1 files changed, 13 insertions, 8 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index ab798867acdf..cda06f88c66e 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -236,9 +236,7 @@ acpi_parse_iosapic (acpi_table_entry_header *header, const unsigned long end)
         if (BAD_MADT_ENTRY(iosapic, end))
                 return -EINVAL;
 
-        iosapic_init(iosapic->address, iosapic->global_irq_base);
-
-        return 0;
+        return iosapic_init(iosapic->address, iosapic->global_irq_base);
 }
 
 
@@ -772,7 +770,7 @@ EXPORT_SYMBOL(acpi_unmap_lsapic);
  
 
 #ifdef CONFIG_ACPI_NUMA
-acpi_status __init
+acpi_status __devinit
 acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
 {
         struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
@@ -829,16 +827,23 @@ acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
 int
 acpi_register_ioapic (acpi_handle handle, u64 phys_addr, u32 gsi_base)
 {
-        /* TBD */
-        return -EINVAL;
+        int err;
+
+        if ((err = iosapic_init(phys_addr, gsi_base)))
+                return err;
+
+#if CONFIG_ACPI_NUMA
+        acpi_map_iosapic(handle, 0, NULL, NULL);
+#endif /* CONFIG_ACPI_NUMA */
+
+        return 0;
 }
 EXPORT_SYMBOL(acpi_register_ioapic);
 
 int
 acpi_unregister_ioapic (acpi_handle handle, u32 gsi_base)
 {
-        /* TBD */
-        return -EINVAL;
+        return iosapic_remove(gsi_base);
 }
 EXPORT_SYMBOL(acpi_unregister_ioapic);