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    SubjectRe: [PATCH 2/2] regulator: Propagate uA_load requirements up supply chain
    On Mon, Mar 28, 2011 at 08:34:42AM -0700, David Collins wrote:
    > regulator_set_optimum_mode currently only determines the load
    > on the specified regulator. Physically however, this current
    > must be provided by regulators further up the supply chain.
    > Add code to handle uA_load propagation up through the regulator
    > supply chain.

    We can't do this - current doesn't map 1:1 through a regulator, the
    power consumption will map through but obviously there's a voltage
    change involved and the regulators will not be 100% efficient so there
    will also be some overhead from the chipld regulator. The child
    regulator needs to do the mapping in a regulator specific fashion.


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