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Commit 4275b227 authored by Maulik Shah's avatar Maulik Shah Committed by Maulik Shah
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lpm-levels: Correctly log failure to enter LPM 



Log idle exit as failure to enter LPM in the events that
cpu needs to be rescheduled for another task. Return
best level selected.

Change-Id: I25a444682a8f8c9060f426c03e2f183f86d2fa3a
Signed-off-by: default avatarMaulik Shah <mkshah@codeaurora.org>
parent 1d9aee75

drivers/cpuidle/lpm-levels.c

+3 −7
Original line number Diff line number Diff line
@@ -601,16 +601,14 @@ static int cpu_power_select(struct cpuidle_device *dev, 
	uint32_t *max_residency = get_per_cpu_max_residency(dev->cpu);



	if ((sleep_disabled && !cpu_isolated(dev->cpu)) || sleep_us < 0)

		return 0;

		return best_level;



	idx_restrict = cpu->nlevels + 1;



	next_event_us = (uint32_t)(ktime_to_us(get_next_event_time(dev->cpu)));



	if (is_cpu_biased(dev->cpu)) {

		best_level = 0;

	if (is_cpu_biased(dev->cpu))

		goto done_select;

	}



	for (i = 0; i < cpu->nlevels; i++) {

		struct lpm_cpu_level *level = &cpu->levels[i];
@@ -1342,15 +1340,13 @@ static int lpm_cpuidle_enter(struct cpuidle_device *dev, 
		struct cpuidle_driver *drv, int idx)

{

	struct lpm_cpu *cpu = per_cpu(cpu_lpm, dev->cpu);

	bool success = true;

	bool success = false;

	const struct cpumask *cpumask = get_cpu_mask(dev->cpu);

	int64_t start_time = ktime_to_ns(ktime_get()), end_time;

	struct power_params *pwr_params;



	pwr_params = &cpu->levels[idx].pwr;



	pwr_params = &cpu->levels[idx].pwr;



	cpu_prepare(cpu, idx, true);

	cluster_prepare(cpu->parent, cpumask, idx, true, start_time);