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Upgrade kernel to 2.6.9-rc3 and kdb to 4.4
Merge of 2.6.x-xfs-melb:linux:19628a by kenmcd.

/*
 *  linux/drivers/char/8250.h
 *
 *  Driver for 8250/16550-type serial ports
 *
 *  Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
 *
 *  Copyright (C) 2001 Russell King.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 *  $Id: 8250.h,v 1.8 2002/07/21 21:32:30 rmk Exp $
 */

#include <linux/config.h>

void serial8250_get_irq_map(unsigned int *map);
void serial8250_suspend_port(int line);
void serial8250_resume_port(int line);

struct old_serial_port {
	unsigned int uart;
	unsigned int baud_base;
	unsigned int port;
	unsigned int irq;
	unsigned int flags;
	unsigned char hub6;
	unsigned char io_type;
	unsigned char *iomem_base;
	unsigned short iomem_reg_shift;
};

/*
 * This replaces serial_uart_config in include/linux/serial.h
 */
struct serial8250_config {
	const char	*name;
	unsigned int	fifo_size;
	unsigned int	tx_loadsz;
	unsigned int	flags;
};

#define UART_CAP_FIFO	(1 << 8)	/* UART has FIFO */
#define UART_CAP_EFR	(1 << 9)	/* UART has EFR */
#define UART_CAP_SLEEP	(1 << 10)	/* UART has IER sleep */

#undef SERIAL_DEBUG_PCI

#if defined(__i386__) && (defined(CONFIG_M386) || defined(CONFIG_M486))
#define SERIAL_INLINE
#endif
  
#ifdef SERIAL_INLINE
#define _INLINE_ inline
#else
#define _INLINE_
#endif

#define PROBE_RSA	(1 << 0)
#define PROBE_ANY	(~0)

#define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)

#ifdef CONFIG_SERIAL_8250_SHARE_IRQ
#define SERIAL8250_SHARE_IRQS 1
#else
#define SERIAL8250_SHARE_IRQS 0
#endif