diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index 9a7f0ea..74aaee3 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -291,6 +291,7 @@ int ata_tport_add(struct device *parent,
 		goto tport_err;
 	}
 
+	device_enable_async_suspend(dev);
 	pm_runtime_set_active(dev);
 	pm_runtime_enable(dev);