macro is temporary until the table bitfield flag definitions
- * are removed and replaced by a Flags field.
- */
-#define ACPI_FLAG_OFFSET(d,f,o)         (u8) (ACPI_OFFSET (d,f) + \
-                          sizeof(((d *)0)->f) + o)
-/*
- * Get the remaining ACPI tables
- */
-#include "actbl1.h"
+#define ACPI_FADT_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_fadt, f)
 
 /*
- * ACPI Table information.  We save the table address, length,
- * and type of memory allocation (mapped or allocated) for each
- * table for 1) when we exit, and 2) if a new table is installed
+ * Get the remaining ACPI tables
  */
-#define ACPI_MEM_NOT_ALLOCATED  0
-#define ACPI_MEM_ALLOCATED      1
-#define ACPI_MEM_MAPPED         2
-
-/* Definitions for the Flags bitfield member of struct acpi_table_support */
-
-#define ACPI_TABLE_SINGLE       0x00
-#define ACPI_TABLE_MULTIPLE     0x01
-#define ACPI_TABLE_EXECUTABLE   0x02
-
-#define ACPI_TABLE_ROOT         0x00
-#define ACPI_TABLE_PRIMARY      0x10
-#define ACPI_TABLE_SECONDARY    0x20
-#define ACPI_TABLE_ALL          0x30
-#define ACPI_TABLE_TYPE_MASK    0x30
-
-/* Data about each known table type */
-
-struct acpi_table_support {
-        char *name;
-        char *signature;
-        void **global_ptr;
-        u8 sig_length;
-        u8 flags;
-};
-
-extern u8 acpi_fadt_is_v1;      /* is set to 1 if FADT is revision 1,
-                                 * needed for certain workarounds */
-/* Macros used to generate offsets to specific table fields */
-
-#define ACPI_FACS_OFFSET(f)             (u8) ACPI_OFFSET (struct facs_descriptor,f)
-#define ACPI_FADT_OFFSET(f)             (u8) ACPI_OFFSET (struct fadt_descriptor, f)
-#define ACPI_GAS_OFFSET(f)              (u8) ACPI_OFFSET (struct acpi_generic_address,f)
-#define ACPI_HDR_OFFSET(f)              (u8) ACPI_OFFSET (struct acpi_table_header,f)
-#define ACPI_RSDP_OFFSET(f)             (u8) ACPI_OFFSET (struct rsdp_descriptor,f)
 
-#define ACPI_FADT_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (struct fadt_descriptor,f,o)
-#define ACPI_FACS_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (struct facs_descriptor,f,o)
+#include <acpi/actbl1.h>
 
 #endif                          /* __ACTBL_H__ */
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 745a6445a4f9..4e5d3ca53a8e 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -61,6 +61,7 @@
 #define ACPI_SIG_BOOT           "BOOT"  /* Simple Boot Flag Table */
 #define ACPI_SIG_CPEP           "CPEP"  /* Corrected Platform Error Polling table */
 #define ACPI_SIG_DBGP           "DBGP"  /* Debug Port table */
+#define ACPI_SIG_DMAR           "DMAR"  /* DMA Remapping table */
 #define ACPI_SIG_ECDT           "ECDT"  /* Embedded Controller Boot Resources Table */
 #define ACPI_SIG_HPET           "HPET"  /* High Precision Event Timer table */
 #define ACPI_SIG_MADT           "APIC"  /* Multiple APIC Description Table */
@@ -73,12 +74,6 @@
 #define ACPI_SIG_TCPA           "TCPA"  /* Trusted Computing Platform Alliance table */
 #define ACPI_SIG_WDRT           "WDRT"  /* Watchdog Resource Table */
 
-/* Legacy names */
-
-#define APIC_SIG                "APIC"  /* Multiple APIC Description Table */
-#define BOOT_SIG                "BOOT"  /* Simple Boot Flag Table */
-#define SBST_SIG                "SBST"  /* Smart Battery Specification Table */
-
 /*
  * All tables must be byte-packed to match the ACPI specification, since
  * the tables are provided by the system BIOS.
@@ -91,31 +86,43 @@
  * portable, so do not use any other bitfield types.
  */
 
+/* Common Sub-table header (used in MADT, SRAT, etc.) */
+
+struct acpi_subtable_header {
+        u8 type;
+        u8 length;
+};
+
 /*******************************************************************************
  *
  * ASF - Alert Standard Format table (Signature "ASF!")
  *
+ * Conforms to the Alert Standard Format Specification V2.0, 23 April 2003
+ *
  ******************************************************************************/
 
 struct acpi_table_asf {
-ACPI_TABLE_HEADER_DEF};
+        struct acpi_table_header header;        /* Common ACPI table header */
+};
 
-#define ACPI_ASF_HEADER_DEF \
-        u8                              type; \
-        u8                              reserved; \
-        u16                             length;
+/* ASF subtable header */
 
 struct acpi_asf_header {
-ACPI_ASF_HEADER_DEF};
+        u8 type;
+        u8 reserved;
+        u16 length;
+};
 
-/* Values for Type field */
+/* Values for Type field above */
 
-#define ASF_INFO                0
-#define ASF_ALERT               1
-#define ASF_CONTROL             2
-#define ASF_BOOT                3
-#define ASF_ADDRESS             4
-#define ASF_RESERVED            5
+enum acpi_asf_type {
+        ACPI_ASF_TYPE_INFO = 0,
+        ACPI_ASF_TYPE_ALERT = 1,
+        ACPI_ASF_TYPE_CONTROL = 2,
+        ACPI_ASF_TYPE_BOOT = 3,
+        ACPI_ASF_TYPE_ADDRESS = 4,
+        ACPI_ASF_TYPE_RESERVED = 5
+};
 
 /*
  * ASF subtables
@@ -124,7 +131,8 @@ ACPI_ASF_HEADER_DEF};
 /* 0: ASF Information */
 
 struct acpi_asf_info {
-        ACPI_ASF_HEADER_DEF u8 min_reset_value;
+        struct acpi_asf_header header;
+        u8 min_reset_value;
         u8 min_poll_interval;
         u16 system_id;
         u32 mfg_id;
@@ -135,26 +143,49 @@ struct acpi_asf_info {
 /* 1: ASF Alerts */
 
 struct acpi_asf_alert {
-        ACPI_ASF_HEADER_DEF u8 assert_mask;
+        struct acpi_asf_header header;
+        u8 assert_mask;
         u8 deassert_mask;
         u8 alerts;
         u8 data_length;
-        u8 array[1];
+};
+
+struct acpi_asf_alert_data {
+        u8 address;
+        u8 command;
+        u8 mask;
+        u8 value;
+        u8 sensor_type;
+        u8 type;
+        u8 offset;
+        u8 source_type;
+        u8 severity;
+        u8 sensor_number;
+        u8 entity;
+        u8 instance;
 };
 
 /* 2: ASF Remote Control */
 
 struct acpi_asf_remote {
-        ACPI_ASF_HEADER_DEF u8 controls;
+        struct acpi_asf_header header;
+        u8 controls;
         u8 data_length;
         u16 reserved2;
-        u8 array[1];
+};
+
+struct acpi_asf_control_data {
+        u8 function;
+        u8 address;
+        u8 command;
+        u8 value;
 };
 
 /* 3: ASF RMCP Boot Options */
 
 struct acpi_asf_rmcp {
-        ACPI_ASF_HEADER_DEF u8 capabilities[7];
+        struct acpi_asf_header header;
+        u8 capabilities[7];
         u8 completion_code;
         u32 enterprise_id;
         u8 command;
@@ -166,9 +197,9 @@ struct acpi_asf_rmcp {
 /* 4: ASF Address */
 
 struct acpi_asf_address {
-        ACPI_ASF_HEADER_DEF u8 eprom_address;
+        struct acpi_asf_header header;
+        u8 eprom_address;
         u8 devices;
-        u8 smbus_addresses[1];
 };
 
 /*******************************************************************************
@@ -178,7 +209,8 @@ struct acpi_asf_address {
  ******************************************************************************/
 
 struct acpi_table_boot {
-        ACPI_TABLE_HEADER_DEF u8 cmos_index;    /* Index in CMOS RAM for the boot register */
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u8 cmos_index;          /* Index in CMOS RAM for the boot register */
         u8 reserved[3];
 };
 
@@ -189,7 +221,8 @@ struct acpi_table_boot {
  ******************************************************************************/
 
 struct acpi_table_cpep {
-        ACPI_TABLE_HEADER_DEF u64 reserved;
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u64 reserved;
 };
 
 /* Subtable */
@@ -197,9 +230,9 @@ struct acpi_table_cpep {
 struct acpi_cpep_polling {
         u8 type;
         u8 length;
-        u8 processor_id;        /* Processor ID */
-        u8 processor_eid;       /* Processor EID */
-        u32 polling_interval;   /* Polling interval (msec) */
+        u8 id;                  /* Processor ID */
+        u8 eid;                 /* Processor EID */
+        u32 interval;           /* Polling interval (msec) */
 };
 
 /*******************************************************************************
@@ -209,196 +242,281 @@ struct acpi_cpep_polling {
  ******************************************************************************/
 
 struct acpi_table_dbgp {
-        ACPI_TABLE_HEADER_DEF u8 interface_type;        /* 0=full 16550, 1=subset of 16550 */
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u8 type;                /* 0=full 16550, 1=subset of 16550 */
         u8 reserved[3];
         struct acpi_generic_address debug_port;
 };
 
 /*******************************************************************************
  *
- * ECDT - Embedded Controller Boot Resources Table
+ * DMAR - DMA Remapping table
  *
  ******************************************************************************/
 
-struct ec_boot_resources {
-        ACPI_TABLE_HEADER_DEF struct acpi_generic_address ec_control;   /* Address of EC command/status register */
-        struct acpi_generic_address ec_data;    /* Address of EC data register */
-        u32 uid;                /* Unique ID - must be same as the EC _UID method */
-        u8 gpe_bit;             /* The GPE for the EC */
-        u8 ec_id[1];            /* Full namepath of the EC in the ACPI namespace */
+struct acpi_table_dmar {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u8 width;               /* Host Address Width */
+        u8 reserved[11];
+};
+
+/* DMAR subtable header */
+
+struct acpi_dmar_header {
+        u16 type;
+        u16 length;
+        u8 flags;
+        u8 reserved[3];
+};
+
+/* Values for subtable type in struct acpi_dmar_header */
+
+enum acpi_dmar_type {
+        ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
+        ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,
+        ACPI_DMAR_TYPE_RESERVED = 2     /* 2 and greater are reserved */
+};
+
+struct acpi_dmar_device_scope {
+        u8 entry_type;
+        u8 length;
+        u8 segment;
+        u8 bus;
+};
+
+/* Values for entry_type in struct acpi_dmar_device_scope */
+
+enum acpi_dmar_scope_type {
+        ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0,
+        ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1,
+        ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2,
+        ACPI_DMAR_SCOPE_TYPE_RESERVED = 3       /* 3 and greater are reserved */
+};
+
+/*
+ * DMAR Sub-tables, correspond to Type in struct acpi_dmar_header
+ */
+
+/* 0: Hardware Unit Definition */
+
+struct acpi_dmar_hardware_unit {
+        struct acpi_dmar_header header;
+        u64 address;            /* Register Base Address */
+};
+
+/* Flags */
+
+#define ACPI_DMAR_INCLUDE_ALL       (1)
+
+/* 1: Reserved Memory Defininition */
+
+struct acpi_dmar_reserved_memory {
+        struct acpi_dmar_header header;
+        u64 address;            /* 4_k aligned base address */
+        u64 end_address;        /* 4_k aligned limit address */
 };
 
+/* Flags */
+
+#define ACPI_DMAR_ALLOW_ALL         (1)
+
 /*******************************************************************************
  *
- * HPET - High Precision Event Timer table
+ * ECDT - Embedded Controller Boot Resources Table
  *
  ******************************************************************************/
 
-struct acpi_hpet_table {
-        ACPI_TABLE_HEADER_DEF u32 hardware_id;  /* Hardware ID of event timer block */
-        struct acpi_generic_address base_address;       /* Address of event timer block */
-        u8 hpet_number;         /* HPET sequence number */
-        u16 clock_tick;         /* Main counter min tick, periodic mode */
-        u8 attributes;
+struct acpi_table_ecdt {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        struct acpi_generic_address control;    /* Address of EC command/status register */
+        struct acpi_generic_address data;       /* Address of EC data register */
+        u32 uid;                /* Unique ID - must be same as the EC _UID method */
+        u8 gpe;                 /* The GPE for the EC */
+        u8 id[1];               /* Full namepath of the EC in the ACPI namespace */
 };
 
-#if 0                           /* HPET flags to be converted to macros */
-struct {                        /* Flags (8 bits) */
-        u8 page_protect:1;      /* 00:    No page protection */
-        u8 page_protect4:1;     /* 01:    4_kB page protected */
-        u8 page_protect64:1;    /* 02:    64_kB page protected */
-         u8:5;                  /* 03-07: Reserved, must be zero */
-} flags;
-#endif
-
 /*******************************************************************************
  *
- * MADT - Multiple APIC Description Table
+ * HPET - High Precision Event Timer table
  *
  ******************************************************************************/
 
-struct multiple_apic_table {
-        ACPI_TABLE_HEADER_DEF u32 local_apic_address;   /* Physical address of local APIC */
-
-        /* Flags (32 bits) */
-
-        u8 PCATcompat:1;        /* 00:    System also has dual 8259s */
-         u8:7;                  /* 01-07: Reserved, must be zero */
-        u8 reserved1[3];        /* 08-31: Reserved, must be zero */
+struct acpi_table_hpet {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u32 id;                 /* Hardware ID of event timer block */
+        struct acpi_generic_address address;    /* Address of event timer block */
+        u8 sequence;            /* HPET sequence number */
+        u16 minimum_tick;       /* Main counter min tick, periodic mode */
+        u8 flags;
 };
 
-/* Values for MADT PCATCompat */
+/*! Flags */
 
-#define DUAL_PIC                0
-#define MULTIPLE_APIC           1
+#define ACPI_HPET_PAGE_PROTECT      (1) /* 00: No page protection */
+#define ACPI_HPET_PAGE_PROTECT_4    (1<<1)      /* 01: 4KB page protected */
+#define ACPI_HPET_PAGE_PROTECT_64   (1<<2)      /* 02: 64KB page protected */
 
-/* Common MADT Sub-table header */
+/*! [End] no source code translation !*/
 
-#define APIC_HEADER_DEF \
-        u8                              type; \
-        u8                              length;
-
-struct apic_header {
-APIC_HEADER_DEF};
-
-/* Values for Type in struct apic_header */
+/*******************************************************************************
+ *
+ * MADT - Multiple APIC Description Table
+ *
+ ******************************************************************************/
 
-#define APIC_PROCESSOR          0
-#define APIC_IO                 1
-#define APIC_XRUPT_OVERRIDE     2
-#define APIC_NMI                3
-#define APIC_LOCAL_NMI          4
-#define APIC_ADDRESS_OVERRIDE   5
-#define APIC_IO_SAPIC           6
-#define APIC_LOCAL_SAPIC        7
-#define APIC_XRUPT_SOURCE       8
-#define APIC_RESERVED           9       /* 9 and greater are reserved */
+struct acpi_table_madt {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u32 address;            /* Physical address of local APIC */
+        u32 flags;
+};
 
-/* Flag definitions for MADT sub-tables */
+/* Flags */
 
-#define ACPI_MADT_IFLAGS /* INTI flags (16 bits) */ \
-        u8                              polarity        : 2;    /* 00-01: Polarity of APIC I/O input signals */\
-        u8                              trigger_mode    : 2;    /* 02-03: Trigger mode of APIC input signals */\
-        u8                                              : 4;    /* 04-07: Reserved, must be zero */\
-        u8                              reserved1;      /* 08-15: Reserved, must be zero */
+#define ACPI_MADT_PCAT_COMPAT       (1) /* 00:    System also has dual 8259s */
 
-#define ACPI_MADT_LFLAGS /* Local Sapic flags (32 bits) */ \
-        u8                              processor_enabled: 1;   /* 00:    Processor is usable if set */\
-        u8                                              : 7;    /* 01-07: Reserved, must be zero */\
-        u8                              reserved2[3];   /* 08-31: Reserved, must be zero */
+/* Values for PCATCompat flag */
 
-/* Values for MPS INTI flags */
+#define ACPI_MADT_DUAL_PIC          0
+#define ACPI_MADT_MULTIPLE_APIC     1
 
-#define POLARITY_CONFORMS       0
-#define POLARITY_ACTIVE_HIGH    1
-#define POLARITY_RESERVED       2
-#define POLARITY_ACTIVE_LOW     3
+/* Values for subtable type in struct acpi_subtable_header */
 
-#define TRIGGER_CONFORMS        0
-#define TRIGGER_EDGE            1
-#define TRIGGER_RESERVED        2
-#define TRIGGER_LEVEL           3
+enum acpi_madt_type {
+        ACPI_MADT_TYPE_LOCAL_APIC = 0,
+        ACPI_MADT_TYPE_IO_APIC = 1,
+        ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
+        ACPI_MADT_TYPE_NMI_SOURCE = 3,
+        ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
+        ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
+        ACPI_MADT_TYPE_IO_SAPIC = 6,
+        ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
+        ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
+        ACPI_MADT_TYPE_RESERVED = 9     /* 9 and greater are reserved */
+};
 
 /*
- * MADT Sub-tables, correspond to Type in struct apic_header
+ * MADT Sub-tables, correspond to Type in struct acpi_subtable_header
  */
 
-/* 0: processor APIC */
+/* 0: Processor Local APIC */
 
-struct madt_processor_apic {
-        APIC_HEADER_DEF u8 processor_id;        /* ACPI processor id */
-        u8 local_apic_id;       /* Processor's local APIC id */
- ACPI_MADT_LFLAGS};
+struct acpi_madt_local_apic {
+        struct acpi_subtable_header header;
+        u8 processor_id;        /* ACPI processor id */
+        u8 id;                  /* Processor's local APIC id */
+        u32 lapic_flags;
+};
 
 /* 1: IO APIC */
 
-struct madt_io_apic {
-        APIC_HEADER_DEF u8 io_apic_id;  /* I/O APIC ID */
+struct acpi_madt_io_apic {
+        struct acpi_subtable_header header;
+        u8 id;                  /* I/O APIC ID */
         u8 reserved;            /* Reserved - must be zero */
         u32 address;            /* APIC physical address */
-        u32 interrupt;          /* Global system interrupt where INTI lines start */
+        u32 global_irq_base;    /* Global system interrupt where INTI lines start */
 };
 
 /* 2: Interrupt Override */
 
-struct madt_interrupt_override {
-        APIC_HEADER_DEF u8 bus; /* 0 - ISA */
-        u8 source;              /* Interrupt source (IRQ) */
-        u32 interrupt;          /* Global system interrupt */
- ACPI_MADT_IFLAGS};
+struct acpi_madt_interrupt_override {
+        struct acpi_subtable_header header;
+        u8 bus;                 /* 0 - ISA */
+        u8 source_irq;          /* Interrupt source (IRQ) */
+        u32 global_irq;         /* Global system interrupt */
+        u16 inti_flags;
+};
 
-/* 3: NMI Sources */
+/* 3: NMI Source */
 
-struct madt_nmi_source {
-        APIC_HEADER_DEF ACPI_MADT_IFLAGS u32 interrupt; /* Global system interrupt */
+struct acpi_madt_nmi_source {
+        struct acpi_subtable_header header;
+        u16 inti_flags;
+        u32 global_irq;         /* Global system interrupt */
 };
 
 /* 4: Local APIC NMI */
 
-struct madt_local_apic_nmi {
-        APIC_HEADER_DEF u8 processor_id;        /* ACPI processor id */
-        ACPI_MADT_IFLAGS u8 lint;       /* LINTn to which NMI is connected */
+struct acpi_madt_local_apic_nmi {
+        struct acpi_subtable_header header;
+        u8 processor_id;        /* ACPI processor id */
+        u16 inti_flags;
+        u8 lint;                /* LINTn to which NMI is connected */
 };
 
 /* 5: Address Override */
 
-struct madt_address_override {
-        APIC_HEADER_DEF u16 reserved;   /* Reserved, must be zero */
+struct acpi_madt_local_apic_override {
+        struct acpi_subtable_header header;
+        u16 reserved;           /* Reserved, must be zero */
         u64 address;            /* APIC physical address */
 };
 
 /* 6: I/O Sapic */
 
-struct madt_io_sapic {
-        APIC_HEADER_DEF u8 io_sapic_id; /* I/O SAPIC ID */
+struct acpi_madt_io_sapic {
+        struct acpi_subtable_header header;
+        u8 id;                  /* I/O SAPIC ID */
         u8 reserved;            /* Reserved, must be zero */
-        u32 interrupt_base;     /* Glocal interrupt for SAPIC start */
+        u32 global_irq_base;    /* Global interrupt for SAPIC start */
         u64 address;            /* SAPIC physical address */
 };
 
 /* 7: Local Sapic */
 
-struct madt_local_sapic {
-        APIC_HEADER_DEF u8 processor_id;        /* ACPI processor id */
-        u8 local_sapic_id;      /* SAPIC ID */
-        u8 local_sapic_eid;     /* SAPIC EID */
+struct acpi_madt_local_sapic {
+        struct acpi_subtable_header header;
+        u8 processor_id;        /* ACPI processor id */
+        u8 id;                  /* SAPIC ID */
+        u8 eid;                 /* SAPIC EID */
         u8 reserved[3];         /* Reserved, must be zero */
-         ACPI_MADT_LFLAGS u32 processor_uID;    /* Numeric UID - ACPI 3.0 */
-        char processor_uIDstring[1];    /* String UID  - ACPI 3.0 */
+        u32 lapic_flags;
+        u32 uid;                /* Numeric UID - ACPI 3.0 */
+        char uid_string[1];     /* String UID  - ACPI 3.0 */
 };
 
 /* 8: Platform Interrupt Source */
 
-struct madt_interrupt_source {
-        APIC_HEADER_DEF ACPI_MADT_IFLAGS u8 interrupt_type;     /* 1=PMI, 2=INIT, 3=corrected */
-        u8 processor_id;        /* Processor ID */
-        u8 processor_eid;       /* Processor EID */
+struct acpi_madt_interrupt_source {
+        struct acpi_subtable_header header;
+        u16 inti_flags;
+        u8 type;                /* 1=PMI, 2=INIT, 3=corrected */
+        u8 id;                  /* Processor ID */
+        u8 eid;                 /* Processor EID */
         u8 io_sapic_vector;     /* Vector value for PMI interrupts */
-        u32 interrupt;          /* Global system interrupt */
+        u32 global_irq;         /* Global system interrupt */
         u32 flags;              /* Interrupt Source Flags */
 };
 
-#ifdef DUPLICATE_DEFINITION_WITH_LINUX_ACPI_H
+/* Flags field above */
+
+#define ACPI_MADT_CPEI_OVERRIDE     (1)
+
+/*
+ * Common flags fields for MADT subtables
+ */
+
+/* MADT Local APIC flags (lapic_flags) */
+
+#define ACPI_MADT_ENABLED           (1) /* 00: Processor is usable if set */
+
+/* MADT MPS INTI flags (inti_flags) */
+
+#define ACPI_MADT_POLARITY_MASK     (3) /* 00-01: Polarity of APIC I/O input signals */
+#define ACPI_MADT_TRIGGER_MASK      (3<<2)      /* 02-03: Trigger mode of APIC input signals */
+
+/* Values for MPS INTI flags */
+
+#define ACPI_MADT_POLARITY_CONFORMS       0
+#define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
+#define ACPI_MADT_POLARITY_RESERVED       2
+#define ACPI_MADT_POLARITY_ACTIVE_LOW     3
+
+#define ACPI_MADT_TRIGGER_CONFORMS        (0)
+#define ACPI_MADT_TRIGGER_EDGE            (1<<2)
+#define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
+#define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
+
 /*******************************************************************************
  *
  * MCFG - PCI Memory Mapped Configuration table and sub-table
@@ -406,17 +524,19 @@ struct madt_interrupt_source {
  ******************************************************************************/
 
 struct acpi_table_mcfg {
-        ACPI_TABLE_HEADER_DEF u8 reserved[8];
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u8 reserved[8];
 };
 
+/* Subtable */
+
 struct acpi_mcfg_allocation {
-        u64 base_address;       /* Base address, processor-relative */
+        u64 address;            /* Base address, processor-relative */
         u16 pci_segment;        /* PCI segment group number */
         u8 start_bus_number;    /* Starting PCI Bus number */
         u8 end_bus_number;      /* Final PCI Bus number */
         u32 reserved;
 };
-#endif
 
 /*******************************************************************************
  *
@@ -424,8 +544,9 @@ struct acpi_mcfg_allocation {
  *
  ******************************************************************************/
 
-struct smart_battery_table {
-        ACPI_TABLE_HEADER_DEF u32 warning_level;
+struct acpi_table_sbst {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u32 warning_level;
         u32 low_level;
         u32 critical_level;
 };
@@ -436,9 +557,10 @@ struct smart_battery_table {
  *
  ******************************************************************************/
 
-struct system_locality_info {
-        ACPI_TABLE_HEADER_DEF u64 locality_count;
-        u8 entry[1][1];
+struct acpi_table_slit {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u64 locality_count;
+        u8 entry[1];            /* Real size = localities^2 */
 };
 
 /*******************************************************************************
@@ -448,7 +570,8 @@ struct system_locality_info {
  ******************************************************************************/
 
 struct acpi_table_spcr {
-        ACPI_TABLE_HEADER_DEF u8 interface_type;        /* 0=full 16550, 1=subset of 16550 */
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u8 interface_type;      /* 0=full 16550, 1=subset of 16550 */
         u8 reserved[3];
         struct acpi_generic_address serial_port;
         u8 interrupt_type;
@@ -459,7 +582,7 @@ struct acpi_table_spcr {
         u8 stop_bits;
         u8 flow_control;
         u8 terminal_type;
-        u8 reserved2;
+        u8 reserved1;
         u16 pci_device_id;
         u16 pci_vendor_id;
         u8 pci_bus;
@@ -467,7 +590,7 @@ struct acpi_table_spcr {
         u8 pci_function;
         u32 pci_flags;
         u8 pci_segment;
-        u32 reserved3;
+        u32 reserved2;
 };
 
 /*******************************************************************************
@@ -477,12 +600,13 @@ struct acpi_table_spcr {
  ******************************************************************************/
 
 struct acpi_table_spmi {
-        ACPI_TABLE_HEADER_DEF u8 reserved;
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u8 reserved;
         u8 interface_type;
         u16 spec_revision;      /* Version of IPMI */
         u8 interrupt_type;
         u8 gpe_number;          /* GPE assigned */
-        u8 reserved2;
+        u8 reserved1;
         u8 pci_device_flag;
         u32 interrupt;
         struct acpi_generic_address ipmi_register;
@@ -498,58 +622,53 @@ struct acpi_table_spmi {
  *
  ******************************************************************************/
 
-struct system_resource_affinity {
-        ACPI_TABLE_HEADER_DEF u32 reserved1;    /* Must be value '1' */
-        u64 reserved2;          /* Reserved, must be zero */
+struct acpi_table_srat {
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u32 table_revision;     /* Must be value '1' */
+        u64 reserved;           /* Reserved, must be zero */
 };
 
-/* SRAT common sub-table header */
+/* Values for subtable type in struct acpi_subtable_header */
 
-#define SRAT_SUBTABLE_HEADER \
-        u8                              type; \
-        u8                              length;
-
-/* Values for Type above */
-
-#define SRAT_CPU_AFFINITY       0
-#define SRAT_MEMORY_AFFINITY    1
-#define SRAT_RESERVED           2
+enum acpi_srat_type {
+        ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
+        ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
+        ACPI_SRAT_TYPE_RESERVED = 2
+};
 
 /* SRAT sub-tables */
 
-struct static_resource_alloc {
-        SRAT_SUBTABLE_HEADER u8 proximity_domain_lo;
+struct acpi_srat_cpu_affinity {
+        struct acpi_subtable_header header;
+        u8 proximity_domain_lo;
         u8 apic_id;
-
-        /* Flags (32 bits) */
-
-        u8 enabled:1;           /* 00:    Use affinity structure */
-         u8:7;                  /* 01-07: Reserved, must be zero */
-        u8 reserved3[3];        /* 08-31: Reserved, must be zero */
-
+        u32 flags;
         u8 local_sapic_eid;
         u8 proximity_domain_hi[3];
-        u32 reserved4;          /* Reserved, must be zero */
+        u32 reserved;           /* Reserved, must be zero */
 };
 
-struct memory_affinity {
-        SRAT_SUBTABLE_HEADER u32 proximity_domain;
-        u16 reserved3;
-        u64 base_address;
-        u64 address_length;
-        u32 reserved4;
-
-        /* Flags (32 bits) */
+/* Flags */
 
-        u8 enabled:1;           /* 00:    Use affinity structure */
-        u8 hot_pluggable:1;     /* 01:    Memory region is hot pluggable */
-        u8 non_volatile:1;      /* 02:    Memory is non-volatile */
-         u8:5;                  /* 03-07: Reserved, must be zero */
-        u8 reserved5[3];        /* 08-31: Reserved, must be zero */
+#define ACPI_SRAT_CPU_ENABLED       (1) /* 00: Use affinity structure */
 
-        u64 reserved6;          /* Reserved, must be zero */
+struct acpi_srat_mem_affinity {
+        struct acpi_subtable_header header;
+        u32 proximity_domain;
+        u16 reserved;           /* Reserved, must be zero */
+        u64 base_address;
+        u64 length;
+        u32 memory_type;        /* See acpi_address_range_id */
+        u32 flags;
+        u64 reserved1;          /* Reserved, must be zero */
 };
 
+/* Flags */
+
+#define ACPI_SRAT_MEM_ENABLED       (1) /* 00: Use affinity structure */
+#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)      /* 01: Memory region is hot pluggable */
+#define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)      /* 02: Memory region is non-volatile */
+
 /*******************************************************************************
  *
  * TCPA - Trusted Computing Platform Alliance table
@@ -557,7 +676,8 @@ struct memory_affinity {
  ******************************************************************************/
 
 struct acpi_table_tcpa {
-        ACPI_TABLE_HEADER_DEF u16 reserved;
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u16 reserved;
         u32 max_log_length;     /* Maximum length for the event log area */
         u64 log_address;        /* Address of the event log area */
 };
@@ -569,7 +689,8 @@ struct acpi_table_tcpa {
  ******************************************************************************/
 
 struct acpi_table_wdrt {
-        ACPI_TABLE_HEADER_DEF u32 header_length;        /* Watchdog Header Length */
+        struct acpi_table_header header;        /* Common ACPI table header */
+        u32 header_length;      /* Watchdog Header Length */
         u8 pci_segment;         /* PCI Segment number */
         u8 pci_bus;             /* PCI Bus number */
         u8 pci_device;          /* PCI Device number */
@@ -582,58 +703,9 @@ struct acpi_table_wdrt {
         u32 entries;            /* Number of watchdog entries that follow */
 };
 
-#if 0                           /* Flags, will be converted to macros */
-u8 enabled:1;                   /* 00:    Timer enabled */
-u8:6;                           /* 01-06: Reserved */
-u8 sleep_stop:1;                /* 07:    Timer stopped in sleep state */
-#endif
-
-/* Macros used to generate offsets to specific table fields */
-
-#define ACPI_ASF0_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_asf_info,f)
-#define ACPI_ASF1_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_asf_alert,f)
-#define ACPI_ASF2_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_asf_remote,f)
-#define ACPI_ASF3_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_asf_rmcp,f)
-#define ACPI_ASF4_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_asf_address,f)
-#define ACPI_BOOT_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_boot,f)
-#define ACPI_CPEP_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_cpep,f)
-#define ACPI_CPEP0_OFFSET(f)            (u8) ACPI_OFFSET (struct acpi_cpep_polling,f)
-#define ACPI_DBGP_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_dbgp,f)
-#define ACPI_ECDT_OFFSET(f)             (u8) ACPI_OFFSET (struct ec_boot_resources,f)
-#define ACPI_HPET_OFFSET(f)             (u8) ACPI_OFFSET (struct hpet_table,f)
-#define ACPI_MADT_OFFSET(f)             (u8) ACPI_OFFSET (struct multiple_apic_table,f)
-#define ACPI_MADT0_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_processor_apic,f)
-#define ACPI_MADT1_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_io_apic,f)
-#define ACPI_MADT2_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_interrupt_override,f)
-#define ACPI_MADT3_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_nmi_source,f)
-#define ACPI_MADT4_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_local_apic_nmi,f)
-#define ACPI_MADT5_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_address_override,f)
-#define ACPI_MADT6_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_io_sapic,f)
-#define ACPI_MADT7_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_local_sapic,f)
-#define ACPI_MADT8_OFFSET(f)            (u8) ACPI_OFFSET (struct madt_interrupt_source,f)
-#define ACPI_MADTH_OFFSET(f)            (u8) ACPI_OFFSET (struct apic_header,f)
-#define ACPI_MCFG_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_mcfg,f)
-#define ACPI_MCFG0_OFFSET(f)            (u8) ACPI_OFFSET (struct acpi_mcfg_allocation,f)
-#define ACPI_SBST_OFFSET(f)             (u8) ACPI_OFFSET (struct smart_battery_table,f)
-#define ACPI_SLIT_OFFSET(f)             (u8) ACPI_OFFSET (struct system_locality_info,f)
-#define ACPI_SPCR_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_spcr,f)
-#define ACPI_SPMI_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_spmi,f)
-#define ACPI_SRAT_OFFSET(f)             (u8) ACPI_OFFSET (struct system_resource_affinity,f)
-#define ACPI_SRAT0_OFFSET(f)            (u8) ACPI_OFFSET (struct static_resource_alloc,f)
-#define ACPI_SRAT1_OFFSET(f)            (u8) ACPI_OFFSET (struct memory_affinity,f)
-#define ACPI_TCPA_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_tcpa,f)
-#define ACPI_WDRT_OFFSET(f)             (u8) ACPI_OFFSET (struct acpi_table_wdrt,f)
-
-#define ACPI_HPET_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (struct hpet_table,f,o)
-#define ACPI_SRAT0_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (struct static_resource_alloc,f,o)
-#define ACPI_SRAT1_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (struct memory_affinity,f,o)
-#define ACPI_MADT_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (struct multiple_apic_table,f,o)
-#define ACPI_MADT0_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (struct madt_processor_apic,f,o)
-#define ACPI_MADT2_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (struct madt_interrupt_override,f,o)
-#define ACPI_MADT3_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (struct madt_nmi_source,f,o)
-#define ACPI_MADT4_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (struct madt_local_apic_nmi,f,o)
-#define ACPI_MADT7_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (struct madt_local_sapic,f,o)
-#define ACPI_MADT8_FLAG_OFFSET(f,o)     ACPI_FLAG_OFFSET (struct madt_interrupt_source,f,o)
+/* Flags */
+
+#define ACPI_WDRT_TIMER_ENABLED     (1) /* 00: Timer enabled */
 
 /* Reset to default packing */
 
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
deleted file mode 100644
index 67efe6cad27b..000000000000
--- a/include/acpi/actbl2.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/******************************************************************************
- *
- * Name: actbl2.h - ACPI Specification Revision 2.0 Tables
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
- * 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 __ACTBL2_H__
-#define __ACTBL2_H__
-
-/* Code moved to both actbl.h and actbl1.h */
-
-#endif                          /* __ACTBL2_H__ */
diff --git a/include/acpi/actbl71.h b/include/acpi/actbl71.h
deleted file mode 100644
index 10ac05bb36bc..000000000000
--- a/include/acpi/actbl71.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/******************************************************************************
- *
- * Name: actbl71.h - IA-64 Extensions to the ACPI Spec Rev. 0.71
- *                   This file includes tables specific to this
- *                   specification revision.
- *
- *****************************************************************************/
-
-/*
- *  Copyright (C) 2000 - 2003, R. Byron Moore
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef __ACTBL71_H__
-#define __ACTBL71_H__
-
-/* 0.71 FADT address_space data item bitmasks defines */
-/* If the associated bit is zero then it is in memory space else in io space */
-
-#define SMI_CMD_ADDRESS_SPACE       0x01
-#define PM1_BLK_ADDRESS_SPACE       0x02
-#define PM2_CNT_BLK_ADDRESS_SPACE   0x04
-#define PM_TMR_BLK_ADDRESS_SPACE    0x08
-#define GPE0_BLK_ADDRESS_SPACE      0x10
-#define GPE1_BLK_ADDRESS_SPACE      0x20
-
-/* Only for clarity in declarations */
-
-typedef u64 IO_ADDRESS;
-
-#pragma pack(1)
-struct {                        /* Root System Descriptor Pointer */
-        NATIVE_CHAR signature[8];       /* contains "RSD PTR " */
-        u8 checksum;            /* to make sum of struct == 0 */
-        NATIVE_CHAR oem_id[6];  /* OEM identification */
-        u8 reserved;            /* Must be 0 for 1.0, 2 for 2.0 */
-        u64 rsdt_physical_address;      /* 64-bit physical address of RSDT */
-};
-
-/*****************************************/
-/* IA64 Extensions to ACPI Spec Rev 0.71 */
-/* for the Root System Description Table */
-/*****************************************/
-struct {
-        struct acpi_table_header header;        /* Table header */
-        u32 reserved_pad;       /* IA64 alignment, must be 0 */
-        u64 table_offset_entry[1];      /* Array of pointers to other */
-        /* tables' headers */
-};
-
-/*******************************************/
-/* IA64 Extensions to ACPI Spec Rev 0.71   */
-/* for the Firmware ACPI Control Structure */
-/*******************************************/
-struct {
-        NATIVE_CHAR signature[4];       /* signature "FACS" */
-        u32 length;             /* length of structure, in bytes */
-        u32 hardware_signature; /* hardware configuration signature */
-        u32 reserved4;          /* must be 0 */
-        u64 firmware_waking_vector;     /* ACPI OS waking vector */
-        u64 global_lock;        /* Global Lock */
-        u32 S4bios_f:1;         /* Indicates if S4BIOS support is present */
-        u32 reserved1:31;       /* must be 0 */
-        u8 reserved3[28];       /* reserved - must be zero */
-};
-
-/******************************************/
-/* IA64 Extensions to ACPI Spec Rev 0.71  */
-/* for the Fixed ACPI Description Table   */
-/******************************************/
-struct {
-        struct acpi_table_header header;        /* table header */
-        u32 reserved_pad;       /* IA64 alignment, must be 0 */
-        u64 firmware_ctrl;      /* 64-bit Physical address of FACS */
-        u64 dsdt;               /* 64-bit Physical address of DSDT */
-        u8 model;               /* System Interrupt Model */
-        u8 address_space;       /* Address Space Bitmask */
-        u16 sci_int;            /* System vector of SCI interrupt */
-        u8 acpi_enable;         /* value to write to smi_cmd to enable ACPI */
-        u8 acpi_disable;        /* value to write to smi_cmd to disable ACPI */
-        u8 S4bios_req;          /* Value to write to SMI CMD to enter S4BIOS state */
-        u8 reserved2;           /* reserved - must be zero */
-        u64 smi_cmd;            /* Port address of SMI command port */
-        u64 pm1a_evt_blk;       /* Port address of Power Mgt 1a acpi_event Reg Blk */
-        u64 pm1b_evt_blk;       /* Port address of Power Mgt 1b acpi_event Reg Blk */
-        u64 pm1a_cnt_blk;       /* Port address of Power Mgt 1a Control Reg Blk */
-        u64 pm1b_cnt_blk;       /* Port address of Power Mgt 1b Control Reg Blk */
-        u64 pm2_cnt_blk;        /* Port address of Power Mgt 2 Control Reg Blk */
-        u64 pm_tmr_blk;         /* Port address of Power Mgt Timer Ctrl Reg Blk */
-        u64 gpe0_blk;           /* Port addr of General Purpose acpi_event 0 Reg Blk */
-        u64 gpe1_blk;           /* Port addr of General Purpose acpi_event 1 Reg Blk */
-        u8 pm1_evt_len;         /* Byte length of ports at pm1_x_evt_blk */
-        u8 pm1_cnt_len;         /* Byte length of ports at pm1_x_cnt_blk */
-        u8 pm2_cnt_len;         /* Byte Length of ports at pm2_cnt_blk */
-        u8 pm_tm_len;           /* Byte Length of ports at pm_tm_blk */
-        u8 gpe0_blk_len;        /* Byte Length of ports at gpe0_blk */
-        u8 gpe1_blk_len;        /* Byte Length of ports at gpe1_blk */
-        u8 gpe1_base;           /* offset in gpe model where gpe1 events start */
-        u8 reserved3;           /* reserved */
-        u16 plvl2_lat;          /* worst case HW latency to enter/exit C2 state */
-        u16 plvl3_lat;          /* worst case HW latency to enter/exit C3 state */
-        u8 day_alrm;            /* index to day-of-month alarm in RTC CMOS RAM */
-        u8 mon_alrm;            /* index to month-of-year alarm in RTC CMOS RAM */
-        u8 century;             /* index to century in RTC CMOS RAM */
-        u8 reserved4;           /* reserved */
-        u32 flush_cash:1;       /* PAL_FLUSH_CACHE is correctly supported */
-        u32 reserved5:1;        /* reserved - must be zero */
-        u32 proc_c1:1;          /* all processors support C1 state */
-        u32 plvl2_up:1;         /* C2 state works on MP system */
-        u32 pwr_button:1;       /* Power button is handled as a generic feature */
-        u32 sleep_button:1;     /* Sleep button is handled as a generic feature, or not present */
-        u32 fixed_rTC:1;        /* RTC wakeup stat not in fixed register space */
-        u32 rtcs4:1;            /* RTC wakeup stat not possible from S4 */
-        u32 tmr_val_ext:1;      /* tmr_val is 32 bits */
-        u32 dock_cap:1;         /* Supports Docking */
-        u32 reserved6:22;       /* reserved - must be zero */
-};
-
-#pragma pack()
-
-#endif                          /* __ACTBL71_H__ */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 64b603cfe92e..72a6e2c3a536 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,7 +48,8 @@
 
 /*
  * ACPI_MACHINE_WIDTH must be specified in an OS- or compiler-dependent header
- * and must be either 16, 32, or 64
+ * and must be either 32 or 64. 16-bit ACPICA is no longer supported, as of
+ * 12/2006.
  */
 #ifndef ACPI_MACHINE_WIDTH
 #error ACPI_MACHINE_WIDTH not defined
@@ -149,7 +150,6 @@ typedef int INT32;
 typedef u64 acpi_native_uint;
 typedef s64 acpi_native_int;
 
-typedef u64 acpi_table_ptr;
 typedef u64 acpi_io_address;
 typedef u64 acpi_physical_address;
 
@@ -189,48 +189,15 @@ typedef int INT32;
 typedef u32 acpi_native_uint;
 typedef s32 acpi_native_int;
 
-typedef u64 acpi_table_ptr;
 typedef u32 acpi_io_address;
-typedef u64 acpi_physical_address;
+typedef u32 acpi_physical_address;
 
 #define ACPI_MAX_PTR                    ACPI_UINT32_MAX
 #define ACPI_SIZE_MAX                   ACPI_UINT32_MAX
 
-/*******************************************************************************
- *
- * Types specific to 16-bit targets
- *
- ******************************************************************************/
-
-#elif ACPI_MACHINE_WIDTH == 16
-
-/*! [Begin] no source code translation (keep the typedefs as-is) */
-
-typedef unsigned long UINT32;
-typedef short INT16;
-typedef long INT32;
-
-/*! [End] no source code translation !*/
-
-typedef u16 acpi_native_uint;
-typedef s16 acpi_native_int;
-
-typedef u32 acpi_table_ptr;
-typedef u32 acpi_io_address;
-typedef char *acpi_physical_address;
-
-#define ACPI_MAX_PTR                    ACPI_UINT16_MAX
-#define ACPI_SIZE_MAX                   ACPI_UINT16_MAX
-
-#define ACPI_USE_NATIVE_DIVIDE  /* No 64-bit integers, ok to use native divide */
-
-/* 64-bit integers cannot be supported */
-
-#define ACPI_NO_INTEGER64_SUPPORT
-
 #else
 
-/* ACPI_MACHINE_WIDTH must be either 64, 32, or 16 */
+/* ACPI_MACHINE_WIDTH must be either 64 or 32 */
 
 #error unknown ACPI_MACHINE_WIDTH
 #endif
@@ -311,36 +278,6 @@ typedef acpi_native_uint acpi_size;
  *
  ******************************************************************************/
 
-/*
- * Pointer overlays to avoid lots of typecasting for
- * code that accepts both physical and logical pointers.
- */
-union acpi_pointers {
-        acpi_physical_address physical;
-        void *logical;
-        acpi_table_ptr value;
-};
-
-struct acpi_pointer {
-        u32 pointer_type;
-        union acpi_pointers pointer;
-};
-
-/* pointer_types for above */
-
-#define ACPI_PHYSICAL_POINTER           0x01
-#define ACPI_LOGICAL_POINTER            0x02
-
-/* Processor mode */
-
-#define ACPI_PHYSICAL_ADDRESSING        0x04
-#define ACPI_LOGICAL_ADDRESSING         0x08
-#define ACPI_MEMORY_MODE                0x0C
-
-#define ACPI_PHYSMODE_PHYSPTR           ACPI_PHYSICAL_ADDRESSING | ACPI_PHYSICAL_POINTER
-#define ACPI_LOGMODE_PHYSPTR            ACPI_LOGICAL_ADDRESSING  | ACPI_PHYSICAL_POINTER
-#define ACPI_LOGMODE_LOGPTR             ACPI_LOGICAL_ADDRESSING  | ACPI_LOGICAL_POINTER
-
 /* Logical defines and NULL */
 
 #ifdef FALSE
@@ -442,7 +379,8 @@ typedef u64 acpi_integer;
 /*
  * Initialization state
  */
-#define ACPI_INITIALIZED_OK             0x01
+#define ACPI_SUBSYSTEM_INITIALIZE       0x01
+#define ACPI_INITIALIZED_OK             0x02
 
 /*
  * Power state values
@@ -491,21 +429,6 @@ typedef u64 acpi_integer;
 #define ACPI_NOTIFY_POWER_FAULT         (u8) 7
 
 /*
- *  Table types.  These values are passed to the table related APIs
- */
-typedef u32 acpi_table_type;
-
-#define ACPI_TABLE_ID_RSDP              (acpi_table_type) 0
-#define ACPI_TABLE_ID_DSDT              (acpi_table_type) 1
-#define ACPI_TABLE_ID_FADT              (acpi_table_type) 2
-#define ACPI_TABLE_ID_FACS              (acpi_table_type) 3
-#define ACPI_TABLE_ID_PSDT              (acpi_table_type) 4
-#define ACPI_TABLE_ID_SSDT              (acpi_table_type) 5
-#define ACPI_TABLE_ID_XSDT              (acpi_table_type) 6
-#define ACPI_TABLE_ID_MAX               6
-#define ACPI_NUM_TABLE_TYPES            (ACPI_TABLE_ID_MAX+1)
-
-/*
  * 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,
@@ -637,7 +560,7 @@ typedef u32 acpi_event_status;
  *  | | |  +--- Type of dispatch -- to method, handler, or none
  *  | | +--- Enabled for runtime?
  *  | +--- Enabled for wake?
- *  +--- System state when GPE ocurred (running/waking)
+ *  +--- Unused
  */
 #define ACPI_GPE_XRUPT_TYPE_MASK        (u8) 0x01
 #define ACPI_GPE_LEVEL_TRIGGERED        (u8) 0x01
@@ -663,10 +586,6 @@ typedef u32 acpi_event_status;
 
 #define ACPI_GPE_ENABLE_MASK            (u8) 0x60       /* Both run/wake */
 
-#define ACPI_GPE_SYSTEM_MASK            (u8) 0x80
-#define ACPI_GPE_SYSTEM_RUNNING         (u8) 0x80
-#define ACPI_GPE_SYSTEM_WAKING          (u8) 0x00
-
 /*
  * Flags for GPE and Lock interfaces
  */
@@ -816,13 +735,6 @@ struct acpi_buffer {
 #define ACPI_SYS_MODES_MASK             0x0003
 
 /*
- * ACPI Table Info.  One per ACPI table _type_
- */
-struct acpi_table_info {
-        u32 count;
-};
-
-/*
  * System info returned by acpi_get_system_info()
  */
 struct acpi_system_info {
@@ -833,8 +745,6 @@ struct acpi_system_info {
         u32 reserved2;
         u32 debug_level;
         u32 debug_layer;
-        u32 num_table_types;
-        struct acpi_table_info table_info[ACPI_TABLE_ID_MAX + 1];
 };
 
 /*
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index ba039ea1a057..883ffe92148f 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -141,8 +141,6 @@ acpi_status acpi_ut_hardware_initialize(void);
 
 void acpi_ut_subsystem_shutdown(void);
 
-acpi_status acpi_ut_validate_fadt(void);
-
 /*
  * utclib - Local implementations of C library functions
  */
@@ -453,6 +451,8 @@ acpi_ut_short_divide(acpi_integer in_dividend,
 /*
  * utmisc
  */
+const char *acpi_ut_validate_exception(acpi_status status);
+
 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
 
 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
@@ -470,7 +470,7 @@ void acpi_ut_print_string(char *string, u8 max_length);
 
 u8 acpi_ut_valid_acpi_name(u32 name);
 
-acpi_name acpi_ut_repair_name(acpi_name name);
+acpi_name acpi_ut_repair_name(char *name);
 
 u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position);
 
diff --git a/include/acpi/amlcode.h b/include/acpi/amlcode.h
index cf18426a87b1..da53a4ef287a 100644
--- a/include/acpi/amlcode.h
+++ b/include/acpi/amlcode.h
@@ -7,7 +7,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -273,7 +273,7 @@
 #define ARGI_DATAOBJECT             0x12        /* Buffer, String, package or reference to a Node - Used only by size_of operator */
 #define ARGI_COMPLEXOBJ             0x13        /* Buffer, String, or package (Used by INDEX op only) */
 #define ARGI_REF_OR_STRING          0x14        /* Reference or String (Used by DEREFOF op only) */
-#define ARGI_REGION_OR_FIELD        0x15        /* Used by LOAD op only */
+#define ARGI_REGION_OR_BUFFER       0x15        /* Used by LOAD op only */
 #define ARGI_DATAREFOBJ             0x16
 
 /* Note: types above can expand to 0x1F maximum */
diff --git a/include/acpi/amlresrc.h b/include/acpi/amlresrc.h
index be03818af9d1..f7d541239da4 100644
--- a/include/acpi/amlresrc.h
+++ b/include/acpi/amlresrc.h
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 453a469fd397..dab2ec59a3b0 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index da80933963db..3bb50494a38a 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 7f1e92930b62..5f532d2ac180 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/include/asm-i386/acpi.h b/include/asm-i386/acpi.h
index 7cfad93edf10..5e657eb8946c 100644
--- a/include/asm-i386/acpi.h
+++ b/include/asm-i386/acpi.h
@@ -39,7 +39,7 @@
  * Calling conventions:
  *
  * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
- * ACPI_EXTERNAL_XFACE      - External ACPI interfaces 
+ * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
  * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
  * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
  */
@@ -59,11 +59,11 @@
 int __acpi_acquire_global_lock(unsigned int *lock);
 int __acpi_release_global_lock(unsigned int *lock);
 
-#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
-        ((Acq) = __acpi_acquire_global_lock((unsigned int *) GLptr))
+#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
+        ((Acq) = __acpi_acquire_global_lock(&facs->global_lock))
 
-#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
-        ((Acq) = __acpi_release_global_lock((unsigned int *) GLptr))
+#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
+        ((Acq) = __acpi_release_global_lock(&facs->global_lock))
 
 /*
  * Math helper asm macros
@@ -87,7 +87,7 @@ extern void check_acpi_pci(void);
 static inline void check_acpi_pci(void) { }
 #endif
 
-#ifdef CONFIG_ACPI 
+#ifdef CONFIG_ACPI
 extern int acpi_lapic;
 extern int acpi_ioapic;
 extern int acpi_noirq;
@@ -95,9 +95,9 @@ extern int acpi_strict;
 extern int acpi_disabled;
 extern int acpi_ht;
 extern int acpi_pci_disabled;
-static inline void disable_acpi(void) 
-{ 
-        acpi_disabled = 1; 
+static inline void disable_acpi(void)
+{
+        acpi_disabled = 1;
         acpi_ht = 0;
         acpi_pci_disabled = 1;
         acpi_noirq = 1;
@@ -114,9 +114,9 @@ extern int acpi_use_timer_override;
 #endif
 
 static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
-static inline void acpi_disable_pci(void) 
+static inline void acpi_disable_pci(void)
 {
-        acpi_pci_disabled = 1; 
+        acpi_pci_disabled = 1;
         acpi_noirq_set();
 }
 extern int acpi_irq_balance_set(char *str);
@@ -144,8 +144,6 @@ extern void acpi_reserve_bootmem(void);
 
 #endif /*CONFIG_ACPI_SLEEP*/
 
-extern u8 x86_acpiid_to_apicid[];
-
 #define ARCH_HAS_POWER_INIT     1
 
 #endif /*__KERNEL__*/
diff --git a/include/asm-i386/mach-es7000/mach_mpparse.h b/include/asm-i386/mach-es7000/mach_mpparse.h
index 99f66be240be..24990e546da3 100644
--- a/include/asm-i386/mach-es7000/mach_mpparse.h
+++ b/include/asm-i386/mach-es7000/mach_mpparse.h
@@ -3,13 +3,13 @@
 
 #include <linux/acpi.h>
 
-static inline void mpc_oem_bus_info(struct mpc_config_bus *m, char *name, 
+static inline void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
                                 struct mpc_config_translation *translation)
 {
         Dprintk("Bus #%d is %s\n", m->mpc_busid, name);
 }
 
-static inline void mpc_oem_pci_bus(struct mpc_config_bus *m, 
+static inline void mpc_oem_pci_bus(struct mpc_config_bus *m,
                                 struct mpc_config_translation *translation)
 {
 }
@@ -22,7 +22,7 @@ static inline int mps_oem_check(struct mp_config_table *mpc, char *oem,
                 char *productid)
 {
         if (mpc->mpc_oemptr) {
-                struct mp_config_oemtable *oem_table = 
+                struct mp_config_oemtable *oem_table =
                         (struct mp_config_oemtable *)mpc->mpc_oemptr;
                 if (!strncmp(oem, "UNISYS", 6))
                         return parse_unisys_oem((char *)oem_table);
@@ -31,12 +31,13 @@ static inline int mps_oem_check(struct mp_config_table *mpc, char *oem,
 }
 
 #ifdef CONFIG_ACPI
+
 static inline int es7000_check_dsdt(void)
 {
-        struct acpi_table_header *header = NULL;
-        if(!acpi_get_table_header_early(ACPI_DSDT, &header))
-                acpi_table_print(header, 0);
-        if (!strncmp(header->oem_id, "UNISYS", 6))
+        struct acpi_table_header header;
+        memcpy(&header, 0, sizeof(struct acpi_table_header));
+        acpi_get_table_header(ACPI_SIG_DSDT, 0, &header);
+        if (!strncmp(header.oem_id, "UNISYS", 6))
                 return 1;
         return 0;
 }
@@ -44,7 +45,7 @@ static inline int es7000_check_dsdt(void)
 /* Hook from generic ACPI tables.c */
 static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
-        unsigned long oem_addr; 
+        unsigned long oem_addr;
         if (!find_unisys_acpi_oem_table(&oem_addr)) {
                 if (es7000_check_dsdt())
                         return parse_unisys_oem((char *)oem_addr);
diff --git a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h
index 09a5dd0e44a8..5d03792d4f65 100644
--- a/include/asm-ia64/acpi.h
+++ b/include/asm-ia64/acpi.h
@@ -82,11 +82,11 @@ ia64_acpi_release_global_lock (unsigned int *lock)
         return old & 0x1;
 }
 
-#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq)                            \
-        ((Acq) = ia64_acpi_acquire_global_lock((unsigned int *) GLptr))
+#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq)                             \
+        ((Acq) = ia64_acpi_acquire_global_lock(&facs->global_lock))
 
-#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq)                            \
-        ((Acq) = ia64_acpi_release_global_lock((unsigned int *) GLptr))
+#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq)                             \
+        ((Acq) = ia64_acpi_release_global_lock(&facs->global_lock))
 
 #define acpi_disabled 0 /* ACPI always enabled on IA64 */
 #define acpi_noirq 0    /* ACPI always enabled on IA64 */
@@ -119,8 +119,6 @@ extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
 extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
 #endif
 
-extern u16 ia64_acpiid_to_sapicid[];
-
 /*
  * Refer Intel ACPI _PDC support document for bit definitions
  */
diff --git a/include/asm-ia64/sn/acpi.h b/include/asm-ia64/sn/acpi.h
index 2850a7ef5e71..9ce2801cbd57 100644
--- a/include/asm-ia64/sn/acpi.h
+++ b/include/asm-ia64/sn/acpi.h
@@ -11,6 +11,7 @@
 
 #include "acpi/acglobal.h"
 
-#define SN_ACPI_BASE_SUPPORT()   (acpi_gbl_DSDT->oem_revision >= 0x20101)
+extern int sn_acpi_rev;
+#define SN_ACPI_BASE_SUPPORT()   (sn_acpi_rev >= 0x20101)
 
 #endif /* _ASM_IA64_SN_ACPI_H */
diff --git a/include/asm-ia64/sn/pcibr_provider.h b/include/asm-ia64/sn/pcibr_provider.h
index da3eade0cae2..17cb6cc3f21a 100644
--- a/include/asm-ia64/sn/pcibr_provider.h
+++ b/include/asm-ia64/sn/pcibr_provider.h
@@ -142,7 +142,7 @@ extern int 		pcibr_ate_alloc(struct pcibus_info *, int);
 extern void             pcibr_ate_free(struct pcibus_info *, int);
 extern void             ate_write(struct pcibus_info *, int, int, u64);
 extern int sal_pcibr_slot_enable(struct pcibus_info *soft, int device,
-                                 void *resp);
+                                 void *resp, char **ssdt);
 extern int sal_pcibr_slot_disable(struct pcibus_info *soft, int device,
                                   int action, void *resp);
 extern u16 sn_ioboard_to_pci_bus(struct pci_bus *pci_bus);
diff --git a/include/asm-ia64/sn/pcidev.h b/include/asm-ia64/sn/pcidev.h
index 9fe89a93d880..1c2382cea807 100644
--- a/include/asm-ia64/sn/pcidev.h
+++ b/include/asm-ia64/sn/pcidev.h
@@ -70,10 +70,16 @@ extern void sn_irq_fixup(struct pci_dev *pci_dev,
                          struct sn_irq_info *sn_irq_info);
 extern void sn_irq_unfixup(struct pci_dev *pci_dev);
 extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *);
+extern void sn_bus_fixup(struct pci_bus *);
+extern void sn_acpi_bus_fixup(struct pci_bus *);
+extern void sn_common_bus_fixup(struct pci_bus *, struct pcibus_bussoft *);
 extern void sn_bus_store_sysdata(struct pci_dev *dev);
 extern void sn_bus_free_sysdata(void);
 extern void sn_generate_path(struct pci_bus *pci_bus, char *address);
-extern void sn_pci_fixup_slot(struct pci_dev *dev);
+extern void sn_io_slot_fixup(struct pci_dev *);
+extern void sn_acpi_slot_fixup(struct pci_dev *);
+extern void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *,
+                              struct sn_irq_info *);
 extern void sn_pci_unfixup_slot(struct pci_dev *dev);
 extern void sn_irq_lh_init(void);
 #endif                          /* _ASM_IA64_SN_PCI_PCIDEV_H */
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h
index 6b6fc6f8be7e..a29f05087a31 100644
--- a/include/asm-x86_64/acpi.h
+++ b/include/asm-x86_64/acpi.h
@@ -37,7 +37,7 @@
  * Calling conventions:
  *
  * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
- * ACPI_EXTERNAL_XFACE      - External ACPI interfaces 
+ * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
  * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
  * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
  */
@@ -57,11 +57,11 @@
 int __acpi_acquire_global_lock(unsigned int *lock);
 int __acpi_release_global_lock(unsigned int *lock);
 
-#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
-        ((Acq) = __acpi_acquire_global_lock((unsigned int *) GLptr))
+#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
+        ((Acq) = __acpi_acquire_global_lock(&facs->global_lock))
 
-#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
-        ((Acq) = __acpi_release_global_lock((unsigned int *) GLptr))
+#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
+        ((Acq) = __acpi_release_global_lock(&facs->global_lock))
 
 /*
  * Math helper asm macros
@@ -87,10 +87,10 @@ extern int acpi_strict;
 extern int acpi_disabled;
 extern int acpi_pci_disabled;
 extern int acpi_ht;
-static inline void disable_acpi(void) 
-{ 
-        acpi_disabled = 1; 
-        acpi_ht = 0; 
+static inline void disable_acpi(void)
+{
+        acpi_disabled = 1;
+        acpi_ht = 0;
         acpi_pci_disabled = 1;
         acpi_noirq = 1;
 }
@@ -100,9 +100,9 @@ static inline void disable_acpi(void)
 
 extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
 static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
-static inline void acpi_disable_pci(void) 
+static inline void acpi_disable_pci(void)
 {
-        acpi_pci_disabled = 1; 
+        acpi_pci_disabled = 1;
         acpi_noirq_set();
 }
 extern int acpi_irq_balance_set(char *str);
@@ -136,8 +136,6 @@ extern void acpi_reserve_bootmem(void);
 extern int acpi_disabled;
 extern int acpi_pci_disabled;
 
-extern u8 x86_acpiid_to_apicid[];
-
 #define ARCH_HAS_POWER_INIT 1
 
 extern int acpi_skip_timer_override;
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 91f1f2363870..815f1fb4ce21 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -53,166 +53,6 @@ enum acpi_irq_model_id {
 
 extern enum acpi_irq_model_id   acpi_irq_model;
 
-
-/* Root System Description Pointer (RSDP) */
-
-struct acpi_table_rsdp {
-        char                    signature[8];
-        u8                      checksum;
-        char                    oem_id[6];
-        u8                      revision;
-        u32                     rsdt_address;
-} __attribute__ ((packed));
-
-struct acpi20_table_rsdp {
-        char                    signature[8];
-        u8                      checksum;
-        char                    oem_id[6];
-        u8                      revision;
-        u32                     rsdt_address;
-        u32                     length;
-        u64                     xsdt_address;
-        u8                      ext_checksum;
-        u8                      reserved[3];
-} __attribute__ ((packed));
-
-typedef struct {
-        u8                      type;
-        u8                      length;
-} __attribute__ ((packed)) acpi_table_entry_header;
-
-/* Root System Description Table (RSDT) */
-
-struct acpi_table_rsdt {
-        struct acpi_table_header header;
-        u32                     entry[8];
-} __attribute__ ((packed));
-
-/* Extended System Description Table (XSDT) */
-
-struct acpi_table_xsdt {
-        struct acpi_table_header header;
-        u64                     entry[1];
-} __attribute__ ((packed));
-
-/* Fixed ACPI Description Table (FADT) */
-
-struct acpi_table_fadt {
-        struct acpi_table_header header;
-        u32 facs_addr;
-        u32 dsdt_addr;
-        /* ... */
-} __attribute__ ((packed));
-
-/* Multiple APIC Description Table (MADT) */
-
-struct acpi_table_madt {
-        struct acpi_table_header header;
-        u32                     lapic_address;
-        struct {
-                u32                     pcat_compat:1;
-                u32                     reserved:31;
-        }                       flags;
-} __attribute__ ((packed));
-
-enum acpi_madt_entry_id {
-        ACPI_MADT_LAPIC = 0,
-        ACPI_MADT_IOAPIC,
-        ACPI_MADT_INT_SRC_OVR,
-        ACPI_MADT_NMI_SRC,
-        ACPI_MADT_LAPIC_NMI,
-        ACPI_MADT_LAPIC_ADDR_OVR,
-        ACPI_MADT_IOSAPIC,
-        ACPI_MADT_LSAPIC,
-        ACPI_MADT_PLAT_INT_SRC,
-        ACPI_MADT_ENTRY_COUNT
-};
-
-typedef struct {
-        u16                     polarity:2;
-        u16                     trigger:2;
-        u16                     reserved:12;
-} __attribute__ ((packed)) acpi_interrupt_flags;
-
-struct acpi_table_lapic {
-        acpi_table_entry_header header;
-        u8                      acpi_id;
-        u8                      id;
-        struct {
-                u32                     enabled:1;
-                u32                     reserved:31;
-        }                       flags;
-} __attribute__ ((packed));
-
-struct acpi_table_ioapic {
-        acpi_table_entry_header header;
-        u8                      id;
-        u8                      reserved;
-        u32                     address;
-        u32                     global_irq_base;
-} __attribute__ ((packed));
-
-struct acpi_table_int_src_ovr {
-        acpi_table_entry_header header;
-        u8                      bus;
-        u8                      bus_irq;
-        u32                     global_irq;
-        acpi_interrupt_flags    flags;
-} __attribute__ ((packed));
-
-struct acpi_table_nmi_src {
-        acpi_table_entry_header header;
-        acpi_interrupt_flags    flags;
-        u32                     global_irq;
-} __attribute__ ((packed));
-
-struct acpi_table_lapic_nmi {
-        acpi_table_entry_header header;
-        u8                      acpi_id;
-        acpi_interrupt_flags    flags;
-        u8                      lint;
-} __attribute__ ((packed));
-
-struct acpi_table_lapic_addr_ovr {
-        acpi_table_entry_header header;
-        u8                      reserved[2];
-        u64                     address;
-} __attribute__ ((packed));
-
-struct acpi_table_iosapic {
-        acpi_table_entry_header header;
-        u8                      id;
-        u8                      reserved;
-        u32                     global_irq_base;
-        u64                     address;
-} __attribute__ ((packed));
-
-struct acpi_table_lsapic {
-        acpi_table_entry_header header;
-        u8                      acpi_id;
-        u8                      id;
-        u8                      eid;
-        u8                      reserved[3];
-        struct {
-                u32                     enabled:1;
-                u32                     reserved:31;
-        }                       flags;
-} __attribute__ ((packed));
-
-struct acpi_table_plat_int_src {
-        acpi_table_entry_header header;
-        acpi_interrupt_flags    flags;
-        u8                      type;   /* See acpi_interrupt_type */
-        u8                      id;
-        u8                      eid;
-        u8                      iosapic_vector;
-        u32                     global_irq;
-        struct {
-                u32                     cpei_override_flag:1;
-                u32                     reserved:31;
-        }                       plint_flags;
-} __attribute__ ((packed));
-
 enum acpi_interrupt_id {
         ACPI_INTERRUPT_PMI      = 1,
         ACPI_INTERRUPT_INIT,
@@ -222,89 +62,6 @@ enum acpi_interrupt_id {
 
 #define ACPI_SPACE_MEM          0
 
-struct acpi_gen_regaddr {
-        u8  space_id;
-        u8  bit_width;
-        u8  bit_offset;
-        u8  resv;
-        u32 addrl;
-        u32 addrh;
-} __attribute__ ((packed));
-
-struct acpi_table_hpet {
-        struct acpi_table_header header;
-        u32 id;
-        struct acpi_gen_regaddr addr;
-        u8 number;
-        u16 min_tick;
-        u8 page_protect;
-} __attribute__ ((packed));
-
-/*
- * Simple Boot Flags
- * http://www.microsoft.com/whdc/hwdev/resources/specs/simp_bios.mspx
- */
-struct acpi_table_sbf
-{
-        u8 sbf_signature[4];
-        u32 sbf_len;
-        u8 sbf_revision;
-        u8 sbf_csum;
-        u8 sbf_oemid[6];
-        u8 sbf_oemtable[8];
-        u8 sbf_revdata[4];
-        u8 sbf_creator[4];
-        u8 sbf_crearev[4];
-        u8 sbf_cmos;
-        u8 sbf_spare[3];
-} __attribute__ ((packed));
-
-/*
- * System Resource Affinity Table (SRAT)
- * http://www.microsoft.com/whdc/hwdev/platform/proc/SRAT.mspx
- */
-
-struct acpi_table_srat {
-        struct acpi_table_header header;
-        u32                     table_revision;
-        u64                     reserved;
-} __attribute__ ((packed));
-
-enum acpi_srat_entry_id {
-        ACPI_SRAT_PROCESSOR_AFFINITY = 0,
-        ACPI_SRAT_MEMORY_AFFINITY,
-        ACPI_SRAT_ENTRY_COUNT
-};
-
-struct acpi_table_processor_affinity {
-        acpi_table_entry_header header;
-        u8                      proximity_domain;
-        u8                      apic_id;
-        struct {
-                u32                     enabled:1;
-                u32                     reserved:31;
-        }                       flags;
-        u8                      lsapic_eid;
-        u8                      reserved[7];
-} __attribute__ ((packed));
-
-struct acpi_table_memory_affinity {
-        acpi_table_entry_header header;
-        u8                      proximity_domain;
-        u8                      reserved1[5];
-        u32                     base_addr_lo;
-        u32                     base_addr_hi;
-        u32                     length_lo;
-        u32                     length_hi;
-        u32                     memory_type;    /* See acpi_address_range_id */
-        struct {
-                u32                     enabled:1;
-                u32                     hot_pluggable:1;
-                u32                     reserved:30;
-        }                       flags;
-        u64                     reserved2;
-} __attribute__ ((packed));
-
 enum acpi_address_range_id {
         ACPI_ADDRESS_RANGE_MEMORY = 1,
         ACPI_ADDRESS_RANGE_RESERVED = 2,
@@ -313,84 +70,12 @@ enum acpi_address_range_id {
         ACPI_ADDRESS_RANGE_COUNT
 };
 
-/*
- * System Locality Information Table (SLIT)
- *   see http://devresource.hp.com/devresource/docs/techpapers/ia64/slit.pdf
- */
-
-struct acpi_table_slit {
-        struct acpi_table_header header;
-        u64                     localities;
-        u8                      entry[1];       /* real size = localities^2 */
-} __attribute__ ((packed));
-
-/* Smart Battery Description Table (SBST) */
-
-struct acpi_table_sbst {
-        struct acpi_table_header header;
-        u32                     warning;        /* Warn user */
-        u32                     low;            /* Critical sleep */
-        u32                     critical;       /* Critical shutdown */
-} __attribute__ ((packed));
-
-/* Embedded Controller Boot Resources Table (ECDT) */
-
-struct acpi_table_ecdt {
-        struct acpi_table_header        header;
-        struct acpi_generic_address     ec_control;
-        struct acpi_generic_address     ec_data;
-        u32                             uid;
-        u8                              gpe_bit;
-        char                            ec_id[0];
-} __attribute__ ((packed));
-
-/* PCI MMCONFIG */
-
-/* Defined in PCI Firmware Specification 3.0 */
-struct acpi_table_mcfg_config {
-        u32                             base_address;
-        u32                             base_reserved;
-        u16                             pci_segment_group_number;
-        u8                              start_bus_number;
-        u8                              end_bus_number;
-        u8                              reserved[4];
-} __attribute__ ((packed));
-struct acpi_table_mcfg {
-        struct acpi_table_header        header;
-        u8                              reserved[8];
-        struct acpi_table_mcfg_config   config[0];
-} __attribute__ ((packed));
 
 /* Table Handlers */
 
-enum acpi_table_id {
-        ACPI_TABLE_UNKNOWN = 0,
-        ACPI_APIC,
-        ACPI_BOOT,
-        ACPI_DBGP,
-        ACPI_DSDT,
-        ACPI_ECDT,
-        ACPI_ETDT,
-        ACPI_FADT,
-        ACPI_FACS,
-        ACPI_OEMX,
-        ACPI_PSDT,
-        ACPI_SBST,
-        ACPI_SLIT,
-        ACPI_SPCR,
-        ACPI_SRAT,
-        ACPI_SSDT,
-        ACPI_SPMI,
-        ACPI_HPET,
-        ACPI_MCFG,
-        ACPI_TABLE_COUNT
-};
-
-typedef int (*acpi_table_handler) (unsigned long phys_addr, unsigned long size);
-
-extern acpi_table_handler acpi_table_ops[ACPI_TABLE_COUNT];
+typedef int (*acpi_table_handler) (struct acpi_table_header *table);
 
-typedef int (*acpi_madt_entry_handler) (acpi_table_entry_header *header, const unsigned long end);
+typedef int (*acpi_madt_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
 
 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
 unsigned long acpi_find_rsdp (void);
@@ -399,14 +84,12 @@ int acpi_boot_table_init (void);
 int acpi_numa_init (void);
 
 int acpi_table_init (void);
-int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler);
-int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header);
-int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
-int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries);
-int acpi_parse_mcfg (unsigned long phys_addr, unsigned long size);
-void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
-void acpi_table_print_madt_entry (acpi_table_entry_header *madt);
-void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
+int acpi_table_parse (char *id, acpi_table_handler handler);
+int acpi_table_parse_madt (enum acpi_madt_type id, acpi_madt_entry_handler handler, unsigned int max_entries);
+int acpi_table_parse_srat (enum acpi_srat_type id, acpi_madt_entry_handler handler, unsigned int max_entries);
+int acpi_parse_mcfg (struct acpi_table_header *header);
+void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
+void acpi_table_print_srat_entry (struct acpi_subtable_header *srat);
 
 /* the following four functions are architecture-dependent */
 #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
@@ -417,8 +100,8 @@ void acpi_table_print_srat_entry (acpi_table_entry_header *srat);
 #define acpi_numa_arch_fixup() do {} while (0)
 #else
 void acpi_numa_slit_init (struct acpi_table_slit *slit);
-void acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa);
-void acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma);
+void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
+void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 void acpi_numa_arch_fixup(void);
 #endif
 
@@ -433,7 +116,7 @@ int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 
 extern int acpi_mp_config;
 
-extern struct acpi_table_mcfg_config *pci_mmcfg_config;
+extern struct acpi_mcfg_allocation *pci_mmcfg_config;
 extern int pci_mmcfg_config_num;
 
 extern int sbf_port;