diff options
Diffstat (limited to 'arch/mips/kernel/time.c')
-rw-r--r-- | arch/mips/kernel/time.c | 45 |
1 files changed, 14 insertions, 31 deletions
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index 628a8ba6da57..9bbbd9b327fc 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -49,24 +49,19 @@ * forward reference */ DEFINE_SPINLOCK(rtc_lock); +EXPORT_SYMBOL(rtc_lock); -/* - * By default we provide the null RTC ops - */ -static unsigned long null_rtc_get_time(void) +int __weak rtc_mips_set_time(unsigned long sec) { - return mktime(2000, 1, 1, 0, 0, 0); + return 0; } +EXPORT_SYMBOL(rtc_mips_set_time); -static int null_rtc_set_time(unsigned long sec) +int __weak rtc_mips_set_mmss(unsigned long nowtime) { - return 0; + return rtc_mips_set_time(nowtime); } -unsigned long (*rtc_mips_get_time)(void) = null_rtc_get_time; -int (*rtc_mips_set_time)(unsigned long) = null_rtc_set_time; -int (*rtc_mips_set_mmss)(unsigned long); - int update_persistent_clock(struct timespec now) { return rtc_mips_set_mmss(now.tv_sec); @@ -247,21 +242,18 @@ asmlinkage void ll_local_timer_interrupt(int irq) /* * time_init() - it does the following things. * - * 1) board_time_init() - + * 1) plat_time_init() - * a) (optional) set up RTC routines, * b) (optional) calibrate and set the mips_hpt_frequency * (only needed if you intended to use cpu counter as timer interrupt * source) - * 2) setup xtime based on rtc_mips_get_time(). - * 3) calculate a couple of cached variables for later usage - * 4) plat_timer_setup() - + * 2) calculate a couple of cached variables for later usage + * 3) plat_timer_setup() - * a) (optional) over-write any choices made above by time_init(). * b) machine specific code should setup the timer irqaction. * c) enable the timer interrupt */ -void (*board_time_init)(void); - unsigned int mips_hpt_frequency; static struct irqaction timer_irqaction = { @@ -341,19 +333,13 @@ static void __init init_mips_clocksource(void) clocksource_register(&clocksource_mips); } -void __init time_init(void) +void __init __weak plat_time_init(void) { - if (board_time_init) - board_time_init(); - - if (!rtc_mips_set_mmss) - rtc_mips_set_mmss = rtc_mips_set_time; - - xtime.tv_sec = rtc_mips_get_time(); - xtime.tv_nsec = 0; +} - set_normalized_timespec(&wall_to_monotonic, - -xtime.tv_sec, -xtime.tv_nsec); +void __init time_init(void) +{ + plat_time_init(); /* Choose appropriate high precision timer routines. */ if (!cpu_has_counter && !clocksource_mips.read) @@ -459,7 +445,4 @@ void to_tm(unsigned long tim, struct rtc_time *tm) tm->tm_wday = (gday + 4) % 7; /* 1970/1/1 was Thursday */ } -EXPORT_SYMBOL(rtc_lock); EXPORT_SYMBOL(to_tm); -EXPORT_SYMBOL(rtc_mips_set_time); -EXPORT_SYMBOL(rtc_mips_get_time); |