diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c index f47f16c25f15e97f4b0fbb01ff89a97b2cfbdbc7..753e93b5440cabff0c1baf1aa48ed4c7cec509b7 100644 --- a/drivers/usb/gadget/udc/at91_udc.c +++ b/drivers/usb/gadget/udc/at91_udc.c @@ -840,6 +840,31 @@ static void udc_reinit(struct at91_udc *udc) } } +static void reset_gadget(struct at91_udc *udc) +{ + struct usb_gadget_driver *driver = udc->driver; + int i; + + if (udc->gadget.speed == USB_SPEED_UNKNOWN) + driver = NULL; + udc->gadget.speed = USB_SPEED_UNKNOWN; + udc->suspended = 0; + + for (i = 0; i < NUM_ENDPOINTS; i++) { + struct at91_ep *ep = &udc->ep[i]; + + ep->stopped = 1; + nuke(ep, -ESHUTDOWN); + } + if (driver) { + spin_unlock(&udc->lock); + usb_gadget_udc_reset(&udc->gadget, driver); + spin_lock(&udc->lock); + } + + udc_reinit(udc); +} + static void stop_activity(struct at91_udc *udc) { struct usb_gadget_driver *driver = udc->driver; @@ -1426,7 +1451,7 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc) at91_udp_write(udc, AT91_UDP_ICR, AT91_UDP_ENDBUSRES); VDBG("end bus reset\n"); udc->addr = 0; - stop_activity(udc); + reset_gadget(udc); /* enable ep0 */ at91_udp_write(udc, AT91_UDP_CSR(0),