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Subject[patch 11/15] clockevents: Move the tick_notify() switch case to clockevents_notify()
No need to call another function and have duplicated cases.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/clockevents.c | 28 +++++++++++++++++++++++-
kernel/time/tick-common.c | 50 +++-----------------------------------------
kernel/time/tick-internal.h | 5 +++-
3 files changed, 35 insertions(+), 48 deletions(-)

Index: tip/kernel/time/clockevents.c
===================================================================
--- tip.orig/kernel/time/clockevents.c
+++ tip/kernel/time/clockevents.c
@@ -404,10 +404,36 @@ void clockevents_notify(unsigned long re
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.
Index: tip/kernel/time/tick-common.c
===================================================================
--- tip.orig/kernel/time/tick-common.c
+++ tip/kernel/time/tick-common.c
@@ -281,7 +281,7 @@ 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);
@@ -298,7 +298,7 @@ static void tick_handover_do_timer(int *
* 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;
@@ -316,14 +316,14 @@ static void tick_shutdown(unsigned int *
}
}

-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();
@@ -338,48 +338,6 @@ 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
*/
Index: tip/kernel/time/tick-internal.h
===================================================================
--- tip.orig/kernel/time/tick-internal.h
+++ tip/kernel/time/tick-internal.h
@@ -18,8 +18,11 @@ extern int tick_do_timer_cpu __read_most

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);




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