146 static ssize_t auxdev_read_iter(struct kiocb *iocb, struct iov_iter *to)  in auxdev_read_iter()  argument
148 	struct drm_dp_aux_dev *aux_dev = iocb->ki_filp->private_data;  in auxdev_read_iter()
149 	loff_t pos = iocb->ki_pos;  in auxdev_read_iter()
183 	if (pos != iocb->ki_pos)  in auxdev_read_iter()
184 		res = pos - iocb->ki_pos;  in auxdev_read_iter()
185 	iocb->ki_pos = pos;  in auxdev_read_iter()
193 static ssize_t auxdev_write_iter(struct kiocb *iocb, struct iov_iter *from)  in auxdev_write_iter()  argument
195 	struct drm_dp_aux_dev *aux_dev = iocb->ki_filp->private_data;  in auxdev_write_iter()
196 	loff_t pos = iocb->ki_pos;  in auxdev_write_iter()
230 	if (pos != iocb->ki_pos)  in auxdev_write_iter()
231 		res = pos - iocb->ki_pos;  in auxdev_write_iter()
232 	iocb->ki_pos = pos;  in auxdev_write_iter()