2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 93b28ee8e8bd..95ae6377d7e5 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1255,6 +1255,7 @@ static void acm_disconnect(struct usb_interface *intf)
 		tty_hangup(acm->tty);
 }
 
+#ifdef CONFIG_PM
 static int acm_suspend(struct usb_interface *intf, pm_message_t message)
 {
 	struct acm *acm = usb_get_intfdata(intf);
@@ -1320,6 +1321,8 @@ err_out:
 	mutex_unlock(&acm->mutex);
 	return rv;
 }
+
+#endif /* CONFIG_PM */
 /*
  * USB driver structure.
  */
@@ -1375,10 +1378,14 @@ static struct usb_driver acm_driver = {
 	.name =		"cdc_acm",
 	.probe =	acm_probe,
 	.disconnect =	acm_disconnect,
+#ifdef CONFIG_PM
 	.suspend =	acm_suspend,
 	.resume =	acm_resume,
+#endif
 	.id_table =	acm_ids,
+#ifdef CONFIG_PM
 	.supports_autosuspend = 1,
+#endif
 };
 
 /*
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 1103ce7016b1..7e8e1235e4e5 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -750,12 +750,16 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message)
 	dev_dbg(&desc->intf->dev, "wdm%d_suspend\n", intf->minor);
 
 	mutex_lock(&desc->plock);
+#ifdef CONFIG_PM
 	if (interface_to_usbdev(desc->intf)->auto_pm && test_bit(WDM_IN_USE, &desc->flags)) {
 		rv = -EBUSY;
 	} else {
+#endif
 		cancel_work_sync(&desc->rxwork);
 		kill_urbs(desc);
+#ifdef CONFIG_PM
 	}
+#endif
 	mutex_unlock(&desc->plock);
 
 	return rv;