[PATCH v2 3/6] ARM: psci: add devicetree binding for describing PSCI firmware

Will Deacon will.deacon at arm.com
Tue Dec 18 05:08:50 EST 2012


Hi Arnd,

On Mon, Dec 17, 2012 at 08:00:11PM +0000, Arnd Bergmann wrote:
> On Monday 17 December 2012, Will Deacon wrote:
> > +
> > + - function-base : The base ID from which the functions are offset.
> > +
> > +Main node optional properties:
> > +
> > + - cpu_suspend   : Offset of CPU_SUSPEND ID from function-base
> > +
> > + - cpu_off       : Offset of CPU_OFF ID from function-base
> > +
> > + - cpu_on        : Offset of CPU_ON ID from function-base
> > +
> > + - migrate       : Offset of MIGRATE ID from function-base
> 
> What is the benefit of the "function-base" property over just having
> 32 bit IDs for each function. For all I can tell, the interface does
> not rely on the numbers to be consecutive, so removing the function-base
> attribute would make the binding simpler as well as more flexible.

Sure, happy to change that for v3.

Will



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