cpufreq: governors: Remove duplicate check of target freq in supported range

Function __cpufreq_driver_target() checks if target_freq is within
policy->min and policy->max range. generic_powersave_bias_target() also
checks if target_freq is valid via a cpufreq_frequency_table_target()
call. So, drop the unnecessary duplicate check in *_check_cpu().

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/cpufreq_conservative.c

@@ -67,8 +67,6 @@ static void cs_check_cpu(int cpu, unsigned int load)
 			return;
 
 		dbs_info->requested_freq += get_freq_target(cs_tuners, policy);
-		if (dbs_info->requested_freq > policy->max)
-			dbs_info->requested_freq = policy->max;
 
 		__cpufreq_driver_target(policy, dbs_info->requested_freq,
 			CPUFREQ_RELATION_H);
@@ -89,8 +87,6 @@ static void cs_check_cpu(int cpu, unsigned int load)
 			return;
 
 		dbs_info->requested_freq -= get_freq_target(cs_tuners, policy);
-		if (dbs_info->requested_freq < policy->min)
-			dbs_info->requested_freq = policy->min;
 
 		__cpufreq_driver_target(policy, dbs_info->requested_freq,
 				CPUFREQ_RELATION_L);

drivers/cpufreq/cpufreq_ondemand.c

@@ -177,9 +177,6 @@ static void od_check_cpu(int cpu, unsigned int load)
 		/* No longer fully busy, reset rate_mult */
 		dbs_info->rate_mult = 1;
 
-		if (freq_next < policy->min)
-			freq_next = policy->min;
-
 		if (!od_tuners->powersave_bias) {
 			__cpufreq_driver_target(policy, freq_next,
 					CPUFREQ_RELATION_L);