diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86_64/kernel/time.c | 71 |
1 files changed, 32 insertions, 39 deletions
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 25bc58aac2a..7b56aa5b6c3 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -251,8 +251,8 @@ static void set_rtc_mmss(unsigned long nowtime) #endif { - BIN_TO_BCD(real_seconds); - BIN_TO_BCD(real_minutes); + BIN_TO_BCD(real_seconds); + BIN_TO_BCD(real_minutes); CMOS_WRITE(real_seconds, RTC_SECONDS); CMOS_WRITE(real_minutes, RTC_MINUTES); } @@ -289,12 +289,11 @@ unsigned long long monotonic_clock(void) last_offset = vxtime.last; base = monotonic_base; this_offset = hpet_readl(HPET_COUNTER); - } while (read_seqretry(&xtime_lock, seq)); offset = (this_offset - last_offset); offset *=(NSEC_PER_SEC/HZ)/hpet_tick; return base + offset; - }else{ + } else { do { seq = read_seqbegin(&xtime_lock); @@ -305,8 +304,6 @@ unsigned long long monotonic_clock(void) offset = (this_offset - last_offset)*1000/cpu_khz; return base + offset; } - - } EXPORT_SYMBOL(monotonic_clock); @@ -530,36 +527,35 @@ unsigned long get_cmos_time(void) timeout--; } -/* - * Here we are safe to assume the registers won't change for a whole second, so - * we just go ahead and read them. - */ - - sec = CMOS_READ(RTC_SECONDS); - min = CMOS_READ(RTC_MINUTES); - hour = CMOS_READ(RTC_HOURS); - day = CMOS_READ(RTC_DAY_OF_MONTH); - mon = CMOS_READ(RTC_MONTH); - year = CMOS_READ(RTC_YEAR); + /* + * Here we are safe to assume the registers won't change for a whole + * second, so we just go ahead and read them. + */ + sec = CMOS_READ(RTC_SECONDS); + min = CMOS_READ(RTC_MINUTES); + hour = CMOS_READ(RTC_HOURS); + day = CMOS_READ(RTC_DAY_OF_MONTH); + mon = CMOS_READ(RTC_MONTH); + year = CMOS_READ(RTC_YEAR); spin_unlock_irqrestore(&rtc_lock, flags); -/* - * We know that x86-64 always uses BCD format, no need to check the config - * register. - */ + /* + * We know that x86-64 always uses BCD format, no need to check the + * config register. + */ - BCD_TO_BIN(sec); - BCD_TO_BIN(min); - BCD_TO_BIN(hour); - BCD_TO_BIN(day); - BCD_TO_BIN(mon); - BCD_TO_BIN(year); + BCD_TO_BIN(sec); + BCD_TO_BIN(min); + BCD_TO_BIN(hour); + BCD_TO_BIN(day); + BCD_TO_BIN(mon); + BCD_TO_BIN(year); -/* - * x86-64 systems only exists since 2002. - * This will work up to Dec 31, 2100 - */ + /* + * x86-64 systems only exists since 2002. + * This will work up to Dec 31, 2100 + */ year += 2000; return mktime(year, mon, day, hour, min, sec); @@ -737,7 +733,7 @@ static __init int late_hpet_init(void) unsigned int ntimer; if (!vxtime.hpet_address) - return -1; + return -1; memset(&hd, 0, sizeof (hd)); @@ -871,8 +867,6 @@ static struct irqaction irq0 = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL }; -extern void __init config_acpi_tables(void); - void __init time_init(void) { char *timename; @@ -992,6 +986,10 @@ __setup("report_lost_ticks", time_setup); static long clock_cmos_diff; static unsigned long sleep_start; +/* + * sysfs support for the timer. + */ + static int timer_suspend(struct sys_device *dev, pm_message_t state) { /* @@ -1034,7 +1032,6 @@ static struct sysdev_class timer_sysclass = { set_kset_name("timer"), }; - /* XXX this driverfs stuff should probably go elsewhere later -john */ static struct sys_device device_timer = { .id = 0, @@ -1276,8 +1273,6 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs) } #endif - - static int __init nohpet_setup(char *s) { nohpet = 1; @@ -1294,5 +1289,3 @@ static int __init notsc_setup(char *s) } __setup("notsc", notsc_setup); - - |