cpufreq: tegra: use cpufreq_generic_init()

Use generic cpufreq_generic_init() routine instead of replicating the same code
here.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c
index 9c32b23322bdfbc35d7d3723a6e51cc2c2bf4ba8..32483ef63d5305c064a97ff5aa1280ed1203ff87 100644 (file)
--- a/drivers/cpufreq/tegra-cpufreq.c
+++ b/drivers/cpufreq/tegra-cpufreq.c
@@ -204,19 +204,23 @@ static struct notifier_block tegra_cpu_pm_notifier = {
 
 static int tegra_cpu_init(struct cpufreq_policy *policy)
 {
+       int ret;
+
        if (policy->cpu >= NUM_CPUS)
                return -EINVAL;
 
        clk_prepare_enable(emc_clk);
        clk_prepare_enable(cpu_clk);
 
-       cpufreq_table_validate_and_show(policy, freq_table);
        target_cpu_speed[policy->cpu] = tegra_getspeed(policy->cpu);
 
        /* FIXME: what's the actual transition time? */
-       policy->cpuinfo.transition_latency = 300 * 1000;
-
-       cpumask_copy(policy->cpus, cpu_possible_mask);
+       ret = cpufreq_generic_init(policy, freq_table, 300 * 1000);
+       if (ret) {
+               clk_disable_unprepare(cpu_clk);
+               clk_disable_unprepare(emc_clk);
+               return ret;
+       }
 
        if (policy->cpu == 0)
                register_pm_notifier(&tegra_cpu_pm_notifier);
@@ -227,6 +231,7 @@ static int tegra_cpu_init(struct cpufreq_policy *policy)
 static int tegra_cpu_exit(struct cpufreq_policy *policy)
 {
        cpufreq_frequency_table_put_attr(policy->cpu);
+       clk_disable_unprepare(cpu_clk);
        clk_disable_unprepare(emc_clk);
        return 0;
 }