1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 85ec65ada123..32e5591ae7b1 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -402,10 +402,25 @@ static void driver_disconnect(struct usb_interface *intf)
         destroy_async_on_interface(ps, ifnum);
 }
 
+/* The following routines are merely placeholders.  There is no way
+ * to inform a user task about suspend or resumes.
+ */
+static int driver_suspend(struct usb_interface *intf, pm_message_t msg)
+{
+        return 0;
+}
+
+static int driver_resume(struct usb_interface *intf)
+{
+        return 0;
+}
+
 struct usb_driver usbfs_driver = {
         .name =         "usbfs",
         .probe =        driver_probe,
         .disconnect =   driver_disconnect,
+        .suspend =      driver_suspend,
+        .resume =       driver_resume,
 };
 
 static int claimintf(struct dev_state *ps, unsigned int ifnum)