3  * PTP 1588 clock support - character device implementation.
48 int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin,  in ptp_set_pinfunc()  argument
51 	struct ptp_clock_info *info = ptp->info;  in ptp_set_pinfunc()
111 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_ioctl()  local
115 	struct ptp_clock_info *ops = ptp->info;  in ptp_ioctl()
132 		caps.max_adj = ptp->info->max_adj;  in ptp_ioctl()
133 		caps.n_alarm = ptp->info->n_alarm;  in ptp_ioctl()
134 		caps.n_ext_ts = ptp->info->n_ext_ts;  in ptp_ioctl()
135 		caps.n_per_out = ptp->info->n_per_out;  in ptp_ioctl()
136 		caps.pps = ptp->info->pps;  in ptp_ioctl()
137 		caps.n_pins = ptp->info->n_pins;  in ptp_ioctl()
138 		caps.cross_timestamping = ptp->info->getcrosststamp != NULL;  in ptp_ioctl()
139 		caps.adjust_phase = ptp->info->adjphase != NULL;  in ptp_ioctl()
179 		if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_ioctl()
182 		mutex_unlock(&ptp->pincfg_mux);  in ptp_ioctl()
247 		if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_ioctl()
250 		mutex_unlock(&ptp->pincfg_mux);  in ptp_ioctl()
261 		if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_ioctl()
264 		mutex_unlock(&ptp->pincfg_mux);  in ptp_ioctl()
269 		if (!ptp->info->getcrosststamp) {  in ptp_ioctl()
273 		err = ptp->info->getcrosststamp(ptp->info, &xtstamp);  in ptp_ioctl()
294 		if (!ptp->info->gettimex64) {  in ptp_ioctl()
310 			err = ptp->info->gettimex64(ptp->info, &ts, &sts);  in ptp_ioctl()
383 		if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_ioctl()
386 		mutex_unlock(&ptp->pincfg_mux);  in ptp_ioctl()
415 		if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_ioctl()
417 		err = ptp_set_pinfunc(ptp, pin_index, pd.func, pd.chan);  in ptp_ioctl()
418 		mutex_unlock(&ptp->pincfg_mux);  in ptp_ioctl()
434 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_poll()  local
436 	poll_wait(fp, &ptp->tsev_wq, wait);  in ptp_poll()
438 	return queue_cnt(&ptp->tsevq) ? EPOLLIN : 0;  in ptp_poll()
446 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);  in ptp_read()  local
447 	struct timestamp_event_queue *queue = &ptp->tsevq;  in ptp_read()
461 	if (mutex_lock_interruptible(&ptp->tsevq_mux))  in ptp_read()
464 	if (wait_event_interruptible(ptp->tsev_wq,  in ptp_read()
465 				     ptp->defunct || queue_cnt(queue))) {  in ptp_read()
466 		mutex_unlock(&ptp->tsevq_mux);  in ptp_read()
470 	if (ptp->defunct) {  in ptp_read()
471 		mutex_unlock(&ptp->tsevq_mux);  in ptp_read()
477 		mutex_unlock(&ptp->tsevq_mux);  in ptp_read()
497 	mutex_unlock(&ptp->tsevq_mux);  in ptp_read()