76 /* EP0 states */
1027 	/* Disable all device interrupts (including EP0) */  in udc_disable()
1073 	/* Only enable EP0 in and out for now, EP0 only works in FIFO mode */  in udc_enable()
1199  * as EP0) that don't use DMA. This function should only be called if a packet
1304  * as EP0) that don't use DMA. Note that the endpoint must be selected in the
1330 /* USB device reset - resets USB to a default state with just EP0
1335 	/* Re-init device controller and EP0 */  in uda_usb_reset()
1345 /* Send a ZLP on EP0 */
1381 	INIT_LIST_HEAD(&udc->gadget.ep0->ep_list);  in udc_reinit()
1443 	struct lpc32xx_ep *ep0 = &udc->ep[0];  in udc_ep0_in_req()  local
1446 	if (list_empty(&ep0->queue))  in udc_ep0_in_req()
1450 		req = list_entry(ep0->queue.next, struct lpc32xx_request,  in udc_ep0_in_req()
1457 		done(ep0, req, 0);  in udc_ep0_in_req()
1459 	} else if (ts > ep0->ep.maxpacket)  in udc_ep0_in_req()
1460 		ts = ep0->ep.maxpacket; /* Just send what we can */  in udc_ep0_in_req()
1462 	/* Write data to the EP0 FIFO and start transfer */  in udc_ep0_in_req()
1468 	if (tsend >= ep0->ep.maxpacket)  in udc_ep0_in_req()
1473 	done(ep0, req, 0);  in udc_ep0_in_req()
1481 	struct lpc32xx_ep *ep0 = &udc->ep[0];  in udc_ep0_out_req()  local
1484 	if (list_empty(&ep0->queue))  in udc_ep0_out_req()
1487 		req = list_entry(ep0->queue.next, struct lpc32xx_request,  in udc_ep0_out_req()
1492 		done(ep0, req, 0);  in udc_ep0_out_req()
1499 	if (bufferspace > ep0->ep.maxpacket)  in udc_ep0_out_req()
1500 		bufferspace = ep0->ep.maxpacket;  in udc_ep0_out_req()
1508 	if (tr < ep0->ep.maxpacket) {  in udc_ep0_out_req()
1510 		done(ep0, req, 0);  in udc_ep0_out_req()
1620 	/* Don't touch EP0 */  in lpc32xx_ep_enable()
1622 		dev_dbg(udc->dev, "Can't re-enable EP0!!!\n");  in lpc32xx_ep_enable()
2179 	struct lpc32xx_ep *ep, *ep0 = &udc->ep[0];  in udc_handle_ep0_setup()  local
2185 	nuke(ep0, -EPROTO);  in udc_handle_ep0_setup()
2190 		ep_warn(ep0, "Incorrectly sized setup packet (s/b 8, is %d)!\n",  in udc_handle_ep0_setup()
2200 	/* Set direction of EP0 */  in udc_handle_ep0_setup()
2202 		ep0->is_in = 1;  in udc_handle_ep0_setup()
2204 		ep0->is_in = 0;  in udc_handle_ep0_setup()
2301 	if (!ep0->is_in)  in udc_handle_ep0_setup()
2318 	struct lpc32xx_ep *ep0 = &udc->ep[0];  in udc_handle_ep0_in()  local
2325 	ep0->totalints++;  in udc_handle_ep0_in()
2331 		nuke(ep0, -ECONNABORTED);  in udc_handle_ep0_in()
2342 			/* Unknown state for EP0 oe end of DATA IN phase */  in udc_handle_ep0_in()
2343 			nuke(ep0, -ECONNABORTED);  in udc_handle_ep0_in()
2352 	struct lpc32xx_ep *ep0 = &udc->ep[0];  in udc_handle_ep0_out()  local
2360 	ep0->totalints++;  in udc_handle_ep0_out()
2366 		nuke(ep0, -ECONNABORTED);  in udc_handle_ep0_out()
2376 		nuke(ep0, 0);  in udc_handle_ep0_out()
2393 			/* Unknown state for EP0 */  in udc_handle_ep0_out()
2394 			nuke(ep0, -ECONNABORTED);  in udc_handle_ep0_out()
2510 			.name	= "ep0",
2771 	/* Special handling for EP0 */  in lpc32xx_usb_hp_irq()
2773 		/* Handle EP0 IN */  in lpc32xx_usb_hp_irq()
2777 		/* Handle EP0 OUT */  in lpc32xx_usb_hp_irq()
2996 	udc->gadget.ep0 = &udc->ep[0].ep;  in lpc32xx_udc_probe()