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/*
* A glue layer that provides RTC read/write to drivers/char/genrtc.c driver
* based on MIPS internal RTC routines. It does take care locking
* issues so that we are SMP/Preemption safe.
*
* Copyright (C) 2004 MontaVista Software Inc.
* Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
*
* Please read the COPYING file for all license details.
*/
#include <linux/spinlock.h>
#include <asm/rtc.h>
#include <asm/time.h>
static DEFINE_SPINLOCK(mips_rtc_lock);
unsigned int get_rtc_time(struct rtc_time *time)
{
unsigned long nowtime;
spin_lock(&mips_rtc_lock);
nowtime = rtc_get_time();
to_tm(nowtime, time);
time->tm_year -= 1900;
spin_unlock(&mips_rtc_lock);
return RTC_24H;
}
int set_rtc_time(struct rtc_time *time)
{
unsigned long nowtime;
int ret;
spin_lock(&mips_rtc_lock);
nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
time->tm_mday, time->tm_hour, time->tm_min,
time->tm_sec);
ret = rtc_set_time(nowtime);
spin_unlock(&mips_rtc_lock);
return ret;
}
unsigned int get_rtc_ss(void)
{
struct rtc_time h;
get_rtc_time(&h);
return h.tm_sec;
}
int get_rtc_pll(struct rtc_pll_info *pll)
{
return -EINVAL;
}
int set_rtc_pll(struct rtc_pll_info *pll)
{
return -EINVAL;
}
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