ab8500-bmdata: Re-jiggle bmdevs_of_probe to be more succinct
authorLee Jones <lee.jones@linaro.org>
Fri, 30 Nov 2012 09:16:40 +0000 (09:16 +0000)
committerLee Jones <lee.jones@linaro.org>
Tue, 11 Dec 2012 08:43:53 +0000 (08:43 +0000)
We can actually write bmdevs_of_probe to be easier to follow, use
less lines of code and we can even render a variable unused so
that we can remove it completely.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
drivers/power/ab8500_bmdata.c

index 2623b16..df5a590 100644 (file)
@@ -456,38 +456,29 @@ int __devinit bmdevs_of_probe(struct device *dev,
                              struct device_node *np,
                              struct abx500_bm_data **battery)
 {
-       struct abx500_battery_type *btype;
+       struct batres_vs_temp *tmp_batres_tbl;
        struct device_node *np_bat_supply;
        struct abx500_bm_data *bat;
        const char *btech;
-       int i, thermistor;
+       int i;
 
        *battery = &ab8500_bm_data;
 
        /* get phandle to 'battery-info' node */
        np_bat_supply = of_parse_phandle(np, "battery", 0);
        if (!np_bat_supply) {
-               dev_err(dev, "missing property battery\n");
+               dev_err(dev, "battery node or reference missing\n");
                return -EINVAL;
        }
 
-       if (of_property_read_bool(np_bat_supply, "thermistor-on-batctrl"))
-               thermistor = NTC_INTERNAL;
-       else
-               thermistor = NTC_EXTERNAL;
-
-       bat = *battery;
-       if (thermistor == NTC_EXTERNAL) {
-               bat->n_btypes  = 4;
-               bat->bat_type  = bat_type_ext_thermistor;
-               bat->adc_therm = ABx500_ADC_THERM_BATTEMP;
-       }
-
        btech = of_get_property(np_bat_supply, "stericsson,battery-type", NULL);
        if (!btech) {
                dev_warn(dev, "missing property battery-name/type\n");
                return -EINVAL;
        }
+
+       bat = *battery;
+
        if (strncmp(btech, "LION", 4) == 0) {
                bat->no_maintenance  = true;
                bat->chg_unknown_bat = true;
@@ -498,20 +489,22 @@ int __devinit bmdevs_of_probe(struct device *dev,
                bat->bat_type[BATTERY_UNKNOWN].normal_vol_lvl     = 4200;
        }
 
-       /* select the battery resolution table */
-       for (i = 0; i < bat->n_btypes; ++i) {
-               btype = (bat->bat_type + i);
-               if (thermistor == NTC_EXTERNAL) {
-                       btype->batres_tbl =
-                               temp_to_batres_tbl_ext_thermistor;
-               } else if (strncmp(btech, "LION", 4) == 0) {
-                       btype->batres_tbl =
-                               temp_to_batres_tbl_9100;
-               } else {
-                       btype->batres_tbl =
-                               temp_to_batres_tbl_thermistor;
-               }
+       if (of_property_read_bool(np_bat_supply, "thermistor-on-batctrl")) {
+               if (strncmp(btech, "LION", 4) == 0)
+                       tmp_batres_tbl = temp_to_batres_tbl_9100;
+               else
+                       tmp_batres_tbl = temp_to_batres_tbl_thermistor;
+       } else {
+               bat->n_btypes   = 4;
+               bat->bat_type   = bat_type_ext_thermistor;
+               bat->adc_therm  = ABx500_ADC_THERM_BATTEMP;
+               tmp_batres_tbl  = temp_to_batres_tbl_ext_thermistor;
        }
+
+       /* select the battery resolution table */
+       for (i = 0; i < bat->n_btypes; ++i)
+               bat->bat_type[i]->batres_tbl = tmp_batres_tbl;
+
        of_node_put(np_bat_supply);
 
        return 0;