28 #define XUSB_EP0_CONFIG_OFFSET		0x0000  /* EP0 Config Reg Offset */
202 static const char ep0name[] = "ep0";
261 	struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO];  in xudc_wrstatus()  local
264 	epcfgreg = udc->read_fn(udc->addr + ep0->offset)|  in xudc_wrstatus()
266 	udc->write_fn(udc->addr, ep0->offset, epcfgreg);  in xudc_wrstatus()
267 	udc->write_fn(udc->addr, ep0->offset + XUSB_EP_BUF0COUNT_OFFSET, 0);  in xudc_wrstatus()
996  * @ep0: pointer to the xusb endpoint 0 structure.
1001 static int __xudc_ep0_queue(struct xusb_ep *ep0, struct xusb_req *req)  in __xudc_ep0_queue()  argument
1003 	struct xusb_udc *udc = ep0->udc;  in __xudc_ep0_queue()
1011 	if (!list_empty(&ep0->queue)) {  in __xudc_ep0_queue()
1012 		dev_dbg(udc->dev, "%s:ep0 busy\n", __func__);  in __xudc_ep0_queue()
1019 	list_add_tail(&req->queue, &ep0->queue);  in __xudc_ep0_queue()
1024 		corebuf = (void __force *) ((ep0->rambase << 2) +  in __xudc_ep0_queue()
1033 			/* Enable EP0 buffer to receive data */  in __xudc_ep0_queue()
1056 	struct xusb_ep	*ep0	= to_xusb_ep(_ep);  in xudc_ep0_queue()  local
1057 	struct xusb_udc *udc	= ep0->udc;  in xudc_ep0_queue()
1062 	ret = __xudc_ep0_queue(ep0, req);  in xudc_ep0_queue()
1378 	struct xusb_ep *ep0	= &udc->ep[XUSB_EP_NUMBER_ZERO];  in xudc_start()  local
1397 	ret = __xudc_ep_enable(ep0, desc);  in xudc_start()
1567 	struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO];  in xudc_ep0_stall()  local
1569 	epcfgreg = udc->read_fn(udc->addr + ep0->offset);  in xudc_ep0_stall()
1571 	udc->write_fn(udc->addr, ep0->offset, epcfgreg);  in xudc_ep0_stall()
1582 	struct xusb_ep *ep0	= &udc->ep[0];  in xudc_setaddress()  local
1587 	ret = __xudc_ep0_queue(ep0, req);  in xudc_setaddress()
1603 	struct xusb_ep *ep0	= &udc->ep[0];  in xudc_getstatus()  local
1644 	ret = __xudc_ep0_queue(ep0, req);  in xudc_getstatus()
1660 	struct xusb_ep *ep0	= &udc->ep[0];  in xudc_set_clear_feature()  local
1736 	ret = __xudc_ep0_queue(ep0, req);  in xudc_set_clear_feature()
1753 	struct xusb_ep *ep0 = &udc->ep[0];  in xudc_handle_setup()  local
1767 	xudc_nuke(ep0, -ECONNRESET);  in xudc_handle_setup()
1819 	struct xusb_ep *ep0 = &udc->ep[0];  in xudc_ep0_out()  local
1825 	req = list_first_entry(&ep0->queue, struct xusb_req, queue);  in xudc_ep0_out()
1836 		xudc_done(ep0, req, 0);  in xudc_ep0_out()
1843 			     (ep0->rambase << 2));  in xudc_ep0_out()
1852 			/* Enable EP0 buffer to receive data */  in xudc_ep0_out()
1868 	struct xusb_ep *ep0 = &udc->ep[0];  in xudc_ep0_in()  local
1878 	req = list_first_entry(&ep0->queue, struct xusb_req, queue);  in xudc_ep0_in()
1901 		xudc_done(ep0, req, 0);  in xudc_ep0_in()
1910 			epcfgreg = udc->read_fn(udc->addr + ep0->offset);  in xudc_ep0_in()
1912 			udc->write_fn(udc->addr, ep0->offset, epcfgreg);  in xudc_ep0_in()
1919 				     (ep0->rambase << 2));  in xudc_ep0_in()
2107 	udc->gadget.ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO].ep_usb;  in xudc_probe()