cpufreq: at32ap: Use generic cpufreq routines

Most of the CPUFreq drivers do similar things in .exit() and .verify() routines
and .attr. So its better if we have generic routines for them which can be used
by cpufreq drivers then.

This patch uses these generic routines in the at32ap driver.

Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/at32ap-cpufreq.c

@@ -24,16 +24,6 @@
 static struct clk *cpuclk;
 static struct cpufreq_frequency_table *freq_table;
 
-static int at32_verify_speed(struct cpufreq_policy *policy)
-{
-	if (policy->cpu != 0)
-		return -EINVAL;
-
-	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
-			policy->cpuinfo.max_freq);
-	return 0;
-}
-
 static unsigned int at32_get_speed(unsigned int cpu)
 {
 	/* No SMP support */
@@ -152,7 +142,7 @@ out_err:
 static struct cpufreq_driver at32_driver = {
 	.name		= "at32ap",
 	.init		= at32_cpufreq_driver_init,
-	.verify		= at32_verify_speed,
+	.verify		= cpufreq_generic_frequency_table_verify,
 	.target		= at32_set_target,
 	.get		= at32_get_speed,
 	.flags		= CPUFREQ_STICKY,