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| author | Robert Lee <rob.lee@linaro.org> | 2012-03-20 15:22:47 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-03-21 02:01:08 -0400 |
| commit | d13e9261ac026f90cccac1e6de3978fb18d4af7b (patch) | |
| tree | 84c8e65dcc390fdef03ae6f13d2fb506269aa662 /arch | |
| parent | 6da45dce3ce4a1f1f2548c9ad9954d57ab0625b3 (diff) | |
| download | linux-stable-d13e9261ac026f90cccac1e6de3978fb18d4af7b.tar.gz linux-stable-d13e9261ac026f90cccac1e6de3978fb18d4af7b.tar.bz2 linux-stable-d13e9261ac026f90cccac1e6de3978fb18d4af7b.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap2/cpuidle44xx.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index 72e018b9b260..f386cbe9c889 100644 --- 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, |