Re: ACPI vs DT at runtime

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On Mon, 05 May 2014 09:06:14 +0200, Alexander Holler <holler@xxxxxxxxxxxxx> wrote:
> Am 22.11.2013 13:00, schrieb Pantelis Antoniou:
> 
> > As one that's going to be dealing with this, please don't take the DTS
> > files from the kernel.
> >
> > If you do this, I can guarantee that within a year almost no ARM board using DT
> > will boot a mainline kernel.
> >
> > The reason is that vendors have enough trouble (and failing) tracking a single
> > tree, adding yet another will just end to the vendor trees as far as the eye can see.
> >
> > Maybe, maybe, EVMs from silicon vendors will still boot, but I doubt any other
> > customer board will work.
> 
> A bit late (I don't follow the ML (or what happens in the ARM world) 
> closely, but as I've recently read that ARM64 will go UEFI and ACPI, I 
> wonder what was the reasoning behind that decision.

ARM64 will include support for UEFI an ACPI, but U-Boot and DT are not
going away. Really the only market segment that will care about ACPI is
ARM servers. Nobody else (embedded, mobile) needs to worry about it.

g.

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