From b997ada5db905e24494bcc689c7b2c07d278ca27 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Thu, 26 Jul 2012 13:26:50 +0300 Subject: usb: dwc3: gadget: pre-start Stream transfers when they're queued we need to pre-start stream transfers otherwise we will never know when to start them. Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/gadget.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 9f82436b4b1e..1730cd0928c5 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1129,6 +1129,23 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) return ret; } + /* + * 4. Stream Capable Bulk Endpoints. We need to start the transfer + * right away, otherwise host will not know we have streams to be + * handled. + */ + if (dep->stream_capable) { + int ret; + + ret = __dwc3_gadget_kick_transfer(dep, 0, true); + if (ret && ret != -EBUSY) { + struct dwc3 *dwc = dep->dwc; + + dev_dbg(dwc->dev, "%s: failed to kick transfers\n", + dep->name); + } + } + return 0; } -- cgit v1.2.3