diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 7113a9f53ca9..750364eb11e1 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1099,6 +1099,17 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep) } list_for_each_entry_safe(req, n, &dep->pending_list, list) { + struct dwc3 *dwc = dep->dwc; + int ret; + + ret = usb_gadget_map_request_by_dev(dwc->sysdev, &req->request, + dep->direction); + if (ret) + return; + + req->sg = req->request.sg; + req->num_pending_sgs = req->request.num_mapped_sgs; + if (req->num_pending_sgs > 0) dwc3_prepare_one_trb_sg(dep, req); else @@ -1205,7 +1216,7 @@ static void dwc3_gadget_start_isoc(struct dwc3 *dwc, static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) { struct dwc3 *dwc = dep->dwc; - int ret; + int ret = 0; if (!dep->endpoint.desc) { dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n", @@ -1229,14 +1240,6 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) trace_dwc3_ep_queue(req); - ret = usb_gadget_map_request_by_dev(dwc->sysdev, &req->request, - dep->direction); - if (ret) - return ret; - - req->sg = req->request.sg; - req->num_pending_sgs = req->request.num_mapped_sgs; - list_add_tail(&req->list, &dep->pending_list); /* |