From: Sebastian Andrzej Siewior Date: Mon, 22 Aug 2011 15:42:19 +0000 (+0200) Subject: usb: dwc3: gadget: use TRB type 6 for ISOC transfers X-Git-Tag: v3.2-rc1~183^2~148^2~44 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5a18999ebd880f6fc4264aa5687daad4c4013bce;p=linux-block.git usb: dwc3: gadget: use TRB type 6 for ISOC transfers Type 6 should be used for the first transfer during an interval. This is also what the reference driver is using. Type 7 seems to be for following or additional transfers within the same interval. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index a324957c38f0..ebe6bbcfeb67 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -632,7 +632,7 @@ static struct dwc3_request *dwc3_prepare_trbs(struct dwc3_ep *dep, break; case USB_ENDPOINT_XFER_ISOC: - trb.trbctl = DWC3_TRBCTL_ISOCHRONOUS; + trb.trbctl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; /* IOC every DWC3_TRB_NUM / 4 so we can refill */ if (!(cur_slot % (DWC3_TRB_NUM / 4)))