From: Finley Xiao <finley.xiao@rock-chips.com>
Date: Thu, 15 Dec 2016 11:54:07 +0000 (+0800)
Subject: cpufreq: dt: fix the warning when use opp_v1
X-Git-Tag: firefly_0821_release~1054
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=0d71879a760b65ae7ac7e07578ec747e4c9e3e4c;p=firefly-linux-kernel-4.4.55.git

cpufreq: dt: fix the warning when use opp_v1

Change-Id: I02c7a3cc68536b707baaa8a61f21ac4961184dda
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
---

diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index d5166b0f4576..37604c72c9b9 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -215,8 +215,10 @@ static int cpufreq_init(struct cpufreq_policy *policy)
 	} else {
 		cpumask_copy(&cpus, policy->cpus);
 		cpumask_clear_cpu(policy->cpu, &cpus);
-		if (dev_pm_opp_of_cpumask_add_table(&cpus))
-			dev_pm_opp_of_remove_table(cpu_dev);
+		if (!cpumask_empty(&cpus)) {
+			if (dev_pm_opp_of_cpumask_add_table(&cpus))
+				dev_pm_opp_of_remove_table(cpu_dev);
+		}
 	}
 #else
 	dev_pm_opp_of_cpumask_add_table(policy->cpus);