ACPI: use _STA bit names rather than 0x0F

Be explicit about what "device->status = 0x0F" really means.

syntax only.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index dd49ea0..e5084ec 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -103,7 +103,9 @@
 	else if (device->parent)
 		device->status = device->parent->status;
 	else
-		STRUCT_TO_INT(device->status) = 0x0F;
+		STRUCT_TO_INT(device->status) =
+		    ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED |
+		    ACPI_STA_DEVICE_UI      | ACPI_STA_DEVICE_FUNCTIONING;
 
 	if (device->status.functional && !device->status.present) {
 		printk(KERN_WARNING PREFIX "Device [%s] status [%08x]: "
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index bb0e0da..d80dd84 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1068,7 +1068,9 @@
 		}
 		break;
 	default:
-		STRUCT_TO_INT(device->status) = 0x0F;
+		STRUCT_TO_INT(device->status) =
+		    ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED |
+		    ACPI_STA_DEVICE_UI      | ACPI_STA_DEVICE_FUNCTIONING;
 		break;
 	}