55 static void pps_echo_client_default(struct pps_device *pps, int event,  in pps_echo_client_default()  argument
58 	dev_info(pps->dev, "echo %s %s\n",  in pps_echo_client_default()
81 	struct pps_device *pps;  in pps_register_source()  local
99 	pps = kzalloc(sizeof(struct pps_device), GFP_KERNEL);  in pps_register_source()
100 	if (pps == NULL) {  in pps_register_source()
108 	pps->params.api_version = PPS_API_VERS;  in pps_register_source()
109 	pps->params.mode = default_params;  in pps_register_source()
110 	pps->info = *info;  in pps_register_source()
113 	if ((pps->info.mode & (PPS_ECHOASSERT | PPS_ECHOCLEAR)) &&  in pps_register_source()
114 			pps->info.echo == NULL)  in pps_register_source()
115 		pps->info.echo = pps_echo_client_default;  in pps_register_source()
117 	init_waitqueue_head(&pps->queue);  in pps_register_source()
118 	spin_lock_init(&pps->lock);  in pps_register_source()
121 	err = pps_register_cdev(pps);  in pps_register_source()
128 	dev_info(pps->dev, "new PPS source %s\n", info->name);  in pps_register_source()
130 	return pps;  in pps_register_source()
133 	kfree(pps);  in pps_register_source()
149 void pps_unregister_source(struct pps_device *pps)  in pps_unregister_source()  argument
151 	pps_kc_remove(pps);  in pps_unregister_source()
152 	pps_unregister_cdev(pps);  in pps_unregister_source()
172 void pps_event(struct pps_device *pps, struct pps_event_time *ts, int event,  in pps_event()  argument
182 	dev_dbg(pps->dev, "PPS event at %ld.%09ld\n",  in pps_event()
187 	spin_lock_irqsave(&pps->lock, flags);  in pps_event()
190 	if ((pps->params.mode & (PPS_ECHOASSERT | PPS_ECHOCLEAR)))  in pps_event()
191 		pps->info.echo(pps, event, data);  in pps_event()
194 	pps->current_mode = pps->params.mode;  in pps_event()
195 	if (event & pps->params.mode & PPS_CAPTUREASSERT) {  in pps_event()
197 		if (pps->params.mode & PPS_OFFSETASSERT)  in pps_event()
199 					&pps->params.assert_off_tu);  in pps_event()
202 		pps->assert_tu = ts_real;  in pps_event()
203 		pps->assert_sequence++;  in pps_event()
204 		dev_dbg(pps->dev, "capture assert seq #%u\n",  in pps_event()
205 			pps->assert_sequence);  in pps_event()
209 	if (event & pps->params.mode & PPS_CAPTURECLEAR) {  in pps_event()
211 		if (pps->params.mode & PPS_OFFSETCLEAR)  in pps_event()
213 					&pps->params.clear_off_tu);  in pps_event()
216 		pps->clear_tu = ts_real;  in pps_event()
217 		pps->clear_sequence++;  in pps_event()
218 		dev_dbg(pps->dev, "capture clear seq #%u\n",  in pps_event()
219 			pps->clear_sequence);  in pps_event()
224 	pps_kc_event(pps, ts, event);  in pps_event()
228 		pps->last_ev++;  in pps_event()
229 		wake_up_interruptible_all(&pps->queue);  in pps_event()
231 		kill_fasync(&pps->async_queue, SIGIO, POLL_IN);  in pps_event()
234 	spin_unlock_irqrestore(&pps->lock, flags);  in pps_event()