Commit fd06a208 authored by Tomasz Figa's avatar Tomasz Figa Committed by Rafael J. Wysocki
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cpufreq: exynos: Broadcast frequency change notifications for all cores 



On Exynos SoCs all cores share the same frequency setting, so changing
frequency of one core will affect rest of cores.

This patch modifies the exynos-cpufreq driver to inform cpufreq core
about this behavior and broadcast frequency change notifications for all
cores.

Signed-off-by: default avatarTomasz Figa <t.figa@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent c0e61cb1

drivers/cpufreq/exynos-cpufreq.c

+5 −2
Original line number Diff line number Diff line
@@ -100,6 +100,7 @@ static int exynos_target(struct cpufreq_policy *policy, 
	}

	arm_volt = volt_table[index];



	for_each_cpu(freqs.cpu, policy->cpus)

		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);



	/* When the new frequency is higher than current frequency */
@@ -115,6 +116,7 @@ static int exynos_target(struct cpufreq_policy *policy, 
	if (freqs.new != freqs.old)

		exynos_info->set_freq(old_index, index);



	for_each_cpu(freqs.cpu, policy->cpus)

		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);



	/* When the new frequency is lower than current frequency */
@@ -235,6 +237,7 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy) 
		cpumask_copy(policy->related_cpus, cpu_possible_mask);

		cpumask_copy(policy->cpus, cpu_online_mask);

	} else {

		policy->shared_type = CPUFREQ_SHARED_TYPE_ANY;

		cpumask_setall(policy->cpus);

	}