hwmon: (ibmpowernv) add a get_sensor_type() routine

It will help in adding different compatible properties, coming from a
new device tree layout for example.

Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c
index f691e18..07a8219 100644 (file)
--- a/drivers/hwmon/ibmpowernv.c
+++ b/drivers/hwmon/ibmpowernv.c
@@ -169,6 +169,17 @@ static int create_hwmon_attr_name(struct device *dev, enum sensors type,
        return 0;
 }
 
+static int get_sensor_type(struct device_node *np)
+{
+       enum sensors type;
+
+       for (type = 0; type < MAX_SENSOR_TYPE; type++) {
+               if (of_device_is_compatible(np, sensor_groups[type].compatible))
+                       return type;
+       }
+       return MAX_SENSOR_TYPE;
+}
+
 static int populate_attr_groups(struct platform_device *pdev)
 {
        struct platform_data *pdata = platform_get_drvdata(pdev);
@@ -181,12 +192,9 @@ static int populate_attr_groups(struct platform_device *pdev)
                if (np->name == NULL)
                        continue;
 
-               for (type = 0; type < MAX_SENSOR_TYPE; type++)
-                       if (of_device_is_compatible(np,
-                                       sensor_groups[type].compatible)) {
-                               sensor_groups[type].attr_count++;
-                               break;
-                       }
+               type = get_sensor_type(np);
+               if (type != MAX_SENSOR_TYPE)
+                       sensor_groups[type].attr_count++;
        }
 
        of_node_put(opal);
@@ -236,11 +244,7 @@ static int create_device_attrs(struct platform_device *pdev)
                if (np->name == NULL)
                        continue;
 
-               for (type = 0; type < MAX_SENSOR_TYPE; type++)
-                       if (of_device_is_compatible(np,
-                                       sensor_groups[type].compatible))
-                               break;
-
+               type = get_sensor_type(np);
                if (type == MAX_SENSOR_TYPE)
                        continue;