It is used for udc to pullup dp when necessary

Signed-off-by: Peter Chen <peter.c...@freescale.com>
---
 drivers/usb/gadget/legacy/dbgp.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c
index 986fc51..bcc780b 100644
--- a/drivers/usb/gadget/legacy/dbgp.c
+++ b/drivers/usb/gadget/legacy/dbgp.c
@@ -402,6 +402,17 @@ fail:
        return err;
 }
 
+/*
+ * UDC driver calls this when it wants to pull up dp.
+ */
+static int dbgp_connect(struct usb_gadget *gadget, bool connect)
+{
+       if (connect)
+               return usb_gadget_connect(gadget);
+       else
+               return usb_gadget_disconnect(gadget);
+}
+
 static __refdata struct usb_gadget_driver dbgp_driver = {
        .function = "dbgp",
        .max_speed = USB_SPEED_HIGH,
@@ -409,6 +420,7 @@ static __refdata struct usb_gadget_driver dbgp_driver = {
        .unbind = dbgp_unbind,
        .setup = dbgp_setup,
        .disconnect = dbgp_disconnect,
+       .connect = dbgp_connect,
        .driver = {
                .owner = THIS_MODULE,
                .name = "dbgp"
-- 
1.7.9.5

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