thermal: samsung: Support boost ctrl callback.

Change-Id: I2e50e85b9194456cf406e910ec75a9a5323bfa99
Signed-off-by: Hyeonseong Gil <hs.gil@samsung.com>

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 93350b81a70faa5d36e00b8d66c737973df8c2b1..40cf135b53977dbdf9e94af8bb71cd5474666140 100644 (file)
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -43,6 +43,7 @@
 #include <linux/slab.h>
 #include <linux/debugfs.h>
 #include <linux/debug-snapshot.h>
+#include <linux/cpuhotplug.h>
 #include <soc/samsung/tmu.h>
 #include <soc/samsung/ect_parser.h>
 #ifdef CONFIG_EXYNOS_MCINFO
@@ -1088,6 +1089,22 @@ static struct notifier_block exynos_tmu_pm_notifier = {
 };
 #endif
 
+static int exynos_tmu_boost_callback(unsigned int cpu)
+{
+       struct thermal_zone_device *tz;
+       struct exynos_tmu_data *devnode;
+
+       list_for_each_entry(devnode, &dtm_dev_list, node) {
+               if (devnode->id == 0) {
+                       tz = devnode->tzd;
+                       thermal_zone_device_update(tz, THERMAL_DEVICE_POWER_CAPABILITY_CHANGED);
+                       break;
+               }
+       }
+
+       return 0;
+}
+
 static const struct of_device_id exynos_tmu_match[] = {
        { .compatible = "samsung,exynos9810-tmu", },
        { .compatible = "samsung,exynos9610-tmu", },
@@ -1719,12 +1736,15 @@ static int exynos_tmu_probe(struct platform_device *pdev)
        num_of_devices++;
        mutex_unlock(&data->lock);
 
-       if (list_is_singular(&dtm_dev_list))
+       if (list_is_singular(&dtm_dev_list)) {
 #ifdef CONFIG_EXYNOS_ACPM_THERMAL
                exynos_acpm_tmu_set_init(&cap);
 #else
                register_pm_notifier(&exynos_tmu_pm_notifier);
 #endif
+               cpuhp_setup_state_nocalls(CPUHP_EXYNOS_BOOST_CTRL_POST, "dtm_boost_cb",
+                               exynos_tmu_boost_callback, exynos_tmu_boost_callback);
+       }
 
        if (!IS_ERR(data->tzd))
                data->tzd->ops->set_mode(data->tzd, THERMAL_DEVICE_ENABLED);