diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/mv_udc.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/usb/gadget/mv_udc.c b/drivers/usb/gadget/mv_udc.c index dbdf878d93..9ec575a077 100644 --- a/drivers/usb/gadget/mv_udc.c +++ b/drivers/usb/gadget/mv_udc.c @@ -123,6 +123,19 @@ static struct ept_queue_head *mv_get_qh(int ep_num, int dir_in) return &controller.epts[(ep_num * 2) + dir_in]; } +/** + * mv_get_qtd() - return queue item for endpoint + * @ep_num: Endpoint number + * @dir_in: Direction of the endpoint (IN = 1, OUT = 0) + * + * This function returns the QH associated with particular endpoint + * and it's direction. + */ +static struct ept_queue_item *mv_get_qtd(int ep_num, int dir_in) +{ + return controller.items[(ep_num * 2) + dir_in]; +} + static struct usb_request * mv_ep_alloc_request(struct usb_ep *ep, unsigned int gfp_flags) { @@ -181,7 +194,7 @@ static int mv_ep_queue(struct usb_ep *ep, int bit, num, len, in; num = mv_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; in = (mv_ep->desc->bEndpointAddress & USB_DIR_IN) != 0; - item = controller.items[2 * num + in]; + item = mv_get_qtd(num, in); head = mv_get_qh(num, in); phys = (unsigned)req->buf; len = req->length; @@ -217,7 +230,7 @@ static void handle_ep_complete(struct mv_ep *ep) in = (ep->desc->bEndpointAddress & USB_DIR_IN) != 0; if (num == 0) ep->desc = &ep0_out_desc; - item = controller.items[2 * num + in]; + item = mv_get_qtd(num, in); if (item->info & 0xff) printf("EP%d/%s FAIL nfo=%x pg0=%x\n", |