cpufreq: ondemand: Rearrange od_dbs_timer() to avoid updating delay

Avoid extra checks in od_dbs_timer() by rearranging updates to the
local delay variable in it.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/cpufreq_ondemand.c

@@ -194,7 +194,7 @@ static unsigned int od_dbs_timer(struct cpufreq_policy *policy)
 	struct policy_dbs_info *policy_dbs = policy->governor_data;
 	struct dbs_data *dbs_data = policy_dbs->dbs_data;
 	struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info, policy->cpu);
-	int delay = 0, sample_type = dbs_info->sample_type;
+	int delay, sample_type = dbs_info->sample_type;
 
 	/* Common NORMAL_SAMPLE setup */
 	dbs_info->sample_type = OD_NORMAL_SAMPLE;
@@ -208,12 +208,11 @@ static unsigned int od_dbs_timer(struct cpufreq_policy *policy)
 			/* Setup timer for SUB_SAMPLE */
 			dbs_info->sample_type = OD_SUB_SAMPLE;
 			delay = dbs_info->freq_hi_jiffies;
-		}
-	}
-
-	if (!delay)
+		} else {
 			delay = delay_for_sampling_rate(dbs_data->sampling_rate
 							* dbs_info->rate_mult);
+		}
+	}
 
 	return delay;
 }