diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 554626e..09dbcb8 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -215,6 +215,8 @@
 		shost->shost_gendev.parent = dev ? dev : &platform_bus;
 	shost->dma_dev = dma_dev;
 
+	device_enable_async_suspend(&shost->shost_gendev);
+
 	error = device_add(&shost->shost_gendev);
 	if (error)
 		goto out;
@@ -222,6 +224,8 @@
 	scsi_host_set_state(shost, SHOST_RUNNING);
 	get_device(shost->shost_gendev.parent);
 
+	device_enable_async_suspend(&shost->shost_dev);
+
 	error = device_add(&shost->shost_dev);
 	if (error)
 		goto out_del_gendev;
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 5a06505..c558080 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -847,6 +847,8 @@
 	if (starget->state != STARGET_CREATED)
 		return 0;
 
+	device_enable_async_suspend(&starget->dev);
+
 	error = device_add(&starget->dev);
 	if (error) {
 		dev_err(&starget->dev, "target device_add failed, error %d\n", error);
@@ -886,11 +888,13 @@
 		return error;
 
 	transport_configure_device(&starget->dev);
+	device_enable_async_suspend(&sdev->sdev_gendev);
 	error = device_add(&sdev->sdev_gendev);
 	if (error) {
 		printk(KERN_INFO "error 1\n");
 		goto out_remove;
 	}
+	device_enable_async_suspend(&sdev->sdev_dev);
 	error = device_add(&sdev->sdev_dev);
 	if (error) {
 		printk(KERN_INFO "error 2\n");