diff options
Diffstat (limited to 'drivers/usb/dwc3/ep0.c')
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 6ae8a36f21cf..666ac432f52d 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -145,7 +145,7 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, * Unfortunately we have uncovered a limitation wrt the Data Phase. * * Section 9.4 says we can wait for the XferNotReady(DATA) event to - * come before issueing Start Transfer command, but if we do, we will + * come before issuing Start Transfer command, but if we do, we will * miss situations where the host starts another SETUP phase instead of * the DATA phase. Such cases happen at least on TD.7.6 of the Link * Layer Compliance Suite. @@ -226,12 +226,14 @@ void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) /* reinitialize physical ep1 */ dep = dwc->eps[1]; - dep->flags = DWC3_EP_ENABLED; + dep->flags &= DWC3_EP_RESOURCE_ALLOCATED; + dep->flags |= DWC3_EP_ENABLED; /* stall is always issued on EP0 */ dep = dwc->eps[0]; __dwc3_gadget_ep_set_halt(dep, 1, false); - dep->flags = DWC3_EP_ENABLED; + dep->flags &= DWC3_EP_RESOURCE_ALLOCATED | DWC3_EP_TRANSFER_STARTED; + dep->flags |= DWC3_EP_ENABLED; dwc->delayed_status = false; if (!list_empty(&dep->pending_list)) { @@ -646,6 +648,7 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) return -EINVAL; case USB_STATE_ADDRESS: + dwc3_gadget_start_config(dwc, 2); dwc3_gadget_clear_tx_fifos(dwc); ret = dwc3_ep0_delegate_req(dwc, ctrl); |