78 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_clock_settime()  local
80 	if (ptp_clock_freerun(ptp)) {  in ptp_clock_settime()
85 	return  ptp->info->settime64(ptp->info, tp);  in ptp_clock_settime()
90 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_clock_gettime()  local
93 	if (ptp->info->gettimex64)  in ptp_clock_gettime()
94 		err = ptp->info->gettimex64(ptp->info, tp, NULL);  in ptp_clock_gettime()
96 		err = ptp->info->gettime64(ptp->info, tp);  in ptp_clock_gettime()
102 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_clock_adjtime()  local
106 	if (ptp_clock_freerun(ptp)) {  in ptp_clock_adjtime()
111 	ops = ptp->info;  in ptp_clock_adjtime()
135 		ptp->dialed_frequency = tx->freq;  in ptp_clock_adjtime()
150 		tx->freq = ptp->dialed_frequency;  in ptp_clock_adjtime()
171 	struct ptp_clock *ptp = container_of(dev, struct ptp_clock, dev);  in ptp_clock_release()  local
173 	ptp_cleanup_pin_groups(ptp);  in ptp_clock_release()
174 	kfree(ptp->vclock_index);  in ptp_clock_release()
175 	mutex_destroy(&ptp->tsevq_mux);  in ptp_clock_release()
176 	mutex_destroy(&ptp->pincfg_mux);  in ptp_clock_release()
177 	mutex_destroy(&ptp->n_vclocks_mux);  in ptp_clock_release()
178 	ida_free(&ptp_clocks_map, ptp->index);  in ptp_clock_release()
179 	kfree(ptp);  in ptp_clock_release()
192 	struct ptp_clock *ptp = container_of(work, struct ptp_clock,  in ptp_aux_kworker()  local
194 	struct ptp_clock_info *info = ptp->info;  in ptp_aux_kworker()
200 		kthread_queue_delayed_work(ptp->kworker, &ptp->aux_work, delay);  in ptp_aux_kworker()
208 	struct ptp_clock *ptp;  in ptp_clock_register()  local
217 	ptp = kzalloc(sizeof(struct ptp_clock), GFP_KERNEL);  in ptp_clock_register()
218 	if (ptp == NULL)  in ptp_clock_register()
227 	ptp->clock.ops = ptp_clock_ops;  in ptp_clock_register()
228 	ptp->info = info;  in ptp_clock_register()
229 	ptp->devid = MKDEV(major, index);  in ptp_clock_register()
230 	ptp->index = index;  in ptp_clock_register()
231 	spin_lock_init(&ptp->tsevq.lock);  in ptp_clock_register()
232 	mutex_init(&ptp->tsevq_mux);  in ptp_clock_register()
233 	mutex_init(&ptp->pincfg_mux);  in ptp_clock_register()
234 	mutex_init(&ptp->n_vclocks_mux);  in ptp_clock_register()
235 	init_waitqueue_head(&ptp->tsev_wq);  in ptp_clock_register()
237 	if (ptp->info->getcycles64 || ptp->info->getcyclesx64) {  in ptp_clock_register()
238 		ptp->has_cycles = true;  in ptp_clock_register()
239 		if (!ptp->info->getcycles64 && ptp->info->getcyclesx64)  in ptp_clock_register()
240 			ptp->info->getcycles64 = ptp_getcycles64;  in ptp_clock_register()
243 		ptp->info->getcycles64 = ptp_getcycles64;  in ptp_clock_register()
245 		if (ptp->info->gettimex64)  in ptp_clock_register()
246 			ptp->info->getcyclesx64 = ptp->info->gettimex64;  in ptp_clock_register()
248 		if (ptp->info->getcrosststamp)  in ptp_clock_register()
249 			ptp->info->getcrosscycles = ptp->info->getcrosststamp;  in ptp_clock_register()
252 	if (ptp->info->do_aux_work) {  in ptp_clock_register()
253 		kthread_init_delayed_work(&ptp->aux_work, ptp_aux_kworker);  in ptp_clock_register()
254 		ptp->kworker = kthread_create_worker(0, "ptp%d", ptp->index);  in ptp_clock_register()
255 		if (IS_ERR(ptp->kworker)) {  in ptp_clock_register()
256 			err = PTR_ERR(ptp->kworker);  in ptp_clock_register()
265 		ptp->is_virtual_clock = true;  in ptp_clock_register()
267 	if (!ptp->is_virtual_clock) {  in ptp_clock_register()
268 		ptp->max_vclocks = PTP_DEFAULT_MAX_VCLOCKS;  in ptp_clock_register()
270 		size = sizeof(int) * ptp->max_vclocks;  in ptp_clock_register()
271 		ptp->vclock_index = kzalloc(size, GFP_KERNEL);  in ptp_clock_register()
272 		if (!ptp->vclock_index) {  in ptp_clock_register()
278 	err = ptp_populate_pin_groups(ptp);  in ptp_clock_register()
289 		ptp->pps_source = pps_register_source(&pps, PTP_PPS_DEFAULTS);  in ptp_clock_register()
290 		if (IS_ERR(ptp->pps_source)) {  in ptp_clock_register()
291 			err = PTR_ERR(ptp->pps_source);  in ptp_clock_register()
295 		ptp->pps_source->lookup_cookie = ptp;  in ptp_clock_register()
299 	device_initialize(&ptp->dev);  in ptp_clock_register()
300 	ptp->dev.devt = ptp->devid;  in ptp_clock_register()
301 	ptp->dev.class = ptp_class;  in ptp_clock_register()
302 	ptp->dev.parent = parent;  in ptp_clock_register()
303 	ptp->dev.groups = ptp->pin_attr_groups;  in ptp_clock_register()
304 	ptp->dev.release = ptp_clock_release;  in ptp_clock_register()
305 	dev_set_drvdata(&ptp->dev, ptp);  in ptp_clock_register()
306 	dev_set_name(&ptp->dev, "ptp%d", ptp->index);  in ptp_clock_register()
309 	err = posix_clock_register(&ptp->clock, &ptp->dev);  in ptp_clock_register()
311 		if (ptp->pps_source)  in ptp_clock_register()
312 			pps_unregister_source(ptp->pps_source);  in ptp_clock_register()
314 		if (ptp->kworker)  in ptp_clock_register()
315 			kthread_destroy_worker(ptp->kworker);  in ptp_clock_register()
317 		put_device(&ptp->dev);  in ptp_clock_register()
323 	return ptp;  in ptp_clock_register()
326 	ptp_cleanup_pin_groups(ptp);  in ptp_clock_register()
328 	kfree(ptp->vclock_index);  in ptp_clock_register()
330 	if (ptp->kworker)  in ptp_clock_register()
331 		kthread_destroy_worker(ptp->kworker);  in ptp_clock_register()
333 	mutex_destroy(&ptp->tsevq_mux);  in ptp_clock_register()
334 	mutex_destroy(&ptp->pincfg_mux);  in ptp_clock_register()
335 	mutex_destroy(&ptp->n_vclocks_mux);  in ptp_clock_register()
338 	kfree(ptp);  in ptp_clock_register()
346 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in unregister_vclock()  local
348 	ptp_vclock_unregister(info_to_vclock(ptp->info));  in unregister_vclock()
352 int ptp_clock_unregister(struct ptp_clock *ptp)  in ptp_clock_unregister()  argument
354 	if (ptp_vclock_in_use(ptp)) {  in ptp_clock_unregister()
355 		device_for_each_child(&ptp->dev, NULL, unregister_vclock);  in ptp_clock_unregister()
358 	ptp->defunct = 1;  in ptp_clock_unregister()
359 	wake_up_interruptible(&ptp->tsev_wq);  in ptp_clock_unregister()
361 	if (ptp->kworker) {  in ptp_clock_unregister()
362 		kthread_cancel_delayed_work_sync(&ptp->aux_work);  in ptp_clock_unregister()
363 		kthread_destroy_worker(ptp->kworker);  in ptp_clock_unregister()
367 	if (ptp->pps_source)  in ptp_clock_unregister()
368 		pps_unregister_source(ptp->pps_source);  in ptp_clock_unregister()
370 	posix_clock_unregister(&ptp->clock);  in ptp_clock_unregister()
376 void ptp_clock_event(struct ptp_clock *ptp, struct ptp_clock_event *event)  in ptp_clock_event()  argument
386 		enqueue_external_timestamp(&ptp->tsevq, event);  in ptp_clock_event()
387 		wake_up_interruptible(&ptp->tsev_wq);  in ptp_clock_event()
392 		pps_event(ptp->pps_source, &evt, PTP_PPS_EVENT, NULL);  in ptp_clock_event()
396 		pps_event(ptp->pps_source, &event->pps_times,  in ptp_clock_event()
403 int ptp_clock_index(struct ptp_clock *ptp)  in ptp_clock_index()  argument
405 	return ptp->index;  in ptp_clock_index()
409 int ptp_find_pin(struct ptp_clock *ptp,  in ptp_find_pin()  argument
415 	for (i = 0; i < ptp->info->n_pins; i++) {  in ptp_find_pin()
416 		if (ptp->info->pin_config[i].func == func &&  in ptp_find_pin()
417 		    ptp->info->pin_config[i].chan == chan) {  in ptp_find_pin()
418 			pin = &ptp->info->pin_config[i];  in ptp_find_pin()
427 int ptp_find_pin_unlocked(struct ptp_clock *ptp,  in ptp_find_pin_unlocked()  argument
432 	mutex_lock(&ptp->pincfg_mux);  in ptp_find_pin_unlocked()
434 	result = ptp_find_pin(ptp, func, chan);  in ptp_find_pin_unlocked()
436 	mutex_unlock(&ptp->pincfg_mux);  in ptp_find_pin_unlocked()
442 int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay)  in ptp_schedule_worker()  argument
444 	return kthread_mod_delayed_work(ptp->kworker, &ptp->aux_work, delay);  in ptp_schedule_worker()
448 void ptp_cancel_worker_sync(struct ptp_clock *ptp)  in ptp_cancel_worker_sync()  argument
450 	kthread_cancel_delayed_work_sync(&ptp->aux_work);  in ptp_cancel_worker_sync()