ACPI / scan: constify ACPI device ids

Make the button ACPI device ID array static const. Safes us a little bit
of code.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index b19283b336c74b156e8723fbb8756a3afb7cb1b6..0a099917a0064d57cd04b443d1f44af5a2385509 100644 (file)
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1673,7 +1673,7 @@ static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
 
 static void acpi_wakeup_gpe_init(struct acpi_device *device)
 {
-       struct acpi_device_id button_device_ids[] = {
+       static const struct acpi_device_id button_device_ids[] = {
                {"PNP0C0C", 0},
                {"PNP0C0D", 0},
                {"PNP0C0E", 0},