drivers/thermal: don't check resource with devm_ioremap_resource

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>

4 files changed, 3 insertions, 26 deletions

diff --git a/drivers/thermal/dove_thermal.c b/drivers/thermal/dove_thermal.c
index 4b15a5f270dc..8bf104d8a649 100644
--- a/drivers/thermal/dove_thermal.c
+++ b/drivers/thermal/dove_thermal.c
@@ -134,25 +134,16 @@ static int dove_thermal_probe(struct platform_device *pdev)
         struct resource *res;
         int ret;
 
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res) {
-                dev_err(&pdev->dev, "Failed to get platform resource\n");
-                return -ENODEV;
-        }
-
         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
         if (!priv)
                 return -ENOMEM;
 
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         priv->sensor = devm_ioremap_resource(&pdev->dev, res);
         if (IS_ERR(priv->sensor))
                 return PTR_ERR(priv->sensor);
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-        if (!res) {
-                dev_err(&pdev->dev, "Failed to get platform resource\n");
-                return -ENODEV;
-        }
         priv->control = devm_ioremap_resource(&pdev->dev, res);
         if (IS_ERR(priv->control))
                 return PTR_ERR(priv->control);
diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c
index d20ce9e61403..788b1ddcac6c 100644
--- a/drivers/thermal/exynos_thermal.c
+++ b/drivers/thermal/exynos_thermal.c
@@ -925,11 +925,6 @@ static int exynos_tmu_probe(struct platform_device *pdev)
         INIT_WORK(&data->irq_work, exynos_tmu_work);
 
         data->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!data->mem) {
-                dev_err(&pdev->dev, "Failed to get platform resource\n");
-                return -ENOENT;
-        }
-
         data->base = devm_ioremap_resource(&pdev->dev, data->mem);
         if (IS_ERR(data->base))
                 return PTR_ERR(data->base);
diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c
index dfeceaffbc03..9e4d98eef17a 100644
--- a/drivers/thermal/kirkwood_thermal.c
+++ b/drivers/thermal/kirkwood_thermal.c
@@ -75,16 +75,11 @@ static int kirkwood_thermal_probe(struct platform_device *pdev)
         struct kirkwood_thermal_priv *priv;
         struct resource *res;
 
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res) {
-                dev_err(&pdev->dev, "Failed to get platform resource\n");
-                return -ENODEV;
-        }
-
         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
         if (!priv)
                 return -ENOMEM;
 
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         priv->sensor = devm_ioremap_resource(&pdev->dev, res);
         if (IS_ERR(priv->sensor))
                 return PTR_ERR(priv->sensor);
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 8d7edd4c8228..72f50bc0456c 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -389,11 +389,6 @@ static int rcar_thermal_probe(struct platform_device *pdev)
                  * platform has IRQ support.
                  * Then, drier use common register
                  */
-                res = platform_get_resource(pdev, IORESOURCE_MEM, mres++);
-                if (!res) {
-                        dev_err(dev, "Could not get platform resource\n");
-                        return -ENODEV;
-                }
 
                 ret = devm_request_irq(dev, irq->start, rcar_thermal_irq, 0,
                                        dev_name(dev), common);
@@ -405,6 +400,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
                 /*
                  * rcar_has_irq_support() will be enabled
                  */
+                res = platform_get_resource(pdev, IORESOURCE_MEM, mres++);
                 common->base = devm_ioremap_resource(dev, res);
                 if (IS_ERR(common->base))
                         return PTR_ERR(common->base);