diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index ce587c03efc38df9977344844c23e4a60043208d..047a7ba6796ad1f3b96e1f3eb9e3bab3a167a01b 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -92,6 +92,18 @@ struct serial8250_config {
 #define SERIAL8250_SHARE_IRQS 0
 #endif
 
+#define SERIAL8250_PORT_FLAGS(_base, _irq, _flags)		\
+	{							\
+		.iobase		= _base,			\
+		.irq		= _irq,				\
+		.uartclk	= 1843200,			\
+		.iotype		= UPIO_PORT,			\
+		.flags		= UPF_BOOT_AUTOCONF | (_flags),	\
+	}
+
+#define SERIAL8250_PORT(_base, _irq) SERIAL8250_PORT_FLAGS(_base, _irq, 0)
+
+
 static inline int serial_in(struct uart_8250_port *up, int offset)
 {
 	return up->port.serial_in(&up->port, offset);
diff --git a/drivers/tty/serial/8250/8250_accent.c b/drivers/tty/serial/8250/8250_accent.c
index 34b51c651192e8d81a6c9c9453c4a206a3405a20..522aeae05192c11ada5310e0d9628ae3fc3da0c7 100644
--- a/drivers/tty/serial/8250/8250_accent.c
+++ b/drivers/tty/serial/8250/8250_accent.c
@@ -10,18 +10,11 @@
 #include <linux/init.h>
 #include <linux/serial_8250.h>
 
-#define PORT(_base,_irq)				\
-	{						\
-		.iobase		= _base,		\
-		.irq		= _irq,			\
-		.uartclk	= 1843200,		\
-		.iotype		= UPIO_PORT,		\
-		.flags		= UPF_BOOT_AUTOCONF,	\
-	}
+#include "8250.h"
 
 static struct plat_serial8250_port accent_data[] = {
-	PORT(0x330, 4),
-	PORT(0x338, 4),
+	SERIAL8250_PORT(0x330, 4),
+	SERIAL8250_PORT(0x338, 4),
 	{ },
 };
 
diff --git a/drivers/tty/serial/8250/8250_boca.c b/drivers/tty/serial/8250/8250_boca.c
index d125dc107985b28f59bb302a636a3e3aa3cc2028..a63b5998e383059cb5261cd7606ceae8e6bfec34 100644
--- a/drivers/tty/serial/8250/8250_boca.c
+++ b/drivers/tty/serial/8250/8250_boca.c
@@ -10,32 +10,25 @@
 #include <linux/init.h>
 #include <linux/serial_8250.h>
 
-#define PORT(_base,_irq)				\
-	{						\
-		.iobase		= _base,		\
-		.irq		= _irq,			\
-		.uartclk	= 1843200,		\
-		.iotype		= UPIO_PORT,		\
-		.flags		= UPF_BOOT_AUTOCONF,	\
-	}
+#include "8250.h"
 
 static struct plat_serial8250_port boca_data[] = {
-	PORT(0x100, 12),
-	PORT(0x108, 12),
-	PORT(0x110, 12),
-	PORT(0x118, 12),
-	PORT(0x120, 12),
-	PORT(0x128, 12),
-	PORT(0x130, 12),
-	PORT(0x138, 12),
-	PORT(0x140, 12),
-	PORT(0x148, 12),
-	PORT(0x150, 12),
-	PORT(0x158, 12),
-	PORT(0x160, 12),
-	PORT(0x168, 12),
-	PORT(0x170, 12),
-	PORT(0x178, 12),
+	SERIAL8250_PORT(0x100, 12),
+	SERIAL8250_PORT(0x108, 12),
+	SERIAL8250_PORT(0x110, 12),
+	SERIAL8250_PORT(0x118, 12),
+	SERIAL8250_PORT(0x120, 12),
+	SERIAL8250_PORT(0x128, 12),
+	SERIAL8250_PORT(0x130, 12),
+	SERIAL8250_PORT(0x138, 12),
+	SERIAL8250_PORT(0x140, 12),
+	SERIAL8250_PORT(0x148, 12),
+	SERIAL8250_PORT(0x150, 12),
+	SERIAL8250_PORT(0x158, 12),
+	SERIAL8250_PORT(0x160, 12),
+	SERIAL8250_PORT(0x168, 12),
+	SERIAL8250_PORT(0x170, 12),
+	SERIAL8250_PORT(0x178, 12),
 	{ },
 };
 
diff --git a/drivers/tty/serial/8250/8250_exar_st16c554.c b/drivers/tty/serial/8250/8250_exar_st16c554.c
index bf53aabf9b5e34919c9967f6d7e94106b04738b1..3a7cb8262bb9fa2701051d19f89a3354dd3e2e25 100644
--- a/drivers/tty/serial/8250/8250_exar_st16c554.c
+++ b/drivers/tty/serial/8250/8250_exar_st16c554.c
@@ -13,20 +13,13 @@
 #include <linux/init.h>
 #include <linux/serial_8250.h>
 
-#define PORT(_base,_irq)				\
-	{						\
-		.iobase		= _base,		\
-		.irq		= _irq,			\
-		.uartclk	= 1843200,		\
-		.iotype		= UPIO_PORT,		\
-		.flags		= UPF_BOOT_AUTOCONF,	\
-	}
+#include "8250.h"
 
 static struct plat_serial8250_port exar_data[] = {
-	PORT(0x100, 5),
-	PORT(0x108, 5),
-	PORT(0x110, 5),
-	PORT(0x118, 5),
+	SERIAL8250_PORT(0x100, 5),
+	SERIAL8250_PORT(0x108, 5),
+	SERIAL8250_PORT(0x110, 5),
+	SERIAL8250_PORT(0x118, 5),
 	{ },
 };
 
diff --git a/drivers/tty/serial/8250/8250_fourport.c b/drivers/tty/serial/8250/8250_fourport.c
index be1582609626b433739f15879c8697fe97e9b07d..4045180a8cfca0536fb46cfa6f1c37f301fabf1a 100644
--- a/drivers/tty/serial/8250/8250_fourport.c
+++ b/drivers/tty/serial/8250/8250_fourport.c
@@ -10,24 +10,20 @@
 #include <linux/init.h>
 #include <linux/serial_8250.h>
 
-#define PORT(_base,_irq)						\
-	{								\
-		.iobase		= _base,				\
-		.irq		= _irq,					\
-		.uartclk	= 1843200,				\
-		.iotype		= UPIO_PORT,				\
-		.flags		= UPF_BOOT_AUTOCONF | UPF_FOURPORT,	\
-	}
+#include "8250.h"
+
+#define SERIAL8250_FOURPORT(_base, _irq) \
+	SERIAL8250_PORT_FLAGS(_base, _irq, UPF_FOURPORT)
 
 static struct plat_serial8250_port fourport_data[] = {
-	PORT(0x1a0, 9),
-	PORT(0x1a8, 9),
-	PORT(0x1b0, 9),
-	PORT(0x1b8, 9),
-	PORT(0x2a0, 5),
-	PORT(0x2a8, 5),
-	PORT(0x2b0, 5),
-	PORT(0x2b8, 5),
+	SERIAL8250_FOURPORT(0x1a0, 9),
+	SERIAL8250_FOURPORT(0x1a8, 9),
+	SERIAL8250_FOURPORT(0x1b0, 9),
+	SERIAL8250_FOURPORT(0x1b8, 9),
+	SERIAL8250_FOURPORT(0x2a0, 5),
+	SERIAL8250_FOURPORT(0x2a8, 5),
+	SERIAL8250_FOURPORT(0x2b0, 5),
+	SERIAL8250_FOURPORT(0x2b8, 5),
 	{ },
 };