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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 11:06:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 11:06:41 -0800
commit5943a268002fce97885f2ca08827ff1b0312068c (patch)
tree5e304e79b68263e799224ebb1a08ead474ab299b /include
parent42776163e13a56ea3096edff7a5df95408e80eb4 (diff)
parent96c8f06a0fb359a9a89701a7afab6d837e466ab0 (diff)
Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rtc: Namespace fixup RTC: Remove UIE emulation RTC: Rework RTC code to use timerqueue for events Fix up trivial conflict in drivers/rtc/rtc-dev.c
Diffstat (limited to 'include')
-rw-r--r--include/linux/rtc.h51
1 files changed, 36 insertions, 15 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 14dbc83ded20..3c995b4d742c 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -107,12 +107,17 @@ extern int rtc_year_days(unsigned int day, unsigned int month, unsigned int year
extern int rtc_valid_tm(struct rtc_time *tm);
extern int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time);
extern void rtc_time_to_tm(unsigned long time, struct rtc_time *tm);
+ktime_t rtc_tm_to_ktime(struct rtc_time tm);
+struct rtc_time rtc_ktime_to_tm(ktime_t kt);
+
#include <linux/device.h>
#include <linux/seq_file.h>
#include <linux/cdev.h>
#include <linux/poll.h>
#include <linux/mutex.h>
+#include <linux/timerqueue.h>
+#include <linux/workqueue.h>
extern struct class *rtc_class;
@@ -151,7 +156,19 @@ struct rtc_class_ops {
};
#define RTC_DEVICE_NAME_SIZE 20
-struct rtc_task;
+typedef struct rtc_task {
+ void (*func)(void *private_data);
+ void *private_data;
+} rtc_task_t;
+
+
+struct rtc_timer {
+ struct rtc_task task;
+ struct timerqueue_node node;
+ ktime_t period;
+ int enabled;
+};
+
/* flags */
#define RTC_DEV_BUSY 0
@@ -179,16 +196,13 @@ struct rtc_device
spinlock_t irq_task_lock;
int irq_freq;
int max_user_freq;
-#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
- struct work_struct uie_task;
- struct timer_list uie_timer;
- /* Those fields are protected by rtc->irq_lock */
- unsigned int oldsecs;
- unsigned int uie_irq_active:1;
- unsigned int stop_uie_polling:1;
- unsigned int uie_task_active:1;
- unsigned int uie_timer_active:1;
-#endif
+
+ struct timerqueue_head timerqueue;
+ struct rtc_timer aie_timer;
+ struct rtc_timer uie_rtctimer;
+ struct hrtimer pie_timer; /* sub second exp, so needs hrtimer */
+ int pie_enabled;
+ struct work_struct irqwork;
};
#define to_rtc_device(d) container_of(d, struct rtc_device, dev)
@@ -224,15 +238,22 @@ extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled);
extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc,
unsigned int enabled);
-typedef struct rtc_task {
- void (*func)(void *private_data);
- void *private_data;
-} rtc_task_t;
+void rtc_aie_update_irq(void *private);
+void rtc_uie_update_irq(void *private);
+enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer);
int rtc_register(rtc_task_t *task);
int rtc_unregister(rtc_task_t *task);
int rtc_control(rtc_task_t *t, unsigned int cmd, unsigned long arg);
+void rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer);
+void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer);
+void rtc_timer_init(struct rtc_timer *timer, void (*f)(void* p), void* data);
+int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer* timer,
+ ktime_t expires, ktime_t period);
+int rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer* timer);
+void rtc_timer_do_work(struct work_struct *work);
+
static inline bool is_leap_year(unsigned int year)
{
return (!(year % 4) && (year % 100)) || !(year % 400);