diff options
Diffstat (limited to 'kernel/time/clockevents.c')
-rw-r--r-- | kernel/time/clockevents.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index d13be216a790..1ad6dd461119 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c | |||
@@ -18,6 +18,7 @@ | |||
18 | #include <linux/notifier.h> | 18 | #include <linux/notifier.h> |
19 | #include <linux/smp.h> | 19 | #include <linux/smp.h> |
20 | #include <linux/sysdev.h> | 20 | #include <linux/sysdev.h> |
21 | #include <linux/tick.h> | ||
21 | 22 | ||
22 | /* The registered clock event devices */ | 23 | /* The registered clock event devices */ |
23 | static LIST_HEAD(clockevent_devices); | 24 | static LIST_HEAD(clockevent_devices); |
@@ -54,6 +55,7 @@ unsigned long clockevent_delta2ns(unsigned long latch, | |||
54 | 55 | ||
55 | return (unsigned long) clc; | 56 | return (unsigned long) clc; |
56 | } | 57 | } |
58 | EXPORT_SYMBOL_GPL(clockevent_delta2ns); | ||
57 | 59 | ||
58 | /** | 60 | /** |
59 | * clockevents_set_mode - set the operating mode of a clock event device | 61 | * clockevents_set_mode - set the operating mode of a clock event device |
@@ -187,6 +189,7 @@ void clockevents_register_device(struct clock_event_device *dev) | |||
187 | 189 | ||
188 | spin_unlock(&clockevents_lock); | 190 | spin_unlock(&clockevents_lock); |
189 | } | 191 | } |
192 | EXPORT_SYMBOL_GPL(clockevents_register_device); | ||
190 | 193 | ||
191 | /* | 194 | /* |
192 | * Noop handler when we shut down an event device | 195 | * Noop handler when we shut down an event device |
@@ -251,4 +254,15 @@ void clockevents_notify(unsigned long reason, void *arg) | |||
251 | spin_unlock(&clockevents_lock); | 254 | spin_unlock(&clockevents_lock); |
252 | } | 255 | } |
253 | EXPORT_SYMBOL_GPL(clockevents_notify); | 256 | EXPORT_SYMBOL_GPL(clockevents_notify); |
257 | |||
258 | ktime_t clockevents_get_next_event(int cpu) | ||
259 | { | ||
260 | struct tick_device *td; | ||
261 | struct clock_event_device *dev; | ||
262 | |||
263 | td = &per_cpu(tick_cpu_device, cpu); | ||
264 | dev = td->evtdev; | ||
265 | |||
266 | return dev->next_event; | ||
267 | } | ||
254 | #endif | 268 | #endif |