diff options
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 6d524fa76443..789976567f9f 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1464,8 +1464,18 @@ static int dwc3_prepare_trbs_sg(struct dwc3_ep *dep, */ if (num_trbs_left == 1 || (needs_extra_trb && num_trbs_left <= 2 && - sg_dma_len(sg_next(s)) >= length)) - must_interrupt = true; + sg_dma_len(sg_next(s)) >= length)) { + struct dwc3_request *r; + + /* Check if previous requests already set IOC */ + list_for_each_entry(r, &dep->started_list, list) { + if (r != req && !r->request.no_interrupt) + break; + + if (r == req) + must_interrupt = true; + } + } dwc3_prepare_one_trb(dep, req, trb_length, 1, i, false, must_interrupt); |