ARM: omap: Consolidate OMAP4 time keeping and irq enable

Enable core cpuidle timekeeping and irq enabling and remove that
handling from this code.

Signed-off-by: Robert Lee <rob.lee@linaro.org>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index 72e018b9b260db422108f7d70084c7ae8d41ba2b..f386cbe9c889032668058731e56fb116af245436 100644 (file)
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -62,15 +62,9 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
 {
        struct omap4_idle_statedata *cx =
                        cpuidle_get_statedata(&dev->states_usage[index]);
-       struct timespec ts_preidle, ts_postidle, ts_idle;
        u32 cpu1_state;
-       int idle_time;
        int cpu_id = smp_processor_id();
 
-       /* Used to keep track of the total time in idle */
-       getnstimeofday(&ts_preidle);
-
-       local_irq_disable();
        local_fiq_disable();
 
        /*
@@ -128,26 +122,17 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
        if (index > 0)
                clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id);
 
-       getnstimeofday(&ts_postidle);
-       ts_idle = timespec_sub(ts_postidle, ts_preidle);
-
-       local_irq_enable();
        local_fiq_enable();
 
-       idle_time = ts_idle.tv_nsec / NSEC_PER_USEC + ts_idle.tv_sec * \
-                                                               USEC_PER_SEC;
-
-       /* Update cpuidle counters */
-       dev->last_residency = idle_time;
-
        return index;
 }
 
 DEFINE_PER_CPU(struct cpuidle_device, omap4_idle_dev);
 
 struct cpuidle_driver omap4_idle_driver = {
-       .name =         "omap4_idle",
-       .owner =        THIS_MODULE,
+       .name                           = "omap4_idle",
+       .owner                          = THIS_MODULE,
+       .en_core_tk_irqen               = 1,
 };
 
 static inline void _fill_cstate(struct cpuidle_driver *drv,