diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 81bfb9a..55ba447 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1884,27 +1884,32 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, unsigned int i; int ret; - req = next_request(&dep->req_queued); - if (!req) { - WARN_ON_ONCE(1); - return 1; - } - i = 0; do { - slot = req->start_slot + i; - if ((slot == DWC3_TRB_NUM - 1) && + req = next_request(&dep->req_queued); + if (!req) { + WARN_ON_ONCE(1); + return 1; + } + i = 0; + do { + slot = req->start_slot + i; + if ((slot == DWC3_TRB_NUM - 1) && usb_endpoint_xfer_isoc(dep->endpoint.desc)) - slot++; - slot %= DWC3_TRB_NUM; - trb = &dep->trb_pool[slot]; + slot++; + slot %= DWC3_TRB_NUM; + trb = &dep->trb_pool[slot]; + + ret = __dwc3_cleanup_done_trbs(dwc, dep, req, trb, + event, status); + if (ret) + break; + } while (++i < req->request.num_mapped_sgs); + + dwc3_gadget_giveback(dep, req, status); - ret = __dwc3_cleanup_done_trbs(dwc, dep, req, trb, - event, status); if (ret) break; - } while (++i < req->request.num_mapped_sgs); - - dwc3_gadget_giveback(dep, req, status); + } while (1); if (usb_endpoint_xfer_isoc(dep->endpoint.desc) && list_empty(&dep->req_queued)) { |