[PATCH v2 1/2] ARM: mvebu: Add support to get the ID and the revision of a SoC

Jason Gunthorpe jgunthorpe at obsidianresearch.com
Sun Jan 5 18:07:46 EST 2014


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



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