[PATCH v2 03/19] fdt: Add function to look up a phandle's register address

[Stephen Warren]

On 06/13/2012 10:19 AM, Simon Glass wrote:
> This is a commonly-used requirement, so add a function to support it
> easily.

Uggh. Why would this ever be needed; shouldn't the driver for the node
referenced by the phandle fully control its own registers; why would any
other driver randomly trample on them?