2 files changed, 7 insertions, 5 deletions

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 1815034ccb7a..830c851384bf 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2211,12 +2211,13 @@ static int hub_port_debounce(struct usb_hub *hub, int port1)
         return portstatus;
 }
 
-static void ep0_reinit(struct usb_device *udev)
+void usb_ep0_reinit(struct usb_device *udev)
 {
         usb_disable_endpoint(udev, 0 + USB_DIR_IN);
         usb_disable_endpoint(udev, 0 + USB_DIR_OUT);
         usb_enable_endpoint(udev, &udev->ep0);
 }
+EXPORT_SYMBOL_GPL(usb_ep0_reinit);
 
 #define usb_sndaddr0pipe()      (PIPE_CONTROL << 30)
 #define usb_rcvaddr0pipe()      ((PIPE_CONTROL << 30) | USB_DIR_IN)
@@ -2237,7 +2238,7 @@ static int hub_set_address(struct usb_device *udev, int devnum)
         if (retval == 0) {
                 udev->devnum = devnum;  /* Device now using proper address */
                 usb_set_device_state(udev, USB_STATE_ADDRESS);
-                ep0_reinit(udev);
+                usb_ep0_reinit(udev);
         }
         return retval;
 }
@@ -2473,7 +2474,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
                 }
                 dev_dbg(&udev->dev, "ep0 maxpacket = %d\n", i);
                 udev->ep0.desc.wMaxPacketSize = cpu_to_le16(i);
-                ep0_reinit(udev);
+                usb_ep0_reinit(udev);
         }
   
         retval = usb_get_device_descriptor(udev, USB_DT_DEVICE_SIZE);
@@ -2729,7 +2730,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
 loop_disable:
                 hub_port_disable(hub, port1, 1);
 loop:
-                ep0_reinit(udev);
+                usb_ep0_reinit(udev);
                 release_address(udev);
                 usb_put_dev(udev);
                 if ((status == -ENOTCONN) || (status == -ENOTSUPP))
@@ -3164,7 +3165,7 @@ int usb_reset_device(struct usb_device *udev)
 
                 /* ep0 maxpacket size may change; let the HCD know about it.
                  * Other endpoints will be handled by re-enumeration. */
-                ep0_reinit(udev);
+                usb_ep0_reinit(udev);
                 ret = hub_port_init(parent_hub, udev, port1, i);
                 if (ret >= 0 || ret == -ENOTCONN || ret == -ENODEV)
                         break;
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index d672cd81a3e4..2a116ce53c9b 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -195,5 +195,6 @@ struct usb_tt_clear {
 };
 
 extern void usb_hub_tt_clear_buffer(struct usb_device *dev, int pipe);
+extern void usb_ep0_reinit(struct usb_device *);
 
 #endif /* __LINUX_HUB_H */