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

drivers/cpufreq/longhaul.c

@@ -625,12 +625,6 @@ static void longhaul_setup_voltagescaling(void)
 }
 
 
-static int longhaul_verify(struct cpufreq_policy *policy)
-{
-	return cpufreq_frequency_table_verify(policy, longhaul_table);
-}
-
-
 static int longhaul_target(struct cpufreq_policy *policy,
 			    unsigned int target_freq, unsigned int relation)
 {
@@ -924,25 +918,14 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy)
 	return cpufreq_table_validate_and_show(policy, longhaul_table);
 }
 
-static int longhaul_cpu_exit(struct cpufreq_policy *policy)
-{
-	cpufreq_frequency_table_put_attr(policy->cpu);
-	return 0;
-}
-
-static struct freq_attr *longhaul_attr[] = {
-	&cpufreq_freq_attr_scaling_available_freqs,
-	NULL,
-};
-
 static struct cpufreq_driver longhaul_driver = {
-	.verify	= longhaul_verify,
+	.verify	= cpufreq_generic_frequency_table_verify,
 	.target	= longhaul_target,
 	.get	= longhaul_get,
 	.init	= longhaul_cpu_init,
-	.exit	= longhaul_cpu_exit,
+	.exit	= cpufreq_generic_exit,
 	.name	= "longhaul",
-	.attr	= longhaul_attr,
+	.attr	= cpufreq_generic_attr,
 };
 
 static const struct x86_cpu_id longhaul_id[] = {