78     "Enable debug printing of RTC clock I/O; 1=reads, 2=writes, 3=both.");
83     "Trigger one-time IO on RTC clocks; 1=read (and discard), 2=write");
126 SX_SYSINIT(rtc_list_lock_init, &rtc_list_lock, "rtc list");
137 	struct rtc_instance *rtc;  in settime_task_func()  local
140 	rtc = arg;  in settime_task_func()
141 	if (!(rtc->flags & CLOCKF_SETTIME_NO_TS)) {  in settime_task_func()
143 		if (!(rtc->flags & CLOCKF_SETTIME_NO_ADJ)) {  in settime_task_func()
145 			timespecadd(&ts, &rtc->resadj, &ts);  in settime_task_func()
151 	error = CLOCK_SETTIME(rtc->clockdev, &ts);  in settime_task_func()
153 		device_printf(rtc->clockdev, "CLOCK_SETTIME error %d\n", error);  in settime_task_func()
213 	struct rtc_instance *rtc, *newrtc;  in clock_register_flags()  local
229 		LIST_FOREACH(rtc, &rtc_list, rtc_entries) {  in clock_register_flags()
230 			if (rtc->resolution > newrtc->resolution) {  in clock_register_flags()
231 				LIST_INSERT_BEFORE(rtc, newrtc, rtc_entries);  in clock_register_flags()
233 			} else if (LIST_NEXT(rtc, rtc_entries) == NULL) {  in clock_register_flags()
234 				LIST_INSERT_AFTER(rtc, newrtc, rtc_entries);  in clock_register_flags()
256 	struct rtc_instance *rtc, *tmp;  in clock_unregister()  local
259 	LIST_FOREACH_SAFE(rtc, &rtc_list, rtc_entries, tmp) {  in clock_unregister()
260 		if (rtc->clockdev == clockdev) {  in clock_unregister()
261 			LIST_REMOVE(rtc, rtc_entries);  in clock_unregister()
266 	if (rtc != NULL) {  in clock_unregister()
267 		taskqueue_cancel_timeout(taskqueue_thread, &rtc->stask, NULL);  in clock_unregister()
268 		taskqueue_drain_timeout(taskqueue_thread, &rtc->stask);  in clock_unregister()
269 		free(rtc, M_DEVBUF);  in clock_unregister()
276 	struct rtc_instance *rtc;  in clock_schedule()  local
279 	LIST_FOREACH(rtc, &rtc_list, rtc_entries) {  in clock_schedule()
280 		if (rtc->clockdev == clockdev) {  in clock_schedule()
281 			rtc->schedns = offsetns;  in clock_schedule()
291 	struct rtc_instance *rtc;  in read_clocks()  local
296 	LIST_FOREACH(rtc, &rtc_list, rtc_entries) {  in read_clocks()
297 		if ((error = CLOCK_GETTIME(rtc->clockdev, ts)) != 0)  in read_clocks()
303 		if (!(rtc->flags & CLOCKF_GETTIME_NO_ADJ)) {  in read_clocks()
304 			timespecadd(ts, &rtc->resadj, ts);  in read_clocks()
309 				device_printf(rtc->clockdev,  in read_clocks()
377 	struct rtc_instance *rtc;  in resettodr()  local
385 	LIST_FOREACH(rtc, &rtc_list, rtc_entries) {  in resettodr()
386 		if (rtc->schedns != 0) {  in resettodr()
388 			waitns = rtc->schedns - now.tv_nsec;  in resettodr()
395 		    &rtc->stask, -sbt, 0, C_PREL(31));  in resettodr()
414 			printf("No registered RTC clocks\n");  in sysctl_clock_do_io()