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Are > there cases where we might want to access this? For example, could some > firmware *not* firewall this in some use-case, and would we want to use > this for error reporting in such cases? Given that this has changed once, it has hard to say definitively whether it might ever change again. I think keeping it around in a disabled state is reasonable. I also find it typical that most things in the soc.dtsi are disabled by default such that they are enabled as needed by upper layers.