powerpc: add ioctls for RS485 mode control of serial drivers

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.

---
 arch/powerpc/include/asm/ioctls.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

b/arch/powerpc/include/asm/ioctls.h
index 279a622..1842186 100644

@@ -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 */

1.5.6.3