34 static void smsdvb_print_dvb_stats(struct smsdvb_debugfs *debug_data,  in smsdvb_print_dvb_stats()  argument
40 	spin_lock(&debug_data->lock);  in smsdvb_print_dvb_stats()
41 	if (debug_data->stats_count) {  in smsdvb_print_dvb_stats()
42 		spin_unlock(&debug_data->lock);  in smsdvb_print_dvb_stats()
46 	buf = debug_data->stats_data;  in smsdvb_print_dvb_stats()
132 	debug_data->stats_count = n;  in smsdvb_print_dvb_stats()
133 	spin_unlock(&debug_data->lock);  in smsdvb_print_dvb_stats()
134 	wake_up(&debug_data->stats_queue);  in smsdvb_print_dvb_stats()
137 static void smsdvb_print_isdb_stats(struct smsdvb_debugfs *debug_data,  in smsdvb_print_isdb_stats()  argument
143 	spin_lock(&debug_data->lock);  in smsdvb_print_isdb_stats()
144 	if (debug_data->stats_count) {  in smsdvb_print_isdb_stats()
145 		spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats()
149 	buf = debug_data->stats_data;  in smsdvb_print_isdb_stats()
222 	debug_data->stats_count = n;  in smsdvb_print_isdb_stats()
223 	spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats()
224 	wake_up(&debug_data->stats_queue);  in smsdvb_print_isdb_stats()
227 static void smsdvb_print_isdb_stats_ex(struct smsdvb_debugfs *debug_data,  in smsdvb_print_isdb_stats_ex()  argument
233 	spin_lock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
234 	if (debug_data->stats_count) {  in smsdvb_print_isdb_stats_ex()
235 		spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
239 	buf = debug_data->stats_data;  in smsdvb_print_isdb_stats_ex()
315 	debug_data->stats_count = n;  in smsdvb_print_isdb_stats_ex()
316 	spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
318 	wake_up(&debug_data->stats_queue);  in smsdvb_print_isdb_stats_ex()
324 	struct smsdvb_debugfs *debug_data = client->debug_data;  in smsdvb_stats_open()  local
326 	kref_get(&debug_data->refcount);  in smsdvb_stats_open()
328 	spin_lock(&debug_data->lock);  in smsdvb_stats_open()
329 	debug_data->stats_count = 0;  in smsdvb_stats_open()
330 	debug_data->stats_was_read = false;  in smsdvb_stats_open()
331 	spin_unlock(&debug_data->lock);  in smsdvb_stats_open()
333 	file->private_data = debug_data;  in smsdvb_stats_open()
340 	struct smsdvb_debugfs *debug_data;  in smsdvb_debugfs_data_release()  local
342 	debug_data = container_of(ref, struct smsdvb_debugfs, refcount);  in smsdvb_debugfs_data_release()
343 	kfree(debug_data);  in smsdvb_debugfs_data_release()
346 static int smsdvb_stats_wait_read(struct smsdvb_debugfs *debug_data)  in smsdvb_stats_wait_read()  argument
350 	spin_lock(&debug_data->lock);  in smsdvb_stats_wait_read()
352 	if (debug_data->stats_was_read)  in smsdvb_stats_wait_read()
355 	rc = debug_data->stats_count;  in smsdvb_stats_wait_read()
358 	spin_unlock(&debug_data->lock);  in smsdvb_stats_wait_read()
364 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_poll()  local
367 	kref_get(&debug_data->refcount);  in smsdvb_stats_poll()
369 	poll_wait(file, &debug_data->stats_queue, wait);  in smsdvb_stats_poll()
371 	rc = smsdvb_stats_wait_read(debug_data);  in smsdvb_stats_poll()
372 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_poll()
381 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_read()  local
383 	kref_get(&debug_data->refcount);  in smsdvb_stats_read()
386 		rc = smsdvb_stats_wait_read(debug_data);  in smsdvb_stats_read()
392 		rc = wait_event_interruptible(debug_data->stats_queue,  in smsdvb_stats_read()
393 				      smsdvb_stats_wait_read(debug_data));  in smsdvb_stats_read()
398 	if (debug_data->stats_was_read) {  in smsdvb_stats_read()
403 	len = debug_data->stats_count - *ppos;  in smsdvb_stats_read()
406 					     debug_data->stats_data, len);  in smsdvb_stats_read()
410 	if (*ppos >= debug_data->stats_count) {  in smsdvb_stats_read()
411 		spin_lock(&debug_data->lock);  in smsdvb_stats_read()
412 		debug_data->stats_was_read = true;  in smsdvb_stats_read()
413 		spin_unlock(&debug_data->lock);  in smsdvb_stats_read()
416 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_read()
422 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_release()  local
424 	spin_lock(&debug_data->lock);  in smsdvb_stats_release()
425 	debug_data->stats_was_read = true;	/* return EOF to read() */  in smsdvb_stats_release()
426 	spin_unlock(&debug_data->lock);  in smsdvb_stats_release()
427 	wake_up_interruptible_sync(&debug_data->stats_queue);  in smsdvb_stats_release()
429 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_release()
451 	struct smsdvb_debugfs *debug_data;  in smsdvb_debugfs_create()  local
471 	debug_data = kzalloc(sizeof(*client->debug_data), GFP_KERNEL);  in smsdvb_debugfs_create()
472 	if (!debug_data)  in smsdvb_debugfs_create()
475 	client->debug_data        = debug_data;  in smsdvb_debugfs_create()
480 	init_waitqueue_head(&debug_data->stats_queue);  in smsdvb_debugfs_create()
481 	spin_lock_init(&debug_data->lock);  in smsdvb_debugfs_create()
482 	kref_init(&debug_data->refcount);  in smsdvb_debugfs_create()
497 	kref_put(&client->debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_debugfs_release()
499 	client->debug_data = NULL;  in smsdvb_debugfs_release()