UPSTREAM: usb: dwc3: gadget: start Bulk endpoints more frequently

Now we can try to issue Update Transfer every time
gadget driver queues a new request. This will make
sure we keep controller's queue busy for as long as
possible.

Change-Id: Id0418f2b4930e442d3bae7be87270100c0b347f5
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit ba62c09d5cc240e55eb39e92d88f1036bb1d9221)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 8233716efb3695571ce9c0d808384b5b3e656a83..178cf6581cfeeac5b49310f930d87c12fe89ebbe 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1144,8 +1144,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
         * little bit faster.
         */
        if (!usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
-                       !usb_endpoint_xfer_int(dep->endpoint.desc) &&
-                       !(dep->flags & DWC3_EP_BUSY)) {
+                       !usb_endpoint_xfer_int(dep->endpoint.desc)) {
                ret = __dwc3_gadget_kick_transfer(dep, 0);
                goto out;
        }