acpi: fix early DSDT dmi check warnings on ia64

Commit Message

Lin Ming April 29, 2010, 1:42 a.m. UTC

None

Patch

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 49af19b..047de07 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -847,8 +847,10 @@  void __init acpi_early_init(void)
 	/*
 	 * If the machine falls into the DMI check table,
 	 * DSDT will be copied to memory
+	 * Only check x86, it's too early to check dmi for ia64
 	 */
-	dmi_check_system(dsdt_dmi_table);
+	if (dmi_available)
+		dmi_check_system(dsdt_dmi_table);
 
 	status = acpi_reallocate_root_table();
 	if (ACPI_FAILURE(status)) {