From: Wesley Cheng <quic_wcheng@xxxxxxxxxxx> commit e1ee843488d58099a89979627ef85d5bd6c5cacd upstream. If any function drivers request for a delayed status phase, this leads to a SETUP transfer timeout error, since the function may take longer to process the DATA stage. This eventually results in end transfer timeouts, as there is a pending SETUP transaction. In addition, allow the DWC3_EP_DELAY_STOP to be set for if there is a delayed status requested. Ocasionally, a host may abort the current SETUP transaction, by issuing a subsequent SETUP token. In those situations, it would result in an endxfer timeout as well. Reviewed-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> Signed-off-by: Wesley Cheng <quic_wcheng@xxxxxxxxxxx> Link: https://lore.kernel.org/r/20220817182359.13550-3-quic_wcheng@xxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/usb/dwc3/gadget.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 0ed9826a4c47..530ef3232418 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -3712,7 +3712,7 @@ void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, * timeout. Delay issuing the End Transfer command until the Setup TRB is * prepared. */ - if (dwc->ep0state != EP0_SETUP_PHASE && !dwc->delayed_status) { + if (dwc->ep0state != EP0_SETUP_PHASE) { dep->flags |= DWC3_EP_DELAY_STOP; return; } -- 2.35.1
