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Commit dd38c9d3 authored by Daniel Lezcano's avatar Daniel Lezcano Committed by Rafael J. Wysocki
Browse files

cpuidle: Remove time measurement in poll state 



The time measurement is already done in the cpuidle framework in the
'cpuidle_enter_state' function.

Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 3a4a267e

drivers/cpuidle/driver.c

+0 −11
Original line number Diff line number Diff line
@@ -182,10 +182,6 @@ static void __cpuidle_driver_init(struct cpuidle_driver *drv) 
static int poll_idle(struct cpuidle_device *dev,

		struct cpuidle_driver *drv, int index)

{

	ktime_t	t1, t2;

	s64 diff;



	t1 = ktime_get();

	local_irq_enable();

	if (!current_set_polling_and_test()) {

		while (!need_resched())
@@ -193,13 +189,6 @@ static int poll_idle(struct cpuidle_device *dev, 
	}

	current_clr_polling();



	t2 = ktime_get();

	diff = ktime_to_us(ktime_sub(t2, t1));

	if (diff > INT_MAX)

		diff = INT_MAX;



	dev->last_residency = (int) diff;



	return index;

}