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/*
* SH-Mobile Clock Framework
*
* Copyright (C) 2010 Magnus Damm
*
* Used together with arch/arm/common/clkdev.c and drivers/sh/clk.c.
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#ifdef CONFIG_COMMON_CLK
#include <linux/clk.h>
#include <linux/clkdev.h>
#include "clock.h"
void __init shmobile_clk_workaround(const struct clk_name *clks,
int nr_clks, bool enable)
{
const struct clk_name *clkn;
struct clk *clk;
unsigned int i;
for (i = 0; i < nr_clks; ++i) {
clkn = clks + i;
clk = clk_get(NULL, clkn->clk);
if (!IS_ERR(clk)) {
clk_register_clkdev(clk, clkn->con_id, clkn->dev_id);
if (enable)
clk_prepare_enable(clk);
clk_put(clk);
}
}
}
#else /* CONFIG_COMMON_CLK */
#include <linux/sh_clk.h>
#include <linux/export.h>
#include "clock.h"
#include "common.h"
unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk)
{
struct clk_ratio *p = clk->priv;
return clk->parent->rate / p->div * p->mul;
};
struct sh_clk_ops shmobile_fixed_ratio_clk_ops = {
.recalc = shmobile_fixed_ratio_clk_recalc,
};
int __init shmobile_clk_init(void)
{
/* Kick the child clocks.. */
recalculate_root_clocks();
/* Enable the necessary init clocks */
clk_enable_init_clocks();
return 0;
}
int __clk_get(struct clk *clk)
{
return 1;
}
EXPORT_SYMBOL(__clk_get);
void __clk_put(struct clk *clk)
{
}
EXPORT_SYMBOL(__clk_put);
#endif /* CONFIG_COMMON_CLK */
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