[PATCH] regulator: fixed, gpio: dt: regulator-name is required property

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These two drivers fail to probe if no name is provided. For details see:
https://www.spinics.net/lists/kernel/msg2457515.html

Signed-off-by: Harald Geyer <harald@xxxxxxxxx>
---
 Documentation/devicetree/bindings/regulator/fixed-regulator.txt | 1 +
 Documentation/devicetree/bindings/regulator/gpio-regulator.txt  | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.txt b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt
index 4fae41d..0c2a6c8 100644
--- a/Documentation/devicetree/bindings/regulator/fixed-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt
@@ -2,6 +2,7 @@ Fixed Voltage regulators
 
 Required properties:
 - compatible: Must be "regulator-fixed";
+- regulator-name: Defined in regulator.txt as optional, but required here.
 
 Optional properties:
 - gpio: gpio to use for enable control
diff --git a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt
index dd1ed78..1f49615 100644
--- a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt
@@ -2,6 +2,8 @@ GPIO controlled regulators
 
 Required properties:
 - compatible		: Must be "regulator-gpio".
+- regulator-name	: Defined in regulator.txt as optional, but required
+			  here.
 - states		: Selection of available voltages and GPIO configs.
                           if there are no states, then use a fixed regulator
 
-- 
2.1.4

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