diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index d4d2a78..fb46aba 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -22,6 +22,7 @@
 	void __iomem	*membase;	/* ioremap cookie or NULL */
 	resource_size_t	mapbase;	/* resource base */
 	unsigned int	irq;		/* interrupt number */
+	unsigned long	irqflags;	/* request_irq flags */
 	unsigned int	uartclk;	/* UART clock rate */
 	void            *private_data;
 	unsigned char	regshift;	/* register shift */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 23d2fb0..3cd255f 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -265,6 +265,7 @@
 	unsigned int		(*serial_in)(struct uart_port *, int);
 	void			(*serial_out)(struct uart_port *, int, int);
 	unsigned int		irq;			/* irq number */
+	unsigned long		irqflags;		/* irq flags  */
 	unsigned int		uartclk;		/* base uart clock */
 	unsigned int		fifosize;		/* tx fifo size */
 	unsigned char		x_char;			/* xon/xoff char */