30 static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep);
31 static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
50 static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,  in dwc3_ep0_start_trans()  argument
59 	dep = dwc->eps[epnum];  in dwc3_ep0_start_trans()
61 		dev_vdbg(dwc->dev, "%s still busy", dep->name);  in dwc3_ep0_start_trans()
65 	trb = &dwc->ep0_trb[dep->free_slot];  in dwc3_ep0_start_trans()
91 	params.param0 = upper_32_bits(dwc->ep0_trb_addr);  in dwc3_ep0_start_trans()
92 	params.param1 = lower_32_bits(dwc->ep0_trb_addr);  in dwc3_ep0_start_trans()
94 	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,  in dwc3_ep0_start_trans()
97 		dev_dbg(dwc->dev, "%s STARTTRANSFER failed", dep->name);  in dwc3_ep0_start_trans()
102 	dep->resource_index = dwc3_gadget_ep_get_transfer_index(dwc,  in dwc3_ep0_start_trans()
105 	dwc->ep0_next_event = DWC3_EP0_COMPLETE;  in dwc3_ep0_start_trans()
113 	struct dwc3		*dwc = dep->dwc;  in __dwc3_gadget_ep0_queue()  local
135 		if (dwc->ep0state != EP0_DATA_PHASE) {  in __dwc3_gadget_ep0_queue()
136 			dev_WARN(dwc->dev, "Unexpected pending request\n");  in __dwc3_gadget_ep0_queue()
140 		__dwc3_ep0_do_control_data(dwc, dwc->eps[direction], req);  in __dwc3_gadget_ep0_queue()
152 	if (dwc->delayed_status) {  in __dwc3_gadget_ep0_queue()
155 		direction = !dwc->ep0_expect_in;  in __dwc3_gadget_ep0_queue()
156 		dwc->delayed_status = false;  in __dwc3_gadget_ep0_queue()
157 		usb_gadget_set_state(&dwc->gadget, USB_STATE_CONFIGURED);  in __dwc3_gadget_ep0_queue()
159 		if (dwc->ep0state == EP0_STATUS_PHASE)  in __dwc3_gadget_ep0_queue()
160 			__dwc3_ep0_do_control_status(dwc, dwc->eps[direction]);  in __dwc3_gadget_ep0_queue()
162 			dev_dbg(dwc->dev, "too early for delayed status");  in __dwc3_gadget_ep0_queue()
199 	if (dwc->three_stage_setup) {  in __dwc3_gadget_ep0_queue()
202 		direction = dwc->ep0_expect_in;  in __dwc3_gadget_ep0_queue()
203 		dwc->ep0state = EP0_DATA_PHASE;  in __dwc3_gadget_ep0_queue()
205 		__dwc3_ep0_do_control_data(dwc, dwc->eps[direction], req);  in __dwc3_gadget_ep0_queue()
218 	struct dwc3			*dwc = dep->dwc;  in dwc3_gadget_ep0_queue()  local
224 	spin_lock_irqsave(&dwc->lock, flags);  in dwc3_gadget_ep0_queue()
226 		dev_dbg(dwc->dev, "trying to queue request %p to disabled %s",  in dwc3_gadget_ep0_queue()
238 	dev_vdbg(dwc->dev, "queueing request %p to %s length %d state '%s'",  in dwc3_gadget_ep0_queue()
240 			dwc3_ep0_state_string(dwc->ep0state));  in dwc3_gadget_ep0_queue()
245 	spin_unlock_irqrestore(&dwc->lock, flags);  in dwc3_gadget_ep0_queue()
250 static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)  in dwc3_ep0_stall_and_restart()  argument
255 	dep = dwc->eps[1];  in dwc3_ep0_stall_and_restart()
259 	dep = dwc->eps[0];  in dwc3_ep0_stall_and_restart()
262 	dwc->delayed_status = false;  in dwc3_ep0_stall_and_restart()
271 	dwc->ep0state = EP0_SETUP_PHASE;  in dwc3_ep0_stall_and_restart()
272 	dwc3_ep0_out_start(dwc);  in dwc3_ep0_stall_and_restart()
278 	struct dwc3			*dwc = dep->dwc;  in __dwc3_gadget_ep0_set_halt()  local
280 	dwc3_ep0_stall_and_restart(dwc);  in __dwc3_gadget_ep0_set_halt()
290 	spin_lock_irqsave(&dwc->lock, flags);  in dwc3_gadget_ep0_set_halt()
292 	spin_unlock_irqrestore(&dwc->lock, flags);  in dwc3_gadget_ep0_set_halt()
297 void dwc3_ep0_out_start(struct dwc3 *dwc)  in dwc3_ep0_out_start()  argument
301 	ret = dwc3_ep0_start_trans(dwc, 0, dwc->ctrl_req_addr, 8,  in dwc3_ep0_out_start()
306 static struct dwc3_ep *dwc3_wIndex_to_dep(struct dwc3 *dwc, __le16 wIndex_le)  in dwc3_wIndex_to_dep()  argument
316 	dep = dwc->eps[epnum];  in dwc3_wIndex_to_dep()
329 static int dwc3_ep0_handle_status(struct dwc3 *dwc,  in dwc3_ep0_handle_status()  argument
344 		usb_status |= dwc->is_selfpowered << USB_DEVICE_SELF_POWERED;  in dwc3_ep0_handle_status()
346 		if (dwc->speed == DWC3_DSTS_SUPERSPEED) {  in dwc3_ep0_handle_status()
347 			reg = dwc3_readl(dwc->regs, DWC3_DCTL);  in dwc3_ep0_handle_status()
364 		dep = dwc3_wIndex_to_dep(dwc, ctrl->wIndex);  in dwc3_ep0_handle_status()
375 	response_pkt = (__le16 *) dwc->setup_buf;  in dwc3_ep0_handle_status()
378 	dep = dwc->eps[0];  in dwc3_ep0_handle_status()
379 	dwc->ep0_usb_req.dep = dep;  in dwc3_ep0_handle_status()
380 	dwc->ep0_usb_req.request.length = sizeof(*response_pkt);  in dwc3_ep0_handle_status()
381 	dwc->ep0_usb_req.request.buf = dwc->setup_buf;  in dwc3_ep0_handle_status()
382 	dwc->ep0_usb_req.request.complete = dwc3_ep0_status_cmpl;  in dwc3_ep0_handle_status()
384 	return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req);  in dwc3_ep0_handle_status()
387 static int dwc3_ep0_handle_feature(struct dwc3 *dwc,  in dwc3_ep0_handle_feature()  argument
401 	state = dwc->gadget.state;  in dwc3_ep0_handle_feature()
416 			if (dwc->speed != DWC3_DSTS_SUPERSPEED)  in dwc3_ep0_handle_feature()
419 			reg = dwc3_readl(dwc->regs, DWC3_DCTL);  in dwc3_ep0_handle_feature()
420 			if (set && !dwc->dis_u1u2_quirk)  in dwc3_ep0_handle_feature()
424 			dwc3_writel(dwc->regs, DWC3_DCTL, reg);  in dwc3_ep0_handle_feature()
430 			if (dwc->speed != DWC3_DSTS_SUPERSPEED)  in dwc3_ep0_handle_feature()
433 			reg = dwc3_readl(dwc->regs, DWC3_DCTL);  in dwc3_ep0_handle_feature()
434 			if (set && !dwc->dis_u1u2_quirk)  in dwc3_ep0_handle_feature()
438 			dwc3_writel(dwc->regs, DWC3_DCTL, reg);  in dwc3_ep0_handle_feature()
450 			dwc->test_mode_nr = wIndex >> 8;  in dwc3_ep0_handle_feature()
451 			dwc->test_mode = true;  in dwc3_ep0_handle_feature()
476 			dep = dwc3_wIndex_to_dep(dwc, wIndex);  in dwc3_ep0_handle_feature()
497 static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)  in dwc3_ep0_set_address()  argument
499 	enum usb_device_state state = dwc->gadget.state;  in dwc3_ep0_set_address()
505 		dev_dbg(dwc->dev, "invalid device address %d", addr);  in dwc3_ep0_set_address()
510 		dev_dbg(dwc->dev, "trying to set address when configured");  in dwc3_ep0_set_address()
514 	dwc->connected = 1;  in dwc3_ep0_set_address()
515 	reg = dwc3_readl(dwc->regs, DWC3_DCFG);  in dwc3_ep0_set_address()
518 	dwc3_writel(dwc->regs, DWC3_DCFG, reg);  in dwc3_ep0_set_address()
521 		usb_gadget_set_state(&dwc->gadget, USB_STATE_ADDRESS);  in dwc3_ep0_set_address()
523 		usb_gadget_set_state(&dwc->gadget, USB_STATE_DEFAULT);  in dwc3_ep0_set_address()
528 static int dwc3_ep0_delegate_req(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)  in dwc3_ep0_delegate_req()  argument
532 	spin_unlock(&dwc->lock);  in dwc3_ep0_delegate_req()
533 	ret = dwc->gadget_driver->setup(&dwc->gadget, ctrl);  in dwc3_ep0_delegate_req()
534 	spin_lock(&dwc->lock);  in dwc3_ep0_delegate_req()
538 static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)  in dwc3_ep0_set_config()  argument
540 	enum usb_device_state state = dwc->gadget.state;  in dwc3_ep0_set_config()
545 	dwc->start_config_issued = false;  in dwc3_ep0_set_config()
553 		ret = dwc3_ep0_delegate_req(dwc, ctrl);  in dwc3_ep0_set_config()
564 				usb_gadget_set_state(&dwc->gadget,  in dwc3_ep0_set_config()
571 			reg = dwc3_readl(dwc->regs, DWC3_DCTL);  in dwc3_ep0_set_config()
572 			if (dwc->dis_u1u2_quirk)  in dwc3_ep0_set_config()
576 			dwc3_writel(dwc->regs, DWC3_DCTL, reg);  in dwc3_ep0_set_config()
578 			dwc->resize_fifos = true;  in dwc3_ep0_set_config()
579 			dev_dbg(dwc->dev, "resize FIFOs flag SET");  in dwc3_ep0_set_config()
584 		ret = dwc3_ep0_delegate_req(dwc, ctrl);  in dwc3_ep0_set_config()
586 			usb_gadget_set_state(&dwc->gadget,  in dwc3_ep0_set_config()
598 	struct dwc3	*dwc = dep->dwc;  in dwc3_ep0_set_sel_cmpl()  local
614 	dwc->u1sel = timing.u1sel;  in dwc3_ep0_set_sel_cmpl()
615 	dwc->u1pel = timing.u1pel;  in dwc3_ep0_set_sel_cmpl()
616 	dwc->u2sel = le16_to_cpu(timing.u2sel);  in dwc3_ep0_set_sel_cmpl()
617 	dwc->u2pel = le16_to_cpu(timing.u2pel);  in dwc3_ep0_set_sel_cmpl()
619 	reg = dwc3_readl(dwc->regs, DWC3_DCTL);  in dwc3_ep0_set_sel_cmpl()
621 		param = dwc->u2pel;  in dwc3_ep0_set_sel_cmpl()
623 		param = dwc->u1pel;  in dwc3_ep0_set_sel_cmpl()
634 	ret = dwc3_send_gadget_generic_command(dwc,  in dwc3_ep0_set_sel_cmpl()
639 static int dwc3_ep0_set_sel(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)  in dwc3_ep0_set_sel()  argument
642 	enum usb_device_state state = dwc->gadget.state;  in dwc3_ep0_set_sel()
651 		dev_err(dwc->dev, "Set SEL should be 6 bytes, got %d\n",  in dwc3_ep0_set_sel()
664 	dep = dwc->eps[0];  in dwc3_ep0_set_sel()
665 	dwc->ep0_usb_req.dep = dep;  in dwc3_ep0_set_sel()
666 	dwc->ep0_usb_req.request.length = dep->endpoint.maxpacket;  in dwc3_ep0_set_sel()
667 	dwc->ep0_usb_req.request.buf = dwc->setup_buf;  in dwc3_ep0_set_sel()
668 	dwc->ep0_usb_req.request.complete = dwc3_ep0_set_sel_cmpl;  in dwc3_ep0_set_sel()
670 	return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req);  in dwc3_ep0_set_sel()
673 static int dwc3_ep0_set_isoch_delay(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)  in dwc3_ep0_set_isoch_delay()  argument
690 	dwc->isoch_delay = wValue;  in dwc3_ep0_set_isoch_delay()
695 static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)  in dwc3_ep0_std_request()  argument
701 		dev_vdbg(dwc->dev, "USB_REQ_GET_STATUS");  in dwc3_ep0_std_request()
702 		ret = dwc3_ep0_handle_status(dwc, ctrl);  in dwc3_ep0_std_request()
705 		dev_vdbg(dwc->dev, "USB_REQ_CLEAR_FEATURE");  in dwc3_ep0_std_request()
706 		ret = dwc3_ep0_handle_feature(dwc, ctrl, 0);  in dwc3_ep0_std_request()
709 		dev_vdbg(dwc->dev, "USB_REQ_SET_FEATURE");  in dwc3_ep0_std_request()
710 		ret = dwc3_ep0_handle_feature(dwc, ctrl, 1);  in dwc3_ep0_std_request()
713 		dev_vdbg(dwc->dev, "USB_REQ_SET_ADDRESS");  in dwc3_ep0_std_request()
714 		ret = dwc3_ep0_set_address(dwc, ctrl);  in dwc3_ep0_std_request()
717 		dev_vdbg(dwc->dev, "USB_REQ_SET_CONFIGURATION");  in dwc3_ep0_std_request()
718 		ret = dwc3_ep0_set_config(dwc, ctrl);  in dwc3_ep0_std_request()
721 		dev_vdbg(dwc->dev, "USB_REQ_SET_SEL");  in dwc3_ep0_std_request()
722 		ret = dwc3_ep0_set_sel(dwc, ctrl);  in dwc3_ep0_std_request()
725 		dev_vdbg(dwc->dev, "USB_REQ_SET_ISOCH_DELAY");  in dwc3_ep0_std_request()
726 		ret = dwc3_ep0_set_isoch_delay(dwc, ctrl);  in dwc3_ep0_std_request()
729 		dev_vdbg(dwc->dev, "Forwarding to gadget driver");  in dwc3_ep0_std_request()
730 		ret = dwc3_ep0_delegate_req(dwc, ctrl);  in dwc3_ep0_std_request()
737 static void dwc3_ep0_inspect_setup(struct dwc3 *dwc,  in dwc3_ep0_inspect_setup()  argument
740 	struct usb_ctrlrequest *ctrl = dwc->ctrl_req;  in dwc3_ep0_inspect_setup()
744 	if (!dwc->gadget_driver)  in dwc3_ep0_inspect_setup()
749 		dwc->three_stage_setup = false;  in dwc3_ep0_inspect_setup()
750 		dwc->ep0_expect_in = false;  in dwc3_ep0_inspect_setup()
751 		dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS;  in dwc3_ep0_inspect_setup()
753 		dwc->three_stage_setup = true;  in dwc3_ep0_inspect_setup()
754 		dwc->ep0_expect_in = !!(ctrl->bRequestType & USB_DIR_IN);  in dwc3_ep0_inspect_setup()
755 		dwc->ep0_next_event = DWC3_EP0_NRDY_DATA;  in dwc3_ep0_inspect_setup()
759 		ret = dwc3_ep0_std_request(dwc, ctrl);  in dwc3_ep0_inspect_setup()
761 		ret = dwc3_ep0_delegate_req(dwc, ctrl);  in dwc3_ep0_inspect_setup()
764 		dwc->delayed_status = true;  in dwc3_ep0_inspect_setup()
768 		dwc3_ep0_stall_and_restart(dwc);  in dwc3_ep0_inspect_setup()
771 static void dwc3_ep0_complete_data(struct dwc3 *dwc,  in dwc3_ep0_complete_data()  argument
787 	ep0 = dwc->eps[0];  in dwc3_ep0_complete_data()
789 	dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS;  in dwc3_ep0_complete_data()
791 	trb = dwc->ep0_trb;  in dwc3_ep0_complete_data()
801 		dev_dbg(dwc->dev, "Setup Pending received");  in dwc3_ep0_complete_data()
816 	if (dwc->ep0_bounced) {  in dwc3_ep0_complete_data()
838 		dwc3_flush_cache((uintptr_t)dwc->ep0_bounce, DWC3_EP0_BOUNCE_SIZE);  in dwc3_ep0_complete_data()
839 		memcpy(buf, dwc->ep0_bounce, transferred);  in dwc3_ep0_complete_data()
849 		dwc3_ep0_stall_and_restart(dwc);  in dwc3_ep0_complete_data()
857 			dwc->ep0_next_event = DWC3_EP0_COMPLETE;  in dwc3_ep0_complete_data()
859 			ret = dwc3_ep0_start_trans(dwc, epnum,  in dwc3_ep0_complete_data()
860 					dwc->ctrl_req_addr, 0,  in dwc3_ep0_complete_data()
867 static void dwc3_ep0_complete_status(struct dwc3 *dwc,  in dwc3_ep0_complete_status()  argument
875 	dep = dwc->eps[0];  in dwc3_ep0_complete_status()
876 	trb = dwc->ep0_trb;  in dwc3_ep0_complete_status()
884 	if (dwc->test_mode) {  in dwc3_ep0_complete_status()
887 		ret = dwc3_gadget_set_test_mode(dwc, dwc->test_mode_nr);  in dwc3_ep0_complete_status()
889 			dev_dbg(dwc->dev, "Invalid Test #%d",  in dwc3_ep0_complete_status()
890 					dwc->test_mode_nr);  in dwc3_ep0_complete_status()
891 			dwc3_ep0_stall_and_restart(dwc);  in dwc3_ep0_complete_status()
898 		dev_dbg(dwc->dev, "Setup Pending received");  in dwc3_ep0_complete_status()
900 	dwc->ep0state = EP0_SETUP_PHASE;  in dwc3_ep0_complete_status()
901 	dwc3_ep0_out_start(dwc);  in dwc3_ep0_complete_status()
904 static void dwc3_ep0_xfer_complete(struct dwc3 *dwc,  in dwc3_ep0_xfer_complete()  argument
907 	struct dwc3_ep		*dep = dwc->eps[event->endpoint_number];  in dwc3_ep0_xfer_complete()
911 	dwc->setup_packet_pending = false;  in dwc3_ep0_xfer_complete()
913 	switch (dwc->ep0state) {  in dwc3_ep0_xfer_complete()
915 		dev_vdbg(dwc->dev, "Setup Phase");  in dwc3_ep0_xfer_complete()
916 		dwc3_ep0_inspect_setup(dwc, event);  in dwc3_ep0_xfer_complete()
920 		dev_vdbg(dwc->dev, "Data Phase");  in dwc3_ep0_xfer_complete()
921 		dwc3_ep0_complete_data(dwc, event);  in dwc3_ep0_xfer_complete()
925 		dev_vdbg(dwc->dev, "Status Phase");  in dwc3_ep0_xfer_complete()
926 		dwc3_ep0_complete_status(dwc, event);  in dwc3_ep0_xfer_complete()
929 		WARN(true, "UNKNOWN ep0state %d\n", dwc->ep0state);  in dwc3_ep0_xfer_complete()
933 static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,  in __dwc3_ep0_do_control_data()  argument
941 		ret = dwc3_ep0_start_trans(dwc, dep->number,  in __dwc3_ep0_do_control_data()
942 					   dwc->ctrl_req_addr, 0,  in __dwc3_ep0_do_control_data()
949 		ret = usb_gadget_map_request(&dwc->gadget, &req->request,  in __dwc3_ep0_do_control_data()
952 			dev_dbg(dwc->dev, "failed to map request\n");  in __dwc3_ep0_do_control_data()
960 			ret = dwc3_ep0_start_trans(dwc, dep->number,  in __dwc3_ep0_do_control_data()
969 		dwc->ep0_bounced = true;  in __dwc3_ep0_do_control_data()
976 		ret = dwc3_ep0_start_trans(dwc, dep->number,  in __dwc3_ep0_do_control_data()
977 					   dwc->ep0_bounce_addr, transfer_size,  in __dwc3_ep0_do_control_data()
980 		ret = usb_gadget_map_request(&dwc->gadget, &req->request,  in __dwc3_ep0_do_control_data()
983 			dev_dbg(dwc->dev, "failed to map request\n");  in __dwc3_ep0_do_control_data()
987 		ret = dwc3_ep0_start_trans(dwc, dep->number, req->request.dma,  in __dwc3_ep0_do_control_data()
997 	struct dwc3		*dwc = dep->dwc;  in dwc3_ep0_start_control_status()  local
1000 	type = dwc->three_stage_setup ? DWC3_TRBCTL_CONTROL_STATUS3  in dwc3_ep0_start_control_status()
1003 	return dwc3_ep0_start_trans(dwc, dep->number,  in dwc3_ep0_start_control_status()
1004 			dwc->ctrl_req_addr, 0, type, 0);  in dwc3_ep0_start_control_status()
1007 static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep)  in __dwc3_ep0_do_control_status()  argument
1009 	if (dwc->resize_fifos) {  in __dwc3_ep0_do_control_status()
1010 		dev_dbg(dwc->dev, "Resizing FIFOs");  in __dwc3_ep0_do_control_status()
1011 		dwc3_gadget_resize_tx_fifos(dwc);  in __dwc3_ep0_do_control_status()
1012 		dwc->resize_fifos = 0;  in __dwc3_ep0_do_control_status()
1018 static void dwc3_ep0_do_control_status(struct dwc3 *dwc,  in dwc3_ep0_do_control_status()  argument
1021 	struct dwc3_ep		*dep = dwc->eps[event->endpoint_number];  in dwc3_ep0_do_control_status()
1023 	__dwc3_ep0_do_control_status(dwc, dep);  in dwc3_ep0_do_control_status()
1026 static void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)  in dwc3_ep0_end_control_data()  argument
1039 	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);  in dwc3_ep0_end_control_data()
1044 static void dwc3_ep0_xfernotready(struct dwc3 *dwc,  in dwc3_ep0_xfernotready()  argument
1047 	dwc->setup_packet_pending = true;  in dwc3_ep0_xfernotready()
1051 		dev_vdbg(dwc->dev, "Control Data");  in dwc3_ep0_xfernotready()
1062 		if (dwc->ep0_expect_in != event->endpoint_number) {  in dwc3_ep0_xfernotready()
1063 			struct dwc3_ep	*dep = dwc->eps[dwc->ep0_expect_in];  in dwc3_ep0_xfernotready()
1065 			dev_vdbg(dwc->dev, "Wrong direction for Data phase");  in dwc3_ep0_xfernotready()
1066 			dwc3_ep0_end_control_data(dwc, dep);  in dwc3_ep0_xfernotready()
1067 			dwc3_ep0_stall_and_restart(dwc);  in dwc3_ep0_xfernotready()
1074 		if (dwc->ep0_next_event != DWC3_EP0_NRDY_STATUS)  in dwc3_ep0_xfernotready()
1077 		dev_vdbg(dwc->dev, "Control Status");  in dwc3_ep0_xfernotready()
1079 		dwc->ep0state = EP0_STATUS_PHASE;  in dwc3_ep0_xfernotready()
1081 		if (dwc->delayed_status) {  in dwc3_ep0_xfernotready()
1083 			dev_vdbg(dwc->dev, "Delayed Status");  in dwc3_ep0_xfernotready()
1087 		dwc3_ep0_do_control_status(dwc, event);  in dwc3_ep0_xfernotready()
1091 void dwc3_ep0_interrupt(struct dwc3 *dwc,  in dwc3_ep0_interrupt()  argument
1096 	dev_dbg(dwc->dev, "%s while ep%d%s in state '%s'",  in dwc3_ep0_interrupt()
1099 			dwc3_ep0_state_string(dwc->ep0state));  in dwc3_ep0_interrupt()
1103 		dwc3_ep0_xfer_complete(dwc, event);  in dwc3_ep0_interrupt()
1107 		dwc3_ep0_xfernotready(dwc, event);  in dwc3_ep0_interrupt()