cpufreq: cpufreq-cpu0: use cpufreq_generic_init()

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

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

drivers/cpufreq/cpufreq-cpu0.c

@@ -122,24 +122,7 @@ post_notify:
 
 static int cpu0_cpufreq_init(struct cpufreq_policy *policy)
 {
-	int ret;
-
-	ret = cpufreq_table_validate_and_show(policy, freq_table);
-	if (ret) {
-		pr_err("invalid frequency table: %d\n", ret);
-		return ret;
-	}
-
-	policy->cpuinfo.transition_latency = transition_latency;
-
-	/*
-	 * The driver only supports the SMP configuartion where all processors
-	 * share the clock and voltage and clock.  Use cpufreq affected_cpus
-	 * interface to have all CPUs scaled together.
-	 */
-	cpumask_setall(policy->cpus);
-
-	return 0;
+	return cpufreq_generic_init(policy, freq_table, transition_latency);
 }
 
 static struct cpufreq_driver cpu0_cpufreq_driver = {