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()
91 	debug_data->stats_count = n;  in smsdvb_print_dvb_stats()
92 	spin_unlock(&debug_data->lock);  in smsdvb_print_dvb_stats()
93 	wake_up(&debug_data->stats_queue);  in smsdvb_print_dvb_stats()
96 static void smsdvb_print_isdb_stats(struct smsdvb_debugfs *debug_data,  in smsdvb_print_isdb_stats()  argument
102 	spin_lock(&debug_data->lock);  in smsdvb_print_isdb_stats()
103 	if (debug_data->stats_count) {  in smsdvb_print_isdb_stats()
104 		spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats()
108 	buf = debug_data->stats_data;  in smsdvb_print_isdb_stats()
155 	debug_data->stats_count = n;  in smsdvb_print_isdb_stats()
156 	spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats()
157 	wake_up(&debug_data->stats_queue);  in smsdvb_print_isdb_stats()
160 static void smsdvb_print_isdb_stats_ex(struct smsdvb_debugfs *debug_data,  in smsdvb_print_isdb_stats_ex()  argument
166 	spin_lock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
167 	if (debug_data->stats_count) {  in smsdvb_print_isdb_stats_ex()
168 		spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
172 	buf = debug_data->stats_data;  in smsdvb_print_isdb_stats_ex()
221 	debug_data->stats_count = n;  in smsdvb_print_isdb_stats_ex()
222 	spin_unlock(&debug_data->lock);  in smsdvb_print_isdb_stats_ex()
224 	wake_up(&debug_data->stats_queue);  in smsdvb_print_isdb_stats_ex()
230 	struct smsdvb_debugfs *debug_data = client->debug_data;  in smsdvb_stats_open()  local
232 	kref_get(&debug_data->refcount);  in smsdvb_stats_open()
234 	spin_lock(&debug_data->lock);  in smsdvb_stats_open()
235 	debug_data->stats_count = 0;  in smsdvb_stats_open()
236 	debug_data->stats_was_read = false;  in smsdvb_stats_open()
237 	spin_unlock(&debug_data->lock);  in smsdvb_stats_open()
239 	file->private_data = debug_data;  in smsdvb_stats_open()
246 	struct smsdvb_debugfs *debug_data;  in smsdvb_debugfs_data_release()  local
248 	debug_data = container_of(ref, struct smsdvb_debugfs, refcount);  in smsdvb_debugfs_data_release()
249 	kfree(debug_data);  in smsdvb_debugfs_data_release()
252 static int smsdvb_stats_wait_read(struct smsdvb_debugfs *debug_data)  in smsdvb_stats_wait_read()  argument
256 	spin_lock(&debug_data->lock);  in smsdvb_stats_wait_read()
258 	if (debug_data->stats_was_read)  in smsdvb_stats_wait_read()
261 	rc = debug_data->stats_count;  in smsdvb_stats_wait_read()
264 	spin_unlock(&debug_data->lock);  in smsdvb_stats_wait_read()
270 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_poll()  local
273 	kref_get(&debug_data->refcount);  in smsdvb_stats_poll()
275 	poll_wait(file, &debug_data->stats_queue, wait);  in smsdvb_stats_poll()
277 	rc = smsdvb_stats_wait_read(debug_data);  in smsdvb_stats_poll()
278 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_poll()
287 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_read()  local
289 	kref_get(&debug_data->refcount);  in smsdvb_stats_read()
292 		rc = smsdvb_stats_wait_read(debug_data);  in smsdvb_stats_read()
298 		rc = wait_event_interruptible(debug_data->stats_queue,  in smsdvb_stats_read()
299 				      smsdvb_stats_wait_read(debug_data));  in smsdvb_stats_read()
304 	if (debug_data->stats_was_read) {  in smsdvb_stats_read()
309 	len = debug_data->stats_count - *ppos;  in smsdvb_stats_read()
312 					     debug_data->stats_data, len);  in smsdvb_stats_read()
316 	if (*ppos >= debug_data->stats_count) {  in smsdvb_stats_read()
317 		spin_lock(&debug_data->lock);  in smsdvb_stats_read()
318 		debug_data->stats_was_read = true;  in smsdvb_stats_read()
319 		spin_unlock(&debug_data->lock);  in smsdvb_stats_read()
322 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_read()
328 	struct smsdvb_debugfs *debug_data = file->private_data;  in smsdvb_stats_release()  local
330 	spin_lock(&debug_data->lock);  in smsdvb_stats_release()
331 	debug_data->stats_was_read = true;	/* return EOF to read() */  in smsdvb_stats_release()
332 	spin_unlock(&debug_data->lock);  in smsdvb_stats_release()
333 	wake_up_interruptible_sync(&debug_data->stats_queue);  in smsdvb_stats_release()
335 	kref_put(&debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_stats_release()
357 	struct smsdvb_debugfs *debug_data;  in smsdvb_debugfs_create()  local
377 	debug_data = kzalloc(sizeof(*client->debug_data), GFP_KERNEL);  in smsdvb_debugfs_create()
378 	if (!debug_data)  in smsdvb_debugfs_create()
381 	client->debug_data        = debug_data;  in smsdvb_debugfs_create()
386 	init_waitqueue_head(&debug_data->stats_queue);  in smsdvb_debugfs_create()
387 	spin_lock_init(&debug_data->lock);  in smsdvb_debugfs_create()
388 	kref_init(&debug_data->refcount);  in smsdvb_debugfs_create()
403 	kref_put(&client->debug_data->refcount, smsdvb_debugfs_data_release);  in smsdvb_debugfs_release()
405 	client->debug_data = NULL;  in smsdvb_debugfs_release()