diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ccae305..0885fc7 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -77,7 +77,7 @@
 int acpi_bus_get_status(struct acpi_device *device)
 {
 	acpi_status status = AE_OK;
-	unsigned long sta = 0;
+	unsigned long long sta = 0;
 
 
 	if (!device)
@@ -155,7 +155,7 @@
 	int result = 0;
 	acpi_status status = 0;
 	struct acpi_device *device = NULL;
-	unsigned long psc = 0;
+	unsigned long long psc = 0;
 
 
 	result = acpi_bus_get_device(handle, &device);