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powerpc: Add ioctls for RS485 mode control of serial drivers

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These ioctls take a struct serial_rs485
(see linux/serial.h) as argument. They are already available
on x86. This patch adds them for the powerpc architecture.

Signed-off-by: Matthias Fuchs <mfuchs@ma-fu.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Matthias Fuchs 2008-12-30 00:59:38 +00:00 committed by Benjamin Herrenschmidt
parent 16124f10df
commit d50701781a
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/include/asm/ioctls.h
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@ -89,6 +89,8 @@
#define TIOCSBRK 0x5427 /* BSD compatibility */
#define TIOCCBRK 0x5428 /* BSD compatibility */
#define TIOCGSID 0x5429 /* Return the session ID of FD */
#define TIOCGRS485 0x542e
#define TIOCSRS485 0x542f
#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */