2  * PTP 1588 clock support - character device implementation.
61 int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin,  in ptp_set_pinfunc()  argument
64 	struct ptp_clock_info *info = ptp->info;  in ptp_set_pinfunc()
129 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_ioctl()  local
130 	struct ptp_clock_info *ops = ptp->info;  in ptp_ioctl()
141 		caps.max_adj = ptp->info->max_adj;  in ptp_ioctl()
142 		caps.n_alarm = ptp->info->n_alarm;  in ptp_ioctl()
143 		caps.n_ext_ts = ptp->info->n_ext_ts;  in ptp_ioctl()
144 		caps.n_per_out = ptp->info->n_per_out;  in ptp_ioctl()
145 		caps.pps = ptp->info->pps;  in ptp_ioctl()
146 		caps.n_pins = ptp->info->n_pins;  in ptp_ioctl()
147 		caps.cross_timestamping = ptp->info->getcrosststamp != NULL;  in ptp_ioctl()
191 		if (!ptp->info->getcrosststamp) {  in ptp_ioctl()
195 		err = ptp->info->getcrosststamp(ptp->info, &xtstamp);  in ptp_ioctl()
231 			err = ptp->info->gettime64(ptp->info, &ts);  in ptp_ioctl()
256 		if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_ioctl()
259 		mutex_unlock(&ptp->pincfg_mux);  in ptp_ioctl()
275 		if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_ioctl()
277 		err = ptp_set_pinfunc(ptp, pin_index, pd.func, pd.chan);  in ptp_ioctl()
278 		mutex_unlock(&ptp->pincfg_mux);  in ptp_ioctl()
293 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_poll()  local
295 	poll_wait(fp, &ptp->tsev_wq, wait);  in ptp_poll()
297 	return queue_cnt(&ptp->tsevq) ? EPOLLIN : 0;  in ptp_poll()
305 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_read()  local
306 	struct timestamp_event_queue *queue = &ptp->tsevq;  in ptp_read()
320 	if (mutex_lock_interruptible(&ptp->tsevq_mux))  in ptp_read()
323 	if (wait_event_interruptible(ptp->tsev_wq,  in ptp_read()
324 				     ptp->defunct || queue_cnt(queue))) {  in ptp_read()
325 		mutex_unlock(&ptp->tsevq_mux);  in ptp_read()
329 	if (ptp->defunct) {  in ptp_read()
330 		mutex_unlock(&ptp->tsevq_mux);  in ptp_read()
336 		mutex_unlock(&ptp->tsevq_mux);  in ptp_read()
356 	mutex_unlock(&ptp->tsevq_mux);  in ptp_read()