ACPI / ACPICA: Implicit notify for multiple devices

[firefly-linux-kernel-4.4.55.git] / drivers / acpi / wakeup.c

diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c
index ed6501452507ff73ee796fd07f29097987b0dd01..7bfbe40bc43bcb5e736c4c77788d4b7d577de160 100644 (file)
--- a/drivers/acpi/wakeup.c
+++ b/drivers/acpi/wakeup.c
@@ -86,8 +86,12 @@ int __init acpi_wakeup_device_init(void)
                struct acpi_device *dev = container_of(node,
                                                       struct acpi_device,
                                                       wakeup_list);
-               if (device_can_wakeup(&dev->dev))
+               if (device_can_wakeup(&dev->dev)) {
+                       /* Button GPEs are supposed to be always enabled. */
+                       acpi_enable_gpe(dev->wakeup.gpe_device,
+                                       dev->wakeup.gpe_number);
                        device_set_wakeup_enable(&dev->dev, true);
+               }
        }
        mutex_unlock(&acpi_device_lock);
        return 0;