The net2280 UDC driver invokes the gadget driver's ->disconnect() callback routine when the net2280_pullup() routine turns off the D+ pullup. This is now unnecessary, because the gadget core performs the callback on our behalf. This patch removes the unneeded callback. Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> --- [as1875] drivers/usb/gadget/udc/net2280.c | 3 --- 1 file changed, 3 deletions(-) Index: usb-4.x/drivers/usb/gadget/udc/net2280.c =================================================================== --- usb-4.x.orig/drivers/usb/gadget/udc/net2280.c +++ usb-4.x/drivers/usb/gadget/udc/net2280.c @@ -1550,9 +1550,6 @@ static int net2280_pullup(struct usb_gad spin_unlock_irqrestore(&dev->lock, flags); - if (!is_on && dev->driver) - dev->driver->disconnect(&dev->gadget); - return 0; }