X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Fregulator%2Fgpio-regulator.c;h=c0a1d00b78c932a6982961334f9e3e9501592c50;hb=a2a2be6309285857bfbc66f83e164331828e93c2;hp=04406a918c041b5773adcf9adf331eadf289caf4;hpb=52f48bf33dff6ac261c77a1da6b9f6ab67509d37;p=linux-2.6-microblaze.git

diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 04406a918c04..c0a1d00b78c9 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -139,6 +139,7 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np)
 	struct property *prop;
 	const char *regtype;
 	int proplen, gpio, i;
+	int ret;
 
 	config = devm_kzalloc(dev,
 			sizeof(struct gpio_regulator_config),
@@ -202,12 +203,17 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np)
 	}
 	config->nr_states = i;
 
-	of_property_read_string(np, "regulator-type", &regtype);
-
-	if (!strncmp("voltage", regtype, 7))
-		config->type = REGULATOR_VOLTAGE;
-	else if (!strncmp("current", regtype, 7))
-		config->type = REGULATOR_CURRENT;
+	config->type = REGULATOR_VOLTAGE;
+	ret = of_property_read_string(np, "regulator-type", &regtype);
+	if (ret >= 0) {
+		if (!strncmp("voltage", regtype, 7))
+			config->type = REGULATOR_VOLTAGE;
+		else if (!strncmp("current", regtype, 7))
+			config->type = REGULATOR_CURRENT;
+		else
+			dev_warn(dev, "Unknown regulator-type '%s'\n",
+				 regtype);
+	}
 
 	return config;
 }