diff options
-rw-r--r-- | include/linux/clockchips.h | 4 | ||||
-rw-r--r-- | kernel/time/tick-broadcast.c | 17 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 8a7096fcb01e..e1089aa7816d 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h | |||
@@ -161,6 +161,10 @@ clockevents_calc_mult_shift(struct clock_event_device *ce, u32 freq, u32 minsec) | |||
161 | extern void clockevents_suspend(void); | 161 | extern void clockevents_suspend(void); |
162 | extern void clockevents_resume(void); | 162 | extern void clockevents_resume(void); |
163 | 163 | ||
164 | #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST | ||
165 | extern int tick_receive_broadcast(void); | ||
166 | #endif | ||
167 | |||
164 | #ifdef CONFIG_GENERIC_CLOCKEVENTS | 168 | #ifdef CONFIG_GENERIC_CLOCKEVENTS |
165 | extern void clockevents_notify(unsigned long reason, void *arg); | 169 | extern void clockevents_notify(unsigned long reason, void *arg); |
166 | #else | 170 | #else |
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index f113755695e2..7cc81c57eb31 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c | |||
@@ -125,6 +125,23 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu) | |||
125 | return ret; | 125 | return ret; |
126 | } | 126 | } |
127 | 127 | ||
128 | #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST | ||
129 | int tick_receive_broadcast(void) | ||
130 | { | ||
131 | struct tick_device *td = this_cpu_ptr(&tick_cpu_device); | ||
132 | struct clock_event_device *evt = td->evtdev; | ||
133 | |||
134 | if (!evt) | ||
135 | return -ENODEV; | ||
136 | |||
137 | if (!evt->event_handler) | ||
138 | return -EINVAL; | ||
139 | |||
140 | evt->event_handler(evt); | ||
141 | return 0; | ||
142 | } | ||
143 | #endif | ||
144 | |||
128 | /* | 145 | /* |
129 | * Broadcast the event to the cpus, which are set in the mask (mangled). | 146 | * Broadcast the event to the cpus, which are set in the mask (mangled). |
130 | */ | 147 | */ |