ACPI is initialized after scanning pci device.
---
 arch/x86/pci/legacy.c |    7 +++++++
 drivers/acpi/bus.c    |   14 +++++++++++---
 drivers/acpi/glue.c   |    5 +++--
 3 files changed, 21 insertions(+), 5 deletions(-)

Index: linux-2.6.28-rc8/drivers/acpi/glue.c
===================================================================
--- linux-2.6.28-rc8.orig/drivers/acpi/glue.c
+++ linux-2.6.28-rc8/drivers/acpi/glue.c
@@ -294,8 +294,9 @@ static int __init init_acpi_device_notif
 		printk(KERN_ERR PREFIX "Can't use platform_notify\n");
 		return 0;
 	}
-	platform_notify = acpi_platform_notify;
-	platform_notify_remove = acpi_platform_notify_remove;
+	/* disable the bind between pci and ACPI */
+	//platform_notify = acpi_platform_notify;
+	//platform_notify_remove = acpi_platform_notify_remove;
 	return 0;
 }
 
Index: linux-2.6.28-rc8/arch/x86/pci/legacy.c
===================================================================
--- linux-2.6.28-rc8.orig/arch/x86/pci/legacy.c
+++ linux-2.6.28-rc8/arch/x86/pci/legacy.c
@@ -72,4 +72,11 @@ int __init pci_subsys_init(void)
 
 	return 0;
 }
+int __init pci_test_scan_init(void)
+{
+	pci_legacy_init();
+	pcibios_scanned--;
+	return 0;
+}
+arch_initcall_sync(pci_test_scan_init);
 subsys_initcall(pci_subsys_init);
Index: linux-2.6.28-rc8/drivers/acpi/bus.c
===================================================================
--- linux-2.6.28-rc8.orig/drivers/acpi/bus.c
+++ linux-2.6.28-rc8/drivers/acpi/bus.c
@@ -744,14 +744,14 @@ void __init acpi_early_init(void)
 	}
 #endif
 
-	status =
+/*	status =
 	    acpi_enable_subsystem(~
 				  (ACPI_NO_HARDWARE_INIT |
 				   ACPI_NO_ACPI_ENABLE));
 	if (ACPI_FAILURE(status)) {
 		printk(KERN_ERR PREFIX "Unable to enable ACPI\n");
 		goto error0;
-	}
+	} */
 
 	return;
 
@@ -848,8 +848,16 @@ struct kobject *acpi_kobj;
 static int __init acpi_init(void)
 {
 	int result = 0;
+	acpi_status status = AE_OK;
 
-
+	status =
+	    acpi_enable_subsystem(~
+				  (ACPI_NO_HARDWARE_INIT |
+				   ACPI_NO_ACPI_ENABLE));
+	if (ACPI_FAILURE(status)) {
+		printk(KERN_ERR PREFIX "Unable to enable ACPI\n");
+		disable_acpi();
+	}
 	if (acpi_disabled) {
 		printk(KERN_INFO PREFIX "Interpreter disabled.\n");
 		return -ENODEV;