1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index c7f0c9cd8701..5419938ef297 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -233,6 +233,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
                 break;
         }
 
+        /* If ACPI is not enabled by the BIOS, we need to enable it here. */
+        acpi_enable();
         /* Reprogram control registers and execute _BFS */
         acpi_leave_sleep_state_prep(acpi_state);