153 	struct ed	*ed;  in ohci_urb_enqueue()  local
160 	/* every endpoint has a ed, locate and maybe (re)initialize it */  in ohci_urb_enqueue()
161 	ed = ed_get(ohci, urb->ep, urb->dev, pipe, urb->interval);  in ohci_urb_enqueue()
162 	if (! ed)  in ohci_urb_enqueue()
166 	switch (ed->type) {  in ohci_urb_enqueue()
198 	urb_priv->ed = ed;  in ohci_urb_enqueue()
225 	/* schedule the ed if needed */  in ohci_urb_enqueue()
226 	if (ed->state == ED_IDLE) {  in ohci_urb_enqueue()
227 		retval = ed_schedule (ohci, ed);  in ohci_urb_enqueue()
241 		list_add(&ed->in_use_list, &ohci->eds_in_use);  in ohci_urb_enqueue()
243 		if (ed->type == PIPE_ISOCHRONOUS) {  in ohci_urb_enqueue()
247 			frame += max_t (u16, 8, ed->interval);  in ohci_urb_enqueue()
248 			frame &= ~(ed->interval - 1);  in ohci_urb_enqueue()
249 			frame |= ed->branch;  in ohci_urb_enqueue()
251 			ed->last_iso = frame + ed->interval * (size - 1);  in ohci_urb_enqueue()
253 	} else if (ed->type == PIPE_ISOCHRONOUS) {  in ohci_urb_enqueue()
255 		u16	frame = ed->last_iso + ed->interval;  in ohci_urb_enqueue()
256 		u16	length = ed->interval * (size - 1);  in ohci_urb_enqueue()
263 				frame += (next - frame + ed->interval - 1) &  in ohci_urb_enqueue()
264 						-ed->interval;  in ohci_urb_enqueue()
274 				 * to the next ED instead of the next TD.  in ohci_urb_enqueue()
280 						ed->interval);  in ohci_urb_enqueue()
290 		ed->last_iso = frame + length;  in ohci_urb_enqueue()
293 	/* fill the TDs and link them to the ed; and  in ohci_urb_enqueue()
311  * partially transferred, or an ED with other urbs being unlinked.
329 		if (urb_priv->ed->state == ED_OPER)  in ohci_urb_dequeue()
330 			start_ed_unlink(ohci, urb_priv->ed);  in ohci_urb_dequeue()
344  * including ED memory, dummy TD, and bulk/intr data toggle
352 	struct ed		*ed = ep->hcpriv;  in ohci_endpoint_disable()  local
358 	if (!ed)  in ohci_endpoint_disable()
366 		ed->state = ED_IDLE;  in ohci_endpoint_disable()
370 	switch (ed->state) {  in ohci_endpoint_disable()
374 			ohci_warn(ohci, "ED unlink timeout\n");  in ohci_endpoint_disable()
381 		if (list_empty (&ed->td_list)) {  in ohci_endpoint_disable()
382 			td_free (ohci, ed->dummy);  in ohci_endpoint_disable()
383 			ed_free (ohci, ed);  in ohci_endpoint_disable()
389 		 * that's not our job.  can't recover; must leak ed.  in ohci_endpoint_disable()
391 		ohci_err (ohci, "leak ed %p (#%02x) state %d%s\n",  in ohci_endpoint_disable()
392 			ed, ep->desc.bEndpointAddress, ed->state,  in ohci_endpoint_disable()
393 			list_empty (&ed->td_list) ? "" : " (has tds)");  in ohci_endpoint_disable()
394 		td_free (ohci, ed->dummy);  in ohci_endpoint_disable()
753 	struct ed	*ed;  in io_watchdog_func()  local
782 	/* Check every ED which might have pending TDs */  in io_watchdog_func()
783 	list_for_each_entry(ed, &ohci->eds_in_use, in_use_list) {  in io_watchdog_func()
784 		if (ed->pending_td) {  in io_watchdog_func()
786 					OKAY_TO_TAKEBACK(ohci, ed)) {  in io_watchdog_func()
787 				unsigned tmp = hc32_to_cpu(ohci, ed->hwINFO);  in io_watchdog_func()
793 				add_to_done_list(ohci, ed->pending_td);  in io_watchdog_func()
798 		td = ed->pending_td;  in io_watchdog_func()
802 			list_for_each_entry(td_next, &ed->td_list, td_list) {  in io_watchdog_func()
810 		head = hc32_to_cpu(ohci, READ_ONCE(ed->hwHeadP)) & TD_MASK;  in io_watchdog_func()
812 		td_next = list_prepare_entry(td, &ed->td_list, td_list);  in io_watchdog_func()
813 		list_for_each_entry_continue(td_next, &ed->td_list, td_list) {  in io_watchdog_func()
824 			ed->takeback_wdh_cnt = ohci->wdh_cnt + 2;  in io_watchdog_func()
825 			ed->pending_td = td;  in io_watchdog_func()
967 	/* handle any pending URB/ED unlinks, leaving INTR_SF enabled  in ohci_irq()
1053 		struct ed	*ed = priv->ed;  in ohci_restart()  local
1055 		switch (ed->state) {  in ohci_restart()
1057 			ed->state = ED_UNLINK;  in ohci_restart()
1058 			ed->hwINFO |= cpu_to_hc32(ohci, ED_DEQUEUE);  in ohci_restart()
1059 			ed_deschedule (ohci, ed);  in ohci_restart()
1061 			ed->ed_next = ohci->ed_rm_list;  in ohci_restart()
1062 			ed->ed_prev = NULL;  in ohci_restart()
1063 			ohci->ed_rm_list = ed;  in ohci_restart()
1068 			ohci_dbg(ohci, "bogus ed %p state %d\n",  in ohci_restart()
1069 					ed, ed->state);  in ohci_restart()
1282 	pr_debug ("%s: block sizes: ed %zd td %zd\n", hcd_name,  in ohci_hcd_mod_init()
1283 		sizeof (struct ed), sizeof (struct td));  in ohci_hcd_mod_init()