Re: [PATCH 2/2] of: dynamic: add overlay-allowed DT property

From: Alan Tull
Date: Mon Dec 04 2017 - 15:13:03 EST


On Mon, Dec 4, 2017 at 2:04 PM, Rob Herring <robh+dt@xxxxxxxxxx> wrote:
> On Mon, Dec 4, 2017 at 1:13 PM, Alan Tull <atull@xxxxxxxxxx> wrote:
>> Allow DT nodes to be marked as valid targets for DT
>> overlays by the added "overlay-allowed" property.
>
> Why do you need a property for this? I'm not all that keen on putting
> this policy into the DT. It can change over time in the kernel. For
> example, as we define use cases that work, then we can loosen
> restrictions in the kernel.

For FPGA regions, I don't need it. Yes, if the other patch is
accepted, I'm sure we will hear more from people who will need some
specific loosening. I was trying to anticipate that, but I don't have
a specific need.

Alan

>
> Rob