linux-kernel - [PATCH 2/2] dt-bindings: net: add option to ignore local-mac-address

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Date: Fri, 17 May 2024 14:39:08 +0200
From: "Leon M. Busch-George" <leon@...rgemail.de>
To: linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	devicetree@...r.kernel.org,
	netdev@...r.kernel.org
Cc: Matthias Brugger <matthias.bgg@...il.com>
Subject: [PATCH 2/2] dt-bindings: net: add option to ignore local-mac-address

From: "Leon M. Busch-George" <leon@...rgemail.eu>

Add the option 'ignore-local-mac-address' to allow ignoring bogus
addresses. This restores the ability to correctly set the MAC address from
the device tree if a boot program stores a randomly generated address in
'local-mac-address'.

Signed-off-by: Leon M. Busch-George <leon@...rgemail.eu>
---
 .../devicetree/bindings/net/ethernet-controller.yaml        | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
index b2785b03139f..67b8437febdf 100644
--- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
@@ -23,6 +23,12 @@ properties:
     minItems: 6
     maxItems: 6
 
+  ignore-local-mac-address:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Indicates that 'local-mac-address' is to be ignored. This can
+      be useful when the boot program stores a bogus address.
+
   mac-address:
     description:
       Specifies the MAC address that was last used by the boot
-- 
2.44.0