[PATCH 14/14] cpufreq: tegra: use cpufreq_generic_init() routine

[Viresh Kumar]

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

Along with that we are disabling clks in error cases and ->exit() routine.

Cc: Stephen Warren <swarren@xxxxxxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
 drivers/cpufreq/tegra-cpufreq.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c
index 3f25ab6..bc7c2a1 100644
--- a/drivers/cpufreq/tegra-cpufreq.c
+++ b/drivers/cpufreq/tegra-cpufreq.c
@@ -161,18 +161,21 @@ 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);
-
 	/* 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);
@@ -183,6 +186,7 @@ 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;
 }
-- 
1.7.12.rc2.18.g61b472e

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