49 static void smsdvb_print_dvb_stats(struct smsdvb_debugfs *debug_data,  in smsdvb_print_dvb_stats()  argument
55 	spin_lock(&debug_data->lock);  in smsdvb_print_dvb_stats()
56 	if (debug_data->stats_count) {  in smsdvb_print_dvb_stats()
57 		spin_unlock(&debug_data->lock);  in smsdvb_print_dvb_stats()
61 	buf = debug_data->stats_data;  in smsdvb_print_dvb_stats()
147 	debug_data->stats_count = n;  in smsdvb_print_dvb_stats()
148 	spin_unlock(&debug_data->lock);  in smsdvb_print_dvb_stats()
149 	wake_up(&debug_data->stats_queue);  in smsdvb_print_dvb_stats()
152 static void smsdvb_print_isdb_stats(struct smsdvb_debugfs *debug_data,  in smsdvb_print_isdb_stats()  argument
158 	spin_lock(&debug_data->lock);  in smsdvb_print_isdb_stats()
159 	if (debug_data->stats_count) {  in smsdvb_print_isdb_stats()
160 		spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats()
164 	buf = debug_data->stats_data;  in smsdvb_print_isdb_stats()
237 	debug_data->stats_count = n;  in smsdvb_print_isdb_stats()
238 	spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats()
239 	wake_up(&debug_data->stats_queue);  in smsdvb_print_isdb_stats()
242 static void smsdvb_print_isdb_stats_ex(struct smsdvb_debugfs *debug_data,  in smsdvb_print_isdb_stats_ex()  argument
248 	spin_lock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
249 	if (debug_data->stats_count) {  in smsdvb_print_isdb_stats_ex()
250 		spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
254 	buf = debug_data->stats_data;  in smsdvb_print_isdb_stats_ex()
330 	debug_data->stats_count = n;  in smsdvb_print_isdb_stats_ex()
331 	spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
333 	wake_up(&debug_data->stats_queue);  in smsdvb_print_isdb_stats_ex()
339 	struct smsdvb_debugfs *debug_data = client->debug_data;  in smsdvb_stats_open()  local
341 	kref_get(&debug_data->refcount);  in smsdvb_stats_open()
343 	spin_lock(&debug_data->lock);  in smsdvb_stats_open()
344 	debug_data->stats_count = 0;  in smsdvb_stats_open()
345 	debug_data->stats_was_read = false;  in smsdvb_stats_open()
346 	spin_unlock(&debug_data->lock);  in smsdvb_stats_open()
348 	file->private_data = debug_data;  in smsdvb_stats_open()
355 	struct smsdvb_debugfs *debug_data;  in smsdvb_debugfs_data_release()  local
357 	debug_data = container_of(ref, struct smsdvb_debugfs, refcount);  in smsdvb_debugfs_data_release()
358 	kfree(debug_data);  in smsdvb_debugfs_data_release()
361 static int smsdvb_stats_wait_read(struct smsdvb_debugfs *debug_data)  in smsdvb_stats_wait_read()  argument
365 	spin_lock(&debug_data->lock);  in smsdvb_stats_wait_read()
367 	if (debug_data->stats_was_read)  in smsdvb_stats_wait_read()
370 	rc = debug_data->stats_count;  in smsdvb_stats_wait_read()
373 	spin_unlock(&debug_data->lock);  in smsdvb_stats_wait_read()
379 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_poll()  local
382 	kref_get(&debug_data->refcount);  in smsdvb_stats_poll()
384 	poll_wait(file, &debug_data->stats_queue, wait);  in smsdvb_stats_poll()
386 	rc = smsdvb_stats_wait_read(debug_data);  in smsdvb_stats_poll()
390 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_poll()
399 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_read()  local
401 	kref_get(&debug_data->refcount);  in smsdvb_stats_read()
404 		rc = smsdvb_stats_wait_read(debug_data);  in smsdvb_stats_read()
410 		rc = wait_event_interruptible(debug_data->stats_queue,  in smsdvb_stats_read()
411 				      smsdvb_stats_wait_read(debug_data));  in smsdvb_stats_read()
416 	if (debug_data->stats_was_read) {  in smsdvb_stats_read()
421 	len = debug_data->stats_count - *ppos;  in smsdvb_stats_read()
424 					     debug_data->stats_data, len);  in smsdvb_stats_read()
428 	if (*ppos >= debug_data->stats_count) {  in smsdvb_stats_read()
429 		spin_lock(&debug_data->lock);  in smsdvb_stats_read()
430 		debug_data->stats_was_read = true;  in smsdvb_stats_read()
431 		spin_unlock(&debug_data->lock);  in smsdvb_stats_read()
434 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_read()
440 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_release()  local
442 	spin_lock(&debug_data->lock);  in smsdvb_stats_release()
443 	debug_data->stats_was_read = true;	/* return EOF to read() */  in smsdvb_stats_release()
444 	spin_unlock(&debug_data->lock);  in smsdvb_stats_release()
445 	wake_up_interruptible_sync(&debug_data->stats_queue);  in smsdvb_stats_release()
447 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_release()
469 	struct smsdvb_debugfs *debug_data;  in smsdvb_debugfs_create()  local
489 	debug_data = kzalloc(sizeof(*client->debug_data), GFP_KERNEL);  in smsdvb_debugfs_create()
490 	if (!debug_data)  in smsdvb_debugfs_create()
493 	client->debug_data        = debug_data;  in smsdvb_debugfs_create()
498 	init_waitqueue_head(&debug_data->stats_queue);  in smsdvb_debugfs_create()
499 	spin_lock_init(&debug_data->lock);  in smsdvb_debugfs_create()
500 	kref_init(&debug_data->refcount);  in smsdvb_debugfs_create()
515 	kref_put(&client->debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_debugfs_release()
517 	client->debug_data = NULL;  in smsdvb_debugfs_release()