From: Lukasz Luba <l.luba@partner.samsung.com>
Date: Tue, 6 Nov 2018 16:45:49 +0000 (+0100)
Subject: thermal: cpu_cooling: add function which copies cpumask
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=607269531345332461906823bc4f10cfee77ece5;p=platform%2Fkernel%2Flinux-exynos.git

thermal: cpu_cooling: add function which copies cpumask

The patch add fnction which provides information which CPUs
are pinned to the related cpufreq cooling device.

Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
---

diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 0360cdd0826b..f27f1636803c 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -755,6 +755,22 @@ bool cpufreq_cooling_test_related_cpu(struct thermal_cooling_device *cdev,
 }
 EXPORT_SYMBOL_GPL(cpufreq_cooling_test_related_cpu);
 
+void cpufreq_cooling_copy_cpumask(struct thermal_cooling_device *cdev,
+				  struct cpumask *dstmask)
+{
+	struct cpufreq_cooling_device *cpufreq_cdev;
+	struct cpufreq_policy *policy;
+
+	if (cdev && cdev->devdata) {
+		cpufreq_cdev = cdev->devdata;
+		if (cpufreq_cdev->policy) {
+			policy = cpufreq_cdev->policy;
+			cpumask_copy(dstmask, policy->related_cpus);
+		}
+	}
+}
+EXPORT_SYMBOL_GPL(cpufreq_cooling_copy_cpumask);
+
 /**
  * of_cpufreq_cooling_register - function to create cpufreq cooling device.
  * @policy: cpufreq policy
diff --git a/include/linux/cpu_cooling.h b/include/linux/cpu_cooling.h
index ea609f7bdf55..fee20e0a5fed 100644
--- a/include/linux/cpu_cooling.h
+++ b/include/linux/cpu_cooling.h
@@ -50,6 +50,9 @@ bool cpufreq_cooling_test_related_cpu(struct thermal_cooling_device *cdev,
 struct cpumask
 *cpufreq_cooling_get_related_cpumask(struct thermal_cooling_device *cdev);
 
+void cpufreq_cooling_copy_cpumask(struct thermal_cooling_device *cdev,
+				  struct cpumask *dstmask);
+
 #else /* !CONFIG_CPU_THERMAL */
 static inline struct thermal_cooling_device *
 cpufreq_cooling_register(struct cpufreq_policy *policy)
@@ -75,6 +78,9 @@ struct cpumask
 {
 	return NULL;
 }
+
+void cpufreq_cooling_copy_cpumask(struct thermal_cooling_device *cdev,
+				  struct cpumask *dstmask) {}
 #endif	/* CONFIG_CPU_THERMAL */
 
 #if defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL)