linux-kernel - [PATCH v3 1/2] cpufreq: ondemand: Refactor frequency increase code

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Message-Id: <1264554408-20966-1-git-send-email-mike@android.com>
Date:	Tue, 26 Jan 2010 17:06:47 -0800
From:	Mike Chan <mike@...roid.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	Mike Chan <mike@...roid.com>, Dave Jones <davej@...hat.com>,
	Thomas Renninger <trenn@...e.de>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	Tejun Heo <tj@...nel.org>,
	Alexander Miller <Miller@....uni-stuttgart.de>,
	cpufreq@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/2] cpufreq: ondemand: Refactor frequency increase code

Make simpler to read and call.

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

Signed-off-by: Mike Chan <mike@...roid.com>
---
 drivers/cpufreq/cpufreq_ondemand.c |   25 ++++++++++++-------------
 1 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 4b34ade..516d0fe 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -443,6 +443,17 @@ 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;
@@ -520,19 +531,7 @@ 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;
 	}
 
-- 
1.6.6

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