On Sun, Feb 26, 2012 at 8:47 PM, Robert Lee <rob....@linaro.org> wrote:
> +/**
> + * cpuidle_enter_wrap - performing timekeeping and irq around enter function
> + * @dev: pointer to a valid cpuidle_device object
> + * @drv: pointer to a valid cpuidle_driver object
> + * @index: index of the target cpuidle state.
> + */
> +static inline int cpuidle_wrap_enter(struct cpuidle_device *dev,
> + struct cpuidle_driver *drv, int index,
> + int (*enter)(struct cpuidle_device *dev,
> + struct cpuidle_driver *drv, int
> index))
> +{
> + ktime_t time_start, time_end;
> + s64 diff;
> +
> + time_start = ktime_get();
> +
> + index = enter(dev, drv, index);
> +
> + time_end = ktime_get();
> +
> + local_irq_enable();
> +
> + diff = ktime_to_us(ktime_sub(time_end, time_start));
> + if (diff > INT_MAX)
> + diff = INT_MAX;
> +
> + dev->last_residency = (int) diff;
> +
> + return index;
> +}
Any reason that this code is in the header? Why not in cpuidle.c?
Regards,
Mike
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