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cpuidle: Use explicit broadcast control function 

Replace the clockevents_notify() call with an explicit function call.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/2106401.cYdJzzA6Ic@vostro.rjw.lan
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Thomas Gleixner 2015-04-03 02:02:18 +02:00 committed by Ingo Molnar
parent ee41eebf9c
commit ee7a1438b5
1 changed files with 11 additions and 12 deletions
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23
drivers/cpuidle/driver.c
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@ -13,7 +13,7 @@
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/cpuidle.h> #include <linux/cpuidle.h>
#include <linux/cpumask.h> #include <linux/cpumask.h>
#include <linux/clockchips.h> #include <linux/tick.h>
#include "cpuidle.h" #include "cpuidle.h"
@ -130,21 +130,20 @@ static inline void __cpuidle_unset_driver(struct cpuidle_driver *drv)
#endif #endif
/** /**
* cpuidle_setup_broadcast_timer - enable/disable the broadcast timer * cpuidle_setup_broadcast_timer - enable/disable the broadcast timer on a cpu
* @arg: a void pointer used to match the SMP cross call API * @arg: a void pointer used to match the SMP cross call API
* *
* @arg is used as a value of type 'long' with one of the two values: * If @arg is NULL broadcast is disabled otherwise enabled
* - CLOCK_EVT_NOTIFY_BROADCAST_ON
* - CLOCK_EVT_NOTIFY_BROADCAST_OFF
* *
* Set the broadcast timer notification for the current CPU. This function * This function is executed per CPU by an SMP cross call. It's not
* is executed per CPU by an SMP cross call. It not supposed to be called * supposed to be called directly.
* directly.
*/ */
static void cpuidle_setup_broadcast_timer(void *arg) static void cpuidle_setup_broadcast_timer(void *arg)
{ {
int cpu = smp_processor_id(); if (arg)
clockevents_notify((long)(arg), &cpu); tick_broadcast_enable();
else
tick_broadcast_disable();
} }
/** /**
@ -239,7 +238,7 @@ static int __cpuidle_register_driver(struct cpuidle_driver *drv)
if (drv->bctimer) if (drv->bctimer)
on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer, on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer,
(void *)CLOCK_EVT_NOTIFY_BROADCAST_ON, 1); (void *)1, 1);
poll_idle_init(drv); poll_idle_init(drv);
@ -263,7 +262,7 @@ static void __cpuidle_unregister_driver(struct cpuidle_driver *drv)
if (drv->bctimer) { if (drv->bctimer) {
drv->bctimer = 0; drv->bctimer = 0;
on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer, on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer,
(void *)CLOCK_EVT_NOTIFY_BROADCAST_OFF, 1); NULL, 1);
} }
__cpuidle_unset_driver(drv); __cpuidle_unset_driver(drv);