diff options
Diffstat (limited to 'arch/mips/kernel/genrtc.c')
| -rw-r--r-- | arch/mips/kernel/genrtc.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/kernel/genrtc.c b/arch/mips/kernel/genrtc.c new file mode 100644 index 00000000000..288bf51ad4e --- /dev/null +++ b/arch/mips/kernel/genrtc.c @@ -0,0 +1,64 @@ +/* + * 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 spinlock_t mips_rtc_lock = SPIN_LOCK_UNLOCKED; + +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; +} + |