int acpi_sleep_prepare(u32 acpi_state)
{
-#ifdef CONFIG_ACPI_SLEEP
/* do we have a wakeup address for S2 and S3? */
if (acpi_state == ACPI_STATE_S3) {
if (!acpi_wakeup_address) {
}
ACPI_FLUSH_CPU_CACHE();
acpi_enable_wakeup_device_prep(acpi_state);
-#endif
acpi_gpe_sleep_prepare(acpi_state);
acpi_enter_sleep_state_prep(acpi_state);
return 0;