linux-kernel - [PATCH v5 2/7] binding: Make "mdio-parent-bus" property from mandatory to optional

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Message-Id: <1465536831-13023-3-git-send-email-pramod.kumar@broadcom.com>
Date:	Fri, 10 Jun 2016 11:03:46 +0530
From:	Pramod Kumar <pramod.kumar@...adcom.com>
To:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Kishon Vijay Abraham I <kishon@...com>,
	"David S. Miller" <davem@...emloft.net>
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Pramod Kumar <pramod.kumar@...adcom.com>
Subject: [PATCH v5 2/7] binding: Make "mdio-parent-bus" property from mandatory to optional

Change "mdio-parent-bus" from mandatory section to optional
as it won't be required by integrated MDIO multiplexer
which has bus selection and mdio transaction generation logic,
integrated inside.

Signed-off-by: Pramod Kumar <pramod.kumar@...adcom.com>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
Acked-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/net/mdio-mux.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/mdio-mux.txt b/Documentation/devicetree/bindings/net/mdio-mux.txt
index 491f5bd..f58571f 100644
--- a/Documentation/devicetree/bindings/net/mdio-mux.txt
+++ b/Documentation/devicetree/bindings/net/mdio-mux.txt
@@ -5,11 +5,12 @@ numbered uniquely in a device dependent manner.  The nodes for an MDIO
 bus multiplexer/switch will have one child node for each child bus.
 
 Required properties:
-- mdio-parent-bus : phandle to the parent MDIO bus.
 - #address-cells = <1>;
 - #size-cells = <0>;
 
 Optional properties:
+- mdio-parent-bus : phandle to the parent MDIO bus.
+
 - Other properties specific to the multiplexer/switch hardware.
 
 Required properties for child nodes:
-- 
1.9.1