clock-pxa2xx.c
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/*
* linux/arch/arm/mach-pxa/clock-pxa2xx.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/init.h>
#include <linux/io.h>
#include <linux/syscore_ops.h>
#include <mach/pxa2xx-regs.h>
#include "clock.h"
void clk_pxa2xx_cken_enable(struct clk *clk)
{
CKEN |= 1 << clk->cken;
}
void clk_pxa2xx_cken_disable(struct clk *clk)
{
CKEN &= ~(1 << clk->cken);
}
const struct clkops clk_pxa2xx_cken_ops = {
.enable = clk_pxa2xx_cken_enable,
.disable = clk_pxa2xx_cken_disable,
};
#ifdef CONFIG_PM
static uint32_t saved_cken;
static int pxa2xx_clock_suspend(void)
{
saved_cken = CKEN;
return 0;
}
static void pxa2xx_clock_resume(void)
{
CKEN = saved_cken;
}
#else
#define pxa2xx_clock_suspend NULL
#define pxa2xx_clock_resume NULL
#endif
struct syscore_ops pxa2xx_clock_syscore_ops = {
.suspend = pxa2xx_clock_suspend,
.resume = pxa2xx_clock_resume,
};