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Commit 763cf29b authored by Maulik Shah's avatar Maulik Shah
Browse files

cpuidle: lpm-levels: Reorganize code to calculate next wakeup 



Add new inline function to calculate next wakeup.

Change-Id: Iaa17563597cf794966cc0e89159a1d8b257fa6dd
Signed-off-by: default avatarMaulik Shah <mkshah@codeaurora.org>
parent bc904ccd

drivers/cpuidle/lpm-levels.c

+17 −7
Original line number Diff line number Diff line
@@ -636,6 +636,21 @@ static inline bool lpm_disallowed(s64 sleep_us, int cpu, struct lpm_cpu *pm_cpu) 
	return false;

}



static void calculate_next_wakeup(uint32_t *next_wakeup_us,

				  uint32_t next_event_us,

				  uint32_t lvl_latency_us,

				  s64 sleep_us)

{

	if (!next_event_us)

		return;



	if (next_event_us < lvl_latency_us)

		return;



	if (next_event_us < sleep_us)

		*next_wakeup_us = next_event_us - lvl_latency_us;

}



static int cpu_power_select(struct cpuidle_device *dev,

		struct lpm_cpu *cpu)

{
@@ -672,13 +687,8 @@ static int cpu_power_select(struct cpuidle_device *dev, 
		if (latency_us < lvl_latency_us)

			break;



		if (next_event_us) {

			if (next_event_us < lvl_latency_us)

				break;



			if (next_event_us < sleep_us)

				next_wakeup_us = next_event_us - lvl_latency_us;

		}

		calculate_next_wakeup(&next_wakeup_us, next_event_us,

				      lvl_latency_us, sleep_us);



		if (!i && !cpu_isolated(dev->cpu)) {

			/*