From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Subject: Re: [PATCH v2 1/2] ARM: mvebu: Add support to get the ID and the
 revision of a SoC
Date: Sun, 5 Jan 2014 16:07:46 -0700
Message-ID: <20140105230746.GB11280@obsidianresearch.com>
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To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
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On Sun, Jan 05, 2014 at 06:37:21PM +0100, Sebastian Hesselbarth wrote:

> If you mean clock-gated with "powered down", the code is safe. It
> enables the clock gate prior reading from the controller. Or is there
> another way to power down the controller, so you cannot read from the
> controller registers?

There is a clock gate and a power down on kirkwood at least, Linux has
no code for controlling the powerdown

In any event, I think processing a disabled DT node is not great..

Jason