diff options
| -rw-r--r-- | drivers/rtc/interface.c | 6 | ||||
| -rw-r--r-- | drivers/rtc/rtc-m41t80.c | 9 | ||||
| -rw-r--r-- | include/linux/clocksource.h | 11 | ||||
| -rw-r--r-- | kernel/time/clocksource.c | 12 |
4 files changed, 32 insertions, 6 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index fa4d9f324189..3bcc7cfcaba7 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -73,6 +73,8 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) err = -EINVAL; mutex_unlock(&rtc->ops_lock); + /* A timer might have just expired */ + schedule_work(&rtc->irqwork); return err; } EXPORT_SYMBOL_GPL(rtc_set_time); @@ -112,6 +114,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs) err = -EINVAL; mutex_unlock(&rtc->ops_lock); + /* A timer might have just expired */ + schedule_work(&rtc->irqwork); return err; } @@ -403,6 +407,8 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node); } mutex_unlock(&rtc->ops_lock); + /* maybe that was in the past.*/ + schedule_work(&rtc->irqwork); return err; } EXPORT_SYMBOL_GPL(rtc_initialize_alarm); diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index eda128fc1d38..64aedd8cc095 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -357,10 +357,19 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t) static struct rtc_class_ops m41t80_rtc_ops = { .read_time = m41t80_rtc_read_time, .set_time = m41t80_rtc_set_time, + /* + * XXX - m41t80 alarm functionality is reported broken. + * until it is fixed, don't register alarm functions. + * .read_alarm = m41t80_rtc_read_alarm, .set_alarm = m41t80_rtc_set_alarm, + */ .proc = m41t80_rtc_proc, + /* + * See above comment on broken alarm + * .alarm_irq_enable = m41t80_rtc_alarm_irq_enable, + */ }; #if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE) diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index c86c940d1de3..081147da0564 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -71,7 +71,7 @@ struct timecounter { /** * cyclecounter_cyc2ns - converts cycle counter cycles to nanoseconds - * @tc: Pointer to cycle counter. + * @cc: Pointer to cycle counter. * @cycles: Cycles * * XXX - This could use some mult_lxl_ll() asm optimization. Same code @@ -114,7 +114,7 @@ extern u64 timecounter_read(struct timecounter *tc); * time base as values returned by * timecounter_read() * @tc: Pointer to time counter. - * @cycle: a value returned by tc->cc->read() + * @cycle_tstamp: a value returned by tc->cc->read() * * Cycle counts that are converted correctly as long as they * fall into the interval [-1/2 max cycle count, +1/2 max cycle count], @@ -156,11 +156,12 @@ extern u64 timecounter_cyc2time(struct timecounter *tc, * @mult: cycle to nanosecond multiplier * @shift: cycle to nanosecond divisor (power of two) * @max_idle_ns: max idle time permitted by the clocksource (nsecs) - * @maxadj maximum adjustment value to mult (~11%) + * @maxadj: maximum adjustment value to mult (~11%) * @flags: flags describing special properties * @archdata: arch-specific data * @suspend: suspend function for the clocksource, if necessary * @resume: resume function for the clocksource, if necessary + * @cycle_last: most recent cycle counter value seen by ::read() */ struct clocksource { /* @@ -187,6 +188,7 @@ struct clocksource { void (*suspend)(struct clocksource *cs); void (*resume)(struct clocksource *cs); + /* private: */ #ifdef CONFIG_CLOCKSOURCE_WATCHDOG /* Watchdog related data, used by the framework */ struct list_head wd_list; @@ -261,6 +263,9 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant) /** * clocksource_cyc2ns - converts clocksource cycles to nanoseconds + * @cycles: cycles + * @mult: cycle to nanosecond multiplier + * @shift: cycle to nanosecond divisor (power of two) * * Converts cycles to nanoseconds, using the given mult and shift. * diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index da2f760e780c..d3ad022136e5 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -647,7 +647,7 @@ static void clocksource_enqueue(struct clocksource *cs) /** * __clocksource_updatefreq_scale - Used update clocksource with new freq - * @t: clocksource to be registered + * @cs: clocksource to be registered * @scale: Scale factor multiplied against freq to get clocksource hz * @freq: clocksource frequency (cycles per second) divided by scale * @@ -699,7 +699,7 @@ EXPORT_SYMBOL_GPL(__clocksource_updatefreq_scale); /** * __clocksource_register_scale - Used to install new clocksources - * @t: clocksource to be registered + * @cs: clocksource to be registered * @scale: Scale factor multiplied against freq to get clocksource hz * @freq: clocksource frequency (cycles per second) divided by scale * @@ -727,7 +727,7 @@ EXPORT_SYMBOL_GPL(__clocksource_register_scale); /** * clocksource_register - Used to install new clocksources - * @t: clocksource to be registered + * @cs: clocksource to be registered * * Returns -EBUSY if registration fails, zero otherwise. */ @@ -761,6 +761,8 @@ static void __clocksource_change_rating(struct clocksource *cs, int rating) /** * clocksource_change_rating - Change the rating of a registered clocksource + * @cs: clocksource to be changed + * @rating: new rating */ void clocksource_change_rating(struct clocksource *cs, int rating) { @@ -772,6 +774,7 @@ EXPORT_SYMBOL(clocksource_change_rating); /** * clocksource_unregister - remove a registered clocksource + * @cs: clocksource to be unregistered */ void clocksource_unregister(struct clocksource *cs) { @@ -787,6 +790,7 @@ EXPORT_SYMBOL(clocksource_unregister); /** * sysfs_show_current_clocksources - sysfs interface for current clocksource * @dev: unused + * @attr: unused * @buf: char buffer to be filled with clocksource list * * Provides sysfs interface for listing current clocksource. @@ -807,6 +811,7 @@ sysfs_show_current_clocksources(struct sys_device *dev, /** * sysfs_override_clocksource - interface for manually overriding clocksource * @dev: unused + * @attr: unused * @buf: name of override clocksource * @count: length of buffer * @@ -842,6 +847,7 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev, /** * sysfs_show_available_clocksources - sysfs interface for listing clocksource * @dev: unused + * @attr: unused * @buf: char buffer to be filled with clocksource list * * Provides sysfs interface for listing registered clocksources |