13 files changed, 128 insertions, 103 deletions

diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 307514f7a282..09a0dbc17fb6 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -13,6 +13,11 @@ obj-$(CONFIG_IA64_BRL_EMU)	+= brl_emu.o
 obj-$(CONFIG_IA64_GENERIC)      += acpi-ext.o
 obj-$(CONFIG_IA64_HP_ZX1)       += acpi-ext.o
 obj-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += acpi-ext.o
+
+ifneq ($(CONFIG_ACPI_PROCESSOR),)
+obj-y                           += acpi-processor.o
+endif
+
 obj-$(CONFIG_IA64_PALINFO)      += palinfo.o
 obj-$(CONFIG_IOSAPIC)           += iosapic.o
 obj-$(CONFIG_MODULES)           += module.o
diff --git a/arch/ia64/kernel/acpi-ext.c b/arch/ia64/kernel/acpi-ext.c
index 13a5b3b49bf8..4a5574ff007b 100644
--- a/arch/ia64/kernel/acpi-ext.c
+++ b/arch/ia64/kernel/acpi-ext.c
@@ -33,33 +33,33 @@ acpi_vendor_resource_match(struct acpi_resource *resource, void *context)
         struct acpi_vendor_info *info = (struct acpi_vendor_info *)context;
         struct acpi_resource_vendor *vendor;
         struct acpi_vendor_descriptor *descriptor;
-        u32 length;
+        u32 byte_length;
 
-        if (resource->id != ACPI_RSTYPE_VENDOR)
+        if (resource->type != ACPI_RESOURCE_TYPE_VENDOR)
                 return AE_OK;
 
         vendor = (struct acpi_resource_vendor *)&resource->data;
-        descriptor = (struct acpi_vendor_descriptor *)vendor->reserved;
-        if (vendor->length <= sizeof(*info->descriptor) ||
+        descriptor = (struct acpi_vendor_descriptor *)vendor->byte_data;
+        if (vendor->byte_length <= sizeof(*info->descriptor) ||
             descriptor->guid_id != info->descriptor->guid_id ||
             efi_guidcmp(descriptor->guid, info->descriptor->guid))
                 return AE_OK;
 
-        length = vendor->length - sizeof(struct acpi_vendor_descriptor);
-        info->data = acpi_os_allocate(length);
+        byte_length = vendor->byte_length - sizeof(struct acpi_vendor_descriptor);
+        info->data = acpi_os_allocate(byte_length);
         if (!info->data)
                 return AE_NO_MEMORY;
 
         memcpy(info->data,
-               vendor->reserved + sizeof(struct acpi_vendor_descriptor),
-               length);
-        info->length = length;
+               vendor->byte_data + sizeof(struct acpi_vendor_descriptor),
+               byte_length);
+        info->length = byte_length;
         return AE_CTRL_TERMINATE;
 }
 
 acpi_status
 acpi_find_vendor_resource(acpi_handle obj, struct acpi_vendor_descriptor * id,
-                          u8 ** data, u32 * length)
+                          u8 ** data, u32 * byte_length)
 {
         struct acpi_vendor_info info;
 
@@ -72,7 +72,7 @@ acpi_find_vendor_resource(acpi_handle obj, struct acpi_vendor_descriptor * id,
                 return AE_NOT_FOUND;
 
         *data = info.data;
-        *length = info.length;
+        *byte_length = info.length;
         return AE_OK;
 }
 
diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c
new file mode 100644
index 000000000000..e683630c8ce2
--- /dev/null
+++ b/arch/ia64/kernel/acpi-processor.c
@@ -0,0 +1,67 @@
+/*
+ * arch/ia64/kernel/cpufreq/processor.c
+ *
+ * Copyright (C) 2005 Intel Corporation
+ *      Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
+ *      - Added _PDC for platforms with Intel CPUs
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+
+#include <acpi/processor.h>
+#include <asm/acpi.h>
+
+static void init_intel_pdc(struct acpi_processor *pr)
+{
+        struct acpi_object_list *obj_list;
+        union acpi_object *obj;
+        u32 *buf;
+
+        /* allocate and initialize pdc. It will be used later. */
+        obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
+        if (!obj_list) {
+                printk(KERN_ERR "Memory allocation error\n");
+                return;
+        }
+
+        obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
+        if (!obj) {
+                printk(KERN_ERR "Memory allocation error\n");
+                kfree(obj_list);
+                return;
+        }
+
+        buf = kmalloc(12, GFP_KERNEL);
+        if (!buf) {
+                printk(KERN_ERR "Memory allocation error\n");
+                kfree(obj);
+                kfree(obj_list);
+                return;
+        }
+
+        buf[0] = ACPI_PDC_REVISION_ID;
+        buf[1] = 1;
+        buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
+
+        obj->type = ACPI_TYPE_BUFFER;
+        obj->buffer.length = 12;
+        obj->buffer.pointer = (u8 *) buf;
+        obj_list->count = 1;
+        obj_list->pointer = obj;
+        pr->pdc = obj_list;
+
+        return;
+}
+
+/* Initialize _PDC data based on the CPU vendor */
+void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
+{
+        pr->pdc = NULL;
+        init_intel_pdc(pr);
+        return;
+}
+
+EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 9ad94ddf6687..d2702c419cf8 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -567,16 +567,16 @@ void __init acpi_numa_arch_fixup(void)
  * success: return IRQ number (>=0)
  * failure: return < 0
  */
-int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low)
+int acpi_register_gsi(u32 gsi, int triggering, int polarity)
 {
         if (has_8259 && gsi < 16)
                 return isa_irq_to_vector(gsi);
 
         return iosapic_register_intr(gsi,
-                                     (active_high_low ==
+                                     (polarity ==
                                       ACPI_ACTIVE_HIGH) ? IOSAPIC_POL_HIGH :
                                      IOSAPIC_POL_LOW,
-                                     (edge_level ==
+                                     (triggering ==
                                       ACPI_EDGE_SENSITIVE) ? IOSAPIC_EDGE :
                                      IOSAPIC_LEVEL);
 }
diff --git a/arch/ia64/kernel/cpufreq/Makefile b/arch/ia64/kernel/cpufreq/Makefile
index f748d34c02f0..4838f2a57c7a 100644
--- a/arch/ia64/kernel/cpufreq/Makefile
+++ b/arch/ia64/kernel/cpufreq/Makefile
@@ -1 +1,2 @@
 obj-$(CONFIG_IA64_ACPI_CPUFREQ)         += acpi-cpufreq.o
+
diff --git a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
index da4d5cf80a48..5a1bf815282d 100644
--- a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
+++ b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
@@ -269,48 +269,6 @@ acpi_cpufreq_verify (
 }
 
 
-/*
- * processor_init_pdc - let BIOS know about the SMP capabilities
- * of this driver
- * @perf: processor-specific acpi_io_data struct
- * @cpu: CPU being initialized
- *
- * To avoid issues with legacy OSes, some BIOSes require to be informed of
- * the SMP capabilities of OS P-state driver. Here we set the bits in _PDC
- * accordingly. Actual call to _PDC is done in driver/acpi/processor.c
- */
-static void
-processor_init_pdc (
-                struct acpi_processor_performance *perf,
-                unsigned int cpu,
-                struct acpi_object_list *obj_list
-                )
-{
-        union acpi_object *obj;
-        u32 *buf;
-
-        dprintk("processor_init_pdc\n");
-
-        perf->pdc = NULL;
-        /* Initialize pdc. It will be used later. */
-        if (!obj_list)
-                return;
-
-        if (!(obj_list->count && obj_list->pointer))
-                return;
-
-        obj = obj_list->pointer;
-        if ((obj->buffer.length == 12) && obj->buffer.pointer) {
-                buf = (u32 *)obj->buffer.pointer;
-                buf[0] = ACPI_PDC_REVISION_ID;
-                buf[1] = 1;
-                buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
-                perf->pdc = obj_list;
-        }
-        return;
-}
-
-
 static int
 acpi_cpufreq_cpu_init (
         struct cpufreq_policy   *policy)
@@ -320,14 +278,7 @@ acpi_cpufreq_cpu_init (
         struct cpufreq_acpi_io  *data;
         unsigned int            result = 0;
 
-        union acpi_object               arg0 = {ACPI_TYPE_BUFFER};
-        u32                             arg0_buf[3];
-        struct acpi_object_list         arg_list = {1, &arg0};
-
         dprintk("acpi_cpufreq_cpu_init\n");
-        /* setup arg_list for _PDC settings */
-        arg0.buffer.length = 12;
-        arg0.buffer.pointer = (u8 *) arg0_buf;
 
         data = kmalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
         if (!data)
@@ -337,9 +288,7 @@ acpi_cpufreq_cpu_init (
 
         acpi_io_data[cpu] = data;
 
-        processor_init_pdc(&data->acpi_data, cpu, &arg_list);
         result = acpi_processor_register_performance(&data->acpi_data, cpu);
-        data->acpi_data.pdc = NULL;
 
         if (result)
                 goto err_free;
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 403a80a58c13..60a464bfd9e2 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -512,7 +512,7 @@ ia64_state_save:
         st8 [temp1]=r12         // os_status, default is cold boot
         mov r6=IA64_MCA_SAME_CONTEXT
         ;;
-        st8 [temp1]=r6          // context, default is same context
+        st8 [temp2]=r6          // context, default is same context
 
         // Save the pt_regs data that is not in minstate.  The previous code
         // left regs at sos.
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 706b7734e191..6e5eea19fa67 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -71,31 +71,33 @@ static int __init topology_init(void)
         int i, err = 0;
 
 #ifdef CONFIG_NUMA
-        sysfs_nodes = kmalloc(sizeof(struct node) * MAX_NUMNODES, GFP_KERNEL);
+        sysfs_nodes = kzalloc(sizeof(struct node) * MAX_NUMNODES, GFP_KERNEL);
         if (!sysfs_nodes) {
                 err = -ENOMEM;
                 goto out;
         }
-        memset(sysfs_nodes, 0, sizeof(struct node) * MAX_NUMNODES);
 
-        /* MCD - Do we want to register all ONLINE nodes, or all POSSIBLE nodes? */
-        for_each_online_node(i)
+        /*
+         * MCD - Do we want to register all ONLINE nodes, or all POSSIBLE nodes?
+         */
+        for_each_online_node(i) {
                 if ((err = register_node(&sysfs_nodes[i], i, 0)))
                         goto out;
+        }
 #endif
 
-        sysfs_cpus = kmalloc(sizeof(struct ia64_cpu) * NR_CPUS, GFP_KERNEL);
+        sysfs_cpus = kzalloc(sizeof(struct ia64_cpu) * NR_CPUS, GFP_KERNEL);
         if (!sysfs_cpus) {
                 err = -ENOMEM;
                 goto out;
         }
-        memset(sysfs_cpus, 0, sizeof(struct ia64_cpu) * NR_CPUS);
 
-        for_each_present_cpu(i)
+        for_each_present_cpu(i) {
                 if((err = arch_register_cpu(i)))
                         goto out;
+        }
 out:
         return err;
 }
 
-__initcall(topology_init);
+subsys_initcall(topology_init);
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 43b45b65ee5a..f9e0ae936d1a 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -1283,8 +1283,9 @@ within_logging_rate_limit (void)
 
         if (jiffies - last_time > 5*HZ)
                 count = 0;
-        if (++count < 5) {
+        if (count < 5) {
                 last_time = jiffies;
+                count++;
                 return 1;
         }
         return 0;
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index d27ecdcb6fca..0b30ca006286 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -193,12 +193,12 @@ add_io_space (struct pci_root_info *info, struct acpi_resource_address64 *addr)
                 goto free_resource;
         }
 
-        min = addr->min_address_range;
+        min = addr->minimum;
         max = min + addr->address_length - 1;
-        if (addr->attribute.io.translation_attribute == ACPI_SPARSE_TRANSLATION)
+        if (addr->info.io.translation_type == ACPI_SPARSE_TRANSLATION)
                 sparse = 1;
 
-        space_nr = new_space(addr->address_translation_offset, sparse);
+        space_nr = new_space(addr->translation_offset, sparse);
         if (space_nr == ~0)
                 goto free_name;
 
@@ -285,7 +285,7 @@ static __devinit acpi_status add_window(struct acpi_resource *res, void *data)
         if (addr.resource_type == ACPI_MEMORY_RANGE) {
                 flags = IORESOURCE_MEM;
                 root = &iomem_resource;
-                offset = addr.address_translation_offset;
+                offset = addr.translation_offset;
         } else if (addr.resource_type == ACPI_IO_RANGE) {
                 flags = IORESOURCE_IO;
                 root = &ioport_resource;
@@ -298,7 +298,7 @@ static __devinit acpi_status add_window(struct acpi_resource *res, void *data)
         window = &info->controller->window[info->controller->windows++];
         window->resource.name = info->name;
         window->resource.flags = flags;
-        window->resource.start = addr.min_address_range + offset;
+        window->resource.start = addr.minimum + offset;
         window->resource.end = window->resource.start + addr.address_length - 1;
         window->resource.child = NULL;
         window->offset = offset;
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 00700f7e6837..a4c78152b336 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -10,6 +10,7 @@
 #include <linux/nodemask.h>
 #include <asm/sn/types.h>
 #include <asm/sn/addrs.h>
+#include <asm/sn/sn_feature_sets.h>
 #include <asm/sn/geo.h>
 #include <asm/sn/io.h>
 #include <asm/sn/pcibr_provider.h>
@@ -173,8 +174,8 @@ sn_pcidev_info_get(struct pci_dev *dev)
  */
 static u8 war_implemented = 0;
 
-static void sn_device_fixup_war(u64 nasid, u64 widget, int device,
-                                struct sn_flush_device_common *common)
+static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
+                               struct sn_flush_device_common *common)
 {
         struct sn_flush_device_war *war_list;
         struct sn_flush_device_war *dev_entry;
@@ -198,8 +199,9 @@ static void sn_device_fixup_war(u64 nasid, u64 widget, int device,
 
         dev_entry = war_list + device;
         memcpy(common,dev_entry, sizeof(*common));
-
         kfree(war_list);
+
+        return isrv.status;
 }
 
 /*
@@ -279,23 +281,21 @@ static void sn_fixup_ionodes(void)
                                 memset(dev_entry->common, 0x0, sizeof(struct
                                                        sn_flush_device_common));
 
-                                status = sal_get_device_dmaflush_list(nasid,
-                                                                        widget,
-                                                                        device,
+                                if (sn_prom_feature_available(
+                                                       PRF_DEVICE_FLUSH_LIST))
+                                        status = sal_get_device_dmaflush_list(
+                                                                          nasid,
+                                                                         widget,
+                                                                         device,
                                                       (u64)(dev_entry->common));
-                                if (status) {
-                                        if (sn_sal_rev() < 0x0450) {
-                                                /* shortlived WAR for older
-                                                 * PROM images
-                                                 */
-                                                sn_device_fixup_war(nasid,
-                                                                    widget,
-                                                                    device,
+                                else
+                                        status = sn_device_fixup_war(nasid,
+                                                                     widget,
+                                                                     device,
                                                              dev_entry->common);
-                                        }
-                                        else
-                                                BUG();
-                                }
+                                if (status != SALRET_OK)
+                                        panic("SAL call failed: %s\n",
+                                              ia64_sal_strerror(status));
 
                                 spin_lock_init(&dev_entry->sfdl_flush_lock);
                         }
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index 8d950c778bb6..36e5437a0fb6 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -447,7 +447,7 @@ xpc_allocate_local_msgqueue(struct xpc_channel *ch)
 
                 nbytes = nentries * ch->msg_size;
                 ch->local_msgqueue = xpc_kmalloc_cacheline_aligned(nbytes,
-                                                (GFP_KERNEL | GFP_DMA),
+                                                GFP_KERNEL,
                                                 &ch->local_msgqueue_base);
                 if (ch->local_msgqueue == NULL) {
                         continue;
@@ -455,7 +455,7 @@ xpc_allocate_local_msgqueue(struct xpc_channel *ch)
                 memset(ch->local_msgqueue, 0, nbytes);
 
                 nbytes = nentries * sizeof(struct xpc_notify);
-                ch->notify_queue = kmalloc(nbytes, (GFP_KERNEL | GFP_DMA));
+                ch->notify_queue = kmalloc(nbytes, GFP_KERNEL);
                 if (ch->notify_queue == NULL) {
                         kfree(ch->local_msgqueue_base);
                         ch->local_msgqueue = NULL;
@@ -502,7 +502,7 @@ xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
 
                 nbytes = nentries * ch->msg_size;
                 ch->remote_msgqueue = xpc_kmalloc_cacheline_aligned(nbytes,
-                                                (GFP_KERNEL | GFP_DMA),
+                                                GFP_KERNEL,
                                                 &ch->remote_msgqueue_base);
                 if (ch->remote_msgqueue == NULL) {
                         continue;
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 9bf9f23b9a1f..5a36292388eb 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -90,14 +90,14 @@ void *sn_dma_alloc_coherent(struct device *dev, size_t size,
          */
         node = pcibus_to_node(pdev->bus);
         if (likely(node >=0)) {
-                struct page *p = alloc_pages_node(node, GFP_ATOMIC, get_order(size));
+                struct page *p = alloc_pages_node(node, flags, get_order(size));
 
                 if (likely(p))
                         cpuaddr = page_address(p);
                 else
                         return NULL;
         } else
-                cpuaddr = (void *)__get_free_pages(GFP_ATOMIC, get_order(size));
+                cpuaddr = (void *)__get_free_pages(flags, get_order(size));
 
         if (unlikely(!cpuaddr))
                 return NULL;