linux-kernel - Re: [PATCH v2 2/2] phy dp83867: Make rgmii parameters optional

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Message-Id: <20160517.142224.1322153249705614542.davem@davemloft.net>
Date:	Tue, 17 May 2016 14:22:24 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	agraf@...e.de
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	michal.simek@...inx.com, dmurphy@...com, andrew@...n.ch
Subject: Re: [PATCH v2 2/2] phy dp83867: Make rgmii parameters optional

From: Alexander Graf <agraf@...e.de>
Date: Mon, 16 May 2016 20:52:43 +0200

> If you compile without OF_MDIO support in an RGMII configuration, we fail
> to configure the dp83867 phy today by writing garbage into its configuration
> registers.
> 
> On the other hand if you do compile with OF_MDIO and the phy gets loaded via
> device tree, you have to have the properties set in the device tree, otherwise
> we fail to load the driver and don't even attach the generic phy driver to
> the interface anymore.
> 
> To make things slightly more consistent, make the rgmii configuration properties
> optional and allow a user to omit them in their device tree.
> 
> Signed-off-by: Alexander Graf <agraf@...e.de>

Applied.