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    Subject[PATCH 10/76] ARM: omap: Consolidate OMAP4 time keeping and irq enable
    Date
    From: Robert Lee <rob.lee@linaro.org>

    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>
    ---
    arch/arm/mach-omap2/cpuidle44xx.c | 21 +++------------------
    1 file changed, 3 insertions(+), 18 deletions(-)

    diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
    index 72e018b..f386cbe 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,
    --
    1.7.10.rc2.19.gfae9d


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