[9810] thermal: samsung: register cpu hotplug done notifier

Change-Id: Ibb5a6b9641cc4bed495085e105a71547acda8c70
Signed-off-by: Eunseok Choi <es10.choi@samsung.com>

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 2294d7cb2c46f30aaa2bebae4f476ae4598e49bb..6bd064771b3199eb23d2a8d7af90275bae577bdf 100644 (file)
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -43,6 +43,8 @@
 #include <linux/slab.h>
 #include <linux/debugfs.h>
 #include <linux/exynos-ss.h>
+#include <linux/soc/samsung/exynos-soc.h>
+#include <soc/samsung/exynos-cpu_hotplug.h>
 #include <soc/samsung/tmu.h>
 #include <soc/samsung/ect_parser.h>
 #ifdef CONFIG_EXYNOS_MCINFO
@@ -834,6 +836,26 @@ static struct notifier_block exynos_tmu_pm_notifier = {
 };
 #endif
 
+static int thermal_cpu_hotplug_handler(struct notifier_block *b, unsigned long val, void *v)
+{
+       struct thermal_zone_device *tz;
+       struct exynos_tmu_data *devnode;
+
+       list_for_each_entry(devnode, &dtm_dev_list, node) {
+               if (devnode->hotplug_enable) {
+                       tz = devnode->tzd;
+                       thermal_zone_device_update(tz, THERMAL_DEVICE_POWER_CAPABILITY_CHANGED);
+                       break;
+               }
+       }
+
+       return 0;
+}
+
+static struct notifier_block thermal_cpu_hotplug_notifier = {
+       .notifier_call = thermal_cpu_hotplug_handler,
+};
+
 static const struct of_device_id exynos_tmu_match[] = {
        { .compatible = "samsung,exynos9810-tmu", },
        { /* sentinel */ },
@@ -1379,10 +1401,12 @@ static int exynos_tmu_probe(struct platform_device *pdev)
         * data->tzd must be registered before calling exynos_tmu_initialize(),
         * requesting irq and calling exynos_tmu_control().
         */
-       if(data->hotplug_enable)
+       if (data->hotplug_enable) {
                pm_qos_add_request(&thermal_cpu_hotplug_request,
                                        PM_QOS_CPU_ONLINE_MAX,
                                        PM_QOS_CPU_ONLINE_MAX_DEFAULT_VALUE);
+               exynos_cpuhotplug_register_notifier(&thermal_cpu_hotplug_notifier, 0);
+       }
 
        data->tzd = thermal_zone_of_sensor_register(&pdev->dev, 0, data,
                                                    data->hotplug_enable ?