--- zzzz-none-000/linux-3.10.107/arch/sh/include/uapi/asm/ioctls.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/sh/include/uapi/asm/ioctls.h	2021-02-04 17:41:59.000000000 +0000
@@ -83,6 +83,8 @@
 #define TCSETS2		_IOW('T', 43, struct termios2)
 #define TCSETSW2	_IOW('T', 44, struct termios2)
 #define TCSETSF2	_IOW('T', 45, struct termios2)
+#define TIOCGRS485	_IOR('T', 46, struct serial_rs485)
+#define TIOCSRS485	_IOWR('T', 47, struct serial_rs485)
 #define TIOCGPTN	_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
 #define TIOCGDEV	_IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */