thermal: rcar: add pm_runtime_xxx() support

Current rcar_thermal() didn't care about own power.
Without this patch, rcar_thermal doesn't work on APE6 board

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 4d6095b9f9df..8d7edd4c8228 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -24,6 +24,7 @@
 #include <linux/io.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/reboot.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
@@ -377,6 +378,9 @@ static int rcar_thermal_probe(struct platform_device *pdev)
         spin_lock_init(&common->lock);
         common->dev = dev;
 
+        pm_runtime_enable(dev);
+        pm_runtime_get_sync(dev);
+
         irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
         if (irq) {
                 int ret;
@@ -465,12 +469,16 @@ error_unregister:
                         rcar_thermal_irq_disable(priv);
         }
 
+        pm_runtime_put_sync(dev);
+        pm_runtime_disable(dev);
+
         return ret;
 }
 
 static int rcar_thermal_remove(struct platform_device *pdev)
 {
         struct rcar_thermal_common *common = platform_get_drvdata(pdev);
+        struct device *dev = &pdev->dev;
         struct rcar_thermal_priv *priv;
 
         rcar_thermal_for_each_priv(priv, common) {
@@ -481,6 +489,9 @@ static int rcar_thermal_remove(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, NULL);
 
+        pm_runtime_put_sync(dev);
+        pm_runtime_disable(dev);
+
         return 0;
 }