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 d831f5acf7b5..5fd067151fbf 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -198,6 +198,7 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep, list_del(&req->list); req->remaining = 0; req->needs_extra_trb = false; + req->num_trbs = 0; if (req->request.status == -EINPROGRESS) req->request.status = status; @@ -2702,13 +2703,17 @@ static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc) static int dwc3_gadget_soft_connect(struct dwc3 *dwc) { + int ret; + /* * In the Synopsys DWC_usb31 1.90a programming guide section * 4.1.9, it specifies that for a reconnect after a * device-initiated disconnect requires a core soft reset * (DCTL.CSftRst) before enabling the run/stop bit. */ - dwc3_core_soft_reset(dwc); + ret = dwc3_core_soft_reset(dwc); + if (ret) + return ret; dwc3_event_buffers_setup(dwc); __dwc3_gadget_start(dwc); @@ -2743,7 +2748,9 @@ static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on) ret = pm_runtime_get_sync(dwc->dev); if (!ret || ret < 0) { pm_runtime_put(dwc->dev); - return 0; + if (ret < 0) + pm_runtime_set_suspended(dwc->dev); + return ret; } if (dwc->pullups_connected == is_on) { @@ -3808,6 +3815,9 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, break; case DWC3_DEPEVT_RXTXFIFOEVT: break; + default: + dev_err(dwc->dev, "unknown endpoint event %d\n", event->endpoint_event); + break; } } |