29 #define XUSB_EP0_CONFIG_OFFSET		0x0000  /* EP0 Config Reg Offset */
201 static const char ep0name[] = "ep0";
260 	struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO];  in xudc_wrstatus()  local
263 	epcfgreg = udc->read_fn(udc->addr + ep0->offset)|  in xudc_wrstatus()
265 	udc->write_fn(udc->addr, ep0->offset, epcfgreg);  in xudc_wrstatus()
266 	udc->write_fn(udc->addr, ep0->offset + XUSB_EP_BUF0COUNT_OFFSET, 0);  in xudc_wrstatus()
995  * @ep0: pointer to the xusb endpoint 0 structure.
1000 static int __xudc_ep0_queue(struct xusb_ep *ep0, struct xusb_req *req)  in __xudc_ep0_queue()  argument
1002 	struct xusb_udc *udc = ep0->udc;  in __xudc_ep0_queue()
1010 	if (!list_empty(&ep0->queue)) {  in __xudc_ep0_queue()
1011 		dev_dbg(udc->dev, "%s:ep0 busy\n", __func__);  in __xudc_ep0_queue()
1018 	list_add_tail(&req->queue, &ep0->queue);  in __xudc_ep0_queue()
1023 		corebuf = (void __force *) ((ep0->rambase << 2) +  in __xudc_ep0_queue()
1032 			/* Enable EP0 buffer to receive data */  in __xudc_ep0_queue()
1055 	struct xusb_ep	*ep0	= to_xusb_ep(_ep);  in xudc_ep0_queue()  local
1056 	struct xusb_udc *udc	= ep0->udc;  in xudc_ep0_queue()
1061 	ret = __xudc_ep0_queue(ep0, req);  in xudc_ep0_queue()
1374 	struct xusb_ep *ep0	= &udc->ep[XUSB_EP_NUMBER_ZERO];  in xudc_start()  local
1393 	ret = __xudc_ep_enable(ep0, desc);  in xudc_start()
1563 	struct xusb_ep *ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO];  in xudc_ep0_stall()  local
1565 	epcfgreg = udc->read_fn(udc->addr + ep0->offset);  in xudc_ep0_stall()
1567 	udc->write_fn(udc->addr, ep0->offset, epcfgreg);  in xudc_ep0_stall()
1578 	struct xusb_ep *ep0	= &udc->ep[0];  in xudc_setaddress()  local
1583 	ret = __xudc_ep0_queue(ep0, req);  in xudc_setaddress()
1599 	struct xusb_ep *ep0	= &udc->ep[0];  in xudc_getstatus()  local
1640 	ret = __xudc_ep0_queue(ep0, req);  in xudc_getstatus()
1656 	struct xusb_ep *ep0	= &udc->ep[0];  in xudc_set_clear_feature()  local
1730 	ret = __xudc_ep0_queue(ep0, req);  in xudc_set_clear_feature()
1747 	struct xusb_ep *ep0 = &udc->ep[0];  in xudc_handle_setup()  local
1761 	xudc_nuke(ep0, -ECONNRESET);  in xudc_handle_setup()
1813 	struct xusb_ep *ep0 = &udc->ep[0];  in xudc_ep0_out()  local
1819 	req = list_first_entry(&ep0->queue, struct xusb_req, queue);  in xudc_ep0_out()
1830 		xudc_done(ep0, req, 0);  in xudc_ep0_out()
1837 			     (ep0->rambase << 2));  in xudc_ep0_out()
1846 			/* Enable EP0 buffer to receive data */  in xudc_ep0_out()
1862 	struct xusb_ep *ep0 = &udc->ep[0];  in xudc_ep0_in()  local
1872 	req = list_first_entry(&ep0->queue, struct xusb_req, queue);  in xudc_ep0_in()
1895 		xudc_done(ep0, req, 0);  in xudc_ep0_in()
1904 			epcfgreg = udc->read_fn(udc->addr + ep0->offset);  in xudc_ep0_in()
1906 			udc->write_fn(udc->addr, ep0->offset, epcfgreg);  in xudc_ep0_in()
1913 				     (ep0->rambase << 2));  in xudc_ep0_in()
2102 	udc->gadget.ep0 = &udc->ep[XUSB_EP_NUMBER_ZERO].ep_usb;  in xudc_probe()