diff options
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 64a421ae0f05..c8d931d9d433 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -931,6 +931,13 @@ __acquires(hwep->lock) list_del_init(&hwreq->queue); hwreq->req.status = -ESHUTDOWN; + /* Unmap DMA and clean up bounce buffers before giving back */ + usb_gadget_unmap_request_by_dev(hwep->ci->dev->parent, + &hwreq->req, hwep->dir); + + if (hwreq->sgt.sgl) + sglist_do_debounce(hwreq, false); + if (hwreq->req.complete != NULL) { spin_unlock(hwep->lock); usb_gadget_giveback_request(&hwep->ep, &hwreq->req); |