3 files changed, 32 insertions, 9 deletions

diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 65979f1fb353..75f0379958f9 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -25,6 +25,7 @@
 #include "xtalk/xwidgetdev.h"
 #include <linux/acpi.h>
 #include <asm/sn/sn2/sn_hwperf.h>
+#include <asm/sn/acpi.h>
 
 extern void sn_init_cpei_timer(void);
 extern void register_sn_procfs(void);
@@ -36,6 +37,7 @@ 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);
 
+
 static struct list_head sn_sysdata_list;
 
 /* sysdata list struct */
@@ -48,7 +50,7 @@ int sn_ioif_inited;		/* SN I/O infrastructure initialized? */
 
 struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES];       /* indexed by asic type */
 
-int sn_acpi_base_support()
+int sn_acpi_base_support(void)
 {
         struct acpi_table_header *header;
         (void)acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
@@ -293,7 +295,7 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
         list_add_tail(&pcidev_info->pdi_list,
                       &(SN_PLATFORM_DATA(dev->bus)->pcidev_info));
 
-        if (sn_acpi_base_support())
+        if (SN_ACPI_BASE_SUPPORT())
                 sn_acpi_slot_fixup(dev, pcidev_info);
         else
                 sn_more_slot_fixup(dev, pcidev_info);
@@ -505,7 +507,7 @@ void __devinit
 sn_pci_fixup_bus(struct pci_bus *bus)
 {
 
-        if (sn_acpi_base_support())
+        if (SN_ACPI_BASE_SUPPORT())
                 sn_acpi_bus_fixup(bus);
         else
                 sn_bus_fixup(bus);
@@ -551,9 +553,13 @@ sn_io_early_init(void)
         register_sn_procfs();
 #endif
 
-        printk(KERN_INFO "ACPI  DSDT OEM Rev 0x%x\n",
-               acpi_gbl_DSDT->oem_revision);
-        if (sn_acpi_base_support())
+        {
+                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
                 sn_io_init();
diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c
index b1a47da118b1..ab7e2fd40798 100644
--- a/arch/ia64/sn/kernel/iomv.c
+++ b/arch/ia64/sn/kernel/iomv.c
@@ -16,6 +16,7 @@
 #include <asm/sn/pda.h>
 #include <asm/sn/sn_cpuid.h>
 #include <asm/sn/shub_mmr.h>
+#include <asm/sn/acpi.h>
 
 #define IS_LEGACY_VGA_IOPORT(p) \
         (((p) >= 0x3b0 && (p) <= 0x3bb) || ((p) >= 0x3c0 && (p) <= 0x3df))
@@ -29,8 +30,6 @@
  * SN i/o address.  Used by sn_in*() and sn_out*().
  */
 
-extern int sn_acpi_base_support();
-
 void *sn_io_addr(unsigned long port)
 {
         if (!IS_RUNNING_ON_SIMULATOR()) {
@@ -39,7 +38,7 @@ void *sn_io_addr(unsigned long port)
                 /* On sn2, legacy I/O ports don't point at anything */
                 if (port < (64 * 1024))
                         return NULL;
-                if (sn_acpi_base_support())
+                if (SN_ACPI_BASE_SUPPORT())
                         return (__ia64_mk_io_addr(port));
                 else
                         return ((void *)(port | __IA64_UNCACHED_OFFSET));
diff --git a/include/asm-ia64/sn/acpi.h b/include/asm-ia64/sn/acpi.h
new file mode 100644
index 000000000000..7d6cb3b686e7
--- /dev/null
+++ b/include/asm-ia64/sn/acpi.h
@@ -0,0 +1,18 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2006 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_IA64_SN_ACPI_H
+#define _ASM_IA64_SN_ACPI_H
+
+#include "acpi/acglobal.h"
+
+#define SN_ACPI_BASE_SUPPORT()   sn_acpi_base_support()
+
+extern int sn_acpi_base_support(void);
+
+#endif /* _ASM_IA64_SN_ACPI_H */