3 files changed, 6 insertions, 0 deletions

diff --git a/arch/avr32/include/asm/ioctls.h b/arch/avr32/include/asm/ioctls.h
index 0cf2c0a4502b..e6ac0b661076 100644
--- a/arch/avr32/include/asm/ioctls.h
+++ b/arch/avr32/include/asm/ioctls.h
@@ -54,6 +54,9 @@
 #define TIOCGPTN        _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK      _IOW('T',0x31, int)  /* Lock/unlock Pty */
 
+#define TIOCGRS485      0x542E
+#define TIOCSRS485      0x542F
+
 #define FIONCLEX        0x5450
 #define FIOCLEX         0x5451
 #define FIOASYNC        0x5452
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
index c7f25bb1d068..61740201b311 100644
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -5,6 +5,7 @@
 #define __ASM_ARCH_BOARD_H
 
 #include <linux/types.h>
+#include <linux/serial.h>
 
 #define GPIO_PIN_NONE   (-1)
 
@@ -35,6 +36,7 @@ struct atmel_uart_data {
         short           use_dma_tx;     /* use transmit DMA? */
         short           use_dma_rx;     /* use receive DMA? */
         void __iomem    *regs;          /* virtual base address, if any */
+        struct serial_rs485     rs485;          /* rs485 settings */
 };
 void at32_map_usart(unsigned int hw_id, unsigned int line, int flags);
 struct platform_device *at32_add_device_usart(unsigned int id);
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index eed3c2d8dd1c..a182def7007d 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -41,6 +41,7 @@
 #include <linux/uaccess.h>
 
 #include <asm/io.h>
+#include <asm/ioctls.h>
 
 #include <asm/mach/serial_at91.h>
 #include <mach/board.h>