Merge "cpufreq: schedutil: Rectify comment in sugov_irq_work() function" into msm-4.9

	sg_policy = container_of(irq_work, struct sugov_policy, irq_work);

	/*

	 * For Real Time and Deadline tasks, schedutil governor shoots the

	 * frequency to maximum. And special care must be taken to ensure that

	 * this kthread doesn't result in that.

	 * For RT and deadline tasks, the schedutil governor shoots the

	 * frequency to maximum. Special care must be taken to ensure that this

	 * kthread doesn't result in the same behavior.

	 *

	 * This is (mostly) guaranteed by the work_in_progress flag. The flag is

	 * updated only at the end of the sugov_work() and before that schedutil

	 * rejects all other frequency scaling requests.

	 * updated only at the end of the sugov_work() function and before that

	 * the schedutil governor rejects all other frequency scaling requests.

	 *

	 * Though there is a very rare case where the RT thread yields right

	 * There is a very rare case though, where the RT thread yields right

	 * after the work_in_progress flag is cleared. The effects of that are

	 * neglected for now.

	 */