rk3368: thermal: sync form upstream for rockchip-thermal
[firefly-linux-kernel-4.4.55.git] / drivers / thermal / rcar_thermal.c
index 2cc5b6115e3e200d13955f8103b97a2ddf3c0514..8d7edd4c82285f2bce93fd811b013bb4f6a9a54a 100644 (file)
@@ -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;
@@ -419,12 +423,15 @@ static int rcar_thermal_probe(struct platform_device *pdev)
                priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
                if (!priv) {
                        dev_err(dev, "Could not allocate priv\n");
-                       return -ENOMEM;
+                       ret = -ENOMEM;
+                       goto error_unregister;
                }
 
                priv->base = devm_ioremap_resource(dev, res);
-               if (IS_ERR(priv->base))
-                       return PTR_ERR(priv->base);
+               if (IS_ERR(priv->base)) {
+                       ret = PTR_ERR(priv->base);
+                       goto error_unregister;
+               }
 
                priv->common = common;
                priv->id = i;
@@ -443,10 +450,10 @@ static int rcar_thermal_probe(struct platform_device *pdev)
                        goto error_unregister;
                }
 
-               list_move_tail(&priv->list, &common->head);
-
                if (rcar_has_irq_support(priv))
                        rcar_thermal_irq_enable(priv);
+
+               list_move_tail(&priv->list, &common->head);
        }
 
        platform_set_drvdata(pdev, common);
@@ -456,8 +463,14 @@ static int rcar_thermal_probe(struct platform_device *pdev)
        return 0;
 
 error_unregister:
-       rcar_thermal_for_each_priv(priv, common)
+       rcar_thermal_for_each_priv(priv, common) {
                thermal_zone_device_unregister(priv->zone);
+               if (rcar_has_irq_support(priv))
+                       rcar_thermal_irq_disable(priv);
+       }
+
+       pm_runtime_put_sync(dev);
+       pm_runtime_disable(dev);
 
        return ret;
 }
@@ -465,13 +478,20 @@ error_unregister:
 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)
+       rcar_thermal_for_each_priv(priv, common) {
                thermal_zone_device_unregister(priv->zone);
+               if (rcar_has_irq_support(priv))
+                       rcar_thermal_irq_disable(priv);
+       }
 
        platform_set_drvdata(pdev, NULL);
 
+       pm_runtime_put_sync(dev);
+       pm_runtime_disable(dev);
+
        return 0;
 }