144 static ssize_t auxdev_read_iter(struct kiocb *iocb, struct iov_iter *to)  in auxdev_read_iter()  argument
146 	struct drm_dp_aux_dev *aux_dev = iocb->ki_filp->private_data;  in auxdev_read_iter()
147 	loff_t pos = iocb->ki_pos;  in auxdev_read_iter()
176 	if (pos != iocb->ki_pos)  in auxdev_read_iter()
177 		res = pos - iocb->ki_pos;  in auxdev_read_iter()
178 	iocb->ki_pos = pos;  in auxdev_read_iter()
186 static ssize_t auxdev_write_iter(struct kiocb *iocb, struct iov_iter *from)  in auxdev_write_iter()  argument
188 	struct drm_dp_aux_dev *aux_dev = iocb->ki_filp->private_data;  in auxdev_write_iter()
189 	loff_t pos = iocb->ki_pos;  in auxdev_write_iter()
218 	if (pos != iocb->ki_pos)  in auxdev_write_iter()
219 		res = pos - iocb->ki_pos;  in auxdev_write_iter()
220 	iocb->ki_pos = pos;  in auxdev_write_iter()