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-rw-r--r--drivers/acpi/sleep/main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 2cbb9aabd00e..caf8721ae6fb 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -256,6 +256,11 @@ static int acpi_hibernation_enter(void)
static void acpi_hibernation_finish(void)
{
+ /*
+ * If ACPI is not enabled by the BIOS and the boot kernel, we need to
+ * enable it here.
+ */
+ acpi_enable();
acpi_leave_sleep_state(ACPI_STATE_S4);
acpi_disable_wakeup_device(ACPI_STATE_S4);