464 static enum usb_status usb_dwc2_ep_start_xfer(void *handle, struct usbd_ep *ep)  in usb_dwc2_ep_start_xfer()  argument
471 	if (ep->is_in) {  in usb_dwc2_ep_start_xfer()
472 		reg_offset = usb_base_addr + OTG_DIEP_BASE + (ep->num * OTG_DIEP_SIZE);  in usb_dwc2_ep_start_xfer()
474 		if (ep->xfer_len == 0U) {  in usb_dwc2_ep_start_xfer()
484 				     (((ep->xfer_len + ep->maxpacket - 1U) /  in usb_dwc2_ep_start_xfer()
485 				       ep->maxpacket) << OTG_DIEPTSIZ_PKTCNT_SHIFT))  in usb_dwc2_ep_start_xfer()
486 				    | ep->xfer_len;  in usb_dwc2_ep_start_xfer()
488 			if (ep->type == EP_TYPE_ISOC) {  in usb_dwc2_ep_start_xfer()
496 		if ((ep->type != EP_TYPE_ISOC) && (ep->xfer_len > 0U)) {  in usb_dwc2_ep_start_xfer()
498 			mmio_setbits_32(usb_base_addr + OTG_DIEPEMPMSK, BIT(ep->num));  in usb_dwc2_ep_start_xfer()
504 		if (ep->type == EP_TYPE_ISOC) {  in usb_dwc2_ep_start_xfer()
514 		if (ep->type == EP_TYPE_ISOC) {  in usb_dwc2_ep_start_xfer()
515 			usb_dwc2_write_packet(handle, ep->xfer_buff, ep->num, ep->xfer_len);  in usb_dwc2_ep_start_xfer()
518 		reg_offset = usb_base_addr + OTG_DOEP_BASE + (ep->num * OTG_DOEP_SIZE);  in usb_dwc2_ep_start_xfer()
524 		if (ep->xfer_len == 0U) {  in usb_dwc2_ep_start_xfer()
525 			reg_value = ep->maxpacket | OTG_DIEPTSIZ_PKTCNT_1;  in usb_dwc2_ep_start_xfer()
527 			uint16_t pktcnt = (ep->xfer_len + ep->maxpacket - 1U) / ep->maxpacket;  in usb_dwc2_ep_start_xfer()
530 				    (ep->maxpacket * pktcnt);  in usb_dwc2_ep_start_xfer()
540 		if (ep->type == EP_TYPE_ISOC) {  in usb_dwc2_ep_start_xfer()
560 static enum usb_status usb_dwc2_ep0_start_xfer(void *handle, struct usbd_ep *ep)  in usb_dwc2_ep0_start_xfer()  argument
566 	if (ep->is_in) {  in usb_dwc2_ep0_start_xfer()
568 			     (ep->num * OTG_DIEP_SIZE);  in usb_dwc2_ep0_start_xfer()
570 		if (ep->xfer_len == 0U) {  in usb_dwc2_ep0_start_xfer()
580 			if (ep->xfer_len > ep->maxpacket) {  in usb_dwc2_ep0_start_xfer()
581 				ep->xfer_len = ep->maxpacket;  in usb_dwc2_ep0_start_xfer()
584 			reg_value = OTG_DIEPTSIZ_PKTCNT_1 | ep->xfer_len;  in usb_dwc2_ep0_start_xfer()
592 		if (ep->xfer_len > 0U) {  in usb_dwc2_ep0_start_xfer()
594 					BIT(ep->num));  in usb_dwc2_ep0_start_xfer()
602 			     (ep->num * OTG_DOEP_SIZE);  in usb_dwc2_ep0_start_xfer()
609 		if (ep->xfer_len > 0U) {  in usb_dwc2_ep0_start_xfer()
610 			ep->xfer_len = ep->maxpacket;  in usb_dwc2_ep0_start_xfer()
613 		reg_value = OTG_DIEPTSIZ_PKTCNT_1 | ep->maxpacket;  in usb_dwc2_ep0_start_xfer()
633 static enum usb_status usb_dwc2_ep_set_stall(void *handle, struct usbd_ep *ep)  in usb_dwc2_ep_set_stall()  argument
639 	if (ep->is_in) {  in usb_dwc2_ep_set_stall()
641 			     (ep->num * OTG_DIEP_SIZE);  in usb_dwc2_ep_set_stall()
653 			     (ep->num * OTG_DOEP_SIZE);  in usb_dwc2_ep_set_stall()