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>

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c
index 9c32b23322bd..32483ef63d53 100644
--- 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;
 }