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cpuidle: Use explicit broadcast control function
authorThomas Gleixner <tglx@linutronix.de>
Fri, 3 Apr 2015 00:02:18 +0000 (02:02 +0200)
committerIngo Molnar <mingo@kernel.org>
Fri, 3 Apr 2015 06:44:32 +0000 (08:44 +0200)
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>
drivers/cpuidle/driver.c

index 2697e87..5db1478 100644 (file)
@@ -13,7 +13,7 @@
 #include <linux/sched.h>
 #include <linux/cpuidle.h>
 #include <linux/cpumask.h>
-#include <linux/clockchips.h>
+#include <linux/tick.h>
 
 #include "cpuidle.h"
 
@@ -130,21 +130,20 @@ static inline void __cpuidle_unset_driver(struct cpuidle_driver *drv)
 #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 is used as a value of type 'long' with one of the two values:
- * - CLOCK_EVT_NOTIFY_BROADCAST_ON
- * - CLOCK_EVT_NOTIFY_BROADCAST_OFF
+ * If @arg is NULL broadcast is disabled otherwise enabled
  *
- * Set the broadcast timer notification for the current CPU.  This function
- * is executed per CPU by an SMP cross call.  It not supposed to be called
- * directly.
+ * This function is executed per CPU by an SMP cross call.  It's not
+ * supposed to be called directly.
  */
 static void cpuidle_setup_broadcast_timer(void *arg)
 {
-       int cpu = smp_processor_id();
-       clockevents_notify((long)(arg), &cpu);
+       if (arg)
+               tick_broadcast_enable();
+       else
+               tick_broadcast_disable();
 }
 
 /**
@@ -239,7 +238,7 @@ static int __cpuidle_register_driver(struct cpuidle_driver *drv)
 
        if (drv->bctimer)
                on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer,
-                                (void *)CLOCK_EVT_NOTIFY_BROADCAST_ON, 1);
+                                (void *)1, 1);
 
        poll_idle_init(drv);
 
@@ -263,7 +262,7 @@ static void __cpuidle_unregister_driver(struct cpuidle_driver *drv)
        if (drv->bctimer) {
                drv->bctimer = 0;
                on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer,
-                                (void *)CLOCK_EVT_NOTIFY_BROADCAST_OFF, 1);
+                                NULL, 1);
        }
 
        __cpuidle_unset_driver(drv);