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

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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 ba62c09d5c)
This commit is contained in:
Felipe Balbi
2016-05-30 13:41:22 +03:00
committed by Huang, Tao
parent 2a1f2d1e89
commit 796b829ebb
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/dwc3/gadget.c
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@@ -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;
}