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clockevents: Move the tick_notify() switch case to clockevents_notify()

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No need to call another function and have duplicated cases.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Link: http://lkml.kernel.org/r/20130425143436.235746557@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2013-04-25 20:31:48 +00:00
parent 7126cac426
commit 8c53daf63f
3 changed files with 35 additions and 48 deletions
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28
kernel/time/clockevents.c
View File

@ -404,10 +404,36 @@ void clockevents_notify(unsigned long reason, void *arg)
int cpu;
raw_spin_lock_irqsave(&clockevents_lock, flags);
tick_notify(reason, arg);
switch (reason) {
case CLOCK_EVT_NOTIFY_BROADCAST_ON:
case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
case CLOCK_EVT_NOTIFY_BROADCAST_FORCE:
tick_broadcast_on_off(reason, arg);
break;
case CLOCK_EVT_NOTIFY_BROADCAST_ENTER:
case CLOCK_EVT_NOTIFY_BROADCAST_EXIT:
tick_broadcast_oneshot_control(reason);
break;
case CLOCK_EVT_NOTIFY_CPU_DYING:
tick_handover_do_timer(arg);
break;
case CLOCK_EVT_NOTIFY_SUSPEND:
tick_suspend();
tick_suspend_broadcast();
break;
case CLOCK_EVT_NOTIFY_RESUME:
tick_resume();
break;
case CLOCK_EVT_NOTIFY_CPU_DEAD:
tick_shutdown_broadcast_oneshot(arg);
tick_shutdown_broadcast(arg);
tick_shutdown(arg);
/*
* Unregister the clock event devices which were
* released from the users in the notify chain.

50
kernel/time/tick-common.c
View File

@ -284,7 +284,7 @@ out_bc:
*
* Called with interrupts disabled.
*/
static void tick_handover_do_timer(int *cpup)
void tick_handover_do_timer(int *cpup)
{
if (*cpup == tick_do_timer_cpu) {
int cpu = cpumask_first(cpu_online_mask);
@ -301,7 +301,7 @@ static void tick_handover_do_timer(int *cpup)
* access the hardware device itself.
* We just set the mode and remove it from the lists.
*/
static void tick_shutdown(unsigned int *cpup)
void tick_shutdown(unsigned int *cpup)
{
struct tick_device *td = &per_cpu(tick_cpu_device, *cpup);
struct clock_event_device *dev = td->evtdev;
@ -319,14 +319,14 @@ static void tick_shutdown(unsigned int *cpup)
}
}
static void tick_suspend(void)
void tick_suspend(void)
{
struct tick_device *td = &__get_cpu_var(tick_cpu_device);
clockevents_shutdown(td->evtdev);
}
static void tick_resume(void)
void tick_resume(void)
{
struct tick_device *td = &__get_cpu_var(tick_cpu_device);
int broadcast = tick_resume_broadcast();
@ -341,48 +341,6 @@ static void tick_resume(void)
}
}
/*
* Called with clockevents_lock held and interrupts disabled
*/
void tick_notify(unsigned long reason, void *dev)
{
switch (reason) {
case CLOCK_EVT_NOTIFY_BROADCAST_ON:
case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
case CLOCK_EVT_NOTIFY_BROADCAST_FORCE:
tick_broadcast_on_off(reason, dev);
break;
case CLOCK_EVT_NOTIFY_BROADCAST_ENTER:
case CLOCK_EVT_NOTIFY_BROADCAST_EXIT:
tick_broadcast_oneshot_control(reason);
break;
case CLOCK_EVT_NOTIFY_CPU_DYING:
tick_handover_do_timer(dev);
break;
case CLOCK_EVT_NOTIFY_CPU_DEAD:
tick_shutdown_broadcast_oneshot(dev);
tick_shutdown_broadcast(dev);
tick_shutdown(dev);
break;
case CLOCK_EVT_NOTIFY_SUSPEND:
tick_suspend();
tick_suspend_broadcast();
break;
case CLOCK_EVT_NOTIFY_RESUME:
tick_resume();
break;
default:
break;
}
}
/**
* tick_init - initialize the tick control
*/

5
kernel/time/tick-internal.h
View File

@ -18,8 +18,11 @@ extern int tick_do_timer_cpu __read_mostly;
extern void tick_setup_periodic(struct clock_event_device *dev, int broadcast);
extern void tick_handle_periodic(struct clock_event_device *dev);
extern void tick_notify(unsigned long reason, void *dev);
extern void tick_check_new_device(struct clock_event_device *dev);
extern void tick_handover_do_timer(int *cpup);
extern void tick_shutdown(unsigned int *cpup);
extern void tick_suspend(void);
extern void tick_resume(void);
extern void clockevents_shutdown(struct clock_event_device *dev);