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Merge up to 2.6.21-rc4
Merge of 2.6.x-xfs-melb:linux:28276b by kenmcd.

/*
 * Clock management for AT32AP CPUs
 *
 * Copyright (C) 2006 Atmel Corporation
 *
 * Based on arch/arm/mach-at91/clock.c
 *   Copyright (C) 2005 David Brownell
 *   Copyright (C) 2005 Ivan Kokshaysky
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/clk.h>

struct clk {
	const char	*name;		/* Clock name/function */
	struct device	*dev;		/* Device the clock is used by */
	struct clk	*parent;	/* Parent clock, if any */
	void		(*mode)(struct clk *clk, int enabled);
	unsigned long	(*get_rate)(struct clk *clk);
	long		(*set_rate)(struct clk *clk, unsigned long rate,
				    int apply);
	int		(*set_parent)(struct clk *clk, struct clk *parent);
	u16		users;		/* Enabled if non-zero */
	u16		index;		/* Sibling index */
};

extern struct clk *at32_clock_list[];
extern unsigned int at32_nr_clocks;