11 files changed, 108 insertions, 101 deletions

diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index c381ea954892..f2778f2c4fd9 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -7,7 +7,7 @@ extra-y	:= head.o init_task.o vmlinux.lds
 obj-y := acpi.o entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o       \
          irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o          \
          salinfo.o setup.o signal.o sys_ia64.o time.o traps.o unaligned.o \
-         unwind.o mca.o mca_asm.o topology.o
+         unwind.o mca.o mca_asm.o topology.o dma-mapping.o
 
 obj-$(CONFIG_IA64_BRL_EMU)      += brl_emu.o
 obj-$(CONFIG_IA64_GENERIC)      += acpi-ext.o
@@ -43,9 +43,7 @@ ifneq ($(CONFIG_IA64_ESI),)
 obj-y                           += esi_stub.o   # must be in kernel proper
 endif
 obj-$(CONFIG_DMAR)              += pci-dma.o
-ifeq ($(CONFIG_DMAR), y)
 obj-$(CONFIG_SWIOTLB)           += pci-swiotlb.o
-endif
 
 # The gate DSO image is built using a special linker script.
 targets += gate.so gate-syms.o
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
new file mode 100644
index 000000000000..086a2aeb0404
--- /dev/null
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -0,0 +1,13 @@
+#include <linux/dma-mapping.h>
+
+/* Set this to 1 if there is a HW IOMMU in the system */
+int iommu_detected __read_mostly;
+
+struct dma_map_ops *dma_ops;
+EXPORT_SYMBOL(dma_ops);
+
+struct dma_map_ops *dma_get_ops(struct device *dev)
+{
+        return dma_ops;
+}
+EXPORT_SYMBOL(dma_get_ops);
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 226233a6fa19..7429752ef5ad 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -80,7 +80,7 @@ int show_interrupts(struct seq_file *p, void *v)
                 seq_printf(p, "%10u ", kstat_irqs(i));
 #else
                 for_each_online_cpu(j) {
-                        seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+                        seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
                 }
 #endif
                 seq_printf(p, " %14s", irq_desc[i].chip->name);
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 927ad027820c..acc4d19ae62a 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -493,16 +493,15 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
         saved_tpr = ia64_getreg(_IA64_REG_CR_TPR);
         ia64_srlz_d();
         while (vector != IA64_SPURIOUS_INT_VECTOR) {
-                struct irq_desc *desc = irq_to_desc(vector);
+                int irq = local_vector_to_irq(vector);
+                struct irq_desc *desc = irq_to_desc(irq);
 
                 if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {
                         smp_local_flush_tlb();
-                        kstat_incr_irqs_this_cpu(vector, desc);
-                } else if (unlikely(IS_RESCHEDULE(vector)))
-                        kstat_incr_irqs_this_cpu(vector, desc);
-                else {
-                        int irq = local_vector_to_irq(vector);
-
+                        kstat_incr_irqs_this_cpu(irq, desc);
+                } else if (unlikely(IS_RESCHEDULE(vector))) {
+                        kstat_incr_irqs_this_cpu(irq, desc);
+                } else {
                         ia64_setreg(_IA64_REG_CR_TPR, vector);
                         ia64_srlz_d();
 
@@ -545,24 +544,24 @@ void ia64_process_pending_intr(void)
 
         vector = ia64_get_ivr();
 
-         irq_enter();
-         saved_tpr = ia64_getreg(_IA64_REG_CR_TPR);
-         ia64_srlz_d();
+        irq_enter();
+        saved_tpr = ia64_getreg(_IA64_REG_CR_TPR);
+        ia64_srlz_d();
 
          /*
           * Perform normal interrupt style processing
           */
         while (vector != IA64_SPURIOUS_INT_VECTOR) {
-                struct irq_desc *desc = irq_to_desc(vector);
+                int irq = local_vector_to_irq(vector);
+                struct irq_desc *desc = irq_to_desc(irq);
 
                 if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {
                         smp_local_flush_tlb();
-                        kstat_incr_irqs_this_cpu(vector, desc);
-                } else if (unlikely(IS_RESCHEDULE(vector)))
-                        kstat_incr_irqs_this_cpu(vector, desc);
-                else {
+                        kstat_incr_irqs_this_cpu(irq, desc);
+                } else if (unlikely(IS_RESCHEDULE(vector))) {
+                        kstat_incr_irqs_this_cpu(irq, desc);
+                } else {
                         struct pt_regs *old_regs = set_irq_regs(NULL);
-                        int irq = local_vector_to_irq(vector);
 
                         ia64_setreg(_IA64_REG_CR_TPR, vector);
                         ia64_srlz_d();
diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c
index 7ccb228ceedc..d41a40ef80c0 100644
--- a/arch/ia64/kernel/machvec.c
+++ b/arch/ia64/kernel/machvec.c
@@ -1,5 +1,5 @@
 #include <linux/module.h>
-
+#include <linux/dma-mapping.h>
 #include <asm/machvec.h>
 #include <asm/system.h>
 
@@ -75,14 +75,16 @@ machvec_timer_interrupt (int irq, void *dev_id)
 EXPORT_SYMBOL(machvec_timer_interrupt);
 
 void
-machvec_dma_sync_single (struct device *hwdev, dma_addr_t dma_handle, size_t size, int dir)
+machvec_dma_sync_single(struct device *hwdev, dma_addr_t dma_handle, size_t size,
+                        enum dma_data_direction dir)
 {
         mb();
 }
 EXPORT_SYMBOL(machvec_dma_sync_single);
 
 void
-machvec_dma_sync_sg (struct device *hwdev, struct scatterlist *sg, int n, int dir)
+machvec_dma_sync_sg(struct device *hwdev, struct scatterlist *sg, int n,
+                    enum dma_data_direction dir)
 {
         mb();
 }
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index dcb6b7c51ea7..2b15e233f7fe 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -7,44 +7,7 @@
 #include <linux/msi.h>
 #include <linux/dmar.h>
 #include <asm/smp.h>
-
-/*
- * Shifts for APIC-based data
- */
-
-#define MSI_DATA_VECTOR_SHIFT           0
-#define     MSI_DATA_VECTOR(v)          (((u8)v) << MSI_DATA_VECTOR_SHIFT)
-#define MSI_DATA_VECTOR_MASK            0xffffff00
-
-#define MSI_DATA_DELIVERY_SHIFT         8
-#define     MSI_DATA_DELIVERY_FIXED     (0 << MSI_DATA_DELIVERY_SHIFT)
-#define     MSI_DATA_DELIVERY_LOWPRI    (1 << MSI_DATA_DELIVERY_SHIFT)
-
-#define MSI_DATA_LEVEL_SHIFT            14
-#define     MSI_DATA_LEVEL_DEASSERT     (0 << MSI_DATA_LEVEL_SHIFT)
-#define     MSI_DATA_LEVEL_ASSERT       (1 << MSI_DATA_LEVEL_SHIFT)
-
-#define MSI_DATA_TRIGGER_SHIFT          15
-#define     MSI_DATA_TRIGGER_EDGE       (0 << MSI_DATA_TRIGGER_SHIFT)
-#define     MSI_DATA_TRIGGER_LEVEL      (1 << MSI_DATA_TRIGGER_SHIFT)
-
-/*
- * Shift/mask fields for APIC-based bus address
- */
-
-#define MSI_TARGET_CPU_SHIFT            4
-#define MSI_ADDR_HEADER                 0xfee00000
-
-#define MSI_ADDR_DESTID_MASK            0xfff0000f
-#define     MSI_ADDR_DESTID_CPU(cpu)    ((cpu) << MSI_TARGET_CPU_SHIFT)
-
-#define MSI_ADDR_DESTMODE_SHIFT         2
-#define     MSI_ADDR_DESTMODE_PHYS      (0 << MSI_ADDR_DESTMODE_SHIFT)
-#define     MSI_ADDR_DESTMODE_LOGIC     (1 << MSI_ADDR_DESTMODE_SHIFT)
-
-#define MSI_ADDR_REDIRECTION_SHIFT      3
-#define     MSI_ADDR_REDIRECTION_CPU    (0 << MSI_ADDR_REDIRECTION_SHIFT)
-#define     MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT)
+#include <asm/msidef.h>
 
 static struct irq_chip  ia64_msi_chip;
 
@@ -65,8 +28,8 @@ static void ia64_set_msi_irq_affinity(unsigned int irq,
         read_msi_msg(irq, &msg);
 
         addr = msg.address_lo;
-        addr &= MSI_ADDR_DESTID_MASK;
-        addr |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu));
+        addr &= MSI_ADDR_DEST_ID_MASK;
+        addr |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
         msg.address_lo = addr;
 
         data = msg.data;
@@ -98,9 +61,9 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
         msg.address_hi = 0;
         msg.address_lo =
                 MSI_ADDR_HEADER |
-                MSI_ADDR_DESTMODE_PHYS |
+                MSI_ADDR_DEST_MODE_PHYS |
                 MSI_ADDR_REDIRECTION_CPU |
-                MSI_ADDR_DESTID_CPU(dest_phys_id);
+                MSI_ADDR_DEST_ID_CPU(dest_phys_id);
 
         msg.data =
                 MSI_DATA_TRIGGER_EDGE |
@@ -183,8 +146,8 @@ static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
 
         msg.data &= ~MSI_DATA_VECTOR_MASK;
         msg.data |= MSI_DATA_VECTOR(cfg->vector);
-        msg.address_lo &= ~MSI_ADDR_DESTID_MASK;
-        msg.address_lo |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu));
+        msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
+        msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
 
         dmar_msi_write(irq, &msg);
         cpumask_copy(irq_desc[irq].affinity, mask);
@@ -215,9 +178,9 @@ msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
         msg->address_hi = 0;
         msg->address_lo =
                 MSI_ADDR_HEADER |
-                MSI_ADDR_DESTMODE_PHYS |
+                MSI_ADDR_DEST_MODE_PHYS |
                 MSI_ADDR_REDIRECTION_CPU |
-                MSI_ADDR_DESTID_CPU(dest);
+                MSI_ADDR_DEST_ID_CPU(dest);
 
         msg->data =
                 MSI_DATA_TRIGGER_EDGE |
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index e5c57f413ca2..a4f19c70aadd 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -1002,8 +1002,6 @@ create_palinfo_proc_entries(unsigned int cpu)
                 *pdir = create_proc_read_entry(
                                 palinfo_entries[j].name, 0, cpu_dir,
                                 palinfo_read_entry, (void *)f.value);
-                if (*pdir)
-                        (*pdir)->owner = THIS_MODULE;
                 pdir++;
         }
 }
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index d0ada067a4af..e4cb443bb988 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -32,9 +32,6 @@ int force_iommu __read_mostly = 1;
 int force_iommu __read_mostly;
 #endif
 
-/* Set this to 1 if there is a HW IOMMU in the system */
-int iommu_detected __read_mostly;
-
 /* Dummy device used for NULL arguments (normally ISA). Better would
    be probably a smaller DMA mask, but this is bug-to-bug compatible
    to i386. */
@@ -44,18 +41,7 @@ struct device fallback_dev = {
         .dma_mask = &fallback_dev.coherent_dma_mask,
 };
 
-void __init pci_iommu_alloc(void)
-{
-        /*
-         * The order of these functions is important for
-         * fall-back/fail-over reasons
-         */
-        detect_intel_iommu();
-
-#ifdef CONFIG_SWIOTLB
-        pci_swiotlb_init();
-#endif
-}
+extern struct dma_map_ops intel_dma_ops;
 
 static int __init pci_iommu_init(void)
 {
@@ -79,15 +65,12 @@ iommu_dma_init(void)
         return;
 }
 
-struct dma_mapping_ops *dma_ops;
-EXPORT_SYMBOL(dma_ops);
-
 int iommu_dma_supported(struct device *dev, u64 mask)
 {
-        struct dma_mapping_ops *ops = get_dma_ops(dev);
+        struct dma_map_ops *ops = platform_dma_get_ops(dev);
 
-        if (ops->dma_supported_op)
-                return ops->dma_supported_op(dev, mask);
+        if (ops->dma_supported)
+                return ops->dma_supported(dev, mask);
 
         /* Copied from i386. Doesn't make much sense, because it will
            only work for pci_alloc_coherent.
@@ -116,4 +99,25 @@ int iommu_dma_supported(struct device *dev, u64 mask)
 }
 EXPORT_SYMBOL(iommu_dma_supported);
 
+void __init pci_iommu_alloc(void)
+{
+        dma_ops = &intel_dma_ops;
+
+        dma_ops->sync_single_for_cpu = machvec_dma_sync_single;
+        dma_ops->sync_sg_for_cpu = machvec_dma_sync_sg;
+        dma_ops->sync_single_for_device = machvec_dma_sync_single;
+        dma_ops->sync_sg_for_device = machvec_dma_sync_sg;
+        dma_ops->dma_supported = iommu_dma_supported;
+
+        /*
+         * The order of these functions is important for
+         * fall-back/fail-over reasons
+         */
+        detect_intel_iommu();
+
+#ifdef CONFIG_SWIOTLB
+        pci_swiotlb_init();
+#endif
+}
+
 #endif
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 16c50516dbc1..573f02c39a00 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -13,23 +13,37 @@
 int swiotlb __read_mostly;
 EXPORT_SYMBOL(swiotlb);
 
-struct dma_mapping_ops swiotlb_dma_ops = {
-        .mapping_error = swiotlb_dma_mapping_error,
-        .alloc_coherent = swiotlb_alloc_coherent,
+static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size,
+                                         dma_addr_t *dma_handle, gfp_t gfp)
+{
+        if (dev->coherent_dma_mask != DMA_64BIT_MASK)
+                gfp |= GFP_DMA;
+        return swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
+}
+
+struct dma_map_ops swiotlb_dma_ops = {
+        .alloc_coherent = ia64_swiotlb_alloc_coherent,
         .free_coherent = swiotlb_free_coherent,
-        .map_single = swiotlb_map_single,
-        .unmap_single = swiotlb_unmap_single,
+        .map_page = swiotlb_map_page,
+        .unmap_page = swiotlb_unmap_page,
+        .map_sg = swiotlb_map_sg_attrs,
+        .unmap_sg = swiotlb_unmap_sg_attrs,
         .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
         .sync_single_for_device = swiotlb_sync_single_for_device,
         .sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
         .sync_single_range_for_device = swiotlb_sync_single_range_for_device,
         .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
         .sync_sg_for_device = swiotlb_sync_sg_for_device,
-        .map_sg = swiotlb_map_sg,
-        .unmap_sg = swiotlb_unmap_sg,
-        .dma_supported_op = swiotlb_dma_supported,
+        .dma_supported = swiotlb_dma_supported,
+        .mapping_error = swiotlb_dma_mapping_error,
 };
 
+void __init swiotlb_dma_init(void)
+{
+        dma_ops = &swiotlb_dma_ops;
+        swiotlb_init();
+}
+
 void __init pci_swiotlb_init(void)
 {
         if (!iommu_detected) {
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 0e499757309b..5c0f408cfd71 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2196,7 +2196,7 @@ pfmfs_delete_dentry(struct dentry *dentry)
         return 1;
 }
 
-static struct dentry_operations pfmfs_dentry_operations = {
+static const struct dentry_operations pfmfs_dentry_operations = {
         .d_delete = pfmfs_delete_dentry,
 };
 
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index f0ebb342409d..d6747bae52d8 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -20,6 +20,7 @@
 #include <linux/efi.h>
 #include <linux/timex.h>
 #include <linux/clocksource.h>
+#include <linux/platform_device.h>
 
 #include <asm/machvec.h>
 #include <asm/delay.h>
@@ -405,6 +406,21 @@ static struct irqaction timer_irqaction = {
         .name =         "timer"
 };
 
+static struct platform_device rtc_efi_dev = {
+        .name = "rtc-efi",
+        .id = -1,
+};
+
+static int __init rtc_init(void)
+{
+        if (platform_device_register(&rtc_efi_dev) < 0)
+                printk(KERN_ERR "unable to register rtc device...\n");
+
+        /* not necessarily an error */
+        return 0;
+}
+module_init(rtc_init);
+
 void __init
 time_init (void)
 {