Re: [PATCH 2/2] [RFC] base: soc: Allow early registration of a single SoC device

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On Mon, Mar 13, 2017 at 1:46 PM, Geert Uytterhoeven
<geert@xxxxxxxxxxxxxx> wrote:
> On Mon, Mar 13, 2017 at 1:41 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>> On Thu, Mar 9, 2017 at 7:18 PM, Geert Uytterhoeven
>>
>> I'd prefer to not have to do the early registration at all and have fewer
>> special cases. Can you list a specific example that requires this?
>
> The specific example is the Renesas R-Car SYSC driver, which manages PM
> Domains and thus needs to be initialized from an early_initcall.

Ok, and what prevents us from using information in DT to detect which
variant we have? Is this a case of absolutely having to know the exact
hardware revision at the time of initialization, or is it just to simplify the
implementation of the SYSC driver?

     Arnd



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