From 89e6992285b4274996b39cd953c0adb5e95a3236 Mon Sep 17 00:00:00 2001 From: Donggeun Kim Date: Tue, 19 Jul 2011 14:41:57 +0900 Subject: mach-exynos: cpufreq: Show list of available frequencies This patch enables 'scaling_available_frequencies' attribute showing list of available frequencies. Change-Id: I9b6ad786ffaaba8ad6fe5aa9045fd793c095b5ae --- arch/arm/mach-exynos/cpufreq.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos/cpufreq.c b/arch/arm/mach-exynos/cpufreq.c index cdfec03..b592651 100644 --- a/arch/arm/mach-exynos/cpufreq.c +++ b/arch/arm/mach-exynos/cpufreq.c @@ -709,6 +709,8 @@ static struct notifier_block exynos_cpufreq_policy_notifier = { static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy) { + int ret; + policy->cur = policy->min = policy->max = exynos_getspeed(policy->cpu); cpufreq_frequency_table_get_attr(exynos_info->freq_table, policy->cpu); @@ -729,9 +731,26 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy) cpumask_setall(policy->cpus); } - return cpufreq_frequency_table_cpuinfo(policy, exynos_info->freq_table); + ret = cpufreq_frequency_table_cpuinfo(policy, exynos_info->freq_table); + if (ret) + return ret; + + cpufreq_frequency_table_get_attr(exynos_info->freq_table, policy->cpu); + + return 0; +} + +static int exynos_cpufreq_cpu_exit(struct cpufreq_policy *policy) +{ + cpufreq_frequency_table_put_attr(policy->cpu); + return 0; } +static struct freq_attr *exynos_cpufreq_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + NULL, +}; + static int exynos_cpufreq_reboot_notifier_call(struct notifier_block *this, unsigned long code, void *_cmd) { @@ -755,7 +774,9 @@ static struct cpufreq_driver exynos_driver = { .target = exynos_target, .get = exynos_getspeed, .init = exynos_cpufreq_cpu_init, + .exit = exynos_cpufreq_cpu_exit, .name = "exynos_cpufreq", + .attr = exynos_cpufreq_attr, #ifdef CONFIG_PM .suspend = exynos_cpufreq_suspend, .resume = exynos_cpufreq_resume, -- cgit v1.1