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Viewing changes to arch/arm/plat-versatile/clock.c

  • Committer: Bazaar Package Importer
  • Author(s): Mathieu Poirier
  • Date: 2011-02-18 09:43:31 UTC
  • Revision ID: james.westby@ubuntu.com-20110218094331-eyubsja4f9k0yhmq
Tags: 2.6.35-1.1
Initial release.

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arch/arm/plat-versatile/clock.c
 
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/*
 
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 *  linux/arch/arm/plat-versatile/clock.c
 
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 *
 
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 *  Copyright (C) 2004 ARM Limited.
 
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 *  Written by Deep Blue Solutions Limited.
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License version 2 as
 
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 * published by the Free Software Foundation.
 
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 */
 
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#include <linux/module.h>
 
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#include <linux/kernel.h>
 
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#include <linux/errno.h>
 
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#include <linux/clk.h>
 
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#include <linux/mutex.h>
 
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#include <asm/hardware/icst.h>
 
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#include <mach/clkdev.h>
 
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int clk_enable(struct clk *clk)
 
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{
 
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        return 0;
 
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}
 
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EXPORT_SYMBOL(clk_enable);
 
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void clk_disable(struct clk *clk)
 
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{
 
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}
 
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EXPORT_SYMBOL(clk_disable);
 
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unsigned long clk_get_rate(struct clk *clk)
 
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{
 
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        return clk->rate;
 
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}
 
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EXPORT_SYMBOL(clk_get_rate);
 
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long clk_round_rate(struct clk *clk, unsigned long rate)
 
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{
 
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        long ret = -EIO;
 
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        if (clk->ops && clk->ops->round)
 
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                ret = clk->ops->round(clk, rate);
 
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        return ret;
 
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}
 
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EXPORT_SYMBOL(clk_round_rate);
 
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int clk_set_rate(struct clk *clk, unsigned long rate)
 
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{
 
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        int ret = -EIO;
 
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        if (clk->ops && clk->ops->set)
 
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                ret = clk->ops->set(clk, rate);
 
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        return ret;
 
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}
 
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EXPORT_SYMBOL(clk_set_rate);
 
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long icst_clk_round(struct clk *clk, unsigned long rate)
 
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{
 
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        struct icst_vco vco;
 
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        vco = icst_hz_to_vco(clk->params, rate);
 
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        return icst_hz(clk->params, vco);
 
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}
 
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EXPORT_SYMBOL(icst_clk_round);
 
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int icst_clk_set(struct clk *clk, unsigned long rate)
 
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{
 
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        struct icst_vco vco;
 
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        vco = icst_hz_to_vco(clk->params, rate);
 
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        clk->rate = icst_hz(clk->params, vco);
 
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        clk->ops->setvco(clk, vco);
 
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        return 0;
 
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}
 
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EXPORT_SYMBOL(icst_clk_set);