X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=drivers%2Fcpufreq%2Fcpufreq_stats.c;h=ca3f24c296a033c07417ef6d2acce1eef514d33d;hb=182a8c965462c2e97a02349d506eefef869fae21;hp=00d73fc8e4e2853d26d217761a2d2e40a2b22ead;hpb=e854df613fe934c94a0b39eccb4104e72ccbbded;p=android-x86%2Fkernel.git

diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index 00d73fc8e4e2..ca3f24c296a0 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -305,6 +305,27 @@ static int cpufreq_stat_notifier_trans(struct notifier_block *nb,
 	return 0;
 }
 
+static int cpufreq_stats_create_table_cpu(unsigned int cpu)
+{
+	struct cpufreq_policy *policy;
+	struct cpufreq_frequency_table *table;
+	int ret = -ENODEV;
+
+	policy = cpufreq_cpu_get(cpu);
+	if (!policy)
+		return -ENODEV;
+
+	table = cpufreq_frequency_get_table(cpu);
+	if (!table)
+		goto out;
+
+	ret = cpufreq_stats_create_table(policy, table);
+
+out:
+	cpufreq_cpu_put(policy);
+	return ret;
+}
+
 static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb,
 					       unsigned long action,
 					       void *hcpu)
@@ -316,10 +337,14 @@ static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb,
 	case CPU_ONLINE_FROZEN:
 		cpufreq_update_policy(cpu);
 		break;
-	case CPU_DEAD:
-	case CPU_DEAD_FROZEN:
+	case CPU_DOWN_PREPARE:
+	case CPU_DOWN_PREPARE_FROZEN:
 		cpufreq_stats_free_table(cpu);
 		break;
+	case CPU_DOWN_FAILED:
+	case CPU_DOWN_FAILED_FROZEN:
+		cpufreq_stats_create_table_cpu(cpu);
+		break;
 	}
 	return NOTIFY_OK;
 }
@@ -327,6 +352,7 @@ static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb,
 static struct notifier_block cpufreq_stat_cpu_notifier __refdata =
 {
 	.notifier_call = cpufreq_stat_cpu_callback,
+	.priority = 1,
 };
 
 static struct notifier_block notifier_policy_block = {