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Commit 2ed4d587 authored by Maulik Shah's avatar Maulik Shah
Browse files

cpuidle: lpm-levels: Log cpu enter & exit events into lpm debug 



Add cpu enter and cpu exit log into lpm debug for 32bit.

Change-Id: I88973dbc4f9ffc08f8201059a82a3133fa0db330
Signed-off-by: default avatarMaulik Shah <mkshah@codeaurora.org>
parent 422bb915

drivers/cpuidle/lpm-levels.c

+20 −9
Original line number Diff line number Diff line
@@ -972,20 +972,31 @@ bool psci_enter_sleep(struct lpm_cluster *cluster, int idx, bool from_idle) 
#elif defined(CONFIG_ARM_PSCI)

bool psci_enter_sleep(struct lpm_cluster *cluster, int idx, bool from_idle)

{

	int affinity_level = 0;

	int state_id = get_cluster_id(cluster, &affinity_level);

	int power_state = PSCI_POWER_STATE(cluster->cpu->levels[idx].is_reset);



	affinity_level = PSCI_AFFINITY_LEVEL(affinity_level);

	if (!idx) {

		stop_critical_timings();

		wfi();

		start_critical_timings();

		return 1;

	}

	} else {

		int affinity_level = 0;

		int state_id = get_cluster_id(cluster, &affinity_level);

		int power_state =

			PSCI_POWER_STATE(cluster->cpu->levels[idx].is_reset);

		bool success = false;



		affinity_level = PSCI_AFFINITY_LEVEL(affinity_level);

		state_id |= (power_state | affinity_level

			| cluster->cpu->levels[idx].psci_id);



	return !cpu_suspend(state_id);

		update_debug_pc_event(CPU_ENTER, state_id,

						0xdeaffeed, 0xdeaffeed, true);

		stop_critical_timings();

		success = !cpu_suspend(state_id);

		start_critical_timings();

		update_debug_pc_event(CPU_EXIT, state_id,

						success, 0xdeaffeed, true);

		return success;

	}

}

#else

bool psci_enter_sleep(struct lpm_cluster *cluster, int idx, bool from_idle)