usb: dwc3: gadget: pre-issue Start Transfer for Interrupt EPs too

Interrupt endpoints behave much like Bulk endpoints with the exception
that they are periodic. We can pre-issue Start Transfer exactly as we
do for Bulk endpoints.

While at that, remove one trailing blank line which is unnecessary.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 43cbc36..36fabde 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -671,7 +671,8 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep,
         * Issue StartTransfer here with no-op TRB so we can always rely on No
         * Response Update Transfer command.
         */
-       if (usb_endpoint_xfer_bulk(desc)) {
+       if (usb_endpoint_xfer_bulk(desc) ||
+                       usb_endpoint_xfer_int(desc)) {
                struct dwc3_gadget_ep_cmd_params params;
                struct dwc3_trb *trb;
                dma_addr_t trb_dma;
@@ -696,7 +697,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep,
                WARN_ON_ONCE(!dep->resource_index);
        }
 
-
 out:
        trace_dwc3_gadget_ep_enable(dep);