68 	struct cros_ec_debugfs *debug_info =  in cros_ec_console_log_work()  local
72 	struct cros_ec_dev *ec = debug_info->ec;  in cros_ec_console_log_work()
73 	struct circ_buf *cb = &debug_info->log_buffer;  in cros_ec_console_log_work()
79 		(struct ec_params_console_read_v1 *)debug_info->read_msg->data;  in cros_ec_console_log_work()
80 	uint8_t *ec_buffer = (uint8_t *)debug_info->read_msg->data;  in cros_ec_console_log_work()
96 	mutex_lock(&debug_info->log_mutex);  in cros_ec_console_log_work()
108 		ret = cros_ec_cmd_xfer(ec->ec_dev, debug_info->read_msg);  in cros_ec_console_log_work()
113 		if (debug_info->read_msg->result != EC_RES_SUCCESS) {  in cros_ec_console_log_work()
131 		wake_up(&debug_info->log_wq);  in cros_ec_console_log_work()
134 	mutex_unlock(&debug_info->log_mutex);  in cros_ec_console_log_work()
137 	schedule_delayed_work(&debug_info->log_poll_work,  in cros_ec_console_log_work()
151 	struct cros_ec_debugfs *debug_info = file->private_data;  in cros_ec_console_log_read()  local
152 	struct circ_buf *cb = &debug_info->log_buffer;  in cros_ec_console_log_read()
155 	mutex_lock(&debug_info->log_mutex);  in cros_ec_console_log_read()
163 		mutex_unlock(&debug_info->log_mutex);  in cros_ec_console_log_read()
165 		ret = wait_event_interruptible(debug_info->log_wq,  in cros_ec_console_log_read()
170 		mutex_lock(&debug_info->log_mutex);  in cros_ec_console_log_read()
187 	mutex_unlock(&debug_info->log_mutex);  in cros_ec_console_log_read()
194 	struct cros_ec_debugfs *debug_info = file->private_data;  in cros_ec_console_log_poll()  local
197 	poll_wait(file, &debug_info->log_wq, wait);  in cros_ec_console_log_poll()
199 	mutex_lock(&debug_info->log_mutex);  in cros_ec_console_log_poll()
200 	if (CIRC_CNT(debug_info->log_buffer.head,  in cros_ec_console_log_poll()
201 		     debug_info->log_buffer.tail,  in cros_ec_console_log_poll()
204 	mutex_unlock(&debug_info->log_mutex);  in cros_ec_console_log_poll()
220 	struct cros_ec_debugfs *debug_info = file->private_data;  in cros_ec_pdinfo_read()  local
221 	struct cros_ec_device *ec_dev = debug_info->ec->ec_dev;  in cros_ec_pdinfo_read()
312 static int cros_ec_create_console_log(struct cros_ec_debugfs *debug_info)  in cros_ec_create_console_log()  argument
314 	struct cros_ec_dev *ec = debug_info->ec;  in cros_ec_create_console_log()
331 	debug_info->read_msg = devm_kzalloc(ec->dev,  in cros_ec_create_console_log()
332 		sizeof(*debug_info->read_msg) +  in cros_ec_create_console_log()
334 	if (!debug_info->read_msg)  in cros_ec_create_console_log()
337 	debug_info->read_msg->version = 1;  in cros_ec_create_console_log()
338 	debug_info->read_msg->command = EC_CMD_CONSOLE_READ + ec->cmd_offset;  in cros_ec_create_console_log()
339 	debug_info->read_msg->outsize = read_params_size;  in cros_ec_create_console_log()
340 	debug_info->read_msg->insize = read_response_size;  in cros_ec_create_console_log()
342 	debug_info->log_buffer.buf = buf;  in cros_ec_create_console_log()
343 	debug_info->log_buffer.head = 0;  in cros_ec_create_console_log()
344 	debug_info->log_buffer.tail = 0;  in cros_ec_create_console_log()
346 	mutex_init(&debug_info->log_mutex);  in cros_ec_create_console_log()
347 	init_waitqueue_head(&debug_info->log_wq);  in cros_ec_create_console_log()
351 				 debug_info->dir,  in cros_ec_create_console_log()
352 				 debug_info,  in cros_ec_create_console_log()
356 	INIT_DELAYED_WORK(&debug_info->log_poll_work,  in cros_ec_create_console_log()
358 	schedule_delayed_work(&debug_info->log_poll_work, 0);  in cros_ec_create_console_log()
363 static void cros_ec_cleanup_console_log(struct cros_ec_debugfs *debug_info)  in cros_ec_cleanup_console_log()  argument
365 	if (debug_info->log_buffer.buf) {  in cros_ec_cleanup_console_log()
366 		cancel_delayed_work_sync(&debug_info->log_poll_work);  in cros_ec_cleanup_console_log()
367 		mutex_destroy(&debug_info->log_mutex);  in cros_ec_cleanup_console_log()
371 static int cros_ec_create_panicinfo(struct cros_ec_debugfs *debug_info)  in cros_ec_create_panicinfo()  argument
373 	struct cros_ec_device *ec_dev = debug_info->ec->ec_dev;  in cros_ec_create_panicinfo()
380 	msg = devm_kzalloc(debug_info->ec->dev,  in cros_ec_create_panicinfo()
390 		dev_warn(debug_info->ec->dev, "Cannot read panicinfo.\n");  in cros_ec_create_panicinfo()
399 	debug_info->panicinfo_blob.data = msg->data;  in cros_ec_create_panicinfo()
400 	debug_info->panicinfo_blob.size = ret;  in cros_ec_create_panicinfo()
404 				 debug_info->dir,  in cros_ec_create_panicinfo()
405 				 &debug_info->panicinfo_blob)) {  in cros_ec_create_panicinfo()
413 	devm_kfree(debug_info->ec->dev, msg);  in cros_ec_create_panicinfo()
417 static int cros_ec_create_pdinfo(struct cros_ec_debugfs *debug_info)  in cros_ec_create_pdinfo()  argument
419 	if (!debugfs_create_file("pdinfo", 0444, debug_info->dir, debug_info,  in cros_ec_create_pdinfo()
430 	struct cros_ec_debugfs *debug_info;  in cros_ec_debugfs_init()  local
433 	debug_info = devm_kzalloc(ec->dev, sizeof(*debug_info), GFP_KERNEL);  in cros_ec_debugfs_init()
434 	if (!debug_info)  in cros_ec_debugfs_init()
437 	debug_info->ec = ec;  in cros_ec_debugfs_init()
438 	debug_info->dir = debugfs_create_dir(name, NULL);  in cros_ec_debugfs_init()
439 	if (!debug_info->dir)  in cros_ec_debugfs_init()
442 	ret = cros_ec_create_panicinfo(debug_info);  in cros_ec_debugfs_init()
446 	ret = cros_ec_create_console_log(debug_info);  in cros_ec_debugfs_init()
450 	ret = cros_ec_create_pdinfo(debug_info);  in cros_ec_debugfs_init()
454 	ec->debug_info = debug_info;  in cros_ec_debugfs_init()
459 	debugfs_remove_recursive(debug_info->dir);  in cros_ec_debugfs_init()
466 	if (!ec->debug_info)  in cros_ec_debugfs_remove()
469 	debugfs_remove_recursive(ec->debug_info->dir);  in cros_ec_debugfs_remove()
470 	cros_ec_cleanup_console_log(ec->debug_info);  in cros_ec_debugfs_remove()
482 	if (ec->debug_info && ec->debug_info->log_buffer.buf)  in cros_ec_debugfs_suspend()
483 		cancel_delayed_work_sync(&ec->debug_info->log_poll_work);  in cros_ec_debugfs_suspend()
489 	if (ec->debug_info && ec->debug_info->log_buffer.buf)  in cros_ec_debugfs_resume()
490 		schedule_delayed_work(&ec->debug_info->log_poll_work, 0);  in cros_ec_debugfs_resume()