thermal/drivers/hisi: Factor out the probe functions

The hi6220 and the hi3660 probe functions are doing almost the same
operations, they can share 90% of their code.

Factor out the probe functions by moving the common code in the common
probe function.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

drivers/thermal/hisi_thermal.c

@@ -391,16 +391,8 @@ static int hi6220_thermal_probe(struct hisi_thermal_data *data)
 {
 	struct platform_device *pdev = data->pdev;
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	int ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	data->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(data->regs)) {
-		dev_err(dev, "failed to get io address\n");
-		return PTR_ERR(data->regs);
-	}
-
 	data->clk = devm_clk_get(dev, "thermal_clk");
 	if (IS_ERR(data->clk)) {
 		ret = PTR_ERR(data->clk);
@@ -409,32 +401,13 @@ static int hi6220_thermal_probe(struct hisi_thermal_data *data)
 		return ret;
 	}
 
-	data->irq = platform_get_irq(pdev, 0);
-	if (data->irq < 0)
-		return data->irq;
-
 	data->sensor.id = HI6220_DEFAULT_SENSOR;
 
 	return 0;
 }
 
 static int hi3660_thermal_probe(struct hisi_thermal_data *data)
 {
-	struct platform_device *pdev = data->pdev;
-	struct device *dev = &pdev->dev;
-	struct resource *res;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	data->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(data->regs)) {
-		dev_err(dev, "failed to get io address\n");
-		return PTR_ERR(data->regs);
-	}
-
-	data->irq = platform_get_irq(pdev, 0);
-	if (data->irq < 0)
-		return data->irq;
-
 	data->sensor.id = HI3660_DEFAULT_SENSOR;
 
 	return 0;
@@ -553,6 +526,7 @@ static int hisi_thermal_probe(struct platform_device *pdev)
 {
 	struct hisi_thermal_data *data;
 	struct device *dev = &pdev->dev;
+	struct resource *res;
 	int ret;
 
 	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
@@ -564,6 +538,17 @@ static int hisi_thermal_probe(struct platform_device *pdev)
 	data->sensor.data = data;
 	data->ops = of_device_get_match_data(dev);
 
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	data->regs = devm_ioremap_resource(dev, res);
+	if (IS_ERR(data->regs)) {
+		dev_err(dev, "failed to get io address\n");
+		return PTR_ERR(data->regs);
+	}
+
+	data->irq = platform_get_irq(pdev, 0);
+	if (data->irq < 0)
+		return data->irq;
+
 	ret = data->ops->probe(data);
 	if (ret)
 		return ret;