Re: [PATCH 08/22] regulator: Change ab8500 match names to reflectDevice Tree

[Lee Jones]

On 11/06/12 11:36, Mark Brown wrote:
> On Mon, Jun 11, 2012 at 11:27:53AM +0100, Lee Jones wrote:
> > On 05/06/12 11:38, Mark Brown wrote:
>
> > > You're missing something - note what I say above about the direction the
> > > mapping is done in, and consider what happens if we've got two of the
> > > same PMIC down in a system.
>
> > I'm still not seeing how this would cause an issue. The only Device
> > Tree nodes which will be parsed are the ones which are specified by
> > a particular driver's compatible string, meaning that any other
> > nodes referencing similar regulator/supply names would be ignored.
>
> Suppose you have two devices of the same type with an array of name
> based regulators, meaning the nodes with constraints have to have a
> particular name in order to be matched to the regulator.  How would a
> consumer reference a node to specify a supply?

some-regulators {
    compatible = "protect_me_from_similarly_named_regulators";

    regulator_node_name_reg: regulator_node_name {
        <blah>
    };
};

[supply_name]-supply = <&regulator_node_name>;

--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
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Linaro.org â Open source software for ARM SoCs
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