[IA64] IOSAPIC bogus error cleanup

On Altix (sn2) machines the "Error parsing MADT" message is
misleading because the lack of IOSAPIC entries is expected.

Since I am sure someone will ask, I have been told that
the chance of this changing anytime soon is close to nil.

Signed-off-by: George Beshers <gbeshers@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 3d45d24a9d61..897e2083a3b1 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -678,9 +678,11 @@ int __init acpi_boot_init(void)
         /* I/O APIC */
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
-                printk(KERN_ERR PREFIX
-                       "Error parsing MADT - no IOSAPIC entries\n");
+            (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1) {
+                if (!ia64_platform_is("sn2"))
+                        printk(KERN_ERR PREFIX
+                               "Error parsing MADT - no IOSAPIC entries\n");
+        }
 
         /* System-Level Interrupt Routing */