[Ksummit-2012-discuss] [ATTEND] Complex dependencies in device model

Matthew Garrett mjg59 at srcf.ucam.org
Wed Jun 20 17:10:51 UTC 2012

On Wed, Jun 20, 2012 at 06:07:26PM +0100, David Woodhouse wrote:
> On Wed, 2012-06-20 at 18:02 +0100, Matthew Garrett wrote:
> > The issue is that FDT and ACPI are two mechanisms for providing the same 
> > data. If we have 64-bit ARM hardware that can be configurd with both 
> > then we'll end up with two sets of drivers - one using the FDT bindings, 
> > one using the ACPI bindings. We should consolidate those before landing 
> > an architecture that encourages this kind of divergence. 
> Don't Apple effectively put device-tree properties *into* ACPI, with a
> method to retrieve them?

Yup. We could just standardise on Apple's implementation.

Matthew Garrett | mjg59 at srcf.ucam.org

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