---

yaml --- r: 343142 b: refs/heads/master c: 216f2b9 h: refs/heads/master v: v3
git-mirror · Nov 14, 2012 · 0c201ac · 0c201ac
1 parent 642e90e
commit 0c201ac
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Showing 3 changed files with 8 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f8a9f757cb425c4784b80b001c7a77c7810b499f
+refs/heads/master: 216f2b9c95ac6e4f00b08df807bc4454434a9afb
diff --git a/trunk/Documentation/devicetree/bindings/regulator/gpio-regulator.txt b/trunk/Documentation/devicetree/bindings/regulator/gpio-regulator.txt
@@ -2,11 +2,12 @@ GPIO controlled regulators
 
 Required properties:
 - compatible		: Must be "regulator-gpio".
+- states		: Selection of available voltages and GPIO configs.
+                          if there are no states, then use a fixed regulator
 
 Optional properties:
 - enable-gpio		: GPIO to use to enable/disable the regulator.
 - gpios			: GPIO group used to control voltage.
-- states		: Selection of available voltages and GPIO configs.
 - startup-delay-us	: Startup time in microseconds.
 - enable-active-high	: Polarity of GPIO is active high (default is low).
 

diff --git a/trunk/drivers/regulator/gpio-regulator.c b/trunk/drivers/regulator/gpio-regulator.c
@@ -183,6 +183,11 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np)
 
 	/* Fetch states. */
 	prop = of_find_property(np, "states", NULL);
+	if (!prop) {
+		dev_err(dev, "No 'states' property found\n");
+		return ERR_PTR(-EINVAL);
+	}
+
 	proplen = prop->length / sizeof(int);
 
 	config->states = devm_kzalloc(dev,