diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 05a31b5..8aa9254 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -630,6 +630,7 @@
 static int acpi_freeze_prepare(void)
 {
 	acpi_enable_all_wakeup_gpes();
+	acpi_os_wait_events_complete();
 	enable_irq_wake(acpi_gbl_FADT.sci_interrupt);
 	return 0;
 }
@@ -825,6 +826,7 @@
 	/* Prepare to power off the system */
 	acpi_sleep_prepare(ACPI_STATE_S5);
 	acpi_disable_all_gpes();
+	acpi_os_wait_events_complete();
 }
 
 static void acpi_power_off(void)