regulator: gpio: Don't require a regulator-type property

Since essentially all GPIO controlled regulators are voltage regulators
make the regulator-type property optional, defaulting to voltage.

Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index bcd827c..cdb9d94 100644 (file)
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -203,17 +203,15 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np)
        }
        config->nr_states = i;
 
+       config->type = REGULATOR_VOLTAGE;
        ret = of_property_read_string(np, "regulator-type", &regtype);
-       if (ret < 0) {
-               dev_err(dev, "Missing 'regulator-type' property\n");
-               return ERR_PTR(-EINVAL);
+       if (ret >= 0) {
+               if (!strncmp("voltage", regtype, 7))
+                       config->type = REGULATOR_VOLTAGE;
+               else if (!strncmp("current", regtype, 7))
+                       config->type = REGULATOR_CURRENT;
        }
 
-       if (!strncmp("voltage", regtype, 7))
-               config->type = REGULATOR_VOLTAGE;
-       else if (!strncmp("current", regtype, 7))
-               config->type = REGULATOR_CURRENT;
-
        return config;
 }