9fae5f857e
This ioctl code sets RS232, RS422 or RS485 mode. Move the code to a separate function (mxser_ioctl_op_mode) with a note that these mxser-special ioctls should be likely replaced eventually by TIOCGRS485 and TIOCSRS485. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210618061516.662-39-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>