| Message ID | 1448919303-15145-1-git-send-email-balbi@ti.com |
|---|---|
| State | Accepted |
| Commit | 62e345ae5b6ed977b02c24d1eaeaece062f9fb17 |
| Headers | show |
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 55ba447fdf8b..e5bb60242ffa 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1078,6 +1078,7 @@ 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)) { ret = __dwc3_gadget_kick_transfer(dep, 0, true); goto out;
Because interrupt endpoints usually transmit such small amounts of data, it seems pointless to prestart transfers and try to get speed improvements. This patch also sorts out a problem with CDC ECM function where its notification endpoint gets stuck in busy state and we continuously issue Update Transfer commands. Fixes: 8a1a9c9e4503 ("usb: dwc3: gadget: start transfer on XFER_COMPLETE") Signed-off-by: Felipe Balbi <balbi@ti.com> --- drivers/usb/dwc3/gadget.c | 1 + 1 file changed, 1 insertion(+) -- 2.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html