From: Mike Chan <mike@android.com>
Date: Wed, 27 Jan 2010 01:06:47 +0000 (-0800)
Subject: [CPUFREQ] ondemand: Refactor frequency increase code
X-Git-Tag: v2.6.36-rc1~578^2~12
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=00e299fff3cc2745847b03eebcc9e9362db9366d;p=~emulex%2Finfiniband.git

[CPUFREQ] ondemand: Refactor frequency increase code

Make simpler to read and call.

*** v3 - Always call when powersave_bias is enabled.

Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Mike Chan <mike@android.com>
Signed-off-by: Dave Jones <davej@redhat.com>
---

diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index e1314212d8d..fecfcdda6dd 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -459,6 +459,17 @@ static struct attribute_group dbs_attr_group_old = {
 
 /************************** sysfs end ************************/
 
+static void dbs_freq_increase(struct cpufreq_policy *p, unsigned int freq)
+{
+	if (dbs_tuners_ins.powersave_bias)
+		freq = powersave_bias_target(p, freq, CPUFREQ_RELATION_H);
+	else if (p->cur == p->max)
+		return;
+
+	__cpufreq_driver_target(p, freq, dbs_tuners_ins.powersave_bias ?
+			CPUFREQ_RELATION_L : CPUFREQ_RELATION_H);
+}
+
 static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
 {
 	unsigned int max_load_freq;
@@ -551,19 +562,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
 
 	/* Check for frequency increase */
 	if (max_load_freq > dbs_tuners_ins.up_threshold * policy->cur) {
-		/* if we are already at full speed then break out early */
-		if (!dbs_tuners_ins.powersave_bias) {
-			if (policy->cur == policy->max)
-				return;
-
-			__cpufreq_driver_target(policy, policy->max,
-				CPUFREQ_RELATION_H);
-		} else {
-			int freq = powersave_bias_target(policy, policy->max,
-					CPUFREQ_RELATION_H);
-			__cpufreq_driver_target(policy, freq,
-				CPUFREQ_RELATION_L);
-		}
+		dbs_freq_increase(policy, policy->max);
 		return;
 	}