mirror of
https://github.com/torvalds/linux
synced 2024-09-21 11:38:48 +00:00
a9f6a0dd54
This converts the final 20 DEFINE_SPINLOCK holdouts. (another 580 places are already using DEFINE_SPINLOCK). Build tested on x86. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
65 lines
1.2 KiB
C
65 lines
1.2 KiB
C
/*
|
|
* 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;
|
|
}
|
|
|