From: Felipe Balbi Date: Tue, 25 Oct 2016 10:54:00 +0000 (+0300) Subject: usb: dwc3: gadget: always kick if num_pending_sgs > 0 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ff377ae47de5c395ec47baabcde0f3011e71ae70;p=linux-beck.git usb: dwc3: gadget: always kick if num_pending_sgs > 0 When we get a half-way processed request, we should make sure to try to prepare further TRBs for it or for any possibly queued up request held in our pending_list. This will make sure our controller is kept busy for as long as possible. Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 4643c25702ae..a9c1d75ba7d5 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2123,8 +2123,7 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, req->request.actual = length - req->remaining; - if (ret && chain && (req->request.actual < length) - && req->num_pending_sgs) + if ((req->request.actual < length) && req->num_pending_sgs) return __dwc3_gadget_kick_transfer(dep, 0); dwc3_gadget_giveback(dep, req, status);