diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 0efa59e..4fa9582 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -893,7 +893,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	 */
 	lapic_timer_state_broadcast(pr, cx, 1);
 
-	if (cx->type == ACPI_STATE_C3)
+	if (cx->type == ACPI_STATE_C3 || cx->type == ACPI_STATE_C2)
 		ACPI_FLUSH_CPU_CACHE();
 
 	kt1 = ktime_get_real();