144 	struct usbtmc_file_data *file_data;  in usbtmc_open()  local
152 	file_data = kzalloc(sizeof(*file_data), GFP_KERNEL);  in usbtmc_open()
153 	if (!file_data)  in usbtmc_open()
161 	file_data->data = data;  in usbtmc_open()
164 	file_data->timeout = USBTMC_TIMEOUT;  in usbtmc_open()
165 	file_data->term_char = data->TermChar;  in usbtmc_open()
166 	file_data->term_char_enabled = data->TermCharEnabled;  in usbtmc_open()
167 	file_data->eom_val = 1;  in usbtmc_open()
169 	INIT_LIST_HEAD(&file_data->file_elem);  in usbtmc_open()
171 	list_add_tail(&file_data->file_elem, &data->file_list);  in usbtmc_open()
176 	filp->private_data = file_data;  in usbtmc_open()
183 	struct usbtmc_file_data *file_data = file->private_data;  in usbtmc_release()  local
186 	mutex_lock(&file_data->data->io_mutex);  in usbtmc_release()
187 	spin_lock_irq(&file_data->data->dev_lock);  in usbtmc_release()
189 	list_del(&file_data->file_elem);  in usbtmc_release()
191 	spin_unlock_irq(&file_data->data->dev_lock);  in usbtmc_release()
192 	mutex_unlock(&file_data->data->io_mutex);  in usbtmc_release()
194 	kref_put(&file_data->data->kref, usbtmc_delete);  in usbtmc_release()
195 	file_data->data = NULL;  in usbtmc_release()
196 	kfree(file_data);  in usbtmc_release()
421 static int usbtmc488_ioctl_read_stb(struct usbtmc_file_data *file_data,  in usbtmc488_ioctl_read_stb()  argument
424 	struct usbtmc_device_data *data = file_data->data;  in usbtmc488_ioctl_read_stb()
436 	srq_asserted = atomic_xchg(&file_data->srq_asserted, srq_asserted);  in usbtmc488_ioctl_read_stb()
439 		stb = file_data->srq_byte;  in usbtmc488_ioctl_read_stb()
476 			file_data->timeout);  in usbtmc488_ioctl_read_stb()
574 static int usbtmc488_ioctl_trigger(struct usbtmc_file_data *file_data)  in usbtmc488_ioctl_trigger()  argument
576 	struct usbtmc_device_data *data = file_data->data;  in usbtmc488_ioctl_trigger()
593 			      &actual, file_data->timeout);  in usbtmc488_ioctl_trigger()
621 static int send_request_dev_dep_msg_in(struct usbtmc_file_data *file_data,  in send_request_dev_dep_msg_in()  argument
624 	struct usbtmc_device_data *data = file_data->data;  in send_request_dev_dep_msg_in()
643 	buffer[8] = file_data->term_char_enabled * 2;  in send_request_dev_dep_msg_in()
645 	buffer[9] = file_data->term_char;  in send_request_dev_dep_msg_in()
654 			      &actual, file_data->timeout);  in send_request_dev_dep_msg_in()
676 	struct usbtmc_file_data *file_data;  in usbtmc_read()  local
688 	file_data = filp->private_data;  in usbtmc_read()
689 	data = file_data->data;  in usbtmc_read()
704 	retval = send_request_dev_dep_msg_in(file_data, count);  in usbtmc_read()
723 				      file_data->timeout);  in usbtmc_read()
834 	struct usbtmc_file_data *file_data;  in usbtmc_write()  local
844 	file_data = filp->private_data;  in usbtmc_write()
845 	data = file_data->data;  in usbtmc_write()
866 			buffer[8] = file_data->eom_val;  in usbtmc_write()
896 					      &actual, file_data->timeout);  in usbtmc_write()
1256 static int usbtmc_ioctl_get_timeout(struct usbtmc_file_data *file_data,  in usbtmc_ioctl_get_timeout()  argument
1261 	timeout = file_data->timeout;  in usbtmc_ioctl_get_timeout()
1269 static int usbtmc_ioctl_set_timeout(struct usbtmc_file_data *file_data,  in usbtmc_ioctl_set_timeout()  argument
1283 	file_data->timeout = timeout;  in usbtmc_ioctl_set_timeout()
1291 static int usbtmc_ioctl_eom_enable(struct usbtmc_file_data *file_data,  in usbtmc_ioctl_eom_enable()  argument
1302 	file_data->eom_val = eom_enable;  in usbtmc_ioctl_eom_enable()
1310 static int usbtmc_ioctl_config_termc(struct usbtmc_file_data *file_data,  in usbtmc_ioctl_config_termc()  argument
1320 		!(file_data->data->capabilities.device_capabilities & 1)))  in usbtmc_ioctl_config_termc()
1323 	file_data->term_char = termc.term_char;  in usbtmc_ioctl_config_termc()
1324 	file_data->term_char_enabled = termc.term_char_enabled;  in usbtmc_ioctl_config_termc()
1331 	struct usbtmc_file_data *file_data;  in usbtmc_ioctl()  local
1335 	file_data = file->private_data;  in usbtmc_ioctl()
1336 	data = file_data->data;  in usbtmc_ioctl()
1370 		retval = usbtmc_ioctl_get_timeout(file_data,  in usbtmc_ioctl()
1375 		retval = usbtmc_ioctl_set_timeout(file_data,  in usbtmc_ioctl()
1380 		retval = usbtmc_ioctl_eom_enable(file_data,  in usbtmc_ioctl()
1385 		retval = usbtmc_ioctl_config_termc(file_data,  in usbtmc_ioctl()
1398 		retval = usbtmc488_ioctl_read_stb(file_data,  in usbtmc_ioctl()
1418 		retval = usbtmc488_ioctl_trigger(file_data);  in usbtmc_ioctl()
1429 	struct usbtmc_file_data *file_data = file->private_data;  in usbtmc_fasync()  local
1431 	return fasync_helper(fd, file, on, &file_data->data->fasync);  in usbtmc_fasync()
1436 	struct usbtmc_file_data *file_data = file->private_data;  in usbtmc_poll()  local
1437 	struct usbtmc_device_data *data = file_data->data;  in usbtmc_poll()
1449 	mask = (atomic_read(&file_data->srq_asserted)) ? EPOLLPRI : 0;  in usbtmc_poll()
1508 				struct usbtmc_file_data *file_data;  in usbtmc_interrupt()  local
1510 				file_data = list_entry(elem,  in usbtmc_interrupt()
1513 				file_data->srq_byte = data->iin_buffer[1];  in usbtmc_interrupt()
1514 				atomic_set(&file_data->srq_asserted, 1);  in usbtmc_interrupt()