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Date: Mon, 27 May 2013 02:54:00 -0700
From: tip-bot for Thomas Gleixner <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, john.stultz@...aro.org,
hpa@...or.com, mingo@...nel.org, tglx@...utronix.de,
magnus.damm@...il.com
Subject: [tip:timers/core] clockevents: Move the tick_notify()
switch case to clockevents_notify()
Commit-ID: 8c53daf63f56791ed47fc585206ef3049489612f
Gitweb: http://git.kernel.org/tip/8c53daf63f56791ed47fc585206ef3049489612f
Author: Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Thu, 25 Apr 2013 20:31:48 +0000
Committer: Thomas Gleixner <tglx@...utronix.de>
CommitDate: Thu, 16 May 2013 11:09:16 +0200
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@...utronix.de>
Cc: John Stultz <john.stultz@...aro.org>
Cc: Magnus Damm <magnus.damm@...il.com>
Link: http://lkml.kernel.org/r/20130425143436.235746557@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.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(-)
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index dd70b48..0e3a844 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -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.
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 170a4bd..84c7cfc 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -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
*/
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 60742fe..06bfc88 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -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);
--
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