--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -294,6 +294,7 @@ int ata_tport_add(struct device *parent,
  	device_enable_async_suspend(dev);
  	pm_runtime_set_active(dev);
  	pm_runtime_enable(dev);
+	pm_runtime_forbid(dev);

  	transport_add_device(dev);
  	transport_configure_device(dev);