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SubjectRe: RFC: Platform data for onboard USB assets
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On Fri, 2011-03-18 at 21:06 +0100, Arnd Bergmann wrote:
>
> In a perfect world, we would need neither the device tree nor
> any platform data at all, because we'd be able to ask the hardware
> or the fictionary correct firmware about what the properties
> of the hardware are. This works to a surprisingly large extent
> on server hardware, but much less so on typical embedded systems.

Properties of the HW per-se but also binding information, ie, what is
connected to what outside of the main bus path (think clock/power
control etc...). Even server / desktop is affected here, and nobody sane
thinks ACPI is a -good- solution here tho it works mostly on x86 :-)

Cheers,
Ben.




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