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[CPUFREQ] exynos4210: Show list of available frequencies 

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

Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: KyungMin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Donggeun Kim 2011-07-19 14:41:57 +09:00 committed by Dave Jones
parent 138c4ae9cf
commit 5beae3b9b6
1 changed files with 22 additions and 1 deletions
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23
drivers/cpufreq/exynos4210-cpufreq.c
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@ -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,