diff options
Diffstat (limited to 'arch/powerpc/kernel/time.c')
-rw-r--r-- | arch/powerpc/kernel/time.c | 51 |
1 files changed, 43 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 7a3c3f791ad..85b9244a098 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -117,8 +117,6 @@ unsigned tb_to_ns_shift; struct gettimeofday_struct do_gtod; -extern unsigned long wall_jiffies; - extern struct timezone sys_tz; static long timezone_offset; @@ -693,7 +691,7 @@ void timer_interrupt(struct pt_regs * regs) tb_next_jiffy = tb_last_jiffy + tb_ticks_per_jiffy; if (per_cpu(last_jiffy, cpu) >= tb_next_jiffy) { tb_last_jiffy = tb_next_jiffy; - do_timer(regs); + do_timer(1); timer_recalc_offset(tb_last_jiffy); timer_check_rtc(); } @@ -816,11 +814,6 @@ int do_settimeofday(struct timespec *tv) /* * Subtract off the number of nanoseconds since the * beginning of the last tick. - * Note that since we don't increment jiffies_64 anywhere other - * than in do_timer (since we don't have a lost tick problem), - * wall_jiffies will always be the same as jiffies, - * and therefore the (jiffies - wall_jiffies) computation - * has been removed. */ tb_delta = tb_ticks_since(tb_last_jiffy); tb_delta = mulhdu(tb_delta, do_gtod.varp->tb_to_xs); /* in xsec */ @@ -1048,6 +1041,48 @@ void __init time_init(void) set_dec(tb_ticks_per_jiffy); } +#ifdef CONFIG_RTC_CLASS +static int set_rtc_class_time(struct rtc_time *tm) +{ + int err; + struct class_device *class_dev = + rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); + + if (class_dev == NULL) + return -ENODEV; + + err = rtc_set_time(class_dev, tm); + + rtc_class_close(class_dev); + + return 0; +} + +static void get_rtc_class_time(struct rtc_time *tm) +{ + int err; + struct class_device *class_dev = + rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); + + if (class_dev == NULL) + return; + + err = rtc_read_time(class_dev, tm); + + rtc_class_close(class_dev); + + return; +} + +int __init rtc_class_hookup(void) +{ + ppc_md.get_rtc_time = get_rtc_class_time; + ppc_md.set_rtc_time = set_rtc_class_time; + + return 0; +} +#endif /* CONFIG_RTC_CLASS */ + #define FEBRUARY 2 #define STARTOFTIME 1970 |