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Commit 5beae3b9 authored by Donggeun Kim's avatar Donggeun Kim Committed by Dave Jones
Browse files

[CPUFREQ] exynos4210: Show list of available frequencies 



This patch enables 'scaling_available_frequencies' attribute
showing list of available frequencies.

Signed-off-by: default avatarDonggeun Kim <dg77.kim@samsung.com>
Signed-off-by: default avatarMyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: default avatarKyungMin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent 138c4ae9

drivers/cpufreq/exynos4210-cpufreq.c

+22 −1
Original line number Diff line number Diff line
@@ -464,6 +464,8 @@ static int exynos4_cpufreq_resume(struct cpufreq_policy *policy) 


static int exynos4_cpufreq_cpu_init(struct cpufreq_policy *policy)

{

	int ret;



	policy->cur = policy->min = policy->max = exynos4_getspeed(policy->cpu);



	cpufreq_frequency_table_get_attr(exynos4_freq_table, policy->cpu);
@@ -479,16 +481,35 @@ static int exynos4_cpufreq_cpu_init(struct cpufreq_policy *policy) 
	 */

	cpumask_setall(policy->cpus);



	return cpufreq_frequency_table_cpuinfo(policy, exynos4_freq_table);

	ret = cpufreq_frequency_table_cpuinfo(policy, exynos4_freq_table);

	if (ret)

		return ret;



	cpufreq_frequency_table_get_attr(exynos4_freq_table, policy->cpu);



	return 0;

}



static int exynos4_cpufreq_cpu_exit(struct cpufreq_policy *policy)

{

	cpufreq_frequency_table_put_attr(policy->cpu);

	return 0;

}



static struct freq_attr *exynos4_cpufreq_attr[] = {

	&cpufreq_freq_attr_scaling_available_freqs,

	NULL,

};



static struct cpufreq_driver exynos4_driver = {

	.flags		= CPUFREQ_STICKY,

	.verify		= exynos4_verify_speed,

	.target		= exynos4_target,

	.get		= exynos4_getspeed,

	.init		= exynos4_cpufreq_cpu_init,

	.exit		= exynos4_cpufreq_cpu_exit,

	.name		= "exynos4_cpufreq",

	.attr		= exynos4_cpufreq_attr,

#ifdef CONFIG_PM

	.suspend	= exynos4_cpufreq_suspend,

	.resume		= exynos4_cpufreq_resume,