/* *  linux/arch/arm/mach-aaec2000/clock.c * *  Copyright (C) 2005 Nicolas Bellido Y Ortega * *  Based on linux/arch/arm/mach-integrator/clock.c * * 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/module.h>#include <linux/kernel.h>#include <linux/list.h>#include <linux/errno.h>#include <linux/err.h>#include <linux/string.h>#include <asm/semaphore.h>#include <asm/hardware/clock.h>#include "clock.h"static LIST_HEAD(clocks);static DECLARE_MUTEX(clocks_sem);struct clk *clk_get(struct device *dev, const char *id){	struct clk *p, *clk = ERR_PTR(-ENOENT);	down(&clocks_sem);	list_for_each_entry(p, &clocks, node) {		if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {			clk = p;			break;		}	}	up(&clocks_sem);	return clk;}EXPORT_SYMBOL(clk_get);void clk_put(struct clk *clk){	module_put(clk->owner);}EXPORT_SYMBOL(clk_put);int clk_enable(struct clk *clk){	return 0;}EXPORT_SYMBOL(clk_enable);void clk_disable(struct clk *clk){}EXPORT_SYMBOL(clk_disable);int clk_use(struct clk *clk){	return 0;}EXPORT_SYMBOL(clk_use);void clk_unuse(struct clk *clk){}EXPORT_SYMBOL(clk_unuse);unsigned long clk_get_rate(struct clk *clk){	return clk->rate;}EXPORT_SYMBOL(clk_get_rate);long clk_round_rate(struct clk *clk, unsigned long rate){	return rate;}EXPORT_SYMBOL(clk_round_rate);int clk_set_rate(struct clk *clk, unsigned long rate){	return 0;}EXPORT_SYMBOL(clk_set_rate);int clk_register(struct clk *clk){	down(&clocks_sem);	list_add(&clk->node, &clocks);	up(&clocks_sem);	return 0;}EXPORT_SYMBOL(clk_register);void clk_unregister(struct clk *clk){	down(&clocks_sem);	list_del(&clk->node);	up(&clocks_sem);}EXPORT_SYMBOL(clk_unregister);static int __init clk_init(void){	return 0;}arch_initcall(clk_init);