Re: [PATCH 1/2] edac: sifive: Add DT documentation for SiFive L2 cache Controller

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On Fri, Mar 29, 2019 at 3:24 PM Borislav Petkov <bp@xxxxxxxxx> wrote:
>
> On Fri, Mar 29, 2019 at 02:41:05PM -0500, Rob Herring wrote:
> > DT dictates aligning with what the h/w looks like which has little to
> > do with OS driver design.
>
> Ok, then, where does this goal for doing a driver or compilation unit
> per IP block come from?
>
> Because everytime an ARM EDAC driver pops up, we are having the same
> discussion.
>
> > I never said you should change EDAC and I outlined how things should
> > be handled if it is one driver.
>
> Ok, we will add that to the EDAC driver design document we're currently
> working on.
>
> > DT and OS subsystems are independent things. I can't tell you how to
> > design the subsystem and you can't dictate DT design (based on EDAC
> > design).
>
> I don't think I've ever intentionally or unintentionally dictated DT
> design - all I've opposed to is having multiple EDAC drivers on ARM.

No, but folks just extend 1 driver to mean 1 DT node because that's
easy and certainly the more common case.

Rob



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