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

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Date:	Tue, 17 May 2016 13:34:34 -0500
From:	Dan Murphy <dmurphy@...com>
To:	David Miller <davem@...emloft.net>, <agraf@...e.de>
CC:	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<michal.simek@...inx.com>, <andrew@...n.ch>
Subject: Re: [PATCH v2 2/2] phy dp83867: Make rgmii parameters optional

David

On 05/17/2016 01:22 PM, David Miller wrote:
> 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.

This patch should not have been applied.

I did not believe the implementation was proper for that driver.

It seems my objection to the code was not seen.  Nor was Andrew's point about the DT bindings document

https://patchwork.kernel.org/patch/9105371/

Dan

-- 
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Dan Murphy