diff options
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 3a5c2715a3b5..28d512a65ada 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -726,6 +726,9 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; else trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS; + + /* always enable Interrupt on Missed ISOC */ + trb->ctrl |= DWC3_TRB_CTRL_ISP_IMI; break; case USB_ENDPOINT_XFER_BULK: @@ -740,15 +743,14 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, BUG(); } - if (!req->request.no_interrupt && !chain) - trb->ctrl |= DWC3_TRB_CTRL_IOC; + /* always enable Continue on Short Packet */ + trb->ctrl |= DWC3_TRB_CTRL_CSP; - if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) { - trb->ctrl |= DWC3_TRB_CTRL_ISP_IMI; - trb->ctrl |= DWC3_TRB_CTRL_CSP; - } else if (last) { + if (!req->request.no_interrupt) + trb->ctrl |= DWC3_TRB_CTRL_IOC | DWC3_TRB_CTRL_ISP_IMI; + + if (last) trb->ctrl |= DWC3_TRB_CTRL_LST; - } if (chain) trb->ctrl |= DWC3_TRB_CTRL_CHN; |