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

[Arnd Bergmann <arnd@xxxxxxxx>]

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.

        Arnd

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